Three-protection manhole cover

A technology of inspection well cover and cylinder, which is applied in the field of three-proof inspection well cover, can solve the problems of being easily stolen, affecting environmental sanitation, falling into the middle of the inspection well, etc., and achieves the effect of avoiding theft and simple structure

Inactive Publication Date: 2015-06-03
祖新华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the problems that the existing inspection well cover is easy to be stolen, the odor in the well overflows, and affects environmental hygiene. A kind of inspection well cover, it can avoid being stolen, the bad smell can't overflow, people can't fall into the inspection well after the inspection well cover is opened, there is no danger

Method used

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  • Three-protection manhole cover
  • Three-protection manhole cover
  • Three-protection manhole cover

Examples

Experimental program
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Embodiment Construction

[0012] exist figure 1 Among them, on the lower bottom surface of a hollow cylindrical plastic tube (3) with a diameter of 60 cm and a height of 13.8 cm, a spring (2) with a diameter of 1 cm and a height of 20 cm is fixed every 45 radians, and a spring (2) with a width of 1 cm is fixed at the lower end of the spring (2). A circular plastic ring (1) with a thickness of 0.4cm and a diameter of 60cm, fix the circular plastic ring (1) on the inner wall of the sewer at a distance of 20.4cm from the ground, the bottom of the plastic cylinder (3) is hollow, and evenly fix 32 diameters of 0.8cm on the side , a cylindrical plastic rod A (4) with a height of 13cm, a nylon anti-drop net (5) is tied between the top of the cylindrical plastic rod A (4) and the top surface of the hollow cylindrical plastic tube (3), and the distance from the cylindrical There is a thick 1cm at the right side 1cm of the place 0.5cm above the bottom surface of the plastic tube (3), a high-strength cylinder pla...

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Abstract

The invention discloses a manhole cover. A hollow cylindrical plastic tube is arranged on the inner wall of a sewer, wherein a strong-strength cylindrical plastic plate is arranged on the right side of the hollow cylindrical plastic tube. The manhole cover can be prevented from being thieved, odor can be prevented from overflowing, people can be prevented from falling into a manhole after the manhole cover is opened, and the manhole cover is safe and simple in structure.

Description

technical field [0001] The invention relates to a device which can prevent people from falling into the inspection shaft after the inspection shaft cover is lifted during flood flooding, and the odor in the inspection shaft cannot overflow at ordinary times. Background technique [0002] At present, the known inspection well cover is a cover made of cast iron, which is easy to become the target of criminals stealing. Usually, the odor in the inspection well overflows from the small hole on the cover, which affects environmental sanitation. When a flood occurs, the inspection well cover is opened. Afterwards, people will fall into the inspection well and their lives will be in danger. Contents of the invention [0003] In order to overcome the problems that the existing inspection well cover is easy to be stolen, the odor in the well overflows, and affects environmental hygiene. The utility model relates to a manhole cover, which can prevent theft from being stolen, and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D29/14
Inventor 祖新华
Owner 祖新华
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