CN100470942C - Low insertion force type socket connector - Google Patents
Low insertion force type socket connector Download PDFInfo
- Publication number
- CN100470942C CN100470942C CNB2005100405225A CN200510040522A CN100470942C CN 100470942 C CN100470942 C CN 100470942C CN B2005100405225 A CNB2005100405225 A CN B2005100405225A CN 200510040522 A CN200510040522 A CN 200510040522A CN 100470942 C CN100470942 C CN 100470942C
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- base portion
- conducting terminal
- insertion force
- low insertion
- type socket
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Abstract
The invention discloses a low-insert force socket connector to connect chip module and print circuit board electrically, which consists of insulating bulk and several conductive terminals in the insulating bulk, wherein the support plane and assembling plane corresponding to support plane are set on the insulating bulk with several terminal containing grooves through support plane and assembling plane; the guide groove is set on and through the terminal containing groove; the conductive terminal is placed in the terminal containing groove, which contains base part, a couple of arm part from two bending extending sides of base part, contact part with smooth arc and level welding part at the bottom of base part; the smooth arc can correct deflection in the inserting course of positive chip module pin.
Description
[technical field]
The present invention relates to a kind of electric connector, refer to a kind of especially mainly in order to electrically connect the low insertion force type socket connector of chip module and printed circuit board (PCB).
[background technology]
Low insertion force type socket connector is widely used in computer realm, mainly in order to electrically connect two electronic components that are separated from each other, realizes between the two data and signal transmission.
Low insertion force type socket connector generally comprises insulating body and the plurality of conductive terminals that is located in the insulating body, and conducting terminal one end is provided with the contact site that can dock with chip module stitch, and the other end is provided with the weld part that can electrically connect printed circuit board (PCB).During use, push the corresponding butt joint of contact site that the chip module makes stitch on it and conducting terminal, thereby realize electrically conducting between chip module and the printed circuit board (PCB).
Prior art has disclosed multiple low insertion force type socket connector, and relevant patent sees also in No. the 98252212.6th, the Chinese utility model patent of on December 1st, 1999 bulletin.See also Fig. 8, the low insertion force type socket connector that above-mentioned patent discloses comprises insulating body and the plurality of conductive terminals 3 that is placed in the insulating body, conducting terminal 3 is provided with main part 31, autonomous body 31 bilateral symmetry are extended a pair of arm 32 that is provided with, and the weld part 34 that is positioned at main part 31 ends; Arm 32 comprises that autonomous body 31 extends adjutage 321 that is provided with and the elastic arm 322 that bends inwards in adjutage 321 tops.During use, the stitch of chip module inserts between the elastic arm 322, and borrows the distortion of elastic arm 322 and be positioned at elastic arm 322 free-ended contact site 33 elasticity butts, is assembled on the socket connector with low insertion force to realize the chip module.
But there is following shortcoming at least in this low insertion force type socket connector: when the stitch with the chip module docks, only have the elastic arm of conducting terminal can produce strain, the conducting terminal integral, flexible is relatively poor; The contact site of conducting terminal is bending setting, and frictional resistance is bigger, is not easy to the plug of chip module stitch; In addition, if when the stitch of chip module produces certain deflection with respect to normal insertion position in assembling process, the elastic arm of conducting terminal is easily because interfere with the stitch of chip module and damage.
In view of above-mentioned drawback, a kind of new-type low insertion force type socket connector of necessary design.
[summary of the invention]
The technical problem to be solved in the present invention provides a kind of chip module stitch low insertion force type socket connector of plug smoothly that makes things convenient for.
In order to solve the problems of the technologies described above, low insertion force type socket connector of the present invention comprises insulating body and the plurality of conductive terminals that is located in the insulating body; Insulating body is provided with supporting surface and the installed surface relative with supporting surface, runs through supporting surface and installed surface and is provided with the plurality of terminals accepting groove, and the terminal containing slot top is provided with terminal containing slot and connects the guide channel that is provided with; The conducting terminal correspondence is located in the terminal containing slot, and it comprises base portion, extends a pair of arm that is provided with, the contact site that is positioned at the smooth cambered surface of the terminal tool of arm from the base portion both sides, and the weld part that is positioned at the base portion end.
With respect to prior art, low insertion force type socket connector of the present invention has the following advantages at least: the development length of borrowing the bending setting of conducting terminal arm can increase arm, improve the elasticity of arm; Borrow the smooth cambered surface setting of conducting terminal contact site, can make things convenient for the plug of chip module stitch; Borrow the guiding of guide channel and the smooth cambered surface setting of conducting terminal contact site, can correct the deflection that chip module stitch may occur in the grafting process.
[description of drawings]
Below in conjunction with accompanying drawing, an embodiment of low insertion force type socket connector of the present invention is described in further detail.
Fig. 1 is the assembly drawing of low insertion force type socket connector of the present invention, and one of them conducting terminal is not located in the insulating body;
Fig. 2 is the stereo amplification figure of conducting terminal shown in Figure 1;
Fig. 3 is the front view of conducting terminal shown in Figure 2;
Fig. 4 is the end view of conducting terminal shown in Figure 2;
Fig. 5 be among Fig. 1 the A of circle portion overlook enlarged drawing;
Fig. 6 is the cross-sectional schematic after conducting terminal shown in Figure 1 is located in the insulating body;
Fig. 7 and Fig. 6 are similar, have reflected cross-sectional schematic after conducting terminal is located in the insulating body from another angle;
Fig. 8 is the schematic perspective view of the low insertion force type socket connector conducting terminal relevant with the present invention.
[embodiment]
See also Fig. 1, the present invention relates to a kind of low insertion force type socket connector 10, mainly in order to electrically connect chip module (not shown) and printed circuit board (PCB) (not shown), it comprises insulating body 20 and the plurality of conductive terminals 30 that is placed in the insulating body 20.
Describe each parts of low insertion force type socket connector 10 of the present invention in detail below in conjunction with accompanying drawing.See also Fig. 1 and Fig. 5 to Fig. 7, insulating body 20 is the rectangular plate shape structures by the insulating material moulding, and it is provided with the supporting surface 202 of supporting chip module and the installed surface 204 that is connected printed circuit board (PCB).Four drift angles of installed surface 204 are respectively equipped with contour back-up block 205, can prevent that socket connector 10 relative printed circuit board (PCB) when welding from producing the welding quality during with the assurance welding.
Run through terminal containing slot 206 and stitch guide channel 208 that supporting surface 202 and installed surface 204 are provided with some mutual conduction, guide channel 208 comprises and is the guidance part 210 of being inverted frustum and the connecting portion 212 that is connected guidance part 210 and terminal containing slot 206.It is poroid that connecting portion 212 is cylinder, its aperture be slightly larger than chip module stitch 50 diameter and less than the level interval D of 30 liang of contact sites 3080 of conducting terminal, can in the grafting process of chip module stitch 50, guide stitch 50, make things convenient for stitch 50 to insert in the terminal containing slot 206 smoothly.
In conjunction with consulting Fig. 2, Fig. 3 and Fig. 4, conducting terminal 30 is to be formed through forging and pressing, punching out by metal sheet, it comprises base portion 302, a pair of arm 304 that extends relatively from base portion 302 both sides respectively, is arranged at the contact site 3080 on arm 304 tops, and the weld part 306 that is positioned at base portion 302 lower ends.
It is straight tabular and extend in vertical direction that base portion 302 is, and its upper end and middle part are respectively equipped with a pair of hangnail 3020, in order to conducting terminal 30 stably is immobilizated in the terminal containing slot 206 of insulating body 20.Weld part 306 is to be formed through bending by base portion 302 lower ends, and it is straight tabular and generally along perpendicular to base portion 302 direction horizontal-extendings.Be implanted with tin ball 40 on the weld part 306, in order to conducting terminal 30 corresponding being welded on the printed circuit board (PCB).
Arm 304 extends from base portion 302 bilateral symmetry, and it comprises the elastic arm 3050 that tilts downward adjutage 3040 and prolong to weld part 306 from base portion 302 on adjutage 3040 tilts away from base portion 302 1 ends.The end of elastic arm 3050 is provided with contact site 3080, and contact site 3080 is in extending certain distances perpendicular to base portion 302 directions difference relative resilient arm 3050 ends.Contact site 3080 upwards extends in the same way and is with base portion 302 along elastic arm 3050 and expands outwardly attitude, is the contact-making surface of smooth arc to form respectively, and makes the width of the width of contact-making surface greater than arm.Please especially with reference to Fig. 6 and Fig. 7, the top of in the vertical direction contact site 3080 is positioned at the top on base portion 302 tops.
The development length that setting can increase arm 304 is extended in the bending of conducting terminal 30 arms 304, improves the elasticity of arm 304; The contact site 3080 of conducting terminal 30 is smooth cambered surface setting, can make things convenient for the plug of chip module stitch 50.
Describe the assembling process of low insertion force type socket connector 10 of the present invention in detail below in conjunction with accompanying drawing, see also Fig. 6 and shown in Figure 7, conducting terminal 30 inserts in the corresponding terminal containing slot 206 from bottom to top, the base portion 302 of conducting terminal 30 is resisted against on the cell wall of terminal containing slot 206, the hangnail 3020 that extends from conducting terminal 30 base portions 302 both sides and the sidewall interference engagement of terminal containing slot 206, thus conducting terminal 30 stably is immobilizated in the corresponding terminal containing slot 206.When conducting terminal 30 was located in the terminal containing slot 206 fully, there were a determining deviation in the top in the vertical direction of the contact site 3080 of conducting terminal 30 and connecting portion 212.
Describe use, the operating process of low insertion force type socket connector 10 of the present invention in detail below in conjunction with accompanying drawing, please in the lump with reference to figure 5 and shown in Figure 6, at first, by the tin ball 40 of planting on conducting terminal 30 weld parts 306 low insertion force type socket connector 10 is installed on the printed circuit board (PCB); Then, the chip module is placed on the low insertion force type socket connector 10, its stitch 50 respectively and corresponding guide channel 208 correspondences; At last, pressing down the chip module makes the stitch 50 of chip module borrow the guiding of guidance part 210 to enter connecting portion 212 and insert in the corresponding terminal containing slot 206.After contact site 3080 butt joints of the stitch 50 of chip module and conducting terminal 30, continue to move down along the arc smooth contact surface, and electrically conducting of finally between chip module and printed circuit board (PCB), forming.
In conjunction with above-mentioned use, operating process, when the stitch 50 of chip module produces deflection with respect to normal insertion position, borrow the guiding of guide channel 208 and the smooth cambered surface setting of conducting terminal 30 contact sites 3080, the deflection of chip module stitch 50 can be corrected, thereby can guarantee the smooth grafting of the stitch 50 and the conducting terminal 30 of chip module.
Claims (6)
1. low insertion force type socket connector, it comprises insulating body and is located in plurality of conductive terminals in the insulating body; Insulating body is provided with supporting surface and the installed surface relative with supporting surface, runs through supporting surface and installed surface and is provided with the plurality of terminals accepting groove, and the conducting terminal correspondence is located in the terminal containing slot; Conducting terminal comprises the base portion of vertical extension, extend a pair of arm that is provided with from the base portion both sides, be positioned at the contact site of arm end, and the weld part that is arranged at the base portion end, it is characterized in that: described terminal containing slot upper end is provided with terminal containing slot and connects the guide channel that is provided with, the arm of described conducting terminal comprise from the adjutage of the downward-sloping extension of base portion and from adjutage away from the upwardly extending elastic arm of base portion one end, the contact site of described conducting terminal upwards extends in the same way with base portion and expands outwardly the contact-making surface that is smooth arc with formation along arm, and make the width of the width of contact-making surface greater than arm, described insulating body installed surface is provided with some back-up blocks.
2. low insertion force type socket connector according to claim 1 is characterized in that: the guide channel of described insulating body comprises guidance part and the connecting portion that is connected guidance part and terminal containing slot.
3. low insertion force type socket connector according to claim 2 is characterized in that: it is poroid that described connecting portion is cylinder, and its diameter is less than the level interval of two contact sites.
4 low insertion force type socket connectors according to claim 1 is characterized in that: the contact site top in the vertical direction of described conducting terminal is positioned at the top on base portion top.
5 low insertion force type socket connectors according to claim 1 is characterized in that: the weld part of described conducting terminal is terminal along vertical base portion direction horizontal-extending setting from base portion.
6 low insertion force type socket connectors according to claim 1 is characterized in that: the base portion both sides of described conducting terminal are provided with at least one pair of holding parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100405225A CN100470942C (en) | 2005-06-10 | 2005-06-10 | Low insertion force type socket connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100405225A CN100470942C (en) | 2005-06-10 | 2005-06-10 | Low insertion force type socket connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1877916A CN1877916A (en) | 2006-12-13 |
| CN100470942C true CN100470942C (en) | 2009-03-18 |
Family
ID=37510269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100405225A Active CN100470942C (en) | 2005-06-10 | 2005-06-10 | Low insertion force type socket connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100470942C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602302A (en) * | 2016-12-23 | 2017-04-26 | 池州信安电子科技有限公司 | Electric connector terminal |
| CN106785544A (en) * | 2016-12-23 | 2017-05-31 | 池州信安电子科技有限公司 | CPU connector terminal |
| WO2021087719A1 (en) * | 2019-11-05 | 2021-05-14 | Techtronic Cordless Gp | Battery interface for electrical device |
-
2005
- 2005-06-10 CN CNB2005100405225A patent/CN100470942C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN1877916A (en) | 2006-12-13 |
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| C14 | Grant of patent or utility model | ||
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