Aluminum veneer mounting structure

Abstract

The utility model belongs to the technical field of decoration and installation, and particularly relates to an aluminum veneer installation structure. The utility model provides an aluminum veneer mounting structure, which comprises a first frame keel, a second frame keel, a third frame keel and a fourth frame keel, the second frame keel is connected with the first frame keel, and the second plane abuts against the first plane; the first connecting piece comprises a first connecting section and a second connecting section, and the first connecting section is connected with the third plane of the second frame keel; the connecting assembly comprises a second connecting piece and a third connecting piece; the second connecting piece is connected with the second connecting section of the first connecting piece, and a first connecting part, a first limiting part and a second limiting part are arranged on the second connecting piece; one end of the reinforcing connecting piece is connected with the third connecting piece, and the other opposite end is connected with the aluminum veneer. According to the aluminum veneer mounting structure, the angle of the aluminum veneer can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of decoration installation, in particular to an installation structure of aluminum single plates. Background Art

[0002] The installation of aluminum single plates is an important step in wall decoration projects, and the installation quality of aluminum single plates plays a very important role in wall decoration projects. In the prior art, usually, the installation components for installing aluminum single plates are first installed on the keels, and then the aluminum single plates are installed on the aforementioned installation components. Although this installation method is relatively simple, the installation process of aluminum single plates stipulates that the angles on the surfaces of aluminum single plates should meet certain installation requirements. However, the existing installation method is difficult to ensure that the angles of aluminum single plates meet the requirements after one-time installation, and this method cannot adjust the angles of aluminum single plates after installation. Therefore, it cannot fully meet the installation requirements of aluminum single plates. Content of the Utility Model

[0003] In view of this, the utility model provides an installation structure of aluminum single plates to solve the technical problem that the existing installation structure of aluminum single plates cannot adjust the angles of installed aluminum single plates.

[0004] The technical solution adopted by the utility model is as follows:

[0005] In the first aspect, the utility model provides an installation structure of aluminum single plates, including:

[0006] A first frame keel arranged along a first direction, the first frame keel including a first plane;

[0007] A second frame keel including a second plane and a third plane which are oppositely arranged and parallel to each other, the second frame keel being connected to the first frame keel, the second frame keel being arranged along a second direction, the second direction being perpendicular to the first direction, and the second plane abutting against the first plane;

[0008] A first connecting piece including a first connecting section and a second connecting section, the included angle between the first connecting section and the second connecting section being a right angle, the first connecting section being connected to the third plane of the second frame keel;

[0009] A connecting assembly including a second connecting piece and a third connecting piece;

[0010] The second connecting piece is connected to the second connecting section of the first connecting piece, and the second connecting piece is provided with a first connecting portion, a first limiting portion and a second limiting portion;

[0011] The third connecting piece is connected to the second connecting piece, and the third connecting piece is provided with a second connecting portion, a third limiting portion and a fourth limiting portion;

[0012] The reinforcement connecting piece is connected to the third connecting piece at one end and to the aluminum single plate at the opposite end;

[0013] The second connecting portion is located between the first limiting portion and the second limiting portion, and the distance between the first limiting portion and the second limiting portion is greater than the length of the second connecting portion;

[0014] The first connecting portion is located between the third limiting portion and the fourth limiting portion, and the distance between the third limiting portion and the fourth limiting portion is greater than the length of the first connecting portion.

[0015] Preferably, the second connecting portion, the first limiting portion and the second limiting portion are located at the upper part of the connecting component, and the first connecting portion, the third limiting portion and the fourth limiting portion are located at the lower part of the connecting component.

[0016] Preferably, the first connecting portion includes a first extension segment, a second extension segment and a third extension segment. The two opposite ends of the second extension segment are respectively connected to the first extension segment and the third extension segment. The first extension segment and the third extension segment extend along the third direction, the second extension segment extends along the first direction, and the third direction is perpendicular to both the first direction and the second direction.

[0017] Preferably, the third connecting piece further includes a first connecting portion. The two opposite ends of the first connecting portion are respectively connected to the third limiting portion and the fourth limiting portion. A first limiting hole is provided on the first connecting portion, and a first connecting hole is provided on the second extension segment. After a first bolt connecting piece passes through the first limiting hole and the first connecting hole, the second connecting piece and the third connecting piece are connected.

[0018] Preferably, the second connecting portion includes a fourth extension segment, a fifth extension segment and a sixth extension segment. The two opposite ends of the fifth extension segment are respectively connected to the fourth extension segment and the sixth extension segment. The fourth extension segment and the sixth extension segment extend along the third direction, and the fifth extension segment extends along the first direction.

[0019] Preferably, the second connecting piece further includes a second connecting portion. The two opposite ends of the second connecting portion are respectively connected to the first limiting portion and the second limiting portion. A second limiting hole is provided on the second connecting portion, and a second connecting hole is provided on the fifth extension segment. After a second bolt connecting piece passes through the second limiting hole and the second connecting hole, the second connecting piece and the third connecting piece are connected.

[0020] Preferably, the second connecting member further includes a first transition section, a second transition section, and a third transition section connected in sequence. One end of the first transition section away from the second transition section is connected to one end of the first limiting portion away from the second connecting portion. The third transition section is connected to one end of the first extension section away from the second extension section. The first transition section extends along the first direction to a position exceeding the top of the second connecting section. The second transition section extends along the third direction, and the third transition section extends along the first direction.

[0021] Preferably, the second connecting member is a semi-enclosed structure with a first opening at one end, and the first opening faces the aluminum single plate. The second connecting portion enters the semi-enclosed structure of the second connecting member through the first opening. The third connecting member is a semi-enclosed structure with a second opening, and the second opening faces away from the aluminum single plate. The first connecting portion enters the semi-enclosed structure of the third connecting member through the second opening.

[0022] Preferably, the bolt head of the first bolt connecting member is located in the semi-enclosed structure of the second connecting member, and the bolt head of the second bolt connecting member is located in the semi-enclosed structure of the third connecting member.

[0023] Preferably, a compressible anti-corrosion cushion layer is filled in the gap between the reinforcement connecting member and the third connecting member. An anti-corrosion cushion layer is provided between the first connecting portion and the third connecting member. An anti-corrosion cushion layer is provided between the second connecting portion and the second connecting member. A connecting glue is provided at the position where the reinforcement connecting member is connected to the aluminum single plate.

[0024] Beneficial effects: In the aluminum single plate installation structure of the present utility model, by making the second connecting portion located between the first limiting portion and the second limiting portion, and the distance between the first limiting portion and the second limiting portion is greater than the length of the second connecting portion, so that the second connecting portion can move back and forth along the first direction between the first limiting portion and the second limiting portion. Then, by making the first connecting portion located between the third limiting portion and the fourth limiting portion, and the distance between the third limiting portion and the fourth limiting portion is greater than the length of the first connecting portion, so that the first connecting portion can move back and forth between the third limiting portion and the fourth limiting portion, thereby adjusting the distance between the third connecting member and the first keel frame in the first direction. In this way, the angle between the aluminum single plate and the horizontal plane can be adjusted by adjusting the distances at different positions. Description of the Drawings

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required to be used in the embodiments of the present utility model will be briefly introduced below. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to these drawings, and these are all within the protection scope of the present utility model.

[0026] Figure 1 Schematic diagram of the assembly structure of the aluminum single plate installation structure of the present utility model;

[0027] Figure 2 Schematic diagram of the structure of the second connecting member in the present utility model;

[0028] Figure 3 Schematic diagram of the structure of the third connecting member in the present utility model;

[0029] Figure 4 Schematic diagram of the structure of the reinforcement connecting member in the present utility model;

[0030] Parts and their numbers in the figure:

[0031] First frame keel 10, first plane 11, second frame keel 20, second plane 21, third plane 22, first connecting member 30, first connecting section 31, second connecting section 32, second connecting member 40, first connecting portion 41, first extension section 411, second extension section 412, third extension section 413, first limiting portion 42, second limiting portion 43, second connecting portion 44, second limiting hole 441, first transition section 45, second transition section 46, third transition section 47, first opening 48, third connecting member 50, second connecting portion 51, fourth extension section 511, fifth extension section 512, sixth extension section 513, third limiting portion 52, fourth limiting portion 53, first connecting portion 54, first limiting hole 541, second opening 55, reinforcement connecting member 60, fixed connecting portion 61, first bonding portion 62, second bonding portion 63, aluminum single plate 70, compressible anti-corrosion cushion layer 81, anti-corrosion cushion layer 82, connecting glue 83. Specific implementation mode

[0032] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It should be noted that in this document, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or sequence between these entities or operations. In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, elements defined by the statement "comprising..." do not exclude the presence of additional identical elements in the process, method, article or device comprising the said elements. If there is no conflict, the embodiments of the present utility model and the various features in the embodiments may be combined with each other, and all are within the protection scope of the present utility model.

[0033] Embodiment 1

[0034] As Figure 1 shown, the present utility model provides an installation structure for an aluminum single panel 70, which is used to install the aluminum single panel 70 in a decorative installation project. The aforementioned installation structure mainly includes: a first frame keel 10, a second frame keel 20, a first connecting member, a connecting assembly, and a reinforcement connecting member 60.

[0035] Among them, the first frame keel 10 is arranged along the first direction, and the first frame keel 10 includes a first plane 11;

[0036] Among them, the second frame keel 20 includes a second plane 21 and a third plane 22 that are oppositely arranged and parallel to each other. The second frame keel 20 is connected to the first frame keel 10, and the second frame keel 20 is arranged along a second direction. The second direction is perpendicular to the first direction. In specific implementation, multiple first frame keels 10 and second frame keels 20 can be adopted, and the two frame keels are arranged in a cross pattern to form a grid-shaped keel framework. When the first keel framework and the second keel framework are connected, the second plane 21 abuts against the first plane 11, so that the third plane 22 of the second keel and the first plane 11 of the first keel are parallel to each other, thereby improving the installation accuracy.

[0037] In this embodiment, the first connecting member includes a first connecting section 31 and a second connecting section 32. The included angle between the first connecting section 31 and the second connecting section 32 is a right angle. The first connecting section 31 is connected to the third plane 22 of the second frame keel 20; adopting the foregoing structure can make the second connecting section 32 perpendicular to the third plane 22 of the second frame keel 20 and make the second connecting section 32 in a vertical state.

[0038] Among them, the connecting assembly includes a first connecting member and a second connecting member 40; the second connecting member 40 is connected to the second connecting section 32 of the first connecting member. The second connecting member 40 is provided with a first connecting portion 41, a first limiting portion 42, and a second limiting portion 43; the third connecting member 50 is connected to the second connecting member 40. The third connecting member 50 is provided with a second connecting portion 51, a third limiting portion 52, and a fourth limiting portion 53; the second connecting portion 51 is located between the first limiting portion 42 and the second limiting portion 43, and the distance between the first limiting portion 42 and the second limiting portion 43 is greater than the length of the second connecting portion 51. The first connecting portion 41 is located between the third limiting portion 52 and the fourth limiting portion 53, and the distance between the third limiting portion 52 and the fourth limiting portion 53 is greater than the length of the first connecting portion 41.

[0039] The first limiting portion 42 and the second limiting portion 43 are arranged on both sides of the second connecting portion 51 along the first direction. The second connecting portion 51 can move back and forth along the first direction between the first limiting portion 42 and the second limiting portion 43. Similarly, the fourth limiting portion 53 and the third limiting portion 52 are arranged on both sides of the first connecting portion 41 along the first direction. The first connecting portion 41 can move back and forth between the third limiting portion 52 and the fourth limiting portion 53. In this way, the third connecting member 50 can move back and forth relative to the second connecting member 40 along the first direction, thereby adjusting the distance between the third connecting member 50 and the first keel framework in the first direction.

[0040] In this embodiment, one end of the reinforcing connector 60 is connected to the third connector 50, and the other end is connected to the aluminum single plate 70; the reinforcing connector 60 can connect the aluminum single plate 70 and the connecting component together on the one hand, and can support the aluminum single plate 70 on the other hand, thereby providing rigidity and strength to the aluminum single plate 70.

[0041] The first connecting member, the connecting assembly and the reinforcing connecting member 60 form a set of matching structures. In specific implementation, the aforementioned matching structures can be set at multiple positions of the aluminum single plate 70.

[0042] Since the distance between the third connecting member 50 and the first keel frame in the first direction can be adjusted by moving the third connecting member 50, the distance between the aluminum single plate 70 at the position corresponding to the third connecting member 50 and the first keel frame can also be adjusted. In this way, the angle between the entire aluminum single plate 70 and the horizontal plane can be adjusted by adjusting the distance between the third connecting member 50 and the keel frame corresponding to the aluminum single plate 70 at different positions.

[0043] In this embodiment, the second connection portion 51, the first limiting portion 42 and the second limiting portion 43 are located at the upper part of the connection assembly, the first connection portion 41 is located at the third limiting portion 52 and the fourth limiting portion 53 are located at the lower part of the connection assembly.

[0044] In this embodiment, the mutually movably connected parts of the second connecting member 40 and the third connecting member 50 are staggered up and down to improve the balance of structural force, and to free up space for connection operation to avoid mutual influence between the two connection structures.

[0045] like Figure 2 As shown, in this embodiment, the first connecting portion 41 includes a first extension section 411, a second extension section 412 and a third extension section 413, the opposite ends of the second extension section 412 are respectively connected to the first extension section 411 and the third extension section 413, the first extension section 411 and the third extension section 413 extend along a third direction, the second extension section 412 extends along a first direction, and the third direction is perpendicular to both the first direction and the second direction. In this embodiment, the first connecting portion 41 forms a "U"-shaped connection structure through the aforementioned three extension sections, thereby improving the strength of the connection part.

[0046] In this embodiment, the third connecting member 50 also includes a first connecting portion 54, the opposite ends of the first connecting portion 54 are respectively connected to the third limiting portion 52 and the fourth limiting portion 53, a first limiting hole 541 is provided on the first connecting portion 54, and a first connecting hole is provided on the second extension section 412. The first bolt connecting member passes through the first limiting hole 541 and the first connecting hole to connect the second connecting member 40 and the third connecting member 50.

[0047] The diameter of the first limiting hole 541 can be greater than the length of the first connecting portion 41, so that the connecting position of the first connecting portion 41 can be adjusted within a certain range, thereby adjusting the relative distance between the third connecting member 50 and the second connecting member 40.

[0048] As Figure 3 shown, in this embodiment, the second connecting portion 51 includes a fourth extending section 511, a fifth extending section 512 and a sixth extending section 513. Opposite ends of the fifth extending section 512 are respectively connected to the fourth extending section 511 and the sixth extending section 513. The fourth extending section 511 and the sixth extending section 513 extend along the third direction, and the fifth extending section 512 extends along the first direction. In this embodiment, the foregoing three extending sections enable the second connecting portion 51 to form a "U"-shaped connecting structure, thereby improving the strength of the connecting portion.

[0049] In this embodiment, the second connecting member 40 further includes a second connecting portion 44. Opposite ends of the second connecting portion 44 are respectively connected to the first limiting portion 42 and the second limiting portion 43. A second limiting hole 441 is provided on the second connecting portion 44. A second connecting hole is provided on the fifth extending section 512. After a second bolt connecting member passes through the second limiting hole 441 and the second connecting hole, the second connecting member 40 and the third connecting member 50 are connected.

[0050] The diameter of the second limiting hole 441 can be greater than the length of the second connecting portion 51, so that the connecting position of the second connecting portion 51 can be adjusted within a certain range, thereby adjusting the relative distance between the third connecting member 50 and the second connecting member 40.

[0051] In this embodiment, the second connecting member 40 further includes a first transition section 45, a second transition section 46 and a third transition section 47 that are connected in sequence. One end of the first transition section 45 away from the second transition section 46 is connected to one end of the first limiting portion 42 away from the second connecting portion 44. The third transition section 47 is connected to one end of the first extending section 411 away from the second extending section 412. The first transition section 45 extends along the first direction to a position beyond the top of the second connecting section 32. The second transition section 46 extends along the third direction. The third transition section 47 extends along the fourth direction. After adopting the foregoing structure, a right angle is formed at the connecting portion of the first transition section 45 and the second transition section 46. The top of the second connecting section 32 can be accurately positioned with respect to the second connecting member 40 and the first connecting member by abutting against this right angle.

[0052] As Figure 1As shown, in this embodiment, the second connecting member 40 is a semi-enclosed structure with a first opening 48 provided at one end. The first opening 48 faces the aluminum single panel 70. The second connecting portion 51 enters the semi-enclosed structure of the second connecting member 40 through the first opening 48. The third connecting member 50 is a semi-enclosed structure with a second opening 55 provided. The second opening faces away from the aluminum single panel 70. The first connecting portion 41 enters the semi-enclosed structure of the third connecting member 50 through the second opening 55.

[0053] After adopting the foregoing structure, the second connecting member 40 and the third connecting member 50 can enter each other's semi-enclosed structures, thereby saving space and enabling the first connecting portion 41 and the second connecting portion 51 to be surrounded by the second connecting member 40 and the third connecting member 50. In this way, the two connecting parts are not easily affected by the external environment, making the connection between the second connecting member 40 and the third connecting member 50 stable.

[0054] As Figure 1 shown, in this embodiment, the bolt head of the first bolt connecting member is located in the semi-enclosed structure of the second connecting member 40, and the bolt head of the second bolt connecting member is located in the semi-enclosed structure of the third connecting member 50. Adopting the foregoing structure can protect the bolt heads of the first bolt connecting member and the second bolt connecting member in the semi-enclosed structure, and can extend the service life of the two bolt connecting members.

[0055] In this embodiment, a compressible anti-corrosion cushion layer 81 is filled in the gap between the reinforcing connecting member 60 and the third connecting member 50. An anti-corrosion cushion layer 82 is provided between the first connecting portion 41 and the third connecting member 50, and an anti-corrosion cushion layer is provided between the second connecting portion 51 and the second connecting member 40. On the one hand, the anti-corrosion cushion layer can eliminate the gap between the mutually connected parts, and on the other hand, it can avoid the corrosion of the connecting parts and cause connection failure. A connecting glue 83 is provided at the position where the reinforcing connecting member 60 is connected to the aluminum single panel 70. The connecting glue 83 can make the connection between the reinforcing connecting member 60 and the aluminum single panel 70 more stable. Specifically, when implemented, the connecting glue 83 can adopt a special glue for metal profiles.

[0056] As Figure 4 shown, the reinforcing connecting member 60 includes a fixed connecting portion 61, a first bonding portion 62, and a second bonding portion 63. One end of the first bonding portion 62 is connected to the fixed connecting portion 61, and one end of the second bonding portion 63 is connected to the fixed connecting portion 61.

[0057] The fixed connecting portion 61 is connected to the third connecting member 50, and the ends of the first bonding portion 62 and the second bonding portion 63 away from the fixed connecting portion 61 are respectively bonded to the aluminum single panel 70.

[0058] The above are only specific embodiments of the present utility model. Those skilled in the art can clearly understand that for the convenience and brevity of description, the specific working processes of the systems, modules, and units described above can refer to the corresponding processes in the foregoing method embodiments and will not be elaborated herein. It should be understood that the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of various equivalent modifications or substitutions, and these modifications or substitutions should all be covered within the protection scope of the present utility model.

Claims

1. Aluminum single panel installation structure, characterized in that Comprising: A first frame keel, arranged along a first direction, the first frame keel including a first plane; A second frame keel, including a second plane and a third plane that are oppositely arranged and parallel to each other, the second frame keel being connected to the first frame keel, the second frame keel being arranged along a second direction, the second direction being perpendicular to the first direction, and the second plane abutting against the first plane; A first connecting member, including a first connecting section and a second connecting section, the included angle between the first connecting section and the second connecting section being a right angle, the first connecting section being connected to the third plane of the second frame keel; A connecting assembly, including a second connecting member and a third connecting member; The second connecting member is connected to the second connecting section of the first connecting member, and a first connecting portion, a first limiting portion, and a second limiting portion are provided on the second connecting member; The third connecting member is connected to the second connecting member, and a second connecting portion, a third limiting portion, and a fourth limiting portion are provided on the third connecting member; A reinforcing connecting member, one end of which is connected to the third connecting member, and the relatively other end is connected to an aluminum single board; The second connecting portion is located between the first limiting portion and the second limiting portion, and the distance between the first limiting portion and the second limiting portion is greater than the length of the second connecting portion; The first connecting portion is located between the third limiting portion and the fourth limiting portion, and the distance between the third limiting portion and the fourth limiting portion is greater than the length of the first connecting portion.

2. The aluminum single panel installation structure according to claim 1, characterized in that, The second connecting portion, the first limiting portion, and the second limiting portion are located at the upper part of the connecting assembly, and the first connecting portion, the third limiting portion, and the fourth limiting portion are located at the lower part of the connecting assembly.

3. The aluminum single plate installation structure according to claim 2, characterized in that, The first connecting portion includes a first extending section, a second extending section, and a third extending section, the two opposite ends of the second extending section are respectively connected to the first extending section and the third extending section, the first extending section and the third extending section extend along a third direction, the second extending section extends along the first direction, and the third direction is perpendicular to both the first direction and the second direction.

4. The aluminum single panel installation structure according to claim 3, characterized in that, The third connecting member further includes a first connecting portion, the two opposite ends of the first connecting portion are respectively connected to the third limiting portion and the fourth limiting portion, a first limiting hole is provided on the first connecting portion, a first connecting hole is provided on the second extending section, and a first bolt connecting member passes through the first limiting hole and the first connecting hole to connect the second connecting member and the third connecting member.

5. The aluminum single panel installation structure according to claim 4, characterized in that, The second connecting portion includes a fourth extending section, a fifth extending section, and a sixth extending section, the two opposite ends of the fifth extending section are respectively connected to the fourth extending section and the sixth extending section, the fourth extending section and the sixth extending section extend along the third direction, and the fifth extending section extends along the first direction.

6. The aluminum single-plate installation structure according to claim 5, characterized in that The second connecting member further includes a second connecting portion, the two opposite ends of the second connecting portion are respectively connected to the first limiting portion and the second limiting portion, a second limiting hole is provided on the second connecting portion, a second connecting hole is provided on the fifth extending section, and a second bolt connecting member passes through the second limiting hole and the second connecting hole to connect the second connecting member and the third connecting member.

7. The aluminum single panel installation structure according to claim 6, characterized in that, The second connecting member further includes a first transition section, a second transition section, and a third transition section that are connected in sequence. One end of the first transition section away from the second transition section is connected to one end of the first limiting portion away from the second connecting portion. The third transition section is connected to one end of the first extension section away from the second extension section. The first transition section extends along a first direction to a position beyond the top of the second connecting section. The second transition section extends along a third direction. The third transition section extends along the first direction.

8. The aluminum single panel installation structure according to claim 6, characterized in that, The second connecting member is a semi-enclosed structure with a first opening at one end. The first opening faces the aluminum single panel. The second connecting portion enters the semi-enclosed structure of the second connecting member through the first opening. The third connecting member is a semi-enclosed structure with a second opening. The second opening faces away from the aluminum single panel. The first connecting portion enters the semi-enclosed structure of the third connecting member through the second opening.

9. The aluminum single panel installation structure according to claim 8, characterized in that, The bolt head of the first bolt connecting member is located in the semi-enclosed structure of the second connecting member. The bolt head of the second bolt connecting member is located in the semi-enclosed structure of the third connecting member.

10. The aluminum single plate installation structure according to any one of claims 1 to 9, characterized in that, A compressible anti-corrosion cushion layer is filled in the gap between the reinforcing connecting member and the third connecting member. An anti-corrosion cushion layer is provided between the first connecting portion and the third connecting member. An anti-corrosion cushion layer is provided between the second connecting portion and the second connecting member. A connecting glue is provided at the position where the reinforcing connecting member is connected to the aluminum single panel.

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