Square pin terminal automobile connector

By using a fixed -component -connected needle component in the car connector, the problem of lack of power in the assembly process is solved, and higher assembly accuracy and efficiency are achieved.

CN222422435UActive Publication Date: 2025-01-28WANXIANG ELECTRONIC TECH (ANHUI) CO LTD
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Patent Information

Application Number
CN202420318836.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-21
Publication Date
2025-01-28
Estimated Expiration
2034-02-21

AI Technical Summary

Technical Problem

The terminals of existing automotive connectors have less retaining force during assembly and are prone to loosening, resulting in poor assembly position and low efficiency.

Method used

Use a fixed part to connect the needle component together to form a terminal structure and injection molding with the insulation subject in the mold. The fixed parts can stabilize and locate the bending part of the row component through the arc transition surface of the convex part and the installation hole.

Benefits of technology

It improves the positioning accuracy and assembly stability of the terminal structure in the mold, avoids the skewing and deformation of the needle foot end, and ensures the assembly accuracy and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a square pin terminal automobile connector, a fixing member comprises a main body part and a projection part, the main body part and the projection part are provided with a plurality of equidistantly distributed mounting holes in a penetrating manner, pin header assemblies are installed in the plurality of mounting holes, one end of each pin header assembly close to the projection part is bent, and the other end of each pin header assembly is bent. An arc-shaped transition face is arranged at the position, corresponding to the bent portion, in the installation hole. According to the utility model, the pin header assemblies are connected together to form the terminal structure through the arranged fixing piece, the terminal structure can be more conveniently positioned in a mold, so that the insulation main body can be more conveniently formed through injection molding, and the fixing piece is fixed through the arranged convex part and the arc-shaped transition surface in the mounting hole. And the bending part of the pin header assembly is stably supported and positioned, so that skewing and deformation of the pin end are avoided, and the assembly precision is ensured.
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Description

Technical Field

[0001] The utility model belongs to the technical field of connectors, and in particular relates to a square pin automobile connector. Background Art

[0002] Automotive connectors generally include an insulating body and a terminal, and the pin end of the terminal generally needs to be bent.

[0003] In the prior art, the terminals of automotive connectors are generally formed by stamping. After the terminals are formed, the terminals are inserted into the mold strips one by one, and then molded. Since the number of terminals of automotive connectors is often large and the pin ends of the bent parts are relatively long, the holding force of the terminals is small during assembly, the terminals are easy to loosen, and the assembly position is poor, resulting in low assembly efficiency. Utility Model Content

[0004] The utility model aims at solving the problems in the prior art and proposes the following technical solutions:

[0005] The utility model provides a square pin terminal automobile connector, comprising:

[0006] An insulating body and a terminal structure disposed in the insulating body and integrated with the insulating body;

[0007] The terminal structure comprises a pin header assembly and a fixing member, wherein the fixing member fixes the pin header assembly so that the pin header assembly is injection-molded with the insulating body in a mold;

[0008] The fixing member includes a main body and a raised portion, and a plurality of equally spaced mounting holes are formed through the main body and the raised portion. The needle assembly is installed in the plurality of mounting holes, and one end of the needle assembly close to the raised portion is bent to form a bent portion, and an arc-shaped transition surface is provided in the mounting hole at a position corresponding to the bent portion.

[0009] As a preferred embodiment of the above technical solution, a plug-in interface is provided on the front side of the insulating body, a positioning portion is extended outward from the back edge of the insulating body, the positioning portion is provided with a plurality of extension holes, and the pin ends of the terminal structure pin assembly extend out of the positioning portion from the extension holes.

[0010] As a preferred embodiment of the above technical solution, the needle row assembly includes a first needle row assembly and a second needle row assembly, and the mounting holes are correspondingly provided with two groups, each group is equidistantly arranged on the same straight line, the needle row assembly is installed in the upper mounting hole to form a first needle row assembly, and the needle row assembly is installed in the lower mounting hole to form a second needle row assembly.

[0011] As a preferred embodiment of the above technical solution, it further includes a positioning block, and a plurality of the positioning blocks are arranged on the bottom end wall of the fixing member.

[0012] As a preferred embodiment of the above technical solution, it also includes a positioning groove, which is arranged on a side wall of one end of the fixing member close to the plug-in port.

[0013] As a preferred embodiment of the above technical solution, positioning cavities are symmetrically arranged in the plug-in interface of the insulating body.

[0014] As a preferred embodiment of the above technical solution, a positioning column is provided at the bottom end of the insulating body.

[0015] The beneficial effects of the utility model are:

[0016] The utility model connects the pin header assemblies together to form a terminal structure through the provided fixing piece, which can more conveniently position the terminal structure in the mold, thereby making it more convenient to injection mold the insulating body. The fixing piece stably supports and positions the bent portion of the pin header assembly through the provided raised portion and the arc-shaped transition surface in the mounting hole, thereby avoiding skewing and deformation of the pin ends and ensuring assembly accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Shown is an overall schematic diagram of a connector in an embodiment;

[0018] Figure 2 Shown is an exploded schematic diagram of a connector in an embodiment;

[0019] Figure 3 What is shown is a three-dimensional schematic diagram of a fixing member in an embodiment;

[0020] Figure 4 Shown is a plan view of a connector in an embodiment;

[0021] Figure numerals: 10, insulating body; 11, positioning column; 12, positioning cavity; 20, terminal structure; 201, bending portion; 21, first needle row assembly; 22, second needle row assembly; 23, fixing member; 24, mounting hole; 25, positioning block; 26, positioning groove. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution of the present utility model will be clearly and completely described below in conjunction with the embodiments.

[0023] Example

[0024] like Figure 1 , Figure 2 , Figure 3 As shown, Figure 1 Shown is an overall schematic diagram of the connector in the embodiment, Figure 2 FIG. 1 shows an exploded schematic diagram of a connector in an embodiment. Figure 3 What is shown is a three-dimensional schematic diagram of the fixing member in the embodiment.

[0025] The device comprises an insulating body 10 and a terminal structure 20 disposed in the insulating body 10 and integral with the insulating body 10. The terminal structure 20 comprises a pin header assembly and a fixing member 23, wherein the fixing member 23 fixes the pin header assembly so that the pin header assembly is injection molded with the insulating body 10 in a mold.

[0026] The fixing member 23 includes a main body and a raised portion, wherein a plurality of mounting holes 24 are formed through the main body and the raised portion, and the plurality of mounting holes 24 are evenly distributed, and the pin header assembly is mounted in the plurality of mounting holes 24 .

[0027] One end of the pin header assembly close to the raised portion is bent to form a bent portion 201 , and an arc-shaped transition surface is provided in the mounting hole 24 at a position corresponding to the bent portion 201 .

[0028] The front side of the insulating body 10 is provided with an insertion interface, and the back edge of the insulating body 10 extends outward with a positioning portion, which is provided with a plurality of extension holes, and the pin ends of the pin assembly of the terminal structure 20 extend out of the positioning portion from the extension holes.

[0029] The technical solution adopts terminal insert molding, and by setting a fixing part 23, the pin header assembly is connected together to form a terminal structure 20, which can more conveniently position the terminal structure in the mold, so that the insulating body 10 can be more conveniently injection molded, and the fixing part 23 stably supports and positions the bent portion 201 of the pin header assembly through the provided protrusion and the arc-shaped transition surface in the mounting hole 24, so as to avoid the pin end from being skewed and deformed, thereby ensuring the assembly accuracy.

[0030] The needle row assembly includes a first needle row assembly 21 and a second needle row assembly 22. Two groups of mounting holes 24 are correspondingly arranged, and each group is equidistantly arranged on the same straight line. The needle row assembly is installed in the upper mounting hole 24 to form the first needle row assembly 21, and the needle row assembly is installed in the lower mounting hole 24 to form the second needle row assembly 22.

[0031] The specific number of needle row assemblies can be determined according to specific needs. In this solution, six first needle row assemblies 21 and six second needle row assemblies 22 are provided.

[0032] like Figure 1 , Figure 2 , Figure 4 As shown, Figure 1 Shown is an overall schematic diagram of the connector in the embodiment, Figure 2 FIG. 1 shows an exploded schematic diagram of a connector in an embodiment. Figure 4 Shown is a schematic plan view of a connector in an embodiment.

[0033] The fixing member 23 further includes positioning blocks 25 and positioning grooves 26 . A plurality of positioning blocks 25 are arranged on the bottom end wall of the fixing member 23 , and the positioning grooves 26 are arranged on a side wall of the fixing member 23 at one end close to the plug-in port.

[0034] The positioning block 25 and the positioning groove 26 both play a positioning role in the terminal insert molding process. The number of the positioning block 25 and the positioning groove 26 can be determined according to actual needs. In the utility model, the number of the positioning block 25 is set to four, and the number of the positioning groove 26 is set to three.

[0035] A positioning cavity 12 is symmetrically arranged in the plug interface of the insulating body 10 , and a positioning column 11 is arranged at the bottom end of the insulating body 10 . The insulating body 10 is made of insulating plastic material. The positioning cavity 12 and the positioning column 11 are both used to position and fix the insulating body 10 .

[0036] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. A square pin automotive connector, characterized in that: include: An insulating body (10) and a terminal structure (20) disposed in the insulating body (10) and integral with the insulating body (10); The terminal structure (20) comprises a pin header assembly and a fixing member (23), wherein the fixing member (23) fixes the pin header assembly so that the pin header assembly is injection-molded with the insulating body (10) in a mold; The fixing member (23) comprises a main body and a raised portion, wherein the main body and the raised portion are provided with a plurality of equally spaced mounting holes (24), the needle row assembly is mounted on the plurality of mounting holes (24), one end of the needle row assembly close to the raised portion is bent to form a bent portion (201), and an arc-shaped transition surface is arranged in the mounting hole (24) at a position corresponding to the bent portion (201).

2. A square pin automotive connector according to claim 1, characterized in that: The front side of the insulating body (10) is provided with an insertion interface, the back edge of the insulating body (10) is provided with a positioning portion extending outward, the positioning portion is provided with a plurality of extension holes, and the pin ends of the pin assembly of the terminal structure (20) extend out of the positioning portion from the extension holes.

3. The square pin automotive connector according to claim 1, characterized in that: The needle row assembly comprises a first needle row assembly (21) and a second needle row assembly (22); the mounting holes (24) are correspondingly provided with two groups, each group being equidistantly arranged on the same straight line; the needle row assembly is installed in the upper mounting hole (24) to form the first needle row assembly (21); and the needle row assembly is installed in the lower mounting hole (24) to form the second needle row assembly (22).

4. The square pin automotive connector according to claim 1, characterized in that: It also comprises a positioning block (25), wherein a plurality of the positioning blocks (25) are arranged on the bottom end wall of the fixing member (23).

5. A square pin automotive connector according to claim 4, characterized in that: It also includes a positioning groove (26), which is arranged on a side wall of one end of the fixing member (23) close to the plug-in port.

6. The square pin automotive connector according to claim 2, characterized in that: Positioning cavities (12) are symmetrically arranged in the insertion interface of the insulating body (10).

7. The square pin automotive connector according to claim 2, characterized in that: A positioning column (11) is provided at the bottom end of the insulating body (10).