CN214402072U - Drainage ditch for sponge city - Google Patents

Abstract

The utility model discloses a drainage ditch for sponge city, including the irrigation canals and ditches that are the sharp cell type and being located the irrigation canals and ditches both sides by lower supreme tiled ground base layer, sand soil layer, building block layer, two sides of irrigation canals and ditches correspond sand soil layer's part has and extends and be linear type infiltration groove along the drainage direction, the infiltration groove has at least one outlet and installs the filter layer. The beneficial effects of the utility model reside in that, can promote the collection efficiency to precipitation.

Description

Drainage ditch for sponge city

Technical Field

The utility model relates to a drainage ditch, especially a drainage ditch for sponge city.

Background

Sponge city is the urban rainfall flood management notion of new generation, means the city can be like the sponge, has good elasticity in the aspect of the natural disasters that adaptation environmental change and should bring to the rainwater, and drainage canal is the important component part in sponge city for guide precipitation and the collection to precipitation.

For example, prior art publication No. CN210459454U discloses a ditch structure in sponge city, including bottom plate, splint, filter layer, inner liner, draw-in groove, fixture block and non slipping spur, the bottom plate inboard is provided with splint, the filter layer is installed to the splint inboard, the filter layer inboard is provided with the inner liner, one side that the bottom plate kept away from splint is fixed with the non slipping spur. The channel structure can only carry out passive mobile phones on precipitation flowing into the channel on the peripheral road surface of the channel, so that the phenomenon of precipitation potholes on the peripheral road surface is easy to occur, and the precipitation collection rate is lower.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a drainage ditch for sponge city can promote the collection efficiency to precipitation.

The utility model discloses a realize through following technical scheme.

The utility model provides a drainage ditch for sponge city, is including the irrigation canals and ditches that are the straight line cell type and be located irrigation canals and ditches both sides by lower supreme basic unit, sand soil layer, the building block layer of tiling, two sides of irrigation canals and ditches correspond sand soil layer's part has and extends and be linear type infiltration groove along the drainage direction, the infiltration groove has at least one outlet and installs the filter layer.

The utility model discloses, through having laid husky soil layer on the foundation bed, some precipitation permeates husky soil layer through the clearance between the building block layer to the outlet that corresponds husky soil layer through the irrigation canals and drainage channels are led to flow in through the infiltration groove, and some precipitation directly flows in the irrigation canals and ditches by building block layer surface in addition, makes the irrigation canals and ditches have two channels that guide precipitation, has promoted the collection efficiency to precipitation, also avoids simultaneously that precipitation from appearing on the road surface and converges into the problem of precipitation pot hole; in addition, the water seepage groove is arranged along the drainage direction of the ditch, so that a better flow guide effect is achieved, and the drainage stability is improved.

As a further improvement, the infiltration tank includes tank bottom, first cell wall, second cell wall, third cell wall, fourth cell wall to the drainage direction is the reference, first cell wall, second cell wall, third cell wall extend to the irrigation canals and ditches outside by the back side of notch, last side, downside respectively the tank bottom, the fourth cell wall by the preceding side slope of notch extends to the tank bottom.

As a further improvement of the present invention, the fourth groove wall is an inwardly recessed curved surface along the length direction thereof.

As a further improvement of the present invention, the first groove wall and the fourth groove wall have the drain port.

As a further improvement of the present invention, the outlet of the fourth groove wall is close to the groove bottom.

As a further improvement of the present invention, the third groove wall has a convex structure which is convex from the surface thereof and is linear, and the convex structure has a space with the fourth groove wall and extends in the length direction thereof.

As a further improvement of the present invention, the filter layer comprises a frame body matched with the water outlet joint, and at least one layer of filter net fixed on the frame body.

As a further improvement of the utility model, the framework is the toughness material, and it is in including the laminating the preceding frame of irrigation canals and ditches internal surface, the laminating are in the back frame of irrigation canals and ditches surface and connect both and the buckle is at the framework connecting portion of outlet, the filter screen is fixed framework connecting portion.

The utility model has the advantages that:

1: the water seepage tank and the water outlet can drain the rainfall permeating into the sandy soil layer to the mobile phone, the drainage channels of the ditch are increased, and the rainfall flows into the ditch from the surface of the building block layer in a matched manner, so that double-channel guiding and collecting of the rainfall is formed, and the efficiency is improved;

2: the structural design that the infiltration tank extends along the drainage direction ensures that the infiltration tank has better diversion effect on the precipitation infiltrated into the sand layer, so that the water flow guided by the ditch is more stable, and in addition, the curved surface gradient of the fourth tank wall and the convex structure of the third tank wall further enhance the diversion effect of the infiltration tank;

3: the water seepage tank is provided with the water outlets on the first tank wall and the fourth tank wall, so that the upper drainage limit of the water seepage tank can be improved, the rainfall of a sandy soil layer is timely drained when the rainfall intensity is high, and the drainage quantity of the ditch is improved;

4: the filter layer arranged on the water outlet can filter the sand layer to prevent the sand from entering the ditch through the water outlet;

5: the frame body is made of a tough material, and is convenient to disassemble and clean, maintain or replace.

Drawings

The preferred embodiments of the present invention will hereinafter be described in detail to facilitate an understanding of the objects and advantages of the invention, with reference to the accompanying drawings, in which:

FIG. 1 is an elevation view of a drain channel for a sponge city;

FIG. 2 is a side view of the water seepage groove;

FIG. 3 is a schematic view of another view of the water seepage tank;

fig. 4 is a schematic cross-sectional view of a filter layer.

Detailed Description

The invention is explained in more detail below with reference to the drawings and exemplary embodiments.

The terms of orientation of up, down, left, right, front, back, top, bottom, and the like as referred to or as may be referred to in this specification are defined with respect to the configuration shown in the drawings, and the terms "inner" and "outer" refer to directions toward and away from the geometric center of a particular component and are relative terms, and thus may be changed accordingly depending on the position and the state of use of the particular component. Therefore, these and other directional terms should not be construed as limiting terms.

The utility model provides a drainage ditch for sponge city, include irrigation canals and ditches 1 and be located 1 both sides of irrigation canals and ditches by the ground basic unit 2 of lower supreme tiling, sand and soil layer 3, building block layer 4, wherein irrigation canals and ditches 1 is the structure of straight line cell type, its vertical section is the structure of U type, the level of ground basic unit 2 is located 1 half or more than half height of irrigation canals and ditches 1 probably, building block layer 4's surface flushes with the top of irrigation canals and ditches 1, 1 both ends top of irrigation canals and ditches has the topside 11 that extends to both sides, it supports the top surface at sand and soil layer 3 and offsets with building block layer 4. In addition, a fastener can be vertically driven into the top edge and directly fixedly connected with the foundation layer 2 through the sand layer 3, so that the problem that the ditch 1 is staggered or the front end and the rear end of the ditch are turned up can be avoided.

The position that ditch 1's two sides correspond 3 heights in sand layer has infiltration groove 5, and infiltration groove 5 is equidistant arranging under the general condition, can shorten the interval between the adjacent infiltration groove 5 of corresponding section if certain section topography in road surface is lower or the infiltration volume is great to improve the rainfall guide performance to local, infiltration groove 5 extends the setting along the drainage direction, and its notch is rectangular shape, specifically sets up to squarely in this embodiment case.

The infiltration tank 5 comprises a tank bottom 55, a first tank wall 51, a second tank wall 52, a third tank wall 53 and a fourth tank wall 54, wherein the tank bottom 55 is square and the area of the tank bottom 55 is 10% -30% of the tank opening, the first tank wall 51, the second tank wall 52 and the third tank wall 53 respectively extend to the tank bottom 55 from the rear side 5-1, the upper side 5-2 and the lower side 5-3 of the tank opening to the outer side of the ditch 1, the fourth tank wall 54 extends to the tank bottom 55 from the front side 5-3 of the tank opening in a slope direction, and the first tank wall 51 and the fourth tank wall 54 are both provided with a water outlet 5-A and are provided with a filter layer. In this embodiment, the first groove wall 51 is perpendicular to the drainage direction, so that the extension length of the fourth groove wall 54 can be maximized, thereby improving the guiding effect of the infiltration groove 5 on the precipitation. To further increase the osmotic precipitation conducted by the drain 5-a to the trench 1, in this embodiment the fourth trench wall 54 is provided with an inwardly concave curved surface along its length.

The water outlets 5-A are respectively arranged on the first groove wall 51 and the fourth groove wall 54, so that the guiding amount of the precipitation can be enlarged, the blockage can be reduced, the two water outlets 5-A are separated by the groove bottom 55, the overall structural strength of the water seepage groove 5 cannot be negatively influenced, and in addition, the water outlets 5-A of the fourth groove wall 54 are tightly attached to the intersection of the groove bottom 55 and the fourth groove wall 54, so that a certain guiding distance is provided for the precipitation.

The surface of the third groove wall 53 has a convex structure 531 protruding from the surface, the convex structure 531 is a curved line structure and matches with the curvature of the curved surface of the fourth groove wall 54, an arc-shaped and equal-width converging channel is formed between the convex structure 531 and the fourth groove wall 54, and when the precipitation flowing through the drainage opening 5-a is small, the precipitation can flow into the channel 1 through the converging channel to accelerate the guiding speed.

The filtering layer arranged at the water outlet 5-A comprises a frame body 61 and a filtering net 62 fixed on the frame body 61, wherein 3-5 layers of filtering net 62 are arranged to prevent sand, gravel and the like from entering the ditch 1, and the frame body 61 is matched with the water outlet 5-A in shape and is fixedly installed in a clamping fit mode.

The frame body 61 comprises a front frame portion 611, a rear frame portion 612 and a frame body connecting portion 613, wherein the front frame portion 611 is attached to the inner surface of the ditch 1, the rear frame portion 612 is attached to the outer surface of the ditch 1, the frame body connecting portion 613 connects the front frame portion and the rear frame portion and is fastened to the drainage port 5-A, the frame body 61 is made of a flexible material, in the embodiment, the frame body 61 is made of a polyurethane elastomer, and the frame body is convenient to detach, clean, maintain and replace.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments can be modified, or some technical features can be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (7)

1. The utility model provides a drainage ditch for sponge city, its characterized in that, is including the irrigation canals and ditches that are the straight line cell type and being located the irrigation canals and ditches both sides by lower supreme basic unit, sand soil layer, the building block layer that tiles, two sides of irrigation canals and ditches correspond sand soil layer's part has and extends and be linear type infiltration groove along the drainage direction, the infiltration groove has at least one outlet and installs the filter layer, the infiltration groove includes tank bottom, first cell wall, second cell wall, third cell wall, to drainage direction is for referring to, first cell wall, second cell wall, third cell wall are extended to the irrigation canals and ditches outside by the back side of notch, last side, downside respectively the tank bottom, the fourth cell wall by the preceding side slope of notch extends to the tank bottom.

2. The drain channel for sponge cities of claim 1, wherein the fourth channel wall is curved inwardly along its length.

3. The drain channel for sponge cities of claim 1, wherein the first and fourth channel walls have the drain opening.

4. The drain channel for sponge cities of claim 3, wherein the drain opening of the fourth trough wall is proximate the trough bottom.

5. The drain channel for sponge cities of claim 1, wherein the third channel wall has a linear raised structure projecting from the surface thereof, the raised structure being spaced from and extending lengthwise of the fourth channel wall.

6. The drainage canal for sponge cities as claimed in claim 1, wherein the filter layer comprises a frame body snap-fitted to the drainage opening, at least one layer of filter mesh fixed to the frame body.

7. The drainage channel for the sponge city according to claim 6, wherein the frame is made of a flexible material and comprises a front frame portion attached to the inner surface of the channel, a rear frame portion attached to the outer surface of the channel, and a frame connecting portion connecting the front frame portion and the rear frame portion and being fastened to the drainage port, and the filter screen is fixed to the frame connecting portion.

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