Multi-layer laminated glass structure
By introducing a support frame, reinforcing ribs, and sound-absorbing material layer into multi-layer laminated glass, the structural failure and low-frequency noise isolation problems of multi-layer laminated glass under extreme conditions are solved, thereby improving overall stability and sound insulation performance.
Patent Information
- Application Number
- CN202520634608.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-07
AI Technical Summary
Existing multilayer laminated glass is prone to structural failure due to uneven internal stress distribution under extreme weather conditions or high-intensity external impacts. It is also prone to breakage at the corners and edges, and has limited effectiveness in isolating low-frequency noise.
The design incorporates a support frame and reinforcing ribs. The support frame is internally reinforced with ribs and filled with a layer of sound-absorbing material. The connectors are connected to the support frame via positioning pins. A polyvinyl butyral membrane is placed between the glass layers. The support frame is made of aluminum alloy and has micropores, and is externally covered with a sealing strip.
It enhances overall stability and resistance to damage, improves sound insulation performance, ensures safety and comfort, prevents damage caused by localized stress concentration, and improves low-frequency noise isolation.
Smart Images

Figure CN223948761U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to glass technical field, concretely to a kind of multilayer laminated glass structure. BACKGROUND
[0002] With the development of modern architecture, the safety, environmental protection and aesthetic requirements of building materials are becoming higher and higher. Among many building materials, glass is widely used because of its transparency, beauty and good optical performance. In particular, laminated glass has become one of the preferred materials for high-rise buildings and places with high safety requirements because of its excellent safety performance and sound insulation effect. Laminated glass is made by adding one or more layers of polyvinyl butyral (PVB) film between two or more pieces of glass and then treating it under high temperature and pressure. Even if it is broken by impact, it will not scatter, greatly improving the safety in use.
[0003] Under extreme weather conditions or high-intensity external impact, the traditional laminated glass structure may fail due to uneven internal stress distribution, especially at the corner parts, which not only affects the overall appearance of the building, but also reduces its service life and safety. In addition, although the laminated glass structure in the prior art has certain improvement in sound insulation, the isolation effect of low-frequency noise is still limited, which is difficult to meet the growing demand for high-quality life. SUMMARY
[0004] The utility model aims to provide a kind of multilayer laminated glass structure, to solve the above background art proposed currently multilayer laminated glass in extreme weather conditions or high-intensity external impact, easy to cause uneven internal stress distribution and lead to structural failure, corner part more easily broken, and the problem of limited low-frequency noise isolation effect.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of multilayer laminated glass structure, including first glass layer, second glass layer and third glass layer, the first glass layer, second glass layer and third glass layer are all equipped with a layer of polyvinyl butyral film between adjacent, the position of the polyvinyl butyral film around the edge between the first glass layer, second glass layer and third glass layer adjacent is equipped with support frame, the inside of the support frame is uniformly provided with several reinforcing ribs, the gap between the reinforcing rib is filled with sound-absorbing material layer, and the four corners of the first glass layer, second glass layer and third glass layer are all equipped with connecting piece, the connecting piece and support frame edge corresponding position are connected by positioning pin.
[0006] Preferably, the support frame is in the shape of a rectangular frame, and the four edges of the support frame are provided with hollow grooves. The reinforcing ribs and sound-absorbing material layer are arranged in the hollow grooves of the support frame.
[0007] Preferably, the support frame is made of aluminum alloy material, the thickness is 2-3mm, and a plurality of micro-holes are uniformly arranged on the four edges of the support frame, the diameter of the micro-hole is 0.5-1mm.
[0008] Preferably, the two ends of the connecting piece are in right angle structure, and the inner wall of the right angle section of the two ends of the connecting piece is tightly combined with the edges of the first glass layer and the third glass layer through the adhesive.
[0009] Preferably, the first glass layer, the second glass layer and the third glass layer are integrally covered with a sealing strip at the position outside the support frame.
[0010] Preferably, the first glass layer and the third glass layer are tempered glass, the thicknesses are 5mm and 6mm respectively, and the second glass layer is ordinary float glass, the thickness is 4mm.
[0011] Compared with the prior art, the beneficial effects of the multilayer laminated glass structure are that: the multilayer laminated glass structure can uniformly disperse external impact force, enhance the overall stability and the anti-breaking ability, especially the impact resistance of the corner part is significantly improved, and the sound insulation performance is improved, and the safety and comfort of use are ensured. The multilayer laminated glass structure is designed through the polyvinyl butyral film between the first glass layer, the second glass layer and the third glass layer, and the synergistic effect of the support frame and the reinforcing rib piece, not only strengthens the overall stability of the structure, but also effectively prevents the damage problem caused by local stress concentration, and the setting of the sound-absorbing material layer further improves the isolation effect of low-frequency noise, and the sealing strip ensures that the structure is not affected by external environmental factors. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a structure schematic view of the multilayer laminated glass structure of the utility model;
[0013] Figure 2 It is a support frame structure schematic view of the multilayer laminated glass structure of the utility model;
[0014] Figure 3 It is a first glass layer, a second glass layer and a third glass layer sequentially connected structure schematic view of the multilayer laminated glass structure of the utility model;
[0015] Figure 4 It is an external side view structure schematic view of the multilayer laminated glass structure of the utility model.
[0016] In the drawing: 1, first glass layer; 2, second glass layer; 3, third glass layer; 4, support frame; 5, reinforcing rib piece; 6, sound-absorbing material layer; 7, connecting piece; 8, positioning pin; 9, micro-hole; 10, sealing strip. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the protection scope of the present application.
[0018] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of multilayer laminated glass structure, including first glass layer 1, second glass layer 2 and third glass layer 3, first glass layer 1, second glass layer 2 and third glass layer 3 between adjacent all are equipped with a layer of polyvinyl butyral film, polyvinyl butyral film uses existing thermoplastic resin film with excellent transparency, flexibility and adhesive property, the position of first glass layer 1, second glass layer 2, third glass layer 3 between adjacent located polyvinyl butyral film four peripheral edges is equipped with support frame 4, the inside of support frame 4 is evenly equipped with several reinforcing ribs 5, reinforcing rib 5 is the sheet made of existing metal or alloy material with toughness, usually has good tensile and compression resistance, the gap between reinforcing rib 5 is filled with sound-absorbing material layer 6, sound-absorbing material layer 6 can be made of existing material with good sound-absorbing performance, usually uses, such as polyester fiber, foamed plastic or other composite material, and the four corners of first glass layer 1, second glass layer 2 and third glass layer 3 edge are all equipped with connecting piece 7, connecting piece 7 and support frame 4 edge corresponding position are connected by positioning pin 8, this structure first glass layer 1, second glass layer 2 and third glass layer 3 are closely connected by polyvinyl butyral film, form a whole multilayer laminated structure, support frame 4 is located at the peripheral edge position between each layer glass, and is firmly connected by positioning pin 8 and connecting piece 7, ensure that the stability and impact resistance of the whole structure in corner part significantly improve, reinforcing rib 5 is evenly distributed in the inside of support frame 4, further strengthen the overall stability of structure, while sound-absorbing material layer 6 is filled between reinforcing rib 5, effectively absorbs and isolates external noise, especially low-frequency noise, greatly improves the sound insulation effect, overall, the multilayer laminated glass structure not only enhances the overall strength of glass, but also can effectively disperse external impact force, avoid breakage caused by local stress concentration, thereby improve the overall anti-breaking ability and sound insulation performance, also solve the problems, such as unstable structure, corner fragile and poor sound insulation effect in prior art, ensure the safety and comfort of use, support frame 4 is overall rectangular frame structure, and the inside of the four edges of support frame 4 is provided with hollow groove, and reinforcing rib 5 and sound-absorbing material layer 6 are arranged in the hollow groove of support frame 4, the support frame 4 as core component provides a solid peripheral protection, ensure the stable connection between first glass layer 1, second glass layer 2 and third glass layer 3, reinforcing rib 5 enhances the mechanical strength and anti-deformation ability of the whole frame, effectively disperses external impact force, reduces the risk of breakage caused by local stress concentration, sound-absorbing material layer 6 is filled between reinforcing rib 5 in the same hollow groove and isolates external noise, improves the sound insulation performance of overall structure, overall optimizes the space utilization of support frame 4, support frame 4 is made of high-strength aluminum alloy material, and the thickness is 2-3 millimeters, and a plurality of micropores 9 are evenly arranged on the four edges of support frame 4, and the diameter of micropore 9 is 0.5-1mm, the structure support frame 4 not only ensures sufficient strength to resist external impact force, but also maintains the lightweight of the overall structure, the micropores 9 not only help to reduce weight, but also further enhance the sound insulation effect by allowing sound waves to enter and be absorbed by the sound-absorbing material layer 6, the two ends of the connecting piece 7 are in right angle structure, and the inner walls of the right angle sections at both ends of the connecting piece 7 are tightly attached to the edges of the first glass layer 1 and the third glass layer 3 through high-strength adhesive, the right angle sections at both ends of the connecting piece 7 can be firmly fixed at the four corner edges of the first glass layer 1 and the third glass layer 3, ensuring the stability and consistency between the layers of glass, the application of high-strength adhesive forms a seamless connection between the connecting piece 7 and the glass layer, enhancing the overall structure's tensile and shear resistance, effectively preventing interlayer slip or separation phenomenon caused by external force, the first glass layer 1, the second glass layer 2 and the third glass layer 3 are entirely covered with sealing strips 10 at the positions between the adjacent layers outside the support frame 4, the sealing strips 10 are tightly attached to the joints between the layers of glass and the support frame 4, ensuring that the entire multi-layer laminated glass structure has excellent air and water tightness, so that the sealing strips 10 not only prevent the intrusion of external moisture, dust and other pollutants, but also effectively block air flow, further enhancing the sound insulation effect of the overall structure, the first glass layer 1 and the third glass layer 3 are tempered glass with thicknesses of 5mm and 6mm respectively, and the second glass layer 2 is ordinary float glass with a thickness of 4mm, the tempered glass of the first glass layer 1 and the third glass layer 3 provides a strong outer protection for the entire multi-layer laminated glass with its high strength and excellent impact resistance, which not only effectively resists external physical impact, but also forms small particle-shaped fragments without sharp corners when damaged, reducing the risk of harm to the human body, the second glass layer 2 ensures the transparency and visual clarity of the overall structure through its moderate thickness and good optical performance, while reducing the overall weight and improving the convenience of installation and use.
[0019] Working principle: when using the multilayer laminated glass structure, first lay a layer of polyvinyl butyral film between the first glass layer 1, the second glass layer 2 and the third glass layer 3, and tightly combine the three layers of glass together through the thermoplastic resin film to form a whole multilayer laminated structure, and install the supporting frame 4 at the position of the four peripheral edges of the polyvinyl butyral film, and evenly distribute the reinforcing rib plates 5 in the hollow grooves inside the supporting frame 4, at the same time, the sound-absorbing material layer 6 is filled in the gap between the reinforcing rib plates 5, the several micropores 9 on the four edge frames of the supporting frame 4 help to reduce the overall weight and allow sound waves to enter the sound-absorbing material layer 6, next, the connecting piece 7 is firmly connected with the corresponding position of the edge of the supporting frame 4 through the positioning pin 8, which ensures that the stability and impact resistance of the whole structure at the corner part are significantly improved, finally, the sealing strip 10 is integrally coated outside the supporting frame 4 between the first glass layer 1, the second glass layer 2 and the third glass layer 3, so that the whole multilayer laminated glass structure has excellent air tightness and water tightness, thereby completing a series of work.
[0020] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A multi-layer laminated glass structure comprising a first glass layer (1), a second glass layer (2) and a third glass layer (3), each of the first glass layer (1), the second glass layer (2) and the third glass layer (3) being adjacent to each other and being provided with a layer of polyvinyl butyral film, characterized in that: The first glass layer (1), the second glass layer (2) and the third glass layer (3) are provided with a support frame (4) at the position of the peripheral edge of the polyvinyl butyral film, the inside of the support frame (4) is uniformly provided with a plurality of reinforcing ribs (5), the gap between the reinforcing ribs (5) is filled with a sound-absorbing material layer (6), and the four corners of the first glass layer (1), the second glass layer (2) and the third glass layer (3) are provided with connecting pieces (7), the connecting pieces (7) and the corresponding positions of the edge of the support frame (4) are connected through positioning pins (8).
2. The multi-layer laminated glass structure of claim 1, wherein: The support frame (4) is in the shape of a rectangular frame, and the inside of the four edges of the support frame (4) is provided with a hollow groove, and the reinforcing ribs (5) and the sound-absorbing material layer (6) are arranged in the hollow groove of the support frame (4).
3. The multi-layer laminated glass structure of claim 2, wherein: The support frame (4) is made of aluminum alloy material, and the thickness is 2-3mm, and a plurality of micro-holes (9) are uniformly arranged on the four edges of the support frame (4), and the diameter of the micro-holes (9) is 0.5-1mm.
4. The multi-layer laminated glass structure of claim 1, wherein: The two ends of the connecting piece (7) are in the shape of a right angle, and the inner wall of the right angle section of the two ends of the connecting piece (7) is tightly combined with the edges of the first glass layer (1) and the third glass layer (3) through an adhesive.
5. The multi-layer laminated glass structure of claim 1, wherein: The first glass layer (1), the second glass layer (2) and the third glass layer (3) are provided with a support frame (4) at the position of the peripheral edge of the polyvinyl butyral film, the inside of the support frame (4) is uniformly provided with a plurality of reinforcing ribs (5), the gap between the reinforcing ribs (5) is filled with a sound-absorbing material layer (6), and the four corners of the first glass layer (1), the second glass layer (2) and the third glass layer (3) are provided with connecting pieces (7), the connecting pieces (7) and the corresponding positions of the edge of the support frame (4) are connected through positioning pins (8).
6. The multi-layer laminated glass structure of claim 1, wherein: The first glass layer (1) and the third glass layer (3) are tempered glass, and the thicknesses are 5mm and 6mm respectively, and the second glass layer (2) is ordinary float glass, and the thickness is 4mm.