HUZHOU LIANSHI MEILE HOMECARE PRODUCTS MANUFACTURING FACTORY
发明人:
YAO, Shangyou
申请号：
WO2015CN95797
公开号：
WO2016188072(A1)
申请日:
2015.11.27
申请国别(地区):
世界知识产权组织国际局
年份:
2016
代理人:
摘要：
Disclosed is a sealing device for a dust collection bag for a dust collector, comprising a frame body (1), a cover plate (2), a sealing ring (3) and a torsional spring (4), wherein the frame body (1) is provided with a through hole (11); the cover plate (2) is pivoted with one side of the frame body (1); the cover plate (2) can cover the through hole (11); a lug boss (21) is arranged on one side, facing toward the through hole (11), of the cover plate (2); an outer side edge of the sealing ring (3) is fixed with the edge of the through hole (11); an inner side edge can be turned up toward one side of the cover plate (2) so that the whole body of the sealing ring (3) forms a cylindrical shape; when the cover plate (2) covers the through hole (11), the lug boss (21) corresponds to the edge of the through hole (11); the torsional spring (4) is arranged at the connection part of the cover plate (2) and the frame body (1); and the torsional spring (4) enables the cover plate (2) to be in continuous contact with th
