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Patent Searching and Data


Title:
DETACHABLE QUICK CONNECTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/033952
Kind Code:
A1
Abstract:
Disclosed is a detachable quick connecting device, comprising a joint portion section (101) with an open channel (141), a socket part (20) for retaining an opposing insertion pipe, and a retaining lock spring (30) mounted in an inner space of the socket part in a cooperative manner. The retaining lock spring comprises pressing portions (31a, 31b) and retaining portions (32a, 32b), the retaining portions are provided with radially extending retaining flanges (33a, 33b) at free end portions thereof, and a wall face, adjacent to the joint portion section, of the socket part is provided with a through hole (27) for holding an insertion section of the opposing insertion pipe, wherein a radial spacing between the retaining flanges of the retaining portions is at least equal to or less than the diameter of the through hole in the socket part, and is less than the external diameter of the insertion section of the opposing insertion pipe. The quick connecting device ensures quick connection and locking with the opposing insertion pipe, while also realising a compact structure, and same can also prevent the improper insertion and accidental release of the opposing insertion pipe.

Inventors:
QUE, Feng (159 # Jing Qi Road, Ding Mao District New Are, Zhenjiang Jiangsu 9, 212009, CN)
ZHOU, Yingjun (159 # Jing Qi Road, Ding Mao District New Are, Zhenjiang Jiangsu 9, 212009, CN)
Application Number:
CN2018/099085
Publication Date:
February 21, 2019
Filing Date:
August 07, 2018
Export Citation:
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Assignee:
A. RAYMOND ET CIE (113 Cours Berriat, Grenoble, Grenoble, Grenoble, FR)
RAYCONNECT FLUID HANDLING SYSTEM (ZHENJIANG) CO., LTD. (159 # Jing Qi Road, Ding Mao District New Are, Zhenjiang Jiangsu 9, 212009, CN)
International Classes:
F16L37/084; F16L37/12
Foreign References:
CN207094002U2018-03-13
CN1916475A2007-02-21
CN1262730A2000-08-09
CN104870879A2015-08-26
US6086119A2000-07-11
US6318764B12001-11-20
Attorney, Agent or Firm:
NTD PATENT & TRADEMARK AGENCY LIMITED (10th Floor, Tower C Beijing Global Trade Center, 36 North Third Ring Road East, Dongcheng District, Beijing 3, 100013, CN)
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