CN101227042B

CN101227042B - Electric connector and manufacturing method thereof

Info

Publication number: CN101227042B
Application number: CN2007100195902A
Authority: CN
Inventors: 顾浩; 郑启升; 胡伦松; 罗灿钟; 陈光前; 王勇刚
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Fuyu Electronic Technology Huaian Co Ltd
Priority date: 2007-01-17
Filing date: 2007-01-17
Publication date: 2012-03-21
Anticipated expiration: 2027-01-17
Also published as: CN101227042A

Abstract

The invention discloses an electric coupler and the method for preparation, which comprises a dielectric body, a plurality of conduction terminals which are received in the dielectric body and a fore-hiding casing which is embedded on the external of the dielectric body, wherein the fore-hiding casing is provided with a first adjoiner and a second adjoiner which are butt-joint with each other, and the butt-joint positions between the first adjoiner and the second adjoiner are fixed in together via welding, thereby being capable of improving steadiness of the fore-hiding casing and prolonging life time of the electric coupler.

Description

Electric connector and manufacturing approach thereof

[technical field]

The present invention is relevant a kind of electric connector and manufacturing approach thereof of improving electric connector shielding casing steadiness.

[background technology]

The prior art relevant with this case can be announced patents such as No. 2307373 and No. 2346088 with reference to Chinese patent, it has disclosed a kind of electric connector, is electrically connected to include shielding casing; The shielding casing roof is to be connected together by the two halves roof, and the mutual fixing setting that joint has no between the two halves roof, along with increasing of electric connector grafting number of times; The shielding casing roof is easy to the left and right direction and splits, and forms dislocation, and electric connector was lost efficacy; Relevant manufacturer is then arranged for increasing fixed effect between two half, be provided with lug, the dovetail groove of mutual buckle respectively at two half joints, can announce 3147618D number and United States Patent (USP) announces the 6th with reference to Chinese patent; 475, No. 033 etc., along with increasing of electric connector grafting number of times; Banjo pushes diapire downwards; Cause the diapire cracking easily, Given this, be necessary above-mentioned electric connector is improved to overcome above-mentioned defective.

[summary of the invention]

The object of the present invention is to provide a kind of electric connector and manufacturing approach thereof of improving the shielding casing steadiness.

For realizing above-mentioned purpose; The present invention can adopt following technical scheme: a kind of electric connector; It comprises insulating body at least, is contained in the conducting terminal in the insulating body and is installed on the preceding shielding casing on the insulating body; Preceding shielding casing is provided with first junction surface and second junction surface of mutual butt joint, and first junction surface is fixed by welding in the position that second junction surface connects.

For realizing above-mentioned purpose, the present invention also can adopt following technical scheme: a kind of electric connector making method, and it comprises the steps: to provide insulating body; Conducting terminal is provided, and conducting terminal has contact site and weld part, and conducting terminal is contained in the insulating body; The preceding shielding casing that is formed by metal material is provided, and this preceding shielding casing comprises first junction surface and second junction surface, and first junction surface is fixed by welding in the position that second junction surface connects; At last preceding shielding casing is installed on the insulating body.

Compared to prior art; First junction surface of the preceding shielding casing of electric connector of the present invention and the position that second junction surface connects are through welding; Both are fixed together reliably and are connected as a single entity, and preceding shielding casing steadiness improves, and has also prolonged the useful life of electric connector.

[description of drawings]

Fig. 1 is the stereogram of the electric connector made of the present invention.

Fig. 2 is another angle stereogram of the electric connector made of the present invention.

Fig. 3 is the three-dimensional exploded view of the electric connector made of the present invention.

Fig. 4 is another angle three-dimensional exploded view of the electric connector made of the present invention.

Fig. 5 is the stereogram of shielding casing before the electric connector made of the present invention.

[embodiment]

Please referring to figs. 1 through shown in Figure 5; Electric connector 100 of the present invention is arranged on the circuit board and plugs for butt connector, and it comprises insulating body 1, be contained in plurality of conductive terminals 2 in the insulating body 1, be coated on insulating body 1 outside preceding shielding casing 3, middle shielding casing 4 and back shielding casing 5.

Insulating body 1 has a base portion 10; Be provided with some grooves 111,131 and projection 132 in the top 11 and relative 13 rear ends, both sides of base portion 10 respectively; Extend the central dividing plate 14 that laterally arranges forward and lay respectively at the buttcover plate 15 of central dividing plate 14 upper and lowers from base portion 10 front surfaces 102; In addition, also extend the base plate 16 that is parallel to central dividing plate 14 forward in base portion 10 bottoms 12; Lower surface at buttcover plate 15 is provided with some accepting grooves 152, and these accepting grooves 152 level backward run through base portion 10 and are formed with some path 10s 1 of accommodating; At base portion 10 front surfaces 102 and be positioned at central dividing plate 14 upper and lower surface location places and be provided with the inserting groove 103 that extends back.

Contact site 21 and weld part 23 that conducting terminal 2 comprises holding parts 22, extends forward from

holding parts

22,23 of weld parts are to bend backward to extend from holding parts 22 to form and protrude out outside insulating body 1 bottom 12, to electrically connect with circuit board (not shown).

Preceding shielding casing 3 is to form by a plane sheet metal is folding; The relative two side 33 that it comprises roof 31, diapire 32, link to each other with diapire 32 with roof 31 and enclose the receiving space 34 that forms by roof 31, diapire 32 and sidewall 33; Receiving space 34 front opening places are provided with the antelabium 342 that turns up; Wherein, Diapire 32 is located at preceding shielding casing 1 front portion; It is made up of the first half diapires 321 that are distributed in position, the left and right sides and the second half diapires 322, and

first junction surface

323 and 326, the first junction surfaces 323, second junction surface, second junction surface 326 that the first half diapires 321 and the second half diapires 322 are provided with mutual butt joint are lug, the dovetail groove of mutual buckle in the present embodiment; First junction surface 323 and second junction surface, 326 joints 324 are connected as a single entity after also through welding the first half diapires 321 and the second half diapires 322 being fixed together, and preceding shielding casing 3 rear portions are that receiving space 34 is to the opening shape that extends below; Be provided with the retaining sheet 310,330 that extends into receiving space 34 at roof 31 and sidewall 33 corresponding insulating body 1 grooves 111,131 positions, corresponding insulating body 1 projection 132 positions are provided with and lack 332 in sidewall 33 rear ends; Also be provided with square opening 314,334 at preceding shielding casing 3 roofs 31 and sidewall 33, preceding shielding casing 3 rear ends also are provided with from the two side 33 to the fixing pin 333 that extends below; Set shell fragment 45 actings in conjunction of some shell fragments 315,325,335 and middle shielding casing 4 upper and lower surfaces are set and in when butt joint and corresponding butt connector (not shown) good location respectively at 3 four sidewalls of preceding shielding casing; Middle shielding casing 4 upper and lower surfaces also are provided with the Plug Division 42 that extends back.

Back shielding casing 5 top bendings go out two angles 52 corresponding to preceding shielding casing 3 square openings 314; Also square opening 334 positions on corresponding its preceding shielding casing 3 sidewalls 33 in lower end, shielding casing 5 both sides, back are provided with a protuberance 530 along respectively bending out a shell fragment 53 perpendicular to surperficial 50 directions in back on this shell fragment 53.

When electric connector 100 of the present invention is assembled; At first conducting terminal 2 is contained in forward in the insulating body 1; Its holding parts 22 is immobilizated in accommodating in the path 10 1 on insulating body 1 base portion 10, and contact site 21 extends forward and is arranged side by side in the accepting groove 152 of 15 lower surfaces is pulled in butt joint, and weld part 23 is located at insulating body 1 rear portion and is extended insulating body 1 bottom 12; Middle shielding casing 4 upper and lower surfaces are coated on the central dividing plate 14, its Plug Division 42 is plugged in insulating body 1 inserting groove 103 again; Secondly; Insulating body 1 is mounted in preceding shielding casing 3 receiving spaces 34; Base plate 16 is coated on preceding shielding casing 3 diapires 32 outsides, the retaining sheet 310,330 on preceding shielding casing 3 each sidewall and the breach 332 of rear end respectively with insulating body 1 on the groove 111,131 and the projection 132 of correspondence position cooperatively interact; At last, back shielding casing 5 is coated on insulating body 1 rear portion, the protuberance 530 on its angle that extends forward 52 and the shell fragment 53 cooperates with the square opening 314,334 of preceding shielding casing 3 roofs, 31 rear ends and sidewall 33 lower ends respectively.

The manufacturing approach of electric connector 100 of the present invention, it comprises the steps: to provide insulating body 1, and insulating body 1 has buttcover plate 15, central dividing plate 14, the base plate 16 that extends forward; Plurality of conductive terminals 2 is provided; Conducting terminal 2 has contact site 21 and weld part 23; Conducting terminal 2 is contained in the insulating body 1, and its contact site 21 is arranged side by side in the accepting groove 152 of buttcover plate 15 lower surfaces, and weld part 23 extends insulating body 1 bottom 12 downwards; The preceding shielding casing 3 that is folded to form by plane sheet metal is provided; It comprises roof 31, diapire 32 and relative two side 33; Diapire 32 comprises half diapire 321,322 of two separation; Said half diapire 321,322 comprise first junction surface 323 of mutual butt joint and the position (being joint 324) that 326, the first junction surfaces 323, second junction surface connect with second junction surface 326 be fixed by welding in be connected as a single entity after, more preceding shielding casing 3 is coated on insulating body 1 outside; Back shielding casing 5 is provided, it is installed on the insulating body 1.

Utilize welding fixing after first junction surface 323 and second junction surface 326 are fastened togather each other again, and first junction surface 323 and second junction surface 326 are connected as a single entity, diapire Final 32 degree is more firm; The present invention also can adopt laser welding, laser welding be with the laser beam that can focus on as welding energy, be applicable to the welding between identical and different metal material; When high intensity laser beam is radiated on the materials to be welded surface; Part luminous energy will be transformed into heat energy by absorbed, make material melts, thereby reach the purpose of welding; Compared to common welding; Laser beam welding is of short duration, and can omit scolder, have attractive in appearance, speed is fast, efficient is high, distortion is little, reliability is high, cost is low, can weld refractory material and can carry out advantages such as miniature welding.

Claims

1. electric connector; It comprises insulating body, is contained in the conducting terminal in the insulating body and is installed on the preceding shielding casing on the insulating body; Before shielding casing comprise in order to the receiving space of accommodating butt connector and be located in the diapire of receiving space bottom; Diapire is provided with first junction surface and second junction surface of mutual butt joint; Said first junction surface and second junction surface are respectively lug, the dovetail groove of mutual buckle, it is characterized in that: the joint that first junction surface and second junction surface connect is fixed together through laser welding, and said joint is two places that are provided with at interval.

2. electric connector according to claim 1 is characterized in that: said joint only depends on the front end of nearly receiving space.

3. electric connector according to claim 1 is characterized in that: the sidewall that shielding casing comprises roof, links to each other with diapire with roof before said.

4. electric connector according to claim 3 is characterized in that: form said receiving space between said roof, diapire, sidewall.

5. electric connector according to claim 1 is characterized in that: said insulating body is provided with central dividing plate and the buttcover plate that extends forward, and conducting terminal is arranged side by side the side at buttcover plate.

6. electric connector according to claim 5 is characterized in that: said electric connector also comprises the middle shielding casing that is retained on the insulating body and is coated on the central dividing plate outside.

7. electric connector making method, it comprises the steps: to provide insulating body; Conducting terminal is provided, and conducting terminal has contact site and weld part, and conducting terminal is contained in the insulating body; The preceding shielding casing that is formed by metal material is provided; Before shielding casing comprise in order to the receiving space of accommodating butt connector and be located in the diapire of receiving space bottom; Diapire comprises first junction surface and second junction surface of mutual butt joint; Said first junction surface and second junction surface are respectively lug, the dovetail groove of mutual buckle; The joint that first junction surface and second junction surface connect is fixed together through laser welding, and between first and second junction surface, forms two pads at interval; At last preceding shielding casing is installed on the insulating body.

8. electric connector making method as claimed in claim 7 is characterized in that: said pad only depends on the front end of nearly receiving space.