CN114059789B

CN114059789B - Building drainage system

Info

Publication number: CN114059789B
Application number: CN202111236358.0A
Authority: CN
Inventors: 吴国文
Original assignee: Changguang Engineering Construction Co ltd
Current assignee: Changguang Engineering Construction Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-11-18
Anticipated expiration: 2041-10-22
Also published as: CN114059789A

Abstract

The application discloses building drainage system relates to the architectural equipment field, including fixing the mounting box in the wall both sides and being vertical setting, install in the mounting box and be the level setting and be used for wiping the scraper blade of the drop on the wall, two mounting boxes are connected to the scraper blade, be provided with the drive arrangement of drive scraper blade motion in vertical direction in the mounting box. This application has the effect of being convenient for clear up the drop of water on the wall.

Description

Building drainage system

Technical Field

The invention relates to the field of drainage systems, in particular to a building drainage system.

Background

The phenomenon that the temperature begins to warm up and the humidity rises violently in spring every year is called the southeast of China as a weather phenomenon in southern regions of China. The south of China belongs to a typical subtropical monsoon climate, so that when 3 to 4 months are spent each year, warm and humid air flow blown from the south of China meets cold air from the south of Siberian to form a quasi-static front in the south, so that the weather in the south is indefinite and extremely humid, and the phenomenon of raining or fogging exists in the south and the south comes back to the south. In the south-returning day, some cold object surfaces encounter warm and humid air flow, and then condensation and water drops begin to form on the object surfaces, and particularly on the tiled wall surfaces, a large amount of water drops are generated.

In the related art, in order to remove the water drops on the wall, a worker usually takes a scraper or a rag to clean the wall, and then collects the cleaned water for watering flowers or directly pours the water at a designated position.

In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, and because the wall has a certain height, in order to clean water drops above the wall, workers need to take a ladder to operate, so that the working efficiency is low, the labor intensity is high, and great potential safety hazards exist.

Disclosure of Invention

In order to improve the efficiency of clearing up the drop of water on the wall, this application provides a building drainage system.

The application provides a building drainage system adopts following technical scheme:

the utility model provides a building drainage system, is including fixing the mounting box that just is vertical setting in the wall both sides, install in the mounting box and be the level setting and be used for wiping the scraper blade of the drop of water on the wall, two mounting boxes are connected to the scraper blade, be provided with the drive arrangement of drive scraper blade motion in vertical direction in the mounting box.

Through adopting above-mentioned technical scheme, when having the drop of water on the wall, the staff can act on drive arrangement, makes drive arrangement drive the scraper blade and moves in vertical direction, and the scraper blade is used for clearing up the drop of water on the wall at the in-process of upward movement, reduces the moist possibility of wall.

Optionally, the driving device comprises two driving flywheels rotatably connected in the mounting box, chains connected with the two driving flywheels on the same mounting box are arranged on the driving flywheels, a driving motor for driving the driving flywheels to rotate is fixed in the mounting box, connecting shafts are fixed at two ends of the scraper, and the connecting shafts are fixed on the corresponding chains.

By adopting the technical scheme, the driving motor is started to drive the driving flywheels to rotate, the two driving flywheels connected in the same mounting box drive the scraper to move in the vertical direction under the action of the chain, and the scraper is used for cleaning water drops on the wall in the upward movement process.

Optionally, the scraper blade is made by the rubber slab, including a plurality of head and the tail concatenation form scrape the flitch and connect the connecting block on scraping the flitch, wear to be equipped with the connecting pipe that is the level setting on the connecting block, the both ends at the connecting pipe are fixed to the connecting axle, cup jointed a plurality of torsional springs that correspond with scraping the flitch on the connecting pipe, torsional spring one end is fixed on the connecting pipe, and the flitch upwards rotates and makes and scrape the flitch butt on the wall is scraped in the other end pulling.

Through adopting above-mentioned technical scheme, the scraper blade is formed by the rubber slab preparation, turn into the rigid contact of scraper blade and wall into the elastic contact with the wall, reduce the harm to the wall, the scraper blade is formed by a plurality of flitch end to end concatenations of scraping, and under the effect of torsional spring, the scraper blade butt all the time on the wall, the scraper blade is at the in-process of upward movement, when scraping the flitch and meetting the barrier, it can rotate in vertical direction to scrape the flitch, thereby make the scraper blade can continue upward movement, reduce because of the barrier existence and lead to the unable possibility that rises of scraper blade.

Optionally, the driving flywheel axes are parallel to each other and parallel to the wall, the scraper plate upward movement process includes connecting the connecting shaft to a chain close to one side of the wall and enabling the scraper plate to abut against the wall, a limiting rod horizontally arranged and connected with the two chains is fixed to the chain, and the limiting rod abuts against the side walls of the scraper plates and prevents the scraper plates from rotating under the action of a torsion spring after being separated from the wall.

Through adopting above-mentioned technical scheme, the drive flywheel axis is on a parallel with the wall, in-process when scraper blade upward movement, the scraper blade butt is on the wall, in-process when scraper blade downward movement, the scraper blade separates with the wall, prevent the scraper blade downward movement in-process, because of there being the barrier to exist on the wall, lead to the scraper blade to damage, the gag lever post butt is in a plurality of scraping the flitches, when scraping the flitch and breaking away from the wall face, prevent scraping flitch free rotation under the effect of gag lever post, make and scrape the flitch and keep certain positional relationship, when the scraper blade of being convenient for next upward movement, continue to scrape and clean the drop of water on the wall.

Optionally, the scraping plate is provided with an arc-shaped liquid inlet groove, the liquid inlet groove extends downwards to the inside of the scraping plate, the liquid inlet groove penetrates through the scraping plate along the axial direction of the connecting pipe, the liquid inlet grooves on the scraping plate are communicated with each other, the scraping plate is provided with a connecting groove, the connecting pipe is provided with a through hole communicated with the connecting groove and enabling water to enter the connecting pipe, one end of the connecting pipe is sealed, and the other end of the connecting pipe is connected with a liquid discharge pipe which inclines downwards and enables water to be discharged out of the connecting pipe.

Through adopting above-mentioned technical scheme, inside the bead enters into the flitch of scraping from the feed liquor groove, in the connecting groove, through-hole entering connecting tube are flowed through to discharge from the fluid-discharge tube port, the setting up of connecting tube and fluid-discharge tube reduces the possibility that the bead gathers on scraping the flitch, the bead of being convenient for in time discharges.

Optionally, the connecting pipe is including fixing the fixed pipe in the link and connecting the live tube of two adjacent fixed pipes, the end cover has been cup jointed at fixed pipe both ends, fixed pipe both ends are fixed with the spacing ring that prevents the end cover and break away from fixed pipe, the live tube outer wall is fixed with the go-between that corresponds with both ends lid, end cover threaded connection is in on the go-between, the live tube outer wall has cup jointed the butt in the seal cover of fixed inside pipe wall and play sealing effect, the through-hole is seted up on the fixed pipe, the torsional spring cup joints and one end is fixed on the live tube, the fluid-discharge tube is fixed on one of them fixed pipe that is located the tip.

Through adopting above-mentioned technical scheme, fixed pipe rotates with the rotating tube to be connected, makes the flitch of scraping that connects on fixed pipe rotate relatively the rotating tube in vertical direction to make the flitch of scraping that connects on fixed pipe rotate in vertical direction, when scraping the flitch and meetting the barrier, scrape the flitch and can rotate in vertical direction, reduce and scrape the possibility of flitch damage.

Optionally, a cavity for collecting water is formed in the scraping plate, the cavity is communicated with the liquid inlet groove and the connecting groove, the inner wall of the cavity is provided with a connecting groove, and when the scraping plate moves downwards away from the wall body, water in the cavity flows into the liquid guide groove in the connecting groove.

Through adopting above-mentioned technical scheme, scrape the flitch and move along with the chain, when scraping flitch downstream in-process, scrape the flitch and break away from the wall, scrape the flitch and rotated 180 for the in-process of upward movement, the drop of water flows in the cavity to in the process of leading the cistern enters into the spread groove, in the rethread feed chute enters into the connecting pipe, discharge from the fluid-discharge tube of connecting pipe tip.

Optionally, the mounting box inner wall is seted up and is vertical setting and plays the fluid-discharge tank of guide effect to the discharged water in the fluid-discharge tube, is connected with the registration arm coaxial with the fluid-discharge tube on the fixed pipe that is connected with the fluid-discharge tube, it is provided with the slip pipe to slide in the registration arm, the registration arm internal fixation has the outside motion of promotion slip pipe and when scraping the flitch downstream, and the slip pipe stretches into the expanding spring in the fluid-discharge tank, the inner wall that fixed pipe was kept away from to the registration arm is fixed with the retaining ring, the slip pipe is worn to establish in the retaining ring, the slip pipe outer wall is fixed with the bulge loop that prevents the slip pipe and breaks away from the registration arm.

Through adopting above-mentioned technical scheme, scrape the in-process of flitch upward movement, the sliding tube tip butt deviates from the inner wall of wall body in the mounting box, and the in-process of 180 backs and downstream is rotated when scraping the flitch, scrapes the flitch and breaks away from the wall, makes the sliding tube stretch into the flowing back inslot under expanding spring's effect, makes the liquid that remains in cavity and connecting tube discharge from sliding tube mouth department.

Optionally, the mounting box is parallel to the inner walls of the two sides of the wall body and is provided with guide grooves along the height direction, and the connecting shaft is rotatably connected with guide wheels which are located in the corresponding guide grooves and roll.

Through adopting above-mentioned technical scheme, when scraping the in-process of flitch upward movement, the leading wheel rolls in the guide way that is close to the wall body, and when scraping the in-process of flitch downward movement, the leading wheel rolls in the guide way of keeping away from the wall body, plays certain limiting displacement to scraping the flitch, prevents to lead to the damage of chain because of scraping the flitch along connecting pipe axial motion.

Optionally, the bottom of the wall surface is fixed with a fixing box with an opening at the upper end and used for containing the scraper, and the fixing box is connected with the two mounting boxes.

Through adopting above-mentioned technical scheme, the setting of mounting box is used for accomodating the scraper blade, can be used to simultaneously collect the drop of water on the wall, reduces the drop of water and permeates ground and lead to ground humidity.

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

1. the driving motor drives the driving flywheel to rotate, the driving flywheel drives the chain to move, so that the scraper connected to the chain moves in the vertical direction, and water drops on the wall are scraped in the upward movement process of the scraper;

2. the scraper blade is formed by the concatenation of a plurality of rotatable flitchs of scraping, and when the in-process of scraper blade upward movement, when meetting the barrier, the flitch of scraping can rotate in vertical direction, reduces the possibility of scraping the flitch damage.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of a connecting structure of the scraper plate and the connecting pipe.

FIG. 3 is a schematic view of the connection structure of the sliding pipe and the fixed pipe on the connecting pipe.

Description of reference numerals:

1. mounting a box; 2. a squeegee; 3. driving a flywheel; 4. a drive motor; 5. a chain; 6. a scraping plate; 7. connecting blocks; 8. a connecting pipe; 9. a connecting shaft; 10. a torsion spring; 11. a limiting rod; 12. a liquid inlet tank; 13. connecting grooves; 14. a through hole; 15. a liquid discharge pipe; 16. rotating the tube; 17. an end cap; 18. a limiting ring; 19. a fixed tube; 20. sealing sleeves; 21. a connecting ring; 22. a cavity; 23. a liquid guide groove; 24. a liquid discharge tank; 25. a positioning tube; 26. a sliding tube; 27. a tension spring; 28. a baffle ring; 29. a fixing box; 30. a guide groove; 31. a guide wheel; 32. the grid blocks are raised; 33. a convex ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a building drainage system. Referring to fig. 1, including bonding the mounting box 1 in the wall both sides, mounting box 1 is vertical setting and the relative lateral wall of mounting box 1 is the opening setting, and the bottom of wall bonds has fixed box 29, and fixed box 29 connects two mounting boxes 1 and fixed box 29 up end and personally submits the opening setting for collect the drop of water that slides down from the wall. The mounting box 1 is provided with a scraper 2 for connecting the two mounting boxes 1, and the scraper 2 is horizontally arranged and can be accommodated in the fixed box 29.

Referring to fig. 1 and 2, a driving device for driving the squeegee 2 to move in the vertical direction is provided in the mounting box 1. The driving device comprises two driving flywheels 3 which are rotatably connected in a mounting box 1 through a rotating shaft, the two driving flywheels 3 in the same mounting box 1 are positioned on the upper side and the lower side of a wall, the axes of the driving flywheels 3 are parallel to each other and parallel to the wall, a chain 5 for connecting the two driving flywheels 3 is arranged on each driving flywheel 3, a driving motor 4 is fixed in one mounting box 1 through a bolt, and an output shaft of each driving motor 4 is welded on the rotating shaft of one driving flywheel 3. The two ends of the scraper 2 are connected with connecting shafts 9, and the connecting shafts 9 are horizontally arranged and welded on the corresponding chains 5.

The driving motor 4 drives the driving flywheel 3 to rotate, the driving flywheel 3 drives the chain 5 to move, the connecting shaft 9 connected to the chain 5 drives the scraper 2 to move in the vertical direction, when the scraper 2 moves upwards, the scraper 2 abuts against the wall and scrapes water drops on the scraper 2, the driving motor 4 drives the driving flywheel 3 and the chain 5 to continue to rotate, when the scraper 2 moves to the top, the scraper 2 rotates around the driving flywheel 3 positioned above, the scraper 2 is separated from the wall, and the chain 5 continues to drive the scraper 2 to move downwards; when the scraper 2 moves to the lowest part, the scraper 2 rotates around the driving flywheel 3 positioned below, the scraper 2 abuts against the wall surface again, and the scraper 2 continues to clean water drops on the wall surface in the upward movement process.

Referring to fig. 1 and 2, the scraper blade 2 is made by elastic rubber plate, and the scraper blade 2 includes that a plurality of scraping flitchs 6 that the concatenation of end to end formed and integrated into one piece are in the connecting block 7 on corresponding scraping flitch 6, and when scraper blade 2 upward movement, connecting block 7 is located and scrapes the lateral wall that flitch 6 deviates from the wall body. Be provided with the connecting pipe 8 of connecting a plurality of connecting blocks 7 on the connecting block 7, connecting pipe 8 is the level setting and wears to establish a plurality of connecting blocks 7, and the welding of 9 both ends of connecting axle is at the tip of the connecting pipe 8 that corresponds, and 8 one ends of connecting pipe are the seal setting, and 8 other ends integrated into one piece of connecting pipe have the fluid-discharge tube 15 of perpendicular to connecting pipe 8.

Referring to fig. 1 and 2, scrape and seted up curved feed liquor groove 12 on the flitch 6, feed liquor groove 12 is recessed setting and extends to scraping inside flitch 6, feed liquor groove 12 runs through along 8 axial of connecting pipe and scrapes the relative lateral wall of flitch 6, feed liquor groove 12 on a plurality of flitches 6 communicates each other, in-process when scraping flitch 6 upward movement, scrape flitch 6 and act on the wall, make the drop of water enter into feed liquor groove 12 inside along feed liquor groove 12, it has check fender arch 32 to scrape integrated into one piece on the flitch 6 outer wall, check fender arch 32 extends along 8 axial of connecting pipe, in-process when scraping flitch 6 upward movement, check fender arch 32 is located one side that feed liquor groove 12 open position deviates from the wall, protruding 32 end to end butt of a plurality of check fender, make the drop of water that breaks away from the wall can enter into in feed liquor groove 12 smoothly, prevent that the drop of water from flowing through and scraping flitch 6 upper surface and flow direction ground. The connecting pipe 8 is provided with a through hole 14 penetrating through the side wall of the connecting pipe 8, the scraper 6 is provided with a connecting groove 13 communicating the through hole 14 with the liquid inlet groove 12, and water drops flow into the connecting pipe 8 through the liquid inlet groove 12, the connecting groove 13 and the through hole 14 and are discharged from a liquid discharge pipe 15 at the end part.

Referring to fig. 1 and 2, the connection pipe 8 includes a fixed pipe 19 horizontally penetrating through the connection block 7, the connection block 7 is adhered to the corresponding fixed pipe 19, the through hole 14 is opened on the fixed pipe 19, the connection pipe 8 further includes a rotating pipe 16 connecting the adjacent fixed pipes 19, end caps 17 are sleeved at two ends of the fixed pipe 19, the end caps 17 can rotate relative to the fixed pipe 19 around the axis of the fixed pipe 19, limit rings 18 preventing the end caps 17 from separating from the fixed pipe 19 are integrally formed on outer walls at two ends of the fixed pipe 19, two connecting rings 21 are integrally formed on outer walls of the rotating pipe 16, two ends of the rotating pipe 16 penetrate through the corresponding fixed pipes 19, a sealing sleeve 20 is sleeved on the outer wall of the rotating pipe 16, an inner wall of the sealing sleeve 20 abuts against an outer wall of the rotating pipe 16, an outer wall of the sealing sleeve 20 abuts against an inner wall of the fixed pipe 19 and plays a certain sealing role, the end caps 17 are screwed on the outer wall of the connecting rings 21, thereby realizing the rotational connection of the fixed pipe 19 and the connection pipe 8, and the connection pipe 19 located at the end is connected to the corresponding connecting ring 9.

Referring to fig. 1 and 2, the torsion spring 10 is sleeved on the same rotating pipe 16, the torsion spring 10 is located between two connecting rings 21, the torsion spring 10 is welded on the rotating pipe 16, the other end of the torsion spring 10 is connected to the scraping plate 6, and when the scraping plate 6 moves upwards, the torsion spring 10 pulls the scraping plate 6 to abut against the wall. The last welding of chain 5 has the gag lever post 11 of connecting two chains 5, gag lever post 11 is on a parallel with connecting pipe 8 and butt in scraping flitch 6, when scraping flitch 6 upward movement, under the effect of torsional spring 10, scrape flitch 6 butt in the wall, gag lever post 11 is located the top of scraping flitch 6, and the butt is at scraping flitch 6 upper surface, when scraping flitch 6 downstream in-process, the setting of gag lever post 11 prevents a plurality of scraping flitchs 6 free rotations, make a plurality of scraping flitchs 6 keep unanimous, when scraping flitch 6 upward movement's in-process once more, be convenient for scrape flitch 6 butt in the wall again, continue to scrape and clean the wall.

Referring to fig. 2, a cavity 22 which is upward used for collecting rainwater is formed in the scraping plate 6, when the scraping plate 6 moves upward, the cavity 22 arches upward, the bottom wall of the cavity 22 is smoothly connected with the bottom wall connected with the liquid inlet groove 12, the top wall of the cavity 22 is higher than the top wall of the lowest end of the liquid inlet groove 12, the cavity 22 is communicated with the liquid inlet groove 12 and the connecting groove 13, a liquid guide groove 23 is formed in the inner wall of the cavity 22, and the liquid guide groove 23 is communicated with the connecting groove 13. When the scraper 6 changes the moving direction, the water droplets remained in the cavity 22 flow in the liquid guiding groove 23, when the scraper 6 rotates to 180 degrees, the remained water droplets enter the connecting groove 13 along the liquid guiding groove 23 and enter the fixed pipe 19 from the through hole 14, and then flow out from the end part of the liquid discharge pipe 15 after sequentially flowing through the plurality of rotating pipes 16 and the fixed pipe 19.

Referring to fig. 1 and 3, a liquid discharge groove 24 is formed in the inner wall of the mounting box 1 provided with the liquid discharge pipe 15, the liquid discharge groove 24 is vertically arranged and is located on the side wall, connected to the wall, of the mounting box 1, one end of the liquid discharge pipe 15 is connected to the fixing pipe 19, the other end of the liquid discharge pipe 15 extends into the liquid discharge groove 24, and when the scraping plate 6 moves upwards, the liquid discharge pipe 15 is arranged in a downward inclined mode. A positioning pipe 25 coaxial with the liquid discharge pipe 15 is integrally formed on the fixed pipe 19 connected with the liquid discharge pipe 15, the positioning pipe 25 and the liquid discharge pipe 15 are located on two sides of the axis of the fixed pipe 19, a sliding pipe 26 is arranged in the positioning pipe 25 in a sliding mode, an expansion spring 27 is fixed in the positioning pipe 25, one end of the expansion spring 27 is bonded on the inner wall of the positioning pipe 25, and the other end of the expansion spring 27 abuts against the end portion of the sliding pipe 26 and pushes the sliding pipe 26 to move towards the outside of the positioning pipe 25. A baffle ring 28 is bonded on the inner wall of the positioning tube 25 far away from the fixed tube 19, the sliding tube 26 is arranged in the baffle ring 28 in a penetrating mode, a convex ring 33 abutted to the inner wall of the positioning tube 25 is integrally formed on the outer wall of the sliding tube 26 close to the fixed tube 19, the outer diameter of the convex ring 33 is larger than the inner diameter of the baffle ring 28, and the sliding tube 26 is prevented from being separated from the positioning tube 25. When the scraper 6 moves downwards, the end of the sliding pipe 26 is positioned in the liquid discharging groove 24 under the action of the extension spring 27, and the residual liquid is discharged from the end of the sliding pipe 26.

Referring to fig. 1 and 2, guide grooves 30 are formed in the inner walls of two sides of the mounting box 1, which are parallel to the wall, along the height direction, guide wheels 31 are rotatably connected to the outer wall of the connecting shaft 9, when the scraping plate 6 moves upwards, the guide wheels 31 roll in the guide grooves 30 close to the wall, when the scraping plate 6 moves downwards, the guide wheels 31 roll in the guide grooves 30 far away from the wall, and the guide grooves 30 are arranged to reduce the possibility that the chain 5 is damaged due to the movement of the scraping plate 2 along the length direction.

The implementation principle of the building drainage system in the embodiment of the application is as follows: the driving motor 4 is started to drive the driving flywheel 3 to rotate, the chain 5 drives the scraping plate 6 connected to the chain 5 to move in the vertical direction, the scraping plate 6 abuts against the wall in the upward movement process of the scraping plate 6, water drops on the wall enter the scraping plate 6 along the liquid inlet groove 12, and enter the connecting pipe 8 along the connecting groove 13 and the through hole 14, and are discharged from the liquid discharge pipe 15 at the end part of the connecting pipe 8.

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

Claims

1. A building drainage system characterized by: the wall wiper comprises mounting boxes (1) which are fixed on two sides of a wall and are arranged vertically, scrapers (2) which are arranged horizontally and used for wiping water drops on the wall are mounted in the mounting boxes (1), the scrapers (2) are connected with the two mounting boxes (1), and a driving device for driving the scrapers (2) to move in the vertical direction is arranged in the mounting boxes (1); the driving device comprises two driving flywheels (3) which are rotatably connected in a mounting box (1), chains (5) which are connected with the two driving flywheels (3) on the same mounting box (1) are arranged on the driving flywheels (3), a driving motor (4) which enables the driving flywheels (3) to rotate is fixed in the mounting box (1), connecting shafts (9) are fixed at two ends of the scraper (2), and the connecting shafts (9) are fixed on the corresponding chains (5); scraper blade (2) are made by the rubber slab, scrape flitch (6) and connect connecting block (7) on scraping flitch (6) including a plurality of head and the tail concatenations and form, wear to be equipped with connecting pipe (8) that are the level setting on connecting block (7), the both ends in connecting pipe (8) are fixed in connecting axle (9), cup jointed a plurality of torsional spring (10) that correspond with scraping flitch (6) on connecting pipe (8), torsional spring (10) one end is fixed on connecting pipe (8), and flitch (6) upwards rotate and make scraping flitch (6) butt on the wall are scraped in the pulling of torsional spring (10) other end.

2. A building drainage system according to claim 1, wherein: the drive flywheel (3) axis is parallel to each other and is on a parallel with the wall, scrape flitch (6) upward movement's in-process, connecting axle (9) are connected on being close to chain (5) of wall body one side and make and scrape flitch (6) butt on the wall body, be fixed with gag lever post (11) that is the level setting and connect two chains (5) on chain (5), gag lever post (11) butt is in a plurality of flitch (6) lateral walls of scraping and prevent to scrape behind flitch (6) break away from the wall, take place to rotate under the effect of torsional spring (10).

3. A building drainage system according to claim 2, wherein: scrape and seted up curved feed liquor groove (12) on flitch (6), inside feed liquor groove (12) downwardly extending extremely scrapes flitch (6), feed liquor groove (12) are run through along connecting pipe (8) axial and are scraped flitch (6), and are a plurality of scrape feed liquor groove (12) on flitch (6) and communicate each other, scrape and seted up spread groove (13) on flitch (6), set up on connecting pipe (8) and communicate and make water enter into through-hole (14) in connecting pipe (8) with spread groove (13), connecting pipe (8) one end is sealed, and connecting pipe (8) other end is connected with downward sloping and makes water-drainage's fluid-discharge tube (15).

4. A building drainage system according to claim 3, wherein: the connecting pipe (8) comprises fixed pipes (19) fixed in the connecting block (7) and rotating pipes (16) connected with two adjacent fixed pipes (19), end covers (17) are sleeved at two ends of each fixed pipe (19), limiting rings (18) for preventing the end covers (17) from being separated from the fixed pipes (19) are fixed at two ends of each fixed pipe (19), connecting rings (21) corresponding to the end covers (17) are fixed on the outer walls of the rotating pipes (16), the end covers (17) are in threaded connection with the connecting rings (21), sealing sleeves (20) which are abutted against the inner walls of the fixed pipes (19) and have sealing effects are sleeved on the outer walls of the rotating pipes (16), through holes (14) are formed in the fixed pipes (19), torsion springs (10) are sleeved, one ends of the torsion springs are fixed on the rotating pipes (16), and the liquid discharge pipes (15) are fixed on one of the fixed pipes (19) located at the end portions.

5. A building drainage system according to claim 4, wherein: the improved water-collecting scraper is characterized in that a cavity (22) for collecting water is formed in the scraper plate (6), the cavity (22) is communicated with the liquid inlet groove (12) and the connecting groove (13), the inner wall of the cavity (22) is provided with a communicating connecting groove (13), and when the scraper plate (6) is separated from a wall body to move downwards, water in the cavity (22) flows into a liquid guide groove (23) in the connecting groove (13).

6. A building drainage system according to claim 5, wherein: mounting box (1) inner wall is seted up and is vertical setting and plays guide effect's fluid-discharge groove (24) to the discharged water in fluid-discharge tube (15), is connected with on fixed pipe (19) that are connected with fluid-discharge tube (15) and is provided with coaxial registration arm (25) of fluid-discharge tube (15), sliding is provided with slide tube (26) in registration arm (25), registration arm (25) internal fixation has to promote slide tube (26) and outwards moves and works as scraping flitch (6) downstream, telescopic spring (27) that slide tube (26) stretched into fluid-discharge groove (24), the inner wall that fixed pipe (19) were kept away from in registration arm (25) is fixed with fender ring (28), slide tube (26) are worn to establish in fender ring (28), slide tube (26) outer wall is fixed with and prevents that slide tube (26) break away from bulge loop (33) of registration arm (25).

7. A building drainage system according to claim 1, wherein: guide way (30) have been seted up along the direction of height to the both sides inner wall that mounting box (1) is on a parallel with the wall body, it is located rolling leading wheel (31) in corresponding guide way (30) to rotate to be connected with on connecting axle (9).

8. A building drainage system according to claim 1, wherein: the wall bottom is fixed with upper end opening and is used for accomodating fixed box (29) of scraper blade (2), fixed box (29) are connected two install bin (1).