Sound insulation and noise reduction composite glass

Abstract

The utility model provides sound insulation and noise reduction composite glass. The sound insulation and noise reduction composite glass comprises a first glass unit, a second glass unit and an outer frame, a first mounting groove, a second mounting groove and a clamping block are arranged on the inner side of the outer frame; the first glass unit comprises a first glass slide, a first damping glue layer and a second glass slide which are sequentially overlapped, the end part of the first glass unit is matched and connected with the first mounting groove, the second glass slide is positioned on one side relatively close to the second glass unit, and the thickness of the second glass slide is smaller than that of the first glass slide; the second glass unit comprises a third slide, the thickness of the third slide is greater than that of the second slide, and the end part of the second glass unit is matched and connected with the second mounting groove; a hollow inner cavity is formed between the first glass unit and the second glass unit. According to the utility model, the noise intensity is reduced through the damping glue layer and the hollow inner cavity, and the resonance phenomenon is avoided by designing the thickness of the slide, so that better sound insulation and noise reduction effects are realized.

Description

Technical Field

[0001] This utility model relates to the field of laminated glass technology, and specifically to a composite glass for sound insulation and noise reduction. Background Technology

[0002] With increasingly frequent production activities and higher residential concentrations, how to avoid noise pollution has become an important social issue, and traditional glass is gradually failing to meet people's sound insulation needs.

[0003] Patent application CN201920274427.9 discloses a sound-insulating and noise-reducing glass, comprising a hollow layer, support strips, laminated glass, tempered glass, and a sound-insulating layer. Support strips are provided at both ends of the hollow layer. One end of each support strip is fixedly connected to one side of the laminated glass. The other sides of both laminated glass panes are fixedly connected to one side of the tempered glass. The other sides of both tempered glass panes are fixedly connected to the sound-insulating layer. Both ends of the sound-insulating layer are fixedly connected to one end of a third connecting block. The laminated glass comprises a first glass layer, a sound-insulating damping film layer, and a second glass layer. In this design, the sound-insulating damping film layer in the laminated glass works in conjunction with the hollow layer between the two laminated glass panes, resulting in good sound insulation. However, the overall glass structure is complex, costly, and relatively heavy, hindering its widespread application. Utility Model Content

[0004] To address the aforementioned problems, this utility model discloses a sound-insulating and noise-reducing composite glass. This composite glass has a good sound insulation and noise reduction effect, and its overall structure is relatively lightweight.

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

[0006] A sound-insulating and noise-reducing composite glass includes a first glass unit, a second glass unit, and an outer frame. The inner side of the outer frame is provided with a first mounting groove, a second mounting groove, and a clamping block, the clamping block being located between the first and second mounting grooves. The first glass unit includes a first glass sheet, a first damping adhesive layer, and a second glass sheet stacked sequentially. The end of the first glass unit is connected to the first mounting groove. The second glass sheet is located on a side relatively close to the second glass unit, and its thickness is less than that of the first glass sheet. The second glass unit includes a third glass sheet, the thickness of which is greater than that of the second glass sheet. The end of the second glass unit is connected to the second mounting groove. A hollow inner cavity is formed between the first and second glass units.

[0007] The first glass unit of this invention is provided with a first damping adhesive layer, and a hollow cavity is provided between the first glass unit and the second glass unit. The first damping adhesive layer and the hollow cavity weaken noise of different frequencies. Furthermore, the thickness of the second glass sheet located in the middle is less than the thickness of the first and third glass sheets located on both sides. On the one hand, this reduces the weight of this invention, making it more portable. On the other hand, it causes a change in the vibration frequency among the three glass sheets, preventing noise from being transmitted through resonance, and further improving the noise reduction effect.

[0008] Furthermore, the area of ​​the first glass slide is larger than that of the second glass slide, and the second glass slide is superimposed on the middle of the first glass slide, such that the edge of the first glass slide extends outward relative to the second glass slide to form a mating end, and the mating end is mated and connected with the first mounting groove.

[0009] Furthermore, the clamping block has an inner end face facing the hollow cavity, and the end of the second glass slide abuts against the inner end face.

[0010] Furthermore, a first buffer adhesive layer is provided between the inner sidewall of the mating end and the groove wall of the first mounting groove.

[0011] Furthermore, a second buffer adhesive layer is provided between the end of the second glass slide and the inner end face.

[0012] Furthermore, the second glass unit also includes a second damping adhesive layer, which is attached to the inner surface of the third glass sheet.

[0013] Furthermore, the inner surface of the third glass slide abuts against the inner wall of the second mounting groove through the second damping adhesive layer.

[0014] Furthermore, the outer frame also includes at least a filling cavity formed inside the clamping block, the filling cavity being provided with sound-absorbing cotton, and the clamping block being provided with a sound-absorbing hole that penetrates the inner end face and communicates with the filling cavity.

[0015] Furthermore, the filling cavity is also formed at the outer ends of the first glass slide and the second glass slide.

[0016] The filling cavity and sound-absorbing cotton can absorb sound waves entering the hollow cavity on the one hand, and reduce the propagation of sound waves through the outer frame on the other hand, thus further reducing noise.

[0017] The following beneficial effects can be achieved by applying this utility model:

[0018] 1. The first glass unit of this utility model is provided with a first damping adhesive layer, and a hollow cavity is provided between the first glass unit and the second glass unit. The first damping adhesive layer and the hollow cavity weaken noise of different frequencies. Furthermore, the thickness of the second glass sheet located in the middle is less than the thickness of the first and third glass sheets located on both sides. On the one hand, this reduces the weight of this utility model, making it more portable. On the other hand, it causes a change in the vibration frequency between the three glass sheets, preventing noise from being transmitted through resonance, and further improving the noise reduction effect.

[0019] 2. In some embodiments of this utility model, the edge of the first glass unit forms a mating end, which is connected to the first mounting groove. The end of the second glass unit abuts against the inner end face of the clamping block. Through this mounting structure, the overall thickness is reduced while ensuring the noise reduction performance of this utility model, thus improving ease of use.

[0020] 3. In some embodiments of this utility model, the outer frame also includes a filling cavity and sound-absorbing cotton. The sound waves in the hollow inner cavity can enter the filling cavity through the sound-absorbing holes that penetrate the inner end face and be consumed by the sound-absorbing cotton, thereby improving the noise reduction effect. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the sound-insulating and noise-reducing composite glass in the embodiment;

[0022] Figure 2 for Figure 1 A partial structural diagram;

[0023] In the figure, 1-first glass unit, 11-first glass slide, 111-mating end, 12-second glass slide, 13-first damping adhesive layer, 2-second glass unit, 21-third glass slide, 22-second damping adhesive layer, 3-outer frame, 31-first mounting groove, 32-second mounting groove, 33-clamping block, 331-sound absorbing hole, 34-filling cavity, 35-sound absorbing cotton, 4-hollow inner cavity. Detailed Implementation

[0024] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model. Example

[0025] Reference Figure 1 and Figure 2This embodiment provides a sound-insulating and noise-reducing composite glass, which includes a first glass unit 1, a second glass unit 2 and an outer frame 3. The inner side of the outer frame is provided with a first mounting groove 31, a second mounting groove 32 and a clamping block 33 located between the first mounting groove 31 and the second mounting groove 32. The end of the first glass unit 1 is connected to the first mounting groove 31, and the end of the second glass unit 2 is connected to the second mounting groove 32. The clamping block 33 makes a hollow inner cavity 4 formed between the first glass unit 1 and the second glass unit 2.

[0026] The first glass unit 1 includes a first glass sheet 11, a first damping adhesive layer 13, and a second damping adhesive layer 12 stacked sequentially. The second glass sheet 12 is located on the side near the hollow inner cavity 3. The second glass sheet 12 is stacked in the middle of the first glass sheet 11, and the area of ​​the second glass sheet is smaller than that of the first glass sheet, such that the edge of the first glass sheet extends outward relative to the second glass sheet to form a mating end 111. The mating end 111 can mate with the inner wall of the first mounting groove 31. In specific installation, the side wall of the mating end 111 near the hollow inner cavity 3 is bonded to the inner wall of the first mounting groove through the first buffer adhesive layer. Specifically, in the first embodiment... In the formula, the size of the first damping adhesive layer is exactly equal to that of the second glass slide. At this time, the first buffer adhesive layer is formed by an additional adhesive layer material. In another embodiment, the size of the second damping adhesive layer is equal to that of the first glass slide and completely covers the inner surface of the first glass slide. At this time, the part of the second damping adhesive layer that extends out of the second glass slide can be used as the first buffer layer. The clamping block 33 has an inner end face facing the hollow inner cavity 4. When the first glass slide is engaged with the first mounting groove, the size of the second glass slide is designed to be engaged with the inner end face of the clamping block. In specific installation, a second buffer adhesive layer can be provided between the end of the second glass slide and the inner end face of the clamping block.

[0027] The second glass unit 2 includes a third glass sheet 21 and a second damping adhesive layer 22 attached to the inner side of the third glass sheet. The inner side of the third glass sheet abuts against the side wall of the second mounting groove 32 through the second damping adhesive layer 22, so that the edge of the second damping adhesive layer is pressed and fixed, and the second damping adhesive layer is prevented from delaminating due to the lack of double-layer glass sheet coverage.

[0028] The thickness of the second glass slide 12 is less than that of the first glass slide 11, and the thickness of the third glass slide 21 is greater than that of the second glass slide 12, so that noise will not resonate between different glass slides.

[0029] In another embodiment, the outer frame 3 also includes a filling cavity 34 and sound-absorbing cotton 35 placed in the filling cavity 34. The filling cavity has a T-shaped structure, with its lateral portion extending to the outer end direction of the first glass slide 11 and the third glass slide 21, and its longitudinal portion extending to the interior of the clamping block 33. The clamping block 33 is provided with a sound-absorbing hole 331 that penetrates the inner end face. The filling cavity and the sound-absorbing cotton can absorb the sound waves entering the hollow inner cavity on the one hand, and reduce the propagation of sound waves through the outer frame on the other hand, thereby further achieving a noise reduction effect.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A sound-insulating and noise-reducing composite glass, characterized in that: The system includes a first glass unit (1), a second glass unit (2), and an outer frame (3); the inner side of the outer frame is provided with a first mounting groove (31), a second mounting groove (32), and a clamping block (33), the clamping block being located between the first mounting groove and the second mounting groove; the first glass unit includes a first glass sheet (11), a first damping adhesive layer (13), and a second glass sheet (12) stacked sequentially, the end of the first glass unit being connected to the first mounting groove, the second glass sheet being located on a side relatively close to the second glass unit, the thickness of the second glass sheet (12) being less than that of the first glass sheet (11); the second glass unit (2) includes a third glass sheet (21), the thickness of the third glass sheet (21) being greater than that of the second glass sheet (12), the end of the second glass unit being connected to the second mounting groove; a hollow inner cavity (4) is formed between the first glass unit and the second glass unit.

2. The sound-insulating and noise-reducing composite glass according to claim 1, characterized in that: The area of ​​the first glass slide (11) is larger than that of the second glass slide (12). The second glass slide is superimposed on the middle of the first glass slide, such that the edge of the first glass slide extends outward relative to the second glass slide to form a mating end (111), which is mated and connected to the first mounting groove.

3. The sound-insulating and noise-reducing composite glass according to claim 1, characterized in that: The clamp (33) has an inner end face facing the hollow cavity, and the end of the second glass slide (12) abuts against the inner end face.

4. The sound-insulating and noise-reducing composite glass according to claim 2, characterized in that: A first buffer adhesive layer is provided between the inner wall of the mating end (111) and the groove wall of the first mounting groove.

5. The sound-insulating and noise-reducing composite glass according to claim 3, characterized in that: A second buffer adhesive layer is provided between the end of the second glass slide (12) and the inner end face.

6. The sound-insulating and noise-reducing composite glass according to claim 1, characterized in that: The second glass unit (2) further includes a second damping adhesive layer (22), which is attached to the inner side of the third glass sheet (21).

7. The sound-insulating and noise-reducing composite glass according to claim 6, characterized in that: The inner side of the third glass slide (21) abuts against the inner wall of the second mounting groove through the second damping adhesive layer (22).

8. The sound-insulating and noise-reducing composite glass according to claim 3, characterized in that: The outer frame also includes at least a filling cavity (34) formed inside the clamping block, the filling cavity being provided with sound-absorbing cotton (35), and the clamping block being provided with a sound-absorbing hole (331) that penetrates the inner end face and communicates with the filling cavity.

9. The sound-insulating and noise-reducing composite glass according to claim 8, characterized in that: The filling cavity is also formed at the outer ends of the first and second glass slides.

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