JPH0634770Y2 - Vacuum cleaner turbine suction tool - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a turbine suction device for an electric vacuum cleaner. More specifically, it has two types of bristles of different length, hardness, etc. on a rotary brush. When wiping plants, floors, and tatami mats, position and rotate the rotating brush so that long, soft bristles come into contact with the cleaning surface.When cleaning the carpet, position the rotating brush so that short and hard bristles come into contact with the cleaning surface. The present invention relates to a turbine suction tool for scraping dust in hair.

[Conventional technology]

A conventional turbine suction tool for an electric vacuum cleaner does not have a wiping function when cleaning a floor or tatami mat, so that intake air does not pass through the turbine side and rotation of a rotary brush is simply stopped.

When cleaning the carpet, the rotary brush was rotated so that the intake air would pass through the turbine side, and the hard brush bristles lifted the carpet to clean it.

[Problems to be solved by the device]

In the conventional turbine suction tool of the electric vacuum cleaner as described above, when a wiping cleaning function is added to the cleaning of the floor and tatami, there is a problem that hard hair for carpet cleaning hits the floor and tatami and damages the floor and tatami. It was

The turbine suction device of the electric vacuum cleaner of the present invention has been made in view of the above problems, and its purpose is to provide a function of cleaning and wiping without short and hard hairs hitting the floor and tatami. To do.

[Means for Solving the Problems]

In order to achieve the above object, a turbine suction tool of a vacuum cleaner according to the present invention is a turbine suction tool of a vacuum cleaner having a turbine that is driven to rotate by intake air and a rotating brush that is driven by the turbine to rotate. Long and soft bristles for wiping floors and tatami mats and short and hard bristles for carpet cleaning are planted on the rotating brush, and a lever for pivotally supporting the rotating brush so that the rotating brush is rotatable and vertically movable is provided so as to be vertically movable. And a protrusion for moving the rotary brush upward by contacting with the floor so that only the long and soft bristles of the rotary brush come into contact with the cleaning surface, the tatami cleaning and the floor, and the protrusion for positioning the rotary brush to the tatami wiping position. The rotating brush is moved downward from the floor, tatami cleaning and floor / tatami cleaning position, and the long and soft bristles and short and hard bristles of the rotating brush abut the cleaning surface. A shutter having a flat portion for positioning the rotary brush at a cleaning position is slidably provided, and the shutter prevents the intake of air to the turbine side when cleaning the floor or tatami mat and rotates the shutter. A floor that sucks dust with the brush stopped, a tatami mat cleaning air intake hole, and a floor that sucks air into the turbine when wiping the floor and tatami mat to rotate the rotary brush, tatami mat cleaning air intake hole, and a carpet. And a suction hole for carpet cleaning for sucking dust by sucking air to the turbine side and rotating the rotating brush at the time of cleaning.

[Action]

According to the turbine suction tool of the electric vacuum cleaner described above, when cleaning the floor or tatami mat, the rotary brush is positioned so that the short and hard bristles of the rotary brush do not come into contact with the cleaning surface, and the rotary brush is stopped to clean the floor and tatami mat. Do the cleaning.

When the floor and tatami are wiped, the long and soft bristles of the rotary brush are brought into contact with the cleaning surface to rotate the rotary brush, and the long and soft bristles are used to wipe and clean the floor and tatami.

Then, when cleaning the carpet, the short and hard bristles of the rotating brush are brought into contact with the cleaning surface to rotate the rotating brush to clean the carpet.

〔Example〕

Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings. FIG. 1 is a plan view of a turbine suction tool of an electric vacuum cleaner according to the present invention, and FIG. 2 is a perspective view of its main part.

Reference numeral 1 denotes a shutter, which has an operation knob 2 on the upper part thereof. 3 is a rotating brush, bearing 4
Is rotatably mounted on the lever 5, and the lever 5 is mounted on the sled 15 by the shaft 6. Two types of hair, long and soft hair and short and hard hair, are planted on the rotary brush 3.

7 is a timing belt, which is the turbine shaft of the turbine 8.
The turbine 8 is stretched between the rotary brush 3 and the rotary brush 3, and the turbine 8 is rotationally driven by the intake air, and this drive is transmitted to the rotary brush 3 via the timing belt 7 to rotate the rotary brush 3.

The shutter 1 is brought into contact with the lever 5 to move the rotary brush 3 upward so that only the long and soft bristles of the rotary brush 3 come into contact with the cleaning surface. The protrusion 12 that positions the rotary brush 3 to the wiping position, and the rotary brush 3 is moved downward from the floor and tatami cleaning position and the floor and tatami wipe cleaning position so that long and soft bristles and short hard bristles of the rotary brush 3 are generated. A flat portion for positioning the rotary brush 3 is provided at a carpet cleaning position that abuts the cleaning surface.

Further, the shutter 1 has a floor and tatami cleaning air intake that sucks dust while the rotation of the rotating brush 3 is stopped by blocking the intake of air to the turbine 8 side by the shutter 1 when cleaning the floor and tatami mat. The hole 9, the floor and tatami mat cleaning air intake hole 10 for rotating the rotating brush 3 by sucking air to the turbine 8 side when wiping the floor and tatami mat, and the air intake to the turbine 8 side when cleaning the carpet, An intake hole 11 for carpet cleaning for rotating the rotating brush 3 to suck in dust is provided.

The shutter 1, the lever 5, and the protrusion 12 form a cleaning state switching body.

Explaining the operation of the above configuration, by sliding the operating knob 2 of the shutter 1 to the left and right, the carpet cleaning air intake hole 11, the floor, tatami mat cleaning air intake hole 10, the floor, tatami cleaning air intake hole 9 are sequentially Suction is performed by matching the suction holes (not shown) formed in the rib 16 of the sled 15.

Incidentally, in the conventional structure, there are only the floor, tatami cleaning air intake hole 9 and carpet cleaning air intake hole 11.

Then, a projection 12 is formed on the lower portion of the shutter 1 so that the lever 5 swings up and down as the shutter 1 slides left and right.

At the position where air is taken in through the floor and tatami cleaning air intake holes 9, the intake air does not pass through the turbine 8 side, so the rotating brush 3 does not rotate and is stopped.
Of the rotary brush 3 is brought into contact with the protrusion 1 of the rotary brush 3 and the lever 5 moves upward so that the rotary brush 3 is located at the upper floor and tatami cleaning position.
Cleans the floor and tatami mats without short, hard hairs coming into contact with the cleaning surface.

Then, the shutter 1 is moved by the operation knob 2 to perform the floor and tatami mat wipe cleaning, and the floor and tatami mat cleaning air intake holes are made.
When the shutter 1 is moved to a position where air is taken in from the lever 10, the lever 5 comes into contact with the protrusion 12 and remains raised upward,
The intake air passes through the turbine 8 and the rotary brush 3 rotates, and the long and soft bristles of the rotary brush 3 contact the cleaning surface. The long and soft bristles wipe the floor and tatami mats and clean the dust.

When the shirt 1 is moved to a position where air is taken in through the carpet cleaning air intake hole 11, the lever 5 is disengaged from the protrusion 12 and is pulled downward by the tension of the timing belt 7 to move downward. Then, at this time, the intake air passes through the turbine 8, passes through the rotating brush 3, and rotates the rotating brush 3.

The bearing 4 of the rotary brush 3 is fitted into the tip of the lever 5, and the rotary brush 3 moves up and down in accordance with the movement of the lever 5. At this time, the tip of the lever 5 makes a circular motion about the shaft 6 of the lever 5, whereas the rotating brush 3 makes a circular motion about the turbine shaft 17, so that the bearing 4 and the lever 5
The tip engaging portion of is made substantially U-shaped so as to absorb the change of the distance in the radial direction.

[Effect of device]

Since the turbine suction device of the electric vacuum cleaner of the present invention has the above-described structure, the rotary brush is stopped during cleaning of the floor and tatami mat, and the rotary brush is located at a position where short and hard bristles do not contact the cleaning surface. By doing so, the floor and tatami can be cleaned in the same manner as before, and when wiping the floor and tatami mats, the rotary brush is positioned at the floor and tatami mat cleaning position to clean the floor and tatami mats. Since the rotating brush is rotated by bringing only the cleaning surface into contact with the cleaning surface, dust and dirt on the floor and tatami that cannot be cleaned only by suction can be wiped with the long soft hair of the rotating brush. Only the long and soft bristles sometimes come into contact with the cleaning surface, so that it is possible to reliably prevent the cleaning surface from being scratched.

[Brief description of drawings]

FIG. 1 is a plan view of a turbine suction tool of an electric vacuum cleaner according to the present invention, FIG. 2 is a perspective view of a main portion thereof, and FIG. 3 is an operation of a rotating brush of the turbine suction tool of the electric vacuum cleaner of the present invention. It is an explanatory view of the operation. 1 ... Shutter, 2 ... Operation knob, 3 ... Rotating brush, 5 ... Lever, 8 ... Turbine, 12 ... Protrusion.

Claims (1)

[Scope of utility model registration request] 1. A turbine suction tool for an electric vacuum cleaner comprising a turbine that is driven to rotate by intake air and a rotating brush that is driven to rotate by the turbine, wherein the rotating brush has long and soft bristles for wiping floors and tatami mats. Short and hard bristles for carpet cleaning are planted, and a lever that pivotally supports the rotary brush so that the rotary brush is rotatable and can be moved up and down is provided so as to be movable up and down. Floors where only the long and soft bristles of the brush come into contact with the cleaning surface, a tatami cleaning and floor, a protrusion that positions the rotary brush to the tatami wipe cleaning position, and the rotary brush above the floor, tatami cleaning and floor, tatami wipe cleaning And a flat portion for moving the rotary brush to a carpet cleaning position where the long and soft bristles and the short and hard bristles of the rotary brush come into contact with the cleaning surface. The shutter is slidably provided, and when the floor and tatami are cleaned, the shutter blocks the intake of air to the turbine side and sucks dust while the rotation of the rotating brush is stopped. Air intake holes, floor and tatami mats are wiped to clean the turbine and the rotating brush is rotated. Floor and tatami mat cleaning air intake holes and carpets are cleaned, and the turbine is sucked to rotate the rotary brush. A turbine suction tool for an electric vacuum cleaner, which is provided with a carpet cleaning suction hole for sucking dust.