CN201266770Y

CN201266770Y - Electric connector

Info

Publication number: CN201266770Y
Application number: CNU200820038115XU
Authority: CN
Inventors: 陈铭佑; 萧世伟; 林俊甫
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: 2008-06-11
Filing date: 2008-06-11
Publication date: 2009-07-01
Anticipated expiration: 2018-06-11

Abstract

An electric connector is used for electrically connecting an integrated circuit chip to a printed circuit board, which includes an upper cover, a base and conductive terminals accommodated between the upper cover and the base. The upper cover includes a base body with several through holes, the base includes a main body, and the main body is provided with several through grooves corresponding to the through holes of the upper cover. The main body of the base is recessed downward to form a receiving part and a receiving space, and the upper cover is received in the receiving space. The conductive terminals include upper contacts and lower contacts. The upper contact includes a base and a contact portion located at the top of the base. The lower contact includes at least one body, and the body includes a first arm, a second arm, and a connecting portion connecting the first arm and the second arm. The upper contact base abuts against the first arm of the lower contact body. The structure of the conductive terminal of the electrical connector of the utility model is simple, and the production cost of the electrical connector can be reduced.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, refers to a kind of electric connector that is used to test especially, is used to electrically connect the electric connector of integrated circuit (IC) chip and printed circuit board (PCB).

[background technology]

The electric connector relevant with the utility model generally comprises insulating body and is contained in conductive contact in the insulating body.The structure of described conductive contact such as United States Patent (USP) are announced No. 7025602 background technology and are disclosed, the matrix that it comprises contact site, following contact site, elastomer and is coated on contact site, following contact site and elastic portion periphery.Upper and lower contact site is cylindric, and elastomer is between upper and lower contact site, and matrix is cylindric hollow body, and port at two ends is less about it, upper and lower contact site can be moved up and down in its inside, and do not break away from matrix.During assembling, conductive contact is placed in the accepting groove of insulating body, then insulating body is placed on the printed circuit board (PCB) to realize the electric connection of conductive contact and printed circuit board (PCB), again integrated circuit (IC) chip is placed the insulating body upper surface with the electric connection of realization, thereby realize electric connection integrated circuit (IC) chip and printed circuit board (PCB) with integrated circuit (IC) chip and conductive contact.

But the contact site of this electric connector conductive contact and the matrix that is coated on the contact site periphery are cylindric or round barrel shape, and this structure manufacturing is not good, and it costs an arm and a leg, and are not suitable for making in a large number and applying.

Given this, be necessary to provide a kind of improved electric connector in fact, to overcome the defective that described electric connector exists.

[utility model content]

It is preferable that the technical problem that the utility model solved provides a kind of manufacturing, lower-cost electric connector.

For solving the problems of the technologies described above, the utility model provides a kind of electric connector, is used to electrically connect integrated circuit (IC) chip to printed circuit board (PCB), it comprise loam cake, pedestal and be contained in loam cake and pedestal between conducting terminal.On be covered with matrix, matrix is provided with some through holes, pedestal comprises main part, the corresponding loam cake through hole of main part is provided with some grooves.Described Base body portion is arranged with downwards and forms the resettlement section, and the resettlement section becomes to have receiving space with main part, and described loam cake is contained in described receiving space.Described conducting terminal comprises upside contact and downside contact, the upside contact comprises base portion and is located at the contact site on base portion top, the downside contact comprises at least one body, described body comprises first arm, second arm and the connecting portion that connects this first arm and second arm, and described upside contact base portion is connected to first arm of downside contact body.

Compared with prior art, the conducting terminal of the utility model electric connector is simple in structure, and can reduce the production cost of electric connector.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model electric connector loam cake and pedestal.

Fig. 2 is the three-dimensional assembly diagram of the utility model electric connector.

Fig. 3 is the three-dimensional exploded view of the utility model electric connector.

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

Fig. 5 is the three-dimensional exploded view of the utility model electric connector conducting terminal.

[embodiment]

Below in conjunction with graphic and specific embodiment the utility model electric connector 100 is described further.

See also Fig. 1 to shown in Figure 5, it has disclosed a kind of electric connector that is used to test 100, is used to electrically connect integrated circuit (IC) chip (not shown) to printed circuit board (PCB) (not shown).Electric connector 100 comprise loam cake 1, pedestal 2 and be contained in loam cake 1 and pedestal 2 between conducting terminal 3.

Loam cake 1 is roughly rectangle, and it is provided with panel-shaped base body 10.Matrix 10 is provided with some manholes 11 that are arranged.Through hole 11 runs through the upper and lower surface of matrix 10, is used to accommodate conducting terminal 3.Matrix 10 protrudes out downwards in the side 12 of its longitudinally and is provided with holding part 13.Described holding part 13 is and colludes shape, and it can be used for loam cake 1 stable being retained on the pedestal 2.

Pedestal 2 is roughly rectangular plate shape, and it comprises main part 20, and described main part 20 is provided with the resettlement section 21 suitable with loam cake 1 size.Described resettlement section 21 is arranged with downwards by described main part 20 upper surfaces and forms, and described thus resettlement section 21 forms a receiving space (not label) with described main part 20, and loam cake 1 can be contained in the described receiving space (not label).Resettlement section 21 is provided with holding slot 22 in the holding part 13 of the corresponding loam cake 1 in its avris position.The through hole 11 of described resettlement section 21 corresponding loam cakes 1 also is provided with some grooves 23, and described groove 23 is roughly rectangle and is oblique setting.

Conducting terminal 3 comprises upside contact 31 and downside contact 32.Upside contact 31 is contained in the manhole 11 of loam cake 1, and it comprises base portion 311 and is located at the contact site 312 on base portion 311 tops.Base portion 311 is cylindric, and it also is provided with the holding parts 313 that is used for upside contact 32 is positioned loam cake 1.Contact site 312 comprises some dentations tip, and it can contact the conductive pin (not shown) of integrated circuit (IC) chip (not shown).Downside contact 32 comprises overlapping first body 321, second body 322 and the 3rd body 323 that is posted by together.Described first body 321, second body 322 and the 3rd body 323 structural similarities, the connecting portion 3210 that includes first arm 3211, second arm 3212 and connect this first arm 3211 and second arm 3212.Wherein, first arm 3211 and second arm 3212 are the cantilevered construction that an end is connected in connecting portion 3210.The both side edges of the connecting portion 3210 of described first body 321, the 3rd body 323 also be respectively equipped with locating convex block 3213 with groove 23 interferences of pedestal 2.The end of these locating convex blocks 3213 is provided with for the guidance part 3214 in the groove 23 of these downside contact 32 insertion pedestals 2 of guiding.Described first body 321 protracts respectively in the end of its first arm 3211 and second arm 3212 and is provided with the abutting part 3215 of the arc that can be compressed by elasticity.Described the 3rd body 323 is posted by second body, 322, the second bodies 322 and is posted by first body 321, and the abutting part 3215 of first body 321 is butted on respectively on first arm 3211 and second arm 3212 of second body 322.In addition, first arm, 3211 overlapping the abutting in together of first arm 3211 of the 3rd body 323 and second body 322, and also overlapping the abutting in together of second arm 3212 of second arm 3212 of the 3rd body 323 and second body 322.

The assembling process of electric connector 100 is as follows: the upside contact 31 with conducting terminal 3 is installed in the through hole 11 of loam cake 1 earlier, downside contact 32 is contained in the groove 23 of pedestal 2; Then loam cake 1 is mounted in the receiving space (not label) of pedestal 2, and by holding part 13 stable being retained on the pedestal 2.At this moment, base portion 311 ends of the upside contact 31 of conducting terminal 3 are pressed on the abutting part 3215 of downside contact 32 first bodies 321.The protruding contact site 312 that is exposed to loam cake 1 of upside contact 31 parts can contact with the conductive pin (not shown) of integrated circuit (IC) chip (not shown).The downside contact 32 protruding abutting parts 3215 that are exposed to pedestal 2 lower surfaces can connect with printed circuit board (PCB) (not shown).The conductive pin (not shown) of integrated circuit (IC) chip (not shown) will be connected on the contact site 312 of conducting terminal 3 upside contacts 31 in the mode of pushing, upside contact 31 base portions 311 ends then compress the abutting part 3215 of downside contact 32 first arms 3211, elasticity of compression distortion takes place in downside contact 32, the abutting part 3215 of downside second arm 3211 and printing electroplax elasticity butt, thus realize being electrically conducted between integrated circuit (IC) chip (not shown) and the printed circuit board (PCB) (not shown).

The conducting terminal 3 of the utility model electric connector 100 is connected on the downside contact 32 and by the elasticity of compression of downside contact 32 by upside contact 31 and is out of shape the electric connection that realizes between integrated circuit (IC) chip (not shown) and the printed circuit board (PCB) (not shown).The conducting terminal 3 of the utility model electric connector 100 is simple in structure and can reduce the production cost of electric connector 100.In addition, the conducting terminal 3 downside contacts 32 of the utility model preferred embodiment electric connector 100 comprise overlapping first body 321, second body 322 and the 3rd body 323 that abuts in together, so can make conducting terminal 3 downside contacts 32 have preferable intensity and better elastic.But the body of downside contact 32 is not limited to above-mentioned three, and it can be less than or more than three, all can realize the performance that connects of conducting terminal.

Need to prove that the above embodiment only is a preferred embodiment of the present utility model, other any improvement conversion of carrying out on the present embodiment basis also should not break away from the technical solution of the utility model.The variation of any equivalence that those of ordinary skills take the technical solution of the utility model by reading the utility model specification is the utility model claim and contains.

Claims

1. An electrical connector for electrically connecting an integrated circuit chip to a printed circuit board, comprising: an upper cover, a base, and a conductive terminal accommodated between the upper cover and the base; The base body of the hole, the base includes a main body, and the main body is provided with a plurality of through grooves corresponding to the through hole of the upper cover. The upper cover is accommodated in the above-mentioned accommodating space, the conductive terminal includes an upper contact and a lower contact, the upper contact includes a base and a contact portion arranged at the top of the base, and the lower contact includes at least one body. The body includes a first arm, a second arm and a connecting portion connecting the first arm and the second arm, and the upper contact base abuts on the first arm of the lower contact body.

2. The electrical connector according to claim 1, wherein the through hole of the upper cover is circular for accommodating the upper contacts, and the through groove of the base is obliquely arranged for accommodating Lower side contacts.

3. The electrical connector as claimed in claim 1, wherein the lower contact comprises a first body, a second body and a third body which overlap and abut together.

4. The electrical connector according to claim 3, wherein positioning protrusions are respectively provided on two side edges of the connecting portion of the first body and the third body.

5 . The electrical connector as claimed in claim 4 , wherein a guide portion is provided at the end of the positioning protrusion for guiding the lower contact to insert into the slot of the base. 5 .

6 . The electrical connector as claimed in claim 3 , wherein the first body has abutting portions protruding forward from ends of the first arm portion and the second arm portion respectively. 7 .

7. The electrical connector according to claim 6, wherein the third body abuts against the second body, the second body abuts against the first body, and the abutting portions of the first body respectively abut against on the first arm and the second arm of the second body.

8. The electrical connector according to claim 7, wherein the first arm portion and the second arm portion of the third body overlap and abut against the first arm portion and the second arm portion of the second body respectively together.

9. The electrical connector according to claim 1, characterized in that: the base body of the upper cover protrudes downward with a buckling portion, and the base receiving portion is provided with a corresponding locking portion of the upper cover at its side position Holder slot.

10. The electrical connector according to claim 9, wherein the fastening portion of the upper cover is hook-shaped.