CN212295935U - Locking device - Google Patents

Abstract

The utility model discloses a locking device, include the main part and locate reset assembly in the main part, reset assembly includes button, reset spring, linking arm and drive block, and the one end of linking arm is equipped with the button, and the other end of linking arm is equipped with the drive block, and the reset spring cover is located on the linking arm, still include the unblock subassembly and locate the stopper in the main part, on the stopper was worn to locate by the linking arm, the unblock subassembly included fixed connection's lock core and limiting plate, and in the rotatable main part of locating of lock core, the drive block cooperateed with the axial slip that prevents the linking arm with the limiting plate. The limiting plate is matched with the driving block, axial movement of the connecting arm can be prevented, the button is prevented from being triggered at will, the limiting plate can be released from limiting the reset group price only when the lock cylinder is rotated by a specific key, the unlocking assembly improves safety performance of the locking device, and safety of users is guaranteed.

Description

Locking device

Technical Field

The utility model relates to a tool to lock equipment technical field especially relates to a locking device.

Background

The electronic lock is a novel lock combining an electronic control circuit and an electromagnetic actuating mechanism, has various unlocking modes and strong confidentiality, can use specific objects such as cards or plugs as keys, can also use no keys, and simultaneously or sequentially presses a button or a toggle switch according to a group of passwords to control the electromagnetic actuating mechanism to open the electronic lock. The conventional electronic lock is also provided with a reset key appropriately in order to improve fault tolerance, so that the electronic lock can be opened again when the electronic lock fails, but the conventional reset key lacks necessary safety components, and the safety of the electronic lock is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: provided is a highly safe lock device.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a locking device, includes the main part and locates reset assembly in the main part, reset assembly includes button, reset spring, linking arm and drive block, the one end of linking arm is equipped with the button, the other end of linking arm is equipped with the drive block, the reset spring cover is located on the linking arm, still include the unblock subassembly and locate the stopper in the main part, the linking arm is worn to locate on the stopper, the unblock subassembly includes fixed connection's lock core and limiting plate, the lock core is rotatable to be located in the main part, the drive block with the limiting plate cooperatees in order to prevent the endwise slip of linking arm.

Furthermore, one end of the return spring abuts against the limiting block, and the other end of the return spring abuts against the key.

Further, the reset assembly and the unlocking assembly are arranged side by side.

Furthermore, a first through hole is formed in the main body, and the key penetrates through the first through hole.

Furthermore, a step part matched with the first through hole is arranged on the key, and the step part is abutted against the first through hole.

Further, the key is made of stainless steel or elastic material.

Furthermore, a second through hole matched with the connecting arm is formed in the limiting block, and the connecting arm penetrates through the second through hole.

Furthermore, the cross section of the connecting arm is cross-shaped.

Furthermore, the reset spring is positioned on one side of the limiting block, and the driving block is positioned on the other side of the limiting block.

Further, the lock cylinder and the limiting plate are fixedly connected through a screw.

The beneficial effects of the utility model reside in that: the limiting plate is matched with the driving block, axial movement of the connecting arm can be prevented, the button is prevented from being triggered at will, the limiting plate can be released from limiting the reset group price only when the lock cylinder is rotated by a specific key, the unlocking assembly improves safety performance of the locking device, and safety of users is guaranteed.

Drawings

Fig. 1 is a schematic structural view of a locking device according to a first embodiment of the present invention;

fig. 2 is a schematic view of a part of a locking device according to a first embodiment of the present invention;

fig. 3 is an exploded view of a reset assembly of a locking device according to a first embodiment of the present invention.

Description of reference numerals:

1. a main body;

2. pressing a key;

3. a return spring;

4. a connecting arm;

5. a drive block;

6. a limiting block;

7. a lock cylinder;

8. a limiting plate;

9. a step portion;

10. a second via.

Detailed Description

In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

The utility model discloses the most crucial design lies in: the limiting plate is matched with the driving block, so that the axial movement of the connecting arm can be prevented, and the button is prevented from being triggered randomly.

Please refer to fig. 1 to 3, a locking device, includes main part 1 and locates reset assembly on the main part 1, reset assembly includes button 2, reset spring 3, linking arm 4 and drive block 5, the one end of linking arm 4 is equipped with button 2, the other end of linking arm 4 is equipped with drive block 5, reset spring 3 cover is located on the linking arm 4, still include the unblock subassembly and locate stopper 6 on the main part 1, linking arm 4 wears to locate on stopper 6, the unblock subassembly includes fixed connection's lock core 7 and limiting plate 8, lock core 7 is rotatable to be located on the main part 1, drive block 5 with limiting plate 8 cooperatees in order to prevent the axial slip of linking arm 4.

The working principle of the utility model is as follows: under normal conditions, the limiting plate is matched with the driving block, and the key cannot be triggered under normal conditions; the key needs to be triggered, the lock core needs to be rotated through a specific key, the limiting plate is rotated away from the driving block, and the key can be triggered smoothly to unlock.

From the above description, the beneficial effects of the present invention are: the limiting plate is matched with the driving block, axial movement of the connecting arm can be prevented, the button is prevented from being triggered at will, the limiting plate can be released from limiting the reset group price only when the lock cylinder is rotated by a specific key, the unlocking assembly improves safety performance of the locking device, and safety of users is guaranteed.

Furthermore, one end of the return spring 3 abuts against the limiting block 6, and the other end of the return spring 3 abuts against the key 2.

Further, the reset assembly and the unlocking assembly are arranged side by side.

As can be seen from the above description, the reset assembly and the unlocking assembly arranged side by side can save the internal space of the locker.

Furthermore, a first through hole is formed in the main body 1, and the key 2 penetrates through the first through hole.

Furthermore, a step portion 9 matched with the first through hole is arranged on the key 2, and the step portion 9 abuts against the first through hole.

As can be seen from the above description, the step portion is abutted against the first through hole, so that the key can be triggered and reset at any time.

Further, the key 2 is made of stainless steel or an elastic material.

As can be seen from the above description, the user can select different materials according to different usage scenarios to meet different usage requirements.

Furthermore, a second through hole 10 matched with the connecting arm 4 is formed in the limiting block 6, and the connecting arm 4 penetrates through the second through hole 10.

Further, the cross section of the connecting arm 4 is cross-shaped.

As can be seen from the above description, the connecting arm in the cross shape is effective against rotation.

Furthermore, the return spring 3 is located on one side of the limiting block 6, and the driving block 5 is located on the other side of the limiting block 6.

Further, the lock cylinder 7 and the limiting plate 8 are fixedly connected through screws.

As can be seen from the above description, the screw connection structure is simple and the connection effect is stable.

Example one

Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: the utility model provides a locking device, includes main part 1 and locates the subassembly that resets in the main part 1, the subassembly that resets includes button 2, reset spring 3, linking arm 4 and drive block 5, the one end of linking arm 4 is equipped with button 2, the other end of linking arm 4 is equipped with drive block 5, 3 covers of reset spring are located on the linking arm 4, still include the unblock subassembly and locate stopper 6 in the main part 1, the linking arm 4 is worn to locate on the stopper 6, the unblock subassembly includes fixed connection's lock core 7 and limiting plate 8, the rotatable locating of lock core 7 in the main part 1, drive block 5 with limiting plate 8 cooperatees in order to prevent the endwise slip of linking arm 4.

It is easy to understand that, under normal conditions, the limiting plate 8 is matched with the driving block 5, and the key 2 cannot be triggered under normal conditions; the key 2 needs to be triggered, the lock core 7 needs to be rotated through a specific key, the limiting plate 8 is rotated away from the driving block 5, and the key 2 can be triggered smoothly to unlock.

In this embodiment. One end of the return spring 3 abuts against the limiting block 6, and the other end of the return spring 3 abuts against the key 2.

Optionally, the reset assembly and the unlocking assembly are arranged side by side.

The main body 1 is provided with a first through hole, the key 2 penetrates through the first through hole, specifically, the key 2 is provided with a step part 9 matched with the first through hole, and the step part 9 abuts against the first through hole. Optionally, the key 2 is made of stainless steel or an elastic material, and preferably, the key 2 is made of stainless steel.

In detail, the limiting block 6 is provided with a second through hole 10 matched with the connecting arm 4, the connecting arm 4 is arranged in the second through hole 10 in a penetrating manner, and particularly, the cross section of the connecting arm 4 is cross-shaped.

Referring to fig. 2, the return spring 3 is located at one side of the limiting block 6, and the driving block 5 is located at the other side of the limiting block 6. The lock cylinder 7 and the limiting plate 8 are fixedly connected through screws.

To sum up, the utility model provides a locking device, limiting plate and drive block cooperate, can prevent the axial motion of linking arm, prevent that the button from being triggered at will, locking device only rotates under the condition of lock core at specific key, just can remove the limiting plate and organize the spacing of price to reseing, and the unblock subassembly has improved locking device's security performance, helps guaranteeing user safety.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims (10)

1. The utility model provides a locking device, includes the main part and locates reset assembly in the main part, reset assembly includes button, reset spring, linking arm and drive block, the one end of linking arm is equipped with the button, the other end of linking arm is equipped with the drive block, reset spring overlaps and locates on the linking arm, its characterized in that: the lock comprises a main body, and is characterized by further comprising an unlocking assembly and a limiting block arranged on the main body, wherein the connecting arm is arranged on the limiting block in a penetrating mode, the unlocking assembly comprises a lock cylinder and a limiting plate which are fixedly connected, the lock cylinder is rotatably arranged on the main body, and the driving block is matched with the limiting plate to prevent the connecting arm from axially sliding.

2. The latching device of claim 1, wherein: one end of the reset spring abuts against the limiting block, and the other end of the reset spring abuts against the key.

3. The latching device of claim 1, wherein: the reset assembly and the unlocking assembly are arranged side by side.

4. The latching device of claim 1, wherein: the main body is provided with a first through hole, and the key is arranged in the first through hole in a penetrating mode.

5. The latching device of claim 4, wherein: the key is provided with a step part matched with the first through hole, and the step part is abutted against the first through hole.

6. The latching device of claim 1, wherein: the key is made of stainless steel or elastic material.

7. The latching device of claim 1, wherein: the limiting block is provided with a second through hole matched with the connecting arm, and the connecting arm penetrates through the second through hole.

8. The latching device of claim 7, wherein: the cross section of the connecting arm is cross-shaped.

9. The latching device of claim 7, wherein: the reset spring is positioned on one side of the limiting block, and the driving block is positioned on the other side of the limiting block.

10. The latching device of claim 1, wherein: the lock core is fixedly connected with the limiting plate through a screw.

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