CN2891336Y

CN2891336Y - Electric connector

Info

Publication number: CN2891336Y
Application number: CNU2006200727479U
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: 2006-04-20
Filing date: 2006-04-20
Publication date: 2007-04-18
Anticipated expiration: 2016-04-20

Abstract

The utility model discloses an electric adapter comprising a long stem insulator and a plurality of conduction terminals, wherein the insulator is provided with a plurality of side panels and a conductive area with a plurality of terminal grooves for terminals, the conductive area is provided with an upper surface for supporting the chip module, the area between the surface and the side panels is a projected plate, and projections extending vertically to the surface are provided between the grooves, the projections consists of a first projection and a second projection, the first projection is lower than the second projection, and has the same height with the projected plate. When the chip module is electrically connected with the electric adapter by a downward acting force, the second projection can bear the downward acting force with the projected plate and scatter the force, thereby the imperfect contact between the chip module and the electric adapter by shape distortion of the chip caused by the over downward acting force can be avoided.

Description

Electric connector

[technical field]

The utility model is about a kind of electric connector, refers to a kind of in order to electrically connect the electric connector of planar grid chip module and circuit board especially.

[background technology]

Electric connector of planar grid array is widely used in electronic applications, in order to chip module is electrically connected to circuit board.As promptly having disclosed this kind technology in " Nonlinear Analysis Helps Design LGA Connectors " (ConnectorSpecifier, Februray 2001).This electric connector generally comprises an insulating body and is contained in plurality of conductive terminals in this insulating body, and United States Patent (USP) announces the 4th, 504, and 105,4,621,884,4,692,790,5,302,853 and 5,344, also disclosed this structure No. 334.But, there be locating of disappearance in the structure of these prior aries, as shown in Figure 1, existing electric connector 6 mainly comprises a square insulating body 60 and is contained in plurality of terminals 61 in this insulating body 60, this terminal 61 is connected with terminal carrier strip 610, and insulating body 60 is a square structure, it has two relative the first side walls 62 and reaches and two of these the first side wall 62 adjacent settings second relative sidewalls 63, this is first years old,

second sidewall

62,63 formation is in order to the conduction region 64 of ccontaining chip module (not shown), be provided with boss 640 around the conduction region 64, and two relative the first side walls 62 are ramp structures of being arranged to have with conduction region 64 certain normal throw, be provided with some terminal containing slots 65 of accommodating terminal 61 in this conduction region 64, after terminal 61 inserts terminal containing slot 65, terminal carrier strip 610 can remove out by the inclined-plane of the first side wall 62 outside the insulating body 60, and because this inclined-plane and 64 of conduction regions have certain normal throw, after chip module is put into conduction region 64, this normal throw and second sidewall 63 can carry out fixing to chip module, but because this normal throw is less, easily cause the location of chip module bad, and produce its disabler.Only, along with the electric connector volume is more and more littler, between between terminal apart from reduce, when chip module is electrically conducted by extraneous downforce effect and electric connector 6 formation, may be in contact with one another between the terminals of adjacent and cause short circuit, and this downforce is only born by the protuberance 640 around the conduction region 64, the centre position of electric connector 6 is not then supported fully, since protuberance 640 be positioned at conduction region 64 around, thereby when this downforce is excessive, sink in the middle of being easy to that then chip module is deformed or making chip module, thereby cause chip module and terminal 61 to be damaged by pressure because of pressurized is excessive.So be necessary to design a kind of novel electric connector to overcome above-mentioned disappearance.

[utility model content]

The purpose of this utility model is to provide a kind of electric connector, refers to especially a kind ofly prevent that chip module from being damaged by pressure, and guarantees the electric connector of the reliable electric connection between chip module and electric connector.

The purpose of this utility model is achieved in that a kind of electric connector that chip module is connected to circuit board, it mainly comprises insulating body and is contained in the interior plurality of conductive terminals of this insulating body, insulating body is provided with by some sidewalls and encloses and in order to accept the conduction region of chip module, be provided with the plurality of terminals groove in this conduction region to accommodate conducting terminal, this conduction region is provided with the upper surface that is used to accept chip module, zone between the sidewall of itself and insulating body is a boss, be provided with dividing plate between the adjacent both ends pilot trench, this dividing plate surface direction vertical extent that makes progress has projection, projection such as change and be divided into first projection and second projection, and the second protruding extended height is greater than first projection, and this second projection equates with the height of boss.When chip module is electrically conducted with electric connector because of being subjected to the downforce effect, this second projection and boss can bear this downforce effect, thereby can disperse this downforce, and first projection does not contact with chip module, prevent contact short circuit in order to separate two adjacent conducting terminals.

Compared with prior art, the utlity model has following advantage: when chip module is electrically conducted with electric connector because of being subjected to the downforce effect, this second projection and boss can bear this downforce effect, thereby can disperse this downforce, and first projection does not contact with chip module, prevents contact short circuit in order to separate two adjacent conducting terminals.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of existing electric connector.

Fig. 2 is the three-dimensional exploded view of the utility model electric connector.

Fig. 3 is the partial enlarged drawing at III line place among Fig. 2.

Fig. 4 is the three-dimensional combination figure of the utility model electric connector.

Fig. 5 is the vertical view of the utility model electric connector.

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

Fig. 7 is the cutaway view along VII-VII direction among the 4th figure.

Fig. 8 is the utility model electric connector and chip module and circuit board combination schematic diagram.

[embodiment]

See also Fig. 2 to shown in Figure 8, the utility model is about a kind of electric connector 1, mainly include insulating body 10 and be contained in plurality of conductive terminals 11 in this insulating body 10, this insulating body 10 is provided with two relative the first side walls 100, two second sidewalls 104 adjacent and enclose and in order to the conduction region 101 of ccontaining chip module (not shown) by it with the first side wall 100, be provided with plurality of terminals groove 1010 with ccontaining terminal 11 in this conduction region 101, and be provided with perforate 103 in these conduction region 101 central position.Raised zones between conduction region 101 and the first side wall 100 and second sidewall 104 is a boss 102, and this boss 102 protrudes from the certain normal throw of conduction region 101 electric connector 1 is connected with group direction with chip module 2 on.Conduction region 101 has the upper surface 1012 that is connected with group with

chip module

2,1010 of abutting end pilot trench are provided with dividing plate 1011, this dividing plate 1011 is extended with projection 1013 vertically upward from upper surface 1012 directions, the cross section of this projection 1013 structure roughly triangular in shape, projection 1013 such as change and be divided into first projection, 1014 and second projection 1015, second protruding 1015 extended heights are greater than first projection 1014, and this second projection 1015 equates with the height of boss 102.When ambient pressure was depressed into the closure state that is conducted with conducting terminal 11 with the conducting strip 20 of chip module 2, these second projectioies 1015 and boss 102 were as the support of bearing this ambient pressure.

Conducting terminal 11 is stamped to form (consulting shown in the 7th figure) by the plate-shape metal material, it comprises the cantilever 110 that has with chip module 2 contacted contact sites 1101, be immobilizated in the holding parts with vertical body 1,110 111 in the terminal groove 1010 and connect the connecting portion 112 of this cantilever 110 and holding parts 111, this vertical body 1110 then is connected with terminal material belt (not shown).

Appropriate position in two relative second sidewalls 104 of insulating body 10 is respectively equipped with projection 1041, and this projection 1041 and first hypotenuse 1001 are used for positioning chip module (not shown).

When chip module 2 and electric connector 1 are combined, chip module 2 is put into conduction region 101, this moment, the conducting strip 20 of chip module 2 contacted with the contact site 1101 of the conducting terminal 11 of electric connector 1, downwards push chip module 2 by external force this moment, the cantilever 110 of conducting terminal 11 and connecting portion 112 generation strains also produce the elastic force towards chip module 2 thus, this elastic force makes the contact site 1101 of conducting terminal 11 closely contact with the conducting strip 20 of chip module 2, thereby chip module 2 and 1 formation of electric connector are electrically conducted.When external force presses down, be located at second on the conduction region 101 projection 1015 and be located in that boss 102 around the conduction region 101 will bear this external force effect and as the support of this external force, thereby the external force that can disperse this to press down, even thereby sink in the middle of when this external force is excessive, also can not causing chip module 2 distortion or chip module 2, and then can guarantee that 2 excellent electrical property of electric connector 1 and chip module are connected.In addition, because first projection 1014 is extended upward by dividing plate 1011, and the connecting portion 112 of conducting terminal 11 is between two adjacent first projectioies 1014, thereby when the conducting strip 20 of chip module 2 contacts with the contact site 1101 of conducting terminal 11 because of the external force effect, this first projection 1014 also can prevent the cantilever 110 and connecting portion 112 move left and right of conducting terminal 11, thereby can guide conducting terminal 11 and form good the electric connection with chip module 2, and prevent situation of short circuit to the tram.

Claims

1. one kind is used for electric connector that chip module and circuit board are electrically connected, it mainly comprises: insulating body and some interior conducting terminals of terminal groove that is placed in insulating body, insulating body is provided with the conduction region that enclosed by some upwardly extending sidewalls to accept chip module, be provided with dividing plate between the adjacent both ends pilot trench, this dividing plate is along having extended upward projection with the chip module direction that is connected with group, it is characterized in that: above-mentioned projection is divided into first projection and second projection, and the second protruding extended height is greater than first projection.

2. electric connector as claimed in claim 1 is characterized in that: protrude out on every side along conduction region and be provided with boss, the extended height of this boss equals the height of second projection.

3. electric connector as claimed in claim 2 is characterized in that: the cross section of projection is a triangle.

4. electric connector as claimed in claim 1 is characterized in that: the conduction region central position is provided with perforate.