JP4134635B2 - Dust collector - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a dust collector used for collecting dust and the like.
[0002]
[Prior art]
A conventional dust collector will be described with reference to FIGS. The dust collector shown in FIG. 5 and FIG. 6 is widely used mainly for the purpose of cleaning the floor surface, and the float device 16 of this dust collector is formed of a float 13 and a float holder 14 for housing the float 13. The float 13 is hollow and has an inverted conical shape so that it floats on the liquid, and the float holder 14 has an inverted conical shape having several windows on the side surface and is fixed to the motor case 1 by screws 17 or the like. ing. The float 13 can be moved in the vertical direction within the float holder 14. Further, in order to secure the amount of dust collection, the outer diameter of the float holder 14 is formed to be about 1/3 of the outer diameter of the motor case 1.
[0003]
The liquid 19 containing the collected liquid 19 and the dust 20 by the suction force generated by the rotation of the dust collection fan 4 passes through the suction port 21 and is transported together with air into the dust case 7. The liquid 19 transported together with the air and the liquid 19 containing the dust 20 are separated into the dust 20 and the air by the filtering function of the filter device 6 attached inside the dust case 7 and collected on the outer peripheral surface of the filter device 6. Is done. The liquid 19 is stored in the dust case 7 by natural fall. Air passes through the filter device 6, passes through the inside of the filter device 6, and is sucked into the motor case 1. The dust 20 collected on the outer peripheral surface of the filter device 6 naturally falls and is stored in the dust case 7. If the liquid 19 containing the liquid 19 or the dust 20 continues to be collected, the water level in the dust case 7 rises, and the collected liquid 19 flows backward from the suction port 21 or enters the motor case 1 from the suction port 5. As a result, it is scattered from the exhaust port 18 to the outside of the dust collector. In order to prevent these, a float device 16 is provided. When the liquid 19 containing the liquid 19 and the dust 20 continues to be collected, the water level in the dust case 7 rises. At the same time, the float 13 moves upward. When the float 13 approaches the air intake 5 at the bottom of the motor case 1, the float 13 is sucked by the suction force generated by the rotation of the dust collecting fan 4, closes the air intake 5, and no further dust is collected. The dusted liquid 19 is prevented from flowing backward from the suction port 21 or entering the motor case 1 through the suction port 5 and being scattered from the exhaust port 18 to the outside of the dust collector.
[0004]
[Problems to be solved by the invention]
Remove the motor case from the dust case and place it around when discarding the collected dust or maintaining the dust collector. When placing the motor case, it is unstable and easy to fall down. In order to prevent this, if the motor case is placed sideways, the motor case is almost circular and therefore easy to roll. If the motor case falls or rolls, the motor case may be damaged, the external appearance of the motor case may be damaged, the objects placed around the motor case may be damaged, and the safety for workers may be reduced. Happens. In addition, the way the motor case is arranged when discarding collected liquid or dust or maintenance of the dust collector is not constant, which makes the handle position non-constant, and it is troublesome to attach the motor case to the dust case again. There is a problem that.
[0005]
The object of the present invention is to eliminate the above problems and eliminate damage to the motor case, external appearance of the motor case, scratches on the floor, damage to objects placed around the motor case, and unexpected injuries. is there. Further, it is to simplify the reattachment of the motor case to the dust case by determining the arrangement of the motor case at the time of disposal of the collected liquid or dust or maintenance of the dust collector.
[0006]
[Means for Solving the Problems]
The above object is achieved by providing a flange at the bottom of the float apparatus.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
The dust collector in a present Example is demonstrated using FIGS. 1-4. FIG. 1 is a partially longitudinal side view showing an example of a float device for a dust collector in this embodiment, FIG. 2 is a bottom view showing an example of a float device for a dust collector in this embodiment, and FIG. 3 is a float device for a dust collector in this embodiment. FIG. 4 is a partially longitudinal side view showing an example of a float apparatus for a dust collector in the present embodiment.
[0008]
1 to 4, an electric motor 2 is disposed in a motor case 1 so that its output shaft 3 is vertically downward, and a centrifugal dust collecting fan 4 directly connected to the output shaft 3. And the air inlet 5 of the dust collecting fan 4 is provided at the center of the lower surface of the motor case 1. A filter device 6 and a dust case 7 are disposed below the motor case 1. The upper peripheral portion 8 of the filter device is sandwiched between a seal packing 10 provided on the lower peripheral portion 9 of the motor case and the upper peripheral portion 11 of the dust case, and the motor case 1 and the dust case 7 are fastened by a clamp or the like. Is crimped and sealed. A suction port 21 for connecting a dust collecting hose is provided on the side surface of the dust case 7. At the bottom of the float device 16, a collar 15 is provided. The collar portion 15 may have a shape as shown in FIG. 4 so that the collar portion 15 can be easily attached to the motor case 1.
[0009]
At the time of disposal or maintenance of the dust 20 of the dust collector configured as described above, the motor case 1 is arranged so that the collar portion 15 is positioned downward. If it carries out like this, it will be hard to fall down, will not roll, and the effect that it will be easy to install when reattaching is acquired.
[0010]
【The invention's effect】
According to the present invention, it is possible to prevent damage to the motor case, generation of scratches on the outer surface of the motor case, the floor surface, damage to objects placed around the motor case, unexpected injury, and the like. In addition, since the arrangement of the motor case at the time of disposal of the collected liquid or dust or maintenance of the dust collector is determined, the reattachment of the motor case to the dust case can be simplified.
[Brief description of the drawings]
FIG. 1 is a partially longitudinal side view showing an example of a dust collector float device according to the present invention.
FIG. 2 is a bottom view showing an example of a dust collector float device according to the present invention.
FIG. 3 is a bottom view showing an example of a dust collector float device according to the present invention.
FIG. 4 is a partially longitudinal side view showing an example of a dust collector float device according to the present invention.
FIG. 5 is a partially longitudinal side view showing a conventional float device of a dust collector.
FIG. 6 is a partially longitudinal side view showing a conventional float device of a dust collector.
[Explanation of symbols]
1 is a motor case, 7 is a dust case, 13 is a float, 15 is a collar part, and 16 is a float device.

Claims (2)

A motor that is a drive source, a fan that is rotated by the motor, a filter device that separates into air and dust collection by rotation of the fan, and a float device that operates when the amount of dust collection exceeds a certain amount; A dust collector comprising a dust case for storing the dust collector, wherein a flange protruding in a radial direction of the float device is provided at a bottom portion of the float device . The dust collector according to claim 1, wherein the collar portion is circular.

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