CN201178235Y - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN201178235Y CN201178235Y CNU2008200067251U CN200820006725U CN201178235Y CN 201178235 Y CN201178235 Y CN 201178235Y CN U2008200067251 U CNU2008200067251 U CN U2008200067251U CN 200820006725 U CN200820006725 U CN 200820006725U CN 201178235 Y CN201178235 Y CN 201178235Y
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- CN
- China
- Prior art keywords
- terminal
- pedestal
- electric connector
- fixed head
- elastic arm
- 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 - Fee Related
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Abstract
The utility model relates to an electrical connector which comprises an insulating body, a plurality of terminals and at least one limiting piece. The insulating body comprises a plurality of penetrable terminal-accommodating parts. A protruded piece is arranged on the inner wall of the insulating body. Each terminal comprises an upright fixed plate. Two fixed lugs are respectively arranged on both sides of the fixed plate. The lower part of the fixed plate is folded to form a welding part. The welding part is further connected upwards with a pedestal. A limiting raised sheet extends outwards from the upper part of the pedestal. The limiting raised sheet is used for supporting the protruded piece. A pair of elastic arms is respectively formed by folding and extending upwards the two lateral edges of the pedestal. Additionally, the limiting piece is positioned in the accommodating part of each terminal and between the elastic arms and faces the lateral edge of the elastic arm, which is away from the pedestal. The electrical connector adopts the limiting piece and the limiting raised sheet in the movement direction where the pin moves inwards or outwards relative to the contact part, to allow the pin to move smoothly and stably keep the relative contact position between the pin and the contact part of the terminal, thereby avoiding the improper deviation or deformation of the terminal due to the friction by the pin.
Description
Technical field
The utility model relates to a kind of electric connector, be meant a kind of array electric connector that is applied to miniature CPU socket (CPU socket) especially, its terminal has spacing lug, and has locating part between terminal and terminal holding part, avoids terminal driven by stitch and causes distortion improperly.
Background technology
China utility model patent CN200520112143.8 discloses a kind of terminal 8, as shown in Figure 1, it comprises weld part 81 that a base portion 80, extends from the end bending of this base portion 80, and the elastic portion 82 of extending with respect to the other end of base portion 80 from this weld part 81; This elastic portion 82 comprises two elastic arms 821 of a junction 820, these connecting portion 820 extensions certainly and the metacarpus 822 that extends from each elastic arm 821, and this metacarpus 822 has a guidance part 826 and a contact site 827; And Fig. 2 is the change shape of aforementioned terminal 8, and wherein connecting portion 820 tilts near base portion 80 from weld part 81 bendings.
Because the elastic arm 821 of above-mentioned terminal 8 is cantilever-designed, insert to the zero insertion formula before this guidance part 826 and when stitch (figure do not show) and to do immigration or to shift out action towards this contact site 827, stitch can produce frictional force when contacting with this contact site 827, the elastic arm 821 of frictional force meeting push-pull belt moved end 8 produces with stitch and moves in the same way, so can move the generation resistance to stitch, and stitch and contact site 827 last contact positions may produce skew and can't guarantee to contact with the stable of termination contact portion, in addition, produce the distortion that also can cause this terminal 8 under mobile, the serious situation if this terminal 8 is driven by stitch and frustrate song.
Summary of the invention
Therefore, the purpose of this utility model promptly be to provide a kind of make stitch can smooth and easy action and stable maintenance its with the electric connector of the relative contact position of termination contact portion, and avoid terminal driven by the friction of stitch and cause improper distortion or skew.
So connector terminals of the present utility model has a spacing lug and a fixed head, and has a locating part between terminal and terminal holding part, cooperate to form multidirectional spacing and fixing.
More particularly, electric connector of the present utility model comprises an insulating body, a plurality of terminal and at least one locating part; This insulating body has a plurality of terminal holding parts that run through this insulating body, and the inwall of each terminal holding part is provided with one and protrudes piece; Described a plurality of terminal is placed in respectively in described a plurality of terminal holding part, each terminal comprises upright fixed head, a weld part, a pedestal and an a pair of elastic arm, wherein, the both sides of this fixed head have a fixing projection respectively, and following lateral buckling goes out a weld part, connect this pedestal by this weld part away from bending on the side direction of this fixed head, the last side direction of this pedestal can be resisted against the spacing lug of this protrusion piece away from the direction projection one of this fixed head, and this is extended upward by the both side edges bending of this pedestal respectively elastic arm; And described locating part is arranged at each terminal holding part and this between elastic arm, and in the face of this to the lateral margin of elastic arm away from this pedestal.
Further, electric connector of the present utility model comprise two in the face of this to elastic arm and away from the projection shape locating part of this pedestal lateral margin.
In addition, the top of this protrusion piece also forms the scalariform with a shoulder, and this shoulder has a support surface in the face of this spacing lug.
In an embodiment of the present utility model, described locating part is convexly equipped with on this fixed head.
And in another embodiment of the present utility model, described locating part is convexly equipped with on an inwall of relative this protuberance of this terminal holding part.
Further, each terminal holding part is provided with a mounting groove with respect to an inwall of this protrusion piece, and this mounting groove is overlooked by this terminal holding part top and is the T font, and in order to ccontaining this fixed head, and fixedly projection is fixed with the cell wall interference of this mounting groove.
Above-mentioned this top to elastic arm also forms a pair of contact site respectively, and by this to contact site extend mutually away from a pair of guidance part.
In another embodiment of the present utility model, the side of this weld part bends out a parallel base plate downwards.
Useful technique effect of the present utility model is, this electric connector enters or shifts out the design that utilizes locating part and spacing lug on the direction of action of contact site respectively relatively at stitch, make stitch can smooth and easy action and stable maintenance its with the relative contact position of termination contact portion, and avoid terminal driven by the friction of stitch and cause improper skew or distortion.
Description of drawings
Fig. 1 is the stereogram of an existing terminal.
Fig. 2 is the stereogram of this existing another change shape of terminal among Fig. 1.
Fig. 3 is a stereogram, illustrates that the electric connector of first embodiment of the present utility model comprises an insulating body, a plurality of terminal and a loam cake.
Fig. 4 is that a terminal is not contained in the interior stereogram of a terminal holding part among first embodiment.
Fig. 5 is that this terminal is contained in the interior stereogram of this terminal holding part among Fig. 4.
Fig. 6 is the top perspective view of Fig. 5.
Fig. 7 is the stereogram that Fig. 5 removes a hole wall.
Fig. 8 is the side generalized section that moves into or shift out this termination contact portion after a stitch inserts with the zero insertion formula among first embodiment.
Fig. 9 is a stereogram, illustrates that the side of the weld part of a terminal among second embodiment also bends out a parallel base plate (removing a hole wall) downwards.
Figure 10 is a stereogram, illustrates that a terminal is not contained in the terminal holding part (removing a hole wall) among the 3rd embodiment.
Figure 11 is that this terminal is contained in the interior stereogram (removing a hole wall) of this terminal holding part among Figure 10.
Figure 12 is the side generalized section of Figure 10.
Figure 13 is the vertical view of Figure 10.
Wherein, description of reference numerals is as follows:
1 insulating body, 11 terminal holding parts
111 containing holes, 112 mounting grooves
113 protrude piece 114 shoulders
116 stitch disposal areas, 115 support surfaces
2 terminals, 2 ' terminal
2 " terminal 21 fixed heads
21 " the fixing projection of fixed head 211
212 upper plate portion, 213 lower board units
214 abutment faces, 22 weld parts
22 ' weld part, 221 base plates
23 pedestals, 231 spacing lugs
24 elastic arms, 241 contact sites
242 guidance parts 243 insert the district
3 loam cakes, 4 locating parts
51 first of 5 locating parts
52 second 53 the 3rd
8 terminals, 80 base portions
81 weld parts, 82 elastic portion
820 connecting portions, 821 elastic arms
822 metacarpus, 826 guidance parts
827 contact site d
1Spacing
d
2Spacing P stitch position
P ' stitch position
Embodiment
About aforementioned and other technology contents, characteristics and effect of the present utility model, reach with reference to the accompanying drawings in the detailed description of three embodiment in following cooperation, can clearly present.
Before describing the utility model in detail, be noted that in the following description content, similar elements is represented with identical Reference numeral.
Consult Fig. 3, first embodiment of electric connector of the present utility model is an electric connector that can supply stitch grid array CPU or similar chip module (figure does not show) to peg graft, this electric connector comprises an insulating body 1, a plurality of terminal 2 and a loam cake 3, this insulating body 1 has a plurality of terminal holding parts 11 that array is arranged that vertically run through and be, described terminal holding part is used for ccontaining described a plurality of terminals 2, and this loam cake 3 is in order to cooperate gland directly over this insulating body 1.
Consult Fig. 4 and Fig. 5, each terminal holding part 11 comprises a containing hole 111, and (the right lateral side hole wall of Fig. 4) is provided with a mounting groove 112 on the hole wall of terminal holding part 11 1 sides, and it is a T font (as shown in Figure 6) that this mounting groove 112 is watched from the angle of overlooking.Consult Fig. 6, Fig. 7 and Fig. 8 in addition again, the prominent protrusion piece 113 of establishing of the Lower Half of another hole wall (the front left side hole wall of Fig. 7) of relative this mounting groove 112 in this terminal holding part 11, the top of this protrusion piece 113 forms a shoulder 114, make these protrusion piece 113 integral body be a L shaped scalariform, this shoulder 114 has a support surface 115 in the face of this mounting groove 112.
Each terminal 2 is made of electric conducting material, and as Fig. 4, Fig. 5 and shown in Figure 6, terminal 2 comprises a fixed head 21, a weld part 22, a pedestal 23 and two elastic arms 24.The both sides of this fixed head 21 are provided with a plurality of fixedly projections 211, the bottom side bends out a weld part 22, be bent to form this pedestal 23 on the side direction of this weld part 22 away from fixed head 21, the top of this pedestal 23 is to the direction projection one spacing lug 231 away from this fixed head 21, the both side edges of this pedestal 23 upwards bends out a pair of elastic arm 24, this is to elastic arm 24 diagonally extending opposite to each other, and the top forms a pair of contact site 241, this, makes this cooperate with guidance part 242 contact site 241 and defines one and overlook and be the ringent insertion of loudspeaker district 243 to extend a pair of guidance part 242 away from the direction of this fixed head 21 contact site 241.In addition, two locating parts 4 are arranged on this fixed head 21, and two locating parts 4 of present embodiment are two projections, respectively with a spacing d
1Face this to the lateral margin of elastic arm 24 away from this pedestal 23; The shape of relevant described locating part 4 except being the above-mentioned projection shape, can also be other shape, as rectangular fin.
Above-mentioned terminal 2 is down installed three angular views such as Fig. 6, Fig. 7 and shown in Figure 8 after (shown in the arrow of Fig. 4) by the top of containing hole 111, wherein this fixed head 21 is placed in this mounting groove 112, and with this fixedly projection 211 and cell wall form interfere fixing, this spacing lug 231 contiguous these shoulders 114 simultaneously, and make between this spacing lug 231 and the support surface 115 a spacing d is arranged
2, in addition, this containing hole 111 is a stitch disposal area 116 between the space definition of 231 of this insertion district 243 and spacing lugs.And but the stitch zero insertion formula of the CPU shown in Fig. 8 or other chip module ground inserts vertically insertion of district 243 by this, and partly be placed in this stitch disposal area 116 (this moment, the stitch position was shown in P), towards this contact site 241 is moved into (this moment, the stitch position was shown in P ') or from this contact site 241 shifted out (returning back to position shown in the P) shown in the arrow among Fig. 8 for another example; Wherein, when stitch contacts contact site 241 with this, except this is strutted towards the both direction perpendicular to the stitch motion respectively elastic arm 24, it is produced outside the strain, frictional force is also passed this simultaneously and is taken near this fixed head 21 to elastic arm 24, this is produced elastic arm 24 pass distortion improperly, surpass this spacing d but work as the passing degree
1The time, this just is resisted against this locating part 4 to elastic arm 24, prevents to pass distortion and continues to enlarge; On the contrary, in the time of will breaking away from this stitch that contact site 241 has been contacted fixing, stitch is towards moving away from this fixed head 21, frictional force is passed the direction of taking to away from this fixed head 21 to this to elastic arm 24, this is produced elastic arm 24 pass distortion improperly, when elastic deformation level surpasses this spacing d
2The time, this spacing lug 231 just is resisted against this support surface 115, reaches the effect that prevents to pass improperly distortion.Simultaneously because this fixed head 21 is subjected to the mounting groove 112 of this T shape spacing respectively, be combined with again this fixedly the interference of projection 211 fix, just can reach and make above-mentioned terminal 2 very firmly be arranged at effect in the terminal holding part 11.Comprehensive above-mentioned effect makes stitch motion very smooth and easy, and stitch and this relative position to contact site 241 can be kept.
In addition, Figure 9 shows that second embodiment of the present utility model, its structure and first embodiment are roughly the same, difference is that the side of the weld part 22 ' of terminal 2 ' also bends out a parallel base plate 221 downwards, supply this terminal 2 ' weldering to establish and be fixed on the circuit board (figure does not show), generally use the tin ball bonding to connect.
The 3rd embodiment of the present utility model and second embodiment are also roughly the same, but the form on the hole wall that another kind of locating part is arranged at containing hole is provided.Orientation with Figure 10, each terminal 2 " fixed head 21 " have a upper plate portion 212 and a lower board unit 213, the width of this upper plate portion 212 is greater than the width of this lower board unit 213, and the both sides of this upper plate portion 212 are provided with a plurality of fixedly projections 211, and downside has abutment face 214 down; In addition, on with respect to the hole wall that protrudes piece 113 (the right side hole wall of Figure 10) be provided with two respectively in the face of this to elastic arm 24 and away from the locating part 5 of these pedestal 23 lateral margins, two locating parts 5 also can be two projections described in the present embodiment, have first 51 respectively up, face mutually towards this 3rd 53 to second 52 and the 3rd 53, two projections of elastic arm 24.
Consult Figure 11, Figure 12 and Figure 13 again, when terminal 2 " down install by the top of containing hole 111 after; this fixed head 21 " upper plate portion 212 be placed in this mounting groove 112, and so that fixedly projection 211 formation interference are fixing, and the abutment face 214 of these upper plate portion 212 belows is resisted against up first 51 of described locating part 5, and lower board unit 213 just is limited in described locating part 5 between opposed facing the 3rd 53; At this moment, this to elastic arm 24 away from the lateral margin of this pedestal 23 and described locating part 5 second 52 respectively with a spacing d
1Be separated by, these spacing lug 231 contiguous these shoulders 114, and make between this spacing lug 231 and the support surface 115 a spacing d is arranged
2By said structure, also can reach described effect as first and second embodiment.
In sum, the utility model utilizes this that elastic arm 24 is resisted against the described locating part 4 of first embodiment or the described locating part 5 of the 3rd embodiment away from the lateral margin of this pedestal 23, prevents that stitch from driving the improper passing distortion that this is caused elastic arm 24 when entering described contact site 241; When the stitch of holding will break away from described contact site 241, be resisted against this support surface 115 by this spacing lug 231, reach the effect of the improper passing distortion of the other direction that prevents terminal, stitch can be moved smoothly and stable maintenance its with the relative contact position of termination contact portion, can reach the purpose of this utility model really.
Yet the above only is preferred embodiment of the present utility model; can not limit practical range of the present utility model with this; be that the simple equivalent that all foundations claim scope of the present utility model and description are done changes and modification, all still belong in the protection range of the present utility model.In addition, summary part and title only are used for assisting the patent document retrieval, are not the protection range that is used for limiting claim of the present utility model.
Claims (8)
1. an electric connector is characterized in that, comprising:
One insulating body has a plurality of terminal holding parts that run through this insulating body, and the inwall of each terminal holding part is provided with one and protrudes piece;
A plurality of terminals are placed in respectively in described a plurality of terminal holding part, and each terminal comprises:
One upright fixed head, dual-side have a fixing projection respectively,
One weld part is extended by the following lateral buckling of this fixed head,
One pedestal is gone out away from bending on the side direction of this fixed head by this weld part, this pedestal
Last side direction can be resisted against the spacing lug of this protrusion piece away from the direction projection one of this fixed head, and
A pair of elastic arm, the both side edges bending by this pedestal extends upward respectively; And
At least one locating part is arranged at and reaches this in each terminal holding part between elastic arm, and faces this to the lateral margin of elastic arm away from this pedestal.
2. according to the described electric connector of claim 1, it is characterized in that, this electric connector comprise two in the face of this to elastic arm and away from the projection shape locating part of this pedestal lateral margin.
3. according to claim 1 or 2 described electric connectors, it is characterized in that the top of this protrusion piece forms the scalariform with a shoulder, this shoulder has a support surface in the face of this spacing lug.
4. according to the described electric connector of claim 3, it is characterized in that described locating part is convexly equipped with on this fixed head.
5. according to the described electric connector of claim 3, it is characterized in that described locating part is convexly equipped with at this terminal holding part relatively on the inwall of this protrusion piece.
6. according to the described electric connector of claim 1, it is characterized in that, each terminal holding part also is provided with a mounting groove with respect to an inwall of this protrusion piece, this mounting groove is overlooked by the top of this terminal holding part and is the T font, in order to ccontaining this fixed head, and should be fixedly projection fix with the cell wall interference of this mounting groove.
7. according to the described electric connector of claim 1, it is characterized in that this top to elastic arm also forms a pair of contact site respectively, by this to contact site extend to form a pair of mutually away from guidance part.
8. according to the described electric connector of claim 1, it is characterized in that the side of this weld part also bends out a parallel base plate downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200067251U CN201178235Y (en) | 2008-02-18 | 2008-02-18 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200067251U CN201178235Y (en) | 2008-02-18 | 2008-02-18 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201178235Y true CN201178235Y (en) | 2009-01-07 |
Family
ID=40218257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200067251U Expired - Fee Related CN201178235Y (en) | 2008-02-18 | 2008-02-18 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201178235Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247214A (en) * | 2018-06-12 | 2019-09-17 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN110350350A (en) * | 2018-04-02 | 2019-10-18 | 青岛安普泰科电子有限公司 | Electric connector |
-
2008
- 2008-02-18 CN CNU2008200067251U patent/CN201178235Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350350A (en) * | 2018-04-02 | 2019-10-18 | 青岛安普泰科电子有限公司 | Electric connector |
| CN110247214A (en) * | 2018-06-12 | 2019-09-17 | 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090107 Termination date: 20160218 |