Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Lock-hidden anti-theft well lid
The invention discloses a lock-hidden anti-theft well lid which comprises a well seat and a well lid body arranged in the well seat. The well lid body is of a double-layer structure and comprises an upper lid plate and a lower lid plate. Connection reinforcing ribs are arranged between the upper lid plate and the lower lid plate. The left side of the well lid body is provided with a vertical strip-shaped through hole. A locking mechanism is arranged in the position, on the left side of the strip-shaped through hole, of the well lid body. The locking mechanism comprises two lock tongues connected in a U shape and locking holes formed in the side wall of the well seat and corresponding to the lock tongues. The bottom face of the upper lid plate is provided with two parallel fixing sleeves. Reset springs are arranged in the fixing sleeves. Spring limiting blocks are arranged on the positions where the lock tongues penetrate through and behind the reset springs. The reset springs are arranged between the spring limiting blocks and the right sides of the sleeves, and the right sides of the reset springs are fixed to the inner walls of the sleeves. According to the lock-hidden anti-theft well lid, a hidden locking mechanism is adopted, it is difficult to open the well lid through an unmatched opening tool, the anti-theft performance can be well improved, furthermore, the lock-hidden anti-theft well lid has the advantages of being concise and compact in structure, low in manufacturing cost and easy and convenient to use.
Lock-hidden anti-theft well lid
The invention discloses a lock-hidden anti-theft well lid which comprises a well seat and a well lid body arranged in the well seat. The well lid body is of a double-layer structure and comprises an upper lid plate and a lower lid plate. Connection reinforcing ribs are arranged between the upper lid plate and the lower lid plate. The left side of the well lid body is provided with a vertical strip-shaped through hole. A locking mechanism is arranged in the position, on the left side of the strip-shaped through hole, of the well lid body. The locking mechanism comprises two lock tongues connected in a U shape and locking holes formed in the side wall of the well seat and corresponding to the lock tongues. The bottom face of the upper lid plate is provided with two parallel fixing sleeves. Reset springs are arranged in the fixing sleeves. Spring limiting blocks are arranged on the positions where the lock tongues penetrate through and behind the reset springs. The reset springs are arranged between the spring limiting blocks and the right sides of the sleeves, and the right sides of the reset springs are fixed to the inner walls of the sleeves. According to the lock-hidden anti-theft well lid, a hidden locking mechanism is adopted, it is difficult to open the well lid through an unmatched opening tool, the anti-theft performance can be well improved, furthermore, the lock-hidden anti-theft well lid has the advantages of being concise and compact in structure, low in manufacturing cost and easy and convenient to use.
Lock-hidden anti-theft well lid
FU YUCHENG (Autor:in) / XU ZHE (Autor:in) / LI DEQUAN (Autor:in) / BAI YUPENG (Autor:in) / LIU QI (Autor:in)
16.09.2015
Patent
Elektronische Ressource
Englisch
IPC:
E02D
FOUNDATIONS
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Gründungen