CN220875106U - Infusion device for improving soil nutrition - Google Patents
Infusion device for improving soil nutrition Download PDFInfo
- Publication number
- CN220875106U CN220875106U CN202322813543.2U CN202322813543U CN220875106U CN 220875106 U CN220875106 U CN 220875106U CN 202322813543 U CN202322813543 U CN 202322813543U CN 220875106 U CN220875106 U CN 220875106U
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- Prior art keywords
- box
- soil
- cavity
- infusion
- nutrition
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- 239000002689 soil Substances 0.000 title claims abstract description 141
- 238000001802 infusion Methods 0.000 title claims abstract description 64
- 235000016709 nutrition Nutrition 0.000 title claims abstract description 59
- 230000035764 nutrition Effects 0.000 title claims abstract description 59
- 238000010438 heat treatment Methods 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 238000003306 harvesting Methods 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract 1
- 235000015097 nutrients Nutrition 0.000 description 27
- 238000007599 discharging Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 239000003864 humus Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- -1 moisture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The utility model provides an infusion device for improving soil nutrition. The infusion device for improving soil nutrition comprises: a planting box; the planting box comprises an infusion box, a planting box and a planting box, wherein the infusion box is arranged above the planting box, a soil cavity and a nutrition cavity are arranged in the infusion box, and the soil cavity is positioned at the advancing side of the nutrition cavity; and the blanking box is fixedly arranged on the infusion box and is correspondingly arranged with the blanking end of the soil cavity. The infusion device for improving soil nutrition has the advantages of improving soil nutrition components, promoting crop growth and improving harvest.
Description
Technical Field
The utility model relates to the technical field of soil nutrition infusion, in particular to an infusion device for improving soil nutrition.
Background
Soil is a loose layer of matter on the earth's surface, which is composed of various granular minerals, organic matter, moisture, air, microorganisms, etc., and can grow plants. Soil is composed of minerals, animals and plants, organic matters generated by decomposition of microorganism residues, soil organisms (solid phase substances), moisture (liquid phase substances), air (gas phase substances), oxidized humus and the like which are formed by rock weathering.
Soil can provide necessary living conditions for crops and is also a fertility foundation for crop growth. When crops are planted in the planting box, soil with proper nutrition is provided first, but the nutrition required by different crops is different, and the common soil cannot contain the nutrition, so that the crops are lack of growth nutrition, and the crop harvest is low.
Accordingly, there is a need to provide a new infusion device for improving soil nutrition that addresses the above-identified problems.
Disclosure of utility model
The utility model provides an infusion device for improving soil nutrition, which aims to solve the technical problems that nutrients required by the growth of crops are lacking in soil and crop harvest is reduced.
The utility model provides an infusion device for improving soil nutrition, comprising: a planting box; the planting box comprises an infusion box, a planting box and a planting box, wherein the infusion box is arranged above the planting box, a soil cavity and a nutrition cavity are arranged in the infusion box, and the soil cavity is positioned at the advancing side of the nutrition cavity; and the blanking box is fixedly arranged on the infusion box and is correspondingly arranged with the blanking end of the soil cavity.
Preferably, a pair of driving cylinders are rotatably installed in the soil cavity, a plurality of rotating plates are fixedly installed on the driving cylinders, an air cavity is formed in the rotating plates, and a plurality of air holes are formed in the rotating plates corresponding to the air cavity.
Preferably, the infusion box is fixedly provided with a driving motor, the output shaft of the driving motor is fixedly provided with two bevel gears meshed with any driving cylinder, one pair of driving cylinders is fixedly provided with chain wheels at one end outside the soil cavity, and the other pair of chain wheels are provided with the same chain.
Preferably, a fan is fixedly arranged at the top of the infusion box, an air inlet pipe is fixedly arranged at the air outlet end of the fan, a heating box is fixedly arranged at the air outlet end of the air inlet pipe, a plurality of heating resistance wires are arranged in the heating box, an air outlet pipe is fixedly arranged at the air outlet end of the heating box, and the air outlet ends of the air outlet pipes are respectively in rotary sealing connection with the air inlet ends of a pair of driving cylinders.
Preferably, a fixed slot is formed in one side of the discharging box, a rotary motor is fixedly installed on the fixed slot, a baffle is fixedly installed on an output rod of the rotary motor, and the baffle can be used for sealing the discharging box.
Preferably, the top fixed mounting that the infusion case is located nutrition chamber one side has agitator motor, fixed mounting has the puddler on agitator motor's the output shaft, the infusion case is located the bottom fixed mounting of nutrition chamber one side has a plurality of shower nozzle.
Preferably, the screen cloth is fixedly arranged at the discharge hole of the soil cavity, the wheel frames are fixedly arranged at the two sides of the infusion box, the hydraulic cylinder is fixedly arranged on the wheel frames, the wheel is fixedly arranged on the output rod of the hydraulic cylinder, and the infusion box is provided with the feed inlets which are respectively arranged corresponding to the soil cavity and the nutrition cavity.
Compared with the related art, the infusion device for improving soil nutrition provided by the utility model has the following beneficial effects:
The utility model provides an infusion device for improving soil nutrition, which comprises:
1. Through the arrangement of the soil cavity at the advancing side of the nutrition cavity, soil can be firstly put into the planting box and then nutrient solution is sprayed, the nutrient solution is conveniently absorbed by the soil to achieve the aim of changing the soil nutrition structure, the rotating plate is driven to rotate through the driving cylinder, the soil in the soil cavity is conveniently crushed into soil particles suitable for planting, and the air cavity arranged in the rotating plate is convenient for air to be discharged from the air hole into the soil cavity;
2. Any driving cylinder is conveniently driven to rotate through a bevel gear on a driving motor, so that a rotating plate rotates to crush soil in a soil cavity, when a sprocket wheel fixed on one end of a pair of driving cylinders conveniently drives any driving cylinder to rotate, the driving motor drives the other driving cylinder to rotate through the transmission of the same chain on the pair of sprockets, a blower fan blows air into a heating box through an air inlet pipe, the blown air is heated in the heating box through a heating resistance wire and then is input into the driving cylinder through an air outlet pipe, and the air is conveniently discharged from an air hole to dry the soil in the soil cavity;
3. Through the fixed slot rotation motor drive baffle that sets up on the unloading case, the opening and shutting of convenient control unloading case is in order to control the emission of soil in the soil chamber, drive epaxial puddler of output through agitator motor and rotate, make things convenient for the nutrition liquid medicine in the intensive stirring nutrition chamber, the even spraying of nutrition liquid medicine in the convenient nutrition chamber is on the soil, screen cloth through soil chamber bottom makes things convenient for broken into the soil that the size is suitable to pass in the soil chamber and falls into the unloading case, the planting of crop is convenient, the absorption of soil to nutrition liquid medicine is also made things convenient for to the finer soil of granule, the pneumatic cylinder makes things convenient for the lifting unloading case highly, conveniently put into soil and spray nutrition liquid medicine in the planting case.
Drawings
FIG. 1 is a schematic front view of a preferred embodiment of an infusion device for soil improvement according to the present utility model;
FIG. 2 is a schematic cross-sectional front view of a preferred embodiment of an infusion device for soil improvement according to the present utility model;
fig. 3 is a schematic side cross-sectional view of the infusion set of the present utility model.
Reference numerals in the drawings: 1. a planting box; 2. an infusion box; 3. a soil chamber; 4. a nutrition chamber; 5. discharging boxes; 6. a drive cylinder; 7. a rotating plate; 8. air holes; 9. a driving motor; 10. a bevel gear; 11. a sprocket; 12. a chain; 13. a blower; 14. an air inlet pipe; 15. a heating box; 16. adding a heat resistance wire; 17. an air outlet pipe; 18. a fixing groove; 19. a rotating motor; 20. a baffle; 21. a stirring motor; 22. a stirring rod; 23. a spray head; 24. a screen; 25. a wheel carrier; 26. and a hydraulic cylinder.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1-3, fig. 1 is a schematic front view illustrating a preferred embodiment of an infusion device for improving soil nutrition according to the present utility model; FIG. 2 is a schematic cross-sectional front view of a preferred embodiment of an infusion device for soil improvement according to the present utility model; fig. 3 is a schematic side cross-sectional view of the infusion set of the present utility model.
An infusion device for improving soil nutrition comprising: a planting box 1; an infusion box 2, wherein the infusion box 2 is arranged above the planting box 1, the infusion box 2 is divided into a soil cavity 3 and a nutrition cavity 4, and the soil cavity 3 is positioned at the advancing side of the nutrition cavity 4; the blanking box 5 is fixedly arranged on the infusion box 2 and is arranged corresponding to the blanking end of the soil cavity 3; through the setting of soil chamber 3 in nutrition chamber 4 marcing one side, can put into soil earlier in planting case 1 and spray the nutrient solution again, the convenience is to the absorption of soil to the nutrient solution in order to reach the mesh of change soil nutrition structure.
A pair of driving cylinders 6 are rotatably arranged in the soil cavity 3, a plurality of rotating plates 7 are fixedly arranged on the driving cylinders 6, an air cavity is formed in the rotating plates 7, and a plurality of air holes 8 are formed in the rotating plates 7 corresponding to the air cavity; the rotary plate 7 is driven to rotate through the driving cylinder 6, so that soil in the soil cavity 3 is conveniently crushed into soil particles suitable for planting, and the air cavity formed in the rotary plate 7 is convenient for discharging air from the air hole 8 into the soil cavity 3.
A driving motor 9 is fixedly arranged on the infusion box 2, two bevel gears 10 meshed with each other are fixedly arranged on the output shaft of the driving motor 9 and any one of the driving cylinders 6, a pair of chain wheels 11 are fixedly arranged at one end, outside the soil cavity 3, of the driving cylinder 6, and the same chain 12 is arranged on the pair of chain wheels 11; any driving cylinder 6 is conveniently driven to rotate through a bevel gear 10 on the driving motor 9, so that the rotating plate 7 rotates to crush soil in the soil cavity 3, and when the chain wheel 11 fixed on one end of the pair of driving cylinders 6 conveniently drives any driving cylinder 6 to rotate, the other driving cylinder 6 is driven to rotate through the transmission of the same chain 12 on the pair of chain wheels 11.
A fan 13 is fixedly arranged at the top of the infusion box 2, an air inlet pipe 14 is fixedly arranged at the air outlet end of the fan 13, a heating box 15 is fixedly arranged at the air outlet end of the air inlet pipe 14, a plurality of heating resistance wires 16 are arranged in the heating box 15, an air outlet pipe 17 is fixedly arranged at the air outlet end of the heating box 15, and the air outlet ends of the air outlet pipes 17 are respectively in rotary sealing connection with the air inlet ends of a pair of driving cylinders 6; the air is blown into the heating box 15 through the air inlet pipe 14 by the fan 13, and the blown air is heated in the heating box 15 through the heating resistance wire 16 and then is input into the driving cylinder 6 through the air outlet pipe 17, so that the air is conveniently discharged from the air hole 8 to dry the soil in the soil cavity 3.
A fixed slot 18 is formed in one side of the discharging box 5, a rotary motor 19 is fixedly installed on the fixed slot 18, a baffle 20 is fixedly installed on an output rod of the rotary motor 19, and the baffle 20 can be used for sealing the discharging box 5; the baffle 20 is driven to rotate by the rotating motor 19 in the fixed groove 18 arranged on the blanking box 5, so that the opening and closing of the blanking box 5 are conveniently controlled to control the discharge of soil in the soil cavity 3.
The top of the infusion box 2, which is positioned at one side of the nutrition cavity 4, is fixedly provided with a stirring motor 21, an output shaft of the stirring motor 21 is fixedly provided with a stirring rod 22, and the bottom of the infusion box 2, which is positioned at one side of the nutrition cavity 4, is fixedly provided with a plurality of spray heads 23; the stirring rod 22 on the output shaft is driven to rotate by the stirring motor 21, so that the nutrient solution in the nutrient cavity 4 is conveniently and fully stirred, and the spray head 23 is convenient for uniformly spraying the nutrient solution in the nutrient cavity 4 onto the soil.
A screen 24 is fixedly arranged at the discharge hole of the soil cavity 3, wheel frames 25 are fixedly arranged at two sides of the infusion box 2, a hydraulic cylinder 26 is fixedly arranged on the wheel frames 25, wheels are fixedly arranged on the output rod of the hydraulic cylinder 26, and the infusion box 2 is provided with feed inlets which are respectively arranged corresponding to the soil cavity 3 and the nutrition cavity 4; through the screen cloth 24 of soil chamber 3 bottom, make things convenient for broken into the soil that the size is suitable to pass in the soil chamber 3 and fall into unloading case 5, make things convenient for the planting of crop, the absorption of soil to the nutrient solution is also made things convenient for to the finer soil of granule, the hydraulic cylinder 26 makes things convenient for the height of lifting unloading case 5, conveniently put into soil and spray the nutrient solution to planting case 1.
It should be noted that, in the present utility model, the circuits, electronic components and modules are all related to the prior art, and those skilled in the art may implement the present utility model completely, and it is needless to say that the protection of the present utility model does not relate to improvement of software and methods.
The working principle of the infusion device for improving soil nutrition provided by the utility model is as follows:
The scheme is also provided with an electric control cabinet, the electric control cabinet is arranged on the equipment, when the electric control cabinet is used, each electric equipment can be started to operate respectively, the power connection mode of each electric equipment is the prior mature technology, is a well-known technology of the person in the field, and is not redundant;
When the device is used, soil is added into the soil cavity 3 from a feed inlet of the soil cavity 3, the driving motor 9 is opened, the bevel gear 10 on the output shaft of the driving motor 9 drives the driving cylinder 6 to rotate, so that the rotating plate 7 is driven to rotate to crush the soil added into the soil cavity 3, when the soil is higher in humidity and higher in viscosity, the fan 13 can be opened, the fan 13 supplies air into the heating box 15 through the air inlet pipe 14, the air flow sent into the heating box 15 is heated through the heating wire 16 and continuously flows out from the air outlet end of the heating box 15, is sent into the driving cylinder 6 through the air outlet pipe 17 and then is flushed into the air cavity in the rotating plate 7, is discharged into the soil cavity 3 from the air hole 8, and is dried while the rotating plate 7 rotates the crushed soil, so that the crushed soil is convenient to crush operation, and the crushed soil can fall into the blanking box 5 through the screen 24 at the bottom of the soil cavity 3;
Adding soil into the soil cavity 3 and simultaneously adding nutrient components and water required by cultivated crops into the nutrient cavity 4, and then turning on the stirring motor 21 to enable the stirring rod 22 on the output shaft of the stirring motor 21 to start rotating so as to fully mix the nutrient components and water in the nutrient cavity 4;
When the soil in the soil cavity 3 is crushed and the nutrient solution in the nutrient cavity 4 is uniformly mixed, the hydraulic cylinder 26 is opened before the device is pushed to the planting box 1 to be planted, the extending length of the output rod of the hydraulic cylinder 26 is adjusted according to the height of the planting box 1, so that the distance between the blanking box 5 and the planting box 1 is adjusted, the device is pushed to the planting box 1 after the adjustment is finished, the rotating motor 19 is opened, the rotating motor 19 drives the baffle 20 on the output shaft to rotate to open the blanking box 5, the soil in the soil cavity 3 can smoothly fall into the planting box 1 through the blanking box 5, the spray head 23 at the bottom of the infusion box 2 is opened while the device is pushed, and the nutrient solution in the nutrient cavity 4 is uniformly sprayed to the soil which is discharged from the soil cavity 3 in the planting box 1 and is crushed into the proper size.
Compared with the related art, the infusion device for improving soil nutrition provided by the utility model has the following beneficial effects:
The utility model provides an infusion device for improving soil nutrition, which is characterized in that soil is firstly put into a planting box 1 through the arrangement of a soil cavity 3 at the advancing side of a nutrition cavity 4, then nutrient solution is sprayed, the nutrient solution is conveniently absorbed by the soil to achieve the aim of changing the soil nutrition structure, a rotating plate 7 is driven to rotate through a driving cylinder 6, the soil in the soil cavity 3 is conveniently crushed into soil particles suitable for planting, an air cavity arranged in the rotating plate 7 is convenient for air to be discharged into the soil cavity 3 from an air hole 8, any driving cylinder 6 is conveniently driven to rotate through a bevel gear 10 on a driving motor 9, so that the rotating plate 7 rotates to crush the soil in the soil cavity 3, a chain wheel 11 fixed at one end of a pair of driving cylinders 6 conveniently drives any driving cylinder 6 to rotate through the transmission of the same chain 12 on the chain wheel 11, the blower 13 blows air into the heating box 15 through the air inlet pipe 14, the blown air is heated in the heating box 15 through the heating resistance wire 16 and then is input into the driving cylinder 6 through the air outlet pipe 17, the air is conveniently discharged from the air hole 8 to dry the soil in the soil cavity 3, the baffle 20 is conveniently controlled to rotate by rotating the motor 19 in the fixed groove 18 arranged on the blanking box 5, the opening and closing of the blanking box 5 are conveniently controlled to control the discharge of the soil in the soil cavity 3, the stirring motor 21 drives the stirring rod 22 on the output shaft to rotate, the nutrient solution in the nutrient cavity 4 is conveniently and fully stirred, the spray head 23 is convenient for uniformly spraying the nutrient solution in the nutrient cavity 4 onto the soil, the screen 24 at the bottom of the soil cavity 3 is convenient for the soil cavity 3 to be crushed into the soil with proper size to pass through the blanking box 5, the planting of crops is convenient, the thinner soil is also convenient for the absorption of the nutrient solution, the hydraulic cylinder 26 is convenient to lift the height of the blanking box 5, and is convenient to put soil into the planting box 1 and spray nutrient solution.
The device structure and the drawings of the present utility model mainly describe the principle of the present utility model, and in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, but the specific details of the power mechanism, the power supply system, and the control system thereof can be clearly known on the premise that those skilled in the art understand the principle of the present utility model.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. An infusion device for improving soil nutrition, comprising:
A planting box;
The planting box comprises an infusion box, a planting box and a planting box, wherein the infusion box is arranged above the planting box, a soil cavity and a nutrition cavity are arranged in the infusion box, and the soil cavity is positioned at the advancing side of the nutrition cavity;
And the blanking box is fixedly arranged on the infusion box and is correspondingly arranged with the blanking end of the soil cavity.
2. The infusion device for improving soil nutrition according to claim 1, wherein a pair of driving cylinders are rotatably installed in the soil cavity, a plurality of rotating plates are fixedly installed on the driving cylinders, an air cavity is formed in each rotating plate, and a plurality of air holes are formed in each rotating plate corresponding to the air cavity.
3. An infusion device for improving soil nutrition according to claim 2, wherein a driving motor is fixedly installed on the infusion box, two bevel gears meshed with each other are fixedly installed on an output shaft of the driving motor and any one of the driving cylinders, a pair of chain wheels are fixedly installed at one end of the driving cylinders located outside the soil cavity, and the same chain is arranged on the pair of chain wheels.
4. The infusion device for improving soil nutrition according to claim 2, wherein a fan is fixedly installed at the top of the infusion box, an air inlet pipe is fixedly installed at the air outlet end of the fan, a heating box is fixedly installed at the air outlet end of the air inlet pipe, a plurality of heating resistance wires are arranged in the heating box, an air outlet pipe is fixedly installed at the air outlet end of the heating box, and the air outlet ends of the air outlet pipes are respectively in rotary sealing connection with the air inlet ends of a pair of driving cylinders.
5. The infusion device for improving soil nutrition according to claim 1, wherein a fixing groove is formed in one side of the blanking box, a rotating motor is fixedly installed on the fixing groove, a baffle is fixedly installed on an output rod of the rotating motor, and the baffle can be used for sealing the blanking box.
6. The device for improving soil nutrition according to claim 1, wherein the top of the infusion box at one side of the nutrition chamber is fixedly provided with a stirring motor, the output shaft of the stirring motor is fixedly provided with a stirring rod, and the bottom of the infusion box at one side of the nutrition chamber is fixedly provided with a plurality of spray heads.
7. The infusion device for improving soil nutrition according to claim 1, wherein a screen is fixedly installed at a discharge hole of the soil cavity, wheel frames are fixedly installed at two sides of the infusion box, a hydraulic cylinder is fixedly installed on the wheel frames, wheels are fixedly installed on an output rod of the hydraulic cylinder, and feed inlets which are respectively arranged corresponding to the soil cavity and the nutrition cavity are formed in the infusion box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322813543.2U CN220875106U (en) | 2023-10-20 | 2023-10-20 | Infusion device for improving soil nutrition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322813543.2U CN220875106U (en) | 2023-10-20 | 2023-10-20 | Infusion device for improving soil nutrition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220875106U true CN220875106U (en) | 2024-05-03 |
Family
ID=90875760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322813543.2U Active CN220875106U (en) | 2023-10-20 | 2023-10-20 | Infusion device for improving soil nutrition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220875106U (en) |
-
2023
- 2023-10-20 CN CN202322813543.2U patent/CN220875106U/en active Active
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