JPH11146851A - Vacuum cleaner and hand-side handle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily execute the torsional operation of a hand-side handle part. SOLUTION: A vacuum cleaner is constituted of a vacuum cleaner main body 100, a sucking hose 200 with a flexibility, the hand-side handle 300, a connecting pipe 400 and a sucking port body 550 and the hand-side handle 300 is provided with a connecting pipe part 304 for permitting the sucking hose 200 to communicate with the connecting pipe 400 and a grip part 301. The connecting pipe part 304 is constituted of the first connecting pipe part 30 connected to the connecting pipe 400 and the second connecting pipe connected to the sucking hose part 200. The grip part 301 is fitted to the first connecting pipe part 305 and the second connecting pipe part 306 is freely rotatably fitted to the first connecting pipe part 305 so as to rock the sucking hose part 200 with the first connecting pipe part 305 as a center.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner for performing a cleaning operation by moving a mouthpiece through a handle, and a handle.

[0002]

2. Description of the Related Art A mouthpiece used in a conventional vacuum cleaner is connected to a hand handle via an extension pipe, and the hand handle is rotated about the longitudinal direction of the extension pipe as a rotation axis. It is attached rotatably to some extent by a joint structure having a bent tubular form provided on the mouthpiece. For example, these structures are disclosed in JP-A-5-245073.

In recent years, there has been developed a vacuum cleaner in which the mouthpiece has been improved to link the twist angle of the handle portion with the rotation angle of the mouthpiece so that the rotation angle of the mouthpiece can be rotated up to 180 degrees. It was implemented in 1997 by Hitachi.

[0004] For example, Japanese Patent Application Laid-Open No. 4-161126 discloses a public information bulletin in which a handle between a hand handle and a suction hose is rotatable to eliminate a twist between the two parts, thereby improving operability and usability. Is disclosed.

[0005]

In the conventional vacuum cleaner, since the suction hose is fixed to the hand handle, the suction hose is pulled up by the twisting operation of the hand handle. There was a problem with the burden on the wrist during the movement. Further, in the conventional example in which the hand handle portion and the suction hose portion are rotatably provided,
Because the pipe axis of the suction hose section is directly connected to the pipe axis of the bending joint that constitutes the handle section and is rotatable, when the hand section is twisted left and right, the suction hose section is The burden on the wrist was large because it was swung.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and an object of the present invention is to provide a vacuum cleaner and a suction body thereof which can easily twist a hand handle.

[0007]

In order to achieve the above object, in the vacuum cleaner according to the present invention, a vacuum cleaner main body having a blower for sucking dust and one end of the vacuum cleaner main body are attached to the vacuum cleaner main body. A flexible suction hose portion to be connected to the blower, a connecting pipe portion having one end attached to the other end of the suction hose portion, a hand handle portion having a grip portion, and one end of the hand handle portion. A connection pipe attached to the other end of the connection pipe section, and a suction body attached to the other end of the connection pipe. The dust sucked from the suction body together with the airflow is supplied to the connection pipe and the hand handle section. The connection pipe is conveyed to the main body of the vacuum cleaner through a connection pipe and a suction hose, and the connection pipe is connected to the connection pipe by a third connection pipe.
The first connecting pipe section is configured with a second connecting pipe section connected to the suction hose section, the first connecting pipe section is provided with the grip section, and the second connecting pipe section is The suction hose section is rotatably attached to the first connection pipe section so as to swing about the first connection pipe section.

Further, in the hand handle for a vacuum cleaner according to the present invention, a vacuum cleaner body provided with a blower is connected to a suction body, and dust sucked from the suction body is air-flowed together with the airflow. A connecting pipe portion forming a part of a transfer path for transferring the suction pipe, and a first connecting portion connected to a connecting pipe connected to the mouthpiece.
And a second connecting pipe portion connected to a suction hose portion connected to the vacuum cleaner main body.
The connection pipe section is provided with the grip section, and the second connection pipe section is rotatable with respect to the first connection pipe section so as to swing the suction hose section around the first connection pipe section. So that it can be mounted.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings. Note that the same members or parts are denoted by the same reference numerals, and redundant description is omitted.

(First Embodiment) FIGS. 1 to 7 show an embodiment of a vacuum cleaner according to the present invention. FIG. 1 is an external view of the vacuum cleaner.

First, the schematic structure of the vacuum cleaner according to the first embodiment will be described.

In FIG. 1, a vacuum cleaner generally designated by reference numeral 1 is provided with a vacuum cleaner main body 100 provided with a blower (not shown) for sucking dust, and one end is attached to the vacuum cleaner main body 100. A flexible suction hose portion 200 that is connected to the blower, a hand handle portion 300 attached to the other end of the suction hose portion 200 and connected to the blower, and a handle portion that is attached to the hand handle portion 300 and Connection pipe 40 communicating with suction hose section 200
0 and the connection pipe 400 attached to the connection pipe 400
And a suction body 550 communicating with the suction port.

The main body 100 of the vacuum cleaner includes a dust collecting chamber having a disposable dust bag therein, and a pair of large wheels 101.
And one universal wheel 102, the suction hose 200
Can be moved through. In addition, the operation control of the vacuum cleaner main body 100 is operated by receiving an operation signal started from the hand handle unit 300 by the infrared light receiving unit 103 in the operation display unit provided on the upper surface of the vacuum cleaner main body 100. .

The suction hose section 200 has a function as a transport path for transporting dust to the vacuum cleaner main body 100 and a function as a moving pulling means for moving the vacuum cleaner main body 100.

The handle 300 has a function of communicating the suction hose 200 with the connection pipe 400, a function of controlling and moving the vacuum cleaner main body 100, and a function of operating the movement of the suction body 550. ing. The hand handle 300 includes a connecting pipe 304 for connecting the connecting pipe 400 and the suction hose 200, a handle 301, and an operation switch 302.

The connecting pipe 304 is connected to the connecting pipe 400.
And the first connection pipe 305 attached to the grip 301 and the suction hose 200 are connected to the first
A second connecting pipe 306 rotatably attached to the first connecting pipe 305 so as to swing about the connecting pipe 305
It is composed of Due to the structure of the connecting pipe section 304, the hand handle section 300 is connected to the suction hose section 2
00 and the connection pipe 400 are connected to each other to form a dust conveyance path, and the suction hose section 200 is rotatably connected so that the suction hose section 200 is always positioned downward during the twisting operation of the hand handle section 300. 400 is detachably attached.

Further, the hand handle portion 300 has an angle of about 100 degrees with the central axis B2 in the longitudinal direction of the connecting pipe 400, that is, at the upper end on the extension of the central axis B2 of the connecting pipe 400, The longitudinal direction is the suction hose section 200
The handle portion 301 is provided at a position substantially coincident with the connection direction of the connection pipe 400 and the connection pipe 400. With this handle portion 301, the vacuum cleaner main body 100 can be moved via the suction hose 200, and further, the movement of the suction body 550 can be operated.

In particular, according to the handle portion 301, the twisting operation, that is, the rotation P1 about the central axis B2 can be easily performed. In addition, in this twisting operation, the suction hose 20
Since the suction hose portion is not pulled up by the twisting operation of the handle portion 301, the load on the wrist can be reduced since the handle portion 301 is rotatably mounted so as to be always positioned below the handle portion 301 by gravity. At this time, since the handle portion 301 is provided at the upper portion, the suction hose 200 provided below does not disturb the twisting operation.

Further, the handle portion 301 is provided with a handle cover 307 held by a user so as to be rotatable, so that the handle cover 307 changes the angle due to the twisting operation of the handle portion 301. Since it can be absorbed by rotating 301,
The burden on the wrist can be reduced.

Further, in the vicinity of the handle portion 301,
An operation unit 302 for operating the vacuum cleaner main body 100 is provided. The operation unit 302 includes an infrared transmitting unit 30.
3 are provided.

The connection pipe 400 connects the hand handle portion 300 and the suction body 550, and further fixes the hand handle portion 300 and the suction body 550 at a predetermined position, so that the hand handle portion 300 It has a function of transmitting the movement (movement or rotation) to be the movement (movement or rotation) of the suction body 550. In this embodiment, two pipes 401 and 402 having different sizes are combined so as to be expandable and contractible so that they can be fixed at a predetermined position, and a hand handle portion 300 is detachably attached to one of the tubes and a mouthpiece 550 is detachably attached to the other. To be mounted on

The mouthpiece 550 includes a mouthpiece body 1000 having a bottom face for sucking dust, and the mouthpiece body 1000 is connected to the connection pipe 400.
00, the bottom surface of the suction main body 1000 always operates to contact the floor surface in response to the movement of the hand handle portion 300 transmitted through the connection pipe 00, and the air flow including the dust sucked from the suction main body 1000 flows through the connection pipe. And a free connecting portion 1530 that communicates so as to be guided to 400.

The suction main body 1000 has a suction opening provided with a rotary brush for sucking dust on the floor surface on the bottom surface. The free connecting portion 1530 is rotatably connected to the height direction Y of the hand handle 300 and the left and right direction X around the mouth body 550, and the rotation P1 of the twisting operation of the hand handle portion 300 is directly used as the suction body 1000. The mechanism for transmitting the rotation P2 is provided. In this example,
The lower arm part 1 which is rotatably attached to the mouthpiece body 1000 so as to be rotatable in the height direction Y, with the universal connecting part 1530 being rotatable.
531 and an upper arm 1532, one end of which is attached to the connection pipe 400, and the other end of which is attached to the lower arm 1531 and to enable rotation in the left-right direction X.

In this embodiment, the angle in the height direction Y is about 90 degrees from the floor surface, and the angle in the horizontal direction X is about 36 degrees.
It is set to be operable in the range of 0 degrees. In addition, the angle of the height direction Y is about 9 degrees from the floor surface in consideration of the storability described later.
It may be 0 degrees or more. In addition, if the horizontal direction X is about 180 degrees, there is no problem in cleaning performance.

Further, the mouthpiece 550 is provided with the mouthpiece main body 10.
Bumper part 10 provided with a sliding member 1100 around 00
By providing 33, the wheel 1200 which improves the cleaning property of the wall and which smoothly moves the suction body 1000 in the longitudinal direction is provided on the bottom surface. Hereinafter, for convenience of description, the moving direction along the longitudinal direction of the mouthpiece 1000 will be described as a left-right direction V1, and the moving direction along the short direction of the mouthpiece 1000 in a direction perpendicular to the left-right direction will be described as V2.

Further, by providing a dust guiding means at the front portion (between the front end portion) of the suction port provided on the bottom surface of the suction main body 1000, it is possible to efficiently suck in dust that is difficult to remove.

As described above, the vacuum cleaner 1 according to the present embodiment.
According to this, since the operation signal is transmitted via the infrared signal, there is no need to wire the suction hose 200, and the weight of the suction hose 200 can be reduced. Therefore, the burden on the handle portion 300 held by the user is reduced,
The running of the vacuum cleaner main body 100 and the suction body 550
Operation can be improved. In particular, a major feature of this embodiment is that the operation of the mouthpiece 550 via the handle portion 300, for example, the handle portion 3
For example, the rotation P1 of the 00 twisting operation can be used as the rotation P2 of the mouthpiece 550 as it is, so that the operation performed by the user with the handle 300 at hand can be smoothly performed as the movement of the mouthpiece 550. Specifically, for example,
By twisting the handle 300 by 90 degrees (rotation P1), the mouthpiece 550 is rotated by 90 degrees (rotation P2) as shown by the dotted line in FIG. 1, and the handle 300 is moved normally back and forth. The suction body 1 along the wall
In this case, the suction hose unit 200 connected to the hand handle unit 330 can be cleaned even if the hand handle unit 300 is twisted by 90 degrees. Since the suction hose 200 rotates so as to always be positioned below, the operability of the suction hose unit 200 accompanying the twisting operation is not impaired.

Hereinafter, the hand handle according to the present embodiment will be described in detail with reference to FIGS. 2 is an external perspective view of the handle portion, FIG. 3 is an exploded view of the second connecting pipe portion, FIG. 4 is a cross-sectional view of the handle portion, FIG. 5 is a diagram showing the use state of the vacuum cleaner, and FIG. Illustration of FIG. 7
FIG. 5 is an explanatory diagram of the operation of the hand handle portion.

Referring to FIGS. 2 and 3, the hand handle 300
The handle portion 301 and the first connection tube portion 305
The main body 308 and the second connecting pipe 30
And 6.

The handle body 308 has a substantially triangular appearance having a substantially triangular through hole 316 at the center.
08a, the other upper side is a grip arrangement section 308b where the handle section 301 is formed, and the triangular base is a connection pipe arrangement section 408c provided with the first connection pipe section 305. Then, the connection pipe part 400 is connected via the operation switch placement part 308a and the corner 408d of the connection pipe placement part 408c so that the longitudinal direction of the operation switch placement part 308a coincides with the extension line B2 of the connection pipe 400.
To be mounted on

In this embodiment, the operation switch arranging portion 308a, the grip arranging portion 308b, and the connecting pipe arranging portion 408c are formed substantially linearly. As a result, in the operation switch disposing portion 308a, the plate-like operation substrate 3
02a (shown in FIG. 4), the mounting of the rotating handle cover 307 in the grip arrangement section 308b is improved, and the second arrangement in the connecting pipe arrangement section 350c is performed.
The rotation space of the connecting pipe portion 306 is secured.

According to this structure, the connecting pipe 400 and the first connecting pipe section 304 can be connected at a gentle angle at which noise is less likely to occur, and the upper part of the connecting pipe section 304 is provided to the user. An easy-to-hold grip (handle portion 301) is positioned at an easy-to-grip angle on the extension line B2 of the connection pipe 400, and a space (operation switch arrangement portion 308a) accompanying the arrangement of the handle portion 301 is used. The operation unit 302 can be arranged at a position with good operability. This makes it possible to realize the handle portion 300 in a compact form having excellent internal mounting efficiency, high strength, and excellent operability.

In particular, in this embodiment, the first connecting pipe 305 and the second connecting pipe 306 rotating around the first connecting pipe 305 are connected to each other by the first connecting pipe 305. It is necessary to provide a large opening 317 on the peripheral side surface of the connecting pipe disposing portion 408c having the portion 305. Insufficient strength of the connecting pipe disposing portion 408c due to the installation of the large opening 317 can be solved by connecting the connecting pipe disposing portion 408c and the grip disposing portion 308b.

In this embodiment, the operation switch arranging portion 308a and the grip arranging portion 308b are formed substantially in a straight line and are connected so as to form a triangular shape. It may be formed in an arch shape. This allows the arch-shaped portion to be a gently bent handle portion, so that the user can hold a portion at an arbitrary angle, so that the holding ability can be improved.

The handle main body 308 includes main body covers 309a and 309b which are formed symmetrically with resin.
An operation switch cover 310 and a handle cover 307 rotatably attached to the handle portion 301 are provided. The body covers 309a and 309b are joined by a dividing line 311 with the operation switch cover 310 interposed therebetween, and attached with screws (not shown).

On the other hand, the second connecting pipe portion 306 is composed of a second connecting pipe main body 312 and a second connecting pipe cover 313, and the second connecting pipe main body 312 and the second connecting pipe cover 31 are formed.
3, the first connecting pipe 305 of the handle main body 308 is sandwiched and attached. In this attachment, the attachment rib 314a provided on the second connection pipe cover 313 is attached to a rib attachment portion 314b provided inside the second connection pipe main body 312, and is attached via a screw from outside. By making the second connecting pipe portion 306 detachable, dust stuck in the connecting pipe 304 can be easily removed.

The second connection pipe main body 312 is provided with a hose connection part 315, and one end of the suction hose part 200 is detachably attached. This attachment / detachment structure has a structure in which a protrusion 201 a provided on the connection portion 201 of the suction hose 200 is connected by fitting into a connection hole 315 a of the hose connection portion 315. To remove, use the connection hole 3
The protrusion 201a fitted to 15a can be removed by pushing in with a screwdriver or the like to release the fit.

The connecting portion 20 of the suction hose 200
Numeral 1 is attached to the suction hose 200 so as to be rotatable in the axial direction B3 so that the twist of the suction hose 200 does not affect the handle 300 at hand.

Reference numeral 318 denotes a battery cover for attaching / detaching a battery incorporated in the handle 300 at hand, and 303 denotes an operation unit 3
02 is an infrared transmitter provided behind the handle 300 at hand.

Next, referring to FIG.
The internal structure of 00 will be mainly described. In the figure, first,
The hand handle portion 300 includes an extension line B2 of the connection pipe 400, a pipe axis direction B1 of the connection pipe section, and a suction hose section 2.
00 and the longitudinal direction B of the handle portion 301
4 is designed in consideration of the above. This will be described based on the use state of FIG.

In FIG. 5, first, in the vacuum cleaner 1 according to the present embodiment, the user holds the handle portion 3 in a standing posture.
By holding 00, the floor can be cleaned by operating the mouthpiece 550 via the connection pipe 400. At this time, the hand handle 30 is connected via the suction hose 200.
Since the main body 100 of the vacuum cleaner connected to 0 is provided with a pair of large wheels 101 and one free wheel 102,
Cleaning can be performed while moving. In general, the average height of a Japanese woman is 157 cm, but when this user naturally holds the handle 300 at hand, the connecting pipe 40
When cleaning is performed by moving the suction body 550 forward and backward through the zero, if the vertical distance between the hand handle 300 and the floor is 78 cm or less, the cleaning is performed without placing a burden on the hands and arms. be able to. The angle is 4 vertically
The operation range is set to 5 degrees, which is the most operated range of the user. If the operation range is 45 degrees or more, a burden is placed on the hands and arms.

3 and 4, in the present embodiment,
The length of the connection pipe 400 is set so that the angle Θ4 formed by the extension line B2 of the connection pipe 400 and the floor surface becomes 45 degrees. Then, the handle portion 301 of the hand handle portion 300
The angle Θ3 formed by the longitudinal direction B4 of the
The degree is set in the range of degrees to 150, so that the handle part 3
The user gripping the connection pipe 400 has an angle of 45 degrees.
In the state of the degree, the movement in the front-back direction can be facilitated.

In this embodiment, the connection pipe 400
Vacuum cleaner body 1 installed on the floor with a transfer path for dust lifted to the top of the handle 300 at hand
00 and gently continue to the lowest position of 00, and allow the suction hose 200 connected to the handle 300 to swing (forward and backward in the drawing) about the handle 300. Therefore, the angle Θ1 between the pipe axis direction B1 of the connecting pipe section 304 and the extension line B2
Is set in the range of 110 to 150 degrees so as to be at a horizontal position substantially parallel to the floor surface, and the core # 2 formed by the pipe axis direction B3 of the suction hose section 200 and the pipe axis direction B1 of the connection pipe section 304.
Is set in the range of 110 degrees to 150 degrees.

Returning to FIG. 4, in the present embodiment, in order to realize the handle portion 300 in consideration of the actual use,
First, the first connection pipe part 305 is attached to the connection pipe attachment part 318 attached on the extension line B2 of the connection pipe 400, and the second connection pipe part 306 is attached.
The connecting pipe mounting part 318 and the hinge pipe part 319 formed by bending at an obtuse angle Θ1 with respect to the extension line B2 of FIG.

Further, the second connecting pipe section 306 is rotatably mounted so that the suction hose section 200 has an obtuse angle に 対 し て 2 with respect to the pipe axis direction B1 of the hinge pipe section 319. The connection between the connection pipe attachment part 318 and the hinge pipe part 319 is formed into an inner surface shape that is gently continued, and the rear part of the hinge pipe part 319 is connected to the opening part 317 in a large radius to form a second connection. Connecting pipe section 30
6 is continued.

As a result, the dust sucked in from the suction body 550 is moved by the connecting pipe 4 while the swinging operation of the suction hose 200 at the handle 300 is maintained.
00, the first connecting pipe section 305, the second connecting pipe section 306, and the suction hose section 200, the conveyed to the vacuum cleaner main body 100 through a gentle mountain-shaped dust conveying path. Noise generated from the unit 300 and other transport paths or dust accumulation can be reduced.

In this embodiment, the connection pipe 400
The switch arrangement part 308a is provided on the extension line B2 of the above. And
The upper end of the switch arrangement part 308a and the hinge tube part 3
By providing the grip arrangement portion 308b for coupling the rear portion of the connection pipe arrangement portion 408c provided with the handle portion 19, the handle portion 3
01 in the longitudinal direction B4.

In the present embodiment, the grip arrangement portion 3
A handle portion 301 is formed by providing a rotatable handle cover 307 at 08b. The handle cover 307 will be further described with reference to FIG. 6A is an expanded view of the handle cover 307, and FIG.
FIG. In the figure, the handle cover 307 has a cylindrical shape with half-cylindrical cover pieces 307a and 307b, and is attached to the attachment portion 321 of the grip arrangement portion 308b. When attaching, one cover piece 307 is used.
a to the other cover piece 307b.
Is mounted on the mounting portion 321 by fitting the rib receiving portion 322b provided on the mounting portion 321b.

Returning to FIG. 4, according to the handle cover 307 having the above structure, for example, the handle held by the user's hand by twisting and rotating the extension line B2 of the connection pipe 400 as shown by the arrow. Since the cover 307 can rotate the extension line B2 in a direction opposite to the arrow, the movement of the wrist accompanying the twisting operation can be absorbed without difficulty. The reverse twisting operation is the same. Thus, the twisting operation can be performed without difficulty according to the human system.

Next, the operation state of the handle portion according to the present embodiment will be further described with reference to FIG. FIG. 7 is a reference view of the use state in which the handle portion is viewed from the rear,
(A) The figure shows a hand handle portion of the present embodiment in a state where the mouthpiece is straightened. (B) is a diagram showing a state in which the handle is rotated, and (c) is a diagram showing a use state of the conventional hand handle.

First, in FIGS. 5A and 5B, the hand-held handle portion 300 of the present embodiment does not twist the hand-held handle portion as shown in FIG. It is located below. on the other hand,
(B) As shown by the dotted line in the drawing, even if the hand-held handle portion 300 is twisted 90 degrees left and right, the suction hose portion 200 can
The second connection pipe 306 is the hinge pipe 3 of the first connection 305.
Because it rotates around 19, it is always located below due to its weight. Accordingly, in the operation of twisting the hand handle portion 300, the suction hose portion 200 is always held in the same state, so that the burden on the wrist can be reduced.

Further, in this embodiment, since the handle portion 301 is provided with the rotating handle cover 307, the burden on the wrist can be further reduced.

In this embodiment, the suction body 550 is used.
Can be rotated 90 degrees, so that the handle 3
The rotation operation range of the second connecting pipe portion 306 can be rotated 90 degrees left and right around the lower position, that is, a total of 180 degrees so that the suction hose portion 200 is located lower even if the 00 is twisted 90 degrees. An opening 317 is formed so that the first connection pipe 305 and the second connection pipe 305 communicate with each other in the above range.

On the other hand, in the conventional example shown in FIG. 1C, the hand handle 300 is twisted 90 degrees to the left and right,
Since the suction hose unit 200 is pulled upward, a force for pulling the suction hose unit 200 downward acts on the hand holding the handle unit 301a in the direction of the arrow.
This imposes an unnecessary burden on the hand of the user holding the handle portion 300 at hand. In particular, in the case where a long suction hose section 200 has been adopted in recent years, the force for pulling back is large. Further, when there is a space between the suction hose section 200 and the vacuum cleaner main body 100, the twisting operation also pulls the vacuum cleaner main body 100, and the burden on the hand increases.
In this regard, according to the hand handle portion 300 of the present embodiment,
The problem of the conventional example is solved.

In this embodiment, the suction body 550 is used.
Is set to be rotatable in the range of 180 degrees because it is rotatable by 90 degrees. However, a suction body used in a conventional vacuum cleaner, for example, a suction body disclosed in JP-A-5-245073 It is not necessary to take the above-mentioned operation range as long as the suction body which can be rotated to some extent by a joint structure having a bent tubular shape provided on the suction body is used. That is, as long as the mouthpiece can be rotated to some extent by the twisting operation of the hand handle 330, the operation and effect of the hand handle 300 of the present embodiment can be expected. In this case, due to the structure of the mouthpiece, the second connecting pipe 30
6 rotation operation range of 45 degrees left and right around the lower position, a total of 90 degrees, or 80 degrees left and right, a total of 160 degrees
The rotation may be set within a range of degrees.

(Second Embodiment) FIGS. 8 to 12 show a hand handle portion 300 according to another embodiment. FIG. 8 is an exploded view of a second connecting pipe portion of a hand handle portion showing another embodiment of the vacuum cleaner according to the present invention, and FIG. 9 is an external view of the hand handle portion, and FIG. , (B)
FIG. 10 is a rear view showing an operation state, FIG. 10 is a cross-sectional view of a handle portion at hand, FIG. 10A is a central cross-sectional view, and FIG.
It is sectional drawing of the arrow of a figure.

8 and 9, the hand handle portion 300 according to this embodiment is significantly different from the first embodiment in that one end of the handle portion 301 is open. The hand handle portion 300 according to this embodiment also includes
The handle 301 includes a handle main body 350 that forms the first connection pipe 305, and a second connection pipe 306.

The handle body 350 is connected to the connecting pipe 400.
The connecting portion 350d is extended along the extension B2 of the connecting pipe 400 based on the connecting portion 350d attached to the upper end of the connecting portion.
, An operation switch arrangement portion 350a extending from the operation switch arrangement portion 350a, a grip arrangement portion 350b which bends from the upper end of the operation switch arrangement portion 350a and extends rearward, and branches from the connection portion 350d to the operation switch arrangement portion 350a and extends in the horizontal direction. And a connecting pipe arrangement section 350c having one connecting pipe section 305.

That is, the handle body 35 of this embodiment
Reference numeral 0 denotes a substantially triangular shape composed of the operation switch arranging portion 350a, the grip arranging portion 350b, and the connecting tube arranging portion 350c, and a connecting portion 350d for connecting one end of the connecting tube arranging portion 350c serving as a bottom side to the connecting tube 400; The other end is opened. This embodiment also has the same effect as the first embodiment by making the three parts linear.

According to this structure, the connecting pipe 400 and the first connecting pipe section 304 can be connected at a gentle angle at which noise is less likely to occur, and the upper part of the connecting pipe section 304 is provided to the user. An easy-to-hold grip (handle portion 301) is positioned at an easy-to-grip angle on the extension line B2 of the connection pipe 400, and further, a space (operation switch arrangement portion 350a) associated with the arrangement of the handle portion 301 is used. The operation unit 302 can be arranged at a position with good operability. This makes it possible to realize the hand-held handle portion 300 having excellent operability in a compact form having excellent internal mounting efficiency.

In this embodiment, the operation switch arranging portion 308a and the grip arranging portion 308b are formed substantially in a straight line and connected so as to form a triangular shape. It may be formed in an arch shape.

The handle main body 350 includes a resin-molded main body cover 351 constituting a lower portion of the handle main body 350, a resin-molded operation switch cover 352 constituting an upper portion of the handle main body 350, and a handle portion 3.
01 and the like.
The operation switch cover 352 has the operation board body 3 inside.
02a is attached, and the main body cover 351 is connected via screws or the like.
Attached to Of course, the handle body 350 may be configured with another divided structure.

The open end of the connecting pipe arrangement portion 350c is formed in a cylindrical shape, and an opening 360 for forming a dust conveyance path is formed below the peripheral side surface thereof, and the open end is formed at the open end. Has a mounting hole 356a formed at the center of the column.

On the other hand, the second connecting pipe portion 306 comprises a cap-shaped second connecting pipe main body 353 and a mounting pin 354. The second connecting pipe main body 353 includes the cylindrical opening 355 at one end, and the opening 3 at the other end.
A mounting hole 356b of the mounting pin 354 is provided at a position which is a center position of the mounting hole 55, and a hose connecting portion 315 is provided below the mounting hole 356b and a position shifted from the mounting hole 356b. Can be

Then, the second connection pipe main body 353 having the cylindrical opening 355 is inserted into the cylindrical connection pipe placement section 350c, and the mounting holes 356a, 356 are formed.
By mounting the mounting pin 354 so as to penetrate through b,
The second connection pipe main body 353 is rotatably mounted so as to swing about the connection pipe arrangement portion 350c. In this embodiment, the second connecting pipe main body 353 is detachable via the mounting pin 354. Thereby, the connecting pipe 3
Dust that has clogged in the inside 04 can be easily removed.

Further, one end of the suction hose section 200 is detachably attached to the hose connection section 315 of the second connection pipe main body 353 as in the first embodiment. Reference numeral 318 denotes a battery cover for attaching / detaching a battery incorporated in the handle 300, and reference numeral 303 denotes an infrared transmitting unit provided behind the handle 300 together with the operation unit 302.

Next, the internal structure of the handle portion 300 will be described mainly with reference to FIGS. In the figure,
The hand handle portion 300 according to this embodiment also has an extension line B2 of the connection pipe 400, a pipe axis direction B1 of the connection pipe section, and a design concept similar to that of the first embodiment.
The tube axis direction B3 of the suction hose part 200 and the handle part 30
Angles Θ1, Θ2, 構成 さ れ る composed of one longitudinal direction B4
3 has been determined.

Then, the first connecting pipe 305 is connected to the connecting pipe mounting part 318 which is mounted on the extension line B2 of the connecting pipe 400, and the second connecting pipe 306 is mounted. The connecting pipe mounting part 318 is formed at an obtuse angle Θ1 with respect to the extension line B2, and the hinge pipe part 319 is formed by bending. Further, the second connecting pipe portion 3
06, the suction hose portion 200 is connected to the hinge tube portion 31.
9 so as to be rotatable so as to take an obtuse angle Θ2 with respect to the tube axis direction B1. And the connection pipe mounting part 3
The connection between the hinge tube portion 318 and the hinge tube portion 319 is formed to have an inner surface shape that is gently continued, and the rear portion of the hinge tube portion 319 is connected to the opening portion 317 in a large round shape, and is connected to the second connection tube portion 306. Like that.

In this embodiment, if the strength of the hinge tube 319 is required, for example, as shown in FIG.
(A) As shown by a dotted line in the figure, it is preferable that the end of the handle portion 301 and the rear portion of the hinge tube portion 319 are connected by another reinforcing member.

(Other Embodiments) In the hand handle portion according to the present embodiment, the signal of the operation portion provided on the hand handle portion is transmitted to the vacuum cleaner by an infrared signal, but the signal line is connected to the suction hose portion. May be provided, and this signal may be transmitted via the movable portion of the hand handle.
This transmission mechanism is achieved by using the technology described in Japanese Patent Application Laid-Open No. 4-161126.

[0071]

According to the present invention, the suction body can be rotated over a wide range with respect to the floor surface by the twisting operation of the handle at hand, so that the suction body can be operated in a comfortable posture, so that the operability and cleaning performance are improved. Can be improved.

[Brief description of the drawings]

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

FIG. 2 is an external perspective view of a hand handle showing an embodiment of the vacuum cleaner according to the present invention.

FIG. 3 is an exploded view of a second connecting pipe portion of the hand handle portion showing one embodiment of the electric vacuum cleaner according to the present invention.

FIG. 4 is a cross-sectional view of a hand handle portion showing an embodiment of the vacuum cleaner according to the present invention.

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

FIG. 6 is an explanatory view of a handle cover showing one embodiment of the electric vacuum cleaner according to the present invention.

FIG. 7 is an explanatory view of the operation of the handle at hand showing one embodiment of the electric vacuum cleaner according to the present invention.

FIG. 8 is an exploded view of a second connecting pipe portion of a hand handle portion showing another embodiment of the vacuum cleaner according to the present invention.

FIG. 9 is an external view of a hand handle portion showing another embodiment of the electric vacuum cleaner according to the present invention.

FIG. 10 is a cross-sectional view of a hand handle showing another embodiment of the vacuum cleaner according to the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Vacuum cleaner, 100 ... Vacuum cleaner main body, 200 ... Suction hose, 300 ... Hand handle, 301 ... Handle part, 400 ... Connection pipe, 550 ... Suction body, 1000 ... Suction body.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Masao Sunagawa 1-1-1, Higashitaga-cho, Hitachi City, Ibaraki Prefecture Inside the Hitachi, Ltd.Electrical Equipment Division

Claims (14)

[Claims] 1. A vacuum cleaner body having a blower for sucking dust, a flexible suction hose attached to one end of the vacuum cleaner body and connected to the blower,
A connecting pipe portion having one end attached to the other end of the suction hose portion, a hand handle portion provided with a grip portion, a connecting tube having one end attached to the other end of the connecting tube portion of the hand handle portion, and the connection A suction body attached to the other end of the pipe, and the dust sucked in from the suction body together with the airflow is supplied to the vacuum cleaner body via the connection pipe, the connection pipe section of the hand handle section, and the suction hose section. A vacuum cleaner for conveying, wherein the connecting pipe portion is connected to the connecting pipe.
The first connecting pipe section is configured with a second connecting pipe section connected to the suction hose section, the first connecting pipe section is provided with the grip section, and the second connecting pipe section is An electric vacuum cleaner wherein a suction hose portion is rotatably attached to the first connection tube portion so as to swing around the first connection tube portion. 2. The vacuum cleaner according to claim 1, wherein
The first connection pipe section has a connection pipe mounting section mounted on an extension of the connection pipe, and the second connection pipe section is mounted, and the connection is formed at an obtuse angle with respect to the extension of the connection pipe. The second connecting pipe section is configured to have an obtuse angle with respect to the pipe axis direction of the hinge pipe section. An electric vacuum cleaner being rotatably mounted. 3. The vacuum cleaner according to claim 2, wherein
The vacuum cleaner is characterized in that the handle is formed by connecting both ends of the hinge tube in the longitudinal direction, and an intermediate portion thereof is separated from the hinge tube. 4. The vacuum cleaner according to claim 2, wherein the bending angle of the first connecting pipe is one.
The vacuum cleaner has a range of 10 to 150 degrees, and an attachment angle between the hinge tube and the suction hose is in a range of 110 to 150 degrees. 5. The vacuum cleaner according to claim 1, wherein the second connecting pipe is rotatably attached to the first connecting pipe in a range of 170 degrees or more. A vacuum cleaner characterized by the following. 6. The vacuum cleaner according to claim 1, wherein
The first connecting pipe portion is attached on an extension of a longitudinal direction of the connecting pipe, and the connecting pipe is attached to one end side,
The handle portion is provided on the other end side, the second connecting pipe portion has an obtuse angle with respect to the longitudinal direction of the connecting pipe,
A vacuum cleaner characterized in that the vacuum cleaner is rotatably mounted with its extension line as a rotation axis. 7. The vacuum cleaner according to claim 1, wherein a handle cover held by a user is rotatably provided on the handle portion. 8. A connecting pipe for connecting a vacuum cleaner main body provided with a blower and a suction body and forming a part of a transfer path for transferring dust sucked from the suction body together with an air flow to the vacuum cleaner main body. And a handle portion, wherein the connection pipe portion is connected to a first connection pipe portion connected to a connection pipe connected to the mouthpiece, and connected to the vacuum cleaner main body. A second connecting pipe section connected to the suction hose section, wherein the first connecting pipe section is provided with the grip section, and the second connecting pipe section is configured to connect the suction hose section to the first connecting pipe section. The first so that it swings around the connecting pipe part
A handle for a vacuum cleaner, which is rotatably attached to a connecting pipe portion of the vacuum cleaner. 9. A handle for a vacuum cleaner according to claim 8, wherein said first connecting pipe section is a connecting pipe mounting section which is mounted on an extension of said connecting pipe, and said second connecting pipe section. A connection tube attached to the connection tube, and a hinge tube formed by bending the connection tube attachment portion at an obtuse angle with respect to an extension of the connection tube. A handle for a vacuum cleaner, wherein the handle is rotatably mounted so as to take an obtuse angle with respect to the pipe axis direction of the hinge pipe. 10. The hand handle for a vacuum cleaner according to claim 9, wherein said handle portion connects both ends of said hinge tube portion in the longitudinal direction, and has an intermediate portion formed apart from said hinge tube portion. A handle for a vacuum cleaner characterized by being performed. 11. The hand handle for a vacuum cleaner according to claim 8, wherein a bending angle of the first connecting pipe portion is in a range of 110 to 140 degrees.
An attachment angle between the hinge tube and the suction hose ranges from 110 degrees to 140 degrees. 12. The hand handle for a vacuum cleaner according to claim 8, wherein the second connecting pipe section rotates at an angle of 170 degrees or more with respect to the first connecting pipe section. A handle for a vacuum cleaner characterized by being attached as possible. 13. A hand handle for a vacuum cleaner according to claim 8, wherein said first connecting pipe portion is mounted on an extension in a longitudinal direction of said connecting pipe, and said connecting pipe is mounted on one end side. The handle portion is provided on the other end side, and the second connecting pipe portion has an obtuse angle with respect to the longitudinal direction of the connecting pipe, and is rotatably mounted with its extension line as a rotation axis. A handle for a vacuum cleaner, 14. A hand-held handle for an electric vacuum cleaner according to claim 8, wherein the handle portion is provided with a handle cover held by a user so as to be rotatable. Hand handle for the machine.