JP2644691B2 - Rotary regular suction port of vacuum cleaner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary common suction port of a vacuum cleaner. More particularly, the present invention relates to a rotary common suction port of a vacuum cleaner capable of selectively and effectively cleaning hard floors or carpets.

[0002]

2. Description of the Related Art As shown in FIG. 6, a conventional vacuum cleaner is provided with a dust collecting bag 11 which can collect dust or other dirt at a predetermined position inside and inside a cleaner main body 10. As shown in FIG. A motor unit 12 that generates power for sucking dust and dirt into the dust collecting bag 11 is provided behind the dust collecting bag 11.
Is installed. A suction device (not shown) for generating a suction force by the power of the motor 12 is provided inside the motor unit 12. Between the dust bag 11 and the motor unit 12, a surface is formed with a plurality of holes, and a suction unit 12 a for sucking air from the dust bag 11 is provided.

A discharge portion 12b for discharging the air sucked from the dust bag 11 to the outside of the cleaner body 10 is fixed to the rear portion of the cleaner body 10 at the rear portion of the motor portion 12. I have. In addition, a rear wheel 13 is installed on one side of the rear tail outside the cleaner body 10 so that the cleaner body 10 can travel. A front wheel 14 is provided at a predetermined position in front of the lower surface of the cleaner body 10 so that the cleaner body 10 can travel.

[0004] One end of a hose 15 is detachably mounted on the front surface of the dust bag 11 and the front surface of the cleaner body 10. The other end of the hose 15 is detachably connected to one end of the extension tube 16. The other end of the extension pipe 16 is detachably connected to one end of an auxiliary pipe 17, and the other end of the auxiliary pipe 17 is connected to an auxiliary pipe connecting means (not shown) and a common suction port connecting means (not shown) of the common suction port 20. (Not shown). Here, a handle 16a is provided at a predetermined portion of the extension tube 16.

[0005] The structure of the regular suction port 20 will be described in detail with reference to FIG. As previously mentioned,
Auxiliary pipe connecting means 18 installed at one end of the auxiliary pipe 17
Is detachably connected to the common suction port connecting means 19 of the common suction port 20. An upper lid 21 for protecting the entire structure of the common suction port 20 from above is installed on the common suction port 20. A lower lid 22 that supports the upper lid 21 at a lower portion thereof is connected to the upper lid 21 with a screw 23 below the upper lid 21.

The bottom surface of the lower lid 22 is formed to have a predetermined width in the length direction, and a suction port (not shown) for sucking dust and other dirt on the floor. A plurality of rear wheels 24 are provided at a predetermined position behind the bottom surface of the lower lid 22 so that the common suction port 20 travels. Further, a plurality of front wheels 25 for running the common suction port 20 are installed at a predetermined position in front of the bottom surface of the lower lid 22.

FIG. 8 is a cross-sectional view of a conventional suction port 20 of a conventional vacuum cleaner. One end of the lower lid 22 is connected to the inlet of the suction port 26, and the other end is connected to the lower lid 22. A guide plate 27 that guides the flow of air is provided so as to be connected to the common suction port connecting means 19. In addition, one end of the upper lid 2 is provided at a front portion of the suction port 26.
1, the other end is connected to the inlet of the suction port 26, and a support portion 28 for guiding the flow of air is provided.

The operation of the conventional suction port of the conventional vacuum cleaner having the above configuration will be described as follows. First, when power is applied to the motor unit 12 installed inside the cleaner body 10, a suction force is generated by an inhaler (not shown) installed in the motor unit 12. This suction force acts on the regular suction port 20 through the dust bag 11, the hose 15, the protrusion 16a, the extension pipe 16, and the auxiliary pipe 17. At this time, the user grips the handle 16a provided at a predetermined portion of the extension tube 16 and travels back and forth and left and right with the bottom surface of the regular suction port 20 in contact with the floor to be cleaned. At this time, the rear wheel 24 and / or the front wheel 23 facilitates the sliding of the regular intake 20.

Here, dust or dirt on the floor below the regular suction port 20 is sucked through the suction port 26 together with air by the suction force, and the sucked dust or dirt is collected by the extension pipe 16 and the hose. The air is sucked into the dust bag 11 through the air bag 15. Dust or dirt sucked into the dust collecting bag 11 together with air collects in the dust collecting bag 11 due to a filtering effect of the dust collecting bag 11, but air sucked together with the dust or dirt flows through the dust collecting bag 11. It passes through and is discharged again to the outside through the discharge section 12b.

[0010]

However, in the conventional vacuum cleaner having the above-described structure and operation, when cleaning the carpet floor, the rear wheel 13 and the front wheel 14 installed below the common suction port 20 are not used. There was a problem that the cleaning was not performed effectively because the running performance was lowered by being inserted into the carpet forest. Then, when cleaning the place adjacent to the wall or where there is an obstacle, the upper lid 21 of the regular suction port 20 is used.
Is fixed to the common suction port 20, the upper cover 2
The upper end of the main unit 1 is bumped against a wall to impact the common inlet 20 and not only reduce the durability of the common inlet 20 but also cause damage to the appearance of the common inlet 20 due to the impact. There was a problem that harmed the beauty.

The rear wheels 24 and the front wheels 25 fixed to the bottom surface of the service inlet 20 are difficult to change directions during running when cleaning a hard floor or a carpet floor, and a part of the service inlet 20 is difficult to change. There is a problem that the running direction must be changed by lifting the hand by hand. Accordingly, it is an object of the present invention to provide a rotary service inlet for a vacuum cleaner that can selectively and effectively clean hard floors or carpet floors.

[0012]

According to an aspect of the present invention, there is provided a rotary vacuum cleaner having a rotary suction port, comprising: a vacuum cleaner main body; a hose connected to one end of the vacuum cleaner main body; An extension pipe connected to one end of the hose, an auxiliary pipe connected to one end of the extension pipe, an auxiliary pipe connection part installed at one end of the auxiliary pipe, and an auxiliary pipe connected to the auxiliary pipe connection part; A ring-shaped rotating cleaning plate having a width, a disk-shaped fixed cleaning plate, a ring-shaped adjusting portion, a ring-shaped selection adjusting portion for selectively adjusting the height of the adjusting portion, and air to be sucked in And a common suction port having an upper lid.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The overall structure of a vacuum cleaner according to the present invention will be schematically described with reference to FIG. here,
The same reference numerals are given to the same elements used in the vacuum cleaner of the prior art.

First, a dust collecting bag 11 which can collect dust or other dirt is installed at a predetermined position inside the cleaner main body 10 in front. A motor unit 12 that generates power to suck dust and dirt into the dust bag 11 is installed behind the dust bag 11. The motor unit 1
Inside 2, an inhaler (not shown) for generating an inhalation input by the power of the motor 12 is provided. Between the dust bag 11 and the motor unit 12, a surface is formed with a plurality of holes, and a suction unit 12 a for sucking air from the dust bag 11 is provided.

A dust bag 11 is provided at the rear of the motor unit 12.
A discharge portion 12b for discharging air taken in from the outside to the outside of the cleaner body 10 is fixed to a rear surface portion of the cleaner body 10. In addition, a rear wheel 13 is installed on one side of the rear tail outside the cleaner body 10 so that the cleaner body 10 can travel. And the cleaner body 10
A front wheel 14 is installed at a predetermined position in front of the lower surface of the cleaner so that the cleaner body 10 can travel.

One end of a hose 15 is detachably installed on the front surface of the dust bag 11 and the front surface of the cleaner body 10. The other end of the hose 15 is detachably connected to one end of the extension tube 16. The other end of the extension pipe 16 is detachably connected to one end of the auxiliary pipe 700, and an auxiliary pipe connection part 710 is installed at the other end of the auxiliary pipe 700. The auxiliary pipe connection part 710 is detachably connected to the upper lid connection part 620 of the common suction port 1000.

The upper portion of the common suction port 1000 is an upper cover 6.
00 protects the upper part of the overall configuration. An upper lid air flow pipe 610 for guiding the air to be sucked is formed at a predetermined upper portion of the upper lid 600.
A carpet brush 110 for sweeping the floor at the time of cleaning is installed at a predetermined position on the bottom surface of the common suction port 1000.

FIG. 2 is an exploded perspective view of the rotary common suction port according to the present invention, and the structure thereof will be described below with reference to this drawing. First, the rotary service inlet 1
000, has a predetermined outer diameter, an edge portion is continuously provided upward by a predetermined height, and an inner diameter smaller than the outer diameter is formed at the center, and the rotary common suction port is used for cleaning. 1000
A rotary cleaning plate 100 that is rotatable with respect to the entire structure of is provided. In the vicinity of the bottom edge of the rotary cleaning plate 100, a carpet brush 110 having a predetermined distance from each other.
Are respectively fixed. And the rotary cleaning plate 1
A ring-shaped cushioning member 120 for protecting the rotary working suction port 1000 from external impact is inserted into a portion connected to the upper portion of the upper surface of the upper surface of the upper portion of the upper portion 00.

The lower portion of the rotary cleaning plate 100 has a generally disk shape, penetrates the inner diameter of the rotary cleaning plate 100, and has an outer peripheral edge formed inside an upper lid 600 described later. A fixed cleaning plate 200 that is screw-fixed to the screw support portions 280a and 280b is provided. At the center of the fixed cleaning plate 200, a fixed cleaning plate suction port 21 having a predetermined diameter for sucking dust and other dirt during cleaning.
A hollow cylindrical support 220 having a predetermined height is installed at an outer peripheral edge of the fixed cleaning plate suction port 210. A plurality of carpet protrusion coupling grooves 230 into which a lower portion of a carpet protrusion 320 of the adjustment unit 300 described later is inserted are formed on an upper surface of the fixed cleaning plate 200.
A fixed protrusion 340 of the adjustment unit 300 and a spring 330 are provided at predetermined positions on the upper surface of the fixed cleaning plate 200.
A plurality of fixing projections 240 mutually connected by are formed.

A plurality of support protrusions 250 are provided at the upper edge of the fixed cleaning plate 200 and are coupled to a predetermined portion of the bottom surface of the rotary cleaning plate 100 to guide the outer peripheral edge of the adjustment unit 300. Have been. On the other hand, one end of the fixed cleaning plate 200 is provided on the lower surface of the fixed cleaning plate 200.
10 and the other end thereof is continuously connected to the edge of the fixed cleaning plate 200, and a plurality of suction grooves 26 for sucking dust on the floor or wall and guiding the dust to the fixed cleaning plate suction port 210 during cleaning.
0 is formed. In the entire bottom surface of the fixed cleaning plate 200, except for the portion occupied by the fixed cleaning plate suction port 210, the carpet projection coupling groove 230, and the suction groove 260, dust on the floor to be cleaned is provided. In addition, a carpet brush 270 is provided for removing dust and dirt attached to the floor before sucking dirt and effectively sucking the dirt and dirt.

On the other hand, above the rotary cleaning plate 100,
A circular ring-shaped adjusting unit 300 for selectively changing the cleaning condition according to the condition of the floor to be cleaned is provided. The upper surface of the adjusting part 300 has an interval of 120 ° from each other, has a triangular shape having a predetermined height, and is slidably coupled to a second selecting protrusion 420 of the selecting adjusting part 400 described later. A first selection protrusion 310 for variably adjusting the height of the adjustment unit 300 is formed.

On the lower surface of the adjusting part 300, there is an installation interval of 120 ° from each other, a predetermined height,
A plurality of carpet protrusions 3 each of which is detachably inserted into the carpet protrusion coupling groove 230 of the fixed cleaning plate 200.
20 are installed. Then, the carpet 320
The fixed cleaning plate 200
A plurality of fixing protrusions 340 elastically coupled to each other by a fixing protrusion 240 and a spring 330 are provided.

A ring-shaped selection and adjustment unit 400 for selectively adjusting the height of the adjustment unit 300 is provided above the adjustment unit 300. An upper end is inserted into a guide hole 630 of an upper lid 600, which will be described later, at a predetermined position on the upper surface of the selection adjustment unit 400, and a handle protrusion 410 for grasping the upper end with a hand and rotating the selection adjustment unit 400 by a predetermined angle. Is installed. In addition, the lower surface of the selection adjustment unit 400 has an interval of 120 ° from each other, has a triangular mountain shape with a predetermined height, and is provided at the upper end of the first selection protrusion 310 or the upper surface of the adjustment unit 300 A plurality of second selection protrusions 420 are selectively positioned to adjust the height of the adjustment unit 300.

The upper portion of the selection controller 400 has a predetermined length and width, and the edge thereof is formed with a flange at a predetermined height.
An air flow path plate 500 for guiding suction of dust and dirt sucked through the suction groove 10 and the suction groove 260 is provided. At one end of the air flow path plate 500, an air flow path plate suction port 510 having the same diameter as the support portion 220 of the fixed cleaning plate 200 for guiding suction of dust and dirt is installed.

Here, the support portion 2 of the stationary cleaning plate 200
The upper end of 20 is in contact with the lower end of the air flow passage plate suction port 510 so as to be mutually sealable. In addition, a plurality of fixing protrusions 520 are installed at predetermined positions on the edge of the air flow path plate 500. The fixing protrusion 520 is provided with an upper lid 6 described later.
00 is fixedly connected to a predetermined portion of the lower surface of the fixing member 00 with a screw 530.
A fixing groove 540 is formed on the opposite side of the air passage plate suction port 510 to be connected to one side of a circumferential surface of an upper cover 600 described later.

An upper cover 600 is provided above the air passage plate 500 to receive the fixed cleaning plate 200, the adjustment unit 300, the selection adjustment unit 400, and the air passage plate 500 from below. Have been. The upper lid 60
0 has a predetermined width from the center to one side edge, has the same size as the air flow path plate 500, and has the fixed cleaning plate suction port 210, the suction groove 260, and the flow path plate. Inlet 5
An upper lid air flow path plate 610 is formed to guide the inhalation of dust and dirt sucked through the airflow path 10. An upper lid connecting part 620 is installed outside the upper lid air flow path plate 610.

A handle projection 410 of the selection adjusting section 400 is slidably inserted into a predetermined portion of the upper surface of the upper lid 600, and the guide hole 63 has a predetermined width.
0 is formed. Here, a circumferential surface of the upper cover 600 is coupled to a predetermined portion of an outer peripheral edge of the rotary cleaning plate 100 so that the rotary cleaning plate 100 can rotate.

The dust and dirt sucked through the fixed cleaning plate suction port 210, the suction groove 260, the air flow path plate suction port 510, and the upper air flow path pipe 610 are provided on the upper cover 600. An auxiliary pipe 700 for guiding the inhalation of water is provided. At one end of the auxiliary pipe 700, an auxiliary pipe connecting part 710 is detachably connected to the upper lid connecting part 620 of the upper lid 600.

FIG. 3 is a sectional view of the rotary suction port according to the present invention. As shown in FIG.
The inner surface of the cushioning member 120 inserted in the outer peripheral edge of the upper cover 6
The rotating cleaning plate 100 can rotate freely at a predetermined distance from the outer peripheral edge of the rotation cleaning plate 100. And the fixed cleaning plate 2
00 is screwed to a screw support 280a which is provided downward at a predetermined position on the inner surface of the front part of the upper lid 600.
The rear portion of the fixed cleaning plate 200 is fixed with screws 280 to a screw support portion 280 b continuously provided at a predetermined portion on the inner surface of the rear portion of the upper lid 600.

The carpet projection 320 of the adjusting section 300 reciprocates up and down inside the carpet projection coupling groove 230. Then, the selection adjusting unit 40
0 second selection protrusion 420 is located on the upper surface of the adjustment unit 300 or the first selection protrusion 420.
It is selectively coupled to the upper portion of the selection protrusion 310. In addition, the selection adjustment unit 400 can rotate by a predetermined angle in a predetermined space formed between the screw support unit 280a and one side of the air flow plate 500.

FIG. 4 shows a rotary service inlet 100 according to the present invention.
In the bottom view of FIG. 0, as shown in FIG.
When the ball 00 collides with a wall or the like, a cushioning member 120 having a predetermined elasticity is provided to reduce the impact. A plurality of carpet brushes 110 are provided at predetermined positions on the lower surface of the rotary cleaning plate 100. A plurality of carpet protrusion coupling grooves 23 are provided on the lower surface of the fixed cleaning plate 200.
0 is formed. A plurality of suction ports are provided between the carpet protrusion coupling grooves 230, one end of which is connected to an outer peripheral edge of the fixed cleaning plate 200 and one end of which is connected to a suction groove 210 formed at the center of the fixed cleaning plate 200. Groove 260
Are formed.

The operation of the rotary working suction port according to the present invention having the above-described structure will be described below with reference to FIGS. First, FIG. 5A illustrates a case of cleaning a hard floor such as a floor on which oil paper is stuck or a wood floor. The operation will be described in detail as follows. The adjusting section 300 is elastically supported by a spring 330 at a lower portion. When the adjusting unit 300 is elastically supported by the spring 330, the bottom surface of the carpet protrusion 320 of the adjusting unit 300 is lowered from the carpet brush 270 of the fixed cleaning plate 200, that is, the bottom surface of the carpet protrusion 320 is You will not touch the floor.

In such a state, when the user grips the handle 16a of the vacuum cleaner and travels back and forth and left and right at the place to be cleaned, dust and dirt on the floor are removed by the suction groove 260 and the fixed cleaning plate suction port 210. The air is cleaned while being sucked into the dust bag 11 through the air passage plate suction port 510 and the auxiliary pipe 700. In particular, when cleaning a hard floor such as an oil-paper floor, the carpet brush 11 installed on the rotary cleaning plate 100 is used.
In the fixed state, the carpet brush 270 installed on the stationary cleaning plate 200 is rotated and the suction is performed while sweeping in advance the place to be cleaned, thereby enabling effective cleaning. In the drawings, F indicates a floor when the floor is hard.

When the carpet is laid on the floor to be cleaned, the carpet brush 110 is used for cleaning.
And 270 are in direct contact with the carpet on the floor, so that the running performance of the regular suction port 1000 is reduced and the cleaning efficiency is reduced. The case where the floor on which the carpet is laid is thus cleaned will be described below with reference to FIG. 5B.

First, the adjusting unit 300 is provided with a spring 33.
It is supported at the bottom by 0. As described above, when the adjusting unit 300 is elastically supported by the spring 330,
The bottom surface of the carpet protrusion 320 of the adjustment unit 300 is lowered from the carpet brush 270 of the fixed cleaning plate 200, that is, the bottom surface of the carpet protrusion 320 does not touch the carpet. In this state, in order to clean the floor on which the carpet is laid, the grip projection 410 is gripped by hand and turned in a predetermined direction, that is, clockwise or counterclockwise by a predetermined angle. One side surface of the triangle-shaped second selection protrusion 420 installed on the lower surface is the triangle-shaped first selection protrusion 3 installed on the upper surface of the controller 300.
10 moves while rubbing against one side surface, and pushes the adjustment unit 300 downward.
The shape is located at the top of the selection protrusion.

When such an operation is completed, the adjusting unit 3
The carpet protrusion 320 formed at the lower portion of the carpet 100 protrudes from the carpet brushes 110 and 270, that is, the bottom surface of the carpet protrusion 320 touches the floor to be cleaned, that is, the upper end of the carpet. In this way, the carpet protrusions 320 run back and forth and right and left on the carpet laid on the floor, so that the carpet brushes 110 and 270 run directly on the carpet, thereby improving running performance and effective cleaning. Done. In the drawings, C indicates the case where the floor is a carpet.

Referring to FIG. 5C, the cleaning in the case where there is an obstacle of a predetermined height or the front and rear or left and right walls at the time of cleaning will be described as follows. As shown in FIG. 5C, when the common suction port 1000 travels and one end of the common suction port 1000 collides with a wall, the buffer member 12 fixed to the rotary cleaning plate 100 is used.
0 means to rotate along the wall. As described above, since the buffer member 120 of the rotary cleaning plate 100 has a predetermined elasticity and rotates itself, even if it collides with a wall, it absorbs the impact and rotates and slides, so that the impact is reduced by half.

[0038]

The effects of the conventional suction port of the vacuum cleaner according to the present invention having the above-described configuration and operation will be described as follows. In the area to be cleaned, part of the floor is solid, part of the floor is carpeted, part of the floor is carpeted, and the handle projections 410 are gripped and selectively adjusted according to the case of a hard floor and a carpet. By doing so, there is an effect that effective cleaning can be performed so as to match the characteristics according to the condition of the floor to be cleaned. In particular, the regular suction port 1000
When the vehicle is running, it has excellent running properties even on a hard floor or carpet, so that there is an effect that it can be easily cleaned.

Since the cushioning members are provided on the entire outer surface of the rotary cleaner in the front, rear, left and right directions, it may collide with a wall in the direction to be cleaned or an obstacle of a predetermined height. Even so, there is an effect that the appearance of a clean state can be maintained in order to prevent the external surface of the regular suction port 1000 from being damaged.

[Brief description of the drawings]

FIG. 1 is a perspective view of a vacuum cleaner according to the present invention.

FIG. 2 is an exploded perspective view of a rotary common suction port of the vacuum cleaner according to the present invention;

FIG. 3 is a cross-sectional view of a rotary suction port of the vacuum cleaner according to the present invention;

FIG. 4 is a bottom view of the rotary suction port of the vacuum cleaner according to the present invention;

5 (A) and 5 (B) illustrate the operation of the rotary suction port of the vacuum cleaner according to the present invention. FIG. 5 (A) is a sectional view of the normal suction port when the floor to be cleaned is hard, and FIG. 5 (B) is the floor to be cleaned. Sectional view of a common intake when a carpet is laid in (C)
FIG. 4 is a cross-sectional view of a common suction port when there is a wall or an obstacle.

FIG. 6 is a perspective view of a conventional vacuum cleaner.

FIG. 7 is an exploded perspective view of a conventional suction port of a conventional vacuum cleaner.

FIG. 8 is a cross-sectional view of a conventional suction port of a conventional vacuum cleaner.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Vacuum cleaner main body 11 ... Dust collection bag 12 ... Motor part 12a ... Suction part 12b ... Discharge part 13 ... Rear wheel 14 ... Front wheel 15 ... Hose 16 ... Extension pipe 16a ... Handle 17,700 ... Auxiliary pipe 18 ... Auxiliary pipe connection Means 19 ... Combined suction port means 20, 1000 ... Suction port 21 ... Upper lid 22 ... Lower lid 23 ... Screw 24 ... Rear wheel 25 ... Front wheel 26 ... Suction port 27 ... Guide plate 100 ... Rotating cleaning plate 110,270 ... Carpet brush 120: Buffer member 200: Fixed cleaning plate 210: Fixed cleaning plate suction port 220: Support section 230: Carpet projection coupling groove 240: Fixed projection 250: Support projection 260: Suction groove 280: Screw 280a, 280b: Screw support Part 300: Adjusting part 310: First selection projection 320: Carpet projection 330: Spring 340: Fixing projection 400: Selection key Part 410: Handle protrusion 420 ... Second selection protrusion 500 ... Air flow plate 510 ... Air flow plate suction port 520 ... Fixing protrusion 530 ... Fixing screw 540 ... Fixing groove 600 ... Upper lid 610 ... Upper lid air flow pipe 620 ... upper lid connecting part 630 ... guide hole 710 ... auxiliary pipe connecting part

Claims (10)

(57) [Claims] 1. A vacuum cleaner body (10), a hose (15) connected to one end of the vacuum cleaner body (10), and an extension pipe (16) connected to one end of the hose (15).
And an auxiliary pipe (70) connected to one end of the extension pipe (16).
0), an auxiliary pipe connecting part (710) installed at one end of the auxiliary pipe (700), and a ring-shaped rotary cleaning plate (100) connected to the auxiliary pipe connecting part (710) and having a predetermined width. ), A disc-shaped fixed cleaning plate (200), a ring-shaped adjustment unit (300), and a ring-shaped selection adjustment unit (400) for selectively adjusting the height of the adjustment unit (300), and suction. A rotary suction port of a vacuum cleaner, comprising: a suction port (1000) having an air flow path plate (500) for guiding the air to be blown and an upper lid (600). 2. The vacuum cleaner according to claim 1, wherein the rotary cleaning plate has a predetermined diameter inside, and a plurality of carpet brushes are installed on a lower surface of the rotary cleaning plate. Rotary service inlet. 3. The vacuum cleaner according to claim 2, wherein a buffer member having a predetermined elasticity is inserted into an edge of a circumferential surface of the rotary cleaning plate. Rotary regular inlet. 4. The fixed cleaning plate (200) has a plurality of carpet protrusion coupling grooves (230) on an upper surface thereof, a cylindrical support portion (220) at a central portion thereof, and a predetermined portion on an upper surface thereof. The rotary service inlet of a vacuum cleaner according to claim 1, comprising a plurality of support projections (250). 5. The adjusting unit (300) is installed at a predetermined position on an upper surface thereof, and has a plurality of triangular mountain-shaped first selection protrusions (310) having a predetermined height. A plurality of carpet protrusions (320) inserted into the carpet protrusion coupling grooves (230) of the fixed cleaning plate (200) and having a predetermined height, and fixed protrusions of the fixed cleaning plate (200) at predetermined positions on the lower surface thereof. A plurality of fixing projections (340) supported by a spring (330) on the (240);
The rotary working suction port of a vacuum cleaner according to claim 1, further comprising: 6. A selection protrusion (410) having a predetermined height at a predetermined position on an upper surface thereof,
The first selection protrusion (31) of the adjustment unit (300) is provided on the lower surface thereof.
The rotary common suction port of a vacuum cleaner according to claim 1, further comprising a plurality of second selection protrusions (420) having a triangular mountain shape selectively slidably connected to (0). 7. The air flow plate (500) has an air flow plate suction port (510) on one side thereof and fixed projections (5) on an edge thereof.
20) and a fixing groove (540) on the opposite side of the air flow plate suction port (510).
Rotary service inlet for the vacuum cleaner described. 8. The upper cover (600) has a guide hole (630) formed on a top surface thereof to a predetermined width into which the handle protrusion (410) of the selection adjusting part (400) is inserted, and an inner side thereof. A plurality of screw support portions (280
a) (280b) and an upper lid air flow pipe (6
The rotary common suction port for a vacuum cleaner according to claim 1, further comprising (10). 9. The rotary common suction port of a vacuum cleaner according to claim 1, wherein the fixed cleaning plate (200) is screwed into a predetermined portion inside the upper cover (600). 10. The rotary common suction port of a vacuum cleaner according to claim 1, wherein the air flow path plate (500) is screwed into a predetermined portion inside the upper cover (600).