Manual and automatic integrated passenger train water-feeding valve

Abstract

The invention relates to a manual and automatic integrated passenger train water-feeding valve, comprising a valve body, a valve cover, a water inlet and a water outlet. The valve cover is installed on the valve body and covers the valve body in a sealing mode, the water inlet is arranged at the bottom of the valve body, and the water outlet is arranged at the sidewall of the valve body. The water-feeding valve further comprises a water intake valve head, a water return opening, a water return valve head, a valve rod, a limit steel ball and a tension opening spring, wherein the water intake valve head is arranged in the valve body and located at the upper part of the water inlet, and the water return opening is arranged at any side of the valve cover; and the valve rod is arranged in the valve body and is a whole rod. The water-feeding valve has the advantages of high strength, good performance, attractive appearance, light weight, high level, simple operation, non-leakage while feeding water, synchronous water-feeding operation for two carriages, largely simplified water-feeding operation, and shorter water-feeding time.

Description

Technical field: [0001] The invention relates to a water supply valve for a railway passenger car, in particular to a manual and automatic integrated water supply valve for a railway passenger car. Background technique: [0002] At present, most of the water supply equipment for passenger cars does not have the function of self-returning water, so that the residual water in the water supply pipes will freeze in winter, making it impossible to supply water for passing passenger cars. Stations in many areas implement long-running water with normally open valves to prevent freezing of water supply pipes in winter, resulting in a great waste of water resources. Because the size of the water supply port of each passenger car is not uniform, it is difficult to connect with the water supply port of the passenger car when using the existing common rubber hose for water supply, often splashing and strenuous, especially in winter, it is more difficult for the water supply hose to free...

AI Technical Summary

Problems solved by technology

However, due to the backward function of the water supply equipment itself, the water supply personnel cannot guarantee that the water will not leak during the water supply, so symbolic water supply occurs, resulting in frequent lack of water on the bus, toilets that cannot be flushed, and passengers without water to drink, especially for long-distance buses. for serious

Now the passenger cars are speeding up significantly, and the parking time at each station is shortening. If you want to fill the passenger cars with water in a limited time, the existing old equipment is difficult to meet the requirements of the superior due to the complicated operation and high labor intensity.

The existing old equipment is cast iron, and the rust generated by it is harmful to the human body, and does not meet the requirements of the Ministry of Construction and the Ministry of Health for drinking water equipment.

Images