CN208242213U - A kind of rich water filtration irrigation device - Google Patents
A kind of rich water filtration irrigation device Download PDFInfo
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- CN208242213U CN208242213U CN201820738926.4U CN201820738926U CN208242213U CN 208242213 U CN208242213 U CN 208242213U CN 201820738926 U CN201820738926 U CN 201820738926U CN 208242213 U CN208242213 U CN 208242213U
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Abstract
The utility model discloses a kind of rich water filtration irrigation devices, are related to irrigation rig field.The utility model includes rich water system and infiltrating irrigation system, the infiltrating irrigation system includes water system, the infiltrating irrigation pipe network that is connect with water system and the filtration irrigation device for being located at infiltrating irrigation pipe network end, the rich water system is connected in parallel on the pipeline between water system and infiltrating irrigation pipe network, the infiltrating irrigation pipe network and filtration irrigation device are embedded in soil, the filtration irrigation device includes water tank, it is located at the water inlet of water tank internal upper part, it is located at the infiltrating irrigation hole on water tank bottom surface, and it is located at the water inlet valve in water tank, the water inlet valve includes the lever that middle part is hinged on water tank, it is located at the water inlet sprue of lever one end, and it is located at lever other end clump weight.The utility model solves the problems, such as infiltrating irrigation Partial Blocking.
Description
Technical field
The utility model relates to irrigation rig field, especially a kind of manuring irrigation device.
Background technique
Infiltrating irrigation is the new and effective sub-irrigation technology of one kind after sprinkling irrigation, trickle irrigation, it is will to have uniform micro
Infiltrating irrigation pipe be embedded in crop root zone, using hole small on infiltrating irrigation tube wall, under lower pressure effect, make water by pipe introversion
Pipe is outer to ooze out in a manner of " sweating ", spreads in the water sorption of the capillary by tube wall surrounding soil to the soil body, reaches company
Continue and supply water to crop root layer, so that the overall process for implementing Crop growing stage is irrigated, which has water-saving rate height, seeps without evaporation
Leakage loss loses, do not cause earth's surface is hardened, inhibit weed growth, convenient for ground farming and cultivation management the characteristics of, be a kind of ideal
High-efficiency water-saving technology.The U.S., Israel etc. occupy first place in the world in infiltration irrigation technology research, and China has still belonged to step
Section, some key technologies are solved very well not yet, such as the blockage problem of infiltrating irrigation part.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of manuring irrigation device, the utility model solves infiltration
The problem of filling Partial Blocking.
In order to solve the above technical problems, technical solution adopted in the utility model is: a kind of rich water filtration irrigation device, it is special
Sign is: including rich water system and infiltrating irrigation system, the infiltrating irrigation system includes water system, the infiltrating irrigation pipe connecting with water system
Net and the filtration irrigation device for being located at infiltrating irrigation pipe network end, the rich water system are connected in parallel on the pipeline between water system and infiltrating irrigation pipe network
On, the infiltrating irrigation pipe network and filtration irrigation device are embedded in soil, and the filtration irrigation device includes water tank, are located at the water inlet of water tank internal upper part
Mouthful, it is located at the infiltrating irrigation hole on water tank bottom surface, and the water inlet valve being located in water tank, the water inlet valve includes middle part hinge
The lever on water tank is connect, the water inlet sprue of lever one end is located at, and is located at lever other end clump weight.
A further technical solution lies in the rich water system includes rich water water inlet pipe, and rich water pond is located at rich water bottom of pond portion
Rich water discharge tube, rich water outlet pipe and the rich water being located on rich water outlet pipe pumps, the arrival end connection of the rich water water inlet pipe
On the pipeline in water system downstream, outlet end is extend into rich water pond from the bottom on the left of rich water pond, the rich water water outlet
The arrival end of pipe extend into rich water bottom of pond portion from the center of rich water pond top surface, and the port that outlet end and infiltrating irrigation pipe are swum on the net connects
It connects.
Further technical solution also resides in, and the rich water water inlet pipe is equipped with Water filling valve, and rich water water inlet pipe
Outlet end is additionally provided with cyclic annular outlet pipe, and the ring-type outlet pipe includes the loop pipe of rectangular ring and evenly spaced is located at ring-type
Apopore at the top and bottom of pipe, the arrival end of the rich water outlet pipe are located at the center of loop pipe.
Further technical solution also resides in, and the first strainer, rich water pump, rich water valve are successively arranged on the rich water outlet pipe
Door, compressed air inlet port.
Further technical solution also resides in, and the water system includes the well pump being located in well, and successively with well
The second strainer, the start and stop valve, non-return valve of connection are pumped, the non-return valve is connect by pipeline with infiltrating irrigation pipe network.
Further technical solution also resides in, and the water system is equipped with drainage system, and the drainage system includes termination of pumping
It discharges water and part and finally discharges water part, the termination of pumping drainage part point includes that termination of pumping discharges water and pipeline and is located at termination of pumping discharge tube road
Termination of pumping Draw off valve, discharge water one end of pipeline of the termination of pumping is connected on the pipeline between the second strainer and start and stop valve, another
End is connected with well, and the last drainage part point includes pipeline and the last discharging valve that is located at last discharge tube road of finally discharging water
Door, the piping connection between one end and water system and infiltrating irrigation pipe network of the pipeline that finally discharges water, the other end are connect with well.
Further technical solution also resides in, and the infiltrating irrigation pipe network includes the first transverse tube, spaced with the first transverse tube
Second transverse tube, and the first longitudinal tubule (L tubule), connecting tube and the second longitudinal tubule (L tubule) that are all connected between the first transverse tube and the second transverse tube, described first
One end of transverse tube is connect with water system, other end spare interface, and one end of second transverse tube blocks, and the other end is reserved to be connect
Mouthful, first longitudinal tubule (L tubule) and the second longitudinal tubule (L tubule) are respectively connected with filtration irrigation device.
Further technical solution also resides in, and the both ends of first longitudinal tubule (L tubule) are connected to the top and the of the first transverse tube
The top of two transverse tubes, the both ends of the connecting tube are connected to the bottom of the first transverse tube and the bottom of the second transverse tube, and described
The both ends of two longitudinal tubule (L tubule)s are connected to the top of the first transverse tube and the top of the second transverse tube, the connecting tube be located at the first longitudinal tubule (L tubule) and
Between second longitudinal tubule (L tubule).
Further technical solution also resides in, and the side of first longitudinal tubule (L tubule) is connected with shut-off valve, needle valve and pressure in turn
Power table.
Further technical solution also resides in, and the end of first transverse tube or the end of the second transverse tube are equipped with vent valve
Door.
Further technical solution also resides in, and first transverse tube or the second transverse tube are equipped with pipeline pump.
Further technical solution also resides in, and the front end of first transverse tube and the second transverse tube is equipped with process valve.
The beneficial effects of adopting the technical scheme are that all valves are in pipeline in the utility model
On continuously set there are two, increase its reliability；The outlet end of rich water water inlet pipe is additionally provided with cyclic annular outlet pipe, water can be made in ring-type
It is flowed out in the hole in tube top portion and the hole of bottom, preferably dissolves the water soluble fertilizer in rich water pond；In the compression of rich water outlet pipe
Air inlet is filled with compressed air, that is, increases the content of nitrogen and oxygen in rich water, in the pipe network also increased to a certain extent
The pressure of water；Drainage system includes that termination of pumping discharges water partially with the part that finally discharges water, and is made remaining in water system and infiltrating irrigation system
Water can discharge completely；Rich water discharge tube can discharge the water in rich water pond clean；The end of first transverse tube and the second transverse tube
End be equipped with spare interface, multiple infiltrating irrigation pipe networks can be combined；The end of first transverse tube or the second transverse tube
End is equipped with deflation valve, and air extra in infiltrating irrigation pipe network can be discharged；First transverse tube or the second transverse tube are equipped with pipeline pump,
Each section in infiltrating irrigation tank net of pressure can be made more balanced, avoid the too small influence infiltrating irrigation effect of terminal pressure；The side of first longitudinal tubule (L tubule) according to
It is secondary to be connected with shut-off valve, needle valve and pressure gauge, the pressure of each section is detected when installing and test for the first time for whole device.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the structure principle chart of water system；
Fig. 2 is the structure principle chart of rich water system；
Fig. 3 is the structure principle chart of infiltrating irrigation pipe network；
Fig. 4 is the structural schematic diagram of filtration irrigation device；
Fig. 5 is the top view in rich water pond.
Wherein: 1, water system；101, well pump；102, well；103, termination of pumping Draw off valve；104, the second strainer；105,
Start and stop valve；106, non-return valve；107, termination of pumping discharges water pipeline；108, last Draw off valve；109, finally discharge water pipeline；2, rich water
System；201, rich water water inlet pipe；202, Water filling valve；203, rich water pond；204, the first strainer；205, rich water pumps；206, rich water
Outlet pipe；207, rich water valve；208, compressed air valve；209, compressed air inlet port；210, Draw off valve；211, rich water
Discharge tube；212, apopore；213, loop pipe；3, infiltrating irrigation pipe network；301, the first longitudinal tubule (L tubule)；303, shut-off valve；304, needle valve；
305, pressure gauge；306, the first transverse tube；307, the second longitudinal tubule (L tubule)；308, connecting tube；309, the second transverse tube；310, deflation valve；
311, pipeline pump；312, process valve；4, filtration irrigation device；41, water tank；42, clump weight；43, lever；44, water inlet sprue；
45, water inlet；46, infiltrating irrigation hole；47 supports.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that and described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Many details are explained in the following description in order to fully understand the utility model, but this is practical new
Type can also be implemented using other than the one described here other way, and those skilled in the art can be without prejudice to this reality
With doing similar popularization in the case where novel intension, therefore the utility model is not limited by the specific embodiments disclosed below.
In the utility model, including rich water system 2 and infiltrating irrigation system, infiltrating irrigation system includes water system 1, with water system
The infiltrating irrigation pipe network 3 of 1 connection and the filtration irrigation device 4 for being located at 3 end of infiltrating irrigation pipe network, rich water system 2 are connected in parallel on water system 1 and infiltrating irrigation
On pipeline between pipe network 3, infiltrating irrigation pipe network 3 and filtration irrigation device 4 are embedded in soil, and all kinds of valves and pipe are installed on infiltrating irrigation pipe network 3
The place setting inspection-pit of road pump, the maintenance for daily controlled valve and valve and pipeline pump.
Water system 1 includes the well pump 101 being located in well 102, and the second strainer successively connecting with well pump 101
104, start and stop valve 105, non-return valve 106, non-return valve 106 are connect by pipeline with infiltrating irrigation pipe network 3.
Water system 1 is additionally provided with drainage system, and drainage system includes that termination of pumping discharges water part with the part that finally discharges water, and termination of pumping is put
Water section includes that termination of pumping discharges water and pipeline 107 and is located at the termination of pumping Draw off valve 103 that termination of pumping discharges water on pipeline 107, termination of pumping discharge tube
The one end on road 107 is connected on the pipeline between the second strainer 104 and start and stop valve 105, and the other end is connected with well 102, most
Drainage part point includes finally discharging water pipeline 109 and to be located at the last Draw off valve 108 finally to discharge water on pipeline 109 afterwards, is finally put
Piping connection between one end and water system 1 and infiltrating irrigation pipe network 3 of water lines 109, the other end are connect with well 102.
Rich water system 2 includes rich water water inlet pipe 201, rich water pond 203, the rich water discharge tube equipped with 203 bottom of rich water pond
211, rich water outlet pipe 206 and the rich water being located on rich water outlet pipe 206 pump 205, and the arrival end of rich water water inlet pipe 201 is connected to
On the pipeline in 1 downstream of water system, outlet end is extend into rich water pond 203 from the bottom in 203 left side of rich water pond, rich water water outlet
The arrival end of pipe 206 extend into 203 bottom of rich water pond, outlet end and 3 upstream of infiltrating irrigation pipe network from the center of 203 top surface of rich water pond
Port connection.Rich water discharge tube 211 is equipped with discharging valve 210；Rich water water inlet pipe 201 is equipped with Water filling valve 202, and fertilizer
The outlet end of water water inlet pipe 201 is additionally provided with cyclic annular outlet pipe, and cyclic annular outlet pipe includes the loop pipe 213 of rectangular ring and is spaced equal
The even apopore 212 for being located at 213 top of loop pipe, the arrival end of rich water outlet pipe 206 are located at the centre bit of loop pipe 213
It sets；The first strainer 204 is successively arranged on rich water outlet pipe 206, rich water pumps 205, rich water valve 207, compressed air inlet port
208。
Infiltrating irrigation pipe network 3 includes the first transverse tube 306, and spaced second transverse tube 309 of the first transverse tube 306, and is connected
The first longitudinal tubule (L tubule) 301, connecting tube 308 and the second longitudinal tubule (L tubule) 307 of the first transverse tube 306 and the second transverse tube 309 are connect, the first transverse tube 306
One end is connect with water system 1, other end spare interface, and one end of the second transverse tube 309 blocks, other end spare interface, and first
Longitudinal tubule (L tubule) 301 and the second longitudinal tubule (L tubule) 307 are respectively connected with filtration irrigation device 4.The side of first longitudinal tubule (L tubule) 301 is connected with shut-off valve 303, needle in turn
Type valve 304 and pressure gauge 305.The end of first transverse tube 306 or the end of the second transverse tube 309 are equipped with deflation valve 310.First is horizontal
Pipe 306 or the second transverse tube 309 are equipped with pipeline pump 311.The front end of first transverse tube 306 and the second transverse tube 309 is equipped with process valve
312.The both ends of first longitudinal tubule (L tubule) 301 are connected to the top of the first transverse tube 306 and the top of the second transverse tube 309, connecting tube 308
Both ends be connected to the bottom of the first transverse tube 306 and the bottom of the second transverse tube 309, the both ends of the second longitudinal tubule (L tubule) 307 connect respectively
The top in the first transverse tube 306 and the top of the second transverse tube 309 are connect, connecting tube 308 is located at the first longitudinal tubule (L tubule) 301 and the second longitudinal tubule (L tubule)
Between 307.
Filtration irrigation device 4 includes water tank 41, is located at the water inlet 45 at 41 top of water tank, is located at the infiltrating irrigation hole on 41 bottom surface of water tank
46, and the water inlet valve being located in water tank 41, water inlet valve include the lever 43 that middle part is hinged on water tank, are located at thick stick
The water inlet sprue 44 of 43 one end of bar, and it is located at lever other end clump weight 42.Lever 43 is a horizontally disposed rectangular slab
Shape structure；Water inlet sprue 44 be its upper surface for being fixed on lever 43 of circular silica gel sealing pad right end, for block into
The mouth of a river 45.Support 47 is inverted T-type structure, and its underpart is fixed on tank inner wall, and top is hinged with the middle part of lever 43.When into
The pressure of water reaches a certain level (when being more than the power that clump weight applies lever right end) at the mouth of a river 45,44 quilt of water inlet sprue
It washes open, water flows into water tank internal diameter infiltrating irrigation hole and flows into soil.After whole device is out of service, 45 water outlet pressure of water inlet is insufficient,
Clump weight 42 is most used down, and water inlet sprue 44 blocks water inlet 45, is avoided and is directly exposed to soil at water inlet long-time
It is blocked in earth.
In addition, start and stop valve 105, termination of pumping Draw off valve 103, last Draw off valve 108, deflation valve 310, process valve
312, Water filling valve 202, rich water valve 207, Draw off valve 210 continuously sets that there are two guarantee that it is reliable on locating pipeline
Property.
It, can be by multiple infiltrating irrigation pipe networks 3 laterally by the spare interface of 309 end of 306 end of the first transverse tube and the second transverse tube
It combines, by adding vertical tube and connecting tube on transverse tube, can be combined by multiple infiltrating irrigation pipe network longitudinal combinations together
It is adjacent later in the front end of the first transverse tube 306 of each infiltrating irrigation pipe network 3 and the front end installation process valve 312 of the second transverse tube 309
The pipeline pump 311 of infiltrating irrigation pipe network 3 is mounted on different transverse tubes, and the deflation valve 310 of adjacent infiltrating irrigation pipe network 3 is mounted on different
On transverse tube, and logical 3 interior conduit of infiltrating irrigation pipe network pump 311 and deflation valve 310 are mounted on different transverse tubes, can be made in this way
Flowing of the well water in each infiltrating irrigation pipe network 3 is more stable.Meanwhile infiltrating irrigation pipe network 3 can be combined peace according to specific landform
Dress, it is mountable in mountain and hill, farmland, the places such as greenbelt.
When the utility model is used, opening start and stop valve 105, Water filling valve 202, process valve 312, well is then opened
Pump 101, well water enter opening conduits pump 311 after pipeline pump 311, the water inlet of the well water infiltrating irrigation pipe network 3 of a part inflow by the road
Place, a part flow into rich water pond 203；The well water for flowing into infiltrating irrigation pipe network 3 opens water inlet when the water pressure in pipeline is enough
Sprue 44, which flows into flow out in water tank 41 from infiltrating irrigation hole 46, realizes infiltrating irrigation；When the water for flowing into rich water pond 203 is enough, to rich water pond
Required fertilizer is added in 203, then opens rich water valve 207, rich water pump 205, and be passed through pressure in compressed air inlet port 209
Contracting air, the well water for mixing fertilizer and compressed air flow into the realization rich water infiltrating irrigation of filtration irrigation device 4 through infiltrating irrigation pipe network 3, work as infiltrating irrigation
Pipeline pump 311 is closed after pipe network each section is stable.When the flowing of the air impact well water in infiltrating irrigation pipe network 3, open
Deflation valve 310 is deflated.When infiltrating irrigation finishes, well pump 101, rich water pump 205 are closed, opening termination of pumping Draw off valve 103 will
Remaining water before water system 1 is located at non-return valve 106 in pipeline empties, and opening Draw off valve 210 will be residual in rich water pond 203
The water emptying stayed, opens last Draw off valve 108 and empties the remaining water in infiltrating irrigation pipe network 3.
Claims (10)
1. a kind of rich water filtration irrigation device, it is characterised in that: including rich water system (2) and infiltrating irrigation system, the infiltrating irrigation system includes
Water system (1), the infiltrating irrigation pipe network (3) being connect with water system (1) and the filtration irrigation device (4) for being located at infiltrating irrigation pipe network (3) end,
The rich water system (2) is connected in parallel on the pipeline between water system (1) and infiltrating irrigation pipe network (3), the infiltrating irrigation pipe network (3) and infiltration
Filling device (4) is embedded in soil, and the filtration irrigation device (4) includes water tank (41), is located at the water inlet of water tank (41) internal upper part
(45), the infiltrating irrigation hole (46) on water tank (41) bottom surface, and the water inlet valve being located in water tank (41), the water inlet are located at
Valve includes the lever (43) that middle part is hinged on water tank (41), is located at the water inlet sprue (44) of lever (43) one end, and
It is located at lever (43) other end clump weight (42).
2. a kind of rich water filtration irrigation device according to claim 1, it is characterised in that: the rich water system (2) includes rich water
Water inlet pipe (201), rich water pond (203) are located at the rich water discharge tube (211) of rich water pond (203) bottom, rich water outlet pipe (206)
(205) are pumped with the rich water being located on rich water outlet pipe (206), the arrival end of the rich water water inlet pipe (201) is connected to for water system
It unites on the pipeline in (1) downstream, outlet end is extend into rich water pond (203) from the bottom on the left of rich water pond (203), the rich water
The arrival end of outlet pipe (206) extend into rich water pond (203) bottom, outlet end and infiltration from the center of rich water pond (203) top surface
Fill the port connection of pipe network (3) upstream.
3. a kind of rich water filtration irrigation device according to claim 2, it is characterised in that: set on the rich water water inlet pipe (201)
Have Water filling valve (202), and the outlet end of rich water water inlet pipe (201) is additionally provided with cyclic annular outlet pipe, the ring-type outlet pipe packet
Include the loop pipe (213) and the evenly spaced apopore (212) being located at the top and bottom of loop pipe of rectangular ring, the rich water
The arrival end of outlet pipe (206) is located at the center of loop pipe (213).
4. a kind of rich water filtration irrigation device according to claim 2, it is characterised in that: on the rich water outlet pipe (206) according to
It is secondary to be equipped with the first strainer (204), rich water pump (205), rich water valve (207), compressed air inlet port (209).
5. a kind of rich water filtration irrigation device according to claim 1, it is characterised in that: the water system (1) includes being located at
Well pump (101) in well (102), and successively connect with well pump (101) the second strainer (104), start and stop valve (105),
Non-return valve (106), the non-return valve (106) are connect by pipeline with infiltrating irrigation pipe network (3).
6. a kind of rich water filtration irrigation device according to claim 5, it is characterised in that: the water system (1) is equipped with and discharges water
System, the drainage system include that termination of pumping discharges water part with the last part that discharges water, and the termination of pumping drainage part point discharges water including termination of pumping
Pipeline (107) and it is located at the termination of pumping Draw off valve (103) that termination of pumping discharges water on pipeline (107), the termination of pumping discharges water pipeline (107)
One end is connected on the pipeline between the second strainer (104) and start and stop valve (105), and the other end is connected with well (102), described
Last drainage part point includes finally discharging water pipeline (109) and to be located at the last last Draw off valve to discharge water on pipeline (109)
(108), the piping connection between one end and water system (1) and infiltrating irrigation pipe network (3) of the pipeline (109) that finally discharges water, separately
One end is connect with well (102).
7. a kind of rich water filtration irrigation device according to claim 1, it is characterised in that: the infiltrating irrigation pipe network (3) includes first
Transverse tube (306), and spaced second transverse tube (309) of the first transverse tube (306), and be both connected to the first transverse tube (306) and
The first longitudinal tubule (L tubule) (301), connecting tube (308) and the second longitudinal tubule (L tubule) (307) between second transverse tube (309), first transverse tube (306)
One end connect with water system (1), one end of other end spare interface, second transverse tube (309) blocks, and the other end is reserved
Interface, first longitudinal tubule (L tubule) (301) and the second longitudinal tubule (L tubule) (307) are respectively connected with filtration irrigation device (4).
8. a kind of rich water filtration irrigation device according to claim 7, it is characterised in that: the both ends of first longitudinal tubule (L tubule) (301)
It is connected to the top of the first transverse tube (306) and the top of the second transverse tube (309), the both ends difference of the connecting tube (308)
It is connected to the bottom of the first transverse tube (306) and the bottom of the second transverse tube (309), the both ends of second longitudinal tubule (L tubule) (307) connect respectively
The top in the first transverse tube (306) and the top of the second transverse tube (309) are connect, the connecting tube (308) is located at the first longitudinal tubule (L tubule) (301)
And second between longitudinal tubule (L tubule) (307).
9. a kind of rich water filtration irrigation device according to claim 7, it is characterised in that: the side of first longitudinal tubule (L tubule) (301)
It is connected in turn shut-off valve (303), needle valve (304) and pressure gauge (305).
10. a kind of rich water filtration irrigation device according to claim 7, it is characterised in that: the end of first transverse tube (306)
Or second transverse tube (309) end be equipped with deflation valve (310), first transverse tube (306) or the second transverse tube (309) are equipped with
The front end of pipeline pump (311), first transverse tube (306) and the second transverse tube (309) is equipped with process valve (312).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820738926.4U CN208242213U (en) | 2018-05-17 | 2018-05-17 | A kind of rich water filtration irrigation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820738926.4U CN208242213U (en) | 2018-05-17 | 2018-05-17 | A kind of rich water filtration irrigation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208242213U true CN208242213U (en) | 2018-12-18 |
Family
ID=66480601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820738926.4U Expired - Fee Related CN208242213U (en) | 2018-05-17 | 2018-05-17 | A kind of rich water filtration irrigation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208242213U (en) |
-
2018
- 2018-05-17 CN CN201820738926.4U patent/CN208242213U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 Termination date: 20200517 |
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| CF01 | Termination of patent right due to non-payment of annual fee |