A municipal well lid structure convenient to maintain

Abstract

The utility model provides a kind of municipal manhole cover structure convenient to maintain. The municipal manhole cover structure convenient to maintain includes: threaded rod is installed in the well body by thread;Supporting plate is fixed on the threaded rod;Limiting cylinder is placed on the top of the supporting plate;Metal cover is covered on the top of the limiting cylinder for closing the well body, the metal cover is equipped with the feed inlet allowing sewage to flow through;Extension ring is installed on the bottom of the metal cover and extends to the limiting cylinder for preventing manhole cover overturning.The municipal manhole cover structure convenient to maintain provided by the utility model ensures drainage function by setting metal cover with feed inlet and realizes the closure of well body top, prevents manhole cover overturning and falling by setting extension ring and limiting cylinder to form nested anti-overturning structure, improves personnel traffic safety.

Claims

1. A municipal manhole cover structure that is easy to maintain, characterized in that, include: A threaded rod installed inside a well. A support plate fixed to the threaded rod; A limiting cylinder placed on top of the support plate; A metal cover is placed on top of the limiting cylinder to seal the well body, and the metal cover is provided with an inlet that allows sewage to flow. An extension ring is installed at the bottom of the metal cover and extends into the limiting cylinder to prevent the manhole cover from tipping over.

2. The easy-to-maintain municipal manhole cover structure according to claim 1, characterized in that, The limiting cylinder is equipped with a filter screen frame for filtering urban sewage and rainwater. The filter screen frame is hinged with a handle for providing an operating grip point. The filter screen frame is provided with a hemispherical metal filter screen to prevent solid impurities from covering the filter screen frame.

3. The easy-to-maintain municipal manhole cover structure according to claim 1, characterized in that, The metal cover has a notch at the top, and a hanging rod is installed in the notch. The hanging rod can be connected to an external hook to assist in removing the metal cover. The top of the metal cover is provided with a reflector to increase the visibility of the metal cover.

4. The easy-to-maintain municipal manhole cover structure according to claim 1, characterized in that, The threaded rod and the support plate are arranged in groups. The bottom of each of the multiple support plates is fixed with a support block that contacts the inner wall of the well body to stabilize the support plate. The support block is a triangular prism.

5. The easy-to-maintain municipal manhole cover structure according to claim 2, characterized in that, The filter frame is equipped with a silicone ring that contacts the inner wall of the well body. The limiting cylinder is provided with mesh holes for secondary filtration of sewage. The top of the support plate is fixed with a shock-absorbing pad that contacts the bottom of the limiting cylinder to buffer pressure.

6. The easy-to-maintain municipal manhole cover structure according to claim 1, characterized in that, The threaded rod, support plate, limiting cylinder, metal cover and extension ring are all made of stainless steel. The threaded rod, support plate, limiting cylinder, metal cover and extension ring are all coated with anti-corrosion coating. The top of the metal cover is provided with anti-slip texture to increase the friction of stepping.

7. The easy-to-maintain municipal manhole cover structure according to claim 1, characterized in that, The metal cover is provided with a threaded hole, and a fixing bolt that is threaded to the well body and used to stabilize the metal cover is installed in the threaded hole.

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