Article-drop preventing sewer cover

Abstract

The invention discloses an article-drop preventing sewer cover which comprises a cover body with fence holes, wherein a base is arranged on the two sides of the cover body; the cover body can move up and down in the base; a vertical reset spring is arranged between the cover body and the lower edge of the base; anti-leakage pieces corresponding to the fence holes are arranged on the lower side of the cover body; the two sides of the anti-leakage pieces are connected with a sideslip base plate; the sideslip base plate stretches into a gap between the lower edge of the base and the cover body; a gear group is arranged in the gap; one side of the gear group is meshed with a first rack on the inner wall of a gear cavity, and the other side is meshed with a second rack on the upper surface of the sideslip base plate; when the cover body moves downward, the first rack moves down and acts on the gear group; the gear group rotates and acts on the second rack, the sideslip base plate moves horizontally and the anti-leakage pieces move to the lower side of the fence holes. In a walking process of pedestrian, the fence holes can be closed to prevent small articles from falling into the sewer by accident; and after the pedestrian goes past the sewer, the fence holes can be automatically opened, and normal drainage is not influenced.

Description

technical field [0001] The invention belongs to the field of municipal supplies, and in particular relates to a sewer cover with the function of preventing objects from falling. Background technique [0002] With the acceleration of urbanization, urban infrastructure construction has attracted more and more attention from citizens, and some humanized details in municipal construction have also become more and more popular among citizens. [0003] At present, a lot of road both sides are also provided with the sewers that are used for rainwater, sewage discharge, and these sewers are covered with the sewer covers of fence type, and rainwater can enter in the sewers through the fence through holes when it rains, and is used for road drainage. However, this type of sewer cover often causes items to fall into the sewer. For example, when pedestrians walk on the side of the road, when items such as mobile phones, keys, and wallets fall from their hands, they pass through the fenc...

AI Technical Summary

Problems solved by technology

However, this type of sewer cover often has items falling into the sewer. For example, when pedestrians walk on the side of the road, when items such as mobile phones, keys, and wallets fall from their hands, they enter the sewer through the fence hole. It is often necessary to lift the sewer cover to take out the items. Once there is water in the sewer, it will also cause damage to the mobile phone, which is very troublesome

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