CN202564691U - Push-back snap-fit flexible cable connector and flexible cable connected to it - Google Patents

Abstract

The utility model relates to a push-back buckling type flexible flat cable connector and a flexible flat cable connected with the connector, wherein the connector comprises an insulating body, two buckling pieces, two pushing pieces and a metal shell; the insulating body is provided with a slot, and two ends of the insulating body are respectively provided with a buckle sheet slot and a push piece slot; the two buckling pieces are elastic piece bodies respectively and are provided with buckling pieces respectively, protruding sections and positioning blocks are formed on the two buckling pieces respectively, and the two buckling pieces are arranged in the two buckling piece grooves and protrude into the inserting grooves through the positioning blocks; the two pushing and pressing pieces are arranged in the pushing piece groove in a sliding manner, the bottoms of the two pushing and pressing pieces are respectively provided with a pressing plate, the ends of the two pressing plates are respectively positioned in the two buckle piece grooves, and the bottom surfaces of the two pressing plates are respectively abutted against the two buckle pieces; therefore, the flexible flat cable can be mutually combined with the two slots for positioning or disassembling only by respectively processing a positioning hole at the two sides of the end part of the flexible flat cable, thereby effectively simplifying the connection structure and reducing the manufacturing cost and the assembling time.

Description

Push-back snap-fit flexible cable connector and flexible cable connected to it

technical field

The utility model relates to a flexible cable connector, in particular to a push-back snap-fit flexible cable connector which can provide the end of the flexible cable to be directly inserted and combined and a flexible cable connected to the connector. Wire.

Background technique

The flexible flat cable used in the prior art is flexible and can be used to connect various electronic devices, such as: FPC (Flexible Print Circuit), FFC (Flexible Flat Cable) and so on.

Corresponding connectors are usually used to achieve the connection between the existing flexible flat cable and the circuit board of the electronic device. Please refer to FIG. A slot 72 is formed on the side, and a plurality of terminals electrically connected to the circuit board 70 are arranged in the slot 72 , and two ends of the slot 72 are respectively provided with an engaging portion 73 .

One end of the flexible flat cable 80 is provided with a male connector 81, and the male connector 81 includes two fixing pieces 82 respectively arranged on one side of the flexible flat cable 80, and two ends of the two fixing pieces 82 are respectively provided with a locking portion. 83, the end of the male connector 81 is inserted into the slot 72 of the female connector 71, and the two clamping parts 83 are respectively inserted into the two clamping parts 73 and engaged with each other, so that the flexible flat cable 80 and the socket The terminals in the slots 72 are electrically connected to each other.

However, the above-mentioned flexible flat cable and circuit board need to manufacture and install matching male connectors and female connectors separately, which has many integral components, resulting in high manufacturing costs and long assembly time, which is not conducive to mass and rapid production. It needs to be improved.

Utility model content

In view of the fact that the flexible flat cable and the circuit board in the prior art need to be separately manufactured and installed with matching male connectors and female connectors, which have disadvantages such as high cost and long assembly time, which is not conducive to mass production, the utility model provides a flexible flat cable connection It only needs to be slightly processed at the end of the flexible cable to be used with the corresponding connector, so as to achieve the creative purpose of reducing cost and assembly time.

In order to achieve the above creation purpose, the technical means used in this utility model is to provide a push-back snap-fit flexible cable connector, which includes an insulating body, two snap-fit parts, two push parts and a metal shell;

The insulating body is provided with a slot, an opening is formed on one side of the slot, a plurality of terminals are spaced through the insulating body, and one end of each terminal is respectively located in the slot to form a conducting portion , the insulating body is respectively provided with a buckle groove and a push piece groove at each end thereof, the tops of the two buckle grooves communicate with the bottom groove surfaces at both ends of the slot respectively, and the bottom of each push piece groove penetrates to the corresponding adjacent to the top of the buckle slot;

The buckle has a buckle, the buckle is an elastic piece, and the free end of the buckle is provided with a positioning block protruding upward, the positioning block is formed with an inclined surface, and part of the buckle protrudes upward to form a The protruding section, the surface of the protruding section forms an inclined angle with respect to the base sheet, the two fastening parts are respectively arranged in the two buckle grooves, the buckle is located at the top of the buckle groove and protrudes from the positioning block to the In the slot, the inclined surface of the positioning block faces the opening of the slot;

The pusher includes a slider, one end of the slider is formed with a pusher, the bottom of one side of the slider is provided with a pressing plate, the sliders of the two pushers are slidably arranged in the grooves of the two pushers, The push block is located outside the push piece groove, the pressing plate is located in the buckle groove, and the bottom surface of the pressing plate is against the top surface of the buckle piece;

The two ends of the metal shell are respectively provided with a pressing piece, the two pressing pieces are elastic sheets, a long perforation is formed on the side wall of the metal shell, and a plurality of pressing pieces are formed on the edge of the hole on the side of the perforation. The pressing pieces are all elastic pieces, the metal shell is set outside the insulating body, the perforation and the opening of the slot overlap each other, and the two pressing pieces respectively push the sliders of the two pushing pieces towards On one side wall of the opening of the slot, the pressure pieces are located in the slot.

In the push-back snap-fit flexible cable connector, a plurality of pressing grooves are recessed at intervals on the top groove surface of the slot, and the pressing pieces are respectively located in the pressing grooves.

The push-back snap-fit flexible flat cable connector, wherein the top of the push piece groove penetrates through the top surface of the insulating body; the top surfaces of the sliders of the two push pieces are respectively provided with a buckle block, and the two buckle blocks protrude On the top surface of the insulating body; the two ends of the top surface of the metal shell are respectively provided with a button hole, and the two button holes are respectively a long hole, and the button blocks of the two push parts are respectively slidably located in the two button holes .

In the push-back snap-fit flexible cable connector, the two snap-fit parts are respectively a long piece with elasticity, and the middle section is bent to form two spaced pieces, and the buckle is the upper piece. The lower sheet body is a substrate, and the substrate is fixed on the bottom of the buckle slot.

In the push-back snap-fit flexible cable connector, a top groove is respectively provided at both ends of the side of the insulating body away from the opening of the slot, and the inner diameter of the top groove is larger than the inner diameter of the push piece groove. The top grooves communicate with the two adjacent push piece grooves respectively; the outer diameters of the push blocks of the two push pieces are larger than the outer diameters of the two sliders, and the two push blocks are opposite to the two top grooves.

In the push-back snap-fit flexible cable connector, two buckle holes are arranged at intervals on the top surface of the insulating body; combined in the two buckle holes.

A flexible flat cable connected to the push-back snap-fit flexible flat cable connector, one end of which has a plurality of contacts, and a positioning hole is respectively arranged on both sides of the end, and each pressing piece is pressed against the soft flat cable. On the top surface of the cable, the two positioning blocks of the two fastening parts are fastened to the positioning holes on both sides of the flexible cable, and the contacts and the conducting parts are in contact with each other.

Through the application of the above-mentioned technical means, compared with the prior art, male connectors and female connectors need to be respectively installed on the flexible flat cable and the circuit board, the utility model only needs to add There is a positioning hole, which can be combined with the flexible cable connector on the circuit board. The utility model simplifies the connection structure, reduces the number of components, effectively reduces the manufacturing cost and assembly time, and is convenient for manufacturers to quickly and quickly Production.

Description of drawings

Fig. 1 is a three-dimensional appearance view of the utility model.

Fig. 2 is an exploded view of components of the present utility model.

FIG. 3 is an exploded view of another component of the present invention.

Fig. 4 is a schematic perspective view of some components of the present invention.

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

Fig. 6 is another schematic sectional side view of the utility model.

Fig. 7 is a schematic diagram of the appearance of the utility model when the flexible cable is inserted.

Fig. 8 is a cross-sectional schematic view of the utility model when the flexible flat cable is inserted.

Fig. 9 is a schematic cross-sectional view of the utility model after the flexible flat cable is inserted.

Fig. 10 is a schematic diagram of the sectional action of the utility model when the flexible flat cable is pulled out.

Fig. 11 is another cross-sectional action schematic diagram of the utility model when the flexible flat cable is pulled out.

Fig. 12 is a schematic diagram of the appearance of the prior art.

Explanation of reference numbers:

10 insulating body 100 first side 101 second side

11 Slots 110 Pressing Slots 12 Terminals

120 conduction part 13 buckle groove 14 push piece groove

15 top slot 16 back wall 17 buckle hole

20 fastening parts 21 base piece 22 buckle piece

220 positioning block 221 protruding section 30 pushing piece

31 slider 32 push block 33 pressure plate

34 buckle block 40 metal shell 41 pressing piece

42 perforations 43 tabs 44 buttonholes

45 buckle piece 50 circuit board 60 flexible cable

61 positioning hole 70 circuit board 71 female connector

72 slots 73 engaging part 80 flexible cable

81 male connector 82 fixed piece 83 clamping part

Detailed ways

Below, in conjunction with the accompanying drawings and preferred embodiments of the utility model, the technical means adopted by the utility model to achieve the intended purpose of the utility model will be further elaborated.

The utility model is a push-back snap-fit flexible cable connector, as shown in FIGS.

The insulating body 10 is a long rectangular body made of plastic material, which has a first side 100, a second side 101, a top surface, a bottom surface and two end surfaces, the first side 100 is provided with a slot 11 , the slot 11 is a long slot and extends along the long axis direction of the insulating body 10, the slot 11 is formed with an opening on the first side 100 of the insulating body 10, and the top slot surface of the slot 11 is spaced apart from A plurality of pressing grooves 110 are recessed, and a plurality of terminals 12 are spaced through the insulating body 10, and one end of each terminal 12 protrudes from the bottom surface of the slot 11 to form a conducting portion 120 respectively. .

The two ends of the first side 100 of the insulating body 10 are respectively provided with a buckle groove 13, and the two buckle grooves 13 are respectively located outside the two ends of the slot 11, and the tops of the two buckle grooves 13 are respectively connected to the slot. 11 The bottom groove surfaces at both ends are connected.

The two ends of the insulating body 10 are respectively provided with a pusher slot 14, the two pusher slots 14 are respectively located at the outer sides of the two buckle slots 13, and the bottoms of the two pusher slots 14 are respectively transversely connected to the adjacent The top of the buckle groove 13, the two ends and the top of the two push piece grooves 14 respectively penetrate to the first side 100, the second side 101 and the top surface of the insulating body 10, the second side 101 of the insulating body 10 Two top grooves 15 are respectively provided at the two ends, the inner diameters of the two top grooves 15 are larger than the inner diameters of the two pusher grooves 14, and the two top grooves 15 communicate with the adjacent two pusher grooves 14 respectively.

In a specific embodiment of the present invention, a resisting wall 16 protrudes from the top surface of the insulating body 10 , and two buckle holes 17 are arranged at intervals below the resisting wall 16 .

The two fastening pieces 20 are elastic long pieces respectively, and the middle section is bent to form two spaced pieces, and the lower piece is a base piece 21, and the base piece 21 is straight. The upper body of 20 is a buckle 22, the end of the free end of the buckle 22 protrudes upwards with a positioning block 220, the positioning block 220 forms an inclined surface, and the middle section of the buckle 22 to the end faces upwards A protruding section 221 is protruded, and the surface of the protruding section 221 forms an inclination angle relative to the base piece 21; the two fastening parts 20 are respectively arranged in the two buckle grooves 13, and are buckled by the base piece 21 The buckle 22 is located at the top of the buckle slot 13 , the positioning block 220 protrudes into the slot 11 , and the inclined surface of the positioning block 220 faces the opening of the slot 11 .

The two pushing parts 30 respectively include a slider 31, the slider 31 is a long rectangular cylinder, and one end of the slider 31 protrudes toward both sides to form a pusher 32, and the bottom of one side of the slider 31 protrudes laterally and is provided with a pressing plate 33 , the top surface of the slider 31 is provided with a buckle 34; the sliders 31 of the two push pieces 30 are slidably arranged in the two push piece grooves 14 of the insulating body 10, and the push piece 32 is located in the push piece On the outside of the groove 14 and opposite to the top groove 15, the end of the pressing plate 33 protrudes into the buckle groove 13, as shown in FIG. 4, the bottom surface of the pressing plate 33 is against the top of the buckle 22 noodle.

Please refer to Figures 1 to 3, the metal shell 40 is a hollow shell with an opening formed on one side, and two pressing pieces 41 are provided on the side opposite to the opening, and the two pressing pieces 41 are located on the At both ends of the top surface of the metal shell 40, the two pressing members 41 are elastic sheets bent toward the opening direction, and a long perforation 42 is formed on the side wall of the metal shell 40 opposite to the opening. A plurality of pressing pieces 43 are formed on the edge of the upper hole of the perforation 42 towards the opening direction. The holes 44 are respectively long holes. In a specific embodiment of the present invention, two buckle pieces 45 are arranged on the top surface of the metal shell 40, and the shape and position of the two buckle pieces 45 correspond to those of the insulating body 10 Two buckle holes 17.

The metal shell 40 is sheathed and covered on the insulating body 10, and the two buckle pieces 45 are respectively pierced and fixed in the two buckle holes 17. Please refer to FIG. 2, FIG. 3 and FIG. 42 coincides with the opening of the slot 11, and the two pressing pieces 41 respectively protrude from the first side 100 of the insulating body 10 into the two pushing piece grooves 14, and the two pressing pieces 41 push against the two pushing pieces respectively. The sliders 31 of the two pushing parts 30 face the side wall of the opening of the slot 11, and the buckles 34 of the two pushing parts 30 are respectively slidably located in the two button holes 44. Please refer to FIG. As shown, each pressing piece 43 is respectively located in each pressing piece groove 110 and each pressing piece 43 is opposite to the slot 11 .

Please refer to FIG. 7 , the utility model is installed on a circuit board 50 of an electronic device in actual use, and the terminals 12 of the insulating body 10 are connected to the circuit board at the end far away from the conduction portion 120 . The circuits of 50 are electrically connected to each other.

Please refer to FIG. 7 , there is a flexible flat cable 60 used in conjunction with the connector, one end of which has a plurality of contacts, and a positioning hole 61 is respectively provided on both sides of the end, and the positioning hole 61 matches the position of the positioning block 220 The shape is designed to be concave, and the end of the flexible flat cable 60 is inserted into the slot 11 of the insulating body 10. Please refer to FIG. 4, FIG. 8 and FIG. 9, one end of the flexible flat cable 60 moves against The inclined surface of the positioning block 220 of the two fastening parts 20, the flexible flat cable 60 pushes the positioning block 220 downward with the bottom surface of the end, so that the positioning block 220 and the buckle piece 22 move downward, and at the same time make the positioning block 220 move downward. The buckle 22 accumulates elastic force, and there is a space between the top of the positioning block 220 and the top groove surface of the slot 11 for the insertion of the flexible flat cable 60. When the flexible flat cable 60 is inserted into the slot 11 and positioned , the two positioning blocks 220 are relative to the two positioning holes 61 of the flexible flat cable 60, and the two buckle pieces 22 are moved upward and reset by the elastic restoring force, so that the two positioning blocks 220 are buckled in the two positioning holes 61 respectively. , so that the flexible flat cable 60 and the connector are combined and fixed, please refer to FIG. Each pressing piece 43 is pressed against the top surface of the flexible flat cable 60, so that its contact is in contact with the conduction part 120. The metal shell 40 covers the end of the flexible flat cable 60, so it can be used by the flexible flat cable 60 The shielding effect of the metal shell 40 isolates the interference of external electromagnetic waves, so that the electronic signal can be stably transmitted between the flexible flat cable 60 and the circuit board 50 .

Please refer to Fig. 9 and Fig. 10, when you want to take out the flexible flat cable 60 from the slot 11 of the connector, push the push blocks 32 of the two push parts 30 towards the direction of the top groove 15, please As shown in FIG. 5 and FIG. 11 , slide the slider 31 and the pressure plate 33 toward the opening of the slot 11 , push the slider 31 against the pressing member 41 and make the pressing member 41 accumulate elastic force. Please refer to Fig. 4, Fig. 9 and Fig. 10, the bottom surface of the pressing plate 33 moves downward and pushes the top surface of the protruding section 221 of the buckle 22, so that the buckle 22 and the positioning block 220 are displaced downward, so that the The buckle 22 accumulates elastic force, and the two positioning blocks 220 move away from the two positioning holes 61 of the flexible flat cable 60 , so that the end of the flexible flat cable 60 can be taken out from the slot 11 , and passed through the pressing member 41 The elastic restoring force pushes the pushing member 30 to reset, and then the elastic restoring force of the two buckles 22 moves upward to reset.

The above descriptions are only preferred embodiments of the present utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Anyone in the field Skilled persons, within the scope of the technical solution of the utility model, should be able to use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes. The technical essence of the utility model makes any simple modifications, equivalent changes and modifications to the above embodiments, all still belong to the scope of the technical solution of the utility model.

Claims (9)

1. A push-back snap-fit flexible cable connector, characterized in that it includes an insulating body, two snap-fit parts, two push parts and a metal shell; The insulating body is provided with a slot, an opening is formed on one side of the slot, a plurality of terminals are spaced through the insulating body, and one end of each terminal is respectively located in the slot to form a conducting portion , the insulating body is respectively provided with a buckle groove and a push piece groove at each end thereof, the tops of the two buckle grooves communicate with the bottom groove surfaces at both ends of the slot respectively, and the bottom of each push piece groove penetrates to the corresponding adjacent to the top of the buckle slot; The buckle has a buckle, the buckle is an elastic piece, and the free end of the buckle is provided with a positioning block protruding upward, the positioning block is formed with an inclined surface, and part of the buckle protrudes upward to form a The protruding section, the surface of the protruding section forms an inclined angle with respect to the base sheet, the two fastening parts are respectively arranged in the two buckle grooves, the buckle is located at the top of the buckle groove and protrudes from the positioning block to the In the slot, the inclined surface of the positioning block faces the opening of the slot; The pusher includes a slider, one end of the slider is formed with a pusher, the bottom of one side of the slider is provided with a pressing plate, the sliders of the two pushers are slidably arranged in the grooves of the two pushers, The push block is located outside the push piece groove, the pressing plate is located in the buckle groove, and the bottom surface of the pressing plate is against the top surface of the buckle piece; The two ends of the metal shell are respectively provided with a pressing piece, the two pressing pieces are elastic sheets, a long perforation is formed on the side wall of the metal shell, and a plurality of pressing pieces are formed on the edge of the hole on one side of the perforation. The pressing pieces are all elastic pieces, the metal shell is set outside the insulating body, the perforation and the opening of the slot overlap each other, and the two pressing pieces respectively push the sliders of the two pushing pieces towards On one side wall of the opening of the slot, the pressure pieces are located in the slot. 2. The push-back snap-fit flexible cable connector according to claim 1, characterized in that, the top groove surface of the slot is recessed with a plurality of pressing grooves at intervals, and the pressing pieces are respectively located on the pressing pieces. in the slot. 3. The push-back snap-fit flexible cable connector according to claim 1, wherein the top of the push piece groove penetrates through the top surface of the insulating body; The top surfaces of the sliders of the two pushing parts are respectively provided with a buckle block, and the two buckle blocks protrude from the top surface of the insulating body; Both ends of the top surface of the metal shell are respectively provided with a button hole, and the two button holes are respectively a long hole, and the button blocks of the two pushing parts are respectively slidably located in the two button holes. 4. The push-back snap-fit flexible cable connector according to claim 2, wherein the top of the push piece groove penetrates through the top surface of the insulating body; The top surfaces of the sliders of the two pushing parts are respectively provided with a buckle block, and the two buckle blocks protrude from the top surface of the insulating body; Both ends of the top surface of the metal shell are respectively provided with a button hole, and the two button holes are respectively a long hole, and the button blocks of the two pushing parts are respectively slidably located in the two button holes. 5. The push-back snap-fit flexible cable connector according to claim 3, wherein the two snap-fit parts are respectively a long piece with elasticity, and the middle section is bent to form two spaced pieces, The buckle is an upper piece, and the lower piece is a base piece, and the base piece is fixed at the bottom of the buckle groove. 6. The push-back snap-fit flexible cable connector according to claim 4, wherein the two snap-fit parts are respectively a long piece with elasticity, and the middle section is bent to form two spaced pieces, The buckle is an upper piece, and the lower piece is a base piece, and the base piece is fixed at the bottom of the buckle groove. 7. The push-back snap-fit flexible cable connector according to any one of claims 1 to 6, wherein a top groove is respectively provided at both ends of a side of the insulating body away from the opening of the slot, The inner diameter of the top groove is larger than the inner diameter of the pusher groove, and the two top grooves are respectively connected with the two adjacent pusher grooves; The outer diameters of the pushing blocks of the two pushing parts are larger than the outer diameters of the two sliding blocks, and the two pushing blocks are opposite to the two top grooves. 8. The push-back snap-fit flexible cable connector according to claim 7, wherein two snap holes are arranged at intervals on the top surface of the insulating body; The top surface of the metal shell is provided with two buckle pieces at intervals, and the two buckle pieces are respectively pierced and combined in the two buckle holes. 9. A flexible flat cable connected to the push-back snap-fit flexible flat cable connector according to any one of claims 1 to 8, characterized in that one end has a plurality of contacts, and the two sides of the end are respectively There is a positioning hole, the pressing pieces are pressed against the top surface of the flexible flat cable, the two positioning blocks of the two fastening parts are buckled in the positioning holes on both sides of the flexible flat cable, the contacts and the guides The parts are in contact with each other.

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