Patent ID: 6797046
Filing Date: 2004-09-28
Classification: B01D

Abstract:
An improved structure of a dust-filtering module of a dust-collecting device having a platform mounted with a dust-collecting module and a blower driven by a driving element, and the top end of the dust-collecting module being connected to the dust-filtering module by a mounting body, characterized in that the top end of the mounting body is provided with a top mounting ring having an L-shaped cross-section, which can be mounted onto the bottom edge of the dust-filtering module and a fastening structure is formed between the mounting body and the dust-filtering module such that the dust-filtering module and the mounting body can be engaged with each other and can be separated from each other; and the dust-filtering module is provided with an external hood body connected to a connection hose, and the connection hose can be mounted to a hose connected to the blower, and a filtering device is provided within the dust-filtering module and the filtering device has a corrugated board surrounded thereto and the bottom face of the board is mounted across a bottom rod, and the bottom rod is pivotally mounted with an axle passed through the filtering device, and the circumferential edge of the axle is provided with a plurality of wiping plates which resist the corrugated filtering board, and the axle passed through the top center face of the external hood body, and the axle which passes out of the external hood body is locked to a rocking shaft, thereby an easily cleaned and replaced dust-filtering module of the dust-collecting device is obtained.