Electronic distribution machine for car washing liquid medicine
By incorporating mounting holes and adjusting screws into the casing of the electronic car wash solution dispenser, the inconvenience of maintaining the one-way valve and the issue of sensor sensitivity adjustment are resolved, enabling convenient cleaning and flexible adjustment, and improving the ease of equipment maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-03-17
AI Technical Summary
The existing electronic car wash liquid dispenser has a built-in check valve that is corrosive and inconvenient to maintain. In addition, when the water pressure is low, the housing needs to be disassembled to adjust the water flow sensor switch position, which is inconvenient to adjust the sensitivity.
The electronic car wash solution dispenser is designed with mounting holes on the front and bottom of the housing, exposing the one-way valve port for direct cleaning without disassembling the housing; the sensor position is adjusted by moving the reed switch with an adjusting screw, and the sensitivity can be adjusted without disassembling the housing.
It enables convenient cleaning of the one-way valve and adjustment of sensor sensitivity, simplifies the after-sales maintenance process, and improves the ease of use of the equipment.
Smart Images

Figure CN223995969U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electronic dispensing equipment technology, and in particular to an electronic dispensing machine for car wash chemicals. Background Technology
[0002] An electronic car wash solution dispenser is an electronic device used to automatically dispense car wash chemicals. It is mainly used in car detailing shops and car washes. Existing electronic car wash solution dispensers generally include a housing, power supply, motor speed controller, controller, water flow sensor switch, suction pump, and check valves. The motor speed controller is connected to the suction pump, which in turn is connected to two check valves. One check valve receives tap water, and the water flow sensor switch is located on this water-input check valve. The other check valve receives the cleaning agent, thus mixing the water and the cleaning agent. However, the check valves in existing electronic car wash solution dispensers are internal, and the cleaning agents are corrosive. This necessitates disassembling the housing for subsequent cleaning, which is inconvenient for after-sales maintenance. Furthermore, when the tap water pressure is low, workers also need to disassemble the housing to adjust the water flow sensor switch's position, making it difficult to adjust the switch's sensitivity. Therefore, a new electronic dispenser structure is needed to solve these problems. Utility Model Content
[0003] To solve the above-mentioned technical problems, this utility model provides an electronic car wash liquid dispenser with mounting through holes on the front and bottom sides of the housing, through which the valve ports of the first and second one-way valves extend. This allows for direct cleaning of the valve ports of the one-way valves without disassembling the housing and facilitates after-sales maintenance. In addition, by rotating the screw on the adjusting screw hole, the operator can move the reed switch up and down along the receiving cavity, thereby adjusting the position of the sensor without disassembling the housing and facilitating the adjustment of the sensor's sensitivity.
[0004] An electronic car wash solution dispenser includes a housing, a first one-way valve, and a second one-way valve. The housing has mounting holes on its front and bottom surfaces. The first and second one-way valves are correspondingly positioned within these mounting holes, with their valve ports extending out of the holes. The first one-way valve has an adjusting screw hole on its bottom surface, which is connected to the housing via a screw. The first one-way valve contains a receiving cavity and a reed switch. A sensor is mounted on the reed switch, which is slidably connected to the receiving cavity and abuts against the screw in the adjusting screw hole.
[0005] Preferably, the front side of the housing is provided with adjustment buttons and an electronic display screen, and the top surface of the housing is provided with a control switch.
[0006] Preferably, the bottom surface of the housing is provided with a plurality of mounting openings adjacent to the mounting through hole, the bottom surface of the first one-way valve is provided with mounting screw holes, and the mounting screw holes and adjusting screw holes of the first one-way valve are respectively connected to the mounting openings by screws.
[0007] Preferably, the first one-way valve has a conveying channel at its center, a threaded opening at the top of the conveying channel, a piston slidably connected inside the conveying channel, and a permanent magnet at the top of the piston.
[0008] Preferably, a compression spring is provided at the top of the accommodating cavity, and the reed switch abuts against the compression spring.
[0009] Preferably, the top surface of the accommodating cavity is provided with a connecting through hole.
[0010] The beneficial effects of this utility model are as follows: The electronic car wash liquid dispenser, through the cooperation of the housing, the first one-way valve and the second one-way valve, provides mounting through holes on the front and bottom surfaces of the housing, allowing the valve ports of both the first and second one-way valves to extend out of the mounting through holes. This allows for direct cleaning of the valve ports without disassembling the housing and facilitates after-sales maintenance. In addition, by rotating the screw on the adjusting screw hole, the operator can move the reed switch up and down along the receiving cavity, thereby adjusting the position of the sensor without disassembling the housing and facilitating the adjustment of the sensor's sensitivity. Attached Figure Description
[0011] Appendix Figure 1 This is a perspective view of the present utility model;
[0012] Appendix Figure 2 This is a bottom view of the present invention;
[0013] Appendix Figure 3 This is a bottom view of the first one-way valve in this utility model;
[0014] Appendix Figure 4 This utility model Figure 3 Sectional view of AA;
[0015] Appendix Figure 5 This utility model Figure 3 BB section view.
[0016] In the diagram: 1. Housing, 2. First check valve, 3. Second check valve, 4. Mounting through hole, 5. Adjusting screw hole, 6. Receptacle, 7. Reed switch, 8. Sensor, 9. Adjustment button, 10. Electronic display screen, 11. Control switch, 12. Mounting opening, 13. Mounting screw hole, 14. Conveying channel, 15. Piston, 16. Permanent magnet, 17. Compression spring, 18. Connecting through hole. Detailed Implementation
[0017] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so as to provide a clearer understanding of the technical concept claimed by the present invention.
[0018] like Figures 1 to 5 As shown, an electronic car wash liquid dispenser includes a housing 1, a first one-way valve 2, and a second one-way valve 3. The housing 1 has mounting holes 4 on its front and bottom surfaces. The first one-way valve 2 and the second one-way valve 3 are correspondingly positioned at the two mounting holes 4, with their valve ports extending out of the mounting holes 4. The bottom surface of the first one-way valve 2 has an adjusting screw hole 5, which is connected to the housing 1 by a screw. The first one-way valve 2 contains a receiving cavity 6 and a reed switch 7. A sensor 8 is mounted on the reed switch 7, which is slidably connected to the receiving cavity 6 and abuts against the screw in the adjusting screw hole 5.
[0019] The working principle of the electronic car wash solution dispenser described in this utility model is achieved through the cooperation of the housing 1, the first one-way valve 2, and the second one-way valve 3. Figures 1 to 5 As shown, the first one-way valve 2 and the second one-way valve 3 can be connected to external connectors. The first one-way valve 2 is used to deliver tap water, and the second one-way valve 3 is used to deliver cleaning agents. Since the valve ports of both the first one-way valve 2 and the second one-way valve 3 are accessed through the mounting through hole 4, when it is necessary to clean the valve port of the second one-way valve 3, the operator can directly disassemble the external connector on the second one-way valve 3 to clean it. In addition, the operator can rotate the screw on the adjusting screw hole 5 to drive the reed switch 7 to move up and down along the receiving cavity 6, thereby adjusting the position of the sensor 8 on the reed switch 7 in the receiving cavity 6. Compared with traditional electronic dispensing machines, this car wash liquid electronic dispensing machine does not require disassembling the housing 1 when cleaning the second one-way valve 3 and adjusting the sensor 8 on the reed switch 7, which facilitates after-sales maintenance and adjustment of the sensitivity of the sensor 8.
[0020] Specifically, the front side of the housing 1 is provided with an adjustment button 9 and an electronic display screen 10, and the top surface of the housing 1 is provided with a control switch 11. The bottom surface of the housing 1 is provided with multiple mounting openings 12 adjacent to the mounting through hole 4. The bottom surface of the first one-way valve 2 is provided with mounting screw holes 13, and the mounting screw holes 13 and adjustment screw holes 5 of the first one-way valve 2 are respectively connected to the mounting openings 12 by screws. Figures 1 to 5 As shown, a controller and a suction pump (not shown in the figure) can be installed inside the housing 1. The controller is electrically connected to the sensor 8, the adjustment button 9, the electronic display screen 10 and the control switch 11 respectively. The sensor 8 senses the tap water input so that the controller can control the suction pump to work. This is a conventional technical means and therefore will not be described in detail. The first one-way valve 2 is connected to the housing 1 by a screw, and the screw is exposed on the bottom surface of the housing 1 so that the operator can rotate the screw on the adjustment screw hole 5.
[0021] Furthermore, the first one-way valve 2 has a conveying channel 14 at its center, and a threaded opening at the top of the conveying channel 14. A piston 15 is slidably connected inside the conveying channel 14, and a permanent magnet 16 is provided at the top of the piston 15. Even further, a compression spring 17 is provided at the top of the receiving cavity 6, and a reed switch 7 abuts against the compression spring 17. The top surface of the receiving cavity 6 has a connecting through hole 18, such as... Figures 1 to 5 As shown, the threaded opening of the conveying channel 14 facilitates the connection of external pipes. The sensor 8 can be a magnetic sensor. The compression spring 17 ensures that the reed switch 7 abuts against the screw on the adjusting screw hole 5. The connecting through hole 18 in the accommodating cavity 6 can serve as the wire hole for the sensor 8, so that the sensor 8 can be connected to the outside wire. Tap water enters the first one-way valve 2 along the conveying channel 14 and drives the piston 15 to move upward. When the permanent magnet 16 on the piston 15 reaches the position of the sensor 8 on the reed switch 7, the sensor 8 senses the permanent magnet 16 and feeds back the tap water input signal of the first one-way valve 2, so that the controller can control the machine to work. When it is necessary to adjust the position of the sensor 8 in the accommodating cavity 6, the operator turns the screw on the adjusting screw hole 5 outward. The reed switch 7 moves downward with the screw under the action of the compression spring 17. In this way, the permanent magnet 16 on the piston 15 reaches the position of the sensor 8 more quickly, so that the sensor 8 senses the permanent magnet 16 and improves the sensitivity of the sensor 8.
[0022] The above are merely specific embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A car washing chemical electronic dispensing machine, characterized in that: The utility model provides a kind of temperature and humidity controller, including shell, first check valve and second check valve, the front side and bottom surface of the shell are provided with mounting through-hole, the first check valve and second check valve are correspondingly arranged in the position of two mounting through-holes, and the valve port of first check valve and second check valve both protrudes from the mounting through-hole, the bottom surface of the first check valve is provided with adjusting screw hole, and the adjusting screw hole of the first check valve is connected with the shell by screw, the first check valve is provided with accommodating cavity and dry reed tube, the dry reed tube is provided with inductor on, and the dry reed tube is slidably connected with the accommodating cavity and is abutted with the screw of adjusting screw hole.
2. The car washing chemical electronic dispensing machine according to claim 1, characterized in that: The front side of the shell is provided with adjusting button and electronic display screen, and the top surface of the shell is provided with control switch.
3. The car washing chemical dispensing machine of claim 1, wherein: The bottom surface of the shell is provided with a plurality of mounting openings adjacent to the mounting through-hole, the bottom surface of the first check valve is provided with a mounting screw hole, and the mounting screw hole and the adjusting screw hole of the first check valve are connected with the mounting opening by the screw respectively.
4. The car washing chemical dispensing machine of claim 1, wherein: The center of the first check valve is provided with a delivery channel, the top end of the delivery channel is provided with a threaded port, the delivery channel is slidably connected with a piston, and the top of the piston is provided with a permanent magnet.
5. The car washing chemical dispensing machine of claim 1, wherein: The top of the accommodating cavity is provided with a compression spring, and the dry reed tube is abutted with the compression spring.
6. The car washing chemical dispensing machine of claim 1, wherein: The top surface of the accommodating cavity is provided with a connecting through-hole.