CN2729950Y - Card connector with two-section card return mechanism and holding memory card - Google Patents
Card connector with two-section card return mechanism and holding memory card Download PDFInfo
- Publication number
- CN2729950Y CN2729950Y CN 200420088504 CN200420088504U CN2729950Y CN 2729950 Y CN2729950 Y CN 2729950Y CN 200420088504 CN200420088504 CN 200420088504 CN 200420088504 U CN200420088504 U CN 200420088504U CN 2729950 Y CN2729950 Y CN 2729950Y
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- CN
- China
- Prior art keywords
- card
- memory card
- slide block
- fixing
- plastic casing
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- Expired - Fee Related
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Abstract
The utility model discloses a card connector with a two-section card return mechanism and capability of holding a memory card, comprising a plastic casing, a shielded casing and a two-section card return mechanism assembled between the plastic casing and the shielded casing. Wherein, the plastic casing is provided with a heart-shaped cam groove movably matched with a following member. The shielded casing is provided with a guiding groove whose one side is formed as an edge fold. The two-section card return mechanism comprises a slide block, one side of the slide block is formed as a push spring sheet butting the following member, and the other side is formed as a holding spring sheet which upward extends out a guiding arm. The guiding arm extends into the guiding groove of the shielded casing and outward butts the edge fold of the guiding groove towards the direction far away from a memory card. The holding spring sheet extends out a holding section towards the memory card and the holding section is matched with a slot on one side of the memory card. The utility model can steadily and reliably position and hold the memory card and make the card connector structure compact and light.
Description
Affiliated technical field
The utility model relates to a kind of card connector, but relates in particular to a kind of card connector with two-part trip mechanism and fixing memory card.
Background technology
At present, be accompanied by the continuous development of computer and peripheral electronic product thereof, various memory cards, extensive further such as the application of pcmcia card, SD card and CF card etc.Corresponding therewith, be applied to the also constantly development of various card connectors of this series products, wherein, but especially use comparatively general with card connector with two-part trip mechanism and fixing memory card.
In the United States Patent (USP) the 6th, 537 of bulletin on March 25th, 2003, but disclosed a kind of card connector for No. 090 with two-part trip mechanism and fixing memory card.This card connector is held mechanism and is formed by the shield shell and the plastic casing that fasten each other and the trip mechanism and the fixing that are positioned between the two.
Described trip mechanism comprises back-moving spring, slide block, follows part and heart-shaped cam groove.Wherein, back-moving spring is replaced between slide block and plastic casing, and slide block slides and is fastened on plastic casing one side, and heart-shaped cam groove is shaped on the plastic casing, follow part one end and be articulated on the slide block, the other end is movably placed in also can be along the heart-shaped track reciprocating motion of cam path in the heart-shaped cam groove.
Described fixing is held mechanism and is comprised a fixing shell fragment, build-in is in slide block, fixing shell fragment rear end bends out the V-type holding part, hold with the short slot button that memory card one side forms and to cooperate, slide block forms mating groove in the holding part position of corresponding fixing shell fragment, with provide holding part when moving back card under the extruding of card the outside required space of strain, fixing shell fragment front end further bends out and pushes shrapnel, follow part in order to compress, so that follow part in heart-shaped cam groove during reciprocating motion, unlikely upwards floating and lose with heart-shaped cam groove cooperates.
The existing card connector of this kind with fixing shell fragment and slide block respectively moulding then assemble, make card connector be difficult to satisfy compact conformation, frivolous requirement, and the elasticity that only relies on the fixing shell fragment is held the holding part and the short slot button of memory card to cooperate and memory card is carried out fixing, location, make memory card be easy to come off, thereby memory card can not be reliable, firm is immobilizated in the card connector from the plug-in card space.
In the United States Patent (USP) the 6th, 655 of bulletin on December 2nd, 2003, but disclosed another kind of card connector for No. 972 with two-part trip mechanism and fixing memory card.This card connector is provided with a bootstrap block in plastic casing, inserts in memory card and gets in the process, and this bootstrap block guiding fixing shell fragment makes it slide along bootstrap block.When fixing shell fragment strain, the formed grab of its free end stretches in the short slot of memory card one side, memory card is immobilizated in the plug-in card space, when fixing shell fragment elastic return, described grab withdraws from from remembering clamping dented groove, and makes memory card and card connector break away from mismatch.Though what this design can be comparatively firm is retained on memory card in the card connector, but, because the fixing shell fragment still adopts the mode of independent moulding and slide block to be assembled into one, so, get in the process inserting repeatedly of memory card and since bootstrap block continue replace, the fixing shell fragment rear end stress that links to each other with slide block is comparatively concentrated, be easy to tired surrender, even break away from mismatch with slide block.
In addition, in this card connector design, the fixing shell fragment is followed pushing shrapnel of part and is not designed to one with being used to limit, go out to push shrapnel or extend the press section but follow part position excision forming, be used for restriction and follow part and in heart-shaped cam groove, break away to prevent it in plastic slide block front end one in shield shell end face correspondence.Yet, mold the design that pushes shrapnel at the shield shell end face with slide block, fixing shell fragment and the moulding respectively that pushes shrapnel, be difficult to satisfy card connector compact conformation, frivolous requirement, and not only be difficult to satisfy the frivolous requirement of structure more greatly because of volume in the design that the plastic slide block front end extends the press section, and because press section and to follow between the part be not resilient engagement, so be easy to break away from mismatch and cause following the part fatigue failure easily.
In the United States Patent (USP) the 6th, 729 of bulletin on May 4th, 2004, has the card connector of two-part trip mechanism and fixing memory card but disclosed another for No. 892.This card connector is compared prior art difference and only is the bootstrap block change of plastic casing is designed to the guiding groove that shield shell end face one side is offered, this guiding groove is extended gradually and comprises a straight flange and a flanging to wide by narrow along the plug-in card direction, the side plate of the contiguous guiding groove of straight flange place shield shell one side, flanging then away from the distance between this side plate and front end and this side plate less than the distance between rear end and this side plate, with guiding fixing shell fragment, make it replace with flanging all the time and slide along flanging, when strain not, memory card is immobilizated in the plug-in card space, when strain, memory card and card connector is separated.Yet, though this difference design can be alleviated the problem of the tired surrender of fixing shell fragment, but because the fixing position and guiding groove broad one end of memory card are positioned on the same horizontal axis, in case appearance is rocked unexpectedly or other situation moves relative to each other fixing shell fragment and memory card, the grab of fixing shell fragment end very easily moves along guiding groove broad one end horizontal cross because of having enough spaces that retreats, thereby separate with the short slot of memory card, and can't reliably locate, the fixing memory card.In addition, still there is the possibility of fixing shell fragment and slide block disengaging mismatch in this kind card connector design, and is difficult to satisfy card connector compact conformation, frivolous requirement.
The utility model content
The purpose of this utility model is to provide a kind of compact conformation, frivolous at above-mentioned defective, and can be firm, the card connector of location, fixing memory card reliably.
For achieving the above object, but the utility model provides a kind of card connector with two-part trip mechanism and fixing memory card, comprises plastic casing, shield shell and is assembled between the two two-part trip mechanism.Plastic casing and shield shell surround a plug-in card space, and memory card can insert rear end, plug-in card space and place in it along the plug-in card direction from plug-in card space front end.Plastic casing has a side wall, and it is provided with a heart-shaped cam path in contiguous side wall place.Shield shell has side plate, the side wall of side plate and plastic casing fastens, and shield shell is provided with a guiding groove in the adjacent side plates place, and guiding groove extends along the plug-in card direction, the side of its adjacent side plates is a flanging, and the distance between flanging front end and the side plate is less than the distance between flanging rear end and the side plate.The two-part trip mechanism comprises follows a part and a slide block, follows part one end and is movably placed in the heart-shaped cam groove of plastic casing, and the other end and described slide block articulate, and follows the part two ends and is connected by a junction.Slide block slides and to be fastened on the plastic casing side wall, between slide block and the plastic casing and a ccontaining spring.Slide block one end forms and to push shrapnel, and is resisted against on the connecting portion of following part, and the other end forms the fixing shell fragment, and the fixing shell fragment extends upward lead arm, stretches into the guiding groove of shield shell and replaces with the flanging of guiding groove.The fixing shell fragment protrudes out a holding parts towards memory card.
But above-mentioned card connector with two-part trip mechanism and fixing memory card, wherein the two-part trip mechanism further comprises a support bar, runs through spring, slide block and is fixed in plastic casing one side.
But above-mentioned card connector with two-part trip mechanism and fixing memory card, wherein slide block has a depression sheet, offers pivoted hole on it, follows part one end and passes pivoted hole, is lying on the depression sheet, follows the end face of this end of part and concordant with the slide block upper surface.
But above-mentioned card connector with two-part trip mechanism and fixing memory card, wherein the fixing shell fragment tilts along the direction that deviates from the plug-in card space.
But above-mentioned card connector with two-part trip mechanism and fixing memory card, wherein guiding groove is a straight flange away from the side of shield shell side plate, and the flanging of guiding groove is formed by connecting by straight line, oblique line limit and straight line along the plug-in card direction.
As mentioned above, the utility model is by cooperating respectively between the short slot of the guiding groove of the formed lead arm of fixing shell fragment that is shaped in slide block and holding parts and shield shell and memory card one side, make fixing shell fragment indefatigability lose efficacy, and can avoid the disengaging mismatch between itself and the slide block, and, when memory card is in the fixing position, elasticity by the fixing shell fragment, lead arm is closely replaced the outer side edgefold of guiding groove, make holding parts not have horizontal mobile space and can not break away from, thereby make that memory card can be firm with the memory card short slot, locate reliably, be immobilizated in the card connector.Meanwhile, the utility model is with slide block, fixing shell fragment and push shrapnel one-body moldedly, makes its compact conformation, frivolous, and has enough spaces and be used to accommodate the support bar that runs through spring, makes the card connector structure more firm, compact.In addition, by of the design of fixing shell fragment along the direction inclination that deviates from the plug-in card space, when memory is stuck in when inserting the plug-in card space, the memory card side can not contact friction with holding parts and make the deformation failure of fixing shell fragment, thereby memory card is immobilizated in the card connector firmly, reliably, then can reduce the height of slide block by the design of the depression sheet of slide block, make the structure of card connector compact, frivolous more.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail.
But Fig. 1 is the three-dimensional exploded view that the utlity model has the card connector of two-part trip mechanism and fixing memory card.
But Fig. 2 is the three-dimensional combination figure that the utlity model has the card connector of two-part trip mechanism and fixing memory card.
But being the card connector that the utlity model has two-part trip mechanism and fixing memory card, Fig. 3 removes three-dimensional combination figure behind the shield shell.
Fig. 4 is the three-dimensional combination figure that is applied to slide block of the present utility model and follows part.
Among the figure, but 100. have the card connector of two-part trip mechanism and fixing memory card, 20. plastic casings, 21. partition wall, 22. side walls, 23. receiving spaces, 24. the partition wall groove, 25. heart-shaped cam groove, 26. accommodate piece, 27. accepting hole, 30. plug-in card spaces, 40. shield shells, 42. side plate, 44. guiding grooves, 46. straight flanges, 48. flanging, 60. two-part trip mechanisms, 62. support bars, 64. spring, 66. follow part, 662. fixed parts, 664. connecting portions, 666. motion portion, 68. slide blocks, 81. flat boards, 82. slide, 83. sliding eyes, 84. push shrapnel, 85. the depression sheet, 86. pivoted holes, 87. fixing arms, 88. recoil pit, 72. fixing shell fragments, 74. lead arm, 76. holding parts, 200. memory cards, 220. short slots.
Embodiment
By describing technology contents of the present utility model, structural feature in detail, being realized purpose and effect, exemplify below that embodiment and conjunction with figs. are detailed gives explanation.
See also Fig. 1, but the card connector 100 that the utlity model has two-part trip mechanism and fixing memory card comprises plastic casing 20, shield shell 40 and is assembled between the two two-part trip mechanism 60.Plastic casing 20 fastens each other with shield shell 40 and surrounds a plug-in card space 30, uses for a memory card 200 and inserts 30 rear ends, plug-in card space along plug-in card direction D from plug-in card space 30 front ends and place in it.
Protrude out a partition wall 21 on plastic casing 20 1 side direction, surround a receiving space 23 with the side wall 22 of plastic casing 20 1 sides, partition wall 21 front ends form partition wall groove 24, plastic casing 20 is contiguous partition wall 21 places one-body molded one heart-shaped cam path 25 in plug-in card space 30, the back wall of plastic casing 20 protrudes out one towards receiving space 23 and accommodates piece 26, accommodates the front end of piece 26 and offers an accepting hole 27.
Please in conjunction with consulting Fig. 4, two-part trip mechanism 60 of the present utility model comprises support bar 62, spring 64, follows part 66 and slide block 68.Following part 66 1 ends is fixed part 662, and the other end is a motion portion 666, and the two is also connected by a junction 664.Slide block 68 is formed by sheet metal component integrated punching bending, the one side is a flat board 81, dull and stereotyped 81 front ends bend out slide 82 downwards, offer a sliding eye 83 on it, the diameter of sliding eye 83 is between support bar 62 external diameters and spring 64 internal diameters, can make support bar 62 run through sliding eye 83 thus, spring 64 is resisted against slide 82 and accommodates between the piece 26.The opposite side rear end of slide block 68 cuts out one and downward-sloping pushes shrapnel 84, the opposite side middle part protrudes out a depression sheet 85 downwards, offer pivoted hole 86 on it, the opposite side front end roughly bends out straight down a fixing arm 87, fixing arm 87 is approximately perpendicular to slide 82 and dull and stereotyped 81, its middle part hollow out, the front end vertical edge extends a fixing shell fragment 72 along the direction of insertion D of card, the free end of fixing shell fragment 72 extends upward lead arm 74, dull and stereotyped 81 offer recoil pit 88 in corresponding lead arm 74 places, fixing shell fragment 72 stretches in the recoil pit 88 lead arm 74 with a small angle inclination, and lead arm 74 also protrudes out a circular convex dot shape holding parts 76 towards plug-in card space 30.Along the design that deviates from the direction small angle inclination in plug-in card space 30, can make memory card 200 by fixing shell fragment 72 when inserting plug-in card space 30, side can not contact friction with holding parts 76 and make 72 deformation failures of fixing shell fragment.
Please again in conjunction with consulting Fig. 2 and Fig. 3, during assembling, slide block 68 slides and is fastened on the partition wall 21 and side wall 22 of plastic casing 20, fixing arm 87 is positioned at partition wall groove 24, slide 82 is positioned at receiving space 23, lead arm 74 upwards stretches in the guiding groove 44 of shield shell 40 and replaces flanging 48, the width by guiding groove 44 along the plug-in card direction by wide design to narrow gathering, and can provide enough space for lead arm 74 ease of assembly in guiding groove 44.Support bar 62 1 end build-ins are in accepting hole 27, and the other end runs through the sliding eye 83 of slide 82, are resisted against the front end of plastic casing 20.Spring 64 is sheathed on the support bar 62, but and by slide 82 elasticity is contained in the receiving space 23 with accommodating the replacing of piece 26, backstop.The fixed part 662 of following part 66 is lying on the depression sheet 85 after passing the pivoted hole 86 of slide block 68, and its end face is also concordant with the upper surface of slide block 68, thereby can reduce the height of slide block 68, makes card connector compact conformation, frivolous.The motion portion 666 that follows part 66 is movably placed in the heart-shaped cam groove 25 of plastic casing 20, pushing shrapnel of slide block 68 84 compresses connecting portion 664 downwards, so that motion portion 666 is in heart-shaped cam groove 25 during reciprocating motion, all the time with the 84 elasticity butts that push shrapnel, thereby can prevent motion portion 666 from upwards floating and lose with heart-shaped cam groove 25 and to cooperate.
During operation, at first memory card 200 is inserted plug-in card space 30 front ends to prepare carrying out first section pressing operation, at this moment, the holding parts 76 of slide block 68 roughly is positioned on the same horizontal axis with the short slot 220 of memory card 200 1 side settings.Then, promote memory card 200 forward to carry out first section pressing operation along plug-in card direction D, at this moment, by follow part 66 in heart-shaped cam groove 25 along moving of plug-in card direction and can be with the memory card fixing position of memory card 200 intercalations in 30 rear ends, plug-in card space.In first section pressing operation, the lead arm 74 of slide block 68 is replaced the flanging 48 of guiding groove 44 and is moved along plug-in card direction D, first straight line at flanging 48, holding parts 76 keeps initial distance together to move with the short slot of memory card 200, oblique line limit at flanging 48, lead arm 74 guiding fixing shell fragments 72 are towards memory card 200 strains, thereby holding parts 76 is embedded in the short slot 220 of memory card 200 gradually, last straight line at flanging 48, holding parts 76 remains in the short slot 220 of memory card 200, and when first section pressing operation finishes, memory card 200 is immobilizated in the memory card fixing position of 30 rear ends, plug-in card space.At last, promote memory card 200 once more forward to carry out second section pressing operation along plug-in card direction D, at this moment, follow part 66 in heart-shaped cam groove 25 along moving back moving and the elasticity of spring 64 and memory card 200 can being withdrawed from backward from the fixing position of card direction.In second section pressing operation, the lead arm 74 of slide block 68 is still replaced the flanging 48 of guiding groove 44 and is together withdrawed from backward with memory card 200, fixing shell fragment 72 reverts to inelastic state by elastic stage and progressively away from memory card 200, holding parts 76 is withdrawed from the short slot 220 of memory card 200, thus realize between memory card 200 and the card connector 100 the disengaging mismatch and with memory card 200 taking-ups in 30 from the plug-in card space.
As mentioned above, but cooperating respectively of the guiding groove 44 of lead arm 74 that the card connector 100 that the utlity model has two-part trip mechanism and fixing memory card forms by the fixing shell fragment 72 that is shaped in slide block 68 and holding parts 76 and shield shell 40 and the short slot 220 of memory card 200, fixing shell fragment 72 indefatigability were lost efficacy, and can avoid the disengaging mismatch between itself and the slide block 68, and, when memory card 200 is in the fixing position, elasticity by fixing shell fragment 72, lead arm 74 is closely replaced guiding groove 44 outer side edgefolds 48, make holding parts 76 not have horizontal mobile space and can not break away from, thereby make the location that memory card 200 can be solid and reliable with the short slot 220 of memory card 200, be immobilizated in the card connector 100.Meanwhile, the utility model adopts sheet metal component with slide block 68, fixing shell fragment 72 and push shrapnel 84 one-body molded, make its compact conformation, frivolous, and have enough spaces and be used to accommodate the support bar 64 that runs through spring 62, and then make the card connector structure more firm, compact.
In sum, but the card connector that the utlity model has two-part trip mechanism and fixing memory card by the foregoing description and relevant drawings explanation, concrete, full and accurate exposure correlation technique, those of ordinary skill in the art can be implemented according to this.And above-described embodiment just is used for illustrating the utility model, rather than is used for limiting of the present utility model, and interest field of the present utility model should be defined by claim of the present utility model.Still all be covered by within the interest field of the present utility model as for the change of described component number or the replacement of equivalence element etc. herein.
Claims (6)
1. but one kind has the also card connector of fixing memory card of two-part trip mechanism, comprise plastic casing, shield shell and be assembled between the two two-part trip mechanism, plastic casing and shield shell surround a plug-in card space, memory card can insert rear end, plug-in card space and place in it along the plug-in card direction from plug-in card space front end, plastic casing has a side wall, and plastic casing is provided with a heart-shaped cam path in contiguous this side wall place; Shield shell has side plate, and the side wall of side plate and plastic casing fastens; The two-part trip mechanism comprises follows part, one slide block, one fixing shell fragment and one pushes shrapnel, following part one end is movably placed in the heart-shaped cam groove of plastic casing, the other end and this slide block articulate, follow the part two ends and connect by a junction, slide block slides and is fastened on the plastic casing side wall, between slide block and the plastic casing and a ccontaining spring, the fixing shell fragment protrudes out a holding parts towards memory card, push shrapnel and be resisted against on the connecting portion of following part, it is characterized in that: described shield shell is provided with a guiding groove in the adjacent side plates place, guiding groove extends along the plug-in card direction, the side of its adjacent side plates is a flanging, and the distance between flanging front end and the side plate is less than the distance between flanging rear end and the side plate, described fixing shell fragment and push shrapnel and be integrally formed at the slide block two ends respectively, the fixing shell fragment also extends upward lead arm, stretches into the guiding groove of shield shell and replaces with the flanging of guiding groove.
2. but the card connector with two-part trip mechanism and fixing memory card as claimed in claim 1, it is characterized in that: this two-part trip mechanism further comprises a support bar, runs through spring, slide block and is fixed in plastic casing one side.
3. but the card connector with two-part trip mechanism and fixing memory card as claimed in claim 1, it is characterized in that: this slide block has a flat board, dull and stereotyped front end bends out slide downwards, offer a sliding eye on it, the diameter of sliding eye is between support bar external diameter and spring inside diameter, support bar runs through sliding eye, and spring is replaced slide.
4. but the card connector with two-part trip mechanism and fixing memory card as claimed in claim 1, it is characterized in that: this slide block has a depression sheet, offer pivoted hole on it, follow part one end and pass pivoted hole, be lying on the depression sheet, follow the end face of this end of part and concordant with the slide block upper surface.
5. but the card connector with two-part trip mechanism and fixing memory card as claimed in claim 1 is characterized in that: this fixing shell fragment tilts along the direction that deviates from the plug-in card space.
6. but the card connector with two-part trip mechanism and fixing memory card as claimed in claim 1, it is characterized in that: this guiding groove is a straight flange away from the side of shield shell side plate, and the flanging of guiding groove is connected in sequence by straight line, oblique line limit and straight line along the plug-in card direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420088504 CN2729950Y (en) | 2004-09-04 | 2004-09-04 | Card connector with two-section card return mechanism and holding memory card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420088504 CN2729950Y (en) | 2004-09-04 | 2004-09-04 | Card connector with two-section card return mechanism and holding memory card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2729950Y true CN2729950Y (en) | 2005-09-28 |
Family
ID=35048723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420088504 Expired - Fee Related CN2729950Y (en) | 2004-09-04 | 2004-09-04 | Card connector with two-section card return mechanism and holding memory card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2729950Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242051B (en) * | 2007-02-09 | 2010-07-28 | 日本压着端子制造株式会社 | Connector for card |
-
2004
- 2004-09-04 CN CN 200420088504 patent/CN2729950Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242051B (en) * | 2007-02-09 | 2010-07-28 | 日本压着端子制造株式会社 | Connector for card |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050928 |