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Sewer well lid

A technology for sewers and manhole covers, applied to waterway systems, water supply devices, drainage structures, etc., can solve problems such as blockage of diversion grooves of manhole covers, and achieve the effects of large bearing capacity, simple structure and great practicability

Active Publication Date: 2013-05-01
SUZHOU BIJIA INTERNET TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem solved by the present invention is: to solve the problem of blockage of the diversion groove of the manhole cover of the rainwater well in the low-lying land during heavy rain, especially a non-blocking sewer manhole cover that automatically floats up when the flow is large and resets automatically when the flow is small

Method used

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with specific examples, but the scope of protection required by the present invention is not limited to the scope described in the specific examples.

[0031] Such as figure 1 , figure 2 A sewer manhole cover disclosed as shown is composed of an upper cover plate 2, a guide rod 4, and a lower well seat 5, and is characterized in that:

[0032] There is a groove 6 on the inner side of the lower well seat 5;

[0033] The lower well base 5 also includes a guide hole 7, and the guide hole 7 is in the groove 6 of the lower well base 5;

[0034] The middle of the groove 6 of the lower well block 5 also includes a wellhead 8;

[0035] The outer edge of the upper cover plate 2 is smaller than the groove 6 of the lower well base 5, when the upper cover plate 2 is put into the lower well base 5, the upper surface of the upper cover plate 2 is equal to the upper surface of the lower well base 5;

[0036] Th...

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Abstract

The invention discloses a sewer well lid and especially relates to a sewer well lid which automatically floats upward under a high flow condition, automatically resets under a small flow condition and is not plugged. The sewer well lid comprises an upper cover plate, a guide rod and a lower well base and is characterized in that a groove is arranged inside the lower well base; a guiding hole is formed in the groove; a plurality of flow-guiding slots are arranged on the upper cover plate; airtight air chambers are arranged between the flow-guiding slots; the average density of the upper cover plate and the guide rod is less than 0.9*103kg / m<3>; the guide rod passes through the guiding hole from the underside of the lower well base and is connected with the upper cover plate; at a use moment, the lower well base is poured in concrete floor and small flow water directly flows down from the flow-guiding slots of the upper cover plate and flows into a draining well along a wellhead; when the flow-guiding slots of the upper cover plate cannot meet the flow speed of high flow water, the upper cover plate floats in the lower well base, the upper cover plate is limited by the lowest end of the guide rod and water flows into the wellhead from a position between the upper cover plate and the lower well base; after the water flow is reduced, the upper cover plate descends and the upper cover plate enters into the groove of the lower well base under a guiding effect of the guide rod; and the practicability is strong.

Description

technical field [0001] The invention relates to a sewer manhole cover, in particular to a non-blocking sewer manhole cover that automatically floats up when the flow is large and resets automatically when the flow is small. Background technique [0002] The sewer manhole cover, commonly known as the water grate, is the manhole cover of the rainwater wells on both sides of the road. The sewer manhole cover is a device that introduces rainwater into the rainwater well, and at the same time has the function of preventing debris from entering the sewer and preventing pedestrians and vehicles from falling into the rainwater well. [0003] The sewer manhole cover is composed of a lower well seat and a cover plate, and the diversion groove in the middle of the cover plate is a channel for rainwater to flow. When it rains, plastic bags, waste paper, waste wood chips and other items will block the diversion groove in the middle of the cover plate due to the hydraulic transportation,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E03F5/06
Inventor 吴超
Owner SUZHOU BIJIA INTERNET TECH CO LTD
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