CN1805669A - Electric connector - Google Patents

Electric connector Download PDF

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Publication number
CN1805669A
CN1805669A CN 200510037685 CN200510037685A CN1805669A CN 1805669 A CN1805669 A CN 1805669A CN 200510037685 CN200510037685 CN 200510037685 CN 200510037685 A CN200510037685 A CN 200510037685A CN 1805669 A CN1805669 A CN 1805669A
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CN
China
Prior art keywords
lid
insulating body
electric connector
catch member
clamping part
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.)
Granted
Application number
CN 200510037685
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Chinese (zh)
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CN100546446C (en
Inventor
中尾賢三
許修源
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foxconn Kunshan Computer Connector Co Ltd
Hon Hai Precision Industry Co Ltd
Original Assignee
Foxconn Kunshan Computer Connector Co Ltd
Hon Hai Precision Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Foxconn Kunshan Computer Connector Co Ltd, Hon Hai Precision Industry Co Ltd filed Critical Foxconn Kunshan Computer Connector Co Ltd
Priority to CNB2005100376858A priority Critical patent/CN100546446C/en
Publication of CN1805669A publication Critical patent/CN1805669A/en
Application granted granted Critical
Publication of CN100546446C publication Critical patent/CN100546446C/en
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  • Testing Of Individual Semiconductor Devices (AREA)

Abstract

The invention relates to an electric connector to electrically connect the chip module to the circuit board. Said electric connector comprises an insulated main body, several conductive terminals inside the main body, the first cover axially connected to the main body, and the second cover axially connected to the first cover. Wherein, one end of second cover has a clamping element, and another end has a clamped part which can be clamped in the insulated main body; the main body has the clamping part relative to the clamping element; the axial connection point of first and second covers is between the clamping element and the clamped part and near the clamped part; when the electric connector is closed, the clamping element of second cover and the clamped part are both clamped on the insulated main body, therefore, the second cover can be compressed on the first cover and stably clamped on the main body. The invention can reduce the bear force of clamping element of second cover, which will not be damaged and released easily to confirm reliable electric connection.

Description

Electric connector
[technical field]
The invention relates to a kind of electric connector, refer to a kind of especially in order to electrically connect the electric connector of Electronic Packaging to circuit board.
[background technology]
In the circuit that is made of several actives and passive device, Electronic Packaging such as chip module are the miniaturized electric sub-elements, and in use safe and reliable in order to guarantee it, nearly all chip module all must be tested before installation.Chip module is carried out long high temperature running, can make and exist the chip module of defective to lose efficacy as early as possible, eliminate thereby defective chip module screened, and by the chip module of test soldered or be assembled to electronic terminal product after just can use safely, can premature failure.Electric connector is used to accommodate chip module, and it is electrically connected to test board it is carried out high temperature running test.Relevant prior art such as United States Patent (USP) disclose for the 5th, 609, No. 497 and the 5th, 100, No. 332.
See also Fig. 1 and Fig. 2, existing a kind of electric connector 1 ', it comprises insulating body 10 ', be articulated in the lid 11 ' of insulating body 10 ' one side and be contained in plurality of conductive terminals (not shown) in the insulating body 10 ', be provided with lip 1041 ' in insulating body 10 ' opposite side, free side in lid 11 ' is articulated with catch member 112 ', this catch member 112 ' is generally made by plastic material, and the end of catch member 112 ' is provided with a trip 1122 ' that can catch on insulating body 10 ' lip 1041 '.
During use, the conducting terminal of electric connector is soldered to the test board electroplax, make lid open to enable possition earlier perpendicular to insulating body 10 ', chip module is placed in the host cavity of insulating body 10 ', then, the application of force rotates to horizontal level with lid 11 ', application of force catch member 112 ' terminal trip 1122 ' catches on the lip 1041 ' of insulating body 10 ', this moment, electric connector 1 ' was in closure state, lid 11 ' directly pushes with the terminal that is contained in the chip module in the insulating body 10 ' and connects, and electric connector is able to chip module is electrically connected to test board.This assembling is carried out continuous high temperature running impelling defective chip module to lose efficacy as early as possible, thereby eliminate defective integrated circuit modules to guarantee the chip module reliability of operation.After high temperature test is intact, push catch member 112 ' downwards, the trip 1122 ' of catch member 112 ' to inner rotary to unclamp the lip 1041 ' of insulating body 10 ', then lid 11 ' is rotated to open position perpendicular to insulating body 10 ', just can take out integrated circuit modules easily, test thereby another integrated circuit modules is electrically connected to test board through test.
Yet, there is defective in the electric connector of this structure: promptly when electric connector is in closure state, lid directly pushes with chip module and contacts, the terminal of chip module can produce active force to lid because of strain, the active force of all terminals is generally very big, especially when number of terminals increases, this active force can be bigger, like this, the latch components of being made by plastic material will be easy to decrease ring owing to bearing this excessive active force, even its trip can't catch on the lip of insulating body and get loose in insulating body, can not closely cooperate with insulating body, thereby lid can not be connected with the terminal of chip module is closely stable, and then influence electric connector and electrically connect performance reliably; Make a concrete analysis of as follows:
See also Fig. 3, lid and insulating body articulated section are A ', and catch member and insulating body hook joint place are B ', and the horizontal range of establishing between A ', the B ' is L 1', insulating body 10 ' is F to the power of lid 1', insulating body is to the directed force F of catch member L', chip module makes a concerted effort to be F to the terminal of lid c', it acts on L 1/ 2 places by stress balance on the lid Y ' direction of principal axis, have: F c'=F 1'+F L' [1. '], by around a B ' torque balance, have: F L' * L 1'=F c* L 1/ 2[is 2. '], can get F thus L'=F c'/2[is 3. '], promptly the power that is subjected to of catch member lock is about half that the chip module terminal is made a concerted effort, like this, thereby makes a concerted effort when big when number of terminals increases terminal, and the suffered power of catch member also can be very big, thereby be easy to infringement and get loose in insulating body.
[summary of the invention]
The technical problem to be solved in the present invention is to provide a kind of chip module is electrically connected to the electric connector of circuit board such as test board, and this electric connector can avoid its catch member to damage, thereby guarantees that it electrically connects performance reliably.
For solving the problems of the technologies described above, electric connector of the present invention comprises insulating body, be contained in the plurality of conductive terminals in the insulating body and be articulated in first lid of insulating body one end, this electric connector also comprises second lid that is articulated with first lid, this second lid is provided with catch member in the one end, the other end relative with it is provided with the clamping part that can be held in insulating body, insulating body is provided with the holding part that matches with catch member, the pivoting point of first lid and second lid is between catch member and clamping part and contiguous clamping part one end, when electric connector was in closure state, catch member and clamping part on described second lid all were held on the insulating body.
Compared with prior art, the present invention is by articulating one second lid on first lid, and the catch member and the clamping part that can be snapped on the insulating body be set respectively in the two ends of this second lid, when connector is in closure state, this second lid is pressed on first lid and catch member and clamping part by its two ends are held on the insulating body, first lid chip module interior with being contained in insulating body directly compresses and contacts, and mainly bear the power that terminal produced from chip module, because the pivoting point of first lid and second lid is between catch member and clamping part and be close to clamping part and away from catch member, so the suffered power of catch member is less, be difficult for being compromised and get loose, thereby guaranteed that electric connector electrically connects performance reliably in insulating body.
[description of drawings]
Fig. 1 is the stereogram that existing electric connector is in opening.
Fig. 2 is the stereogram that existing electric connector shown in Figure 1 is in closure state.
Fig. 3 is the principle schematic when having the electric connector closure state now.
Fig. 4 is the force analysis schematic diagram when having the electric connector closure state now.
Fig. 5 is the three-dimensional exploded view of electric connector of the present invention.
Fig. 6 is that electric connector of the present invention is in the not stereogram of complete opening state.
Fig. 7 is the stereogram of electric connector closure state of the present invention.
Fig. 8 is the stereogram of another angle of electric connector closure state of the present invention.
Fig. 9 is the end view of electric connector closure state of the present invention.
Figure 10 is the principle schematic that the present invention is electrically connected closed operating state.
Figure 11 is the force analysis schematic diagram that the present invention is electrically connected closed operating state.
[embodiment]
See also Fig. 5 to Fig. 9, electric connector 1 of the present invention, in order to carry Electronic Packaging such as chip module (not shown) and to be electrically connected to circuit board such as the test board (not shown), it mainly comprises insulating body 10, is contained in the plurality of conductive terminals (not shown) in the insulating body 10, first lid 12 that is articulated in insulating body 10 1 ends and second lid 14 that is articulated with first lid 12.
Insulating body 10 is roughly the rectangle frame body structure, and the host cavity (not indicating) that it is provided with in order to ccontaining chip module is equiped with bearing plate (not indicating), with the carries chips module in host cavity; Insulating body 10 in the one end be provided with a pair of spaced from each other, and laterally be provided with the pivot joint block 102 of through hole 1020, insulating body 10 is provided with boss 104 in 102 of this two pivot joint blocks, be provided with holding part in the middle of the bottom of this boss 104, in the present embodiment, described holding part is a groove 106.Insulating body 10 is provided with the through hole 100 that laterally runs through, can supply cross bar 20 to pass in its relative other end, and wherein two relative lateral surface certain-lengths of insulating body 10 are extended at the two ends of a cross bar 20, and two relative lateral surfaces of insulating body are not stretched out at the two ends of another cross bar.
First lid 12 also is roughly the rectangle frame body structure of hollow, first lid 12 outwards is provided with lug 122 with contiguous its relative two lateral surfaces, 120 places of the corresponding end of insulating body 10 first contiguous blocks 102 place ends, lug 122 is provided with perforation 1220 by the centre of bottom, first pivot 30 runs through in the through hole 1020 of the perforation 1220 that is contained in lug 122 and insulating body 10 first contiguous blocks 102, so that first lid 12 is articulated in insulating body 10; First lid, the 10 relative other ends are provided with the axis hole 126 that laterally runs through.
Second lid 14 comprises a rectangle framework 140 and is articulated in the catch member 141 of framework one end, framework 140 is provided with front end 1401, rear end 1403 and connect the relative dual-side 1405 of front 1401 and back 1403, framework 140 is provided with a shape opening 142 in the middle part in its front 1401, extend downwards respectively in the end of opening 142 relative dual-sides and to be provided with contiguous block 144, the middle part of described contiguous block 144 is provided with through hole 1440 and communicates with opening 142, framework 140 bends downwards in the centre of door shape opening 142 horizontal edges to extend and is provided with elastic tongue piece 146, in the process of Unscrew second lid 14, this elastic tongue piece 146 can be resisted against catch member 141; Have the axis hole 126 that pivoted hole 1400, the second pivots 40 pass the pivoted hole 1400 and first lid 12 in the rear end of framework 140 relative dual-sides 1405, thereby second lid 14 is articulated in first lid 12.This second lid 14 is provided with the clamping part that can be held in insulating body 10 in the rear end of its framework 140, in the present embodiment, described clamping part is from framework 140 relative dual-sides 145 extension folding extensions downwards and to bend the clasp 148 that forms away from pivoted hole 1400 directions.
Catch member 141 comprises that the press section 1410 of an inclination, the connecting portion 1412 that links to each other with press section 1410 reach from the downward extended latch part in connecting portion 1412 lengthwise bases, in the middle part of the cross section of connecting portion 1422, run through and be provided with connecting hole 1414, connecting rod 50 passes the through hole 1440 on connecting hole 1414 and second lid, 14 contiguous blocks 144, thereby catch member 141 is articulated on second lid 14.In this specific embodiment, described latch part is the two a pair of grabs 1416 that are intervally installed, when electric connector 1 is in closure state, described snap hook 1416 matches with groove 106 on the insulating body, thereby with the catch member snap close in insulating body 10, so that electric connector 1 is locked in closure state.
During use, the conducting terminal of electric connector is soldered to the test board electroplax, make first earlier, second lid 12,14 make electric connector 1 be in opening, chip module is placed in the host cavity of insulating body 10, then, with first, second lid 12,14 rotate to horizontal level, second lid 14 is pressed on first lid 12, the button hook 148 of second lid 14 catches on the through hole 100 that runs through insulating body 10 and extends the two ends of a cross bar 20 of two relative lateral surfaces of insulating body 10, and the trip 1416 of catch member 141 is detained by groove 106 and is held on the insulating body 10, thereby second lid 14 is stablized snap close on insulating body 10, this moment, electric connector 1 was in closure state, the conducting strip of chip module and the conducting terminal of electric connector compress and connect, electric connector is able to chip module is electrically connected to test board, then this assembling is carried out the continuous high temperature running to impel defective chip module to lose efficacy as early as possible.After high temperature test is intact, the press section 1410 of extruding catch member 141, the trip 1416 of catch member 141 to inner rotary to unclamp the holding part of insulating body 10, rotate up second lid 14 then, the button hook 148 of second lid 14 is to inner rotary and throw off cross bar 20 on the insulating body 10, elastic tongue piece 146 is resisted against catch member 141, continue rotation second lid 14 to first, second lid 12,14 are shown in an open position, even electric connector 1 is in the complete opening state, just can take out integrated circuit modules easily, test thereby another integrated circuit modules is electrically connected to test board through test.
See also Fig. 8 and Fig. 9, when electric connector 1 is in closed operating state, first lid 12 directly pushes with chip module in being placed in insulating body 10 and contacts, and the active force that produces because of extruding of the conducting strip that directly bears chip module, owing on first lid 12, be articulated with second lid 14, second lid 14 by the one end button hook 148 and the catch member of the other end on 141 grab 1416 be snapped on the insulating body 10, and the pivoting point of first lid 12 and second lid is between described button hook 148 and grab 1424 and insulating body 10 contact points and away from catch member 141, like this, main stressed place is first lid 10 in these 10 articulated sections and second lid 14 contact portion with insulating body 10 that insulate, it is then less to be articulated in the suffered power of catch member 141 on second lid, and details are as follows in concrete analysis:
See also Figure 10 and Figure 11, respectively first lid 12 and second lid 14 are carried out force analysis, establish all conducting strips of chip module the terminal of first lid 12 is made a concerted effort to be F c, that first lid 12 and insulating body 10 pivoting point A places are subjected to is F 1, the interaction force F of first lid 12 and second lid, 14 articulated section B 2, it is F that second lid 14 is detained the suffered power of the C of the place of holding with insulating body 10 3, it is F that the catch member 141 on second lid 14 is detained the suffered power of the D of the place of holding with insulating body 10 lWherein the horizontal range between A, the B is L on first lid 12 1, the horizontal range on second lid 14 between C, the D is L 2For first lid 12, by stress balance on the Y direction, have: F c=F 1+ F 2[1.], by around an A torque balance, have: F 2* L 1=F c* L 1/ 2[is 2.], can get F thus 2=F c/ 2[3.]; In like manner second lid 14 by stress balance on the Y direction, has: F 2=F 3+ F L, [4.] by around a D torque balance, has: F 3* L 2=F 2* L 1[5.]; Formula [3.] substitution formula [5.] can be got F 3=F cL 1/ 2 L 2, substitution formula [4.] can draw F L=F c(L 2-L 1)/2L 2[6.], because (L 2-L 1) very little, i.e. (L 2-L 1)/L 2＜＜1, thus F is arranged L＜＜F c/ 2[is 7.], with corresponding formula F in formula [7.] and the prior art L'=F c'/2[is 3. '] more as can be known, the suffered power of catch member has reduced compared to prior art, and as can be seen, even work as number of terminals more for a long time, its suffered power is also less relatively, thereby can not be easy to because of income is excessive the infringement or even get loose in insulating body, thereby can guarantee that electric connector electrically connects performance reliably.

Claims (8)

1. electric connector, in order to the carries chips module and be electrically connected to circuit board, it comprises insulating body, be contained in the plurality of conductive terminals in the insulating body and be articulated in first lid of insulating body one end, it is characterized in that: this electric connector also comprises second lid that is articulated with first lid, this second lid is provided with catch member in the one end, be provided with the clamping part that can be held on the insulating body in the relative other end, insulating body is provided with the holding part that cooperates with catch member, and the pivoting point of first lid and second lid is between catch member and clamping part and contiguous clamping part one end, when electric connector was in closure state, catch member and clamping part on described second lid all were held on the insulating body.
2. electric connector as claimed in claim 1 is characterized in that: described catch member is for being articulated on second lid.
3. electric connector as claimed in claim 2 is characterized in that: second lid is provided with an opening corresponding to the catch member position, is provided with contiguous block in downward extension of the relative dual-side of this opening, and catch member is connected between described two contiguous blocks.
4. electric connector as claimed in claim 3, it is characterized in that: described catch member comprise the press section, with the connecting portion of press section adjacency and the latch part of extending from connecting portion, connecting portion is connected on described two contiguous blocks, and latch part matches with holding part on the insulating body.
5. electric connector as claimed in claim 4 is characterized in that: described latch part is two clasps of separate setting, and the holding part that matches with latch part on the insulating body is a groove.
6. electric connector as claimed in claim 4 is characterized in that: second lid also bends in the middle part of opening horizontal edge to extend and is provided with the elastic tongue piece that can be resisted against catch member.
7. as each described electric connector of claim 1 to 6, it is characterized in that: the clamping part and second lid are one-body molded, and it is for bending the clasp that forms from the relative dual-side of second lid to extending away from the catch member direction.
8. electric connector as claimed in claim 7, it is characterized in that: second holding part on the described insulating body forms like this, be that insulating body is provided with through hole corresponding to second clamping part, one end, in through hole, run through and contain the cross bar that its two ends stretch out certain distance outside the relative two sides of insulating body, when electric connector was in closure state, the clamping part button on second lid was held the residence and is stated cross bar and stretch out the outer two ends of insulating body.
CNB2005100376858A 2005-01-10 2005-01-10 Electric connector Active CN100546446C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2005100376858A CN100546446C (en) 2005-01-10 2005-01-10 Electric connector

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Application Number Priority Date Filing Date Title
CNB2005100376858A CN100546446C (en) 2005-01-10 2005-01-10 Electric connector

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CN1805669A true CN1805669A (en) 2006-07-19
CN100546446C CN100546446C (en) 2009-09-30

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101271355B (en) * 2007-03-19 2011-02-09 株式会社东芝 Electronic equipment and personal computer
CN107666044A (en) * 2016-07-28 2018-02-06 黄家怡 Electric connector
CN112490712A (en) * 2019-09-12 2021-03-12 富士康(昆山)电脑接插件有限公司 Electrical connector

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5827400A (en) * 1981-08-11 1983-02-18 山一電機工業株式会社 Locking mechanism for ic retaining plate in ic socket
JPS59135699U (en) * 1983-02-28 1984-09-10 山一電機工業株式会社 IC holding device in IC socket

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101271355B (en) * 2007-03-19 2011-02-09 株式会社东芝 Electronic equipment and personal computer
CN107666044A (en) * 2016-07-28 2018-02-06 黄家怡 Electric connector
CN112490712A (en) * 2019-09-12 2021-03-12 富士康(昆山)电脑接插件有限公司 Electrical connector
US11322871B2 (en) 2019-09-12 2022-05-03 Foxconn (Kunshan) Computer Connector Co., Ltd. Electrical connector assembly having floating heat sink in resilient manner
CN112490712B (en) * 2019-09-12 2022-05-24 富士康(昆山)电脑接插件有限公司 Electrical connector

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