CN102570181A - Built-in type SD (Secure Digital) card falling preventing structure - Google Patents
Built-in type SD (Secure Digital) card falling preventing structure Download PDFInfo
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- CN102570181A CN102570181A CN2012100381377A CN201210038137A CN102570181A CN 102570181 A CN102570181 A CN 102570181A CN 2012100381377 A CN2012100381377 A CN 2012100381377A CN 201210038137 A CN201210038137 A CN 201210038137A CN 102570181 A CN102570181 A CN 102570181A
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- 238000000034 method Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
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Abstract
The invention discloses a built-in type SD (Secure Digital) card falling preventing structure, which is arranged on a mobile telephone PCB (Printed Circuit Board), wherein an SD card groove is arranged on the PCB and is used for holding an SD card; a groove is arranged outside the SD card groove opening direction on the PCB; a movable post for abutting the SD card margin is arranged in the groove; a spring for facilitating the moving of the movable post along the vertical direction is sleeved on the movable post; a fixed seat for placing of the spring is arranged in the groove; and a holding cavity for holding the movable post is arranged at the bottom of the fixed seat. According to the invention, the movable post for abutting the SD card margin is arranged on the mobile telephone PCB, thus the falling of the SD card from the SD card groove is effectively prevented, the roller and falling performances of the mobile telephone is improved, and the abnormities that MP3 cannot play, shooting images cannot be saved, 300 kinds of files in the SD card cannot read and the like caused by damage on the reading/writing function of the SD card are prevented.
Description
Technical field
The present invention relates to field of mobile phones, in particular, what relate to is a kind of anti-drop structure of built-in SD card.
Background technology
In the prior art, the spring-piece type buckle that the SD cartoon is crossed the SD draw-in groove fixes, and prevents that the SD card from coming off from the SD draw-in groove.Usually the user snaps into the insertion of SD draw-in groove realization SD card, realizes that through pushing the SD card SD card ejects from the SD draw-in groove again through pushing SD.For the SD draw-in groove, this power of pushing has clearly regulation, and each SD draw-in groove manufacturer also pays special attention to this index.But when being stuck in the SD draw-in groove for SD, the power that directly the SD card is pulled out from the SD draw-in groove, owing to clearly do not stipulate, so the SD card of current SD draw-in groove is too poor from the power consistency that the SD draw-in groove pulls out: do not have this index the specifications of the SD draw-in groove that has; And though this index is arranged in the specifications of the SD draw-in groove that has, explanation SD card pulls out required power at 0.5 N ~ 6.0 Ns in the SD draw-in groove specifications of the same specification of same manufacturer, visible consistency is too poor.When the SD card pulls out required power when low, the SD card comes off from the SD draw-in groove easily.
And the mobile phones design of current built-in SD card; As shown in Figure 1; SD draw-in groove 200 is welded on the pcb board 100; Said SD draw-in groove 200 is provided with spring-piece type buckle 201, and SD card 300 is provided with the buckle slot 301 of adaptive said buckle 201, and said SD card 300 is fixed through buckle slot 301 and buckle 201 with the SD draw-in groove.SD card 300 plugs for ease, the area portions with the corresponding SD card 300 of SD draw-in groove 200 opening directions is set to empty regions, and (volume range of corresponding SD card) has no electronics and structural material in this empty regions.After SD card 300 inserted SD draw-in groove 200, mobile phone fell towards SD draw-in groove 200 opening directions, and some mobile phone SD card 300 is easy to from SD draw-in groove 200, break away from, and will cause the cylinder of mobile phone, drop performance obviously to reduce like this, does not reach designing requirement.For the user, can cause its read-write capability that falls back SD card to damage, and then causing MP3 can't play, take pictures, that photography can't be preserved, the file in the SD card 300 can't be checked etc. is all unusual, has influenced user's use.
Therefore, prior art still haves much room for improvement and develops.
Summary of the invention
The object of the present invention is to provide a kind of anti-drop structure of built-in SD card; Improve the cylinder and the drop performance of mobile phone; Prevent the SD card from from the SD draw-in groove, coming off and cause the read-write capability of SD card to damage, and then causing MP3 can't play, take pictures, that photography can't be preserved, the file in the SD card 300 can't be checked etc. is all unusual.
Technical scheme of the present invention is following:
A kind of anti-drop structure of built-in SD card is arranged on the mobile phone pcb board, and said pcb board is provided with the SD draw-in groove, and said SD draw-in groove is used to install the SD card; Wherein, On said pcb board; The arranged outside of said SD draw-in groove opening direction has a groove, is provided with the movable post that is used to support the SD card-edge in the said groove, is arranged with one on the said movable post and is convenient to the spring that said movable post vertically moves; In said groove, be provided with one be used to place said spring holder, the bottom of said holder is provided with the containing cavity that installs said movable post.
The anti-drop structure of described built-in SD card, wherein, the lower end of said movable post is set to be used for first cylinder of sheathed said spring, and the diameter of said first cylinder is less than the internal diameter of said spring.
The anti-drop structure of described built-in SD card; Wherein, The upper end of said movable post is set to be used to support second cylinder of said SD card-edge, and the diameter of said second cylinder is greater than the diameter of said first cylinder, and the top of said spring supports on the bottom surface of said second cylinder.
The anti-drop structure of described built-in SD card, wherein, said holder bottom is provided with stage portion, and said containing cavity is arranged in the said stage portion.
The anti-drop structure of described built-in SD card, wherein, the containing cavity of said through hole is less than the external diameter of said spring, and the bottom of said spring supports on said stage portion.
The anti-drop structure of built-in SD card provided by the present invention; Since on the mobile phone pcb board, be provided with one be used to support the SD card-edge movable post; Prevented that effectively the SD card from coming off from the SD draw-in groove; Improved the cylinder and the drop performance of mobile phone, prevented that the SD card from coming off and cause SD card read-write capability to damage from the SD draw-in groove, and then causing MP3 can't play, take pictures, that photography can't be preserved, the file of 300 kinds on SD card can't be checked etc. is all unusual.
Description of drawings
Fig. 1 is the structural representation of SD card and SD draw-in groove in the present technology.
Fig. 2 is the structural representation that the built-in SD card of the present invention anti-drop structure installs the SD card.
Fig. 3 is the sectional side elevation that the built-in SD card of the present invention anti-drop structure installs the SD card.
Fig. 4 is the enlarged diagram of A portion among Fig. 3.
Fig. 5 is the structural representation of this built-in SD card anti-drop structure of invention when the SD card is installed.
Sectional side elevation when Fig. 6 is the built-in SD card of the present invention anti-drop structure installation SD card.
Fig. 7 is the enlarged diagram of B portion among Fig. 6.
Embodiment
Below will combine accompanying drawing, specific embodiments of the invention specifies, and described specific embodiment in order to explain the present invention, is not to be used to limit embodiment of the present invention only.
The invention discloses a kind of anti-drop structure of built-in SD card, combine Fig. 3 and shown in Figure 4 like Fig. 2, said anti-drop structure is arranged on the pcb board of mobile phone.Said pcb board 110 is provided with SD draw-in groove 210, and said SD draw-in groove 210 is used to install SD card 310.Preferably can adopt the mode of welding that said SD draw-in groove 210 is welded on the said pcb board 110.Said SD card 310 places in the said SD draw-in groove 210, and said SD draw-in groove 210 is provided with the spring-piece type buckle, and SD card 310 is provided with the buckle slot of adaptive said buckle, and said SD card 310 is fixed through buckle slot and buckle with SD draw-in groove 210.On said pcb board 110; The area portions that the outside of said SD draw-in groove 210 opening directions is used to insert SD card 310 is an empty regions; One groove 111 is set on said empty regions; Be provided with the movable post 420 that is used to support SD card 310 edges in the said groove 111, be arranged with one on the said movable post 420 and be convenient to the spring 430 that said movable post vertically moves, movable post 420 can vertically move in said groove 111 under the effect of pressing force and recoil of spring power.In said groove 111, be provided with one be used to place said spring 430 holder 410; The bottom of said holder 410 is provided with the containing cavity 411 that installs said movable post 420; The internal diameter of said holder 410 is slightly larger than the external diameter of said spring 430; To guarantee that said spring 430 can be placed in the said holder 410, guarantee that simultaneously said spring 430 and said movable post 420 only can movement in vertical direction in said holder 410 and can not horizontal motion.
After SD card 310 inserts SD draw-in groove 210; Under the effect of said spring 430 elastic force, said movable post 420 moves vertically upward, and its sidewall supports the edge that SD card 310 is stated in the residence; Thereby said SD card 310 is completely fixed, has prevented that SD card 310 from coming off from SD draw-in groove 210.Thereby the cylinder and the drop performance of mobile phone have been improved.Also prevented SD card 310 from from SD draw-in groove 210, coming off effectively and cause the read-write capability of SD card to damage, and then causing MP3 can't play, take pictures, that photography can't be preserved, the file in the SD card 310 can't be checked etc. is all unusual.
Combine Fig. 6, shown in Figure 7 like Fig. 5, when said SD card 310 needs plug, press said movable post 420, make the top of movable post 420 be lower than the bottom of said SD card 310, this moment, said SD card 310 can plug smoothly.Movable post 420 is vertically down compressing said spring 430 in the motion process, and after pressing force disappeared, said spring 430 resiliences were moved said movable post 420 vertically upward and got back to the position that its sidewall supports said SD card 310 edges.
Preferably; As shown in Figure 4; The lower end of said movable post 420 is set to be used for first cylinder 422 of sheathed said spring 430, and the diameter of said first cylinder 422 can be enclosed within on said first cylinder 422 to guarantee said spring 430 less than the internal diameter of said spring 430.
Preferably; As shown in Figure 4; The upper end of said movable post 420 is provided with second cylinder 421 that is used to support said SD card 310 edges; The diameter of said second cylinder 421 is greater than the diameter of said first cylinder 422, and the outward flange of said like this second cylinder 421 can be resisted against the edge of said SD card 310, guarantees that simultaneously said spring 430 supports on the bottom surface of said second cylinder 421.And first cylinder 422 can be through being implemented in vertical up-or-down movements in the groove 111 with spring 430 adaptive, thereby guarantee that this activity post 420 has enough activity spaces, and convenient for assembly.Simultaneously, in said holder 410, stage portion 412 can also be set, said containing cavity 411 is arranged in the said stage portion 412.Can form like this and end face that said spring 430 bottoms are fixing, guarantee that simultaneously the spacing that said movable post 420 moves down is bigger, so that form the space that makes things convenient for 310 plugs of SD card.
Preferably, as shown in Figure 4, the diameter of said containing cavity 411 is less than the external diameter of said spring 430, and the two ends of said spring 430 are held by the bottom surface of said second cylinder 421 and the end face of said stage portion 412.When pressing said movable post, an end of said spring 430 is compressed in the bottom surface of said second cylinder 421, because said holder 410 is fixed, this moment, spring 430 was compressed.After pressing force disappears, under the effect of said spring 430 resilience forces, drive said movable post 420 and move vertically upward and hold the residence and state SD card 310.
When needs are installed SD card 310, push said movable post 420, said first cylinder 422 is in the said containing cavity 411, make the top of said second cylinder 421 be lower than the bottom of said SD card 310, this moment, said SD card 310 can insert smoothly.Movable post 420 is down compressing said spring 430 in the motion process.
After pressing force disappears, under the effect of said spring 430 resilience forces, make said spring 430 resiliences, move vertically upward thereby drive said movable post 420, make the outward flange of said second cylinder 421 support the position at said SD card 310 edges.Because after said SD card 310 inserts said SD draw-in groove 210; The top of said SD card 310, bottom, front side, left side and right side are fixed by said SD draw-in groove 210; The rear side of said SD card 310 is supported by the outward flange of said second cylinder 421, thereby has realized that SD card 310 is completely fixed in the said SD draw-in groove 210.
When needs are pulled down said SD card 310, must press said movable post 420, said first cylinder 422 is in the said containing cavity 411, make the top of said second cylinder 421 be lower than the bottom of said SD card 310, this moment, said SD card 310 just can be pulled down.
Compare with of the prior art; The anti-drop structure of a kind of built-in SD card provided by the present invention; Since on the mobile phone pcb board, be provided with one be used to support the SD card-edge movable post, prevented that effectively the SD card from coming off from the SD draw-in groove, improved the cylinder and the drop performance of mobile phone; Prevented the SD card from from the SD draw-in groove, coming off and cause SD card read-write capability to damage, and then causing MP3 can't play, take pictures, that photography can't be preserved, the file in the SD card can't be checked etc. is all unusual.
Should be understood that; The above is merely preferred embodiment of the present invention, is not sufficient to limit technical scheme of the present invention, concerning those of ordinary skills; Within spirit of the present invention and principle; Can increase and decrease according to above-mentioned explanation, replacement, conversion or improvement, and all these increases and decreases, replacement, conversion or improve after technical scheme, all should belong to the protection range of accompanying claims of the present invention.
Claims (5)
1. the anti-drop structure of a built-in SD card is arranged on the mobile phone pcb board, and said pcb board is provided with the SD draw-in groove, and said SD draw-in groove is used to install the SD card; It is characterized in that; On said pcb board; The arranged outside of said SD draw-in groove opening direction has a groove, is provided with the movable post that is used to support the SD card-edge in the said groove, is arranged with one on the said movable post and is convenient to the spring that said movable post vertically moves; In said groove, be provided with one be used to place said spring holder, the bottom of said holder is provided with the containing cavity that installs said movable post.
2. the anti-drop structure of built-in SD card according to claim 1 is characterized in that, the lower end of said movable post is set to be used for first cylinder of sheathed said spring, and the diameter of said first cylinder is less than the internal diameter of said spring.
3. the anti-drop structure of built-in SD card according to claim 2; It is characterized in that; The upper end of said movable post is set to be used to support second cylinder of said SD card-edge; The diameter of said second cylinder is greater than the diameter of said first cylinder, and the top of said spring supports on the bottom surface of said second cylinder.
4. the anti-drop structure of built-in SD card according to claim 1 is characterized in that, said holder bottom is provided with stage portion, and said containing cavity is arranged in the said stage portion.
5. the anti-drop structure of built-in SD card according to claim 4 is characterized in that, the diameter of said containing cavity is less than the external diameter of said spring, and the bottom of said spring supports on said stage portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210038137.7A CN102570181B (en) | 2012-02-20 | 2012-02-20 | Built-in type SD (Secure Digital) card falling preventing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210038137.7A CN102570181B (en) | 2012-02-20 | 2012-02-20 | Built-in type SD (Secure Digital) card falling preventing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102570181A true CN102570181A (en) | 2012-07-11 |
| CN102570181B CN102570181B (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210038137.7A Expired - Fee Related CN102570181B (en) | 2012-02-20 | 2012-02-20 | Built-in type SD (Secure Digital) card falling preventing structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647183A (en) * | 2013-11-25 | 2014-03-19 | 无锡莱吉特信息科技有限公司 | An antiskid SD card slot |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1404658A (en) * | 2000-02-25 | 2003-03-19 | 松下电器产业株式会社 | Card holding structure and portable terminal apparatus having the same |
| JP2008027415A (en) * | 2006-07-24 | 2008-02-07 | Stone Technology Internatl Co Ltd | Memory card with automatic interface standard compensation function |
| CN101662103A (en) * | 2008-08-29 | 2010-03-03 | 深圳富泰宏精密工业有限公司 | Fixing and holding device of chip card |
| CN101662102A (en) * | 2008-08-29 | 2010-03-03 | 深圳富泰宏精密工业有限公司 | Fixing and holding device of chip card |
| CN201717399U (en) * | 2010-06-24 | 2011-01-19 | 英业达股份有限公司 | Card insertion structure |
| CN102055089A (en) * | 2009-11-09 | 2011-05-11 | 英业达股份有限公司 | Memory card connecting device |
| CN202121159U (en) * | 2011-04-27 | 2012-01-18 | 比亚迪股份有限公司 | Electronic product |
-
2012
- 2012-02-20 CN CN201210038137.7A patent/CN102570181B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1404658A (en) * | 2000-02-25 | 2003-03-19 | 松下电器产业株式会社 | Card holding structure and portable terminal apparatus having the same |
| JP2008027415A (en) * | 2006-07-24 | 2008-02-07 | Stone Technology Internatl Co Ltd | Memory card with automatic interface standard compensation function |
| CN101662103A (en) * | 2008-08-29 | 2010-03-03 | 深圳富泰宏精密工业有限公司 | Fixing and holding device of chip card |
| CN101662102A (en) * | 2008-08-29 | 2010-03-03 | 深圳富泰宏精密工业有限公司 | Fixing and holding device of chip card |
| CN102055089A (en) * | 2009-11-09 | 2011-05-11 | 英业达股份有限公司 | Memory card connecting device |
| CN201717399U (en) * | 2010-06-24 | 2011-01-19 | 英业达股份有限公司 | Card insertion structure |
| CN202121159U (en) * | 2011-04-27 | 2012-01-18 | 比亚迪股份有限公司 | Electronic product |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647183A (en) * | 2013-11-25 | 2014-03-19 | 无锡莱吉特信息科技有限公司 | An antiskid SD card slot |
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| Publication number | Publication date |
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| CN102570181B (en) | 2014-11-05 |
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Granted publication date: 20141105 |