CN204627176U - The non-reminder device of key - Google Patents

The non-reminder device of key Download PDF

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Publication number
CN204627176U
CN204627176U CN201520318074.XU CN201520318074U CN204627176U CN 204627176 U CN204627176 U CN 204627176U CN 201520318074 U CN201520318074 U CN 201520318074U CN 204627176 U CN204627176 U CN 204627176U
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China
Prior art keywords
key
resistance
piezo
lock core
sounding
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CN201520318074.XU
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Chinese (zh)
Inventor
池璟璇
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池璟璇
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Priority to CN201520318074.XU priority Critical patent/CN204627176U/en
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Abstract

The utility model relates to the non-reminder device of a kind of key, comprises lock core and the key supporting with lock core, and lock core inside is provided with the piezo-resistance of the pressure that can sense key; What be electrically connected with piezo-resistance also has a sounding device and power supply.The beneficial effects of the utility model are: when key inserts after in the lockhole of lock core, key withstands piezo-resistance, due to the effect of piezo-resistance, the circuit turn-on of device, now sounding device is sounded, and reminding user pulls out key in time, solves after people open the door and forgets the problem pulling up key.

Description

The non-reminder device of key
Technical field
The utility model relates to a kind of alarm set, particularly relates to the non-reminder device of a kind of key.
Background technology
Present people more and more pay attention to the indoor person and property safety, and substantially each door is provided with lock, what have also adds security door, but a lot of people to forget through often after turning the key in the lock and pulls up key, threatens to the person within doors and property safety.
Utility model content
Technical problem to be solved in the utility model is to provide the non-reminder device of a kind of key, solves after people open the door and forgets the problem pulling up key.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: the non-reminder device of a kind of key, comprises lock core and the key supporting with described lock core, it is characterized in that: described lock core inside is provided with the piezo-resistance of the pressure that can sense described key; What be electrically connected with described piezo-resistance also has a sounding device and power supply.
The beneficial effects of the utility model are: when key inserts after in the lockhole of lock core, key withstands piezo-resistance, due to the effect of piezo-resistance, the circuit turn-on of device, now sounding device is sounded, and reminding user pulls out key in time, solves after people open the door and forgets the problem pulling up key.
Further, described sounding device is electric bell; Described electric bell is located on door or on wall.
The beneficial effect of above-mentioned further scheme is: if sounding device adopts electric bell, and installed before user electric bell just do not need again to install, only need device to connect with electric bell separately, provide cost savings.
Further, described power supply is battery.
The beneficial effect of above-mentioned further scheme is: battery is easy for installation, and structure is simple, can not affect indoor beauty because of routing problem.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the circuit theory diagrams of the utility model embodiment.
1-lock core, 2-key, 3-piezo-resistance, R-piezo-resistance, E-battery, Y-electric bell in figure.
Detailed description of the invention
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining utility model, is not intended to limit the scope of utility model.
The non-reminder device of a kind of key as shown in Figure 1 and Figure 2, comprise lock core 1 and the key 2 supporting with lock core 1, lock core 1 inside is provided with the piezo-resistance 3 of the pressure that can sense key 2; What be electrically connected with piezo-resistance 3 also has a sounding device and power supply.Described sounding device is preferably electric bell Y; Described electric bell Y is located on door or on wall.Described power supply is preferably battery E.When key 2 inserts lock core 1, after piezo-resistance R senses pressure, the whole circuit turn-on of device, electric bell Y sounds, user is made to remember to pull out key 2, because if key 2 does not pull out, circuit is conducting always, electric bell Y sounding always, only have after key 2 pulls out, the resistance of piezo-resistance R increases, and circuit disconnects, electric bell Y no longer sounding.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (3)

1. the non-reminder device of key, comprises lock core and the key supporting with described lock core, it is characterized in that: described lock core inside is provided with the piezo-resistance of the pressure that can sense described key; What be electrically connected with described piezo-resistance also has a sounding device and power supply.
2. the non-reminder device of key according to claim 1, is characterized in that: described sounding device is electric bell; Described electric bell is located on door or on wall.
3. the non-reminder device of key according to claim 1, is characterized in that: described power supply is battery.
CN201520318074.XU 2015-05-15 2015-05-15 The non-reminder device of key Active CN204627176U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520318074.XU CN204627176U (en) 2015-05-15 2015-05-15 The non-reminder device of key

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520318074.XU CN204627176U (en) 2015-05-15 2015-05-15 The non-reminder device of key

Publications (1)

Publication Number Publication Date
CN204627176U true CN204627176U (en) 2015-09-09

Family

ID=54046216

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520318074.XU Active CN204627176U (en) 2015-05-15 2015-05-15 The non-reminder device of key

Country Status (1)

Country Link
CN (1) CN204627176U (en)

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