CN201204362Y - Electric connector - Google Patents

Abstract

The utility model relates to an electric connector, which is used for connecting chip modules, comprising a substrate, a plurality of conductive terminals accommodated in the substrate. The substrate comprises a main body having an accommodating cavity defined, a positioning board accommodated in the accommodating cavity, and a clamping board positioned below the positioning board, wherein the positioning board and the clamping board are fixed on the main body and provided with a plurality of terminal pores. The conductive terminal comprises a contact portion for connecting chip module, a holding portion extending outside the substrate, and an elastic portion disposed between the contact portion and the holding portion. When inserting the chip module into the electric connector, the contact portion is pressed by the chip module, bringing compressed deformation to the elastic portion. The electric connector is simple in construction, convenient for assembly and reliable for application.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, relates in particular to a kind of electric connector that electrically connects chip module to circuit board.

[technical background]

The Japanese laid-open patent application discloses H11-135214 and has disclosed a kind of electric connector, the pedestal 10 of this electric connector comprises loam cake and bottom, loam cake 20 is set up in bottom top by fastener 28, and conducting terminal 50 is contained in the terminal hole 24 of loam cake 20 to contact with chip module.Described loam cake 20 is assembled on the pedestal 10 movably, and loam cake 20 can be pressed down by acting device after chip module is placed on the electric connector, so that chip module and conducting terminal 50 stable contacts.The complex structure of this electric connector and assembling difficulty.

Therefore, necessary existing electric connector is improved to overcome the aforementioned disadvantages of prior art.

[utility model content]

The purpose of this utility model is to provide a kind of electric connector simple in structure, easy to assembly.

The purpose of this utility model is achieved through the following technical solutions: a kind of electric connector, be used to connect chip module, it comprises: matrix and be housed in plurality of conductive terminals in the matrix, described matrix comprises that definition has the main body of host cavity, be contained in the location-plate on host cavity top and be positioned at the clamping plate of location-plate below, described location-plate and clamping plate are fixed on the main body and are formed with the plurality of terminals hole, and described conducting terminal comprises the contact site that is used to connect chip module, the holding parts that extends matrix and the elastic portion between contact site and holding parts.When the chip module group was gone into electric connector, described contact site was pressed down by the chip module and causes that elastic portion produces compression.

Compared to prior art, the utility model electric connector has following beneficial effect: conducting terminal is provided with the contact site that is used to connect chip module, the holding parts that extends matrix and the elastic portion between contact site and holding parts and contacts with chip module, when chip module is mounted to this electric connector, contact site is directly pressed down by the tin ball of chip module bottom, drives elastic portion simultaneously and is compressed.It has effect simple in structure, easy to assembly.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of the utility model electric connector.

Fig. 2 is the profile of the utility model electric connector along Figure 1A-A direction.

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

Fig. 4 is the stereogram of the conducting terminal of the utility model electric connector.

Fig. 5 is the partial enlarged drawing in Fig. 2 circle, and wherein chip module is still organized into electric connector.

Fig. 6 is similar to Fig. 5, and wherein chip module does not organize electric connector as yet.

[embodiment]

See also Fig. 1 and Fig. 2, electric connector of the present utility model is in order to connecting chip module 33, the base plate 5 of framework 3 that it comprises the matrix 2 that is arranged on the circuit board 1, the plurality of conductive terminals 4 that is contained in matrix 2, be bonded to matrix 2 and the bottom surface that is installed on circuit board 1.

Matrix 2 is horizontally placed on circuit board 1 top, and it comprises main body 20, location-plate 21, clamping plate 22 and holding board 23.Main body 20 definition have host cavity 200, are provided with reference column 201 respectively at the place, two diagonal angles of host cavity 200, are provided with the screw 202 that runs through main body 20 respectively at the place, four angles of main body 20.Location-plate 21 is contained in the host cavity 200 of main body 20, location-plate 21 is provided with first location hole 210 in the position for the reference column 201 of main body 20, location-plate 21 is provided with the first terminal hole 211, is provided with first screw 212 that runs through location-plate 21 on four limits of location-plate 21.Clamping plate 22 also are contained in the host cavity 200 of main body 20 and are positioned at the below of location-plate 21, clamping plate 22 are provided with second location hole 220 in the position with respect to the location hole 201 of main body 20, clamping plate 22 are provided with second terminal hole 221 and corresponding with the first terminal hole 211 of location-plate 21 respectively, are provided with second screw 222 that runs through clamping plate 22 on four limits of clamping plate 22.The bottom surface of holding board 23 autonomous agents 20 is installed on the main body 20, is positioned at host cavity 200 belows, and holding board 23 is provided with the 3rd location hole 230 and some and the first terminal hole 211 and second terminal hole, 221 corresponding the 3rd terminal holes 231.Wherein, bolt (not shown) passes first screw 212 of location-plate 21 and second screw 222 of clamping plate 22, be fixed in location-plate 21 and clamping plate 22 on the main body 20 and be contained in the host cavity 200, described first location hole 210 and second location hole 220 are sheathed on respectively on the reference column 201.Holding board 23 is assembled in main body 20 bottoms by bolt (not shown) and cooperating of the 3rd location hole 230, and holding board 23 is positioned at host cavity 200 belows.

See also Fig. 1 and shown in Figure 3, framework 3 is set up in the top of main body 20, and its inner receiving space 32 that forms is to hold chip module 33.The bottom of chip module 33 is provided with tin ball 331, is respectively equipped with the perforation 31 that runs through framework 3 in four bights of framework 3.In the bottom surface of circuit board 1 to should base plate 5 being installed matrix 2.Pass the through hole 10 and base plate 5 of screw 222, circuit board 1 of perforation 31, the matrix 2 of framework 3 successively by bolt (not shown) after, electric connector stably is fixed on the circuit board 1.

See also Fig. 4 and shown in Figure 5, conducting terminal 4 is provided with and is "〉" shape elastic portion 43, this elastic portion 43 comprises upper arm 431, underarm 432 and connects the arc connecting portion 433 of upper arm 431, underarm 432 that wherein upper arm 431 and underarm 432 narrow down gradually in the direction width away from connecting portion 433.Conducting terminal 4 is in the elastic portion 43 upper arm 431 terminal maintaining parts 42 that form, and maintaining part 42 upwards is bent to form a pair of button 421 that stops again after its relative dual-side stretches.Self-sustaining portion 42 front ends upwards bending also further extend to form contact site 41 straight up.Form the last shoulder 411 that its width is increased on the contact site 41, and be positioned at the pressure contact portion 412 of the V-shaped structure in shoulder 411 tops, contact with tin ball 331 with chip module 33 bottoms.Conducting terminal 4 extends holding section 44 from underarm 432 terminal bendings downwards, and a pair of alar part 441 is extended simultaneously to its relative both sides in holding section 44.Holding section 44 is extended holding parts 45 straight down, and the following shoulder 451 that its width is increased is formed at holding parts 45 tops.Holding parts 45 is contained in the 3rd terminal hole 231 of holding board 23, in order to strengthen the fixing effect of conducting terminal 4 in matrix 2.During assembling, earlier location-plate 21 and clamping plate 22 are positioned in the host cavity 200 of main body 20 and by eight bolt on main body 20, be inverted the main body 20 of this part assembling then, in second terminal hole 221 with corresponding the first terminal hole 211 of inserting location-plates 21 of conducting terminal 4 and clamping plate 22, again holding board 23 four bolts of underrun from main body 20 are installed on the main body 20, the holding parts 45 of conducting terminal 4 is cooperated with the 3rd terminal hole 231 of holding board 23, conducting terminal 4 can be fixed on the matrix 2 to form a module, this module can be arranged in conducting terminal 4 and directly be offered the built-up time of client with the saving client when determining, and then saves cost.

See also shown in Figure 6, the conducting terminal 4 of electric connector is contained in the host cavity 200 of main body 20, the upper group of the host cavity 200 of main body 20 is equipped with location-plate 21 and clamping plate 22, and the bottom is fixed with holding board 23, and conducting terminal 4 is arranged in described location-plate 21, clamping plate 22 and holding board 23.The pressure contact portion 412 of the contact site 41 of conducting terminal 4 is contained in the first terminal hole 211 of location-plate 21, the last shoulder 411 of conducting terminal 4 is contained in the first terminal hole 211 of location-plate 21 and between second terminal hole 221 of clamping plate 22, after base plate 5 and circuit board 1 are assembled, the maintaining part 42 of conducting terminal 4 stop the bottom surface of detaining 421 elasticity butt clamping plate 22, the alar part 441 of holding section 44 contacts at the last end face of the 3rd terminal hole 231 of holding board 23, the following shoulder 451 of conducting terminal 4 is positioned at the 3rd terminal hole 231 of holding board 23, holding parts 45 extends in the 3rd terminal hole 231 of holding board 23, contact with the circuit board 1 of adjacent installation, elastic portion 43 is contained in headspace in the host cavity 200 of main body 20, between clamping plate 22 and holding board 23.

See also shown in Figure 5ly, when chip module 33 is mounted to this electric connector and when pushing downwards, the tin ball 331 of chip module 33 bottoms is contained in the first terminal hole 211 of location-plate 21 and contacts with the pressure contact portion 412 of contact site 41 on the conducting terminal 4.Conducting terminal 4 is promoted and moves downward by tin ball 331, the button 421 that stops of the maintaining part 42 of conducting terminal 4 moves downward bottom surface one segment distance of second terminal hole 221 that leaves clamping plate 22, its elastic portion 43 is compressed and produces certain amount of moving down, connecting portion 433 arc angles diminish a little, but can keep a determining deviation between the adjacent conductive terminal 4, make the electric connector operate as normal.

Claims (6)

1. electric connector, be used to connect chip module, it comprises: matrix and be housed in plurality of conductive terminals in the matrix, described matrix comprises that definition has the main body of host cavity, be contained in the location-plate on host cavity top and be positioned at the clamping plate of location-plate below, described location-plate and clamping plate are fixed on the main body and are formed with the plurality of terminals hole, it is characterized in that: described conducting terminal comprises the contact site that is used to connect chip module, extend the holding parts of matrix and the elastic portion between contact site and holding parts, when the chip module group was gone into electric connector, described contact site was pressed down by the chip module and causes that elastic portion produces compression.

2. electric connector as claimed in claim 1 is characterized in that: described elastic portion comprises upper arm, underarm and connects the connecting portion of upper arm, underarm.

3. electric connector as claimed in claim 2 is characterized in that: the terminal maintaining part that forms of upper arm, and described maintaining part is bent to form and stops button, and this stops the button resilient abutment in the clamping plate lower surface, and can be away from clamping plate when chip module presses down.

4. electric connector as claimed in claim 3 is characterized in that: described maintaining part upwards broadens after its relative dual-side stretches again and is bent to form a pair of button that stops.

5. electric connector as claimed in claim 4 is characterized in that: described maintaining part front end upwards bending also extends to form contact site straight up.

6. electric connector as claimed in claim 5 is characterized in that: the holding section is extended in the terminal bending downwards of described underarm, and alar part is extended simultaneously to its relative both sides in the holding section, and the holding section is extended holding parts straight down.

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