Compression type cabinet lock

Abstract

The utility model discloses a compression type cabinet lock which comprises a lock shell, a lock head is arranged at the top of the lock shell, a lock cylinder is arranged in the middle of the lock head, a limiting lock plate is arranged at the bottom of the lock shell, a positioning sleeve shell is installed in the lock shell, the outer side of the lock cylinder is sleeved with the positioning sleeve shell, a first spring is installed between the lock head and the lock cylinder, and a rotating column is arranged in the lock cylinder. An adjusting rod is connected to the top of the rotating column, an adjusting chute matched with the adjusting rod is formed in the middle of the lock cylinder, one end of the adjusting rod is slidably connected with the interior of the adjusting chute, a second spring is connected between the lock cylinder and the rotating column, a rotating head is arranged at the bottom of the lock cylinder, and a fixing bolt is in threaded connection with the bottom of the rotating column. According to the compression type cabinet lock, the whole cabinet lock is small in size and quite convenient to mount and dismount, and the compression type cabinet lock is suitable for various cabinet doors.

Description

Technical Field

[0001] The utility model relates to the field of cabinet locks, in particular to a compression cabinet lock. Background Art

[0002] A cabinet lock is used to lock a metal plate cabinet frame or a cover inside a door frame or box frame. It is a lock used to lock a cabinet or similar container, so that it can fit tightly against the edge of the cabinet door or cabinet body when locked, providing higher security and sealing. Existing cabinet locks are generally installed together with the cabinet when it is manufactured, and the size is slightly larger. A separate cabinet lock is inconvenient to install and use, and is not suitable for most cabinets. Utility Model Content

[0003] The purpose of the utility model is to provide a compression cabinet lock to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a compression cabinet lock, comprising a lock shell, a lock head is provided on the top of the lock shell, a lock core is provided in the middle of the lock head, a limiting lock plate is provided at the bottom of the lock shell, a positioning sleeve is installed inside the lock shell, the positioning sleeve is sleeved on the outside of the lock core, a first spring is installed between the lock head and the lock core, a rotating column is provided inside the lock core, an adjusting rod is connected to the top of the rotating column, an adjusting bevel matching the adjusting rod is provided in the middle of the lock core, one end of the adjusting rod is slidably connected to the inside of the adjusting bevel, a second spring is connected between the lock core and the rotating column, a rotating head is provided at the bottom of the lock core, a fixing bolt is threadedly connected to the bottom of the rotating column, and the limiting lock plate is connected to the rotating column through the fixing bolt, and a threaded external thread is provided on the surface of the middle part of the lock shell.

[0005] Preferably, an anti-slip snap ring is sleeved on the outer side of the lock housing, and a hexagonal nut is threadedly connected to the surface of the threaded outer thread, so that the hexagonal nut is convenient for fixing the lock housing on the cabinet door.

[0006] Preferably, a pressure cover plate is installed between the lock head and the top of the lock housing, the pressure cover plate matches the lock head, and a compression gasket is installed between the fixing bolt and the limiting lock plate.

[0007] Preferably, a rotating chuck is provided on the top of the lock core, and the middle part of the lock head matches the rotating chuck, so that the rotating chuck facilitates the rotation of the lock core.

[0008] Preferably, the lock core, positioning sleeve and rotating column are all located inside the lock body, a rotating head is provided at the bottom of the lock core, the rotating head extends to the outside of the lock body, and the bottom of the rotating column extends to the outside through the middle of the lock core.

[0009] Preferably, the lock housing comprises a base material layer, an anti-corrosion layer and a wear-resistant layer, the anti-corrosion layer is fixedly connected to the outer side of the base material layer, and the wear-resistant layer is fixedly connected to the side of the anti-corrosion layer away from the base material layer.

[0010] Preferably, the base material layer is made of stainless steel, the anti-corrosion layer is made of polyurethane, and the wear-resistant layer is made of epoxy resin, and the wear-resistant layer enhances wear resistance.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] During use, the lock head is pressed down by the key matching the lock head and the lock core, and the key is stuck on the rotating clamp head of the lock core. Rotating the rotating clamp head can make the lock core as a whole rotate inside the lock shell. During the rotation of the lock core, the adjusting bevel will rotate. When the adjusting bevel rotates, the height of the internal adjusting rod will change, and then the rotating column will rotate and extend, so that the limiting lock piece connected to the bottom of the rotating column will rotate, and the limiting lock piece can be stuck to the inner side of the cabinet to limit the cabinet door. The limiting lock piece is stuck tightly to the inner side of the cabinet, so that the cabinet door cannot be opened. The whole cabinet lock is small in size and is very convenient to install and disassemble, and is suitable for a variety of cabinet doors. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is the exploded structure diagram of the utility model;

[0015] Figure 3 This is a structural diagram of the lock core of the utility model;

[0016] Figure 4 This is a structural diagram of the lock housing of the utility model.

[0017] In the figure: 1. lock body; 2. lock head; 3. lock core; 4. rotating head; 5. limit lock plate; 6. threaded external thread; 7. anti-slip clamp; 8. hexagonal nut; 9. first spring; 10. pressure cover plate; 11. positioning sleeve; 12. rotating column; 13. second spring; 14. adjusting rod; 15. fixing bolt; 16. tightening gasket; 17. rotating clamp; 18. adjusting inclined groove; 19. base material layer; 20. anti-corrosion layer; 21. wear-resistant layer. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 The utility model provides a compression cabinet lock, including a lock housing 1, a lock head 2 is arranged on the top of the lock housing 1, a lock core 3 is arranged in the middle of the lock head 2, a limit lock piece 5 is arranged at the bottom of the lock housing 1, a positioning sleeve 11 is installed inside the lock housing 1, the positioning sleeve 11 is sleeved on the outside of the lock core 3, a first spring 9 is installed between the lock head 2 and the lock core 3, a rotating column 12 is arranged inside the lock core 3, an adjusting rod 14 is connected to the top of the rotating column 12, an adjusting inclined groove 18 matching the adjusting rod 14 is arranged in the middle of the lock core 3, one end of the adjusting rod 14 is connected to the adjusting inclined groove 18, and one end of the adjusting rod 14 is connected to the adjusting inclined groove 18. The interior of the groove 18 is slidably connected, a second spring 13 is connected between the lock core 3 and the rotating column 12, a rotating head 4 is provided at the bottom of the lock core 3, a fixing bolt 15 is threadedly connected to the bottom of the rotating column 12, and the limiting lock piece 5 is connected to the rotating column 12 through the fixing bolt 15, a threaded outer thread 6 is provided on the surface of the middle part of the lock housing 1, the lock core 3, the positioning sleeve 11 and the rotating column 12 are all inside the lock housing 1, a rotating head 4 is provided at the bottom of the lock core 3, the rotating head 4 extends to the outside of the lock housing 1, and the bottom of the rotating column 12 passes through the middle part of the lock core 3 and extends to the outside;

[0020] During installation in this embodiment, a hole is opened at a corresponding position on the cabinet to install the lock housing 1, and the lock housing 1 is installed inside the hole opened on the cabinet door. The bottom of the lock housing 1 extends to the inner side of the cabinet door, and then the anti-slip snap ring 7 is sleeved on the surface of the lock housing 1, and the hexagonal nut 8 is installed on the threaded external thread 6. The threaded external thread 6 is tightened to press the anti-slip snap ring 7 tightly against the inner side of the cabinet door to complete the installation of the lock housing 1. Then, the limiting lock plate 5 is installed on the rotating column 12 through the fixing bolt 15 and the pressing gasket 16.

[0021] See also Figure 1-4 The outer side of the lock housing 1 is sleeved with an anti-slip snap ring 7, the surface of the threaded outer wire 6 is threadedly connected with a hexagonal nut 8, a pressure cover plate 10 is installed between the lock head 2 and the top of the lock housing 1, and the pressure cover plate 10 matches the lock head 2, and a compression gasket 16 is installed between the fixing bolt 15 and the limiting lock plate 5. A rotating clamp 17 is provided on the top of the lock core 3, and the middle part of the lock head 2 matches the rotating clamp 17;

[0022] In this embodiment, rotating the rotating clamp 17 can cause the lock core 3 to rotate as a whole inside the lock shell 1. During the rotation of the lock core 3, the adjusting slot 18 will rotate. When the adjusting slot 18 rotates, the height of the internal adjusting rod 14 will change, thereby causing the rotating column 12 to rotate and extend, thereby causing the limiting lock plate 5 connected to the bottom of the rotating column 12 to rotate. The limiting lock plate 5 can clamp the inner side of the cabinet to limit the cabinet door.

[0023] See also Figure 1-4 The lock housing 1 includes a base layer 19, an anti-corrosion layer 20 and a wear-resistant layer 21. The anti-corrosion layer 20 is fixedly connected to the outer side of the base layer 19, and the wear-resistant layer 21 is fixedly connected to the side of the anti-corrosion layer 20 away from the base layer 19. The base layer 19 is made of stainless steel, the anti-corrosion layer 20 is made of polyurethane, and the wear-resistant layer 21 is made of epoxy resin. The anti-corrosion layer 20 can reduce the corrosion of the lock housing 1, and the wear-resistant layer 21 reduces surface wear.

[0024] When in use, the utility model is a compression cabinet lock. When installing, first remove the anti-skid clamp ring 7, hexagonal nut 8, limit lock plate 5 and fixing bolt 15, open a hole at the corresponding position on the cabinet to install the lock housing 1, install the lock housing 1 to the inside of the hole opened on the cabinet door, and the bottom of the lock housing 1 extends to the inner side of the cabinet door. Then, the anti-skid clamp ring 7 is sleeved on the surface of the lock housing 1, and the hexagonal nut 8 is installed on the threaded external thread 6. The threaded external thread 6 is tightened to press the anti-skid clamp ring 7 tightly against the inner side of the cabinet door to complete the installation of the lock housing 1. Then, the limit lock plate 5 is installed on the rotating column 12 through the fixing bolt 15 and the pressing gasket 16. The bottom of the rotating column 12 extends to the bottom of the lock housing 1. During use, the lock head 2 is pressed down by a key matching the lock head 2 and the lock core 3. The key The key is stuck on the rotating clamp head 17 of the lock core 3. Rotating the rotating clamp head 17 can make the lock core 3 rotate as a whole inside the lock shell 1. During the rotation of the lock core 3, the adjusting bevel 18 will rotate. When the adjusting bevel 18 rotates, the height of the internal adjusting rod 14 will change, thereby making the rotating column 12 rotate and extend, so that the limiting lock piece 5 connected to the bottom of the rotating column 12 rotates, and the limiting lock piece 5 can clamp the inner side of the cabinet to limit the cabinet door. When the middle part of the rotating column 12 extends to the outside of the lock shell 1, the lock is in the open state. When the middle part of the rotating column 12 shrinks to the inside of the lock shell 1, the lock is in the closed state. The limiting lock piece 5 is clamped tightly against the inner side of the cabinet, so that the cabinet door cannot be opened. The entire cabinet lock is small in size and easy to install and disassemble, and is suitable for a variety of cabinet doors.

[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A compression cabinet lock, comprising a lock housing (1), characterized in that: The lock housing (1) has a lock head (2) at the top, a lock core (3) at the middle of the lock head (2), a limit lock plate (5) at the bottom of the lock housing (1), a positioning sleeve (11) installed inside the lock housing (1), the positioning sleeve (11) is sleeved on the outside of the lock core (3), a first spring (9) is installed between the lock head (2) and the lock core (3), a rotating column (12) is provided inside the lock core (3), the top of the rotating column (12) is connected to an adjusting rod (14), and the middle of the lock core (3) is provided with a positioning sleeve (11). An adjusting bevel groove (18) matching the adjusting rod (14) is provided, one end of the adjusting rod (14) is slidably connected to the inside of the adjusting bevel groove (18), a second spring (13) is connected between the lock core (3) and the rotating column (12), a rotating head (4) is provided at the bottom of the lock core (3), a fixing bolt (15) is threadedly connected to the bottom of the rotating column (12), and the limiting lock piece (5) is connected to the rotating column (12) through the fixing bolt (15), and a threaded external thread (6) is provided on the surface of the middle part of the lock housing (1).

2. A compression cabinet lock according to claim 1, characterized in that: The outer side of the lock housing (1) is sleeved with an anti-slip snap ring (7), and the surface of the threaded external thread (6) is threadedly connected with a hexagonal nut (8).

3. A compression cabinet lock according to claim 1, characterized in that: A pressure cover plate (10) is installed between the lock head (2) and the top of the lock housing (1), and the pressure cover plate (10) matches the lock head (2). A compression gasket (16) is installed between the fixing bolt (15) and the limiting lock plate (5).

4. A compression cabinet lock according to claim 1, characterized in that: A rotating clamp (17) is provided on the top of the lock core (3), and the middle part of the lock head (2) matches the rotating clamp (17).

5. A compression cabinet lock according to claim 1, characterized in that: The lock core (3), the positioning sleeve (11) and the rotating column (12) are all located inside the lock housing (1); a rotating head (4) is provided at the bottom of the lock core (3); the rotating head (4) extends to the outside of the lock housing (1); and the bottom of the rotating column (12) passes through the middle of the lock core (3) and extends to the outside.

6. A compression cabinet lock according to claim 1, characterized in that: The lock housing (1) comprises a base material layer (19), an anti-corrosion layer (20) and a wear-resistant layer (21); the anti-corrosion layer (20) is fixedly connected to the outer side of the base material layer (19); and the wear-resistant layer (21) is fixedly connected to the side of the anti-corrosion layer (20) away from the base material layer (19).

7. A compression cabinet lock according to claim 6, characterized in that: The base material layer (19) is made of stainless steel, the anti-corrosion layer (20) is made of polyurethane, and the wear-resistant layer (21) is made of epoxy resin.

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