Anti-theft security tensioning lock

Abstract

The invention provides an anti-theft security tensioning lock. The anti-theft security tensioning lock comprises a lock shell, a lock rod and a spring bolt, wherein an assembling hole is arranged on the lock shell; the lock rod is spliced in the assembling hole; the lock rod is axially positioned relative to the assembling hole and is rotatably matched relative to the assembling hole; a key action section is arranged at one end of the lock rod, which faces to the front face of the lock shell. The anti-theft security tensioning lock is characterized in that a lock core cover is sleeved on the key action section, and forms sliding fit with the key action section in an axial direction; a first shaft shoulder is arranged on the lock rod at the root of the key action section; a first spring for axial effect is arranged between the first shaft shoulder and the lock core cover; a first axial guide groove is formed on the inner wall of the assembling hole; a circle of a circumferential guide groove is formed on the inner wall of the assembling hole along a circumferential direction corresponding to a lateral wing; the circumferential guide groove is arranged between the both ends of the key action section along the axial direction of the key action section; the first axial guide groove is communicated with the circumferential guide groove. The anti-theft security tensioning lock provided by the invention has an anti-theft function, and is safer and more reliable to use.

Description

technical field [0001] The invention relates to locks, in particular to industrial tension locks used in rail transit, wind power generation, communication equipment and other industries. The deadbolt of this lockset not only has a locking function but also has a tensioning function, and can be applied to door bodies, windows and cabinets, etc. Background technique [0002] On vehicles or equipment in rail transit, wind power generation, communication equipment and other industries, a large number of industrial locks are used to lock the door body or window. Chinese patent CN102155117B discloses an invention patent titled "Improved Rotary Tightening Lock". There is a switch action part matched with the key, and the end of the lock cylinder facing the front of the lock housing is provided with a sleeve. The wall of the sleeve is provided with a spiral groove. Pin shaft, the first pin shaft penetrates into the spiral groove to form the first guide fit; the inner wall of the ...

AI Technical Summary

Problems solved by technology

The above-mentioned patents have improved the smoothness and reliability of the lock movement, but there is a problem of anti-theft safety. Use a key to insert the end of the lock cylinder that matches the key to turn the lock cylinder to open and close the lock. This kind of lock is mostly used outdoors. , and the end of the lock cylinder that matches the key is exposed and visible, as long as the key that matches the end can be obtained, the lock can be opened, which poses a safety hazard

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