CN214695812U - Tower type water conservancy sewage disposal equipment - Google Patents
Tower type water conservancy sewage disposal equipment Download PDFInfo
- Publication number
- CN214695812U CN214695812U CN202120530787.8U CN202120530787U CN214695812U CN 214695812 U CN214695812 U CN 214695812U CN 202120530787 U CN202120530787 U CN 202120530787U CN 214695812 U CN214695812 U CN 214695812U
- Authority
- CN
- China
- Prior art keywords
- tower type
- shaft
- bearing
- water conservancy
- tower
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 239000010865 sewage Substances 0.000 title claims description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 238000009434 installation Methods 0.000 claims description 18
- 238000005202 decontamination Methods 0.000 claims description 8
- 230000003588 decontaminative effect Effects 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 abstract description 5
- 241000282414 Homo sapiens Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Images
Landscapes
- Sewage (AREA)
Abstract
The utility model relates to the technical field of cleaning equipment, in particular to tower type water conservancy cleaning equipment, which improves the cleaning convenience of a device, increases the cleaning work efficiency and increases the use safety; the device comprises a tower type reservoir, wherein the upper end and the lower end of the tower type reservoir are respectively provided with a water inlet and a water outlet; still include the drive shaft, first bearing, the transmission shaft, the initiative taper tooth, the second bearing, the roller brush, driven bevel gear, the collecting vat, height adjustment mechanism and power unit, height adjustment mechanism installs on tower reservoir top, power unit installs on height adjustment mechanism, the drive shaft rotates with height adjustment mechanism cooperation and is connected, the transmission shaft rotates through a plurality of first bearing cooperations and installs inside drive shaft working chamber, initiative taper tooth top coaxial arrangement is in the transmission shaft bottom, the initiative taper tooth is connected with driven bevel gear meshing transmission, the collecting vat right-hand member is fixed in drive shaft left end bottom, power unit provides rotation power for drive shaft and transmission shaft respectively.
Description
Technical Field
The utility model relates to a technical field of equipment of decontaminating especially relates to a tower water conservancy equipment of decontaminating.
Background
As is well known, the tower type water conservancy sewage disposal equipment is an auxiliary device for cleaning sewage at the bottom end of a tower type reservoir, and is widely used in the field of sewage disposal equipment; the existing tower type water conservancy sewage disposal equipment comprises a tower type reservoir, wherein the upper end and the lower end of the tower type reservoir are respectively provided with a water inlet and a water outlet; the existing tower type water conservancy sewage disposal equipment is used for discovering that water conservancy projects are projects built by controlling and allocating surface water and underground water in the nature to achieve the purpose of removing harm and benefiting, water is a valuable resource essential for human production and life, but the naturally existing state of the water conservancy projects does not completely meet the requirement of human beings, only the water conservancy projects are built to control water flow and prevent flood disasters, and water quantity regulation and distribution are carried out to meet the requirement of people life and production on water resources.
Disclosure of Invention
In order to solve the technical problem, the utility model provides an improve device clearance convenience increases clearance work efficiency, increases the tower water conservancy equipment of decontaminating of safety in utilization.
The utility model relates to a tower type water conservancy decontamination equipment, which comprises a tower type reservoir, wherein the upper end and the lower end of the tower type reservoir are respectively provided with a water inlet and a water outlet; the device also comprises a driving shaft, a first bearing, a driving shaft, a driving conical tooth, a second bearing, a roller brush, a driven conical gear, a collecting tank, a height adjusting mechanism and a power mechanism, wherein the height adjusting mechanism is arranged at the top end of the tower type reservoir, the power mechanism is arranged on the height adjusting mechanism, the driving shaft is matched and rotatably connected with the height adjusting mechanism, the driving shaft penetrates through a shaft hole at the top end of the tower type reservoir and extends into a cavity of the tower type reservoir, the driving shaft is matched and rotatably arranged in a working cavity of the driving shaft through a plurality of first bearings, the top end of the driving conical tooth is coaxially arranged at the bottom end of the driving shaft, a mounting groove is arranged in the left side of the bottom end of the driving shaft, the second bearing is fixed in the mounting groove of the driving shaft, the right end of the roller brush is coaxially matched and connected with the second bearing, the left end of the driven conical gear is coaxially arranged at the right end of the roller brush, the driving conical tooth is engaged and rotatably connected with the driven conical gear, and the right end of the collecting tank is fixed at the bottom of the left end of the driving shaft, the roller brush is installed with the collecting vat feed inlet cooperation, and power unit provides rotation power for drive shaft and transmission shaft respectively.
The utility model discloses a tower water conservancy equipment of decontaminating, power unit includes the motor cabinet, the double-shaft motor, first driving gear, first driven gear, second driving gear and second driven gear, the double-shaft motor passes through the motor cabinet to be installed on the height adjusting mechanism top, first driving gear bottom coaxial arrangement is at double-shaft motor top output, first driven gear bottom coaxial arrangement is on the transmission shaft top, first driving gear is connected with first driven gear meshing transmission, second driving gear top coaxial arrangement is at double-shaft motor bottom output, the coaxial fixation of second driven gear is on the drive shaft outer wall, the second driving gear is connected with second driven gear meshing transmission.
The utility model discloses a tower water conservancy equipment of decontaminating, height adjusting mechanism include fixing base, pneumatic cylinder, installation roof beam and third bearing, and the pneumatic cylinder passes through the fixing base to be installed in tower reservoir rear end, and the installation roof beam bottom is installed on the pneumatic cylinder top, and installation roof beam front end is provided with the mounting hole, and the cooperation of third bearing is fixed inside the installation roof beam mounting hole, and the drive shaft is connected with the coaxial cooperation of third bearing, and the motor cabinet rear end is installed at installation roof beam front end.
The utility model discloses a tower water conservancy equipment of decontaminating still includes fourth bearing and sliding sleeve, and fourth bearing coaxial arrangement is inside tower reservoir top shaft hole, and the sliding sleeve is connected with the coaxial cooperation of fourth bearing, drive shaft and sliding sleeve cooperation sliding connection.
The utility model discloses a tower water conservancy equipment of decontaminating still includes that the collecting vat rear end is provided with the filter screen.
The utility model discloses a tower water conservancy equipment of decontaminating still includes that the collecting vat top is provided with the door.
The utility model discloses a tower water conservancy equipment of decontaminating still includes the guard box, and the guard box rear end is installed at installation roof beam front end, and power unit all is located the guard box intracavity portion.
The utility model discloses a tower water conservancy equipment of decontaminating still includes the rubber pad, and the rubber pad top is installed in the drive shaft bottom.
Compared with the prior art, the beneficial effects of the utility model are that: make power mechanism and drive shaft operating position height respectively adjust through high adjustment mechanism, make the transmission shaft location rotate through a plurality of first bearing cooperations and install inside the drive shaft working chamber, make the roller brush location rotate through the second bearing and install in the drive shaft bottom, make drive shaft and transmission shaft provide rotation power respectively through power mechanism, the transmission shaft rotates and makes the roller brush provide rotation power through initiative taper tooth and driven bevel gear meshing, rotate and make tower reservoir bottom debris clean and collect with the collecting vat cooperation through the roller brush, rotate through the transmission shaft and make roller brush clearance position constantly adjust, improve device clearance convenience, increase clearance work efficiency, increase the safety in utilization.
Drawings
Fig. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
fig. 3 is a left side view structure diagram of the present invention;
FIG. 4 is a schematic left side view of the components of the present invention;
in the drawings, the reference numbers: 1. a tower reservoir; 2. a drive shaft; 3. a first bearing; 4. a drive shaft; 5. a driving conical tooth; 6. a second bearing; 7. roller brushing; 8. a driven conical tooth; 9. collecting tank; 10. a motor base; 11. a double-shaft motor; 12. a first drive gear; 13. a first driven gear; 14. a second driving gear; 15. a second driven gear; 16. a fixed seat; 17. a hydraulic cylinder; 18. mounting a beam; 19. a third bearing; 20. a fourth bearing; 21. a sliding sleeve; 22. a protection box; 23. and (7) a rubber pad.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the tower type water conservancy sewage disposal equipment of the utility model comprises a tower type reservoir 1, wherein a water inlet and a water outlet are respectively arranged at the upper end and the lower end of the tower type reservoir 1; the device also comprises a driving shaft 2, a first bearing 3, a driving shaft 4, a driving conical tooth 5, a second bearing 6, a roller brush 7, a driven conical gear 8, a collecting tank 9, a height adjusting mechanism and a power mechanism, wherein the height adjusting mechanism is installed at the top end of the tower type reservoir 1, the power mechanism is installed on the height adjusting mechanism, the driving shaft 2 is matched and rotatably connected with the height adjusting mechanism, the driving shaft 2 penetrates through a shaft hole at the top end of the tower type reservoir 1 and extends into a cavity of the tower type reservoir 1, the driving shaft 4 is matched and rotatably installed in a working cavity of the driving shaft 2 through a plurality of first bearings 3, the top end of the driving conical tooth 5 is coaxially installed at the bottom end of the driving shaft 4, a mounting groove is arranged on the left side of the bottom end of the driving shaft 2, the second bearing 6 is fixed in the mounting groove of the driving shaft 2, the right end of the roller brush 7 is coaxially connected with the second bearing 6, the left end of the driven conical gear 8 is coaxially installed at the right end of the roller brush 7, and the driving conical tooth 5 is meshed and in a transmission connection with the driven conical gear 8, the right end of the collecting groove 9 is fixed at the bottom of the left end of the driving shaft 2, the roller brush 7 is matched with a feeding hole of the collecting groove 9, and the power mechanism provides rotation power for the driving shaft 2 and the transmission shaft 4 respectively; make power mechanism and 2 operating position of drive shaft height adjust respectively through high adjustment mechanism, make 4 location rotations of transmission shaft install inside 2 working chambers of drive shaft through the cooperation of a plurality of first bearings 3, make 7 location rotations of roller brush install in 2 bottoms of drive shaft through second bearing 6, make drive shaft 2 and transmission shaft 4 provide rotation power respectively through power mechanism, 4 rotations of transmission shaft make roller brush 7 provide rotation power through initiative taper tooth 5 and the meshing of driven bevel gear 8, rotate through roller brush 7 and make 1 bottom debris of tower reservoir clean and collect with the cooperation of collecting vat 9, it constantly adjusts to rotate through transmission shaft 4 messenger 7 clearance positions of roller brush, improve device clearance convenience, increase clearance work efficiency, increase the safety in utilization.
The utility model discloses a tower water conservancy equipment of decontaminating, power unit includes motor cabinet 10, double-shaft motor 11, first driving gear 12, first driven gear 13, second driving gear 14 and second driven gear 15, double-shaft motor 11 installs on the top of height adjustment mechanism through motor cabinet 10, first driving gear 12 bottom coaxial arrangement is at double-shaft motor 11 top output, first driven gear 13 bottom coaxial arrangement is at 4 tops of transmission shaft, first driving gear 12 meshes the transmission with first driven gear 13 and is connected, second driving gear 14 top coaxial arrangement is at double-shaft motor 11 bottom output, second driven gear 15 coaxial fixation is on the outer wall of drive shaft 2, second driving gear 14 meshes the transmission with second driven gear 15 and is connected; make double-shaft motor 11 and height adjusting mechanism stable installation through motor cabinet 10, make first driving gear 12 and second driving gear 14 provide rotation power simultaneously through double-shaft motor 11, make transmission shaft 4 provide rotation power through first driving gear 12 and the meshing transmission of first driven gear 13, make drive shaft 2 provide rotation power through second driving gear 14 and the 15 meshing transmissions of second driven gear, improve device cost, improve job stabilization nature, increase clean efficiency, reduce the use limitation.
The utility model discloses a tower water conservancy equipment of decontaminating, the height control mechanism includes fixing base 16, pneumatic cylinder 17, installation roof beam 18 and third bearing 19, pneumatic cylinder 17 is installed at tower reservoir 1 rear end through fixing base 16, the 18 bottom of installation roof beam is installed on the pneumatic cylinder 17 top, the 18 front ends of installation roof beam are provided with the mounting hole, the cooperation of third bearing 19 is fixed inside the 18 mounting holes of installation roof beam, drive shaft 2 is connected with the coaxial cooperation of third bearing 19, the 10 rear ends of motor cabinet are installed at the 18 front ends of installation roof beam; make pneumatic cylinder 17 and tower reservoir 1 fixed connection through fixing base 16, make installation roof beam 18 height position control through pneumatic cylinder 17, make drive shaft 2 and motor cabinet 10 carry out the synchronization regulation through installation roof beam 18 position control, make drive shaft 2 and installation roof beam 18 rotate through third bearing 19 and be connected, debris after making collecting vat 9 collect through drive shaft 2 height control are convenient for in time clear up, improve the simple operation nature, reduce the clearance degree of difficulty, improve work efficiency, reduce the use limitation.
The utility model discloses a tower water conservancy equipment of decontaminating, still include fourth bearing 20 and sliding sleeve 21, the coaxial mounting of fourth bearing 20 is inside the shaft hole of tower reservoir 1 top, sliding sleeve 21 and the coaxial fit connection of fourth bearing 20, drive shaft 2 and sliding sleeve 21 cooperate the sliding connection; make drive shaft 2 and fourth bearing 20 location sliding connection through sliding sleeve 21, make drive shaft 2 rotate through fourth bearing 20 and fix a position, reduce work and rock, improve device job stabilization nature, increase device working strength, reduce and use the limitation.
The utility model relates to a tower-type water conservancy decontamination equipment, which also comprises a filter screen arranged at the rear end of the collecting tank 9; be provided with the filter screen through collecting vat 9 rear end and make impurity filter, the water source circulation of being convenient for improves impurity collection stability, reduces and uses the limitation.
The utility model relates to a tower-type water conservancy decontamination equipment, which also comprises a door arranged at the top end of the collecting tank 9; make the debris clearance degree of difficulty reduce through collecting vat 9 top door, improve device clearance work efficiency, reduce and use the limitation.
The utility model relates to a tower type water conservancy decontamination equipment, which also comprises a protection box 22, the rear end of the protection box 22 is arranged at the front end of the mounting beam 18, and power mechanisms are all positioned in the cavity of the protection box 22; the power mechanism is protected by the protection box 22, so that the transmission stability of the device is improved, and the use safety is improved.
The utility model discloses a tower type water conservancy decontamination equipment, which also comprises a rubber pad 23, wherein the top end of the rubber pad 23 is arranged at the bottom end of the driving shaft 2; carry out collision protection when making drive shaft 2 descend and contact with tower reservoir 1 diapire through rubber pad 23, improve device safety in utilization, reduce and use the limitation.
The utility model discloses a tower water conservancy equipment of decontaminating, it is at the during operation, at first laminate with 1 diapire of tower reservoir through height adjustment mechanism regulating roller brush 7 and collecting vat 9 height, later start the power unit circular telegram, then drive transmission shaft 4 through power unit and rotate and make 7 rotations of roller brush clean 1 diapire of tower reservoir, later drive shaft 2 through power unit and rotate and make 7 of roller brush revolute and make 1 whole ground of tower reservoir clear up, then the debris of clearance pass through 7 concentrated collections of roller brush, it can in time to clear up inside debris through high-speed adjusting device messenger collecting vat 9 position lift after the clearance is accomplished.
The installation mode, the connection mode or the arrangement mode of the tower type water conservancy sewage disposal equipment of the utility model are common mechanical modes, and the tower type water conservancy sewage disposal equipment can be implemented as long as the beneficial effects can be achieved; the utility model discloses a tower water conservancy equipment of decontaminating 11 and pneumatic cylinder 17 are purchase on the market, and this industry technical staff only need according to its subsidiary service instruction install and operate can.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A tower type water conservancy sewage disposal device comprises a tower type reservoir (1), wherein the upper end and the lower end of the tower type reservoir (1) are respectively provided with a water inlet and a water outlet; the device is characterized by further comprising a driving shaft (2), first bearings (3), a transmission shaft (4), driving conical teeth (5), second bearings (6), a roller brush (7), a driven conical gear (8), a collecting tank (9), a height adjusting mechanism and a power mechanism, wherein the height adjusting mechanism is installed at the top end of the tower type reservoir (1), the power mechanism is installed on the height adjusting mechanism, the driving shaft (2) is connected with the height adjusting mechanism in a matched and rotating mode, the driving shaft (2) penetrates through a shaft hole in the top end of the tower type reservoir (1) and extends into a cavity of the tower type reservoir (1), the transmission shaft (4) is installed inside a working cavity of the driving shaft (2) in a matched and rotating mode through the first bearings (3), the top end of the driving conical teeth (5) is coaxially installed at the bottom end of the transmission shaft (4), a mounting groove is formed in the left side society of the bottom end of the driving shaft (2), and the second bearings (6) are fixed inside the mounting groove of the driving shaft (2), roller brush (7) right-hand member is connected with second bearing (6) coaxial arrangement, driven bevel gear (8) left end coaxial arrangement is at roller brush (7) right-hand member, initiative toper tooth (5) are connected with driven bevel gear (8) meshing transmission, collecting vat (9) right-hand member is fixed in drive shaft (2) left end bottom, roller brush (7) and collecting vat (9) feed inlet cooperation installation, power unit provides rotation power for drive shaft (2) and transmission shaft (4) respectively.
2. The tower type water conservancy sewage disposal device of claim 1, wherein the power mechanism comprises a motor base (10), a double-shaft motor (11) and a first driving gear (12), first driven gear (13), second driving gear (14) and second driven gear (15), install on height adjustment mechanism top through motor cabinet (10) in biax motor (11), first driving gear (12) bottom coaxial arrangement is at biax motor (11) top output, first driven gear (13) bottom coaxial arrangement is on transmission shaft (4) top, first driving gear (12) are connected with first driven gear (13) meshing transmission, second driving gear (14) top coaxial arrangement is at biax motor (11) bottom output, second driven gear (15) coaxial fixation is on drive shaft (2) outer wall, second driving gear (14) are connected with second driven gear (15) meshing transmission.
3. The tower type water conservancy sewage disposal equipment of claim 2, wherein the height adjusting mechanism comprises a fixed seat (16), a hydraulic cylinder (17), a mounting beam (18) and a third bearing (19), the hydraulic cylinder (17) is mounted at the rear end of the tower type reservoir (1) through the fixed seat (16), the bottom end of the mounting beam (18) is mounted at the top end of the hydraulic cylinder (17), a mounting hole is formed in the front end of the mounting beam (18), the third bearing (19) is fixed in the mounting hole of the mounting beam (18) in a matched manner, the driving shaft (2) is connected with the third bearing (19) in a coaxial matched manner, and the rear end of the motor base (10) is mounted at the front end of the mounting beam (18).
4. The tower type water conservancy sewage disposal device of claim 3, further comprising a fourth bearing (20) and a sliding sleeve (21), wherein the fourth bearing (20) is coaxially installed inside a shaft hole at the top end of the tower type reservoir (1), the sliding sleeve (21) is coaxially matched and connected with the fourth bearing (20), and the driving shaft (2) is matched and slidably connected with the sliding sleeve (21).
5. The tower type water conservancy decontamination equipment of claim 4, further comprising a filter screen arranged at the rear end of the collecting tank (9).
6. A tower-type water conservancy decontamination apparatus as claimed in claim 5, further comprising a gate at the top of the collection tank (9).
7. The tower type water conservancy sewage disposal device of claim 6, further comprising a protection box (22), wherein the rear end of the protection box (22) is installed at the front end of the installation beam (18), and the power mechanisms are all located inside the cavity of the protection box (22).
8. A tower-type water conservancy decontamination apparatus as claimed in claim 7, further comprising a rubber pad (23), wherein the top end of the rubber pad (23) is mounted at the bottom end of the drive shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120530787.8U CN214695812U (en) | 2021-03-12 | 2021-03-12 | Tower type water conservancy sewage disposal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120530787.8U CN214695812U (en) | 2021-03-12 | 2021-03-12 | Tower type water conservancy sewage disposal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214695812U true CN214695812U (en) | 2021-11-12 |
Family
ID=78571095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120530787.8U Expired - Fee Related CN214695812U (en) | 2021-03-12 | 2021-03-12 | Tower type water conservancy sewage disposal equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214695812U (en) |
-
2021
- 2021-03-12 CN CN202120530787.8U patent/CN214695812U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211799249U (en) | Sewage treatment pond is with suspension rubbish fishing device | |
| CN214695812U (en) | Tower type water conservancy sewage disposal equipment | |
| CN103817608B (en) | A kind of Kitchen knife electric knife grinder | |
| CN211334076U (en) | Double-tube grooving machine | |
| CN213159948U (en) | Water-saving dust-settling device for construction site | |
| CN112844655A (en) | Reducing mechanism is used in domestic waste treatment | |
| CN201333763Y (en) | Concrete cutting machine | |
| CN210473206U (en) | High-efficient waste fitting discharging of hydraulic engineering | |
| CN111825290A (en) | River course ecological environment protects prosthetic devices | |
| CN111297246A (en) | French window glass scrubbing equipment | |
| CN110855223A (en) | Photovoltaic power generation board capable of realizing rapid maintenance and replacement | |
| CN206545511U (en) | A kind of drilling device being applied under complex geological condition | |
| CN214497123U (en) | Joint cutting device for road and bridge | |
| CN214880979U (en) | Integrated sewage treatment device powered by solar energy | |
| CN214360739U (en) | High-efficient sewage treatment degassing unit | |
| CN111322006B (en) | Building construction drilling equipment | |
| CN111980744B (en) | Coal mining that can scope of regulation by oneself adopts dust collector | |
| CN209886316U (en) | Processing cleaning equipment is used in sensor spare part production | |
| CN113713923B (en) | Water-saving cyclic utilization type household kitchen waste centralized treatment device | |
| CN220928008U (en) | High efficiency hydraulic engineering dredging equipment | |
| CN221030027U (en) | Rake type trash remover structure | |
| CN219327177U (en) | Municipal administration pipeline pull throughs | |
| CN211965356U (en) | Stripping device for soil remediation | |
| CN219308933U (en) | Building rubbish breaker that building engineering used | |
| CN220255629U (en) | Vegetable cleaning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211112 |