CN203645946U

CN203645946U - USB flash disk with cover

Info

Publication number: CN203645946U
Application number: CN201420019568.3U
Authority: CN
Inventors: 米春香
Original assignee: Yongchuan Hospital of Chongqing Medical University
Current assignee: Yongchuan Hospital of Chongqing Medical University
Priority date: 2014-01-13
Filing date: 2014-01-13
Publication date: 2014-06-11
Anticipated expiration: 2024-01-13

Abstract

The utility model discloses a USB flash disk with a cover. The USB flash disk is characterized in that the USB flash disk includes a body, a cover, a mechanical locking device and a recognition device; the cover is provided with two fixing pins; the fixing pins are respectively provided with a lock bolt hole; the mechanical locking device comprises two locking structures which are corresponding to the two fixing pins, a slide bar arranged at the inner wall of the body, and a stopping device; each of the locking structure includes a staring button, a sliding sleeve, a spring, a supporting column and a lock bolt; the two sliding sleeves are connected with each other the springs; the stopping device comprises blocking columns arranged below the sliding sleeves, a limiting block which is adjacent to the blocking columns, a screw which is in threaded connection with the limiting block and a step motor which is connected with the screw; and the recognition device comprises a fingerprint recognizer, a microprocessor connected with the fingerprint recognizer, a memory, a display screen, a wireless communication module and a driver, wherein the driver is connected with the step motor. The USB flash disk with a cover of the utility model has the advantages of improved locking performance of the cover and protection of internal data.

Description

USB flash disk with cover

Technical field

The utility model relates to a kind of USB flash disk, particularly relates to a kind of USB flash disk with cover.

Background technology

USB flash disk uses ABS plastic or metal shell conventionally, and a little printed circuit board (PCB) is contained in inside, makes flash disk size little of being put in pocket as key-ring ornament, or string is on lavaliere cord.Only have USB connector to protrude from outside containment vessel, and conventionally covered by a small lid, open small lid and just can directly insert in the USB port in PC.USB flash disk can allow water or dust infiltrate hardly, can be by scratch yet, and these such as, are serious problems at old-fashioned portable type memory device (CD, diskette sheet) etc.And the solid-state storage that USB flash disk uses design allows them can resist external force collision unintentionally.These advantages are applicable to for being carried to another ground from somewhere personal data or working document flash disk very much, for example from family to school or office, or in general need to be carried to and to access the various places of personal data.Because USB port is almost omnipresent in PC now, thereby can use flash disk everywhere.But, because the volume of USB flash disk is little, thus usually misplaced, forget about or lose.In USB flash disk, usually store user's capsule information, if once USB flash disk lose will, cause the confidential datas such as business to leak, bring great property loss.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of USB flash disk with cover, improves the locking performance of lid, thereby has realized the protection to USB flash disk inside information.

For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of USB flash disk with cover is provided, it is characterized in that, comprise body, lid, mechanical locking and recognition device, on described body, be provided with sliding tray and retention grooves, described sliding tray is at right angles communicated with retention grooves, described covering is provided with two maintenance pin, on each described maintenance pin, be provided with locking bolt hole, described mechanical locking comprises two locking mechanisms with two corresponding settings of maintenance pin, be fixed on slide bar and holdout device in inner body wall, each locking mechanism includes to slide and is arranged at releasing the button in sliding tray and retention grooves, be placed on the slip cap on slide bar, spring, be arranged at slip cap and release the button between support column and be fixedly installed on the locking bolt on support column, two slip caps of two locking mechanisms link mutually by spring, the shape in the structure of described locking bolt and locking bolt hole matches, described holdout device comprises the bumping post that is arranged at slip cap below, the guide vane end stop arranging near bumping post, the screw rod being threaded with guide vane end stop and the stepping motor being connected with screw rod, described recognition device comprises Fingerprint Identification Unit, the microprocessor being connected with Fingerprint Identification Unit, the memory being connected with microprocessor, the display screen being connected with microprocessor, the wireless communication module being connected with microprocessor and the driver being connected with microprocessor, described driver is electrically connected with stepping motor, for the running of Driving Stepping Motor.

Further, described recognition device also comprises the alarm being connected with microprocessor.

The beneficial effects of the utility model: adopt locking device by the fixing feet locking of lid, adopt the unlatching of holdout device restriction locking device simultaneously, realized two of lid and re-locked, improved the locking performance of lid.Add, adopt recognition device to carry out Electronic Control to the operation of holdout device, fingerprint recognition is identified particular person, thereby security performance is higher, add the unlatching that wireless communication module covers by long-range monitoring cell-phone monitoring in recognition device, thereby prompting owner makes counter-measure, improve security performance.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.

Fig. 1 is the structural representation of the utility model USB flash disk with cover.

Fig. 2 is internal structure schematic diagram of the present utility model.

Fig. 3 is the structural representation of Fig. 1 middle cover.

Fig. 4 is circuit diagram of the present utility model.

Embodiment

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Embodiment: as shown in Figures 1 to 4, a kind of USB flash disk with cover comprises: body 1, lid 2, mechanical locking 3 and recognition device 4.

Particularly, be provided with sliding tray 10 and retention grooves 11 on body 1, sliding tray 10 is communicated with retention grooves 11, and sliding tray 10 is at right angles connected with retention grooves 11.The interior collection of body 1 is equipped with USB flash disk circuit, and USB flash disk circuit connects external devices by USB flash disk interface, and in body 1, is provided with mechanical locking container cavity, and this mechanical locking container cavity is in communication with the outside in the junction of lid 2.

On described lid 2, be provided with two maintenance pin 20, on each maintenance pin 20, be provided with locking bolt hole 21.

Described mechanical locking 3 comprises with two locking mechanisms 30 of two corresponding settings of maintenance pin 20, is fixed on slide bar 31, holdout device 32 and spring 33 on body 1 inwall.Each locking mechanism 30 includes to slide and is arranged at releasing the button 300, be placed on slip cap 301 on slide bar 31, be arranged at slip cap 301 and the support column 302 between 300 and be fixedly installed on the locking bolt 303 on support column 302 of releasing the button in sliding tray 10 and retention grooves 11.On slide bar 31 slidably, two slip caps 301 of two locking mechanisms 30 are connected by spring 33 described slip cap 301, and the shape in the structure of described locking bolt 303 and locking bolt hole 21 matches.Described holdout device 32 comprises guide vane end stop 321, the screw rod 322 being threaded with guide vane end stop 321 that is arranged at the bumping post 320 of slip cap 301 belows, arrange near bumping post 320 and the stepping motor 323 being connected with screw rod 322, and when the width of described guide vane end stop 321 and maintenance pin 20 are fixing by locking bolt 303, two slip cap 301 distances match.

Described recognition device 4 comprises Fingerprint Identification Unit 40, the microprocessor 41 being connected with Fingerprint Identification Unit 40, the memory 42 being connected with microprocessor 41, the alarm 43 being connected with microprocessor 41, the display screen 44 being connected with microprocessor 41, the wireless communication module 45 being connected with microprocessor 41 and the driver 46 that is connected with microprocessor 41.Described Fingerprint Identification Unit 40 is for inputting fingerprint to microprocessor 41; Described memory 42 deposits basic fingerprint and monitoring cell-phone number in for microprocessor 41; Described microprocessor 41 obtain Fingerprint Identification Unit 40 input fingerprint, store and call the running whether basic fingerprint in memory 42 and monitoring cell-phone number, identification input fingerprint and basic fingerprint match and control wireless communication module 45 and driver 46; Described display screen 44 is a touch-screen, for show fingerprint whether with typing fingerprint matching, show importer's personal information and input monitoring cell-phone number; Described alarm 43 sends alarm signal for identifying at microprocessor 41 when input fingerprint and basic fingerprint do not match; Described wireless communication module 45 sends wireless alert signal for identifying at microprocessor 41 when input fingerprint and basic fingerprint do not match to monitoring cell-phone, and monitoring cell-phone is received alarming short message, and prompting USB flash disk is by people's input error password; Described driver 46 is electrically connected with stepping motor 323, for the running of Driving Stepping Motor 323.RS232 and Transistor-Transistor Logic level modular converter that described Fingerprint Identification Unit 40 comprises fingerprint identification module and is connected with fingerprint identification module, described fingerprint identification module adopts OM-20 chip, described RS232 and Transistor-Transistor Logic level modular converter adopt MC1489 chip, described microprocessor 41 adopts SPCE061A chip, and described wireless communication module 45 adopts CC2500 chip.

Operation principle of the present utility model: releasing the button of two locking mechanisms 30 300 pushed to centre, make spring 33 compressed, two fixing feet 20 of lid 2 are inserted in body 1, unclamp and release the button 300, under spring 33 restoring force effects, the locking bolt 303 of locking mechanism 30 is inserted in the locking bolt hole 21 of fixing feet 20, will cover 2 and fix.While bringing into use this USB flash disk with cover, by Fingerprint Identification Unit 40 to microprocessor 41 typings bases fingerprints, microprocessor 41 receive the basic fingerprint that gathers from Fingerprint Identification Unit 40 and by basic fingerprint storage in memory 42, then, by display screen 44 to microprocessor 41 input monitoring cell-phone numbers, microprocessor 41 receives monitoring cell-phone that display screen 44 gathers number and monitoring cell-phone number is deposited in memory 42, after data set, under the effect of microprocessor 41, driver 46 Driving Stepping Motors 323 operate, screw rod 322 forwards, guide vane end stop 321 is moved between two bumping posts 320, final guide vane end stop 321 is between two bumping posts 320, the movement of two locking mechanisms of restriction, make fixing feet 20 in original stationary state.In use, if need to open and cover 2, first input fingerprint by Fingerprint Identification Unit 40 to microprocessor 41, microprocessor 41 will be inputted fingerprint and the contrast of basic fingerprint, in the time that input fingerprint and basic fingerprint do not match, under the control of microprocessor 41, display screen 44 and alarm 43 send alarm signal simultaneously, prompting user fingerprint mistake, under the control of microprocessor 41, wireless communication module 45 sends warning message to monitoring cell-phone simultaneously, and prompting owner has people's mistake in using fingerprint to start to cover 2.In the time that microprocessor 41 is judged input fingerprint and basic fingerprint and is matched, under microprocessor 41 is controlled, driver 46 Driving Stepping Motors 323 operate, screw rod 322 is reversed, guide vane end stop 321 is to moving away from bumping post 320 directions, guide vane end stop 321 departs from bumping post 320, the without hindrance thing of bumping post 320, at this moment will release the button 300 slides into retention grooves 11 from sliding tray 10, can open and cover 2.

These are only execution mode of the present utility model; not thereby limit the scope of the claims of the present invention; every equivalent structure that utilizes the utility model specification and accompanying drawing content to do; directly or indirectly be used in other relevant technical fields, all in like manner within scope of patent protection of the present utility model.

Claims

1. a USB flash disk with cover, it is characterized in that, comprise body, lid, mechanical locking and recognition device, on described body, be provided with sliding tray and retention grooves, described sliding tray is at right angles communicated with retention grooves, described covering is provided with two maintenance pin, on each described maintenance pin, be provided with locking bolt hole, described mechanical locking comprises two locking mechanisms with two corresponding settings of maintenance pin, be fixed on slide bar and holdout device in inner body wall, each locking mechanism includes to slide and is arranged at releasing the button in sliding tray and retention grooves, be placed on the slip cap on slide bar, spring, be arranged at slip cap and release the button between support column and be fixedly installed on the locking bolt on support column, two slip caps of two locking mechanisms interconnect by spring, the shape in the structure of described locking bolt and locking bolt hole matches, described holdout device comprises the bumping post that is arranged at slip cap below, the guide vane end stop arranging near bumping post, the screw rod being threaded with guide vane end stop and the stepping motor being connected with screw rod, described recognition device comprises Fingerprint Identification Unit, the microprocessor being connected with Fingerprint Identification Unit, the memory being connected with microprocessor, the display screen being connected with microprocessor, the wireless communication module being connected with microprocessor and the driver being connected with microprocessor, described driver is electrically connected with stepping motor.

2. USB flash disk with cover according to claim 1, is characterized in that, described recognition device also comprises the alarm being connected with microprocessor.