CN203326167U - Simple FPC Connector - Google Patents

Abstract

The utility model discloses a simple and easy type FPC connector, including a plurality of conductive terminal of insulator, this insulator is equipped with the accommodation space by the through-going preceding after, is equipped with a plurality of terminal grooves in this accommodation space, conductive terminal forms the FPC interface in the terminal groove that corresponds separately by the cartridge before after, insulator's both sides are equipped with the jack by the top to the through-going bottom, install fixed soldering lug in this jack, and this fixed soldering lug includes a cartridge portion and a curved portion of bending, forms between this cartridge portion and the portion of bending and presss from both sides tight space, and this cartridge portion inlays in the jack, and this portion of bending stretches out the insulator outer wall, presss from both sides tight space card between insulator outer wall and jack. Therefore, the FPC connector has few components, compact structure, simple structure of especially the fixed welding feet and greatly reduced complexity of the mould, so that the connector is easy to produce and process, the production efficiency is effectively improved, and the cost is reduced.

Description

Simple FPC Connector

technical field

The utility model relates to the technology in the field of electrical connectors, in particular to a simple FPC connector. the

Background technique

The flexible flat cable printed circuit is called FPC. In recent years, FPC has been widely used to connect printed circuit boards and electronic components installed in portable information devices such as DVD (digital video camera), DSC (digital camera), Mobile phones, computers, etc. the

The traditional FPC electrical connector generally includes an insulating body, several conductive terminals, fixed solder pieces and pressure parts. The conductive terminals are inserted into the insulating body to form an FPC socket. There is a pressurized part, and the pressurized part has two states of open and pressurized. When opened, the FPC flat cable can be directly inserted into the FPC socket. When pressurized, the pressurized part turns down and rotates to compress the FPC flat cable. Make stable contact with conductive terminals. The fixed welding piece is inserted on both sides of the insulating body, and the fixed welding piece includes a clamping block at the head, a plurality of inserting extension blocks stamped into a special-shaped structure in the middle, and a welding leg at the lower end. In view of this, the insulating body is provided with a plurality of slots, the clamping block can be stopped above the insulating body, the insertion extension block is embedded in the slot, and the solder leg portion protrudes from the bottom surface of the insulating body. the

The above-mentioned traditional FPC electrical connector has many parts and assembly steps, the structure of each part is complicated, the production mold is complicated, and the cost is high; especially the fixed soldering piece needs to be bent many times during production, and it needs to be opened on the insulating body. There are many slots for it to be plugged tightly, which is inconvenient for production and assembly. the

Utility model content

In view of this, the utility model aims at the deficiencies in the prior art, and its main purpose is to provide a simple FPC connector with simple structure, convenient assembly and easy production. the

In order to achieve the above object, the utility model adopts the following technical solutions:

A simple FPC connector, comprising a plurality of conductive terminals of an insulating body, the insulating body is provided with an accommodating space penetrating from the rear to the front, and a plurality of terminal grooves are arranged in the accommodating space, and the conductive terminals are arranged from the rear to the front. The front is plugged into the respective corresponding terminal slots to form an FPC socket. The two sides of the insulating body are provided with jacks penetrating from the top to the bottom, and a fixed soldering piece is installed in the jack. The fixed soldering piece includes a plug The installation part and an arc-shaped bending part form a clamping space between the insertion part and the bending part. It is fixed between the outer wall of the insulating body and the socket.

Preferably, the bent portion is formed by bending the bottom edge of the insertion portion outward. the

Preferably, there is a notch above the front end of the FPC socket. the

Preferably, the conductive terminal includes a first elastic contact part, a second elastic contact part, a holding part and a welding foot part, the first and second elastic contact parts face up and down, and the holding part is tightly embedded in the inner wall of the terminal groove, The welding foot part protrudes from the rear end of the insulating body.

Preferably, the upper and lower sides of the holding part are provided with interference barbs capable of biting the insulating body. the

Preferably, stoppers are provided on the upper and lower sides of the rear end of the holding part, and the stoppers stop against the rear end surface of the insulating body. the

Preferably, the solder leg portion is a patch soldering structure. the

Preferably, the distance between two adjacent conductive terminals is 1.0 mm. the

Preferably, the insulating body is arranged horizontally. the

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that the FPC electrical connector is mainly composed of an insulating body, a conductive terminal and a fixed solder piece, and has fewer components. The structure of the component is simple, the fixed welding leg includes the arc-shaped bending part of the insertion part formed by stamping and bending, the structure is simple, and the complexity of the mold is greatly reduced, which makes the connector production and processing easy and low in cost. The foot assembly is stable, ensuring product and stability. the

In order to illustrate the structural features and functions of the utility model more clearly, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments. the

Description of drawings

Fig. 1 is the assembly three-dimensional schematic diagram of the embodiment of the utility model;

Fig. 2 is a bottom perspective view of Fig. 1;

Fig. 3 is the front view of Fig. 1;

Fig. 4 is the sectional view of A-A place in Fig. 3;

Fig. 5 is an exploded view of the embodiment of the utility model.

Explanation of the accompanying drawings:

10. Insulation body 11. Terminal slot

12. Jack 13. Notch

14. FPC socket

20. Fixed soldering piece 21. Insertion part

22. Bending part 23. Clamping space

30. Conductive terminal 31. First elastic contact part

32. Second elastic contact part 33. Holding part

34. Welding foot part 35. Contact

36. Interference barb 37. Block.

Detailed ways

Please refer to Figures 1 to 5, which show the specific structure of a preferred embodiment of the present invention, including an insulating body 10, a fixed solder piece 20 and a plurality of conductive terminals 30, the conductive terminals 30 are inserted into In the insulating body 10, the fixing solder piece 20 is used to fix the FPC on the PCB as a whole. the

Wherein, the insulating body 10 is injection-molded with plastic material (nylon 46 UL94V-0), and it is in the shape of a flat cuboid. The insulating body 10 is arranged horizontally, and the insulating body 10 is provided with an accommodating space penetrating from the back to the front. The accommodating space is provided with a plurality of terminal grooves 11 for installing the conductive terminals 30 . In addition, both sides of the insulating body 10 are provided with insertion holes 12 penetrating from the top to the bottom, for installing and fixing the soldering pieces 20 . In addition, a notch 13 is formed above the front end of the FPC socket 14 . the

The conductive terminals 30 are stamped and formed with metal materials (phosphor bronze) with good electrical conductivity, and are inserted into respective corresponding terminal slots 11 from back to front to form FPC sockets 14 . In this embodiment, there are 16 conductive terminals 30, and the distance between two adjacent conductive terminals 30 is 1.0mm, but the number of conductive terminals 30 can be increased or decreased according to the needs, as long as the distance between the terminals is limited to 1.0mm. This is the limit. Each conductive terminal 30 includes a first elastic contact portion 31 , a second elastic contact portion 32 , a holding portion 33 and a solder leg portion 34 . The first and second elastic contact parts 31 and 32 face up and down, and the opposite ends of the first and second elastic contact parts 31 and 32 are provided with contacts 35 to realize double-sided contact with the FPC flat cable. The holding part 33 is connected to the ends of the first and second elastic contact parts 31 and 32, the upper and lower sides of the holding part 33 are provided with interference barbs 36 that can bite the insulating body 10, and the upper and lower sides of the rear end of the holding part 33 are There is a stopper 37 on the side. When the holding part 33 is embedded in the terminal groove 11, the interference barb 36 is firmly stuck on the inner wall of the terminal groove 11. The stopper 37 stops on the rear end surface of the insulating body 10 to prevent the conductive terminal 30 from Excessive penetration. The welding foot part 34 protrudes from the rear end of the insulating body 10, and the welding foot part 34 is a patch type welding structure, which is easy to produce and process, has good stability after welding, and is less likely to have false welding. the

The fixing lug 20 is also stamped and formed by metal material, which includes an insertion portion 21 and an arc-shaped bending portion 22 , and a clamping space 23 is formed between the insertion portion 21 and the bending portion 22 . The bent portion 22 is formed by folding the bottom edge of the inserting portion 21 outwards, so that the inserting portion 21 and the bent portion 22 are in a “J” shape as a whole, with a simple structure and easy production. During assembly, the inserting portion 21 is embedded in the socket 12 , the bent portion 22 protrudes from the outer wall of the insulating body 10 , and the clamping space 23 is clamped between the outer wall of the insulating body 10 and the socket 12 . the

When assembling, insert the conductive terminal 30 into the terminal slot 11 of the insulating body 10 from back to front, and then insert the fixing lug 20 into the insertion hole 12 of the insulating body 10 downwards and upwards. the

When in use, solder the conductive terminal 30 and the soldering foot portion 34 of the fixed soldering piece 20 to the PCB board for fixing, insert the FPC flat cable, and then the FPC flat cable can be made to touch the contacts of the first and second elastic contact portions 31, 32. At point 35, information transmission is realized. the

In summary, the key point of the design of this utility model is that the FPC electrical connector is mainly composed of an insulating body 10, a conductive terminal 30 and a fixed solder piece 20, with few components and a simple structure of each component, and the fixed solder leg 20 includes stamping The curved bending part 22 of the insertion part 21 formed by bending has a simple structure and greatly reduces the complexity of the mold, which makes the production and processing of the connector easy and low in cost. Moreover, the assembly of the fixed welding leg is stable, ensuring the stability of the product and sex. the

The above are only preferred embodiments of the present utility model, and do not limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model , all still belong to the scope of the technical solution of the utility model. the

Claims (9)

1. A simple FPC connector, comprising a plurality of conductive terminals of an insulating body, the insulating body is provided with an accommodating space penetrating from the back to the front, and a plurality of terminal grooves are provided in the accommodating space, and the conductive terminals are formed by It is inserted into the respective corresponding terminal grooves to form the FPC socket. It is characterized in that: the two sides of the insulating body are provided with jacks through from the top to the bottom, and the fixed soldering pieces are installed in the jacks. The fixing lug includes an insertion part and an arc-shaped bending part, a clamping space is formed between the insertion part and the bending part, the insertion part is embedded in the socket, and the bending part protrudes from the insulating body The outer wall and the clamping space are fixed between the outer wall of the insulating body and the socket. 2 . The simple FPC connector according to claim 1 , wherein the bent portion is formed by folding the bottom edge of the inserting portion outward. 3 . 3. The simple FPC connector according to claim 1, wherein there is a notch above the front end of the FPC socket. 4. The simple FPC connector according to claim 1, characterized in that: the conductive terminal includes a first elastic contact portion, a second elastic contact portion, a holding portion and a solder foot portion, the first and second elastic The contact part is facing up and down, the holding part is tightly embedded in the inner wall of the terminal groove, and the welding foot part protrudes from the rear end of the insulating body. 5. The simple FPC connector according to claim 4, characterized in that: the upper and lower sides of the holding part are provided with interference barbs capable of biting the insulating body. 6 . The simple FPC connector according to claim 4 , wherein stoppers are provided on the upper and lower sides of the rear end of the holding part, and the stoppers stop against the rear end surface of the insulating body. 7 . 7. The simple FPC connector according to claim 4, characterized in that: the solder leg portion is a patch soldering structure. 8. The simple FPC connector according to claim 1, wherein the distance between two adjacent conductive terminals is 1.0mm. 9. The simple FPC connector according to claim 1, wherein the insulating body is arranged horizontally.

Images