JP3144103B2 - Electric vacuum cleaner - Google Patents

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 Heretofore, this type of vacuum cleaner generally has a configuration shown in the drawings.

A description will be given below with reference to FIGS. An electric vacuum cleaner main body (hereinafter, referred to as main body) 1 has an electric blower 2 and a cord winder (not shown) built in behind thereof,
A lower body 5 having a dust collection chamber 4 for accommodating a dust collection bag 3 for collecting dust in the front, and a lid 6 for covering the dust collection chamber 4 from above.
And an upper body 7 that covers the electric blower 2 and the cord winder from above, with the lid 6 openably and closably attached, and is horizontally rotatable below the dust collection chamber 4. A moving caster 8 is mounted, and a moving roller 9 is mounted on both side surfaces behind the lower body 5.

The bottom surface of the dust collecting chamber 4 is formed parallel to the floor surface, and the dust bag 3 is mounted at right angles to the bottom surface of the dust collecting chamber 4.

FIG. 2 shows a configuration in which the lid 6 is opened and opened at right angles to the bottom surface or floor of the dust collecting chamber 4.

[0006]

However, in the above-described vacuum cleaner, when the user opens the lid and attaches the dust collecting bag, the lid obstructs the operation and is very difficult to perform. If you try to remove the dust bag with dust accumulated in the dust bag, the dust bag is attached at a right angle.
Dust overflowed and was very unsanitary.

Further, since the lid is opened at a right angle to the bottom surface or the floor surface under the main body, it is very unstable. When the dust bag is attached, the lid closes naturally and the hand is pinched. Had the problem of.

SUMMARY OF THE INVENTION The present invention is to solve the above-mentioned problems, and to provide an easy-to-use vacuum cleaner in which a dust bag can be easily attached and there is no danger of a hand being caught in a lid. It is intended for.

[0009]

According to the present invention, in order to achieve the above object, a first means is that an electric blower is provided at the rear,
And the body forming the dust collecting chamber which is arranged dust bag for dust collector the dust forward, a lid covering the dust collecting chamber upwardly openably, a both side surfaces of the present body, the electric blower From the center of gravity of
With rolling center and the mobile roller arranged to be positioned forwardly, the moving casters provided towards after the body, the present
Bottom of the body, it front to floor and inclined obliquely substantially single upward
And the transfer roller and the
And the transfer casters touch the floor and the bottom of the body
When the surface faces the floor, the lid is positioned above the main body.
And the dust intake of the dust bag faces upward
It opens to the.

[0010] The second means is a lid covering the upper side of the dust collecting chamber at an angle of a right angle to the inclination of the bottom surface of the Body, or it approximation, to and about 90 ° opening to the floor surface Things.

[0011] A third means is to the rear in the rotation center of the transport wheel, and providing the upward rotation center of the lid of the present body after towards the disposed the electric blower.

A fourth means is to attach a leaf spring having a projection or a depression to a part of the upper part of the main body, and
Or, the protrusion that the recess fits can be pivoted on the upper part of the main body.
It is provided on the supported lid.

[0013]

According to the present invention, the mounting portion of the dust collecting bag is located at an upper position, and the dust collecting bag can be easily removed.
The dust is attached to the bottom surface of the main body at a right angle or an angle close to the bottom, so that dust accumulates in the dust collection bag, and when the dust is removed, the dust does not easily overflow.

Further, since the lid is opened at about 90 ° with respect to the floor surface, the attachment portion of the dust bag is easy to see, and the dust bag can be easily attached.

Further, since the center of rotation of the lid is formed behind the center of rotation of the moving roller, the balance of the main body is shifted rearward, so that it is very stable.

Further, an elastic body having a convex portion or a concave portion is attached to a part of the main body, and a projection that fits the convex portion or the concave portion of the elastic body is provided on the lid, so that the lid can be opened when opened. The projection, the recess, or the projection fits with the projection, and the lid does not close naturally.

[0017]

An embodiment of the present invention will be described below with reference to the accompanying drawings.

[0018] 21 in FIGS. 1 to 3 is under <br/> body that comprises the body, and the electric blower 22 inside the rear, cord winder device (not shown), the front dust bag A dust collecting chamber 24 having a built-in 23 is provided. The dust collecting chamber 24 is rotatably covered by a lid 25 from above.

The moving roller 26 is disposed so that the center of rotation is located on both sides behind the dust collecting chamber 24 in front of the center of gravity of the electric blower 22, and is horizontally movable behind the electric blower 22. Casters 27 are provided.

The bottom surface of the main body lower portion 21, which forms the dust collecting chamber 24 ahead of the moving roller 26, is formed so that the front is inclined upward with respect to the floor surface. The dust bag 23 is attached at an angle similar to that.

Further, a lid 25 covering the upper part of the dust collecting chamber 24
Is rotatably mounted on the main body 28 at a right angle to the inclination of the bottom surface of the main body lower part 21 or at an angle close to the inclination and at an opening of 90 ° or more to the floor surface.

The center of rotation of the lid 25 is provided behind the center of rotation of the moving roller 26 and above the electric blower 22 provided behind the lower part 21 of the main body.

Further, a leaf spring 29 having a convex portion or a concave portion is attached to a part of the upper body 28.
A projection 30 is provided on the lid 25 so that the projections or the recesses of the two fit together.

Next, the operation of this embodiment will be described.
The bottom surface of the main body lower part 21 below the dust collecting chamber 24 is formed so that the front is inclined upward with respect to the floor surface, and the dust collecting bag 23 is attached at a right angle or an approximate angle to the inclination. Therefore, when the dust bag 23 is replaced, the dust inlet 23a formed in the dust bag 23 is opened upward, and the dust bag 2 is opened.
The dust accumulated in the inside 3 does not easily overflow.

Next, since the lid 25 is opened at an angle of 90 ° or more with respect to the floor surface and its rotation center is located behind the rotation center of the moving roller 26, the dust collection bag 23 is attached. Can be easily performed, and is very stable when the lid 25 is opened.

When the lid 25 is opened, the upper
A leaf spring 29 having a convex portion or a concave portion attached to a part of the cover 25 is fitted with a protrusion 30 provided on the lid 25 to prevent the lid 25 from closing naturally.

[0027]

As described above, the present invention has one of the following aspects.
Forming a dust collection chamber, the bottom surface of the body, formed to the front is inclined upwardly with respect to the floor surface, perpendicular to the inclined or therewith by mounting the dust bag at an angle of approximation, When the dust collection bag is removed, the dust intake formed in the dust collection chamber is opened upward, so that the dust accumulated in the dust collection bag hardly overflows, which is very clean and sanitary.

One is a cover for covering the upper part of the dust collecting chamber,
By making an opening at about 90 ° to the floor surface at a right angle or similar angle to the inclination of the bottom under the main body, the dust bag becomes easy to see and the dust bag can be easily attached. Things.

Next, behind the center of rotation of the moving wheels,
By providing the center of rotation of the lid and above the electric blower, wherein disposed towards after the body, the balance of the body is located behind, in which very stable.

Further, an elastic body having a convex portion or a concave portion is attached to a part of the upper portion of the main body, and a projection into which the convex portion or the concave portion of the elastic body fits is rotatably supported on the upper portion of the main body.
When the cover is opened, even if a slight impact is applied to the cover at the time of opening the cover, the cover does not naturally close, and the danger of being caught in the hand is prevented.

The present invention is to provide a vacuum cleaner which has the above-mentioned effects, is easy to use, is sanitary, and does not cause danger.

[Brief description of the drawings]

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

FIG. 2 is a top view of the vacuum cleaner showing one embodiment of the present invention.

FIG. 3 is a partially enlarged view of a vacuum cleaner showing one embodiment of the present invention.

FIG. 4 is a central sectional view of a vacuum cleaner showing a conventional example.

FIG. 5 is a perspective view of a vacuum cleaner showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 21 Lower part of main body 22 Electric blower 23 Dust collecting bag 24 Dust collecting chamber 25 Lid 26 Moving roller 27 Moving caster 28 Main body 29 Leaf spring 30 Projection

────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Shinichi Hoshide 1006 Kadoma Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. (72) Inventor Hiromi Kawashima 1006 Odakadoma Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. In-house (56) References JP-A-61-280825 (JP, A) JP-A-4-193132 (JP, A) JP-A-1-157649 (JP, U) (58) Fields investigated (Int. . ^7, DB name) A47L 9 / 00,9 / 14

Claims (4)

(57) [Claims] And 1. A backward electric blower, and the body forming the dust collecting chamber which is arranged dust bag for dust collector the dust forward, the current
A lid for covering the dust chamber upper openably on both sides of the Body
The center of rotation of the electric blower is located forward of the center of gravity.
A moving roller arranged so as to location, set towards after the body
Comprising a only moving casters with, the bottom surface of said body, formed in a planar shape which is substantially a single and inclined obliquely forwardly upward with respect to the floor surface
And the moving roller and the moving cast
And the bottom surface of the main body faces the floor surface.
The lid is located above the body and
Vacuum cleaner with the dust intake of the dust bag opened upward . 2. A lid for covering the upper side of the dust collecting chamber, relative to the inclination of the bottom surface of the body, at right angles or with an angle approximate thereto, and was characterized by about 90 ° opening to the floor surface The vacuum cleaner according to claim 1. 3. A rearwardly from the center of rotation of the transport wheel, and <br/> claims, characterized in that a upward rotation center of the lid of the body after towards the disposed the electric blower The vacuum cleaner according to 1. 4. A lid body in which an elastic body having a convex or concave portion is attached to a part of an upper portion of the main body, and a projection to which the convex or concave portion of the elastic body fits is rotatably supported on the upper portion of the main body. The vacuum cleaner according to claim 1, wherein the vacuum cleaner is provided in the vacuum cleaner.