JP3299446B2 - Rotary cleaning body and vacuum cleaner suction body - 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 cleaning member provided with a scraping member and a floor polishing member, and a suction port of a vacuum cleaner provided with the rotary cleaning member.

[0002]

2. Description of the Related Art Conventionally, an electric cleaning device provided with a rotary cleaning member in which a plurality of blade portions formed of a soft member such as rubber in the form of a spiral wall in the axial direction on a peripheral surface of an elongated columnar shaft member and a plurality of blade portions are in contact with each other. Machine suction bodies are known.

[0003] However, in the case of a rotary cleaning body provided with only the blade portion, the efficiency of scraping out dust is good and the cleaning performance is improved when cleaning a carpet or the like. They do not have the function of sweeping dust while polishing the floor between plates, such as a mop, so that the cleaning performance is not good.

[0004] Therefore, on the outer peripheral surface of the elongated columnar shaft member, a blade portion formed of a soft member such as rubber as a scraping member and a belt-like fabric as a floor polishing member are formed in a substantially band shape. And a rotating cleaning body in which a pair of the cloth blades are provided in a spiral wall shape in the axial direction of the shaft member.

[0005]

However, although both a blade portion made of rubber and the like and a fabric blade portion are provided so as to be able to cope with both a board and a carpet, an effect of scraping a carpet can be obtained with the fabric blade portion. Because there is no
It is undeniable that the cleanability of the carpet is reduced.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and provides a rotary cleaning body for improving the cleaning performance of a cloth floor polishing member on a carpet, and a suction port of a vacuum cleaner provided with the rotary cleaning body. The purpose is to provide.

[0007]

According to a first aspect of the present invention, there is provided a rotary cleaning body, comprising: a slender column-shaped shaft member; and a cloth floor polishing member protruding from an outer peripheral surface of the shaft member along a substantially radial direction in a wall shape. A member and a weight provided at the front end of the floor polishing member on the back surface opposite to the rotation direction of the shaft member, and substantially radially on the outer peripheral surface of the shaft member. At the tip of the floor polishing member protruding in the shape of a wall, the weight portion is provided on the back surface opposite to the rotation direction of the shaft member, so that the original floor polishing action by the floor polishing member is obtained between the plates, Since the tip of the floor polishing member that rotates with the rotation of the shaft member is hit against the surface to be cleaned by the inertia of the weight portion due to the rotation, a dusting action can be obtained particularly for carpets. Moreover, since the weight portion is provided on the back surface of the floor polishing member, it does not directly contact between the plates and the like, so that there is no damage between the plates and the like.

According to a second aspect of the present invention, there is provided a rotary cleaning body, comprising: a slender column-shaped shaft member; a cloth floor polishing member protruding from an outer peripheral surface of the shaft member along a substantially radial direction in a wall shape; A weight provided at a position where the tip of the member does not come into direct contact with the surface to be cleaned when the shaft is rotated, is provided on the outer peripheral surface of the shaft in a wall shape along a substantially radial direction. At the tip of the floor polishing member, a weight portion is provided at a position that does not directly contact the surface to be cleaned when the shaft member rotates, so that the original floor polishing action by the floor polishing member can be obtained between the plates, and with the rotation of the shaft member. Since the tip of the rotating floor polishing member is hit against the surface to be cleaned by the inertia of the weight portion due to the rotation, especially in the case of carpets, a dusting action is obtained, and even when the shaft member is reversely rotated as necessary, the weight is reduced. Parts do not come into contact with a substantially smooth surface to be cleaned, for example, between plates. There is no possibility to damage the surface to be cleaned.

The suction opening of the vacuum cleaner according to claim 3 is
A main body case for opening the inlet to the lower surface, claim 1 or is rotatably supported to face the suction port in the main body case
Others a rotary cleaning body 2, wherein provided in the main body case which was provided with a driving means for rotating the rotary cleaning body, the driving means facing the suction port to the main body case for opening the inlet to the lower surface The rotating cleaning body according to claim 1 or 2 is rotatably supported by the rotating member, so that the original floor polishing action by the floor polishing member and the tip of the floor polishing member that rotates with the rotation of the shaft member are caused by rotation. Due to the inertia of the weight portion, both the action of scraping out dust by being hit against the surface to be cleaned is obtained particularly with a carpet, and efficient cleaning can be performed regardless of the type of floor surface.

The suction body of the vacuum cleaner according to claim 4 is
A main body case with an opening on the lower surface and this main body case
An auxiliary wheel protruding from the lower surface of the
Rotatably supported by the elongated columnar shaft member facing the plug mouth,
Formed by a cloth floor polishing member protruding in a wall shape along a substantially radial direction on an outer peripheral surface of the shaft member , and a lower edge of the auxiliary wheel.
Which was equipped with a rotary cleaning body provided with a weight portion having provided with irregularities in the axial front side of the rotational direction of the member to the tip portion of the YukaMigaku member is above the plane which is, the body case
A lower end of an auxiliary wheel protruding from a lower surface of a main body case at a tip end of a floor polishing member protruding in a wall shape along a substantially radial direction on an outer peripheral surface of a shaft member rotatably supported facing a suction port. At the edge
Since the plane formed digits set the unevenness of the weight at the front side of the rotational direction of the shaft member is a top, together with the original floor polish action by YukaMigaku member between the plates is obtained, rotates with the rotation of the shaft member Because the tip of the floor polishing member to be smashed against the surface to be cleaned by the inertia of the weight portion due to rotation, the action of scraping out dust is obtained, especially on a carpet, and the weight portion is rotated even when the shaft member is reversely rotated as necessary. For example, the surface to be cleaned is prevented from being damaged without contacting a substantially smooth surface to be cleaned, for example, between plates.For example, on a surface to be cleaned such as a carpet, an action of scraping out dust of the carpet that has entered due to the unevenness of the front surface of the weight portion. improves.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a suction port of a vacuum cleaner having a rotary cleaning member according to the present invention will be described below with reference to the drawings.

In FIG. 3, reference numeral 1 denotes a suction port main body which is oblong in the traveling direction. The suction port main body 1 has a lower main body case 2 and an upper main body case 3 which is fixedly connected to an upper portion of the lower main body case 2. Have a rectangular main body case 5 which is joined by sandwiching the bumper 4 along the peripheral surface including the front surfaces of the lower main body case 2 and the upper main body case 3.

Further, on the lower surface of the upper surface and the upper main case 3 of the lower casing 2, the rib portions 7 substantially vertically are formed. A laterally long suction chamber 8 is formed in the front side, which is the traveling direction side, by the ribs 7, 7, in a substantially horizontal direction, and an air passage chamber 9 communicating with the suction chamber 8 substantially at the rear center. An electric motor room 10 located at one end of the air passage chamber 9 and a control room 11 located at the other end of the air passage chamber 9 are defined. In addition, a suction port 12 is formed in the lower surface of the suction port main body 1 facing the floor surface to be cleaned, which is located on the lower surface of the suction chamber 8.

Further, a communication pipe 14 is attached to the rear center of the suction port main body 1 by a rotation shaft 15 so as to be rotatable at a predetermined vertical angle. The communication pipe 14 has a front end rotatably fitted inside the air passage chamber 9 and faces a substantially central portion of the suction chamber 8. The communication pipe 14 communicates with the suction chamber 8 via the air passage chamber 9. I do. On the other hand, the rear end of the communication pipe 14 protrudes rearward and outward from the suction port main body 1, and the front end of the bent connection pipe 16 is rotatably fitted to the rear end. This connection pipe 16
It is detachably connected to a hose via an extension tube (not shown), and further connected to a vacuum cleaner main body (not shown). The suction chamber 8 is communicated with the dust collecting chamber of the main body of the electric vacuum cleaner through the air passage chamber 9, the communication pipe 14, the connection pipe 16, an extension pipe (not shown) and a hose.

Auxiliary wheels 18, 18 project from the lower surface of the lower body case 2 on both front and rear sides of the suction port main body 1 so as to be rotatably supported, respectively. 18 makes it possible to run on the floor.

On the other hand, a rotary cleaning body 21 is provided in the suction chamber 8. Then, the rotary cleaning body 21 is shown in FIGS.
As shown in FIG. 5, a shaft member 23 is formed by insert molding or the like in a substantially elongated column shape provided with a plurality of spiral grooves 22 in the axial direction on the peripheral surface of, for example, an aluminum alloy.
The groove portion 22 is formed in a substantially groove-shaped concave shape having a wide cross section, and is provided in a radial direction of the shaft member 23. Further, in the groove 22 of the shaft member 23, a cloth blade part 26 as a floor polishing member made of, for example, a cloth having flexibility and a raised surface 25 on one side, and a flexible, for example, made of soft vinyl chloride. Double blade portions 27 as a scraping member having a substantially Y-shaped cross section are alternately positioned in pairs in the radial direction, and are mounted on the outer peripheral surface of the shaft member 23 in a substantially radial wall shape and spiral in the axial direction. It is projected.

The cloth blade portion 26 is formed, for example, on one side edge in the longitudinal direction of an elongated plate-like raised cloth 29 made of polyester and having a raised surface 25 on one side thereof.
A pedestal portion 30 made of soft vinyl chloride that can be engaged with 22 is formed thick. Also, the double blade section 27
For example, it has a pair of plate portions 33 in which a scraping portion 32 protruding along the longitudinal direction is provided on both surfaces on one side in the longitudinal direction in the shape of a slender plate made of soft vinyl chloride, and has an uneven cross section. The edges are joined to form a substantially V-shaped cross section.
A pedestal portion 30 made of soft vinyl chloride and having substantially the same shape as the cross section of FIG. And the shaft member of the cloth blade portion 26
The length dimension protruding from 23 is set longer than the length dimension protruding from shaft member 23 of double blade portion 27. Further, only the tip end of the cloth blade portion 26 projects below a plane formed by the lower edges of the front and rear auxiliary wheels 18 and 18 of the suction port main body 1, and when the surface to be cleaned is between the plates, the cloth blade portion 26 The flooring effect of floor polishing is obtained by contacting only the tip part, and the tip part of the double blade part 27 does not contact between the plates, but comes into contact with the uneven surface of the carpet or the like to sweep out dust. Is obtained.

The tip of the cloth blade section 26 has a raised brush.
A weight 35 formed in an elongated rod shape with, for example, soft vinyl chloride is attached by an adhesive or the like on the back surface on the side where 25 is not provided.

A pulley 37 is integrally provided at one end of the shaft member 23 in the axial direction. Further, bearings 39 are provided at both ends of the shaft member 23 so as to be engaged with a shaft support 38 provided in the main body case 5. Then, the bearing 39 is engaged with the shaft support portion 38, and the rotary cleaning body 21 is rotatably supported by the main body case 5.

Further, it projects toward the floor from the lower part of the front surface of the suction port main body 1 to improve the airtightness of the suction chamber 8 and to improve the dust collecting property of the wall near the wall. A seal lip 41 is provided.

On the other hand, the motor room 10 is provided with a motor 43 as a driving means for rotating the rotary cleaning body 21.
An endless belt 44 for transmitting power is stretched around a pulley 43a fixed to an output shaft (not shown) of the electric motor 43 and a pulley 37 integrally formed at one end of the rotary cleaning body 21. The direction of rotation of the rotary cleaning body 21 is set so that the surface of the cloth blade portion 26 on which the raised portion 25 on which the weight portion 35 is not provided is in contact with the floor surface. .

The control room 11 is provided with a floor detecting means (not shown) for detecting the floor, and controls the driving of the electric motor 43 by detecting the floor by the floor detecting means. A control means 45 constituted by a circuit board 45a on which a circuit is mounted is provided.

Next, the operation of the above embodiment will be described.

When performing cleaning, the suction port main body 1 is connected to a vacuum cleaner main body (not shown) via a hose and an extension pipe. Next, the hose is pushed while grasping the end of the hose on the extension pipe side, and the suction port main body 1 is moved back and forth on the floor surface.

First, a floor surface detecting means (not shown) detects the floor surface by placing the suction port main body 1 on the floor surface.
In response to this detection, the control means 45 causes the electric motor 43 to rotate in a predetermined direction, and causes the rotary cleaning body 21 to move in a predetermined direction together with the pulley 37 via the belt 44, that is, the brush 25 of the cloth blade portion 26 of the rotary cleaning body 21. Is rotated in the direction of the surface on which the is provided.

When the floor surface is between the plates, only the cloth blade portion 26 comes into contact so as to wipe the space between the plates to polish the floor and to sweep away dust. When the floor has irregularities such as a tatami mat or a carpet, the double blade portion 27 lifts and scratches the dust as if hitting and scratching the floor.

By the way, at the tip of the cloth blade 26,
Since the weight portion 35 is provided, a force is exerted on the cloth blade portion 26 so as to be stretched outward by a rotational moment caused by the rotation of the rotary cleaning body 21. For this reason, when the floor surface is uneven such as a tatami mat or a carpet, the tip of the cloth blade portion 26, like the double blade portion 27, makes the dust emerge so as to be hit and scratch the floor surface, and the dust is removed. Scrape off. In addition, since the weight portion 35 is provided on the back side opposite to the rotation direction of the rotary cleaning body 21, the weight portion 35 does not contact the floor surface, and the weight portion 35 does not contact the floor surface. It is possible to prevent generation of noise and damage such as damaging the floor surface.

In this way, the dust sucked into the suction chamber 8 from the floor surface through the suction port 12 is transferred to the air passage chamber 9 and the communication pipe 1.
4. Dust is collected in the dust collecting chamber of the vacuum cleaner main body through the connecting pipe 16, the extension pipe and the hose.

Therefore, according to the above-described embodiment, since the weight 35 is provided at the front end of the cloth blade portion 26 on the back side opposite to the rotation direction of the shaft member 23, damage to the floor surface and noise reduction are provided. While preventing generation, sufficient dust can be scraped out and floor polishing can be performed.

Although the above embodiment has been described with the double blade portion 27 provided, for example, as shown in FIG. 5, the blade portion 51 having only one plate portion 33 provided on the pedestal portion 30 is provided.
May be used. Further, as shown in FIG. 6, for example, the cloth blade portion 26 provided with the weight portion 35 alone can sufficiently scrape out dust such as a carpet without using the blade portion 51.

Next, another embodiment of the rotary cleaning body of the present invention will be described with reference to FIGS.

The embodiment shown in FIG. 7 and FIG.
In the embodiment shown in FIGS. 1 to 4, instead of the double blade portion 27, a blade portion 51 having only one plate portion 33 similar to that of the embodiment shown in FIG. Is provided at a position where it does not come into contact with a substantially smooth surface to be cleaned, such as between the plates.

That is, in the vicinity of the tip of the cloth blade portion 26, the back side on which the raised portion 25 is not provided, and
A weight 35 formed of, for example, an elongated rod made of soft vinyl chloride is attached to a position not in contact with a substantially smooth surface to be cleaned, such as between the plates, with an adhesive or the like.

Further, at a position opposite to the weight portion 35, that is, at a front surface on the side where the raised portions 25 are provided, and at a position not in contact with a substantially smooth surface to be cleaned such as between the plates, for example, soft vinyl chloride is used. A scraping weight portion 55 as a weight portion formed in an elongated rod shape is attached with an adhesive or the like. The tip surface of the scraping weight portion 55, which is the front surface in the direction in which the cloth blade portion 26 protrudes from the raising fabric 29, extends in the longitudinal direction similarly to the scraping portion 32 provided on the plate portion 33 of the blade portion 51. It has a scraping portion 56 which protrudes along and is provided with irregularities provided in an irregular shape in cross section.

When cleaning, these cloth blades
When the rotary cleaning body 61 provided with the blade 26 and the blade part 51 is rotated, the weight part 35 is provided at the distal end portion, and the rotation of the rotary cleaning body 61 is performed similarly to the embodiment shown in FIGS. 1 to 4. When the floor surface is uneven such as a tatami mat or a carpet, the tip of the cloth blade part 26 is Similarly, the dust can be lifted and the dust can be scraped off by striking the floor. Further, at the tip end of the scraping weight portion 55 provided on the rotation direction side of the cloth blade portion 26, since the uneven scraping portion 56 is provided like the blade portion 51, the scraping portion 56 is Dust can be efficiently scraped off, and the cleanability is further improved.
Since the weight portion 35 and the scraping weight portion 55 are provided at positions not in contact with a substantially smooth floor surface such as between the plates, the rotating cleaning body 61 is moved in a direction opposite to the traveling direction of the suction port main body 1. Even if it is possible to reverse the rotation, both sides do not contact the floor surface, it is possible to prevent the generation of noise due to the contact with the floor surface and damage such as damaging the floor surface, and to further improve the cleaning performance by reversing the rotary cleaning body 61. Improvement can be achieved.

In the configuration shown in FIGS. 7 and 8, it is also possible to provide only the scraping weight portion 55 having the scraping portion 56 without providing the weight portion 35. Further, scraping weight portions 55 may be provided on both surfaces of the cloth blade portion 26. With the configuration in which the scraping weight portions 55 are provided on both surfaces, even when the rotary cleaning body 61 is inverted, the same excellent dust scraping as in the case of normal rotation can be performed. In addition, a raised cloth provided with raised 25 on both sides as a cloth blade portion 26
By using 29, sufficient floor polishing can be performed even when the rotary cleaning body 61 is inverted.

Next, still another embodiment of the rotary cleaning body of the present invention will be described with reference to FIG.

The embodiment shown in FIG. 9 is similar to the embodiment shown in FIGS.
29 is folded in half so that the side on which the raised 25 is provided is the outer surface side, and the weight 35 is sandwiched by this folded portion and joined with, for example, an adhesive, so that the weight 35
It is covered with 29 so that it does not directly contact the floor.

In the configuration shown in FIG. 9, when cleaning a carpet or the like, the scraping portion is used as in the embodiment shown in FIGS. 7 and 8.
Since there is no 56, the scraping property of dust is slightly reduced, but even if the rotary cleaning body 66 provided with a cloth blade portion 65 as a floor polishing member in a shape obtained by folding the raised cloth 29 is rotated forward and reverse, it can be used as a carpet. There is no danger that the weight portion 35 will come off the raised fabric 29 due to contact with the carpet without contact. Furthermore, at the time of manufacture, there is no need to position and attach the carpet to a position where it does not come into contact with the carpet but does not come into contact with the carpet, and it can be easily formed.

In each of the above embodiments, the rotary cleaning members 21, 61, 66 are used as transmission means and rotated by the rotation of the electric motor 43 via the belt 44. However, gears and the like are driven by meshing. You can.

Further, the present invention is not limited to the canister-type vacuum cleaner, but may be an upright type in which the suction main body 1 is formed directly on the lower surface of the vacuum cleaner main body. It can also be applied to a self-propelled vacuum cleaner and the like.

[0042]

According to the rotary cleaning body of the first aspect, the tip of the floor polishing member protruding from the outer peripheral surface of the shaft member in a wall shape substantially in the radial direction is opposite to the rotation direction of the shaft member. Since the weight portion is located on the back side of the side, the original floor polishing action by the floor polishing member is obtained between the plates, and the tip of the floor polishing member that rotates with the rotation of the shaft member has the inertia of the weight portion due to rotation. The surface is slammed against the surface to be cleaned, and the effect of scraping out dust on the carpet is obtained, and the cleanability can be improved. In addition, since the weight is provided on the back of the floor polishing member, it does not directly contact between the plates. There is no damage between the boards.

According to the rotary cleaning body of the second aspect, the tip of the floor polishing member protruding from the outer peripheral surface of the shaft member in a wall shape substantially in the radial direction, and the surface to be cleaned when the shaft member rotates. Since the weight portion is provided at a position where it does not directly contact, the original floor polishing effect of the floor polishing member is obtained between the plates, and the tip of the floor polishing member that rotates with the rotation of the shaft member reduces the inertia of the weight portion due to rotation. In particular, the action of scraping out dust on the carpet can be obtained by being hit against the surface to be cleaned, and even when the shaft member is rotated in the reverse direction as necessary, the weight portion can contact a substantially smooth surface to be cleaned, for example, between plates. In addition, damage to the surface to be cleaned and noise can be prevented, and the cleanability can be improved.

According to a third aspect of the present invention, in the rotary cleaner according to the first or second aspect, the main body case, which has the suction port opened on the lower surface, is rotated by the drive means facing the suction port. Because the body is rotatably supported, the floor polishing member that rotates with the rotation of the shaft member and the tip of the floor polishing member that rotates with the rotation of the shaft member, due to the inertia of the weight portion due to rotation, especially on carpets Both the dusting action and the dusting action can be obtained by being hit, and efficient cleaning can be performed regardless of the type of floor surface.

According to the suction port body of the vacuum cleaner according to the fourth aspect , the main body case is rotatably supported so as to face the suction port.
An auxiliary member protruding from the lower surface of the main body case at the tip of a floor polishing member protruding in a wall shape substantially along the radial direction on the outer peripheral surface of the shaft member.
For the unevenness of the weight at the front side of the rotational direction of the shaft member is above the plane formed by the lower edge of the wheel digits set, along with the original floor polish action by YukaMigaku member between the plates is obtained, the shaft member The tip of the floor polishing member that rotates with the rotation of the floor is slammed against the surface to be cleaned by the inertia of the weight portion due to the rotation, and the action of scraping out dust especially on the carpet is obtained, and the shaft member is rotated in reverse if necessary. Even when the weight is made, the weight does not come into contact with a substantially smooth surface to be cleaned, for example, between the plates, so that damage to the surface to be cleaned and noise can be prevented. The action of scraping out dust from the carpet can be improved, and the cleanability can be improved.

[Brief description of the drawings]

FIG. 1 is a sectional view showing one embodiment of a rotary cleaning body of the present invention.

FIG. 2 is a perspective view of the same.

FIG. 3 is a partially cutaway perspective view showing the cloth blade part.

FIG. 4 is a partially cutaway plan view showing a suction port main body accommodating the rotary cleaning body.

FIG. 5 is a cross-sectional view illustrating a rotary cleaning body according to another embodiment of the present invention.

FIG. 6 is a sectional view showing a rotary cleaning body according to still another embodiment of the present invention.

FIG. 7 is a sectional view showing a rotary cleaning body according to still another embodiment of the present invention.

FIG. 8 is a partially cutaway perspective view showing the cloth blade part.

FIG. 9 is a sectional view showing a rotary cleaning body according to still another embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Suction port main body 5 Body case 12 Suction port 18 Auxiliary wheel 21, 61, 66 Rotary cleaning body 23 Shaft member 26, 65 Cloth blade portion as floor polishing member 35 Weight portion 43 Electric motor 55 as driving means 55 Scrape as weight portion Protruding weight part 56

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A47L 9/04

Claims (4)

(57) [Claims] 1. An elongated columnar shaft member, a cloth floor polishing member protruding from an outer peripheral surface of the shaft member in a wall shape along a substantially radial direction, and the shaft member at a tip end of the floor polishing member. And a weight provided on the back surface opposite to the rotation direction of the rotary cleaning member. 2. An elongated column-shaped shaft member, a cloth floor polishing member protruding in a wall shape along a substantially radial direction on an outer peripheral surface of the shaft member, and the shaft member at a tip end of the floor polishing member. And a weight provided at a position that does not directly contact the surface to be cleaned when rotating. 3. A main body case having a suction opening on a lower surface thereof , the rotary cleaning body according to claim 1 or 2 rotatably supported by the main body case so as to face the suction port, and provided on the main body case. And a driving means for rotating the rotary cleaning body. 4. A main body case having an inlet opening on a lower surface thereof, an auxiliary wheel protruding from the lower surface of the main body case, and a rotatably supported pivotally supporting the main body case facing the suction opening.
The elongated columnar shank member, cloth YukaMigaku member projecting from the wall shape along the substantially radial direction on the outer peripheral surface of the shaft member, and the
Weight with set <br/> eclipse was uneven in front side in the rotational direction of the shaft member to the distal end of the <br/> YukaMigaku member is above the plane formed by the lower edge of the auxiliary wheel suction port body of the electric vacuum cleaner, characterized in that part equipped with a rotary cleaning body provided with a.