JP5273077B2 - Car wash machine - Google Patents

Description

  The present invention relates to a car wash machine that is installed in a gas station, for example, and used for car washing, and more particularly to a car wash machine that applies a liquid agent such as wax during car washing.

  2. Description of the Related Art Conventionally, a car wash machine installed at a fueling station or the like is designed to inject a liquid agent or wash water stored in a liquid storage tank into a car to be washed while moving the car to be washed and the car washer main body in the front-rear direction. It is set as the structure which performs. Further, brushing and cleaning while spraying a liquid agent and cleaning water, and drying by blowing air after cleaning are performed.

  In the washing step, first, dirt is removed using washing water, then washing is performed using a liquid agent such as shampoo, and further washing is performed using washing water. After this washing process, a drying process is performed in which air is blown from each blowing nozzle and dried. In addition, car washing is performed by appropriately combining liquid agent application processes such as wax and water repellent coating as necessary. In this way, various shampoos, waxes and coats are used as liquid agents used in car washing, and each car wash process is stored in a dedicated liquid storage tank and inserted into the tank. It is injected and consumed according to the process. In addition, an operation panel and a remote panel are provided for selecting a desired mode from a plurality of car wash modes, selecting a type of liquid agent to be used, and setting a predetermined car wash mode. The operation panel is installed in the car wash machine body, but the remote panel is installed at a position away from the car wash machine body, and the remote panel is electrically connected to the operation panel. The car wash machine can be driven by the car wash mode.

  An example of a car wash machine including an operation panel and a remote panel will be described with reference to FIG. This car wash machine WB includes a car wash machine main body 1 that is integrally mounted with a cleaning member having a plurality of brushes, and a drying member having a blower and a plurality of blower nozzles, and has a gate shape so as to straddle the vehicle to be cleaned CA. The liquid agent stored in the plurality of liquid storage tanks is diluted with water and sprayed to the vehicle to be cleaned while relatively moving the vehicle to be cleaned CA and the car wash machine body 1 in the front-rear direction. The vehicle to be cleaned is washed.

  For example, the car wash machine main body 1 is configured to travel and move along the rails 2 via the wheels 3, and the pair of left and right rails of the car wash machine in which the vehicle to be cleaned CA is a gate type straddling the vehicle to be cleaned CA. Set the desired car wash mode on the operation panel 7 installed in the car wash machine body 1 or the remote panel 7A installed at a position away from the car wash machine body 1 and operate the start button. Start the car wash operation.

  The portal-type car wash machine main body 1 is, for example, a top brush 4 that cleans the upper surface of the vehicle CA to be cleaned, and a pair of left and right surfaces that clean both side surfaces and front and rear surfaces of the vehicle CA to be cleaned. Side brush 5 and a pair of left and right rocker brushes 6 for cleaning the lower portions of both side surfaces of the vehicle CA to be cleaned.

  In addition, there are provided various nozzles for spraying cleaning water and various liquid agents used for brushing and a liquid storage tank for storing various liquid agents. A plurality of liquid storage tanks for storing various liquid agents are stored in a tank storage unit 50 provided in the car wash machine main body 1, and are supplied to each nozzle via a distribution pipe unit 51 including an electromagnetic valve and a sub-water supply hose. Distributing. As nozzles for injecting liquid or washing water, for example, a first water purification nozzle 11, a first detergent nozzle 12, a second water purification nozzle 13, a water repellent coating nozzle 14, a second detergent nozzle 15, a wax nozzle 16 and the like are arranged. Has been.

  Further, for drying, a blower 20, a freely movable top blower nozzle 21 that blows blown air from the blower 20, and a pair of left and right side blower nozzles 22 are provided. In addition, the driving condition of the car wash machine WA is set via the operation panel 7 disposed in the car wash machine body 1 or the remote panel 7A installed at a position away from the car wash machine body 1, and based on the set condition. The car wash machine WA is driven. Reference numeral 8 denotes a sensor for detecting the presence / absence of the vehicle to be cleaned CA and the vehicle height, and for example, a photoelectric sensor or a sonic sensor using ultrasonic waves is preferably used.

  On the operation panel 7 and the remote panel 7A, there are selection buttons for selecting various car washing modes such as a water washing mode, a washing mode using a detergent, a wax mode for applying a wax, and a water repellent mode for coating a water repellent. A brush rotation switch for controlling the number of rotations of the brush, a start / stop button, and the like are provided.

  In addition, the car wash machine main body 1 is separated into a washing machine main body provided with a cleaning member and a dryer main body provided with a drying member, each of which has a gate shape so as to straddle the vehicle CA to be cleaned. There is also known a car wash machine configured to wash the vehicle to be cleaned CA while relatively moving the CA, the washing machine main body, and the dryer main body in the front-rear direction. Even if it is this structure, it is the same that it is provided with various brushes and various nozzles, and is provided with the operation panel 7 or the remote panel 7A.

  The above-described car wash machine WA includes a top nozzle for injecting cleaning water and liquid on the upper surface of the vehicle to be cleaned CA, and a side nozzle for injecting cleaning water and liquid on the side of the vehicle to be cleaned CA. .

  When injecting cleaning water or a liquid agent to the side of the vehicle CA to be cleaned using a single side nozzle, it is difficult to uniformly spray the entire side of the vehicle body uniformly. Therefore, a car wash spray unit including a side spray unit having side spray nozzles in two upper and lower stages has already been proposed (see, for example, Patent Document 1).

JP-A-6-298049

  If the side nozzle has a plurality of jet nozzles at the top and bottom, various liquid agents can be sprayed on the entire side surface of various vehicles. However, it is difficult to form a uniform film on the entire side surface of the vehicle to be cleaned with a liquid agent such as wax only by having a plurality of injection nozzles.

  For example, when the liquid agent sprayed from the side nozzle provided at the upper part flows down along the side surface of the vehicle body, it does not flow evenly at the lower part of the side surface of the vehicle body but flows in a streak form, resulting in coating unevenness and dripping spots. In addition, spraying from the side nozzle provided at the bottom can suppress coating unevenness and sagging spots due to the upper side nozzle to some extent, but spreading of the liquid agent flowing from the top completely prevents coating unevenness and sagging spots. It is difficult to do.

  In particular, when the same piping system is used from the liquid storage tank and a plurality of injection nozzles are installed vertically and separately, a plurality of upper and lower injection nozzles are controlled on / off simultaneously. It becomes difficult to effectively suppress coating unevenness and sagging spots due to the spread of the liquid sprayed from the liquid.

  In order to achieve a high-quality car wash finish, it is preferable to form a uniform coating thickness of a liquid agent such as wax applied to the surface of the vehicle body. Therefore, uneven coating and dripping spots due to the spread of the liquid agent sprayed from the side nozzles It is desirable to suppress this effectively.

  In view of the above-mentioned problems, the present invention effectively suppresses uneven application of liquid agent and dripping spots in a car wash machine that applies liquid agent such as wax during car washing, and uniformly disperses liquid agent such as wax on the side surface of the vehicle. An object of the present invention is to provide a car wash machine that can be applied to a car.

  In order to achieve the above object, the present invention is a car wash machine including an injection nozzle that sprays various liquid agents while performing a car wash while relatively moving the car wash machine body and the vehicle to be cleaned in the front-rear direction. As a side nozzle for injecting the liquid agent to the vehicle body side surface of the vehicle to be cleaned, an upper side nozzle for injecting the liquid agent to the upper portion of the vehicle body side surface and a lower side nozzle for injecting the liquid agent to the lower portion of the vehicle body side surface are provided. The nozzle is characterized by injecting the liquid agent to the lower part of the side surface of the vehicle body where the liquid agent injected by the upper side nozzle flows in a streak shape.

  According to this configuration, the liquid agent sprayed from the upper side nozzle sprays the liquid agent from the lower side nozzle to the lower part of the vehicle body side where the streaks are flowing, effectively suppressing uneven application and dripping spots caused by the spread of the liquid agent Thus, a liquid agent such as wax can be uniformly applied to the side surface of the vehicle, and the car wash machine forms an even film of the liquid agent.

  According to the present invention, in the car wash machine configured as described above, the upper side nozzle and the lower side nozzle are arranged such that the upper side nozzle is arranged on the front side with respect to the relative movement direction, and the lower side nozzle is arranged on the rear side. It arrange | positions and it has shifted and arranged in the front-back direction with respect to the to-be-cleaned vehicle, It is characterized by the above-mentioned. According to this configuration, even if the upper side nozzle and the lower side nozzle are simultaneously turned on / off to inject the liquid agent from both nozzles at the same time, the liquid agent injected from the upper side nozzle spreads to the lower part of the vehicle body and flows downward. The liquid agent can be ejected by the side nozzle, and an uniform film can be formed.

  According to the present invention, in the car wash machine configured as described above, the injection nozzle includes an upper surface nozzle that injects the liquid agent onto the upper surface of the vehicle to be cleaned, and the upper surface nozzle is disposed in front of the upper side nozzle with respect to the relative movement direction. It is characterized by being arranged. According to this configuration, the liquid agent sprayed from the upper surface nozzle spreads and flows to the lower part of the vehicle body, and the liquid agent can be sequentially ejected by the upper side nozzle and the lower side nozzle, so that there is no application unevenness or dripping spots, and it is uniform. Can be formed.

  In the car wash machine having the above-described configuration, the injection direction of the upper side nozzle is a direction heading obliquely forward in plan view, and the injection direction of the lower side nozzle is a direction heading substantially straight toward the vehicle to be cleaned in plan view. The upper side nozzle and the lower side nozzle are configured to prevent the injection areas that are diffused and injected at a predetermined angle from overlapping each other. According to this structure, even if it is the structure which arrange | positions an upper surface side nozzle and a lower side nozzle stepwise in the front-back direction, a car wash machine main body can be reduced in size.

  According to the present invention, in a car wash machine for applying a liquid agent such as wax during a car wash, the upper side nozzle and the lower side nozzle for injecting the liquid agent are provided on the side of the vehicle body, and the liquid agent injected by the upper side nozzle has a streak shape. The liquid agent is sprayed from the lower side nozzle at that time and the liquid agent such as wax is uniformly applied to the side surface of the vehicle by effectively suppressing uneven application of the liquid agent and dripping spots. A possible car wash machine can be obtained.

It is a schematic explanatory drawing of the injection nozzle with which the car wash machine concerning the present invention is provided. It is a schematic front view which shows the injection state of an injection nozzle. It is a schematic plan view which shows the injection state of an injection nozzle. It is a schematic front view of the car wash machine concerning the present invention. It is a schematic explanatory drawing which shows the whole structure of a car wash machine.

  Embodiments of the present invention will be described below with reference to the drawings. Moreover, the same code | symbol is used about the same component and detailed description is abbreviate | omitted suitably.

  The car wash machine WA of the present embodiment is a car wash machine for washing a car to be cleaned while relatively moving the car wash machine body and the car to be cleaned in the front-rear direction, and has the same configuration as the car wash machine WB described above. It is said that. For this purpose, as shown in FIG. 4, a top-type brush 4 for cleaning the upper surface of the vehicle CA to be cleaned, a vehicle to be cleaned, and a portal-type car wash machine body 1 that travels along the rails 2 via the wheels 3, and the vehicle to be cleaned. A pair of left and right side brushes 5 for cleaning both side surfaces and front and rear surfaces of the CA, and a pair of left and right rocker brushes 6 for cleaning the suspension around the lower side surfaces of the vehicle CA to be cleaned, The structure provided with the top ventilation nozzle 21 which can be raised / lowered which blows the ventilation from this blower 20, and the left-right paired side ventilation nozzle 22 is the same.

  Further, the arrangement structure of the injection nozzle is different in order to uniformly apply the liquid agent to the side surface of the vehicle body. Instead of the water repellent coating nozzle 14 and the wax nozzle 16 described above, this car wash machine WA uses various liquid agents. The spray nozzle for spraying includes a top nozzle 9 for spraying a liquid agent on the upper surface of the vehicle body, an upper side nozzle 10A for spraying the liquid agent to the upper part of the side surface of the vehicle body, and a lower side nozzle 10B for spraying the liquid agent to the lower part of the side surface of the vehicle body. ing. In order to equalize the thickness of the film such as wax on the side surface of the vehicle body, the lower side surface nozzle 10B injects the liquid agent to the lower part of the side surface of the vehicle body where the liquid agent sprayed by the upper side surface nozzle 10A flows in a streak shape. It is arranged.

  Thus, a new liquid agent is piled up by the 2nd injection nozzle (lower side nozzle 10B) on the lower part of the vehicle body side surface where the liquid agent injected by the first injection nozzle (upper side nozzle 10A) flows in a streak shape. If the configuration is such that the liquid is sprayed and applied, it is possible to uniformly apply the liquid by effectively suppressing the uneven coating and sagging spots caused by the spread of the liquid sprayed by the first spray nozzle. Can be formed.

  In order to superimpose and spray a new liquid agent on the lower part of the side of the vehicle body where the liquid agent injected by the first nozzle (upper side nozzle 10A) flows in a streak shape, the liquid agent flows at a position where the liquid agent flows in a streak shape. The second injection nozzle that injects the same liquid agent may be provided. In this embodiment, the lower side nozzle 10B is disposed below the upper side nozzle 10A.

  Reference numeral 8 denotes a hood height detection sensor for detecting the presence / absence of the vehicle to be cleaned CA and the hood height, and a photoelectric or ultrasonic reflection type sensor can be used. Further, instead of the bonnet height detection sensor 8, a vehicle shape detection sensor (not shown) made of a transmission type photoelectric sensor may be used. In this case, a projector is provided in the vertical direction on one side of the car wash machine main body, and a light receiver is provided in the vertical direction on the other side opposite to these projectors, thereby entering the cleaning position. It detects the vehicle shape and bonnet height of the vehicle to be cleaned.

  Next, the side nozzle of this embodiment will be further described with reference to FIGS.

  As shown in FIG. 1, an upper side nozzle 10 </ b> A for injecting a liquid agent to an upper region on the side surface of a vehicle body of a vehicle to be cleaned CA is disposed at a height H <b> 2 in the car wash machine body 1. Further, a lower side nozzle 10B that injects the liquid agent to the lower region of the side surface of the vehicle body is disposed at the position of the height H1.

  At this time, the installation height of each injection nozzle may be fixed as a configuration in which the injection region of each injection nozzle is diffused at a predetermined angle (see FIG. 2). Moreover, the structure which moves each injection nozzle to the appropriate height according to the detected vehicle shape and bonnet height so that raising / lowering movement is possible may be sufficient.

  Further, the upper side nozzle 10A and the lower side nozzle 10B are arranged on the front side with respect to the relative movement direction in which the car wash machine body 1 and the vehicle to be cleaned CA are moved in the front-rear direction, and on the rear side. A lower side nozzle 10B is disposed. In other words, they are arranged stepwise with respect to the vehicle CA to be cleaned. With this configuration, even if the upper side nozzle 10A and the lower side nozzle 10B are simultaneously turned on / off and the liquid agent is injected simultaneously from both nozzles, the liquid agent injected from the upper side nozzle 10A spreads to the lower part of the vehicle body. The liquid agent can be sprayed by the lower side nozzle 10B in the flowing area, and the coating unevenness and sagging spots caused by the spread of the liquid agent injected from the upper side nozzle 10A are effectively suppressed to form a uniform film. Can do.

  For example, in FIG. 1, in the case of a configuration in which the vehicle to be cleaned CA is stopped at a predetermined position and the liquid medicine is injected while moving the car wash machine body 1 in the direction of arrow D1 in the figure, the front side in this moving direction. The upper side nozzle 10A is arranged on the rear side, and the lower side nozzle 10B is arranged on the rear side at a distance L1 away from the upper side nozzle 10A. As described above, since the upper side nozzle 10A is located in the front, when the liquid agent is simultaneously injected from the upper side nozzle 10A and the lower side nozzle 10B, the liquid agent injected from the upper side nozzle 10A is sprayed from the upper side surface of the vehicle body. The liquid agent sprayed from the lower side surface nozzle is sprayed to the lower region on the rear side separated by the distance L1.

  Therefore, the liquid agent injected into the upper region of the side surface of the vehicle body is configured such that the liquid agent is injected from the lower side surface nozzle 10B at the position where the liquid agent spreads and flows down to the lower part of the vehicle body. By setting it as such a structure, even if the liquid agent droops from the upper part, an application | coating nonuniformity and a dripping spot do not generate | occur | produce, but it becomes possible to form a uniform membrane | film | coat. Moreover, since it is applied twice, the film thickness can be stabilized, and a thick film can be formed.

  The separation distance L1 between the upper side nozzle 10A and the lower side nozzle 10B in the front-rear direction is, for example, about 10 cm in the present embodiment. In this manner, the upper side nozzle 10A and the lower side nozzle 10B are separated by a predetermined distance in the front-rear direction, and the car wash machine body 1 is moved while simultaneously injecting a plurality of nozzles for injecting the liquid agent. A liquid agent such as wax can be evenly sprayed on the side of the vehicle body of the cleaning vehicle CA, and a uniform film can be formed.

  In addition, the car wash machine WA of the present embodiment includes an upper surface nozzle 9 as an injection nozzle that sprays a liquid agent such as wax on the upper surface of the vehicle body. As shown in FIG. 2, the upper surface nozzle 9 is composed of a pair of injection nozzles of a left upper surface nozzle 9a and a right upper surface nozzle 9b.

  Further, as shown in FIG. 1, the upper surface nozzle 9 (9a, 9b) is disposed at a position of the height H3 of the car wash machine body 1 and is an upper side nozzle 10A separated by a separation distance L2 with respect to the relative movement direction. Located on the front side. With this configuration, the liquid agent injected from the upper surface nozzle 9 (9a, 9b) can be sequentially injected by the upper side nozzle 10A and the lower side nozzle 10B where the liquid agent spreads and flows to the lower part of the vehicle body. A uniform film can be formed without dripping spots.

  As shown in FIG. 2, the upper surface nozzles 9 (9a, 9b) are provided with a pair of injection nozzles at two left and right points separated by a predetermined distance in the width direction of the vehicle CA to be cleaned. Further, since the pair of left and right injection nozzles diffuse and inject the liquid agent at a predetermined angle, the installation position of the upper surface nozzle 9 (9a, 9b) can be fixed at two points common to many vehicle types. . Moreover, as a structure which can be moved right and left and up and down, it is good also as a structure which moves to the suitable position according to the vehicle type set at the time of car wash, and the vehicle width and vehicle height detected at the time of car wash.

  Further, as shown in FIG. 3, the upper surface nozzle 9 (9a, 9b), the upper side nozzle 10A (10Aa, 10Bb), the lower side surface in order from the front side of the traveling direction of the car wash machine body 1 (the direction of arrow D2 in the figure). Nozzle 10B (10Ba, 10Bb) is provided.

  That is, the upper nozzle, the upper side nozzle, and the lower side nozzle are arranged in this order from the front side with respect to the relative movement direction in which the car wash machine body 1 and the vehicle CA to be cleaned are moved in the front-rear direction. Further, the injection areas A1 and B1 of the respective injection nozzles are diffused at a predetermined angle as shown in the figure.

  In particular, the injection region A1 of the upper side nozzle 10A adjacent in plan view and the injection region B1 of the lower side nozzle 10B do not overlap. This is to avoid the occurrence of coating unevenness due to interference between the liquid agents ejected from the respective ejection nozzles and fluctuations in the spraying direction and the amount of the liquid agent.

  Therefore, in this embodiment, as shown in the drawing, the injection region B1 in a plan view of the lower side nozzle 10B is diffused by a predetermined angle in a direction substantially straight to the vehicle to be cleaned, and the plane of the upper side nozzle 10A. The injection region A1 as viewed is diffused by a predetermined angle in a direction obliquely forward, so that the injection regions of the respective injection nozzles do not interfere with each other.

  If it is said structure, the liquid agent injected by 10 A of upper side surface nozzles can be sprayed on a vehicle body side surface directly, without receiving the influence of the injection from another injection nozzle. Further, since the liquid sprayed from the lower side nozzle 10B is sprayed to the lower part of the side of the vehicle body where the liquid sprayed by the upper side nozzle 10A flows in a streak shape, the liquid spray sprayed from the upper side nozzle 10A is caused by the spread of the liquid spray. Application unevenness and sagging spots can be effectively suppressed.

  Therefore, the liquid agent can be evenly sprayed on the side of the vehicle body of the vehicle to be cleaned, and without dripping spots, so that the liquid agent such as wax and water repellent coat can be uniformly applied. A film can be formed.

  Moreover, since it injects toward diagonally forward from the upper surface side nozzle 10A in front, the separation distance between the upper surface side nozzle 10A and the lower surface nozzle 10B in the car wash machine body 1 can be made closer, and the upper surface side nozzle 10A and the lower portion Even if it is the structure which arrange | positions the side nozzle 10B stepwise in the front-back direction, the car wash machine main body 1 can be reduced in size.

  Further, since the upper surface nozzle 9 (9a, 9b) is disposed on the front side, which is separated from the upper side surface nozzle 10A by a distance L2 in plan view, the liquid sprayed from the upper surface nozzle 9 (9a, 9b) has a streak shape. The liquid agent is sprayed from the upper side surface nozzle 10A to the upper part of the side surface of the vehicle body that is flowing down, so that uneven application and dripping spots caused by the spread of the liquid agent sprayed from the upper surface nozzle 9 (9a, 9b) are suppressed. It is also possible.

  As described above, in a configuration including a plurality of injection nozzles for injecting a liquid agent such as wax or water repellent coat, the plurality of injection nozzles extending from the upper part to the lower part are arranged in the relative movement direction of the car wash machine body 1 and the vehicle CA to be cleaned. By disposing in steps from the front side to the rear side, even if the liquid agent injected from the upper injection nozzle tries to flow in a streak shape, the liquid agent is sprayed from the lower injection nozzle to the falling body surface. Can be configured.

  In particular, in the case where two upper and lower side nozzles are installed as side nozzles for injecting the liquid agent on the side surface of the vehicle body, an upper side nozzle 10A for injecting the liquid agent is provided on the front side of the vehicle body on the front side in the relative movement direction, and the relative movement is performed. A lower side nozzle 10B for injecting a liquid agent at the lower part of the side surface of the vehicle body is provided on the rear side in the direction, and the lower side nozzle 10B is provided at the lower part of the side surface of the vehicle body where the liquid agent injected by the upper side nozzle 10A flows in a streak shape. It is preferable that it is the structure which injects.

  With the above-described configuration, the conventional spraying method in which the liquid agent is injected obliquely downward from the injection nozzle installed at the top toward the vehicle to be cleaned, that is, the liquid agent is injected from the oblique injection nozzle and the side surface of the vehicle body Compared with the method of forming a film on the entire surface, the spraying method according to the present embodiment makes it possible to form a film with no coating unevenness and no sagging spots.

  Further, by injecting the liquid agent from the lower side nozzle following the injection of the liquid agent from the upper side nozzle, the film is applied twice at the lower part of the side surface of the vehicle body, and a film having an equal thickness can be formed.

  As described above, according to the present invention, it is possible to obtain a car wash machine capable of applying a liquid agent such as wax on the side surface of the vehicle, effectively suppressing uneven coating and sagging spots, and applying a uniform film thickness.

  Since the car wash according to the present invention can uniformly apply a liquid agent such as wax or water repellent coat to the side of the vehicle body, it is suitably applied as a car wash in a car wash where a high-quality finish of the car wash is required.

DESCRIPTION OF SYMBOLS 1 Car wash machine body 2 Rail 3 Wheel 9 Upper surface nozzle 10A Upper side nozzle 10B Lower side nozzle A1, B1 Injection area CA Washed vehicle WA Car wash machine (of the present invention)
WB car wash machine (conventional)

Claims (2)

A car wash machine having an injection nozzle for spraying various liquid agents while performing a car wash while relatively moving the car wash machine body and the vehicle to be cleaned in the front-rear direction,
The injection nozzle includes, as a side nozzle for injecting the liquid agent on the vehicle body side surface of the vehicle to be cleaned, an upper side nozzle for injecting the liquid agent to the upper portion of the vehicle body side surface, and a lower side nozzle for injecting the liquid agent to the lower portion of the vehicle body side surface. And
The lower side nozzle injects the liquid agent to the lower part of the vehicle body side surface where the liquid agent injected by the upper side nozzle flows in a streak shape ,
The upper side nozzle and the lower side nozzle are arranged in the front-rear direction with respect to the vehicle to be cleaned by arranging the upper side nozzle on the front side and the lower side nozzle on the rear side with respect to the relative movement direction. And place it
Each of the upper side nozzle and the lower side nozzle is defined as a direction in which the injection direction of the upper side nozzle is obliquely forward in plan view and a direction in which the lower side nozzle is directed substantially straight to the vehicle to be cleaned in plan view. A car wash machine characterized in that the spray areas diffused and sprayed at a predetermined angle do not overlap . Claim 1, wherein the injection nozzle comprises a top nozzle for injecting liquid into the upper surface of the cleaning vehicle, the upper surface nozzle, characterized in that arranged on the front side of the upper side nozzle with respect to the direction of relative movement Car wash machine as described in.

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