Anti-theft lock cylinder

An anti-theft lock core and inner core technology, applied in the field of locks

Inactive Publication Date: 2012-11-28
龚毅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] All kinds of anti-theft lock cylinders play their due role in the market. The production process and structure of each anti-theft lock are different. Generally, there are anti-drilling pieces and structural improvements in front of the lock cylinder, but they can all be used. The special tool is used to open it, mainly because the special tool is easy to find the force point in the lock cylinder

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0018] The utility model is as figure 1 , figure 2 , image 3 shown.

[0019] An anti-theft lock cylinder, comprising an outer lock core 1 and an inner lock core 2, the inner lock core 2 is provided with a pin hole, the pin hole is provided with a pin, and a spring 5 on the lock core is used in cooperation with the outer lock core 1. The outer circle of the lock inner core 2 is provided with a cylindrical step, and the cylindrical step is covered with a circular ring sleeve 3; the cylindrical step is provided with a marble hole, and the circular ring sleeve 3 is also provided with a matching marble hole 7, and the marble hole 7 is equipped with The marbles are in contact with the outer lock core 1 through the spring 4 on the ring sleeve; blind holes are provided at ±35°~40° on both sides of the marble hole on the cylindrical step through the arc.

[0020] The cylindrical step on the outer circle of the lock inner core 2 can also be set at any position in front of or in t...

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PUM

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Abstract

The invention provides an anti-theft lock cylinder. The anti-theft lock cylinder comprises an inner lock cylinder and an outer lock cylinder, wherein marble holes are formed in the inner lock cylinder, marbles are arranged in the marble holes and are matched with the outer lock core through springs, a cylindrical footstep is formed on the inner lock cylinder, and a ring sleeve is sleeved on the cylindrical footstep; marble holes are formed in the cylindrical footstep, marble holes matched with the ring sleeve are formed in the ring sleeve, and marbles are arranged in the marble holes and are contacted with the outer lock cylinder through springs in a matched mode; blind holes are formed on the two sides of the marble holes in the cylindrical footstep at the angle of + / -35 to 40 degrees through the transition of arcs; a conical dent is formed on the ring sleeve, and a conical marble is arranged on the conical dent and is contacted with the outer lock cylinder through a spring in a matched mode; the elasticity of the springs on the ring sleeve is 3 to 5 times that of other springs on the lock cylinders; and the elasticity of the spring on the conical marble is 8 to 10 times that of other springs on the lock cylinders. The anti-theft lock cylinder has the characteristics of traps and a tripping device on the inner lock cylinder, so that an insurance effect can be achieved, and the aim of burglary prevention can be fulfilled.

Description

technical field [0001] The utility model relates to the field of locks in daily life, in particular to an anti-theft lock core. Background technique [0002] All kinds of anti-theft lock cylinders play their due role in the market. The production process and structure of each anti-theft lock are different. Generally, there are anti-drilling pieces and structural improvements in front of the lock cylinder, but they can all be used. The special tool is opened, mainly because the special tool is easy to find the point of force in the lock cylinder. If anti-theft device can be designed from lock cylinder inside or anti-theft " trap " just can stop non-this lock cylinder key or special tool from opening lockset. Contents of the invention [0003] The purpose of the utility model is to design a kind of anti-theft device or anti-theft "trap" that can be arranged on the lock cylinder, and a kind of anti-theft lock cylinder is specially proposed. [0004] For this reason the tech...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05B27/00E05B15/14E05B15/04
Inventor 龚毅
Owner 龚毅
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