Dustproof cover for automobile shock absorber

Abstract

The utility model relates to the technical field of automobile parts, and discloses a dust cover for an automobile shock absorber, which comprises an upper fixing ring and a lower fixing ring, an outer-layer dust cover and an inner-layer dust cover are connected between the upper fixing ring and the lower fixing ring, the outer-layer dust cover covers the inner-layer dust cover, and the inner-layer dust cover covers the outer-layer dust cover. An elastic connecting layer is arranged between the outer-layer dust cover and the inner-layer dust cover, the outer side of the elastic connecting layer is fixedly connected with the inner wall of the outer-layer dust cover, the outer-layer dust cover and the inner-layer dust cover are used for dust prevention of the inner layer and the outer layer, the dust prevention effect is good, and after the outer-layer dust cover serving as the outer layer is damaged, the inner-layer dust cover can still prevent dust. The outer-layer dust cover and the inner-layer dust cover are connected through the elastic connecting layer, so that the deformation ranges of the outer-layer dust cover and the inner-layer dust cover in the stretching and retracting process tend to be consistent, then the stretching and retracting range is limited through the telescopic rods, and the inner-layer dust cover is prevented from making contact with the damping springs on the inner side in the stretching and retracting process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, in particular to a dust cover for automobile shock absorber. BACKGROUND

[0002] And the dust cover of shock absorber is very important part in shock absorber assembly, its function can effectively prevent the erosion of mud, gravel, dust etc. to shock absorber caused by oil leakage, abnormal sound, therefore, improve the dust cover structure of automobile shock absorber can effectively improve the working environment of automobile suspension system, further prolong its service life, when the deformation of dust cover occurs, because there is a certain space between the middle part of dust cover and shock absorber, the middle part of dust cover is bent, causes the inner peripheral wall of middle part of dust cover and shock absorber to touch, causes the collision sound of dust cover and shock absorber during the running of automobile. SUMMARY

[0003] The utility model discloses a dust cover for automobile shock absorber to solve the problem in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a dust cover for automobile shock absorber, including upper fixed ring, lower fixed ring, the upper fixed ring, lower fixed ring are connected with outer dust cover, inner dust cover, the outer dust cover covers in the outer of inner dust cover, be provided with elastic connecting layer between the outer dust cover, inner dust cover, the outer side of elastic connecting layer and the inner wall of outer dust cover fixed connection, the inner side of elastic connecting layer and the outer wall of inner dust cover fixed connection, the top of lower fixed ring is fixedly installed with telescopic link, and the telescopic end of telescopic link is fixedly connected with the bottom of upper fixed ring, and the telescopic link is located between outer dust cover, inner dust cover, and the telescopic link is movably penetrated through elastic connecting layer, the elastic connecting layer is provided with multiple, and is equally spaced distribution between outer dust cover, inner dust cover from top to bottom.

[0005] Further, the outer wall of the outer dust cover is provided with a heat dissipation hole, and the inner layer dust cover is fixedly provided with a carbon fiber reinforced heat conducting wire inside, and the carbon fiber reinforced heat conducting wire is uniformly distributed on the inner layer dust cover.

[0006] Further, the telescopic link is made of high-thermal-conductivity aluminum alloy, and the telescopic link is arranged in a circumferential array between the upper fixed ring and the lower fixed ring.

[0007] Further, the top of the upper fixed ring and the bottom of the lower fixed ring are fixedly installed with a mounting sleeve.

[0008] Further, the outer wall of the mounting sleeve is provided with a through slot, and the inner wall of the through slot is fixedly installed with a dust screen.

[0009] Further, the through grooves on the mounting sleeve are provided in plurality and are arranged in a circumferential array on the mounting sleeve.

[0010] Compared with the prior art, the utility model has the advantages of:

[0011] 1. The outer dust cover and the inner dust cover are used as the inner and outer dustproof layers, the dustproof effect is good, and after the outer dust cover is damaged, the inner dust cover can still prevent dust, the elastic connecting layer is used to connect the outer dust cover and the inner dust cover, the deformation ranges of the outer dust cover and the inner dust cover in the extension and contraction process are consistent, then the telescopic rod is used to limit the extension and contraction range, and the inner dust cover is prevented from contacting the damping spring on the inner side during the extension and contraction;

[0012] 2. The heat dissipation holes are arranged for heat dissipation, air between the outer dust cover and the inner dust cover can exchange with external air during the extension and contraction of the outer dust cover and the inner dust cover, the outer dust cover and the inner dust cover are prevented from being compressed due to the fact that air in the outer dust cover and the inner dust cover cannot be discharged, the carbon fiber reinforced heat conducting wire is arranged in the inner dust cover, heat generated by the damper on the inner side of the inner dust cover can be transmitted to the inner dust cover, then air exchange between the outer dust cover and the inner dust cover is performed, and then the heat is discharged;

[0013] 3. During the operation of the damper, the outer dust cover and the inner dust cover are extended and contracted, air on the inner side of the inner dust cover in contact with the damper flows, the air carries away heat on the damper, and then the heat is discharged from the through groove, and the dust screen effectively prevents dust in the air from entering the inner side of the inner dust cover and then contacting the damper. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a structural schematic view of the utility model Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 3 It is a structural schematic view of the utility model outer dust cover and inner dust cover;

[0017] Figure 4 It is a structural schematic view of the utility model telescopic rod.

[0018] In the drawing: 1, upper fixed ring; 2, lower fixed ring; 3, outer dust cover; 4, inner dust cover; 5, telescopic rod; 6, elastic connecting layer; 7, mounting sleeve; 8, dust screen. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments.

[0020] Please refer to Figures 1-4 The utility model provides a technical scheme: a dust cover for automobile shock absorber, including upper fixed ring 1, lower fixed ring 2, upper fixed ring 1, lower fixed ring 2 are connected with outer dust cover 3, inner dust cover 4 between, outer dust cover 3 covers in the outer of inner dust cover 4, be provided with elastic connecting layer 6 between outer dust cover 3, inner dust cover 4, the inner wall of elastic connecting layer 6's outside and outer dust cover 3 are fixedly connected, the outer wall of elastic connecting layer 6's inside and inner dust cover 4 are fixedly connected, the top of lower fixed ring 2 is fixedly installed with telescopic link 5, and the telescopic end of telescopic link 5 is fixedly connected with the bottom of upper fixed ring 1, and telescopic link 5 is located between outer dust cover 3, inner dust cover 4, and telescopic link 5 moves through elastic connecting layer 6, and elastic connecting layer 6 is set up multiple, and from top to bottom equidistance distribution between outer dust cover 3, inner dust cover 4, adopt outer dust cover 3, inner dust cover 4 as inside and outside two layers of dustproof, and the dustproof effect is good, and after the breakage of outer dust cover 3 as the outer layer, inner dust cover 4 still can carry out dustproof, utilize elastic connecting layer 6 and connect outer dust cover 3, inner dust cover 4, make the deformation range of outer dust cover 3, inner dust cover 4 in the telescopic process tend to be consistent, then through the telescopic telescopic link 5 to the telescopic range is limited, avoids inner dust cover 4 and the inside shock absorber spring contact when telescoping;

[0021] The outer wall of outer dust cover 3 is provided with a heat dissipation hole, and carbon fiber reinforced heat conducting wires are fixedly arranged in the inner layer dust cover 4, and the carbon fiber reinforced heat conducting wires are uniformly distributed on the inner layer dust cover 4. The heat dissipation hole is arranged for heat dissipation, and the air between the outer dust cover 3 and the inner dust cover 4 can exchange with the air outside during the telescopic process of the outer dust cover 3 and the inner dust cover 4, so that the air in the outer dust cover 3 and the inner dust cover 4 cannot be discharged, which limits the compression of the outer dust cover 3 and the inner dust cover 4. The carbon fiber reinforced heat conducting wires arranged in the inner layer dust cover 4 can transfer the heat generated by the inner side shock absorber to the inner layer dust cover 4, and then exchange heat with the air between the outer dust cover 3 and the inner dust cover 4, and then discharge the heat.

[0022] The telescopic link 5 is made of high thermal conductivity aluminum alloy, and a plurality of telescopic links 5 are arranged in a circumferential array between the upper fixed ring 1 and the lower fixed ring 2. The telescopic link 5 with better heat conductivity is used to exchange the heat on the inner layer dust cover 4, and a plurality of telescopic links 5 are arranged to increase the heat exchange area and improve the heat dissipation effect.

[0023] The top of the upper fixing ring 1 and the bottom of the lower fixing ring 2 are fixedly provided with mounting sleeves 7, which are arranged for mounting the upper fixing ring 1 and the lower fixing ring 2.

[0024] The outer wall of the mounting sleeve 7 is provided with a through slot, and the inner wall of the through slot is fixedly provided with a dust screen 8.

[0025] The through slot of the mounting sleeve 7 is provided with a plurality of through slots, which are circumferentially arranged on the mounting sleeve 7, so as to increase the air exchange channel between the inner side of the inner dust cover 4 and the outside, thereby increasing the heat dissipation efficiency.

[0026] Working principle: in use, the mounting sleeve 7 moves up and down during the working process of the shock absorber, thereby causing the outer dust cover 3 and the inner dust cover 4 to continuously expand and contract.

[0027] Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

Claims

1. A dust cover for a car shock absorber, comprising an upper fixing ring (1) and a lower fixing ring (2), characterized in that: The upper fixed ring (1), the lower fixed ring (2) are connected with outer dust cover (3), inner dust cover (4), the outer dust cover (3) covers in the outer dust cover (4), the outer dust cover (3), inner dust cover (4) between the elastic connecting layer (6) is arranged, the outside of the elastic connecting layer (6) and the inner wall of outer dust cover (3) are fixedly connected, the inside of the elastic connecting layer (6) and the outer wall of inner dust cover (4) are fixedly connected, the top of the lower fixed ring (2) is fixedly installed telescopic rod (5), the telescopic end of telescopic rod (5) and the bottom of upper fixed ring (1) are fixedly connected, telescopic rod (5) is located between outer dust cover (3), inner dust cover (4), telescopic rod (5) moves through the elastic connecting layer (6), the elastic connecting layer (6) is provided with multiple, and from top to bottom equidistantly distributed between outer dust cover (3), inner dust cover (4).

2. The dust boot of claim 1, wherein: The outer wall of the outer dust cover (3) is provided with a heat dissipation hole, and the inner wall of the inner dust cover (4) is fixedly provided with a carbon fiber reinforced heat conducting wire, and the carbon fiber reinforced heat conducting wire is uniformly distributed on the inner dust cover (4).

3. The dust boot of claim 1, wherein: The telescopic rod (5) is made of high thermal conductivity aluminum alloy, the telescopic rod (5) is provided with multiple, and circularly arrayed between the upper fixed ring (1) and the lower fixed ring (2).

4. The dust boot of claim 1 wherein: The top of the upper fixed ring (1) and the bottom of the lower fixed ring (2) are fixedly installed with mounting sleeve connector (7).

5. The dust boot of claim 4, wherein: The outer wall of the mounting sleeve connector (7) is provided with a through slot, and the inner wall of the through slot is fixedly installed with a dust screen (8).

6. The dust boot of claim 4 wherein: The through slot of the mounting sleeve connector (7) is provided with multiple, and circularly arrayed on the mounting sleeve connector (7).

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