JP2000201865A - Vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the convenience of a cleaner and the degree of freedom of design by providing the slidable part to be locked of a soft material on the lower surface side of a hose joint part and providing a locking part on an extension pipe. SOLUTION: This electric vacuum cleaner is composed of a cleaner main body 201, a flexible hose 208 provided with the hose joint part 210 engaged with the hose connection part of the electric vacuum cleaner main body on one end and provided with a hose hand part 211 provided with a hand control part on the other end, the extension pipe 213 connected to the hose hand part and a suction port 214 connected to the extension pipe. At the time of not using the electric vacuum cleaner, the rear surface part of the electric vacuum cleaner main body is arranged facing a floor surface, the electric vacuum cleaner main body is erected and arranged and the extension pipe is locked to the hose joint part and housed. In this case, the extension pipe is provided with the locking part 216 and the hose joint part is provided with the part 215 to be locked to be locked to the locking part on a side positioned on the lower surface of the vacuum cleaner main body in the state of being fitted to the hose connection part of the vacuum cleaner main body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a vacuum cleaner,
In particular, the present invention relates to a vacuum cleaner that can be stored vertically with a hose, an extension pipe, and the like attached.

[0002]

2. Description of the Related Art Conventionally, a vacuum cleaner main body can be stored vertically with a hose, an extension pipe, and a mouthpiece attached to the main body of the cleaner from the viewpoint of narrow house conditions or simplification of the cleaning work itself. Vacuum cleaners with a configuration are widespread.

FIG. 8 is a view showing an example of a conventional vacuum cleaner which is stored vertically. In the figure, reference numeral 301 denotes a vacuum cleaner main body, 302 denotes a vacuum cleaner hose, 303 denotes a hose portion of the hose 302, 304 denotes a hose joint portion of the hose 302, 30
5 is a hose hand part of the hose 302, 306 is an extension pipe, 3
07 is a mouthpiece, 308 is a locking part attached to the extension pipe, 3
Reference numeral 09 denotes a locked portion provided on the front lower surface side of the cleaner body, and a locking portion 308 attached to the extension tube is engaged with the locked portion.

[0004] When storing the cleaner body 301 vertically,
The vacuum cleaner main body is arranged vertically with the rear surface portion facing the floor surface, and a locking portion 308 is attached to the extension tube 306. The locking portion 308 is locked to the locked portion 309. And store it.

Further, with regard to such a vertical storage, Japanese Unexamined Patent Publication No. Hei 3-128022 discloses that a holder for holding an extension pipe is connected to a suction port connecting cylinder of a suction hose connected to a suction port of a cleaner body. There is disclosed an electric vacuum cleaner which can be easily and simply stored without being touched by being hooked and locked by a stop portion.

[0006]

In the conventional vacuum cleaner in which the locked portion is provided on the main body of the vacuum cleaner,
Since the locked portion is formed by providing a concave portion in the main body, the space inside the main body is limited, which is disadvantageous from the viewpoint of reducing the size and weight of the vacuum cleaner main body or the proper arrangement of the functional components inside the main body. It is. In addition, when the locked portion is arranged to be biased to either the left or right of the main body due to design restrictions,
There was a case where the lock was released when the product was stored vertically or carried, causing the product to fall. Further, Japanese Unexamined Patent Application Publication No. 3-128022
In the vacuum cleaner disclosed in Japanese Patent Application Laid-Open Publication No. H11-133, the extension pipe is locked to the curved suction port connecting cylinder provided on the upper surface of the cleaner body, so that the locking is unstable and disadvantageous from the viewpoint of reducing the storage space. It is. Also, when using a vacuum cleaner, the vacuum cleaner body collides with furniture, walls, and even steps such as sills,
They could hurt them.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned various problems, and secures a degree of freedom in design, enables reduction in size and weight, optimizes the arrangement of parts, and prevents injury to household goods such as thresholds. To provide a vacuum cleaner that can be used.

[0008]

The present invention employs the following means in order to solve the above-mentioned problems.

A cleaner main body having a suction motor and a dust collecting part and having a hose connection part, a hose joint part fitted at one end to a hose connection part of the vacuum cleaner main body, and a hand part at the other end. A vacuum hose, comprising: a flexible hose having a hose hand portion having a control portion; an extension tube connected to the hose hand portion; and a suction port connected to the extension tube, when the vacuum cleaner is not used. In a vacuum cleaner in which a rear surface portion of a main body is disposed to face a floor surface and a main body of the vacuum cleaner is arranged upright, and the extension pipe is locked and housed in the hose joint portion, the extension pipe has a locking portion. Wherein the hose joint part includes a locked part which engages with the locking part on a side located on a lower surface of the vacuum cleaner main body in a state fitted to a hose connection part of the vacuum cleaner main body. And

[0010] In the above vacuum cleaner, the locked portion is attached to the hose joint so as to be slidable in the axial direction.

Further, in the above-mentioned electric vacuum cleaner, the locked part is attached to the hose joint part so as to be slidable in a rotating direction.

[0012] In the above-mentioned electric vacuum cleaner, the locked portion is formed of a soft material.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is an external perspective view of a vacuum cleaner according to the present embodiment, and FIG. 2 is a sectional view thereof.

In these figures, 201 is a cleaner body, 202 is a suction motor, 203 is a control circuit for controlling the number of rotations of the motor 202, 204 is a power cord, 20
Reference numeral 5 denotes a dust collecting portion for storing sucked dust, reference numeral 206 denotes a hose connection portion provided on the main body of the electric vacuum cleaner, and reference numeral 207 denotes a main body 201 of the vacuum cleaner.
209 is a flexible hose portion of the hose 208, 210 is a hose 208
, 211 is a hose hand control unit for transmitting a control signal to the control circuit 203, 213 is an extension tube, 214 is a suction port, 21
Reference numeral 5 denotes a locked portion provided on the hose joint 210, and 216 denotes a locking portion attached to the extension tube 213.

When the user carries the vacuum cleaner, the user can use the vacuum cleaner with the handle 207 standing upright as shown by the broken line. When not in use, the handle 207 falls down by its own weight in the horizontal direction and is housed in the main body 201.

FIG. 3 is a view showing a vertically stored state of the vacuum cleaner according to the present embodiment. In the drawings, the same portions as those shown in FIGS. 1 and 2 are denoted by the same reference numerals, and description thereof will be omitted. When the vacuum cleaner is not used, the vacuum cleaner body is placed upright with the rear surface of the vacuum cleaner body facing the floor. Then, the locking projection of the locking portion 216 attached to the extension pipe is fitted and locked in the locking recess of the locked portion 215 formed on the hose joint portion 210.

FIG. 4 is an enlarged perspective view showing the locked state of the locking portion of the vacuum cleaner according to the present embodiment. In the figure, 21
5a is a locked concave portion formed in the locked portion 215;
6a is a projection for locking the locking portion 216. In the drawings, the same portions as those shown in FIGS. 1 to 3 are denoted by the same reference numerals, and description thereof will be omitted.

As shown in the figure, a locking projection 216a of a locking portion 216 provided on the extension tube 213 engages with a locked concave portion 215a of a locked portion attached to the joint portion, and 2
13 is held in engagement with the joint of the hose.

As described above, in the present embodiment, the locked portion 215 is not provided on the cleaner main body, so that it is not necessary to provide a space for accommodating the locking projection in the cleaner main body. Therefore, the degree of freedom in design is increased, and the size and weight of the device can be reduced, and the optimal arrangement of functional components can be achieved.

Further, since the locked portion 215 can be disposed substantially at the center of the main body of the vacuum cleaner, it is possible to prevent an accident such as the locking projection coming off and the vacuum cleaner falling over.

The locked portion 215 is an extension tube 213.
, And does not require mechanical strength to withstand impact or drop unlike the case of the main body or the hose joint 210. Therefore, the locked portion 215 can be made of a softer material, such as rubber, as compared with the main body case or the like.

FIG. 5 is a diagram showing a use state of the vacuum cleaner according to the present embodiment. In the figure, the locked portion 215 is made of a softer material than the main body case or the like. With such a soft material, when the cleaner is pulled around, the soft material locked portion 215 reduces the impact,
For example, it is possible to prevent a step portion such as a threshold from being damaged.

FIG. 6 is a view showing the vacuum cleaner according to a second embodiment of the present invention in a vertically stored state. 2 in the figure
Reference numeral 17 denotes a locked portion that is slidably attached to the hose joint portion 210 in the rotation direction. In the drawings, the same portions as those shown in FIGS. 1 and 2 are denoted by the same reference numerals, and description thereof will be omitted.

In the figure, by rotating the locked portion 217, the extension tube can be locked at an arbitrary position. Further, the locked portion 217 can be detached from the hose joint portion 210 to be used as a small and lightweight vacuum cleaner.

FIG. 7 is a view showing a vertically stored state of a vacuum cleaner according to a second embodiment of the present invention. In the figure,
210a is a groove formed in the hose joint 210, 215
Reference numeral b denotes a locked portion fitted to the groove 210a and slidable in the axial direction of the joint portion, 215c denotes a fixing screw attached to the locked portion 215b, and the fixing screw 215c connects the locked portion 215b to the groove 210a. To a predetermined position. In the drawings, the same portions as those shown in FIGS. 1 to 6 are denoted by the same reference numerals, and description thereof will be omitted.

In the figure, the height of the locked portion on the floor surface can be adjusted by sliding the locked portion 215b in the axial direction. That is, by adjusting the mounting height of the locked portion on the floor surface, the vacuum cleaner is configured in combination with various types of extension pipes in which the mounting position of the locking portion 216 to the extension pipe is different from each other. Therefore, the model configuration of the vacuum cleaner can be diversified and parts can be shared.

[0027]

According to the present invention, a hooked portion made of a soft material is provided on the lower surface side of the main body of the hose joint portion, and a hooking portion is provided on the extension pipe. The degree of freedom of design such as diversification of models is improved.

[Brief description of the drawings]

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

FIG. 2 is a cross-sectional view of the vacuum cleaner according to the first embodiment of the present invention.

FIG. 3 is a view showing a vertically stored state of the vacuum cleaner according to the first embodiment of the present invention.

FIG. 4 is an enlarged perspective view showing a locked state of a locking portion of the vacuum cleaner according to the first embodiment of the present invention.

FIG. 5 is a diagram showing a use state of the vacuum cleaner according to the first embodiment of the present invention.

FIG. 6 is a view showing a vertically stored state of a vacuum cleaner according to a second embodiment of the present invention.

FIG. 7 is a view showing a vertically stored state of a vacuum cleaner according to a third embodiment of the present invention.

FIG. 8 is a diagram showing an example of a conventional vacuum cleaner that is stored horizontally.

[Explanation of symbols]

 201 Vacuum cleaner main body 202 Suction motor 203 Control circuit 204 Power cord 205 Dust collecting part 206 Hose connection part 207 Handle 208 Hose 209 Flexible hose part 210 Hose joint part 211 Hose hand part 212 Hose hand control part 213 Extension tube 214 suction port 215, 217 locked part 216 locking part

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[Procedure amendment]

[Submission date] December 20, 1999 (1999.12.
20)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0010

[Correction method] Change

[Correction contents]

[0010] In the electric vacuum cleaner, the locked portion is attached to the hose joint so as to be slidable in the axial direction of the hose joint .

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0011

[Correction method] Change

[Correction contents]

Further, in the above-mentioned electric vacuum cleaner, the locked part is attached to the hose joint part so as to be slidable in a circumferential direction of the hose joint part .

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0014

[Correction method] Change

[Correction contents]

In these figures, 201 is a cleaner body, 202 is a suction motor, 203 is a control circuit for controlling the number of rotations of the motor 202, 204 is a power cord, 20
5 dust collection unit for storing the dust sucked, 206 hose connection portion provided in the electric vacuum cleaner body, the 207 vacuum cleaner main body 201
209 is a flexible hose portion of the hose 208, 210 is a hose 208
, 211 is a hose hand control unit for transmitting a control signal to the control circuit 203, 213 is an extension tube, 214 is a suction port, 21
Reference numeral 5 denotes a locked portion provided on the hose joint 210, and 216 denotes a locking portion attached to the extension tube 213.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hisanori Toshima 1-1-1, Higashitaga-cho, Hitachi City, Ibaraki Prefecture Inside the Taga Headquarters, Electrical Equipment Division, Hitachi, Ltd. (72) Inventor Wataru Yamamoto Higashi Taga, Hitachi City, Ibaraki Prefecture 1-1-1 cho-cho F-term (reference) in Taga headquarters, Hitachi, Ltd.Electrical Equipment Division 3B006 PA01 PA04

Claims (4)

[Claims] A vacuum cleaner body having a suction motor and a dust collecting part and having a hose connection part; a hose joint part fitted at one end to the hose connection part of the vacuum cleaner body; A flexible hose provided with a hose hand portion having a hand control portion, an extension tube connected to the hose hand portion, and a suction port connected to the extension tube, which is electrically operated when the vacuum cleaner is not used. In a vacuum cleaner in which a rear surface portion of a vacuum cleaner body is arranged to face a floor surface and a vacuum cleaner body is erected, and the extension tube is locked and housed in the hose joint portion, the extension tube is locked The hose joint part has a locked part which engages with the locking part on a side located on the lower surface of the vacuum cleaner main body in a state fitted to a hose connection part of the vacuum cleaner main body. The vacuum cleaner characterized by the above. 2. The vacuum cleaner according to claim 1, wherein the locked portion is attached to the hose joint so as to be slidable in the axial direction. 3. The vacuum cleaner according to claim 1, wherein the locked portion is slidably attached to the hose joint in a rotational direction. 4. The vacuum cleaner according to claim 1, wherein the locked portion is formed of a soft material.