Dustproof cover for automobile steering intermediate shaft

By incorporating a combination of puncture-resistant rubber rings, side guards, sealing rings, and a frosted layer on the dust cover of the automotive steering intermediate shaft, the problems of scratches on the clamp edges and easy damage to the structure are solved, resulting in a more stable fixation and higher reliability in use.

CN223578873UActive Publication Date: 2025-11-21CHONGQING ITALIAN GASKET RUBBER& PLASTIC CO LTD
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Patent Information

Application Number
CN202520123830.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2025-11-21
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

When existing automotive steering intermediate shaft dust covers are fixed with clamps, the sharp edges of the clamps can easily scratch the dust cover, and cracks and damage are likely to occur after prolonged use, increasing the risk of use.

Method used

The combination structure of puncture-resistant rubber ring, side guard ring, sealing ring and frosted layer protects the surface of the rubber sleeve. Combined with reinforced rubber ring and reinforced rubber sleeve, it improves the structural stability, prevents scratches and enhances the strength of the folded and bent parts.

Benefits of technology

It effectively prevents the edges of the clamps from scratching the rubber sleeve, improves the stability of the fixation, reduces the risk of use, and enhances the reliability and practicality of the dust cover.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223578873U_ABST
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Abstract

The utility model discloses a dust cover for an automobile steering intermediate shaft, and relates to the technical field of automobiles. The automobile steering intermediate shaft dust cover comprises a dust cover body, a protection structure, a protection structure and a reinforcing structure, the dust cover body is composed of a first rubber sleeve, a telescopic rubber sleeve and a second rubber sleeve, the first rubber sleeve is provided with a guide opening, the second rubber sleeve is provided with a guide slope, the protection structure is arranged on the second rubber sleeve, and the protection structure is arranged on the first rubber sleeve. And the reinforcing structure is arranged on the telescopic rubber sleeve. According to the dustproof cover for the steering intermediate shaft of the automobile, the first rubber sleeve and the second rubber sleeve can be protected conveniently when the hoop is installed in a sleeving mode, the situation that the sharp edge of the hoop scratches the surface of the first rubber sleeve or the surface of the second rubber sleeve can be prevented, and the use reliability of the dustproof cover is ensured; and meanwhile, the clamp has a good anti-skid effect in the fixing process, so that the dustproof cover is fixed more stably, and the practicability of the dustproof cover is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile, especially relates to a dust cover of automobile steering intermediate shaft. BACKGROUND

[0002] The dust cover of automobile steering intermediate shaft is an important part in the automobile steering system, which mainly prevents dust, water and oil stains to protect the core components of the steering system from damage. At the end of the steering machine cross rod and the wheel arm linkage, the dust cover is filled with lubricating grease, which can prevent atmospheric dust from entering the ball pin shell and store lubricating grease to ensure the smooth operation of the steering system. However, most of the existing dust covers are fixed and installed by using a clamp. Because the fixation is relatively tight, the edge of the clamp directly acts on the surface of the dust cover, which is relatively sharp. With the aging and hardening of the dust cover, cracks and damage are prone to occur at the position of the clamp edge, which increases the risk of using the dust cover. Therefore, the dust cover of automobile steering intermediate shaft is proposed. SUMMARY

[0003] The utility model discloses a dust cover of automobile steering intermediate shaft, which can solve the problem that most dust covers are fixed and installed by using a clamp. Because the fixation is relatively tight, the edge of the clamp directly acts on the surface of the dust cover, which is relatively sharp. With the aging and hardening of the dust cover, cracks and damage are prone to occur at the position of the clamp edge, which increases the risk of using the dust cover.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a dust cover of automobile steering intermediate shaft, which comprises a dust cover, a protection structure, a protection structure and a reinforcing structure. The dust cover is composed of a rubber sleeve one, an elastic sleeve and a rubber sleeve two. A guide hole is provided on the rubber sleeve one, and a guide slope is provided on the rubber sleeve two. The protection structure is arranged on the rubber sleeve two, and is used to protect the rubber sleeve two. The protection structure is arranged on the rubber sleeve one, and is used to protect the rubber sleeve one. The reinforcing structure is arranged on the elastic sleeve, and is used to reinforce the elastic sleeve.

[0005] Preferably, the elastic sleeve is fixedly connected with the rubber sleeve one and the rubber sleeve two. Two groups of reinforcing rubber rings are fixedly installed on the elastic sleeve and are distributed left and right. The two groups of reinforcing rubber rings are fixedly connected with the rubber sleeve one and the rubber sleeve two, so that the connection between the elastic sleeve and the rubber sleeve one and the rubber sleeve two is more stable.

[0006] Preferably, the reinforcing structure comprises a plurality of reinforcing rubber sleeves fixed on the elastic sleeve.

[0007] Preferably, the protection structure comprises the puncture-proof rubber ring one and the sealing ring one, the rubber sleeve two is provided with an annular groove, the puncture-proof rubber ring one is fixedly installed in the annular groove, the outer wall of the puncture-proof rubber ring one is fixedly installed with two groups of side protection rings one which are distributed on the left and right sides, the two groups of side protection rings one are fixedly connected with the inner walls of the two sides of the annular groove respectively, the inner wall of the rubber sleeve two is provided with an annular opening, and the sealing ring one is fixedly installed in the annular opening.

[0008] Preferably, the protection structure comprises the puncture-proof rubber ring one and the sealing ring one, the rubber sleeve two is provided with an annular groove, the puncture-proof rubber ring one is fixedly installed in the annular groove, the outer wall of the puncture-proof rubber ring one is fixedly installed with two groups of side protection rings one which are distributed on the left and right sides, the two groups of side protection rings one are fixedly connected with the inner walls of the two sides of the annular groove respectively, the inner wall of the rubber sleeve two is provided with an annular opening, and the sealing ring one is fixedly installed in the annular opening.

[0009] Preferably, the puncture-proof rubber ring one is fixedly installed with the frosted layer one.

[0010] Preferably, the puncture-proof rubber ring two is fixedly installed with the frosted layer two.

[0011] Compared with the prior art, the automobile steering intermediate shaft dust cover has the advantages that:

[0012] (1) The automobile steering intermediate shaft dust cover is convenient to use, and the rubber sleeve one and the rubber sleeve two can be protected when the clamp sleeve is installed, so that the surface of the rubber sleeve one or the rubber sleeve two is prevented from being scratched by the sharp edge of the clamp, the use reliability of the dust cover is ensured, the clamp has good anti-skid effect during the fixing process, the fixing is more stable, and the practicality of the dust cover is improved.

[0013] (2) The automobile steering intermediate shaft dust cover is provided with the reinforcing rubber ring and the reinforcing rubber sleeve, the strength of the wrinkle bending position of the dust cover is higher, the crack and damage caused by long-time pulling are avoided, the use reliability of the dust cover is ensured, and the practicality of the dust cover is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model is further explained in connection with the drawings and examples as follows:

[0015] Fig. 1 It is the perspective view of the utility model;

[0016] Fig. 2 It is the rear perspective view of the utility model;

[0017] Fig. 3 It is the front perspective view of the utility model.

[0018] 1, dust cover; 101, rubber sleeve one; 102, telescopic rubber sleeve; 103, rubber sleeve two; 2, protective structure; 21, puncture-proof rubber ring one; 22, side guard ring one; 23, sealing ring one; 3, guide slope; 4, guide port; 5, frosted layer one; 6, frosted layer two; 7, reinforcing rubber ring; 8, reinforcing rubber sleeve; 9, protective structure; 91, puncture-proof rubber ring two; 92, side guard ring two; 93, sealing ring two. DETAILED DESCRIPTION

[0019] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0020] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme: a kind of automobile steering intermediate shaft dust cover, including dust cover 1, protective structure 2, protective structure 9 and reinforcing structure, dust cover 1 is composed of rubber sleeve one 101, telescopic rubber sleeve 102 and rubber sleeve two 103, rubber sleeve one 101 is provided with guide port 4, rubber sleeve two 103 is provided with guide slope 3, protective structure 2 is set on rubber sleeve two 103, protective structure 2 is used to protect rubber sleeve two 103, protective structure 9 is set on rubber sleeve one 101, protective structure 9 is used to protect rubber sleeve one 101, reinforcing structure is set on telescopic rubber sleeve 102, reinforcing structure is used to reinforce telescopic rubber sleeve 102.

[0021] Telescopic rubber sleeve 102 is fixedly connected with rubber sleeve one 101 and rubber sleeve two 103 respectively, two groups of reinforcing rubber ring 7 that are left and right distribution are fixedly installed on telescopic rubber sleeve 102, two groups of reinforcing rubber ring 7 are fixedly connected with rubber sleeve one 101 and rubber sleeve two 103 respectively, reinforcing structure includes several groups of reinforcing rubber sleeve 8 fixed on telescopic rubber sleeve 102, so that the wrinkle bending position strength of the dust cover is higher, it is not easy to cause crack and damage due to long time pulling, ensure the use reliability of the dust cover, further improve the practicability of the dust cover.

[0022] The protective structure 2 comprises a puncture-proof rubber ring 21 and a sealing ring 23, an annular groove is formed in the rubber sleeve 103, the puncture-proof rubber ring 21 is fixedly installed in the annular groove, two groups of side protection rings 22 are fixedly installed on the outer wall of the puncture-proof rubber ring 21 and are distributed on the left and right sides, the two groups of side protection rings 22 are fixedly connected with the inner walls of the two sides of the annular groove respectively, an annular opening is formed in the inner wall of the rubber sleeve 103, the sealing ring 23 is fixedly installed in the annular opening, the protective structure 9 comprises a puncture-proof rubber ring 91 and a sealing ring 93, an annular cavity is formed in the rubber sleeve 101, the puncture-proof rubber ring 91 is fixedly installed in the annular cavity, two groups of side protection rings 92 are fixedly installed on the outer wall of the puncture-proof rubber ring 91 and are distributed on the left and right sides, the two groups of side protection rings 92 are fixedly connected with the inner walls of the two sides of the annular cavity respectively, an annular slope is formed in the inner wall of the rubber sleeve 101, the sealing ring 93 is fixedly installed in the annular slope, a frosted layer 5 is fixedly installed on the puncture-proof rubber ring 21, a frosted layer 6 is fixedly installed on the puncture-proof rubber ring 91, the rubber sleeve 101 and the rubber sleeve 103 are sleeved on the appropriate positions respectively, then the clamps are sleeved on the rubber sleeve 101 and the rubber sleeve 103 respectively, and then the clamps are tightened, in this process, the puncture-proof rubber ring 21 and the puncture-proof rubber ring 91 protect the rubber sleeve 101 and the rubber sleeve 103 respectively, the rubber sleeve 101 and the rubber sleeve 103 can be protected when the clamps are sleeved and installed, the situation that the edges of the clamps are sharp and can scratch the surfaces of the rubber sleeve 101 and the rubber sleeve 103 is prevented, the use reliability of the dust cover is ensured, meanwhile, the clamps have good anti-skid effect during the fixing process, the clamps are fixed more stably, and the practicability of the dust cover is improved.

[0023] Working principle: the rubber sleeve 101 and the rubber sleeve 103 are sleeved on the appropriate positions respectively, then the clamps are sleeved on the rubber sleeve 101 and the rubber sleeve 103 respectively, and then the clamps are tightened, in this process, the puncture-proof rubber ring 21 and the puncture-proof rubber ring 91 protect the rubber sleeve 101 and the rubber sleeve 103 respectively.

[0024] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, within the knowledge range possessed by the ordinary skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A dust shield for an automotive steering intermediate shaft, characterized by, The dust cover (1) is composed of a rubber sleeve (101), an elastic sleeve (102) and a rubber sleeve (103), the rubber sleeve (101) is provided with a guide opening (4), the rubber sleeve (103) is provided with a guide slope (3), a protection structure (2) is arranged on the rubber sleeve (103), the protection structure (2) is used for protecting the rubber sleeve (103), a protection structure (9) is arranged on the rubber sleeve (101), the protection structure (9) is used for protecting the rubber sleeve (101), a reinforcing structure is arranged on the elastic sleeve (102), and the reinforcing structure is used for reinforcing the elastic sleeve (102). The elastic sleeve (102) is fixedly connected with the rubber sleeve (101) and the rubber sleeve (103), two groups of reinforcing rubber rings (7) are fixedly installed on the elastic sleeve (102) and are distributed on the left and right sides, and the two groups of reinforcing rubber rings (7) are fixedly connected with the rubber sleeve (101) and the rubber sleeve (103). The reinforcing structure comprises a plurality of reinforcing rubber sleeves (8) fixed on the elastic sleeve (102). The protection structure (2) comprises a puncture-resistant rubber ring (21) and a sealing ring (23), the rubber sleeve (103) is provided with an annular groove, the puncture-resistant rubber ring (21) is fixedly installed in the annular groove, two groups of side protection rings (22) are fixedly installed on the outer wall of the puncture-resistant rubber ring (21) and are distributed on the left and right sides, the two groups of side protection rings (22) are fixedly connected with the inner walls of the two sides of the annular groove, the inner wall of the rubber sleeve (103) is provided with an annular opening, and the sealing ring (23) is fixedly installed in the annular opening. The protection structure (9) comprises a puncture-resistant rubber ring (91) and a sealing ring (93), the rubber sleeve (101) is provided with an annular cavity, the puncture-resistant rubber ring (91) is fixedly installed in the annular cavity, two groups of side protection rings (92) are fixedly installed on the outer wall of the puncture-resistant rubber ring (91) and are distributed on the left and right sides, the two groups of side protection rings (92) are fixedly connected with the inner walls of the two sides of the annular cavity, the inner wall of the rubber sleeve (101) is provided with an annular slope, and the sealing ring (93) is fixedly installed in the annular slope.

2. A dust shield for a vehicle steering intermediate shaft as defined in claim 1, characterized in that: The puncture-resistant rubber ring (21) is fixedly installed with a frosted layer (5).

3. A dust shield for a vehicle steering intermediate shaft as defined in claim 2 wherein: The puncture-resistant rubber ring (91) is fixedly installed with a frosted layer (6).

4. A dust shield for a vehicle steering intermediate shaft as defined in claim 3 wherein: ​ 5. A dust shield for a vehicle steering intermediate shaft as defined in claim 4 wherein: ​ 6. A dust shield for a vehicle steering intermediate shaft as defined in claim 5 wherein: ​ 7. A dust shield for a vehicle steering intermediate shaft as defined in claim 6 wherein: ​