Bent tempered glass subjected to sand blasting treatment

Abstract

The utility model relates to the technical field of toughened glass, in particular to bent toughened glass subjected to sand blasting treatment, which comprises two layers of glass substrates, a layer of transparent high-molecular polymer film is arranged between the two layers of glass substrates, and support structures are arranged on the sides, close to each other, of the two layers of glass substrates. The toughened glass is formed by mutually overlapping the two layers of glass substrates, and the supporting structure is arranged between the two layers of glass substrates, so that the strength of the toughened glass can be better improved, the stress of the toughened glass can be effectively dispersed, and the cracking condition can be reduced; the two layers of glass substrates can be attached to each other, and when external force is borne, the two layers of glass are not stressed independently and resist synergistically through the supporting structure, so that the bearing capacity of the glass structure is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of tempered glass technology, and in particular to a sandblasted bent tempered glass. Background Technology

[0002] Tempered glass is a specially treated type of glass that significantly improves performance compared to ordinary glass. During manufacturing, high-quality glass is first heated to near its softening point and then rapidly cooled, creating a uniform compressive stress layer on the surface and a tensile stress layer inside. This unique stress structure gives tempered glass excellent mechanical strength, making it several times more impact-resistant than ordinary glass. It can effectively withstand impacts from daily use, reducing the risk of breakage. Moreover, even if it breaks, tempered glass shatters into small, blunt-angled pieces, minimizing injury and greatly enhancing safety.

[0003] Traditional curved tempered glass suffers from severe stress concentration when subjected to external forces. When subjected to heavy snowfall, the glass is prone to cracking due to excessive localized stress. Effective stress dispersion is crucial for structural safety. Furthermore, single-structure glass cannot achieve functional expansion or improve the sound and heat insulation properties of tempered glass. Utility Model Content

[0004] The purpose of this invention is to provide a sandblasted curved tempered glass that solves the problem of severe stress concentration in curved tempered glass under external forces. When subjected to heavy snowfall, the glass is prone to cracking due to excessive localized stress. This invention effectively disperses stress and ensures structural safety. Furthermore, single-structure glass cannot achieve functional expansion or improve the sound and heat insulation properties of tempered glass.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A sandblasted curved tempered glass includes a glass substrate, which is configured as two layers, with a transparent polymer film disposed between the two glass substrate layers, and a support structure is provided on the side of each of the two glass substrate layers that are close to each other.

[0007] Preferably, the polymer film is made of polyvinyl butyral.

[0008] Preferably, each of the two glass substrates has an elongated groove on the side where they are close to each other, and the support structure is disposed inside the elongated groove, so that the two glass substrates can fit together.

[0009] Preferably, the long grooves on the surfaces of the two glass substrates are staggered, so that the supporting structures are interlaced.

[0010] Preferably, the support structure is made of ceramic micropillars.

[0011] Preferably, the glass substrate is made of sodium-calcium-silicon glass sheet, and the two glass substrates are sandblasted on the sides that are far apart from each other to form a frosted surface. After sandblasting, the two glass substrates are tempered.

[0012] Preferably, polyvinyl butyral is used as an interlayer material between the two glass substrates, and the interlayer is tightly bonded to the two glass substrates through a hot-pressing process.

[0013] This utility model has at least the following beneficial effects:

[0014] Tempered glass is formed by stacking two glass substrates together and setting a support structure between the two glass substrates. This can better improve the strength of the tempered glass itself, effectively disperse the stress of the tempered glass, and reduce the possibility of breakage. Moreover, the support structure formed by ceramic micropillars is set inside the long groove, so that the two glass substrates can fit together. When subjected to external forces, the two glass layers no longer bear the force alone, but resist it together through the support structure, which greatly improves the load-bearing capacity of the glass structure. The set polymer film can play a good role in sound insulation and heat insulation, and can also bond the two glass substrates together well to form a whole. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments 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 based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the long groove structure of this utility model.

[0018] In the diagram: 1. Glass substrate; 2. Polymer film; 3. Supporting structure; 4. Frosted surface; 5. Long groove. Detailed Implementation

[0019] 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, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0021] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0022] All electrical components mentioned in this article are connected to an external main controller and 220V AC mains power, and the main controller can be a conventional known device such as a computer that can control it.

[0023] In the description of the embodiments of this utility model, it should be noted that the terms "inner", "outer", "upper", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] Reference Figure 1-2 A type of sandblasted curved tempered glass is disclosed, comprising a two-layer glass substrate 1 with a transparent polymer film 2 between the two layers. Support structures 3 are provided on the sides of the two glass substrates 1 that are close to each other. These support structures 3 act like a steel skeleton within the glass, significantly enhancing the overall structural strength of the glass. Under external forces, the support structures 3 effectively disperse stress, preventing the glass from cracking due to localized stress concentration. By uniformly transmitting stress throughout the entire glass substrate 1, the load-bearing capacity of the glass is greatly improved, effectively reducing the risk of breakage and extending its service life.

[0025] Furthermore, the polymer film 2 is made of polyvinyl butyral. The presence of the film enhances the impact resistance of the glass. When subjected to external impact, the film can effectively prevent glass fragments from flying, while also improving the sound insulation and heat insulation effect of the glass.

[0026] Furthermore, each of the two glass substrates 1 has an elongated groove 5 on its side closest to each other. The support structure 3 is located inside the elongated groove 5, allowing the two glass substrates 1 to fit together. The elongated groove 5 provides precise positioning for the support structure 3. When the two glass substrates 1 are fitted together by the support structure 3, the support structure 3 is evenly distributed within the elongated groove 5, ensuring consistent tightness of the glass in all positions. This tight and uniform fitting effectively avoids air leakage or localized stress concentration caused by poor fitting, improving overall performance and saving significant space. The close proximity of the two glass substrates 1 makes the entire glass assembly structure more compact. In the space-constrained design of automotive sunroofs, this compact structure ensures sufficient strength without occupying excessive interior space, improving the practicality of the vehicle's interior. When subjected to external forces, the two glass layers no longer bear the load independently but work together through the support structure 3, significantly improving the load-bearing capacity of the glass structure and ensuring building safety.

[0027] Furthermore, the elongated grooves 5 on the surfaces of the two glass substrates 1 are staggered, causing the supporting structures 3 to interweave and construct a stable mechanical support system within the glass. When the glass is subjected to external forces, such as wind pressure or impact, the stress is more evenly distributed across the entire glass substrate 1 through the supporting structures 3, preventing stress concentration in localized areas that could lead to glass breakage. In building curtain wall applications, this structure effectively enhances the glass's ability to withstand wind pressure during strong winds, significantly reducing the risk of glass breakage.

[0028] Furthermore, the support structure 3 employs ceramic micropillars, which enhance the structural stability of the glass under bending conditions, further disperse stress, and reduce the risk of breakage due to stress concentration. When large-size curved tempered glass is used in large building domes, the built-in support structure 3 can significantly improve the load-bearing capacity of the glass. In production, a sol containing ceramic precursors is first prepared. After pretreating the glass substrate 1, the sol is filled into the long grooves 5 on the surface of the glass substrate 1. Then, through processes such as drying and sintering, the sol is transformed into a ceramic micropillar structure.

[0029] Furthermore, the glass substrate 1 is made of sodium-calcium-silicon glass sheet, and the sides of the two glass substrates 1 that are far apart from each other are sandblasted. After sandblasting, the two glass substrates 1 are tempered.

[0030] Furthermore, polyvinyl butyral is used as an interlayer material between the two glass substrates 1, and the interlayer is tightly bonded to the two glass substrates 1 through a hot pressing process.

[0031] In summary, when preparing bent tempered glass, firstly, a soda-lime-silica glass sheet is selected and cut to a suitable size according to product design requirements. Then, the glass sheet is placed in a specially designed mold with pre-reserved spaces of a specific shape and size to form a long groove 5 on the glass surface. In a heating furnace, the temperature is raised to the softening temperature range of soda-lime-silica glass, causing the glass sheet to gradually soften within the mold. At this point, under the constraint of the mold and the action of specific external forces, the glass sheet begins to conform to the mold contour, slowly bending and shaping, forming a long groove 5 on the glass surface corresponding to the pre-reserved space in the mold.

[0032] After the glass is bent and shaped, it is removed from the heating furnace and cooled to a suitable temperature. Then, the two surfaces of the glass substrate 1 that are far apart from each other are sandblasted. Through the sandblasting process, a frosted surface 4 with a certain degree of roughness is formed on the glass surface, which not only increases the friction of the glass surface and improves the safety of use, but also gives the glass a unique appearance and anti-glare function.

[0033] After sandblasting, the glass is sent back into the tempering furnace. Inside the furnace, the glass is heated to a specific temperature close to its softening point and rapidly cooled at a specific rate, causing a uniform compressive stress layer to form on the surface and a tensile stress layer to form inside, thus completing the tempering process. Through this series of processes, a curved tempered glass with a long groove structure, sandblasted surface, and tempered finish is finally formed.

[0034] Tempered glass is formed by stacking two glass substrates 1 on top of each other, and a support structure 3 is set between the two glass substrates 1. This can better improve the strength of the tempered glass itself, effectively disperse the stress of the tempered glass, and reduce the possibility of breakage. Moreover, the support structure 3 formed by ceramic micropillars is set inside the long groove 5, so that the two glass substrates 1 can fit together. When subjected to external force, the two glass layers no longer bear the force alone, but resist it together through the support structure 3, which greatly improves the load-bearing capacity of the glass structure.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A type of sandblasted curved tempered glass, characterized in that, It includes a glass substrate (1), which is configured as two layers, and a transparent polymer film (2) is disposed between the two glass substrates (1). A support structure (3) is disposed on the side of the two glass substrates (1) that are close to each other.

2. The sandblasted curved tempered glass according to claim 1, characterized in that, The polymer film (2) is made of polyvinyl butyral.

3. The sandblasted curved tempered glass according to claim 1, characterized in that, Both of the two glass substrates (1) are provided with long grooves (5) on the side that are close to each other, and the support structure (3) is provided inside the long grooves (5), so that the two glass substrates (1) can fit together.

4. The sandblasted curved tempered glass according to claim 1, characterized in that, The long grooves (5) on the surfaces of the two glass substrates (1) are staggered, so that the supporting structures (3) are interlocked.

5. The sandblasted bent tempered glass according to claim 1, characterized in that, The supporting structure (3) is made of ceramic micropillars.

6. The sandblasted curved tempered glass according to claim 1, characterized in that, The glass substrate (1) is made of sodium-calcium-silicon glass sheet. Both sides of the two glass substrates (1) that are far apart from each other are sandblasted to form a frosted surface (4). The two glass substrates (1) are then tempered after sandblasting.

7. The sandblasted bent tempered glass according to claim 1, characterized in that, Polyvinyl butyral is used as an interlayer material between the two glass substrates (1) and the interlayer is bonded tightly to the two glass substrates (1) through a hot pressing process.

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