All-terrain vehicle

Abstract

The utility model provides an all-terrain vehicle. The all-terrain vehicle comprises a vehicle frame; the suspension mechanism is connected with the frame; the wheel system is connected to the suspension mechanism; the transmission mechanism is at least partially arranged on the suspension mechanism and is connected with the wheel system; at least part of the driving mechanism is arranged on the vehicle frame and connected with the transmission mechanism, and the driving mechanism transmits power to the wheel system through the transmission mechanism so that the all-terrain vehicle can run; the transmission mechanism comprises a constant-speed half shaft and a transmission shaft, wherein the constant-speed half shaft is provided with a mounting groove; the hub mounting bracket is connected with the wheel system, a through groove is formed in the hub mounting bracket, the through groove at least partially accommodates the constant-speed half shaft, and the hub mounting bracket is arranged on the constant-speed half shaft in a sleeving manner; the mounting bolt comprises a head part and a threaded part, the head part is connected with the threaded part, and the threaded part is contained in the mounting groove; the head portion abuts against the hub mounting bracket to limit relative movement of the constant-speed half axle and the hub mounting bracket.

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] When the drive mechanism of an all-terrain vehicle is in operation, it transmits power to the vehicle's wheels via a transmission mechanism. The transmission mechanism may include a constant velocity axle and a wheel hub mounting bracket. The constant velocity axle may be fixedly connected to the wheel hub mounting bracket, and the wheel hub mounting bracket may be fixedly connected to the wheel hub. When the drive mechanism is in operation, power is transmitted to the transmission mechanism, causing the constant velocity axle to rotate, which in turn drives the wheel hub mounting bracket, the wheel hub, and the wheel connected to the wheel hub to rotate synchronously, enabling the all-terrain vehicle to travel.

[0003] The constant velocity axle is connected to the wheel hub mounting bracket via an external ball cage on the output end, which is provided with splines and external threads. During installation, the wheel hub mounting bracket first mates with the splines of the external ball cage, then is fitted over the output end of the constant velocity axle. Finally, the slotted flange nut is threaded onto the external ball cage. The output end of the constant velocity axle also has a through hole radially extending along the axis of the axle. By aligning the grooves on the slotted flange nut with the through hole of the constant velocity axle, inserting a cotter pin through the grooves and through the through hole, and then expanding the open side of the cotter pin, the constant velocity axle and the wheel hub mounting bracket can be securely connected. Currently, even when tightening the slotted flange nut to a predetermined torque, it is difficult to align any of the grooves on the slotted flange nut with the through hole of the constant velocity axle, making assembly of the transmission mechanism inconvenient. Utility Model Content

[0004] The embodiments of the present application provide an all-terrain vehicle, the transmission mechanism of which has a simple structure and is easy to assemble.

[0005] An embodiment of the present application provides an all-terrain vehicle, comprising: a frame; a suspension mechanism connected to the frame; a wheel system connected to the suspension mechanism; a transmission mechanism, at least partially arranged on the suspension mechanism and connected to the wheel system; a drive mechanism, at least partially arranged on the frame and connected to the transmission mechanism, the drive mechanism transmits power to the wheel system through the transmission mechanism, so that the all-terrain vehicle can travel; the transmission mechanism comprises: a constant velocity half-shaft, the constant velocity half-shaft is provided with a mounting groove; a wheel hub mounting bracket, the wheel hub mounting bracket is connected to the wheel system, the wheel hub mounting bracket is provided with a through groove, the through groove at least partially accommodates the constant velocity half-shaft, and the wheel hub mounting bracket is sleeved on the constant velocity half-shaft; a mounting bolt, the mounting bolt comprises a head and a threaded portion, the head is connected to the threaded portion, and the threaded portion is accommodated in the mounting groove; the head abuts against the wheel hub mounting bracket to limit the relative movement of the constant velocity half-shaft and the wheel hub mounting bracket.

[0006] Optionally, an anti-loosening groove is provided on a side of the head facing the threaded portion.

[0007] Optionally, the transmission mechanism also includes: a gasket, which is annular, with an inner diameter greater than the diameter of the threaded portion and smaller than the diameter of the head; an outer diameter of the gasket is greater than or equal to the diameter of the head; the gasket is arranged between the head and the wheel hub mounting bracket, and abuts against the wheel hub mounting bracket and the head, and the threaded portion is passed through the gasket.

[0008] Optionally, a first groove is formed on a side of the hub mounting bracket facing the wheel system, the first groove is communicated with the through groove, and the head is received in the first groove.

[0009] Optionally, a plurality of hub screws are provided on a side of the hub mounting bracket facing the wheel system, and the plurality of hub screws are arranged at intervals along the circumferential direction.

[0010] Optionally, a plurality of second grooves are formed on a side of the wheel hub mounting bracket facing the wheel system. The plurality of second grooves are arranged at intervals along the circumferential direction, and each second groove is arranged between two adjacent wheel hub screws.

[0011] Optionally, a plurality of hub screws and a plurality of second grooves are provided on the side of the hub mounting bracket facing the wheel system, the plurality of hub screws are arranged at intervals along the circumferential direction, the plurality of second grooves are arranged at intervals along the circumferential direction, and each second groove is arranged between two adjacent hub screws; the plurality of hub screws and the plurality of second grooves are all arranged around the first groove.

[0012] Optionally, the wheel hub mounting bracket includes: an inner ring member, which is sleeved on the constant velocity half-shaft and abuts against the head, the inner ring member is connected to the wheel system, and a through groove is provided on the inner ring member; an outer ring member, which is connected to the suspension mechanism and sleeved on the inner ring member, and the outer ring member is rotatably connected to the inner ring member.

[0013] Optionally, a first through hole is provided on the inner ring member, and the first through hole partially accommodates the first bolt; the all-terrain vehicle further comprises: a brake disc, which is threadedly connected to the first bolt to be connected to the inner ring member through the first bolt.

[0014] Optionally, a second through hole is provided on the outer ring member, the second through hole partially accommodates a second bolt, and the second bolt is threadedly connected to the steering knuckle of the suspension mechanism.

[0015] In the all-terrain vehicle provided by the embodiments of the present application, a constant velocity axle is provided with a mounting slot, and a wheel hub mounting bracket is provided with a through slot, the through slot at least partially accommodating the constant velocity axle, and the wheel hub mounting bracket is sleeved on the constant velocity axle. A mounting bolt includes a head and a threaded portion, the threaded portion being accommodated in the mounting slot; the head abuts against the wheel hub mounting bracket to restrict relative movement of the constant velocity axle and the wheel hub mounting bracket. A worker can securely connect the constant velocity axle to the wheel hub mounting bracket by tightening the mounting bolt, thereby reducing the number of connection steps between the constant velocity axle and the wheel hub mounting bracket and improving the ease of assembly of the transmission mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Schematic diagram of the structure of an all-terrain vehicle in an embodiment of the present application.

[0017] Figure 2 It is a partial cross-sectional view of the transmission mechanism in the embodiment of the present application.

[0018] Figure 3 This is a schematic diagram of the structure of installing bolts in an embodiment of the present application.

[0019] Figure 4 It is a partial structural diagram of the transmission mechanism in the embodiment of the present application. DETAILED DESCRIPTION

[0020] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0021] The term "multiple" involved in the description of the embodiments of the present application refers to two or more.

[0022] In the description of the embodiments of this application, words such as "exemplary" or "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of this application should not be construed as being preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "for example" is intended to present the relevant concepts in a concrete manner.

[0023] Please refer to Figure 1 , Figure 1 An all-terrain vehicle 100 provided in an embodiment of the present application is shown. The all-terrain vehicle 100, also known as an all-terrain four-wheel off-road vehicle, can travel in harsh and complex terrains such as beaches, riverbeds, forest roads, streams, and deserts to carry people and transport supplies.

[0024] In one embodiment, the all-terrain vehicle 100 includes a frame 11, a suspension mechanism 12, a wheel system 13, a driving mechanism (not shown), a braking mechanism (not shown), and a transmission mechanism 14 ( Figure 2 In the embodiment of the present application, the structure of the vehicle frame 11 is not specifically limited.

[0025] The suspension mechanism 12 can be mounted on the vehicle frame 11. The drive mechanism can be at least partially mounted on the vehicle frame 11. The transmission mechanism 14 is partially mounted on the suspension mechanism 12 and partially mounted on the vehicle frame 11. The transmission mechanism 14 is connected to the drive mechanism. The wheel system 13 is mounted on the transmission mechanism 14. When the drive mechanism is in operation, it can drive the transmission mechanism 14 to move. The transmission mechanism 14 can transmit the power generated by the drive mechanism to the wheel system 13, causing the wheel system 13 to rotate synchronously, thereby enabling the all-terrain vehicle 100 to travel. The braking mechanism can inhibit the rotation of the wheel system 13.

[0026] It is understood that the wheel system 13 may include a hub (not shown) and a wheel (not shown), and the wheel may be mounted on the hub. The brake mechanism may include a brake disc (not shown). Both the hub and the brake disc may be connected to the transmission mechanism 14.

[0027] In the embodiment of the present application, there is no specific limitation on the type of the driving mechanism, that is, there is no specific limitation on the energy type of the all-terrain vehicle 100. For example, the driving mechanism can be a fuel engine, an electric motor, or a hybrid engine.

[0028] Please also refer to Figure 2 In some embodiments, the transmission mechanism 14 may include a constant velocity axle 141, a wheel hub mounting bracket 142, and a mounting bolt 143. The constant velocity axle 141 and the wheel hub mounting bracket 142 are both mounted on the suspension mechanism 12. An output end is provided on the constant velocity axle 141, and a mounting groove 1411 is provided on the output end. A through groove 1421a is provided in the middle of the wheel hub mounting bracket 142. The output end of the constant velocity axle 141 is provided with a through groove 1421a in the axial direction of the constant velocity axle 141. The through groove 1421a at least partially accommodates the constant velocity axle 141, so that the wheel hub mounting bracket 142 is sleeved on the output end of the constant velocity axle 141. The constant velocity axle 141 is coaxially connected to the wheel hub mounting bracket 142. The through groove 1421a can be connected to the mounting groove 1411.

[0029] Please also refer to Figure 3 The mounting bolt 143 may include a threaded portion 1431 and a head 1432. The head 1432 is fixedly connected to one end of the threaded portion 1431, and the diameter of the head 1432 is larger than the diameter of the threaded portion 1431. The threaded portion 1431 may be received in the mounting groove 1411 and threadedly connected to the mounting groove 1411. The head 1432 may abut against the wheel hub mounting bracket 142 on the side of the constant velocity half shaft 141 that faces away from the transmission mechanism 14 in the axial direction. The wheel hub and the brake disc may both be fixedly mounted on the side of the wheel hub mounting bracket 142 that faces away from the transmission mechanism 14, and the wheel hub and the brake disc may be spaced apart in the axial direction of the constant velocity half shaft 141.

[0030] It is understood that the axial direction of the constant velocity half shaft 141 and the hub mounting bracket 142 can be defined as the connection direction. For example, the connection direction can be Figure 2 The X direction is shown.

[0031] In the embodiments of the present application, the fixing method during the fixed connection and fixed installation is not specifically limited. For example, the fixing method can be, but is not limited to, key connection fixing, screw fixing, bolt fixing, welding fixing, integral molding fixing, etc.

[0032] For example, the output end of the constant velocity half shaft 141 is cylindrical, and an external spline is provided on the peripheral wall of the output end, and an internal spline is provided on the inner wall of the through groove 1421a. The output end and the hub mounting bracket 142 are coaxially connected through the spline connection.

[0033] It can be understood that the spline connection between the output end of the constant velocity axle 141 and the wheel hub mounting bracket 142 can achieve relative fixation of the constant velocity axle 141 and the wheel hub mounting bracket 142 in a direction surrounding the constant velocity axle 141, and the threaded connection between the mounting bolt 143 and the mounting slot 1411 can achieve relative fixation of the constant velocity axle 141 and the wheel hub mounting bracket 142 in the connection direction, thereby achieving a fixed connection between the constant velocity axle 141 and the wheel hub mounting bracket 142. Compared to the prior art solution in which the wheel hub mounting bracket 142 first mates with the spline on the output end of the constant velocity axle 141, then a slotted flange nut is threaded onto the output end, the groove in the slotted flange nut is aligned with the through hole in the circumferential wall of the constant velocity axle 141, and a cotter pin is passed through the groove and through hole to connect the constant velocity axle 141 to the wheel hub mounting bracket 142, the transmission mechanism 14 provided in the actual example of the present application can simplify the process of connecting the constant velocity axle 141 and the wheel hub mounting bracket 142. The operator can securely connect the constant velocity axle 141 to the hub mounting bracket 142 by simply tightening the mounting bolts 143. This eliminates the need to tighten the flange nut to a preset torque and then rotate the flange nut to align the flange nut's groove with the through hole of the constant velocity axle 141. It also eliminates the need to insert a cotter pin into the through hole and then unfold the cotter pin's open side. This improves the ease of assembly of the transmission mechanism 14.

[0034] It is understood that the transmission mechanism 14 may also include other mechanisms, such as a gearbox, a drive shaft, a speed reducer, etc. The embodiments of this application do not limit the specific structure of the transmission mechanism 14. For example, the constant velocity axle 141 can be connected to the drive mechanism through the speed reducer, the drive shaft, and the gearbox in sequence, so that when the drive mechanism is in operation, it can drive the constant velocity axle 141 to rotate, thereby causing at least a portion of the wheel hub mounting bracket 142 and the wheel assembly to rotate simultaneously, enabling the all-terrain vehicle 100 to travel.

[0035] In some embodiments, thread sealant may be applied to the threaded portion 1431 to improve the firmness of the connection between the threaded portion 1431 and the internal thread in the mounting groove 1411 and reduce the probability of the mounting bolt 143 falling off from the constant velocity half shaft 141 and the hub mounting bracket 142 .

[0036] In some embodiments, the transmission mechanism 14 may further include a gasket 144. The gasket 144 is annular, and the inner diameter of the gasket 144 is larger than the diameter of the threaded portion 1431 and smaller than the diameter of the head 1432. The outer diameter of the gasket 144 is larger than or equal to the diameter of the head 1432. The gasket 144 can be arranged on the side of the wheel hub mounting bracket 142 abutted by the head 1432. The threaded portion 1431 can be penetrated by the gasket 144 to enter the mounting groove 1411, and the head 1432 can abut against the gasket 144 and press the gasket 144 against the wheel hub mounting bracket 142. In the embodiments of the present application, "abutment" refers to direct or indirect abutment, which only indicates the relationship of force.

[0037] In other embodiments, the transmission mechanism 14 does not include the washer 144, and a locking groove 1432a is formed on the side where the head 1432 connects to the threaded portion 1431. When the mounting bolt 143 is tightened, the locking groove 1432a abuts against the hub mounting bracket 142, increasing friction between the head 1432 and the hub mounting bracket 142 and reducing the probability of the mounting bolt 143 falling off the constant velocity axle 141 and the hub mounting bracket 142.

[0038] In the embodiment of the present application, the shape of the anti-loosening pattern 1432a is not specifically limited. For example, the anti-loosening pattern 1432a can be in a stepped shape.

[0039] Please also refer to Figure 4 In some embodiments, the hub mounting bracket 142 may include an inner ring member 1421 and an outer ring member 1422. A through slot 1421a may be defined in the inner ring member 1421, extending through the inner ring member 1421 along the connection direction. The outer ring member 1422 is annular and sleeved onto the inner ring member 1421. The inner ring member 1421 is rotatably connected to the outer ring member 1422.

[0040] A first groove 1421b is defined in the middle of the inner ring 1421, facing away from the constant velocity half-shaft 141. This first groove 1421b corresponds to and communicates with the through groove 1421a. The head 1432 of the mounting bolt 143 is receivable within the first groove 1421b and abuts against the inner wall of the first groove 1421b.

[0041] Multiple hub screws 1421c are fixedly connected to the inner ring member 1421 near the edge on the side facing away from the constant velocity half-shaft 141. Multiple second grooves 1421d are defined within the inner ring member 1421. The hub screws 1421c extend along the connection direction. The hub screws 1421c are spaced apart circumferentially, and the second grooves 1421d are spaced apart circumferentially. The hub screws 1421c are arranged to avoid the second grooves 1421d. The hub screws 1421c can be fixedly connected to the wheel hub, thereby achieving a fixed connection between the wheel hub and the wheel hub mounting bracket 142.

[0042] The inner ring member 1421 is also formed with a plurality of first through-holes 1421e. These first through-holes 1421e extend through the inner ring member 1421 along the connection direction. These first through-holes 1421e can communicate with the plurality of second grooves 1421d, respectively. Each first through-hole 1421e can partially accommodate a first bolt (not shown). These first bolts can be threadedly engaged with the brake disc, thereby securing the brake disc to the wheel hub mounting bracket 142.

[0043] A second through-hole 1422a is defined in the outer ring member 1422, extending through the outer ring member 1422 along the connection direction. Second through-hole 1422a can partially accommodate a second bolt (not shown). This second bolt can be threadedly engaged with the steering knuckle (not shown) of the suspension mechanism 12, thereby connecting the wheel hub mounting bracket 142 to the suspension mechanism.

[0044] It is understood that the direction around the constant velocity semi-axis 141 can be defined as the circumferential direction. For example, the circumferential direction can be Figure 4 Y direction shown.

[0045] It is understood that the first groove 1421b can be provided in the middle of the hub mounting bracket 142, and the hub screw 1421c and the second groove 1421d can be provided near the edge of the hub mounting bracket 142. Multiple hub screws 1421c and multiple second grooves 1421d can be provided around the first groove 1421b.

[0046] It is understood that the rotational connection can be achieved through a rotating connector, a connection method that allows two components to rotate relative to each other. In the embodiments of this application, the type of rotating connector is not specifically limited. For example, the rotating connector can be, but is not limited to, a bearing, a pin, a hinge, or the like. Exemplarily, outer ring 1422 is mounted on inner ring 1421 via a bearing sleeve, achieving a relative rotational connection with inner ring 1421.

[0047] It can be understood that the provision of first groove 1421b and second groove 1421d can reduce the manufacturing material and weight of inner ring member 1421, thereby saving costs and increasing the lightweighting of wheel hub mounting bracket 142. The avoidance arrangement of second groove 1421d and wheel hub screw 1421c can achieve lightweighting of wheel hub mounting bracket 142 while allowing the wheel hub to be positioned on inner ring member 1421 via the surface of inner ring member 1421 provided with wheel hub screw 1421c, thereby facilitating wheel hub installation.

[0048] In the embodiment of the present application, the distribution of the second grooves 1421d and the hub screws 1421c is not specifically limited. For example, a second groove 1421d may be provided between every two adjacent hub screws 1421c, and a hub screw 1421c may be provided between every two adjacent second grooves 1421d.

[0049] It will be appreciated that inner ring 1421 and outer ring 1422 are rotatable relative to each other, so that when constant velocity axle 141 rotates under the drive mechanism, inner ring 1421 can rotate synchronously, thereby causing the wheel hub and wheel to rotate synchronously, enabling the all-terrain vehicle 100 to travel. When inner ring 1421 rotates synchronously with constant velocity axle 141, outer ring 1422 does not rotate.

[0050] The ATV 100 may also include a steering gear (not shown), which may be connected to the steering knuckle of the suspension mechanism 12 via a steering tie rod (not shown). When the steering gear drives the steering tie rod, the steering knuckle and outer ring 1422 rotate, with the rotation axis of the outer ring 1422 intersecting with the rotation axis of the constant velocity axle 141. At this point, the inner ring 1421 and the constant velocity axle 141 can rotate synchronously in the same direction as the outer ring 1422, thereby steering the wheel hub and wheel, and ultimately steering the ATV 100.

[0051] Through the all-terrain vehicle 100 provided by the embodiment of the present application, the spline connection between the output end of the constant velocity half-shaft 141 and the wheel hub mounting bracket 142 can achieve relative fixation of the constant velocity half-shaft 141 and the wheel hub mounting bracket 142 in the circumferential direction, and the threaded connection between the mounting bolt 143 and the mounting groove 1411 can achieve relative fixation of the constant velocity half-shaft 141 and the wheel hub mounting bracket 142 in the connection direction, thereby achieving a fixed connection between the constant velocity half-shaft 141 and the wheel hub mounting bracket 142.

[0052] The staff can complete the fixed connection between the constant velocity half shaft 141 and the hub mounting bracket 142 by tightening the mounting bolts 143, which can reduce the connection process of the constant velocity half shaft 141 and the hub mounting bracket 142 and improve the convenience of assembling the transmission mechanism 14.

[0053] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.

Claims

1. An all-terrain vehicle comprising: Frame; a suspension mechanism connected to the vehicle frame; a wheel system connected to the suspension mechanism; a transmission mechanism, the transmission mechanism being at least partially disposed on the suspension mechanism and connected to the wheel system; a driving mechanism, the driving mechanism being at least partially disposed on the vehicle frame and connected to the transmission mechanism; It is characterized in that the transmission mechanism includes: A constant velocity half shaft, wherein the constant velocity half shaft is provided with a mounting groove; a wheel hub mounting bracket, the wheel hub mounting bracket being connected to the wheel system, the wheel hub mounting bracket being provided with a through slot, the through slot at least partially accommodating the constant velocity axle, the wheel hub mounting bracket being sleeved on the constant velocity axle; A mounting bolt includes a head and a threaded portion, wherein the head is connected to the threaded portion and the threaded portion is received in the mounting groove; the head abuts against the wheel hub mounting bracket to limit the relative movement of the constant velocity axle and the wheel hub mounting bracket.

2. The all-terrain vehicle according to claim 1, wherein: An anti-loosening groove is provided on one side of the head facing the threaded portion.

3. The all-terrain vehicle according to claim 1, wherein: The transmission mechanism also includes: a gasket, which is annular, and the inner diameter of the gasket is larger than the diameter of the threaded portion and smaller than the diameter of the head; the outer diameter of the gasket is larger than or equal to the diameter of the head; the gasket is arranged between the head and the wheel hub mounting bracket, and abuts against the wheel hub mounting bracket and the head, and the threaded portion passes through the gasket.

4. The all-terrain vehicle according to claim 1, wherein: A first groove is formed on a side of the hub mounting bracket facing the wheel system. The first groove is communicated with the through groove, and the head is received in the first groove.

5. The all-terrain vehicle according to claim 4, wherein: The side of the wheel hub mounting bracket facing the wheel system is provided with multiple hub screws and multiple second grooves, the multiple hub screws are arranged at intervals along the circumferential direction, the multiple second grooves are arranged at intervals along the circumferential direction, and each second groove is arranged between two adjacent hub screws; the multiple hub screws and multiple second grooves are all arranged around the first groove.

6. The all-terrain vehicle according to claim 1, wherein: A plurality of hub screws are provided on a side of the hub mounting bracket facing the wheel system, and the plurality of hub screws are arranged at intervals along the circumferential direction.

7. The all-terrain vehicle according to claim 6, wherein: A plurality of grooves are formed on a side of the wheel hub mounting bracket facing the wheel system. The plurality of grooves are arranged at intervals along the circumferential direction, and each of the grooves is arranged between two adjacent wheel hub screws.

8. The all-terrain vehicle according to claim 1, wherein: The wheel hub mounting bracket comprises: an inner ring member, the inner ring member being sleeved on the constant velocity half shaft and abutting against the head portion, the inner ring member being connected to the wheel system, and the through groove being formed on the inner ring member; An outer ring member is connected to the suspension mechanism and sleeved on the inner ring member. The outer ring member is rotatably connected to the inner ring member.

9. The all-terrain vehicle according to claim 8, wherein: The inner ring member is provided with a first through hole, and the first through hole partially accommodates a first bolt; the all-terrain vehicle further comprises a brake disc, and the brake disc is threadedly connected to the first bolt to be connected to the inner ring member through the first bolt.

10. The all-terrain vehicle according to claim 9, wherein: The outer ring member is provided with a second through hole, the second through hole partially accommodates a second bolt, and the second bolt is threadedly connected to the steering knuckle of the suspension mechanism.

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