KR200421035Y1 - Auto car washer for vehicle - Google Patents

Abstract

The present invention relates to a mobile automatic car wash for a large vehicle, and more particularly, a wheel washing brush is installed on a part of the automatic car wash, so that when washing a large vehicle automatically, the car body as well as the wheel can be washed automatically. A mobile automatic car wash for a vehicle.

Car Wash, Side Brush, Upper Brush, Wheel Brush, Vehicle

Description

Portable car wash for large vehicles {Auto car washer for vehicle}

1 is a front view schematically showing a conventional automatic car wash for a large vehicle,

Figure 2 is a side cross-sectional view schematically showing a conventional automatic car wash for a large vehicle,

Figure 3 is a front view schematically showing a mobile automatic car wash for a large vehicle according to the present invention,

Figure 4 is a side cross-sectional view schematically showing a mobile automatic car wash for a large vehicle according to the present invention,

5 is a perspective view showing only the wheel washer in the present invention,

6 is a partial perspective view showing a portion of FIG. 5 from the rear;

7 is a partial cross-sectional view showing a state in which the wheel brush is planted in the rotating cylinder in the wheel washer according to the present invention,

8a and 8b is an operation of the wheel washer according to the present invention.

◎ Explanation of symbols for main part of drawing

10: case 12: door

14: roller 16: rail

18: guide rod 20: roller driving means

30: vertical axis 32: side brush

34: side brush motor 40: horizontal rotating shaft

42: upper brush 44: motor for the upper brush

46: vertical bar 48: assembly block

50: lift driving means 100: wheel washer

110: wheel brush 112: rotating cylinder

114: coupling rod 116: fitting hole

118: seal 120: wheel brush motor

130: frame 132: front and rear guide rod

140: front and rear moving plate 142: front and rear guide ring

144: left and right guide rods 146: rack gear

150: cylinder 152: rod

160: left and right moving plate 160-1: left and right moving plate

160-2: left and right move bottom plate 162: left and right guide ring

164: screw rod 166: nut

170: drive motor 172: pinion gear

N: nozzle P: pump

S: Position sensor W: Wheel

The present invention relates to a mobile automatic car wash for a large vehicle, and more particularly, a wheel washing brush is installed on a part of the automatic car wash, so that when washing a large vehicle automatically, the car body as well as the wheel can be washed automatically. A mobile automatic car wash for a vehicle.

Generally, a car wash is a device that washes the front, top, rear, and side surfaces of a vehicle while rotating a plurality of brushes installed in the horizontal and vertical directions. A large car wash (applied to a bus, truck, etc.) and a general car wash (car) It is divided into fixed type and mobile type according to the car wash method. Here, the fixed type is a car wash in which the car washes while the vehicle passes through the car wash case fixedly installed on the ground, and the movable type is a car wash in which the car wash case moves forward and backward while the vehicle is stopped.

1 and 2 illustrate an example of a mobile automatic car wash for a large vehicle according to the prior art.

Referring to this, the conventional mobile car washing machine for a large vehicle is provided with a case 10 having a door 12 so that the vehicle can pass, the case 10 is reciprocated in the front and rear direction of the vehicle along the rail 16 It is configured to be transportable. The vertical rotation shaft 30 is rotatably installed on both sides of the case 10, and side brushes 32 are provided on the outer surface of the vertical rotation shaft 30. Accordingly, the side brushes 32 are rotated together with the vertical rotation shaft 30, and are washed along the rail 16 along with the case 10 to wash both sides of the vehicle. In addition, a horizontal rotating shaft 40 is rotatably installed at an upper portion of the case 10, and is installed to be reciprocated in a vertical direction along the vertical bar 46. An upper brush is disposed on an outer surface of the horizontal rotating shaft 40. 42 is provided. Accordingly, the upper brush 42 is rotated along with the horizontal rotating shaft 40, and the upper brush 42 is washed along with the rail 16 along with the case 10, and the upper and lower sides of the vehicle are washed along the vertical bar 46. It is transported in the direction to install the front and rear of the vehicle. On the other hand, a part of the case 10 is provided with a nozzle (N) for spraying and supplying the washing water to the vehicle for car wash.

Referring to the conventional method for washing a mobile automatic car wash for a large vehicle configured as described above, when the large vehicle enters the car and stops at a predetermined position, the upper brush is first rotated and the lowering and raising operation is performed along the vertical bar. Will wash. Then, when the front washing of the vehicle is completed, the side brush is rotated together with the upper brush and the case is advanced to wash the top and both sides of the vehicle. Then, when the car wash case reaches the rear of the vehicle, the upper brush washes the rear of the vehicle while lowering and raising again. Finally, when the case is retracted to return to the original position again, the car is washed again once the upper and both sides of the vehicle are washed again.

However, the conventional automatic car wash for a large vehicle constructed and operated as described above has a disadvantage that the front, top, rear, and side surfaces of the vehicle are cleanly washed by moving various car wash cases and rotating the brushes, but wheel cleaning is impossible. In particular, in the case of a large commercial vehicle such as a bus, the cleanliness of the vehicle is very important as part of the service to the passengers. The above-mentioned conventional automatic car washes cannot be washed because the wheels can be easily seen by the naked eye. Later, there was a problem that adversely affects the image of the entire vehicle.

On the other hand, Korean Utility Model No. 315046 discloses a vehicle wheel cleaning device. However, the wheel cleaning device disclosed in this utility model is applied to a fixed automatic car wash. Since the automatic car wash is used to wash the car while the car wash case is fixed, the wheel of the large vehicle and the wheel cleaning brush Inconvenient and difficult to match the center had a problem that the efficient wheel cleaning is not made. In addition, if you look at the structure of the wheel cleaning brush, the brush is installed vertically with respect to the front and side of the rotating disc, because it is rotated in the installed state, so that the part located between the brush on the front side and the brush on the side cannot be cleaned. In the case of a wheel located in the rear wheel of a large vehicle, that is, a wheel deeply penetrated into the tire, there was a problem in that the corner portion could not be cleaned.

The present invention has been made in order to solve the various problems as described above, the purpose is to install a wheel cleaning brush in addition to the side brush and the upper brush in the car wash removable case, the wheel cleaning brush is a case When the wheel of a large vehicle is detected while moving along with the wheel, the movement length of the brush is adjusted according to the difference of the wheel position of the front and rear wheels of the large vehicle, and it is designed to wash the wheel while rotating when the wheel position is reached. Therefore, the present invention provides a portable automatic car wash for a large vehicle that enables to wash not only a vehicle body but also a wheel of a large vehicle.

Another object of the present invention is that the wheel cleaning brush is a mobile automatic movable for a large vehicle that allows the brush to be radially unfolded when the rotating brush installed in the brush is rotated, so that the rear wheel of the large vehicle can be completely washed to every corner of the wheel located deeply. To provide a car wash.

Mobile automatic car wash for a large vehicle according to the present invention for achieving the above object and other objects is installed in the case is provided with a door so that the large vehicle can pass reciprocating forward and backward along the rail, inside the door The side brush and the upper brush are rotatably installed on both sides and the upper part, respectively, and the case of the portable car washing machine for a large vehicle that washes the vehicle body by using the wash water supplied while the side brush and the upper brush move and rotate together with the case. Wheel washers are installed symmetrically with each other to wash the wheels of large vehicles at the bottom of both sides of the door, which are connected to the shaft of the wheel brush motor and the wheel brush motor, A number of wheel brushes that are planted on the outer circumferential surface of the rotating cylinder and rotated together with the rotating cylinder, It moves in the front and rear direction (orthogonal to the vehicle entry direction) to guide the wheel brush to be in close contact with the wheel of the vehicle, and also moves the wheel brush in the left and right direction (the same direction as the vehicle entry direction). Wheel brush moving means for guiding the center of the wheel of the vehicle, a position sensor for detecting and transmitting a signal when the wheel cleaner is located on the wheel of the vehicle while the wheel cleaner moves with the case, and a position sensor When the signal is received, the wheel brush moving means for operating the wheel brush to move forward to be in close contact with the wheel of the vehicle as well as a control unit for operating a wheel brush motor to rotate the wheel brush.

And the hemispherical rotary cylinder is formed through a plurality of fitting holes at predetermined intervals on the outer circumferential surface, the fitting hole formed around the side is formed to be inclined upwardly inclined upward in the direction of the wheel of the vehicle to install the wheel brush planted through the fitting hole is inclined The wheel brush is characterized in that the bundle is folded in half and inserted in each of the corresponding fitting hole to the folded portion, and then weaving the folded portion in the inside of the rotating cylinder with thread.

And the wheel brush movement means is a frame installed on both sides of the door provided in the case; Front and rear guide rods installed long in the front and rear direction (direction perpendicular to the vehicle entry direction) on the frame; Front and rear moving plate formed on the bottom of the front and rear guide ring slidably assembled to the front and rear guide rods; A cylinder installed at a portion of the frame, the end of the rod being connected to the front and rear movable plate to move the front and rear movable plate back and forth according to the stretching action of the rod; Left and right guide rods long installed in the direction orthogonal to the front and rear guide rods (same direction as the vehicle entry direction) on the front and rear movable plate; Left and right guide rings slidably assembled to the left and right guide rods are formed on the bottom surface, and the left and right moving plates on which the wheel brush motor is fixed; Rack gear fixedly installed in the left and right direction at the rear end of the left and right movable plate; A pinion gear meshed with the rack gears to move the rack gears according to the rotation direction to move the left and right moving plates left and right; And a drive motor installed at a portion of the front and rear moving plate, selectively forward / reversely rotated, and the motor shaft coupled to the pinion gear.

And two side brushes are installed on each of the two sides of the door provided in the case, one side brush is characterized in that the forward rotation and the other side brush is configured to reverse rotation.

The object of the present invention described above will become more apparent from the preferred embodiment of the present invention described below with reference to the accompanying drawings.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. The same components as in the prior art will be described using the same names and symbols as in the prior art.

3 is a front view schematically showing a mobile automatic car wash for a large vehicle according to the present invention, FIG. 4 is a side sectional view, FIG. 5 is a perspective view showing only a wheel washer in the present invention, and FIG. 6 is a rear view of FIG. 5. 7 is a partial sectional view showing a state in which a wheel brush is planted in a rotating cylinder in the wheel washer according to the present invention, and FIGS. 8a and 8b are operation views of the wheel washer according to the present invention.

3 to 7, a mobile automatic car wash for a large vehicle according to the present invention includes a case 10 having a door 12 so that a vehicle can pass therethrough, and a roller 14 is provided on the bottom of the case 10. ) Is installed so that the case 10 is reciprocally transported in the front-rear direction of the vehicle along the rail 16. Here, the roller 14 is installed to move along the rail 16 while rotating through the known roller driving means 20. For reference, as an example of the roller driving means 20, a roller motor provided in a part of the case, a drive sprocket rotating by receiving power from the roller motor, and a driven sprocket rotating by transmitting power of the driving sprocket. And, it is composed of a chain for transmitting the power of the drive sprocket to the driven sprocket, the roller is connected to the driven sprocket is configured to be driven together.

Next, on both sides of the door 12 provided in the case 10, the vertical rotation shaft 30 is rotatably installed to receive the power of the side brush motor 34, and the outer surface of the vertical rotation shaft 30, respectively. There are a plurality of side brushes (32). In particular, the vertical rotation shaft 30 and the side brush 32 in the present invention is installed on each of the two sides of the door 12, respectively, one side brush 32 is the forward rotation and the other side brush 32 Is configured to reverse. Here, the two side brushes 32 are configured to rotate in opposite directions to increase the efficiency of cleaning. In this way, the side brush 32 is rotated along with the vertical rotation shaft 30, along with the case 10 is transported along the rail 16 is configured to wash both sides of the large vehicle.

In addition, the upper portion of the door 12 provided in the case 10, the horizontal rotating shaft 40 is installed to be rotatable by receiving the power of the upper brush motor 44, the upper brush on the outer surface of the horizontal rotating shaft 40 42 is provided. And an assembly block 48 is coupled to both ends of the horizontal rotating shaft 40, the assembly block 48 is assembled to be slidable to the vertical bar 46 installed in the case 10 by the elevating drive means (50) It is installed to be movable up and down along the vertical bar 46. Here, the lifting driving means 50 may apply a known technique. For reference, one example of the elevating driving means 50, the lifting motor and the driving motor is rotated by receiving the power of the lifting motor, the drive sprocket installed on the upper portion of the vertical bar 46, and the vertical bar 46 A driven sprocket installed at the lower part, one end is connected to the drive sprocket, and the other end is connected to the driven sprocket, and the chain circulates between the drive sprocket and the driven sprocket, and is installed on the assembly block 48 installed on the vertical bar 46 and the chain This circular operation consists of a moving sprocket which is conveyed up and down along the chain rotational direction.

Next, in particular, the present invention is provided on the lower side of both sides of the door 12 provided in the case 10, the wheel cleaner 100 is installed symmetrically with each other to wash the wheel of the large vehicle, respectively.

The wheel washer 100 according to the present invention is a wheel brush motor 120, a hemispherical rotary cylinder 112 is connected to the shaft of the wheel brush motor 120 through a coupling rod 114 is rotated, and It is provided with a plurality of wheel brushes 110 that are planted on the outer circumferential surface of the rotating cylinder 112 and rotates together with the rotating cylinder 112. Here, when the wheel brush 110 is described in the structure is planted in the rotating cylinder 112, the hemispherical rotating cylinder 112 is formed through a plurality of fitting holes 116 at predetermined intervals on the outer peripheral surface, side circumference The fitting hole 116 formed in the wheel is formed to be inclined upwardly inclined toward the wheel of the vehicle is configured so that the wheel brush 110 planted through the fitting hole 116 is inclined, the wheel brush 110 is approximately 5 to 20 strands After folding the bundle made in half, each of the folded portions are fitted into the corresponding fitting holes 116, and then, the inside of the rotary tube 112 is woven with the thread 118 to be fixed. In this case, the inclined planting of the wheel brush 110 is to allow the wheel brush 110 to be washed wider when the rotating cylinder 112 rotates, and in particular, the wheel portion of the rear wheel of a large vehicle. This is to clean the corners.

Subsequently, the wheel cleaner 110 moves the wheel brush 110 in the front-rear direction (the same direction as the direction orthogonal to the vehicle entrance direction) in the front-rear direction (the direction set on the basis of the operation of the wheel brush). The wheel brush 110 is moved to the left and right directions (in the direction set based on the operation of the wheel brush, in the same direction as the vehicle entry direction) in addition to guiding to be in close contact with the wheel (W) of the wheel brush. Wheelbrush moving means for guiding the 110 to be located at the center of the wheel W of the vehicle is provided.

Herein, the configuration of the wheel brush moving means will be described in more detail. The frame 130 provided on both side surfaces of the door 12 provided in the case 10 and the front and rear directions (orthogonal to the vehicle entry direction) on the frame 130. Direction, the front and rear guide rods 132 installed long, the front and rear guide rings 142 slidably assembled to the front and rear guide rods 132, and formed on the bottom of the front and rear movable plate 140, and a part of the frame 130. Is installed, the end of the rod 152 is connected to the front and rear movable plate 140, the cylinder 150 and the front and rear movable plate 140 to move the front and rear movement plate 140 according to the expansion and contraction of the rod 152, 140 The left and right guide rods 144 long installed in the direction orthogonal to the front and rear guide rods 132 (same direction as the vehicle entry direction) and the left and right guide rings 162 slidably assembled to the left and right guide rods 144 are provided. It is formed on the bottom surface, the upper and left movable plate (the wheel brush motor 120 is fixed) 160 and the rack gear 146 fixedly fixed to the rear end of the bottom of the left and right moving plate 160 in the left and right direction, and the rack gear 146 is engaged to move the rack gear 146 according to the rotation direction to move left and right A pinion gear 172 for moving the plate 160 left and right, and a driving motor 170 installed at a portion of the front and rear moving plate 140 and selectively forward / reversely rotated and coupled to the motor shaft with the pinion gear 172. It is configured to include. By this configuration, the wheel brush 110 is selectively moved back and forth along the front and rear guide rods 132, and is selectively moved left and right along the left and right guide rods (144). Here, the left and right moving plate 160 is divided into a left and right moving top plate 160-1 and a left and right moving bottom plate 160-2 which are installed to be spaced apart from each other vertically so that the wheel brush motor 120 is moved to the left and right moving top plate 160-. 1), the left and right movable lower plate (160-2) is formed with a screw rod 164 extending in the upward direction, the left and right movable upper plate (160-1) screw rod 164 is penetrated and the left and right movable upper plate ( The nut 166 is fastened to the screw rod 164 on the upper surface and the lower surface of the 160-1 and is configured to be fixed at a position where the left and right movable upper plate 160-1 is adjusted up and down. And the wheel brush 110 and the wheel (W) is in close contact with the well-known pressure regulator to install the wheel brush 110 while advancing and close to the wheel (W) by detecting the pressure regulator to further limit the further advance and At the same time the wheel brush motor 120 is operated to clean the wheel by the rotation. Therefore, the wheel brush 110 is a forward movement range varies depending on the position of the wheel of the front wheel and the rear wheel of a large vehicle, it is possible to move to the correct position. In addition, when the wheel brush 110 is operated from side to side to be located at the center of the wheel (W), it is configured to automatically position the drive motor 170 by using a known sensor to rotate the position forward / reverse You can also do this, and even if there is a slight difference in position, it can be cleaned, so you can set the position manually.

Subsequently, the wheel washer 100 has a case 10 and the wheel cleaner 100 moves along with the case 10 while the wheel washer 100 is located on the wheel of the vehicle to detect a position sensor S for transmitting a signal and a position, When the signal of the sensing sensor S is received, the wheel brush moving means is operated to move the wheel brush 110 in close contact with the wheel W of the vehicle, and the wheel brush motor 120 is operated to operate the wheel brush ( It is configured to include a control unit (not shown) for rotating the 110. Here, the control unit may be configured to control the overall operation of the wheel washer 100 in conjunction with the control unit of the car wash.

On the other hand, a portion of the case 10 is provided with a nozzle (N) associated with the pump (P) for spraying and supplying the washing water to the vehicle body or wheel for washing the car, and the car is entering the bottom of the car is the correct position for washing Guide rods 18 are installed to guide them to stand on.

Now, the operation and action effects of the car wash method of the present invention configured as described above will be described.

First, the front part of the large vehicle enters the door 12 formed in the car wash case 10 and is guided along the guide rod 18 to stop at a predetermined position for washing. When the car wash is operated in this state, the upper brush 42 is rotated by the operation of the upper brush motor 44, and the lifting drive means 50 is operated, and the upper brush 42 moves the vertical bar 46. As it moves up and down, it washes the front of a large vehicle. Next, when the front washing of the large vehicle is completed, the case 10 is moved along the rail 16 and the upper brush 42 is rotated by the operation of the upper brush motor 44 and the side brush is used. As the side brush 32 is rotated by the operation of the motor 34, the upper and both sides of the large vehicle are cleaned. Next, when the case 10 moves to the rear of the large vehicle and the top and both sides of the large vehicle are washed, the large brush washes the rear while the upper brush 42 moves up and down as described above. Next, when the front, both sides, the upper surface, the rear washing of the large vehicle is completed, the case 10 is moved to the original position along the rail 16 to return to the original position, the position detecting sensor provided in the wheel washer ( S) is activated to detect the wheel brush 110 is located on the rear wheel (W) of a large vehicle to transmit a signal. When the signal of the position sensor S is received in this way, the control unit stops the movement of the case 10 and operates the wheel brush moving means so that the wheel brush 110 moves forward to closely contact the wheel W of the large vehicle. In addition, the wheel brush 110 is rotated through the wheel brush motor 120 to wash the rear wheel of a large vehicle. Next, when the rear wheel washing of the large vehicle is completed, the wheel brush 110 is returned to its original position and at the same time, the case 10 moves along the rail 16 to return to the original position, and the position sensor ( The operation of S) detects that the wheel brush 110 is located on the front wheel of the large vehicle and transmits a signal. When the signal of the position sensor S is received in this way, the control unit stops the movement of the case 10 and operates the wheel brush moving means again, so that the wheel brush 110 moves forward to be in close contact with the wheel W of a large vehicle. In addition, the front wheel wheel of the large vehicle is washed by rotating the wheel brush 110 through the wheel brush motor 120. Next, when the front wheel washing of the large vehicle is completed, the wheel brush 110 is returned to the original position again, and at the same time the case 10 is moved along the rail again to return to the original position, all the washing process is completed.

The automatic car wash for a large vehicle according to the present invention, which is constructed and operated as described above, performs a washing operation, and a wheel cleaning brush is additionally installed in the movable case in addition to the side brush and the upper brush, thereby moving the case (moving) of the large vehicle. Car washes are performed on the front, side, top and rear surfaces, and the wheel is washed with the case retracted (reversed) .A single car reciprocating operation makes the exterior of a large vehicle clean and perfect at once. You can wash your car.

In particular, the present invention, even if the position of the front wheel and the rear wheel wheel wheel is different by the action of the known pressure regulator to determine the forward movement range according to the position, thus excellent cleaning is made. For reference, in the case of a large vehicle, the front wheels are one by one and the rear wheels are two pairs of structures. Therefore, the front wheels are provided to protrude to the outside as schematically shown in FIG. 8A. Since the tires should be fitted two by two, the wheel is provided at the center and the tire is disposed on both sides thereof so as to have a predetermined depth inward as shown in FIG. 8B. According to the characteristics of such a tire, the present invention uses a sensor, such as a pressure regulator, to control the movement range of the wheel brush differently as shown in FIGS. 8A and 8B, thereby achieving better washing.

In addition, the present invention because the brush is planted inclined to the rotating cylinder, when the rotating cylinder is rotated, the brush is radially unfolded and rotated, thereby completely cleaning the rear wheel of a large vehicle, that is, every corner of the deeply located wheels. It becomes possible.

In addition, the present invention is excellent because the side brushes are rotated in the forward and reverse directions at the same time even if the side brushes once pass through the side of the vehicle because the two side brushes are installed on each side of the car washing machine, respectively. It will have a cleaning efficiency.

As described above, the present invention has a wheel brush is installed in addition to the side brush and the upper brush in the automatic automatic car wash, it is effective to wash the wheels as well as the body of a large vehicle. In addition, the present invention is to control the position of the wheel brush automatically according to the position of the front wheel and the rear wheel, as well as the front wheel and rear wheel of a large vehicle because it rotates widely while radially unfolding when the wheel brush is rotated. There is an effect that can be cleaned thoroughly every corner.

As described above, the present invention has been illustrated and described in connection with specific embodiments, but it is understood that various modifications and changes can be made without departing from the spirit and scope of the invention as indicated by the claims. Anyone who owns it can easily find out.

Claims (4)

The case is provided with a door to allow large vehicles to pass through the rail so as to be reciprocated in the forward and backward directions. The side brushes and the upper brushes are rotatably installed on both sides and the upper side of the door, respectively. In the automatic car washing machine for a large vehicle to wash the vehicle body using the washing water supplied while the upper brush is moved and rotated with the case, Wheel washers are installed symmetrically with each other so as to wash wheels of a large vehicle, respectively, at the bottom of both sides of the door provided in the case, the wheel washers being connected to and rotated by the wheel brush motor and the shaft of the wheel brush motor. Hemispherical rotating cylinder, a plurality of wheel brushes planted on the outer circumferential surface of the rotating cylinder and rotated together with the rotating cylinder, and move the wheel brush in the front-back direction (the direction perpendicular to the vehicle entry direction) to selectively adhere the wheel brush to the wheel of the vehicle. Wheelbrush moving means for guiding the wheelbrush to the left and right direction (in the same direction as the vehicle entry direction) and guiding the wheelbrush to the center of the wheel of the vehicle, and the wheel cleaner together with the case. While the wheel cleaner is located on the wheel of the vehicle, it detects the position sensor and transmits a signal. When the signal of the position sensor is received, And a control unit for operating the wheel brush moving means to move the wheel brush in close contact with the wheels of the vehicle and to control the wheel brush to rotate the wheel brush. The method of claim 1, The hemispherical rotary cylinder is formed with a plurality of fitting holes penetrate at predetermined intervals on the outer circumferential surface thereof, and the fitting holes formed on the side circumference are formed to penetrate upwardly in the direction of the wheel of the vehicle so that the wheel brushes planted through the fitting holes are inclinedly installed. Consists of, the wheel brush is folded in half, a mobile car wash for a large vehicle, characterized in that the folded parts are fitted into the corresponding fitting hole, respectively, and then weaved and fixed to the folded parts inside the rotary tube. The method according to claim 1 or 2, The wheel brush moving means Frames installed on both sides of the door provided in the case; Front and rear guide rods long installed in the front and rear direction (direction perpendicular to the vehicle entry direction) on the frame; Front and rear movable plate formed on the bottom of the front and rear guide ring slidably assembled to the front and rear guide rods; A cylinder installed at a portion of the frame, the end of the rod being connected to the front and rear movable plate to move the front and rear movable plate back and forth according to the stretching action of the rod; Left and right guide rods are installed long on the front and rear movable plate in the direction orthogonal to the front and rear guide rods (same direction as the vehicle entry direction); Left and right guide rings slidably assembled to the left and right guide rods are formed on a bottom surface thereof, and an upper and left moving plate on which the wheel brush motor is fixed; A rack gear fixed to the rear end of the left and right movable plates in a longitudinal direction; A pinion gear meshed with the rack gears to move the rack gears in a rotational direction to move the left and right moving plates left and right; And Is installed on a portion of the front and rear plate, and selectively forward / reverse rotation, the motor shaft is a mobile car wash, characterized in that it comprises a drive motor coupled to the pinion gear is coupled. The method according to claim 1 or 2, The side brushes are installed on each of the two sides of the door provided in the case, one side brush is a forward rotation and the other side brush is a mobile automatic car wash, characterized in that configured to reverse rotation.

Images