Pipeline pump with self-suction function

Abstract

The invention discloses a pipeline pump with a self-suction function. The pipeline pump with the self-suction function comprises a motor, a flange piece, a pump body and a control device, wherein thepump body comprises a pump shell and a pump cover; a water inlet and a water outlet are formed in the pump shell; an impeller chamber is formed between the pump cover and the pump shell; an impeller assembly is arranged in the impeller chamber and comprises a water inlet impeller, a water outlet impeller and a partition; the partition divides the impeller chamber into a water inlet channel and a water outlet channel; the water inlet impeller is positioned in the water inlet channel; the water outlet impeller is positioned in the water outlet channel; the water inlet communicates with the waterinlet channel; the water outlet channel communicates with the water outlet; a water tank is formed between the pump shell and the flange piece; the center of the water tank upwards extends and erectsto form a water tube; a water hole is formed between the water tank and the water inlet channel; a reflux hole is formed between the water tank and the water inlet; and a check valve is arranged in the reflux hole. The pipeline pump has the self-suction function, the control device is compact and reasonable in structural design, and the pipeline pump is attractive in integral appearance and widein market prospect.

Description

technical field [0001] The invention is a pipeline pump with self-suction function. Background technique [0002] The main structure of the existing pipeline pump is a pump casing and a centrifugal impeller installed in the pump casing. The pipeline pump with this structure has a low suction lift and no self-priming function. If you want to increase the suction lift, you need to set more One impeller, similar to deep well pumps on the market, this kind of pipeline pump with multiple impellers has a large overall volume and low work efficiency, and the existing pipeline pump, the pressure tank is set outside the pump body, the overall aesthetics Big discount. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a pipeline pump with a self-priming function, which can realize the self-priming function, increase the suction lift while reducing the overall size and volume, and also reasonably configure the circuit control...

AI Technical Summary

Problems solved by technology

[0002] The main structure of the existing pipeline pump is a pump casing and a centrifugal impeller installed in the pump casing. The pipeline pump with this structure has low suction and no self-priming function. If you want to increase the suction, you need to install more One impeller, similar to deep well pumps on the market, this kind of pipeline pump with multiple impellers has a large overall volume and low work efficiency. Moreover, the existing pipeline pump, the pressure tank is set on the outside of the pump body, and the overall aesthetics Big discount

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