CN2651954Y

CN2651954Y - Socket connector

Info

Publication number: CN2651954Y
Application number: CNU032434766U
Authority: CN
Inventors: 廖芳竹; 司明伦
Original assignee: Hongteng Precision Technology Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongteng Precision Technology Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2003-04-07
Filing date: 2003-04-07
Publication date: 2004-10-27
Anticipated expiration: 2013-04-07

Abstract

The utility model discloses a socket connector, which can electrically connect a chip module to a circuit board, and comprises an insulating main body and conducting terminals; a plurality of terminal accommodation grooves are opened on the insulating main body. The conducting terminal is accommodated in the terminal accommodation groove and is arranged with a retaining part and an arm part extended from the retaining part. The arm part is arranged with a contact part electrically connected with the chip module and the circuit board. The contact part is convex towards a surface of the insulating main body with a certain height. The surface of the insulating main body is arranged with a plurality of convex blocks. Height of the convex block is less than height of the conducting terminal contact part above the surface of the insulating main body.

Description

Socket connector

[technical field]

The utility model is about a kind of socket connector, refers in particular to a kind of socket connector that chip module is electrically connected to circuit board.

[background technology]

Relevant existing technology such as the 6th, 296,495 announcements of United States Patent (USP), the socket connector that chip module is electrically connected to circuit board generally are provided with insulating body and are placed in the conducting terminal of insulating body.

This socket connector 9 can see Fig. 1 for details and Fig. 2 discloses, and insulating body 91 offers several terminal storage tanks 911, and conducting terminal 92 is placed in the terminal storage tank 911.Insulating body 91 is a continuing surface 912 near the plane of chip module 8, plane near circuit board 7 is a mating surface 913, insulating body 91 offers several terminal storage tanks 911, and this terminal storage tank 911 runs through continuing surface 912 and mating surface 913, and conducting terminal 92 is placed in the terminal storage tank 911.

Conducting terminal 92 is provided with holding parts 923, first extension 921 and second extension 922, first extension 921 is provided with first contact site, 9211, the second extensions 922 that the electric conductor 81 with chip module 8 is electrically conducted and is provided with second contact site 9221 that the conducting strip 71 with circuit board 7 is electrically conducted.First contact site 9211 of conducting terminal 92 and second contact site 9221 protrude in outside relative two planes of insulating body 91, when being electrically conducted with the conducting strip 71 of the electric conductor 81 of chip module 8 and circuit board 7, after the extruding by chip module 8 and circuit board 7 strain can take place and in the indentation terminal storage tank 911.The electric conductor 81 of the elastic force extruding chip module 8 after the strains and the conducting strip 71 of circuit board 7 take place by its first contact site 9211 and second contact site 9221 in conducting terminal 92, are electrically conducted thereby reach firmly with the conducting strip 71 of the electric conductor 81 of chip module 8 and circuit board 7.

Conducting terminal 92 is not before being inserted in terminal storage tank 911, one end of its holding parts 923 links to each other with terminal material belt 6, some each and every one conducting terminals 92 are linked as a row by terminal material belt 6, when conducting terminal 92 does not plug in the terminal storage tank 911 as yet fully, promptly cut away terminal material belt 6, with smooth steel plate conducting terminal 92 is pressed into terminal storage tank 911 at last, but steel plate can only be pressed onto conducting terminal 92 concordant with continuing surface 912 or protrude in terminal storage tank 911 outer certain distances slightly, and the holding parts 923 of conducting terminal 92 can't be pressed in the terminal storage tank 911 fully.

Big because of conducting strip 71 operated by rotary motion of circuit board 7, then the conducting strip 71 of circuit board 7 contacts with the holding parts 923 of last conducting terminal 92 and the extension of back one conducting terminal 92, and the generation signal transmission errors.

If conducting terminal 92 is after being inserted in terminal storage tank 911, its holding parts 923 is near surperficial concordant for insulating body 91 of a distal process of chip modules 8, or surperficial concordant with insulating body 91.Big because of electric conductor 81 operated by rotary motion of chip module 8 then, then the electric conductor 81 of chip module 8 may contact with the holding parts 923 of last conducting terminal 92 and first contact site 9211 of back one conducting terminal 92, also signal transmission errors can take place.

[utility model content]

The purpose of this utility model is to provide a kind of chip module is electrically connected to the socket connector of circuit board, refers in particular to a kind of socket connector that can accurately connect with chip module and circuit board.

The purpose of this utility model is achieved in that this socket connector comprises insulating body and conducting terminal, and insulating body offers several terminal storage tanks, and conducting terminal is placed in the terminal storage tank.The arm that conducting terminal is provided with holding parts and extends from holding parts, arm is provided with the contact site that is electrically conducted with chip module and circuit board, and this contact site protrudes in certain altitude outside the insulating body surface.The surface of insulating body is provided with several projections, and the height of projection protrudes in the height on insulating body surface less than the contact site of conducting terminal.

Compared with prior art, the utlity model has following advantage: this electric connector is by the supporting role of projection, can make the electric conductor of chip module and the conducting strip of circuit board only electrically contact, and can not contact with the holding parts of last conducting terminal with the contact site of conducting terminal.

[description of drawings]

Fig. 1 is the existing socket connector relevant with the utility model and chip module and the circuit board schematic diagram when connecting.

Fig. 2 is the conducting terminal of the existing socket connector relevant with the utility model is pressed into the terminal storage tank of insulating body by steel plate a schematic diagram.

Fig. 3 is the three-dimensional combination figure of the utility model socket connector.

Fig. 4 is the partial enlarged drawing of the 3rd figure IV indication.

Fig. 5 is the three-dimensional combination figure of another angle of the utility model socket connector.

Fig. 6 is the partial enlarged drawing of Fig. 5 VI indication.

Fig. 7 is the utility model socket connector and chip module and the circuit board schematic diagram when connecting.

Fig. 8 is the schematic diagram that the conducting terminal of the utility model socket connector does not cut away terminal material belt when being inserted in the terminal storage tank.

Fig. 9 is the stereogram of the conducting terminal of the utility model socket connector used steel plate when being pressed into the terminal storage tank.

Figure 10 is the schematic diagram of the conducting terminal of the utility model socket connector when being pressed into the terminal storage tank by steel plate.

[embodiment]

See also Fig. 3 to Fig. 6, the utility model socket connector 1 can be electrically connected to circuit board 3 with chip module 2, the conducting terminal 12 that it comprises insulating body 11 and is placed in insulating body 11, the plane that insulating body 1 is accepted chip module 2 is a continuing surface 111, and the plane of bonded circuitry plate 3 is a mating surface 112.Insulating body 11 offers several terminal storage tanks 113, and this terminal storage tank 113 joins end to end and lines up several rows, is provided with next door 114 between the terminals of adjacent storage tank 113.This terminal storage tank 113 runs through continuing surface 111 and mating surface 112, and conducting terminal 12 is placed in the terminal storage tank 111.

Continuing surface 111 is provided with several projections between on the next door 114 of 111 of the sub-storage tanks of head and the tail adjacent both ends, this projection is a back-up block 115, and the height of this back-up block 115 is A.

Conducting terminal 12 is provided with holding parts 121, first arm 122 and second arm 123, wherein first arm 122 and second arm 123 extend respectively both sides about in the of 121 from holding parts, first arm 122 is provided with first contact site, 1221, the second arms 123 that the electric conductor 21 with chip module 2 is electrically conducted in its extending end and is provided with second contact site 1231 that the conducting strip 31 with circuit board 3 is electrically conducted in its extending end.

See also Fig. 7, Fig. 8, Fig. 9 and Figure 10, conducting terminal 12 is not before being inserted in terminal storage tank 113, one end of its holding parts 121 links to each other with terminal material belt 4, some each and every one conducting terminals 12 are linked as a row by terminal material belt 4, when conducting terminal 12 does not plug in the terminal storage tank 113 as yet fully, promptly cut away terminal material belt 4, with the steel plate 5 that is provided with raised line 51 conducting terminal 12 is pressed into terminal storage tank 113 at last, the height of the raised line 51 of steel plate 5 is greater than the height of back-up block 115, and its width is less than the spacing of adjacent two row's terminal storage tanks 113.After exerting pressure on the firm plate 5, extruding by the raised line 51 of steel plate 5, the holding parts 121 of conducting terminal 12 can be pressed onto concordant with continuing surface 111, the height that first contact site 1221 protrudes in terminal storage tank 113 is B, height B is greater than the height A of back-up block 115, and the height that second contact site 1231 protrudes in terminal storage tank 113 is C.After chip module 2 is positioned over the continuing surface 111 of socket connector 1, supporting role by back-up block 115, can make the electric conductor 21 of chip module 2 only electrically contact, and can not contact with the holding parts 121 of last conducting terminal 12 with first contact site 1221 of conducting terminal 12.

If after conducting terminal 12 is pressed into the terminal storage tank 113 of insulating body 11, if holding parts 121 protrudes in terminal storage tank 113 1 height D.Then can be convexly equipped with several on the next door 114 of 111 of the adjacent two-terminal storage tanks of mating surface 112 head and the tail and highly be the projection of E, this projection is a locating piece 116, and highly E is greater than height D, and less than height C.And can guarantee that by the supporting role of this locating piece 116 conducting strip 31 of circuit board 3 only electrically contacts with second contact site 1231 of conducting terminal 12, and can not contact with the holding parts 121 of last conducting terminal 12.

Claims

1. socket connector, chip module can be electrically connected to circuit board, it comprises insulating body and conducting terminal, insulating body offers several terminal storage tanks, conducting terminal is placed in the terminal storage tank, the arm that this conducting terminal is provided with holding parts and extends from holding parts, arm is provided with the contact site that is electrically conducted with chip module and circuit board, and this contact site protrudes in certain altitude outside the insulating body surface; It is characterized in that: the surface of insulating body is provided with several projections, and the height of projection protrudes in the height on insulating body surface less than the contact site of conducting terminal.

2. socket connector as claimed in claim 1 is characterized in that: the arm of conducting terminal comprises first arm and second arm, and wherein first arm and second arm extend respectively both sides up and down from holding parts.

3. socket connector as claimed in claim 2 is characterized in that: first arm is provided with first contact site that is electrically conducted with chip module in its extending end.

4. socket connector as claimed in claim 2 is characterized in that: second arm is provided with second contact site that is electrically conducted with circuit board in its extending end.