CN206707465U - a cabinet lock - Google Patents

Abstract

The utility model discloses a cabinet lock, which comprises a mounting seat (1) fixed with a cabinet door, a main locking plate (21) arranged in the cabinet and a handle (3) arranged outside the cabinet, wherein the mounting seat (1) is provided with a rotating shaft hole (11) communicated with the inside and the outside of the cabinet, a rotating shaft (4) which can rotate in the rotating shaft hole (11) and is used for connecting the main locking plate (21) and the handle (3) so as to enable the main locking plate (21) and the handle (3) to coaxially rotate is arranged in the rotating shaft hole (11), the main locking plate (21) is provided with a locking lug boss (211) which can be clamped on a door frame to lock the cabinet door when rotating, the mounting seat (1) is provided with a locking structure which can limit the rotation of the handle (3) when the locking lug boss (211) locks the cabinet door, the handle (3) can be held during operation, and the rotating handle (3) drives the locking lug boss (211) to rotate to unlock or lock, the handle (3) is relatively long, and the torque force required for rotating the handle (3) is small, so that the handle is convenient for a user to operate.

Description

a cabinet lock

【Technical field】

The utility model relates to a cabinet lock.

【Background technique】

The locks for handover cabinets widely used in the market are generally inserted into the keyhole through a mechanical key, and the key is turned to drive the lock plate to rotate to unlock and lock. This unlocking method often requires a relatively large torque, which is likely to cause the key to be twisted and deformed. It may even be broken, and the fingers holding the key need to apply a lot of force, which is easy to twist and hurt the fingers.

In addition, there are two types of cabinet doors and cabinet walls: left-opening (cabinet door on the left, cabinet wall on the right) and right-opening (cabinet door on the right, cabinet wall on the left) according to different application scenarios. The locks for transfer cabinets are generally divided into two types: left-opening structure and right-opening structure, and the locks for the transfer cabinet with the left-opening door structure are difficult to apply to the transfer cabinet with the right-opening door, and the locks for the transfer cabinet with the right-opening door structure are difficult to apply to the left. The transfer cabinet with the door opening method has poor versatility.

The utility model is made based on this situation.

【Content of utility model】

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a cabinet lock with simple structure, convenient operation and small applied force to open the door.

The utility model is achieved through the following technical solutions:

A cabinet lock, characterized in that it includes a mounting base fixed to the cabinet door, a main locking plate inside the cabinet and a handle outside the cabinet, the mounting base is provided with a shaft hole connecting the inside and outside of the cabinet, the The rotating shaft hole is pierced with a rotating shaft that can rotate in the rotating shaft hole and is used to connect the main locking plate and the handle so that the main locking plate and the handle rotate coaxially together. On the door frame, there is a locking boss that locks the cabinet door, and the mounting base is provided with a locking structure that can limit the rotation of the handle when the locking boss locks the cabinet door.

A cabinet lock as described above is characterized in that: the locking structure includes a retractable telescopic shaft arranged in the mounting seat, and an unlocking device capable of controlling the telescopic shaft to telescopically extend and contract, and the handle is provided with a protruding The handle boss is provided with a locking hole capable of cooperating with the telescopic shaft so as to limit the rotation of the handle.

A cabinet lock as described above is characterized in that: a rotating boss protrudes from the rotating shaft, and a side lug sandwiching the rotating boss is provided at one end of the handle, and the rotating boss and the side ear are hingedly connected. And the handle can swing outward relative to the mounting seat.

The above-mentioned cabinet lock is characterized in that: a torsion spring capable of ejecting the handle outward is provided between the rotating boss and the handle.

The above-mentioned cabinet lock is characterized in that: the mounting base is provided with a handle groove for burying the handle when the locking boss locks the cabinet door.

The above-mentioned cabinet lock is characterized in that: the unlocking device includes an electromagnet base arranged in the mounting seat and used for installing the telescopic shaft, and the electromagnet base is electrically connected with a motor for controlling the electromagnet base. Block work circuit board.

A cabinet lock as described above is characterized in that: a detachable reversing piece that rotates coaxially with the rotating shaft is provided between the main locking plate and the rotating shaft, and the reversing piece is provided with left and right reversing teeth. The rotating shaft is provided with a square boss, the commutator piece is provided with a square hole matched with the square boss, and the mounting base is provided with a protruding ring extending into the cabinet outside the hole of the rotating shaft, and the protruding ring There are left and right reversing slots on the top that can make the left and right reversing teeth snap in when the reversing plate is rotated and the square boss is installed.

A cabinet lock as described above is characterized in that: the main locking plate is provided with a driving boss, and the cabinet lock also includes secondary locking plates hingedly connected to the upper and lower parts of the cabinet door respectively, and the secondary locking plate There is a connecting rod between the plate and the driving boss, which is used to connect the two and drive the auxiliary locking plate to rotate when the driving boss rotates. Turning the main locking plate locks and drives the auxiliary locking plate to move from the upper and lower parts of the cabinet door simultaneously. locked.

A cabinet lock as described above is characterized in that: the mounting base is located inside the cabinet and is provided with a mounting cover that cooperates with the mounting base to fix the mounting base on the cabinet door.

A cabinet lock as described above is characterized in that: the mounting base is provided with a waterproof pad on one side of the cabinet door for waterproofing.

Compared with the prior art, the utility model has the following advantages:

1. When the utility model is operated, the handle can be held by hand, and the handle is turned to drive the locking boss to rotate to unlock or lock. The handle is relatively long, and the torque required to turn the handle is very small, which is convenient for the user to operate.

2. In the utility model, the telescopic shaft is controlled by the unlocking device to extend into the locking hole to lock the handle and limit the rotation of the handle, so that after the locking boss locks the cabinet door, the main locking plate cannot rotate and achieves the locking effect of the cabinet. The purpose is that the structure is simple, and the force required to control the expansion and retraction of the telescopic shaft is relatively small and easy to operate.

3. In the utility model, the rotating boss and the side ear are hingedly connected so that the handle can swing outward relative to the mounting seat, and the handle is turned outward around the rotating boss, so that the handle is easy to hold by hand, so that it is convenient for left and right Turn the handle.

4. A torsion spring that can eject the handle outward is provided between the rotating boss and the handle described in the utility model, so that after the telescopic shaft releases the locking of the handle boss, the handle can be ejected outward to prevent the telescopic shaft from re-opening. It is inserted into the locking hole and is easy to grasp by hand.

5. The linkage structure of the main locking plate and the auxiliary locking plate of the utility model enables the cabinet to be locked simultaneously from the side, the upper part and the lower part, making the cabinet more secure, and the side, upper and lower parts can be controlled simultaneously through the handle. Simultaneous locking and unlocking in all directions, easy operation and simple structure.

6. The utility model cooperates with the reversing piece and the reversing groove, so that the cabinet lock can be applied to the cabinet with the left door (the cabinet door is on the left, the cabinet wall is on the right) and the cabinet with the right door (cabinet The door is on the right, and the cabinet wall is on the left), with good universal performance.

【Description of drawings】

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail, wherein:

Fig. 1 is the explosion diagram of a kind of cabinet lock of the present utility model;

Fig. 2 is a sectional view of a cabinet lock of the present utility model;

Fig. 3 is a structural schematic diagram of the cabinet lock applied to the handover cabinet in the left-opening mode in a locked state;

Fig. 4 is a structural schematic diagram of the cabinet lock applied to the transfer cabinet in the left-opening mode in an unlocked state;

Fig. 5 is a schematic diagram of the combination of the reversing piece and the reversing slot when the cabinet lock applied to the transfer cabinet in the right-hand opening mode is in the locked state;

Fig. 6 is a schematic diagram of the combination of the reversing piece and the reversing slot when the cabinet lock applied to the transfer cabinet in the left-opening mode is in the locked state;

Fig. 7 is a combined schematic view of the main locking plate and the auxiliary locking plate.

【detailed description】

Below in conjunction with accompanying drawing, the utility model will be further described:

A kind of cabinet lock as shown in Fig. 1 to Fig. 7, comprises the mounting seat 1 that is fixed with the cabinet door, and the main locking plate 21 that is arranged in the cabinet and the handle 3 that is arranged on the outside of the cabinet, and the mounting seat 1 is provided with There is a shaft hole 11 connecting the inside and outside of the cabinet. The shaft hole 11 is pierced with a shaft that can rotate in the shaft hole 11 and is used to connect the main locking plate 21 and the handle 3 so that the main locking plate 21 and the handle 3 rotate coaxially. Rotating shaft 4, the main locking plate 21 is provided with a locking boss 211 that can be stuck on the door frame to lock the cabinet door when rotating, and the mounting seat 1 is provided with a locking boss 211 that locks the cabinet door. The locking structure that can limit the rotation of the handle 3 can hold the handle 3 during operation, and the rotation of the handle 3 drives the locking boss 211 to rotate to unlock or lock. The handle 3 is relatively long, and the torque required to rotate the handle 3 is very large. Small, easy for users to operate.

The locking structure includes a retractable telescopic shaft 72 arranged in the mounting base 1, and an unlocking device capable of controlling the telescopic shaft 72 to expand and contract. The handle 3 is provided with a protruding handle boss 31, and the handle The boss 31 is provided with a locking hole 311 that can cooperate with the telescopic shaft 72 so as to limit the rotation of the handle 3. The unlocking device includes an electromagnet base 71 that is arranged in the mounting seat 1 and is used for installing the telescopic shaft 72. The electromagnet base 71 is electrically connected with the circuit board 5 for controlling the operation of the electromagnet base 71, and the mounting base 1 is also provided with the insertion hole 13 for the handle boss 31 to enter the telescopic shaft 72, and the handle is turned 3 Make the locking boss 211 in the locked position, the handle boss 31 extends into the mounting seat 1 from the insertion hole 13, and the telescopic shaft 72 is controlled by the electromagnet base 71 to extend into the locking hole 311 to lock the handle 3, The rotation of the handle 3 is limited, so that after the locking boss 211 locks the cabinet door, the main locking plate 21 cannot rotate, so as to achieve the purpose of locking the cabinet. The force is relatively small and easy to operate. The unlocking device 71 may be a mechanical key structure.

The cabinet lock also includes a protection box 10 for installing the circuit board 5 , and the protection box 10 is provided with a battery mounting seat 101 electrically connected to the circuit board 5 and used for installing a battery.

A rotating boss 41 protrudes from the rotating shaft 4, and one end of the handle 3 is provided with a side ear 32 sandwiching the rotating boss 41. The rotating boss 41 and the side ear 32 are hingedly connected so that the handle 3 can be opposite to each other. The mounting base 1 swings outwards, and the handle 3 is turned outwards around the rotating boss 41, so that the handle 3 is easy to hold by hand, so that it is convenient to turn the handle 3 left and right.

A torsion spring 3a capable of ejecting the handle 3 is provided between the rotating boss 41 and the handle 3, so that after the telescopic shaft 72 releases the locking of the handle boss 31, the handle 3 can be ejected outward, preventing the telescopic shaft from 72 is inserted into the locking hole 311 again, and it is convenient for people to grasp.

The mounting base 1 is provided with a handle groove 14 for burying the handle 3 when the locking boss 211 locks the cabinet door, so as to protect the handle 3 .

Between the main locking plate 21 and the rotating shaft 4, there is a detachable reversing piece 8 that rotates coaxially with the rotating shaft 4. The reversing piece 8 is provided with left and right reversing teeth 81, and the rotating shaft 4 is provided with There is a square boss 42, the commutator piece 8 is provided with a square hole 82 matching with the square boss 42, and the installation seat 1 is located outside the rotating shaft hole 11 and is provided with a convex ring 16 extending into the cabinet. The protruding ring 16 is provided with a left and right reversing groove 161 that can make the left and right reversing teeth 81 snap in when the reversing piece 8 rotates 90 degrees and the square boss 42 is installed. Left, cabinet wall is on the right) When switching to a cabinet with a right-opening door (the cabinet door is on the right, and the cabinet wall is on the left), the installation method of other parts does not change, as long as the commutator piece 8 is rotated 90 degrees and the square boss 42 Install, and snap the left and right reversing teeth 81 into the left and right reversing slots 161.

The main locking plate 21 is provided with a driving boss 212, and the cabinet lock also includes a secondary locking plate 22 that is hingedly connected to the upper and lower parts of the cabinet door. There is a connecting rod 23 for connecting the two and driving the auxiliary locking plate 22 to rotate when the driving boss 212 rotates, and the main locking plate 21 is rotated to lock so as to drive the auxiliary locking plate 22 to lock simultaneously from the upper and lower parts of the cabinet door. The cabinet can be locked simultaneously from the side, the upper part and the lower part, making the cabinet more secure, and the handle 3 can simultaneously control the simultaneous locking and unlocking of the side, upper and lower three directions, which is easy to operate and simple in structure.

The mounting base 1 is located in the cabinet and is provided with a mounting cover 1a that cooperates with the mounting base 1 to fix the mounting base 1 on the cabinet door, and the mounting base 1 is fixed on the cabinet door through the mounting cover 1a from the inside of the cabinet. This makes the connection between the mounting base 1 and the cabinet door more reliable.

The mounting base 1 is provided with a waterproof pad 17 for waterproofing on one side of the cabinet door to prevent rainwater from entering the mounting base 1 to cause corrosion and short circuit of the circuit system.

Claims (10)

1. A kind of 1. machinery cabinet lock, it is characterised in that：Including the mounting seat (1) fixed with cabinet door, and the main lock being located in rack Fixed board (21) and the handle (3) being located on the outside of rack, the shaft hole (11) being communicated with the mounting seat (1) inside and outside rack, Be equipped with the shaft hole (11) can be rotated in shaft hole (11) and for connect main lockplate (21) and handle (3) from And the rotating shaft (4) for making winner's lockplate (21) and handle (3) rotate coaxially together, described main lockplate (21), which is provided with, to be turned It can be stuck in when dynamic on doorframe so as to which the locking boss (211) for locking cabinet door, the mounting seat (1) are provided with lock tab Platform (211) can limit gate lock for cabinet timing the upper lock construction of handle (3) rotation.
2. A kind of 2. machinery cabinet lock according to claim 1, it is characterised in that：Described upper lock construction includes being located at mounting seat (1) telescopic shaft (72) that is interior and can stretching, and the flexible tripper of telescopic shaft (72), the handle (3) can be controlled The handle boss (31) of protrusion is provided with, the handle boss (31) is provided with and can be engaged with telescopic shaft (72) so as to limit The lock hole (311) that handle (3) rotates.
3. A kind of 3. machinery cabinet lock according to claim 2, it is characterised in that：The rotating shaft (4) is protruding with rotating boss (41), described handle (3) one end is provided with picks up the ears (32) by what rotating boss (41) was clipped in the middle, the rotating boss (41) and side Ear (32) hinge is dynamic to be connected and causes handle (3) to be mounted opposite seat (1) and swing out.
4. A kind of 4. machinery cabinet lock according to claim 3, it is characterised in that：Described rotating boss (41) and handle (3) it Between be provided with can be by torsion spring (3a) that handle (3) are outwards ejected.
5. A kind of 5. machinery cabinet lock according to claim 4, it is characterised in that：The mounting seat (1) is provided with locking boss (211) gate lock for cabinet timing is used for the handle slot (14) of handle (3) embedment.
6. A kind of 6. machinery cabinet lock according to any one of claim 2 to 5, it is characterised in that：Described tripper includes The electromagnet pedestal (71) for installing telescopic shaft (72) is located in mounting seat (1) and be used for, is electrically connected on the electromagnet pedestal (71) It is connected to the circuit main board (5) for controlling electromagnet pedestal (71) to work.
7. A kind of 7. machinery cabinet lock according to any one of claim 1 to 5, it is characterised in that：The main lockplate (21) and Commutator segment (8) that is dismountable and being rotated coaxially with rotating shaft (4) is provided between rotating shaft (4), the commutator segment (8) is provided with left and right Commutating tooth (81), the rotating shaft (4) are provided with square boss (42), and the commutator segment (8) is provided with and square boss (42) phase The square opening (82) of cooperation, the bulge loop (16) stretched into rack, institute are provided with the mounting seat (1) on the outside of shaft hole (11) Left and right commutating tooth (81) can be caused when commutator segment (8) rotates 90 degree and square boss (42) is installed by stating bulge loop (16) and being provided with The left and right reversing groove (161) being caught in.
8. A kind of 8. machinery cabinet lock according to any one of claim 1 to 5, it is characterised in that：On the main lockplate (21) Provided with driving boss (212), the machinery cabinet lock also includes the secondary lockplate for cutting with scissors dynamic connection with cabinet door upper and lower part respectively (22), it is provided between the secondary lockplate (22) and driving boss (212) and is used to connect the two and turns in driving boss (212) The connecting rod (23) for driving secondary lockplate (22) to rotate when dynamic, rotate the main lockplate (21) and lock so as to drive secondary lockplate (22) locked simultaneously from cabinet door upper and lower part.
9. A kind of 9. machinery cabinet lock according to claim 1, it is characterised in that：It is provided with the mounting seat (1) in rack Coordinate with mounting seat (1) so as to which mounting seat (1) to be fixed on to the installation lid (1a) in cabinet door.
10. A kind of 10. machinery cabinet lock according to claim 1, it is characterised in that：Positioned at cabinet door in described mounting seat (1) Side is provided with the collision mat (17) for waterproof.