JP2833528B2 - Suction body of vacuum cleaner and vacuum cleaner having the same - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used for a vacuum cleaner.
Suction body and a vacuum cleaner provided with the suction body
You.

[0002]

2. Description of the Related Art A conventional vacuum cleaner includes a power brush for rotating a cleaning body by a small motor provided inside the suction body, and an air turbine provided inside the suction body. Accordingly, a turbine brush for rotating a cleaning body has been put to practical use.

[0003] The power brush has a problem that the small motor is heavy and the motor of the power brush does not stop when an infant accidentally inserts a finger into the rotary cleaning body, thereby damaging the finger. Recently, a mouthpiece using a turbine brush has been used.

[0004]

However, in the suction body using the air turbine, the rotation transmission between the air turbine and the rotary cleaning body is performed by using a belt, which causes a problem that the suction body itself becomes large. However, the required number of rotations of the turbine when the suction body is brought into close contact with the cleaning surface and when the suction body is lifted up have characteristics opposite to each other, which is not preferable.

[0005] In particular, the latter problem has a contradictory problem that when the rotation speed of the air turbine is increased to improve the cleaning function of the suction body, a loud noise is generated when the suction body is lifted.

An object of the present invention, as well as reducing the size of the suction body using air turbine, the suction body of the electric vacuum cleaner to prevent noise generated when lifting the suction body,及
An object of the present invention is to provide a vacuum cleaner having a mouthpiece .

[0007]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention is characterized by a suction main body having a suction port on a lower surface, and a rotary cleaning member disposed at the suction port of the suction main body. , not covered the top of the suction port body, and wearing suction port main body
A suction port cover that is detachably disposed , and at least one tab that is located on the same axis as the rotation axis of the rotary cleaning element and that is located outside the rotary cleaning element and that drives the rotary cleaning element;
Includes a turbine, and a mouthpiece fitting having a suction passage which is disposed in the suction port Body, arranged an inlet for introducing the air for rotating the turbine to the inlet cover, the suction port cover The multi-blade nozzle for inflowing the air flowing from the intake port into the turbine is disposed on the back surface of the turbine . Further, the features of the present invention are a suction body formed by arranging an upper case in a lower case having a suction port on a lower surface, and a rotary cleaning body provided in a suction port of the suction body, It has covered the upper portion of the rotary cleaning body and the suction port main body
A suction port cover that is detachably disposed, and is located outside the rotary cleaning body on the same axis as the rotation axis of the rotary cleaning body;
And at least one for driving the rotary cleaning body
Distribution and the turbine, said and a mouthpiece fitting having disposed a suction passage to suction the body, an inlet for introducing the air for rotating the turbine in at least one of the upper case or the suction port cover A multi-blade nozzle is provided on a back surface of the suction port cover to allow air flowing from the suction port to flow into the turbine .

[0008]

According to this structure, since the rotary cleaning body can be directly driven by the turbine, the size of the suction body can be reduced and the rotation noise can be reduced.

[0009]

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

FIG. 14 is a perspective view showing the external appearance of a vacuum cleaner according to one embodiment of the present invention. Reference numeral 201 denotes a vacuum cleaner main body in which a control circuit, an electric blower, and the like are built, and 202 denotes a vacuum cleaner main body. The hose connected to the suction port, 203 is a hose hand that is gripped by the user and connects the hose to one end, 204 is an extension tube connected to the other end of the hose hand 203, and 205 is an extension tube 204. Connected mouthpiece, 20
6 is a switch operation unit provided on the hose hand unit 203,
Reference numeral 207 denotes a first infrared light emitting portion provided on the hose hand portion 703, 208 denotes a second infrared light emitting portion provided on the hose hand portion 203, and 209 denotes an infrared light receiving portion provided on the upper surface of the cleaner main body 201. There is a ceiling 210 in the room.

Next, the operation of the electric vacuum cleaner according to the present invention will be described.
When one of the switch operation units 206 provided in the first unit is pressed, a signal code corresponding to the pressed switch is converted into an infrared signal as the first infrared light emitting unit 207 and the second infrared light emitting unit 20.
Emitted from 8.

The first infrared light emitting section 207 is disposed so as to face substantially vertically upward in a normal use state, and an infrared signal radiated from the first infrared light emitting section 207 is transmitted to a ceiling or a wall of a room. The light is reflected and reaches the infrared light receiving unit 209 of the cleaner body 201.

Further, the second infrared light emitting section 208 is disposed on the grip end of the hose hand portion so as to face downward from substantially horizontal, and the infrared signal emitted from the second infrared light emitting section 208 is It directly reaches the infrared light receiving unit 209 of the cleaner main body 201. The infrared signal that has reached the infrared light receiving unit 209 controls the vacuum cleaner via a control circuit built in the cleaner main body 201.

As described above, the vacuum cleaner according to this embodiment transmits the operation information input by the user to the cleaner main body 201 using an infrared signal to control the vacuum cleaner. Since a power supply line is not used for the hose 202, the weight of the hose can be reduced.

The mouthpiece used in such a vacuum cleaner is
A type in which a cleaning body is rotated by using a turbine rotated by a suction airflow of an electric blower as a driving source is mainly used.

This embodiment relates to the improvement of such a mouthpiece. FIG. 1 shows a mouthpiece 2 according to an embodiment of the present invention.
2, FIG. 2 is a sectional view taken along the line AOA of FIG. 1, FIG. 3 is a top view of the suction body 205 with the suction port cover 106 removed, and FIG. 4 is a rear view of the suction body 205 in FIG. FIG. 5 is a top view of the mouthpiece 205, and FIG.
FIG.

In FIG. 1 to FIG. 6, a suction body 101 serving as a skeleton of a suction body 205 is divided into upper and lower parts at a substantially central height position, and a lower case 102 forming an outer shell is formed.
And an upper case 103 disposed at the upper rear of the lower case 102.

A shock absorbing bumper 104 is attached to the outer periphery of the position where the lower case 102 and the upper case 103 come into contact with each other to maintain airtightness and prevent damage to furniture and the like.

At the upper front of the suction body 101, a suction cover 106 for covering the rotary cleaning body 115 is detachably provided.

A casing 107 is provided at the rear end of the suction main body 101 so as to be rotatable up and down, and a rotatable suction joint 108 is connected to the front end thereof.

In the lower case 102, as shown in FIG.
A pair of front wheels 109 and a pair of rear wheels 110 so as to move the entire suction body 205 in the front-rear direction and maintain a constant distance between the lower surface of the suction body 205 and the cleaning surface, and a cleaning surface during use of the cleaner. Roller 111 for receiving the pressure with respect to.

In addition, before and after the lower case 102, a suction port 1 is provided.
Pressure control plates 112 and 113 for holding the suction pressure in
Are arranged.

Here, the front wheel 109 and the rear wheel 110 are arranged at positions facing each other.

A pair of opening / closing levers 114 that slide in the lateral direction are provided inside the suction port cover 106, and can be detached from the lower case 102 and the upper case 103 by operating these levers.

Inside the mouthpiece 205, a rotary cleaning body 115 for scraping dust, wiping a cleaning surface, and the like is provided. The rotary cleaning member 115 is formed by alternately arranging a soft brush and a hard brush in a groove formed of metal such as aluminum, and a rotary shaft 116 is press-fitted at both ends thereof, and is rotated by a slide bearing 117. It is freely supported. This rotary cleaning body 115 may be formed of resin.

The sliding bearing 117 is press-fitted into a bearing cover 118 and is held by a pair of opposed supporting ribs 119 provided on the lower case 102.

The rotary cleaning body 115 used in the present embodiment is formed by twisting from both ends toward the center. Further, the two rotating shafts 116 press-fitted at both ends of the rotating cleaning body 115 have a turbine 120A.
Is inserted.

Further, a turbine 120B is provided so as to face the turbine 120A, and the two turbines 120A and 120B constitute the turbine 120. The joint surface between the turbine 120A and the turbine 120B is firmly fixed by ultrasonic welding.

The turbine 120 used in this embodiment is
Thus, the two turbines 120A and 120B
By this, it becomes easy to create a mold for molding the turbine.

Next, the means for rotating the rotary cleaning body 115 will be described. FIG. 7 is a sectional view taken along the line BB of the suction body 205 in FIG. 1, FIG. 8 is a rear view of the suction port cover 106, and FIG. FIG. 10 is a sectional view taken along line DD in FIG. 8, and FIG. 11 is a sectional view taken along line EE in FIG. As shown in FIG. 7, the mouthpiece 205 of this embodiment is
Nozzles 121, 1 for blowing air toward
22 (hereinafter, referred to as multi-blade nozzles 121 and 122) are arranged so as to substantially cover the outer periphery of the turbine 120.

The multi-blade nozzles 121 and 122 are arranged so as to be divided into upper and lower parts.
As shown in FIGS. 8 and 11, the lower multi-blade nozzle 122 is fixed to the lower case 1 as shown in FIGS.
02 is fixed by screws 124. Here, the multi-blade nozzles 121 and 122 are arranged so as to blow air to the turbine 120 </ b> B.
It moves by 20A and flows into the suction port 105.

As described above, a pair of front wheels and 10
9 and a pair of rear wheels 110 are located so as to keep a constant clearance between the suction port 105 below the turbine 120 and the cleaning floor.

Next, the operation for rotating the rotary cleaning body 115 will be described. As shown in FIGS. 3 and 4, the air blown to the turbine 120 is made of a large number of air blowers provided at the rear of the upper case 103 of the suction body 205. Air is sucked in from a rear intake port 125 having a ventilation hole and an upper intake port 126 having a large number of ventilation holes provided above the upper case 103 of the intake body 205.

Rear inlet 125 and upper inlet 126
Are the corners of the air inlet (the rear end of the rear air inlet 125 and the upper end of the upper air inlet 126) to ensure the strength of the air inlet itself.
The air holes are not formed in the holes. This allows
The strength of the suction port itself having a large number of ventilation holes can be ensured.

FIG. 12 is a cross-sectional view of the rear intake port 125. The rear intake port 125 is formed so as to be approximately half the plate thickness of the upper case 103, and the upper case 103 having a reduced plate thickness is formed. A vent hole 127 is formed in the intake port of the air conditioner.

A thick rib 10 is provided between the intake ports.
Since the 3A is formed, even when an impact is applied to the vicinity of the rear intake port 125 or the upper intake port 126, it is protected by the thick rib 103A, so that the damage of the thin intake port can be prevented. it can. The rib 10
Since the rib 3A itself is connected between the rib 103A and the rib 103A by a thin intake port, the rigidity of the rib 103A itself can be secured.

Further, since the ventilation hole 127 is formed integrally with the intake port of the upper case 103 so that a separate member is not used, the disassembling time of the port body can be shortened, and the recyclability is improved.

As shown in FIG. 1, the air sucked from the rear air inlet 125 and the upper air inlet 126 is divided into a partition wall 128A formed by the front walls of the lower case 102 and the upper case 103, and a lower case 128A. A ventilation path 129A is formed by the outer wall of 102 and the outer wall of upper case 103.

A partition wall 128B and a ventilation path 129B are similarly formed on the front side of the rotary cleaning body 115.

As shown in FIGS. 1 and 7, the air sucked from the air holes of the rear air inlet 125 and the upper air inlet 126 passes through a ventilation passage 129A and is guided by a guide wall 130 formed integrally with the lower case 102. It is narrowed down, guided to the multi-blade nozzles 121 and 122, and blown to the turbine 120.

Most of the air sucked from the rear inlet 125 and the upper inlet 126 is supplied to the multi-blade nozzle 121.
Of the multi-blade nozzle 121 and the multi-blade nozzle 122, almost no air flows.

Therefore, in this embodiment, air is also supplied to the front side of the multi-blade nozzle 121 and the multi-blade nozzle 122 to
In order to improve the torque of the rotating body 20 (rotary cleaning body 115), an air inlet 131 is provided on the side surface of the suction body 205 (suction port cover 106) as shown in FIGS.

Further, a notch 13 is formed at the front of the lower surface of the mouthpiece.
2 is provided, and the air sucked from the notch 132 is guided to the multi-blade nozzle 122, and the turbine 120 (the rotary cleaning body 1) is provided.
15) The torque is improved.

By providing the air inlet 131, air also flows to the front side of the multi-blade nozzle 121 and to the multi-blade nozzle 122, and the turbine 120 (the rotary cleaning body 11).
5) It is possible to improve the torque. The number and positions of the air introduction holes can be appropriately selected as needed. For example, an air introduction hole may be provided in the suction port cover 106 located above the turbine 120, guided to the multi-blade nozzle 121, and blown to the turbine 120.

The air blown to the turbine 120 flows through the turbine 120 as shown in FIG.
5 and is guided to the cleaner body through a casing 107 and a suction joint 108 located substantially at the center of the suction port 105.

On the other hand, the air containing dust is guided from the suction port 105 through the casing 107 and the suction port joint 108 to the cleaner body.

In the suction body 205 of the present embodiment, the air sucked from the ventilation holes of the rear suction port 125 and the upper suction port 126 of the suction body flows into the turbine 120, and the casing 107, the suction port and the suction port substantially from the center of the suction port 105. Since the air is sucked into the cleaner body through the joint 108, the air moves to the center while rotating at high speed in the suction port 105, and a swirling flow is generated.

According to this embodiment, the rear intake port 1 of the intake body is provided.
Since the turbine 120 and the cleaning body are rotated by the air sucked from the air holes 25 and the upper air inlet 126, and furthermore, the synergistic effect of the swirling flow generated in the air inlet 105 allows the dust to be absorbed while the dust on the cleaning surface is wound up. Dust collection performance can be greatly improved.

Further, the twisting direction of the rotary cleaning body 115 is twisted in a direction along the velocity vector of the swirling flow of the air flowing from the turbine 120 into the suction port 115. Therefore, the twisted shape of the rotary cleaning body 115 is
It has a substantially V-shape around the vicinity of 7.

In the mouthpiece of this embodiment, when the mouthpiece is lifted from the cleaning surface during use, most of the air is sucked in from the suction port 105, and the rear suction port 125 and the upper suction port of the suction body. Since the amount of air sucked from the ventilation holes 126 decreases, the rotation speeds of the turbine 120 and the rotary cleaning body 115 decrease.

Thus, it is possible to eliminate the drawback of the conventional air turbine type suction body in which the load is reduced and the air turbine rotates at high speed to generate noise.

Further, the suction body of this embodiment automatically changes the turbine 120 and the rotary cleaning body 115 depending on the type of the cleaning surface.
Is changed.

For example, when the cleaning surface is a floor or a tatami mat, the front wheel 109 and the rear wheel 110 provided on the lower surface of the suction body 205 and the roller 111 are used to connect the lower surface of the suction body 205 to the floor surface. Alternatively, a predetermined gap is formed in the tatami mat, the amount of air sucked from the suction port 105 increases, and the amount of air sucked from the ventilation holes of the rear suction port 125 and the upper suction port 126 of the suction body decreases.
Since the number of rotations of the rotating cleaning member 115 is reduced, the floor surface can be prevented from being damaged by the rotating cleaning member 115.

As described above, the mouthpiece of this embodiment is
Pressure control plates 112 and 113 are provided on the lower surface of the mouthpiece. The pressure control plate located behind the suction body
Both ends of the turbine 113 are the turbine 1 as shown in FIGS.
The cutout 20 is provided notched inward from the position of the radial extension where the cutout 20 is disposed. The pressure control plate is provided to keep the inside of the suction port airtight when the cleaning surface is brought into contact with the suction body. When the cleaning surface is a floor or a folding surface, the pressure control plate maintains the airtightness and the turbine 120 , The amount of air blown to the rotating cleaning member 115 is rotated at a high speed. If the rotary cleaning body 115 rotates at a high speed, the floor surface will be damaged. Therefore, both ends of the pressure control plate 113 are cut off to reduce the amount of air blown to the turbine 120. Notches of the pressure control plate are not limited to both ends, but may be provided at a plurality of locations with a certain interval.

When the cleaning surface is carpet, the lower surface of the suction body 205 is in close contact with the carpet, and the suction port 105 is closed.
Reduces the amount of air sucked in from the rear intake port of the suction body
Since the amount of air sucked from the ventilation holes of the upper air inlet 125 and the upper air inlet 126 increases, the turbine 120 and the rotary cleaning body 11
As the number of rotations increases, a swirling flow is generated.

As a result, the dust on the carpet can be scraped out by the rotary cleaning member 115, and the dust can be wound up by the swirling flow, thereby improving the dust collection efficiency.

As described above, in the suction body of this embodiment, the rotation speed of the turbine 120 and the rotary cleaning body 115 automatically changes depending on the type of the cleaning surface. This eliminates the need for a switching lever for manually switching the amount of air blown to the air turbine in accordance with the cleaning surface required for the body, thereby improving operability.

The front wheel 1 is provided on the lower surface of the mouthpiece of this embodiment.
09 and rear wheels 110 are five-point wheels in which rollers 111 are disposed at radially extending portions of the left and right turbines 120 and at the rear central portion, respectively.

This is because when the contact surface between the lower surface of the suction body and the cleaning surface becomes unstable, the amount of air flowing through the turbines 120 disposed on the left and right sides of the rotary cleaning body 115 becomes non-uniform,
The rotation speeds of the rotary cleaning body 115 and the turbine 120 become unstable (the torque fluctuates), and the dust collection efficiency decreases.

Therefore, a five-point wheel is used to stably maintain the contact surface between the lower surface of the suction body and the cleaning surface so that air flows uniformly through the turbine 120.

As a result, the amount of air flowing through the left and right turbines 120 becomes substantially uniform, the rotation speeds of the rotary cleaning body 115 and the turbine 120 are stabilized, and a reduction in dust collection efficiency can be prevented.

Next, a method of maintaining the mouthpiece of the present embodiment will be described.

As described above, the mouthpiece 205 of this embodiment is provided above the suction port 105 of the mouthpiece.
6 are provided. The suction port cover 106 has an opening / closing lever 114 that slides laterally inside the suction port cover 106, and by operating this, the lower case 1
02 and the upper case 103. In addition, a concave portion 133 is formed on a side surface of the suction body 205 (suction port cover 106). Then, the suction port cover 10
In order to remove 6, the index finger or the middle finger is first inserted into the concave portion 133, the thumb is hooked on the opening / closing lever 114, and the opening / closing lever 114 is slid outward to release the engagement. Remove while picking. At this time, the multi-blade nozzle 121 is fixed to the back surface of the suction port cover 106, and the multi-blade nozzle 122 is also screwed to the lower case 102.
Cleaning is possible by removing only 0, and the usability is extremely good.

According to the present embodiment, since the concave portion 133 is provided on the side surface of the suction body 205 (suction port cover 106), the index finger or the middle finger is inserted into the concave portion 133, and the thumb is hooked on the opening / closing lever 114. , Opening and closing lever 114
Is disengaged by sliding outwardly, and is gripped with the thumb and the index finger (middle finger), and the suction port cover 106 is moved to the suction body 2.
05 can be easily removed.

Further, according to the present embodiment, since the opening / closing lever 114 that slides in the lateral direction is provided inside the suction port cover 106, the opening / closing lever 114 is exposed to external force even when it comes into contact with furniture or the like during cleaning. 114 can be protected.

Further, according to the present embodiment, the rotary cleaning body 115 using a metal for the rotating shaft can be easily removed together with the turbine 120, so that the disassembling time of the mouthpiece can be reduced, and the metal portion and the plastic portion can be removed. Can be separated, so that the recyclability can be greatly improved.

[0067]

According to the present invention, at least one of the upper case and the suction port cover is provided with the suction port through which the air for rotating the turbine flows, so that when the suction body is lifted. As the amount of air flowing from the inlet increases and the amount of air flowing from the inlet decreases,
The rotation speed of the turbine can be reduced, and noise generated when the suction body is lifted can be suppressed. Further, according to the present invention, since the multi-blade nozzle for flowing into the turbine is disposed on the back surface of the suction port cover, it is possible to remove the multi-blade nozzle by simply removing the suction port cover from the suction main body, for example. can, also a rotating cleaning element is disposed on the turbine and the same axis can be easily detached together with the turbine.

[Brief description of the drawings]

FIG. 1 is a top sectional view of a mouthpiece 205 according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AOA in FIG.

FIG. 3 is a top view of the suction body 205 with the suction port cover 106 removed.

FIG. 4 is a rear view of the mouthpiece 205 in FIG.

FIG. 5 is a top view of the mouthpiece 205.

FIG. 6 is a bottom view of the mouthpiece 205.

FIG. 7 is a cross-sectional view taken along the line BB of the mouthpiece 205 of FIG.

FIG. 8 is a rear view of the suction port cover 106 of the suction body 205.

9 is a rear view of the suction port cover 106 (partly a cross-sectional view taken along line CC in FIG. 5).

FIG. 10 is a sectional view taken along the line DD in FIG. 8;

11 is a sectional view taken along the line EE in FIG. 8;

FIG. 12 is a partially enlarged view of a rear intake port 125;

FIG. 13 is a side view of the mouthpiece 205.

FIG. 14 is a perspective view showing the appearance of a vacuum cleaner according to one embodiment of the present invention.

[Explanation of symbols]

101: suction body, 102: lower case, 103: upper case, 105: suction port, 106: suction port cover, 107 ...
Casing, 108 ... Suction joint, 109 ... Front wheel, 11
0: rear wheel, 111: roller, 114: open / close lever,
115 ... rotating cleaning body, 116 ... rotating shaft, 120 ... turbine, 121, 122 ... multi-blade nozzle, 125 ... rear intake port,
126: upper intake port, 128A, 128B: partition wall, 1
29A, 129B ... ventilation path, 130 ... guide wall, 131 ...
Air inlet 132, notch, 133, concave, 201
.., Vacuum cleaner body, 202, hose, 203, hose hand, 204, extension tube, 205, suction body, 206, switch operation unit, 207, first infrared light emitting unit, 208, second infrared light emitting unit, 209 , 210 ... indoor ceiling.

Continued on the front page (72) Inventor Masaro Sunagawa 1-1-1, Higashitaga-cho, Hitachi City, Ibaraki Prefecture Hitachi, Ltd.Electrical Equipment Division, Taga Headquarters (72) Inventor Yasuharu Tajima 502 Kandachicho, Tsuchiura City, Ibaraki Stock Hitachi, Ltd.Mechanical Research Laboratories (72) Inventor Kosaburo Komatsu 502, Kandate-cho, Tsuchiura-shi, Ibaraki Pref.Hitachi, Ltd.Mechanical Research Laboratories Co., Ltd. (72) Inventor Naoto Tsuruta 4-6, Kanda Surugadai, Chiyoda-ku, Tokyo Hitachi, Ltd. (56) References JP-A-5-176870 (JP, A) JP-A 52-88357 (JP, U) 39-6841 (JP, Y1) (58) Fields investigated (Int. Cl. ⁶ , DB name) A47L 9/04

Claims (4)

(57) [Claims] 1. A and mouthpiece body having a suction port on the lower surface, a rotary cleaning body disposed on the suction port of the suction port main body, rotatably arranged removably said suction port to have covered the top of the body, and the suction port main body A suction port cover, at least one turbine positioned on the same axis as the rotation axis of the rotary cleaning element and outside the rotary cleaning element, and for driving the rotary cleaning element, and a suction port fitting having a suction passage disposed in suction <br/> the body, arranged an inlet for introducing the air for rotating the turbine to the inlet cover, the suction port cover A suction port for a vacuum cleaner, wherein a multi-blade nozzle is provided on a back surface of the nozzle for flowing air flowing from the suction port into the turbine . 2. A suction body formed by arranging an upper case in a lower case having a suction port on a lower surface, a rotary cleaning body provided in a suction port of the suction main body, and an upper portion of the rotary cleaning body. Overturn
A suction port cover removably disposed on the suction main body , and located outside the rotary cleaning element on the same axis as the rotation axis of the rotary cleaning element, and for driving the rotary cleaning element. and at least one turbine, the and a mouthpiece fitting having a suction body disposed the suction passage to flow the air for rotating the turbine in at least one of the upper case or the suction port cover An air cleaner, wherein a multi-blade nozzle for arranging an air flowing from the air inlet into the turbine is provided on a back surface of the air inlet cover. Mouthpiece. 3. The suction body of a vacuum cleaner according to claim 1, wherein the multi-blade nozzle is separately provided on a back surface of the suction port cover. 4. A vacuum cleaner having a built-in electric blower and a dust collecting chamber.
Body and a suction body communicating with the dust collection chamber of the cleaner body
In the vacuum cleaner, the suction body is provided with an upper case in a lower case having a suction port on a lower surface.
And a suction body formed by disposing
A rotary cleaning body disposed in the mouth, and covering an upper portion of the rotary cleaning body;
And an inlet cover removably disposed on the inlet body.
And the rotary cleaning body on the same axis as the rotary axis of the rotary cleaning body.
Located outside the sweep body and for driving the rotary cleaning body.
At least one turbine for disposing in the suction body
A suction joint having a suction passage formed therein, and at least one of the upper case and the suction port cover.
Into which air for rotating the turbine flows.
The air inlet is provided, and the air inlet is provided on the back of the air inlet cover.
Blades for flowing air flowing from the turbine into the turbine
An electric vacuum cleaner comprising a nozzle.