A vehicle interior trim panel assembly

By incorporating moisture-proof and sound-insulating components into automotive trim panels, the problems of bacterial growth and noise vibration in humid environments are solved, resulting in improved comfort and functionality.

CN224490913UActive Publication Date: 2026-07-14YANCHENG JIEERDA AUTO PARTS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANCHENG JIEERDA AUTO PARTS CO LTD
Filing Date
2025-07-15
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Existing automotive trim panels are prone to bacterial growth and odor in humid environments, and noise and vibration issues during driving have not been effectively resolved.

Method used

It combines moisture-proof components (breathable moisture-proof membrane and waterproof layer) and sound-insulating components (sound insulation cotton and micro-perforated board) with reinforcement components (epoxy resin adhesive and honeycomb core reinforcement board) to improve comfort and functionality.

Benefits of technology

It effectively prevents odors caused by bacterial growth, achieves full-frequency noise reduction, enhances durability and comfort, and improves the in-vehicle environment.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224490913U_ABST
    Figure CN224490913U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of automobile ornaments, and disclose a kind of vehicle decorative plate combination structure, including decorative plate main part, the surface of decorative plate main part is connected with reinforcing component, the surface of reinforcing component is connected with flame-retardant layer, the top surface of flame-retardant layer is connected with sound insulation component, the top surface of sound insulation component is connected with protective layer, the top surface of protective layer is connected with moisture-proof component.The vehicle decorative plate combination structure, by the setting of moisture-proof component and protective layer, when using, breathable moisture-proof film uses ePTFE film, it can allow air exchange but block liquid water to enter, while waterproof layer, with the effect of waterproof, in addition, protective layer is antibacterial silver ion layer, can reduce the breeding of bacteria, to reach the purpose of moisture-proof, avoid the peculiar smell in car (especially in the south humid area) caused by bacteria breeding under humid environment, help to improve the comfort of vehicle use.
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Description

Technical Field

[0001] This utility model relates to the field of automotive trim technology, and in particular to a composite structure for automotive trim panels. Background Technology

[0002] With economic development and improved living standards, the number of cars used is increasing year by year. People not only pay attention to the car's intrinsic quality and styling, but also increasingly pursue personalization in the car's beauty and decoration. Its aesthetics and ease of installation and use have become essential characteristics. Car trim panels usually refer to the parts used to decorate and protect the interior or exterior of a car. They are covering parts that combine decoration and functionality and are usually used to enhance visual appeal, optimize user experience, or integrate specific functions.

[0003] In actual use, existing automotive trim panel assembly structures can lead to unpleasant odors due to bacterial growth in humid environments (especially in humid southern regions), which hinders the improvement of user comfort. In addition, during vehicle operation, there will be noise (such as wind noise, tire noise, and motor whine) and vibration (such as engine vibration), which also hinders the improvement of the functionality of the automotive trim panel assembly structure. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] The purpose of this utility model is to provide a vehicle trim panel assembly structure to solve the problems mentioned in the background art, which are inconvenient to improve the comfort of use and the functionality of the vehicle trim panel assembly structure.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a vehicle decorative panel assembly structure, comprising a panel body, a reinforcing component fixedly connected to the surface of the panel body, a flame-retardant layer fixedly connected to the surface of the reinforcing component, a sound insulation component fixedly connected to the top surface of the flame-retardant layer, a protective layer fixedly connected to the top surface of the sound insulation component, and a moisture-proof component fixedly connected to the top surface of the protective layer.

[0008] The sound insulation component includes sound insulation cotton and a micro-perforated plate;

[0009] The moisture-proof component includes a breathable moisture-proof membrane and a waterproof layer.

[0010] As a further embodiment of this utility model, the reinforcing component includes an epoxy resin adhesive fixedly connected to the surface of the main body of the decorative panel, and a honeycomb core reinforcing plate is fixedly connected to the top surface of the epoxy resin adhesive.

[0011] As a further embodiment of this invention, the honeycomb core reinforcement plate is made of polypropylene.

[0012] As a further embodiment of this utility model, the sound insulation component includes sound insulation cotton fixedly connected to the top surface of the flame retardant layer, and a micro-perforated plate is fixedly connected to the top surface of the sound insulation cotton. The sound insulation cotton is made of polyurethane.

[0013] As a further embodiment of this utility model, the moisture-proof component includes a breathable moisture-proof membrane fixedly connected to the surface of the protective layer, and a waterproof layer is fixedly connected to the top surface of the breathable moisture-proof membrane. The breathable moisture-proof membrane is made of ePTFE membrane.

[0014] As a further embodiment of this invention, the protective layer is made of an antibacterial silver ion layer.

[0015] As a further embodiment of this invention, a PET film UV-resistant layer is fixedly connected to the top surface of the waterproof layer.

[0016] (III) Beneficial Effects

[0017] This utility model provides a composite structure for automotive decorative panels, which has the following advantages:

[0018] 1. This automotive trim panel assembly structure, through the setting of moisture-proof components and protective layers, uses an ePTFE membrane for breathability and moisture-proofing. It allows air exchange but blocks liquid water from entering, while also serving as a waterproof layer. In addition, the protective layer is an antibacterial silver ion layer, which can reduce bacterial growth and thus achieve the purpose of moisture prevention. This avoids the odor caused by bacterial growth in humid environments (especially in humid southern regions) and helps improve the comfort of vehicle use.

[0019] 2. This automotive trim panel assembly structure, through the setting of sound insulation components, allows the micro-perforated panel to absorb mid-to-high frequency noise (wind noise / motor whine) and the sound insulation cotton to absorb mid-to-low frequency noise (road noise / engine vibration) during use. The two work together to achieve efficient noise reduction across the entire frequency range, avoiding noise (such as wind noise, tire noise, motor whine) and vibration (such as engine vibration) during vehicle operation, thus helping to improve the functionality of the automotive trim panel assembly structure. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the moisture-proof component structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the sound insulation component structure of this utility model;

[0023] Figure 4 This is a schematic diagram of the reinforcing component structure of this utility model.

[0024] In the diagram: 1. Decorative panel body; 2. Reinforcing component; 201. Epoxy resin adhesive; 202. Honeycomb core reinforcing board; 3. Flame retardant layer; 4. Sound insulation component; 401. Sound insulation cotton; 402. Micro-perforated board; 5. Protective layer; 6. Moisture-proof component; 601. Breathable and moisture-proof membrane; 602. Waterproof layer; 7. PET film UV-resistant layer. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0026] Please see Figures 1 to 4 This utility model provides a technical solution: a vehicle decorative panel assembly structure, including a panel body 1, a reinforcing component 2 fixedly connected to the surface of the panel body 1, a flame-retardant layer 3 fixedly connected to the surface of the reinforcing component 2, a sound insulation component 4 fixedly connected to the top surface of the flame-retardant layer 3, a protective layer 5 fixedly connected to the top surface of the sound insulation component 4, and a moisture-proof component 6 fixedly connected to the top surface of the protective layer 5.

[0027] The sound insulation component 4 includes sound insulation cotton 401 and micro-perforated plate 402. Through the setting of the sound insulation component 4, when in use, the micro-perforated plate 402 absorbs mid-to-high frequency noise (wind noise / motor whine), and the sound insulation cotton 401 absorbs mid-to-low frequency noise (road noise / engine vibration). The two work together to achieve efficient noise reduction across the entire frequency band, avoiding noise (such as wind noise, tire noise, motor whine) and vibration (such as engine vibration) during vehicle operation, which helps to improve the functionality of the vehicle trim panel assembly structure.

[0028] The moisture-proof component 6 includes a breathable moisture-proof membrane 601 and a waterproof layer 602. Through the setting of the moisture-proof component 6 and the protective layer 5, the breathable moisture-proof membrane 601 is made of ePTFE membrane, which allows air exchange but blocks liquid water from entering. At the same time, the waterproof layer 602 has a waterproof function. In addition, the protective layer 5 is an antibacterial silver ion layer, which can reduce the growth of bacteria, thereby achieving the purpose of moisture-proofing. This avoids the odor inside the car caused by bacterial growth in humid environments (especially in humid southern regions), and helps to improve the comfort of vehicle use.

[0029] The reinforcing component 2 includes an epoxy resin adhesive 201 fixedly connected to the surface of the trim panel body 1. A honeycomb core reinforcing plate 202 is fixedly connected to the top surface of the epoxy resin adhesive 201. The reinforcement component 2 increases the durability of the automotive trim panel assembly structure.

[0030] The honeycomb core reinforcement panel 202 is made of polypropylene. The honeycomb core reinforcement panel 202 increases the structural density.

[0031] The sound insulation component 4 includes a sound insulation cotton 401 fixedly connected to the top surface of the flame retardant layer 3. A micro-perforated plate 402 is fixedly connected to the top surface of the sound insulation cotton 401. The sound insulation cotton 401 is made of polyurethane. The sound insulation component 4 serves to insulate sound.

[0032] The moisture-proof component 6 includes a breathable moisture-proof membrane 601 fixedly connected to the surface of the protective layer 5. A waterproof layer 602 is fixedly connected to the top surface of the breathable moisture-proof membrane 601. The breathable moisture-proof membrane 601 is made of ePTFE membrane. The moisture-proof component 6 serves to prevent moisture.

[0033] The protective layer 5 is made of antibacterial silver ion layer, which helps to reduce bacterial growth.

[0034] A PET film UV-resistant layer 7 is fixedly connected to the top surface of the waterproof layer 602, which provides protection.

[0035] In this invention, the working steps of the device are as follows:

[0036] First step: When in use, the micro-perforated plate 402 absorbs mid-to-high frequency noise (wind noise / motor whistling), and the sound insulation cotton 401 absorbs mid-to-low frequency noise (road noise / engine vibration).

[0037] The second step: When in use, the breathable and moisture-proof membrane 601 is made of ePTFE membrane, which allows air exchange but blocks liquid water from entering. At the same time, the waterproof layer 602 has a waterproof function, and the protective layer 5 is an antibacterial silver ion layer, which can reduce the growth of bacteria.

[0038] It should be noted that the device structure and accompanying drawings of this utility model mainly describe the principle of this utility model. In terms of the technical aspects of this design principle, the setting of the power mechanism, power supply system and control system of the device is not fully described. However, under the premise that those skilled in the art understand the principle of the above utility model, the specific details of its power mechanism, power supply system and control system can be clearly understood. The control method in the application document is automatic control through a controller. The control circuit of the controller can be implemented by those skilled in the art through simple programming.

[0039] All standard parts used can be purchased from the market, and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment adopt conventional models in the existing technology, and the structure and principle of the components known to those skilled in the art can be known by those skilled in the art through technical manuals or conventional experimental methods.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vehicle trim panel assembly structure, comprising a trim panel body (1), characterized in that: The surface of the main body (1) of the decorative panel is fixedly connected to a reinforcing component (2), the surface of the reinforcing component (2) is fixedly connected to a flame-retardant layer (3), the top surface of the flame-retardant layer (3) is fixedly connected to a sound-insulating component (4), the top surface of the sound-insulating component (4) is fixedly connected to a protective layer (5), and the top surface of the protective layer (5) is fixedly connected to a moisture-proof component (6). The sound insulation component (4) includes sound insulation cotton (401) and micro-perforated plate (402). The moisture-proof component (6) includes a breathable moisture-proof membrane (601) and a waterproof layer (602).

2. The automotive decorative panel assembly structure according to claim 1, characterized in that: The reinforcing component (2) includes an epoxy resin adhesive (201) fixedly connected to the surface of the decorative panel body (1), and a honeycomb core reinforcing plate (202) is fixedly connected to the top surface of the epoxy resin adhesive (201).

3. The automotive decorative panel assembly structure according to claim 2, characterized in that: The honeycomb core reinforcement panel (202) is made of polypropylene.

4. The automotive decorative panel assembly structure according to claim 1, characterized in that: The sound insulation component (4) includes a sound insulation cotton (401) fixedly connected to the top surface of the flame retardant layer (3). A micro-perforated plate (402) is fixedly connected to the top surface of the sound insulation cotton (401). The material of the sound insulation cotton (401) is polyurethane.

5. The automotive decorative panel assembly structure according to claim 1, characterized in that: The moisture-proof component (6) includes a breathable moisture-proof membrane (601) fixedly connected to the surface of the protective layer (5). A waterproof layer (602) is fixedly connected to the top surface of the breathable moisture-proof membrane (601). The material of the breathable moisture-proof membrane (601) is an ePTFE membrane.

6. The automotive decorative panel assembly structure according to claim 1, characterized in that: The protective layer (5) is made of antibacterial silver ion layer.

7. The automotive decorative panel assembly structure according to claim 5, characterized in that: A PET film UV-resistant layer (7) is fixedly connected to the top surface of the waterproof layer (602).