CN112177138A - Automatic drainage anti-overflow device of cistern based on water level changes - Google Patents
Automatic drainage anti-overflow device of cistern based on water level changes Download PDFInfo
- Publication number
- CN112177138A CN112177138A CN202011053243.3A CN202011053243A CN112177138A CN 112177138 A CN112177138 A CN 112177138A CN 202011053243 A CN202011053243 A CN 202011053243A CN 112177138 A CN112177138 A CN 112177138A
- Authority
- CN
- China
- Prior art keywords
- water level
- water
- gear plate
- gear
- automatic
- 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.)
- Withdrawn
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
Abstract
The invention provides an automatic water drainage anti-overflow device for a reservoir based on water level change, which comprises a main body, wherein a shell is arranged in the main body, an installation part is arranged on the top wall in the shell, a lifting and contracting rod is arranged on the lower side of the installation part, the lower end of the lifting and contracting rod is connected with a first gear plate, and a support bracket is fixedly arranged on the upper side of the first gear plate. This cistern automatic drainage anti-overflow device based on water level change, when rivers in load-bearing device reach the certain degree, the drain outlet department that the water level rose to set up on the adjustable fender, utilize the outlet to guide unnecessary water in the load-bearing device outwards, unnecessary rivers are then outwards discharged along drainage pipe through the outlet, thereby make the water level in the equipment remain throughout at suitable volume, the realization is based on the change of water level and is automatic with unnecessary water discharge, thereby make equipment prevent the outside effect that overflows of rivers when unmanned guard.
Description
Technical Field
The invention belongs to the technical field of drainage, and particularly relates to an automatic drainage anti-overflow device for a reservoir based on water level change.
Background
The impounding reservoir is a water storage facility which is constructed by artificial materials and has an anti-seepage effect, is an important rainwater accumulation important engineering facility, is lack of fresh water resources, and restricts social and economic development to a certain extent due to water body pollution and ecological deterioration.
Now, most water cisterns all can set up a outlet, carry out effective control to the water level according to the required retaining volume in pond, with keep the retaining volume at a suitable volume, and the too high corresponding some puzzlements of bringing of water level, the too high incident that also takes place easily of water level under the relative condition, current cistern all can set up an outlet, carry out the water yield of drainage in order to control the cistern through the outlet to the cistern, but traditional cistern outlet is usually through manual control, but manual control also can have some problems, can not in time carry out timely drainage to the cistern according to the water level, lead to rivers to spill over, thereby cause the emergence of incident.
Therefore, in view of the above, research and improvement are made on the existing structure and defects, and an automatic water drainage overflow prevention device for a reservoir based on water level change is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides an automatic water drainage anti-overflow device for a reservoir based on water level change, which is achieved by the following specific technical means:
an automatic water drainage anti-overflow device for a reservoir based on water level change comprises a main body, wherein a shell is arranged and installed inside the main body, an installation part is arranged and installed on the inner top wall of the shell, a telescopic rod is arranged and installed on the lower side of the installation part, the lower end of the telescopic rod is connected with a first gear plate, a support bracket is fixedly installed on the upper side of the first gear plate, a bearing device is fixedly installed on the upper end of the support bracket, the first gear plate is connected with a second gear plate through a driving gear in a meshing manner, a pulley is arranged and installed on the outer side of the second gear plate, a sliding assembly is arranged and installed on the inner wall of the shell, a sliding groove is formed in the sliding assembly, the pulley and the sliding groove are connected in a sliding fit manner, a fixed part is fixedly installed on the upper end of the second gear plate, and a, and a drainage pipeline is arranged on the outer side of the movable baffle plate and penetrates through the main body to be connected with the drainage connector.
Further, the mounting part is provided with a groove, a spring mechanism is arranged in the groove, the lower end of the spring mechanism is fixedly connected with a lifting and contracting rod, when the first gear plate moves downwards, the spring mechanism is pulled simultaneously to drive the lifting and contracting rod to move downwards together, and when the water flow of the bearing device is reduced, the spring mechanism pulls the first gear plate to return to the initial position.
Furthermore, gear strips are arranged on two sides of the first gear plate, and gear strips are arranged on one opposite side of the second gear plate and are conveniently connected with the driving gear in a meshed mode through the gear strips.
Furthermore, a rotating shaft is movably mounted at the middle shaft of the driving gear, bearings are movably connected to the front end and the rear end of the rotating shaft, the bearings are fixedly mounted on the inner wall of the shell, and the driving gear is convenient to mount by the aid of the rotating shaft and the bearings.
Furthermore, the inside of fixed part sets up installs buffer spring, buffer spring's upper end fixedly connected with adjustable fender passes through the driving gear and connects the second gear board upward movement of drive through the meshing to utilize fixed part to promote adjustable fender upward movement, utilize adjustable fender to block the rivers that will overflow.
Furthermore, a water outlet is formed in the movable baffle plate, and when the water level rises to the water outlet formed in the movable baffle plate, the water outlet is used for guiding the redundant water in the bearing device to the outside.
Furthermore, the drainage pipeline is provided with a hose, and redundant water flow is discharged outwards along the drainage pipeline through the drainage outlet, so that the water level in the equipment is always kept at a proper amount, and the effect of automatically discharging the redundant water based on the change of the water level is realized.
Advantageous effects
Compared with the prior art, the invention provides the automatic water drainage anti-overflow device for the reservoir based on the water level change, which has the following beneficial effects:
1. this cistern automatic drainage anti-overflow device based on water level change, when rivers in load-bearing device reach the certain degree, the drain outlet department that the water level rose to set up on the adjustable fender, utilize the outlet to guide unnecessary water in the load-bearing device outwards, unnecessary rivers are then outwards discharged along drainage pipe through the outlet, thereby make the water level in the equipment remain throughout at suitable volume, the realization is based on the change of water level and is automatic with unnecessary water discharge, thereby make equipment prevent the outside effect that overflows of rivers when unmanned guard.
2. This cistern automatic drainage anti-overflow device based on water level change, through adding water in the device constantly, make the weight that bears in the mechanism also at continuous increase, bear the mechanism and drive the support frame and push down, thereby drive first gear plate downstream, and first gear plate passes through the gear rack meshing and connects the driving gear, it rotates to drive the driving gear, the driving gear drives second gear plate upward movement through the meshing connection, thereby utilize fixed part to promote the adjustable fender upward movement, utilize adjustable fender to block the rivers that will overflow, thereby make equipment reach the effect that prevents rivers and spill over.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the kinematic structure of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the drive gear and bearing connection of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
FIG. 5 is an enlarged view of portion B of FIG. 1 in accordance with the present invention;
FIG. 6 is an enlarged view of portion C of FIG. 1 according to the present invention.
In the figure: 1. a main body; 2. a housing; 3. a mounting member; 4. a spring mechanism; 5. lifting and shrinking the rod; 6. a first gear plate; 7. a driving gear; 8. a second gear plate; 9. a rotating shaft; 10. a bearing; 11. a fixing member; 12. a buffer spring; 13. a movable baffle; 14. a support bracket; 15. a carrying device; 16. a water outlet; 17. a water discharge pipeline; 18. a water drainage interface; 19. a sliding assembly; 20. a chute; 21. a pulley.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in figures 1 to 6:
the invention provides an automatic water drainage anti-overflow device of a reservoir based on water level change, which comprises a main body 1, wherein a shell 2 is arranged inside the main body 1, an installation part 3 is arranged on the top wall inside the shell 2, a lifting and contracting rod 5 is arranged below the installation part 3, a groove is formed in the installation part 3, a spring mechanism 4 is arranged in the groove, the lower end of the spring mechanism 4 is fixedly connected with the lifting and contracting rod 5, when a first gear plate 6 moves downwards, the spring mechanism 4 is pulled at the same time to drive the lifting and contracting rod 5 to move downwards together, when the water flow of a bearing device 15 is reduced, the first gear plate 6 is pulled to the initial position through the spring mechanism 4, the lower end of the lifting and contracting rod 5 is connected with the first gear plate 6, gear strips are arranged on both sides of the first gear plate 6, and gear strips are arranged on one side opposite to two second gear plates 8, the gear rack is convenient to be meshed and connected with the driving gear 7 by arranging a gear strip, a rotating shaft 9 is movably arranged at the middle shaft of the driving gear 7, bearings 10 are movably connected at the front end and the rear end of the rotating shaft 9, the bearings 10 are fixedly arranged on the inner wall of the shell 2, the driving gear 7 is convenient to be installed by arranging the rotating shaft 9 and the bearings 10, a supporting bracket 14 is fixedly arranged at the upper side of the first gear plate 6, a bearing device 15 is fixedly arranged at the upper end of the supporting bracket 14, the first gear plate 6 is meshed and connected with a second gear plate 8 through the driving gear 7, a pulley 21 is arranged and installed at the outer side of the second gear plate 8, a sliding assembly 19 is arranged and installed on the inner wall of the shell 2, a sliding groove 20 is formed in the sliding assembly 19, the pulley 21 is connected with the sliding groove 20 in a sliding fit manner, a buffer spring 12 is arranged inside the fixed part 11, the upper end of the buffer spring 12 is fixedly connected with a movable baffle 13, the second gear plate 8 is driven to move upwards through the meshing connection of the driving gear 7, thereby utilizing the fixed part 11 to push the movable baffle 13 to move upwards, utilizing the movable baffle 13 to block the water flow to be overflowed, and the movable baffle 13 is provided with a water outlet 16, when the water level rises to the water outlet 16 arranged on the movable baffle 13, the water outlet 16 is used for guiding the redundant water in the bearing device 15 to the outside, the outer side of the movable baffle 13 is provided with a water drainage pipeline 17, the water drainage pipeline 17 penetrates through the main body 1 and is connected with a water drainage interface 18, the water drainage pipeline 17 is provided with a hose, the redundant water flow is discharged along the water drainage pipeline 17 through the water outlet 16 to the outside, thereby the water level in the equipment is always kept at a proper amount, and the effect of automatically discharging redundant water based on the change of the water level is realized.
The specific use mode and function of the embodiment are as follows:
the working principle is as follows: when in use, the automatic water drainage anti-overflow device for the reservoir based on water level change continuously adds water into the device, so that the water in the bearing device 15 is continuously increased, the weight in the bearing mechanism is continuously increased, the bearing mechanism drives the support bracket 14 to press downwards, so as to drive the first gear plate 6 to move downwards, meanwhile, the spring mechanism 4 is pulled, the telescopic rod 5 is driven to move downwards together, the first gear plate 6 is meshed with the driving gear 7 through the gear strip, so as to drive the driving gear 7 to rotate, the driving gear 7 drives the second gear plate 8 to move upwards through the meshed connection, so as to drive the movable baffle 13 to move upwards by using the fixed part 11, the movable baffle 13 is used for blocking the water flow to be overflowed, when the water flow in the bearing device 15 reaches a certain degree, the water level rises to the drainage port 16 arranged on the movable baffle 13, and the drainage port 16 is used for guiding the excessive water in the bearing device 15 to the outside, the excessive water flow is discharged outwards along the water discharge pipeline 17 through the water discharge port 16, so that the water level in the equipment is always kept at a proper amount, the excessive water is automatically discharged based on the change of the water level, and the effect of preventing the water flow from overflowing outwards when the equipment is unattended is achieved; and the equipment has simple structure and reasonable design.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (7)
1. The utility model provides a cistern automatic drainage anti-overflow device based on water level changes, includes main part (1), its characterized in that: the inner part of the main body (1) is provided with a shell (2), the inner top wall of the shell (2) is provided with an installation part (3), the lower side of the installation part (3) is provided with a telescopic rod (5), the lower end of the telescopic rod (5) is connected with a first gear plate (6), the upper side of the first gear plate (6) is fixedly provided with a support bracket (14), the upper end of the support bracket (14) is fixedly provided with a bearing device (15), the first gear plate (6) is engaged and connected with a second gear plate (8) through a driving gear (7), the outer side of the second gear plate (8) is provided with a pulley (21), the inner wall of the shell (2) is provided with a sliding assembly (19), the sliding assembly (19) is provided with a sliding chute (20), and the pulley (21) is connected with the sliding chute (20) in a sliding fit manner, the upper end fixed mounting of second gear board (8) has fixed part (11), the upside of fixed part (11) sets up installs adjustable fender (13), adjustable fender's (13) outside sets up installs drainage pipe (17), drainage pipe (17) run through main part (1) and are connected with drainage interface (18).
2. The automatic water discharge overflow preventing device for water storage tank based on water level variation as claimed in claim 1, wherein: the mounting component (3) is provided with a groove, a spring mechanism (4) is arranged in the groove, and the lower end of the spring mechanism (4) is fixedly connected with a telescopic rod (5).
3. The automatic water discharge overflow preventing device for water storage tank based on water level variation as claimed in claim 1, wherein: the two sides of the first gear plate (6) are provided with gear bars, and the two opposite sides of the second gear plate (8) are provided with gear bars.
4. The automatic water discharge overflow preventing device for water storage tank based on water level variation as claimed in claim 1, wherein: a rotating shaft (9) is movably mounted at the middle shaft of the driving gear (7), bearings (10) are movably connected to the front end and the rear end of the rotating shaft (9), and the bearings (10) are fixedly mounted on the inner wall of the shell (2).
5. The automatic water discharge overflow preventing device for water storage tank based on water level variation as claimed in claim 1, wherein: the inside setting of fixed part (11) is installed buffer spring (12), the upper end fixedly connected with adjustable fender (13) of buffer spring (12).
6. The automatic water discharge overflow preventing device for water storage tank based on water level variation as claimed in claim 1, wherein: the movable baffle (13) is provided with a water outlet (16).
7. The automatic water discharge overflow preventing device for water storage tank based on water level variation as claimed in claim 1, wherein: the drainage pipeline (17) is arranged to be a hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011053243.3A CN112177138A (en) | 2020-09-29 | 2020-09-29 | Automatic drainage anti-overflow device of cistern based on water level changes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011053243.3A CN112177138A (en) | 2020-09-29 | 2020-09-29 | Automatic drainage anti-overflow device of cistern based on water level changes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112177138A true CN112177138A (en) | 2021-01-05 |
Family
ID=73946791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011053243.3A Withdrawn CN112177138A (en) | 2020-09-29 | 2020-09-29 | Automatic drainage anti-overflow device of cistern based on water level changes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112177138A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982587A (en) * | 2021-03-23 | 2021-06-18 | 深圳市骏源瑞建材有限公司 | Water outlet device for regulating and controlling angle of discharge cock |
| CN112973215A (en) * | 2021-02-23 | 2021-06-18 | 玉良(山东)贸易有限公司 | Intelligent anti-overflow water treatment equipment based on horizontal plane change |
| CN113863432A (en) * | 2021-09-26 | 2021-12-31 | 浙江艺坤水泵科技有限公司 | High-integration unattended intelligent standard pump room |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101748913A (en) * | 2009-12-30 | 2010-06-23 | 安阳钢铁股份有限公司 | Automatic sewage disposal method of pool and sewage disposal system thereof |
| CN202544070U (en) * | 2012-04-10 | 2012-11-21 | 福建省西汉园林景观工程有限公司 | Overflow system for pools |
| CN204404576U (en) * | 2015-01-22 | 2015-06-17 | 王慕华 | Water tank water feeding anti-overflow switch |
| US9097390B1 (en) * | 2012-09-06 | 2015-08-04 | John M. Ward | Winery storm water protection system |
| CN205095482U (en) * | 2015-11-09 | 2016-03-23 | 中煤西安设计工程有限责任公司 | Go out mill weir device with adjustable be applied to regulation sedimentation tank |
| CN207062758U (en) * | 2017-08-03 | 2018-03-02 | 漳浦比速光电科技有限公司 | A kind of discharge structure of overpass storing water |
| CN207363000U (en) * | 2017-11-02 | 2018-05-15 | 宝鸡文理学院 | A kind of water-saving irrigation type cistern |
| CN208009599U (en) * | 2018-01-25 | 2018-10-26 | 嘉兴市欣欣仪器设备有限公司 | Laboratory experiment use in waste water treatment intelligence collecting-tank |
| CN209070380U (en) * | 2018-12-18 | 2019-07-05 | 启东市凯尔达电器有限公司 | A kind of simple automatic controlling device for water tank level |
| CN210238737U (en) * | 2019-06-19 | 2020-04-03 | 福建省山河药业有限公司 | Automatic drainage device with float switch for wastewater pool |
| CN210311841U (en) * | 2019-08-02 | 2020-04-14 | 郑州光阳印业有限公司 | Water tank of anti-overflow water |
| CN210439395U (en) * | 2019-05-23 | 2020-05-01 | 常州教泽信息技术有限公司 | Can avoid laboratory tank that water spilled over |
| CN111119322A (en) * | 2020-01-13 | 2020-05-08 | 四川贝克森云灌溉科技有限公司 | Overflow device and reservoir |
| CN210746649U (en) * | 2019-08-20 | 2020-06-16 | 罗红 | Automatic watering device with disinfection function for livestock breeding |
| KR102114600B1 (en) * | 2020-01-09 | 2020-06-17 | 씨앤씨주식회사 | Smart automatci control non-point pollution source reduction system with reinforced flow control and seismic performance |
| CN210947106U (en) * | 2019-11-08 | 2020-07-07 | 西北农林科技大学 | Floating ball type double-water-level automatic control and adjustment reservoir |
| CN211421353U (en) * | 2019-09-20 | 2020-09-04 | 淇净环保科技(江苏)有限公司 | Portable solar water storage device |
-
2020
- 2020-09-29 CN CN202011053243.3A patent/CN112177138A/en not_active Withdrawn
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101748913A (en) * | 2009-12-30 | 2010-06-23 | 安阳钢铁股份有限公司 | Automatic sewage disposal method of pool and sewage disposal system thereof |
| CN202544070U (en) * | 2012-04-10 | 2012-11-21 | 福建省西汉园林景观工程有限公司 | Overflow system for pools |
| US9097390B1 (en) * | 2012-09-06 | 2015-08-04 | John M. Ward | Winery storm water protection system |
| CN204404576U (en) * | 2015-01-22 | 2015-06-17 | 王慕华 | Water tank water feeding anti-overflow switch |
| CN205095482U (en) * | 2015-11-09 | 2016-03-23 | 中煤西安设计工程有限责任公司 | Go out mill weir device with adjustable be applied to regulation sedimentation tank |
| CN207062758U (en) * | 2017-08-03 | 2018-03-02 | 漳浦比速光电科技有限公司 | A kind of discharge structure of overpass storing water |
| CN207363000U (en) * | 2017-11-02 | 2018-05-15 | 宝鸡文理学院 | A kind of water-saving irrigation type cistern |
| CN208009599U (en) * | 2018-01-25 | 2018-10-26 | 嘉兴市欣欣仪器设备有限公司 | Laboratory experiment use in waste water treatment intelligence collecting-tank |
| CN209070380U (en) * | 2018-12-18 | 2019-07-05 | 启东市凯尔达电器有限公司 | A kind of simple automatic controlling device for water tank level |
| CN210439395U (en) * | 2019-05-23 | 2020-05-01 | 常州教泽信息技术有限公司 | Can avoid laboratory tank that water spilled over |
| CN210238737U (en) * | 2019-06-19 | 2020-04-03 | 福建省山河药业有限公司 | Automatic drainage device with float switch for wastewater pool |
| CN210311841U (en) * | 2019-08-02 | 2020-04-14 | 郑州光阳印业有限公司 | Water tank of anti-overflow water |
| CN210746649U (en) * | 2019-08-20 | 2020-06-16 | 罗红 | Automatic watering device with disinfection function for livestock breeding |
| CN211421353U (en) * | 2019-09-20 | 2020-09-04 | 淇净环保科技(江苏)有限公司 | Portable solar water storage device |
| CN210947106U (en) * | 2019-11-08 | 2020-07-07 | 西北农林科技大学 | Floating ball type double-water-level automatic control and adjustment reservoir |
| KR102114600B1 (en) * | 2020-01-09 | 2020-06-17 | 씨앤씨주식회사 | Smart automatci control non-point pollution source reduction system with reinforced flow control and seismic performance |
| CN111119322A (en) * | 2020-01-13 | 2020-05-08 | 四川贝克森云灌溉科技有限公司 | Overflow device and reservoir |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112973215A (en) * | 2021-02-23 | 2021-06-18 | 玉良(山东)贸易有限公司 | Intelligent anti-overflow water treatment equipment based on horizontal plane change |
| CN112982587A (en) * | 2021-03-23 | 2021-06-18 | 深圳市骏源瑞建材有限公司 | Water outlet device for regulating and controlling angle of discharge cock |
| CN113863432A (en) * | 2021-09-26 | 2021-12-31 | 浙江艺坤水泵科技有限公司 | High-integration unattended intelligent standard pump room |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112177138A (en) | Automatic drainage anti-overflow device of cistern based on water level changes | |
| CN210177656U (en) | Water flow control system for urban drainage | |
| CN210032059U (en) | Flow regulating valve device | |
| CN209339114U (en) | A kind of garbage floating on water surface collector | |
| CN211817483U (en) | Automatic rainwater shunting and filtering bucket for building | |
| CN214695470U (en) | Small-size water conservancy check floodgate structure | |
| CN215977180U (en) | Water conservancy water and electricity dam water inlet floater cleaning device | |
| CN215833062U (en) | Automatic precipitation sample collection device for environmental monitoring | |
| CN110863554A (en) | Hybrid renewable energy power supply device | |
| CN117431981B (en) | Foundation pit drainage structure and construction method thereof | |
| CN211948299U (en) | Lifting gate for hydraulic engineering | |
| CN220377487U (en) | Flow limiting device for intercepting well | |
| CN220132855U (en) | Water conservancy gate with double-drainage-port mechanism | |
| CN113152648A (en) | River is administered and is salvaged mechanism with rubbish | |
| CN220704718U (en) | Seepage-proof reservoir for hydraulic engineering | |
| CN216615748U (en) | Hydraulic engineering gate device | |
| CN215594228U (en) | A prevent stifled cistern for hydraulic engineering | |
| CN218911305U (en) | Lifting type water conservancy gate | |
| CN217948985U (en) | Clear workstation that floats of river course surface of water | |
| CN217974582U (en) | Deep basal pit rainwater regulation pond | |
| CN214460998U (en) | Rainwater and sewage diversion intercepting well achieving automatic control through buoyancy | |
| CN113632662B (en) | Building drainage device and method | |
| CN218991429U (en) | Waterproof device for underground parking garage | |
| CN216040950U (en) | Hydraulic engineering is with high-efficient automatic flood discharge device | |
| CN217342471U (en) | Support structure of solar cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210105 |