Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention provides a key insertion alarm lock which can give the alarm when a key is inserted in the key insertion alarm lock and stays in a lock hole, thereby achieving the function of preventing a thief or reminding a user to pull out the key. A lock hole fixed contact is arranged in the end of the lock hole; a leaf spring is arranged outside the lock hole fixed contact; the leaf spring is provided with a lock hole movable contact; a cylinder bottom fixed contact is arranged at the cylinder bottom of a lock cylinder and located on the center axis of the lock cylinder; a lock cylinder center axis contact is arranged on the cylinder bottom fixed contact and is always in contact with the cylinder bottom fixed contact; the lock cylinder center axis contact is connected with the lock hole fixed contact through a conducting wire; a round contact, of which the center is located on the center axis of the lock cylinder, is arranged at the cylinder bottom of the lock cylinder; a lock cylinder edge contact is arranged on the round contact and is always in contact with the round contact; the lock cylinder edge contact is connected with the leaf spring of the lock hole fixed contact; the cylinder bottom fixed contact is connected with one conducting wire of a sounder; the other conducting wire of the sounder is connected with a power supply; and the other conducting wire of the power supply is connected with the round contact. When the key is inserted in the lock hole, the lock hole movable contact is contacted with the lock hole fixed contact, and the sounder gives the alarm.
The invention provides a key insertion alarm lock which can give the alarm when a key is inserted in the key insertion alarm lock and stays in a lock hole, thereby achieving the function of preventing a thief or reminding a user to pull out the key. A lock hole fixed contact is arranged in the end of the lock hole; a leaf spring is arranged outside the lock hole fixed contact; the leaf spring is provided with a lock hole movable contact; a cylinder bottom fixed contact is arranged at the cylinder bottom of a lock cylinder and located on the center axis of the lock cylinder; a lock cylinder center axis contact is arranged on the cylinder bottom fixed contact and is always in contact with the cylinder bottom fixed contact; the lock cylinder center axis contact is connected with the lock hole fixed contact through a conducting wire; a round contact, of which the center is located on the center axis of the lock cylinder, is arranged at the cylinder bottom of the lock cylinder; a lock cylinder edge contact is arranged on the round contact and is always in contact with the round contact; the lock cylinder edge contact is connected with the leaf spring of the lock hole fixed contact; the cylinder bottom fixed contact is connected with one conducting wire of a sounder; the other conducting wire of the sounder is connected with a power supply; and the other conducting wire of the power supply is connected with the round contact. When the key is inserted in the lock hole, the lock hole movable contact is contacted with the lock hole fixed contact, and the sounder gives the alarm.
Key insertion alarm lock
BIAN HAIBING (Autor:in)
06.05.2015
Patent
Elektronische Ressource
Englisch
IPC:
E05B
LOCKS
,
Schlösser