CN201355688Y

CN201355688Y - electrical connector

Info

Publication number: CN201355688Y
Application number: CNU2009203002840U
Authority: CN
Inventors: 侯礼春; 赖金德
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2009-01-18
Filing date: 2009-01-18
Publication date: 2009-12-02
Anticipated expiration: 2019-01-18

Abstract

The utility model discloses an electric connector, which comprises an insulation body provided with a plurality of terminal grooves, conductive terminals accommodated in the corresponding terminal grooves of the insulation body, a circuit board electrically connected with the terminals and a covering housing body covering the insulation body. A joint face is arranged at the back end of the insulation body; the covering housing body comprises an upper wall and a lower wall and a side wall connected with the housing body, and both the upper and the lower walls of the covering housing body extend backward, project from the joint face of the insulation body and cover the upper and the lower surfaces of the circuit board; a groove is formed on the side wall, and the two sides of the circuit board are accommodated in the groove and welded with the side wall. The electric connector is provided with an improved metal housing body, which covers the insulation body and the front end of the circuit board and is welded to the circuit board in order to improve the structural strength.

Description

Electric connector

[technical field]

The relevant a kind of electric connector of the utility model refers to a kind of effectively electric connector of transmitting high-frequency signal especially.

[background technology]

For satisfying unique needs in consumer electronics market, April in 2002, Hitachi, Panasonic, Philip, crystalline substance picture (Silicon Image), Sony, Thomson, Toshiba totally 7 companies have set up HDMI (High-definition DigitalMultimedia Interface; High definition numerical digit multimedia interface) association begins to formulate the new numerical digit video/audio transmission criteria that is exclusively used in.The HDMI technology is to transmit HD video and multi-channel audio by single connector, the generation that mainly faces down consumer electronics market.According to the HDMI transmission standard, the HDMI electric connector comprises insulating body, be assembled in the conducting terminal on the insulating body and cover thin sheet of metal shielding casing in the insulating body periphery.A kind of electric connector is announced shown in CN 2749098Y number as Chinese utility model patent, it has disclosed a kind of HDMI type electric connector, this electric connector front end is provided with and is surrounded on the outer shielding casing of insulating body, be assembled with location-plate behind the described insulating body and this location-plate is exposed to outside the shielding casing, before moulding cladding not, location-plate can shake in manufacturing process, so that each element of electric connector gets loose, and the electromagnetic interference that electric connection place of electric connector inner terminal produces can not effectively shield.

Therefore, necessary electric connector is improved to solve above-mentioned defective of the prior art.

[utility model content]

Main purpose of the present utility model is to provide a kind of electric connector that improves structure that has, and it can effectively increase the space of electric connector and improve structural strength.

To achieve these goals, the utility model adopts following technical scheme: a kind of electric connector, it comprises the insulating body that is provided with the plurality of terminals groove, be contained in the conducting terminal in the insulating body respective end pilot trench, the circuit board that electrically connects with terminal and be surrounded on the outer shielding casing of insulating body, the rear end of described insulating body is a joint face, described shielding casing comprises upper wall, lower wall and coupled sidewall, on the described shielding casing, lower wall all extend back outstanding insulating body joint face and be shielded in circuit board on, lower surface, offer short slot on the described sidewall, the circuit board both sides are contained in the short slot and with sidewall and weld.

Compared with prior art, the utility model has following beneficial effect: electric connector has improved metal shell, its be shielded in insulating body reach outward the circuit board front end and with circuit board welding to improve its structural strength.

[description of drawings]

Fig. 1 is the three-dimensional assembly diagram of the utility model electric connector.

Fig. 2 is the view at another visual angle of electric connector shown in Figure 1.

Fig. 3 is the three-dimensional exploded view of electric connector shown in Figure 1.

Fig. 4 is the view at another visual angle of electric connector shown in Figure 3.

[embodiment]

Please refer to Fig. 1 to shown in Figure 2, the utility model electric connector 100 comprises insulating body 1, plurality of conductive terminals 2, is assembled in the circuit board 3 of insulating body 1 rear end, is surrounded on the shielding casing 4 outside the insulating body 1.

Please refer to Fig. 1 and Fig. 3 to shown in Figure 4, insulating body 1 front end is enclosed to form a trapezoidal grafting space 11 to accommodate butt connector (not shown) by wall, plurality of terminals groove 12 is formed at the upper wall of insulating body 1, and is connected with grafting space 11, in order to accommodate conducting terminal 2.Insulating body 1 rear end is a joint face 14, and described joint face 14 is recessed to form receiving space 15 from back to front.The position that insulating body 1 upside links to each other with joint face 14 is provided with upwardly extending protuberance 13, has been arranged side by side a pair of groove 131 on this protuberance 13, described groove 131 from joint face 14 be recessed to form forward and opening backward.The face that described protuberance 13 front ends link to each other with insulating body 1 is the face of keeping out 132.

Each conducting terminal 2 front end is elasticity docking section 21, is inserted into front end along terminal groove 12 from the rear end of the body 1 that insulate, and inwardly stretches to grafting space 11 in order to electrically to contact with the butt joint terminal.Conducting terminal 2 interludes are that holding parts 22 and rear end are weld part 23, and described weld part 23 is exposed to outside the joint face 14 of insulating body 1, and are divided into two row's arrangements, to electrically connect with circuit board 3.

Circuit board 3 is convex substantially, its upper and lower surface respectively is formed with plurality of conducting strips and connects the conductive path of conducting strip, and the narrower part of these circuit board 3 front ends is the terminal weld zone 31 that comprises plurality of conducting strips, the rear end wide portions is the wire welding area 32 that includes plurality of conducting strips, and the both sides of wire welding area 32 are provided with a pair of connecting portion 33 that is formed by conducting strip.Terminal weld zone 31 is arranged at the upper and lower surface of circuit board 3, in the present embodiment, described connecting portion 33 is arranged at the upper surface of circuit board 3, in other embodiments, also can be arranged at the lower surface of circuit board 3, perhaps the upper and lower surface of circuit board 3 all is provided with and welds to increase its steadiness with shielding casing 4.

Shielding casing 4 is the shaped as frame structure, it comprises the sidewall 43 that upper wall 41, lower wall 42 and a pair of and upper and

lower wall

41,42 link to each other, the rear end of described upper wall 41 upwards is bent to form the occlusion part 412 that separate with upper wall 41 rear end, these occlusion part 412 front portions are provided with a pair of retaining sheet 4121, these retaining sheet 4121 rear ends link to each other with occlusion part 412, and front end bends downwards.The position of upper wall 41 next-door neighbour occlusion parts 412 forms a pair of projection 413, and when moulding cladding (not shown), the liquid of fusion combines with projection 413 with shielding casing 4 and cladding reliable connection.Described sidewall 43 offers short slot 431 from back to front, and the front end of this short slot 431 is provided with inwall 4311, and after it more leans on than occlusion part 412 and junction 4122 of upper wall 41, and this short slot 431 also comprises roof 4312 and the diapire 4313 relative with roof 4312.The downward depression in the rear end of described lower wall 42 forms depressed part 421 with the bigger accommodation space of formation, and this depressed part 421 is oppositely arranged with occlusion part 412.

Please refer to Fig. 1 to shown in Figure 4, during assembling, conducting terminal 2 inserts in the terminal groove 12 of insulating body 1 from back to front, its front end docking section 21 parts are exposed in the grafting space 11, again circuit board 3 is assembled in from back to front insulating body 1 rear end, and the weld part 23 of conducting terminal 2 is divided into the upper and lower side that two rows are welded in circuit board 3, and terminal weld zone 31 parts of circuit board 3 front ends are contained in the receiving space 15 of insulating body 1.Again shielding casing 4 is assembled on the insulating body 1, its front end is surrounded on outside the insulating body 1, the occlusion part 412 of rear end and depressed part 421 parts are exposed to insulating body 1 rear side and lay respectively at the upper and lower side of circuit board 3, reduce electromagnetic interference with electric connection place that is shielded in circuit board 3.The retaining sheet 4121 of shielding casing 4 is snapped in the groove 131 of insulating body 1, moves forward with respect to insulating body 1 to prevent shielding casing 4.The face of keeping out 132 that the junction 4122 of shielding casing 4 is resisted against protuberance 13 moves backward to prevent shielding casing 4.The both sides of the wire welding area 32 of circuit board 3 are contained in the short slot 431, and the downside of circuit board 3 is supported on the diapire 4313 of short slot 431, and the connecting portion 33 of circuit board 3 both sides welds to prevent that circuit board 3 from shaking mutually with the roof 4312 of short slot 431.

After above-mentioned assembling is finished, that cladding is thereon Overmolded.

Claims

1. An electrical connector, comprising an insulating body provided with a plurality of terminal grooves, conductive terminals accommodated in the corresponding terminal grooves of the insulating body, a circuit board electrically connected to the terminals, and a shielding shell surrounded by the insulating body, The rear end of the insulating body is a connecting surface, and the shielding shell includes an upper wall, a lower wall and a side wall connected thereto, and the feature is that the upper and lower walls of the shielding shell both extend backwards and protrude from the insulating body The connection surface of the circuit board is covered with the upper and lower surfaces of the circuit board, and a slot is opened on the side wall, and both sides of the circuit board are accommodated in the slot and welded to the side wall.

2. The electrical connector according to claim 1, wherein a rear end of the upper wall of the shielding housing is bent upward to form a shielding portion, and the rear end of the shielding portion is separated from the upper wall.

3 . The electrical connector according to claim 2 , wherein the rear end of the lower wall of the shielding housing sinks to form a recessed portion, and the recessed portion is disposed opposite to the shielding portion. 4 .

4. The electrical connector according to claim 3, wherein a holding piece is provided on the shielding portion of the shielding housing, a protruding portion with a groove is formed on the upper side of the insulating body, and the holding piece is formed on the upper side of the insulating body. The holding piece is located in the groove.

5 . The electrical connector according to claim 4 , wherein the shielding portion and the upper wall are connected by a joint, and the front end of the protruding portion of the insulating body abuts against the joint. 5 .

6. The electrical connector according to claim 1, wherein the circuit board includes a terminal welding area at the front end, a connecting portion is provided outside the terminal welding area, and the side wall of the shielding case is welded to the terminal welding area. connecting part.

7 . The electrical connector as claimed in claim 6 , wherein the connecting portion is behind the terminal welding area, a receiving space is provided at the rear end of the insulating body, and the terminal welding area is accommodated in the receiving space. 8 .

8. The electrical connector as claimed in claim 1, wherein the slot comprises a top wall and a bottom wall opposite thereto, and the circuit board is supported on the bottom wall.

9. The electrical connector as claimed in claim 8, wherein the top wall of the slot is welded to the circuit board.

10 . The electrical connector as claimed in claim 9 , wherein the rear ends of the upper and lower walls of the shielding housing respectively expand outward to form opposing shielding portions and recessed portions. 11 .