Multi-domain adjustable pressure regulator and installation method thereof

A technology of a pressure regulator and an installation method, applied in the directions of fluid pressure control, control/regulation systems, botanical equipment and methods, etc., can solve the problems of limited outlet preset pressure adjustment range, difficult manufacturing and assembly, and high price, etc. Achieve the effect of low price, simple structure, compact and lightweight

Inactive Publication Date: 2011-05-11
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned foreign multi-range adjustable pressure regulator can only adjust the spring compression length, so the outlet preset pressu...

Method used

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  • Multi-domain adjustable pressure regulator and installation method thereof
  • Multi-domain adjustable pressure regulator and installation method thereof
  • Multi-domain adjustable pressure regulator and installation method thereof

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Embodiment Construction

[0017] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0018] Such as figure 1 As shown, the present invention mainly includes a casing composed of an upstream part 1 , a downstream part 2 and a midstream part 3 , an inlet flower basket plug 4 , a T-shaped pressure regulating assembly 5 , a spring 6 , a seal 7 and a fastener 8 .

[0019] Such as figure 1 As shown, the upstream part 1 and the downstream part 2 of the shell of the present invention adopt a thin-walled cylindrical structure, and the opposite ends of the upstream part 1 and the downstream part 2 are made into a quick connection port, which includes flange connection if the diameter is more than 2 inches. The small diameter below 2 inches can be connected by rotary seal (please provide the picture, I can't imagine what it is like to choose the seal connection). Threads are provided on the outer walls of the other ends of the upstream part ...

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Abstract

The invention relates to a multi-domain adjustable pressure regulator and an installation method thereof. The multi-domain adjustable pressure regulator comprises a shell consisting of an upstream part, a downstream part and a midstream part, an inlet basket plug, a T-shaped pressure adjusting assembly and a spring. The midstream part comprises an upper part, a middle part, a lower part and two fixing rings; the middle part is connected with the upper part and the lower part through threads with opposite directions of turning, and is located by using the two fixing rings; the midstream part is fixedly connected with quick connectors which are arranged opposite to the upstream part and the downstream part; the end surface of the front part of the inlet basket plug is sealed; water inlet holes are arranged surrounding the inlet basket plug; the back part of the inlet basket plug is of a disc shape, and is sealed in a groove formed between the upstream part and the midstream part of the shell; the T-shaped pressure adjusting assembly comprises a central cylinder; the downstream of the central cylinder is connected with a sealed locating ring and the fixing rings through threads; one side of the upstream of the sealed locating ring is provided with a cylinder provided with a fixed spring; and one side of the downstream of the sealed locating ring is sealed and connected in the downstream part of the shell. The invention is applicable to irrigation systems in irregular irrigation districts and irrigation districts with larger relieves in particular.

Description

technical field [0001] The invention relates to a pressure regulator, in particular to a multi-value range adjustable pressure regulator suitable for branch pipes of pressure pipeline irrigation systems and an installation method thereof. Background technique [0002] The pressure regulator is a device that regulates the pressure in the pipeline in the pressure pipeline irrigation system, and is an important part of the drip irrigation system. Due to the difference in terrain and the distance between the head and the downstream irrigation plots, the water pressure at the entrance of each irrigation plot will change. The task of the pressure regulator is to ensure that when the water pressure at the entrance of each irrigation area changes, the pressure of the water flowing through it into the irrigation area is equal, so as to improve the irrigation uniformity of the pressure pipe irrigation system. According to whether the preset pressure from the outlet is adjustable, the...

Claims

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Application Information

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IPC IPC(8): F16K17/30F16K27/00A01G25/00
CPCG05D16/103
Inventor 李光永俞深彦
Owner CHINA AGRI UNIV
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