CN111140100A

CN111140100A - Unlocking device

Info

Publication number: CN111140100A
Application number: CN202010150394.4A
Authority: CN
Inventors: 胡余庆; 石淼; 李武
Original assignee: Shenzhen Roche E Commerce Co ltd
Current assignee: Shenzhen Nuofengtai Intelligent Technology Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-05-12
Anticipated expiration: 2040-03-06
Also published as: CN111140100B

Abstract

The invention provides an unlocking device which comprises a plurality of latches and an unlocking mechanism, wherein the unlocking mechanism comprises a blocking block, a moving block and a moving guide rail, the blocking block is arranged on the moving block, the moving block is provided with the moving guide rail and can move on the moving guide rail, the plurality of latches are sequentially distributed along the moving track of the moving block with gaps, the blocking block can touch the latches when the moving block moves, the blocking block is used for applying a force to the latches in a locking direction and misplacing and passing through the latches under a counter-acting force of the latches when the moving block moves in the forward direction and touches the latches, the blocking block is used for applying a force to the latches in an opening direction when the moving block moves in the reverse direction and touches the latches, and the moving guide rail and the blocking block can rotate in a linkage manner. According to the invention, one lock body opening device can randomly select one target lock catch from a plurality of lock catches and unlock the target lock catch, and the lock body opening device has the advantages of simple structure and low production cost.

Description

Unlocking device

Technical Field

The present invention relates to an unlocking device.

Background

Some devices (such as vending machines and shared charging devices) usually have a plurality of transaction boxes for storing transaction commodities, the transaction boxes are usually configured with lock devices, however, some devices need to transaction commodities more, so that more transaction boxes are needed, each transaction box is configured with a lock device, in order to reduce production cost, in the prior art, some mechanical lock devices are adopted to complete locking of the transaction boxes, however, if the transaction boxes are more, more lock opening devices are needed, so that the technical problems of high cost and complex structure exist.

Disclosure of Invention

In order to solve the technical problem, the invention provides an unlocking device which comprises a plurality of latches and an unlocking mechanism, wherein the unlocking mechanism comprises a blocking block, a moving block and a moving guide rail, the blocking block is installed on the moving block, the moving block is installed on the moving guide rail and can move on the moving guide rail, the plurality of latches are sequentially distributed along the moving track of the moving block with gaps, the blocking block can touch the latches when the moving block moves, the blocking block is used for applying a force to the latches in a locking direction and misplaces through the latches under a counter-acting force of the latches when the moving block moves in a forward direction and touches the latches, the blocking block is used for applying a force to the latches in an opening direction when the moving block moves in a reverse direction and touches the latches, and the moving guide rail and the blocking block can rotate in a linkage manner.

Further, the movable guide rail is a screw rod, the movable block is sleeved on the screw rod, the movable block is in threaded connection with the screw rod, a first rotating area, a limiting area and a second rotating area are sequentially and continuously distributed on the moving track of the movable block, a plurality of lock catches are sequentially distributed between the first rotating area and the second rotating area, the limiting area is provided with two limiting plates distributed along the length direction of the screw rod, the two limiting plates are respectively positioned at two sides of the stop block and used for limiting the stop block to rotate, the two limiting plates are respectively a first limiting plate and a second limiting plate, wherein two ends of the first limiting plate respectively extend out of the limiting blocks to the first rotating area and the second rotating area, when the stop block is positioned in the first rotating area or the second rotating area, the limiting blocks are used for limiting the stop block to rotate in an arc area, and when the stop block is positioned in the first rotating area and the screw rod, the stop block positively moves from the first rotating area, passes through the limiting area and then enters the second rotating area.

Furthermore, the blocking block is rotatably connected with the moving block, a limiting block for limiting the blocking block to rotate around the moving block is arranged on the moving block, an elastic return piece is arranged between the moving block and the blocking block, the elastic return piece has pretightening force for keeping the blocking block and the limiting block in contact, when the blocking block moves in the forward direction and touches the lock catch, the lock catch is used for applying a force far away from the limiting block to the blocking block, and when the blocking block moves in the reverse direction and touches the lock catch, the lock catch is used for applying a force close to the limiting block to the blocking block.

Furthermore, an elastic element is arranged on the lock catch, and the elastic element has pretightening force for enabling the lock catch to move towards the locking direction.

Further, the second elastic element is a spring piece.

Further, the lock catch is locked and unlocked through rotation of the rotating shaft.

The invention has the beneficial effects that:

according to the invention, one lock body opening device can randomly select one target lock catch from a plurality of lock catches and unlock the target lock catch, and the lock body opening device has the advantages of simple structure and low production cost.

Drawings

FIG. 1 is a block diagram of the door of the vending cabinet in a closed state;

FIG. 2 is a block diagram of the door of the vending cabinet in an open position according to the present invention;

FIG. 3 is a view of the structure of the lock mechanism in the door of the vending cabinet of the present invention;

FIG. 4 is a view of a stop of the present invention in an initial position;

FIG. 5 is a diagram illustrating a variation of the process of the present invention in which the blocking piece moves forward and touches the latch;

FIG. 6 is a diagram illustrating a variation of the process of the present invention in which the blocking piece moves in the reverse direction and touches the latch;

FIG. 7 is a state view of the stop of the present invention in the end position;

FIG. 8 is a view of the stop of the present invention in the end position and after rotation with the moving track;

FIG. 9 is a structural view of an unlocking mechanism when the screw is used as a moving guide rail according to the present invention;

FIG. 10 is a sectional view of the assembly between the stopper and the limiting plate when the stopper is located at the limiting region in the present invention;

FIG. 11 is a sectional view of the assembly between the stopper and the stopper when the stopper is located in the first rotation region or the second rotation region according to the present invention;

FIG. 12 is a sectional view of the stop block of FIG. 11 assembled with the position limiting plate after the stop block is rotated;

FIG. 13 is an exploded view of the structure between the stopper and the moving block in the present invention;

fig. 14 is a view showing the structure of the latch according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

The invention adopts the automatic vending cabinet as an example, but is not limited to the automatic vending machine, and can be other equipment. (e.g., shared charging cabinet)

Referring to fig. 1 to 3, an automatic counter for goods in sale comprises a plurality of boxes 10 and an unlocking mechanism 20, wherein the boxes are correspondingly provided with a box door 11 and a lock catch 12 for locking and releasing the box door, the unlocking mechanism 20 comprises a blocking block 21, a moving block 22 and a moving guide rail 23, the blocking block 21 is mounted on the moving block 22, the moving block 22 is mounted on the moving guide rail 23 and can move on the moving guide rail 23, the lock catches 12 corresponding to the boxes 10 are sequentially distributed along the moving track of the moving block 22 with gaps, when the moving block 22 moves, the blocking block 21 can touch the lock catch 12, when the moving block 22 moves forward and touches the lock catch 12, the blocking block 21 is used for applying a force towards the direction of locking 11 to the lock catch 12 and misplaces and passes through the lock catch 12 under the reaction force of the lock catch 12, when the moving block 22 moves backward and touches the lock catch 12, the lock catch 21 is used for applying a force for, the moving guide rail 23 and the stopper 21 are rotated in conjunction.

The working principle of the structure is as follows:

when the stop block 21 touches the lock catch 12, the stop block 21 applies a force to the lock catch 12 in a direction toward the door of the lock, as shown in fig. 4, and the stop block 21 moves forward along the moving rail 23 from the initial position 30, as shown in fig. 5, so that the lock catch 12 is in a stationary state, and under the restriction of the lock catch, the stop block 21 can be dislocated and pass through the target lock catch and is located between the target lock catch and the adjacent lock catch; then, referring to fig. 6, the stop block 21 starts to move reversely to touch the target lock catch, and at this time, the stop block 21 applies a force to the lock catch in a direction of opening the door 11, so that unlocking of the target door can be completed; after unlocking is completed, see fig. 7, the stop block 21 starts to move forward again and reaches the final position 40 after passing through the last lock catch in the direction, when the final position 40 is reached, the stop block 21 stops moving, the movable guide rail 23 rotates and drives the stop block 21 to rotate at the same time, after rotating for a degrees, see fig. 8, when the stop block 21 moves reversely, the stop block 21 and the lock catch 12 are completely staggered and do not touch, until the last lock catch 12 in the direction passes through, the stop block 12 returns to the initial position 30, and the initial position 30 rotates to return to the initial state (namely, the state that the lock catch can be touched when the stop block moves), and when the unlocking needs to be selected again, the above working process is executed again. According to the working process, under the condition that the unlocking of other box doors is not influenced, the same unlocking mechanism is adopted when any box door is unlocked, and compared with the prior art that each box door correspondingly adopts a corresponding lock catch to complete corresponding unlocking, the invention has the advantages of simple structure and low production cost.

As a preferable scheme of the present invention, as shown in fig. 9 to 11, the moving guide rail 23 is a screw, the moving block 22 is sleeved on the screw, the moving block 22 is screwed with the screw, a moving track of the moving block 22 is sequentially and continuously distributed with a first rotating area 24, a limiting area 25, and a second rotating area 26, wherein latches 12 of a plurality of cases are sequentially distributed between the first rotating area 24 and the second rotating area 26, the limiting area 25 is provided with two limiting plates 251 distributed along a length direction of the screw, as shown in fig. 9 and 10, the two limiting plates 251 are respectively located at two sides of the blocking block for limiting rotation of the blocking block 21, the two limiting plates 251 are respectively a first limiting plate 2511 and a second limiting plate 2512, wherein two ends of the first limiting plate 2511 respectively extend out of the limiting blocks 2513 to the first rotating area 24 and the second rotating area 26, when the blocking block 21 is located in the first rotating area 24 or the second rotating area 26, referring to fig. 11, the stopper 2513 is used for limiting the rotation of the stopper 21 in the arc region 50, when the stopper 21 is located in the first rotation region 24 and the screw 23 rotates in the forward direction, the stopper 21 moves from the first rotation region 241 in the forward direction through the limiting region 251 and enters the second rotation region 261.

The working principle of the structure is as follows:

when the screw rod rotates forward and the stop block 21 is located in the first rotation area 24, the stop block 21 only moves forward due to the limitation of the limit block 2513, as shown in fig. 5, when the lock catch 12 is touched, the stop block 21 can be dislocated and pass through the target lock catch under the action of the lock catch 12 and is located between the target lock catch and the adjacent lock catch due to the static state of the lock catch 12; then, referring to fig. 6, the blocking piece 21 starts to move reversely to touch the target lock catch, and the blocking piece 21 applies a force to the target lock catch to drive the lock catch to separate from the box door 11, so as to unlock the target box door; after the unlocking is completed, the stop block 21 starts to move forward again and enters the second rotation area 26 after passing through the last lock catch 12 in the direction, when the position of the second rotation area 26 is reached, the screw 23 drives the stop block 21 to start to rotate backward, as shown in fig. 12, after rotating for a degrees (for example, 180 degrees), due to the action of the limit block 2513, when the screw 23 continues to rotate backward, the stop block 21 starts to move backward from the second rotation area 26 and returns to the first rotation area 24 after passing through the last lock catch 12 in the direction, in the process, the stop block 21 and the lock catch 12 are completely staggered and do not touch, in the first rotation area 24, the screw 23 starts to rotate forward, after rotating for a degrees, the limit block 2513 starts to limit the stop block 21 to rotate forward, at the moment, the stop block 21 returns after completing a working process, and when the unlocking needs to be selected again, the above working process can be executed again.

As a preferable embodiment of the present invention, the blocking block 21 is rotatably connected to the moving block 22, the moving block 22 is provided with a limiting block 221 for limiting the blocking block 21 to rotate around the moving block 22, an elastic return member 27 is provided between the moving block 22 and the blocking block 21, the elastic return member 27 has a pre-tightening force for keeping the blocking block 21 in contact with the limiting block 221, when the blocking block 21 moves in the forward direction and touches the latch 12, the latch 12 is configured to apply a force to the blocking block 21 away from the limiting block 221, and when the blocking block 221 moves in the reverse direction and touches the latch 12, the latch 12 is configured to apply a force to the blocking block 21 close to the limiting block 221.

The working principle of the structure is as follows:

referring to fig. 5 and 13, when the stop 21 moves in the forward direction and contacts the latch 12, since the latch 12 applies a force to the stop away from the limiting piece 221, which overcomes the pre-tightening force of the resilient return member 27 to rotate so that the stop 21 can be dislocated from the latch 12 and pass through the latch 12, see fig. 6 and 13, when the stop 21 moves in the reverse direction and contacts the latch 12, since the latch 12 applies a force to the stop 21 close to the limiting piece 27, since the limiting piece 221 limits the rotation of the stop 21, the stop 21 will generate a reaction force acting on the latch 12, which can drive the latch 12 to open the door 11.

After the door is opened, in order to ensure that the door 11 can be locked again, as shown in fig. 14, the latch 12 is provided with an elastic element 121, and the elastic element 121 has a pre-load force that enables the latch 12 to move toward the direction of locking the door 11.

Further, the second elastic element 121 is a spring plate.

Further, the latch 12 is rotated by the rotating shaft 122 to lock and unlock the door 11.

Further, the door 11 is hinged to the cabinet 12.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An unlocking device is characterized in that: including a plurality of hasps and unlocking mechanism, unlocking mechanism is including blockking piece, movable block, moving guide, it installs on the movable block to block the piece, the movable block installation moving guide can move on moving guide, and a plurality of hasps distribute along the removal orbit of movable block with clearance in proper order, when moving the piece and removing, it can touch the hasp to block the piece, when the movable block positive displacement just touched the hasp, block the piece and be used for applying the power toward locking direction and misplace through the hasp under the hasp reaction force to the hasp, when moving block reverse movement just touched the hasp, block the piece and be used for applying the power toward opening the direction to the hasp, moving guide with block and block that the linkage is rotated.

2. The unlocking device according to claim 1, wherein: the movable guide rail is a screw rod, the movable block is sleeved on the screw rod and is in threaded connection with the screw rod, the moving track of the moving block is sequentially and continuously distributed with a first rotating area, a limiting area and a second rotating area, wherein the plurality of lock catches are sequentially distributed between the first rotating area and the second rotating area, the limiting area is provided with two limiting plates distributed along the length direction of the screw rod, the two limiting plates are respectively positioned at two sides of the stop block and used for limiting the stop block to rotate, the two limiting plates are respectively a first limiting plate and a second limiting plate, wherein, two ends of the first limit plate respectively extend out of the limit blocks to the first rotating area and the second rotating area, when the stop block is positioned in the first rotating area or the second rotating area, the limit block is used for limiting the stop block to rotate in the arc-shaped area, when the stop block is located the first rotation region and the screw rod rotates in the forward direction, the stop block moves in the forward direction from the first rotation region and enters the second rotation region after passing through the limiting region.

3. The unlocking device according to claim 1, wherein: the stop block is rotatably connected with the moving block, a limiting block for limiting the stop block to rotate around the moving block is arranged on the moving block, an elastic return piece is arranged between the moving block and the stop block, the elastic return piece has pretightening force for keeping the stop block in contact with the limiting block, when the stop block moves in the forward direction and touches the lock catch, the lock catch is used for applying a force far away from the limiting block to the stop block, and when the stop block moves in the reverse direction and touches the lock catch, the lock catch is used for applying a force close to the limiting block to the stop block.

4. The unlocking device according to any one of claims 1 to 3, characterized in that: the lock catch is provided with an elastic element, and the elastic element has pretightening force for enabling the lock catch to move towards the locking direction.

5. The unlocking device according to claim 4, wherein: the second elastic element is a spring piece.

6. The unlocking device according to any one of claims 1 to 3, characterized in that: the lock catch is locked and unlocked through rotation of the rotating shaft.