A multi-curved curtain wall structure

Abstract

A multi-curved curtain wall structure includes a keel frame, inner and outer panels of a first insulation layer, and multi-curved decorative panels fixed by connectors. The multi-curved decorative panels are composed of horizontally spliced ​​curved panel units. U-shaped grooves are provided on the inner side of each curved panel unit, which are then connected to insert plates. These are combined with a diamond-shaped cavity core formed by stiffening plates for vertical connection. The inner side of the keel frame uses hanging rods and grooves to hang the inner side panels, facilitating disassembly and maintenance. The arc design of the outer side panels and the multi-curved decorative panels optimizes drainage performance. This invention, through modular design, flexible connection nodes, and a three-dimensional support system, solves the problems of poor adaptability to curved surfaces, high processing costs, easy leakage, and difficult maintenance of traditional curtain walls, making it suitable for complex and irregularly shaped building curtain wall projects.

Description

Technical Field

[0001] This utility model relates to the field of building curtain wall technology, and in particular to a multi-curved curtain wall structure. Background Technology

[0002] Traditional curtain wall systems often employ flat or single-curved designs, making it difficult to adapt to the complex multi-curved shapes required in modern architecture. Current technologies for curved curtain walls frequently utilize customized unit panels, which present the following problems: high precision requirements for curved unit panels lead to high production costs; rigid connections at splicing nodes make it difficult to accommodate deformations caused by thermal expansion and contraction or wind loads; poor compatibility of drainage systems with curved structures leads to water accumulation; and maintenance and replacement are difficult in the future. Utility Model Content

[0003] The purpose of this utility model is to provide a multi-curved curtain wall structure that addresses the technical problems of traditional structures, such as insufficient adaptability to complex multi-curved shapes, high processing costs and low construction efficiency of curved unit panels, stress concentration caused by rigid connections at splicing nodes, and poor waterproofing and concealment of joint structures.

[0004] To achieve the above objectives, the present invention adopts the following technical solution.

[0005] A multi-curved curtain wall structure includes a keel frame, a first insulation layer, an inner side panel, and an outer side panel. The inner side panel and the outer side panel are respectively disposed on the inner and outer sides of the keel frame. The first insulation layer fills the gaps between the inner side panel, the outer side panel, and the keel frame. It also includes a multi-curved decorative panel. The multi-curved decorative panel is disposed on the outer side of the outer side panel and is connected to the keel frame via connectors. The multi-curved decorative panel includes multiple sets of curved panel units, which are spliced ​​together. A U-shaped groove is provided on the inner side of each curved panel unit, near one side edge. The horizontal cross-section of the U-shaped groove is U-shaped, and the groove opening faces horizontally towards the corresponding side edge. A connecting plate is vertically continuous on the other side edge of each curved panel unit. An insert plate is provided on the connecting plate, corresponding to the U-shaped groove plate. The insert plate is plugged into the U-shaped groove plate.

[0006] Preferably, hanging rods are provided at vertical intervals on the inner side of the keel frame; a hanging groove is provided at the top of the hanging rod; a hanging plate is provided on the side of the inner side plate near the keel frame; the hanging plate is connected to the hanging groove.

[0007] Preferably, the U-shaped groove plate is elongated and extends vertically; the connecting plate is L-shaped, with one side connected to the connector by screws and the other end connected to the curved panel unit; the insert plate is elongated and connected to the connecting plate, and the insert plate is correspondingly inserted into the U-shaped groove plate.

[0008] Preferably, multiple sets of curved panel units are arranged vertically, and each set of curved panel units is spliced ​​and connected horizontally; each curved panel unit is composed of two arc-shaped plates connected together, and the arc grooves of the two arc-shaped plates face outward; a stiffening plate is provided on the inner side of the connection seam between the two arc-shaped plates; the stiffening plate is a folded plate, and the stiffening plate and the two arc-shaped plates form a cavity with a horizontal cross-section that is rhomboid; a core is inserted into the cavity; the core connects vertically adjacent curved panel units.

[0009] Preferably, the connector is disposed on the keel frame, at the joint of adjacent curved panel units, or at both ends of the multi-curved decorative panel; the connector includes a fixing plate and a horizontal bar; the fixing plate is connected to the keel frame; the horizontal bar is connected to the outside of the fixing plate and is connected to the connecting plate.

[0010] Preferably, a curved edge panel is provided on one or both sides of the multi-curved decorative panel; one side of the curved edge panel is connected to the multi-curved decorative panel, and the other side of the curved edge panel is connected to the keel frame through the connector.

[0011] Preferably, a vertical rod is provided at the end of the horizontal rod; the connecting plate is connected to the vertical rod by screws.

[0012] Compared with the prior art, the present invention has the following features and beneficial effects.

[0013] 1. The curved panel unit of the multi-curved curtain wall structure of this utility model adopts standardized arc unit horizontal splicing, combined with U-shaped groove plate and insert plate plug-in structure, which reduces the processing difficulty and cost; and the stiffening plate and diamond cavity design enhance local rigidity, while allowing vertical core connection, simplifying the installation process.

[0014] 2. The horizontal insertion structure of the U-shaped groove plate and the insert plate in this utility model provides displacement margin, effectively releasing deformation stress caused by thermal expansion and contraction or load, and improving dynamic deformation adaptability; the flexible connection design of the elastic strip and the slot in the expansion joint structure further absorbs deformation and avoids cracking. At the same time, the joints of this utility model are sealed by a combination of multi-layer elastic strips and external decorative components, providing double waterproof protection and reducing the risk of leakage; the concealed joint design improves the overall appearance and reduces maintenance costs.

[0015] 3. This utility model boasts high structural stability and integrates multiple functions: the supporting keel system incorporates a built-in insulation layer and fireproof rock wool, balancing energy saving and fire resistance; BIM modeling and 3D scanning technology ensure keel positioning accuracy and adapt to complex curved surface shapes. Furthermore, factory-prefabricated components reduce on-site processing and shorten construction time; the curved edge panels and expansion joint structure flexibly adapt to building boundaries, expanding application scenarios. Attached Figure Description

[0016] The present invention will now be described in further detail with reference to the accompanying drawings.

[0017] Figure 1 This is a schematic diagram of the horizontal cross-section of the multi-curved curtain wall structure of this utility model.

[0018] Figure 2 This is a schematic diagram of the horizontal cross-sectional structure of the curved panel unit in this utility model.

[0019] Figure 3 This is a schematic diagram of the expansion joint structure in this utility model.

[0020] Figure 4 This is a schematic diagram of the connection structure between the multi-curved decorative panel and the keel frame in this utility model.

[0021] Figure 5 This is a schematic diagram of the connection structure between the vertically adjacent inner side plates and the keel frame in this utility model.

[0022] Reference numerals: 1 – Keel frame, 1.1 – Vertical keel, 1.2 – Horizontal keel, 2 – First insulation layer, 3 – Inner side panel, 4 – Outer side panel, 5 – Multi-curved decorative panel, 5.1 – Curved panel unit, 5.1.1 – Arc-shaped panel, 5.2 – U-shaped channel panel, 5.3 – Connecting plate, 5.4 – Insert plate, 5.5 – Stiffening plate, 5.6 – Cavity, 5.7 – Insert core, 6 – Connector, 6.1 – Fixing 6.2 - Horizontal bar, 6.3 - Vertical bar, 7 - Hanging rod, 8 - Hanging plate, 9 - Hanging groove, 10 - Edge curved panel, 11 - Glass curtain wall, 12 - Joint plate, 19 - Elastic strip, 14 - Interior panel, 15 - Exterior trim component, 16 - Pressure plate, 17 - Slot, 18 - Clip strip, 19 - External mounting plate, 20 - External bolt, 21 - Internal mounting plate, 22 - Internal bolt, 23 - Second insulation layer. Detailed Implementation

[0023] like Figure 1-5As shown, this multi-curved curtain wall structure includes a keel frame 1, a first insulation layer 2, an inner side panel 3, and an outer side panel 4; the inner side panel 3 and the outer side panel 4 are respectively disposed on the inner and outer sides of the keel frame 1; the first insulation layer 2 fills the gaps between the inner side panel 3, the outer side panel 4, and the keel frame 1; it also includes a multi-curved decorative panel 5; the multi-curved decorative panel 5 is disposed on the outer side of the outer side panel 4, and the multi-curved decorative panel 5 is connected to the keel frame 1 via a connector 6; the multi-curved decorative panel 5 includes multiple sets of curved panel single panels. Component 5.1: Multiple curved panel units are spliced ​​and connected; a U-shaped groove plate 5.2 is provided on the inner side of the curved panel unit 5.1 near one side edge; the horizontal cross-section of the U-shaped groove plate 5.2 is U-shaped, and the groove opening of the U-shaped groove plate 5.2 faces horizontally towards the corresponding side edge; a connecting plate 5.3 is vertically and continuously provided on the other side edge of the curved panel unit 5.1; an insert plate 5.4 is provided on the connecting plate 5.3 at the position corresponding to the U-shaped groove plate 5.2; the insert plate 5.4 is inserted and connected to the U-shaped groove plate 5.2.

[0024] In this embodiment, hanging rods 7 are arranged vertically at intervals on the inner side of the keel frame 1; a hanging groove 9 is provided at the top of the hanging rod 7; a hanging plate 8 is provided on the side of the inner side plate 3 near the keel frame 1; the hanging plate 8 is connected to the hanging groove 9.

[0025] In this embodiment, the U-shaped groove plate 5.2 is elongated and extends vertically; the connecting plate 5.3 is L-shaped, with one side of the connecting plate 5.3 connected to the connector 6 by screws, and the other end of the connecting plate 5.3 connected to the curved panel unit 5.1; the insert plate 5.4 is elongated and connected to the connecting plate 5.3, and the insert plate 5.4 is correspondingly inserted into the U-shaped groove plate 5.2.

[0026] In this embodiment, multiple sets of curved panel units 5.1 are arranged vertically, and each set of curved panel units 5.1 is spliced ​​and connected horizontally. Each curved panel unit 5.1 is formed by connecting two arc-shaped plates 5.1.1, and the arc grooves of the two arc-shaped plates 5.1.1 face outward. A stiffening plate 5.5 is provided inside the connection seam of the two arc-shaped plates 5.1.1. The stiffening plate 5.5 is a folded plate, and the stiffening plate 5.5 and the two arc-shaped plates 5.1.1 form a cavity 5.6 with a horizontal cross-section that is rhomboid. A core 5.7 is inserted into the cavity 5.6. The core 5.7 connects the vertically adjacent curved panel units 5.1.

[0027] In this embodiment, the connector 6 is disposed on the keel frame 1, at the joint of the adjacent curved panel unit 5.1, or at both ends of the multi-curved decorative panel 5; the connector 6 includes a fixing plate 6.1 and a horizontal rod 6.2; the fixing plate 6.1 is connected to the keel frame 1; the horizontal rod 6.2 is connected to the outside of the fixing plate 6.1, and the horizontal rod 6.2 is connected to the connecting plate 5.3.

[0028] In this embodiment, a curved edge panel 10 is also provided on one or both sides of the multi-curved decorative panel 5; one side of the curved edge panel 10 is connected to the multi-curved decorative panel 5, and the other side of the curved edge panel 10 is connected to the keel frame 1 through the connector 6.

[0029] In this embodiment, a vertical rod 6.3 is provided at the end of the horizontal rod 6.2; the connecting plate 5.3 is connected to the vertical rod 6.3 by screws.

[0030] In this embodiment, the inner side panel 3 is a 2mm thick anti-UHPC aluminum single panel, and the outer side panel 4 is a 2mm thick aluminum single panel; the keel frame 1 includes a vertical keel 1.1 and a horizontal keel 1.2; the vertical keel 1.1 and the horizontal keel 1.2 are each provided in a set, and the vertical keel 1.1 and the horizontal keel 1.2 together form a rectangular frame structure; the vertical keel 1.1 and the horizontal keel 1.2 are both made of rectangular steel pipes.

[0031] In this embodiment, the hanging rod 7 is arranged along the transverse axis of the horizontal keel 1.2, and the hanging rod 7 is connected to the keel frame 1 by screws.

[0032] In this embodiment, glass curtain walls 11 are respectively provided on both sides of the multi-curved curtain wall structure; an expansion joint structure is provided between the multi-curved curtain wall structure and one side of the glass curtain wall 11; the edge curved panel 10 is sealed between the multi-curved curtain wall structure and the glass curtain wall 11 or between the multi-curved curtain wall structure and the expansion joint structure; vertical keels 1.1 are respectively provided on both sides of the multi-curved curtain wall structure; when the connector 6 is connected to the vertical keel 1.1, the connecting plate 5.3 is connected to the horizontal bar 6.2; when the connector 6 is connected to the horizontal keel 1.2, a vertical bar 6.3 is connected to the outer end of a set of vertically corresponding horizontal bars 6.2; the connecting plate 5.3 is connected to the vertical bar 6.3. The horizontal bar 6.2 passes through the outer side panel 4.

[0033] In this embodiment, the outer side plate 4 is composed of a set of outer side panels spliced ​​together; the outer side plate 4 is connected to the vertical keel 1.1 at the corresponding vertical keel 1.1 by fastening nails.

[0034] In this embodiment, the expansion joint structure includes a joint plate 12, an elastic strip 13, an interior panel 14, and an exterior trim component 15. There are two joint plates 12, arranged longitudinally at intervals, with the horizontal cross-sections of the two joint plates 12 being arc-shaped, and the arc-shaped grooves of the joint plates 12 being opposite to each other. A second insulation layer is filled in the space between the two joint plates 12. Both ends of each joint plate 12 are fixed to the corresponding vertical keel 1.1 by a pressure plate 16, and a slot 17 is provided on the side of the pressure plate 16 near the expansion joint. The elastic strip 13 has two sets, which are respectively set on the inner and outer sides of the two joint plates 12; a retaining strip 18 is set at each end of the elastic strip 13; the retaining strip 18 is locked in the retaining groove 17; the outer trim component 15 is set on the outer side of the expansion joint, and the outer trim component 15 is connected to the outer elastic strip 13 through the outer mounting plate 19 and the outer bolt 20; the interior panel 14 is set on the inner side of the expansion joint, and the interior panel 14 is connected to the inner elastic strip 13 through the inner mounting plate 21 and the inner bolt 22.

[0035] The above embodiments are not exhaustive examples of specific implementation methods, and other embodiments may also exist. The purpose of the above embodiments is to illustrate the present utility model, rather than to limit the protection scope of the present utility model. All applications derived from simple variations of the present utility model fall within the protection scope of the present utility model.

Claims

1. A multi-curved curtain wall structure, comprising a keel frame (1), a first insulation layer (2), an inner side panel (3), and an outer side panel (4); wherein the inner side panel (3) and the outer side panel (4) are respectively disposed on the inner and outer sides of the keel frame (1); the first insulation layer (2) fills the gaps between the inner side panel (3), the outer side panel (4), and the keel frame (1); characterized in that: It also includes a multi-curved decorative panel (5); the multi-curved decorative panel (5) is disposed on the outside of the outer side panel (4), and the multi-curved decorative panel (5) is connected to the keel frame (1) through a connector (6); the multi-curved decorative panel (5) includes multiple sets of curved panel units (5.1), which are spliced ​​together; a U-shaped groove plate (5.2) is provided on the inner side of the curved panel unit (5.1) near one side edge; the horizontal cross-section of the U-shaped groove plate (5.2) is U-shaped, and the groove of the U-shaped groove plate (5.2) is horizontally oriented towards the corresponding side edge; a connecting plate (5.3) is vertically and continuously provided on the other side edge of the curved panel unit (5.1); an insert plate (5.4) is provided on the connecting plate (5.3) at the position corresponding to the U-shaped groove plate (5.2); the insert plate (5.4) is inserted and connected to the U-shaped groove plate (5.2).

2. The multi-curved curtain wall structure according to claim 1, characterized in that: Hanging rods (7) are arranged vertically at intervals on the inner side of the keel frame (1); a hanging groove (9) is provided at the top of the hanging rod (7); a hanging plate (8) is provided on the side of the inner side plate (3) near the keel frame (1); the hanging plate (8) is connected to the hanging groove (9).

3. The multi-curved curtain wall structure according to claim 1, characterized in that: The U-shaped groove plate (5.2) is long and extends vertically; the connecting plate (5.3) is L-shaped, and one side of the connecting plate (5.3) is connected to the connector (6) by screws, and the other end of the connecting plate (5.3) is connected to the curved panel unit (5.1); the insert plate (5.4) is long and is connected to the connecting plate (5.3), and the insert plate (5.4) is inserted into the U-shaped groove plate (5.2).

4. The multi-curved curtain wall structure according to claim 1, characterized in that: Multiple curved panel units (5.1) are arranged vertically, and each set of curved panel units (5.1) is spliced ​​together horizontally; each curved panel unit (5.1) is formed by connecting two arc-shaped plates (5.1.1), and the arc grooves of the two arc-shaped plates (5.1.1) face outward; a stiffening plate (5.5) is provided inside the connecting seam of the two arc-shaped plates (5.1.1); the stiffening plate (5.5) is a folded plate, and the stiffening plate (5.5) and the two arc-shaped plates (5.1.1) form a cavity (5.6) with a horizontal cross-section that is rhomboid; a core (5.7) is inserted into the cavity (5.6); the core (5.7) connects the vertically adjacent curved panel units (5.1).

5. The multi-curved curtain wall structure according to claim 1, characterized in that: The connector (6) is located on the keel frame (1), at the joint of the adjacent curved panel unit (5.1), or at both ends of the multi-curved decorative panel (5); the connector (6) includes a fixing plate (6.1) and a horizontal bar (6.2); the fixing plate (6.1) is connected to the keel frame (1); the horizontal bar (6.2) is connected to the outside of the fixing plate (6.1), and the horizontal bar (6.2) is connected to the connecting plate (5.3).

6. The multi-curved curtain wall structure according to claim 1, characterized in that: A curved edge panel (10) is also provided on one or both sides of the multi-curved decorative panel (5); one side of the curved edge panel (10) is connected to the multi-curved decorative panel (5), and the other side of the curved edge panel (10) is connected to the keel frame (1) through the connector (6).

7. The multi-curved curtain wall structure according to claim 5, characterized in that: The horizontal bar (6.2) has a vertical bar (6.3) at its end; the connecting plate (5.3) is connected to the vertical bar (6.3) by screws.

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