CN102570181B - 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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- CN102570181B CN102570181B CN201210038137.7A CN201210038137A CN102570181B CN 102570181 B CN102570181 B CN 102570181B CN 201210038137 A CN201210038137 A CN 201210038137A CN 102570181 B CN102570181 B CN 102570181B
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- card
- groove
- movable post
- cylinder
- spring
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- 230000000694 effects Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000003466 welding Methods 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 prior art, the spring-piece type buckle that SD cartoon is crossed SD draw-in groove fixes, and prevents that SD card from coming off from SD draw-in groove.Conventionally user snaps into SD draw-in groove and realizes SD card and insert, realize SD card and eject from SD draw-in groove again by pressing SD card by pressing SD.For SD draw-in groove, this power of pressing has clearly regulation, and each SD draw-in groove manufacturer also pays special attention to this index.But while being stuck in SD draw-in groove for SD, the power that directly SD card is pulled out from SD draw-in groove, owing to clearly not specifying, so the power consistency that the SD card of current SD draw-in groove pulls out from SD draw-in groove is too poor: there is no this index the specifications of the SD draw-in groove having; Although and in the specifications of some SD draw-in grooves, have this index, in the SD draw-in groove specifications of the same specification of same manufacturer, illustrate that SD card pulls out required power at 0.5 N ~ 6.0 Ns, visible consistency is too poor.When SD card pulls out required power when lower, SD card easily comes off from SD draw-in groove.
And the Cell Phone Design of current built-in SD card, as shown in Figure 1, SD draw-in groove 200 is welded on pcb board 100, on described SD draw-in groove 200, be provided with spring-piece type buckle 201, on SD card 300, be provided with the buckle slot 301 of adaptive described buckle 201, described SD card 300 is fixed by buckle slot 301 and buckle 201 with SD draw-in groove.In order to facilitate SD card 300 to plug, by the area portions of the corresponding SD card 300 of SD draw-in groove 200 opening directions, be set to empty regions, in this empty regions (volume range of corresponding SD card), without any electronics and structural material.When SD card 300 inserts after SD draw-in groove 200, mobile phone falls towards SD draw-in groove 200 opening directions, and some mobile phone SD card 300 is easy to depart from from SD draw-in groove 200, will cause like this cylinder of mobile phone, drop performance obviously to reduce, and does not reach designing requirement.For user, can cause read-write capability that it falls rear SD card to damage, and then causing MP3 cannot play, take pictures, that photography cannot be preserved, file in SD card 300 cannot be checked etc. is all abnormal, has affected 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 cylinder and the drop performance of mobile phone, prevent SD card from from SD draw-in groove, coming off and cause the read-write capability of SD card to damage, and then causing MP3 cannot play, take pictures, that photography cannot be preserved, file in SD card 300 cannot be checked etc. is all abnormal.
Technical scheme of the present invention is as follows:
An anti-drop structure for built-in SD card, is arranged on Mobile phone PCB, is provided with SD draw-in groove on described pcb board, and described SD draw-in groove is used for installing SD card; Wherein, on described pcb board, the arranged outside of described SD draw-in groove opening direction has a groove, in described groove, be provided with the movable post for supporting SD card-edge, on described movable post, be arranged with one and be convenient to the spring that described movable post vertically moves, in described groove, arrange one for placing the holder of described spring, the bottom of described holder is provided with the containing cavity that installs described movable post.
The anti-drop structure of described built-in SD card, wherein, the lower end of described movable post is set to the first cylinder for sheathed described spring, and the diameter of described the first cylinder is less than the internal diameter of described spring.
The anti-drop structure of described built-in SD card, wherein, the upper end of described movable post is set to the second cylinder for supporting described SD card-edge, and the diameter of described the second cylinder is greater than the diameter of described the first cylinder, and the top of described spring supports on the bottom surface of described the second cylinder.
The anti-drop structure of described built-in SD card, wherein, described holder bottom is provided with stage portion, and described containing cavity is arranged in described stage portion.
The anti-drop structure of described built-in SD card, wherein, the containing cavity of described through hole is less than the external diameter of described spring, and the bottom of described spring supports in described stage portion.
The anti-drop structure of built-in SD card provided by the present invention, owing to being provided with one for supporting the movable post of SD card-edge on Mobile phone PCB, effectively prevent that SD card from coming off from SD draw-in groove, cylinder and the drop performance of mobile phone are improved, prevented SD card from from SD draw-in groove, coming off and caused SD card read-write capability to damage, and then causing MP3 cannot play, take pictures, that photography cannot be preserved, the file of 300 kinds, SD card cannot be checked etc. is all abnormal.
Brief description of the drawings
Fig. 1 is the structural representation of SD card and SD draw-in groove in present technology.
Fig. 2 is the structural representation that the built-in SD card of the present invention anti-drop structure installs SD card.
Fig. 3 is the sectional side elevation that the built-in SD card of the present invention anti-drop structure installs SD card.
Fig. 4 is the enlarged diagram of A portion in Fig. 3.
Structural representation when Fig. 5 is this built-in SD card anti-drop structure installation SD card of invention.
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 in Fig. 6.
Embodiment
Below with reference to accompanying drawing, the specific embodiment of the present invention is described in detail, described specific embodiment only, in order to explain the present invention, is not intended to limit the specific embodiment of the present invention.
The invention discloses a kind of anti-drop structure of built-in SD card, if Fig. 2 is in conjunction with as shown in Fig. 3 and Fig. 4, described anti-drop structure is arranged on the pcb board of mobile phone.On described pcb board 110, be provided with SD draw-in groove 210, described SD draw-in groove 210 is for installing SD card 310.Preferably can adopt the mode of welding that described SD draw-in groove 210 is welded on described pcb board 110.Described SD card 310 is placed in described SD draw-in groove 210, on described SD draw-in groove 210, is provided with spring-piece type buckle, is provided with the buckle slot of adaptive described buckle on SD card 310, and described SD card 310 is fixed by buckle slot and buckle with SD draw-in groove 210.On described pcb board 110, the outside of described SD draw-in groove 210 opening directions is empty regions for the area portions of inserting SD card 310, one groove 111 is set in described empty regions, in described groove 111, be provided with the movable post 420 for supporting SD card 310 edges, on described movable post 420, be arranged with one and be convenient to the spring 430 that described movable post vertically moves, movable post 420 can vertically motion in described groove 111 under the effect of pressing force and recoil of spring power.Arrange one for placing the holder 410 of described spring 430 described groove 111 is interior, the bottom of described holder 410 is provided with the containing cavity 411 that installs described movable post 420, the internal diameter of described holder 410 is slightly larger than the external diameter of described spring 430, to ensure that described spring 430 can be placed in described holder 410, ensure that described spring 430 and described movable post 420 only can movement in vertical direction in described holder 410 and can not horizontal motion simultaneously.
When SD card 310 inserts after SD draw-in groove 210, under the effect of described spring 430 elastic force, described movable post 420 moves vertically upward, and its sidewall supports residence states the edge of SD card 310, thereby described SD card 310 is completely fixed, has prevented that SD card 310 from coming off from SD draw-in groove 210.Thereby cylinder and the drop performance of mobile phone are improved.Also effectively prevented SD card 310 from from SD draw-in groove 210, coming off and caused the read-write capability of SD card to damage, and then causing MP3 cannot play, take pictures, that photography cannot be preserved, file in SD card 310 cannot be checked etc. is all abnormal.
If Fig. 5 is in conjunction with as shown in Fig. 6, Fig. 7, in the time that described SD card 310 need to plug, press described movable post 420, make the top of movable post 420 lower than the bottom of described SD card 310, now described SD card 310 can plug smoothly.Movable post 420 is vertically down compressing described spring 430 in motion process, and after pressing force disappears, described spring 430 resiliences are moved described movable post 420 to get back to its sidewall to support the position at described SD card 310 edges vertically upward.
Preferably, as shown in Figure 4, the lower end of described movable post 420 is set to the first cylinder 422 for sheathed described spring 430, and the diameter of described the first cylinder 422 is less than the internal diameter of described spring 430, to ensure that described spring 430 can be enclosed within on described the first cylinder 422.
Preferably, as shown in Figure 4, the upper end of described movable post 420 is provided with the second cylinder 421 for supporting described SD card 310 edges, the diameter of described the second cylinder 421 is greater than the diameter of described the first cylinder 422, the outward flange of described like this second cylinder 421 can be resisted against the edge of described SD card 310, ensures that described spring 430 supports on the bottom surface of described the second cylinder 421 simultaneously.And the first cylinder 422 can be by realizing in the interior vertical up-or-down movement of groove 111 with the adaptation of spring 430, thereby ensure that this activity post 420 has enough activity spaces, and convenient for assembly.Meanwhile, stage portion 412 can also be set described holder 410 is interior, described containing cavity 411 is arranged in described stage portion 412.Can form like this end face fixing with described spring 430 bottoms, ensure that the spacing that described movable post 420 moves down is larger simultaneously, to form the space that facilitates SD card 310 to plug.
Preferably, as shown in Figure 4, the diameter of described containing cavity 411 is less than the external diameter of described spring 430, and the two ends of described spring 430 are held by the bottom surface of described the second cylinder 421 and the end face of described stage portion 412.In the time pressing described movable post, one end of described spring 430 is compressed in the bottom surface of described the second cylinder 421, and because described holder 410 is fixed, now spring 430 is compressed.After pressing force disappears, under the effect of described spring 430 resilience forces, drive described movable post 420 to move vertically upward to hold residence and state SD card 310.
In the time that needs are installed SD card 310, press described movable post 420, make described the first cylinder 422 in described containing cavity 411, make the top of described the second cylinder 421 lower than the bottom of described SD card 310, now described SD card 310 can insert smoothly.Movable post 420 is down compressing described spring 430 in motion process.
After pressing force disappears, under the effect of described spring 430 resilience forces, make described spring 430 resiliences, thereby drive described movable post 420 to move vertically upward, make the outward flange of described the second cylinder 421 support the position at described SD card 310 edges.Because described SD card 310 inserts after described SD draw-in groove 210, top, bottom, front side, left side and the right side of described SD card 310 is fixing by described SD draw-in groove 210, the rear side of described SD card 310 is supported by the outward flange of described the second cylinder 421, is completely fixed in described SD draw-in groove 210 thereby realized SD card 310.
In the time that needs are pulled down described SD card 310, must press described movable post 420, make described the first cylinder 422 in described containing cavity 411, make the top of described the second cylinder 421 lower than the bottom of described SD card 310, now described SD card 310 just can be pulled down.
Compared with of the prior art, the anti-drop structure of a kind of built-in SD card provided by the present invention, owing to being provided with one for supporting the movable post of SD card-edge on Mobile phone PCB, effectively prevent that SD card from coming off from SD draw-in groove, cylinder and the drop performance of mobile phone are improved, prevented SD card from from SD draw-in groove, coming off and caused SD card read-write capability to damage, and then causing MP3 cannot play, take pictures, that photography cannot be preserved, file in SD card cannot be checked etc. is all abnormal.
Should be understood that; the foregoing is only preferred embodiment of the present invention; be not sufficient to limit technical scheme of the present invention; for those of ordinary skills; within the spirit and principles in the present invention; can be increased and decreased according to the above description, replaced, converted or be improved, and all these increases and decreases, replace, conversion or improve after technical scheme, all should belong to the protection range of claims of the present invention.
Claims (3)
1. an anti-drop structure for built-in SD card, is arranged on Mobile phone PCB, is provided with SD draw-in groove on described pcb board, and described SD draw-in groove is used for installing SD card; It is characterized in that, on described pcb board, the arranged outside of described SD draw-in groove opening direction has a groove, in described groove, be provided with the movable post for supporting SD card-edge, on described movable post, be arranged with one and be convenient to the spring that described movable post vertically moves, in described groove, arrange one for placing the holder of described spring, the bottom of described holder is provided with the containing cavity that installs described movable post;
The lower end of described movable post is set to the first cylinder for sheathed described spring, and the diameter of described the first cylinder is less than the internal diameter of described spring;
The upper end of described movable post is set to the second cylinder for supporting described SD card-edge, and the diameter of described the second cylinder is greater than the diameter of described the first cylinder, and the top of described spring supports on the bottom surface of described the second cylinder;
The internal diameter of described holder is greater than the external diameter of described spring;
In the time that described SD card is installed, press described movable post, make described the first cylinder in described containing cavity, make the top of described the second cylinder lower than the bottom of described SD card.
2. the anti-drop structure of built-in SD card according to claim 1, is characterized in that, described holder bottom is provided with stage portion, and described containing cavity is arranged in described stage portion.
3. the anti-drop structure of built-in SD card according to claim 2, is characterized in that, the diameter of described containing cavity is less than the external diameter of described spring, and the bottom of described spring supports in described 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 CN102570181A (en) | 2012-07-11 |
| CN102570181B true CN102570181B (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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Families Citing this family (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 |
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| CN102570181A (en) | 2012-07-11 |
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Granted publication date: 20141105 |