Hand-held oral irrigator
The utility model provides a hand-held oral irrigator. The oral irrigator comprises a main body, a terminal, a liquid accumulator, a pump, a pump body, a piston and a pump gear, wherein the terminal is separately connected to the main body; the liquid accumulator is detachably coupled to the main bo...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model provides a hand-held oral irrigator. The oral irrigator comprises a main body, a terminal, a liquid accumulator, a pump, a pump body, a piston and a pump gear, wherein the terminal is separately connected to the main body; the liquid accumulator is detachably coupled to the main body; the liquid accumulator comprises a filling door, when the liquid accumulator is configured to fill the liquid accumulator when the liquid accumulator is connected to the main body; the pump is arranged in the main body, is operable to lead out fluid from the liquid accumulator through the lower surface of the main body, and is used for pushing the fluid to the terminal; the pump body is used for limiting a cavity communicated with the fluid in an inner fluid passage; the piston is positioned in the cavity of the pump body; when the piston moves downward in the cavity, a first valve is opened, and a second valve is closed; when the piston moves upward in the cavity, the second valve is opened, and the first valv |
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