Decorative plate connecting structure, stand column assembly and vehicle

Abstract

The utility model relates to a trim panel connecting structure, stand column assembly and vehicle, said trim panel connecting structure includes: first trim panel and second trim panel, first trim panel has first spacing part and second spacing part, first spacing part and second spacing part are arranged along first direction at interval and define the plug-in gap, second spacing part is equipped with first spacing part and second spacing part, second spacing part is equipped with second spacing part and second spacing part is equipped with second spacing part. The first decoration plate and the second decoration plate are arranged in the vertical direction, the second decoration plate is provided with an inserting part and a stopping part, the inserting part is inserted into the inserting gap in the second direction, at least one of the first limiting part and the second limiting part abuts against the inserting part in the first direction, and at least one of the first limiting part and the second limiting part abuts against the stopping part in the second direction. The stopping part is arranged on the inserting part and located in the inserting gap, the stopping part abuts against at least one of the first limiting part and the second limiting part in the second direction, and included angles are formed between the first direction and the vertical direction and between the second direction and the vertical direction. The decorative plate connecting structure is firm in connection and not prone to loosening.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, and in particular to a decorative panel connection structure, a column assembly and a vehicle. Background Art

[0002] The pillars of a vehicle are important load-bearing components of the vehicle body. Existing pillars are usually sheet metal structures, so it is necessary to install plastic decorative parts on the pillars for decoration, namely, pillar trim panels. The pillar trim panels usually include a first trim panel and a second trim panel, which are fixed by a connecting structure. In a related technology, a single connection position of the trim panel connecting structure can only limit the first trim panel and the second trim panel in a single direction, so that the first trim panel and the second trim panel are easily loosened due to the shaking of the vehicle, and the reliability is low. Utility Model Content

[0003] The utility model aims to solve one of the technical problems in the related art at least to a certain extent.

[0004] To this end, an embodiment of the utility model provides a decorative panel connection structure that is firmly connected and not easy to loosen.

[0005] The embodiment of the utility model further provides a column assembly.

[0006] An embodiment of the utility model further provides a vehicle.

[0007] The decorative panel connection structure of the embodiment of the utility model includes: a first decorative panel, the first decorative panel has a first limiting portion and a second limiting portion, the first limiting portion and the second limiting portion are arranged at intervals along a first direction and define a plug-in gap; a second decorative panel, the first decorative panel and the second decorative panel are arranged along the up-down direction, the second decorative panel has a plug-in portion and a stop portion, the plug-in portion is inserted into the plug-in gap along the second direction, at least one of the first limiting portion and the second limiting portion abuts against the plug-in portion along the first direction, the stop portion is provided on the plug-in portion and is located in the plug-in gap, the stop portion abuts against at least one of the first limiting portion and the second limiting portion along the second direction, and the first direction, the second direction and the up-down direction all have an included angle

[0008] According to the decorative panel connection structure of the embodiment of the utility model, since the plug-in portion is inserted into the plug-in gap along the second direction, and at least one of the first limiting portion and the second limiting portion abuts against the plug-in portion along the first direction, the first decorative panel and the second decorative panel can be limited along the first direction, and since the stopper portion is provided on the plug-in portion and located in the plug-in gap, the stopper portion abuts against at least one of the first limiting portion and the second limiting portion along the second direction, thereby preventing the first decorative panel and the second decorative panel from being separated along the second direction under the action of the stopper portion. Therefore, the decorative panel connection structure of the embodiment of the utility model can limit the first decorative panel and the second decorative panel in the first direction and the second direction at the same time, and the connection is highly secure and not easy to loosen.

[0009] In some embodiments, the stop portion protrudes from the plug-in portion along the first direction, and the abutment position of the stop portion and one of the first limiting portion and the second limiting portion has a first abutment surface, and the abutment length of the first abutment surface along the first direction is greater than or equal to 2 mm.

[0010] In some embodiments, the first trim panel includes a first trim panel body, the first limiting portion and the second limiting portion are both connected to the first trim panel body and are arranged at intervals on the first trim panel body, and the first limiting portion and the second limiting portion are both in contact with the plug-in portion.

[0011] In some embodiments, the abutting position between the second limiting portion and the plug-in portion has a second abutting surface, and the abutting length of the second abutting surface along the second direction is greater than or equal to 3 mm.

[0012] In some embodiments, the stop portion abuts against the first limiting portion, a weakening groove is provided on the first limiting portion, and the weakening groove is arranged adjacent to the stop portion.

[0013] In some embodiments, an extension length of the weakened groove along the second direction is greater than or equal to 6 mm.

[0014] In some embodiments, the first trim panel also includes a third limiting portion, the third limiting portion is connected to at least one of the first limiting portion and the second limiting portion, and the third limiting portion is arranged at the lower side of the plug-in gap; and / or, the second trim panel includes a second trim panel body and a first connecting portion, the plug-in portion and the first connecting portion are both connected to the second trim panel body, and the first connecting portion is arranged at the upper end of the plug-in portion and abuts against the first trim panel body.

[0015] In some embodiments, one of the first trim panel and the second trim panel is provided with an inserting column, and the other is provided with an inserting hole, and the inserting column is fitted into the inserting hole along a preset direction.

[0016] A pillar assembly of another embodiment of the present invention includes a pillar and a trim panel connecting structure, wherein the trim panel connecting structure is a trim panel mounting structure described in any one of the embodiments of the present invention, and the first trim panel and the second trim panel are both mounted on a side of the pillar adjacent to the vehicle cabin.

[0017] According to the pillar assembly of the embodiment of the utility model, since the plug-in portion is inserted into the plug-in gap along the second direction, and at least one of the first limiting portion and the second limiting portion abuts against the plug-in portion along the first direction, the first decorative plate and the second decorative plate can be limited in the first direction, and since the stopper is provided on the plug-in portion and located in the plug-in gap, the stopper abuts against at least one of the first limiting portion and the second limiting portion along the second direction, the first decorative plate and the second decorative plate can be prevented from being separated in the second direction under the action of the stopper. Therefore, the pillar assembly of the embodiment of the utility model can limit the first decorative plate and the second decorative plate in the first direction and the second direction at the same time, and the connection is highly secure and not easy to loosen.

[0018] A vehicle according to another embodiment of the present invention comprises the pillar assembly according to the embodiment of the present invention.

[0019] According to the vehicle of the embodiment of the utility model, since the plug-in portion is inserted into the plug-in gap along the second direction, and at least one of the first limiting portion and the second limiting portion abuts against the plug-in portion along the first direction, the first trim panel and the second trim panel can be limited along the first direction, and since the stopper portion is provided on the plug-in portion and located in the plug-in gap, the stopper portion abuts against at least one of the first limiting portion and the second limiting portion along the second direction, the first trim panel and the second trim panel can be prevented from being separated along the second direction under the action of the stopper portion. Therefore, the vehicle of the embodiment of the utility model can limit the first trim panel and the second trim panel in the first direction and the second direction at the same time, and the connection is highly secure and not easy to loosen. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the decorative panel connection structure of an embodiment of the utility model.

[0021] Figure 2 It is a schematic diagram of the first decorative panel of the decorative panel connection structure of an embodiment of the present utility model.

[0022] Figure 3 It is a schematic diagram of the second decorative panel of the decorative panel connection structure of an embodiment of the present utility model.

[0023] Figure 4 It is a partial cross-sectional view of the decorative panel connection structure of an embodiment of the utility model.

[0024] Figure 5 It is a cross-sectional view of the decorative plate connection structure of an embodiment of the utility model.

[0025] Figure 6 It is a cross-sectional view of a decorative panel connection structure according to another embodiment of the present invention.

[0026] Reference numerals:

[0027] 1. first decorative plate; 11. first limiting portion; 111. weakened groove; 12. second limiting portion; 121. second abutting surface; 13. plug-in gap; 14. first decorative plate body; 15. plug-in hole; 16. third limiting portion;

[0028] 2. Second decorative panel; 21. Plug-in portion; 22. Stop portion; 221. First abutting surface; 23. Plug-in column; 24. Second decorative panel body; 25. First connecting portion. DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but cannot be understood as limiting the present invention.

[0030] Please refer to the following Figures 1 to 6 A trim panel connection structure, a pillar assembly and a vehicle according to embodiments of the present invention are described.

[0031] like Figures 1 to 6 As shown, the decorative panel connection structure according to the embodiment of the utility model includes: a first decorative panel 1 and a second decorative panel 2. The first decorative panel 1 has a first limiting portion 11 and a second limiting portion 12, which are arranged at intervals along the first direction and define a plug-in gap 13. The first decorative panel 1 and the second decorative panel 2 are arranged along the up-down direction, and the second decorative panel 2 has a plug-in portion 21 and a stopper portion 22, and the plug-in portion 21 is inserted into the plug-in gap 13 along the second direction. At least one of the first limiting portion 11 and the second limiting portion 12 abuts against the plug-in portion 21 along the first direction, and the stopper portion 22 is provided on the plug-in portion 21 and is located in the plug-in gap 13. The stopper portion 22 abuts against at least one of the first limiting portion 11 and the second limiting portion 12 along the second direction, and an angle is formed between the first direction, the second direction and the up-down direction.

[0032] According to the decorative panel connection structure of the embodiment of the utility model, since the plug-in portion 21 is inserted into the plug-in gap 13 along the second direction, and at least one of the first limiting portion 11 and the second limiting portion 12 abuts against the plug-in portion 21 along the first direction, the first decorative panel 1 and the second decorative panel 2 can be limited along the first direction, and since the stopper 22 is provided on the plug-in portion 21 and located in the plug-in gap 13, the stopper 22 abuts against at least one of the first limiting portion 11 and the second limiting portion 12 along the second direction, the first decorative panel 1 and the second decorative panel 2 can be prevented from being separated along the second direction under the action of the stopper 22. Therefore, the decorative panel connection structure of the embodiment of the utility model can limit the first decorative panel 1 and the second decorative panel 2 in the first direction and the second direction at the same time, the connection is highly secure, not easy to loosen, and easy to disassemble and assemble.

[0033] For example, Figure 1 and Figure 4 As shown, the first decorative panel 1 is installed above the second decorative panel 2. For another example, the second decorative panel 2 is installed above the first decorative panel 1. In the embodiment of the present application, the first decorative panel 1 is installed above the second decorative panel 2. That is, the first decorative panel 1 is the upper decorative panel of the column, and the second decorative panel 2 is the lower decorative panel of the column.

[0034] It can be understood that the first direction can be the front-to-back direction of the vehicle. The second direction is the left-to-right direction of the vehicle. That is, the first limiting portion 11 and the second limiting portion 12 are arranged along the front-to-back direction of the vehicle to form the insertion gap 13, and the insertion portion 21 extends along the left-to-right direction of the vehicle and is inserted into the insertion gap 13 along the left-to-right direction.

[0035] After the plug-in portion 21 is engaged with the plug-in gap 13, the first limiting portion 11 and / or the second limiting portion 12 has an elastic force to abut against the plug-in portion 21, thereby preventing the second trim panel 2 from moving relative to the first trim panel 1 along the front-rear direction of the vehicle. Due to the stopping effect of the stopper 22, the second trim panel 2 can be restricted from being separated from the first trim panel 1 along the left-right direction of the vehicle, thereby improving the reliability of the trim panel connection structure assembly, and the structural design is simple, easy to disassemble and assemble, which is conducive to reducing the manufacturing and subsequent maintenance costs of the trim panel.

[0036] In some embodiments, Figure 5As shown, the stopper 22 protrudes from the plug-in portion 21 along the first direction, and the stopper 22 has a first abutting surface 221 at the abutting position with one of the first limiting portion 11 and the second limiting portion 12. For example, the stopper 22 is arranged at the front side of the plug-in portion 21, and the stopper 22 and the first limiting portion 11 abut in the left-right direction of the vehicle, so that when the second trim panel 2 is separated from the first trim panel 1 to the left, it can be stopped by the stopper 22. Of course, when the external force applied to the first trim panel 1 is large enough, the first limiting portion 11 will move and deform, so that the stopper 22 can be separated from the first limiting portion 11, and the second trim panel 2 can be removed from the first trim panel 1.

[0037] Alternatively, if Figure 6 As shown, the abutment length b of the first abutting surface 221 along the first direction is greater than or equal to 2 mm. That is, the overlap amount of the stop portion 22 and the first limiting portion 11 along the front-rear direction of the vehicle is greater than or equal to 2 mm. The inventors of the present application have found through experimental research that when the abutment length of the first abutting surface 221 along the first direction is too small (less than 2 mm), the stop portion 22 is easily separated from the first limiting portion 11 due to vehicle bumps, resulting in the problem of failure of the first trim panel 1 and the second trim panel 2 to be connected. Therefore, the trim panel connection structure of the embodiment of the utility model is conducive to ensuring the reliability of the connection between the first trim panel 1 and the second trim panel 2 by making the abutment length of the first abutting surface 221 along the first direction greater than or equal to 2 mm, thereby greatly reducing the risk of separation of the trim panel connection structure.

[0038] In some embodiments, Figures 4 to 6 As shown, the first trim panel 1 includes a first trim panel body 14, the first limiting portion 11 and the second limiting portion 12 are both connected to the first trim panel body 14 and are arranged at intervals on the first trim panel body 14, the first limiting portion 11 and the second limiting portion 12 are arranged at intervals on the first trim panel body 14 to form a plug-in gap 13, and the first limiting portion 11 and the second limiting portion 12 are both abutted against the plug-in portion 21. It can be understood that the first limiting portion 11 and the second limiting portion 12 both have elastic force to abut against the plug-in portion 21, thereby further improving the firmness of the card connection structure of the trim panel. For example, the first limiting portion 11 and the second limiting portion 12 can be spaced along the front-to-back direction of the vehicle and staggered along the left-to-right direction of the vehicle.

[0039] Alternatively, if Figure 6As shown, the abutting position of the second limiting portion 12 and the plug-in portion 21 has a second abutting surface 121, and the abutting length of the second abutting surface 121 along the second direction is greater than or equal to 3mm. That is, the overlap amount of the plug-in portion 21 and the second limiting portion 12 along the left-right direction of the vehicle is greater than or equal to 3mm. The inventor of the present application found through experimental research that when the abutting length of the second abutting surface 121 along the second direction is too small (less than 3mm), the plug-in portion 21 is easy to slip out of the plug-in gap 13, which leads to the problem of failure of the first trim panel 1 and the second trim panel 2 to be connected. Therefore, the trim panel connection structure of the embodiment of the utility model is conducive to ensuring the reliability of the connection between the first trim panel 1 and the second trim panel 2 by making the abutting length of the second abutting surface 121 along the second direction greater than or equal to 3mm, thereby greatly reducing the risk of detachment of the trim panel connection structure.

[0040] In some embodiments, Figure 6 As shown, the stopper 22 abuts against the first limiting portion 11, and a weakened groove 111 is provided on the first limiting portion 11, and the weakened groove 111 is arranged adjacent to the stopper 22. It can be understood that due to the arrangement of the weakened groove 111, the first limiting portion 11 can be easily deformed when subjected to force, reducing the assembly resistance, so as to facilitate the operator to assemble the plug-in portion 21 into the plug-in gap 13. Similarly, due to the arrangement of the weakened groove 111, it is convenient for the operator to detach the plug-in portion 21 from the plug-in gap 13, and it is not easy to damage the first limiting portion 11 and the stopper 22, thereby making it easy to disassemble and assemble the first trim panel 1 and the second trim panel 2, and not easy to damage.

[0041] Alternatively, if Figure 6 As shown, the extension length a of the weakened groove 111 along the second direction is greater than or equal to 6 mm. It can be understood that the extension length of the weakened groove 111 along the left-right direction of the vehicle is greater than or equal to 6 mm. This can further reduce the assembly resistance, reduce the difficulty of assembling the first trim panel 1 and the second trim panel 2, and reduce the problem of damage to the connection structure.

[0042] In some embodiments, Figure 2 and Figure 4 As shown, the first trim panel 1 further includes a third limiting portion 16, which is connected to at least one of the first limiting portion 11 and the second limiting portion 12, and is disposed at the lower side of the plug-in gap 13. It can be understood that the third limiting portion 16 can limit the plug-in portion 21 in the up-down direction to reduce the problem of the second trim panel 2 shaking relative to the first trim panel 1 in the up-down direction after the first trim panel 1 and the second trim panel 2 are installed.

[0043] Alternatively, if Figure 3 and Figure 4As shown, the second trim panel 2 includes a second trim panel body 24 and a first connection portion 25, the plug-in portion 21 and the first connection portion 25 are both connected to the second trim panel body 24, and the first connection portion 25 is arranged at the upper end of the plug-in portion 21 and abuts against the first trim panel body 14. It can be understood that the first connection portion 25 abuts against the first trim panel body 14 to avoid the problem of the second trim panel 2 shaking relative to the first trim panel 1 in the up and down direction, thereby further improving the reliability of the installation of the first trim panel 1 and the second trim panel 2 and reducing the risk of the first trim panel 1 and the second trim panel 2 being disengaged.

[0044] In some embodiments, Figures 1 to 3 As shown, one of the first trim panel 1 and the second trim panel 2 is provided with a plug-in column 23, and the other is provided with a plug-in hole 15, and the plug-in column 23 is matched in the plug-in hole 15 along either the first direction or the second direction. For example, the first trim panel 1 is provided with a plug-in column 23, and the second trim panel 2 is provided with a plug-in hole 15, and the plug-in column 23 can extend along the left-right direction (second direction) of the vehicle and be plugged into the plug-in hole 15, and the first trim panel 1 and the second trim panel 2 can be limited along the front-rear direction of the vehicle, thereby further improving the firmness of the assembly of the first trim panel 1 and the second trim panel 2.

[0045] Optionally, there may be a plurality of plug-in columns 23 , which are arranged at intervals on the first trim panel 1 , and there may be a plurality of plug-in holes 15 , which correspond one-to-one to the plurality of plug-in columns 23 .

[0046] The pillar assembly of another embodiment of the present invention includes a pillar and a decorative panel connecting structure. The decorative panel connecting structure is a decorative panel mounting structure of the present invention. The first decorative panel 1 and the second decorative panel 2 are both mounted on the pillar.

[0047] It can be understood that the vehicle has a cabin for passengers to sit in, and the pillar can be the A-pillar, B-pillar or C-pillar of the vehicle. The pillar is arranged on one side of the cabin along the left-right direction of the vehicle, and the first trim panel 1 and the second trim panel 2 are both installed on the side of the pillar adjacent to the cabin. In other words, the first trim panel 1 and the second trim panel 2 are both installed on the inner side of the pillar.

[0048] According to the pillar assembly of the embodiment of the utility model, since the plug-in portion 21 is inserted into the plug-in gap 13 along the second direction, and at least one of the first limiting portion 11 and the second limiting portion 12 abuts against the plug-in portion 21 along the first direction, the first decorative panel 1 and the second decorative panel 2 can be limited along the first direction, and since the stopper 22 is provided on the plug-in portion 21 and located in the plug-in gap 13, the stopper 22 abuts against at least one of the first limiting portion 11 and the second limiting portion 12 along the second direction, the first decorative panel 1 and the second decorative panel 2 can be prevented from being separated along the second direction under the action of the stopper 22. Therefore, the pillar assembly of the embodiment of the utility model can limit the first decorative panel 1 and the second decorative panel 2 in the first direction and the second direction at the same time, and the connection is highly secure and not easy to loosen.

[0049] A vehicle according to another embodiment of the present invention comprises the pillar assembly according to the present invention. The technical advantages of the vehicle according to the present invention embodiment are the same as those of the pillar assembly according to the above embodiment, and will not be described in detail here.

[0050] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0051] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0052] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0053] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0054] In the present utility model, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0055] Although the above embodiments have been shown and described, it is to be understood that the above embodiments are illustrative and cannot be construed as limitations on the present invention. Changes, modifications, substitutions and variations of the above embodiments by those of ordinary skill in the art are all within the scope of protection of the present invention.

Claims

1. A decorative panel connection structure, characterized in that: include: A first decorative plate (1), the first decorative plate (1) comprising a first limiting portion (11) and a second limiting portion (12), the first limiting portion (11) and the second limiting portion (12) being arranged at intervals along a first direction and defining an insertion gap (13); A second decorative panel (2), wherein the first decorative panel (1) and the second decorative panel (2) are arranged in the up-down direction, the second decorative panel (2) comprises an inserting portion (21) and a stopping portion (22), the inserting portion (21) is inserted into the inserting gap (13) along the second direction, at least one of the first limiting portion (11) and the second limiting portion (12) abuts against the inserting portion (21) along the first direction, the stopping portion (22) is arranged on the inserting portion (21) and is located in the inserting gap (13), the stopping portion (22) abuts against at least one of the first limiting portion (11) and the second limiting portion (12) along the second direction, and an angle is formed between the first direction, the second direction and the up-down direction.

2. The decorative plate connection structure according to claim 1, characterized in that: The stop portion (22) protrudes from the plug-in portion (21) along the first direction, and the stop portion (22) has a first abutting surface (221) at the abutting position with one of the first limiting portion (11) and the second limiting portion (12), and the abutting length of the first abutting surface (221) along the first direction is greater than or equal to 2 mm.

3. The decorative plate connection structure according to claim 1, characterized in that: The first decorative panel (1) comprises a first decorative panel body (14), the first limiting portion (11) and the second limiting portion (12) are both connected to the first decorative panel body (14) and are arranged on the first decorative panel body (14) at intervals, and the first limiting portion (11) and the second limiting portion (12) are both in contact with the plug-in portion (21).

4. The decorative plate connection structure according to claim 3, characterized in that: The abutment position between the second limiting portion (12) and the plug-in portion (21) comprises a second abutment surface (121), and the abutment length of the second abutment surface (121) along the second direction is greater than or equal to 3 mm.

5. The trim panel connection structure according to claim 3, characterized in that: The stop portion (22) abuts against the first limiting portion (11); a weakening groove (111) is provided on the first limiting portion (11); and the weakening groove (111) is arranged adjacent to the stop portion (22).

6. The decorative plate connection structure according to claim 5, characterized in that: The extension length of the weakened groove (111) along the second direction is greater than or equal to 6 mm.

7. The trim panel connection structure according to claim 3, characterized in that: The first decorative plate (1) further comprises a third limiting portion (16), the third limiting portion (16) being connected to at least one of the first limiting portion (11) and the second limiting portion (12), and the third limiting portion (16) being arranged at the lower side of the insertion gap (13); And / or, the second trim panel (2) includes a second trim panel body (24) and a first connecting portion (25), the plug-in portion (21) and the first connecting portion (25) are both connected to the second trim panel body (24), and the first connecting portion (25) is arranged at the upper end of the plug-in portion (21) and abuts against the first trim panel body (14).

8. The trim panel connection structure according to any one of claims 1 to 7, characterized in that: One of the first decorative panel (1) and the second decorative panel (2) is provided with an inserting column (23), and the other is provided with an inserting hole (15), and the inserting column (23) is engaged in the inserting hole (15) along either the first direction or the second direction.

9. A column assembly, characterized in that: include: Column; A trim panel connection structure, wherein the trim panel connection structure is a trim panel installation structure as described in any one of claims 1 to 8, wherein the first trim panel (1) and the second trim panel (2) are both installed on the pillar.

10. A vehicle, characterized in that: Including the column assembly described in claim 9.

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