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fire hydrant

A technology of fire hydrant and hydrant body, applied in fire rescue and other directions, can solve the problems of difficult to solve the water supply pressure, short spray distance of water gun can not reach long distance or high-altitude fire extinguishing, etc., and achieve the effect of alleviating the lack of water pressure

Active Publication Date: 2016-02-03
JIANGSU SAIDA ELECTRONICS SCI & TECH
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Problems solved by technology

[0002] Commonly used fire hydrants are generally used for fire extinguishing or irrigation of green belts. Whether it is fire extinguishing or irrigation, the water pressure in the fire hydrant must be kept at a preset value. The spraying distance of the fire hydrant is too short to meet the requirements of long-distance or high-altitude fire extinguishing. This problem will also be encountered during irrigation, but the water pressure in the fire hydrant is determined by the water supply pressure of the water supply side, and it is difficult to solve the water supply pressure in an emergency. The problem

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no. 1 approach

[0012] The first embodiment, such as figure 1 As shown, the fire hydrant in this embodiment includes a hydrant body 1, a water outlet 2 and a water inlet 3, the water inlet 3 communicates with the water supply side, and the water outlet 2 is used for the water pipe; between the water outlet 2 and the water inlet 3 A spherical piston 4 is arranged inside the plug body 1. There is a through hole in the middle of the piston 4. The diameter of the through hole is the same as the inner diameter of the plug body 1. The diameter of the spherical piston 4 is larger than the inner diameter of the plug body 1 and smaller than the outer diameter of the plug body 1. In order to facilitate the closing and opening of the spherical piston 4, a rotary rod 6 needs to be provided for the spherical piston 4. One end of the rotary rod 6 is fixed on the outer wall of the spherical piston 4, and the other end is connected to the rotary handle 5 through the plug body 1. , the rotary handle 5 is used...

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Abstract

The invention relates to the field of motors, and discloses a fire hydrant. The fire hydrant comprises a hydrant body, a water outlet and a water inlet, a spherical piston controlling the diameter of the water outlet is arranged in the position, between the water outlet and the water inlet, inside the hydrant body, the diameter of the spherical piston is smaller than the inner diameter of the hydrant body and is larger than the outer diameter of the hydrant body, and the aperture of a through hole of the spherical piston is equal to the inner diameter of the hydrant body. A rotary handle is arranged at the position, opposite to the spherical piston, outside the hydrant body, the rotary handle is used for controlling the spherical piston to be closed and opened through a rotary rod, one end of the rotary rod is fixedly arranged on the rotary handle, and the other end of the rotary rod is fixedly arranged on the outer wall of the spherical piston. A hydraulic sensor is further arranged on the inner wall of the spherical piston, a pressure meter used for displaying the water pressure value measured by the hydraulic sensor is arranged in the middle of the rotary handle, and the water pressure value measured by the hydraulic sensor is transmitted to and displayed on the pressure meter through a first data line. The water pressure of the fire hydrant can be measured, and when the water pressure is insufficient, the water pressure can be adjusted to relieve insufficiency of the water pressure.

Description

technical field [0001] The invention relates to the field of fire fighting equipment, in particular to a fire hydrant. Background technique [0002] Commonly used fire hydrants can generally be used for fire extinguishing or irrigation of green belts. Whether it is fire extinguishing or irrigation, the water pressure in the fire hydrant must be kept at a preset value. The spray distance of the fire hydrant is too short to meet the requirements of long-distance or high-altitude fire extinguishing. This problem will also be encountered during irrigation, but the water pressure in the fire hydrant is determined by the water supply pressure of the water supply side, and it is difficult to solve the water supply pressure in an emergency. The problem. Contents of the invention [0003] Purpose of the invention: The present invention provides a fire hydrant, which can measure its own water pressure at any time, and the user can also manually adjust the water pressure to alleviat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E03B9/02
Inventor 曹祥春
Owner JIANGSU SAIDA ELECTRONICS SCI & TECH
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