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Patent Searching and Data


Title:
TELESCOPIC TUBE FOR VACUUM CLEANER
Document Type and Number:
WIPO Patent Application WO/2019/015196
Kind Code:
A1
Abstract:
Disclosed is a telescopic tube for a vacuum cleaner. The telescopic tube comprises an inner tube (1) and an outer tube (6), wherein the inner tube (1) is inserted in the outer tube (6), and sliding limitation between the inner tube (1) and the outer tube (6) is realized by means of a limiting structure; the limiting structure comprises a limiting flange (5) fixedly arranged on an outer wall of the inner tube (1) and a limiting retaining ring installed at an end opening of the outer tube (6); the limiting retaining ring comprises a left-half limiting retaining ring (4) and a right-half limiting retaining ring (3), and the left-half limiting retaining ring (4) is hinged with the right-half limiting retaining ring (3); the left-half limiting retaining ring (4) is fixedly arranged at the end opening of the outer tube (6), and an outer wall of the left-half limiting retaining ring (4) is provided with a fastening clamping hole; an inner wall of the right-half limiting retaining ring (3) is provided with a fastening clamping protrusion, and the fastening clamping hole cooperates with the fastening clamping protrusion to realize fastening of the left-half limiting retaining ring (4) and the right-half limiting retaining ring (3); and an inner wall of the right-half limiting retaining ring (3) is provided with an annular limiting infolding edge (2). The limiting structure between the outer tube (6) and the inner tube (1) of the telescopic tube for the vacuum cleaner can facilitate the assembly and disassembly of the inner tube (1) and the outer tube (6).

Inventors:
LU, Wenliang (Room 103, Building 42Mabang Garden, Huqiu Distric, Suzhou Jiangsu 9, 215129, CN)
Application Number:
CN2017/113314
Publication Date:
January 24, 2019
Filing Date:
November 28, 2017
Export Citation:
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Assignee:
SUZHOU EULOGY ELECTRICAL APPLIANCE CO., LTD. (No. 699 Changjiang Road, High-Tech ZoneSuzhou, Jiangsu 9, 215129, CN)
International Classes:
A47L9/24; F16L27/00
Foreign References:
CN107184151A2017-09-22
CN2364836Y2000-02-23
CN1751649A2006-03-29
CN104595310A2015-05-06
CN101089443A2007-12-19
CN101053503A2007-10-17
US20010010790A12001-08-02
US20050141953A12005-06-30
US20140369746A12014-12-18
Attorney, Agent or Firm:
CHINA FARFIR INTELLECTUAL PROPERTY (Room 711, Tower AWantong New World Office Building,No. 2 Fuwai Street, Xicheng District, Beijing 7, 100037, CN)
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