| 摘要 |
An improved structure of a dust-filtering module of a dust-collecting device which is characterized in that the top end of the mounting body is provided with a top mounting ring having an L-shaped cross-section, a fastening structure is formed between the mounting body and the dust-filtering module, the dust-filtering module is provided with an external hood body connected to a connection hose, a filtering device is provided within the dust-filtering module, the filtering device has a corrugated board having a bottom face mounted across a bottom rod, the bottom rod is pivotally mounted with an axle passed through the filtering device, the circumferential edge of the axle is provided with a plurality of wiping plates which resist the corrugated filtering board, and the axles which passes out of the external hood body locked to a rocking shaft.
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