JP3407724B2 - Vertical 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 vertical vacuum cleaner.

[0002]

2. Description of the Related Art As shown in FIG. 5, in a conventional vertical vacuum cleaner in which a main body 1 and a floor nozzle 2 are attachable / detachable, a dust collecting chamber 3 is arranged below the main body 1 and an electric blower 4 is arranged above. Further, a connection port 5 communicating with the dust collection chamber 3 is formed at the lower end, and the floor nozzle 2 is detachably connected in parallel to the longitudinal direction of the main body 1.

In the above structure, when the main body 1 is operated,
The dust sucked from the floor nozzle 2 is collected in the dust collecting chamber 3 arranged below the main body 1 via the connection port 5.

[0004]

By the way, if the main body 1 can be stood up during storage or during use, the usability of the vertical vacuum cleaner is further improved. This is because, for example, if the main body 1 can be stood up while cleaning the surrounding objects during the cleaning process, it can be used immediately when the cleaning device is used again.

However, in order to stand the main body 1, the center of gravity on the main body side must be located between the front wheel 6 and the rear wheel 7 of the floor nozzle 2, so that the floor nozzle 2 is parallel to the longitudinal direction of the main body. In the connected conventional vertical vacuum cleaner, the front-back width of the floor nozzle 2 must be widened as shown in FIG. 5, or the main body 1 must be significantly inclined with respect to the floor surface as shown in FIG. If the front-rear width is increased, the floor nozzle 2 is naturally increased in size, resulting in lower operability and higher cost.

Further, in the case of tilting, a large storage space L is required in the front and rear as shown in FIG. 6, so that the sense of stability is lowered and the convenience in storage is significantly deteriorated.

Further, in the structure of the main body, the electric blower 4 is provided above.
Since the center of gravity is high due to the arrangement of the above, the floor nozzle 2 is one of the factors that increase in size, and further, the dust collection chamber 2 is located below.
Connection port 5 is located below the dust collection chamber 3 in order to arrange
There is a risk that the sucked dust may fall from the connection port 5 through the floor nozzle 2 to the floor surface.

In addition, the floor nozzle 2 is connected in parallel to the longitudinal direction of the main body 1 and is directly connected to the dust collecting chamber 3. However, in order to secure a dust collecting volume required as a cleaner, the dust collecting chamber 3 is provided. especially back and forth lateral direction can not be miniaturized, inevitably connection port 5 becomes large body longitudinal dimension of the near neighbor, in the cleaning of such under the table have limited cleaning range can use body 1.

The present invention solves these problems.
The purpose is to provide a vertical vacuum cleaner that is inexpensive and has high usability.

[0010]

According to the present invention for solving the above-mentioned problems, an electric blower is built in a lower part , a dust collecting chamber communicating with the electric blower is arranged in an upper part , and a lower part is arranged in a lower part. > a body that is formed narrower toward the person, I along the lower rear surface of the body, inclined before falling shape is opened up and down
The inclined connection port and one end are connected to the rear of the dust collecting chamber, and the other end is detachably connected to the upper part of the connection port.
A bellows-like extensible hose, one end of the rear center together when provided freely elevation pivoting of the floor nozzle includes a pipe connected to a lower portion of the connection opening, the body when standing the body in which center of gravity is the body independence by located between the front wheels and rear wheels of said floor nozzle, connection having a floor nozzle along the inclined portion of the lower body rear surface inclined with respect to the body lengthwise direction By connecting to the mouth, even if a floor nozzle having a small distance between the front wheels and the rear wheels is used, the inclination of the main body with respect to the floor surface can be reduced and the main body can be made to stand.

[0011]

According to the invention of claim 1 of the present invention, an electric blower is built in the lower part , a dust collecting chamber communicating with the electric blower is arranged in the upper part , and the lower part is directed downward. Thus a thin formed body, inclined of I along the lower rear surface of the body, to form forwardly downwards to open the upper and lower
And a snake whose one end is connected to the rear of the dust collecting chamber and the other end is detachably connected to the upper part of the connection port.
A belly-like extensible hose, one end of the rear center together when provided freely elevation pivoting of the floor nozzle includes a pipe connected to a lower portion of the connection opening, the body when standing the body in which center of gravity is the body independence by located between the front wheels and rear wheels of said floor nozzle, when standing body, the center of gravity is low, the stability is increased. In addition, by connecting the floor nozzle to the connection port that is provided on the lower side of the main body, the inclination of the main body with respect to the floor surface is made small and the main body stands up even if a floor nozzle with a small distance between the front wheels and the rear wheels is used. It is possible to Further, since the connection port is inclined downward in the front direction, the front-rear dimension of the main body up to the connection port can be reduced, and the operability when the main body is tilted and used is improved. Also, the hose can be easily attached and detached.

According to the invention of claim 2,If youSource
A gap nozzle can be detachably connected to the end of the connection port side.
As a result, it is possible to easily attach and detach the hose.Tomo
Then, connect the gap nozzle to it and clean the gap.
It is something that can be done.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the vertical vacuum cleaner of the present invention will be described below with reference to FIGS.

Reference numeral 11 indicates a substantially circular cross section, and the upper end has a diameter of about 130.
The vertical electric vacuum cleaner main body is formed to be gradually narrower toward the lower end side in mm, and is configured by connecting the right main body 12 and the left main body 13 from the left and right, the cord winding device 14 on the upper side, and the electric blower 15 on the lower side. A dust collection chamber 16 is built in the central part. Dust collection chamber 16
A paper bag 17 is detachably accommodated therein, and the dust that has been absorbed is collected and accumulated, and a horizontal lid 18 closes the dust collection chamber 16 so as to be detachably opened and closed.

A suction port 19 is formed on the rear side of the upper part of the dust collecting chamber 16, and a hollow bent pipe 21 is inserted and sealed airtightly with a rubber packing 20. The bent tube 21 extends rearward of the main body 11 and then bends by approximately 90 degrees to face downward, and one end of a flexible tube 22 is hermetically coupled to the lower end. The right main body 12 and the left main body 13 have a bent pipe 21 incorporated therein,
It is screw-coupled with a tapping screw 23 arranged above the curved pipe 21 and at other places.

Reference numeral 24 denotes a connection port formed at the rear of the lower end of the main body 11, which is inclined about 20 degrees with respect to the longitudinal direction of the main body 11.

The flexible tube 22 is composed of an extensible hose 25 formed in a bellows shape and a connecting pipe 26 fixed to the lower end of the hose 25. In normal use, the connecting pipe 26 is the connecting port 2.
It is inserted in 4.

Reference numeral 27 denotes a floor nozzle detachably connected to the lower end of the connection port 24, which sucks dust scattered on the cleaning surface by the suction airflow generated by the operation of the electric blower 15, and the flexible tube 2
2. Transfer into the paper bag 17 through the bent tube 21.

Reference numeral 28 denotes a handle whose lower end is detachably connected to a mounting opening 29 provided at the upper end of the main body 11 by a locking action of a buckle button 30, and the upper end of the handle 28 is slightly bent to form a handle 31. Has become.

The gap nozzle 32 has a cylindrical cross-section so that the upper end can be fitted and connected to the connecting pipe 26, and the lower end is a flat pipe so that it can be inserted into a narrow space. After disconnecting, this connecting pipe 26
By connecting it to the place where you want to clean the tip,
Especially, dust collection cleaning can be performed in a narrow space such as a gap between furniture.

Reference numeral 33 is a main body 11 containing an electric blower 15.
An exhaust grate formed in the outer shell discharges the intake air flow sucked by the electric blower 15.

The floor nozzle 27 includes an upper nozzle 34 and a lower nozzle 3.
5. A joint pipe 36 that can be rotated up and down and is sandwiched between these
And a connecting pipe 37, one end of which is rotatably connected to the joint pipe 36 and the other end of which is fitted into the connecting port 24. On the bottom surface of the lower nozzle 35, the front wheel is at the front end and the rear wheel is at the rear end. 39 are provided on both sides in the left-right direction, and the floor nozzle 27 is movably supported at four points.

Reference numeral 40 denotes a cord outlet formed on the side surface of the main body 11 opposite to the side where the clearance nozzle 32 is attached across the flexible tube 22 and is supplied to the electric blower 15 wound by the cord winding device 14. It is the entrance and exit of the cord 41 for.

Next, the operation and action of the above configuration will be described.

When using this vertical vacuum cleaner, the cord 41 is pulled out from the main body 11 and connected to an outlet, the grip 31 is held by one hand, and the main body 11 is tilted backward.
At the same time when the electric blower 15 is operated, the floor nozzle 27 is moved back and forth or left and right for use. At this time, the dust on the cleaning surface is sucked by the suction airflow generated by the operation of the electric blower 15, and the floor nozzle 27, the connection port 24, the flexible tube 22,
The air is collected and accumulated in the paper bag 17 through the path of the bent pipe 21 and the paper bag 17, and clean air is discharged from the exhaust grate 33.

The action when the main body 11 is set up is as follows.

The connection port 24 is provided behind the lower end of the main body 11 and inclined about 20 degrees with respect to the longitudinal direction of the main body 11, and the floor nozzle 27 is connected to the connection port 24. Only by making the body 11 substantially upright with respect to the floor surface, the center of gravity of the main body 11 is naturally positioned between the front wheel 38 and the rear wheel 39 of the floor nozzle 27, so that the body 11 can be easily raised.

In particular, by sloping the connection port 24, there is no need to increase the distance between the front wheel 38 and the rear wheel 39 of the floor nozzle 27, and the front-rear width of the floor nozzle 27 can be reduced. 27 is handled as desired and usability is improved.

Further, since the main body 11 is substantially upright with respect to the floor surface, the entire front and rear space when standing can be made small, and storage in a narrow space is possible.

Next, as shown in FIG. 4, when cleaning a narrow space such as under a desk or chair, the main body 11 is tilted down and the floor nozzle 27 is inserted for cleaning.
Is inclined, and the dust collection chamber 16 and the electric blower 15 are provided from above the main body 11.
With this configuration, the lower end of the main body 11 is gradually thinned, so that cleaning can be performed easily even in such a place.

At the same time, with the above structure, the center of gravity is located below the main body 11 and the stability of the main body 11 is further enhanced.

In addition, the connection port 24 in which the flexible tube 22 is inclined
Since it is connected to the hose 25, the vicinity of the hose 25 connecting pipe 26 gradually bends by about 20 degrees, and when the flexible pipe 22 is pulled out from the connecting port 24, it is pulled out in the bending direction.
It can be pulled out easily without any trouble due to shrinkage. The same can be done at the time of connection, so that the flexible tube 22 can be smoothly attached and detached, and the usability of the gap nozzle 32 is improved.

In this embodiment, the cord winding device 14 is used.
Is installed in the upper part of the main body 11, and the floor nozzle connection port 24
Is formed on the rear side of the lower end of the main body 11, but the same effect can be obtained by incorporating the cord winding device 14 below the electric blower 15.

[0034]

As described above, the present invention has the following effects.

1. Even if you use a floor nozzle with a small front-back width,
The main body can be erected by making the inclination of the main body smaller with respect to the floor surface, and as a result, the main body has a smaller inclination, so that it is possible to inexpensively provide a convenient electric vacuum cleaner having a small front-rear dimension during storage.

2. Since the connection opening is inclined downward, the front-rear dimension of the main body reaching the connection opening is reduced, the area of the cleaning range is expanded, and usability is improved.

3. Since the connection port is in the front-down shape, the hose connected to it can be easily attached and detached, improving usability.

[Brief description of drawings]

FIG. 1 is a perspective view of a vertical vacuum cleaner showing an embodiment of the present invention.

FIG. 2 is a vertical cross-sectional view of main parts of the main body of the vertical vacuum cleaner.

FIG. 3 is a state diagram when the gap nozzle of the vertical vacuum cleaner is used.

FIG. 4 is a state diagram when the main body of the vertical vacuum cleaner is tilted and used.

FIG. 5 is a state diagram of a conventional vertical vacuum cleaner when the main body is upright.

[6] state diagram of a vertical electric vacuum cleaner of other traditional

[Explanation of symbols]

11 body 14 Cord winding device 15 Electric blower 16 Dust collection chamber 22 Flexible tube 24 connection 25 hose 26 Connection pipe 27 floor nozzle 28 handle

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-63-197421 (JP, A) Actually opened 58-143647 (JP, U) Actually opened 63-192952 (JP, U) Actually opened 62- 96348 (JP, U) (58) Fields surveyed (Int.Cl. ⁷ , DB name) A47L 5/32 A47L 9/00 105 A47L 9/24

Claims (2)

(57) [Claims] 1. A main body in which an electric blower is built in a lower part , a dust collecting chamber communicating with the electric blower is arranged in an upper part , and a lower part is formed so as to be tapered downward, and a main body of the main body. I along the lower rear, the shape forwardly downwards to open the upper and lower
A slanted connection port, one end connected to the rear of the dust collection chamber, and the other end detachably connected to the upper part of the connection port, a bellows-shaped extendable hose, and a rear center of the floor nozzle. comprising a pipe elevation rotatably provided are Once in together is connected to the lower portion of the connecting port, the center of gravity of the body when standing the body between the front wheels and rear wheels of said floor nozzle A vertical vacuum cleaner in which the main body is self-supporting when positioned. 2. A vertical cleaner according to claim 1, wherein the connection port side end portion of the hose can connect gap between Nozzle detachably.