CN202395215U

CN202395215U - Board-to-board connector

Info

Publication number: CN202395215U
Application number: CN2011205767628U
Authority: CN
Inventors: 陈忠; 付会英; 刘竹瑞; 张瑞明
Original assignee: FUGANG ELECTRONIC (TIANJIN) Co Ltd; Cheng Uei Precision Industry Co Ltd
Current assignee: FUGANG ELECTRONIC (TIANJIN) Co Ltd; Cheng Uei Precision Industry Co Ltd
Priority date: 2011-12-16
Filing date: 2011-12-16
Publication date: 2012-08-22
Anticipated expiration: 2021-12-16

Abstract

The utility model provides a board-to-board connector which comprises a socket and a plug. The socket comprises a socket body, a socket terminal, a welding aid piece and a clamp terminal, wherein the bottom plate, the two side walls and a stop wall of the socket body form an insertion space; the clamp terminal comprises a clamp piece and an elastic part; the clamp piece is mounted on the side wall; the welding aid piece comprises base pieces and a limiting piece; the base pieces are mounted on the side wall and the stop wall; and the elastic part and the limiting piece extend into the insertion space. The plug comprises a plug body; the lower parts of the two end surfaces of the bottom wall of the plug body extend outwards out of the clamp plates respectively; one clamp plate is provided with a positioning groove, and the other clamp plate is provided with an avoiding groove; the plug is inserted into the insertion space; the elastic part slides through the positioning groove and is placed against the side surface of the clamp plate; the limiting piece is placed against the upper surface of the clamp plate; and the elastic part and the limiting piece of one welding aid piece can vertically pass through the positioning groove and the avoiding groove. Through the utility model, the plug can be matched and inserted with the socket in the vertical or horizontal direction.

Description

Board to board connector

Technical field

The utility model relates to a kind of connector construction, relates in particular to the board to board connector that a kind of plug can be plugged in socket in level or vertical direction.

Background technology

In consumption electronic products, usually need electrically connect two parallel circuit boards, based on this kind needs, board to board connector arises at the historic moment.Board to board connector generally is made up of plug and socket, and is furnished with plug terminal and female terminal respectively in the plug and socket.Plug terminal electrically contacts with a printed circuit board (PCB) respectively with an end of female terminal, and the other end is electrically connected to each other, thereby realizes the electric connection between two parallel circuit boards.

Along with the miniaturization of consumption electronic products, board to board connector also tends to miniaturization further, according to different occasion demands, or is confined to the internal structure of electronic product, the board to board connector that needs a kind of plug to cooperate from level or vertical direction with socket.Yet when the plug and socket of existing board to board connector cooperatively interacted, plug was pegged graft in the socket vertical direction, and can not peg graft from horizontal direction, can not meet the needs of production.

The utility model content

The purpose of the utility model is the defective that exists to prior art provides a kind of board to board connector that makes that plug can be pegged graft in the vertical direction or the horizontal direction of socket with not enough.

For realizing above-mentioned purpose, the utility model provides a kind of board to board connector, reaches the plug that is electrically connected with socket by socket and forms.Socket comprises jack body, be fixedly arranged on several female terminals on this jack body, several help weld tabs and at least one to fix terminal; Jack body has a base plate; The convex respectively side wall that stretches out of base plate opposite end; Protrude out the backstop wall on base plate one side direction, this base plate, side wall and backstop circummure become a grafting space; Fix terminal and be installed on the side wall, help weld tabs to be installed on side wall and the backstop wall, wherein, fix terminal and comprise a vertical tabular card, the front portion of card bends extension one elastic portion after bending extension backward again, and elastic portion stretches in the grafting space; Help weld tabs to comprise vertically tabular substrate, the upper limb middle part of substrate bends inwards and extends a banking stop, and banking stop stretches in the grafting space; Plug comprises header body and is fixedly arranged on the plug terminal on the header body; Header body comprises a diapire; Diapire both ends of the surface bottom outwards protrudes out respectively and forms the clamp of a thickness less than bottom wall thickness; Wherein the corresponding elastic portion place that is installed on the fixing terminal on the side wall offers a location notch on the clamp of an end, and the front and back cell wall of location notch is outward extending inclined-plane, and the corresponding banking stop place that helps weld tabs that is installed on another side wall wherein offers one and dodges groove on the clamp of the other end; Wherein, Plug is plugged in the grafting space; The elastic portion of card slips over the inclined-plane of location notch and is resisted against the clamp side surface, helps the banking stop of weld tabs to fasten in the clamp upper surface, location notch with dodge groove and can hold elastic portion and wherein one help the banking stop of weld tabs vertically to pass through.

In sum, the utility model board to board connector makes plug cooperate grafting in the horizontal or vertical direction of socket through fixing terminal and helping weld tabs and location notch and dodge cooperating of groove.And the utility model board to board connector volume is little, reduces the inner space between the circuit board.

Description of drawings

Fig. 1 is the utility model board to board connector three-dimensional combination figure.

Fig. 2 is the utility model board to board connector three-dimensional exploded view.

Fig. 3 is the more detailed exploded view of the utility model board to board connector shown in Figure 1.

Fig. 4 is the state diagram of the socket and plug of the utility model board to board connector when cooperating.

Each description of reference numerals is following among the figure.

Socket 1 jack body 11

Base plate 111 female terminal grooves 1111

Accepting groove 1112 side walls 112

Draw-in groove 1121 helps weld groove 1122

The 1123 backstop walls 113 of slotting

Help weld groove 1131 flutings 1132

Female terminal 12 first connecting portions 121

First contact site, 122 first weld parts 123

Fix terminal 13 cards 131

Elastic portion 132 helps weld tabs 14

Substrate 141 banking stops 142

Welding foot 143 plugs 2

Header body 21 diapires 211

Clamp 212 location notchs 2121

Projection 2122 is dodged groove 2123

Plug terminal 22 second contact sites 221

Second weld part 222.

Embodiment

By the technology contents, the structural feature that specify the utility model, realized purpose and effect, know clearly below in conjunction with execution mode and conjunction with figs. and give explanation.

See also Fig. 1 and Fig. 2, the utility model board to board connector comprises socket 1 and the plug 2 of pegging graft and cooperating with socket 1.Socket 1 is installed on respectively on the circuit board (not shown) with plug 2, thereby is connected with circuit on the circuit board, and the grafting through 2 of socket 1 and plugs cooperates to make between two printed circuit board (PCB)s and reaches electric connection again.

See also Fig. 2 and Fig. 3, said socket 1 comprises jack body 11, be fixedly arranged on several female terminals 12 in this jack body 11, be installed on the jack body 11 at least one (in the present embodiment being one) fixes terminal 13 and four and helps weld tabs 14.Said jack body 11 roughly is rectangular-shaped; It has a flat base plate 111; From the convex respectively side wall 112 that stretches out of base plate 111 opposite ends; Base plate 111 1 side two ends are faced by the convex respectively backstop wall 113 that stretches out of each side wall 112, and this base plate 111, side wall 112, backstop wall 113 surround a grafting space (figure does not show).Offer the female terminal groove 1111 of several and grafting spatial communication on the base plate 111, be used to accommodate female terminal 12.One side wall, 112 middle inside are offered a draw-in groove 1121; One end of base plate 111 also offers the accepting groove 1112 of a connection draw-in groove 1121; Draw-in groove 1121 and accepting groove 1112 all with the grafting spatial communication, offer on both walls 112 and the backstop wall 113 run through up and down be " T " shape help weld groove 1122,1131.Particularly, offer one respectively on wherein a side wall 112, the backstop wall 113 of jack body 11 and help

weld groove

1122,1131, offer two before and after on another side wall 112 of jack body 11 to help weld groove 1122.And both walls 112 runs through with backstop wall 113 upper surfaces and helps weld

groove

1122,1131 fluting that madial wall inwardly offers and the space of pegging graft is connected 1123,1132.

Please continue and consult Fig. 2 and Fig. 3, said female terminal 12 comprises that one is one first contact site, 122, the first connecting portions, 121 front portions that extend back, tabular first connecting portion, 121, the first connecting portions, 121 rear portions and extends one first weld part 123 forward.Wherein, female terminal 12 is shaped on the jack body 11, and first contact site 122 stretches out in the female terminal groove 1111, and first weld part 123 stretches out in outside the jack body 11.

Please continue and consult Fig. 2 and Fig. 3, said fixing terminal 13 is installed on wherein on the side wall 112, fixes terminal 13 and comprises a vertical tabular card 131, and the front portion of card 131 bends after the extension bending extension one elastic portion 132 more backward.Wherein, card 131 is fastened in the draw-in groove 1121, and elastic portion 132 stretches in the grafting space, and elastic portion 132 lower ends are limited in the accepting groove 1112.

Please continue and consult Fig. 2 and Fig. 3; The said weld tabs 14 that helps is installed on side wall 112 and the backstop wall 13, helps weld tabs 14 to comprise to bend inwards at tabular substrate 141, substrate 141 a upper limbs middle part welding foot 143 that the lower edge middle part of an extended banking stop 142 and substrate 141 extends outward.During assembling, substrate 141 is fastened in and helps in the

weld groove

1122,1131, and banking stop 142 is fastened in the

fluting

1123,1132 and stretches in the grafting space, and welding foot 143 is concordant with jack body 11 lower surfaces.Welding foot 143 is welded on the corresponding printed circuit board (PCB), thereby socket 1 is fixed on the printed circuit board (PCB).

Please continue and consult Fig. 2 and Fig. 3; Said plug 2 comprises header body 21 and is fixedly arranged on the plug terminal 22 on the header body 21; Header body 21 comprises a diapire 211; Diapire 211 both ends of the surface bottoms outwards protrude out respectively and form the clamp 212 of a thickness less than diapire 211 thickness; Wherein offer a location notch 2121 corresponding to elastic portion 132 places that are installed on the fixing terminal 13 on the side wall 112 on the clamp 212 of an end; And the front and back cell wall of location notch 2121 all is outward extending inclined-plane, and clamp 212 side end faces convex with a projection 2122 in the outside level of the front end of location notch 2121, and the corresponding banking stop that helps weld tabs 14 142 places that are installed on another side wall 112 wherein offer one and dodge groove 2123 on the clamp 212 of the other end.Location notch 2121 with dodge groove 2123 and can hold elastic portion 132 respectively and wherein one help the banking stop 142 of weld tabs 14 vertically to pass through.

Please continue and consult Fig. 2 and Fig. 3, said plug terminal 22 comprise one be tabular second contact site, 221, the second contact sites 221 the rear and front end all upwards outwards bending extend one second weld part 222.Wherein, plug terminal 22 is shaped on the jack body 21, and second weld part 222 stretches out in outside the jack body 21.

The utility model board to board connector, plug 2 can cooperate grafting with socket 1 in level or vertical direction.

When plug 2 cooperates with socket 1 in the horizontal direction; Plug 2 inserts the grafting space from socket 1 the place ahead; The elastic portion 132 of socket 1 is under the guiding on location notch 2121 inclined-planes; The elastic portion 132 that fixes terminal 13 slips over the inclined-plane of location notch 2121 and is resisted against the side surface of clamp 212, helps the banking stop 142 of weld tabs 14 to fasten in the upper surface of clamp 212.

When plug 2 when vertical direction cooperates with socket 1; Plug 2 inserts the grafting space from socket 1 top; With location notch 2121 with dodge groove 2123 and align with elastic portion that fixes terminal 13 132 and corresponding banking stop 142 respectively, elastic portion 132 vertical direction are passed location notch 2121, and dodge groove 2123 corresponding banking stops 142 and pass and dodge groove 2123; Thereby diapire 211 is embedded in the grafting space; Further horizontal direction advances plug 2 again, and the elastic portion 132 that fixes terminal 13 slips over the inclined-plane of location notch 2121 and is resisted against the side surface of clamp 212, helps the banking stop 142 of weld tabs 14 to fasten in the upper surface of clamp 212; By this, plug 2 is accomplished vertical direction and is plugged in socket 1.

In sum, the fixing terminal 13 of the utility model board to board connector through socket 1 and the location notch 2121 that helps weld tabs 14 and plug 2 with dodge cooperating of groove 2123, make plug 2 cooperate grafting in socket 1 horizontal or vertical direction.And the utility model board to board connector volume is little, reduces the inner space between the circuit board.

Claims

1. board to board connector; Comprise socket and the plug of pegging graft and cooperating with socket; Said socket comprises jack body, be fixedly arranged on several female terminals on this jack body, several help weld tabs and at least one to fix terminal, and said jack body has a base plate, the convex respectively side wall that stretches out of base plate opposite end; Protrude out the backstop wall on base plate one side direction, this base plate, side wall and backstop circummure become a grafting space; Said plug comprises header body and is fixedly arranged on the plug terminal on the header body; It is characterized in that: said fixing terminal is installed on the side wall; The said weld tabs that helps is installed on side wall and the backstop wall, wherein, fixes terminal and comprises a vertical tabular card; The front portion of card bends extension one elastic portion after bending extension backward again, and elastic portion stretches in the grafting space; The said weld tabs that helps comprises vertically tabular substrate, and the upper limb middle part of substrate bends inwards and extends a banking stop, and banking stop stretches in the grafting space; Header body comprises a diapire; Diapire both ends of the surface bottom outwards protrudes out respectively and forms the clamp of a thickness less than bottom wall thickness; Wherein offer a location notch corresponding to the elastic portion place that is installed on the fixing terminal on the side wall on the clamp of an end; And the front and back cell wall of location notch is outward extending inclined-plane, and the corresponding banking stop place that helps weld tabs that is installed on another side wall wherein offers one and dodges groove on the clamp of the other end; Wherein, Plug is plugged in the grafting space; The elastic portion of card slips over the inclined-plane of location notch and is resisted against the clamp side surface, helps the banking stop of weld tabs to fasten in the clamp upper surface, location notch with dodge groove and can hold elastic portion and wherein one help the banking stop of weld tabs vertically to pass through.

2. board to board connector as claimed in claim 1 is characterized in that: a said side wall middle inside offer one with the draw-in groove of grafting spatial communication, an end of base plate also offer one be communicated with draw-in groove accepting groove, draw-in groove and accepting groove all with the grafting spatial communication; Said card is fastened in the draw-in groove, and the elastic portion lower end is limited in the accepting groove.

3. board to board connector as claimed in claim 1 is characterized in that: offer the weld groove that helps that runs through up and down on said side wall and the backstop wall, and both walls and backstop wall upper surface are run through and helped the fluting that the weld groove madial wall inwardly offers and the space of pegging graft is connected; Said substrate is fastened in and helps in the weld groove, and banking stop is fastened in the fluting.

4. board to board connector as claimed in claim 3 is characterized in that: offer a said weld groove that helps on a wherein side wall of said jack body, the backstop wall respectively, offer two after another side wall of jack body is gone forward and help weld groove.

5. board to board connector as claimed in claim 1 is characterized in that: said clamp side end face convexes with a projection in the outside level of the front end of location notch.

6. board to board connector as claimed in claim 1 is characterized in that: the welding foot that the lower edge middle part of said substrate extends outward, during assembling, welding foot is concordant with the jack body lower surface.

7. board to board connector as claimed in claim 1 is characterized in that: the female terminal groove that offers several and grafting spatial communication on the said base plate; Said female terminal comprises that one is the first tabular connecting portion; The first connecting portion rear portion, one first contact site that extends back; The first connecting portion front portion is extended one first weld part forward; Female terminal is shaped on the jack body, and first contact site stretches out in the female terminal groove, and first weld part stretches out in outside the jack body.

8. board to board connector as claimed in claim 1; It is characterized in that: said plug terminal comprises that one is the second tabular contact site; The rear and front end of second contact site all upwards outwards bends extends one second weld part; Plug terminal is shaped on the jack body, and second weld part stretches out in outside the jack body.