Three-dimensional (3D) laser etching door interior trim panel decoration strip
By using 3D laser engraving technology to carve decorative strips on the car door trim, and setting up energy-absorbing structures and fixing brackets, the problems of single decorative strips, cumbersome assembly and poor energy-absorbing effect of existing car door trims are solved, achieving Personalized design, simplified assembly and improved energy absorption effect.
Patent Information
- Application Number
- CN202420534021.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-19
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-03-19
AI Technical Summary
The decorative strips of existing automotive door trim are single and lack personalized design, cumbersome assembly, poor energy absorption effect, inconvenient replacement, and long maintenance time.
Design a 3D laser-carved door interior panel decorative strip. By carving the decorative strip on the door trim panel and setting up an energy-absorbing structure and a fixed frame, personalized design and simplified assembly can be achieved.
It realizes the personalized design of decorative strips, simplifies the assembly process, improves the energy absorption effect, and facilitates replacement and maintenance.
Smart Images

Figure CN222372809U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile door trim panels, in particular to a 3D laser engraved door interior trim panel decorative strip. Background Art
[0002] The door trim covers the inner door panel, which is not only beautiful, but also has the functions of sound insulation and vibration absorption, dust and water prevention, and protection of the human body during vehicle collision. The existing decorative strips on the door trim are single and lack personalized design. In addition, the anti-collision energy absorption device on the door trim is inconvenient to install and has poor energy absorption effect. Therefore, we designed a 3D laser engraved door interior panel decorative strip.
[0003] Patent No. CN202221975275.3 is a Chinese utility model patent, which discloses a door interior panel anti-collision device, which solves the problem of cumbersome assembly. It is integrally formed on the door interior panel, including a first support body, a second support body and a boss. The surface of the door interior panel is provided with a sink, and the sink is provided with a support column protruding outward, and the boss has a certain thickness on the top of the support column, and the first support is formed as a whole with the sink and extends a certain length in the direction of the boss, and the second support is formed as a whole with the boss and extends a certain length in the direction of the sink, and a weakening groove is provided at the connecting part of the first support body and the second support body. Due to the use of this device, it is simple and easy to operate during assembly, and does not require separate foaming and welding, saving costs and labor, and improving work efficiency. However, the device has the following problems: first, it does not have a beautiful and personalized design of the decorative strips on the door interior panel; secondly, the door trim anti-collision device is easy to install but inconvenient to replace, the maintenance time is long, and the energy absorption effect is poor. Utility Model Content
[0004] The purpose of the utility model is to address the deficiencies of the prior art. By providing an energy absorbing structure, a decorative strip and a fixing frame, the utility model solves the technical problems that the decorative strips of the existing automobile door trim panels need to be installed additionally, the assembly time is long, the energy absorbing structure is troublesome to disassemble and assemble, the energy absorbing effect is poor, and cup bodies of different sizes cannot be fixed.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A 3D laser engraved door interior panel decorative strip comprises a door trim panel, a door handle is provided at the upper left corner of the front surface of the door trim panel, a decorative strip is provided below the door handle, a door box is provided below the decorative strip, a storage compartment is provided below the door box, an energy absorbing structure is provided on the right side of the storage compartment, a fixing frame is provided at the bottom of the storage compartment, an inclined surface is provided on the upper end of the inner surface of the fixing frame, an expansion ring is provided at the upper end of the fixing frame, and the expansion ring is a wavy plastic ring.
[0007] As a preference, the fixing frame is formed by staggered large rings and small rings, and both the large rings and the small rings are made of elastic rubber, and the inner diameters of the large rings and the small rings are smaller than the inner diameter of the expansion ring.
[0008] Preferably, the outer surface of the decorative strip is covered with a 3D laser sticker, the upper surface of the door box is covered with leather, and an armrest is provided on the left side of the door box.
[0009] As a preference, the energy absorbing structure comprises a pair of rectangular seats, wherein the left end of the rectangular seat is fixedly connected to the beautification plate, and hollow connecting columns are provided at the ends of the rectangular seats close to each other.
[0010] Preferably, energy absorbing columns are provided between the hollow connecting columns, collapse grooves are evenly distributed on the edges of the energy absorbing columns, and the energy absorbing columns are honeycomb hollow columns.
[0011] As a preference, an elastic member is provided in the internal honeycomb hole of the energy absorbing column, a riveted surface is provided between the energy absorbing column and the hollow connecting column, and the riveted surface and the energy absorbing column are connected by hollow rivets.
[0012] Beneficial effects of the utility model:
[0013] (1) In the utility model, by providing an energy-absorbing structure, a double energy-absorbing process is formed when the automobile is hit. When the collision force is relatively light, the energy-absorbing column is subjected to external force so that the internal honeycomb structure absorbs the collision energy, and the collapse groove deforms to offset part of the collision. When the collision force continues to increase, the elastic member absorbs the energy and deforms, and the hollow rivet is damaged and falls off due to the impact and shear force, so that the compressed and deformed energy-absorbing column is compressed into the hollow connecting column, thereby causing the hollow connecting column to deform and absorb energy.
[0014] (2) In the present invention, decorative strips are provided. Other door trim panels and decorative panels are of separate designs and need to be connected together by means of clamping, welding, etc., which is time-consuming and labor-intensive. The decorative strips in the present application are carved on the door trim panel using 3D laser engraving technology, and no additional installation is required. In addition, the car owner can choose the laser pattern style to achieve personalized customization.
[0015] (3) In the utility model, a fixing frame is provided, and a water cup or a milk tea cup is inserted downwardly into a large ring or a small ring along the expansion ring according to the size of its bottom. The large ring or the small ring is stretched open and tightly clamps the cup body, thereby preventing the cup body from shaking when the vehicle brakes suddenly, and the utility model has high applicability.
[0016] In summary, the utility model has the advantages of simple structure, integrated decorative strips, and good energy absorption effect, and is particularly suitable for the technical field of automobile door trim panels. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0018] Figure 1 It is a schematic diagram of the front axle structure of a car door trim.
[0019] Figure 2 It is a schematic diagram of the top-down axial structure of the automobile door trim.
[0020] Figure 3 It is a schematic diagram of the structure of the energy absorbing structure.
[0021] Figure 4 It is a structural schematic diagram of the fixed frame part.
[0022] Figure 5 Schematic diagram of the explosion of the energy-absorbing structure. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present utility model are clearly and completely described below in conjunction with the accompanying drawings.
[0024] Embodiment 1
[0025] like Figures 1 to 5As shown, the utility model provides a 3D laser engraved door interior panel decorative strip, including a door trim panel 1, which covers the inner panel of the door. In addition to decorating the door, it also has the functions of convenient door opening and closing, supporting elbows and wrists, sound insulation and vibration absorption, dust and water resistance, and protecting the human body during vehicle collision. A door handle 2 is provided at the upper left corner of the front surface of the door trim panel 1 for opening the door in the car, and a decorative strip 3 is provided below the door handle 2. Other door trim panels and decorative panels are split designs and need to be connected together by means of clamping, welding, etc., which is time-consuming and labor-intensive. The decorative strip 3 in this application is engraved on the door trim panel 1 using 3D laser engraving technology, and no additional installation is required. The car owner can choose the laser pattern style to achieve personalized customization. A door box 4 is provided below the decorative strip 3 to support the elbows and wrists. It can be used to store sundries. A storage compartment 5 is provided under the door box 4 for placing items such as water cups and towels to increase the storage space in the car. An energy absorption structure 6 is provided on the right side of the storage compartment 5 to form a double energy absorption process when the car is hit. A fixing frame 7 is provided at the bottom of the storage compartment 5 to fix cups of different specifications to prevent the cups from tipping over during emergency braking of the car. An inclined surface 71 is provided on the upper end of the inner surface of the fixing frame 7 to make the connection surface between the fixing frame 7 and the expansion ring 72 smoother, so that the cup can be smoothly inserted into the fixing frame 7 along the expansion ring 72. An expansion ring 72 is provided on the upper end of the fixing frame 7, and the expansion ring 72 is a wavy plastic ring. The shape of the expansion ring 72 is adapted to the fixing frame 7, so that the cup can be smoothly inserted into the fixing frame 7 by forcing it downward from the expansion ring 72.
[0026] Further, if Figure 4 As shown, the fixing frame 7 is formed by staggered distribution of large rings 73 and small rings 74, and the large rings 73 and the small rings 74 are both made of elastic rubber, and the inner diameters of the large rings 73 and the small rings 74 are smaller than the inner diameter of the expansion ring 72. A water cup or a milk tea cup is inserted downward along the expansion ring 72 according to the size of its bottom, and the large rings 73 or the small rings 74 are stretched open and tightly clamp the cup body, thereby preventing the cup body from shaking when the vehicle brakes suddenly, and the applicability is high.
[0027] Further, if Figure 1 As shown, the outer surface of the decorative strip 3 is covered with 3D laser stickers, and customers can customize the patterns themselves to achieve personalized customization. In order to protect the decorative strip 3 and reduce scratches, the upper surface of the door box 4 is covered with leather, making it more comfortable to support the elbow and wrist on it, and an armrest 8 is provided on the left side of the door box 4 for pushing and opening the door in the car.
[0028] Further, if Figure 3As shown, the energy absorbing structure 6 includes a pair of rectangular seats 61, and mounting holes are provided at the four corners of the rectangular seats 61 to facilitate connection with the beautification plate 62 or the inner panel of the door. The left end of the rectangular seat 61 is fixedly connected to the beautification plate 62, and a hollow connecting column 63 is provided at one end of the rectangular seat 61 close to each other. The hollow connecting column 63 is hollow inside and can accommodate part of the energy absorbing column 64.
[0029] Furthermore, energy absorbing columns 64 are provided between the hollow connecting columns 63, and crush grooves 65 are evenly distributed on the edges of the energy absorbing columns 64. The energy absorbing columns 64 are honeycomb hollow columns. When a collision occurs, the energy absorbing columns 64 are subjected to external force so that the internal honeycomb structure absorbs the collision energy, causing the crush grooves 65 to deform and offset part of the impact.
[0030] Further, if Figure 5 As shown, an elastic member 66 made of elastic material is provided in the internal honeycomb hole of the energy absorbing column 64, and a riveted surface 67 is provided between the energy absorbing column 64 and the hollow connecting column 63. The riveted surface 67 and the energy absorbing column 64 are connected with hollow rivets. When the collision force continues to increase, the elastic member 66 absorbs energy and deforms, and the hollow rivet is damaged and falls off due to the impact and shear force, so that the compressed and deformed energy absorbing column 64 is compressed into the hollow connecting column 63, thereby causing the hollow connecting column 63 to deform and absorb energy.
[0031] Working process: first, 3D laser engrave the decorative strip 3 on the door trim 1, and install leather and other beautifying parts on other positions of the door trim 1; further, place the elastic member 66 in the honeycomb hole of the energy absorbing column 64, and use hollow rivets to connect the riveted surface 67 and the energy absorbing column 64 together, and the energy absorbing structure 6 is assembled; further, fix one end of the energy absorbing structure 6 on the beautifying panel 62, and the other end on the inner panel of the door, and the installation is completed.
[0032] In the description of the present invention, it should be understood that the terms "front and back", "left and right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the equipment or components referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the utility model.
[0033] Of course, in the present technical solution, those skilled in the art should understand that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.
[0034] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art under the technical guidance of the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A 3D laser engraved door interior panel decorative strip, characterized by: The invention comprises a door trim panel (1), wherein a door handle (2) is provided at the upper left corner of the front surface of the door trim panel (1), a decorative strip (3) is provided below the door handle (2), a door box (4) is provided below the decorative strip (3), a storage compartment (5) is provided below the door box (4), an energy absorbing structure (6) is provided on the right side of the storage compartment (5), and a fixing frame (7) is provided at the bottom of the storage compartment (5), an inclined surface (71) is provided at the upper end of the inner surface of the fixing frame (7), and an expansion ring (72) is provided at the upper end of the fixing frame (7), and the expansion ring (72) is a wavy plastic ring.
2. The 3D laser engraved door interior trim strip according to claim 1, characterized in that: The fixing frame (7) is formed by alternating large rings (73) and small rings (74), and both the large rings (73) and the small rings (74) are made of elastic rubber. The inner diameters of the large rings (73) and the small rings (74) are smaller than the inner diameter of the expansion ring (72).
3. The 3D laser engraved door interior trim strip according to claim 1, characterized in that: The outer surface of the decorative strip (3) is covered with a 3D laser sticker, the upper surface of the door box (4) is covered with leather, and an armrest (8) is provided on the left side of the door box (4).
4. The 3D laser engraved door interior trim strip according to claim 1, characterized in that: The energy absorbing structure (6) comprises a pair of rectangular seats (61), wherein the left end of the rectangular seat (61) is fixedly connected to the beautification plate (62), and a hollow connecting column (63) is provided at one end of the rectangular seats (61) close to each other.
5. The 3D laser engraved door interior trim strip according to claim 4, characterized in that: An energy absorbing column (64) is provided between the hollow connecting columns (63), collapse grooves (65) are evenly distributed at the edges of the energy absorbing column (64), and the energy absorbing column (64) is a honeycomb hollow column.
6. The 3D laser engraved door interior trim strip according to claim 5, characterized in that: An elastic member (66) is provided in the internal honeycomb hole of the energy absorbing column (64), a riveted surface (67) is provided between the energy absorbing column (64) and the hollow connecting column (63), and the riveted surface (67) and the energy absorbing column (64) are connected by hollow rivets.
Citation Information
Patent Citations
Anti-collision device for vehicle door trim panel
CN217835530U