JPH06304108A - Rotary brush device in cleaning machine - Google Patents

Abstract

PURPOSE:To facilitate cleaning of the surface to be cleaned like a rugged and cured surface by forming a brush fitting base by a flexible material, and energizing it downward by an elastic member, in that which is provided with a brush main body on the lower face of the brush fitting base having a fitting part to a rotation driving shaft in the center. CONSTITUTION:By forming a metallic fitting part 2 for fitting a rotation driving shaft 1 rotated by a motor in the center part of the upper face, a disk-like brush fitting base 3 made of rubber is formed, and to the lower face of this fitting base 3, a base material provided with many thorn-like projections is stuck. Subsequently, by piercing a circular pad 8 consisting of pipe cloth made of thick threads into the thorn-like projection of this base material, the pad concerned 8 is attached to the brush fitting base 3 so as to be freely attachable and detachable. Also, on the upper side of the brush fitting base 3, plural pieces of U-shaped elastic members 4 are arranged radially. Base end parts of each elastic member 4 are attached to the fitting part 2, and by elastic force of the elastic member 4, the brush fitting base 3 is energized downward. In such a way, the pad 8 is freely deformable along the surface to be cleaned, like a rugged and curved surface, and the cleaning efficiency is enhanced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning machine for floors, wall surfaces, glass surfaces and the like (including those having a polishing function and a polishing function).

[0002]

2. Description of the Related Art Conventionally, in a rotary brush device of this type of washing machine, a brush mounting base is made of a plywood, hard plastic or other non-foldable hard material. When this hard brush mount hits a wall or furniture, it often causes scratches on the wall or furniture, which causes cleaning scratches on corners and narrow areas. Is more difficult to work because it requires more nerve, and for example, if there is a convex portion on the floor or wall that exceeds the cushioning (flexibility) of the brush body, There is a fear that it will build up, so it is difficult to use because it can not be jumped over, and the cushioning property (flexibility) is not always sufficient, and in the degree of familiarity with the cleaning surface such as the floor surface, especially in a place where the cleaning surface is curved. There is a defect that the center part of the brush body floats from the same curved surface, and in the place where the curved surface is convex, the peripheral part floats from the convex curved surface and the cleaning action only half functions. It was.

[0003]

DISCLOSURE OF THE INVENTION The present invention provides a rotary brush device in a new washing machine which is devised to eliminate the defects of the rotary brush device in a washing machine in which the brush mount is made of a hard material such as plywood. The purpose is to provide.

[0004]

In order to achieve the above object, a rotary brush device in a washing machine according to the present invention comprises a brush mount 3 having a mount 2 for a rotary drive shaft 1 in the center.
In a rotary brush device in a washing machine of a type in which a brush body 5 is provided on the lower surface of 13, a brush mounting base 3, 13 is made of a thick flexible synthetic resin, rubber, sponge or the like and is made of a flexible material and the rotary drive shaft 1 The elastic members 4, 14, and 21 are attached to the mounting portion 2 to the so that the elasticity of the elastic members acts downward over a wide range of the brush mounting bases 3 and 13.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment shown in FIGS. 1 and 2 is a thick rubber disk-shaped brush having a metal mounting portion 2 for a rotary drive shaft 1 rotated by a motor (not shown) in the center of the upper surface. A base 3 having a large number of spinous projections 6 on the entire lower surface of the mounting base 3 is configured to be non-detachably attached to the lower surface of the brush mounting base 3, and the lower surface of the base 7 is made of thick thread. A circular pad 8 made of pile cloth is lightly pressed and pierced into the spinous process 6 so that the pad 8 can be exchangeably held on the brush mount 3 and a U-shape is formed on the upper side of the brush mount 3. A plurality of elastic members 4 made of wire bent in a radial pattern are radially arranged, and both ends of each elastic member 4 are attached to the mounting portion 2.
These elastic members 4 are fixed so that the elasticity of each elastic member 4 acts downward over a wide range of the brush mount 3.

In the second embodiment shown in FIGS. 3 and 4, a boss member 11 having a bayonet receiving portion 10 on its outer peripheral edge is fixed to a rotary drive shaft 1 in a removable and non-rotatable manner by screwing. Separately configures a detachable member 16 having a bayonet insertion portion 12 at the upper edge of the inner periphery and a flange 15 at the lower edge of the outer periphery, and the detachable member 16 is made up of a brush mounting base 13 made of a thick soft synthetic resin plate. Of the elastic member 21 made of a coil spring in a radial arrangement on the brush mounting base 13 while the cut edge portion of the central hole is placed on the flange 15. The base end of 21 is attached to the attachment / detachment member 16 (mounting portion 2) and the elastic members 2
The elastic force of No. 1 is screwed down in a state of acting downward over a wide range of the brush mount 13, and the male side member 18 of the velvet type fastener is non-detachably attached to the entire lower surface of the brush mount 13. The felt brush 19 is lightly pressed against the side member 18 to hold the felt brush 19 on the brush mount 13 in a replaceable manner, and the detachable member 16 is fitted to the boss member 11 so that the rotary drive shaft 1 is entirely covered. It is installed.

In the third embodiment shown in FIGS. 5 and 6, a boss member 11 having a bayonet receiving portion 10 on its outer peripheral edge is fixed to a rotary drive shaft 1 in a removable and non-rotatable manner by screwing. Separately configures a detachable member 16 having a bayonet insertion portion 12 at the upper edge of the inner periphery and a flange 15 at the lower edge of the outer periphery, and the detachable member 16 is made up of a brush mounting base 13 made of a thick soft synthetic resin plate. And the cut edge portion of the center hole is placed on the flange 15, and a plastic frustoconical elastic member 14 having elasticity is laid on the brush mount 13. Cutting edge of the central hole of the frustoconical elastic member 14 and the brush mount 1
The elastic member 14 and the brush mounting base 13 are fixed to the mounting portion 2 by clamping the large-diameter nut 17 and the cut edge portion of the center hole between the large-diameter nut 17 and the flange 15. Then, the male side member 18 of the velvet type fastener is irremovably attached to the entire lower surface of the brush mount 13, and the felt side brush 18 is lightly pressed onto the male side member 18 to brush the felt side brush 19. Mounting base 13
And the detachable member 16 is fitted to the boss member 11 and the whole is attached to the rotary drive shaft 1.

The present invention can be carried out by using a structure other than the pad 8 and the felt brush 19 described above as the brush body 5, for example, a sponge brush, a brush in which abrasive particles are sprinkled with sponge, or a rag, and an elastic member As shown in FIGS. 7 to 10, use leaf springs having a flower shape or spiral springs, and directly implant long bristles made of synthetic resin monofilament on the lower surface of the brush mount 13. There is also.

[0009]

In the present invention, the brush mounts 3 and 13 made of a flexible material that can be bent are elastic members 4, 14, and 2.
Surface pressure (pressing force) against the cleaning surface such as the floor surface due to the elasticity of 1
2 is used for cleaning the curved surface (such as the ceiling of a train) indicated by reference numeral 22 in FIG. 2 or the convex curved surface 23 indicated by reference numeral 23 in FIG. Stands 3, 13 and brush body 5
Bends along the curved surface, and the curved mounting surface or the convex curved surface 23 is formed by the elasticity of the elastic members 4, 14, and 21 and the force of the brush mounting base 3 and the brush main body 5 to be horizontal due to the centrifugal force. It strongly presses in a state of full contact.

[0010]

The rotary brush device in the washing machine according to the present invention is a washing machine of the type in which the brush main body 5 is provided on the lower surface of the brush mounts 3 and 13 having the mounting portion 2 for the rotary drive shaft 1 at the center. In the rotary brush device, the brush mounts 3 and 13 are made of a flexible material such as thick soft synthetic resin, rubber, and sponge, and elastic members 4, 14 and 21 are attached to the mounting portion 2 to the rotary drive shaft 1. Since the elasticity of the elastic member is fixed so as to act downward over a wide range of the brush mounts 3 and 13, the brush mounts 3 and 13 should be in contact with a wall or a furniture during use. Even if there is, it will not scratch the walls and furniture unless it hits extremely strongly, and when cleaning corners and narrow areas, it will be easier and faster to work without the need for nerves. In addition, the flexibility of the brush mounts 3 and 13, the elasticity of the elastic member, and the cushioning property (flexibility / flexibility) of the brush main body combine to provide the cushioning property of the brush main body in the above-mentioned conventional example. It greatly exceeds the limit of the above, and there is almost no fear of creating scratches, and even a slightly high convex part can be used by jumping over easily without scratches, and in such usage, cleaning the floor surface etc. If there is a relatively large concave or convex portion on the surface, the tip of the brush main body enters and is cleaned, and since the cushioning property is extremely high as described above, it is only ideal for cleaning glass windows that are easily damaged. However, as described in the above operation, the brush main body 5 can be used for cleaning the curved surface of the train such as the ceiling of the train, and for cleaning the curved surface of the convex surface when cleaning the curved surface. Be those cleaning efficiency strongly pressed in contact is high, in which excellent effects of highly preferred such on cleaning operations.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG.

FIG. 3 is a perspective view showing a second embodiment of the present invention.

FIG. 4 is a sectional view taken along the line BB in FIG.

FIG. 5 is a perspective view showing a third embodiment of the present invention.

FIG. 6 is a cross-sectional view taken along the line CC of FIG.

FIG. 7 is a plan view showing another elastic member.

FIG. 8 is a cross-sectional view taken along the line 5D-D of FIG.

FIG. 9 is a plan view showing still another elastic member.

FIG. 10 is a cross-sectional view taken along the line EE of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 rotary drive shaft 2 mounting part 3 brush mounting base 4 elastic member 5 brush main body 6 spinous process 7 base material 8 pad 10 receiving part 11 boss member 12 insertion part 13 brush mounting base 14 elastic member 15 flange 16 attaching / detaching member 17 large Diameter nut 18 Male member 19 Brush 21 Elastic member 22 Curved surface 23 Convex curved surface

Claims (1)

[Claims] 1. A rotary brush device in a washing machine of the type in which a brush main body 5 is provided on the lower surface of brush mounting bases 3 and 13 having a mounting portion 2 for a rotary drive shaft 1 in the center, and brush mounting bases 3 and 13 are provided. It is made of a flexible material such as thick soft synthetic resin, rubber, or sponge, and elastic members 4, 14 and 21 are attached to the attachment portion 2 to the rotary drive shaft 1, and the elasticity of the elastic member is the brush attachment bases 3 and 13. The rotating brush device in the washing machine, wherein the rotating brush device is fixed in a state of acting downward over a wide range.