Water pump impeller

Abstract

The invention belongs to the technical field of water pump impellers, and particularly relates to a water pump impeller. The water pump impeller comprises a bottom disc, arc-shaped limiting sliding grooves and annular storage grooves, wherein the arc-shaped limiting sliding grooves are evenly formed in the edge of the upper surface of the bottom disc; arc-shaped blades are slidably arranged insidethe arc-shaped limiting sliding grooves; a lower rotating ring is arranged at the outer side of a mounting hole in the center of the bottom disc in a sleeving mode; the edge of the lower rotating ring is fixedly connected with one ends of the arc-shaped blades through pull ropes; movable limiting plates are fixedly arranged at the ends, close to the lower rotating ring, of the arc-shaped blades;the movable limiting plates are fixedly connected with fixed limiting plates through springs; and the fixed limiting plates are fixedly connected to the inner sides of the ends of the sides, close tothe lower rotating ring, of the arc-shaped limiting sliding grooves. According to the water pump impeller, the arc-shaped blades are arranged inside the arc-shaped limiting sliding grooves, the lengths, extending out of the arc-shaped limiting sliding grooves, of the arc-shaped blades can be changed in the mode that the pull ropes are wound around the lower rotating ring, and the overall size of the impeller can be changed, so that the impeller is suitable for water pumps with different sizes.

Description

technical field [0001] The invention belongs to the technical field of water pump impellers, in particular to a water pump impeller. Background technique [0002] The pump impeller is made of cast iron. The blades on the water pump impeller play a major role, and the shape and size of the water pump impeller are closely related to the performance of the water pump. Pump impellers can generally be divided into single-suction type and double-suction type. The double-suction impeller absorbs water on both sides, and the large-flow pump impeller adopts double-suction impeller; the impeller is the core component of the pump and is the main factor affecting the work efficiency; under certain working conditions, if the impeller is not well designed, it will be at the pump inlet. Hydraulic losses and clearance losses occur at the blades. [0003] Most of the impellers in the prior art are fixed in size and cannot be adjusted. The models required for pumps of different sizes are f...

AI Technical Summary

Problems solved by technology

[0005] In order to make up for the deficiencies of the existing technology, the size of the impeller produced in the prior art is fixed, which cannot be applied to water pumps of different types, where the impeller is often in contact with the fluid and is prone to wear, and the water or fluid contains fibers. Filaments or hard rods like branches will cause the impeller to be stuck, and then the impeller cannot continue to rotate, which will cause the motor connected to it to burn out. A water pump impeller proposed by the present invention

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