JPS6158618A - Suction device of electric cleaner - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Industrial applications The present invention relates to a suction tool for a vacuum cleaner.

Conventional structure and its problems Conventionally, the suction tool of a vacuum cleaner has been integrally combined with the upper suction tool 9 and the lower suction tool 10 via a bumper 11, as shown in FIGS. 4 and 5. . Since the bumper 11 is provided so as to surround the outer periphery of the suction tool, it is possible to prevent furniture and wall surfaces from being damaged during work. Since the bumper 11 requires elasticity, it is made of soft vinyl chloride, rubber, or the like. However, soft vinyl chloride usually has a static coefficient of friction of about 1.1, so if you try to move the suction tool with the bumper 11 in contact with a wall, etc., the frictional resistance between the bumper 11 and the wall will be large, making it smooth. It had the disadvantage of not being able to move freely. Of course, if hard synthetic resin is used, the frictional resistance will be reduced and movement will be easier, but it will not be able to prevent the furniture from being scratched and will not be able to fulfill its role as a bumper. .

The present invention solves the drawbacks of the conventional bumper.The bumper is made of a soft synthetic resin material and the material with low frictional resistance provided on the surface of the bumper provides good workability and prevents damage to furniture, etc. The purpose of LI is to provide a suction tool for a vacuum cleaner that is free of oxidation and is more durable.

DESCRIPTION OF THE INVENTION In order to achieve the above-mentioned object, the present invention includes a vacuum cleaner's I pumping tool body and a soft material made of synthetic resin such as vinyl chloride with a hardness of 80 degrees or less provided on the outer periphery of the suction tool body. The structure consists of a bumper and a smooth surface member having a friction coefficient of 0.5 or less, which is provided at the largest row portion of the bumper.

In the structure described in -1-, the bumper provided on the outer periphery of the suction tool main body is made of a soft material, so it absorbs impact force, and the smooth surface member has a low coefficient of friction, so it slides easily. Therefore, even when working in a corner of a room along furniture or a wall, the work can be done smoothly without getting scratched even if the machine collides with the furniture.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

In FIGS. 1 and 2, 1 is the main body of the suction device, and 2 is the bottom of the main body of the suction device. The upper and lower parts of the suction tool main body 1 and 2 are integrally combined via a bumper 3 made of soft vinyl chloride or the like. The bumper 3 is formed into a body including a suction device main body 1-1, a buffer portion 4 located toward the external force from the outer circumference of the lower suction device main body 2, and a holding portion 5 located inward.

In this embodiment, the bumper 3 is formed by extrusion molding into a cross-sectional shape as shown in FIG. Furthermore, the hardness of the soft vinyl chloride that is the material of the bumper 3 is set to 80 degrees or less. In this way, when the house j- collides with another object, the impact can be absorbed and the other person will not be injured.

Reference numeral 6 denotes a band-shaped smooth surface member, which is provided along the maximum outer circumference of the bumper 3. The material of the smooth surface member 6 is a synthetic resin having a friction coefficient of 0.5 or less, such as low density polyethylene.

In FIG. 2, the smooth surface member 6 on the surface of the bumper 3 on the side of the buffer portion 4 is brought into close contact with the bumper 3 by extrusion molding. The smooth surface member 6 may be formed simultaneously with the bumper 3 by extrusion molding. Furthermore, since the frictional resistance between the suction pipe and the wall surface is reduced when the contact area with the wall surface, etc. is small, the smooth surface member 6 has a convex shape 1).

FIG. 3 shows a smooth surface member 7 of another embodiment, in which a fitting portion 8 is provided on the loose seat 1 portion 4 of the bumper 3, and a separately molded smooth surface portion 7 is fitted into this fitting portion 8. ^J), is provided along the leftmost outer periphery of bumper 3.

) According to Yuki's depiction, there is a P/ on the first lap of bumper 3.
'The smooth surface part 4 made of a material with a cavity coefficient of 0.5-II de Ma 12 (from the old name)
1+t, the resistance can be made to be 'Al, <'B, seven wheels. 51-A" was installed on the bumper 3's 1- of the bumper 3, which has a 1.1 gentle HI + 44", IM surface section, so even if the smooth surface section collides with a 7.11 etc., the buffering force of the bumper 3 will be reduced. De Naka 1
→i″Ii' l: II or 11M to prevent damage 11-
can do. Furthermore, if a conventional cushioning material such as soft vinyl vinyl is in direct contact with a wall, etc., the cushioning material will wear out in an extremely long time due to contact with the wall, etc. In the present invention, since a smooth surface member having a friction coefficient of 0.5 or less is provided along the maximum outer circumference of the bumper, there is almost no reduction in wear of the bumper.

Effects of the Invention According to the present invention, when working with the suction tool along a wall or furniture, the smooth surface member with a friction coefficient of 0.5 or less is in contact with the wall or furniture, so the frictional resistance is low and operation is easy. This makes cleaning the corners of the room easier.

In addition, even when the suction unit collides with a wall etc., since the material of the bumper is soft synthetic resin such as vinyl chloride, +jt
9 and will not damage walls or furniture. Furthermore, since the frictional resistance of the smooth surface member is low, the friction J, (, M) is small and the durability of the suction tool can be improved.

[Brief Description of the Drawings] Figure 111L1 A perspective view of the entire suction device showing one embodiment of the present invention, Figure 2 is a partial cross-sectional view of the same, and Figure 3 is a partial cross-section of the suction device of another embodiment. Figure 4 shows a conventional suction 31. FIG. 5 is a partial sectional view of a conventional suction JL. 1...Suction JL main body 1-2...Suction tool main body lower 3...
・Bumper 4... Buffer part 6.7... Smooth member agent Patent attorney Oshima -Ko Figure 1 Figure 2 Figure 3 ・'1

Claims (2)

[Claims] (1) A suction device body of a vacuum cleaner, a soft bumper made of synthetic resin such as vinyl chloride with a hardness of 80 degrees or less provided on the outer periphery of the suction device body, and a friction provided on the maximum outer periphery of this bumper. A vacuum cleaner suction tool comprising a smooth surface member having a coefficient of 0.5 or less. (2) A suction tool for a vacuum cleaner according to claim 1, wherein the bumper and the band-shaped smooth surface member are integrally formed by extrusion molding.