JP3467847B2 - Upright type 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 an upright type electric vacuum cleaner having a structure in which a main body having a handle part on an upper part and a dust collecting chamber cover on a front part and a floor nozzle part are tiltable.

[0002]

2. Description of the Related Art Generally, an upright type electric vacuum cleaner of this type has a structure as disclosed in Japanese Patent Laid-Open No. 5-42075. The configuration will be described below with reference to FIGS. 9 and 10. In the figure, 1 is a floor nozzle part having a rotary brush 2, and 3 is a fan motor 5 having a motor shaft 4 for tiltingly attached to the floor nozzle part 1 for driving the rotary brush 2. A main body having a dust collecting chamber lid 7 opened when taking out the dust collecting bag 6 for collecting the sucked dust and a handle portion 8 built in the upper portion, 9
Is a belt for transmitting the power of the motor shaft 4 to the rotating brush 2.

[0003]

However, in the above configuration, the floor area of the floor nozzle portion 1 is at least required in the storage space. Further, as shown in FIG. 10, even if the handle portion 8 which is space-saving in the packaging form is detachable, the main body 3 is tilted and stored in the floor nozzle portion 1 so as to be substantially horizontal. Since the minimum length of the main body 3 plus the length L of the floor nozzle portion 1 is required, a considerable storage space is required.

Further, when the vacuum cleaner in the housed state falls, the dust collection chamber lid 7 on the surface of the main body 3 is opened and the dust inside is scattered.

In view of the above problems, it is a first object of the present invention to provide an upright type electric vacuum cleaner which can greatly reduce the floor area during storage.

A second object of the present invention is to provide an upright type electric vacuum cleaner which, in addition to the above-mentioned first object, reduces the height of the entire vacuum cleaner when it is housed and requires a small storage space.

A third object is to provide an upright type electric vacuum cleaner in which the floor nozzle portion covers the lower portion of the dust collecting chamber lid and dust is not spilled, in addition to the above first object.

A fourth object is to provide an upright type electric vacuum cleaner in which the stability of the main body during storage is improved in addition to the above first object.

A fifth object is, in addition to the first object, to provide an upright type electric vacuum cleaner in which the cleaner main body can be stood with a light force.

A sixth object is, in addition to the above-mentioned first object, to ensure the safety by reliably turning off the power even when the cleaner is housed with the power cord plugged in the outlet.

A seventh object is to provide an upright type electric vacuum cleaner having improved stability during storage, in addition to the first object.

[0012]

[Means for Solving the Problems] A first means for achieving the above-mentioned first object is a floor nozzle part having a rotary brush built in the front part, a fan motor in the lower part, and a dust collecting cover in the upper part. and a body each having a covered dust collection unit, together with the attaching said body tiltably to the floor nozzle unit, the locking portions to the <br/> body engaging portion on the floor nozzle unit The above
When it is tilted the body to substantially parallel state with respect to the floor nozzle unit, and the locking portion and the locked portion is in <br/> Rukoto temporarily engaging match, the said body floor nozzle Tilt between parts is fixed
It is what is done.

[0013] The second second means to an end of, the same time as the locked portion of the engaging portion and the floor nozzle unit of the main body are engaged, to said floor nozzle portion, said body The lower part is movable in a substantially horizontal direction.

A third means for achieving the third object is that when the lower portion of the main body is moved in a direction substantially horizontal to the floor nozzle portion, the upper surface of the floor nozzle portion is the dust collection chamber lid. It is configured to cover the lower part.

A fourth means for achieving the fourth object is to tilt the main body to a state substantially parallel to the floor nozzle portion.
And the rest for standing up and storing the main body in that state ,
It is provided on the front surface of the floor nozzle section .

The fifth means for achieving the fifth object is to contact the floor surface during normal use, and to fix the main body to the floor nozzle.
Tilt it to a state that is approximately parallel to the
The front roller , which serves as a fulcrum and a part of the rest, is provided at the lower end of the front surface of the floor nozzle section when it is stowed and stored .

A sixth means for attaining the sixth object is to turn off the power of the main body when the lower part of the main body is moved in a substantially horizontal direction and the main body is housed inside the floor nozzle portion. A switch that operates is provided on the main body or the floor nozzle.

A seventh means for achieving the seventh object is to provide one end of a handle on the upper portion of the main body so as to be tiltable.
When the handle portion is tilted downward, the top end of the handle portion is in contact with the floor surface.

[0019]

According to the first means of the present invention, by fixing the main body and the floor nozzle section in a substantially horizontal state and storing them standing upright, the minimum required floor area can be obtained as compared with the conventional storage space. Since it requires less than half, space can be saved during storage.

Further, according to the second means, when the main body and the floor nozzle section are fixed in a substantially horizontal state, the distance between the main body and the floor nozzle section is shortened in conjunction with the fixation. Since the body can be moved in a substantially horizontal direction, the length of the main body can be shorter than before even during packaging,
The packaging box can be made compact.

According to the third means, by covering the lower portion of the dust collecting chamber lid provided on the front surface of the main body of the floor nozzle section, the dust collecting chamber lid is tumbled when the stand is housed, etc. It is possible to prevent the dust from being scattered due to the opening.

According to the fourth means, by providing the rest on the front surface of the floor nozzle portion, it is possible to improve the stability of the main body when the stand is housed.

According to the fifth means, the front roller provided at the lower end of the front part of the floor nozzle functions as a fulcrum when the main body and the floor nozzle are fixed in a substantially horizontal state and stand upright. You can stand the body smoothly. Further, since the front roller also serves as a moving roller when the main body moves, the main body can be smoothly moved. Furthermore, since this front roller becomes a part of the rest, it is possible to improve the stability during storage.

According to the sixth means, the main body and the floor nozzle portion are fixed in a substantially horizontal state, and the main body or the floor nozzle portion is moved in the horizontal direction so as to be provided in the main body or the floor nozzle portion. Since the switch operates and the power is turned off, the safety can be improved.

According to the seventh means, by tilting the handle portion downward so that the tip of the handle portion comes into contact with the floor surface, the stability during storage can be improved and the storage height can be increased. It can be reduced by the length of, and can be made compact when stored.

[0026]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIG.
A description will be given with reference to FIGS. 2, 3, and 4.

In FIGS. 1 to 4, reference numeral 10 denotes a floor nozzle portion having a rotary brush 11 for scraping up dust. A main body 12 tiltably provided at a rear portion of the floor nozzle unit 10 has a motor shaft (not shown) for driving a rotating brush 11 at a lower portion thereof and sucks dust scraped up from the floor nozzle unit 10. Fan motor (not shown) for
A tilting shaft 15 with respect to the floor nozzle portion 10, a handle portion 16 for operation on the upper portion, and a dust collecting chamber lid 17 for taking out the dust collecting bag are provided on the front surface. Motor shaft and rotating brush 1
A belt 18 for transmitting power is hung between the belt 1 and the belt 1.

In FIG. 2, which is a view as seen from the direction of arrow A in FIG. 1, a flange portion 19 is provided at the rear of the floor nozzle portion 10, a pin 21 having a pin knob 20 is provided at the center thereof, and a spring 22 is provided for the main body. It is always biased in 12 directions. Further, the side surface of the main body 12 is provided with a substantially circular groove 23 into which the pin 21 is inserted when the main body 12 is tilted in a substantially horizontal state with respect to the floor nozzle portion 10.

The operation of the above configuration is as follows.

The rotary brush 11 is rotated by driving the fan motor 14, and the dust scraped up by the rotary brush 11 is collected in the main body 12 by the suction force of the fan motor. Figure 3
As shown in FIG. 4, when the main body 12 is placed in a substantially horizontal state with respect to the floor nozzle portion 10, the pin 21 at the rear portion of the floor nozzle portion 10 is inserted into the groove 23 provided on the side surface of the main body 12, as shown in FIG. As a result, the tilt between the main body 12 and the floor nozzle portion 10 is fixed.

By storing the two in a standing manner while fixing them, the storage space required is a fraction of that in the conventional case, so that the space can be saved during the storage. By pulling the pin knob 20 outward, the fixed tilting of the two is released.

Next, a second embodiment will be described with reference to FIGS.

In the figure, the tilting shaft 15 provided on the side surface of the main body 12 is used for tilting between the floor nozzle portion 10 and the main body 12.
Is perpendicular to the tilt axis center line and has a rod shape as shown in the figure, and the tilt axis 15 is provided at the rear end on the floor nozzle section 10 side opposite to the tilt axis.
Has an elongated hole 25 having an irregularly-shaped tilting hole 24 capable of rotating at a substantially right angle.

With the above structure, the main body 12 is attached to the floor nozzle portion 1
When tilted so as to be substantially horizontal to 0, the tilting shaft 15 becomes substantially parallel to the elongated hole 25, and the main body 12 is fixed to the floor nozzle unit 1.
When pushed in the 0 direction, the tilting shaft 15 moves in the direction of the floor nozzle portion 10 along the elongated hole 25. As a result, the main body 12
The storage space for the floor nozzle unit 10 is greatly reduced.

Next, a third embodiment will be described with reference to FIGS. 7 and 8. In the figure, the main body 1 is provided inside the floor nozzle unit 10.
It has a cavity 26 for accommodating the lower part of 2. The side surface of the main body 12 has a long groove 27 into which the pin 21 provided at the rear end of the floor nozzle portion 10 is inserted when the main body 12 and the floor nozzle portion 10 are placed in a substantially horizontal state. 7
When the main body 12 and the floor nozzle section 10 are slid as shown in FIG. Further, a handle portion tilting shaft 28 for tilting the handle portion 16 rearward is provided at the lower end of the handle portion 16 above the main body 12.

The operation of the above configuration is as follows.
As shown in FIG. 7, when the main body 12 is placed substantially horizontally with respect to the floor nozzle portion 10, the pin 21 is inserted into the long groove 27 and fixed. Then, the main body 12 is directly attached to the floor nozzle portion 10
The lower part of the main body 12 is housed inside the cavity 26 by sliding it forward. Since the height of the vacuum cleaner is lower than that in the conventional case by storing in this state and standing upright, it is possible to save space during storage.

Further, since the upper surface of the floor nozzle portion 10 covers the lower portion of the dust collecting chamber cover 17 during storage, it is possible to prevent the dust collecting chamber cover 17 from opening during storage and spilling dust inside.

Further, a fourth embodiment will be described with reference to FIG. A rest 29 is provided on the front surface of the floor nozzle portion 10 to improve stability when the floor nozzle portion 10 is stored upright.

Next, a fifth embodiment will be described with reference to FIG. A front roller 30 that serves as a fulcrum when the main body 12 is erected, reduces the operating force during normal use, and serves as a rest during storage is provided on the lower front surface. Further, by providing the front roller 30 at the lower end of the front surface of the floor nozzle unit 10, it serves as a fulcrum when the vacuum cleaner is set up, so the vacuum cleaner can be set up with a light force and the operating force during use is reduced. It can also be planned. Also, since it becomes a part of the rest during storage, it is possible to improve stability during storage.

Next, a sixth embodiment will be described with reference to FIG. When the body 12 of the cavity 26 is slid, the body 12
A switch 31 for turning on / off the power source of the main body 12 is provided at a position where the lower end of the main body 12 contacts.

The lower part of the main body 12 is attached to the floor nozzle 10
When it is housed in the cavity 26, the lower surface of the main body 12 comes into contact with the switch 31 to turn off the power, so that the power is surely turned off at the time of accommodation to improve safety. be able to.

Further, a seventh embodiment will be described with reference to FIG. By tilting the handle portion 16 substantially rearward and bringing the tip of the handle portion 16 into contact with the floor surface, the stability during storage can be improved, and the height of the cleaner can be reduced by the amount of the handle portion 16. Because you can
It can be made compact when stored.

[0043]

As is apparent from the above embodiments, according to the first means of the present invention, when the main body is tilted in a substantially horizontal state with respect to the floor nozzle portion, the space between the main body and the floor nozzle portion is reduced. By providing the temporary fixing mechanism, the floor area at the time of storage can be significantly reduced.

According to the second means, by making the floor nozzle part movable back and forth so that the distance between the main body and the floor nozzle part is shortened, the height of the entire vacuum cleaner becomes low during storage. It requires less storage space.

According to the third means, the floor nozzle portion covers the lower part of the dust collecting chamber lid, so that dust is not spilled.

According to the fourth and fifth means, a rest is provided on the front surface of the floor nozzle portion and a front roller is provided on the lower end of the front surface, so that the vacuum cleaner main body can be raised with a light force.

According to the sixth means, when the floor nozzle portion is moved in a substantially horizontal direction, a switch provided in the main body or the floor nozzle portion is operated to turn off the main body power source, and thus the power source is turned off. Even if the vacuum cleaner is stowed while the cord is plugged into the outlet, the power can be reliably turned off to ensure safety.

According to the seventh means, when the handle portion is tilted downward, the upper end of the handle portion comes into contact with the floor surface, whereby the stability during storage is enhanced.

[Brief description of drawings]

FIG. 1 is a partially cutaway side view of an upright type vacuum cleaner showing a first embodiment of the present invention.

FIG. 2 is a view on arrow A in FIG.

FIG. 3 is a partially cutaway side view showing the housed state of the upright electric vacuum cleaner.

FIG. 4 is a view on arrow B of FIG.

FIG. 5 is a partially cutaway side view of an upright electric vacuum cleaner showing second and third embodiments of the present invention.

FIG. 6 is a view on arrow C in FIG.

FIG. 7 is a partially cutaway side view of an upright type electric vacuum cleaner showing fourth to seventh embodiments of the present invention.

FIG. 8 is a view on arrow D of FIG.

FIG. 9 is a sectional view showing a conventional upright electric vacuum cleaner.

FIG. 10 is a perspective view showing a packed state of the upright electric vacuum cleaner.

[Explanation of symbols]

10 floor nozzle 11 rotating brush 12 body 16 Handle 17 Dust chamber lid 28 Handle part tilting axis 29 Rest 30 front roller 31 switch

Claims (7)

(57) [Claims] With a 1. A floor nozzle unit having a built-in rotary brush to the front, the fan motor at the bottom, and a body, each having a dust collecting portion covered with the dust collecting cover the top, the floor nozzle of said body is attached tiltably in part, the locking portion to the body, providing the engaging portion to the floor nozzle unit, before the body
When tilted to a state substantially parallel to the floor nozzle part ,
The locking portion and the at Rukoto which the engaged portion is temporarily engaged match, A <br/> Ppuraito type vacuum cleaner tilting between the body and the floor nozzle unit is fixed. To 2. A co the locked portion of the engaging portion of the body and the floor nozzle unit are engaged, to said floor nozzle unit, movable with claims 1, wherein the bottom is substantially horizontal direction of the body Upright vacuum cleaner. When the bottom of 3. A body is moved in a substantially horizontal direction with respect to floor nozzle unit, the floor nozzle unit up according to claim 2 Symbol mounting upper surface is configured to cover the lower portion of the dust collection chamber lid of Light type vacuum cleaner. 4. The main body until it is substantially parallel to the floor nozzle section.
The upright type electric vacuum cleaner according to any one of claims 1 to 3, wherein a rest for tilting and standing up the main body in that state is provided on the front surface of the floor nozzle portion . 5. When in normal use, contact the floor surface, and
Tilt the floor nozzle to be approximately parallel, and in that state
When the main body is stored upright, a front roller that is a fulcrum and a part of the rest is provided at the lower end of the front of the floor nozzle.
4 Symbol mounting of the upright type electric vacuum cleaner section. 6. The lower part of the main body is moved in a substantially horizontal direction,
The upright type electric vacuum cleaner according to any one of claims 2 to 5, wherein a switch that operates to turn off the power of the main body when the main body is housed inside the floor nozzle is provided on the main body or the floor nozzle. 7. The one end of the handle is tiltably provided on the upper part of the main body, and when the handle part is tilted downward, the top end of the handle part is in contact with the floor surface.
The upright type electric vacuum cleaner according to any one of to 6.