Automobile sound insulation pad convenient to disassemble and replace

Abstract

The utility model discloses an automobile sound insulation pad convenient to disassemble and replace, which comprises a rubber frame, sound insulation cotton is arranged in the rubber frame, an installation ring is installed in the sound insulation cotton, a disassembly and assembly structure penetrates through the interior of the installation ring, and the disassembly and assembly structure comprises a buckle, a clamping ring, a spring, a connecting block, a connecting groove, an installation screw rod and an installation nut. Flame-retardant structures are adhered to the two ends of the sound insulation cotton. According to the automobile sound insulation pad, the connecting blocks are integrally formed on one side of the rubber frame, the connecting grooves are formed in the other side of the rubber frame, the connecting blocks are inserted into the corresponding connecting grooves and fixed through the mounting screws and the mounting nuts, and then splicing of a plurality of automobile sound insulation pads can be achieved; the clamping buckle is elastic, the clamping block at the bottom end and the clamping groove in the clamping ring can be clamped to achieve fixing when the clamping buckle is pressed, the clamping buckle is supported by the spring, it is guaranteed that the clamping buckle cannot fall off from the clamping ring, and therefore the purpose that the automobile sound insulation pad can be conveniently disassembled and assembled is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile interior decoration parts, in particular to an automobile sound insulation pad which is easy to disassemble and replace. Background Art

[0002] Car sound insulation pads are a type of sound insulation material used to reduce noise inside a car. They are usually made of multiple layers of materials of different materials, including sound-absorbing cotton, foam, rubber, etc. These materials can effectively absorb and reduce noise inside the car and improve driving comfort. The main function of car sound insulation pads is to reduce the impact of various noise sources such as engine noise, exhaust noise, tire noise and wind noise on drivers and passengers. By installing car sound insulation pads, the quiet performance of the car can be significantly improved, making driving more comfortable and safer.

[0003] To this end, China's patent announcement number CN209794789U discloses a new type of automobile sound insulation pad, including a sound insulation body composed of a soft layer of the sound insulation pad and a hard layer of the sound insulation pad, the soft layer of the sound insulation pad and the hard layer of the sound insulation pad are respectively made of PET material, the gram weight of the soft layer of the sound insulation pad is 1200g / m2, and the gram weight of the hard layer of the sound insulation pad is 800g / m2; the purpose of the utility model is to provide a new type of automobile sound insulation pad with lightweight and good sound absorption and insulation effects; the soft layer and the hard layer of the sound insulation pad of the utility model are respectively made of PET materials with different densities, which can improve the parts assembly performance, sound absorption and insulation performance and have a lightweight effect.

[0004] Today's car sound insulation pads can basically meet people's needs, but there are still some problems. The specific problems are as follows:

[0005] 1. The problem that car sound insulation pads are difficult to disassemble and assemble conveniently. After long-term use, car sound insulation pads will gradually age and partially wear out, and the sound insulation pads need to be removed and replaced. At the same time, when inspecting and repairing the car, the car sound insulation pads also need to be removed and reinstalled after the inspection is completed.

[0006] 2. The problem of car sound insulation pads being difficult to resist wear. When the car is running, the various parts of the car will rub against each other. After a long period of friction, the sound insulation pads will be partially worn or completely damaged, thereby reducing the sound insulation effect of the car sound insulation pads and increasing maintenance costs. Utility Model Content

[0007] The purpose of the utility model is to provide a car sound insulation pad that is easy to disassemble and replace, so as to solve the defects of the existing car sound insulation pads that are difficult to disassemble and assemble conveniently and difficult to wear.

[0008] In order to solve the above technical problems, the present utility model provides the following technical solutions: a car sound insulation pad that is easy to disassemble and replace, comprising a rubber frame;

[0009] Sound insulation cotton is arranged inside the rubber frame, and a mounting ring is installed inside the sound insulation cotton;

[0010] The interior of the mounting ring passes through a disassembly structure, which includes a buckle, a clamping ring, a spring, a connecting block, a connecting groove, a mounting screw and a mounting nut. The buckle is installed inside the mounting ring, and a clamping ring is installed on the outside of the bottom end of the buckle.

[0011] A spring is installed inside the buckle, the connecting block is integrally formed on one side of the rubber frame, a mounting screw is passed through the inside of the connecting block, the outer side of the mounting screw is threadedly connected to a mounting nut, both ends of the sound insulation cotton are bonded with a flame retardant structure, and both ends of the flame retardant structure are bonded with a wear-resistant structure.

[0012] When in use, first place multiple car sound insulation pads side by side according to the area to be laid, insert the connecting block into the connecting groove, and fix it with mounting screws and mounting nuts. The clamping ring is preset at the position where it needs to be installed. Put the clip into the clamping ring and press it to fix the car sound insulation pad. When disassembly is required, press the clip and squeeze it towards the middle to remove it from the clamping ring. Unscrew the mounting screws and mounting nuts that fix each other to disassemble and replace a single car sound insulation pad.

[0013] Furthermore, both sides of the bottom end of the buckle are provided with clamping blocks, and the inner side of the clamping ring is provided with a clamping groove. The buckle and the clamping ring are clamped and connected, which is convenient for quick installation and disassembly.

[0014] Furthermore, the spring is elastic, and the buckle is elastically connected to the spring, which can support the buckle and ensure that the buckle will not fall out of the clamping ring.

[0015] Furthermore, the connection grooves are opened on one side of the rubber frame, and the connection grooves are arranged at equal intervals on one side of the rubber frame to connect multiple groups of sound insulation pads.

[0016] Furthermore, external threads are evenly provided on the outer side wall of the mounting screw, and internal threads that cooperate with the external threads are evenly provided on the inner side wall of the mounting nut. The mounting screw and the mounting nut are threadedly connected, which ensures a stable connection and is also convenient for disassembly and assembly.

[0017] Furthermore, the flame retardant structure includes a plastic flocking layer, an aluminum foil layer and a flame retardant cotton layer. The plastic flocking layer is bonded to the top of the sound insulation cotton, the aluminum foil layer is bonded to the bottom of the sound insulation cotton, and the bottom of the aluminum foil layer is bonded with a flame retardant cotton layer, which can maintain structural stability at high temperatures and effectively prevent the spread of flames.

[0018] Furthermore, the wear-resistant structure includes a polyester fiber layer, a pearl cotton layer, a butyl rubber layer and anti-slip grooves. The polyester fiber layer is bonded to the top of the plastic flocking layer, the top of the polyester fiber layer is bonded with a pearl cotton layer, the butyl rubber layer is bonded to the bottom of the flame-retardant cotton layer, and the bottom of the butyl rubber layer is provided with anti-slip grooves, which can extend the service life of the car sound insulation pad.

[0019] The utility model provides a car sound insulation pad that is easy to disassemble and replace. Its advantages are: the car sound insulation pad is installed with multiple sets of buckles and rings, which can be disassembled and assembled conveniently and quickly without the need for special tools. At the same time, the combination of connecting blocks and connecting grooves allows the car sound insulation pad to be replaced in layout to avoid waste of materials. The flame retardant structure can insulate and flame retard the interior of the car, thereby improving the comfort and safety of the user. The addition of a wear-resistant structure can extend the service life of the car sound insulation pad.

[0020] By integrally forming multiple connecting blocks on one side of the rubber frame and opening multiple connecting grooves on the other side, multiple car sound insulation pads can be spliced ​​by inserting the connecting blocks into the corresponding connecting grooves and fixing them with mounting screws and mounting nuts. During installation, the clamping ring is pre-installed in the car. The buckle is elastic and can be fixed by clamping the bottom block with the clamping groove in the clamping ring when pressed. The buckle is supported by a spring to ensure that the buckle will not fall out of the clamping ring, thereby achieving the purpose of convenient disassembly and assembly of the car sound insulation pad.

[0021] By setting a polyester fiber layer, an pearl cotton layer and a butyl rubber layer at both ends of the sound insulation cotton respectively, the polyester fiber layer has excellent sound absorption effect and excellent wear resistance. The pearl cotton layer has good impact resistance and shock resistance, as well as certain wear resistance. The butyl rubber layer can protect other internal materials. The combination of multiple materials can extend the service life of the car sound insulation pad. At the same time, the outside of the butyl rubber layer is also provided with anti-slip grooves, which can reduce the friction between the car sound insulation pad and other components, so as to achieve the purpose of wear resistance of the car sound insulation pad. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 This is a schematic diagram of a top-view cross-sectional structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the bottom-up structure of the present invention;

[0025] Figure 4 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0026] Figure 5This is a schematic diagram of a partial cross-sectional structure of the disassembly and assembly structure of the present invention.

[0027] Explanation of the reference numerals in the figure: 1. Rubber frame; 2. Sound insulation cotton; 3. Mounting ring; 4. Disassembly and assembly structure; 401. Buckle; 402. Clamping ring; 403. Spring; 404. Connecting block; 405. Connecting groove; 406. Mounting screw; 407. Mounting nut; 5. Flame retardant structure; 501. Plastic flocking layer; 502. Aluminum foil layer; 503. Flame retardant cotton layer; 6. Wear-resistant structure; 601. Polyester fiber layer; 602. Pearl cotton layer; 603. Butyl rubber layer; 604. Anti-slip pattern. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] See also Figure 1-Figure 5 The utility model provides an embodiment: a car sound insulation pad that is easy to disassemble and replace, including a rubber frame 1.

[0030] Sound insulation cotton 2 is arranged inside the rubber frame 1 , and a mounting ring 3 is installed inside the sound insulation cotton 2 .

[0031] The interior of the mounting ring 3 passes through the disassembly structure 4, which includes a buckle 401, a clamping ring 402, a spring 403, a connecting block 404, a connecting groove 405, a mounting screw 406 and a mounting nut 407. The buckle 401 is mounted inside the mounting ring 3, and a clamping ring 402 is mounted on the outside of the bottom end of the buckle 401. Blocks are provided on both sides of the bottom end of the buckle 401, and a clamping groove is provided on the inside of the clamping ring 402. The buckle 401 and the clamping ring 402 are engaged and connected. A spring 403 is installed inside the buckle 401. The spring 403 is elastic. The buckle 401 01 is elastically connected to the spring 403, the connecting block 404 is integrally formed on one side of the rubber frame 1, the connecting groove 405 is opened on one side of the rubber frame 1, and the connecting grooves 405 are arranged at equal intervals on one side of the rubber frame 1. The interior of the connecting block 404 is penetrated by a mounting screw 406, and the outer side of the mounting screw 406 is threadedly connected to the mounting nut 407. External threads are evenly provided on the outer side wall of the mounting screw 406, and internal threads that cooperate with the external threads are evenly provided on the inner side wall of the mounting nut 407. The mounting screw 406 and the mounting nut 407 are threadedly connected.

[0032] Refer to the attached Figure 1-5As shown, a plurality of connecting blocks 404 are integrally formed on one side of the rubber frame 1, and a plurality of connecting grooves 405 are opened on the other side. After the connecting blocks 404 are inserted into the corresponding connecting grooves 405 and fixed with the mounting screws 406 and the mounting nuts 407, the splicing of multiple car sound insulation pads can be achieved. During installation, the clamping ring 402 is pre-installed in the car. The buckle 401 is elastic and can be fixed by clamping the block at the bottom with the clamping groove in the clamping ring 402 when pressed. The spring 403 supports the buckle 401 to ensure that the buckle 401 will not fall out of the clamping ring 402. When the car sound insulation pad needs to be replaced, it is only necessary to press the buckle 401 inward, compress the spring 403 and pull it outward to take it out. While disassembly and assembly are simple, a single sound insulation pad can also be partially replaced to avoid waste of materials.

[0033] Both ends of the sound insulation cotton 2 are bonded with a flame retardant structure 5, which includes a plastic flocking layer 501, an aluminum foil layer 502 and a flame retardant cotton layer 503. The plastic flocking layer 501 is bonded to the top of the sound insulation cotton 2, the aluminum foil layer 502 is bonded to the bottom of the sound insulation cotton 2, and the bottom of the aluminum foil layer 502 is bonded with a flame retardant cotton layer 503.

[0034] Refer to the attached Figure 4 As shown, a plastic flocking layer 501, an aluminum foil layer 502 and a flame retardant cotton layer 503 are arranged on both sides of the sound insulation cotton 2. The plastic flocking layer 501 is made of a plastic material with flame retardant properties. This material can maintain structural stability at high temperatures and is not easy to burn, thereby effectively preventing the spread of fire. The aluminum foil layer 502 has excellent thermal insulation performance, which can effectively block the transfer of heat, reduce the internal temperature of the car, and improve driving comfort. The flame retardant cotton layer 503 has excellent sound insulation and sound absorption effects while maintaining structural stability at high temperatures and effectively preventing the spread of flames. The combination of multiple layers of materials can insulate and flame retard the interior of the car, thereby improving the comfort and safety of users.

[0035] Both ends of the flame retardant structure 5 are bonded with a wear-resistant structure 6, which includes a polyester fiber layer 601, a pearl cotton layer 602, a butyl rubber layer 603 and anti-slip grooves 604. The polyester fiber layer 601 is bonded to the top of the plastic flocking layer 501, the top of the polyester fiber layer 601 is bonded with the pearl cotton layer 602, the butyl rubber layer 603 is bonded to the bottom end of the flame retardant cotton layer 503, and the bottom end of the butyl rubber layer 603 is provided with anti-slip grooves 604.

[0036] Refer to the attached Figure 1-4As shown, a polyester fiber layer 601, an pearl cotton layer 602 and a butyl rubber layer 603 are respectively provided at both ends of the sound insulation cotton 2. The polyester fiber layer 601 has excellent sound absorption effect and excellent wear resistance, and is not easy to age or deform. The pearl cotton layer 602 has good impact resistance and shock resistance, and also has certain wear resistance, which is suitable for parts of the car sound insulation pad that need to withstand certain impact and wear. The butyl rubber layer 603 has excellent characteristics of receiving vibration and impact energy, and has small rebound characteristics, which can protect other internal materials. The combination of multiple materials can extend the service life of the car sound insulation pad. At the same time, anti-slip grooves 604 are also provided on the outside of the butyl rubber layer 603, which can reduce the friction between the car sound insulation pad and other components, and further reduce the loss caused by friction.

[0037] 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 scope of protection of the present invention.

Claims

1. A car sound insulation pad that is easy to disassemble and replace, comprising a rubber frame (1); Its characteristics are: Sound insulation cotton (2) is arranged inside the rubber frame (1), and a mounting ring (3) is installed inside the sound insulation cotton (2); The interior of the mounting ring (3) passes through the disassembly structure (4), and the disassembly structure (4) includes a buckle (401), a clamping ring (402), a spring (403), a connecting block (404), a connecting groove (405), a mounting screw (406) and a mounting nut (407). The buckle (401) is mounted inside the mounting ring (3), and the outer side of the bottom end of the buckle (401) is mounted with a clamping ring (402); A spring (403) is installed inside the buckle (401), the connecting block (404) is integrally formed on one side of the rubber frame (1), a mounting screw (406) is passed through the interior of the connecting block (404), and a mounting nut (407) is threadedly connected to the outer side of the mounting screw (406), and both ends of the sound insulation cotton (2) are bonded with a flame retardant structure (5), and both ends of the flame retardant structure (5) are bonded with a wear-resistant structure (6).

2. The car sound insulation pad that is easy to disassemble and replace according to claim 1 is characterized in that: Both sides of the bottom end of the buckle (401) are provided with clamping blocks, and the inner side of the clamping ring (402) is provided with a clamping groove, and the buckle (401) and the clamping ring (402) are connected in a clamping manner.

3. The car sound insulation pad that is easy to disassemble and replace according to claim 1 is characterized in that: The spring (403) is elastic, and the buckle (401) is elastically connected to the spring (403).

4. The car sound insulation pad that is easy to disassemble and replace according to claim 1 is characterized in that: The connection grooves (405) are provided on one side of the rubber frame (1), and the connection grooves (405) are arranged at equal intervals on one side of the rubber frame (1).

5. The car sound insulation pad that is easy to disassemble and replace according to claim 1 is characterized in that: External threads are evenly arranged on the outer wall of the mounting screw (406), and internal threads that cooperate with the external threads are evenly arranged on the inner wall of the mounting nut (407). The mounting screw (406) and the mounting nut (407) are threadedly connected.

6. The car sound insulation pad that is easy to disassemble and replace according to claim 1 is characterized in that: The flame retardant structure (5) comprises a plastic flocking layer (501), an aluminum foil layer (502) and a flame retardant cotton layer (503), wherein the plastic flocking layer (501) is bonded to the top end of the sound insulation cotton (2), the aluminum foil layer (502) is bonded to the bottom end of the sound insulation cotton (2), and the flame retardant cotton layer (503) is bonded to the bottom end of the aluminum foil layer (502).

7. The easily disassembled and replaceable car sound insulation pad according to claim 1, characterized in that: The wear-resistant structure (6) comprises a polyester fiber layer (601), an pearl cotton layer (602), a butyl rubber layer (603) and anti-slip grooves (604), wherein the polyester fiber layer (601) is bonded to the top of the plastic flocking layer (501), the pearl cotton layer (602) is bonded to the top of the polyester fiber layer (601), the butyl rubber layer (603) is bonded to the bottom of the flame-retardant cotton layer (503), and the bottom of the butyl rubber layer (603) is provided with anti-slip grooves (604).

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