CN102074815B - Card connector - Google Patents
Card connector Download PDFInfo
- Publication number
- CN102074815B CN102074815B CN 200910225602 CN200910225602A CN102074815B CN 102074815 B CN102074815 B CN 102074815B CN 200910225602 CN200910225602 CN 200910225602 CN 200910225602 A CN200910225602 A CN 200910225602A CN 102074815 B CN102074815 B CN 102074815B
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- CN
- China
- Prior art keywords
- pedestal
- card connector
- cam lever
- sliding part
- electronic cards
- 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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- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention relates to a card connector comprising an insulation body, a shielded shell and a card withdrawal device. The card withdrawal device comprises a base, a sliding piece, a spring and a cam rod, wherein the sliding piece can be glidingly arranged on a runner of the base; one end of the spring elastically supports against the pressing part of the sliding piece; the cam rod is movably clamped between the base and the sliding piece and comprises a connecting part, a driven part bending and extending from one end of the connecting part towards the sliding piece, an elastic part bending and extending from the other end of the connecting part and an articulating part bending and extending from the other end of the elastic part toward the base, the articulating part is articulated on the base, the driven part elastically supports against a trail groove of the sliding piece, and the elastic part of the cam rod is buckling extended toward the other end of the connecting part. The cam rod is clamped between the base and the sliding piece, has favorable elasticity, and can improve the reliability of the card withdrawal device.
Description
Technical field
The present invention relates to a kind of connector, relate in particular to a kind of card connector with retreat-card device that reliability is higher.
Background technology
Fast development along with computer industry, can be applicable to all kinds of electronic card couplers that between various computer equipments, interface connects and also obtained swift and violent development, wherein have a kind of for plugging the card connector of Express electronic cards, it generally comprises an insulating base frame, a shield shell and a retreat-card device, this shield shell surrounds this insulating base frame, and at the inner accommodation space for accommodating Express card that forms of this retreat-card device.
The existing structure for the retreat-card device on the card connector that plugs the Express electronic cards is as shown in Chinese patent ZL200620018517.4 and ZL200620139507.6, be provided with retainer and track groove on this retreat-card device, correspondingly this shield shell all can be provided with a shell fragment, compress this retainer so that the follower of this retainer and the tight butt of track groove by this shell fragment, so the effect that can bring into normal play of this retreat-card device.Yet, if overexert when assembling or using this retreat-card device, very easily cause this shell fragment generation inelastic deformation on shield shell, and then cause this shell fragment can't compress this retainer, so tight butt between the follower of this retainer and track groove, may cause thus this retainer to break away from inclined-plane on track groove and inappropriate counter motion occurs the guiding of stage, cause retreat-card device to lose efficacy or produce malfunction.
Summary of the invention
Main purpose of the present invention is, proposes a kind of card connector that can improve the reliability of retreat-card device.
In order to realize above-mentioned purpose, the invention provides a kind of card connector, it comprises an insulating body, a shield shell and a retreat-card device, is provided with a plurality of conducting terminals on this insulating body; This shield shell surrounds and is formed with an electronic cards accommodation space, and this retreat-card device comprises: a pedestal, and it has a chute; One sliding part, it is installed on the chute of this pedestal slidably, and be clamped between this shield shell and this pedestal, this sliding part comprises a main body, an abutting part and a pressing part, this main body is provided with a track groove relative with this chute on the surface towards this pedestal; This abutting part forms from the projection in the electronic cards accommodation space of this main body, and the electronic cards that it can be inserted into drives and maybe the electronic cards of insertion released backward to this electronic cards accommodation space to front slide; One spring, an end elasticity of this spring is connected on the pressing part of this sliding part; An and cam lever, it is folded between this pedestal and this sliding part movably, it comprises: a junction, from an end of this connecting portion, towards sliding part, bend an extended follower, from the other end of this connecting portion, bend an extended elastic portion and bend an extended articulated section from the other end of this elastic portion towards pedestal again, wherein this articulated section is to be articulated on this pedestal, this follower is that elasticity is connected in the track groove of this sliding part, and the elastic portion of this cam lever is extended towards the sliding part bending from the other end of this connecting portion.
Compared with prior art, the cam lever of card connector of the present invention is folded between this sliding part and this pedestal actively, thereby need not shell fragment be set on shield shell and suppress cam lever, therefore can reduce in the legacy card connector construction due to the shell fragment generation inelastic deformation on shield shell, can't compress again retainer, make butt between retainer and track groove obtain defective tightness, cause the possibility of retreat-card device inefficacy or generation malfunction.Further, by elastic portion is set on cam lever, can effectively improve the elasticity of cam lever, follower can be had more and flexibly be connected on the track groove, thereby improve the reliability of retreat-card device.
The accompanying drawing explanation
Fig. 1 is the perspective exploded view of card connector of the present invention;
Fig. 2 is the solid combination schematic diagram of card connector of the present invention;
Fig. 3 is the upward view of card connector of the present invention;
Fig. 4 is along the cutaway view of A-A line in Fig. 3;
Fig. 5 is the schematic perspective view of the retreat-card device of card connector of the present invention;
Fig. 6 is that the master of the retreat-card device of card connector of the present invention looks schematic diagram;
Fig. 7 is the perspective exploded view of retreat-card device first angle of card connector of the present invention;
Fig. 8 is the perspective exploded view of retreat-card device second angle of card connector of the present invention;
Fig. 9 is the perspective exploded view of the retreat-card device angular of card connector of the present invention;
Figure 10 is the perspective exploded view of retreat-card device the 4th angle of card connector of the present invention;
Figure 11 is the schematic top plan view of the sliding part in Fig. 9;
Figure 12 is the schematic perspective view of card connector of the present invention when plug-in card;
Figure 13 is the elevational schematic view of the electronic cards of card connector of the present invention while tentatively contacting with slide block;
Figure 14 is the schematic perspective view of the electronic cards of card connector of the present invention while tentatively contacting with slide block, and wherein shield shell is removed.
Embodiment
Below in conjunction with accompanying drawing, a kind of card connector for the Express electronic cards of pegging graft of take gives elaboration further to a preferred embodiment of card connector of the present invention as example.Wherein, along the arrow K direction of plug-in card direction, be " front ", it is reversed " afterwards ".
Consult shown in Fig. 1 to Fig. 3 the retreat-card device 4 that card connector 10 of the present invention comprises an insulating body 1, is arranged at a plurality of conducting terminals 2, the shield shell 3 on this insulating body 1 and is arranged at front end one side of this shield shell 3.
This insulating body 1 is fixed in the front end of this shield shell 3, and has been arranged side by side a plurality of terminal storage tanks on this insulating body 1, in a plurality of conducting terminals 2 difference corresponding inserted these terminal storage tanks on this insulating body 1.
One lateral buckling of the front end of this shield shell 3 extends a holding parts 31, and this holding parts 31 has upper and lower two sides and lateral surface.The rear end of this shield shell 3 forms a socket, and the inner electronic cards accommodation space that forms, with can be in conjunction with shown in Figure 12 to Figure 14 for the Express electronic cards 20(that pegs graft).
Consult shown in Fig. 4 to Figure 11, this retreat-card device 4 is a Push-Push type retreat-card device, and it comprises that a pedestal 41, is installed in sliding part 42, a spring 43 and the cam lever 44 on this pedestal 41 slidably.
The direction that this pedestal 41 inserts along this electronic cards 20 is extended, and this pedestal 41 is set side by side with a chute 411 and a storage tank 412 between antetheca 414 and rear wall 415, this chute 411 and this storage tank 412 are all the length directions along this pedestal 41, namely fore-and-aft direction extends and be arranged in parallel side by side on the Width of this pedestal 41, and this storage tank 412 is arranged at the outside of this chute 411.This pedestal 41 offers a mounting groove 416 on the rear wall 415 at these chute 411 rears, and the bottom of this mounting groove 416 is provided with the pivoted hole 413 of a up/down perforation.
This sliding part 42 is installed in slidably in the chute 411 on this pedestal 41 and is clamped between this shield shell 3 and this pedestal 41.This sliding part 42 comprises a main body 421 and the abutting part 422, a pressing part 423 and the guide part 424 that are connected with this main body 421.This main body 421 is extended along the length direction of this pedestal 41, and is vertically arranged with a track groove 4211 on the surface towards this pedestal 41.Consult Fig. 9 and Figure 11, the front end place of this track groove 4211 is a starting point S, the nearly rear end of this track groove 4211 is provided with a heart-shaped projection 4212, and the heart depression of this heart projection 4212 is towards the rear end of this track groove 4211 and form a fixing point L at this heart recess.This track groove 4211 comprises a line style slot part 4211a, be arranged on these heart projection 4212 inboards one around slot part 4211b and be arranged on these heart projection 4212 outsides one around slot part 4211c.Be provided with a plurality of inclined-planes and stage on the bottom surface of this track groove 4211, because previous technology arranges existing more openly to the inclined-plane of this similar track groove 4211 and stage, do not repeat them here.
This abutting part 422 is the projections and going out in the electronic cards accommodation space of front end inboard from this main body 421, and extends and form along the direction of insertion perpendicular to electronic cards 20.This abutting part 422 can connect with the leading edge of the electronic cards 20 of inserting when plug-in card, and driven and travel forward to allow electronic cards 20 is inserted to this electronic cards accommodation space while Compress Spring 43 by this electronic cards 20, perhaps, when moving back card, be the electronic cards of insertion 20 to be released backward to this electronic cards accommodation space under the restoring force effect of spring 43.
This pressing part 423 is to deviate from the outside projection of electronic cards accommodation space to form outside the rear end of this main body 421.The front end of this pressing part 423 also convexes with forward a projection 4231.
This guide part 424 is to form from inboard upper limb projection in this electronic cards accommodation space of this main body 421, and extends along the plug-in card direction that is parallel to electronic cards 20.The front end of this guide part 424 and abutting part 422 link together, and form one jiao of space of inserting that can power subcard 20 between this guide part 424 and pedestal 41.The lower surface of the trailing edge of this guide part 424 also is provided with a guiding surface 4241, when this electronic cards 20 is inserted, can play guide effect, makes electronic cards 20 can be inserted into comparatively smoothly the below of this guide part 424 and abuts to this abutting part 422.
This spring 43 is arranged in the storage tank 412 on this pedestal 41, the one end be socketed in this pressing part 423 projection 4231 periphery and with this pressing part 423, connect, its other end is connected on the antetheca 414 in these pedestal 41 storage tank 412 the place aheads.
This cam lever 44 is that the Metallic rod bending made from spring steel forms, and it is folded between the track groove 4211 of the chute 411 of this pedestal 41 and this sliding part 42 movably.This cam lever 44 comprise the connecting portion 441 of a straight extension, the follower 443 extended to form towards these sliding part 42 bendings from an end of this connecting portion 441, the elastic portion 444 first extended to form towards these sliding part 42 bendings from the other end of this connecting portion 441 and again from the other end of this elastic portion 444 oppositely towards the pedestal 41 extended articulated sections 442 of bending.This articulated section 442 is to be articulated in the pivoted hole 413 of this pedestal 41, thereby allows this cam lever 44 to carry out deflection by a small margin with respect to this pedestal 41 centered by this pivoted hole 413.
This elastic portion 444 is roughly to bend extended from an end of this connecting portion 441 and this follower 443 in the same way, this articulated section 442 is extended from the reverse 180 degree bendings of the other end of this elastic portion 444, make this articulated section 442 and the combination of elastic portion 444 take the shape of the letter U, this U-shaped structure can strengthen the elasticity of articulated section 442, thereby follower 443 can being had more flexibly be connected on this track groove 4211 to be not easy to guarantee both closely to amplexiform separates.And this connecting portion 441, follower 443, elastic portion 444 and articulated section 442 are in the same space plane.
This elastic portion 444 is contained in the mounting groove 416 on the rear wall 415 of this pedestal 41, and the end that this articulated section 442 is connected with this elastic portion 444 is contained in this mounting groove 416, and its end is inserted in the pivoted hole 413 of these mounting groove 416 bottoms movably.
The cam lever 44 of the retreat-card device 4 of card connector 10 of the present invention, under inclined-plane in the track groove 4211 of sliding part 42 and the guiding of stage, when follower 443 tightly is connected on track groove 4211 while working, this follower 443 only can slide at the interior one-way circulation of the track groove 4211 of this sliding part 42, referring to Figure 11, only can slide and enter the 4211b of circumferential groove section towards heart-shaped projection 4212 from starting point S type slot part along the line 4211a and move to backward a fixing point L, around slipping into forward straight line slot part 4211a, slot part 4211c is back to starting point S along heart-shaped projection 4212 outsides from fixing some L again.
Consult shown in Figure 12 to Figure 14, card connector 10 of the present invention, when plug-in card is used, is that this electronic cards 20 smoothly is inserted into forward in this electronic cards accommodation space from the spigot of these shield shell 3 rear ends.The leading edge of this electronic cards 20 is connected on the abutting part 422 of retreat-card device 4, and promotes front end slip the while Compress Spring 43 of this sliding part 42 along chute 411 to this card connector 10.Meanwhile, the follower 443 of this cam lever 44 is under the guiding of the inclined-plane of this track groove 4211 and stage, start sliding backward around slot part 4211b along this line style slot part 4211a and these heart projection 4212 inboards from the starting point S of this track groove 4211, when electronic cards 20 is inserted fully and is electrically connected with conducting terminal 2, the elastic force that this spring 43 puts on this sliding part 42 will make the follower 443 of this cam lever 44 fix the fixing point L of the heart-shaped recess that is positioned at this heart projection 4212, fixes the position of locating this sliding part 42.
When needs by this electronic cards 20 when exiting in this card connector 10, only need again touch forward this electronic cards 20, the follower 443 that makes this cam lever 44 from deviate from this fixing point L and enter along heart-shaped projection 4212 outsides around slot part 4211c; Then, under the effect of the deformation recovery power of this spring 43, this sliding part 42 returns to the rear end of this card connector 10 to be slided and drives electronic cards 20 and exit backward the electronic cards accommodation space, now the follower 443 of this cam lever 44 will be along being back to starting point S place and locating of the heart-shaped projection outside around slot part 4211c slips into forward straight line slot part 4211a, thereby complete the action of moving back card.
Compared with prior art, retreat-card device 4 on card connector 10 of the present invention, between chute 411 by this cam lever 44 being folded in to this pedestal 41 and the track groove 4211 of this sliding part 42, and the holding parts 31 of this shield shell 3 further surrounds two sides up and down and the lateral surface of retreat-card device 4, thereby this sliding part 42 and this pedestal 41 are gripped therein; In addition, by increase the elastic portion 444 arranged on cam lever 44, can effectively improve the elasticity of cam lever 44, follower 443 can be had more and flexibly be connected on track groove 4211.Need not arrange and compress retainer as the shell fragment in prior art ZL200620018517.4 and ZL200620139507.6, thereby can reduce in the legacy card connector construction due to the shell fragment generation inelastic deformation on shield shell, can't compress again retainer, cause the possibility of retreat-card device inefficacy or generation malfunction.And, because connecting portion 441 two ends of cam lever 44 have different contour structures, when assembling cam lever 44, can distinguish at an easy rate articulated section 442 and follower 443, reach the effect that prevents wrong assembling.
Foregoing is only preferred embodiment of the present invention, and not for limiting embodiment of the present invention, the spring 43 in the present embodiment is to be installed in the storage tank 412 of pedestal 41, and the other end of spring 43 is to be connected on the antetheca 414 of this pedestal 41; And in not deviating from other embodiment be subject to variation of Basic Design spirit of the present invention; on pedestal, storage tank need not be set; the other end of this spring directly is connected to (not shown) on shield shell also can reach the effect identical with the present invention, therefore protection scope of the present invention should be as the criterion with the desired protection range of claims.
Claims (1)
1. a card connector, it comprises an insulating body, a shield shell and a retreat-card device, is provided with a plurality of conducting terminals on this insulating body; This shield shell surrounds and is formed with an electronic cards accommodation space, it is characterized in that, this retreat-card device comprises:
One pedestal, it has a chute;
One sliding part, it is installed on the chute of this pedestal slidably, and be clamped between this shield shell and this pedestal, this sliding part comprises a main body, an abutting part and a pressing part, this main body is provided with a track groove relative with this chute on the surface towards this pedestal; This abutting part forms from the projection in the electronic cards accommodation space of this main body, and the electronic cards that it can be inserted into drives and maybe the electronic cards of insertion released backward to this electronic cards accommodation space to front slide;
One spring, an end elasticity of this spring is connected on the pressing part of this sliding part; And
One cam lever, it is folded between this pedestal and this sliding part movably, it comprises: a junction, from an end of this connecting portion, towards sliding part, bend an extended follower, from the other end of this connecting portion, bend an extended elastic portion and bend an extended articulated section from the other end of this elastic portion towards pedestal again, wherein this articulated section is to be articulated on this pedestal, this follower is that elasticity is connected in the track groove of this sliding part, and the elastic portion of this cam lever is extended towards the sliding part bending from the other end of this connecting portion.
2. card connector according to claim 1, is characterized in that, the bearing of trend of the elastic portion of this cam lever is identical with the follower of this cam lever, and the articulated section of this cam lever is extended from the reverse 180 degree bendings of the other end of this elastic portion.
3. card connector according to claim 2, is characterized in that, the connecting portion of this cam lever is that straight extension forms, and the connecting portion of this cam lever, follower, elastic portion and articulated section are all on the same space plane.
4. card connector according to claim 1, is characterized in that, this pedestal is provided with a pivoted hole, and the articulated section of this cam lever is to be inserted in movably in this pivoted hole.
5. card connector according to claim 1, it is characterized in that, this shield shell extends a holding parts at the lateral buckling corresponding to this retreat-card device, this holding parts surrounds two sides up and down and the lateral surface of this retreat-card device, thereby the pedestal of this retreat-card device and this sliding part are gripped therein.
6. according to the described card connector of claim 1 to 5 any one, it is characterized in that, this cam lever is to be formed by the bending of the Metallic rod of a spring steel material.
7. according to the described card connector of claim 1 to 5 any one, it is characterized in that, the main body of this sliding part also is parallel to stretching out one in the electronic cards accommodation space guide part that the plug-in card direction is extended, one lateral margin and the abutting part of this guide part link together, and another lateral margin of this guide part is provided with a guiding surface.
8. according to the described card connector of claim 1 to 5 any one, it is characterized in that, also be provided with a storage tank on this pedestal, this spring correspondence is arranged in the storage tank of this pedestal, and the other end of this spring is connected on this pedestal.
9. card connector according to claim 8, it is characterized in that, storage tank on this pedestal is the outside that is arranged on abreast this chute, this pressing part deviates from the outside projection of electronic cards accommodation space from this main body and forms, the pressing part of this sliding part convexes with a projection, and an end of this spring is socketed in the periphery of this projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910225602 CN102074815B (en) | 2009-11-25 | 2009-11-25 | Card connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910225602 CN102074815B (en) | 2009-11-25 | 2009-11-25 | Card connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102074815A CN102074815A (en) | 2011-05-25 |
| CN102074815B true CN102074815B (en) | 2013-12-25 |
Family
ID=44033228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910225602 Expired - Fee Related CN102074815B (en) | 2009-11-25 | 2009-11-25 | Card connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102074815B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2717053Y (en) * | 2004-07-04 | 2005-08-10 | 富港电子（东莞）有限公司 | Memory card connector |
| CN101038998A (en) * | 2006-03-13 | 2007-09-19 | 林于炼 | Memory card connector device |
-
2009
- 2009-11-25 CN CN 200910225602 patent/CN102074815B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2717053Y (en) * | 2004-07-04 | 2005-08-10 | 富港电子（东莞）有限公司 | Memory card connector |
| CN101038998A (en) * | 2006-03-13 | 2007-09-19 | 林于炼 | Memory card connector device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102074815A (en) | 2011-05-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20131225 Termination date: 20201125 |