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Title:
OPENING AND CLOSING HANDLE, AND VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/176848
Kind Code:
A1
Abstract:
[Problem] The objective of the present invention is to provide an opening and closing handle with which an open/closed valve state can be accurately visually recognized, and with which entry of foreign matter can be prevented, and a valve provided with said opening and closing handle. [Solution] An open/closed display handle 10 for rotating a spindle 53 of an open/closed valve mechanism 50 of a valve device 1 is configured from a handle main body 10X having a handle-side gear 151 which rotates about an axis L of the spindle 53, a rotary display body 13 including an open/closed display portion 131 displaying an open/closed valve state and a display body-side gear 132, and a rotary fixed body 16 which axially supports a planetary gear 14 with freedom to spin, wherein the planetary gear 14, the handle-side gear 151, and the display body-side gear 132 form a differential rotary mechanism 10Y, and the handle main body 10X is configured from a visual recognition restricting body 12 which is covered by the rotary display body 13 and includes an opening portion 123 which opens in such a way that a part of the open/closed display portion 131 to be displayed can be visually recognized from the outside, and a transparent cover body 11 which covers the entire outside of the visual recognition restricting body 12 and is transparent to allow visual recognition from the outside.

Inventors:
TAKEDA Masaru (6-1, Shimosakabe 4-chome, Amagasaki-sh, Hyogo 75, 〒6610975, JP)
MIYATA Kazuyuki (6-1, Shimosakabe 4-chome, Amagasaki-sh, Hyogo 75, 〒6610975, JP)
Application Number:
JP2019/009649
Publication Date:
September 19, 2019
Filing Date:
March 11, 2019
Export Citation:
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Assignee:
NERIKI VALVE CO., LTD. (6-1 Shimosakabe 4-chome, Amagasaki-shi Hyogo, 75, 〒6610975, JP)
International Classes:
F16K37/00; F16K31/53; F16K31/60
Foreign References:
JP2012246964A2012-12-13
JP2004324665A2004-11-18
US4494566A1985-01-22
JP2011133043A2011-07-07
US20160153581A12016-06-02
DE3902731A11989-08-31
Attorney, Agent or Firm:
NAGATA Motoaki et al. (NAGATA Patent Office, 7th Floor Shiroguchi Bldg. 2-15, Kakuda-cho, Kita-ku, Osaka-sh, Osaka 17, 〒5300017, JP)
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