A kind of digital card
Technical field
The utility model relates to a kind of Storage Media, refers to a kind of digital card especially.
Background technology
Digital card, or claim smart card, memory card, be Storage Media of new generation at present, have characteristics such as volume is small and exquisite, storage capacity is high, transmission speed is fast, be applicable to multimedia data storage, transmission especially.
General digital card structure; see also Fig. 1 and Figure 1A; digital card 10 has housing 11; be provided with several conducting sheets 12 in a side of housing 11 front ends; read and write by mistake for avoiding the digital card data; therefore in housing 11 sides one plastic material switch plate 20 is set; barb 14 hooks that this switch plate 20 is had by the groove 13 of its grab that has 21 and housing 11 lateral margins; switch plate 20 can move on the chute in the groove 13 15; calculating punch can be detected writing or the write-protect state of digital card 10 by the protuberance 22 of switch plate 20.
But the shortcoming of aforementioned conventional digital card is:
One, conducting sheet 12 is the single face setting, can't adapt to a large amount of signal transmission, causes digital card efficient to improve.
Two, switch plate 20 is a plastic material, weares and teares easily, gets loose after long-term the use, causes the calculating punch erroneous judgement.
The utility model content
Fundamental purpose of the present utility model is to provide a kind of digital card, its can improve transfer efficiency and digital card is switched can write or write-protected action more accurate.
To achieve these goals, technical solution of the present utility model is: a kind of digital card, have a digital card body, and the two-sided conducting sheet that is equipped with of body wherein, the conducting sheet is communicated with the digital card circuit that is arranged at body interior, and this body has electronic switch.
Aforesaid a kind of digital card, the wherein two-sided conducting sheet that is crisscross arranged that is provided with of body.
An aforesaid digital card, wherein switch is one to be the metal cap body of " ㄇ " type, the groove that bodies top is provided with ccontaining switch and provides switch to move up and down, the switch inboard is provided with grab, and inside grooves is provided with conducting strip.
Aforesaid a kind of digital card, wherein the groove of body is provided with protuberance at the grab place of hooking together that switch is provided.
Aforesaid a kind of digital card, wherein switch is one to be the metal cap body of " ㄇ " type, bodies top is provided with ccontaining this switch and the groove of switch left and right sides slippage is provided.
Aforesaid a kind of digital card, wherein body is provided with the groove that cooperates the calculating punch drawing-out mechanism.
Aforesaid a kind of digital card, wherein body has flap, and flap is arranged at one jiao of body edges, and the connecting portion by this body of cutting sth. askew between flap and the body interconnects.
Aforesaid a kind of digital card, wherein bodies top is provided with groove, is provided with in the groove to be convenient to the raised line that the user grasps digital card.
After adopting said structure, the utlity model has following advantage:
One, the conducting sheet is two-sided setting, by this design, can strengthen the conduction surface of digital card, thereby improves the signal conduction efficiency of digital card.
Two, on the body electronic switch is set, by the electronic type change-over switch digital card is switched can write or write-protected action more accurate.
Description of drawings
Fig. 1 is known digital card schematic appearance;
Figure 1A is the A-A cut-open view of Fig. 1;
Fig. 2 A is the front stereo appearance figure of the utility model preferred embodiment;
Fig. 2 B is the reverse side stereo appearance figure of the utility model preferred embodiment;
Fig. 3 A is the stereoscopic figure of another preferred embodiment of the utility model;
Fig. 3 B is the back side exploded perspective view of Fig. 3 A embodiment;
Fig. 4 is the front view of Fig. 3;
Fig. 4 A is the A-A cut-open view of Fig. 4;
Fig. 4 B is the B-B cut-open view of Fig. 4;
Fig. 5 A is the front stereo appearance figure of the another preferred embodiment of the utility model;
Fig. 5 B is the reverse side stereo appearance figure of the another preferred embodiment of the utility model.
Embodiment
See also Fig. 2 A and Fig. 2 B, be a kind of embodiment of a kind of digital card of the utility model, digital card 30 has body 31, the tow sides of body 31 are respectively equipped with conducting sheet 32a, 32b, conducting sheet 32a, 32b are communicated with the digital card circuit that is arranged at body 31 inside, and the position of conducting sheet 32a and conducting sheet 32b can be crisscross arranged, by conducting sheet 32a, the 32b of this two sides setting, can strengthen the conduction surface of digital card 30, therefore can improve the signal conduction efficiency of digital card 30.
Be respectively equipped with recess 34 on the tow sides of body 31,35, for being sticked label or specifications, body 31 tops are provided with groove 33, be provided with raised line 331 in the groove 33, groove 33 is convenient to the user with raised line 331 and is grasped digital card 30, body 31 has flap 36, flap 36 is arranged at one jiao of the bottom edge of body 31, connecting portion 361 by these body 31 about 45 degree of cutting sth. askew between flap 36 and the body 31 interconnects, when digital card 30 is dispatched from the factory, flap 36 connects body 31, make digital card 30 present a complete rectangle, be applicable to the calculating punch of ccontaining rectangle specification digital card,, can make digital card 30 be applicable to general general digital card contraposition shape if flap 36 is fractureed by connecting portion 361 places.
See also Fig. 3 A and Fig. 3 B, be another embodiment of a kind of digital card of the utility model, digital card 130 has body 131, the tow sides of body 131 are respectively equipped with conducting sheet 132a, 132b, conducting sheet 132a, 132b are communicated with the digital card circuit that is arranged at body 131 inside, and the position of conducting sheet 132a and conducting sheet 132b can be crisscross arranged, by conducting sheet 132a, the 132b of this two sides setting, can strengthen the conduction surface of digital card 130, therefore can improve the signal conduction efficiency of digital card 130.
In addition, be respectively equipped with recess 134 on the tow sides of body 131,135, for being sticked label or specifications, body 131 has flap 136, flap 136 is arranged at one jiao of the bottom edge of body 131, connecting portion 1361 by these body 131 about 45 degree of cutting sth. askew between flap 136 and the body 131 interconnects, when digital card 130 is dispatched from the factory, flap 136 is connected in body 131, make digital card 130 present a complete rectangle, applicable to the calculating punch of ccontaining rectangle specification digital card,, can make digital card 130 be applicable to general general digital card contraposition shape if flap 136 is fractureed by connecting portion 1361 places.
See also Fig. 3 B and Fig. 4, body 131 tops are provided with electronic switch 40, this switch 40 is one to be the metal cap body of " ㄇ ", switch 40 inboards are provided with grab 41, body 131 tops be provided with can ccontaining switch 40 groove 137, grab 41 placements of groove 137 relative switches 40 have one can ccontaining this grab 41 recess 1371, switch 40 is placed in the groove 137 (shown in Fig. 4 A), grab 41 is embedded at recess 1371, grab 41 can be done in recess 1371 towards body 131 or moving away from body 131, can adjust the position of this switch 40, in recess 1371, establish protuberance 1372, grab 41 location were used when protuberance 1372 provided switch 40 to switch, and avoided switch 40 any slippages; Appropriate location is provided with conducting strip 138 in recess 1371; when propelling movement switch 40 contacts with this conducting strip 138; can form short circuit; make digital card 130 be in the write-protect state, when switch 40 is pulled away from this conducting strip 138, can make circuit breaker; make digital card 130 recover erasable state (shown in Fig. 4 B); at the suitable convex-concave surface 42 of switch 40 outer setting, as shown be several horizontal stripes, the friction force of user's operating switch 40 is provided.
See also Fig. 5 A and Fig. 5 B again, this embodiment presents another electronic switch 140, switch 140 is arranged at the top of digital card 230, digital card 230 has body 231, the tow sides of body 231 are respectively equipped with conducting sheet 232a, 232b, conducting sheet 232a, 232b are communicated with the digital card circuit that is arranged at body 231 inside, the position of conducting sheet 232a and conducting sheet 232b can be crisscross arranged, conducting sheet 232a, 232b by this two sides setting, can strengthen the conduction surface of digital card 230, therefore can improve the signal conduction efficiency of digital card 230.
The tow sides of body 231 are respectively equipped with recess 234,235, for being sticked label or specifications, body 231 has flap 236, flap 236 is arranged at one jiao of the bottom edge of body 231, connecting portion 2361 by these body 231 about 45 degree of cutting sth. askew between flap 236 and the body 231 interconnects, when digital card 230 is dispatched from the factory, flap 236 is connected in body 231, make digital card 230 present a complete rectangle, calculating punch applicable to ccontaining rectangle specification digital card, if flap 236 is fractureed by connecting portion 2361 places, can make digital card 230 be applicable to general general digital card contraposition shape.
In the present embodiment; switch 140 is one to be the metal cap body of " ㄇ " type; body 231 tops be provided with one can ccontaining this switch 140 groove 237; switch 140 can slippage in groove 237; difference by switch 140 positions; formation is to the short circuit of digital card circuit or open circuit; switch whereby that digital card 230 can be write or the write-protect state; embodiment shown in its operating principle and Fig. 4 B is similar; so do not described in detail; switch 140 outsides can be provided with suitable convex-concave surface 142; the friction force of user's operating switch 140 is provided, is provided with groove 238, be used for cooperating the drawing-out mechanism of calculating punch at body 231 appropriate locations; reduce the speed that digital card 230 withdraws from calculating punch, this known techniques does not describe in detail.
In sum; the two-sided conducting sheet that is equipped with of the utility model body, and this body has the electronic type change-over switch, by the conducting sheet of its two-sided setting; can improve transfer efficiency, by its electronic type change-over switch digital card is switched can write or write-protected action more accurate.