CN1306659C - Storage card interface plugging mechanism - Google Patents
Storage card interface plugging mechanism Download PDFInfo
- Publication number
- CN1306659C CN1306659C CNB031560377A CN03156037A CN1306659C CN 1306659 C CN1306659 C CN 1306659C CN B031560377 A CNB031560377 A CN B031560377A CN 03156037 A CN03156037 A CN 03156037A CN 1306659 C CN1306659 C CN 1306659C
- Authority
- CN
- China
- Prior art keywords
- memory card
- lock pin
- card interface
- storage card
- sheet spring
- 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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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K13/00—Conveying record carriers from one station to another, e.g. from stack to punching mechanism
- G06K13/02—Conveying record carriers from one station to another, e.g. from stack to punching mechanism the record carrier having longitudinal dimension comparable with transverse dimension, e.g. punched card
- G06K13/08—Feeding or discharging cards
- G06K13/085—Feeding or discharging cards using an arrangement for locking the inserted card
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/0013—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers
- G06K7/0021—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers for reading/sensing record carriers having surface contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
Abstract
To improve stability of a lock in a pushing type inserting and pulling-out mechanism of a memory card connector. A locking pin 21 engaged with a groove cam 20 of a slider 16 for locking a memory card is pressed by a flat spring. The lower half part of the tip of the flat spring projects frontward farther than the upper half part, and obliquely bent in such a manner that the tip of the flat spring comes into contact with slightly lower side of a side surface of the lock pin. Pressure in a rising direction is thereby applied to the locking pin 21, and the locking pin is prevented from falling to a lock-releasing position even if shock is applied to a locking position, and apprehension of the release of the memory card is eliminated.
Description
Technical field
The present invention relates to a kind of push-pull structure of memory card interface, the push-pull structure of the memory card interface that the stability that storage card is locked is improved.
Background technology
Along with the miniaturization of storage card, these small-sized storage cards offer mobile phone and PHS (personal handy phone system) etc. as removable media with removable form.In this small-sized machine, use the occasion of storage card, because of the restriction in space must be memory card interface miniaturization as much as possible, the ejector button that more large-scale PC card etc. is had is set, but be installed in the storage card of memory card interface by pushing, be provided with and remove the direct push-press type push-pull structure of installing and withdrawing from.This push-pull structure is the mechanism of the well-known grooved cam that is widely used in urge lock formula switch etc. and lock pin and so on.
Fig. 8 and Fig. 9 represent the under(-)chassis 1,2nd of memory card interface, slide block.Be formed with the grooved cam 3 that is heart-shaped loop in the side of slide block 2, the leading section that is installed in the lock pin 4 on the under(-)chassis 1 is connected with grooved cam 3, by the sheet spring 5 pushing lock pins 4 that contact with lock pin 4 side elastic force it can not deviate from from grooved cam 3.Fig. 8 and Fig. 9 represent the lock-out state that slide block 2 retreats, but the compression helical spring (not shown) of the spring housing 6 of slide block 2 by inserting under(-)chassis 1 obtains the elastic force towards card insert opening direction (figure the right), and locking is in case be disengaged promptly to card insert opening one side and advance and return initial position.
Figure 10 represents the summary of the direct push-press type push-pull structure of memory card interface, and slide block 2 is done moving of retreating and advance left to the right with respect to lock pin 4 among the figure.A represents the initial position of lock pin 4, in case storage card is inserted memory card interface, because storage card pushes slide block 2 and it is retreated left, the leading section of lock pin 4 just moves to grooved cam 3 upper front end position b along the groove of grooved cam 3 upsides.At this moment, the storage card contact that arrives the inside of memory card interface and front end and under(-)chassis 1 interior connecting pin contacts.Then, when removing the insertion operation of storage card, elastic force by the compression spring advances slide block 2 to the right, as Fig. 8, shown in Figure 9, the leading section of lock pin 4 be drawn towards grooved cam 3 front ends up and down the pars intermedia of groove spill retainer (the c position of Figure 10) and slide block 2 is halted, storage card is locked with connection status.
When taking out storage card, if the rear portion of pushing storage card also is pressed to storage card the inside of memory card interface, the leading section of lock pin 4 just moves to the latch-release position of downside front end d from the c position of the spill retainer of grooved cam 3, and the slide block 2 that locking is disengaged advances by the elastic force that compresses spring and is extrapolated storage card, and lock pin 4 returns initial position a.
Summary of the invention
In above-mentioned original memory card interface, at lock-out state (the c position of Figure 10) when applying powerful impact from the outside, can break away from the spill retainer of grooved cam and move according to the leading section of the direction lock pin that impacts to the latch-release position (the d position of Figure 10) of downside, extrapolated storage card by slide block, not only data write can produce mistake, storage card also the danger that comes off.Therefore, produced the technical task that needs solve in order to get rid of the danger that waits the locking of the storage card that causes to be disengaged because of impact, the present invention is a purpose to solve above-mentioned problem exactly.
The present invention is for achieving the above object and the scheme that proposes, a kind of push-pull structure of memory card interface is provided, its structure is that the slide block that is configured in the memory card interface is provided with heart-shaped grooved cam, by the lock pin that is arranged on the memory card interface is cooperated with grooved cam, slide block retreats and is locked when storage card inserts, then lock and be disengaged and take out storage card by pushing storage card once more, it is characterized in that, utilize the sheet spring that lock pin is obtained from the latch-release position of grooved cam towards the elastic force of latched position direction, the front end of sheet spring contacts with the downside of lock pin side, thereby has prevented to cause lock pin to move to the latch-release position from latched position because of impacting to wait.
Also have, in the push-pull structure of above-mentioned memory card interface, it makes the front end of sheet spring contact with the downside of lock pin side by above-mentioned spring of bending.
Also have, in the push-pull structure of above-mentioned memory card interface, the front end of sheet spring has the meander line of inclination, so that the front end of sheet spring contacts with the downside of lock pin side.
Description of drawings
Fig. 1 is the stereogram of memory card interface and storage card.
Fig. 2 is the stereogram of memory card interface top cover.
Fig. 3 is the stereogram of memory card interface under(-)chassis.
Fig. 4 is the stereogram of storage card.
Fig. 5 is the stereogram of memory card interface under(-)chassis.
Fig. 6 is the details drawing of the A portion of Fig. 5.
Fig. 7 is the details drawing of other embodiment of expression push-pull structure.
Fig. 8 is the stereogram of memory card interface under(-)chassis in the original example of expression.
Fig. 9 is the details drawing of the A portion of Fig. 8.
Figure 10 is the action key diagram of push-pull structure.
Embodiment
Below, with reference to the accompanying drawings one embodiment of the present invention are described in detail.Fig. 1 represents pack into the state of memory card interface 11 of storage card 31, and memory card interface 11 constitutes framework by resinous under(-)chassis 12 with metal top cover 13.Fig. 2 represents top cover 13, and Fig. 3 represents under(-)chassis 12, in the back (the figure left side) of under(-)chassis 12, arranges totally 10 connecting pins 14 of configuration side by side corresponding to the port of storage card 13.Nearby be formed with slide block guide rail 15 on the left side of under(-)chassis 12 (figure is following), hold slide block 16 under the arm the row guiding by the slide block guide rail 15 and the left side wall of top cover 13.Fig. 3 represents slide block 16 at the blocked state of going-back position, will advance because of the elastic force of compression helical spring 17 and returns initial position in case locking is disengaged.
The sheet spring is installed on slide block 16, is snap 18, the leading section of snap 18 and connecting pin 14 be the same to bend to herringbone and inwards direction is outstanding, so that when storage card shown in Figure 4 31 is inserted memory card interfaces 11, the herringbone leading section of snap 18 that is in the slide block 16 of initial position inserts the recess 32 that is formed at storage card 31 left surfaces and cooperates with it.The front end left comer of storage card 31 is made the inclined plane part 33 of inclination unfilled corner shape, on slide block 16, form one as shown in Figure 3 and be the triangular planar board 19 that contacts antithesis with the inclined plane part 33 of storage card 31, so that when snap 18 is connected with the recess 32 of storage card 31, the inclined plane part 33 of storage card 31 contacts with the triangular planar board 19 of slide block 16.And when storage card 31 was further inserted inwardly, slide block 16 was stored card 31 pushings and retreats to position shown in Figure 3, the push-pull structure locking that storage card 31 is narrated later.
Fig. 5 and Fig. 6 represent the push-pull structure of memory card interface 11, with identical in the past, lock pin 21 is connected with the grooved cam 20 of the annular that is formed at slide block 16 sides, though the effect of latch-release locking is also identical, but the shape of the sheet spring 22 of pushing lock pin 21 different with in the past, the meander line of sheet spring 22 made be not vertical but tilt, so that the front end of sheet spring 22 contacts with the downside slightly of lock pin 21 sides.Like this, at the pressure F that lock pin 21 is applied ascent direction
AEven, applying impact at latched position c shown in Figure 10, lock pin 21 also can not descend to the latch-release position of Figure 10 d, thus the danger that does not also have the locking of storage card to be disengaged.
Also have, image pattern 5 and Fig. 6 are provided with step difference at the front end of sheet spring 22 like that, by making Lower Half more outstanding than the first half, make the shape that connects the first half and Lower Half with the inclined-plane, also cut sth. askew the like that front end of sheet spring 23 of image pattern 7 simultaneously, make the lower end shape more outstanding, produce a resistance that moves to the latch-release position with respect to latched position, thereby further improve the effect of preventing lock pin 21 to descend from lock pin 21 than the upper end.Also have, the elastic pressure size of sheet spring 22,23 is not for hindering the decline of lock pin 21 to latch-release position d usually when the operation that unlocks.
More than the push-pull structure of memory card interface of the present invention is illustrated, but the present invention is not limited in above-mentioned execution mode, in technical scope of the present invention various changes can be arranged, the present invention also comprises these contents after changing certainly.
In sum, the push-pull structure of memory card interface of the present invention, because slide block moves and by the sheet spring lock pin is obtained from the elastic force of latch-release position to latched position along the grooved cam of heart, just can prevent because of impact to wait make lock pin from latched position to the moving of latch-release position, thereby improve the stability of locking.Also have, come the contact position of control strip spring and lock pin by both curved tabs springs, the front end of the sheet spring of cutting sth. askew again and make it contact lock pin, the stability of locking just can be improved in the original installation site that need not change the sheet spring like this.
Claims (3)
1. the push-pull structure of a memory card interface, its structure is that the slide block that is configured in the memory card interface is provided with heart-shaped grooved cam, by the lock pin that is arranged on the memory card interface is cooperated with grooved cam, slide block retreats and is locked when storage card inserts, then lock and be disengaged and take out storage card by pushing storage card once more, it is characterized in that, utilize the sheet spring that lock pin is obtained from the latch-release position of grooved cam towards the elastic force of latched position direction, the front end of sheet spring contacts with the downside of lock pin side, thereby has prevented to cause lock pin to move to the latch-release position from latched position because of impacting to wait.
2. the push-pull structure of memory card interface as claimed in claim 1 is characterized in that: make the front end of sheet spring contact with the downside of lock pin side by above-mentioned spring of bending.
3. the push-pull structure of memory card interface as claimed in claim 2, it is characterized in that: the front end of sheet spring has the meander line of inclination, so that the front end of sheet spring contacts with the downside of lock pin side.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002250668A JP3823903B2 (en) | 2002-08-29 | 2002-08-29 | Memory card connector insertion / extraction mechanism |
| JP2002250668 | 2002-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1489242A CN1489242A (en) | 2004-04-14 |
| CN1306659C true CN1306659C (en) | 2007-03-21 |
Family
ID=32057438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031560377A Expired - Fee Related CN1306659C (en) | 2002-08-29 | 2003-08-28 | Storage card interface plugging mechanism |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3823903B2 (en) |
| KR (1) | KR101015421B1 (en) |
| CN (1) | CN1306659C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4076180B2 (en) * | 2005-03-31 | 2008-04-16 | 日本航空電子工業株式会社 | Card connector |
| US7525419B2 (en) * | 2006-01-30 | 2009-04-28 | Rosemount Inc. | Transmitter with removable local operator interface |
| KR20080036495A (en) * | 2006-10-23 | 2008-04-28 | 삼성전자주식회사 | Sim card fixing and separation apparatus for portable terminal |
| CN107981591B (en) * | 2017-12-21 | 2023-09-08 | 广东东泰五金精密制造有限公司 | Labor-saving pressing rebound mechanism for furniture |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2337693Y (en) * | 1998-07-03 | 1999-09-08 | 鸿海精密工业股份有限公司 | Disengagement mechanism for coupling device |
| US6109941A (en) * | 1999-02-02 | 2000-08-29 | Hon Hai Precision Ind. Co., Ltd. | Ejector mechanism for a memory card connector |
| EP1193807A2 (en) * | 2000-09-27 | 2002-04-03 | Hirose Electric Co., Ltd. | Card connector |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3083778B2 (en) * | 1997-03-10 | 2000-09-04 | エスエムケイ株式会社 | IC card connector |
| JP2887865B2 (en) | 1997-06-02 | 1999-05-10 | アルプス電気株式会社 | Connector device |
| JP3248068B2 (en) | 1997-10-27 | 2002-01-21 | ホシデン株式会社 | Card connector |
| JP2000331563A (en) | 1999-05-24 | 2000-11-30 | Alps Electric Co Ltd | Push button switch |
-
2002
- 2002-08-29 JP JP2002250668A patent/JP3823903B2/en not_active Expired - Fee Related
-
2003
- 2003-08-21 KR KR1020030057858A patent/KR101015421B1/en not_active IP Right Cessation
- 2003-08-28 CN CNB031560377A patent/CN1306659C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2337693Y (en) * | 1998-07-03 | 1999-09-08 | 鸿海精密工业股份有限公司 | Disengagement mechanism for coupling device |
| US6109941A (en) * | 1999-02-02 | 2000-08-29 | Hon Hai Precision Ind. Co., Ltd. | Ejector mechanism for a memory card connector |
| EP1193807A2 (en) * | 2000-09-27 | 2002-04-03 | Hirose Electric Co., Ltd. | Card connector |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20040019903A (en) | 2004-03-06 |
| JP2004095194A (en) | 2004-03-25 |
| KR101015421B1 (en) | 2011-02-22 |
| CN1489242A (en) | 2004-04-14 |
| JP3823903B2 (en) | 2006-09-20 |
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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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070321 Termination date: 20130828 |