CN112482900A

CN112482900A - Be applied to auto-lock structure of tool to lock

Info

Publication number: CN112482900A
Application number: CN202011427283.XA
Authority: CN
Inventors: 林绍廉; 李议建
Original assignee: Xiamen Make Security Technology Co Ltd
Current assignee: Xiamen Make Security Technology Co Ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-03-12

Abstract

The invention discloses a self-locking structure applied to a lockset, which comprises a lock bolt, a lock bolt spring, a limiting component, a worm, a driving device and a sliding block, wherein the lock bolt spring is arranged on the lock bolt; the lock bolt spring is arranged opposite to the lock bolt and used for ejecting the lock bolt to limit the lock bolt; the limiting assembly is arranged at the axial end part of the lock bolt and is used for limiting the lock bolt to prevent retraction; the worm is vertical to the lock bolt; the driving device is used for driving the worm to rotate; the sliding block is meshed with the worm and is in contact with the limiting assembly, the sliding block is driven to move along the axis direction of the worm by the rotation of the worm, and the limiting assembly is pushed by the movement of the sliding block to release the limitation on the lock bolt. The invention limits the slide block by the cooperation of the worm and the slide block and by utilizing the self-locking principle of the worm, and further achieves the purpose of limiting the lock bolt by limiting the limiting component by the slide block, thereby forming the self-locking function in the lock, and the slide block is in a locking state as long as the driving device does not work, thereby avoiding the risk of unlocking the electronic lock by being impacted, and really realizing the anti-collision safety of the electronic lock.

Description

Be applied to auto-lock structure of tool to lock

Technical Field

The invention relates to the technical field of locks, in particular to a self-locking structure applied to a lock.

Background

Along with the improvement of the living standard of people, the safe gradually enters the family, and in order to improve the anti-theft function of the safe, various safes are developed, which can be mainly divided into the following parts according to the principle of a lock: mechanical locks, electronic locks and mechatronic composite locks.

The electronic lock mainly depends on an electronic mechanism (such as a motor) to drive a limiting block to unlock or lock the lock tongue, so that the unlocking or locking function is realized. The reset of the limiting block is usually realized by means of elastic parts such as a spring, a torsional spring and the like, under the impact of certain frequency and force, the limiting block can be separated from the locking position of the limiting block, the aim of violence unlocking is achieved, the existing safety lock body has certain probability of being unlocked after being impacted, and certain property potential safety hazards are realized.

Disclosure of Invention

The invention aims to provide a self-locking structure applied to a lock, which has a self-locking function and can avoid the risk of impact unlocking when being applied to an electronic lock.

In order to achieve the above purpose, the solution of the invention is:

a self-locking structure applied to a lockset comprises a lock bolt, a lock bolt spring, a limiting component, a worm, a driving device and a sliding block; the lock bolt is used for movably limiting a lock tongue of the lockset; the lock bolt spring is opposite to the lock bolt and used for ejecting the lock bolt to limit the lock bolt; the limiting assembly is arranged at the axial end part of the lock bolt and is used for limiting the lock bolt to prevent the lock bolt from retracting; the axial direction of the worm is vertical to the axial direction of the lock bolt; the driving device is used for driving the worm to rotate; the sliding block is meshed with the worm and is in contact with the limiting assembly, the sliding block is driven to move along the axis direction of the worm by the rotation of the worm, and the limiting assembly is pushed by the movement of the sliding block to release the limitation on the lock bolt.

The driving device is a speed reducing motor.

The sliding block is provided with a sliding connection part, the sliding connection part is matched with a thread groove of the worm, and the sliding connection part slides in the thread groove in the rotating process of the worm so as to drive the sliding block to move.

The self-locking structure applied to the lockset further comprises a buffer component, wherein the buffer component is vertically arranged on the side edge of the lock bolt and used for decomposing external impact force applied to the lock bolt; the buffer assembly comprises a buffer block and a buffer spring, and the buffer spring is used for providing elastic force to enable the buffer block to abut against the side edge of the lock bolt.

The limiting assembly comprises a first stop block, a second stop block and a third stop block; the first stop block is used for limiting the lock bolt, the second stop block is used for limiting the first stop block, the third stop block is used for limiting the second stop block, and the slide block is used for limiting the third stop block; when the driving device works, the worm drives the sliding block to move, and sequentially pushes the third stop block to relieve the limit of the second stop block, the second stop block to relieve the limit of the first stop block and the first stop block to relieve the limit of the lock bolt.

The first stop block is arranged at the end part of the lock bolt along the direction perpendicular to the lock bolt; the second stop block is arranged opposite to the first stop block along a direction perpendicular to the first stop block, the first stop block is provided with a groove, and the second stop block is inserted into the groove to limit the first stop block; the third stop block is arranged opposite to the second stop block along the direction perpendicular to the second stop block, a boss is arranged on the second stop block, and the third stop block abuts against the boss to limit the second stop block.

The limiting assembly further comprises a first spring, a second spring and a tension spring; the first spring is used for enabling the first stop block to reset to a position for limiting the lock bolt; the second spring is used for enabling the second stop block to reset to a position for limiting the first stop block; the extension spring sets up slider with between the third dog so that the third dog resets to the position of spacing second dog.

The first stop block is provided with a first convex part, the second stop block is provided with a second convex part, a step and an inclined plane are arranged on the end face of the sliding block, the first convex part is arranged opposite to the first step, the end part of the third stop block abuts against the end part of the sliding block, the second convex part is arranged opposite to the inclined plane, when the sliding block is driven by the worm to move, the sliding block firstly pushes the third stop block to move and remove the limit on the second stop block, then the inclined plane contacts the second convex part to push the second stop block to move and remove the limit on the first stop block, and finally the first step contacts the first convex part to push the first stop block to move and remove the limit on the lock plunger.

The limiting assembly comprises a fourth stop block and a third spring; the fourth stop block is arranged at the axial end part of the lock bolt and is provided with a yielding notch for yielding the lock bolt to move axially, and the third spring is used for enabling the fourth stop block to move to the position where the yielding notch is opposite to the end part of the lock bolt; the sliding block is used for limiting the fourth stop block so that the fourth stop block keeps limiting the lock bolt; when the driving device works, the worm drives the sliding block to move so as to relieve the limit of the fourth stop block, the third spring pushes the fourth stop block to move so as to relieve the limit of the lock bolt, and the lock bolt can yield the lock bolt to move so as to achieve the purpose of unlocking.

The slider is provided with a third convex part for limiting the fourth stop block, and the third convex part can push the fourth stop block to move when the slider moves.

The limiting assembly comprises a fifth stop block; the fifth stop block is arranged at the circumferential end part of the lock bolt, and the sliding block is connected with the fifth stop block; when the driving device works, the worm drives the sliding block to move, the fifth stop block and the sliding block synchronously move to relieve the limit of the lock bolt, and the lock bolt can give way to move the lock bolt so as to achieve the purpose of unlocking.

The sliding block is provided with a clamping block, the fifth stopping block is provided with a clamping groove for matching with the clamping block, and the clamping block is inserted into the clamping groove so as to realize the synchronous movement of the fifth stopping block and the sliding block.

The self-locking structure applied to the lockset further comprises a lock body, wherein the lock body comprises a first containing cavity used for assembling the lock bolt, a second containing cavity used for assembling the lock bolt, a third containing cavity used for assembling the driving device and a fourth containing cavity used for assembling the limiting component.

After the technical scheme is adopted, the worm is matched with the sliding block, the sliding block is limited by the self-locking principle of the worm, the purpose of limiting the lock bolt is achieved by limiting the limiting assembly through the sliding block, the self-locking function in the lock is formed, and the sliding block is in a locking state as long as the driving device does not work, so that the risk that the electronic lock is unlocked due to collision is avoided, and the anti-collision safety of the electronic lock is really realized.

Drawings

FIG. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is an exploded view of the first embodiment of the present invention;

FIG. 3 is a schematic diagram illustrating a locked state according to a first embodiment of the present invention;

FIG. 4 is a schematic view of the unlocked state of the first embodiment of the present invention;

FIG. 5 is a schematic diagram of a lock according to a first embodiment of the present invention;

FIG. 6 is a schematic view of the lock of the first embodiment of the present invention;

FIG. 7 is a perspective view of a second embodiment of the present invention;

FIG. 8 is an exploded view of a second embodiment of the present invention;

FIG. 9 is a structural diagram illustrating a locked state according to a second embodiment of the present invention;

FIG. 10 is a schematic view of the unlocked state of the second embodiment of the present invention;

FIG. 11 is a perspective view of a third embodiment of the present invention;

FIG. 12 is an exploded view of a third embodiment of the present invention;

FIG. 13 is a schematic diagram illustrating a locked state according to a third embodiment of the present invention;

FIG. 14 is a schematic view of the unlocked state of the third embodiment of the present invention;

the reference numbers illustrate:

a lock bolt 1; a latch spring 2; a limiting component 3; a first stopper 31; a recess 311; the first convex portion 312; a second stopper 32; a boss 321; a second convex portion 322; a third stopper 33; a first spring 34; a second spring 35; a tension spring 36; a fourth stopper 37; an abdication notch 371; a third spring 38; a fifth stopper 39; a card slot 391; a worm 4; the thread groove 41; a drive device 5; a slide block 6; a sliding contact portion 61; a step 62; a bevel 63; the third convex portion 64; a latch 65; a lock tongue 7; a lock body 8; a first cavity 81; a second receptacle 82; a third volume 83; a fourth volume 84; a fifth volume 85; a buffer assembly 9; a buffer block 91; a buffer spring 92; a travel switch 10.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.

The invention relates to a self-locking structure applied to a lockset, which comprises a lock bolt 1, a lock bolt spring 2, a limiting component 3, a worm 4, a driving device 5 and a sliding block 6.

The lock bolt 1 is used for movably limiting a lock tongue 7 of the lockset;

the lock bolt spring 2 is arranged opposite to the lock bolt 1 and used for ejecting the lock bolt 1 to limit the lock bolt 7;

the limiting assembly 3 is arranged at the axial end part of the lock bolt 1 and is used for limiting the lock bolt 1 to prevent the lock bolt from retracting;

the axial direction of the worm 4 is vertical to the axial direction of the lock bolt 1;

the driving device 5 is used for driving the worm 4 to rotate;

the sliding block 6 is meshed with the worm 4 and is in contact with the limiting component 3, the rotation of the worm 4 drives the sliding block 6 to move along the axis direction of the worm 4, and the movement of the sliding block 6 pushes the limiting component 3 to release the limiting of the lock bolt 1.

In a further refinement scheme:

the driving device 5 is a speed reducing motor, has larger output torque, further improves the safety of the self-locking structure, and is reliable, durable, space-saving and low in energy consumption.

The sliding block 6 is provided with a sliding connection part 61, the sliding connection part 61 is matched with the thread groove 41 of the worm 4, and the sliding connection part 61 slides in the thread groove 41 during the rotation of the worm 4 so as to drive the sliding block 6 to move.

The invention further comprises a lock body 8, wherein the lock body 8 comprises a first accommodating cavity 81 for assembling the bolt 7, a second accommodating cavity 82 for assembling the lock bolt 1, a third accommodating cavity 83 for assembling the driving device 5 and a fourth accommodating cavity 84 for assembling the limiting assembly 3.

The invention also comprises a buffer component 9, wherein the buffer component 9 is vertically arranged on the side edge of the lock bolt 1 and is used for decomposing external impact force applied to the lock bolt 1, so that the functions of violence-proof unlocking and buffer shock absorption are further achieved, and the limiting component 3 at the rear end and a corresponding connecting structure thereof are further protected. In this embodiment, the buffering component 9 includes a buffering block 91 and a buffering spring 92, and the buffering spring 92 is used for providing an elastic force to make the buffering block 91 abut against the side of the lock bolt 1; the lock body 8 further comprises a fifth receptacle 85 for fitting the damping assembly 9.

Referring to fig. 1 to 6, a first embodiment of the present invention is shown.

The spacing assembly 3 includes a first stopper 31, a second stopper 32 and a third stopper 33. First dog 31 is used for spacing set bar 1, second dog 32 is used for spacing first dog 31, third dog 33 is used for spacing second dog 32, slider 6 is used for spacing third dog 33, drive arrangement 5 during operation worm 4 drives slider 6 and removes, and promote third dog 33 in proper order and relieve spacing to second dog 32, promote second dog 32 and relieve spacing to first dog 31, promote first dog 31 and relieve spacing to set bar 1, set bar 1 can give way the motion of spring bolt 7 in order to reach the purpose of unblanking.

The first stopper 31 is disposed at an end of the latch 1 in a direction perpendicular to the latch 1; the second stopper 32 is arranged opposite to the first stopper 31 along a direction perpendicular to the first stopper 31, the first stopper 31 is provided with a groove 311, and the second stopper 32 is inserted into the groove 311 to limit the first stopper 31; the third stopper 33 is disposed opposite to the second stopper 32 along a direction perpendicular to the second stopper 32, the second stopper 32 is provided with a boss 321, and the third stopper 33 abuts against the boss 321 to limit the second stopper 32.

The limiting assembly 3 further comprises a first spring 34, a second spring 35 and a tension spring 36. The first spring 34 is used for resetting the first stopper 31 to the position of the limit bolt 1; the second spring 35 is used for restoring the second stopper 32 to a position for limiting the first stopper 31; a tension spring 36 is provided between the slider 6 and the third stopper 33 to return the third stopper 33 to a position where it restrains the second stopper 32.

The first stopper 31 is provided with a first convex part 312, the second stopper 32 is provided with a second convex part 322, the end surface of the slider 6 is provided with a step 62 and an inclined surface 63, the first convex part 312 is arranged opposite to the step 62, the end part of the third stopper 33 is abutted against the end part of the slider 6, the second convex part 322 is arranged opposite to the inclined surface 63, when the slider 6 is driven by the worm 4 to move, the slider 6 firstly pushes the third stopper 33 to move and release the limit on the second stopper 32, then the inclined surface 63 contacts the second convex part 322 to push the second stopper 32 to move and release the limit on the first stopper 31, and finally the step 62 contacts the first convex part 312 to push the first stopper 31 to move and release the limit on the lock plunger 1.

Referring to fig. 5 and 6, in a locked state, the slider 6 pulls the third stopper 33 by the tension spring 36 to prevent the second stopper 32 from moving rightward, the second stopper 32 keeps to the left under the action of the second spring 35, the second stopper 32 is inserted into the groove 311 of the first stopper 31 to prevent the first stopper 31 from moving downward, the first stopper 31 keeps to the upper under the action of the first spring 34 to block the lock bolt 1 from moving rightward, so that the lock cannot be unlocked; when the lock is unlocked, the worm 4 rotates, the sliding block 6 pushes the third stop block 33 to move downwards, after the limit on the second stop block 32 is cancelled, the sliding block 6 pushes the second stop block 32 to move rightwards, after the limit on the first stop block 31 is cancelled, the sliding block 6 further pushes the first stop block 31 to move downwards, finally the limit on the lock bolt 1 is cancelled, and the lock bolt 1 can move rightwards; when locking again, the worm 4 pulls the slider 6 to move upwards, first the second stop 32 is reset by the second spring 35, then the first stop 31 is reset by the first spring 34, and finally the third stop 33 is reset by the tension spring 36.

In the first embodiment, the three-layer limit relationship is sequentially realized through the linkage relationship of the first stopper 31, the second stopper 32, the third stopper 33 and the sliding block 6, and the first stopper 31 finally limits the lock bolt 1, because the first stopper 31 and the second stopper 32 are relatively vertical, under the condition that the driving device 5 does not work, the first stopper 31 and the second stopper 32 are kept static due to the limit relationship of the third stopper 33, so that the lock body 8 is ensured not to shake the first stopper 31 and the second stopper 32 to be separated from the limit position no matter which direction of impact force is received, and the possibility of violent unlocking is 0.

Referring to fig. 7 to 10, a second embodiment of the present invention is shown.

The above-mentioned spacing assembly 3 comprises a fourth stop 37 and a third spring 38. The fourth stop 37 is arranged at the axial end of the lock bolt 1 and is provided with an abdicating notch 371 for the axial movement of the lock bolt 1, and the third spring 38 is used for enabling the fourth stop 37 to move to the position where the abdicating notch 371 is opposite to the end of the lock bolt 1; the sliding block 6 is used for limiting the fourth stop 37, so that the fourth stop 37 keeps limiting the lock bolt 1; when the driving device 5 works, the worm 4 drives the sliding block 6 to move so as to release the limit of the fourth stop 37, the third spring 38 pushes the fourth stop 37 to move so as to release the limit of the lock bolt 1, and the lock bolt 1 can give way to the movement of the lock bolt 7 so as to achieve the purpose of unlocking.

The slide block 6 is provided with a third protrusion 64 for limiting the fourth stopper 37, and the third protrusion 64 can push the fourth stopper 37 to move when the slide block 6 moves.

The second embodiment further comprises a travel switch 10 which is arranged opposite to the bolt 7 of the lock and used for sensing the locking position of the bolt 7 and sending a locking signal to the driving device 5 to realize locking, so that a user can automatically lock when rotating the bolt 7, and the operation is simpler and more convenient.

Referring to fig. 9 and 10, in the locking state, the worm 4 is matched with the slider 6 to realize self-locking, and when the driving device 5 does not work, the slider 6 is locked, so that the fourth stopper 37 is locked to limit the lock bolt 1; when the lock is unlocked, the worm 4 rotates to drive the sliding block 6 to move, the third spring 38 pushes the fourth stop 37 to the direction of the sliding block 6, so that the abdicating notch 371 is aligned to the end part of the lock bolt 1, and the lock bolt 1 is inserted into the abdicating notch 371 to abdicate the movement of the lock bolt 7, thereby achieving the purpose of unlocking.

In the second embodiment, through the linkage relationship between the fourth stopper 37 and the sliding block 6, the sliding block 6 drives the fourth stopper 37 to reset to the state of limiting the lock bolt 1 during locking, and the sliding block 6 moves to give way the fourth stopper 37 during unlocking so that the giving way notch 371 is aligned with the end part of the lock bolt 1 to release the limitation on the lock bolt 1; and, realize spacing to fourth dog 37 after set bolt 1 inserts the breach of stepping down 371, even the user loosens spring bolt 7 and also need not to input the password again, all can unblank in the settlement time, and it is more convenient to use.

Referring to fig. 11 to 14, a third embodiment of the present invention is shown, which is different from the second embodiment in the specific implementation of the position limiting assembly 3.

The stop assembly 3 comprises a fifth stop 39. The fifth stop 39 is arranged at the circumferential end part of the lock bolt 1, and the slide block 6 is connected with the fifth stop 39; when the driving device 5 works, the worm 4 drives the sliding block 6 to move, the fifth stop 39 and the sliding block 6 synchronously move to release the limit of the lock bolt 1, and the lock bolt 1 can give way to the movement of the lock bolt 7 to achieve the purpose of unlocking.

The slider 6 is provided with a latch 65, the fifth latch 39 is provided with a slot 391 for the latch 65 to cooperate, and the latch 65 is inserted into the slot 391 to realize the synchronous movement of the fifth latch 39 and the slider 6.

Referring to fig. 13 and 14, in the locked state, the worm 4 is matched with the slider 6 to realize self-locking, and when the driving device 5 does not work, the slider 6 is locked, so that the position of the fifth stop 39 is locked, and the lock bolt 1 is limited; when the lock is unlocked, the worm 4 rotates to drive the sliding block 6 to move, the sliding block 6 drives the fifth stop dog 39 to move, and therefore the limit of the lock bolt 1 is relieved, the lock bolt 7 is abducted, and the purpose of unlocking is achieved.

In the third embodiment, through the linkage relation between the fifth stop 39 and the slide block 6, the slide block 6 drives the fifth stop 9 to synchronously move so as to limit or unlock the movement of the lock bolt; through the split design of the fifth stop block 39 and the slide block 6, the force can be prevented from being directly transmitted to the worm 4 when the lock body is impacted, and the protection effect is achieved; the fifth stop dog 9 is directly driven by the slide block 6 to move, the linkage structure is few, the power consumption is low, and the lock response is rapid.

Through the scheme, the worm 4 is matched with the sliding block 6, the sliding block 6 is limited by the self-locking principle of the worm 4, the purpose of limiting the lock bolt 1 is achieved by limiting the limiting component 3 through the sliding block 6, the self-locking function in the lock is formed, and the sliding block 6 is in a locked state as long as the driving device 5 does not work, so that the risk that the electronic lock is unlocked due to collision is avoided, and the anti-collision safety of the electronic lock is really realized.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.

Claims

1. The utility model provides a be applied to auto-lock structure of tool to lock which characterized in that:

the device comprises a lock bolt, a lock bolt spring, a limiting component, a worm, a driving device and a sliding block;

the lock bolt is used for movably limiting a lock tongue of the lockset;

the lock bolt spring is opposite to the lock bolt and used for ejecting the lock bolt to limit the lock bolt;

the limiting assembly is arranged at the axial end part of the lock bolt and is used for limiting the lock bolt to prevent the lock bolt from retracting;

the axial direction of the worm is vertical to the axial direction of the lock bolt;

the driving device is used for driving the worm to rotate;

the sliding block is meshed with the worm and is in contact with the limiting assembly, the sliding block is driven to move along the axis direction of the worm by the rotation of the worm, and the limiting assembly is pushed by the movement of the sliding block to release the limitation on the lock bolt.

2. The self-locking structure applied to the lockset as claimed in claim 1, wherein:

the driving device is a speed reducing motor.

3. The self-locking structure applied to the lockset as claimed in claim 1, wherein:

4. The self-locking structure applied to the lockset as claimed in claim 1, wherein:

the buffer component is vertically arranged on the side edge of the lock bolt and is used for decomposing external impact force applied to the lock bolt; the buffer assembly comprises a buffer block and a buffer spring, and the buffer spring is used for providing elastic force to enable the buffer block to abut against the side edge of the lock bolt.

5. The self-locking structure applied to the lock according to any one of claims 1 to 4, wherein:

the limiting assembly comprises a first stop block, a second stop block and a third stop block; the first stop block is used for limiting the lock bolt, the second stop block is used for limiting the first stop block, the third stop block is used for limiting the second stop block, and the slide block is used for limiting the third stop block;

when the driving device works, the worm drives the sliding block to move, and sequentially pushes the third stop block to relieve the limit of the second stop block, the second stop block to relieve the limit of the first stop block and the first stop block to relieve the limit of the lock bolt.

6. The self-locking structure applied to the lockset as claimed in claim 5, wherein:

7. The self-locking structure applied to the lockset as claimed in claim 6, wherein:

8. The self-locking structure applied to the lockset as claimed in claim 5, wherein:

9. The self-locking structure applied to the lock according to any one of claims 1 to 4, wherein:

the limiting assembly comprises a fourth stop block and a third spring; the fourth stop block is arranged at the axial end part of the lock bolt and is provided with a yielding notch for yielding the lock bolt to move axially, and the third spring is used for enabling the fourth stop block to move to the position where the yielding notch is opposite to the end part of the lock bolt; the sliding block is used for limiting the fourth stop block so that the fourth stop block keeps limiting the lock bolt;

when the driving device works, the worm drives the sliding block to move so as to relieve the limit of the fourth stop block, the third spring pushes the fourth stop block to move so as to relieve the limit of the lock bolt, and the lock bolt can yield the lock bolt to move so as to achieve the purpose of unlocking.

10. The self-locking structure applied to the lock set according to claim 9, wherein:

11. The self-locking structure applied to the lock according to any one of claims 1 to 4, wherein:

the limiting assembly comprises a fifth stop block; the fifth stop block is arranged at the circumferential end part of the lock bolt, and the sliding block is connected with the fifth stop block;

when the driving device works, the worm drives the sliding block to move, the fifth stop block and the sliding block synchronously move to relieve the limit of the lock bolt, and the lock bolt can give way to move the lock bolt so as to achieve the purpose of unlocking.

12. The self-locking structure applied to the lock set according to claim 11, wherein:

13. The self-locking structure applied to the lockset as claimed in claim 1, wherein:

the lock body comprises a first containing cavity for assembling the lock bolt, a second containing cavity for assembling the lock bolt, a third containing cavity for assembling the driving device and a fourth containing cavity for assembling the limiting component.