Wear-resistant automotive interior trim part
By adopting a multi-layer coating structure and functional layer design on the interior parts of the car, the problem of insufficient wear resistance and durability of traditional interior parts is solved, and higher wear resistance and better user experience is achieved.
Patent Information
- Application Number
- CN202421440814.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-06-21
AI Technical Summary
Traditional automotive interiors have shortcomings in wear resistance and durability, especially when faced with long-term use and complex environments.
The wear-resistant layer consisting of a base coat, an intermediate coat and a top coat is used. The base coat is polyurethane resin, the intermediate coat is wear-resistant resin and is filled with wear-resistant particles, the top coat is acrylic resin, and the reasonable layout of the functional layer, including a reinforcement layer, buffer layer and sound insulation layer, improve the mechanical properties and comfort of the interior parts.
It significantly improves the wear resistance and durability of automotive interior parts, enhances the hardness and adhesion of the coating, while maintaining the beautiful appearance of the interior parts, improving the overall mechanical properties and comfort.
Smart Images
Figure CN222921205U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automotive interior parts, and particularly relates to a wear-resistant automotive interior part. Background Art
[0002] With the rapid development of the automotive industry, automotive interior parts not only need to meet the requirements of aesthetics and comfort, but also must have good durability to resist wear in daily use. Traditional automotive interior parts, such as seats, door panels, instrument panels, etc., are usually made of a single material. Although these materials have certain advantages in appearance and touch, their wear resistance is often unsatisfactory. In the prior art, the wear-resistant layer of interior parts usually adopts a single coating or a simple composite material. Although these materials can provide a certain degree of protection, their wear resistance and durability still need to be improved when facing long-term use and challenges in complex environments.
[0003] Based on the above situation, the utility model proposes a wear-resistant automotive interior part, which can effectively solve the above problems. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a wear-resistant automotive interior part. A wear-resistant automotive interior part provided by the utility model has good wear resistance. The wear-resistant layer is composed of a bottom coating, an intermediate coating and a top coating. The bottom coating uses polyurethane resin to ensure the firm adhesion of the coating to the interior part substrate; the intermediate coating uses wear-resistant resin and is filled with wear-resistant particles, significantly improving the wear resistance of the coating; and the top coating uses acrylic resin, which not only enhances the hardness of the wear-resistant layer, but also maintains the beautiful appearance of the interior part. In addition, the functional layer of the interior part further improves the mechanical properties and comfort of the interior part through the reasonable layout of the reinforcement layer, the buffer layer and the sound insulation layer.
[0005] The utility model is realized through the following technical solutions:
[0006] A wear-resistant automotive interior part includes an interior part body. A support layer is arranged on the surface of the interior part body. A functional layer is arranged on the surface of the support layer. A wear-resistant layer is arranged on the surface of the functional layer. The functional layer is sequentially provided with a reinforcement layer, a buffer layer and a sound insulation layer from bottom to top. The wear-resistant layer is sequentially provided with a bottom coating, an intermediate coating and a top coating from bottom to top.
[0007] According to the above technical solution, as a further preferred technical solution of the above technical solution, the material of the support layer is polyethylene.
[0008] According to the above technical solution, as a further preferred technical solution of the above technical solution, the material of the reinforcement layer is glass fiber; the material of the buffer layer is silicone rubber; the material of the sound insulation layer is open-cell foam.
[0009] According to the above technical solution, as a further preferred technical solution of the above technical solution, the material of the bottom coating is polyurethane resin, the material of the intermediate coating is wear-resistant resin, and the material of the top coating is acrylic resin.
[0010] According to the above technical solution, as a further preferred technical solution of the above technical solution, wear-resistant particles are also filled inside the intermediate coating, and the material of the wear-resistant particles is silicon dioxide.
[0011] Compared with the prior art, the present utility model has the following advantages and beneficial effects:
[0012] A wear-resistant automotive interior part provided by the present utility model has good wear resistance. The wear-resistant layer is composed of a bottom coating, an intermediate coating, and a top coating. Among them, the bottom coating uses polyurethane resin to ensure firm adhesion between the coating and the interior part substrate; the intermediate coating uses wear-resistant resin and is filled with wear-resistant particles, significantly improving the wear resistance of the coating; while the top coating uses acrylic resin, which not only enhances the hardness of the wear-resistant layer but also maintains the beautiful appearance of the interior part. In addition, the functional layer of the interior part further improves the mechanical properties and comfort of the interior part through the reasonable layout of the reinforcement layer, buffer layer, and sound insulation layer. Description of the Drawings
[0013] Figure 1 is a cross-sectional schematic view of the present utility model;
[0014] Figure 2 is a cross-sectional schematic view of the functional layer of the present utility model;
[0015] Figure 3 is a cross-sectional schematic view of the wear-resistant layer of the present utility model. Detailed Embodiments
[0016] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the following describes the preferred implementation scheme of the present utility model with reference to specific embodiments. However, it should be understood that the drawings are only for illustrative purposes and cannot be construed as a limitation of this patent; for better illustration of this embodiment, some components in the drawings will be omitted, enlarged, or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationships described in the drawings are only for illustrative purposes and cannot be construed as a limitation of this patent.
[0017] A wear-resistant automotive interior part, including an interior part body 1, a support layer 2 is provided on the surface of the interior part body 1, a functional layer 3 is provided on the surface of the support layer 2, and a wear-resistant layer 4 is provided on the surface of the functional layer 3; the functional layer 3 is sequentially provided with a reinforcement layer 31, a buffer layer 32 and a sound insulation layer 33 from bottom to top, and the wear-resistant layer 4 is sequentially provided with a primer layer 41, an intermediate layer 42 and a topcoat layer 43 from bottom to top.
[0018] Further, in another embodiment, the material of the support layer 2 is polyethylene.
[0019] Using polyethylene as the material of the support layer 2 provides good flexibility and cost-effectiveness. At the same time, the chemical stability and easy processing characteristics of polyethylene also contribute to improving the overall performance and production efficiency of the interior part.
[0020] Further, in another embodiment, the material of the reinforcement layer 31 is glass fiber; the material of the buffer layer 32 is silicone rubber; the material of the sound insulation layer 33 is open-cell foam.
[0021] The reinforcement layer 31 is made of glass fiber material, providing high strength and rigidity. The buffer layer 32 is made of silicone rubber material, providing excellent elasticity and shock absorption performance. The sound insulation layer 33 is made of open-cell foam material, effectively absorbing and blocking sound transmission. The selection and application of these materials significantly improve the mechanical performance and comfort of the interior part.
[0022] Further, in another embodiment, the material of the primer layer 41 is polyurethane resin, the material of the intermediate layer 42 is wear-resistant resin, and the material of the topcoat layer 43 is acrylic resin.
[0023] The wear-resistant layer is composed of a primer layer 41, an intermediate layer 42 and a topcoat layer 43. Among them, the polyurethane resin of the primer layer 41 provides good adhesion, the wear-resistant resin of the intermediate layer 42 provides excellent wear resistance, and the acrylic resin of the topcoat layer 43 provides high hardness and aesthetics. This layered design significantly improves the wear resistance and surface protection of the interior part.
[0024] Further, in another embodiment, wear-resistant particles 44 are filled inside the intermediate layer 42, and the material of the wear-resistant particles 44 is silicon dioxide.
[0025] The wear-resistant particles filled inside the intermediate layer 42, such as silicon dioxide, further enhance the wear resistance of the coating. This particle filling technology not only improves the durability of the interior part, but also maintains the uniformity and smoothness of the coating, thereby extending the service life of the interior part and improving its appearance quality.
[0026] Based on the description and drawings of the present utility model, those skilled in the art can easily manufacture or use a wear-resistant automotive interior part of the present utility model and can achieve the positive effects recorded in the present utility model.
[0027] Unless otherwise specified, in the present utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms used to describe the orientation or positional relationship in the present utility model are only for illustrative purposes and cannot be construed as a limitation on this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood in combination with the drawings and according to specific circumstances.
[0028] Unless otherwise clearly defined and limited, in the present utility model, if there are terms such as "set", "connected" and "connected", they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0029] The above are only the preferred embodiments of the present utility model and do not impose any formal restrictions on the present utility model. Any simple modifications and equivalent changes made to the above embodiments based on the technical essence of the present utility model all fall within the protection scope of the present utility model.
Claims
1. A wear-resistant automobile interior decoration part, characterized in that: The invention comprises an interior decoration body (1), wherein a support layer (2) is arranged on the surface of the interior decoration body (1), a functional layer (3) is arranged on the surface of the support layer (2), and a wear-resistant layer (4) is arranged on the surface of the functional layer (3); the functional layer (3) is provided with a reinforcing layer (31), a buffer layer (32) and a sound insulation layer (33) in sequence from bottom to top, and the wear-resistant layer (4) is provided with a primer layer (41), an intermediate layer (42) and a top layer (43) in sequence from bottom to top.
2. The wear-resistant automobile interior decoration part according to claim 1, characterized in that: The material of the support layer (2) is polyethylene.
3. The wear-resistant automobile interior decoration part according to claim 1, characterized in that: The material of the reinforcement layer (31) is glass fiber; the material of the buffer layer (32) is silicone rubber; and the material of the sound insulation layer (33) is open-cell foam.
4. The wear-resistant automobile interior decoration part according to claim 1, characterized in that: The material of the base coating (41) is polyurethane resin, the material of the intermediate coating (42) is wear-resistant resin, and the material of the top coating (43) is acrylic resin.
5. The wear-resistant automobile interior decoration part according to claim 4, characterized in that: The interior of the intermediate coating (42) is also filled with wear-resistant particles (44), and the material of the wear-resistant particles (44) is silicon dioxide.