JP2003135338A - Vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a low-noise vacuum cleaner by significantly curtailing the degree of transmission of vibration to the body thereof. SOLUTION: The vacuum cleaner is provided with an electric fan 60 having a dust collection chamber 4 for trapping dusts and an intake part 61, the intake part 61 is made to communicate with the dust collection chamber 4 while turned upward and the intake part 61 and the side 62 opposite to the suction of the electric fan 60 are supported individually through the body 51 and elastic bodies (54 and 57). The electric fan 60 is supported and fixed in the direction horizontal to the direction of gravity to curtail the transmission of vibration to the body 51 thereby achieving lower noises of the vacuum cleaner.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an arrangement and a support form of an electric blower incorporated in an electric vacuum cleaner, and in particular, it realizes low vibration of the electric vacuum cleaner body and low noise of the electric vacuum cleaner. It is intended to

[0002]

2. Description of the Related Art Conventionally, an electric vacuum cleaner of this type, particularly an electric blower, has been arranged and supported as shown in FIGS.

As shown in FIG. 5, in the electric vacuum cleaner 1, a hose 5 is detachably connected to a cleaner body 2, and the hose 5
A tip pipe 16 forming the operation portion 15 is provided at the other end of the. An extension pipe 6 is connected to the tip pipe 16, and a suction tool 7 is connected to the extension pipe 6. A dust collection chamber 4 is formed in the main body 2 so as to communicate with the hose 5.
On the rear side, the electric blower 3 arranged so that the air intake portion 61 faces the dust collecting chamber 4 side and the cord reel 14 are provided.
A filter 8 and a main body exhaust port 9 are provided behind the main body 2.

The details of the arrangement and support of the electric blower 3 on the main body 2 are as shown in FIG.
As for the air intake portion 61 of the electric blower 3, a support mae 54 made of a soft rubber material or the like is attached to the outer periphery of the casing 53 that covers the air intake portion 61 of the electric blower 3 to secure tightness with the main body 2. The lower side is held by ribs or the like provided on the main body 2 so that the support mae 54 does not fall. In addition, the non-intake side 62 of the electric blower 3
As for the holding spacer 56 made of resin or the like on the anti-intake side bracket 55 corresponding to the anti-intake side 62 of the electric blower 3.
Is fixed with a pierce or the like, and the support spacer 56 is made of a soft rubber material or the like for vibration isolation in the holding spacer 56.
Is attached, and the groove provided in the support USHRO 57 is inserted into the holding base 58 provided in the main body 2 to support and fix the movement of the electric blower 3 in the front-back direction and the rotation direction.

[0005]

In the conventional electric vacuum cleaner 1 having such a structure, since the electric blower 3 is held and fixed at two points in the front and rear with respect to the direction of gravity of the electric blower 3, the vibration generated from the electric blower 3 is moved forward and backward. It is transmitted to the main body 2 around two points. Therefore, it is very difficult and difficult to suppress the transmission of the vibration of the electric blower 3 which is the source of the noise of the electric vacuum cleaner 1 in the present day when the noise reduction is strongly demanded in the market. Further, particularly in the floor moving type vacuum cleaner having the roller 65 as the traveling means, there is a problem that the vibration when the main body 2 is moved is transmitted to the electric blower 3 and the vibration of the electric blower 3 is amplified. ing.

The present invention is intended to solve the above-described conventional problems, and an object thereof is to significantly reduce the amount of vibration transmitted to the main body and to provide a low-noise electric vacuum cleaner. There is.

[0007]

In order to solve the above problems, the present invention provides a cleaner body, a hose having one end connected to the cleaner body, and an extension pipe connected to the other end of the hose. A cleaner provided with a suction tool connected to the extension tube for sucking dust, the cleaner body having an electric blower having a traveling means, a dust collecting chamber for collecting dust, and an air intake portion, and the air intake portion An electric vacuum cleaner that communicates with the dust collection chamber and faces upward, and supports the intake side and the non-intake side of the electric blower via the main body and the elastic body. Since it is supported and fixed, the transmission of vibration to the main body can be reduced, and the noise of the electric vacuum cleaner can be reduced. In particular, in a floor-moving type vacuum cleaner having traveling means, even if vibration during movement of the main body is transmitted to the electric blower, it can be attenuated by the electric blower to reduce the vibration of the electric blower.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION The invention according to claim 1 of the present invention is
The cleaner includes a cleaner body, a hose having one end connected to the cleaner body, an extension pipe connected to the other end of the hose, and a suction tool connected to the extension pipe for sucking dust. The main body has an electric blower having a traveling means, a dust collection chamber for collecting dust, and an air intake portion.The air intake portion communicates with the dust collection chamber and faces upward, and is opposed to the air intake side of the electric air blower. An electric vacuum cleaner that supports each of the intake side via the main body and elastic body.Since the electric blower is supported and fixed in the horizontal direction with respect to the gravity direction, it is possible to reduce the transmission of vibrations to the main body and reduce the vacuum cleaner It is possible to reduce noise. In particular, in a floor-moving type vacuum cleaner having traveling means,
Even if the vibration during the movement of the main body is transmitted to the electric blower, it can be attenuated by the electric blower to reduce the vibration of the electric blower.

According to a second aspect of the present invention, in the invention according to the first aspect, the elastic body is a spring,
Since the spring absorbs the vibration generated from the electric blower and suppresses the transmission of the vibration to the main body, the noise of the electric vacuum cleaner can be further reduced.

According to a third aspect of the present invention, in the above-mentioned first or second aspect of the invention, a flexible hose having a spring is used to connect the air intake portion of the electric blower to the dust collecting chamber. By absorbing the vibration transmitted in the communication path between the air intake part of the electric blower and the dust collecting chamber by the flexible hose having the spring, the noise of the electric vacuum cleaner can be further reduced.

[0011]

Embodiments of the present invention will be described below with reference to FIG. The same components as those in the conventional example are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIGS. 1 and 5, a vacuum cleaner 50.
The hose 5 is detachably connected to the cleaner main body 51, and the tip end pipe 16 forming the operation portion 15 is provided at the other end of the hose 5. Extension pipe 6 for tip pipe 16
A suction tool 7 is connected to the extension tube 6. The main body 51 is provided with a dust collecting chamber 4 communicating with the hose 5, an electric blower 60 arranged so as to face an intake passage 52 communicating with the dust collecting chamber 4, and a cord reel 14. A filter 8 and a main body exhaust port 9 are provided behind the main body 51. Further, the main body 51 has a pair of rollers 65 on the left and right which are traveling means.

Next, the arrangement and support form of the electric blower 60 in the main body 51 will be described in detail. As can be seen from FIG. 1, the electric blower 60 for suction is vertically arranged so that the intake portion 61 is located above. Regarding the intake part 61 of the electric blower 60, a support mae 54, which is an elastic body made of a soft rubber material or the like, is attached to the outer periphery of a casing 53 that covers the intake part 61 of the electric blower 60. Secured tight, electric blower 6
Regarding the anti-intake side 62 of 0, a holding spacer 56 made of resin or the like is fixed to the anti-intake side bracket 55 corresponding to the anti-intake side 62 of the electric blower 60 with screws or the like, and the holding spacer 56 is elastic for vibration prevention. A support USHRO 57 made of a soft rubber material, which is a body, is attached, and a groove provided in the support USHiro 57 is inserted into a holding base 58 provided in the main body 51, whereby the vertical direction and the rotation direction of the electric blower 3 It supports and fixes the movement of.

The operation of the above configuration is as follows.

By arranging the electric blower 60 for suction vertically so that the intake portion 61 is located upward, the force generated in the gravity direction from the electric blower 60 is applied to the non-intake side 62.
Since it is supported and fixed at one point, the vibration generated from the electric blower 60 is transmitted to the main body 51 only through the non-intake side 62. Therefore, as compared with the case where the electric blower is arranged laterally in the related art, the point that the force generated from the electric blower 60 in the gravity direction is supported and fixed is 1 to 2 points.
Can be reduced to points. That is, since the transmission path of the vibration to the main body 51 can be reduced to half, the noise generated by the vibration from the main body 51 can be significantly reduced.

Further, as shown in FIG. 2, an electric blower 60
By arranging the intake part 61 of the
Since the high-frequency sound generated by the fan of the air intake portion 61 is arranged to be generated toward the bottom surface side of the main body 51, it is possible to suppress annoying high-frequency sound generation from the upper surface portion of the main body 51 and the like.

Further, as shown in FIG. 3, an electric blower 60
With respect to the anti-intake side 62 of, the holding spacer 56 made of resin or the like is fixed to the anti-intake side bracket 55 with screws or the like,
By inserting the spring 63 between the holding spacer 56 and the holding base 58 provided on the main body 51, the spring 63 absorbs the vibration generated from the electric blower 60 and suppresses the transmission of the vibration to the main body 51. Lower vibration of the vacuum cleaner 50,
It is possible to reduce noise.

Further, as shown in FIG. 4, an electric blower 60
As for the air intake portion 61 of the electric blower 60, a support hose 64 is provided with a spring 63 built-in and the outside of the spring 63 is covered with a soft material such as resin or rubber.
By connecting and fixing the intake passage 52 of the electric blower 60, the intake portion 61 of the electric blower 60 and the main body 51
By absorbing the vibration transmitted between the intake portions of the electric vacuum cleaner 50 by the spring 63 built into the support hose 64, the vibration and noise of the electric vacuum cleaner 50 can be further reduced.

[0019]

According to the present invention, it is possible to significantly reduce the amount of vibration transmitted to the main body and provide a low-noise electric vacuum cleaner.

[Brief description of drawings]

FIG. 1 is a sectional view of a cleaner body showing an embodiment of the present invention.

FIG. 2 is a cross-sectional view of the main body of the vacuum cleaner in which an air intake part of the electric blower is arranged below.

FIG. 3 is a cross-sectional view of the vacuum cleaner body supporting the air blower on the side opposite to the intake side with a spring.

FIG. 4 is a cross-sectional view in which the suction part of the electric blower is supported by a hose in the cleaner body.

FIG. 5 is a sectional view of an entire conventional electric vacuum cleaner.

FIG. 6 is an enlarged cross-sectional view of the same cleaner body.

[Explanation of symbols]

4 Dust collection chamber 50 vacuum cleaner 51 body 54 Support Mae (elastic body) 57 Support USHIRO (elastic body) 60 electric blower 61 Intake section 62 Anti-intake side 63 spring 64 Support hose

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Tsuyoshi Tokuda             1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric             Sangyo Co., Ltd. (72) Inventor Yoshitaka Murata             1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric             Sangyo Co., Ltd. (72) Inventor Tsuyoshi Nishimura             1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric             Sangyo Co., Ltd. F-term (reference) 3B006 BA00 FA01                 3B057 AA03 AA04

Claims (3)

[Claims] 1. A cleaner body, a hose having one end connected to the cleaner body, an extension pipe connected to the other end of the hose, and a suction tool for sucking dust connected to the extension pipe. The vacuum cleaner body includes an electric blower having a traveling unit, a dust collection chamber for collecting dust, and an air intake portion, the air intake portion communicating with the dust collection chamber and directed upward, and the electric air blower. An electric vacuum cleaner that supports the intake side and the non-intake side of each through a main body and an elastic body. 2. The electric vacuum cleaner according to claim 1, wherein the elastic body is a spring. 3. The electric vacuum cleaner according to claim 1, wherein a flexible hose having a spring connects the air intake portion of the electric blower with the dust collecting chamber.