JPS61280824A - Electric cleaner - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a vacuum cleaner for general household use.

Conventional technology The structure of a conventional vacuum cleaner is shown in FIGS. 7 to 1o.

1 is a vacuum cleaner main body (hereinafter referred to as the main body), and a fan motor 2 is built therein. Also, fan motor 2
It has a dust collection chamber 3 in front of it, and a paper bag 4 for filtration is attached thereto. This dust collection chamber 3 is opened and closed by a lid 5, and the upper part of the fan motor 2 is closed by a main body cover 6.

7 is a handle provided in front of the main body 1, and below it is an intake port 10 into which a hose 8 is inserted via a hose insertion tool 9.
is the provision. In addition, a roller 1 is provided at the lower rear of the main body 1.
Caster rollers 12 that can rotate 360 degrees are provided at the lower front of the main body 1, allowing the main body 1 to move. Here, 13 is the center of gravity when all parts of the main body 1 are included.

Problems to be Solved by the Invention However, with such a structure, when the main body 1 is rotated by pulling the hose 8 as shown in FIG. 9 Rotate using the distance R to the tip as a radius. Here, it is longer than this Rfi main body 1, and even if the main body 1 is designed to be small, the rotation radius of the main body 1 when the hose 8 is swung will be very large. Therefore, when used at home,
There was a problem in that they often collided with furniture, etc., causing damage to the furniture.

Also, when cleaning narrow spaces, the main body 1 is tilted to reduce the turning radius to improve rotation, or when cleaning upper areas such as on shelves, as shown in Figure 9. An attempt is made to tilt the main body 1 by pulling the hose 8 upward, but since the center of gravity 13 of the main body 1 is in front of the roller 11, the main body 1 tends to fall back to its original position. Therefore, the rotatability of the main body 1 is poor, and a strong force acts on the hose 8, causing damage to it.

Furthermore, as shown in FIG. 10, if the hose 8 is pulled further upward, the center of gravity 13 will move behind the rollers 11, and the main body 1 will be in an upright state. That is, the main body 1 did not move as intended by the user, making cleaning very inconvenient.

As mentioned above, conventional vacuum cleaners have a major drawback in that they are very difficult to clean in narrow spaces where furniture is arranged.

The present invention solves these conventional problems and greatly improves the usability of the vacuum cleaner.

Means for solving the problems and the technical means of the present invention to solve the above problems are as follows: The rear surface of the main body is made oblique, and the front surface of the main body is formed so as to be substantially parallel to that surface. , and an intake port for inserting a hose is provided on the front side.

action The effect of this technical means is as follows.

That is, when the main body of the vacuum cleaner is turned diagonally upward by pulling the hose upward or by holding the handle, the main body becomes stable as it is supported by the rear slope. Therefore,
The main body can be rotated at an angle. Therefore, the projected length on the floor from the hose insertion part at the front of the main body to the rearmost part of the main body is short, and the turning radius of the main body in that state is significantly reduced.

Embodiments Hereinafter, embodiments of the present invention will be described based on the accompanying drawings. In FIGS. 1 to 5, 21 is a vacuum cleaner main body (hereinafter referred to as the main body), and a fan motor 22 is built inside the vacuum cleaner main body. Further, a dust collection chamber 23 is provided in front of the fan motor 22, and a filter paper bag 24 is attached thereto. This dust collection chamber 23 is opened and closed by a lid 25, and the upper part of the fan motor 22 is closed by a main body cover 26. 2
7 is a handle provided in front of the main body 21. Main body-2
There is a roller 28 at the rear lower part of 1, and a 36 o roller at the front lower part.
Caster rollers 29 that can rotate 0 are provided respectively. Reference numeral 30 denotes a rear slope inclined upwardly behind the roller 28, and a rear caster roller 31 that can rotate 360 degrees is also provided near the uppermost end of the slope. Further above it is an exhaust port 32. It has a rest 33.

Further, a front slope 34 that is substantially parallel to the rear slope 30 is formed above the handle 27, and an intake port 37 into which a hose 36 is inserted via a hose insertion tool 36.
is the provision. Here, the hose insert 36 is structured to rotate 36° as shown by the arrow. Also,
38 is the center of gravity when all the parts mounted on the main body 21 are included.

The above is the structure, but as shown in Figure 4, the rear slope 3o
Either pull the hose 35 upward so that the bottom surface is
When the handle 27 is lifted, the main body 21 stands obliquely due to the rollers 28 and rear caster rollers 31. At this time, the center of gravity 38 is located between the roller 28 and the rear caster roller 31 as shown by the arrow, so that the main body 21 can maintain a stable state. Therefore, if the main body 21 is turned in this state, it can be rotated as shown by the arrow. This is because the rear caster roller 31 rotates approximately around the grounding point of the roller 28.

Furthermore, since the hose insertion port 3θ provided on the front slope 34 rotates, the hose 36 also rotates through 360° as shown by the arrow.
Rotate. In other words, when the main body 21 is tilted, it rotates 360°.
Since the hose 35 also rotates 360 degrees instead of the rotating υ, it is very easy to use. This is when the distance from the hose insertion port 36 to the tip of the rest 33 at the rearmost part of the main body 21 when projected onto the floor is in contact with the ground by the rollers 28 and caster rollers 29 as shown in FIG. This is because it is much shorter than , so it is very stiff. That is, the cleaner main body 21 can be easily moved in a narrow space where furniture and the like are arranged, and damage to the furniture and the like is greatly reduced.

Furthermore, since the outlet of the hose 36 is located at a higher position than in the past, cleaning of high places such as shelves and ceilings becomes easier.

Also, in the state shown in Fig. 4, pull the hose 35 to remove the main body 21.
Of course, it is possible to move the main body 21, but in this state, the rollers 28 allow the main body 21 to be easily climbed over high thresholds, and there is no need to lift the main body 21 by holding the handle 27 each time.

Furthermore, as shown in FIG.
1 and the rest 33, the main body 21 can be in a substantially upright state. At this time, the center of gravity 37 is between the rear caster roller 31 and the rest 33, so it is possible to maintain a stable condition.In this case, the outlet of the hose 35 is higher, so This makes cleaning easier.

Further, according to this configuration, the distance between the roller 28 and the caster roller 29 is smaller than that of the conventional one, that is, the distance between the tip of the hose insert 36 and the roller 29 is smaller than that of the conventional one.
Since the distance between the main body 21 and the main body 21 is shortened, the turning radius is small even in the normal state (FIG. 2), and the main body 21 can be rotated easily.

Further, according to the present invention, the air flow is smoother than when the rotating hose insertion port 36 is provided on the top surface of the main body 21, the pressure loss is small, and a decrease in the performance of the vacuum cleaner itself can be avoided. It is.

Next, FIG. 6 shows another embodiment, in which the front slope 3o
Although the hose plug 36 attached to the holder does not rotate, the main body 21 remains stable in an inclined position, so the turning radius is small, similar to the above embodiment, making it difficult to rotate in narrow spaces. It is something to listen to. Further, since the hose plug 36 faces straight upward, it is easy to clean high places such as ceilings.

As described above, the turning radius becomes smaller in a stable state, which not only greatly improves maneuverability but also makes it easier to clean high places.

Effects of the Invention As described above, the present invention provides a rear slope on the rear surface of the main body, and also forms a front slope substantially parallel to the slope on the rear surface on the front surface of the main body, and provides an intake port for inserting a hose on the front slope. By doing so, under normal use, the main body is tilted in a V-erect position with an odd bend. This allows for easy maneuvering in narrow spaces. In other words, it is effective in not damaging furniture and the like.

Furthermore, since the outlet of the hose is located at a high position, high places such as ceilings can be easily cleaned.

Moreover, it can easily climb over high places such as thresholds.

[Brief explanation of drawings]

Fig. 1 is a front perspective view showing an embodiment of the present invention, Fig. 2 is a sectional view, Fig. 3 is a rear perspective view, Fig. 4 is a sectional view when standing diagonally, and Fig. 5 is a sectional view when standing upright. FIG. 6 is a side view showing another embodiment of the present invention, FIG. 7 is a partial sectional view showing a conventional vacuum cleaner, FIG. 8 is a plan view, FIG. 1
Figure 0 is a partial sectional view when it is stood diagonally. 21...Vacuum cleaner body, 22...Fan motor, 23...Dust collection chamber, 28...Roller,
30... Rear slope, 31... Rear caster roller, 33... Rest, 34...
Front slope, 35...Hose, 37...Intake port, 38...Center of gravity. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 3
Figure 3θ Figure 4 Figure 5 Figure 6

Claims (3)

[Claims] (1) A vacuum cleaner body with a fan motor, a dust collection chamber, etc. inside, a roller arranged at the rear of the bottom of the vacuum cleaner body, a rear slope formed behind the roller of the vacuum cleaner body, and the same cleaning device. An electric vacuum cleaner that is provided with a front slope formed at the front upper part of the main body and has an intake port for inserting a hose so that the center of gravity of the vacuum cleaner body faces the rear slope when the rear slope is in the direction of ground contact. Machine. (2) The vacuum cleaner according to claim 1, wherein caster rollers rotatable through 360 degrees are provided on the upper part of the rear slope. (3) A vacuum cleaner according to claim 2, further comprising a rest part above the caster rollers so that the main body is stabilized in an approximately upright state after the main body is rotated upward using the caster rollers as a rotation axis. .