A closed cavity curtain wall system

Abstract

The application discloses a closed cavity curtain wall system, which comprises a keel, a curtain wall plate, a pressing plate and a pull-anchor connecting piece. The keel is formed with a boss on a bearing surface, which extends out of the main profile of the keel. The main profile of the keel and the profile of the boss are provided with a closed section, which forms a continuous surface on both sides of the bearing surface of the boss and ensures that the inner cavity of the main profile of the keel is a closed cavity. The curtain wall plate is borne on the bearing surface of the keel, the pressing plate is arranged on the curtain wall plate, and the pull-anchor connecting piece is arranged on the pressing plate and connected with the boss. The curtain wall system has the advantages of stable and reliable structure, high strength and safety, slender product and beautiful appearance.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of building doors and windows, and particularly relates to a closed cavity curtain wall system. BACKGROUND

[0002] The curtain wall generally comprises a steel curtain wall and an aluminum curtain wall, and the aluminum curtain wall is easy to be formed and manufactured, but does not have fireproof performance. The existing steel curtain wall comprises a steel keel, a steel pressing plate, a glass plate and a bolt, the glass plate is connected with the steel keel through the steel pressing plate and the bolt, and sealing glue is applied between the glass plate, the steel keel and the steel pressing plate to ensure sealing performance and connection strength.

[0003] In the prior art, in order to ensure that the bolt and the steel keel form a non-broken wall connection form, an inner expansion groove is formed on the steel keel, a pull anchor nut is arranged in the inner expansion groove, and then the bolt is connected with the pull anchor nut to form the final fastening. In the steel keel with this structure, the inner expansion groove is inside the main contour of the steel keel, on the one hand, the inner expansion groove will cause a certain loss of strength of the steel keel, which causes a safety hazard to the stability of the overall curtain wall; on the other hand, in order to ensure sufficient bearing capacity of the glass plate, the width of the inner expansion groove will increase the overall width of the steel keel, so that the steel keel itself cannot be slimmed, which affects the visual effect of the overall curtain wall. SUMMARY

[0004] The present application aims to overcome the shortcomings of the prior art, and provide a closed cavity curtain wall system which is stable and reliable in structure, high in strength and safety, slim in product, and beautiful in appearance.

[0005] To solve the above technical problems, the present application adopts the following technical solutions:

[0006] A closed cavity curtain wall system comprises a keel, a curtain wall plate, a pressing plate and a pull anchor connecting piece, the keel is formed with a boss extending out of the main contour of the keel on the bearing surface, the main contour of the keel and the boss contour have a closed section to form a continuous surface on both sides of the bearing surface of the boss and ensure that the inner cavity of the main contour of the keel is a closed cavity, the curtain wall plate is borne on the bearing surface of the keel, the pressing plate is arranged on the curtain wall plate, and the pull anchor connecting piece is arranged on the pressing plate and connected with the boss in a pull anchor manner.

[0007] As a further improvement of the above technical solutions:

[0008] The pull anchor connecting piece comprises a locking bolt and a pull anchor block, the pull anchor block is connected with the boss, and the locking bolt is arranged on the pressing plate and threadedly connected with the pull anchor block.

[0009] The boss is provided with an inner expansion accommodating groove at the top, the pull anchor block is arranged in the inner expansion accommodating groove and threadedly connected with the locking bolt to form a pull anchor.

[0010] The two side walls and the two top walls of the inner expansion accommodation groove are double-wall structures formed by bending.

[0011] The two side walls and the two top walls of the inner expansion accommodation groove are single-wall structures.

[0012] The two top walls of the inner expansion accommodation groove are arranged obliquely, and the two obliquely arranged top walls form a barrier to the pull anchor block.

[0013] The two top walls of the inner expansion accommodation groove are arranged vertically, and the two vertically arranged top walls form a barrier to the pull anchor block.

[0014] The bottom of the pull anchor block is provided with an inner expansion pull groove, the top of the boss is arranged in the inner expansion pull groove, and the pull anchor block is threadedly connected with the locking bolt to form a pull anchor.

[0015] The inner expansion pull groove is arranged as a prismatic groove, and the top of the boss is provided with a prismatic protrusion matched with the prismatic groove.

[0016] The inner expansion pull groove is arranged as a T-shaped groove, and the top of the boss is provided with a horizontal plate matched with the horizontal groove of the T-shaped groove.

[0017] The bottom of the T-shaped groove is provided with a vertical groove, and the bottom of the horizontal plate is provided with a vertical plate matched with the vertical groove.

[0018] Compared with the prior art, the advantages of the present application are:

[0019] The closed cavity curtain wall system of the present application comprises a keel, a curtain wall plate, a pressing plate and a pull anchor connecting piece, the keel is formed with a boss extending out of the main contour of the keel on the bearing surface, the main contour of the keel and the contour of the boss have a closed section for forming a continuous surface on both sides of the bearing surface of the boss and ensuring that the inner cavity of the main contour of the keel is a closed cavity, the curtain wall plate is borne on the bearing surface of the keel, the pressing plate is pressed on the curtain wall plate, and the pull anchor connecting piece is arranged through the pressing plate and connected with the boss. During installation, the curtain wall plate is first borne on the bearing surface of the keel, then the pressing plate is pressed on the curtain wall plate, and finally the pull anchor connecting piece is arranged through the pressing plate and connected with the boss. Compared with the traditional structure, the pull anchor connecting position of the curtain wall system is moved outward to the boss, that is, the connecting node is outside the main contour of the keel, which does not cause the loss of strength of the keel, improves the stability and safety of the overall curtain wall, the extended boss does not occupy the width of the bearing surface, so that the keel can be made thin, the appearance is beautiful and attractive, and the visual effect of the overall curtain wall is improved. Further, the main contour of the keel and the contour of the boss have a closed section for forming a continuous surface on both sides of the bearing surface of the boss and ensuring that the inner cavity of the main contour of the keel is a closed cavity, so that the inner cavity of the main contour of the keel is a closed cavity, which is equivalent to a closed pipe structure, greatly improving the strength of the main contour of the keel. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1is a structural schematic diagram of the closed cavity curtain wall system embodiment 1 of the present application.

[0021] Figure 2 is a structural schematic diagram of the closed cavity curtain wall system embodiment 2 of the present application.

[0022] Figure 3 is a structural schematic diagram of the closed cavity curtain wall system embodiment 3 of the present application.

[0023] Figure 4 is a structural schematic diagram of the closed cavity curtain wall system embodiment 4 of the present application.

[0024] Figure 5 is a structural schematic diagram of the closed cavity curtain wall system embodiment 5 of the present application.

[0025] Figure 6 is a structural schematic diagram of the closed cavity curtain wall system embodiment 6 of the present application.

[0026] The various reference signs in the drawings represent:

[0027] 1, keel; 11, boss; 111, inner expansion accommodation groove; 12, closed section; 2, curtain wall plate; 3, pressing plate; 4, pull anchor connecting piece; 41, locking bolt; 42, pull anchor block; 421, inner expansion pull groove. DETAILED DESCRIPTION

[0028] The present application will be further described in detail below in combination with the drawings of the specification and specific embodiments.

[0029] Embodiment 1:

[0030] As Figure 1As shown, the first embodiment of the closed cavity curtain wall system of the present application comprises a keel 1, a curtain wall plate 2, a pressing plate 3 and a pull anchor connecting piece 4. The keel 1 is formed with a boss 11 extending out of the main profile of the keel 1 on the bearing surface. The main profile of the keel 1 and the profile of the boss 11 are provided with a closing section 12 to form a continuous surface on both sides of the bearing surface of the boss 11 and ensure that the inner cavity of the main profile of the keel 1 is a closed cavity. The curtain wall plate 2 is borne on the bearing surface of the keel 1. The pressing plate 3 is pressed on the curtain wall plate 2. The pull anchor connecting piece 4 is arranged on the pressing plate 3 and connected with the boss 11. During installation, the curtain wall plate 2 is first borne on the bearing surface of the keel 1, then the pressing plate 3 is pressed on the curtain wall plate 2, and finally the pull anchor connecting piece 4 is arranged on the pressing plate 3 and connected with the boss 11. Compared with the traditional structure, the pull anchor connecting position of the curtain wall system is moved to the boss 11, i.e. the connecting node is outside the main profile of the keel 1, which does not cause the keel 1 to lose strength and improves the stability and safety of the overall curtain wall. The extended boss 11 does not occupy the width of the bearing surface, so that the keel 1 can be made thin and the appearance is beautiful and attractive, which improves the visual effect of the overall curtain wall. Further, the main profile of the keel 1 and the profile of the boss 11 are provided with the closing section 12 to form a continuous surface on both sides of the bearing surface of the boss 11 and ensure that the inner cavity of the main profile of the keel 1 is a closed cavity, so that the inner cavity of the main profile of the keel 1 is a closed cavity, which is equivalent to that the main profile of the keel 1 is a closed pipe structure, greatly improving the strength of the main profile of the keel 1.

[0031] In this embodiment, the pull anchor connecting piece 4 comprises a locking bolt 41 and a pull anchor block 42. The pull anchor block 42 is connected with the boss 11, and the locking bolt 41 is arranged on the pressing plate 3 and threadedly connected with the pull anchor block 42. In this structure, the pull anchor block 42 is connected with the boss 11, and the locking bolt 41 is arranged on the pressing plate 3 and threadedly connected with the pull anchor block 42, which is simple and reliable in structure.

[0032] In this embodiment, the boss 11 is provided with an inner expansion accommodation groove 111 at the top, and the pull anchor block 42 is arranged in the inner expansion accommodation groove 111 and threadedly connected with the locking bolt 41 to form a pull anchor. In this structure, the pull anchor block 42 is arranged in the inner expansion accommodation groove 111 to form a pull anchor, and then the locking bolt 41 is threadedly connected to form a pull anchor, which is simple and reliable in structure.

[0033] In this embodiment, the two side walls and two top walls of the inner expansion accommodation groove 111 are double-wall structures formed by bending. The inner expansion accommodation groove 111 with double-wall structure greatly improves the tensile performance.

[0034] In this embodiment, when the boss 11 is vertically placed, the boss 11 limits the two ends of the curtain wall plate 2 on both sides to prevent the curtain wall plate 2 from moving; when the boss 11 is horizontally placed, the boss 11 supports the curtain wall plate 2.

[0035] Embodiment 2:

[0036] As Figure 2 shown in FIG. 4, the second embodiment of the closed cavity curtain wall system of the present application is basically the same as the first embodiment, except that in this embodiment, the two side walls and the two top walls of the inner expansion accommodating groove 111 are single-walled structures. This arrangement makes the channel 1 an open profile, which can form a pull anchor using the open end, without the need for welding, greatly reducing the cost.

[0037] In this embodiment, the two top walls of the inner expansion accommodating groove 111 are inclined, and the two inclined top walls form a barrier to the pull anchor block 42. The structure is simple and reliable.

[0038] Embodiment 3:

[0039] As Figure 3 shown in FIG. 5, the third embodiment of the closed cavity curtain wall system of the present application is basically the same as the second embodiment, except that in this embodiment, the two top walls of the inner expansion accommodating groove 111 are vertical, and the two vertical top walls form a barrier to the pull anchor block 42. The structure is simple and reliable.

[0040] Embodiment 4:

[0041] As Figure 4 shown in FIG. 6, the fourth embodiment of the closed cavity curtain wall system of the present application is basically the same as the first embodiment, except that in this embodiment, the pull anchor block 42 has an inner expansion pull groove 421 at the bottom, and the boss 11 is placed in the inner expansion pull groove 421, and the pull anchor block 42 is threadedly connected with the locking bolt 41 to form a pull anchor. In this structure, the boss 11 is placed in the inner expansion pull groove 421, i.e. the inner expansion pull groove 421 is arranged on the pull anchor block 42, so that the boss 11 can be slimmed down, the pull anchor block 42 is threadedly connected with the locking bolt 41 to form a pull anchor, the overall structure is reliable, and the visual effect is improved.

[0042] In this embodiment, the inner expansion pull groove 421 is arranged as a prismatic groove, and the boss 11 has a prismatic protrusion at the top that cooperates with the prismatic groove. The structure is simple and reliable.

[0043] Embodiment 5:

[0044] As Figure 5 shown in FIG. 7, the fifth embodiment of the closed cavity curtain wall system of the present application is basically the same as the fourth embodiment, except that in this embodiment, the inner expansion pull groove 421 is arranged as a T-shaped groove, and the boss 11 has a horizontal plate at the top that cooperates with the horizontal groove of the T-shaped groove. The structure is simple and reliable.

[0045] Embodiment 6:

[0046] As Figure 6As shown in the sixth embodiment of the closed cavity curtain wall system of the present application, the curtain wall system is basically the same as that of the embodiment 5, with the difference that in the present embodiment, a vertical groove is formed in the bottom of the T-shaped groove, and a vertical plate is arranged at the bottom of the horizontal plate to cooperate with the vertical groove. The structure is simple and reliable.

[0047] Although the present application has been disclosed with the preferred embodiments as above, it is not intended to limit the present application. Any person skilled in the art can make many possible changes and modifications to the technical solutions of the present application, or modify equivalent embodiments with equivalent changes, without departing from the scope of the technical solutions of the present application, by using the technical contents disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application, without departing from the content of the technical solutions of the present application, shall fall within the scope of protection of the technical solutions of the present application.

Claims

1. A closed-cavity curtain wall system, characterized in that: The system includes a keel (1), a curtain wall panel (2), a pressure plate (3), and a tie anchor (4). The keel (1) has a boss (11) extending out of the main outline of the keel (1) on its bearing surface. The main outline of the keel (1) and the outline of the boss (11) have a closed section (12) that makes the bearing surfaces on both sides of the boss (11) form a continuous surface and ensures that the inner cavity of the main outline of the keel (1) is a closed cavity. The curtain wall panel (2) is supported on the bearing surface of the keel (1). The pressure plate (3) is pressed on the curtain wall panel (2). The tie anchor (4) passes through the pressure plate (3) and forms a tie anchor connection with the boss (11). The anchor connector (4) includes a locking bolt (41) and an anchor block (42). The anchor block (42) is connected to the boss (11). The locking bolt (41) passes through the pressure plate (3) and is threadedly connected to the anchor block (42). The bottom of the anchor block (42) is provided with an inner expansion groove (421), the top of the boss (11) is placed in the inner expansion groove (421), and the anchor block (42) is threadedly connected to the locking bolt (41) to form an anchor.

2. The closed-cavity curtain wall system according to claim 1, characterized in that: The inner expansion groove (421) is configured as a prismatic groove, and the top of the boss (11) is provided with a prismatic protrusion that cooperates with the prismatic groove.

3. The closed-cavity curtain wall system according to claim 1, characterized in that: The inner expansion groove (421) is configured as a T-shaped groove, and the top of the boss (11) is provided with a horizontal plate that cooperates with the horizontal groove of the T-shaped groove.

4. The closed-cavity curtain wall system according to claim 3, characterized in that: The bottom of the T-shaped groove has a vertical groove, and the bottom of the horizontal plate has a vertical plate that cooperates with the vertical groove.

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