A sealing structure of a vacuum composite insulating glass

CN224931560UActive Publication Date: 2026-11-03ZHEJIANG JINGTAI GLASS TECH
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Patent Information

Application Number
CN202522648085.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-15
Publication Date
2026-11-03
Estimated Expiration
2035-12-15

AI Technical Summary

Technical Problem

Existing insulated glass units suffer from problems such as poor sealing system integrity, gaps easily appearing between the glass and the frame, difficulty in maintaining a vacuum state, reduced thermal and sound insulation performance, glass displacement, and condensation and fogging on the inner wall.

Method used

The system employs a multi-layered sealing structure, including a first sealing material that fills the gap between the glass and the frame, a second sealing material that is fixedly connected to the first sealing material, a spacer that provides rigid support, an adhesive sealing area that is fixed, an outer frame that is sealed and covered, a venting section that is evacuated, and a spacer that holds a desiccant to absorb moisture.

Benefits of technology

A tight multi-layered sealing barrier is constructed to maintain the vacuum state of the hollow cavity, improve thermal insulation and sound insulation performance, prevent glass displacement, eliminate condensation and fogging on the inner wall, and ensure stable light transmission performance.

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Abstract

The utility model belongs to glass seal technical field especially relates to a kind of sealing structure of vacuum composite hollow glass, comprising: two groups of frame, the one end of frame is provided with protruding part, the side of two groups of protruding part is provided with first fixed slot, and first glass is provided between the first fixed slot of two groups, the one end of two groups of frame is provided with second fixed slot, and second glass is provided between the second fixed slot of two groups, and hollow cavity is provided between the first glass and second glass;Compared with prior art, the utility model constructs complete and rigorous multi-seal barrier, fills up each joint gap, maintains hollow cavity vacuum state, improves the heat preservation and sound insulation performance of hollow glass, avoids the glass deviation caused by external force or environmental factor, solves glass inner wall dewing, fog problem, and guarantees the stable light transmission performance of hollow glass.
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Description

Technical Field

[0001] This utility model belongs to the field of glass sealing technology, and in particular relates to a sealing structure for vacuum composite insulating glass. Background Technology

[0002] Vacuum composite insulated glass is a high-performance building glass that combines vacuum glass and insulated glass technology. Its structure consists of an outer insulated glass layer and an inner vacuum glass layer. The vacuum layer seals the two glass panes around the perimeter with glass solder, and the air extraction hole is sealed with a sealing sheet and glass powder. The insulated layer is airtightly connected by a high-strength composite adhesive.

[0003] Chinese patent publication number 201921305437.0 discloses a sealing structure for insulated glass, including glass sheets, a metal profile, sealant, and a desiccant. Two glass sheets are arranged parallel to each other, and a metal profile is fixedly installed along the edge between the two glass sheets using sealant. The metal profile and the two glass sheets form a cavity. The key feature is that the metal profile is a long strip structure with a concave groove. The desiccant is placed within the concave groove, and DuPont paper is attached to the top of the desiccant. A mesh metal cover plate is attached to the top of the concave groove. This invention places the desiccant with DuPont paper attached to its surface in the groove of the long strip metal profile, and attaches a cover plate to the top of the groove. This ensures that the desiccant does not leak into the cavity of the insulated glass while increasing the contact area between the desiccant and the gas in the insulated glass, thus improving the drying effect.

[0004] However, existing technologies have the following problems when used: 1. Currently, some insulated glass units have poor sealing system integrity during use. Gaps are prone to appear between the glass and the frame, and at the joints of various sealing components, making it difficult to maintain the vacuum state of the hollow cavity and reducing the thermal insulation and sound insulation performance. 2. The gap between the glass panes lacks a stable and reliable support structure, making them prone to displacement under external forces or environmental influences, which further damages the sealing effect; 3. Residual moisture and permeated humidity inside the hollow cavity are difficult to remove effectively, which can easily cause condensation and fogging on the inner wall of the glass, affecting light transmittance; Utility Model Content

[0005] The purpose of this utility model is to address the aforementioned technical problems by providing a sealing structure for vacuum composite insulating glass, comprising: Two sets of frames, one end of each frame is provided with a protrusion, the two sets of protrusions are provided with a first fixing groove on the side of each other, a first glass is provided between the two sets of first fixing grooves, a second fixing groove is provided at the end of each set of frames that are close to each other, a second glass is provided between the two sets of second fixing grooves, and a hollow cavity is provided between the first glass and the second glass. The hollow cavity is provided with a first sealing material on both the upper and lower sides for sealing the gap between the first glass and the second glass and the frame. The sidewalls of the first glass and the second glass that are close to each other are provided with a second sealing material. The second sealing material is fixedly installed with the first sealing material. A spacer is provided between the two sets of second sealing materials for fixing the distance between the first glass and the second glass. The two ends of the frame are provided with outer frames for fixing the first glass and the second glass, and the outer frames are used to seal and cover the opposite sides of the hollow cavity.

[0006] Furthermore, mounting portions are fixedly provided at both ends of the top of the protrusion, and mounting holes are provided on the side walls of the mounting portions.

[0007] Furthermore, the frame and the protrusion are integrally formed.

[0008] Furthermore, the spacer includes a spacer plate, which is fixedly disposed between two sets of the second sealing material, and the bottom of the spacer plate has a placement groove for placing a desiccant.

[0009] Furthermore, a sealing area is provided between the protrusion and the side wall of the first glass, and the sealing area is sealed and fixed to the protrusion and the first glass using an adhesive.

[0010] Furthermore, a sealing strip is bonded between one end of the frame and the sidewall of the second glass.

[0011] Furthermore, the sidewalls of the outer frame are provided with ventilation sections.

[0012] Furthermore, the inner cavity of the mounting hole is provided with a threaded groove.

[0013] Furthermore, the second sealing material is bonded to the first sealing material using a silicone adhesive.

[0014] Furthermore, the shape of the outer frame is adapted to the shape of the combination of the two sets of frames.

[0015] Compared with existing technologies, the sealing structure of the vacuum composite insulating glass of this invention has the following advantages: 1. By filling the gap between the glass and the frame with the first sealing material, and coordinating the second sealing material with the first sealing material, and supplementing with the sealing adhesive and the sealing strip between the frame and the second glass, a complete and tight multi-layer sealing barrier is constructed to fill the gaps at each joint, maintain the vacuum state of the hollow cavity, and improve the thermal insulation and sound insulation performance of the insulating glass. 2. The spacer between the two sets of second sealing materials can provide rigid support to maintain the preset distance between the first glass and the second glass, avoid glass displacement caused by external force or environmental factors, and structurally ensure the durability of the sealing effect; 3. The slot on the spacer can hold desiccant, which can continuously absorb residual water vapor and trace amounts of moisture that permeate into the hollow cavity, solving the problems of condensation and fogging on the inner wall of the glass and ensuring the stable light transmission performance of the insulating glass. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a partially disassembled structural diagram of this utility model; Figure 3 This is a structural diagram of the sealing area of ​​this utility model; Figure 4 This is a structural diagram of the framework of this utility model.

[0017] The markings in the diagram are as follows: 100, Frame; 110, Protrusion; 111, Mounting part; 112, Mounting hole; 120, First fixing groove; 121, First glass; 130, Second fixing groove; 131, Second glass; 132, Hollow cavity; 140, First sealing material; 150, Spacer plate; 151, Second sealing material; 152, Placement groove; 160, Sealing area; 170, Sealing strip; 180, Outer frame; 181, Ventilation part. Detailed Implementation

[0018] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0019] It should be noted that all directional and positional terms used in this utility model, such as "up," "down," "left," "right," "front," "back," "vertical," "horizontal," "inner," "outer," "top," "lower," "lateral," "longitudinal," and "center," are only used to explain the relative positional relationships and connection arrangements between components in a specific state (as shown in the accompanying drawings). They are merely for the convenience of describing this utility model and do not require that this utility model be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this utility model. Furthermore, descriptions involving "first," "second," etc., in this utility model are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated.

[0020] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0022] like Figures 1-4 As shown, a sealing structure for a vacuum composite insulating glass unit includes: Two sets of frames 100, one end of each frame 100 is provided with a protrusion 110, the two sets of protrusions 110 are provided with a first fixing groove 120 on the side that is close to each other, a first glass 121 is provided between the two sets of first fixing grooves 120, a second fixing groove 130 is provided at the end that is close to each other, a second glass 131 is provided between the two sets of second fixing grooves 130, and a hollow cavity 132 is provided between the first glass 121 and the second glass 131. Both the upper and lower sides of the hollow cavity 132 are provided with first sealing material 140 for sealing the gap between the first glass 121 and the second glass 131 and the frame 100. The sidewalls of the first glass 121 and the second glass 131 that are close to each other are provided with second sealing material 151. The second sealing material 151 and the first sealing material 140 are fixedly installed. A spacer is provided between the two sets of second sealing materials 151 for fixing the distance between the first glass 121 and the second glass 131. The two ends of the frame 100 are provided with outer frames 180 for fixing the first glass 121 and the second glass 131. The outer frames 180 are used to seal and cover the opposite sides of the hollow cavity 132.

[0023] As a preferred example of this utility model, the two side edges of the first glass 121 are embedded in two sets of first fixing grooves 120 for positioning; the two side edges of the second glass 131 are correspondingly inserted into the second fixing grooves 130, forming a sealed hollow cavity 132 between the first glass 121 and the second glass 131. The upper and lower sides of the hollow cavity 132 are provided with first sealing material 140, which tightly fills the gap between the first glass 121, the second glass 131 and the frame 100. The opposite sidewalls of the first glass 121 and the second glass 131 are fitted with second sealing material 151. The second sealing material 151 and the first sealing material 140 are fixedly connected to form a complete sealing system. A spacer is also provided between the two sets of second sealing materials 151 to maintain the distance between the two glass pieces. Finally, the two ends of the frame 100 are fitted with outer frames 180 to lock the first glass 121, the second glass 131 and the frame 100.

[0024] In the example of this application, mounting portions 111 are fixedly provided at both ends of the top of the protrusion 110, and mounting holes 112 are provided on the side wall of the mounting portion 111.

[0025] As a preferred example of this utility model, mounting portions 111 are integrally formed at both ends of the top of the protrusion 110. The side wall of the mounting portion 111 is provided with through mounting holes 112 in the horizontal direction. The mounting holes 112 can be adapted to common connecting parts such as bolts and rivets. Workers can fix the entire insulated glass structure in the preset mounting position through the mounting holes 112.

[0026] In the example of this application, the frame 100 and the protrusion 110 are integrally molded from plastic.

[0027] As a preferred example of this utility model, the frame 100 and the protrusion 110 are manufactured using an integral molding process, eliminating the assembly gap between the two.

[0028] In the example of this application, the spacer includes a spacer plate 150, which is fixedly disposed between two sets of second sealing materials 151, and the bottom of the spacer plate 150 is provided with a placement groove 152 for placing a desiccant.

[0029] As a preferred example of this utility model, the two ends of the spacer 150 are respectively tightly fixed to two sets of second sealing materials 151. Through the rigid support of the spacer 150, the preset distance between the first glass 121 and the second glass 131 can always be maintained, ensuring the dimensional stability of the hollow cavity 132. At the same time, a long strip-shaped placement groove 152 is provided at the bottom of the spacer 150 along the length direction, which can be specially used to hold granular or sheet-like desiccant. The desiccant can continuously absorb the residual water vapor and the permeated trace moisture in the hollow cavity 132, preventing condensation and fogging from occurring on the inner walls of the first glass 121 and the second glass 131.

[0030] In the example of this application, a sealing area 160 is provided between the protrusion 110 and the side wall of the first glass 121, and the sealing area 160 is sealed and fixed with adhesive to the protrusion 110 and the first glass 121.

[0031] As a preferred example of this utility model, a sealing area 160 is provided in the contact area between the protrusion 110 and the side wall of the first glass 121. The sealing area 160 is filled and sealed with a high-viscosity, aging-resistant adhesive. The adhesive can fully wet and fill the tiny gaps between the two, forming a reliable sealing barrier.

[0032] In the example of this application, a sealing strip 170 is bonded between one end of the frame 100 and the sidewall of the second glass 131.

[0033] As a preferred example of this utility model, a highly elastic sealing strip 170 is specially bonded to one side wall of the frame 100 near the second glass 131. The sealing strip 170 is made of weather-resistant rubber material, with one side tightly fitted to the frame 100 and the other side seamlessly contacting the side wall of the second glass 131, which can fill the gap between the frame 100 and the second glass 131 and form an additional sealing and protective layer.

[0034] In the example of this application, the sidewall of the outer frame 180 is provided with a vent 181.

[0035] As a preferred example of this utility model, a through vent 181 is machined on the side wall of the outer frame 180. During the vacuuming process of the hollow cavity 132, the vent 181 can provide a smooth exhaust channel for the air inside the cavity, making it easy to quickly and thoroughly extract the air from the hollow cavity 132 and achieve a vacuum state in the hollow cavity 132. In subsequent use, the vent 181 is blocked.

[0036] In the example of this application, the inner cavity of the mounting hole 112 is provided with a threaded groove.

[0037] As a preferred example of this utility model, the specifications of the threaded groove can be matched with the corresponding model of threaded connector according to the actual installation requirements. When the bolt or other threaded connector is screwed into the mounting hole 112, the threaded groove can form a firm thread engagement with the connector, which improves the tightness of the connection.

[0038] In the example of this application, the second sealant 151 is bonded to the first sealant 140 by a silicone adhesive.

[0039] As a preferred example of this utility model, silicone adhesives have excellent bonding strength, ensuring that the second sealing material 151 and the first sealing material 140 are tightly bonded without separation gaps. They also have good resistance to high and low temperatures, aging, and chemical corrosion, maintaining a stable bonding effect even in harsh outdoor environments, thus ensuring the integrity and durability of the sealing system. Specifically, one of the core methods for fixing insulating glass is adhesive fixation, such as butyl rubber, silicone structural adhesive, and polysulfide sealant. These have become mature industry standards, and their compatibility with the glass substrate, aluminum spacer, aluminum profile frame, and other substrates of insulating glass has been verified over a long period of time. They can form a stable chemical bonding interface, and the bonding strength can meet the wind pressure and seismic resistance requirements of building curtain walls, doors, windows, and other scenarios. In this application, the fixing of the frame 100 to the first glass 121 and the second glass 131, as well as the fixing of the frame 100 to the outer frame 180, all use this type of existing adhesive for fixing and installation. This is prior art and will not be described in detail here.

[0040] In the example of this application, the shape of the outer frame 180 is adapted to the shape of the combination of the two sets of frames 100.

[0041] As a preferred example of this utility model, the outer frame 180 is perfectly matched with the outer perimeter of the two sets of frames 100. When the outer frame 180 is fitted onto both ends of the frame 100, its inner wall can fit against the outer wall of the frame 100, the edges of the first glass 121 and the second glass 131, thereby achieving full wrapping and fastening of the core components, improving the compactness of the entire structure, and strengthening the overall stability and impact resistance of the structure.

[0042] In practical use, one end of the frame 100 has an integrally formed protrusion 110, both of which are made of plastic. Mounting parts 111 are fixedly installed at both ends of the top of the protrusion 110. A through mounting hole 112 is opened on the side wall of the mounting part 111, and a threaded groove is opened in the inner cavity of the mounting hole 112. A first fixing groove 120 is opened on the side where the two sets of protrusions 110 are close to each other. The two side edges of the first glass 121 are embedded in the two sets of first fixing grooves 120 for positioning. An annular sealing area 160, sealed with adhesive, is provided between the protrusion 110 and the side wall of the first glass 121. A second fixing groove 130 is opened at the end where the two sets of frames 100 are close to each other. The two side edges of the second glass 131 are correspondingly inserted into the second fixing groove 130. A sealing strip 170 is adhered to the side wall of the frame 100 near the second glass 131. One side of the sealing strip 170 is tightly fitted to the frame 100, and the other side is tightly fitted to the side of the second glass 131. The walls are in seamless contact. A hollow cavity 132 is formed between the first glass 121 and the second glass 131. The upper and lower sides of the hollow cavity 132 are provided with a first sealing material 140 that tightly fills the gap between the first glass 121, the second glass 131 and the frame 100. The side walls of the first glass 121 and the second glass 131 that are close to each other are attached with a second sealing material 151. The second sealing material 151 is bonded and fixed to the first sealing material 140 by a silicone adhesive to form a complete sealing system. A spacer 150 is fixedly provided between the two sets of second sealing materials 151. The bottom of the spacer 150 is provided with a placement groove 152 for placing desiccant. The two ends of the frame 100 are fitted with outer frames 180. The shape of the outer frame 180 is adapted to the shape of the two sets of frames 100 after combination, and its inner wall is perfectly fitted with the outer wall of the frame 100, the edge of the first glass 121 and the second glass 131. A through vent 181 is processed on the side wall of the outer frame 180.

[0043] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A sealing structure for vacuum composite insulating glass, characterized in that, include: Two sets of frames (100), one end of each frame (100) is provided with a protrusion (110), a first fixing groove (120) is provided on the side of the two sets of protrusions (110) that are close to each other, a first glass (121) is provided between the two sets of first fixing grooves (120), a second fixing groove (130) is provided on the side of the two sets of frames (100) that are close to each other, a second glass (131) is provided between the two sets of second fixing grooves (130), and a hollow cavity (132) is provided between the first glass (121) and the second glass (131). The hollow cavity (132) is provided with a first sealing material (140) on both the upper and lower sides for sealing the gap between the first glass (121) and the second glass (131) and the frame (100). The sidewalls of the first glass (121) and the second glass (131) that are close to each other are provided with a second sealing material (151). The second sealing material (151) and the first sealing material (140) are fixedly installed. A spacer is provided between the two sets of second sealing materials (151) for fixing the distance between the first glass (121) and the second glass (131). The two ends of the frame (100) are provided with an outer frame (180) for fixing the first glass (121) and the second glass (131), and the outer frame (180) is used to seal and cover the opposite sides of the hollow cavity (132).

2. The sealing structure of a vacuum composite insulating glass according to claim 1, characterized in that, The top two ends of the protrusion (110) are fixedly provided with mounting parts (111), and the side wall of the mounting part (111) is provided with mounting holes (112).

3. The sealing structure of a vacuum composite insulating glass according to claim 1, characterized in that, The frame (100) and the protrusion (110) are integrally formed.

4. The sealing structure of a vacuum composite insulating glass according to claim 1, characterized in that, The spacer includes a spacer plate (150), which is fixedly disposed between two sets of the second sealing material (151). The bottom of the spacer plate (150) is provided with a placement groove (152) for placing a desiccant.

5. The sealing structure of a vacuum composite insulating glass according to claim 1, characterized in that, A sealing area (160) is provided between the protrusion (110) and the side wall of the first glass (121), and the sealing area (160) is used to seal and fix the protrusion (110) and the first glass (121) with adhesive.

6. The sealing structure of a vacuum composite insulating glass according to claim 1, characterized in that, A sealing strip (170) is bonded between one end of the frame (100) and the side wall of the second glass (131).

7. The sealing structure of a vacuum composite insulating glass according to claim 1, characterized in that, The outer frame (180) has a ventilation section (181) on its side wall.

8. The sealing structure of a vacuum composite insulating glass according to claim 2, characterized in that, The inner cavity of the mounting hole (112) is provided with a threaded groove.

9. The sealing structure of a vacuum composite insulating glass according to claim 8, characterized in that, The second sealing material (151) is bonded to the first sealing material (140) by a silicone adhesive.

10. The sealing structure of a vacuum composite insulating glass according to claim 7, characterized in that, The shape of the outer frame (180) is adapted to the shape of the two sets of frames (100) combined.

Citation Information

Patent Citations

  • Sealing structure of hollow glass

    CN211038357U