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CN-122014056-A - Impact-resistant unlocking resistance-free anti-theft lock

CN122014056ACN 122014056 ACN122014056 ACN 122014056ACN-122014056-A

Abstract

The invention relates to the technical field of anti-theft locks, in particular to an anti-theft lock capable of being opened by collision without resistance, which comprises a shell, an anti-collision assembly, a linkage assembly, a safety assembly, an inclined tongue assembly, a driving assembly and a pressing assembly, wherein the anti-collision assembly can transmit impact load to the shell and a door frame to prevent a lock tongue and an internal transmission part from being deformed and invalid by impact, in addition, the rigidity limit of a straight groove can ensure that the structure is free from play and loosening in a locking state, the transmission structure is in rolling fit, no blocking or extra resistance exists, stable opening and closing performance can be maintained after long-term use, the driving structure can realize the joint control function of synchronous unlocking of a double structure after single rotation of a door handle, the whole part of a lock body can be processed and assembled by adopting standardized mechanical processing, the process control difficulty is low during factory production, the processing procedure can be reduced, the production efficiency and the product yield can be improved, and the overall improvement of the strength, the durability and the anti-theft performance of the lock body can be realized when the structure is simplified and the cost is reduced.

Inventors

  • YANG ZHIMING
  • WANG JINPENG
  • WU YANBING

Assignees

  • 武义建佰安防科技有限公司

Dates

Publication Date
20260512
Application Date
20260407

Claims (10)

  1. 1. An anti-theft lock with impact resistance and unlocking resistance comprises a shell (1), and is characterized in that an anti-collision assembly (2) arranged on the shell (1) and a driving assembly (6) arranged on the shell (1); the anti-collision assembly (2) comprises two installation shafts (201) which are rotatably connected to the shell (1) and an anti-collision block (202) which is rotatably connected to the installation shafts (201), wherein an adjusting shaft (203) is rotatably connected to the anti-collision block (202), two toothed plates (204) are slidably connected to the shell (1), a chute (205) and a straight groove (206) are formed in the toothed plates (204), a guide groove (215) is formed in the shell (1), the adjusting shaft (203) is in rolling fit with the guide groove (215), a first rotating shaft (208) is rotatably connected to the shell (1), a gear (209) is mounted on the first rotating shaft (208), the toothed plates (204) are meshed with the gear (209), a first connecting shaft (210) is rotatably connected to the shell (1), a rotating rod (211) is fixedly connected to the first connecting shaft, a first driving shaft (212) is rotatably connected to the rotating rod (211), one toothed plate (204) is provided with a guide groove (215), a first driving shaft (213) is rotatably connected to the second driving shaft (212), and the driving assembly (213) is rotatably connected to the second driving shaft (213).
  2. 2. The anti-theft lock with impact opening resistance according to claim 1, wherein the shell (1) is rotatably connected with a first guide shaft (207), and the toothed plate (204) is in rolling fit with the first guide shaft (207).
  3. 3. The anti-theft lock with impact opening resistance according to claim 1, wherein the driving assembly (6) comprises a roller (601) rotatably connected to the shell (1) and a push rod (602) rotatably connected to the roller (601), the second connecting shaft (214) is rotatably connected with the push rod (602), and a second stop block (603) is fixedly connected to the push rod (602).
  4. 4. The anti-theft lock with impact opening resistance according to claim 3, wherein the shell (1) is rotatably connected with a second driving shaft (605), a driving block (606) is fixedly connected to the second driving shaft (605), a through groove (604) is formed in the push rod (602), the driving block (606) is slidably connected with the through groove (604), and a shifting block (607) is fixedly connected to the second driving shaft (605).
  5. 5. The impact-resistant unlocking non-resistance anti-theft lock according to claim 1, wherein one toothed plate (204) and the rotating rod (211) are linked through a linkage assembly (3), the linkage assembly (3) comprises a fixed shaft (301) rotatably connected to the rotating rod (211) and a guide plate (302) rotatably connected to the fixed shaft (301), a fixed block (303) is fixedly connected to the guide plate (302), and a mounting seat (306) is fixedly connected to the housing (1).
  6. 6. The anti-collision unlocking resistance-free anti-theft lock according to claim 5, wherein a torsion spring (305) is fixedly connected between the mounting seat (306) and the fixed block (303), a guide post (307) is rotatably connected to the shell (1), the guide post (307) is in rolling connection with the guide plate (302), and a first stop block (304) is fixedly connected to the guide plate (302).
  7. 7. The anti-collision unlocking resistance-free anti-theft lock according to claim 6, wherein the shell (1) is provided with a safety component (4), the safety component (4) comprises a guide rod (401) fixedly connected to the shell (1) and a safety block (402) slidingly connected to the guide rod (401), the shell (1) is rotatably connected with a rotating block (403), the rotating block (403) is fixedly connected with a deflector rod (404), and the deflector rod (404) drives the safety block (402) to slide.
  8. 8. The anti-collision unlocking resistance-free anti-theft lock according to claim 1, wherein the shell (1) is provided with a latch assembly (5), the latch assembly (5) comprises a sliding block (501) which is connected to the shell (1) in a sliding mode and a fixed rod (502) which is connected to the sliding block (501) in a rotating mode, a lock tongue (503) is installed on the fixed rod (502), a connecting rod (504) is fixedly connected to the shell (1), a first tension spring (505) is installed between the connecting rod (504) and the sliding block (501), a stop lever (506) is connected to the shell (1) in a sliding mode, a push column (507) is fixedly connected to the stop lever (506), a sliding groove (508) is formed in the stop lever (506), and a second tension spring (509) is installed between the stop lever (506) and a rolling shaft (601).
  9. 9. The impact-resistant unlocking resistance-free anti-theft lock according to claim 1, wherein the shell (1) is provided with a pressing component (7), the pressing component (7) comprises a second guide shaft (701) rotatably connected to the shell (1) and a connecting rod (702) rotatably connected to the second guide shaft (701), the shell (1) is rotatably connected with a second rotating shaft (703), and a pressing block (704) is fixedly connected to the second rotating shaft (703).
  10. 10. The anti-theft lock with impact opening resistance according to claim 9, wherein the pressing block (704) is abutted against the sliding block (501), the pressing block (704) is rotatably connected with the linkage shaft (705), and the connecting rod (702) is rotatably connected with the linkage shaft (705).

Description

Impact-resistant unlocking resistance-free anti-theft lock Technical Field The invention relates to the technical field of anti-theft locks, in particular to an anti-theft lock with impact resistance and unlocking resistance. Background The anti-theft lock is a core basic component in a building security system, is widely applied to various security scenes such as civil entrance doors, commercial security doors, safes and the like, and directly determines the market competitiveness and the application value of products in terms of anti-theft protection performance, opening and closing use experience and production and manufacturing economy. With the continuous upgrading of social security demands, the market has put forward higher requirements on the anti-riot unlocking capability, the operation smoothness and the structural durability of the mechanical anti-theft lock, and the structural optimization and the performance upgrading become the core research and development direction of the mechanical anti-theft lock industry. However, the conventional mechanical anti-theft lock body mostly adopts a locking structure with a single lock tongue which is straightened out, stress is concentrated at a single point of the lock tongue in a locking state, load cannot be effectively dispersed and conducted when the lock tongue is subjected to violent impact, deformation and failure of the lock tongue and an internal transmission part are easily caused, violent impact opening are difficult to resist, meanwhile, the opening and closing smoothness and durability are poor, the core transmission part of the conventional lock body mostly adopts sliding friction fit, part abrasion is aggravated after long-term use, opening and closing operation resistance is continuously increased, the problem of handle linkage clamping and blocking easily occurs, loose movement of the structure is easily generated after abrasion, the service life of a product is greatly shortened, the conventional lock body structure is molded by relying on welding procedures, the processing procedures are complicated, quality hidden troubles such as stress concentration and cracking easily occur at the welding part, the product yield is difficult to ensure, and the whole production cost is also promoted. Disclosure of Invention Aiming at the problems in the prior art, the invention provides an anti-theft lock which is resistant to impact and unlocking and has no resistance. The invention solves the technical problems by adopting the technical scheme that the anti-theft lock with impact resistance and unlocking resistance comprises a shell, an anti-collision assembly arranged on the shell and a driving assembly arranged on the shell; The anti-collision assembly comprises two mounting shafts on the shell and an anti-collision block rotationally connected to the mounting shafts, an adjusting shaft is rotationally connected to the anti-collision block, two toothed plates are slidingly connected to the shell, a chute and a straight groove are formed in the toothed plates, a guide groove is formed in the shell, the adjusting shaft is in rolling fit with the guide groove, a first rotating shaft is rotationally connected to the shell, a gear is mounted on the first rotating shaft, the toothed plates are meshed with the gear, a first connecting shaft is rotationally connected to the shell, a rotating rod is fixedly connected to the first connecting shaft, a first driving shaft is rotationally connected to the rotating rod, a driving groove is formed in one toothed plate, the first driving shaft is in rolling fit with the driving groove, a second connecting shaft is rotationally connected to the rotating rod, and the second connecting shaft is driven by the driving assembly. Specifically, the shell is rotatably connected with a first guide shaft, and the toothed plate is in rolling fit with the first guide shaft. Specifically, the drive assembly includes rotate connect in roller bearing on the shell with roll connect in push rod on the roller bearing, the second connecting axle rotates with the push rod and is connected, fixedly connected with second dog on the push rod. Specifically, the shell is connected with a second driving shaft in a rotating way, a driving block is fixedly connected to the second driving shaft, a through groove is formed in the push rod, the driving block is connected with the through groove in a sliding way, and a shifting block is fixedly connected to the second driving shaft. Specifically, one of them link through the linkage subassembly between pinion rack and the bull stick, the linkage subassembly including rotate connect in fixed axle on the bull stick with rotate connect in deflector on the fixed axle, fixedly connected with fixed block on the deflector, fixedly connected with mount pad on the shell. Specifically, fixedly connected with torsional spring between mount pad and the fixed block, it is connected with the guide post to rotat