Title:
MICRO WATER PUMP AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/110292
Kind Code:
A1
Abstract:
A micro water pump and an electronic apparatus. The micro water pump comprises a pump body (10) and a driving mechanism (20), wherein the pump body is provided with an inner cavity (101), a liquid inlet (102) communicating with the inner cavity, and a liquid outlet (103) communicating with the inner cavity; and the driving mechanism is mounted at the pump body so as to drive liquid to enter the inner cavity from the liquid inlet and to be discharged from the liquid outlet. The pump body comprises a base (11), an upper cover (12) and a sealing ring (13), wherein one of the base and the upper cover is provided with a first annular recess (121) that surrounds the outer side of the inner cavity; and the sealing ring is sandwiched between the base and the upper cover and is partially embedded in the first annular recess. The first annular recess comprises a recess bottom wall (1211) that faces the base or the upper cover. At least two first annular protrusions (131) are arranged, in a protruding manner, on the side of the sealing ring that faces the recess bottom wall; and at least one second annular protrusion (132) is arranged, in a protruding manner, on the side of the sealing ring that faces away from the first annular protrusions. The sealing ring of the micro water pump can form double or multiple seals, and has a good sealing effect; and by means of the sealing ring, a water flow channel can be lengthened, and the resistance against the outward leakage of liquid in the inner cavity is increased, such that a relatively good sealing effect is achieved.
Inventors:
XU DETAO (CN)
LING FANGHUA (CN)
LING FANGHUA (CN)
Application Number:
PCT/CN2020/134680
Publication Date:
June 02, 2022
Filing Date:
December 08, 2020
Export Citation:
Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC MICROTECH CHANGZHOU CO LTD (CN)
AAC MICROTECH CHANGZHOU CO LTD (CN)
International Classes:
F04D13/06; F04D29/42; F16J15/02
Foreign References:
| CN210484096U | 2020-05-08 | |||
| CN210460890U | 2020-05-05 | |||
| CN211082299U | 2020-07-24 | |||
| CN2069946U | 1991-01-23 | |||
| CN211599023U | 2020-09-29 | |||
| TWI308941B | 2009-04-21 |
Attorney, Agent or Firm:
SHENZHEN LIDAO INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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