JPH06169871A - Vacuum cleaner - Google Patents

Abstract

PURPOSE:To enable a cord to be easily pulled out, improve usability, keep the cord hardly damaged, and further improve durability and life cycle by making a cord outlet opening movable upward. CONSTITUTION:An electric blower 22 and a cord 24 are provided at a rear position within the internal space of a body lower section 21, and a dust collecting chamber 27 is also laid at a forward position. A travel wheel 29 is fitted forward of the center of gravity of the blower 22 and at both sides backward of the chamber 27. Also, a travel caster 30 capable of free rotation even in a horizontal direction is provided at a position backward of the blower 22. In addition, the bottom of the chamber 27 is kept 5 cm or more clear of a floor, and a wall 34 with a recess is formed on the section 21 at a rear position for protecting the plug section 32 of the cord 24. A cushion material such as vinyl chloride is fastened to the recess. Also, a projection 37 is formed on the section 21 at a position backward of the rotation center of the caster 30 and at the side of the blower 22, in such a way as having a plane coming in contact with a floor earlier than the aftermost corner of the section 2 at the time of keeping a body upright on the floor.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a general household vacuum cleaner.

[0002]

2. Description of the Related Art Conventionally, there is one disclosed in JP-A-58-118726, which is shown in FIG. Reference numeral 1 denotes an electric vacuum cleaner main body (hereinafter, referred to as a main body) having an electric blower 2 and a cord 3 built-in at a rear side, and a dust collecting box 5 having a dust collecting bag 4 built therein is detachably fixed to a front side thereof. A moving wheel 6 is provided on the front and a moving caster 7 is provided on the front bottom surface so as to be horizontally rotatable.

The outlet portion 8 of the cord 3 provided at the rear of the main body 1 is provided in the lower portion of the main body 1 and is substantially horizontal to the floor surface.

[0004]

However, in the above-described electric vacuum cleaner, when the user pulls out the cord 3 before starting cleaning, the outlet portion 8 of the cord 3 is difficult to see from above, It was a form that was difficult to pull out.

Further, since the outlet portion 8 of the cord 3 is substantially horizontal to the floor surface and is provided in the lower portion of the main body 1, the cord 3 is often pulled out upward. 3 hits the outer shell of the main body 1 and the cord 3 is easily painful, and in a severe case, the wires in the cord 3 are broken.

The present invention solves the above problems, and improves the pulling out property of the cord 3 before starting cleaning, reduces the load on the cord 3, and provides an electric vacuum cleaner having a long life cycle. It is intended.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention has moving wheels arranged below the main body of an electric vacuum cleaner, in front of the center of gravity of an electric blower, and on both sides behind the dust collecting chamber. However, a moving caster that is also rotatable horizontally is disposed below the main body, and a space in which the electric vacuum cleaner main body rotates in the forward direction is provided in front of the moving wheel with the moving wheel as a rotation center. It is provided between the outer surface of the bottom surface of the dust collection chamber and the floor surface, and the cord outlet is inclined upward with respect to the floor surface.

Further, a wall having a concave portion on the bottom surface for protecting the plug portion of the cord is provided at the cord outlet portion behind the main body of the electric vacuum cleaner and behind the cord reel chamber, and the concave portion is made of soft vinyl chloride or the like. The cushioning material is fixed.

Further, a convex portion is provided rearward of the center of rotation of the casters and rearward of the lower portion of the main body, which comes into contact with the floor surface before the rearmost corner of the lower portion of the main body when the main body is erected.

[0010]

According to the present invention, with the above-mentioned structure, when the front upper part of the main body is pushed, the rotation center of the moving wheel serves as a fulcrum, the outlet part of the cord moves upward, and it is easy to see and pull out.

Further, the plug portion of the cord is protected at the cord outlet portion behind the main body and behind the cord reel chamber,
By providing a wall with a recess on the bottom and fixing a cushioning material such as soft vinyl chloride to this recess, even if the main body tilts during cleaning or when the main body stands up, the wall does not scratch the floor surface Is.

Further, by providing a convex portion, which is in contact with the floor surface, before the rearmost corner of the lower part of the body, behind the center of rotation of the casters and behind the lower part of the main body, when the main body is erected, The convex portion contacts the floor surface before the rearmost corner portion, preventing the rearmost corner portion under the main body from directly hitting the floor surface,
While suppressing scratches on the floor surface, the bottom part of the main body is touched so that the entire bottom part of the body hits the floor surface, and the bottom corners of the bottom part of the body prevent it from rotating, making it easier to stand up.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. In FIG. 1 to FIG. 5, reference numeral 21 is below the main body, and an electric blower chamber 23 having an electric blower 22 built therein and a cord reel chamber 25 having a cord 24 built therein are provided in the rear of the inside.
Has a dust collecting chamber 27 having a dust collecting bag 26 built therein,
The lid 28 covers the dust collecting chamber 27 so as to be rotatable from above.

The moving wheels 29 are the electric blowers 22.
The casters 30 are arranged in front of the center of gravity so that the center of rotation is located on both sides behind the dust collecting chamber 27, and behind the electric blower 22 are horizontally movable casters 30.

A space in which the electric vacuum cleaner body 21 rotates in the forward direction with the moving wheel 29 as the center of rotation is provided between the outer surface of the bottom surface of the dust collecting chamber 27 and the floor surface in front of the moving wheel 29.

In this embodiment, the vacuum cleaner body 2 is moved forward.
The space in which 1 rotates is 5 cm or more.

Further, a wall 34 having a recess 33 on the bottom surface is provided in the cord outlet 31 at the rear of the lower body 21 and at the rear of the cord reel chamber 25 so as to protect the plug 32 of the cord 24. Is a cushioning material such as soft vinyl chloride 3
5 is fixed.

Further, a convex portion 37 having a flat surface is provided rearward of the center of rotation of the moving caster 30 and rearward of the lower body 21 and in contact with the floor before the rearmost corner 36 of the lower body 21. Has been.

Next, the operation of this embodiment will be described.
The user pulls out the cord 24 before cleaning, but in this embodiment, since a gap is provided between the bottom surface of the dust collection chamber 27 and the floor surface, pushing the front upper portion of the main body causes the rear portion of the main body to be pushed. The cord outlet 31 provided at the bottom moves upward,
The cord 24 is easy to see and pull out, and the cord 24 is less likely to hit the outer contour of the main body and is less likely to be damaged.

During cleaning, the front of the main body is lifted,
When the moving wheel 29 floats above the floor or when the main body is about to stand, the cushioning material 35 such as soft vinyl chloride fixed to the recess 33 on the bottom surface of the wall 34 that protects the cord 24.
It does not scratch the floor more.

Further, under the above-mentioned conditions, a convex portion 37 that comes into contact with the floor surface behind the center of rotation of the moving caster 30 and behind the lower body 21 and before the rearmost corner 36 of the lower body 21. By providing the bottom corners 36 of the lower part of the main body 21 against the floor surface directly, the scratches on the floor surface are mitigated, and the bottom part of the lower part of the main body is touched so that the entire bottom part touches the floor surface. It prevents the main body from rotating at the rearmost corner 36 of 21 and makes it easier to stand up.

[0022]

As described above, the present invention is one of the following:
A moving wheel is arranged in the rear of the dust collecting chamber and in front of the center of gravity of the electric blower, and a space in which the electric vacuum cleaner body rotates in the forward direction with the moving wheel as a center of rotation is located in front of the moving wheel and has an outer bottom surface of the dust collecting chamber. And the floor surface, and the cord outlet is configured to incline upward with respect to the floor surface, so that when the upper front portion of the main body is pushed, the cord outlet portion provided at the lower rear portion of the main body moves upward. However, the code is easy to see and pull out, and it is difficult for the code to hit the outer contour of the main body.
The force applied to the cord can be reduced, and it will be less painful.

Another feature is that by providing a cushioning material such as soft vinyl chloride fixed to the recessed portion of the bottom surface of the wall that protects the cord, the front of the main body is lifted during cleaning and the moving wheels are moved above the floor surface. When floating or when trying to stand the main body, the resin that forms the bottom of the main body does not directly contact the floor surface, so that the floor surface is not damaged.

Further, by providing a convex portion, which is in contact with the floor surface before the rearmost corner under the main body, behind the main body of the caster, behind the center of rotation of the caster, the rearmost corner under the main body is provided. To prevent it from directly hitting the floor surface, softening the damage to the floor surface, and whispering so that the entire bottom end of the body hits the floor surface, preventing the body from rotating at the bottom corner of the bottom of the body, This is to make it easier to stand up.

The present invention provides an electric vacuum cleaner having the above-mentioned effects, being easy to use and having a long life cycle.

[Brief description of drawings]

FIG. 1 is a side view of an electric vacuum cleaner showing an embodiment of the present invention.

FIG. 2 is a rear view of the electric vacuum cleaner showing the embodiment of the present invention.

FIG. 3 is a rear view of the electric vacuum cleaner showing the embodiment of the present invention.

FIG. 4 is a partial side view of the electric vacuum cleaner showing the embodiment of the present invention.

FIG. 5 is a side view of a conventional electric vacuum cleaner.

FIG. 6 is a plan view of a conventional electric vacuum cleaner.

FIG. 7 is a back view of an electric vacuum cleaner showing a conventional example.

[Explanation of symbols]

 21 Lower Body 22 Electric Blower 23 Electric Blower Room 24 Code 25 Code Reel Room 26 Dust Collection Bag 27 Dust Collection Room 28 Lid 29 Moving Wheel 30 Moving Caster 31 Code Exit 32 Plug Part 33 Recess 34 Wall 35 Buffer 36 Last part 37 Convex part

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Shinichi Hoshide 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Yumi Kawashima, 1006 Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd.

Claims (3)

[Claims] 1. An electric blower chamber in which an electric blower is arranged in a rear portion, and a cord reel chamber in which a cord is also arranged in the rear portion, a cord outlet portion is provided behind the cord reel chamber, and a cord plug portion is provided. It is formed to be horizontal to the floor surface, and the front part has a dust collection chamber in which a dust collection bag for collecting dust is arranged. Along with the lid, the moving wheels have rotation centers on the rear sides of the dust collection chamber in front of the center of gravity of the electric blower placed under the main body, and can be horizontally rotated below the main body. In a cleaner body provided with a moving caster, a space in which the electric cleaner body rotates in a forward direction with the moving wheel as a rotation center is located between the outer bottom surface of the dust collecting chamber and the floor surface in front of the moving wheel. Provided, and the cord outlet is inclined upward with respect to the floor surface. Vacuum cleaner having the configuration, characterized in that. 2. A wall having a recessed portion on the bottom surface for protecting the plug portion of the cord is provided at the cord outlet portion behind the vacuum cleaner body and behind the cord reel chamber, and the recessed portion is made of soft vinyl chloride or the like. The vacuum cleaner according to claim 1, wherein a cushioning material is fixed. 3. The electric vacuum cleaner according to claim 1, further comprising a convex portion that is in contact with the floor surface behind the center of rotation of the moving caster and before the rearmost corner of the lower rear portion of the main body.