Curtain wall structure

Abstract

The utility model relates to a curtain wall structure, and belongs to the technical field of building curtain walls. The structure comprises a honeycomb plate and a connecting piece, the honeycomb plate comprises a panel part, a honeycomb core part and a back plate part, and the panel part and the back plate part are arranged on the two sides of the honeycomb core part; the connecting piece comprises a first side face, a second side face, a third side face and a fourth side face which are sequentially connected, the second side face is perpendicular to the first side face, the first side face is opposite and parallel to the third side face, and the fourth side face is connected with the third side face and opposite and parallel to the second side face. The first side face abuts against the honeycomb core part, the second side face is flush with the side, close to the panel part, of the honeycomb core part, the panel part extends out of the honeycomb core part and extends to sequentially wrap the second side face, the third side face and the fourth side face, the panel part is connected with the fourth side face, and the connecting piece can be connected with the stand column. The curtain wall has the effect of improving the problems of long field installation period and poor installation reliability of the curtain wall.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building curtain wall, and in particular to a curtain wall structure. BACKGROUND

[0002] With the rapid development of social economy and the improvement of people's living standards, the construction industry is also constantly progressing. Especially in high-rise buildings and large public facilities, building curtain walls, as an important exterior wall decoration and protection structure, have been widely used and developed. Building curtain walls not only need to have an aesthetic function, but also must have good thermal insulation, heat insulation, and sound insulation performance to meet the high requirements of modern buildings. At the same time, in order to adapt to the trend of environmental protection and energy saving, the design of building curtain walls is also increasingly focusing on factory production and rapid installation on site in order to reduce construction time and cost.

[0003] At present, the common honeycomb panel curtain wall is mainly installed by on-site assembly. After the honeycomb panel is transported to the construction site, the honeycomb panel is matched with the stand column, and the honeycomb panel is fixed to the stand column through the connecting structure, and the curtain wall is formed by splicing a plurality of honeycomb panels.

[0004] However, the above installation method needs to install the honeycomb panel with the stand column first, and then use the connecting structure to connect the honeycomb panel to the stand column. This process needs to be installed on site, which causes a long installation period on site. At the same time, since the connecting structure is connected with the stand column to limit the honeycomb panel, the connecting structure and the honeycomb panel cannot be pre-installed without the stand column. The on-site installation cannot guarantee the alignment accuracy between the honeycomb panel and the stand column, and thus the installation reliability is poor.

[0005] In the above related technology, there is a defect that the installation period of the curtain wall on site is long and the installation reliability is poor. CONTENT OF THE INVENTION

[0006] In order to improve the problem of long installation period and poor installation reliability of the curtain wall on site, the present application provides a curtain wall structure.

[0007] The curtain wall structure provided by the present application adopts the following technical scheme:

[0008] The curtain wall structure comprises a honeycomb plate, a connecting piece, and a column of a curtain wall, wherein the honeycomb plate comprises a panel portion, a honeycomb core portion, and a back plate portion, the panel portion and the back plate portion are arranged on opposite sides of the honeycomb core portion, and the honeycomb core portion is clamped between the panel portion and the back plate portion; the connecting piece is used for connecting the honeycomb plate and the column of the curtain wall, and comprises a first side face, a second side face, a third side face, and a fourth side face connected in sequence, a first end of the second side face is connected to a first end of the first side face and is perpendicular to each other, a second end of the second side face is connected to a first end of the third side face and is perpendicular to each other, the first side face and the third side face are opposite and parallel to each other, a first end of the fourth side face is connected to a second end of the third side face, and the fourth side face and the second side face are opposite and parallel to each other, a length of the third side face is less than a length of the first side face, a length of the fourth side face is less than a length of the second side face, the third side face and the fourth side face form a stepped portion, the first side face abuts against the honeycomb core portion, the second side face is flush with a side of the honeycomb core portion close to the panel portion, the panel portion extends out of the honeycomb core portion and extends to wrap around the second side face, the third side face, and the fourth side face in sequence, the panel portion is connected to the fourth side face, and the connecting piece can be connected to the column.

[0009] By adopting the technical scheme, the panel portion, the honeycomb core portion, and the back plate portion form the honeycomb plate, the panel portion and the back plate portion are used for improving the strength, and the honeycomb core portion is used for realizing the wind resistance, shock absorption, sound insulation, heat preservation, and the like; the connecting piece used for connecting the honeycomb plate and the column, the first side face of the connecting piece abuts against the honeycomb core portion, realizes the alignment and reliable contact with the honeycomb core portion, the second side face is arranged on the panel portion, the panel portion extends out of the honeycomb core portion and surrounds the second side face, the third side face, and the fourth side face, which is helpful for uniformly distributing the stress, reducing the stress concentration, and prolonging the service life; the panel portion surrounds the connecting piece, which can enhance the firmness of the connection through the stepped portion, is helpful for improving the alignment accuracy of the connecting piece and the honeycomb plate, and further improves the installation accuracy of the honeycomb plate and the strength and stability of the curtain wall structure; the connection of the panel portion and the fourth side face realizes the connection of the connecting piece and the honeycomb plate, so that the connecting piece and the honeycomb plate can be connected first, and then are connected to the column on site to realize the installation of the honeycomb plate; the curtain wall structure simplifies the on-site installation process, reduces the construction difficulty, is helpful for speeding up the construction progress, and realizes the installation target of being fast, convenient, and efficient.

[0010] Optionally, the curtain wall structure further comprises a connecting corner code, a height of the first side face is higher than a thickness of the honeycomb plate, the first side face protrudes from the back plate portion, and the connecting corner code is connected to the back plate portion and the first side face respectively.

[0011] By adopting the technical scheme, the first side protrudes from the back plate part, the first side and the back plate part are aligned and connected through the connecting corner code, the connection strength and stability between the cellular board and the connecting piece are enhanced, and the reliability and safety of the whole curtain wall structure are further improved.

[0012] Optionally, the connecting piece further comprises a fifth side and a sixth side, the first end of the fifth side is connected with the second end of the first side and perpendicular to each other, the fifth side is opposite to and parallel with the second side, the first end of the sixth side is connected with the second end of the fifth side, the second end of the sixth side is connected with the second end of the fourth side, and the sixth side is opposite to and parallel with the first side, so that the connecting piece is in L shape.

[0013] By adopting the technical scheme, the connecting piece is in L shape, the overall rigidity and stability of the connecting piece are enhanced, and more connecting surfaces are provided to facilitate the installation with the stand column.

[0014] Optionally, a fixed corner code is further included, one side of the fixed corner code is connected with the sixth side, and the other side of the fixed corner code is used to connect the stand column.

[0015] By adopting the technical scheme, the fixed corner code can guarantee the connection stability between the connecting piece and the stand column, and improve the overall strength and safety of the curtain wall structure.

[0016] Optionally, a pull rivet is used to connect between the panel part and the fourth side, between the connecting corner code and the back plate part, between the connecting corner code and the first side, and between the fixed corner code and the sixth side.

[0017] By adopting the technical scheme, the reliable connection between the components can be ensured, the stability and safety of the whole curtain wall structure are improved, the pull rivet connection method is simple to operate, convenient for on-site construction, saves time and labor cost, and further improves the installation efficiency.

[0018] Optionally, the fixed corner code and the stand column are connected through a self-tapping screw.

[0019] By adopting the technical scheme, the fixed corner code and the stand column are connected through the self-tapping screw, which can simplify the installation process and improve the installation efficiency; meanwhile, the self-tapping screw has good fastening performance and vibration resistance, which guarantees the stability and reliability of the connection and prolongs the service life of the curtain wall structure.

[0020] Optionally, the fixed corner code comprises a first connecting part and a second connecting part, the first connecting part is used for connecting the stand column, the end of the second connecting part is connected with the end of the first connecting part, and the second connecting part is used for connecting the sixth side surface, two fixed corner codes connected with the same stand column, the first connecting parts of the two fixed corner codes connected with the same stand column are matched with each other, the second connecting parts of the two fixed corner codes connected with the same stand column are arranged oppositely and parallelly, and the two fixed corner codes connected with the same stand column are both provided with the connecting piece.

[0021] By adopting the above technical scheme, two fixed corner codes can be connected with the same stand column to realize the splicing of different honeycomb plates.

[0022] Optionally, the sixth side surface is provided with a mounting groove, and a first end of the adhesive tape is assembled and connected to the mounting groove.

[0023] By adopting the above technical scheme, the sealing property between adjacent honeycomb plates can be improved, water vapor can be prevented from entering, and the service life of the whole curtain wall structure can be prolonged; at the same time, this design makes the installation more convenient and fast, reduces the on-site construction difficulty, improves the work efficiency, and can beautify the appearance of the curtain wall.

[0024] Optionally, the mounting grooves of the two connecting pieces connected with the same stand column are arranged oppositely, so that the second ends of the two adhesive tapes are matched with each other to prevent water.

[0025] By adopting the above technical scheme, the mounting grooves of the two connecting pieces connected with the same stand column are arranged oppositely, so that the second ends of the two adhesive tapes can be matched with each other to effectively seal the plate joint between the two honeycomb plates; this design not only improves the overall waterproof performance of the curtain wall, but also enhances the aesthetic property and durability, reduces the maintenance cost, and prolongs the service life.

[0026] Optionally, the connecting piece is made of aluminum alloy.

[0027] By adopting the above technical scheme, the connecting piece is made of aluminum alloy, so that the connecting piece has good corrosion resistance and lightweight characteristics, the overall stability and service life of the curtain wall structure are improved; at the same time, the aluminum alloy material has high strength and good toughness, can effectively resist external forces such as wind pressure and earthquake, and ensures the safety performance of the curtain wall; in addition, the aluminum alloy material is easy to process and shape, is convenient for batch production and installation, and reduces the production cost and construction difficulty.

[0028] In summary, the present application has at least one of the following beneficial technical effects:

[0029] 1. The cellular board and the connecting piece can be pre-assembled in the factory, ensuring the machining precision and installation reliability, improving the overall quality and stability, and making the installation of the cellular board more convenient and fast on site, effectively shortening the construction period on site, reducing the construction difficulty and cost;

[0030] 2. The installation grooves of the two connecting pieces connected to the same column are oppositely arranged, so that the second ends of the two rubber strips can cooperate with each other, effectively sealing the joint between the two cellular boards; this design not only improves the overall waterproof performance of the curtain wall, but also enhances the aesthetic and durability, reduces the maintenance cost, and prolongs the service life. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is a schematic diagram of the curtain wall structure installation of the embodiment of the present application.

[0032] Figure 2 is a schematic diagram of the curtain wall structure of the embodiment of the present application.

[0033] Figure 3 is a schematic diagram of the connecting piece of the embodiment of the present application.

[0034] BRIEF DESCRIPTION OF DRAWINGS

[0035] 1. Cellular board; 11. Panel part; 12. Cellular core part; 13. Backboard part; 2. Connecting piece; 21. First side; 22. Second side; 23. Third side; 24. Fourth side; 25. Fifth side; 26. Sixth side; 261. Installation groove; 3. Connecting angle code; 4. Fixed angle code; 5. Pull rivet; 6. Self-tapping screw; 7. Rubber strip; 8. Column. DETAILED DESCRIPTION

[0036] The following will be described in detail in combination with the accompanying Figure 1 - the accompanying Figure 3 The present application will be further described in detail. In the embodiment, if not specifically defined, “connection”, “connection” and “fixing” are understood in a broad sense, including fixed connection, detachable connection, connection forming an integral structure, mechanical connection, electrical connection, direct connection, indirect connection by intermediaries, internal connection and interaction between two elements, etc. It can be understood according to the specific circumstances.

[0037] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, in the description of the embodiments, the terms "on", "under", "left", "right", and the like orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise stated, the orientation words such as "inner" and "outer" used in the present application refer to the contour of the corresponding parts.

[0038] As shown in Figure 1 , Figure 2 and Figure 3 , the present application discloses a curtain wall structure, which comprises a honeycomb plate 1 and a connecting piece 2.

[0039] The honeycomb plate 1 comprises a panel part 11, a honeycomb core part 12 and a back plate part 13, the panel part 11 and the back plate part 13 are separately arranged on opposite sides of the honeycomb core part 12, so that the honeycomb core part 12 is clamped between the panel part 11 and the back plate part 13. The panel part 11, the honeycomb core part 12 and the back plate part 13 form the honeycomb plate 1, wherein the panel part 11 and the back plate part 13 are used to improve the strength, the honeycomb core part 12 is used to realize the functions of wind resistance, shock absorption, sound insulation and heat preservation, and the overall integrity of the honeycomb plate 1 is good and the installation is simple.

[0040] As shown in Figure 1 , Figure 2 and Figure 3 , the connecting piece 2 is used to connect the honeycomb plate 1 and the stand column 8 of the curtain wall, and the connecting piece 2 comprises a first side face 21, a second side face 22, a third side face 23 and a fourth side face 24 connected in sequence. The first end of the second side face 22 is connected to the first end of the first side face 21, and the second side face 22 and the first side face 21 are perpendicular to each other; the second end of the second side face 22 is connected to the first end of the third side face 23, and the second side face 22 and the third side face 23 are perpendicular to each other; the first side face 21 and the third side face 23 are opposite and parallel to each other, the first end of the fourth side face 24 is connected to the second end of the third side face 23, and the fourth side face 24 and the second side face 22 are opposite and parallel to each other. The length of the third side face 23 is less than the length of the first side face 21, and the length of the fourth side face 24 is less than the length of the second side face 22, so that the third side face 23 and the fourth side face 24 form a stepped part. The first side face 21 abuts against the honeycomb core part 12, realizing the alignment and reliable contact with the honeycomb core part 12. The second side face 22 is flush with the side of the honeycomb core part 12 close to the panel part 11, which helps to improve the flatness of the honeycomb plate 1.

[0041] The panel part 11 extends out of the honeycomb core part 12 and extends to sequentially wrap the second side 22, the third side 23 and the fourth side 24, which helps to uniformly distribute stress, reduce stress concentration and prolong service life. The panel part 11 is arranged around the connecting piece 2, which can enhance the firmness of the connection through the stepped part and help to improve the positioning accuracy of the connecting piece 2 and the honeycomb panel 1, thereby improving the installation accuracy of the honeycomb panel 1 and the strength and stability of the curtain wall structure. The panel part 11 is connected with the fourth side 24 to realize the connection between the connecting piece 2 and the honeycomb panel 1, so that the connecting piece 2 and the honeycomb panel 1 can be connected first, and then connected with the stand column 8 on site to realize the installation of the honeycomb panel 1. The curtain wall structure can be pre-installed in the factory, which can improve the installation accuracy and installation quality on the one hand, and can simplify the on-site installation process and reduce the construction difficulty on the other hand, which helps to speed up the construction progress and achieve the goal of fast, convenient and efficient installation. The curtain wall structure has high factoryization, which improves the installation efficiency and saves the cost.

[0042] As shown in Figure 1 , Figure 2 and Figure 3 , optionally, the connecting piece 2 further comprises a fifth side 25 and a sixth side 26. The first end of the fifth side 25 is connected with the second end of the first side 21, and the fifth side 25 is perpendicular to the first side 21. The fifth side 25 is parallel to the second side 22 and oppositely arranged. The first end of the sixth side 26 is connected with the second end of the fifth side 25, and the second end of the sixth side 26 is connected with the second end of the fourth side 24. The sixth side 26 is parallel to and oppositely arranged with the first side 21, so that the connecting piece 2 is in L shape. The L-shaped connecting piece 2 not only enhances the overall rigidity and stability of the connecting piece 2, but also provides more connection surfaces for the installation with the stand column 8.

[0043] Optionally, the connecting piece 2 is made of aluminum alloy, which can make the connecting piece 2 have good corrosion resistance and lightweight characteristics, improve the overall stability and service life of the curtain wall structure. At the same time, the aluminum alloy material has high strength and good toughness, which can effectively resist external forces such as wind pressure and earthquake, and ensure the safety performance of the curtain wall. In addition, the aluminum alloy material is easy to process and shape, which is convenient for batch production and installation, and reduces the production cost and construction difficulty. The aluminum alloy connecting piece 2 strengthens the honeycomb panel 1 and improves the flatness of the honeycomb panel 1, making the external effect beautiful.

[0044] As shown in Figure 1 , Figure 2 and Figure 3As shown, optionally, the curtain wall structure further comprises a connecting corner connector 3. The height of the first side surface 21 is higher than the thickness of the honeycomb panel 1, so that the first side surface 21 protrudes from the back plate part 13, and the connecting corner connector 3 is connected to the back plate part 13 and the first side surface 21 respectively. The first side surface 21 protrudes from the back plate part 13, so that the first side surface 21 and the back plate part 13 are aligned and connected through the connecting corner connector 3, the connection strength and stability between the honeycomb panel 1 and the connecting member 2 are enhanced, and the reliability and safety of the entire curtain wall structure are further improved. Since the panel part 11 and the back plate part 13 are connected to the connecting member 2, the connection strength between the honeycomb panel 1 and the connecting member 2 is improved.

[0045] Optionally, the curtain wall structure further comprises a fixed corner connector 4. One side of the fixed corner connector 4 is connected to the sixth side surface 26, and the other side of the fixed corner connector 4 is used to connect the stand column 8. In this embodiment, the stand column 8 can be the keel structure of the building. The fixed corner connector 4 can ensure the connection stability between the connecting member 2 and the stand column 8, and improve the overall strength and safety of the curtain wall structure.

[0046] As shown in Figure 1 , Figure 2 and Figure 3 , optionally, the fixed corner connector 4 is connected to the stand column 8 through the self-tapping screw 6, and the connecting member 2 is connected to the stand column 8 through the fixed corner connector 4 and the self-tapping screw 6. The self-tapping screw 6 is used to connect the fixed corner connector 4 and the stand column 8, which is flexible to install, can simplify the installation process, is convenient to operate, and improves the installation efficiency. At the same time, the self-tapping screw 6 has good fastening performance and vibration resistance, which ensures the stability and reliability of the connection and prolongs the service life of the curtain wall structure.

[0047] Optionally, the fixed corner connector 4 comprises a first connecting part and a second connecting part, the first connecting part is used to connect the stand column 8, and the end of the second connecting part is connected to the end of the first connecting part, and the second connecting part is used to connect the sixth side surface 26. The same stand column 8 connects two fixed corner connectors 4, the first connecting parts of the two fixed corner connectors 4 connected to the same stand column 8 cooperate with each other, the second connecting parts of the two fixed corner connectors 4 connected to the same stand column 8 are arranged opposite and parallel to each other, and the two connecting members 2 are arranged opposite to each other, so as to realize the splicing of adjacent honeycomb panels 1. In this embodiment, the connecting corner connector 3 and the fixed corner connector 4 can be L-shaped.

[0048] As shown in Figure 1 , Figure 2 and Figure 3As shown, optionally, the curtain wall structure further comprises a rubber strip 7, the sixth side 26 is provided with a mounting groove 261, and a first end of the rubber strip 7 is assembled and connected to the mounting groove 261. The mounting groove 261 is reserved when the mold is opened, so as to facilitate the installation of the rubber strip 7. The arrangement of the rubber strip 7 can improve the sealing between adjacent honeycomb panels 1, prevent water vapor from entering, and prolong the service life of the entire curtain wall structure. At the same time, this design makes the installation more convenient and fast, reduces the difficulty of on-site construction, improves work efficiency, and can beautify the appearance of the curtain wall. Compared with the complex waterproof system in the related art, the arrangement of the rubber strip 7 can reduce the space occupation, so as to be applicable to narrow installation space. The rubber strip 7 replaces the sealant, and there is no need to seal by applying sealant on site, which helps to ensure the waterproof performance of the curtain wall and has an aesthetic appearance, and also reduces the situation that the joint between the panels is not beautiful due to manual sealant application, and facilitates disassembly and maintenance.

[0049] Optionally, the mounting grooves 261 of the two connecting pieces 2 connected to the same column 8 are arranged opposite to each other, so that the second ends of the two rubber strips 7 can cooperate with each other to achieve waterproofing. The mounting grooves 261 of the two connecting pieces 2 connected to the same column 8 are arranged opposite to each other, so that the second ends of the two rubber strips 7 can cooperate with each other to seal the joint between the two honeycomb panels 1, and reduce the influence on the column and its connection. This design not only improves the overall waterproof performance of the curtain wall, but also enhances the aesthetic appearance and durability, reduces the maintenance cost, and prolongs the service life. The rubber strip 7 can be a water-repellent rubber strip 7, and the cooperation form and cooperation timing of the two rubber strips 7 are not limited, which can achieve waterproofing effect on the basis of installation.

[0050] As shown in Figure 1 , Figure 2 and Figure 3 Optionally, the panel part 11 is connected to the fourth side 24, the connecting corner code 3 is connected to the back plate part 13, the connecting corner code 3 is connected to the first side 21, and the fixed corner code 4 is connected to the sixth side 26 by means of the pull rivet 5, so as to ensure the reliable connection between the parts and improve the stability and safety of the entire curtain wall structure. At the same time, the pull rivet 5 connection mode is easy to operate, which is convenient for on-site construction, saves time and labor cost, and further improves the installation efficiency.

[0051] It can be understood that the curtain wall structure further comprises necessary structures for connection, support, positioning, limiting, sealing and the like, so that the curtain wall structure can be normally installed; the shape, size, material and arrangement number of each part of the curtain wall structure can be determined as needed, which can realize the corresponding functions.

[0052] The implementation principle of the curtain wall structure of the embodiment of the present application is that the honeycomb plate 1 and the connecting piece 2 are combined, the overall strength of the curtain wall structure is improved, the installation is simple and convenient, and the construction is fast; in the installation process, first, the honeycomb plate 1, the connecting piece 2, the connecting corner code 3, the fixed corner code 4 and the adhesive tape 7 are assembled in the factory, after the steel keel installation of the site is completed, the pre-installed honeycomb plate 1 and the connecting piece 2 are packaged and transported to the site as a whole, are hoisted to the required position as a whole, and the fixed corner code 4 is fixed to the keel through the self-tapping screw 6, and the installation is completed.

[0053] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so: equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A curtain wall structure, characterized by, The utility model relates to a kind of connecting piece and connecting angle code for connecting honeycomb panel and curtain wall, and the utility model discloses the following technical scheme: Including: Honeycomb panel (1), the honeycomb panel (1) includes panel part (11), honeycomb core part (12) and backboard part (13), the panel part (11) and the backboard part (13) are separately arranged on the opposite sides of the honeycomb core part (12), so that the honeycomb core part (12) is clamped between the panel part (11) and the backboard part (13); 2. The curtain wall structure of claim 1, wherein, Connecting piece (2), the connecting piece (2) is used to connect the honeycomb panel (1) with the stand column (8) of curtain wall, and the connecting piece (2) includes sequentially connected first side (21), second side (22), third side (23) and fourth side (24), the first end of the second side (22) is connected with the first end of the first side (21) and perpendicular to each other, the second end of the second side (22) is connected with the first end of the third side (23) and perpendicular to each other, the first side (21) and the third side (23) are opposite and parallel, the first end of the fourth side (24) is connected with the second end of the third side (23), the fourth side (24) and the second side (22) are opposite and parallel, the length of the third side (23) is less than the length of the first side (21), the length of the fourth side (24) is less than the length of the second side (22), so that the third side (23) and the fourth side (24) form a stepped portion, the first side (21) abuts the honeycomb core part (12), the second side (22) is flush with the side of the honeycomb core part (12) close to the panel part (11), the panel part (11) extends out of the honeycomb core part (12) and extends to sequentially wrap the second side (22), the third side (23) and the fourth side (24), the panel part (11) is connected with the fourth side (24), and the connecting piece (2) can be connected with the stand column (8).

3. The wall structure of claim 2, wherein, Further comprising connecting angle code (3), the height of the first side (21) is higher than the thickness of the honeycomb panel (1), so that the first side (21) protrudes from the backboard part (13), and the connecting angle code (3) is connected with the backboard part (13) and the first side (21) respectively.

4. The wall structure of claim 3, wherein, The connecting piece (2) further comprises fifth side (25) and sixth side (26), the first end of the fifth side (25) is connected with the second end of the first side (21) and perpendicular to each other, the fifth side (25) is opposite and parallel to the second side (22), the first end of the sixth side (26) is connected with the second end of the fifth side (25), the second end of the sixth side (26) is connected with the second end of the fourth side (24), and the sixth side (26) is opposite and parallel to the first side (21), so that the connecting piece (2) is L-shaped. Further comprising fixing angle code (4), one side of the fixing angle code (4) is connected with the sixth side (26), and the other side of the fixing angle code (4) is used to connect the stand column (8).

5. The wall structure of claim 4, wherein, The panel part (11) and the fourth side (24), the connecting corner code (3) and the back plate part (13), the connecting corner code (3) and the first side (21), the fixed corner code (4) and the sixth side (26) are connected by pull rivets (5).

6. The wall structure of claim 4, wherein, The fixed corner code (4) and the column (8) are connected by self-tapping nails (6).

7. The wall structure of claim 4, wherein, The fixed corner code (4) includes a first connecting part and a second connecting part, the first connecting part is used for connecting the column (8), the end of the second connecting part is connected with the end of the first connecting part, and the second connecting part is used for connecting the sixth side (26), the same column (8) is connected with two fixed corner codes (4), the first connecting parts of the two fixed corner codes (4) connected with the same column (8) are matched with each other, the second connecting parts of the two fixed corner codes (4) connected with the same column (8) are arranged oppositely and parallelly, and the two fixed corner codes (4) connected with the same column (8) are both provided with the connecting piece (2).

8. The wall structure of claim 7, wherein, The sixth side (26) is provided with a mounting groove (261), and a first end of the rubber strip (7) is assembled and connected to the mounting groove (261).

9. The wall structure of claim 8, wherein, The mounting grooves (261) of the two connecting pieces (2) connected with the same column (8) are arranged oppositely, the second ends of the two rubber strips (7) are matched with each other, and the two rubber strips (7) are used for waterproofing.

10. The wall structure of claim 1, wherein, The connecting piece (2) is made of aluminum alloy.

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