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Double lock device

A technology of double lock and main lock, applied in the direction of time lock, building lock, construction, etc., can solve the problem of adding a single lock, etc.

Inactive Publication Date: 2006-05-31
李学胜 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the previous double locks only increased the number of single locks, and each lock can be opened separately as long as it takes a little time
Therefore, it cannot be said that it has played a complete and sufficient role in preventing

Method used

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Embodiment Construction

[0021] In the following descriptions and accompanying drawings, reference numeral 1 is a double lock device, 2 is a main lock, 3 is an auxiliary lock, 4 is a housing, 5 is a locking plate, 6 and 7 are knobs, 8 is a spring timer, 9 9a is the first notch, 9b is the third notch, 10 is the cylinder lock side cam, 10a is the second notch, 11 is the auxiliary lock circle, 12 is the main lock cylinder, 13,14,15 are pins, 16,17 are key holes, 18 are springs, and 19 are plate parts.

[0022] The following pass Figure 1-Figure 9 Embodiments of the present invention will be described. figure 1 is a rear view of a double lock device 1 according to an embodiment of the present invention, figure 2 is a cross-sectional view of a double lock device 1, image 3 is a front view of the double lock device 1 .

[0023] Figure 1-Figure 3 The double locking device shown is used on an apartment door. figure 1 The picture shown is seen from the inside of the room, image 3 The picture shown ...

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Abstract

A dual fail-safe lock comprises a shell, a main lock and a subsidiary lock. The main lock includes a lock body and locking parts to lock and unlock by moving to the right or left. The subsidiary lock includes a lock body, a restricting part working on the locking parts and a driving device of the restricting part. The restricting part includes two cams fixed in opposite. On one of the two cams is installed the driving device. The main lock could be unlocked only within a certain time after the subsidiary lock is unlocked.

Description

technical field [0001] The invention relates to a double lock device with a main lock and an auxiliary lock, Background technique [0002] Conventionally, a cylinder lock has been known as an example of a locking mechanism. The inner cylinder and the outer cylinder of the cylinder lock are connected, and have screwdriver pins and toggle pins, etc., which are locked or unlocked by the rotation of the key. [0003] However, in recent years, incidents of unauthorized unlocking using special tools have been increasing. In order to prevent unauthorized unlocking, various countermeasures have been taken, and double lock is one of them. [0004] However, the previous double locks only increased the number of single locks, and each lock can be opened separately as long as it takes a little time. Therefore, it cannot be said that it has played a complete and sufficient preventive role. Contents of the invention [0005] The present invention is to solve the above-mentioned prob...

Claims

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Application Information

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IPC IPC(8): E05B35/12E05B43/00E05B63/14
Inventor 李学胜孙伯雄张蓓岚
Owner 李学胜
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