Title:
ORAL IRRIGATOR WATER PUMP AND ORAL IRRIGATOR
Document Type and Number:
WIPO Patent Application WO/2022/217656
Kind Code:
A1
Abstract:
An oral irrigator water pump and an oral irrigator. The oral irrigator water pump comprises a control panel (10), a spring (40), a housing (20), and a magnetic induction assembly (30); the housing (20) comprises a first housing (21) and a second housing (22); the control panel (10) is mounted on the second housing (22); the first housing (21) and the second housing (22) are internally provided with a first cylindrical cavity (211) and a second cylindrical cavity (221) that are communicated and coaxial with each other; the magnetic induction assembly (30) is disposed in the first cylindrical cavity (211) and the second cylindrical cavity (221); the magnetic induction assembly (30) comprises a stator electromagnetic coil assembly (31) and a rotor assembly (32); a part of the rotor assembly (32) passes through the stator electromagnetic coil assembly (31); the rotor assembly (32) comprises a connecting shaft (321), a piston (322), a magnet (323), and a magnetic ring (324); the piston (322), the magnet (323), and the magnetic ring (324) are all sleeved on the connecting shaft (321); one end of the spring (40) is connected to one end of the connecting shaft (321); the magnetic ring (324) is disposed close to the spring (40); and the magnetic ring (324) is disposed outside the stator electromagnetic coil assembly (31).
Inventors:
LIN ZHANGMIN (CN)
CHEN BIN (CN)
CHEN BIN (CN)
Application Number:
PCT/CN2021/090673
Publication Date:
October 20, 2022
Filing Date:
April 28, 2021
Export Citation:
Assignee:
SHENZHEN CHAOWEI SYSTEM TECH CO LTD (CN)
International Classes:
F04B53/16; A61C17/032; F04B17/04; F04B53/00
Foreign References:
| JPH0491377A | 1992-03-24 | |||
| SU1451338A1 | 1989-01-15 | |||
| JP2011106324A | 2011-06-02 | |||
| CN201806795U | 2011-04-27 |
Attorney, Agent or Firm:
SHENZHEN ZHONGRONG CHUANGZHI PATENT AGENCY (GENERAL PARTNERSHIP) (CN)
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