CN2715240Y - Fool-proof structure and card reader using the same - Google Patents
Fool-proof structure and card reader using the same Download PDFInfo
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- CN2715240Y CN2715240Y CN 200420036801 CN200420036801U CN2715240Y CN 2715240 Y CN2715240 Y CN 2715240Y CN 200420036801 CN200420036801 CN 200420036801 CN 200420036801 U CN200420036801 U CN 200420036801U CN 2715240 Y CN2715240 Y CN 2715240Y
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- slot
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- memory card
- calculating punch
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Abstract
A structure against mistake insert of the utility model has application in card readers. The card reader is provided with at least one slot appropriate for the accommodation of an external connection memory card. The structure against mistake insert is provided with a bolt and a buckled spring. Wherein, the buckled spring is connected with the bolt. When users insert the external connection memory card in the slot under normal work state, the bolt doesn't stop the correct end of the external connection memory card. The card is inserted easily. However, when users insert the external connection memory card in the slot under incorrect state, the bolt stops the wrong end of the external connection memory card. The card is unable to be inserted in the slot.
Description
Technical field
The utility model relates to a kind of calculating punch (card reader), and is particularly related to a kind of error-proof structure of calculating punch.
Background technology
Be the epoch of the many technology of information now, more and more computer products and computer peripheral equipment thereof are used widely, equipment such as mobile phone, digital camera and notebook computer for example, and undoubtedly they have become one of necessity in the life.Because the arriving of digitizing science and technology, the disk sheet of large scale specification in the past, because magnetized influence, its disk size usually can not satisfy the use needs and be eliminated gradually, the small-sized storage medium that the capacity of the substitute is is bigger, volume is littler, wherein the memory card of being researched and developed with flash memory technology is the most general, and it is with easy to carry and access advantage easily.
Market with small-sized storage medium, the memory card specification that each tame manufacturer manufacturing is produced is all different, and the most general memory card is memory cards such as Compact FlashCard (being called for short the CF card), SmartMedia Card (being called for short the SM card), MultiMediaCard, Memory Stick and SD Memory Card for example.Certainly these small-sized storage mediums need exclusive calculating punch to do the action of read-write, therefore the calculating punch of various specification also arises at the historic moment, modal for example Compact Flash calculating punch, SmartMedia calculating punch and Memory Stick calculating punch are all quite general at present, and also release the calculating punch of the memory card of multiple erasable different sizes such as two-in-one, three-in-one or four unifications on the market, to meet the hommization demands of many card one.In addition, calculating punch is under the market demand, also gradually with USB (universal serial bus) (be called for short USB) as transmission interface, the calculating punch as transmission interface with the IEEE1394 of high transmission speed is also arranged certainly on the market, in order to read and write more high power capacity, dynamic picked image File Format.
Fig. 1 is the schematic top plan view of existing a kind of calculating punch, be suitable for reading and writing a circumscribed memory card, and the circumscribed memory card for example is the memory card of CF card, SM card or other specification, but the memory card of different size is all used with the calculating punch with supporting read-write interface.Show as Fig. 1, existing calculating punch 100 has the slot of a slot 102 or a plurality of different sizes, in order to hold the memory card of a circumscribed memory card 110 or a plurality of different sizes, and the insertion end 112 of memory card 110 serves as a mark with an oblique angle 112a usually, for the user can be without thinking with an end of oblique angle 112a mark insert slot 102 in, for example memory cards such as SM card, MultiMedia Card, Memory Stick and SD Memory Card all have this oblique angle design.Aspect the installation calculating punch, calculating punch 100 has a USB or IEEE1394 transmission interface 104, the USB interface or the IEEE1394 interface that directly are inserted in desktop PC (not shown) or mobile computer (not shown) get final product, and is easy to use and have an advantage of plug and play.
It should be noted that; though between circumscribed memory card 110 and calculating punch 100 with the slot 102 of special use to distinguish the memory card of different size; yet when both are used; the user is usually perplexing: should insert up in the slot 102 with the front (referring to have the one side of printed patterns) of memory card 110; still insert up in the slot 102 with the reverse side of memory card 110 one side of (being commonly called as golden finger) 114 (refer to have splicing ear)? the user is usually irresolute to this query; and the direction of insertion of the calculating punch 100 of each tame different size also has many differences; to such an extent as to the user is under the design conditions of each tame calculating punch inside of having little understanding, the awkward situation that can't correctly use takes place in regular meeting.For example, the user inserts at every turn and just finds behind the memory card 110 wrong or can't normally use, and could normally use after memory card 110 oppositely and again must being inserted at last.Because calculating punch 100 is when design, there is no any fool proof of configuration mechanism and remind user's direction of insertion improperly, therefore when memory card 110 inserts with front or reverse side, all do not have hell and high water, and cause correctly to use calculating punch 100, the serious splicing ear that may destroy calculating punch 100 and memory card 110.
Summary of the invention
The purpose of this utility model is exactly that a kind of error-proof structure of calculating punch is being provided, and utilizes effectively and fool proof design easily can guarantee that the user correctly inserts the circumscribed memory card in the calculating punch.
Another purpose of the utility model is to provide a kind of calculating punch, and this calculating punch is provided with an error-proof structure, utilizes effectively and fool proof design easily can guarantee that the user correctly inserts the circumscribed memory card in the calculating punch.
The utility model error-proof structure is applied to a calculating punch, the housing of this calculating punch has at least one slot, in order to hold a circumscribed memory card, and this circumscribed memory card has an oblique angle, the error-proof structure of this calculating punch comprises: a latch, be disposed on the side of this slot, this latch has first end and second end, this first end extends in this slot, and this first end face is an inclined-plane to the surface at the oblique angle of circumscribed memory card, this inclined-plane is subjected to the pushing and pressing at this oblique angle and can moves, and makes this first end leave this slot relatively, and this circumscribed memory card is inserted in this slot; And one the button hold spring, connect this latch, this button is held spring and is suitable for pushing against this latch, and this first end is extended in this slot.
A kind of calculating punch of the utility model comprises: a housing, have at least one slot, and this slot is suitable for holding a circumscribed memory card, and this circumscribed memory card has an oblique angle; One latch, be disposed on the side of this slot, this latch has first end and second end, this first end extend to this slot in, and this first end face is an inclined-plane to the surface at this oblique angle of this circumscribed memory card, this inclined-plane is suitable for being subjected to the pushing and pressing at this oblique angle and moves, and makes this first end leave this slot relatively, and this circumscribed memory card is inserted in this slot; One button is held spring, connects this latch, and this button is held spring and is suitable for pushing against this latch, so that this first end extends in this slot; A plurality of splicing ears, be disposed at this housing in, those splicing ears are suitable for contacting the terminal of this circumscribed memory card; And a transmission interface, connect those splicing ears.
The utility model is because of adopting simply and fool proof design easily, and the user need not insert at every turn afterwards just finds wrong or can't normally use.Therefore, the user can judge whether to insert correct before not inserting by error-proof structure, can use calculating punch more convenient, more quickly.
Description of drawings
Fig. 1 is the schematic top plan view of existing a kind of calculating punch.
Fig. 2 is the schematic top plan view of error-proof structure of a kind of calculating punch of the utility model one preferred embodiment.
Fig. 3 A and Fig. 3 B are the principle schematic of the error-proof structure of the utility model one preferred embodiment.
Embodiment
Figure 2 shows that the schematic top plan view of error-proof structure of a kind of calculating punch of the utility model one preferred embodiment, this calculating punch 200 is suitable for reading and writing a circumscribed memory card 210, and circumscribed memory card 210 for example is the memory card of CF card, SM card or other specification, but the memory card of different size all is used to have the calculating punch of supporting read-write interface.Show as Fig. 2, the housing of calculating punch 200 has a slot 202 (or slot of a plurality of different sizes), in order to hold a circumscribed memory card 210 (or memory card of a plurality of different sizes), and the insertion end 212 of memory card 210 serves as a mark with an oblique angle 212a usually, for the user can be without thinking with an end of oblique angle 212a mark insert slot 202 in, for example memory cards such as SM card, MultiMedia Card, Memory Stick and SD MemoryCard all have this oblique angle design.Aspect installation calculating punch 200, calculating punch 200 has a USB or IEEE1394 transmission interface 204, the USB interface or the IEEE1394 interface that directly are inserted in desktop PC (not shown) or mobile computer (not shown) get final product, and is easy to use and have an advantage of plug and play.In addition, the inside of calculating punch 200 also has a plurality of splicing ear 214b, connects transmission interface 204, and the splicing ear 214a of corresponding contact circumscribed memory card.
As shown in Figure 2, correctly circumscribed memory card 210 is inserted in the calculating punch 200, in the design of calculating punch 200, adopt one group of error-proof structure simple to operate 220 in order to remind the user.In the present embodiment, error-proof structure 220 is buckled external members such as holding spring 240 by a latch 230 and and is combined.Wherein, latch 230 has first end 232 and second end 234, and latch 230 is disposed on the side 202a of slot 202, or the formed latch pickup groove 250 of side 202a by slot 202, so that latch 230 only can move around in latch pickup groove 250 in the mode of horizontal arrangement, and its moving direction is haply perpendicular to the direction of insertion 10 of memory card 210.In addition, first end 232 of latch 230 is an inclined-plane 232a in the surface in the face of memory card 210, and first end 232 runs through first opening 252 of latch pickup groove 250, and extend to slot 202 in, second end 234 of latch 230 runs through second opening 254 of latch pickup groove 250.In addition, it is a volute spring that button is held spring 240, mode with horizontal arrangement is held between first opening 252 and second opening 254 equally, and its two ends corresponding contact latch 230 and latch pickup groove 250, and makes first end 232 of latch 230 keep protruding in the slot 202.
Be depicted as the principle schematic of the error-proof structure of the utility model one preferred embodiment as Fig. 3 A and Fig. 3 B.As shown in Figure 3A, the inclined-plane 232a of latch 230 is towards slot 202, and corresponding to the correct insertion end 212a of circumscribed memory card 210.Wherein, have oblique angle 212a mark one end on the insertion end 212 of correct insertion end 214 finger memory cards 210, on the contrary, mistake insertion end 212b refers to not have on the insertion end 212 other end of oblique angle 212a mark.Under the normal operating condition, when the user inserts circumscribed memory card 210 in the slot 202, the correct insertion end 212a of circumscribed memory card 210 is not subjected to stopping of latch 240, but cooperate with the inclined-plane of the oblique angle 212a mark of memory card 210 by the inclined-plane 232a of latch 230, latch 230 is pushed against and relative translation to the side of slot 202, and finish the insertion of plug-in card smoothly.Shown in Fig. 3 B, under wrong user mode, when the user inserted circumscribed memory card 210 in the slot 202, the wrong insertion end 212b of circumscribed memory card 210 cooperated because of slope-less, and is subjected to stopping of latch 230, therefore can't finish the insertion of plug-in card smoothly.
By above-mentioned explanation as can be known, need not the hesitate front of memory card 210 of user should face upward or downward, though the direction of insertion of the calculating punch of each tame different size has difference, but utilize effectively and fool proof design easily, can remind the user correctly circumscribed memory card 210 to be inserted in the calculating punches 200.Therefore, the user need not insert at every turn and just find behind the memory card 210 wrong or can't normally use, and could normally use after memory card 210 oppositely and again must being inserted at last.
In sum, in the error-proof structure of above-mentioned disclosed calculating punch, the user precedingly can judge whether to insert correct by error-proof structure what do not insert memory card, reduce and use wrong probability, and more convenient, use calculating punch more quickly.Wherein, error-proof structure has a latch and and buckles and hold spring.Wherein, the latch junction button is held spring, and latch also has an inclined-plane, protrudes in the slot.Under normal operating condition, when the user inserts the circumscribed memory card in the slot, the correct insertion end of circumscribed memory card (end with oblique angle) is not subjected to stopping of latch, and finish the insertion of plug-in card smoothly, yet under wrong user mode, when the user inserted the circumscribed memory card in the slot, the wrong insertion end of circumscribed memory card (end that does not have the oblique angle) was subjected to stopping of latch, and can't finish the insertion of plug-in card smoothly.Therefore, the user can correctly use calculating punch under the help of error-proof structure, to avoid destroying the splicing ear of calculating punch and memory card.
Claims (8)
1. the error-proof structure of a calculating punch, be applied to a calculating punch, the housing of this calculating punch has at least one slot, in order to hold a circumscribed memory card, and this circumscribed memory card has an oblique angle, and the error-proof structure of this calculating punch is characterised in that and comprises:
One latch, be disposed on the side of this slot, this latch has first end and second end, this first end extends in this slot, and this first end face is an inclined-plane to the surface at the oblique angle of circumscribed memory card, this inclined-plane is subjected to the pushing and pressing at this oblique angle and can moves, and makes this first end leave this slot relatively, and this circumscribed memory card is inserted in this slot; And
One button is held spring, connects this latch, and this button is held spring and is suitable for pushing against this latch, and this first end is extended in this slot.
2. the error-proof structure of calculating punch as claimed in claim 1, it is characterized in that: the side of described slot is provided with a latch pickup groove, this latch pickup groove has first opening and second opening, and first end of described latch runs through this first opening and extend in the slot, second end of described latch runs through this second opening, described button is held spring between this first opening and this second opening, and the two ends that this button is held spring contact this latch pickup groove and this slot respectively.
3. the error-proof structure of calculating punch as claimed in claim 1, it is characterized in that: it is a volute spring that described button is held spring.
4. calculating punch is characterized in that comprising:
One housing has at least one slot, and this slot is suitable for holding a circumscribed memory card, and this circumscribed memory card has an oblique angle;
One latch, be disposed on the side of this slot, this latch has first end and second end, this first end extend to this slot in, and this first end face is an inclined-plane to the surface at this oblique angle of this circumscribed memory card, this inclined-plane is suitable for being subjected to the pushing and pressing at this oblique angle and moves, and makes this first end leave this slot relatively, and this circumscribed memory card is inserted in this slot;
One button is held spring, connects this latch, and this button is held spring and is suitable for pushing against this latch, so that this first end extends in this slot;
A plurality of splicing ears, be disposed at this housing in, those splicing ears are suitable for contacting the terminal of this circumscribed memory card; And
One transmission interface connects those splicing ears.
5. calculating punch as claimed in claim 4, it is characterized in that: the side of described slot is provided with a latch pickup groove, this latch pickup groove has first opening and second opening, first end of described latch runs through this first opening and extends in this this slot, second end of described latch runs through this second opening, this button hold spring be positioned at this first opening and this second opening between, and the two ends that described button is held spring contact this latch pickup groove and this slot respectively.
6. calculating punch as claimed in claim 4 is characterized in that: it is a volute spring that described button is held spring.
7. calculating punch as claimed in claim 4 is characterized in that: described transmission interface is the interface of the transmission standard of a USB (universal serial bus) (USB).
8. calculating punch as claimed in claim 4 is characterized in that: described transmission interface is the interface of an IEEE1394 transmission standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420036801 CN2715240Y (en) | 2004-06-25 | 2004-06-25 | Fool-proof structure and card reader using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420036801 CN2715240Y (en) | 2004-06-25 | 2004-06-25 | Fool-proof structure and card reader using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2715240Y true CN2715240Y (en) | 2005-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420036801 Expired - Fee Related CN2715240Y (en) | 2004-06-25 | 2004-06-25 | Fool-proof structure and card reader using the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2715240Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107396585A (en) * | 2016-05-17 | 2017-11-24 | 三菱电机株式会社 | Electronic-controlled installation |
| CN110812561A (en) * | 2019-11-25 | 2020-02-21 | 中国船舶重工集团公司第七一六研究所 | Loading attachment of peritoneal dialysis pipeline consumptive material |
-
2004
- 2004-06-25 CN CN 200420036801 patent/CN2715240Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107396585A (en) * | 2016-05-17 | 2017-11-24 | 三菱电机株式会社 | Electronic-controlled installation |
| CN107396585B (en) * | 2016-05-17 | 2020-04-28 | 三菱电机株式会社 | Electronic control device |
| CN110812561A (en) * | 2019-11-25 | 2020-02-21 | 中国船舶重工集团公司第七一六研究所 | Loading attachment of peritoneal dialysis pipeline consumptive material |
| CN110812561B (en) * | 2019-11-25 | 2022-09-06 | 中国船舶重工集团公司第七一六研究所 | Loading attachment of peritoneal dialysis pipeline consumptive material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |