CN220425030U - Quantitative proportioning system for liquid medicine - Google Patents
Quantitative proportioning system for liquid medicine Download PDFInfo
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- CN220425030U CN220425030U CN202321924147.0U CN202321924147U CN220425030U CN 220425030 U CN220425030 U CN 220425030U CN 202321924147 U CN202321924147 U CN 202321924147U CN 220425030 U CN220425030 U CN 220425030U
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- 239000007788 liquid Substances 0.000 title claims abstract description 61
- 239000003814 drug Substances 0.000 title claims abstract description 27
- 239000011550 stock solution Substances 0.000 claims abstract description 84
- 239000003085 diluting agent Substances 0.000 claims abstract description 69
- 238000003860 storage Methods 0.000 claims abstract description 69
- 238000002156 mixing Methods 0.000 claims abstract description 62
- 239000007921 spray Substances 0.000 claims abstract description 12
- 239000012895 dilution Substances 0.000 claims description 13
- 238000010790 dilution Methods 0.000 claims description 13
- 239000000243 solution Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims 1
- 241000283690 Bos taurus Species 0.000 description 13
- 230000009471 action Effects 0.000 description 8
- 201000010099 disease Diseases 0.000 description 8
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 8
- 210000000003 hoof Anatomy 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 210000000481 breast Anatomy 0.000 description 4
- 208000030270 breast disease Diseases 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- 235000013365 dairy product Nutrition 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 201000004624 Dermatitis Diseases 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000002354 daily effect Effects 0.000 description 2
- 208000004396 mastitis Diseases 0.000 description 2
- 206010007882 Cellulitis Diseases 0.000 description 1
- 208000000260 Warts Diseases 0.000 description 1
- 230000036528 appetite Effects 0.000 description 1
- 235000019789 appetite Nutrition 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 230000002888 effect on disease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 230000006651 lactation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007721 medicinal effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 208000026438 poor feeding Diseases 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 201000010153 skin papilloma Diseases 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Abstract
The utility model discloses a liquid medicine quantitative proportioning system, which comprises a diluent storage tank, a stock solution storage tank group, a mixing tank group, a handheld spray gun and a mixer, wherein the diluent storage tank is connected with the stock solution storage tank group; the inlet of the diluent storage tank is connected with a diluent pipeline, a stop valve is arranged on the diluent pipeline, and the outlet of the diluent storage tank is connected with a first inlet pipeline of the mixer through a diluent metering pump; the outlet of the stock solution storage tank group is connected with an inlet pipeline of the stock solution metering pump through a first electromagnetic reversing valve, and the outlet of the stock solution metering pump is connected with a second inlet pipeline of the mixer; the outlet of the mixer is connected with an inlet pipeline of a second electromagnetic directional valve, and the outlet of the second electromagnetic directional valve is connected with a plurality of mixing tank groups through a liquid inlet pipe; the outlet of the mixing tank of each mixing tank group is respectively connected with the inlet pipeline of the delivery pump, and the outlet of the delivery pump is connected with the inlet pipelines of a plurality of handheld spray guns.
Description
Technical field:
the utility model relates to the technical field of cultivation, in particular to a liquid medicine quantitative proportioning system.
The background technology is as follows:
common diseases of cows in farms include hoof diseases and breast diseases, wherein the hoof diseases mainly comprise wart dermatitis, toe dermatitis, hoof cellulitis and the like, and the hoof diseases can cause the cows to generate various stress reactions to cause the cows to damage the nipple and the breast; the breast diseases are factors such as irregular cultivation, poor feeding conditions, unsanitary milking disinfection, high milking intensity and the like in the daily feeding process, so that the dairy cows are flooded with the breast diseases, especially mastitis, once the dairy cows are subjected to the mastitis, the whole body changes, the body temperature rises, the appetite is reduced, the milk yield is reduced, and the breasts can be seriously and permanently lost to lactation capacity, so that the heavy people are eliminated or die. Therefore, it is important to ensure the health of cow hooves and breasts of cows and to cure timely and scientifically.
The current treatment means for hoof diseases and breast diseases is to prepare medicated bath liquid and then wash diseased parts in a spraying mode, the preparation and the manufacture of the medicated bath liquid are manually finished at present, namely, the purchased concentrated medicament is diluted by adding water and manually stirred for mixed use, and as the dairy cows in a farm are different in disease conditions, the concentration of the medicated bath liquid and the type of the medicament need to be controlled, so that the number of the medicated bath liquid which needs to be prepared every day manually is large, manpower is wasted, meanwhile, inaccurate medicament proportion can be caused due to manual proportion dilution, the concentration is low, no effect on disease treatment is achieved, the concentration is high, the irritation to the diseased parts is caused, and the use cost of the medicament is high.
The utility model comprises the following steps:
the utility model aims to provide a liquid medicine quantitative proportioning system.
The utility model is implemented by the following technical scheme: the liquid medicine quantitative proportioning system comprises a diluent storage tank, a stock solution storage tank group, a mixing tank group, a handheld spray gun and a mixer;
the inlet of the diluent storage tank is connected with a diluent pipeline, a stop valve is arranged on the diluent pipeline, and the outlet of the diluent storage tank is connected with a first inlet pipeline of the mixer through a diluent metering pump;
the outlet of the stock solution storage tank group is connected with an inlet pipeline of a stock solution metering pump through a first electromagnetic reversing valve, and the outlet of the stock solution metering pump is connected with a second inlet pipeline of the mixer;
the outlet of the mixer is connected with an inlet pipeline of a second electromagnetic directional valve, and the outlet of the second electromagnetic directional valve is connected with a plurality of mixing tank groups through a liquid inlet pipe;
the outlet of the mixing tank of each mixing tank group is respectively connected with the inlet pipeline of a delivery pump, and the outlet of the delivery pump is connected with the inlet pipelines of a plurality of handheld spray guns.
Further, the stock solution storage tank group comprises at least one stock solution storage tank.
Further, the mixing tank group comprises a quantifying tank, a mixing tank and a third electromagnetic directional valve, wherein an inlet of the third electromagnetic directional valve is connected with the liquid inlet pipe, and an outlet of the third electromagnetic directional valve is respectively connected with the quantifying tank and an inlet pipeline of the mixing tank.
Further, the stock solution storage tank, the diluent storage tank and the mixing tank are respectively provided with a liquid level meter.
Further, a filter is arranged at the outlet of the stock solution storage tank, the outlet of the diluent storage tank and the inlet of the mixing tank.
Further, a first flowmeter is arranged on a pipeline between the outlet of the diluent storage tank and the inlet of the diluent metering pump, and a second flowmeter is arranged on a pipeline between the first electromagnetic reversing valve and the stock solution metering pump.
Further, the automatic feeding device further comprises a control box, wherein the control box comprises a controller and an operation panel, the controller is electrically connected with the operation panel, the input end of the controller is respectively electrically connected with the liquid level meter of the stock solution storage tank, the liquid level meter of the dilution solution storage tank, the liquid level meter of the mixing tank, the first flowmeter and the second flowmeter, and the output end of the controller is respectively electrically connected with the stop valve, the first electromagnetic directional valve, the second electromagnetic directional valve and the third electromagnetic directional valve, the dilution solution metering pump, the stock solution metering pump and the conveying pump.
The utility model has the advantages that: under the cooperation of a controller, a mixer, a mixing tank set, a liquid level meter and a metering pump, the ratio parameters of the stock solution and the diluent can be set, so that the stock solution is diluted according to a certain ratio, different stock solutions can be stored in corresponding mixing tanks after being diluted under the action of each electromagnetic reversing valve, the mixing tank set and the stock solution storage tank set, the interference among different medicaments is reduced, the efficacy is ensured, the normal cleaning work of other mixing tanks on diseased parts is not influenced, the labor amount of manpower dilution is saved, the accuracy of dilution concentration is ensured, the use cost of raw materials is saved, and the treatment effect of diseases is ensured;
description of the drawings:
in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the connection relationship of the present utility model;
in the figure: the device comprises a diluent storage tank 1, a diluent pipeline 2, a stop valve 3, a diluent metering pump 4, a mixer 5, a stock solution storage tank group 6, a stock solution storage tank 61, a first electromagnetic directional valve 7, a stock solution metering pump 8, a second electromagnetic directional valve 9, a liquid inlet pipe 10, a mixing tank group 11, a mixing tank 111, a quantifying tank 112, a third electromagnetic directional valve 113, a delivery pump 12, a handheld spray gun 13, a liquid level meter 14, a filter 15, a controller 16, a first flowmeter 17, a second flowmeter 18, a control box 19 and an operation panel 20.
The specific embodiment is as follows:
the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the liquid medicine quantitative proportioning system comprises a diluent storage tank 1, a stock solution storage tank group 6, a mixing tank group 11, a handheld spray gun 13 and a mixer 5;
the inlet of the diluent storage tank 1 is connected with the diluent pipeline 2, the diluent pipeline 2 is provided with the stop valve 3, the outlet of the diluent storage tank 1 is connected with the first inlet pipeline of the mixer 5 through the diluent metering pump 4, the diluent can be other medicaments or water, the diluent is used for diluting the medicament stock solution in the stock solution storage tank 61, the diluted medicament meets the flushing requirement on the parts of the cattle suffering diseases, the diluent is added into the diluent storage tank 1 through the stop valve 3, the amount of the diluent entering the subsequent mixing tank 111 is conveniently controlled under the action of the diluent metering pump 4, and the accuracy of the proportion is ensured.
The outlet of the stock solution storage tank set 6 is connected with the inlet pipeline of the stock solution metering pump 8 through the first electromagnetic directional valve 7, the outlet of the stock solution metering pump 8 is connected with the second inlet pipeline of the mixer 5, the stock solution storage tank set 6 comprises at least one stock solution storage tank 61, through a plurality of stock solution storage tanks 61 arranged, the stock solution storage tanks 61 of various types of medicaments can be arranged according to the needs, the stock solution in the corresponding stock solution storage tanks 61 can be selected to be mixed with the diluent according to the actual diseased degree and type under the control of the first electromagnetic directional valve 7, the concentration of the stock solution is regulated, the amount of the stock solution entering the mixing tank 111 is controlled through the stock solution metering pump 8, and the stock solution metering pump 8 and the diluent metering pump 4 are gear type metering pumps.
The outlet of the mixer 5 is connected with an inlet pipeline of a second electromagnetic directional valve 9, the outlet of the second electromagnetic directional valve 9 is connected with a plurality of mixing tank groups 11 through a liquid inlet pipe 10, stock solution and diluent are mixed in the mixer 5, and then under the control of the second electromagnetic directional valve 9, the mixed solution is selectively sent to the corresponding mixing tank groups 11 for storage, and the mixer 5 adopts a mechanical mixing mode.
The outlet of the mixing tank 111 of each mixing tank group 11 is respectively connected with the inlet pipeline of the delivery pump 12, the outlet of the delivery pump 12 is connected with the inlet pipelines of a plurality of handheld spray guns 13, the stock solution temporarily stored in the mixing tank groups 11 after dilution is pumped into the handheld spray guns 13 under the action of the delivery pump 12, and the diseased parts of the cattle are cleaned through the handheld spray guns 13.
The mixing tank set 11 comprises a quantifying tank 112, a mixing tank 111 and a third electromagnetic directional valve 113, wherein an inlet of the third electromagnetic directional valve 113 is connected with the liquid inlet pipe 10, an outlet of the third electromagnetic directional valve 113 is respectively connected with the quantifying tank 112 and an inlet pipeline of the mixing tank 111, and configured diluted stock solution is stored through the action of the quantifying tank 112 so as to be conveniently conveyed to a cultivation area far away for daily use.
The stock solution storage tank 61, the diluent storage tank 1 and the mixing tank 111 are respectively provided with the liquid level meter 14, and the liquid amount in the stock solution storage tank 61, the diluent storage tank 1 and the mixing tank 111 can be monitored through the liquid level meter 14, so that the preparation can be adjusted in time according to actual needs.
The filter 15 is arranged at the outlet of the stock solution storage tank 61, the outlet of the diluent storage tank 1 and the inlet of the mixing tank, and the crystallized stock solution can be separated through the filter 15, so that impurities and the like in the stock solution can be removed, the concentration requirement of subsequent preparation is ensured, and the quality of the prepared product is ensured.
The pipeline between the outlet of the diluent storage tank 1 and the inlet of the diluent metering pump 4 is provided with a first flowmeter 17, the pipeline between the first electromagnetic directional valve 7 and the stock solution metering pump 8 is provided with a second flowmeter 18, the first flowmeter 17 and the second flowmeter 18 are used for detecting the water flow state on the pipeline, when the water flow on the pipeline is low, the liquid quantity in the storage tank is insufficient, other storage tanks need to be switched, cavitation caused by pump evacuation is reduced, and the service lives of a pump body and an overflow part of the water pump are effectively protected.
The control box 19 is further included, the control box 19 comprises a controller 16 and an operation panel 20, the controller 16 is electrically connected with the operation panel 20, the operation panel 20 comprises an operation button and a display screen, the operation button comprises a start-stop button, a manual-automatic button and a liquid medicine switching button, the start-stop button on the operation button is used for controlling the unified start-stop of corresponding electromagnetic valves and pumps on the whole system, the manual-automatic switching is realized through the manual-automatic button, the first electromagnetic reversing valve 7 is controlled through the liquid medicine switching button, the switching of different stock solutions is realized, and fault information, liquid level conditions, parameter proportioning information and power supply running conditions are displayed through the display screen; the system can set the mixing proportion of stock solution and diluent, monitor the liquid level state of each tank body, control the rotating speed of each pump, start and stop, control the electromagnetic directional valve to switch each liquid, detect the lack of liquid and alarm faults.
The input of the controller 16 is respectively connected with the liquid level meter 14 of the stock solution storage tank 61, the liquid level meter 14 of the diluent storage tank 1, the liquid level meter 14 of the mixing tank 111, the first flowmeter 17 and the second flowmeter 18, and the output of the controller 16 is respectively connected with the stop valve 3, the first electromagnetic directional valve 7, the second electromagnetic directional valve 9, the third electromagnetic directional valve 113, the diluent metering pump 4, the stock solution metering pump 8 and the delivery pump 12, and the effective monitoring of the medicament can be effectively realized through the action of the controller 16, meanwhile, the manual control is convenient, the labor intensity of manual operation is saved, the physical strength is saved, and the operation is simple.
Under the cooperation of the controller 16, the mixer 5, the mixing tank set 11, the liquid level meter 14 and the metering pump, the proportion parameters of the stock solution and the diluent can be set, the stock solution can be diluted according to a certain proportion, different stock solutions can be diluted under the action of each electromagnetic reversing valve, the mixing tank set 11 and the stock solution storage tank set 6 and then stored in the corresponding mixing tank 111, the interference among different medicaments is reduced, the medicinal effect is ensured, the normal cleaning work of other mixing tanks 111 on diseased parts is not influenced, the labor amount of manpower dilution is saved, and the accuracy of dilution concentration is ensured.
Preferably, the dosing system can be integrated in a box body to form medicament proportioning equipment, so that the dosing system is convenient to transport.
The specific operation of this example;
opening the stop valve 3, adding diluent into the diluent storage tank 1 by the diluent pipeline 2, and closing the stop valve 3 when the liquid level value displayed by the liquid level meter 14 in the diluent storage tank 1 reaches the upper limit;
different mixed liquids can be selected according to different use scenes, and corresponding stock solutions are selected according to the affected parts and the affected degree or preventive use in the environment of using the liquid medicine in pastures such as cow breasts, cow hooves, cowsheds and the like;
automatic control, switching to automatic control through a manual and automatic button on an operation panel:
the controller controls the second electromagnetic directional valve 9 to switch the needed stock solution storage tank 61, then the diluent metering pump 4 and the stock solution metering pump 8 are started, diluent and stock solution are sent to the mixer 5 under the action of the diluent metering pump 4 and the stock solution metering pump 8, the second electromagnetic directional valve 9 controls the corresponding mixing tank 111 to which the mixed solution is sent, the mixed solution is sent to the mixing tank 111 for temporary storage, the required values of the diluent metering pump 4 and the stock solution metering pump 8 are reached, and the diluent metering pump 4 and the stock solution metering pump 8 are stopped by the controller 16;
meanwhile, under the action of the third electromagnetic directional valve 113, a certain amount of mixed liquid is pumped into the quantitative tank 112 for other cultivation areas which are far away or need to be sent out for use;
when the mixed liquid is in the mixing tank 111, the controller 16 can start the delivery pump 12 to deliver the mixed liquid in the mixing tank 111 to each handheld spray gun 13 to clean the diseased parts of the cattle;
during the period, the liquid levels in the stock solution storage tank 61, the diluent storage tank 1 and the mixing tank 111 are monitored by the controller 16, when the liquid levels in the stock solution storage tank 61 and the diluent storage tank 1 are low, the controller 16 starts corresponding electromagnetic valves or pumps to supplement the liquid in the stock solution storage tank 61 and the diluent storage tank 1, and when the mixed liquid in the mixing tank 111 is insufficient, the diluent metering pump 4 and the stock solution metering pump 8 are started to perform configuration;
when the liquid level gauge 14 of the mixing tank 111 detects that the liquid level is full, i.e. the stock solution is diluted, the controller controls the first electromagnetic directional valve 7, the corresponding stock solution is selected through the first electromagnetic directional valve 7, the corresponding diluent metering pump 4 is automatically opened, the second electromagnetic directional valve 9 is switched to send the mixed solution at the outlet of the mixer 5 to the corresponding mixing tank 111, the stock solution is diluted and stored in the corresponding mixing tank 111, the interference among different medicaments is reduced, the drug effect is ensured, and the normal use of other mixing tanks 111 is not influenced;
manual control, switching to manual control by a manual-automatic button on an operation panel:
in the manual control state, the corresponding stock solution is selected for dilution, and after the dilution is finished, the system stops running, or the first electromagnetic directional valve 7, the second electromagnetic directional valve 9 and the corresponding pump are manually controlled, other stock solutions are selected for dilution, and are stored in the corresponding mixing tank 111, and the corresponding stock solutions are diluted according to the numerical value monitored by the liquid level meter 14.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. The liquid medicine quantitative proportioning system is characterized by comprising a diluent storage tank, a stock solution storage tank group, a mixing tank group, a handheld spray gun and a mixer;
the inlet of the diluent storage tank is connected with a diluent pipeline, a stop valve is arranged on the diluent pipeline, and the outlet of the diluent storage tank is connected with a first inlet pipeline of the mixer through a diluent metering pump;
the outlet of the stock solution storage tank group is connected with an inlet pipeline of a stock solution metering pump through a first electromagnetic reversing valve, and the outlet of the stock solution metering pump is connected with a second inlet pipeline of the mixer;
the outlet of the mixer is connected with an inlet pipeline of a second electromagnetic directional valve, and the outlet of the second electromagnetic directional valve is connected with a plurality of mixing tank groups through a liquid inlet pipe;
the outlet of the mixing tank of each mixing tank group is respectively connected with the inlet pipeline of a delivery pump, and the outlet of the delivery pump is connected with the inlet pipelines of a plurality of handheld spray guns.
2. The medical fluid dosing system of claim 1, wherein said set of stock solution tanks includes at least one of said stock solution tanks.
3. The quantitative liquid medicine proportioning system according to claim 2, wherein the mixing tank group comprises a quantitative tank, a mixing tank and a third electromagnetic directional valve, an inlet of the third electromagnetic directional valve is connected with the liquid inlet pipe, and an outlet of the third electromagnetic directional valve is connected with inlet pipelines of the quantitative tank and the mixing tank respectively.
4. The quantitative liquid medicine proportioning system of claim 3, wherein the stock solution storage tank, the diluent storage tank and the mixing tank are respectively provided with a liquid level meter.
5. The dosing system of claim 4, wherein the outlet of the stock solution tank, the outlet of the diluent tank, and the inlet of the mixing tank are provided with filters.
6. The dosing system of claim 5, wherein a first flow meter is disposed on a line between an outlet of the diluent reservoir and an inlet of the diluent metering pump, and a second flow meter is disposed on a line between the first electromagnetic directional valve and the stock solution metering pump.
7. The quantitative liquid medicine proportioning system of claim 6, further comprising a control box, wherein the control box comprises a controller and an operation panel, the controller is electrically connected with the operation panel, the input end of the controller is electrically connected with the liquid level meter of the stock solution storage tank, the liquid level meter of the dilution solution storage tank, the liquid level meter of the mixing tank, the first flowmeter and the second flowmeter respectively, and the output end of the controller is electrically connected with the stop valve, the first electromagnetic directional valve, the second electromagnetic directional valve, the third electromagnetic directional valve, the dilution solution metering pump, the stock solution metering pump and the delivery pump respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321924147.0U CN220425030U (en) | 2023-07-20 | 2023-07-20 | Quantitative proportioning system for liquid medicine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321924147.0U CN220425030U (en) | 2023-07-20 | 2023-07-20 | Quantitative proportioning system for liquid medicine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220425030U true CN220425030U (en) | 2024-02-02 |
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ID=89685682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321924147.0U Active CN220425030U (en) | 2023-07-20 | 2023-07-20 | Quantitative proportioning system for liquid medicine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220425030U (en) |
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2023
- 2023-07-20 CN CN202321924147.0U patent/CN220425030U/en active Active
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