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Lock head of anti-theft lock

A technology of lock cylinder and flat head, which is applied in the field of anti-theft lock head, can solve the problems of poor anti-destructive performance and anti-theft performance, and achieve the effect of improving anti-destructive performance and anti-theft performance, increasing difficulty, and improving anti-theft performance

Active Publication Date: 2015-11-18
钟积桥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It solves the problem of poor anti-destructive performance and anti-theft performance of the existing pin lock head parts

Method used

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  • Lock head of anti-theft lock
  • Lock head of anti-theft lock
  • Lock head of anti-theft lock

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] An anti-theft lock head, comprising a lock cylinder case 1, a lock cylinder 2 and a return device.

[0042] The lock cylinder 2 is provided with a key slot 2-1, five inner pin holes 2-2, five left inner mounting holes 2-3 and five right inner mounting holes 2-4. The inner pin hole 2-2 penetrates from the outer surface of the lock cylinder 2 to the key slot 2-1, and the left inner mounting hole 2-3 and the right inner mounting hole 2-4 are symmetrically arranged on both sides of the inner pin hole 2-2, respectively from The intersection of the inner pinhole 2-2 and the key slot 2-1 runs through to the outer surface of the lock cylinder 2, and the diameter of the inner pinhole 2-2 is d1.

[0043] The key slot 2-1 includes an upper slot 2-1-1, an arc-shaped inclined-plane contraction slot 2-1-2 and a lower slot 2-1-3, and the arc-shaped inclined-plane contraction slot 2-1-2 is located in the upper slot 2-1 Between -1 and the lower groove 2-1-3, the two side walls of the k...

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PUM

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Abstract

A lock head of an anti-theft lock comprises a lock cylinder sleeve, a lock cylinder and a return device. The lock cylinder is provided with a key slot, inner marble holes, left inner installation holes and right inner installation holes, the key slot comprises an upper slot body, an arc-shaped slant contract slot body and a lower slot body, and the arc-shaped slant contract slot body is located between the upper slot body and the lower slot body; the lock cylinder sleeve is provided with a lock cylinder hole, outer marble holes, left outer installation holes and right outer installation holes, and a bilateral gap s, a bilateral gap t and a bilateral gap u are unequal to one another; the lock cylinder is installed in the lock cylinder hole formed in the lock cylinder sleeve, upper springs, upper flat head marbles and upper half round head marbles are sequentially arranged in the outer marble holes and the inner marble holes, and the outer marble holes are closed through plugs; the return device comprises left springs, left flat head marbles and left half round head marbles which are sequentially installed in the left inner installation holes and the left outer installation holes and right springs, right flat head marbles and right half round head marbles which are symmetrically installed in the right inner installation holes and the right outer installation holes, and the left outer installation holes and the right outer installation holes are closed through plugs.

Description

technical field [0001] The invention relates to a lock head part of a tumbler lock, in particular to a lock head of an anti-theft lock. Background technique [0002] Notification number is that the invention patent of CN2441925Y discloses a kind of lock end part of tumbler lock. Its structure is as Figure 11 , 12 Shown, comprise lock core cover 12, be located at the lock core 13 in the lock cylinder hole on lock core cover 12, be provided with spring 16, flat pin 17 and in the pin hole of lock core cover 12 and the pin hole of lock core 13 The semi-round pin 18 is used to block the spring 16, the flat pin 17 and the semi-round pin 18 in the pin hole of the lock core sleeve 12 and the pin hole of the lock core 13 through the plug. The two sides of the key groove 13-1 are designed to be symmetrical , the limit spring 15 and the limit marble 14 are respectively installed in the limit holes on both sides of the key slot 13-1, and the limit spring 15 and the limit marble 14 ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05B27/06
Inventor 钟积桥
Owner 钟积桥
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