CN212405774U - Building roof quick drainage device - Google Patents

Building roof quick drainage device Download PDF

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Publication number
CN212405774U
CN212405774U CN202022004108.1U CN202022004108U CN212405774U CN 212405774 U CN212405774 U CN 212405774U CN 202022004108 U CN202022004108 U CN 202022004108U CN 212405774 U CN212405774 U CN 212405774U
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CN
China
Prior art keywords
roof
drainage
water tank
storage water
periphery
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Active
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CN202022004108.1U
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Chinese (zh)
Inventor
杜江洪
张锐
钱小峰
王茜雅
钱杰
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Lancheng Leju Construction Management Group Co ltd
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Lancheng Leju Construction Management Group Co ltd
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Priority to CN202022004108.1U priority Critical patent/CN212405774U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/10Photovoltaic [PV]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The utility model relates to a quick drainage device of building roof, including installing the storage water tank in wall body one side, the upper end of wall body is equipped with the roof, the storage water tank is located one side on roof and is located the below on roof, the upper end periphery of storage water tank is equipped with the baffle, the upper end of storage water tank is equipped with first support, the mount pad is installed to first support upper end, the motor is installed to the mount pad upper end, the lower extreme of storage water tank is equipped with drainage funnel, the one end that storage water tank was kept away from to drainage funnel is equipped with the drain pipe, one side that the motor is close to drainage funnel is equipped with the pivot, the periphery of pivot just is located the storage water tank. The utility model discloses rotating by the motor drive pivot, the pivot is rotatory to be driven the mounting disc rotatory, and the mounting disc is rotatory to have realized that the brush is rotatory, and the rotation of brush has realized the clearance to the bottom foreign matter in the storage water tank, has so avoided the interior foreign matter of storage water tank to block up, has guaranteed the smooth and easy nature of drainage, has improved the efficiency of drainage, and the setting of baffle can avoid water to spill over.

Description

Building roof quick drainage device
Technical Field
The utility model relates to a building drainage system's technical field specifically is a quick drainage device of building roof.
Background
Roof drainage is a drainage design for rapidly removing roof rainwater of a building, and the roof drainage mode comprises unorganized drainage and organized drainage, wherein the unorganized drainage refers to a drainage mode of directly dripping the roof rainwater to the ground through a cornice, and is also called as free water falling. The organized drainage is a drainage mode that roof rainwater is organically drained to outdoor ground or an underground pipe ditch through a drainage system, and has the advantages of not interfering with pedestrian traffic and not easily splashing the wall surface, so that the organized drainage is widely applied to building engineering. However, compared with the drainage without structure, the structure is more complex and the cost is relatively high.
In organized drainage system, the water accumulation often leads to the drainage not smooth because foreign matter blocks up in the pipeline, leads to the water in the storage water tank to spill over, easily leads to the wall to intake, has seriously reduced the life of wall body, so need to develop a quick drainage device of building roof to solve the problem among the prior art urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quick drainage device of building roof to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a quick drainage device of building roof, is including installing the storage water tank in wall body one side, the upper end of wall body is equipped with the roof, the storage water tank is located one side on roof and is located the below on roof, the upper end periphery of storage water tank is equipped with the baffle, the upper end of storage water tank is equipped with first support, the mount pad is installed to first support upper end, the motor is installed to the mount pad upper end, the lower extreme of storage water tank is equipped with drainage funnel, drainage funnel keeps away from the one end of storage water tank and is equipped with the drain pipe, one side that the motor is close to drainage funnel is equipped with the pivot, the periphery of pivot just is located the storage water tank and installs the mounting disc, the.
As a further aspect of the present invention: the periphery of pivot is equipped with movable shaft sleeve, the periphery at movable shaft sleeve is fixed to the mounting disc, the periphery of pivot and the top that is located the mounting disc are equipped with fixed axle sleeve, fixed axle sleeve's periphery is equipped with the fifth support, one side that the fifth support is close to the mounting disc is equipped with first piston, one side that first piston is close to the mounting disc is equipped with the piston shaft, one side that the piston shaft is close to the mounting disc is equipped with the second piston, the second piston is fixed on the mounting disc.
As a further aspect of the present invention: and a spring is arranged between the first piston and the second piston and sleeved on the periphery of the piston shaft.
As a further aspect of the present invention: be equipped with the funnel inner chamber in the drainage funnel, be equipped with the drainage chamber in the drain pipe, the pivot is equipped with the collar in the drainage chamber, the periphery of collar is equipped with the first stirring leaf of a plurality of.
As a further aspect of the present invention: the mounting ring is internally provided with a stirring cavity, and the mounting ring is internally provided with a plurality of second stirring blades.
As a further aspect of the present invention: the gap between the first stirring blade and the inner wall of the drainage pipe is m, and m is more than 0cm and less than or equal to 20 cm.
As a further aspect of the present invention: an inclined plate is arranged in the water storage tank.
As a further aspect of the present invention: the roof is internally provided with a second storage battery, the roof surface layer is provided with a heat-conducting plate, a heating resistance wire is arranged in the heat-conducting plate, the heating resistance wire is connected with a plurality of conducting rods, and a conducting wire is connected between the second storage battery and the conducting rods.
As a further aspect of the present invention: the periphery of the heat conducting plate is provided with a heat-resistant sealing plate which is clamped on the roof surface layer.
As a further aspect of the present invention: the roof upper end is equipped with the second support, be equipped with solar cell panel on the second support, solar cell panel's lower extreme is equipped with first battery, first battery is connected with the second battery electricity.
Compared with the prior art, the beneficial effects of the utility model are that:
1. during the use, rotate by motor drive pivot, the rotatory mounting disc that drives of pivot is rotatory, and the mounting disc is rotatory to have realized that the brush is rotatory, and the rotation of brush has realized the clearance to bottom foreign matter in the storage water tank, has so avoided the interior foreign matter of storage water tank to block up, has guaranteed the smooth and easy nature of drainage, has improved the efficiency of drainage, and the setting of baffle can avoid water to spill over.
2. The movable shaft sleeve is in the activity of pivot periphery, and the movable shaft sleeve moves in vertical direction along the pivot, and the removal of movable shaft sleeve has driven the mounting disc and has removed in vertical direction, and the removal of mounting disc has realized that the piston shaft is flexible between first piston and second piston, has realized that the mounting disc has the elasticity in vertical direction for the brush has the elasticity in vertical direction, so can improve the efficiency that the brush cleared up the foreign matter, avoids the foreign matter to block up the storage water tank.
3. Through establishing the spring between first piston and second piston, the spring cup joints in the periphery of piston shaft, so sets up, utilizes the elastic flexibility of spring, realizes that the brush has the elasticity in vertical direction when the clearance storage water tank, so can improve the efficiency that the brush cleared up the foreign matter, avoids the foreign matter to block up the storage water tank.
4. Through establishing drainage inner chamber in drainage funnel, establish drainage chamber in the drain pipe to lay the pivot in the drainage intracavity, the first stirring leaf of a plurality of is established to the periphery of collar, and the setting of first stirring leaf can be realized stirring the clearance to the foreign matter in the drainage intracavity, has guaranteed the smooth and easy nature of drainage intracavity drainage, avoids drainage intracavity foreign matter to block up.
5. Establish the stirring chamber in the collar, the collar is established a plurality of second stirring leaf in the stirring intracavity, and the setting of second stirring leaf can effectively avoid the drainage chamber to block up, has improved the efficiency of drainage.
6. Specifically to this embodiment, m is 10cm, so set up, can avoid the foreign matter to block up in the drainage intracavity, guarantees the smooth and easy nature of drainage, and in addition, when m was greater than 20cm, m too big can lead to the drain pipe volume to be on the large side, is unfavorable for the installation of drain pipe and influences the aesthetic property of wall body.
7. The inclined plate is arranged in the water storage tank, so that water flow can be guided, water accumulation in the water storage tank is avoided, water in the water storage tank is quickly discharged, water accumulation in the water storage tank is avoided, and roof drainage efficiency is improved.
8. By the second battery to the heating resistor silk heating, the heating resistor silk generates heat after the circular telegram and realizes the heat-conducting plate heat supply, and the heat-conducting plate realizes heating the snow on roof top layer to the realization melts fast the snow on roof, so can effectively improve the speed that the snow melts, guarantees the efficiency that the snow was removed on roof.
9. Through establishing heat-resisting closing plate at the periphery of heat-conducting plate, heat-resisting closing plate joint is on the roof top layer, can realize sealed between heat-conducting plate and the roof from this, has avoided heat-conducting plate and roof laminating department infiltration, has guaranteed the security of heat-conducting plate during operation.
10. Utilize solar cell panel to convert solar energy into the electric energy to store the electric energy in first battery, realize the second battery by first battery to the second battery power supply and charge, supply power to the heating resistor silk by the second battery, the heating resistor silk generates heat after the circular telegram and realizes heating the heat-conducting plate, realizes heating the snow on the roof after the heat-conducting plate is heated, can realize melting the snow on the roof fast.
Drawings
FIG. 1 is a schematic structural view of the building roof rapid drainage device of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a cross-sectional view of the water storage tank, the motor, the drainage funnel and the drainage pipe in the building roof rapid drainage device of the utility model;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
fig. 5 is a partially enlarged schematic view of C in fig. 3.
In the figure: 1. a wall body; 2. a roof; 3. a water storage tank; 4. a baffle plate; 5. a second bracket; 6. a solar panel; 7. a first storage battery; 8. a mounting seat; 9. a first bracket; 10. a motor; 11. a drainage funnel; 12. a drain pipe; 13. installing a sleeve; 14. a third support; 15. a heat-resistant sealing plate; 16. a heat conducting plate; 17. heating resistance wires; 18. a conductive rod; 19. a conductive wire; 20. a second storage battery; 21. a rotating shaft; 22. a fourth bracket; 23. a limiting shaft sleeve; 24. a fifth support; 25. fixing the shaft sleeve; 26. a movable shaft sleeve; 27. a funnel cavity; 28. a drainage cavity; 29. mounting a disc; 30. a brush; 31. a mounting ring; 32. a first stirring blade; 33. a second stirring blade; 34. a stirring chamber; 35. a first piston; 36. a piston shaft; 37. a spring; 38. a second piston.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-5, in an embodiment of the present invention, a quick drainage device for building roof, including installing the storage water tank 3 in wall 1 one side, the upper end of wall 1 is equipped with roof 2, storage water tank 3 is located one side of roof 2 and is located the below of roof 2, the upper end periphery of storage water tank 3 is equipped with baffle 4, the upper end of storage water tank 3 is equipped with first support 9, mount pad 8 is installed to first support 9 upper end, motor 10 is installed to 8 upper ends of mount pad, the lower extreme of storage water tank 3 is equipped with drainage funnel 11, the one end that storage water tank 3 was kept away from to drainage funnel 11 is equipped with drain pipe 12, one side that motor 10 is close to drainage funnel 11 is equipped with pivot 21, the periphery of pivot 21 just is located storage water tank 3 and installs mounting disc 29, mounting disc 29 is close. During the use, by the rotation of motor 10 drive pivot 21, pivot 21 is rotatory to drive the mounting disc 29 rotatory, and the mounting disc 29 is rotatory to have realized that brush 30 is rotatory, and the rotation of brush 30 has realized the clearance to bottom foreign matter in the storage water tank 3, has so avoided the interior foreign matter of storage water tank 3 to block up, has guaranteed the smoothness nature of drainage, has improved the efficiency of drainage, and the setting of baffle 4 can avoid water to spill over.
In this embodiment, a movable shaft sleeve 26 is disposed on the outer periphery of the rotating shaft 21, the mounting plate 29 is fixed on the outer periphery of the movable shaft sleeve 26, a fixed shaft sleeve 25 is disposed on the outer periphery of the rotating shaft 21 and above the mounting plate 29, a fifth bracket 24 is disposed on the outer periphery of the fixed shaft sleeve 25, a first piston 35 is disposed on one side of the fifth bracket 24 close to the mounting plate 29, a piston shaft 36 is disposed on one side of the first piston 35 close to the mounting plate 29, a second piston 38 is disposed on one side of the piston shaft 36 close to the mounting plate 29, and the second piston 38 is fixed on the mounting plate 29. Activity axle sleeve 26 is in the activity of pivot 21 periphery, activity axle sleeve 26 moves in vertical direction along pivot 21, activity axle sleeve 26's removal has driven mounting disc 29 and has removed in vertical direction, mounting disc 29's removal has realized that piston shaft 36 is flexible between first piston 35 and second piston 38, it has the elasticity to have realized mounting disc 29 in vertical direction, make brush 30 have the elasticity in vertical direction, so can improve the efficiency that brush 30 cleared up the foreign matter, avoid the foreign matter to block up storage water tank 3.
In the present embodiment, a spring 37 is provided between the first piston 35 and the second piston 38, and the spring 37 is fitted around the outer periphery of the piston shaft 36. Through establishing spring 37 between first piston 35 and second piston 38, spring 37 cup joints the periphery at piston shaft 36, so sets up, utilizes spring 37's elasticity, realizes that brush 30 when clearance storage water tank 3, and brush 30 has the elasticity in vertical direction, so can improve the efficiency of brush 30 clearance foreign matter, avoids the foreign matter to block up storage water tank 3.
In this embodiment, a funnel inner cavity is provided in the drain funnel 11, a drain cavity 28 is provided in the drain pipe 12, a mounting ring 31 is provided in the drain cavity 28 on the rotating shaft 21, and a plurality of first stirring blades 32 are provided on the periphery of the mounting ring 31. Through establishing the drainage inner chamber in drainage funnel 11, establish drainage chamber 28 in drain pipe 12 to lay pivot 21 in drainage chamber 28, the first stirring leaf 32 of a plurality of is established to the periphery of collar 31, and the foreign matter in drainage chamber 28 can be realized stirring the clearance to setting up of first stirring leaf 32, has guaranteed the smooth and easy nature of drainage in drainage chamber 28, avoids drainage chamber 28 interior foreign matter to block up.
In this embodiment, a stirring cavity 34 is formed in the mounting ring 31, and a plurality of second stirring blades 33 are formed in the stirring cavity 34 of the mounting ring 31. Establish stirring chamber 34 in the collar 31, a plurality of second stirring leaf 33 is established in stirring chamber 34 to collar 31, and the setting of second stirring leaf 33 can effectively avoid water drainage cavity 28 to block up, has improved the efficiency of drainage.
In the embodiment, the gap between the first stirring blade 32 and the inner wall of the water discharging pipe 12 is m, and m is more than 0cm and less than or equal to 20 cm. Specifically to this embodiment, m is 10cm, so set up, can avoid the foreign matter to block up in drainage chamber 28, guarantees the smoothness nature of drainage, in addition, when m was greater than 20cm, m too big can lead to the drain pipe 12 volume to be bigger than normal, is unfavorable for the installation of drain pipe 12 and influences the aesthetic property of wall body 1.
In this embodiment, a sloping plate is provided in the water tank 3. Through establishing the swash plate in storage water tank 3, the direction to rivers can be realized to the setting of swash plate, avoids water to accumulate in storage water tank 3, has realized the quick elimination of storage water tank 3 internal water, avoids the accumulation of storage water tank 3 internal water, improves the efficiency of roof 2 drainage.
In this embodiment, a second storage battery 20 is disposed in the roof 2, a heat conducting plate 16 is disposed on the surface layer of the roof 2, a heating resistance wire 17 is disposed in the heat conducting plate 16, a plurality of conducting rods 18 are connected to the heating resistance wire 17, and a conducting wire 19 is connected between the second storage battery 20 and the conducting rods 18. By the heating of second battery 20 to heating resistor wire 17, heating resistor wire 17 generates heat after the circular telegram and realizes the heat supply to heat-conducting plate 16, and heat-conducting plate 16 realizes heating the snow on 2 top layers on roof to the realization melts fast the snow on roof 2, so can effectively improve the speed that the snow melts, guarantees the efficiency that roof 2 removed snow.
In this embodiment, the heat-conducting plate 16 is provided with a heat-resistant sealing plate at its periphery, and the heat-resistant sealing plate is clamped on the surface layer of the roof 2. Through establishing heat-resisting sealing plate at the periphery of heat-conducting plate 16, heat-resisting sealing plate joint is on roof 2 top layer, can realize sealed between heat-conducting plate 16 and roof 2 from this, has avoided heat-conducting plate 16 and roof 2 laminating department infiltration, has guaranteed the security of heat-conducting plate 16 during operation.
In this embodiment, roof 2 upper end is equipped with second support 5, be equipped with solar cell panel 6 on the second support 5, solar cell panel 6's lower extreme is equipped with first battery 7, first battery 7 is connected with second battery 20 electricity. Utilize solar cell panel 6 to convert solar energy into the electric energy to store the electric energy in first battery 7, realize that second battery 20 charges by first battery 7 to the power supply of second battery 20, supply power to heating resistor silk 17 by second battery 20, heating resistor silk 17 generates heat after the circular telegram and realizes heating heat-conducting plate 16, heat-conducting plate 16 is heated the back and is realized heating the snow on roof 2, can realize melting the snow of roof 2 fast.
It can be understood that one side of the wall 1 is provided with the third bracket 14, and the third bracket 14 is provided with the mounting sleeve 13 for fixing the drain pipe 12, so that the mounting stability of the drain pipe 12 can be effectively improved.
It can be understood that the upper end of the water storage tank 3 is provided with the fourth support 22, the fourth support 22 is provided with the limiting shaft sleeve 23, and the limiting shaft sleeve 23 is sleeved on the periphery of the rotating shaft 21, so that the rotating stability of the rotating shaft 21 can be ensured.
It is understood that m can also be 1cm, 2cm, 3cm, 4cm, 5cm, 6cm, 7cm, 8cm, 9cm, 11cm, 12cm, 13cm, 14cm, 15cm, 16cm, 17cm, 18cm, 19cm, 20cm, and the like.
It can be understood that the utility model discloses a solar cell panel 6 is the civilian solar cell panel who is common on the market, specifically is 320W polycrystal solar cell panel.
It can be understood that the power supply of the second storage battery 20 to the heating resistance wire 17 is controlled by a remote on-off switch connected externally, not shown in the figure, and a specific circuit thereof, which is not disclosed in detail in the present invention, is a common series circuit, and is not repeated here.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a quick drainage device of building roof, its characterized in that, is including installing the storage water tank in wall body one side, the upper end of wall body is equipped with the roof, the storage water tank is located one side on roof and is located the below on roof, the upper end periphery of storage water tank is equipped with the baffle, the upper end of storage water tank is equipped with first support, the mount pad is installed to first support upper end, the motor is installed to the mount pad upper end, the lower extreme of storage water tank is equipped with drainage funnel, drainage funnel keeps away from the one end of storage water tank and is equipped with the drain pipe, one side that the motor is close to drainage funnel is equipped with the pivot, the periphery of pivot just is located the storage water tank and installs the mounting disc.
2. The building roof quick drainage device according to claim 1, wherein a movable shaft sleeve is arranged on the periphery of the rotating shaft, the mounting plate is fixed on the periphery of the movable shaft sleeve, a fixed shaft sleeve is arranged on the periphery of the rotating shaft and above the mounting plate, a fifth support is arranged on the periphery of the fixed shaft sleeve, a first piston is arranged on one side, close to the mounting plate, of the fifth support, a piston shaft is arranged on one side, close to the mounting plate, of the first piston, a second piston is arranged on one side, close to the mounting plate, of the piston shaft, and the second piston is fixed on the mounting plate.
3. The building roof quick drainage device according to claim 2, wherein a spring is arranged between the first piston and the second piston, and the spring is sleeved on the periphery of the piston shaft.
4. The building roof quick drainage device according to claim 1, wherein a funnel inner cavity is arranged in the drainage funnel, a drainage cavity is arranged in the drainage pipe, a mounting ring is arranged in the drainage cavity by the rotating shaft, and a plurality of first stirring blades are arranged on the periphery of the mounting ring.
5. The building roof rapid drainage device according to claim 4, wherein the mounting ring is internally provided with a stirring cavity, and the mounting ring is internally provided with a plurality of second stirring blades.
6. The building roof rapid drainage device according to claim 4, wherein a gap between the first stirring blade and the inner wall of the drainage pipe is m, and m is more than 0cm and less than or equal to 20 cm.
7. The building roof rapid drainage device according to claim 1, wherein an inclined plate is arranged in the water storage tank.
8. The building roof rapid drainage device according to claim 1, wherein a second storage battery is arranged in the roof, a heat conduction plate is arranged on the surface layer of the roof, a heating resistance wire is arranged in the heat conduction plate, a plurality of conductive rods are connected to the heating resistance wire, and a conductive wire is connected between the second storage battery and the conductive rods.
9. The building roof rapid drainage device of claim 8, wherein the heat conducting plate is provided with a heat-resistant sealing plate at its periphery, and the heat-resistant sealing plate is clamped on the roof surface layer.
10. The building roof rapid drainage device according to claim 8, wherein a second support is arranged at the upper end of the roof, a solar panel is arranged on the second support, a first storage battery is arranged at the lower end of the solar panel, and the first storage battery is electrically connected with the second storage battery.
CN202022004108.1U 2020-09-14 2020-09-14 Building roof quick drainage device Active CN212405774U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022004108.1U CN212405774U (en) 2020-09-14 2020-09-14 Building roof quick drainage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022004108.1U CN212405774U (en) 2020-09-14 2020-09-14 Building roof quick drainage device

Publications (1)

Publication Number Publication Date
CN212405774U true CN212405774U (en) 2021-01-26

Family

ID=74374798

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022004108.1U Active CN212405774U (en) 2020-09-14 2020-09-14 Building roof quick drainage device

Country Status (1)

Country Link
CN (1) CN212405774U (en)

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