Cyclonic dust collector and electric dust collector equipped therewith
A dust collection device and cyclone technology, which is applied in the direction of vacuum cleaners, cyclone devices, and devices in which the axial direction of the cyclone can be reversed, etc., can solve the problem that the dust cannot be fully suppressed
Active Publication Date: 2013-09-04
PANASONIC CORP
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Problems solved by technology
However, with this structure, the return of dust from the dust chamber cannot be sufficiently suppressed.
Method used
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Embodiment approach 1
[0012] figure 1 It is a perspective view of the electric vacuum cleaner provided with the cyclone type dust collector in Embodiment 1 of this invention. The vacuum cleaner main body 1 has an electric blower 6 and a cyclone dust collector 7 inside. Moreover, the suction port 1a is formed in the front of the electric vacuum cleaner main body 1. As shown in FIG. A hose 2 is connected to the suction port 1a. A connection pipe 3 is connected to the hose 2 . An extension pipe 4 is connected to the connection pipe 3 . A suction element 5 is connected to the extension tube 4 . Thus, the vacuum cleaner 100 is formed by sequentially connecting the hose 2 , the connection pipe 3 , the extension pipe 4 , and the suction tool 5 from the suction port 1 a of the vacuum cleaner main body 1 . The electric blower 6 generates a suction force for sucking in air. The suction force acts on the suction member 5 via the cyclone dust collector 7 , the suction port 1 a , the hose 2 , the connecti...
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A cyclone type dust collector apparatus includes, a cylindrical filter 21 concentrically disposed in a cylindrical dust box (8, fig 2), a cylindrical dust accumulating space 52 disposed below the filter 21, an extending portion 22 formed to extend in an umbrella shape from a bottom portion of the filter 21 toward the dust accumulating space 52, a cyclone space 31 formed between an inner circumferential surface of the dust box and an outer circumferential surface of the filter 21, and a dust collector path 32 formed between an outer circumferential surface of the extending portion 22 and the inner circumferential surface of the dust box. A radial width L1 of the cyclone space is greater than that of the dust collector path L2. The dust accumulating space 52 has a diameter greater than an outer diameter of the cyclone space 31. This structure produces a force that pushes the dust from the cyclone space 31 toward the dust accumulating space 52, preventing return of the dust accumulated in the dust accumulating space 52 back to the cyclone space 31, thereby improving the dust collection efficiency.
Description
technical field [0001] The invention relates to a cyclone dust collecting device and an electric vacuum cleaner with the cyclone dust collecting device. Background technique [0002] A cyclone-type electric vacuum cleaner includes an electric blower for sucking air, a suction unit for sucking dust together with the air, and a dust collector. The dust collecting device includes a cylindrical dust collecting part and a dust collecting chamber arranged under the dust collecting part. The air sucked together with the dust from the suction part rotates inside the dust collection part. As a result, the dust mixed in the air is separated by centrifugal force. The separated dust is captured and collected in the dust chamber. The air from which dust has been removed is sucked by the electric blower. The dust captured and collected in the dust collection chamber is mainly flocculent dust. Therefore, dust sometimes flies back to the suction side. In order to suppress return of du...
Claims
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IPC IPC(8): A47L9/16
CPCA47L9/1666B04C5/187B04C2009/004A47L9/1608A47L9/1691A47L9/1683B04C5/185
Inventor 田中刚小川贵昭仲本博司
Owner PANASONIC CORP