CN209128967U - Quickly drain flooded fields device for a kind of farmland - Google Patents
Quickly drain flooded fields device for a kind of farmland Download PDFInfo
- Publication number
- CN209128967U CN209128967U CN201821771687.9U CN201821771687U CN209128967U CN 209128967 U CN209128967 U CN 209128967U CN 201821771687 U CN201821771687 U CN 201821771687U CN 209128967 U CN209128967 U CN 209128967U
- Authority
- CN
- China
- Prior art keywords
- wall
- rectangular channel
- pushing block
- drainage ditch
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Barrages (AREA)
Abstract
Quickly drain flooded fields device for a kind of farmland, including drainage ditch, drainage ditch inner wall two sides open up rectangular channel, the horizontal position of rectangular channel inner wall bottom surface is concordant with the horizontal position of drainage ditch inner wall bottom surface, the outside of rectangular channel inner wall laterally opens up the equally distributed mounting groove in several longitudinal directions respectively, the inside of rectangular channel is respectively equipped with pushing block, the top surface of pushing block and the angle of bottom surface are α, the bottom surface of pushing block can respectively simultaneously with the bottom surface close contacting fit of corresponding rectangular channel and water channel inner wall, it the horizontal position of the inside of pushing block can be concordant with the horizontal position of corresponding water channel inner wall two sides respectively, the equally distributed electric putter with limit function in several longitudinal directions is respectively equipped in rectangular channel, the fixed link of electric putter is inserted into respectively in corresponding mounting groove.Energy conservation and environmental protection, and the degree of automation is higher, without artificial real time monitoring, detecting to the situation in water channel quickly to be discharged field ponding.
Description
Technical field
The utility model belongs to
Agricultural water drainage device field, quickly drain flooded fields device in specifically a kind of farmland.
Background technique
With the development of agricultural, in capital farmland construction, agricultural drain refers to the surface water excessive in farmland, soil
It is excluded with underground water, improves the water, fertilizer, air and heat relationship of soil, in favor of the artificial measures of plant growth.Existing field row
Ditch is mostly designed with stone masonry or concrete single-layer homogeneous texture, lays water outlet in the lower side of field, discharge field face is extra
Moisture, or by infiltration effect draining under soil vertical, drainage effect is poor, when have heavy rain or other need increasing water discharge capacity
When situation, traditional gutter quickly the surface pond to field and underground water can not quickly drain flooded fields, therefore now design a kind of energy
It is enough according in drainage ditch the case where water flow, to drainage ditch width and draw water that pump power is adjusted, the degree of automation is higher
Quick water drainage device for farmland.
Utility model content
The utility model provides a kind of farmland and quickly drains flooded fields device, to solve defect in the prior art.
The utility model is achieved by the following technical programs:
Quickly drain flooded fields device, including drainage ditch for a kind of farmland, and drainage ditch inner wall two sides open up rectangular channel, rectangular channel inner wall
The horizontal position of bottom surface is concordant with the horizontal position of drainage ditch inner wall bottom surface, and the outside of rectangular channel inner wall laterally opens up number respectively
A equally distributed mounting groove in longitudinal direction, the inside of rectangular channel are respectively equipped with pushing block, and the top surface of pushing block and the angle of bottom surface are α, are pushed away
The bottom surface of block can respectively simultaneously with the bottom surface close contacting fit of corresponding rectangular channel and water channel inner wall, the water of the inside of pushing block
Prosposition is set can be concordant with the horizontal position of corresponding water channel inner wall two sides respectively, and it is uniform that several longitudinal directions are respectively equipped in rectangular channel
The electric putter with limit function of distribution, the fixed link of electric putter are inserted into respectively in corresponding mounting groove, and electric putter is fixed
The periphery of bar is fixedly connected with the inner circumferential of corresponding mounting groove inner wall respectively, and one end of electric putter motion bar is pushed away with corresponding respectively
It being fixedly connected on the outside of block, the top surface of rectangular channel inner wall opens up vertical cylinder groove respectively, it is respectively equipped with cylindrical bar in cylinder groove,
The upper end of cylindrical bar passes through the top surface that spring is fixedly connected with corresponding cylinder groove inner wall respectively, and spring is always respectively simultaneously to correspondence
One downward thrust of cylindrical bar, the lower end of cylindrical bar can be inserted into respectively in corresponding rectangular channel, the bottom surface of cylindrical bar
It can be engaged respectively with the top surface of corresponding pushing block always, suction pump is fixedly mounted in the two sides of drainage ditch top surface respectively, takes out
It is equipped with water pump shift-position control apparatus between water pump and cylindrical bar, is respectively fixedly connected with inverted L-shaped water pipe on the inside of suction pump
One end of horizontal tube, the lower end of water pipe vertical pipe are located in drainage ditch simultaneously respectively, and water level is fixedly mounted in the inside of pushing block respectively
Detector, level switch distinguish synchronous signal and connect corresponding suction pump.
Quickly drain flooded fields device, the bottom surface of the cylindrical bar and the folder of rectangular channel inner wall top surface in a kind of farmland as described above
Angle is β.
Quickly drain flooded fields device in a kind of farmland as described above, and the water pump shift-position control apparatus includes several uniformly vertical
The adjusting knob of distribution is respectively fixedly connected with the two sides of corresponding cylinder groove inner wall, the inside difference of adjusting knob on the outside of adjusting knob
It can be engaged simultaneously with the two sides of corresponding cylindrical bar, the corresponding suction pump of the equal circuit connection of adjusting knob.
Quickly drain flooded fields device in a kind of farmland as described above, and rectangular channel inner wall outside is respectively fixedly connected with soft sealant
The outside of plate, the outside for sealing laminate open up the first circular trough respectively, and the inside for sealing laminate opens up the second circular trough respectively, the
The inside of one circular trough is communicated with the inside of corresponding second circular trough respectively, and the outer end of electric putter fixed link is located at correspondence
The first circular trough in, the periphery and outer end of electric putter fixed link respectively with the inner circumferential of corresponding first circular trough inner wall and side
Be fixedly connected, electric putter motion bar is located in corresponding second circular trough, the periphery of electric putter motion bar respectively with it is corresponding
The inner circumferential of the second circular trough inner wall be engaged, the inside for sealing laminate can match with the outer side contacts of corresponding pushing block respectively
It closes.
Quickly drain flooded fields device in a kind of farmland as described above, and the two sides of drainage ditch top surface open up several uniform longitudinal directions point respectively
Cloth buries soil box, and the outside for burying soil box inner wall communicates with the outside world.
Quickly drain flooded fields device in a kind of farmland as described above, and filter device is fixedly mounted in the lower end of the water pipe vertical pipe.
The utility model has the advantages that: in the work of the utility model device: the surface water in farmland flows into drainage ditch, water level inspection
The water level in drainage ditch can be detected by surveying device, and level switch is according to the movable end of the water level control electric putter detected
Pushing block transverse shifting is driven, to change the width of the channel of drainage ditch, while pushing block transverse movement, cylindrical bar is in cylinder groove
Interior vertically movable, spring can guarantee that the bottom end of cylindrical bar is engaged with the top surface of pushing block always, by adjusting water pump gear
Control device adjusts the power that draws water of suction pump, and can guarantee that water is discharged into water in time when the water flow in drainage ditch is larger
Ditch avoids the more spilling drainage ditch of the water flow in drainage ditch from flowing backward to farmland, causes economic loss, being capable of real-time detection draining
Water flow in canal is drawn water to adjust suction pump to corresponding power, more energy saving while improving the reliability of device
Environmental protection, and the degree of automation is higher, without artificial real time monitoring, detecting to the situation in water channel can be quickly to field
Ponding is discharged.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model;Fig. 2 is the A direction view of Fig. 1.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Quickly drain flooded fields device for a kind of farmland, as shown, including drainage ditch 1,1 inner wall two sides of drainage ditch open up rectangular channel
2, the horizontal position of 2 inner wall bottom surface of rectangular channel is concordant with the horizontal position of 1 inner wall bottom surface of drainage ditch, outside 2 inner wall of rectangular channel
Side laterally opens up the equally distributed mounting groove 3 in several longitudinal directions respectively, and the inside of rectangular channel 2 is respectively equipped with pushing block 4, the top of pushing block 4
The angle of face and bottom surface is α, and the bottom surface of α=35 °~40 °, pushing block 4 can be respectively simultaneously and in corresponding rectangular channel 2 and water channel 1
The bottom surface close contacting fit of wall, the horizontal position of the inside of pushing block 4 can respectively with the level of corresponding 1 inner wall two sides of water channel
Position is concordant, and the equally distributed electric putter 5 with limit function in several longitudinal directions is respectively equipped in rectangular channel 2, and electric putter 5 is consolidated
Fixed pole is inserted into respectively in corresponding mounting groove 3, and the periphery of 5 fixed link of electric putter is respectively and in corresponding 3 inner wall of mounting groove
Week is fixedly connected, and one end of 5 motion bar of electric putter is fixedly connected with the outside of corresponding pushing block 4 respectively, the top of 2 inner wall of rectangular channel
Face opens up vertical cylinder groove 6 respectively, cylindrical bar 7 is respectively equipped in cylinder groove 6, it is solid that the upper end of cylindrical bar 7 passes through spring 8 respectively
Surely the top surface of corresponding 6 inner wall of cylinder groove is connected, spring 8 gives 7 one downward thrusts of corresponding cylindrical bar simultaneously respectively always,
The lower end of cylindrical bar 7 can be inserted into respectively in corresponding rectangular channel 2, the bottom surface of cylindrical bar 7 can always respectively with it is corresponding
The top surface of pushing block 4 is engaged, and suction pump 9 is fixedly mounted in the two sides of 1 top surface of drainage ditch respectively, between suction pump 9 and cylindrical bar 7
Equipped with water pump shift-position control apparatus, the inside of suction pump 9 is respectively fixedly connected with one end of inverted 10 horizontal tube of L-shaped water pipe,
The lower end of 10 vertical pipe of water pipe is located in drainage ditch 1 simultaneously respectively, and level switch 11 is fixedly mounted in the inside of pushing block 4 respectively,
Level switch 11 distinguishes synchronous signal and connects corresponding suction pump 9.In the work of the utility model device: the surface water in farmland flows into
In drainage ditch 1, level switch 11 can detect the water level in drainage ditch 1, and level switch 11 is according to detecting
The movable end of water level control electric putter 5 drives 4 transverse shifting of pushing block, to change the width of the channel of drainage ditch 1, pushing block 4 is horizontal
To while movement, cylindrical bar 7 is vertically movable in cylinder groove 6, spring 8 can guarantee the bottom end of cylindrical bar 7 always with pushing block 4
Top surface be engaged, adjust the power that draws water of suction pump 9 by adjusting water pump gear control device, can guarantee draining
Water is discharged into ditch in time when larger by the water flow in canal 1, and the more spilling drainage ditch 1 of the water flow in drainage ditch 1 is avoided to flow backward to agriculture
In field, cause economic loss, can the water flow in real-time detection drainage ditch 1 carried out to adjust suction pump 9 to corresponding power
It draws water, while improving the reliability of device, is more energy-saving and environmentally friendly, and the degree of automation is higher, it is right without artificial real time monitoring
Situation in water channel, which carries out detection, quickly to discharge field ponding.
Specifically, in order to improve the stability inside device, the bottom surface of cylindrical bar 7 and rectangular channel described in the present embodiment
The angle of 2 inner wall top surfaces is β, β=α.The inclination angle beta of 7 bottom surface of cylindrical bar is identical as the inclination angle alpha of 4 top surface of pushing block, cylinder
The bottom surface of bar 7 and the contact area of the top surface of pushing block 4 are bigger, can guarantee that cylindrical bar 7 is in cylinder groove 6 when pushing block 4 is mobile
The stability of movement, and then improve the stability inside device.
Specifically, in order to adjust the power that draws water of suction pump 9, water pump shift-position control apparatus described in the present embodiment includes number
A adjusting knob 12 being uniformly vertically distributed, the outside of adjusting knob 12 are respectively fixedly connected with the two sides of corresponding 6 inner wall of cylinder groove, adjust
The inside of section button 12 is able to be engaged with the two sides of corresponding cylindrical bar 7 simultaneously, and the equal circuit connection of adjusting knob 12 is corresponding
Suction pump 9.When pushing block 4 is moved into rectangular channel 2, the top surface of pushing block 4 pushes cylindrical bar 7 to move into cylinder groove 6, cylinder
Adjusting knob 12 is triggered in the two sides of bar 7, and the triggering of adjusting knob 12 can control suction pump 9 and increase operating power, to accelerate to drain
The discharge of 1 internal water accumulation of canal can help quickly to drain flooded fields when water level is higher in drainage ditch 1.
Further, in order to improve the stability that device works, 2 inner wall outside of the present embodiment rectangular channel is respectively fixedly connected with
The outside of soft sealing laminate 13, the outside of sealing laminate 13 open up the first circular trough 14 respectively, seal the inside of laminate 13
The second circular trough 15 is opened up respectively, and the inside of the first circular trough 14 is communicated with the inside of corresponding second circular trough 15 respectively, electricity
The outer end of 5 fixed link of push rod is located in corresponding first circular trough 14, the periphery and outer end of 5 fixed link of electric putter respectively with
The inner circumferential of corresponding first circular trough, 14 inner wall is fixedly connected with side, and 5 motion bar of electric putter is located at corresponding second circle
In shape slot 15, the periphery of 5 motion bar of electric putter is engaged with the inner circumferential of corresponding second circular trough, 15 inner wall respectively, sealant
The inside of plate 13 can be engaged with the outside of corresponding pushing block 4 respectively.Sealing laminate 13 can be avoided the water in drainage ditch 1
Into in mounting groove 3, guarantee that electric putter 5 can work normally, to improve the stability of device work.
Further, in order to improve the effect of catchmenting of device, the two sides of 1 top surface of the present embodiment drainage ditch open up number respectively
A uniform genesis analysis buries soil box 16, and the outside for burying 16 inner wall of soil box communicates with the outside world.User can be 1 liang by drainage ditch
The soil in side farmland, which is filled in, to be buried in soil box 16, keeps the horizontal position of 1 top surface of drainage ditch concordant with the horizontal position of farmland surface,
The water of farmland surface is facilitated to flow into drainage ditch 1, to improve the effect of catchmenting of device.
Further, mechanical accident, the lower end of 10 vertical pipe of water pipe described in the present embodiment occur for suction pump 9 in order to prevent
Filter device 17 is fixedly mounted.Filter device 17 can prevent foreign matter from entering in suction pump 9 by water pipe 10, to avoid machinery
The generation of accident improves the reliability of device.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations;
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement;And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (6)
1. quickly drain flooded fields device in a kind of farmland, it is characterised in that: including drainage ditch (1), drainage ditch (1) inner wall two sides open up square
Shape slot (2), the horizontal position of rectangular channel (2) inner wall bottom surface is concordant with the horizontal position of drainage ditch (1) inner wall bottom surface, rectangular channel
(2) outside of inner wall laterally opens up the equally distributed mounting groove in several longitudinal directions (3) respectively, and the inside of rectangular channel (2) is respectively equipped with
Pushing block (4), the top surface of pushing block (4) and the angle of bottom surface are α, the bottom surface of pushing block (4) can respectively simultaneously with corresponding rectangular channel
(2) and the bottom surface close contacting fit of water channel (1) inner wall, the horizontal position of the inside of pushing block (4) can respectively with corresponding water
The horizontal position of canal (1) inner wall two sides is concordant, and it is equally distributed with limit function that several longitudinal directions are respectively equipped in rectangular channel (2)
Electric putter (5), the fixed link of electric putter (5) is inserted into respectively in corresponding mounting groove (3), electric putter (5) fixed link it is outer
Week is fixedly connected with the inner circumferential of corresponding mounting groove (3) inner wall respectively, and one end of electric putter (5) motion bar is pushed away with corresponding respectively
Block is fixedly connected on the outside of (4), and the top surface of rectangular channel (2) inner wall opens up vertical cylinder groove (6) respectively, is divided in cylinder groove (6)
Not She You cylindrical bar (7), the upper end of cylindrical bar (7) passes through the top that spring (8) is fixedly connected with corresponding cylinder groove (6) inner wall respectively
Face, spring (8) give (7) downward thrusts of corresponding cylindrical bar simultaneously respectively always, and the lower end of cylindrical bar (7) can be distinguished
It is inserted into corresponding rectangular channel (2), the bottom surface of cylindrical bar (7) can be contacted with the top surface of corresponding pushing block (4) respectively always
Cooperation, the two sides of drainage ditch (1) top surface are fixedly mounted suction pump (9) respectively, and water is equipped between suction pump (9) and cylindrical bar (7)
Shift-position control apparatus is pumped, one end of inverted L-shaped water pipe (10) horizontal tube, water are respectively fixedly connected on the inside of suction pump (9)
The lower end for managing (10) vertical pipe is located in drainage ditch (1) simultaneously respectively, and level switch is fixedly mounted in the inside of pushing block (4) respectively
(11), synchronous signal connects corresponding suction pump (9) to level switch (11) respectively.
2. quickly drain flooded fields device in a kind of farmland according to claim 1, it is characterised in that: the bottom of the cylindrical bar (7)
The angle of face and rectangular channel (2) inner wall top surface is β.
3. quickly drain flooded fields device in a kind of farmland according to claim 1, it is characterised in that: the water pump gear controls dress
It sets including several adjusting knobs (12) being uniformly vertically distributed, adjusting knob is respectively fixedly connected with corresponding cylinder groove on the outside of (12)
(6) two sides of inner wall are able to be engaged with the two sides of corresponding cylindrical bar (7) simultaneously on the inside of adjusting knob (12), adjust
Save button (12) corresponding suction pump of circuit connection (9).
4. quickly drain flooded fields device in a kind of farmland according to claim 1, it is characterised in that: rectangular channel (2) inner wall outside point
It is not fixedly connected with the outside of soft sealing laminate (13), the outside of sealing laminate (13) opens up the first circular trough (14) respectively,
The inside of sealing laminate (13) opens up the second circular trough (15) respectively, and the inside of the first circular trough (14) is respectively with corresponding second
The inside of circular trough (15) communicates, and the outer end of electric putter (5) fixed link is located in corresponding first circular trough (14), and electricity pushes away
The periphery and outer end of bar (5) fixed link are fixedly connected with the inner circumferential of corresponding first circular trough (14) inner wall with side respectively, electricity
Push rod (5) motion bar is located in corresponding second circular trough (15), the periphery of electric putter (5) motion bar respectively with it is corresponding
The inner circumferential of the second circular trough (15) inner wall is engaged, seal laminate (13) inside can respectively with corresponding pushing block (4)
Outside is engaged.
5. quickly drain flooded fields device in a kind of farmland according to claim 1, it is characterised in that: the two sides of drainage ditch (1) top surface
Open up several uniform genesis analysis respectively buries soil box (16), and the outside for burying soil box (16) inner wall communicates with the outside world.
6. quickly drain flooded fields device in a kind of farmland according to claim 1, it is characterised in that: water pipe (10) vertical pipe
Filter device (17) are fixedly mounted in lower end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821771687.9U CN209128967U (en) | 2018-10-30 | 2018-10-30 | Quickly drain flooded fields device for a kind of farmland |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821771687.9U CN209128967U (en) | 2018-10-30 | 2018-10-30 | Quickly drain flooded fields device for a kind of farmland |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209128967U true CN209128967U (en) | 2019-07-19 |
Family
ID=67233348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821771687.9U Expired - Fee Related CN209128967U (en) | 2018-10-30 | 2018-10-30 | Quickly drain flooded fields device for a kind of farmland |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209128967U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111206550A (en) * | 2020-03-10 | 2020-05-29 | 宁波市庞荣机械科技有限公司 | Drainage device for farmland ecosystem |
CN113216355A (en) * | 2021-05-19 | 2021-08-06 | 润盛建设集团有限公司 | Construction rainfall drainage structures |
-
2018
- 2018-10-30 CN CN201821771687.9U patent/CN209128967U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111206550A (en) * | 2020-03-10 | 2020-05-29 | 宁波市庞荣机械科技有限公司 | Drainage device for farmland ecosystem |
CN113216355A (en) * | 2021-05-19 | 2021-08-06 | 润盛建设集团有限公司 | Construction rainfall drainage structures |
CN113216355B (en) * | 2021-05-19 | 2022-06-17 | 润盛建设集团有限公司 | Construction rainfall drainage structures |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103454404B (en) | Miniature soil hydrologic monitoring system suitable for high-heterogeneity karst sloping field | |
CN209128967U (en) | Quickly drain flooded fields device for a kind of farmland | |
CN210202771U (en) | Arid area trees collection rain irrigation equipment | |
CN104088405B (en) | A kind of dewatering in siphon type collects reutilization system | |
CN202416437U (en) | Collection and comprehensive utilization system for rainwater | |
CN210947080U (en) | Bathroom floor drain with adjustable | |
CN202689170U (en) | Automatic flow dividing device for front-stage rain and middle-back-stage rain flow division | |
CN210658616U (en) | Underground automatic water storage and automatic drainage system | |
CN206205290U (en) | A kind of roof rainwater collection processing system | |
CN110226378A (en) | The saline and alkaline region water resource Collection utilization system of automatic dripping irrigation | |
CN110226380A (en) | The saline and alkaline regional water resources of automatic irrigation, which are regulated and stored, utilizes system | |
CN110226379A (en) | The saline and alkaline region water resource of the automatic dripping irrigation of the structure containing terraced fields, which is regulated and stored, utilizes system | |
CN205726953U (en) | A kind of salt-soda soil hidden pipe salt discharge equipment | |
CN204317194U (en) | A kind of irrigation rig | |
CN208152200U (en) | A kind of guiding device of the rainwater set on sanitary garbage landfill yard dam body | |
CN207512865U (en) | A kind of efficient arch is regulated and stored device | |
CN213174128U (en) | Water supply and drainage pumping device for basement for building | |
CN205266411U (en) | Roof vegetable planting groove | |
CN104652595A (en) | Semi support water storage green land structure for urban flood control and flood utilization | |
CN204059774U (en) | A kind of dewatering in siphon type collects reutilization system | |
CN208039652U (en) | Look for slope ditching type drainage system | |
CN204043954U (en) | A kind of run in depth gathering-device | |
CN209323724U (en) | Shed deckhead discharge structure | |
CN203034584U (en) | Polluted rain cut-off device | |
CN206815486U (en) | A kind of big water burst counter-slope tunnel three-level discharge structure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190719 Termination date: 20201030 |
|
CF01 | Termination of patent right due to non-payment of annual fee |