JP2001000374A - Vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve friction resistance and contamination resistance of molding components and to improve design, by performing a clear-system UV-hardening- type coating treatment of dispersing and containing aluminum particles as a substrate layer on a vacuum cleaner body and a suction hole, and further performing the clear-system UV-hardening-type coating treatment on the front layer. SOLUTION: A dust collecting lid 5, an upper case 6, and a handle 7 are made of thermoplastic resin, and in the combining state of them, are applied with a coating treatment in the combining state of a suction hole cover 14 and an attaching/detaching lever 23. When for improving friction resistance and contamination resistance a UV-hardening-type coating treatment by ultraviolet radiation is used, the coating treatment can be easily performed even on the thermoplastic resin surface. The coating treatment can reduce friction coefficient of the surface, so that the surface is hardly damaged. Then, for improving the design, aluminum particles or pearl particles are mixed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the surface finishing of molded parts of a vacuum cleaner.

[0002]

2. Description of the Related Art Many conventional vacuum cleaners have an outer shell made of a thermoplastic resin, and the surface state of a molded component is the same as that of the resin itself. Therefore, the surface is scratched by being rubbed by colliding with furniture or the like, so that many scratches remain with use, and the scratched portion becomes dirty due to adhesion.

[0003] Further, in terms of design, since a resin is mixed with a pigment and colored, the resin is often of a single color.

[0004] In some cases, aluminum particles, pearl particles, and the like are blended in a resin to improve the design, but due to variations in resin flow during resin molding, the aluminum particles are uniformly formed on the surface of the component. Pearl particles and the like were difficult to disperse, and it was difficult to reduce the particle size to less than about 50 μm.

[0005] Therefore, aluminum particles, pearl particles, and the like are too conspicuous in appearance, and there is a restriction in improving the design.

[0006]

SUMMARY OF THE INVENTION An object of the present invention is to eliminate the above-mentioned disadvantages of the prior art, to improve the abrasion resistance and stain resistance of a molded component, and to rub against a piece of furniture or the like. In addition, when aluminum particles, pearl particles, etc. are blended in order to make the surface hard to be scratched and to prevent dirt from adhering and to enhance the design, the particle size can be freely selected without being restricted by the particle size. To improve the design easily.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention is characterized in that a cleaner main body having a built-in electric blower and a dust collecting portion communicates with a dust collecting portion of the cleaner main body. And a coating treatment on at least one of the surface of the cleaner body and the suction opening, wherein the coating treatment includes aluminum particles, pearl particles, and colored plastic as a base layer. A clear UV-curable coating process in which particles are dispersed and blended, and the clear U
That is, the V-curing type coating treatment was performed.

The present invention is characterized in that an electric blower having a built-in electric blower and a dust collecting portion, and a suction port provided so as to communicate with the dust collecting portion of the cleaner main body. In the vacuum cleaner, at least one of the surface of the vacuum cleaner body and the suction opening is coated with an antistatic function.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment according to the present invention will be described below with reference to the accompanying drawings.

A cleaner main body 1 having a built-in electric blower and a dust collector (not shown), a hose 4 for conveying dust to the cleaner main body 1, an extension pipe 3 and the like, and a suction port 2 for sucking up dust are provided. is there. The cleaner body 1 has a dust collecting cover 5 for covering the dust collecting portion, an upper case 6 for covering the electric blower, and a handle 7 for carrying the upper part, a lower case 8 below, and wheels for moving to the side. 9 and a bumper 26 for preventing damage to furniture and the like. Here, the handle 7 has a groove 13 for putting a hand. The hose 4 has a main body connection joint 12 on the side of the cleaner main body 1 and a hand operation unit 11 on the opposite side, and is constituted by a flexible hose main body 10 in the center.

The suction port 2 covers the rotary brush 25 inside, the suction lower case 15 below, and the rotary brush 25 above.
Suction cover 14 that can be detached from suction opening 2 by sliding attachment / detachment levers 23a and 23b provided at various locations.
And a suction upper case 16 having suction ports 24a and 24b for introducing air into an air turbine (not shown) which is provided at both ends of the rotating brush 25 and rotates by a suction airflow. A suction bumper 17 for preventing damage, a suction joint 21 for connecting to the rear extension pipe 3, and a casing 18 rotatably supported in a vertical direction by the suction upper case 16 and the suction lower case 15. Make up.

The suction cover 14 has a detachable lever 23a,
23b and other nozzles 22a and 22 for efficiently introducing the airflow from the intake ports 24a and 24b to the air turbine.
b. The lower case 15 is provided with a front wheel 19 for moving forward and a rear wheel 20 behind.

Here, the material of the outer component is a thermoplastic resin, and the dust collecting lid 5, the upper case 6, the handle 7, the handle 7, and the attaching / detaching lever as the component of the suction port 2 are components of the cleaner body 1. The surfaces of the cover 23 and the suction cover 14 have improved abrasion resistance and stain resistance, and are less likely to be scratched and adhered to dirt even when they are rubbed by colliding with furniture or the like. Aluminum particles, pearl particles, etc. are added in order to increase the In the present embodiment, the dust collecting lid 5, the upper case 6, and the handle 7 are made of a thermoplastic resin.
The coating process is performed in a state where each of the fourth lever 4 and the detachable lever 23 are combined.

A method for improving the abrasion resistance and the stain resistance can be attained by applying a coating treatment to the surface of the case forming the outer shell. In particular, when the coating process is a UV-curable coating process using ultraviolet irradiation, the coating process can be performed relatively easily even on the surface of the thermoplastic resin. In this case, a surface hardness that cannot be realized with a normal thermoplastic resin, that is, a hardness higher than HB in terms of pencil hardness, can be obtained, and even if the surface is rubbed with a brass metal scrubber, there is almost no damage, The stain resistance can be improved.

Further, since the coefficient of friction of the surface can be reduced by the coating treatment,
Since the frictional resistance can be reduced, damage can be further reduced. Another thing is a silicon coating, which can also improve the abrasion resistance and stain resistance. Next, there are the following four methods for blending aluminum particles, pearl particles, etc. in order to enhance the design properties, and each has an advantage.

(1) A thermoplastic resin in which a different material such as a metallic compound or a stone-grained compound is dispersed is used as a material of the constituent molded parts to enhance the design, and the surface thereof is subjected to a clear UV curing type coating treatment. Method.

(2) A method in which a decorative coating such as a metallic coating or a pearl coating is applied to an underlayer on the surface of the component, and the surface is subjected to a clear UV curing type coating treatment.

(3) A method of applying a clear UV-curable coating in which aluminum particles, pearl particles, colored plastic particles, and the like are dispersed and compounded on the surface of a molded component having a single color in an amount that does not inhibit photocuring.

(4) A clear UV-curable coating process in which aluminum particles, pearl particles, colored plastic particles, etc. are dispersed and blended in an amount not interfering with photocuring, on the underlayer on the surface of the component, and the surface layer is further coated. Clear U
V-curing coating method.

In the above (1), aluminum particles, pearl particles, etc. are blended into the molded part itself.
Although the particle size is limited due to the resin flow, it can be manufactured at relatively low cost.

In the above (2), aluminum particles, pearl particles and the like are mixed by painting as a pre-process of the coating treatment, and the appearance design can be freely determined without being limited by the particle diameter.

In the above (3), the UV-curable coating material itself is mixed with aluminum particles, pearl particles, etc., and can be manufactured without being limited by the particle diameter and at relatively low cost.

In the above (4), aluminum particles, pearl particles, etc. are blended into the UV-curable coating material itself, and the coating treatment is further performed twice, so that a stable surface state can be obtained.

When an antistatic function, an antibacterial function, and an antifungal function are required, these functions can be provided by imparting an antistatic function, an antibacterial function, and an antifungal function to the coating material.

As described above, according to this embodiment, by applying a coating treatment to the surface of a molded component made of a thermoplastic resin, the abrasion resistance and the stain resistance are improved, and a collision with furniture or the like is achieved. In the case where aluminum particles, pearl particles, etc. are blended to make the surface hard to be scratched and to prevent dirt from adhering even when rubbed, etc., and to enhance the design, there is no restriction on the particle size. There is an effect that the particle size can be freely selected and the design can be easily enhanced.

When an antistatic function, antibacterial function and antifungal function are required, an antistatic function, antibacterial function,
By providing the fungicide function, there is an effect that these functions can be relatively easily provided.

Further, in the present embodiment, coating treatment is performed in a state in which the dust collecting lid 5, the upper case 6, and the handle 7 are combined, and in a state in which the suction cover 14 and the detachable lever 23 are combined. The work efficiency is good, and not only the effect that it can be manufactured at low cost compared to the case of coating treatment with each item alone, but also the color tone and finish state of each outer component in one unit can be matched, and high quality appearance There is an effect that a design can be provided.

In the case of a component such as the handle 7 having a groove 13 for lacking a hand, the molded component itself is molded by mixing aluminum particles, pearl particles, etc., and combined with the upper case 6 or the like. By performing only the coating treatment, there is an effect that it is possible to prevent the outer shell from being damaged and to improve the design property at a lower cost.

[0029]

As described above, according to the present invention, in a vacuum cleaner, the abrasion resistance and the stain resistance of the molded parts are improved, and even if the parts are rubbed by colliding with furniture or the like, the surface is improved. When aluminum particles, pearl particles, etc. are blended in order to make the surface hard to be scratched and to prevent dirt from adhering and at the same time to enhance the design, the particle size can be freely selected without being restricted by the particle size. There is an effect that the design can be easily enhanced.

[Brief description of the drawings]

FIG. 1 is an overall external view of a vacuum cleaner according to one embodiment of the present invention.

FIG. 2 is a plan view of a handle according to one embodiment of the present invention.

FIG. 3 is a sectional view taken along line AA in FIG. 2 showing a handle.

FIG. 4 is an external view of a state in which a dust collection cover, an upper case, and a handle according to one embodiment of the present invention are combined.

FIG. 5 is a plan view of a mouthpiece according to one embodiment of the present invention.

FIG. 6 is a sectional view taken along the line BB in FIG. 5, showing the mouthpiece.

FIG. 7 is a cross-sectional view taken along the line CC in FIG. 5 in a state where the suction cover and the detachable lever are combined.

FIG. 8 is a side view of a mouthpiece according to one embodiment of the present invention.

[Explanation of symbols]

1 ... vacuum cleaner body, 2 ... suction opening, 3 ... extension pipe, 4 ... hose,
5: dust collection lid, 6: upper case, 7: handle, 8: lower case, 14: suction cover, 15: suction lower case, 23a,
23b: detachable lever, 25: rotating brush.

Continuing from the front page (72) Inventor Tomoyuki Soma 1-1-1, Higashitaga-cho, Hitachi City, Ibaraki Prefecture Within the Taga Headquarters, Hitachi, Ltd.Electrical Equipment Division

Claims (2)

[Claims] 1. A vacuum cleaner comprising: a cleaner main body having a built-in electric blower and a dust collector; and a suction port provided to communicate with the dust collector of the cleaner main body. A coating process is performed on at least one surface of the suction port. The coating process includes a clear UV-curable coating process in which aluminum particles, pearl particles, colored plastic particles, and the like are dispersed and blended as a base layer. Vacuum cleaner characterized by UV-curable coating. 2. A vacuum cleaner comprising: a cleaner main body having a built-in electric blower and a dust collector; and a suction port arranged to communicate with the dust collector of the cleaner main body. A vacuum cleaner, wherein at least one surface of the suction port has been subjected to a coating treatment having an antistatic function.