CN108915421B

CN108915421B - Cabinet door lock

Info

Publication number: CN108915421B
Application number: CN201811101900.XA
Authority: CN
Inventors: 温汝坪; 许伟锋; 黄维尧; 欧阳星涛; 陈登志
Original assignee: Shenzhen Kexin Communication Technology Co Ltd
Current assignee: Shenzhen Kexin Communication Technology Co Ltd
Priority date: 2018-09-20
Filing date: 2018-09-20
Publication date: 2023-10-17
Anticipated expiration: 2038-09-20
Also published as: CN108915421A

Abstract

The invention discloses a cabinet door lock, which comprises a shell, a lock core assembly, a handle and an unlocking assembly, wherein the shell is provided with a lock core assembly; wherein, the upper surface of the outer shell is provided with a containing groove for containing the handle; the lock core component is positioned in the shell and is used for locking and unlocking the cabinet door; one end of the handle is connected with the lock cylinder assembly, and the handle can be accommodated in the accommodating groove or can be separated from the accommodating groove; the unlocking component is arranged at the other end of the handle; the locking and unlocking device is used for locking and unlocking the handle and the shell. According to the technical scheme, the unlocking component of the unlocking handle is arranged on the handle, so that the unlocking component does not occupy the space of the handle any more, and the length of the handle can be effectively increased to facilitate the user to hold; and because the unlocking component is arranged on the handle, violent forced disassembly can be effectively prevented, and then the safety of the cabinet is effectively improved.

Description

Cabinet door lock

Technical Field

The present disclosure relates to locks, and particularly to a door lock for a cabinet.

Background

At present, a buckle type structure is adopted for opening and closing a handle of a traditional cabinet door lock. The buckle button is designed on the shell of the lock body. Because the buckle button needs to reserve rotatory space, occupy the lock body space big. And thus the handle is short, which is inconvenient for the user to hold. And the existing buckle button is easier to pry open by tools such as a straight screw, and the safety is weaker.

Disclosure of Invention

The main purpose of the invention is to provide a cabinet door lock, which aims to effectively increase the length of a handle so as to be convenient for a user to hold.

In order to achieve the above object, the present invention provides a cabinet door lock, comprising a housing, a lock core assembly, a handle, and an unlocking assembly; wherein,,

the upper surface of the shell is provided with a containing groove for containing the handle;

the lock core component is positioned in the shell and is used for locking and unlocking the cabinet door;

one end of the handle is connected with the lock cylinder assembly, and the handle can be accommodated in the accommodating groove or can be separated from the accommodating groove;

the unlocking component is arranged at the other end of the handle; the locking and unlocking device is used for locking and unlocking the handle and the shell.

Optionally, the unlocking component comprises a button, a lock catch and a reset piece; wherein,,

the button is in sliding connection with the handle so that the button can move in a direction perpendicular to the plane of the upper surface of the handle;

the lock catch is positioned below the button and comprises an abutting part, a connecting part and a clamping hook part; the abutting part abuts against the button; the connecting part is rotationally connected with the handle; the clamping hook part is matched with the protruding part arranged on the shell; when the button moves downwards, the lock catch is driven to rotate forwards, the clamping hook part is separated from the protruding part, and then unlocking of the handle and the shell is achieved;

one end of the reset piece is connected with the handle, and the other end of the reset piece is connected with the lock catch; the locking device is used for driving the lock catch to reversely rotate so that the clamping hook part and the protruding part are buckled together, and further locking of the handle and the shell is achieved.

Optionally, the unlocking assembly further comprises a connecting shaft; the two ends of the connecting shaft are respectively and fixedly connected to the handle; the button is provided with a long hole corresponding to the connecting shaft, and the length direction of the long hole is perpendicular to the plane where the upper surface of the handle is positioned; the lock catch is provided with a shaft hole corresponding to the connecting shaft.

Optionally, the reset element is a spring.

Optionally, the lock cylinder assembly includes a first lock cylinder device and a second lock cylinder device; the first lock cylinder device is matched with the second lock cylinder device, so that locking and unlocking of the cabinet door are achieved.

Optionally, the first lock core device comprises a first lock tongue and a first driving device; the first driving device is provided with a jack for inserting a key; and the key is rotated to drive the first driving device to rotate, and the first driving device rotates to drive the first lock tongue to rotate, so that the first lock tongue is locked with the second lock cylinder device or unlocked with the second lock cylinder device.

Optionally, the second lock core device comprises a second lock tongue and a second driving device; the second driving device comprises a power supply device, a driving motor, a screw rod and a driving spring; the power supply device is electrically connected with the driving motor; one end of the screw is in transmission connection with the driving motor, and the other end of the screw is fixedly connected with the driving spring; one end of the second lock tongue is fixedly connected with the driving spring, and the other end of the second lock tongue is used for locking the first lock cylinder device or unlocking the second lock cylinder device.

Optionally, the cabinet door lock further comprises a control component; the control assembly comprises an induction magnet and a reed switch; the induction magnet is arranged in the handle; the reed switch is arranged in the shell and corresponds to the position of the induction magnet; the reed switch is used for sensing the position of the sensing magnet and controlling the rotation direction of the driving motor according to the position of the sensing magnet so as to control the movement direction of the second lock tongue.

Optionally, a charging interface is further arranged on the handle; one end of the charging interface is electrically connected with the power supply device, and the other end of the charging interface is electrically connected with an external power supply.

Optionally, the cabinet door lock further comprises a wake-up component; for waking up said second cylinder means.

According to the technical scheme, the unlocking component of the unlocking handle is arranged on the handle, so that the unlocking component does not occupy the space of the handle any more, and the length of the handle can be effectively increased to facilitate the user to hold; and because the unlocking component is arranged on the handle, violent forced disassembly can be effectively prevented, and then the safety of the cabinet is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of an embodiment of a cabinet door lock according to the present invention;

FIG. 2 is a schematic cross-sectional view of an embodiment of the cabinet door lock shown in FIG. 1;

FIG. 3 is a schematic perspective view of an embodiment of the button shown in FIG. 2;

fig. 4 is a schematic perspective view of an embodiment of the latch shown in fig. 2.

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The invention provides a cabinet door lock.

Referring to fig. 1 and 2, fig. 1 is a schematic perspective view of an embodiment of a cabinet door lock according to the present invention; fig. 2 is a schematic cross-sectional view of an embodiment of the cabinet door lock shown in fig. 1.

In this embodiment, the cabinet door lock includes a housing 100, a cylinder assembly 200, a handle 300, an unlocking assembly 400, a control assembly 500, and a wake-up assembly 600. Wherein,,

the upper surface of the housing 100 is provided with a receiving groove (not shown) for receiving the handle 300.

Specifically, the accommodating groove is formed by hollowing out the upper surface of the housing 100. The housing 100 is wrapped around the lock cylinder assembly 200, and when the handle 300 is accommodated in the accommodating groove, the upper surface of the handle 300 is flush with the upper surface of the housing 100.

The lock cylinder assembly 200 is located within the housing 100 for locking and unlocking the cabinet door.

Specifically, the plug assembly 200 includes a first plug assembly 220 and a second plug assembly 240; the first lock cylinder device 220 is matched with the second lock cylinder device 240, so that locking and unlocking of the cabinet door are achieved. Wherein,,

the first lock cylinder device 220 includes a first lock tongue 222 and a first driving device 224. The first driving device 224 is provided with a receptacle 225 into which a key (not shown) is inserted. The key is inserted and turned to drive the first driving means 224 to rotate. The first driving device 224 rotates to drive the first lock tongue 222 to rotate, so that the position of the first lock tongue 222 is changed, and the first lock tongue 222 is locked to the second lock cylinder device 240 or unlocked from the second lock cylinder device 240.

The second lock cylinder device 240 includes a second lock tongue 242 and a second driving device 244. The second driving device 244 includes a power supply device (not shown), a driving motor 245, a screw 246, and a driving spring 247. The power supply device is electrically connected with the driving motor 245; one end of the screw 246 is in transmission connection with the driving motor 245, and the other end of the screw 246 is fixedly connected with the driving spring 247; one end of the second lock tongue 242 is fixedly connected with the driving spring 247, and the other end is used for locking to the first lock cylinder device 220 or unlocking from the first lock cylinder device 220.

In this embodiment, the driving spring 247 is used to realize the soft connection between the screw 246 and the second lock tongue 242, so that the resistance is relatively small; when the second locking tongue 242 is resisted, the driving spring 247 is stretched and the driving motor 245 is not locked. And in the specific installation, both ends of the screw 246 are smooth cylinders, and when the driving spring 247 is driven to the front end or the tail end of the screw 246 by the small ring on the screw teeth of the screw 246, the driving spring 247 is separated from the screw teeth to generate idle rotation. This lost motion protects the drive motor 245 and also ensures that the screw 246 and the drive spring 247 are not damaged by the force of the locked rotor.

The first lock cylinder device 220 and the second lock cylinder device 240 are locked together, specifically, the first lock tongue 222 and the second lock tongue 242 are buckled with each other. The specific unlocking mode is as follows:

unlocking mode one: the first lock tongue 222 of the first lock cylinder device 220 and the second lock tongue 242 of the second lock cylinder device 240 are in a locked state. The first lock tongue 222 holding the first lock cylinder device 220 remains unchanged in position. The driving motor 245 drives the screw 246 to rotate. When the screw 246 rotates, the driving spring 247 is twisted. The driving spring 247 contracts (i.e. moves towards the direction approaching to the driving motor 245) under the torque force provided by the screw 246, so as to drive the second lock tongue 242 to move towards the direction away from the first lock tongue 222, so that the second lock tongue 242 is separated from the first lock tongue 222, and the unlocking operation is further realized.

The intelligent operation of the cabinet door lock is realized by the mode, and the operation is simple and convenient. The triggering manner of the second lock cylinder device 240 may be: the intelligent modes such as card swiping, fingerprint and face recognition bring brand new unlocking experience to users.

Since the second lock cylinder device 240 needs to be equipped with a power supply device, the existing power supply device is typically a battery, preferably a rechargeable battery. The present invention sets the first cylinder device 220 as a mechanical cylinder in consideration of the situation that the second cylinder device 240 may not work due to the exhaustion of the power supply device. The following unlocking mode is further provided:

unlocking mode II: the first lock tongue 222 of the first lock cylinder device 220 and the second lock tongue 242 of the second lock cylinder device 240 are in a locked state. The second lock tongue 242 holding the second lock cylinder device 240 maintains a position unchanged. The key is inserted into the receptacle 225 and the key is twisted. The first driving device 224 is driven to rotate simultaneously with the key rotation. The first driving device 224 rotates to drive the first locking bolt 222 to rotate, so that the position of the first locking bolt 222 is changed (the first locking bolt rotates towards the direction away from the second locking bolt 242), and the first locking bolt 222 and the second locking bolt 242 are dislocated, so as to realize unlocking operation.

Further, in order to avoid a situation in which the second cylinder device 240 is not operated due to the exhaustion of the power supply device. The invention is also provided with a charging interface on the handle 300; one end of the charging interface is electrically connected with the power supply device, and the other end of the charging interface is electrically connected with an external power supply, so that the power supply device is charged. Preferably, the power supply interface adopts a standard Micro Usb interface and a standard 5V input, so that the power supply device can be charged through charging equipment of the charger baby.

The handle 300 is connected at one end to the cylinder assembly 200 by a rotation shaft 302 such that the handle 300 can rotate about the rotation shaft. The other end of the handle 300 may be snap-fit or free to move with the unlocking assembly 400.

Specifically, when the other end of the handle 300 is accommodated in the accommodating groove, it is in snap connection with the unlocking component 400; when the other end of the handle 300 is separated from the receiving groove, it can be freely moved, and the user can grip and rotate the handle 300.

The unlocking assembly 400 is mounted at the other end of the handle 300; for effecting locking and unlocking of the handle 300 with the housing 100.

Specifically, as shown in fig. 3 and 4, and referring to fig. 2, the unlocking assembly 400 includes a button 420, a latch 440, and a reset member 460. Wherein the button 420 is slidably coupled to the handle 300 such that the button 420 can move in a direction perpendicular to a plane in which an upper surface of the handle 300 is located. The latch 440 is located below the button 420, and includes an abutment portion 442, a connection portion 444, and a hook portion 446; the abutting portion 442 abuts against the button 420; the connecting part 444 is rotatably connected with the handle 300; the hook 446 is matched with the protrusion 120 on the housing 100; when the button 420 moves downward, the lock catch 440 is driven to rotate forward, and the hook 446 is separated from the protrusion 120, so as to unlock the handle 300 from the housing 100. The restoring member 460 (preferably a spring) has one end connected to the handle 300 and the other end connected to the latch 440; for driving the latch 440 to rotate reversely, so that the hook 446 is snapped with the protrusion 120, thereby locking the handle 300 and the housing 100.

Further, in this embodiment, the unlocking assembly 400 further includes a connection shaft 480; both ends of the connecting shaft 480 are fixedly connected to the handle 300, respectively; the button 420 is provided with a long hole 422 corresponding to the connecting shaft 480, and the length direction of the long hole 422 is perpendicular to the plane of the upper surface of the handle 300; the lock catch 440 is provided with a shaft hole 448 corresponding to the connecting shaft 480.

When the button 420 is pressed downward, the button 420 moves downward, and the abutting portion 442 is pressed. When the abutting portion 442 is stressed, the lock catch 440 rotates around the connection shaft, and the hook portion 446 is separated from the protruding portion 120 provided on the housing 100, so as to unlock the handle 300. After the handle 300 is unlocked, it pops up to allow free movement of the handle 300. After unlocking, the pressure applied to the button 420 disappears, the latch 440 rotates under the action of the reset member 460, and the abutment 442 pushes up the button 420, so that the upper surface of the button 420 is flush with the upper surface of the handle 300.

When the handle 300 is locked, the other end (i.e., the free end) of the handle 300 is pressed toward the accommodating groove, and after the other end is pressed in place, the hook portion 446 is snapped with the protruding portion 120, so that the handle 300 is locked.

According to the technical scheme of the embodiment, the unlocking assembly 400 of the unlocking handle 300 is arranged on the handle 300, so that the unlocking assembly 400 does not occupy the space of the handle 300 any more, and the length of the handle 300 can be effectively increased to facilitate the user to hold; and because the unlocking component 400 is arranged on the handle 300, violent forced disassembly can be effectively prevented, and the safety of the cabinet is further effectively improved.

The control assembly 500 includes an induction magnet 520 and a reed switch 540. The induction magnet 520 is disposed in the handle 300; the reed switch 540 is disposed in the housing 100 and corresponds to the position of the induction magnet 520. The reed switch 540 is used for sensing the position of the sensing magnet 520, and controlling the rotation direction of the driving motor 245 according to the position of the sensing magnet 520, so as to control the movement direction of the second lock tongue 242.

In this embodiment, the control of the second lock cylinder device 240 is achieved through the sensing magnet 520 and the reed switch 540, and compared with the existing physical key control, in this embodiment, the sensing magnet 520 and the reed switch 540 are in a non-contact state, which is more reliable and durable. And the reed pipe 540 can be completely sealed in the housing 100, thereby realizing effective waterproof and dustproof.

The wake-up assembly 600 is configured to wake-up the second cylinder device 240. The wake-up assembly 600 may also be implemented using magnets (not shown) and reed switches (not shown). By the arrangement of the wake-up component 600, the second lock core device 240 in sleep can be woken up, so as to realize the unlocking operation. The sleep setting of the second lock core device 240 can effectively reduce the power consumption speed of the power supply device, and effectively prolong the service life of the second lock core device 240.

Specifically, in this embodiment, the wake-up device 600 drives the magnet to move through the sliding key 602, so as to adjust the relative position between the magnet and the reed switch.

The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims

1. The cabinet door lock is characterized by comprising a shell, a lock cylinder assembly, a handle and an unlocking assembly; wherein,,

the upper surface of the shell is provided with a containing groove for containing the handle; the accommodating groove is formed by hollowing out the upper surface of the shell;

the unlocking component is arranged at the other end of the handle; the locking and unlocking device is used for locking and unlocking the handle and the shell;

the lock cylinder assembly comprises a first lock cylinder device and a second lock cylinder device; the first lock cylinder device is matched with the second lock cylinder device, so that locking and unlocking of the cabinet door are realized;

the first lock cylinder device comprises a first lock tongue and a first driving device; the first driving device is provided with a jack for inserting a key; and the key is rotated to drive the first driving device to rotate, and the first driving device rotates to drive the first lock tongue to rotate, so that the first lock tongue is locked with the second lock cylinder device or unlocked with the second lock cylinder device.

2. The cabinet door lock of claim 1, wherein the unlocking assembly comprises a button, a latch, and a reset; wherein,,

3. The cabinet door lock of claim 2, wherein the unlocking assembly further comprises a connecting shaft; the two ends of the connecting shaft are respectively and fixedly connected to the handle; the button is provided with a long hole corresponding to the connecting shaft, and the length direction of the long hole is perpendicular to the plane where the upper surface of the handle is positioned; the lock catch is provided with a shaft hole corresponding to the connecting shaft.

4. The cabinet door lock of claim 2, wherein the return member is a spring.

5. The cabinet door lock of claim 1, wherein the second lock cylinder means comprises a second lock tongue and a second drive means; the second driving device comprises a power supply device, a driving motor, a screw rod and a driving spring; the power supply device is electrically connected with the driving motor; one end of the screw is in transmission connection with the driving motor, and the other end of the screw is fixedly connected with the driving spring; one end of the second lock tongue is fixedly connected with the driving spring, and the other end of the second lock tongue is used for locking the first lock cylinder device or unlocking the second lock cylinder device.

6. The cabinet door lock of claim 5, further comprising a control assembly; the control assembly comprises an induction magnet and a reed switch; the induction magnet is arranged in the handle; the reed switch is arranged in the shell and corresponds to the position of the induction magnet; the reed switch is used for sensing the position of the sensing magnet and controlling the rotation direction of the driving motor according to the position of the sensing magnet so as to control the movement direction of the second lock tongue.

7. The cabinet door lock of claim 5, wherein the handle is further provided with a charging interface; one end of the charging interface is electrically connected with the power supply device, and the other end of the charging interface is electrically connected with an external power supply.

8. The cabinet door lock of claim 1, further comprising a wake-up component; for waking up said second cylinder means.