CN112227461B

CN112227461B - Green building rainwater drainage equipment

Info

Publication number: CN112227461B
Application number: CN202011344947.6A
Authority: CN
Inventors: 项赛赛
Original assignee: Greata Construction Co ltd
Current assignee: Greata Construction Co ltd
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2022-06-21
Anticipated expiration: 2039-05-23
Also published as: CN112227461A; CN112227460B; CN112227460A; CN110158873A; CN110158873B

Abstract

The invention belongs to the technical field of rainwater collection, and particularly relates to a rainwater drainage device for a green building, which comprises a collection mechanism, a sewer pipe and a filtering mechanism, wherein in the process of diversion, rainwater on a roof is filtered by the collection mechanism and the filtering mechanism, and leaves, branches and other garbage falling from the roof are simply filtered by a second swing plate in the collection mechanism and a filtering conical block in the filtering mechanism, so that the leaves, the branches and the other garbage are left in the collection structure and the sewer pipe positioned on the upper side of the filtering conical block; the filtered rainwater flows to the lower side of the house through a sewer pipe and is stored manually; after raining is finished, leaves, branches and other garbage left in the collecting structure and the sewer pipe positioned on the upper side of the filtering conical block are cleaned by manually pulling the first pull rope.

Description

Green building rainwater drainage equipment

Technical Field

The invention belongs to the technical field of rainwater collection, and particularly relates to rainwater drainage equipment for a green building.

Background

The green building refers to a building which saves resources to the maximum extent within the whole life cycle of the building, comprises the functions of saving energy, land, water, materials and the like, protects the environment, reduces pollution, provides healthy, comfortable and efficient use space for people, and is harmonious and symbiotic with the nature; in daily life, all daily water for people comes from tap water, particularly in some cities with short water resources, the price of the water is continuously increased in recent years, so that the water saving not only protects the resource environment, but also directly relates to the economic saving of people, for example, rainwater on a roof is more directly drained off in vain, and a large amount of water resources are wasted; therefore, rainwater resources collected by a house are fully utilized, the utilization rate of water is increased through biological purification, and the consumption of tap water resources is reduced; and rainwater is the main moisturizing resource in the rural water shortage area of our country, at present, many countries in the world begin to pay attention to the collection of rainwater, and a lot of residents can consider collecting rainwater that flows down on the house, and when rainwater is collected or flows away, leaves, branches on the roof and rubbish that is blown to the roof by wind become one of the main pollutions of the rainwater on the house, so can be with the rainwater along with flowing leaves, branches and the rubbish that is blown to the roof by wind when collecting rainwater to keep apart very necessary from rainwater.

The invention designs a green building rainwater drainage device to solve the problems.

Disclosure of Invention

In order to solve the defects in the prior art, the invention discloses a green building rainwater drainage device which is realized by adopting the following technical scheme.

The utility model provides a green building rainwater drainage device which characterized in that: the rainwater collecting and filtering device comprises a collecting mechanism, a sewer pipe and a filtering mechanism, wherein the upper side of a house is provided with an enclosing wall with a square outlet, the enclosing wall can protect people standing on a roof and prevent people from accidentally sliding off the roof and damaging the body on one hand, and on the other hand, rainwater falling to the roof in rainy days can be collected through the enclosing wall, so that rainwater waste caused by the fact that the rainwater flows to the ground through the surrounding wall surface is prevented, and the degree of corrosion of the wall surface can be reduced; the collected rainwater and the garbage such as branches and leaves in the rainwater flow into the collection mechanism through the square outlet; two first inclined planes are symmetrically arranged on the roof close to the square outlet; the collecting mechanism is arranged on the outer side wall of the house; the sewer pipe is arranged on the side wall of the house through a fixed support, and the upper end of the sewer pipe is connected with the collecting mechanism; the sewer pipe plays a role in guiding inflow rainwater, so that the rainwater on the roof flows to the lower side of the house through the sewer pipe after being filtered by the collecting mechanism and the filtering mechanism, and is convenient for people to collect the rainwater; one side of the downcomer, which is close to the collecting mechanism, is provided with a filtering mechanism which filters garbage such as leaves in rainwater passing through the downcomer.

The collecting mechanism comprises a collecting structure, a first swinging plate, a second swinging plate, a filtering baffle, a fixture block and a second volute spring, wherein the collecting structure consists of a bottom plate and a surrounding plate, the bottom plate is provided with two symmetrical first step surfaces with different heights, a second step surface and a third step surface; the second step surface is positioned on the upper sides of the two first step surfaces, the two first step surfaces are positioned on the upper side of the third step surface, the two first step surfaces and the second step surface are positioned at the same end on the bottom plate, the third step surface is positioned at the other end on the bottom plate, the two first step surfaces and the second step surfaces which are symmetrically distributed on the two sides of the second step surface are in transition through inclined surfaces, the first step surface, the second step surface and the third step surface are in transition through inclined surfaces, and the preferential flow direction of rainwater can be controlled through the difference of the heights of the first step surface, the second step surface and the third step surface; smooth flow of rainwater can be ensured through slope transition; the enclosing plate is arranged on the periphery of the bottom plate, a water outlet is formed in the third step surface, two first square openings are symmetrically formed in two sides of the enclosing plate, a mounting circular groove is formed in the upper end of one side of each first square opening, and a first shaft hole penetrating through the bottom plate is formed in the lower end of each first square opening; the collecting structure is arranged on a side wall of the house, two first step surfaces are correspondingly matched with two first inclined surfaces formed on the roof of the house, and a second step surface is matched with a wall surface between the two first inclined surfaces; so that rainwater flows into the first step surface preferentially through the first inclined surface.

The collecting structure comprises a collecting structure, a first rotating shaft, a second rotating shaft, a grid net and a second swinging plate, wherein the collecting structure is arranged on the two sides of the collecting structure, the first rotating shaft is arranged on the collecting structure, the upper end of the first rotating shaft is positioned in an installation circular groove, a second volute spring is arranged between the first rotating shaft and the installation circular groove, the second volute spring plays a role in resetting the first rotating shaft, the lower end of the first rotating shaft penetrates through a first shaft hole and is positioned on the lower side of the collecting structure, the first swinging plate and the grid net-provided second swinging plate are connected to form an L-shaped plate, and a circular shaft hole is formed in the hinged position of the first swinging plate and the grid net-provided second swinging plate; the second swing plate can filter the passing rainwater in the process of being matched with the corresponding first step surface through the grid net; the first swing plate and the second swing plate are arranged on the first rotating shaft through circular shaft holes, and the first rotating shaft can drive the first swing plate and the second swing plate to swing when rotating; in an initial state, the first swing plate is matched with a first square opening formed in the collecting structure, the second swing plate is matched with a corresponding first step surface, the fixture block is installed on one side of the lower end of the first square opening, and the fixture block is matched with the first swing plate; the first swing plate is limited through the clamping block, so that the situation that the second swing plate is matched with the second step surface to generate errors due to overlarge swing angles in the resetting process of the first swing plate and the second swing plate is prevented; a filtering baffle with a grid net is arranged on the upper side of the second step surface, and the filtering baffle is matched with the second swing plate; keep apart leaf rubbish and second step face on will flowing into first step face through filtering baffle, prevent that leaf rubbish from being higher than second step face back second step face inflow third step face in, lead to the rainwater of leaf rubbish inflow together to carry out filtration treatment.

The first rotating shaft can be manually controlled to rotate.

As a further improvement of the technology, the filtering mechanism comprises a filtering conical block, a first lug, a second lug, a third lug and a first volute spiral spring, wherein an annular gap is formed on the outer circular surface of one side of the downcomer, which is close to the collecting mechanism, and the first lug is arranged on the outer circular surface of the downcomer; the second support lug is arranged on the lower side of the first support lug in a rotating fit manner, and the first support lug and the second support lug are connected through a second pin; a first volute spring is arranged between the second pin and the first lug; the first scroll spring plays a role in resetting the filtering conical block; the third lug is arranged on the second lug in a swing fit manner, and the third lug is connected with the second lug through a first pin; the third lug can swing up and down relative to the second lug; the filtering conical block is provided with filtering holes which are communicated up and down; filtering the rainwater passing through the filtering conical block through the filtering hole; the filtering conical block is arranged on the third support lug through the outer circular surface at the upper end of the filtering conical block, and the filtering conical block is matched with an annular gap formed in the sewer pipe.

As a further improvement of the technology, a second winding wheel is installed at the lower end of the first rotating shaft; the first rotating shaft can be controlled to rotate through the rotation of the second winding wheel, so that the first rotating shaft drives the second swing plate to swing; third pull ropes are wound on the two second winding wheels, and the two sections of third pull ropes are connected with each other through the second pull ropes; the two second winding wheels can be controlled to rotate simultaneously by pulling the second pull rope.

As a further improvement of the technology, the two segments of the third pull ropes are connected with the second pull ropes through the guide of the two second guide wheels.

As a further improvement of the technology, a first winding wheel is installed at the upper end of the second pin, and the first winding wheel is positioned at the upper side of the first lug; a first pull rope is wound on the first winding wheel; the second pin can be controlled to rotate through the rotation of the first winding wheel; the second pin rotates to drive the second lug to rotate; pulling the first pull rope can drive the first winding wheel to rotate.

As a further improvement of the present technology, a first weight is provided at the lower end of the first rope; the first balancing weight can ensure that the first pull rope is vertically downward and cannot be found when the first balancing weight is used because the first pull rope is blown by wind too lightly to hang on other objects.

As a further improvement of the technology, the downcomer is provided with a shunt shell, the upper end and the lower end of the shunt shell are positioned at two sides of an annular gap formed on the downcomer, and the upper end and the lower end of the shunt shell are communicated with the inner side of the downcomer; the diversion shell can ensure that rainwater in the sewer pipe cannot circulate to cause rainwater accumulation on the roof after the upper side of the filtering conical block is blocked, so that water seepage is caused on the roof of a house and water leakage is caused in the house; rainwater positioned on the filtering conical block can be drained to the lower side of the filtering conical block through the shunt shell, so that the circulation of a sewer pipe is ensured; the upper end of the shunting shell is away from the upper end of the filtering conical block by a certain distance, so that after the filtering conical block is blocked, the blockage is prevented from being accumulated and lifted quickly, and the upper end of the shunting shell is blocked quickly. .

As a further improvement of the technology, a first guide wheel is arranged on one side of the first lug through a bracket, and a first pull rope passes through the first guide wheel; the first pull rope is guided by the first guide wheel to be vertically downward.

As a further improvement of the present technology, the first cord is connected to a second cord; when the leaf garbage is taken out, the first winding wheel and the second winding wheel can be driven to rotate simultaneously only by pulling the first pull rope.

As a further improvement of the technology, the fixing support is fixed on the outer wall of the house through expansion screws.

Compared with the traditional rainwater collection technology, the rainwater collection auxiliary device designed by the invention filters rainwater on the roof through the collection mechanism and the filtering mechanism by guiding in the use process, and simply filters leaves, branches and other garbage falling on the roof through the second swing plate in the collection mechanism and the filtering conical block in the filtering mechanism, so that the leaves, the branches and other garbage are left in the collection structure and the sewer pipe positioned on the upper side of the filtering conical block; the filtered rainwater flows into the lower side of the house through a sewer pipe and is stored manually; after raining is finished, leaves, branches and other garbage left in the collecting structure and the sewer pipe positioned on the upper side of the filtering conical block are cleaned by manually pulling the first pull rope.

Drawings

Fig. 1 is an external view of an entire part.

Fig. 2 is a schematic view of the overall component distribution.

Fig. 3 is a schematic view of the distribution of the collection structure.

Fig. 4 is a schematic view of the collection structure installation.

Fig. 5 is a schematic view of the collection structure in cooperation with the first ramp.

Figure 6 is a schematic view of fence installation.

Fig. 7 is a schematic view of a first slope profile.

Fig. 8 is a schematic view of a downcomer installation.

Fig. 9 is a schematic view of the filter arrangement.

Fig. 10 is a schematic view of a fixed support structure.

Fig. 11 is a schematic view of the collection mechanism in cooperation with a downcomer.

Fig. 12 is a schematic view of the filter mechanism installation.

FIG. 13 is a schematic view of a shunt housing installation.

FIG. 14 is a schematic view of a circular gap distribution.

FIG. 15 is a schematic view of the diverter housing engaging the annular gap.

Fig. 16 is a first lug installation schematic.

FIG. 17 is a second lug installation schematic.

Fig. 18 is a first guide wheel installation schematic.

FIG. 19 is a schematic view of a filter cone block installation.

FIG. 20 is a third lug installation schematic.

FIG. 21 is a schematic view of the first wrap spring installation.

Fig. 22 is a schematic plan view of the distribution of the collecting mechanism.

Fig. 23 is a schematic structural distribution diagram of the collecting mechanism.

Fig. 24 is a schematic view of a collecting structure.

FIG. 25 is a schematic view of a first square port distribution.

Fig. 26 is a schematic view of a second winding wheel arrangement.

Fig. 27 is a schematic of a filtration baffle distribution.

Fig. 28 is a schematic view of the first wobble plate and the second wobble plate being installed.

Fig. 29 is a schematic view of the connection of the first wobble plate and the second wobble plate.

Number designation in the figures: 1. a house; 2. a wall; 3. a collection mechanism; 4. a sewer pipe; 5. a collection structure; 6. a square outlet; 7. a first inclined plane; 8. a filtering mechanism; 9. a first pull cord; 10. a first weight block; 11. fixing and supporting; 12. a second pull cord; 13. a shunt shell; 14. filtering the conical block; 15. an annular gap; 16. a first winding wheel; 17. a first lug; 18. a second lug; 19. a support; 20. a third lug; 21. a filtration pore; 22. a first guide wheel; 23. a first pin; 24. a second pin; 25. a first scroll spring; 26. a first rotating shaft; 27. a first swing plate; 28. a second swing plate; 29. a filtering baffle; 30. a clamping block; 31. a second scroll spring; 32. a second winding wheel; 33. installing a circular groove; 34. a first square port; 35. a first step surface; 36. a first shaft hole; 37. a water outlet; 38. a second step surface; 39. a third step surface; 40. a third pull cord; 41. a second guide wheel; 43. circular shaft hole.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 and 2, the device comprises a collecting mechanism 3, a sewer pipe 4 and a filtering mechanism 8, wherein as shown in fig. 6 and 7, the upper side of a house 1 is provided with an enclosing wall 2 provided with a square outlet 6, the enclosing wall 2 can protect people standing on the roof, prevent people from accidentally sliding off the roof and causing damage to the body, and can collect rainwater falling on the roof in rainy days through the enclosing wall 2, prevent the rainwater from flowing to the ground through the surrounding wall surfaces to cause rainwater waste, and reduce the degree of corrosion of the wall surfaces; the collected rainwater and garbage such as branches and leaves in the rainwater flow into the collection mechanism 3 through the square outlet 6; as shown in fig. 7, two first inclined planes 7 are symmetrically arranged on the roof close to the square outlet 6; as shown in fig. 3 and 4, the collecting mechanism 3 is mounted on the outer wall of the house 1; as shown in fig. 9 and 10, the downcomers 4 are mounted on the side walls of the house 1 by means of fixed supports 11, and as shown in fig. 12, the upper ends of the downcomers 4 are connected to the collecting mechanism 3; the sewer pipe 4 plays a role in guiding inflow rainwater, so that the rainwater on the roof flows to the lower side of the house 1 through the sewer pipe 4 after being filtered by the collecting mechanism 3 and the filtering mechanism 8, and is convenient for people to collect the rainwater; a filtering mechanism 8 for filtering rubbish such as leaves in the rainwater passing through the downcomer 4 is arranged on one side of the downcomer 4 close to the collecting mechanism 3.

As shown in fig. 22, the collecting mechanism 3 comprises a collecting structure 5, a first swing plate 27, a second swing plate 28, a filtering baffle 29, a clamping block 30 and a second scroll spring 31, wherein as shown in fig. 24 and 25, the collecting structure 5 is composed of a bottom plate and a surrounding plate, the bottom plate is provided with two symmetrical first step surfaces 35 with different heights, a second step surface 38 and a third step surface 39, the invention designs three step surfaces, so that rainwater firstly passes through the first step surface 35 and the second step surface 38 in the flowing process, rainwater passing through the first step surface 35 and the second step surface 38 preferentially passes through the first step surface 35, a part of rubbish such as leaves, branches and the like is isolated in a space formed by the second swing plate 28 and the filtering baffle 29 through the filtering of the second swing plate 28 matched with the first step surface 35, and rainwater filtered by the second swing plate 28 flows into the lowest third step surface 39, flows into the downcomer 4 through the water outlet 37 on the third step surface 39; the second step surface 38 is positioned at the upper sides of the two first step surfaces 35, the two first step surfaces 35 are positioned at the upper side of the third step surface 39, the two first step surfaces 35 and the second step surface 38 are positioned at the same end on the bottom plate, the third step surface 39 is positioned at the other end on the bottom plate, the two first step surfaces 35 and the second step surfaces 38 which are symmetrically distributed at the two sides of the second step surface 38 are in transition through inclined surfaces, the first step surface 35, the second step surface 38 and the third step surface 39 are in transition through inclined surfaces, and the preferential flow direction of rainwater can be controlled through the difference of the heights of the first step surface 35, the second step surface 38 and the third step surface 39; smooth flow of rainwater can be ensured through slope transition; the enclosing plate is arranged on the periphery of the bottom plate, as shown in fig. 25, a water outlet 37 is arranged on the third step surface 39, two first square openings 34 are symmetrically arranged on two sides of the enclosing plate, a mounting circular groove is arranged at the upper end of one side of each first square opening, and a first shaft hole 36 penetrating through the bottom plate is arranged at the lower end of each first square opening 34; the collecting structure 5 is installed on the side wall of the house 1, and the two first step surfaces 35 are correspondingly matched with the two first inclined surfaces 7 formed on the roof of the house 1, as shown in fig. 5, and the second step surface 38 is matched with the wall surface between the two first inclined surfaces 7; so that rainwater preferentially flows into the first step surface 35 through the first slope 7.

As shown in fig. 22 and 23, the mounting structures on both sides of the collecting structure 5 are completely the same, for one of the two sides of the collecting structure 5, as shown in fig. 22 and 27, the first rotating shaft 26 is mounted on the collecting structure 5, the upper end of the first rotating shaft 26 is located in the mounting circular groove 33, the second spiral spring 31 is mounted between the first rotating shaft 26 and the mounting circular groove 33, the second spiral spring 31 has a restoring effect on the first rotating shaft 26, the lower end of the first rotating shaft 26 passes through the first shaft hole 36 and is located on the lower side of the collecting structure 5, as shown in fig. 28, the first swing plate 27 and the second swing plate 28 with grid mesh are connected to form an L-shaped plate, and as shown in fig. 29, a circular shaft hole 43 is opened at the hinge joint of the two; the second swing plate 28 can filter the passing rainwater in the process of being matched with the corresponding first step surface 35 through the grid mesh; as shown in fig. 23, the first swing plate 27 and the second swing plate 28 are mounted on the first rotating shaft 26 through a circular shaft hole 43, and the first rotating shaft 26 rotates to drive the first swing plate 27 and the second swing plate 28 to swing; in an initial state, the first swing plate 27 is matched with a first square opening 34 formed in the collecting structure 5, the second swing plate 28 is matched with a corresponding first step surface 35, the fixture block 30 is installed on one side of the lower end of the first square opening 34, and the fixture block 30 is matched with the first swing plate 27; the first swing plate 27 is limited by the fixture block 30, so that the second swing plate 28 is prevented from being matched with the second step surface 38 to generate errors due to an overlarge swing angle in the resetting process of the first swing plate 27 and the second swing plate 28; a filtering baffle 29 with a grid mesh is mounted on the upper side of the second step surface 38, and the filtering baffle 29 is engaged with the second swinging plate 28; the leaf garbage flowing into the first step surface 35 is separated from the second step surface 38 by the filtering baffle 29, and the situation that the leaf garbage flows into the third step surface 39 through the second step surface 38 after being higher than the second step surface 38 is prevented, so that rainwater flowing into the leaf garbage together cannot be filtered.

The first rotation shaft 26 may be manually controlled in its rotation.

In summary, the following steps:

the beneficial effects of the design of the invention are as follows: in the rainwater collection auxiliary device, rainwater on a roof is filtered by the collection mechanism 3 and the filtering mechanism 8 through diversion in the use process, leaves, branches and other garbage falling from the roof are simply filtered by the second swing plate 28 in the collection mechanism 3 and the filtering conical block 14 in the filtering mechanism 8, and the leaves, branches and other garbage are left in the collection mechanism 5 and the sewer pipe 4 positioned on the upper side of the filtering conical block 14; the filtered rainwater flows into the lower side of the house 1 through the sewer pipe 4 and then is manually stored; after the rain is finished, leaves, branches and other garbage left in the collecting structure 5 and the sewer pipe 4 positioned on the upper side of the filtering conical block 14 are cleaned by manually pulling the first pull rope 9.

As shown in fig. 17, the filtering mechanism 8 includes a filtering conical block 14, a first lug 17, a second lug 18, a third lug 20, and a first spiral spring 25, wherein as shown in fig. 14 and 15, an annular gap 15 is formed on the outer circumferential surface of the downcomer 4 near one side of the collecting mechanism, and as shown in fig. 16, the first lug 17 is mounted on the outer circumferential surface of the downcomer 4; the second lug 18 is arranged at the lower side of the first lug 17 in a rotating fit manner, and the first lug 17 is connected with the second lug 18 through a second pin 24; as shown in fig. 20 and 21, a first spiral spring 25 is installed between the second pin 24 and the first lug 17; the first scroll spring 25 plays a role in resetting the filter cone block 14; as shown in fig. 19, the third lug 20 is mounted on the second lug 18 by a swing fit and the third lug 20 is connected with the second lug 18 by a first pin 23; the third lug 20 can swing up and down relative to the second lug 18; as shown in fig. 17, the filter cone block 14 has filter holes 21 penetrating vertically; the rainwater passing through the filtering conical block 14 is filtered through the filtering holes 21; the filter cone block 14 is mounted on the third lug 20 through the outer circumferential surface of the upper end thereof, and the filter cone block 14 is fitted with an annular gap 15 formed in the downcomer 4.

As shown in fig. 26, a second winding wheel 32 is mounted on the lower end of the first shaft 26; the first rotating shaft 26 can be controlled to rotate through the rotation of the second winding wheel 32, so that the first rotating shaft 26 drives the second swinging plate 28 to swing; the two second winding wheels 32 are respectively wound with a third pull rope 40, and the two sections of the third pull ropes 40 are connected with each other through the second pull ropes 12; pulling the second pull cord 12 simultaneously controls the rotation of the two second winding wheels 32.

As shown in fig. 26, the two-stage third rope 40 is connected to the second rope 12 through the guidance of the two second guide pulleys 41.

As shown in fig. 20, the first winding wheel 16 is installed on the upper end of the second pin 24, and the first winding wheel 16 is located on the upper side of the first lug 17; a first pull rope 9 is wound on the first winding wheel 16; the second pin 24 can be controlled to rotate by the rotation of the first winding wheel 16; the second pin 24 rotates to drive the second lug 18 to rotate; pulling the first pull cord 9 can drive the first winding wheel 16 to rotate.

As shown in fig. 8 and 9, the lower end of the first rope 9 is provided with a first counterweight 10; the first counter weight 10 can ensure that the first pull rope 9 is vertically downward and cannot be caught by other objects due to too light wind and cannot be found in use.

As shown in fig. 13 and 14, the downcomer 4 is provided with the diversion shell 13, and the upper and lower ends of the diversion shell 13 are located at two sides of the annular gap 15 formed in the downcomer 4, as shown in fig. 15, the upper and lower ends of the diversion shell 13 are both communicated with the inner side of the downcomer 4; the diversion shell 13 can ensure that when the upper side of the filtering conical block 14 is blocked, rainwater in the sewer pipe 4 cannot circulate to cause rainwater accumulation on the roof, so that water seepage is caused on the roof of the house 1, and water leaks in the house; the rainwater at the filtering conical block 14 can be guided to the lower side of the filtering conical block 14 through the diversion shell 13, and the circulation of the sewer pipe 4 is ensured. The upper end of the shunting shell is away from the upper end of the filtering conical block by a certain distance, so that after the filtering conical block is blocked, the blockage is prevented from being accumulated and lifted quickly, and the upper end of the shunting shell is blocked quickly.

As shown in fig. 17 and 18, the first guide wheel 22 is mounted on one side of the first lug 17 through the bracket 19, and the first pull rope 9 passes through the first guide wheel 22; the first rope 9 is guided vertically downward by the first guide wheel 22.

As shown in fig. 8 and 11, the first cord 9 is connected to the second cord 12; when the leaf waste is taken out, the first pulling rope 9 is pulled to drive the first winding wheel 16 and the second winding wheel 32 to rotate simultaneously.

The fixing support 11 is fixed to the outer wall of the house 1 by expansion screws.

The specific working process is as follows: when people use the rainwater collection auxiliary device designed by the invention, in rainy days, rainwater falling to the roof can be collected through the enclosing wall 2 on the upper side of the roof, then flows into the collection structure 5 through the square outlet 6 formed in the enclosing wall 2, through the three designed step surfaces, the rainwater firstly passes through the first step surface 35 and the second step surface 38 in the flowing process, the rainwater passing through the first step surface 35 and the second step surface 38 preferentially passes through the first step surface 35, and a part of garbage such as leaves, branches and the like is isolated in a space formed by the second swinging plate 28 and the filtering baffle 29 through the filtration of the second swinging plate 28 matched with the first step surface 35, while the rainwater filtered by the second swinging plate 28 flows into the lowest third step surface 39 and flows into the sewer pipe 4 through the water outlet 37 on the third step surface 39; when rainwater flows into the first step surface 35, the rainwater can flush leaves, branches and other garbage falling from the top of the house 1 into the first step surface 35, the leaves, branches and other garbage flowing into the first step surface 35 can be isolated and filtered by the grid net on the second swing plate 28, so that the rainwater flows into the third step surface 39, the leaves, branches and other garbage are left on the first step surface 35, when the leaves, branches and other garbage remaining on the first step surface 35 reach a certain amount and the highest plane of the rainwater is higher than the second step surface 38, the rainwater can directly flow into the third step surface 39 through the second step surface 38 and flow into the sewer pipe 4 through the third step surface 39, and simultaneously, along with the flow of the rainwater, the leaves, branches and other garbage in the rainwater can also flow into the sewer pipe 4, and the inflow leaves, branches and other garbage can be filtered by the filtering conical blocks 14 in the sewer pipe 4, Filtering branches and other garbage; when a user wants to discharge leaf waste remained in the collecting structure 5 and the sewer pipe 4 after raining, the user manually pulls the first pull rope 9, so that the first pull rope 9 drives the second winding wheel 32 to rotate, the first rotating shaft 26 is driven to rotate through the rotation of the second winding wheel 32, the first rotating shaft 26 drives the first swing plate 27 and the second swing plate 28 to swing, the leaf waste between the second swing plate 28 and the filtering baffle plate 29 is squeezed by the second swing plate 28 in the swinging process, and the leaf waste between the second swing plate 28 and the filtering baffle plate 29 is pushed out by the second swing plate 28 through the first square opening 34 and falls to the ground to be treated; meanwhile, the first pull rope 9 drives the first winding wheel 16 to rotate, so that the filtering conical block 14 firstly horizontally rotates and moves out of the outer side of the sewer pipe 4, then the filtering conical block 14 automatically swings downwards under the action of the gravity of the filtering conical block and the gravity of the leaf garbage on the upper side of the filtering conical block, the leaf garbage on the upper side of the filtering conical block is poured, after the treatment is finished, the filtering conical block 14 drives the filtering conical block 14 to horizontally swing under the restoring force of the first scroll spring 25, the conical inclined surface on the filtering conical block 14 is matched with the lower side of the annular notch 15 formed in the sewer pipe 4 during the swinging, and the filtering conical block 14 is gradually restored under the action of the restoring force of the scroll spring and the conical inclined surface; the first and second swing plates 27 and 28 are restored to the original state by the scroll spring.

Claims

1. The utility model provides a green building rainwater drainage device which characterized in that: the device comprises a collecting mechanism, a sewer pipe and a filtering mechanism, wherein the upper side of a house is provided with an enclosing wall provided with a square outlet, and a roof is symmetrically provided with two first inclined planes close to the square outlet; the collecting mechanism is arranged on the outer side wall of the house; the sewer pipe is arranged on the side wall of the house through a fixed support, and the upper end of the sewer pipe is connected with the collecting mechanism; a filtering mechanism for filtering the garbage in the rainwater passing through the sewer pipe is arranged on one side of the sewer pipe close to the collecting mechanism;

the collecting mechanism comprises a collecting structure, a first swing plate, a second swing plate, a filtering baffle, a fixture block and a second volute spring, wherein the collecting structure is composed of a bottom plate and a surrounding plate, the bottom plate is provided with two symmetrical first step surfaces with different heights, a second step surface and a third step surface, the second step surface is positioned on the upper sides of the two first step surfaces, the two first step surfaces are positioned on the upper side of the third step surface, the two first step surfaces and the second step surface are positioned at the same end of the bottom plate, the third step surface is positioned at the other end of the bottom plate, the two first step surfaces and the second step surfaces which are symmetrically distributed on the two sides of the second step surface are in transition through inclined planes, the first step surfaces and the second step surfaces are in transition through inclined planes with the third step surface, the surrounding plate is arranged on the periphery of the bottom plate, the third step surface is provided with a water outlet, the two sides of the surrounding plate are symmetrically provided with two first square openings, the upper end of one side of the first square opening is provided with a mounting circular groove, and the lower end of the first square opening is provided with a first shaft hole penetrating through the bottom plate; the collecting structure is arranged on a side wall of the house, two first step surfaces are correspondingly matched with two first inclined surfaces formed on the roof of the house, and a second step surface is matched with a wall surface between the two first inclined surfaces;

the collecting structure is completely the same in mounting structure on two sides, for one of the two sides of the collecting structure, the first rotating shaft is mounted on the collecting structure, the upper end of the first rotating shaft is positioned in the mounting circular groove, the second volute spiral spring is mounted between the first rotating shaft and the mounting circular groove, the lower end of the first rotating shaft penetrates through the first shaft hole and is positioned at the lower side of the collecting structure, the first swing plate and the second swing plate with grid meshes are connected to form an L-shaped plate, and a circular shaft hole is formed in the hinged position of the first swing plate and the second swing plate; the first swing plate and the second swing plate are arranged on the first rotating shaft through circular shaft holes, in an initial state, the first swing plate is matched with a first square opening formed in the collecting structure, the second swing plate is matched with a corresponding first step surface, the fixture block is arranged on one side of the lower end of the first square opening, and the fixture block is matched with the first swing plate; a filtering baffle with a grid net is arranged on the upper side of the second step surface, and the filtering baffle is matched with the second swing plate;

the first rotating shaft is manually controlled to rotate;

the filtering mechanism comprises a filtering conical block, a first lug, a second lug, a third lug and a first volute spiral spring, wherein an annular gap is formed in the outer circular surface of one side, close to the collecting mechanism, of the sewer pipe, and the first lug is arranged on the outer circular surface of the sewer pipe; the second support lug is arranged on the lower side of the first support lug in a rotating fit manner, and the first support lug and the second support lug are connected through a second pin; a first volute spiral spring is arranged between the second pin and the first lug; the third lug is arranged on the second lug in a swing fit manner, and the third lug is connected with the second lug through a first pin; the filtering conical block is provided with filtering holes which are communicated up and down; the filtering conical block is arranged on the third support lug through the outer circular surface at the upper end of the filtering conical block, and the filtering conical block is matched with an annular gap formed in the sewer pipe;

a second winding wheel is arranged at the lower end of the first rotating shaft; and the two second winding wheels are respectively wound with a third pull rope, and the two sections of third pull ropes are connected with each other through the second pull ropes.

2. The green building rainwater drainage apparatus according to claim 1, wherein: the two sections of third pull ropes are connected with the second pull ropes through the guide of the two second guide wheels.

3. The green building rainwater drainage apparatus according to claim 1, wherein: a first winding wheel is arranged at the upper end of the second pin, and the first winding wheel is positioned on the upper side of the first lug; the first winding wheel is wound with a first pull rope.

4. A green building rainwater drainage device according to claim 3, wherein: the lower end of the first pull rope is provided with a first balancing weight.

5. The green building rainwater drainage apparatus according to claim 1, wherein: the sewer pipe is provided with a shunting shell, the upper end and the lower end of the shunting shell are positioned at two sides of an annular gap formed in the sewer pipe, and the upper end and the lower end of the shunting shell are communicated with the inner side of the sewer pipe.

6. The green building rainwater drainage apparatus according to claim 1, wherein: the first guide wheel is arranged on one side of the first support lug through a support, and the first pull rope passes through the first guide wheel.

7. The green building rainwater drainage apparatus according to claim 1, wherein: the fixing support is fixed on the outer wall of the house through expansion screws.