High-strength automobile heat shield

CN224781920UActive Publication Date: 2026-09-22JIANGYIN LINGANG RUBBER & PLASTIC PROD CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202522439852.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-18
Publication Date
2026-09-22
Estimated Expiration
2035-11-18

AI Technical Summary

Technical Problem

[0003]传统的汽车隔热罩多采用单层玻璃纤维材质,由于结构简单,强度不足,并且很容易沾染油污,容易因高温老化开裂,抗机械冲击性能差,并且抗拉扯能力不足,降低了使用寿命,并且汽车隔热罩侧壁由于未设置有包裹结构,导致直接裸露在外面,很容易出现各层翘起,影响美观

Benefits of technology

1、本实用新型中,通过防护层为纳米陶瓷涂层,防止油污渗透,抗污能力强,抗拉扯层由玻璃纤维条垂直编织而层,提高了本体的抗拉扯能力,笔款外力过大导致本体破裂,缓冲层由闭孔发泡硅橡胶制成,提高了缓冲能力,增加了抗压强度,提高了使用寿命。

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224781920U_ABST
    Figure CN224781920U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of heat shield, and disclose a kind of high-strength automobile heat shield, including body, the middle part of body is provided with base layer;Base layer is made of aerogel felt material, base layer outer layer is provided with protective layer, base layer inner layer is provided with anti-pulling layer, anti-pulling layer inner layer is provided with buffer layer, each layer is all adhered by high-temperature resistant acrylic pressure-sensitive adhesive between it. In the utility model, the protective layer is nano ceramic coating, prevents oil penetration, strong antifouling ability, anti-pulling layer is woven by glass fiber strip vertically, improve the anti-pulling ability of body, the rupture of body caused by excessive external force, buffer layer is made of closed-cell foam silicone rubber, improve the buffering capacity, increase the compressive strength, improve the service life. The body outer side wall is wrapped by alloy strip, improve the aesthetic and senior feeling, and each layer can be prevented from warping.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of heat insulation cover technology, specifically a high-strength automotive heat insulation cover. Background Technology

[0002] Car heat shields are engine hood heat insulation pads, which are important accessories that combine heat insulation, noise reduction and protection functions. The materials and usage scenarios should be selected according to the needs.

[0003] Traditional automotive heat shields are mostly made of single-layer fiberglass. Due to their simple structure, they lack strength and are easily contaminated with oil. They are also prone to aging and cracking due to high temperatures, have poor resistance to mechanical impact, and lack tensile strength, which reduces their service life. Furthermore, since the side walls of automotive heat shields are not covered by a protective structure, they are directly exposed and are prone to peeling up, affecting their appearance. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a high-strength automotive heat insulation cover, which has advantages such as high strength and solves the problems mentioned in the background technology.

[0005] To achieve the aforementioned high strength objective, this utility model provides the following technical solution: a high-strength automotive heat insulation cover, comprising a body, wherein a base layer is provided in the middle of the body; The base layer is made of aerogel felt material. The outer layer of the base layer is provided with a protective layer, the inner layer of the base layer is provided with a tensile-resistant layer, and the inner layer of the tensile-resistant layer is provided with a buffer layer. All layers are bonded together with high-temperature resistant acrylic pressure-sensitive adhesive.

[0006] As a further improvement of this utility model: the outer ring of the main body is provided with an aluminum alloy strip, and multiple screws are provided on the aluminum alloy strip and penetrate the main body. The outer wall of the main body is wrapped by the aluminum alloy strip, which improves the aesthetics and sense of luxury, and can prevent the layers from peeling up.

[0007] As a further improvement of this utility model: the upper outer part of the main body is provided with multiple small buckle holes, and the middle part of the upper part of the main body is provided with multiple large buckle holes. The large buckles and small buckles are sequentially snapped into the corresponding small buckle holes and large buckle holes in a clockwise direction to lock and fix the main body.

[0008] As a further improvement of this utility model, the protective layer is a nano-ceramic coating, which prevents oil penetration and has strong anti-fouling ability.

[0009] As a further improvement of this utility model, the buffer layer is made of closed-cell foamed silicone rubber, which improves the buffering capacity and increases the compressive strength.

[0010] As a further improvement of this utility model, the tensile-resistant layer is made of vertically woven glass fiber strips, which improves the tensile strength of the body and prevents the body from breaking due to excessive external force.

[0011] As a further improvement of this utility model, two heat insulation layers are adhered to the surface of the main body, which improves the heat insulation capability of the main body.

[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. In this utility model, the protective layer is a nano-ceramic coating, which prevents oil stains from penetrating and has strong anti-fouling ability. The tensile layer is made of vertically woven glass fiber strips, which improves the tensile strength of the body and prevents the body from breaking due to excessive external force. The buffer layer is made of closed-cell foamed silicone rubber, which improves the buffering capacity, increases the compressive strength, and improves the service life.

[0013] 2. In this utility model, the outer wall of the main body is wrapped with alloy strips, which improves the aesthetics and sense of luxury, and can prevent the layers from peeling up. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the appearance of the present utility model; Figure 2 This is a schematic diagram of the material structure of this utility model; Figure 3 In this utility model Figure 1 Enlarged schematic diagram of point A.

[0015] In the diagram: 1. Body; 2. Small snap-fit ​​hole; 3. Tensile-resistant layer; 4. Aluminum alloy strip; 5. Heat insulation layer; 6. Large snap-fit ​​hole; 7. Protective layer; 8. Base layer; 9. Buffer layer; 10. Screw. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] It should be noted that both nano-ceramic coatings and closed-cell foamed silicone rubber are existing technologies and are common knowledge to those skilled in the art, and will not be elaborated upon here.

[0018] Please see Figures 1-3 In this embodiment of the utility model, a high-strength automotive heat insulation cover includes a body 1, and a base layer 8 is provided in the middle of the body 1. The base layer 8 is made of aerogel felt material. The outer layer of the base layer 8 is provided with a protective layer 7, the inner layer of the base layer 8 is provided with a tensile layer 3, and the inner layer of the tensile layer 3 is provided with a buffer layer 9. All layers are bonded together with high-temperature resistant acrylic pressure-sensitive adhesive.

[0019] The main body 1 is surrounded by an aluminum alloy strip 4, with multiple screws 10 embedded in the strip and penetrating through it. The aluminum alloy strip 4 wraps around the outer wall of the main body 1, enhancing its aesthetics and premium feel, and preventing the layers from warping. Multiple small snap-fit ​​holes 2 are located on the upper exterior of the main body 1, and multiple large snap-fit ​​holes 6 are located in the middle of the upper part. The large and small snap-fit ​​holes are sequentially inserted clockwise into their corresponding positions into the small and large snap-fit ​​holes 2 and 6 to secure the main body 1. The protective layer 7 is a nano-ceramic coating, preventing oil penetration and providing strong stain resistance. The buffer layer 9 is made of closed-cell foamed silicone rubber, improving cushioning and increasing compressive strength. The tensile strength layer 3 is vertically woven from glass fiber strips, enhancing the tensile strength of the main body 1 and preventing breakage due to excessive external force. Two heat insulation layers 5 are adhered to the surface of the main body 1, improving its heat insulation capabilities.

[0020] The working principle of this utility model is as follows: The main body 1 is installed inside the corresponding engine hood. The large and small buckles are sequentially snapped into the corresponding small buckle holes 2 and large buckle holes 6 in a clockwise direction to secure the main body 1. The aluminum alloy strip 4 wraps the outer wall of the main body 1, which improves the aesthetics and premium feel and prevents the layers from lifting. The protective layer 7 is a nano-ceramic coating, which prevents oil stains from penetrating and has strong anti-fouling ability. The tensile strength layer 3 is made of vertically woven glass fiber strips, which improves the tensile strength of the main body 1 and prevents the main body 1 from breaking due to excessive external force. The buffer layer 9 is made of closed-cell foamed silicone rubber, which improves the buffering capacity and increases the compressive strength.

[0021] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A high-strength automotive heat shield, comprising a body (1), wherein a base layer (8) is disposed in the middle of the body (1). Its features are: The base layer (8) is made of aerogel felt material. The outer layer of the base layer (8) is provided with a protective layer (7), the inner layer of the base layer (8) is provided with a tensile layer (3), and the inner layer of the tensile layer (3) is provided with a buffer layer (9). All layers are bonded together with high-temperature resistant acrylic pressure-sensitive adhesive.

2. The high-strength automotive heat shield according to claim 1, characterized in that: The outer ring of the body (1) is provided with an aluminum alloy strip (4), and multiple screws (10) are provided on the aluminum alloy strip (4) and penetrate the body (1).

3. The high-strength automotive heat shield according to claim 1, characterized in that: The upper outer part of the body (1) is provided with multiple small buckle holes (2), and the upper middle part of the body (1) is provided with multiple large buckle holes (6).

4. A high-strength automotive heat shield according to claim 1, characterized in that: The protective layer (7) is a nano-ceramic coating.

5. A high-strength automotive heat shield according to claim 1, characterized in that: The buffer layer (9) is made of closed-cell foamed silicone rubber.

6. A high-strength automotive heat shield according to claim 1, characterized in that: The tensile strength layer (3) is formed by vertically weaving glass fiber strips.

7. A high-strength automotive heat shield according to claim 1, characterized in that: The surface of the body (1) is bonded with two heat insulation layers (5).