CN210222756U

CN210222756U - Memory with rotary wheel puzzle lock

Info

Publication number: CN210222756U
Application number: CN201921483027.5U
Authority: CN
Inventors: Lei Chen; 陈磊
Original assignee: Shenzhen Fanxiang Information Technology Co Ltd
Current assignee: Shenzhen Fanxiang Information Technology Co Ltd
Priority date: 2019-09-07
Filing date: 2019-09-07
Publication date: 2020-03-31
Anticipated expiration: 2029-09-07

Abstract

The utility model discloses a memory with runner trick lock, including shell and the data interface that holds in the shell and can stretch out and draw back, the data interface keeps away from one side in the external world and is connected with locking device, locking device includes first rotation axis, the second rotation axis that is parallel to each other and the locking axle with data interface rigid coupling, be fixed with the code gear on the first rotation axis, be provided with the through-hole on the shell, the code gear imbeds in the through-hole, be fixed with the positioning gear with code gear intermeshing on the second rotation axis, be provided with the location breach on the positioning gear, be provided with the location lug with location breach looks adaptation on the locking axle; the code gear is rotated to drive the positioning gear to rotate, and when the positioning notch rotates to the position of the positioning lug, the data interface is pulled to unlock; the data interface is locked by using the mechanical locking structure, and the data interface locking device has the advantages of low cost, good confidentiality and capability of remotely permitting other people to use.

Description

Memory with rotary wheel puzzle lock

Technical Field

The utility model relates to a memory especially relates to a memory with runner trick lock.

Background

The USB flash disk (memory) is a micro high-capacity mobile memory which uses a USB interface and does not need a physical driver, and is connected with a computer through the USB interface to realize plug and play;

at present, along with the development of life intellectualization, the usage rate of the U disk is higher and higher, a plurality of user U disks can store a plurality of personal privacy files and company confidential files, if the U disk is lost, data leakage is easily caused, and serious consequences are caused, therefore, in order to further protect the information security of users, electronic control locks such as fingerprint locks and iris locks are added to some existing U disks, although the data of the U disk can be protected from being leaked, the cost is high, power consumption is required all the time, and for the fingerprint locks, the user fingerprints are easily stained on the U disk used by the user, and thieves can easily copy the fingerprints to steal the data, so the loss of the user cannot be paid; moreover, if other people borrow the U disk, the U disk is very inconvenient and needs to be opened by the user, and if the user is on a business trip and company colleagues need to borrow the U disk, the U disk is difficult to realize, and the user can restrict the foot; therefore, a USB flash disk is urgently needed to solve the problems that the existing encryption USB flash disk is high in cost and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists in the above-mentioned technique, the utility model provides a memory with runner trick lock.

In order to achieve the above object, the utility model provides a following technical scheme:

a memory with a rotary wheel coded lock comprises a shell and a data interface which is contained in the shell and can stretch out and draw back, wherein one side of the data interface, which is far away from the outside, is connected with a locking device, the locking device comprises a first rotating shaft, a second rotating shaft and a locking shaft, the first rotating shaft and the second rotating shaft are parallel to each other, the locking shaft is fixedly connected with the data interface, a coded gear is fixed on the first rotating shaft, a through hole is formed in the shell, the coded gear is embedded into the through hole, a positioning gear which is meshed with the coded gear is fixed on the second rotating shaft, a positioning notch is formed in the positioning gear, and a positioning lug which;

the code gear is rotated to drive the positioning gear to rotate, and when the positioning notch rotates to the position of the positioning lug, the data interface is pulled to unlock.

The shell is provided with a pressing part, one end of the second rotating shaft is connected with the pressing part, and the other end of the second rotating shaft is provided with a cavity for the second rotating shaft to extend and move.

The second rotating shaft is provided with a convex part, one end of the pressing spring abuts against the convex part, and the other end of the pressing spring abuts against the shell.

The password gear comprises a password wheel and a first gear which rotate coaxially and have the same angular speed, the diameter of the first gear is smaller than that of the password wheel, the positioning gear comprises a positioning wheel and a second gear which rotate coaxially and have the same angular speed, the diameter of the second gear is smaller than that of the positioning wheel, and the second gear is meshed with the first gear.

The outer ring surface of the password wheel is provided with a plurality of strip-shaped grooves, the shell is provided with a first movable contact which is telescopic and used for fixing the rotating position of the password wheel, and the movable contact is matched with the strip-shaped grooves.

Wherein, the bar recess is 10, and then password wheel forms 10 areas that are used for portraying the password mark.

The length of the positioning lug is not less than the telescopic distance of the data interface.

The number of the code gears, the number of the positioning gears and the number of the positioning lugs are the same, and the number of the positioning lugs is 3.

The device comprises a pushing device for pushing the data interface to do telescopic motion, and the pushing device is fixedly connected with the data interface.

The pushing device is provided with a second movable contact which is telescopic and used for fixing the data interface extending out of the shell, and the shell is provided with a fixing groove matched with the second movable contact.

The utility model has the advantages that: compared with the prior art, the utility model discloses a data interface that includes shell and holding in the shell and can stretch out and draw back, the data interface keeps away from the external one side and is connected with locking device, locking device includes first rotation axis, the second rotation axis that is parallel to each other and the locking axle with data interface rigid coupling, be fixed with the code gear on the first rotation axis, be provided with the through-hole on the shell, the code gear imbeds in the through-hole, be fixed with the positioning gear with code gear intermeshing on the second rotation axis, be provided with the location breach on the positioning gear, be provided with the location lug with location breach looks adaptation on the locking axle; the code gear is rotated to drive the positioning gear to rotate, and when the positioning notch rotates to the position of the positioning lug, the data interface is pulled to unlock; when not using data interface, prevent that other people that do not pass user's permission from using data interface lock in the shell, when needs use data interface, only need to rotate the password gear to the corresponding position can release data interface, if need permit other people to use equally, only need tell other people with the password that the corresponding position corresponds can, utilize mechanical locking structure to lock data interface, have with low costs, the security is good and can the long-range advantage of permitting other people to use.

Drawings

Fig. 1 is an overall schematic view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is an internal structural view of the present invention;

fig. 4 is a first angular schematic view of the locking device of the present invention;

fig. 5 is a second angle schematic view of the locking device of the present invention;

fig. 6 is a schematic view of a second rotating shaft structure of the present invention;

fig. 7 is a schematic structural view of the code gear of the present invention;

fig. 8 is a schematic structural view of the positioning gear of the present invention;

fig. 9 is a schematic view of the structure of the locking shaft of the present invention.

Description of the main elements

1. Housing 2, data interface

3. Locking device 4 and pushing device

11. Pressing part 31 and code gear

32. Positioning gear 33, first rotation shaft

34. Second rotation shaft 35, lock shaft

311. Password wheel 312, first gear

321. Positioning wheel 322 and second gear

341. Projection 342, pressing spring

351. Positioning bump 3111 and strip-shaped groove

3211. And positioning the notch.

Detailed Description

In order to more clearly illustrate the technical solutions in the present technology, the drawings used in the description of the embodiments or the prior art will be described below.

Referring to fig. 1, the embodiment provides a memory with a wheel combination lock, which includes a housing and a data interface that is accommodated in the housing and can be extended and retracted, wherein one side of the data interface, which is away from the outside, is connected with a locking device, the locking device includes a first rotating shaft, a second rotating shaft, and a locking shaft that is fixedly connected to the data interface, the first rotating shaft is fixed with a combination gear, the housing is provided with a through hole, the combination gear is embedded into the through hole, the second rotating shaft is fixed with a positioning gear that is engaged with the combination gear, the positioning gear is provided with a positioning notch, and the locking shaft is provided with a positioning bump that is matched with the positioning notch; the password gear is rotated to drive the positioning gear to rotate, the data interface can be pulled to unlock only when the positioning notch rotates to the position of the positioning lug, the second rotating shaft can be pressed before the data interface is pulled, the positioning gear is further far away from the password gear, and a new password can be set by shifting the password gear; when not using data interface, prevent that other people that do not pass user's permission from using data interface lock in the shell, when needs use data interface, only need to rotate the password gear to the corresponding position can release data interface, if need permit other people to use equally, only need tell other people with the password that the corresponding position corresponds can, utilize mechanical locking structure to lock data interface, have with low costs, the security is good and can the long-range advantage of permitting other people to use.

The shell of the embodiment is provided with a pressing part, one end of the second rotating shaft is connected with the pressing part, the other end of the second rotating shaft is provided with a cavity for the second rotating shaft to extend, when a password is correctly input by a user, the user can press the pressing part to push the second rotating shaft to move towards the cavity, and then the positioning gear on the second rotating shaft is far away from the password gear and is separated from a mutual meshed state, at the moment, the password gear rotates without driving the positioning gear to rotate, so that the password gear can be shifted to another new position, then the second rotating shaft resets, the positioning gear continues to be meshed with the password gear, and therefore the new position is a new password after being reset; this embodiment is still including pressing the spring, is provided with the bulge on the second rotation axis, and the one end of pressing the spring supports holds the bulge, the other end supports holds the shell, and when external force pressed the second rotation axis, the bulge compression pressed the spring, loosens after rotating the password wheel and presses the splenium, and the spring resets this moment and promotes the bulge and drive the second rotation axis normal position that restores to the throne, can realize revising original password under the correct prerequisite of password input.

The password gear of the embodiment comprises a password wheel and a first gear which coaxially rotate and have the same angular velocity, the diameter of the first gear is smaller than that of the password wheel, the positioning gear comprises a positioning wheel and a second gear which coaxially rotate and have the same angular velocity, the diameter of the second gear is smaller than that of the positioning wheel, the second gear is meshed with the first gear, the password wheel is connected with a first rotating shaft through a bearing, the positioning gear is also connected with a second rotating shaft through a bearing, the diameter of the first gear is smaller than that of the password wheel, the diameter of the second gear is smaller than that of the positioning wheel, the outer ring surface of the password wheel is leaked outside a shell, a finger of a user can stir the password wheel to rotate and drive the first gear to rotate, so as to drive the second gear to rotate, meanwhile, the positioning wheel rotates, if the positioning notch is not aligned with the positioning lug, the positioning lug and the positioning wheel abut against each other and block the transverse movement of the positioning wheel, only when, can promote the locking axle motion and fix a position the lug simultaneously and enter into in the location breach and restrict the locating wheel rotatory, can promote the locking axle and then release data interface this moment, can use data interface and can not rotate the password wheel relatively fixed with the locating wheel this moment, can prevent to be changed the password by the mistake when using.

The outer ring surface of the password wheel of the embodiment is provided with a plurality of strip-shaped grooves, the shell is provided with a first movable contact which can stretch and is used for fixing the rotating position of the password wheel, and the movable contact is matched with the strip-shaped grooves; the first movable contact is similar to a metal contact on an umbrella contraction rod, a spring is arranged below the first movable contact, the strip-shaped groove moves along with the rotation of the password wheel, the first movable contact compresses the spring during movement, when the strip-shaped groove moves to the first movable contact, the spring pushes the first movable contact out into the strip-shaped groove, a user has obvious hand feeling and can receive the sound of the first contact impacting the groove, if the password wheel is continuously stirred, the first movable contact is pushed up and the spring is compressed, and the password wheel can be stirred until the password wheel rotates to a password opening position; the number of the strip-shaped grooves is 10, and then 10 regions for depicting the password marks are formed by the password wheels; the number of the first gear is 10, the number of the first gear is just corresponding to 10 password areas, the first gear and the second gear are far away from each other when the password is reset, and the first gear and the password areas are arranged correspondingly, so that the situation that the first gear and the first gear are staggered and are difficult to return to a meshing state is avoided.

The length of the positioning bump of the embodiment is not less than the telescopic distance of the data interface; if the length of the positioning lug is smaller than that of the data interface, when the data interface is completely extended out, the positioning gear can rotate, and the corresponding password gear can also rotate, so that the condition that the password is modified due to mistaken dialing is easily caused; the password gear of this embodiment, the quantity of positioning gear and location lug is the same, and the quantity is 3, it is 10 if the password region on the password wheel, it is possible to set up 1000 total passwords of 3 password wheels, and it only is possible to set up 10 kinds of passwords of 1 password wheel, it also only is 100 kinds of possibilities to set up 2 password wheels, it is too simple to crack the method, it is short consuming time to crack, and it also needs several hours probably to try out all passwords to set up 3 password wheels, can also set up more password gears according to the degree of difficulty of keeping secret, but it can make the memory structure longer to set up more password gears, it is comparatively reasonable to set up 3 password gears consequently.

The data interface expansion device comprises a pushing device for pushing the data interface to do telescopic motion, wherein the pushing device is fixedly connected with the data interface, a pushing end of the pushing device is arranged on the outer side of a main shell, and a sliding groove for the pushing device to move is further formed in the main shell; the pushing device of the embodiment is provided with a second movable contact which is telescopic and used for fixing the data interface extending out of the shell, and the shell is provided with a fixed groove matched with the second movable contact; the inner side of the second movable contact is provided with a compression spring, only when the data interface is pushed to a fixed position, the second movable contact can be pushed into the fixed groove under the action of the spring, and meanwhile, if the data interface is pushed forcibly, the second movable contact retracts and compresses the spring.

In embodiment 1, the number 0-9 is used as the password, and 3 password wheels are provided, so that the number of the passwords is 000, and the total number of the passwords is 1000, and meanwhile, the initial password is 000, and the data interface is in a contraction state, when a user needs to modify the password in use, the password wheels are firstly dialed to the position of the initial password 000, at the moment, the positioning bump is positioned at one side of the positioning notch, the pressing part on the shell is pressed, the second rotating shaft is translated to drive the positioning gear to move, the positioning gear is separated from the meshing state with the password gear, at the moment, the password wheels are rotated to rotate each password gear to a new number position, the pressing part is canceled, and the spring pushes the positioning gear to reset and mesh with the password gear, so that password resetting is completed; if a user wants to use the data interface of the memory, the password gear is firstly required to be rotated to the unlocking position, the positioning notch is matched with the positioning boss at the moment, then the pushing device is pushed, the data interface is further driven to extend out of the shell, meanwhile, the locking shaft fixedly connected with the shell and the data interface move in the same direction, and then the positioning boss enters the positioning notch, so that the use of the data interface is realized.

The utility model has the advantages that:

(1) the data interface of the memory is locked by using the mechanical locking structure, so that the method has the advantages of good confidentiality and remote permission for others;

(2) before the data interface is pulled, the second rotating shaft can be pressed, so that the gear is positioned to be far away from the password gear, and a new password can be set by shifting the password gear;

(3) the mechanical structure is simple, and the cost is lower.

The above disclosure is only one or several specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. A memory with a rotary wheel coded lock is characterized by comprising a shell and a data interface which is accommodated in the shell and can stretch out and draw back, wherein one side of the data interface, which is far away from the outside, is connected with a locking device, the locking device comprises a first rotating shaft, a second rotating shaft and a locking shaft, the first rotating shaft and the second rotating shaft are parallel to each other, the locking shaft is fixedly connected with the data interface, a coded gear is fixed on the first rotating shaft, a through hole is formed in the shell, the coded gear is embedded into the through hole, a positioning gear which is meshed with the coded gear is fixed on the second rotating shaft, a positioning notch is formed in the positioning gear, and a positioning lug which is matched with the positioning notch is arranged on the locking shaft;

and rotating the password gear to drive the positioning gear to rotate, and pulling the data interface to unlock when the positioning notch rotates to the position of the positioning lug.

2. The memory with a combination lock of turning wheels as claimed in claim 1, wherein the housing is provided with a pressing portion, one end of the second rotating shaft is connected with the pressing portion, and the other end is provided with a cavity for extending movement of the second rotating shaft.

3. The memory with the combination wheel lock of claim 2, further comprising a pressing spring, wherein the second rotating shaft is provided with a protrusion, and one end of the pressing spring abuts against the protrusion and the other end abuts against the housing.

4. The memory with a wheel combination lock of claim 1, wherein the combination gear comprises a combination wheel and a first gear which rotate coaxially and have the same angular velocity, the first gear has a smaller diameter than the combination wheel, the positioning gear comprises a positioning wheel and a second gear which rotate coaxially and have the same angular velocity, the second gear has a smaller diameter than the positioning wheel, and the second gear is meshed with the first gear.

5. The memory with the combination lock of the turning wheel as claimed in claim 4, wherein the outer circumferential surface of the combination wheel is provided with a plurality of bar-shaped grooves, the housing is provided with a first movable contact which is retractable and used for fixing the rotating position of the combination wheel, and the movable contact is matched with the bar-shaped grooves.

6. The memory of claim 5 wherein the number of grooves is 10 and the combination wheel defines 10 areas for marking the combination indicia.

7. The memory with a wheel combination lock of claim 1, wherein the length of the positioning protrusion is not less than the telescopic distance of the data interface.

8. The memory with wheel combination lock according to any of claims 1-7, wherein the number of the combination gears, the positioning gears and the positioning protrusions is the same and 3.

9. The memory with wheel code lock as claimed in claim 1, comprising a pushing device for pushing the data interface to move telescopically, wherein the pushing device is fixed to the data interface.

10. The memory with wheel code lock as claimed in claim 9, wherein the pushing device is provided with a second movable contact which is retractable and used for fixing the data interface after extending out of the housing, and the housing is provided with a fixing groove which is matched with the second movable contact.