CN211670329U

CN211670329U - FPC-aluminum sheet connecting structure integrating crimping and welding and connector

Info

Publication number: CN211670329U
Application number: CN202020180589.9U
Authority: CN
Inventors: 林浩特; 郭建伟; 覃飞虎; 朱新爱
Original assignee: Shanghai Laimu Electronic Co Ltd
Current assignee: Shanghai Laimu Electronic Co Ltd
Priority date: 2020-02-18
Filing date: 2020-02-18
Publication date: 2020-10-13
Anticipated expiration: 2030-02-18

Abstract

The utility model relates to a FPC-aluminum sheet connecting structure integrating crimping and welding, which comprises a terminal and a crimping pin, wherein the terminal is made of copper tinned material and is welded with an aluminum sheet; the line ball foot is located one side of terminal is equipped with a plurality of flexible protruding portions on the line ball foot, flexible protruding portion and FPC soft board crimping. Compared with the prior art, the terminal in the utility model is punched and formed by copper tinned materials, can realize the rapid crimping process with FPC, and can meet the welding requirement with aluminum sheets; the terminal takes copper as a substrate, has low cost compared with nickel materials, adopts a single part structure, and has simple working procedures and easy production in the specific FPC and aluminum sheet connection process; the press pin can be used for designing a single press pin or a plurality of press pin terminals for press connection according to the use requirement, so that the reliability of connection with the FPC is ensured.

Description

FPC-aluminum sheet connecting structure integrating crimping and welding and connector

Technical Field

The utility model belongs to the technical field of the connector and specifically relates to a collect crimping and integrative FPC-aluminum sheet connection structure of welding and connector.

Background

In current connector structure, need accomplish FPC and aluminum sheet and be connected to this realizes complete electricity and connects, and the specific material selection in-process of connector processing is because of the nickel material is hard, can't directly be used for the riveting. The compound of the copper and aluminum welding is easy to crack and has insufficient bonding strength.

Therefore, in the connection structure of the FPC and the aluminum sheet in the prior art, the FPC and the nickel sheet are usually riveted and combined by using the copper press buckle, and then the nickel sheet is welded with the aluminum sheet, so as to achieve the purpose of connecting the FPC and the aluminum sheet. In the technical scheme, however, the nickel material has low conductivity and is connected by a nickel sheet, so that the contact resistance is high; and in the technical scheme, multi-component assembly is required, the process is complex, the productivity is low, the cost is high, and efficient full-automatic production is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects of the prior art and providing a FPC-aluminum sheet connection structure and a connector integrating crimping and welding, which can realize the rapid crimping process with FPC and meet the welding requirements of aluminum sheets by the punch forming of copper-tin-plated materials.

The purpose of the utility model can be realized through the following technical scheme:

the utility model discloses collect crimping and integrative FPC-aluminum sheet connection structure of welding includes terminal and pressure line foot, wherein specifically:

the terminal is made of copper tinning material and is welded with the aluminum sheet;

the line ball foot is located one side of terminal is equipped with a plurality of flexible protruding portions on the line ball foot, flexible protruding portion and FPC soft board crimping.

Further, the terminal is of a plate-shaped structure.

Furthermore, the inner layer of the terminal is a copper plate, and the outer layer of the terminal is a tin plating layer.

Furthermore, the tin plating layer is connected with the aluminum sheet by laser welding.

Furthermore, the wire pressing pin and the terminal are integrally formed and connected, namely the terminal and the wire pressing pin are integrally formed by punching, so that the processing process is fully automatic.

Furthermore, the wire pressing pin is of a strip-shaped plate structure.

Furthermore, one end of the wire pressing pin in the length direction is connected with the terminal.

Furthermore, the flexible protruding parts are distributed along the length direction of the line pressing pin, and the number of the flexible protruding parts is designed according to specific requirements.

Further, the flexible protruding part is in puncture type pressure joint with the FPC soft board.

The FPC-aluminum sheet connection structure integrating crimping and welding in the utility model is applied to the connector to form a new connector structure in the utility model.

Compared with the prior art, the utility model has the advantages of it is following:

1) the utility model provides a terminal with copper tinned material stamping forming, can realize fast with FPC's crimping process, can satisfy the welding requirement with the aluminum sheet again.

2) The utility model provides a terminal uses copper as the substrate, compares nickel material with low costs, and adopts single part structure, simple, the easy production of process in concrete FPC and aluminum sheet connection.

3) The utility model provides a pressure terminal pin can be according to the user demand, and single pressure terminal pin of design or a plurality of pressure terminal pin terminal carry out the crimping to this reliability of being connected with FPC is ensured.

Drawings

FIG. 1 is a schematic view of the FPC-aluminum sheet connection structure of the present invention integrating compression bonding and welding;

fig. 2 is a schematic structural view of an FPC-aluminum sheet connection structure in embodiment 1 of the present invention;

fig. 3 is a schematic structural view of the FPC-aluminum sheet connection structure in embodiment 2 of the present invention.

In the figure: 1. terminal, 2, wire pressing pin, 3, aluminum sheet, 4, FPC soft board, 21, flexible protruding portion.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Example 1

The utility model discloses collect crimping and integrative FPC-aluminum sheet connection structure of welding includes terminal 1 and line ball foot 2, see figure 1, wherein terminal 1 is copper tinning material, and terminal 1 welds with aluminum sheet 3. The terminal 1 has a plate-like structure. The inner layer of the terminal 1 is a copper plate, and the outer layer is a tin plating layer. The tin plating layer is connected with the aluminum sheet 3 by laser welding. The terminal is formed by stamping a copper tinned material, can realize a crimping process with an FPC quickly, and can meet the welding requirement with an aluminum sheet. The terminal uses copper as the substrate, compares nickel material with low costs, and adopts single part structure, and the process is simple, easy production in specific FPC and aluminum sheet connection process.

In this embodiment, 1 wire pressing pin 2 is disposed in the middle of one side of the terminal 1, a plurality of flexible protrusions 21 are disposed on the wire pressing pin 2, and the flexible protrusions 21 are in pressure contact with the FPC flexible board 4. The terminal 1 is connected with the terminal 2 in an integrated forming mode, namely the terminal 1 and the terminal 2 are formed by integrated punching, so that the processing process is fully automatic. The wire pressing pin 2 is of a strip-shaped plate structure. One end of the wire pressing pin 2 in the length direction is connected with the terminal 1. The flexible protruding parts 21 are distributed along the length direction of the crimping leg 2, and the number of the flexible protruding parts 21 is designed according to specific requirements. In a specific use process, the flexible protrusion 21 is puncture-pressed on the FPC flexible board 4.

The FPC-aluminum sheet connecting structure integrating crimping and welding in the utility model is applied to the connector to form a new connector structure in the embodiment.

Example 2

In this embodiment, since the width of the FPC flexible board is equivalent to the width of the terminal, 2 wire pressing pins 2 are used to connect the FPC flexible board, as shown in fig. 2, so as to realize a more stable connection structure and avoid connection failure caused by long-term use, and a specific schematic diagram of terminal assembly and use is shown in fig. 3.

The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.

Claims

1. A collect crimping and integrative FPC-aluminum sheet connection structure of welding which characterized in that includes:

the terminal (1) is made of copper tinning materials, and the terminal (1) is welded with the aluminum sheet (3);

the terminal comprises a terminal (1), a press line pin (2) arranged on one side of the terminal (1), a plurality of flexible protruding parts (21) arranged on the press line pin (2), and the flexible protruding parts (21) are in press connection with the FPC soft board (4).

2. An FPC-Al sheet connection structure integrating compression joint and welding as a whole as claimed in claim 1, characterized in that said terminal (1) is of a plate-like structure.

3. The FPC-aluminum sheet connection structure integrating compression joint and welding as claimed in claim 1, wherein the inner layer of the terminal (1) is a copper plate, and the outer layer is a tin plating layer.

4. The FPC-aluminum sheet connection structure integrating compression bonding and welding as claimed in claim 3, wherein said tin plating layer is laser welded to the aluminum sheet (3).

5. The FPC-aluminum sheet connecting structure integrating compression bonding and welding as claimed in claim 1, wherein the pressing pins (2) are integrally connected with the terminals (1).

6. The FPC-aluminum sheet connecting structure integrating compression joint and welding as claimed in claim 1, wherein the pressing pins (2) are strip-shaped plate-shaped structures.

7. The FPC-aluminum sheet connecting structure integrating compression bonding and welding as claimed in claim 6, wherein one end of the length direction of the pressing pin (2) is connected with the terminal (1).

8. The FPC-aluminum sheet connecting structure integrating compression bonding and welding as claimed in claim 7, wherein said flexible protrusions (21) are distributed along the length direction of the pressing pins (2).

9. An FPC-Al sheet connection structure integrating compression joint and welding as claimed in claim 8, wherein said flexible protrusions (21) are puncture-compressed on said FPC soft board (4).

10. A connector characterized by comprising the FPC-aluminum sheet connection structure of claim 1 integrating crimping and soldering.