CN211973742U

CN211973742U - Drainage structure of underground evacuation stair

Info

Publication number: CN211973742U
Application number: CN202020429957.9U
Authority: CN
Inventors: 张瑞丽
Original assignee: Shenzhen Fangjia Architecture Design Co ltd
Current assignee: Shenzhen Fangjia Architecture Design Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-11-20
Anticipated expiration: 2030-03-27

Abstract

The utility model relates to a drainage structures of underground evacuation stair, which comprises a ground, a stair for intercommunication ground and formula square sink, stair include top-down's first step group and second step group that connects gradually, first step group and second step group all include the step board that permeates water, the junction of first step group and second step group is equipped with the landing slab, the width of landing slab is greater than the width of step board, stair one side is equipped with and is located subaerial greenbelt, the step board lower extreme of first step group is equipped with the water drainage tank, the greenbelt end connection that water drainage tank one end is close to next door ground has the drain pipe, be equipped with the water service pipe in one side that first step group is close to the drain pipe along the stair trend, the drain pipe is connected with the water service pipe, the water service pipe accesss to the underground of greenbelt or in the subaerial municipal pipeline. The utility model discloses collect the rainwater on stair and utilize, solve formula square drainage channel of sinking emission problem effectively, reduce ponding on the formula square of sinking.

Description

Drainage structure of underground evacuation stair

Technical Field

The utility model belongs to the technical field of the technique of building and specifically relates to a drainage structures of evacuation stair in the ground.

Background

With the rapid development of cities, the sunken plaza becomes an urban leisure plaza, and the sunken plaza is wholly or partially sunken in the surrounding environment. Compared with ground plazas, the sunken plazas reasonably utilize underground space, improve land utilization and become one of the ways of open space of high-density central cities. Because the whole or part of the sunken plaza sinks in the surrounding environment, generally, stairs arranged from the ground to the sunken plaza in the open are arranged at the entrance.

In rainy days, rainwater flows into the field from the entrance along the stairs arranged in the open air. The existing sunken plaza is usually provided with a drainage net and a drainage channel at the bottom of a stair, and drainage is mainly carried out by the drainage channel. Under the general condition, municipal drainage pipe is higher than the square that sinks, and the elevation of municipal pipe network is taken out to the water in the formula square drainage channel that sinks with the suction pump to rainy day, and when the rainwater was great, a large amount of rainwater passed through the direct flow direction formula square that sinks of stair, and during drainage channel overload, can lead to the unable in time discharge of too much rainwater, lead to a large amount of ponding in square.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an evacuation stair's drainage structures underground collects the utilization to the rainwater on stair, solves formula square drainage channel drainage problems of sinking effectively, reduces ponding on the formula square of sinking.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a drainage structures of underground evacuation stair, include ground, be used for the stair of intercommunication ground and formula square that sinks, stair include top-down's the first step group and the second step group that connect gradually, first step group and second step group all include the step board that permeates water, the junction of first step group and second step group is equipped with the landing slab, the width of landing slab is greater than the width of step board, stair one side is equipped with and is located subaerial greenbelt, the step board lower extreme of first step group is equipped with water drainage tank, water drainage tank one end is close to the greenbelt end connection on next door ground has the drain pipe, be equipped with the water service pipe on one side of stair trend and step drain pipe, the drain pipe is connected with the water service pipe, the underground reservoir or the subaerial municipal pipeline intercommunication of water service pipe and greenbelt.

Through adopting above-mentioned technical scheme, the rainwater is organized through first step and is gone up in the step board infiltration water drainage tank that permeates water, the rainwater has the eminence to flow in the water pipe downwards through the drain pipe in the water drainage tank, rainwater in the water pipe collects in the underground water storage pond or the municipal pipeline of flow direction ground greenbelt, the rainwater can not flow to formula square drainage channel that sinks, effectively discharge the rainwater through the water pipe, more rainwater have been reduced and have been passed through stair towards formula square orientation that sinks and flow, slow down the drainage pressure of the drainage network way in the formula square face that sinks, avoid taking place ponding phenomenon on the formula square that sinks.

The present invention may be further configured in a preferred embodiment as: the water drainage tank is internally provided with an inclined block integrally formed with the water drainage tank, and the inclined block is obliquely arranged towards one end of the water service pipe.

Through adopting above-mentioned technical scheme, the inside slope setting of water drainage tank flows the rainwater in the water drainage tank to lower end from the higher end of sloping block, is convenient for collect, makes the rainwater in the water drainage tank pass through the drain pipe and flows to the water service pipe.

The present invention may be further configured in a preferred embodiment as: one end of the drain pipe is connected to the bottom close to the end part of the drain tank, the other end of the drain pipe is connected with the water service pipe, and the drain pipe is obliquely arranged towards the water service pipe.

Through adopting above-mentioned technical scheme, the drain pipe that the slope set up makes the rainwater in the water drainage tank flow to in the water service pipe more easily, fast.

The present invention may be further configured in a preferred embodiment as: the water drainage tank is 'U' shape setting, and the intussuseption is filled with the rubble in the water drainage tank, and the drain pipe is equipped with first filter screen with the water drainage tank junction, is equipped with the infiltration geotechnological cloth that is used for wrapping up the rubble in the water drainage tank.

By adopting the technical scheme, the drainage grooves which are arranged in the U shape enable rainwater to be collected to the bottoms of the drainage grooves more intensively, so that the rainwater is convenient to discharge, broken stones in the drainage grooves enhance the structural strength of the stair and can be used for storing partial rainwater, and when the weather is dry, the rainwater evaporates, so that the air humidity around the stair can be improved locally; the water seepage geotechnical cloth can reduce the phenomenon that broken stones in the drainage groove block the drainage pipe.

The present invention may be further configured in a preferred embodiment as: the rainwater collecting port is formed in the platform plate, the second filter screen is arranged on the rainwater collecting port, a first pipeline which is vertically downward is arranged below the second filter screen, a filter cartridge is arranged in the first pipeline, the first pipeline is connected with a second pipeline, and the other end of the second pipeline is connected with a water pipe.

Through adopting above-mentioned technical scheme, when the rainwater is great, when the rainwater top-down of first step group step board flows, rainwater accessible rainwater is collected the mouth and is collected, and the rainwater filters through the second filter screen, avoids debris on the step board to block up the second filter screen, and the cartridge filter rainwater once more further reduces the impurity of rainwater to the rainwater more smoothly enters first pipeline and second pipeline flow direction water service pipe.

The present invention may be further configured in a preferred embodiment as: the lower end of the step plate of the second step group is provided with a water chute, broken stones are filled in the water chute, water seepage geotextile is arranged at the joint of the water chute and the broken stones, the water chute and the water chute below the water chute are connected with a water guide pipe, the water guide pipe is obliquely and downwards arranged, and rainwater in the water chute flows into the water chute below the water chute through the water guide pipe.

Through adopting above-mentioned technical scheme, the rainwater permeates the guiding gutter through the step board that permeates water on the second step group, through rubble layer and infiltration geotechnological cloth, in downwards flowing into adjacent guiding gutter through the aqueduct, reduces storing up of rainwater on the step board, avoids influencing pedestrian's current.

The present invention may be further configured in a preferred embodiment as: the rainwater cistern has been buried underground in the ground of formula of sinking square, and the rainwater in the guiding gutter passes through the aqueduct and flows into the rainwater cistern, is equipped with the hollow cube unit of a plurality of in the rainwater cistern, and the cube unit communicates each other and piles up to pack and form the retaining group in the rainwater cistern, and retaining group top is equipped with impermeable geotechnological cloth, and the rainwater cistern is connected with the pipeline that leads to the green water storage area of planting in formula of sinking square.

By adopting the technical scheme, the rainwater in the water guide groove is finally collected into the rainwater storage tank arranged in the sunken square, the rainwater can be stored in the cubic unit, the bearing capacity is strong, and the influence on the ground structure is avoided; the rainwater reservoir slows down the drainage pressure of drainage channel in the formula square that sinks, and the rainwater in the rainwater reservoir can be utilized once more simultaneously.

The present invention may be further configured in a preferred embodiment as: the water drainage pipe and the water through pipe are both made of PVC materials.

By adopting the technical scheme, the drain pipe and the water service pipe made of PVC have the advantages of better corrosion resistance and high compressive strength.

The present invention may be further configured in a preferred embodiment as: and anti-skid grains are arranged at the edge of the upper surface of the step plate.

Through adopting above-mentioned technical scheme, the frictional force with the step board when increasing the pedestrian and walking reduces the pedestrian and slides to the tumble injury when walking on the step board.

To sum up, the utility model discloses a following at least one useful technological effect:

1. in rainwater drainage tank's drain pipe flowed into the water pipe, rainwater in the water pipe collected in the leading-in ground green belt's secret cistern or in the municipal pipeline, reduced rainwater flow direction formula square drainage channel that sinks, effectively discharged the rainwater through the water pipe, slowed down the drainage pressure of the drainage network way in the formula square ground that sinks, avoided taking place ponding phenomenon on the formula square.

2. Rainwater in the water guide groove is finally collected into a rainwater storage tank arranged in the sunken square, rainwater can be stored in the cubic units, the bearing capacity is strong, and the influence on the ground structure is avoided; the rainwater reservoir slows down the drainage pressure of drainage channel in the formula square that sinks, and the rainwater in the rainwater reservoir can be utilized once more simultaneously.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic partial sectional view of the present invention.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.

Fig. 5 is a partially enlarged schematic view of a portion C in fig. 2.

Fig. 6 is a schematic structural view of the reclaimed water storage group of the present invention.

In the figure, 1, a first step group; 11. a water discharge tank; 12. crushing stone; 13. a drain pipe; 14. a water pipe; 15. a first filter screen; 2. a second step group; 21. a water chute; 22. a water conduit; 3. a step plate; 31. anti-skid lines; 4. a platform plate; 41. a rainwater collection port; 51. a second filter screen; 52. a filter cartridge; 53. a first conduit; 54. a second conduit; 6. an underground reservoir; 7. a rainwater reservoir; 8. a water storage group; 81. a cubic unit.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1 to 6.

Referring to fig. 1 and 2, for the drainage structure of the underground evacuation stair disclosed by the present invention, comprising a ground, a stair for communicating the ground with a sunken square, the stair comprises a first step group 1 and a second step group 2 connected in sequence from top to bottom, the first step group 1 and the second step group 2 both comprise a water-permeable step plate 3, the edge of the upper surface of the step plate 3 is provided with an anti-slip pattern 31, specifically a groove arranged at the edge of the step plate 3, the connecting part of the first step group 1 and the second step group 2 is provided with a platform plate 4, the width of the platform plate 4 is larger than that of the step plate 3, one side of the stair is provided with a green belt positioned on the ground, the lower end of the step plate 3 of the first step group 1 is provided with a drainage groove 11, in the present embodiment, the drainage groove 11 is in a "U" shape ", the drainage groove 11 is made of reinforced concrete, the drainage groove 11 is filled with crushed stone 12, the surface of the gravel 12 in the drainage groove 11 is wrapped with permeable geotextile, the end part of the green belt, close to the ground beside the drainage groove 11, at one end of the drainage groove 11 is connected with a drainage pipe 13, and the drainage pipe 13 collects rainwater in the drainage groove 11 and conveys the rainwater to a drainage system.

Referring to fig. 2 and 3, a water service pipe 14 is arranged on one side of the first step group 1 close to the drain pipe 13 along the stair direction, one end of the drain pipe 13 is connected to the bottom close to the end part of the drain tank 11, a first filter screen 15 is arranged at the joint of the drain pipe 13 and the drain tank 11, the other end of the drain pipe 13 is connected with the water service pipe 14, and the drain pipe 13 is obliquely arranged towards the water service pipe 14 in order to accelerate rainwater to flow into the water service pipe 14. The drain pipe 13 is connected with a water pipe 14, the water pipe 14 leads to the underground reservoir 6 of the green belt or the municipal pipeline on the ground, and the drain pipe 13 and the water pipe 14 in the embodiment are both made of PVC pipes.

Referring to fig. 2 and 3, the rainwater is in through 3 infiltration water drainage tank 11 of the step board that permeate water on first step group 1, rainwater in the water drainage tank 11 passes through in drain pipe 13 inflow water service pipe 14, rainwater in the water service pipe 14 collects in the underground reservoir 6 or the municipal pipeline of flow direction ground greenbelt, some rainwater can not flow to formula square drainage channel that sinks, effectively collect the rainwater through water service pipe 14 and utilize, it flows towards formula square direction that sinks to have reduced more rainwater, slow down the drainage pressure of the drainage network way in the formula square face that sinks, avoid taking place the ponding phenomenon on the formula square that sinks. In order to make the rainwater in the drainage channel 11 flow into the drainage pipe 13 more easily, the bottom of the drainage channel 11 is provided with an inclined block integrally formed with the drainage channel 11, the inclined block is inclined towards one end of the water pipe 14, and the rainwater in the drainage channel 11 flows to the lower end of the inclined block, namely, to the first filter screen 15. The broken stone 12 in the drainage channel 11 enhances the structural strength of the stair, and can also be used for storing partial rainwater, and when the weather is dry, the rainwater evaporates, so that the air humidity around the stair can be locally improved.

Referring to fig. 2 and 4, two rainwater collection ports 41 are arranged on the platform board 4, the middle portion of the platform board 4 is slightly higher than two end portions, a second filter screen 51 is arranged on the rainwater collection port 41, the second filter screen 51 is lower than the upper surface of the platform board 4, when rainwater is large, the rainwater of the step board 3 of the first step group 1 flows from top to bottom, more rainwater on the step board 3 can flow to the second filter screen 51 conveniently, a first pipeline 53 which is vertically downward is arranged below the second filter screen 51, a filter cartridge 52 is arranged in the first pipeline 53, a second pipeline 54 is connected to the first pipeline 53, the other end of the second pipeline 54 is connected with the water service pipe 14, the filter cartridge 52 filters the rainwater again to further reduce impurities in the rainwater, so that the rainwater can flow into the water service pipe 14 more smoothly through the first pipeline 53 and the second pipeline 54.

Referring to fig. 2 and 5, a second step group 2 is connected below a platform board 4, a water chute 21 is arranged at the lower end of a step board 3 of the second step group 2, broken stones 12 are filled in the water chute 21, a water permeable geotextile is arranged at the joint of the water chute 21 and the broken stones 12, the broken stones 12 are wrapped by the water permeable geotextile, a plurality of water guide pipes 22 are connected between the water chute 21 and the water chute 21 below the adjacent water chute 21, the water guide pipes 22 are obliquely and downwardly arranged, the water guide pipes 22 are communicated with the two water chutes 21 adjacent to each other up and down, the water guide pipes 22 are also made of PVC pipes, rainwater in the water chute 21 flows to the adjacent water chute 21 below through the water guide pipes 22, the water guide grooves 21 in the second step group 2 are communicated with each other and flow to the ground in the sunken plaza from top to bottom, accumulation of rainwater on the step board 3 is.

Referring to fig. 2 and 6, bury rainwater cistern 7 underground in the ground of formula of sinking square, rainwater in the guiding gutter 21 passes through aqueduct 22 and flows into rainwater cistern 7, be equipped with the hollow cube unit 81 of a plurality of in the rainwater cistern 7, all establish the opening of octagon on every face of cube unit 81, cube unit 81 communicates each other and piles up and packs and form retaining group 8 in rainwater cistern 7, can store up the rainwater in the cube unit 81, also have stronger bearing capacity, also can not exert an influence to the ground structure, retaining group 8 top is equipped with does not ooze water geotechnological cloth, so that store the rainwater, rainwater cistern 7 is connected with the pipeline of leading to the green water storage area of planting in the formula of sinking square, rainwater cistern 7 slows down the drainage problem of drainage channel in the formula of sinking square, rainwater in the rainwater cistern 7 can be utilized once more simultaneously.

The implementation principle of the embodiment is as follows: the step plates 3 on the first step group 1 and the second step group 2 are both provided with permeable plates, so that rainwater is leaked and collected through the drainage groove 11 or the water guide groove 21, and the water pipe 14 guides the rainwater into the underground reservoir 6 of the green belt, so that the rainwater is reduced from flowing into the sunken square drainage network; the rainwater reservoir 7 is embedded in the ground of the sunken square, and the rainwater reservoir 7 collects rainwater, so that rainwater emission is reduced, rainwater is recycled, and the drainage pressure of a drainage network in the sunken square is effectively reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a drainage structures of evacuation stair in underground, includes ground, is used for communicateing the stair on ground and formula square that sinks, its characterized in that: stair include top-down's first step group (1) and second step group (2) that connect gradually, first step group (1) and second step group (2) all include step board (3) that permeate water, the junction of first step group (1) and second step group (2) is equipped with landing slab (4), the width of landing slab (4) is greater than the width of step board (3), stair one side is equipped with and is located subaerial greenbelt, step board (3) lower extreme of first step group (1) is equipped with water drainage tank (11), water drainage tank (11) one end is close to the greenbelt end connection on next door ground has drain pipe (13), one side that is close to drain pipe (13) in first step group (1) is equipped with water service pipe (14) along the stair trend, drain pipe (13) are connected with water service pipe (14), water service pipe (14) and the secret cistern (6) of greenbelt or the municipal pipeline intercommunication on ground.

2. A drainage structure of an underground evacuation stair according to claim 1, wherein: the water drainage tank (11) is internally provided with an inclined block which is integrally formed with the water drainage tank (11), and the inclined block is obliquely arranged towards one end of the water service pipe (14).

3. A drainage structure of an underground evacuation stair according to claim 2, wherein: one end of the drain pipe (13) is connected to the bottom close to the end part of the drain tank (11), the other end of the drain pipe (13) is connected with the water through pipe (14), and the drain pipe (13) is obliquely arranged towards the water through pipe (14).

4. A drainage structure of an underground evacuation stair according to claim 1, wherein: drainage tank (11) are "U" shape setting, are filled with rubble (12) in drainage tank (11), and drain pipe (13) and drainage tank (11) junction are equipped with first filter screen (15), are equipped with the geotechnological cloth that can ooze that is used for parcel rubble (12) in drainage tank (11).

5. A drainage structure of an underground evacuation stair according to claim 1, wherein: be equipped with rainwater collection mouth (41) on landing slab (4), be equipped with second filter screen (51) on rainwater collection mouth (41), second filter screen (51) below is equipped with vertical decurrent first pipeline (53), is equipped with cartridge filter (52) in first pipeline (53), is connected with second pipeline (54) on first pipeline (53), and the second pipeline (54) other end is connected with water service pipe (14).

6. A drainage structure of an underground evacuation stair according to claim 1, wherein: the rainwater drainage device is characterized in that a water guide groove (21) is formed in the lower end of the step plate (3) of the second step group (2), broken stones (12) are filled in the water guide groove (21), water seepage geotextile is arranged at the joint of the water guide groove (21) and the broken stones (12), a water guide pipe (22) is connected with the water guide groove (21) below the water guide groove (21) and adjacent to the water guide groove (21), the water guide pipe (22) is arranged downwards in an inclined mode, and rainwater in the water guide groove (21) flows into the water guide groove (21) below the adjacent to the water guide pipe (22).

7. A drainage structure of an underground evacuation stair according to claim 6, wherein: the rainwater cistern (7) is buried underground in the ground of formula of sinking square, and the rainwater in guiding gutter (21) passes through aqueduct (22) and flows into rainwater cistern (7), is equipped with hollow cube unit (81) of a plurality of in rainwater cistern (7), and cube unit (81) communicate each other and pile up and pack and form retaining group (8) in rainwater cistern (7), and retaining group (8) top is equipped with the geotechnological cloth that does not seep water, and rainwater cistern (7) are connected with the pipeline that leads to the green water storage area of planting of formula of sinking square.

8. A drainage structure of an underground evacuation stair according to claim 1, wherein: the drain pipe (13) and the water pipe (14) are both made of PVC materials.

9. A drainage structure of an underground evacuation stair according to claim 1, wherein: the edge of the upper surface of the step plate (3) is provided with anti-skid grains (31).