1. A shock absorber comprising a first mount (100), a second mount (200), a damping medium accommodating tube (300), a connecting rod (400), and a dust boot assembly (500);

the damping medium accommodating cylinder (300) is connected with the first mounting seat (100), the damping medium accommodating cylinder (300) is used for accommodating damping medium, a first end of the connecting rod (400) extends into the damping medium accommodating cylinder (300), the connecting rod (400) and the damping medium accommodating cylinder (300) are in guiding fit in the telescopic direction of the connecting rod (400), a second end of the connecting rod (400) is connected with the second mounting seat (200), and the first end and the second end are arranged oppositely;

dustproof cover subassembly (500) are located damping medium hold a section of thick bamboo (300) with between second mount pad (200), just dustproof cover subassembly (500) are located the periphery of connecting rod (400), dustproof cover subassembly (500) include first dustproof sleeve pipe (510) and second dustproof sleeve pipe (520), first dustproof sleeve pipe (510) with damping medium holds a section of thick bamboo (300) and links to each other, second dustproof sleeve pipe (520) with second mount pad (200) link to each other, first dustproof sleeve pipe (510) with but second dustproof sleeve pipe (520) sliding connection.

2. The shock absorber according to claim 1, wherein the first dust boot (510) is embedded within the second dust boot (520), an outer wall of the first dust boot (510) and an inner wall of the second dust boot (520) being slidably connected.

3. The shock absorber according to claim 2, wherein one of the outer wall of the first dust sleeve (510) and the inner wall of the second dust sleeve (520) is provided with a protrusion (511), the other one is provided with a groove (521), the protrusion (511) and the groove (521) are in guiding fit in the telescopic direction of the connecting rod (400), and the protrusion (511) and the groove (521) are in limiting fit in the circumferential direction.

4. The shock absorber of claim 2, further comprising a bumper (600), the bumper (600) being disposed within the second dust sleeve (520), at least a portion of the bumper (600) facing an end of the first dust sleeve (510) that is embedded within the second dust sleeve (520).

5. The shock absorber according to claim 4, wherein the second end of the connecting rod (400) is connected to the second dust sleeve (520), and the second end of the connecting rod (400) is connected to the second mounting seat (200) through the second dust sleeve (520), and the bumper (600) is provided at the second end of the connecting rod (400).

6. Shock absorber according to claim 5, wherein said bumper (600) is provided with a central hole (610), said bumper (600) being interference fitted with said connecting rod (400) through said central hole (610).

7. The shock absorber according to claim 5, wherein the bumper (600) is provided with an outer peripheral surface (620), and the bumper (600) is interference fitted with the second dust boot (520) through the outer peripheral surface (620).

8. The shock absorber of claim 1, further comprising a seal disposed between the first dust sleeve (510) and the second dust sleeve (520).

9. A vehicle comprising a shock absorber according to any one of claims 1 to 8.

10. The vehicle of claim 9, characterized in that the vehicle comprises a body and a frame, the body being arranged to the frame, the shock absorber being arranged between the body and the frame, the first mounting (100) being connected to the body, the second mounting (200) being connected to the frame.

Background

The shock absorber is a damping element of the suspension system, affects the stability and smoothness of the vehicle operation, and is one of the key parts of the suspension system. The shock absorber includes oil storage bucket, connecting rod and plastics dust cover, and the oil storage bucket is located the below, and the connecting rod is located the top, and the plastics dust cover has dirt-proof effect to connecting rod and oil storage bucket import, but the plastics dust cover loses efficacy easily, causes debris scratch connecting rod, and the connecting rod receives the yawing force and leads to easy bending deformation.

Disclosure of Invention

The invention discloses a shock absorber and a vehicle, and aims to solve the problem that a connecting rod is easy to bend and deform due to lateral force in the conventional shock absorber.

In order to solve the problems, the invention adopts the following technical scheme:

a shock absorber comprises a first mounting seat, a second mounting seat, a damping medium containing cylinder, a connecting rod and a dustproof sleeve component,

the damping medium accommodating cylinder is connected with the first mounting seat and used for accommodating damping media, the first end of the connecting rod extends into the damping medium accommodating cylinder, the connecting rod and the damping medium accommodating cylinder are in guiding fit in the telescopic direction of the connecting rod, the second end of the connecting rod is connected with the second mounting seat, and the first end and the second end are arranged in a back-to-back mode;

the dustproof sleeve assembly is arranged between the damping medium containing cylinder and the second mounting seat and located at the periphery of the connecting rod, the dustproof sleeve assembly comprises a first dustproof sleeve and a second dustproof sleeve, the first dustproof sleeve is connected with the damping medium containing cylinder, the second dustproof sleeve is connected with the second mounting seat, and the first dustproof sleeve is connected with the second dustproof sleeve in a sliding mode.

Optionally, the first dust sleeve is embedded in the second dust sleeve, and an outer wall of the first dust sleeve is slidably connected to an inner wall of the second dust sleeve.

Optionally, one of the outer wall of the first dust-proof sleeve and the inner wall of the second dust-proof sleeve is provided with a protrusion, the other one of the outer wall of the first dust-proof sleeve and the inner wall of the second dust-proof sleeve is provided with a groove, the protrusion and the groove are in guiding fit in the telescopic direction of the connecting rod, and the protrusion and the groove are in limiting fit in the circumferential direction.

Optionally, the shock absorber further comprises a buffer block, the buffer block is arranged in the second dustproof sleeve, and at least part of the buffer block faces the end part of the first dustproof sleeve, which is embedded in the second dustproof sleeve.

Optionally, the second end of the connecting rod is connected to the second dust-proof sleeve, the second end of the connecting rod is connected to the second mounting seat through the second dust-proof sleeve, and the buffer block is disposed at the second end of the connecting rod.

Optionally, the buffer block is provided with a central hole, and the buffer block is in interference fit with the connecting rod through the central hole.

Optionally, the buffer block is provided with an outer peripheral surface, and the buffer block is in interference fit with the second dust sleeve through the outer peripheral surface.

Optionally, the shock absorber further comprises a seal disposed between the first and second dust sleeves.

A vehicle comprises the shock absorber.

Optionally, the vehicle includes a vehicle body and a frame, the vehicle body is disposed on the frame, the shock absorber is disposed between the vehicle body and the frame, the first mounting seat is connected to the vehicle body, and the second mounting seat is connected to the frame.

The technical scheme adopted by the invention can achieve the following beneficial effects:

by adopting the shock absorber and the vehicle, the shock absorber comprises the dustproof sleeve assembly, the dustproof sleeve assembly comprises the first dustproof sleeve and the second dustproof sleeve, and the first dustproof sleeve and the second dustproof sleeve can protect the connecting rod and prevent the connecting rod from being damaged; the first dustproof sleeve and the second dustproof sleeve can be made of rigid materials, the first dustproof sleeve and the second dustproof sleeve are high in strength and difficult to lose efficacy, and the situation that sundries scratch the connecting rod and oil leaks due to the fact that the first dustproof sleeve and the second dustproof sleeve lose efficacy is avoided; but first dust sleeve and second dust sleeve sliding connection, first dust sleeve and second dust sleeve both can not influence the flexible of connecting rod, can also play better dustproof effect, can also play the effect of guide and support simultaneously, avoid the connecting rod to receive great yawing force, and lead to bending deformation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a block diagram of a shock absorber in an embodiment of the present invention;

FIG. 2 is an exploded view of the shock absorber in an embodiment of the present invention;

FIG. 3 is a block diagram of a first dust boot of the shock absorber in an embodiment of the present invention;

FIG. 4 is a structural view of a cushion block of the shock absorber in the embodiment of the present invention;

fig. 5 is a structural view of a second dust boot of the shock absorber in the embodiment of the present invention.

Description of reference numerals:

100-a first mounting seat,

200-a second mounting seat,

300-damping medium accommodating cylinder,

400-connecting rod,

500-dustproof cover component, 510-first dustproof sleeve, 511-bulge, 520-second dustproof sleeve, 521-groove,

600-buffer block, 610-center hole, 620-peripheral surface.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 5, the present invention provides a shock absorber, which includes a first mount 100, a second mount 200, a damping medium accommodating tube 300, a connecting rod 400, and a dust boot assembly 500.

Wherein the first mount 100 and the second mount 200 are connection members, the first mount 100 is for mounting to a first object, the second mount 200 is for mounting to a second object, and the damper is for reducing vibration between the first object and the second object. When the shock absorber of the present invention is used for a vehicle, the first mounting seat 100 is used for mounting to a vehicle body, the second mounting seat 200 is used for mounting to a vehicle frame, the shock absorber is used for reducing vibration between the vehicle body and the vehicle frame, and the shock absorber can improve vehicle operation stability and smoothness.

The damping medium accommodating cylinder 300 is used for accommodating a damping medium, for example, the damping medium may be hydraulic oil, the damping medium is arranged in the damping medium accommodating cylinder 300 during operation, the damping medium has viscosity, a first end of the connecting rod 400 extends into the damping medium accommodating cylinder 300, when the connecting rod 400 moves relative to the damping medium accommodating cylinder 300, the first end of the connecting rod 400 and the damping medium act, the damping medium has viscosity force on the first end of the connecting rod 400, so that the connecting rod 400 does not move too fast but moves smoothly and smoothly, the connecting rod 400 and the damping medium accommodating cylinder 300 are in guiding fit in the telescopic direction of the connecting rod 400, the connecting rod 400 and the damping medium accommodating cylinder 300 are mutually guided, so that the connecting rod 400 and the damping medium accommodating cylinder 300 move smoothly and relatively, the damping medium accommodating cylinder 300 is connected with the first mounting seat 100, a second end of the connecting rod 400 is connected with the second mounting seat 200, thereby reducing vibration between the first object and the second object.

The first end and the second end are arranged in a back-to-back manner. The first and second ends are the ends of the connecting rod 400.

The dust cover assembly 500 is arranged between the damping medium accommodating barrel 300 and the second mounting seat 200, the dust cover assembly 500 is located at the periphery of the connecting rod 400, the dust cover assembly 500 plays a role in protecting the connecting rod 400, sundries are prevented from scratching the connecting rod 400, oil leakage is avoided, the dust cover assembly 500 comprises a first dust sleeve 510 and a second dust sleeve 520, the first dust sleeve 510 is slidably connected with the second dust sleeve 520, the first dust sleeve 510 and the second dust sleeve 520 can protect the connecting rod 400 in the telescopic process of the connecting rod 400, and the connecting rod 400 is prevented from being damaged. The first dust-proof sleeve 510 and the second dust-proof sleeve 520 may be made of rigid materials, for example, made of steel or other metal materials, the strength of the first dust-proof sleeve 510 and the second dust-proof sleeve 520 is high, and the first dust-proof sleeve 510 is not easy to fail, and is connected to the damping medium containing barrel 300, the second dust-proof sleeve 520 is connected to the second mounting base 200, the first dust-proof sleeve 510 is slidably connected to the second dust-proof sleeve 520, the relative sliding of the first dust-proof sleeve 510 and the second dust-proof sleeve 520 does not affect the extension and retraction of the connecting rod, and can also guide the relative movement of the connecting rod 400 and the damping medium containing barrel 300, so as to guide and support the connecting rod 400, thereby preventing the connecting rod 400 from being subjected to lateral force and easily causing bending deformation.

The shock absorber comprises a dustproof sleeve assembly 500, wherein the dustproof sleeve assembly 500 comprises a first dustproof sleeve 510 and a second dustproof sleeve 520, and the first dustproof sleeve 510 and the second dustproof sleeve 520 can protect a connecting rod 400 and prevent the connecting rod 400 from being damaged; the first dust-proof sleeve 510 and the second dust-proof sleeve 520 can be made of rigid materials, the first dust-proof sleeve 510 and the second dust-proof sleeve 520 have high strength and are not easy to fail, and the connecting rod 400 is prevented from being scratched by sundries due to failure of the first dust-proof sleeve 510 and the second dust-proof sleeve 520, so that oil leakage is avoided; the first dust-proof sleeve 510 and the second dust-proof sleeve 520 are slidably connected, and the first dust-proof sleeve 510 and the second dust-proof sleeve 520 can also play a role in guiding and supporting, so that the connecting rod 400 is prevented from being subjected to large lateral force to cause bending deformation.

In the embodiment of the present invention, the first dust-proof sleeve 510 and the second dust-proof sleeve 520 are slidably connected, and the first dust-proof sleeve 510 may be embedded in the second dust-proof sleeve 520, and the outer wall of the first dust-proof sleeve 510 may be slidably connected to the inner wall of the second dust-proof sleeve 520; alternatively, the second dust boot 520 may be embedded within the first dust boot 510, and the outer wall of the second dust boot 520 may be slidably connected to the inner wall of the first dust boot 510.

To better protect the connecting rod 400, the first dust boot 510 may optionally be embedded within the second dust boot 520, with the outer wall of the first dust boot 510 slidably coupled to the inner wall of the second dust boot 520. In this case, the connecting rod 400 and the damping medium accommodating cylinder 300 are guided and matched in the telescopic direction of the connecting rod 400, the first dust-proof sleeve 510 is connected with the damping medium accommodating cylinder 300, the connecting rod 400 is located inside the first dust-proof sleeve 510, no other component is arranged between the connecting rod 400 and the first dust-proof sleeve 510, and the second dust-proof sleeve 520 is located outside the first dust-proof sleeve 510, so that collision or scratch of the connecting rod 400 caused by the second dust-proof sleeve 520 can be avoided.

Specifically, one of the outer wall of the first dust-proof sleeve 510 and the inner wall of the second dust-proof sleeve 520 is provided with a protrusion 511, the other one is provided with a groove 521, and the protrusion 511 and the groove 521 are in guiding fit in the telescopic direction of the connecting rod 400. The protrusion 511 and the groove 521 are in limit fit in the circumferential direction. The protrusion 511 and the groove 521 are in guiding fit in the telescopic direction of the connecting rod 400, so that relative movement between the connecting rod 400 and the damping medium accommodating barrel 300 can be better guided, the protrusion 511 and the groove 521 are in limiting fit in the circumferential direction, torsion between the first dust sleeve 510 and the second dust sleeve 520 can be avoided, and a supporting effect can be achieved in the vibration damping process.

Optionally, the outer wall of the first dust-proof sleeve 510 is provided with a protrusion 511, the inner wall of the second dust-proof sleeve 520 is provided with a groove 521, the protrusion 511 and the groove 521 are in guiding fit in the telescopic direction of the connecting rod 400, and the protrusion 511 and the groove 521 are in limit fit in the circumferential direction. Or the inner wall of the second dust-proof sleeve 520 is provided with a protrusion 511, the outer wall of the first dust-proof sleeve 510 is provided with a groove 521, the protrusion 511 and the groove 521 are in guiding fit in the telescopic direction of the connecting rod 400, and the protrusion 511 and the groove 521 are in limiting fit in the circumferential direction.

In the embodiment of the present invention, the shock absorber further comprises a buffer block 600, the buffer block 600 is disposed in the second dust-proof sleeve 520, and at least a portion of the buffer block 600 faces the end of the first dust-proof sleeve 510 embedded in the second dust-proof sleeve 520. The bumper 600 is made of a flexible material, such as rubber. The buffer block 600 can buffer the impact between the end of the first dust sleeve 510 embedded in the second dust sleeve 520 and the second dust sleeve 520, so as to avoid large impact.

The second end of the connecting rod 400 is connected to the second mounting base 200, the second end of the connecting rod 400 is directly connected to the second mounting base 200, or the second end of the connecting rod 400 is indirectly connected to the second mounting base 200, that is, connected through other components.

Optionally, the second end of the link 400 is connected to a second dust sleeve 520, the second dust sleeve 520 is connected to the second mounting seat 200, that is, the second end of the link 400 is connected to the second mounting seat 200 through the second dust sleeve 520, and the buffer block 600 is disposed at the second end of the link 400. The bumper 600 is disposed at the second end of the connecting rod 400, which facilitates the installation of the bumper 600, and the bumper 600 can better buffer the first dust sleeve 510 and the second dust sleeve 520.

The second end of the connecting rod 400 is located in the second dust-proof sleeve 520, the second end of the connecting rod 400 is connected with the second dust-proof sleeve 520, the buffer block 600 is arranged at the second end of the connecting rod 400, and the buffer block 600 is connected with at least one of the second dust-proof sleeve 520 and the second end of the connecting rod 400, so that the buffer block 600, the second dust-proof sleeve 520 and the second end of the connecting rod 400 can be connected together, and relative fixation among the three is realized.

The buffer block 600, the second dust sleeve 520 and the second end of the connecting rod 400 may be connected two by two to realize relative fixation therebetween. Alternatively, the bumper 600 may be connected to the second dust sleeve 520 and the second end of the link 400, respectively, to connect the bumper 600, the second dust sleeve 520, and the second end of the link 400 together. That is, the buffer block 600 connects the second dust boot 520 and the link 400 together.

The connection between the buffer block 600 and the second dust-proof sleeve 520, and the connection between the buffer block 600 and the second end of the connecting rod 400 may be direct connection or indirect connection, specifically, the connection between the buffer block 600 and the second dust-proof sleeve 520, and the connection between the buffer block 600 and the second end of the connecting rod 400 may be bonded, clamped, or connected by a fastener, which limits the connection manner.

Specifically, the buffer block 600 and the second end of the connecting rod 400 may be connected by interference fit, the buffer block 600 is provided with a central hole 610, and the buffer block 600 is in interference fit with the connecting rod 400 through the central hole 610. This kind of connected mode does not need other adapting unit, can reduce the quantity of spare part, and adopts interference fit, simple to operate.

The buffer block 600 and the second dust sleeve 520 can be connected in an interference fit manner, and the buffer block 600 is in interference fit with the second dust sleeve 520 through the outer peripheral surface 620. This kind of connected mode does not need other adapting unit, can reduce the quantity of spare part, and adopts interference fit, simple to operate.

Of course, the second end of the connecting rod 400 may also be directly and fixedly connected to the second dust sleeve 520, and the central hole 610 of the buffer block 600 is in interference fit with the connecting rod 400 or the outer peripheral surface 620 of the buffer block 600 is in interference fit with the second dust sleeve 520.

Or, the second end of the connecting rod 400 may be directly and fixedly connected to the second dust sleeve 520 through the buffer block 600, in this case, the central hole 610 of the buffer block 600 is in interference fit with the connecting rod 400, and the outer peripheral surface 620 of the buffer block 600 is in interference fit with the second dust sleeve 520, so that the buffer block 600 fixedly connects the second end of the connecting rod 400 to the second dust sleeve 520.

In an embodiment of the present invention, the shock absorber may further comprise a seal disposed between the first dust sleeve 510 and the second dust sleeve 520. The sealing member prevents dust or other fine materials from entering the interior of the dust boot assembly 500 from between the first dust boot 510 and the second dust boot 520, and prevents the dust and the like from damaging the connecting rod 400, i.e., the damping medium.

The embodiment of the invention also provides a vehicle which comprises a suspension, a vehicle body and a shock absorber. The damper is as described above. The vehicle in the embodiment of the invention can be a fuel automobile or a new energy automobile.

The first mount 100 is coupled to a body of a vehicle, and the second mount 200 is coupled to a frame of the vehicle. Thus, the buffer block 600 is located downward, and the damping medium accommodating cylinder 300 is located upward. The influence on the connection of the buffer block 600 caused by the action of gravity can be avoided, and the buffer block 600 is prevented from falling due to the failure of the connection between the buffer block 600 and the second dustproof sleeve 520 or the connecting rod 400 caused by the gravity.

In the vehicle of the present invention, the shock absorber includes a dust boot assembly 500, the dust boot assembly 500 includes a first dust boot 510 and a second dust boot 520, the first dust boot 510 and the second dust boot 520 can protect the connecting rod 400, and prevent the connecting rod 400 from being damaged; the first dust-proof sleeve 510 and the second dust-proof sleeve 520 are both made of rigid materials, the first dust-proof sleeve 510 and the second dust-proof sleeve 520 have high strength and are not easy to fail, and the connecting rod 400 is prevented from being scratched by sundries due to failure of the first dust-proof sleeve 510 and the second dust-proof sleeve 520, so that oil leakage is avoided; the first dust-proof sleeve 510 and the second dust-proof sleeve 520 are slidably connected, and the first dust-proof sleeve 510 and the second dust-proof sleeve 520 can also play a role in guiding and supporting, so that the connecting rod 400 is prevented from being subjected to large lateral force to cause bending deformation. The first mount 100 is coupled to a body of a vehicle, and the second mount 200 is coupled to a frame of the vehicle. Thus, the buffer block 600 is located downward, and the damping medium accommodating cylinder 300 is located upward. The influence on the connection of the buffer block 600 caused by the action of gravity can be avoided, and the interference fit failure of the buffer block 600 caused by the gravity is avoided.

In the above embodiments of the present invention, the difference between the embodiments is mainly described, and different optimization features between the embodiments can be combined to form a better embodiment as long as they are not contradictory, and further description is omitted here in view of brevity of the text.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.