CN219012220U

CN219012220U - Antitheft lock for cabinet

Info

Publication number: CN219012220U
Application number: CN202223213899.4U
Authority: CN
Inventors: 林川
Original assignee: Fuzhou Kangxin Precision Electromechanical Co ltd
Current assignee: Fuzhou Kangxin Precision Electromechanical Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-12
Anticipated expiration: 2032-12-02

Abstract

The application discloses cabinet pickproof lock relates to the technical field of tool to lock, including the lock seat, set up the storage tank on the lock seat, the tank bottom in storage tank is connected with lock core and axis of rotation, and the lock core is equipped with the lockhole, and the axis of rotation is located the one end of storage tank and articulates there is the handle, and the other end is connected with the spring bolt coaxial pivoted with the axis of rotation, has seted up first through-hole on hand, and the lock seat still is connected with the mounting, has seted up the second through-hole that passes with the lock post of first through-hole adaptation confession padlock on the mounting, can cover the one end that the lock core was equipped with the lockhole when handle and mounting are connected. When the lockset needs to be unlocked, the padlock is unlocked firstly, then the handle is opened, the key is inserted into the lock core, and the lock core is rotated to unlock the lock tongue and the object.

Description

Antitheft lock for cabinet

Technical Field

The application relates to the technical field of locks, in particular to a cabinet anti-theft lock.

Background

As shown in fig. 1, a lock for a cabinet in the prior art comprises a lock seat, wherein a containing groove is formed in the lock seat, a lock cylinder and a rotating shaft are connected to the bottom of the containing groove, one end of the rotating shaft, which is positioned in the containing groove, is hinged with a handle, the other end of the rotating shaft is connected with a lock tongue which rotates coaxially with the rotating shaft, a sealing cover for dust prevention and water prevention is arranged on the lock cylinder, and the lock cylinder is rotated by a key to control the lock tongue to lock or unlock a door of the cabinet.

However, the lock is locked by only inserting a key into the lock cylinder, is easy to be opened by intention, and has poor anti-theft performance.

Disclosure of Invention

In order to improve the defect of poor anti-theft performance of the cabinet lockset, the application provides the cabinet anti-theft lock.

The application provides a cabinet pickproof lock adopts following technical scheme:

the utility model provides a cabinet pickproof lock, includes the lock seat, the storage tank has been seted up on the lock seat, the tank bottom in storage tank is connected with lock core and axis of rotation, the lock core is equipped with the lockhole, the axis of rotation is located the one end in storage tank and articulates there is the handle, the other end is connected with the spring bolt coaxial pivoted with the axis of rotation, first through-hole has been seted up on the handle, the lock seat still is connected with the mounting, set up on the mounting with the second through-hole that the lock post of first through-hole adaptation confession padlock passed, the handle with can be covered when the mounting is connected and establish the lock core is equipped with the one end of lockhole.

Through adopting above-mentioned technical scheme, establish the lock core with the handle lid, and handle lid establishes behind the lock core and fixes handle and lock seat with the padlock, when needs unblock tool to lock, need unlock the padlock earlier, open the handle again, insert the key in the lock core, rotate the lock core and make spring bolt and object unblock. The anti-theft performance of the lockset can be improved by using two locks.

Optionally, an envelope is arranged between the lock cylinder and the seat body, a sealing groove for accommodating the envelope is formed in the handle, a first sealing element is arranged in the sealing groove, and the handle is rotated to enable the envelope to be in interference fit with the first sealing element when the envelope is embedded into the sealing groove.

By adopting the technical scheme, the lock core can be tightly covered by the handle, and the dustproof and waterproof performance of the lockset is improved.

Optionally, the lock core is connected with the locking mechanical system who is used for locking the axis of rotation, locking mechanical system include with the axis of rotation is connected and coaxial pivoted support piece, and with the locking piece that the lock core is connected, rotate the lock core can make the locking piece keep away from or support tightly support piece.

Through adopting above-mentioned technical scheme, when rotating the axis of rotation and making the spring bolt be in the locking state with the object, rethread key rotates the lock core and makes the locking piece support tight support piece in order to lock the axis of rotation, improves the stability that the tool to lock was locked.

Optionally, the support piece is provided with a clamping part for clamping the locking piece when the lock tongue is locked.

Through adopting above-mentioned technical scheme, joint portion and locking piece joint can be more stable to restrict the rotation of axis of rotation to further improve the stability of tool to lock closure.

Optionally, a stirring block is arranged at one end of the lock cylinder away from the lock hole, a connecting groove for the stirring block to move is arranged on the locking piece, and when the stirring block rotates to be far away from the supporting piece, the locking piece is separated from the clamping part; when the stirring block rotates to be close to the supporting piece, the lock tongue locking piece is clamped with the clamping part.

By adopting the technical scheme, the key is inserted into the lock core, and the key is rotated to drive the stirring block to rotate, so that the locking piece is driven to be far away from or abutted against the supporting piece.

Optionally, the locking member is connected with a second elastic member for driving the locking member to approach the supporting member.

By adopting the technical scheme, the rotary poking block is abutted with the groove wall of the connecting groove to pull the locking piece to be separated from the supporting piece; when the stirring block is rotated to separate the stirring block from the groove wall of the connecting groove, the second elastic piece drives the locking piece to abut against the supporting piece.

Optionally, the tank bottom of holding groove has seted up the wearing groove, the mounting is including wearing to establish the wearing groove is located locking part in the holding groove, and with the connecting portion that locking mechanism connects, connecting portion are fixed with the round pin axle, set up on the locking piece supplies the strip hole that the round pin axle worn to establish when sliding.

By adopting the technical scheme, the shaft pin connected with the fixing piece can enable the locking piece to be more stable when sliding.

Optionally, the connecting part is provided with a sleeve for the rotating shaft to pass through corresponding to the rotating shaft.

Through adopting above-mentioned technical scheme, sleeve increase mounting and the area of contact of axis of rotation, it is more stable when making the axis of rotation activity, improved the structural strength of tool to lock.

Optionally, a caulking groove surrounding the sleeve opening and the locking part is formed on the abutting surface of the connecting part and the lock seat, and a second sealing piece for waterproofing is arranged in the caulking groove.

Through adopting above-mentioned technical scheme, the clearance between closure portion and the axis of rotation on mounting and the pedestal improves the leakproofness through the second sealing member, further improves the waterproof performance of tool to lock.

In summary, the present application includes at least one of the following beneficial effects:

1. when the lockset is required to be unlocked, firstly unlocking the padlock, then opening the handle, inserting a key into the lock cylinder, rotating the lock cylinder to unlock the lock tongue and the object, and using two locks can improve the anti-theft performance of the lockset;

2. the locking mechanism enables the lockset to be more stable when being locked with an object;

3. the first sealing element and the second sealing element improve the waterproof performance of the lockset.

Drawings

FIG. 1 is a schematic diagram of a prior art locker lock;

FIG. 2 is a schematic diagram of the structure of the anti-theft lock according to the embodiment of the present application;

FIG. 3 is a schematic diagram of the structure of the anti-theft lock according to the embodiment of the present application;

fig. 4 is a structural cross-sectional view of the anti-theft lock in the embodiment of the present application.

Reference numerals illustrate: 1. a lock base; 101. a receiving groove; 102. a through groove; 2. a lock core; 21. a lock hole; 22. a poking block; 3. a rotating shaft; 4. a handle; 41. a first through hole; 5. a bolt; 6. a cover; 7. a fixing member; 71. a second through hole; 72. a locking part; 73. a connection part; 74. a sleeve; 75. a caulking groove; 8. an envelope; 9. a first seal; 10. a locking mechanism; 11. a support; 111. a clamping part; 12. a locking member; 121. a connecting groove; 13. a second elastic member; 14. a shaft pin; 15. and a second seal.

Detailed Description

The present application is described in further detail below in conjunction with figures 2-4.

Referring to fig. 2, the embodiment of the application discloses a cabinet anti-theft lock, including lock seat 1, set up accommodation groove 101 on the lock seat 1, the tank bottom of accommodation groove 101 is connected with lock core 2 and axis of rotation 3, lock core 2 is equipped with lockhole 21, the one end that axis of rotation 3 is located accommodation groove 101 articulates has handle 4, the other end is connected with the spring bolt 5 with axis of rotation 3 coaxial pivoted, first through-hole 41 has been seted up on handle 4, lock seat 1 still is connected with mounting 7, set up on the mounting 7 with first through-hole 41 adaptation supply padlock's lock post pass the second through-hole 71, can cover when handle 4 is connected with mounting 7 and establish the one end that lock core 2 is equipped with lockhole 21. After the lock cylinder 2 is covered by the handle 4, the handle 4 and the lock seat 1 are fixed by using the padlock, when the lockset needs to be unlocked, the padlock needs to be unlocked firstly, then the handle 4 is opened, the key is inserted into the lock cylinder 2, the lock cylinder 2 is rotated to unlock the lock tongue 5 and an object, and the anti-theft performance of the lockset can be improved by using two locks.

Referring to fig. 2 and 3, an envelope 8 is arranged between the lock cylinder 2 and the seat body, a sealing groove for accommodating the envelope 8 is formed in the handle 4, a first sealing element 9 is arranged in the sealing groove, the first sealing element 9 can be a sealing gasket, the envelope 8 abuts against the first sealing element 9 when the handle 4 is rotated to enable the envelope 8 to be embedded into the sealing groove, the handle 4 can tightly cover the lock cylinder 2, and the dustproof and waterproof performance of the lockset is improved.

The lock cylinder 2 is connected with a locking mechanism 10 for locking the rotating shaft 3, the locking mechanism 10 comprises a supporting piece 11 connected with the rotating shaft 3 and coaxially rotating and a locking piece 12 connected with the lock cylinder 2, the locking piece 12 can be far away from or close to the supporting piece 11 by rotating the lock cylinder 2, and the supporting piece 11 is provided with a clamping part 111 for clamping the locking piece 12 when the lock tongue 5 is locked.

As a preferred embodiment, referring to fig. 4, a toggle block 22 is disposed at one end of the lock cylinder 2 away from the lock hole 21, a connecting slot 121 for the toggle block 22 to move is disposed on the locking member 12, the locking member 12 is connected with a second elastic member 13 for driving the locking member 12 to approach the supporting member 11, when unlocking is required, the locking member 12 is separated from the supporting member 11 by rotating the toggle block 22 to abut against the slot wall of the connecting slot 121 so as to pull the locking member 12, and the clamping part 111 of the locking member 12 is separated from the locking member, so that the rotation shaft 3 can be rotated to unlock the lock tongue 5; when the lock tongue 5 needs to be locked, the toggle block 22 is rotated to separate the toggle block 22 from the groove wall of the connecting groove 121, and the second elastic member 13 drives the locking member 12 to be inserted into the clamping portion 111, where the second elastic member 13 may be a tension spring connected with the outside of the locking member 12 or a compression spring located in the locking member 12.

Further, the bottom of the accommodating groove 101 is provided with a penetrating groove 102, the fixing member 7 includes a locking portion 72 penetrating the penetrating groove 102 and located in the accommodating groove 101, and a connecting portion 73 connected with the locking mechanism 10, the connecting portion 73 is fixed with a pin shaft, and the locking member 12 is provided with a bar hole for the pin shaft to penetrate when the locking member 12 slides. The connecting portion 73 is provided with a sleeve 74 for the rotating shaft 3 to pass through at a position corresponding to the rotating shaft 3, and a plurality of reinforcing ribs can be arranged around the sleeve 74. In this way, both the slipping of the locking member 12 and the rotation of the rotation shaft 3 can be more stable.

Optionally, but not limited to, the abutting surface of the connecting portion 73 and the lock base 1 is provided with a caulking groove 75 surrounding the opening of the sleeve 74 and the locking portion 72, and the caulking groove 75 accommodates a second sealing member 15 for waterproofing, and the second sealing member 15 may be an O-ring. The gap between the lock seat 1, the fixing piece 7 and the rotating shaft 3 improves the tightness through the second sealing piece 15, and further improves the waterproof performance of the lockset.

The implementation principle of the anti-theft lock for the cabinet is as follows:

when the lockset is required to be unlocked, firstly unlocking the padlock, opening the handle 4, inserting a key into the lock cylinder 2, rotating the lock cylinder 2 to separate the locking piece 12 from the supporting piece 11, and then rotating the rotating shaft 3 to separate the lock tongue 5 from an object; when the lock is locked, the rotating shaft 3 is rotated to lock the lock tongue 5 to the object, the lock cylinder 2 is rotated to insert the locking piece 12 into the clamping part 111 to lock the rotating shaft 3, and finally the handle 4 is rotated to cover the lock cylinder 2. The use of two locks can improve the anti-theft performance of the lock.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a cabinet pickproof lock, includes lock seat (1), set up accommodation groove (101) on lock seat (1), the tank bottom of accommodation groove (101) is connected with lock core (2) and axis of rotation (3), lock core (2) are equipped with lockhole (21), one end that axis of rotation (3) are located accommodation groove (101) articulates has handle (4), the other end is connected with and rotates coaxial pivoted spring bolt (5) with axis of rotation (3), its characterized in that: the handle (4) is provided with a first through hole (41), the lock seat (1) is further connected with a fixing piece (7), the fixing piece (7) is provided with a second through hole (71) which is matched with the first through hole (41) and used for allowing a lock column of a padlock to pass through, and the handle (4) can be covered with one end of the lock cylinder (2) provided with the lock hole (21) when the handle (4) is connected with the fixing piece (7).

2. A cabinet anti-theft lock according to claim 1, characterized in that: an envelope (8) is arranged between the lock cylinder (2) and the lock seat (1), a sealing groove for accommodating the envelope (8) is formed in the handle (4), a first sealing piece (9) is arranged in the sealing groove, and the handle (4) is rotated to enable the envelope (8) to abut against the first sealing piece (9) when the envelope (8) is embedded into the sealing groove.

3. A cabinet anti-theft lock according to claim 1, characterized in that: the lock cylinder (2) is connected with a locking mechanism (10) for locking the rotating shaft (3), the locking mechanism (10) comprises a supporting piece (11) which is connected with the rotating shaft (3) and coaxially rotates, and a locking piece (12) which is connected with the lock cylinder (2), and the locking piece (12) can be far away from or tightly abutted against the supporting piece (11) by rotating the lock cylinder (2).

4. A cabinet anti-theft lock according to claim 3, characterized in that: the support piece (11) is provided with a clamping part (111) for clamping the locking piece (12) when the lock tongue (5) is locked.

5. A cabinet anti-theft lock according to claim 4, wherein: one end of the lock cylinder (2) far away from the lock hole (21) is provided with a stirring block (22), the locking piece (12) is provided with a connecting groove (121) for the stirring block (22) to move, and when the stirring block (22) rotates to be far away from the supporting piece (11), the locking piece (12) is separated from the clamping part (111); when the stirring block (22) rotates to be close to the supporting piece (11), the locking piece (12) of the lock tongue (5) is clamped with the clamping part (111).

6. A cabinet anti-theft lock according to claim 3, characterized in that: the locking piece (12) is connected with a second elastic piece (13) for driving the locking piece (12) to be close to the supporting piece (11).

7. A cabinet anti-theft lock according to claim 3, characterized in that: the groove bottom of the accommodating groove (101) is provided with a penetrating groove (102), the fixing piece (7) comprises a locking part (72) penetrating through the penetrating groove (102) and positioned in the accommodating groove (101), and a connecting part (73) connected with the locking mechanism (10), the connecting part (73) is fixedly provided with a pin shaft, and the locking piece (12) is provided with a strip hole for the pin shaft to penetrate through when the locking piece (12) slides.

8. A cabinet anti-theft lock according to claim 7, characterized in that: the connecting part (73) is provided with a sleeve (74) for the rotating shaft (3) to penetrate through corresponding to the rotating shaft (3).

9. A cabinet anti-theft lock according to claim 8, characterized in that: the joint part (73) and the lock seat (1) butt surface are provided with caulking grooves (75) which surround the sleeve (74) opening and the locking part (72), and the caulking grooves (75) are internally provided with second sealing elements (15) for preventing water.