• 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:
    The invention relates to a two-seater kart comprising a chassis (10) on which are mounted two seats and a steering assembly (15, 16), carrying at least two flywheels (131, 13 2). According to the invention, such a two-seater kart comprises means for deactivating one of the steering wheels. Thus, such a steering wheel can take: - an inactive state in which it is secured to the chassis; an active state in which the steering wheel is able to drive a steering column.
    公开号:FR3016327A1
    申请号:FR1450306
    申请日:2014-01-15
    公开日:2015-07-17
    发明作者:Alain Merian
    申请人:Sodikart SAS；
    IPC主号:
    专利说明:

    [0001] Two-seater kart with skippable steering wheel. FIELD OF THE INVENTION The field of the invention is that of leisure vehicles used for example on runways, and more particularly that of karts.
    [0002] Go-karts are motorized vehicles operated on closed tracks as opposed to road vehicles. These tracks are outdoor ("outdoor") or covered ("indoor"). There are two main categories of karts: rental karts and leisure-competition karts. The former are operated by professionals who rent them to individuals (rental ticket), or to companies in the context of staff motivation seminars or others. The latter are mostly owned by private individuals, who use them for leisure, training and competing. The invention applies to rental karts, but also karts competition and leisure, and more particularly to two-seater karts. 2. Prior art and its disadvantages The two-seat karts are karts whose chassis is equipped with two seats, to allow two people to take place aboard the same kart. Such two-seater karts are particularly used as part of an introduction to karting, when an experienced driver offers a kart baptism to a passenger. Such a passenger may be a child, a person with reduced mobility, or a visually impaired, for example, who wish to discover the sensations of karting, but can not take alone the controls of the kart. It may also be a novice user, who has never or rarely flew, but wants to learn to drive a kart.
    [0003] So far, there are mainly two types of two-seater karts. Two-seater karts used exclusively for kart baptism are generally equipped only with a steering wheel, intended for the pilot; a holding handle can be provided for the passenger, which can sometimes take the form of a fixed steering wheel. In this case, such a steering wheel is of course not connected to the steering column, and is not mobile in rotation: it is only intended to allow the passenger to have a fulcrum on which fix his hands when the kart is moving. The two-seater karts used for training purposes in the driving technique are generally equipped with two steering wheels, both of which are connected to the steering column, and both make it possible to orient the wheels of the kart in a coupled manner. We are talking about active flywheels. Thus, the pilot instructor and the apprentice pilot can each operate their steering wheel, so that the instructor pilot can rectify a possible eventual wrong trajectory of the apprentice pilot. When a kart track wishes to offer its customers, and baptisms kart and driving courses, it must have two types of two-seater karts distinct. It could indeed be dangerous to offer kart baptisms on karts with two active wheels, the neophyte user may operate untimely manipulation of the steering wheel that can lead to the accident. This therefore imposes expensive investments on the kart track.
    [0004] One could consider mechanically intervene on a two-seater kart with two active wheels, to disassemble some elements, to make punctually inactive active flywheel. However, this would require the intervention of an experienced mechanic, and would make it difficult to change the destination of a two-seater kart, a use for a baptism where only a steering wheel is active, a use for a driving course, where both flywheels are active. In addition, during the apprentice pilot's training, the pilot's driving skills change, so that in some situations it may be desirable to let him pilot, and in others, to leave orders only to the instructor pilot. This is not possible today in a simple and fast way.
    [0005] There is therefore a need for a two-seater kart not having these disadvantages of the prior art. In particular, there is a need for a two-seater kart that can be used, both for kart baptisms, as for driving courses, and whose destination can be quickly and easily changed without complex mechanical intervention, or even while the kart is in circulation.
    [0006] There is also a need for such a two-seater kart that is very easy to use and inexpensive to manufacture. 3. DESCRIPTION OF THE INVENTION The invention responds to this need by proposing a two-seater kart comprising a chassis on which two seats and a steering assembly are mounted, carrying at least two steering wheels. According to the invention, such a two-seater kart comprises means for deactivating one of said steering wheels. Thus, the invention is based on a completely new and inventive approach to two-seater karts. Indeed, the invention proposes a two-seat kart equipped with two seats, and two wheels that can both be active, ie connected to the steering column of the kart, when it is desired that both users of the kart can both control his direction. Such a two-seater kart is also equipped with means for disabling one of the wheels that allow a quick and easy way to disable one of the steering wheels, so that one of the users can no longer control the direction of the kart.
    [0007] Thus, by actuating the deactivation means of one of the wheels, it is easy to transform the kart, to use it, either in a context of kart baptism in which only the experienced driver can control the movement of the wheels, either in a driving learning context in which the learner pilot and the training pilot can both control the vehicle's trajectory.
    [0008] The two seats, and therefore the two wheels, can be located next to each other, or one behind the other. The deactivation means can then be indifferently provided on the steering wheel on the right and / or left, front and / or behind. Such deactivation means allow to make active or not one of the two flywheels, very quickly and without disassembly of elements, so without complex mechanical intervention. It will be noted that by steering wheel means here, and throughout this document, the mechanical part operated manually by the driver to choose the direction of the vehicle: the term flying also covers the handlebars, rudders, etc..
    [0009] According to a particular aspect of the invention, at least one of the steering wheels is capable of taking at least two states: an inactive state in which the steering wheel is secured to the chassis; an active state in which the steering wheel is adapted to drive a steering column of the steering assembly. In its inactive state, the steering wheel is therefore fixed relative to the frame and can advantageously serve as a holding handle to the passenger, to help him maintain his position, especially in turns. In its active state, the steering wheel is connected to the steering column, for example by means of a connecting rod, so that a rotation of the steering wheel causes a corresponding orientation of the front wheels of the kart. More specifically, in this active state, the steering wheel can be secured to a drive part of the rod. According to another aspect of the invention, the steering wheel changes from the active state to the inactive state, and vice versa, by moving a locking pin.
    [0010] Thus, the change of state of the steering wheel is very simple and very fast, without requiring complex tools or intervention of a mechanic, simply by moving a locking pin, which can either come lock the flying in its active state, either come lock the steering wheel in its inactive state. Such pin may for example be movable in translation or rotation.
    [0011] According to another characteristic of the invention, the locking pin is movable in translation in a slot in the steering wheel between at least a first position in which the locking pin is housed in a notch of the frame to block any movement of the steering wheel relative to the chassis, and at least a second position in which the locking pin is housed in a notch of the steering assembly to make a connection between the steering wheel and the steering column. Thus the lug is in the form of a locking slider which, when it abuts at a first end of the light formed in the steering wheel, is housed in a notch formed in a part of the chassis. Any movement of the steering wheel relative to the chassis is then prevented by the locking slide which is locked in the notch.
    [0012] When the locking slide is in abutment with the other end of the light formed in the steering wheel, it is housed in a notch formed in a part of the steering assembly, such as a plate connected by a pivot connection to a steering rod. Thus, when the steering wheel rotates, its rotational movement causes that of the plate connected to the steering rod. According to another aspect of the invention, the chassis and / or the steering assembly has (s) at least two curved walls on either side of the notch for guiding the locking pin towards the notch during a change of state of the steering wheel. Indeed, when a user wants to change the state of the steering wheel, he moves the locking pin in the light provided for this purpose. However, it is possible that the light formed in the steering wheel is then not aligned with the notch in which the locking pin must come to be housed (for example if the steering wheel, in the active state, was turned and n is not in its rest position corresponding to straight front wheels, or if the steering wheel, in the inactive state, is in its rest position, secured to the chassis but that the front wheels are not straight, and that the piece driving the steering rod is not in the axis of the steering wheel). In this case, the user moves the locking pin to change the state wheel; when the steering wheel and / or the front wheels turn, the locking lug bears on one of the curved walls located on either side of the notch in which it must be housed. He then slides along these curved walls that guide him until he comes to lodge in the notch, and thus lock the steering wheel in its new state. The change of state of the steering wheel is triggered by the user by moving the locking pin but is effective only after rotation of the wheels and / or steering wheel causing the alignment of the light and the notches, and therefore guiding the locking pin in the notch. According to yet another aspect, the steering wheel comprises a movable cursor in rotation having a finger mounted on a spring, the finger being able to engage in a recess of the locking pin, so that a rotation of the cursor causes the moving the locking pin.
    [0013] The displacement of the locking pin is thus controlled in a simple manner by rotation of a slider provided on the steering wheel. According to another aspect of the invention, the slider has a slot for receiving a key of suitable shape able to actuate a rotation of the cursor.
    [0014] Thus, only the user having the adapted key can rotate the cursor. This prevents the passenger kart can manually activate his steering wheel, especially when the kart is in circulation. On the other hand, the experienced pilot, or the manager of the kart track, can very simply pass a steering wheel from an idle state to an active state, or vice versa, by simply turning the key.
    [0015] In yet another aspect, the steering wheel is adapted to take a third intermediate state, in which the steering wheel is rotatable relative to the chassis but is not capable of driving the steering column. The steering wheel is then floating, or "crazy". Such a position may for example be of interest when the passenger of the kart is a child, who can thus be allowed to turn the steering wheel, and thus give him the impression of driving the kart, without this having a any action on the steering column, and therefore without danger. According to another characteristic of the invention, the wheel is mounted on a bearing, for example a ball or needle bearing. Thus, the flywheel is, by construction, floating, i.e. free to rotate relative to the chassis. It can therefore easily go from an active state in which it is secured to a driving part of the steering rods to an inactive state in which it is secured to the chassis, and vice versa, without the need to dismantle a part. fixing the steering wheel to the kart. According to another embodiment of the invention, the steering wheel has at least two holes capable of receiving a locking pin, and the steering wheel is in the inactive state when the locking pin is inserted in a first hole of the steering wheel and in a hole opposite vis-à-vis formed in the frame, and the steering wheel is in the active state when the locking pin is inserted into a second hole of the steering wheel and a hole vis-à-vis formed in the set of management. The holes in the steering wheel are through holes. The holes in the frame and steering assembly parts, on the other hand, may be through holes, blind holes, or simple notches. This alternative embodiment provides a simple alternative to locking the steering wheel in an active or inactive state. It is enough for the user to move the pin, to insert it in the proper hole. According to an advantageous characteristic of the invention, each of said flywheels is equipped with said deactivation means. It can indeed be expected that both flywheels can both be turned on or off; thus, when the two wheels are located side by side, or one behind the other, the experienced pilot can choose to sit to the right or left, in front or behind, by activating or deactivating the steering wheels he wishes. . According to yet another embodiment of the invention, each flywheel is connected to a steering column of the steering assembly by a rod, at least one of the rods can be deactivated.
    [0016] When a link is deactivated, the steering wheel with which it is associated is thus also deactivated. The rod can be disassembled, for example. 4. List of Figures Other purposes, features and advantages of the invention will emerge more clearly on reading the following description, given as a simple illustrative and non-limiting example, in relation to the figures, among which: Figure 1 shows a perspective view of a steering assembly of a two-seater kart according to one embodiment of the invention; FIGS. 2A and 2B show in greater detail the activation / deactivation mechanism of the left hand wheel of FIG. 1, in a perspective view for FIG. 2A, and in a side view for FIG. 2B; Figure 3 illustrates a detail of Figures 2A and 2B, when the steering wheel is locked in the inactive state; Figure 4 illustrates a detail of Figures 2A and 2B, when the steering wheel is locked in the active state; FIG. 5 illustrates the rotary slider mounted on the steering wheel and making it possible to simply actuate the locking / unlocking mechanism of FIGS. 3 and 4. 5. DETAILED DESCRIPTION OF EMBODIMENTS OF THE INVENTION The general principle of the invention is based on the presence, on a steering wheel of a two-seater kart equipped with two steering wheels, means for deactivating the steering wheel, allowing, by a simple and rapid intervention of a user, to move the steering wheel of an active state in which it allows to control the kart, in an inactive state in which it is decorrelated from the direction set, and vice versa. Such an intervention requires neither mechanical tools nor dismantling of elements. The steering wheel is thus deactivatable, or disengageable. We now show, in connection with the figures, a particular embodiment of the invention. Figure 1 shows a perspective view of a steering assembly according to one embodiment of the invention, for a two-seater kart. Such a kart therefore comprises two flywheels referenced 131 and 132, which are connected to the steering column 15 (more precisely, in this embodiment, to the upper part of the steering column) via rods referenced 191 and 192. The lower part of the steering column 15 is connected to the wheels ni and 112 via rods 211 and 212 and rockets 22, of which only one is visible in Figure 1. When a pilot turns one of the flywheels, the rotational movement of the steering wheel is transmitted, through the rods 19, 21 and the steering column 15 to the rockets 22, and causes the corresponding orientation of the front wheels 111 and 112 .
    [0017] The flywheels 131, 132 are mounted on a steering wheel hub 20, which is part of the steering assembly, and is screwed to the upper part of two steering support rods 161, arranged on either side of the column. The steering wheel hub 20 extends substantially horizontally from these two support rods 161, on either side of the latter. These two support rods 161 extend substantially parallel to the steering column 15 in their lower part, and are bent in their upper part. In their lower part, the support rods 161 are connected by welding to a V-shaped tubular piece referenced 162 which is also part of the steering support 16. The ends of this V-shaped piece 162 are substantially rectilinear, and connected to each other. to the chassis (not shown). When the two-seater kart is used for a demonstration or a baptism kart, it is not necessary that the two flywheels can be operated, and it is even desirable on the contrary to be able to disable one of the wheels, to prevent that the inexperienced passenger of the kart does not come to disturb the driving of the pilot, by an untimely movement of the steering wheel. To do this, according to a first particular embodiment of the invention, it is therefore possible to deactivate one of the two links, for example simply by separating it from the steering column 15. The pilot can choose whether he prefers sit on the right or left of the two-seater kart, and then disengage the rod 19 located on the passenger side. Alternatively, when the two-seater kart is used for the training of a pilot, it may be desirable that both flywheels can be used, one for the student pilot, who drives the kart, and the other for the pilot. -Instructor who would like to rectify a wrong trajectory borrowed by the student pilot for example. In the particular embodiment of Figure 1, there is shown a two-seater kart in which the two users of the kart sit side by side, and wherein the two wheels are placed side by side, one on the right kart, and the other on the left of the kart. The invention applies of course also to a two-seater kart in which the two users would take place one behind the other in the vehicle. The left hand wheel of the kart of FIG. 1, and in particular the mechanism making it possible to change its state in a second particular embodiment of the invention, is now presented in greater detail in connection with FIGS. 2A and 2B. . Note that in the example of Figure 1, only the left handwheel is equipped with such an activation / deactivation mechanism of the steering wheel. One could of course also provide that this mechanism is located on the steering wheel on the right, or both wheels. The steering wheel 132 is mounted on a bearing, for example ball (not visible in the figures), so that it is floating by default, or "crazy", ie free in rotation relative to the frame and the steering assembly . In FIGS. 2A-2B, the right-hand steering wheel 131, the links referenced 191 and 192, the steering column 15, the mechanical connection parts between the links and the steering column, the drive plate 242 of the link 192 are articulated parts common to the conventional direction of the kart (steering assembly). Conversely, the steering support rods 161, the flywheel hub 20 and the flywheel support plate referenced 25 are the static parts connected to the chassis. The steering wheel 132 comprises deactivation means comprising a locking pin referenced 26 which, in FIGS. 2A and 2B, is presented in an intermediate position: the steering wheel 132 is then in an intermediate state, in which it is floating, thanks to its ball bearing mounting. This locking pin referenced 26 is slidable in a slot in the steering wheel 132 between two extreme positions: a position in which the locking pin 26 engages in a notch in the drive plate 242 of the rod direction 192: in this position, the locking pin 26 secures the rotational movements of the steering wheel 132 and the plate 242, so that the steering wheel is in an active state; a position in which the locking pin 26 engages in a notch in the support plate 25 of the steering wheel: in this position, the locking pin 26 secures the steering wheel 132 to the frame, so that the steering wheel is in an inactive state. When the locking pin 26 is in the middle part of the light, the steering wheel is not secured to the steering assembly or the chassis, and is therefore in an intermediate state in which it is floating.
    [0018] Figures 3 and 4 illustrate in more detail the locking mechanism of the flywheel 132 in an active or inactive state by means of the locking pin 26. As indicated above, this locking pin 26 slides in a light formed in the steering wheel 132, which is not illustrated in Figures 3 and 4, but that is observed in Figure 5, commented below (see reference 50). In the example of Figure 3, the locking pin 26 abuts at a first end of the light, and engages in a notch referenced 31 formed in the flywheel support plate 25, fixed to the frame. The steering wheel 132 is not free to rotate relative to the chassis: it is in a state said inactive, in which it serves as a holding handle to the passenger of the kart. In the example of FIG. 4, the locking pin 26 is in abutment with the other end of the light formed in the flywheel 132, and engages in a notch referenced 30 formed in the drive plate 242 of FIG. the steering rod 192. The rotation of the steering wheel 132 thus causes the movement of the rod 192, via the drive plate 242: the steering wheel 132 is in a said active state, in which it is secured to the steering assembly of the kart, to authorize the steering. It can be observed in FIGS. 3 and 4 that the drive plate 242 has, on either side of the notch referenced 30, curved walls referenced 321 and 322. Thus, when the steering wheel 132 is locked in the state inactive (FIG. 3), and when a user of the kart slides the locking pin 26 into the light provided in the steering wheel in order to put the steering wheel in an active state, this locking pin 26 may not engage immediately. in the notch referenced 30, if this notch 30 is momentarily not aligned with the light. This is particularly the case if the front wheels of the kart are not straight, and that the drive plate 242 has therefore rotated about the axis 34 relative to the rest position of Figures 3 and 4. When the user slides the locking pin 26, so it comes first abutting on the curved walls 321 or 322 (depending on the position of the front wheels); when the front wheels are straightened to return to the main axis of the kart, the locking pin is guided along the curved walls 321 or 322 until it comes to be housed in the notch 30 when the latter aligns with the light formed in the flywheel 132. Similarly, curved walls 331 and 332 are provided on the support plate 25 of the flywheel on either side of the notch referenced 31. They also have the function of guide the locking pin 26 until it is housed in the notch 31, in the case where a user slides the locking pin 26 of the notch 30 referenced to the notch 31 referenced lock the steering wheel in an inactive state, while the steering wheel is rotated relative to its rest position (corresponding to the front wheels straight) and the light in which the locking pin 26 slides is not aligned axially with notch 31. Figure 5 illustrates further detail mechanism allowing the user to simply actuate the movement of the locking pin 26 between the two positions of Figures 3 and 4. As explained above, the locking pin 26 slides in a slot in the steering wheel 132 and referenced 50 in Figure 5. In this figure, the locking pin 26 locks the steering wheel 132 in the inactive state, wherein it is secured to the chassis parts, including the steering wheel support plate 25 . The steering wheel 132 also has a rotary slider 51 having a finger 52 mounted on a spring. This finger 52 cooperates with a corresponding recess of the locking pin 26, so that the clockwise rotation of the rotary slider 51 causes the locking pin 26 to slide off the notch 31 formed in the flywheel support plate 25. towards the notch 30 formed in the drive plate 242 of the steering rod 192. Conversely, the counterclockwise rotation of the rotary slider 51 causes the locking pin 26 to slide off the notch 30 formed in the plate 242 of the driving the steering rod 192 towards the notch 31 formed in the flywheel support plate 25. Thus, a simple manual rotation of the rotary slider 51 can engage or disengage the steering wheel 132, according to the use that we want to make the two-seater kart. This operation is very simple, does not require any tools, nor any intervention of disassembly of mechanical parts of the kart. It can even be done when the go-kart is in motion (for example, if the pilot instructor wants to momentarily make the wheel of the apprentice pilot inactive, to demonstrate it to a particularly delicate maneuver). Alternatively, it can be provided that this activation / deactivation of the steering wheel requires the availability of a specific key, in order to prevent the kart passenger from inadvertently activating his steering wheel, without the control of the driver, or the manager of the the go-kart track. To do this, a slot 53 is formed in the rotary slider 51: the rotation of the slider 51 is possible only by introduction into the slot 53 of a corresponding key shape to that of the slit. By turning the key, the finger 52 is rotated which drives the locking pin 26 in translation in the light 50. In another embodiment of the invention, it is possible to substitute the mechanism described above based on the translation. a locking pin, a pin-based mechanism. In this case, the flywheel 132 is provided with two holes located respectively opposite the notches referenced 30 and 31.
    [0019] When it is desired to lock the steering wheel in the inactive state, the pin is inserted into the hole in the steering wheel located opposite the notch referenced 31 formed in the flywheel support plate 25. Thus, the pin secures the flywheel 132 to the plate 25, and thus to the frame. When it is desired to lock the steering wheel in the active state, to authorize the steering, the pin is inserted into the hole in the steering wheel 132 located opposite the notch referenced 30 formed in the drive plate 242 of the steering rod. 192. Thus, the pin secures the movements of the steering wheel 132 and the drive plate 242.
    权利要求:
    Claims (12)
    [0001]
    REVENDICATIONS1. Two-seat kart comprising a chassis (10) on which are mounted two seats and a steering assembly (15, 16) carrying at least two flywheels (131, 132), characterized in that it comprises means for deactivating the one of said wheels.
    [0002]
    2. Two-seater kart according to claim 1, characterized in that at least one of said wheels is capable of taking at least two states: an inactive state in which said wheel is secured to said frame; an active state wherein said steering wheel is adapted to drive a steering column of said steering assembly.
    [0003]
    3. Tandem kart according to claim 2, characterized in that said wheel passes from said active state to said inactive state, and vice versa, by moving a locking pin.
    [0004]
    4. Tandem kart according to claim 3, characterized in that said locking pin is movable in translation in a slot in said wheel between at least a first position in which said locking pin is housed in a notch of said frame to block all movement of said flywheel relative to said frame, and at least a second position in which said locking pin is housed in a notch of said steering assembly to effect a connection between said flywheel and said steering column.
    [0005]
    5. Tandem kart according to claim 4, characterized in that said frame and / or said steering assembly has (s) at least two curved walls on either side of said notch for guiding said locking lug to said notch during a change of state of said steering wheel.
    [0006]
    6. Two-seater kart according to any one of claims 3 to 5, characterized in that said wheel comprises a movable slider having a finger mounted on a spring, said finger being adapted to engage in a recess of said locking pin , so that a rotation of said cursor causes the displacement of said locking pin.
    [0007]
    7. Two-seater kart according to claim 6, characterized in that said slider has a slot for receiving a key of suitable shape able to actuate a rotation of said slider.
    [0008]
    8. Two-seat kart according to any one of claims 2 to 7, characterized in that said wheel is adapted to take a third intermediate state, wherein said wheel is movable in rotation relative to said frame but is not capable of driving said steering column.
    [0009]
    9. Two-seat kart according to any one of claims 1 to 8, characterized in that said wheel is mounted on a bearing.
    [0010]
    10. Two-seat kart according to any one of claims 1 and 2, characterized in that said wheel has at least two holes adapted to receive a locking pin, and in that said wheel is in said inactive state when said locking pin is inserted in a first hole of said flywheel and in a vis-à-vis hole formed in said frame, and in that said flywheel is in said active state when said locking pin is inserted in a second hole of said flywheel and in a hole vis-à-vis formed in said steering assembly.
    [0011]
    11. Two-seat kart according to any one of claims 1 to 10, characterized in that each of said flywheels is equipped with said deactivation means.
    [0012]
    12. Tandem kart according to claim 1, characterized in that each of said wheels is connected to a steering column of said steering assembly by a rod (191, 192), at least one of said rods can be deactivated.
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    同族专利:
    公开号 | 公开日
    FR3016327B1|2017-07-28|
    EP3094538A1|2016-11-23|
    WO2015107041A1|2015-07-23|
    EP3094538B1|2017-11-01|
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    法律状态:
    2016-01-26| PLFP| Fee payment|Year of fee payment: 3 |
    2017-01-27| PLFP| Fee payment|Year of fee payment: 4 |
    2018-01-24| PLFP| Fee payment|Year of fee payment: 5 |
    2019-09-27| ST| Notification of lapse|Effective date: 20190906 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1450306A|FR3016327B1|2014-01-15|2014-01-15|KART BIPLACE WITH DISABLED WHEEL.|FR1450306A| FR3016327B1|2014-01-15|2014-01-15|KART BIPLACE WITH DISABLED WHEEL.|
    PCT/EP2015/050485| WO2015107041A1|2014-01-15|2015-01-13|Two-seater cart with an activatable steering wheel|
    EP15700557.0A| EP3094538B1|2014-01-15|2015-01-13|Two-seater cart with an activatable steering wheel|
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