CN1319214C

CN1319214C - Electric connector

Info

Publication number: CN1319214C
Application number: CNB031230229A
Authority: CN
Inventors: 马浩云
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: 2003-04-26
Filing date: 2003-04-26
Publication date: 2007-05-30
Anticipated expiration: 2023-04-26
Also published as: CN1540802A

Abstract

The present invention discloses an electrical connector for electrically connecting two circuit boards, comprising a first connector and a second connector docked with each other, wherein the first connector comprises a first body and a first male terminal and a first female terminal accommodated in the first body, a plurality of first grooves arranged in parallel with each other are evenly arranged on an outer surface of the first body, thereby forming a first protrusion between two adjacent grooves, and the first male terminal and the first female terminal are respectively embedded in two opposite inner side walls of the first grooves, and the first male terminal and the first female terminal are respectively embedded in two side walls of the first protrusion; the structure of the second connector is exactly the same as that of the first connector, the first connector docks with the second connector and connects with the corresponding circuit boards respectively, thereby realizing that two connectors of the same structure dock with each other and connect the two circuit boards, thereby reducing manufacturing complexity and production costs.

Description

Electric connector

[technical field]

The invention relates to a kind of electric connector, refer to a kind of electric connector that electrically connects two circuit boards especially.

[background technology]

Generally include first connector and second connector that is installed on respectively on two circuit boards in order to the electric connector that electrically connects two circuit boards, this first connector docks mutually with second connector, to realize being electrically conducted between two circuit boards.Along with the development of electronic industry, the high-frequency high-speed transmission performance of electric connector to be had higher requirement, industry realizes this performance by increasing the terminal board number to increase number of terminals usually.

See also Fig. 4, be to disclose a kind of existing electric connector, it comprises first connector 6 and second connector of installing respectively on various boards 7, wherein first connector 6 is strip side's body structure, surface thereof is concaved with a strip groove 61 along longitudinally, is embedded with some the first terminals 62 respectively relatively on two relative lengthwise madial walls of this groove 61; Second connector 7 also is a strip structure, it is provided with a projection 71 along longitudinally, this projection 71 two relatively the outside be embedded with some second terminals 72 respectively, and the spacing of two relative lateral surfaces that should projection 71 and the relative inner wall spacing of first connector, 6 grooves 61 adapt.In addition, the first terminal 62 and second terminal 72 extend from a side of first connector 6 and second connector 7 respectively, and are welded with tin ball 8 to connect with circuit board.

During butt joint, the projection 71 of second connector 7 is inserted in the groove 61 of first connector 6, at this moment, second terminal 72 of second connector 7 and first connector, 6 corresponding the first terminals 62 are flexibly connected, thereby electrically connect the circuit board that is connected with respectively on first connector 6 and second connector 7.

But, the spacing that the tin ball that adjacent second terminal 72 is connected on the spacing that the tin ball that is connected on the adjacent the first terminal 62 of this first connector 6 is 8 and second connector 7 is 8 is different, particularly when conducting terminal is many rows, its spacing is measured side on production line comparatively complicated, and first connector 6 needs to adopt different moulds with second connector 7, make comparatively complexity, the production cost height.Relevant patent please refer to United States Patent (USP) the 5th, 882, and No. 212,5,915, No. 976 and 6,155, No. 886.

[summary of the invention]

The purpose of this invention is to provide a pair of same structure that has, and dock to electrically connect the electric connector of two circuit boards mutually.

The invention relates to a kind of electric connector, be in order to electrically connect two circuit boards, it comprises first connector and second connector of mutual butt joint, wherein first connector includes first body and is placed in first intrinsic first male terminal and first female terminal, some first grooves that are arranged parallel to each other evenly are set on one outer surface of this first body, thereby between two adjacent grooves, form first projection, and first male terminal is embedded at respectively on the two relative madial walls of these first grooves with first female terminal, first male terminal and first female terminal are embedded at the two side of first projection respectively simultaneously, that is, first male terminal and first female terminal are to arrange with interlace mode on the madial wall of above-mentioned some grooves; The structure of second connector and first connector are identical, and it includes second body and is placed in second intrinsic second male terminal and second female terminal, and second body also comprises second groove and second projection; During butt joint, first projection of first connector is inserted in second groove of second connector, second projection of second connector is inserted in first groove of first connector, and first male terminal and second female terminal, first female terminal and second male terminal connect, thereby realize docking and connect two circuit boards mutually, reduce and make complexity and production cost with homostructural two connectors.

Compared with prior art, advantage of the present invention is: first connector and second connector construction are identical, only need a mold during manufacturing, and the terminal pitch of the amount of being convenient to side two connectors, make complexity and production cost thereby reduce.

[description of drawings]

Fig. 1 is the exploded perspective view of electric connector of the present invention.

Fig. 2 is the cutaway view before first connector of electric connector of the present invention cooperates with second connector.

Fig. 3 is first connector of electric connector of the present invention and cutaway view after second connector cooperates.

Fig. 4 is the cutaway view before first connector of electric connector related to the present invention cooperates with second connector.

[embodiment]

See also Fig. 1 to Fig. 3, electric connector 1 of the present invention is in order to electrically connecting two circuit boards (not shown), and it comprises installs respectively on two circuit boards and first connector 2 and second connector 3 of butt joint mutually.

First connector 2 includes first body 21 and is placed in first male terminal 22 and first female terminal 23 in first body 21, wherein first body 21 includes interface 210 that docks with second connector 3 and the installed surface 211 that connects with the related circuit plate, some first grooves 2101 that are arranged parallel to each other evenly are set on this interface 210, thereby make the body part between the madial wall of two adjacent grooves 2101 form first protruding 2102, that is respectively corresponding adjacent two first grooves, the 210 mutual two close madial walls of two lateral walls of these first projectioies 2102.In addition, the spacing between the 210 liang of relative madial walls of the width and first groove between 2102 liang of lateral walls of first projection equates.

First male terminal 22 is embedded at respectively on the two relative madial walls of these first grooves 210 with first female terminal 23, and lay respectively at simultaneously on the relative two sides of same first projection 211, that is, first male terminal 22 is arranged on the different madial walls of above-mentioned some grooves 210 with interlace mode respectively with first female terminal 23.

First male terminal 22 is similar L shaped structure, it comprises the strip contact site be close on groove 210 madial walls 221 and vertical with this contact site 221 and protrude out the installation portion 222 of another opposing outer face of first body 21, is welded with tin ball 4 on this installation portion 222 to connect with circuit board.

First female terminal 23 is embedded on another opposite flank of first groove 210 near the part of installed surface 211, and pass installed surface 211 with welding tin ball, and its end near interface 210 is provided with hook-shaped first junction 231, these first junction, 231 parts protrude out the medial surface that first female terminal 23 is embedded, to connect with butt connector 3, and the part of corresponding first junction 231 of this medial surface is concaved with a short slot, accommodates first junction 231 and its deformation space is provided with part.

The structure of second connector 3 and first connector 2 are identical, and it also includes second body 31 and is placed in second male terminal 32 and second female terminal 33 in second body 31.Second body 31 also is provided with second projection 3102 of 3101 of second groove 3101 and adjacent second grooves, second male terminal 32 and second female terminal 33 are embedded at respectively on two relative inner walls of second groove 3101, and second female terminal 33 is provided with elasticity second junction 331 and protrudes out this madial wall.

During butt joint, the interface of first connector 2 and second connector 3 is staggered relatively, and the appropriate location of staggering, first projection 2102 of first connector 2 is inserted in second groove 3101 of second connector 3, second projection 3102 of second connector 3 is inserted in first groove 2101 of first connector 2, because the spacing between the 210 liang of relative madial walls of the width and first groove between 2102 liang of lateral walls of first projection equates, and first connector 2 is identical with second connector, 3 structures, promptly the ledge width of two butt connectors and groove madial wall spacing adapt, thereby first male terminal 22 be crimped on elasticity second junction 331 of second female terminal 33, second male terminal 32 is crimped on first female terminal 23 simultaneously, thereby realize being electrically conducted of first connector 2 and second connector 3, and then electrically connect two circuit boards.

By electric connector 1 design of the present invention, can realize docking mutually, and then connect the effect of two circuit boards with homostructural first connector 2 and second connector 3.This design only needs to use a mold, and the amount of being convenient to side respectively arranges the spacing between the tin ball, can effectively reduce production costs and makes complexity.

Claims

1. An electrical connector, which includes a first connector and a second connector docked with it, wherein the first connector includes a first body and a first male terminal and a first female terminal accommodated in the first body terminal, the first body is provided with a mating surface that is mated with the second connector and a mounting surface opposite to the mating surface, and a plurality of first grooves arranged in parallel with each other are provided on the mating surface of the first body, so that two adjacent A first protrusion is formed between the grooves, and the feature is that the second connector includes a second body, a second male terminal and a second female terminal with the same structure as the first connector, and the second body includes a second body with the same structure as the first connector. The second groove and the second protrusion with the same structure, wherein the first male terminal and the first female terminal are respectively arranged on the two opposite inner side walls of each first groove, and at the same time, on the two side walls of each first protrusion The first male terminal and the first female terminal are respectively provided; when the first connector is mated with the second connector, the first protrusion of the first connector is inserted into the second groove of the second connector, and the first protrusion of the second connector is inserted into the second groove of the second connector. The two protrusions are inserted into the first groove of the first connector, so that the first male terminal is connected with the second female terminal, and the first female terminal is connected with the second male terminal.

2. The electrical connector as claimed in claim 1, wherein the first male terminal comprises a contact portion and a mounting portion protruding from the mounting surface of the first body.

3. The electrical connector according to claim 2, wherein the contact portion of the first male terminal is embedded in a strip shape on the sidewall of the first groove.

4. The electrical connector according to claim 2, wherein solder balls are welded on the mounting portion of the first male terminal.

5. The electrical connector as claimed in claim 1, wherein the first female terminal passes through the mounting surface and is soldered with solder balls.

6. The electrical connector according to claim 4 or 5, wherein the distances between the rows of solder balls on the mounting surface are equal.

7. The electrical connector as claimed in claim 1, wherein the first female terminal comprises a conducting portion, and the conducting portion protrudes from an inner surface on which the first female terminal is embedded.

8. The electrical connector as claimed in claim 7, wherein a notch is recessed on the side where the first female terminal is located.

9. The electrical connector as claimed in claim 1, wherein the width of the first protrusion is equal to the distance between two opposite inner sidewalls of the first groove.