Novel antitheft well cover

Abstract

The invention relates to a well cover safety device, which mainly comprises a well cover, a well loop, a lock shield, a lock seat turnplate, a movable lock shaft and a key, wherein the well cover is overlapped on the well loop; the lower surface of the well cover is provided with two annular bosses: a lock shield fixing ring and a lock shaft positioning ring; the lock shield and the lock shield fixing ring are fixedly connected; the bottom part of the lock shield is movably connected with the lock seat turnplate; the middle part of the lock seat turnplate is fixedly connected with a key positioning cylinder in which a locking hole is arranged; and one end of the movable lock shaft is movably fixed in a lock shaft connecting hole in the lock seat turnplate and the other end of the movable lock shaft extends towards the well loop through the hole of the lock shaft positioning ring of the well cover. The antitheft well cover of the invention has a strict and reliable antitheft function and can effectively ensure that the well cover is not lost and underground facilities are absolutely safe. When the antitheft well cover is used, both the locking and unlocking are very convenient.

Description

technical field [0001] The invention relates to a well cover safety device. Background technique [0002] In the construction of municipal roads in cities, there are often many public facilities under the road, such as sewer pipes, water pipes, gas pipes, cable pipes, and so on. For the convenience of maintenance, these underground pipelines need to set up a wellhead leading to the ground every certain distance, and there must be a manhole cover that can be opened on the wellhead. . However, the facts have proved that although the traditional manhole covers are convenient to use, they have poor anti-theft function: criminals can easily steal the manhole covers, causing pedestrians and vehicles to be injured; Important facilities such as cables have caused huge economic losses to national property and seriously affected the normal life of the people. Contents of the invention [0003] The object of the present invention is to overcome the deficiencies of the prior art an...

AI Technical Summary

Problems solved by technology

However, the facts have proved that although the traditional manhole covers are convenient to use, they have poor anti-theft function: criminals can easily steal the manhole covers, causing pedestrians and vehicles to be injured; Cables and other important facilities have caused huge economic losses to national property and seriously affected the normal life of the people.

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