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Pick-proof and shearing-proof protecting cover of padlock

A protective cover, anti-pry open technology, applied in padlocks, building locks, buildings, etc.

Inactive Publication Date: 2008-02-27
邵常兴
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The pin padlock currently used has an n-shaped latch, and a thief can insert a steel crowbar into the n-shaped latch to pry the lock open

Method used

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  • Pick-proof and shearing-proof protecting cover of padlock

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] As shown in Figure 1 and Figure 2, a padlock anti-prying and anti-shearing protective cover includes left and right protective covers, and the protective cover includes a rectangular steel pipe cover 1 and a right-angle steel 2, and the rectangular steel pipe cover 1 has a latch entry hole 5 and The lock body enters the groove 6, and the inner surface nail hole 3 and the side wall nail hole 4 are arranged on the right angle steel 2.

[0016] The rectangular steel pipe cover 1 and the right-angle steel 2 are welded into a whole at the welding place 7.

[0017] The protective cover can also be molded and cast.

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PUM

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Abstract

The breaking and shearing preventing pad lock protecting cover includes two symmetrical horizontal covers comprising one rectangular steel cover and L-shaped steel each. The rectangular steel cover has one slot for the lock body to be set in and one hole for lock bolt; and the L-shaped steel has one inside nail hole and one side nail hole. During production, the rectangular steel cover and the L-shaped steel are welded together. Or, the protecting cover may be produced through casting.

Description

1. Technical field [0001] The invention relates to a padlock protective cover, in particular to a protective cover which protects a padlock latch and is difficult to be pried open by a steel crowbar or cut by a steel bar pliers. 2. Background technology [0002] Currently used tumbler padlock, the lock bolt is n-shaped, and the thief can insert the steel brazing crowbar into the n-shaped lock bolt to pry the lock open. The n-shaped latch can also be cut with a steel bar pliers to open the lock. 3. Contents of the invention [0003] The technical problem to be solved by the present invention is: to provide a protection padlock latch that is not easy to be pried open by a steel drill crowbar, or a protective cover with good anti-theft effect that can be cut by steel bar pliers. [0004] In order to solve the above problems, the present invention includes two horizontally symmetrical protective covers on the left and right. The protective cover includes a rectangular steel ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05B17/20E05B67/02
Inventor 邵常兴
Owner 邵常兴