Title:
TELESCOPIC CONNECTING PIPE
Document Type and Number:
WIPO Patent Application WO/2018/157270
Kind Code:
A1
Abstract:
Disclosed is a telescopic connecting pipe formed by butt-joining a sleeve (1) and an insertion pipe (2). A threaded pipe (11) is arranged at a free end of the sleeve (1). A plurality of ring-shaped grooves (13) are arranged on an outer side of the sleeve (1). A plurality of ring-shaped grooves (24) are arranged on an outer side of a sheathing end of the insertion pipe (2), and sealing rings (25) are sheathed in the ring-shaped grooves (24). A threaded pipe (28) is arranged at a free end of the insertion pipe (2). The telescopic connecting pipe uses a sheathing structure, adjusts the length of a butt joint in a telescopic manner, can adapt to a butt-joining operation for pipe fittings with different connection distances, and is convenient and practical.
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| JP6208297 | Telescopic joint |
Inventors:
ZENG GUANGXIN (CN)
Application Number:
PCT/CN2017/075100
Publication Date:
September 07, 2018
Filing Date:
February 28, 2017
Export Citation:
Assignee:
ZENG GUANGXIN (CN)
International Classes:
F16L27/12
Domestic Patent References:
| WO2001065164A1 | 2001-09-07 |
Foreign References:
| CN204459556U | 2015-07-08 | |||
| CN201730120U | 2011-02-02 | |||
| CN106678469A | 2017-05-17 | |||
| CN206530801U | 2017-09-29 | |||
| CN201723881U | 2011-01-26 |
Attorney, Agent or Firm:
BEIJING UTC LIANFENG INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) et al. (CN)
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