Air spring wire harness connector connecting structure, air spring piston and air spring

By introducing a stepped limiting part and a dustproof pad into the air spring wire harness connector connection structure, the problem of connector breakage caused by swaying during air spring use is solved, the wire harness length can be adjusted and fixed, and the service life of the air spring piston is improved.

CN223898714UActive Publication Date: 2026-02-10SHANGHAI BAOLONG AUTOMOTIVE TECH (ANHUI) CO LTD
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Patent Information

Application Number
CN202520166115.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2026-02-10
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

In the prior art, the solenoid valve wiring harness is built into the undulating piston, which makes the length of the wiring harness impossible to adjust. Furthermore, the connector may wobble circumferentially, radially, and axially during the use of the air spring, leading to connector breakage and failure.

Method used

The wiring harness connector connection structure includes a stepped limiting part and a dustproof pad. The limiting part on the wiring harness connector base radially limits the connector, and the dustproof pad is fixed to the wiring harness connector base by interference fit, preventing the connector from axial and circumferentially wobbling.

Benefits of technology

It effectively prevents connectors from swaying radially, axially, and circumferentially, ensuring adjustable wire harness length, preventing connector breakage due to swaying, and improving the service life of the air spring piston.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an air spring wire harness connector connecting structure, an air spring piston and an air spring, which comprise a wire harness connector base, the wire harness connector base is provided with a stepped limiting part, and the stepped limiting part can radially limit a connector. According to the utility model, through the arrangement of the stepped limiting part on the wiring harness connector base, the wiring harness connector base can be matched with a connector, and the connector can be limited in the radial direction, so that the connector is prevented from deflecting in the radial direction.
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Description

TECHNICAL FIELD

[0001] The utility model relates to air spring technical field more particularly to a kind of air spring wire harness connector connection structure, air spring piston and air spring. BACKGROUND

[0002] Double-cavity air spring assembly, hereinafter referred to as double-cavity air spring, the electromagnetic valve wire harness used in prior art is mostly built-in in the undulating piston, the dustproof pad set on the piston is injection molded in the wire harness, so that the length of the wire harness cannot be adjusted, and meanwhile, the connector may be circumferentially, radially and axially deflected during use of the air spring, leading to the problem of connector breakage and failure. SUMMARY

[0003] The utility model solves the technical problem of how to prevent the connector from being deflected and broken during use.

[0004] The utility model solves the above technical problem by the following technical scheme: a kind of air spring wire harness connector connection structure, including wire harness connector base, the wire harness connector base is equipped with stepped limiting portion, the stepped limiting portion can be radially positioned to connector.

[0005] As a preferred technical scheme, the wire harness connector base includes a vertical section, a base tongue, a groove and a first clamping groove are sequentially arranged on the vertical section, and the groove bottom and the base tongue top and the first clamping groove bottom and the groove top form the stepped limiting portion.

[0006] As a preferred technical scheme, the wire harness connector base further includes a horizontal section fixed perpendicularly to the vertical section, the horizontal section bottom plane is coplanar with the base tongue bottom plane, and the base tongue is inserted into the connector and is in interference fit.

[0007] As a preferred technical scheme, the groove bottom plane is above the base tongue top plane.

[0008] As a preferred technical scheme, it further includes a dustproof pad, the dustproof pad is H-shaped and curved, the dustproof pad is in interference fit with the wire harness connector base, and the connector is connected and fastened with the dustproof pad and the wire harness connector base.

[0009] As a preferred technical scheme, the dustproof pad is provided with two rib strips at both ends, and a recess is formed between the two rib strips, and the two recesses form the H-shaped dustproof pad.

[0010] As a preferred technical scheme, the connection surface of the dustproof pad and the wire harness connector base is provided with a convex rib.

[0011] An air spring piston, comprising an air spring wire harness connector connecting structure and a piston, the wire harness connector base and the piston being an integrated structure.

[0012] As a preferred technical solution, the piston top is provided with a ring structure, and the plane where the top of the ring structure is located is coplanar with the plane where the top of the dustproof pad is located.

[0013] An air spring, comprising the air spring piston.

[0014] The air spring piston has the advantages that:

[0015] (1) In the air spring piston, the stepped limiting part on the wire harness connector base can be matched with the connector, and the connector can be radially limited, so that the connector is prevented from being deflected in the radial direction.

[0016] (2) In the air spring piston, the dustproof pad is arranged on the top of the wire harness connector base, and the connector can be fixed after being enclosed by the dustproof pad, so that the connector is prevented from being deflected in the axial and circumferential directions.

[0017] (3) In the air spring piston, the connector is connected with the wire harness, and the dustproof pad is in interference fit with the piston, compared with the prior art in which the wire harness and the connector are injection molded on the piston, the wire harness can be adjusted, has a certain length redundancy, and the damage of the wire harness caused by the rotation of the air spring piston is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model provides an overall structure schematic diagram for embodiment 1;

[0019] Figure 2 The utility model provides a wire harness connector base structure schematic diagram for embodiment 1;

[0020] Figure 3 The utility model provides a dustproof pad structure schematic diagram for embodiment 1;

[0021] Figure 4 The utility model provides a positioning groove structure schematic diagram for embodiment 1;

[0022] Figure 5 The utility model provides a connector structure schematic diagram for embodiment 1;

[0023] Reference numeral: 1, wire harness connector base;11, base tongue piece;12, recess;13, slot one;2, dustproof pad;21, convex rib;22, rib;23, positioning groove;3, piston;4, wire harness;5, connector. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the embodiments of the utility model will be clearly and completely described in the following in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Embodiment 1

[0026] Referring to Figure 1 A kind of air spring wire harness connector connection structure, including wire harness connector base 1, dustproof pad 2, wire harness connector base 1 is arranged in ladder type, and it can be connected to connector 5, and it can be radially limited to connector 5, to prevent connector 5 from radial deflection, dustproof pad 2 is located at the top of wire harness connector base 1, and it is fixed to connector 5 after being enclosed with it, to prevent connector 5 from axial and circumferential deflection.

[0027] Referring to Figure 2 Wire harness connector base 1 includes horizontal section and vertical section, and its horizontal section is fixed perpendicularly to vertical section, and vertical section is sequentially provided with base tongue 11, groove 12 and clamping groove one 13 from bottom to top, wherein clamping groove one 13 is generally curved H type, for clamping dustproof pad 2, groove 12 is for wire harness 4 to pass through, and one side wall thereof is abutted to connector 5, base tongue 11 is inserted to connector 5 in the direction of installation and is interference fit, there is height difference between groove 12 and tongue 11 and between clamping groove one 13 and groove 12, to form step surface, the plane where the bottom of base tongue 11 is located is coplanar to the plane where horizontal section is located, the plane where the bottom of groove 12 is located is above the plane where the top of base tongue 11 is located, and the plane where the bottom of clamping groove one 13 is located is above the plane where the top of groove 12 is located.

[0028] Referring to Figure 5 Connector 5 is formed with limiting groove and stopper piece matched with base tongue 11 at the bottom, wherein limiting groove is slidingly matched with base tongue 11, and stopper piece is used to limit the stroke of base tongue 11.

[0029] Referring to Figure 2 , Figure 3 , Figure 4The dustproof pad 2 is in the shape of H, and the material is plastic or rubber, and in the embodiment, the H-shaped dustproof pad 2 is arranged in a curved manner, two protruding ribs 22 are arranged at two ends of the H-shaped dustproof pad 2, recessed portions are formed between the two protruding ribs 22, the two recessed portions make the dustproof pad 2 form the H shape, and a plurality of protruding ribs 21 are arranged on the mounting surface of the first clamping groove 13, so as to ensure that the dustproof pad 2 is in interference fit with the first clamping groove 13; a plurality of positioning grooves 23 are arranged at one end of the dustproof pad 2 connected with the connector 5, and in the embodiment, the positioning grooves 23 are arranged at the bottom of the dustproof pad 2.

[0030] It should be noted that the dustproof pad 2 can reduce the risk of mud and sand particles entering the inside of the piston 3 and causing the electromagnetic valve to fail.

[0031] Embodiment 2

[0032] The difference between the embodiment and the embodiment 1 is that the embodiment provides an air spring piston comprising the air spring wire harness connector connecting structure in the embodiment 1, the vertical section in the wire harness connector base 1 is integrally formed with the top of the piston 3, the recess 12 and the first clamping groove 13 are integrally formed on the annular structure at the top of the piston 3, the dustproof pad 3 is installed behind the first clamping groove 13, and the plane at the top of the dustproof pad 3 is coplanar with the plane at the top of the annular structure; the connector 5 is connected with the wire harness 4, the dustproof pad 2 is in interference fit with the piston 3, and compared with the original wire harness 4 and the connector 5 which are injection molded on the piston, the wire harness 4 can be adjusted and has a certain length redundancy.

[0033] Embodiment 3

[0034] The difference between the embodiment and the embodiment 2 is that the embodiment provides an air spring comprising the air spring piston in the embodiment 2, and the air spring piston will not be broken due to the rotation of the air spring piston during the durability process, thereby improving the service life of the air spring.

[0035] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A spring-loaded wire harness connector connection structure, characterized in that, The device includes a wire harness connector base, which has a stepped limiting part that can radially limit the connection of the connector.

2. The air spring wire harness connector connection structure according to claim 1, characterized in that, The wire harness connector base includes a vertical section, on which a base tongue, a groove, and a slot 1 are sequentially provided. The bottom of the groove and the top of the base tongue, and the bottom of the slot 1 and the top of the groove form the stepped limiting part.

3. The air spring wire harness connector connection structure according to claim 1, characterized in that, The wire harness connector base also includes a horizontal section that is fixed vertically to the vertical section. The plane at the bottom of the horizontal section is coplanar with the plane at the bottom of the base tongue. The base tongue is inserted into the connector and has an interference fit.

4. The air spring wire harness connector connection structure according to claim 2, characterized in that, The plane at the bottom of the groove is located above the plane at the top of the base tongue.

5. The air spring wire harness connector connection structure according to claim 1, characterized in that, It also includes a dustproof pad, which is H-shaped and curved. The dustproof pad is interference-fitted with the wire harness connector base, so that the connector is securely connected to the dustproof pad and the wire harness connector base.

6. The air spring wire harness connector connection structure according to claim 5, characterized in that, The dustproof mat has two ribs at each end, and a recess is formed between the two ribs, which causes the dustproof mat to form an H shape.

7. The air spring wire harness connector connection structure according to claim 5, characterized in that, The connection surface between the dustproof pad and the wire harness connector base is provided with raised ribs.

8. A spring-loaded piston, characterized in that, Includes the air spring wire harness connector connection structure and piston as described in any one of claims 1-7, wherein the wire harness connector base and the piston are integrally formed.

9. The air spring piston according to claim 8, characterized in that, The piston has an annular structure at its top, and the plane of the top of the annular structure is coplanar with the plane of the top of the dustproof pad.

10. An air spring, characterized in that, Includes the air spring piston as described in claim 8 or 9.