Protector for wire harness connector plug

By designing an open-structure protective component, the problems of difficult assembly and insufficient applicability of wire harness connector plugs are solved, achieving simple and efficient improvement in waterproof performance and enhanced safety, making it suitable for wire harness connector plugs with various layout methods.

CN223771431UActive Publication Date: 2026-01-06CHONGQING JINKANG NEW ENERGY VEHICLE CO LTD
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Patent Information

Application Number
CN202423312274.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-01-06
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The existing waterproof rubber sleeves for wire harness connectors are only suitable for vertical arrangements, and are difficult to assemble, requiring the assistance of a hole expander. They are not adaptable to various arrangement methods or to reduce assembly difficulty.

Method used

Design an open-structure protective component body with a limiting cavity and an adjustable assembly port, suitable for any arrangement, eliminating the need for a hole expander, and improving protective performance and waterproofing effect through guide surfaces and flow-blocking ribs.

Benefits of technology

It enables simple assembly on existing structures, reduces assembly difficulty, improves assembly efficiency, enhances the waterproof performance and safety of wire harness connectors, is suitable for various layout methods, and reduces the difficulty of on-site mating between suppliers and vehicle manufacturers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a protection member used for a wire harness connector plug connector, comprising a protection member body, the protection member body is provided with a limiting cavity, a wire harness connected by the wire harness connector plug connector passes through the limiting cavity, and the protection member body is provided with an assembly port which is controlled to be opened or closed. The front end and the rear end of the protection part body are communicated through the assembly opening in the extending direction of the wire harness, the wire harness connector plug connector enters the limiting cavity through the assembly opening to be limited, and the assembly opening deviates from the water spraying direction. Compared with the prior art, the wire harness connector plug connector has the advantage that the structure is simpler, the protection part body is arranged to be of the open structure, the protection part can be directly assembled on an existing structure, the assembly difficulty can be reduced, assistance of a broaching machine is omitted, and the production efficiency is improved. And the assembly efficiency is higher.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of harness connector plug connector protection, specifically relates to a protection piece for harness connector plug connector. BACKGROUND

[0002] The prior art for harness connector plug connector waterproof rubber sleeve can only be applied to the vertically arranged plug connector, and is fixed to one side of the plug connector harness main stem, for preventing water from being splashed along the axial direction of the harness, and the rubber sleeve is a closed structure, which needs to be assisted by a hole expander to pass through the plug connector body during actual installation, and there is a certain assembly difficulty.

[0003] Therefore, to solve the above problems, a protection piece for harness connector plug connector is needed, which can optimize the protection piece structure, increase the application range, and reduce the assembly difficulty and improve the assembly efficiency. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at overcoming the defects in the prior art, and provides a protection piece for harness connector plug connector, which can optimize the protection piece structure, increase the application range, and reduce the assembly difficulty and improve the assembly efficiency.

[0005] The protection piece for harness connector plug connector of the utility model comprises a protection piece body, the protection piece body is still made of rubber material, has the characteristics of high elasticity, high deformation capacity and hydrophobicity, the protection piece body has a limiting cavity, a harness connected by the harness connector plug connector passes through the limiting cavity, an assembly opening that is controlled to be opened or closed is formed in the protection piece body, the assembly opening communicates the front end and the rear end of the protection piece body along the extension direction of the harness, the harness connector plug connector enters the limiting cavity through the assembly opening and is limited, the protection piece body is provided as an open structure, the protection piece can be directly assembled on the existing structure, the assembly difficulty is reduced, the assistance of the hole expander is cancelled, the assembly efficiency is higher, the limiting cavity covers and surrounds the harness connector plug connector to block the direct impact of the splashed water on the plug-in surface and the tail metal terminal insertion position of the plug connector, the assembly opening deviates from the direction of the splashed water, so that the risk of water seepage is reduced, the safety of the harness connector plug connector is improved, the utility model has the advantages of simpler structure compared with the prior art, and can be applied to any type of harness connector plug connector, only the limiting cavity configuration and the hole position for the harness to pass through need to be adjusted, especially the difficulty of disassembly and on-site plug-in of the protection piece at the supplier end and the vehicle end is reduced, and the position of the assembly opening deviates from the direction of the splashed water, so that the safety can be ensured.

[0006] Further, the wire harness connector plug has a connecting end extending out of the limiting cavity, the protective member body is provided with a functional hole for the connecting end to extend out of the limiting cavity, the functional hole is communicated with the assembly opening, so that the functional hole is also away from the water spraying direction, the waterproof performance and the safety of the wire harness connector plug are improved, the wire harness connector plug is limited at the set position through the connecting end, and the position of the wire harness with the wire harness connector plug is specified, the connecting end is below the wire harness connector plug, the corresponding assembly opening is also below the protective member body, the assembly opening is in a long strip shape parallel to the wire harness, the water spraying direction is above the protective member body, and the connecting end is located in the middle of the bottom of the wire harness connector plug, when the structure is assembled, the water spraying position is opposite to the connecting end in the height direction, so that the protection of the wire harness connector plug is improved again.

[0007] Further, the protective member body has a flow guide surface guiding the water spraying to avoid the functional hole and the assembly opening. The flow guide surface is arranged close to the water spraying source, so that the liquid falling to the protective member body can be quickly guided to the specified position by the flow guide surface, the water flow is prevented from converging to the functional hole and the assembly opening, and the safety is improved, the flow guide surface is formed by the top middle portion of the protective member body being inclined downward along the wire extending direction to two sides, so that the water flow is quickly guided and eliminated, and the waterproof performance is better.

[0008] Further, the edge of the protective member body forming the assembly opening has an outer flow resistance rib I, and the peripheral edge of the functional hole has an outer flow resistance rib II connected with the outer flow resistance rib I. The water flow to the opening position and the functional hole position is resisted, the water resistance effect is further improved, and the immersion of the water flow to the electrical element is prevented, the present scheme can guide and prevent the water spraying without adding a blocking piece to block the assembly opening, has the advantages of low cost, can effectively prevent the influence of the spraying water on the wire harness connector plug, enhances the safety of the electrical circuit, and solves the problem of preventing water spraying when the plug is arranged horizontally.

[0009] Further, the protective member body has a front port and a rear port for the wire harness to pass through, the front port is provided with an outer flow resistance rib III connected with the outer flow resistance rib I, and the rear port is provided with an outer flow resistance rib IV connected with the outer flow resistance rib I. In the present scheme, the outer flow resistance rib I, the outer flow resistance rib II, the outer flow resistance rib III and the outer flow resistance rib IV are continuous, forming complete protection for the peripheral edge of the protective member body, reducing the diffusion of the water flow to the wire harness, the wire harness connector plug and the connecting end, and playing an effective protection role.

[0010] Further, the inner wall of the front port has an inner rib I for wrapping the wire harness, the inner wall of the rear port has an inner rib II for wrapping the wire harness, the wire harness connector plug is located between the inner rib I and the inner rib II, and the wire harness connector plug is close to the inner rib I and the inner rib II respectively, the compactness of the structure is more excellent, the protection performance is more excellent, and the protection effect of the wire harness connector plug is further improved, the safety factor is improved, and the waterproof level is improved.

[0011] Further, the inner rib II is located inside the outer rib IV, and the inner rib II is a plurality of roots. The waterproof performance is improved again.

[0012] Further, the rear port is wrapped with a fastening strip. In the scheme, the fastening strip is a waterproof tape, which is wound on the outer wall of the rear port in use to reduce the gap between the wire harness and the protective piece as much as possible, prevent water flow from entering the wire harness connector plug along the wire harness trunk, and improve the waterproof performance.

[0013] The utility model discloses a protective piece for wire harness connector plug, which is characterized in that the protective piece body is of an open structure, can be directly assembled on the existing structure, reduces the assembly difficulty, cancels the auxiliary of the reamer, has higher assembly efficiency, and covers and surrounds the wire harness connector plug in the limiting cavity to block the direct impact of the water on the plug surface and the insertion position of the tail metal terminal. The assembly opening of the scheme is away from the water direction, which reduces the risk of water seepage, improves the safety of the wire harness connector plug, and has the advantages of simpler structure compared with the prior art. The protective piece can be applied to any type of wire harness connector plug, and only the corresponding limiting cavity configuration and the hole position for the wire harness need to be adjusted. The difficulty of disassembly and on-site insertion of the protective piece at the supplier end and the vehicle end is reduced, and the safety of the protective piece is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be further described below in combination with the drawings and examples:

[0015] Figure 1 It is the structural schematic diagram of the utility model;

[0016] Figure 2 It is the structural schematic diagram of the utility model;

[0017] Figure 3 It is the structural schematic diagram of the protective piece body of the utility model;

[0018] Figure 4 It is the main view structural schematic diagram of the protective piece body of the utility model;

[0019] Figure 5 It is overhead structure schematic view of the utility model protection spare body;

[0020] Figure 6 It is front structure schematic view of the utility model protection spare body;

[0021] Figure 7 It is back structure schematic view of the utility model protection spare body;

[0022] Figure 8 It is back structure schematic view of the utility model protection spare body;

[0023] Figure 9 It is A-A direction structure schematic view of the utility model Figure 4 .

[0024] Reference signs: protection spare body 001, connecting end 002, limiting cavity 003, assembly port 1, functional hole 2, flow guide surface 3, outer resistance flow rib I 4, outer resistance flow rib II 5, front end port 6, back end port 7, outer resistance flow rib III 8, outer resistance flow rib IV 9, inner resistance flow rib I 10, inner resistance flow rib II 11, protection section 12. Specific implementation

[0025] Figure 1The utility model discloses a structure schematic drawing, as shown in the figure, the protection piece for the wiring harness connector plug -in of the embodiment includes protection piece body 001, and the protection piece body 001 still uses rubber material to make, has high elasticity and high deformation ability and hydrophobicity etc. characteristics, protection piece body 001 has the limiting cavity 003, and the wiring harness connected by wiring harness connector plug -in passes limiting cavity 003, the assembly opening 1 that is controlled to open or close is set up on protection piece body 001, the assembly opening 1 along the wiring harness extension direction with the front end and rear end of protection piece body 001 is communicated, and the wiring harness connector plug -in is limited by entering limiting cavity 003 through the assembly opening 1, and the utility model discloses a protection piece body 001 is set to open structure, can directly assemble the protection piece on the existing structure, can also reduce the assembly difficulty, and cancels the auxiliary of reamer, and the assembly efficiency is higher, and limiting cavity 003 covers the surrounding of wiring harness connector plug -in, to block the direct impact of the water of shower on the plug -in surface and the tail metal terminal insertion position, and the utility model discloses limiting cavity 003 and the appearance of wiring harness connector plug -in are identical, to improve the assembly reliability, and have the advantage of direct orientation positioning, can improve the assembly efficiency, the assembly opening 1 of the utility model discloses deviates the water direction of shower, so that the water seepage risk of shower can be reduced, and the safety of wiring harness connector plug -in is improved, and the utility model discloses compared with prior art has the advantage that the structure is simpler, and can be suitable for any kind of wiring harness connector plug -in, only needs to adjust the corresponding limiting cavity 003 chamber configuration and the hole position for wiring harness to pass through, especially reduces the difficulty of protection piece in the supplier end and the on -the -spot of vehicle end, and the assembly opening 1 position of the utility model discloses deviates the water direction of shower, so that the safety can also be guaranteed.

[0026] In the embodiment, the wiring harness connector plug-in has a connecting end 002 extending out of the limiting cavity 003, the protection piece body 001 is provided with a functional hole 2 for the connecting end 002 to extend out of the limiting cavity 003, the functional hole 2 is communicated with the assembly opening 1, so that the functional hole 2 is also away from the water direction of shower, improving the waterproof performance and the safety of the wiring harness connector plug-in, the wiring harness connector plug-in is limited at a specified position through the connecting end 002, and the position of the wiring harness with the wiring harness connector plug-in is specified, the connecting end 002 is below the wiring harness connector plug-in, and the corresponding assembly opening 1 is also below the protection piece body 001, and the assembly opening 1 is a long strip parallel to the wiring harness, the water direction is above the protection piece body 001, and the connecting end 002 is located in the middle of the bottom of the wiring harness connector plug-in, when assembling the structure, the water position is directly opposite to the connecting end 002 in the height direction, so as to further improve the protection of the wiring harness connector plug-in.

[0027] In the embodiment, the guard body 001 has a guide surface 3 guiding the water and avoiding the function hole 2 and the assembly opening 1. The guide surface 3 is arranged close to the water source, so that the water falling on the guard body 001 can be quickly guided to the designated position by the guide surface 3, preventing the water from flowing to the function hole 2 and the assembly opening 1, and improving the safety. In the scheme, the guide surface 3 is formed by the top middle part of the guard body 001 extending to both sides along the wire extension direction and inclined downward, so that the water flow is quickly guided and eliminated, and the waterproof performance is better.

[0028] In the embodiment, the edge of the assembly opening 1 formed by the guard body 001 has an outer resistance rib I 4, and the periphery of the function hole 2 has an outer resistance rib II 5 connected with the outer resistance rib I 4. The water flow is resisted at the opening position and the function hole 2 position, further improving the water resistance effect, preventing the water from flowing to the electrical element, and achieving the guidance and resistance of the water spray without adding a blocking piece to block the assembly opening 1. The scheme has the advantages of low cost, can effectively prevent the influence of the water spray on the wire harness connector plug, enhances the safety of the electrical circuit, and solves the problem of water spray prevention when the plug is horizontally arranged.

[0029] In the embodiment, the port for the wire harness to pass through the guard body 001 includes a front port 6 and a rear port 7, as shown in Figure 1 The scheme takes a straight wire harness as an example, the left end of the wire harness is the front, and the right end of the wire harness is the rear, which will not be described here; the front port 6 is correspondingly provided with an outer resistance rib III 8 connected with the outer resistance rib I 4, and the rear port 7 is correspondingly provided with an outer resistance rib IV 9 connected with the outer resistance rib I 4. In the scheme, the outer resistance rib I 4, the outer resistance rib II 5, the outer resistance rib III 8 and the outer resistance rib IV 9 are continuous, the structure is simple and effective, the cost can be controlled, the continuous outer resistance rib forms complete protection for the periphery of the guard body 001, reduces the overflow of the water flow to the wire harness, the wire harness connector plug and the connection end 002, and plays an effective protection role.

[0030] In the embodiment, the inner wall of the front port 6 has an inner resistance rib I 10 wrapping the wire harness, the inner wall of the rear port 7 has an inner resistance rib II 11 wrapping the wire harness, the wire harness connector plug is located between the inner resistance rib I 10 and the inner resistance rib II 11, and the wire harness connector plug is respectively close to the inner resistance rib I 10 and the inner resistance rib II 11. The structure is more compact, the protection performance is better, the protection effect of the wire harness connector plug is further improved, the safety factor is improved, and the waterproof grade is improved.

[0031] In the embodiment, the inner resistance rib II 11 is located inside the outer resistance rib IV 9, and the inner resistance rib II 11 is a plurality of roots. The waterproof performance is improved again.

[0032] In the embodiment, the rear port 7 is wrapped with a fastening strip. In the scheme, the fastening strip is a waterproof tape, which is wrapped on the outer wall surface of the rear port 7 to reduce the gap between the wire harness and the protective member as much as possible. The front port 6 extends forward to form a protective section 12, which further prevents water flow from entering the wire harness connector plug along the wire harness trunk, thereby improving the waterproof performance.

[0033] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A guard for a wiring harness connector plug, characterized by: The protective member body has a limiting cavity through which a wire harness connected with a wire harness connector plug passes, and an assembly opening which is controlled to be opened or closed is formed on the protective member body, the assembly opening communicates a front end and a rear end of the protective member body along a wire harness extending direction, the wire harness connector plug is limited in the limiting cavity through the assembly opening, and the assembly opening is away from a water spraying direction.

2. A boot for a wiring harness connector plug-in according to claim 1, characterized in that: The wire harness connector plug has a connecting end extending out of the limiting cavity, and a functional hole for the connecting end to extend out of the limiting cavity is formed on the protective member body, and the functional hole communicates with the assembly opening.

3. A boot for a wiring harness connector plug-in according to claim 2, characterized in that: The protective member body has a flow guide surface which guides water spraying to avoid the functional hole and the assembly opening.

4. The boot for a wiring harness connector plug of claim 3, wherein: The flow guide surface is close to a water spraying source.

5. The boot for a wiring harness connector plug of claim 2, wherein: An edge of the protective member body forming the assembly opening has an outer flow resistance rib I.

6. The boot for a wiring harness connector plug of claim 5, wherein: A periphery of the functional hole has an outer flow resistance rib II connected with the outer flow resistance rib I.

7. The boot for a wiring harness connector plug of claim 5, wherein: The limiting cavity through which the wire harness passes has a front port and a rear port, the front port is correspondingly provided with an outer flow resistance rib III connected with the outer flow resistance rib I, and the rear port is correspondingly provided with an outer flow resistance rib IV connected with the outer flow resistance rib I.

8. The boot for a wiring harness connector plug of claim 7, wherein: An inner wall of the front port has an inner flow resistance rib I which wraps the wire harness, an inner wall of the rear port has an inner flow resistance rib II which wraps the wire harness, and the wire harness connector plug is located between the inner flow resistance rib I and the inner flow resistance rib II.

9. The boot for a wiring harness connector plug of claim 8, wherein: The inner flow resistance rib II is located inside the outer flow resistance rib IV, and the inner flow resistance rib II is a plurality of.

10. The boot for a wiring harness connector plug of claim 7, wherein: A fastening strip is wound outside the rear port.