CN205724217U - electrical connector - Google Patents

Abstract

The utility model discloses an electric connector, including an insulator, a reinforcing plate, printed circuit board, ground connection casing and a casing. The insulating body is provided with a substrate, the front end of the substrate transversely protrudes and extends to form a tongue part, the printed circuit board is integrally formed on the insulating body and comprises a first printed circuit board and a second printed circuit board, and a plurality of golden fingers are respectively arranged on the upper surface of the first printed circuit board and the lower surface of the second printed circuit board; the reinforcing plate is fixedly assembled between the first printed circuit board and a second printed circuit board, and the first printed circuit board, the second printed circuit board and the reinforcing plate are integrally formed on the insulating body; the grounding shell comprises a first grounding shell and a second grounding shell, and the first grounding shell and the second grounding shell are fixedly arranged on the insulating body in a cladding mode; the shell is coated outside the insulating body. As mentioned above, the utility model discloses electric connector saves the process, makes the structure simpler.

Description

electrical connector

technical field

The utility model relates to a connector, in particular to an electrical connector.

Background technique

A conventional electrical connector includes an insulating body, several conductive terminals and a shell. The front end of the insulating body protrudes horizontally to form a tongue plate. The insulating body is provided with several conductive terminal grooves. Several conductive terminals are installed in the terminal grooves. The shell covers the insulating body. The shell and the tongue plate of the insulating body form a horizontal space. The plugging space, the butt plug is inserted into the plugging space. Each conductive terminal has a soldering portion. If wiring is required, the soldering portion is soldered to the external printed circuit board, and then the external printed circuit board is wired to transmit the signal.

The above-mentioned wiring application method of the electrical connector is cumbersome.

Utility model content

The purpose of the present utility model is to provide an electrical connector for the disadvantages of the above-mentioned prior art. The electrical connector has a simple structure and can save wiring application procedures.

To achieve the above object, the utility model provides an electrical connector, which includes an insulating body, a reinforcing plate, two printed circuit boards, a grounding shell and a shell. The insulating body has a base body, the front end of the base body protrudes laterally to form a tongue portion, and the printed circuit board is integrally formed on the insulating body, including a first printed circuit board and a second printed circuit board, the upper surface of the first printed circuit board and There are several gold fingers on the lower surface of the second printed circuit board; the reinforcing plate is fixedly assembled between the first printed circuit board and a second printed circuit board, and the first printed circuit board, the second printed circuit board and the reinforcing plate are integrally formed On the insulating body; the grounding shell includes a first grounding shell and a second grounding shell, the first grounding shell and a second grounding shell are fixedly mounted on the insulating body; the shell is covered on outside the insulation body.

As a further improvement, the two sides of the front end of the tongue part continue to extend forward to form a hollow frame part, and a receiving groove that runs through the base body and the tongue part forward and backward is opened from the rear end of the base body, and the hollow part of the frame part An accommodating space communicating with the accommodating groove is formed, the printed circuit board is molded in the accommodating space, and an avoidance groove communicating with the accommodating groove is respectively provided on both sides of the tongue body.

As a further improvement, the front part of the base body is provided with a clamping groove along the periphery, and the middle part of the upper and lower surfaces of the base body is provided with a receiving groove extending downward and forward to the upper surface and lower surface of the tongue part near the front end. The upper surface and the lower surface of the base body protrude forward from the rear end edge of the holding groove on both sides of the accommodating groove respectively to form two convex lines, and the rear parts of the upper and lower surfaces of the base body respectively protrude to form two wedges. The shell has a top plate, a The bottom plate and the two side plates, the top plate and the rear edge of the bottom plate are provided with a fastening groove backward respectively, and the middle part of the fastening groove extends backward and upward to form a holding plate. Placed in the clamping groove, the convex strip is clamped in the clamping groove, the outer surface of the shell is flush with the outer surface of the base, the holding plate covers the upper surface of the base, and the clamping wedge is clamped in the clamping groove.

As a further improvement, the first grounding shell and the second grounding shell respectively have a strip-shaped base plate and are bent upwards and extended from the middle of the rear end of the base plate and then bent and extended backwards to form an extension plate. The two sides are respectively extended outward and then bent downward and outward to form a fixed foot. The two sides of the front end of the substrate are respectively bent downward and outward to form a contact foot. On the surface of the finger, the first printed circuit board and the second printed circuit board respectively have a flat base and an extension formed by extending forward from the middle of the front end of the base, and a recess is provided inwards on both sides of the extension near the rear end. Groove, the base plate and the extension board are housed and covered in the accommodation groove, the fixed feet are welded to the reinforcement board by laser welding through the avoidance groove and the groove, and the contact feet are abutted against the golden finger of the extension part of the printed circuit board .

As mentioned above, the electric connector of the utility model is integrally molded on the insulating body through the printed circuit board and the grounding shell, so that the signal can be transmitted directly from the gold finger welding wire without welding the electric connector to the external printed circuit board. On the circuit board, the signal is transmitted from the external printed circuit board wiring, thereby saving the process and making the structure simpler.

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 of the present invention shown in FIG. 1 .

FIG. 3 is another perspective exploded view of the electrical connector of the present invention shown in FIG. 1 .

Each reference numeral in the figure is explained as follows.

Electrical connector 100 Insulating body 10

Base body 11 Receptacle 111

Holding slot 112 Accommodating slot 113

Rib 114 Wedge 115

Tongue 12 Avoidance groove 121

Frame part 13 Accommodating space 14

Stiffener 20 Printed Circuit Board 30

First printed circuit board 31 Second printed circuit board 32

Base 311, 321 Extension 312, 322

Groove 313, 323 Gold finger 33

Contact terminal 331 Solder terminal 332

Grounded shell 40 First grounded shell 41

Second ground shell 42 Substrate 411, 421

Extension plate 412, 422 Fixed feet 413, 423

Contact feet 414, 424 Housing 50

Top plate 51 Slot 511

Elastic arm 512 Bottom plate 52

Side panel 53 Fastening slot 54

The holding plate 55 has a card slot 551.

detailed description

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 100 of the present invention includes an insulating body 10 , a reinforcing plate 20 , two printed circuit boards 30 , a grounding shell 40 and a shell 50 .

Please refer to Figures 1 to 3, the insulating body 10 has a base body 11, the front end of the base body 11 protrudes laterally to form a tongue body portion 12, and continues to extend forward from both sides of the front end of the tongue body portion 12 to form a hollow frame body portion 13. A receiving groove 111 is opened forward from the rear end of the base body 11 and runs through the base body 11 and the tongue portion 12. The hollow part of the frame body 13 forms an accommodating space 14 communicating with the receiving groove 111. The front part of the base body 11 is provided with a clamping groove 112 along the peripheral edge, and the middle part of the upper and lower surfaces of the base body 11 is provided with a receiving groove 113 in the clamping groove 112 extending downward and forward to the upper surface and the lower surface of the tongue part 12 near the front end. . The upper surface and the lower surface of the base body 11 protrude forward from the rear end edge of the holding groove 112 on both sides of the receiving groove 113 to form two protruding lines 114 , and the upper and lower surfaces of the base body 11 respectively protrude from the rear to form two locking wedges 115 . Both sides of the tongue portion 12 respectively define a relief groove 121 communicating with the receiving groove 111 .

The printed circuit board 30 is integrally formed on the insulating body 10, and includes a first printed circuit board 31 and a second printed circuit board 32. The upper surface of the first printed circuit board 31 and the lower surface of the second printed circuit board 32 are respectively provided with There are several gold fingers 33; the first printed circuit board 31 and the second printed circuit board 32 have a flat base 311, 321 and an extension 312, 322 formed by extending forward from the middle of the front end of the base 311, 321, respectively, The width of the extension portion 312 , 322 is smaller than the width of the base portion 311 , 321 . Two grooves 313 and 323 are defined inwardly at the two sides of the extension part 312 near the rear end respectively. Each gold finger 33 has a contact end 331 located on the extension portion 32 and a wire bonding end 332 located on the base portion 31 . The contact end 331 is used for contacting with the docking connector, and the welding wire end 332 is used for wiring to transmit the signal.

The reinforcing plate 20 is flat, and the reinforcing plate 20 is fixedly assembled between the first printed circuit board 31 and a second printed circuit board 32. The first printed circuit board 31, the second printed circuit board 32 and the reinforcing plate 20 It is integrally formed on the insulating body 10 .

The grounding shell 40 includes a first grounding shell 41 and a second grounding shell 42 which have the same structure and are symmetrically arranged up and down. The first grounding shell 41 and the second grounding shell 42 respectively have a strip shape The base plates 411, 421 are bent upwards from the middle of the rear ends of the base plates 411, 421 and then bent and extended backwards to form an extension plate 412, 422. Both sides of the middle parts of the substrates 411, 421 are respectively extended outwards and then bent downwards and outwards to form a fixed foot 413, 423. , the contact pins 414 and 424 abut against the contact end 331 of the golden finger 33 .

The casing 50 covers the insulating body 10 , the ground casing 40 and the printed circuit board 30 . The casing 50 has a top plate 51 , a bottom plate 52 and two side plates 53 . The rear end edges of the top plate 51 and the bottom plate 52 are respectively provided with a fastening groove 54 backward, and the middle part of the fastening groove 54 extends backward and upward to form a holding plate 55. Two slots 511 are respectively opened on the top, and the middle part of the front end of the slots 511 extends backwards and downwards to form an elastic arm 512 . The elastic arm 512 is used to hold the docking connector.

Please refer to FIGS. 1 to 3. When assembling the electrical connector 100 of the present invention, the reinforcing plate 20 is first placed between the first printed circuit board 31 and the second printed circuit board 32 and connected to the first printed circuit board 31 and the second printed circuit board. The two printed circuit boards 32 are fixedly assembled together. Then, the assembled printed circuit board 30 and the reinforcement board 20 are integrally molded on the insulating body 10 by in-molding injection molding. Specifically, the printed circuit board 30 is molded in the accommodating space 14 . Then the first grounding shell 41 and a second grounding shell 42 are fixedly installed on the insulating body 10, specifically, the base plates 411, 421 and the extension plates 412, 422 are accommodated and covered in the accommodating groove 113, fixed The feet 413, 423 are welded to the reinforcing plate 20 by radium welding through the escape groove 121 and the groove 321, and the contact feet 414, 424 abut against the upper surface of the contact end 331 of the gold finger 33 on the extension portion 32 of the printed circuit board 30 . Finally, the housing 500 is wrapped around the insulating body 10, the grounding housing 40 and the printed circuit board 30. Specifically, the rear end of the housing 50 is accommodated in the holding groove 112, and the convex strip 114 is fastened in the fastening groove. 54, the outer surface of the housing 50 is flush with the outer surface of the base 11, the holding plate 55 covers the upper surface of the base 11, and the wedge 115 is held in the slot 551, so that the housing 50 is installed and covered on the insulating body 10 , Ground the shell 20 and the printed circuit board 30 outside.

As mentioned above, the electrical connector 100 of the present utility model is provided with several golden fingers 33 on the printed circuit board 30, and the printed circuit board 30 and the grounding shell 40 are integrally molded on the insulating body 10, so that the golden fingers can be connected directly The welding wire end 332 of 33 does not need to weld the electrical connector 100 on the external printed circuit board, and then pull out the signal from the external printed circuit board, thereby saving the process and making the structure simpler.

Claims (4)

1. An electrical connector, characterized in that: it includes an insulating body, a printed circuit board, a reinforcing plate and a housing, the insulating body has a base, and the front end of the base protrudes laterally to form a tongue; the printed circuit board is integrally formed on The insulating body includes a first printed circuit board and a second printed circuit board, and several golden fingers are respectively provided on the upper surface of the first printed circuit board and the lower surface of the second printed circuit board; the reinforcing plate is fixed and assembled on the first printed circuit board Between the board and a second printed circuit board, the first printed circuit board, the second printed circuit board and the reinforcing plate are integrally formed on the insulating body; the grounding shell includes a first grounding shell and a second grounding shell, The first ground shell and a second ground shell are fixedly installed and covered on the insulating body; the shell is wrapped outside the insulating body. 2. The electrical connector according to claim 1, wherein a hollow frame part is formed by continuing to extend forward from both sides of the front end of the tongue part, and a front and back penetrating through the base body and The accommodation groove of the tongue body and the hollow part of the frame form an accommodation space connected with the accommodation groove, the printed circuit board is formed in the accommodation space, and an avoidance groove communicated with the accommodation groove is provided on both sides of the tongue body . 3. The electrical connector according to claim 2, characterized in that: the front part of the base body is provided with a clamping groove along the peripheral edge, and the middle part of the upper and lower surfaces of the base body is provided with a clamping groove extending downward and forward to the tongue body. The upper surface and the lower surface of the upper part are close to the accommodation groove at the front end. The upper surface and the lower surface of the base body protrude forward from the rear end edge of the holding groove on both sides of the accommodation groove respectively to form two convex lines. Stretching to form two wedges, the shell has a top plate, a bottom plate and two side plates, the top plate and the rear edge of the bottom plate are respectively provided with a fastening groove backward, and the middle part of the fastening groove extends backward and upward to form a holding plate, the holding plate There are two card slots on the top, the rear end of the housing is accommodated in the clamping slot, the convex strip is clamped in the clamping slot, the outer surface of the housing is flush with the outer surface of the base, the holding plate covers the upper surface of the base, and the wedge Hold in the card slot. 4. The electrical connector according to claim 3, wherein the first grounding shell and the second grounding shell respectively have a strip-shaped substrate and are bent and extended upwards from the middle of the rear end of the substrate. Bending and extending backwards to form an extension plate, the two sides of the middle part of the base plate are respectively extended outwards and then bent downwards and extended outwards to form a fixed foot, and the two sides of the front end of the substrate are respectively bent downwards and extended outwards to form a contact foot, which contacts The bottom surface of the foot abuts against the surface of the golden finger of the extension of the printed circuit board. The first printed circuit board and the second printed circuit board respectively have a flat base and an extension formed by extending forward from the middle of the front end of the base. There is a groove inward on both sides of the head near the rear end. The base plate and the extension plate are accommodated and covered in the accommodating groove. Abut against the golden finger of the extension part of the printed circuit board.