• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A vehicle frame structure for a saddle vehicle in which a rear frame supporting a saddle is formed of a fiber reinforced resin and connected to a front frame supporting a motor so as to extend rearward from the front frame, the rear frame (13) by connecting a pair of left and right side walls (42), an upper cross piece (43, 44) connecting upper parts of the two side walls (42) and a lower cross piece (45), which lower parts of the two side walls (42) connects, is formed. This allows a back frame to be made with increased productivity while avoiding low efficiency.
    公开号:AT517927A1
    申请号:T9475/2013
    申请日:2013-09-05
    公开日:2017-05-15
    发明作者:Matsushima Satoshi
    申请人:Honda Motor Co Ltd；
    IPC主号:
    专利说明:

    DESCRIPTION
    TITLE OF DESCRIPTION: CHASSIS ASSEMBLY FOR A VEHICLE WITH SADDLE
    FIELD OF TECHNOLOGY
    The present invention relates to a chassis structure for a vehicle with a saddle, in which a rear frame, which carries a saddle, is formed of a fiber-reinforced resin and is hinged to a front frame, which carries a motor, wherein it moves from the Front frame extends to the rear.
    STATE OF THE ART
    A rear frame made of a fiber-reinforced resin and formed to have a pair of left and right side walls and a bottom wall connecting integral and lower portions of the side walls is known from Patent Document 1.
    ART RELATED DOCUMENTS TO THE PRIOR ART PATENT DOCUMENTS
    Patent Document Dl: International Published Patent Application WO 2012/090848 A1
    SUMMARY OF THE INVENTION PROBLEMS TO BE SOLVED WITH THE INVENTION
    However, when a back frame is integrally molded using a fiber-reinforced resin as disclosed in Patent Document 1 above, the one-piece leads
    Forming a rear frame of large size and complicated shape to low efficiency and does not make it possible to reduce costs.
    The present invention has been made in light of the above circumstances, and one of its objects is to provide a vehicle frame structure for a saddle vehicle which allows a rear frame to be produced from a fiber-reinforced resin with increased productivity, with a small amount Efficiency is avoided.
    MEANS OF SOLVING THE PROBLEMS
    In order to achieve the above object, according to a first aspect of the present invention, there is provided a vehicle frame structure for a saddle vehicle in which a rear frame supports a saddle and is made of a fiber reinforced resin and connected to a front frame including a motor carries, so that it extends from the front frame to the rear, wherein it is characterized in that the rear frame has a pair of left and right side walls, an upper cross piece which is formed separately from the side walls and connects upper portions of the two side walls, as well a lower crosspiece formed separately from the sidewalls and connecting lower portions of the two sidewalls, the sidewall shaped to integrally have a side plate portion forming a side surface of the vehicle body, a flat, plate-shaped upper projecting edge portion extending along one if extending end of the lateral flat portion and projecting inwardly from the upper end and a flat, plate-shaped lower protruding edge portion, extends along a lower end of the side plate portion and projects inwardly from the lower end, wherein an end portion of the upper cross-piece with the upper protruding edge portion in the height direction one above the other lying and an end portion of the lower crosspiece is connected to the lower protruding edge portion in the height direction one above the other.
    Further, according to a second aspect of the present invention, in addition to the first aspect, the upper protruding edge portion and the upper cross piece are connected to each other via a first rivet with an adhesive therebetween, and the lower protruding edge portion and the lower edge
    Crosspiece are connected to each other via a second rivet, wherein an adhesive is arranged between them.
    According to a third aspect of the present invention, in addition to the first or second aspect, a first attachment portion for attachment to the front frame at a front upper portion of the side plate portion is provided, and a second attachment portion at a front, side and bottom portion of the lateral Plate portion is provided for attachment to the front frame, wherein the upper projecting edge portion from a position corresponding to the first attachment portion to a position which is connected to the upper crosspiece, continuously and the lower projecting edge portion from a position which the second attachment portion corresponds to a position which is connected to the lower crosspiece, runs continuously.
    According to a fourth aspect of the present invention, in addition to any one of the first to third aspects, an opening is formed in the side plate portion, wherein a projecting edge portion of the opening projects inwardly from a peripheral edge of the opening and is integral with the side plate portion , and the opening is disposed in an intermediate position between the pair of front and rear upper crosspieces in the longitudinal extent of the vehicle.
    According to a fifth aspect of the present invention, in addition to any one of the first to fourth aspects, the pair of left and right side walls is arranged so that a gap between the front portions of the side walls widens downward and an air cleaner housing of an air filter between the Front portions of the two side walls is arranged.
    According to a sixth aspect of the present invention, in addition to any one of the first, second, fourth and fifth aspects, along a plane which obliquely crosses the vehicle transverse direction, a fixing member is integrally formed with a front, side and bottom portion of the side wall and the fastening part is fastened to the front frame.
    According to a seventh aspect of the present invention, in addition to any of the first to sixth aspects, a front and a rear pair of the upper cross pieces are provided between upper portions of the pair of left and right side walls, so that the saddle through the upper cross pieces and the upper protruding edge portion is supported between the upper cross pieces.
    According to an eighth aspect of the present invention, in addition to the seventh aspect, moreover, the lower crosspiece is disposed below the upper crosspiece, which is the rear of the pair of the front and rear upper crosspieces, the lower crosspiece and a muffler supporting pot web are firmly connected to each other and secured to the lower edge of the projecting edge portion.
    RESULTS OF THE INVENTION
    In accordance with the first aspect of the invention, since the rear frame is formed by connecting the pair of left and right side walls to the upper cross piece and the lower cross piece, which are separate from the side wall, it is possible to reduce the dimensions of the Side wall of the upper crosspiece and the lower crosspiece, which form the rear frame, and thus to reduce the productivity and the output and in particular, although the side wall and the upper and the lower crosspiece have different expansion directions, these parts with different directions of extension as separate parts This allows the size of a manufacturing mold and a production line to be reduced. Further, since the upper parts of the side walls are connected by the upper crosspiece and the lower parts of the side walls are connected by the lower crosspiece, it is possible to reliably suppress any broadening between the pair of left and right side walls.
    Further, with the side wall, the side plate portion, the upper protruding edge portion protruding inwardly from the upper end of the side plate portion, and the lower protruding edge portion projecting inwardly from the lower end of the side plate portion are integral, it is possible to increase the rigidity of the side wall.
    Further, since the upper crosspiece is connected to the upper projecting edge portion and the lower crosspiece is connected to the lower projecting edge portion, portions where the side wall is connected to the upper and lower cross pieces are not exposed on the side surface of the vehicle body and it is possible to improve the appearance while avoiding a foot of a driver touching them.
    According to the fourth aspect of the present invention, since the opening is formed in the side plate portion having a relatively large area and the projecting edge portion of the opening is integrally formed with the side plate portion, it is possible in accordance with the fourth aspect of the present invention On the one hand to increase the strength of the side wall and on the other hand to improve the appearance.
    According to the fifth aspect of the present invention, since the gap between the front parts of the side walls increases downward and the air cleaner housing is disposed between the front parts of the two side walls, it is possible in accordance with the fifth aspect of the present invention To increase the capacity of the air filter housing, thereby avoiding widening of the supported by the upper part of the rear frame saddle.
    Since, according to the sixth aspect of the present invention, the fixing portion, which integrally with the front lower part of the side wall along the plane which crosses the width of the vehicle, integrally formed on the
    Before the frame is fixed, even if the side wall is thin, it is possible to increase the resistance torque of the attachment part in the vehicle transverse direction, thereby increasing the rigidity of its portion attached to the front frame. Further, since the attachment portion, which follows the plane crossing the vehicle width, is formed at the front side lower part of the side wall having a large gap between the left side walls, it is possible to have any influence on the width of the saddle or to avoid an easy putting off of a foot on the ground.
    According to the seventh aspect of the present invention, since the saddle is supported by the pair of the front and rear upper cross pieces and the upper projecting edge portion between the upper cross pieces, it is possible to well support the saddle.
    Further, according to the eighth aspect of the present invention, the lower crosspiece is disposed below the upper crosspiece, which is disposed adjacent to the upper cross pieces which form a front and rear pair at the rear side and the pot web and the lower cross piece to each other and connected to the lower projecting edge portion, it is possible to ensure the strength of the rear frame by arranging the upper and lower cross pieces at positions in which a load due to the vibrations of the muffler through the pot web, which the muffler holds, be introduced.
    BRIEF DESCRIPTION OF THE DRAWINGS
    [0022] FIG. 1] FIG. 1 is a side view of an essential part of a two-wheeled motor vehicle (first embodiment) [FIG. 2] FIG. 2 is a side view of a rear frame in a state in which an air cleaner case is mounted (first embodiment) [FIG. 3] FIG. 3 is a perspective view with the rear frame seen obliquely from the front (first embodiment) [FIG. 4] FIG. 4 is a perspective view with the rear frame seen obliquely from behind (first embodiment) [FIG. 5] FIG. 5 is a view of the rear frame as seen from the direction of the arrow 5 in FIG. 2, in a state in which the air cleaner case is mounted (first embodiment) [FIG. 6] FIG. FIG. 6 is a cross-section to the left of line 6-6 in FIG. 2 (first embodiment) [FIG. 7] FIG. 7 is a cross-sectional view taken along line 7-7 in FIG. 2 (first embodiment)
    [FIG. 8] FIG. 8 is a cross-sectional view taken along line 8-8 in FIG. 1 (first embodiment) [FIG. 9] FIG. 9 is a cross-sectional view taken along line 9--9 in FIG. 2 (first embodiment) [FIG. 10] FIG. 10 is a cross-sectional view taken along line 10-10 in FIG. 2 (first embodiment) [FIG. 11] FIG. 11 is a cross-sectional view taken along line 11-11 in FIG. 5 (first embodiment) EXPLANATION OF REFERENCE SIGNS AND SYMBOLS
    11 saddle, seat 12 front frame 13 rear frame 36 muffler 38 air filter 42 side wall 42a lateral plate portion 42b upper projecting edge portion 42c lower projecting edge portion 42d projecting edge portion of the opening 43,44 upper crosspiece 45 lower cross member 46 opening 49 pot web 63 mounting portion 81 air filter housing E engine
    MODE FOR CARRYING OUT THE INVENTION
    An embodiment of the present invention is described below with reference to the attached FIG. 1 to FIG. 11 explained. In the explanation below, front and rear, left and right, and top and bottom are directions seen by a person driving a two-wheeled motor vehicle.
    FIRST EMBODIMENT
    Referring now to Figure 1, the saddle vehicle is a two-wheeled motor vehicle for motorcross competitions. Its vehicle body frame F includes a front frame 12 which carries a drive unit P which applies force to drive a rear wheel WR which is a driven wheel and a rear frame 13 which supports a saddle 11, the rear frame 13 being formed of a fiber-reinforced resin is and is connected to the front frame 12, from which it extends to the rear.
    The front frame 12 includes a head pipe 16 which steerably supports a front fork 14 which carries an axially supported front wheel WF and rod-shaped links 15, a pair of left and right main frames 17 extending from the head pipe 16 down to the end a lower frame 18 extending downwardly and rearwardly from the head frame 16 at a steeper angle than the main frames 17, a pair of left and right lower frames 19 provided so as to abut a lower end portion of the lower Frame 18 are connected and extend rearwardly and a pair of left and right swing frame 20, the upper end portions are connected to rear end portions of the main frame 17, and extending downwardly, wherein rear end portions of the two lower frame 19 at their lower end portions are provided connected.
    Of the front frame 12, a power unit P is carried, which includes a motor E, and a motor main body 21 of the motor E is mounted on the front frame 12, so that it is disposed in an area which of the main frame 17, the lower Frame 18, the lower frame 19 and the swing frame 20, as seen from the side, is surrounded.
    An axle 25 of the rear wheel WR is supported axially on a rear end portion of a swing arm 26 which extends in the longitudinal direction and a front end portion of the swing arm 26 is supported on a lower portion of the swing frame 20 by means of a support shaft 27, so that he can pan vertically. Between the lower portion of the swing frame 20 and the swing arm 26, a link mechanism 28 is provided.
    Within a crankcase 22, which forms part of the engine base 21, there is a transmission (not shown), which together with the engine E forms the power unit P, wherein an output shaft 29 of the transmission protrudes left from the crankcase 22 and a Endless chain 32 is wound around a provided on the output shaft 29 drive sprocket 30 and a driven sprocket 31 is provided on the axis 25 of the rear wheel WR.
    Further, a fuel tank 33 is provided on the two main frames 17 above the engine body 21 and the saddle 11 is disposed behind the fuel tank 33 so as to be supported by the rear frame 13.
    An exhaust system 34 connected to a front side wall of a cylinder head 23 which forms part of the engine body 21 has a pair of left and right exhaust pipes 35 connected to the cylinder head 23 and extending rearward of the engine body 21 at the rear which are connected to a pair of left and right mufflers 36, which are arranged in the transverse direction of the vehicle on opposite sides of the rear wheel WR and which are each connected to the exhaust pipes 35.
    Further, an air intake device 37 which is connected to a rear side wall of the cylinder head 23, an air filter 38, of which a part of the
    Rear frame 13 is formed, a throttle body 39, whose upstream end is connected to the air filter 38 and an air inlet pipe 40, which forms a connection between the throttle body 39 and the cylinder head 23.
    It is now additionally shown in FIG. 2 to FIG. Referring to Figure 5, the rear frame 13, which is formed of a fiber reinforced resin, for example, a carbon fiber reinforced resin, is formed by connecting a pair of left and right side walls 42, first and second top cross pieces 43 and 44, from the side walls 42 are separated and connect upper parts of the two side walls 42 and a lower cross piece 45, which is separate from the side walls 42 and connects lower parts of the two side walls 42 formed.
    The side wall 42 is formed so as to integrally have a side plate portion 42a forming a side surface of the vehicle body, a flat plate-shaped upper projecting edge portion 42b extending along an upper end of the side plate portion 42a and from the upper one End projects inwardly and a flat, plate-shaped lower projecting edge portion 42c, which extends along a lower end of the side plate portion 42a and protrudes inwardly from the lower end. Further, an opening 46 is formed in the side plate portion 42a, and there is provided a protruding edge portion 46d of the opening, which extends inwardly from the peripheral edge of the opening 46 and is integral with the side plate portion 42a. Further, the opening 46 is disposed in a central portion between the pair of front and rear upper cross pieces 43 and 44 in the longitudinal direction of the vehicle.
    The first and second upper cross pieces 43 and 44, which form a front and rear pair, are provided between the upper portions of the pair of left and right side walls 42, so that they the saddle 11 by means of the upper cross pieces 43 and 44 and of the upper projecting edge portion 42b between the upper cross pieces 43 and 44 bear.
    According to FIG. 6, opposite end portions of the first upper cross piece 43 are connected to the upper projecting edge portion 42b of the side wall 42 so as to be vertically superposed. That is, along the transverse direction of the vehicle, an end portion of the first upper cross piece 43 is disposed on the upper protruding edge portion 42b of the side wall 42 with an adhesive therebetween, with a washer 47 abutting a lower surface of the upper protruding edge portion 42b and the upper protruding one Edge portion 42b and the end portion of the first upper cross piece 43 by means of a plurality, for example two, rivets 48 are connected. In this arrangement, the end portion of the first upper cross piece 43 in the vehicle transverse direction does not project outwardly from the side plate portion 42a of the side wall 42.
    Further, the second upper cross piece 44, which is located farther back from the first and second upper cross pieces 43 and 44, is connected to the upper projecting edge portion 42b via the same structure as that structure over which the first upper cross piece 43 is connected to the upper projecting edge portion 42b so as to be vertically stacked.
    The lower crosspiece 45 is further disposed below the second upper crosspiece 44 and opposite portions of the lower crosspiece 45 are secured to the downwardly projecting edge portion 42c of the side wall 42, together with a metallic pot web 49, which carries the muffler 36 , are screwed on.
    An end portion, seen in the transverse direction of the vehicle, the lower crosspiece 45 abuts against the lower projecting edge portion 42c of the side wall 42, with an adhesive (not shown) interposed therebetween. The pot web 49 has in one piece: a flat, plate-shaped mounting plate piece 49a, which rests on the end portion of the lower crosspiece 45 with an adhesive therebetween (not shown), a flat, plate-shaped, vertical plate piece 49b, which at the outer end, in the transverse direction of Vehicle, the mounting plate piece 49 a is provided and connected so that it extends below the lower projecting edge portion 42 c and through a slot 50 which is provided in the end portion of the lower crosspiece 45 and the lower projecting edge portion 42 c, a horizontal plate portion 49 c, the is provided at the lower end of the vertical plate portion 49b and extends outward in the transverse direction of the vehicle below the lower projecting edge portion 42c, a holding plate portion 49d extending from the vehicle-widthwise outer end of the horizontal plate portion extending downward, a muffler-supporting boss portion 49e provided on the holding plate portion 49d so as to support the muffler 36, and a cover-supporting boss portion 49f provided on the holding plate portion 49d so as to be adjacent to and in front of the muffler-supporting boss part 49e, to support a rear portion of a pot cover 51 which covers the muffler 36 from above; a washer 52 abutting on the underside of the lower projecting edge portion 42c, the lower protruding edge portion 42c, the end portion of the lower cross piece 45 and the mounting plate piece 49a of the pot web 49 being connected by a plurality of, for example, three rivets 53 so as to be lie vertically one above the other.
    Referring to FIG. 1, a mounting plate 54 provided on the muffler 36 is fixed to the pot supporting boss portion 49e by means of a bolt 55. Further, a rear portion of the muffler cover 51 is fixed to the pot supporting boss portion 49f by means of a bolt 56.
    In a state in which the first and second upper cross pieces 43 and 44 and the lower cross piece 45 are connected to the pair of left and right side walls 42, as described above, the pair of left and right side walls 42 is so arranged as shown clearly in FIG. 5, the gap between the front portions of the side walls 42 becomes larger downward.
    First and second retaining webs 20a and 20b are provided integrally with the swing frame 20 of the front frame 12; the first holding land 20a is mounted on an upper portion of the swing frame 20 and protrudes toward the rear frame 13, the second holding land 20b being provided in an intermediate portion in the vertical direction of the swing arm 20 and projecting toward the rear frame 13.
    For attachment to the first retaining web 20 a, a first fastening portion 59 is formed with a through hole 58 at a front, side and upper portion of the side plate portion 42 a of the side wall 42 of the rear frame 13, wherein a bolt 57 is inserted through the first through hole 58.
    For attachment to the second retaining web 20b further, as shown in FIG. 8, a second fixing portion 63 having a second through-hole 62 integrally formed with front, side and lower portions of the side plate portion 42a of the side wall 42 so as to follow a plane intersecting the vehicle in the transverse direction, i. a plane which crosses a vertical surface PL transversely and extends in the transverse direction of the vehicle, this at an angle α of, for example, 45 °, wherein a bolt 61 is inserted through the second through-hole 62. In addition, a front portion of the muffler cover 51 is also fixed to the second support bar 20 b by means of a bolt 64. Thus, the upper projected edge portion 42b extends continuously from a position corresponding to the first attachment portion 59 to a position connected to the upper cross pieces 43 and 44, and the lower projecting edge portion 42c continuously extends from a position corresponding to the second Attachment portion 63 corresponds to a position which is connected to the lower crosspiece 45.
    Referring to FIG. 2 and FIG. 5, an air cleaner housing 66 is mounted to the rear frame 13, which in cooperation with the rear frame 13 and the saddle 11, which is supported by the rear frame 13, an impure chamber 65 of the air filter 38 forms.
    This air cleaner housing 66 integrally has a bottom wall portion 66a extending between the lower portions of the left and right side walls 42, a pair of left and right side edge plate portions 66b slightly upward along an inner surface of the side wall 42 from opposite And a partition wall portion 66c which is connected to front end portions of the bottom wall portion 66a and the side edge portion 66b, extending in the vertical direction so that its left and right ends against inner surfaces of the pair from left and right side walls 42. The impure chamber 65 is formed at the rear of the partition wall portion 66c.
    According to FIG. 9, a step portion 66d facing downward is formed on an intermediate portion of the side edge plate portion 66b and this
    Step portion 66d is placed at the lower projecting edge portion of the side wall 42.
    According to FIG. 10, a rear end portion of the side edge plate portion 66b is fixed to the side plate portion 42a of the side wall 42 together with a front portion of a rear fender 69 covering the rear wheel WR from above. The front portion of the rear fender 69 is arranged so that a rear end portion of the side edge plate portion 66 b is embedded between it and an inner surface of the side plate portion 42 a, wherein a collar nut 71 with a collar portion 71 a, which abuts against the rear fender 69, through the rear fender 69, the side edge plate portion 66b and the side plate portion 42a and a bolt 70 is screwed into the collar nut 71, with a washer 72, disposed between the bolt 70 and an outer surface of the side plate portion 72a.
    Further, at a rear end portion of the side plate portion 42 a of the side wall 42, a projection 74 is provided for a bolt 73 to screw it to set the rear fender 69 into it, with two places left and right of the rear fender 69 at the rear Frame 13 are supported.
    According to FIG. 11, a clip nut 75 abutting a lower surface of the first upper cross piece 43 is attached to two transversely spaced locations of an upper portion of the partition wall portion 66c of the air cleaner housing 66 and a screw member 76 having a washer 77 interposed therebetween the first upper cross piece 43 is screwed into the clip nut 75.
    Nim on FIG. 2 and 5, an opening 78 is formed in the partition wall portion 66c of the air cleaner housing 66, and three support frame portions 66e extending from a plurality of locations of the peripheral edge of the opening 78 toward the impure chamber 65 are formed integrally with the partition wall portion 66c and protrusions of the support frame portions 66e are provided to be fastened together to a single mounting tube portion 66f.
    The Stützrahmenabsdmitt 66e and the mounting tube portion 66f are covered by a bag-shaped cleaning member 79 which is provided on the side of the impure chamber 65, and this cleaning element 79 is mounted by means of a bolt 80 on the mounting tube portion 66f.
    An air filter box 81, into which the air filtered by the cleaning member 79 is guided, is mounted on the partition wall portion 66c, this air filter box 61 being interposed between the front portions of both side walls 42 of the rear frame 13. Now, FIG Function of this embodiment explains: Since the rear frame 13 made of a fiber-reinforced resin is formed by the pair of left and right side walls 42, the first and second upper cross pieces 43 and 44 formed separately from the side walls 42 and the upper portions the two side walls 42 connect and the lower cross piece 45, which is formed separately from the side walls 42 and connect the lower parts of the two side winches 42 connected, it is possible, the size of the side wall 42, the first and second upper cross pieces 43 and 44 and the lower crosspiece 45, which form the rear frame 13, and d in addition to increase productivity and improve efficiency, in particular, although the side wall 42 and the first upper cross pieces 43 and 44 and the lower cross piece 45 have different extending directions, these parts having different extending directions are formed as separate parts, so that thereby the size of a production mold and a production line can be reduced. Further, since the upper portions of the side walls 42 are connected by the first and second upper cross pieces 43 and 44 and the lower portions of the side walls 42 are connected by the lower cross pieces 45, it is possible to reliably detect any widening between the pair of left and right right side walls 42 to suppress.
    Further, since the side wall 42 is formed to integrally have the side plate portion 42a forming the side wall of the vehicle body, the upper projecting edge portion 42b extends inwardly from the upper end of the side plate portion 42a and the lower projecting edge portion 42c extends inwardly from the lower end of the side plate portion 42a, it is possible to increase the strength of the side wall 42.
    In addition, since the first and second upper cross pieces 43 and 44 are connected to the upper projecting edge portion 42b and the lower cross piece 45 is connected to the lower projecting edge portion 42c, are portions where the side wall 42 is connected to the upper cross piece 43 Namely, the second upper cross piece 44 and the lower cross piece 45 are not exposed on the side surface of the vehicle body and it is possible to improve the appearance while preventing the user's foot from striking.
    Further, since the opening 46 is formed in the side plate portion 42a having a relatively large area, and the projecting edge portion 42d of the opening projects inwardly from the peripheral edge of the opening 46 and is integrally provided with the side plate portion 42a increase the strength of the side wall 42 while improving the appearance.
    Further, since the pair of left and right side walls 42 is arranged so that the gap between the front portions of the side walls 42 becomes larger toward the bottom and the air filter box 81 of the air cleaner 38 is interposed between the front portions of the two side walls 42 It is possible to increase the content of the air filter box 81 while avoiding widening of the saddle 11 carried by the upper portion of the rear frame 13.
    Further, since the second attachment portion 63 which follows the vehicle transverse direction obliquely crossing plane is formed integrally with the front, side and bottom portions of the side wall 42 and the second attachment portion 63 is fixed to the front frame 12, it is possible though the side wall is thin to increase the resistance moment of the second attachment part 63 in the transverse direction of the vehicle, thereby increasing the rigidity of its portion attached to the front frame 12. In addition, since the second attachment portion 63, which follows the plane crossing the width of the vehicle, is formed at the front lateral lower part of the side wall 42 having a large gap between the left and right side walls 42, it is possible to have any Influence on the width of the saddle 11 or on a slight stop of the foot on the ground to avoid. In addition, since the saddle 11 is supported by the pair of the front and rear upper cross pieces 43 and 44 and the upper protruding edge portion 42b of the side wall 42 between the upper cross pieces 43 and 44, it is possible to well support the saddle.
    Further, since the lower crosspiece 45 is disposed below the second upper crosspiece 44, which is disposed at the rear side in addition to the first and second upper cross pieces 43 and 44, which form a front and rear pair, and the pot web 49, the carries the muffler 36 and the lower cross piece 45 fixed to each other and connected to the lower projecting edge portion 42 c, it is possible to ensure the strength of the rear frame 13 by arranging the first upper cross piece 44 and the lower cross piece 45 at positions which is a load due to the vibrations of the muffler 36 through the pot web 49, which holds the muffler 36 is introduced.
    An embodiment of the present invention has been explained above, but the present invention is not limited to the above embodiment and can be modified in a variety of ways as long as the changes do not depart from their spirit and scope.
    权利要求:
    Claims (8)
    [1]
    New claims
    A chassis structure for a saddle vehicle in which a rear frame (13) supports a saddle (11) and is formed of a fiber reinforced resin and connected to a front frame (12) supporting a motor (E), such that it extends rearwardly from the front frame (12), characterized in that the rear frame (13) has a pair of left and right side walls (42), an upper cross piece (43, 44) formed separately from the side walls (42) and connecting upper portions of the two side walls (42), and having a lower crosspiece (45) formed separately from the side walls and connecting lower portions of the two side walls (42), the side wall (42) being shaped to be integral has a side plate portion (42a) forming a side surface of the vehicle body, a flat plate-shaped upper protruding edge portion (42b) extending along an upper end of the side plate portion (4) 2a) and projects inwardly from the upper end, and a flat plate-shaped lower protruding edge portion (42c) extends along a lower end of the side plate portion (42a) and projects inwardly from the lower end, and a flat, plate-shaped lower portion protruding edge portion (42c) extends along a lower end of the side plate portion (42a) and protrudes inwardly from the lower end, wherein an end portion of the upper cross piece (43,44) is connected to the upper protruding edge portion (42b) in the height direction superimposed and an end portion of the lower crosspiece (45) is connected to the lower projecting edge portion (42c) vertically one above the other.
    [2]
    A chassis structure for a saddle vehicle according to claim 1, characterized in that said upper protruding edge portion (42b) and said upper cross piece (43, 44) are connected to each other via a first rivet (48) with an adhesive therebetween and the lower protruding edge portion (42c) and the lower cross piece (45) are connected to each other via a second rivet (53) with an adhesive disposed therebetween.
    [3]
    A chassis structure for a saddle vehicle according to claim 1 or 2, characterized in that a first attachment portion (59) for attachment to the front frame (12) is provided at a front upper portion of the side plate portion (42a), and a second attachment portion (63) is provided at a front, side and bottom portion of the side plate portion (42a) for fixing to the front frame (12), wherein the lower projecting edge portion (42b) from a position corresponding to the first attachment portion (59) up to a position, which is connected to the upper crosspiece (43,44), continuous, and the lower projecting edge portion (42c) from a position corresponding to the second mounting portion (63) to a position with the lower crosspiece (42) 45) is connected, runs continuously.
    [4]
    A chassis structure for a saddle vehicle according to claim 1 or 2, characterized in that an opening (46) is formed in the side plate portion (42a), a projecting edge portion (42d) of the opening being formed by a peripheral edge of the opening (46). protrudes inwardly and is integral with the side panel portion (42) and the opening (46) is located in an intermediate position between the pair of front and rear upper cross pieces (43,44) in the longitudinal extent of the vehicle.
    [5]
    A chassis structure for a saddle vehicle according to any one of claims 1, 2 and 4, characterized in that the pair of left and right side walls (42) are arranged so that a gap between the front portions of the side walls (42) is downward widened and an air filter housing (81) of an air filter (38) between the front portions of the two side walls (42) is arranged.
    [6]
    6. chassis structure for a vehicle with a saddle according to any one of claims 1,2,4 and 5, characterized in that along a plane which crosses the vehicle transverse direction obliquely, a fixing part (63) integral with a front, side and bottom portion of the side wall (42) is formed and the fastening part (63) is fixed to the front frame (12).
    [7]
    7. A chassis structure for a saddle vehicle according to any one of claims 1 to 6, characterized in that a front and rear pair of the upper cross pieces (43,44) is provided between upper portions of the pair of left and right side walls (42) in that the saddle (11) is supported by the upper transverse pieces (43,44) and the upper projecting edge portion (42b) between the upper cross pieces (43,44).
    [8]
    A chassis structure for a saddle vehicle according to claim 7, characterized in that the lower crosspiece (45) is disposed below the upper crosspiece (44) which is the rear one of the pair of front and rear upper cross pieces (43,44) wherein the lower crosspiece (45) and a pot web (49) supporting a muffler (36) are fixedly connected together and fixed to the lower edge of the projecting edge portion (42c).
    类似技术:
    公开号 | 公开日 | 专利标题
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    同族专利:
    公开号 | 公开日
    JP6134387B2|2017-05-31|
    US9902458B2|2018-02-27|
    US20160200387A1|2016-07-14|
    JPWO2015033425A1|2017-03-02|
    WO2015033425A1|2015-03-12|
    AT517927B1|2018-02-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    JP2000313388A|1999-04-28|2000-11-14|Honda Motor Co Ltd|Scooter type vehicle|
    US20090242305A1|2008-03-27|2009-10-01|Tatsuhiko Asano|Motorcycle|
    US4852678A|1986-12-05|1989-08-01|Honda Giken Kogyo Kabushiki Kaisha|Vehicle body frame for motorcycle|
    JP4143617B2|2005-03-28|2008-09-03|川崎重工業株式会社|Motorcycle body frame|
    JP5138403B2|2008-01-31|2013-02-06|本田技研工業株式会社|Electrical equipment mounting structure for motorcycles|
    JP5178248B2|2008-03-11|2013-04-10|本田技研工業株式会社|Rear structure of saddle-ride type vehicle|
    DE102010047032A1|2010-09-30|2012-04-05|Benteler Automobiltechnik Gmbh|Method for connecting two metallic elements and connecting tool|
    JPWO2012090848A1|2010-12-27|2014-06-05|東レ株式会社|Motorcycle seat frame|JP6141729B2|2013-09-05|2017-06-07|本田技研工業株式会社|Body frame structure for saddle-ride type vehicles|
    JP6140753B2|2015-03-31|2017-05-31|本田技研工業株式会社|Saddle riding vehicle|
    US20170282749A1|2016-03-31|2017-10-05|Honda Motor Co., Ltd.|Saddle-ride type vehicle|
    JP6480901B2|2016-09-09|2019-03-13|本田技研工業株式会社|Body frame structure for saddle-ride type vehicles|
    JP2018052471A|2016-09-30|2018-04-05|本田技研工業株式会社|Exterior part of saddle-riding type vehicle|
    TWI648188B|2017-01-30|2019-01-21|日商山葉發動機股份有限公司|Straddled vehicle|
    JP6910161B2|2017-02-28|2021-07-28|本田技研工業株式会社|Body frame structure of saddle-riding vehicle|
    JPWO2018199010A1|2017-04-27|2020-03-12|ヤマハ発動機株式会社|Straddled vehicle|
    JP2019064579A|2017-10-02|2019-04-25|スズキ株式会社|Plate-like member of fiber-reinforced resin material|
    US10946917B2|2018-03-28|2021-03-16|Honda Motor Co., Ltd.|Seat frame structure for saddle riding vehicle|
    法律状态:
    2020-08-15| MM01| Lapse because of not paying annual fees|Effective date: 20190905 |
    优先权:
    申请号 | 申请日 | 专利标题
    PCT/JP2013/073980|WO2015033425A1|2013-09-05|2013-09-05|Vehicle body frame structure for saddled vehicle|
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