Title:
ROTATABLE AIR PIPE AND INFLATION PUMP
Document Type and Number:
WIPO Patent Application WO/2022/141809
Kind Code:
A1
Abstract:
Rotatable air pipe (200) and an inflation pump (100). The rotatable air pipe (200) is connected to an air outlet hole (194) of the inflation pump (100); the air outlet hole (194) has a front hole wall (1941) and a rear hole wall (1942); and the rotatable air pipe (200) comprises a pipe body (210), a sleeve (220), and a first sealing ring (230). The pipe body (210) comprises a pipe body main body (240) and a pipe body base portion (250); a connector (260) is provided at the top of the pipe body main body (240); and the pipe body base portion (250) comprises a front base portion (251) and a rear base portion (252). The pipe body base portion (250) passes through the sleeve (220), the front base portion (251) is attached to the inner wall surface of the sleeve (220), the rear base portion (252) extends out of the sleeve (220), and the pipe body base portion (250) can rotate in the sleeve (220) about an axial direction thereof; a threaded portion (223) is provided on the outer peripheral surface of the bottom of the sleeve (220), and the threaded portion (223) is threadedly connected to the front hole wall (1941). The rear base portion (252) is movably inserted into the air outlet hole (194); the first sealing ring (230) is sleeved on a first outer peripheral surface (253) of the rear base portion (252); and the first sealing ring (230) is tightly attached to the rear hole wall (1942).
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Inventors:
LUO CHAOBIN (CN)
HU ZHONGLIN (CN)
HU ZHONGLIN (CN)
Application Number:
PCT/CN2021/081118
Publication Date:
July 07, 2022
Filing Date:
March 16, 2021
Export Citation:
Assignee:
DONGGUAN JISHENG AUTOMATION FACILITIES TECH CO LTD (CN)
International Classes:
F04B39/12; F04B35/04; F04B39/00
Foreign References:
| CN201148958Y | 2008-11-12 | |||
| CN203948244U | 2014-11-19 | |||
| CN211448968U | 2020-09-08 | |||
| CN109281817A | 2019-01-29 | |||
| CN209511340U | 2019-10-18 | |||
| US20130078119A1 | 2013-03-28 |
Attorney, Agent or Firm:
DONGGUAN CITY KEAN INTELLECTUAL PROPERTY OFFICE (GENERAL PARTNERSHIP) (CN)
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