A side wall and vehicle body mounting structure and mounting method, and a vehicle

Abstract

The application provides a side wall and vehicle body mounting structure and mounting method, and a vehicle. The side wall and vehicle body mounting structure comprises a side wall, a lower vehicle body, a first support and a second support. One end of the first support is glued to the side wall. The second support is provided with a first error adjustment part and a second error adjustment part. The second support is detachably connected to the one end of the first support away from the side wall through the first error adjustment part, and is detachably connected to the lower vehicle body through the second error adjustment part. The side wall and vehicle body mounting structure and mounting method solve the problems of unguaranteed installation precision of the carbon fiber side wall and the lower vehicle body and large size tolerance error.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of automobile manufacturing, in particular to a side wall and vehicle body mounting structure and mounting method, and a vehicle. BACKGROUND

[0002] At present, the main components of the welded body-in-white include a lower vehicle body assembly and an upper vehicle body assembly, and the upper vehicle body assembly is mainly divided into a side wall assembly and a roof assembly. Most automobile factories adopt a welding process in which the lower vehicle body assembly and the side wall assembly are pre-assembled before entering the positioning welding. The pre-assembly requires that the side wall assembly is first mounted on the lower vehicle body, and then the two are entered into the total assembly welding. However, the carbon fiber side wall is coated and mounted by a fixture positioning. Compared with the metal vehicle body whose assembly is completed in the welding, the positioning reference is changed, the error is accumulated, and the installation is difficult. In the process of mounting the carbon fiber side wall on the lower vehicle body, the large-size carbon fiber side wall has flexible deformation, poor dimensional stability, difficult precision control, large dimensional tolerance error, and the large-size carbon fiber side wall has the problems of difficult installation and connection with the steel lower vehicle body and cannot guarantee the installation precision. Forced installation of the large-size carbon fiber side wall on the steel lower vehicle body will cause the side wall deformation and affect the production rhythm. SUMMARY

[0003] The present application aims to solve the technical problems of the existing carbon fiber side wall and lower vehicle body installation precision cannot be guaranteed and large dimensional tolerance error, and provides a side wall and vehicle body mounting structure, a mounting method thereof, and a vehicle.

[0004] To solve the above technical problems, on the one hand, the present application provides a side wall and vehicle body mounting structure, which comprises a side wall, a lower vehicle body, a first support and a second support. One end of the first support is glued to the side wall. The second support is provided with a first error adjustment part and a second error adjustment part. The second support is detachably connected to the end of the first support away from the side wall through the first error adjustment part, and is detachably connected to the lower vehicle body through the second error adjustment part.

[0005] Optionally, the second support comprises a second support body, a vertical connecting edge and a first horizontal connecting edge. The vertical connecting edge extends in the vertical direction from one end of the second support body close to the first support. The first error adjustment part is arranged on the vertical connecting edge.

[0006] The first horizontal connecting edge extends along the length direction of the lower vehicle body and is arranged on one side of the second support body. The second error adjustment part is arranged on the first horizontal connecting edge.

[0007] Optionally, the second support further comprises a second horizontal connecting edge extending along the length direction of the lower vehicle body and arranged on the side of the second support body away from the first horizontal connecting edge, and the second error adjustment part is arranged on the second horizontal connecting edge.

[0008] Optionally, the first horizontal connecting edge and the second horizontal connecting edge are respectively connected to the second support body through a transition section, and the transition section is arranged obliquely from the side of the second support body to the direction of the lower vehicle body, and a reinforcing rib is arranged on the transition section.

[0009] Optionally, the first error adjustment part comprises a first bolt and a first adjusting hole arranged on the second support, and the first bolt is arranged displaceably in the first adjusting hole; and the second error adjustment part comprises a second bolt and a second adjusting hole arranged on the second support, and the second bolt is arranged displaceably in the second adjusting hole.

[0010] Optionally, the first support comprises a first connecting surface and a second connecting surface, the first connecting surface extends along the horizontal direction, and the first connecting surface is glued to the side wall through the arrangement of structural glue; the second connecting surface extends along the vertical direction, and the second connecting surface is provided with a positioning hole for jig positioning, and the second support is connected to the second connecting surface through the first bolt passing through the first adjusting hole and the positioning hole.

[0011] In another aspect, the application further provides a mounting method of the side wall and vehicle body mounting structure as described above, comprising the following steps:

[0012] Optionally, structural glue is coated on the first support, the first support is placed on a jig, and the first support and the side wall are positioned by the jig;

[0013] The first support and the side wall are glued;

[0014] The second support is placed on the lower vehicle body, the second support is first pre-tightened with the first support through the first error adjustment part, then the second support is fastened and connected with the lower vehicle body through the second error adjustment part, and finally the second support is fastened and connected with the first support through the first error adjustment part.

[0015] Optionally, the gluing of the first support and the side wall further comprises baking the structural glue.

[0016] Optionally, the first error adjustment part comprises a first bolt and a first adjusting hole arranged on the second support, and the second error adjustment part comprises a second bolt and a second adjusting hole arranged on the second support.

[0017] The first bolt is pre-tightened through the first adjusting hole and the first support, the second bolt is fastened through the second adjusting hole and the lower vehicle body, and finally the first bolt is fastened.

[0018] In another aspect, the present application also provides a vehicle comprising the side wall and vehicle body mounting structure according to any one of the above.

[0019] In the present application, the first support is positioned by a clamp, and the first support and the side wall are glued to achieve adjustable installation of the first support in the length and width directions of the vehicle body. The first error adjustment part and the second error adjustment part are arranged on the second support to absorb and adjust the size error of the second support and the lower vehicle body, thereby solving the problem of difficult installation of the carbon fiber side wall and the steel lower vehicle body and ensuring the installation precision of the carbon fiber side wall and the steel lower vehicle body.

[0020] By pre-tightening the second support and the first support, fastening the second support and the lower vehicle body, and then fastening the second support and the first support, the appearance quality problem caused by forced deformation installation of the carbon fiber side wall and the lower vehicle body is avoided, and the human-machine strength of the installation operation is reduced and the installation efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a schematic view of a side wall and vehicle body mounting structure provided by an embodiment of the present application;

[0022] Figure 2 is a cross-sectional schematic view of a side wall and vehicle body mounting structure provided by an embodiment of the present application;

[0023] Figure 3 is an assembly schematic view of a first support and a second support of a side wall and vehicle body mounting structure provided by an embodiment of the present application;

[0024] Figure 4 is a structural schematic view of a first support of a side wall and vehicle body mounting structure provided by an embodiment of the present application;

[0025] Figure 5 is a structural schematic view of a connection between a first support and a side wall of a side wall and vehicle body mounting structure provided by an embodiment of the present application.

[0026] The reference signs in the drawings of the specification are as follows:

[0027] 1, side wall;

[0028] 2, lower vehicle body;

[0029] 3. First bracket; 31. First connecting surface; 32. Second connecting surface; 33. Positioning hole;

[0030] 4. Second support; 41. Second support body; 42. Vertical connecting edge; 43. First horizontal connecting edge; 44. Second horizontal connecting edge; 45. Transition section;

[0031] 51. First bolt; 52. First adjusting hole; 53. Second bolt; 54. Second adjusting hole;

[0032] 6. Structural adhesive; 7. Fixtures. Detailed Implementation

[0033] To make the technical problems solved, the technical solutions, and the beneficial effects of the present invention clearer, the present invention will be further described in detail below with reference to embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0034] In the description of this invention, it should be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0035] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0036] like Figures 1-5 As shown in the figure, an embodiment of the present invention provides a side panel and vehicle body mounting structure, including a side panel 1, a lower vehicle body 2, a first bracket 3, and a second bracket 4. One end of the first bracket 3 is glued to the side panel 1. The second bracket 4 is provided with a first error adjustment part and a second error adjustment part. The second bracket 4 is detachably connected to the end of the first bracket 3 away from the side panel 1 through the first error adjustment part, and the second bracket 4 is detachably connected to the lower vehicle body 2 through the second error adjustment part.

[0037] In the embodiment, the first support 3 is positioned by the clamp 7, and the first support 3 is glued to the side wall 1 to achieve adjustable installation of the first support 3 in the length direction and the width direction of the vehicle body. The first error adjustment part and the second error adjustment part are arranged on the second support 4 to absorb and adjust the size error between the second support 4 and the lower vehicle body 2, solve the installation difficulty problem of the carbon fiber side wall 1 and the steel lower vehicle body 2, and ensure the installation precision of the carbon fiber side wall 1 and the steel lower vehicle body 2. The forced deformation installation of the carbon fiber side wall 1 and the lower vehicle body 2 is avoided to avoid the appearance quality problem, reduce the man-machine strength of the installation operation, and improve the installation efficiency.

[0038] As shown in Figure 3 In some embodiments, the second support 4 includes a second support body 41, a vertical connecting edge 42 and a first horizontal connecting edge 43. The vertical connecting edge 42 extends in the vertical direction from one end of the second support body 41 close to the first support 3. The first error adjustment part is arranged on the vertical connecting edge 42.

[0039] The first horizontal connecting edge 43 extends in the length direction of the lower vehicle body 2 and is arranged on one side of the second support body 41. The second error adjustment part is arranged on the first horizontal connecting edge 43. The first error adjustment part arranged on the vertical connecting edge 42 adjusts the position of the second support 4 in the height direction of the vehicle body to absorb the assembly size error in the height direction between the second support 4 and the lower vehicle body 2. The second error adjustment part arranged on the first horizontal connecting edge 43 adjusts the position of the second support 4 in the length direction or the width direction of the vehicle body to absorb the assembly size error in the horizontal direction between the second support 4 and the lower vehicle body 2.

[0040] As shown in Figure 3 In some embodiments, the second support 4 further includes a second horizontal connecting edge 44. The second horizontal connecting edge 44 extends in the length direction of the lower vehicle body 2 and is arranged on the side of the second support body 41 away from the first horizontal connecting edge 43. The second error adjustment part is arranged on the second horizontal connecting edge 44. The first horizontal connecting edge 43 and the second horizontal connecting edge 44 are arranged to strengthen the connection reliability of the second support 4 and the lower vehicle body 2, and facilitate accurate assembly positioning of the second support 4 and the lower vehicle body 2.

[0041] As shown in Figure 3 and Figure 4As shown, in some embodiments, the first horizontal connecting edge 43 and the second horizontal connecting edge 44 are respectively connected with the second bracket body 41 through a transition section 45, the transition section 45 is obliquely arranged from one side of the second bracket body 41 to the direction of the lower vehicle body 2, and a reinforcing rib is arranged on the transition section 45 to increase the structural strength of the second bracket 4.

[0042] As shown in the drawings, Figures 1-3 As shown, in some embodiments, the first error adjustment part includes a first bolt 51 and a first adjusting hole 52 arranged on the second bracket 4, and the first bolt 51 is arranged in the first adjusting hole 52 in a displaceable manner. The second error adjustment part includes a second bolt 53 and a second adjusting hole 54 arranged on the second bracket 4, and the second bolt 53 is arranged in the second adjusting hole 54 in a displaceable manner. Specifically, the first adjusting hole 52 and the second adjusting hole 54 can be a waist-shaped hole, or a through hole with a diameter of 2-5 mm. By adjusting the positions of the first bolt 51 and the second bolt 53 in the first adjusting hole 52 and the second adjusting hole 54 respectively, the assembly error can be absorbed.

[0043] As shown in the drawings, Figure 4 As shown, in some embodiments, the first bracket 3 includes a first connecting surface 31 and a second connecting surface 32, the first connecting surface 31 extends in a horizontal direction, and the first connecting surface 31 is glued to the side wall 1 by arranging a structural adhesive 6. The second connecting surface 32 extends in a vertical direction, and the second connecting surface 32 is provided with a positioning hole 33 for positioning a clamp 7, and the second bracket 4 is connected with the second connecting surface 32 by the first bolt 51 passing through the first adjusting hole 52 and the positioning hole 33. The first bracket 3 is positioned by the clamp 7 and glued to the side wall 1, so that the position of the first bracket 3 can be adjusted in the width direction and the length direction of the lower vehicle body 2.

[0044] An embodiment of the present application also provides a mounting method of the side wall and vehicle body mounting structure as described in the above embodiments, which comprises the following steps:

[0045] The structural adhesive 6 is applied on the first bracket 3, the first bracket 3 is placed on the clamp 7, and the first bracket 3 and the side wall 1 are positioned by the clamp 7. Specifically, the first bracket 3 is flipped and limited by the clamp 7, so as to achieve the purpose of positioning and connecting the first bracket 3 and the side wall 1.

[0046] The first bracket 3 and the side wall 1 are glued.

[0047] The second support 4 is placed on the lower vehicle body 2, first pre-tightened with the first support 3 through the first error adjustment part, then fastened and connected with the lower vehicle body 2 through the second error adjustment part, and finally fastened and connected with the first support 3 through the first error adjustment part.

[0048] The mounting method of the side wall 1 and the vehicle body mounting structure of the present application avoids the appearance quality problem caused by the forced deformation mounting of the carbon fiber side wall 1 and the lower vehicle body 2, reduces the man-machine strength of the mounting operation, and improves the mounting efficiency.

[0049] In some embodiments, the gluing of the first support 3 and the side wall 1 further includes baking the structural adhesive 6. The first support 3 and the second support 4 are fastened and connected through the structural adhesive 6 by baking.

[0050] In some embodiments, the first error adjustment part includes a first bolt 51 and a first adjusting hole 52 arranged on the second support 4, and the second error adjustment part includes a second bolt 53 and a second adjusting hole 54 arranged on the second support 4.

[0051] The first bolt 51 is pre-tightened by passing through the first adjusting hole 52 and the first support 3, then the second bolt 53 is fastened by passing through the second adjusting hole 54 and the lower vehicle body 2, and finally the first bolt 51 is fastened. The assembly error is absorbed by changing the positions of the first bolt 51 and the second bolt 53 in the first adjusting hole 52 and the second adjusting hole 54, and the structure is simple. By changing the sequence of fastening of the first bolt 51 and the second bolt 53, the appearance quality problem caused by the forced deformation mounting of the carbon fiber side wall 1 and the lower vehicle body 2 is avoided, the man-machine strength of the mounting operation is reduced, and the mounting efficiency is improved.

[0052] When two second error adjustment parts are arranged, one second bolt 53 is first fastened, then the other second bolt 53 is fastened, and finally the first bolt 51 is fastened.

[0053] An embodiment of the present application further provides a vehicle comprising the side wall and vehicle body mounting structure according to any one of the above.

[0054] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A side panel mounting structure for vehicle body, characterized in that, The first support is glued to the side wall through a structural adhesive; the second support is detachably connected to the first support through a first error adjustment part, and is detachably connected to the lower vehicle body through a second error adjustment part.

2. The side frame and vehicle body mounting structure according to claim 1, characterized by The second support comprises a second support body, a vertical connecting edge and a first horizontal connecting edge; the vertical connecting edge extends from the second support body in a vertical direction; the first error adjustment part is arranged on the vertical connecting edge; The first horizontal connecting edge extends along the length direction of the lower vehicle body and is arranged on one side of the second support body; the second error adjustment part is arranged on the first horizontal connecting edge.

3. The side frame and vehicle body mounting structure according to claim 2, characterized by The second support further comprises a second horizontal connecting edge; the second horizontal connecting edge extends along the length direction of the lower vehicle body and is arranged on the side of the second support body away from the first horizontal connecting edge; the second error adjustment part is arranged on the second horizontal connecting edge.

4. The side frame and vehicle body mounting structure according to claim 3, characterized by The first horizontal connecting edge and the second horizontal connecting edge are respectively connected to the second support body through a transition section; the transition section is arranged in a direction of the lower vehicle body and is inclined to the side of the second support body; a reinforcing rib is arranged on the transition section.

5. The side frame and vehicle body mounting structure according to any one of claims 1 to 4, characterized in that, The first error adjustment part comprises a first bolt and a first adjusting hole arranged on the second support; the first bolt is arranged in the first adjusting hole in a displaceable manner; the second error adjustment part comprises a second bolt and a second adjusting hole arranged on the second support; the second bolt is arranged in the second adjusting hole in a displaceable manner.

6. The side frame and vehicle body mounting structure according to claim 5, wherein The first support comprises a first connecting surface and a second connecting surface; the first connecting surface extends in a horizontal direction; the first connecting surface is glued to the side wall through a structural adhesive; the second connecting surface extends in a vertical direction; a positioning hole for clamp positioning is arranged on the second connecting surface; the second support is connected to the second connecting surface through the first bolt, the first adjusting hole and the positioning hole.

7. The method of mounting a side wall to a vehicle body structure according to any one of claims 1 to 6, wherein The method comprises the following steps: A structural adhesive is applied on the first support; the first support is placed on a clamp; the first support and the side wall are positioned by the clamp; The first support is glued to the side wall; The second support is placed on the lower vehicle body; the second support is pre-tightened to the first support through the first error adjustment part; the second support is tightly connected to the lower vehicle body through the second error adjustment part; finally, the second support is tightly connected to the first support through the first error adjustment part.

8. The method of installing a side wall and vehicle body mounting structure according to claim 7, characterized by Gluing the first support to the side wall further comprises baking the structural adhesive.

9. The method of installing a side wall and vehicle body mounting structure according to claim 7, characterized by The first error adjustment part comprises a first bolt and a first adjusting hole arranged on the second support; the second error adjustment part comprises a second bolt and a second adjusting hole arranged on the second support. The first bolt is passed through the first adjusting hole and the first support, pre-tightened, the second bolt is passed through the second adjusting hole and the lower vehicle body, fastened, and finally the first bolt is fastened.

10. A vehicle characterized by comprising: The side wall and vehicle body mounting structure according to any one of claims 1 to 6 is included.

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