CN212985890U - All terrain off-road vehicle and shock absorber assembly for off-road vehicle - Google Patents

Abstract

The utility model discloses an all terrain cross country vehicle and be used for bumper shock absorber assembly of cross country vehicle for the bumper shock absorber assembly of cross country vehicle includes: the damper comprises a damper body, a pipeline and an external damping piece, wherein the damper body comprises a main cylinder and an elastic element sleeved outside the main cylinder, and two ends of the main cylinder are provided with connecting parts; the pipeline includes: a first pipe joint and a second pipe joint; the first pipe joint is inserted in the external damping part and communicated with the external damping part, and the second pipe joint is inserted in the main cylinder and communicated with the main cylinder. Wherein at least one of the first pipe fitting and the second pipe fitting is configured to be torsionally adjustable. Therefore, the first pipe joint and the second pipe joint of the pipeline can rotate, so that the trend of the pipeline can be adjusted, the external damping piece or the shock absorber body can be installed at any angle, the interference to surrounding parts can be reduced, the arrangement is more compact and reasonable, and the arrangement in different positions and spaces is met.

Description

All terrain off-road vehicle and shock absorber assembly for off-road vehicle

Technical Field

The utility model belongs to the technical field of the vehicle technique and specifically relates to a shock absorber assembly that all-terrain cross country vehicle and be used for cross country vehicle is related to.

Background

The existing all-terrain off-road vehicle is usually suspended independently in the front, and in order to improve the comfort of the whole vehicle, the front shock absorber mostly adopts the adjustable air pressure damping shock absorption of an external damping part, and the damping range is adjustable, so that the damping effect of different road conditions can be met, and the application on the all-terrain off-road vehicle is wide.

The adjustable atmospheric pressure damping bumper shock absorber of external damping spare in present market, the rigid even as an organic whole of mount pad on gasbag cylinder body and the bumper shock absorber, the installation direction can not be adjusted, is unfavorable for installation and use before a lot of space compactings on the suspension, and gasbag cylinder body department damping governing valve is also inconvenient for adjust, should this, this kind of bumper shock absorber assembly has higher requirement to suspension installation and motion, has to occupy vehicle valuable space and damping to adjust shortcoming such as not convenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model discloses an aim at provides an all terrain cross country vehicle and be used for bumper shock absorber assembly of cross country vehicle.

According to the utility model discloses a bumper shock absorber assembly for cross country vehicle of first aspect embodiment includes: the damper comprises a damper body, a pipeline and an external damping piece, wherein the damper body comprises a main cylinder and an elastic element sleeved outside the main cylinder, and two ends of the main cylinder are provided with connecting parts; the pipeline includes: a first pipe joint and a second pipe joint; the first pipe joint is inserted in the external damping part and communicated with the external damping part, and the second pipe joint is inserted in the main cylinder and communicated with the main cylinder. Wherein at least one of the first pipe fitting and the second pipe fitting is configured to be torsionally adjustable.

According to the utility model discloses the bumper shock absorber assembly, the first coupling and the second coupling of pipeline are rotatable, make the pipeline move towards adjustable, and consequently external damping piece or bumper shock absorber body can arbitrary angle installation, and then can reduce the interference to part on every side, make to arrange compacter reasonable, satisfy arranging of different positions and space.

In some embodiments, the outboard damper comprises: damping piece body, damping governing valve, first mount pad with first coupling is pegged graft, and have with the socket of first coupling grafting adaptation, the damping governing valve install in first mount pad, the damping piece body passes through first mount pad is fixed.

In some embodiments, the first mounting seat comprises a seat body, and a valve mounting part, a pipe mounting part and a fixing part which are connected with the seat body, wherein the pipe mounting part is arranged in parallel with the damping part body, the central axes of the valve mounting part, the damping part body and the pipe mounting part are coplanar, and the valve mounting part faces the seat body in an inclined manner.

In some embodiments, the master cylinder includes a master cylinder body, a piston push rod extending from a first end of the master cylinder body, the connecting portion including: the first connecting head is connected to the end part of the main cylinder body, and the second connecting head is connected to the end part of the piston push rod; the main cylinder body further comprises a second mounting seat for inserting a pipeline, and the second mounting seat is located between the elastic element and the first connecting head.

In some embodiments, the master cylinder further includes an adjusting coil, an intermediate mounting seat, and a backing plate, the adjusting coil is sleeved on the master cylinder body and is in threaded fit with the master cylinder body, the adjusting coil is located between the second mounting seat and the intermediate mounting seat, the intermediate mounting seat is sleeved outside the master cylinder body, and the backing plate is fixed on the push rod and located on the upper side of the second connecting head; the elastic element comprises a lower first spring and a second spring, the first spring is clamped between the adjusting coil and the middle mounting seat, and the second spring is clamped between the middle mounting seat and the backing plate.

According to the utility model discloses full topography cross country vehicle of second aspect embodiment includes: the shock absorber comprises a front frame, a left front shock absorber assembly, a right front shock absorber assembly and a front suspension, wherein the left front shock absorber assembly and the right front shock absorber assembly are the shock absorber assemblies, the lower end of each shock absorber body is connected to the front suspension, the upper end of each shock absorber body is connected to the front portion of the front frame, and the external damping parts of the two shock absorber assemblies are connected with the front frame.

In some embodiments, the front frame includes a main frame and a sub-frame detachably attached to a middle rear portion of the main frame, one of the outboard damping member of the left front shock absorber assembly and the outboard damping member of the right front shock absorber assembly is detachably attached to the main frame, and the other is detachably attached to the sub-frame.

In some embodiments, the main frame is a frame structure, the main frame includes a front connection frame, two side connection frames, and an inner rear connection frame, two of the shock absorber bodies are connected to the front connection frame, the front end of the inner rear connection frame is connected to the front connection frame, the rear end of the inner rear connection frame is connected to one of the side connection frames, one of the left end and the right end of the sub frame is connected to the other of the side connection frames, and the other of the left end and the right end of the sub frame is connected to the inner rear connection frame.

In some embodiments, the subframe comprises a transverse rod, a longitudinal rod and a longitudinal reinforcing rod, wherein two ends of the transverse rod are respectively connected to the side connecting frame and the inner rear connecting frame, the rear end of the longitudinal rod is connected with the transverse rod, the front end of the longitudinal rod is connected with the front connecting frame, the longitudinal reinforcing rod is provided with a bend, two sections of the longitudinal reinforcing rod are respectively connected with the transverse rod and the longitudinal rod and limit an annular area, the inner rear connecting frame and the longitudinal rod are respectively provided with an air bag mounting seat, and one external damping part is connected with the air bag mounting seat in the annular area.

In some embodiments, the damping adjustment valve of the outboard damping member extends obliquely upward and forward.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a shock absorber assembly according to an embodiment of the first aspect of the present invention;

figure 2 is a perspective view of a front shock absorber arrangement according to an embodiment of a second aspect of the present invention;

fig. 3 is a schematic three-dimensional split view of a front shock absorber arrangement according to an embodiment of the second aspect of the present invention;

fig. 4 is a perspective view of a front shock absorber arrangement according to an embodiment of a third aspect of the present invention;

fig. 5 is a schematic three-dimensional split view of a front shock absorber arrangement according to an embodiment of the third aspect of the present invention;

FIG. 6 is a partial schematic view of a front shock absorber arrangement according to an embodiment of a third aspect of the present invention;

fig. 7 is another partial schematic view of a front shock absorber arrangement according to an embodiment of the third aspect of the present invention.

Reference numerals:

the shock absorber assembly 100 is provided with a shock absorber,

a damper body 110, a master cylinder 111, a master cylinder body 111a, a push rod 111b, a second mounting seat 111c, an adjusting coil 111d, an intermediate mounting seat 111e, a pad plate 111f, a cushion sleeve 111g, a first spring 111h, a second spring 111j, a first connecting head 112, a second connecting head 113, a bearing inner race 113a, a bushing 113b, a bearing seat 113c, a seal ring 113d,

a conduit 120, a hose 121, a first pipe fitting 122, a second pipe fitting 123,

an external damper 130, a damper body 131, a damper adjustment valve 132, a first mounting seat 133, a seat body 133a, a pipe mounting portion 133b, a fixing portion 133c, a reinforcing rib 133d, a valve mounting portion 133e,

a left front shock absorber assembly 100a, a right front shock absorber assembly 100b, a left rear shock absorber assembly 100c, a right rear shock absorber assembly 100d,

a front frame 200, a main frame 210, a front connecting frame 211, a side connecting frame 212, a left connecting frame 212a, a right connecting frame 212b, an inner rear connecting frame 213, a sub-frame 220, a transverse rod 221, a longitudinal rod 222, a longitudinal reinforcing rod 223,

a left front rocker arm assembly 310, a right front rocker arm assembly 320,

a left rear bracket arm assembly 410, a right rear bracket arm assembly 420,

rear frame 500, upright 501, third mounting base 502, lower frame 510, lower column 511, front support rod 512, rear support rod 513, transverse reinforcing rod 514, upper frame 520, upper column 521, cross beam 522, longitudinal beam 523,

bolt 601, nut 602.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

A shock absorber assembly 100, a front shock absorber arrangement, a rear shock absorber arrangement, an all terrain off-road vehicle according to embodiments of the present invention will now be described with reference to fig. 1-7.

First embodiment

As shown in fig. 1, a shock absorber assembly 100 for an off-road vehicle according to an embodiment of the present invention includes: the shock absorber comprises a shock absorber body 110, a pipeline 120 and an external damping member 130, wherein the shock absorber body 110 comprises a main cylinder 111 and an elastic element sleeved outside the main cylinder 111.

Wherein, both ends of the master cylinder 111 have connection parts; the piping 120 includes: a first pipe fitting 122 and a second pipe fitting 123. A first pipe fitting 122 is inserted into and communicates with the external damping member 130, a second pipe fitting 123 is inserted into and communicates with the master cylinder 111, and at least one of the first pipe fitting 122 and the second pipe fitting 123 is configured to be torsionally adjustable.

It should be noted that the damper body 110 refers to a component of the damper assembly 100 that mainly plays a role of damping, the master cylinder 111 of the damper body 110 may be a hydraulic cylinder or an air cylinder, and the elastic element may be a compression spring.

The external damping member 130 is connected with the shock absorber body 110 through the pipeline 120, so that the pipeline 120 can communicate the chamber of the main cylinder 111 with the chamber in the external damping member 130, and then when the piston in the main cylinder 111 moves to a preset stroke position, gas or liquid in the chamber of the main cylinder 111 can be pressed out and flows into the cavity of the external damping member 130 through the hose 121, and then the internal of the external damping member 130 can further play a role in buffering, and the shock absorption effect is better.

When the external damping member 130 is a cylinder, which is also commonly referred to as an external airbag, a gas chamber in the external damping member 130 can be pressed by liquid or gas flowing out through the hose 121, thereby playing a role in assisting in buffering and damping.

Wherein "at least one of the first pipe joint 122 and the second pipe joint 123 is configured to be torsionally adjustable" includes the following three cases: 1) only the first pipe joint 122 can be twisted at any angle in the socket of the external damping member 130, and the second pipe joint 123 is fixedly connected with the master cylinder 111; 2) only the second pipe joint 123 can be twisted at any angle in the socket of the master cylinder 111, and the first pipe joint 122 is fixedly connected with the master cylinder 111; 3) first coupling 122 may be twisted at any angle within the socket of external damping member 130 and second coupling 123 may be twisted at any angle within the socket of master cylinder 111. Wherein, the upper limit of the torsion angle can be 90 degrees, 180 degrees, 270 degrees and 360 degrees.

According to the utility model discloses shock absorber assembly 100, the first coupling 122 and the second coupling 123 of pipeline 120 are rotatable, make pipeline 120 move towards adjustable, and consequently external damping piece 130 or shock absorber body 110 can arbitrary angle installation, and then can reduce the interference to parts on every side, and the messenger arranges compacter rationally, satisfies arranging of different positions and space.

The first pipe joint 122 and the second pipe joint 123 may be connected by a hose 121, and the hose 121 of the pipe 120 may allow the shock absorber body 110 and the external damping member 130 to be more flexibly arranged than the conventional rigid pipe 120, the length of the hose 121 may be determined according to the installation position, the first pipe joint 122 and the second pipe joint 123 may be respectively inserted into both ends of the hose 121, the first pipe joint 122 and the second pipe joint 123 may be substantially L-shaped, the first pipe joint 122 may be inserted into the socket of the external damping member 130, and the second pipe joint 123 may be inserted into the socket of the master cylinder 111.

Therefore, the external damping part 130 is connected with the main cylinder 111 of the shock absorber body 110 through the hose 121, and the joints at the two ends of the hose 121 can rotate, so that the trend of the hose 121 can be adjusted, and further, the interference to surrounding parts can be reduced, the arrangement is more compact and reasonable, and the arrangement in different positions and spaces is met.

In some embodiments, the outboard damper 130 includes: damping piece body 131, damping control valve 132, first mount pad 133 with first coupling 122 grafting and have with the socket of first coupling 122 grafting adaptation, damping control valve 132 is installed in first mount pad 133, damping piece body 131 is fixed through first mount pad 133.

Specifically, the damping member body 131 refers to the part of the external damping member 130 that can accommodate the air bag and has a buffering function, and this part of the structure constitutes the main body of the external damping member 130, the first mounting seat 133 is connected to the end of the damping member body 131, the socket is formed at the end of the first mounting seat 133, the damping adjusting valve 132 is also mounted on the first mounting seat 133, the damping adjusting valve 132 is used for performing multi-stage adjustment on the damping performance of the external damping member 130, the damping adjusting valve 132 can control the compression capacity of the external damping member 130, and in addition, the first mounting seat 133 can fix the position of the external damping member 130 on the vehicle body or the vehicle frame.

Therefore, the installation of the damping adjusting valve 132, the installation of the pipeline 120 and the suspension fixation of the external damping piece 130 are realized by the aid of the first installation seat 133 at one end of the external damping piece 130, three functions can be integrated by only manufacturing one part of the first installation seat 133, the integration level is higher, and the end is fastened, so that the influence of impact on the external damping piece 130 when an air bag in the external damping piece 130 is compressed is smaller.

To further make the arrangement of the external damping member 130 more compact, the following embodiments may be adopted: the first mount 133 includes a seat body 133a, and a valve mounting portion 133e, a pipe mounting portion 133b, and a fixing portion 133c connected to the seat body 133a, the pipe mounting portion 133b is disposed in parallel with the damping member body 131, central axes of the valve mounting portion 133e, the damping member body 131, and the pipe mounting portion 133b are coplanar, and the valve mounting portion 133e is disposed obliquely toward the seat body 133 a. Referring to fig. 1, the pipe attachment portion 133b is cylindrical, the socket extends in the axial direction of the pipe attachment portion 133b, and the center axis of the pipe attachment portion 133b is parallel to and offset from the center axis of the damper body 131 by a predetermined distance.

In the specific example shown in fig. 1, the fixing portion 133c includes two mounting lugs, both of which are connected to the seat body 133a, and which are symmetrically distributed on both sides of a plane in which the center axes of the valve mounting portion 133e and the tube mounting portion 133b lie. Specifically, two mounting ears are connected to the seat body 133a at both sides of the seat body 133a, respectively, and the mounting ears may be fixed to the vehicle body or the frame by fasteners (e.g., screws, bolts 601 engaged with each other, nuts 602). By adopting the connecting lug, the external damping part 130 is more stably fixed and is more uniformly loaded.

In some embodiments, the fixing portion 133c further includes at least one rib 133d disposed on both sides of the valve mounting portion 133e, both ends of each rib 133d are respectively connected to the mounting lug and the end of the damping member body 131, and the side portion of the rib 133d sequentially connects the valve mounting portion 133e, the pipe mounting portion 133a, and the pipe mounting portion 133 b. The reinforcing ribs 133d may be one or more, and the arrangement of the reinforcing ribs 133d can improve the stress mode of the first mounting seat 133, so that the external damping member 130 has better strength and rigidity, and the service life of the external damping member 130 is prolonged.

The master cylinder 111 may adopt the following specific structure: the master cylinder 111 may include a master cylinder body 111a, a piston push rod 111b protruding from a first end of the master cylinder body 111a, and the connecting portion includes: the first connecting head 112 is connected to the end of the main cylinder body 111a, the second connecting head 113 is connected to the end of the piston rod 111b, the main cylinder body 111a further includes a second mounting seat 111c for inserting the pipeline 120, and the second mounting seat 111c is located between the elastic element and the first connecting head 112. Specifically, the second mounting seat 111c is connected to the second pipe joint 123 of the pipeline 120, and the piston push rod 111b can be connected to the piston in the main cylinder 111, so as to further push the piston to move when the suspension moves and further push the push rod 111b to move upwards, thereby playing a role in buffering and damping.

In this way, the spatial arrangement is made more reasonable by providing the second mounting seat 111c for the plug pipe 120 at the end of the master cylinder body 111 a.

As shown in fig. 1, the master cylinder 111 further includes an adjusting coil 111d, an intermediate mounting seat 111e and a pad 111f, the adjusting coil 111d is sleeved on the master cylinder body 111a and is in threaded engagement with the master cylinder body 111a, the adjusting coil 111d is located between the second mounting seat 111c and the intermediate mounting seat 111e, the intermediate mounting seat 111e is sleeved outside the master cylinder body 111a, and the pad 111f is fixed on the push rod 111b and is located on the upper side of the second connecting head 113; the elastic member includes a lower first spring 111h and a second spring 111j, the first spring 111h being sandwiched between the adjusting coil 111d and the intermediate mount 111e, and the second spring 111j being sandwiched between the intermediate mount 111e and the pad plate 111 f.

Thus, the adjusting coil 111d may be twisted to change the position of the adjusting coil 111d on the master cylinder body 111a, so that the initial compression amount of the first spring 111h is adjusted, thereby changing the damping capacity and the restoring capacity of the master cylinder 111. In the actual working process, the push rod 111b moves upwards and enables the backing plate 111f to compress the second spring 111j, and when the second spring 111j is compressed to a certain degree, the middle mounting seat 111e is pushed to move upwards to further compress the first spring 111h, so that two-stage buffering is formed, and the damping and buffering effects are better.

In addition, when the upward movement amount of the pad 111f exceeds the upper limit of the predetermined upward movement amount, the pad 111f may impact the end portion of the master cylinder body 111a to damage the master cylinder body 111a, and for this reason, a cushion cover 111g may be further provided on the side of the pad 111f facing the master cylinder body 111a to avoid a rigid impact.

In some embodiments, the first joint 112 and the second joint 113 are joint bearings, and the joint bearings include a bearing seat 113c, a bushing 113b, a bearing inner race 113a, and a seal ring 113 d. The bush 113b is mounted in the mounting through hole of the bearing seat 113c, the spherical outer surface of the bearing inner ring 113a is matched with the spherical inner surface of the bush 113b, one end of the seal ring 113d is pressed against the end flange of the bearing inner ring 113a, and the other end of the seal ring 113d is pressed against the end surface of the bush 113 b. In some embodiments, the second mounting seat 111c includes a disk-shaped main seat and a projection connected to a side of the disk-shaped main seat, and an end of the projection has a socket to which the second pipe joint 123 is plug-fitted.

Therefore, the bearing inner ring 113a can roll in the bushing 113b, and the arrangement of the sealing ring 113d can play a good dustproof role due to the fact that the working environment of the off-road vehicle is severe and dust flies, and particularly can avoid accumulation of dust at a rolling friction position.

Second embodiment

A front shock absorber arrangement according to an embodiment of a second aspect of the present invention is described in detail below with reference to fig. 2 to 3.

As shown in fig. 2, a front shock absorber arrangement structure according to an embodiment of the second aspect of the present invention includes: front frame 200, left front shock absorber assembly 100a, right front shock absorber assembly 100b, front suspension. The left and right front shock absorber assemblies 100a and 100b are shock absorber assemblies 100 employing the foregoing first aspect embodiment; the lower end of each shock absorber body 110 is connected to the front suspension and the upper end is connected to the front portion of the front frame 200, and the outboard dampers 130 of both shock absorber assemblies 100 are connected to the front frame 200.

The number of the front shock absorbers is usually 2, the left front shock absorber assembly 100a is arranged on the left side, the right front shock absorber assembly 100b is arranged on the right side, the front suspension comprises a left front rocker arm assembly 310 and a right front rocker arm assembly 320, the left front rocker arm assembly 310 and the right front rocker arm assembly 320 are both in an A shape, the lower end of a shock absorber body 110 of the right front shock absorber assembly 100b is connected with the right front rocker arm assembly through a bolt 601, the lower end of the shock absorber body 110 of the left front shock absorber assembly 100a is connected with the left front rocker arm assembly and is connected with the left front rocker arm assembly through the bolt 601, the hoses 121 are distributed along the side face, and the two front shock absorber assemblies 100 are symmetrically arranged on the left and right of the middle plane of the vehicle body.

According to the utility model discloses preceding bumper shock absorber arrangement structure, mainly be applied to all-terrain cross country vehicle front suspension, the external damping piece 130 through with preceding bumper shock absorber assembly 100 is fixed in the front on frame 200, and upper position before the frame promptly, the space in the preceding frame 200 can be by rational utilization like this, arranges more rationally.

In some embodiments, the front frame 200 includes a main frame 210 and a sub-frame 220 detachably attached to a middle rear portion of the main frame 210, one of the outboard damping members 130 of the left front shock absorber assembly 100a and the outboard damping members 130 of the right front shock absorber assembly 100b is detachably attached to the main frame 210, and the other is detachably attached to the sub-frame 220.

In other words, in order to facilitate the arrangement of the parts, the front frame 200 may be provided to be assembled by a plurality of frame components, such as the main frame 210 and the sub frame 220. In the specific example shown in fig. 3, the outboard damper member 130 of the left front shock absorber assembly 100a and the main frame 210 may be connected by fasteners, and the outboard damper member 130 of the right front shock absorber assembly 100b and the sub-frame 220 may be connected by fasteners. Of course, the present invention is not limited to this, and the following schemes may be adopted: the outboard damper 130 of the left front shock absorber assembly 100a and the sub-frame 220 may be connected by a fastener, and the outboard damper 130 of the right front shock absorber assembly 100b and the main frame 210 may be connected by a fastener.

As shown in fig. 3, the main frame 210 has a frame structure, the main frame 210 includes a front connecting frame 211, two side connecting frames 212, and an inner rear connecting frame 213, the two damper bodies 110 are connected to the front connecting frame 211, the front end of the inner rear connecting frame 213 is connected to the front connecting frame 211, the rear end of the inner rear connecting frame 213 is connected to one of the side connecting frames 212, one of the left end and the right end of the sub frame 220 is connected to the other side connecting frame 212, and the other of the left end and the right end of the sub frame 220 is connected to the inner rear connecting frame 213.

That is, the inner rear link frame 213 and the sub frame 220 are sequentially distributed in the left-right direction, and specifically, when the inner rear link frame 213 is located at the left side, the sub frame 220 is located at the right side; when the inner rear link 213 is on the right side, the subframe 220 is on the left side. In the embodiment shown in fig. 3, the subframe 220 is located to the right of the inner rear link 213.

As shown in fig. 3, the front connecting frame 211 is a substantially i-shaped frame body, the two side connecting frames 212 include a left side connecting frame 212a connected to the left side of the front connecting frame 211 and a right side connecting frame 212b connected to the right side of the front connecting frame 211, the side connecting frame 212 further includes an inverted V-shaped bracket, the inner rear connecting frame 213 is substantially L-shaped, the front ends of the front connecting frame 211 and the inner rear connecting frame 213 are connected by a fastening member such as a bolt 601, the left end of the subframe 220 is connected to the inner rear connecting frame 213, and the right end of the subframe 220 is connected to the inverted V-shaped bracket of the right side connecting frame 212 b.

Therefore, the main frame 210 and the auxiliary frame 220 adopt the following structures, so that the strength is better, and the stress is more balanced.

In some embodiments, the subframe 220 includes a transverse rod 221, a longitudinal rod 222, and a longitudinal reinforcing rod 223, wherein two ends of the transverse rod 221 are respectively connected to the side connection frame 212 and the inner rear connection frame 213, a rear end of the longitudinal rod 222 is connected to the transverse rod 221, and a front end is connected to the front connection frame 211, the longitudinal reinforcing rod 223 has a bend, two ends of the longitudinal reinforcing rod 223 are respectively connected to the transverse rod 221 and the longitudinal rod 222 and define an annular region, the inner rear connection frame 213 and the longitudinal rod 222 are both provided with air bag installation seats, and one of the external damping members 130 is connected to the air bag installation seat in the annular region. Thus, the arrangement of the outboard damper 130 makes reasonable use of the space within the front frame 200.

In some embodiments, the damper adjustment valve 132 of the outboard damper 130 extends obliquely upward and forward. In this way, the damping control valve 132 faces upward, which not only facilitates the installation and disassembly maintenance, but also facilitates the adjustment operation of the damping control valve 132.

Third embodiment

A rear absorber arrangement according to an embodiment of the third aspect of the present invention is described in detail below with reference to fig. 4 to 7.

As shown in fig. 4, the rear shock absorber arrangement structure includes: rear frame 500, rear shock absorber assembly 100, rear suspension. Rear frame 500 has a pillar 501, and rear shock absorber assembly 100 includes: the shock absorber comprises a shock absorber body 110, a pipeline 120 and an external damping piece 130, wherein the shock absorber body 110 is connected with the external damping piece 130 through the pipeline 120; the lower end of each shock absorber body 110 is connected to the rear suspension and the upper end is connected to the rear frame 500, and the outboard damper 130 is connected to the rear frame 500 inside the pillar 501. Specifically, the number of the rear shock absorber assemblies 100 is two, and the rear shock absorber assemblies are a left rear shock absorber assembly 100c and a right rear shock absorber assembly 100d, respectively, the rear suspension includes a left rear bracket arm assembly 410 and a right rear bracket arm assembly 420, the lower end of the shock absorber body 110 of the left rear shock absorber assembly 100c is connected with the left rear bracket arm assembly 410, and the lower end of the shock absorber body 110 of the right rear shock absorber assembly 100d is connected with the right rear bracket arm assembly 420. The rear shock absorber assembly 100 may adopt the shock absorber of the first embodiment, among others.

It should be noted that the pillar 501 of the rear frame is referred to as a supporting pillar, and for the single-row-seat all-terrain vehicle, the pillar 501 may be a B pillar, which not only plays a role of supporting, but also can distinguish a cockpit from a cargo compartment and a power compartment, the cockpit is located in front of the pillar 501, the cargo compartment and the power compartment are located behind the pillar 501, and the cargo compartment is located above the cockpit.

For a double row seat atv, the pillar 501 may be a C-pillar, i.e., the plurality of pillars between the roof and the portion of the frame below the floor are an a-pillar, a B-pillar, and a C-pillar, respectively, from front to rear.

The utility model discloses among the preceding bumper shock absorber arrangement structure, the mode that rear shock absorber adopted bumper shock absorber body 110 and external damping piece 130 to separately arrange, the upper end of bumper shock absorber body 110 is installed on back frame 500, the lower extreme is installed on the trailing arm of back suspension, and external damping piece 130 is installed in the position that is close to the stand at the top of the back frame 500 of vehicle, and installation space is more abundant, and the dismouting is more convenient, and damping force adjusts also more conveniently, and maintainability is good.

As a preferred embodiment, the outboard damping member 130 may be fixed to the upright 501. Thus, the upper end of the shock absorber body 110 is mounted on the rear frame, the lower end of the shock absorber body 110 is mounted on the suspension bracket, and the outboard damper 130 is mounted inside the pillar 501, better utilizing the space inside the pillar 501.

In some embodiments, the rear frame 500 includes a lower frame 510 and an upper frame 520 coupled thereto above the lower frame 510, the pillar 501 includes a lower column 511 and an upper column 521, the lower column 511 is formed at the lower frame 510 and the upper column 521 is formed at the upper frame 520, the lower column 511 and the upper column 521 are detachably coupled by a fastener, and the outboard damper 130 is coupled to the upper column 521. That is, the upright 501 is of a split design, a part of the upright 501 (a lower column 511) is formed on the lower frame 510, another part of the upright 501 (an upper column 521) is formed on the upper frame 520, and the lower column 511 and the upper column 521 can be penetrated by a bolt 601 and then locked by a nut 602. Thus, the external damping member 130 can be fixed to the upper frame 520 and then the upper column 521 and the lower column 511 are connected, thereby facilitating the installation and arrangement of the external damping member 130 and surrounding components.

Specifically, the lower frame 510 may adopt the following structural form: lower frame 510 still includes preceding bracing piece 512, back bracing piece 513, violently reinforce the pole 514, preceding bracing piece 512 is U-shaped and the opening is down, back bracing piece 513 is U-shaped and the opening is forward, the both ends of back bracing piece 513, the both ends of violently reinforcing piece 514 can be connected to preceding bracing piece 512 respectively, upper column 521 is connected with back bracing piece 513, shock absorber body 110 is connected with violently reinforcing piece 514 in the space that preceding bracing piece 512 and back bracing piece 513 enclose.

As shown in fig. 5, the upper frame 520 further includes a cross member 522 and two longitudinal members 523 connected to both ends of the cross member 522, the upper column 521 is connected to the longitudinal members 523 and spaced apart from the cross member 522 in the front-rear direction, and the connection point of the outboard damper 130 and the pillar 501 is located on the front side of the cross member 522. Therefore, the external damping part 130 is arranged at the position, the space on the front side of the cross beam 522 is utilized, the installation is convenient, and meanwhile, the interference between the external damping part 130 and the cross beam 522 in the working vibration process is avoided.

As shown in fig. 6 and 7, the central axis of the outboard damping member 130 may form an angle with the central axis of the upright 501, and the angle a is 15-30 degrees. After the rear shock absorber is assembled, the two external damping members 130 respectively form included angles with the upright column 501 of the rear frame 500, and the external damping members 130 are not limited to be perpendicular to the upright column 501 of the frame, so that the configuration and installation of different decorative plates at the upright column 501 can be met.

In some embodiments, the column 501 is provided with a third mounting seat 502 adapted to mount the external damping member 130, and one end of the external damping member 130 is connected to the third mounting seat 502. Thus, the end is fastened so that the impact on the external damper 130 is less affected when the air bag inside the external damper 130 is compressed.

As shown in fig. 1, the external damping member 130 further includes: the damping piece body 131, the damping adjusting valve 132 and the first mounting seat 133, the first mounting seat 133 comprises a seat body 133a, and a valve mounting portion 133e, a pipe mounting portion 133b and a fixing portion 133c which are connected with the seat body 133a, the pipe mounting portion 133b is inserted and matched with one end of the pipeline 120, the damping adjusting valve 132 is mounted on the valve mounting portion 133e, and the fixing portion 133c is connected with the third mounting seat 502 through a fastener. Thus, by means of the first mounting seat 133 at one end of the external damping member 130, the mounting of the damping adjusting valve 132, the mounting of the pipeline 120 and the suspension fixing of the external damping member 130 are realized, and only one part, namely the first mounting seat 133, needs to be manufactured to integrate three functions, so that the integration level is higher.

Further, the pipe mounting portion 133b is disposed parallel to the damping member body 131, the central axes of the valve mounting portion 133e, the damping member body 131, and the pipe mounting portion 133b are coplanar, and the fixing portion 133c includes two mounting lugs connected to the seat body 133a and symmetrically disposed on two sides of a plane where the central axes of the valve mounting portion 133e and the pipe mounting portion 133b are located.

In order to avoid that the external damper 130 cannot be assembled due to machining errors, a strip-shaped hole or a cross-shaped hole may be formed in the external damper 130 and the parts connected with the external damper 130, specifically, the third mounting seat 502 and the first mounting seat 133 have mounting through holes for fasteners to pass through, and at least one of the mounting through holes of the third mounting seat 502 and the mounting through holes of the first mounting seat 133 is oblong or cross-shaped.

Furthermore, the pipe joint at the end of the pipe 120 may be set to be adjustable at an angle to make the routing layout more reasonable, for example, the pipe 120 may include: a hose 121 and a first pipe joint 122 and a second pipe joint 123 respectively connected to both ends of the hose 121, at least one of the first pipe joint 122 and the second pipe joint 123 being configured to be torsionally adjustable.

Fourth embodiment

According to the utility model discloses the all terrain cross country vehicle of the fourth aspect embodiment, including the bumper assembly 100 of the above-mentioned first embodiment. By adopting the shock absorber assembly 100, the external damping piece 130 is external, the arrangement position of the external damping piece is adjustable, the whole external damping piece 130 can be arranged at will, the arrangement of various space conditions is met, and the arrangement of the whole vehicle is more reasonable.

Fifth embodiment

An all terrain off-road vehicle according to a fifth aspect of the present invention comprises the front shock absorber arrangement of the second embodiment described above; and/or the rear shock absorber arrangement of the third embodiment described above. By adopting the arrangement structure, the external damping piece 130 is external and the arrangement position is adjustable, the whole external damping piece 130 can be arranged at will, the arrangement of various space conditions is met, and the arrangement of the whole vehicle is more reasonable.

Other components of an all-terrain off-road vehicle, such as wheels, body panels, etc., and operation, according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A shock absorber assembly for an off-road vehicle, comprising:

the shock absorber comprises a shock absorber body, a connecting part and a damping part, wherein the shock absorber body comprises a main cylinder and an elastic element sleeved outside the main cylinder, and two ends of the main cylinder are provided with the connecting parts;

a pipeline comprising a first pipe joint and a second pipe joint; and

the first pipe joint is inserted in the external damping part and communicated with the external damping part, and the second pipe joint is inserted in the main cylinder and communicated with the main cylinder; at least one of the first and second pipe fittings is configured to be torsionally adjustable.

2. The shock absorber assembly as set forth in claim 1 wherein said outboard damping member includes: damping piece body, damping governing valve, first mount pad with first coupling is pegged graft, and have with the socket of first coupling grafting adaptation, the damping governing valve install in first mount pad, the damping piece body passes through first mount pad is fixed.

3. The shock absorber assembly of claim 2 wherein the first mounting seat includes a seat body and a valve mounting portion, a tube mounting portion, a fixing portion connected to the seat body, the tube mounting portion being disposed parallel to the damping member body, the valve mounting portion, the damping member body, the tube mounting portion being coplanar with a central axis of the valve mounting portion, the damping member body, the tube mounting portion, and the valve mounting portion being disposed inclined toward the seat body.

4. The damper assembly according to any one of claims 1-3, wherein the master cylinder includes a master cylinder body, a piston push rod extending from a first end of the master cylinder body, the connecting portion including: the first connecting head is connected to the end part of the main cylinder body, and the second connecting head is connected to the end part of the piston push rod;

the main cylinder body further comprises a second mounting seat for inserting a pipeline, and the second mounting seat is located between the elastic element and the first connecting head.

5. The shock absorber assembly according to claim 4, wherein the master cylinder further comprises an adjusting coil, an intermediate mounting seat and a backing plate, the adjusting coil is sleeved on the master cylinder body and is in threaded fit with the master cylinder body, the adjusting coil is located between the second mounting seat and the intermediate mounting seat, the intermediate mounting seat is sleeved outside the master cylinder body, and the backing plate is fixed on the push rod and is located on the upper side of the second connecting head;

the elastic element comprises a lower first spring and a second spring, the first spring is clamped between the adjusting coil and the middle mounting seat, and the second spring is clamped between the middle mounting seat and the backing plate.

6. An all terrain off-road vehicle, comprising:

a front frame;

a left front shock absorber assembly and a right front shock absorber assembly, the left front shock absorber assembly and the right front shock absorber assembly being the shock absorber assembly as claimed in any one of claims 1 to 5; and

the lower end of each shock absorber body is connected to the front suspension, the upper end of each shock absorber body is connected to the front portion of the front frame, and the external damping parts of the two shock absorber assemblies are connected with the front frame.

7. The all terrain off-road vehicle of claim 6 wherein the front frame includes a main frame and a subframe detachably connected to a middle rear portion of the main frame, one of the outboard damping member of the left front shock absorber assembly and the outboard damping member of the right front shock absorber assembly being detachably connected to the main frame and the other being detachably connected to the subframe.

8. An all-terrain off-road vehicle as defined in claim 7, wherein the main frame is of a frame structure, the main frame includes a front connecting frame, two side connecting frames, and an inner rear connecting frame, both of the shock absorber bodies are connected to the front connecting frame, a front end of the inner rear connecting frame is connected to the front connecting frame and a rear end thereof is connected to one of the side connecting frames, one of a left end and a right end of the sub-frame is connected to the other of the side connecting frames, and the other of the left end and the right end of the sub-frame is connected to the inner rear connecting frame.

9. The all-terrain off-road vehicle of claim 8, wherein the subframe comprises a transverse rod, a longitudinal rod and a longitudinal reinforcing rod, two ends of the transverse rod are respectively connected to the side connecting frame and the inner rear connecting frame, the rear end of the longitudinal rod is connected with the transverse rod, the front end of the longitudinal rod is connected with the front connecting frame, the longitudinal reinforcing rod is provided with a bend, two ends of the longitudinal reinforcing rod are respectively connected with the transverse rod and the longitudinal rod and define an annular area, the inner rear connecting frame and the longitudinal rod are respectively provided with an air bag mounting seat, and one external damping member is connected with the air bag mounting seat in the annular area.

10. An all terrain off-road vehicle as defined in any of claims 6-9, wherein the damper adjustment valve of the outboard damper extends obliquely upwardly and forwardly.

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