专利摘要:
The present utility model relates to a mower, comprising: a body of the apparatus; a displacement module, arranged on the body of the apparatus, causing the movement of said mower; a cutting motor arranged on the body of the apparatus; a cutting module, arranged below the body of the apparatus, driven by the cutting motor in order to carry out the mowing tasks of the lawn by rotation; a protection module, comprising a protection of the lower part, at least partially arranged below the cutting module, the protection of the lower part comprising at least two parts of lawn comb, the space between two parts of lawn combs adjacent ones forming a grass inlet for grass passage, the lawn comb parts comprising a front and a rear portion arranged opposite in the direction of operation of the mower; at least one of the lawn comb parts comprising a guide portion, the guide portion being arranged at the front portion of the lawn comb parts, the lower face facing the ground surface, the lower face of the grass comb portion. the guide is inclined upwards in the direction of travel of the mower. The beneficial effects of this utility model are: The mower is able to cut to the edges while meeting safety needs, ensuring mowing efficiency.
公开号:FR3062776A3
申请号:FR1851265
申请日:2018-02-14
公开日:2018-08-17
发明作者:Jiang Du;Xiaogang Yang
申请人:Positec Power Tools Suzhou Co Ltd;
IPC主号:
专利说明:

Lawn mower
Technical area
The present utility model relates to a gardening tool with electric displacement, and in particular a lawn mower.
State of the art
Lawn mowers are mechanical tools used to maintain lawns and plant cover. The cutting device of the mowers is arranged at the lower part of the casing, the cutting device being used to perform the cutting operations. Generally, the lawnmowers market the cutting module to a position relatively far from the body of the device, so that when the user passes the foot under the body of the device it is impossible to touch the cutting elements, however this results in areas that can not be mowed due to the presence of obstacles such as wall angles, barriers or steps.
In order to remedy this problem, mowers with an offset arrangement of the cutting module on an edge of the body of the apparatus have appeared, in parallel, in order to guarantee safety, a protective cover is arranged on the same side. So that the mower can cut the area below the protective cover, a space for the passage of grass is arranged, however in actual operation, the mesh strips on both sides of the space of the protective cover of the part inferior, easily penetrate lawns of unequal heights, and easily damage the edge boundaries they encounter, resulting in an interruption of the mowing line. In addition, the arrangement of a protective hood space does not solve the problem of curvature of the grass while ensuring safety.
Content of the invention
The technical problem that this utility model solves is to provide a mower capable of cutting to the curb while meeting safety needs and ensuring normal movement and mowing.
The technical plan adopted by the present utility model solving the problems of the prior art is as follows: a lawn mower, comprising: a body of the apparatus, the direction perpendicular to the ground constitutes the verticality of the body of the apparatus, and simultaneously the direction perpendicular to the verticality and the direction of movement of said mower constituting the horizontality of said body of the apparatus; a displacement module, arranged on the body of the apparatus, causing the movement of said mower; a cutting motor arranged on the body of the apparatus; a cutting module, arranged below the body of the apparatus, driven by the cutting motor in order to carry out the mowing tasks of the lawn by rotation; a protection module, comprising a protection of the lower part, at least partially arranged below the cutting module, said protection of the lower part comprising at least two parts of lawn comb, the space between two parts of lawn combs adjacent ones forming a grass inlet for the passage of the grass, the lawn comb parts comprising a front part and a rear part arranged opposite to the direction of the mower, characterized in that: one of the lawn comb parts comprises a guide portion, the guide portion being arranged at the front portion of said lawn comb parts, the lower face facing the ground surface, the lower face of the guide portion being tilted upwards in the direction of the mower.
Preferably, the bottom surface of said guide portion comprises an inclined plane.
Preferably, the tilt angle range of said inclined plane is between 10-80 degrees.
Preferably, the bottom surface of said guide portion comprises an arcuate surface.
Preferably, the height difference between the highest point and the lowest point of said guide portion is greater than 6 mm
Preferably, said lawn comb parts comprise at least one transition part, the ground-facing side constitutes the upper face, said lawn comb parts comprise at least one transition part, arranged at the front part of said parts of the lawn comb. lawn comb, the upper face of said transition portion being inclined downwardly in the opposite direction to said direction of travel.
Preferably, said guide portion comprises a termination, oriented in said direction of travel, the width of the termination of said guide portion on said horizontality is less than 8 mm.
Preferably, the width of said lawn comb parts increases from the termination of said guide portion to the rear portion of said lawn comb parts, so that the minimum width of said grass entrance between said comb portions to lawn is less than 8.6 mm.
Preferably, within the vertical projection area of said cutting module, the width of said grass entry between said lawn comb parts is less than 8.6 mm.
Preferably, the width of the grass entry between the termination of said guide portion and said adjacent lawn comb portions is greater than 10 mm.
Preferably, the minimum distance between the periphery of the cutting area of said cutting module and the wall of the outer edge of said body of the apparatus is less than 90 mm.
Preferably, said cutting module is arranged on one side of said body of the apparatus.
In order to solve the above problems, the present invention provides a mower capable of cutting to the curb while meeting safety requirements and ensuring mowing yields.
The technical plan adopted by the present utility model solving the problems of the prior art is as follows: a lawn mower, comprising: a body of the apparatus, the direction perpendicular to the ground constitutes the verticality of the body of the apparatus, and simultaneously the direction perpendicular to the verticality and the direction of movement of said mower constituting the horizontality of said body of the apparatus; a displacement module, arranged on the body of the apparatus, causing the movement of said mower; a cutting motor arranged on the body of the apparatus; a cutting module, arranged below the body of the apparatus, driven by the cutting motor in order to carry out the mowing work of the lawn by rotation; a protection module, comprising a protection of the lower part, at least partially arranged below the cutting module, said protection of the lower part comprising at least two parts of lawn comb, the space between two parts of lawn combs adjacent ones forming a grass inlet for the passage of the grass, the lawn comb parts comprising a front part and a rear part arranged opposite to the direction of the mower, characterized in that: one of the lawn comb parts comprises a guide portion, the guide portion being arranged at the front portion of said lawn comb parts, said guide portion comprises a termination, oriented in said direction of travel, the width of the termination of said guide portion on said horizontality is less than 8 mm.
Preferably, the width of said lawn comb parts increases from the termination of said guide portion to the rear portion of said lawn comb parts.
Compared to previous techniques, the beneficial effects of this utility model are: the arrangement of the guide portion allows the mower in operation to not easily penetrate a lawn whose height is unequal, reduces the amounts of curved grass and increases cutting yields while meeting safety needs.
Description of the Drawings
The purpose of this embodiment, the technical plan and the aforementioned beneficial effects can be realized through the accompanying Drawings below:
Drawing 1 shows an integral exploded view of the mower of the first embodiment of this utility model.
Drawing 2 shows an exploded view from the front of the mower of Drawing 1.
Drawing 3 shows a three-dimensional diagram of the mower of the first embodiment of this utility model.
Drawing 4 shows a diagram of the protection of the lower part of the mower of Drawing 1.
Drawing 5 shows a view from above of the protection of the lower part of the mower of Drawing 1.
Drawing 6 shows the diagram of the protection of the lower part of the mower of another embodiment.
Drawing 7 shows a view from above of the protection of the lower part of the mower of Drawing 6.
Modes of realization
Drawing 1 shows an integral exploded view of the mower 100 of the first embodiment of this utility model, the left side of the drawing represents the front side of the mower 100, the right side represents the rear side of the mower 100, the direction of travel of the mower 100 is that of the rear side of the mower 100 to the front side. In the present embodiment, the mower 100 is an intelligent mower. The mower 100 comprises the body of the apparatus 110, a displacement module 120 and a cutting module 130, the displacement module 120 and a cutting module 130 being arranged on the body of the apparatus 110. The displacement module 120 includes a front wheel and rear wheels, the rear wheels are driven by the motor and cause the forward movement of the mower 100. Of course, in other embodiments, the mower 100 may be a mower maneuvered by a person, such as a mower pushed manually.
Drawing 2 shows an exploded view from the front of the mower 100, the left side of the drawing represents the right side of the mower's running direction. In the present embodiment, the cutting module 130 is arranged on one side of the body of the apparatus 110, concretely, the central axial line A constitutes the position of the central axial line of the body of the apparatus 110, the line central axial axis B constitutes the position of the central axial line of the cutting module 130. The central axial line B does not overlap the central axial line A, it is arranged on one side of the central axial line A, the drawing 2 represents the side right of the running direction of the mower 100, so that the cutting module 130 is sufficiently proximal to the outer side wall of the body of the apparatus 110, to facilitate the cutting of the grass from a lateral limit or on the edges of an obstacle, making the cut to the edge, avoiding the inconvenience of a manual cut. In the present embodiment, the minimum distance between the periphery of the cutting area of said cutting module 130 and the wall of the outer edge of said body of the apparatus is less than 90 mm, preferably the minimum distance between the the periphery of the cutting area of said cutting module 130 and the wall of the outer edge of said body of the apparatus is less than the equivalent of 20 mm, where appropriate cutting effects to the edge are optimal.
However a distance less than the equivalent of 90 mm poses a problem of operational safety, in particular in the case of intelligent lawnmowers, in conditions of automatic cruising without human operation in a predefined defined area, if a person or an animal passes the foot inadvertently below the body of the device 110, the contact with the cutting module has a safety problem. Therefore, in the present embodiment, a protection module 140 is arranged on the body of the apparatus 110, as shown in Drawing 3. The protection module 140 includes a side shield 142, arranged on one side of the cutting module 130, the lateral protection 142 extends in the direction of the height of the body of the apparatus 110, preventing any human or animal contact with the cutting module 130 on one side of the body of the apparatus 100, thus avoiding any occurrence of injury. The protection module 140 further comprises a protection of the lower part 144, the protection of the lower part 144 being arranged below the cutting module 130, thus constituting a screen below the cutting module, preventing the human tissues from penetrating the lower part of the body of the device and are injured. The position of the protection module 140 on the body of the apparatus 110 is arranged offset on one side of the body of the apparatus 110, in a manner identical to the offset of the cutting module 130.
Drawing 4 shows the diagram of the protection of the lower part of the mower of Drawing 1, as shown in Drawing 4, the protection of the lower part 144 of this utility model comprises at least two parts of lawn comb 146 , the space between two adjacent lawn comb portions 146 forming a grass entrance 148 for the passage of the grass, the lawn comb portions 146 comprising a front and a rear portion arranged opposite to each other; when walking the mower 100, at least one of the lawn comb parts 146 includes a guide portion 150, arranged at the front portion of said lawn comb parts 146, the back-facing face of the body of the apparatus 110 is the lower face, the lower face of said guide portion 150 being inclined upward in the direction of the mower 100. Thus, when the mower 100 moves forward, in particularly when the mower 100 encounters a lawn whose height is unequal, it can prevent the parts of lawn combs 146 from penetrating the forward tongue in the direction of travel, preventing the slowing down of the movement or stopping of the mower 100 and the impossibility to continue the mowing, as well as the damage to the edge limit that it encounters, resulting in an interruption of the mowing line. When the border limit is encountered and not detected in time, the possibility for the guiding portion 150 to guide the border limit to below the protection of the lower portion 144 prevents the protection module 140 damages the edge limit, and therefore the edge limit enters the cutting area of the cutting module 130 and is damaged. The guiding portion 150 further guarantees safety, so that persons within the work area of the mower 100 are not likely to touch the cutting module 130 at the front of the mower. 100.
In the present embodiment, the bottom surface of the guide portion 150 includes an inclined plane whose angle inclination degree range is between 10-80 degrees, when the mower 100 meets a sloping floor. , a suitable inclination angle range allows the guide portion 150 to guide the mower 100 to cross said slope, while effectively mowing. The guide effects are optimal especially when the tilt range angle is 20-60, the earth can not penetrate, while allowing the mower 100 to cross the obstacle.
In the present embodiment, the height difference between the highest point and the lowest point of the guide portion 150 is greater than 6 mm, which enables the tilted grass to be straightened on both right and left sides. left lawn comb parts 146, so that it enters the grass inlet 148 vertically and can be effectively cut.
In the present embodiment, said lawn comb portions 146 comprise at least one transition portion 160, arranged at the front portion of the lawn comb portions 146, the upper face of the transition portion 160 being sloped downwardly. in the opposite direction of the running direction of the mower 100. In the present embodiment, the upper face of the transition portion 160 comprises an inclined plane, the range of the angle formed by the upper face of the portion of transition 160 and the back portion of lawn comb parts 146 is 100-170 degrees. If a curb limit penetrates the top of the lawn comb portions 146 and the mower 100 retreats in time, the transition portion 160 can guide the curb limit along the top face of the lawn comb portions it leaves the mower 100, so that the mower 100 can continue its mowing work, while avoiding damaging the edge limit.
Because during the progress of the mower 100 forward the protection of the lower portion 144 curves the grass, the grass curved by the lawn comb parts 146 can not penetrate the grass inlet 148, so that the cutting module 130 can not mow grass from the peripheral areas. In combination with Drawings 4 and 5, in the present embodiment, the guide portion 150 includes a termination 152, oriented in the direction of travel of the mower 100. The direction perpendicular to the ground constitutes the verticality, and simultaneously the perpendicular to the vertical direction and the direction of movement of said mower 100 constituting horizontality, the horizontal width of the termination of the guide portion 150 is less than 8 mm. Reducing the width of the termination of the guide portion 150 decreases the amount of grass curved by the lawn comb parts 146, so that the grass in the direction of travel of the mower 100 can more easily enter the grass inlet 148 by the termination of the guide portion 150, furthermore the guide portion 150 can easily penetrate the interstices of the grass and comb it, so that a larger amount of grass is guided towards the grass inlet 148, and mowing efficiencies of the mower 100 are higher.
The body of the protection module 140 requires a certain hardness, to ensure that it does not deform when the mower 100 encounters an obstacle. As shown in Drawing 5, in the present embodiment, the width of the lawn comb portions 146 expands from the termination of the guide portion 150 to the rear portion of the lawn comb portions 146, not only the amount of grass curved during operation of the mower 100 is reduced, but the degree of hardness of the protection of the lower part is provided, achieving the protection it requires.
Although the protection of the lower part 144 already allows to avoid to a large extent any injury from contact with the cutting module, in other circumstances when the user wants to lift the mower 100 or touch by accident it must be ensured that fingers can not penetrate the protection module 140 and touch the cutting module 130. As shown in Drawing 5, in the present embodiment, the width of the lawn comb portions 146 is enlarges from the termination of the guide portion 150 toward the rear portion of the lawn comb portions 146, so that the minimum width of the grass entry 148 between the lawn comb portions 146 is less than 8.6 mm. In addition, because the main effect of the protection of the lower part is to prevent any contact with the cutting module 130, in the present embodiment, within the vertical projection area of the module. 130, the width of the grass entrance 148 between the lawn comb parts 146 is less than 8.6 mm, fully satisfying safety requirements and guaranteeing operational safety. It should be noted that since width is not the sole determining factor for the ability of fingers to penetrate the grass entrance, the width of the grass entrance 148 is not limited here, however This is the highest factor of safety in this range.
In the present embodiment, the width of the grass entry between the termination of the guide portion 150 and the adjacent lawn comb portions 146 is greater than 10 mm. Thus, while following the operation of the mower 100, the protection of the lower portion 144 allows a larger amount of grass to enter the cutting area of the grass inlet 148, increasing mowing yields.
In another embodiment, in combination with the Drawing 6 and 7, the protection module 140 of the mower 100 is of principal structure basically identical to the first embodiment, the difference is that the guide portion 150 comprises a vertical part 170, by extension in height of the lower surface of the guide portion 150, further by extending the termination of the guide portion 150 in the opposite direction of the running direction of the mower 100. The vertical portion 170 comprises a front guide surface 172, oriented in the direction of travel of the mower 100, inclined upwards from the bottom upwards in the direction of travel of the mower 100. Said vertical part comprises a rear guide surface 174, downwardly inclined downward in the direction of operation of the mower 100. In the present embodiment, the lower surface of the guide portion 150 includes a mistletoe surface. prior to 172, the upper surface of the guide portion 150 comprises a rear guide surface 174. The vertical portion 170 allows the guide portion 150 to ensure its own hardness when its width is sufficiently small, while helping the grass curved on both right and left sides of the lawn comb parts 146 to stand, so that it enters the grass inlet 148 in an erect manner and can be effectively cut. Moreover, the present embodiment is endowed with the advantages of the first embodiment.
In another embodiment, the protection module 140 of the mower 100 is of substantially identical basic structure to the first embodiment, the difference being that the lower surface of the guide portion 150 comprises an arcuate surface. Similarly, when the mower 100 meets a floor surface whose height is unequal, it can adapt to the morphology of the ground, and guide the forward progression of the mower 100.
In another embodiment, the protection module 140 of the mower 100 is of principal structure fundamentally identical to the first embodiment, the difference being that the lower surface of the transition portion 160 comprises an arcuate surface. Likewise, when the curb line penetrates the top of the lawn comb parts 146 and the mower 100 backs off in time, the transition portion 160 can guide the curb limit along the top face of the lawn comb parts. 146 so that it leaves the mower 100, and that the edge limit is not damaged.
The present utility model is not limited to the structures of the embodiments, all structures within the design intent of this utility model are covered by the scope of protection of this utility model.
Description of the accompanying drawings 100. Mower 110. Body of the machine 120. Displacement module 130. Cutting module 132. Cutting motor 134. Cutting element 140. Protection module 142. Lateral protection 144. Protection of the lower part 146. Comb parts at 148. Grass entrance 150. Lawn guide portion 152. Termination 160. Transition portion 170. Vertical portion 172. Front guide portion 174. Rear guide portion
权利要求:
Claims (14)
[1" id="c-fr-0001]
claims
1. A mower, comprising: a body of the apparatus (110), the direction perpendicular to the ground constitutes the verticality of the body of the apparatus, and simultaneously the direction perpendicular to the verticality and the direction of movement of said mower constituting the horizontality of said body of the apparatus; a displacement module (120), arranged on the body of the apparatus, causing the movement of said mower; a cutting motor (132) arranged on the body of the apparatus; a cutting module (130), arranged below the body of the apparatus, driven by the cutting motor to perform lawn mowing work by rotation; a protection module (140), comprising a protection of the lower part (144), at least partially arranged below the cutting module, said lower part protection comprising at least two parts of the lawn comb (146), space between two adjacent lawn comb parts forming a grass entrance (148) for grass passage, the lawn comb portions comprising a front and a rear portion arranged opposite to the grass direction; operation of the mower, characterized in that: at least one of the lawn comb parts comprises a guide portion (150), the guide portion being arranged at the front portion of said lawn comb parts, the lower face facing at the ground surface, the lower face of the guide portion being inclined upwards in the direction of operation of the mower.
[2" id="c-fr-0002]
2. A mower according to claim 1, characterized in that the bottom surface of said guide portion (150) comprises an inclined plane.
[3" id="c-fr-0003]
3. A mower according to claim 2, characterized in that the inclination angle range of said inclined plane is between 10-80 degrees.
[4" id="c-fr-0004]
4. A mower according to claim 1, characterized in that the bottom surface of said guide portion (150) comprises an arcuate surface.
[5" id="c-fr-0005]
5. A mower according to any one of claims 1 to 4, characterized in that the difference in height between the highest point and the lowest point of said guide portion (150) is greater than 6 mm. .
[6" id="c-fr-0006]
6. A mower according to claim 1, characterized in that the face turning the back to the ground constitutes the upper face, said lawn comb parts (146) comprising at least a transition portion (160), arranged in the part before said lawn comb parts, the upper face of said transition portion being inclined downward in the opposite direction to said direction of travel.
[7" id="c-fr-0007]
7. A mower according to claim 1, characterized in that said guide portion comprises a termination (152), oriented in said direction of travel, the width of the termination of said guide portion on said horizontality is less than 8 mm.
[8" id="c-fr-0008]
A mower according to claim 7, characterized in that the width of said lawn comb parts (146) increases from the termination of said guide portion towards the rear portion of said lawn comb parts, so that the minimum width of said grass entry (148) between said lawn comb parts is less than 8.6 mm.
[9" id="c-fr-0009]
9. A mower according to claim 8, characterized in that, within the vertical projection area of said cutting module, the width of said grass inlet between said lawn comb parts is less than 8. , 6 mm.
[10" id="c-fr-0010]
10. A mower according to claim 1, characterized in that the width of the grass entrance between the termination of said guide portion and said adjacent lawn comb portions is greater than 10 mm.
[11" id="c-fr-0011]
11. A mower according to claim 1, characterized in that the minimum distance between the periphery of the cutting area of said cutting module and the wall of the outer edge of said body of the apparatus is less than 90 mm.
[12" id="c-fr-0012]
12. A mower according to claim 1, characterized in that said cutting module is arranged on one side of said body of the apparatus.
[13" id="c-fr-0013]
13. A mower, comprising: a body (110) of the apparatus, the direction perpendicular to the ground constitutes the verticality of the body of the apparatus, and simultaneously the direction perpendicular to the verticality and the direction of movement of said mower constituting the horizontality of said body of the apparatus; a displacement module (120), arranged on the body of the apparatus, causing the movement of said mower; a cutting motor (132) arranged on the body of the apparatus; a cutting module (130), arranged below the body of the apparatus, driven by the cutting motor to perform lawn mowing tasks by rotation; a protection module (140), comprising a protection of the lower part (144), at least partially arranged below the cutting module, said lower part protection comprising at least two parts of the lawn comb (146), space between two adjacent lawn comb parts forming a grass entrance (148) for grass passage, the lawn comb portions comprising a front and a rear portion arranged opposite to the grass direction; operation of the mower, characterized in that: at least one of the lawn comb parts comprises a guide portion (150), the guide portion being arranged at the front portion of said lawn comb parts, said guide portion comprising a termination (152) oriented in said direction of travel, the width of the termination of said guide portion on said horizontality is less than 8 mm.
[14" id="c-fr-0014]
A mower according to claim 13, characterized in that the width of said lawn comb parts (146) increases from the termination of said guide portion (150) to the rear portion of said lawn comb parts.
类似技术:
公开号 | 公开日 | 专利标题
FR3062776B3|2019-08-30|LAWN MOWER
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US4272949A|1981-06-16|Rotary lawn mower edging attachment
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US1546463A|1925-07-21|Lawn trimmer
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同族专利:
公开号 | 公开日
DE202018100828U1|2018-05-29|
CN206808075U|2017-12-29|
FR3062776B3|2019-08-30|
引用文献:
公开号 | 申请日 | 公开日 | 申请人 | 专利标题

US11129330B2|2018-04-06|2021-09-28|Lg Electronics Inc.|Lawn mower robot|
EP3549423B1|2018-04-06|2021-06-16|Lg Electronics Inc.|Lawn mower robot|
US11166409B2|2018-04-06|2021-11-09|Lg Electronics Inc.|Lawn mower robot|
EP3549425B1|2018-04-06|2021-08-04|LG Electronics Inc.|Lawn mower robot|
EP3549429B1|2018-04-06|2021-10-27|LG Electronics Inc.|Lawn mower robot|
EP3549424B1|2018-04-06|2022-01-05|Lg Electronics Inc.|Lawn mower robot|
EP3549426B1|2018-04-06|2021-09-08|LG Electronics Inc.|Lawn mower robot|
EP3560312B1|2018-04-06|2021-10-20|LG Electronics Inc.|Lawn mower robot|
法律状态:
2019-02-21| PLFP| Fee payment|Year of fee payment: 2 |
2020-02-28| PLFP| Fee payment|Year of fee payment: 3 |
2021-02-26| PLFP| Fee payment|Year of fee payment: 4 |
优先权:
申请号 | 申请日 | 专利标题
CN201720137698.0|2017-02-15|
CN201720137698.0U|CN206808075U|2017-02-15|2017-02-15|Hay mover|
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