Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Burglarproof well cover capable of preventing flow backward
The invention discloses a burglarproof well cover capable of preventing flow backward, which comprises a well base and a well cover and is characterized in that an annular iron block is arranged on the well seat; the well cover is provided with an annular groove matched with the annular iron block, and the surface of the annular groove is provided with an electromagnetic layer; the well cover is provided with a password device and an electric control box, the password device is connected with the electric control box, and the electric control box is connected with the electromagnetic layer by a circuit; the lower end of the well cover is provided with an annular column; a cylindrical block is arranged below the annular column, a ring is arranged outside the cylindrical block, and the outer circumferential surface of the ring is in thread match with the inner circumferential surface of the well base; a plurality of connection strips are arranged between the inner circumferential surface of the ring and the outer circumferential surface of the cylindrical block, and are uniformly distributed along the cylindrical block; and chutes are formed on the connection strips. The burglar of the well cover can be effectively avoided.
Burglarproof well cover capable of preventing flow backward
The invention discloses a burglarproof well cover capable of preventing flow backward, which comprises a well base and a well cover and is characterized in that an annular iron block is arranged on the well seat; the well cover is provided with an annular groove matched with the annular iron block, and the surface of the annular groove is provided with an electromagnetic layer; the well cover is provided with a password device and an electric control box, the password device is connected with the electric control box, and the electric control box is connected with the electromagnetic layer by a circuit; the lower end of the well cover is provided with an annular column; a cylindrical block is arranged below the annular column, a ring is arranged outside the cylindrical block, and the outer circumferential surface of the ring is in thread match with the inner circumferential surface of the well base; a plurality of connection strips are arranged between the inner circumferential surface of the ring and the outer circumferential surface of the cylindrical block, and are uniformly distributed along the cylindrical block; and chutes are formed on the connection strips. The burglar of the well cover can be effectively avoided.
Burglarproof well cover capable of preventing flow backward
PENG GUOBIN (Autor:in)
30.12.2015
Patent
Elektronische Ressource
Englisch
IPC:
E02D
FOUNDATIONS
,
Gründungen