Automobile interior sound insulation board

Abstract

The utility model relates to the technical field of automobile interior sound insulation boards, and discloses an automobile interior sound insulation board which comprises two protection layers, two sound absorption layers are arranged between the two protection layers, two reinforcing material layers are arranged between the two sound absorption layers, and the protection layers, the sound absorption layers and the reinforcing material layers are each provided with a plurality of mounting holes. Threaded layers are arranged on the inner sides of the multiple mounting holes correspondingly, and connecting mechanisms are arranged on the inner sides of the multiple mounting holes correspondingly. By adopting the sound absorption material and the high polymer material, the sound insulation board can effectively absorb and disperse noise and provide better driving comfort, and by arranging the reinforcing material layer outside the sound absorption material layer on the sound insulation board, the strength and the stability of the sound insulation board can be improved, the sound insulation board is more durable, and the probability that the sound insulation board is damaged due to the fact that the materials are prone to being wetted is reduced. And the use of the sound insulation board is influenced by deformation.

Description

Technical Field

[0001] The present application relates to the technical field of automobile interior sound insulation panels, and in particular to an automobile interior sound insulation panel. Background Art

[0002] At present, car noise is one of the important factors affecting driving comfort. In order to solve this problem, many car manufacturers and scientific research institutions are studying how to effectively reduce the noise inside the car. Most of the existing car interior sound insulation panels are made of sound-absorbing materials, such as glass fiber, sponge, etc. However, the sound insulation effect of these materials is not ideal, and they are easy to absorb moisture and deform. After long-term use, the sound insulation effect will be significantly reduced; therefore, we propose a car interior sound insulation panel to solve this problem.

[0003] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0004] In order to solve the problem that most of the existing automobile interior sound insulation panels are made of sound-absorbing materials, which are easy to absorb moisture and deform, and the sound insulation effect will be significantly reduced after long-term use, the present application provides an automobile interior sound insulation panel.

[0005] The present application provides an automobile interior sound insulation board adopting the following technical solution:

[0006] A car interior sound insulation board comprises two protective layers, two sound absorbing layers are arranged between the two protective layers, two reinforcing material layers are arranged between the two sound absorbing layers, a plurality of mounting holes are opened on the protective layers, the sound absorbing layers and the reinforcing material layers, a threaded layer is arranged on the inner side of the plurality of mounting holes, and a connecting mechanism is arranged on the inner side of the plurality of mounting holes.

[0007] Preferably, the connecting mechanism comprises a protective cover, and one side of the protective cover is fixedly connected with a bolt.

[0008] Preferably, a plurality of limit blocks are hinged on the outer side of the bolt, and the plurality of limit blocks are connected to the bolt via springs.

[0009] Preferably, the protective layer is made of a polymer material with high toughness and durability, such as polycarbonate or polypropylene.

[0010] Preferably, the sound absorbing layer is composed of a material with excellent sound absorbing properties such as polyester fiber.

[0011] Preferably, the reinforcement material layer is composed of carbon fiber, glass fiber or other high-strength materials.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] 1. By adopting sound-absorbing materials and polymer materials, the utility model can effectively absorb and disperse noise, provide better driving comfort, and by arranging a reinforcing material layer outside the sound-absorbing material layer on the sound insulation board, the utility model can improve the strength and stability of the sound insulation board, making it more durable, and reduce the problem of affecting the use of the sound insulation board due to the easy moisture and changeability of the material.

[0014] 2. Each layer of material is connected through a connecting structure. As the staff screws the bolts into the inner side of the mounting hole, after the screwing work is completed, the limit block rotates back to form a limit with the inner side of the threaded layer. The barb design prevents the bolts from loosening, thereby increasing the sealing between the sound insulation panels to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the application;

[0016] Figure 2 is a schematic cross-sectional view of an embodiment of the application;

[0017] Figure 3 It is a schematic diagram of the connection mechanism structure of the embodiment of the application;

[0018] Figure 4 It is a schematic diagram of the enlarged structure of location A of the application embodiment.

[0019] Explanation of the accompanying drawings: 1. Protective layer; 2. Sound-absorbing layer; 3. Reinforcement material layer; 4. Mounting hole; 5. Protective cover; 6. Bolt; 7. Spring; 8. Limit block. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-4 This application is described in further detail.

[0021] The present application embodiment discloses a car interior sound insulation board. Figure 1-2 A car interior sound insulation board includes two protective layers 1, two sound absorbing layers 2 are arranged between the two protective layers 1, two reinforcing material layers 3 are arranged between the two sound absorbing layers 2, a plurality of mounting holes 4 are opened on the protective layer 1, the sound absorbing layer 2 and the reinforcing material layer 3, a threaded layer is arranged on the inner side of the plurality of mounting holes 4, and a connecting mechanism is arranged on the inner side of the plurality of mounting holes 4.

[0022] Reference Figure 3 The connecting mechanism includes a protective cover 5, one side of which is fixedly connected with a bolt 6; the protective cover 5 is made of silicone, which can increase the sealing between the material and reduce the entry of moisture into the inner side of each layer of the material.

[0023] Reference Figure 3-4A plurality of limit blocks 8 are hinged on the outer side of the bolt 6, and the plurality of limit blocks 8 are connected to the bolt 6 through springs 7; when screwed into each layer of material, the limit blocks 8 are squeezed and thus compress the springs 7, thereby entering the inner side of the mounting hole 4.

[0024] Reference Figure 1 The protective layer 1 is made of a polymer material with high toughness and durability, such as polycarbonate or polypropylene.

[0025] Reference Figure 1 The sound-absorbing layer 2 is composed of materials with excellent sound-absorbing properties such as polyester fibers; the sound-absorbing layer 2 can effectively absorb and disperse noise.

[0026] Reference Figure 1 The reinforcing material layer 3 is composed of carbon fiber, glass fiber or other high-strength materials; the reinforcing material layer 3 can increase the strength of the entire sound insulation board and improve the quality of the entire sound insulation board.

[0027] The implementation principle of an automobile interior sound insulation board in an embodiment of the present application is: when the sound insulation board needs to be installed, the various layers of materials are connected through a connecting structure. When the staff screws the bolt 6 into the inner side of the installation hole, after the screwing work is completed, the limit block 8 forms a limit effect with the inner side of the threaded layer when it rotates back. The barb-type design prevents the bolt 6 from loosening, thereby increasing the sealing between the sound insulation boards to a certain extent.

[0028] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0029] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0030] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0031] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A car interior sound insulation board, comprising two protective layers (1), characterized in that: Two sound absorbing layers (2) are arranged between the two protective layers (1), two reinforcing material layers (3) are arranged between the two sound absorbing layers (2), a plurality of mounting holes (4) are provided on the protective layers (1), the sound absorbing layers (2) and the reinforcing material layers (3), a threaded layer is provided on the inner sides of the plurality of mounting holes (4), and a connecting mechanism is provided on the inner sides of the plurality of mounting holes (4).

2. The automobile interior sound insulation board according to claim 1, characterized in that: The connection mechanism comprises a protective sleeve (5), and a bolt (6) is fixedly connected to one side of the protective sleeve (5).

3. The automobile interior sound insulation board according to claim 2, characterized in that: A plurality of limit blocks (8) are hingedly connected to the outer side of the bolt (6), and the plurality of limit blocks (8) are connected to the bolt (6) via springs (7).

4. The automobile interior sound insulation board according to claim 1, characterized in that: The reinforcement material layer (3) is composed of carbon fiber or glass fiber material.

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