CN108915421A - Cabinet door lock - Google Patents

Abstract

The invention discloses a cabinet door lock, which comprises a shell, a lock cylinder component, a handle and an unlocking component, wherein the lock cylinder component is arranged on the shell; the upper surface of the shell is provided with a containing groove for containing the handle; the lock core assembly is positioned in the shell and used for realizing locking and unlocking of the cabinet door; one end of the handle is connected with the lock cylinder assembly, and the handle can be contained in the containing groove or be separated from the containing groove; the unlocking assembly is arranged at the other end of the handle; the handle is used for realizing locking and unlocking of the handle and the shell. According to the technical scheme, the unlocking assembly of the unlocking handle is arranged on the handle, so that the unlocking assembly does not occupy the space of the handle any more, and the length of the handle can be effectively increased to facilitate the holding of a user; and because the unblock subassembly sets up on the handle, can effectively prevent violence from tearing open by force, and then effectively promoted the security of rack.

Description

Cabinet door lock

technical field

The invention relates to a lock, in particular to a cabinet door lock.

Background technique

At present, the switch of the handle of the traditional cabinet door lock adopts a buckle structure. The buckle button is designed on the outer shell of the lock body. Since the buckle button needs to reserve a space for rotation, it takes up a lot of space in the lock body. And then cause the handle to be relatively short, which is inconvenient for the user to hold. Moreover, the existing buckle button is relatively easy to be pried open by tools such as flathead screws, and the safety is relatively weak.

Contents of the invention

The main purpose of the present invention is to provide a cabinet door lock, which aims at effectively increasing the length of the handle so as to be easily held by the user.

In order to achieve the above purpose, the present invention proposes a cabinet door lock, including a housing, a lock cylinder assembly, a handle, and an unlocking assembly; wherein,

An accommodating groove for accommodating the handle is provided on the upper surface of the housing;

The lock cylinder assembly is located in the housing and is used to lock and unlock the cabinet door;

One end of the handle is connected to the lock cylinder assembly, and the handle can be accommodated in the accommodating groove, or come out of the accommodating groove;

The unlocking component is installed on the other end of the handle; it is used to realize the locking and unlocking of the handle and the shell.

Optionally, the unlocking component includes a button, a lock, and a reset member; wherein,

The button is slidably connected to the handle, so that the button can move in a direction perpendicular to the plane where the upper surface of the handle is located;

The lock is located below the button, and it includes an abutting portion, a connecting portion, and a hook portion; the abutting portion abuts against the button; the connecting portion is rotationally connected with the handle; the The hook part is adapted to the protruding part provided on the shell; when the button moves down, the lock catch is driven to rotate forward, and the hook part is separated from the protruding part, thereby realizing the Unlocking the handle and the shell;

One end of the reset member is connected to the handle, and the other end is connected to the lock buckle; it is used to drive the lock buckle to reversely rotate, so that the hook part and the protrusion part are snapped together, thereby realizing The lock between the handle and the shell.

Optionally, the unlocking assembly further includes a connecting shaft; both ends of the connecting shaft are respectively 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 vertical On the plane where the upper surface of the handle is located; the lock is provided with a shaft hole corresponding to the connecting shaft.

Optionally, the reset member 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 cooperates with the second lock cylinder device, thereby realizing the locking and closing of the cabinet door. unlock.

Optionally, the first lock cylinder device includes a first deadbolt and a first driving device; the first driving device is provided with a socket for a key to be inserted; turning the key to drive the first driving device Rotation, the rotation of the first driving device drives the rotation of the first lock tongue, so that the first lock tongue is locked to the second lock cylinder device, or unlocked from the second lock cylinder device.

Optionally, the second lock cylinder device includes a second deadbolt and a second drive device; the second drive device includes a power supply device, a drive motor, a screw, and a drive spring; the power supply device and the drive motor Electromechanical connection; one end of the screw is connected to the driving motor, and the other end is fixedly connected to the driving spring; one end of the second bolt is fixedly connected to the driving spring, and the other end is used to lock with the first A lock cylinder device, or unlocked with said first lock cylinder device.

Optionally, the cabinet door lock further includes a control assembly; the control assembly includes an induction magnet and a reed switch; the induction magnet is arranged in the handle; the reed switch is arranged in the housing, and Corresponding to the position of the induction magnet; the reed switch is used to sense the position of the induction magnet, and control the rotation direction of the driving motor according to the position of the induction magnet, so as to control the direction of motion.

Optionally, a charging interface is also provided on the handle; one end of the charging interface is electrically connected to the power supply device, and the other end is used to electrically connect to an external power supply.

Optionally, the cabinet door lock further includes a wake-up component for waking up the second lock cylinder device.

In the technical solution of the present invention, by arranging the unlocking component of the unlocking handle on the handle, the unlocking component no longer occupies the space of the handle, and the length of the handle can be effectively increased to facilitate the user to hold it; and since the unlocking component is set on the handle, It can effectively prevent violent demolition, thereby effectively improving the safety of the cabinet.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative effort.

Fig. 1 is a three-dimensional structural schematic diagram of an embodiment of the cabinet door lock of the present invention;

Fig. 2 is a schematic cross-sectional structure diagram of an embodiment of the cabinet door lock shown in Fig. 1;

Fig. 3 is a three-dimensional structural schematic diagram of an embodiment of the button shown in Fig. 2;

FIG. 4 is a schematic perspective view of the three-dimensional structure of an embodiment of the lock shown in FIG. 2 .

The realization of the purpose of the present invention, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

The invention provides a cabinet door lock.

As shown in FIGS. 1 and 2 , FIG. 1 is a schematic three-dimensional structure diagram of an embodiment of the cabinet door lock of the present invention; FIG. 2 is a schematic cross-sectional structure diagram of an embodiment of the cabinet door lock shown in FIG. 1 .

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

An accommodating groove (not shown) for accommodating the handle 300 is formed on the upper surface of the housing 100 .

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

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

Specifically, the lock cylinder assembly 200 includes a first lock cylinder device 220 and a second lock cylinder device 240; the first lock cylinder device 220 cooperates with the second lock cylinder device 240 to realize the lock of the cabinet door. locking and unlocking. in,

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 socket 225 for inserting a key (not shown). Insert and turn the key to drive the first driving device 224 to rotate. The rotation of the first driving device 224 drives the rotation of the first lock tongue 222, so that the position of the first lock tongue 222 is changed, so that the first lock tongue 222 is locked to the second lock cylinder device 240 , or unlock with 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 to the drive motor 245; one end of the screw 246 is connected to the drive motor 245, and the other end is fixedly connected to the drive spring 247; one end of the second bolt 242 is connected to the drive The spring 247 is fixedly connected, and the other end is used for locking with the first lock cylinder device 220 or unlocking with the first lock cylinder device 220 .

In this embodiment, the soft connection between the screw rod 246 and the second bolt 242 is realized through the driving spring 247, and the resistance is relatively small; when the second bolt 242 is resisted, the The driving spring 247 will be stretched, but the driving motor 245 will not stall. And in the specific installation, the two ends of the screw rod 246 are smooth cylinders, when the driving spring 247 is driven to the front end or the end of the screw rod 246 by the small ring on the thread of the screw rod 246, the The driving spring 247 will disengage from the thread, resulting in idling. This idling can not only protect the driving motor 245, but also ensure that the screw rod 246 and the driving spring 247 will not be damaged due to the locked-rotor force.

The locking together of the first lock cylinder device 220 and the second lock cylinder device 240 specifically means that the first lock tongue 222 and the second lock tongue 242 are interlocked. The specific unlocking method is as follows:

Unlocking method 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 buckled state. The position of the first lock tongue 222 of the first lock cylinder device 220 remains unchanged. The driving motor 245 drives the screw 246 to rotate. When the screw rod 246 rotates, the driving spring 247 is twisted. The driving spring 247 contracts under the torsion provided by the screw rod 246 (that is, moves toward the direction close to the driving motor 245 ), thereby driving the second locking tongue 242 to move away from the first locking tongue 222 The direction of moving, so that the second lock tongue 242 is separated from the first lock tongue 222, and then realizes the unlocking operation.

This method realizes the intelligent operation of the cabinet door lock, and the operation is simple and convenient. And the trigger mode of the second lock cylinder device 240 can be: card swiping, fingerprint, face recognition and other intelligent ways, which brings a new unlocking experience to the user.

Since the second lock cylinder device 240 needs to be equipped with a power supply device, the existing power supply device is generally a battery, preferably a rechargeable battery. Considering that the second lock cylinder device 240 may fail to work due to the exhaustion of the power supply device, the present invention sets the first lock cylinder device 220 as a mechanical lock cylinder. The following unlocking methods are then provided:

Unlocking method 2: 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 buckled state. The position of the second lock tongue 242 of the second lock cylinder device 240 remains unchanged. Insert the key into the socket 225 and twist the key. When the key is turned, the first driving device 224 is driven to turn. The rotation of the first driving device 224 drives the rotation of the first locking tongue 222, so that the position of the first locking tongue 222 is changed (rotating toward the direction away from the second locking tongue 242), so that the first locking tongue 222 The lock tongue 222 is misaligned with the second lock tongue 242 to realize the unlocking operation.

Further, in order to avoid the situation that the second lock cylinder device 240 cannot work due to the exhaustion of the power supply device. In the present invention, a charging interface is also provided on the handle 300; one end of the charging interface is electrically connected to the power supply device, and the other end is used to electrically connect to an external power source, thereby charging the power supply device. 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 by a charging device of a power bank.

One end of the handle 300 is connected to the lock cylinder assembly 200 through a rotating shaft 302 so that the handle 300 can rotate around the rotating shaft. The other end of the handle 300 can be snap-connected with the unlocking component 400 , or can move freely.

Specifically, when the other end of the handle 300 is accommodated in the accommodating groove, it is snap-connected with the unlocking assembly 400; when the other end of the handle 300 comes out of the accommodating groove, It is free to move, and the user can hold and turn the handle 300 .

The unlocking assembly 400 is installed on the other end of the handle 300 ; it is used for locking and unlocking the handle 300 and the housing 100 .

Specifically, as shown in FIG. 3 and FIG. 4 , and with reference to the drawings and FIG. 2 , the unlocking assembly 400 includes a button 420 , a lock 440 , and a reset member 460 . Wherein, the button 420 is slidingly connected with the handle 300 so that the button 420 can move in a direction perpendicular to the plane where the upper surface of the handle 300 is located. The lock 440 is located below the button 420 and includes an abutting portion 442 , a connecting portion 444 , and a hook portion 446 ; the abutting portion 442 abuts against the button 420 ; the connecting portion 444 abuts against the button 420 . The handle 300 is rotationally connected; the hook portion 446 is adapted to the protruding portion 120 provided on the housing 100; when the button 420 moves downward, the lock 440 is driven to rotate forward, so The hook portion 446 is separated from the protruding portion 120 , so as to realize the unlocking of the handle 300 and the housing 100 . One end of the reset member 460 (preferably a spring) is connected to the handle 300, and the other end is connected to the lock 440; it is used to drive the lock 440 to rotate in reverse, so that the hook portion 446 is connected to the lock 440. The protruding parts 120 are snapped together, thereby realizing the locking of the handle 300 and the housing 100 .

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

When unlocking, downward pressure is applied to the button 420 , and when the button 420 receives downward pressure, the button 420 moves downward to press the abutting portion 442 . When the abutting portion 442 is stressed, the lock 440 rotates around the connecting shaft, and the hook portion 446 is separated from the protruding portion 120 provided on the housing 100 , thereby realizing the lock of the handle 300 . unlock. After the handle 300 is unlocked, it pops up to realize the free movement of the handle 300 . After the unlocking is completed, the pressure applied to the button 420 disappears, the lock 440 rotates under the action of the reset member 460, and the abutting portion 442 pushes up the button 420, so that the button The upper surface of 420 is flush with the upper surface of the handle 300 .

When locking, press the other end (that is, the free end) of the handle 300 toward the accommodating groove, and after being pressed in place, the hook portion 446 is snapped together with the protruding portion 120 to realize Locking of the handle 300.

In the technical solution of this embodiment, by disposing the unlocking component 400 of the unlocking handle 300 on the handle 300, the unlocking component 400 no longer occupies the space of the handle 300, 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, which can effectively prevent violent demolition, thereby effectively improving the safety of the cabinet.

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 to sense the position of the induction magnet 520 , and control the rotation direction of the driving motor 245 according to the position of the induction magnet 520 , so as to control the movement direction of the second locking tongue 242 .

In this embodiment, the control of the second lock cylinder device 240 is realized through the induction magnet 520 and the reed switch 540. Compared with the existing physical button control, in this embodiment, the induction magnet 520 is in a non-contact state with the reed switch 540, which is more reliable and durable. Moreover, the reed switch 540 can be completely sealed in the housing 100 , so as to realize effective waterproof and dustproof.

The wake-up component 600 is used to wake up the second lock cylinder device 240 . The wake-up component 600 can also be realized by using a magnet (not shown) and a reed switch (not shown). Through the setting of the wake-up component 600, the second lock cylinder device 240 in sleep can be woken up, and then the unlocking operation can be realized. The sleep setting of the second lock cylinder device 240 can effectively reduce the power consumption speed of the power supply device and effectively prolong the service life of the second lock cylinder device 240 .

Specifically, in this embodiment, the wake-up device 600 drives the magnet to move through the sliding button 602, thereby adjusting the relative position between the magnet and the reed switch.

The above is only a preferred embodiment of the present invention, and does not therefore limit the patent scope of the present invention. Under the inventive concept of the present invention, the equivalent structural transformation made by using the description of the present invention and the contents of the accompanying drawings, or direct/indirect use All other relevant technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. A cabinet door lock, characterized in that it comprises a housing, a lock cylinder assembly, a handle, and an unlocking assembly; wherein, An accommodating groove for accommodating the handle is provided on the upper surface of the housing; The lock cylinder assembly is located in the housing and is used to lock and unlock the cabinet door; One end of the handle is connected to the lock cylinder assembly, and the handle can be accommodated in the accommodating groove, or come out of the accommodating groove; The unlocking component is installed on the other end of the handle; it is used to realize the locking and unlocking of the handle and the shell. 2. The cabinet door lock according to claim 1, wherein the unlocking component comprises a button, a lock catch, and a reset member; wherein, The button is slidably connected to the handle, so that the button can move in a direction perpendicular to the plane where the upper surface of the handle is located; The lock is located below the button, and it includes an abutting portion, a connecting portion, and a hook portion; the abutting portion abuts against the button; the connecting portion is rotationally connected with the handle; the The hook part is adapted to the protruding part provided on the shell; when the button moves down, the lock catch is driven to rotate forward, and the hook part is separated from the protruding part, thereby realizing the Unlocking the handle and the shell; One end of the reset member is connected to the handle, and the other end is connected to the lock buckle; it is used to drive the lock buckle to reversely rotate, so that the hook part and the protrusion part are snapped together, thereby realizing The lock between the handle and the shell. 3. The cabinet door lock according to claim 2, wherein the unlocking assembly further comprises a connecting shaft; both ends of the connecting shaft are respectively fixedly connected to the handle; the button is set corresponding to the connecting shaft There is a long hole, and the length direction of the long hole is perpendicular to the plane where the upper surface of the handle is located; the lock is provided with a shaft hole corresponding to the connecting shaft. 4. The cabinet door lock according to claim 2, wherein the reset member is a spring. 5. The cabinet door lock according to claim 1, wherein the lock cylinder assembly comprises a first lock cylinder device and a second lock cylinder device; the first lock cylinder device and the second lock cylinder device cooperate to realize the locking and unlocking of the cabinet door. 6. The cabinet door lock according to claim 5, wherein the first lock cylinder device comprises a first deadbolt and a first driving device; the first driving device is provided with a jack for inserting a key; Turning the key to drive the first driving device to rotate, the rotation of the first driving device drives the rotation of the first lock tongue, so that the first lock tongue is locked to the second lock cylinder device, Or unlock with the second lock cylinder device. 7. The cabinet door lock according to claim 5, wherein the second lock cylinder device includes a second deadbolt and a second driving device; the second driving device includes a power supply device, a driving motor, and a screw rod, and the drive spring; the power supply device is electrically connected to the drive motor; one end of the screw is connected to the drive motor, and the other end is fixedly connected to the drive spring; one end of the second bolt is connected to the drive spring The other end is fixedly connected, and the other end is used to be locked to the first lock cylinder device, or to be unlocked from the first lock cylinder device. 8. The cabinet door lock according to claim 7, further comprising a control assembly; the control assembly includes an induction magnet and a reed switch; the induction magnet is arranged in the handle; the reed switch It is arranged in the housing and corresponds to the position of the induction magnet; the reed switch is used to sense the position of the induction magnet, and control the rotation direction of the driving motor according to the position of the induction magnet, so as to Control the movement direction of the second deadbolt. 9. The cabinet door lock according to claim 7, wherein the handle is further provided with a charging interface; one end of the charging interface is electrically connected to the power supply device, and the other end is used to electrically connect to an external power supply. 10. The cabinet door lock according to claim 6, further comprising a wake-up component for waking up the second lock cylinder device.