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Key forgetting prevention device

A key and anti-forget technology, applied in building locks, buildings, building structures, etc., can solve problems such as being unable to enter the door and prompting users to bring keys

Inactive Publication Date: 2017-03-08
张新强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the user cannot be reminded to bring the key when going out, and the embarrassment of not being able to enter the door due to forgetting the key often occurs

Method used

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0012] figure 1 , figure 2 It is an embodiment of the present invention, E is a DC power supply, K is an electric key, and its two ends a, b respectively represent the fixed metal sheet 2 and the movable metal sheet 3, the display 1 and the voice prompt device 6 are installed on the door, and the door handle 5 Fixed moving metal sheet 3 on the rotating shaft, this moving metal sheet 3 is insulated with insulator 4 with door handle 5; Fixed metal sheet 2 is fixed on the insulator 4, and this insulator 4 is fixed on the door. When turning the door handle 5 to open the door in the room, the movable metal sheet 3 is in contact with the fixed metal sheet 2, which is equivalent to the closing of the electric key K, and the circuit is connected; The metal sheet 2 breaks away, which is equivalent to the disconnection of the electric key K, and the display...

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PUM

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Abstract

The invention discloses a key forgetting prevention device, and aims to provide a device for reminding users to not forget taking keys when opening doors to go out. The key forgetting prevention device consists of a direct-current power supply, a display or voice prompt device, a movable metal piece, a fixed metal piece and leads for connecting all the parts; the direct-current power supply and the display or voice prompt device are mounted on an indoor surface of a door; a rotating shaft of an indoor handle is fixed with the movable metal piece; when the movable metal piece rotates to an ending position along with the indoor handle, the movable metal piece is contacted with the fixed metal piece on the door; the movable metal piece and the fixed metal piece are respectively connected two end points in the circuit interruption place, and are electrified when contacting to operate the display; and when the two metal pieces are separated, the circuit is interrupted, and the display is not operated.

Description

technical field [0001] The invention relates to a key lock device, which is an improvement to the existing key. Background technique [0002] The existing lock key can only lock or open the door, but has no reminding function. Therefore can not remind the user to take the key when going out, and the embarrassment of not being able to enter the door because of forgetting the key often takes place. [0003] content of the invention [0004] The invention overcomes the above-mentioned shortcomings of the prior art, and provides a device that can remind the user to bring the key when going out. [0005] The present invention adopts the following technical solutions: a key-forgetting device, in which a metal sheet on an insulator is fixed on the rotating shaft of the door handle, and the metal sheet rotates with the rotation of the door handle. When the inner handle of the door is turned, the metal sheet is in contact with another metal sheet fixed on the door: when the door i...

Claims

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Application Information

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IPC IPC(8): E05B17/00
Inventor 张新强
Owner 张新强