CN201210538Y - electrical connector - Google Patents

Abstract

The utility model discloses an electric connector for connect flexible circuit board, it includes an insulator, a plurality of connecting terminal, a stiffening plate and a sliding closure. The insulation body is provided with an accommodating groove and a plurality of terminal grooves; the plurality of connecting terminals are respectively accommodated in a terminal groove; the reinforcing plate is accommodated in the accommodating groove and is used for being fixed with the flexible circuit board; the sliding cover can be arranged on the containing groove of the insulating body in a sliding mode along the direction parallel to the reinforcing plate and abuts against the reinforcing plate. The electric connector of the utility model has simple structure and easy height reduction; and the connection with the flexible circuit board is more reliable.

Description

electrical connector

technical field

The utility model relates to an electric connector, in particular to an electric connector for connecting a flexible circuit board to another circuit board (including a flexible circuit board and a non-flexible circuit board).

Background technique

At present, the commonly used electrical connectors for connecting a flexible circuit board to another circuit board mainly include the plug-in clamping type in which the socket connector and the plug connector are plugged in, and the clamshell clamping type in which the flexible circuit board is pressed by the clamshell. .

However, the above two types of electrical connectors are not only complicated in structure and thicker in product thickness, but also when subjected to vibrations caused by collisions and other reasons, the plug connector of the plug-in type electrical connector is easy to pop out from the socket connector. , the flip cover of the flip clamping electrical connector is easy to disengage and flip up, which causes the connection with the flexible circuit board to fail.

Utility model content

The purpose of this utility model is to provide an electrical connector with a relatively simple structure, a small height and a reliable connection with a flexible circuit board to address the shortcomings of the above-mentioned prior art.

In order to achieve the above purpose, the electrical connector provided by the utility model is used for connecting flexible circuit boards, which includes an insulating body, a plurality of connecting terminals, a reinforcing plate and a sliding cover; the insulating body has a receiving groove and a plurality of terminals groove; a plurality of connection terminals are accommodated in a terminal groove respectively; the reinforcement board is accommodated in the accommodation groove for fixing together with the flexible circuit board; the sliding cover can be slidably set on the The accommodating groove of the insulating body is pressed against the reinforcing plate.

As mentioned above, the electrical connector of the utility model uses a sliding cover and a reinforcing plate to press and hold the flexible circuit board in the receiving groove to realize connection with the flexible circuit board. The sliding direction of the cover is parallel to the reinforcing plate and perpendicular to the movement direction of the reinforcing plate and the flexible circuit board coming out of the receiving groove, so that the sliding cover will not slide open when the electrical connector and the flexible circuit board are vibrated, so The connection between the electrical connector of the utility model and the flexible circuit board is more reliable.

Description of drawings

FIG. 1 is a perspective view of an embodiment of the electrical connector of the present invention.

FIG. 2 is an exploded perspective view of the electrical connector shown in FIG. 1 .

FIG. 3 is a perspective view of the insulating body of the electrical connector shown in FIG. 1 .

FIG. 4 is a perspective view of the slide rail of the electrical connector shown in FIG. 1 .

FIG. 5 is a perspective view of the electric sliding cover shown in FIG. 1 .

FIG. 6 is a perspective view of a state of the assembly process of the electrical connector shown in FIG. 1 and the flexible circuit board.

FIG. 7 is a perspective view of the electrical connector shown in FIG. 1 assembled with the flexible circuit board.

The reference signs in the figure are explained as follows:

Insulation body 10 base part 11

Terminal Groove 12 Base Groove 121

Solder Tail Groove 122 Weld Foot Groove 123

Avoidance slot 124 gear part 13

Cross section 131 Side section 132

Block 133 Slide Rail Slot 14

Welding Tank 15 Storage Tank 16

Connecting terminal 20 Terminal base 21

Solder Tails 22 Solder Feet 23

Elastic contact part 24 slide rail 30

Slide rail base 31 clamping block 32

Supporting feet 33 Fixed feet 34

Guide slide part 35 reinforcement plate 40

Slide Cover 50 Cover Plate 51

Pressure Rib 52 Bending Part 53

Hooking part 54 Limiting piece 55

Limiting Department 56 Flexible Circuit Board 80

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Please refer to FIG. 1 and FIG. 2 , the electrical connector of the present invention is used to connect a flexible circuit board 80 and a printed circuit board (not shown in the figure), and the printed circuit board is provided with an analog ground. The electrical connector includes an insulating body 10 , a plurality of connecting terminals 20 , two sliding rails 30 , a reinforcing plate 40 and a sliding cover 50 . Wherein, the reinforcing plate 40 is in the shape of a rectangular plate, which is made of a metal plate with electromagnetic shielding effect.

Please refer to FIG. 2 and FIG. 3 , the insulating housing 10 has a base portion 11 in the shape of a square plate. The base part 11 is provided with front and rear two rows of terminal slots 12. The terminal slots 12 have a base slot 121 extending forward and backward from the upper surface of the base part 11. Tail slot 122 , a welding foot slot 123 and an escape slot 124 . The four corners of the base part 11 respectively extend a stop part 13 located outside the base part 11 and higher than the upper surface of the base part 11. The stop part 13 has a transversely extending crosspiece 131 and a longitudinally extending Side block 132 . A locking block 133 protrudes from the end of the side blocking portion 132 . The left and right side surfaces of the base part 11 are respectively surrounded by the corresponding side stop parts 132 and the two locking blocks 133 to form a sliding rail locking groove 14 . The base portion 11 defines two rectangular welding grooves 15 respectively extending to the front surface or the rear surface of the base portion 11 on the lower surface. The base portion 11 and the four stop portions 13 enclose a substantially square receiving groove 16 for receiving the reinforcing plate 40 .

Please refer to FIG. 2 , the plurality of connection terminals 20 are respectively accommodated in a terminal groove 12 . The connection terminal 20 has a strip-shaped terminal base 21 disposed in the base groove 121 . One end of the terminal base 21 is bent downward and then extended outward along a direction parallel to the terminal base 21 to form a solder tail 22 . One side of the terminal base 21 is punched to form a groove (not numbered in the figure), and the terminal base 21 is bent downward from a groove edge of the groove to extend a welding foot portion 23 . Solder tail portion 22 and solder leg portion 23 extend into solder groove 15 respectively by solder tail groove 122 and solder leg groove 123 so as to be soldered to the printed circuit board, thereby each connection terminal 20 has two points to be welded with printed circuit board, thus The welding between the connecting terminal 20 and the printed circuit board is stronger. The other end of the terminal base 21 is bent upwards and extended obliquely, and then bent downwards obliquely to form an elastic contact portion 24 .

Please refer to FIG. 2 and FIG. 4 , the two slide rails 30 are made of sheet metal material, which are held in a slide rail slot 14 respectively. Each slide rail 30 has a strip-shaped slide rail base 31 extending forward and backward. Two clamping blocks 32 respectively protrude outward from the tops of the two ends of the slide rail base 31 , and the two clamping blocks 32 are respectively clamped on the side stopper 132 at one end of the slide rail slot 14 . Both ends of the lower side edge of the slide rail base 31 protrude downward respectively to form a supporting foot 33 for supporting on the electrical springboard. The lower edge of the slide rail base 31 is respectively bent and extended to a fixed foot 34 near the two support feet 33 for connecting with the analog ground on the printed circuit board. A plate-shaped sliding guide portion 35 extending forward and backward is vertically bent and extended from the middle of the upper edge of the slide rail base portion 31 .

Please refer to FIG. 2 and FIG. 5 , the sliding cover 50 is made of metal plate material, and has a rectangular plate-shaped cover plate 51 . The cover plate 51 is stamped with a pressing rib 52 extending from the front to the rear and protruding downward. The size of the downward protrusion of the pressing rib 52 gradually decreases from the middle to the two ends. An arc-shaped bending portion 53 extends from the left and right edges of the cover plate 51 respectively. End edges of the two bent portions 53 extend obliquely inwardly to form a plate-shaped hooking portion 54 , and the two hooking portions 54 are slidably hooked on the corresponding sliding guide portions 35 . Front ends of the end edges of the two hooking portions 54 protrude inward and obliquely downward respectively to form a substantially rectangular limiting piece 55 . Two ends of the rear edge of the cover plate 51 are respectively bent downwards to extend a substantially rectangular limiting portion 56 , and the two limiting portions 56 are respectively arranged on the left side and the right side of the insulating body 10 to limit the sliding cover 50 . Position, so that the sliding cover 50 is slidably covered on the receiving groove 16 of the insulating body 10 .

Please refer to Fig. 6 and Fig. 7, when assembling the flexible circuit board 80 to the above-mentioned electrical connector, first use the jig to fix the reinforcing plate 40 and the flexible circuit board 80 together; then, pull the sliding cover backward 50 until the limiting piece 55 abuts against the block 133 at the rear; then, place the reinforcing plate 40 fixed on the flexible circuit board 80 in the receiving groove 16, and push the sliding cover 50 forward until the limiting piece 55 touches The locking block 133 at the top makes the two resisting ribs 52 press against the reinforcement board 40 to compress the reinforcement board 40 and the flexible circuit board 80 in the receiving groove 16 . After the flexible circuit board 80 is assembled in the above-mentioned electrical connector, the flexible circuit board 80 is electrically connected with the elastic contact portion 24; The groove 124 can prevent the elastic contact portion 24 of the connection terminal 20 from touching the bottom wall of the base groove 121 and deforming; the reinforcing plate 40 can be electrically connected with the analog ground of the printed circuit board through the slide cover 50 and the slide rail 30, thus The reinforcing plate 40 also has the function of electromagnetic shielding.

As mentioned above, the electrical connector of the utility model uses a sliding cover 50 and a reinforcing plate 40 to press and hold the flexible circuit board 80 in the receiving groove 16 to achieve connection with the flexible circuit board 80, so that the electrical connector of the utility model The structure of the connector is simple and the thickness is low; and because the sliding direction of the sliding cover 50 is parallel to the reinforcing plate 40 and perpendicular to the moving direction of the reinforcing plate 40 and the flexible circuit board 80 coming out of the receiving groove 16, the electrical connector And when the flexible circuit board 80 is vibrated, the sliding cover 50 will not slide away, so the connection between the electrical connector of the present invention and the flexible circuit board 80 is more reliable.

The utility model is not limited to the above-mentioned specific embodiments, and equivalent changes and modifications made according to common knowledge should be covered within the scope of protection of the utility model, such as the sliding cover can not only be slidably covered on the insulating body through the slide rail, Moreover, it can be directly slid on the insulating body.

Claims (9)

1. An electrical connector for connecting a flexible circuit board, comprising an insulating body and a plurality of connecting terminals, the insulating body having a receiving groove and a plurality of terminal grooves; the plurality of connecting terminals are respectively accommodated in a terminal groove; It is characterized in that: it also includes a reinforcing plate and a sliding cover, the reinforcing plate is accommodated in the receiving groove, and is used for fixing together with the flexible circuit board; the sliding cover can slide along the direction parallel to the reinforcing plate to cover the ground It is arranged on the receiving groove of the insulating body and pressed against the reinforcing plate. 2. The electrical connector according to claim 1, wherein a slide rail is respectively fixed on two sides of the insulating body, and the slide cover is slidably mounted on the two slide rails. 3. The electrical connector according to claim 2, wherein the slide rail has a sliding guide portion, the slide cover has a cover plate, and the left and right edges of the cover plate are respectively bent and extended with a bend part, the end edges of the two bent parts are extended to form a hooking part, and the two hooking parts are respectively slidably hooked on the corresponding sliding guide parts. 4. The electrical connector according to claim 3, characterized in that: the insulating body has a base portion, four corners of the base portion respectively extend a gear portion, and the base portion and the four gear portions Surround the storage tank. 5. The electrical connector according to claim 4, characterized in that: the stop part has a side stop part extending longitudinally, a block protrudes from the end of the side stop part, and the left and right sides of the base part A slide rail slot is enclosed with the corresponding side stoppers and the two blocks respectively, and the slide rail is accommodated and fixed in the corresponding slide rail slot. 6. The electrical connector according to claim 5, characterized in that: the end of the hooking part of the sliding cover protrudes from a limiting piece that can be abutted against the block, and the rear edge of the cover plate of the sliding cover The two ends are respectively bent downwards to extend a limiting part, and the two limiting parts are respectively arranged on the left side and the right side of the insulating body. 7. The electrical connector according to claim 2, wherein the slide rail has fixed feet, the slide rail and the slide cover are made of metal materials, and the reinforcing plate is made of a metal material with electromagnetic shielding effect production. 8. The electrical connector according to claim 1, wherein a welding groove is provided on the bottom surface of the insulating body, the terminal groove has a welding tail groove and a welding foot groove communicating with the welding groove, and the connecting terminal has a A welding tail portion and a welding foot portion, the welding tail portion and the welding foot portion protrude into the welding groove from the welding tail groove and the welding foot groove respectively. 9. The electrical connector according to claim 1, characterized in that: the cover plate is stamped with downwardly protruding pressure ribs, and the downwardly protruding dimension of the pressure ribs gradually changes from the middle to both ends. Small.

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