Automobile sponge rubber strip with sound insulation effect

Abstract

The utility model relates to an automobile sponge rubber strip with a sound insulation effect in the field of automobile sponge rubber strips. The first buffer bag is arranged on one side of the mounting block; the cavity is formed in the first buffer bag; the second buffer bag is fixedly arranged in the cavity of the first buffer bag; the reset piece is fixedly arranged between the inner wall of the first buffering bag and the outer wall of the second buffering bag, the reset piece is arranged in an arc shape, and the first buffering bag, the second buffering bag and the arc-shaped reset piece structure are adopted, so that multiple buffering is achieved, the sound insulation effect is improved, external noise transmitted into a vehicle is effectively reduced, and a quiet and comfortable environment is created for the interior of the vehicle; and the reset piece can prevent the first buffer bag and the second buffer bag from being adhered due to long-time contact to influence the buffer effect.

Description

Technical Field

[0001] This utility model relates to a sound-insulating automotive foam strip, and more particularly to a sound-insulating automotive foam strip applied in the field of automotive foam strips. Background Technology

[0002] With the continuous advancement of the automotive industry, consumers are paying more and more attention to the quality and driving experience of cars. In-vehicle noise control has become an important indicator for measuring the comfort of a car. As the speed of cars increases and the road environment becomes more complex, the interference from various noise sources such as engine, road friction, and wind noise is becoming more and more significant, posing a severe challenge to the sound insulation performance of cars.

[0003] To address the issues of excessive noise during driving and loud door closing sounds, installing foam strips on car doors and windows provides some sound insulation and cushioning.

[0004] Chinese Utility Model Patent Application No. CN201920278047.2 discloses an automotive sealing strip, which mainly includes a sealing strip body and a dense adhesive decorative layer. The sealing strip body has at least an mounting portion for installation on a vehicle, and a sponge adhesive body exposed due to its installation on the vehicle. The dense adhesive decorative layer specifically covers the exposed surface of the sponge adhesive body. The automotive sealing strip of this utility model, by covering the exposed surface of the sponge adhesive body with a sealing adhesive decorative layer, achieves a better appearance due to the good surface smoothness and fine texture of the sealing adhesive decorative layer. Simultaneously, the sealing adhesive decorative layer also has good wear resistance, thereby improving the wear resistance of the automotive sealing strip and effectively preventing surface wear, flaking, and sheet metal contamination, resulting in a better performance of the automotive sealing strip.

[0005] The aforementioned patent uses sponge colloid for cushioning. Generally, the surface of sponge colloid is a rubber layer. When the vehicle door is closed for a long time, the sponge colloid may stick together, which may prevent it from fully returning to its original position when closing the door. This may result in greater noise. Furthermore, the cushioning effect of a single layer of sponge colloid is limited. Summary of the Invention

[0006] The technical problem that this utility model aims to solve in view of the above-mentioned prior art is that the surface of the sponge is a rubber layer. When the vehicle door is closed for a long time, the sponge may stick together, which may prevent it from fully returning to its original position when the door is closed. This may result in a lot of noise. In addition, the single-layer sponge has a limited cushioning effect.

[0007] To solve the above problems, this utility model provides a car foam strip with sound insulation effect, comprising: an installation block; a first buffer bladder disposed on one side of the installation block; a cavity disposed within the first buffer bladder; a second buffer bladder fixedly disposed within the cavity of the first buffer bladder; and a reset piece fixedly disposed between the inner wall of the first buffer bladder and the outer wall of the second buffer bladder, wherein the reset piece is arc-shaped.

[0008] In the aforementioned automotive foam strip with sound insulation effect, the multi-buffered structure achieved by the first buffer bladder, the second buffer bladder, and the arc-shaped reset piece greatly improves the sound insulation effect, effectively reduces the transmission of external noise into the vehicle, and creates a quiet and comfortable environment inside the vehicle. Furthermore, the reset piece can prevent the first and second buffer bladders from sticking together for a long time, thus affecting their buffering effect.

[0009] As a further improvement of this application, an exhaust port is provided on the upper side of the first buffer bladder, and through holes are provided on both the reset plate and the second buffer bladder, with the exhaust port and through holes being staggered.

[0010] As a further improvement of this application, a mounting groove is provided on one side of the mounting block, and a C-shaped elastic skeleton corresponding to the mounting groove is provided inside the mounting block. Multiple inclined teeth are fixedly connected inside the mounting groove, and a fitting block is fixedly connected to the end of the inclined teeth.

[0011] As a further improvement of this application, sealing bladders are provided on both sides of the mounting block near the opening end of the mounting groove.

[0012] As another improvement of this application, a sound-insulating sponge is fixedly connected between the bottom of the second buffer bladder and the first buffer bladder.

[0013] As a further improvement to this application, the outer surface of the second buffer bladder and the lower surface of the reset plate are both provided with a frosted surface, and anti-sticking powder is provided on the frosted surface.

[0014] As a further improvement to this application, a buffer block is fixedly connected inside the mounting slot, and a slot is provided on the buffer block.

[0015] As a further improvement to this application, friction rods are symmetrically arranged at the open end of the card slot.

[0016] As another improvement of this application, a decorative strip is fixedly connected to the side of the mounting block away from the first buffer bladder.

[0017] In summary, the multi-buffered structure achieved through the first buffer bag, the second buffer bag, and the arc-shaped reset plate greatly improves the sound insulation effect, effectively reduces the external noise entering the vehicle, and creates a quiet and comfortable environment inside the vehicle. Furthermore, the reset plate can prevent the first and second buffer bags from sticking together for a long time, thus affecting their buffering effect. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the first embodiment of this application;

[0019] Figure 2 This is a schematic diagram illustrating the structure of the first embodiment of this application;

[0020] Figure 3 For this application Figure 2 Enlarged diagram of point A in the middle.

[0021] Explanation of the labels in the diagram:

[0022] 1. Mounting block; 101. Mounting groove; 102. Inclined teeth; 103. Fitting block; 104. Sealing bladder; 105. Buffer block; 106. Slot; 107. Friction rod; 2. First buffer bladder; 201. Cavity; 202. Exhaust port; 203. Sound insulation foam; 204. Second buffer bladder; 205. Reset piece; 206. Through hole; 207. Frosted surface; 3. Decorative strip. Detailed Implementation

[0023] The following describes one embodiment of this application in detail with reference to the accompanying drawings.

[0024] First implementation method:

[0025] Figures 1-3 The image shows a car foam strip with sound insulation effect, comprising: a mounting block 1; a first buffer bladder 2 disposed on one side of the mounting block 1; a cavity 201 disposed within the first buffer bladder 2; a second buffer bladder 204 fixedly disposed within the cavity 201 of the first buffer bladder 2; and a reset piece 205 fixedly disposed between the inner wall of the first buffer bladder 2 and the outer wall of the second buffer bladder 204, wherein the reset piece 205 is arc-shaped.

[0026] Mounting block 1, as a basic component, is typically made of rubber with a certain degree of toughness and strength to facilitate installation in areas such as car doors and windows. The first buffer bladder 2 is tightly positioned on one side of mounting block 1, forming a cavity 201 inside. To further enhance buffering and sound insulation performance, a second buffer bladder 204 is fixedly installed inside the cavity 201. The reset piece 205 is arc-shaped and firmly fixed between the inner wall of the first buffer bladder 2 and the outer wall of the second buffer bladder 204. When the car door is closed or external vibrations are transmitted, the first buffer bladder 2 is first compressed, providing initial buffering. The second buffer bladder 204, inside the first buffer bladder 2, further absorbs vibration energy. This multi-buffered structure greatly enhances the sound insulation effect, effectively reducing external noise entering the car and creating a quiet and comfortable environment inside the vehicle.

[0027] Furthermore, in actual use, the arc-shaped reset piece 205 facilitates the reset of the first buffer bladder 2. Since the surface of the arc-shaped reset piece 205 is set as a physical anti-stick layer, the first buffer bladder 2 and the second buffer bladder 204 can be prevented from sticking together for a long time, thus avoiding affecting their buffering effect.

[0028] In a specific implementation, for some electric vehicle doors, multiple memory steel sheets can be equidistantly arranged inside the arc-shaped reset piece 205 to enable it to reset quickly.

[0029] When its reset effect is poor, it may not be able to achieve the buffering effect when closing the door, which will produce a certain amount of impact noise.

[0030] The first buffer bladder 2 has an exhaust port 202 on its upper side, and the reset plate 205 and the second buffer bladder 204 are both provided with through holes 206, and the exhaust port 202 and the through hole 206 are arranged alternately.

[0031] The exhaust port 202 and the through hole 206 are designed to facilitate exhaust.

[0032] A mounting groove 101 is provided on one side of the mounting block 1. A C-shaped elastic skeleton corresponding to the mounting groove 101 is provided inside the mounting block 1. Multiple inclined teeth 102 are fixedly connected inside the mounting groove 101. An adhesive block 103 is fixedly connected to the end of the inclined teeth 102.

[0033] A mounting groove 101 is provided on one side of the mounting block 1. The shape and size of the mounting groove 101 are precisely designed according to the structure of the mounting part on the car to ensure a tight fit. A C-shaped elastic skeleton corresponding to the mounting groove 101 is set in the mounting block 1 to provide overall support and clamping effect for the rubber strip and enhance its structural stability. Multiple inclined teeth 102 are fixedly connected in the mounting groove 101. The ends of the inclined teeth 102 are fixedly connected to the bonding block 103. The bonding block 103 is made of soft rubber material. When the rubber strip is installed on the corresponding part of the car, the inclined teeth 102 can contact the mounting part, increase the friction, prevent the rubber strip from loosening, and effectively avoid the rubber strip displacement from affecting its sound insulation and sealing effect.

[0034] Sealing bladders 104 are provided on both sides of the mounting block 1 near the opening end of the mounting groove 101.

[0035] After installation, the sealing bladder 104 will be compressed and deformed, fitting tightly to the surface of the car mounting part to form a good sealing effect. This effectively prevents dust, rainwater and other impurities from entering the mounting groove 101, while reducing the possibility of external noise entering the car through the installation gap.

[0036] A sound-insulating sponge 203 is fixedly connected between the bottom of the second buffer bladder 204 and the first buffer bladder 2.

[0037] Sound insulation foam 203 has a certain sound insulation effect and can further reduce the noise generated when closing the door.

[0038] The outer surface of the second buffer bladder 204 and the lower surface of the reset piece 205 are both provided with a frosted surface 207, and anti-sticking powder is provided on the frosted surface 207.

[0039] Both the outer surface of the second buffer bladder 204 and the lower surface of the reset plate 205 are provided with a frosted surface 207. The frosted surface 207 is made by a special processing technology, which increases the surface roughness. Anti-sticking powder is applied to the frosted surface 207. Generally, talcum powder or other powders that do not easily generate static electricity and have good lubricity are used. When the first buffer bladder 2 is squeezed and deformed, the second buffer bladder 204 and the reset plate 205 move relative to each other. The frosted surface 207 can increase the friction, making the movement between the two more stable and avoiding the situation of poor sliding. The anti-sticking powder prevents the second buffer bladder 204 and the reset plate 205 from sticking together due to friction during relative movement, ensuring that the buffer structure can work normally and continuously exert good buffering and sound insulation effects.

[0040] A buffer block 105 is fixedly connected inside the mounting slot 101, and a slot 106 is provided on the buffer block 105.

[0041] Friction rods 107 are symmetrically arranged at the open end of the slot 106.

[0042] The stability of installation can be improved by setting up buffer block 105 and card slot 106.

[0043] A decorative strip 3 is fixedly connected to the side of the mounting block 1 away from the first buffer bladder 2.

[0044] Decorative strip 3 can enhance its aesthetics.

[0045] In light of current practical needs, the above-described embodiments adopted in this application are not limited to these. Any changes made within the scope of knowledge possessed by those skilled in the art without departing from the concept of this application still fall within the protection scope of this utility model.

Claims

1. A type of automotive foam strip with sound insulation effect, characterized in that, include: Install block (1); The first buffer bladder (2) is disposed on one side of the mounting block (1); A cavity (201) is disposed within the first buffer bladder (2); The second buffer bladder (204) is fixedly disposed inside the cavity (201) of the first buffer bladder (2); A reset piece (205) is fixedly disposed between the inner wall of the first buffer bladder (2) and the outer wall of the second buffer bladder (204), wherein the reset piece (205) is arranged in an arc shape.

2. The automotive foam strip with sound insulation effect according to claim 1, characterized in that: The first buffer bladder (2) has an exhaust port (202) on its upper side. The reset piece (205) and the second buffer bladder (204) are both provided with through holes (206), and the exhaust port (202) and the through holes (206) are arranged alternately.

3. The automotive foam strip with sound insulation effect according to claim 1, characterized in that: The mounting block (1) has a mounting groove (101) on one side, and a C-shaped elastic skeleton corresponding to the mounting groove (101) is provided inside the mounting block (1). Multiple inclined teeth (102) are fixedly connected inside the mounting groove (101), and a fitting block (103) is fixedly connected to the end of the inclined teeth (102).

4. The automotive foam strip with sound insulation effect according to claim 3, characterized in that: The mounting block (1) is provided with sealing bladders (104) on both sides near the opening end of the mounting groove (101).

5. The automotive foam strip with sound insulation effect according to claim 1, characterized in that: The bottom of the second buffer bladder (204) is fixedly connected to the first buffer bladder (2) with a sound-insulating sponge (203).

6. The automotive foam strip with sound insulation effect according to claim 1, characterized in that: The outer surface of the second buffer bladder (204) and the lower surface of the reset piece (205) are both provided with a frosted surface (207), and the frosted surface (207) is provided with anti-stick powder.

7. The automotive foam strip with sound insulation effect according to claim 3, characterized in that: A buffer block (105) is fixedly connected inside the mounting slot (101), and a slot (106) is provided on the buffer block (105).

8. The automotive foam strip with sound insulation effect according to claim 7, characterized in that: Friction rods (107) are symmetrically arranged at the open end of the slot (106).

9. The automotive foam strip with sound insulation effect according to claim 1, characterized in that: A decorative strip (3) is fixedly connected to the side of the mounting block (1) away from the first buffer bladder (2).

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