Metal curtain wall system

Abstract

The invention relates to the technical field of building outer walls, in particular to a metal curtain wall system which comprises a curtain wall unit, the curtain wall unit comprises an inner plate, an outer plate, a first filling part and an outer frame module, a U-shaped buckle plate is sunken towards a filling cavity, and the two ends of the U-shaped buckle plate are correspondingly connected with two connecting grooves in an inserted mode; the U-shaped buckle plate is arranged to be of various width models, the first filling piece is arranged to be of various thickness models matched with the width models of the U-shaped buckle plate, and the curtain wall unit has the advantages that stepless adjustment of the thickness of the curtain wall unit is achieved by replacing the matched first filling piece and the U-shaped buckle plate, and then the use flexibility of the curtain wall unit is greatly improved; in addition, the inner plate and the outer plate are further connected through the outer frame module, due to the fact that the parts, connected with the inner plate and the outer plate, of the outer frame module are the first sectional material and the second sectional material which have the heat preservation and heat insulation capacity, heat transmitted by the part of heat transmission paths can be greatly reduced, and the heat preservation performance of the curtain wall unit is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of building exterior walls, and particularly to a metal curtain wall system. Background Art

[0002] In the field of architecture, with the continuous improvement of requirements for building energy efficiency, aesthetics, and construction efficiency, traditional curtain wall systems have gradually been unable to meet the design and functional requirements of modern buildings.

[0003] For example, the invention patent with the application number CN112554400A discloses a detachable framed metal curtain wall sandwich panel, which includes a thermal insulation board, aluminum profiles, and a metal outer board. The aluminum profiles are arranged around the outer periphery of the side of the thermal insulation board, and tenon and mortise connections are used between adjacent aluminum profiles. The metal outer board is arranged on the front and back surfaces of the thermal insulation board, and a folded edge for connecting the aluminum profiles is provided at the outer edge of the metal outer board.

[0004] In this technical solution, adjacent aluminum profiles need to be riveted, which greatly reduces the assembly efficiency of the metal curtain wall; the thickness of the metal curtain wall cannot be adjusted flexibly and steplessly, which limits the flexibility of use of the metal curtain wall. Summary of the Invention

[0005] (1) Technical Problems to be Solved

[0006] In view of the above-mentioned disadvantages and deficiencies of the prior art, the present invention provides a metal curtain wall system, which solves the technical problems of low assembly efficiency and poor flexibility of use of the metal curtain wall in the prior art.

[0007] (2) Technical Solutions

[0008] In order to achieve the above object, the main technical solutions adopted by the present invention include:

[0009] In a first aspect, the present invention provides a metal curtain wall system, which is suitable for being fixedly connected to a building exterior wall and includes curtain wall units. Each curtain wall unit includes an inner board, an outer board, a first filler, and an outer frame module. The inner board and the outer board are arranged in parallel at an interval; four groups of outer frame modules are provided and are respectively connected to the edge positions of the inner board and the outer board. The inner board, the outer board, and the outer frame module enclose a rectangular filling cavity for the first filler; the outer frame module includes a first profile, a second profile, and a U-shaped buckle plate. The first profile and the second profile are respectively fixedly connected to the opposite side walls of the outer board and the inner board, and connection grooves are formed on the sides of both of them facing the filling cavity. The U-shaped buckle plate is recessed towards the filling cavity, and both ends are correspondingly inserted into the two connection grooves; the U-shaped buckle plate is provided in a variety of width models, and the first filler is provided in a variety of thickness models matching the width models of the U-shaped buckle plate.

[0010] In one technical solution of the present invention, both ends of two groups of opposite outer frame modules give way to both ends of another two groups of outer frame modules, so that the outer frame modules form a closed rectangular frame.

[0011] In one technical solution of the present invention, the outer edges of the inner plate and the outer plate both vertically extend towards the direction of the filling cavity to form bending parts, and thus the inner plate and the outer plate respectively form box shapes with openings on one opposite side.

[0012] In one technical solution of the present invention, the outer edges of the two opposite bending parts of the outer plate also extend towards the direction of approaching each other to form inwardly retracted parts, so as to cooperate with the bending parts and the outer plate to form a U-shaped groove for accommodating the second profile; the U-shaped groove corresponds to the second profile of the outer frame module that does not give way.

[0013] In one technical solution of the present invention, it further includes a connecting piece for connecting adjacent curtain wall units, and a keel fixed on the outer wall; the connecting piece includes a fixing clip and a connecting bolt; abutting parts are formed on the adjacent second profiles corresponding to adjacent curtain wall units, the fixing clip can be fixedly connected to the keel through the connecting bolt, and both sides of the fixing clip abut against the two abutting parts, and thus the curtain wall unit is pressed towards the direction close to the keel.

[0014] In one technical solution of the present invention, a first filling channel is formed between adjacent U-shaped buckles of adjacent curtain wall units; the metal curtain wall system further includes a second filling piece, and the second filling piece is filled in the first filling channel; both the first filling piece and the second filling piece are provided as rock wool.

[0015] In one technical solution of the present invention, a second filling channel communicating with the first filling channel is formed between adjacent outer plates of adjacent curtain wall units; the metal curtain wall system further includes a sealing piece, and the sealing piece seals the second filling channel.

[0016] In one technical solution of the present invention, the sealing piece includes a sealing rubber strip and an inner sealant, the inner sealant is filled in the inner side position of the second filling channel close to the second filling piece, the sealing rubber strip is filled in the outer side position of the second filling channel far from the inner sealant, and the sealing rubber strip is embedded in the inner sealant; or, the sealing piece includes a rod material and an outer sealant, the rod material is filled in the inner side position of the second filling channel close to the second filling piece, and the outer sealant is filled in the outer side position of the second filling channel far from the rod material.

[0017] In one technical solution of the present invention, heat insulation channels are formed inside both the first profile and the second profile; both the first profile and the second profile are made of glass fiber polyurethane material.

[0018] (III) Beneficial effects

[0019] The beneficial effects of the present invention are as follows: In the metal curtain wall system of the present invention, each outer frame module includes a first profile, a second profile, and a U-shaped fastener. The two ends of the U-shaped fastener are respectively inserted into the connection grooves on the corresponding first profile and second profile, thereby realizing the reliable connection of the inner and outer profiles, and at the same time ensuring the integrity and sealing of the structure.

[0020] The outer frame module adopts a plug-in assembly method, which has the advantage of simple structure. Moreover, two opposite outer frame modules can be replaced with each other, reducing the process cost. When assembling the curtain wall unit, the outer frame module can be assembled first, and then the outer frame module, the inner plate, the outer plate, and the first filler can be assembled, which is beneficial to improving the assembly efficiency.

[0021] The U-shaped fastener is set in a variety of width models, and the first filler is set in a variety of thickness models that match the width models of the U-shaped fastener. In this way, without replacing the inner plate, the outer plate, the first profile, and the second profile, by replacing the first filler and the U-shaped fastener that match each other, the stepless adjustment of the thickness of the curtain wall unit can be realized, thereby greatly improving its use flexibility. While realizing the high customization of the thickness of the curtain wall system, the production cost is saved by sharing the inner plate, the outer plate, the first profile, and the second profile.

[0022] In addition, the inner plate is closer to the building exterior wall than the outer plate. Therefore, the heat of the exterior wall will be transferred from the inner plate to the outer plate. Since the first filler is provided between the two, the heat transferred through this part of the heat transfer path is greatly reduced. The inner plate and the outer plate are also connected by the outer frame module. Since the components of the outer frame module connecting the inner plate and the outer plate are the first profile and the second profile that inherently have heat insulation and sound insulation capabilities, the heat transferred through this part of the heat transfer path will also be greatly reduced, thereby improving the heat insulation performance of the curtain wall unit. Under the same principle, not only the heat insulation performance is improved, but also the sound insulation performance is improved.

[0023] Moreover, the self-structural design form of the U-shaped fastener enables it to have strong structural bearing performance, which can greatly improve the overall stiffness of the curtain wall unit and reduce the requirements for the wall support structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is an axonometric structural schematic diagram of the metal curtain wall system of the present invention;

[0025] Figure 2 For the present invention Figure 1 exploded structural schematic diagram;

[0026] Figure 3 It is a front view structural schematic diagram of the metal curtain wall system of the present invention;

[0027] Figure 4 For the present invention Figure 2Schematic diagram of the left - view sectional structure;

[0028] Figure 5 This is for the present invention Figure 2 Schematic diagram of the top - view sectional structure;

[0029] Figure 6 Schematic diagram of the outer - frame module structure of the present invention;

[0030] Figure 7 One of the schematic diagrams of the structure of the connecting piece and the sealing piece positions of the present invention;

[0031] Figure 8 Two of the schematic diagrams of the structure of the connecting piece and the sealing piece positions of the present invention.

[0032]

Explanation of the reference numerals

[0033] 1: Inner plate;

[0034] 2: Outer plate;

[0035] B, Bending part; C, In - ward - shrinking part;

[0036] 3: First filling piece;

[0037] 4: Outer - frame module; 41, First profile; 42, Second profile; 43, U - shaped buckle plate; A, Connecting groove;

[0038] 5: Connecting piece; 51, Fixed clamping piece; 52, Connecting bolt; D, Abutting part;

[0039] 6, Second filling piece;

[0040] 7, Sealing piece;

[0041] 71, Sealing rubber strip; 74, Inner sealing glue;

[0042] 72, Rod material; 73, Outer sealing glue;

[0043] 8, Keel. Detailed implementation manners

[0044] For better explaining the present invention for easy understanding, the following combines the attached Figures 1-8 , and through specific implementation manners, makes a detailed description of the present invention. Among them, the orientation nouns such as "up" and "down" mentioned in this article are based on the Figure 1 orientation as a reference.

[0045] Example 1:

[0046] Refer to Figures 1-8, embodiments of the present invention provide a metal curtain wall system, which is suitable for being fixedly connected to the exterior wall of a building. The system includes curtain wall units, each of which comprises an inner panel 1, an outer panel 2, a first filler 3, and an outer frame module 4. The inner panel 1 and the outer panel 2 are arranged in parallel at intervals, and the inner panel 1 is closer to the exterior wall of the building than the outer panel 2;

[0047] Four groups of outer frame modules 4 are provided and are respectively connected to the edge positions of the inner panel 1 and the outer panel 2. The inner panel 1, the outer panel 2, and the outer frame module 4 enclose a rectangular filling cavity for the first filler 3;

[0048] Among them, the outer frame module 4 includes a first profile 41, a second profile 42, and a U-shaped buckle plate 43. The first profile 41 and the second profile 42 are respectively fixedly connected to the opposite side walls of the outer panel 2 and the inner panel 1, and a connecting groove A is formed on the side of each of them facing the filling cavity. The U-shaped buckle plate 43 is recessed towards the filling cavity, and both ends of the U-shaped buckle plate 43 are correspondingly inserted into the two connecting grooves A.

[0049] In this embodiment, the metal curtain wall system is suitable for being fixedly connected to the exterior wall of a building, and the overall structure is composed of a plurality of curtain wall units spliced together. Each curtain wall unit includes an inner panel 1, an outer panel 2, a first filler 3, and four outer frame modules 4. Among them, the inner panel 1 and the outer panel 2 are parallel to each other and arranged at a certain distance. The inner panel 1 is located on the side closer to the exterior wall of the building, while the outer panel 2 faces the outdoor environment and serves as an external protection and decoration.

[0050] The four outer frame modules 4 are respectively installed at the peripheral edge positions of the curtain wall unit to realize the stable connection between the inner panel 1 and the outer panel 2, and together with the two panels, they enclose a closed filling cavity for accommodating the first filler 3. The first filler 3 can be selected from heat-insulating, heat-insulating, or sound-insulating materials according to actual needs to enhance the functionality of the curtain wall system.

[0051] Furthermore, each outer frame module 4 includes a first profile 41, a second profile 42, and a U-shaped buckle plate 43. Among them, the first profile 41 is fixedly connected to the surface of the outer panel 2 facing the inner panel 1, and the second profile 42 is fixedly connected to the surface of the inner panel 1 facing the outer panel 2, and an adhesive connection form can be adopted. A special connecting groove A is provided on the side of each of them facing the filling cavity. Both ends of the U-shaped buckle plate 43 are respectively inserted into the connecting grooves A on the corresponding first profile 41 and second profile 42, thereby realizing the reliable connection of the inner and outer profiles and ensuring the integrity and sealing of the structure.

[0052] The outer frame module 4 adopts a plug-in assembly method, which has the advantage of simple structure. Moreover, two opposite outer frame modules 4 can be replaced with each other, reducing the process cost. When assembling the curtain wall unit, the outer frame module 4 can be assembled first, and then the outer frame module 4, the inner panel 1, the outer panel 2, and the first filler 3 can be assembled, which is beneficial to improving the assembly efficiency.

[0053] The U-shaped buckle plate 43 is provided in a variety of width models, and the first filler 3 is provided in a variety of thickness models that match the width models of the U-shaped buckle plate 43. Specifically, the width of the U-shaped buckle plate 43 refers to the span between its two side pins. In this way, without replacing the inner plate 1, the outer plate 2, the first profile 41, and the second profile 42, by replacing the matching first filler 3 and U-shaped buckle plate 43, the stepless adjustment of the thickness of the curtain wall unit can be realized, thereby greatly improving its flexibility in use. While achieving highly customized thickness of the curtain wall system, the production cost is saved by sharing the inner plate 1, the outer plate 2, the first profile 41, and the second profile 42.

[0054] In addition, the inner plate 1 is closer to the building exterior wall than the outer plate 2. Therefore, the heat of the exterior wall is transferred from the inner plate 1 to the outer plate 2. Since the first filler 3 is provided between the two, the heat transferred through this part of the heat transfer path is greatly reduced. The inner plate 1 and the outer plate 2 are also connected by the outer frame module 4. Since the components of the outer frame module 4 connecting the inner plate 1 and the outer plate 2 are the first profile 41 and the second profile 42 which themselves have heat insulation and heat preservation capabilities, the heat transferred through this part of the heat transfer path will also be greatly reduced, thereby improving the heat preservation performance of the curtain wall unit. Under the same principle, not only the heat preservation performance is improved, but also the sound insulation performance is improved.

[0055] Specifically, heat insulation channels are formed inside both the first profile 41 and the second profile 42. The heat insulation channels not only improve the heat insulation performance of the materials themselves, but also help to optimize their structural strength; the first profile 41 and the second profile 42 are both made of glass fiber polyurethane. Polyurethane itself is an excellent heat preservation material, with advantages such as low thermal conductivity, good mechanical strength, and durability. After adding glass fiber, not only can the dimensional stability of the material be improved, but also its mechanical strength and compressive performance can be further enhanced, while maintaining a low thermal conductivity to ensure efficient heat insulation effect.

[0056] More specifically, the outer plate 2 and the inner plate 1 are produced by special equipment, and stepless adjustment in the width range of 100 mm to 2200 mm and the length range of 100 mm to 12000 mm can be achieved, thereby breaking through the size limit of the largest unit of the metal curtain wall product and improving the applicability of the metal curtain wall system.

[0057] Embodiment 2:

[0058] Referring to Figure 1 and Figure 2 , in addition to having all the technical solutions of the above embodiments, the embodiments of the present invention further have the following technical solutions:

[0059] Both ends of two sets of opposite outer frame modules 4 give way to the two ends of another two sets of outer frame modules 4, so that the outer frame modules 4 form a closed rectangular frame.

[0060] In this embodiment, the two oppositely arranged outer frame modules 4 are designed with recesses at both ends thereof, so that the ends of the other two outer frame modules 4 located on adjacent sides can be smoothly inserted and achieve a closed connection in structure, thereby forming a stable and complete rectangular frame structure as a whole. This not only ensures the tight splicing between the outer frame modules 4 around the curtain wall unit and the accuracy of the geometric shape, but also effectively improves the structural stiffness and stability of the entire frame system.

[0061] In addition, on the basis of meeting the mechanical property requirements, the closed rectangular frame structure can also provide an accurate positioning basis for the subsequent assembly of the inner plate 1, the outer plate 2 and the filler, further ensuring the flatness, sealing performance and appearance consistency of the entire curtain wall unit, which is of great significance for improving the engineering quality and long-term service performance of the curtain wall system.

[0062] Embodiment 3:

[0063] Referring to Figures 1-8 , in addition to having all the technical solutions of the above embodiments, the embodiments of the present invention further have the following technical solutions:

[0064] The outer edges of the inner plate 1 and the outer plate 2 both vertically extend towards the filling cavity to form a bending portion B, so that the inner plate 1 and the outer plate 2 respectively form a box shape with an opening on one side.

[0065] In this embodiment, by vertically bending the edges of the inner plate 1 and the outer plate 2, the overall stiffness and bending resistance of the plate are increased, which helps to resist the influence of external wind pressure and other loads on the curtain wall unit and improves the stability of the system.

[0066] The bending portion B is closely matched with the outer frame module 4, which can effectively prevent external moisture, air, etc. from entering the module through the joint, enhancing the waterproof and airtight performance of the curtain wall unit, and playing an important role in improving the overall energy efficiency of the building.

[0067] The formed box-shaped structure provides a clearer boundary definition for the curtain wall unit, facilitating the accurate docking and positioning between components during on-site construction and reducing problems caused by assembly errors.

[0068] The neat and consistent bending design can make the curtain wall surface smoother and flatter, enhancing the overall aesthetic feeling of the building appearance and conforming to the trend of modern architectural design pursuing delicate details.

[0069] Although the bending step is added, this design actually simplifies the subsequent assembly process because it reduces the need for additional sealing materials or complex positioning parts, thereby reducing the production cost and accelerating the construction progress.

[0070] Embodiment 4:

[0071] Referring to Figures 1-8 , in addition to all the technical solutions of the above embodiments, the embodiments of the present invention further have the following technical solutions:

[0072] The outer edges of the lengths of the two opposite bending portions B of the outer plate 2 further extend towards each other to form an inwardly retracted portion C, so as to cooperate with the bending portion B and the outer plate 2 to form a U-shaped groove for accommodating the second profile 42; the U-shaped groove corresponds to the second profile 42 of the outer frame module 4 that does not yield.

[0073] In this embodiment, by forming a U-shaped groove to accommodate the second profile 42, it is ensured that the second profile 42 can be closely attached to the inside of the outer plate 2, thereby effectively blocking the heat conduction path and further improving the heat insulation performance of the curtain wall unit. At the same time, since the second profile 42 is fixed in the U-shaped groove, its position is more stable, not easily displaced or damaged due to external factors, and it can also provide more accurate positioning for the assembly process of the corresponding second profile 42. During the installation process, only by accurately inserting the second profile 42 into the U-shaped groove can the fixing be completed, greatly simplifying the assembly steps and further improving the work efficiency.

[0074] The combined use of the U-shaped groove and the second profile 42 not only enhances the structural strength of the curtain wall unit itself but also further improves the sealing performance of the system, preventing air and moisture from penetrating into the building interior.

[0075] Embodiment 5:

[0076] Referring to Figures 1-8 , in addition to all the technical solutions of the above embodiments, the embodiments of the present invention further have the following technical solutions:

[0077] The metal curtain wall system further includes a connecting member 5 for connecting adjacent curtain wall units and a keel 8 fixed to the exterior wall;

[0078] The connecting member 5 includes a fixing clip 51 and a connecting bolt 52;

[0079] Abutting portions D are formed on the adjacent second profiles 42 corresponding to adjacent curtain wall units. The fixing clip 51 can be fixedly connected to the keel 8 through the connecting bolt 52, and both sides of the fixing clip 51 abut against the two abutting portions D, thereby pressing the curtain wall unit towards the keel 8.

[0080] In this embodiment, the metal curtain wall system further includes a connection component for connecting adjacent curtain wall units and a keel 8 structure fixedly installed on the exterior wall of the building. The abutting portion D serves as a positioning and force-bearing structure, providing a stable supporting surface for the fixing clip 51. The fixing clip 51 is firmly fixed to the keel 8 through a connection bolt 52, and its two sides are in close contact with the abutting portions D on two adjacent second profiles 42 respectively, forming an effective force transmission path. This enables the fixing clip 51 not only to achieve a firm connection with the keel 8 but also to apply a pressure towards the keel 8 direction to the two adjacent curtain wall units, thereby pressing the entire curtain wall unit tightly against the exterior wall, ensuring the stability of the overall system and its wind resistance ability, especially suitable for high-rise buildings or building environments with large wind loads.

[0081] Specifically, the abutting portion D and the fixing clip 51 can be set as a mutually matching engaging structure, such as a mutually matching concave-convex structure, to further improve the positioning accuracy and the stability after the cooperation between the abutting portion D and the fixing clip 51.

[0082] Embodiment 6:

[0083] Referring to Figures 1-8 , in addition to having all the technical solutions of the above embodiments, the embodiments of the present invention further have the following technical solutions:

[0084] A first filling channel is formed between the adjacent U-shaped buckle plates 43 of adjacent curtain wall units;

[0085] The metal curtain wall system further includes a second filling member 6, and the second filling member 6 is filled in the first filling channel;

[0086] Both the first filling member 3 and the second filling member 6 are set as rock wool.

[0087] In this embodiment, the first filling member 3 and the second filling member 6 cooperate to form a complete filling system. The setting of the second filling member 6 can effectively reduce the heat transfer amount in the first filling channel, improving the heat insulation and sound insulation performance of the metal curtain wall system. At the same time, it can also prevent air, rainwater, impurities, etc. from contacting the connection component from the seams between the curtain wall units, effectively ensuring the service life of the connection component and improving the system airtightness. The filled joint area is more flat and unified, which helps to achieve the neat and beautiful appearance of the overall curtain wall; the rock wool filling can, to a certain extent, buffer the small displacements between adjacent units, thereby improving the adaptability of the system to external loads such as wind pressure and temperature changes.

[0088] Embodiment 7:

[0089] Referring to Figures 1-8 , in addition to having all the technical solutions of the above embodiments, the embodiments of the present invention further have the following technical solutions:

[0090] A second filling channel communicating with the first filling channel is formed between adjacent outer plates 2 of adjacent curtain wall units;

[0091] The metal curtain wall system further includes a sealing member 7, and the sealing member 7 seals the second filling channel.

[0092] In this embodiment, the second filling channel is not only connected to the first filling channel, but also further improves the airtightness of the system through the sealing member 7, thereby further improving the heat preservation and heat insulation capabilities of the metal curtain wall system. At the same time, it helps to stabilize the connection between adjacent curtain wall units, reduce displacement or deformation caused by temperature changes or wind pressure, and enhance the overall structural stability of the curtain wall system.

[0093] The sealing member 7 includes a sealing strip 71 and an inner sealant 74. The inner sealant 74 is filled in the inner position of the second filling channel close to the second filling member 6, the sealing strip 71 is filled in the outer position of the second filling channel far from the inner sealant 74, and the sealing strip 71 is embedded in the inner sealant 74; or,

[0094] The sealing member 7 includes a rod material 72 and an outer sealant 73. The rod material 72 is filled in the inner position of the second filling channel close to the second filling member 6, and the outer sealant 73 is filled in the outer position of the second filling channel far from the rod material 72.

[0095] In this embodiment, the sealing member 7 can adopt one of the following two methods to achieve good performance.

[0096] In the first method, the sealing member 7 includes a sealing strip 71 and an inner sealant 74. One end of the sealing strip 71 is designed to be able to be embedded in the inner sealant 74 and closely fit with the inner sealant 74, thereby establishing a continuous sealing barrier from the inside to the outside; the other part of the sealing strip 71 is stuffed into the second filling channel to externally seal the gap between the adjacent outer plates 2. This structure not only improves the airtightness and watertightness of the entire joint area, but also can absorb small displacements caused by temperature changes or wind loads to a certain extent, preventing seal failure.

[0097] In the second method, the sealing member 7 is composed of a combination of a rod material 72 and an outer sealant 73. Among them, the rod material 72 is arranged on one side of the second filling channel close to the second filling member 6 and serves as a backing material to play a role of support and limit; the outer sealant 73 is filled in the outer part of the second filling channel and covers the rod material 72 to form an elastic sealing layer. The rod material 72 can be selected from materials with good weather resistance and compression resilience, and the outer sealant 73 is preferably a silicone or polyurethane material with excellent aging resistance, waterproof and bonding properties. Through this "backing + sealing" composite structure, it can effectively prevent rainwater penetration and air leakage, and enhance the heat preservation effect and overall durability of the joint part.

[0098] Through the sealing member 7 in this embodiment, a larger contact area will be formed between the inner sealant 74 and the outer sealant 73 and the corresponding sealant strips 71 and the rod stock 72. Therefore, it is less likely for the inner sealant 74 and the outer sealant 73 to sag and contaminate the exterior finish. Moreover, if the first implementation form of the sealant strip 71 is adopted, the inner sealant 74 is still placed inside the sealant strip 71, so it is even less likely to have the above problems.

[0099] Furthermore, regardless of the form of the sealing member 7, it does not solely utilize sealant, but instead uses the sealant strip 71 and the inner sealant 74, or the rod stock 72 and the outer sealant 73. Therefore, it is less likely to age, which can solve the problem of seal aging failure that occurs after a long service time of traditional curtain wall structures, and further avoid the problem of sealant sagging and contaminating the exterior finish.

[0100] The above two sealing structures can be flexibly selected according to actual engineering requirements: the first solution is easy to install and has high construction efficiency, and is suitable for assembly scenarios with a high degree of standardization; the second solution has higher sealing reliability and the ability to adapt to complex environments, and is suitable for building projects with more stringent requirements for waterproofing and airtightness.

[0101] It can be understood that, for the above Embodiments 1-7, except for the parts in conflict, they can be freely combined to form other embodiments of the present invention.

[0102] In the description of the present invention, it should be understood that the terms "first" and "second" are only used for descriptive purposes, and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality of" means two or more, unless otherwise specifically defined.

[0103] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection, an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0104] In the present invention, unless otherwise clearly specified or limited, a first feature being "on" or "under" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "over" and "on top of" a second feature may mean that the first feature is directly above or obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. A first feature being "under", "below" and "beneath" a second feature may mean that the first feature is directly below or obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0105] The term "comprising" or any other similar term is intended to cover non-exclusive inclusion, such that a process, article or apparatus / device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to those processes, articles or apparatus / devices.

[0106] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easily understood by those skilled in the art that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of the present invention.

Claims

1. A metal curtain wall system, adapted to be fixedly connected to the exterior wall of a building, characterized in that: It includes curtain wall units, and each curtain wall unit includes an inner panel (1), an outer panel (2), a first filler (3) and an outer frame module (4). The inner panel (1) and the outer panel (2) are arranged in parallel at an interval. Four groups of the outer frame modules (4) are provided and are respectively connected to the edge positions of the inner panel (1) and the outer panel (2). The inner panel (1), the outer panel (2) and the outer frame module (4) enclose a rectangular filling cavity for the first filler (3). The outer frame module (4) includes a first profile (41), a second profile (42) and a U-shaped buckle plate (43). The first profile (41) and the second profile (42) are respectively fixedly connected to the opposite side walls of the outer panel (2) and the inner panel (1), and connection grooves (A) are formed on the sides of both of them facing the filling cavity. The two ends in the width direction of the U-shaped buckle plate (43) are correspondingly inserted into the connection grooves (A) of the first profile (41) and the second profile (42). The U-shaped buckle plate (43) is provided in multiple width models, and the first filler (3) is provided in multiple thickness models matching the width models of the U-shaped buckle plate (43).

2. The metal curtain wall system according to claim 1, wherein: Among the four groups of the outer frame modules (4), the two ends of two opposite outer frame modules (4) make way for the two ends of the other two outer frame modules (4) so that the outer frame modules (4) form a closed rectangular frame.

3. The metal curtain wall system according to claim 2, wherein: The outer edges of the inner panel (1) and the outer panel (2) vertically extend towards the filling cavity to form bending parts (B), and thus the inner panel (1) and the outer panel (2) respectively form box shapes with one side being open.

4. The metal curtain wall system according to claim 3, wherein: The length outer edges of the two opposite bending parts (B) of the outer panel (2) also extend towards the direction of approaching each other to form inwardly retracted parts (C) to cooperate with the bending parts (B) and the outer panel (2) to form a U-shaped groove for accommodating the second profile (42). The U-shaped groove corresponds to the second profile (42) of the outer frame module (4) that does not make way.

5. The metal curtain wall system according to claim 1, characterized in that: It further includes a connecting piece (5) for connecting adjacent curtain wall units and a keel (8) fixed to the outer wall. The connecting piece (5) includes a fixing clip (51) and a connecting bolt (52). Abutting parts (D) are formed on the adjacent second profiles (42) corresponding to adjacent curtain wall units. The fixing clip (51) can be fixedly connected to the keel (8) through the connecting bolt (52), and the two sides of the fixing clip (51) abut against the two abutting parts (D), thereby pressing the curtain wall unit towards the direction close to the keel (8).

6. The metal curtain wall system according to claim 5, characterized in that: A first filling channel is formed between the adjacent U-shaped buckle plates (43) of adjacent curtain wall units. The metal curtain wall system further includes a second filler (6), and the second filler (6) is filled in the first filling channel. Both the first filler (3) and the second filler (6) are made of rock wool.

7. The metal curtain wall system according to claim 6, wherein: A second filling channel communicating with the first filling channel is formed between the adjacent outer panels (2) of adjacent curtain wall units. The metal curtain wall system further includes a sealing member (7), and the sealing member (7) seals the second filling channel.

8. The metal curtain wall system according to claim 7, wherein: The sealing member (7) includes a sealing strip (71) and an inner sealant (74). The inner sealant (74) is filled in the inner position of the second filling channel close to the second filling member (6), and the sealing strip (71) is filled in the outer position of the second filling channel away from the inner sealant (74), and the sealing strip (71) is embedded in the inner sealant (74); or, The sealing member (7) includes a bar stock (72) and an outer sealant (73). The bar stock (72) is filled in the inner position of the second filling channel close to the second filling member (6), and the outer sealant (73) is filled in the outer position of the second filling channel away from the bar stock (72).

9. The metal curtain wall system according to claim 1, wherein: Heat insulation channels are formed inside both the first profile (41) and the second profile (42); Both the first profile (41) and the second profile (42) are made of glass fiber polyurethane material.

Images