CN212507815U

CN212507815U - Lock structure for safe

Info

Publication number: CN212507815U
Application number: CN202020586317.9U
Authority: CN
Inventors: 李燕妮; 张灵敏
Original assignee: Qnn Safe Manufacturing Co ltd
Current assignee: Qnn Safe Manufacturing Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-02-09
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses a lock structure for safe, include: the base is movably provided with a linkage frame, and the linkage frame is provided with a lock rod; the motor is arranged on the base, and a rotating end of the motor is provided with a driving wheel; the anti-theft elastic sheet is positioned between the linkage frame and the driving wheel, and one side of the anti-theft elastic sheet is clamped on the side wall of the driving wheel in a locking state so as to prevent the linkage frame and the driving wheel from moving relatively; when the motor starts to unlock, the transmission wheel rotates to lift the anti-theft elastic sheet, so that the anti-theft elastic sheet is separated from the limiting effect of the transmission wheel, and the transmission wheel simultaneously acts on the linkage frame to drive the lock rod to move so as to realize unlocking; the anti-theft elastic sheet and the linkage frame are limited to move by the interaction force of the anti-theft elastic sheet and the driving wheel, so that the lock rod is limited to move, a good safety anti-theft effect is achieved, the structure is simple and ingenious, the protection effect is good, and the safety performance is high.

Description

Lock structure for safe

Technical Field

The utility model relates to a safe field, in particular to a lock structure for safe.

Background

Some safe boxes in the market have thinner side walls of shells, so that a person with no particular interest can knock the side wall of the corresponding position of the lock head, the lock head can move towards the unlocking direction, the box door of the safe box is opened, and the property in the safe box is stolen, so that the loss of users is caused, and therefore, the safety of the safe box lock is particularly important to be enhanced.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve at least one of the above-mentioned technical problems in the related art to a certain extent. Therefore, the utility model provides a lock structure for safe plays fine theftproof effect.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

according to the utility model discloses a lock structure for safe of first aspect embodiment includes: the base is movably provided with a linkage frame, and the linkage frame is provided with a lock rod; the motor is arranged on the base, and a rotating end of the motor is provided with a driving wheel; the anti-theft elastic sheet is positioned between the linkage frame and the driving wheel, and one side of the anti-theft elastic sheet is clamped on the side wall of the driving wheel in a locking state so as to prevent the linkage frame and the driving wheel from moving relatively; when the motor starts to unlock, the transmission wheel rotates to lift the anti-theft elastic sheet, so that the anti-theft elastic sheet is separated from the limiting effect of the transmission wheel, and the transmission wheel simultaneously acts on the linkage frame to drive the lock rod to move so as to realize unlocking.

According to the utility model discloses a lock structure for safe has following beneficial effect at least: the anti-theft elastic sheet and the linkage frame are limited to move by the interaction force of the anti-theft elastic sheet and the driving wheel, so that the lock rod is limited to move, a good safety anti-theft effect is achieved, the structure is simple and ingenious, the protection effect is good, and the safety performance is high.

According to some embodiments of the utility model, the drive wheel is equipped with a breach of bending shape, during the state of locking one side of theftproof shell fragment is located the bottom lateral wall top of breach just is used in on the vertical lateral wall of breach.

According to some embodiments of the invention, the longitudinal side wall of the notch is provided with insections.

According to some embodiments of the utility model, be equipped with the first linkage portion of upwards bending on the linkage frame, be equipped with on the drive wheel and be used in lug in the first linkage portion.

According to some embodiments of the present invention, a lock assembly is further installed on the base, the lock assembly includes a lock head and a rotating head, the anti-theft elastic sheet includes a first sheet portion and a second sheet portion, the first sheet portion acts on the transmission wheel, and the second sheet portion extends from a side edge of the first sheet portion toward the rotating head; when the lock is unlocked, the rotating head rotates to bring the anti-theft spring piece away from the driving wheel, and the rotating head acts on the linkage frame to drive the lock rod to move so as to realize unlocking.

According to some embodiments of the invention, the base and be equipped with the spring part between the linkage frame, an end that stretches out of spring part acts on the base, another end that stretches out of spring part acts on the base.

According to some embodiments of the utility model, the linkage frame is equipped with the sliding tray, be equipped with on the base with sliding tray complex guide arm.

According to some embodiments of the utility model, still install first travel switch and second travel switch on the base, first travel switch second travel switch with the motor is connected, the linkage is located first travel switch with remove between the second travel switch.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a sectional view taken along the direction a of fig. 1 and in a locked state according to the present invention;

fig. 3 is a sectional view taken along the direction a of fig. 1 and in an unlocked state;

fig. 4 is a schematic structural view of the driving wheel of the present invention;

FIG. 5 is a schematic view of the anti-theft elastic sheet of the present invention;

FIG. 6 is a schematic view of the linkage frame and the lock rod of the present invention;

fig. 7 is a schematic view of the lock-unlocked state of the backup lock assembly according to the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1, 2 and 3, a lock structure for a safe includes: the base 100 is movably provided with a linkage frame 200, and the linkage frame 200 is provided with a lock rod 210; a motor 300 installed on the base 100, wherein a driving wheel 310 is installed at a rotating end of the motor 300; the anti-theft elastic sheet 400 is positioned between the linkage frame 200 and the driving wheel 310, and one side of the anti-theft elastic sheet 400 is clamped on the side wall of the driving wheel 310 in a locking state so as to prevent the linkage frame 200 and the driving wheel 310 from moving relatively; when the motor 300 is started to unlock, the transmission wheel 310 rotates to lift the anti-theft elastic sheet 400, so that the anti-theft elastic sheet 400 is separated from the limiting function of the transmission wheel 310, and the transmission wheel 310 simultaneously acts on the linkage frame 200 to drive the lock rod 210 to move so as to realize unlocking.

The lock structure is installed on the door of the safe through the base 100, and the linkage frame 200 moves transversely on the base 100 to drive the lock rod 210 to move transversely and telescopically so as to realize unlocking and locking functions; in this embodiment, as shown in fig. 1 and 2, the anti-theft elastic sheet 400 is fixedly installed on the linkage frame 200, when in a locked state, one side of the anti-theft elastic sheet 400 is connected to the side wall of the driving wheel 310 in a clamping manner, when the motor does not work, the driving wheel 310 does not rotate, if the locking rod 210 is forced to be pushed in the unlocking direction, at this time, since one side of the anti-theft elastic sheet 400 is connected to the driving wheel 310 in a clamping manner, the movement of the anti-theft elastic sheet 400 and the linkage frame 200 is limited by the interaction force of the anti-theft elastic sheet 400 and the driving wheel 310, so that the movement of the. As shown in fig. 3, in this embodiment, during unlocking, the motor 300 is started, the transmission wheel 310 rotates, the transmission wheel 310 lifts the anti-theft elastic sheet 400, the anti-theft elastic sheet 400 is lifted above the transmission wheel 310, the anti-theft elastic sheet 400 is separated from the limiting function of the transmission wheel 310, meanwhile, the transmission wheel 310 acts on the linkage frame 200, and the linkage frame 200 moves transversely to drive the lock rod 210 to move, so as to realize the unlocking function; when locking, the anti-theft shrapnel 400 falls back and then the anti-theft shrapnel 400 is limited with the driving wheel 310 again to achieve the protection effect, the structure is simple and ingenious, the protection effect is good, and the safety performance is high.

The driving wheel 310 may be an eccentric wheel or a cam, and the driving wheel 310 functions to limit the movement of the anti-theft shrapnel 400 in the locked state, and drives the lock rod 210 to move on the linkage frame 200 to unlock.

In some embodiments of the present invention, the driving wheel 310 has a bent notch 311, and in the locked state, one side of the anti-theft elastic piece 400 is located above the bottom side wall 312 of the notch 311 and acts on the longitudinal side wall 323 of the notch 311; as shown in fig. 4, the notch 311 is bent, such as L-shaped, and when in a locked state, one side of the anti-theft shrapnel 400 abuts against the longitudinal side wall 323 of the notch 311, preferably, the anti-theft shrapnel 400 abuts against the deviated middle-lower position of the longitudinal side wall 323 of the notch 311, so that the rotation of the transmission wheel 310 when the anti-theft shrapnel 400 abuts against the transmission wheel 310 can be well avoided; when the lock is unlocked, the motor 300 is started, the driving wheel 310 rotates anticlockwise, the bottom side wall 312 of the notch 311 acts on the bottom of the anti-theft elastic sheet 400, and along with the rotation of the driving wheel 310, the bottom side wall 312 of the notch 311 lifts the anti-theft elastic sheet 400, so that the anti-theft elastic sheet 400 is separated from the longitudinal side wall 323 of the notch 311, as shown in fig. 3, the anti-theft elastic sheet 400 is located above the driving wheel 310, and the driving wheel 310 drives the linkage frame 200 to move leftwards and transversely so as to drive the lock rod 210 to move; when the lock is locked, the driving wheel 310 rotates clockwise, and the anti-theft shrapnel 400 falls back to the notch 311 to realize the anti-theft function again.

As shown in fig. 4, in some embodiments of the present invention, the longitudinal side wall 323 of the notch 311 is provided with insections; when the anti-theft shrapnel 400 is abutted against the longitudinal side wall 323, the insection is used to increase the friction between the anti-theft shrapnel 400 and the longitudinal side wall 323, the lock rod 210 is pushed in the locking state, the side edge of the anti-theft shrapnel 400 can be prevented from sliding on the longitudinal side wall 323 of the notch 311, and the anti-theft safety of the anti-theft shrapnel 400 is further improved.

In some embodiments of the present invention, the linkage frame 200 is provided with a first linkage portion 220 bent upward, and the driving wheel 310 is provided with a protrusion 314 acting on the first linkage portion 220; as shown in fig. 2, 3 and 4, the protrusion 314 is located on the front end plane of the transmission wheel 310, and when the motor 300 starts the transmission wheel 310 to rotate, the protrusion 314 acts on the right sidewall of the first linkage portion 220 to drive the linkage frame 200 to move leftward to achieve unlocking.

In some embodiments of the present invention, a backup lock assembly is further installed on the base 100, the backup lock assembly includes a lock head 510 and a rotation head 520, the anti-theft shrapnel 400 includes a first piece 410 and a second piece 420, the first piece 410 acts on the driving wheel 310, and the second piece 420 extends from a side of the first piece 410 toward the rotation head 520; when the lock is unlocked, the rotating head 520 rotates to bring the anti-theft elastic sheet 400 away from the transmission wheel 310, and the rotating head 520 acts on the linkage frame 200 to drive the lock rod 210 to move, so that the lock is unlocked. As shown in fig. 1 and 7, the lock head 510 is used for inserting a key, the lock head 510 drives the rotating head 520 to rotate, in this embodiment, the rotating head 520 is located below the second piece portion 420, the second piece portion 420 extends from the first piece portion 410 and inclines upward, the rotating head 520 is provided with a convex pillar 521 protruding upward, the convex pillar 521 is located below the second piece portion 420 and leaves the second piece portion 420 in a locking state, and one side of the link frame 200 close to the standby lock assembly is provided with a second link portion 230 bending upward; when using to be equipped with the lock subassembly and unblanking, rotor 520 rotates towards first piece portion 410 orientation anticlockwise, projection 521 will butt and slide on the lower terminal surface of second piece portion 420, projection 521 slides to first piece portion 410 below, in-process theftproof shell fragment 400 receives the ascending power of projection 521 to upwards lift, thereby drive first piece portion 410 upwards to rise to being higher than drive wheel 310, thereby make first piece portion 410 break away from drive wheel 310, rotor 520 continues to rotate to the right side of butt at the second linkage portion 230 of linkage frame 200, thereby it makes locking lever 210 remove to promote linkage frame 200 to remove left and realizes unblanking, can utilize to be equipped with the lock subassembly to unblank when motor 300 became invalid.

In some embodiments of the present invention, a spring element 600 is disposed between the base 100 and the linkage frame 200, one extending end of the spring element 600 acts on the base 100, and the other extending end of the spring element 600 acts on the base 100; as shown in fig. 1, the spring element 600 is installed on the base 100, the right side of the spring element 600 extends to abut against the sidewall of the linkage frame 200, the left side of the spring element 600 extends to abut against the sidewall of the base 100, during unlocking, the linkage frame 200 moves horizontally leftward relative to the base 100, at this time, the two extending ends of the spring element 600 are folded in the opposite directions due to compression elastic deformation, during locking, the transmission wheel 310 or the rotating head 520 leave the linkage frame 200, at this time, the linkage frame 200 loses the acting force of the transmission wheel 310 or the rotating head 520, the spring element 600 elastically resets, the two extending ends of the spring are opened relatively, thereby driving the linkage frame 200 to move horizontally rightward relative to the base 100, and thus the locking function is achieved.

In some embodiments of the present invention, the linkage frame 200 is provided with a sliding groove 240, and the base 100 is provided with a guide rod 110 engaged with the sliding groove 240; as shown in fig. 2 and 3, the sliding groove 240 of the link frame 200 is transversely disposed, the guide bar 110 is inserted into the sliding groove 240, and the link frame 200 is guided when being transversely moved by the engagement of the sliding groove 240 and the guide bar 110.

In some embodiments of the present invention, a first travel switch 710 and a second travel switch 720 are further installed on the base 100, the first travel switch 710 and the second travel switch 720 are connected to the motor 300, and the linkage frame 200 moves between the first travel switch 710 and the second travel switch 720; as shown in fig. 1, the lateral movement stroke of the linkage frame 200 is defined by the first and

second stroke switches

710 and 720, thereby controlling the forward and reverse rotation strokes of the driving wheel 310 of the motor 300.

In the description herein, references to the description of a particular embodiment or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A lock construction for a safe, comprising:

the device comprises a base (100), a linkage frame (200) is movably arranged on the base (100), and a lock rod (210) is arranged on the linkage frame (200);

the motor (300) is arranged on the base (100), and a rotating end of the motor (300) is provided with a driving wheel (310);

the anti-theft elastic sheet (400) is positioned between the linkage frame (200) and the driving wheel (310), and one side of the anti-theft elastic sheet (400) is clamped on the side wall of the driving wheel (310) in a locking state so as to prevent the linkage frame (200) and the driving wheel (310) from moving relatively;

when the motor (300) starts unlocking, the transmission wheel (310) rotates to lift the anti-theft elastic sheet (400), so that the anti-theft elastic sheet (400) is separated from the limiting effect of the transmission wheel (310), and the transmission wheel (310) acts on the linkage frame (200) at the same time to drive the lock rod (210) to move so as to realize unlocking.

2. The lock construction for a safe of claim 1, wherein: the transmission wheel (310) is provided with a bent notch (311), and one side of the anti-theft elastic sheet (400) is positioned above the bottom side wall (312) of the notch (311) and acts on the longitudinal side wall (323) of the notch (311) in a locking state.

3. The lock construction for a safe of claim 2, wherein: the longitudinal side wall (323) of the notch (311) is provided with insections.

4. The lock structure for a safe according to claim 1 or 2, wherein: the linkage frame (200) is provided with a first linkage part (220) which is bent upwards, and the driving wheel (310) is provided with a lug (314) which acts on the first linkage part (220).

5. The lock construction for a safe of claim 1, wherein: a lock assembly is further mounted on the base (100), the lock assembly comprises a lock head (510) and a rotating head (520), the anti-theft shrapnel (400) comprises a first sheet part (410) and a second sheet part (420), the first sheet part (410) acts on the transmission wheel (310), and the second sheet part (420) extends from the side edge of the first sheet part (410) towards the rotating head (520); when the lock is unlocked, the rotating head (520) rotates to bring the anti-theft elastic sheet (400) away from the driving wheel (310), and the rotating head (520) acts on the linkage frame (200) to drive the lock rod (210) to move so as to realize unlocking.

6. The lock structure for a safe according to claim 1, 2 or 5, wherein: a spring piece (600) is arranged between the base (100) and the linkage frame (200), one extending end of the spring piece (600) acts on the base (100), and the other extending end of the spring piece (600) acts on the base (100).

7. The lock construction for a safe of claim 1, wherein: the linkage frame (200) is provided with a sliding groove (240), and the base (100) is provided with a guide rod (110) matched with the sliding groove (240).

8. The lock construction for a safe of claim 1, wherein: the base (100) is further provided with a first travel switch (710) and a second travel switch (720), the first travel switch (710) and the second travel switch (720) are connected with the motor (300), and the linkage frame (200) is located between the first travel switch (710) and the second travel switch (720) to move.