Flood control well lid
A manhole cover and manhole cover seat technology, which is applied in waterway systems, drainage structures, water supply devices, etc., can solve the problems of difficulty in identifying the location of the wellhead, insecurity, time-consuming and labor-intensive efficiency, etc.
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[0014] The embodiment is basically as follows:
[0015] as attached figure 1 Shown: including the manhole cover seat 1 and the manhole cover, the manhole cover seat 1 is fixed on the wellhead, the manhole cover is matched and placed on the manhole cover seat 1, combined figure 2 As shown, the well cover includes an outer plate and an inner cover. The outer plate includes a chassis 2, a bracket 7 and a guide body 8. The end face of the chassis 2 has a tapered hole, and the area of the small diameter of the tapered hole at one end accounts for 1 / 5-1 / 2 of the area of the well cover. To facilitate fast drainage of accumulated water, the chassis 2 is provided with 4 drainage holes 4 in addition to facilitate the drainage of accumulated water when the accumulated water is small. The inside of the taper hole is fixed with a guide body 8 by a bracket 7, and the guide body 8 is provided with a through hole. like figure 1 As shown, an inner cover is provided in the taper hole, an...
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