CN220955110U - Lockset and medicine cabinet - Google Patents

Abstract

The application relates to a lockset and a medicine cabinet. The utility model provides a tool to lock, including the lock shell, the spring bolt connecting piece activity sets up in the lock shell, and one end has the latch bolt portion, the lateral wall and the spring bolt connecting piece butt of cam, drive assembly installs in the lock shell, drive assembly's output and cam connection, drive assembly can drive the cam rotation, the hasp sets up in the cabinet door, hasp and lock shell components of a whole that can function independently set up, hasp one end has the cavity region, when the cabinet door is closed on the cabinet body, hasp one end stretches into the lock shell from first direction, when drive assembly drive cam rotation, the lateral wall of cam promotes spring bolt connecting piece reciprocating motion, the latch bolt portion is locked when stretching into the cavity region from the second direction, the unblock when the hollow region withdraws from. In the locking or unlocking process of the lock, the rigid collision of the lock catch and the lock tongue part is effectively reduced due to the arrangement of the hollow area, and meanwhile, the lock tongue connecting piece is pushed by the side wall of the cam to provide moving buffering for the lock device, so that the lock is ensured to be unlocked more smoothly, and the damage of the lock device is avoided.

Description

Lockset and medicine cabinet

Technical Field

The utility model relates to high-end equipment manufacturing and biological medicine industry, in particular to a lockset and a medicine cabinet.

Background

Medical cabinets are used for storing articles such as medicines and consumables, and locks are usually installed on the medical cabinets to prevent people without unlocking permission from opening the cabinet. However, in a medical place, when medical staff uses the medicine cabinet during a doctor-ward peak, the medicine cabinet needs to be frequently unlocked or locked to be opened and closed for taking and placing medicines, and when a lock device in the lock is hard collided, the high-frequency unlocking or locking easily causes the condition that the lock device is damaged and the unlocking is not smooth.

Disclosure of utility model

Based on this, it is necessary to provide a lock and a drug cabinet for the problems that the lock device inside the lock is easy to be damaged due to hard collision and the unlocking is not smooth.

A lock, comprising:

The lock shell is arranged on the cabinet body;

The lock tongue connecting piece is movably arranged in the lock shell, and one end of the lock tongue connecting piece is provided with a lock tongue portion;

the side wall of the cam is abutted with the lock tongue connecting piece;

The driving assembly is arranged in the lock shell, the output end of the driving assembly is connected with the cam, and the driving assembly can drive the cam to rotate;

The lock catch is arranged on the cabinet door, the lock catch and the lock shell are arranged in a split mode, one end of the lock catch is provided with a hollow area, when the cabinet door is closed on the cabinet body, one end of the lock catch extends into the lock shell from a first direction, when the driving assembly drives the cam to rotate, the side wall of the cam pushes the lock tongue connecting piece to reciprocate, and the lock tongue portion is locked when extending into the hollow area from a second direction and unlocked when the lock tongue portion is withdrawn from the hollow area.

In one embodiment, the side wall of the cam has an arcuate guide surface that urges the tongue connector to reciprocate.

In an embodiment, the lock further comprises an elastic piece, one end of the elastic piece is connected with the lock shell, the other end of the elastic piece is connected with the lock tongue connecting piece, the cross section of the cam is in a long strip shape, and the side wall of the long side of the cam and the side wall of the short side of the cam form a round angle transition;

When the cam rotates along the third direction by a preset angle, the side wall of the cam pushes the lock tongue connecting piece to move, the lock tongue portion withdraws from the hollow area from the second direction to unlock, and the side wall of the long side of the cam abuts against the lock tongue connecting piece.

In an embodiment, the device further comprises a first detector, wherein the first detector is arranged in the lock shell and is used for generating a first induction signal according to whether the cam rotates into a first induction range.

In an embodiment, the cam further comprises a second detector, a first baffle and a second baffle are respectively arranged at two ends of the long side of the cam, when the cam rotates by a preset angle along a third direction, the first baffle enters the first induction range, the first detector generates a first induction signal, when the cam rotates by a preset angle along a fourth direction, the second baffle enters the second induction range, and the second detector generates a second induction signal.

In an embodiment, the lock further comprises a push block and a third detector, the push block is movably arranged in the lock shell, one end of the lock catch stretches into the lock shell from a first direction to push the push block, the push block is pushed to be in a third sensing range, and the third detector is used for generating a third sensing signal.

In an embodiment, the lock further comprises a reset piece, one end of the reset piece is connected with the lock shell, the other end of the reset piece is connected with the push block, the lock shell is provided with a sliding groove, the push block is accommodated in the sliding groove, the groove wall of the sliding groove is provided with a protrusion, one side of the push block corresponding to the protrusion is provided with a groove, so that the protrusion is accommodated in the groove, and the moving range of the push block along the first direction can be limited by the groove wall of the groove;

When one end of the lock catch stretches into the lock shell from the first direction and pushes the push block, one groove wall of the groove abuts against the protrusion, and when one end of the lock catch withdraws from the lock shell from the first direction, the reset piece pulls the push block, so that the other groove wall of the groove abuts against the protrusion.

In an embodiment, the lock further comprises a mechanical lock body, the mechanical lock body is installed in the lock shell and is close to the bottom, the mechanical lock body comprises a lock cylinder and a moving piece, the lock cylinder is used for inserting a key, the lock cylinder drives the moving piece to synchronously rotate, and the moving piece drives the lock tongue connecting piece to downwards move to unlock.

In an embodiment, the device further comprises a fourth detector, a baffle is arranged at the bottom of the lock tongue connecting piece, and when the lock tongue connecting piece moves downwards, the baffle moves to be within a fourth induction range, and the fourth detector is used for generating a fourth induction signal.

The utility model provides a medicine cabinet, includes cabinet door, the cabinet body and above-mentioned tool to lock, the cabinet body with one of them sets up the lock shell, another sets up the hasp, the cabinet door can be relative the cabinet body rotates.

In the lockset, when the cabinet door is closed, one end of the lock catch stretches into the lock catch from the first direction, the driving assembly drives the cam to rotate, the side wall of the cam pushes the lock tongue connecting piece to stretch into the hollow area from the second direction, and the lock tongue connecting piece is locked and unlocked when the lock tongue connecting piece is withdrawn from the hollow area. Wherein, in the in-process of locking or unblock, the hollow region is provided with the effectual rigid collision of avoiding hasp and spring bolt portion, promotes the spring bolt connecting piece through the lateral wall of cam simultaneously and gives the removal buffering of lock device, guarantees that the unblock is more smooth and easy to avoid the circumstances that lock device damaged.

Drawings

FIG. 1 is a perspective view of a traditional Chinese medicine cabinet according to an embodiment;

FIG. 2 is a perspective view of the lock in the drug cabinet shown in FIG. 1;

FIG. 3 is a schematic illustration of unlocking of the lock in the drug cabinet shown in FIG. 2;

FIG. 4 is a schematic view of the locking of the lock in the drug cabinet shown in FIG. 2;

fig. 5 is a schematic view of the drive assembly and cam of the lock of fig. 2.

Reference numerals:

Drug cabinet 1, lockset 10, cabinet door 20, cabinet door 30, lock catch 40,

Lock housing 100, chute 102, projection 104, mounting plate 106,

Bolt connector 110, bolt portion 112,

Cam 120, first barrier 122, second barrier 124,

A driving assembly 130,

Elastic member 140,

Push block 150, groove 152,

A mechanical lock 160, a lock cylinder 162, a moving member 164,

The first detector 170, the second detector 180, the third detector 190, and the fourth detector 200.

Detailed Description

In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings. Preferred embodiments of the present application are shown in the drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, in an embodiment, a medicine cabinet 1 includes a lock 10, a cabinet door 20, and a cabinet body 30, where the lock 10 includes a lock case 100 and a lock catch 40, the lock case 100 and the lock catch 40 may be respectively mounted on two different objects, that is, one of the cabinet body 30 and the cabinet door 20 is provided with the lock case 100, and the other is provided with the lock catch 40, for example, the lock case 100 is disposed on the cabinet body 30, the cabinet door 20 is provided with the lock catch 40, the cabinet door 20 can rotate relative to the cabinet body 30, and the lock catch 40 can extend into the lock case 100 to implement door closing or locking.

In an embodiment, the lock 10 includes a lock case 100, a lock tongue connecting member 110, a driving assembly 130, a cam 120 and a lock catch 40, where the lock case 100 is disposed in the cabinet body 30, the lock tongue connecting member 110 is movably disposed in the lock case 100, one end of the lock tongue connecting member 110 has a lock tongue 112, the driving assembly 130 is installed in the lock case 100, an output end of the driving assembly 130 is connected with the cam 120 and can drive the cam 120 to rotate, the lock catch 40 is disposed in the cabinet door 20, the lock catch 40 and the lock case 100 are separately disposed, and can be respectively installed to two different objects, one end of the lock catch 40 has a central control area, when the lock catch 40 installed in the cabinet door 20 is closed in the cabinet body 30, one end of the lock catch 40 extends into the lock case 100 from a first direction, when the driving assembly 130 drives the cam 120 to rotate, the side wall of the cam 120 pushes the lock tongue connecting member 110 to reciprocate, and when the lock tongue 112 extends into the hollow area from a second direction, the lock is unlocked when the hollow area exits. Specifically, as shown in fig. 3, the first direction is perpendicular to the extending direction of the latch bolt connecting piece 110, the second direction is parallel to the extending direction of the latch bolt connecting piece 110, the driving component 130 may be an electric push rod, an electromagnetic lock, or the like, the driving component 130 is started to make the output end of the driving component 130 drive the cam 120 to rotate, and in the process of locking or unlocking, the rotation of the cam 120 pushes the latch bolt 112 to reciprocate along the second direction, so that the latch bolt 112 stretches into or withdraws from the hollow area of the latch bolt 40 to realize locking or unlocking, the rigid collision between the latch bolt 40 and the latch bolt portion 112 is effectively avoided due to the arrangement of the hollow area, and meanwhile, the side wall of the cam 120 pushes the latch bolt connecting piece 110 to provide a moving buffer for the latch device, so that the unlocking process is smoother, and the damage of the latch device is avoided.

Referring to fig. 3-5, in one embodiment, the side wall of cam 120 has an arcuate guide surface that pushes latch bolt connector 110 to reciprocate. Specifically, the cam 120 has a certain thickness, that is, the side wall of the cam 120 has a corresponding width, and in the process of rotating the cam 120, the arc-shaped guiding surface of the side wall of the cam 120 gradually rotates and abuts against the lock tongue connecting member 110, so that the movement of the lock tongue connecting member 110 is gradual, and the movement generated by the direct hard collision is not avoided, so that the unlocking process is effectively ensured to be smoother.

Referring to fig. 5, in one embodiment, lock 10 includes an elastic member 140, one end of elastic member 140 is connected to lock case 100, the other end is connected to lock tongue connecting member 110, a cross section of cam 120 is elongated, and a side wall of a long side of cam 120 and a side wall of a short side of cam 120 have rounded transitions.

Specifically, the arc-shaped guide surface is located at the transition of the long side and the short side of the cam 120, and the driving assembly 130 can drive the cam 120 to rotate in the third direction or the fourth direction by a preset angle, and the third direction and the fourth direction are opposite directions, and can be clockwise or anticlockwise, and during the rotation of the cam 120, when the cam 120 rotates from the long side to the short side or from the short side to the long side, the arc-shaped guide surface of the side wall of the cam 120 gradually guides the latch bolt connecting member 110 to reciprocate, so as to effectively buffer the movement of the lock device in the lock case 100.

Further, the initial position of the cam 120 may be preset to be a position where the long sides are parallel to each other, that is, the side wall of the short side of the cam 120 abuts against the latch bolt connector 110 (the latch bolt connector 110 is in the locked position) in the initial position. For example, the third direction is set to be clockwise, the fourth direction is set to be counterclockwise, the preset angle is 90 degrees, the driving component 130 drives the cam 120 to rotate 90 degrees, so that the short side to long side conversion can be realized, when the driving component 130 drives the cam 120 to rotate 90 degrees along the third direction (clockwise) from the initial position, the cam 120 abuts against the lock tongue connecting piece 110 from the side wall of the short side to abut against the lock tongue connecting piece 110 from the side wall of the long side, the lock tongue connecting piece 110 is pushed to move, the lock tongue part 112 pushes out of the hollow area of the lock catch 40 from the second direction to enable the lock catch 10 to be in an unlocking state, and meanwhile, the lock catch 40 can be separated from the limit of the lock tongue part 112, so that the lock catch 40 can be separated from the lock case 100, and the cabinet door 20 and the cabinet body 30 can be in a state of relative motion. When locking is required, the driving assembly 130 drives the cam 120 to rotate 90 degrees from the fourth direction (anticlockwise), and the cam 120 can return to the initial position at this time, the side wall of the long side abuts against the lock tongue connecting piece 110, the side wall of the short side abuts against the lock tongue connecting piece 110, the elastic piece 140 resets and pulls the lock tongue connecting piece 110 to move, the lock tongue portion 112 stretches into the hollow area of the lock catch 40 from the second direction so that the lock 10 is in a locking state, and meanwhile, the lock catch 40 is limited in the lock shell 100 so that the cabinet door 20 and the cabinet body 30 are in a relatively static state, namely a door closing state. When the medical care needs to frequently open and close the cabinet door 20, the lockset 10 can be kept in an unlocking state, so that the cabinet door 20 can be freely opened and closed in the period, and convenience is provided for medical care use.

It can be understood that the third direction and the fourth direction may be the same direction, and only the rotation of the driving cam 120 by a preset angle is controlled each time to realize the conversion between the long side and the short side, and if the preset angle is 90 degrees, the driving assembly 130 drives the cam 120 to rotate by 90 degrees when unlocking is required, and continues to drive the cam 120 to rotate by 90 degrees when locking is required. The preset angle may be 90 degrees, 270 degrees, etc., and the preset angle may be set to be an odd multiple of 90 degrees.

In one embodiment, the lock 10 further includes a first detector 170, the first detector 170 being disposed in the lock housing 100 and configured to generate a first sensing signal according to whether the cam 120 rotates into a first sensing range. Specifically, when the cam 120 rotates by a preset angle to enter the first sensing range, the first detector 170 is triggered and generates a first sensing signal, and the controller determines whether the cam 120 rotates to a specific position according to the preset angle according to the first sensing signal.

Referring to fig. 5, in an embodiment, the lock 10 further includes a second detector 180, two ends of the long side of the cam 120 are respectively provided with a first blocking piece 122 and a second blocking piece 124, when the cam 120 rotates a preset angle along a third direction, the first blocking piece 122 enters a first sensing range, the first detector 170 generates a first sensing signal, when the cam 120 rotates a preset angle along a fourth direction, the second blocking piece 124 enters a second sensing range, and the second detector 180 generates a second sensing signal.

Specifically, the lock case 100 further includes a mounting plate 106, the mounting plate 106 is located below the output end, the first detector 170 and the second detector 180 are mounted on the mounting plate 106, the output end of the driving assembly 130 is connected to the central region of the cam 120, that is, the output end is located at the center of the long side and the short side of the cam 120, the distance from the first detector 170 and the second detector 180 to the output end is approximately equal to half of the long side, respectively, and the first detector 170 is located in the second direction, and the second detector is located in the horizontal direction of the output end. Further, the first detector 170 is disposed at a position corresponding to the first blocking piece 122 when the side wall of the long side of the cam 120 abuts against the lock tongue connector 110, and when the first blocking piece 122 rotates to enter the first sensing range, the first detector 170 generates a first sensing signal to indicate that the lock 10 is in the unlock state at this time; the second detector 180 is disposed at a position corresponding to the second blocking piece 124 when the side wall of the short side of the cam 120 abuts against the lock tongue connecting member 110, and when the second blocking piece 124 rotates to the second sensing range, the second detector 180 generates a second sensing signal, which indicates that the lock 10 is in the locked state at this time. The first detector 170 and the second detector 180 can detect whether the cam 120 rotates to a preset position, so as to avoid unlocking or locking out of place when the angle of the driving assembly 130 driving the cam 120 to rotate does not reach the preset angle.

In an embodiment, the lock 10 further includes a push block 150 and a third detector 190, the push block 150 is movably disposed in the lock case 100, one end of the lock catch 40 extends into the lock case 100 from the first direction to push the push block 150, and pushes the push block 150 to a sensing range of the third detector 190, and the third detector 190 is configured to generate a third sensing signal. Specifically, when the lock catch 40 extends into the lock case 100 to push the push block 150, a part of the structure of the push block 150 can enter the third sensing range, and the third detector 190 is triggered to generate a third sensing signal, which indicates that the cabinet door 20 is in the closed state at this time. Further, the lock 10 further includes a reset element, one end of the reset element is connected to the lock case 100, the other end of the reset element is connected to the push block 150, when one end of the lock catch 40 is separated from the lock case 100 along the first direction, the reset element resets to drive the push block 150 to reset, so as to separate from the third sensing range, and the third detector 190 is separated from the triggered state. The third detector 190 can detect whether the cabinet door 20 is closed, and when the lock 10 is applied to the cabinet body 30 requiring refrigeration, the cabinet door 20 is not tightly closed, which easily causes deterioration of the medicines stored in the cabinet body 30 due to temperature unbalance.

Referring to fig. 3 and 4, in an embodiment, the lock housing 100 is provided with a sliding slot 102, the push block 150 is accommodated in the sliding slot 102, one slot wall of the sliding slot 102 is provided with a protrusion 104, and a groove 152 is provided on one side of the push block 150 corresponding to the protrusion, so that the protrusion 104 is accommodated in the groove 152, and the opposite slot walls of the groove 152 can limit the movement range of the push block 150 along the first direction. Specifically, the push block 150 can slide in the sliding groove 102, and the lock catch 40 can push the push block 150 to one of the groove walls of the groove 152 to abut against the protrusion 104, so as to limit the extending range of the lock catch 40, and avoid the damage of the cabinet door 20 and the cabinet body 30 caused by rigid collision of the cabinet door 20 and the cabinet body 30 due to overlarge external force of the cabinet door 20 connected with the lock catch 40 in the use process of medical care. When the lock catch 40 is separated from the lock case 100, the reset member drives the push block 150 to reset, wherein the maximum resetting range is that the other groove wall of the groove 152 abuts against the protrusion 104, so as to prevent the push block 150 from sliding out of the lock case 100.

In an embodiment, the lock 10 further includes a mechanical lock 160, where the mechanical lock 160 is installed in the lock case 100 and near the bottom, the mechanical lock 160 includes a lock cylinder 162 and a moving member 164, the lock cylinder 162 is used for inserting a key, the lock cylinder 162 drives the moving member 164 to rotate synchronously, the moving member 164 drives the lock tongue connecting member 110 to move, and the lock tongue portion 112 exits from the hollow area of the lock catch 40 from the second direction to unlock. Specifically, the lock tongue connecting member 110 is provided with a through groove, the moving member 164 is convexly arranged at one side of the lock core 162 and penetrates through the through groove, and the lock core 162 can slide the groove 102 in the through groove and drive the lock tongue connecting member 110 to move downwards for unlocking.

In an embodiment, the lock 10 further includes a fourth detector 200, the fourth detector 200 is mounted on the mounting plate 106, a baffle is disposed at the bottom of the lock tongue connector 110, and when the moving member 164 drives the lock tongue connector 110 to move, so that the lock tongue portion 112 exits the hollow area of the lock catch 40 from the second direction, the baffle moves to the sensing range of the fourth detector 200, and the fourth detector 200 is triggered to generate a fourth sensing signal. Specifically, the fourth detector 200 can detect whether the lock tongue connector 110 moves to the preset position, and when the lock tongue connector 110 moves to the fourth sensing range, it can be determined that the lock tongue connector 110 moves to the unlock state, so as to avoid the situation that the door 20 is in an openable state due to the unlock of the lock tongue connector 110 being not in place.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (10)

1. A lock, comprising:

The lock shell is arranged on the cabinet body;

The lock tongue connecting piece is movably arranged in the lock shell, and one end of the lock tongue connecting piece is provided with a lock tongue portion;

the side wall of the cam is abutted with the lock tongue connecting piece;

The driving assembly is arranged in the lock shell, the output end of the driving assembly is connected with the cam, and the driving assembly can drive the cam to rotate;

The lock catch is arranged on the cabinet door, the lock catch and the lock shell are arranged in a split mode, one end of the lock catch is provided with a hollow area, when the cabinet door is closed on the cabinet body, one end of the lock catch extends into the lock shell from a first direction, when the driving assembly drives the cam to rotate, the side wall of the cam pushes the lock tongue connecting piece to reciprocate, and the lock tongue portion is locked when extending into the hollow area from a second direction and unlocked when the lock tongue portion is withdrawn from the hollow area.

2. The lock of claim 1, wherein the side wall of the cam has an arcuate guide surface that urges the latch bolt connector to reciprocate.

3. The lock according to claim 2, further comprising an elastic member, wherein one end of the elastic member is connected to the lock case, the other end is connected to the lock tongue connecting member, the cross section of the cam is in a long bar shape, and the side wall of the long side of the cam and the side wall of the short side of the cam are in a rounded transition;

When the cam rotates along the third direction by a preset angle, the side wall of the cam pushes the lock tongue connecting piece to move, the lock tongue portion withdraws from the hollow area from the second direction to unlock, and the side wall of the long side of the cam abuts against the lock tongue connecting piece.

4. The lock of claim 3, further comprising a first detector disposed within the lock housing and configured to generate a first sensing signal based on whether the cam rotates into a first sensing range.

5. The lock according to claim 4, further comprising a second detector, wherein a first blocking piece and a second blocking piece are respectively disposed at two ends of the long side of the cam, the first blocking piece enters the first sensing range when the cam rotates a preset angle along a third direction, the first detector generates a first sensing signal, the second blocking piece enters the second sensing range when the cam rotates a preset angle along a fourth direction, and the second detector generates a second sensing signal.

6. The lock of claim 1, further comprising a push block movably disposed within the lock housing, the lock catch having one end extending into the lock housing from a first direction to push the push block and push the push block into a third sensing range, and a third detector for generating a third sensing signal.

7. The lock according to claim 6, further comprising a reset member, wherein one end of the reset member is connected to the lock housing, the other end of the reset member is connected to the push block, the lock housing is provided with a sliding slot, the push block is accommodated in the sliding slot, a groove wall of the sliding slot is provided with a protrusion, one side of the push block corresponding to the protrusion is provided with a groove, so that the protrusion is accommodated in the groove, and the moving range of the push block along the first direction can be limited by the groove wall of the groove;

When one end of the lock catch stretches into the lock shell from the first direction and pushes the push block, one groove wall of the groove abuts against the protrusion, and when one end of the lock catch withdraws from the lock shell from the first direction, the reset piece pulls the push block, so that the other groove wall of the groove abuts against the protrusion.

8. The lock of claim 1, further comprising a mechanical lock body mounted in the lock housing and positioned near the bottom, the mechanical lock body comprising a lock cylinder into which the key is inserted, and a moving member that moves the moving member in synchronism with the lock cylinder, the moving member moving the tongue connecting member downward to unlock the lock.

9. The lock of claim 8, further comprising a fourth detector, wherein a baffle is disposed at a bottom of the latch connector, wherein the baffle moves into a fourth sensing range when the latch connector moves downward, and wherein the fourth detector is configured to generate a fourth sensing signal.

10. A medicine cabinet, characterized by comprising a cabinet door, a cabinet body and a lock according to any one of claims 1-9, wherein one of the cabinet body and the cabinet door is provided with a lock shell, the other is provided with a lock catch, and the cabinet door can rotate relative to the cabinet body.