CN111335107A - Drainage system for municipal administration highway - Google Patents
Drainage system for municipal administration highway Download PDFInfo
- Publication number
- CN111335107A CN111335107A CN202010113328.XA CN202010113328A CN111335107A CN 111335107 A CN111335107 A CN 111335107A CN 202010113328 A CN202010113328 A CN 202010113328A CN 111335107 A CN111335107 A CN 111335107A
- Authority
- CN
- China
- Prior art keywords
- box
- drainage system
- water
- drainage
- filter
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000004140 cleaning Methods 0.000 claims abstract description 22
- 238000005086 pumping Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000004888 barrier function Effects 0.000 claims description 2
- 241000196324 Embryophyta Species 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 241000220317 Rosa Species 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/227—Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention relates to the technical field of municipal drainage systems, in particular to a drainage system for a municipal highway, which is characterized in that when the drainage system for the municipal highway is used, rainwater is filtered through a filter box and a filter cylinder, so that leaves and weeds are effectively prevented from entering a drainage pipeline, the normal operation of the drainage system is ensured, meanwhile, through the cooperation of a water level meter and a central processing unit, when the water level in a drainage tank reaches a certain value, a water pump is started to pump and drain water, manual operation is not needed, drainage is timely, and the drainage system is automatically closed when the water level is lower, so that the consumption of energy is reduced; the drainage channel is arranged in the middle of the roadbed; the solar water heater further comprises a power box, a storage battery, a water pump, a water pumping pipe, a drain pipe, a filter box, a box cover, a support, a solar panel, a filter cylinder, a rear sliding hole, a rear pull rod, a front sliding hole, a front pull rod, a cleaning ring and a cleaning brush.
Description
Technical Field
The invention relates to the technical field of municipal drainage systems, in particular to a drainage system for a municipal road.
Background
As is well known, a drainage system for a municipal road is an auxiliary device for draining excessive rainwater and the like of the road in the weather of heavy rain and the like in municipal road engineering, reducing accumulated water and water damage, and is widely used in the field of municipal drainage systems; current drainage system for town road is when using, because be mingled with the great volume debris such as a large amount of leaves and weeds in the rainwater, lead to water pump, drain pipe etc. to block up easily, influence drainage system's normal operating, and current drainage system mostly needs manual operation, is difficult to automatic operation, and adaptability is relatively poor.
Disclosure of Invention
In order to solve the technical problems, the invention provides the drainage system for the municipal road, which effectively prevents the bottom color of the drainage pipe and the water pump, has good operation and can automatically operate according to actual conditions.
The invention discloses a drainage system for a municipal road, which comprises a roadbed and a drainage groove, wherein the drainage groove is arranged in the middle of the roadbed; the electric power box is arranged in the middle of the roadbed and positioned on the left side of a drainage groove, the storage battery is arranged on the left side inside the electric power box, the water pump is fixedly arranged on the right side inside the electric power box, the water pumping pipe is arranged at the top of the water pump, the right part of the water pumping pipe is inserted into the drainage groove, the drainage pipe is arranged at the bottom of the water pump and penetrates out of the electric power box, the filter box is arranged at the bottom of the drainage groove, the filter box is fixedly arranged inside the filter box, the right part of the water pumping pipe is inserted into the filter box and communicated with the filter cylinder, the cleaning ring is sleeved on the middle part of the filter box, the cleaning brush is fixedly arranged at the inner end of the filter ring and is in contact with the outer end of the filter box, the rear sliding hole is arranged at the rear part of the filter box, the rear pull rod is fixedly arranged at the rear part of the cleaning ring and extends out of the filter box from the rear sliding hole, the front sliding hole is formed in the front portion of the filter box, the front pull rod is fixedly arranged on the front portion of the cleaning ring and stretches out of the filter box from the front sliding hole, the support box cover is arranged on the top of the power box, the support is fixedly arranged on the top of the box cover, the solar panel is arranged on the top of the support and is electrically connected with the storage battery, the central processing unit is arranged inside the power box, the water level gauge is arranged in the middle of the water drainage groove, and the water level gauge is electrically connected with.
The drainage system for the municipal highway further comprises a positioning rod, wherein a guide groove is formed in the top end of the interior of the filter box, the positioning rod is fixedly arranged at the top of the cleaning ring, and the top of the positioning rod is located in the guide groove and can slide left and right.
The invention relates to a drainage system for a municipal road, which further comprises a grid plate arranged on the wall of a filter box.
The invention relates to a drainage system for a municipal road, which further comprises a rear handle and a front handle, wherein the rear handle is arranged at the rear part of a rear pull rod, and the front handle is arranged at the front part of a front pull rod.
The drainage system for the municipal highway further comprises a sealing gasket, wherein the sealing gasket is arranged at the bottom of the box cover, and the bottom end of the sealing gasket is in sealing contact with the top of the power box.
The invention relates to a drainage system for a municipal road, which further comprises a fixing pin, wherein the bottom of the fixing pin penetrates through a box cover from the top of the box cover and is inserted into the top of an electric box.
The invention discloses a drainage system for a municipal road, which further comprises a protective cover, wherein the protective cover is covered outside a storage battery.
The invention relates to a drainage system for a municipal road.
Compared with the prior art, the invention has the beneficial effects that: when using drainage system for the town road, filter the rainwater through rose box and strain a section of thick bamboo, effectively prevent the leaf, in weeds get into drainage pipe, guarantee drainage system normal operating, simultaneously through fluviograph and central processing unit cooperation, when the water level in the water drainage tank reaches a definite value, start the water pump and take out the drainage, do not need artifical manually operation, the drainage is timely, and self-closing when the water level is lower reduces the consumption of the energy.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the internal structure of the filtration tank of the present invention;
FIG. 3 is a left side schematic view of the internal structure of the filtration tank of the present invention;
FIG. 4 is a schematic view of the wall of a filter box of the present invention;
in the drawings, the reference numbers: 1. a roadbed; 2. a water discharge tank; 3. an electric power box; 4. a storage battery; 5. a water pump; 6. a water pumping pipe; 7. a drain pipe; 8. a filter box; 9. a box cover; 10. a support; 11. a solar panel; 12. a filter cartridge; 13. a rear slide hole; 14. a rear pull rod; 15. a front slide hole; 16. a front pull rod; 17. cleaning a ring; 18. cleaning a brush; 19. positioning a rod; 20. a rear handle; 21. a front handle; 22. a gasket; 23. a fixing pin; 24. a protective cover.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with 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, a drainage system for a town road according to the present invention includes a roadbed 1 and a drainage channel 2 provided in the middle of the roadbed 1; the device is characterized by further comprising an electric box 3, a storage battery 4, a water pump 5, a water pumping pipe 6, a water discharging pipe 7, a filter box 8, a box cover 9, a support 10, a solar panel 11, a filter cylinder 12, a rear sliding hole 13, a rear pull rod 14, a front sliding hole 15, a front pull rod 16, a cleaning ring 17 and a cleaning brush 18, wherein the electric box 3 is arranged in the middle of the roadbed 1 and positioned on the left side of a water discharging groove, the storage battery 4 is arranged on the left side of the inside of the electric box 3, the water pump 5 is fixedly arranged on the right side of the inside of the electric box 3, the water pumping pipe 6 is arranged on the top of the water pump 5, the right part of the water pumping pipe 6 is inserted into the water discharging groove, the water discharging pipe 7 is arranged at the bottom of the water pump 5 and penetrates out of the electric box 3, the filter box 8 is arranged at the bottom of the water discharging groove, the filter cylinder 12 is fixedly arranged in the inside of the filter box 8, the right part, the rear sliding hole 13 is arranged at the rear part of the filter box 8, the rear pull rod 14 is fixedly arranged at the rear part of the cleaning ring 17 and extends out of the filter box 8 from the rear sliding hole 13, the front sliding hole 15 is arranged at the front part of the filter box 8, the front pull rod 16 is fixedly arranged at the front part of the cleaning ring 17 and extends out of the filter box 8 from the front sliding hole 15, the support 10 and the box cover 9 are arranged at the top part of the power box 3, the support 10 is fixedly arranged at the top part of the box cover 9, the solar panel 11 is arranged at the top part of the support 10 and is electrically connected with the storage battery 4, the central processing unit is arranged inside the power box 3, the water level meter is arranged; when using drainage system for the town road, filter the rainwater through rose box and strain a section of thick bamboo, effectively prevent the leaf, in weeds get into drainage pipe, guarantee drainage system normal operating, simultaneously through fluviograph and central processing unit cooperation, when the water level in the water drainage tank reaches a definite value, start the water pump and take out the drainage, do not need artifical manually operation, the drainage is timely, and self-closing when the water level is lower reduces the consumption of the energy.
The drainage system for the municipal highway further comprises a positioning rod 19, a guide groove is formed in the top end of the interior of the filter box 8, the positioning rod 19 is fixedly arranged at the top of the cleaning ring 17, and the top of the positioning rod 19 is located in the guide groove and can slide left and right.
The invention relates to a drainage system for a municipal road, which further comprises a grid plate arranged on the wall of the filter box 8.
The drainage system for the municipal roads further comprises a rear handle 20 and a front handle 21, wherein the rear handle 20 is arranged at the rear part of the rear pull rod 14, and the front handle 21 is arranged at the front part of the front pull rod 16; the cleaning brush can be conveniently pulled to clean the filter cylinder through the rear handle and the front handle.
The drainage system for the municipal highway further comprises a sealing gasket 22, wherein the sealing gasket 22 is arranged at the bottom of the box cover 9, and the bottom end of the sealing gasket is in sealing contact with the top of the power box 3; the electric box is sealed by a sealing gasket.
The drainage system for the municipal road further comprises a fixing pin 23, wherein the bottom of the fixing pin 23 penetrates through the box cover 9 from the top of the box cover 9 and is inserted into the top of the power box 3; the case cover is fixed through the fixing pin.
The drainage system for the municipal road further comprises a protective cover 24, wherein the protective cover 24 is covered outside the storage battery 4; the storage battery is protected by the protective cover.
The invention relates to a drainage system for a municipal road.A waterproof layer is arranged in an electric power box 3; prevent the rainwater infiltration electric power incasement through the water barrier.
When the drainage system for the municipal roads is used, rainwater is filtered through the filter box and the filter cartridge, leaves and weeds are effectively prevented from entering a drainage pipeline, normal operation of the drainage system is guaranteed, meanwhile, the water level meter is matched with the central processing unit, when the water level in the drainage tank reaches a certain value, the water pump is started to pump and drain water, manual operation is not needed, drainage is timely, the drainage system is automatically closed when the water level is low, energy consumption is reduced, and the drainage system is moved to a position required by a user before the actions are completed.
According to the drainage system for the municipal road, the installation mode, the connection mode or the arrangement mode of all the components are common mechanical modes, and the specific structures, models and coefficient indexes of all the components are self-contained technologies, so long as the beneficial effects can be achieved, the implementation can be carried out, and further description is omitted.
In a municipal drainage system according to the invention, unless otherwise specified, the terms "upper, lower, left, right, front, rear, inner, outer, and vertical and horizontal" are used to indicate only the orientation of the term in the normal use, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several 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 drainage system for a municipal highway comprises a roadbed (1) and a drainage groove (2), wherein the drainage groove is formed in the middle of the roadbed (1); the device is characterized by further comprising an electric box (3), a storage battery (4), a water pump (5), a water pumping pipe (6), a water draining pipe (7), a filter box (8), a box cover (9), a support (10), a solar panel (11), a filter cylinder (12), a rear sliding hole (13), a rear pull rod (14), a front sliding hole (15), a front pull rod (16), a cleaning ring (17) and a cleaning brush (18), wherein the electric box (3) is arranged in the middle of the roadbed (1) and positioned on the left side of the water draining groove, the storage battery (4) is arranged on the left side inside the electric box (3), the water pump (5) is fixedly arranged on the right side inside the electric box (3), the water pumping pipe (6) is arranged on the top of the water pump (5), the right part of the water pumping pipe (6) is inserted into the water draining groove, the water draining pipe (7) is arranged on the bottom of the water pump (5) and penetrates out of the, the filter cartridge (12) is fixedly arranged inside the filter box (8), the right part of the water pumping pipe (6) is inserted into the filter box (8) and is communicated with the filter cartridge (12), the cleaning ring (17) is arranged at the middle part of the filter cartridge (12) in a sleeved mode, the cleaning brush (18) is fixedly arranged at the inner end of the filter ring and is contacted with the outer end of the filter cartridge (12), the rear sliding hole (13) is arranged at the rear part of the filter box (8), the rear pull rod (14) is fixedly arranged at the rear part of the cleaning ring (17) and extends out of the filter box (8) from the rear sliding hole (13), the front sliding hole (15) is arranged at the front part of the filter box (8), the front pull rod (16) is fixedly arranged at the front part of the cleaning ring (17) and extends out of the filter box (8) from the front sliding hole (15), the bracket (10) is arranged at the top of the power box (3), the bracket (10) is fixedly arranged at the top of the box cover (9), the solar panel (11) is arranged at, the power box (3) is internally provided with a central processing unit, the middle part of the drainage tank is provided with a water level meter, and the water level meter is electrically connected with the central processing unit.
2. The drainage system for the municipal road according to claim 1, further comprising a positioning rod (19), wherein a guide groove is formed in the top end of the interior of the filter tank (8), the positioning rod (19) is fixedly arranged at the top of the cleaning ring (17), and the top of the positioning rod (19) is positioned in the guide groove and can slide left and right.
3. A municipal drainage system according to claim 2, wherein the wall of the filter box (8) is a grid.
4. A municipal drainage system according to claim 3, further comprising a rear handle (20) and a front handle (21), wherein the rear handle (20) is provided at the rear of the rear stay (14) and the front handle (21) is provided at the front of the front stay (16).
5. A drainage system for town roads according to claim 4, further comprising a gasket (22), wherein the gasket (22) is provided at the bottom of the cover (9), and the bottom end of the gasket is in sealing contact with the top of the electric tank (3).
6. A drainage system for town roads according to claim 5, further comprising a fixing pin (23), wherein the bottom of the fixing pin (23) is inserted from the top of the cover (9) through the cover (9) and into the top of the electric box (3).
7. A municipal drainage system according to claim 6, further comprising a protective cover (24), wherein the protective cover (24) covers the outside of the battery (4).
8. A municipal drainage system according to claim 7, wherein the inside of the electric box (3) is provided with a water barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010113328.XA CN111335107A (en) | 2020-02-24 | 2020-02-24 | Drainage system for municipal administration highway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010113328.XA CN111335107A (en) | 2020-02-24 | 2020-02-24 | Drainage system for municipal administration highway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111335107A true CN111335107A (en) | 2020-06-26 |
Family
ID=71179653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010113328.XA Pending CN111335107A (en) | 2020-02-24 | 2020-02-24 | Drainage system for municipal administration highway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111335107A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833642A (en) * | 2021-09-18 | 2021-12-24 | 安徽声谷智能科技有限公司 | Hydraulic control system based on hydraulic pump performance test |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101363853B1 (en) * | 2012-04-03 | 2014-02-18 | 금오공과대학교 산학협력단 | The rainwater reuse system in a structure |
| KR20140026931A (en) * | 2012-08-24 | 2014-03-06 | 최용덕 | Rainwater management use system |
| CN108759101A (en) * | 2018-06-06 | 2018-11-06 | 杨正发 | A kind of farming and animal husbandry energy saving scale water intelligent heating system |
| CN109577418A (en) * | 2018-10-08 | 2019-04-05 | 贵州瑞泰实业有限公司 | A kind of rainwater recycle utilizes system and method |
| CN209123459U (en) * | 2018-11-02 | 2019-07-19 | 周涛 | A kind of water process purificating raw water device |
| CN110397149A (en) * | 2019-08-03 | 2019-11-01 | 东莞市金建达建筑有限公司 | A kind of municipal drainage system |
-
2020
- 2020-02-24 CN CN202010113328.XA patent/CN111335107A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101363853B1 (en) * | 2012-04-03 | 2014-02-18 | 금오공과대학교 산학협력단 | The rainwater reuse system in a structure |
| KR20140026931A (en) * | 2012-08-24 | 2014-03-06 | 최용덕 | Rainwater management use system |
| CN108759101A (en) * | 2018-06-06 | 2018-11-06 | 杨正发 | A kind of farming and animal husbandry energy saving scale water intelligent heating system |
| CN109577418A (en) * | 2018-10-08 | 2019-04-05 | 贵州瑞泰实业有限公司 | A kind of rainwater recycle utilizes system and method |
| CN209123459U (en) * | 2018-11-02 | 2019-07-19 | 周涛 | A kind of water process purificating raw water device |
| CN110397149A (en) * | 2019-08-03 | 2019-11-01 | 东莞市金建达建筑有限公司 | A kind of municipal drainage system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833642A (en) * | 2021-09-18 | 2021-12-24 | 安徽声谷智能科技有限公司 | Hydraulic control system based on hydraulic pump performance test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106638917B (en) | Split type rainwater recycling, storing and adjusting system and construction method thereof | |
| CN205024981U (en) | Light -duty rainwater in environmental protection roof is collected and is utilized device | |
| CN103291017A (en) | Rotation-type automatic flow-abandon-type rainwater collecting and utilizing system and installation method thereof | |
| CN111335107A (en) | Drainage system for municipal administration highway | |
| KR20110072559A (en) | Artificial cultivation system of collected rainwater | |
| CN216339821U (en) | Rainwater water storage device | |
| GB2476281A (en) | Gutter and downpipe rainwater collection and storage | |
| CN210127534U (en) | Sponge is inspection shaft lid for city | |
| CN213013738U (en) | Sponge city water storage device | |
| CN212926160U (en) | Cable well and pressure flow automatic drainage device thereof | |
| CN218881037U (en) | Sponge urban rainwater collection device | |
| CN219451006U (en) | Rainwater grate capable of preventing garbage from entering for road drainage | |
| CN218479207U (en) | Underground outdoor wall structure | |
| CN219732239U (en) | Municipal road energy-saving drainage device | |
| CN220266770U (en) | Road drainage structure for preventing drainage pipeline from being blocked | |
| CN220598936U (en) | Eave drainage and water collection structure for building design | |
| CN211713990U (en) | Building engineering waterproof construction | |
| CN221030420U (en) | Integrated house rainwater collection device | |
| CN215670011U (en) | Sponge city regulation and storage structure | |
| CN214574304U (en) | Device for collecting surface water and storing and recycling underground water | |
| CN103074917B (en) | Rainwater collection and utilization device | |
| CN210946977U (en) | House environmental protection water saving system | |
| CN216379838U (en) | Sponge urban drainage system | |
| CN219080472U (en) | Rainwater collecting device | |
| CN212138727U (en) | Rainwater collection device for ecological city |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200626 |
|
| RJ01 | Rejection of invention patent application after publication |