Decorative column structure containing copper-aluminum composite layer
By using a combination design of reinforced concrete inner column, fireproof layer, aluminum honeycomb panel and copper-aluminum composite layer in the decorative column, the problems of unstable connection and insufficient aesthetics of the external composite column in the outdoor environment are solved, and the stability of connection, fire resistance and aesthetic effect are improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DALI CONSTR GRP
- Filing Date
- 2025-04-25
- Publication Date
- 2026-04-24
AI Technical Summary
Externally-encased composite columns are not suitable for outdoor environments. The connection between the metal outer layer and the stone core is unstable, the metal outer layer is at risk of falling off, and the cost is high, the aesthetics are insufficient, and the fire resistance is inadequate.
The structure adopts an inside-out design, including reinforced concrete internal columns, fireproof layer, aluminum honeycomb panel and copper-aluminum composite layer. The stable connection of each layer is achieved through the first and second connectors. The flexibility of aluminum plate and the metallic texture of copper plate are used to form a beautiful and durable decorative column structure.
It provides sufficient strength support, has good fire resistance, stable connection, and an attractive appearance, avoiding deformation and detachment of the metal outer layer and reducing costs.
Smart Images

Figure CN224161335U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of decorative column technology, specifically relating to a decorative column structure containing a copper-aluminum composite layer. Background Technology
[0002] Currently, decorative columns with some decorative features are generally made of stone because the surface of stone is easy to carve or chisel, making it easy to create decorative patterns or stripes. Furthermore, stone has stable physical and chemical properties, making it suitable for long-term outdoor exposure without deformation. Finally, stone has high strength, making it suitable for column structures to provide support. However, the surface patterns of stone are relatively monotonous, and after exposure to wind and sun, surface erosion occurs, severely affecting its aesthetics.
[0003] As people's demands for architectural aesthetics increase, decorative columns with metal exteriors are gaining popularity, offering a different texture and appearance compared to traditional stone columns. Currently, the common approach for these decorative columns is to wrap a metal outer layer around the stone core (i.e., an externally encased composite column), or, in cases where strength requirements are low, to use a hollow metal column. Solid metal columns are expensive and relatively rare. However, externally encased composite columns are not suitable for outdoor environments. The metal outer layer is prone to deformation due to thermal expansion and contraction, and the connection between the metal outer layer and the stone core is not very stable, with a risk of the metal outer layer detaching. Utility Model Content
[0004] The technical problem this utility model aims to solve is that: the outer-encased composite column is not suitable for outdoor environments; the connection between the metal outer layer and the stone column core is not very stable; the metal outer layer is at risk of falling off; if bolts are used for connection, marks will be left on the metal outer layer, affecting the aesthetics; and the cost of the stone column core is not low. Currently, metal outer layers that are easy to manufacture in different shapes are generally thin and soft, lacking in strength; and the outer-encased composite column basically does not consider fire prevention.
[0005] This utility model provides a decorative column structure containing a copper-aluminum composite layer, which includes an inner column, a fireproof layer, an aluminum honeycomb panel, and a copper-aluminum composite layer from the inside out. The inner column is a reinforced concrete column, which provides sufficient strength for the decorative column structure. The outer side of the inner column is provided with several first connectors, which pass through the fireproof layer and then connect to the aluminum honeycomb panel, thereby improving the connection strength between the fireproof layer, the aluminum honeycomb panel, and the inner column.
[0006] The copper-aluminum composite layer includes an inner aluminum plate and an outer copper plate. The aluminum honeycomb panel is connected to the aluminum plate using several second connectors. The aluminum plate has good flexibility and is easy to bend and process, thus presenting a more beautiful arc or shape. The outer copper plate can provide a metallic appearance and improve the strength of the outer side of the decorative column structure.
[0007] Optionally, the internal columns of the structure include a steel reinforcement cage and a concrete column.
[0008] Optionally, the fireproof layer is selected from conventional fireproof boards or coatings formed by curing fireproof paint.
[0009] Optionally, the first connecting member includes a channel steel, the length direction of which is parallel to the length direction of the internal column of the structure. The channel steel includes a bottom plate in the middle and two wing plates on both sides of the bottom. The two wing plates are parallel to each other and perpendicular to the bottom plate.
[0010] The outer surfaces of the two wing plates face the outer surfaces of the internal columns of the structure and the inner surfaces of the aluminum honeycomb panels, respectively. The bottom plate penetrates the fireproof layer, so that the fireproof layer is located between the two wing plates.
[0011] Further optionally, several pairs of through holes are provided on the two wing plates, and the several pairs of through holes are evenly arranged along the length of the channel steel. Bolts or steel nails pass through a pair of through holes to connect the internal column of the structure, the fireproof layer and the aluminum honeycomb panel. One end of the bolt or steel nail can be pre-embedded in the internal column of the structure and the other end can be inserted into the aluminum honeycomb panel.
[0012] Alternatively, several channel steels may be evenly distributed along the circumference of the aluminum honeycomb panel.
[0013] Preferably, at each of the top corners of the decorative column structure, the aluminum plate and copper plate have a bent or curved shape, and aluminum honeycomb panels are not provided at the top corners to avoid affecting the shape of the copper-aluminum composite layer; the inner side of the top corner can be left empty between itself and the fireproof layer, or it can be filled with conventional fireproof filler.
[0014] Along the circumference of the decorative column structure, the copper-aluminum composite layer is made up of several pieces of sheet metal spliced together, with the splicing position at the top corner of the decorative column structure.
[0015] Optionally, along the length of the decorative column structure, both the aluminum honeycomb panel and the copper-aluminum composite layer are segmented. At the top and bottom of each segment, the copper plate is bent inward into the decorative column structure to form a G-shaped groove. The top and bottom of the aluminum plate and the aluminum honeycomb panel are inserted into the corresponding groove, so that the aluminum honeycomb panel and the copper-aluminum composite layer are fastened together.
[0016] Optionally, the second connector is a bolt or a steel nail, and the aluminum honeycomb panel is connected to the aluminum plate by bolts or steel nails; the bent portions at the top and bottom of the copper plate can be wrapped around the inner sides of the top and bottom of the aluminum honeycomb panel respectively, and the wrapping position is welded to achieve the connection between the aluminum honeycomb panel and the copper-aluminum composite layer; the two adjacent copper plates are also welded together.
[0017] The decorative column structure containing a copper-aluminum composite layer described in this utility model has the following beneficial effects:
[0018] (1) The reinforced concrete structural columns can provide better strength support for the decorative column structure. Compared with traditional stone, reinforced concrete has a mature manufacturing process, low cost, reliable strength, and can be made into various shapes according to actual needs, providing basic internal support for the decorative column structure.
[0019] (2) In terms of fire prevention, this utility model is equipped with a double protective structure of fireproof layer and aluminum honeycomb panel. Aluminum honeycomb panel has the advantages of fire resistance, light weight and high flatness, and is suitable as a fireproof interlayer in column. Its high flatness can constrain the flatness of fireproof layer and aluminum plate on both sides and ensure the vertical flatness of column.
[0020] (3) The aluminum plate has good flexibility, is easy to bend, and is easy to form an aesthetically pleasing shape, making it suitable as the base layer for the shape; the outer copper plate has a certain strength, stable physical and chemical properties, and good corrosion resistance, making it suitable as the outermost layer, and has a metallic texture, which improves the aesthetics. The copper plate has good ductility and plasticity, and can be combined with the aluminum plate to present some simple shapes; the aluminum honeycomb panel is on the inner side of the copper-aluminum composite layer, providing good support and flatness for the copper-aluminum composite layer, and avoiding large deformation of the copper-aluminum composite layer.
[0021] (4) The first connector and the second connector ensure the connection stability between the layers of the decorative column structure. Attached Figure Description
[0022] Figure 1 A schematic cross-sectional view of the decorative column structure containing the copper-aluminum composite layer;
[0023] Figure 2 This is a schematic diagram of the first connector;
[0024] Figure 3 This is a schematic diagram showing the connection between the aluminum honeycomb panel and the copper-aluminum composite layer.
[0025] In the attached diagram, 1-inner structural column, 2-fireproof layer, 3-aluminum honeycomb panel, 4-copper-aluminum composite layer, 5-aluminum plate, 6-copper plate, 7-first connector, 8-second connector, 9-base plate, 10-wing plate, 11-channel steel, 12-top corner, 13-groove. Detailed Implementation
[0026] This embodiment provides a decorative column structure containing a copper-aluminum composite layer, such as Figures 1-3 As shown, from the inside out, it includes an inner structural column 1, a fireproof layer 2, an aluminum honeycomb panel 3, and a copper-aluminum composite layer 4. The inner structural column 1 is a reinforced concrete column, which provides sufficient strength for the decorative column structure. The outer side of the inner structural column 1 is provided with several first connectors 7. The first connectors 7 pass through the fireproof layer 2 and then connect to the aluminum honeycomb panel 3, thereby improving the connection strength between the fireproof layer 2, the aluminum honeycomb panel 3, and the inner structural column 1.
[0027] The copper-aluminum composite layer 4 includes an inner aluminum plate 5 and an outer copper plate 6. The aluminum honeycomb panel 3 is connected to the aluminum plate 5 using several second connectors 8. The aluminum plate 5 has good flexibility and is easy to bend and process, thus presenting a more beautiful arc or shape. The outer copper plate 6 can provide a metallic appearance and improve the strength of the outer side of the decorative column structure.
[0028] Optionally, the structural inner column 1 includes a steel reinforcement cage and a concrete column. During fabrication, a support formwork is provided on the outside of the steel reinforcement cage, concrete is poured inside the formwork, the concrete covers the steel reinforcement cage, and after curing, the structural inner column 1 is formed. Then, the support formwork is removed. The cross-section of the structural inner column 1 is determined according to the actual structural requirements, such as square, circular, triangular, etc.
[0029] Optionally, the fireproof layer 2 is selected from conventional fireproof boards or coatings formed by curing fireproof paint. In actual operation, fireproof paint can be sprayed on the outer side of the inner column 1 of the structure, and after curing, fireproof layer 2 is formed. Such fireproof layer 2 has good adhesion to the inner column 1 of the structure.
[0030] Optionally, the first connecting member 7 includes a channel steel 11, the length direction of the channel steel 11 is parallel to the length direction of the inner column 1 of the structure, the channel steel 11 includes a bottom plate 9 in the middle and two wing plates 10 on both sides of the bottom, the two wing plates 10 are parallel to each other and the wing plates 10 are perpendicular to the bottom plate 9.
[0031] The outer surfaces of the two flanges 10 face the outer surfaces of the structural inner column 1 and the inner surfaces of the aluminum honeycomb panel 3, respectively. The bottom plate 9 penetrates the fireproof layer 2, placing the fireproof layer 2 between the two flanges 10. In most cases, the structural inner column 1 is vertical, and the channel steel 11 is also vertical.
[0032] Further optionally, several pairs of through holes are provided on the two wing plates 10. The several pairs of through holes are evenly arranged along the length direction of the channel steel 11. Bolts or steel nails pass through a pair of through holes to connect the inner column 1, the fireproof layer 2 and the aluminum honeycomb panel 3. One end of the bolt or steel nail can be pre-embedded in the inner column 1 and the other end can be inserted into the aluminum honeycomb panel 3.
[0033] Alternatively, several channel steels 11 are evenly distributed along the circumference of the aluminum honeycomb panel 3.
[0034] Preferably, at each of the top corners 12 of the decorative column structure, the aluminum plate 5 and the copper plate 6 have a bent or curved shape, and the top corner 12 is not provided with an aluminum honeycomb panel 3 to avoid affecting the shape of the copper-aluminum composite layer 4; the inner side of the top corner 12 can be left empty between itself and the fireproof layer 2, or it can be filled with conventional fireproof filler.
[0035] Along the circumference of the decorative column structure, the copper-aluminum composite layer 4 can be a single piece of material or it can be made up of several pieces of material spliced together, for example by welding, with the splicing position at the top corner of the decorative column structure.
[0036] Optionally, along the length of the decorative column structure, both the aluminum honeycomb panel 3 and the copper-aluminum composite layer 4 are segmented. At the top and bottom of each segment, the copper plate 6 is bent into the interior of the decorative column structure to form a G-shaped groove 13. The top and bottom of the aluminum plate 5 and the aluminum honeycomb panel 3 are inserted into the corresponding groove 13, so that the aluminum honeycomb panel 3 and the copper-aluminum composite layer 4 are fastened together.
[0037] Alternatively, since aluminum honeycomb panel 3 and aluminum plate 5 are relatively easy to drill and weld, while copper plate 6 is more difficult to drill, the second connector 8 is a bolt or steel nail, and aluminum honeycomb panel 3 and aluminum plate 5 are connected by bolts or steel nails; the bent parts at the top and bottom of copper plate 6 can be wrapped around the inner sides of the top and bottom of aluminum honeycomb panel 3 respectively, and the wrapping position is welded to achieve the connection between aluminum honeycomb panel 3 and copper-aluminum composite layer 4; adjacent copper plate sections 6 are also welded together.
Claims
1. A decorative column structure containing a copper-aluminum composite layer, characterized in that, From the inside out, it includes an internal structural column, a fireproof layer, an aluminum honeycomb panel, and a copper-aluminum composite layer. The internal structural column is a reinforced concrete column, which provides sufficient strength for the decorative column structure. The outer side of the internal structural column is provided with several first connectors. The first connectors pass through the fireproof layer and then connect to the aluminum honeycomb panel, thereby improving the connection strength between the fireproof layer, the aluminum honeycomb panel, and the internal structural column. The copper-aluminum composite layer includes an inner aluminum plate and an outer copper plate. The aluminum honeycomb panel is connected to the aluminum plate using several second connectors. The aluminum plate is easy to bend and process, thus presenting an aesthetically pleasing arc or shape. The outer copper plate provides a metallic appearance and improves the strength of the outer surface of the decorative column structure.
2. The decorative column structure containing a copper-aluminum composite layer according to claim 1, characterized in that, The internal columns of the structure include a steel reinforcement cage and a concrete column; the fireproof layer is selected from fireproof boards or a coating formed by curing fireproof paint.
3. The decorative column structure containing a copper-aluminum composite layer according to claim 1, characterized in that, The first connecting member includes a channel steel, the length direction of which is parallel to the length direction of the internal column of the structure. The channel steel includes a bottom plate in the middle and two wing plates on both sides of the bottom. The two wing plates are parallel to each other and perpendicular to the bottom plate. The outer surfaces of the two wing plates face the outer surfaces of the internal columns of the structure and the inner surfaces of the aluminum honeycomb panels, respectively. The bottom plate penetrates the fireproof layer, so that the fireproof layer is located between the two wing plates.
4. The decorative column structure containing a copper-aluminum composite layer according to claim 3, characterized in that, Several pairs of through holes are provided on the two wing plates. The several pairs of through holes are evenly arranged along the length of the channel steel. Bolts or steel nails pass through a pair of through holes to connect the internal column of the structure, the fireproof layer and the aluminum honeycomb panel. One end of the bolt or steel nail is pre-embedded in the internal column of the structure and the other end is inserted into the aluminum honeycomb panel. Several channel steels are evenly distributed along the circumference of the aluminum honeycomb panel.
5. The decorative column structure containing a copper-aluminum composite layer according to claim 1, characterized in that, At each of the top corners of the decorative column structure, the aluminum and copper plates have bent or curved shapes. Aluminum honeycomb panels are not installed at the top corners to avoid affecting the shape of the copper-aluminum composite layer. The inner side of the top corner is either empty or filled with fireproof filler between it and the fireproof layer. Along the circumference of the decorative column structure, the copper-aluminum composite layer is made up of several pieces of sheet metal spliced together, with the splicing position at the top corner of the decorative column structure.
6. The decorative column structure containing a copper-aluminum composite layer according to claim 5, characterized in that, Along the length of the decorative column structure, both the aluminum honeycomb panel and the copper-aluminum composite layer are segmented. At the top and bottom of each segment, the copper plate is bent into the interior of the decorative column structure to form a G-shaped groove. The top and bottom of the aluminum plate and the aluminum honeycomb panel are inserted into the corresponding groove, so that the aluminum honeycomb panel and the copper-aluminum composite layer are fastened together.
7. The decorative column structure containing a copper-aluminum composite layer according to claim 6, characterized in that, The second connector is a bolt or a steel nail, and the aluminum honeycomb panel is connected to the aluminum plate by bolts or steel nails.
8. The decorative column structure containing a copper-aluminum composite layer according to claim 6, characterized in that, The bent portions at the top and bottom of the copper plate can respectively wrap around the inner sides of the top and bottom of the aluminum honeycomb plate. The wrapping positions are connected by welding to achieve the connection between the aluminum honeycomb plate and the copper-aluminum composite layer; adjacent copper plates are also connected by welding.