CN203242857U - Electrical connector device for flexible cables - Google Patents

Abstract

The utility model discloses an electrical connector device for a flexible cable. A plurality of terminal slots are provided in a docking space on one side of an insulating seat body of the electrical connector, and the plurality of terminal slots are passed through to an accommodating space on the other side. An L-shaped clamping seat is movably installed in the accommodating space, and the plurality of terminal slots can be used for the insertion of a plurality of upper terminals and lower terminals of a terminal group. Each upper terminal and each lower terminal are respectively provided with an upper cantilever and a lower cantilever extending above the docking space, and then an upper welding foot and a lower welding foot are provided on the other side of each upper cantilever and each lower cantilever extending to the accommodating space, and an adapter circuit board is installed in the accommodating space, and a plurality of plug holes of the adapter circuit board are used for each upper welding foot and each lower welding foot to be inserted and welded for positioning, and then a plurality of metal contacts of the adapter circuit board are electrically connected to a plurality of terminal contacts on one side of the flexible cable, and a plurality of transmission terminals are provided on the other side of the flexible cable, so as to achieve the purpose of installing the flexible cable on the electrical connector.

Description

Electrical connector device for flexible cables

technical field

The utility model relates to an electrical connector device of a flexible cable, in particular to a device for quick assembly and electrical connection of a flexible cable and an electrical connector. The circuit board is electrically connected to the terminal group and the flexible cable respectively, so as to achieve the effect of signal transmission with the external circuit board.

Background technique

With the advancement of the technology era, various electronic and electrical products are flooding around our lives. In order to be convenient to use and not occupy too much space, many electronic and electrical products are all moving towards light, thin, short and small design models. The design is more beautiful, and it can also increase the application planning of indoor space, and it is deeply loved by consumers, making many electronic and electrical products presented in a small, thin and beautiful way.

In addition to the electronic and electrical products used indoors, there are also many portable electronic and electrical products, which can be conveniently carried by users. Whether it is indoor use or portable electronic and electrical products, in order to cope with the size reduction design, Most of them use flexible cables for signal transmission, and the flexible cables (Flexible Flat Cable, FFC) often used in electronic and electrical products are used for data cables for signal transmission. The advantages of flexure, bending and high signal transmission capability, and the internal conductor layer of the general flexible cable is composed of a number of tinned flat copper wires arranged in parallel in the horizontal direction, and its lateral width has a certain size specification, then The width of the electrical connector used for flexible cable connection is also relatively large, so it cannot be used in portable small-sized electronic and electrical products. There are many restrictions on the use of flexible cable and electrical connectors, such as Mobile phones, notebook computers, tablet computers, or personal digital assistants (PDAs), etc., are designed to be portable, small in size, and light in weight, and many related electronic components are also designed in a reduced size. How to design and reduce the size of flexible cables and electrical connectors for the application of portable electronic and electrical products is the direction that relevant manufacturers in this industry want to study and improve.

Contents of the invention

The purpose of this utility model is to solve the problem that the existing flexible cables and electrical connectors are inconvenient due to size specifications, resulting in the problem that the flexible cables and electrical connectors cannot meet the application of small electronic and electrical products, and provide a convenient assembly, which can An electrical connector device for flexible cables that can be mass-produced to reduce costs.

In order to achieve the above purpose, the utility model proposes an electrical connector device for a flexible cable, including an insulating base, a terminal group, a transfer circuit board and a flexible cable, wherein:

The inner side of the insulating seat is provided with a docking space with a plurality of terminal grooves, and the plurality of terminal grooves penetrate to the accommodation space provided on the other side of the insulating seat, and the accommodation spaces are respectively facing one side of the insulating seat. The vertical direction and the horizontal direction are hollowed out, so that a movable L-shaped clamping seat can be installed in the accommodating space;

The terminal group is installed in a plurality of terminal grooves inside the insulating base body, including a plurality of upper-layer terminals and a plurality of lower-layer terminals, and each upper-layer terminal is respectively provided with an upper cantilever extending above the docking space, and then from each upper cantilever to the other. One side extends to the accommodating space and is provided with an upper welding foot, and each lower layer terminal is respectively provided with a lower cantilever extending to the bottom of the docking space, and each lower cantilever extends to the other side to the accommodating space and is provided with a lower welding foot;

The switching circuit board is installed in the accommodation space of the insulating base body, and is provided with a plurality of insertion holes for piercing welding positioning of the upper welding feet and the lower welding feet of the terminal group, and a plurality of adjacent insertion holes One side of the hole is provided with a plurality of metal contacts; and the flexible cable is also installed in the accommodating space of the insulating base, and one side is provided with a plurality of metal contacts electrically connected to the adapter circuit board. The other side of the terminal contact is provided with a plurality of transmission terminals electrically connected to the external preset electrical connector.

Preferably, the accommodating space on one side of the insulating base body is provided with clamping blocks protruding from the two sides in the horizontal direction, and the clamping blocks on both sides of the accommodating space are respectively provided with two sides of the clamping seat. A card slot for card block embedding and card making.

Preferably, the accommodating space on one side of the insulating seat is respectively provided with fitting grooves above the two side walls in the horizontal direction, and relative to the fitting grooves on the two walls of the accommodating space, above the two sides of the fastening seat, respectively The protrusion is provided with an embedding block which is fastened in the fitting groove.

Preferably, the plurality of upper terminals of the terminal group are respectively provided with L-shaped upper buckle rods in the vertical direction at the joints of the upper cantilever and the upper welding legs.

Preferably, the plurality of lower terminals of the terminal group are respectively provided with L-shaped lower buckle rods in the vertical direction at the joints of the lower cantilever and the lower welding legs.

Preferably, the adapter circuit board is provided with a plurality of socket holes arranged at intervals up and down, and the adapter circuit board is also provided with a preset circuit board that is electrically connected to the socket holes and the metal contacts. circuit layout.

Compared with the prior art, the utility model has the beneficial effects of:

(1) The utility model utilizes a plurality of insertion holes of the adapter circuit board for the insertion and welding positioning of each upper welding pin and each lower welding pin, and then electrically connects to the flexible row through a plurality of metal contacts of the adapter circuit board. There are multiple terminal contacts on one side of the cable, and multiple transmission terminals on the other side of the flexible cable to achieve the purpose of installing the flexible cable on the electrical connector, which is convenient for signal transmission, and has the ability to reduce the flexible cable and The volume of the insulating seat is designed to meet the practical effect of the light, thin, short and small shape design of electronic and electrical products.

(2) The utility model utilizes the upper buckle rods of multiple upper-level terminals of the terminal group to be embedded into multiple lower buckle holes in the docking space, and the lower buckle rods of multiple lower-level terminals are respectively embedded into the docking A plurality of make-up holes in the space achieves the purpose of stably fixing the terminal group in the docking space in the insulating seat body.

Description of drawings

Fig. 1 is the perspective view of the utility model.

Fig. 2 is a three-dimensional exploded view of the utility model.

Fig. 3 is a three-dimensional exploded view of the utility model in another direction.

Fig. 4 is a side sectional view of the utility model.

Fig. 5 is a side sectional view of another position of the utility model.

Fig. 6 is a side sectional view of a preferred embodiment of the present invention.

Fig. 7 is another side sectional view of a preferred embodiment of the present invention.

Explanation of reference signs: 1-insulating seat body; 10-docking space; 101-terminal groove; 102-upper button hole; 103-lower button hole; 11-accommodating space; ;12-clamp seat; 121-card slot; 122-embedded block; 2-terminal group; 21-upper terminal; 211-upper cantilever; 212-upper welding foot; ;221-lower cantilever; 222-lower welding foot; 223-lower buckle rod; 3-transfer circuit board; 30-insert hole; 31-metal contact; 4-flexible cable; - transmission terminal; 5 - circuit board; 51 - metal socket.

Detailed ways

In order to achieve the above-mentioned purpose and effect, the technical means and the structure adopted by the utility model are hereby drawn to illustrate in detail the features and functions of the preferred embodiments of the utility model as follows, in order to fully understand.

Please refer to Fig. 1-shown in Fig. 5, be the three-dimensional exterior view of the present utility model, three-dimensional exploded view, the three-dimensional exploded view of another direction, side view sectional view, the side view sectional view of another position, shown in the figure It can be clearly seen that the electrical connector device of the flexible cable of the present invention includes an insulating base body 1, a terminal group 2, an adapter circuit board 3 and a flexible cable 4, wherein:

The inner side of the insulating seat body 1 is provided with a docking space 10, and a plurality of terminal slots 101 are provided in the docking space 10, and the plurality of terminal slots 101 are respectively extended upwards and downwards to be provided with relative upper button holes 102 and lower buttons. holes 103, and each terminal slot 101 respectively penetrates to the accommodating space 11 provided on the other side inside the insulating seat body 1, and the vertical and horizontal directions of the accommodating space 11 are outwardly hollowed out, and the accommodating space 11 Near the outer sides of the two side walls in the horizontal direction, there are respectively provided locking blocks 111 that are relatively inwardly protruding, and the inner wall surfaces of the locking blocks 111 on both sides of the horizontal direction of the accommodation space 11 are respectively concavely provided with fitting grooves. 112, and a clamping seat 12 is movable in the accommodating space 11, and the clamping seat 12 is L-shaped, and the two sides are respectively concavely provided with a clamping groove 121 and convexly provided with an embedding block 122, then the clamping seat 12 is installed in the accommodating space 11 of the insulating seat body 1, and the clamping block 111 on both sides of the accommodating space 11 can be clamped and limited by the clamping groove 121 on both sides of the clamping base 12, and then the clamping base 12 The snapping blocks 122 on both sides are respectively snapped into the fitting grooves 112 on the two side walls of the accommodating space 11 to assemble the fastening seat 12 in the accommodating space 11 .

The terminal group 2 includes a plurality of upper-layer terminals 21 and a plurality of lower-layer terminals 22, and a plurality of upper-layer terminals 21 are respectively extended to two sides with upper cantilevers 211 and upper welding feet 212, and on each upper cantilever 211 and upper welding feet 212 In the connection position, an L-shaped upper buckle bar 213 is extended in the vertical direction, and a plurality of lower terminals 22 are respectively extended to two sides with a lower cantilever 221 and a lower welding foot 222, for each lower cantilever 221 and the lower At the connection position of the welding leg 222 , an L-shaped lower buckle rod 223 extends vertically.

The switching circuit board 3 is provided with a plurality of insertion holes 30 arranged at intervals up and down, and a plurality of metal contacts 31 are arranged on one side of the plurality of insertion holes 30 .

One side of the flexible cable 4 is provided with a plurality of vertical terminal contacts 41 , and the other side is provided with a plurality of horizontally extending transmission terminals 42 .

When the above-mentioned components are assembled, the plurality of terminal grooves 101 in the docking space 10 and the accommodation space 11 of the insulating base body 1 are used for the plurality of upper-layer terminals 21 and the plurality of lower-layer terminals 22 of the terminal group 2 to pass through respectively. In each terminal groove 101, the upper buckle rods 213 of the plurality of upper-layer terminals 21 are respectively inserted into the lower buckle holes 103 of each terminal groove 101, and the lower buckle rods 223 of the plurality of lower-layer terminals 22 are used for Respectively embedded into the upper button hole 102 of each terminal groove 101, then the multiple upper layer terminals 21 and the multiple lower layer terminals 22 are firmly fixed in each terminal groove 101, and the transfer circuit board 3 is placed into the accommodating space 11 Inside, the multiple insertion holes 30 of the adapter circuit board 3 are respectively used for the upper soldering pins 212 of the multiple upper-layer terminals 21 of the terminal group 2 and the lower soldering pins 222 of the multiple lower-layer terminals 22, which are pierced through respectively. Set in each socket hole 30 and electrically connected after soldering, and then use the multiple metal contacts 31 of the adapter circuit board 3 to connect with the multiple terminal contacts 41 on the side of the flexible cable 4 after soldering It is electrically connected, so that the flexible cable 4 extends horizontally from the accommodating space 11 of the insulating base body 1, and then inserts the clamping seat 12 of the insulating base body 1 into the accommodating space 11 for reuse. The draw-in slots 121 on both sides of the clamping seat 12 are held by the clamping blocks 111 on both sides of the accommodating space 11, and the fitting grooves 112 on the two side walls of the accommodating space 10 are respectively used for the embedding of the two sides of the clamping seat 12. The buckle block 122 is buckled, and a plurality of terminal contacts 41 on one side of the terminal group 2, the transfer circuit board 3 and the flexible cable 4 are clamped and fixed in the accommodation space 11 by using the clamping seat 12, so as to pass through the insulating base body 1, The terminal group 2, the transfer circuit board 3 and the flexible cable 4 groups constitute the electrical connector device of the present invention.

Please refer to Fig. 2, Fig. 3, Fig. 6, and Fig. 7, which are the three-dimensional exploded view of the present utility model, the three-dimensional exploded view in another direction, the side sectional view of the preferred embodiment, and another preferred embodiment From the side view sectional view, it can be clearly seen from the figure that the insulating base body 1 of the electrical connector device can use the docking space 10 for an external preset circuit board 5 (which can be a flexible circuit board or a printed circuit board, etc. ) is inserted with the metal plug-in part 51, which can be used for the metal plug-in part 51 and the interior of the docking space 10, the upper cantilever 211 of the plurality of upper-layer terminals 21 of the terminal group 2, and the lower cantilever 221 of the plurality of lower-layer terminals 22, which are electrically If it is turned on, signals can be transmitted between the preset circuit board 5 and the terminal group 2 inside the insulating base 1 , the transfer circuit board 3 and the flexible cable 4 .

Therefore, the above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. A plurality of terminal grooves 101 in the space 11 can be used for a plurality of upper terminals 21 and a plurality of lower terminals 22 of the terminal group 2, and a plurality of upper soldering legs 212 and a plurality of lower soldering legs 222 of the terminal group 2 can respectively penetrate and extend into the accommodating space 11 and electrically connected to each insertion hole 30 of the transfer circuit board 3 , and through the plurality of metal contacts 31 of the transfer circuit board 3 to supply the plurality of terminal contacts 41 of the flexible cable 4 electrical connection, and clamp one side of the flexible cable 4 and the transfer circuit board 3 in the accommodating space 11 of the insulating base body 1 through the clamping seat 12, and then supply the pre-installation through the docking space 10 of the insulating base body 1. If the circuit board 5 is electrically plugged, the purpose of signal transmission between the flexible cable 4 and the preset circuit board 5 can be achieved, and the volume of the flexible cable 4 and the insulating base 1 can be reduced. , in order to meet the practical effect of light, thin, short and small design of electronic and electrical products, and provide insulation base 1 and terminal group 2, transfer circuit board 3 and flexible cable 4 for convenient and fast assembly operations, Therefore, all purposes, effects, etc. that can achieve the aforementioned effects, as well as related equipment and devices, should be covered by the present utility model. Such simple modifications and equivalent structural changes should be included in the protection scope of the present utility model in the same way. Inside.

Therefore, the utility model is mainly aimed at the design of the electrical connector of the flexible cable, using multiple terminal slots inside the insulating base body for the insertion of the terminal group, and then extending to the side of the insulating base body through the multiple welding feet of the terminal group. If the space is installed and it is welded on the transfer circuit board, then the transfer circuit board is soldered with a flexible cable, and the flexible cable is extended to the outside of the insulating seat body, so that the other side of the insulating seat body can be used to connect The multiple cantilevers of the extended terminal group in the space are used for the insertion of the preset circuit board for electrical conduction, so as to achieve the soldering of the flexible cable to the transfer circuit board and the soldering of the transfer circuit board to the terminal group, which can be assembled In the accommodating space of the insulating base body, the main protection point is to quickly complete the electrical connector device, and use the docking space of the insulating base body for the insertion of the preset circuit board, and then use the preset circuit board and the internal terminal group of the docking space to form a It is electrically conductive, and has the advantage of stable signal transmission between the preset circuit board and the flexible cable.

The above description of the utility model is illustrative rather than restrictive. Those skilled in the art understand that many modifications, changes or equivalents can be made to it within the spirit and scope of the claims, but they will all fall into the Into the scope of protection of the present utility model.

Claims (6)

1. the electric connector of a flexible cable comprises insulating base frame, terminal group, switching circuit board and flexible flat cable, it is characterized in that:

The inner side of this insulating base frame is provided with the docking space of a plurality of terminal grooves of tool, and a plurality of terminal grooves connect to the set accommodation space of the inner opposite side of insulating base frame, and accommodation space is the Openworks shape perforation towards vertical direction, the horizontal direction of insulating base frame one side respectively, is equiped with movable L-type jamming seat in the accommodation space to feed to;

This terminal group is arranged in the inner a plurality of terminal grooves of insulating base frame, comprise a plurality of upper stratas terminal and a plurality of lower floors terminal, and each upper strata terminal is respectively equipped with the upper cantilever that extends to docking space top, extending to accommodation space by each upper cantilever toward opposite side is provided with upper welding foot again, and each lower floor's terminal is respectively equipped with the lower cantalever that extends to below, docking space and extends to accommodation space by each lower cantalever toward opposite side and is provided with lower welding foot;

This switching circuit board is installed in the accommodation space of insulating base frame, be provided with a plurality of spliced eyes that are penetration type welding location for upper welding foot, the lower welding foot of terminal group, and adjacent a plurality of spliced eye one side is provided with a plurality of metallic contacts; And this flexible flat cable also is installed in the accommodation space of insulating base frame, and a side is provided with a plurality of terminal connections, the opposite side that a plurality of metallic contacts with switching circuit board are electric connection and is provided with a plurality of transmission terminals that are electric connection with the default electric connector in outside.

2. the electric connector of flexible cable as claimed in claim 1, it is characterized in that, the accommodation space of this insulating base frame one side, dual side-edge in horizontal direction convexes with respectively clamping block, and relative accommodation space two side clamping blocks, in the jamming seat dual side-edge be respectively equipped with for clamping block be embedded, the draw-in groove of blocking.

3. the electric connector of flexible cable as claimed in claim 1, it is characterized in that, the accommodation space of this insulating base frame one side, two side wall surfaces top in horizontal direction is respectively equipped with embeded slot, and the embeded slot of relative accommodation space two walls, in jamming seat two side faces top, convex with respectively the buckle piece that is fastened in the embeded slot.

4. the electric connector of flexible cable as claimed in claim 1 is characterized in that, a plurality of upper stratas terminal of this terminal group is provided with the upper buckle bar that is L-type respectively at the junction of upper cantilever, upper welding foot towards vertical direction.

5. the electric connector of flexible cable as claimed in claim 1 is characterized in that, a plurality of lower floors terminal of this terminal group is provided with the lower buckle bar that is L-type respectively at the junction of lower cantalever, lower welding foot towards vertical direction.

6. the electric connector of flexible cable as claimed in claim 1, it is characterized in that, this switching circuit board is provided with and a plurality ofly goes to upper and lower spaced spliced eye, and switching circuit board and be provided with the preinstalled circuit layout that is electric connection with a plurality of spliced eyes, a plurality of metallic contact.

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