CN110512711B - Hidden type odor-resistant gutter inlet - Google Patents
Hidden type odor-resistant gutter inlet Download PDFInfo
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- CN110512711B CN110512711B CN201910854136.1A CN201910854136A CN110512711B CN 110512711 B CN110512711 B CN 110512711B CN 201910854136 A CN201910854136 A CN 201910854136A CN 110512711 B CN110512711 B CN 110512711B
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- cover plate
- rainwater
- microprocessor
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- rainfall
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0405—Gullies for use in roads or pavements with an odour seal
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
Abstract
The invention discloses a hidden type odor-resistant gutter inlet which comprises a box body, wherein the left half part of the box body is provided with a rainwater inflow port, the right half part of the box body is provided with a control part accommodating cavity, a plurality of longitudinal sleeves are arranged along the circumferential direction of the inner side wall of the rainwater inflow port, a rod body sleeved in each sleeve is connected in each sleeve through a spring, each rod body is connected with a cover plate, the lower surface of each cover plate is provided with a fixed end, the fixed end is connected with one end of a guy cable, the other end of the guy cable is connected with a guy cable winding wheel, the guy cable winding wheel is connected with an output shaft of a stepping motor, a microprocessor of the stepping motor; step motor, microprocessor and intelligence lock all are connected with the power module electricity, and power module is connected with town road power supply system electricity. The invention can be hidden under the road surface, can prevent odor and garbage accumulation, and can be automatically opened to quickly drain rainwater in rainy days.
Description
Technical Field
The invention relates to the field of municipal road construction, in particular to a hidden type odor-resistant gutter inlet.
Background
When rainstorm comes in summer, urban waterlogging often occurs in part of low-lying road sections of cities, and the catchment area of a rainwater port is increased due to the fact that the catchment amount of the rainwater port is increased compared with the original amount of rainwater during rainfall, which exceeds the original designed flow; in addition, the rainwater inlet is easy to collect a large amount of garbage and sundries, so that the rainwater inlet is blocked, and rainfall cannot be quickly removed. For the reasons, when heavy rainfall causes serious water accumulation on the ground, people often see that the surface water accumulation is quickly discharged completely after pipeline maintenance personnel open a rainwater port or a rainwater inspection well, and some rainwater ports cannot be found smoothly due to the fact that the accumulated water is too deep, so that the rainwater inspection well is difficult to open in time and can only be touched at two sides of a road, and the rainwater inspection well is inconvenient; in addition, the opened rainwater inlet and the rainwater inspection well can also bring potential safety hazards, and particularly, the rainwater inspection well is opened when water is drained in a rainwater day.
The purpose that road inlet for stom water set up is in order to can discharge away road ponding fast when the rainfall, consequently for the function of the adaptation rainwater of getting rid of and walking, road inlet for stom water and road ground material set up inconsistent, also influenced road pleasing to the eye to a certain extent. In addition, some sections of urban areas still have the phenomenon of rainwater and sewage pipeline mixed connection, and some sections are provided with catering sections, and some vendors pour leftovers and other garbage into the rainwater inlet at night, so that the rainwater inlet is inverted to form an odor outlet, and the environmental sanitation of the periphery is seriously influenced. Therefore, it is necessary to invent a novel rainwater drainage port which can be hidden under the road surface to prevent odor and garbage accumulation in sunny days and can be automatically opened to quickly drain rainwater in rainy days.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a hidden type odor-resistant rainwater port which is hidden under the road surface in sunny days, can prevent odor and garbage from accumulating, and can be automatically opened to quickly drain rainwater in rainy days.
The technical scheme of the invention is as follows: a hidden deodorization type rainwater inlet comprises a box body which is embedded below the ground at a water inlet of an underground drainage pipeline, the left half part of the box body is provided with a rainwater inlet, the right half part of the box body is provided with a control part accommodating cavity, the rainwater inlet is communicated with a water inlet of the underground drainage pipeline, a plurality of longitudinal sleeves are arranged along the circumferential direction of the inner side wall of the rainwater inlet, each sleeve is internally provided with a longitudinal spring, the lower end of each spring is connected with the lower end inside the sleeve, the upper end of each spring is connected with the lower end of a longitudinal rod body, each rod body is sleeved in the corresponding sleeve, the upper end of each rod body is connected with a cover plate used for covering the rainwater inlet in sunny days, the central position of the lower surface of the cover plate is provided with a fixed end, the fixed end is connected with one end of a inhaul cable, the other end of the inhaul cable is, the stepping motor is fixed in the control part accommodating cavity and is in signal connection with a microprocessor arranged in the control part accommodating cavity, the microprocessor is also in signal connection with a rainwater detector and an intelligent lock respectively, the rainwater detector is arranged on the upper surface of the control part accommodating cavity, a lock body of the intelligent lock is arranged at the upper end of the inner part of the control part accommodating cavity, a lock catch of the intelligent lock is arranged on the lower surface of the cover plate, and the cover plate covered on a rainwater inflow port can be locked through the lock body and the lock catch; the stepping motor, the microprocessor and the intelligent lock are all electrically connected with a power module arranged in the control part accommodating cavity, and the power module is electrically connected with a municipal road power supply system; the rain detector is used for detecting rainfall and sending the detected rainfall to the microprocessor in real time; the microprocessor is used for receiving the rainfall in real time, comparing the received rainfall with a rainfall setting value in real time, sending an unlocking command to the intelligent lock by the microprocessor when the received rainfall is greater than the rainfall setting value, sending a cable loosening and rotating command to the stepping motor at the same time, and sending a cable tightening and rotating command to the stepping motor when the rainfall received by the microprocessor becomes smaller than the rainfall setting value and reaches a set rainfall difference value; the intelligent lock is used for executing an unlocking command after receiving the unlocking command, and locking the lock body and the lock catch together at the moment when the cover plate covers the rainwater inflow port; the step motor is used for executing the rotation action corresponding to cable loosening after receiving the cable loosening rotation command and executing the rotation action corresponding to cable tightening after receiving the cable tightening rotation command; when the cable is loosened, each rod body rises upwards under the action of the corresponding spring force and drives the cover plate to rise upwards, so that the rainwater inflow port is opened, when the cable is tightened, the cover plate is pulled downwards by the cable to cover the rainwater inflow port, and meanwhile, the lock body and the lock catch of the intelligent lock are locked together, and finally the cover plate is locked on the rainwater inflow port.
The lower surface of the cover plate is also provided with a camera which is in signal connection with a microprocessor, the microprocessor is also in signal connection with a wireless communication module, and the wireless communication module is in wireless communication connection with a host of a municipal road management center and a handheld terminal of a cleaner respectively; the camera is used for shooting images inside the rainwater inflow port and sending the shot images to a host computer and a cleaner handheld terminal of the municipal road management center through the wireless communication module; host computer and the handheld terminal of cleaners at town road management center all can pass through wireless communication module control microprocessor sends the command of unblanking, the cable is relaxed and is rotated the command and the cable is tightened up and rotate the command to control that can be free opening of apron, so that the inside rubbish that accumulates of clearance rainwater inflow entrance.
The lateral wall inside the rainwater inflow inlet is provided with a transverse supporting rod, the transverse supporting rod is provided with a guy cable steering wheel, and the guy cable is vertically led out downwards from the cover plate, bypasses the guy cable steering wheel, changes the rear direction into the horizontal direction and is connected with the guy cable winding wheel.
The control component is provided with an access hole in the upper surface of the accommodating cavity, the access hole is used for replacement or maintenance of the power module and maintenance of the stepping motor, the power module is a rechargeable battery, the rechargeable battery is also electrically connected with the solar panel, and the solar panel is arranged on the upper surface of the accommodating cavity of the control component or is arranged on the roadside through a support.
The lower surface of the edge of the cover plate is also provided with a plurality of longitudinal intercepting rods distributed along the circumferential direction of the cover plate, and the intercepting rods are used for intercepting large sundries in rainy days to prevent the large sundries from entering a drainage pipeline.
4 rainwater detectors are arranged on the box body in the circumferential direction around the cover plate, and when the rainwater flow detected by one rainwater detector received by the microprocessor is smaller than the rainwater flow detected by the other rainwater detectors and is lower than a set rainwater flow difference value in rainy days, the microprocessor controls the prompting device to prompt; the prompting device is arranged on the upper surface of the cover plate, and is an LED flashing alarm lamp which plays a role in prompting a cleaner to clean; lie in on the apron still be equipped with the fluorescent layer around the LED scintillation alarm lamp, play and make things convenient for the cleanup crew to find and carry out the periodic overhaul to and the effect of suggestion pedestrian at night.
And rubber sealing rings surrounding the circumference of the side wall of the corresponding rod body are arranged on inlets at the upper ends of the sleeves.
The upper surface of the cover plate is paved with a decorative layer which is made of the same material as the surrounding pavement.
The invention has the beneficial effects that: the embodiment of the invention provides a hidden type odor-resistant gutter inlet, wherein the whole gutter inlet is manufactured into an integral structure in a box body integration mode, and is convenient to install on the ground at the water inlet of an underground drainage pipeline. The invention can be hidden under the road surface, can prevent odor and garbage accumulation, can be automatically opened to quickly drain rainwater in rainy days, and can be installed by only fixing the underground water inlet pipe under the ground to connect the rainwater inlet with the water inlet of the underground drainage pipe and connecting the power supply module with the municipal road for power supply.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a block diagram of the electrical system connection of the present invention.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
Referring to fig. 1 and 2, an embodiment of the present invention provides a hidden deodorization type gutter inlet, including a box body 1 embedded below the ground at a water inlet of an underground drainage pipe, a left half portion of the box body 1 is a rainwater inlet, a right half portion of the box body 1 is a control component accommodating chamber, the rainwater inlet is communicated with an inlet of the underground drainage pipe, when raining, water flows into the rainwater inlet along a water flow direction 12 shown in fig. 1, a plurality of longitudinal sleeves 9 are arranged along a circumferential direction of an inner side wall of the rainwater inlet, a longitudinal spring 8 is arranged in each sleeve 9, a lower end of each spring 8 is connected with a lower end inside the sleeve 9, an upper end of each spring is connected with a lower end of a longitudinal rod 11, each rod 11 is sleeved in the corresponding sleeve 9, an upper end of each rod 11 is connected with a cover plate 13 for covering the rainwater inlet in sunny days, a fixed end 15 is arranged at the center of the lower surface of the cover plate 13, the fixed end 15 is connected with one end of a stay cable 21, the other end of the stay cable 21 is connected with a stay cable winding wheel 22, the stay cable winding wheel 22 is connected with an output shaft of a stepping motor 3, the stepping motor 3 is fixed in the control part accommodating cavity, the stepping motor 3 is further in signal connection with a microprocessor 6 arranged in the control part accommodating cavity, the microprocessor 6 is further in signal connection with a rainwater detector 7 and an intelligent lock respectively, wherein the rainwater detector 7 is arranged on the upper surface of the control part accommodating cavity, a lock body 17 of the intelligent lock is arranged at the upper end inside the control part accommodating cavity, a lock catch 16 of the intelligent lock is arranged on the lower surface of the cover plate 13, and the cover plate 13 covering a rainwater inflow port; the stepping motor 3, the microprocessor 6 and the intelligent lock are all electrically connected with a power module 2 arranged in the control part accommodating cavity, and the power module 2 is electrically connected with a municipal road power supply system; the rain detector 7 is used for detecting rainfall and sending the detected rainfall to the microprocessor 6 in real time; the microprocessor 6 is used for receiving the rainfall in real time, comparing the received rainfall with a rainfall setting value in real time, when the received rainfall is greater than the rainfall setting value, the microprocessor 6 sends an unlocking command to the intelligent lock, and simultaneously sends a cable loosening and rotating command to the stepping motor 3, and when the rainfall received by the microprocessor 6 becomes less than the rainfall setting value and reaches a set rainfall difference value, the microprocessor 6 sends a cable tightening and rotating command to the stepping motor 3; the intelligent lock is used for executing an unlocking command after receiving the unlocking command, and locking the lock body 17 and the lock catch 16 together at the moment that the cover plate 13 covers the rainwater inflow port; the stepping motor 3 is used for executing a rotation action corresponding to cable loosening after receiving the cable loosening rotation command and executing a rotation action corresponding to cable tightening after receiving the cable tightening rotation command; when the pulling cable 21 is loosened, the rod bodies 11 are lifted upwards under the action of the elastic force of the corresponding springs 8 and drive the cover plate 13 to be lifted upwards, so that the rainwater inflow port is opened, when the pulling cable 21 is tightened, the cover plate 13 is pulled downwards by the pulling cable 21 to cover the rainwater inflow port, and meanwhile, the lock body 17 and the lock catch 16 of the intelligent lock are locked together, so that the cover plate 13 is finally locked on the rainwater inflow port.
Further, a camera 14 is further arranged on the lower surface of the cover plate 13, the camera 14 is in signal connection with the microprocessor 6, the microprocessor 6 is also in signal connection with the wireless communication module 5, and the wireless communication module 5 is in wireless communication connection with a host of the municipal road management center and a handheld terminal of a cleaner respectively; the camera 14 is used for shooting an image inside the rainwater inflow port and sending the shot image to a host computer and a cleaner handheld terminal of the municipal road management center through a wireless communication module; host computer and the handheld terminal of cleaners at town road management center all can be through wireless communication module control microprocessor 6 sends the command of unblanking, the cable is relaxed and is rotated the command and the cable is tightened up and rotate the command, thereby can be free control opening of apron 13 to the inside rubbish that accumulates of clearance rainwater inflow.
Furthermore, a transverse strut 19 is arranged on the side wall inside the rainwater inflow port, a guy cable steering wheel 20 is arranged on the transverse strut 19, and a guy cable 21 is vertically led out downwards from the cover plate 13, then bypasses the guy cable steering wheel 20, changes the rear direction into the horizontal direction, and then is connected with the guy cable winding wheel 22.
Further, the control part holds the chamber upper surface and is equipped with access hole 23, access hole 23 is used for the change of power module 2 or maintenance and step motor 3's maintenance, power module 2 is rechargeable battery, and this rechargeable battery still is connected with solar cell panel electricity, solar cell panel locates the control part and holds the chamber upper surface or locate the roadside through the support.
Furthermore, the lower surface of the edge of the cover plate 13 is also provided with a plurality of longitudinal intercepting rods 24 distributed along the circumferential direction of the cover plate, and the intercepting rods 24 are used for intercepting large sundries during raining and preventing the large sundries from entering the drainage pipeline.
Furthermore, 4 rainwater detectors 7 are arranged on the box body 1 in the circumferential direction around the cover plate 13, and when the rainwater flow detected by one rainwater detector 7 received by the microprocessor 6 is smaller than the rainwater flow detected by the other rainwater detectors 7 and is lower than the set rainwater flow difference value in rainy days, the microprocessor 6 controls the prompting device 25 to prompt; the prompting device 25 is arranged on the upper surface of the cover plate 13, and the prompting device 25 is an LED flashing alarm lamp and plays a role in prompting a cleaner to clean; lie in on the apron 13 still be equipped with the fluorescent layer around the LED scintillation alarm lamp, play and make things convenient for the cleanup crew to find and carry out the periodic overhaul to and the effect of suggestion pedestrian at night.
Furthermore, a rubber sealing ring 10 surrounding the circumference of the side wall of the corresponding rod body 11 is arranged on an inlet at the upper end of each sleeve 9.
Further, the cover plate 13 is provided with a decorative layer on its upper surface, which is made of the same material as the surrounding road surface 18.
In summary, the embodiment of the invention provides a hidden deodorization type gutter inlet, the whole gutter inlet is made into an integral structure in a box body integration mode, and is convenient to install on the ground at the water inlet of an underground drainage pipeline. The invention can be hidden under the road surface, can prevent odor and garbage accumulation, can be automatically opened to quickly drain rainwater in rainy days, and can be installed by only fixing the underground water inlet pipe under the ground to connect the rainwater inlet with the water inlet of the underground drainage pipe and connecting the power supply module with the municipal road for power supply.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (5)
1. A hidden deodorization type rainwater inlet is characterized by comprising a box body (1) embedded below the ground at a water inlet of an underground drainage pipeline, the left half part of the box body (1) is set as a rainwater inlet, the right half part of the box body is set as a control part containing cavity, the rainwater inlet is communicated with a water inlet of the underground drainage pipeline, a plurality of longitudinal sleeves (9) are arranged along the circumferential direction of the inner side wall of the rainwater inlet, a longitudinal spring (8) is arranged in each sleeve (9), the lower end of each spring (8) is connected with the lower end inside the sleeve (9), the upper end of each spring is connected with the lower end of a longitudinal rod body (11), each rod body (11) is sleeved in the corresponding sleeve (9), the upper end of each rod body (11) is connected with a cover plate (13) used for covering the rainwater inlet in sunny days, a fixed end (15) is arranged at the central position of the lower surface of the cover plate (13), the fixing end (15) is connected with one end of a stay cable (21), the other end of the stay cable (21) is connected with a stay cable winding wheel (22), the stay cable winding wheel (22) is connected with an output shaft of a stepping motor (3), the stepping motor (3) is fixed in a control part accommodating cavity, the stepping motor (3) is further in signal connection with a microprocessor (6) arranged in the control part accommodating cavity, the microprocessor (6) is further in signal connection with a rainwater detector (7) and an intelligent lock respectively, the rainwater detector (7) is arranged on the upper surface of the control part accommodating cavity, a lock body (17) of the intelligent lock is arranged at the upper end inside the control part accommodating cavity, a lock catch (16) of the intelligent lock is arranged on the lower surface of a cover plate (13), and the cover plate (13) covered on a rainwater inflow port can be locked through the lock body (17) and the lock catch (; the stepping motor (3), the microprocessor (6) and the intelligent lock are all electrically connected with a power supply module (2) arranged in the control part accommodating cavity, and the power supply module (2) is electrically connected with a municipal road power supply system;
the rain detector (7) is used for detecting rainfall and sending the detected rainfall to the microprocessor (6) in real time; the microprocessor (6) is used for receiving the rainfall in real time, comparing the received rainfall with a rainfall setting value in real time, when the received rainfall is greater than the rainfall setting value, the microprocessor (6) sends an unlocking command to the intelligent lock, and simultaneously sends a cable loosening and rotating command to the stepping motor (3), and when the rainfall received by the microprocessor (6) becomes less than the rainfall setting value and reaches a set rainfall difference value, the microprocessor (6) sends a cable tightening and rotating command to the stepping motor (3); the intelligent lock is used for executing an unlocking command after receiving the unlocking command, and locking a lock body (17) and a lock catch (16) together at the moment that the cover plate (13) covers the rainwater inflow port; the stepping motor (3) is used for executing a rotation action corresponding to cable loosening after receiving the cable loosening rotation command and executing a rotation action corresponding to cable tightening after receiving the cable tightening rotation command; when the pull cables (21) are loosened, the rod bodies (11) are lifted upwards under the action of the elastic force of the corresponding springs (8) and drive the cover plate (13) to be lifted upwards, so that the rainwater inflow port is opened, when the pull cables (21) are tightened, the cover plate (13) is pulled downwards by the pull cables (21) so as to cover the rainwater inflow port, and meanwhile, the lock body (17) and the lock catch (16) of the intelligent lock are locked together, so that the cover plate (13) is locked on the rainwater inflow port finally;
the lower surface of the cover plate (13) is also provided with a camera (14), the camera (14) is in signal connection with the microprocessor (6), the microprocessor (6) is also in signal connection with a wireless communication module (5), and the wireless communication module (5) is in wireless communication connection with a host of a municipal road management center and a handheld terminal of a cleaner respectively; the camera (14) is used for shooting an image inside the rainwater inflow port and sending the shot image to a host computer and a cleaner handheld terminal of the municipal road management center through the wireless communication module; the host computer of the municipal road management center and the handheld terminal of the cleaner can control the microprocessor (6) to send an unlocking command, a cable loosening and rotating command and a cable tightening and rotating command through the wireless communication module, so that the cover plate (13) can be freely opened to clean garbage accumulated in the rainwater inflow port; a transverse support rod (19) is arranged on the side wall inside the rainwater inflow port, a guy cable steering wheel (20) is arranged on the transverse support rod (19), and a guy cable (21) is vertically led out downwards from the cover plate (13), then bypasses the guy cable steering wheel (20), changes the rear direction into the horizontal direction and then is connected with the guy cable winding wheel (22); the control part holds the chamber upper surface and is equipped with access hole (23), access hole (23) are used for the change of power module (2) or the maintenance and the maintenance of step motor (3), power module (2) are rechargeable battery, and this rechargeable battery still is connected with solar cell panel electricity, solar cell panel locates the control part and holds the chamber upper surface or locate the roadside through the support.
2. A concealed odour-preventing gully according to claim 1, wherein the lower surface of the edge of the cover plate (13) is further provided with a plurality of longitudinal intercepting rods (24) distributed along the circumferential direction of the cover plate, and the intercepting rods (24) are used for intercepting large impurities to prevent the large impurities from entering the drainage pipeline during raining.
3. The concealed odor-resistant gutter inlet according to claim 1, wherein 4 rain detectors (7) are arranged on the box body (1) in the circumferential direction of the cover plate (13), and when the rain flow detected by one rain detector (7) received by the microprocessor (6) is smaller than the rain flow detected by the other rain detectors (7) and is smaller than the set rain flow difference, the microprocessor (6) controls the prompting device (25) to prompt; the prompting device (25) is arranged on the upper surface of the cover plate (13), and the prompting device (25) is an LED flashing alarm lamp and plays a role in prompting a cleaner to clean; still be equipped with the fluorescent layer around LED scintillation alarm lamp on apron (13), play and make things convenient for the cleanup crew to find and carry out the periodic overhaul to and the effect of suggestion pedestrian at night.
4. A concealed odour-preventing gully according to claim 1, wherein the inlet at the upper end of each sleeve (9) is provided with a rubber sealing ring (10) around the circumference of the side wall of the corresponding rod (11).
5. A concealed odour-preventing gully according to claim 1, wherein a decorative layer of the same material as the surrounding road surface (18) is applied to the upper surface of the cover plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910854136.1A CN110512711B (en) | 2019-09-10 | 2019-09-10 | Hidden type odor-resistant gutter inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910854136.1A CN110512711B (en) | 2019-09-10 | 2019-09-10 | Hidden type odor-resistant gutter inlet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110512711A CN110512711A (en) | 2019-11-29 |
| CN110512711B true CN110512711B (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910854136.1A Active CN110512711B (en) | 2019-09-10 | 2019-09-10 | Hidden type odor-resistant gutter inlet |
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| CN (1) | CN110512711B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110037807A (en) * | 2009-10-07 | 2011-04-13 | 신해 | Automatic controlling device for safety cover of grating |
| CN201826331U (en) * | 2010-08-26 | 2011-05-11 | 陈铿柱 | Automatic opening/closing manhole cover |
| CN105133722B (en) * | 2015-07-14 | 2017-03-01 | 河南科技大学 | A kind of solar energy type automatic lifting system for rain perforaled strainer |
| CN205975694U (en) * | 2016-08-27 | 2017-02-22 | 浙江环宏市政建设有限公司 | Novel municipal administration inspection shaft lid |
| CN206693375U (en) * | 2017-03-12 | 2017-12-01 | 西北师范大学 | A kind of water conservancy town road emergency drainage device |
| CN107227782A (en) * | 2017-06-23 | 2017-10-03 | 安徽超清科技股份有限公司 | Intelligent road emergency dewatering system |
| CN108894307A (en) * | 2018-08-15 | 2018-11-27 | 宋金睿 | A kind of town road rainwater self-draining arrangement |
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| CN110512711A (en) | 2019-11-29 |
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