CN114908908B - Arc curtain wall structure suitable for steel construction building - Google Patents
Arc curtain wall structure suitable for steel construction building Download PDFInfo
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- CN114908908B CN114908908B CN202210527436.0A CN202210527436A CN114908908B CN 114908908 B CN114908908 B CN 114908908B CN 202210527436 A CN202210527436 A CN 202210527436A CN 114908908 B CN114908908 B CN 114908908B
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- plate
- curtain wall
- fixedly arranged
- mounting
- hole
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Classifications
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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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- 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
- E04B2/96—Curtain walls comprising panels attached to the structure through mullions or transoms
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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
- E04B2/96—Curtain walls comprising panels attached to the structure through mullions or transoms
- E04B2/962—Curtain walls comprising panels attached to the structure through mullions or transoms with angles or corners in the curtain wall
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Bearing And Curtain Walls (AREA)
Abstract
The invention relates to the technical field of curtain wall installation, and discloses an arc-shaped curtain wall structure suitable for a steel structure building, which comprises an installation beam, wherein a first connecting plate, a first fixing box and a fixing plate are fixedly installed on the same side of the installation beam respectively, an installation plate is fixedly installed on the same side of two adjacent first connecting plates, a second connecting block is movably installed inside the installation plate, a curtain wall is fixedly installed on the same side of two adjacent second connecting blocks, a first connecting block is fixedly installed on the other end of each two adjacent second connecting blocks, a rotating column is movably installed inside the first fixing box in a penetrating manner, the rotating disc is stopped in rotation, a poking plate is released, and under the action of a reset spring, a splicing rod and a splicing hole are reconnected through the second connecting plate, so that the rotating column can be limited to rotate by the splicing rod, the threaded column can not rotate, and therefore the effect of ensuring the stable state after the curtain wall is installed and preventing the curtain wall from being damaged is achieved.
Description
Technical Field
The invention relates to the technical field of curtain wall installation, in particular to an arc-shaped curtain wall structure suitable for steel structure building.
Background
The curtain wall is an outer wall enclosure of a building, is not bearing and is hung like a curtain, so the curtain wall is also called a curtain wall, and is a light wall body with a decorative effect commonly used in modern large-scale and high-rise buildings. The building outer protective structure or the decorative structure is composed of a panel and a supporting structure system, can have certain displacement capacity or deformation capacity relative to the main structure, and does not bear the action of the main structure.
Through retrieving, chinese patent No. CN 211899115U discloses an arc aluminium veneer curtain mounting structure, including arc aluminum plate and wall body, be equipped with the installing frame on the arc aluminum plate, be equipped with the mount pad on the wall body, the mounting groove has been seted up on the mount pad, the installing frame keep away from arc aluminum plate one end run through in the mounting groove and extend to in the mounting groove, spout and screw hole have been seted up respectively to the mounting groove both sides, be equipped with the movable rod in the spout, movable rod one end is fixed and is equipped with limit stop one, the movable rod outside just is located limit stop one with the cover is equipped with reset spring between the spout inner wall, threaded hole runs through and is equipped with the threaded rod, the threaded rod with threaded connection of screw hole screw thread, threaded rod one end is equipped with limit stop two, the installing frame is located limit stop one with between the limit stop two, simple structure, convenient to use, the arc aluminum plate's of being convenient for installation and dismantlement.
Chinese patent number CN 211899115U discloses an arc aluminium veneer curtain mounting structure, because locking bolt one, comes fixed mounting seat, has made things convenient for the dismantlement when using, has made things convenient for operation regulation through knob one and knob two, limiting plate one and limiting plate two play spacing effect, but the curtain is when the installation, goes on to the installing frame through reset spring and limit stop, because the spring has elasticity, the spring leads to easily breaking away from between installing frame and the curtain, causes the damage of curtain.
Disclosure of Invention
The invention aims to provide an arc curtain wall structure suitable for steel structure building, so as to solve the problems in the background technology.
Technical proposal
The invention provides the following technical scheme: the utility model provides a be applicable to steel construction building arc curtain wall construction, includes the installation roof beam, the same side of installation roof beam is fixed mounting respectively has first connecting plate, first fixed box and fixed plate, adjacent two the same side fixed mounting of first connecting plate has the mounting panel, the inside movable mounting of mounting panel has the second connecting block, adjacent two the same side fixed mounting of second connecting block has the curtain, adjacent two the equal fixed mounting of the other end of second connecting block has first connecting block, the inside of first fixed box runs through movable mounting has the spliced pole, the bottom fixed mounting of spliced pole has the rolling disc, the top fixed mounting of spliced pole has the screw thread post, the outside threaded connection of screw thread post has the movable block, the equal fixed mounting in both ends of movable block has the third connecting block, every the equal fixed mounting in top of third connecting block has the gag lever post.
Preferably, the first connecting plate, the fixing plate and the first fixing box are distributed in sequence, the first connecting plate and the first fixing box are respectively located at two sides of the fixing plate, the first connecting plate is located at the end part close to the mounting beam, and the first fixing box is close to the central part of the mounting beam.
Preferably, the inside of mounting panel runs through and has offered first connecting hole with second connecting block assorted, every first connecting hole is located four corners of mounting panel respectively, every first connecting hole all is located adjacent two between the first connecting plate.
Preferably, the installation cavity is seted up to the inside of first fixed box, the inside fixed mounting in installation cavity has the baffle, every equal fixed mounting has the dead lever between one side of baffle and the inner wall in installation cavity, every equal movable mounting in the outside of dead lever has the sliding plate, and two adjacent fixed mounting has the second connecting plate between the sliding plate, one side fixed mounting of second connecting plate has reset spring, the opposite side fixed mounting of second connecting plate has the plug rod.
Preferably, one side of the reset spring is fixedly connected with the second connecting plate, the other side of the reset spring is fixedly connected with the inner wall of the mounting cavity, the stirring plate is fixedly arranged on the side edge of the second connecting plate, and the stirring sliding hole matched with the stirring plate is formed in the inner wall of the first fixing box in a penetrating mode.
Preferably, the inside of baffle runs through and has offered the grafting through-hole with plug rod assorted, the equal angle of outside inner wall equidistance of rotation post has evenly offered the spliced eye, swing joint between plug rod and the spliced eye, rotation post is located adjacent two between the baffle.
Preferably, a sliding column is fixedly arranged between the top end of the first fixing box and the bottom end of the fixing plate, a sliding block is movably arranged on the outer side of each sliding column, and one side of the sliding block is fixedly connected with one side of the third connecting block.
Preferably, the inside of fixed plate runs through and has offered the spacing through-hole with gag lever post assorted, the top of gag lever post runs through first connecting block to run through in the inside of first connecting block and offered the third connecting through-hole with gag lever post assorted, first connecting plate and the adjacent side of first connecting block have been offered and have been offered with gag lever post assorted second connecting hole.
Advantageous effects
Compared with the prior art, the invention provides the arc curtain wall structure suitable for the steel structure building, which has the following beneficial effects:
1. this be applicable to steel construction building arc curtain wall construction inserts the first connecting hole on the mounting panel through first connecting block and second connecting block with the curtain in, rotate the rolling disc, can rotate through rolling column drive screw thread post when the rolling disc rotates, can drive the movable block and move when screw thread post rotates, and the equal fixed mounting in both sides of movable block has the third connecting block, the equal fixed mounting in different sides of two adjacent third connecting blocks has the sliding block, every sliding block all is located the outside of sliding column, can make the movable block can keep stable mobile state when the motion like this, the gag lever post on third connecting block top runs through the inside third connecting hole of through first connecting block to when being connected with the second connecting hole of first connecting plate bottom, first connecting block will be by the restriction motion like this for the stability of curtain, and the simple effect of installation of curtain.
2. This be applicable to steel construction building arc curtain wall construction, stir the board through will stir before rotating the rolling disc, stir the board and move the time can drive the second connecting plate when moving, the equal fixed mounting in upper and lower both ends of second connecting plate has the sliding plate, and every sliding plate all movable mounting is in the outside of dead lever, will keep stable through the sliding plate when the second connecting plate moves like this, can make reset spring compressed when the second connecting plate moves moreover, still can drive plug rod and spliced eye and break away from each other, rotate at the rolling disc and stop, release and stir the board, under reset spring's effect, make plug rod and spliced eye reconnection through the second connecting plate, so also can the spliced pole restriction rotate, the screw thread post will not rotate like this, thereby reach the steady state after guaranteeing the curtain installation, guarantee that the curtain can not be damaged effect.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a left side view of the mounting plate and curtain wall of the present invention;
FIG. 3 is a schematic view of a first connecting via according to the present invention;
FIG. 4 is a schematic view of a second connecting hole according to the present invention;
FIG. 5 is a first view of the first fixing case and the fixing plate according to the present invention;
FIG. 6 is a second view of the first fixing case and the fixing plate according to the present invention;
FIG. 7 is a schematic view of a third via of the present invention;
FIG. 8 is a front cross-sectional view of a first stationary box of the present invention;
FIG. 9 is a view showing the connection between the plug rod and the plug hole in the first fixing case according to the present invention.
In the figure: 1. mounting a beam; 2. a first connection plate; 3. a mounting plate; 4. curtain walls; 5. a first fixed box; 6. a first connection block; 7. a first connection through hole; 8. a second connection hole; 9. a second connection block; 10. a fixing plate; 11. a rotating disc; 12. a toggle plate; 13. a sliding column; 14. a threaded column; 15. a moving block; 16. a sliding block; 17. a limit rod; 18. rotating the column; 19. a third connecting block; 20. a third connecting through hole; 21. a partition plate; 22. a fixed rod; 23. a sliding plate; 24. a second connecting plate; 25. a return spring; 26. inserting a connecting rod; 27. and a plug hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides a be applicable to steel construction building arc curtain wall construction, including installation roof beam 1, the same side of installation roof beam 1 is fixed mounting respectively has first connecting plate 2, first fixed box 5 and fixed plate 10, the same side fixed mounting of two adjacent first connecting plates 2 has mounting panel 3, the inside movable mounting of mounting panel 3 has second connecting block 9, the same side fixed mounting of two adjacent second connecting blocks 9 has curtain 4, the equal fixed mounting of the other end of two adjacent second connecting blocks 9 has first connecting block 6, the inside running through movable mounting of first fixed box 5 has dwang 18, the bottom fixed mounting of dwang 18 has rolling disc 11, the top fixed mounting of dwang 18 has screw thread post 14, the outside threaded connection of screw thread post 14 has movable block 15, the equal fixed mounting in both ends of movable block 15 has third connecting block 19, the equal fixed mounting in top of every third connecting block 19 has gag lever post 17.
In this embodiment, the first connecting plate 2, the fixing plate 10 and the first fixing box 5 are sequentially distributed, the first connecting plate 2 and the first fixing box 5 are respectively located at two sides of the fixing plate 10, the first connecting plate 2 is located at an end portion close to the mounting beam 1, and the first fixing box 5 is close to a central portion of the mounting beam 1.
In this embodiment, the inside of the mounting board 3 is provided with first connecting through holes 7 matched with the second connecting block 9, each first connecting through hole 7 is located at four corners of the mounting board 3, and each first connecting through hole 7 is located between two adjacent first connecting boards 2.
In this embodiment, a sliding column 13 is fixedly installed between the top end of the first fixing case 5 and the bottom end of the fixing plate 10, a sliding block 16 is movably installed on the outer side of each sliding column 13, and one side of the sliding block 16 is fixedly connected with one side of the third connecting block 19.
In this embodiment, a limiting through hole matched with the limiting rod 17 is formed in the fixing plate 10, the top end of the limiting rod 17 penetrates through the first connecting block 6, a third connecting through hole 20 matched with the limiting rod 17 is formed in the first connecting block 6, and a second connecting hole 8 matched with the limiting rod 17 is formed in the adjacent side of the first connecting plate 2 and the adjacent side of the first connecting block 6.
The working principle of the embodiment is as follows: when the curtain wall 4 is used, firstly, the curtain wall 4 is inserted into the first connecting hole 7 on the mounting plate 3 through the first connecting block 6 and the second connecting block 9, the rotating disc 11 rotates, the threaded column 14 is driven to rotate through the rotating column 18 when the rotating disc 11 rotates, the moving block 15 is driven to move when the threaded column 14 rotates, the third connecting blocks 19 are fixedly arranged on two sides of the moving block 15, the sliding blocks 16 are fixedly arranged on different sides of the two adjacent third connecting blocks 19, each sliding block 16 is positioned on the outer side of the sliding column 13, so that the moving block 15 can keep a stable moving state when moving, the limiting rod 17 at the top end of the third connecting block 19 penetrates through the third connecting hole 20 inside the first connecting block 6, and when the limiting rod is connected with the second connecting hole 8 at the bottom end of the first connecting plate 2, the first connecting block 6 is limited to move, and the curtain wall 4 is stable and the curtain wall 4 is simple to install.
Embodiment two:
referring to fig. 8-9, the present invention provides a technical solution: the utility model provides a be applicable to steel construction building arc curtain wall construction, including installation roof beam 1, the same side of installation roof beam 1 is fixed mounting respectively has first connecting plate 2, first fixed box 5 and fixed plate 10, the same side fixed mounting of two adjacent first connecting plates 2 has mounting panel 3, the inside movable mounting of mounting panel 3 has second connecting block 9, the same side fixed mounting of two adjacent second connecting blocks 9 has curtain 4, the equal fixed mounting of the other end of two adjacent second connecting blocks 9 has first connecting block 6, the inside running through movable mounting of first fixed box 5 has dwang 18, the bottom fixed mounting of dwang 18 has rolling disc 11, the top fixed mounting of dwang 18 has screw thread post 14, the outside threaded connection of screw thread post 14 has movable block 15, the equal fixed mounting in both ends of movable block 15 has third connecting block 19, the equal fixed mounting in top of every third connecting block 19 has gag lever post 17.
In this embodiment, an installation cavity is formed in the first fixing box 5, the inside of the installation cavity is fixedly provided with partition plates 21, fixing rods 22 are fixedly installed between one side of each partition plate 21 and the inner wall of the installation cavity, sliding plates 23 are movably installed on the outer sides of each fixing rod 22, a second connecting plate 24 is fixedly installed between two adjacent sliding plates 23, one side of the second connecting plate 24 is fixedly provided with a reset spring 25, and the other side of the second connecting plate 24 is fixedly provided with a plugging rod 26.
In this embodiment, one side of the return spring 25 is fixedly connected with the second connecting plate 24, the other side of the return spring 25 is fixedly connected with the inner wall of the mounting cavity, the toggle plate 12 is fixedly mounted on the side of the second connecting plate 24, and the inner wall of the first fixing box 5 is provided with a toggle sliding hole matched with the toggle plate 12 in a penetrating manner.
In this embodiment, the inside of the partition plate 21 is perforated with insertion holes matched with the insertion rods 26, the inner walls of the outer sides of the rotation columns 18 are evenly perforated with insertion holes 27 at equal angles at equal intervals, the insertion rods 26 are movably connected with the insertion holes 27, and the rotation columns 18 are located between two adjacent partition plates 21.
The working principle of the embodiment is as follows: before rotating the rotating disc 12, firstly stirring the stirring plate 12, driving the second connecting plate 24 to move when the stirring plate 12 moves, fixedly installing sliding plates 23 at the upper end and the lower end of the second connecting plate 24, movably installing each sliding plate 23 on the outer side of the fixed rod 22, keeping the second connecting plate 24 stable through the sliding plates 23 when moving, enabling the reset spring 25 to be compressed when the second connecting plate 24 moves, driving the inserting connecting rod 26 and the inserting holes 27 to be separated from each other, releasing the stirring plate 12, and reconnecting the inserting connecting rod 26 and the inserting holes 27 through the second connecting plate 24 under the action of the reset spring 25, so that the rotating column 18 can be limited to rotate by the inserting connecting rod 26, so that the threaded column 14 can not rotate, thereby achieving the effects of ensuring the stable state after the installation of the curtain wall 4 and ensuring that the curtain wall 4 can not be damaged.
Claims (6)
1. Arc curtain wall construction suitable for steel construction building, including installation roof beam (1), its characterized in that: the device comprises a mounting beam (1), a first connecting plate (2), a first fixing box (5) and a fixing plate (10) are respectively and fixedly arranged on the same side of the mounting beam (1), a mounting plate (3) is fixedly arranged on the same side of each adjacent two first connecting plates (2), a second connecting block (9) is movably arranged in each mounting plate (3), a curtain wall (4) is fixedly arranged on the same side of each adjacent two second connecting blocks (9), a first connecting block (6) is fixedly arranged on the other end of each adjacent two second connecting blocks (9), a rotating column (18) is movably arranged in each first fixing box (5) in a penetrating manner, a rotating disc (11) is fixedly arranged at the bottom end of each rotating column (18), a threaded column (14) is fixedly arranged at the top end of each rotating column (18), a moving block (15) is connected with outer threads of each threaded column (14), a third connecting block (19) is fixedly arranged at two ends of each moving block (15), and a limiting rod (17) is fixedly arranged at the top end of each third connecting block (19);
the inside of the first fixed box (5) is provided with a mounting cavity, the inside of the mounting cavity is fixedly provided with a baffle plate (21), a fixed rod (22) is fixedly arranged between one side of each baffle plate (21) and the inner wall of the mounting cavity, the outer side of each fixed rod (22) is movably provided with a sliding plate (23), a second connecting plate (24) is fixedly arranged between two adjacent sliding plates (23), a reset spring (25) is fixedly arranged on one side of the second connecting plate (24), and a plug-in rod (26) is fixedly arranged on the other side of the second connecting plate (24);
one side of reset spring (25) and second connecting plate (24) fixed connection, the opposite side and the inner wall fixed connection of installation cavity of reset spring (25), the side fixed mounting of second connecting plate (24) has toggle plate (12), the inner wall of first fixed box (5) runs through and has seted up and toggle plate (12) assorted toggle slide hole.
2. An arcuate curtain wall construction for a steel structure building according to claim 1, wherein: the novel connecting device is characterized in that the first connecting plate (2), the fixing plate (10) and the first fixing box (5) are sequentially distributed, the first connecting plate (2) and the first fixing box (5) are respectively located at two sides of the fixing plate (10), the first connecting plate (2) is located at the end part close to the mounting beam (1), and the first fixing box (5) is close to the central part of the mounting beam (1).
3. An arcuate curtain wall construction for a steel structure building according to claim 1, wherein: the inside of mounting panel (3) runs through and has offered first connecting hole (7) with second connecting block (9) assorted, every first connecting hole (7) are located four corners of mounting panel (3) respectively, every first connecting hole (7) all are located adjacent two between first connecting plate (2).
4. An arcuate curtain wall construction for a steel structure building according to claim 1, wherein: the inside of baffle (21) runs through and has offered the grafting through-hole with peg graft pole (26) assorted, peg graft hole (27) have evenly been offered to the equidistant equiangular degree of outside inner wall of rotation post (18), swing joint between peg graft pole (26) and peg graft hole (27), rotation post (18) are located adjacent two between baffle (21).
5. An arcuate curtain wall construction for a steel structure building according to claim 1, wherein: a sliding column (13) is fixedly arranged between the top end of the first fixing box (5) and the bottom end of the fixing plate (10), a sliding block (16) is movably arranged on the outer side of each sliding column (13), and one side of each sliding block (16) is fixedly connected with one side of a third connecting block (19).
6. An arcuate curtain wall construction for a steel structure building according to claim 1, wherein: the inside of fixed plate (10) runs through and has seted up spacing through-hole with gag lever post (17) assorted, the top of gag lever post (17) runs through first connecting block (6) to run through in the inside of first connecting block (6) and have seted up third connecting through-hole (20) with gag lever post (17) assorted, adjacent side of first connecting plate (2) and first connecting block (6) has seted up second connecting hole (8) with gag lever post (17) assorted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210527436.0A CN114908908B (en) | 2022-05-16 | 2022-05-16 | Arc curtain wall structure suitable for steel construction building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210527436.0A CN114908908B (en) | 2022-05-16 | 2022-05-16 | Arc curtain wall structure suitable for steel construction building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114908908A CN114908908A (en) | 2022-08-16 |
| CN114908908B true CN114908908B (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210527436.0A Active CN114908908B (en) | 2022-05-16 | 2022-05-16 | Arc curtain wall structure suitable for steel construction building |
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| Country | Link |
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| CN (1) | CN114908908B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209413073U (en) * | 2018-11-02 | 2019-09-20 | 安徽鑫顶霸建材有限公司 | A kind of installing mechanism of hyperbolic aluminum veneer |
| CN211690963U (en) * | 2019-10-25 | 2020-10-16 | 刘德奇 | Green energy-saving building curtain wall suitable for multiple places |
| CN111910810A (en) * | 2020-08-18 | 2020-11-10 | 田志刚 | Steel construction building arc curtain wall construction |
| CN212613236U (en) * | 2020-06-08 | 2021-02-26 | 陈雨薇 | Fixed connection structure for building curtain wall engineering |
| CN213572539U (en) * | 2020-10-14 | 2021-06-29 | 邵泽浩 | Building curtain anti-drop device that adaptability is high |
| CN216239214U (en) * | 2021-11-18 | 2022-04-08 | 邢晓洁 | Fixed connection structure for building curtain wall engineering |
-
2022
- 2022-05-16 CN CN202210527436.0A patent/CN114908908B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209413073U (en) * | 2018-11-02 | 2019-09-20 | 安徽鑫顶霸建材有限公司 | A kind of installing mechanism of hyperbolic aluminum veneer |
| CN211690963U (en) * | 2019-10-25 | 2020-10-16 | 刘德奇 | Green energy-saving building curtain wall suitable for multiple places |
| CN212613236U (en) * | 2020-06-08 | 2021-02-26 | 陈雨薇 | Fixed connection structure for building curtain wall engineering |
| CN111910810A (en) * | 2020-08-18 | 2020-11-10 | 田志刚 | Steel construction building arc curtain wall construction |
| CN213572539U (en) * | 2020-10-14 | 2021-06-29 | 邵泽浩 | Building curtain anti-drop device that adaptability is high |
| CN216239214U (en) * | 2021-11-18 | 2022-04-08 | 邢晓洁 | Fixed connection structure for building curtain wall engineering |
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| Publication number | Publication date |
|---|---|
| CN114908908A (en) | 2022-08-16 |
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