Connecting device for steel structure curtain wall
By designing a stable quadrilateral connection structure and utilizing a combination of L-shaped connection plates and support rods, the problems of poor torsional resistance and stress concentration in steel structure curtain walls were solved, achieving higher connection stability and torsional resistance, and improving the overall structural safety and durability of the curtain wall.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-03-20
AI Technical Summary
The existing connection methods of steel structure curtain walls have poor torsional resistance, which can easily lead to the torsion of curtain wall beams or drooping heads. Furthermore, the difference in the coefficient of thermal expansion of materials caused by thermal expansion and contraction can cause stress concentration, affecting the integrity and safety of the structure.
Design a connection device including a first connection mechanism, a second connection mechanism, a third connection mechanism and a fourth connection mechanism. A stable quadrilateral connection structure is formed by the combination of an L-shaped connection plate and a support rod. The contact area of the connection point is increased by using threaded bolts and bolt sleeves. Combined with the design of mating inserts and slots, stress is dispersed and the stability and torsional performance of the connection are improved.
It effectively disperses and resists torsional forces, prevents curtain wall beams from twisting or drooping, avoids stress concentration, and improves the load-bearing capacity and durability of the curtain wall structure.
Smart Images
Figure CN224016592U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to connecting device field especially for a kind of connecting device for steel structure curtain wall. BACKGROUND
[0002] Steel structure curtain wall is a kind of modern building curtain wall form, mainly by channel steel, thick steel plate and other steel materials, such as steel column, steel beam and other prefabricated components, and panel material such as glass, with light weight, high strength, easy to install, good seismic performance and other characteristics, steel structure curtain wall is widely used in high-rise building, large public building and other fields, traditional steel structure curtain wall usually adopts bolt connection.
[0003] The existing steel structure curtain wall, when connecting, its torsional resistance is poor, which may cause the curtain wall beam to twist or sag, and the expansion coefficient difference between different materials may cause stress concentration at the bolt connection of the curtain wall framework due to its thermal expansion and contraction characteristics, thereby affecting the integrity and safety of the structure.
[0004] Therefore, in view of the above-mentioned single bolt connection, the torsional resistance is poor, and the stress concentration is easy to cause, a connecting device for steel structure curtain wall can be designed, which improves the torsional resistance and disperses the stress, thereby solving the above-mentioned problems. SUMMARY
[0005] In order to overcome the problem that the existing steel structure curtain wall has poor torsional resistance when connecting, which may cause the curtain wall beam to twist or sag, and the expansion coefficient difference between different materials may cause stress concentration at the bolt connection of the curtain wall framework due to its thermal expansion and contraction characteristics, thereby affecting the integrity and safety of the structure.
[0006] The technical scheme of the utility model is: a connecting device for steel structure curtain wall, comprising first connecting mechanism, second connecting mechanism, third connecting mechanism and fourth connecting mechanism; one side of the first connecting mechanism is matched with the second connecting mechanism, the first connecting mechanism and the second connecting mechanism are oppositely arranged, the opposite corners of the first connecting mechanism are matched with the third connecting mechanism which is the same as the first connecting mechanism, and the opposite corners of the second connecting mechanism are matched with the fourth connecting mechanism which is the same as the second connecting mechanism, the first connecting mechanism, the second connecting mechanism, the third connecting mechanism and the fourth connecting mechanism are distributed at the corner of the connecting place of steel structure curtain wall; the first connecting mechanism comprises first connecting plate, one end of the first connecting plate is provided with second connecting plate, the first connecting plate and the second connecting plate are arranged in L type, the second connecting mechanism comprises third connecting plate, one end of the third connecting plate is provided with fourth connecting plate, and the third connecting plate and the fourth connecting plate are arranged in L type.
[0007] Preferably, the first connecting mechanism, the second connecting mechanism, the third connecting mechanism and the fourth connecting mechanism are combined to connect the steel structure curtain wall, the first connecting mechanism and the third connecting mechanism are placed at the diagonal connection of the steel structure curtain wall, then the third connecting mechanism and the fourth connecting mechanism are placed at the diagonal line between the first connecting mechanism and the third connecting mechanism, and finally the first connecting mechanism, the second connecting mechanism, the third connecting mechanism and the fourth connecting mechanism are connected in sequence to connect the steel structure curtain wall.
[0008] Preferably, the surface of the first connecting plate is symmetrically provided with two groups of first connecting lock holes, the surface of the second connecting plate is symmetrically provided with two groups of second connecting lock holes, and two groups of first supporting rods are symmetrically arranged between the first connecting plate and the second connecting plate.
[0009] Preferably, the end edge of the first connecting plate close to the second connecting plate is provided with a butt joint plug strip below, and the surface of the butt joint plug strip is symmetrically provided with two groups of positioning lock holes.
[0010] Preferably, the surface of the third connecting plate is symmetrically provided with two groups of butt joint clamping strips, and the butt joint clamping strips are provided with butt joint clamping grooves corresponding to the butt joint plug strip.
[0011] Preferably, the surface of the butt joint clamping groove is symmetrically provided with two groups of third connecting lock holes corresponding to the positioning lock holes, the third connecting lock holes are concentrically arranged with the first connecting lock holes, one end of the butt joint clamping groove close to the fourth connecting plate is provided with a butt joint plug hole, and one end of the butt joint plug strip extends into the interior of the butt joint clamping groove through the butt joint plug hole.
[0012] Preferably, the surface of the fourth connecting plate is symmetrically provided with two groups of fourth connecting lock holes corresponding to the second connecting lock holes, and two groups of second supporting rods are symmetrically arranged between the third connecting plate and the fourth connecting plate.
[0013] Preferably, the first lock hole and the second lock hole are both provided with a bolt sleeve, a threaded bolt hole is formed in the center of one end of the bolt sleeve, a threaded bolt shaft is arranged in the interior of the threaded bolt hole, a hexagonal lock cap is arranged at the end of the threaded bolt shaft away from the threaded bolt hole, and a hexagonal lock groove is formed in the end of the hexagonal lock cap away from the threaded bolt shaft.
[0014] The utility model discloses a beneficial effect: compared with traditional steel structure curtain wall connection, the poor torsional property is easy to cause the problem of stress concentration, and the application is through the combination use of first connecting mechanism, second connecting mechanism, third connecting mechanism and fourth connecting mechanism, forms a stable quadrilateral connection structure, and this structure can more effectively disperse and resist torsion when being subjected to torsion, thereby avoiding the torsion or drooping head phenomenon of curtain wall beam, and first connecting mechanism, second connecting mechanism, third connecting mechanism and fourth connecting mechanism are evenly distributed at the corner of the connection of steel structure curtain wall, can effectively disperse the stress caused by thermal expansion and cold shrink, avoid the damage caused by the excessive stress of single connecting point, and the design of butt joint bar and butt joint slot ensures the accurate butt joint between each component, when the steel structure curtain wall is subjected to external force, the butt joint slot can disperse stress, prevent the damage of connecting part caused by stress concentration, and the stress dispersion effect helps to improve the bearing capacity and durability of the whole curtain wall structure. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 The overall structure schematic diagram of the connecting device of the utility model is shown.
[0016] Fig. 2 The first connecting mechanism structure schematic diagram of the connecting device of the utility model is shown.
[0017] Fig. 3 The second connecting mechanism structure schematic diagram of the connecting device of the utility model is shown.
[0018] Fig. 4 The overall assembly schematic diagram of the connecting device of the utility model is shown.
[0019] Mark explanation: 1, first connecting mechanism, 2, second connecting mechanism, 3, third connecting mechanism, 4, fourth connecting mechanism, 5, bolt sleeve, 6, threaded bolt hole, 7, threaded bolt shaft, 8, hexagonal lock cap, 9, hexagonal lock groove, 10, first connecting plate, 11, first connecting lock hole, 12, second connecting plate, 13, second connecting lock hole, 14, butt joint bar, 15, positioning lock hole, 16, first support rod, 17, third connecting plate, 18, fourth connecting plate, 19, butt joint hole, 20, butt joint bar, 21, butt joint slot, 22, third connecting lock hole, 23, second support rod, 24, fourth connecting lock hole. DETAILED DESCRIPTION
[0020] The utility model will be further explained in connection with the drawings and examples.
[0021] Please refer to Figs. 1-4The utility model provides a kind of connecting device for steel structure curtain wall: a kind of connecting device for steel structure curtain wall, including first connecting mechanism 1, second connecting mechanism 2, third connecting mechanism 3 and fourth connecting mechanism 4;The side of first connecting mechanism 1 is equipped with second connecting mechanism 2, first connecting mechanism 1 and second connecting mechanism 2 are oppositely arranged, and the diagonal of first connecting mechanism 1 is equipped with the third connecting mechanism 3 identical with first connecting mechanism 1, the diagonal of second connecting mechanism 2 is equipped with the fourth connecting mechanism 4 identical with second connecting mechanism 2, and first connecting mechanism 1, second connecting mechanism 2, third connecting mechanism 3 and fourth connecting mechanism 4 are distributed in the connecting corner of steel structure curtain wall;First connecting mechanism 1 includes first connecting plate 10, one end of first connecting plate 10 is equipped with second connecting plate 12, first connecting plate 10 and second connecting plate 12 are L-shaped arrangement, and second connecting mechanism 2 includes third connecting plate 17, one end of third connecting plate 17 is equipped with fourth connecting plate 18, and third connecting plate 17 and fourth connecting plate 18 are L-shaped arrangement.
[0022] Please refer to Figs. 1-2 In the embodiment, first lock hole and second lock hole are equipped with the sleeve 5, the end of sleeve 5 is equipped with threaded bolt hole 6, the inside of threaded bolt hole 6 is equipped with threaded bolt shaft 7, the end of threaded bolt shaft 7 away from threaded bolt hole 6 is equipped with hexagonal lock cap 8, the end of hexagonal lock cap 8 away from threaded bolt shaft 7 is equipped with hexagonal lock groove 9, by the combination of threaded bolt shaft 7 and sleeve 5, so that when installing, staff can tighten threaded bolt shaft 7 along threaded bolt hole 6 in sleeve 5, thereby connecting each component together, while the design of sleeve 5 increases the contact area of connecting point, thereby improve the strength and stability of connection, so as to effectively disperse stress, prevent the damage of connecting component due to local stress too large.
[0023] Please refer to Figs. 2-3In the embodiment, the first connecting plate 10 is provided with a butt plug strip 14 below the edge of one end close to the second connecting plate 12, the surface of the butt plug strip 14 is symmetrically provided with two groups of positioning lock holes 15, the surface of the third connecting plate 17 is symmetrically provided with two groups of butt clamping strips 20, the butt clamping strips 20 are provided with a butt clamping groove 21 corresponding to the butt plug strip 14, the surface of the butt clamping groove 21 is symmetrically provided with two groups of third connecting lock holes 22 corresponding to the positioning lock holes 15, the third connecting lock holes 22 are concentrically arranged with the first connecting lock holes 11, the butt clamping groove 21 is provided with a butt plug hole 19 close to one end of the fourth connecting plate 18, one end of the butt plug strip 14 extends into the interior of the butt clamping groove 21 through the butt plug hole 19, the butt plug strip 14 is combined with the butt clamping groove 21, so that the butt clamping groove 21 can provide effective fixing and supporting when the butt plug strip 14 is completely inserted into the butt clamping groove 21, which helps to prevent the connecting part from being displaced or falling off during installation or use, thereby ensuring the stability and safety of the entire connecting structure, and the butt clamping groove 21 can disperse stress when the steel structure curtain wall is subjected to external force, preventing damage to the connecting part caused by stress concentration, which helps to improve the carrying capacity and durability of the entire curtain wall structure.
[0024] Please refer to Figs. 3-4 In the embodiment, the surface of the first connecting plate 10 is symmetrically provided with two groups of first connecting lock holes 11, the surface of the second connecting plate 12 is symmetrically provided with two groups of second connecting lock holes 13, two groups of first supporting rods 16 are symmetrically arranged between the first connecting plate 10 and the second connecting plate 12, the surface of the fourth connecting plate 18 is symmetrically provided with two groups of fourth connecting lock holes 24 corresponding to the second connecting lock holes 13, two groups of second supporting rods 23 are symmetrically arranged between the third connecting plate 17 and the fourth connecting plate 18, the first supporting rods 16 and the second supporting rods 23 are combined, so that the stability of the connecting part is further enhanced by the arrangement of the two groups of first supporting rods 16 and second supporting rods 23, which provides additional support for the curtain wall and prevents the connecting mechanism from deforming or falling off under stress.
[0025] When working, the workers first place the first connecting mechanism 1 and the third connecting mechanism 3 along the diagonal connecting part of the steel structure curtain wall, and then place the second connecting mechanism 2 and the fourth connecting mechanism 4 along the diagonal line between the first connecting mechanism 1 and the third connecting mechanism 3.
[0026] Then, the first connecting mechanism 1, the second connecting mechanism 2, the third connecting mechanism 3 and the fourth connecting mechanism 4 are sequentially connected in series through the threaded bolt shaft 7 and the bolt sleeve 5 to form a stable quadrilateral connecting structure.
[0027] When the curtain wall is subjected to external force, each connecting mechanism in the connecting device and the supporting rod will share the force together. Since each connecting mechanism is arranged in an L shape and is tightly connected together through the threaded bolt shaft 7 and the bolt sleeve 5, it can effectively resist the torsional force and the shearing force. At the same time, the presence of the supporting rod also enhances the stability of the connection, preventing the connecting mechanism from deforming or falling off when subjected to force.
[0028] Through the above steps, the first connecting mechanism 1, the second connecting mechanism 2, the third connecting mechanism 3, and the fourth connecting mechanism 4 are combined to connect the steel structure curtain wall. First, the first connecting mechanism 1 and the third connecting mechanism 3 are placed along the diagonal connection of the steel structure curtain wall. Then, the third connecting mechanism 3 and the fourth connecting mechanism 4 are placed along the diagonal line between the first connecting mechanism 1 and the third connecting mechanism 3. Next, the first connecting mechanism 1, the second connecting mechanism 2, the third connecting mechanism 3, and the fourth connecting mechanism 4 are connected in sequence to connect the steel structure curtain wall together. The combination of the first connecting mechanism 1, the second connecting mechanism 2, the third connecting mechanism 3, and the fourth connecting mechanism 4 forms a stable quadrilateral connecting structure. This structure can more effectively disperse and resist torsional force when subjected to torsional force, thereby avoiding the phenomenon of torsion or sagging of the curtain wall beam.
Claims
1. A connecting device for steel structure curtain walls, comprising a first connecting mechanism (1); characterized in that: It also includes a second connecting mechanism (2), a third connecting mechanism (3), and a fourth connecting mechanism (4); the second connecting mechanism (2) is matched on one side of the first connecting mechanism (1), the first connecting mechanism (1) and the second connecting mechanism (2) are arranged opposite each other, the third connecting mechanism (3) is matched at the diagonal of the first connecting mechanism (1), and the fourth connecting mechanism (4) is matched at the diagonal of the second connecting mechanism (2). The first connecting mechanism (1) and the second connecting mechanism (2) are matched at the diagonal of the second connecting mechanism (2). (2) The third connecting mechanism (3) and the fourth connecting mechanism (4) are evenly distributed at the corner of the connection of the steel structure curtain wall; the first connecting mechanism (1) includes a first connecting plate (10), and a second connecting plate (12) is provided at one end of the first connecting plate (10). The first connecting plate (10) and the second connecting plate (12) are arranged in an L-shape. The second connecting mechanism (2) includes a third connecting plate (17), and a fourth connecting plate (18) is provided at one end of the third connecting plate (17). The third connecting plate (17) and the fourth connecting plate (18) are arranged in an L-shape.
2. A connection device for steel structure curtain walls according to claim 1, characterized in that: The surface of the first connecting plate (10) is symmetrically provided with two sets of first connecting lock holes (11), the surface of the second connecting plate (12) is symmetrically provided with two sets of second connecting lock holes (13), and two sets of first support rods (16) are symmetrically mounted between the first connecting plate (10) and the second connecting plate (12).
3. A connection device for steel structure curtain walls according to claim 2, characterized in that: The first connecting plate (10) has a mating strip (14) below one end edge near the second connecting plate (12), and two sets of positioning lock holes (15) are symmetrically opened on the surface of the mating strip (14).
4. A connection device for steel structure curtain walls according to claim 1, characterized in that: The surface of the third connecting plate (17) is symmetrically provided with two sets of docking strips (20), and a docking slot (21) for a corresponding docking insert (14) is provided between the two sets of docking strips (20).
5. A connection device for steel structure curtain walls according to claim 4, characterized in that: The surface of the docking slot (21) is symmetrically provided with two sets of third connecting lock holes (22) corresponding to the positioning lock holes (15). The third connecting lock holes (22) are concentrically arranged with the first connecting lock holes (11). The docking slot (21) is provided with a docking insertion hole (19) at one end near the fourth connecting plate (18). One end of the docking insertion strip (14) passes through the docking insertion hole (19) and extends into the interior of the docking slot (21).
6. A connection device for steel structure curtain walls according to claim 5, characterized in that: The surface of the fourth connecting plate (18) is symmetrically provided with two sets of fourth connecting lock holes (24) corresponding to the second connecting lock holes (13), and two sets of second support rods (23) are symmetrically mounted between the third connecting plate (17) and the fourth connecting plate (18).
7. A connection device for steel structure curtain walls according to claim 5, characterized in that: Both the first and second lock holes are equipped with a bolt sleeve (5). A threaded bolt hole (6) is provided at the center of one end of the bolt sleeve (5). A threaded bolt shaft (7) is provided inside the threaded bolt hole (6). A hexagonal lock cap (8) is provided at the end of the threaded bolt shaft (7) away from the threaded bolt hole (6). A hexagonal lock groove (9) is provided at the end of the hexagonal lock cap (8) away from the threaded bolt shaft (7).