Anti-theft cover for large tank

Abstract

The invention relates to an anti-theft cover for a large tank. The anti-theft cover for the large tank comprises a cover plate installed at a tank opening of the large tank in a hinged mode and a locking mechanism installed on the side face, facing the interior of the large tank, of the cover plate; a blocking part is arranged on the side wall, close to the tank opening, of the large tank, and the working face of the blocking part faces the interior of the large tank; the locking mechanism comprises a first mounting seat, a second mounting seat, a control rod hinged to the first mounting seat and a telescopic unit hinged to the second mounting seat, wherein the first mounting seat and the second mounting seat are arranged on the cover plate; the control rod is provided with a locking end capable of abutting against the working face of the blocking part, and the control rod is hinged to the telescopic unit; and the telescopic unit has an extending state and a shortening state, and the locking mechanism has a locking state and an unlocking state. The anti-theft cover adopts a structure of a mechanical lock in the cover plate, realizes a built-in lock, is large in locking force, suitable for the large tank, stable in overall structure, low in cost and good in anti-theft effect, and can be directly modified and mounted on the existing large tank.

Description

technical field [0001] The invention relates to the field of security and anti-theft technology for large tanks, in particular to an anti-theft cover for large tanks. Background technique [0002] For some industrial materials or raw materials, it is necessary to use large tanks to hold them. In the traditional technology, the mouths of these large tanks are generally anti-theft with open locks, and open locks are for some criminals engaged in theft. It is extremely easy to be opened, so that the internal materials can be stolen. Contents of the invention [0003] The purpose of the present invention is to provide an anti-theft cover for large tanks, which adopts the structure of the internal mechanical lock of the cover to realize the function of "hidden lock", and has a strong locking force, especially suitable for large tanks, with a stable overall structure and easy control , and the cost is low. [0004] In order to achieve the above object, the present invention pr...

AI Technical Summary

Problems solved by technology

[0002] For some industrial materials or raw materials, it is necessary to use large tanks to hold them. In the traditional technology, the mouths of these large tanks are generally anti-theft with open locks, and open locks are for some criminals engaged in theft. It is extremely easy to be opened, so that the internal materials can be stolen

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