JP2004255067A - Rotating cleaning body and suction port body of vacuum cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rotating brush facilitating the manufacturing. <P>SOLUTION: A scraper member 15 and a brush base 14 are manufactured by an integral torsional extrusion molding. The scraper member 15 is made to project in a spirally twisted state to the outer circumferential face of the brush base 14. This constitution eliminates work for mounting the scraper member 15 on the brush base 14. This also eliminates work for twisting the brush base 14 and the scraper member 15. The assembling process of the rotating brush 13 can be reduced. The brush base 14 is molded from hard plastic. The brush base 14 can surely retain the brush member 25 and surely support the scraper member 15. The cleaning capacity by the scraper member 15 and the brush member 25 can be improved. The scraper member 15 is molded from soft chloroethylene different in material from that of the brush base 14. This constitution can prevent damage on a floor surface by the scraper member 15. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a rotary cleaning body in which a cleaning member protruding in a radial direction along an axial direction is mounted on an outer peripheral surface of a cylindrical mounting member, and a suction port body of a vacuum cleaner provided with the rotary cleaning body.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a rotary brush as a rotary cleaning body of this type includes a brush base as an elongated cylindrical mounting member. On the outer peripheral surface of the brush stand, there are provided a plurality of engaging concave portions as spiral mounting grooves having a concave cross section along the axial direction. These engagement recesses are provided at positions equidistant from each other along the circumferential direction of the brush stand.
[0003]
Further, in each of these engagement concave portions, a base end side of a scraping member as a cleaning member having an elongated V-shaped cross section and a base end side of a polishing member as a cleaning member having an elongated flat plate shape are alternately arranged in the longitudinal direction. Are inserted along and engaged. Then, the scraping member and the polishing member are spirally wound around the outer peripheral surface of the brush base, with the base end sides of the scraping member and the polishing member being locked in the respective engaging recesses of the brush base. It protrudes like a wall in the state (for example, see Patent Document 1).
[0004]
[Patent Document 1]
JP-A-10-33428 (page 3-5, FIGS. 1 and 2)
[0005]
[Problems to be solved by the invention]
However, in the above-mentioned rotary cleaning body, the base end side of the scraping member and the base end side of the polishing member are alternately engaged with the engaging concave portion provided on the outer peripheral surface of the brush base, so that the scraping is performed. The member and the polishing member are attached to the outer peripheral surface of the brush stand. For this reason, it is necessary to attach the scraping member and the polishing member to the outer peripheral surface of the brush stand, so that there is a problem that manufacturing of the rotating brush is not easy.
[0006]
SUMMARY OF THE INVENTION The present invention has been made in view of such a point, and an object of the present invention is to provide a rotary cleaning body that is easier to manufacture and a suction port body for a vacuum cleaner including the rotary cleaning body.
[0007]
[Means for Solving the Problems]
According to the present invention, a first cleaning member projecting in an axial direction and radially on an outer peripheral surface of a substantially cylindrical mounting member is twisted in a circumferential direction together with the mounting member with a member different from the mounting member. It is formed integrally. Since the first cleaning member is integrally formed with the mounting member by twisting the first cleaning member in the circumferential direction with a member different from the mounting member, a step of mounting the first cleaning member to the mounting member is eliminated. The number of assembling steps is reduced, and the manufacturing becomes easier.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the configuration of the vacuum cleaner according to the first embodiment of the present invention will be described with reference to FIGS.
[0009]
In FIG. 4, reference numeral 1 denotes a cleaner main body, which is hollow, and accommodates an electric blower 2 therein. Further, the cleaner body 1 captures and collects dust sucked in with the intake air generated by driving the electric blower 2.
[0010]
Further, a main body suction port 3 for sucking air from the outside is opened at substantially the center of the front side of the cleaner main body 1. A hose body 4 as a bendable and elongated cylindrical connection pipe is connected to the main body suction port 3. At the tip of the hose body 4, there is provided a hand operation unit 5 capable of selecting an operation mode of the electric blower 2 and the like.
[0011]
The hand operation unit 5 is provided with a plurality of setting buttons 6 for setting a driving state of the electric blower 2 and the like in the cleaner main body 1 to a predetermined state, and a worker holds the cleaning button when cleaning. A gripping portion 7 is provided protruding from the base end side. Further, an elongate and substantially cylindrical elongated tube 8 which can be extended and contracted is detachably connected to the distal end of the hand operation unit 5. Further, a floor brush 9 which is installed on, for example, a carpet on the floor in a room and sucks dust on the carpet is detachably connected to the tip of the extension tube 8 in a detachable manner. The floor brush 9 is a suction port of the vacuum cleaner.
[0012]
As shown in FIGS. 2 and 3, the floor brush 9 has a convex case body 11 that is horizontally long in the running direction that is the front-rear direction and that has a substantially central rear portion protruding rearward. I have. An elongated rectangular suction port 12 is formed on the lower surface of the case body 11 facing the floor as a surface to be cleaned. The suction port 12 is provided at a position deviated to the front side in the traveling direction of the case body 11, and is formed in a horizontally long rectangular shape having a longitudinal direction along the width direction with respect to the traveling direction of the case body 11. I have.
[0013]
Further, inside the suction port 12 of the case body 11, a rotary brush 13 as a slender, substantially cylindrical rotary cleaning body is rotatably supported in the running direction. The rotating brush 13 is attached so as to face the floor when the suction port 12 of the case body 11 faces the floor. As shown in FIGS. 1 to 3, the rotating brush 13 includes a brush table 14 which is a cleaning table as an elongated and substantially cylindrical mounting member having a long cylindrical shape. On the outer peripheral surface of the brush stand 14, a plurality of, for example, two scraping members 15, which are blade members as a first cleaning member having a substantially elongated flat plate shape, are formed by integral extrusion molding.
[0014]
These scraping members 15 are provided in a spirally spiral state in the circumferential direction along the axial direction of the brush stand 14. The scraping members 15 are provided at equal intervals at intervals in the circumferential direction, and protrude in a wall shape in the radial direction of the brush stand 14. Further, these scraping members 15 are provided at positions on the opposite side of the outer peripheral surface of the brush stand 14. In other words, these scraping members 15 are provided at opposing positions along the radial direction of the brush stand 14.
[0015]
Here, the scraping member 15 and the brush stand 14 are manufactured by integrally twisting and extruding in a spiral shape in the circumferential direction by rotating a mold (not shown) in the circumferential direction. I have. The brush stand 14 is formed of a hard member such as plastic, which is harder than the scraping member 15. Each scraping member 15 is formed of a different material and member from the brush stand 14, that is, a soft member softer than the brush stand 14, such as soft vinyl chloride.
[0016]
Further, these scraping members 15 are provided integrally with their base ends in the height direction being locked to the outer peripheral surface of the brush stand 14. The scraping members 15 protrude from the outer peripheral surface of the brush stand 14 in a wall shape in the radial direction of the brush stand 14. These scraping members 15 are provided with elastic blades 17 each having an elongated flat plate-like shape and provided with a scraping portion 16 bulging thick on both sides in one longitudinal direction. On the other edge of the blade 17 in the longitudinal direction, a blade mounting portion 18 of the same material as that of the blade 17 and formed in an elongated and substantially flat plate shape is formed. The blade mounting part 18 is formed integrally with the brush stand 14.
[0017]
Further, between the respective scraping members 15 on the outer peripheral surface of the brush stand 14, an engagement recess 21 which is a mounting recess having a substantially concave cross-sectional shape, which is spirally twisted in the circumferential direction along the axial direction. Are provided, for example, two. The engaging recesses 21 are provided at intermediate portions between the scraping members 15 in a state where the longitudinal direction is along the longitudinal direction of the scraping member 15. As shown in FIGS. 1 and 2, these engagement recesses 21 have a bulging portion 22 whose inside becomes wider in the circumferential direction, and the bulging portion 22 communicates with the outer peripheral surface. A step is provided with the narrow communication portion 23 so that the cross-sectional shape is formed in a concave shape having a narrow claw shape. Here, the bulging portion 22 of the engagement concave portion 21 has a base end side formed in a concave arc shape in cross section, and an inner edge on the front end side is formed in a flat shape facing the base end side.
[0018]
In each of the engagement recesses 21, a base end side of a substantially elongated flat plate-shaped brush member 25, which is a polishing member as a second cleaning member, is alternately locked along the circumferential direction and attached. These brush members 25 are attached to the outer peripheral surface of the brush stand 14 in a state of being spirally twisted in the circumferential direction along the axial direction of the brush stand 14.
[0019]
Further, the brush members 25 project in a wall shape toward the radial direction of the brush stand 14 in a state where the base end side is locked in each engaging recess 21 of the brush stand 14. Further, these brush members 25 are provided with an elongated substantially plate-shaped brush mounting portion 26 having a shape substantially matching the cross-sectional shape of the engaging recess 21 of the brush stand 14. The brush mounting portion 26 is formed of soft vinyl chloride or the like, and can be engaged with and disengaged from the engaging recess 21 of the brush stand 14. On the surface of the brush mounting portion 26, brush bristles 27 are planted in a wall shape along the longitudinal direction.
[0020]
Further, between each of the engagement recesses 21 of the brush stand 14 and each of the scraping members 15, a locking recess 24 having a substantially concave cross section along the axial direction is formed. These locking recesses 24 are formed in a tapered shape that gradually expands from the base end side toward the distal end side. Further, a shaft insertion hole 31 as a through hole having a circular cross section is provided concentrically with the brush stand 14.
[0021]
The shaft insertion hole 31 penetrates between both ends of the brush stand 14 along the axial direction. The shaft insertion hole 31 is inserted with a shaft 32 which is a rotating shaft as a hollow pipe-shaped shaft formed of metal such as steel or stainless steel (SUS). The shaft 32 is formed of a member that is harder than the brush base 14, and both ends of the shaft 32 protrude from both ends of the brush base 14. It is inserted through the shaft insertion hole 31.
[0022]
Further, pin insertion holes 33 penetrating in the radial direction of the shaft 32 are formed at both ends of the shaft 32. These pin insertion holes 33 have axial directions parallel to each other. The pin insertion holes 33 are provided at positions protruding from both ends of the brush base 14 when the shaft 32 is inserted into the shaft insertion hole 31 of the brush base 14. Further, on both ends of the shaft 32 with respect to each of the pin insertion holes 33, an engagement groove 34 having a concave cross section along the circumferential direction of the shaft 32 is formed. The outer peripheral surfaces of the engagement grooves 34 are polished to reduce the resistance when the shaft 32 is rotated, and are provided so as to reduce the surface friction coefficient.
[0023]
Further, as shown in FIGS. 1 to 3, substantially cylindrical receivers 41 as receiving plates as holding members are coaxially attached to both ends of the brush stand 14. These receivers 41 are fitted and attached to both ends of the shaft 32 inserted into the shaft insertion hole 31 of the brush stand 14. These receivers 41 are formed of a member harder than the brush stand 14.
[0024]
An insertion hole 42 through which the end of the shaft 32 is inserted is provided in the center of the receiving body 41. A plurality of, for example, four locking claws 43 as fitting projections are provided at substantially equal intervals on the opening edge of the distal end, which is one end of the insertion hole 42. When the tip of each receiving body 41 is fitted to the brush base 14, these locking claw parts 43 are fitted to the respective locking recesses 24 of the brush base 14 and extend in the circumferential direction of the brush base 14. The brush stand 14 is fixed to the shaft 32 while preventing the rotation of the brush stand 14. In other words, the locking claws 43 are hooked and fixed to the locking recesses 24 of the brush stand 14.
[0025]
The locking claw portions 43 protrude along the axial direction, which is the opening direction of the insertion hole 42 of the receiving body 41, and have a cross-sectional shape that matches the locking concave portion 24 of the brush stand 14. Further, when the end of the brush base 14 is fitted to the tip of the receiving body 41, the locking claw parts 43 are fitted in the locking concave parts 24 of the brush base 14 along the axial direction. You. In addition, these locking claw portions 43 regulate the displacement of the brush stand 14 in the rotation direction which is the circumferential direction.
[0026]
Further, an annular inner flange portion 44 protruding along the circumferential direction of the insertion hole 42 of the receiver 41 is formed concentrically on the peripheral surface of the receiver 41 which is the base end of the locking claw portion 43. Is provided. The inner flange 44 moves each locking claw 43 along the axial direction into each locking recess 24 at one end of the brush base 14 to fit the locking claw 43 to one end of the brush base 14. When locked, one end surface of the brush stand 14 comes into contact. Further, the inner flange portion 44 has an outer diameter slightly larger than the maximum outer diameter of the brush stand 14, and prevents the brush member 25 from coming off from the engagement recess 21 of the brush stand 14.
[0027]
An annular outer flange 45 protruding along the circumferential direction of the insertion hole 42 of the receiver 41 is provided concentrically on the peripheral surface of the receiver 41 closer to the distal end than the inner flange 44. ing. On the outer peripheral surface side of the outer flange portion 45, a substantially cylindrical gear portion 47 in which gear grooves 46 are formed at equal intervals in the circumferential direction on the outer peripheral surface is provided concentrically. A substantially cylindrical bearing 48 is fitted inside the front end side of the gear portion 47. The bearing 48 is fitted to the end of the shaft 32 to fix the end of the shaft 32 rotatably. The gear portion 47 of the receiver 41 covers the outer peripheral surface of the bearing 48 to prevent dust and the like from entering the bearing 48. Further, an engagement surface portion 49 having a substantially rectangular shape in a side view is formed on the outer peripheral surface on the distal end side of the bearing 48.
[0028]
Here, a pair of shaft support recesses 51 are formed on each side edge of the floor brush 9 in the running direction of the suction port 12 of the case body 11. Each of the shaft support recesses 51 is engaged with an engagement surface portion 49 of a bearing 48 which is fitted in the gear portion 47 of the receiver 41 and has both ends of the shaft 32 rotatably fixed. As a result, these bearings 48 rotatably support and fix the shaft 32 between the pair of shaft support recesses 51.
[0029]
Further, between the inner flange portion 44 and the outer flange portion 45 of each receiver 41, an annular intermediate flange portion 52 protruding along the circumferential direction of the insertion hole 42 of the receiver 41 is provided concentrically. Have been. The intermediate flange 52 is provided in parallel with each of the inner flange 44 and the outer flange 45. A pin insertion hole 53 is formed in the peripheral surface of the receiver 41 between the intermediate flange 52 and the outer flange 45.
[0030]
This pin insertion hole 53 penetrates along the radial direction of each receiver 41. The pin insertion holes 53 communicate with the pin insertion holes 33 of the shaft 32 in a state where the shaft 32 is inserted through the insertion holes 42 of the receiver 41. The pin insertion holes 53 are aligned with and communicate with the pin insertion holes 33 of the shaft 32, and the elongated cylindrical pins 54 are inserted into the pin insertion holes 33 and 53, and the pin 41 and the receiver 41 are connected to each other. The shaft 32 is connected and fixed to each of the axial direction and the circumferential direction.
[0031]
On the other hand, a motor 61 as a driving means is accommodated in the case body 11 of the floor brush 9 on the rear side of one of the shaft supporting recesses 51. A rotating shaft 62 that rotates by driving the motor 61 protrudes from the tip of the motor 61. A gear 63 having a gear groove (not shown) formed on the outer peripheral surface is concentrically attached to the rotating shaft 62. The gear groove of the gear 63 is formed with the same interval and size as the gear groove 46 of the gear portion 47 of the receiver 41. Further, the gear 63 is located on the rear side of one of the receiving members 41 of the rotating brush 13 mounted in the case body 11 of the floor brush 9 and has a rotation direction coinciding with the rotating direction of the receiving member 41. ing.
[0032]
A belt 64 as an endless adjusting band is wound between the gear 63 and the gear 47 of the receiving member 41 of the rotating brush 13 so as to bridge. On the inner peripheral surface of the belt body 64, a not-shown gear groove having an interval and a size that can be engaged with the gear groove of the gear 63 and the gear groove 46 of the gear portion 47, respectively, is formed. Accordingly, when the motor 61 is driven, the gear 63 is rotated by the rotation of the rotation shaft 62 of the motor 61, and the rotation of the gear 63 rotates the belt body 64, thereby rotating the one receiver 41 of the rotating brush 13. Then, the rotating brush 13 is rotationally driven in the circumferential direction.
[0033]
Next, the cleaning operation of the first embodiment will be described.
[0034]
First, when cleaning, the floor brush 9 is connected to the cleaner body 1 via the hose body 4 and the extension pipe 8. Then, the user holds the grip 7 of the hose body 4 and pushes it to move the floor brush 9 back and forth on the floor surface.
[0035]
At this time, dust on the floor surface is sucked together with air from the suction port 12 of the floor brush 9 by a suction force generated by driving the electric blower 2 in the cleaner body 1.
[0036]
Further, when the predetermined setting button 6 of the manual operation unit 5 of the hose body 4 is turned on and the rotating brush 13 of the floor brush 9 is driven to rotate, the rotation of the brush member 25 of the rotating brush 13 causes this rotation. The floor surface is brushed by the brush bristles 27 of the brush member 25. That is, when the floor surface is between the boards, the dust stuck to the floor surface is swept away from the floor surface, removed and polished, and sucked into the suction port 12 of the floor brush 9.
[0037]
At the same time, dust on the floor surface is swept away by the rotation of the scraping member 15 of the rotating brush 13. That is, when the floor surface is a carpet or the like, the dust that has entered the carpet is scraped out and removed by the scraping portion 16 of the blade 17 of the scraping member 15, and the floor brush 9 It is sucked into the suction port 12.
[0038]
Thereafter, the air sucked together with the dust from the suction port 12 of the floor brush 9 is sucked from the floor brush 9 into the main body suction port 3 of the cleaner body 1 via the extension pipe 8 and the hose body 4 sequentially. Thereafter, the dust sucked into the dust collection pack accommodated in the cleaner body 1 and the dust sucked together with the air is captured.
[0039]
As described above, according to the first embodiment, the scraping members 15 are manufactured together with the brush stand 14 by integral torsion extrusion, and the scraping members 15 are spirally formed on the outer peripheral surface of the brush stand 14. It was made to project in the radial direction while being twisted in a shape. As a result, there is no need for an operation step of attaching the scraping member 15 to the brush base 14, such as inserting the base end side of the scraping member 15 into the engaging recess 21 provided in the brush base 14 and locking the same. Therefore, since the assembly process of the rotating brush 13 can be reduced, the labor and cost for assembling the rotating brush 13 can be reduced, and the manufacturing of the rotating brush 13 can be more easily performed.
[0040]
In particular, since the scraping member 15 and the brush base 14 are manufactured by integral torsion extrusion, after the scraping member 15 is attached to the brush base 14, the brush base 14 and the scraping member 15 are moved in the circumferential direction. There is no need for an operation process such as spirally twisting and fixing. Therefore, the number of steps for assembling the rotating brush 13 can be reduced, and the productivity of the rotating brush 13 can be further improved.
[0041]
Since the brush stand 14 needs to have a certain degree of hardness in order to securely hold the brush member 25, the brush stand 14 is formed of a hard plastic or the like. As a result, the brush member 25 can be securely held by the brush stand 14, and the scraping member 15 can be reliably supported by the brush stand 14. Therefore, by making the brush stand 14 hard to some extent, the cleaning ability of the floor surface by the scraping member 15 and the brush member 25 can be further improved. At the same time, since the scraping member 15 is formed of soft vinyl chloride or the like which is softer than the brush base 14, the floor surface may be damaged by the scraping member 15 coming into contact with the floor surface when the brush base 14 rotates. Sticking and damage can be prevented.
[0042]
Further, engaging recesses 21 which are spirally twisted are provided on the outer peripheral surface of the brush stand 14, and the base end side of the brush member 25 is engaged with these engaging recesses 21, so that these brush members 25 It was configured to be attached to the outer peripheral surface in a spirally twisted state. As a result, a cleaning member that cannot be integrally formed with the brush stand 14 and has a cleaning ability different from that of the scraping member 15, for example, a cleaning member such as a brush member 25 or a floor polishing member formed of a brushed cloth or the like is used. It can be easily attached to the brush stand 14. Therefore, a plurality of types of cleaning members can be attached to the outer peripheral surface of the brush stand 14 as needed, so that the versatility of the rotating brush 13 can be improved, and the cleaning performance of the rotating brush 13 can be further improved.
[0043]
In the first embodiment, the concave engaging recesses 21 are formed on the outer peripheral surface of the brush stand 14, but as in the second embodiment shown in FIG. Alternatively, an engaging member 71 having a concave cross section, which is a separate member from the brush stand 14, may be embedded, and the brush stand 14 and the engaging member 71 may be manufactured by integral extrusion.
[0044]
Specifically, the engaging member 71 has an elongated groove shape that is concave when viewed from the side, and is integrally attached to the inside of each engaging concave portion 21 of the brush stand 14. The engagement member 71 is made of a hard member or material such as plastic that is harder than the brush stand 14. Further, at the center of the front surface side of the engagement member 71, an engagement groove portion 72 forming the base end side of the bulging portion 22 of the engagement concave portion 21 and the communication portion 23 is formed along the longitudinal direction. On the back surface side of the engagement member 71, a concave arc-shaped bottom portion 73 substantially parallel to the peripheral surface portion of the shaft insertion hole 31 is formed.
[0045]
As a result, the brush base 14 and the engaging member 71 are integrally formed so that the engaging member 71 is embedded inside the engaging concave portion 21 of the brush base 14, so that the entire brush base 14 is a hard member. By simply forming a part of the brush base 14 with a hard member without forming the base, the base end side of the brush member 25 engaged with each of the engagement recesses 21 of the brush base 14 can be more reliably formed. Can be engaged and held. Therefore, the cleaning ability of the brush member 25 engaged with each engagement recess 21 of the brush stand 14 can be reliably improved with a simple configuration.
[0046]
Further, in each of the above-described embodiments, the brush base 14 is formed by torsion extrusion. However, after the brush base 14 is extruded and formed so that the engagement recesses 21 are formed linearly, the brush base 14 is twisted. It may be cured. At this time, the brush base 14 in which the engagement recesses 21 are formed in a straight line may be heated in a helically twisted state and subjected to heat shock to maintain the twisted state of the brush base 14. Further, the brush base 14 may be spirally twisted in a V-shape, and the brush base 14 may be provided with a plurality of spiral parts.
[0047]
Furthermore, not only the canister type vacuum cleaner, but also an upright type in which the floor brush 9 is formed directly on the lower surface of the cleaner body 1, and a self-propelled type in which the cleaner body 1 and the floor brush 9 are integrated. And a plurality of rotating brushes 13 may be provided on the floor brush 9. Although the rotating brush 13 is rotated by the motor 61, the rotating brush 13 may be rotated by the intake air of the electric blower 2.
[0048]
Further, the cleaning member is not limited to the brush member 25 and the scraping member 15, but may be a cleaning member such as a floor polishing member having a cloth blade formed of a brushed cloth or the like. Further, although only one type of brush member 25 is engaged with and engaged with each of the engagement recesses 21 of the brush stand 14, a plurality of types of cleaning members may be attached.
[0049]
【The invention's effect】
According to the present invention, the first cleaning member is attached to the mounting member by twisting and forming the first cleaning member together with the mounting member in the circumferential direction using a member different from the mounting member. Since the number of steps can be eliminated, the number of assembling steps can be reduced, and the manufacturing can be further facilitated.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a part of a first embodiment of a rotary cleaning body of the present invention.
FIG. 2 is a vertical cross-sectional view showing a suction port body provided with the rotary cleaning body.
FIG. 3 is a partially cutaway top view showing the suction port body.
FIG. 4 is a perspective view showing a vacuum cleaner provided with the suction port body according to the first embodiment;
FIG. 5 is a longitudinal sectional view showing a part of a rotary cleaning body according to a second embodiment of the present invention.
[Explanation of symbols]
9 Floor brush 11 as suction body of vacuum cleaner 11 Case body 12 Suction port 13 Rotating brush 14 as rotating cleaning body Brush base 15 as mounting member Scrape member 21 as first cleaning member 21 as cleaning groove Joint recess 25 Brush member as polishing member as second cleaning member

Claims (5)

A substantially cylindrical mounting member,
A first member, which protrudes from the outer peripheral surface of the mounting member in the axial direction and in the radial direction along the axial direction, and is integrally formed by being spirally twisted in a circumferential direction together with the mounting member by a member different from the mounting member. A rotary cleaning body comprising a cleaning member. The rotary cleaning body according to claim 1, wherein the mounting member is harder than the cleaning member. The mounting member is provided along the axial direction on the outer peripheral surface of the mounting member, and includes a mounting groove that is spirally twisted in the circumferential direction.
A second cleaning member is provided, the base end side of which is locked in the mounting groove, and which is spirally twisted in the circumferential direction along the axial direction on the outer peripheral surface of the mounting member and mounted so as to protrude in the radial direction. The rotary cleaning body according to claim 1, wherein the cleaning body is a rotary cleaning body. The first cleaning member is a scraping member,
The rotary cleaning body according to claim 3, wherein the second cleaning member is a polishing member. A case body having an inlet opening on the lower surface facing the surface to be cleaned,
A suction port body for a vacuum cleaner, comprising the case body and the rotary cleaning body according to any one of claims 1 to 4 rotatably supported so as to face the surface to be cleaned.

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