CN216078100U

CN216078100U - Telescopic dust cover shock absorber

Info

Publication number: CN216078100U
Application number: CN202121650903.6U
Authority: CN
Inventors: 吕伟杰; 杨军
Original assignee: Zhejiang Zhengsheng Shock Absorber Co ltd
Current assignee: Zhejiang Zhengsheng Shock Absorber Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-03-18
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a telescopic dust cover shock absorber in the field of automobile shock absorbers, which comprises a lower spring post, wherein the outer surface of the lower spring post is sleeved with a first flange, the upper surface of the first flange is fixedly connected with a first guide cylinder, the outer surface of the first guide cylinder is sleeved with a first circular ring, the upper surface of the first circular ring is fixedly connected with four connecting columns which are arranged at equal intervals, the top ends of two groups of connecting columns are commonly connected with a second circular ring, the inner part of the second circular ring is clamped with a second guide cylinder, the upper surface of the second guide cylinder is fixedly connected with a second flange, when a shock absorber is deformed, the dust cover can correspondingly change in a telescopic way by arranging the first flange to be matched with the first guide cylinder, the dust cover can stably slide on the outer surface of the first guide cylinder by arranging the first circular ring to be matched with a connecting block, and the connecting columns to be matched with the first circular ring and the second circular ring, can fix dustproof filter screen, prevent inside outside dust gets into the dustproof screen.

Description

Telescopic dust cover shock absorber

Technical Field

The utility model relates to the field of automobile shock absorbers, in particular to a telescopic dust cover shock absorber.

Background

The shock absorber is used for inhibiting the impact generated when the spring recovers after shock absorption and the impact from the road surface, is widely applied to automobiles to accelerate the shock absorption of a frame and an automobile body and improve the riding comfort of the automobiles, although the shock absorber spring can filter the road surface vibration after passing through an uneven road surface, the spring can also do reciprocating motion, the shock absorber is used for inhibiting the jump of the spring, the shock absorber generates vibration due to the impact of an elastic element in a suspension system, in order to improve the running smoothness of the automobiles, the shock absorber is arranged in parallel with the elastic element in the suspension, in order to attenuate the vibration, most of the shock absorbers in the automobile suspension system are hydraulic shock absorbers, the working principle is that when the frame or the automobile body and an axle are vibrated to generate relative motion, a piston in the shock absorber moves up and down, oil in a shock absorber cavity repeatedly flows into another cavity from one cavity through different pores, and at the moment, the damping force is formed by the friction between a pore wall and the oil and the inner friction between oil molecules on the vibration, the vibration energy of the automobile is converted into oil heat energy which is absorbed by the shock absorber and emitted to the atmosphere.

The existing dust cover of the automobile shock absorber generally has the defects that direct fixing and forming cannot be carried out along with the up-and-down movement of the shock absorber to correspondingly stretch and retract, and the shock absorber cannot be completely sealed, so that the dust-proof effect is greatly reduced. Accordingly, those skilled in the art have provided a telescoping dust boot damper to address the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide a telescoping dust boot shock absorber that solves the problems set forth in the background above.

In order to achieve the purpose, the utility model provides the following technical scheme:

retractable dust cover shock absorber, including the lower spring post, the surface cover of lower spring post is equipped with first flange, the last fixed surface of first flange is connected with first guide cylinder, the surface cover of first guide cylinder is equipped with first ring, the last fixed surface of first ring is connected with the spliced pole that four equidistance were arranged, and is two sets of the top of spliced pole is connected with the second ring jointly, the inside joint of second ring has the second guide cylinder, the last fixed surface of second guide cylinder is connected with the second flange.

As a still further scheme of the utility model: the outer surface of the first guide cylinder and the outer surface of the second guide cylinder are provided with guide grooves which are arranged equidistantly, and the number of the guide grooves is at least two.

As a still further scheme of the utility model: the inner wall of the first circular ring and the inner wall of the second circular ring are fixedly connected with connecting blocks which are arranged equidistantly, and each connecting block is clamped in the guide groove.

As a still further scheme of the utility model: two sets of the equal fixedly connected with extension spring in the side that the connecting block is close to each other, every group the one end that the extension spring is close to each other all with the inner wall fixed connection of guide way.

As a still further scheme of the utility model: the upper surface fixed connection of first ring has four dustproof filter screens that the equidistance was arranged, every the upper surface of dustproof filter screen all with the bottom surface fixed connection of second ring, every the both sides face of dustproof filter screen all with the outer fixed surface connection of spliced pole.

As a still further scheme of the utility model: the last fixed surface of lower spring post is connected with the connecting rod, the top fixedly connected with piston of connecting rod, the surface cover of piston is equipped with the hydro-cylinder, the last fixed surface of hydro-cylinder is connected with the spring post, the last fixed surface of lower spring post is connected with pressure spring, pressure spring's top and the bottom surface fixed connection of last spring post.

As a still further scheme of the utility model: the upper surface of the first flange and the upper surface of the second flange are provided with connecting holes which are arranged equidistantly, and the number of the connecting holes is at least two.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the first flange is matched with the first guide cylinder, so that the dust cover can be correspondingly stretched and contracted when the shock absorber deforms, and the first circular ring is matched with the connecting block, so that the dust cover can stably slide on the outer surface of the first guide cylinder, and the device is stabilized.

2. According to the utility model, the connecting column is arranged to be matched with the first circular ring and the second circular ring, so that the dustproof filter screen can be fixed, external dust is prevented from entering the dustproof screen, the effect of keeping the interior of the dustproof screen clean and tidy is achieved, the dustproof screen can stably slide on the outer surface of the second guide cylinder through the arrangement of the second circular ring matched with the connecting block, the dustproof screen can be ensured not to deviate when stretching and retracting through the arrangement of the guide groove matched with the connecting block, the effect of keeping equipment safe is achieved, and the dustproof screen can also perform a corresponding stretching function when the shock absorber deforms through the mutual matching of the parts.

Drawings

FIG. 1 is a schematic structural diagram of a front view of a dust screen according to the present invention;

FIG. 2 is a schematic structural diagram of a front view of a second guide cylinder according to the present invention;

FIG. 3 is a schematic structural view of a front view of a connecting column of the present invention;

fig. 4 is a schematic structural diagram of a front view of the oil cylinder in the utility model.

In the figure: 1. a first flange; 2. a first guide cylinder; 3. a first circular ring; 4. a dustproof filter screen; 5. a second circular ring; 6. a second guide cylinder; 7. a second flange; 8. an upper spring post; 9. connecting holes; 10. a guide groove; 11. a lower spring post; 12. a tension spring; 13. connecting columns; 14. connecting blocks; 15. an oil cylinder; 16. a piston; 17. a connecting rod; 18. a pressure spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1 to 4, in the embodiment of the present invention, the retractable dust cover shock absorber includes a lower spring post 11, a first flange 1 is sleeved on an outer surface of the lower spring post 11, a first guide cylinder 2 is fixedly connected to an upper surface of the first flange 1, a first circular ring 3 is sleeved on an outer surface of the first guide cylinder 2, four connecting columns 13 arranged at equal intervals are fixedly connected to an upper surface of the first circular ring 3, a second circular ring 5 is connected to top ends of the two groups of connecting columns 13 together, a second guide cylinder 6 is clamped inside the second circular ring 5, and a second flange 7 is fixedly connected to an upper surface of the second guide cylinder 6.

Wherein, the outer surface of the first guide cylinder 2 and the outer surface of the second guide cylinder 6 are both provided with guide grooves 10 which are arranged equidistantly, the number of the guide grooves 10 is at least two, the inner wall of the first circular ring 3 and the inner wall of the second circular ring 5 are both fixedly connected with connecting blocks 14 which are arranged equidistantly, each group of the connecting blocks 14 is clamped in the guide grooves 10, and the guide grooves 10 are arranged to be matched with the connecting blocks 14, can ensure that the first circular ring 3 and the second circular ring 5 stably move on the outer surfaces of the first guide cylinder 2 and the second guide cylinder 6 to play a role of keeping the moving direction, one side surface of two groups of connecting blocks 14 close to each other is fixedly connected with a tension spring 12, one end of each group of tension springs 12 close to each other is fixedly connected with the inner wall of the guide groove 10, through the arrangement of the tension springs 12, the first ring 3 and the second ring 5 can be assisted to smoothly restore to the original positions after the shock absorber deforms.

Wherein, the upper surface of the first ring 3 is fixedly connected with four dustproof filter screens 4 which are arranged equidistantly, the upper surface of each dustproof filter screen 4 is fixedly connected with the bottom surface of the second ring 5, two side surfaces of each dustproof filter screen 4 are fixedly connected with the outer surface of the connecting column 13, the dustproof filter screens 4 are arranged to prevent dust and sundries generated in the driving process of an automobile from entering the interior of the dustproof cover and play a role of keeping the interior of the dustproof cover clean, the upper surface of the lower spring column 11 is fixedly connected with a connecting rod 17, the top end of the connecting rod 17 is fixedly connected with a piston 16, the outer surface of the piston 16 is sleeved with an oil cylinder 15, the upper surface of the oil cylinder 15 is fixedly connected with an upper spring column 8, the upper surface of the lower spring column 11 is fixedly connected with a pressure spring 18, the top end of the pressure spring 18 is fixedly connected with the bottom surface of the upper spring column 8, and by the connecting rod 17, the piston 16 and the oil cylinder 15, can play for automobile shock absorber's effect, connecting hole 9 that the equidistance was arranged is all seted up to the upper surface of first flange 1 and the upper surface of second flange 7, and the quantity of connecting hole 9 all is two sets of at least, can play the effect of fixed dust cover through being provided with first flange 1 and second flange 7 cooperation connecting hole 9, guarantees the safety and stability of dust cover in the vehicle traveles.

The working principle of the utility model is as follows: when the shock absorber is in the extension stroke, the shock absorber piston 16 moves towards the outside of the oil cylinder 15, the first flange 1 and the second flange 7 respectively drive the first guide cylinder 2 and the second guide cylinder 6 to move towards each other, the first ring 3 and the second ring 5 move towards each other in the guide groove 10 through the connecting block 14, so that the tension spring 12 is in the extension state, when the shock absorber is in the extension stroke, the shock absorber piston 16 moves towards the outside of the oil cylinder 15, the first flange 1 and the second flange 7 respectively drive the first guide cylinder 2 and the second guide cylinder 6 to move in the opposite direction, the first ring 3 and the second ring 5 move towards each other in the guide groove 10 through the connecting block 14, so that the tension spring 12 is in the contraction state, when the bumper shock absorber takes place deformation, the dust cover also can carry out corresponding flexible, and dust and debris that dustproof filter screen 4 can effectively filter the vehicle in-process production of traveling guarantee the inside clean and tidy of dust cover, simultaneously because the bumper shock absorber can produce a large amount of heat energy at the vehicle in-process of traveling, dustproof filter screen 4's gas permeability also makes the dust cover have ventilation cooling's function, plays the effect of guaranteeing vehicle safety of traveling.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. Retractable dust cover shock absorber, including lower spring post (11), its characterized in that: the surface cover of lower spring post (11) is equipped with first flange (1), the last fixed surface of first flange (1) is connected with first guide cylinder (2), the surface cover of first guide cylinder (2) is equipped with first ring (3), the spliced pole (13) that four equidistance were arranged of last fixed surface of first ring (3) are connected with, and are two sets of the top of spliced pole (13) is connected with second ring (5) jointly, the inside joint of second ring (5) has second guide cylinder (6), the last fixed surface of second guide cylinder (6) is connected with second flange (7).

2. The telescoping dust cap shock absorber according to claim 1, wherein: the outer surface of the first guide cylinder (2) and the outer surface of the second guide cylinder (6) are provided with guide grooves (10) which are arranged equidistantly, and the number of the guide grooves (10) is at least two.

3. The telescoping dust cap shock absorber according to claim 2, wherein: the inner wall of the first circular ring (3) and the inner wall of the second circular ring (5) are fixedly connected with connecting blocks (14) which are arranged equidistantly, and each connecting block (14) is clamped in the guide groove (10).

4. The telescoping dust cap shock absorber according to claim 3, wherein: two sets of the equal fixedly connected with extension spring (12) in a side that connecting block (14) are close to each other, every group the one end that extension spring (12) are close to each other all with the inner wall fixed connection of guide way (10).

5. The telescoping dust cap shock absorber according to claim 3 or 4, wherein: the upper surface fixed connection of first ring (3) has four dustproof filter screens (4) that the equidistance was arranged, every the upper surface of dustproof filter screen (4) all with the bottom surface fixed connection of second ring (5), every the both sides face of dustproof filter screen (4) all is connected with the external fixed surface of spliced pole (13).

6. The telescoping dust cap shock absorber according to claim 1, wherein: the last fixed surface of lower spring post (11) is connected with connecting rod (17), the top fixedly connected with piston (16) of connecting rod (17), the surface cover of piston (16) is equipped with hydro-cylinder (15), last fixed surface of hydro-cylinder (15) is connected with and goes up spring post (8), the last fixed surface of lower spring post (11) is connected with pressure spring (18), the top of pressure spring (18) and the bottom surface fixed connection of last spring post (8).

7. The telescoping dust cap shock absorber according to claim 1, wherein: the upper surface of the first flange (1) and the upper surface of the second flange (7) are provided with connecting holes (9) which are arranged equidistantly, and the number of the connecting holes (9) is at least two.