Title:
NOZZLE STRUCTURE USED FOR FIRE-FIGHTING, AND HELICOPTER PLATFORM FIRE-FIGHTING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2024/001446
Kind Code:
A1
Abstract:
The present application belongs to the technical field of nozzle structures. Disclosed are a nozzle structure used for fire-fighting, and a helicopter platform fire-fighting system. Said nozzle structure comprises an outer pipe body and an annular cover, wherein an annular flange is arranged on the upper portion of the outer pipe body; an inner pipe body is arranged in an inserted manner in the outer pipe body; the lower end of the inner pipe body is provided with an opening; the upper end of the inner pipe body is provided with upper spraying holes; the inner pipe body can slide up and down in the outer pipe body; the annular cover is arranged at the upper portion of the outer pipe body and sleeves the upper end of the inner pipe body; a water discharge annular channel is formed between the inner pipe body and the outer pipe body and between the annular flange of the outer pipe body and the annular cover; the annular cover is further provided with lower spraying holes; and the lower spraying holes are communicated with the water discharge annular channel. The present application can perform all-around overall three-dimensional covering spraying on a helicopter platform, has a wide spraying range, a good atomization effect and a good fire extinguishing effect, and can eliminate fire disasters in a short time.
Inventors:
LIU GANG (CN)
MA XIAOYAN (CN)
LIU YINHUAN (CN)
MA XIAOYAN (CN)
LIU YINHUAN (CN)
Application Number:
PCT/CN2023/089124
Publication Date:
January 04, 2024
Filing Date:
April 19, 2023
Export Citation:
Assignee:
NORTH SEA OFFSHORE TECH YANTAI CO LTD (CN)
International Classes:
A62C31/03; A62C31/28
Domestic Patent References:
| WO2020112629A1 | 2020-06-04 |
Foreign References:
| CN106215354A | 2016-12-14 | |||
| KR101860229B1 | 2018-06-29 | |||
| CN202211948U | 2012-05-09 | |||
| CN217745478U | 2022-11-08 | |||
| CN114939248A | 2022-08-26 | |||
| CN104399216A | 2015-03-11 |
Attorney, Agent or Firm:
YANTAI SHANGHE INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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