Lower decoration plate of automobile stand column

Abstract

The utility model discloses an automobile stand column lower decoration plate which comprises a decoration plate body, and the lower end of the decoration plate body is provided with a first butt joint structure arranged along the edge of the lower end of the decoration plate body. A second butt joint structure is arranged at the corner, away from the second plaque body, of the upper end of the back of the first plaque body; a third butt joint structure is arranged on the back surface of the first decorative plate body below the second butt joint structure; a fourth butt-joint structure is arranged in the middle of the lower end of the back of the first plaque body; a fifth butt joint structure is arranged at the corner, away from the first decoration plate body, of the upper end of the back face of the second decoration plate body. A sixth butt joint structure is arranged in the middle of the back face of the second decoration plate body. And an integral double-component sound-absorbing cotton cushion is attached to the back of the decorative plate body. Through the distribution of different positions of the first to sixth butt joint structures and the combined action of the six butt joint structures, multi-position stable butt joint of the plaque body can be formed, the possibility of unstable butt joint in the use process of the plaque body is reduced, and the structural strength and stability of the plaque body after the plaque body is assembled on the stand column are enhanced.

Description

Technical Field

[0001] This utility model relates to the field of automotive interior structure technology, specifically to a lower trim panel for automotive pillars. Background Technology

[0002] Currently, most A-pillar lower trim panel assemblies are fixed with a single clip or bolt. Clips alone are prone to loosening due to vibration, leading to abnormal noise or displacement of the trim panel. While bolts provide a stable connection, they are more complex to install and remove than clips. Furthermore, bolts require drilling, and their exposed positions can affect the aesthetics of the lower trim panel. Therefore, further research and development are needed on the connection method and structure of the lower trim panel to achieve a product design with stable connection and optimized noise reduction. Utility Model Content

[0003] To address the aforementioned technical problems, the purpose of this utility model is to provide a car pillar trim panel with stable connection strength and noise reduction capability.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] The lower trim panel of the car pillar includes a trim panel body. The trim panel body is formed by the intersection of a first trim panel body and a second trim panel body that are not arranged on the same surface, forming an L-shaped cross section. The first trim panel body and the second trim panel body are integrally formed. The area of ​​the first trim panel body is larger than the area of ​​the second trim panel body.

[0006] The upper part of the decorative panel body is arranged vertically, and the lower part of the decorative panel body is arranged in a horizontally curved direction.

[0007] The lower end of the decorative panel body has a first mating structure arranged along the edge of the lower end of the decorative panel body;

[0008] The first decorative panel has a second mating structure at the corner of its back surface away from the second decorative panel.

[0009] A third docking structure is provided on the back of the first decorative panel below the second docking structure;

[0010] A fourth mating structure is provided at the lower center of the back of the first decorative panel;

[0011] A fifth mating structure is provided at the corner of the upper back of the second decorative panel away from the first decorative panel;

[0012] A sixth docking structure is provided in the middle of the back of the second decorative panel;

[0013] The back of the decorative panel body is equipped with an integral two-component sound-absorbing cotton pad that covers the back of the first and second decorative panels.

[0014] In a further embodiment, an upper reinforcing rib extending from the outer periphery of the first trim panel towards the outer periphery of the second trim panel is arranged at the upper end of the back of the trim panel body, and a middle reinforcing rib extending from the outer periphery of the first trim panel towards the outer periphery of the second trim panel is arranged in the middle of the back of the trim panel body; a mesh-structured reinforcing rib group is integrally provided in the middle of the back of the first trim panel body.

[0015] In a further embodiment, the first mating structure includes a first mating portion extending outward from the lower end of the trim panel body and being lower than the outer surface of the trim panel body;

[0016] The first docking part has two intermediate docking ports arranged side by side in the middle. The intermediate docking ports penetrate the inner and outer surfaces of the first docking part. One end of the first docking part has a recessed docking groove. The side wall of the docking groove away from the first decorative panel is open. A connecting through hole is provided at the bottom of the docking groove.

[0017] In a further embodiment, the other end of the first mating part has a side mating groove, which is an opening at the lower end.

[0018] In a further embodiment, the second docking structure includes a second docking portion integrally formed on the upper back of the first trim panel away from the corner of the second trim panel. The second docking portion is a locking groove with an opening on one side. The opening side of the locking groove is arranged facing the middle of the back of the first trim panel. The bottom wall of the locking groove is inclined to the first trim panel. A rectangular through groove is provided on the bottom wall of the locking groove.

[0019] In a further embodiment, the third docking structure includes a connecting groove integrally formed on the back of the first decorative panel and open at the top. The side wall of the connecting groove facing the outside of the first decorative panel has an open slot extending from the top to the bottom of the connecting groove. The opening of the open slot is tapered and the bottom wall of the open slot is arc-shaped. Multiple transverse reinforcing ribs extend along the back of the first decorative panel body on the side of the connecting groove near the middle of the back of the first decorative panel.

[0020] In a further embodiment, the fourth docking structure is a locking block integrally formed in the middle of the lower end of the back of the first trim panel. The locking block has a slot that opens towards one side of the first trim panel, and a buckle is engaged in the slot. The engaging end of the buckle is arranged towards the inside of the first trim panel.

[0021] In a further embodiment, an extension block extends outward from the corner of the upper end of the second trim panel away from the first trim panel, and is lower than the outer surface of the second trim panel. The fifth mating structure is integrally formed on the back of the extension block. The fifth mating structure includes positioning blocks and snap-fit ​​blocks arranged at intervals on the back of the extension block. The front end of the snap-fit ​​block has a hook structure.

[0022] In a further embodiment, the sixth docking structure includes a fixing seat integrally formed at the middle position of the back edge of the second decorative panel, a tapered guide post integrally formed on the fixing seat, and a clamping block located below the tapered guide post, with a metal clip held on the clamping block.

[0023] In a further embodiment, a fitting top block is fixedly provided on the back edge of the second trim panel above and below the sixth mating structure, respectively. The fitting top block protrudes from the outside of the second trim panel, the cross section of the fitting top block is U-shaped, the front end of the fitting top block is a top holding surface, and the rear end of the fitting top block has an extension reinforcing strip extending along the back of the second trim panel.

[0024] By adopting the above technical solution, the beneficial effects of this utility model compared with the prior art are as follows:

[0025] 1. By distributing the first to sixth docking structures at different positions and working together with the six docking structures, and by using a combination of snap-fit ​​and screw connections, the trim panel body can be stably docked to the bottom of the car's A-pillar in multiple positions. This reduces the possibility of unstable docking during the use of the trim panel body and enhances its structural strength and stability after assembly onto the pillar.

[0026] 2. By attaching an integral two-component sound-absorbing cotton pad to the back of the first trim panel and the back of the second trim panel, the noise reduction capability of the lower trim panel is enhanced. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the outer structure of this utility model;

[0028] Figure 2 This is a schematic diagram of the inner structure of this utility model;

[0029] Figure 3 for Figure 2 A schematic diagram of the structure after removing the two-component sound-absorbing cotton pad;

[0030] Figure 4 for Figure 2 Enlarged diagram of part A in the diagram;

[0031] Figure 5 for Figure 2 Enlarged schematic diagram of part B in the diagram;

[0032] Figure 6 for Figure 2 Enlarged schematic diagram of part C in the diagram;

[0033] Figure 7 for Figure 2 Enlarged schematic diagram of part D in the diagram;

[0034] Figure 8 for Figure 2Enlarged schematic diagram of part E in the diagram;

[0035] Figure 9 for Figure 2 Enlarged schematic diagram of part F in the diagram;

[0036] The labels in the attached diagram represent the following:

[0037] 1. First decorative panel; 2. Second decorative panel; 3. Curved surface; 4. First mating structure; 5. Second mating structure; 6. Third mating structure; 7. Fourth mating structure; 8. Fifth mating structure; 9. Sixth mating structure; 10. Two-component sound-absorbing cotton pad; 11. Upper reinforcing rib; 12. Middle reinforcing rib; 13. Reinforcing rib group; 14. First mating part; 15. Middle mating socket; 16. Mating groove; 17. Connecting through hole. 18. Side mating groove; 19. Engaging groove; 20. Rectangular through groove; 21. Connecting groove; 22. Open groove; 23. Curved surface; 24. Horizontal reinforcing rib; 25. Locking block; 26. Locking groove; 27. Buckle; 28. Extension block; 29. ​​Positioning block; 30. Locking block; 31. Fixing seat; 32. Guide post; 33. Clamping block; 34. Metal clip; 35. Fitting top block; 36. Top holding surface; 37. Extension reinforcing strip. Detailed Implementation

[0038] 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.

[0039] Please see Figure 1 , 2 As shown, the lower trim panel of a car pillar is mainly used below the A-pillar of a car. It includes the panel body, which is formed by the intersection of a first trim panel 1 and a second trim panel 2, which are not arranged on the same side, creating an L-shaped cross-section. The first trim panel 1 is generally vertically arranged in the left-right direction, and the second trim panel 2 is generally vertically arranged in the front-rear direction. The back of the first trim panel 1 and the back of the second trim panel 2 form the coverage area of ​​the lower A-pillar panel. The first trim panel 1 and the second trim panel 2 are integrally formed; the area of ​​the first trim panel 1 is larger than the area of ​​the second trim panel 2, and the lengths of the first trim panel 1 and the second trim panel 2 are basically the same, but the width of the first trim panel 1 is greater than the width of the second trim panel 2; the intersection area between the first trim panel 1 and the second trim panel 2 uses an arc-shaped curved surface 3 for corner transition.

[0040] The upper end of the trim panel body is vertically arranged, and the lower end of the trim panel body is curved towards the horizontal direction. That is, the upper end of the trim panel body is generally vertically arranged, and the lower end curves from the middle and gradually tends to be horizontal. The lower end of the trim panel body has a first docking structure 4 arranged along the edge of the lower end of the trim panel body. The upper back of the first trim panel body 1 has a second docking structure 5 at the corner away from the second trim panel body 2. The back of the first trim panel body 1 below the second docking structure 5 is provided with a third docking structure 6. The lower middle of the back of the first trim panel body 1 is provided with a fourth docking structure 7. The upper back of the second trim panel body 2 has a fifth docking structure 8 at the corner away from the first trim panel body 1. The middle of the back of the second trim panel body 2 is provided with a sixth docking structure 9. Through the distribution of the first to sixth docking structures at different positions, and the combined effect of the six docking structures, the trim panel body can be stably docked to the lower part of the car A pillar at multiple positions, reducing the possibility of unstable docking during the use of the trim panel body and enhancing its stability after assembly with the pillar.

[0041] A two-component sound-absorbing cotton pad 10 is attached to the back of the decorative panel body, covering the back of the first decorative panel body 1 and the second decorative panel body 2. Except for a few joint structures, the two-component sound-absorbing cotton pad 10 basically covers the entire back of the decorative panel body. The two-component sound-absorbing cotton pad 10 is made of PP / PET two-component, and the decorative panel body is made of PP / PE material. The two-component sound-absorbing cotton pad 10 is embedded in the inner side of the decorative panel body to enhance the noise reduction capability. Its thickness is 5-8mm, and the surface can be molded into a honeycomb structure. It is bonded to the rigid decorative panel body with hot melt adhesive to ensure a good fit.

[0042] See Figure 3 As shown, an upper reinforcing rib 11 extending from the outer periphery of the first trim panel 1 towards the outer periphery of the second trim panel 2 is arranged at the upper end of the back of the trim panel body. The upper reinforcing rib 11 enhances the overall strength of the upper ends of the first trim panel 1 and the second trim panel 2. A middle reinforcing rib 12 extending from the outer periphery of the first trim panel 1 towards the outer periphery of the second trim panel 2 is arranged in the middle of the back of the trim panel body. The middle reinforcing rib 12 enhances the overall strength of the middle part of the first trim panel 1 and the second trim panel 2. A mesh-structured reinforcing rib group 13 is integrally formed in the middle of the back of the first trim panel 1 to enhance the structural strength of the middle part of the back of the first trim panel. The upper reinforcing rib 11, the middle reinforcing rib 12, and the reinforcing rib group 13 are all integrally formed on the back of the trim panel body, and their height is 1-3mm.

[0043] In this application, see Figure 4As shown, the first docking structure 4 is mainly used for docking with the front sill trim panel. The first docking structure 4 includes a first docking portion 14 extending outwards from the lower end of the trim panel body and lower than the outer surface of the trim panel body. After the front sill trim panel is snapped onto the trim panel body, the front sill trim panel and the trim panel body remain flush. The middle of the first docking portion 14 has two side-by-side intermediate docking slots 15, which penetrate the inner and outer surfaces of the first docking portion 14 for docking with the front sill trim panel. One end of the first docking portion 14 has a recessed docking groove 16. The side wall of the docking groove 16 away from the first trim panel body 1 is open, and a connecting through hole 17 is provided at the bottom of the groove. This docking groove 16 is mainly used for docking with the lower plate of the A-pillar. The lower plate of the A-pillar has a connecting end that inserts into the docking groove 16. After insertion, a screw is inserted into the connecting through hole 17 to fix the docking groove 16 to the lower plate of the A-pillar.

[0044] The first mating part 14 has a side mating groove 18 at its other end, which is open at the bottom. The front sill trim panel has two snap-fit ​​blocks and one snap-fit ​​insert. The two snap-fit ​​blocks are respectively snapped into the two middle mating inserts 15, and the snap-fit ​​insert is inserted into the side mating groove 18 from the open side, thereby forming a mating assembly between the front sill trim panel and the trim panel body.

[0045] In this application, see Figure 5 As shown, the second docking structure 5 includes a second docking portion integrally formed on the upper back of the first trim panel 1 at a corner away from the second trim panel 2. The second docking portion is a locking groove 19 with an opening on one side. The locking groove 19 is formed by three wall panels enclosing the opening on one side. The opening side of the locking groove 19 faces the middle of the back of the first trim panel 1. The bottom wall of the locking groove 19 is inclined to the first trim panel 1. A rectangular through groove 20 is formed on the bottom wall of the locking groove 19. The second docking structure 5 is used to connect with the front wall panel of the car. By setting the bottom wall of the locking groove 19 at an inclination, the docking portion of the front wall panel can be smoothly introduced into the rectangular channel through the rectangular through groove 20. After insertion, the two are locked together, so that the corner of the first trim panel 1 can be stably docked and assembled through the second docking structure 5.

[0046] In this application, see Figure 6As shown, the third docking structure 6 is mainly used for connection with the front wall panel reinforcing beam. The third docking structure 6 includes a connecting groove 21 integrally formed on the back of the first decorative panel 1, which is open at the top. The side wall of the connecting groove 21 facing the outside of the first decorative panel 1 has an open slot 22 extending from the top to the bottom of the connecting groove 21. The opening of the open slot 22 is designed with a tapered opening so that the corresponding part on the front wall panel reinforcing beam can be inserted into the connecting groove 21 through the open slot 22. The bottom wall of the open slot 22 is an arc-shaped surface 23. Enhance the smoothness of the corresponding part of the front wall panel reinforcing beam entering and exiting the bottom of the open slot 22; extend multiple transverse reinforcing ribs 24 along the back of the first decorative panel body on the side of the connecting groove 21 near the middle of the back of the first decorative panel body 1 to enhance the connection strength between the inner side of the connecting groove 21 and the back of the first decorative panel body 1, that is, set corresponding transverse reinforcing ribs 24 below the connecting groove 21 to enhance the connection strength between the bottom side of the connecting groove 21 and the back of the first decorative panel body 1, thereby enhancing the stability and corresponding strength of the third docking structure 6.

[0047] In this application, see Figure 7 As shown, the fourth docking structure 7 is mainly used for docking with the lower plate of column A. The fourth docking structure 7 is a locking block 25 integrally formed in the middle of the lower back of the first decorative panel 1. The interior of the locking block 25 can adopt a hollow structure design. The front end of the locking block 25 has a slot 26 that opens towards one side of the first decorative panel 1. One side of the slot 26 is open. A buckle 27 is engaged in the slot 26. The buckle 27 has a engaging part that inserts into the slot 26 from the open end. After the engaging part is inserted into the slot 26, the buckle 27 can only move towards the open end of the slot 26. Movement in other directions is restricted. The engaging end of the buckle 27 is arranged towards the inside of the first decorative panel 1 to facilitate alignment and engagement with the lower plate of column A. The buckle 27 is assembled onto the locking block 25 by means of the slot 26, providing a certain degree of convenience for assembly and disassembly.

[0048] In this application, see Figure 8 As shown, an extension block 28 extends outward from the corner of the upper end of the second decorative panel 2 away from the first decorative panel 1, extending below the outer surface of the second decorative panel 2. A fifth mating structure 8 is integrally formed on the back of the extension block 28. The fifth mating structure 8 includes positioning blocks 29 and snap-fit ​​blocks 30 spaced apart on the back of the extension block 28. The front end of the snap-fit ​​block 30 has a hook structure. The fifth mating structure 8 is mainly used for snap-fitting with the lower plate of column A. During mating, the positioning block 29 is inserted into the slot of the lower plate of column A, and then the snap-fit ​​is formed by the hook structure on the snap-fit ​​block 30. The positioning block 29 enhances the accuracy of the snap-fit, and the spaced arrangement between the positioning block 29 and the snap-fit ​​block provides a certain amount of elastic space, allowing the snap-fit ​​block to have a certain range of motion during assembly and disassembly.

[0049] In this application, see Figure 9 As shown, the sixth docking structure 9 includes a fixing seat 31 integrally formed at the middle position of the back edge of the second decorative panel 2. The fixing seat 31 is arranged vertically. A tapered guide post 32 is integrally formed on the upper half of the fixing seat 31, and a clamping block 33 is integrally formed on the lower half of the fixing seat 31, below the tapered guide post 32. A metal clip 34 is clamped on the clamping block 33. The sixth docking structure 9 is mainly used for docking with the lower plate of the A column. The guide post 32 is used for insertion guidance at the docking position of the lower plate of the A column. The metal clip 34 is clamped on the clamping block 33 and then inserted into the docking position of the lower plate of the A column to form a docking.

[0050] In this application, the back edges of the second decorative panel 2, located above and below the sixth mating structure 9, are respectively fixedly provided with fitting top blocks 35. The fitting top blocks 35 protrude from the outer side of the second decorative panel 2, and the cross-section of the fitting top blocks 35 is U-shaped. The front end of the fitting top blocks 35 is a top holding surface 36, and the rear end of the fitting top blocks 35 has an extension reinforcing strip 37 extending along the back of the second decorative panel 2 to enhance the strength of the fitting top blocks 35. After the decorative panel body is assembled onto the lower plate of the A column, the top holding surface 36 forms a fit with the inner wall of the lower plate of the A column. Due to the U-shaped structural design of the fitting top blocks 35, a certain amount of elastic support can be provided between the decorative panel body and the lower plate of the A column.

[0051] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A lower trim panel for a car pillar, comprising a panel body, characterized in that, The decorative panel body is formed by the intersection of a first decorative panel and a second decorative panel that are not arranged on the same surface, with an L-shaped cross section. The first decorative panel and the second decorative panel are integrally formed; the area of ​​the first decorative panel is larger than the area of ​​the second decorative panel. The upper part of the decorative panel body is arranged vertically, and the lower part of the decorative panel body is arranged in a horizontally curved direction. The lower end of the decorative panel body has a first mating structure arranged along the edge of the lower end of the decorative panel body; The first decorative panel has a second mating structure at the corner of its back surface away from the second decorative panel. A third docking structure is provided on the back of the first decorative panel below the second docking structure; A fourth mating structure is provided at the lower center of the back of the first decorative panel; A fifth mating structure is provided at the corner of the upper back of the second decorative panel away from the first decorative panel; A sixth docking structure is provided in the middle of the back of the second decorative panel; The back of the decorative panel body is equipped with an integral two-component sound-absorbing cotton pad that covers the back of the first and second decorative panels.

2. The lower trim panel of the automotive pillar as described in claim 1, characterized in that, The upper back of the trim panel body has an upper reinforcing rib extending from the outer periphery of the first trim panel body toward the outer periphery of the second trim panel body, and a middle reinforcing rib extending from the outer periphery of the first trim panel body toward the outer periphery of the second trim panel body is arranged in the middle back of the trim panel body; a mesh-structured reinforcing rib group is integrally provided in the middle back of the first trim panel body.

3. The lower trim panel of the automotive pillar as described in claim 1, characterized in that, The first mating structure includes a first mating portion extending outward from the lower end of the trim panel body and being lower than the outer surface of the trim panel body; The first docking part has two middle docking ports arranged side by side in the middle. The middle docking ports penetrate the inner and outer surfaces of the first docking part. One end of the first docking part has a recessed docking groove. The side wall of the docking groove away from the first decorative panel is open. A connecting through hole is provided at the bottom of the docking groove. The other end of the first docking part has a side docking groove, which is an opening at the bottom.

4. The lower trim panel of the automobile pillar as described in claim 1, characterized in that, The second docking structure includes a second docking part integrally formed on the upper back of the first trim panel away from the corner of the second trim panel. The second docking part is a locking groove with an opening on one side. The opening side of the locking groove is arranged facing the middle of the back of the first trim panel. The bottom wall of the locking groove is inclined to the first trim panel. A rectangular through groove is provided on the bottom wall of the locking groove.

5. The lower trim panel of the automotive pillar as described in claim 1, characterized in that, The third docking structure includes a connecting groove integrally formed on the back of the first decorative panel and open at the top. The side wall of the connecting groove facing the outside of the first decorative panel has an open slot extending from the top to the bottom of the connecting groove. The opening of the open slot is tapered and the bottom wall of the open slot is arc-shaped. Multiple transverse reinforcing ribs extend from the side of the connecting groove near the middle of the back of the first decorative panel along the back of the first decorative panel.

6. The lower trim panel of the automotive pillar as described in claim 1, characterized in that, The fourth docking structure is a locking block integrally formed in the middle of the lower back of the first trim panel. The locking block has a slot that opens towards one side of the first trim panel, and a buckle is engaged in the slot. The engaging end of the buckle is arranged towards the inside of the first trim panel.

7. The lower trim panel of the automotive pillar as described in claim 1, characterized in that, The second trim panel extends outward from the corner away from the first trim panel, forming an extension block that is lower than the outer surface of the second trim panel. The fifth mating structure is integrally formed on the back of the extension block. The fifth mating structure includes positioning blocks and snap-fit ​​blocks arranged at intervals on the back of the extension block. The front end of the snap-fit ​​block has a hook structure.

8. The lower trim panel of the automobile pillar as described in claim 1, characterized in that, The sixth docking structure includes a fixing seat integrally formed at the middle position of the back edge of the second decorative panel, a tapered guide post integrally formed on the fixing seat, and a clamping block located below the tapered guide post, with a metal clip held on the clamping block.

9. The lower trim panel of the automotive pillar as described in claim 1, characterized in that, A fitting top block is fixedly installed on the back edge of the second trim panel above and below the sixth mating structure. The fitting top block protrudes from the outside of the second trim panel. The cross-section of the fitting top block is U-shaped. The front end of the fitting top block is a top holding surface. The rear end of the fitting top block has an extension reinforcing strip extending along the back of the second trim panel.

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