Impact type cabinet lock

Abstract

The utility model discloses an impact type cabinet lock which comprises a lock body, a sleeve is inserted into the lock body, a lock cylinder is inserted into the inner wall of the sleeve, threaded holes are formed in the two sides of the lock body, studs are in threaded connection with the inner walls of the two threaded holes, a clamping ring is clamped on the back face of the lock cylinder, and an extrusion rod is clamped on the back face of the clamping ring. The surface of the extrusion rod is sleeved with a conical spring, a containing groove is formed in one end of the surface of the lock body, an impact pin is installed in the containing groove, a protruding part is arranged on one side of the inner wall of the containing groove, the surface of the protruding part is sleeved with a reset spring, an inclined face groove is formed in the middle of the impact pin, and sliding openings are formed in the two sides of the lock body. According to the impact type cabinet lock, unlocking operation of the impact type cabinet lock is convenient and fast, the structure is stable and reliable, the impact pin at the rear end can be prevented from being pried up maliciously through the arranged adjusting ring, and the safety of the cabinet lock is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cabinet locks, in particular to an impact-type cabinet lock. Background Art

[0002] A slam-type cabinet lock is a mechanical lock that is commonly used to secure cabinets, drawers, or other storage spaces.

[0003] The working principle of the impact type cabinet lock is based on a strike mechanism. When an external force is applied to the lock body, the strike mechanism releases the strike pin and disengages it from the lock slot, thereby opening the lock. However, the existing impact type cabinet lock has the following disadvantages:

[0004] (1) The impact mechanism of existing impact-type cabinet locks is not stable and reliable, and the unlocking operation is not convenient;

[0005] (2) Existing impact-type cabinet locks lack a better anti-pry structure and are not very safe. Utility Model Content

[0006] The purpose of the utility model is to provide an impact-type cabinet lock to solve the problems in the above-mentioned background technology that the impact mechanism of the existing impact-type cabinet lock is not stable and reliable enough, the unlocking operation is not convenient, the impact-type cabinet lock lacks a better anti-pry structure, and the safety is poor.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a kind of impact type cabinet lock, comprising a lock body, a sleeve is inserted into the interior of the lock body, a lock core is inserted into the inner wall of the sleeve, threaded holes are provided on both sides of the lock body, studs are threadedly connected to the inner walls of the two threaded holes, a clamping ring is clamped on the back of the lock core, an extrusion rod is clamped on the back of the clamping ring, a conical spring is sleeved on the surface of the extrusion rod, a receiving groove is provided at one end of the surface of the lock body, an impact pin is installed inside the receiving groove, a protrusion is provided on one side of the inner wall of the receiving groove, a reset spring is sleeved on the surface of the protrusion, an inclined groove is provided in the middle of the impact pin, and sliding openings are provided on both sides of the lock body.

[0008] When an impact-type cabinet lock of the present technical solution is used, the unlocking operation of the impact-type cabinet lock is convenient and quick, the structure is stable and reliable, and the provided adjustment ring can prevent the impact pin at the rear end from being maliciously pried open, thereby improving the safety of the cabinet lock.

[0009] As a preferred technical solution of the utility model, the surface of the lock body is provided with an external thread, one side of the external thread surface is threadedly sleeved with an adjustment ring 1, and the other side of the external thread surface is threadedly sleeved with an adjustment ring 2. The threaded connection method allows the adjustment ring to move when it rotates.

[0010] As a preferred technical solution of the utility model, the front of the adjusting ring 1 and the front of the adjusting ring 2 are both provided with annular teeth. The provided annular teeth increase the difficulty for the lock picker to pry or drill.

[0011] As a preferred technical solution of the utility model, a through hole is opened on one side of the inner wall of the accommodating groove, and one end of the extrusion rod passes through the through hole and is inserted into the inside of the inclined groove. When the extrusion rod is pressed, the impact pin can be squeezed back into the lock body.

[0012] As a preferred technical solution of the utility model, a groove is formed at one end of the impact pin, and one end of the return spring is placed inside the groove. The return spring is used to push out the impact pin.

[0013] As a preferred technical solution of the utility model, the end of the impact pin away from the groove is provided with an inclined surface. The provided inclined surface enables the impact pin to be automatically squeezed into the lock body when the cabinet door is closed, and then popped out to lock the cabinet door.

[0014] As a preferred technical solution of the utility model, the stud is slidably connected to the inner wall of the sliding opening, and the sliding opening provides space for the movement of the stud.

[0015] As a preferred technical solution of the utility model, a positioning block is provided at the top of the lock core, and the positioning block ensures that the lock core is in the correct direction when inserted.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The user inserts the key into the lock cylinder and rotates it. Under the guidance of the studs on both sides, the extrusion rod can be pushed to move, and the impact pin can be squeezed back into the receiving groove of the lock body with the cooperation of the inclined groove to unlock the cabinet lock. After releasing the key, the extrusion rod and the impact pin return to their original positions under the action of the conical spring and the return spring, and are inserted into the lock groove to lock the cabinet. The unlocking operation of the impact-type cabinet lock is convenient and fast, and the structure is stable and reliable.

[0018] 2. By arranging two adjustment rings on the surface of the impact-type cabinet lock, the position can be adjusted by rotation, which can play a protective blocking role, prevent the impact pin at the rear end from being maliciously pried open, and improve the safety of the cabinet lock. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is a cross-sectional view of the utility model;

[0021] Figure 3 This is a disassembled diagram of the utility model;

[0022] Figure 4 It is a three-dimensional diagram of the sleeve of the present invention.

[0023] In the figure: 1. sleeve; 2. lock core; 3. lock body; 4. adjusting ring 1; 5. adjusting ring 2; 6. stud; 7. retaining ring; 8. extrusion rod; 9. conical spring; 10. return spring; 11. impact pin; 12. threaded hole; 13. sliding opening; 14. external thread; 15. inclined groove; 16. annular teeth; 17. receiving groove; 18. through-opening; 19. groove; 20. raised part; 21. positioning block. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-4 The utility model provides an impact-type cabinet lock, including a lock body 3, a sleeve 1 is inserted into the interior of the lock body 3, a lock core 2 is inserted into the inner wall of the sleeve 1, and a key can be inserted to perform an unlocking operation, threaded holes 12 are provided on both sides of the lock body 3, and studs 6 are threadedly connected to the inner walls of the two threaded holes 12, a clamping ring 7 is clamped on the back of the lock core 2, and an extrusion rod 8 is clamped on the back of the clamping ring 7, and a conical spring 9 is sleeved on the surface of the extrusion rod 8, and a receiving groove 17 is provided at one end of the surface of the lock body 3, and an impact pin 11 is installed inside the receiving groove 17 for locking the cabinet door, a protrusion 20 is provided on one side of the inner wall of the receiving groove 17, and a reset spring 10 is sleeved on the surface of the protrusion 20 for ejecting the impact pin 11, and an inclined groove 15 is provided in the middle of the impact pin 11, and sliding openings 13 are provided on both sides of the lock body 3.

[0026] When in use, the user inserts the key into the lock cylinder 2 and rotates it. Under the guidance of the studs 6 on both sides, the squeezing rod 8 can be pushed to move, and with the cooperation of the inclined groove 15, the impact pin 11 is squeezed back into the accommodating groove 17 of the lock body 3 to unlock the cabinet lock. After letting go, the conical spring 9 and the return spring 10 make the squeezing rod 8 and the impact pin 11 return to their original positions and snap into the lock groove to lock the cabinet.

[0027] An external thread 14 is provided on the surface of the lock body 3, and an adjusting ring 1 4 is threadedly sleeved on one side of the surface of the external thread 14, and an adjusting ring 2 5 is threadedly sleeved on the other side of the surface of the external thread 14, which plays an anti-prying role. The front sides of the adjusting ring 1 4 and the front sides of the adjusting ring 2 5 are both provided with annular teeth 16 to increase the difficulty of prying. A positioning block 21 is provided on the top of the lock core 2 to play an installation positioning role.

[0028] When in use, the positioning block 21 can ensure that the lock core 2 is oriented correctly after installation. By arranging two adjustment rings on the surface of the impact-type cabinet lock, the position can be adjusted by rotation, which can play a protective blocking role and prevent the rear end impact pin 11 from being maliciously pried open. The annular teeth 16 can increase the difficulty of prying or drilling for the lock picker.

[0029] A through hole 18 is formed on one side of the inner wall of the accommodating groove 17, and one end of the extrusion rod 8 passes through the through hole 18 and is inserted into the inside of the inclined groove 15. A groove 19 is formed on one end of the impact pin 11, and one end of the return spring 10 is placed in the inside of the groove 19. The stud 6 is slidably connected to the inner wall of the sliding opening 13, and the end of the impact pin 11 away from the groove 19 is formed into a slope.

[0030] When in use, the sliding opening 13 opened on the lock body 3 provides a moving space for the pushing of the stud 6 and plays a guiding role. When the squeezing rod 8 is pressed, the impact pin 11 can be squeezed back into the accommodating groove 17 to achieve an unlocking effect. When the cabinet door is closed, the inclined surface on the impact pin 11 allows it to be automatically squeezed into the lock body 3 when the cabinet door is closed, and then pop out to lock the cabinet door.

[0031] During specific use, the utility model provides an impact-type cabinet lock. The user inserts the key into the lock core 2 and rotates it. Under the guidance of the studs 6 on both sides, the extrusion rod 8 can be pushed to move, and with the cooperation of the inclined groove 15, the impact pin 11 is squeezed back into the accommodating groove 17 of the lock body 3, so that the cabinet lock can be unlocked. After releasing the hand, the conical spring 9 and the return spring 10 make the extrusion rod 8 and the impact pin 11 return to their original positions and snap into the lock groove to lock the cabinet. The unlocking operation of the impact-type cabinet lock is convenient and fast, and the structure is stable and reliable. By arranging two adjustment rings on the surface of the impact-type cabinet lock, the position can be adjusted by rotation, which can play a protective blocking role, prevent the impact pin 11 at the rear end from being maliciously pried open, and improve the safety of the cabinet lock.

[0032] 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 striking cabinet lock, comprising a lock body (3), characterized in that: The lock body (3) is provided with a sleeve (1) inserted inside, and a lock core (2) is inserted into the inner wall of the sleeve (1). Threaded holes (12) are provided on both sides of the lock body (3), and studs (6) are threadedly connected to the inner walls of the two threaded holes (12). A clamping ring (7) is clamped on the back of the lock core (2), and an extrusion rod (8) is clamped on the back of the clamping ring (7). A conical spring (9) is sleeved on the surface of the extrusion rod (8). A receiving groove (17) is provided at one end of the surface of the lock body (3), and a striking pin (11) is installed inside the receiving groove (17). A protrusion (20) is provided on one side of the inner wall of the receiving groove (17), and a reset spring (10) is sleeved on the surface of the protrusion (20). A bevel groove (15) is provided in the middle of the striking pin (11), and sliding openings (13) are provided on both sides of the lock body (3).

2. The impact-type cabinet lock according to claim 1, characterized in that: The surface of the lock body (3) is provided with an external thread (14), one side of the surface of the external thread (14) is threadedly sleeved with an adjustment ring 1 (4), and the other side of the surface of the external thread (14) is threadedly sleeved with an adjustment ring 2 (5).

3. The impact-type cabinet lock according to claim 2, characterized in that: The front faces of the adjusting ring 1 (4) and the adjusting ring 2 (5) are both provided with annular teeth (16).

4. The impact-type cabinet lock according to claim 1, characterized in that: A through hole (18) is provided on one side of the inner wall of the accommodating groove (17), and one end of the extruding rod (8) passes through the through hole (18) and is inserted into the interior of the inclined groove (15).

5. The impact-type cabinet lock according to claim 1, characterized in that: One end of the impact pin (11) is provided with a groove (19), and one end of the return spring (10) is placed inside the groove (19).

6. The impact-type cabinet lock according to claim 5, characterized in that: One end of the impact pin (11) away from the groove (19) is formed into an inclined surface.

7. The impact-type cabinet lock according to claim 1, characterized in that: The stud (6) is slidably connected to the inner wall of the sliding opening (13).

8. The impact-type cabinet lock according to claim 1, characterized in that: A positioning block (21) is provided at the top end of the lock core (2).

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