CN101325300A

CN101325300A - Electric connector and manufacturing method thereof

Info

Publication number: CN101325300A
Application number: CNA2007100232795A
Authority: CN
Inventors: 马文强
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: 2007-06-13
Filing date: 2007-06-13
Publication date: 2008-12-17

Abstract

The invention discloses an electrical connector and the manufacturing method thereof. The electrical connector comprises a metal shell and an elastic terminal arranged at the bottom of the metal shell, wherein a first through-hole and a second through-hole are respectively arranged in the corresponding positions of the metal shell and the elastic terminal; during assembly, the metal shell and the elastic terminal are arranged on a positioning fixture through the first through-hole and the second through-hole in sequence, and then fixed through laser spot welding; then the metal shell and the elastic terminal are taken out of the positioning fixture after the spot welding is finished; therefore, the relative positions of the metal shell and the elastic terminal are stable; the spot welding is easy, subsequent procedures are not influenced; furthermore, the size of the product is also stable.

Description

Electric connector and manufacture method thereof

[technical field]

The present invention relates to a kind of electric connector and manufacture method thereof, refer to a kind of electric connector and manufacture method thereof that electrically connects electronic component to circuit board especially.

[background technology]

Electric connector is widely used in (as mobile phone) in the electronic equipment, along with development of science and technology, people are also more and more higher to the requirement of these electronic equipments, as in mobile phone, increasing camera function, correspondingly, this electric connection camera module to the demand of the electric connector of circuit board also increases gradually, this electric connector generally comprises at least: housing and be contained in conducting terminal in the housing, its middle shell is enclosed by four sidewalls and forms, and four sidewalls form a receiving space to accommodate conducting terminal and camera module, conducting terminal is provided with the elastic contact part that extends into receiving space at least, corresponding with the elastic contact part of conducting terminal, camera module bottom is provided with conducting strip, after the camera module is assembled in the housing, the elastic contact part of conducting terminal electrically contacts with the conducting strip of camera module bottom, by this, electrically connects the camera module to circuit board.

See also shown in Figure 4, it has disclosed a kind of electric connector 1 ' that camera module 3 ' is electrically connected to circuit board (not shown) by flexible PCB 2 ', it comprises metallic housing 10 ' and flexible terminal 30 ', its middle shell 10 ' is made up of four sidewalls 12 ' and diapire 14 ', flexible terminal 30 ' in the form of sheets, place housing 10 ' diapire 14 ', comprise plate-like body portion 300 ' and from the plate-like body portion 300 ' elastic contact part 302 ' that extends to housing 10 ' sidewall 12 ' of both sides longitudinally, wherein adjacent with limit, elastic contact part 302 ' place both sides are respectively equipped with installation portion 304 ' and bend 306 ', wherein installation portion 304 ' is that a end by the body 300 ' of flexible terminal 30 ' continues to extend forward to form, bend 306 ' be the relative end of body 300 ' and the installation portion 304 ' of own elasticity terminal 30 ' forward and be bent downwardly to extend and form, housing 10 ' is provided with the groove 16 ' that holds installation portion 304 ' in flexible terminal 30 ' installation portion 304 ' correspondence position, and form an otch 18 ' in bend 306 ' correspondence position, this otch 18 ' is the zone between housing 10 ' diapire 14 ' a pair of fixing arm 20 ' that continues to extend forward, therefore, when flexible terminal 30 ' is contained in the housing 10 ', its installation portion 304 ' is contained in the groove 16 ' of housing 10 ' relevant position, and bend 306 ' places in the otch 18 ' of housing 10 ' relevant position, and by a pair of fixing arm 20 ' clamping, thus, flexible terminal 30 ' is retained on housing 10 ', again flexible PCB 2 ' and camera module 3 ' are placed in the metal shell 10 ' at last, wherein the elastic contact part 302 ' of flexible terminal 30 ' electrically contacts with the conducting element (not shown) of flexible PCB 2 ' lower surface, and the conducting element (not shown) of flexible PCB 2 ' upper surface electrically contacts with the conducting strip (not shown) of camera module 3 ' bottom, thus electrically conducting on the circuit external plate camera module 3 ' by flexible PCB 2 '.

Yet, the electric connector of this kind structure, there are some drawbacks, for example: because the fixing effect of flexible terminal 30 ' and housing 10 ' is to be fastened in the otch 18 ' by bend 306 ', installation portion 304 ' is contained in the groove 16 ' to be reached, therefore, this product is in assembling and transportation, if be subjected to extraneous bigger strength, flexible terminal 30 ' just has the trend of separating with housing 10 ', thereby cause flexible terminal 30 ' can not electrically contact, and then influence the electrical performance of this electric connector well with camera module 3 '.

For solving above-mentioned drawback, industry has been taked following measure: after flexible terminal 30 ' is assembled in the housing 10 ', itself and metal shell 10 ' are fixed up with radium-shine spot welding in the body 300 ' zone of flexible terminal 30 ' again, this measure has well solved the problems referred to above to a certain extent, but, a prerequisite must be arranged, before radium-shine spot welding, must guarantee that the position relation between flexible terminal 30 ' and the housing 10 ' is relatively stable, otherwise, flexible terminal 30 ' still can not electrically contact with camera module 3 ' well, therefore, how to guarantee position relation stable between flexible terminal 30 ' and the housing 10 ', just become the problem that industry presses for solution.

In view of above problem, be necessary to provide a kind of improved electric connector in fact, to address the above problem.

[summary of the invention]

The object of the present invention is to provide a kind of electric connector and manufacture method thereof, it can guarantee between metal shell and the flexible terminal metastable position relation and be easy to assembling.

For achieving the above object, the invention provides a kind of electric connector, by flexible PCB electronic component (as the camera module) is electrically connected to circuit board, at least comprise: metal shell and place the flexible terminal of metal shell bottom, wherein metal shell and flexible terminal correspondence position are respectively equipped with first through hole and second through hole.

For achieving the above object, the present invention also provides a kind of electric connector making method, and it may further comprise the steps at least: the metal shell step is provided, and it comprises four sidewalls and diapire, and wherein diapire is provided with first through hole; The flexible terminal step is provided, and the first through hole correspondence position of itself and metal shell is provided with second through hole; Metal shell and flexible terminal are placed on the localization tool to guarantee the metastable position of metal shell and flexible terminal relation by first through hole and second through hole; With radium-shine spot welding metal shell is retained on flexible terminal again; At last metal shell and flexible terminal are taken out from localization tool integratedly, and flexible PCB and camera module are contained in the metal shell successively.

Compared with prior art, electric connector of the present invention has the following advantages at least: because metal shell and flexible terminal are respectively equipped with first through hole and second through hole in the relevant position, therefore, during assembling, successively place localization tool on by first through hole on it and second through hole metal shell and flexible terminal, like this, the relative position of metal shell and flexible terminal is stable, be difficult for rocking, with radium-shine spot welding metal shell and flexible terminal are fixed up again, after treating that metal shell and flexible terminal are retained on together, again metal shell and flexible terminal are taken out from localization tool, and flexible PCB and camera module are placed in the metal shell, such structure, the position relation that metal shell is relative with flexible terminal is stable, is easy to assembling, and has effectively improved production efficiency.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of electric connector of the present invention, and wherein camera module and flexible PCB are still not shown.

Fig. 2 is the three-dimensional combination figure of electric connector shown in Figure 1, and wherein camera module and flexible PCB have been assembled into electric connector.

Fig. 3 is the assembling flow path schematic diagram of electric connector of the present invention,, wherein camera module and flexible PCB are still not shown.

Fig. 4 is the three-dimensional exploded view of the electric connector relevant with the present invention, and wherein camera module and flexible PCB are still not shown.

[embodiment]

Describe the embodiment of electric connector of the present invention in detail below in conjunction with accompanying drawing.

See also illustrated in figures 1 and 2ly, electric connector 1 of the present invention is electrically connected to camera module 4 on the circuit board (not shown) by flexible PCB 2, comprises metal shell 10 and places flexible terminal 30 in the metal shell 10.

Metal shell 10 through pressing and bending and one-body molded, comprises diapire 101 and the antetheca 103, the rear wall 105 that extend vertically upward from four limits of diapire 101, left wall 107 and right wall 109 by the plate-shape metal plate.Diapire 101, antetheca 103, rear wall 105, left wall 107 and the right wall 109 common receiving spaces 100 that form are to accommodate camera module 4, and left wall 107 and right wall 109 structures are identical, and rear wall 105 centre positions offer a window 1050, run through for flexible PCB 2, the crown center position of antetheca 103 becomes a recess 1030 to lower recess, picks and places to make things convenient for camera module 4.In addition, left side wall 107 and right wall 109, include the base portion 1070 of the structure that roughly is in the shape of the letter V, from the elastic portion 1072 of the two ends of base portion 1070 upper edge to receiving space 100 extensions, and the connecting portion 1074 that connects base portion 1070 and elastic portion 1072, elastic portion 1072 comprises parallel with above-mentioned base portion 1070 and is tabular holding parts 1076 and the guide portion 1078 that forms from holding parts 1076 top edge, this guide portion 1078 forms to the direction diagonally extending away from receiving space 100 from holding parts 1076 edges, and antetheca 103 and rear wall 105 correspondence positions are respectively equipped with elastic arm 1031,1051 with butt fixing camera module 4.Top edge at antetheca 103 and rear wall 105 also is provided with guide portion 1032,1052 respectively, the guide portion 1078 common assemblings that guide camera modules 4 with left wall 107 and right wall 109, in addition, bottom 101 middle positions are provided with a pair of first through hole 1012, when with radium-shine spot welding fixing metal housing 10 and flexible terminal 30 relative positions, on the localization tool 5 that this metal shell 10 can be chatted after placing by first through hole 1012, with the position of this fixing metal housing 10 and flexible terminal 30.

Flexible terminal 30, be stamped to form by plate-shape metal, integral body is herring-bone form, comprise body 300 that is connected to metal shell 10 diapires 101 and the contact site 302 that electrically contacts with the conductive spacer (not shown) of camera module 4 bottoms, wherein contact site 302 is to extend and to form and be that the center is symmetrical arranged with body 300 in two ends longitudinally from body 300, and the central authorities of body 300 and be provided with second through hole 310 with first through hole, the 1012 corresponding positions of metal shell 10, in addition, metal shell 10 offers some flutings 1010 in flexible terminal 30 contact sites 302 correspondence positions, when 4 pairs of flexible terminals of camera module 30 produce overvoltage, the contact site 302 of flexible terminal 30 can go deep in this fluting 1010, avoid contact site 302 to sustain damage, and be provided with itself and metal shell 10 holding unit of fixing (indicating) mutually in flexible terminal 30 horizontal two ends, this holding unit comprises the installation portion 304 that places flexible terminal 30 horizontal ends and the bend 306 of the other end, wherein installation portion 304 is to continue to extend forward and be with body 300 to be made of one piece from body 300 horizontal end centers, bend 306 is to continue to be bent downwardly forward and slightly to extend from the body 300 horizontal other ends to form, and metal shell 10 is provided with hole 1013 in above-mentioned installation portion 304 correspondence positions, with the bend 306 corresponding otch 1014 that are provided with, above-mentioned otch 1014 is the zones between a pair of fixing arm 1016 that extends forward of metal shell 10 diapires 101 edges, after flexible terminal 30 placed metal shell 10 diapires 101, its bend 306 was by a pair of fixing arm 1016 clampings of metal shell 10.In addition, also be provided with at least one projection 308 on the body 300 of flexible terminal 30 and produce overvoltage to prevent 4 pairs of flexible terminals of camera module 30.

Flexible PCB 2 comprises soft board 20 and places stiffener 22 on the soft board 20, soft board 20 comprise be placed in first board that is used to transmit electrical signals in the metal shell 10 (indicating) and from the window 1050 of metal shell 10 pass and with integrated second board 202 of first board, wherein the upper and lower surface of first board is respectively equipped with some conducting elements (not indicating) electrically to contact with the conductive spacer of camera module 4 bottom surfaces and the contact site 302 of flexible terminal 30, above-mentioned stiffener 22 places on first board and is " H " shape, " H " structure of this stiffener 22 has been strengthened the rigidity of flexible PCB 2, can better accept camera module 4, in order to avoid camera module 4 is in the process that is assembled into electric connector 1, perhaps in the transportation, make flexible PCB 2 be subjected to scratch and influence electrical conduction.

Camera module 4, be contained in the receiving space 100 of metal shell, comprise the substrate 40 and the body 42 that roughly are square, wherein the bottom surface of body 42 places the end face of substrate 40, and the end face of body 42 is convex to be provided with columniform protuberance 44, and the side corresponding with metal shell 10 left walls 107 and right wall 109 is respectively equipped with strip boss 46, after camera module 4 places metal shell 10, elastic portion 1072 on metal shell 10 left walls 107 and the right wall 109 place on this boss 46 and with body 42 side butts with fixing camera module 4, in addition, the position corresponding with the window 1050 of metal shell 10, camera module 4 also is provided with an auxiliary section 48 of running through protuberance 46 to body 42, play foolproof function, prevent being fit in the metal shell 10 of camera module 4 mistakes, and then improved the packaging efficiency of electric connector.

Below in conjunction with shown in Figure 3, introduce the assembling procedure of electric connector 1 of the present invention: at first flexible terminal 30 is placed in the receiving space 100 of metal shell 10, make its contact site 302 place fluting 1010 tops of metal shell 10 diapires 101, installation portion 304 places in the hole 1013 of metal shell 10, the bend 306 of an end relative with installation portion 304 places the otch 1014 that forms between a pair of fixing arm 1016 of metal shell 10 diapires 101, and by 1016 clampings of fixing arm, in addition, second through hole 310 of flexible terminal 30 bodies 300 central authorities places first through hole, 1012 tops of metal shell 10; The tool 5 of a location usefulness then is provided, and this tool 5 has and first through hole 1012 and second through hole, 310 corresponding physical form, and metal shell 10 and flexible terminal 30 are placed on the above-mentioned localization tool 5 by first through hole 1012 and second through hole 310 successively; Following, is that radium-shine spot welding is carried out in the position of symmetry with second through hole 310 on flexible terminal 30, with this fixing metal shell 10 and flexible terminal 30 again; After radium-shine spot welding is finished, again metal shell 10 and flexible terminal 30 are taken out from localization tool 5; Successively flexible PCB 2 and camera module 4 are contained in the receiving space 100 of metal shell 10 at last, and place flexible terminal 30 tops, the first board upper surface of flexible PCB 2 and the conducting element of lower surface are electrically contacted with the conductive spacer of camera module 4 bottoms and the contact site 302 of flexible terminal 30 respectively, and by the elastic portion 1072 on metal shell 10 left walls 107 and the right wall 109, elastic arm 1031 on antetheca 103 and the rear wall 105,1051 support camera module 4 corresponding sides and fixing camera module 4 in metal shell 10, at this moment, camera module 4 bottoms directly act on first board of flexible PCB 2, again because flexible PCB 2 is very soft, and flexible terminal 30 is made of metal and have certain elasticity, therefore, the conductive spacer of camera module 4 bottoms can be well with flexible PCB 2 on conducting element electrically contact, thereby electrically conducting on the circuit external plate camera module 4.

In the present embodiment, electric connector 1 of the present invention offers first through hole 1012 and second through hole 310 respectively by the relevant position at metal shell 10 and flexible terminal 30, and by above-mentioned first through hole 1012 and second through hole 310 and metal shell 10 and flexible terminal 30 are fixed on the localization tool 5, the two guarantees metastable position relation to make it, again with radium set up an office the weldering method metal shell 10 and flexible terminal 30 are retained on together, after spot welding is finished, again metal shell 10 and flexible terminal 30 are taken out from localization tool 5, such fixing mode and method, make metal shell 10 and flexible terminal 30 fixing better, thereby the electrical conduction of whole electric connector is good.

The above is a kind of execution mode for inventing only, it or not whole or unique execution mode, the variation of any equivalence that those of ordinary skills take technical solution of the present invention by reading specification of the present invention is claim of the present invention and contains.

Claims

1. electric connector, comprise metal shell and place the flexible terminal of metal shell bottom, it is characterized in that: metal shell and flexible terminal are respectively equipped with first through hole and second through hole in the relevant position, so that with tool and by above-mentioned first through hole and second through hole and exactly with metal shell and flexible terminal location.

2. electric connector as claimed in claim 1 is characterized in that: described metal shell and flexible terminal are fixed by radium-shine spot welding.

3. electric connector as claimed in claim 2, it is characterized in that: described metal shell comprises diapire and make progress vertically extending antetheca, rear wall, Zuo Bi and You Bi around diapire, flexible terminal comprises the body that places the metal shell diapire and places the contact site of body both sides.

4. electric connector as claimed in claim 3 is characterized in that: described metal shell bottom is provided with some flutings, and the contact site of above-mentioned flexible terminal is directly over fluting.

5. electric connector as claimed in claim 1 is characterized in that: described flexible terminal is provided with the holding unit with the metal shell fixing, comprises the installation portion and the bend relative with installation portion that place the horizontal end of flexible terminal.

6. electric connector as claimed in claim 5 is characterized in that: described metal shell diapire is provided with the hole corresponding with the installation portion of flexible terminal, and in the otch that is provided with of bend correspondence.

7. electric connector as claimed in claim 6 is characterized in that: one side that described metal shell is relative with above-mentioned hole continues to be extended with a pair of strip fixing arm forward, and the otch of accommodating the flexible terminal bend is the zone of clamping between the above-mentioned a pair of fixing arm.

8. electric connector making method may further comprise the steps:

A., the metal shell step is provided, and this metal shell comprises diapire, antetheca, rear wall, Zuo Bi and You Bi, and wherein diapire is provided with first through hole;

B., the flexible terminal step is provided, and this flexible terminal and the metal shell first through hole correspondence position are provided with second through hole;

C. above-mentioned metal shell and flexible terminal are placed on the localization tool by first through hole and second through hole;

D. metal shell and flexible terminal are retained on together with radium-shine spot welding;

E. metal shell and flexible terminal are taken out from localization tool.