An air-blowing volumetric metering and stepless antifreeze liquid mixing device

Abstract

The present application relates to the field of fluid storage and proportioning, and specifically discloses an air-blown volumetric metering and stepless proportioning antifreeze device, which includes a refrigerant storage tank, multiple liquid storage tanks, and multiple liquid dispensing valves. The liquid storage tanks are connected to an air pump and have a liquid outlet connector at the liquid outlet. The liquid dispensing valves include a sealed housing and a cylindrical plug, and the cylindrical plug has multiple liquid storage holes. Fluid delivery and proportioning are achieved through the cooperation of the air pump, liquid dispensing valve, etc. The liquid outlet connector contains a liquid outlet pipe and a constant pressure pipe to ensure stable liquid outflow. A motor drives the cylindrical plug to rotate on the outside of the sealed housing, and multiple dynamic sealing components are provided to ensure sealing. The liquid storage tanks are equipped with liquid level gauges for easy liquid level observation. The present application achieves the technical effect of precisely controlling the volume ratio of the various components of the antifreeze, achieving stepless proportioning, and stably delivering liquid, reducing leakage, while also facilitating real-time monitoring of the liquid level in the liquid storage tanks by the operator.

Description

Technical Field

[0001] The present application relates to the field of fluid storage and proportioning, and in particular to an air-blowing volumetric metering and stepless proportioning antifreeze liquid device. Background Art

[0002] In mechanical engineering and industrial production, precise liquid metering and proportioning is a crucial core technology, widely used in numerous industries, including chemicals, food, pharmaceuticals, and automotive manufacturing. With the acceleration of global industrialization, and particularly the recent boom in the automotive industry, the demand for liquid metering and proportioning is growing. Accurate liquid metering and proportioning not only ensures stable and consistent product quality, reduces defective products caused by improper proportioning, but also improves production efficiency and reduces costs.

[0003] Taking automobile manufacturing as an example, during the process of filling engine coolant, since the temperature environment faced by the car when operating in different regions varies greatly, accurately mixing the coolant suitable for the temperature environment of the region can ensure the performance and service life of the car and improve the overall quality of the car.

[0004] At present, most automobile manufacturers on the market directly purchase pre-mixed antifreeze. This method is relatively simple to operate, and the corresponding process can be completed by directly adding the purchased antifreeze into the interior of the car.

[0005] The above-mentioned related technologies have the following defects: since the lowest temperatures in different regions vary greatly depending on the sales area of ​​the car, antifreeze with different proportions and ingredients needs to be added according to the sales area, and direct procurement is less applicable. Summary of the Invention

[0006] In order to facilitate the addition of antifreeze with different proportions according to the sales area, the present application provides an air-blowing volumetric metering stepless proportioning antifreeze device.

[0007] The present application provides an air-blowing volumetric metering stepless antifreeze liquid device that adopts the following technical solutions:

[0008] An air-blowing volumetric metering stepless ratio antifreeze device comprises a freezing liquid storage tank, multiple liquid storage tanks and multiple liquid distribution valves, wherein the multiple liquid storage tanks and the multiple liquid distribution valves are arranged correspondingly; the liquid storage tank is connected to an air pump, and the liquid outlet end of the liquid storage tank is provided with a liquid outlet joint; the liquid distribution valve comprises a sealed shell and a cylindrical plug, and a vertically arranged cylindrical cavity is provided in the sealed shell; the upper end of the sealed shell is provided with a liquid inlet connecting pipe, and the lower end of the sealed shell is provided with a liquid outlet connecting pipe, and the liquid outlet end of the liquid inlet connecting pipe and the liquid inlet end of the liquid outlet connecting pipe are both connected to the The cylindrical cavity is connected; the cylindrical plug is coaxially rotatably arranged in the cylindrical cavity and is in dynamic sealing contact with the sealed shell; a plurality of axially arranged liquid storage holes are provided on the cylindrical plug, and the plurality of liquid storage holes are equidistantly spaced along the circumference of the cylindrical plug; the cylindrical plug portion between two adjacent liquid storage holes has a blocking area, and the blocking area is used to block the liquid inlet connecting pipe and / or the liquid outlet connecting pipe; the liquid outlet end of the liquid outlet joint is connected to the liquid inlet end of the liquid inlet connecting pipe; the liquid inlet of the refrigerant storage tank is connected to a plurality of the liquid outlet connecting pipes.

[0009] By adopting the above technical solution, multiple liquid storage tanks and multiple liquid distribution valves are correspondingly arranged, which can realize independent storage and distribution of multiple liquids, and facilitate subsequent proportioning according to needs; the liquid storage tank is connected to an air pump, which can use air pressure to press out the liquid in the liquid storage tank, providing power for liquid transportation; a liquid outlet joint is provided at the liquid outlet end of the liquid storage tank, which plays the role of connecting the liquid storage tank and the liquid inlet connecting pipe of the liquid distribution valve, ensuring that the liquid flows smoothly into the liquid distribution valve; the cylindrical cavity in the sealed shell of the liquid distribution valve provides space for the rotation of the cylindrical plug; the liquid inlet connecting pipe and the liquid outlet connecting pipe realize the inflow and outflow of liquid in the sealed shell; the cylindrical plug is rotatably arranged in the cylindrical cavity and connected to the sealed shell Dynamic sealing contact prevents liquid leakage, and the flow of liquid can be controlled by rotation; multiple axial liquid storage holes on the cylindrical plug are circumferentially equidistantly distributed, which can quantitatively store and transport the liquid; the sealing area between adjacent liquid storage holes can block the liquid inlet connecting pipe and / or the liquid outlet connecting pipe, thereby accurately controlling the flow of liquid; the liquid outlet joint is connected to the liquid inlet connecting pipe, and the liquid inlet of the freezing liquid storage tank is connected to multiple liquid outlet connecting pipes, so that each component forms a complete system. The air-blown volumetric metering stepless proportioning antifreeze device as a whole can perform stepless proportioning of antifreeze according to different needs, which solves the problem of needing to add antifreeze with different proportions due to different automobile sales areas, and improves the applicability of antifreeze filling.

[0010] Preferably, a vertically arranged liquid outlet pipe and a constant pressure pipe are provided in the liquid outlet joint, and the lower ports of the liquid outlet pipe and the constant pressure pipe are both connected to the liquid inlet end of the liquid inlet connecting pipe; the upper port of the liquid outlet pipe is arranged at the bottom of the liquid storage tank; the upper port of the constant pressure pipe is arranged at the tank mouth of the liquid storage tank.

[0011] By adopting the above technical solution, when liquid is injected into the liquid storage tank, the liquid level is lower than the upper port of the constant pressure tube. When the cylindrical piston rotates to a position where the liquid storage hole and the liquid outlet joint are directly opposite, under the action of gravity, the liquid outlet pipe can effectively transport the liquid at the bottom of the liquid storage tank to the liquid inlet connecting pipe, ensuring liquid output. The constant pressure tube is configured to balance the pressure between the liquid storage hole and the liquid storage tank, and to discharge the gas in the liquid storage hole into the liquid storage tank, ensuring that the liquid flows steadily and is fully filled into the liquid storage hole, thereby realizing the function of the liquid in the liquid storage tank flowing smoothly into the liquid distribution valve, and ensuring the normal operation of the entire antifreeze device.

[0012] Preferably, a motor for driving the cylindrical piston to rotate is installed on the outer side of the sealed shell.

[0013] By adopting the above technical solution, the motor drives the cylindrical piston to rotate, so that the cylindrical piston can rotate accurately in the cylindrical cavity, so that the liquid storage hole and the sealing area are coordinated with the liquid inlet connecting pipe and the liquid outlet connecting pipe in turn, thereby controlling the opening and closing of the liquid inlet connecting pipe and the liquid outlet connecting pipe, and realizing the liquid in different liquid storage tanks to flow into the refrigerant storage tank as required for stepless proportioning.

[0014] Preferably, a dynamic sealing assembly is provided between both ends of the cylindrical piston and the sealing shell, and the dynamic sealing assembly includes a first sealing bearing, a second sealing bearing and a plurality of first sealing gaskets arranged corresponding to the plurality of sealing areas, the first sealing bearing and the second sealing bearing are both coaxial with the cylindrical piston, and one end of each is adjacent to the cylindrical piston, and the other end of each is connected to the sealing shell; the first sealing bearing is arranged on the outside of the second sealing bearing, and the liquid storage hole and the sealing area are both located between the first sealing bearing and the second sealing bearing; the first sealing gasket is arranged at the corresponding sealing area, connected to the sealing shell, and also in contact with the sealing area, the first sealing bearing and the second sealing bearing.

[0015] By adopting the above technical solution, the setting of the dynamic sealing assembly can prevent liquid from leaking from between the cylindrical plug and the sealing shell, thereby ensuring the sealing of the liquid distribution valve. The first sealing bearing and the second sealing bearing are coaxially arranged with the cylindrical plug, which can ensure that the cylindrical plug remains stable during rotation and reduce shaking. At the same time, the two also play the role of supporting and positioning the cylindrical plug, so that the cylindrical plug can accurately rotate in the cylindrical cavity to achieve different liquid flow states. Multiple first sealing gaskets are arranged in the corresponding blocking area, in contact with the sealing shell, the blocking area, the first sealing bearing and the second sealing bearing, further enhancing the sealing of the blocking area, preventing liquid from leaking from the connection between the liquid inlet connecting pipe and the liquid outlet connecting pipe, and preventing the adjacent liquid storage holes from being connected, thereby improving the overall working stability and reliability of the device.

[0016] Preferably, the inner ring of the first sealed bearing and the outer ring of the second sealed bearing are both connected to the cylindrical piston; the outer ring of the first sealed bearing and the inner ring of the second sealed bearing are both connected to the sealed housing.

[0017] By adopting the above technical solution, a dynamic sealing connection is achieved between the cylindrical piston and the sealing shell, ensuring the sealing performance of the liquid distribution valve, avoiding liquid leakage, and thus ensuring the normal operation of the entire device, which helps to achieve accurate proportioning of antifreeze.

[0018] Preferably, the dynamic sealing assembly further comprises a plurality of second sealing pads arranged corresponding to the plurality of blocking areas, wherein the second sealing pads are arranged at the corresponding blocking areas and connected to the cylindrical plug;

[0019] The second sealing gasket is connected to the inner ring of the first sealing bearing and the outer ring of the second sealing bearing; each of the sealing areas is provided with a plurality of rollers arranged along the radial direction of the cylindrical piston, and the rollers are arranged between the first sealing gasket and the second sealing gasket, and are in contact with the first sealing gasket and the second sealing gasket; and one end of the roller is rotatably connected to the inner ring of the first sealing bearing, and the other end is rotatably connected to the outer ring of the second sealing bearing.

[0020] By adopting the above technical solution, the second sealing gasket is connected to the cylindrical piston and is connected to the inner ring of the first sealing bearing and the outer ring of the second sealing bearing, which can further enhance the sealing performance of the dynamic sealing assembly; a plurality of rollers are arranged along the radial direction of the cylindrical piston in the sealing area, and the rollers are located between the first sealing gasket and the second sealing gasket and are in contact with them, and at the same time, one end of the roller is rotatably connected to the inner ring of the first sealing bearing, and the other end is rotatably connected to the outer ring of the second sealing bearing, which can reduce the friction force during the rotation of the cylindrical piston, make the rotation of the cylindrical piston smoother, improve the operating stability of the device, and extend the service life of each component under the premise of ensuring sealing.

[0021] Preferably, in the circumferential direction of the cylindrical plug, the two rollers are respectively arranged at both ends of the orifice of the liquid storage hole, and the plurality of rollers are equidistantly distributed along the circumference of the cylindrical plug.

[0022] By adopting the above technical solution, two rollers are respectively arranged at the two ends of the orifice of the liquid storage hole in the circumferential direction of the cylindrical plug, which can effectively limit the orifice range of the liquid storage hole and make the liquid flow more precise and stable; multiple rollers are evenly distributed along the circumference of the cylindrical plug, which can ensure that the structure and performance of each liquid storage hole are uniform during operation, thereby improving the overall stability and reliability of the antifreeze liquid proportioning device.

[0023] Preferably, the roller is dynamically sealedly connected to the inner ring of the first sealed bearing and the outer ring of the second sealed bearing.

[0024] By adopting the above technical solution, the roller is dynamically sealed with the inner ring of the first sealed bearing and the outer ring of the second sealed bearing, which can ensure that during the rotation of the cylindrical piston, the connection and sealing operation between the liquid storage hole and the liquid inlet connecting pipe and the liquid outlet connecting pipe are more stable and reliable, reducing the risk of liquid leakage, improving the sealing and metering accuracy of the device, thereby ensuring that the stepless proportioning of the antifreeze liquid can be achieved more accurately, and better meeting the requirements of different sales areas for the proportioning composition of the antifreeze liquid.

[0025] Preferably, the liquid storage tank is also provided with a liquid level gauge.

[0026] By adopting the above technical solution, the liquid level meter can conveniently monitor the liquid amount in the liquid storage tank.

[0027] In summary, this application includes at least one of the following beneficial technical effects:

[0028] 1. Multiple liquid storage tanks and multiple liquid distribution valves are set up to achieve independent storage and distribution of multiple liquids, facilitating the subsequent stepless proportioning of antifreeze according to demand. This solves the problem of needing to add antifreeze with different proportions due to different car sales regions and improves the applicability of antifreeze filling;

[0029] 2. The cylindrical cavity within the sealed housing of the liquid dispensing valve provides space for the rotation of the cylindrical plug. The liquid inlet and outlet connecting pipes enable the inflow and outflow of liquid within the sealed housing. The cylindrical plug is rotatably disposed within the cylindrical cavity and is in dynamic sealing contact with the sealed housing to prevent liquid leakage. At the same time, the flow of liquid can be controlled by rotation.

[0030] 4. Multiple axial liquid storage holes on the cylindrical plug are equidistantly distributed around the circumference, enabling quantitative storage and delivery of liquids. The blocking areas between adjacent liquid storage holes can block the liquid inlet and / or outlet connecting pipes, thereby precisely controlling the flow of liquids.

[0031] 5. The liquid outlet joint is equipped with a liquid outlet pipe and a constant pressure pipe. The liquid outlet pipe can transport the liquid at the bottom of the liquid storage tank to the liquid inlet connecting pipe to ensure liquid output; the constant pressure pipe can balance the pressure between the liquid storage hole and the liquid storage tank, and discharge the gas in the liquid storage hole into the liquid storage tank, ensuring that the liquid flows steadily and fully fills the liquid storage hole, ensuring the normal operation of the entire antifreeze device;

[0032] 6. The motor installed outside the sealed housing drives the cylindrical plug to rotate, which can make the cylindrical plug rotate accurately in the cylindrical cavity, so that the liquid storage hole and the blocking area are aligned with the liquid inlet and outlet connecting pipes in turn, and the liquid inlet and outlet connecting pipes are controlled to be open and closed, so that the liquid in different storage tanks can flow into the refrigerant storage tank as required for stepless proportioning;

[0033] 7. The dynamic sealing assembly can prevent liquid from leaking from between the cylindrical plug and the sealed shell, ensuring the sealing of the liquid distribution valve; the first sealing bearing and the second sealing bearing can ensure that the cylindrical plug remains stable during rotation, reduce shaking, and play a role in supporting and positioning the cylindrical plug, so that the cylindrical plug can rotate accurately in the cylindrical cavity to achieve different liquid flow states; multiple first sealing gaskets are arranged in the corresponding sealing area, which can further enhance the sealing of the sealing area, prevent liquid from leaking from the connection between the liquid inlet connecting pipe and the liquid outlet connecting pipe, and prevent communication between adjacent liquid storage holes, thereby improving the overall working stability and reliability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0035] Figure 1 This is a schematic diagram of the overall structure of Example 1 of the present application;

[0036] Figure 2 This is a schematic cross-sectional view of the liquid storage tank according to the first embodiment of the present application;

[0037] Figure 3 This is a schematic diagram of the internal structure of the liquid dispensing valve according to the first embodiment of the present application;

[0038] Figure 4 It is a schematic cross-sectional view of the overall structure of Example 2 of the present application.

[0039] Reference numerals:

[0040] 1. Liquid storage tank;

[0041] 11. Liquid outlet connector; 111. Liquid outlet pipe; 112. Constant pressure pipe;

[0042] 12. Air pump; 13. Liquid level gauge; 14. Liquid outlet valve;

[0043] 2. Liquid distribution valve;

[0044] 21. Sealed housing; 2101. Cylindrical cavity; 211. Liquid inlet connecting pipe; 212. Liquid outlet connecting pipe;

[0045] 22. Cylindrical plug; 2201. Liquid storage hole; 2202. Blocking area;

[0046] 23. Dynamic seal assembly; 231. First sealed bearing; 232. Second sealed bearing;

[0047] 233, first sealing gasket; 234, second sealing gasket;

[0048] 235, roller;

[0049] 24. Motor;

[0050] 3. Multi-way connector; 31. Liquid inlet branch pipe; 32. Liquid outlet main pipe;

[0051] 4. Freeze liquid storage tank. DETAILED DESCRIPTION

[0052] The following is combined with Figure 1-4 This application is described in further detail.

[0053] The embodiment of the present application discloses an air-blowing volumetric metering and stepless proportioning antifreeze liquid device.

[0054] Example 1

[0055] Reference Figure 1 、 Figure 2 and Figure 3, an air-blown volumetric metering stepless ratio antifreeze device, comprising a freezing liquid storage tank 4, a plurality of liquid storage tanks 1 and a plurality of liquid distribution valves 2, wherein the plurality of liquid storage tanks 1 and the plurality of liquid distribution valves 2 are arranged correspondingly. The liquid storage tank 1 is connected to an air pump 12, and a liquid outlet connector 11 is provided at the liquid outlet end of the liquid storage tank 1. The liquid distribution valve 2 comprises a sealed shell 21 and a cylindrical plug 22, and a vertically arranged cylindrical cavity 2101 is provided in the sealed shell 21. A liquid inlet connecting pipe 211 is provided at the upper end of the sealed shell 21, and a liquid outlet connecting pipe 212 is provided at the lower end of the sealed shell 21, and the liquid outlet end of the liquid inlet connecting pipe 211 and the liquid inlet end of the liquid outlet connecting pipe 212 are both connected to the cylindrical cavity 2101. The cylindrical plug 22 is coaxially and rotatably arranged in the cylindrical cavity 2101, and is in dynamic sealing contact with the sealed shell 21. The cylindrical plug 22 is provided with a plurality of axially arranged liquid storage holes 2201, and the plurality of liquid storage holes 2201 are evenly spaced along the circumference of the cylindrical plug 22. Specifically, when setting the size of the liquid storage holes 2201, it is necessary to ensure that when the upper end of the liquid storage hole 2201 is closed, the liquid can flow out smoothly from the lower end of the liquid storage hole 2201 by its own weight, so as to avoid the situation where the liquid cannot flow down by its own weight due to factors such as vacuum or friction. The cylindrical plug 22 has a blocking area 2202 between two adjacent liquid storage holes 2201, and the blocking area 2202 is used to block the liquid inlet connecting pipe 211 and / or the liquid outlet connecting pipe 212. The liquid outlet end of the liquid outlet connector 11 is connected to the liquid inlet end of the liquid inlet connecting pipe 211. The liquid inlet of the freezing liquid storage tank 4 is connected to multiple liquid outlet connecting pipes 212. Specifically, the liquid inlet of the freezing liquid storage tank 4 is provided with a multi-way connector 3, which includes multiple liquid inlet connectors connected one-to-one to multiple liquid outlet connecting pipes 212, and a liquid outlet main pipe 32 connected to the liquid inlet of the freezing liquid storage tank 4. In order to facilitate mixing between various raw materials, a turbine is set in the liquid outlet main pipe 32 or a stirring rod is set in the freezing liquid storage tank 4.

[0056] Reference Figure 1 、 Figure 2 and Figure 3 In the embodiment of this application, refer to Figure 1 、 Figure 2 and Figure 3In the embodiment of the present application, a plurality of liquid storage tanks 1 are arranged corresponding to a plurality of liquid distribution valves 2, which can realize the independent storage and distribution of a plurality of liquids, and facilitate the subsequent proportioning according to demand. The liquid storage tank 1 is connected to the air pump 12, which can use the air pressure to press out the liquid in the liquid storage tank 1, providing power for liquid transportation. The liquid outlet end of the liquid storage tank 1 is provided with a liquid outlet joint 11, which serves to connect the liquid storage tank 1 and the liquid inlet connecting pipe 211 of the liquid distribution valve 2, ensuring that the liquid flows smoothly into the liquid distribution valve 2. The cylindrical cavity 2101 in the sealed shell 21 of the liquid distribution valve 2 provides space for the rotation of the cylindrical piston 22. The liquid inlet connecting pipe 211 and the liquid outlet connecting pipe 212 realize the inflow and outflow of liquid in the sealed shell 21. The cylindrical piston 22 is rotatably arranged in the cylindrical cavity 2101 and is in dynamic sealing contact with the sealed shell 21 to prevent liquid leakage. At the same time, the flow of liquid can be controlled by rotation. The multiple axial liquid storage holes 2201 on the cylindrical piston 22 are equidistantly distributed circumferentially, which can be used for quantitative storage and transportation of liquid. The sealing area 2202 between adjacent liquid storage holes 2201 can block the liquid inlet connecting pipe 211 and / or the liquid outlet connecting pipe 212, thereby precisely controlling the flow of liquid. The liquid outlet connector 11 is connected to the liquid inlet connecting pipe 211, and the liquid inlet of the refrigerant storage tank 4 is connected to the multiple liquid outlet connecting pipes 212, forming a complete system. This air-blown volumetric metering and stepless antifreeze liquid mixing device can continuously mix antifreeze liquid according to different needs, solving the problem of requiring different antifreeze composition ratios depending on the vehicle sales region and improving the applicability of antifreeze liquid filling.

[0057] Reference Figure 1 、 Figure 2 and Figure 3 The liquid outlet joint 11 is provided with a vertically arranged liquid outlet pipe 111 and a constant pressure pipe 112. The lower ends of the liquid outlet pipe 111 and the constant pressure pipe 112 are both connected to the liquid inlet end of the liquid inlet connecting pipe 211. The upper end of the liquid outlet pipe 111 is located at the bottom of the liquid storage tank 1. The upper end of the constant pressure pipe 112 is located at the tank opening of the liquid storage tank 1.

[0058] Reference Figure 1 、 Figure 2 and Figure 3 In the embodiment of the present application, when liquid is injected into the liquid storage tank 1, the liquid level is lower than the upper port of the constant pressure tube 112. When the cylindrical piston 22 rotates to the position where the liquid storage hole 2201 is directly opposite to the liquid outlet joint 11, under the action of gravity, the liquid outlet pipe 111 can effectively transport the liquid at the bottom of the liquid storage tank 1 to the liquid inlet connecting pipe 211, thereby ensuring liquid output. The constant pressure tube 112 is configured to balance the pressure between the liquid storage hole 2201 and the liquid storage tank 1, and to discharge the gas in the liquid storage hole 2201 into the liquid storage tank 1, thereby ensuring that the liquid flows in stably and is fully filled into the liquid storage hole 2201, thereby realizing the function of the liquid in the liquid storage tank 1 flowing smoothly into the liquid distribution valve 2, thereby ensuring the normal operation of the entire antifreeze device.

[0059] Reference Figure 1 、 Figure 2 and Figure 3 A motor 24 for driving the cylindrical piston 22 to rotate is installed on the outside of the sealed shell 21.

[0060] Reference Figure 1 、 Figure 2 and Figure 3 In the embodiment of the present application, the motor 24 drives the cylindrical piston 22 to rotate, which can make the cylindrical piston 22 rotate accurately in the cylindrical cavity 2101, so that the liquid storage hole 2201 and the blocking area 2202 are coordinated with the liquid inlet connecting pipe 211 and the liquid outlet connecting pipe 212 in turn, thereby controlling the opening and closing of the liquid inlet connecting pipe 211 and the liquid outlet connecting pipe 212, and realizing that the liquid in different liquid storage tanks 1 flows into the refrigerant storage tank 4 as required for stepless proportioning.

[0061] Reference Figure 1 、 Figure 2 and Figure 3 A dynamic sealing assembly 23 is provided between both ends of the cylindrical piston 22 and the sealed housing 21. The dynamic sealing assembly 23 includes a first sealing bearing 231, a second sealing bearing 232, and a plurality of first sealing gaskets 233 provided corresponding to the plurality of blocking areas 2202. The first sealing bearing 231 and the second sealing bearing 232 are both coaxial with the cylindrical piston 22, and one end of each is adjacent to the cylindrical piston 22, and the other end of each is connected to the sealed housing 21. The first sealing bearing 231 is provided on the outside of the second sealing bearing 232, and the liquid storage hole 2201 and the blocking area 2202 are both located between the first sealing bearing 231 and the second sealing bearing 232. The first sealing gasket 233 is provided at the corresponding blocking area 2202, connected to the sealed housing 21, and also in contact with the blocking area 2202, the first sealing bearing 231, and the second sealing bearing 232.

[0062] Reference Figure 1 、 Figure 2 and Figure 3In the embodiment of the present application, the setting of the dynamic sealing assembly 23 can prevent liquid from leaking from between the cylindrical piston 22 and the sealing shell 21, thereby ensuring the sealing performance of the liquid dispensing valve 2. The first sealing bearing 231 and the second sealing bearing 232 are coaxially arranged with the cylindrical piston 22, which can ensure that the cylindrical piston 22 remains stable during rotation and reduce shaking. At the same time, the two also play the role of supporting and positioning the cylindrical piston 22, so that the cylindrical piston 22 can accurately rotate in the cylindrical cavity 2101 to achieve different liquid circulation states. Multiple first sealing gaskets 233 are arranged in the corresponding blocking area 2202, contacting the sealing shell 21, the blocking area 2202, the first sealing bearing 231 and the second sealing bearing 232, further enhancing the sealing performance of the blocking area 2202, preventing liquid from leaking from the connection between the liquid inlet connecting pipe 211 and the liquid outlet connecting pipe 212, and preventing the adjacent liquid storage holes 2201 from being connected, thereby improving the overall working stability and reliability of the device.

[0063] Reference Figure 1 、 Figure 2 and Figure 3 The inner ring of the first sealed bearing 231 and the outer ring of the second sealed bearing 232 are both connected to the cylindrical piston 22. The outer ring of the first sealed bearing 231 and the inner ring of the second sealed bearing 232 are both connected to the sealed housing 21.

[0064] Reference Figure 1 、 Figure 2 and Figure 3 In the embodiment of the present application, a dynamic sealing connection is achieved between the cylindrical piston 22 and the sealing shell 21, ensuring the sealing performance of the liquid distribution valve 2, avoiding liquid leakage, and thus ensuring the normal operation of the entire device, which helps to achieve accurate proportioning of the antifreeze liquid.

[0065] Reference Figure 1 、 Figure 2 and Figure 3 The dynamic sealing assembly 23 further includes a plurality of second sealing gaskets 234 arranged corresponding to the plurality of blocking areas 2202 . The second sealing gaskets 234 are arranged at the corresponding blocking areas 2202 and connected to the cylindrical piston 22 .

[0066] The second sealing gasket 234 is connected to the inner ring of the first sealed bearing 231 and the outer ring of the second sealed bearing 232. Each sealing area 2202 is equipped with multiple rollers 235 arranged along the radius of the cylindrical piston 22. These rollers 235 are located between the first and second sealing gaskets 233, 234, and contact both of them. One end of the roller 235 is rotatably connected to the inner ring of the first sealed bearing 231, and the other end is rotatably connected to the outer ring of the second sealed bearing 232.

[0067] Reference Figure 1 、 Figure 2 and Figure 3 In the embodiment of this application, refer to Figure 1 、 Figure 2 and Figure 3 In the embodiment of the present application, the second sealing gasket 234 is connected to the cylindrical piston 22 and is connected to the inner ring of the first sealing bearing 231 and the outer ring of the second sealing bearing 232, which can further enhance the sealing performance of the dynamic sealing assembly 23. A plurality of rollers 235 are provided in the sealing area 2202 along the radial direction of the cylindrical piston 22. The rollers 235 are located between and in contact with the first sealing gasket 233 and the second sealing gasket 234. At the same time, one end of the roller 235 is rotatably connected to the inner ring of the first sealing bearing 231, and the other end is rotatably connected to the outer ring of the second sealing bearing 232. This can reduce the friction force during the rotation of the cylindrical piston 22, making the cylindrical piston 22 rotate more smoothly, improving the operational stability of the device, and extending the service life of various components while ensuring the sealing performance.

[0068] Reference Figure 1 、 Figure 2 and Figure 3 In the circumferential direction of the cylindrical plug 22 , two rollers 235 are respectively arranged at both ends of the opening of the liquid storage hole 2201 , and multiple rollers 235 are evenly distributed along the circumference of the cylindrical plug 22 .

[0069] Reference Figure 1 、 Figure 2 and Figure 3 In this embodiment, two rollers 235 are positioned at either end of the opening of liquid reservoir 2201 along the circumference of cylindrical plunger 22. This effectively limits the opening of liquid reservoir 2201, ensuring more precise and stable liquid flow. Multiple rollers 235 are evenly spaced along the circumference of cylindrical plunger 22, ensuring uniform structure and performance across each liquid reservoir 2201 during operation, improving the overall stability and reliability of the antifreeze dispensing device.

[0070] Reference Figure 1 、 Figure 2 and Figure 3 The roller 235 is dynamically sealedly connected to the inner ring of the first sealed bearing 231 and the outer ring of the second sealed bearing 232.

[0071] Reference Figure 1 、 Figure 2 and Figure 3 In the embodiment of the present application, the roller 235 is dynamically sealedly connected to the inner ring of the first sealing bearing 231 and the outer ring of the second sealing bearing 232, which can ensure that during the rotation of the cylindrical piston 22, the connection and sealing operation between the liquid storage hole 2201 and the liquid inlet connecting pipe 211 and the liquid outlet connecting pipe 212 are more stable and reliable, reducing the risk of liquid leakage, improving the sealing and metering accuracy of the device, thereby ensuring that the stepless proportioning of the antifreeze liquid can be achieved more accurately, and better meeting the requirements of different sales areas for the proportioning composition of the antifreeze liquid.

[0072] Reference Figure 1 、 Figure 2 and Figure 3 , a liquid level gauge 13 is also provided on the liquid storage tank 1. In the embodiment of the present application, the liquid level gauge 13 can conveniently monitor the amount of liquid in the liquid storage tank 1.

[0073] The implementation principle of the air-blowing volumetric metering stepless antifreeze liquid device in the embodiment of the present application is as follows:

[0074] There are two liquid storage tanks 1 , one of which is used as a raw liquid tank to store raw liquid, and the other is used as a cold water tank to store cold water. The liquid levels of the cold water and the raw liquid are both below the upper end of the constant pressure tube 112 .

[0075] When proportioning the refrigerant, the amount of liquid stored in the liquid storage hole 2201 is set as one unit. The air pump 12 injects gas into the liquid storage tank 1, creating a certain pressure inside the liquid storage tank 1. The motor 24 drives the cylindrical piston 22 to rotate, causing the liquid storage hole 2201 to first face the liquid outlet joint 11, allowing the liquid in the liquid storage tank 1 to flow along the liquid outlet pipe 111 to the liquid storage hole 2201. The gas in the liquid storage hole 2201 is discharged into the liquid storage tank 1 via the constant pressure pipe 112, ensuring that the liquid is fully filled in the liquid storage hole 2201, forming one unit of liquid. Then, the motor 24 drives the cylindrical piston 22 to continue rotating, transporting one unit of liquid to the liquid outlet connecting pipe 212. Under the action of gravity, this unit of liquid flows into the refrigerant storage tank 4 via the multi-way joint 3. When the liquid storage tank 1 is no longer needed to discharge liquid, the cylindrical piston 22 rotates, causing the blocking area 2202 to block the liquid inlet connecting pipe 211 and the liquid outlet connecting pipe 212.

[0076] In the above manner, the raw liquid tank and the cold water tank respectively input appropriate number of units of raw liquid and cold water into the freezing liquid storage tank 4 according to actual ratio requirements. The raw liquid and cold water are mixed in the freezing liquid storage tank 4 to form freezing liquid.

[0077] Example 2

[0078] Reference Figure 4 The difference between Example 2 and Example 1 is that there is no liquid dispensing valve 2, and a liquid outlet valve 14 is provided at the bottom of the liquid storage tank 1. The liquid outlet joint 11 is installed on the tank cover of the liquid storage tank 1, and only a liquid outlet pipe 111 is provided in the liquid outlet joint 11. The liquid inlet end of the liquid outlet pipe 111 is provided at the tank bottom of the liquid storage tank 1. After the liquid outlet end of the liquid outlet pipe 111 passes through the tank cover of the liquid storage tank 1, it extends downward and is connected to the liquid inlet end of the refrigerant storage tank 4. In the embodiment of the present application, when configuring the refrigerant, the air pump 12 injects air flow into the liquid storage tank 1, increases the air pressure in the refrigerant storage tank 4, and then discharges the raw liquid or cold water into the refrigerant storage tank 4 through the liquid outlet pipe 111.

[0079] The implementation principle of the air-blowing volumetric metering stepless antifreeze liquid device in the embodiment of the present application is as follows:

[0080] There are two liquid storage tanks 1 , one of which is used as a raw liquid tank to store raw liquid, and the other is used as a cold water tank to store cold water. The liquid levels of the cold water and the raw liquid are both below the upper end of the constant pressure tube 112 .

[0081] When configuring the refrigerant, the air pump 12 injects air into the liquid storage tank 1 to increase the air pressure in the refrigerant storage tank 4 , and then discharges the raw liquid or cold water into the refrigerant storage tank 4 through the liquid outlet pipe 111 .

[0082] The raw liquid tank and the cold water tank adjust the corresponding gas input amount of the air pump 12 according to the actual ratio requirements in the above manner, and input the appropriate number of units of raw liquid and cold water into the refrigerant storage tank 4 respectively. The raw liquid and cold water are mixed in the refrigerant storage tank 4 to form refrigerant.

[0083] Unless otherwise defined, the technical or scientific terms used in this application shall have the usual meanings understood by persons of ordinary skill in the field to which this application belongs. The words "first", "second", "third" and similar terms used in the specification and claims of this application do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "one" or "a" do not indicate a quantity limitation, but rather indicate the existence of at least one. Words such as "include" or "comprise" mean that the elements or objects appearing before "include" or "comprises" cover the elements or objects listed after "include" or "comprises" and their equivalents, and do not exclude other elements or objects. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0084] The above are all optional embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An air-blowing volumetric metering and stepless antifreeze liquid mixing device, characterized by: It comprises a freezing liquid storage tank (4), a plurality of liquid storage tanks (1) and a plurality of liquid distribution valves (2), wherein the plurality of liquid storage tanks (1) and the plurality of liquid distribution valves (2) are arranged correspondingly; The liquid storage tank (1) is connected to an air pump (12), and a liquid outlet connector (11) is provided at the liquid outlet end of the liquid storage tank (1); The liquid dispensing valve (2) comprises a sealed housing (21) and a cylindrical plug (22); a vertically arranged cylindrical cavity (2101) is provided in the sealed housing (21); The upper end of the sealed housing (21) is provided with a liquid inlet connecting pipe (211), and the lower end of the sealed housing (21) is provided with a liquid outlet connecting pipe (212), and the liquid outlet end of the liquid inlet connecting pipe (211) and the liquid inlet end of the liquid outlet connecting pipe (212) are both in communication with the cylindrical cavity (2101); The cylindrical plug (22) is coaxially rotatably disposed in the cylindrical cavity (2101) and is in dynamic sealing contact with the sealing housing (21); The cylindrical plug (22) is provided with a plurality of axially arranged liquid storage holes (2201), and the plurality of liquid storage holes (2201) are distributed at equal intervals along the circumference of the cylindrical plug (22); The cylindrical plug (22) has a blocking area (2202) between two adjacent liquid storage holes (2201), and the blocking area (2202) is used to block the liquid inlet connecting pipe (211) and / or the liquid outlet connecting pipe (212); The liquid outlet end of the liquid outlet joint (11) is connected to the liquid inlet end of the liquid inlet connecting pipe (211); The liquid inlet of the freezing liquid storage tank (4) is connected to the plurality of liquid outlet connecting pipes (212); A vertically arranged liquid outlet pipe (111) and a constant pressure pipe (112) are provided in the liquid outlet joint (11), and the lower ends of the liquid outlet pipe (111) and the constant pressure pipe (112) are both connected to the liquid inlet end of the liquid inlet connecting pipe (211); the upper end of the liquid outlet pipe (111) is provided at the bottom of the liquid storage tank (1); the upper end of the constant pressure pipe (112) is provided at the tank opening of the liquid storage tank (1); A dynamic sealing assembly (23) is provided between both ends of the cylindrical piston (22) and the sealing housing (21), the dynamic sealing assembly (23) comprising a first sealing bearing (231), a second sealing bearing (232) and a plurality of first sealing pads (233) provided corresponding to the plurality of blocking areas (2202), the first sealing bearing (231) and the second sealing bearing (232) being coaxial with the cylindrical piston (22), and having one end adjacent to the cylindrical piston (22) and the other end connected to the sealing housing (21); The first sealed bearing (231) is arranged outside the second sealed bearing (232), and the liquid storage hole (2201) and the blocking area (2202) are both located between the first sealed bearing (231) and the second sealed bearing (232); The first sealing gasket (233) is provided at the corresponding blocking area (2202), is connected to the sealing housing (21), and is also in contact with the blocking area (2202), the first sealing bearing (231), and the second sealing bearing (232); The dynamic sealing assembly (23) further comprises a plurality of second sealing pads (234) arranged corresponding to the plurality of blocking areas (2202), wherein the second sealing pads (234) are arranged at the corresponding blocking areas (2202) and connected to the cylindrical piston (22); The second sealing gasket (234) is connected to the inner ring of the first sealing bearing (231) and the outer ring of the second sealing bearing (232); A plurality of rollers (235) are provided at each of the blocking areas (2202) and are arranged along the radial direction of the cylindrical plug (22); the rollers (235) are provided between the first sealing gasket (233) and the second sealing gasket (234), and are in contact with the first sealing gasket (233) and the second sealing gasket (234); One end of the roller (235) is rotatably connected to the inner ring of the first sealed bearing (231), and the other end is rotatably connected to the outer ring of the second sealed bearing (232).

2. The air-blowing volumetric metering and stepless antifreeze liquid mixing device according to claim 1, characterized in that: A motor (24) for driving the cylindrical piston (22) to rotate is installed on the outside of the sealed housing (21).

3. The air-blowing volumetric metering and stepless antifreeze liquid mixing device according to claim 1, characterized in that: The inner ring of the first sealed bearing (231) and the outer ring of the second sealed bearing (232) are both connected to the cylindrical piston (22); The outer ring of the first sealed bearing (231) and the inner ring of the second sealed bearing (232) are both connected to the sealed housing (21).

4. The air-blowing volumetric metering and stepless antifreeze liquid mixing device according to claim 1, characterized in that: In the circumferential direction of the cylindrical plug (22), two rollers (235) are respectively arranged at both ends of the opening of the liquid storage hole (2201), and a plurality of rollers (235) are equidistantly distributed along the circumference of the cylindrical plug (22).

5. The air-blowing volumetric metering and stepless antifreeze liquid mixing device according to claim 1, characterized in that: The roller (235) is dynamically sealedly connected to the inner ring of the first sealed bearing (231) and the outer ring of the second sealed bearing (232).

6. The air-blowing volumetric metering and stepless antifreeze liquid mixing device according to claim 1, characterized in that: The liquid storage tank (1) is also provided with a liquid level gauge (13).

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