CN113756480B - Double-circulation curtain wall - Google Patents
Double-circulation curtain wall Download PDFInfo
- Publication number
- CN113756480B CN113756480B CN202110914356.6A CN202110914356A CN113756480B CN 113756480 B CN113756480 B CN 113756480B CN 202110914356 A CN202110914356 A CN 202110914356A CN 113756480 B CN113756480 B CN 113756480B
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- frame
- curtain wall
- cleaning
- block
- curtain
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/38—Machines, specially adapted for cleaning walls, ceilings, roofs, or the like
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/70—Drying or keeping dry, e.g. by air vents
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The invention relates to the technical field of curtain walls, in particular to a dual-cycle curtain wall, which is characterized in that: including left frame, lower frame, right frame, upper frame, clearance mechanism and the curtain body, the lower extreme external fixed surface of left side frame installs the lower frame, upper end surface one side fixed mounting of lower frame has right frame, the upper end external fixed surface of right frame installs the upper frame, the internal surface of upper frame has been seted up and has been accomodate the groove, the inside fixed mounting of upper frame, lower frame, left frame, right frame has the curtain wall body, the wash port has been seted up to the inside of left frame, and the internal surface of left frame has seted up the guide way, the drainage tank has been seted up to the internal surface of lower frame, the inside movable mounting of drainage tank has the magnetism drainage block, is convenient for clear up the surface of curtain inside the building, avoids artifical manual clearance outside the curtain, promotes the security of clearing up the curtain, can in time discharge the ponding on the curtain after rainy day or clearance curtain surface simultaneously, avoids the rainwater to permeate into inside the building.
Description
Technical Field
The invention relates to the technical field of curtain walls, in particular to a dual-cycle curtain wall.
Background
With the rapid development of social economy and the acceleration of urbanization process, the building curtain wall is widely applied. A large number of double curtain wall structures are applied to the outer protective structure of a building. The double-deck curtain of inner loop utilizes air exhaust equipment such as fans to carry out with outdoor ventilation in the practical application process, and outer curtain adopts fixedly, can effectually prevent that the dust from getting into indoorly, provides a more comfortable environment for people. The outer circulation double-layer curtain wall adopts the air hot-pressing principle and the chimney effect, so that fresh air enters the room, and simultaneously, the dirty air in the room is discharged to the outside, so that the air in the room can be kept fresh all the time.
In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved:
the curtain walls are usually installed on the periphery of a building and used for lighting and rain proofing, so that the building is more attractive, but the curtain walls installed on a high-rise building are usually manually cleaned by hanging baskets outside the curtain walls through manpower, the construction difficulty is high, the labor cost is high, the construction is dangerous, the curtain walls cannot be cleaned for a long time, a large amount of rainwater traces and dust adhesion can be generated on the outer layer surfaces of the curtain walls under the irradiation of rainwater and the sun, and the daylighting performance and the attractiveness of the curtain walls are reduced;
traditional curtain when raining, the rainwater can't in time be discharged after falling on the curtain wall to lead to the rainwater to pile up in glass's installation below position, long-time accumulational rainwater can be to the inside infiltration of building, and erode glass, reduce the life of curtain.
Therefore, a double-circulation curtain wall is provided.
Disclosure of Invention
The invention aims to provide a dual-cycle curtain wall, which is convenient for cleaning the outer surface of the curtain wall in a building, avoids manual cleaning outside the curtain wall manually, improves the safety of cleaning the curtain wall, and can discharge accumulated water on the curtain wall in time in rainy days or after the surface of the curtain wall is cleaned, so that rainwater is prevented from permeating into the building, the erosion of the curtain wall caused by rainwater is reduced, the service life of the curtain wall is prolonged, and the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a dual-circulation curtain wall comprises a left frame, a lower frame, a right frame, an upper frame, a cleaning block and a curtain wall body, wherein the lower frame is fixedly arranged on the outer surface of the lower end of the left frame, a right frame is fixedly arranged on one side of the outer surface of the upper end of the lower frame, an upper frame is fixedly arranged on the outer surface of the upper end of the right frame, the inner surface of the upper frame is provided with a containing groove, the interior of the upper frame, the lower frame, the left frame and the right frame is fixedly provided with a curtain wall body, the interior of the left frame is provided with a drain hole, the inner surface of the left frame is provided with a guide groove, the inner surface of the lower frame is provided with a water drainage groove, the interior of the water drainage groove is movably provided with a magnetic water drainage block, a magnetic sliding rod is arranged at the position of one side of the lower frame corresponding to the magnetic drainage block, a first guide block is fixedly arranged on the outer surface of one side of the cleaning block, and the outer surface of the other side of the cleaning block is fixedly provided with a second guide block, one side of the second guide block is provided with a sliding handle, the outer surface of the right frame is provided with a guide block sliding groove, the inner part of the guide block sliding groove is connected with a second guide block in a sliding way, a handle sliding groove is arranged on one side of the guide block sliding groove, a sliding handle is connected inside the handle sliding groove in a sliding manner, the guide block sliding groove and the guide groove are both internally provided with a plurality of drying air bags, and a plurality of drying air bags are overlapped, one side of each drying air bag close to the curtain wall body is provided with a drying air outlet pipe, the other side of the drying air bag is provided with a one-way air inlet, the inside of the handle sliding chute is provided with a telescopic sealing air bag, the number of the telescopic sealing air bags is two, one end of each telescopic sealing air bag is fixedly connected to the upper end and the lower end of the sliding handle respectively, one side of the telescopic sealing air bag is respectively provided with a sealing bag one-way air inlet valve and a sealing bag air outlet pipe.
The upper end of the drain hole penetrates through the upper frame, and the outer surface of the drain hole is connected with the drain groove in a penetrating mode.
The inside position that is close to the upper end of clearance piece has seted up clean appearance chamber, clean appearance chamber is provided with two altogether, and two one side in clean appearance chamber all is connected with the inlet pipe, the inlet pipe runs through in the inside of second guide block and extends to the upper end surface of sliding handle.
The tail end of the sliding handle is rotatably connected with a sealing cover.
A plurality of water outlets are formed in the lower end of the inner surface of the cleaning cavity and distributed in an array shape, and cleaning brushes are fixedly mounted on the outer surface of one end, close to the curtain wall body, of the cleaning block.
A first guide block is connected inside the guide groove in a sliding mode.
The cleaning brush is detachably connected with the cleaning block and is of a sponge structure;
the drying air outlet pipe is of a bent pipe-shaped structure, and the outlet of the drying air outlet pipe faces the curtain wall body.
Compared with the prior art, the invention has the beneficial effects that:
1. when the device is used, a proper amount of cleaning agent is injected into the cleaning agent cavity through the feed inlet of the cleaning agent cavity, the cleaning agent is sprayed to the outer surface of the curtain wall through the water outlet after entering the cleaning agent cavity, water can also be injected into the cavity, clear water is sprayed to the curtain wall and the cleaning brushes through the water outlet, residual cleaning agent is washed clean, the cleaning block is moved downwards again for cleaning, the cleaning brushes above the curtain wall adsorb water traces on the curtain wall, meanwhile, the drying air bag repeatedly discharges gas through the repeated movement of the cleaning mechanism to quickly dry the curtain wall, meanwhile, the cleaning liquid is prevented from entering the chute, the difficulty in cleaning the curtain wall is reduced, the labor cost is reduced, the curtain wall can be cleaned more conveniently and safely, and the attractiveness of the curtain wall can be improved;
2. according to the invention, a series of device components such as the drain hole, the drain groove, the magnetic drain block, the magnetic sliding rod and the like are added in the device, when the device is used, rainwater falls on the surface of the curtain wall and slides down along the curtain wall body in rainy days, enters the interior of the drain groove and flows to the drain hole along the drain groove, so that the rainwater is automatically drained, when the curtain walls are overlapped, the rainwater at the bottom end of each curtain wall can be uniformly drained, after the rainwater is accumulated in the drain groove and the curtain wall is cleaned, the magnetic sliding rod is moved to the drain hole by hand, the magnetic sliding rod drives the magnetic drain block to move, the water in the drain groove is pushed into the drain hole by the magnetic drain block to drain the water, the rainwater and the sewage accumulated on the surface of the curtain wall can be drained in time, the erosion of the sewage to the curtain wall is reduced, the rainwater is prevented from permeating into the building, and the service life of the curtain wall is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side sectional view of the lower frame and curtain wall of the present invention;
FIG. 3 is a schematic view of the handle runner of the present invention;
FIG. 4 is a schematic view of the construction of the hermetically sealed bladder of the present invention;
FIG. 5 is a schematic structural diagram of a cleaning block of the present invention;
fig. 6 is a schematic view showing the structure of the desiccating balloon according to the present invention.
Description of reference numerals:
1. a left frame; 11. a drain hole; 12. a guide groove; 2. a lower frame; 21. a water discharge tank; 22. a magnetic drainage block; 23. a magnetic slide bar; 3. a right frame; 31. a guide block chute; 32. a handle chute; 4. putting the frame on; 41. a storage groove; 5. cleaning the block; 51. a first guide block; 52. a second guide block; 53. cleaning the cavity; 54. a feed pipe; 55. cleaning brushes; 56. a sliding handle; 6. a curtain wall body; 7. a telescopic sealing air bag; 71. the sealing bag one-way air inlet valve; 72. sealing the air outlet pipe of the bag; 8. drying the air bag; 81. and (5) drying the air outlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution:
a dual-cycle curtain wall comprises a left frame 1, a lower frame 2, a right frame 3, an upper frame 4, a cleaning block 5 and a curtain wall body 6, wherein the lower frame 2 is fixedly installed on the outer surface of the lower end of the left frame 1, the right frame 3 is fixedly installed on one side of the outer surface of the upper end of the lower frame 2, the upper frame 4 is fixedly installed on the outer surface of the upper end of the right frame 3, a containing groove 41 is formed in the inner surface of the upper frame 4, a curtain wall body 6 is fixedly installed in the upper frame 4, the lower frame 2, the left frame 1 and the right frame 3, a drain hole 11 is formed in the left frame 1, a guide groove 12 is formed in the inner surface of the left frame 1, a drain groove 21 is formed in the inner surface of the lower frame 2, a magnetic drain block 22 is movably installed in the drain groove 21, a magnetic slide rod 23 is arranged at the position, corresponding to the magnetic drain block 22, a first guide block 51 is fixedly installed on the outer surface of one side of the cleaning block 5, and a second guide block 52 is fixedly arranged on the outer surface of the other side of the cleaning block 5, a sliding handle 56 is arranged on one side of the second guide block 52, a guide block chute 31 is arranged on the outer surface of the right frame 3, a second guide block 52 is slidably connected inside the guide block chute 31, a handle chute 32 is arranged on one side of the guide block chute 31, a sliding handle 56 is slidably connected inside the handle chute 32, drying air bags 8 are arranged inside the guide block chute 31 and the guide groove 12, a plurality of drying air bags 8 are arranged and overlapped, a drying air outlet pipe 81 is arranged on one side of each drying air bag 8 close to the curtain wall body 6, a one-way air inlet is arranged on the other side of each drying air bag 8, and a telescopic sealing air bag 7 is arranged inside the handle chute 32, the number of the telescopic sealing air bags 7 is two, one ends of the two telescopic sealing air bags 7 are fixedly connected to the upper end and the lower end of the sliding handle 56 respectively, and one side of each telescopic sealing air bag 7 is provided with a sealing bag one-way air inlet valve 71 and a sealing bag air outlet pipe 72 respectively.
The upper end of the water discharge hole 11 penetrates through the upper frame 4, and the outer surface thereof is connected with the water discharge groove 21 in a penetrating manner.
Cleaning cavities 53 are formed in the cleaning block 5 close to the upper end, two cleaning cavities 53 are formed in the cleaning block, a feed pipe 54 is connected to one side of each of the two cleaning cavities 53, and the feed pipe 54 penetrates through the second guide block 52 and extends to the outer surface of the upper end of a sliding handle 56.
The end of the sliding handle 56 is rotatably connected with a sealing cover.
A plurality of water outlets are formed in the lower end of the inner surface of the cleaning cavity 53 and distributed in an array shape, and cleaning brushes 55 are fixedly mounted on the outer surface of one end, close to the curtain wall body 6, of the cleaning block 5.
A first guide block 51 is slidably connected to the inside of the guide groove 12.
Cleaning brush 55 and clearance piece 5 can be dismantled and be connected, just cleaning brush 55 is the spongy structure.
The drying air-out pipe 81 is of a bent pipe-shaped structure, and the outlet of the drying air-out pipe 81 faces the curtain wall body 6.
The working principle is as follows: when the device is used, cleaning agents can be injected into the two cleaning cavities 53 through the feed pipes 54 according to needs, the sliding handle 56 is pulled downwards, the sliding handle 56 drives the second guide block 52 and the first guide block 51 downwards to move in the guide block sliding groove 31 and the guide groove 12, the cleaning brush 55 cleans the outer surface of the curtain wall, the cleaning block 5 is moved into the containing groove 41 after cleaning is completed, water is injected into the cleaning cavities 53, the cleaning water flows onto the cleaning brush 55 through the water outlets to clean the curtain wall body 6, and the cleaning agents are washed clean; the cleaning block 5 which is not provided with water and cleaning agent is moved downwards again for cleaning, and the cleaning brush 55 wipes water stains on the curtain wall; when the cleaning brush 55 descends, the second guide blocks 52 and the first guide blocks 51 on the two sides of the cleaning brush 55 extrude the drying air bag 8, after the drying air bag 8 is extruded, the internal air is discharged through the drying air outlet pipe 81, and the air flow discharged from the drying air outlet pipe 81 enables the wiped curtain wall body 6 to be dried quickly; meanwhile, when the sliding handle 56 moves, the telescopic sealing air bags 7 arranged at the upper end and the lower end of the sliding handle 56 fill gaps inside the handle sliding chute 32, so that external cleaning agents or water are prevented from flowing into the interior of a curtain wall, and the sealing bag air outlet pipe 72 of the telescopic sealing air bag 7 blows out and dries a small amount of water entering the interior of the sliding chute; the air bag one-way inlet valve 71 enables the telescopic air bag 7 to be repeatedly inflated in the process of being compressed and stretched by the sliding handle 56; the difficulty of curtain clearance has been reduced, reduce the cost of labor, it is more convenient safety to make the clearance curtain, be convenient for improve the aesthetic property of curtain, meet rainy weather, the rainwater falls to the curtain surface along curtain wall body 6 landing downwards, get into the inside of water drainage tank 21, then flow to wash port 11 along water drainage tank 21, make the rainwater automatic discharge, it is long-pending inside and the back of clearing up the curtain of water drainage tank 21 to have rainwater, move magnetic sliding rod 23 to wash port 11 with the hand, magnetic sliding rod 23 drives magnetic drainage block 22 and removes, magnetic drainage block 22 is pushed the inside water of water drainage tank 21 to wash port 11 inside and is discharged, can in time discharge rainwater and the sewage that curtain surface was long-pending stay, reduce the erosion of sewage to the curtain, avoid the rainwater to inside the building, the life of extension curtain.
The product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased so as to be more matched and accord with the technical scheme of the invention, the product model is the best application technical scheme of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is well known by the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.
In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. The utility model provides a dual cycle curtain which characterized in that: the curtain wall comprises a left frame (1), a lower frame (2), a right frame (3), an upper frame (4), a cleaning block (5) and a curtain wall body (6), wherein the lower frame (2) is fixedly arranged on the outer surface of the lower end of the left frame (1), the right frame (3) is fixedly arranged on one side of the outer surface of the upper end of the lower frame (2), the upper frame (4) is fixedly arranged on the outer surface of the upper end of the right frame (3), an accommodating groove (41) is formed in the inner surface of the upper frame (4), a curtain wall body (6) is fixedly arranged in the upper frame (4), the lower frame (2), the left frame (1), the lower frame (2), a water discharging groove (21) is formed in the inner surface of the lower frame (2), a magnetic water discharging block (22) is movably arranged in the inner part of the water discharging groove (21), a magnetic sliding rod (23) is arranged at the position, corresponding to the magnetic water discharging block (22), a second sliding rod (52) is fixedly arranged on one side of the cleaning block (5), a second sliding block (52) is fixedly arranged on the outer surface of the other side of the cleaning block (52), and a second sliding block (52) is arranged on the outer surface of the guide block (52), guide block spout (31) have been seted up to the surface of right side frame (3), guide block spout (31) inside sliding connection has second guide block (52), one side of guide block spout (31) is provided with handle spout (32), the inside sliding connection of handle spout (32) has slip handle (56), the inside of guide block spout (31) and guide way (12) all is provided with dry gasbag (8), dry gasbag (8) are provided with a plurality of, and a plurality of dry gasbag (8) stack sets up, one side that is close to curtain wall body (6) of dry gasbag (8) is provided with dry tuber pipe (81), the opposite side of dry gasbag (8) is provided with one-way air inlet, the inside of handle spout (32) is provided with flexible sealed gasbag (7), flexible sealed gasbag (7) are provided with two altogether the one end of flexible sealed gasbag (7) is fixed connection respectively to the both ends of slip handle (56) from top to bottom, one side of flexible sealed gasbag (7) is provided with sealed one-way admission valve (71) and sealed gasbag tuber pipe (72) respectively.
2. The curtain wall of claim 1, wherein: the upper end of the drain hole (11) penetrates through the upper frame (4), and the outer surface of the drain hole is connected with the drain groove (21) in a penetrating mode.
3. A dual cycle curtain wall as claimed in claim 2, wherein: the cleaning device is characterized in that a cleaning cavity (53) is formed in the position, close to the upper end, of the inner portion of the cleaning block (5), two cleaning cavities (53) are formed in the cleaning cavity, a feeding pipe (54) is connected to one side of each cleaning cavity (53), and the feeding pipe (54) penetrates through the inner portion of the second guide block (52) and extends to the outer surface of the upper end of the sliding handle (56).
4. A dual cycle curtain wall as claimed in claim 3, wherein: the tail end of the sliding handle (56) is rotatably connected with a sealing cover.
5. The curtain wall of claim 4, wherein: a plurality of water outlets are formed in the lower end of the inner surface of the cleaning accommodating cavity (53) and are distributed in an array shape, and cleaning brushes (55) are fixedly mounted on the outer surface of one end, close to the curtain wall body (6), of the cleaning block (5).
6. The curtain wall of claim 5, wherein: a first guide block (51) is connected in the guide groove (12) in a sliding manner.
7. The curtain wall of claim 5, wherein: the cleaning brush (55) is detachably connected with the cleaning block (5), and the cleaning brush (55) is of a sponge structure.
8. The curtain wall of claim 1, wherein: the drying air outlet pipe (81) is of a bent tubular structure, and the outlet of the drying air outlet pipe (81) faces the curtain wall body (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110914356.6A CN113756480B (en) | 2021-08-10 | 2021-08-10 | Double-circulation curtain wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110914356.6A CN113756480B (en) | 2021-08-10 | 2021-08-10 | Double-circulation curtain wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113756480A CN113756480A (en) | 2021-12-07 |
| CN113756480B true CN113756480B (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110914356.6A Active CN113756480B (en) | 2021-08-10 | 2021-08-10 | Double-circulation curtain wall |
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| CN (1) | CN113756480B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262818B (en) * | 2022-07-27 | 2023-10-03 | 中建八局第一建设有限公司 | Interlayer fireproof solar photoelectric curtain wall |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2692272A4 (en) * | 2011-03-31 | 2014-10-29 | Fu-Chang Liao | Automatic machine for cleaning wallboards |
| CN208578212U (en) * | 2018-07-17 | 2019-03-05 | 深圳市汉高建设有限公司 | A kind of glass curtain wall convenient for cleaning |
| CN109098326A (en) * | 2018-09-07 | 2018-12-28 | 翔实节能玻璃（昆山）有限公司 | A kind of heat-insulated tempered glass curtain wall of anti-dazzle and its assemble method |
| CN211432691U (en) * | 2019-12-02 | 2020-09-08 | 辽宁大班建筑装饰有限公司 | Green curtain wall |
| CN211817230U (en) * | 2019-12-19 | 2020-10-30 | 海达建设集团有限公司 | Double-layer glass curtain wall with washable scraper |
| CN212438493U (en) * | 2020-01-02 | 2021-02-02 | 广东穗合建筑装饰有限公司 | Building curtain self-cleaning device |
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| CN113756480A (en) | 2021-12-07 |
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Effective date of registration: 20221202 Address after: Room 509, No. 395, Jianpeng Road, Helong Street, Baiyun District, Guangzhou, Guangdong 510080 Applicant after: Guangdong Zhongda Construction Group Co.,Ltd. Address before: 235300 Room 502, building 4, Xicheng community, Dangcheng Town, Dangshan County, Suzhou City, Anhui Province Applicant before: Wang Hanyuan |
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