JP2002019586A - Car washing device, and splash preventing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a car washing device capable of effectively utilizing the site of a gas station by using a car washing place for other purposes, and a splash preventing device capable of effectively preventing splash during car washing. SOLUTION: This car washing device is provided with a hose containing case 11 provided on a canopy 2 at an upper part of a car washing zone 1 in a gas station site, a hose moving mechanism 12 contained in the hose containing case 11, an elevation mechanism 13 installed on the hose moving mechanism 12, a spray nozzle 14 elevated by the elevation mechanism 13, and a cleaning unit 34 to selectively supply water, cleaning liquid and air to the spray nozzle 14.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a car washing apparatus capable of effectively utilizing the site of a gas station and a splash prevention apparatus used for the car washing apparatus.

[0002]

2. Description of the Related Art Conventionally, a car washing device installed in a gas station is:
For example, a gate-type car wash machine or the like in which a gate-shaped car wash machine main body that runs across automobiles runs on rails is used. This type of car washer does not interfere with normal refueling,
Many are located in the corners of gas station sites.

[0003]

However, in the conventional portal type car washer, a rail is laid on the ground and the car washer is run on the rail. However, a dedicated car wash place where the car wash machine body moves on the rail is required, and other uses cannot be made even when the car is not washed. Therefore, if the site of the gas station is small, there are disadvantages that even if it can be installed, it will be a hindrance to refueling, water and washing liquid splashing during car washing will scatter around, and there will be less room for vehicles to enter and leave. Was. The applicant of the present application has proposed a portal type spray car washing machine which is installed in close contact with a fire protection fence in Japanese Patent Application No. 10-345059.

[0004] The present invention has been made in view of the above circumstances,
It is an object of the present invention to provide a car wash device that can effectively use the site of a gas station by using a car wash place elsewhere, and a splash preventing device that can effectively prevent splashes of splashes during car washing.

[0005]

According to the first aspect of the present invention, there is provided a hose storage case provided in a canopy in an upper part of a car wash area on a gas station site.
A hose moving mechanism housed inside the hose housing case, an elevating mechanism attached to the hose moving mechanism, and a spray nozzle which is elevated and lowered by the elevating mechanism,
A cleaning unit for selectively supplying water, a cleaning liquid, and air to the spray nozzle is provided. By returning the spray nozzle to the initial position by the hose moving mechanism or the elevating mechanism, the car wash area is not occupied by a dedicated car wash machine, etc., so that it does not interfere with refueling work and can be used for other purposes, It will be possible to effectively use the site of the gas station.

According to the second aspect of the present invention, a hose storage case cantilevered above the fire protection fence above a car wash area near a fire protection fence at a gas station premises, and the inside of the hose storage case. A hose moving mechanism housed in the hose moving mechanism, an elevating mechanism attached to the hose moving mechanism, a spray nozzle which is moved up and down by the elevating mechanism, and washing for selectively supplying water, washing liquid and air to the spray nozzle. And a unit.
The car wash device can be attached to the fire wall using a cantilever, and the site near the fire wall can be used effectively.

According to the third aspect of the present invention, an elevating mechanism provided on a canopy above a car wash area on a gas station site, a spray nozzle provided on a frame which is raised and lowered by the elevating mechanism, and the spray nozzle A cleaning unit for selectively supplying water, a cleaning liquid, and air to the nozzle. By returning the frame to the initial position by the lifting mechanism, the site of the gas station can be effectively used.

[0010] According to the present invention, a fixed spray nozzle attached to a canopy above a car wash area on a gas station site, and water, a cleaning liquid and air are selectively supplied to the spray nozzle. And a cleaning unit for cleaning. Since the fixed type spray nozzle is provided in the canopy, the site of the gas station can be effectively used.

According to the invention described in claim 5, a curtain for covering the periphery of a car wash area on a gas station site to prevent splashes from scattering, and the curtain attached to a canopy above the car wash area is wound around the curtain. And a roll for winding and unwinding the curtain with a motor. The curtain effectively prevents splashing of splashes during car washing.

In the invention according to claim 6, a car wash area is provided near a corner of a fire protection fence on a gas station site, and a curtain is provided so as to be movable around the car wash area excluding the fire protection fence side. It is a feature. The corner of the fire wall is used as a car wash area, and the curtain can effectively prevent splashes of splashes during car wash.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to an embodiment shown in the drawings. 1 to 4 are views for explaining a car wash apparatus according to a first embodiment of the present invention, FIG. 1 is a cross-sectional view of the car wash apparatus, FIG. 2 is a side view of the car wash apparatus, FIG. FIG. 4 is an enlarged cross-sectional view of the car wash apparatus of FIG. 2 taken along line AA.

In these figures, a car wash apparatus 10 according to the first embodiment is provided in a canopy 2 above a car wash area 1 on a gas station site, and is provided with water above a car 3 stopped in the car wash area 1. This is a device that moves a spray nozzle for washing liquid or air to wash the car. The canopy 2 around the car wash device 10 is provided with a splash prevention device 40 for covering the periphery of the car wash area 1 with a curtain or the like.

The car wash device 10 includes a hose storage case 11
A hose moving mechanism 12 housed inside the hose housing case 11;
, A spray nozzle 14 that is raised and lowered by the lifting mechanism 13, a cleaning unit 34 for selectively supplying water, a cleaning liquid, and air to the spray nozzle 14, and the like. The hose storage case 11 is formed in an elongated box shape with a small trapezoidal cross section on the lower side, and attached to the lower portion of the canopy 2 above the car wash area 1. Further, a slit portion 11a for the reciprocating movement of the elevating mechanism 13 is formed in a lower portion of the hose storage case 11.

The hose moving mechanism 12 is provided in the hose storage case 11, and is provided with water,
Hose reel 15 (a, b,
c) and a hose 16 (a, b, c) wound around the hose reel 15 (a, b, c) and fed out, respectively.
A carriage 17 that moves along the longitudinal direction on the distal end side of the hose 16 (a, b, c), and a rail 18 provided at the bottom of the hose storage case 11 that guides the movement of the carriage 17
And a traveling device 19 including a motor for driving a chain for causing the carriage 17 to reciprocate along the rail 18.

The elevating mechanism 13 has a vertically long guide member 20 having one side attached to the carriage 17 and the other side protruding downward from the slit portion 11a. A lifting arm 21 formed in a pipe shape to which a spray nozzle 14 (a, b, c) for injecting air is attached; a motor 22 attached to the carriage 17 for raising and lowering the lifting arm 21; A guide roll 23 and the like are provided on the upper end side to guide the hose 16 (a, b, c). Then, the hose reel 15 (a, b,
c) the hoses 16 (a, b,
The tip of (c) is guided by a guide roll 23, further guided into the elevating arm 21 of the elevating mechanism 13, and connected to the corresponding spray nozzle 14 (a, b, c) inside.

The spray nozzle 14 (a, b, c)
Three nozzles that spray water, cleaning liquid and air,
Horizontal sections 24 each sufficiently larger than the width of the car
And a bent portion 25 whose both end portions are bent downward, and a vertical portion 26 communicating with the center of the horizontal portion 24. The vertical portion 26 is inserted from the lower end side of the lifting arm 21 and internally. The hoses 16 (a,
b, c). Spray nozzle 1
4 (a, b, c) has a large number of nozzle holes 33 formed in the horizontal portion 24 and the bent portion 25 for jetting water, cleaning liquid and air toward the automobile 3, respectively.

The cleaning unit 34 includes the spray nozzle 14
(A, b, c) are parts for supplying water, cleaning liquid and air to each of the parts (a, b, c), and a water pump 28 for pumping and supplying water from a water tank 27 and a cleaning liquid pump 30 for pumping and supplying cleaning liquid from a cleaning liquid tank 29 And a blower 31 for supplying air, a water pump 28 and a cleaning liquid pump 3 respectively.
And a pipe 32 (a, b, c) for communicating between the blower 31 and the hose reel 15 (a, b, c). The water pump 28, the cleaning liquid pump 30 and the blower 31, the elevating motor 22 and the traveling device 19 are controlled by a control device (not shown) according to the cleaning process.

The splash prevention device 40 is, for example, a car wash area 1
Curtain 41 for covering the periphery of the car and preventing splashes
Is wound around a roll 42 driven by a motor or the like attached to a lower portion of the canopy 2. Such a curtain 41 is made of, for example, a transparent sheet,
It is desirable to see the car 3 inside.

Next, the operation of the car wash apparatus 10 will be described. First, the vehicle 3 is moved to the car wash area 1 and the
The motor of the zero roll 42 is driven to lower the curtain 41 to cover the periphery of the car wash area 1. Next, the hose moving mechanism 1
2 and the elevator motor 22 of the elevator mechanism 13 is driven to drive the spray nozzle 14 (a,
b, c) are positioned on the upper side of one side (front side) of the automobile 3. Next, based on a predetermined car washing process, the traveling device 19 of the hose moving mechanism 12 is driven to drive the spray nozzle 1.
4 (a, b, c) is reciprocated, and the water pump 28, the cleaning liquid pump 30 and the blower 31 of the cleaning unit 34 are selectively driven in accordance with the reciprocation to selectively drive the spray nozzles 14 (a, b, c).
Water, cleaning liquid or air is sprayed from the nozzle holes 33 of b and c). Typical car washing processes include a water washing process to spray water, a shampoo process to spray cleaning liquid,
A water washing step of spraying water to wash away the cleaning liquid, a drying step of spraying air to dry the attached water, and the like. After the end of the car washing, the traveling device 19 or the elevating motor 22 is driven to drive the spray nozzle 14 (a,
b, c) is returned to the initial position, and the motor of the roll 42 of the splash prevention device 40 is driven to wind up the curtain 41.

In the car washing apparatus 10 having the above structure, the car washing area 1
Water is moved by a hose moving mechanism 12 and a lifting mechanism 13 of a hose storage case 11 attached to the upper canopy 2.
Spray nozzle 14 for spraying cleaning liquid or air
The car 3 stopped in the car wash area 1 can be washed by reciprocating (a, b, c) in the horizontal direction or moving up and down, and after the car wash, the spray nozzle 14 (a, Since b and c) are returned to the initial position by the hose moving mechanism 12 or the elevating mechanism 13, the car wash area 1 is not occupied by a dedicated car wash machine or the like, so that it does not hinder the refueling work and is used for other purposes. It is possible to make effective use of gas station sites. During car washing, the periphery of the car wash area 1 is covered with the transparent curtain 41 by the splash prevention device 40, so that splashes of water, washing liquid and the like are prevented from splashing to the surroundings, and the car washing state is passed through the transparent curtain 41. You can see.

FIG. 5 is a perspective view of a car washing apparatus according to a second embodiment of the present invention. Parts and members corresponding to the first embodiment are denoted by the same reference numerals.

The car washing device 50 according to the second embodiment includes a first
A hose moving mechanism 12 for horizontally reciprocating a spray nozzle 14 (a, b, c) guided by a guide member 20 having the same configuration as that of the embodiment and attached to the lower end of an elevating arm 21, and an elevating device for elevating the device. The hose storage case 11 provided with the mechanism 13 is attached to the
It is attached by a cantilever along the side surface of the fire protection fence 52, and the lower part of the hose storage case 11 is the car wash area 1. A car detection sensor 53 for detecting the car, a height detection sensor 54 for detecting the height of the car, and a lamp 55 for indicating that the car is being washed are attached to the side of the fire protection fence 52 to which the hose storage case 11 is attached. I have. Other configurations are the same as those of the first embodiment.

In the car washing apparatus 50 having the above-described structure, the spray nozzles 14 (a, b, c) are reciprocated in the horizontal direction by the hose moving mechanism 12 and the elevating mechanism 13 as in the first embodiment, or vertically moved. By doing so, the car stopped in the car wash area 1 can be washed, and after the car wash, the spray nozzle 14 (a, b, c) is returned to the initial position, so that the site of the gas station can be effectively used similarly. In this embodiment, in particular, the car washing device 50 is attached to the fire wall 52 by the mounting member 51.
As a result, the site near the fire wall 52 can be used effectively. Further, by providing the vehicle detection sensor 53 or the height detection sensor 54 on the fire protection fence 52, the lamp 55 is turned on when the vehicle enters or the like,
The operation of the lifting mechanism 13 can be controlled by the height of the vehicle.

FIGS. 6 and 7 are views for explaining a car washing apparatus according to a third embodiment of the present invention. FIG. 6 is a front view of the car washing apparatus, and FIG. 7 is a plan view of a spray nozzle portion of the car washing apparatus. Parts and members corresponding to the first embodiment are denoted by the same reference numerals.

In these drawings, a car wash device 60 according to the third embodiment is provided in a canopy 2 above a car wash area 1, and cleans an upper part of an automobile 3 stopped in the car wash area 1 with water, washing liquid or air. This is a device that raises and lowers the spray nozzle to wash the car. Further, the canopy 2 around the car wash device 60 has a car wash area 1 as in the first embodiment.
A splash prevention device 40 for covering the periphery of the vehicle with a curtain or the like is provided.

The car washer 60 includes an elevating mechanism 61 attached to the canopy 2 and a frame 64 to which a number of spray nozzles 65 which are elevated by the elevating mechanism 61 are attached.
And a cleaning unit 66 for supplying water, a cleaning liquid or air to the spray nozzle 64.

The elevating mechanism 61 is composed of an elevating arm 63 or the like which is guided up and down by a guide member 62 attached to the canopy 2. A frame 64 is attached to the lower end of the elevating arm 63 so as to be horizontal. Have been. The frame 64 is formed, for example, of a pipe material or the like and is formed in a rectangular frame shape having a size that surrounds the periphery of the automobile 3. A plurality of spray nozzles 65 are attached to the frame 64 so as to be sprayed toward the automobile 3. The spray nozzle 65 is provided with three nozzle ports for respectively injecting water, cleaning liquid and air. It may be provided. The cleaning unit 66 is configured in the same manner as the cleaning unit 34 of the first embodiment, and a pipe 67 communicates with the spray nozzle 65. In addition, the splash prevention device 40
Similarly, it is attached to the canopy 2 so as to cover the periphery of the car wash area 1 with the curtain 41.

In the car washing apparatus 60 having the above structure, the car washing area 1
The car 3 is stopped, and the curtain 4 of the splash prevention device 40 is stopped.
After lowering the frame 1, the frame 64 is lowered from the initial position where the frame 64 is raised to a height enough to cover the periphery of the automobile 3 by the lifting mechanism 61, and water, cleaning liquid or air is selectively sprayed from the cleaning unit 66 by the spray nozzle 65. By returning the frame body 64 to the initial position by the elevating mechanism 61 after the car washes, the site of the gas station can be effectively used.

FIGS. 8 and 9 are views for explaining a car wash apparatus according to a fourth embodiment of the present invention. FIG. 8 is a front view of the car wash apparatus, and FIG. 9 is a plan view of a spray nozzle portion of the car wash apparatus. FIG. Parts and members corresponding to the first embodiment are denoted by the same reference numerals.

In these drawings, a car washing apparatus 70 according to the fourth embodiment is provided in a canopy 2 above a car washing area 1 and cleans an upper part of an automobile 3 stopped in the car washing area 1 with water, washing liquid or air. This is a device for washing a car with a spray nozzle. Further, the canopy 2 around the car wash device 70 is provided with a splash prevention device 40 for covering the periphery of the car wash area 1 with a curtain or the like, as in the first embodiment.

The car washing apparatus 70 includes a plurality of spray nozzles 71 attached to the canopy 2 and a washing unit 72 for supplying water, washing liquid or air to the spray nozzles 71.

The spray nozzle 71 is mounted so as to be sprayed toward the stopped automobile 3 in the car wash area 1. The spray nozzle 71 is provided with three nozzle ports for respectively injecting water, a cleaning liquid and air as in the third embodiment, but is provided with a nozzle port for injecting any of water, cleaning liquid and air. , May be independently provided in large numbers. Cleaning unit 72
Is configured in the same manner as the cleaning unit 34 of the first embodiment, and a pipe 73 communicates with the spray nozzle 71. The splash prevention device 40 is similarly attached to the canopy 2 so as to cover the periphery of the car wash area 1 with a curtain 41.

In the car washing apparatus 70 having the above structure, the car washing area 1
The car 3 is stopped, and the curtain 4 of the splash prevention device 40 is stopped.
After lowering 1, the cleaning unit 72 selectively supplies water, cleaning liquid or air to the spray nozzle 71 to wash the car, thereby similarly making it possible to effectively use the site of the gas station. In this embodiment, since the spray nozzle 71 is fixed to the canopy 2, the spray nozzle 71 can be installed most easily without the need for a lifting mechanism.

FIGS. 10 to 12 are views for explaining a splash prevention device according to a fifth embodiment of the present invention. FIG. 10 is a perspective view of the splash prevention device, FIG. 11 is a plan view of the splash prevention device, and FIG.
FIG. 4 is a perspective view of a connection portion of the splash prevention device.

In these figures, the splash prevention device 80 of the fifth embodiment utilizes a corner of a fire protection wall 94 and uses a car wash device (not shown) (for example, the car wash device 5 of the second embodiment).
0) to form a car wash area 1, comprising an accordion-type first curtain part 81 and a second curtain part 82 at right angles to the periphery (two sides) of the car wash area 1 except the fire wall 94 side. It is.

The first curtain portion 81 has one end side of an accordion type curtain main body 83 which is sufficiently higher than an automobile, attached to a fire protection wall 94 so as to be freely opened and closed by a butterfly bun 84, and the other end side has a plate-like shape. A magnet 85 is mounted, and a wheel 86 is mounted below the magnet 85. Similarly, the second curtain portion 82 has one end side of an accordion type curtain main body 87 which is sufficiently higher than an automobile, attached to a fire protection wall 94 so as to be freely opened and closed by a butterfly 88, and the other end side is bonded to a magnet 85. A rod-shaped angle 89 made of a material to be fixed is attached, a wheel 90 is attached to a lower portion of the angle 89, and a pipe 91 whose shaft 92 moves up and down is attached to a lower side of the angle 89, and the shaft 92 is formed on the ground. Then, the end portion of the second curtain portion 82 can be fixed by being inserted into the hole 93.

In the splash prevention device 80 having the above-described structure, the accordion type first curtain portion 81 and the second curtain portion 82 are formed so as to surround two surfaces at right angles by using the corners of the fire prevention fence 94. 84 and 88 respectively
The first curtain 8
The curtain part 87 of the first curtain body 81 and the curtain part 87 of the second curtain part 82 are respectively stretched, a magnet 85 is adhered to an angle 89, and a shaft 92 is inserted into a hole 93 to be used. The curtain portions 81 and the second curtain portion 82 are folded to make a butterfly 84, 88.
, It is possible to prevent splashes during car washing and to effectively use the refueling station site.

FIG. 13 is a perspective view illustrating a splash prevention device according to a sixth embodiment of the present invention.

In the same figure, the splash prevention device 100 of the sixth embodiment utilizes a corner of the fire protection fence 103 as in the fifth embodiment, and a car washing device (not shown) (for example, the car washing device 50 of the second embodiment). A first curtain portion 101 and a second curtain portion 102 are provided at right angles to the periphery (two surfaces) of the car wash region 1 except for the fire protection fence 103 side.

The first curtain portion 101 is a column 104 which is sufficiently higher than the automobile provided on one fire protection wall 103 side.
A horizontal curtain roll 106 is mounted on the upper side of the column, and a transparent curtain 107 wound on the curtain roll 106 is pulled down or rolled up by a motor 105 mounted on the top of the column 104. . The second curtain portion 102 is a column 109 which is sufficiently higher than the automobile provided on the other fire wall 103 side.
A horizontal curtain roll 110 is mounted on the upper side of the vehicle, and a transparent curtain 111 wound on the curtain roll 110 is pulled down or rolled up by a motor 109 mounted on the top of the column 109. .

In the splash prevention device 100 having the above configuration, the first curtain portion 101 is formed by using the corners of the fire wall 103.
And the second curtain portion 102 are attached so as to surround two surfaces at a right angle, and when the car is washed, each curtain 10
By pulling down and using the motors 111 and 111 by the motors 105 and 109 and winding them up after the end of the car washing, it is possible to prevent the splash of the splashes during the car washing and to effectively use the refueling station site. In this embodiment, since the curtains 107 and 111 are transparent, the situation during car washing can be seen from the surroundings.

It should be noted that the car washing devices 10 and 5 of each of the above embodiments are provided.
At 0, 60, and 70, an example has been described in which the spray nozzles 14, 65, and 71 for injecting water, cleaning liquid, or air are provided. For example, water and the cleaning liquid may be switched and jetted as the same nozzle port. The nozzle shape can also be arbitrarily determined. The splash prevention devices 40, 80, and 100 use the curtains 41, 107, and 111 or the accordion-type curtain bodies 83 and 87 to prevent splashing of the droplets. It may be a curtain.

[0043]

As described above, in the car washing apparatus of the present invention, the spray nozzle is attached to the hose moving mechanism or the elevating mechanism provided on the canopy, and water, washing liquid or air is selectively supplied to the spray nozzle from the washing unit. By washing the car in the car wash area, after the car wash, return the spray nozzle to the initial state or fix the spray nozzle to the canopy and select water, washing liquid or air from the washing unit for this spray nozzle By supplying the car in a car wash area, the car wash area is not occupied by a dedicated car wash machine or the like, so that it does not interfere with refueling work and can be used for other purposes. The site of the gas station can be used effectively.

Further, the splash prevention device of the present invention can prevent splashes splashing around during car washing by covering the periphery of the car washing area with a curtain. Furthermore, by covering the corner of the fire protection fence with a car wash area and covering it with a curtain, splashes can be similarly prevented and the site of the gas station can be effectively used.

[Brief description of the drawings]

FIG. 1 is a sectional view of a car wash device according to a first embodiment of the present invention.

FIG. 2 is a side view of the car wash device according to the first embodiment of the present invention.

FIG. 3 is a piping system diagram of the car wash device according to the first embodiment of the present invention.

FIG. 4 is an enlarged cross-sectional view taken along the line AA of the car washing apparatus of FIG. 2;

FIG. 5 is a perspective view of a car wash device according to a second embodiment of the present invention.

FIG. 6 is a front view of a car washing device according to a third embodiment of the present invention.

FIG. 7 is a plan view of a spray nozzle portion according to a third embodiment of the present invention.

FIG. 8 is a front view of a car washing apparatus according to a fourth embodiment of the present invention.

FIG. 9 is a view for explaining a planar arrangement of a spray nozzle portion of a car washing apparatus according to a fourth embodiment of the present invention.

FIG. 10 is a perspective view of a splash prevention device according to a fifth embodiment of the present invention.

FIG. 11 is a plan view d of a splash prevention device according to a fifth embodiment of the present invention.

FIG. 12 is a perspective view of a connection portion of a splash prevention device according to a fifth embodiment of the present invention.

FIG. 13 is a perspective view illustrating a splash prevention device according to a sixth embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Car wash area 2 Canopy 3 Car 10 Car wash device 11 Hose storage case 11a Slit part 12 Hose moving mechanism 13 Elevating mechanism 14 Spray nozzle 15 Hose reel 16 Hose 17 Dolly 18 Rail 19 Traveling device 20 Guide member 21 Elevating arm 22 Motor 23 Guide roll Reference Signs List 24 horizontal part 25 bent part 26 vertical part 27 water tank 28 water pump 29 cleaning liquid tank 30 cleaning liquid pump 31 blower 32 pipe 33 nozzle hole 34 cleaning unit 40 splash prevention device 41 curtain 42 roll 50 car washing device 51 mounting member 52 fire protection fence 53 car inspection Intelligence sensor 54 Detection sensor 55 Lamp 60 Car wash device 61 Lifting mechanism 62 Guide member 63 Lifting arm 64 Frame 65 Spray nozzle 66 Cleaning unit 67 Piping 70 Car wash device 71 Play nozzle 72 Cleaning unit 73 Piping 80 Splash prevention device 81 First curtain part 82 Second curtain part 83,87 Curtain body 84,88 Chouban 85 Magnet 86,90 Wheel 89 Angle 91 Pipe 92 Axis 93 Hole 94 Fire protection fence 100 Splash prevention device 101 First curtain part 102 Second curtain part 103 Fire protection fence 104,108 Support 105,109 Motor 106,110 Curtain roll 107,111 Curtain

Claims (6)

[Claims] 1. A hose storage case provided in a canopy above a car wash area on a gas station premises, a hose moving mechanism housed inside the hose storage case, an elevating mechanism attached to the hose moving mechanism, A car washing apparatus comprising: a spray nozzle that is raised and lowered by the lifting mechanism; and a cleaning unit that selectively supplies water, a cleaning liquid, and air to the spray nozzle. 2. A hose storage case mounted cantilevered on the upper part of the fire protection fence above a car wash area near a fire protection fence on a gas station site, a hose moving mechanism housed inside the hose storage case, A lifting mechanism attached to the hose moving mechanism, a spray nozzle raised and lowered by the lifting mechanism, and a cleaning unit for selectively supplying water, cleaning liquid and air to the spray nozzle. Car wash equipment. 3. A lift mechanism provided on a canopy above a car wash area on a gas station site, a spray nozzle provided on a frame which is raised and lowered by the lift mechanism, and water, a cleaning liquid and air are selectively supplied to the spray nozzle. A washing unit, comprising: a washing unit for supplying to a car. 4. A fixed spray nozzle attached to a canopy above a car wash area on a gas station site, and a washing unit for selectively supplying water, washing liquid and air to the spray nozzle. Features car wash equipment. 5. A curtain for covering the periphery of a car wash area on a gas station site to prevent splashes, and a curtain attached to an upper canopy of the car wash area, wherein the curtain is wound, and a motor is used to wind up and down the curtain. And a roll for performing the operation. 6. A splash prevention device, wherein a car wash area is provided near a corner of a fire protection fence on a gas station site, and a curtain is movably provided around the car wash area excluding the fire protection fence side.