JPH11104047A - Nozzle body of vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a nozzle body of a vacuum cleaner capable of high- efficiency cleaning by diving using a moving-blade turbine a rotary brush body provided with a flexible body on its outer peripheral surface. SOLUTION: A rotary cleaning body 13 in the form of a hollow cylinder provided with a plurality of air ejection holes 25 through its outer peripheral surface and with a flexible body for cleaning a floor face is freely rotationally placed inside a rotary cleaning body chamber 10 formed within a nozzle main body 1, a moving-blade turbine 23 is fixed to the end of the rotary cleaning body, and the part having the moving-blade turbine 23 is exposed to a mechanism chamber partitioned from the rotary cleaning body chamber 10. A plurality of suction holes are arranged in the part of the wall face of the nozzle main body 1 corresponding to the mechanism chamber, and airflow by which air sucked through the suction holes is guided into a drive pipe through the mechanism chamber 10, the moving-blade turbine 23, the inside of the rotary cleaner 13, the air ejection holes 25, the rotary cleaner chamber 10, and a communicating passage is created by an air suction force derived from the drive of a vacuum cleaner main body, and the moving-blade turbine 23 is driven by the airflow to rotate the rotary cleaner to clean a floor face with the flexible body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a suction port of a vacuum cleaner.

[0002]

2. Description of the Related Art As shown in Japanese Patent Application Laid-Open No. 9-28630, a rotary cleaner is rotatably provided at a suction port of a suction body of a conventional vacuum cleaner. A turbine formed by combining first and second turbines each having a quarter-arc shape at both ends is provided coaxially with the rotary cleaning body, and a vent is formed in the upper case or a separately provided cover. There is a structure in which air is supplied to the turbine to drive the rotary cleaning body.

[0003] In addition, Japanese Patent Application Laid-Open No. 9-28631 discloses a structure in which a guide portion for guiding air from the outer periphery into an impeller is provided on the outer periphery of the turbine having the above structure.

[0004]

As described above, the conventional suction opening has a structure in which turbines are provided on both outer sides of the rotary cleaning body. However, since the turbine is composed of a Pelton turbine, the torque of the turbine is reduced. In order to increase the air flow, it is necessary to flow air into the impeller with a predetermined direction from the outer periphery of the turbine impeller and blow it to the impeller by a guide portion extending so as to wind around the impeller along the outer periphery of the impeller. There is.

[0005] Therefore, this configuration has the following disadvantages. (1) A complicated suction port cover is separately required. (2) In order to increase the torque of the turbine, it is necessary to enlarge the outer periphery of the impeller, and the entire suction port body becomes large, resulting in a heavy suction port body. (3) The air that has flowed in from the outer periphery of the impeller is
The direction of 0 degrees is changed, and the efficiency of the turbine is reduced because the gas flows into the rotating brush chamber. (4) Since the air coming out of the impeller flows parallel to the rotary cleaning body, the air does not hit the floor, especially dust entering the interior of the carpet hair.

[0006]

SUMMARY OF THE INVENTION The present invention has been made on the basis of the above-mentioned conventional problems, and the suction port of the vacuum cleaner according to the first aspect of the present invention has a moving blade by suction air. A suction port for a vacuum cleaner having a rotary cleaning body driven by a rotational force of a turbine at a dust suction opening, wherein the rotary cleaning body is hollow, and the hollow portion rotates the bucket turbine. It is characterized by a suction air passage.

According to this structure, the blade turbine is rotated by the air sucked from the suction port of the suction port main body in accordance with the driving of the vacuum cleaner main body, and the rotary cleaning body is driven to rotate by this rotation to thereby lower the floor surface. Can be swept.

As a result, the rotary cleaning body can obtain a large rotation torque by the driving force of the rotor blade turbine, can sweep the floor surface efficiently with the flexible body, and further ejects the air from the blowing port of the rotary cleaning body. Dust and dust adhering to the floor surface can be expediently blown off by the generated air. This is particularly suitable for materials such as carpets, and can provide a suction port of a vacuum cleaner with extremely high usability.

Further, the suction opening of the vacuum cleaner according to the second aspect of the present invention is the suction opening of the vacuum cleaner according to the first aspect, wherein the end of the rotary cleaning body has the moving part. A vane turbine is disposed at a position upstream of the airflow with respect to the vane turbine.

According to this configuration, the direction of the airflow applied to the moving blade turbine by the stationary blade turbine is regulated, and the airflow can be efficiently applied to the moving blade turbine. As a result, the blade turbine can be efficiently rotated by the airflow introduced from the intake port, the torque of the rotary cleaning body can be increased, and the cleaning efficiency of the electric vacuum cleaner can be increased.

According to a third aspect of the present invention, there is provided the vacuum cleaner according to the first aspect of the present invention, wherein: A vane turbine is disposed at a position upstream of the airflow with respect to the vane turbine, and a plurality of pairs of the vane turbine and the vane turbine are provided in the rotary cleaning body. .

According to this configuration, the direction of the airflow applied to the moving blade turbine by the stationary blade turbine can be regulated, and the airflow can be efficiently applied to the moving blade turbine. As a result, the blade turbine can be efficiently rotated by the airflow introduced from the intake port, the torque of the rotary cleaning body can be increased, and the cleaning efficiency of the electric vacuum cleaner can be increased. Moreover, since a pair of the stationary blade turbine and the moving blade turbine are provided in a plurality of stages, the effect can be further enhanced.

According to a fourth aspect of the present invention, there is provided the suction port of the vacuum cleaner according to the first aspect of the present invention, wherein the diameter of both ends of the rotary cleaning element is set to another value. The diameter of the rotor blade is larger than that of the portion, and the rotor blade turbine is provided in the large diameter portion. According to this configuration,
Since the outer diameter of the moving blade turbine can be increased, and the inflow air hits a large blade of the moving blade turbine, a large torque can be obtained.

According to a fifth aspect of the present invention, there is provided a vacuum cleaner according to the fourth aspect of the present invention, wherein the suction port is provided between the large diameter portion and another portion. It is characterized in that a tapered portion whose diameter gradually decreases is provided. If there is a step between the large diameter part and other parts, the inflow air introduced by the rotor blade turbine may collide with the step and a part of the inflow air may not be used effectively. When the tapered portion is provided, the inflow air is effectively used.

According to a sixth aspect of the present invention, there is provided a suction port of a vacuum cleaner according to the fourth or fifth aspect, wherein the suction port of the vacuum cleaner holds the rotor blade turbine. An annular ring is fitted to the diameter portion, and the vane turbine is held inside the annular ring. According to this configuration, at the end of the rotary cleaning body, the stationary blade turbine is on the upstream side of the airflow from the moving blade turbine, and the inflow air hits the moving blade turbine at a substantially right angle,
Efficient.

According to a seventh aspect of the present invention, there is provided a vacuum cleaner according to the first aspect of the present invention, wherein the diameter of the hollow cylindrical body of the rotary cleaning body is the same as that of the first aspect. Is gradually changed over the entire length of the hollow cylindrical body.

According to this configuration, the air introduced into the rotary cleaning body via the rotor blade turbine can be uniformly blown from each of the blowing ports over the entire length of the rotary cleaning body. As a result, the intensity of the air blown out from each of the blowing ports of the rotary cleaning body to the floor is uniform over the entire length of the rotary cleaning body.
The floor surface touched by operating (moving) the suction port body is uniformly cleaned, and can be efficiently cleaned.

The suction opening of the vacuum cleaner according to the present invention is the suction opening of the vacuum cleaner according to the first aspect of the present invention. The length of the blowing port provided on the outer peripheral surface is gradually changed.

According to this configuration, the air introduced into the rotary cleaning body via the rotor blade turbine can be jetted from each of the blowing ports at a uniform force over the entire length of the rotary cleaning body. As a result, since the intensity of the air blown out from each of the blowing ports of the rotary cleaning body to the floor is uniform over the entire length of the rotary cleaning body, the floor surface touched by operating (moving) the suction port body. Are uniformly cleaned and can be efficiently cleaned.

According to a ninth aspect of the present invention, there is provided a vacuum cleaner according to the first aspect of the present invention, wherein the suction port faces the mechanism chamber of the rotary cleaning body. A filter is provided opposite to the protruding end or the upper case or the lower case to prevent dust from entering the rotary cleaning body.

According to this configuration, dust entering the rotary cleaning body through the turbine by the filter,
Block dust. As a result, it is possible to provide a suction opening body that can always expect a stable cleaning effect without having to worry about clogging the blowing port of the rotary cleaning body with dust or dust.

According to a tenth aspect of the present invention, there is provided a suction opening for a vacuum cleaner, wherein the suction opening of the vacuum cleaner according to any one of the fourth to sixth aspects holds a moving blade turbine. An air outflow hole is provided in a connecting portion between the large diameter portion and the small diameter portion.

According to this configuration, most of the air that has entered the rotary cleaning body, particularly the air at the outer peripheral portion, is discharged to the outside of the rotary cleaning body. The blade turbine can be rotated efficiently.

According to the eleventh aspect of the present invention, in the vacuum cleaner of the first aspect, the suction port of the vacuum cleaner is the same as the suction port of the vacuum cleaner in the rotary cleaning chamber. An air guide covering the upper surface of the rotary cleaning member is provided, and the air blown out from the blowing port of the rotary cleaning body is guided to the floor surface.

According to this configuration, most of the air blown out from each of the blowing ports of the rotary cleaning body is not guided to the drive pipe via the direct communication path, but mostly hits the floor surface along the air guide. become. As a result, most of the air blown out from each of the blowing ports of the rotary cleaning body hits the floor surface along the air guide, so that dust and dust on the floor surface can be efficiently flipped off, and more efficient. An inlet for an electric vacuum cleaner can be provided.

According to a twelfth aspect of the present invention, the suction body of the vacuum cleaner has a dust suction opening on the lower surface of the suction body facing the floor, and a suction operation accompanying the driving of the vacuum cleaner body. And guiding the air sucked from the dust suction opening to the drive pipe connected to the suction port main body and the suction pipe connected to the drive pipe through a communication path provided therein to supply the air to the vacuum cleaner main body. , A rotary cleaning body chamber for communicating the dust suction opening with the communication path is formed in the suction port main body, and the rotary cleaning body formed of a hollow cylindrical body is disposed in the rotary cleaning body chamber in a longitudinal direction of the suction port main body. And a rotatable support provided rotatably, and a plurality of air outlets provided on the outer peripheral surface of the rotary cleaning body and a plurality of floor cleaning flexible bodies provided. And of the rotary cleaning body A rotor blade turbine having a large number of blades is fixedly provided so as not to prevent air from flowing into the rotary cleaning body, and a portion provided with the rotor blade turbine is partitioned by the rotary cleaning body chamber and a partition wall. A plurality of suction ports are provided on the wall surface of the suction port body corresponding to the mechanism chamber and corresponding to the mechanism chamber, and the suction force of air based on the driving of the vacuum cleaner body causes the suction port to pass through the dust suction opening. Separately from the first airflow that guides the sucked air to the drive pipe through the rotary cleaning body chamber and the communication path, the air suctioned through the intake port is used to separate the air sucked through the mechanism chamber, the rotor blade turbine, the rotary cleaning body, Forming a second airflow leading to the drive pipe through the mouth, the rotary cleaning body chamber, and the communication path, and driving the rotor blade turbine by the second airflow to rotate the rotary cleaning body; Attached to the circumference Characterized by cleaning the floor at the floor cleaning-body flexible body.

According to this structure, the rotor blade turbine is rotated by the air sucked from the suction port of the suction port main body in accordance with the driving of the vacuum cleaner main body. Can sweep the floor.

As a result, the rotary cleaning body can obtain a large rotating torque by the driving force of the rotor blade turbine, and can sweep the floor surface efficiently with the flexible body, and further ejects the gas from the blowing port of the rotary cleaning body. Dust and dust adhering to the floor surface can be expediently blown off by the generated air. This is particularly suitable for materials such as carpets, and can provide a suction port of a vacuum cleaner with extremely high usability.

[0029]

Embodiments of the present invention will be described below in detail with reference to the drawings.

First Embodiment FIGS. 1 to 10 show a first embodiment of a suction port of a vacuum cleaner according to the present invention.
In these figures, the suction port main body 1 has an outer appearance composed of upper and lower cases 2 and 3, and a rotatable drive pipe 4 is provided at a rear end thereof.
And the suction pipe 5 is connected to the main body of the vacuum cleaner so that the suction pipe 5 is electrically connected to the main body of the vacuum cleaner.

The lower case 3 functions as a carpet sled. The lower case 3 has a horizontally long dust-absorbing opening 6 formed at the front lower surface thereof, and rubber sealing lips are provided at positions before and after the dust-absorbing opening 6. 7a and 7b are arranged in the horizontal direction. These seal lips may be either one of before and after.

The lower case 3 has a front wheel 8 at a front portion and a rear wheel 9 at a rear portion, and the wheels 8 and 9 maintain a constant gap between the lower case 3 and a floor surface. ing. By forming a rotary cleaning body chamber 10 and a communication path 11 for connecting the rotary cleaning body chamber 10 to the drive pipe 4 side by coupling the upper case 2 and the lower case 3 inside the suction port main body 1, A dust suction passage (first airflow) from the dust suction opening 6 to the suction pipe 5 is formed.

Reference numeral 12 denotes a bumper.
3 between the upper and lower cases 2 and 3 and a function of cushioning the suction port main body 1 against obstacles.

Reference numeral 13 denotes a rotary cleaning body, which is a hollow cylindrical body 13a.
As shown in FIG. 8, two flexible members (brush bristles or rubber blades) 14 are spirally implanted 180 ° apart from each other on the outer peripheral surface. The rotary cleaning body 13 has a rotary shaft 15 in the rotary cleaning body chamber 10 and protruding from both ends of the rotary cleaning body, protruding into mechanism chambers 16 and 17, and supported by a bearing 18 in the mechanism chamber. .

The flexible member 14 may be a single member as shown in FIG. The bearing 18 is located in a groove (not shown) of a pair of ribs 19 provided on the lower case 3 side. Partition wall 16 between the rotary cleaning body chamber 10 and the mechanism chambers 16 and 17
The openings a and 17a are provided with insertion openings 16b and 17b through which the end of the rotary cleaning body 13 is inserted, and the rotation of the rotary cleaning body 13 is allowed.

Reference numeral 23 denotes a rotor blade turbine for driving the rotary cleaning body 13, which is fitted to an end of the rotary cleaning body 13. The rotor blade turbine 23 has a bearing 2 at its center.
4 is fixed, and is configured to be rotatable around the rotation shaft 15. Numeral 25 is a fume port provided on the outer peripheral surface of the rotary cleaning body 13, and based on a suction force accompanying driving of the vacuum cleaner main body, an air inlet port 26 provided in the upper case 2 or the lower case 3 is provided. ... Air 2 that has flowed in
7 sucks the gas 7 from the mechanism chambers 16 and 17 through the moving blade turbine 23 of the rotary cleaning body 13 and guides the gas 7 to the communication path 11. That is, this air flow becomes the second air flow in the present invention.

The rotating member constituting the rotating cleaning member 13 may be made of either plastic or metal. When using the suction opening having the above structure, the suction cleaner is connected to a hose and an extension pipe communicating with the vacuum cleaner main body as shown in FIG. 30, and the vacuum cleaner main body is operated. At this time, if the suction port body 1 is placed on the floor, the seal lips 7a and 7b provided before and after the dust suction port 6 of the lower case 3 are in close contact with the floor surface. The external air entering 1 flows in through the air inlets 26 provided in the upper case 2 or the lower case 3 and enters the inside of the rotary cleaning body 13 through the mechanism chambers 16 and 17. The inflow air 27 is supplied to each blade 2 of the bucket turbine 23.
3a,...
3 is rotated around the rotation axis 15.

Since the moving blade turbine 23 is fixed inside the rotary cleaning body 13, the rotating cleaning body 13 provided with the brush 14 on the outer peripheral surface by the rotation of the moving blade turbine 23.
Also rotate. The air 27 that has flowed into the rotary cleaning body 13 is supplied to the blowing port 2 provided on the outer circumference of the rotary cleaning body 13.
.., Flows out of the connecting passage 11, and is guided from the extension pipe to the main body of the vacuum cleaner through the driving pipe 4 and the suction pipe 5.

When the rotary cleaning body 13 provided with the brush 14 is rotated by using the suction port body 1 thus configured, dust on the carpet is splashed off by the blowing ports 25,. Because it is sucked, the cleaning efficiency increases.

Second Embodiment FIGS. 11 to 13 are views showing a second embodiment of a suction opening of a vacuum cleaner according to the present invention. The suction port body of this embodiment has basically the same configuration as the suction port body of the first embodiment, and only the differences will be described here.

The feature of this embodiment is that, as shown in FIG. 11, inside both ends of the rotary cleaning body 13, the stationary blade turbine 28 is provided at a position upstream of the moving blade turbine 23 in the air flow. It is in the point. Stator blade turbine 28
The gap 30 between the blades 29 as shown in FIGS.
The inflow air 27 is introduced from the
It plays the role of blowing the incoming air 27 in a direction substantially orthogonal to 3a.

In the combination of the moving blade turbine 23 and the stationary blade turbine 28 configured as described above, when only the moving blade turbine is used, the angle of the air flowing into the blades of the moving blade turbine 23 is approximately as shown in FIG. Compared with the case where the angle is 45 °, the collision occurs substantially orthogonally, so that the efficiency of the rotor blade turbine 23 can be increased and the torque can be increased.

Third Embodiment FIG. 14 is a view showing a third embodiment of the suction opening of the vacuum cleaner according to the present invention. The suction port body of this embodiment has basically the same configuration as the suction port bodies of the first and second embodiments, and only different points will be described here.

The feature of this embodiment is that, as shown in FIG. 14, a plurality of moving blade turbines 23 and stationary blade turbines 28 according to the second embodiment are provided in multiple stages. When the inflow air 27 that has passed through the blade 28 and the moving blade turbine 23 is introduced into the second stage stationary blade turbine 28 and the moving blade turbine 23, the torque of the rotary cleaning body 13 can be further increased, and the conventional cleaning device can be used. The torque increase of the rotary cleaning body 13 can be improved without increasing the size of the turbine impeller.

Fourth Embodiment FIGS. 15 and 16 show a fourth embodiment of the suction opening of the vacuum cleaner of the present invention. The suction port body of this embodiment has basically the same configuration as the suction port bodies of the first to third embodiments, and as shown in FIG. The diameter is made larger than the other parts, and the bucket turbine 23 is fitted to the turbine holding part 13b formed in this large diameter part.

Therefore, the air 27 taken in from the intake ports 26 provided in the upper and lower cases 2 and 3 hits the blade 23 a having a large outer diameter inside the rotor blade turbine 23,
A large rotating torque can be obtained.

Fifth Embodiment FIG. 17 is a view showing a fifth embodiment of a suction port of a vacuum cleaner according to the present invention. The suction port body of this embodiment has basically the same configuration as the suction port body of the fourth embodiment, and as shown in FIG. The rotor blade 23 is fitted to a turbine holding portion 13b formed in the large diameter portion. Further, in the fifth embodiment, a tapered portion 13c having a gradually decreasing diameter is formed between the large diameter portion 13b and the other portion at both ends of the rotary cleaning body 13.

The problem of the fourth embodiment can be solved by the tapered portion 13c. That is, as in the fourth embodiment, if there is a step between the turbine holding portion 13b and the other portion, only the turbine holding portion 13b is formed. There is a possibility that a part of the inflowing air may not be used effectively due to collision with the step portion.

Sixth Embodiment FIG. 18 is a view showing a sixth embodiment of the suction port of the vacuum cleaner according to the present invention. The suction port body of this embodiment has basically the same configuration as the suction port body of the fifth embodiment, but as shown in the drawing, the turbine holding section of the fifth embodiment. An annular ring 24 is fitted to 13b, and a stationary blade turbine 28 is connected to the inside thereof.

With this configuration, in this embodiment, as in the second embodiment shown in FIG. 11, at both ends of the rotary cleaning body 13, the stationary blade turbine 28 As shown in FIGS. 12 and 13, the stationary blade turbine 28 introduces the inflow air 27 through the gap 30 between the blades 29 and is substantially orthogonal to the blade 23 a of the blade turbine 23. It serves to direct incoming air 27 in the direction.

In the combination of the moving blade turbine 23 and the stationary blade turbine 28 configured as described above, when only the moving blade turbine is used, the angle of the air flowing into the blades of the moving blade turbine 23 is approximately as shown in FIG. Compared with the case where the angle is 45 °, the collision occurs substantially orthogonally, so that the efficiency of the rotor blade turbine 23 can be increased and the torque can be increased. In this embodiment, in particular, the stationary blade turbine 28 can be easily used as a bearing by insert-molding the rotary shaft 15 and a molded product constituting the stationary blade turbine 28.

Seventh Embodiment FIG. 19 is a view showing a seventh embodiment of a suction port of a vacuum cleaner according to the present invention. The suction port body of this embodiment has basically the same configuration as the suction port body of the sixth embodiment, but in this embodiment, the diameter of the hollow cylindrical body 13a of the rotary cleaning body 13 is different. Are formed with a gradually decreasing diameter from both ends to the center.

This can be seen from FIGS. 1 and 2,
A large amount of air is discharged at the center of the hollow cylinder 13a due to the short distance to the center of the communication path 11 of the drive pipe 4 at the center of the hollow cylinder 13a. Since the distance is long at both ends of 13a, the amount of air discharged from the blowing ports 25,... In the vicinity is small, and as a result, a uniform dust absorbing effect is obtained over the entire length of the dust suction opening 6. Absent.

In this embodiment, in consideration of such a problem, the diameter of the hollow cylindrical body 13a is gradually reduced from both ends toward the center as described above, so that the entire length of the rotary cleaning body 13 is reduced. .. Can blow out a more uniform amount of air.

In this embodiment, the stationary blade turbine 2
The boss portion 28a of No. 8 is formed so as to be rounded and the introduced air is applied to the outermost peripheral portion of the blade without being disturbed, so that the rotational torque of the blade can be improved. The shape of the boss 28a may be conical.

Eighth Embodiment FIG. 20 is a view showing an eighth embodiment of the suction opening of the vacuum cleaner according to the present invention. The suction port body of this embodiment has basically the same configuration as the suction port body of the first embodiment. However, in this embodiment, the suction port body is opened in the hollow cylindrical body 13a of the rotary cleaning body 13. Are formed so as to gradually increase in length from both ends to the center of the hollow cylindrical body 13a. In this embodiment, by adopting the above-described configuration, a uniform amount of air can be blown out from each blowing port 25 over the entire length of the rotary cleaning body 13 as in the seventh embodiment. I have.

Ninth Embodiment FIG. 21 is a view showing a ninth embodiment of the suction opening of the vacuum cleaner according to the present invention. The suction port body of this embodiment has basically the same configuration as the suction port body of the first embodiment, but in this embodiment, the boss portion 23a of the rotor blade turbine 23 has Like the boss portion of the vane turbine 28 of the seventh embodiment, it is rounded.

Tenth Embodiment FIG. 22 is a view showing a suction port of a vacuum cleaner according to a tenth embodiment of the present invention. In this embodiment, as shown in the drawing, in the structure of the seventh embodiment, the filter 3 is connected to the air introduction portion 34 on the outer end face of the stationary blade turbine 28.
3 are provided. As shown in FIG. 23, the filter 33 has a concentric arc-shaped slit 33 formed on the plate surface of the disc body.
are formed.

As another embodiment of the filter 33, as shown in FIG. 24, a slit 33a,... The air introduced in the turbine direction impinges on the turbine blades and guides the air to the outer peripheral portion of the stationary blade turbine 28.

Eleventh Embodiment FIG. 25 is a view showing an eleventh embodiment of a suction port of a vacuum cleaner according to the present invention. In this embodiment, in the structure of the fourth embodiment shown in FIG. 16, air outlet holes 13d,... Are provided at a connection portion between the turbine holding portion 13b and the hollow cylindrical body 13a. . FIG. 26 shows a cross-sectional view.

This is because if there is a difference in the inner diameter between the moving blade turbine 23 held by the turbine holding portion 13b and the hollow cylindrical body 13a as in the fourth embodiment, the moving blade turbine 23
The introduced inflow air, particularly the inflow air that has passed through the outer peripheral portion of the rotor blade turbine 23 collides with the wall of the turbine holding portion 13b and becomes a turbulent flow, and enters into the rotary cleaning body 13 from the central portion of the rotor blade turbine 23. This adversely affects the flow of the introduced air.
... The problem of deteriorating the momentum of the discharged air is left.

However, as in the present embodiment, air outflow holes 13d,... Are provided at the connection between the turbine holding portion 13b and the hollow cylindrical body 13a.
d,... most of the air that has entered the rotary cleaning body 13, especially the air at the outer peripheral portion, is discharged out of the rotary cleaning body 13,
Since the amount of air colliding with the wall can be extremely reduced, no turbulence is generated, and the flow of air introduced into the rotary cleaning turbine 13 from the center of the bucket 23 is not adversely affected. As a result, the air is discharged more vigorously from the blast ports 25 of the rotary cleaning turbine 13.

Twelfth Embodiment FIG. 27 is a view showing a twelfth embodiment of the suction opening of the vacuum cleaner of the present invention. In this embodiment, the rotary cleaning body 13 is divided into two at the center of the diameter as shown in FIG.
The two components 13A and 13B are formed, and these two components are formed by a molding method.
The rotor blade turbines 23 are integrally formed.

In the figure, reference numerals 13e and 13f denote bosses for positioning and connecting the two components 13A and 13B. After the components are connected by these bosses, they are fixed with screws (not shown).

Thirteenth Embodiment FIG. 28 is a view showing a thirteenth embodiment of the suction opening of the vacuum cleaner of the present invention. As is apparent from this figure, in this embodiment, an air guide 20 is provided in the suction port main body 1. This air guide 20 is formed by molding a synthetic resin material such as plastics.
As shown in FIG. 5, the main body portion 20a has a back gutter-like shape, and a mounting portion 20b extending upward from the rear edge of the main body portion 20a. The main body portion 20a is disposed so as to cover the upper surface of the rotary cleaning body 13 with the portion 20a. The front edge of the main body portion 20a is fitted to the support rib 3a formed on the lower case 3, and the upper end edge of the mounting portion 20b is connected to the upper case 2. Is fixed by being fitted to the support rib 2a formed at the bottom.

By providing the air guide 20 as described above, the front, upper, and rear portions of the outer periphery of the rotary cleaning body 13 are partially covered with the air guide 20, and the blast ports 25,. ... Because the air blown out is not guided directly to the drive pipe 4 but once hits the floor substantially perpendicularly,
More garbage emerges from the carpet, which makes cleaning more efficient.

In the above-described embodiment, as shown in FIGS. 6, 11, 14, 16, 17 to 22, and 25,
The rotor blade turbine 23 is provided in a hollow portion of the rotary cleaning body 13. In this case, the whole structure can be made compact as compared with the case where the rotor blade turbine 23 is disposed outside the rotary cleaning body 13.

[0068]

According to the present invention, the suction port of the vacuum cleaner according to the first aspect of the present invention is driven by the rotating force of the moving blade turbine by suction air. In a suction port for a vacuum cleaner provided with a cleaning body in a dust suction opening, the rotary cleaning body is hollow, and the hollow portion is a suction air passage for rotating the blade turbine.

According to the present invention, the blade turbine is rotated by the air sucked from the suction port of the suction port main body in accordance with the driving of the vacuum cleaner main body. Since it is possible to sweep and it is not necessary to separately provide a suction air passage for rotating the bucket turbine, the structure becomes simple.

The suction opening of the vacuum cleaner according to the second aspect of the present invention is the suction opening of the vacuum cleaner according to the first aspect of the present invention, wherein the end of the rotary cleaning body has This is a configuration in which a stationary blade turbine is disposed at a position upstream of the airflow with respect to the blade turbine.

According to the present invention, the direction of the airflow applied to the moving blade turbine by the stationary blade turbine can be regulated, and the airflow can be efficiently applied to the moving blade turbine. It can be rotated efficiently by the flow, the torque of the rotary cleaning body can be increased, and the cleaning efficiency of the vacuum cleaner can be increased.

Further, the suction opening of the vacuum cleaner according to the third aspect of the present invention is the suction opening of the vacuum cleaner according to the first aspect, wherein the suction opening at the end of the rotary cleaning body is the same as the suction opening. A stationary blade turbine is arranged at a position upstream of the airflow with respect to the moving blade turbine, and a plurality of pairs of the rotating blade turbine and the stationary blade turbine are provided in the rotary cleaning body.

According to the present invention, since the direction of the airflow applied to the moving blade turbine is regulated by the stationary blade turbine, and the airflow can be efficiently applied to the moving blade turbine, the moving blade turbine is introduced from the intake port. The rotating air cleaner can efficiently rotate the rotating air cleaner, increase the torque of the rotating cleaning body, and increase the cleaning efficiency of the vacuum cleaner. Moreover, since a pair of the stationary blade turbine and the moving blade turbine are provided in a plurality of stages, the effect can be further enhanced.

According to a fourth aspect of the present invention, there is provided the suction port of the vacuum cleaner according to the first aspect of the present invention, wherein the diameter of both ends of the rotary cleaning member is set to another value. The diameter of the rotor blade is larger than that of the portion, and the rotor blade turbine is provided in the large diameter portion. According to this configuration,
Since the outer diameter of the moving blade turbine can be increased, and the inflow air hits a large blade of the moving blade turbine, a large torque can be obtained.

According to a fifth aspect of the present invention, there is provided a vacuum cleaner according to the first aspect of the present invention, wherein the suction port is provided between the large-diameter portion and another portion. It is characterized in that a tapered portion whose diameter gradually decreases is provided. If there is a step between the large diameter part and other parts, the inflow air introduced by the rotor blade turbine may collide with the step and a part of the inflow air may not be used effectively. When the tapered portion is provided, the inflow air is effectively used.

According to a sixth aspect of the present invention, there is provided a vacuum cleaner according to the fourth or fifth aspect of the present invention, wherein the suction port of the vacuum cleaner holds the rotor blade turbine. An annular ring is fitted to the diameter portion, and the vane turbine is held inside the annular ring. According to this configuration, at the end of the rotary cleaning body, the stationary blade turbine is on the upstream side of the airflow from the moving blade turbine, and the inflow air hits the moving blade turbine at a substantially right angle,
Efficient.

According to a seventh aspect of the present invention, there is provided the vacuum cleaner of the first aspect, wherein the diameter of the hollow cylindrical body of the rotary cleaning body is the same as that of the first aspect. Is gradually changed over the entire length of the hollow cylindrical body.

According to the present invention, the air introduced into the rotary cleaning body via the rotor blade turbine can be uniformly blown out of each of the blowing ports over the entire length of the rotary cleaning body. Since the intensity of the air blown out from each of the blowing ports to the floor surface is uniform over the entire length of the rotary cleaning body, the floor surface to be touched by operating (moving) the suction port body is uniformly cleaned. , Can be efficiently cleaned.

According to a further aspect of the present invention, there is provided the vacuum cleaner of the invention, wherein the suction port of the rotary cleaner is provided at the outer periphery of the hollow cylindrical body of the rotary cleaner. This is a configuration in which the length of the blowing port provided on the surface is gradually changed.

According to the present invention, the air introduced into the rotary cleaning body via the rotor blade turbine can be blown out from each of the blowing ports with equal force over the entire length of the rotary cleaning body. Since the intensity of the air blown out to the floor from each of the blowing ports of the cleaning body is uniform over the entire length of the rotating cleaning body,
The floor surface touched by operating (moving) the suction port body is uniformly cleaned, and can be efficiently cleaned.

According to a ninth aspect of the present invention, in the vacuum cleaner of the first aspect, the suction port of the vacuum cleaner faces the mechanism chamber of the rotary cleaning body. The filter is provided with a filter for preventing intrusion of dust into the rotary cleaning body, facing the protruding end or the upper case or the lower case.

According to the present invention, the filter can prevent dirt and dust from entering the rotary cleaning body through the turbine, so that there is no fear that the blowing port of the rotary cleaning body is clogged with dirt or dust. Thus, it is possible to provide a suction opening body that can always expect a stable cleaning effect.

According to a tenth aspect of the present invention, there is provided a vacuum cleaner according to any one of the fourth to sixth aspects, wherein the suction port of the vacuum cleaner has a rotor blade turbine. An air outflow hole is provided at a connecting portion between the diameter portion and the small diameter portion.

According to this configuration, most of the air that has entered the rotary cleaning body, particularly the air at the outer peripheral portion, is released to the outside of the rotary cleaning body. The blade turbine can be rotated efficiently.

According to the eleventh aspect of the present invention, in the vacuum cleaner of the first aspect, the suction port of the vacuum cleaner is the same as the suction port of the vacuum cleaner in the rotary cleaning chamber. An air guide covering the upper surface of the rotary cleaning member is provided to guide the air blown out from the blowing port of the rotary cleaning body to the floor surface.

According to the present invention, most of the air blown out from each of the blowing ports of the rotary cleaning body is not guided to the drive pipe via the direct communication path, but mostly hits the floor surface along the air guide. become. As a result, most of the air blown out from each of the blowing ports of the rotary cleaning body hits the floor surface along the air guide, so that dust and dust on the floor surface can be efficiently flipped off, and more efficient. An inlet for an electric vacuum cleaner can be provided.

The suction opening of the vacuum cleaner according to the twelfth aspect of the present invention is provided with a dust suction opening on the lower surface of the suction opening main body facing the floor surface, based on a suction operation accompanying the driving of the vacuum cleaner main body. And guiding the air suctioned from the dust suction opening to a drive pipe connected to the suction port body and a suction pipe connected to the drive pipe via a communication path provided therein, and supplying the air to the vacuum cleaner body. A rotary cleaning body chamber for communicating the dust suction opening with the communication path is formed in the suction port main body, and a rotary cleaning body formed of a hollow cylindrical body is provided in the rotary cleaning body chamber so that the longitudinal direction of the rotary cleaning body is such that the suction port main body advances. The rotating cleaning body is disposed so as to be orthogonal to the direction and rotatably supported, and a plurality of blowing ports are provided on the outer peripheral surface of the rotary cleaning body, and a plurality of floor cleaning bodies are provided, and End of the rotating cleaning body A rotating blade turbine having a large number of blades is fixedly provided so as not to prevent air from flowing into the rotating cleaning body, and a portion provided with the rotating blade turbine is separated from the rotating cleaning body chamber and a mechanism chamber by a partition wall. And a plurality of suction ports are provided on the wall surface of the suction port body corresponding to the mechanism chamber, and suction is performed through the dust suction opening by a suction force of air based on driving of the vacuum cleaner body. Separately from the first airflow that guides air to the drive pipe through the rotary cleaning body chamber and the communication path, the air sucked through the intake port is used to extract the air that has been sucked through the mechanism chamber, the rotor blade turbine, the rotary cleaning body, Forming a second air flow that is guided to the drive pipe through the rotary cleaning body chamber and the communication path, and drives the rotor blade turbine by the second air flow to rotate the rotary cleaning body; Attached to A configuration which is adapted to clean the floor by floor cleaning-body flexible body.

According to the present invention, the blade turbine is rotated by the air sucked from the suction port of the suction port main body in accordance with the driving of the vacuum cleaner main body, and the rotary cleaning body is rotationally driven by the rotation, thereby the flexible body is rotated. The cleaning surface sweeps the floor surface and enters the rotary cleaning body through the rotor blade turbine, and the air blown out from the blast nozzle blows out dust attached to the floor surface. The rotating torque can be moved, the floor can be efficiently swept by the flexible body, and furthermore, dust and dust adhering to the floor can be conveniently removed by the air blown out from the blowing port of the rotating cleaning body. You can skip it. This is particularly suitable for materials such as carpets, and can provide a suction port of a vacuum cleaner with extremely high usability.

According to a thirteenth aspect of the present invention, there is provided the suction port of the vacuum cleaner according to the first aspect, wherein the moving blade turbine is provided in the hollow portion. It is. ADVANTAGE OF THE INVENTION According to this invention, it becomes compact structure compared with the thing which arranges a rotor blade turbine outside a rotary cleaning body.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing a suction port of a vacuum cleaner according to a first embodiment of the present invention.

FIG. 2 is a top cross-sectional view of a suction port body of the electric vacuum cleaner.

FIG. 3 is a side view of a suction port body of the electric vacuum cleaner.

FIG. 4 is a top view of a suction port body of the electric vacuum cleaner.

FIG. 5 is a bottom view of the suction port of the electric vacuum cleaner.

FIG. 6 is a cross-sectional view of a rotary cleaning body in a suction port body of the electric vacuum cleaner.

FIG. 7 is a front view of a rotary cleaning body in a suction port body of the electric vacuum cleaner.

FIG. 8 is a cross-sectional view of the rotary cleaning body shown in FIG. 6 cut along an arrow II.

FIG. 9 is a cross-sectional view of the rotary cleaning body shown in FIG. 6 cut along arrow II-II.

FIG. 10 is a view showing blades of a moving blade turbine in an inlet of the electric vacuum cleaner and an airflow impinging thereon.

FIG. 11 is a cross-sectional view of a rotary cleaning body in a suction port body of a vacuum cleaner according to a second embodiment of the present invention.

FIG. 12 is a side view showing a configuration of a stationary blade turbine in a suction port body of the electric vacuum cleaner according to the second embodiment.

FIG. 13 is a diagram provided for explaining an airflow between the moving blade turbine and the stationary blade turbine in the suction opening of the vacuum cleaner according to the second embodiment.

FIG. 14 is a cross-sectional view of a rotary cleaning body in a suction port body of a vacuum cleaner according to a third embodiment of the present invention.

FIG. 15 is a top cross-sectional view of a suction port of a vacuum cleaner according to a fourth embodiment of the present invention.

FIG. 16 is a sectional view of a rotary cleaning body in a suction port body of the electric vacuum cleaner according to the fourth embodiment.

FIG. 17 is a cross-sectional view of a rotary cleaning body in a suction port body of a vacuum cleaner according to a fifth embodiment of the present invention.

FIG. 18 is a cross-sectional view of a rotary cleaning body in a suction port body of a vacuum cleaner according to a sixth embodiment of the present invention.

FIG. 19 is a sectional view of a rotary cleaning body in a suction port body of a vacuum cleaner according to a seventh embodiment of the present invention.

FIG. 20 is a cross-sectional view of a rotary cleaning body in a suction port body of a vacuum cleaner according to an eighth embodiment of the present invention.

FIG. 21 is a sectional view of a rotary cleaning body in a suction port body of a vacuum cleaner according to a ninth embodiment of the present invention.

FIG. 22 is a cross-sectional view of a rotary cleaning body in a suction port body of a vacuum cleaner according to a tenth embodiment of the present invention.

FIG. 23 is a diagram showing a filter in the suction opening of the vacuum cleaner according to the tenth embodiment.

FIG. 24 is a diagram showing another example of the above filter.

FIG. 25 is a sectional view of a rotary cleaning body in a suction port body of a vacuum cleaner according to an eleventh embodiment of the present invention.

FIG. 26 is a cross-sectional view of the rotary cleaning body of FIG. 25, which is cut by arrows II.

FIG. 27 is a diagram showing a state in which a rotary cleaning body in a suction opening body of a vacuum cleaner according to a twelfth embodiment of the present invention is divided into two parts.

FIG. 28 is a sectional view of a rotary cleaning body in a suction port body of a vacuum cleaner according to a thirteenth embodiment of the present invention.

FIG. 29 is a perspective view showing an air guide in a suction port body of the vacuum cleaner according to the thirteenth embodiment.

FIG. 30 is a diagram showing the appearance of a general vacuum cleaner.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Inlet main body 2 Upper case 3 Lower case 4 Drive pipe 6 Dust suction opening 10 Rotary cleaning body room 13 Rotary cleaning body 14 Flexible body 16 Mechanism room 20 Air guide 23 Moving blade turbine 25 Spray port 26 Inlet port 28 Static blade turbine 33 Filter

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Teruhisa Inoue 22-22, Nagaikecho, Abeno-ku, Osaka-shi, Osaka Inside (72) Inventor Kei Ota 22-22, Nagaikecho, Abeno-ku, Osaka-shi, Osaka Inside the corporation

Claims (13)

[Claims] 1. A suction port for a vacuum cleaner comprising a rotary cleaning body driven by a rotating force of a moving blade turbine by suction air at a dust suction opening, wherein the rotary cleaning body is hollow, and the hollow portion is formed by the hollow section. A suction port body for a vacuum cleaner, wherein a suction air path for rotating a moving blade turbine is provided. 2. The electric device according to claim 1, wherein a stationary blade turbine is disposed at an end of the rotary cleaning body at a position upstream of the airflow with respect to the moving blade turbine. Vacuum cleaner suction body. 3. A vane turbine is disposed at an end of the rotary cleaning body at a position upstream of the airflow with respect to the bucket turbine, and a pair of the vane turbine and the vane turbine is rotated by the rotating blade. The suction body of the vacuum cleaner according to claim 1, wherein a plurality of stages are provided in the cleaning body. 4. The vacuum cleaner according to claim 1, wherein the diameter of both end portions of the rotary cleaning body is larger than other portions, and the rotor blade turbine is provided in the large diameter portion. Suction body. 5. The suction port body for a vacuum cleaner according to claim 4, wherein a tapered portion having a diameter gradually reduced is provided between the large diameter portion and another portion at the end portion. 6. The electric device according to claim 4, wherein an annular ring is fitted to a large-diameter portion holding the moving blade turbine, and a stationary blade turbine is held inside the annular ring. Vacuum cleaner suction body. 7. The suction port of a vacuum cleaner according to claim 1, wherein the diameter of the hollow cylindrical body of the rotary cleaning body is gradually changed over the entire length of the hollow cylindrical body. . 8. The suction port body for an electric vacuum cleaner according to claim 1, wherein the length of the blowing port provided on the outer peripheral surface of the hollow cylindrical body of the rotary cleaning body is gradually changed. 9. A filter for preventing intrusion of dust into the rotary cleaning body opposite to an end of the rotary cleaning body facing the mechanism chamber or an upper case or a lower case. A suction port body for the vacuum cleaner according to claim 1. 10. A vacuum cleaner according to claim 4, wherein an air outflow hole is provided at a connecting portion between the large-diameter portion and the small-diameter portion for holding the rotor blade turbine. Mouth. 11. An air guide that covers an upper surface of the rotary cleaning body in the rotary cleaning body chamber, and guides air blown out from a blowing port of the rotary cleaning body to a floor surface. A suction port body for the vacuum cleaner according to claim 1. 12. A communication path having a dust suction opening on a lower surface of a suction port main body facing a floor surface, and provided therein air sucked from the dust suction opening based on a suction operation accompanying driving of the vacuum cleaner main body. A suction pipe connected to the suction pipe main body and a suction pipe connected to the driving pipe through the suction pipe, and supplying the suction pipe with the dust suction opening and the communication path in the suction port main body. A rotary cleaning body chamber to be formed is formed, and a rotary cleaning body formed of a hollow cylindrical body is disposed in the rotary cleaning body chamber so that its longitudinal direction is orthogonal to the traveling direction of the suction port main body and rotatably supported and provided. ,
In addition, a plurality of spouts are provided on the outer peripheral surface of the rotating cleaning body, a plurality of flexible members for cleaning the floor surface are provided, and the inflow of air into the rotating cleaning body is provided at an end of the rotating cleaning body. A rotating blade turbine having a large number of blades is fixedly provided so as not to block, and a portion provided with the rotating blade turbine is exposed to a mechanism room partitioned by the rotary cleaning body chamber and a partition wall,
In addition, a plurality of suction ports are provided on a wall surface of the suction port body corresponding to the mechanism chamber, and the air suctioned through the dust suction opening by the suction force of the air based on the driving of the vacuum cleaner body is used for the rotary cleaning. Separately from the first airflow guided to the drive pipe through the body chamber and the communication path, air sucked through the intake port is supplied to the mechanism chamber, the rotor blade turbine, the rotary cleaning body, the blast port, the rotary cleaning body chamber, and the like. Forming a second airflow leading to the drive pipe through the communication path, driving the rotor blade turbine with the second airflow to rotate the rotary cleaning body, and mounting the floor mounted on the outer periphery of the rotary cleaning body; An inlet for an electric vacuum cleaner, wherein a floor surface is cleaned by a surface cleaning body flexible body. 13. The suction port for a vacuum cleaner according to claim 1, wherein the blade turbine is provided in the hollow portion.