Title:
SOLENOID VALVE, AND CAR SEAT AND CAR DOOR HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2019/114557
Kind Code:
A1
Abstract:
A solenoid valve, comprising a housing (10). The housing (10) is provided with: a coil (20) that generates a magnetic field during turn-on; a static iron core (30) fixedly mounted with respect to the coil (20) and located in the magnetic field; and a movable iron core (40) that moves with respect to the coil (20) under the action of the magnetic field and attracts the static iron core (30). One of the static iron core (30) and the movable iron core (40) is provided with a protrusion (60), and the other one is provided with a slot (70) matching the protrusion (60). In at least part of the stroke of movement of the movable iron core (40) to the movable iron core (40), the protrusion (60) is located in the slot (70). Also provided are a car seat and a car door having the solenoid valve. Compared with the prior art, the solenoid valve can provide greater electromagnetic drive efficiency.
Inventors:
GONG HONGYU (CN)
FENG CHEN (CN)
CHEN JIAHUI (CN)
CHEN JING (CN)
FENG CHEN (CN)
CHEN JIAHUI (CN)
CHEN JING (CN)
Application Number:
PCT/CN2018/118171
Publication Date:
June 20, 2019
Filing Date:
November 29, 2018
Export Citation:
Assignee:
GUANGDONG ZHAOQING L & V CO LTD (CN)
International Classes:
F16H61/421; F15B13/044
Foreign References:
| CN103982604A | 2014-08-13 | |||
| CN102226480A | 2011-10-26 | |||
| CN201003522Y | 2008-01-09 | |||
| CN201982718U | 2011-09-21 | |||
| DE19833498A1 | 1999-01-28 | |||
| JPH0868461A | 1996-03-12 |
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (CN)
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