CN2727996Y - Plane grid array electric connector - Google Patents
Plane grid array electric connector Download PDFInfo
- Publication number
- CN2727996Y CN2727996Y CNU2004200784078U CN200420078407U CN2727996Y CN 2727996 Y CN2727996 Y CN 2727996Y CN U2004200784078 U CNU2004200784078 U CN U2004200784078U CN 200420078407 U CN200420078407 U CN 200420078407U CN 2727996 Y CN2727996 Y CN 2727996Y
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- CN
- China
- Prior art keywords
- elastic arm
- electric connector
- terminal
- insulating body
- chip module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a plane grid array electric connector which is used for electrical connecting a chip module and a circuit board. The plane grid array electric connector comprises an insulating body and a plurality of conductive terminals contained in the insulating body; the insulating body is provided with a plurality of terminal containing slots which are ranged in a matrix; conductive terminals of corresponding quantity are contained in each containing slot; the conductive terminal is provided with an elastic arm slantways extending and a contact part arranged on the end of the elastic arm; wherein, when the conductive terminals are contained in the terminal containing slot of the insulating body, the elastic arms of a part of the conductive terminals extend in a direction opposite to the elastic arms of the other part of the conductive terminals; when the chip module is assembled and connected to the electric connector, the conductive terminals elastically deform because of pressure; the horizontal displacements of the elastic arms of the conductive terminals in an opposite extending direction are in an opposite direction, and level friction force to the chip module is in an opposite direction. Adopting above arrangement and collocation method, the level friction force of the conductive terminals to the chip module can be reduced; as a consequence, horizontal sliding of the chip module corresponding to the insulating body is alleviated.
Description
[technical field]
The utility model is about a kind of electric connector, especially refers to a kind of in order to accept chip module and to be electrically connected to electric connector of planar grid array on the circuit board.
[background technology]
Electric connector of planar grid array is widely used in electric connector field, be used to electrically connect chip module and circuit board, and realize being electrically conducted between electric connector and chip module by the mode of pushing, and chip module is provided with the conducting strip that connects with electric connector.This electric connector generally has the rectangular thin plate shape and is fixed in insulating body on the circuit board, in insulating body, be equipped with plurality of conductive terminals, design feature because of planar lattice array, these conducting terminals generally are provided with longer elastic arm, and be provided with the contact site that the conducting strip with chip module is electrically conducted in the end of elastic arm, these conducting terminals have elasticity preferably, need conducting terminal to be applied an external pressure by other assemblies, make after the conducting terminal generation strain to push with the conducting strip of chip module and contact by its elastic force, thereby reach firmly being electrically conducted of conducting terminal and chip module conducting strip, after this electric connector is connected to circuit board, these conducting terminals are electrically conducted away from the other end and the circuit board of chip module, thereby realize being electrically conducted of chip module and circuit board.
See also Fig. 8 to Figure 11, traditional electric connector of planar grid array 1 ', its insulating body 2 ' is provided with some terminal grooves 20 ' that are arranged in arrays, plurality of conductive terminals 3 ' is placed in the terminal groove 20 ', conducting terminal 3 ' is provided with the contact site 30 ' that connects with chip module 4 ', and wherein conducting terminal 3 ' adopts the mode of arranging in the same way to be contained in the insulating body 2 '.But there is defective in this terminal arrangement mode: promptly behind electric connector 1 ' pressurized, conducting terminal 3 ' pressurized generation strain, the displacement of a horizontal direction will be produced, and the conducting strip 40 ' of chip module 4 ' produced an equidirectional frictional force F1 ', because electric connector 1 ' has a large amount of conducting terminals 3 ', and all conducting terminals are for arranging in the same way, each conducting terminal to horizontal frictional force F1 ' that chip module produced all along same direction, the F ' that makes a concerted effort of all these frictional force F1 ' will promote chip module 4 ' and move horizontally along the direction of F ' with joint efforts, thereby cause insulating body 2 ' and chip module 4 ' relative sliding deformation, and and then cause the conducting terminal 3 ' and the conducting strip 40 ' of chip module 4 ' to be difficult to accurately firmly connect, when serious even make the conducting strip 40 ' of chip module 4 ' depart from the contact site of conducting terminal 3 ', influence the performance that is electrically conducted of electric connector.
Therefore, be necessary to design a kind of new electric connector of planar grid array, to overcome above-mentioned defective.
[utility model content]
The purpose of this utility model is to provide a kind of electric connector of planar grid array, and it can be in order to accepting chip module, and this electric connector can reduce the chip module horizontal sliding problem that conducting terminal causes the horizontal frictional force of chip module.
For achieving the above object, the utility model is by the following technical solutions: a kind of electric connector of planar grid array, in order to electrically connect chip module and circuit board, it comprises the insulating body of squarely roughly and is contained in plurality of conductive terminals in the insulating body, this insulating body is provided with the terminal containing slot of some one-tenth arranged, accommodate a conducting terminal in each accepting groove, conducting terminal is provided with the elastic arm of diagonally extending and is positioned at the contact site of elastic arm end, wherein, when conducting terminal is contained in the insulating body terminal containing slot, the elastic arm of partially conductive terminal is opposite with the elastic arm bearing of trend of another part conducting terminal, when chip module is connected to electric connector, conducting terminal pressurized strain, the horizontal displacement direction of the elastic arm that these bearing of trends are opposite is opposite.
Compared with prior art, the utlity model has following advantage: because the elastic arm of partially conductive terminal is opposite with the elastic arm bearing of trend of another part conducting terminal, when the pressurized strain, the horizontal displacement direction of the elastic arm that bearing of trend is opposite is opposite, the horizontal frictional force direction that chip module is produced is opposite, all conducting terminals are reduced the horizontal frictional force of chip module, or finally can reach balance, thereby can alleviate the chip module horizontal sliding problem that causes because of the horizontal frictional force of conducting terminal.
[description of drawings]
Fig. 1 is conducting terminal and the stereogram of terminal accommodating in insulating body of the utility model electric connector of planar grid array one embodiment.
Fig. 2 is that the conducting terminal of electric connector of planar grid array shown in Figure 1 is contained in the vertical view in the insulating body.
Fig. 3 is that the insulating body of electric connector of planar grid array shown in Figure 1 is not installed conducting terminal stereogram before.
Fig. 4 is that the terminal accommodating of electric connector of planar grid array shown in Figure 1 is in insulating body, and between chip module and circuit board, and the partial sectional view of chip module when not depressing.
Fig. 5 is that the terminal accommodating of electric connector of planar grid array shown in Figure 1 is in insulating body, and between chip module and circuit board, and the partial sectional view of chip module when depressing.
Fig. 6 is the partial enlarged drawing of VI part shown in Figure 5.
The conducting terminal of another embodiment of Fig. 7 the utility model electric connector of planar grid array is contained in the vertical view in the insulating body.
Fig. 8 is the conducting terminal and the stereogram of terminal accommodating in insulating body of existing electric connector of planar grid array.
Fig. 9 is that the conducting terminal of electric connector of planar grid array shown in Figure 8 is contained in the vertical view in the insulating body.
Figure 10 is that electric connector of planar grid array shown in Figure 8 is connected on the circuit board and the assembled sectional view of chip module when not depressing.
Figure 11 is that electric connector of planar grid array shown in Figure 8 is connected on the circuit board and the assembled sectional view of chip module when depressing.
[embodiment]
See also Fig. 1 to Fig. 3, the utility model discloses a kind of electric connector of planar grid array 1, in order to accept chip module 4 and to be electrically connected to circuit board 5 (Fig. 4 and Fig. 5 reference).This electric connector of planar grid array 1 comprises insulating body 2 and is contained in intrinsic plurality of conductive terminals 3.
3 one-tenth roughly symmetrical class similar C-shaped structures of conducting terminal, it comprises fixing base portion 30, holding slot 200 interference engagement of this base portion 30 and terminal containing slot 20, thereby with conducting terminal 3 stable being immobilizated in the corresponding terminal containing slot 20, conducting terminal 3 is provided with first from the oblique extension in the relative both sides of base portion 30, second elastic arm 32,33, in this first, second elastic arm 32,33 end is convexly equipped with respectively and is formed with first, second contact site 34,35, to connect with chip module 3 and circuit board 4 respectively, from first, second contact site 34,35 in opposite directions the bending also be provided with first, second adjutage 36,37.
3 one-tenth staggered reverse configuration modes of conducting terminal are assembled in insulating body 2, be contained in the bearing of trend of first, second elastic arm 32,33 of the conducting terminal 3 of delegation's accepting groove 20 identical, and the bearing of trend of first, second elastic arm 32,33 of any two adjacent lines conducting terminals 3 is opposite, and the bearing of trend of two adjacent conducting terminal elastic arms 32,33 is opposite in the same row.
See also Fig. 4 to Fig. 6, conducting terminal 3 is immobilizated in the insulating body 20, and insulating body 20 is connected to circuit board 5 and between chip module 4 and circuit board 5.Wherein chip module 4 is provided with and is the plurality of conducting strips 40 that standard array is arranged, these conducting strips 40 can push first contact site 34 that promotes conducting terminal 3 and be electrically conducted with it under the effect of external force, also be provided with the plurality of conducting strips 50 that can be electrically conducted with second contact site 35 of conducting terminal 3 on the circuit board 5.When chip module 4 is not depressed (Fig. 4 reference), first, second elastic arm 32,33 of conducting terminal 3 and first, second adjutage 36,37 part respectively protrude in 20 liang of insulating bodies relatively outside the surface, this moment, second contact site 35 of conducting terminal contacted with the conducting strip 50 of circuit board 5, and the conducting strip 40 of chip module 4 does not contact extruding with first contact site 34.When to pressing down chip module 4 when conducting strip 40 and conducting terminal 3 are electrically conducted (Fig. 5 with reference to), conducting strip 40 will push first contact site 34 of conducting terminal 3 downwards, strain takes place because of pressurized in conducting terminal 3, make contact site 34 produce a horizontal displacement perpendicular to conducting terminal 3 pressurized directions, and contact site 34 will produce an equidirectional horizontal frictional force on the conducting strip 40 of chip module 4 in the process of occurred level displacement, because 3 one-tenth staggered reverse configuration of the conducting terminal of this electric connector 1 are contained in the weak point accepting groove of insulating body arranged, the bearing of trend of two adjacent conducting terminal 3 first elastic arms 32 is opposite in the same row terminal containing slot, the horizontal frictional force F1 of the conducting strip 40 of the two 3 pairs of chip modules 4 of conducting terminal that oppositely are provided with, the direction of F2 (Fig. 6 reference) opposite each other, the horizontal frictional force of 3 pairs of chip modules 4 of all conducting terminals may ultimately reach balance, thereby can alleviate chip module 4 that horizontal frictional force the causes horizontal sliding with respect to insulating body 2.
It is to be noted, the conducting terminal 3 of electric connector of planar grid array 1 of the present utility model also not only is confined to above-described concrete structure, also can be the adaptive structure that is electrically conducted with chip module of realizing by the mode of pushing of other various and electric connector, the arrangement setting of conducting terminal 3 in insulating body 2 also is not confined to adopt above-mentioned staggered reverse configuration mode, can also adopt other to arrange set-up mode, please refer to Fig. 7, the terminal containing slot 20 of 2 one-tenth arranged of insulating body is divided into different A, two zones of B, the elastic arm of conducting terminal 3 that is contained in a-quadrant terminal containing slot 20 is opposite with the bearing of trend of the elastic arm of the conducting terminal 3 that is contained in B zone terminal containing slot 20, and the bearing of trend of the elastic arm of the conducting terminal 3 in the same area is identical, in a word, as long as the partially conductive terminal is opposite with the bearing of trend of the elastic arm of another part conducting terminal, when the terminal compressive deformation, the horizontal displacement direction of the elastic arm that bearing of trend is opposite is opposite, horizontal frictional force to chip module is reverse each other, all conducting terminals are reduced the horizontal frictional force of chip module, or final balance mutually, can solve technical problem of the present utility model, realize alleviating the purpose of chip module for the insulating body horizontal sliding.
Claims (6)
1. electric connector of planar grid array, in order to electrically connect chip module and circuit board, it comprises insulating body and is contained in the interior plurality of conductive terminals of insulating body, insulating body is provided with the terminal containing slot of some one-tenth arranged, accommodate a conducting terminal in each accepting groove, conducting terminal is provided with the elastic arm of diagonally extending and is positioned at the contact site of elastic arm end, it is characterized in that: when conducting terminal is contained in terminal containing slot, the elastic arm of partially conductive terminal is opposite with the elastic arm bearing of trend of another part conducting terminal, when chip module is connected to electric connector, conducting terminal pressurized strain, the horizontal displacement direction of the elastic arm that these bearing of trends are opposite is opposite.
2. electric connector of planar grid array as claimed in claim 1 is characterized in that: the bearing of trend of each conducting terminal elastic arm is identical in each row of the terminal containing slot of insulating body arranged.
3. electric connector of planar grid array as claimed in claim 2 is characterized in that: the bearing of trend of adjacent two conducting terminal elastic arms is opposite in each row of the terminal containing slot of insulating body arranged.
4. as claim 2 or 3 described electric connector of planar grid array, it is characterized in that: the elastic arm of described conducting terminal comprises first elastic arm, and described contact site comprises and is positioned at the first elastic arm end, first contact site in order to connect with chip module.
5. electric connector of planar grid array as claimed in claim 4 is characterized in that: described conducting terminal also comprises second elastic arm that is oppositely arranged with first elastic arm and is positioned at this second elastic arm end, second contact site in order to connect with circuit board.
6. electric connector of planar grid array as claimed in claim 1, it is characterized in that: the terminal containing slot of insulating body arranged is divided into two zones, the bearing of trend of elastic arm of conducting terminal that is contained in the zones of different terminal containing slot is opposite, and it is identical to be contained in the bearing of trend of elastic arm of conducting terminal of the same area terminal containing slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200784078U CN2727996Y (en) | 2004-08-02 | 2004-08-02 | Plane grid array electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200784078U CN2727996Y (en) | 2004-08-02 | 2004-08-02 | Plane grid array electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2727996Y true CN2727996Y (en) | 2005-09-21 |
Family
ID=35044005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200784078U Expired - Lifetime CN2727996Y (en) | 2004-08-02 | 2004-08-02 | Plane grid array electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2727996Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746202A (en) * | 2013-12-25 | 2014-04-23 | 华为技术有限公司 | Connector, daughter card and communication device |
| US10103470B2 (en) | 2017-01-18 | 2018-10-16 | Lotes Co., Ltd. | Electrical connector |
| CN112397921A (en) * | 2019-08-13 | 2021-02-23 | 富士康(昆山)电脑接插件有限公司 | CPU socket connector |
| US11411338B2 (en) | 2019-08-13 | 2022-08-09 | Foxconn (Kunshan) Computer Connector Co., Ltd. | Mixer pitch arrangement for CPU socket |
-
2004
- 2004-08-02 CN CNU2004200784078U patent/CN2727996Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746202A (en) * | 2013-12-25 | 2014-04-23 | 华为技术有限公司 | Connector, daughter card and communication device |
| CN103746202B (en) * | 2013-12-25 | 2016-02-03 | 华为技术有限公司 | Connector, subcard and communication equipment |
| US10103470B2 (en) | 2017-01-18 | 2018-10-16 | Lotes Co., Ltd. | Electrical connector |
| CN112397921A (en) * | 2019-08-13 | 2021-02-23 | 富士康(昆山)电脑接插件有限公司 | CPU socket connector |
| US11411338B2 (en) | 2019-08-13 | 2022-08-09 | Foxconn (Kunshan) Computer Connector Co., Ltd. | Mixer pitch arrangement for CPU socket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140802 Granted publication date: 20050921 |