CN208121937U - A kind of rain grid and drainage receive well - Google Patents

A kind of rain grid and drainage receive well Download PDF

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Publication number
CN208121937U
CN208121937U CN201820154106.0U CN201820154106U CN208121937U CN 208121937 U CN208121937 U CN 208121937U CN 201820154106 U CN201820154106 U CN 201820154106U CN 208121937 U CN208121937 U CN 208121937U
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drainage
grid
water tank
plug
sunpender
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仵社教
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仵社教
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Abstract

The utility model discloses a kind of rain grid and drainage receives well, and the rain grid includes:Grid, sunpender and movement water tank, are provided with normal open scupper and multiple normally closed scuppers in the middle part of grid, compressed spring are set on sunpender, the upper end of sunpender is connected on grid, and the lower end of sunpender is connected with pallet;Act water tank upper end opening, it acts and is provided with hanger at the port of water tank, movement water tank rides over the upper end of compressed spring by hanger, is provided with plug shelf above hanger, multiple plug-boards are provided on plug shelf, each plug-board is corresponding to block a normally closed scupper upwards.The upper end that the drainage receives well is gutter inlet, and internal is drainage storehouse, and the side in drainage storehouse is provided with clean water sump, be provided on gutter inlet more than rain grid.The rain grid of the utility model can be closed usually, prevented rubbish and sundries from entering and received the mouth of a river, avoided pollution object entrance, can be automatically opened when raining heavyly, and by rainwater, all income is received in the mouth of a river, not influence to drain.

Description

A kind of rain grid and drainage receive well
Technical field
The utility model belongs to municipal drainage facility field, receives well more particularly, to a kind of rain grid and drainage.
Background technique
The sponge urban construction at present of collection storage in to(for) rainwater is the key link of sponge urban construction, as long as completing Collection and water storage, so that it may utilize creation necessary and sufficient condition for next step rainwater.It collects and the key of water storage is to collect To clean rainwater, be conducive to safeguard storage facilities and the work of container normal operation and the utilization for being conducive to rainwater in this way.If The very dirty impure amount of rainwater is big, and container needs frequent cost time and manpower removes deposit and floating material, and dirty water is not yet It is utilized conducive to normal, is that purification and the processing manufacture of further water are difficult.The receipts mouth of a river of existing rainwater-collecting setting is general It is arranged at the low level of both sides of the road, usually there are road cleaning personnel or live in the people of both sides of the road and sundries or rubbish are poured into receipts In the mouth of a river, the sundries on watershed surface can also be flowed into rainwater, cause the rainwater being collected into collection drainage facility contaminated, no But the utilization cost of rainwater resource is increased, and is easy blocking and stays drainage facility, increases manpower maintenance cost.
Utility model content
In order to solve this problem, the utility model proposes a kind of rain grids and drainage to receive well, wherein rain grid It can be closed usually, prevent sundries booty from entering drainage and receive in well, avoid pollution object entrance, can be automatically opened when rainy, By rainwater, all income is received in the mouth of a river, does not influence to drain.
In order to achieve the above object, the utility model is resolved using following technical scheme.
The content of the utility model first aspect proposes a kind of rain grid, including:Grid, sunpender and movement water tank, institute It states grid to be erected on gutter inlet, normal open scupper and multiple normally closed scuppers is provided in the middle part of the grid, it is described The edge of normal open scupper is provided with water blocking enclosure;Compressed spring is set on the sunpender, the upper end of the sunpender is connected to On the grid, the lower end of the sunpender is connected with pallet;The movement water tank upper end opening, bottom are provided with scupper, institute It states and is provided with hanger at the port of movement water tank, the movement water tank rides over the upper end of the compressed spring by the hanger, Be connected with plug shelf above the hanger, be provided with multiple plug-boards on the plug shelf, each plug-board it is corresponding to One normally closed scupper of upper closure.
Rain grid according to the present utility model, the normally closed scupper on grid are sealed usually by the plug-board on plug shelf Stifled, the edge of the normal open scupper on grid is padded by water blocking enclosure, and the waste water of anthropogenic discharge is made to be not easily accessed rainwater collection water In mouthful, the waste water and rubbish and sundries of anthropogenic discharge will not be received.When rainy, with persistently saving bit by bit for rainwater, rainwater meeting It covers water blocking enclosure and enters normal open scupper, then fallen through in the movement water tank being lifted on sunpender from normal open scupper, when Although the bottom of movement water tank has scupper, when leak speed is far away from water intake velocity Jing Guo normal open scupper, with Water inlet in movement water tank save bit by bit, make the compressed spring below hanger that can also continue to be compressed, be connected to above hanger Plug shelf can also decline with hanger, and until the plug-board on plug shelf completely disengages the normally closed scupper on grid, this is often It closes scupper to fully open, rainwater can directly enter in movement water tank from normally closed scupper, then overflow from movement water tank, flow into Collect in drainage facility.The rain grid of the utility model can be closed usually, prevent the waste water and rubbish and sundries of anthropogenic discharge It into the mouth of a river is received, avoids pollution object and enters in the receipts mouth of a river, when rainwater precipitation has some strength and duration, make to act water The case amount of beginning to decline after compressed spring under the effect of gravity, until the normally closed scupper on rain grid is opened, rainwater is complete Portion's income is received in the mouth of a river, realizes normal receipts water function.
Preferably, the cross section of the sunpender in non-circular, is vertically provided with non-circular sleeve, institute on the hanger State non-circular sleeve suit on the suspender, the upper end of the compressed spring is resisted against the lower end of the non-circular sleeve.
Rain grid according to the present utility model, acting the hanger on water tank and being sleeved on section by non-circular sleeve is four It on rectangular sunpender, rotate hanger can not relative to sunpender, the plug shelf above such hanger can not turn with respect to sunpender It is dynamic, guarantee that the plug-board on plug shelf can correspond and blocks normally closed scupper.
Preferably, the edge of the upper port of the movement water tank is provided with the horn mouth extended out.
Rain grid according to the present utility model, the bore for acting water tank do not need excessive, the loudspeaker of movement water tank upper port Mouth can all drain into the rainwater for entering grid in movement water tank.
Preferably, the top of the water blocking enclosure is connected with shutter, the shutter is blocked to be enclosed in the water blocking The surface of the port of circle.
Rain grid according to the present utility model, shutter block the surface in the port of water blocking enclosure, and being equivalent to makes Normal open scupper lateral openings, can prevent rubbish and sundries from falling into normal open scupper from surface.
Preferably, being equipped with filter screen above the grid.
Rain grid according to the present utility model, when the top of grid is laid with filter screen, can prevent rainfall on grid After normally closed scupper is opened, there are rubbish and sundries to enter in gutter inlet with rainwater.
The content of the second aspect of the utility model proposes that a kind of drainage receives well, and the upper end is gutter inlet, in Portion is drainage storehouse, and the side in the drainage storehouse is provided with clean water sump, above-described rainwater is provided on the gutter inlet Grate;The clean water sump is connected by drainpipe with collecting system, is provided with filter between the drainage storehouse and the clean water sump Water layer.
Drainage according to the present utility model receives well, is provided with above-described rain grid at gutter inlet, in Portion is drainage storehouse, and the side in drainage storehouse is provided with clean water sump, and the rainwater in drainage storehouse enters water purification after can filtering by drainage layer Storehouse, then from the collecting system that the drainpipe in clean water sump flows into city.
Preferably, further including impurity discharging port, the impurity discharging port is located at the underface of the gutter inlet, the impurities removal Mouth is connected by impurities removal pipeline with drainage;The bottom of movement water tank in the rain grid is vertically arranged with connecting rod, The lower end of the connecting rod is provided with impurities removal plug, and the impurities removal plug matches with the impurity discharging port.
Drainage according to the present utility model receives well, and it is driven to enter the rainwater in gutter inlet by filter screen and grid Make after spilling into drainage storehouse in water tank, most of to enter in clean water sump after being filtered in drainage layer again, the still meeting in drainage storehouse Sundries under many filterings of accumulation.When raining heavyly, weight increases after acting water tank internal water accumulation, and compressed spring is pressurized, and acts water The connecting rod in bottom portion pushes, and the impurities removal plug for being connected to connecting rod lower end clogs impurity discharging port, starts ponding in drainage storehouse, and ponding passes through Enter clean water sump after drainage layer filtering, by the filtering foreign in water in drainage storehouse.After stopping raining, in rain grid It acts the complete rear weight of the water flow in water tank to reduce, compressed spring pushing action water tank rises, and the connecting rod for acting water tank bottom will be arranged Miscellaneous to mention beyond the Great Wall, impurity discharging port is opened, and remaining ponding will flow into impurities removal pipeline from impurity discharging port together with impurity in drainage storehouse, final to flow Enter in the drainage in city, ponding and impurity in drainage storehouse is made to be emptied.
Preferably, the side wall of the impurity discharging port is annular inner conical surface, the plugging surface of the impurities removal plug is and the row The annular male cone (strobilus masculinus) that the side wall of miscellaneous mouth matches, it is described annular male cone (strobilus masculinus) on be provided with rubber sealant.
Drainage according to the present utility model receives well, and the side wall of impurity discharging port is annular inner conical surface, and the plugging surface of impurities removal plug is The annular male cone (strobilus masculinus) to match, it is ensured that impurities removal plug can be filled in accurately in impurity discharging port.Rubber on the annular male cone (strobilus masculinus) of impurities removal plug Sealant can guarantee the leakproofness between impurities removal plug and impurity discharging port.
Preferably, overflow port is additionally provided on the side wall in the drainage storehouse, the height of the overflow port and the rain The height of the bottom of movement water tank in eradicating water grate is identical, and the overflow port is connected with flood control system.
Drainage according to the present utility model receives well, meeting after height where the rainwater in drainage storehouse rises to movement water tank Buoyancy is generated to movement water tank, causes to act the normally closed overboard bore closure on water tank rising and grid, in order to avoid the above feelings Condition occurs, should on the side wall in drainage storehouse with overflow port is set at the identical height in the movement bottom of water tank, overflow port can will be extra Rainwater be discharged into the flood control system in city by pipeline.
Preferably, being provided with the lateral slot that at least a pair of openings is opposite between the drainage storehouse and the clean water sump With the bottom slot of an opening upwards, the bottom slot is connected between two lateral slots, and the drainage layer is assemblied in In the lateral slot and the bottom slot.
Drainage according to the present utility model receives well, and drainage layer can be the various seepy materials that component is supported, than Such as geotextiles, gravel filter layer and comprehensive permeable drainage layer can be by being placed on after drainage layer is carried out in advance under lateral slot Between drainage storehouse and clean water sump, the lower edge of drainage layer is inserted in bottom slot, can be by drainage when needing replacing drainage layer Layer proposes that drainage is received outside well from side into slot and bottom slot, then transfers new drainage layer.
Detailed description of the invention
The utility model is described in further details in the following with reference to the drawings and specific embodiments.
Fig. 1 is the complete section structure diagram of the rain grid in the content of the first aspect of the utility model;
Fig. 2 is the structure diagram under the rain grid in Fig. 1 is in close state;
Fig. 3 is the complete section structure diagram of the drainage receipts well in the content of the second aspect of the utility model;
Fig. 4 is that the drainage in Fig. 2 receives structure diagram of the well in the case where rain grid is in close state.
In Fig. 1 to Fig. 4:1 grid;101 normal open scuppers;102 normally closed scuppers;103 water blocking enclosures;104 shutters; 2 sunpenders;3 compressed springs;4 pallets;5 movement water tanks;501 scuppers;510 hangers;511 non-circular sleeves;520 plug shelfs;521 Plug-board;530 horn mouths;6 gutter inlets;7 clean water sumps;8 drainpipes;9 drainage layers;10 impurity discharging ports;11 impurities removal pipelines;12 Connecting rod;13 impurities removal plugs;14 overflow ports;15 drainage storehouses;16 curbs;17 sides are to slot;18 bottom slots.
Specific embodiment
With reference to Fig. 1 and Fig. 2, the embodiment of utility model first aspect proposes a kind of rain grid, including:Grid 1, sunpender 2 are erected on gutter inlet 6 with movement water tank 5, the grid 1, and the middle part of the grid 1 is provided with normal open scupper 101 With multiple normally closed scuppers 102, the edge of the normal open scupper 101 is provided with water blocking enclosure 103;It is set on the sunpender 2 There is compressed spring 3, the upper end of the sunpender 2 is connected on the grid 1, and the lower end of the sunpender 2 is connected with pallet 4;It is described 5 upper end opening of water tank is acted, bottom is provided with scupper 501, is provided with hanger 510, institute at the port of the movement water tank 5 The upper end that movement water tank 5 rides over the compressed spring 3 by the hanger 510 is stated, the top of the hanger 510 is connected with slotting Frame 520 is filled in, multiple plug-boards 521 are provided on the plug shelf 520, each plug-board 521 is corresponding to block one upwards The normally closed scupper 102.
In the embodiment above, the normally closed scupper 101 on grid 1 is usually by 521 envelope of plug-board on plug shelf 520 Stifled, the edge of the normal open scupper 102 on grid 1 is padded by water blocking enclosure 103, and the waste water of anthropogenic discharge is made to be not easily accessed rain Water is received in the mouth of a river, and the waste water and rubbish and sundries of anthropogenic discharge will not be received.When rainy, with persistently saving bit by bit for rainwater, Rainwater can cover water blocking enclosure 103 and enter normal open scupper 101, then falls through and be lifted on sunpender 2 from normal open scupper 101 Movement water tank 5 in, although when movement water tank 5 bottom have scupper 501, when leak speed far away from pass through normal open When the water intake velocity of scupper 102, with saving bit by bit for the water inlet in movement water tank 5, make the compressed spring 3 of 510 lower section of hanger It can continue to be compressed, the plug shelf 520 for being connected to 510 top of hanger also can be as hanger 510 declines, until on plug shelf 520 Plug-board 521 completely disengage the normally closed scupper 102 on grid 1, normally closed scupper 102 fully opens at this time, and rainwater can be straight It connects from normally closed scupper 102 and enters in movement water tank 5, then overflowed from movement water tank 5, flowed into collection drainage facility.This is practical new The rain grid of type can be closed usually, prevented the waste water of anthropogenic discharge and rubbish and sundries from entering and received the mouth of a river, avoid pollution Object, which enters, to be received in the mouth of a river, when rainwater precipitation has some strength and duration, movement water tank 5 is made to make to press under the effect of gravity The amount of beginning to decline after contracting spring 3 is shunk, until the normally closed scupper 102 on rain grid is opened, by rainwater, all income is received In the mouth of a river, normal receipts water function is realized.
With reference to Fig. 1 and Fig. 2, one embodiment according to the present utility model, the cross section of the sunpender 2 is in non-circular, institute It states and is vertically provided with non-circular sleeve 511 on hanger 510, the non-circular sleeve 511 is sleeved on the sunpender 2, the pressure The upper end of contracting spring 3 is resisted against the lower end of the non-circular sleeve 511.
In the embodiment above, the hanger 510 acted on water tank 5 is sleeved on section by non-circular sleeve 511 as four directions It on the sunpender 2 of shape, rotate hanger 510 can not relative to sunpender 2, the plug shelf 520 of such 510 top of hanger can not It is rotated relative to sunpender 2, guarantees that the plug-board 521 on plug shelf 520 can correspond and block normally closed scupper 102.
With reference to Fig. 1 and Fig. 2, the edge of one embodiment according to the present utility model, the upper port of the movement water tank 5 is set It is equipped with the horn mouth 530 extended out.
In the embodiment above, the bore of movement water tank 5 does not need excessive, and the horn mouth 530 of movement 5 upper port of water tank can The rainwater for entering grid 1 is all drained into movement water tank 5.
With reference to Fig. 1 and Fig. 2, the top of one embodiment according to the present utility model, the water blocking enclosure 103 is connected with screening Baffle 104, the shutter 104 block the surface in the port of the water blocking enclosure 103.
In the embodiment above, shutter 104 is blocked in the surface of the port of water blocking enclosure 103, and being equivalent to makes normal open 101 lateral openings of scupper, can prevent rubbish and sundries from falling into normal open scupper 101 from surface.
The top of one embodiment according to the present utility model, the grid 1 is equipped with filter screen.
In the embodiment above, normally closed overboard on grid 1 when the top of grid 1 is laid with filter screen, can prevent rainfall After hole 102 is opened, there are rubbish and sundries to enter in gutter inlet 6 with rainwater.
With reference to Fig. 3 and Fig. 4, the embodiment of the utility model second aspect proposes that a kind of drainage receives well, and the upper end is rain Water receives the mouth of a river 6, and internal is drainage storehouse 15, and the side in the drainage storehouse 15 is provided with clean water sump 7, on the gutter inlet 6 It is provided with above-described rain grid;The clean water sump 7 is connected by drainpipe 8 with collecting system, the drainage storehouse 15 Drainage layer 9 is provided between the clean water sump 7.
In the embodiment above, above-described rain grid is provided at gutter inlet 6, internal is drainage storehouse 15, the side in drainage storehouse 15 is provided with clean water sump 7, and the rainwater in drainage storehouse 15 enters clean water sump after can filtering by drainage layer 9 7, then from the collecting system that the drainpipe 8 in clean water sump 7 flows into city.
As shown in figure 4, one embodiment according to the present utility model, further includes impurity discharging port 10, the impurity discharging port 10 is located at The underface of the gutter inlet 6, the impurity discharging port 10 are connected by impurities removal pipeline 11 with drainage;The downspout strainer The bottom of movement water tank 5 in son is vertically arranged with connecting rod 12, and the lower end of the connecting rod 12 is provided with impurities removal plug 13, the impurities removal Plug 13 matches with the impurity discharging port 10.
In the embodiment above, enter the rainwater in gutter inlet 6 from movement water tank 5 by filter screen and grid 1 It is most of to enter in clean water sump 7 after being filtered in drainage layer 9 again after spilling into drainage storehouse, in drainage storehouse 15 or it can accumulate Sundries under many filterings.When raining heavyly, weight increases after acting 5 internal water accumulation of water tank, and compressed spring 3 is pressurized, and acts water tank 5 The connecting rod 12 of bottom pushes, and the impurities removal plug 13 for being connected to 12 lower end of connecting rod clogs impurity discharging port 10, starts ponding in drainage storehouse 15, Ponding enters clean water sump 7 after the filtering of filtered water level 9, by the filtering foreign in water in drainage storehouse 15.After stopping raining, The complete rear weight of the water flow in movement water tank 5 in rain grid reduces, and 3 pushing action water tank 5 of compressed spring rises, and acts water tank The connecting rod 12 of 5 bottoms above mentions impurities removal plug 13, and impurity discharging port 10 is opened, and remaining ponding will be with impurity in drainage storehouse 15 together from row Miscellaneous mouth 10 flows into impurities removal pipeline 11, finally flows into the drainage in city, ponding and impurity in drainage storehouse 15 is made to be emptied.
As shown in figure 4, one embodiment according to the present utility model, the side wall of the impurity discharging port 10 is annular inner conical surface, The plugging surface of the impurities removal plug 13 is the annular male cone (strobilus masculinus) to match with the side wall of the impurity discharging port 10, on the annular male cone (strobilus masculinus) It is provided with rubber sealant.
In the embodiment above, the side wall of impurity discharging port 10 is annular inner conical surface, and the plugging surface of impurities removal plug 13 matches Annular male cone (strobilus masculinus), it is ensured that impurities removal plug 13 can accurately be filled in impurity discharging port 10.Rubber sealant on the male cone (strobilus masculinus) of impurities removal plug 13 It can guarantee the leakproofness between impurities removal plug 13 and impurity discharging port 10.
As shown in Figure 3 and Figure 4, one embodiment according to the present utility model is also set up on the side wall in the drainage storehouse 15 There is overflow port 14, the height of the overflow port 14 is identical as the movement height of bottom of water tank 5 in the rain grid, described Overflow port 14 is connected with flood control system.
It in the embodiment above, can be to movement water after the rainwater in drainage storehouse 15 rises to movement 5 place height of water tank Case 5 generates buoyancy, causes the normally closed scupper 102 acted on the rising of water tank 5 and grid 1 to be closed, in order to avoid above situation Occur, overflow port 14 should be set at height identical as the movement bottom of water tank 5 on the side wall in drainage storehouse 15, overflow port 14 can incite somebody to action Extra rainwater is discharged into the flood control system in city by pipeline.
As shown in Figure 3 and Figure 4, one embodiment according to the present utility model, the drainage storehouse 15 and the clean water sump 7 it Between be provided with the bottom slot 18 of at least a pair of openings opposite lateral slot 17 and an opening upwards, the bottom slot 18 It is connected between two lateral slots 17, the drainage layer 9 is assemblied in the lateral slot 17 and the bottom slot 18.
In the embodiment above, drainage layer 9 can be the various seepy materials that component is supported, such as geotextiles, sand Gravel filter layer and comprehensive drainage pervious bed etc., can be by being placed on drainage storehouse 15 under lateral slot 17 after drainage layer 9 is carried out in advance Between clean water sump 7, the lower edge of drainage layer 9 is inserted in bottom slot 18, can be by drainage when needing replacing drainage layer 9 Layer 9 proposes that drainage is received outside well from side into slot 17 and bottom slot 18, then transfers new drainage layer 9.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art Novel spirit and scope.If in this way, these modification and variations of the utility model belong to the utility model claims and Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.

Claims (10)

1. a kind of rain grid, which is characterized in that including:
Grid (1), the grid (1) are erected on gutter inlet, are provided with normal open scupper in the middle part of the grid (1) (101) and multiple normally closed scuppers (102), the edge of the normal open scupper (101) are provided with water blocking enclosure (103);
Sunpender (2) is set with compressed spring (3) on the sunpender (2), and the upper end of the sunpender (2) is connected to the grid (1) On, the lower end of the sunpender (2) is connected with pallet (4);
It acts water tank (5), movement water tank (5) upper end opening, bottom is provided with scupper (501), the movement water tank (5) Port at be provided with hanger (510), movement water tank (5) rides over the compressed spring (3) by the hanger (510) Upper end is provided with plug shelf (520) above the hanger (510), is provided with multiple plug-boards on the plug shelf (520) (521), each plug-board (521) is corresponding blocks a normally closed scupper (102) upwards.
2. rain grid according to claim 1, which is characterized in that the cross section of the sunpender (2) is described in non-circular It being vertically provided on hanger (510) non-circular sleeve (511), the non-circular sleeve (511) is sleeved on the sunpender (2), The upper end of the compressed spring (3) is resisted against the lower end of the non-circular sleeve (511).
3. rain grid according to claim 1, which is characterized in that the edge of the upper port of movement water tank (5) is set It is equipped with the horn mouth (530) extended out.
4. rain grid according to claim 1, which is characterized in that the top of the water blocking enclosure (103) is connected with screening Baffle (104), the shutter (104) block the surface in the port of the water blocking enclosure (103).
5. rain grid according to claim 1, which is characterized in that be equipped with filter screen above the grid (1).
6. a kind of drainage receives well, which is characterized in that the upper end is gutter inlet (6), and internal is drainage storehouse (15), described The side in drainage storehouse (15) is provided with clean water sump (7), is provided with described in claim 1 to 5 on the gutter inlet (6) Rain grid;The clean water sump (7) is connected by drainpipe (8) with collecting system, the drainage storehouse (15) and the water purification Drainage layer (9) are provided between storehouse (7).
7. drainage according to claim 6 receives well, which is characterized in that further include impurity discharging port (10), the impurity discharging port (10) it is located at the underface of the gutter inlet (6), the impurity discharging port (10) passes through impurities removal pipeline (11) and drainage phase Connection;The bottom of movement water tank (5) in the rain grid is vertically arranged with connecting rod (12), and the lower end of the connecting rod (12) is set It is equipped with impurities removal plug (13), the impurities removal plug (13) matches with the impurity discharging port (10).
8. drainage according to claim 7 receives well, which is characterized in that the side wall of the impurity discharging port (10) is inner conical surface, The plugging surface of the impurities removal plug (13) is the male cone (strobilus masculinus) to match with the side wall of the impurity discharging port (10), is arranged on the male cone (strobilus masculinus) There is rubber sealant.
9. drainage according to claim 6 receives well, which is characterized in that the middle part that the drainage receives the side wall of well is also set It is equipped with overflow port (14), the height of the bottom of the height and movement water tank (5) in the rain grid of the overflow port (14) Identical, the overflow port (14) is connected with flood control system.
10. drainage according to claim 6 receives well, which is characterized in that the drainage storehouse (15) and the clean water sump (7) Between be provided with the bottom slot (18) of at least a pair of openings opposite lateral slot (17) and an opening upwards, the bottom Slot (18) is connected between two lateral slots (17), and the drainage layer (9) is assemblied in the lateral slot (17) and described In bottom slot (18).
CN201820154106.0U 2018-01-30 2018-01-30 A kind of rain grid and drainage receive well Active CN208121937U (en)

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Application Number Priority Date Filing Date Title
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CN208121937U true CN208121937U (en) 2018-11-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111576133A (en) * 2020-05-25 2020-08-25 河南城建学院 Road drainage device is used in sponge city

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111576133A (en) * 2020-05-25 2020-08-25 河南城建学院 Road drainage device is used in sponge city
CN111576133B (en) * 2020-05-25 2021-09-28 河南城建学院 Road drainage device is used in sponge city

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