Straight Shaft Pump

Abstract

A shaft type water pump with straight steel tube is disclosed, which has a stator iron core frame (13) that is formed by casting a part of the stator iron core magnetic poles (12). The inner cavity of the stator is formed a closed straight steel tube. The other part of the stator iron core magnetic poles is exposed from the straight steel tube and is used as the line grooves of the stator winding. The inner cavity of the stator and the stator winding are completely arranged independently, which can achieve independent waterproof. The bracket of the rotor is composed by the stator iron core frame (13) and the water pump end cover (34). The rotor is designed with straight steel tube. The straight steel tube is fixed to a crankshaft of the water pump, and the blade (3) is mounted in inner wall of crankshaft. The shaft type water pump with straight steel tube is provided with a undersize volume, light weight, simple structure and lesser energy consumption.

Description

Technical field [0001] The present invention is a water pump with simple structure. It is a water pump with electromechanical integration. The design of the straight shaft saves the pump body, and the design of the stator core frame makes the stator winding and the inner cavity of the stator space Completely independent, the hollow-shaft design of the rotor makes it integrated with the pump. It has the characteristics of less auxiliary machinery, small volume, light weight, simple structure and low mechanical energy consumption. It can be used as a submersible pump, and can also be used as a propeller for ships and ships. It is an ideal substitute for some water pumps at present. Background technique [0002] At present, the various water pumps we use that are powered by electric motors generally install the pump body or propeller on the solid shaft of the electric motor. The power device and the functional device are independent of each other. Compared with the present i...

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Problems solved by technology

[0002] At present, the various water pumps we use that are powered by electric motors generally install the pump body or propeller on the solid shaft of the electric motor. The power device and the functional device are independent of each other. Poor, compared with the present invention, there are disadvantages such as complicated supporting machinery, poor waterproof performance, large kinetic energy loss and low efficiency

Chinese patent CN200810196523 is a non-moving sealed submersible pump. Compared with traditional submersible pumps, it has the advantage of simple structure, but it still installs the blades on the shaft, and the space between the stator inner cavity and the stator winding is not complete. Independent, can only be used as a submersible pump, compared with the present invention, the structure is still complicated, and the scope of application is limited

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