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Rain perforated strainer with adaptive opening and closing drainage function

A rain grate and self-adaptive technology, applied in the direction of drainage structures, waterway systems, water supply devices, etc., can solve the problems of not being able to isolate odor and rodents, poor drainage, etc., and achieve the goal of not being easily damaged by pressure and increasing the load capacity Effect

Inactive Publication Date: 2017-12-08
CHENGDU SENYUHONG GREENING ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a self-adaptive opening and closing rain grate, which is used to solve the problems in the prior art that the rain grate grid is easily covered by dust, causing poor drainage, and can not isolate odor and rodents

Method used

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  • Rain perforated strainer with adaptive opening and closing drainage function
  • Rain perforated strainer with adaptive opening and closing drainage function
  • Rain perforated strainer with adaptive opening and closing drainage function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] combined with Figure 1-4 As shown, a rain grate for self-adaptive opening and closing drainage comprises a rectangular frame-shaped main body 2, the periphery of the main body 2 is provided with a shell 1 with a bottom, and the lower end of the main body 2 has no connection with the bottom of the shell 1. Seams are connected to form a hollow cavity. The main body 2 and the housing 1 are covered with a top cover 3. The middle part of the top cover 3 is a rib-shaped beam-shaped grille that protrudes downward. The grille accommodates In the middle of the main body 2, a drain switch 4 is provided at the neutral position of the grille. The drain switch 4 includes blades 42 with cylindrical mounting rods 41 at both ends. The side wall of the main body 2 is provided with a A through hole adapted to the installation rod 41, the installation rod 41 passes through the through hole and is provided with a rocker 10 at the end, the rocker 10 is hinged with a telescopic column 11, a...

Embodiment 2

[0035] On the basis of Example 1, in conjunction with the attached Image 6 As shown, further, the top cover 3 is fixedly connected with the housing 1 and the main body 2, and the end of the installation rod 41 is also provided with a return rod 9, and the return rod 9 is connected to the A return spring 8 is connected between the top covers 2 .

[0036]After the drainage is completed, or the amount of sewage water decreases, the water level in the hollow cavity gradually decreases, and the solid buoyancy device 5 gradually decreases, driving the telescopic column 11 to move down, pulling the rocker arm 10 to rotate, and passing The mounting rod 41 rotates the blade 42 to deflect. After the return spring 8 and the return pull rod 9 are added, the return pull rod 9 and the rocker arm 10 form a lever with the installation rod 41 as a fulcrum, the solid buoyancy device 5 floats up, and the The telescopic column 11 is stretched, the rocker arm 10 rotates up around the fulcrum, t...

Embodiment 3

[0038] On the basis of Embodiment 1, further, one side of the housing 1 and the top cover 3 is hinged through a hinge, and the end of the installation rod 41 is also provided with a return rod 9, and the return rod 9 A return spring 8 is provided at the free end of the return spring 8 , and the other end of the return spring 8 is fixed on the main body 2 .

[0039] After the drainage is completed, or the amount of sewage water decreases, the water level in the hollow cavity gradually decreases, and the solid buoyancy device 5 gradually decreases, driving the telescopic column 11 to move down, pulling the rocker arm 10 to rotate, and passing The mounting rod 41 rotates the blade 42 to deflect. After the return spring 8 and the return pull rod 9 are added, the return pull rod 9 and the rocker arm 10 form a lever with the installation rod 41 as a fulcrum, the solid buoyancy device 5 floats up, and the The telescopic column 11 is stretched, the rocker arm 10 rotates up around the...

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Abstract

The invention discloses a self-adaptive opening and closing rain grate, which comprises a main body, a shell and a top cover with a grid. The main body and the shell form a hollow cavity, and the neutral position of the grid is provided with a drainage switch, the drain switch includes blades with cylindrical mounting rods at both ends, the mounting rods are plugged into the main body, a rocker arm is provided at the end of the mounting rod, and a telescopic column is hinged on the rocker arm, The lower end of the telescopic column is fixed on the bottom of the shell, and the upper telescopic rod is plugged and fixed on the solid buoyancy device; the main body is provided with a water inlet, and the bottom of the shell is provided with a drain hole. The displacement of the hole is less than the displacement of the water inlet. When there is no water or the amount of water is small, the drainage switch is closed, which can isolate odor and rodents; when the amount of water is large, the blades deflect and push away the dust covered on the grid, which solves the problem of rain grates in the prior art. The grille is easily covered by dust and causes poor drainage.

Description

technical field [0001] The invention relates to the field of municipal drainage facilities, in particular to a self-adaptive opening and closing rain grate for drainage. Background technique [0002] The drainage ditch of the municipal drainage system is mostly concealed under the road surface, and ground sewage is collected by setting openings along the drainage ditch, and floor drains are installed at these openings for protection. The rain grate is a common floor drain device for municipal drainage. Most of the existing rain grates are flat bar grilles made of cast iron, polymer materials, stones, etc. This rain grate can play the role of drainage and safety protection, but the grill of this rain grate It is easy to be covered by compacted dust, causing poor drainage, and it is easy to generate odor in the gutter, which is also a common channel for mice to enter and exit. The existing rain grate can not isolate the odor in sunny days, and it also provides convenient for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E03F5/06E03F7/06
CPCE03F5/06E03F7/06E03F2005/061E03F2005/068
Inventor 王志国
Owner CHENGDU SENYUHONG GREENING ENG CO LTD
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