CN201142505Y

CN201142505Y - Electric connector

Info

Publication number: CN201142505Y
Application number: CNU2008200424973U
Authority: CN
Inventors: 朱德祥
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2008-01-04
Filing date: 2008-01-04
Publication date: 2008-10-29
Anticipated expiration: 2018-01-04

Abstract

The utility model relates to an electric connector. A butting part is arranged on one lateral wall in a terminal accommodating hole of the electric connector, a contact surface is respectively arranged on two elastic arms of a conducting terminal in the terminal accommodating hole, the two contact surfaces are positioned opposite to the butting part, a pin is inserted between the butting part and the two contact surfaces, and is clamped by the two contact surfaces and the butting part together, and the two contact surfaces are positioned on the same side of the pin, and are electronically connected with the two sides of the pin. The pin needs not to be clamped between the two contact surfaces, thus ensuring relatively narrow width of the conducting terminal so as to save the space, increase the number of the conducting terminals capable of being accommodated in the insulating body, and enhance the connection function between the electric connector and a CPU chip module. In addition, the contact surface needs not to be bent outwards to form a long contact part so as to save space and manufacturing material.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector that can plug with the pin of chip module, and the conducting terminal of this electric connector can form bilateral electrical the contact at homonymy with the pin of chip module.

[background technology]

The existing electric connector that can plug with the pin of chip module comprises an insulating body at present, and described insulating body is provided with a plurality of terminal accommodation holes, and is located in a plurality of conducting terminals in a plurality of described terminal accommodation holes respectively.Be illustrated in figure 1 as wherein a kind of conducting terminal 1, comprise a main part 10, two elastic arms 11 that extend upward by described main part 10, and by main part 10 downward extended weld parts 12.Described two elastic arms 11 are provided with first contact site 111 and second contact site 112, and this first contact site 111 is formed by the 11 relative bendings of two elastic arms with second contact site 112.When the pin 20 of chip module was pegged graft with electric connector, pin 20 entered at the broad place between first contact site 111 and second contact site 112, and all contacts with second contact site 112 with first contact site 111.Described first contact site 111 and second contact site 112 lay respectively at pin 20 both sides, when electrically connecting with it, also pin 20 are played the effect that grips.In the pin 20 of this kind chip module and mode that conducting terminal 1 cooperates, in order to hold pin 20, conducting terminal 1 must have bigger width, taken bigger space, thereby reduced the quantity that plugs conducting terminal 1 in the insulating body, reduced conducting terminal 1 and in insulating body, planted density, the linkage function between electric connector and the cpu chip module weakened.On the other hand, first contact site 111 and second contact site 112 will play the clamping effect to pin 20, so wherein at least one needs the long distance of bending extension for first contact site 111 and second contact site 112, this has not only wasted the space, has also wasted manufactured materials simultaneously.

Therefore be necessary to design a kind of new electric connector, to overcome above-mentioned defective.

[utility model content]

The purpose of this utility model is to design a kind of electric connector, make its conducting terminal need not have big width, save the space on the insulating body, on insulating body, plant density, can also save the manufactured materials of conducting terminal in addition thereby increase conducting terminal.

For achieving the above object, the utility model electric connector comprises: an insulating body, and this insulating body is provided with a plurality of terminal accommodation holes, and a sidewall is provided with a support division in the described terminal accommodation holes; A plurality of conducting terminal correspondences are located in a plurality of described terminal accommodation holes, this conducting terminal has a base portion and is fixed in the terminal accommodation holes, this base portion extends to form two elastic arms along this terminal accommodation holes, respectively be provided with a contact-making surface on described two elastic arms, described two contact-making surfaces are positioned at described support division subtend relatively; By this, provide a plurality of pins of a chip module to insert accordingly in these a plurality of terminal accommodation holes, and each this pin is fixed between described two contact-making surfaces and described support division in each terminal accommodation holes, and be electrically conducted with described two contact-making surfaces.

Compared with prior art, the utility model electric connector, a sidewall is provided with a support division in its terminal accommodation holes, be located on two elastic arms of the conducting terminal in the described terminal accommodation holes and be respectively equipped with a contact-making surface, described two contact-making surfaces and described support division are oppositely arranged, and pin is plugged between support division and two contact-making surfaces, and connect face and the common clamping of support division by two, make two contact-making surfaces be positioned at the pin homonymy, bilateral with it electric connection.Owing to make used conducting terminal width less without the clamping pin, saved the space between contact-making surface, increased the conducting terminal quantity that can be installed with in the insulating body, the linkage function between electric connector and the cpu chip module is strengthened.On the other hand, contact-making surface need not outwards be bent to form long contact site, has also saved manufactured materials when saving the space.

[description of drawings]

Fig. 1 is the conducting terminal of existing a kind of electric connector and the schematic diagram that cooperates of pin;

Fig. 2 is the partial sectional view of the utility model electric connector;

Fig. 3 is the schematic diagram that electric connector shown in Figure 2 cooperates with pin;

Fig. 4 is the cutaway view of the insulating body of electric connector shown in Figure 3 along the A-A direction;

Fig. 5 is the cutaway view of the insulating body of electric connector shown in Figure 3 along another visual angle of A-A direction;

Fig. 6 is the stereogram of the conducting terminal of electric connector shown in Figure 2;

Fig. 7 is the partial sectional view that electric connector shown in Figure 2 cooperates with pin.

[embodiment]

Below in conjunction with the drawings and specific embodiments the utility model electric connector is described further.

Please refer to Fig. 2, the utility model electric connector comprises insulating body 1, which is provided with a plurality of terminal accommodation holes 10 and be located in a plurality of conducting terminals 2 in a plurality of terminal accommodation holes 10 respectively, and be used for electric connector is welded on the printed circuit board (PCB) tin ball 3 of (figure does not show).

Please refer to Fig. 4 and Fig. 5, be the cutaway view of the insulating body 1 of the utility model electric connector.Establish on the described insulating body 1 contiguous cpu chip module first surface 100 and with these first surface 100 opposing second surface 101, also be provided with a plurality of terminal accommodation holes 10 on the described insulating body 1, described terminal accommodation holes counterclockwise is respectively equipped with sidewall 11, sidewall 12, sidewall 13 and sidewall 14.Be provided with one to the projecting inward step 110 of terminal accommodation holes 10 away from first surface 100 places on the described sidewall 11, these step 110 belows are provided with a projection 111, and described projection 111 is in abutting connection with being located at step 110 bottom center places, and described projection 111 is higher than step 110.Sidewall 12 adjacent sidewall 11 places are provided with a fluting 120, and described fluting 120 is arranged with to step 110 places to first surface 100 by second surface 101, and contiguous first surface 100 also is provided with a stop block 121 on the described sidewall 12.Described sidewall 13 is provided with a support division 130 adjacent with stop block 121, and the upper surface 1301 of this support division 130 is the inclined downward from first surface 100, and this support division 130 also is an inclined-plane towards the side 1302 of sidewall 14 directions.The side that sidewall 14 is connected with sidewall 13 is concaved with one to sidewall 14 middle parts to accepting hole 10 1 sides and allows bit space 140 (as shown in Figure 6), described bit space 140 bottoms that allow are a platform 141 (as shown in Figure 6), also offer and the 120 corresponding flutings of slotting (figure does not show) in abutting connection with sidewall 11 places on the described sidewall 14.

Please refer to Fig. 6, the conducting terminal 2 of the utility model electric connector comprises a base portion 20, is extended upward by base portion 20 and is provided with two elastic arms 21, and this base portion 20 also extends downwards and is provided with a weld part 22.Described two elastic arms 21 middle parts are provided with kink 210, and two kinks, 210 wrap direction are identical, to increase the elasticity of elastic arm 21.Also respectively be provided with a contact-making surface 211 on described two elastic arms 21, described contact-making surface 211 is the recessed inclined-plane that contracts and form, and this two contact-making surface 211 relative tilt in the middle of two elastic arms 21.Elastic portion 213, two contact-making surfaces 211 that described two elastic arms 21 tops also are provided with bending also are positioned on the elastic portion 213.Also be provided with a guidance part 212 on the described wherein elastic arm 21, described guidance part 212 is formed by these elastic arm 21 outer upper end part blanks, can play the effect of stepping down and holding concurrently and guiding to the pin 5 (as shown in Figure 5) that inserts electric connector.Also be provided with a location through hole 23 between described base portion 20 and the weld part 22, and described positioning through hole 23 is the slotted hole of vertical radius greater than horizontal radius, in order to accommodate the projection 111 on described terminal accommodation holes 10 sidewalls 11.

Please refer to Fig. 2, conducting terminal 2 is as follows with the assembling process of insulating body 1: earlier conducting terminal 2 is inserted to first surface 100 directions by second surface 101, base portion 20 both sides are inserted among the fluting 120, projection 111 on the sidewall 11 enters among the positioning through hole 23 between base portion 20 and the weld part 22, because positioning through hole 23 is a slotted hole, and slotted hole makes conducting terminal 2 can move up and down in terminal accommodation holes 10 with respect to projection 111 greater than projection 111.Kink 210 on described two elastic arms 21 makes it to the bending of sidewall 13 directions, and the elastic arm 21 of guidance part 212 is not set in this two elastic arm 21, and its elastic portion 213 is supported and ended on the stop block 121 of sidewall 12.The tin ball 3 of described welding usefulness places weld part 22 1 sides of conducting terminal 2, and by positioning through hole on the described conducting terminal 23 and sidewall 13 clamping tin balls 3, because positioning through hole 23 is slotted hole, and its vertical diameter is greater than horizontal diameter, and tin ball 3 can be in the vertical direction relative motion.

Please refer to Fig. 3, Fig. 7, circle is represented the pin cross section of chip module shown in the figure.When the pin 4 of the utility model electric connector and chip module plugs, pin 4 is introduced into and allows in the bit space 140, and the inclined-plane 1302 of the support division 130 on the sidewall 13 enters the service position, guidance part 212 on the elastic arm 21 of conducting terminal 2 is at first stepped down to pin 4 at this moment, contact with two contact-making surfaces 211 with inclined-plane 1302 common guide pins 4 to this pin 4 simultaneously, and by two contact-making surfaces 211 and support division 130 common fixings, because two elastic arms 21 are provided with kink 210, and contact-making surface 211 is positioned on the elastic portion 213, so with bilateral closely contact of 4 formation of two contact-making surfaces 211 and pin.So, two contact-making surfaces 211 and support division 130 common fixedly pins 4, pin 4 is positioned at a side of conducting terminal 2, and forms bilateral the contact by 2 of two contact-making surfaces 211 and conducting terminals.When wherein a contact-making surface 211 contacts with pin 4 disconnections, another contact-making surface 211 still can keep in touch with pin 4, compare monolateral contact, conducting terminal 2 is littler with the risk that pin 4 disconnections contact, better connect chip module and electric connector, reduced the generation of hit between chip module and the electric connector; Again because clamping pin 4 separately between 2 liang of contact-making surfaces 211 of described conducting terminal, need not reserve the gap for the pin insertion of broad between two contact-making surfaces 211, so its width need not be very big, reduced the area that takies, can make the more conducting terminal 2 of pegging graft on the insulating body 1 of same area, strengthen the signal transmission performance between chip module and the electric connector, two contact-making surfaces 211 only are used for electrically contacting pin 4 simultaneously, without clamping pin 4, event need not bend out very long, has saved the manufactured materials of conducting terminal 2.

In sum, the utility model has the advantage of:

1. described two contact-making surfaces 211 and the common clamping pins 4 of support division, rather than by two contact-making surfaces, 211 clamping pins 4, so not With contact-making surface 211 being arranged to grow very much and the contact site of bending, relatively saved the manufactured materials of conducting terminal 2.

2. form same side contacts between two contact-making surfaces 211 and the conducting terminal 2, not be used in reserve between two contact-making surfaces 211 wider For the gap that pin inserts, make that width reduces between the elastic arm 21 of conducting terminal 2, thereby reduced the sky that conducting terminal 2 takies Between, make the more conducting terminal 2 of can pegging graft on the insulating body 1 of same area, strengthen between chip module and the electric connector Connection.

3. vibrations when taking place, even pin 4 disconnects on one side with conducting terminal 2 in described pin 4 and conducting terminal 1 bilateral the contact Contact, another side also can keep being electrically connected with pin 4, have reduced the risk that Contact interrupts.

4. also be provided with guidance part 212 on the described elastic arm wherein, when pin 4 inserted, it can play the effect of stepping down, and pin is inserted smoothly, can also play guide function simultaneously, and pin 4 is directed to the service position.

5. described conducting terminal 2 is provided with positioning through hole 23, can cooperate with the protuberance 111 in the terminal accommodation holes 10, because projection 111 is less than positioning through hole 23, and positioning through hole 23 is a slotted hole, when conducting terminal 2 when electric connector is given a shock, can in terminal accommodation holes 10, move up and down, not allow conducting terminal 2 suffer damage, and keep electrically connecting with pin 4.

Claims

1. an electric connector is characterized in that, comprising:

One insulating body, this insulating body is provided with a plurality of terminal accommodation holes, and a sidewall is provided with a support division in the described terminal accommodation holes;

A plurality of conducting terminal correspondences are located in a plurality of described terminal accommodation holes, this conducting terminal has a base portion and is fixed in the terminal accommodation holes, this base portion extends to form two elastic arms along this terminal accommodation holes, respectively be provided with a contact-making surface on described two elastic arms, described two contact-making surfaces are positioned at described support division subtend relatively;

By this, provide a plurality of pins of a chip module to insert accordingly in these a plurality of terminal accommodation holes, and each this pin is fixed between described two contact-making surfaces and described support division in each terminal accommodation holes, and be electrically conducted with described two contact-making surfaces.

2. electric connector as claimed in claim 1 is characterized in that: described two contact-making surfaces are respectively the inclined-plane that two elastic arm fovea superiors contract and form, and this two contact-making surface relative tilt in the middle of two elastic arms.

3. electric connector as claimed in claim 1 is characterized in that: a described support division upper surface and a side surface are the inclined-plane.

4. electric connector as claimed in claim 1 is characterized in that: a described conducting terminal wherein elastic arm is provided with a guidance part.

5. electric connector as claimed in claim 1 is characterized in that: described two elastic arms middle part is provided with kink, and described kink wrap direction is identical.

6. electric connector as claimed in claim 1 is characterized in that: be provided with a projection in the described terminal accommodation holes, and the corresponding described projection of the base portion of described conducting terminal is provided with a location through hole.

7. electric connector as claimed in claim 1 is characterized in that: described two elastic arm tops are the elastic portion of bending.