CN211313117U

CN211313117U - Roof rainwater drainage device

Info

Publication number: CN211313117U
Application number: CN201921571153.6U
Authority: CN
Inventors: 伊永善; 张莉莉; 徐洪涛; 陈方泉
Original assignee: Shandong Xincheng Construction Engineering Co ltd
Current assignee: Shandong Xincheng Construction Engineering Co ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-08-21
Anticipated expiration: 2029-09-20

Abstract

The utility model relates to the field of building drainage, and discloses a roof rainwater drainage device, which comprises a drainage ditch arranged on a roof and inclined downwards, wherein the inclined downwards end part of the drainage ditch is provided with a water outlet communicated with a building drainage system, the water outlet is provided with a filtering device, the filtering device comprises a flow guide pipe, two downwards flow guide grooves are respectively arranged on two sides of the flow guide pipe, through holes are arranged on the inner walls of two ends in the direction vertical to the flow guide grooves, a bearing is fixed in the through holes, a rotating shaft is rotationally connected with the flow guide pipe through the bearing, the outer surface of the rotating shaft is provided with a thread, the outer surface of the rotating shaft outside the flow guide pipe is in threaded connection with a fixing nut, the rotating shaft is connected with the wall of the flow guide pipe through the bearing, the outer surface of the rotating shaft inside the flow guide pipe is, the weight of the water flow is utilized to complete sundries collection, so that the rainwater can be circularly filtered.

Description

Roof rainwater drainage device

Technical Field

The utility model relates to a building drainage field specifically is a roof rainwater drainage device.

Background

The roof is the outer enclosure member of the uppermost layer of the building. The roof comprises the roof of level setting and the parapet that surrounds the roof usually, when raining, for in time discharging roof ponding, sets up the escape canal on the roof usually, and the escape canal intercommunication building drainage system to discharge ponding.

In order to prevent the building drainage system from being blocked by the sundries, a filtering member is generally required to be arranged at the drainage outlet so as to avoid the situation that the sundries such as dust, silt and the like accumulated in the drainage ditch are greatly flushed to the drainage outlet by rainwater and enter the building drainage system to cause the building drainage system to be blocked in rainy days.

Set up and filter a piece though can avoid debris such as a large amount of dust, silt to get into the building drainage system once, nevertheless a large amount of dust silt, silt are blockked up on filtering the piece, will make to filter a piece and be blockked up for the drainage rate of outlet is very big to descend, leads to roof drainage effect to worsen, and the long-term ponding of roof leads to the ageing of seepage even wall body easily, for this reason, we have designed a roof rainwater drain.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a roof rainwater drainage device has solved the problem of mentioning in the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a roof rainwater drainage device comprises an inclined downward drainage ditch arranged on a roof, wherein the inclined downward end part of the drainage ditch is provided with a drainage port communicated with a drainage system of a building, and the drainage port is provided with a filtering device; filter equipment includes the honeycomb duct, two decurrent guiding gutters have been seted up respectively to the both sides of honeycomb duct, the through-hole has been seted up at the inner wall at the both ends with the guiding gutter vertically direction, the through-hole internal fixation has the bearing, the pivot is passed through the bearing and is rotated with the honeycomb duct and be connected, the pivot both ends extend to outside the honeycomb duct, and the pivot surface is threaded, the pivot surface threaded connection outside the honeycomb duct has fixation nut, the pivot is passed through the bearing and is connected with the honeycomb duct pipe wall, the pivot is connected with a plurality of filter screens at the inside surface.

Furthermore, the bottom of the flow guide pipe is connected with a mounting seat, threaded holes are formed in the periphery of the mounting seat, and the mounting seat is in threaded connection with the threaded holes through bolts and is fixed above the water outlet.

Further, the width of the filter screen is the same as that of the diversion trench.

Furthermore, the concave surface of the filter screen is opposite to the included angle of the adjacent drainage ditch.

Furthermore, the filter screen is six, is triangle hopper-shaped, and the one end of six filter screens is the surface of annular connection at the pivot.

Furthermore, the top of the flow guide pipe is in threaded connection with a cover plate, and the top plate of the cover plate is of a screen mesh structure.

The utility model has the advantages that:

1. the utility model discloses a, lead-in outlet from the guiding gutter with the rainwater through the honeycomb duct, and set up rotatable filter screen in the honeycomb duct, utilize the weight and the impact force formation of rivers to the rotation of filter screen, make its rivers to getting into from the guiding gutter reach loop filter's effect.

2. The utility model discloses a, adopt screen cloth structure to the apron, when the rainfall is too big, can make the rainwater infiltrate down through the apron top, can guarantee simultaneously that the guiding gutter continues to realize filtering the rainwater, avoids ponding too much to lead to the rainwater to infiltrate down, corrodes the wall body.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a filter unit in a roof rainwater drainage system;

FIG. 3 is a schematic view of a filter with a cover plate in a roof rainwater drainage device;

fig. 4 is a side view of a rotating shaft and a strainer in a roof rainwater drainage device.

In the figure: 1. a roof; 2. a drainage ditch; 3. a water outlet; 4. a flow guide pipe; 5. a diversion trench; 6. a cover plate; 7. a bearing; 8. a rotating shaft; 9. fixing a nut; 10. filtering with a screen; 11. a mounting seat; 12. a threaded bore.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-4: a roof rainwater drainage device comprises four drainage ditches 2 arranged on a roof 1 and facing downwards in an inclined mode, wherein the drainage ditches 2 are arranged on the periphery of a top plate of the roof 1 in a concave mode, two adjacent drainage ditches 2 are connected with each other, two opposite angles are relatively high, the other group of opposite angles are relatively low, a drainage port 3 communicated with a building drainage system is formed in the inclined downward end portion of each drainage ditch 2, a filtering device is arranged on the drainage port 3, and the connection portion of each drainage ditch 2 and the filtering device is subjected to sealing treatment;

the filtering device comprises a flow guide pipe 4, the top of the flow guide pipe 4 is in threaded connection with a cover plate 6, the top plate of the cover plate 6 is of a screen structure, the bottom of the flow guide pipe 4 is connected with a mounting seat 11, threaded holes 12 are formed in the periphery of the mounting seat 11, the mounting seat 11 is in threaded connection with the threaded holes 12 through bolts and is fixed above a water outlet 3, two downward flow guide grooves 5 are respectively formed in two sides of the flow guide pipe 4, through holes are formed in the inner walls of two ends in the direction perpendicular to the flow guide grooves 5, bearings 7 are fixed in the through holes, a rotating shaft 8 is rotatably connected with the flow guide pipe 4 through the bearings 7, two ends of the rotating shaft 8 extend out of the flow guide pipe 4, threads are formed in the outer surface of the rotating shaft 8, fixing nuts 9 are in threaded connection with the outer surface of the rotating shaft 8 outside, the pivot 8 is connected with 4 pipe walls of honeycomb duct through bearing 7, and pivot 8 is connected with a plurality of filter screens 10 at the inside surface of honeycomb duct 4, and filter screen 10 is six, is the triangle bucket form, and the one end of six filter screens 10 is the annular and connects the surface at pivot 8, and the width of filter screen 10 is the same with the width of guiding gutter 5.

To sum up, the utility model discloses when using, accomplish the collection through recessed escape canal 2 with the rainwater on roof 1, the rainwater trickles to outlet 3 along with the slope of escape canal 2, and through the leading-in building drainage system of guiding gutter 5, when rivers pass through guiding gutter 5, subsidiary dust debris deposit in filter screen 10 in the rainwater, and accomplish the rotation of filter screen 10 through the impact of rainwater, avoid piling up too much debris and lead to drainage system's jam, increase the life of roof 1 and wall body.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A roof rainwater draining device, including the downward escape canal (2) of slope that sets up in roof (1), its characterized in that: the inclined downward end part of the drainage ditch (2) is provided with a drainage port (3) communicated with a building drainage system, and a filtering device is arranged on the drainage port (3); filter equipment includes honeycomb duct (4), two decurrent guiding gutter (5) have been seted up respectively to the both sides of honeycomb duct (4), the through-hole has been seted up at the inner wall at the both ends with guiding gutter (5) vertically direction, through-hole internal fixation has bearing (7), pivot (8) are passed through bearing (7) and are rotated with honeycomb duct (4) and be connected, pivot (8) both ends extend to outside honeycomb duct (4), and pivot (8) surface has seted up the screw thread, outer pivot (8) surface threaded connection of honeycomb duct (4) has fixation nut (9), pivot (8) are connected with honeycomb duct (4) pipe wall through bearing (7), pivot (8) are connected with a plurality of filter screens (10) at the inside surface of honeycomb duct (4).

2. A roof gutter according to claim 1, characterised in that: the bottom of the flow guide pipe (4) is connected with a mounting seat (11), threaded holes (12) are formed in the periphery of the mounting seat (11), and the mounting seat (11) is in threaded connection with the threaded holes (12) through bolts and is fixed above the water outlet (3).

3. A roof gutter according to claim 1, characterised in that: the width of the filter screen (10) is the same as that of the diversion trench (5).

4. A roof gutter according to claim 1, characterised in that: the concave surface of the filter screen (10) is opposite to the included angle of the adjacent drainage ditch (2).

5. A roof gutter according to claim 1, characterised in that: six filter screens (10) are triangular hopper-shaped, and the one end of six filter screens (10) is the surface of annular connection in pivot (8).

6. A roof gutter according to claim 1, characterised in that: the top of the draft tube (4) is in threaded connection with a cover plate (6), and the top plate of the cover plate (6) is of a screen mesh structure.