Sound insulation type automobile door panel

Abstract

The utility model relates to the technical field of automobile door panel sound insulation, and discloses a sound insulation type automobile door panel which comprises an automobile door body, an inner supporting plate is fixedly connected to the inner wall of the automobile door body, a supporting rod is fixedly connected to the upper surface of the inner supporting plate, a sliding column is fixedly connected to the outer wall of the supporting rod, and a sliding ring is slidably connected to the outer wall of the sliding column. A first spring is fixedly connected to the outer wall of the sliding ring, a second connecting plate is rotatably connected to the outer wall of the second rotating shaft, an outer plate is fixedly connected to the upper surface of the second connecting plate, the outer wall of the outer plate is slidably connected to the inner wall of the vehicle door body, and a limiting assembly is arranged on the lower surface of the outer plate. According to the utility model, the cranked lever and the first rotating shaft drive the first connecting plate to drive the first spring, the first spring slides on the outer wall of the sliding column, the first spring is extruded towards the middle through the sliding rings on the two sides, and the effects of buffering and reducing impact are achieved in the using process.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile door panel sound insulation, in particular to a sound insulation type automobile door panel. Background Art

[0002] Car door panels are one of the important components of the car body. They are located on the side of the car body and are used to close the passenger compartment of the vehicle. At the same time, they provide protection, sound insulation and aesthetic functions. Car door panels are usually made of metal, plastic or their composite materials. Common metal materials include steel, aluminum alloy, etc., while plastic materials can be polymers or their composite materials. The choice of materials will be affected by factors such as vehicle model, cost, lightweight requirements and safety.

[0003] Soundproof car door panels are specially designed to reduce the noise inside the car. As people's demand for driving comfort continues to increase, car manufacturers are paying more and more attention to reducing the noise level inside the car and improving riding comfort. In general, soundproof car door panels are designed to improve riding comfort inside the car. By using sound-absorbing materials, optimizing sealing design, vibration control and other technical means, the noise level inside the car can be reduced to create a quieter and more comfortable driving environment for passengers.

[0004] However, most of the sound insulation type car door panels do not have the effect of secondary reinforcement of the car door during use. During use, the internal sound insulation material may be deformed due to impact, thereby affecting the comfort during driving. Utility Model Content

[0005] In order to remedy the above deficiencies, the utility model provides a sound-insulating automobile door panel, which aims to improve the problem that the internal sound-insulating material may be deformed due to impact during use, thereby affecting the comfort during driving.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A sound insulation type automobile door panel comprises a door body, the inner wall of the door body is fixedly connected to an inner support plate, the upper surface of the inner support plate is fixedly connected to a support rod, the outer wall of the support rod is fixedly connected to a sliding column, the outer wall of the sliding column is slidably connected to a sliding ring, the outer wall of the sliding ring is fixedly connected to a first spring, the outer wall of the sliding ring is fixedly connected to a first connecting plate, the inner wall of the first connecting plate is rotatably connected to a first rotating shaft, the inner wall of the first spring is slidably connected to the outer wall of the sliding column, the outer wall of the first rotating shaft is fixedly connected to a bent rod, the inner wall of the bent rod is rotatably connected to a second rotating shaft, the outer wall of the second rotating shaft is rotatably connected to a second connecting plate, the upper surface of the second connecting plate is fixedly connected to an outer panel, the outer wall of the outer panel is slidably connected to the inner wall of the door body, and a limiting component is provided on the lower surface of the outer panel.

[0008] Preferably, the limiting assembly includes a limiting column, the upper surface of the limiting column is fixedly connected to the lower surface of the outer plate, the lower surface of the outer plate is fixedly connected to a second spring, the inner wall of the second spring is slidably connected to the outer wall of the limiting column, and the bottom end of the limiting column is fixedly connected to the upper surface of the support rod.

[0009] Preferably, the outer wall of the inner support plate is slidably connected with sound insulation cotton, the outer wall of the sound insulation cotton is slidably connected to the inner wall of the door body, and the inner wall of the sound insulation cotton is provided with a sound absorbing groove.

[0010] Preferably, a gasket is slidably connected to the upper surface of the sound insulation cotton, a partition plate is fixedly connected to the upper surface of the gasket, and an outer wall of the partition plate is slidably connected to the inner wall of the vehicle door body.

[0011] Preferably, the upper surface of the door body is slidably connected to an inner plate, an inner wall of the inner plate is provided with a mounting groove, and a handle is slidably connected to the inner wall of the inner plate.

[0012] Preferably, a screw is fixedly connected to the bottom end of the handle, an insert shell is threadedly connected to the outer wall of the screw, and a tension spring is fixedly connected to the bottom end of the screw.

[0013] Preferably, the bottom end of the tension spring is fixedly connected with a push block, the outer wall of the push block is fixedly connected with a card bead, and the outer wall of the push block is slidably connected to the inner wall of the plug shell.

[0014] Preferably, the outer wall of the card bead is slidably connected to the inner wall of the plug shell, the inner wall of the plug shell is provided with a card slot, and the outer wall of the card bead is slidably connected to the inner wall of the card slot.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, when the outer plate is impacted, the second connecting plate drives the bent rod and the first rotating shaft under the limit of the second rotating shaft to drive the first connecting plate to drive the first spring to slide on the outer wall of the sliding column, and the first spring is squeezed toward the middle through the sliding rings on both sides, which plays a buffering effect to reduce the impact during use.

[0017] 2. In the utility model, through the sound-absorbing groove and the sound-proof cotton, when the sound waves encounter the medium with different density through the sound-absorbing groove during use, the phenomena of reflection, transmission and absorption will occur. Since the internal structure of the sound-absorbing groove is mostly a small gap sound-absorbing groove, this structure makes the sound waves produce multiple reflections and refractions when entering, and at the same time, part of the sound energy is converted into heat energy during friction and collision, thereby weakening the energy of the sound wave, realizing the absorption and isolation of the sound, and achieving the effect of sound insulation. Through the partition board and the gasket, the effect of multiple layers of sound-proof cotton can be installed according to the thickness of the door body and the need during use.

[0018] 3. In the utility model, the handle drives the screw to rotate on the inner wall of the plug shell. During use, the tension spring drives the push block to squeeze the card bead from the inner wall of the plug shell and insert it into the inner wall of the card slot and the inner wall of the door body, which plays an effect of quickly installing and disassembling the inner panel during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional diagram of a sound-insulating automobile door panel proposed by the utility model;

[0020] Figure 2 A schematic diagram of an outer panel of a sound insulation type automobile door panel proposed by the utility model;

[0021] Figure 3 A schematic diagram of an inner panel of a sound-insulating automobile door panel proposed by the utility model

[0022] Figure 4 The utility model is a schematic diagram of an insert shell of a sound insulation type automobile door panel.

[0023] Legend:

[0024] 1. Door body; 2. Inner support plate; 3. Support rod; 4. Sliding column; 5. Sliding ring; 6. First spring; 7. First connecting plate; 8. First rotating shaft; 9. Bending rod; 10. Second rotating shaft; 11. Second connecting plate; 12. Outer plate; 13. Limiting column; 14. Second spring; 15. Sound insulation cotton; 16. Sound-absorbing groove; 17. Partition plate; 18. Gasket; 19. Inner plate; 20. Installation groove; 21. Handle; 22. Screw; 23. Tension spring; 24. Push block; 25. Card bead; 26. Insert shell; 27. Card slot. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings of the specification of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figure 1-Figure 2 The utility model provides an embodiment: a sound insulation type automobile door panel, including a door body 1, an inner support plate 2 is fixedly connected to the inner wall of the door body 1, a support rod 3 is fixedly connected to the upper surface of the inner support plate 2, a sliding column 4 is fixedly connected to the outer wall of the support rod 3, a sliding ring 5 is slidably connected to the outer wall of the sliding column 4, a first spring 6 is fixedly connected to the outer wall of the sliding ring 5, a first connecting plate 7 is fixedly connected to the outer wall of the sliding ring 5, a first rotating shaft 8 is rotatably connected to the inner wall of the first connecting plate 7, the inner wall of the first spring 6 is slidably connected to the outer wall of the sliding column 4, a curved rod 9 is fixedly connected to the outer wall of the first rotating shaft 8, and a curved rod 9 is fixedly connected to the outer wall of the curved rod 4. The inner wall of the rod 9 is rotatably connected to the second rotating shaft 10, the outer wall of the second rotating shaft 10 is rotatably connected to the second connecting plate 11, the upper surface of the second connecting plate 11 is fixedly connected to the outer plate 12, the outer wall of the outer plate 12 is slidably connected to the inner wall of the door body 1, and the lower surface of the outer plate 12 is provided with a limiting assembly; the limiting assembly includes a limiting column 13, the upper surface of the limiting column 13 is fixedly connected to the lower surface of the outer plate 12, the lower surface of the outer plate 12 is fixedly connected to the second spring 14, the inner wall of the second spring 14 is slidably connected to the outer wall of the limiting column 13, and the bottom end of the limiting column 13 is fixedly connected to the upper surface of the support rod 3;

[0027] Specifically, the impact force is driven by the second connecting plate 11 to drive the bent rod 9 to move under the limit of the second rotating shaft 10, and the first connecting plate 7 is driven by the bent rod 9 under the limit of the first rotating shaft 8. The sliding ring 5 can be driven to move through the first connecting plate 7. The sliding ring 5 moves under the limit of the sliding column 4 and squeezes the first spring 6 toward the middle, which can reduce the impact force through the first spring 6, thereby improving the sturdiness and durability of the door body 1 during use.

[0028] Reference Figure 2-Figure 3 The outer wall of the inner support plate 2 is slidably connected with a sound insulation cotton 15, the outer wall of the sound insulation cotton 15 is slidably connected to the inner wall of the door body 1, and the inner wall of the sound insulation cotton 15 is provided with a sound absorbing groove 16; the upper surface of the sound insulation cotton 15 is slidably connected with a gasket 18, the upper surface of the gasket 18 is fixedly connected with a partition plate 17, the outer wall of the partition plate 17 is slidably connected to the inner wall of the door body 1; the upper surface of the door body 1 is slidably connected with an inner plate 19, the inner wall of the inner plate 19 is provided with a mounting groove 20, and the inner wall of the inner plate 19 is slidably connected with a handle 21;

[0029] Specifically, the sound is absorbed and blocked by the sound insulation cotton 15 and the sound absorbing groove 16 during use, thereby further increasing the sound insulation effect of the door panel. During use, the number of sound insulation cottons 15 required can be installed through the partition plate 17 and the gasket 18 according to the size of the different door bodies 1 to improve the sound insulation effect.

[0030] Reference Figure 4 The bottom end of the handle 21 is fixedly connected with a screw rod 22, the outer wall of the screw rod 22 is threadedly connected with an insert shell 26, and the bottom end of the screw rod 22 is fixedly connected with a tension spring 23; the bottom end of the tension spring 23 is fixedly connected with a push block 24, the outer wall of the push block 24 is fixedly connected with a card bead 25, and the outer wall of the push block 24 is slidably connected to the inner wall of the insert shell 26; the outer wall of the card bead 25 is slidably connected to the inner wall of the insert shell 26, and the inner wall of the insert shell 26 is provided with a card slot 27, and the outer wall of the card bead 25 is slidably connected to the inner wall of the card slot 27;

[0031] Specifically, the screw 22 drives the tension spring 23 and the push block 24 to push the card bead 25 to slide on the inner wall of the plug shell 26, so that the card bead 25 can be quickly inserted into the card slot 27 and the inner wall of the door body 1 to fix the inner panel 19, thereby achieving the effect of quickly installing and disassembling the inner panel 19.

[0032] Working principle: When the device is needed, the outer panel 12 is impacted. During use, the second connecting plate 11 drives the impact force to drive the bent rod 9 to move under the limit of the second rotating shaft 10. During use, the bent rod 9 drives the first connecting plate 7 under the limit of the first rotating shaft 8. During use, the sliding ring 5 can be driven to move through the first connecting plate 7. During use, the sliding ring 5 moves under the limit of the sliding column 4 to squeeze the first spring 6 toward the middle. During use, the first spring 6 can reduce the impact force. During use, the outer panel 12 and the door body 1 are further improved in firmness and stability. During use, the limiting column 13 and the second spring 14 play a further limiting effect. During use, the second spring 14 is prevented from being deformed during the pulling process due to the lack of the limiting column 13. During use, sound insulation cotton 15 is placed above the support rod 3. During use, the sound absorbing groove 16 is used. When sound waves encounter media with different densities, reflection, transmission and absorption will occur. Since the internal structure of the sound absorbing groove 16 is mostly small gap sound absorbing groove 1 6. This structure causes multiple reflections and refractions when sound waves enter, and converts part of the sound energy into heat energy during friction and collision, thereby reducing the energy of the sound waves, achieving the absorption and isolation of sound, and achieving the effect of sound insulation. During use, the partition plate 17 and the gasket 18 can be used to install multiple layers of sound insulation cotton 15 according to the thickness of the door body 1 and the need. During use, the handle 21 drives the screw 22 to rotate on the inner wall of the plug shell 26, and the screw 22 drives the tension spring 23 and the push block 24 to push the card bead 25 to slide on the inner wall of the plug shell 26. During use, The card bead 25 can be quickly inserted into the card slot 27 and the inner wall of the door body 1 to fix the inner plate 19, and the inner plate 19 can be quickly installed and disassembled during use. During use, the device not only achieves the effect of squeezing the first spring 6 toward the middle through the sliding rings 5 ​​on both sides, thereby playing a buffering and reducing impact during use, but also drives the push block 24 through the tension spring 23 to squeeze the card bead 25 from the inner wall of the plug shell 26 into the inner wall of the card slot 27 and the inner wall of the door body 1, thereby playing a role in quickly installing and disassembling the inner plate 19 during use.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sound-insulating automobile door panel, comprising a door body (1), characterized in that: The inner wall of the door body (1) is fixedly connected to an inner support plate (2), the upper surface of the inner support plate (2) is fixedly connected to a support rod (3), the outer wall of the support rod (3) is fixedly connected to a slide column (4), the outer wall of the slide column (4) is slidably connected to a slide ring (5), the outer wall of the slide ring (5) is fixedly connected to a first spring (6), the outer wall of the slide ring (5) is fixedly connected to a first connecting plate (7), the inner wall of the first connecting plate (7) is rotatably connected to a first rotating shaft (8), and the first The inner wall of the spring (6) is slidably connected to the outer wall of the sliding column (4); the outer wall of the first rotating shaft (8) is fixedly connected to a bent rod (9); the inner wall of the bent rod (9) is rotatably connected to a second rotating shaft (10); the outer wall of the second rotating shaft (10) is rotatably connected to a second connecting plate (11); the upper surface of the second connecting plate (11) is fixedly connected to an outer plate (12); the outer wall of the outer plate (12) is slidably connected to the inner wall of the vehicle door body (1); and a limiting component is provided on the lower surface of the outer plate (12).

2. A sound-insulating automobile door panel according to claim 1, characterized in that: The limiting assembly comprises a limiting column (13), the upper surface of the limiting column (13) is fixedly connected to the lower surface of the outer plate (12), the lower surface of the outer plate (12) is fixedly connected to a second spring (14), the inner wall of the second spring (14) is slidably connected to the outer wall of the limiting column (13), and the bottom end of the limiting column (13) is fixedly connected to the upper surface of the support rod (3).

3. A sound insulation automobile door panel according to claim 2, characterized in that: The outer wall of the inner support plate (2) is slidably connected to a sound insulation cotton (15), the outer wall of the sound insulation cotton (15) is slidably connected to the inner wall of the vehicle door body (1), and the inner wall of the sound insulation cotton (15) is provided with a sound absorbing groove (16).

4. The sound-insulating automobile door panel according to claim 3, characterized in that: The upper surface of the sound insulation cotton (15) is slidably connected to a gasket (18), the upper surface of the gasket (18) is fixedly connected to a partition plate (17), and the outer wall of the partition plate (17) is slidably connected to the inner wall of the vehicle door body (1).

5. The sound-insulating automobile door panel according to claim 4, characterized in that: The upper surface of the vehicle door body (1) is slidably connected to an inner plate (19), an inner wall of the inner plate (19) is provided with a mounting groove (20), and the inner wall of the inner plate (19) is slidably connected to a handle (21).

6. The sound-insulating automobile door panel according to claim 5, characterized in that: The bottom end of the handle (21) is fixedly connected to a screw rod (22), the outer wall of the screw rod (22) is threadedly connected to an insert shell (26), and the bottom end of the screw rod (22) is fixedly connected to a tension spring (23).

7. The sound-insulating automobile door panel according to claim 6, characterized in that: The bottom end of the tension spring (23) is fixedly connected to a push block (24), the outer wall of the push block (24) is fixedly connected to a clamping bead (25), and the outer wall of the push block (24) is slidably connected to the inner wall of the plug shell (26).

8. The sound-insulating automobile door panel according to claim 7, characterized in that: The outer wall of the card bead (25) is slidably connected to the inner wall of the plug shell (26), the inner wall of the plug shell (26) is provided with a card slot (27), and the outer wall of the card bead (25) is slidably connected to the inner wall of the card slot (27).

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