CN201171130Y - electrical connector - Google Patents

Abstract

The utility model discloses an electrical connector, which includes an insulating body, a plurality of conductive terminals and a metal shell covering the insulating body. The insulating body is provided with a plug-in slot, a boss protrudes from the bottom wall of the plug-in slot, and a plug-in hole is provided on the boss. The plurality of conductive terminals all have a plate-shaped retaining portion, one end of the retaining portion protrudes forward to form two plug-in portions, and the other end of the retaining portion is bent and extended to form a pin portion, the retaining portion and the two plug-in portions are placed in the plug-in hole of the insulating body, and the end of the pin portion protrudes out of the insulating body. The utility model has reduced manufacturing difficulty, reduced cost, convenient assembly, and more stable contact with the terminals of the docking connector.

Description

electrical connector

technical field

The utility model relates to an electric connector, in particular to an electric connector used for S-Video (S video input interface).

Background technique

Since the S-video signal does not need to be encoded and decoded without signal loss, the quality of the S-video signal is better than that of the standard video signal. Therefore, the S-Video connector currently used for the S-video input interface is used in digital TVs, projectors, DVDs, etc. The product has a wide range of applications.

However, one end of the conductive terminal of the existing electrical connector used for S-Video is in the shape of a sleeve to be plugged with the conductive terminal of the butt connector, so the manufacturing of the conductive terminal of the electrical connector is difficult and costly, and it is not easy Assembled on the insulating body of the electrical connector, the manufacture of the electrical connector is difficult and costly; and the contact with the terminal of the mating connector is not firm, resulting in low signal transmission quality of the S-Video connector.

Utility model content

The purpose of the utility model is to provide an electrical connector for S-Video, high signal transmission quality, easy manufacture and low cost in view of the defects in the prior art.

To achieve the above purpose, the electrical connector of the present invention includes an insulating body, several conductive terminals and a metal shell. The insulator body is provided with a socket slot, and a boss protrudes from the bottom wall of the socket slot, and a plug hole is opened on the boss; several conductive terminals all have a strip-shaped holding part, holding One end of the part protrudes forward and protrudes two plug-in parts, and the other end of the holding part is bent and extended with a pin part. Outside the body. The metal shell covers the insulating body, and an opening corresponding to the insertion slot is provided on the metal shell.

As mentioned above, the electrical connector of the utility model replaces the existing sleeve-shaped structure with the plug-in part of the conductive terminal, which reduces the difficulty and cost of manufacturing the conductive terminal, and its plate-shaped structure can be easily assembled with the insulating body. Moreover, the protruding part can make the contact between the terminal of the mating connector inserted therein and the conductive terminal more stable, thereby improving the quality of signal transmission.

Description of drawings

In the accompanying drawings of the manual:

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 .

The reference numerals of each element in the figure are explained as follows:

Insulation body 10 front face 100

Socket 101 Boss 102

socket hole 103 side 110

Groove 111 Front stop 112

Rear stop 113 Top surface 120

Buckle block 121 Bottom surface 130

Guide column 131 Dovetail groove 132

Rear face 140 Storage slot 150

Snapping strip 151 Conductive terminal 20

Holding part 200 Locking part 210

Insertion part 220 Convex part 230

Pin part 240 The first metal shell 30

First base plate 300 Opening 301

Shrapnel 302 First side plate 310

Card position 311 Card foot 312

Slotted 313 Second metal shell 40

Second base plate 400 Second side plate 410

Buckle 411 Fastening plate 420

Recessed hole 421 Insulation cover 50

Seal plate 500 Through hole 501

Fastening part 502 Hook 503

Backing plate 504

Detailed ways

In order to describe the technical content, structural features, achieved purpose and effect of the present utility model in detail, the following will be described in detail in combination with specific embodiments and accompanying drawings.

Please refer to Fig. 1, the electrical connector of the utility model is an electrical connector for S-Video, which includes an insulating body 10, several conductive terminals 20, a first metal shell 30, a second metal shell 40 and an insulating cover 50.

Please refer to FIG. 2 , the insulating body 10 is substantially in the shape of a cuboid, and has a front surface 100 , two side surfaces 110 , a top surface 120 , a bottom surface 130 and a rear surface 140 . The front end surface 100 of the insulating body 10 defines a substantially circular insertion slot 101 inwardly, and a substantially cylindrical boss 102 protrudes from the bottom wall of the insertion slot 101 . Four insertion holes 103 penetrating through the insulating body 10 are opened inwardly on the end surface of the boss 102 . The two side surfaces 110 of the insulating body 10 are respectively provided with three grooves 111 extending forward and backward, wherein the bottom walls of the upper and lower grooves 111 respectively protrude from the front end surface 100 of the insulating body 10 with a front stop part extending up and down. 112 , a rear stop portion 113 extending up and down protrudes from the bottom wall of the groove 111 in the middle near the rear end surface 140 of the insulating body 10 . Two locking blocks 121 protrude from the top surface 120 of the insulating body 10 near the front end surface 100 .

Referring to FIG. 3 , a guiding post 131 protrudes from the bottom surface 130 of the insulating body 10 near the two side surfaces 110 , and a dovetail groove 132 is defined in the middle of the bottom surface 130 . The rear end surface 140 and the bottom surface 130 of the insulating body 10 are inwardly recessed to form a receiving groove 150 communicating with the insertion hole 103 and the dovetail groove 132 . A strip-shaped engaging strip 151 protrudes from the middle of the two side walls of the receiving groove 150 respectively.

Please refer to FIG. 2 , the conductive terminal 20 has a strip-shaped holding portion 200 , and two side-by-side latching portions 210 respectively protrude from two edges of the holding portion 200 . Two inserting portions 220 protrude forward from the front edge of the holding portion 200 , and a protruding portion 230 protrudes from inner edges of the two inserting portions 220 opposite to each other. A rear end of the holding portion 200 is vertically bent and extended to have a stitch portion 240 . The retaining portion 200 and the inserting portion 220 are inserted from one end of the inserting hole 103 close to the receiving groove 150 , and the locking tooth portion 210 is locked against the wall of the inserting hole 103 . The pin portion 240 is placed in the receiving groove 150 , and the end of the pin portion 240 protrudes from the bottom surface 130 of the insulating body 10 for soldering with a circuit board.

The first metal shell 30 has a first base plate 300 . A circular opening 301 is defined on the first base plate 300 . The first base plate 300 has a plurality of elastic pieces 302 bent backwards from the edge of the opening 301 . The left and right side edges of the first substrate 300 are respectively bent and extended backward to form a first side plate 310 , and two inwardly bent locking portions 311 are punched out on the two first side plates 310 . Two locking feet 312 respectively protrude from the lower edges of the two first side panels 310 . A slot 313 is respectively defined in the middle of the rear edge of the two first side panels 310 . The first substrate 300 of the first metal shell 30 covers the front surface 100 of the insulating body 10 , and the opening 301 corresponds to the insertion slot 101 on the front surface 100 , and the elastic piece 302 extends into the insertion slot 101 . The two first side plates 310 of the first metal shell 30 respectively cover the two side surfaces 110 of the insulating body 10 , and the two locking portions 311 of the first side plate 310 extend into the upper and lower grooves 111 of the insulating body 10 respectively. respectively snap against the corresponding front stoppers 112 .

The second metal shell 40 has a second base plate 400. The left and right side edges of the second base plate 400 are respectively bent and extended forward to form a second side plate 410. Inwardly bent buckle 411 ; the upper edge of the second substrate 400 is bent and extended forward to form a fastening plate 420 , and two parallel concave holes 421 are punched on the front edge of the fastening plate 420 . The second base plate 400 of the second metal shell 40 is arranged on the rear end surface 140 of the insulating body 10, and the two second side plates 410 respectively cover the first side plate 310 of the first metal shell 30, and the second side plate 410 The buckles 411 respectively pass through the slots 313 of the first side plate 310 , then extend into the middle groove 111 of the side surface 110 and are respectively locked against the corresponding rear stop portions 113 . The fastening plate 420 of the second metal shell 40 covers the top surface 120 of the insulating body 10 , and the concave hole 421 of the fastening plate 420 is fastened with the fastening block 121 of the top surface 120 .

The insulating cover 50 has a sealing plate 500 , and the sealing plate 500 is provided with rectangular through holes 501 , and a dovetail-shaped fastening portion 502 protrudes from the middle of the front edge of the sealing plate 500 . A hook 503 protrudes vertically from the left and right side edges of the sealing plate 500 , and the rear end edge of the sealing plate 500 is vertically bent and extended to form a backing plate 504 . The sealing plate 500 of the insulating cover 50 is arranged in the receiving groove 150 of the insulating body 10, and the fastening portion 502 of the sealing plate 500 is engaged with the dovetail groove 132 of the bottom surface 130 of the insulating body 10, and the through hole 501 of the sealing plate 500 The pin portions 240 of the conductive terminals 20 respectively pass through, and the hooks 503 engage with the engaging strips 151 of the insulating housing 10 . The backing plate 504 is inserted into the receiving groove 150 of the insulating body 10 close to the second substrate 400 of the second metal shell 40 .

As mentioned above, the electrical connector of the utility model replaces the existing sleeve-shaped structure with the insertion part 220 of the conductive terminal 20, which reduces the difficulty of manufacturing the conductive terminal and reduces the cost. 10, and the protruding portion 230 can make the connection between the terminal of the docking connector inserted therein and the conductive terminal 20 more stable, thereby improving the quality of signal transmission. In addition, the first metal shell 30 and the second metal shell 40 are clipped and fastened on the insulating body 10, so that the first metal shell 30 and the second metal shell 40 can be assembled without jigs, thereby reducing the assembly cost; and The elastic piece 302 on the first metal shell 30 can make the electrical connector and the mating connector generate proper clamping force, so that the insertion is reliable and the removal is easy.

Claims (8)

1. an electric connector comprises an insulating body, several conducting terminals and a metal shell, it is characterized in that: offer an inserting groove on this insulating body, protrude out a boss on the diapire of inserting groove, offer spliced eye on this boss; Several conducting terminals all have one and are the tabular holding parts of bar, one end of this holding parts protrudes out two Plug Divisions forward, the other end bending of this holding parts is extended with a stitch portion, and holding parts and two Plug Divisions place in the spliced eye of insulating body, and the end of stitch portion stretches out outside the insulating body; This metal shell coated insulation body, and offer on this metal shell one with the inserting groove corresponding opening.

2. electric connector according to claim 1 is characterized in that: metal shell bends backward at the edge of opening and is extended with several shell fragments, and several shell fragments stretch in the inserting groove of insulating body.

3. electric connector according to claim 2, it is characterized in that: metal shell comprises first metal shell and second metal shell, first metal shell and second metal shell cover respectively and are fixed on the insulating body, and second metal shell also covers on first metal shell.

4. electric connector according to claim 3 is characterized in that: insulating body has a front end face, two sides, end face, bottom surface and rear end face; First metal shell has one first substrate and by the left and right sides edge of first substrate first side plate that extends to form of bending backward respectively, first substrate covers on the front end face of insulating body, first side plate covers respectively on the respective side of insulating body, and opening is opened on first substrate; Second metal shell has one second substrate, the left and right sides edge of second substrate bends forward respectively and extends to form one second side plate, the last ora terminalis of second substrate bends forward and extends to form a buckling plate, second substrate covers on the rear end face of insulating body, second side plate covers respectively on corresponding first side plate of first metal shell, and buckling plate covers on the end face of insulating body.

5. electric connector according to claim 4, it is characterized in that: the groove that extends before and after offering three on the two sides of insulating body respectively, the diapire of two grooves has protruded out a preceding stopper section respectively at the front end face place near insulating body up and down, the diapire of the groove at middle part has protruded out stopper section, a back at the rear end face place near insulating body, die-cut on first side plate have two screens portions that bend inwards, this screens portion stretches in the corresponding grooves respectively and fastens respectively on corresponding preceding stopper section, die-cut on second side plate have a buckle that bends inwards, and this buckle stretches in the corresponding grooves and fastens on the stopper section, back.

6. electric connector according to claim 4 is characterized in that: the rear end face of wherein said insulating body and bottom surface inwardly offer an accepting groove that is communicated with spliced eye, and the part of the stitch portion of described conducting terminal places in the accepting groove.

7. electric connector according to claim 6, it is characterized in that: the bottom surface of wherein said insulating body offers a dovetail groove that is communicated with accepting groove, this electric connector further comprises an insulation cover plate, this insulation cover plate has a sealing plate, sealing plate places in the accepting groove of insulating body, and the front-end edge of sealing plate protrudes out a buckling parts, this buckling parts fixes in dovetail groove, the vertical bending of end edge is extended with a backing plate, and this backing plate places in the accepting groove of insulating body and places the front side of second substrate of second metal shell.

8. electric connector according to claim 7 is characterized in that: protrude out the engaging bar that extend front and back on the two side of accepting groove respectively, described sealing plate both side edges vertically protruded out a grab respectively, two grabs are stuck on the corresponding engaging bar.

Images