Foam blending and diluting device for automatic car washer

By designing components such as a liquid storage tank, mixing chamber, flow regulation component, and spray module on the automatic car wash machine, the problem of difficult foam concentration adjustment has been solved, achieving precise adjustment of foam concentration and improving cleaning efficiency and economy.

CN224057176UActive Publication Date: 2026-03-31WEIFANG HUILIFE ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-26
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing automatic car wash foam systems use a fixed mixing ratio, making it difficult to dynamically adjust the foam concentration according to the car model or cleaning needs. This results in improper detergent usage, affecting cleaning efficiency and economy.

Method used

Design a foam mixing and dilution device including a storage tank, a mixing chamber, a flow regulating component, and a spraying module. Achieve precise adjustment and dynamic control of foam concentration through components such as a water pump, a stirring component, a baffle plate, a flow meter, and an atomizing core.

Benefits of technology

It enables precise adjustment of foam concentration, improves cleaning efficiency and economy, and ensures the stability and reliability of cleaning results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automatic car washers, in particular to a foam blending and diluting device for an automatic car washer, which comprises a liquid storage tank, a mixing cavity, a flow adjusting assembly and a spraying module. The flow adjusting assembly is matched with a control knob through a water pump, so that the flow of the cleaning agent is accurately adjusted; a spoiler is arranged in the mixing cavity to promote the cleaning agent to be fully mixed with water; an atomizing core is arranged in the spraying module, so that the fine and smooth degree of foam is improved; a stirring assembly is arranged in the liquid storage tank, and detergent precipitation is avoided. According to the device, real-time monitoring and dynamic adjustment are achieved through the flow meter and the controller, the problem that in the prior art, the foam concentration is difficult to adjust flexibly is solved, the cleaning efficiency and economical efficiency are improved, and meanwhile the stability and reliability of the cleaning effect are guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to automatic car washing equipment technical field, concretely is a kind of foaming blending dilution device for automatic car washer. BACKGROUND

[0002] Automatic car washer is usually needed to use foam cleaner to improve cleaning effect when washing vehicle. After searching, a lifting type quick automatic car washing device with publication number CN108146400B is disclosed, and the publication date is November 3, 2023. The design is realized by setting up liftable annular spraying device on the top of car washing room, and combining tire cleaning, chassis cleaning, foam wiping and other functional modules, to realize efficient vehicle cleaning process. However, the scheme does not involve the specific technical details of foam blending dilution, and its foam system may rely on traditional fixed ratio mixing mode. When facing different vehicle models or cleaning requirements, it is difficult to flexibly adjust the foam concentration. This limitation may lead to excessive use of cleaning agent, causing resource waste, or too low concentration affecting cleaning effect, thereby affecting cleaning efficiency and economy.

[0003] Therefore, it is urgent to design a foaming blending dilution device for automatic car washer to solve the problem of dynamic adjustment of foam concentration mentioned above. INVENTION CONTENTS

[0004] To solve the problem of automatic car washer foam system adopting fixed ratio mixing mode in the background art, which is difficult to dynamically adjust foam concentration according to vehicle model or cleaning requirement, the utility model provides a foaming blending dilution device for automatic car washer to realize precise adjustment and dynamic control of foam concentration. To achieve the above purpose, the specific technical scheme of the utility model is as follows:

[0005] A foaming blending dilution device for automatic car washer, characterized by comprising liquid storage tank, mixing chamber, flow regulating assembly and spraying module, the liquid storage tank is communicated with the mixing chamber through liquid conveying pipe, the flow regulating assembly is arranged on the liquid conveying pipe, the top of the mixing chamber is provided with water inlet, and the bottom is provided with liquid outlet, the liquid outlet is connected to the spraying module through conveying pipeline, the flow regulating assembly comprises water pump, the water pump is installed on one side of the liquid conveying pipe close to the mixing chamber, and the water pump is connected with control knob through controller.

[0006] Preferably, the liquid storage tank is provided with stirring assembly inside, the stirring assembly comprises stirring shaft and stirring blade, the stirring shaft is vertically arranged along the central axis of the liquid storage tank, the stirring blade is spirally distributed on the outer periphery of the stirring shaft, and the stirring shaft top penetrates through the top wall of the liquid storage tank and is connected with driving motor.

[0007] Preferably, the mixing chamber is in cylindrical structure, and the inside is provided with spoiler, the spoiler is arranged in annular array along the inner wall of the mixing chamber, and the spoiler is in arc structure.

[0008] Preferably, the flow regulating assembly further comprises a flow meter, which is installed on the infusion pipe and connected with the controller through a signal line.

[0009] Preferably, the spraying module comprises a plurality of nozzles, which are uniformly distributed along the conveying pipeline, and each nozzle is provided with an atomizing core composed of a metal mesh, and the opening and closing of the nozzles are controlled by electromagnetic valves connected with the controller.

[0010] Preferably, the liquid storage tank is provided with a liquid discharge port connected with an external recovery device through a liquid discharge pipe, and a filter is installed on the liquid discharge pipe and provided with an activated carbon filter element and a microporous filter membrane, and the liquid discharge port is provided with a sealing cover connected with the liquid discharge port through threads.

[0011] Preferably, the mixing chamber is provided with a transparent observation window made of high-strength tempered glass, and the edge of the transparent observation window is fixedly connected with the outer wall of the mixing chamber through a sealing rubber strip, and the control knob is provided with a scale disc, and the surface of the scale disc is marked with flow values.

[0012] The foam mixing and diluting device for the automatic car washer has the following advantages: the flow regulating assembly is arranged on the infusion pipe, and the water pump and the control knob are combined to realize accurate adjustment of the flow of the cleaning agent; the flow plate is arranged in the mixing chamber to promote the full mixing of the cleaning agent and water by utilizing the vortex effect; the atomizing core is arranged in the spraying module to improve the delicacy of the foam spraying; the stirring assembly is arranged in the liquid storage tank to avoid the problem of uneven concentration of the cleaning agent caused by precipitation; and the flow meter and the controller are combined to realize real-time monitoring and dynamic adjustment of the flow of the cleaning agent. The foam concentration in the prior art can be flexibly adjusted, the cleaning efficiency and economy are improved, and the stability and reliability of the cleaning effect are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a structure diagram of the stirring assembly;

[0015] Figure 3 It is a schematic diagram of the internal structure of the mixing chamber;

[0016] Figure 4 It is an exploded view of the structure of the spraying module;

[0017] Figure 5 It is Figure 1 It is an enlarged view of the liquid discharge port.

[0018] REFERENCE NUMERALS

[0019] 1, liquid storage tank; 2, infusion tube; 3, flow regulating assembly; 4, mixing chamber; 5, injection module; 6, water pump; 9, control knob; 10, flow meter; 11, stirring assembly; 12, drive motor; 13, spoiler; 14, transparent observation window; 15, nozzle; 16, atomizing core; 18, electromagnetic valve. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0021] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and thus cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. The present application will be further described in detail below with reference to the drawings.

[0022] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing", etc. should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0023] Embodiment 1

[0024] The specific embodiment of the foam blending and diluting device for the automatic car washer of the present application is as follows in combination with the drawings of the present application Figure 1 to the drawings Figure 5 will be described in detail. As Figure 1As shown, the storage tank 1 is connected to the mixing chamber 4 via the infusion pipe 2. A flow regulating component 3, including a water pump 6, is installed on the side of the infusion pipe 2 near the mixing chamber 4. A control knob 9 is located on the controller, and the water pump 6 is electrically connected to the control knob 9 via a wire to regulate the detergent flow rate. The mixing chamber 4 has an inlet at the top and an outlet at the bottom, which is connected to the spray module 5 via a delivery pipe. The spray module 5 includes multiple nozzles 15, which are evenly distributed along the delivery pipe.

[0025] like Figure 2 As shown, the storage tank 1 is equipped with a stirring assembly 11, which includes a stirring shaft and stirring blades. The stirring shaft is vertically arranged along the central axis of the storage tank 1, and the stirring blades are spirally distributed around the outer periphery of the stirring shaft. The top of the stirring shaft passes through the top wall of the storage tank 1 and is connected to a drive motor 12, which is fixedly installed on the top of the storage tank 1. When the stirring blades rotate, they can evenly stir the cleaning agent in the storage tank 1 to avoid uneven concentration due to sedimentation. Figure 5 As shown, the bottom of the storage tank 1 is equipped with a drain port, which is connected to an external recovery device via a drain pipe. A filter is installed on the drain pipe, containing an activated carbon filter element and a microporous membrane to remove impurities and particulate matter from the cleaning agent. A sealing cap is provided at the drain port, which is threaded to the drain port to ensure a tight seal.

[0026] Example 2

[0027] Based on Example 1, a baffle plate 13 is provided to promote thorough mixing of the detergent and water.

[0028] like Figure 3 As shown, the mixing chamber 4 has a cylindrical structure, and a baffle plate 13 is installed inside. The baffle plate 13 is arranged in a ring array along the inner wall of the mixing chamber 4 and has an arc-shaped structure. After the water flows into the mixing chamber 4 from the inlet, it forms a vortex through the guiding effect of the baffle plate 13, which promotes the thorough mixing of the detergent and water. A transparent observation window 14 is provided on the outer wall of the mixing chamber 4. The transparent observation window 14 is made of high-strength tempered glass, and its edge is fixedly connected to the outer wall of the mixing chamber 4 by a sealing strip. The transparent observation window 14 is used to monitor the mixing status of the liquid in the mixing chamber 4 in real time, so that the operator can adjust the parameters of the flow regulating component 3.

[0029] Example 3

[0030] Based on Example 1, a flow meter 10 is provided to detect the flow status of the cleaning agent in the infusion tube in real time.

[0031] like Figure 1As shown, the flow regulating assembly 3 further comprises a flow meter 10 installed on the infusion pipe 2 for monitoring the flow of the cleaning agent in the infusion pipe 2 in real time. The flow meter 10 is connected with the controller through a signal line, the controller receives the signal of the flow meter 10 and outputs a control instruction to the driving motor 12, the driving motor 12 adjusts the rotating speed of the stirring shaft according to the control instruction to optimize the stirring effect of the cleaning agent. The outside of the control knob 9 is provided with a scale disc, the scale disc is fixedly installed on the shell of the flow regulating assembly 3, the surface of the scale disc is marked with flow values, and the operator can realize accurate control of the flow of the cleaning agent by rotating the control knob 9 to the corresponding scale value.

[0032] Embodiment 4

[0033] On the basis of embodiment 1, the atomizing core 16 is arranged, so that the cleaning agent can become more fine foam, and a more ideal cleaning effect can be achieved.

[0034] As Figure 4 shown, the nozzle 15 of the spraying module 5 is provided with an atomizing core 16, the atomizing core 16 is composed of a metal mesh, a plurality of micro-holes are formed on the metal mesh, and a fine foam spraying flow is formed after the water flow passes through the atomizing core 16. The opening and closing of the nozzle 15 are controlled by the electromagnetic valve 18 and the controller, and the controller controls the opening and closing state of the nozzle 15 according to the vehicle cleaning requirement. Prior art mark: the electromagnetic valve 18 belongs to the common knowledge in the field, and is only used without modification, so the control mode and circuit connection are not described in detail.

[0035] The working principle of the utility model is as follows: first, the cleaning agent in the liquid storage tank 1 enters the mixing chamber 4 through the infusion pipe 2, the water pump on the infusion pipe 2 is connected with the controller and the control knob 9, the operator can adjust the size of the water pump flow by rotating the control knob 9, so as to control the flow of the cleaning agent. The flow meter 10 monitors the flow of the cleaning agent in the infusion pipe 2 in real time and transmits data to the controller, the controller adjusts the rotating speed of the driving motor 12 according to the flow data, the driving motor 12 drives the stirring blade to rotate through the stirring shaft, so that the cleaning agent in the liquid storage tank 1 can keep uniform state and avoid precipitation. After the cleaning agent enters the mixing chamber 4, it is mixed with the water flow entering from the water inlet, the spoiler 13 in the mixing chamber 4 guides the water flow to form a vortex, and further promotes the mixing of the cleaning agent and water. The mixed liquid flows into the conveying pipeline through the liquid outlet and finally reaches the spraying module 5, the nozzle 15 of the spraying module 5 is provided with an atomizing core 16, a fine foam spraying flow is formed after the water flow passes through the atomizing core 16, and the controller controls the opening and closing of the nozzle 15 through the electromagnetic valve 18 according to the cleaning requirement. The transparent observation window 14 can monitor the mixing condition of the liquid in the mixing chamber 4 in real time, and the operator can adjust the parameters of the flow regulating assembly 3 according to the observation result to optimize the control effect of the foam concentration.

[0036] It should be noted that the electrical components appearing in the text are all connected with the main controller and 220V mains electricity, and the main controller can be a conventional known device controlled by a computer, etc., and the detailed description of the known functions and known components is omitted in the specific embodiments of the present disclosure. In order to ensure the compatibility of the device, the operation means used are consistent with the parameters of the market appliances.

[0037] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A foam dilution device for use in an automatic car wash machine, characterized in that, Including liquid storage tank (1), mixing cavity (4), flow regulating assembly (3) and injection module (5), liquid storage tank (1) is communicated with mixing cavity (4) through infusion tube (2), infusion tube (2) is provided with flow regulating assembly (3), mixing cavity (4) top is equipped with water inlet, bottom is equipped with liquid outlet, liquid outlet is connected to injection module (5) through conveying pipeline, flow regulating assembly (3) includes water pump (6), water pump (6) is installed in infusion tube (2) near mixing cavity (4) one side, water pump (6) is connected with control knob (9) through controller.

2. Foam proportioning dilution apparatus for an automatic car wash machine according to claim 1, characterized in that, Liquid storage tank (1) is internally provided with stirring assembly (11), stirring assembly (11) includes stirring shaft and stirring blade, stirring shaft is vertically arranged along the central axis direction of liquid storage tank (1), stirring blade is spirally distributed on the outer periphery of stirring shaft, the top of stirring shaft passes through the top wall of liquid storage tank (1) and is connected with driving motor (12).

3. The foam proportioning dilution apparatus for an automatic car wash machine of claim 1, wherein, Mixing cavity (4) is cylindrical structure, its inside is provided with spoiler (13), spoiler (13) is arranged in annular array along the inner wall of mixing cavity (4), spoiler (13) is arc structure.

4. The foam proportioning dilution apparatus for an automatic car wash machine of claim 1, wherein, Flow regulating assembly (3) further includes flowmeter (10), flowmeter (10) is installed on infusion tube (2), flowmeter (10) is connected with controller through signal line.

5. The foam proportioning dilution apparatus for an automatic car wash machine of claim 1 wherein, Injection module (5) includes a plurality of nozzles (15), nozzles (15) are uniformly distributed along the conveying pipeline, nozzle (15) is provided with atomizing core (16) inside, atomizing core (16) is composed of metal mesh, the opening and closing of nozzle (15) is connected with controller through electromagnetic valve (18).

6. The foam concoction dilution apparatus for an automatic car wash machine of claim 1, wherein, The bottom of liquid storage tank (1) is provided with a liquid discharge port, which is connected with an external recovery device through a liquid discharge pipe, a filter is installed on the liquid discharge pipe, an activated carbon filter element and a microporous filter membrane are arranged in the filter, a sealing cover is arranged at the liquid discharge port, and the sealing cover is connected with the liquid discharge port through threads.

7. The foam proportioning dilution apparatus for an automatic car wash machine of claim 1 wherein, The outer wall of mixing cavity (4) is provided with transparent observation window (14), transparent observation window (14) is made of high-strength tempered glass, its edge is fixedly connected with the outer wall of mixing cavity (4) through sealing rubber strip, the outside of control knob (9) is provided with scale disc, the surface of scale disc is marked with flow value.

Citation Information

Patent Citations

  • Lift-type fast automatic car wash device

    CN108146400B