CN217308797U - Outdoor mariculture tail water ecological remediation experimental apparatus - Google Patents
Outdoor mariculture tail water ecological remediation experimental apparatus Download PDFInfo
- Publication number
- CN217308797U CN217308797U CN202220763167.3U CN202220763167U CN217308797U CN 217308797 U CN217308797 U CN 217308797U CN 202220763167 U CN202220763167 U CN 202220763167U CN 217308797 U CN217308797 U CN 217308797U
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- Prior art keywords
- support rod
- main
- supporting leg
- sliding sleeve
- tent
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000009364 mariculture Methods 0.000 title claims abstract description 15
- 238000005067 remediation Methods 0.000 title abstract description 7
- 238000005273 aeration Methods 0.000 claims description 5
- 238000007667 floating Methods 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract description 26
- 239000013535 sea water Substances 0.000 abstract description 8
- 125000006850 spacer group Chemical group 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 238000011160 research Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 238000009360 aquaculture Methods 0.000 description 3
- 244000144974 aquaculture Species 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000012258 culturing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000001595 contractor effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- 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
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model particularly relates to an outdoor mariculture tail water ecological remediation experimental apparatus, device from the top down includes tent, second grade bracing piece spacer pin, main tributary vaulting pole, spacing bolt, stop nut, sliding sleeve, 4 main tributary supporting legs, 4 second grade supporting legs, second grade supporting leg spacer pin, bracing piece axis of rotation, link, support frame upper portion axis of rotation, support frame lower part axis of rotation, tent string knot, experiment pond, ground mat in proper order. The invention has the advantages of simple installation, convenient transportation, low cost, small occupied space, strong operability and the like, and is suitable for scientific experiments of carrying out the research on the seawater culture tail water ecological restoration technology on the seawater culture site.
Description
Technical Field
The utility model relates to an outdoor mariculture tail water ecological remediation experimental apparatus.
Background
In recent years, ecological restoration technology has been widely applied in the field of fresh water pollution treatment, while the physical and chemical conditions in seawater environment are complex and changeable, and the application difficulty is higher. At present, the coastal areas of China strictly implement the control requirements of the beach planning of the aquaculture water areas and the ecological protection red line, etc., research and make the pollution prevention and control scheme of the marine aquaculture, and increase the research and development investment of the tail water pollution remediation technology of the marine aquaculture. The mariculture tail water ecological restoration technology becomes a research hotspot because of the advantages of both economic benefit and ecological benefit, and a large number of verification experiments are required for ensuring the feasibility of the ecological restoration technology. The main pollutants in the seawater culture tail water are nutritive salt and organic matters, natural conditions such as air temperature, illumination, humidity, wind speed and wind direction and the like are comprehensively considered to have certain influence on the experimental effect, and the experiment environment is difficult to regulate and control in an indoor laboratory, so that the field simulation experiment is especially necessary to be developed outdoors. The invention relates to an experimental device designed aiming at the field simulation of the seawater culture tail water ecological restoration technology, and has the advantages of simple installation, convenient transportation, low cost, small occupied space, strong operability and the like. The ecological restoration experiment can be carried out in various mariculture places at any time and any place, and the requirements of experiment environment can be met, so that the method is worthy of wide popularization and application.
SUMMERY OF THE UTILITY MODEL
In order to achieve the above object, the utility model adopts the following technical scheme:
an outdoor mariculture tail water ecological restoration experimental device sequentially comprises a tent, a secondary supporting rod limiting pin, a main supporting rod, a limiting bolt, a limiting nut, a sliding sleeve, 4 main supporting legs, 4 secondary supporting legs, a secondary supporting leg limiting pin, a supporting rod rotating shaft, a hanging ring, a supporting frame upper portion rotating shaft, a supporting frame lower portion rotating shaft, a tent hanging buckle, an experimental pond and a ground mat from top to bottom;
four holes are uniformly formed in the side wall of the main support rod, a secondary support rod is arranged at the upper end of the main support rod, and the pipe diameter of the main support rod is larger than that of the secondary support rod; the side wall of the secondary support rod is also provided with a hole for placing a secondary support rod limiting pin which can be pressed and pulled out, and the secondary support rod limiting pin is matched with the main support rod and the hole on the secondary support rod to be inserted and pulled out so as to realize the extension and retraction of the secondary support rod;
a limiting hole is formed in the side wall of the main support rod, and a sliding sleeve is arranged on the outer wall of the lower end of the main support rod; the pipe diameter of the sliding sleeve is larger than that of the main support rod, a limiting hole is further formed in the side wall of the sliding sleeve, and after the limiting hole of the main support rod is overlapped with the limiting hole of the wall of the sliding sleeve, a limiting bolt and a limiting nut are inserted to achieve the stretching of the sliding sleeve on the main support rod;
the side wall of the bottom end of the sliding sleeve is also symmetrically provided with four supporting rod rotating shafts, and the 4 main supporting legs are symmetrically connected to the sliding sleeve through the supporting rod rotating shafts; four holes are uniformly formed in the side walls of the main supporting legs, and a supporting frame lower rotating shaft is arranged at the same position of the side wall of each main supporting leg;
four upper support frame rotating shafts are symmetrically arranged on the wall of the sliding sleeve, a support frame is connected between the upper support frame rotating shaft and the lower support frame rotating shaft, and the support frame, the sliding sleeve and the main support leg form a triangular structure;
the outer walls of the main supporting legs are also sleeved with secondary supporting legs, and the pipe diameters of the secondary supporting legs are larger than those of the main supporting legs; one end of each secondary supporting leg is provided with a hanging ring, the side wall of each secondary supporting leg is also provided with a hole for placing a secondary supporting leg limiting pin which can be pressed and pulled out, the size of the hole in the main supporting leg is consistent with that of the secondary supporting leg limiting pin, and the secondary supporting leg limiting pin is inserted into or pulled out of the holes of the main supporting leg and the secondary supporting leg to realize the extension and retraction of the secondary supporting leg on the main supporting leg;
the center of the tent is fixed on the secondary supporting rod, the ends of the four corners of the tent are respectively provided with tent hanging buckles, the tent hanging buckles can be hung on hanging rings, and the tent is made of canvas or oxford;
the 4 main supporting legs are respectively fixed on the ground cushion; holes are respectively arranged on the positions, corresponding to the secondary supporting leg limiting pin and the main supporting leg hole, on the floor mat, so that the secondary supporting leg limiting pin can be normally used; the experimental pond is symmetrically placed on the ground mat, and the ground mat is made of canvas or oxford.
In the above technical scheme, further, an observation window is provided on the wall of the experiment tank, and the observation window is provided with scale lines and scale values.
In the technical scheme, further, an aeration device, a water purification device, a floating island device and one or more devices with online water quality multi-parameters are arranged in the experimental pond.
In the above technical solution, further, the number of the experimental pools is 4.
Among the above-mentioned technical scheme, further, second grade bracing piece spacer pin, main tributary vaulting pole, spacing bolt, stop nut, sliding sleeve, 4 main tributary supporting legs, 4 second grade supporting legs, second grade supporting leg spacer pin, bracing piece axis of rotation, link, support frame upper portion axis of rotation, support frame lower part axis of rotation, tent are hung and are detained and are stainless steel or aluminum alloy.
In the above technical solution, further, the experiment tank is made of plastic.
The utility model has the advantages that:
1. according to the method, the influence of natural conditions such as air temperature, illumination, humidity, wind speed and wind direction and the like near a culturing farm on the ecological restoration experiment of the tail water of the marine culture cannot be ignored, the condition of the marine culture is simple and crude, a stable experiment site cannot be provided, and the regulation and control of the simulated field environment in an indoor laboratory are difficult, so that the field experiment can be carried out by arranging the experiment device in the culturing farm. When meeting with extreme weather or getting rid of the influence of external source weather according to experimental design needs, can strut the tent, utilize retaining experiment pond self gravity to keep experimental apparatus stable, single set of experimental apparatus can guarantee to develop contrast experiment and parallel experiment simultaneously, through addding experimental apparatus such as aeration equipment, purifier, chinampa device and online quality of water multiparameter by oneself, can satisfy different animal and plant ecological remediation experiment demands.
2. The invention has the advantages of simple installation, convenient transportation, low cost, small occupied space, strong operability and the like. The invention is suitable for scientific experiments for researching the ecological restoration technology of the tail water of the seawater culture on the seawater culture site.
Drawings
FIG. 1 is a front view of the apparatus of the present invention;
FIG. 2 is a right side view of the apparatus of the present invention;
FIG. 3 is a top view of the apparatus of the present invention;
fig. 4 is a view showing the effect of the tent retraction;
fig. 5 is a view showing an opening effect of the tent;
FIG. 6 is a view of the base of the apparatus of the present invention;
FIG. 7 is a view of the base telescoping support;
FIG. 8 is a view of the telescopic support rod;
FIG. 9 is a drawing showing the effect of stent contraction;
FIG. 10 is a diagram of an experimental cell;
FIG. 11 is a view of the four corner fastener of the tent;
in the figure, 1, a main support rod, 2, a secondary support rod, 3, a secondary support rod limiting pin, 4, a main support leg, 5, a secondary support leg, 6, a secondary support leg limiting pin, 7, a support rod rotating shaft, 8, a hanging ring, 9, a support frame, 10, a sliding sleeve, 11, a support frame upper rotating shaft, 12, a limiting bolt, 13, a limiting nut, 14, a support frame lower rotating shaft, 15, a tent, 16, a tent hanging buckle, 17, an experimental pond, 18, an observation window and 19 are ground mats.
Detailed Description
The invention is further illustrated but is not in any way limited by the following specific examples.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in figure 1, an outdoor mariculture tail water ecological remediation experimental apparatus comprises a tent 15, a second-level supporting rod 2, a second-level supporting rod limiting pin 3, a main supporting rod 1, a limiting bolt 12, a limiting nut 13, a sliding sleeve 10, 4 main supporting legs 4, 4 second-level supporting legs 5, a second-level supporting leg limiting pin 6, a supporting rod rotating shaft 7, a hanging ring 8, a supporting frame 9, a supporting frame upper portion rotating shaft 11, a supporting frame lower portion rotating shaft 14, a tent hanging buckle 16, an experimental pond 17 and a ground mat 19 from top to bottom in sequence. Second grade bracing piece, second grade bracing piece spacer pin, main tributary vaulting pole, spacing bolt, stop nut, slip sleeve, 4 main tributary supporting legs, 4 second grade supporting legs, second grade supporting leg spacer pin, bracing piece axis of rotation, link, support frame upper portion axis of rotation, support frame lower part axis of rotation, tent are hung and detain and are stainless steel or aluminum alloy.
As shown in fig. 2, four holes are uniformly formed in the side wall of the main support rod 1, as shown in fig. 8, a secondary support rod 2 is arranged at the upper end of the main support rod 1, and the pipe diameter of the main support rod is larger than that of the secondary support rod; the side wall of the secondary support rod is also provided with a hole for placing a secondary support rod limiting pin 3 which can be pressed and pulled out, the secondary support rod limiting pin 3 is matched with the holes on the main support rod 1 and the secondary support rod 2 to be inserted and pulled out to realize the extension and retraction of the secondary support rod, and fig. 9 is a drawing showing the contraction effect of the device.
As shown in fig. 6, a limit hole is formed on the side wall of the main support rod 1, and a sliding sleeve 10 is arranged on the outer wall of the lower end of the main support rod; the pipe diameter of the sliding sleeve 10 is larger than that of the main support rod 1, a limiting hole is further formed in the side wall of the sliding sleeve 10, and after the limiting hole of the main support rod is overlapped with the limiting hole of the wall of the sliding sleeve, a limiting bolt 12 and a limiting nut 13 are inserted to achieve the stretching of the sliding sleeve on the main support rod;
the side wall of the bottom end of the sliding sleeve 10 is also symmetrically provided with four supporting rod rotating shafts 7, and the 4 main supporting legs are symmetrically connected to the sliding sleeve 10 through the supporting rod rotating shafts 7; four holes are uniformly formed in the side wall of the main supporting leg 4, and a supporting frame lower rotating shaft 14 is further arranged at the same position of the side wall of each main supporting leg 4;
four support frame upper rotating shafts 11 are symmetrically arranged on the pipe wall of the sliding sleeve 10, a support frame 9 is connected between the support frame upper rotating shaft 11 and the support frame lower rotating shaft 14, and the support frame 9, the sliding sleeve 10 and the main support leg 4 form a triangular structure;
as shown in fig. 7, the outer wall of the main supporting leg 4 is also sleeved with a secondary supporting leg 5, and the pipe diameter of the secondary supporting leg 5 is larger than that of the main supporting leg 4; one end of each secondary supporting leg 5 is provided with a hanging ring, the side wall of each secondary supporting leg 5 is also provided with a hole for placing a secondary supporting leg limiting pin which can be pressed and pulled out, the size of the hole on the main supporting leg 4 is consistent with that of the secondary supporting leg limiting pin 6, and the secondary supporting leg limiting pin 6 is inserted into or pulled out of the holes of the main supporting leg and the secondary supporting leg to realize the extension and retraction of the secondary supporting leg on the main supporting leg;
as shown in fig. 4, the center of the tent 15 is fixed on the secondary supporting rod, as shown in fig. 11, the four corners of the tent are respectively provided with tent hanging buckles 16, the tent hanging buckles can be hung on hanging rings, the material of the tent is canvas or oxford, and fig. 5 is an opening effect diagram of the tent.
As shown in FIG. 4, 4 main support legs are respectively fixed to the floor mat 19; holes are respectively arranged on the ground mat 19 corresponding to the secondary support leg limiting pin and the main support leg hole, so that the secondary support leg limiting pin can be normally used; the 4 experimental ponds 17 are symmetrically arranged on a ground mat which is made of canvas or oxford. An aeration device, a water purification device, a floating island device and one or more devices with online water quality multi-parameters are arranged in the experimental tank 17. As shown in fig. 10, the wall of the experiment pool is provided with an observation window 18, the observation window 18 is provided with scale lines and scale values, the experiment pool is made of plastic, and fig. 3 is a top view of the experiment pool.
The use method of the device comprises the following steps: a region with flat terrain is selected at the periphery of the farm for placing an experimental device. Firstly, place ground with the support, with sliding sleeve move down 4 main tributary supporting legs and main tributary vaulting pole be the vertical state, insert spacing bolt, screw limit nut, main tributary supporting leg, support frame and main tributary vaulting pole constitute right angled triangle this moment, the structure is more firm, the ground mat also tiles on ground simultaneously. Then, press the secondary supporting leg spacer pin, extract the secondary supporting leg to suitable length in proper order, press the secondary bracing piece spacer pin, extract the secondary bracing piece to suitable height to draw in the tent winding in on the secondary bracing piece for subsequent use. And finally, placing the 4 experimental ponds at proper positions on a ground mat, filling culture water according to an experimental plan until the culture water volume reaches the experimental requirements through an observation window on the experimental pond. The weight of 4 experimental pools after water injection can completely press the ground mat, so that the stability of the bracket is kept. At the moment, if no weather exists, the experimental device can be automatically provided with an aeration device, a water purification device, a floating island device, an on-line water quality multi-parameter experimental device and other experimental devices and can continuously carry out the mariculture tail water ecological restoration experiment; if meet wind and rain weather, only need untie the tent from the second grade support post, hang 4 tents respectively and detain the link straining with the second grade support leg top, play the effect that hides wind and rain, avoid exogenous rainwater to disturb, guarantee that the experiment lasts smoothly. After the wind and rain are finished, the tent is dried, and the tent can be wound and furled on the secondary supporting rod for later use. The tent can be opened or folded according to the weather condition during the later experiment.
When the seawater culture tail water ecological restoration experiment is completely finished, firstly, the culture water in the experiment pool is emptied, and the experiment pool is moved away from the ground mat. And then pressing a limiting pin of the secondary supporting rod to completely recover the secondary supporting rod, and pressing a limiting pin of the secondary supporting leg to completely recover the secondary supporting leg. And finally, unscrewing a limit nut, pulling out a limit bolt, moving the sliding sleeve up to the top of the main support rod, and completely folding and retracting the support.
The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (6)
1. An outdoor mariculture tail water ecological restoration experimental device is characterized by comprising a tent, a secondary supporting rod limiting pin, a main supporting rod, a limiting bolt, a limiting nut, a sliding sleeve, 4 main supporting legs, 4 secondary supporting legs, a secondary supporting leg limiting pin, a supporting rod rotating shaft, a hanging ring, a supporting frame upper portion rotating shaft, a supporting frame lower portion rotating shaft, a tent hanging buckle, an experimental pond and a ground mat in sequence from top to bottom;
four holes are uniformly formed in the side wall of the main support rod, a secondary support rod is arranged at the upper end of the main support rod, and the pipe diameter of the main support rod is larger than that of the secondary support rod; the side wall of the secondary support rod is also provided with a hole for placing a secondary support rod limiting pin which can be pressed and pulled out, and the secondary support rod limiting pin is matched with the main support rod and the hole on the secondary support rod to be inserted and pulled out so as to realize the extension and retraction of the secondary support rod;
a limiting hole is formed in the side wall of the main support rod, and a sliding sleeve is arranged on the outer wall of the lower end of the main support rod; the pipe diameter of the sliding sleeve is larger than that of the main support rod, a limiting hole is further formed in the side wall of the sliding sleeve, and after the limiting hole of the main support rod is overlapped with the limiting hole of the wall of the sliding sleeve, a limiting bolt and a limiting nut are inserted to achieve the stretching of the sliding sleeve on the main support rod;
the side wall of the bottom end of the sliding sleeve is also symmetrically provided with four supporting rod rotating shafts, and the 4 main supporting legs are symmetrically connected to the sliding sleeve through the supporting rod rotating shafts; four holes are uniformly formed in the side walls of the main supporting legs, and a supporting frame lower rotating shaft is arranged at the same position of the side wall of each main supporting leg;
four upper support frame rotating shafts are symmetrically arranged on the wall of the sliding sleeve, a support frame is connected between the upper support frame rotating shaft and the lower support frame rotating shaft, and the support frame, the sliding sleeve and the main support leg form a triangular structure;
the outer walls of the main supporting legs are also sleeved with secondary supporting legs, and the pipe diameters of the secondary supporting legs are larger than those of the main supporting legs; one end of each secondary supporting leg is provided with a hanging ring, the side wall of each secondary supporting leg is also provided with a hole for placing a secondary supporting leg limiting pin which can be pressed and pulled out, the size of the hole in the main supporting leg is consistent with that of the secondary supporting leg limiting pin, and the secondary supporting leg limiting pin is inserted into or pulled out of the holes of the main supporting leg and the secondary supporting leg to realize the extension and retraction of the secondary supporting leg on the main supporting leg;
the center of the tent is fixed on the secondary supporting rod, the ends of the four corners of the tent are respectively provided with tent hanging buckles, the tent hanging buckles can be hung on hanging rings, and the tent is made of canvas or oxford;
the 4 main supporting legs are respectively fixed on the ground cushion; holes are respectively arranged on the positions, corresponding to the secondary supporting leg limiting pin and the main supporting leg hole, on the floor mat, so that the secondary supporting leg limiting pin can be normally used; the experimental pond is symmetrically placed on the ground mat, and the ground mat is made of canvas or oxford.
2. The outdoor mariculture tail water ecological restoration experimental device according to claim 1, wherein an observation window is formed in the wall of the experimental tank, and scale lines and scale values are arranged on the observation window.
3. The outdoor mariculture tail water ecological restoration experimental device according to claim 1, wherein an aeration device, a water purification device, a floating island device and an on-line multi-parameter device or a plurality of devices for water quality are arranged in the experimental pond.
4. The outdoor mariculture tail water ecological restoration experimental device according to claim 1, wherein the number of the experimental ponds is 4.
5. The outdoor mariculture tail water ecological restoration experimental device according to claim 1, wherein the secondary support rod, the secondary support rod limit pin, the main support rod, the limit bolt, the limit nut, the sliding sleeve, the 4 main support legs, the 4 secondary support legs, the secondary support leg limit pin, the support rod rotating shaft, the hanging ring, the support frame upper rotating shaft, the support frame lower rotating shaft and the tent hanging buckle are all made of stainless steel or aluminum alloy.
6. The outdoor mariculture tail water ecological restoration experimental device according to claim 1, wherein the experimental pond is made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220763167.3U CN217308797U (en) | 2022-04-02 | 2022-04-02 | Outdoor mariculture tail water ecological remediation experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220763167.3U CN217308797U (en) | 2022-04-02 | 2022-04-02 | Outdoor mariculture tail water ecological remediation experimental apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217308797U true CN217308797U (en) | 2022-08-30 |
Family
ID=83002612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220763167.3U Expired - Fee Related CN217308797U (en) | 2022-04-02 | 2022-04-02 | Outdoor mariculture tail water ecological remediation experimental apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217308797U (en) |
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2022
- 2022-04-02 CN CN202220763167.3U patent/CN217308797U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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Granted publication date: 20220830 |