Lock head with lock pin capable of idling

A lock cylinder and rear lock cylinder technology, used in locks with turning keys, construction locks, cylinder marble locks, etc., can solve the problem of being difficult to resist destructive force unlocking, etc. The effect of anti-theft performance

Active Publication Date: 2011-07-20
GUANGDONG JINDIAN ATOM LOCK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this lock still has the problem of being difficult to resist destructive forceful unlocking

Method used

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] See Figure 1 to Figure 3 , the lock head that the lock cylinder can idle, including the lock body 2 and the lock cylinder in the lock body 2, the lock cylinder is divided into the front lock cylinder 1 and the rear lock cylinder 12, and the locking side column groove on the front lock cylinder 1 is provided with a movable The locking side column 4 and the sliding block 6 matched with the groove of the pin 15 of the lock cylinder, the sliding block 6 and the locking side column 4 are respectively provided with a protrusion 14 (groove) and a groove 13 (protrusion) that can be matched, A locking side post return spring 5 is provided between the locking side post 4 and the sliding block 6, and a sliding block return spring 3 is provided between the sliding block 6 and the end wall of the locking side post groove; Locking side column groove in core 1 is correspondingly provided with lock pin chute 11, and lock pin chute 11 has an end wall 10 at the afterbody of rear lock co...

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PUM

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Abstract

The present invention discloses a lock head with a lock pith turning idly, and comprises a lock body, a front lock pith and a back lock pith, a locking side column and a sliding block are arranged in the channel of the locking side column of 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 lockpith 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 leastone 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 present invention employs a lock with a lock pith of clutch structure, and effectively prevents unlocking by violation tools.

Description

technical field [0001] The invention belongs to mechanical locks, and relates to a lock head with a lock core that can rotate idly. Background technique [0002] In terms of locks, the tumbler lock has always been the most widely used product. Among the existing tumbler locks, there is a kind of lock that adopts a locking side column structure on the lock cylinder to cooperate with a pin with a V-shaped groove to control the opening and closing of the lock cylinder, which better solves the problem of traditional mechanical pin locks. Can not prevent technical unlocking and the weakness of picking and twisting the lock cylinder, its structure can refer to the ZL99115581.5 patent document. But this lock still has the problem that it is difficult to resist destructive forceful unlocking. If you use a strong enough unlocking tool to forcibly twist the lock cylinder, you can twist the bolts that fix the lock head on the door. Contents of the invention [0003] The object of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E05B27/00
Inventor 雷先鸣
Owner GUANGDONG JINDIAN ATOM LOCK
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