Automobile wire harness reinforcing connection structure
By using connectors to connect the main body and branches of the FFC wiring harness, the problem of low wiring harness connection reliability is solved, achieving reliable connection and cost reduction, and improving vehicle safety performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-09-07
- Publication Date
- 2026-03-27
AI Technical Summary
The existing FFC wiring harness connection method has low reliability and is prone to being dragged, twisted, and bent during use, making it difficult to meet the safety requirements of automotive wiring harnesses.
Connectors are used to connect the main body and branches of the wire harness. The connector includes a first main body, a transition connection part and a second main body. Reliable connection is achieved through snap-fit and sealing ring, eliminating the welding process. Rubber pads are used to improve connection reliability.
This improves the reliability of the connection between the main body and branches of the wiring harness, reduces production costs, and enhances the safety performance of the vehicle.
Smart Images

Figure CN115483555B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of automobile technology, in particular to a new type of automobile wire harness reinforced connection structure. BACKGROUND
[0002] FFC (Flexible Flat Cable) is a new type of data cable mainly composed of insulating material and extremely thin plated tin flat copper wire, which is pressed by advanced automatic equipment. The characteristics of FFC are: soft (can be arbitrarily bent and folded), light and thin, small size, simple connection, convenient disassembly, and good electromagnetic shielding (EMI) and other advantages.
[0003] At present, in the field of FFC, the wire harness branch is mainly connected with the wire harness body through spot welding. Although this connection is simple and convenient, its reliability is low. During the use of the wire harness, the wire harness will inevitably be dragged, twisted and bent. The simple spot welding connection has certain safety hazards and is difficult to meet the safety requirements of automobile wire harness. SUMMARY
[0004] In order to solve the problems of the prior art, the purpose of the present application is to provide a new type of automobile wire harness reinforced connection structure to improve the reliability of the connection between the wire harness body and the wire harness branch.
[0005] Based on the above problems, the technical scheme provided by the present application is:
[0006] A new type of automobile wire harness reinforced connection structure is used for the connection of flat wire harness. The flat wire harness includes a wire harness body and a wire harness branch connected with the wire harness body. A connector is arranged between the wire harness body and the wire harness branch. The connector includes:
[0007] A first body part extending along the length direction of the wire harness body and conductively connected with the wire harness body;
[0008] A second body part extending along the length direction of the wire harness branch and conductively connected with the wire harness branch;
[0009] A transition connection part connecting the first body part and the second body part and making the first body part and the second body part conductive.
[0010] In one embodiment, the first body part includes a first connecting seat, a plurality of first conductive bodies arranged in parallel and spaced apart in the first connecting seat, and a cover plate detachably connected with the first connecting seat. The plurality of first conductive bodies correspond to the wires in the wire harness body. The second body part has the same structure as the first body part.
[0011] In one embodiment, the first connector is provided with a plurality of receiving grooves, the plurality of first conductors are embedded in the plurality of receiving grooves, and the wires of the wire harness body / wire harness branch are housed in the receiving grooves.
[0012] In one embodiment, the cover plate is snapped together with the first connecting seat, and the cover plate is provided with snaps on both sides located in the extension direction of the first conductor, and the first connecting seat is provided with a slot that matches the snaps.
[0013] In one embodiment, a sealing ring is provided between the buckle and the slot.
[0014] In one embodiment, a pressure-fitting elastic pad is fixed on the cover plate at a position corresponding to the receiving groove.
[0015] In one embodiment, the compression elastic pad is a rubber pad.
[0016] In one embodiment, the transition connection includes a second connector and a plurality of second conductors disposed within the second connector, wherein the two ends of the second conductors are respectively connected to the first main body and a first conductor within the second main body.
[0017] Compared with the prior art, the advantages of the present invention are:
[0018] By adopting the technical solution of the present invention, the wiring harness body and the wiring harness branch are connected by a connector, eliminating the welding process, reducing production and manufacturing costs, while increasing the connection length between the wiring harness body and the wiring harness branch, improving the reliability of the connection between the wiring harness body and the wiring harness branch, and improving the safety performance of the vehicle. Attached Figure Description
[0019] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. The accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 This is a schematic diagram of an embodiment of a novel automotive wiring harness reinforcement connection structure according to the present invention;
[0021] Figure 2 for Figure 1 Sectional view of AA in the middle;
[0022] Figure 3 for Figure 1 Cross-sectional view of the middle section (BB);
[0023] Figure 4Part structure schematic view of the cover plate in the embodiment of the present application;
[0024] Figure 5 Use state schematic view of the embodiment of the present application;
[0025] Figure 6 Use state schematic view of the embodiment of the present application; Figure 5 C-C section view in the embodiment of the present application;
[0026] Figure 7 Use state schematic view of the connector in the embodiment of the present application;
[0027] Figure 8 Use state schematic view of another connector in the embodiment of the present application;
[0028] Figure 9 Use state schematic view of still another connector in the embodiment of the present application;
[0029] Wherein:
[0030] 1, first main body part; 1-1, first connecting seat; 1-1a, accommodating groove; 1-2, first conductive body; 1-3, cover plate 1-4, crimping elastic pad 1-5, buckle 1-6, sealing ring;
[0031] 2, second main body part;
[0032] 3, transition connecting part 3-1, second connecting seat 3-2, second conductive body;
[0033] 4, wire harness main body 4-1, wire;
[0034] 5, wire harness branch. DETAILED DESCRIPTION
[0035] The above scheme will be further described in combination with specific embodiments. It should be understood that these embodiments are used to illustrate the present application and do not limit the scope of the present application. The implementation conditions used in the embodiments can be further adjusted according to the specific conditions of the manufacturer, and the implementation conditions not mentioned are usually the conditions in the conventional experiments.
[0036] Referring to Figure 1 , Figure 5 , the schematic view of the embodiment of the present application provides a new type of automobile wire harness reinforced connection structure, which uses flat wire harness connection, the flat wire harness includes a wire harness main body 4 and a wire harness branch 5 connected with the wire harness main body 4, a plurality of wires 4-1 are arranged in parallel in the wire harness main body 4 and the wire harness branch 5 respectively, in order to improve the reliability of the connection between the wire harness main body 4 and the wire harness branch 5, a connector is arranged between the wire harness main body 4 and the wire harness branch 5.
[0037] The connector includes an integrally formed first main body 1, a transition connection 3, and a second main body 2. The first main body 1 extends along the length direction of the wire harness body 4 and is electrically connected to the wire harness body 4. The second main body 2 extends along the length direction of the wire harness branch 5 and is electrically connected to the second main body 2. The transition connection 3 connects the first main body 1 and the second main body 2 and makes the first main body 1 and the second main body 2 electrically connected.
[0038] See Figure 2 The first main body 1 includes a first connecting seat 1-1, a plurality of first conductors 1-2 arranged in parallel and spaced apart within the first connecting seat 1-1, and a cover plate 1-3 detachably connected to the first connecting seat 1-1. The plurality of first conductors 1-2 correspond to a plurality of wires 4-1 on the wire harness body 4. The structure of the second main body 2 is the same as that of the first main body 1, wherein the plurality of first conductors within the second main body 2 correspond to a plurality of wires on the wire harness branch 5.
[0039] To facilitate the connection between the first conductor 1-2 and the wire 4-1, a plurality of receiving grooves 1-1a are provided in the first connecting seat 1-1. The plurality of first conductors 1-2 are pre-embedded in the plurality of receiving grooves 1-1a, and the wire 4-1 of the wire harness body 4 / wire harness branch 5 is housed in the receiving grooves 1-1a.
[0040] In this example, the cover plate 1-3 is snap-fitted to the first connecting seat 1-1. For details, see [link to details]. Figure 4 On the cover plate 1-3, on both sides of the first conductor 1-2 extending direction, there are buckles 1-5 respectively. On the first connecting seat 1-1, there is a slot that matches the buckle 1-5. The connection between the cover plate 1-3 and the first connecting seat 1-1 is achieved through the cooperation of the buckle 1-5 and the slot.
[0041] To improve the sealing of the connection between the cover plate 1-3 and the first connecting seat 1-1, a sealing ring 1-6 is provided between the buckle 1-5 and the slot.
[0042] To ensure the continuity between the first conductor 1-2 and the wire 4-1, a pressing elastic pad 1-4 is provided on the cover plate 1-3 at a position corresponding to the receiving groove 1-1a. Preferably, the pressing elastic pad 1-4 is a rubber pad. The cover plate 1-3 is fastened to the first connecting seat 1-1, and the pressing elastic pad 1-4 presses the wire 4-1 of the wire harness body 4 / wire harness branch 5 to the first conductor 1-2 in the first connecting seat 1-1 to establish continuity (e.g., ...). Figure 6 (As shown).
[0043] See Figure 3The transition connecting part 3 comprises a second connecting seat 3-1 and a plurality of second conductive bodies 3-2 arranged in the second connecting seat 3-1, both ends of the second connecting seat 3-1 in the thickness direction are in a closed state, and the second conductive bodies 3-2 are arranged in the second connecting seat 3-1 and connected to the first conductive bodies 1-2 in the first main body part 1 and the second main body part 2 respectively.
[0044] In the implementation, the transition connecting seat 3 and the first connecting seat 1-1 at both ends can be integrally formed, the second conductive bodies 3-2 and the first conductive bodies 1-2 at both ends are integrated wire cores, the material of the wire core is consistent with the conductive wire 4-1 in the flat wire bundle, the wire core is extended into the first connecting seat 1-1 at one side, and then extended into the first connecting seat 1-1 at the other side after passing through the second connecting seat 3-1. The above-mentioned connector is in an L shape (as shown in Figure 7 ) or a substantially L shape with a chamfer (as shown in Figure 8 , Figure 9 ).
[0045] In the installation, the connector is arranged at the connection between the wire bundle main body 4 and the wire bundle branch 5, the first connecting seat 1-1 is arranged on the wire bundle main body 4 or the wire bundle branch 5, the second connecting seat 3-1 is arranged at the transition area of the connection between the wire bundle main body 4 and the wire bundle branch 5, and then the cover plate 1-3 is buckled on the first connecting seat 1-1, so that the connection between the wire bundle main body 4 and the wire bundle branch 5 is realized, the reliability of the connection is ensured, and the safety performance of the automobile is improved.
[0046] The above examples are only for illustrating the technical concept and characteristics of the present application, the purpose is to enable the person skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent transformation or modification according to the spirit and essence of the present application should be covered in the protection scope of the present application.
Claims
1. An automobile wire harness reinforcing connection structure for connection of a flat wire harness including a wire harness main body and a wire harness branch connected to the wire harness main body, characterized by: The connector is arranged between the wire harness main body and the wire harness branch, and comprises: a first main body part extending along the length direction of the wire harness main body and in conductive connection with the wire harness main body; a second main body part extending along the length direction of the wire harness branch and in conductive connection with the wire harness branch; a transition connecting part connecting the first main body part and the second main body part and making the first main body part and the second main body part in conductive connection; the first main body part comprises a first connecting seat, a plurality of first conductive bodies arranged in parallel and spaced apart in the first connecting seat, and a cover plate detachably connected with the first connecting seat, the plurality of first conductive bodies corresponding to the wires in the wire harness main body; the second main body part is the same in structure as the first main body part; a plurality of accommodating grooves are arranged in the first connecting seat, the plurality of first conductive bodies are pre-buried in the plurality of accommodating grooves, and the wires of the wire harness main body / wire harness branch are accommodated in the accommodating grooves; the cover plate is snap-connected with the first connecting seat, buckles are arranged on the cover plate on both sides in the extension direction of the first conductive bodies, and clamping grooves matched with the buckles are arranged on the first connecting seat; the transition connecting part is integrally formed with the first connecting seat at both ends, comprises a second connecting seat and a plurality of second conductive bodies arranged in the second connecting seat, both ends of the second connecting seat in the thickness direction are in a closed state, the second conductive bodies are arranged in the second connecting seat and connected with the first conductive bodies in the first main body part and the second main body part at both ends, respectively, the second conductive bodies and the first conductive bodies at both ends are an integral wire core, and the material of the wire core is consistent with that of the wires in the flat wire harness.
2. The automobile wire harness reinforcement connecting structure according to claim 1, characterized by: a sealing ring is arranged between the buckle and the clamping groove.
3. The automotive wire harness reinforced connection structure according to claim 1, characterized by: a crimping elastic pad is fixed to the cover plate at a position corresponding to the accommodating groove.
4. The automotive wire harness reinforced connection structure according to claim 3, characterized by: the crimping elastic pad is a rubber pad.
Citation Information
Patent Citations
Flat harness
JP2002203431A
Branching structure and wire harness
US20180123301A1