CN2699504Y - Electrical connectors for flexible circuit interfaces - Google Patents

Abstract

An electric connector of flexible circuit interface includes a base, two sides of which are respectively provided with a sleeving connection part, a plurality of separating sheets are arranged in the base to form a plurality of terminal grooves and a connecting groove, the front end of the connecting groove is provided with an insertion port for inserting a flexible circuit interface, and the center of the terminal groove is provided with a projection; the plurality of terminals are arranged in the terminal groove, each terminal comprises a base part and at least one elastic arm, the front end of the elastic arm is provided with a contact point protruding out of the separation sheet, and a first convex part protruding towards the center of the connection groove is further arranged on the elastic arm; and a pin part which is connected with the rear end of the base part and extends out of the terminal groove; and two fixing elements, which are sleeved on the sleeving parts at the two sides of the seat body and fixed on a circuit board, so that the seat body can slide in the stroke specified by the fixing elements. The utility model can make the flexible circuit interface easy to insert into the seat body and then to be tightly positioned, the manufacture is simple, and the production cost can be reduced.

Description

Electrical connectors for flexible circuit interfaces

technical field

The utility model relates to an electric connector, in particular to an electric connector with a flexible circuit interface.

Background technique

Please refer to Fig. 1 and Fig. 2, it is an electric connector of a kind of conventional flexible circuit interface, and it includes a base body 10, a plurality of terminals 15, a pressing element 20; Wherein the base body 10 is divided by The sheet 11 is divided into a plurality of terminal slots 12 and a connecting slot 13; the terminal 15 is provided with a pin portion 16, two side arms 17, and an elastic arm 18, the pin portion 16 protrudes from the base body 10, the The arms 17 on both sides are pressed against the terminal groove 12, and the elastic arm 18 is provided with a contact point 19 protruding to the connecting groove 13; Tightening piece 21 , the tightening piece 21 can be plugged into the connection groove 13 of the seat body 10 .

Please refer to Fig. 3, the conventional electrical connector of the flexible circuit interface pulls out the pressing element 20 and lifts up when in use, so that the flexible circuit interface 25 (such as a flexible circuit board or a flexible row) line) into the connection groove 13, as shown in Figure 4, when the pressing piece 21 of the pressing element 20 is inserted into the connection groove 13, the contact 19 between the flexible circuit interface 25 and the terminal 15 can be tightened. connect.

The above-mentioned known design has the following disadvantages: the flexible circuit interface 25 is electrically connected by the pressing element 20, so both sides of the seat body 10 must be clamped to the pressing element 20, but the flexible circuit interface The size of the electrical connector is very small. When the number of terminals is small or the pitch is smaller, the base body 10 will be smaller. In this way, two very small components (the base body 10 and the pressing component 20) should be designed to engage and slide with each other and make the It is very difficult for the pressing piece 21 to be plugged into the connection groove 13 of the seat body 10, and the precision is very high, because the assembled products will have cumulative tolerances, and the assembly of two very small objects requires high precision , otherwise poor assembly due to the cumulative tolerance of the two.

The conventional design also has a kind of clamshell design, the pressing element adopts the flipping method to achieve tightening or loosening the flexible circuit interface, so it is also a pivotal combination of the seat body and the pressing element. Therefore also have above-mentioned shortcoming.

Utility model content

The purpose of this utility model is to provide an electrical connector with a flexible circuit interface, which can make the flexible circuit interface easy to be inserted into the seat and then tightened to position. slide, but the terminal is still resilient against the terminal groove.

In order to achieve the above purpose, the utility model provides a flexible circuit interface electrical connector, which is characterized in that it includes:

The seat body has a set of joints on both sides, and a plurality of spacers arranged at equal intervals are arranged in the body of the seat. The plurality of spacers separates a plurality of terminal grooves and a connection groove. The front end of the connection groove is provided with an insertion port , the terminal groove is provided with upper and lower walls and a protrusion is provided in the center;

Most of the terminals are located in the terminal groove of the base, and each terminal includes: a base, which abuts against the upper and lower walls of the terminal groove; at least one elastic arm, which is connected to the base The front end extends toward the insertion port, and the elastic arm is provided with a contact point protruding from the separator to form an electrical connection with an inserted flexible circuit interface. and a leg portion connected to the rear end of the base portion and protruding out of the terminal groove; and

The second fixing element is a socket part fitted on both sides of the base body, the fixing element is fixed on a circuit board, and the base body and the fixing element form a sliding fit.

When the seat body slides toward the insertion opening so that its projection presses against the first protrusion of the elastic arm of the terminal, the elastic arm of the terminal is in an open state, so that its contact point no longer presses the flexible circuit interface .

The electrical connector of the flexible circuit interface is characterized in that the terminal is provided with two elastic arms.

The electrical connector of the flexible circuit interface is characterized in that: the rear of the first protrusion of the elastic arm of the terminal is provided with a second protrusion so as to abut against the protrusion of the terminal groove, and the first protrusion is smaller than the first protrusion. The second convex part is a protrusion.

The electrical connector of the flexible circuit interface is characterized in that: the front end of the protrusion of the terminal groove is provided with an introduction slope, and the introduction slope locks the protrusion of the terminal groove.

The electrical connector of the flexible circuit interface is characterized in that: the rear end of the first protrusion of the elastic arm of the terminal is provided with an introduction slope, and the front end of the protrusion of the terminal groove is provided with an introduction slope and the elasticity of the terminal. The lead-in ramp at the rear end of the first protrusion of the arm engages.

The first protruding portion of the other elastic arm of the plurality of terminals can be disposed at various positions.

The electrical connector of the flexible circuit interface is characterized in that: the upper ends of the pins of the plurality of types of terminals are respectively provided with a mark of a different position.

The electrical connector of the flexible circuit interface is characterized in that: the base of the terminal is provided with a long groove, so that the base forms a spring that can bounce up and down, so that after the terminal and the base are assembled, the spring can be bounced up and down. Elasticity against the wall of the terminal groove.

The electrical connector of the flexible circuit interface is characterized in that: the center of the base of the terminal is provided with a shrapnel protruding laterally, and the shrapnel can spring sideways, so that after the terminal and the base are assembled, the side of the shrapnel can be Elasticity to spring and elastically abut against the side wall of the terminal slot.

The electrical connector of the flexible circuit interface is characterized in that: a rough surface is provided outside one end of the sleeve part on both sides of the seat body, and the rough surface is exposed outside the fixing element.

With the above structure, the elastic arms of the plurality of terminals can be opened and rebounded by the sliding of the seat body, so that the interface with the flexible circuit can be tightened and relaxed.

The above and other purposes, advantages and characteristics of the present utility model can be more clearly understood from the detailed description of the following preferred embodiments and with reference to the drawings, wherein:

Description of drawings

FIG. 1 is a perspective view of a conventional electrical connector of a flexible circuit interface.

FIG. 2 is a cross-sectional view of a conventional electrical connector of a flexible circuit interface.

FIG. 3 is a diagram of a first use state of a conventional electrical connector of a flexible circuit interface.

FIG. 4 is a diagram of a second use state of the conventional electrical connector of the flexible circuit interface.

Fig. 5 is a three-dimensional exploded view of the first embodiment of the utility model.

Fig. 6 is a three-dimensional combined view of the first embodiment of the utility model.

Fig. 7 is an exploded side view of the first embodiment of the utility model (seat body and terminals).

Fig. 8 is a side sectional combined view (seat and terminal) of the first embodiment of the present invention.

Fig. 9 is a diagram of the usage state of the first embodiment of the present utility model.

Fig. 10 is a diagram of the use state of the first embodiment of the present utility model.

Fig. 11 is a diagram of the use state of the first embodiment of the present utility model.

Fig. 12 is a side sectional combined view (seat body and terminals) of the second embodiment of the present invention.

Fig. 13 is a side sectional combined view of the third embodiment of the present invention (seat body and terminals).

Fig. 14 is a side sectional combined view (seat body and terminals) of the fourth embodiment of the present invention.

Fig. 15 is a perspective view of the terminals of the fourth embodiment of the present invention.

Fig. 16 is a cross-sectional perspective view of the fifth embodiment of the present utility model.

Fig. 17 is a side sectional combined view (seat body and terminals) of the fifth embodiment of the present invention.

Detailed ways

Please refer to Fig. 5, Fig. 6, Fig. 7, and Fig. 8, the electrical connector of the flexible circuit interface of the present invention includes a seat body 30, a plurality of terminals 50, and two fixing elements 60, wherein:

The seat body 30 is made of plastic material, and a plurality of spacers 31 arranged at equal intervals are arranged inside it, and a plurality of terminal grooves 32 and a connection groove 33 are formed by means of the plurality of spacers. The front end of the connection groove 33 is provided with an insertion port 34 for a A flexible circuit interface (such as a flexible circuit board or a flexible cable) is inserted. The terminal groove 32 is provided with upper and lower walls 35, 36 and a protrusion 37 is provided in the center. The front end of the protrusion 37 has an introduction slope 38 ; The other seat body both sides are respectively provided with socket joint 42, and this sleeve joint 42 is provided with a platform 43, and the center of this platform 43 is provided with a block 44, and the outside of block 44 is provided with the guide surface 45 that is inclined, in order to facilitate The fixing element 60 is easy to insert, and a rough surface 47 protrudes from one end of the sleeve portion 42 .

Most terminals 50 are located in the terminal groove 32 of the base body 30, and each terminal 50 is provided with: a base 51, which abuts against the upper and lower walls 35, 36 of the terminal groove 32; two elastic arms 52, It is connected to the front end of the base 51 and extends toward the insertion port 34, and its near front end is provided with a contact point 53 protruding from the separator 31 so as to be electrically connected with an inserted flexible circuit interface. There is also a first protruding portion 54 and a second protruding portion 55 protruding toward the center of the connecting groove, the first protruding portion 54 is located in front of the second protruding portion 55 and is relatively protruding; and a pin portion 58, which is It is connected to the rear end of the base portion 51 and extends out of the terminal groove 32 .

The two fixing elements 60 are socketed parts 42 arranged on both sides of the seat body. The rough surface 47 outside one end of the socketing part 42 is exposed outside the fixing element 60. The fixing element 60 is fixed on a circuit board. The seat body 30 can slide within the range engaged by the fixing element 60, and the rough surface 47 can be easily grasped by fingers to move the seat body 30. Top plate 61 and bottom plate 62, the center of this top plate 61 is provided with an opening 63 longer than this clamping block 44, after it fits with the sleeve portion 42 of seat body, this opening 63 engages with clamping block 44, and makes The locking block 44 can slide in the opening 63 .

Then explain the action of inserting the flexible circuit interface. Please refer to FIG. 9. In use, the pin portions 58 of the terminals are welded on a circuit board 70, and the two fixing elements 60 also need to be welded to fix the circuit board. When the seat body 30 slides toward the insertion opening 34 so that the protrusion 37 presses against the first protrusion 54 of the elastic arm 52 of the terminal 50, the elastic arm 52 of the terminal 50 is in an open state, and the contact point 53 is retracted. In the separator 31; please refer to Fig. 10, a flexible circuit interface 72 can be easily inserted at this moment, and the contact points 53 of the two elastic arms 52 have not yet pressed the flexible circuit interface 72; please refer to Fig. 11, then insert the seat When the body 30 is pushed back to its original position, when the protrusion 37 leaves the first protrusion 54 of the elastic arm 52 pressing the terminal 50, the elastic arm 52 of the terminal rebounds to make its contact point 53 press against the flexible circuit interface. 72, so as to fix the flexible circuit interface 72 and ensure electrical connection.

As shown in FIG. 11 , when the flexible circuit interface 72 is to be taken out, as shown in FIG. 10 , slide the base 30 toward the insertion port 34 so that the protrusion 37 presses against the elasticity of the terminal 50. When the first protrusion 54 of the arm 52 is opened, the elastic arm 52 of the terminal is in an open state, so that its contact point 53 no longer presses the flexible circuit interface 72, and the flexible circuit interface 72 can be easily taken out at this moment.

From the above description, the utility model can summarize the following advantages:

1. The seat body 30 of the present invention is a single plastic body, and does not need to be a pivotal assembly of two components as in the prior art, so the manufacture of the present invention is very simple.

2. Although the terminal 50 and the seat body 30 of the present utility model can slide mutually, the elastic arm of the terminal 50 is provided with the second convex portion 55 which is locked on the introduction slope 38 of the protruding block 37 of the terminal groove, so the terminal 50 is assembled on the Behind the base body 30, it can still be pressed against the terminal groove 32, and there is no need to locate each terminal 50 by other objects when it is not welded on the circuit board.

3. The sleeve portion 42 of the base body 30 is sleeved and engaged with the fixing element 60 , so that the base body 30 will not be pulled out excessively and separated from the terminal 50 .

Please refer to Fig. 12, which is the second embodiment of the present utility model, which is basically the same as the first embodiment, the difference is that the first protrusion 54 of one of the elastic arms 52 of the terminal 50 is designed to have a certain length convex surface, and its rear end is provided with an introduction slope 56, the front end of the projection 37 of the terminal groove is provided with an introduction slope 38 and the introduction slope 56 of the rear end of the first convex part 54 of the elastic arm 52 of the terminal 50 is clamped, and The first protrusion 54' of the other elastic arm 52' is designed as a raised point, so that when the protrusion 37 of the terminal groove pushes away the arm 52 of the terminal 50, it first presses against the protrusion 54 of the convex surface and then Push away the elastic arm 52, and then press against the first protruding portion 54' to push away the elastic arm 52', so that when the seat body 30 is pushed to push away the elastic arm of the terminal, it can be dispersed in two stages In addition, the base 51 of the terminal 50 is provided with a long groove 511 close to the upper end, so that the upper end of the base forms an elastic piece 512 that can bounce up and down, so that the terminal 50 and the base 30 are assembled. The elastic piece 512 can elastically abut against the upper wall surface 35 of the terminal groove 32 due to the elasticity of the elastic piece 512 bouncing up and down.

Please refer to FIG. 13 , which is the third embodiment of the present utility model, which is basically the same as the second embodiment, the difference is that the center of the base 51 of the terminal 50 is provided with a laterally protruding elastic piece 513, and the elastic piece 513 can be Laterally elastic, such that after the terminal 50 is assembled with the base body 30 , the elastic piece 513 can be elastically pressed against the side wall of the terminal groove 32 by the elasticity of the lateral elastic.

Please refer to Fig. 14 and Fig. 15, it is the fourth embodiment of the present utility model, and it is basically the same as the second embodiment, the difference is that the elastic arm 52 of the terminal 50 forms a knuckle 57 with the base 51, so that the terminal 50 Assembling in the terminal groove 32 can have a little pressing effect.

Please refer to Fig. 16 and Fig. 17, it is the fifth embodiment of the present utility model, which is basically the same as the second embodiment, the difference is that the protruding block 37 of the terminal groove is designed to be longer than the second embodiment, and each The first protrusions of the elastic arm 52' of the terminal 50 are designed as four first protrusions 54a, 54b, 54c, 54d protruding from different positions, respectively having the four types of first protrusions 54a, 54b, 54c, 54d. The number of terminals is equivalent, so when pushing the base body 30 to push away the elastic arm of the terminal, the protrusion 37 first pushes away the elastic arm 52, and then pushes away the other elastic arm 52' of all the terminals in four sections, so that the force is applied Compared with the second embodiment, it is more dispersed, and the operation is more labor-saving and easy to operate. In addition, in order to check whether the number of terminals with the four kinds of first protrusions 54a, 54b, 54c, and 54d are evenly matched on the appearance of the electrical connector, the upper ends of the pins 58 of each of the four kinds of terminals are respectively provided with a different pin. The mark 59 of position, this mark is convex arc shape or concave arc shape.

The specific embodiments mentioned in the detailed description of the above preferred embodiments are only to illustrate the technical contents of the present utility model, and do not limit the present utility model to the embodiments in a narrow sense.

Claims (10)

1. A flexible circuit interface electrical connector, characterized in that: comprising: The seat body has a set of joints on both sides, and a plurality of spacers arranged at equal intervals are arranged in the body of the seat. The plurality of spacers separates a plurality of terminal grooves and a connection groove. The front end of the connection groove is provided with an insertion port , the terminal groove is provided with upper and lower walls and a protrusion is provided in the center; Most of the terminals are located in the terminal groove of the base, and each terminal includes: a base, which abuts against the upper and lower walls of the terminal groove; at least one elastic arm, which is connected to the base The front end extends toward the insertion port, and the elastic arm is provided with a contact point protruding from the separator to form an electrical connection with an inserted flexible circuit interface. and a leg portion connected to the rear end of the base portion and protruding out of the terminal groove; and The second fixing element is a socket part fitted on both sides of the base body, the fixing element is fixed on a circuit board, and the base body and the fixing element form a sliding fit. 2. The electrical connector with flexible circuit interface as claimed in claim 1, wherein the terminal is provided with two elastic arms. 3. The electrical connector with flexible circuit interface as claimed in claim 1 or 2, wherein a second protrusion is provided behind the first protrusion of the elastic arm of the terminal to abut against the protrusion of the terminal groove. block, the first convex portion is more protruding than the second convex portion. 4 . The electrical connector with a flexible circuit interface as claimed in claim 3 , wherein the front end of the protruding block of the terminal groove is provided with an introduction slope, and the introduction slope locks the second protrusion. 5 . 5. The electrical connector with flexible circuit interface as claimed in claim 1, characterized in that: the first convex portion of an elastic arm of the terminal is a convex surface with a certain length, and its rear end is provided with an introduction slope, the The front end of the protruding block of the terminal groove is also provided with an introduction slope to engage with the introduction slope at the rear end of the first protrusion of the elastic arm of the terminal. 6 . The electrical connector with flexible circuit interface as claimed in claim 5 , wherein the first protrusions of the other elastic arm of the plurality of terminals are arranged in multiple different positions. 6 . 7. The electrical connector with flexible circuit interface as claimed in claim 6, characterized in that: the upper ends of the pins of the plurality of types of terminals are respectively provided with marks at different positions. 8 . The electrical connector with flexible circuit interface as claimed in claim 1 , wherein a long groove is formed at the base of the terminal, and the terminal is elastically pressed against the wall of the terminal groove. 9 . The electrical connector with a flexible circuit interface as claimed in claim 1 , wherein a spring protruding from the center of the base of the terminal is provided, and the spring is elastically pressed against the sidewall of the terminal slot. 10 . 10 . The electrical connector with a flexible circuit interface as claimed in claim 1 , wherein a rough surface is provided outside one end of the socket portion on both sides of the seat body, and the rough surface is exposed outside the fixing element. 11 .

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