Pump body structure of self-priming pump

Abstract

The invention provides a pump body structure of a self-priming pump, belongs to the technical field of water pumps and solves the problem that a pump body of an existing self-priming pump is high in cost and low in manufacturing efficiency. The pump body structure comprises a plastic pump body, a first insert used for supporting a water pump motor is embedded on the plastic pump body, a rotating shaft of the water pump motor extends into the plastic pump body, a first anti-shedding structure used for preventing the first insert from shedding is arranged between the first insert and the plastic pump body, a second insert sleeving the rotating shaft and used for supporting an oil seal is arranged on the plastic pump body, and a second anti-shedding structure used for preventing the second insert from shedding is arranged between the second insert and the plastic pump body. In a manufacturing process for the pump body, the pump body and the inserts are jointly formed by injection molding for processing, so that the pump body structure has the advantages of high reliability, low cost, simplicity in manufacturing and the like.

Description

technical field [0001] The invention belongs to the technical field of water pumps, and relates to a self-priming pump, in particular to a pump body structure of the self-priming pump. Background technique [0002] At present, the pump body of the vortex self-priming pump on the market is mainly made of cast iron. In order to save materials, some pump bodies are made of plastic materials, and the motor and oil seal are installed on the plastic pump body. Due to the plastic material, the motor and oil seal cannot be installed. Very good support, so copper inserts are set in the pump body to fix the motor and oil seal to ensure the stability of the motor during use. At present, the copper inserts in the self-priming pump are processed after 24 hours of bonding and curing with glue, which has the following disadvantages: 1. The support inserts for the motor and oil seal are all supported by copper materials, and the cost is high; 2. It is easy to leak during processing. 3. The...

AI Technical Summary

Problems solved by technology

At present, the copper inserts in the self-priming pump are processed after 24 hours of bonding and curing with glue, which has the following disadvantages: 1. The support inserts for the motor and oil seal are all supported by copper materials, and the cost is high; 2. It is easy to leak during processing. 3. The production efficiency is low and the flow channel is not smooth

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