Water valve of water tank

Abstract

The invention discloses a water valve of a water tank. The water valve comprises a valve cover (4), a valve casing (5), a spring (6), a post rod (7) and a float ball (8), wherein, the valve cover (4) is connected with the valve casing (5) in a locating manner by a seal thread; the valve casing (5) is in slide fit with the post rod (7); and the post rod (7) is fastened with the float ball (8). The water valve is characterized in that the valve casing (5) is provided with a seal internal thread, a drain hole and a locating hole; the valve cover (4) is equipped with a hole in which a water inlet pipe (3) is arranged, a concave spherical surface (401) and an external thread; the post rod (7) is equipped with a convex spherical surface (701), a groove in which the spring (6) is arranged, and a round pin; and the float ball (8) is a hollow sphere with a connecting hole. In the invention, after the spring (6) is installed, the post rod does not move back to drain water off in the case of low water pressure by means of an elastic force; in the case of high water pressure, water flow washes away the post rod (7) so that water is filled into the water tank (1), and then the float ball (8) pushes back the post rod (7) so as to stop filling water after sufficient water is filled; and in the case of low water pressure, the spring (6) props against the post rod (7) so as to stop filling water.

Description

technical field [0001] The invention relates to the technical field of mechanical hardware, in particular to a water valve Background technique [0002] At present, due to the rapid growth of the urban population, the infrastructure construction of domestic tap water facilities cannot keep up with the urban population growth rate, resulting in insufficient water pressure, which seriously affects the lives of residents. For this reason, we can only use booster pumps to increase the pressure or use water storage tanks to store water , the government plans to expand the construction of tap water stations to ensure that residents have sufficient water. Residents' household water storage tanks (pools) are generally equipped with an automatic water stop valve, which automatically releases water when the water level drops to a certain position, and automatically closes when the water level rises to a certain position, and stops water discharge. [0003] But there is following shor...

AI Technical Summary

Problems solved by technology

[0004] 1. The use of booster pumps increases water costs and consumes energy;

[0005] 2. The expanded water station is busy during the day and insufficiently opened at night, wasting resources

[0006] 3. Since residents generally use water before going to work in the morning and after get off work in the evening, the peak period of water consumption is formed at this time. Since the water in the water storage tank (pool) is continuously replenished during the process of use, the water consumption during the peak period has not been reduced. , resulting in a decrease in the pressure of the entire waterway, insufficient water pressure, and even no water available in taller buildings

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