JP3144309B2 - 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 vacuum cleaner.

[0002]

2. Description of the Related Art A conventional vertical vacuum cleaner is disclosed in Japanese Unexamined Patent Publication No. Hei.
The one disclosed in Japanese Patent No. 89878 was common.

Hereinafter, description will be made with reference to the drawings. In FIG. 9, 1 is a main body of the vacuum cleaner, 2 is a handle, and 3 is an exhaust port. Reference numeral 4 denotes an outlet for the power cord 5. 6
Is a pipe mounting portion for mounting a connection pipe 9 mounted on the tip of a floor nozzle 7 and a hose 8. Reference numeral 10 denotes a clearance nozzle which is attached to the connection pipe 9 by removing the connection pipe 9 of the hose 8 from the pipe attachment portion 6 of the main body 1.

[0004]

In such a configuration,
When cleaning the corners and gaps of the floor surface, the hose 8 is once removed, and the gap nozzle 10 is attached to the tip of the hose 8 to enable cleaning. However, since the connection pipe 9 of the hose is located below the main body, Each time, the user must bend down to remove the connecting pipe 9 from the main body 1, which is very inconvenient.

SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide an electric vacuum cleaner capable of easily cleaning corners or gaps of a floor in a comfortable posture.

[0006]

A floor nozzle attached to a lower rear portion of a main body, and a part of an intake passage communicating the floor nozzle and the dust collecting portion are formed by a hose and an extension pipe. By detachably communicating with the floor nozzle portion,
When cleaning a corner or the like, the extension tube can be removed from the floor nozzle, and a clearance nozzle can be connected to the tip of the extension tube to perform cleaning in a comfortable posture.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION
A main body having a built-in electric blower and a dust collecting part, a mounting pipe provided at a substantially central portion of a lower rear portion of the main body, and
A floor nozzle attached to one end of the receiving pipe;
Detachable to the other end of the pipe and the longitudinal center line of the body
An extension pipe connected obliquely with respect to one end of the extension pipe
And a telescopic hose communicating with the dust collecting chamber,
When the other end of the extension pipe is connected to the mounting pipe,
The connection between one end of the extension tube and the hose is located at the top of the main body.
The extension tube can be easily removed from the floor nozzle without bending over, so that the corners of the room can be cleaned quickly, and the extension tube connects the dust collecting part to the hose. Since there is no contact with the extension, damage to the hose and the connecting portion during storage can be prevented, and the extension tube can be easily stored.

According to a second aspect of the present invention, the main body
Longitudinal centerline of the floor nozzle and longitudinal centerline of the floor nozzle
So that it is attached to the pipe with the pipe shifted by pipe length
As a result , damage to hoses and connections during storage can be prevented,
Further, storage of the extension tube is facilitated.

According to a third aspect of the present invention, there is provided
The extension pipe, which is diagonally connected to the pipe,
Since does not touch the connection part can be prevented damage to the hoses and connections during storage is one in which further storage of the extension tube is facilitated.

According to the fourth aspect of the present invention, since the handle is rotatably attached to the upper front surface of the main body, the handle can be easily formed without being affected by the storage state of the hose and extension tube disposed at the rear of the main body. It can be stored in

[0010] The invention according to claim 5 of the present invention is characterized in that the length of the body is
Center line in the longitudinal direction of the floor nozzle with respect to the center line in the hand direction
Attachments such as gap nozzles are stored on the side of the main body
Therefore , the symmetry between the main body and the floor nozzle is ensured, and the sense of stability increases. Further, since the center line of the main body and the center line of the floor nozzle are matched, the sense of stability of the main body is increased.

[0012] The invention according to claim 6 of the present invention is characterized in that:
Is provided with the storage portion of the hose, the hose is always protected by the handle portion in a retracted state, in which damage to the hose can be prevented.

[0013] In the invention according to claim 7 of the present invention, the electric blower or the dust collecting portion built in the main body is located in front of the attachment portion between the floor nozzle portion and the main body, so that the floor nozzle and the main body can be separated. Since the mounting portion is located behind the electric blower or the dust collecting portion, the height of the entire vacuum cleaner can be reduced.

According to an eighth aspect of the present invention, a cord winding device for supplying power to an electric blower is provided, and the cord winding device is positioned in front of a mounting portion between a floor nozzle portion and a main body. Thereby, a storage space for the hose and the extension pipe is secured at the rear part of the main body, and the entire vacuum cleaner can be reduced in size.

According to the ninth aspect of the present invention, since the lower surface of the main body located forward of the center of gravity of the main body is projected toward the floor nozzle portion, the gap between the floor nozzle and the lower surface of the main body is reduced. Even if the floor nozzle is removed from the main body and the main body is to be erected, the main body does not stand halfway in relation to the center of gravity and is safe.

[0016]

Embodiment (Embodiment 1) Hereinafter, an embodiment of the present invention will be described with reference to FIGS.

Reference numeral 11 denotes a main body, and 12 denotes an electric blower, which is mounted in the main body 11 by a front support rubber 13 and a rear support rubber 14. Reference numeral 15 denotes a dust collecting unit, to which a dust collecting bag 17 to which a mouth 16 is attached is attached.

A cord winding device 18 winds a cord for supplying electric power to the electric blower 12. 19
Is a handle provided on the upper part of the main body 11, and a handle 20 is rotatably mounted in front of the handle. Reference numeral 21 denotes a buckle for fixing the handle 20 at a predetermined position, and reference numeral 22 denotes a spring for urging the buckle 20 in one direction.

A floor nozzle 24 having a suction port 24a on the bottom surface
Is connected to one end of a mounting pipe 23 formed on the main body 11, and an extension pipe 25 is connected to the other end.

Reference numeral 26 denotes a telescopic hose, which has a connecting pipe 27 connected to the extension pipe 25 at one end. 28
Is a suction port communicating with the mouth 16, and is also a connecting portion between the main body 11 and the hose 26.

Reference numeral 29 denotes a storage portion for the hose 26, and the handle portion 19
The hose 26 is configured not to protrude from the rear end.

Further, the center line A in the longitudinal direction of the main body 11 and the center line B of the floor nozzle 24 are shifted from each other by about the diameter of the extension pipe 25, that is, by the pipe diameter. When the diameter of the hose 26 is larger than that of the extension pipe 25, it is needless to say that the hose 26 needs to be shifted by the diameter of the hose 26.

The center line B of the floor nozzle 24 of the main body 11
A holder 30 is provided on the side surface on the side, and an attachment such as a gap nozzle 31 is housed in the holder 30.

The operation of the above configuration is as follows.
When used as a normal vertical vacuum cleaner, as shown by a solid line in FIG.
Up, gripping it and tilting the body backwards (not shown) for operation. During operation, the dust on the floor surface sucked from the suction port 24A by the suction force of the electric blower 12 is suctioned by the attachment pipe 23, the extension pipe 25, and the suction port 28 (the connection portion between the hose 26 and the main body 11). It passes through the passage and is collected in the dust bag 17.

Next, a case where a corner or the like is cleaned using the gap nozzle 31 will be described. As shown in FIGS. 3 and 4, the upper part of the extension pipe 25 connected to the connection pipe 27 fixed to the hose 26 is grasped, the extension pipe 25 is removed from the attachment pipe 23, and the tip is removed from the holder 30. One end of the gap nozzle 31 is connected, and the main body 11 is operated.

During operation, dust sucked from the tip of the gap nozzle 31 by the suction force of the electric blower 12
5. The air is collected in the dust bag 17 through the air inlet 28 (the connection between the hose 26 and the main body 11).

When cleaning is completed after cleaning, the user operates the buckle 21 to rotate the handle 20 downward as shown in FIG. 1 so that the hose and the extension tube are not obstructed. The handle can be stored, and the storage size becomes compact.

(Embodiment 2) Next, a second embodiment of the present invention will be described with reference to FIGS. Note that the same components as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted.

Reference numeral 23 'is formed substantially at the center of the main body 11,
A mounting pipe to which the floor nozzle 24 and the extension pipe 25 'are attached. Reference numeral 26 denotes an extendable hose having a connection pipe 27 connected to the extension pipe 25 at one end. 29
Is a storage portion for storing a part of the hose 26, and is configured such that the hose 26 does not protrude from the rear end of the handle as shown in FIG.

Reference numeral 25 'denotes an extension pipe, one end of which is a connecting pipe 27.
The other end is connected to the mounting pipe 23 ',
It is attached obliquely to the center line A of the main body 11, that is, as shown in the center line C, and is configured so as not to hit the air inlet 28.

The operation of the above configuration is as follows. Since the portion of the extension pipe 25 'connected to the connection pipe 27 is located at the top, when the extension pipe 25' is attached and pulled out from the pipe 23 ', it is not necessary to bend down,
You can quickly start cleaning the corners of the room.

Since the extension pipe 25 'is attached obliquely with respect to the center line A of the main body, the extension pipe 25' does not come into contact with the portion of the air inlet 28 where the dust collecting portion 15 and the hose 26 are connected. This prevents damage to the hose and the connecting portion during storage, and facilitates storage of the extension tube. Further, since the center line A of the main body 11 and the center line B of the floor nozzle 24 are matched, the sense of stability of the main body 11 increases.

(Embodiment 3) Next, a third embodiment of the present invention will be described with reference to FIG.

As shown in the figure, the electric blower 12 and the dust collecting section 15 are located in front of a mounting pipe 23 connecting the floor nozzle 24 and the main body 11, and the mounting pipe 23 is located directly below the main body 11. Compared to the case where
The overall height of the vacuum cleaner can be reduced.

Embodiment 4 Next, a fourth embodiment of the present invention will be described with reference to FIG.

A cord winding device 18 for supplying power to the electric blower 12 is located in front of a mounting pipe 23 for connecting the floor nozzle 24 and the main body 11. The storage space for the extension pipe is secured, so that the depth of the entire vacuum cleaner can be reduced and the size of the vacuum cleaner can be reduced.

(Embodiment 5) Next, a fifth embodiment of the present invention will be described with reference to FIG.

A protrusion 32 protruding toward the floor nozzle 24 is provided on the lower surface of the main body 11 located on the front side of the center of gravity of the main body 11, so that a gap between the floor nozzle 24 and the lower surface of the main body 11 is reduced. In addition, even if the floor nozzle 11 is detached from the main body 11 and only the main body 11 is to be raised, the main body cannot be raised halfway in relation to the center of gravity, which is safe.

[0039]

According to the present invention, a part of the intake passage leading from the floor nozzle to the dust collecting portion is formed by a hose and an extension pipe, and the extension pipe is detachably connected to the floor nozzle, so that it is easy to use. The extension tube can be removed from the main body in a proper posture, and the corners and the like can be easily cleaned.

According to the present invention, the handle is rotatably stored on the front surface of the main body, so that the hose and the extension pipe can be stored without hindrance.

According to the present invention, the center line of the floor nozzle and the center line of the main body are shifted from each other by about the diameter of the extension pipe.
The extension pipe does not contact the intake port of the dust collecting section, thereby preventing damage to the intake port.

According to the present invention, the portion for accommodating the attachment such as the gap nozzle is provided on the side surface of the main body located on the center line side of the floor nozzle, thereby increasing the sense of stability between the main body and the floor nozzle. It is.

According to the present invention, the extension pipe is mounted obliquely with respect to the main body, and the center line of the main body and the center line of the floor nozzle coincide with each other so that the extension pipe does not hit the intake port of the dust collecting portion. Therefore, each of the main body and the floor nozzle becomes symmetrical, and the extension pipe can be easily attached to and detached from the mounting pipe.

According to the present invention, by providing the hose accommodating portion on the handle provided on the upper portion of the main body, the hose is always protected by the handle, and the hose is not crushed when the main body falls down.

According to the present invention, the electric blower and the dust collecting section
Since it was located in front of the mounting part of the main body and the floor nozzle,
The height of the entire vacuum cleaner is reduced, and storage in a closet or the like becomes easy.

According to the present invention, the cord winding device for supplying power to the electric blower is located in front of the mounting portion between the floor nozzle portion and the main body, so that the hose or extension tube storage space is provided at the rear of the main body. , And the overall thickness of the vacuum cleaner can be reduced.

According to the present invention, since the front of the center of gravity of the lower surface of the main body is projected toward the floor nozzle, the gap between the floor nozzle and the main body is reduced, and the floor nozzle can be removed from the main body to stand the main body. It is safe because the main body does not stand halfway in relation to the center of gravity.

[Brief description of the drawings]

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

FIG. 2 is a rear view of the vacuum cleaner.

FIG. 3 is a front view of the vacuum cleaner.

FIG. 4 is a rear view showing a state when the vacuum cleaner is used.

FIG. 5 is a rear view of a vertical vacuum cleaner showing another embodiment of the present invention.

FIG. 6 is a front view of the vacuum cleaner.

FIG. 7 is a rear view showing a use state of the electric vacuum cleaner.

FIG. 8 is a rear view showing another usage state of the electric vacuum cleaner.

FIG. 9 is an external perspective view of a vertical vacuum cleaner showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Main body 12 Electric blower 15 Dust collection part 18 Cord take-up device 19 Handle part 20 Handle 25, 25 'Extension tube 26 Hose 28 Intake port 29 Storage part 31 Crevice nozzle

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-6-209881 (JP, A) JP-A-6-245879 (JP, A) 143647 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) A47L 5/32, 9/00, 9/24

Claims (9)

(57) [Claims] 1. A main body having a built-in electric blower and a dust collecting part,
A mounting pipe provided at a substantially central portion of a lower rear portion of the main body.
And a floor nozzle attached to one end of the mounting pipe
And detachably attached to the other end of the mounting pipe and of the main body.
An extension tube connected obliquely to the longitudinal center line,
An extendable telescopic communication between one end of the extension pipe and the dust collection chamber
A hose, and the other end of the extension pipe is connected to the mounting pipe.
Connection between one end of the extension tube and the hose when connected to
An electric vacuum cleaner configured so that its part is located at the top of the main unit. 2. A main body having a built-in electric blower and a dust collecting unit,
A mounting pipe provided at a substantially central portion of a lower rear portion of the main body.
And a floor nozzle attached to one end of the mounting pipe
And is detachably connected to the other end of the mounting pipe.
An extension pipe communicates with one end of the extension pipe and the dust collection chamber.
An extendable hose is provided, and the other end of the extension tube is
When one end of the extension pipe is connected to the
So that the connection to the
The longitudinal centerline of the body and the longitudinal direction of the floor nozzle
Attach to the installation pipe with the center line shifted by pipe length
Vacuum cleaner configured in . 3. An extension pipe obliquely connected to a mounting pipe.
Not to hit the connection between the main body and the hose
Item 3. The vacuum cleaner according to Item 1 or 2 . 4. A handle is rotatably mounted on the upper front surface of the main body.
The vacuum cleaner according to any one of claims 1 to 3, wherein the vacuum cleaner is attached . 5. A floor nose relative to a longitudinal center line of the main body.
Nozzle on the side of the main unit on the center line side in the longitudinal direction of the
The attachment according to any one of claims 1 to 4, wherein the attachment is stored.
The vacuum cleaner according to the item . 6. The vacuum cleaner of any one of claims 1 to 5 provided with a storage portion for accommodating a part of the hose to the upper body. 7. The electric vacuum cleaner according to claim 1, wherein an electric blower or a dust collecting unit built in the main body is located in front of a mounting portion between the floor nozzle and the mounting pipe . 8. A cord winding device for supplying power to the electric blower, wherein the cord winding device is located in front of a mounting portion between the floor nozzle portion and the main body.
The vacuum cleaner according to any one of claims 7 to 13. 9. The vacuum cleaner according to claim 1, wherein a lower surface of the main body located forward of the center of gravity of the main body is projected toward the floor nozzle portion.