CN215321842U - Suspension assembly and all-terrain vehicle with same - Google Patents

Abstract

The utility model discloses a suspension assembly and an all-terrain vehicle. The suspension assembly comprises a suspension control arm, a connecting shaft, a liner tube, a first buffer sleeve, a second buffer sleeve, a first dustproof cover and a second dustproof cover, wherein the suspension control arm is provided with a tube part, the liner tube is sleeved on the connecting shaft in a relatively non-rotatable manner, the first end of the liner tube is arranged at the first end of the first buffer sleeve, a first oil storage gap is arranged between the inner peripheral surface of the first buffer sleeve and the outer peripheral surface of the liner tube, the second end of the liner tube is arranged at the second buffer sleeve, a second oil storage gap is arranged between the inner peripheral surface of the second buffer sleeve and the outer peripheral surface of the liner tube, the tube part is sleeved on the first buffer sleeve and the second buffer sleeve in a sealing manner, the first dustproof cover is arranged at the first end of the connecting shaft, and the second dustproof cover is arranged at the second end of the connecting shaft. The suspension assembly provided by the utility model avoids the loss of lubricating oil and delays the abrasion of the buffer sleeve.

Description

Suspension assembly and all-terrain vehicle with same

Technical Field

The utility model relates to the technical field of all-terrain vehicles, in particular to a suspension assembly and an all-terrain vehicle with the same.

Background

The suspension control arm of the vehicle is rotatably connected with the frame, and a buffer sleeve, a pin shaft (bolt) and the like are arranged at the joint of the suspension control arm and the frame. The suspension control arm is provided with a through hole, the pin shaft and the buffer sleeve are matched in the through hole of the suspension control arm, and the buffer sleeve is sleeved on the periphery of the pin shaft. In the correlation technique, the vehicle often can appear hanging control arm when using and become flexible, abnormal sound scheduling problem, this one side can reduce the driving experience, and on the other hand still can cause the vehicle trouble, can even cause the incident when serious.

SUMMERY OF THE UTILITY MODEL

The present invention is based on the discovery and recognition by the inventors of the following facts and problems:

in the related technology, lubricating oil is filled between the buffer sleeve and the pin shaft, and during the use of the all-terrain vehicle, the lubricating oil is easy to run off, so that the friction action between the buffer sleeve and the pin shaft is increased, the buffer sleeve is greatly worn and consumed, the assembly compactness of the worn buffer sleeve is reduced, and the problems of looseness and abnormal sound of the suspension control arm are caused.

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.

Therefore, the embodiment of the utility model provides the suspension assembly which is good in sealing performance, prevents lubricating oil from being quickly lost, enables the buffer sleeve to operate under the action of small friction, delays the abrasion of the buffer sleeve and ensures the continuous and stable operation of the all-terrain vehicle.

Embodiments of the present invention also provide an all terrain vehicle having the suspension assembly described above.

A suspension assembly according to an embodiment of the utility model comprises: a suspension control arm provided with a tube portion; a connecting shaft; the lining pipe is sleeved on the connecting shaft; the first buffer sleeve is sleeved at the first end of the liner tube, a first oil storage gap is formed between the inner circumferential surface of the first buffer sleeve and the outer circumferential surface of the liner tube, the second buffer sleeve is sleeved at the second end of the liner tube, a second oil storage gap is formed between the inner circumferential surface of the second buffer sleeve and the outer circumferential surface of the liner tube, and the tube part is sleeved on the first buffer sleeve and the second buffer sleeve; first shield and second shield, first shield is established the first end of connecting axle is in order to shelter from first cushion collar with the sealed cooperation department of bushing pipe, the second shield is established the second end of connecting axle is in order to shelter from the second cushion collar with the sealed cooperation department of bushing pipe.

According to the suspension assembly provided by the embodiment of the utility model, the sealing performance of the suspension assembly is better, the rapid loss of lubricating oil is avoided, the buffer sleeve can run under the action of smaller friction, the abrasion of the buffer sleeve is delayed, and the continuous and stable running of the all-terrain vehicle is ensured.

In some embodiments, at least a portion of the first dust cover is in plug-in engagement with the first cushion collar and the first dust cover is rotatable relative to the first cushion collar, and at least a portion of the second dust cover is in plug-in engagement with the second cushion collar and the second dust cover is rotatable relative to the second cushion collar.

In some embodiments, the inner peripheral wall of the first buffer sleeve is provided with a first annular protrusion which abuts against the outer peripheral wall of the liner tube to seal the outer end of the first oil storage gap, and the inner peripheral wall of the second buffer sleeve is provided with a second annular protrusion which abuts against the outer peripheral wall of the liner tube to seal the outer end of the second oil storage gap.

In some embodiments, an outer periphery of an end portion of the first cushion collar, which is far away from the second cushion collar, is provided with a first flange, an outer periphery of an end portion of the second cushion collar, which is far away from the first cushion collar, is provided with a second flange, one end surface of the pipe portion abuts against the first flange, and the other end surface of the pipe portion abuts against the second flange.

In some embodiments, the inner end of the first cushion sleeve and the inner end of the second cushion sleeve are spaced apart from each other in the axial direction of the liner to form a circumferential oil reservoir that communicates with the first oil reservoir gap and the second oil reservoir gap.

In some embodiments, a first inner annular groove is formed on the outer end surface of the first cushion sleeve, the first inner annular groove extends inward along the axial direction of the first cushion sleeve, and a second inner annular groove is formed on the outer end surface of the second cushion sleeve, the second inner annular groove extends inward along the axial direction of the second cushion sleeve.

In some embodiments, the inner circumferential surface of the first buffer sleeve is provided with a first oil groove in the axial direction, which communicates with the first oil storage gap, and the inner circumferential surface of the second buffer sleeve is provided with a second oil groove in the axial direction, which communicates with the second oil storage gap.

In some embodiments, the first dust cap is provided with a first annular flange, the second dust cap is provided with a second annular flange, the outer end face of the first buffer sleeve is provided with a first outer annular groove along the axial direction, the outer end face of the second buffer sleeve is provided with a second outer annular groove along the axial direction, the first annular flange is fitted in the first outer annular groove, and the second annular flange is fitted in the second outer annular groove.

An all-terrain vehicle according to an embodiment of the utility model comprises a frame and the suspension assembly of any of the above embodiments, the frame having a first connection location and a second connection location, a first end of the connecting shaft being provided with a first stop, a second end of the connecting shaft passing through the first connection location and the second connection location, the first stop abutting the first connection location, the second end of the connecting shaft being provided with a second stop abutting the second connection location.

In some embodiments, the first stop member is integrally formed on the connecting shaft, and the second stop member is a nut threadedly engaged with the connecting shaft.

Drawings

Fig. 1 is an exploded schematic view of a suspension assembly according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the suspension control arm of fig. 1.

Fig. 3 is a schematic structural view of the first cushion collar in fig. 1.

Fig. 4 is a schematic cross-sectional view of the first cushion collar of fig. 3.

Fig. 5 is a schematic view of the outer end of the first cushion collar of fig. 3.

Fig. 6 is a schematic structural view of the first dust cap in fig. 1.

Fig. 7 is a schematic view of a state of use of a suspension assembly according to an embodiment of the utility model.

Fig. 8 is a partial enlarged view at a in fig. 7.

Reference numerals:

a suspension assembly 100;

a suspension control arm 1; a tube portion 11; a mounting hole 111; a circumferential oil reservoir 112; a control arm 12;

a connecting shaft 2;

a liner tube 3;

a first cushion collar 4; a first flange 41; the first annular projection 42; a first inner annular groove 43; a first outer annular groove 44; a first oil groove 45; the first oil storage gap 46;

a second cushion collar 5; the second oil storage gap 51;

a first dust cover 6; a first annular flange 61;

a second dust cover 7;

a first stopper 8;

a second stopper 9;

a frame 10; a first connection plate 101; a second connecting plate 102.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

As shown in fig. 1 to 8, a suspension assembly 100 according to an embodiment of the present invention includes a suspension control arm 1, a connecting shaft 2, a bushing 3, a first cushion collar 4, a second cushion collar 5, a first dust cover 6, and a second dust cover 7.

The suspension control arm 1 is provided with a tube portion 11. As shown in fig. 2, the suspension control arm 1 includes a control arm 12 and a tube portion 11, one end of the control arm 12 is used for connecting with a wheel axle support for mounting a wheel, and the tube portion 11 is provided at the other end of the control arm 12, for example, welded to the other end of the control arm 12. The other end of the control arm 12 is rotatably connected to the frame 10 via the pipe portion 11. Specifically, the connecting shaft 2 is provided on the vehicle frame 10, the pipe portion 11 is provided with a mounting hole 111 through which the connecting shaft 2 passes, and the rotatable connection of the suspension control arm 1 and the vehicle frame 10 can be achieved by the pivotable engagement of the pipe portion 11 and the connecting shaft 2.

The liner tube 3 is sleeved on the connecting shaft 2. As shown in fig. 7, the lining tube 3 is sleeved on the outer periphery of the connecting shaft 2, and the lining tube 3 is relatively non-rotatable with respect to the connecting shaft 2, for example, the lining tube 3 may be in rotation-stop fit with the connecting shaft 2 by a key, the lining tube 3 may also be welded and fixed on the outer periphery of the connecting shaft 2, and the lining tube 3 may also be fixed in a manner of clamping at both ends and relatively non-rotatable with the connecting shaft 2.

The first end at bushing pipe 3 is established to first cushion collar 4 cover, first oil storage clearance 46 has between the inner peripheral surface of first cushion collar 4 and the outer peripheral face of bushing pipe 3, the second end at bushing pipe 3 is established to second cushion collar 5 cover, second oil storage clearance 51 has between the inner peripheral surface of second cushion collar 5 and the outer peripheral face of bushing pipe 3, pipe portion 11 cover is established on first cushion collar 4 and second cushion collar 5, be equipped with the first annular bulge 42 with the outer peripheral wall butt of bushing pipe 3 in order to seal the outer end in first oil storage clearance on the internal perisporium of first cushion collar 4, be equipped with the second annular bulge with the outer peripheral wall butt of bushing pipe 3 in order to seal the outer end in second oil storage clearance 51 on the internal peripheral wall of second cushion collar 5.

As shown in fig. 7, the liner tube 3 extends along the left-right direction, the first end of the liner tube 3 is the left end of the liner tube 3, the second end of the liner tube 3 is the right end of the liner tube 3, the first buffer sleeve 4 and the second buffer sleeve 5 may have the same structure, the first buffer sleeve 4 is sleeved on the left end of the liner tube 3, the second buffer sleeve 5 is sleeved on the right end of the liner tube 3, and the first buffer sleeve 4 and the second buffer sleeve 5 may be symmetrically arranged.

Clearance fit between first cushion collar 4 and bushing pipe 3 is equipped with first ring protruding 42 on the internal perisporium of the left end of first cushion collar 4, and first ring protruding 42 is protruding for establishing the round closed on the internal perisporium of first cushion collar 4 promptly, and first ring protruding 42 and bushing pipe 3's periphery wall interference fit, the rotary seal cooperation between first ring protruding 42 and the bushing pipe 3 promptly. The annular gap formed between the first cushion 4 and the liner 3 constitutes a first oil reservoir gap 46, and the first oil reservoir gap 46 is located on the right side of the first annular projection 42.

Similarly, clearance fit between second cushion collar 5 and bushing pipe 3 is equipped with the second bulge loop on the internal perisporium of the right-hand member of second cushion collar 5, and the second bulge loop is for establishing the round closed bulge on the internal perisporium of second cushion collar 5 promptly, and second bulge loop and the outer peripheral wall interference fit of bushing pipe 3, the rotary seal cooperation between second bulge loop and bushing pipe 3 promptly. An annular gap formed between the second cushion collar 5 and the liner tube 3 constitutes a second oil reserving gap 51, and the second oil reserving gap 51 is located on the left side of the second annular protrusion.

The periphery at first cushion collar 4 and second cushion collar 5 is established to the pipe portion 11 cover of hanging control arm 1, and pipe portion 11 and first cushion collar 4, pipe portion 11 and second cushion collar 5 are all sealed cooperation. For example, the first cushion collar 4 is interference-fitted to the left end of the mounting hole 111 of the pipe portion 11, and the second cushion collar 5 is interference-fitted to the right end of the mounting hole 111 of the pipe portion 11.

The first dustproof cover 6 is arranged at the first end of the connecting shaft 2 to shield the sealing fit position of the first buffer sleeve 4 and the liner tube 3, and the second dustproof cover 7 is arranged at the second end of the connecting shaft 2 to shield the sealing fit position of the second buffer sleeve 5 and the liner tube 3.

As shown in fig. 7, the first dust cap 6 is disposed at the left end of the connecting shaft 2, at least a portion of the first dust cap 6 is in inserting fit with the first buffer sleeve 4 and the first dust cap 6 is rotatable relative to the first buffer sleeve 4, the second dust cap 7 is disposed at the right end of the connecting shaft 2, at least a portion of the second dust cap 7 is in inserting fit with the second buffer sleeve 4 and the second dust cap 7 is rotatable relative to the second buffer sleeve 5.

The connecting shaft 2 extends along the left-right direction, the first dustproof cover 6 is sleeved at the left end of the connecting shaft 2, and the second dustproof cover 7 is sleeved at the right end of the connecting shaft 2. The first dustproof cover 6 is assembled with the first buffer sleeve 4 in an inserted mode, and the second dustproof cover 7 is assembled with the second buffer sleeve 5 in an inserted mode.

For example, the left end face of the first buffer sleeve 4 can be provided with a circular chute, the right side of the first dust cover 6 is provided with a plurality of sliding blocks, the sliding blocks are all inserted into the chute, and when the first buffer sleeve 4 rotates, the sliding blocks can slide in the chute along the circumferential direction. Similarly, the right end face of the second buffer sleeve 5 is provided with a circular chute, the left side of the second dustproof cover 7 is provided with a plurality of sliding blocks, the sliding blocks are all inserted into the chute, and when the second buffer sleeve 5 rotates, the sliding blocks can slide in the chute along the circumferential direction.

First shield 6 has the effect of sheltering from first ring arch 42 and bushing pipe 3 cooperation department, and second shield 7 has the effect of sheltering from second ring arch and bushing pipe 3 cooperation department, has played isolated dust impurity's effect.

According to the suspension assembly 100 provided by the embodiment of the utility model, the first buffer sleeve 4, the second buffer sleeve 5, the pipe part 11 and the outer peripheral surface of the liner pipe 3 enclose the closed first oil storage gap 46 and the closed second oil storage gap 51, and lubricating oil can be stored in the first oil storage gap 46 and the second oil storage gap 51, so that the lubricating sealing performance of the suspension assembly 100 is improved, the lubricating oil is prevented from being lost quickly, the first buffer sleeve 4 and the second buffer sleeve 5 can operate under the action of small friction, the abrasion between the first buffer sleeve 4 and the liner pipe 3 and between the second buffer sleeve 5 and the liner pipe 3 is delayed, the conditions that the suspension control arm 1 is loosened and abnormal sound is easily caused due to large abrasion of the buffer sleeves are avoided, and the continuous and stable operation of the all-terrain vehicle is favorably ensured.

In some embodiments, the outer periphery of the end of the first cushion collar 4 remote from the second cushion collar 5 is provided with a first flange 41, the outer periphery of the end of the second cushion collar 5 remote from the first cushion collar 4 is provided with a second flange, one end surface of the pipe portion 11 abuts against the first flange 41, and the other end surface of the pipe portion 11 abuts against the second flange.

As shown in fig. 3 and 7, the first flange 41 is provided at the left end of the first buffer sleeve 4, the first flange 41 is a circle of sealing protrusion provided at the outer peripheral wall of the first buffer sleeve 4, the second flange is provided at the right end of the second buffer sleeve 5, and the second flange is a circle of sealing protrusion provided at the outer peripheral wall of the second buffer sleeve 5. The left end of the tube portion 11 is stopped by the first flange 41, and the right end of the tube portion 11 is stopped by the second flange.

Therefore, on the one hand, the pipe part 11 is prevented from moving along the axial direction of the first buffer sleeve 4 (the second buffer sleeve 5), on the other hand, the sealing contact surface between the first buffer sleeve 4 and the pipe part 11 and the sealing contact area between the second buffer sleeve 5 and the pipe part 11 are increased, and the sealing performance between the first buffer sleeve 4 and the pipe part 11 and between the second buffer sleeve 5 and the pipe part 11 is improved.

In some embodiments, a first annular projection 42 is provided on the inner circumferential wall of the first flange 41 adjacent the outer end of the first cushion collar 4, and a second annular projection is provided on the inner circumferential wall of the second flange adjacent the outer end of the second cushion collar 5.

As shown in fig. 7, the first cushion collar 4 is disposed at the left end of the liner tube 3, the outer end of the first cushion collar 4 is the left end of the first cushion collar 4, and the first annular protrusion 42 is disposed on the inner peripheral wall of the first cushion collar 4 and located at the left end of the first cushion collar 4. The second cushion collar 5 is arranged at the right end of the liner tube 3, the outer end of the second cushion collar 5 is the right end of the second cushion collar 5, and the second annular bulge is arranged on the inner peripheral wall of the second cushion collar 5 and located at the right end of the second cushion collar 5. Such a design enables the first oil reservoir gap 46 and the second oil reservoir gap 51 to be long in the axial direction of the liner tube 3, which is advantageous in increasing the oil reservoir amount and securing the lubricating effect.

In some embodiments, the inner end of the first cushion sleeve 4 and the inner end of the second cushion sleeve 5 are spaced apart from each other in the axial direction of the liner tube 3 to form a circumferential oil reservoir 112 communicating with the first oil reservoir gap 46 and the second oil reservoir gap 51. The pipe portion 11 is provided with an oil filler hole (not shown) communicating with the first oil reserving gap 46 and/or the second oil reserving gap 51.

As shown in fig. 7, the first cushion collar 4 and the second cushion collar 5 are arranged at intervals in the left-right direction, the right end of the first cushion collar 4, the inner peripheral wall of the pipe portion 11, and the left end of the second cushion collar 5 define a circumferential oil reservoir 112, the circumferential oil reservoir 112 is a closed groove which surrounds the outer peripheral side of the liner pipe 3, and the circumferential oil reservoir 112 is communicated between the first oil storage gap 46 and the second oil storage gap 51.

The oil filler hole is provided in the wall of the pipe portion 11 and penetrates the inner circumferential wall and the outer circumferential wall of the pipe portion 11. The oil filler point communicates with the first oil storage gap 46 and the second oil storage gap 51, and the oil filler point is provided to facilitate the injection of lubricating oil into the first oil storage gap 46 and the second oil storage gap 51.

Preferably, the oil holes communicate with the circumferential oil reservoir 112. The oil filler point is established between first oil storage clearance 46 and second oil storage clearance 51 promptly, has had the effect to the balanced distribution lubricating oil of first oil storage clearance 46 and second oil storage clearance 51 like this, has still avoided setting up the condition with the through-hole of oil filler point intercommunication on first cushion collar 4 and second cushion collar 5, has simplified structural arrangement, has improved the intensity of first cushion collar 4 and second cushion collar 5.

In some embodiments, the outer end surface of the first cushion collar 4 is provided with a first inner annular groove 43, the first inner annular groove 43 extends inward in the axial direction of the first cushion collar 4, and the outer end surface of the second cushion collar 5 is provided with a second inner annular groove, the second inner annular groove extends inward in the axial direction of the second cushion collar 5.

As shown in fig. 7 and 8, the outer end surface of the first cushion collar 4 is the left end surface of the first cushion collar 4, the first inner annular groove 43 is provided on the left end surface of the first cushion collar 4, and the first inner annular groove 43 is a ring of closed annular grooves. The first inner annular groove 43 surrounds the outer peripheral side of the first annular projection 42.

The outer end face of the second buffer sleeve 5 is the right end face of the second buffer sleeve 5, a second inner annular groove is formed in the right end face of the second buffer sleeve 5, and the second inner annular groove is a circle of closed annular groove. The second inner annular groove surrounds an outer peripheral side of the second annular projection.

Since the first inner annular groove 43 is provided on the outer peripheral side of the first annular protrusion 42, when the first annular protrusion 42 is in interference fit with the liner tube 3, the first inner annular groove 43 can provide an escape space, and has an effect of increasing the deformation performance of the first annular protrusion 42. Similarly, since the second inner annular groove is provided on the outer peripheral side of the second annular protrusion, when the second annular protrusion is in interference fit with the liner tube 3, the second inner annular groove can provide an avoiding space, and has an effect of increasing the deformation performance of the second annular protrusion.

Preferably, the groove depth of the first inner annular groove 43 is larger than the width of the first annular protrusion 42 in the left-right direction, i.e. the groove bottom of the first inner annular groove 43 is located at the right side of the first annular protrusion 42. Similarly, in the left-right direction, the groove depth dimension of the second inner annular groove is larger than the width dimension of the second annular protrusion, i.e., the groove bottom of the second inner annular groove is located on the left side of the second annular protrusion.

In some embodiments, the inner peripheral surface of the first cushion sleeve 4 is provided with a first oil groove 45 in the axial direction, which communicates with the first oil storage gap 46, and the inner peripheral surface of the second cushion sleeve 5 is provided with a second oil groove in the axial direction, which communicates with the second oil storage gap 51.

Be equipped with a plurality of first oil grooves 45 on the internal perisporium of first cushion collar 4, first oil groove 45 extends along the axial of first cushion collar 4, and a plurality of first oil grooves 45 set up along the circumference interval of first cushion collar 4. Be equipped with a plurality of second oil grooves on the internal perisporium of second cushion collar 5, the axial extension of second cushion collar 5 is followed to the second oil groove, and a plurality of second oil grooves set up along the circumference interval of second cushion collar 5.

As shown in fig. 3 to 5, the plurality of first oil grooves 45 are all located on the outer peripheral side of the first oil storage gap 46, and the left ends of the plurality of first oil grooves 45 are all located on the right side of the first annular projection 42. Similarly, the plurality of second oil grooves are all located on the outer peripheral side of the second oil storage gap 51, and the right ends of the plurality of first oil grooves 45 are all located on the left side of the second annular projection.

The arrangement of a plurality of first oil grooves 45 and a plurality of second oil grooves all has the effect that increases the lubricating oil storage capacity, can prolong lubricated effective function time and reduce the replenishment frequency of lubricating oil.

In some embodiments, the first dust cover 6 is provided with a first annular flange 61, the second dust cover 7 is provided with a second annular flange, the outer end surface of the first cushion collar 4 is provided with a first outer annular groove 44 along the axial direction, the outer end surface of the second cushion collar 5 is provided with a second outer annular groove along the axial direction, the first annular flange 61 is fitted in the first outer annular groove 44, and the second annular flange is fitted in the second outer annular groove.

As shown in fig. 7 and 8, a first annular flange 61 is provided on the right side of the first dust cover 6, the first annular flange 61 is a closed enclosure, the first annular flange 61 surrounds the outer peripheral side of the liner tube 3, a first outer annular groove 44 is provided on the left end face of the first cushion cover 4, and the first annular flange 61 can be inserted into the first outer annular groove 44.

Similarly, a second annular flange is provided on the left side of the second dust cover 7, the second annular flange is a closed enclosure, the second annular flange surrounds the outer peripheral side of the liner tube 3, a second outer annular groove is provided on the right end face of the second cushion collar 5, and the second annular flange can be inserted into the second outer annular groove.

The design of the first annular flange 61 and the second annular flange has a positioning function on one hand, and the relative movement of the first dustproof cover 6 and the first buffer sleeve 4, and the second dustproof cover 7 and the second buffer sleeve 5 in the radial direction of the liner pipe 3 is limited; on the other hand, the dust-proof device also has a labyrinth effect, and the blocking effect on dust impurities is enhanced.

Preferably, the first annular flange 61 is an annular flange provided on the outer peripheral edge of the first dust cover 6, and the second annular flange is an annular flange provided on the outer peripheral edge of the second dust cover 7. The design facilitates the processing and the production, and the die can be integrally formed in a stamping mode.

In some embodiments, the first buffer sleeve 4 and the second buffer sleeve 5 may be made of rubber or silicone.

An all-terrain vehicle according to an embodiment of the utility model is described below.

An all-terrain vehicle according to an embodiment of the present invention includes wheels, a frame 10, and a suspension assembly 100 connected between a wheel axle bracket for mounting the wheels and the frame 10, which may be the suspension assembly 100 described in the above-described embodiment.

The frame 10 of the all-terrain vehicle is provided with a first connecting position and a second connecting position, a first end of the connecting shaft 2 is provided with a first stop piece 8, a second end of the connecting shaft 2 penetrates through the first connecting position and the second connecting position, the first stop piece 8 is abutted against the first connecting position, and a second end of the connecting shaft 2 is provided with a second stop piece 9 abutted against the second connecting position.

As shown in fig. 7, the first connection position is a first connection plate 101, the second connection position is a second connection plate 102, the first connection plate 101 and the second connection plate 102 are arranged in parallel at intervals in the left-right direction, the connection shaft 2 of the suspension assembly 100 penetrates through the first connection plate 101 and the second connection plate 102, and the liner tube 3, the first buffer sleeve 4, the second buffer sleeve 5, the tube portion 11 of the suspension control arm 1, the first dust cover 6 and the second dust cover 7 of the suspension assembly 100 are all located between the first connection plate 101 and the second connection plate 102. Wherein the first dust cover 6 is clamped and fixed between the first connecting plate 101 and the liner 3, and the second dust cover 7 is clamped and fixed between the second connecting plate 102 and the liner 3. The first dust cover 6, the lining pipe 3, the second dust cover 7 and the connecting shaft 2 are not rotatable relative to the frame 10.

The tube portion 11, the first cushion collar 4, and the second cushion collar 5 of the suspension control arm 1 enclose a closed oil storage chamber on the outer peripheral side of the liner tube 3, the oil storage chamber includes a first oil storage gap 46, a second oil storage gap 51, and a circumferential oil storage groove 112, and the oil storage chamber is used for storing lubricating oil.

The first stop part 8 is arranged at one end of the connecting shaft 2, the second stop part 9 is arranged at the other end of the connecting shaft 2, and the first connecting plate 101, the first dust cover 6, the liner tube 3, the second dust cover 7 and the second connecting plate 102 can be clamped and fixed by the first stop part 8 and the second stop part 9.

When the all-terrain vehicle runs, the wheels can fluctuate up and down on a bumpy road surface, the wheels can drive the suspension control arm 1 to swing, the pipe part 11 of the suspension control arm 1 can drive the first buffer sleeve 4 and the second buffer sleeve 5 to rotate around the liner pipe 3, and lubricating oil in the oil storage cavity plays a role in lubricating.

In some embodiments, one of the first stop member 8 and said second stop member 9 is screw-fitted on the connection shaft 2, and the other is integrally formed on the connection shaft 2. As shown in fig. 7, the first stopper 8 may be a nut, the second stopper 9 may be integrally provided on the connecting shaft 2, the second stopper 9 and the connecting shaft 2 may be configured as a long bolt, and the second stopper 9 is a bolt head of the long bolt. It will be appreciated that in other embodiments, the first stop member 8 may be integrally formed on the connecting shaft 2 and the second stop member 9 may be screw-fitted on the connecting shaft 2.

In some embodiments, the first stopper 8 and the second stopper 9 may be both nuts, and the first stopper 8 and the second stopper 9 are both screw-fitted on the connection shaft 2.

According to the all-terrain vehicle disclosed by the embodiment of the utility model, the sealing performance of the suspension assembly is better, the rapid loss of lubricating oil is avoided, the buffer sleeve can run under the action of smaller friction, the abrasion of the buffer sleeve is delayed, and the continuous and stable running of the all-terrain vehicle is ensured.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. A suspension assembly, comprising:

a suspension control arm provided with a tube portion;

a connecting shaft;

the lining pipe is sleeved on the connecting shaft;

the first buffer sleeve is sleeved at the first end of the liner tube, a first oil storage gap is formed between the inner circumferential surface of the first buffer sleeve and the outer circumferential surface of the liner tube, the second buffer sleeve is sleeved at the second end of the liner tube, a second oil storage gap is formed between the inner circumferential surface of the second buffer sleeve and the outer circumferential surface of the liner tube, and the tube part is sleeved on the first buffer sleeve and the second buffer sleeve;

first shield and second shield, first shield is established the first end of connecting axle is in order to shelter from first cushion collar with the sealed cooperation department of bushing pipe, the second shield is established the second end of connecting axle is in order to shelter from the second cushion collar with the sealed cooperation department of bushing pipe.

2. The suspension assembly of claim 1, wherein at least a portion of the first dust cap is in plug-in engagement with the first damping sleeve and the first dust cap is rotatable relative to the first damping sleeve, and wherein at least a portion of the second dust cap is in plug-in engagement with the second damping sleeve and the second dust cap is rotatable relative to the second damping sleeve.

3. The suspension assembly according to claim 1, wherein the inner peripheral wall of the first cushion collar is provided with a first annular protrusion abutting against the outer peripheral wall of the liner tube to seal the outer end of the first oil storage gap, and the inner peripheral wall of the second cushion collar is provided with a second annular protrusion abutting against the outer peripheral wall of the liner tube to seal the outer end of the second oil storage gap.

4. The suspension assembly of claim 1, wherein an outer periphery of an end of the first cushion sleeve remote from the second cushion sleeve is provided with a first flange, an outer periphery of an end of the second cushion sleeve remote from the first cushion sleeve is provided with a second flange, one end surface of the pipe portion abuts against the first flange, and the other end surface of the pipe portion abuts against the second flange.

5. The suspension assembly of claim 1, wherein the inner end of the first damping sleeve and the inner end of the second damping sleeve are spaced apart from each other in the axial direction of the liner to form a circumferential oil reservoir in communication with the first oil reservoir gap and the second oil reservoir gap.

6. The suspension assembly of claim 1, wherein the outer end surface of the first damping sleeve is provided with a first inner annular groove extending axially inwardly of the first damping sleeve, and the outer end surface of the second damping sleeve is provided with a second inner annular groove extending axially inwardly of the second damping sleeve.

7. The suspension assembly of claim 1, wherein the inner circumferential surface of the first damping sleeve is axially provided with a first oil groove communicating with the first oil storage gap, and the inner circumferential surface of the second damping sleeve is axially provided with a second oil groove communicating with the second oil storage gap.

8. The suspension assembly of any one of claims 1-7, wherein the first dust cap has a first annular flange thereon, the second dust cap has a second annular flange thereon, the first cushion sleeve has an outer end surface provided with a first outer annular groove in the axial direction, the second cushion sleeve has an outer end surface provided with a second outer annular groove in the axial direction, the first annular flange fits within the first outer annular groove, and the second annular flange fits within the second outer annular groove.

9. An all-terrain vehicle comprising a frame and a suspension assembly according to any of claims 1-8, the frame having a first connection location and a second connection location, a first end of the connection shaft being provided with a first stop, a second end of the connection shaft passing through the first connection location and the second connection location, the first stop abutting the first connection location, the second end of the connection shaft being provided with a second stop abutting the second connection location.

10. The all-terrain vehicle of claim 9, characterized in that the first stop is integrally formed on the connecting shaft, and the second stop is a nut threadedly engaged with the connecting shaft.

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