Automobile exterior trimming panel device

Abstract

The utility model relates to an automobile exterior trimming panel device which comprises an outer plate, an inner plate, a supporting plate, a fastening piece and glue, the outer plate comprises a base plate and a C-shaped inverted buckle structure erected from the edge of the base plate, the inner plate comprises a flat plate and a connecting structure erected from the edge of the flat plate, the flat plate is fixedly connected to the base plate through the glue, and the fastening piece is fixedly connected to the flat plate through the glue. The supporting plate used for supporting the C-shaped inverted buckle structure is fixedly connected to the connecting structure through a fastener. According to the automobile exterior trimming panel device, the principle of function separation is adopted, accurate positioning can be achieved at the position where accurate positioning is needed, installation is convenient at the position where convenient assembling is needed, the structure is stable and reliable, and installation is convenient.

Description

Technical Field

[0001] The utility model relates to automotive exterior trim, and more particularly to an automotive exterior trim panel device. Background Art

[0002] In automotive exterior trim products, there is often an exterior trim panel structure where one end of the outer panel has a large C-shaped undercut area and the other end has a flanging structure. See Figure 8 .

[0003] See Figure 9 . It is known that an inner panel is attached to the inner side of the outer panel, and the inner panel and the outer panel are bonded with glue. In the C-shaped undercut area, the edge of the inner panel overlaps the edge of the outer panel, and the mounting structure of the outer panel to the vehicle body is arranged on the inner panel. This known solution cannot solve the problem of the inner depression of the outer panel edge at the edge position of the C-shaped undercut area, nor the deformation problem during the injection molding process of the C-shaped undercut area itself. Moreover, the flanging of the inner panel overlapping the edge of the outer panel itself has insufficient strength and stiffness, which will further deteriorate the gap and flushness matching state at the edge position.

[0004] See Figure 10 . It is known that an inner panel is attached to the inner side of the outer panel, and the inner panel and the outer panel are connected by welding; at the edge position, the edge of the inner panel is a C-shaped structure, and a partial structure of the inner panel is inserted into the edge of the outer panel to wrap the edge of the outer panel. Since a part of the structure of the inner panel edge needs to be inserted into the outer panel edge, the process of installing the inner panel onto the outer panel is to insert first and then rotate. This known solution uses welding to connect the inner panel and the outer panel, and welding is likely to produce welding marks on the outer panel. If the welding marks are to be avoided, the wall thickness of the outer panel needs to be increased, which will undoubtedly increase the weight and cost of the product. Welding will produce welding slag, which adheres to the inner panel and is very ugly in appearance. The assembly process involves insertion and rotation, and the positioning in the insertion direction is unreliable.

[0005] In another known solution, the inner panel and the outer panel are connected by adhesive bonding, and the edge of the inner panel is obliquely inserted into the C-shaped undercut area of the outer panel and then rotated into place. This solution is also unreliable in positioning in the insertion direction of the inner panel. And the assembly trajectory of the inner panel will scrape the glue, which will directly affect the performance of the glue bonding, and further affect the strength and stiffness performance after the inner panel and the outer panel are assembled. Summary of the Utility Model

[0006] In order to solve the problems such as the edge of the C-shaped undercut area not meeting the appearance requirements in the above-mentioned prior art, the utility model provides an automotive exterior trim panel device.

[0007] According to the automobile exterior panel device of the utility model, it includes an outer panel, an inner panel, a support plate, fasteners and glue, wherein the outer panel includes a base plate and a C-shaped inverted structure erected from the edge of the base plate, the inner panel includes a flat plate and a connecting structure erected from the edge of the flat plate, the flat plate is fixedly connected to the base plate by glue, and the support plate for supporting the C-shaped inverted structure is fixedly connected to the connecting structure by fasteners.

[0008] Preferably, the connection structure comprises a side wall, an extension wall and a connection column, wherein the side wall stands upright from the edge of the plate, the extension wall extends from the edge of the side wall, and the connection column is fixed on the extension wall for connection with a fastener.

[0009] Preferably, the support plate comprises a support column and a connecting plate extending from an edge of the support column, the support column is inserted into the C-shaped inverted structure to support the C-shaped inverted structure, and the connecting plate has a connecting hole for fasteners to be inserted and installed.

[0010] Preferably, the support column comprises an orthopedic upper edge and an orthopedic lower edge, which cooperate to form an orthopedic groove to hold the free edge of the C-shaped undercut structure.

[0011] Preferably, the support column further comprises a reinforcing rib, which is arranged in the orthopedic groove to connect the orthopedic upper edge and the orthopedic lower edge.

[0012] Preferably, the support column also includes an orthopedic guide to facilitate assembly.

[0013] Preferably, the support column further comprises support ribs for enhancing the overall strength and rigidity, and the free ends thereof protruding outward support the side walls of the outer panel.

[0014] Preferably, a closed cavity is formed between the outer plate, the inner plate and the support plate.

[0015] Preferably, a vehicle body connection fastening structure is arranged on the inner panel.

[0016] When there is a large amount of reverse flanging on the outer panel, since the C-shaped reverse buckle area is prone to deformation during the injection molding process, and both the outer panel and the C-shaped reverse buckle area have requirements for stiffness and strength, the outer surface of the outer panel has strict appearance requirements, and there are high requirements for the gap surface difference matching at the boundary of the exterior trim panel, especially at the edge of the C-shaped reverse buckle area. The present utility model provides an automotive exterior trim panel device, which can ensure the appearance requirements of the outer panel surface, correct the injection molding deformation of the C-shaped reverse buckle area, effectively strengthen the stiffness of the outer panel and the C-shaped reverse buckle area, effectively control the gap surface difference matching requirements at the edge of the C-shaped reverse buckle area, and has a simple, stable, and reliable structure and is convenient for installation. Specifically, the present utility model splits various functions such as the stiffness, strength, and appearance requirements that the outer panel needs to meet. To install the outer panel on the vehicle body, an installation structure with the vehicle body needs to be arranged, and the large surface of the outer panel needs to have sufficient strength and stiffness. These functions of the outer panel are borne by the inner panel. The inner panel and the outer panel are bonded together with glue to form a double-layer panel, improving the overall stiffness of the large surface; the installation structure with the vehicle body is arranged on the inner panel, ensuring the appearance requirements of the outer panel; the positioning and connection between the inner panel and the outer panel are not affected by the C-shaped reverse buckle area of the outer panel, and a stable and reliable positioning structure can be arranged to improve the positioning accuracy between the inner panel and the outer panel, further ensuring the matching requirements between the outer panel and the vehicle body. The requirements for the surface difference gap matching at the edge of the C-shaped reverse buckle area of the outer panel, as well as the requirements for stiffness and strength performance, are borne by the support plate. Using the sufficient strength and stiffness of the support plate itself, the C-shaped reverse buckle area of the outer panel is orthopedically corrected to improve the injection molding defects of the outer panel. This device adopts the principle of function separation, can accurately position where accurate positioning is required, is convenient for installation where convenient assembly is required, has a stable and reliable structure, and is convenient for installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is an exploded view of an automotive exterior trim panel device according to a preferred embodiment of the present utility model.

[0018] Figure 2 is Figure 1 a schematic structural view of the inner panel of the automotive exterior trim panel device.

[0019] Figure 3 is Figure 1 a schematic structural view of the support plate of the automotive exterior trim panel device.

[0020] Figure 4 is Figure 3 a detailed view of the assembled state of the support plate and the outer panel of.

[0021] Figure 5 is Figure 3 another schematic structural view of the support plate of.

[0022] Figure 6 shows Figure 1 the installation sequence of the automotive exterior trim panel device.

[0023] Figure 7 yes Figure 1 Detail of the enclosed cavity of an automotive exterior panel assembly.

[0024] Figure 8 A schematic structural diagram of an outer plate in the prior art is shown.

[0025] Figure 9 It is a structural schematic diagram of an automobile exterior panel device according to the prior art.

[0026] Figure 10 It is a structural schematic diagram of an automobile exterior panel device according to another prior art. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present utility model are given below in conjunction with the accompanying drawings and described in detail.

[0028] like Figure 1 As shown, according to a preferred embodiment of the utility model, the automobile exterior panel device comprises an outer panel 1, an inner panel 2, a support panel 3, a fastener 4 and a glue 5, wherein the outer panel 1 comprises a base plate 11 and flanges 12 and a C-shaped undercut structure 13 erected substantially vertically from two opposite edges of the base plate 11, the inner panel 2 comprises a flat plate 21 and a connecting structure 22 erected substantially vertically from the edge of the flat plate 21, the flat plate 21 is fixedly connected to the base plate 11 by the glue 5, and the support panel 3 for supporting the C-shaped undercut structure 13 is fixedly connected to the connecting structure 22 by the fastener 4. In this embodiment, the glue 5 is in a frame shape to firmly fix the flat plate 21 to the base plate 11 in four directions.

[0029] like Figure 2 As shown, the connection structure 22 of the inner plate 2 includes a side wall 221, an extension wall 222 and a connection column 223, wherein the side wall 221 is erected substantially vertically upward from the edge of the flat plate 21, the extension wall 222 is extended substantially vertically to the right from the edge of the side wall 221, and the connection columns 223 spaced apart from each other are vertically fixed below the extension wall 222 for connection by the fastener 4. In this embodiment, the fastener 4 is a self-tapping screw, and the connection column 223 is a stud.

[0030] like Figure 3 As shown, the support plate 3 includes a support column 31, which is inserted into the C-shaped inverted structure 13 of the outer plate 1 to support the C-shaped inverted structure 13, as shown in FIG. Figure 4 As shown, the support column 31 includes an orthopedic upper edge 301 and an orthopedic lower edge 302, which work together to form an orthopedic groove to hold the free edge of the C-shaped undercut structure 13 of the outer panel 1, thereby correcting the edge deformation of the outer panel 1. In addition, the support column 31 also includes an orthopedic guide 303, whose arc profile makes assembly easier. Back Figure 3, the support column 31 further includes reinforcing ribs 304 that are equally spaced apart from each other, which are arranged in the orthopedic groove to connect the orthopedic upper edge 301 and the orthopedic lower edge 302, increasing the strength and stiffness of the orthopedic groove itself, making the outer plate C-shaped reverse buckle edge structure more stable and reliable. As Figure 5 shown, the support column 31 further includes support ribs 305 that are equally spaced apart from each other, which are used to strengthen the overall strength and stiffness of the support plate 3, further strengthening the strength and stiffness of the outer plate C-shaped reverse buckle edge structure, returning to Figure 3 , and the free end protruding outward supports the side wall of the outer plate.

[0031] Returning to Figure 3 , the support plate 3 further includes a connecting plate 32 that extends substantially perpendicular from the edge of the support column 31, and connecting holes 321 that are equally spaced apart from each other are provided thereon for the fasteners 4 to be inserted and installed.

[0032] The following will briefly describe the installation sequence of the automotive exterior trim device in conjunction with Figure 6 .

[0033] First, apply glue 5 on the base plate 11 of the outer plate 1.

[0034] Then, the left edge of the inner plate 2 is closely attached to the flanging 12 and connected to the base plate 11 through the glue 5 to form a double-layer plate, increasing the overall stiffness and strength. For two parts bonded with glue, during the process of one part being assembled onto another part, if it comes into contact with the glue in advance and drives the glue to slip, causing the glue to deviate from the designated position, this phenomenon is called glue shoveling. The occurrence of glue shoveling will, on the one hand, cause the thickness of the glue to change, and on the other hand, cause the glue to deviate from the original adhesion area. The assembly direction of the inner plate 2 is the up and down direction, perpendicular to the horizontally extending base plate 11 of the outer plate 1, so glue shoveling will not occur, and the positioning between the inner plate 2 and the outer plate 1 is not affected either.

[0035] Then, place the support plate 3 and push it to the right, so that the support column 31 of the support plate 3 enters the C-shaped reverse buckle structure 13 of the outer plate 1, supports the C-shaped reverse buckle structure 13, and corrects the deformation of the C-shaped reverse buckle structure 13. The assembly direction of the support plate 3 is first the up and down direction, and then the left and right direction.

[0036] Finally, use the fasteners 4 to connect the support plate 3 to the inner plate 2.

[0037] In this way, as Figure 7 shown, a closed cavity is formed between the outer plate 1, the inner plate 2, and the support plate 3. This cavity has a good sectional moment of inertia and can ensure sufficient strength and stiffness in this area.

[0038] The following is a brief introduction to the functional separation principle of the utility model. In order to meet the performance requirements of the outer panel, the device mainly needs several functions: ① Strengthen the outer panel; ② Undertake the connection and fastening of the outer panel and the vehicle body; ③ Ensure that the matching of the outer panel and the vehicle body is stable, reliable and good; ④ Improve the stiffness and strength of the C-shaped undercut area; ⑤ Correct the injection defects of the C-shaped undercut area; ⑥ Match the gap and face difference at the edge of the C-shaped undercut area. Split functions ①②③ onto the inner panel, and split functions ④⑤⑥ onto the support plate. The inner panel and the outer panel are bonded by glue to form a double-layer reinforced panel to meet function ①. The inner panel can be arranged with a connection and fastening structure with the vehicle body to meet function ②. The bonding process between the inner panel and the outer panel is not affected by the C-shaped undercut area of ​​the outer panel, and a stable and reliable positioning structure can be arranged with the outer panel to meet function ③. A closed cavity is formed between the support plate, the C-shaped undercut area of ​​the outer panel, and the inner panel, which increases the section moment of inertia of the local cross section of the C-shaped undercut area, significantly improves the local stiffness and strength, and meets function ④. The orthopedic groove on the support plate has sufficient strength and rigidity to correct the edge of the C-shaped undercut area. The support ribs on the support plate can further strengthen the C-shaped undercut area of ​​the outer plate, meeting function ⑤. The orthopedic groove of the support plate and the edge of the C-shaped undercut area of ​​the outer plate are in a conformal state, which can well ensure the matching requirements of the gap and face difference of the edge, meeting function ⑥.

[0039] It should be understood that the self-tapping screws mentioned above as a fastening method between the support plate and the inner plate are only used as examples and not limitations. The fastening method can also be various connection methods such as riveting, welding, tape bonding, glue bonding, etc. The installation of the support plate mentioned above after the inner plate and the outer plate are glued is only used as an example and not a limitation. The support plate can be assembled to the outer plate together with the inner plate, or the support plate can be installed first and then the inner plate. The structure of the support plate shown in the accompanying drawings pressing the inner plate structure is only used as an example and not a limitation. The inner plate structure can also press the support plate structure.

[0040] The above is only a preferred embodiment of the utility model, and is not intended to limit the scope of the utility model. The above embodiments of the utility model can also be modified in various ways. That is, all simple, equivalent changes and modifications made according to the claims and the contents of the specification of the utility model application fall within the scope of protection of the claims of the utility model patent. The conventional technical contents are not described in detail in the utility model.

Claims

1. An automobile exterior panel device, characterized in that: The automobile exterior panel device includes an outer panel, an inner panel, a support plate, fasteners and glue, wherein the outer panel includes a base plate and a C-shaped inverted structure erected from the edge of the base plate, the inner panel includes a flat plate and a connecting structure erected from the edge of the flat plate, the flat plate is fixedly connected to the base plate by glue, and the support plate used to support the C-shaped inverted structure is fixedly connected to the connecting structure by fasteners.

2. The automobile exterior panel device according to claim 1, characterized in that: The connection structure comprises a side wall, an extension wall and a connection column, wherein the side wall stands upright from the edge of the plate, the extension wall extends from the edge of the side wall, and the connection column is fixed on the extension wall for connection with a fastener.

3. The automobile exterior panel device according to claim 1, characterized in that: The support plate comprises a support column and a connecting plate extending from the edge of the support column, the support column is inserted into the C-shaped inverted structure to support the C-shaped inverted structure, and the connecting plate has a connecting hole for fasteners to be inserted and installed.

4. The automobile exterior panel device according to claim 3, characterized in that: The support column includes an orthopedic upper edge and an orthopedic lower edge, which are matched to form an orthopedic groove to hold the free edge of the C-shaped undercut structure.

5. The automobile exterior panel device according to claim 4, characterized in that: The support column also includes a reinforcing rib, which is arranged in the orthopedic groove to connect the orthopedic upper edge and the orthopedic lower edge.

6. The automobile exterior panel device according to claim 4, characterized in that: The support column also includes orthopedic guides to facilitate assembly.

7. The automobile exterior panel device according to claim 4, characterized in that: The support column also includes support ribs for enhancing the overall strength and rigidity, and the free ends of the support ribs protruding outward support the side walls of the outer plate.

8. The automobile exterior panel device according to claim 1, characterized in that: A closed cavity is formed between the outer plate, the inner plate and the supporting plate.

9. The automobile exterior panel device according to claim 1, characterized in that: The vehicle body connection and fastening structure is arranged on the inner panel.

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