Water pump for water toothpick

According to the technical scheme, the water pump is characterized in that the water pump comprises a shell, a cylinder body installed on the shell and a piston installed on the cylinder body, and a water inlet channel is formed in the piston in the axial direction; one end of the water inlet channe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHU YONGCHAO, ZHU CHENGHAI, WANG GUOMING, FU YOUJUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE BLASTING DENTISTRY HEATING HUMAN NECESSITIES HYGIENE LIGHTING MECHANICAL ENGINEERING MEDICAL OR VETERINARY SCIENCE POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	According to the technical scheme, the water pump is characterized in that the water pump comprises a shell, a cylinder body installed on the shell and a piston installed on the cylinder body, and a water inlet channel is formed in the piston in the axial direction; one end of the water inlet channel is arranged in the cylinder body and is provided with a one-way valve, the other end of the waterinlet channel is connected with a hose, and the hose is connected with a water inlet pipe fixed in the shell; the one-way valve is an elastic sealing piece, the elastic sealing piece is long-strip-shaped, the first end of the elastic sealing piece is fixed to the piston, and the second end of the elastic sealing piece covers the end, located in the cylinder body, of the water inlet channel; the elastic sealing sheet is made of a hard steel sheet or a plastic sheet or a copper sheet; the elastic sealing sheet is riveted or bonded on the piston; one end, arranged in the tank body, of the water inlet channel is a trumpet