Vehicle-mounted car washer

Abstract

The utility model relates to a vehicle-mounted car washing machine which comprises a car box, a car washing device and a car washing device, the car box comprises a box chamber, a telescopic car washing assembly is arranged in the box chamber, and the telescopic car washing assembly is configured to at least extend out of the car box from the interior of the box chamber so as to be used for washing a car; traveling wheels are arranged at the bottom of the carriage; the trailer frame is arranged at the bottom or / and the side wall of the carriage, and the trailer frame is configured to be detachably connected with a driving vehicle so that the driving vehicle can drive the vehicle-mounted car washer to move.

Description

Technical Field

[0001] The utility model relates to the technical field of car washing, in particular to a vehicle-mounted car washing machine. Background Art

[0002] A car washing machine is a device used to clean vehicles. Currently, the most common car washing machines on the market are fixed. The structure of a fixed car washing machine is relatively simple, and it is usually composed of a fixed box with a water pool, a nozzle, a motor and other components. The rotation of the motor drives the rotation of the nozzle to clean the vehicle surface. This type of car washing machine is generally installed in parking lots or beside roads, and is suitable for cleaning small cars, motorcycles, etc.

[0003] However, since fixed car washers need to be fixed in a specific position to work, their scope of application is relatively limited, and they cannot wash some large vehicles such as trucks and buses. In addition, fixed car washers also need to occupy a certain space, which may be a certain limitation for parking spaces in cities. Utility Model Content

[0004] In view of the above analysis, the present invention aims to provide a vehicle-mounted car washing machine to at least solve one of the above problems.

[0005] The purpose of this utility model is mainly achieved through the following technical solutions:

[0006] The utility model provides a vehicle-mounted car washing machine, comprising:

[0007] A vehicle box, comprising a box chamber, wherein a retractable car washing assembly is arranged in the box chamber, and the retractable car washing assembly is configured to at least be able to extend from the box chamber to the outside of the vehicle box for washing the vehicle; and running wheels are arranged at the bottom of the vehicle box;

[0008] The trailer frame is arranged at the bottom and / or the side wall of the vehicle box, and the trailer frame is configured to be detachably connected to the driving vehicle so that the driving vehicle can drive the vehicle-mounted car washing machine to move.

[0009] Further, the trailer frame is a triangular frame;

[0010] The triangular base of the trailer frame is connected to the center of the bottom of the vehicle box, the trailer frame extends forward from the bottom of the vehicle box, and the triangular apex of the trailer frame is located at the front side of the vehicle box;

[0011] Preferably, a trailer ring is provided at the front end of the trailer frame;

[0012] Preferably, the trailer frame is also provided with a support wheel, and the support wheel includes a support rod and a wheel body, the upper part of the support rod is connected to the trailer frame, the lower end of the support rod is rotatably connected to the wheel body, and the wheel body abuts against the ground.

[0013] Furthermore, the chamber includes an operating room and a rest room;

[0014] The retractable car wash assembly is arranged in the operating room;

[0015] The side wall of the vehicle box is provided with a vehicle window matched with the retractable vehicle washing assembly, so that the retractable vehicle washing assembly can be extended from the operating room to the outside of the vehicle box through the vehicle window.

[0016] Further, the retractable car wash assembly includes a slide rail, a slide frame and a car wash apparatus;

[0017] The slide rail is arranged on the top wall of the operating room;

[0018] The slide bracket cooperates with the slide rail, and the slide bracket is slidably connected with the slide rail;

[0019] One end of the slide is always located in the slide rail, and the other end of the slide is connected to the car washing device;

[0020] The retractable car wash assembly includes a retracted state and an extended state;

[0021] In the retracted state, the retractable car wash assembly is entirely located in the operating room;

[0022] In the extended state, the car washing device extends out of the vehicle box under the action of the slide;

[0023] Preferably, the slide rail comprises two parallel and oppositely arranged linear rails;

[0024] The slide frame includes two slide bars matched with the slide rail;

[0025] The top of the slide bar is provided with two sliding blocks for sliding connection with the slide rail;

[0026] The bottom outer ends of the two slide bars are provided with a connecting frame for connecting with the car washing device.

[0027] Furthermore, a window is provided on the side wall of the vehicle box for the retractable vehicle washing assembly to extend out, and the window is connected to the operating room;

[0028] The vehicle window cooperates with the window, and the vehicle window is configured to be able to open or close the window;

[0029] Preferably, the upper end of the vehicle window is rotatably connected to the side wall of the vehicle box;

[0030] A starter lever is provided in the operating room, and the starter lever is configured to control the opening and closing of the vehicle window;

[0031] Preferably, the starting rod is an electric hydraulic rod.

[0032] Furthermore, a partition is provided between the operation room and the rest room;

[0033] An operation room door is provided at one end of the operation room away from the rest room, and the operation room door is configured to be able to open or close the operation room;

[0034] A lounge door is provided at one end of the lounge away from the operating room, and the lounge door is configured to be able to open or close the lounge;

[0035] Preferably, the operating room door and / or the rest room door is a double door structure;

[0036] Preferably, a locker is provided on the side of the partition facing the lounge.

[0037] Furthermore, the operating room is also provided with a water tank and a circulating water device;

[0038] The water tank is configured to be connected to an external water source so as to replenish water to the water tank;

[0039] The circulating water device is connected to the water tank and the car washing device so as to guide the liquid in the water tank to the car washing device.

[0040] Furthermore, the lounge is provided with seats, and the bottom of the seats is provided with a storage cavity;

[0041] An opening communicating with the storage cavity is provided on the side wall of the vehicle box;

[0042] Preferably, a baffle is provided in the storage cavity, and the baffle is configured to separate the storage cavity into a first storage cavity and a second storage cavity that are independent of each other;

[0043] The openings include a first opening communicating with the first storage cavity and a second opening communicating with the second storage cavity.

[0044] Furthermore, the top of the vehicle box is provided with a vehicle air conditioner and a vent;

[0045] The vehicle-mounted air conditioner is connected to the lounge to make the temperature in the lounge suitable;

[0046] The vent is connected to the lounge so that the air in the lounge can be connected to the outside world;

[0047] Perspective windows are provided at the side walls of the carriage corresponding to the lounge.

[0048] Furthermore, jacks are provided at the four corners of the vehicle box;

[0049] Lamps for lighting are arranged in the lounge, in the operating room and on the outer wall of the carriage.

[0050] Compared with the prior art, the present invention can achieve at least one of the beneficial effects: not only does it change the fixed car wash room into a movable car box, which has a wider scope of application, but it also adopts a retractable car wash component, which can perform cleaning operations by extending the retractable car wash component outside the car box, making it more convenient to operate.

[0051] In the present invention, the above-mentioned technical solutions can also be combined with each other to achieve more preferred combination solutions. Other features and advantages of the present invention will be described in the following content, and some advantages can be obvious from the description or understood by implementing the present invention. The purpose and other advantages of the present invention can be achieved and obtained through the contents specifically pointed out in the text and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] The accompanying drawings are only used for the purpose of illustrating specific embodiments and are not to be considered as limiting the present invention. In the entire drawings, the same reference symbols represent the same components.

[0053] Figure 1 It is a simplified structural diagram of a vehicle-mounted car washing machine in a specific implementation manner;

[0054] Figure 2 It is a structural schematic diagram of a vehicle-mounted car washing machine in a specific implementation manner;

[0055] Figure 3 It is a partial enlarged view of the vehicle-mounted car washing machine in a specific implementation manner;

[0056] Figure 4 It is a structural schematic diagram of a retractable car wash assembly in a specific implementation manner.

[0057] Reference numerals:

[0058] 1-carriage; 101-operating room; 102-lounge; 103-window; 104-opening; 105-perspective window; 11-car window; 12-starting lever; 13-partition; 14-operating room door; 15-water tank; 16-circulating water equipment; 17-seat; 171-storage cavity; 18-vehicle air conditioner; 19-ventilation port; 2-retractable car wash assembly; 21-slide rail; 22-slide frame; 221-slide bar; 222-sliding block; 223-connecting frame; 23-car wash equipment; 3-traveling wheel; 4-trailer frame; 41-trailer ring; 42-support wheel; 421-support rod; 422-wheel body; 5-jack. DETAILED DESCRIPTION

[0059] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present invention and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0060] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the term "connected" should be understood in a broad sense, for example, it can be a fixed connection, or a detachable connection, or an integral connection can be a mechanical connection, or an electrical connection can be a direct connection, or it can be indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0061] The terms "top", "bottom", "above", "lower", and "on" used throughout the description are relative to the relative positions of components of a device, such as the relative positions of the top and bottom substrates within a device. It is understood that devices are multifunctional regardless of their orientation in space.

[0062] The common working surface of the utility model can be a plane or a curved surface, can be inclined, or can be horizontal. For the convenience of description, the embodiment of the utility model is placed on a horizontal plane and used on the horizontal plane, and "high and low" and "up and down" are defined in this way.

[0063] A specific embodiment of the utility model discloses a vehicle-mounted car washing machine, such as Figure 1 to Figure 4 As shown, including:

[0064] A vehicle box 1 includes a box chamber, wherein a retractable car washing assembly 2 is provided in the box chamber, and the retractable car washing assembly 2 is configured to at least be able to extend from the box chamber to the outside of the vehicle box 1 for washing the vehicle; a running wheel 3 is provided at the bottom of the vehicle box 1;

[0065] The trailer frame 4 is arranged at the bottom and / or the side wall of the vehicle box 1, and the trailer frame 4 is configured to be detachably connected to a driving vehicle so that the driving vehicle can drive the vehicle-mounted car washing machine to move.

[0066] The vehicle-mounted car washing machine of the utility model not only changes a fixed car washing room into a movable car box, which has a wider application range, but also adopts a retractable car washing component, which can perform cleaning operations by extending out of the car box, so that the operation is more convenient.

[0067] To facilitate driving the vehicle to tow the carriage, the trailer frame 4 is arranged at the bottom and / or the side wall of one end of the carriage 1. Preferably, the trailer frame 4 is located at one end of the bottom of the carriage 1 to avoid the trailer frame 4 occupying the effective use area of ​​the side wall of the carriage.

[0068] The end of the vehicle box 1 with the trailer frame 4 is regarded as the front end, and the rear end, the left side, and the right side are located in sequence with this as a reference. Figure 2 shown.

[0069] According to one embodiment of the utility model, the trailer frame 4 is a triangular frame, the triangular base of the trailer frame 4 is connected to the center of the bottom of the vehicle box, the trailer frame 4 extends forward from the bottom of the vehicle box, and the triangular apex of the trailer frame 4 is located at the front side of the vehicle box.

[0070] Preferably, a trailer ring 41 is provided at the front end of the trailer frame (i.e., at the apex of the triangle) so as to be detachably connected to a driving vehicle.

[0071] In order to ensure the driving stability of the carriage, the carriage 1 is provided with driving wheels 3 on both sides of the bottom, and multiple driving wheels 3 are provided on the same side. In this embodiment, two driving wheels 3 are provided on both sides of the bottom of the carriage, and the two driving wheels 3 on the same side are adjacent and located at a position slightly behind the center of the carriage.

[0072] In order to improve the stability of the vehicle box 1, the trailer frame 4 is also provided with a support wheel 42, and the support wheel 42 includes a support rod 421 and a wheel body 422. The upper part of the support rod 421 is connected to the trailer frame 4, and the lower end of the support rod 421 is rotatably connected to the wheel body 422, and the wheel body 422 abuts against the ground. With such a configuration, on the one hand, the support wheel 42 and the driving wheel 3 form a triangular support structure for the vehicle box, improving the stability of the vehicle box 1 when traveling and docking; on the other hand, when the vehicle box 1 is independently docked at a certain position, the support wheel 42 can prevent the trailer frame 4 from directly contacting the ground, reduce unnecessary bumps of the trailer frame, and increase the service life of the trailer frame.

[0073] Preferably, the trailer frame 4 is connected to the vehicle box 1 in a detachable assembly manner to facilitate subsequent maintenance and replacement.

[0074] According to a preferred embodiment of the utility model, the box chamber includes an operating room 11 and a lounge 102, the retractable car wash assembly 2 is arranged in the operating room 101, and the side wall of the car box 1 is provided with a window 11 that cooperates with the retractable car wash assembly 2, so that the retractable car wash assembly 2 can extend from the operating room 101 to the outside of the car box 1 through the window 11.

[0075] Specifically, the retractable car washing assembly 2 includes a slide rail 21, a slide frame 22 and a car washing device 23. The slide rail 21 is arranged on the top wall of the operating room 101. The slide frame 22 cooperates with the slide rail 21, and the slide frame 22 is slidably connected to the slide rail 21. One end (i.e., the inner end) of the slide frame 22 is always located in the slide rail 21, and the other end (i.e., the outer end) of the slide frame 22 is connected to the car washing device 23.

[0076] The retractable car washing assembly 2 includes a retracted state and an extended state. In the retracted state, the retractable car washing assembly 2 is located as a whole in the operating room 101, that is, the slide rail 21, the slide frame 22 and the car washing device 23 are all located in the operating room 101, and the slide frame 22 is at least partially located directly below the slide rail 21; in the extended state, the car washing device 23 extends out of the vehicle box 1 under the action of the slide frame 22, that is, the slide rail 21 is still located in the operating room 101, the inner end of the slide frame 22 is located in the operating room 101 and is slidably connected to the slide rail 21, the outer end of the slide frame 22 is located on the outside of the vehicle box 1, and the car washing device 23 is located outside the vehicle box 1 as a whole, so as to be operated by the user.

[0077] In this embodiment, the slide rail 21 includes two parallel and oppositely arranged linear rails, and the slide frame 22 includes two slide bars 221 that cooperate with the slide rail 21. The top of the slide bar 221 is provided with two sliders 222 for sliding connection with the slide rail 21, and the bottom outer ends of the two slide bars 221 are provided with a connecting frame 223 for connecting with the car washing device 23.

[0078] Preferably, one slider 222 is located at the top inner end of the slide bar 221 , and the other slider 222 is located at the top center inner position of the slide bar 221 , and the two sliders 222 are always located in the slide rail 21 to improve the telescopic stability of the telescopic car washing component 2 .

[0079] The connecting frame 223 is vertically arranged with the two slide bars 221, that is, one end of the connecting frame 223 is vertically connected with one of the slide bars, and the other end of the connecting frame 223 is vertically connected with the other slide bar, and the extending direction of the connecting frame is vertical with the extending direction of the slide bar 221, so as to improve the connection strength and stability of the car washing device 23.

[0080] The car washing device 23 integrates as many devices as possible that can be used when washing a car, such as a water gun, a vacuum cleaner, detergent, etc.

[0081] The retractable car wash assembly 2 also includes a driving element (not shown in the figure) for driving the slide to slide on the slide rail. As long as the driving structure can make the slide slide on the slide rail, it is suitable for being the driving element of the retractable car wash assembly 2 of the utility model. The driving structure of the driving element can adopt the existing technology and is not limited to a certain driving structure, which will not be described one by one here.

[0082] A window 103 is provided on the side wall of the vehicle box 1 for the retractable car washing assembly 2 to extend out, and the window 103 is connected to the operating room 101. The vehicle window 11 cooperates with the window 103, and the vehicle window 11 is configured to be able to open or close the window 103.

[0083] Specifically, the upper end of the vehicle window 11 is rotatably connected to the side wall of the vehicle box 1, that is, the vehicle window 11 is a window body that can be flipped up.

[0084] In order to realize intelligent control of the vehicle-mounted car washing machine, the window 11 is opened and closed by an electric switch. For example, a starting rod 12 is provided in the operating room 101, and the starting rod 12 is configured to control the opening and closing of the window 11, that is, the opening and closing of the window 11 are controlled by the starting rod 12. Preferably, the starting rod 12 is an electric hydraulic rod.

[0085] Preferably, the vehicle-mounted car washing machine is provided with a plurality of retractable car washing components 2, and the same number of vehicle windows 11 and windows 103 as the retractable car washing components 2, so that the vehicle-mounted car washing machine can wash a plurality of vehicles at the same time, thereby improving the performance of the vehicle-mounted car washing machine.

[0086] In this embodiment, two sets of retractable car washing components 2 are arranged in the operating room, and windows 103 and car windows 11 cooperating with the retractable car washing components 2 are respectively arranged on the left and right side walls of the car box 1.

[0087] According to a preferred embodiment of the present utility model, a partition 13 is provided between the operating room 101 and the rest room 102, and the chamber is divided into two independent chambers, that is, an operating room and a rest room, by the partition 13.

[0088] An operation room door 14 is provided at one end of the operation room 101 away from the rest room 102 , and the operation room door 14 is configured to open or close the operation room 101 .

[0089] A rest room door (not shown in the figure) is provided at one end of the rest room 102 away from the operating room 101 , and the rest room door is configured to be able to open or close the rest room 102 .

[0090] In this embodiment, the operating room is located in front of the lounge, the front end of the vehicle box is provided with an operating room door, and the rear end of the vehicle box is provided with a lounge door.

[0091] Preferably, the operating room door 14 and / or the rest room door is a double-door structure to facilitate entering and exiting the operating room and the rest room.

[0092] In order to improve the intelligent control of the vehicle-mounted car washing machine, the operating room door 14 and the rest room door are both provided with electromagnetic door locks so as to electrically control the opening and closing of the operating room door 14 and the rest room door.

[0093] Preferably, the carriage 1 is provided with a retractable step (not shown in the figure), which is arranged directly below the lounge door and is configured to connect the lounge floor and the ground to facilitate people to enter the lounge via the retractable step.

[0094] In order to facilitate the storage of items in the vehicle when washing the car, a storage cabinet is provided on the side of the partition 13 facing the rest room 102 .

[0095] The operating room 101 is also provided with a water tank 15 and a circulating water device 16. The water tank 15 is configured to be connected to an external water source so as to be replenished with water. The water tank 15 is used to store water for washing the car. When the water storage in the water tank 15 is low, it is replenished with water from an external water source. The circulating water device 16 is connected to the water tank 15 and the car washing device 23 so as to guide the liquid in the water tank 15 to the car washing device 23 so as to provide the car washing device with liquid for washing the car.

[0096] The circulating water device 16 at least includes a driving pump to prepare the liquid in the water tank 15 to be distributed to the car washing device 23 .

[0097] Preferably, a water level sensor is provided in the water tank 15, and the water level sensor is configured to measure the water level in the water tank 15 and transmit the detected water level signal to the controller of the vehicle-mounted car washing machine or / and the host computer of the vehicle-mounted car washing machine. When the water level is lower than a preset value, the controller or / and the host computer issues an alarm to remind the staff to refill the water tank.

[0098] The rest room 102 is also provided with a seat 17 for users to rest. Preferably, the base of the seat 17 is provided with a storage cavity 171, and the storage cavity 171 can at least be used to store a towel for wiping the car. An opening 104 connected to the storage cavity 171 is provided on the side wall of the vehicle box 1.

[0099] Preferably, a baffle (not shown) is provided in the storage cavity 171, and the baffle is configured to separate the storage cavity 171 into a first storage cavity and a second storage cavity that are independent of each other, and accordingly, the opening 104 includes at least one first opening connected to the first storage cavity and at least one second opening connected to the second storage cavity. The first storage cavity is used to store clean towels, and the second storage cavity is used to store dirty towels.

[0100] The opening 104 is provided with a switch, and the switch is used to open or close the opening 104. Preferably, the switch is an electrically controlled switch.

[0101] In order to improve the comfort of the lounge, an on-board air conditioner 18 and a vent 19 are provided on the top of the vehicle box 1. The on-board air conditioner 18 is connected to the lounge 102 to make the temperature in the lounge 102 suitable; the vent 19 is connected to the lounge 102 to allow the air in the lounge to be connected to the outside world, thereby ensuring air circulation in the lounge.

[0102] Preferably, a perspective window 105 is provided at the side wall of the carriage 1 corresponding to the lounge 102 to improve the lighting in the lounge 102 .

[0103] Preferably, lamps for lighting are provided in the rest room 102 of the vehicle box 1 and inside and on the outer wall of the operating room 101, so that the vehicle-mounted car washing machine can operate normally at night.

[0104] In order to improve the parking stability of the vehicle-mounted car washing machine, jacks 5 are respectively provided at the four corners of the vehicle box 1 to ensure the stability of the vehicle box and improve the load-bearing capacity of the vehicle-mounted car washing machine itself. The jacks 5 can be manually controlled or electrically controlled. Preferably, the jacks 5 are electric hydraulic jacks.

[0105] The vehicle-mounted car washing machine further includes a controller, which is configured to control the working process of the vehicle-mounted car washing machine. Specifically, the controller can at least control one or more of the following:

[0106] The jack 5 can be controlled to be opened or retracted to prepare for parking the vehicle-mounted washing machine at a certain position:

[0107] The operation room door 14 can be controlled to be opened or closed. Preferably, the operation room door only allows the management personnel or staff of the vehicle-mounted car washing machine to enter so as to perform routine maintenance and repairs on the vehicle-mounted car washing machine; the owner of the vehicle to be washed is not allowed to enter so as to avoid unnecessary damage to the equipment in the operation room;

[0108] The rest room door can be controlled to be opened or closed, and the rest room door allows the manager or staff of the vehicle-mounted car washing machine to enter so as to perform routine maintenance and repairs on the vehicle-mounted car washing machine; it also allows the owner of the vehicle to be washed to enter so that the owner can enter the rest room to rest;

[0109] The actuating lever 12 can control the opening or closing of the vehicle window 11 by controlling the actuating lever;

[0110] The retractable car washing assembly 2 can control whether the car washing device 23 of the retractable car washing assembly 2 is extended from the window 103, and control the car washing device 23 to perform a car washing operation;

[0111] The water circulation device 16 can control its operation;

[0112] The switch on the opening 104 can control the opening and closing of the switch;

[0113] The vehicle air conditioner 18 can control the temperature of the vehicle air conditioner.

[0114] Preferably, a first control module and a second control module in which the controller is externalized are provided on the outer wall of the vehicle box 1, and the first control module and the second control module are provided with a plurality of control buttons for controlling the operation of the vehicle-mounted car washing machine.

[0115] The first control module is used by the manager and / or staff of the vehicle-mounted car washing machine, and is triggered by scanning a code or swiping a card with an ID number uniquely corresponding to these people.

[0116] The second control module is used by the car owner who uses the vehicle-mounted car washing machine to wash the car. The second control module is triggered by scanning the code or swiping the card with the ID number uniquely corresponding to the car owner.

[0117] The first control module and the second control module can specifically control which parts of the vehicle-mounted car washing machine are set by the owner of the vehicle-mounted car washing machine, and the setting can be changed at any time according to actual conditions. For example, the first control module can control the operation of all parts on the vehicle-mounted car washing machine; the second control module can control the opening and closing of the car windows, the operation of the retractable car washing assembly, the opening and closing of the lounge door, the closing of the opening, the operation of the vehicle air conditioner, etc.

[0118] Compared with the traditional fixed car washing machine, the car-mounted car washing machine of the utility model can be flexibly moved to different places, which is convenient for the cleaning needs of various types of cars. At the same time, the car-mounted car washing machine does not require a fixed installation site and can be more widely used in various scenarios.

[0119] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A vehicle-mounted washing machine, characterized in that: include: A vehicle box, comprising a box chamber, wherein a retractable car washing assembly is arranged in the box chamber, and the retractable car washing assembly is configured to at least be able to extend from the box chamber to the outside of the vehicle box for washing the vehicle; The bottom of the vehicle box is provided with running wheels; The trailer frame is arranged at the bottom and / or the side wall of the vehicle box, and the trailer frame is configured to be detachably connected to the driving vehicle so that the driving vehicle can drive the vehicle-mounted car washing machine to move.

2. The vehicle-mounted washing machine according to claim 1, characterized in that: The trailer frame is a triangular frame; The triangular base of the trailer frame is connected to the center of the bottom of the vehicle box, the trailer frame extends forward from the bottom of the vehicle box, and the triangular apex of the trailer frame is located at the front side of the vehicle box; Preferably, a trailer ring is provided at the front end of the trailer frame; Preferably, the trailer frame is also provided with a support wheel, and the support wheel comprises a support rod and a wheel body, the upper part of the support rod is connected to the trailer frame, the lower end of the support rod is rotatably connected to the wheel body, and the wheel body abuts against the ground.

3. The vehicle-mounted washing machine according to claim 1, characterized in that: The chamber includes an operating room and a rest room; The retractable car wash assembly is arranged in the operating room; The side wall of the vehicle box is provided with a vehicle window matched with the retractable vehicle washing assembly, so that the retractable vehicle washing assembly can be extended from the operating room to the outside of the vehicle box through the vehicle window.

4. The vehicle-mounted washing machine according to claim 3, characterized in that: The retractable car wash assembly includes a slide rail, a slide frame and a car wash apparatus; The slide rail is arranged on the top wall of the operating room; The slide bracket cooperates with the slide rail, and the slide bracket is slidably connected with the slide rail; One end of the slide is always located in the slide rail, and the other end of the slide is connected to the car washing device; The retractable car wash assembly includes a retracted state and an extended state; In the retracted state, the retractable car wash assembly is entirely located in the operating room; In the extended state, the car washing device extends out of the vehicle box under the action of the slide; Preferably, the slide rail comprises two parallel and oppositely arranged linear rails; The slide frame includes two slide bars matched with the slide rail; The top of the slide bar is provided with two sliding blocks for sliding connection with the slide rail; The bottom outer ends of the two slide bars are provided with a connecting frame for connecting with the car washing device.

5. The vehicle-mounted washing machine according to claim 3, characterized in that: A window is provided on the side wall of the vehicle box for the retractable vehicle washing assembly to extend out, and the window is communicated with the operating room; The vehicle window cooperates with the window, and the vehicle window is configured to be able to open or close the window; Preferably, the upper end of the vehicle window is rotatably connected to the side wall of the vehicle box; A starter lever is provided in the operating room, and the starter lever is configured to control the opening and closing of the vehicle window; Preferably, the starting rod is an electric hydraulic rod.

6. The vehicle-mounted washing machine according to claim 3, characterized in that: A partition is provided between the operation room and the rest room; An operation room door is provided at one end of the operation room away from the rest room, and the operation room door is configured to be able to open or close the operation room; A lounge door is provided at one end of the lounge away from the operating room, and the lounge door is configured to be able to open or close the lounge; Preferably, the operating room door and / or the rest room door is a double door structure; Preferably, a locker is provided on the side of the partition facing the lounge.

7. The vehicle-mounted washing machine according to any one of claims 3 to 6, characterized in that: The operating room is also provided with a water tank and circulating water equipment; The water tank is configured to be connected to an external water source so as to replenish water to the water tank; The circulating water device is connected to the water tank and the car washing device so as to guide the liquid in the water tank to the car washing device.

8. The vehicle-mounted washing machine according to any one of claims 3 to 6, characterized in that: The lounge is provided with seats, and the bottom of the seats is provided with a storage cavity; An opening communicating with the storage cavity is provided on the side wall of the vehicle box; Preferably, a baffle is provided in the storage cavity, and the baffle is configured to separate the storage cavity into a first storage cavity and a second storage cavity that are independent of each other; The openings include a first opening communicating with the first storage cavity and a second opening communicating with the second storage cavity.

9. The vehicle-mounted washing machine according to claim 8, characterized in that: The top of the vehicle box is provided with a vehicle air conditioner and a vent; The vehicle-mounted air conditioner is connected to the lounge to make the temperature in the lounge suitable; The vent is connected to the lounge so that the air in the lounge can be connected to the outside world; Perspective windows are provided at the side walls of the carriage corresponding to the lounge.

10. The vehicle-mounted washing machine according to any one of claims 1 or 2, 3 to 6, characterized in that: The four corners of the vehicle box are respectively provided with jacks; Lamps for lighting are arranged in the lounge, in the operating room and on the outer wall of the carriage.

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