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Locking device

A technology of locking device and lock cylinder, which can be used in building locks, cylinder pin locks, locks with turning keys, etc.

Inactive Publication Date: 2016-06-15
于国凡
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Current locking devices, such as door locks, are vulnerable to theft

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0062] In order to have a clearer understanding of the technical features, purposes and effects of the invention, the invention is now described with reference to the accompanying drawings.

[0063] Such as figure 1 As shown, the locking device includes: lock cylinder,

[0064] The lock cylinder includes: an annular first sleeve 1, a second sleeve 5 embedded in the first sleeve, and an anti-theft push rod 3;

[0065] Such as figure 2 , image 3 , Figure 4 , Figure 5 and Figure 6 , Figure 23 As shown, the first sleeve 1 includes: a first sleeve main body 10 (the first sleeve main body 10 encloses the inner chamber 15 of the first sleeve 1 ), a second end 192 lateral to the first sleeve. The first sleeve opening 13 of the first sleeve, the first sleeve groove 12 on the first sleeve, the first sleeve spring 16 in the first sleeve groove (such as Figure 23 shown), the stopper 14 at the end of the first sleeve main body, and the pin hole 11 on the first sleeve main bo...

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PUM

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Abstract

The invention provides a locking device which comprises a lock cylinder, wherein the lock cylinder comprises an annular first sleeve, a second sleeve embedded in the first sleeve, and an anti-theft ejector rod; the anti-theft ejector rod comprises an ejector rod head, an ejector rod tail, and an ejector rod middle part connected between the ejector rod head and the ejector rod tail; the ejector rod head also comprises a second ejector rod groove; the second ejector rod groove and a first ejector rod groove are arranged at an interval; the second ejector rod groove is wider than a key insertion slot. Through twice axial movement and once rotation, the locking device ejects a second slider and a first slider so as to achieve a good anti-theft effect.

Description

technical field [0001] The invention relates to a locking device. Background technique [0002] Current locking devices, such as door locks, are vulnerable to theft. Utility model content [0003] The invention provides a locking device to solve the problem of anti-theft of the locking device. [0004] For this reason, the invention proposes a kind of locking device, and described locking device comprises: lock cylinder, [0005] The lock cylinder includes: an annular first sleeve, a second sleeve embedded in the first sleeve, and an anti-theft push rod; [0006] The first sleeve includes: a first sleeve main body, a first sleeve opening on the side of the end of the first sleeve main body, a first sleeve groove on the first sleeve, and a first sleeve groove on the first sleeve. the first sleeve spring in the groove of the first sleeve, the stopper at the end of the first sleeve main body, and the pin hole on the first sleeve main body; [0007] The opening of the firs...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E05B35/00E05B27/08E05B15/00E05B17/20E05B19/08
Inventor 于国凡
Owner 于国凡