Title:
COMPOSITE TUBE HAVING FIXING FUNCTION AND FACILITATING WELDING
Document Type and Number:
WIPO Patent Application WO/2018/223568
Kind Code:
A1
Abstract:
A composite tube having a fixing function and facilitating welding. The tube comprises an inner tube (1). An outer side face of the inner tube (1) is provided with an outer tube (2); the length of the inner tube (1) is less than the length of the outer tube (2); a left end of the outer tube (2) is provided with a first welding groove (9); a right end of the outer tube (2) is provided with a second welding groove (13); a left end of the inner tube (1) is provided with a groove (3); a side face of the groove (3) is movably sleeved with an annular member (4); an inner side face of the outer tube (2) is provided with an annular clamping groove (5); the annular member (4) is rotatably connected to the annular clamping groove (5); the side face of the annular member (4) is provided with first fixing plates (6), and eight first fixing plates (6) are provided and same are distributed at equal radians on the side face of the annular member (4); a right end of the inner tube (1) is provided with eight evenly distributed second fixing plates (11); and the eight second fixing plates (11) are distributed at equal radians on the right side face of the inner tube (1). The composite tube has a simple structure, and a plurality of composite tubes can be quickly and accurately fixed, thus improving a welding effect and saving on time.
Inventors:
CHEN WEI (CN)
SHEN XIAOMEI (CN)
WANG CHUQIAO (CN)
SHEN XIAOMEI (CN)
WANG CHUQIAO (CN)
Application Number:
PCT/CN2017/104695
Publication Date:
December 13, 2018
Filing Date:
September 30, 2017
Export Citation:
Assignee:
JIANGSU SINPONCOMPOSITE MAT CO LTD (CN)
International Classes:
F16L13/02; F16L9/00; B23K101/06
Foreign References:
| CN205639932U | 2016-10-12 | |||
| CN203413252U | 2014-01-29 | |||
| CN101234454A | 2008-08-06 | |||
| CN205639900U | 2016-10-12 | |||
| RU2380603C1 | 2010-01-27 | |||
| US7243409B2 | 2007-07-17 | |||
| RU2200893C1 | 2003-03-20 |
Attorney, Agent or Firm:
SUQIAN YONGTAIRUIBO INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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