JP6493139B2 - Car wash machine - Google Patents

Description

  The present invention relates to a car wash machine and a car wash method including a side brush and a rocker brush.

  A conventional car wash machine installed in a gas station or the like is disclosed in Patent Document 1. The car wash machine includes a car wash machine body that moves in the front-rear direction with respect to the vehicle to be washed. The car wash machine main body is formed in a gate shape having two stand parts on the left and right and a ceiling part connecting the upper ends of the stand parts and straddling the vehicle to be cleaned.

  The car washer has a washing section and a drying section. The cleaning unit includes a side brush and a rocker brush. The side brush is provided so as to be able to incline a rotating shaft extending vertically in a vertical plane along the moving direction of the car wash machine body, and cleans the side surface and the rear surface of the vehicle to be cleaned. The rocker brush is disposed near the side brush and closer to the entrance side of the car washer than the side brush, and cleans the lower part of the side of the vehicle to be cleaned.

  The drying unit has a side blowing nozzle and a top blowing nozzle. The side blowing nozzles are provided at the rear end portions of the stand portion, respectively, and send air toward the side surface of the vehicle to be cleaned. The top blowing nozzle is provided at the front end of the ceiling and blows air toward the upper surface of the vehicle to be cleaned.

  In the car wash machine configured as described above, when the user sets the car wash conditions, the car wash machine body moves in the front-rear direction with respect to the car to be washed, and washing of the car to be washed by the washing unit is started. The side and rear surfaces of the vehicle to be cleaned are cleaned by the side brush, and the lower portion of the side surface of the vehicle to be cleaned is cleaned by the rocker brush. Following the cleaning by the cleaning unit, the drying unit blows air to the vehicle to be cleaned to dry the vehicle to be cleaned.

  When the rear surface of the vehicle to be cleaned is cleaned, the rotation axis of the side brush is inclined at a predetermined inclination angle in the vertical plane according to the vehicle to be cleaned. Thereby, a side brush contact | abuts along the rear surface of a to-be-cleaned vehicle, and the washing power of a car wash machine can be improved.

JP2015-147495A

  Since the car wash machine main body is installed in a narrow installation space, there is a high demand for downsizing. For this reason, if the distance in the front-rear direction between the side brush and the rocker brush is reduced, the lower portion of the side brush that is inclined when cleaning the rear surface of the vehicle to be cleaned interferes with the rocker brush. Therefore, there is a problem that the side brush and the rocker brush cannot be brought close to each other, and the car wash machine main body cannot be reduced in size.

  An object of the present invention is to provide a car wash machine and a car wash method that can be miniaturized.

  In order to achieve the above object, the present invention provides a car wash machine body that moves relative to the vehicle to be washed in the front-rear direction, and a vertical plane that is supported by the car wash machine body in the moving direction of the car wash machine body. And a side brush for cleaning a side surface and a rear surface of the vehicle to be cleaned, and a side surface of the vehicle to be cleaned which is arranged on the entrance side of the car wash machine body with respect to the side brush. A car wash machine having a rocker brush for washing a lower part, wherein the rocker brush is arranged along an inner surface of the car wash machine main body, and a horizontal plane from the stand-by position to the entrance of the car wash machine main body. It is formed so as to be able to move back and forth between the advanced position rotated inside, and between the standby position and the advanced position, the vehicle is brought into contact with the vehicle to be cleaned, and the rear surface of the predetermined vehicle to be cleaned is cleaned. When The rocker brush together with the rotary shaft of the side brush are inclined, characterized in that the disposed in said advanced position.

  In addition, the present invention is a car wash machine having the above-described configuration, characterized in that it includes a holding mechanism that holds the rotating shaft of the side brush at a predetermined inclination angle when the rear surface of the vehicle to be cleaned is cleaned.

  Further, the present invention is a car wash machine having the above-described configuration, wherein when the rocker brush that contacts the vehicle to be cleaned reaches the rear end of the vehicle to be cleaned, the rocker brush is disposed at the standby position and passes through the vehicle to be cleaned before the advancement. It is arranged at a position.

  Further, the present invention is a car wash machine having the above-described configuration, wherein the arm member is attached to the vehicle to be cleaned so as to be swingable in a horizontal plane and the rocker brush is pivotally supported at the tip, and an air cylinder for moving the arm member forward and backward The rocker brush at the standby position is rotated in the direction of the advanced position by the air cylinder, and comes into contact with the vehicle to be cleaned by the urging of the air cylinder.

  Further, the present invention is a car wash machine configured as described above, wherein the side face of the vehicle to be cleaned is moved by the side brush on an outward path in which the car wash machine body moves toward the rear of the vehicle to be cleaned and a return path in which the vehicle moves toward the front. Washing is performed, the rocker brush comes into contact with the vehicle to be cleaned on the forward path, and the rocker brush is disposed at the standby position on the return path.

  In order to achieve the above object, a car wash method of the present invention includes a car wash machine main body that moves relative to the vehicle to be washed in the front-rear direction, and an upper end supported by the car wash machine main body along the moving direction of the car wash machine main body. A rotating shaft extending in the vertical direction in the vertical plane is provided so as to be inclined, and a side brush for cleaning the side surface and the rear surface of the vehicle to be cleaned, and disposed on the entrance side of the car wash machine body rather than the side brush. A car wash method comprising a rocker brush for washing a lower portion of a side surface of a vehicle, wherein the rocker brush is disposed along the inner surface of the car wash machine main body, and the entrance of the car wash machine main body from the standby position. It is formed so as to be able to advance and retreat between an advance position rotated in a horizontal plane in a direction, and cleaning is performed in contact with the vehicle to be cleaned between the standby position and the advance position. On the back When purification, the rocker brush together with the rotary shaft of the side brush are inclined, characterized in that the disposed in said advanced position.

  According to the present invention, when the rotation axis of the side brush is inclined and the rear surface of the vehicle to be cleaned is cleaned, the rocker brush is disposed at the advanced position. Thereby, interference with the inclined side brush and a rocker brush can be prevented, and a side brush and a rocker brush can be arrange | positioned close to the front-back direction. Therefore, the car wash machine can be miniaturized.

The side view which shows the car wash machine of embodiment of this invention The front view which shows the car wash machine of embodiment of this invention The top view which shows the attachment structure of the rocker brush of the car wash machine of embodiment of this invention The top view which shows the state which wash | cleans the side surface of a to-be-cleaned vehicle with the car wash machine of embodiment of this invention The side view which shows the state which wash | cleans the rear surface of a to-be-washed vehicle with the car wash machine of embodiment of this invention The top view which shows the state which wash | cleans the rear surface of a to-be-washed vehicle with the car wash machine of embodiment of this invention The side view which shows the state which wash | cleans the rear surface of another to-be-washed vehicle with the car wash machine of embodiment of this invention

  Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 are a side view and a front view showing a car wash machine WA according to an embodiment of the present invention. The car wash machine WA includes a remote panel 7A and a car wash machine body 1.

  The remote panel 7A is arranged on the approach route S of the vehicle CA to be cleaned. The vehicle to be cleaned CA stops in front of the remote panel 7A, and the user sets car wash conditions by operating the remote panel 7A from within the vehicle to be cleaned CA.

  The buttons provided on the remote panel 7A can set car wash conditions using a liquid agent used for shampooing, waxing, water repellent coating, and the like. It is also possible to set equipment such as front guards, fender poles, side mirrors, rear wipers, and roof carriers.

  The car wash machine main body 1 is formed in a gate shape having two left and right opposing stand portions 90 and a ceiling portion 91 connecting the upper ends of the stand portions 90. A pair of left and right rails 2 is laid on the ground G, and wheels 3 provided on the bottom surface of the stand portion 90 are arranged on the rails 2. Thus, the car wash machine body 1 is erected on the rail 2, travels on the rail 2 by driving of a travel motor (not shown), and moves back and forth with respect to the vehicle CA to be cleaned.

  The stand unit 90 is provided with a tank storage unit 30 that stores a plurality of liquid storage tanks (not shown) that store various liquid agents such as detergents and waxes. Distributing piping 31 for distributing the city water and the liquid agent from each liquid storage tank is provided above the tank housing 30. In the distribution pipe section 31, the first and second water purification nozzles 11 and 13, which are injection nozzles, the first and second detergent nozzles 12 and 15, the water repellent coating nozzle 14 and the wax nozzle 16 each have an electromagnetic valve (not shown). Derived through.

  The first and second water purification nozzles 11 and 13 are respectively arranged on the front side and the back side of the car wash machine body 1 and inject city water to the vehicle to be cleaned CA. The first and second detergent nozzles 12 and 15 are arranged on the front side and the back side of the car wash machine main body 1, respectively, and spray liquid such as shampoo to the vehicle to be cleaned CA. The water repellent coating nozzle 14 and the wax nozzle 16 are disposed on the exit surface of the car wash machine body 1. The water repellent coating nozzle 14 injects a water repellent coating agent liquid onto the vehicle CA to be cleaned. The wax nozzle 16 injects liquid wax to the vehicle CA to be cleaned.

  An operation panel 7 is disposed on the entrance surface of one stand portion 90 of the car wash machine body 1. The operation panel 7 includes operation buttons (not shown) similar to those of the remote panel 7A, and sets a car wash condition.

  The car wash machine main body 1 is provided with a blower 20 that generates an air flow to dry the vehicle to be cleaned CA. A side blower nozzle 22 and a top blower nozzle 23 are connected to the blower 20. The side blowing nozzles 22 are respectively provided at the rear end portions of the stand portion 90 and blow air toward the side surface of the vehicle CA to be cleaned. The top blowing nozzle 23 is provided in a ceiling portion 91 between the side blowing nozzle 22 and a side brush 5 described later in a side view, and blows air toward the upper surface of the vehicle CA to be cleaned.

  A shape sensor 9 is provided at the front part (entrance side) of the stand part 90 on both sides of the car wash machine body 1. The shape sensor 9 includes a photoelectric sensor, an ultrasonic sensor, and the like, and detects the outer surface shape of the vehicle CA to be cleaned that enters the car wash machine main body 1. It is determined by the shape sensor 9 whether or not the rear surface CA1 (see FIG. 5) of the vehicle CA to be cleaned is inclined.

  The car wash machine main body 1 is provided with a plurality of rotating brushes including a top brush 4, a side brush 5, and a rocker brush 6 that slide on and brush the vehicle CA to be cleaned. The top brush 4 is provided on the ceiling 91 and moves along the upper surface of the vehicle CA to be cleaned to clean the upper surface of the vehicle CA to be cleaned.

  The side brush 5 is disposed at the center in the front-rear direction of the car wash machine body 1 that moves back and forth, and has a rotating shaft 5a that extends in the up-down direction. The side brush 5 is supported by the ceiling portion 91 via the holding mechanism 25, and is movable in the left-right direction. Thereby, the side brush 5 cleans the side surface and the rear surface of the vehicle CA to be cleaned.

  The holding mechanism 25 holds the rotating shaft 5a of the side brush 5 at a predetermined inclination angle θ1 (see FIG. 5) in the vertical plane along the moving direction of the car wash machine body 1 according to the vehicle to be cleaned CA. Thereby, the side brush 5 is arranged along the rear surface of the vehicle CA to be cleaned.

  The rocker brushes 6 are respectively provided on the stand portions 90 on both sides of the car wash machine main body 1, and wash the lower part of the side surface of the vehicle CA to be cleaned.

  FIG. 3 is a top view showing the mounting structure of the rocker brush 6. The stand members 90 on both sides of the car wash machine main body 1 are provided with arm members 36 extending in the horizontal direction. The arm member 36 is pivotally supported by the stand portion 90 by the shaft portion 36a so as to be rotatable in a horizontal plane. An upper end of a shaft portion 6 a extending vertically from the rocker brush 6 is pivotally supported at the tip of the arm member 36.

  An air cylinder 37 is connected to the arm member 36. The front end of the air cylinder 37 is loosely attached to the arm member 36, and the rear end is loosely attached to the stand portion 90. As a result, the arm member 36 can be rotated about the shaft portion 36a by a predetermined rotation angle θ2 (for example, 90 °) by the advancement and retreat of the air cylinder 37. As a result, the rocker brush 6 advances and retreats between a standby position S1 arranged along the inner surface of the stand portion 90 and an advance position S2 rotated in the horizontal plane from the standby position S1 toward the entrance of the car wash machine body 1. It is made possible.

  Further, the rocker brush 6 at the advance position S2 is biased by the air pressure of the air cylinder 37 or a spring inside the air cylinder 37. When the vehicle to be cleaned CA is cleaned, the rocker brush 6 rotates in the direction of the advance position S2, and the air cylinder 37 is urged to contact the vehicle to be cleaned CA between the standby position S1 and the advance position S2. Further, a detection sensor 39 is provided in the vicinity of the air cylinder 37 to detect that the rocker brush 6 is disposed at the advance position S2.

  In the car wash machine WA having the above-described configuration, the user drives to stop the vehicle to be cleaned CA in front of the remote panel 7A, and sets the car wash conditions for the vehicle to be cleaned CA from within the vehicle to be cleaned CA. After setting the car wash conditions, when the user moves the to-be-washed vehicle CA to a predetermined washing start position, washing with the rotating brush is started.

  FIG. 4 is a top view showing a state in which the side surface of the vehicle to be cleaned CA is cleaned by the car wash machine body 1. As shown in FIG. 4, cleaning with a detergent or liquid agent is performed by each rotating brush on the forward path in which the car wash machine body 1 moves to the rear of the vehicle to be cleaned CA as indicated by an arrow D1.

  When the side brush 5 cleans the side surface of the vehicle CA to be cleaned, the rotary shaft 5a is released from the holding mechanism 25 and is arranged in the vertical direction by its own weight. The rocker brush 6 rotates in the direction of the advance position S2 from the standby position S1 where the rotation is stopped when the lower side surface of the vehicle CA to be cleaned is cleaned. And it rotates in contact with the to-be-cleaned vehicle CA between the standby position S1 and the advance position S2.

  When the rocker brush 6 reaches the rear end portion of the vehicle CA to be cleaned on the outward path, the rocker brush 6 is disposed at the standby position S1 and stops rotating. Thereby, it can prevent that the rear bumper etc. which are provided in the rear end part of the to-be-cleaned vehicle CA are damaged by being caught with the rocker brush 6.

  5 and 6 are a side view and a top view showing a state in which the rear surface of the vehicle CA to be cleaned is cleaned by the car wash machine body 1. When the to-be-cleaned vehicle CA has a predetermined shape in which the rear surface of the wagon car or the like is inclined, the rocker brush 6 is disposed at the advance position S2 in a state where the rotation is stopped after passing the to-be-cleaned vehicle CA. When the detection sensor 39 detects that the rocker brush 6 is disposed at the advance position S2, the side brush 5 is inclined at a predetermined inclination angle θ1 (for example, 15 °) toward the rear of the vehicle CA to be cleaned. Then, the rear surface of the vehicle CA to be cleaned is cleaned by the side brush 5 moving in the left-right direction.

  At this time, since the rocker brush 6 is arranged at the advance position S2 rotated from the standby position S1 toward the entrance of the car wash machine main body 1, it moves away from the side brush 5. For this reason, even if the distance between the side brush 5 and the rocker brush 6 at the time of non-cleaning is narrowed, the side brush 5 can be inclined during the rear surface cleaning. Even if the brush tip of the side brush 5 and the brush tip of the rocker brush 6 that has stopped rotating interfere with each other, there is no problem in cleaning.

  When cleaning of the rear surface of the vehicle CA to be cleaned is completed, the rotating shaft 5a of the side brush 5 is again disposed in the substantially vertical direction, and the rocker brush 6 is disposed at the standby position S1. Then, the cleaning by the side brush 5 and the top brush 4 is performed on the return path in which the car wash machine body 1 moves in front of the vehicle to be cleaned CA.

  At this time, the side brush 5 may be inclined backward due to sliding friction with the vehicle CA to be cleaned. When the rocker brush 6 rotates and performs cleaning, there is a risk that the brush may be damaged when the tip of the inclined side brush 5 and the tip of the rocker brush 6 largely interfere with each other. For this reason, the rocker brush 6 stops rotating and is disposed at the standby position S1, and even if the side brush 5 and the rocker brush 6 interfere with each other, damage to the brush can be prevented.

  When the cleaning by the rotating brushes is completed up to the front surface of the vehicle CA to be cleaned, drying by the air blowing nozzles is performed in the outward path in which the car wash machine body 1 moves to the rear of the vehicle CA to be cleaned. When drying by each blower nozzle is completed, the car wash machine main body 1 stops and the car wash is finished. The vehicle to be cleaned CA passes through the car wash machine main body 1 from the exit side of the car wash machine main body 1.

  FIG. 7 is a side view showing a cleaning state of the rear surface CA1 of another vehicle to be cleaned CA. As shown in FIG. 7, when the shape sensor 9 detects that the rear surface CA1 is a substantially vertical sedan type vehicle to be cleaned CA, the rotating shaft 5a of the side brush 5 is moved by the holding mechanism 25 when the rear surface CA1 is cleaned. The holding is released and it is arranged in the vertical direction by its own weight. At this time, the rocker brush 6 is arranged at the standby position S1, and the time for rotating to the advance position S2 can be saved.

  According to this embodiment, when the rotating shaft 5a of the side brush 5 is inclined to clean the rear surface CA1 of the vehicle CA to be cleaned, the rocker brush 6 is disposed at the advance position S2. Thereby, interference with the inclined side brush 5 and the rocker brush 6 can be prevented, and the side brush 5 and the rocker brush 6 can be arrange | positioned close to the front-back direction. Therefore, it is possible to reduce the size of the car wash machine WA. Moreover, the car wash method which can be reduced in size can be provided.

  Further, a holding mechanism 25 that holds the rotating shaft 5a of the side brush 5 at a predetermined inclination angle θ1 when the rear surface CA1 of the vehicle CA to be cleaned is cleaned is provided. Thereby, the inclined posture of the side brush 5 can be easily held along the rear surface CA1, and the cleaning power of the rear surface CA1 can be improved.

  Further, when the rocker brush 6 that comes into contact with the vehicle to be cleaned CA reaches the rear end of the vehicle to be cleaned CA, it is arranged at the standby position S1, and after passing through the vehicle to be cleaned CA, it is arranged at the advance position S2. Thereby, damage to the rear bumper etc. of the vehicle CA to be cleaned can be prevented.

  The rocker brush 6 at the standby position S1 is provided with an arm member 36 attached to the vehicle CA to be cleaned so as to be swingable in a horizontal plane and pivotally supported by the rocker brush 6 at the tip, and an air cylinder 37 for moving the arm member 36 back and forth. Is rotated in the direction of the advance position S2 by the air cylinder 37, and comes into contact with the vehicle CA to be cleaned by the urging of the air cylinder 37. Thereby, the rocker brush 6 which rotates in the direction away from the side brush 5 can be easily realized.

  The side surface of the vehicle to be cleaned CA is cleaned by the side brush 5 on the forward path in which the car wash machine body 1 moves toward the rear of the vehicle CA to be cleaned and the return path in which it moves toward the front, and the rocker brush 6 is cleaned on the vehicle CA to be cleaned in the forward path. The rocker brush 6 is disposed at the standby position S1 on the return path. Thereby, when the side brush 5 and the rocker brush 6 interfere at the time of the return path cleaning, the breakage of the brush can be prevented.

  In the present embodiment, the holding mechanism 25 may be configured so that the rotation shaft 5a can swing at a predetermined angle with respect to the inclination angle θ1. Alternatively, the holding mechanism 25 may be omitted, and the car wash machine may be configured such that the rotating shaft 5a of the side brush 5 is inclined along the rear surface CA1 by the contact between the rear surface CA1 of the vehicle CA to be cleaned and the side brush 5.

  ADVANTAGE OF THE INVENTION According to this invention, it can utilize for the car wash machine and car wash method provided with the side brush and the rocker brush.

DESCRIPTION OF SYMBOLS 1 Car wash machine body 2 Rail 3 Wheel 4 Top brush 5 Side brush 5a Rotating shaft 6 Rocker brush 6a Shaft part 7 Operation panel 8 Top brush 9 Shape sensor 20 Blower 22 Side ventilation nozzle 23 Top ventilation nozzle 25 Holding mechanism 36 Arm member 36a Axis Part 37 Air cylinder 38 Connecting member 39 Detection sensor 90 Stand part 91 Ceiling part CA Vehicle to be cleaned CA1 Rear standby position S1
Advance position S2
WA car wash machine

Claims (6)

The car wash machine body that moves relative to the vehicle to be cleaned in the front-rear direction, and the rotation axis extending in the vertical direction within the vertical plane along the movement direction of the car wash machine body with the upper end supported by the car wash machine body can be inclined. A car wash provided with a side brush for cleaning a side surface and a rear surface of a vehicle to be cleaned, and a rocker brush disposed on the entrance side of the car wash machine body relative to the side brush to clean the lower part of the side surface of the vehicle to be cleaned Machine,
The rocker brush is formed to be capable of moving back and forth between a standby position where the rocker brush is arranged along the inner surface of the car wash machine main body and an advance position rotated in a horizontal plane from the standby position toward the entrance of the car wash machine main body. And abuts the vehicle to be cleaned between the standby position and the advance position for cleaning,
When cleaning the rear surface of a predetermined vehicle to be cleaned, the rotation shaft of the side brush is inclined and the rocker brush is disposed at the advanced position ,
The rocker brush abuts against the cleaning target vehicle is disposed in the standby position to reach the rear end of the cleaning vehicle, car wash, characterized in Rukoto disposed in said advanced position after passing the object to be cleaned vehicle. The car wash machine body that moves relative to the vehicle to be cleaned in the front-rear direction, and the rotation axis extending in the vertical direction within the vertical plane along the movement direction of the car wash machine body with the upper end supported by the car wash machine body can be inclined. A car wash provided with a side brush for cleaning a side surface and a rear surface of a vehicle to be cleaned, and a rocker brush disposed on the entrance side of the car wash machine body relative to the side brush to clean the lower part of the side surface of the vehicle to be cleaned Machine,
The rocker brush is formed to be capable of moving back and forth between a standby position where the rocker brush is arranged along the inner surface of the car wash machine main body and an advance position rotated in a horizontal plane from the standby position toward the entrance of the car wash machine main body. And abuts the vehicle to be cleaned between the standby position and the advance position for cleaning,
When cleaning the rear surface of a predetermined vehicle to be cleaned, the rotation shaft of the side brush is inclined and the rocker brush is disposed at the advanced position ,
The side surface of the vehicle to be cleaned is cleaned by the side brush on the forward path in which the car wash machine moves toward the rear of the vehicle to be cleaned and the return path in which the vehicle moves toward the front, and the rocker brush contacts the vehicle to be cleaned on the outbound path. contact was washed with, car wash where the rocker brush characterized Rukoto disposed at the standby position by the return. 3. The car wash machine according to claim 1, further comprising a holding mechanism that holds the rotating shaft of the side brush at a predetermined inclination angle when the rear surface of the vehicle to be cleaned is cleaned. 4.   An arm member attached to the vehicle to be cleaned so as to be able to swing within a horizontal plane and having the rocker brush pivotally supported at a tip thereof; and an air cylinder for moving the arm member forward and backward. The car wash machine according to any one of claims 1 to 3, wherein the car wash machine rotates in a direction of the advance position by a cylinder and abuts on a vehicle to be cleaned by urging of the air cylinder. The car wash machine body that moves relative to the vehicle to be cleaned in the front-rear direction, and the rotation axis extending in the vertical direction within the vertical plane along the movement direction of the car wash machine body with the upper end supported by the car wash machine body can be inclined. A car wash provided with a side brush for cleaning a side surface and a rear surface of a vehicle to be cleaned, and a rocker brush disposed on the entrance side of the car wash machine body relative to the side brush to clean the lower part of the side surface of the vehicle to be cleaned A method,
The rocker brush is formed to be capable of moving back and forth between a standby position where the rocker brush is arranged along the inner surface of the car wash machine main body and an advance position rotated in a horizontal plane from the standby position toward the entrance of the car wash machine main body. And abuts the vehicle to be cleaned between the standby position and the advance position for cleaning,
When cleaning the rear surface of a predetermined vehicle to be cleaned, the rotation shaft of the side brush is inclined and the rocker brush is disposed at the advanced position ,
The rocker brush is disposed in the standby position to reach the rear end of the cleaning vehicle, car wash wherein the Rukoto disposed in said advanced position after passing the object to be cleaned vehicle contacts the object to be cleaned vehicle. The car wash machine body that moves relative to the vehicle to be cleaned in the front-rear direction, and the rotation axis extending in the vertical direction within the vertical plane along the movement direction of the car wash machine body with the upper end supported by the car wash machine body can be inclined. A car wash provided with a side brush for cleaning a side surface and a rear surface of a vehicle to be cleaned, and a rocker brush disposed on the entrance side of the car wash machine body relative to the side brush to clean the lower part of the side surface of the vehicle to be cleaned A method,
The rocker brush is formed to be capable of moving back and forth between a standby position where the rocker brush is arranged along the inner surface of the car wash machine main body and an advance position rotated in a horizontal plane from the standby position toward the entrance of the car wash machine main body. And abuts the vehicle to be cleaned between the standby position and the advance position for cleaning,
When cleaning the rear surface of a predetermined vehicle to be cleaned, the rotation shaft of the side brush is inclined and the rocker brush is disposed at the advanced position ,
The side surface of the vehicle to be cleaned is cleaned by the side brush on the forward path in which the car wash machine moves toward the rear of the vehicle to be cleaned and the return path in which the vehicle moves toward the front, and the rocker brush contacts the vehicle to be cleaned on the outbound path. contact was washed with, car wash wherein said return by the rocker brush characterized Rukoto disposed in said standby position.

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