A portable multi-functional car wash machine

CN224781956UActive Publication Date: 2026-09-22SHENZHEN ZHIAI HOME TECH CO LTD
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Patent Information

Application Number
CN202522478347.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-22
Publication Date
2026-09-22
Estimated Expiration
2035-11-22

AI Technical Summary

Benefits of technology

[0014]相对于现有技术,本实用新型可通过折叠可折叠框架进行收纳,减少占用空间,通过软体水箱实现移动注水,电池组件为汽车清洗机提供电源,控制组件可控制喷枪工作,电池组件、控制组件、水泵、喷枪、软体水箱、伸缩杆及卷管机构等部件组装于可折叠框架上,操作简单,使用方便。

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Abstract

This utility model discloses a portable multi-functional car wash machine, including a foldable frame, a battery assembly, a control assembly, a water pump, a spray gun, a flexible water tank, a telescopic rod, and a hose reel mechanism. The battery assembly is electrically connected to both the control assembly and the water pump. The water pump is connected to both the flexible water tank and the spray gun. The flexible water tank is installed within the foldable frame, and the hose reel mechanism is installed at the rear end of the foldable frame. This utility model is foldable, maximizing space utilization, and is easy to operate. It is suitable not only for home users but also for commercial scenarios such as car rental companies, used car dealers, and small fleets, meeting their needs for flexible and efficient cleaning tools.
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Description

Technical Field

[0001] This utility model relates to the field of car washing, specifically to a convenient multi-functional car washing machine. Background Technology

[0002] As cars become a necessity in modern life, the demand for their cleaning and maintenance is increasing. Especially in high-density urban living environments, the contradiction between the time and space constraints and high costs of fixed car washes and the increasingly personalized needs of car owners is becoming more prominent. Although some "mobile car wash" concepts have emerged in the market, they still have significant shortcomings in terms of true convenience, storage, and user experience. Existing mobile car wash machines, while claiming to be "mobile," are still bulky and take up a lot of trunk space, making them inconvenient to move and reducing users' willingness to use them independently. When not in use, the equipment cannot be effectively folded or compressed, making storage a real obstacle for families with limited living space (such as apartment dwellers). Traditional mobile washing solutions are usually pieced together from scattered components such as water pumps, hoses, water guns, and water tanks, requiring temporary assembly during use, resulting in cumbersome procedures and a poor user experience. Therefore, to avoid the shortcomings of existing technologies, it is necessary to improve them. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings and deficiencies in the existing technology and provide a foldable and easy-to-operate convenient multi-functional car wash machine.

[0004] This utility model is achieved through the following technical solution: a convenient multi-functional car wash machine, including a foldable frame, a battery assembly, a control assembly, a water pump, a spray gun, a flexible water tank, a telescopic rod, and a hose reel mechanism. The battery assembly is electrically connected to the control assembly and the water pump, the water pump is connected to the flexible water tank and the spray gun, the flexible water tank is installed inside the foldable frame, and the hose reel mechanism is installed at the rear end of the foldable frame.

[0005] Furthermore, the foldable frame includes a front plate, a rear plate, a left side plate, a right side plate, and a bottom plate. The front end of the bottom plate is hinged to the lower end of the front plate. The left and right sides of the left side plate are respectively hinged to the left sides of the front plate and the rear plate. The left and right sides of the right side plate are respectively hinged to the right sides of the front plate and the rear plate. The left side plate includes a first left side plate and a second left side plate arranged on the left and right sides, and the first left side plate and the second left side plate are hinged together. The right side plate includes a first right side plate and a second right side plate arranged on the left and right sides, and the first right side plate and the second right side plate are hinged together.

[0006] Furthermore, the foldable frame also includes a middle plate, the rear end of which is hinged to the front end of the rear plate.

[0007] Furthermore, casters are installed at the bottom of the rear plate, and support feet are installed at the bottom of the front plate.

[0008] Furthermore, the bottom of the rear plate has a support plate extending towards the front end, and the rear end of the bottom plate is snapped onto the support plate.

[0009] Furthermore, the upper end of the rear plate is provided with a mounting box, and the side or top of the mounting box is provided with magnetic or fixing buckles, and the control component is installed on the mounting box.

[0010] Furthermore, the upper ends of the first left side plate and the second left side plate are respectively provided with left guide rails, and left sliders are sleeved on the left guide rails. The upper ends of the first right side plate and the second right side plate are respectively provided with right guide rails, and right sliders are sleeved on the right guide rails.

[0011] Furthermore, the soft water tank includes a water inlet and a water outlet, the water inlet end of which is equipped with a filter screen, and the water outlet is equipped with a drain valve.

[0012] Furthermore, a water outlet hose is connected between the soft water tank and the water pump, and a water inlet hose is connected to the water inlet end of the soft water tank.

[0013] Furthermore, the winding mechanism includes a housing, a rotating shaft installed inside the housing, a winding wheel installed outside the rotating shaft and connected to the rotating shaft, and a handle installed outside the housing and connected to the rotating shaft.

[0014] Compared to existing technologies, this utility model can be stored through a foldable frame, reducing space occupation. It uses a soft water tank for mobile water filling, a battery assembly to provide power to the car wash machine, and a control assembly to control the operation of the spray gun. The battery assembly, control assembly, water pump, spray gun, soft water tank, telescopic rod, and hose reel mechanism are assembled on the foldable frame, making it simple to operate and convenient to use. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of the portable multi-functional car wash machine of this utility model.

[0017] Figure 2 This is a first-view exploded structural diagram of the portable multifunctional car wash machine of this utility model.

[0018] Figure 3 This is a second-view exploded structural diagram of the portable multifunctional car wash machine of this utility model.

[0019] Figure 4 This is a schematic diagram of the folded structure of the portable multi-functional car wash machine of this utility model.

[0020] In the diagram: 1-Foldable frame; 2-Spray gun; 3-Telescopic rod; 4-Rolling mechanism; 5-Front plate; 6-Rear plate; 7-Left side plate; 8-Right side plate; 9-Base plate; 10-First left side plate; 11-Second left side plate; 12-First right side plate; 13-Second right side plate; 14-Middle plate; 15-Positioning block; 16-Cast wheel; 17-Supporting foot; 18-Supporting plate; 19-Fixing buckle; 20-Left guide rail; 21-Left slider; 22-Right guide rail; 23-Right slider; 24-Housing; 25-Winding wheel; 26-Handle; 27-Mounting box. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figures 1 to 4 The present invention discloses a convenient multi-functional car wash machine, including a foldable frame 1, a battery assembly, a control assembly, a water pump, a spray gun 2, a flexible water tank, a telescopic rod 3, and a hose reel mechanism 4. The battery assembly is electrically connected to the control assembly and the water pump, and the water pump is connected to the flexible water tank and the spray gun 2. The flexible water tank is installed inside the foldable frame 1, and the hose reel mechanism 4 is installed at the rear end of the foldable frame 1.

[0023] The foldable frame 1 is constructed primarily of high-strength, lightweight materials such as aluminum alloy and engineering plastics, and can be fitted with casters at the bottom for easy movement. The telescopic rod 3 can retract in multiple sections. When folded, the equipment volume can be reduced by approximately 50%-70%, forming a neat and organized box, significantly saving storage and trunk space. Control components can be integrated into the equipment handle or main body, including a waterproof switch, pressure adjustment knob, and power / water pressure display. All cables use internal wiring or quick-connect interfaces, ensuring a clean appearance and reliable safety. The spray gun 2 is designed to be detachable and connects to the main unit via a high-pressure hose. The spray gun 2 itself can integrate or switch between various nozzles, such as 0° fan shape, 15° fan shape, 40° fan shape, and foam spray bottle interface.

[0024] The foldable frame 1 includes a front plate 5, a rear plate 6, a left side plate 7, a right side plate 8, and a bottom plate 9. The front end of the bottom plate 9 is hinged to the lower end of the front plate 5. The left and right sides of the left side plate 7 are respectively hinged to the left sides of the front plate 5 and the rear plate 6. The left and right sides of the right side plate 8 are respectively hinged to the right sides of the front plate 5 and the rear plate 6. The left side plate 7 includes a first left side plate 10 and a second left side plate 11 arranged on the left and right sides, and the first left side plate 10 and the second left side plate 11 are hinged together. The right side plate 8 includes a first right side plate 12 and a second right side plate 13 arranged on the left and right sides, and the first right side plate 12 and the second right side plate 13 are hinged together.

[0025] The foldable frame 1 also includes a middle plate 14, the rear end of which is hinged to the front end of the rear plate 6. Positioning blocks 15 are respectively provided on the inner sides of the left side plate 7 and the right side plate 8. When the middle plate 14 is folded towards the bottom plate 9, it engages with the positioning blocks 15. The middle plate 14 is used to hold cleaning fluid, etc., and has good storage capacity.

[0026] The bottom of the rear panel 6 is equipped with casters 16, and the bottom of the front panel 5 is equipped with support feet 17, which facilitates movement and placement.

[0027] The bottom of the rear plate 6 has a support plate 18 extending towards the front end, and the rear end of the bottom plate 9 is snapped onto the support plate 18.

[0028] The upper end of the rear panel 6 is provided with a mounting box 27. The side or top of the mounting box 27 is provided with magnetic or fixing clips 19, and the control components are installed on the mounting box 27. The spray gun 2, brush head, etc. can be installed on the magnetic or fixing clips 19. The battery pack uses a high-capacity, removable 18650 or 21700 lithium-ion battery pack, which can be installed in the mounting box 27.

[0029] The upper ends of the first left side plate 10 and the second left side plate 11 are respectively provided with left guide rails 20, and left sliders 21 are fitted on the left guide rails 20. The upper ends of the first right side plate 12 and the second right side plate 13 are respectively provided with right guide rails 22, and right sliders 23 are fitted on the right guide rails 22. The length of the left guide rail 20 at the upper end of the first left side plate 10 is shorter than the length of the left guide rail 20 at the upper end of the second left side plate 11. When the left slider 21 slides between the first left side plate 10 and the second left side plate 11, the first left side plate 10 and the second left side plate 11 are fixedly connected. When the left slider 21 slides completely on the left guide rail 20 at the upper end of the second left side plate 11, the first left side plate 10 and the second left side plate 11 can be folded towards the right side plate 8. Similarly, the length of the right guide rail 22 at the upper end of the first right side plate 12 is longer than the length of the right guide rail 22 at the upper end of the second right side plate 13. When the right slider 23 slides between the first right side plate 12 and the second right side plate 13, the first right side plate 12 and the second right side plate 13 are fixedly connected. When the right slider 23 slides completely on the right guide rail 22 at the upper end of the first right side plate 12, the first right side plate 12 and the second right side plate 13 can be folded towards the left side plate 7.

[0030] The flexible water tank includes an inlet and a drain. The inlet has a filter screen, and the drain has a drain valve. Made of food-grade, high-strength, flexible TPU or PVC-coated fabric, the flexible water tank resembles a foldable water bag. Its advantage is that it expands when filled with water and folds up when not in use, further reducing space usage. The inlet allows users to quickly fill it with a tap water hose.

[0031] A flexible outlet hose connects the flexible water tank to the water pump, and an inlet hose connects the inlet end of the flexible water tank. The water pump is a high-efficiency brushless motor-driven plunger pump or diaphragm pump, which is small in size, low in noise, and long in life, and can provide a stable high-pressure water flow. Of course, the water pump can also be integrated into the spray gun 2.

[0032] The hose reel mechanism 4 includes a housing 24, a rotating shaft installed inside the housing 24, a winding wheel 25 installed outside the rotating shaft and connected to the rotating shaft, and a handle 26 installed outside the housing 24 and connected to the rotating shaft. The hose reel mechanism 4 adopts a single drum with two hoses, which can simultaneously store the inlet hose and the outlet hose in one drum, solving the problem of messy and difficult-to-store water hoses after the cleaning machine is used.

[0033] This utility model of a convenient multi-functional car wash machine can also be used as a shopping cart or a parcel pickup cart. When we go out shopping for groceries or picking up parcels, the hose reel and water gun can be quickly removed to transform it into a foldable shopping cart.

[0034] Working principle: When folding, first pull up the middle plate 14 to flip it towards the rear plate 6, then pull up the rear end of the bottom plate 9 to flip it towards the front plate 5. Then, move the left slider 21 and the right slider 23 respectively to push and fold the middle of the left side plate 7 and the right side plate 8 in opposite directions, while simultaneously moving the bottom plate 9 and the front plate 5 towards the rear plate 6 to complete the folding. When unfolding, first pull the front plate 5 forward, while simultaneously unfolding the left side plate 7 and the right side plate 8. Flip the bottom plate 9 towards the rear plate 6 and lock it onto the support plate 18 of the rear plate 6. Flip the middle plate 14 forward and lock it onto the positioning block 15. Move the left slider 21 and the right slider 23 respectively to complete the unfolding.

[0035] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A portable multi-functional car wash machine, characterized in that: The device includes a foldable frame, a battery assembly, a control assembly, a water pump, a spray gun, a flexible water tank, a telescopic rod, and a hose reel mechanism. The battery assembly is electrically connected to the control assembly and the water pump. The water pump is connected to the flexible water tank and the spray gun. The flexible water tank is installed inside the foldable frame, and the hose reel mechanism is installed at the rear end of the foldable frame.

2. The portable multi-functional car wash machine according to claim 1, characterized in that: The foldable frame includes a front plate, a rear plate, a left side plate, a right side plate, and a bottom plate. The front end of the bottom plate is hinged to the lower end of the front plate. The left and right sides of the left side plate are respectively hinged to the left sides of the front plate and the rear plate. The left and right sides of the right side plate are respectively hinged to the right sides of the front plate and the rear plate. The left side plate includes a first left side plate and a second left side plate arranged on the left and right sides, and the first left side plate and the second left side plate are hinged together. The right side plate includes a first right side plate and a second right side plate arranged on the left and right sides, and the first right side plate and the second right side plate are hinged together.

3. The portable multi-functional car wash machine according to claim 2, characterized in that: The foldable frame also includes a middle plate, the rear end of which is hinged to the front end of the rear plate.

4. The portable multi-functional car wash machine according to claim 2, characterized in that: The bottom of the rear panel is equipped with casters, and the bottom of the front panel is equipped with support feet.

5. The portable multi-functional car wash machine according to claim 2, characterized in that: The bottom of the rear plate has a support plate extending towards the front end, and the rear end of the bottom plate is snapped onto the support plate.

6. The portable multi-functional car wash machine according to claim 2, characterized in that: The upper end of the rear plate is provided with a mounting box, and the side or top of the mounting box is provided with magnetic or fixing buckles, and the control component is installed on the mounting box.

7. The portable multi-functional car wash machine according to claim 2, characterized in that: The upper ends of the first left side plate and the second left side plate are respectively provided with left guide rails, and left sliders are sleeved on the left guide rails. The upper ends of the first right side plate and the second right side plate are respectively provided with right guide rails, and right sliders are sleeved on the right guide rails.

8. The portable multi-functional car wash machine according to claim 1, characterized in that: The soft water tank includes an inlet and a outlet. The inlet end of the inlet is equipped with a filter screen, and the outlet is equipped with a drain valve.

9. The portable multi-functional car wash machine according to claim 1, characterized in that: A water outlet hose connects the soft water tank to the water pump, and a water inlet hose connects the water inlet end of the soft water tank.

10. The portable multi-functional car wash machine according to claim 1, characterized in that: The winding mechanism includes a housing, a rotating shaft installed inside the housing, a winding wheel installed outside the rotating shaft and connected to the rotating shaft, and a handle installed outside the housing and connected to the rotating shaft.