JP2000210235A - Vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vacuum cleaner allowing screws to be fastened easily by an automatic machine even if a suction tool storage part opening to the rear side of the upper housing is formed, capable of attaching/detaching an auxiliary suction tool easily. SOLUTION: A screw fastening part 14 is formed on the bottom wall 12 of a suction tool storage part 11 of this vacuum cleaner, and a notch 19 corresponding to the screw fastening part 14 is formed on the opening edge of the upper wall 18 of the suction tool storage room 11. The notch 19 is formed in a circular arc covering from the opening edge of the upper wall 18 to the upper part of the suction tool storage position. And a dent 13 covering from the opening edge of the bottom wall 12 to the lower part of the suction tool storage position is formed on the bottom wall 12 of the suction tool storage part 11, and the screw fastening part 14 is formed in the dent 13.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner, and more particularly, to an electric vacuum cleaner in which an auxiliary suction tool such as a suction port for a gap is removably housed in a suction tool housing portion opened on the back side of the cleaner body. It is related to a vacuum cleaner.

[0002]

2. Description of the Related Art A general vacuum cleaner (moving floor type vacuum cleaner).
, A main body case containing an electric blower, a dust collecting chamber, a cord reel and the like is formed by a lower case, an upper case, and a dust collecting lid. That is, the upper case covering the electric blower and the code reel is screwed and fixed to the lower case at a plurality of locations including the rear side, and a dust collection lid is provided on the front side of the upper case so as to freely open and close the dust collection chamber. I have.

[0003] In addition, a suction tool storage section for storing an auxiliary suction tool such as a gap suction port in a vacuum cleaner body so that a suction port for a gap and the like frequently used in place of a floor suction tool during cleaning can be easily used. Those with are well known. in this case,
Considering the ease of storage and removal and the ease of formation,
There is one in which a suction tool storage portion that opens on the back side of the upper case is formed.

[0004]

However, in such a conventional vacuum cleaner, if the lower case and the upper case are screwed from the upper surface of the upper case as usual, the lower case is formed under the lower case. Since the screw will penetrate the suction tool storage part that was made, it can not be done from the upper case upper surface,
Since the screw must be screwed from the bottom of the lower case, there is a problem that it is difficult to screw the screw with an ordinary automatic machine that turns the screw from above.

Therefore, the present invention has been made to solve such a problem, and it is possible to easily perform screwing by an automatic machine even if a suction tool storage portion that opens on the back side of the upper case is formed. It is an object of the present invention to provide a vacuum cleaner capable of performing the following.

It is another object of the present invention to provide a vacuum cleaner capable of easily attaching and detaching the auxiliary suction tool to and from the suction tool storage section as described above.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention is to fix a rear part of a lower case and an upper case forming a main body of a cleaner by screws and to a rear side of the upper case. A vacuum cleaner provided with a suction tool storage part that stores an auxiliary suction tool such as a suction port for a gap that is open to the bottom, wherein a screwing part is formed on a bottom wall of the suction tool storage part,
A notch is formed at the opening edge of the upper wall of the suction tool storage section corresponding to the screw fixing section.

Further, the notch is formed in an arc shape extending from the upper wall opening edge to a position above the suction tool storage position.

In addition, a recess is formed in the bottom wall of the suction tool storage portion from an opening edge thereof to a position below the suction tool storage position,
The screw portion is formed in the concave portion.

[0010] Further, a convex portion is formed on the bottom wall of the suction tool storage section to prevent the stored auxiliary suction tool from falling off.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG.
This will be described in detail with reference to FIGS.

The floor moving type vacuum cleaner main body 1 according to the present embodiment comprises a lower case 2, an upper case 3 and a dust collecting body in which an electric blower, a dust collecting chamber, a cord reel for winding a power cord and the like are incorporated. It is formed by the lid 4.

That is, an upper case 3 that covers the electric blower and the cord reel is fixed to the lower case 2 by screws at a plurality of positions including a rear side, and a collecting part that covers the dust collecting chamber on the front side of the upper case 3 so as to be openable and closable. A dust cover 4 is provided.

One small front wheel 5 is provided in front of the center of the bottom surface of the lower case 2, and large rear wheels 6 and 6 are provided on both rear sides. An exhaust port 8 covered with a grill 7 is formed on the back side of the lower case 2.

On the upper part of the main body 1, a handle 9 for carrying the main body 1 which is rotatably mounted between the upper case 3 and the dust collecting cover 4 is provided.

A suction device housing portion 11 is formed in the rear portion of the upper case 3 and is open to the rear side thereof so that the space suction device 10 can be inserted and detachably stored in a state of being laid horizontally. .

The bottom wall 12 of the suction tool storage section 11 is formed with a semicircular recess 13 extending from the opening edge thereof to a position below the suction tool storage position. A screwing portion 14 for screwing the screw is formed. Therefore, by inserting and screwing the screw 16 into the screw hole 15 formed in the screwing portion 14,
The rear side of the upper case 3 is fixed to the lower case 2 with screws.

The bottom wall 12 in which the large-diameter portion 10a of the gap suction port 10 is housed in the suction tool housing section 11 has a convex portion 17 for preventing the housed gap suction port 10 from falling off. Is formed, and the gap between the convex portion 17 and the upper wall is formed to be equal to the outer diameter of the large-diameter portion 10a of the gap suction port 10, so that the gap suction port 10 does not fall off.
It is designed to be fittable and removable.

On the other hand, at the opening edge of the upper wall 18 of the suction tool accommodating portion 11, the screwing portion 1 formed on the bottom wall 12 side is provided.
3, a notch 19 is formed so that the screw hole 15 can be seen from the upper surface of the upper case 3 as shown in FIG.
The notch 19 is formed in an arc shape extending from the opening edge of the upper wall 18 to above the suction tool storage position.

By the way, when the suction tool housing portion 11 having the above-described convex portion 17 for preventing the gap suction port 10 from dropping is formed on the back side of the upper case 3, the rear side of the convex portion 17 is made of gold. Since the mold structure is undercut, the mold cannot be removed. In this case, the mold on the side where the suction tool housing part 11 is molded is adjusted to the height of the convex portion 17 without providing an undercut portion, and the mold for molding the inside is also adjusted to the height of the convex portion 17. However, it is possible to remove the mold, but an undercut hole 20 as shown in FIG. If such an undercut hole 20 is formed, exhaust gas leaks from the undercut hole 20. Therefore, in order to prevent exhaust gas leakage, a component such as a packing for closing the undercut hole 20 is separately required.

Therefore, in the present embodiment, the code reel supporting member 21 as shown in FIGS.
A rib 22 having a corresponding shape is formed on the cord reel support member 21 at a position corresponding to the undercut hole 20.

Therefore, when the main body 1 is assembled, as shown in the sectional views of FIGS.
The ribs 22 formed on the upper case 3 fit exactly into the undercut holes 20 formed in the suction tool storage section 11 on the upper case 3 side and become a part of the appearance, so that the holes 20 are closed. The exhaust leakage can be prevented without using a separate part.

Now, when assembling the main body 1 of the present embodiment, the suction tool housing 1 which is open on the back side of the upper case 3
1 is formed, a notch 19 is formed on the upper wall 18 side corresponding to the screwing portion 14 on the bottom surface of the concave portion 13 of the bottom wall 12.
Is formed, the screws can be tightened from the upper surface side of the upper case 3, so that the screws can be easily screwed by the automatic machine.

Further, the notch 19 is provided in the gap suction port 10.
Is formed in an arc shape reaching above the storage position, so that the back of the hand or the like having the suction inlet 10 for the gap can be easily attached and detached without hitting the upper wall 18. Further, the concave portion 1 reaching below the storage position of the clearance suction port 10 is provided on the bottom wall 12 side.
Since the gap 3 is formed, the thumb or the like of the hand holding the gap suction port 10 can be easily attached and detached without hitting the bottom wall 12. That is, in the present embodiment, the clearance suction port 1
Since it can be easily attached and detached while holding it by grasping it by hand, it becomes extremely easy to attach and detach.

Further, since the screwing portion 14 is provided in the concave portion 13 formed in the bottom wall 12, there is also a problem that the gap suction port 10 hits the screw head and is damaged when the gap suction port 10 is attached and detached. Can be prevented.

Further, the suction device 10 for the gap is inserted into the storage device 1 for the suction device.
In the state of being stored in 1, the screwing portion 14 cannot be seen from above, so that the appearance is also improved.

[0027]

As described above, according to the present invention, a screwing portion is formed on the bottom wall of the suction tool storage portion which is opened on the back side of the upper case, and the suction tool corresponding to the screwing portion is formed. By forming a notch on the opening edge of the upper wall of the storage section,
Through the cutouts, the screw fastening of the storage unit bottom wall side can be screwed from the upper case upper surface side, so that even if a suction tool storage unit that opens to the back side of the upper case is formed, The screw can be easily fixed.

Further, since the notch is formed in an arc shape extending from the opening edge of the upper wall to a position above the suction tool storage position, in addition to the above-mentioned effects, the auxiliary suction tool can be easily attached and detached. .

Further, a concave portion is formed in the bottom wall of the suction tool storage portion from the opening edge thereof to a position below the suction tool storage position,
By forming the screwing portion in the concave portion, the auxiliary suction device can be easily attached and detached similarly to the above, and a problem that the screw head damages the auxiliary suction device can be prevented.

In addition to the above-described effects, the auxiliary suction device can be easily attached and detached by forming a convex portion on the bottom wall of the suction device storage portion to prevent the stored auxiliary suction device from falling off. It is possible to prevent the stored auxiliary suction tool from falling off without impairing the height.

[Brief description of the drawings]

FIG. 1 is a perspective view of a vacuum cleaner according to an embodiment of the present invention as viewed from a diagonally upper rear side.

FIG. 2 is a rear view showing a state in which a suction port for a gap is stored in a suction tool storage section in the embodiment.

FIG. 3 is a plan view of an upper case in the embodiment.

FIG. 4 is a rear view of the upper case.

FIG. 5 is a vertical sectional view of a main part of the upper case.

FIG. 6 is a side view of the code reel supporting member.

FIG. 7 is also a rear view.

FIG. 8 is an essential part longitudinal cross sectional view showing a state in which an undercut hole formed in the suction tool accommodating portion of the upper case is closed by a rib formed in a cord reel supporting member.

FIG. 9 is an enlarged sectional view of a portion surrounded by a two-dot broken line circle in FIG. 8;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vacuum cleaner main body 2 Lower case 3 Upper case 4 Dust collection lid 10 Suction port for clearance 11 Suction tool storage part 12 Bottom wall 13 Concave part 14 Screw fixing part 15 Screw hole 16 Screw 17 Convex part 18 Top wall 19 Notch part 20 Undercut Hole 21 Cord reel support member 22 Rib

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Akihiro Morita 2-5-5 Keihanhondori, Moriguchi-shi, Osaka F-term in Sanyo Electric Co., Ltd. 3B006 NA04 PA01

Claims (4)

[Claims] 1. A suction device housing for fixing a lower case and a rear portion of an upper case forming a main body of a cleaner by screws, and opening an auxiliary suction device such as a suction opening for a gap which is opened on the back side of the upper case. A vacuum cleaner provided with a portion, wherein a screwed portion is formed on a bottom wall of the suction device housing portion, and a cutout portion is formed at an opening edge of an upper wall of the suction device housing portion corresponding to the screwed portion. An electric vacuum cleaner characterized by being formed. 2. The vacuum cleaner according to claim 1, wherein the cutout portion is formed in an arc shape extending from the opening edge of the upper wall to above the suction tool storage position. 3. The suction tool storage part has a recess formed in a bottom wall thereof from an opening edge thereof to a position below a suction tool storage position, and the screwing part is formed in the recess. Or the vacuum cleaner according to claim 2. 4. The electric device according to claim 1, wherein a convex portion is formed on a bottom wall of the suction tool storage section to prevent the stored auxiliary suction tool from falling off. Vacuum cleaner.