Quick plug-pull type automobile wire harness connecting assembly

By using a quick-plug automotive wiring harness connection assembly, the design of elastic sheets and telescopic components solves the problems of looseness and difficulty in plugging and unplugging in traditional connection methods, achieving a stable connection and convenient plugging and unplugging, and ensuring stable transmission of electrical signals.

CN224021144UActive Publication Date: 2026-03-20NANJING DELPHI AUTO PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Traditional automotive wiring harness connections are prone to loosening under prolonged bumpy conditions; friction connections are inconvenient to plug and unplug, while snap-fit ​​connections are difficult to plug and unplug and not secure.

Method used

The system employs a quick-plug automotive wiring harness connector assembly. The wiring harness head is plugged in by friction, and the combination of elastic sheet and telescopic component enables the limiting protrusion to engage with the limiting groove, ensuring the tightness of the connection. It can also be easily pulled out via the control panel.

Benefits of technology

It achieves a secure connection and easy plugging/unplugging of the wire harness head, avoiding the loosening and plugging/unplugging difficulties of traditional connection methods, and ensuring stable transmission of electrical signals.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224021144U_ABST
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Abstract

The utility model relates to the technical field of automobile connecting harnesses, in particular to a quick plugging type automobile wire harness connecting assembly which comprises a connecting plug, a wire harness head is plugged in the middle of the connecting plug, the tail end of the wire harness head is fixedly connected with a sealing plate, the upper end face of the wire harness head is fixedly connected with a limiting plate, and a sliding groove is formed in the middle of the limiting plate. A control plate is arranged in the middle of the sliding groove, extrusion heads are arranged on the two sides of the limiting plate, an auxiliary plate is fixedly connected to the inner side wall of the connecting plug, a telescopic piece is arranged at the top end of the auxiliary plate and composed of a telescopic part, a limiting part, a limiting protrusion, a connecting part and an extrusion part, and two side plates are fixedly connected to the side end of the sealing plate. According to the utility model, the defects of the traditional friction connection and buckle connection are overcome, so that the connection is firmer, and meanwhile, the insertion and the extraction are convenient.
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Description

Technical Field

[0001] This utility model relates to the field of automotive wiring harness technology, specifically to a quick-plug automotive wiring harness connection assembly. Background Technology

[0002] Automotive wiring harnesses are the main network of a vehicle's electrical system, consisting of two types: power lines that carry power to drive actuators and signal lines that transmit sensor input commands. Traditional automotive wiring harnesses primarily use friction or snap-fit ​​connections. Friction connections are simple and easy to plug and unplug, but they are prone to loosening under prolonged exposure to vibrations. Snap-fit ​​connections provide a tighter connection, but current automotive wiring harness plugs are relatively small, lacking sufficient leverage during insertion and removal, making them difficult to connect and unplug. Furthermore, over time, the internal snap-fit ​​structure can loosen, resulting in a less secure connection. Utility Model Content

[0003] The purpose of this invention is to provide a quick-plug automotive wiring harness connection assembly to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a quick-plug automotive wiring harness connection assembly, including a connector plug, a wiring harness head inserted into the middle of the connector plug, a sealing plate fixedly connected to the tail end of the wiring harness head, a limiting plate fixedly connected to the upper end face of the wiring harness head, a sliding groove provided in the middle of the limiting plate, a control plate provided in the middle of the sliding groove, and compression heads provided on both sides of the limiting plate. An auxiliary plate is fixedly connected to the inner side wall of the connector plug, and a telescopic member is provided at the top of the auxiliary plate. The telescopic member consists of a telescopic part, a limiting part, a limiting protrusion, a connecting part, and a compression part. Two side plates are fixedly connected to the side ends of the sealing plate, and elastic sheets are inserted into the side ends of the side plates.

[0005] Preferably, the top end of the telescopic part is inserted into the auxiliary plate, one end of the limiting part is fixedly connected to the telescopic part, the other end of the limiting part is fixedly connected to the connecting part, and the top end of the connecting part is fixedly connected to the squeezing part.

[0006] Preferably, the limiting part has a V-shaped structure, the limiting protrusion is fixedly connected to the corner of the limiting part, and the side end of the limiting protrusion is an arc-shaped convex surface.

[0007] Preferably, the top of the limiting plate has an arc-shaped structure, and both sides of the limiting plate are provided with limiting grooves. When the wire harness head is inserted into the connector, the limiting protrusion is engaged in the limiting groove.

[0008] Preferably, the elastic sheet is an elastic iron sheet, the elastic sheet has an arc-shaped structure, and the top of the elastic sheet has a columnar structure.

[0009] Preferably, the connecting part is vertically arranged, the extrusion part is inclined, the two telescopic members are located in the middle of the two side plates, and the side end of the elastic sheet abuts against the side end of the extrusion part.

[0010] Preferably, the control plate extends through the sealing plate at both ends, and the two sides of the control plate are fixedly connected to the extrusion head. The side end of the extrusion head has an arc-shaped structure, and the extrusion head abuts against the side end of the limiting part.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: the wire harness head and the connector plug are first connected by friction. At this time, the elastic sheet squeezes the telescopic part, so that the limiting protrusion is engaged in the limiting groove, and the limiting plate is limited and fixed, ensuring the tightness of the wire harness head connection. When it is necessary to remove the wire harness head, simply press the control plate. The insertion and removal are very convenient, requiring no too many force points, and avoiding the excessive size of the wire harness connection component. The elastic sheet is easy to replace, and the electrical signal can still be stably transmitted during long-term use. It overcomes the drawbacks of traditional friction connection and snap-fit ​​connection, making the connection more secure and convenient to insert and remove. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of automotive wiring harness connections.

[0013] Figure 2 This is a schematic diagram showing the connection between the telescopic component and the limiting plate.

[0014] In the diagram: 1 Connecting plug, 2 Wiring harness head, 3 Auxiliary plate, 4 Telescopic component, 41 Telescopic part, 42 Limiting part, 43 Limiting protrusion, 44 Connecting part, 45 Extrusion part, 5 Sealing plate, 6 Side plate, 7 Elastic sheet, 8 Limiting plate, 9 Limiting groove, 10 Sliding groove, 11 Control plate, 12 Extrusion head. Detailed Implementation

[0015] To enhance understanding of this utility model, the technical solutions in the embodiments of this utility model will be clearly and completely described and introduced below with reference to the accompanying drawings. Obviously, the described embodiments are merely some embodiments of this utility model, not all embodiments, and are not intended to limit the embodiments in any way. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0016] Please see Figure 1-2This utility model provides a technical solution: a quick-plug automotive wiring harness connection assembly, including a connector 1, a wiring harness head 2 inserted into the middle of the connector 1, a sealing plate 5 fixedly connected to the tail end of the wiring harness head 2, a limiting plate 8 fixedly connected to the upper end face of the wiring harness head 2, a sliding groove 10 provided in the middle of the limiting plate 8, a control plate 11 provided in the middle of the sliding groove 10, and pressing heads 12 provided on both sides of the limiting plate 8. An auxiliary plate 3 is fixedly connected to the inner side wall of the connector 1, and a telescopic member 4 is provided at the top of the auxiliary plate 3. The telescopic member 4 is composed of a telescopic part 41, a limiting part 42, a limiting protrusion 43, a connecting part 44, and a pressing part 45. Two side plates 6 are fixedly connected to the side end of the sealing plate 5, and elastic pieces 7 are inserted into the side end of the side plates 6. The wiring harness head 2 is inserted into the connector 1, and the sealing plate 5 seals the opening of the connector 1.

[0017] The top end of the telescopic part 41 is inserted into the auxiliary plate 3. One end of the limiting part 42 is fixedly connected to the telescopic part 41, and the other end of the limiting part 42 is fixedly connected to the connecting part 44. The top end of the connecting part 44 is fixedly connected to the pressing part 45. The limiting part 42 has a V-shaped structure. The limiting protrusion 43 is fixedly connected to the corner of the limiting part 42. The side end of the limiting protrusion 43 is an arc-shaped convex surface. The top end of the limiting plate 8 has an arc-shaped structure. The limiting plate 8 has limiting grooves 9 on both sides. When the wire harness head 2 is inserted into the connecting plug 1, the limiting protrusion 43 is engaged in the limiting groove 9. When the limiting plate 8 is inserted into the connecting plug 1, the limiting plate 8 is located in the middle of the two telescopic parts 4. The top end of the limiting plate 8 presses the limiting protrusion 43 until the limiting groove 9 reaches the limiting protrusion 43.

[0018] The elastic sheet 7 is an elastic iron sheet with an arc-shaped structure and a columnar top. The connecting part 44 is vertically arranged, and the pressing part 45 is inclined. The two telescopic parts 4 are located in the middle of the two side plates 6. The side end of the elastic sheet 7 abuts against the side end of the pressing part 45. When the limiting plate 8 is inserted into the connecting plug 1, the elastic sheet reaches the connecting part 44. When the limiting groove 9 reaches the limiting protrusion 43, the elastic sheet 7 presses the pressing part 45, thereby pushing the telescopic part 4 to move and engaging the limiting protrusion 43 into the limiting groove 9, thus limiting and fixing the limiting plate 8, thereby ensuring the stability of the connection between the wire harness head 2 and the connecting plug 1.

[0019] The control plate 11 has two ends that pass through the sealing plate 5. The two sides of the control plate 11 are fixedly connected to the extrusion head 12. The side end of the extrusion head 12 has an arc-shaped structure. The extrusion head 12 abuts against the side end of the limiting part 42. When it is necessary to pull out the wire harness head 2, simply press the control plate 11. The control plate 11 drives the extrusion head 12 to extrude the side end of the limiting part 42, thereby causing the limiting protrusion 43 to disengage from the limiting groove 9. The wire harness head can be pulled out without too many points of force.

[0020] Although embodiments of the present invention have been shown and described, it should be emphasized that the above description is merely an introduction and description of the usage of the embodiments of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art will understand that various changes, modifications, substitutions, and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quick-plug automotive wiring harness connection assembly, comprising a connector (1), characterized in that: A wire harness head (2) is inserted into the middle of the connector (1). A sealing plate (5) is fixedly connected to the tail end of the wire harness head (2). A limiting plate (8) is fixedly connected to the upper end face of the wire harness head (2). A sliding groove (10) is provided in the middle of the limiting plate (8). A control plate (11) is provided in the middle of the sliding groove (10). A pressing head (12) is provided on both sides of the limiting plate (8). An auxiliary plate (3) is fixedly connected to the inner side wall of the connector (1). A telescopic member (4) is provided at the top of the auxiliary plate (3). The telescopic member (4) is composed of a telescopic part (41), a limiting part (42), a limiting protrusion (43), a connecting part (44), and a pressing part (45). Two side plates (6) are fixedly connected to the side end of the sealing plate (5). An elastic sheet (7) is inserted into the side end of the side plate (6).

2. The quick-plug automotive wiring harness connection assembly according to claim 1, characterized in that: The top end of the telescopic part (41) is inserted into the auxiliary plate (3). One end of the limiting part (42) is fixedly connected to the telescopic part (41), and the other end of the limiting part (42) is fixedly connected to the connecting part (44). The top end of the connecting part (44) is fixedly connected to the squeezing part (45).

3. The quick-plug automotive wiring harness connection assembly according to claim 1, characterized in that: The limiting part (42) has a V-shaped structure, and the limiting protrusion (43) is fixedly connected to the corner of the limiting part (42). The side end of the limiting protrusion (43) is an arc-shaped convex surface.

4. The quick-plug automotive wiring harness connection assembly according to claim 1, characterized in that: The top of the limiting plate (8) is an arc-shaped structure. Both sides of the limiting plate (8) are provided with limiting grooves (9). When the wire harness head (2) is inserted into the connector (1), the limiting protrusion (43) is engaged in the limiting groove (9).

5. The quick-plug automotive wiring harness connection assembly according to claim 1, characterized in that: The elastic sheet (7) is an elastic iron sheet with an arc-shaped structure and a columnar structure at the top.

6. The quick-plug automotive wiring harness connection assembly according to claim 1, characterized in that: The connecting part (44) is vertically arranged, the pressing part (45) is inclined, the two telescopic members (4) are located in the middle of the two side plates (6), and the side end of the elastic sheet (7) abuts against the side end of the pressing part (45).

7. The quick-plug automotive wiring harness connection assembly according to claim 1, characterized in that: The control plate (11) has two ends that pass through the sealing plate (5). The two sides of the control plate (11) are fixedly connected to the extrusion head (12). The side end of the extrusion head (12) has an arc-shaped structure. The extrusion head (12) abuts against the side end of the limiting part (42).