JP2008105443A - Car washing brush and car washing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a car washing brush and a car washing device superior in stain removing performance and washing performance, without forming a flaw or leaving gouge on a washing object surface, with a simple constitution. <P>SOLUTION: This car washing device is composed of a cylindrical rotary shaft 2 supplying fluid inside from at least one end and having at least one outflow port 3 on a peripheral wall 2a, and a cleaning body 4 arranged in the longitudinal direction of the rotary shaft 2 and expanding in a bag shape by the fluid discharged from the outflow port 3. The cleaning body 4 easy in manufacture and assembling with a simple constitution, is strongly pressed down to a washing object surface, and washing performance is remarkably improved since the contact area with the washing object surface is large. Since the cleaning body 4 expanded by the fluid is easily deformed along a shape and a recess-projection of a surface of a washing object such a car body, washing leakage is not caused, and since the cleaning body 4 contacts in a surface with the washing object surface, a flaw in not formed and gouge is not left on the washing object surface. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a car wash brush and a car wash apparatus using the same.

  As this type of conventional car wash brush, there is one constructed by attaching a brush alone along a spiral line to each of a plurality of circumferential positions on the outer periphery of a rotating shaft (see, for example, Patent Document 1). In the conventional car wash brush constructed in this way, the tip of the brush unit attached spirally to the rotating shaft continuously contacts the surface to be cleaned. Are better.

  The tubular body is composed of a bristle supported on the outer periphery of the tubular body, and a plurality of channels for conveying fluid are provided in the tubular body so that the fluid is sprayed from the inside toward the outside. There is a car wash brush (for example, see Patent Document 2). Since the conventional car wash brush constructed in this way sprays fluid onto the bristle, the washing effect by the bristle is great.

  There is also a car wash brush that is configured by attaching a cleaning body to the outer periphery of a rotating body in a disk shape or a spiral shape while shifting in the axial direction (see, for example, Patent Document 3).

JP 2005-170221 A Special table 2003-525728 gazette Japanese Patent No. 3585178

  However, in the configuration of the conventional car wash brush described in Patent Document 1, since the brush unit is attached to the rotating shaft in a spiral shape, the contact area with the surface to be cleaned is small, and dirt is efficiently removed. It was difficult. In addition, twisting the rotating shaft into a spiral shape or forming a mounting groove in a spiral shape for mounting the brush unit in order to attach the brush unit to the rotating shaft in a spiral shape is a costly factor, and the car wash brush industry It was unsuitable for use. Furthermore, when the car wash brush rotates, the tip of the brush itself acts to strike the surface to be cleaned, which causes problems such as scratches and dents on the surface to be cleaned.

  Further, in the configuration of the conventional car wash brush described in Patent Document 2, fluid is sprayed on the brush hair, and the dirt is removed by the synergistic effect of the brush hair and the fluid spray. Has a problem that gaps are likely to be generated, and unwashed portions are generated in portions where the brush hair does not hit.

  Moreover, in the structure of the conventional car wash brush described in the said patent document 3, the clearance gap produced between the washing bodies arrange | positioned at an axial direction, and there existed a subject that washing | cleaning residue generate | occur | produced and the washing | cleaning performance was bad.

  SUMMARY OF THE INVENTION The present invention solves the above-described conventional problems, and is a car wash brush and a car wash device that are excellent in dirt removal performance and cleaning performance with a low-cost configuration and without scratching or leaving a dent. The purpose is to provide.

  In order to solve the above-described conventional problems, a car wash brush according to the present invention has a cylindrical shape, a rotating shaft that is supplied with fluid from at least one end and has at least one outlet on a peripheral wall, and the rotating shaft of the rotating shaft. The cleaning body is provided along the longitudinal direction and expands in a bag shape by the fluid discharged from the outflow port. Since the structure is simple, the manufacturing and assembly are easy, and the fluid is expanded by the pressure of the fluid. Since the cleaning body is strongly pressed against the surface to be cleaned and the contact area with the surface to be cleaned is large, the cleaning performance is remarkably improved. In addition, the cleaning body expanded by the fluid easily deforms along the shape and irregularities of the surface of the object to be cleaned such as the vehicle body, so that no cleaning leakage occurs and the cleaning body faces the surface to be cleaned. Since the contact is made with this, the surface to be cleaned is not scratched or dented. In addition, increase the pressure of the fluid supplied to the cleaning body when the dirt on the surface to be cleaned is high, and lower when the dirt on the surface to be cleaned is mild. By changing the pressure, more efficient cleaning can be performed.

  In addition, the car wash brush of the present invention is cylindrical and is provided along the longitudinal direction of the rotating shaft, the rotating shaft having the fluid supplied from at least one end and having at least one outlet on the peripheral wall, and the rotating shaft. A bag body that expands in a bag shape by the fluid discharged from the outlet and a cleaning body that is attached so as to cover the bag body. The cleaning body is covered by the bag body that is expanded by the pressure of the fluid. Since it is strongly pressed against the cleaning surface and has a large contact area with the surface to be cleaned, the cleaning performance is remarkably improved. In addition, the cleaning body is easily deformed along the shape and irregularities of the surface of the object to be cleaned such as the vehicle body by the bag body inflated with the fluid, so that no cleaning leakage occurs and the cleaning body is Since the surface is in contact with the surface to be cleaned, the surface to be cleaned is not scratched or dented. Further, when the cleaning body is damaged, it is not necessary to replace the entire car wash brush, and only the cleaning body needs to be replaced. Therefore, maintenance is easy and the cost can be reduced. In addition, increase the pressure of the fluid supplied to the bag body if the surface to be cleaned is heavy, or decrease it if the surface to be cleaned is light, depending on the surface of the surface to be cleaned. By changing the pressure, more efficient cleaning can be performed.

  A car wash apparatus according to the present invention includes a car wash brush according to any one of claims 1 to 6, a drive unit that rotationally drives a rotary shaft of the car wash brush, a compressor that supplies air to the rotary shaft, It is equipped with a plurality of nozzles that spray cleaning water and cleaning agent on the surface to be cleaned and a drying means for drying the surface to be cleaned after cleaning. Therefore, it is possible to provide a car washing device having excellent washing performance.

  The car wash brush and the car wash apparatus of the present invention have an inexpensive structure and are excellent in dirt removal performance and cleaning performance without causing scratches or leaving dents on the surface to be cleaned.

  A first aspect of the present invention is a cylindrical shape, in which a fluid is supplied to the inside from at least one end and at least one outflow port is provided on a peripheral wall, and is provided along the longitudinal direction of the rotation shaft and the outflow port It is composed of a cleaning body that expands in the form of a bag by the fluid discharged from, and is easy to manufacture and assemble because of its simple structure. In addition, the cleaning body expanded by the pressure of the fluid is strongly pressed against the surface to be cleaned. Since the contact area with the surface to be cleaned is large, the cleaning performance is remarkably improved. In addition, the cleaning body expanded by the fluid easily deforms along the shape and irregularities of the surface of the object to be cleaned such as the vehicle body, so that no cleaning leakage occurs and the cleaning body faces the surface to be cleaned. Since the contact is made with this, the surface to be cleaned is not scratched or dented. In addition, increase the pressure of the fluid supplied to the cleaning body when the dirt on the surface to be cleaned is high, and lower when the dirt on the surface to be cleaned is mild. By changing the pressure, more efficient cleaning can be performed.

  In the second invention, in particular, one cleaning body of the first invention is provided so as to cover the entire circumference of the rotating shaft along the longitudinal direction of the rotating shaft, and the surface to be cleaned is cleaned. Since the surface of the body comes into contact without interruption, no cleaning leakage occurs, and the surface to be cleaned can be polished while cleaning to remove dirt.

  In the third invention, the cleaning body of the first invention is arranged in a spiral shape along the longitudinal direction of the rotating shaft, and the surface to be cleaned is formed by the recess formed between the spiral cleaning bodies. Since the adhering dirt is scraped off, the cleaning performance is greatly improved.

  In the fourth invention, in particular, a plurality of outlets are provided on the rotating shaft of the first invention, and a cleaning body is divided into a plurality of parts and provided on the rotating shaft. Even if it does not occur, cleaning of the surface to be cleaned is continued with another cleaning body, so that the cleaning operation is not interrupted. Moreover, since the dirt adhering to the surface to be cleaned is scraped out by the recess formed between the adjacent cleaning bodies, the cleaning performance is greatly improved.

  According to a fifth aspect of the present invention, there is provided a rotating shaft having a cylindrical shape, in which fluid is supplied from at least one end and having at least one outlet on a peripheral wall, and provided along the longitudinal direction of the rotating shaft and the outlet. And a cleaning body attached so as to cover the bag body. The cleaning body is placed on the surface to be cleaned by the bag body expanded by the pressure of the fluid. Since it is strongly pressed and the contact area with the surface to be cleaned is large, the cleaning performance is remarkably improved. In addition, the cleaning body is easily deformed along the shape and irregularities of the surface of the object to be cleaned such as the vehicle body by the bag body inflated with the fluid, so that no cleaning leakage occurs and the cleaning body is Since the surface is in contact with the surface to be cleaned, the surface to be cleaned is not scratched or dented. Further, when the cleaning body is damaged, it is not necessary to replace the entire car wash brush, and only the cleaning body needs to be replaced. Therefore, maintenance is easy and the cost can be reduced. In addition, increase the pressure of the fluid supplied to the bag body if the surface to be cleaned is heavy, or decrease it if the surface to be cleaned is light, depending on the surface of the surface to be cleaned. By changing the pressure, more efficient cleaning can be performed.

  In the sixth aspect of the invention, in particular, the rotary shaft or / and the cleaning body of any one of the first to fifth aspects is formed with a discharge port for discharging the fluid to the outside. Even if the expanded cleaning body receives some impact, the air inside is discharged from the discharge port, the impact is weakened, and no excessive force is applied to the car wash brush.

  A seventh invention is the car wash brush according to any one of claims 1 to 6, a drive means for rotationally driving the rotating shaft of the car wash brush, a compressor for supplying air to the rotating shaft, and the object to be cleaned It is equipped with a plurality of nozzles for spraying cleaning water and cleaning agent on the surface and a drying means for drying the surface to be cleaned after cleaning, and the surface to be cleaned such as a car body may be scratched or dented. There can be provided a car washing device having excellent washing performance.

  Embodiments of the present invention will be described below with reference to the drawings. In addition, this invention is not limited by this Example.

(Example 1)
1 is a perspective view in which a part of a car wash brush in the first embodiment of the present invention is cut out, FIG. 2 is a cross-sectional view of the car wash brush, FIG. 3 is a cross-sectional view taken along line AA in FIG. These are sectional drawings which show a mode at the time of wash | cleaning a vehicle body with the car wash apparatus which attached the same car wash brush.

  1 to 3, the car wash brush 1 in the present embodiment is made of a metal material and has a cylindrical shape, and fluid such as air or liquid is supplied from at least one end to the inside, and a plurality of outlets 3 are provided on the peripheral wall 2a. The rotating shaft 2 and the cleaning body 4 provided along the longitudinal direction of the rotating shaft 2 and inflated into a bag shape by the fluid discharged from the outlet 3 are configured.

  The cleaning body 4 is for removing dirt on the surface to be cleaned (not shown) such as the surface of the vehicle body, such as nonwoven fabric, woven fabric, knitted fabric, synthetic resin foam, artificial leather, synthetic leather, film-like It is made of a resin sheet, an elastomer sheet, and the like, and is formed in a bag shape so as to cover the entire circumference of the rotary shaft 2 along the longitudinal direction of the rotary shaft 2. (Not shown) and the like.

  In addition, in order to prevent the fluid supplied from the outlet 3 from leaking to the outside when the cleaning body 4 is formed of a material that allows air to pass, such as a nonwoven fabric, a woven fabric, a knitted fabric, or a synthetic resin foam, A rubber or resin material is applied or impregnated on the back surface.

  In addition, when the cleaning body 4 is made of a material other than a fiber material such as artificial leather, synthetic leather, a film-like resin sheet, or an elastomer sheet, an infinite number of thin protrusions are formed on the surface of the cleaning body 4 in order to improve the cleaning performance. It is good to form in.

  One end of the rotating shaft 2 is closed as shown in FIG. 2, and fluid such as air is supplied to the other end from a compressor (not shown) attached to a car wash device (not shown). ing.

  The operation and action of the car wash brush in the present embodiment configured as described above will be described with reference to FIG.

  FIG. 4 is a cross-sectional view showing a state in which the surface of the vehicle body is washed by the car wash apparatus to which the car wash brush 1 is attached.

  When air is supplied as a fluid from one end of the rotating shaft 2 of the car wash brush 1 from a compressor attached to the car wash apparatus, the air is sent from the outlet 3 into the bag-like cleaning body 4. Then, after the cleaning body 4 has fully expanded, the car wash brush 1 is rotated by a driving means (not shown) and pressed against the surface of the vehicle body 7 as shown in FIG. To move. As shown in FIG. 4, the car wash brush 1 moves while being easily deformed along the shape and irregularities of the surface of the vehicle body 7. Of course, it goes without saying that the cleaning agent and the cleaning liquid are sprayed from the car washing device to the vehicle body 7 and / or the car washing brush 1 during this period.

  In addition, the pressure of the air supplied to the cleaning body 4 shall be adjusted suitably according to the dirt condition of the vehicle body 4. For example, efficient cleaning can be performed by increasing the pressure when the vehicle body 7 is very dirty, and decreasing the pressure when the vehicle body 7 is lightly soiled.

  As described above, according to the car wash brush in the present embodiment, since the structure is simple, the manufacture and assembly are easy, and the cleaning body 4 expanded by the pressure of fluid such as air is applied to the surface to be cleaned such as the vehicle body 7. Since it is strongly pressed and the contact area with the surface to be cleaned is large, the cleaning performance is remarkably improved. Further, the cleaning body 4 expanded by the fluid is easily deformed along the surface shape and unevenness of the object to be cleaned such as the vehicle body 7, so that no cleaning leakage occurs and the cleaning body 4 is not cleaned. Since the surface is in contact with the surface, the surface to be cleaned is not scratched or dented.

  In this embodiment, since one cleaning body 4 is provided so as to cover the entire circumference of the rotating shaft 2 along the longitudinal direction of the rotating shaft 2, the surface of the cleaning body 4 is the surface to be cleaned. In addition, the surface to be cleaned can be contacted without any interruption and no cleaning leakage occurs, and the surface to be cleaned can be polished while cleaning to remove dirt.

  In addition, as shown in FIG. 5, if the discharge ports 2b and 4a for discharging air to the outside are provided in a part of the rotating shaft 2 and the cleaning body 4, they expand when the car wash brush 1 rotates. Even if the cleaning body 4 receives some strong impact from the protrusions of the vehicle body 7, the air inside is discharged from the discharge ports 2 b and 4 a and the impact is weakened, and the driving means for driving the car wash brush 1 and the car wash brush 1 is used. It is possible to prevent excessive force from being applied.

(Example 2)
FIG. 6 is a perspective view of a car wash brush according to the second embodiment of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals and the description thereof is omitted.

  As shown in FIG. 6, the car wash brush 9 in this embodiment is formed by providing a bag-like cleaning body 10 in a spiral shape in the longitudinal direction of the outer periphery of the rotary shaft 2 provided with a plurality of outlets 3 on the peripheral wall. is there. The cleaning body 10 is provided with a plurality of holes 10 a communicating with the outlet 3 provided in the rotary shaft 2, and the cleaning body 10 is connected to the outer periphery of the rotary shaft 2 so that the opening edge of the hole 10 a is in an airtight manner. 4 is attached. The cleaning body 10 is made of the same material as the cleaning body 4 in the first embodiment.

  As described above, the car wash brush 9 in the present embodiment can be simply and inexpensively assembled because the bag-shaped cleaning body 10 is simply wound around the rotating shaft 2 in a spiral manner. Further, since the dirt adhering to the surface to be cleaned is effectively scraped out by the spiral recess 11 formed between the spiral cleaning bodies 10, the cleaning performance is greatly improved. .

Example 3
FIG. 7 is a sectional view of a car wash brush in the third embodiment of the present invention. In addition, about the same component as the said Example, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  As shown in FIG. 7, the car wash brush 14 in the present embodiment is a divided member 16 made of a metal rod or the like after the bag-shaped cleaning body 15 is put on the rotary shaft 2, and the cleaning body A15a, the cleaning body B15b, and the cleaning body The body C15c is divided into three parts, attached to the rotary shaft 2, and each of the three parts and the outflow port 3 are communicated to expand each of the cleaning bodies A15a to C15c. The cleaning body 15 is also made of the same material as the cleaning body 4 in the first embodiment.

  Since the car wash brush 14 in the present embodiment is configured as described above, even if one of the cleaning body A15a, the cleaning body B15b, and the cleaning body C15c, for example, the cleaning body B15b breaks and does not expand, Since the cleaning of the surface to be cleaned is continued with the other cleaning bodies A, C15a and 15c, the cleaning operation is not interrupted. Moreover, since the dirt adhering to the surface to be cleaned is scraped out by the recess 17 formed between the adjacent cleaning bodies, the cleaning performance is greatly improved. In addition, although the cleaning body A15a, the cleaning body B15b, and the cleaning body C15c may be formed separately and may be equally attached to the outer periphery of the rotating shaft 2, the single bag-shaped cleaning body 15 is used as in this embodiment. Needless to say, it is much easier to manufacture and assemble the substrate by dividing it into three parts by the dividing member 16.

  Moreover, in the said Example, although the cleaning body 15 was divided into three, of course, it is not limited to this, Two divisions and four divisions may be sufficient.

  FIG. 8 shows another example of the car wash brush that is divided into a plurality of cleaning bodies 15 and is attached to the rotary shaft 2. As shown in FIG. 8, the car wash brush 19 is composed of one bag-like cleaning body 20. Are placed on the rotating shaft 2 and spaced apart from each other along the longitudinal direction of the rotating shaft 2 by the dividing member 21 in order to stop the outer periphery of the rotating shaft 2 to form a plurality of inflatable portions 20a. When the air is supplied from the outlet 3 at the position corresponding to the expansion portion 20a, each expansion portion 20a expands in a donut shape.

  As described above, the car wash brush 19 has a plurality of inflating portions 20a continuously inflated in a donut shape on the rotating shaft 2 during washing, so that the surface shape of the vehicle body with many curved portions is provided. Accordingly, each of them independently deforms and comes into close contact with each other, so that it is possible to suppress the occurrence of unwashed residue and to greatly improve the cleaning performance.

Example 4
FIG. 9 is a perspective view of a car wash brush according to a fourth embodiment of the present invention. In addition, about the same component as the said Example, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  In FIG. 9, the car wash brush 25 in this embodiment is provided so as to cover the rotary shaft 2 along the longitudinal direction of the rotary shaft 2 having a plurality of outlets 3, and the air discharged from the outlet 3. And a cleaning body 27 attached so as to cover the bag body 26.

  The bag body 26 is formed of a nonwoven fabric, a woven fabric, a fabric such as a knitted fabric, a synthetic resin foam, an artificial leather, a synthetic leather, a film-like resin sheet, an elastomer sheet, or the like, or a combination thereof. A hook-and-loop fastener 28a having a large number of loops is attached to a part of the direction.

  The cleaning body 27 is made of the same material as the cleaning body 4 in the first embodiment, and is formed into a sheet shape for facilitating the mounting to the bag body 26, and a hook-and-loop fastener 28 a provided on the bag body 26. A surface fastener 28b having a large number of hooks is fixed to the facing position, and the cleaning body 27 is wound around the outer periphery of the bag body 26 while pressing the surface fastener 28b against the surface fastener 28a. 27 is completely attached to the bag body 26.

  Since the car wash brush 25 in the present embodiment is configured as described above, the cleaning body 27 is strongly pressed against the surface to be cleaned by the bag body 26 expanded by the pressure of the fluid, and the contact area with the surface to be cleaned is large. Since it is large, the cleaning performance is remarkably improved. Further, the cleaning body 27 is easily deformed along the shape and irregularities of the surface of the object to be cleaned such as the vehicle body by the bag body 26 inflated with the fluid, so that no cleaning leakage occurs, and the cleaning body 27 However, since the surface is in contact with the surface to be cleaned, the surface to be cleaned is not scratched or dented.

  Further, when the cleaning body 27 is damaged, it is not necessary to replace the entire car wash brush 25, and only the cleaning body 27 needs to be replaced. Therefore, maintenance is easy and the cost can be reduced. The replacement of the cleaning body 27 can also be performed very easily in this embodiment because the hook-and-loop fasteners 28a and 28b are used.

  Further, the pressure of the fluid supplied to the bag 26 is increased when the surface to be cleaned is heavy, and lowered when the surface to be cleaned is light, depending on the surface of the surface to be cleaned. If the pressure is changed, more efficient cleaning can be performed.

(Example 5)
FIG. 10 is a front view showing a schematic configuration of the car wash apparatus in the fifth embodiment of the present invention. In addition, about the same component as the car wash brush in the said Example, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  In FIG. 10, the car wash device 51 in this embodiment includes a rotating shaft 35 a and a cleaning body 35 b, and includes a top face of a vehicle body (not shown), three car wash brushes 35 for washing the side faces, and each car wash brush. Driving means 36 for rotationally driving the rotary shaft 35a, a compressor 37 for supplying air to the respective rotary shafts 35a, a plurality of nozzles 38 for injecting cleaning water and cleaning agent to the vehicle body, A pump 39 for pumping the washing water, a drying means 40 for drying the washed vehicle body, an operation switch 41 for turning on and off the operation of the car washing device 51, a driving means 36, a compressor 37, a pump 39, and a drying means 40. The control means 42 which controls the driving | operation of is provided. The car wash brush 35 is the same as any one of the car wash brushes 1, 9, 14, 19, 25 in the above embodiment, and the rotation shaft 35 a of the car wash brush 35 is also the same as the rotation shaft 2 in the above embodiment.

  The operation and action of the car wash device 51 in the present embodiment configured as described above are as follows.

  First, the user or the driver stops the vehicle body at a predetermined place, operates the operation switch 41, and starts the operation of the car wash device 51. Then, the control means 42 energizes the compressor 37, and air is pumped to the rotating shaft 35 a of the car wash brush 35, and the pressure of the air is changed to the cleaning body 35 b (cleaning bodies 4, 10, 15, 20, in the above embodiment). When the pressure sensor (not shown) or the like detects that the pressure has sufficiently expanded or the pressure of the bag 26 that supports it is sufficiently expanded, the operation of the driving means 36 is started. The car wash brush 35 rotates, and at the same time, the cleaning agent is sprayed from the nozzle 38. In this state, the car wash device 51 moves and the washing process is performed. When the washing process is completed, the car wash brush 35 is rotated again, and water is sprayed from the nozzle 38 to perform rinsing. If the user or driver has selected waxing, the waxing is performed automatically after the rinsing step. Finally, high-temperature air is blown from the drying means 40 toward the vehicle body at a high speed while the car wash device 51 is moving, and a drying process for drying the vehicle body at the same time as the splashing of water is performed, and all the processes are completed.

  As described above, the car wash device 51 in the present embodiment uses the car wash brush 35 having excellent cleaning performance without damaging or scratching the surface to be cleaned such as the car body. It is possible to provide the car washing device 51 that is easy and excellent in washing performance.

  As described above, the car wash brush according to the present invention has excellent cleaning performance without damaging the surface to be cleaned such as a vehicle body or making a dent, and is not limited to a car wash apparatus, but also to various cleaning apparatuses. Can also be applied.

The perspective view which cut out some car wash brushes in 1st Example of this invention Cross section of the car wash brush AA sectional view of FIG. Sectional drawing which shows the mode at the time of washing a vehicle body with the car wash apparatus which attached the car wash brush Cross section of car wash brush showing another example The perspective view of the car wash brush in 2nd Example of this invention Sectional drawing of the car wash brush in 3rd Example of this invention Cross section of car wash brush showing another example The perspective view of the car wash brush in 4th Example of this invention The front view which shows schematic structure of the car wash apparatus in the 5th Example of this invention.

Explanation of symbols

1, 9, 14, 19, 25, 35 Car wash brush 2 Rotating shaft 3 Outlet 4, 10, 15, 20, 27, 35b Cleaning body 7 Car body 26 Bag body 36 Driving means 37 Compressor 38 Nozzle 39 Pump 40 Drying means 51 Car wash equipment

Claims (7)

  A rotating shaft that is cylindrical and has fluid supplied to the inside from at least one end and has at least one outlet on the peripheral wall, and the fluid that is provided along the longitudinal direction of the rotating shaft and that is discharged from the outlet The car wash brush which consists of a cleaning body which expands in the shape of a bag.   The car wash brush according to claim 1, wherein one cleaning body is provided so as to cover the entire circumference of the rotating shaft along the longitudinal direction of the rotating shaft.   The car wash brush according to claim 1, wherein the cleaning body is arranged in a spiral shape along the longitudinal direction of the rotation shaft.   The car wash brush according to claim 1, wherein a plurality of outlets are provided on the rotation shaft, and a cleaning body is divided into a plurality of portions and provided on the rotation shaft.   A rotating shaft that is cylindrical and has fluid supplied to the inside from at least one end and has at least one outlet on the peripheral wall, and the fluid that is provided along the longitudinal direction of the rotating shaft and that is discharged from the outlet The car wash brush which consists of the bag body which expand | swells by a bag shape by the above, and the cleaning body attached so that the said bag body may be covered.   The car wash brush according to any one of claims 1 to 5, wherein a discharge port for discharging the fluid to the outside is formed in the rotary shaft or / and the cleaning body.   The car wash brush according to any one of claims 1 to 6, drive means for rotationally driving the rotating shaft of the car wash brush, a compressor for supplying air to the rotating shaft, and cleaning water and cleaning on the surface to be cleaned A car wash apparatus comprising a plurality of nozzles for spraying an agent and a drying means for drying the surface to be cleaned after cleaning.

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