Connecting structure and curtain wall system
By combining the installation components and abutment components of the connecting structure, the problem of low construction efficiency of glass curtain walls in the prior art is solved, and efficient construction and installation are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU KELIDA BUILDING & DECORATION CO LTD
- Filing Date
- 2025-05-26
- Publication Date
- 2026-06-12
AI Technical Summary
In the current glass curtain wall construction, each component needs to be installed sequentially, and the installation of some components is difficult, resulting in low construction efficiency.
A connection structure is provided, including mounting components and abutment components, which can be pre-connected and directly installed on the main structure, avoiding sequential installation. The combination of mounting units, fixing units, abutment components and other components improves construction efficiency.
By combining installation components and contact components, installation difficulties caused by the construction environment are avoided, thus improving the construction efficiency of the curtain wall system.
Smart Images

Figure CN224351463U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of curtain wall technology, specifically to connection structures and curtain wall systems. Background Technology
[0002] With the development of the times and the progress of technology, glass curtain walls have become the mainstream of public buildings. People have higher and higher requirements for the functionality and aesthetics of buildings, and at the same time, they also pay more attention to the facade design and the convenience of construction and installation.
[0003] In existing technologies, glass curtain wall construction first requires installing a connecting structure on the building, and then installing the glass onto the connecting structure to secure it to the building. Current connecting structures consist of various components, which must be installed sequentially. However, due to varying construction environments, unexpected situations may arise during the installation of individual components, making installation of certain parts extremely difficult. This significantly reduces the construction efficiency of the curtain wall system. Utility Model Content
[0004] In view of this, the present invention provides a connection structure and curtain wall system to solve the problem that existing curtain wall systems require sequential installation of various components during construction, and that the installation of some components is difficult, resulting in reduced construction efficiency.
[0005] In a first aspect, this utility model provides a connection structure, comprising:
[0006] The mounting assembly includes a mounting unit and a fixing unit, the mounting unit being adapted to be connected to the main structure, and the fixing unit being disposed on one side of the mounting unit and connected to the mounting unit.
[0007] An abutting component is provided, which is connected to the mounting unit, and a mounting cavity is formed between the abutting component and the fixing unit, wherein the mounting cavity is adapted to accommodate the end of the cavity glass.
[0008] Beneficial effects: When installing the mounting components and the abutment components on the main structure, the mounting components and the abutment components can be connected together in advance, so that the mounting components and the abutment components can be installed on the main structure at the same time. This avoids the need to install each component in sequence and avoids the situation where individual components are difficult to install due to construction environment issues, which helps to improve the construction efficiency of the curtain wall system.
[0009] In one alternative embodiment, the mounting unit includes a mounting element and a fastener, the fastener being disposed through the mounting element and adapted to connect to the main structure under external force to mount the mounting element onto the main structure.
[0010] Beneficial effects: By setting the installation unit including the mounting component and the fastener, the mounting component and the fastener in this embodiment are respectively the installation column and the chemical anchor. The fastener is installed through the mounting component and can be connected to the main structure under the action of external force. When the fastener is connected to the main structure, the mounting component will be fixed to the main structure by the fastener, so as to realize the installation of the mounting component.
[0011] In one optional embodiment, the mounting member is formed with a mounting portion; the mounting unit further includes an adapter, the adapter being disposed within the mounting portion and connected to the mounting member, and the fastener being disposed through the adapter.
[0012] Beneficial effects: The mounting part formed on the mounting component and the mounting unit also include an adapter. In this embodiment, the mounting part is a mounting groove, and the adapter is a steel subframe. The adapter can be set in the mounting part and connected to the mounting component. The fastener is set through the adapter. So when the fastener is connected to the main structure, the mounting component can be installed on the main structure through the adapter. Installing the mounting component on the main structure through the adapter facilitates the disassembly of the mounting component.
[0013] In one optional embodiment, the fixing unit includes a first fixing member, a second fixing member, and a splicing member. The splicing member has an L-shaped structure, and one end of the splicing member is connected to the first fixing member, and the other end is connected to the second fixing member. The first fixing member is adapted to be connected to the mounting member to connect the fixing unit and the mounting member.
[0014] Beneficial effects: By setting a fixing unit including a first fixing member, a second fixing member, and a splicing member, in this embodiment the first fixing member, the second fixing member, and the splicing member are respectively a first fixing plate, a second fixing plate, and a corner bracket. The splicing member is specifically an L-shaped structure, with one end connected to the first fixing member and the other end connected to the second fixing member, so as to connect the first fixing member and the second fixing member together to form a fixing unit. In addition, the first fixing member can be connected to the mounting member, thereby realizing the connection between the fixing unit and the mounting member.
[0015] In one optional embodiment, the abutting component includes an abutting member and a connecting member. One end of the connecting member is connected to the mounting member, and the other end is connected to the abutting member to connect the mounting member and the abutting member. The abutting member is provided with an abutting portion, and the mounting cavity is formed between the abutting portion and the fixing unit.
[0016] Beneficial effects: By setting the abutment component including an abutment member and a connector, in this embodiment the abutment member and the connector are respectively an abutment profile and a connecting rod. One end of the connector is connected to the mounting member, and the other end is connected to the abutment member to realize the connection between the mounting member and the abutment member. The abutment member can be connected to the main structure, and the abutment member is provided with an abutment part, which is an abutment plate in this embodiment. The abutment member can form a mounting cavity between the abutment part and the fixing unit so that the end of the glass can extend into it.
[0017] In an optional embodiment, the assembly further includes an adhesive component comprising a first adhesive member and a second adhesive member, the first adhesive member being disposed between the fixing unit and the glass, and the second adhesive member being disposed between the abutment portion and the glass.
[0018] Beneficial effects: By setting an adhesive assembly between the fixing unit, the abutment and the glass, the adhesive assembly specifically includes a first adhesive and a second adhesive. In this embodiment, the first adhesive and the second adhesive are respectively a first adhesive and a second adhesive. The first adhesive is disposed between the fixing unit and the glass to enhance the connection strength between the fixing unit and the glass, and the second adhesive is disposed between the abutment portion on the abutment and the glass to enhance the connection strength between the abutment portion and the glass.
[0019] In one alternative embodiment, a sealing assembly is further included, the sealing assembly being disposed between the mounting member and the main structure and between the abutment member and the main structure, to seal the gaps between the mounting member and the abutment member and the main structure;
[0020] The sealing assembly includes a first seal and a second seal. The first seal fills the gap between the mounting member and the abutment member and the main structure. The second seal fills the gap between the mounting member, the main structure and the first seal, and between the abutment member, the main structure and the first seal.
[0021] Beneficial effects: By setting a sealing assembly between the mounting part and the main structure, and between the abutment part and the main structure, the sealing assembly can seal the gap between the mounting part and the abutment part and the main structure, thereby improving the connection stability between the mounting part and the abutment part and the main structure. In addition, the sealing assembly specifically includes a first sealing element and a second sealing element. In this embodiment, the first sealing element and the second sealing element are respectively an edge sealing foam rod and an edge sealing silicone weather-resistant adhesive. The first sealing element fills the gap between the mounting part and the abutment part and the main structure to improve the connection stability between the mounting part and the abutment part and the main structure. The second sealing element fills the gap between the mounting part, the main structure and the first sealing element, and between the abutment part, the main structure and the first sealing element to seal the edge of the gap between the mounting part and the abutment part and the main structure.
[0022] In one alternative embodiment, a locking assembly is further included, the locking assembly comprising a first locking member and a second locking member, the first locking member being disposed between the mounting member and the adapter, and the second locking member being disposed between the mounting member and the fixing unit.
[0023] Beneficial effects: By using a locking assembly disposed between the mounting unit and the fixing unit, the locking assembly specifically includes a first locking member and a second locking member. In this embodiment, the first locking member and the second locking member are respectively a first screw and a second screw. The first locking member is disposed between the mounting member and the adapter to connect the mounting member and the adapter, while the second locking member is disposed between the mounting member and the fixing unit to connect the mounting member and the fixing unit.
[0024] In one alternative embodiment, a locking assembly is further included, the locking assembly comprising a first locking member and a second locking member, the first locking member being disposed between the mounting member and the adapter, and the second locking member being disposed between the mounting member and the fixing unit.
[0025] Beneficial effects: By using an edge-sealing assembly set between the main structure and the abutment, the edge-sealing assembly specifically includes an edge-sealing component and a through-hole component. In this embodiment, the edge-sealing component and the through-hole component are respectively an edge-sealing plate and a through-hole screw. The edge-sealing component is set between the main structure and the abutment, and the through-hole component can pass through the edge-sealing component and connect with the main structure and the abutment to fix the edge-sealing component between the main structure and the abutment, and make the edge-sealing component cover the gap between the abutment and the main structure to improve aesthetics.
[0026] Secondly, this utility model also provides a curtain wall system, including glass and the aforementioned connection structure.
[0027] Beneficial effects: By setting up a connection structure on the curtain wall system, that is, when installing the mounting components and the abutment components on the main structure, the mounting components and the abutment components can be connected together in advance, so that the mounting components and the abutment components can be directly installed on the main structure at the same time. This avoids the need to install each component sequentially and avoids the situation where individual components are difficult to install due to construction environment issues, which helps to improve the construction efficiency of the curtain wall system. Attached Figure Description
[0028] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0029] Figure 1 This is a cross-sectional view of a connection structure according to an embodiment of the present utility model.
[0030] Figure 2 This is a vertical section diagram of a connection structure according to an embodiment of the present utility model.
[0031] Explanation of reference numerals in the attached figures:
[0032] 1-Mounting component; 11-Mounting unit; 111-Mounting piece; 112-Fastener; 113-Adapter; 12-Fixing unit; 121-First fixing piece; 122-Second fixing piece; 123-Assembly piece;
[0033] 2-Abutting component; 21-Abutting part; 211-Abutting portion; 22-Connecting part; 3-Adhesive component; 31-First adhesive part; 32-Second adhesive part; 4-Sealing component; 41-First sealing part; 42-Second sealing part; 5-Locking component; 51-First locking part; 52-Second locking part; 6-Edge sealing component; 61-Edge sealing part; 62-Through part; 7-Main structure; 8-Glass. Detailed Implementation
[0034] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0035] The following is combined with Figure 1 and Figure 2 The following describes embodiments of the present invention.
[0036] According to embodiments of the present invention, in one aspect, a connection structure is provided, such as... Figure 1 and Figure 2 As shown, it includes an installation component 1 and an abutment component 2. The installation component 1 includes an installation unit 11 and a fixing unit 12. The installation unit 11 is adapted to be connected to the main structure 7. The fixing unit 12 is disposed on one side of the installation unit 11 and connected to the installation unit 11. The abutment component 2 is connected to the installation unit 11, and an installation cavity is formed between the abutment component 2 and the fixing unit 12. The installation cavity is adapted to accommodate the end of the cavity glass 8.
[0037] The connection structure described above uses an abutment component 2 connected to the mounting component 1. The mounting component 1 includes a mounting unit 11 and a fixing unit 12. The mounting unit 11 can be connected to the main structure 7, which is specifically a wall or other structure in a building. The fixing unit 12 is located on one side of the mounting unit 11 and is connected to the mounting unit 11. The abutment component 2 can also be connected to the main structure 7 and is also connected to the mounting unit 11. When the abutment component 2 is connected to the mounting unit 11, a mounting cavity can be formed between the abutment component 2 and the fixing unit 12. The mounting cavity can accommodate the end of the glass 8 to achieve the installation of the glass 8.
[0038] Specifically, when installing the mounting component 1 and the abutting component 2 on the main structure 7, the mounting component 1 and the abutting component 2 can be connected together beforehand, so that the mounting component 1 and the abutting component 2 can be installed on the main structure 7 at the same time. This avoids installing each component in sequence and avoids the situation where individual components are difficult to install due to construction environment issues, which is conducive to improving the construction efficiency of the curtain wall system.
[0039] In one embodiment, such as Figure 1 and Figure 2 As shown, the mounting unit 11 includes a mounting component 111 and a fastener 112. The fastener 112 is disposed through the mounting component 111 and is adapted to be connected to the main structure 7 under the action of external force so as to mount the mounting component 111 on the main structure 7.
[0040] The connection structure described above includes an installation unit 11 comprising an installation component 111 and a fastener 112. In this embodiment, the installation component 111 and the fastener 112 are respectively the installation column and the chemical anchor. The fastener 112 is through-mounted on the installation component 111 and can be connected to the main structure 7 under external force. When the fastener 112 is connected to the main structure 7, the installation component 111 is fixed to the main structure 7 by the fastener 112, thereby realizing the installation of the installation component 111.
[0041] In one embodiment, such as Figure 1 and Figure 2 As shown, the mounting part 111 is formed with a mounting portion; the mounting unit 11 also includes a converter 113, which is disposed in the mounting portion and connected to the mounting part 111, and a fastener 112 is disposed through the converter 113.
[0042] The connection structure described above, through the mounting part formed on the mounting member 111 and the mounting unit 11, also includes a connector 113. In this embodiment, the mounting part is a mounting groove, and the connector 113 is a steel subframe. The connector 113 can be disposed in the mounting part and connected to the mounting member 111. The fastener 112 is disposed through the connector 113. Thus, when the fastener 112 is connected to the main structure 7, the mounting member 111 can be mounted on the main structure 7 through the connector 113. By using the connector 113 to mount the mounting member 111 on the main structure 7, it is convenient to disassemble the mounting member 111.
[0043] Specifically, when the adapter 113 is installed in the mounting section, a gasket is provided between the adapter 113 and the mounting part 111. This gasket can isolate the adapter 113 and the mounting part 111 to prevent corrosion between them.
[0044] In one embodiment, such as Figure 1 and Figure 2 As shown, the fixing unit 12 includes a first fixing member 121, a second fixing member 122, and a splicing member 123. The splicing member 123 has an L-shaped structure, and one end of the splicing member 123 is connected to the first fixing member 121, and the other end is connected to the second fixing member 122. The first fixing member 121 is adapted to be connected to the mounting member 111 to connect the fixing unit 12 and the mounting member 111.
[0045] The connection structure described above includes a fixing unit 12 comprising a first fixing member 121, a second fixing member 122, and a splicing member 123. In this embodiment, the first fixing member 121, the second fixing member 122, and the splicing member 123 are respectively a first fixing plate, a second fixing plate, and a corner bracket. Specifically, the splicing member 123 has an L-shaped structure, with one end connected to the first fixing member 121 and the other end connected to the second fixing member 122, thereby connecting the first fixing member 121 and the second fixing member 122 together to form the fixing unit 12. In addition, the first fixing member 121 can be connected to the mounting member 111, thereby realizing the connection between the fixing unit 12 and the mounting member 111.
[0046] In one embodiment, such as Figure 1 and Figure 2 As shown, the abutting component 2 includes an abutting member 21 and a connecting member 22. One end of the connecting member 22 is connected to the mounting member 111, and the other end is connected to the abutting member 21 to connect the mounting member 111 and the abutting member 21. The abutting member 21 is provided with an abutting part 211, and an installation cavity is formed between the abutting part 211 and the fixing unit 12.
[0047] The connection structure described above includes an abutment component 2 comprising an abutment member 21 and a connector 22. In this embodiment, the abutment member 21 and the connector 22 are respectively an abutment profile and a connecting rod. One end of the connector 22 is connected to the mounting member 111, and the other end is connected to the abutment member 21 to achieve the connection between the mounting member 111 and the abutment member 21. The abutment member 21 can be connected to the main structure 7, and the abutment member 21 is provided with an abutment portion 211. In this embodiment, the abutment portion 211 is an abutment plate. The abutment member 21 can form a mounting cavity with the fixing unit 12 through the abutment portion 211, so that the end of the glass 8 can extend into it.
[0048] In one embodiment, such as Figure 1 and Figure 2 As shown, it also includes an adhesive component 3, which includes a first adhesive component 31 and a second adhesive component 32. The first adhesive component 31 is disposed between the fixing unit 12 and the glass 8, and the second adhesive component 32 is disposed between the abutment portion 211 and the glass 8.
[0049] The connection structure described above includes an adhesive assembly 3 between the fixing unit 12, the abutment 21, and the glass 8. The adhesive assembly 3 specifically includes a first adhesive 31 and a second adhesive 32. In this embodiment, the first adhesive 31 and the second adhesive 32 are respectively a first adhesive and a second adhesive. The first adhesive 31 is disposed between the fixing unit 12 and the glass 8 to enhance the connection strength between the fixing unit 12 and the glass 8. The second adhesive 32 is disposed between the abutment portion 211 on the abutment 21 and the glass 8 to enhance the connection strength between the abutment portion 211 and the glass 8.
[0050] In one embodiment, such as Figure 1 and Figure 2 As shown, it also includes a sealing assembly 4, which is disposed between the mounting member 111 and the main structure 7 and between the abutment member 21 and the main structure 7 to seal the gaps between the mounting member 111 and the abutment member 21 and the main structure 7; the sealing assembly 4 includes a first seal 41 and a second seal 42, the first seal 41 filling the gaps between the mounting member 111 and the abutment member 21 and the main structure 7, and the second seal 42 filling the gaps between the mounting member 111, the main structure 7 and the first seal 41, and between the abutment member 21, the main structure 7 and the first seal 41.
[0051] The connection structure described above, through the sealing assembly 4 disposed between the mounting member 111 and the main structure 7, and between the abutment member 21 and the main structure 7, can seal the gaps between the mounting member 111 and the abutment member 21 and the main structure 7, thereby improving the connection stability between the mounting member 111 and the abutment member 21 and the main structure 7. In addition, the sealing assembly 4 specifically includes a first sealing member 41 and a second sealing member 42. In this embodiment, the first sealing member 41 and the second sealing member 42 are respectively an edge-sealing foam rod and an edge-sealing silicone weather-resistant adhesive. The first sealing member 41 fills the gaps between the mounting member 111 and the abutment member 21 and the main structure 7 to improve the connection stability between the mounting member 111 and the abutment member 21 and the main structure 7. The second sealing member 42 fills the gaps between the mounting member 111, the main structure 7 and the first sealing member 41, and between the abutment member 21, the main structure 7 and the first sealing member 41, to seal the edges of the gaps between the mounting member 111 and the abutment member 21 and the main structure 7.
[0052] In one embodiment, such as Figure 1 and Figure 2 As shown, it also includes a locking assembly 5, which includes a first locking member 51 and a second locking member 52. The first locking member 51 is disposed between the mounting member 111 and the adapter 113, and the second locking member 52 is disposed between the mounting member 111 and the fixing unit 12.
[0053] The connection structure described above utilizes a locking assembly 5 disposed between the mounting unit 11 and the fixing unit 12. The locking assembly 5 specifically includes a first locking member 51 and a second locking member 52. In this embodiment, the first locking member 51 and the second locking member 52 are respectively a first screw and a second screw. The first locking member 51 is disposed between the mounting member 111 and the adapter 113 to connect the mounting member 111 and the adapter 113, while the second locking member 52 is disposed between the mounting member 111 and the fixing unit 12 to connect the mounting member 111 and the fixing unit 12.
[0054] In one embodiment, such as Figure 1 and Figure 2 As shown, it also includes an edge sealing assembly 6, which includes an edge sealing member 61 and a through member 62. The edge sealing member 61 is disposed between the main structure 7 and the abutment member 21, and the through member 62 is adapted to pass through the edge sealing member 61 and connect with the main structure 7 and the abutment member 21.
[0055] The connection structure described above utilizes an edge-sealing assembly 6 disposed between the main structure 7 and the abutment 21. The edge-sealing assembly 6 specifically includes an edge-sealing member 61 and a through member 62. In this embodiment, the edge-sealing member 61 and the through member 62 are respectively an edge-sealing plate and a through screw. The edge-sealing member 61 is disposed between the main structure 7 and the abutment 21, and the through member 62 can penetrate the edge-sealing member 61 to connect with the main structure 7 and the abutment 21, thereby fixing the edge-sealing member 61 between the main structure 7 and the abutment 21 and covering the gap between the abutment 21 and the main structure 7 to improve aesthetics.
[0056] According to an embodiment of the present invention, another aspect also provides a curtain wall system, such as... Figure 1 and Figure 2 As shown, the system includes glass 8 and the aforementioned connection structure. The curtain wall system described above, by incorporating the connection structure, allows for the pre-connection of mounting component 1 and abutment component 2 to the main structure 7 before installation. This enables simultaneous installation of both components on the main structure 7, avoiding sequential installation of individual parts and preventing installation difficulties due to environmental factors. This improves the construction efficiency of the curtain wall system.
[0057] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the appended claims.
Claims
1. A connection structure, characterized in that, include: The mounting assembly (1) includes a mounting unit (11) and a fixing unit (12), wherein the mounting unit (11) is adapted to be connected to the main structure (7), and the fixing unit (12) is disposed on one side of the mounting unit (11) and connected to the mounting unit (11); A contact component (2) is connected to the mounting unit (11), and a mounting cavity is formed between the contact component (2) and the fixing unit (12), the mounting cavity being adapted to accommodate the end of the cavity glass (8).
2. The connection structure according to claim 1, characterized in that, The mounting unit (11) includes a mounting component (111) and a fastener (112). The fastener (112) is disposed through the mounting component (111) and is adapted to be connected to the main structure (7) under the action of external force so as to install the mounting component (111) on the main structure (7).
3. The connection structure according to claim 2, characterized in that, The mounting component (111) is formed with a mounting portion; the mounting unit (11) further includes a connector (113), the connector (113) is disposed in the mounting portion and connected to the mounting component (111), and the fastener (112) is disposed through the connector (113).
4. The connection structure according to claim 3, characterized in that, The fixing unit (12) includes a first fixing member (121), a second fixing member (122), and a splicing member (123). The splicing member (123) has an L-shaped structure, and one end of the splicing member (123) is connected to the first fixing member (121), and the other end is connected to the second fixing member (122). The first fixing member (121) is adapted to be connected to the mounting member (111) to connect the fixing unit (12) and the mounting member (111).
5. The connection structure according to claim 4, characterized in that, The abutting component (2) includes an abutting member (21) and a connecting member (22). One end of the connecting member (22) is connected to the mounting member (111), and the other end is connected to the abutting member (21) to connect the mounting member (111) and the abutting member (21). The abutting member (21) is provided with an abutting portion (211), and the mounting cavity is formed between the abutting portion (211) and the fixing unit (12).
6. The connection structure according to claim 5, characterized in that, It also includes an adhesive assembly (3), which includes a first adhesive member (31) and a second adhesive member (32). The first adhesive member (31) is disposed between the fixing unit (12) and the glass (8), and the second adhesive member (32) is disposed between the abutment portion (211) and the glass (8).
7. The connection structure according to claim 6, characterized in that, It also includes a sealing assembly (4) disposed between the mounting member (111) and the main structure (7) and between the abutment member (21) and the main structure (7) to seal the gaps between the mounting member (111) and the abutment member (21) and the main structure (7); The sealing assembly (4) includes a first seal (41) and a second seal (42), wherein the first seal (41) fills the gap between the mounting member (111) and the abutment member (21) and the main structure (7), and the second seal (42) fills the gap between the mounting member (111), the main structure (7) and the first seal (41), as well as the gap between the abutment member (21), the main structure (7) and the first seal (41).
8. The connection structure according to claim 7, characterized in that, It also includes a locking assembly (5), which includes a first locking member (51) and a second locking member (52). The first locking member (51) is disposed between the mounting member (111) and the adapter (113), and the second locking member (52) is disposed between the mounting member (111) and the fixing unit (12).
9. The connection structure according to claim 8, characterized in that, It also includes an edge sealing assembly (6), which includes an edge sealing member (61) and a through member (62). The edge sealing member (61) is disposed between the main structure (7) and the abutment member (21), and the through member (62) is adapted to pass through the edge sealing member (61) and connect with the main structure (7) and the abutment member (21).
10. A curtain wall system, characterized in that, It includes glass (8) and the connection structure according to any one of claims 1-9.