A variable water pump

Abstract

The invention discloses a variable variable water pump, which comprises a pump body. A pump chamber is arranged in the pump body. A pump cover is installed at the right end of the pump chamber. A power shaft is rotatably connected to the inside of the pump chamber. A left wheel disc and a right wheel disc are fixedly installed on the shaft; water inlet pipes and water outlet pipes are arranged on the side of the pump body; a plurality of first blades are hinged between the left wheel disc and the right wheel disc, and on the left wheel disc A left arc-shaped groove and a left straight groove are provided; the right wheel disc is provided with a right arc-shaped groove and a right straight groove; the first blade is pivotally connected with a second blade through a shaft, and the left side of the second blade is There is a left convex column on the side, and a right convex column on the right side; the two ends of the shaft are respectively located in the left arc groove and the right arc groove; the pump cover is equipped with an adjustment assembly, and the adjustment assembly is used for Because the driving shaft rod slides in the left arc groove and the right arc groove; the variable water pump not only has a simple structure, but also the displacement can be adjusted.

Description

technical field [0001] The invention belongs to the technical field of water pumps, in particular to a variable water pump. Background technique [0002] A water pump is a machine that does work on a fluid and is used to increase the pressure of the liquid and make the liquid flow. In industrial production and daily life, water pumps are used to transport clear water and other liquids whose physical and chemical properties are similar to water, and are widely used, such as tap water projects, air conditioning circulating water projects, boiler water supply, pressurized water supply, fire sprinkler systems , irrigation, power station, industrial water supply system, shipbuilding industry and oil refining industry and other fields. [0003] Water pumps are divided into many categories according to their working principles, including centrifugal water pumps. Before the centrifugal water pump is started, the pump cavity and the water inlet pipe are filled with water. After run...

AI Technical Summary

Problems solved by technology

The existing centrifugal water pump can only change the displacement of the pump by adjusting the speed, which will not only affect the efficiency of the pump, the head of the pump, but also need a speed regulating mechanism to control

Due to the high cost of speed regulating mechanisms such as frequency converters, when different flow rates are required, it is now widely used to control them by changing the pipeline characteristics through throttle valves, resulting in a lot of energy waste

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