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Anti-theft lock with barbed bolt and top-bottom lock including the same

An anti-theft lock, heaven and earth lock technology, applied in the direction of building locks, buildings, building structures, etc., to achieve good anti-theft effect

Inactive Publication Date: 2009-05-27
罗宇聪 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But once the lock body or the striker plate is broken, the door can be opened easily

Method used

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  • Anti-theft lock with barbed bolt and top-bottom lock including the same
  • Anti-theft lock with barbed bolt and top-bottom lock including the same
  • Anti-theft lock with barbed bolt and top-bottom lock including the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Such as Figure 1 ~ Figure 4 The shown anti-theft lock with a barb on the tongue includes a gusset 1 and a lock body 2. The lock body 2 is provided with a lock tongue 3, a barb reset piece 4 and a swing arm 5, and the lock tongue 3 is hinged with a barb 6 , the swing arm 5 is hinged with the lock body 2, and one end of the swing arm 5 is connected with the dead bolt 3. The swing arm 5 is L-shaped. The dead bolt 3 has a cylindrical protrusion 7, and the lock body 2 has an elongated hole 8, and the protrusion 7 slides in the elongated hole 8.

[0023] The pinch plate 1 has two deformation guide grooves 9 and a square hole 10, the longitudinal dimension of the square hole 10 is smaller than the maximum longitudinal dimension when the dead bolt 3 and the barb 6 are stretched out. The buckle plate 1 is made of stainless steel with high tensile strength, or other metals with tensile properties.

[0024] The anti-theft lock with barbs on the deadbolt, when in the locked sta...

Embodiment 2

[0027] Such as Figure 5 The shown sky and earth lock including the anti-theft lock includes two anti-theft locks and a main lock. The main lock includes a main gusset 11 and a main lock body 12. The main lock body 12 is provided with a panel handle, and an anti-theft lock is located above the main lock. , and is connected with the main lock by the upper link 13, and another anti-theft lock is located below the main lock, and is connected with the main lock by the lower link 14. One end of the upper link 14 is connected with the swing arm 5 of an anti-theft lock, and the other end is connected with the slide block 15 of the main lock body 12, and one end of the lower link 14 is connected with the swing arm 5 of another anti-theft lock, and the other end is connected with the main lock body. The slide block 15 of the lock body 12 is connected.

[0028] For the heaven and earth lock including two anti-theft locks and a main lock, when the small dial on the panel or the key lock...

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Abstract

The invention discloses a theft-proof lock with a barb bolt, which comprises a buckle plate and a lock body; a bolt, barb resetting pieces and a swinging arm are arranged in the lock body; the inside of the bolt is hinged with a barb; and the swinging arm is hinged with the lock body, and one end of the swinging arm is connected with the bolt. The theft-proof lock with the barb bolt has a reasonable structure and good theft-proof effect. The invention further discloses a multi-lock system comprising the theft-proof lock, which comprises two theft-proof locks and one main lock; the main lock comprises a main buckle plate and a main lock body which is provided with a panel handle; one theft-proof lock is positioned above the main lock and connected with the main lock through an upper connecting bar; and the other theft-proof lock is positioned below the main lock and connected with the main lock through a lower connecting bar. The multi-lock system comprising the theft-proof lock has better theft-proof effect.

Description

technical field [0001] The invention relates to the field of hardware manufacturing, in particular to an anti-theft lock with a barb on a deadbolt and a heaven and earth lock including the anti-theft lock. Background technique [0002] Generally, the lock structure sold on the market mainly utilizes the rigid contact between the dead bolt and the striker plate to prevent damage to the lock body and the striker plate from being pried open. But once the lock body or the striker plate breaks, the door can be opened easily. As long as the intruder exerts a force or torque greater than that which the deadbolt and the striker can bear, causing the bolt or the striker to break, the intruder can open the door within a few seconds or tens of seconds. Contents of the invention [0003] In order to overcome the shortcomings of the prior art above, the present invention provides an anti-theft lock with reasonable structure and good anti-theft effect. [0004] Another object of the p...

Claims

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Application Information

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IPC IPC(8): E05B15/10E05B63/14
Inventor 罗宇聪罗宇超
Owner 罗宇聪
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