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Safety lock head with lock pin capable of idling

A lock cylinder and safety technology, applied in building locks, cylinder pin locks, locks with turning keys, etc., can solve the problems of reducing the mutual opening rate, etc., and achieve the advantages of increasing the number of teeth, high security performance, and improving anti-theft performance. Effect

Active Publication Date: 2008-02-06
雷先鸣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, this kind of lock has only one row of marbles, which is limited in reducing the mutual opening rate.

Method used

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  • Safety lock head with lock pin capable of idling
  • Safety lock head with lock pin capable of idling

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] See Figures 1 to 3, the safety lock head with the lock cylinder that can be idling, including the lock body 2, the lock cylinder in the lock body 2. The lock cylinder is divided into a front lock cylinder 1 and a rear lock cylinder 12, and the front lock cylinder 1 is symmetrically arranged There are double-row marbles 15 with V-shaped grooves, locking side posts 4 that can be matched with the V-shaped grooves on the marbles, and sliding blocks 6 corresponding to the locking side posts 4. The sliding blocks 6 and the locking side posts 4 are respectively provided with The mating protrusion 14 (groove) and groove 13 (protrusion), the locking side post 4 and the sliding block 6 are provided with a locking side post return spring 5, between the sliding block 6 and the end wall of the locking side post groove A sliding block return spring 3 is provided between the sliding block; a lock pin slide groove 11 is provided on the rear lock cylinder 12 corresponding to the locking sid...

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PUM

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Abstract

The present invention discloses a safety lock head with a lock pith turning idly, and comprises a lock body, a front lock pith and a back lock pith, a double-row marble and locking side column, and a sliding block are symmetrically arranged in the front lock pith, matched convex and concave channels are arranged on the sliding block and the locking side column and a reset spring for the sliding block is arranged between the sliding block and the end wall of the locking side column channel; a lock pin sliding channel is arranged at the back lock pith and the locking side column of the front lock pith respectively, an end wall is arranged at the lock pin sliding channel which is arranged at the tail of the back lock pith, a lock pin is arranged in the lock pin sliding channel and a lock pin reset spring is arranged between the end walls of the lock pin sliding channel and the lock pin; elasticity of the pin shaft reset spring is larger than that of the sliding block reset spring; at least one of the lock pin or locking side column channel adopts an inclination surface and contacts with the other. A step and a limit gap which are used for stopping and rotting the rear lock pith are arranged at the tail of the lock body. The lock can prevent the violent unlocking and reduces the mutual unlocking rate of the lock.

Description

Technical field [0001] The invention belongs to a mechanical lock, and relates to a safety lock head with a lock core that can rotate idly. Background technique [0002] In terms of locks, tumbler locks have always been the most widely used product. Among the existing pinball locks, there is a lock that adopts a lock side post structure in which a locking side post is provided on the lock cylinder and a pin with a V-shaped groove is matched to control the opening and closing of the lock cylinder, which better solves the traditional mechanical pin lock It does not prevent the weakness of technical unlocking and twisting the lock cylinder. For its structure, please refer to the ZL99115581.5 patent document. However, this kind of lock still has the problem that it is difficult to resist destructive and forceful unlocking. If you use a strong enough unlocking tool to forcibly twist the lock core, you can twist off the bolt that fixes the lock head on the door. Moreover, this kind of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05B27/00
Inventor 雷先鸣
Owner 雷先鸣
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