CN209353453U - A kind of municipal ground rainwater flood storage seepage apparatus - Google Patents
A kind of municipal ground rainwater flood storage seepage apparatus Download PDFInfo
- Publication number
- CN209353453U CN209353453U CN201822136679.3U CN201822136679U CN209353453U CN 209353453 U CN209353453 U CN 209353453U CN 201822136679 U CN201822136679 U CN 201822136679U CN 209353453 U CN209353453 U CN 209353453U
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- well lid
- interior
- drainage pipeline
- interior well
- outer well
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Abstract
The utility model discloses a kind of municipal ground rainwater flood storage seepage apparatus, including drainage pipeline, outer well lid and interior well lid, the outer well lid is fixedly mounted by the input terminal of installing pipe and drainage pipeline, the interior well lid is fixedly mounted by the bottom of adjustable spring and outer well lid, the drainage hole in blade shape is offered on the interior well lid, the end face of the interior well lid is inlaid with mounting plate, and the end face of mounting plate is inlaid with pressure sensor.The municipal ground rainwater flood storage seepage apparatus, has the probability for reducing excess surface water, and service personnel is notified in time when there is ponding, avoid the excessive service personnel of ponding advantage not easy to operate, it is bad to solve the easy ponding of existing municipal ground, drainage effect, and service personnel is needed to go in the way overhauled the problem of easily ponding being caused to greatly increase, increasing the difficulty of the maintenance of staff after excess surface water in documents.
Description
Technical field
The utility model relates to municipal technical field, specially a kind of municipal ground rainwater flood storage seepage apparatus.
Background technique
In urban construction, ground flood storage seepage apparatus is always key project, because of any city, due to flood storage
Draining construction it is asynchronous, with the development of the city, some old facilities just at influence municipal drainage the problem of, in face of now
Develop the city more grown and the more and more situation of extreme weather, many times old ground rainwater flood storage seepage flow
Device is no longer satisfied demand, causes urban waterlogging, mostly uses installation one or more to ground rain-water accumulating flood seepage flow at present
A filter screen and sensor play relatively good effect to control urban ground rainwater flood storage seepage flow, but its cost compared with
Height, and it is not easy to install.
A kind of municipal ground rainwater flood storage seepage apparatus is disclosed in existing number of patent application 201721878267.6, is used
In old drainage equipment edge mounting groove, and middle cover and top cover are installed inside mounting groove, passes through top in rainwater
The water seepage hole of lid enters intermediate tube, then by entering bottom tube discharge by filter hole by the filter screen of middle cover in intermediate tube,
In extreme weather, rainwater enters intermediate tube from the water seepage hole of top cover, after intermediate tube or water seepage hole are blocked by sundries, meeting
The hydraulic pressure in intermediate tube is increased, after the hydraulic pressure detector of everguard alarm detects that hydraulic pressure increases extremely, data transmission device
Water pressure data is issued to relevant unit, needs service personnel to reach scene and removes cleaning tamper, go maintenance in service personnel
Easily ponding is caused to greatly increase on the way, increase the difficulty of the maintenance of staff, is unfavorable for the discharge to ponding.
Utility model content
The purpose of this utility model is to provide a kind of municipal ground rainwater flood storage seepage apparatus, have reduction excess surface water
Probability, and when there is ponding in time to service personnel notify, avoid the excessive service personnel of ponding advantage not easy to operate,
Solve that the easy ponding of existing municipal ground, drainage effect be bad and documents in need service personnel to go after excess surface water
The problem of easily ponding being caused to greatly increase in the way of maintenance, increasing the difficulty of the maintenance of staff.
To achieve the above object, the utility model provides the following technical solutions: a kind of municipal ground rainwater flood storage seepage flow dress
It sets, including drainage pipeline, outer well lid and interior well lid, the water seepage hole in lattice-shaped, the drainpipe is offered on the outer well lid
Road locates below ground level setting, and the bottom periphery of the outer well lid is provided with the installing pipe of fence structure, and the outer well lid passes through
The input terminal of installing pipe and drainage pipeline is fixedly mounted, and the end face setting of outer well lid corresponding ground, and the interior well lid is by stretching
The bottom of contracting spring and outer well lid is fixedly mounted, and is fixed inside drainage pipeline, offers on the interior well lid in knife
The drainage hole of blade shape, the end face of the interior well lid is inlaid with mounting plate, and the end face of mounting plate is inlaid with pressure sensor, described
The input terminal of pressure sensor is electrically connected with single-chip microcontroller by data acquisition module, and the output end of the single-chip microcontroller passes through wireless
Link block and data receiving terminal are wirelessly connected.
Preferably, the periphery that ground corresponds to the outer well lid is arranged in concave configuration, and the diameter of outer well lid is greater than draining
The inside diameter of pipeline.
Preferably, the bottom of the outer well lid is provided with from movable lock core, and the end face of the interior well lid is corresponding solid from movable lock core
Surely it is provided with lock pillar, the interior well lid is fixedly connected by lock pillar with from movable lock core.
Preferably, the periphery of the interior well lid is in not contact setting with the inner wall of drainage pipeline.
Preferably, it is inlaid with alignment sensor inside the interior well lid, and the output end of alignment sensor and single-chip microcontroller
Input terminal is electrically connected.
Preferably, the center of the outer well lid and interior well lid correspondence offers maintenance port.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model corresponds in outer well lid bottom and interior well lid is fixedly mounted by adjustable spring inside drainage pipeline, and
Outer well lid and drainage pipeline are fixedly mounted by the installing pipe of fence structure, and the well lid of the drainage pipeline on old ground is dismantled,
Interior well lid is fixedly mounted by the bottom of adjustable spring and outer well lid, and outer well lid is by manually fixing the input terminal of drainage pipeline
Installation, interior well lid by adjustable spring retraction and the bottom of outer well lid in coincidence status, the end of installing pipe and drainage pipeline
Top is fixedly mounted, and the external well lid support in the top of installing pipe is detached from and ground face contact, and when rainwater is larger, rainwater passes through fence
The installing pipe of structure and outer well lid flow into inside drainage pipeline, and when installing pipe blocks, rainwater passes through the end of outer well lid
Surface current enters inside drainage pipeline, and outer well lid blocks the impurity in rainwater, since outer well lid is provided with the water seepage hole in paliform,
The aperture of water seepage hole is larger so that impurity can't block water seepage hole, and some impurity are flowed into inside drainage pipeline by water seepage hole,
Interior well lid accepts impurity, the drainage hole of the blade shape opened up on interior well lid end face to breakable impurity with water flow into
Enter and be discharged after being crushed by drainage pipeline, and when interior well lid causes rainwater to be not easy to be discharged by impurity blocking, interior well lid is by miscellaneous
The accumulation of matter and rainwater is accepted to pressure, and adjustable spring is extended by the lower surging of interior well lid, make interior well lid and outer well lid it
Between in not contacting, reserve the flowing space to the ponding of accumulation, the pressure sensor of interior well lid end face is to the water inside drainage pipeline
Pressure detection, data acquisition module acquire pressure sensor hydraulic pressure detected and export to single-chip microcontroller, and single-chip microcontroller believes data
Breath is exported by being wirelessly connected module to terminal is received, and staff goes to outer well lid position to carry out it after receiving information
Processing, and with the accumulation of rainwater and impurity on interior well lid while interior well lid is blocked, to well lid drainage hole in blocking
Impurity pressure so that impurity by the drainage hole in blade shape it is broken after be discharged so that interior well lid can't be completely plugged, drop
The probability that low ponding generates clears up the impurity of blocking after reaching convenient for staff.
2, the utility model is respectively set in interior well lid and the corresponding end face of outer well lid from movable lock core and lock pillar, pressure sensing
When device pressure detected is excessive, by information, by output after data collecting module collected, to single-chip microcontroller, single-chip microcontroller is defeated by information
Out to from movable lock core, the fixation unclamped to lock pillar is opened from movable lock core, interior well lid is extended and outer well lid bottom through adjustable spring
It does not contact, reserves the flowing space to ponding, after the impurity accumulated on interior well lid end face is cleaned, adjustable spring drives interior well
Lid resets, so that interior well lid is overlapped with the bottom of outer well lid, lock pillar is caught in automatically with interior well lid with being overlapped for outer well lid bottom
Inside lock core, by fixing from movable lock core to lock pillar, the stationarity that interior well lid is overlapped with outer well lid is improved, convenient in the object of pedestrian
Product, which are fallen, blocks it by interior well lid in outer well lid, picks up convenient for pedestrian to the article fallen.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 be the utility model not ponding when Fig. 1 structural schematic diagram；
Fig. 3 is the outer manhole cover structure schematic diagram of the utility model；
Fig. 4 is manhole cover structure schematic diagram in the utility model；
Fig. 5 is the utility model single-chip microcontroller and pressure sensor electric connecting structure schematic diagram.
In figure: drainage pipeline 1；Outer well lid 2；Interior well lid 3；Water seepage hole 4；Installing pipe 5；Adjustable spring 6；Drainage hole 7；Pressure
Sensor 8；Data acquisition module 9；Single-chip microcontroller 10；From movable lock core 11；Lock pillar 12；It is wirelessly connected module 13.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-5, a kind of municipal ground rainwater flood storage seepage apparatus, including drainage pipeline 1, outer well lid 2 and interior well
Lid 3, offers the water seepage hole 4 in lattice-shaped on the outer well lid 2, and the drainage pipeline 1 locates below ground level setting, described outer
The bottom periphery of well lid 2 is provided with the installing pipe 5 of fence structure, and the outer well lid 2 is defeated by installing pipe 5 and drainage pipeline 1
Enter end to be fixedly mounted, the interior well lid 3 is fixedly mounted by the bottom of adjustable spring 6 and outer well lid 2, and is fixed at draining
Inside pipeline 1,4 groups, and the born dynamics summation of adjustable spring and the interior consistent compression bullet of 3 weight of well lid is arranged in adjustable spring 6
Spring is arranged, and the drainage hole 7 in blade shape is offered on the interior well lid 3, and the end face of the interior well lid 3 is inlaid with mounting plate, and
The end face of mounting plate is inlaid with pressure sensor 8, and pressure sensor 8 is arranged using miniature FSM load cell, and the pressure passes
The input terminal of sensor 8 is electrically connected with single-chip microcontroller 10 by data acquisition module 9, and single-chip microcontroller 10 is integrated using PLC16LF1507
The setting of IC circuit single-chip microcontroller, data acquisition module 9 are arranged using r-8052 model, and the output end of the single-chip microcontroller 10 passes through wireless
Link block 13 and data receiving terminal are wirelessly connected.Module 13 is wirelessly connected to set using JF24D-2.4G wireless communication module
It sets.
Specifically, the periphery that ground corresponds to the outer well lid 2 is arranged in concave configuration, and the diameter of outer well lid 2 is greater than row
The inside diameter of waterpipe 1.While blocking convenient for outer well lid 2 to drainage pipeline 1, the rainwater on ground flows to outer well lid 2, passes through
The installing pipe of outer 2 bottom of well lid flows into inside drainage pipeline 1.
Specifically, the bottom of the outer well lid 2 is provided with from movable lock core 11, the corresponding automatic lock in the end face of the interior well lid 3
Core 11 is fixedly installed lock pillar 12, and the interior well lid 3 is fixedly connected by lock pillar 12 with from movable lock core 11.It is described from movable lock core 11
It is arranged using ST17H30 model from movable lock core, when the pressure detected of pressure sensor 8 is excessive, information is acquired by data
To single-chip microcontroller 10, single-chip microcontroller 10 be will output information to from movable lock core 11 for output after module 9 acquires, and open release pair from movable lock core 11
The fixation of lock pillar 12, interior well lid 3 are not contacted by the extension of adjustable spring 6 with outer 2 bottom of well lid, and it is empty to reserve flowing to ponding
Between, after the impurity accumulated on interior 3 end face of well lid is cleaned, adjustable spring 6 drives interior well lid 3 to reset, so that interior well lid 3 and outer
The bottom of well lid 2 is overlapped, and lock pillar 12 is caught in from inside movable lock core 11 with interior well lid 3 with outer being overlapped for 2 bottom of well lid, by oneself
Movable lock core 11 is fixed to lock pillar 12, improves the stationarity that interior well lid 3 is overlapped with outer well lid 2, falls convenient for the article in pedestrian
It is blocked by interior well lid 3 when outer well lid 2, the article fallen is picked up convenient for pedestrian.
Specifically, the periphery of the interior well lid 3 is in not contact setting with the inner wall of drainage pipeline 1.Interior well lid 3 passes through flexible
It is in when not contacting to reserve the flowing space to ponding that the stretching, extension of spring 6, which is moved down with outer well lid 2, and interior well lid 3 and drainage pipeline 1 are discontiguous
It is flowed out convenient for ponding from the periphery of drainage pipeline 1 and interior well lid 3 on periphery.
Specifically, being inlaid with alignment sensor inside the interior well lid 3, and the output end of alignment sensor and single-chip microcontroller 10
Input terminal be electrically connected.Alignment sensor is arranged using 4.12GPS alignment sensor, and alignment sensor installs the present apparatus
Position positioning exports the data detected of pressure sensor 8 to when receiving terminal in single-chip microcontroller 10, and alignment sensor is positioned
Information by being wirelessly connected the output of module 13 to terminal is received, easy access personnel accurately find outer well lid 2 of blocking
It sets.
Specifically, the center of the outer well lid 2 and interior well lid 3 correspondence offers maintenance port.Service personnel is hand-held to miscellaneous
The tool that matter hook is held is ticked interior well lid 3 and outer well lid 2 across the impurity cleaning of maintenance internal 3 end face of well lid of through-hole, and
When interior well lid 3 can not be automatically reset by adjustable spring 6, staff passes through outer well lid 2 by holding the tool of function with hook
With the maintenance through-hole opened up on interior well lid 3, internal well lid 2 above proposes 6 retracted for clearance of auxiliary telescopic spring.
Interior well lid 3 is fixedly mounted by adjustable spring 6 inside drainage pipeline 1 in use, corresponding in outer 2 bottom of well lid, and
Outer well lid 2 is fixedly mounted with drainage pipeline 1 by the installing pipe 5 of fence structure, and the well lid of the drainage pipeline 1 on old ground is torn open
It unloads, interior well lid 3 is fixedly mounted by the bottom of adjustable spring 6 and outer well lid 2, and outer well lid 2 passes through manually to the defeated of drainage pipeline 1
Enter end to be fixedly mounted, interior well lid 3 is in coincidence status, the end of installing pipe 5 by the bottom of the retraction of adjustable spring 6 and outer well lid 2
It is fixedly mounted with the top of drainage pipeline 1, the external support of well lid 2 in the top of installing pipe 5 is detached from and ground face contact, larger in rainwater
When, rainwater is flowed into inside drainage pipeline 1 by the installing pipe 5 and outer well lid 2 of fence structure, and when installing pipe 5 blocks,
Rainwater is flowed into inside drainage pipeline 1 by the end face of outer well lid 2, and outer well lid 2 blocks the impurity in rainwater, due to outer well lid 2
It is provided with the water seepage hole 4 in paliform, the aperture of water seepage hole 4 is larger so that impurity can't block water seepage hole 4, and some impurity are logical
It crosses water seepage hole 4 to flow into inside drainage pipeline 1, interior well lid 3 accepts impurity, the row of the blade shape opened up on interior 3 end face of well lid
Water hole 7 is discharged after being crushed to breakable impurity with the entrance of water flow by drainage pipeline 1, and is blocked up in interior well lid 3 by impurity
When plug causes rainwater to be not easy to be discharged, interior well lid 3 is accepted by the accumulation of impurity and rainwater to pressure, and adjustable spring 6 is by interior well
The lower surging of lid 3 extends, and makes to reserve the flowing space to the ponding of accumulation in not contacting between interior well lid 3 and outer well lid 2, interior
The pressure sensor 8 of 3 end face of well lid detects the hydraulic pressure inside drainage pipeline 1, and data acquisition module 9 is to 8 institute of pressure sensor
The hydraulic pressure of detection is acquired and is exported to single-chip microcontroller 10, and single-chip microcontroller 10 is by data information by being wirelessly connected the output of module 13 to reception
Terminal, staff go to outer 2 position of well lid to handle it after receiving information, and interior well lid 3 be blocked it is same
When with rainwater and impurity on interior well lid 3 accumulation, to the impurity of drainage hole 7 presses on well lid 3 in blocking, so that impurity quilt
It is discharged after being crushed in the drainage hole 7 of blade shape, so that interior well lid 3 can't be completely plugged, reduces the probability that ponding generates, just
The impurity of blocking is cleared up after staff reaches.
In summary: the municipal ground rainwater flood storage seepage apparatus, by being corresponded in drainage pipeline 1 in outer 2 bottom of well lid
Interior well lid 3 is fixedly mounted by adjustable spring 6 in portion, and outer well lid 2 and drainage pipeline 1 are fixed by the installing pipe 5 of fence structure
Installation, the well lid of the drainage pipeline 1 on old ground is dismantled, and interior well lid 3 is fixed by adjustable spring 6 and the bottom of outer well lid 2
It installs, outer well lid 2, which passes through, is manually fixedly mounted the input terminal of drainage pipeline 1, and interior well lid 3 is by the retraction of adjustable spring 6 and outside
The bottom of well lid 2 is in coincidence status, and the end of installing pipe 5 and the top of drainage pipeline 1 are fixedly mounted, and the top of installing pipe 5 is right
The outer support of well lid 2 is detached from and ground face contact, and when rainwater is larger, rainwater is flowed by the installing pipe 5 and outer well lid 2 of fence structure
Inside drainage pipeline 1, and when installing pipe 5 blocks, rainwater is flowed into inside drainage pipeline 1 by the end face of outer well lid 2, outside
Well lid 2 blocks the impurity in rainwater, and since outer well lid 2 is provided with the water seepage hole 4 in paliform, the aperture of water seepage hole 4 is larger
So that impurity can't block water seepage hole 4, some impurity are flowed into inside drainage pipeline 1 by water seepage hole 4, and interior well lid 3 is to impurity
It accepts, the drainage hole 7 of the blade shape opened up on interior 3 end face of well lid leads to after being crushed to breakable impurity with the entrance of water flow
The discharge of drainage pipeline 1 is crossed, and when interior well lid 3 causes rainwater to be not easy to be discharged by impurity blocking, interior well lid 3 is by impurity and rainwater
Accumulation accept to pressure, adjustable spring 6 is extended by the lower surging of interior well lid 3, make be between interior well lid 3 and outer well lid 2
It does not contact, reserves the flowing space to the ponding of accumulation, the pressure sensor 8 of interior 3 end face of well lid is to the hydraulic pressure inside drainage pipeline 1
Detection, data acquisition module 9 acquire the hydraulic pressure detected of pressure sensor 8 and export to single-chip microcontroller 10, and single-chip microcontroller 10 will count
It is believed that breath goes to outer 2 position of well lid after receiving information to terminal, staff is received by being wirelessly connected the output of module 13
It is handled, and with the accumulation of rainwater and impurity on interior well lid 3 while interior well lid 3 is blocked, in blocking
The impurity pressure of drainage hole 7 on well lid 3, so that impurity is discharged after being crushed by the drainage hole 7 in blade shape, so that interior well lid 3 is simultaneously
Will not be completely plugged, solve that the easy ponding of existing municipal ground, drainage effect be bad and documents in after excess surface water
It needs service personnel to go in the way of maintenance easily ponding to be caused to greatly increase, increases asking for the difficulty of the maintenance of staff
Topic.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of municipal ground rainwater flood storage seepage apparatus, including drainage pipeline (1), outer well lid (2) and interior well lid (3), special
Sign is: the water seepage hole (4) in lattice-shaped is offered on the outer well lid (2), the drainage pipeline (1), which locates below ground level, to be set
It sets, the bottom periphery of the outer well lid (2) is provided with the installing pipe (5) of fence structure, and the outer well lid (2) passes through installing pipe
(5) it is fixedly mounted with the input terminal of drainage pipeline (1), the interior well lid (3) passes through the bottom of adjustable spring (6) and outer well lid (2)
Portion is fixedly mounted, and is fixed at drainage pipeline (1) inside, and the drainage hole in blade shape is offered on the interior well lid (3)
(7), the end face of the interior well lid (3) is inlaid with mounting plate, and the end face of mounting plate is inlaid with pressure sensor (8), the pressure
The input terminal of force snesor (8) is electrically connected with single-chip microcontroller (10) by data acquisition module (9), the single-chip microcontroller (10) it is defeated
Outlet is wirelessly connected by being wirelessly connected module (13) and data receiving terminal.
2. a kind of municipal ground rainwater flood storage seepage apparatus according to claim 1, it is characterised in that: described in ground is corresponding
The periphery of outer well lid (2) is arranged in concave configuration, and the diameter of outer well lid (2) is greater than the inside diameter of drainage pipeline (1).
3. a kind of municipal ground rainwater flood storage seepage apparatus according to claim 1, it is characterised in that: the outer well lid
(2) bottom is provided with from movable lock core (11), and the end face of the interior well lid (3) is corresponding to be fixedly installed lock pillar from movable lock core (11)
(12), the interior well lid (3) is fixedly connected by lock pillar (12) with from movable lock core (11).
4. a kind of municipal ground rainwater flood storage seepage apparatus according to claim 1, it is characterised in that: the interior well lid
(3) periphery is in not contact setting with the inner wall of drainage pipeline (1).
5. a kind of municipal ground rainwater flood storage seepage apparatus according to claim 1, it is characterised in that: the interior well lid
(3) internal to be inlaid with alignment sensor, and the output end of alignment sensor and the input terminal of single-chip microcontroller (10) are electrically connected.
6. a kind of municipal ground rainwater flood storage seepage apparatus according to claim 1, it is characterised in that: the outer well lid
(2) corresponding with the center of interior well lid (3) to offer maintenance port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822136679.3U CN209353453U (en) | 2018-12-19 | 2018-12-19 | A kind of municipal ground rainwater flood storage seepage apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822136679.3U CN209353453U (en) | 2018-12-19 | 2018-12-19 | A kind of municipal ground rainwater flood storage seepage apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209353453U true CN209353453U (en) | 2019-09-06 |
Family
ID=67800039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822136679.3U Expired - Fee Related CN209353453U (en) | 2018-12-19 | 2018-12-19 | A kind of municipal ground rainwater flood storage seepage apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209353453U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343159A (en) * | 2020-10-30 | 2021-02-09 | 深圳市新绿园林工程有限公司 | Environment-friendly municipal administration inspection shaft waste fitting discharging |
| CN112450044A (en) * | 2020-11-23 | 2021-03-09 | 苏州极创澜海科技有限公司 | Irrigation device for park landscape and use method thereof |
| CN113216362A (en) * | 2021-04-19 | 2021-08-06 | 长安大学 | Automatic adjusting and cleaning gutter inlet system and construction method thereof |
| CN113338342A (en) * | 2021-06-08 | 2021-09-03 | 山东工业职业学院 | Fixing and marking device for fixing drainage well lid |
| CN114775765A (en) * | 2022-05-26 | 2022-07-22 | 中国科学院生态环境研究中心 | Novel sponge urban rainwater processing system |
-
2018
- 2018-12-19 CN CN201822136679.3U patent/CN209353453U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343159A (en) * | 2020-10-30 | 2021-02-09 | 深圳市新绿园林工程有限公司 | Environment-friendly municipal administration inspection shaft waste fitting discharging |
| CN112450044A (en) * | 2020-11-23 | 2021-03-09 | 苏州极创澜海科技有限公司 | Irrigation device for park landscape and use method thereof |
| CN113216362A (en) * | 2021-04-19 | 2021-08-06 | 长安大学 | Automatic adjusting and cleaning gutter inlet system and construction method thereof |
| CN113216362B (en) * | 2021-04-19 | 2022-12-02 | 长安大学 | Automatic adjusting and cleaning gutter inlet system and application method thereof |
| CN113338342A (en) * | 2021-06-08 | 2021-09-03 | 山东工业职业学院 | Fixing and marking device for fixing drainage well lid |
| CN113338342B (en) * | 2021-06-08 | 2023-09-26 | 山东工业职业学院 | Fixing and marking device for fixing drain well lid |
| CN114775765A (en) * | 2022-05-26 | 2022-07-22 | 中国科学院生态环境研究中心 | Novel sponge urban rainwater processing system |
| CN114775765B (en) * | 2022-05-26 | 2023-06-09 | 中国科学院生态环境研究中心 | Novel sponge urban rainwater processing system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190906 Termination date: 20201219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |