All-terrain vehicle

Abstract

The utility model provides an all-terrain vehicle which comprises a vehicle frame, an engine, a front axle and a rear axle. The engine is installed on the frame and located above the main frame. The two ends of the front axle are in transmission connection with the front wheels, and the front axle is located above the main frame. The two ends of the rear axle are in transmission connection with rear wheels, and the rear axle is located above the main frame; the bottom plane is a plane perpendicular to the vertical direction, the vertical distance between the center A of an output shaft of the front axle and the bottom plane is L1, the vertical distance between the center C of an output shaft of the rear axle and the bottom plane is L2, the vertical distance between the center B of a crankshaft of the engine and the bottom plane is L3, and L1 / L3 is larger than or equal to 0.31 and smaller than or equal to 0.86; l2 / L3 is greater than or equal to 0.26 and less than or equal to 0.81. Therefore, the vehicle can be designed and arranged based on the proportional relation among the L1, the L2 and the L3, so that the center-of-gravity position of the vehicle is low, further, the travel of the front suspension and the rear suspension of the vehicle is large, and the vehicle has better control stability.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to an all-terrain vehicle. Background Art

[0002] All-terrain vehicles are often used for field transportation, field rescue, field exploration, field construction and other purposes. The field terrain is complex, such as beaches, riverbeds, forest roads, streams, and harsh desert terrain. Therefore, it is very important for all-terrain vehicles to have good handling stability and ensure driving safety. Utility Model Content

[0003] In order to solve the above problems, an embodiment of the present application provides an all-terrain vehicle to at least partially solve the above problems.

[0004] The all-terrain vehicle provided in this application includes:

[0005] Frame, including main frame;

[0006] an engine, mounted on the frame and located above the main frame;

[0007] A front axle, both ends of which are drivingly connected to the front wheels and located above the main frame;

[0008] A rear axle, both ends of which are drivingly connected to the rear wheels and located above the main frame;

[0009] The bottom plane is a virtual plane extending in the front-to-back direction and perpendicular to the up-down direction. The bottom plane is located below the main frame. The vertical distance between the center point A of the output shaft of the front axle and the bottom plane is L1. The vertical distance between the center point C of the output shaft of the rear axle and the bottom plane is L2. The vertical distance between the center point B of the crankshaft of the engine and the bottom plane is L3. 0.31≤L1 / L3≤0.86; 0.26≤L2 / L3≤0.81.

[0010] Optionally, the all-terrain vehicle further comprises a seat in the cockpit, wherein the seat is mounted on the main frame and located above the main frame, and the engine is located behind the seat.

[0011] Optionally, the all-terrain vehicle includes a front drive shaft connected between the engine and the front axle, the seat includes a main driving seat cushion, a co-pilot seat cushion and a support, the main driving seat cushion and the co-pilot seat cushion are both installed on the support, the support includes a first leg and a second leg spaced apart in the left and right directions, the lower end of the first leg and the lower end of the second leg are both connected to the main frame; the first leg is located below the main driving seat cushion, the second leg is located below the co-pilot seat cushion, the front drive shaft is located below the co-pilot seat cushion, and the front drive shaft is located between the first leg and the second leg in the left and right direction.

[0012] Optionally, the main frame includes a longitudinal beam, a first cross bar and a second cross bar, the longitudinal beam and the second cross bar are vertically connected, the first cross bar and the second cross bar both extend in the left-right direction, the first cross bar and the second cross bar are parallel and spaced apart in the front-back direction, and the two first cross bars are respectively connected to the left and right sides of the longitudinal beam; the front end and the rear end of the first leg are respectively connected to the first cross bar and the second cross bar, and the front end and the rear end of the second leg are respectively connected to the first cross bar and the second cross bar.

[0013] Optionally, the frame also includes a rear sub-frame, which is mounted at the rear end of the main frame and located above the main frame; the frame also includes a rear sub-frame, which is mounted at the rear end of the main frame and located above the main frame; the all-terrain vehicle also includes a left rear wheel, a right rear wheel, a left rear swing arm assembly, a right rear swing arm assembly and a rear stabilizer bar, the inner end of the left rear swing arm assembly is pivotally connected to the rear sub-frame, and the outer end is rotationally connected to the left rear wheel, the inner end of the right rear swing arm assembly is pivotally connected to the rear sub-frame, and the outer end is rotationally connected to the right rear wheel; the rear stabilizer bar is C-shaped and the C-shaped opening faces rearward, the rear stabilizer bar is located behind the engine, the middle part of the rear stabilizer bar is rotationally connected to the main frame, and the left and right ends of the rear stabilizer bar are respectively connected to the left rear swing arm assembly and the right rear swing arm assembly.

[0014] Optionally, the all-terrain vehicle includes two rear connecting structures spaced apart in the left-right direction, the rear stabilizer bar is rotatably connected to the main frame via the rear connecting structures, and the rear connecting structure includes a rear buffer member, which is sleeved on the rear stabilizer bar.

[0015] Optionally, the upper surface of the rear sub-frame is higher than the upper end of the engine, and the all-terrain vehicle further includes a compartment installed above the rear sub-frame, and the compartment is used for storage.

[0016] Optionally, the frame also includes a front sub-frame, which is mounted at the front end of the main frame and located above the main frame; the all-terrain vehicle also includes a left front rocker arm assembly, a right front rocker arm assembly, a left front wheel, a right front wheel and a front stabilizer bar, the inner end of the left front rocker arm assembly is pivotally connected to the front sub-frame, and the outer end is rotationally connected to the left front wheel, the inner end of the right front rocker arm assembly is pivotally connected to the front sub-frame, and the outer end is rotationally connected to the right front wheel; the front stabilizer bar is C-shaped and located in front of the front sub-frame, the C-shaped opening of the front stabilizer bar faces rearward, the middle part of the front stabilizer bar is rotationally connected to the front sub-frame, and the left and right ends of the front stabilizer bar are respectively connected to the left front rocker arm assembly and the right front rocker arm assembly.

[0017] Optionally, the all-terrain vehicle may further include a left front shock absorber and a right front shock absorber, wherein the upper end of the left front shock absorber is connected to the front sub-frame, and the lower end is connected to the left front rocker arm assembly, and the upper end of the right front shock absorber is connected to the front sub-frame, and the lower end is connected to the right front rocker arm assembly.

[0018] Optionally, the all-terrain vehicle includes two front connecting structures spaced apart in the left-right direction, the front stabilizer bar is rotatably connected to the front sub-frame via the front connecting structure, and the front connecting structure includes a front buffer member, which is sleeved on the front stabilizer bar.

[0019] Based on the above-mentioned all-terrain vehicle provided by the present application, the relative height position between the engine and the front axle is optimized, and the relative height position between the engine and the rear axle is optimized. In this way, the vehicle can be designed and arranged based on the proportional relationship between L1, L2, and L3, so that the center of gravity of the vehicle is lower. Furthermore, the front and rear suspension travel of the vehicle can be larger, thereby making the vehicle have better handling stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The following drawings are intended only to illustrate and explain the present application, and do not limit the scope of the present application.

[0021] Figure 1 It is a partial structural schematic diagram of an all-terrain vehicle provided by an exemplary embodiment of the present application.

[0022] Figure 2 It is a schematic diagram of the relative positions of a seat and a front drive shaft in an all-terrain vehicle provided by an exemplary embodiment of the present application.

[0023] Figure 3 is a front view of a support for an all-terrain vehicle provided by an exemplary embodiment of the present application.

[0024] Figure 4 1 is a top view of an all-terrain vehicle provided by an exemplary embodiment of the present application, wherein a partial structure is shown.

[0025] Figure 5 It is a partial structural schematic diagram of an all-terrain vehicle provided by an exemplary embodiment of the present application.

[0026] Figure 6 is based on Figure 5 Rear view of.

[0027] Figure 7 is based on Figure 5 Front view of.

[0028] Figure 8 It is a schematic diagram of a partial structure of an all-terrain vehicle provided by an exemplary embodiment of the present application.

[0029] Fig. 9 is based on Figure 8 Top view of the .

[0030] Fig.10 is based on Figure 8 Left view of .

[0031] Fig.11 It is a schematic diagram of a partial structure of an all-terrain vehicle provided by an exemplary embodiment of the present application.

[0032] Fig.12 is based on Fig.11 Partial left view of .

[0033] Reference numerals:

[0034] M-bottom plane;

[0035] 11-front sub-frame, 12-rear sub-frame; 13-main frame, 131-first crossbar, 132-second crossbar, 133-longitudinal beam,

[0036] 14-seat, 141-driver seat cushion, 142-passenger seat cushion, 143-support, 1431-first leg, 1432-second leg;

[0037] 21-engine, 22-front axle, 23-rear axle, 24-front drive shaft, 25-rear drive shaft;

[0038] 31-Front stabilizer bar, 32-Rear stabilizer bar,

[0039] 41-front connecting structure, 411-front mounting seat, 412-front buffer,

[0040] 42-rear connecting structure, 421-rear mounting seat, 422-rear buffer,

[0041] 51-left front rocker arm assembly, 511-left front upper rocker arm, 512-left front lower rocker arm,

[0042] 52-right front rocker arm assembly, 521-right front upper rocker arm, 522-right front lower rocker arm,

[0043] 53-left rear rocker arm assembly, 531-left rear upper rocker arm, 532-left rear lower rocker arm,

[0044] 54-right rear rocker arm assembly, 541-right rear upper rocker arm, 542-right rear lower rocker arm,

[0045] 61-left front shock absorber, 62-right front shock absorber, 63-left rear shock absorber, 64-right rear shock absorber;

[0046] 71-left front ball pin assembly, 72-right front ball pin assembly, 73-left rear ball pin assembly, 74-right rear ball pin assembly;

[0047] 81-left steering knuckle, 82-right steering knuckle, 83-left rear wheel axle seat, 84-right rear wheel axle seat. DETAILED DESCRIPTION

[0048] In order to have a clearer understanding of the technical features, purposes and effects of the embodiments of the present application, the specific implementation methods of the embodiments of the present application are now described with reference to the accompanying drawings.

[0049] In this document, “exemplary” means “serving as an example, instance or illustration”, and any diagram or implementation described in this document as “exemplary” should not be interpreted as a more preferred or more advantageous technical solution.

[0050] In order to simplify the drawings, only the parts related to the present application are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one or more of the parts with the same structure or function are schematically drawn or only one or more of them are marked.

[0051] The present application provides an all-terrain vehicle, referring to Figure 1The all-terrain vehicle includes a frame, an engine 21, a front axle 22 and a rear axle 23, the frame includes a main frame 13; the engine 21 is installed on the frame and is located above the main frame 13; both ends of the front axle 22 are drivingly connected to the front wheels, and the front axle 22 is located above the main frame 13; both ends of the rear axle 23 are drivingly connected to the rear wheels, and the rear axle 23 is located above the main frame 13; the bottom plane M is a virtual plane extending along the front-to-back direction and perpendicular to the up-down direction, the bottom plane is located below the main frame 13, the vertical distance between the output shaft center point A of the front axle 22 and the bottom plane M is L1, the vertical distance between the output shaft center point C of the rear axle 23 and the bottom plane M is L2, the vertical distance between the crankshaft center point B of the engine 21 and the bottom plane is L3, 0.31≤L1 / L3≤0.86; 0.26≤L2 / L3≤0.81.

[0052] Through the above technical solution, the relative height position between the engine 21 and the front axle 22 is optimized, and the relative height position between the engine 21 and the rear axle 23 is optimized. In this way, the vehicle can be designed and arranged based on the proportional relationship between L1, L2, and L3, so that the center of gravity of the vehicle is lower. Furthermore, the front and rear suspension travel of the vehicle can be larger, so that the vehicle has better handling stability.

[0053] It should be clarified that the "up" and "down" defined in this application are up and down in the direction of gravity, and the "front and rear" are defined based on the front and rear of the all-terrain vehicle, with the front of the vehicle in front and the rear of the vehicle in the rear, and the horizontal plane is perpendicular to the up and down direction. The "left and right" defined in this application are defined based on the left and right sides of the driver when the driver is driving the vehicle.

[0054] refer to Figure 1 In a possible embodiment, the all-terrain vehicle further includes a seat 14 in the cockpit, the seat 14 is mounted on the main frame 13 and is located above the main frame 13, and the engine 21 is located behind the seat 14. Through this technical solution, when the driver sits on the seat 14 to drive the vehicle, since the engine 21 is located behind the seat 14, the engine 21 can reduce the adverse effects of the heat generated by the engine 21 on the driver on the main driving seat 141, thereby improving the riding comfort of the driver.

[0055] refer to Figure 1 , Figure 2 , Figure 3 and Figure 4The all-terrain vehicle includes a front transmission shaft 24 connected between the engine 21 and the front axle 22, and also includes a rear transmission shaft 25 connected between the engine 21 and the rear axle 23. The seat 14 includes a main driving seat cushion 141, a co-pilot seat cushion 142 and a support 143. The main driving seat cushion 141 and the co-pilot seat cushion 142 are both installed on the support 143. The support 143 includes a first leg 1431 and a second leg 1432 that are spaced apart in the left-right direction. The lower ends of the first leg 1431 and the lower ends of the second leg 1432 are both connected to the main frame 13. The first leg 1431 is located below the main driving seat cushion 141, and the second leg 1432 is located below the co-pilot seat cushion 142. The front transmission shaft 24 is located below the co-pilot seat cushion 142, and the front transmission shaft 24 is located between the first leg 1431 and the second leg 1432 in the left-right direction. Through this technical solution, legs are provided under the main driver's seat cushion 141 and the co-driver's seat cushion 142, which provide good stability and good riding comfort for the driver and passengers.

[0056] Specifically, the support 143 may also include a front crossbeam and a rear crossbeam both extending in the left-right direction, the front crossbeam being connected to the upper front side of the first leg 1431 and to the upper front side of the second leg 1432, the rear crossbeam being connected to the upper front side of the first leg 1431 and to the upper front side of the second leg 1432, the main driver's seat cushion 141 and the co-driver's seat cushion 142 being distributed in the left-right direction, the front end of the main driver's seat cushion 141 being connected to the front crossbeam, and the rear end being connected to the rear crossbeam; similarly, the front end of the co-driver's seat cushion 142 being connected to the front crossbeam, and the rear end being connected to the rear crossbeam.

[0057] For further reference, Figure 4 The main frame 13 includes a longitudinal beam 133, a first crossbar 131 and a second crossbar 132, the longitudinal beam 133 and the second crossbar 132 are vertically connected, the first crossbar 131 and the second crossbar 132 are both extended in the left-right direction, the first crossbar 131 and the second crossbar 132 are parallelly spaced and distributed in the front-back direction, and the two first crossbars 131 are respectively connected to the left and right sides of the longitudinal beam 133; the front end and the rear end of the first leg 1431 are respectively connected to the first crossbar 131 and the second crossbar 132, and the front end and the rear end of the second leg 1432 are respectively connected to the first crossbar 131 and the second crossbar 132. Through this technical solution, the support 143 can be stably installed on the main frame 13, thereby ensuring the riding comfort of the passengers.

[0058] refer to Figure 4 and Figure 5The frame also includes a rear sub-frame 12, which is mounted at the rear end of the main frame 13 and located above the main frame 13; the all-terrain vehicle also includes a left rear wheel, a right rear wheel, a left rear swing arm assembly 53, a right rear swing arm assembly 54 and a rear stabilizer bar 32, the inner end of the left rear swing arm assembly 53 is pivotally connected to the rear sub-frame 12, and the outer end is rotationally connected to the left rear wheel, the inner end of the right rear swing arm assembly 54 is pivotally connected to the rear sub-frame 12, and the outer end is rotationally connected to the right rear wheel; the rear stabilizer bar 32 is C-shaped and the C-shaped opening faces rearward, the rear stabilizer bar 32 is located behind the engine 21, the middle part of the rear stabilizer bar 32 is rotationally connected to the main frame 13, and the left and right ends of the rear stabilizer bar 32 are respectively connected to the left rear swing arm assembly 53 and the right rear swing arm assembly 54. Through the above technical solution, the left rear swing arm assembly 53 can be used to transmit various forces acting on the left rear wheel to the frame, while ensuring that the left rear wheel can bounce up and down and turn relative to the frame within a limited range; similarly, the right rear swing arm assembly 54 can be used to transmit various forces acting on the right rear wheel to the vehicle body, while ensuring that the right rear wheel can bounce up and down and turn relative to the frame within a limited range, and the C-shaped rear stabilizer bar 32 connected to the two swing arm assemblies can improve the vehicle's anti-roll capability. In addition, the application does not show each wheel in the figure.

[0059] For further reference, Figure 5 and Figure 6 The left rear swing arm assembly 53 includes a left rear upper swing arm 531 and a left rear lower swing arm 532, the right rear swing arm assembly 54 includes a right rear upper swing arm 541 and a right rear lower swing arm 542, and the all-terrain vehicle also includes a left rear wheel axle seat 83 and a right rear wheel axle seat 84; the left rear wheel is mounted on the left rear wheel axle seat 83, the upper end of the left rear wheel axle seat 83 is rotatably connected to the left rear upper swing arm 531 through a ball pin, and the lower end is rotatably connected to the left rear lower swing arm 532 through a ball pin; the right rear wheel is mounted on the right rear wheel axle seat 84, the upper end of the right rear wheel axle seat 84 is rotatably connected to the right rear upper swing arm 541 through a ball pin, and the lower end is rotatably connected to the right rear lower swing arm 542 through a ball pin. In this way, the left rear wheel can rotate within the limit range relative to the left rear swing arm assembly 53, and the right rear wheel can rotate within the limit range relative to the right rear swing arm assembly 54.

[0060] In one example, reference Figure 6The all-terrain vehicle may further include a left rear shock absorber 63 and a right rear shock absorber 64. The upper end of the left rear shock absorber 63 is connected to the rear sub-frame 12, and the lower end is connected to the left rear swing arm assembly 53, so as to play a role of buffering and shock absorption between the left rear wheel and the frame. Similarly, the upper end of the right rear shock absorber 64 is connected to the rear sub-frame 12, and the lower end is connected to the right rear swing arm assembly 54, so as to play a role of buffering and shock absorption between the right rear wheel and the frame. Specifically, the lower end of the left rear shock absorber 63 may be connected to the left rear lower swing arm 532, and the lower end of the right rear shock absorber 64 may be connected to the right rear lower swing arm 542.

[0061] In one example, reference Figures 8 to 10 The all-terrain vehicle further includes a left rear ball pin assembly 73 and a right rear ball pin assembly 74. One end of the left rear ball pin assembly 73 is rotatably connected to the rear stabilizer bar 32, and the other end is rotatably connected to the left rear swing arm assembly 53. One end of the right rear ball pin assembly 74 is rotatably connected to the rear stabilizer bar 32, and the other end is rotatably connected to the right rear swing arm assembly 54. In this way, by providing the left rear ball pin assembly 73, the rotational connection between the rear stabilizer bar 32 and the left rear swing arm assembly 53 is realized; by providing the right rear ball pin assembly 74, the rotational connection between the rear stabilizer bar 32 and the right rear swing arm assembly 54 is realized. Specifically, the left rear ball pin assembly 73 can be connected between the left end of the rear stabilizer bar 32 and the left rear lower swing arm 532, and the right rear ball pin assembly 74 can be connected between the right end of the rear stabilizer bar 32 and the right rear lower swing arm 542.

[0062] refer to Fig. 9 The all-terrain vehicle includes two rear connection structures 42 spaced apart in the left-right direction, the rear stabilizer bar 32 is rotatably connected to the main frame 13 through the rear connection structures 42, and the rear connection structure 42 includes a rear buffer 422, which is sleeved on the rear stabilizer bar 32. Through this technical solution, the rear stabilizer bar 32 can be stably rotatably connected to the main frame 13 through the two rear connection structures 42, and the rear buffer 422 can play a buffering and shock-absorbing role at the rotation connection between the rear wheel and the main frame 13, and reduce noise.

[0063] In one example, reference Fig. 9 and Fig.10 The rear connection structure 42 may include a rear mounting seat 421, which is mounted on the main frame 13 and has a through hole. The rear buffer 422 may be a rubber sleeve that can be sleeved on the rear stabilizer bar 32. The rubber sleeve can be sleeved on the rear stabilizer bar 32 in direct contact and penetrate the through hole of the rear mounting seat 421. In this way, the rear stabilizer bar 32 and the rear mounting seat 421 are rotatably connected, and the rubber sleeve that can play a buffering role is located between the rear stabilizer bar 32 and the rear mounting seat 421 to play a shock absorbing role.

[0064] In one example, reference Figure 4 , the projection of the engine 21 toward the bottom plane covers the middle part of the projection of the rear stabilizer bar 32 toward the bottom plane. In this way, in the front-to-back direction, the relative position between the rear stabilizer bar 32 and the engine 21 is relatively close, so that the structure of the all-terrain vehicle is compact and the stability is good.

[0065] refer to Figure 1 The upper surface of the rear sub-frame 12 is higher than the upper end of the engine 21, and the all-terrain vehicle also includes a compartment installed above the rear sub-frame 12, and the compartment is used for storage.

[0066] refer to Figure 5 and Figure 7 The frame also includes a front sub-frame 11, which is installed at the front end of the main frame 13 and located above the main frame 13; the all-terrain vehicle also includes a left front rocker arm assembly 51, a right front rocker arm assembly 52, a left front wheel, a right front wheel and a front stabilizer bar 31, the inner end of the left front rocker arm assembly 51 is pivotally connected to the front sub-frame 11, and the outer end is rotationally connected to the left front wheel, the inner end of the right front rocker arm assembly 52 is pivotally connected to the front sub-frame 11, and the outer end is rotationally connected to the right front wheel; the front stabilizer bar 31 is C-shaped and is located in front of the front sub-frame 11, the C-shaped opening of the front stabilizer bar 31 faces rearward, the middle part of the front stabilizer bar 31 is rotationally connected to the front sub-frame 11, and the left and right ends of the front stabilizer bar 31 are respectively connected to the left front rocker arm assembly 51 and the right front rocker arm assembly 52. Through the above technical solution, the left front rocker arm assembly 51 can be used to transmit various forces acting on the left front wheel to the frame, while ensuring that the left front wheel can jump up and down and turn relative to the frame within a limited range; similarly, the right front rocker arm assembly 52 can be used to transmit various forces acting on the right front wheel to the body, while ensuring that the right front wheel can jump up and down and turn relative to the frame within a limited range, and the C-shaped front stabilizer bar 31 connected to the two rocker arm assemblies can improve the vehicle's anti-roll capability.

[0067] For further reference, Figure 5 and Figure 7The left front rocker arm assembly 51 includes a left front upper rocker arm 511 and a left front lower rocker arm 512, the right front rocker arm assembly 52 includes a right front upper rocker arm 521 and a right front lower rocker arm 522, and the all-terrain vehicle also includes a left steering knuckle 81 and a right steering knuckle 82; the left front wheel is mounted on the left steering knuckle 81, the upper end of the left steering knuckle 81 is rotationally connected to the left front upper rocker arm 511 through a ball pin, and the lower end is rotationally connected to the left front lower rocker arm 512 through a ball pin; the right front wheel is mounted on the left steering knuckle 81, the upper end of the right steering knuckle 82 is rotationally connected to the right front upper rocker arm 521 through a ball pin, and the lower end is rotationally connected to the right front lower rocker arm 522 through a ball pin. In this way, the left steering knuckle 81 can drive the left front wheel to steer when driven by the steering system of the all-terrain vehicle, and at the same time, under the restriction of the left front rocker arm assembly 51, the left front wheel can rotate within the limit range relative to the left front rocker arm assembly 51; similarly, the right steering knuckle 82 can drive the right front wheel to steer when driven by the steering system of the all-terrain vehicle, and at the same time, under the restriction of the right front rocker arm assembly 52, the right front wheel can rotate within the limit range relative to the left front rocker arm assembly 51.

[0068] refer to Figure 7 In a possible implementation, the all-terrain vehicle may further include a left front shock absorber 61 and a right front shock absorber 62. The upper end of the left front shock absorber 61 is connected to the front sub-frame 11, and the lower end is connected to the left front rocker arm assembly 51, so as to play a role of buffering and shock absorption between the left front wheel and the frame. Similarly, the upper end of the right front shock absorber 62 is connected to the front sub-frame 11, and the lower end is connected to the right front rocker arm assembly 52, so as to play a role of buffering and shock absorption between the right front wheel and the frame. Specifically, the lower end of the left front shock absorber 61 may be connected to the left front upper rocker arm 511, and the lower end of the right front shock absorber 62 may be connected to the right front upper rocker arm 521.

[0069] In one example, reference Figure 7 , Fig.11 and Fig.12 The all-terrain vehicle further includes a left front ball pin assembly 71 and a right front ball pin assembly 72. One end of the left front ball pin assembly 71 is connected to the front stabilizer bar 31, and the other end is connected to the left front rocker arm assembly 51. One end of the right front ball pin assembly 72 is connected to the front stabilizer bar 31, and the other end is connected to the right front rocker arm assembly 52. ​​In this way, by setting the left front ball pin assembly 71, the rotation connection between the front stabilizer bar 31 and the left front rocker arm assembly 51 is realized; by setting the right front ball pin assembly 72, the rotation connection between the front stabilizer bar 31 and the right front rocker arm assembly 52 is realized. Specifically, the left rear ball pin assembly 73 can be connected between the left end of the rear stabilizer bar 32 and the left rear lower rocker arm 532, and the right rear ball pin assembly 74 can be connected between the right end of the rear stabilizer bar 32 and the right rear lower rocker arm 542.

[0070] refer to Fig.11 and Fig.12 The all-terrain vehicle includes two front connection structures 41 spaced apart in the left-right direction, the front stabilizer bar 31 is rotatably connected to the front sub-frame 11 through the front connection structures 41, and the front connection structure 41 includes a front buffer 422, which is sleeved on the front stabilizer bar 31. Through this technical solution, the front stabilizer bar 31 can be stably rotatably connected to the front sub-frame 11 through the two front connection structures 41, and the front buffer 422 can play a buffering and shock-absorbing role at the rotation connection between the front stabilizer bar 31 and the front sub-frame 11, and reduce noise.

[0071] In one example, reference Fig.12 The front connection structure 41 may include a front mounting seat 411, which is mounted on the front sub-frame 11 and has a through hole. The front buffer 422 may be a rubber sleeve that can be sleeved on the outside of the front stabilizer bar 31. The rubber sleeve can be sleeved on the outside of the front stabilizer bar 31 in direct contact and penetrate the through hole of the front mounting seat 411. In this way, the front stabilizer bar 31 and the front mounting seat 411 are rotatably connected, and the rubber sleeve that can play a buffering role is located between the front stabilizer bar 31 and the front mounting seat 411 to play a shock absorbing role.

[0072] It should be noted that, unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present application. The terms used herein in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application.

[0073] It should be noted that although the specific embodiments of the present application are described in detail in conjunction with the accompanying drawings, this should not be construed as limiting the scope of protection of the present application. Within the scope described in the claims, various modifications and variations that can be made by those skilled in the art without creative work still fall within the scope of protection of the present application.

[0074] The examples of the embodiments of the present application are intended to concisely illustrate the technical features of the embodiments of the present application so that those skilled in the art can intuitively understand the technical features of the embodiments of the present application, and are not intended to be improper limitations of the embodiments of the present application.

[0075] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An all-terrain vehicle, characterized in that: The all-terrain vehicle comprises: A vehicle frame, comprising a main frame (13); An engine (21) is mounted on the vehicle frame and is located above the main frame (13); A front axle (22), both ends of which are drivingly connected to the front wheels and are located above the main frame (13); A rear axle (23), both ends of which are drivingly connected to the rear wheels and are located above the main frame (13); The bottom plane (M) is a virtual plane extending in the front-to-back direction and perpendicular to the up-down direction. The bottom plane is located below the main frame (13). The vertical distance between the center point A of the output shaft of the front axle (22) and the bottom plane is L1. The vertical distance between the center point C of the output shaft of the rear axle (23) and the bottom plane is L2. The vertical distance between the center point B of the crankshaft of the engine (21) and the bottom plane is L3. 0.31≤L1 / L3≤0.86; 0.26≤L2 / L3≤0.

81.

2. The all-terrain vehicle according to claim 1, characterized in that: The all-terrain vehicle also includes a seat (14) located in the cockpit, wherein the seat (14) is mounted on the main frame (13) and is located above the main frame (13), and the engine (21) is located behind the seat (14).

3. The all-terrain vehicle according to claim 2, characterized in that: The all-terrain vehicle comprises a front transmission shaft (24) connected between an engine (21) and a front axle (22); the seat (14) comprises a main driving seat cushion (141), a co-driving seat cushion (142) and a support (143); the main driving seat cushion (141) and the co-driving seat cushion (142) are both mounted on the support (143); the support (143) comprises a first leg (1431) and a second leg (1432) spaced apart in a left-right direction; the lower end of the first leg (1431) and the lower end of the second leg (1432) are both connected to the main frame (13); The first leg (1431) is located below the main driver's seat (141), the second leg (1432) is located below the co-driver's seat (142), the front transmission shaft (24) is located below the co-driver's seat (142), and the front transmission shaft (24) is located between the first leg (1431) and the second leg (1432) in the left-right direction.

4. The all-terrain vehicle according to claim 3, characterized in that: The main frame (13) comprises a longitudinal beam (133), a first cross bar (131) and a second cross bar (132); the longitudinal beam (133) and the second cross bar (132) are vertically connected; the first cross bar (131) and the second cross bar (132) both extend in the left-right direction; the first cross bar (131) and the second cross bar (132) are parallelly spaced and distributed in the front-back direction; the two first cross bars (131) are respectively connected to the left and right sides of the longitudinal beam (133); the front end and the rear end of the first supporting leg (1431) are respectively connected to the first cross bar (131) and the second cross bar (132); the front end and the rear end of the second supporting leg (1432) are respectively connected to the first cross bar (131) and the second cross bar (132).

5. The all-terrain vehicle according to claim 1, characterized in that: The frame also includes a rear sub-frame (12), which is mounted at the rear end of the main frame (13) and is located above the main frame (13); the frame also includes a rear sub-frame (12), which is mounted at the rear end of the main frame (13) and is located above the main frame (13); the all-terrain vehicle also includes a left rear wheel, a right rear wheel, a left rear swing arm assembly (53), a right rear swing arm assembly (54) and a rear stabilizer bar (32), wherein the inner end of the left rear swing arm assembly (53) and the rear sub-frame (12) are pivotally connected. The rear stabilizer bar (32) is connected to the main frame (13), the outer end of the rear stabilizer bar (32) is rotationally connected to the left rear wheel, the inner end of the right rear swing arm assembly (54) is pivotally connected to the rear sub-frame (12), and the outer end is rotationally connected to the right rear wheel; the rear stabilizer bar (32) is C-shaped and the C-shaped opening faces rearward, the rear stabilizer bar (32) is located behind the engine (21), the middle part of the rear stabilizer bar (32) is rotationally connected to the main frame (13), and the left and right ends of the rear stabilizer bar (32) are respectively connected to the left rear swing arm assembly (53) and the right rear swing arm assembly (54).

6. The all-terrain vehicle according to claim 5, characterized in that: The all-terrain vehicle comprises two rear connection structures (42) spaced apart in the left-right direction, the rear stabilizer bar (32) is rotatably connected to the main frame (13) via the rear connection structure (42), and the rear connection structure (42) comprises a rear buffer (422), which is sleeved on the rear stabilizer bar (32).

7. The all-terrain vehicle according to claim 5, characterized in that: The upper surface of the rear sub-frame (12) is higher than the upper end of the engine (21), and the all-terrain vehicle also includes a compartment installed above the rear sub-frame (12), and the compartment is used for storing items.

8. The all-terrain vehicle according to claim 1, characterized in that: The frame further comprises a front sub-frame (11), wherein the front sub-frame (11) is mounted at the front end of the main frame (13) and is located above the main frame (13); the all-terrain vehicle further comprises a left front rocker arm assembly (51), a right front rocker arm assembly (52), a left front wheel, a right front wheel and a front stabilizer bar (31), wherein the inner end of the left front rocker arm assembly (51) is pivotally connected to the front sub-frame (11), and the outer end is rotationally connected to the left front wheel, and the right front rocker arm assembly (52) is rotationally connected to the left front wheel. ) has an inner end pivotally connected to the front sub-frame (11), and an outer end rotationally connected to the right front wheel; the front stabilizer bar (31) is C-shaped and located in front of the front sub-frame (11), the C-shaped opening of the front stabilizer bar (31) faces rearward, the middle part of the front stabilizer bar (31) is rotationally connected to the front sub-frame (11), and the left and right ends of the front stabilizer bar (31) are respectively connected to the left front rocker arm assembly (51) and the right front rocker arm assembly (52).

9. The all-terrain vehicle according to claim 8, characterized in that: The all-terrain vehicle may further include a left front shock absorber (61) and a right front shock absorber (62), wherein the upper end of the left front shock absorber (61) is connected to the front sub-frame (11), and the lower end is connected to the left front rocker arm assembly (51); the upper end of the right front shock absorber (62) is connected to the front sub-frame (11), and the lower end is connected to the right front rocker arm assembly (52).

10. The all-terrain vehicle according to claim 8, characterized in that: The all-terrain vehicle comprises two front connection structures (41) spaced apart in the left-right direction, the front stabilizer bar (31) is rotatably connected to the front sub-frame (11) via the front connection structure (41), and the front connection structure (41) comprises a front buffer component (412), which is sleeved on the front stabilizer bar (31).

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