JP2518971B2 - Surface cleaning equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to an apparatus for cleaning a substantially smooth surface such as a glass surface or a wall surface.

[0002]

BACKGROUND ART It is necessary to perform periodic cleaning because suspended particulate matter such as dust and soot adheres to surfaces of buildings such as window glass and walls exposed to the outside air. Conventionally, such cleaning work is generally performed manually, and for example, it is necessary to perform a series of operations such as spraying a cleaning liquid and wiping with a wiper in sequence, and it is particularly easy to perform such a work on a vertical surface. It wasn't. In addition, there is a danger especially when cleaning the walls of high places. Furthermore, no measures such as purification treatment of the cleaning liquid after surface cleaning have been taken.
Therefore, there is a need for an apparatus that can clean the surface without manual labor.

On the other hand, when it is necessary to completely clean the surface such as the lens surface of an optical machine, conventionally, the entire object to be cleaned is put in a container filled with a cleaning liquid such as water or detergent and cleaned. Things are being done. However, in this method, since it is necessary to put the entire object to be cleaned in the cleaning container, parts other than the surface to be cleaned also come into contact with the cleaning liquid, so that only a limited object can be cleaned. Improvement was desired.

[0004]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a surface cleaning apparatus capable of cleaning a surface without manual operation and capable of post- processing a fluid used for cleaning. To aim.
Another object of the present invention is to provide a surface cleaning apparatus capable of completely cleaning the surface of various objects regardless of the shape of the object including the surface to be cleaned. The invention also
For other purposes, do not move the cleaning device relative to the surface to be cleaned.
Provide a surface cleaning device capable of performing a cleaning operation
Is Rukoto.

[0005]

The surface cleaning apparatus according to the present invention comprises space defining means for holding a fluid in close contact with at least a part of a surface to be cleaned of an object, and a working fluid introduced into the holding space. And a dispersing means for dispersing the adhered substance on the surface to be cleaned in the working fluid introduced into the holding space. Space definition means
Is a wide elastic band with an outer surface
And can contact the surface to be cleaned,
Each part has an annular shape so that the contactable parts move sequentially.
The annular band capable of rotational movement moving along a path,
The annular belt is rotatably supported and is further washed.
The shape of the contact surface of the annular band with respect to the clean surface becomes concave
Of the contacted surface and the annular band located inside the concave mold
While defining the holding space with a portion of the outer surface,
In front of the annulus so that the annulus is capable of the rotational movement.
Guide supporting means for supporting the surface to be cleaned so that it can be crimped.
The guide support means to move the outer surface of the annular band forward.
The holding space is formed by pressing the surface to be cleaned.
And the holding space is moved relative to the surface to be cleaned.
By operating the dispersing means while moving
It is possible to clean the surface to be cleaned.

[0006]

According to the present invention, the deposits on the surface to be cleaned are dispersed in the working fluid held by the means for adhering to at least a part of the surface to be cleaned . Wash again
The surface can be cleaned while moving the equipment.
Because the size of the surface using a cleaning device Without being limited and can be cleaned like the wall of a building. Further, it is possible to prevent the working fluid from coming into contact with a portion other than the surface to be cleaned, and various cleaning methods such as cleaning the optical surface of the optical machine become possible.

[0007]

1 is a perspective view showing a main part of an embodiment of a surface cleaning apparatus according to the present invention. As shown, the surface cleaning apparatus in this embodiment has a cleaning head generally designated by the reference numeral 10. The cleaning head 10 has four inner guide rollers 12, 13, 14, 15 of equal length, and a wide annular belt 11 is wound around the guide rollers 12-15. Belt 11 is made of natural rubber, SBR, NBR
Composed of synthetic rubber. An elastic polymer material such as polyurethane foam may be used as the material of the belt 11.
The inner guide rollers 12-15 are rotatably provided around respective central axes that are parallel to each other, and the central axes are arranged so as to be located at the respective apexes of the trapezoid in the planes orthogonal to each other. Also, the inner guide roller 1 at the rear
The distance between the inner side guide rollers 12 and 13 and the front side inner guide rollers 12 and 13 is adjustable, and with such a structure, the belt 11 is applied with a tension to spread it from the inside by the guide rollers 12-15.

Between the front inner guide rollers 12 and 13, a pair of outer guide rollers 16 and 17 are provided.
Is arranged to contact the outer surface of the. The central axes of the outer guide rollers 16 and 17 are the inner guide rollers 12.
, 13 are parallel to the central axes of the outer guide rollers 16 and 17, and the front surfaces of the outer guide rollers 16 and 17 are located rearward of the front end surfaces of the portions of the belt 11 supported by the inner guide rollers 12 and 13. Further, the outer guide rollers 16 and 17
The lower end of the belt is located above the lower edge of the belt 11.

The inner guide rollers 12 and 13 have a larger diameter than the rear inner guide rollers 14 and 15 and are made of an elastic material such as rubber. Therefore, for example, when a pressing force is applied from the front side of FIG. 1 via the surface of the belt 11, the belt 11 can be slightly deformed. A plurality of shorter inner guide rollers 1 are provided on the line connecting the lower ends of the inner guide rollers 12 and 13.
8-22 are arranged and are in linear contact with the lower end of the inner surface of the belt 11.

The lower edge portion of the belt 11 is formed so that the elastic compliance is smaller than that of the other portions, that is, the deformation due to stress is small. Due to this characteristic, the front surface of the lower end portion of the belt 11 guided by the guide rollers 12-15 and 18-22 is the outer guide roller 1
Even when the pressing force of 6, 17 is received, it is kept linear.

With the above construction, as shown in FIG. 1, the front surface of the belt 11 is, for example, the surface to be cleaned 1 of the glass plate 100.
When pressed onto 01, the surface of the belt 11 and the glass plate 100
A space having a trapezoidal horizontal cross section and a closed space, that is, a holding space S, is formed between the cleaning surface 101 and the cleaning surface 101.
The front surface of the belt 11 and the surface 10 to be cleaned of the glass plate 100
The contact surface with 1 has a shape as shown by the double diagonal line in FIG.
It FIG. 2 shows an example in which only the front inner guide rollers 12 and 13 are used as the guide means inside the belt 11. In this example, in order to reduce the elastic compliance of the lower end portion of the belt 11 as described above, a convex portion having a linear chevron cross section is formed at the inner lower edge portion of the belt 11. FIG. 2 shows a state in which the lower edge of the belt 11 is cut open in order to show such a convex portion. Inner guide roller 12
V-shaped grooves are provided on the lower ends of the guide rollers 13 and 13 and on the circumference of the guide rollers 18-22, and the convex portions on the inside of the belt 11 are arranged along these grooves to prevent the guide rollers and the belt 11 from being displaced in the height direction. It becomes possible to do. The belt 11
Instead of forming the convex portion on the belt 11, a method of sticking a layer containing non-stretchable fibers on the inner side of the lower edge portion of the belt 11 or a method of changing the thickness or material of the lower edge portion of the belt 11 may be used. .

Further, in the mechanism for rotatably supporting the outer guide rollers 16 and 17, the retreat distance D of the belt 11 and the height H of the lower ends of the guide rollers 16 and 17 with respect to the lower edge of the belt 11 can be adjusted. Can be configured to. For such adjustment, a structure including a rack, a pinion gear, and a gear driving motor can be used as a support mechanism for the outer guide rollers 16 and 17.

3 and 4 show the belt 11 shown in FIG.
FIG. 6 is a plan view showing a close contact state with respect to the surface to be cleaned. FIG.
As shown in FIG. 2, the upper part of the belt 11 is in close contact with the surface to be cleaned at two places on the left and right, and even if the belt 11 rotates and moves from the left direction L to the right direction R, the belt 11 and the surface to be cleaned are The space between them is maintained. On the other hand, as shown in FIG.
Even if it moves in the leftward direction L and the rightward direction R, its lower edge portion maintains a close contact with the surface to be cleaned. The surface with which the belt 11 adheres is not limited to a flat surface, and the inner guide rollers 12 and 1
It is obvious that a linear curved surface having a central axis of curvature parallel to the rotation axis of 3 may be used.

In the structure shown in FIGS. 1 and 2, it is also possible to use guide rails arranged in the horizontal direction in place of the plurality of short inner guide rollers 18-22. Furthermore, the holding space S is formed by a method of disposing an inner guide roller between the outer guide rollers 16 and 17.
It is also possible to divide into two and to form two or more holding spaces at the same time by the surface of the belt 11.

The embodiment will be further described with reference to FIG. 1 again. A pump / filter unit 23 is arranged at a position surrounded by the belt 11 and a plurality of guide rollers that form the holding space S, and further, a supply pipe 24 and a discharge pipe 25 that connect the inside and the holding space. Is provided. In this embodiment, the supply pipe 24 and the discharge pipe 25 also serve as the rotating shafts of the outer guide rollers 16 and 17, and the guide rollers 16 and 1 are centered on the straight line portion inserted into the holding space of the pipes 24 and 25.
7 is rotatably arranged.

The guide roller 1 for the pipes 24 and 25
Openings 24a are provided at the tip portions located at the lower end portions of 6 and 17.
And 25a are provided respectively. Not limited to this example, the supply pipe and the discharge pipe may be the outer guide roller 16
It goes without saying that they may be provided separately from the rotation center axes of 17 and 17. For example, the supply pipe may be arranged above the holding space S, and the rotation center shafts of the outer guide rollers 16 and 17 may both be used as the discharge pipe.

Next, the outer guide roller 1 in the holding space S
A flat plate vibration unit 26 is provided between 6 and 17 as a dispersion means at a position where it does not contact the belt 11.
The vibration unit 26 uses a bimorph PZT piezoelectric ceramic vibrator 27.
Is arranged parallel to the surface including the central axes of the inner guide rollers 12 and 13 so as to form a constant gap with the surface 101 to be cleaned in the holding space S. A reflecting plate 28 made of stainless steel and having a U-shaped cross section is disposed behind the piezoelectric ceramic vibrator 27. The piezoelectric ceramic vibrator 27 and the reflection plate 28 are fixed to the base block 29.

A water level sensor 30 is inserted near the outer guide roller 16 in the holding space S. The inner guide rollers 12 to 15, the pump / filter unit 23,
Each of the vibration unit 26 and the water level sensor 30 includes the belt 11
Is connected to a drive unit (not shown) arranged at the rear of the. In the above-described configuration, the pump / filter unit 23 supplies a cleaning liquid such as water, a neutral detergent solution, or an alcohol solution into the holding space S via the supply pipe 24, and also via the discharge pipe 25 to the pump / filter unit. Reflux into 23. Further, the water level of the cleaning liquid in the holding space S is kept constant according to the output signal of the water level sensor 30. In this way, the cleaning liquid in the holding space S is pumped
It circulates with the filter unit 23.

When a drive voltage having a frequency of, for example, about 30 kHz according to the resonance frequency is applied to the vibration unit 26, the piezoelectric ceramic vibrator 27 vibrates in the cleaning liquid, and the vibration acts on the cleaning liquid in the holding space S. By the propagation, cleaning effect such as cavitation effect occurs,
Fine particles such as dust and smoke attached to the surface to be cleaned 101 are separated from the surface to be cleaned 101 and dispersed in the cleaning liquid. The energy required to generate the cavitation effect is inversely proportional to the excitation frequency, and an audible sound is generated at a frequency of 20 kHz or less. Therefore, it is preferable to appropriately select the vibration frequency of the vibration unit 26 according to the usage conditions of the device. .

FIG. 5 shows an example of the structure of the pump / filter unit 23. In the figure, the pump / filter unit 23 has a storage tank 31 holding a cleaning liquid.
The storage tank 31 includes a filter 32 and a first chamber 33.
The cleaning solution in the storage tank 31 is filtered through the filter 32 to remove suspended particles in the process of moving from the second chamber 34 to the first chamber 33. The cleaning liquid in the first chamber 33 is sucked up by the rotary pump 35 and supplied to the supply pipe 24 shown in FIG. 1 via the three-way solenoid valve 37. On the other hand, a suction pump 36 is connected to the tip of the discharge pipe 25, and the cleaning liquid in the holding space S is discharged into the second chamber 34. The cleaning liquid circulates between the holding space S and the storage tank 31 by the operation of these pumps 35 and 36.

For example, the discharge amount of the cleaning liquid by the suction pump 36 may be kept constant, and the supply amount of the cleaning liquid by the rotary pump 35 may be controlled according to the output signal of the water level sensor 30. Further, an air pump 38 unit having a heater 38H and an ion generator 38I is connected to the other input end of the three-way solenoid valve 37, so that the outside air sucked from the air filter 39 when the solenoid valve 37 is switched is removed. The heated hot air is supplied to the supply pipe 24. Furthermore,
An electric dust collector may be incorporated in the air pump unit 38, and the intake port of the air filter 39 is connected to the exhaust pipe 25.
, And the gas in the holding space S may be circulated.

FIG. 6 shows an example of the specific construction of the cleaning head shown in FIG. Each component shown in FIG. 1 is connected to the front surface of the drive unit 40. In the upper space of the drive unit 40, a control unit, which will be described later, and bearings for the guide rollers 12 to 17 are arranged.
Further, two motors M for rotating the rotation shafts of the inner guide rollers 12 and 13 and circulating the belt 11 are provided. Further, on the front surface of the drive unit 40, in order to detect the unevenness sensor 41 on the surface to be cleaned, which is composed of a rotating roller, the ultrasonic sensor 43 for measuring the distance to the surface to be cleaned, the material on the surface to be cleaned, the state of contamination, etc. The optical sensor 42 including the light emitting element 42a and the light receiving element 42b that receives the reflected light of the light beam by the light emitting element 42a is provided.

FIG. 7 shows another example of the dispersing means which is used by inserting it into the holding space S of the cleaning head instead of the flat plate vibration unit 26 shown in FIG. In this example, a plurality of disc-shaped brushes 44 to 46 arranged in a plane,
The columnar brush 47 and the drive motor 48 are provided on the base 49, the rotation of the drive motor 48 is transmitted to the brushes 44 to 47 via the belt, and the tips of the brushes 44 to 47 contact the surface to be cleaned. Particles attached to the surface to be cleaned are dispersed in the cleaning liquid.

As described above, various structures can be used as the dispersion means. However, in the case where gas is introduced into the holding space S to perform the gas phase cleaning, the flat plate vibration unit 2 shown in FIG. 1 is used.
As the vibrating element of No. 6, it is effective to use a vibrating element using a polymer compound such as polyvinylidene fluoride. FIG. 8 shows an example of a control device for controlling the cleaning head 10 described above. The controller is generally indicated by the reference numeral 50 and has a control circuit 51 which comprises a microcomputer or the like. Interface 5 for control circuit 51
Signals from the water level sensor 30, the unevenness sensor 41, the optical sensor 42, and the ultrasonic sensor 43 are supplied as input signals via the signal line 2. The pump / filter unit 23, the drive circuit 53 for the flat plate vibration unit 26, and the drive circuit 54 for the motor M are connected to the control circuit 51. The drive circuit 53 generates a drive voltage of a predetermined frequency for the piezoelectric ceramic vibrator 27 as described above. An operation unit 55 having a keyboard and a display device is further connected to the control circuit 51. The operation unit 55 may be provided at a position away from the cleaning head 10, and this allows the operator to instruct the operation mode of the cleaning head from a position away from the surface to be cleaned.

The first function of the control circuit is to control the introduction of the working fluid, that is, the cleaning liquid or the cleaning gas into the holding space S, and the second function is the operation control of the dispersion means such as the vibration unit. The third action is control of the relative movement of the cleaning head 10 with respect to the surface to be cleaned by the motor M. Each of these control operations is simultaneously performed in accordance with a mode selected according to a command from the operation unit 55 among a plurality of predetermined operation modes. For example, the microcomputer in the control circuit 51 is configured to execute each control routine by timer interruption. An example of the operation mode by the control circuit 51 will be described below.

The cleaning head 10 is shown in FIG.
It is assumed that the glass plate 100 shown in FIG. First, the control circuit operates the pump / filter unit 23 according to the output signal of the water level sensor 30 so as to circulate the cleaning liquid in the holding space S at a predetermined water level in response to the start command. At the time when the water level of the cleaning liquid reaches a predetermined level, the operation of the flat-plate vibration unit 26 is started at the same time. At the same time, the motor shown in FIG. 6 is alternately rotated in the forward direction and the reverse direction every predetermined time. As a result, the cleaning head 10 reciprocates with respect to the surface 101 to be cleaned in the left direction L and the right direction R shown in FIGS. This by the optical sensor 42 during the reciprocation of the cleaning head 10 monitors the light reflection surface to be cleaned, to stop the washing operation example at the time the predetermined level or higher reflectance was obtained. The cleaning head
The reciprocating movement of 10 is, as described above, in the operation mode.
This is an example, and the cleaning is finished from the position to start cleaning the surface to be cleaned.
The cleaning head in one direction only
It goes without saying that it is also possible to perform a cleaning operation.

During the reciprocating motion of the cleaning head 10, the unevenness sensor 41 and the ultrasonic distance sensor 43 monitor the smoothness of the surface to be cleaned, and the movement range of the cleaning head 10 is the surface 1 to be cleaned.
It is controlled so as not to enter the non-smooth portion such as the step of the sealing material filling portion of the edge portion of 01. When the cleaning head 10 is moved to a region including the non-smooth portion around the surface to be cleaned 101, the presence of the non-smooth portion is detected by the sensors 41 and 43, and the pump / filter unit 23 is operated to hold the holding space S.
Drain all the cleaning solution inside. Immediately after the cleaning liquid is discharged from the holding space S, warm air is supplied from the air pump unit 38 to dry the surface to be cleaned.

FIGS. 9 and 10 show an example of a means for bringing the cleaning head 10 into close contact with the surface to be cleaned, using the surface cleaning apparatus according to the present invention for cleaning the window glass and walls of the building. There is. As shown in FIG. 9, the cleaning head 10 is housed in a box-shaped housing 56 whose one surface is open. The housing 56 is suspended by wires 57 and 58 connected to a support device (not shown) arranged on the roof of the building so that its open surface is parallel to the wall surface of the building. FIG. 10 shows the rear surface of the housing, and four fans 59 to 62 are provided on the rear surface of the housing 56 to discharge the air inside the housing 56. As a result, the air pressure inside the housing 56 drops, and the entire housing 56 is pressed against the window or wall surface of the building. As shown in FIG. 9, four wheels 63 to 66 that are rotatably provided are arranged at the four corners of the open surface of the housing, and the housing 56 can move without directly contacting the wall surface. . A brush 67 and a wiper blade 68 are arranged in the vicinity of the cleaning head 10 inside the housing 56 and perform an auxiliary operation for the cleaning operation by the cleaning head 10. Not limited to the examples shown in FIGS. 9 and 10, a guide rail may be formed along the window frame of the building, and the cleaning device may be supported by the guide rail. A cleaning device may be arranged on the arm.

FIG. 11 shows a sectional view of a second embodiment of the cleaning head. As shown, the cleaning head 10 'has a cylindrical cup 70 made of rubber or the like. Cup 7
As shown in the perspective view of FIG. 12, a flange 71 on which a concentric corrugation is formed is provided at the lower edge of the cup 0, and the inside of the cup 70 is airtight when the flange 71 contacts the surface to be cleaned. Holding space S'is formed. A supply pipe 72 is provided at the center of the cup 70, and a discharge pipe 73 is provided at the peripheral portion. The supply pipe 72 and the discharge pipe 73 are connected to the pump / filter unit 23 shown in FIG. Inside the cup 70, the tip portion 72 of the supply pipe 72
Reference character a constitutes a support member for the vibration element 74 made of piezoelectric ceramic. The vibrating elements 74 are arranged radially around the tip portion 72a of the supply pipe 72 as shown in FIG. 13, and when a drive voltage is applied as in the case of the cleaning head 10 shown in FIG. The vibration is transmitted to the cleaning liquid and the cleaning action such as the cavitation effect is generated.

When this cleaning head 10 'is used, it is arranged in the housing 56 shown in FIG. 9 similarly to the cleaning head 10 shown in FIG. 1, and the flange 71 is brought into close contact with the surface to be cleaned. It is possible. A method of holding the cup 70 in the hand of the user of the cleaning device and bringing the flange 71 into close contact with the surface to be cleaned is also possible. Further, when the surface to be cleaned has a constant shape, the cup 70 is formed into a shape matching the surface to be cleaned,
The cup 70 may be brought into close contact with the surface to be cleaned using a supporting device.

FIG. 14 shows another example of the dispersing means provided in the cup 70. In this case, cup 70
The inner space of is up and down by the disk-shaped diaphragm 75.
The space is divided and the space below the diaphragm 75 is filled with the cleaning liquid. A voice coil 77 is coupled to the center of the diaphragm 75. The voice coil 77 is inserted in the annular gap of the magnetic circuit having the magnet 76, and the excitation current is supplied to the diaphragm 7
5 is vibrated in a direction perpendicular to the plane. Also in this case, the same cleaning effect as the cleaning head 10 'shown in FIGS. 11 to 13 is produced. Further, instead of the diaphragm 75 voice coil 77, a π-type ferrite magnetostrictive vibrator may be coupled.

Cleaning head 1 shown in FIGS. 11 to 14.
In the case of 0 ', since the fluid holding space S'formed by the cup 70 is in a sealed state, it can be used not only for the horizontal surface to be cleaned shown but also for any surface. By using this cleaning head, for example, the cup 70 can be brought into close contact with the surface of the optical lens and the lens surface can be cleaned without bringing the cleaning liquid into contact with a portion other than the optical surface of the lens body or the like. Further, the shape of the cup 70 is not limited to the cylindrical shape, but may be various shapes such as a rectangular parallelepiped and an elliptic cylinder.

[0033]

As described above in detail, the surface cleaning apparatus according to the present invention uses the means for defining the holding space for holding the fluid in close contact with at least a part of the surface to be cleaned, and the cleaning liquid or the cleaning liquid introduced into the holding space. Is configured to disperse the deposits attached to the surface to be cleaned in the cleaning gas. Therefore, it is possible to clean a surface of various sizes or a surface of various angles without limiting the surface on which the cleaning device is used. Particularly, since the cleaning device can be moved relative to the surface to be cleaned while maintaining the space for holding the fluid, the surface can be cleaned while moving the cleaning device.
it can. In addition, by circulating the cleaning liquid in the holding space of a building or the like while filtering it with a filter, it is not necessary to discharge the dirty cleaning liquid, and there is an advantage that environmental pollution can be prevented.

[Brief description of drawings]

FIG. 1 is a perspective view showing a main part of an example of a cleaning head of a surface cleaning apparatus of the present invention.

FIG. 2 is a perspective view showing another example of a cleaning head portion.

FIG. 3 is a belt 1 of a part of the cleaning head shown in FIG.
It is a figure which shows the contact | adherence state of the upper part of 1 and the to-be-cleaned surface.

FIG. 4 is a belt 1 of a part of the cleaning head shown in FIG.
It is a figure which shows the contact | adherence state of the lower part of 1 and the to-be-cleaned surface.

5 is a diagram showing an example of a configuration of a pump / filter unit 23 of the cleaning head shown in FIG.

FIG. 6 is a front view showing an example of a cleaning head using the portion shown in FIG.

FIG. 7 is a perspective view showing another example of the dispersing means.

FIG. 8 is a block diagram showing an example of a control device of the surface cleaning device.

FIG. 9 is a perspective view showing an example in which a surface cleaning device according to the present invention is implemented as a cleaning device for windows and walls of a building.

FIG. 10 is a perspective view showing the back of the device shown in FIG.

FIG. 11 is a sectional view showing another example of the cleaning head of the surface cleaning apparatus according to the present invention.

12 is a perspective view showing the appearance of the cleaning head shown in FIG.

13 is a plan view showing the arrangement of vibration elements in the cleaning head shown in FIG. 11. FIG.

14 is a cross-sectional view showing another example of the configuration of the vibrating portion in the same configuration as the cleaning head shown in FIG.

[Explanation of symbols]

 10 ··· Washing head 11 ··· Wide belt 12/13 ··· Inner guide roller 16/17 ··· Outer guide roller 23 ··· Pump・ Filter unit 26 ・ ・ Vibration unit 30 ・ ・ ・ ・ ・ ・ Water level sensor 51 ・ ・ Control circuit

Claims (15)

(57) [Claims] 1. A device for cleaning a surface of an object, comprising: a space defining means for closely contacting at least a part of a surface to be cleaned of the object to define a holding space; and the holding space. and introducing means for introducing a working fluid within, it consists of a dispersion means for dispersing the deposited material on the surface to be cleaned in the working fluid introduced into the holding space, the air
The space-defining means is a wide elastic band which is attached to the outer surface of the band.
And can contact the surface to be cleaned and contact the external surface.
Each part of the touchable part moves circularly so that it can move sequentially.
The ring-shaped band that moves along a path and is rotatable, and the ring-shaped band is rotatably supported.
The shape of the contact surface of the annular band with respect to the clean surface becomes concave
Of the contacted surface and the annular band located inside the concave mold
While defining the holding space with a portion of the outer surface,
In front of the annulus so that the annulus is capable of the rotational movement.
Guide supporting means for supporting the surface to be cleaned so that it can be crimped.
The guide support means to move the outer surface of the annular band forward.
The holding space is formed by pressing the surface to be cleaned.
And the holding space is moved relative to the surface to be cleaned.
By operating the dispersing means while moving
A surface cleaning apparatus capable of cleaning a surface to be cleaned . Wherein said guide support means is rotated about a respective each of which extends in a vertical axis of rotation
And freely rotatably contacts the inner surface of the annular band.
At least two inner rollers paired with the outer surface of the annular band supported by the inner rollers.
And is supported by the at least two inner rollers
The inside of the ring-shaped zone from the surface connecting the two parts of the ring-shaped zone
At the position displaced in the lateral direction, press contact rotatably and
Forming a recess serving as the holding space on the outer surface of the annular band
At least one outer roller, the recess being
The lower end of the outer roller is higher than the lower end of the inner roller.
The annular band is formed by being placed in
When in contact with the surface, the inner roller and the outer roller
In response to the rotational movement of the annular band accompanying the rotation of the side roller
Surface cleaning apparatus of claim 1, wherein the serial holding space can be moved relative to the surface to be cleaned. 3. The surface cleaning apparatus according to claim 2, wherein the peripheral portion of the annular belt located below the lower end of the outer roller has a smaller elastic compliance than other portions. 4. The surface cleaning apparatus according to claim 1, wherein the dispersing means comprises a vibrator that propagates vibration to the working fluid in the space. 5. The surface cleaning apparatus according to claim 4 , wherein the vibrator includes a piezoelectric vibrating element. 6. The surface cleaning apparatus according to claim 1, wherein the dispersing means includes a brush arranged in the space and a driving means for driving the brush. 7. The surface cleaning apparatus according to claim 6, wherein the brush is rotationally driven about a rotation axis parallel or perpendicular to the surface to be cleaned. 8. The introducing means has at least one of a supply flow path for supplying the working fluid into the holding space and a discharge flow path for discharging the working fluid from the holding space. Item 1. The surface cleaning apparatus according to item 1. 9. The introducing means includes a supply flow path for supplying the working fluid into the holding space, a discharge flow path for discharging the working fluid from the holding space, and a supply flow path and a discharge flow path. The surface cleaning apparatus according to claim 1, further comprising a circulation device that circulates the working fluid in the holding space via the circulation device, and the circulation device is provided with a filter. 10. The surface cleaning apparatus according to claim 9 , wherein the working fluid is a liquid. 11. The surface cleaning apparatus according to claim 9 , wherein the working fluid is a gas. 12. The surface cleaning apparatus according to claim 11, wherein the dispersing means comprises means for ionizing the gas. 13. The surface cleaning apparatus according to claim 9, wherein the circulation device selectively circulates liquid and gas as the working fluid in the holding space. 14. The surface cleaning apparatus according to claim 1, further comprising control means for controlling operations of the working fluid introducing means and the dispersing means. 15. A sensor for detecting the condition of the surface to be cleaned, wherein the control means controls the operations of the working fluid introducing means and the dispersing means in accordance with an output signal of the sensor. 15. The surface cleaning apparatus according to claim 14 .