CN205475652U - Liu jing is abandoned to rainwater with over -and -under type rubber lamella check valve that dams - Google Patents
Liu jing is abandoned to rainwater with over -and -under type rubber lamella check valve that dams Download PDFInfo
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- CN205475652U CN205475652U CN201521139504.8U CN201521139504U CN205475652U CN 205475652 U CN205475652 U CN 205475652U CN 201521139504 U CN201521139504 U CN 201521139504U CN 205475652 U CN205475652 U CN 205475652U
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Abstract
The utility model discloses a liu jing is abandoned to rainwater with over -and -under type rubber lamella check valve that dams, it is including reposition of redundant personnel pond and equipment fixing pond, reposition of redundant personnel pond and equipment fixing pond separate through the training wall, the training wall bottom is provided with and supplies the rainwater to abandon the through -hole that flows, be provided with rainwater inlet tube, rainwater outlet pipe in the reposition of redundant personnel pond, it abandons the flow tube to be provided with in the equipment fixing pond, be provided with the rubber lamella check valve that dams in the equipment fixing pond, the water inlet and through -hole intercommunication that dam rubber lamella check valve, the delivery port and rainwater outlet pipe intercommunication that dam rubber lamella check valve, the controlling means that class well includes still that the steerable rubber lamella check valve that dams opens or cut out is abandoned to the rainwater. The utility model discloses simple structure, area is little, and with whole prefabricated, simple to operate maintains simply, but centralized control, it is high to initial stage rainwater control accuracy, adopt the full automated control of PLC, can control long -range or on the spot to can effectively intercept the floater gets into the nature water.
Description
Technical field
This utility model relates to a kind of rainwater discharging well, belongs to rainwater treatment device technical field, particularly relates to the rainwater discharging well of a kind of rubber flap check valve that dams with lift.
Background technology
Rainfall regime abandoned stream well is low to affect one of corollary equipment in development system, early-stage rainwater can be made with later stage rainwater to separate individually improvement, the effective solution early-stage rainwater runoff pollution to river, it is primarily adapted for use at the rainwater catchment pipe of community or storm sewer end, because simple in construction, low cost, control accuracy height use in municipal administration water harnessing widely.
A kind of preliminary-stage rainwater flow-discarding well being suitable for building rainwater utilization is disclosed in Chinese invention patent description CN 103638700A, this device includes manhole, the borehole wall and base, manhole is arranged at above the borehole wall, the borehole wall is connected with base, also include abandoned stream pipe, early-stage rainwater stream abandoning pipe, collector pipe, grid, rainwater water inlet pipe and training wall, training wall is arranged in the middle part of abandoned stream well, early-stage rainwater stream abandoning pipe is arranged at training wall bottom, collector pipe is arranged at borehole wall side, abandoned stream pipe is arranged on the borehole wall of training wall opposite side, rainwater water inlet pipe arranges one or more, it is disposed in proximity on the borehole wall of manhole side, collector pipe porch is provided with grid.The abandoned stream well of this disclosure of the invention is suitable for the abandoned stream of building roof early-stage rainwater, has construction investment province, operating cost is low, hydraulics good, construction is buried underground conveniently, and can automatically be run, and accomplishes scientific and reasonable to utilize rainwater resource.But, the abandoned stream well of this invention cannot realize the accurate control of rain water drainage amount, and this inventive structure is complicated, is not easy to install and use.
Disclosing a kind of rainwater discharging well in Chinese utility model patent description CN 202990091U, it includes cell body, water inlet pipe, collecting pipe, abandoned stream pipe, tapping pipe, kickboard, Adjustable bracing bar, connecting rod and baffle plate；Cell body is separated into shunting pond and equipment installs pond, and shunting pond is installed pond with equipment and connected by abandoned stream pipe；Water inlet pipe and collecting pipe are arranged in shunting pond, are in sustained height, and are positioned on abandoned stream pipe；Tapping pipe is arranged on equipment and installs in pond, is in sustained height with abandoned stream pipe；Connecting rod is articulated in equipment and installs in pond, and one end connects baffle plate, and baffle plate is positioned on tapping pipe, and the other end connects Adjustable bracing bar, and Adjustable bracing bar connects kickboard, and kickboard is positioned on abandoned stream pipe.This utility model simple in construction, and go for the early-stage rainwater stream abandoning of different area community.But this utility model cannot realize the accurate control of rain water drainage amount, and this inventive structure is complicated, is not easy to install and use.
The method disclosing integrated preliminary-stage rainwater flow-discarding well and rain water drainage in Chinese invention patent description CN 102102392B, it is that a kind of abandoned stream specifies certain millimeter early-stage rainwater on gathering ground, isolate later stage net rainfall water, thus be greatly improved the device of reuse Rainwater Quality.It is made up of buried rainwater inspection well, storage pond.Rainwater inspection well is connected with inlet tube and outlet tube；It is provided with sloping plate deposition structure at the bottom of storage pond pond, at a certain distance from the bottom of pond, sets abandoned stream pipe；Tank and flow-stopping plate is set between rainwater inspection well and storage pond, between water inlet pipe and water outlet pipe, short stream is formed when arriving peak level, later stage rainwater is directly entered outlet pipe reuse after rainwater inspection well, early-stage rainwater is abandoned in storage pond, after rainfall runoff stops, in storage pond, rainwater is slowly discharged from abandoned stream pipe, stops after arriving effective lowest water level.If this invention have simple in construction, run without manual operation, without power supply, safeguard simple, effectively collect contaminated rain water and abandoned stream pipe should not be also easy to after block clear and coherent, buried on environmental beauty without the advantage affected.But this invention cannot realize the accurate control of rain water drainage amount, and this inventive structure is complicated, is not easy to install and use.
A kind of rainwater flow-discarding device is disclosed in Chinese utility model patent description CN 204385873U, it includes water inlet pipe, sewage well, collecting-tank, two Pneumatic gate valves, air pump, effusion meter and PLC, described effusion meter is for calculating the abandoned stream flow through water inlet pipe, described water inlet pipe is respectively communicated with described sewage well and collecting-tank, two described Pneumatic gate valves are divided into the porch of described sewage well and the porch of collecting-tank, described air pump is for controlling the folding of two described Pneumatic gate valves, described PLC pump signal gentle with described effusion meter is connected.The rainwater flow-discarding device of this utility model has an abandoned stream amount precise control, and reliability and the high advantage of safety.But this utility model discloses the detailed construction of a kind of pneumatic operated valve, and this utility model is to control the opening and closing of Pneumatic gate valve according to effusion meter and air pump simultaneously, it is not easy to remotely or base manipulation, and is difficult to safeguard replacing.
Summary of the invention
The defect existed for above-mentioned prior art, the technical problems to be solved in the utility model is to provide the rainwater discharging well of a kind of rubber flap check valve that dams with lift, and it is not only simple in structure, and can accurately control the abandoned stream amount of early-stage rainwater.
For solving above-mentioned technical problem, this utility model have employed such a and dams with lift the rainwater discharging well of rubber flap check valve, and it includes shunting pond and equipment installs pond；Described shunting pond and described equipment are installed pond and are separated by training wall；The through hole for rain water drainage it is provided with bottom described training wall；Rainwater water inlet pipe, rainwater outlet pipe it is provided with in described shunting pond；Described equipment is provided with abandoned stream pipe in installing pond；Described equipment is provided with, in installing pond, the rubber flap check valve that dams；The water inlet of the described rubber flap check valve that dams connects with described through hole；The outlet of the described rubber flap check valve that dams connects with described rainwater outlet pipe；Described rainwater discharging well also includes controlling damming the control device that rubber flap check valve is turned on or off.
In a kind of preferred embodiment of the present utility model, described control device is positioned at outside described rainwater discharging well；Described control device includes the control chamber that the pluviometer for monitoring initial stage rainfall and the flap valve of rubber flap check valve that dams described in control are turned on or off.
In a kind of preferred embodiment of the present utility model, described pluviometer includes pluviometer outer housing；Rainwater induction apparatus, drip pan, collector pipe and electromagnetic valve it is connected with the most successively inside described pluviometer outer housing；The bottom discharge outlet of described drip pan connects with described collector pipe；The bottom discharge outlet of described collector pipe is provided with described electromagnetic valve；Described electromagnetic valve can be turned on and off under the effect of described rainwater induction apparatus；Described collector pipe is internally provided with the float switch for monitoring early-stage rainwater rainfall；The holding wire that on described pluviometer outer housing, the most estimated and described control chamber is connected connects control chamber.
In a kind of preferred embodiment of the present utility model, described float switch is fixed in inside described collector pipe by connecting plate and height regulating rod；Described float switch is fixed on described connecting plate；Described height regulating rod is connected to described collector pipe upper end；The lower end of described height regulating rod is affixed with described connecting plate.
In a kind of preferred embodiment of the present utility model, described collector pipe is also associated with overflow pipe；The top of described drip pan is provided with slag net.
In a kind of preferred embodiment of the present utility model, described in the rubber flap check valve that dams include drainage pipeline, power set, valve；Described drainage pipeline two ends are connected to described through hole and described rainwater outlet pipe；Described power set are vertically fixed in above described drainage pipeline；Described valve is hinged with described drainage pipeline；Described valve can be turned on or off under described power set effect.
In a kind of preferred embodiment of the present utility model, described power set are electric device or fluid pressure drive device；The piston rod end of described electric device or fluid pressure drive device connects directive wheel.
In a kind of preferred embodiment of the present utility model, described valve connects and has the guide plate of triangle.
In a kind of preferred embodiment of the present utility model, described in dam rubber flap check valve water inlet and described through hole between and described in dam rubber flap check valve outlet and described rainwater outlet pipe between be provided with the sealing ring being possible to prevent abandoned stream rainwater to leak.
In a kind of preferred embodiment of the present utility model, described rainwater outlet pipe is provided with slag trap.
In a kind of preferred embodiment of the present utility model, described in the dam water side of rubber flap check valve be provided with rubber expansion joint.
In a kind of preferred embodiment of the present utility model, equipment described in described abandoned stream Guan Weiyu is installed bottom pond；Described abandoned stream pipe is connected with sewage conduct.
The beneficial effects of the utility model are: this utility model simple in construction, and floor space is little, with integral prefabricated, easy for installation, safeguard simple, can centralized Control；This utility model is high to early-stage rainwater control accuracy simultaneously, uses PLC Automatic Control, can remotely or on the spot manipulate, it is possible to effectively intercepts floating thing and enters natural water.
Accompanying drawing explanation
Fig. 1 is the structure top view of rainwater discharging well of a kind of rubber flap check valve that dams with lift of this utility model；
Fig. 2 is the B-B sectional view of rainwater discharging well of a kind of rubber flap check valve that dams with lift of this utility model in Fig. 1；
Fig. 3 is the C-C sectional view of rainwater discharging well of a kind of rubber flap check valve that dams with lift of this utility model in Fig. 2；
Fig. 4 is the pluviometer structural representation of rainwater discharging well of a kind of rubber flap check valve that dams with lift of this utility model；
Fig. 5 is the partial enlarged drawing of rainwater discharging well of a kind of rubber flap check valve that dams with lift of this utility model in Fig. 3；
Fig. 6 is the duty of abandoned stream well when not having rainfall of rainwater discharging well of a kind of rubber flap check valve that dams with lift of this utility model；
Fig. 7 is the duty that abandoned stream well constantly occurs in rainfall of rainwater discharging well of a kind of rubber flap check valve that dams with lift of this utility model；
In figure: 1-shunts pond；2-equipment installs pond；3-training wall；4-through hole；5-rainwater water inlet pipe；6-rainwater outlet pipe；7-cat ladder；8-abandoned stream pipe；9-dams rubber flap check valve；10-controls device；11-slag trap；12-sealing ring；13-rubber expansion joint；9a-drainage pipeline；9b-power set；9c-valve；10a-pluviometer；10b-control chamber；10a-pluviometer；10b-control chamber；10a-1-pluviometer outer housing；10a-2-rainwater induction apparatus；10a-3-drip pan；10a-4-collector pipe；10a-5-electromagnetic valve；10a-6-float switch；10a-7-holding wire connects control chamber；10a-8-slag net；A-sewage conduct；D-natural water.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
As shown in Figure 1 to Figure 3 a kind of understands with the dam structural representation of rainwater discharging well of rubber flap check valve of lift, and this utility model is a kind of includes shunting pond 1 and equipment installs pond 2 with the dam rainwater discharging well of rubber flap check valve of lift；Shunting pond 1 and equipment are installed pond 2 and are separated by training wall 3；The through hole 4 for rain water drainage it is provided with bottom training wall 3；Shunting is provided with rainwater water inlet pipe 5, rainwater outlet pipe 6 and cat ladder 7 in pond 1；Equipment is provided with abandoned stream pipe 8 and cat ladder 7 in installing pond 2；Equipment is provided with, in installing pond 2, the rubber flap check valve 9 that dams；The water inlet of rubber flap check valve 9 of damming connects with through hole 4；The outlet of rubber flap check valve 9 of damming connects with rainwater outlet pipe 6；Rainwater discharging well also includes controlling damming the control device 10 that rubber flap check valve 9 is turned on or off.
Wherein pluviometer 10a includes pluviometer outer housing 10a-1；Rainwater induction apparatus 10a-2, drip pan 10a-3, collector pipe 10a-4 and electromagnetic valve 10a-5 it is connected with the most successively inside pluviometer outer housing 10a-1；The bottom discharge outlet of drip pan 10a-3 connects with collector pipe 10a-4；The bottom discharge outlet of collector pipe 10a-4 is provided with electromagnetic valve 10a-5；Electromagnetic valve 10a-5 can be turned on and off under the effect of described rainwater induction apparatus 10a-2；Collector pipe 10a-4 is internally provided with the float switch 10a-6 for monitoring early-stage rainwater rainfall；Float switch 10a-6 is fixed in inside described collector pipe 10a-4 by connecting plate and height regulating rod；Float switch 10a-6 is fixed on connecting plate；Height regulating rod is connected to collector pipe 10a-4 upper end；The lower end of height regulating rod is affixed with connecting plate；Float switch 10a-6 can realize adjusting by regulation height regulating rod in the position of collector pipe, and the rainfall of initial rainfall controls to be to be determined by float switch 10a-6.Also it is connected with the holding wire being connected with control chamber 10b on pluviometer outer housing 10a-1 and meets control chamber 10a-7；The top of drip pan 10a-3 is provided with slag net 10a-8；Being also associated with overflow pipe on collector pipe 10a-4, the top of overflow pipe connects with the overfall on the sidewall of collector pipe 10a-4, and the bottom of overflow pipe connects with the discharge outlet of electromagnetic valve 10a-5 lower end.The rainwater induction apparatus 10a-2 on pluviometer outer housing 10a-1 top is two, it is rainwater induction apparatus 1 and rainwater induction apparatus 2 respectively, wherein rainwater induction apparatus 1 main by whether rainfall and initial rainfall rainfall number trigger the opening and closing of electromagnetic valve 10a-5, rainwater induction apparatus 2 then mainly reaches after early-stage rainwater rainfall triggers float switch when initial stage rainfall, for being turned on or off of rubber flap check valve 9 of monitoring follow-up whole rainfall thus control is dammed.
The rubber flap check valve 9 that dams in this utility model includes drainage pipeline 9a, power set 9b, valve 9c；Drainage pipeline 9a two ends are connected to through hole 4 and rainwater outlet pipe 6；Power set 9b is vertically fixed in above drainage pipeline 9a；Valve 9c is hinged with drainage pipeline 9a；Valve 9c can be turned on or off under power set 9b effect.Power set 9b is electric device or fluid pressure drive device；The piston rod end of electric device or fluid pressure drive device connects directive wheel.Connect on described valve 9c and have the guide plate of triangle.Dam between water inlet and the through hole 4 of rubber flap check valve 9 and be provided with, between the outlet of the rubber flap check valve 9 that dams and rainwater outlet pipe 6, the sealing ring 12 being possible to prevent abandoned stream rainwater to leak.Control device 10 to be positioned at outside rainwater discharging well；Control device 10 and include the pluviometer 10a for monitoring initial stage rainfall and for controlling to dam the valve opening of rubber flap check valve 9 or the control chamber 10b of closedown.Slag trap 11 it is provided with on rainwater outlet pipe 6.The dam water side of rubber flap check valve 9 is provided with rubber expansion joint 13.Abandoned stream pipe 8 is to install bottom pond 2 with described equipment；Described abandoned stream pipe 8 is connected with sewage conduct.The central axis of abandoned stream pipe 8 and the central axis conllinear of through hole 4 on training wall 3.
nullOperation principle of the present utility model is: when rainfall occurs，First rainwater induction apparatus 1 senses rainfall generation，Feed back signal to control chamber and close electromagnetic valve，Rainwater is flowed in collector pipe by drip pan simultaneously，If a rainfall is not reaching to early-stage rainwater rainfall，Rainfall just terminates，Then electromagnetic valve is opened，Water then EP (end of program) in emptying collector pipe，If a rainfall rainfall has reached early-stage rainwater rainfall，Then float switch is triggered，Illustrate that initial rainfall amount has dropped，Then PLC starts to record the rainwater catchment time，After reaching according to collecting the rainwater time that distance sets，Then early-stage rainwater stream abandoning terminates，Close lift to dam rubber flap check valve (electronic or surge)，Later stage Water in Rainwater Drainage is made to be put into natural water，At this moment rainwater induction apparatus 2 can monitor whole rainfall，When rainfall terminates to second rainfall to start，The intra-record slack byte time (can set according to pollution is different) with setting value when little，Can directly discharge without abandoned stream again，During this section when there is one or many rainfall，The lift rubber flap check valve (electronic or surge) that dams is closed，Reclocking，When during this section, one rainfall event stops, then the lift rubber flap check valve (electronic or surge) that dams is opened，Start reclocking.When more than setting value, open the water in electromagnetic valve emptying collector pipe, EP (end of program) abandoned stream again.
When using this utility model, when there is no rainfall, the lift rubber flap check valve (electronic or surge) that dams is in opening, and the artificial sewage (such as sprinkler, steathily row etc.) that road produces directly can flow to sewage conduct by abandoned stream caliber.When rainfall occurs, pluviometer can calculate early-stage rainwater amount of rainfall (according to GB 50400-2006 " building with community rainwater utilization project technical specification " when non-avaible, roofing abandoned stream can use 2-3mm, ground abandoned stream can use 3-5mm runoff thickness or self-defined).When reaching to set numerical value, pluviometer can feed back signal to control chamber, start to record the rainwater catchment time, after reaching according to collecting the rainwater time that distance sets, then early-stage rainwater stream abandoning terminates, close lift to dam rubber flap check valve (electronic or surge), make later stage rainwater be discharged into natural water by drain pipe.Later stage rainwater drain time is determined according to rain frequency, when rainfall terminates to second rainfall to start, the intra-record slack byte time (can set according to pollution is different) with setting value when little, can directly discharge without abandoned stream again, when more than setting value, abandoned stream the most again.Therefore rainfall regime abandoned stream well can reduce by the pollutant entrance natural water of more than 80%, effectively solves the early-stage rainwater pollution to river.
Should be understood that; the foregoing is only the detailed description of the invention of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope that disclosed herein; the change that can readily occur in or replacement, all should contain within protection scope of the present invention.
Claims (10)
1. dam the rainwater discharging well of rubber flap check valve with lift, including shunting pond (1) and equipment installation pond (2)；Described shunting pond (1) and described equipment are installed pond (2) and are separated by training wall (3)；Described training wall (3) bottom is provided with the through hole (4) for rain water drainage；Rainwater water inlet pipe (5), rainwater outlet pipe (6) it is provided with in described shunting pond (1)；Described equipment is provided with abandoned stream pipe (8) in installing pond (2)；It is characterized in that: described equipment is provided with the rubber flap check valve that dams (9) in installing pond (2)；The water inlet of the described rubber flap check valve that dams (9) connects with described through hole (4)；The outlet of the described rubber flap check valve that dams (9) connects with described rainwater outlet pipe (6)；Described rainwater discharging well also includes controlling damming the control device (10) that rubber flap check valve (9) is turned on or off.
The rainwater discharging well of a kind of rubber flap check valve that dams with lift the most according to claim 1, it is characterised in that: described control device (10) is positioned at outside described rainwater discharging well；Described control device (10) includes that the pluviometer (10a) for monitoring initial stage rainfall and being used for dams the control chamber (10b) that the flap valve of rubber flap check valve (9) is turned on or off described in controlling.
The rainwater discharging well of a kind of rubber flap check valve that dams with lift the most according to claim 2, it is characterised in that: described pluviometer (10a) includes pluviometer outer housing (10a-1)；Described pluviometer outer housing (10a-1) is internal is connected with rainwater induction apparatus (10a-2), drip pan (10a-3), collector pipe (10a-4) and electromagnetic valve (10a-5) the most successively；The bottom discharge outlet of described drip pan (10a-3) connects with described collector pipe (10a-4)；The bottom discharge outlet of described collector pipe (10a-4) is provided with described electromagnetic valve (10a-5)；Described electromagnetic valve (10a-5) can be turned on and off under the effect of described rainwater induction apparatus (10a-2)；Described collector pipe (10a-4) is internally provided with the float switch (10a-6) for monitoring early-stage rainwater rainfall；Also it is connected with the holding wire being connected with described control chamber (10b) on described pluviometer outer housing (10a-1) and connects control chamber (10a-7).
The rainwater discharging well of a kind of rubber flap check valve that dams with lift the most according to claim 3, it is characterised in that: it is internal that described float switch (10a-6) is fixed in described collector pipe (10a-4) by connecting plate and height regulating rod；Described float switch (10a-6) is fixed on described connecting plate；Described height regulating rod is connected to described collector pipe (10a-4) upper end；The lower end of described height regulating rod is affixed with described connecting plate.
The rainwater discharging well of a kind of rubber flap check valve that dams with lift the most according to claim 3, it is characterised in that: it is also associated with overflow pipe on described collector pipe (10a-4)；The top of described drip pan (10a-3) is provided with slag net (10a-8).
The rainwater discharging well of a kind of rubber flap check valve that dams with lift the most according to claim 1, it is characterized in that: described in the rubber flap check valve (9) that dams include drainage pipeline (9a), power set (9b), valve (9c)；Described drainage pipeline (9a) two ends are connected to described through hole (4) and described rainwater outlet pipe (6)；Described power set (9b) are vertically fixed in described drainage pipeline (9a) top；Described valve (9c) is hinged with described drainage pipeline (9a)；Described valve (9c) can be turned on or off under described power set (9b) act on.
The rainwater discharging well of a kind of rubber flap check valve that dams with lift the most according to claim 6, it is characterised in that: described power set (9b) are electric device or fluid pressure drive device；The piston rod end of described electric device or fluid pressure drive device connects directive wheel.
The rainwater discharging well of a kind of rubber flap check valve that dams with lift the most according to claim 6, it is characterised in that: described valve (9c) is upper connects the guide plate having triangle.
The rainwater discharging well of a kind of rubber flap check valve that dams with lift the most according to claim 1, it is characterised in that between water inlet and the described through hole (4) of the rubber flap check valve (9) that dams described in: and described in dam rubber flap check valve (9) outlet and described rainwater outlet pipe (6) between be provided with the sealing ring (12) being possible to prevent abandoned stream rainwater to leak.
The rainwater discharging well of a kind of rubber flap check valve that dams with lift the most according to claim 1, it is characterised in that the water side of the rubber flap check valve (9) that dams described in: is provided with rubber expansion joint (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521139504.8U CN205475652U (en) | 2015-12-31 | 2015-12-31 | Liu jing is abandoned to rainwater with over -and -under type rubber lamella check valve that dams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521139504.8U CN205475652U (en) | 2015-12-31 | 2015-12-31 | Liu jing is abandoned to rainwater with over -and -under type rubber lamella check valve that dams |
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| CN205475652U true CN205475652U (en) | 2016-08-17 |
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| CN201521139504.8U Active CN205475652U (en) | 2015-12-31 | 2015-12-31 | Liu jing is abandoned to rainwater with over -and -under type rubber lamella check valve that dams |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507415A (en) * | 2015-12-31 | 2016-04-20 | 武汉圣禹排水系统有限公司 | Rainwater abandoning well with lifting-type shutoff rubber clack check valve |
| CN106522345A (en) * | 2016-11-28 | 2017-03-22 | 武汉市政工程设计研究院有限责任公司 | Automatic initial rainwater interception type rainwater inlet device |
-
2015
- 2015-12-31 CN CN201521139504.8U patent/CN205475652U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507415A (en) * | 2015-12-31 | 2016-04-20 | 武汉圣禹排水系统有限公司 | Rainwater abandoning well with lifting-type shutoff rubber clack check valve |
| CN106522345A (en) * | 2016-11-28 | 2017-03-22 | 武汉市政工程设计研究院有限责任公司 | Automatic initial rainwater interception type rainwater inlet device |
| CN106522345B (en) * | 2016-11-28 | 2021-12-28 | 武汉市政工程设计研究院有限责任公司 | Automatic formula inlet for stom water device of damming of first rain |
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