Equal-strength connecting structure and curtain wall system

By installing reinforcing plates inside the cavity of the beams and connecting them with fasteners, the problem of insufficient strength at the beam joints was solved, achieving convenient installation and a highly stable curtain wall system connection.

CN224228064UActive Publication Date: 2026-05-12SHENZHEN DADI CURTAIN WALL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN DADI CURTAIN WALL TECH CO LTD
Filing Date
2025-04-22
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

In existing technologies, horizontal connections of beams are usually made by welding, which is cumbersome and the connection strength is insufficient, making it difficult to meet the stability requirements of curtain wall systems.

Method used

The connection method employs reinforcing plates and fasteners. By placing reinforcing plates inside the cavity of the crossbeam and connecting them with fastening bolts and nuts, the strength and rigidity of the joint are enhanced.

Benefits of technology

This achieves equal-strength connections at the beam joints, facilitating installation and disassembly, avoiding uneven strength issues caused by welding, and improving the overall stability and ease of installation of the curtain wall system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of building curtain walls, and particularly relates to an equal-strength connecting structure and a curtain wall system. The equal-strength connecting structure comprises beams, fasteners and reinforcing plates, the beams are provided with containing cavities, the reinforcing plates are arranged in the containing cavities and connected to one ends of the beams, fastening holes are formed in the reinforcing plates, the beams are arranged, one ends of the beams are in butt joint, the two reinforcing plates are oppositely arranged, the fasteners comprise fastening bolts and fastening nuts, and the fastening bolts are connected with the fastening nuts. One end of the fastening bolt penetrates through the two fastening holes, and the fastening nut is locked to the other end of the fastening bolt in a screwed mode. According to the utility model, the reinforcing plate is arranged to enhance the strength and rigidity of the butt joint of the two cross beams, so that the two cross beams are connected at equal strength, namely, the two cross beams basically have the strength of integral forming. The connection mode of the fastening bolt and the nut is convenient to operate, the problem of uneven strength caused by welding is avoided, and meanwhile mounting and dismounting are convenient.
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Description

Technical Field

[0001] This utility model belongs to the field of building curtain wall technology, and in particular relates to an equal-strength connection structure and curtain wall system. Background Technology

[0002] As a widely used external envelope system in modern architecture, building curtain walls are essentially non-load-bearing exterior wall structures. Their main function is to isolate and protect the interior of a building from its external environment, while also enhancing the overall appearance of the building. Building curtain walls typically consist of two main parts: first, the surface decorative and protective panels, which may be made of various materials such as glass, metal, stone, and ceramic; and second, the supporting system located behind the panels that bears the structural load. Common forms include aluminum alloy beams and columns, steel structural components, and beam end supports.

[0003] In the entire curtain wall system, aluminum alloy beams, as the core component of the supporting structure, not only undertake the mechanical function of effectively transmitting external forces such as panel loads, wind loads, and seismic forces to the main building structure, but also determine the structural stiffness, stability, and safety of the entire curtain wall system.

[0004] However, when it is necessary to connect two crossbeams horizontally to form a longer crossbeam, welding is generally used. This method is cumbersome and inconvenient for subsequent installation and maintenance. Moreover, since crossbeams are generally hollow structures, welding often results in insufficient strength at the connection. Utility Model Content

[0005] The purpose of this application is to provide an equal-strength connection structure, which aims to solve the problem of how to connect two crossbeams and improve their strength.

[0006] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0007] In a first aspect, an equal-strength connection structure is provided, comprising: a crossbeam, fasteners, and reinforcing plates. The crossbeam has a cavity, and the reinforcing plate is disposed within the cavity and connected to one end of the crossbeam. The reinforcing plate has fastening holes. Two crossbeams are arranged, with one end of the two crossbeams abutting each other, and the two reinforcing plates are arranged opposite to each other. The fasteners include fastening bolts and fastening nuts. One end of the fastening bolt passes through the two fastening holes, and the fastening nut is screwed onto the other end of the fastening bolt.

[0008] In some embodiments, the cavity is provided with guide strips, which are arranged along the length of the crossbeam, and the edge of the reinforcing plate is provided with guide grooves, with the guide strips partially located within the guide grooves.

[0009] In some embodiments, multiple guide strips are arranged at intervals, and each guide strip is arranged around the circumference of the reinforcing plate. The reinforcing plate has guide grooves at the positions corresponding to each guide strip, and each guide strip is partially located in each guide groove.

[0010] In some embodiments, the equal-strength connection structure further includes a limiting ring located in the cavity, with the edge of the limiting ring connected to the inner wall of the cavity. The limiting ring is located on the outer side of the reinforcing plate, and the fastening bolt passes through both limiting rings and is connected to the fastening nut.

[0011] In some embodiments, the inner wall of the limiting ring is inclined, the inclination of the side surface of the reinforcing plate is adapted to the inner wall of the limiting ring, and the reinforcing plate is partially embedded in the limiting ring.

[0012] In some embodiments, the reinforcing plate has a predetermined thickness along the length of the crossbeam.

[0013] In some embodiments, the equal-strength connection structure further includes a reinforcing side plate, one end of which is connected to the side surface of one of the beams, and the other end of which is connected to the side surface of the other beam.

[0014] In some embodiments, the equal-strength connection structure further includes columns connecting the beam and inter-layer supports connecting the columns, the columns being arranged at intervals, and the two ends of the inter-layer supports being connected to the two columns respectively.

[0015] In some embodiments, the equal-strength connection structure further includes corner brackets, one end of which is connected to the interlayer support, and the other end of which is connected to the column.

[0016] Secondly, a curtain wall system is provided, which includes the aforementioned equal-strength connection structure.

[0017] The beneficial effects of this application are as follows: by setting a reinforcing plate, the strength and rigidity of the joint between the two crossbeams are enhanced, so that the two crossbeams have an equal strength connection, that is, the two crossbeams are basically integrally formed with strength. The connection method of fastening bolts and nuts is easy to operate, avoids the problem of uneven strength caused by welding, and is also easy to install and disassemble. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or exemplary technologies will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a three-dimensional structural diagram of the equal-strength connection structure provided in the embodiments of this application;

[0020] Figure 2 yes Figure 1 An exploded view of a structure with equal-strength connections;

[0021] Figure 3 This is a three-dimensional structural schematic diagram of the beams, columns, and inter-story supports provided in another embodiment of this application;

[0022] Figure 4 yes Figure 3 An exploded view of the beams, columns, and inter-floor supports.

[0023] The following are the labeling elements in the figure:

[0024] 10. Crossbeam; 11. Cavity; 141. Support plate;

[0025] 17. Guide strip; 18. Reinforced side panel;

[0026] 16. Fasteners; 161. Fastening bolts; 162. Fastening nuts; 163. Reinforcing plates;

[0027] 164. Limiting ring; 166. Fastening hole; 165. Guide groove; 168. Interlayer support;

[0028] 19. Corner bracket; 191. Waist-shaped hole; Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0030] It should be noted that when a component is referred to as "fixed to" or "set on" another component, it can be directly or indirectly attached to that other component. When a component is referred to as "connected to" another component, it can be directly or indirectly connected to that other component. The terms "upper," "lower," "left," "right," etc., indicate orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, and are for ease of description only, not to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. "A plurality" means two or more, unless otherwise explicitly defined.

[0031] In existing technologies, when two horizontal beams need to be joined together to form a longer beam, welding is generally used. This method is cumbersome and inconvenient for subsequent installation and maintenance. Moreover, since the beams are generally hollow structures, welding often results in insufficient strength at the joint. This application provides an equal-strength connection structure and a curtain wall system incorporating it. The curtain wall system is installed on a building and can decorate and protect the building.

[0032] Please see Figures 1 to 2 The equal-strength connection structure includes: a crossbeam 10, fasteners 16, and reinforcing plates 163. The crossbeam 10 and reinforcing plates 163 can be made of metal, such as aluminum alloy. Aluminum alloy has a density of 2.63 to 2.85 g / cm3, has high strength, a specific strength close to that of high alloy steel, and a specific stiffness exceeding that of steel. It also has good casting and plastic processing properties, good corrosion resistance, and can be used as a structural material.

[0033] The crossbeam 10 has a cavity 11, meaning it has a hollow structure. The crossbeam 10 includes multiple support plates 141, which sequentially enclose and form the cavity 11, thereby reducing its weight while maintaining structural strength and rigidity. A reinforcing plate 163 is disposed within the cavity 11 and connected to one end of the crossbeam 10. During use, the crossbeam 10 is arranged horizontally, and the reinforcing plate 163 is arranged vertically. The edge of the reinforcing plate 163 connects to the inner wall of the cavity 11. It is understood that the edge of the reinforcing plate 163 can be welded to the inner wall of the cavity 11. Alternatively, the reinforcing plate 163 can be fixed within the cavity 11 using structural components; this is not a limitation and can be chosen according to the actual situation.

[0034] Please see Figures 1 to 2 The reinforcing plate 163 has fastening holes 166. Two crossbeams 10 are arranged, with one end of each crossbeam 10 joined together, and the two reinforcing plates 163 are arranged opposite each other. It is understood that the opening of the cavity 11 is located at the end face of one end of the crossbeam 10, and the reinforcing plate 163 is positioned at the opening of the cavity 11. The fastener 16 includes a fastening bolt 161 and a fastening nut 162. One end of the fastening bolt 161 passes through the two fastening holes 166, and the fastening nut 162 is screwed onto the other end of the fastening bolt 161. It is understood that washers can be provided on the fastening bolt 161 and the fastening nut 162 to improve the stability and reliability of the connection.

[0035] Please see Figures 1 to 2The equal-strength connection structure provided in this application embodiment enhances the strength and rigidity of the joint between the two crossbeams 10 by setting a reinforcing plate 163, so that the two crossbeams 10 have an equal-strength connection, that is, the two crossbeams 10 basically have the strength of being integrally formed. The connection method of fastening bolts 161 and nuts is convenient to operate, avoids the problem of uneven strength caused by welding, and is also convenient for installation and disassembly.

[0036] Optionally, the aluminum alloy beam 10 features high strength and high toughness, supports the reliability of the fastening connection, ensures the equal strength performance at the joint, and is suitable for scenarios in curtain wall systems that require long-span beams 10.

[0037] Please see Figures 1 to 2 In some embodiments, the cavity 11 is provided with a guide strip 17, which is arranged along the length of the crossbeam 10. The edge of the reinforcing plate 163 is provided with a guide groove 165, and part of the guide strip 17 is located in the guide groove 165.

[0038] Optionally, the cooperation between the guide strip 17 and the guide groove 165 improves the positioning accuracy of the reinforcing plate 163 within the cavity 11 of the crossbeam 10. During the installation of the reinforcing plate 163 and the crossbeam 10, the cooperation between the guide strip 17 and the guide groove 165 ensures the stability of the reinforcing plate 163 during installation, while limiting the offset of the reinforcing plate 163 outside the length direction of the crossbeam 10, thus enhancing the shear resistance at the connection.

[0039] Please see Figures 1 to 2 In some embodiments, multiple guide strips 17 are arranged at intervals, and each guide strip 17 is arranged around the circumference of the reinforcing plate 163. The reinforcing plate 163 has guide grooves 165 at the positions corresponding to each guide strip 17, and each guide strip 17 is partially located in each guide groove 165.

[0040] Please see Figures 1 to 2 Optionally, the cooperation of multiple guide strips 17 and multiple guide grooves 165 improves the installation stability and anti-displacement capability of the reinforcing plate 163. The circumferentially arranged guide strips 17 evenly distribute the force on the reinforcing plate 163, enhancing the torsional resistance at the joint. It can be understood that the cross-sectional shape of the beam 10 is rectangular, the shape of the reinforcing plate 163 is adapted to the cross-sectional shape of the beam 10, four guide strips 17 are provided, each guide strip 17 is located at one of the four right angles of the cavity 11, and the four guide grooves 165 are also located at one of the four right angles of the guide plate.

[0041] Please see Figures 1 to 2In some embodiments, the equal-strength connection structure further includes a limiting ring 164, the limiting ring 164 being located in the cavity 11, and the edge of the limiting ring 164 being connected to the inner wall of the cavity 11. The limiting ring 164 is located outside the reinforcing plate 163, and the fastening bolt 161 passes through the two limiting rings 164 and is connected to the fastening nut 162.

[0042] Please see Figures 1 to 2 Optionally, the edge of the limiting ring 164 can be connected to the inner wall of the cavity 11 by welding. The limiting ring 164 can prevent the reinforcing plate 163 from sliding out of the cavity 11 along one end of the crossbeam 10. That is, the limiting ring 164 forms an external constraint on the reinforcing plate 163, limiting the displacement of the reinforcing plate 163 under the action of external force. When the fastener 16 locks the two crossbeams 10, it improves the stability of the joint. At the same time, the limiting ring 164 provides a force support point for the fastening bolt 161, distributing the force on the fastener 16.

[0043] Please see Figures 1 to 2 In some embodiments, multiple fasteners 16 are arranged at intervals. In this embodiment, three fasteners 16 are arranged at intervals. In other embodiments, four or more fasteners 16 may also be arranged at intervals. No limitation is made here.

[0044] Please see Figures 1 to 2 In some embodiments, the inner wall of the limiting ring 164 is inclined, the inclination of the side surface of the reinforcing plate 163 is adapted to the inner wall of the limiting ring 164, and the reinforcing plate 163 is partially embedded in the limiting ring 164.

[0045] Optionally, the inclined surface-adaptive fitting structure increases the contact area between the reinforcing plate 163 and the limiting ring 164, improves the friction and stability at the connection, restricts the lateral movement of the reinforcing plate 163, and at the same time, the inclined surface helps the reinforcing plate 163 to be embedded and fastened in the limiting ring 164, improving the lateral stability of the reinforcing plate 163.

[0046] Please see Figures 1 to 2 In some embodiments, the reinforcing plate 163 has a predetermined thickness along the length of the crossbeam 10.

[0047] Optionally, the thickness of the reinforcing plate 163 is greater than the thickness of the inner wall of the cavity 11. For example, the predetermined thickness can be 20 mm, while the thickness of the inner wall of the cavity 11 can be 10 mm. The reinforcing plate 163 can provide sufficient strength and rigidity according to the mechanical requirements of the beam 10, enhance the load-bearing capacity at the joint, and avoid the decrease in strength due to insufficient thickness or the waste of material due to excessive thickness.

[0048] In some embodiments, the equal-strength connection structure further includes a reinforcing side plate 18, one end of which is connected to the side surface of one of the crossbeams 10, and the other end of which is connected to the side surface of the other crossbeam 10.

[0049] Please see Figures 1 to 2 Optionally, the reinforcing side plates 18 are arranged on both opposite sides of the crossbeam 10. The reinforcing side plates 18 can be screwed to the side surface of the crossbeam 10 by screws or bolts, thereby reinforcing the strength of the joint of the two crossbeams 10 from the side, improving the torsional and shear resistance of the joint, improving the overall stiffness of the joint structure, and reducing the relative displacement of the crossbeams 10 under stress.

[0050] Please see Figures 3 to 4 In some embodiments, the equal-strength connection structure further includes columns connecting the crossbeam 10 and inter-layer supports 168 connecting the columns, the columns being arranged at intervals, and the two ends of the inter-layer supports 168 being connected to the two columns respectively.

[0051] Optionally, the inter-floor support 168 transmits the load to the beam 10 through the columns, which can improve the overall stability of the curtain wall system.

[0052] Please see Figures 3 to 4 In some embodiments, the equal-strength connection structure further includes corner brackets 19, one end of which is connected to the interlayer support 168, and the other end of which is connected to the column.

[0053] Please see Figures 3 to 4 Optionally, the corner bracket 19 is L-shaped and can be bolted to the column and the interlayer support 168. The surface of the corner bracket 19 connected to the column has a waist-shaped hole 191. The bolt passes through the waist-shaped hole 191 and is threaded to the column. The waist-shaped hole 191 allows the bolt to move appropriately along the width of the beam 10 to improve the thermal expansion and contraction of the equal strength connection structure in response to temperature changes.

[0054] Please see Figures 3 to 4 Optionally, the corner bracket 19 can enhance the connection strength between the interlayer support 168 and the column, optimize the mechanical transmission path, improve the stability of the curtain wall system under multi-directional forces (wind load, seismic force, etc.), and facilitate installation and adjustment.

[0055] This utility model also proposes a curtain wall system, which includes an equal-strength connection structure. The specific structure of the equal-strength connection structure is as described in the above embodiments. Since this curtain wall system adopts all the technical solutions of all the above embodiments, it also has all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0056] Please see Figures 3 to 4 In some embodiments, the curtain wall system includes a plurality of the horizontal beams 10 and a plurality of columns, with the horizontal beams 10 spaced apart in the vertical direction or the columns spaced apart in the horizontal direction.

[0057] Please see Figures 3 to 4 Optionally, the curtain wall system achieves higher strength and stability at the joint of the horizontal beam 10, solving the problem of insufficient strength of traditional welded connections, while also taking into account the ease of installation and maintenance.

[0058] The above are merely optional embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. An equal-strength connection structure, characterized in that, include: The device comprises a crossbeam, fasteners, and reinforcing plates. The crossbeam has a cavity, and the reinforcing plate is disposed within the cavity and connected to one end of the crossbeam. The reinforcing plate has fastening holes. Two crossbeams are arranged, with one end of the two crossbeams joined together, and the two reinforcing plates are arranged opposite each other. The fasteners include fastening bolts and fastening nuts. One end of the fastening bolt passes through the two fastening holes, and the fastening nut is screwed onto the other end of the fastening bolt.

2. The equal-strength connection structure as described in claim 1, characterized in that: The cavity is provided with guide strips, which are arranged along the length of the crossbeam. The edge of the reinforcing plate is provided with guide grooves, and the guide strips are partially located in the guide grooves.

3. The equal-strength connection structure as described in claim 2, characterized in that: Multiple guide strips are arranged at intervals, and each guide strip is arranged around the circumference of the reinforcing plate. The reinforcing plate has guide grooves at the positions corresponding to each guide strip, and each guide strip is partially located in each guide groove.

4. The equal-strength connection structure as described in claim 1, characterized in that: The equal-strength connection structure also includes a limiting ring, which is located in the cavity and the edge of the limiting ring is connected to the inner wall of the cavity. The limiting ring is located on the outside of the reinforcing plate, and the fastening bolt passes through the two limiting rings and is connected to the fastening nut.

5. The equal-strength connection structure as described in claim 4, characterized in that: The inner wall of the limiting ring is inclined, the inclination of the side surface of the reinforcing plate is adapted to the inner wall of the limiting ring, and the reinforcing plate is partially embedded in the limiting ring.

6. The equal-strength connection structure as described in any one of claims 1-5, characterized in that: The reinforcing plate has a predetermined thickness along the length of the crossbeam.

7. The equal-strength connection structure as described in any one of claims 1-5, characterized in that: The equal-strength connection structure also includes a reinforcing side plate, one end of which is connected to the side surface of one of the crossbeams, and the other end of which is connected to the side surface of the other crossbeam.

8. The equal-strength connection structure as described in any one of claims 1-5, characterized in that: The equal-strength connection structure also includes columns connecting the crossbeam and inter-layer supports connecting the columns. The columns are arranged at intervals, and the two ends of the inter-layer supports are respectively connected to the two columns.

9. The equal-strength connection structure as described in claim 8, characterized in that: The equal-strength connection structure also includes corner brackets, one end of which is connected to the interlayer support, and the other end of which is connected to the column.

10. A curtain wall system, characterized in that, Including the equal-strength connection structure as described in any one of claims 1-9.