PCBA board fixing and wire harness connector stop structure
By designing a combined structure of PCBA board hooks, connector anti-reverse ribs, and positioning pins, the problem of additional processes and high costs required for PCBA board fixing was solved, achieving stable connection and cost optimization, and meeting the lightweight and lean manufacturing requirements of automotive lighting design.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYST CO LTD
- Filing Date
- 2025-08-13
- Publication Date
- 2026-07-24
AI Technical Summary
In the existing technology, fixing PCBA boards requires additional screw fastening or riveting processes, which are costly, and connectors require secondary fastening, resulting in production inconvenience and increased costs.
A PCBA board fixing and wire harness connector anti-retraction structure is designed, which adopts a combination of PCBA board hooks, connector anti-retraction ribs and positioning pins, and is integrally injection molded to achieve PCBA board fixing and stable connector connection, avoiding additional processes and secondary locking.
It achieves precise fixing and stable connection of PCBA boards, reduces production costs, simplifies assembly processes, and meets the lightweight and lean manufacturing requirements of modern automotive lighting design.
Smart Images
Figure CN224555853U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive lighting technology, specifically to a PCBA board fixing and wire harness connector anti-retraction structure. Background Technology
[0002] With the increasing demand for lightweight and lean manufacturing in modern automotive lighting design, the cost of lighting fixtures needs to be further optimized. PCBA boards need to be precisely and stably fixed, and the connectors on the PCBA boards need to be guaranteed not to fall off after vibration and other working conditions to ensure the normal use of the lighting fixtures.
[0003] Currently, traditional technologies typically use screw fastening or riveting to fix PCBA boards, while employing connectors with secondary fastening capabilities to prevent them from falling off. However, screw fastening / riveting requires additional steps, and connectors with secondary fastening are expensive. Therefore, designing a PCBA board that eliminates the need for additional fastening steps and allows the use of connectors without secondary fastening has become a pressing problem. Utility Model Content
[0004] The purpose of this invention is to address the problems of additional processes and high costs associated with the existing methods of fixing PCBA boards using screws or riveting. A new PCBA board fixing and wire harness connector anti-retraction structure has been designed to solve these problems.
[0005] To achieve the above objectives, this utility model is implemented through the following technical solution:
[0006] This utility model designs a PCBA board fixing and wire harness connector anti-retraction structure. The PCBA board has opposing first and second sides, and also has positioning holes. PCBA board connectors are respectively provided on the first and second sides, and the PCBA board connectors are used to connect wire harness connectors. The anti-retraction structure includes the following features:
[0007] PCBA board mounting plate;
[0008] The PCBA board clip has at least two clips. The PCBA board clip is disposed on the surface of the PCBA board fixing plate and forms a slot therewith. The first side and the second side are respectively inserted into the slot to fix the PCBA board to the PCBA board fixing plate.
[0009] At least two connector anti-backlash ribs are provided. The connector anti-backlash ribs are provided on the surface of the PCBA board fixing plate to block the wire harness connectors on both sides of the PCBA board.
[0010] And a positioning pin, which is disposed on the surface of the PCBA board fixing plate, the positioning pin cooperating with the positioning hole.
[0011] Specifically, the diameter of the locating pin is set to be no less than 4.0mm. After the PCBA board is installed on this anti-reverse structure, the gap between the connector anti-reverse rib and the wire harness connector is about 0.5mm, which can effectively prevent the connector from falling off after connection.
[0012] This utility model designs a PCBA board fixing and wire harness connector anti-retraction structure, which uses pin holes for positioning and hooks for fixing, ensuring the accuracy and stability of PCBA board fixing.
[0013] Furthermore, a PCBA board fixing and wire harness connector anti-retraction structure: the PCBA board fixing plate, PCBA board hook, and connector anti-retraction rib are integrally injection molded.
[0014] Furthermore, a PCBA board fixing and wire harness connector anti-retraction structure is provided: the PCBA board hook is disposed on the surface of the PCBA board fixing plate along the opposite diagonal of the PCBA board; the connector anti-retraction rib is disposed on the surface of the PCBA board fixing plate along the other opposite diagonal of the PCBA board.
[0015] Furthermore, a PCBA board fixing and wire harness connector anti-retraction structure is provided: the PCBA board hook is provided with a first guide slope to guide the PCBA board into the slot.
[0016] Furthermore, a PCBA board fixing and wire harness connector anti-reverse structure is provided: the first guide slope forms an angle of 30 to 60° with the surface of the PCBA board fixing plate.
[0017] Furthermore, a PCBA board fixing and wire harness connector anti-retraction structure: the insertion length of the first side and the second side in the slot is not less than 2.0mm.
[0018] Furthermore, a PCBA board fixing and wire harness connector anti-retraction structure is provided: the wall thickness of the PCBA board hook is set to be no less than 2.0mm.
[0019] Furthermore, a PCBA board fixing and wire harness connector anti-reverse structure is provided: the end of the connector anti-reverse rib is provided with a second guide slope.
[0020] Furthermore, a PCBA board fixing and wire harness connector anti-reverse structure: the second guide slope forms an angle of 30 to 60° with the direction perpendicular to the PCBA board fixing plate.
[0021] Furthermore, a PCBA board fixing and wire harness connector anti-retraction structure is provided: the wall thickness of the connector anti-retraction rib is set to be not less than 1.5mm; the height of the connector anti-retraction rib protruding from the surface of the PCBA board fixing plate is not less than 6.0mm.
[0022] The beneficial effects of this utility model are:
[0023] This utility model designs a PCBA board fixing and wire harness connector anti-retraction structure. The designed PCBA board hook can fix the PCBA board, eliminating the need for additional PCBA board fixing processes such as screw fastening or riveting. At the same time, through the structural design of the connector anti-retraction rib, it can effectively prevent the connector from falling off after the connection is completed, and there is no need to use connectors with secondary fastening, thus reducing costs.
[0024] This invention relates to a PCBA board fixing and wire harness connector anti-retraction structure. After the PCBA board with connectors is assembled with the wire harness connectors, it is positioned by locating pins. The PCBA board is then fixed to a PCBA board fixing plate by hooks. Once the PCBA board is fixed to this anti-retraction structure, there is only about a 0.5mm gap between the connector anti-retraction rib and the wire harness connector in the connector detachment direction, effectively preventing detachment after connection. This PCBA board fixing and wire harness connector anti-retraction structure, while ensuring PCBA board fixation, also guarantees the stability and precision of the overall structure, reduces the need for additional PCBA board fixing processes, and uses connectors that do not require secondary locking, reducing the cost of the wire harness and PCBA board, thus meeting the demands of modern automotive lighting design for lightweight and lean manufacturing.
[0025] This utility model designs a PCBA board fixing and wire harness connector anti-retraction structure. Through the structural design of the anti-retraction rib of the connector, it can eliminate the need for connectors with secondary locking, thereby optimizing the selection range of connectors, providing a wider range of connector selection, facilitating production and assembly, and achieving cost reduction and efficiency improvement.
[0026] This utility model designs a PCBA board fixing and wire harness connector anti-retraction structure, which integrates the PCBA board fixing plate, PCBA board hook, and connector anti-retraction rib into a single injection molding process. This not only simplifies the assembly process but also optimizes costs. Attached Figure Description
[0027] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0028] Figure 1 A schematic diagram of a PCBA board fixing and wire harness connector anti-retraction structure designed for Embodiment 1 of this utility model;
[0029] Figure 2 for Figure 1 Cross-sectional view along the AA direction;
[0030] Figure 3 for Figure 2 A magnified view of part A in the middle;
[0031] Figure 4 for Figure 2 A magnified view of part B in the middle.
[0032] The markings in the image are as follows:
[0033] 1-PCBA board fixing plate, 2-PCBA board clip, 3-connector anti-reverse rib, 4-positioning pin, 5-PCBA board, 6-PCBA board connector, 7-wire harness connector, 21-slot, 22-first guide slope, 31-second guide slope, 51-first side, 52-second side, 53-positioning hole. Detailed Implementation
[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present utility model or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0035] In the description of this utility model, it should be understood that the terms "upper," "lower," "left," "right," "top," and "bottom," etc., indicating orientation or positional relationships, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," etc., are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that embodiments of this utility model described herein can be implemented in orders other than those illustrated or described herein.
[0036] Example 1
[0037] like Figures 1-4 As shown, this embodiment 1 designs a PCBA board fixing and wire harness connector anti-retraction structure, wherein the PCBA board 5 has a first side 51 and a second side 52 opposite to each other, and the PCBA board 5 also has a positioning hole 53. The first side 51 and the second side 52 are respectively provided with PCBA board connectors 6 (connectors without secondary locking function), and the PCBA board connectors 6 are used to connect wire harness connectors 7.
[0038] The backstop structure includes the following settings:
[0039] PCBA board fixing plate 1;
[0040] At least two PCBA board clips 2 are provided. The PCBA board clips 2 protrude diagonally from the PCBA board 5 onto the surface of the PCBA board fixing plate 1. A slot 21 is formed between the PCBA board clips 2 and the surface of the PCBA board fixing plate 1. The wall thickness of the PCBA board clips 2 is not less than 2.0 mm. A first guide slope 22 is provided on the PCBA board clips 2, and the first guide slope 22 forms an angle of 30 to 60° with the surface of the PCBA board fixing plate 1. The first side 51 and the second side 52 of the PCBA board 5 are respectively inserted into the slot 21 under the guidance of the first guide slope 22 (the insertion depth of the first side 51 and the second side 52 in the slot 21 is not less than 2.0 mm) to fix the PCBA board 5 to the PCBA board fixing plate 1.
[0041] At least two connector anti-reverse ribs 3 are provided. The connector anti-reverse ribs 3 protrude from the opposite corner of the PCBA board 5 onto the surface of the PCBA board fixing plate 1 to block the wire harness connectors 7 on both sides of the PCBA board 5. The end of the connector anti-reverse rib 3 is provided with a second guide slope 31, and the second guide slope 31 forms an angle of 30 to 60° with the direction perpendicular to the surface of the PCBA board fixing plate 1. The wall thickness of the connector anti-reverse rib 3 is not less than 1.5 mm, and the height of the connector anti-reverse rib 3 protruding from the surface of the PCBA board fixing plate 1 is not less than 6.0 mm. The PCBA board fixing plate 1, the PCBA board hook 2, and the connector anti-reverse rib 3 are integrally injection molded.
[0042] And a positioning pin 4, the diameter of which is not less than 4.0 mm, is set on the surface of the PCBA board fixing plate 1. The positioning pin 4 cooperates with the positioning hole 53 to achieve positioning of the PCBA board 5.
[0043] Specifically, the PCBA board fixing and wire harness connector anti-retraction structure designed in Example 1 uses positioning pin 4 and positioning hole 53 for positioning and PCBA board hook 2 for fixing, which ensures the accuracy and stability of PCBA board 5 fixing.
[0044] Specifically, the PCBA board fixing and wire harness connector anti-retraction structure designed in Example 1 relates to the field of automotive lighting technology. This anti-retraction structure is integrally injection molded by PCBA board fixing plate 1, PCBA board hook 2 and connector anti-retraction rib 3, etc. While fixing PCBA board 5 (while achieving the optical unit effect), it ensures the heat dissipation performance of the overall structure and reduces the weight of the overall structure. At the same time, it has obvious advantages in assembly process and construction cost, which can meet the needs of modern automotive lighting design for lightweight and lean production.
[0045] Specifically, the PCBA board fixing and wire harness connector anti-reverse structure designed in Example 1, while fixing the PCBA board 5, ensures the stability and accuracy of the overall structure, reduces the additional process of fixing the PCBA board 5, and selects connectors that do not require secondary locking, thereby reducing the cost of wire harnesses and PCBA boards. This can meet the requirements of modern automotive lighting design for lightweight and lean manufacturing.
[0046] The above-described preferred embodiments of this utility model are for illustrative purposes only and are not intended to limit the scope of this utility model. Any obvious variations or modifications derived from the technical solutions of this utility model are still within the protection scope of this utility model.
Claims
1. A PCBA board fixing and wire harness connector anti-retraction structure, characterized in that, The PCBA board (5) has a first side (51) and a second side (52) opposite to each other, and a positioning hole (53) is provided thereon. PCBA board connectors (6) are respectively provided on the first side (51) and the second side (52). The PCBA board connectors (6) are used to connect wire harness connectors (7). The backstop structure includes the following settings: PCBA board fixing plate (1); PCBA board clips (2), at least two of which are provided. The PCBA board clips (2) are provided on the surface of the PCBA board fixing plate (1) and form a slot (21) therewith. The first side (51) and the second side (52) are respectively inserted into the slot (21) to achieve fixation on the PCBA board fixing plate (1). At least two connector anti-backlash ribs (3) are provided. The connector anti-backlash ribs (3) are provided on the surface of the PCBA board fixing plate (1) to block the wire harness connectors (7) on both sides of the PCBA board (5). And a positioning pin (4), which is disposed on the surface of the PCBA board fixing plate (1), and the positioning pin (4) cooperates with the positioning hole (53).
2. The PCBA board fixing and wire harness connector anti-retraction structure according to claim 1, characterized in that, The PCBA board fixing plate (1), PCBA board hook (2) and connector anti-reverse rib (3) are integrally injection molded.
3. The PCBA board fixing and wire harness connector anti-retraction structure according to claim 1, characterized in that, The PCBA board clip (2) is disposed on the surface of the PCBA board fixing plate (1) along the diagonal of the PCBA board (5); The connector anti-reverse rib (3) is disposed on the surface of the PCBA board fixing plate (1) along the other opposite corner of the PCBA board (5).
4. The PCBA board fixing and wire harness connector anti-retraction structure according to claim 1, characterized in that, The PCBA board clip (2) is provided with a first guide slope (22) to guide the PCBA board (5) into the card slot (21).
5. The PCBA board fixing and wire harness connector anti-retraction structure according to claim 4, characterized in that, The first guide slope (22) forms an angle of 30 to 60° with the surface of the PCBA board fixing plate (1).
6. The PCBA board fixing and wire harness connector anti-retraction structure according to claim 1, characterized in that, The insertion length of the first side (51) and the second side (52) in the slot (21) is not less than 2.0 mm.
7. The PCBA board fixing and wire harness connector anti-retraction structure according to claim 1, characterized in that, The wall thickness of the PCBA board clip (2) is set to be no less than 2.0 mm.
8. The PCBA board fixing and wire harness connector anti-retraction structure according to claim 1, characterized in that, The end of the connector anti-reverse rib (3) is provided with a second guide slope (31).
9. The PCBA board fixing and wire harness connector anti-retraction structure according to claim 8, characterized in that, The second guide slope (31) forms an angle of 30 to 60° with the direction perpendicular to the PCBA board fixing plate (1).
10. The PCBA board fixing and wire harness connector anti-retraction structure according to claim 1, characterized in that, The wall thickness of the connector anti-reverse rib (3) is set to be not less than 1.5mm; the protrusion height of the connector anti-reverse rib (3) is not less than 6.0mm.