CN111236551B

CN111236551B - House building drainage system

Info

Publication number: CN111236551B
Application number: CN202010040128.6A
Authority: CN
Inventors: 王明; 樊户江
Original assignee: Anhui Ande Architectural Design Co ltd
Current assignee: Anhui Ande Architectural Design Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2021-04-02
Anticipated expiration: 2040-01-15
Also published as: CN111236551A

Abstract

The invention relates to a house building drainage system, which comprises a vertical wall body, a parapet wall positioned at the top of the wall body and a drainage groove arranged on the parapet wall, wherein a drainage unit I and a drainage unit II are arranged below the drainage groove; the top of the elbow is sleeved outside the drain pipe and is rotationally connected with the drain pipe, and an irrigation channel and a drainage channel which are vertical to each other are arranged below the elbow; the first water drainage pipe is provided with a driving device for driving the bent pipe to rotate, and the first water drainage pipe is internally provided with an adjusting device. The invention has the effects of using roof water flow for irrigation and changing the drainage path.

Description

House building drainage system

Technical Field

The invention relates to the technical field of house building structures, in particular to a house building drainage system.

Background

At present, in many fields, energy conservation and emission reduction are the first issues to be considered in the current development stage of economy. In the field of water use, it is a common treatment means to collect rainfall on the roof for irrigation.

The combined type building template structure groove body provided by the patent application with the publication number of CN103290811A in the prior art is formed by splicing and combining a plurality of straight groove bodies and a plurality of corner unit groove bodies, wherein each corner unit groove body comprises a right-angle groove body, a T-shaped groove body and a cross groove body. The building template structure groove body is used for drainage channels and farmland irrigation channels, and has the advantages of simple assembly, convenient assembly and disassembly, repeated use and the like. When the concrete is poured into the building house foundation, the disposable foundation groove is used for replacing a building template used in the traditional building house foundation concrete pouring process, and the concrete pouring device has the advantages of one-step forming, convenience, flexibility, shortened construction period, wood and steel conservation and the like.

The above prior art solutions have the following drawbacks: there is the practicality among the current drainage system to the roof exhaust rainwater carry out the irrigation of plant, but when rainy day rainwater is more, can not effectively shift the roof exhaust rainwater, probably leads to the plant to be caused the waterlogging by excessive watering and dies, consequently needs provide a drainage system, changes the discharge route of roof rainwater, reduces the possibility that takes place excessive watering phenomenon.

Disclosure of Invention

In view of the shortcomings of the prior art, it is an object of the present invention to provide a drainage system for housing construction that uses roof water flow for irrigation and that can change the drainage path.

The above object of the present invention is achieved by the following technical solutions:

a house building drainage system comprises a vertical wall body, a parapet wall positioned at the top of the wall body and a drainage groove arranged on the parapet wall, wherein a first drainage unit and a second drainage unit are arranged below the drainage groove; the top of the elbow is sleeved outside the drain pipe and is rotationally connected with the drain pipe, and an irrigation channel and a drainage channel which are vertical to each other are arranged below the elbow; the first water drainage pipe is provided with a driving device for driving the bent pipe to rotate, and the first water drainage pipe is internally provided with an adjusting device for controlling the driving device to open and close.

By adopting the technical scheme, the structure of two drainage units is used, water flow on the roof parapet wall can be collected and sent into the first drainage pipe through the drainage groove, the water flow is divided in the first drainage pipe, one part of the water flow flows into the water tank, the other part of the water flow flows into the bent pipe and is discharged, and the bent pipe sends the water flow into the irrigation channel for irrigation of the planting groove; the driving device on the first water drainage pipe can drive the bent pipe to rotate, so that the reversing of the bent pipe is realized, the bent pipe sends the drained water flow into the drainage ditch to be drained away, and the drainage pipe excessively irrigates the planting groove; the second drain pipe is connected with the water tank, and water in the water tank can be used for irrigation through the second drain pipe when rainwater is less.

The present invention in a preferred example may be further configured to: the bottom of the first water drainage pipe is provided with a connecting pipe, the adjusting device is arranged in the connecting pipe, and the top of the connecting pipe and the bottom of the first water drainage pipe are both provided with flange plates and are connected through the flange plates; the bottom of the connecting pipe is provided with an annular bulge, the top of the elbow is rotationally connected with the connecting pipe through the annular bulge, and the rotation center of the elbow is the axis of the connecting pipe.

By adopting the technical scheme, the structure of the connecting pipe is used for being connected with the first drain pipe and installing the bent pipe at the bottom, and the connecting pipe is connected with the first drain pipe by using the structure of the flange plate, so that the installation is more convenient; meanwhile, the adjusting device is arranged on the connecting pipe, so that the installation and the processing are convenient.

The present invention in a preferred example may be further configured to: the driving device comprises a connecting plate arranged on the connecting pipe and a rack connected with the connecting plate in a sliding manner, and the periphery of the elbow is provided with meshing teeth meshed with the rack; an electromagnet is arranged on the connecting pipe, and an armature iron matched with the electromagnet is arranged at the top of the rack.

By adopting the technical scheme, the structure of the rack and the meshing teeth is used as the driving device, the armature on the rack can be attracted when the electromagnet works, so that the armature drives the rack to move towards the direction close to the electromagnet, the bent pipe can be driven to rotate in the moving process, and the reversing of the drainage direction at the bottom of the bent pipe is realized.

The present invention in a preferred example may be further configured to: the rack is positioned below the connecting plate, the top of the rack is provided with a slide bar, the bottom of the connecting plate is horizontally provided with a dovetail groove matched with the slide bar along the length direction of the connecting plate, and the rack horizontally slides along the length direction of the connecting plate; the bottom of the connecting plate is provided with a convex block, the convex block is positioned on one side of the slide bar, which is far away from the electromagnet, a first spring is arranged between the convex block and the slide bar, and two ends of the first spring are respectively connected with the convex block and the slide bar.

Through adopting above-mentioned technical scheme, the rack carries out sliding connection through the structure and the connecting plate of top draw runner, and the draw runner carries out slidable mounting through the structure of dovetail, and the connecting plate bottom sets up the structure of lug, connects the structure of spring one between lug and the draw runner, and lug and draw runner are connected respectively to spring one both ends, and when the electro-magnet no longer attracted armature, the structure of spring one can realize reseing to the rack, and the rack can drive return bend antiport, realizes reseing of return bend.

The present invention in a preferred example may be further configured to: the adjusting device comprises a supporting plate which is rotatably arranged in the connecting pipe, the supporting plate is obliquely arranged, and the rotating center line is in the horizontal direction; a sleeve communicated with the inside of the connecting pipe is arranged on one side of the connecting pipe, the sleeve is horizontally arranged, and a first contact is arranged at one end, far away from the connecting pipe, of the inside of the sleeve; a rubber block is slidably mounted in the sleeve, a contact II matched with the contact I is arranged on one side, close to the contact I, of the rubber block, and the electromagnet is electrically connected with the contact I and the contact II through a lead; a connecting rod is arranged between the connecting plate and the rubber block, and two ends of the connecting rod are respectively hinged with the supporting plate and the rubber block.

Through adopting above-mentioned technical scheme, the layer board rotates and installs in the connecting pipe, when the rainfall is great, the power of effect on the layer board is great, the layer board can rotate downwards under the effect of rainwater, the structure effect that the layer board passes through the connecting rod is on the block rubber, make the block rubber drive contact two to the direction of contact one be close to, the circuit of electro-magnet switches on after contact one and the contact two contact, can attract armature through the structure of electro-magnet, through adjusting device's structure, can realize the regulation to return bend drainage direction according to the size of rainfall.

The present invention in a preferred example may be further configured to: one end of the sleeve, which is far away from the connecting pipe, is sealed and connected with a baffle, the first contact is positioned on the baffle, a second spring is arranged in the sleeve, and two ends of the second spring are respectively connected with the rubber block and the baffle.

Through adopting above-mentioned technical scheme, increased the structure of baffle, used the structure installation contact one of baffle, installed the structure of spring two between block rubber and baffle, when the rivers pressure of layer board top reduces, make block rubber and layer board can reset under the effect of spring two.

The present invention in a preferred example may be further configured to: the valve component comprises a horizontal plate formed inside a drain pipe II and a connecting block formed on one side of the drain pipe II, a through hole is formed in the middle of the horizontal plate, a movable groove communicated with the drain pipe II is formed in the connecting block, the movable groove is horizontally arranged and movably provided with a movable block, the end part of the movable block extends into the drain pipe II and is abutted against the horizontal plate, a spring groove is formed in the movable block, a spring block is movably arranged in the spring groove, a spring III is arranged in the spring groove along the spring groove in a horizontal sliding spring groove, the end part of the spring block and the groove bottom of the spring groove are respectively connected with the two ends of the spring III, the spring III acts on the spring block to enable the end part of the spring block to extend to the outside of the spring groove, and a; an inclined plane is arranged at the end part of the spring block, and the inclined direction of the inclined plane is inclined from the center of the movable block to the side surface to the direction far away from the drain pipe II; the end part of the movable block is connected with a pull rope, and the pull rope penetrates through the second water discharge pipe to be connected with the rack.

Through adopting the above-mentioned technical scheme, the valve member of two inside water discharge pipes has been increased, a water discharge pipe opening and closing for realizing two drainage of water discharge pipe, the structure of movable block in connecting block and the connecting block has been increased, install reset spring and spring block's structure in the movable block, make the return bend drive the movable block and carry out horizontal migration through the structure of stay cord, the spring block cooperates with the draw-in groove gradually, realized the location to the movable block, the movable block bottom shelters from the through-hole, the rivers that have restricted in the water discharge pipe two flow, the effect of valve has been played, and it removes to be that drive arrangement drives the movable block, the rainfall is great this moment, the watering of two pairs of planting grooves of water discharge pipe one and water discharge pipe has been restricted simultaneously, the dead possibility of.

The present invention in a preferred example may be further configured to: connecting block both sides shaping has the link, and the link has the movable rod including connecting the vertical board on the movable block and connecting the transverse plate between vertical board tip, movable mounting on the transverse plate, the movable rod tip along to the draw-in groove in, the outside cover of movable rod is equipped with spring four, the one end that the movable block was kept away from to the movable rod is provided with the separation blade, separation blade and transverse plate are connected respectively to four both ends of spring.

Through adopting above-mentioned technical scheme, the structure of link has been used to install the movable rod on the link, the movable rod can be used in the spring block when the draw-in groove is inside movable and make the spring block remove to the movable block, and the spring block no longer mutually supports with the draw-in groove, and the movable block can be to the direction activity of keeping away from drain pipe two, and the through-hole on the horizontal plate is no longer sheltered from to the movable block bottom, and drain pipe two can normally be used for the drainage.

The present invention in a preferred example may be further configured to: two sides of the drain pipe are provided with a wire leaking hole for the stay cord to pass through, the inner wall of the wire leaking hole is provided with a rubber ring, and the stay cord penetrates through the rubber ring and extends to the outside of the drain pipe II.

Through adopting above-mentioned technical scheme, use the structure of leaking the line hole and installing the rubber circle, promoted the connection leakproofness of two junctions of stay cord and drain pipe, reduced the phenomenon of leaking the infiltration of line hole department.

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

the structure of two drainage units is used, water flow on the parapet wall of the roof can be collected and sent into the first drainage pipe through the drainage groove, the water flow is divided in the first drainage pipe, one part of the water flow flows into the water tank, the other part of the water flow flows into the bent pipe and is discharged, and the bent pipe sends the water flow into the irrigation channel for irrigation of the planting groove; the driving device on the first water drainage pipe can drive the bent pipe to rotate, so that the reversing of the bent pipe is realized, the bent pipe sends the drained water flow into the drainage ditch to be drained away, and the drainage pipe excessively irrigates the planting groove;

the structure of the supporting plate, the rubber block and the two contacts is used, the electromagnet is controlled by the size of water flow, when the water flow is large, the supporting plate rotates and acts on the rubber block to realize the sliding of the rubber block, the first contact and the second contact are close to each other to realize the opening of the electromagnet, the rotation of the bent pipe is realized, and the reversing of the bent pipe can be realized without manual control;

the valve component in the second water drainage pipe is added for opening and closing the water drained by the second water drainage pipe, the driving device drives the valve component to move, the rainfall is large, the irrigation of the first water drainage pipe and the second water drainage pipe to the planting grooves is limited, and the possibility of waterlogging of plants is reduced.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present invention;

FIG. 2 is a schematic view of the driving device according to the present invention;

FIG. 3 is a schematic view of the structure of the adjusting device of the present invention;

FIG. 4 is a schematic view of the valve assembly of the present invention;

FIG. 5 is a schematic cross-sectional view of a valve assembly of the present invention.

Reference numerals: 1. a wall body; 11. a parapet wall; 12. a water discharge tank; 13. a drainage ditch; 14. irrigating the canal; 15. planting grooves; 2. a first water drainage pipe; 21. a connecting pipe; 22. a flange plate; 3. a second water drainage pipe; 31. a water tank; 4. bending the pipe; 5. a drive device; 51. a connecting plate; 52. a rack; 53. a slide bar; 54. an electromagnet; 55. an armature; 56. a bump; 57. a first spring; 6. a street device; 61. a sleeve; 62. a support plate; 63. a connecting rod; 64. a rubber block; 65. a first contact; 66. a second contact; 67. a second spring; 7. a valve assembly; 71. a horizontal plate; 72. connecting blocks; 73. a movable block; 74. a spring slot; 75. a spring block; 76. a third spring; 77. a card slot; 78. a longitudinal plate; 79. a transverse plate; 8. pulling a rope; 9. a movable rod; 91. and a fourth spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the house building drainage system disclosed by the invention comprises a vertical wall body 1, a parapet wall 11 positioned at the top of the wall body 1 and a drainage groove 12 arranged on the parapet wall 11, wherein a first drainage unit and a second drainage unit are arranged below the drainage groove 12.

Referring to fig. 1 and 2, the first drainage unit comprises a first drainage pipe 2 arranged at the bottom of the parapet 11 and communicated with the drainage groove 12 and a bent pipe 4 connected to the bottom of the first drainage pipe 2, the bent pipe 4 is in an L shape, the drainage unit comprises a water tank 31 and a second drainage pipe 3 arranged at the bottom of the water tank 31, the top of the water tank 31 is communicated with the first drainage pipe 2 through a pipeline, and a valve assembly 7 is arranged on the second drainage pipe 3. The top of the bent pipe 4 is sleeved outside the drain pipe I2 and is rotatably connected with the drain pipe I2, an irrigation channel 14 and a drainage channel 13 which are perpendicular to each other are arranged below the bent pipe 4, a planting groove 15 is formed in one side of the wall body 1, and the irrigation channel 14 is communicated with the planting groove 15. The first water discharge pipe 2 is provided with a driving device 5 for driving the elbow 4 to rotate, and the first water discharge pipe 2 is provided with an adjusting device for controlling the driving device 5 to open and close.

Referring to fig. 1 and 2, a connecting pipe 21 is installed at the bottom of the first drain pipe 2, an adjusting device is installed in the connecting pipe 21, a driving device 5 is installed outside the connecting pipe 21, and flanges 22 are provided at the top of the connecting pipe 21 and at the bottom of the first drain pipe 2 and connected through the flanges 22. The bottom of the connecting pipe 21 is provided with an annular bulge, the top of the elbow 4 is rotatably connected with the connecting pipe 21 through the annular bulge, and the rotating center is the axis of the connecting pipe 21. The structure of the connecting pipe 21 is added for mounting the adjusting device and the driving device 5, so that the processing operation is convenient. The driving device 5 comprises a connecting plate 51 arranged on the connecting pipe 21 and a rack 52 connected with the connecting plate 51 in a sliding manner, wherein a vertical sliding strip 53 is formed at the top of the rack 52, a dovetail groove matched with the top of the sliding strip 53 is formed at the bottom of the connecting plate 51 along the length direction of the connecting plate, and the rack 52 and the sliding strip 53 horizontally slide along the dovetail groove. The periphery of the elbow 4 is formed with meshing teeth meshed with the rack 52, the connecting pipe 21 is fixed with an electromagnet 54, the top of the rack 52 is provided with an armature 55 matched with the electromagnet 54, and the armature 55 is fixed on one side of the slide bar 53 close to the electromagnet 54. The rack 52 is located on the side of the connecting pipe 21 away from the wall 1, and when the electromagnet 54 works, the rack 52 is driven to horizontally slide, and the rack 52 drives the bent elbow pipe 4 to horizontally rotate. A lug 56 is formed at the bottom of the connecting plate 51, the lug 56 is positioned on one side of the slide bar 53 far away from the electromagnet 54, a first spring 57 is arranged between the lug 56 and the slide bar 53, and two ends of the first spring 57 are respectively connected with the lug 56 and the slide bar 53. After the rack 52 and the slide bar 53 horizontally slide, the structure of the first spring 57 is stretched, and after the electromagnet 54 is powered off, the slide bar 53 and the rack 52 are reset under the action of the first spring 57, so that the elbow 4 is driven to rotate reversely.

Referring to fig. 2 and 3, the adjusting device is used for controlling the electromagnet 54 to open and close, and controls the rotation of the elbow 4. The adjusting means includes a support plate 62 rotatably installed in the connection pipe 21, the support plate 62 being disposed obliquely with a rotation center line in a horizontal direction. A sleeve 61 communicated with the inside of the connecting pipe 21 is arranged on one side of the connecting pipe 21, the sleeve 61 is horizontally arranged, and a first contact 65 is arranged at one end, far away from the connecting pipe 21, in the sleeve 61. The rubber block 64 is slidably mounted in the sleeve 61, and the edge of the rubber block 64 abuts against the inner wall of the sleeve 61. A second contact 66 matched with the first contact 65 is arranged on one side, close to the first contact 65, of the rubber block 64, and the electromagnet 54 is electrically connected with the first contact 65 and the second contact 66 through conducting wires; a connecting rod 63 is arranged between the connecting plate 51 and the rubber block 64, and two ends of the connecting rod 63 are respectively hinged with the supporting plate 62 and the rubber block 64. When the water flow is large, the rainwater can wash the supporting plate 62, the supporting plate 62 rotates, the supporting plate 62 acts on the rubber block 64 through the structure of the connecting rod 63, the rubber block 64 drives the contact II 66 to approach to the contact I65, the circuit of the electromagnet 54 is conducted after the contact I65 and the contact II 66 are contacted, the armature 55 can be attracted through the structure of the electromagnet 54, and the adjustment of the drainage direction of the elbow pipe 4 can be realized according to the size of the rainwater amount through the structure of the adjusting device.

One end, far away from the connecting pipe 21, of the sleeve 61 is closed and connected with a baffle, the first contact 65 is located on the baffle, a second spring 67 is arranged in the sleeve 61, and two ends of the second spring 67 are respectively connected with the rubber block 64 and the baffle. The structure of the baffle is added, the first contact 65 is installed by using the structure of the baffle, the second spring 67 is installed between the rubber block 64 and the baffle, and when the pressure of water flow above the supporting plate 62 is reduced, the rubber block 64 and the supporting plate 62 are reset under the action of the second spring 67.

The valve component 7 comprises a horizontal plate 71 formed inside the second drain pipe 3 and a connecting block 72 formed on one side of the second drain pipe 3, a through hole is formed in the middle of the horizontal plate 71, a movable groove communicated with the second drain pipe 3 is formed inside the connecting block 72, and the movable groove is horizontally arranged and movably provided with a movable block 73 inside. The end of the movable block 73 extends into the second drain pipe 3 and abuts against the horizontal plate 71, a spring groove 74 is formed in the movable block 73, a spring block 75 is movably mounted in the spring groove 74, a spring third 76 is mounted in the spring block 75 along the spring groove 74 in a horizontal sliding mode, two ends of the spring third 76 are respectively connected with the end of the spring block 75 and the bottom of the spring groove 74, the spring third 76 acts on the spring block 75 to enable the end of the spring block 75 to extend to the outside of the spring groove 74, and a clamping groove 77 matched with the end of the spring block 75 is formed in the side face of the movable groove. The end of the spring block 75 is provided with an inclined slope, and the inclined direction of the inclined slope is inclined from the center of the movable block 73 to the side surface in the direction away from the second water discharge pipe 3.

The end part of the movable block 73 is connected with a pull rope 8, and the pull rope 8 passes through the second water discharge pipe 3 and is connected with the rack 52. The movable block 73 has a structure of a return spring and a spring block 75 mounted therein. The side face of the second drain pipe 3 is provided with a wire leaking hole for the pull rope 8 to pass through, the inner wall of the wire leaking hole is fixed with a rubber ring, and the pull rope 8 penetrates through the rubber ring and extends to the outside of the second drain pipe 3. Make return bend 4 drive movable block 73 carry out the horizontal migration through the structure of stay cord 8, spring block 75 cooperates with draw-in groove 77 gradually, realized the location to movable block 73, movable block 73 bottom shelters from the through-hole, it flows to have restricted the rivers in drain pipe two 3, the effect of valve has been played, and it moves to be that drive arrangement 5 drives movable block 73, the rainfall is great this moment, it waters to planting groove 15 to have restricted drain pipe 2 and drain pipe two 3 simultaneously, the dead possibility of plant waterlogging has been reduced. After the locking groove 77 is locked with the spring block 75, the reverse movement of the movable block 73 cannot be automatically performed, the valve assembly 7 is in a closed state, and when irrigation needs to be performed through the water tank 31, the valve assembly 7 is manually opened.

In order to facilitate the manual opening of valve member 7, the shaping of connecting block 72 side has the link, the link is including connecting vertical board 78 on connecting block 72 and connecting the transverse plate 79 between vertical board 78 tip, movable mounting has movable rod 9 on the transverse plate 79, the 9 tip of movable rod is along to the draw-in groove 77 in, the outside cover of movable rod 9 is equipped with four 91 of springs, the one end that movable rod 9 kept away from movable block 73 is provided with the separation blade, separation blade and transverse plate 79 are connected respectively at four 91 both ends of spring. The movable rod 9 can be used in the spring block 75 to make the spring block 75 move to the movable block 73 when moving towards the inside of the clamping groove 77, the spring block 75 no longer cooperates with the clamping groove 77, the movable block 73 can move towards the direction away from the drain pipe two 3, the bottom of the movable block 73 no longer shields a through hole on the horizontal plate 71, and the drain pipe two 3 can be normally used for draining.

The implementation principle of the embodiment is as follows: the structure of two drainage units is used, water flow on the roof parapet 11 can be collected and sent into the drainage pipe I2 through the drainage groove 12, the water flow is divided in the drainage pipe I2, one part of the water flow flows into the water tank 31, one part of the water flow flows into the elbow 4 and is discharged, and the elbow 4 sends the water flow into the irrigation canal 14 for irrigation of the planting groove 15. The bent pipe 4 can be driven to rotate by using the driving device 5 on the drain pipe I2, so that the reversing of the bent pipe 4 is realized, the bent pipe 4 sends the discharged water flow into the drainage ditch 13 to be discharged, and the drainage pipe excessively irrigates the planting groove 15; the second drainage pipe 3 is connected with the water tank 31, and water in the water tank 31 can be used for irrigation through the second drainage pipe 3 when rainwater is less.

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

Claims

1. The utility model provides a housing construction drainage system, includes vertical wall body (1), is located parapet (11) at wall body (1) top and sets up drain tank (12) on parapet (11), its characterized in that: a first drainage unit and a second drainage unit are arranged below the drainage groove (12), the first drainage unit comprises a first drainage pipe (2) which is arranged at the bottom of the parapet wall (11) and communicated with the drainage groove (12) and a bent pipe (4) connected to the bottom of the first drainage pipe (2), the bent pipe (4) is L-shaped, the second drainage unit comprises a water tank (31) and a second drainage pipe (3) at the bottom of the water tank (31), the top of the water tank (31) is communicated with the first drainage pipe (2) through a pipeline, and a valve assembly (7) is arranged on the second drainage pipe (3); the top of the bent pipe (4) is sleeved outside the first drain pipe (2) and is rotatably connected with the first drain pipe (2), and an irrigation channel (14) and a drainage channel (13) which are vertical to each other are arranged below the bent pipe; a planting groove (15) is formed in one side of the wall body (1), and the irrigation channel (14) is communicated with the planting groove (15); a driving device (5) for driving the bent pipe to rotate is arranged on the first drainage pipe (2), and an adjusting device for controlling the driving device (5) to open and close is arranged in the first drainage pipe (2); the bottom of the first drainage pipe (2) is provided with a connecting pipe (21), the adjusting device is arranged in the connecting pipe (21), and the top of the connecting pipe (21) and the bottom of the first drainage pipe (2) are both provided with a flange (22) and are connected through the flange (22); the bottom of the connecting pipe (21) is provided with an annular bulge, the top of the elbow is rotationally connected with the connecting pipe (21) through the annular bulge, and the rotation center is the axis of the connecting pipe (21); the driving device (5) comprises a connecting plate (51) arranged on the connecting pipe (21) and a rack (52) connected with the connecting plate (51) in a sliding manner, and meshing teeth meshed with the rack (52) are arranged on the periphery of the elbow; an electromagnet (54) is arranged on the connecting pipe (21), and an armature (55) matched with the electromagnet (54) is arranged at the top of the rack (52); the rack (52) is positioned below the connecting plate (51), the top of the rack (52) is provided with a sliding strip (53), the bottom of the connecting plate (51) is horizontally provided with a dovetail groove matched with the sliding strip (53) along the length direction of the connecting plate, and the rack (52) horizontally slides along the length direction of the connecting plate (51); a convex block (56) is arranged at the bottom of the connecting plate (51), the convex block (56) is positioned on one side of the slide bar (53) far away from the electromagnet (54), a first spring (57) is arranged between the convex block (56) and the slide bar (53), and two ends of the first spring (57) are respectively connected with the convex block (56) and the slide bar (53); the adjusting device comprises a supporting plate (62) rotatably arranged in the connecting pipe (21), wherein the supporting plate (62) is obliquely arranged, and the rotating center line is in the horizontal direction; a sleeve (61) communicated with the inside of the connecting pipe (21) is arranged on one side of the connecting pipe (21), the sleeve (61) is horizontally arranged, and a first contact (65) is arranged at one end, far away from the connecting pipe (21), of the inside of the sleeve (61); a rubber block (64) is slidably mounted in the sleeve (61), a second contact (66) matched with the first contact (65) is arranged on one side, close to the first contact (65), of the rubber block (64), and the electromagnet (54) is electrically connected with the first contact (65) and the second contact (66) through wires; a connecting rod (63) is arranged between the supporting plate (62) and the rubber block (64), and two ends of the connecting rod (63) are respectively hinged with the supporting plate (62) and the rubber block (64).

2. The housing construction drainage system of claim 1, wherein: one end, far away from the connecting pipe (21), of the sleeve (61) is closed and connected with a baffle, the first contact (65) is located on the baffle, a second spring (67) is arranged in the sleeve (61), and two ends of the second spring (67) are respectively connected with the rubber block (64) and the baffle.

3. The housing construction drainage system of claim 1, wherein: the valve component (7) comprises a horizontal plate (71) formed inside the second drain pipe (3) and a connecting block (72) formed on one side of the second drain pipe (3), a through hole is formed in the middle of the horizontal plate (71), a movable groove communicated with the second drain pipe (3) is formed inside the connecting block (72), the movable groove is horizontally arranged and movably provided with a movable block (73), the end part of the movable block (73) extends into the second drain pipe (3) and is abutted against the horizontal plate (71), a spring groove (74) is formed in the movable block (73), a spring block (75) is movably arranged in the spring groove (74), a third spring (76) is arranged in the spring block (75) along the horizontal sliding spring groove (74) of the spring groove (74), the two ends of the third spring (76) are respectively connected with the end part of the spring block (75) and the groove bottom of the spring groove (74), the third spring (76) acts on the spring block (75) to enable the end part of the spring block (75) to extend to the outside, a clamping groove (77) matched with the end part of the spring block (75) is formed in the side surface of the movable groove; an inclined slope is arranged at the end part of the spring block (75), and the inclined direction of the slope is inclined from the center of the movable block (73) to the two sides to the direction far away from the second drain pipe (3); the end part of the movable block (73) is connected with a pull rope (8), and the pull rope (8) penetrates through the second water drainage pipe (3) to be connected with the rack (52).

4. A housing construction drainage system according to claim 3, wherein: connecting block (72) both sides shaping has the link, the link is including connecting vertical board (78) on connecting block (72) and connecting horizontal board (79) between vertical board (78) tip, movable mounting has movable rod (9) on horizontal board (79), movable rod (9) tip extends to in draw-in groove (77), the outside cover of movable rod (9) is equipped with four (91) of spring, the one end that movable rod (73) were kept away from in movable rod (9) is provided with the separation blade, separation blade and horizontal board (79) are connected respectively at four (91) both ends of spring.

5. A housing construction drainage system according to claim 3, wherein: the side surface of the second drain pipe (3) is provided with a leakage hole for the stay cord (8) to pass through, the inner wall of the leakage hole is provided with a rubber ring, and the stay cord (8) penetrates through the rubber ring and extends to the outside of the second drain pipe (3).