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Patent Searching and Data


Title:
AUTOMATIC LIFTING DEVICE FOR SEALING BOTTOM OF DOOR
Document Type and Number:
WIPO Patent Application WO/2019/196673
Kind Code:
A1
Abstract:
Provided is an automatic lifting device for sealing the bottom of a door. The device comprises a base frame (1) provided, on an inner wall, with a limiting supporting block (1.1). A sealing hook (2) is supported on an end part of the limiting supporting block (1.1), one end of the sealing hook (2) is provided with a sealing rubber strip (3), and the other end of the sealing hook (2) is provided with an elastic switch (4). An end part of the base frame (1) is provided with an auxiliary support (5), an end part of the auxiliary support (5) is provided with a hook foot (5.1) that matches the base frame (1), and the base frame (1) is attached to an inner side of the auxiliary support (5) via the hook foot (5.1) to form an integral body. A surface of the auxiliary support (5) is provided with a C-shaped threaded groove (6), end parts of the C-shaped threaded groove (6) are provided with limiting grooves (7), and a sealing cover (8) is inserted into end parts of the auxiliary support (5) via the two limiting grooves (7). An end part of the base frame (1) is provided with a side cover (9), and a surface of the side cover (9) is provided with a through hole that matches the elastic switch (4). The device can realize effective multi-layer sealing and automatically control a sealing switch, and is applicable to different types of doors.

Inventors:
YANG, Changbai (One of No. 2 Nanshedun 5th Road, Desheng Dejin Industrial Park Lishui Town, Nanhai Dist, Foshan Guangdong 0, 528200, CN)
YANG, Tao (YANG, ChangbaiOne of No. 2 Nanshedun 5th Road, Desheng Dejin Industrial Park, Lishui Town, Nanhai Dist, Foshan Guangdong 0, 528200, CN)
Application Number:
CN2019/080313
Publication Date:
October 17, 2019
Filing Date:
March 29, 2019
Export Citation:
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Assignee:
FOSHAN BOHUA DECORATION MATERIALS CO., LTD (YANG, ChangbaiOne of No. 2 Nanshedun 5th Road, Desheng Dejin Industrial Park, Lishui Town, Nanhai Dist, Foshan Guangdong 0, 528200, CN)
International Classes:
E06B7/18; E06B7/23
Foreign References:
CN105507783A2016-04-20
CN2292890Y1998-09-30
CN108487846A2018-09-04
CN208294392U2018-12-28
CN104989250A2015-10-21
CN107842298A2018-03-27
CN201347705Y2009-11-18
CN204703719U2015-10-14
FR2292846A11976-06-25
US5675935A1997-10-14
DE4139116A11993-06-03
US20090077895A12009-03-26
Attorney, Agent or Firm:
BEIJING SHENGFANZHIRONG INTELLECTUAL PROPERTY AGENCY CO. LTD (LIANG, Yongchang057A, 9/F, No. 1, Suzhou Street, Haidian District, Beijing 0, 100080, CN)
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