CN103579799A - Electric connector - Google Patents
Electric connector Download PDFInfo
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- CN103579799A CN103579799A CN201210281651.3A CN201210281651A CN103579799A CN 103579799 A CN103579799 A CN 103579799A CN 201210281651 A CN201210281651 A CN 201210281651A CN 103579799 A CN103579799 A CN 103579799A
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- projection
- terminal
- insulating body
- electric connector
- holding tank
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Abstract
An electric connector comprises an upper insulating body, a lower insulating body and a conductive terminal, wherein the lower insulating body is assembled on the upper insulating body, the upper insulating body is provided with an upper protruding column, and the lower insulating body is provided with a lower protruding column. The conductive terminal comprises an upper terminal and a lower terminal matched with the upper terminal, wherein the upper terminal is assembled in the upper insulating body, and the lower terminal is fixedly held in the lower insulating body. The contact area of the upper protruding column and the lower protruding column is plated with a metal layer.
Description
[technical field]
The present invention relates to a kind of electric connector, relate in particular to a kind of chip module that can be electrically connected to the electric connector of printed circuit board (PCB).
[background technology]
Electric connector of planar grid array is widely used in electronic applications, is used for chip module to be electrically connected to circuit board, to realize the transmission of signal and data between chip module and circuit board.Along with the development of electronic technology, the arranging density of the conducting strip of chip module and circuit board is increasing, and is used in the size of the planar grid array electric connector in this field and highly more and more less, and terminal arranging density requires more and more intensive.In such cases, when the signal of electric connector between chip module connection and circuit board transmits, must will cause adjacent closely spaced terminal that electromagnetic interference occurs when the signal transmission, and once generation electromagnetic interference between adjacent signals will affect the quality that between chip module and circuit board, signal transmits.So in order to ensure the signal transmission integrity between chip module and circuit board, the electric connector with the screening arrangement of the electromagnetic interference of preventing just becomes and is even more important.
TaiWan, China patent announcement has disclosed a kind of electric coupler component that can shield electromagnetic interference for No. M419248, it comprises insulating body, is housed in the conducting terminal in insulating body, insulating body has continuing surface, installed surface and is provided with some terminal grooves that run through continuing surface and installed surface, wherein said terminal groove comprises the first groove and the second groove, conducting terminal is housed in the first groove, and this electric connector also comprises the metallic shield sheet being installed with in the second groove.But conducting terminal extends the upper surface of insulating body, and after conducting terminal distortion, the space between the contact chip of chip module is taken by the contact site of conducting terminal, affects the overall performance of electric connector, and is unfavorable for realizing the electromagnetic shielding of electric connector.
In view of above-mentioned condition, the necessary defect of a kind of novel electric connector to exist in solution prior art scheme that provide.
[summary of the invention]
The object of this invention is to provide a kind of can simplified design difficulty and can reach the electric connector of better shield effectiveness.
Electric connector of the present invention is achieved through the following technical solutions: a kind of electric connector, it comprises that insulating body, group are located at lower insulating body and the conducting terminal on insulating body, described conducting terminal comprises upper terminal and the lower terminal coordinating with upper terminal, described upper end subgroup is located in insulating body, lower terminal is retained in lower insulating body, described upper insulating body has upper projection, and lower insulating body has lower projection, and described upper projection is coated with metal level with the region that lower projection contacts.
The present invention further defines: described upper terminal comprises matrix and from matrix downwards and the dome protruding out to a side, and described lower terminal comprises main part, autonomous body upwards and the kink extending to a lateral buckling, from kink upwards and the weld part that extends downwards of the elastic arm extending to opposite side bending and autonomous body.
The present invention further defines: the elastic arm that the dome of described upper terminal compresses lower terminal moves downward and dome slippage on elastic arm.
The present invention further defines: described upper terminal compresses lower terminal can become the motion in lower terminal horizontal direction by the conversion of motion in upper terminal vertical direction.
The present invention further defines: the matrix of described upper terminal is provided with " V " connected in star in order to contact with chip module.
The present invention further defines: described upper insulating body comprises upper end face and the upper bottom surface being oppositely arranged and run through end face and the upper holding tank of upper bottom surface, described upper projection comprise protrude out end face the first projection, protrude out the second projection of upper bottom surface and connect the first projection and the upper connecting portion of the second projection.
The present invention further defines: the region that described upper connecting portion is exposed to holding tank is coated with described metal level, and described metal level upwards connects the first projection and connects the second projection downwards.
The present invention further defines: described lower insulating body comprises lower end face and the bottom surface being oppositely arranged and the lower holding tank that runs through lower end face and bottom surface, described lower projection comprise protrude out bottom surface the 3rd projection, protrude out the 4th projection of lower end face and connect the 3rd projection and the lower connecting portion of the 4th projection.
The present invention further defines: the region that described lower connecting portion is exposed to lower holding tank is coated with described metal level, and described metal level upwards connects the 3rd projection and connects the 4th projection downwards.
The present invention further defines: described upper insulating body comprises the terminal containing slot being communicated with upper holding tank, and described upper terminal is installed with in terminal containing slot, and described lower terminal is housed in lower holding tank.
Compared to prior art, at least there is following advantage in electric connector of the present invention: electric connector has upper insulating body and lower insulating body and upper terminal and the lower terminal that minute is arranged and cooperatively interacts, can simplified design difficulty, and upper projection is coated with metal level with the region that lower projection contacts, and with this, reaches preferably shield effectiveness.
[accompanying drawing explanation]
Fig. 1 is the three-dimensional combination figure that the present invention is provided with the electric connector of earthing device.
Fig. 2 is the three-dimensional combination figure of another angle of the present invention's electric connector of being provided with earthing device.
Fig. 3 is the three-dimensional exploded view of the part assembly of the present invention's electric connector of being provided with earthing device.
Fig. 4 is the three-dimensional exploded view of another angle of the part assembly of the present invention's electric connector of being provided with earthing device.
Fig. 5 is the three-dimensional exploded view of electric connector of the present invention.
Fig. 6 is the three-dimensional exploded view of another angle of electric connector of the present invention.
Fig. 7 is that the present invention is provided with the cutaway view of the electric connector of earthing device along A-A direction in Fig. 1.
Fig. 8 is the present invention is provided with the electric connector of the earthing device compressed cutaway view of lower terminal along A-A direction in Fig. 1.
[embodiment]
Refer to shown in Fig. 1 to Fig. 8, electric connector 100 is used for being electrically connected chip module (not shown) and circuit board (not shown), and this electric connector 100 comprises insulating body (not label), some conducting terminal (not label) and some tin balls 6 being housed in insulating body.Insulating body comprises that insulating body 1 and group are located at the lower insulating body 2 on insulating body 1, and conducting terminal comprises upper terminal 3 and the lower terminal 4 coordinating with upper terminal 3.
Please consult shown in Fig. 3 to Fig. 6 by emphasis, upper insulating body 1 is made by insulating material, the upper end face 11 that it comprises upper body portion 10, be oppositely arranged with upper bottom surface 12, run through upper end face 11 and the upper holding tank 16 of upper bottom surface 12 and the terminal containing slot 17 being connected with upper holding tank 16.Terminal containing slot 17 and upper holding tank 16 are used for accommodating upper terminal 3 jointly, and upper holding tank 16 is used for holding lower terminal 4.Upper holding tank 16 from upper bottom surface 12 upwards body 10 be recessed to form, upper holding tank 16 comprises from upper end face 11 accepting hole 18 that upwards body 10 is recessed to form.Upper insulating body 1 also comprises projection (not label), upper projection comprises that protruding out end face 11 is step-like the first projection 13, protrudes out upper bottom surface 12 and be the second step-like projection 14 and connect the first projection 13 and the upper connecting portion 15 of the second projection 14, the region plating that upper connecting portion 15 is exposed to accepting hole 18 is provided with metal level 5, and metal level 5 extends upward and connects the first projection 13 and connect the second projection 14 to downward-extension.The length of the second projection 14 is greater than the length of the first projection 13, is used for coordinating with lower insulating body 2.
Lower insulating body 2 is made by insulating material, the lower end face 21 that it comprises lower body 20, be oppositely arranged and bottom surface 22 and run through the lower holding tank 26 of lower end face 21 and bottom surface 22.Lower holding tank 26 is used for accommodating lower terminal 4.Lower insulating body 2 also comprises the terminal fixing groove 27 that is communicated with lower holding tank 26 and is used for fixing lower terminal 4.Lower insulating body 2 also comprises lower projection (not label), lower projection comprises that protruding out bottom surface 22 is step-like the 3rd projection 23, protrudes out lower end face 21 and be the 4th step-like projection 24 and connect the 3rd projection 23 and the lower connecting portion 25 of the 4th projection 24, the region plating that lower connecting portion 25 is exposed to lower holding tank 26 is provided with metal level 5, and metal level 5 connects the 3rd projection 23 and extends upward connection the 4th projection 24 to downward-extension.The length of the 4th projection 24 is greater than the length of the 3rd projection 23, is used for coordinating with upper insulating body 1.
Refer to shown in Fig. 5 to Fig. 6, conducting terminal (not label) comprises upper terminal 3 and the lower terminal 4 coordinating with upper terminal 3.Upper terminal 3 comprises matrix 30 and from matrix 30 dome 31 downward and that extend to a side, is used for lower terminal 4 in electrical contact.Dome 31 is cambered surface setting and is roughly 1/2 cylinder, and the matrix 30 of upper terminal 3 is provided with " V " connected in star 32, more firm while being used for contacting with chip module.Lower terminal 4 comprises main part 40, autonomous body 40 upwards and the kink 41 extending to main part 40 1 lateral bucklings, from kink 41 upwards and the elastic arm 42 extending to the opposite side bending of main part 40 and autonomous body 40 to the weld part 44 of downward-extension, lower terminal 4 also comprises the holding parts 43 that autonomous body 40 extends to both sides.Holding parts 43 is retained in terminal fixing groove 27.Tin ball 6 is contained in lower holding tank 26, and by the sidewall (not label) of weld part 44 and lower holding tank 26, tin ball 6 is fixed on lower body 20.
It is upper that upper tin ball 7 is located at chip module (not shown), and 7 groups, upper tin ball is located on the first projection 13 of electric connector 100, and the metal level 5 being located on the first projection 13 with plating is in electrical contact.8 groups, lower tin ball is located on circuit board (not shown), 8 groups, lower tin ball is located on the 3rd projection 23 of electric connector 100, and in electrical contact with the metal level 5 that plating is located on the 3rd projection 23, be used for chip module, electric connector and circuit board to electrically conduct, to form the passage of leading fast electromagnetic shielding off, and then reach preferably shield effectiveness.
Refer to shown in Fig. 7 to Fig. 8, after having assembled, upper insulating body 1 connects with lower insulating body 2, and the second projection 14 is contained in lower holding tank 26 and the 4th projection 24 is contained in accepting hole 18.Upper projection (not label) is all coated with metal level 5 with the region that lower projection (not label) contacts.Upper projection is wedge type setting and lower projection is the setting of falling wedge type, and the second projection 14 and upper connecting portion 15 contact with the 4th projection 24 and lower connecting portion 25, and the region of contact is all coated with metal level 5.Upper terminal 3 is contained in terminal containing slot 17, and can terminal containing slot 17 and on move up and down in holding tank 16, terminal containing slot 17 is provided with the resettlement section 19 that holds dome 31.Lower terminal 4 is retained in terminal fixing groove 27 and elastic arm 42 is contained in holding tank 16 and can be in the interior motion of upper holding tank 16.
After chip module is assembled on electric connector 100, chip module compresses upper terminal 3 and moves downward, and then the elastic arm 42 that the dome 31 that makes upper terminal 3 compresses lower terminal 4 moves downward and dome 31 slippage on elastic arm 42, the elastic arm 42 that the dome 31 of upper terminal 3 compresses lower terminal 4 can become the motion in lower terminal 4 horizontal directions by the conversion of motion in upper terminal 3 vertical direction, refer to shown in Fig. 8, the conducting terminal of electric connector 100 is forced into limiting condition, and upper terminal 3 and lower terminal 4 realize stable in electrical contact.
It should be noted that, in illustrative embodiments of the present invention, upper tin ball 7 and lower tin ball 8 comprise the weld assembly of the Metal Contact end of any kind.
Should be understood that, the foregoing is only preferred forms of the present invention, be not whole execution modes, the variation of any equivalence that those of ordinary skills take technical solution of the present invention by reading specification of the present invention, is claim of the present invention and contains.
Claims (10)
1. an electric connector, it comprises that insulating body, group are located at lower insulating body and the conducting terminal on insulating body, described conducting terminal comprises upper terminal and the lower terminal coordinating with upper terminal, described upper end subgroup is located in insulating body, lower terminal is retained in lower insulating body, it is characterized in that: described upper insulating body has upper projection, lower insulating body has lower projection, and described upper projection is coated with metal level with the region that lower projection contacts.
2. electric connector as claimed in claim 1, it is characterized in that: described upper terminal comprises matrix and from matrix downwards and the dome protruding out to a side, described lower terminal comprises main part, autonomous body upwards and the kink extending to a lateral buckling, from kink upwards and the weld part that extends downwards of the elastic arm extending to opposite side bending and autonomous body.
3. electric connector as claimed in claim 2, is characterized in that: the elastic arm that the dome of described upper terminal compresses lower terminal moves downward and dome slippage on elastic arm.
4. electric connector as claimed in claim 1, is characterized in that: described upper terminal compresses lower terminal the conversion of motion in upper terminal vertical direction is become to the motion in lower terminal horizontal direction.
5. electric connector as claimed in claim 2, is characterized in that: the matrix of described upper terminal is provided with " V " connected in star in order to contact with chip module.
6. electric connector as claimed in claim 1, it is characterized in that: described upper insulating body comprises upper end face and the upper bottom surface being oppositely arranged and run through end face and the upper holding tank of upper bottom surface, described upper projection comprise protrude out end face the first projection, protrude out the second projection of upper bottom surface and connect the first projection and the upper connecting portion of the second projection.
7. electric connector as claimed in claim 6, is characterized in that: the region that described upper connecting portion is exposed to holding tank is coated with described metal level, and described metal level upwards connects the first projection and connects the second projection downwards.
8. electric connector as claimed in claim 6, it is characterized in that: described lower insulating body comprises lower end face and the bottom surface being oppositely arranged and the lower holding tank that runs through lower end face and bottom surface, described lower projection comprise protrude out bottom surface the 3rd projection, protrude out the 4th projection of lower end face and connect the 3rd projection and the lower connecting portion of the 4th projection.
9. electric connector as claimed in claim 8, is characterized in that: the region that described lower connecting portion is exposed to lower holding tank is coated with described metal level, and described metal level upwards connects the 3rd projection and connects the 4th projection downwards.
10. electric connector as claimed in claim 8, is characterized in that: described upper insulating body comprises the terminal containing slot being communicated with upper holding tank, and described upper terminal is installed with in terminal containing slot, and described lower terminal is housed in lower holding tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210281651.3A CN103579799B (en) | 2012-08-09 | 2012-08-09 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210281651.3A CN103579799B (en) | 2012-08-09 | 2012-08-09 | Electric connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103579799A true CN103579799A (en) | 2014-02-12 |
| CN103579799B CN103579799B (en) | 2017-03-08 |
Family
ID=50051058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210281651.3A Active CN103579799B (en) | 2012-08-09 | 2012-08-09 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103579799B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110277674A (en) * | 2018-06-12 | 2019-09-24 | 番禺得意精密电子工业有限公司 | Electric connector |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993004512A1 (en) * | 1991-08-22 | 1993-03-04 | Augat Inc. | Modular pad array interface |
| CN200987030Y (en) * | 2006-11-13 | 2007-12-05 | 富士康(昆山)电脑接插件有限公司 | Electrical connector |
| CN101154782A (en) * | 2006-09-29 | 2008-04-02 | 富士康(昆山)电脑接插件有限公司 | Electric connector and manufacturing method thereof |
| CN101958480A (en) * | 2009-07-13 | 2011-01-26 | 富士康(昆山)电脑接插件有限公司 | Electrical connector |
| CN101997190A (en) * | 2009-08-14 | 2011-03-30 | 富士康(昆山)电脑接插件有限公司 | Electric connecting device |
| CN102117986A (en) * | 2010-01-06 | 2011-07-06 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN202034574U (en) * | 2011-03-14 | 2011-11-09 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN202067956U (en) * | 2011-04-20 | 2011-12-07 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN202172179U (en) * | 2011-06-16 | 2012-03-21 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
-
2012
- 2012-08-09 CN CN201210281651.3A patent/CN103579799B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993004512A1 (en) * | 1991-08-22 | 1993-03-04 | Augat Inc. | Modular pad array interface |
| CN101154782A (en) * | 2006-09-29 | 2008-04-02 | 富士康(昆山)电脑接插件有限公司 | Electric connector and manufacturing method thereof |
| CN200987030Y (en) * | 2006-11-13 | 2007-12-05 | 富士康(昆山)电脑接插件有限公司 | Electrical connector |
| CN101958480A (en) * | 2009-07-13 | 2011-01-26 | 富士康(昆山)电脑接插件有限公司 | Electrical connector |
| CN101997190A (en) * | 2009-08-14 | 2011-03-30 | 富士康(昆山)电脑接插件有限公司 | Electric connecting device |
| CN102117986A (en) * | 2010-01-06 | 2011-07-06 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN202034574U (en) * | 2011-03-14 | 2011-11-09 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN202067956U (en) * | 2011-04-20 | 2011-12-07 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN202172179U (en) * | 2011-06-16 | 2012-03-21 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110277674A (en) * | 2018-06-12 | 2019-09-24 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN110277673A (en) * | 2018-06-12 | 2019-09-24 | 番禺得意精密电子工业有限公司 | Electric connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103579799B (en) | 2017-03-08 |
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