CN214784506U - Sponge urban drainage pipeline - Google Patents

Abstract

The utility model relates to a sponge city drainage pipe, including the parent tube, the parent tube inner chamber is provided with the inner tube, the inner tube top is provided with the delivery port, be provided with a plurality of filtration mouths on inner tube diapire and the lateral wall, the inner tube inner wall upper berth is equipped with the filter screen, the intratubular supporting component who is used for supporting the inner tube that is provided with. This application has the effect of guaranteeing the normal emission of rainwater when guaranteeing the normal recovery of rainwater.

Description

Sponge urban drainage pipeline

Technical Field

The application relates to the field of sponge urban drainage, in particular to a sponge urban drainage pipeline.

Background

The sponge city is the construction of the low-influence development rainwater system. The city 'sponge' includes water systems such as rivers, lakes and ponds, and city supporting facilities such as greenbelts, gardens and permeable pavements. Rainwater seeps, is stored in a storage way, is purified and recycled through the sponges, and finally the residual runoff is discharged outside through a pipe network and a pump station, so that the standard of an urban drainage system can be effectively improved, and the pressure of urban inland inundation is relieved.

At present, drainage pipelines in sponge cities often filter and then recover rainwater by erecting a plurality of filter screens in the pipelines.

In view of the above-mentioned related art, the inventor believes that, when the rainwater is not much, impurities in the rainwater are collected on the filter screen when passing through the filter screen, so that the rainwater cannot flow out from the gap of the filter screen, thereby causing a defect that the normal drainage of the rainwater is affected.

SUMMERY OF THE UTILITY MODEL

In order to satisfy large-traffic rain normal discharge of sleeping, this application provides a sponge city drainage pipe.

The application provides a sponge city drainage pipe adopts following technical scheme:

the utility model provides a sponge urban drainage pipe, includes the parent tube, the parent tube inner chamber is provided with the inner tube, the inner tube top is provided with the delivery port, be provided with a plurality of filtration mouths on inner tube diapire and the lateral wall, the inner tube inner wall upper berth is equipped with the filter screen, be provided with the supporting component who is used for supporting the inner tube in the parent tube.

By adopting the technical scheme, the inner pipe is connected with the drainage ditch or the open caisson, so that rainwater firstly enters the inner pipe, and when the rainwater is not large, the rainwater flows into the base pipe after being filtered by the filter screen in the process of flowing on the inner pipe and is recycled; when the water flow is large, the water can flow out of the water outlet at the top end of the inner pipe and enter the base pipe, so that the water flow can be normally discharged, and the normal discharge of rainwater is ensured.

Optionally, the support assembly includes a plurality of support plates disposed on the inner wall of the base tube, a plurality of engaging plates are disposed on the outer wall of the inner tube, and engaging grooves for engaging the engaging plates are disposed on the support plates.

Through adopting above-mentioned technical scheme, the back is taken to put in the backup pad to the inner tube for clearance setting between inner tube and the parent tube forms cross between backup pad and the block board simultaneously, thereby guarantees the stability of inner tube.

Optionally, it is a plurality of the backup pad is along base pipe circumference equidistant distribution, the block board sets up along inner tube circumference, and a plurality of block boards set up along inner tube axial equidistant.

Through adopting above-mentioned technical scheme, the backup pad sets up and the block board sets up along inner tube axial equidistant along parent tube circumference equidistant for the holding power evenly distributed that the inner tube received is on the diapire and the lateral wall of inner tube, thereby guarantees the stability of inner tube.

Optionally, a plurality of water outlet holes are formed in the side wall of the inner pipe, and the distance between each water outlet hole and the bottom wall of the inner pipe is longer than 2/3 in height of the side wall of the inner pipe.

Through adopting above-mentioned technical scheme for when the rainwater is too big, can will let out earlier through the apopore, direct all gush out from the delivery port influence the stability of inner tube after reducing the direct inner tube collection of rivers to fill.

Optionally, the top of parent tube is provided with the detachable closing plate, inner tube self axial direction both ends all are provided with the fixed slot that supplies filter screen male.

Through adopting above-mentioned technical scheme for the filter screen can be dismantled and be connected on the inner tube, when the filter screen blockked up, can wash the filter screen in the inner tube and change even after taking out the closing plate from the parent tube, in order to guarantee normal drainage function.

Optionally, the base pipe is provided with a placing table for placing the sealing plate, the sealing plate is provided with a plurality of fastening screws, and the base pipe is provided with fastening screw holes for screwing the fastening screws.

Through adopting above-mentioned technical scheme, through fastening screw spiro union in the fastening screw for the closing plate compresses tightly on the parent tube, is used for reducing the condition that rivers spill over from the maintenance mouth.

Optionally, the two ends of the inner tube in the axial direction are respectively provided with an inserting platform and an inserting groove, and the size of the outer wall of the inserting platform is the same as that of the inner wall of the inserting groove.

By adopting the technical scheme, when the two base pipes are spliced and fixed with each other, the inserting platform on one of the inner pipes is inserted into the inserting groove of the other inner pipe, so that the two adjacent inner pipes are inserted and fixed with each other, and the stability of the whole inner pipe is ensured.

Optionally, the base tube axial direction both ends all are provided with the ring flange, and the ring flange between two adjacent base tubes passes through bolt and nut to be connected.

Through adopting above-mentioned technical scheme for through bolt and nut fixed connection between the ring flange of two parent tubes, with the demand that satisfies different length drainage.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the base pipe and the inner pipe are matched for use, so that when the water flow is large, water can be discharged from a water outlet in the inner pipe, and the normal drainage function of rainwater is guaranteed.

Drawings

FIG. 1 is a schematic view of the overall structure of a sponge urban drainage pipeline according to an embodiment of the present application.

FIG. 2 is an exploded view of a sponge urban drainage pipeline according to an embodiment of the present application.

FIG. 3 is a schematic view of the internal structure of a base pipe in a sponge urban drainage pipeline according to an embodiment of the present application.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Description of reference numerals: 1. a base pipe; 11. a flange plate; 12. a maintenance port; 13. a placing table; 14. a sealing plate; 15. fastening screws; 16. fastening screw holes; 21. a support plate; 22. A through hole; 3. an inner tube; 31. a clamping plate; 32. a water outlet; 33. a water outlet hole; 34. fixing grooves; 35. an inserting and combining table; 36. a plugging groove; 4. and (4) a filter screen.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses sponge city drainage pipe. Referring to fig. 1 and 2, the sponge city drain pipe includes a plurality of base pipes 1 spliced with each other. The base pipe 1 is fixed with flange plates 11 at both ends in the axial direction. The flange plates 11 of two adjacent base pipes 1 are fixedly connected through bolts and nuts, so that the requirements of drainage with different lengths are met.

Referring to fig. 1 and 2, the bottom of each base pipe 1 is provided with a maintenance opening 12, the side wall of the base pipe 1 on the side edge of each maintenance opening 12 is provided with an invaginated placing table 13, and a closing plate is placed on the placing table 13 and used for closing the base pipe 1. Four fastening screws 15 are screwed on the sealing plate 14 at equal intervals in the circumferential direction, and fastening screw holes 16 for screwing the fastening screws 15 are formed in the placing table 13. The seal plate 14 is pressed against the base pipe 1 by the fastening screw 15 screwed into the fastening screw hole 16 for reducing the water flow from overflowing the service port 12.

Referring to fig. 2 and 3, the inner wall of the base pipe 1 is provided with a support assembly, the support assembly comprises a plurality of support plates 21 axially arranged along the base pipe 1, and the support plates 21 are arranged at equal intervals along the circumferential direction of the base pipe 1. The inner tube 3 is placed on the support plates 21, a plurality of clamping plates 31 arranged along the circumferential direction of the inner tube 3 are fixed on the outer side wall of the inner tube 3, the clamping plates 31 are arranged at equal intervals along the axial direction of the inner tube 3, and clamping grooves for clamping the clamping plates 31 are formed in each support plate 21, so that the inner tube 3 is placed on the support plates 21, gaps between the inner tube 3 and the base tube 1 are arranged, cross buckles are formed between the support plates 21 and the clamping plates 31, and the stability of the inner tube 3 is guaranteed.

Referring to fig. 3 and 4, the bottom wall and the side wall of the inner tube 3 are provided with a plurality of filtering openings. And the interior diapire of inner tube 3 and inside wall upper berth are equipped with flexible filter screen 4, and inner tube 3 axis direction both ends are provided with and supply filter screen 4 male fixed slot 34 to make filter screen 4 peg graft and fix on inner tube 3. When the rainwater amount is less, the rainwater flows from the inner pipe 3, and the filtering rate of the filtering net 4 flows into the base pipe 1 through the filtering opening to be recycled.

Referring to fig. 2 and 3, the top end opening of inner tube 3 sets up to make inner tube 3 roof form delivery port 32, be provided with the through-hole 22 that transversely runs through backup pad 21 on the bracing piece, make when the water yield is great, can flow through delivery port 32, then fill between parent tube 1 and inner tube 3 through-hole 22, carry, thereby reduce because long-time filtration makes filter screen 4 block up the back, the unable defect that gets into between parent tube 1 and the inner tube 3 of rainwater.

Referring to fig. 2 and 3, a plurality of apopores 33 have been seted up on the lateral wall top of inner tube 3, and the distance between apopore 33 and the 3 diapalls of inner tube is longer than the 2/3 of the 3 lateral wall height of inner tube, and filter screen 4 is located apopore 33 below, does not shelter from apopore 33 to make the rainwater when too big, can let out earlier through apopore 33, in order to reduce the direct stability of gushing out the influence inner tube 3 of direct follow delivery port 32 after inner tube 3 gathers full at the rivers.

Referring to fig. 2 and 3, the two ends of the inner tube 3 in the axial direction are respectively provided with an inserting platform 35 and an inserting groove 36, the size of the outer wall of the inserting platform 35 is the same as that of the inner wall of the inserting groove 36, when the two base tubes 1 are spliced and fixed with each other, the inserting platform 35 on one inner tube 3 is inserted into the inserting groove 36 of the other inner tube 3, so that the two adjacent inner tubes 3 are inserted and fixed with each other, and the stability of the whole inner tube 3 is ensured.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A sponge urban drainage pipeline is characterized in that: including base tube (1), base tube (1) inner chamber is provided with inner tube (3), inner tube (3) top is provided with delivery port (32), be provided with a plurality of filtration mouths on inner tube (3) diapire and the lateral wall, inner tube (3) inner wall upper berth is equipped with filter screen (4), be provided with the supporting component who is used for supporting inner tube (3) in base tube (1).

2. The sponge urban drainpipe according to claim 1, characterized in that: the supporting component comprises a plurality of supporting plates (21) arranged on the inner wall of the base pipe (1), a plurality of clamping plates (31) are arranged on the outer wall of the inner pipe (3), and clamping grooves for clamping the clamping plates (31) are formed in the supporting plates (21).

3. The sponge urban drainpipe according to claim 2, wherein: a plurality of backup pad (21) are along parent tube (1) circumference equidistant distribution, block board (31) set up along inner tube (3) circumference, and a plurality of block board (31) are along inner tube (3) axial equidistant setting.

4. The sponge urban drainpipe according to claim 1, characterized in that: be provided with a plurality of apopores (33) on inner tube (3) lateral wall, the minimum distance between apopore (33) and inner tube (3) diapire is longer than 2/3 of inner tube (3) lateral wall height.

5. The sponge urban drainpipe according to claim 1, characterized in that: the top of parent tube (1) is provided with detachable closing plate (14), inner tube (3) self axial direction both ends all are provided with confession filter screen (4) male fixed slot (34).

6. The sponge urban drainpipe according to claim 5, wherein: the base pipe (1) is provided with a placing table (13) for placing a sealing plate (14), the sealing plate (14) is provided with a plurality of fastening screws (15), and the base pipe (1) is provided with fastening screw holes (16) for the fastening screws (15) to be screwed.

7. The sponge urban drainpipe according to claim 1, characterized in that: the two ends of the inner tube (3) in the axial direction are respectively provided with an inserting and closing table (35) and an inserting and closing groove (36), and the size of the outer wall of the inserting and closing table (35) is the same as that of the inner wall of the inserting and closing groove (36).

8. The sponge urban drainpipe according to claim 7, wherein: both ends of the base pipe (1) in the axial direction are provided with flange plates (11), and the flange plates (11) between two adjacent base pipes (1) are connected through bolts and nuts.

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