Noise-reduction reinforcing film with multi-layer structure
By designing noise reduction reinforcement films with multi-layer structures, combined with different materials and structures, the existing reinforcement films are easily worn, prone to cracking on the surface and unstable pressure resistance at the bottom, achieving higher wear resistance, pressure resistance, sound insulation and service life.
Patent Information
- Application Number
- CN202421585490.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-05
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-05
AI Technical Summary
The external surface of existing reinforcement films is prone to wear, the surface is prone to cracking, the bottom is unstable and withstand pressure, and the service life is not long.
A multi-layer structure noise reduction reinforcement film is designed, including a lower pressure-resistant layer, a sound-insulating cushion layer, a sound-insulating upper layer, an upper pressure-resistant layer and a wear-resistant layer. Different materials and structures (such as POM, TPU, glass fiber, silicone rubber, PC endurance board, etc.) are used to enhance wear resistance, sound insulation and buffering.
It effectively improves the wear resistance and pressure resistance of the reinforced film, enhances the sound insulation and noise reduction effects, buffers shock and improves safety and service life.
Smart Images
Figure CN222877857U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of reinforcing films, in particular to a noise reduction reinforcing film with a multi-layer structure. Background Art
[0002] With the popularity of lightweight automobile structures, the outer panels of automobile doors are relatively thin, which makes it easy for them to generate noise and resonance during driving. In daily use, the outer panels of automobile doors are prone to dents and small pits under a certain force, which directly affects the appearance of the doors. When an accidental collision occurs, the occupants are easily injured due to the thin outer panels of automobile doors, so reinforcing films are pasted on the doors for protection.
[0003] In the prior art (Announcement No. CN215096945U), a reinforcing film suitable for automobile filling is described in its specification that "it includes a structural layer and a rib layer, with the rib layer as the central axis, and the structural layer and the composite layer are symmetrically arranged on both sides of the rib layer, the composite layer includes a composite inner layer, a composite buffer layer and an adhesive layer, the composite inner layer is connected to the adhesive layer via a composite buffer layer, and the three are combined to form an H-shaped structure." However, the outer surface of the reinforcing film in the prior art is easily worn out by impact and collision, resulting in surface cracking, and the bottom is not stable and pressure-resistant, and the service life is not long. Utility Model Content
[0004] In order to overcome the defects of the prior art, a multi-layer noise reduction reinforcing film is provided to solve the problems that the outer surface of the reinforcing film in the prior art is easily worn out by impact and collision, resulting in surface cracking, and the bottom is not stable and pressure-resistant, and the service life is not long.
[0005] To achieve the above-mentioned purpose, a multi-layer noise reduction reinforcing film is provided, including a reinforcing film, a lower pressure-resistant layer is arranged at the lower part of the reinforcing film, and an adhesive layer is arranged at the lower side of the lower pressure-resistant layer, and a bottom layer is arranged at the lower side of the adhesive layer, a sound insulation cushion layer is arranged at the middle part of the reinforcing film, and a sound insulation upper layer is arranged at the upper part of the reinforcing film, an upper pressure-resistant layer is arranged at the upper side of the sound insulation upper layer, and a wear-resistant layer is arranged at the upper side of the upper pressure-resistant layer.
[0006] Furthermore, the upper end surface of the wear-resistant layer is provided with convex points, and the wear-resistant layer is made of POM material.
[0007] Furthermore, the upper pressure-resistant layer is made of polyurethane TPU material, and the sound-insulating upper layer is made of glass fiber material.
[0008] Furthermore, the sound insulation cushion layer is made of silicone rubber, and a plurality of groups of first sound insulation pores are arranged in the sound insulation cushion layer, and the first sound insulation pores adopt a columnar sound insulation pore structure.
[0009] Furthermore, the lower pressure-resistant layer is made of PC endurance board material, and a plurality of groups of second sound insulation pores are arranged in the lower pressure-resistant layer, and the second sound insulation pores adopt an elliptical sound insulation pore structure.
[0010] Furthermore, the adhesive layer is made of epoxy resin rubber adhesive layer material, and the bottom layer is made of anti-sticking paper bottom layer.
[0011] The beneficial effects of the utility model are:
[0012] 1. The wear-resistant layer and the convex points in the present invention are provided to enhance the wear resistance of the outer surface of the reinforcing film so that it is not easily worn out.
[0013] 2. The arrangement of the middle and lower pressure-resistant layers and the sound-insulating cushion layers of the utility model not only provides sound insulation, but also has the function of buffering impact, making it safer, more stable and durable.
[0014] 3. The bottom layer in the utility model can be easily torn off outside the adhesive layer, so that the reinforcing film can be adhered to the position where it needs to be installed by using the adhesive layer. The left and right sides of the bottom layer are both extended beyond the two ends of the adhesive layer for better tearing, and the setting is more user-friendly. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a rendering of an embodiment of the utility model;
[0016] Figure 2 It is a top view schematic diagram of an embodiment of the utility model;
[0017] Figure 3 A bottom view schematic diagram of an embodiment of the utility model;
[0018] Figure 4 It is a cross-sectional schematic diagram of an embodiment of the utility model.
[0019] In the figure: 1. reinforcing film; 10. wear-resistant layer; 11. upper pressure-resistant layer; 12. upper sound insulation layer; 13. sound insulation cushion layer; 14. first sound insulation pores; 15. lower pressure-resistant layer; 16. second sound insulation pores; 17. adhesive layer; 18. bottom layer; 19. bumps. DETAILED DESCRIPTION
[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present disclosure.
[0021] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.
[0022] Figure 1 The effect diagram of the embodiment of the utility model is as follows: Figure 2 A schematic top view of an embodiment of the utility model, Figure 3 A bottom view schematic diagram of an embodiment of the utility model and Figure 4 It is a cross-sectional schematic diagram of an embodiment of the utility model.
[0023] Reference Figures 1 to 4 As shown, the utility model provides a multi-layer structure noise reduction reinforcing film, including a reinforcing film 1, a lower pressure-resistant layer 15 is arranged at the lower part of the reinforcing film 1, and an adhesive layer 17 is arranged on the lower side of the lower pressure-resistant layer 15, and a bottom layer 18 is arranged on the lower side of the adhesive layer 17, a sound insulation cushion layer 13 is arranged in the middle part of the reinforcing film 1, and a sound insulation upper layer 12 is arranged on the upper part of the reinforcing film 1, an upper pressure-resistant layer 11 is arranged on the upper side of the sound insulation upper layer 12, and a wear-resistant layer 10 is arranged on the upper side of the upper pressure-resistant layer 11.
[0024] In this embodiment, the upper end surface of the wear-resistant layer 10 is provided with a protrusion 19, and the wear-resistant layer 10 is made of POM material; the upper pressure-resistant layer 11 is made of polyurethane TPU material, and the sound-insulating upper layer 12 is made of glass fiber material.
[0025] As a preferred embodiment, the wear-resistant layer 10 and the protrusions 19 in the present invention are provided to enhance the wear resistance of the outer surface of the reinforcing film so that it is not easily worn out.
[0026] In this embodiment, the sound insulation cushion layer 13 is made of silicone rubber, and a plurality of groups of first sound insulation pores 14 are arranged in the sound insulation cushion layer 13, and the first sound insulation pores 14 adopt a cylindrical sound insulation pore structure; the lower pressure-resistant layer 15 is made of PC endurance board material, and a plurality of groups of second sound insulation pores 16 are arranged in the lower pressure-resistant layer 15, and the second sound insulation pores 16 adopt an elliptical sound insulation pore structure.
[0027] As a preferred implementation, the arrangement of the lower pressure-resistant layer 15 and the sound-insulating cushion layer 13 in the utility model not only provides sound insulation, but also has the function of buffering impact, making it safer, more stable and more durable.
[0028] In this embodiment, the adhesive layer 17 is made of epoxy resin rubber adhesive layer material, and the bottom layer 18 is made of release paper bottom layer.
[0029] As a preferred embodiment, the bottom layer 18 of the utility model can be easily torn off outside the adhesive layer 17, so that the reinforcing film 1 can be adhered to the position where it needs to be installed using the adhesive layer 17. The bottom layer 18 is arranged to have a portion on both sides extending beyond the two ends of the adhesive layer 17 for easier tearing, making the arrangement more user-friendly.
[0030] The utility model can effectively solve the problems in the prior art that the outer surface of the reinforcing film is easily worn when subjected to impact and collision, resulting in surface cracking, and the bottom is not stable and pressure-resistant, and the service life is not long. The utility model has a wear-resistant and pressure-resistant outer surface, and enhances the sound insulation and noise reduction effect inside. At the same time, it helps to buffer collision impact, and the bottom is also stable and pressure-resistant, which is safer and more durable.
[0031] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.
Claims
1. A multi-layer noise reduction and reinforcement film, characterized in that: The invention comprises a reinforcing film (1), wherein a lower pressure-resistant layer (15) is arranged at the lower part of the reinforcing film (1), and an adhesive layer (17) is arranged at the lower side of the lower pressure-resistant layer (15), and a bottom layer (18) is arranged at the lower side of the adhesive layer (17), a sound insulation cushion layer (13) is arranged at the middle part of the reinforcing film (1), and a sound insulation upper layer (12) is arranged at the upper part of the reinforcing film (1), an upper pressure-resistant layer (11) is arranged at the upper side of the sound insulation upper layer (12), and a wear-resistant layer (10) is arranged at the upper side of the upper pressure-resistant layer (11).
2. A multi-layer noise reduction and reinforcement film according to claim 1, characterized in that: The upper end surface of the wear-resistant layer (10) is provided with a convex point (19), and the wear-resistant layer (10) is made of POM material.
3. The multi-layer noise reduction and reinforcement film according to claim 1, characterized in that: The upper pressure-resistant layer (11) is made of polyurethane TPU material, and the sound-insulating upper layer (12) is made of glass fiber material.
4. The multi-layer noise reduction and reinforcement film according to claim 1, characterized in that: The sound insulation cushion layer (13) is made of silicone rubber, and a plurality of groups of first sound insulation pores (14) are arranged in the sound insulation cushion layer (13), and the first sound insulation pores (14) are of a columnar sound insulation pore structure.
5. The multi-layer noise reduction and reinforcement film according to claim 1, characterized in that: The lower pressure-resistant layer (15) is made of PC endurance board material, and a plurality of groups of second sound insulation pores (16) are arranged in the lower pressure-resistant layer (15), and the second sound insulation pores (16) adopt an elliptical sound insulation pore structure.
6. The multi-layer noise reduction and reinforcement film according to claim 1, characterized in that: The adhesive layer (17) is made of epoxy resin rubber adhesive layer material, and the bottom layer (18) is made of anti-sticking paper bottom layer.