JP3552657B2 - Car wash equipment - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a car washing apparatus for washing a car, and more particularly to a car washing apparatus for preventing freezing of water in a water supply hose supplied to a water injection nozzle.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a car washing device installed in a gas station or the like is provided with a water injection nozzle, a washing liquid injection nozzle, an air injection nozzle, etc. as a washing mechanism in a car washing machine body, and reciprocates on rails to wash an automobile. It is configured as follows. The water injection nozzle of such a car washer body is supplied from a water storage tank arranged at a predetermined external fixed position by a water supply pump via a flexible water supply hose. Therefore, the car washing apparatus is configured to move while dragging a water supply hose between the car washing machine main body and the water storage tank with the reciprocating movement.
[0003]
[Problems to be solved by the invention]
If the above car washer is installed in a cold place or in a place where the atmospheric temperature decreases in winter, etc., the water in the water supply hose may freeze during non-use such as during standby time or at night. It is configured to drain water from the water supply hose. However, in such a car washing apparatus, it is necessary to separately provide a water draining mechanism in the water supply hose after use, which may increase the cost of capital investment, and may also increase the cost of the water supply hose from which water was drained at the start of use. In such a case, it takes time to fill the car with water, and there is a problem that it takes extra time to start car washing.
[0004]
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a car washing device capable of preventing freezing of water in a water supply hose supplied from a water storage tank.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, according to the first aspect of the present invention, a car washing machine main body including a car washing mechanism that reciprocates along a rail and has a water injection nozzle, and a fixed position near the car washing machine body. In a car wash device that connects the placed water storage tank with a flexible water supply hose and supplies water pumped up by a water supply pump to the water injection nozzle through the water supply hose, a heater disposed in the vicinity of the water storage tank uses a heater. An antifreeze tank that stores the antifreeze liquid that has been heated, a circulation pump that pressurizes the antifreeze liquid that has been heated in the antifreeze tank, an antifreeze liquid that is pumped by the circulation pump, a feed tube that is disposed in the water supply hose, and a circulation tube for circulating along the water supply hose consists connected to the feed tube return tube, a temperature sensor for detecting the outside air temperature, It is characterized in that the temperature sensor is provided antifreezing liquid circulation mechanism comprising a control device for driving the circulating pump when it becomes below the freezing temperature of water. Along the water supply hose by placing the circulation tube ing from the feed tube and a return tube for flowing the high temperature has been antifreeze, water freezing in the water in the hose is supplied from the water storage tank is prevented.
[0006]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described in detail with reference to an embodiment shown in the drawings. 1 to 5 are diagrams illustrating a car wash device according to a first embodiment of the present invention, FIG. 1 is an external perspective view of the car wash device, FIG. 2 is a diagram illustrating a configuration of the car wash device, and FIG. FIG. 4 is a cross-sectional view of a first adapter provided at an inlet of the tube, FIG. 4 is a cross-sectional view of a second adapter provided at a return port of the tube through which antifreeze flows, and FIG. 5 is AA of the first adapter of FIG. It is a line sectional view.
[0007]
In these figures, the car wash apparatus 10 is configured such that, for example, a car wash machine body 11 formed in a gate shape straddling a stopped car reciprocates on two rails 12, 12 arranged on a site. On the inner side of the car wash machine body 11, a water jet nozzle 13 for jetting water, a shampoo nozzle for jetting a washing liquid, an air nozzle for jetting air for drying, and a car wash mechanism such as a car wash brush are provided. Water pumped from a water storage tank 16 disposed at a predetermined fixed position in the vicinity of the car wash machine main body 11 by a water supply pump 17 is supplied to the injection nozzle 13 from a water supply hose 15 provided in the car wash machine main body 11. It is supplied through. The water supply hose 15 is, for example, a hose made of a material such as a flexible rubber, and is supported by a vertical or horizontal pole 14 so as to bend smoothly when the car wash machine body 11 reciprocates halfway. ing. Then, the water in the water supply hose 15 is prevented from being frozen by the antifreeze circulation mechanism 20. A keyboard 18 having operation buttons such as a car wash menu button and a start button is provided on the front side of the car wash machine main body 11.
[0008]
The antifreeze circulating mechanism 20 circulates a high-temperature antifreeze circulating tube through a part of the water supply hose 15 that is exposed to the outside between the discharge port side of the water supply pump 17 and the car washer body 11, so that the inside of the water supply hose 11 is circulated. The water is configured to be warmed. That is, the high-temperature antifreeze pumped by the circulation pump 22 from the antifreeze tank 21 having the heater 29 disposed near the water storage tank 16 is supplied into the water supply hose 15 by the first adapter 23 on the discharge port side of the water supply pump 17. It is sent to the feed tube 24 constituting the arranged flexible circulation tube, and from the feed tube 24 by the second adapter 25 on the connection side of the water supply hose 15 of the car washer body 11 to the return tube 26 constituting the circulation tube. After being sent, the return tube 26 passes through the outside of the water supply hose 15 and is returned to the antifreeze tank 21. The circulation tube (the feed tube 24 and the return tube 26) is a tube made of a flexible rubber or plastic, which is sufficiently thinner than the water supply hose 15. The drive of the circulation pump 22 is controlled by the control device 27 when, for example, a temperature sensor 28 provided in the car washing machine main body 11 for detecting the temperature of the outside air becomes lower than a predetermined temperature. The control device 27 controls the heater 29 so that the antifreeze tank 21 has a predetermined high temperature.
[0009]
The first adapter 23 has a hose joint 30, a thin L-shaped pipe 32 attached to the hose joint 30, a pipe holder 31 for holding the L-shaped pipe 32, and prevents water leakage. It is composed of a sealing material 33 and the like. The hose joint part 30 is a short cylindrical pipe formed on one end of a threaded part connected to the pipe 34 on the discharge port side of the water supply pump 17 and on the other side with a joint part connected to the water supply hose 15. The L-shaped pipe 32 is connected to one end of a feed tube 24 in which one side of the L-shaped pipe is disposed inside the hose joint portion 30 and an end is disposed in the water supply hose 15. The other pipe is mounted so as to protrude from the inside of the hose joint portion 30 to the outside through the side wall, and the protruding end is connected to the pipe 35 on the discharge port side of the circulation pump 22. The pipe holding part 31 is a plate-shaped member that holds the L-shaped pipe 32 in the hose joint part 30, and a part that penetrates the side wall of the hose joint part 30 prevents water leakage. A seal member 33 such as a ring is provided.
[0010]
The second adapter 25 includes a hose joint portion 30, a thin L-shaped pipe 32, a pipe holding portion 31, a sealing material 33 for preventing water leakage, and the like, like the first adapter portion 23. . The water supply hose 15 is connected to the joint part side of the hose joint part 30, and the pipe 36 on the car wash machine main body 11 side is connected to the screw part side. One end of the L-shaped pipe 32 is connected to a feed tube 24 arranged in the water supply hose 15, and the other end of the L-shaped pipe 32 is externally connected to a return tube 26.
[0011]
In the car wash device 10 having the above configuration, when the antifreeze solution is used in a cold region or in winter, the control device 27 controls the heater 29 provided in the antifreeze solution tank 21 of the antifreeze solution circulation mechanism 20 to maintain the antifreeze solution at a predetermined high temperature. are doing. When the temperature sensor 28 detects the outside air temperature at which water freezes, the circulation pump 22 is driven by the control of the control device 27. The high-temperature antifreeze pumped from the antifreeze tank 21 by the operation of the circulation pump 22 flows from the pipe 35 through the L-shaped pipe 32 of the first adapter 23 to the feed tube 24 disposed in the water hose 15. Then, the water flows through the return tube 26 disposed outside the water supply hose 15 through the L-shaped pipe 32 of the second adapter 25 and returns to the antifreeze tank 21. Accordingly, the water in the water supply hose 15 exposed to the outside from the discharge port side of the water supply pump 17 to the car wash machine main body 11 is warmed by the high-temperature antifreeze flowing in the feed tube 24 and does not freeze. Therefore, there is no need to provide a mechanism for draining water from the water supply hose 15 after using the car wash device 10, and it is not necessary to fill the water supply hose 15 with water at the start of use, and the vehicle can be started immediately. Further, in the present embodiment, the first adapter 23 and the second adapter 25 can have the same structure, and only the feed tube 24 passes through the water supply hose 15, so that the flow path through which water flows is widened and Resistance can be reduced.
[0012]
6 and 7 are views for explaining a second embodiment of the present invention. FIG. 6 is a sectional view of a first adapter provided at an inlet of a tube through which antifreeze flows, and FIG. 7 is a return port of the tube through which antifreeze flows. FIG. 4 is a cross-sectional view of a second adapter provided in the first adapter. Note that the same reference numerals are used for members that correspond to those in the first embodiment.
[0013]
In the car washing apparatus of this embodiment, a feed tube 24 and a return tube 26 that constitute a circulation tube are arranged in a water supply hose 15, and a first adapter 40 and a car wash machine main body on a discharge port side of the water supply pump 17 are provided. The other parts are the same as those of the first embodiment except for the structure of the second adapter 50 on the eleventh side.
[0014]
The first adapter 40 holds a hose joint 41, an L-shaped pipe 44 for feeding and an L-shaped pipe 43 for return attached to the hose joint 41, and the L-shaped pipes 43, 44. It is composed of a pipe holding portion 42 and sealing materials 45 and 46 for preventing water leakage. The hose joint portion 42 is a short cylindrical pipe formed on one end of a threaded portion connected to the pipe 34 on the discharge port side of the water supply pump 17 and the other end formed on a joint portion connected to the water supply hose 15. The feed L-shaped pipe 44 is connected to one end of a feed tube 24 in which one side of the pipe forming the L-shape is disposed inside the hose joint 30 and an end is disposed in the water supply hose 15. The other pipe forming the character is attached so as to project from the inside of the hose joint part 41 to the outside through the side wall, and is connected to a pipe 47 on the discharge port side of the circulation pump 22 at the protruding end. The return L-shaped pipe 43 is connected to one end of a return tube 26 in which one end of the L-shaped pipe is disposed inside the hose joint 30 and one end is disposed in the water supply hose 15. The other pipe forming the character is mounted so as to protrude to the outside through the side wall from the inside of the hose joint part 42, and is connected to a pipe 48 returning to the antifreeze tank 21 side at the protruding end. The pipe holding portion 42 is a plate-shaped member that holds the L-shaped pipes 43 and 44 in the hose joint portion 41, and prevents water leakage at a portion penetrating the side wall of the hose joint portion 41. Sealing members 45 and 46 such as O-rings are provided.
[0015]
The second adapter 50 includes a hose joint portion 51, feed and return pipes 53 and 54, a pipe holding portion 52, and the like. The pipe holding section 52 has a communication passage 52 a communicating between the feed pipe 53 and the return pipe 54. The water supply hose 15 is connected to the joint part side of the hose joint part 51, and the screw part side is connected to the pipe 36 on the car wash machine main body 11 side. The end of the feed pipe 53 is connected to the feed tube 24 disposed in the water supply hose 15, and the end of the return pipe 54 is connected to the return tube 26 disposed in the water supply hose 15. I have. Other configurations are the same as those of the first embodiment.
[0016]
In the car washing apparatus having the above configuration, the feed tube 24 and the return tube 26 are arranged in the water supply hose 15, and the high temperature antifreeze pumped from the antifreeze tank 21 by the circulation pump 22 is fed into the first adapter 40 by an L-shaped feed. The flow from the mold pipe 44 to the feed tube 24, the flow from the return pipe 54 to the return pipe 54 through the feed pipe 53 and the communication path 52a at the second adapter 50, and the return to the first adapter 40 again. It returns to the antifreeze tank 21 from the T-shaped pipe 43 through the pipe 48. Therefore, the water in the water supply hose 15 exposed to the outside from the discharge port side of the water supply pump 17 to the car wash machine main body 11 is frozen by the high temperature antifreeze flowing through the feed tube 24 and the return tube 26. As in the first embodiment, there is no need to provide a mechanism for draining water from the water supply hose 15 after using the car wash device 10, and it is not necessary to fill the water supply hose 15 with water at the start of use. Car wash can be started. Further, in the present embodiment, since the feed tube 24 and the return tube 26 through which the high-temperature antifreeze flows through the water supply hose 15 are disposed, the heat radiation is smaller than when the return tube 24 is disposed outside the water supply hose 15. The water can be heated efficiently with less water.
[0017]
In the above embodiment, the feed tube 24 and the return tube 26 may be tubes that circulate at least along the water supply hose 15. In addition, the car washer body 11 reciprocates on the rails 12 and 12 during car washing, and is provided with a water injection nozzle 13, and a water supply hose 15 is connected to the water injection nozzle 13 from a water storage tank 16 disposed at an external fixed position. Applies to those supplied with water. In addition, the structures of the first adapters 23 and 40 and the second adapters 25 and 50 are examples, and are not limited to the embodiments.
[0018]
【The invention's effect】
As described above, in the present invention, when the temperature sensor for detecting the outside air temperature becomes equal to or lower than the freezing temperature of water, the circulating pump is driven under the control of the control device, and is arranged near the water storage tank and heated to a high temperature by the heater. By flowing the antifreeze in the antifreeze tank storing the antifreeze into the circulation tube along the water supply hose, it is possible to prevent freezing of water in the water supply hose supplied from the water storage tank to the water injection nozzle provided in the car washer body.
[Brief description of the drawings]
FIG. 1 is an external perspective view of a car wash device according to a first embodiment of the present invention.
FIG. 2 is a diagram illustrating a configuration of a car wash device according to the first embodiment of the present invention.
FIG. 3 is a cross-sectional view of a first adapter provided at an inlet of a tube through which antifreeze flows according to the first embodiment of the present invention.
FIG. 4 is a cross-sectional view of a second adapter provided at a return port of a tube through which antifreeze flows according to the first embodiment of the present invention.
FIG. 5 is a sectional view of the first adapter of FIG. 3 taken along line AA.
FIG. 6 is a cross-sectional view of a first adapter provided at an inlet of a tube through which antifreeze flows according to a second embodiment of the present invention.
FIG. 7 is a cross-sectional view of a second adapter provided at a return port of a tube through which antifreeze flows according to a second embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Car wash apparatus 11 Car wash machine main body 12 Rail 13 Water injection nozzle 14 Pole 15 Water supply hose 16 Water storage tank 17 Water supply pump 18 Keyboard 20 Antifreeze liquid circulation mechanism 21 Antifreeze liquid tank 22 Circulation pump 23 First adapter 24 Feed tube 25 Second adapter 26 Return tube 27 Controller 28 Temperature sensor 29 Heater 30 Hose joint 31 Pipe holding part 32 L-shaped pipe 33 Sealing material 34, 35, 36 Pipe 40 First adapter 41 Hose joint 42 Pipe holding part 43 Return L-shape Mold pipe 44 Feeding L-shaped pipes 45, 46 Sealing materials 47, 48 Piping 50 Second adapter 51 Hose joint 52 Pipe holding part 52a Communication passage 53 Feeding pipe 54 Returning pipe

Claims (1)

A flexible water supply hose connects between a car wash machine body that reciprocates along a rail and has a car wash mechanism having a water injection nozzle and a water storage tank disposed at a fixed position near the car wash machine body, and a water feed pump. In the car wash device for supplying the water pumped up in the water injection nozzle to the water injection nozzle through a water supply hose, an antifreeze liquid tank disposed near the water storage tank and storing the antifreeze liquid heated to a high temperature by a heater; and a circulation pump for pumping antifreeze circulation which circulates along the water supply hose made from the located within water hose the feed tube and connected to the return tube to the feed tube flowed antifreeze pumped by the circulation pump A tube, a temperature sensor for detecting the outside air temperature, and the circulating pump when the temperature sensor falls below the freezing temperature of water. Car wash apparatus characterized in that a antifreezing liquid circulation mechanism comprising a control device for driving a.

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