Upright column structure, C column assembly structure and automobile

Abstract

The utility model provides a stand column structure, a C column assembly structure and an automobile. The stand column structure comprises a stand column inner plate and a stand column reinforcing plate. The first end of the stand column inner plate is connected with the first end of the stand column reinforcing plate in the Y direction, and the second end of the stand column inner plate is connected with the second end of the stand column reinforcing plate in the Y direction. The stand column inner plate is matched with the stand column reinforcing plate to form a first cavity structure. The stand column inner plate and the stand column reinforcing plate are matched to form the first cavity structure, the section shape of the stand column structure is changed, the forming angle requirement under the conditions of the gap requirement a from the stand column structure to a tire envelope and the forming depth H can be met, the forming depth H is short, the section is enlarged, the X-direction space S can be fully utilized, the deformation resistance is enhanced, and the service life of the stand column structure is prolonged. The rigidity and modality of a vehicle body are guaranteed, the NVH performance of the whole vehicle is improved, and the side collision requirement of the vehicle is met.

Description

Technical Field

[0001] The utility model belongs to the technical field of column structures, and in particular relates to a column structure, a C-column assembly structure and a car. Background Art

[0002] The existing pillar structure has many requirements in design, not only to meet the clearance requirements to the tire envelope, but also to meet the molding angle requirements under the molding depth of the wheel cover outer panel. Figure 1 The wheel house outer panel 4, the C-pillar reinforcement plate 2, and the wheel house inner panel 3 are connected by spot welding, the side panel outer panel 5, the wheel house outer panel 4, and the C-pillar reinforcement plate 2 are connected by spot welding, and the side panel outer panel 5 and the wheel house outer panel 4 are connected by hemming or spot welding. This structure meets the clearance requirement a from the pillar structure to the tire envelope and the forming angle requirement under the forming depth H, but it also leads to the X-direction space S not being fully utilized, so the cross-section is small and long and narrow, the deformation resistance is weak, the body stiffness and mode are poor, and the NVH performance of the whole vehicle is poor. Summary of the invention

[0003] The utility model provides a column structure, a C-column assembly structure and a car, so as to solve the problems that the existing column structure has a small and long and narrow cross section and a weak anti-deformation ability.

[0004] A column structure, comprising a column inner plate and a column reinforcement plate;

[0005] The first end of the column inner plate is connected to the first end of the column reinforcement plate along the Y direction, and the second end of the column inner plate is connected to the second end of the column reinforcement plate along the Y direction;

[0006] The pillar inner plate and the pillar reinforcement plate cooperate to form a first cavity structure.

[0007] Preferably, the pillar inner plate comprises a first inner plate body, a second inner plate body and a third inner plate body extending outwardly from both side edges of the first inner plate body along the Y direction, a fourth inner plate body extending forwardly from one side edge of the second inner plate body along the X direction, and a fifth inner plate body extending backwardly from one side edge of the third inner plate body along the X direction;

[0008] The column reinforcement plate includes a first reinforcement plate body, a second reinforcement plate body and a third reinforcement plate body extending inwardly along the Y direction from both side edges of the first reinforcement plate body, a fourth reinforcement plate body extending forward along the X direction from one side edge of the second reinforcement plate body, and a fifth reinforcement plate body extending backward along the X direction from one side edge of the third reinforcement plate body;

[0009] The fourth inner plate body is connected to the fourth reinforcing plate body along the Y direction, and the fifth inner plate body is connected to the fifth reinforcing plate body along the Y direction.

[0010] Preferably, the fourth inner panel body and the fourth reinforcing panel body are connected by spot welding, and the fifth inner panel body and the fifth reinforcing panel body are connected by spot welding.

[0011] A C-pillar assembly structure, characterized by comprising the above-mentioned pillar structure, a wheel house inner panel and a wheel house outer panel;

[0012] The pillar structure is arranged between the wheel house inner panel and the wheel house outer panel;

[0013] The pillar structure includes a pillar inner plate and a pillar reinforcement plate. The pillar inner plate is connected to the wheel cover inner plate along the Y direction, and the pillar reinforcement plate is connected to the wheel cover outer plate along the Y direction.

[0014] Preferably, the pillar inner plate comprises a first inner plate body, a second inner plate body and a third inner plate body extending outwardly from both side edges of the first inner plate body along the Y direction, a fourth inner plate body extending forwardly from one side edge of the second inner plate body along the X direction, and a fifth inner plate body extending backwardly from one side edge of the third inner plate body along the X direction;

[0015] The column reinforcement plate includes a first reinforcement plate body, a second reinforcement plate body and a third reinforcement plate body extending inwardly along the Y direction from both side edges of the first reinforcement plate body, a fourth reinforcement plate body extending forward along the X direction from one side edge of the second reinforcement plate body, and a fifth reinforcement plate body extending backward along the X direction from one side edge of the third reinforcement plate body;

[0016] The fourth inner panel body is connected to the fourth reinforcing panel body along the Y direction, the fifth inner panel body is connected to the fifth reinforcing panel body along the Y direction, one end of the wheel cover inner panel is connected to the first inner panel body along the Y direction; one end of the wheel cover outer panel is connected to the first reinforcing panel body along the Y direction.

[0017] Preferably, the C-pillar assembly structure further includes a side outer panel;

[0018] One end of the side outer panel is connected to the pillar reinforcement plate along the Y direction, and the other end of the side outer panel is connected to the other end of the wheel arch outer panel along the Y direction. The side outer panel, the pillar reinforcement plate and the wheel arch outer panel cooperate to form a second cavity structure.

[0019] Preferably, the wheel house outer panel comprises a wheel house outer panel body, a first edge extending forward along the X direction from one end of the wheel house outer panel body, and a second edge extending backward along the X direction from the other end of the wheel house outer panel body;

[0020] The side outer panel comprises a side outer panel body, a third edge extending forward from one end of the side outer panel body along the X direction, and a fourth edge extending backward from the other end of the side outer panel body along the X direction;

[0021] The first edge binding is connected to the first reinforcing plate body along the Y direction, the second edge binding is connected to the fourth edge binding, and the third edge binding is connected to the fourth reinforcing plate body along the Y direction.

[0022] Preferably, the side outer panel body comprises a first body segment, a second body segment extending obliquely inwardly from one end of the first body segment along the Y direction, and a third body segment extending obliquely outwardly from the first body segment along the Y direction;

[0023] One end of the second body segment extends out of the third edge, and one end of the third body segment extends out of the fourth edge.

[0024] Preferably, one end of the side outer panel is connected to the pillar reinforcement plate by spot welding, and the other end of the side outer panel is connected to the other end of the wheel house outer panel by spot welding.

[0025] A car comprises the C-pillar assembly structure.

[0026] Compared with the existing pillar structure, the pillar structure in this example increases the pillar inner panel so that the first end of the pillar inner panel is connected to the first end of the pillar reinforcement plate along the Y direction, and the second end of the pillar inner panel is connected to the second end of the pillar reinforcement plate along the Y direction; the pillar inner panel and the pillar reinforcement plate cooperate to form a first cavity structure, which changes the cross-sectional shape of the pillar structure, and can meet the clearance requirement a from the pillar structure to the tire envelope and the forming angle requirement under the forming depth H. The forming depth H is short and the cross-section is expanded, so that the X-direction space S can be fully utilized, the deformation resistance is enhanced, the vehicle body stiffness and mode are guaranteed, the NVH performance of the whole vehicle is improved, and the vehicle side collision requirements are met. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative labor.

[0028] Figure 1 is a cross-sectional view of a C-pillar structure in the prior art;

[0029] Figure 2 It is a cross-sectional view of the C-pillar assembly structure in the utility model.

[0030] Among them, 1. Pillar inner panel; 11. First inner panel body; 12. Second inner panel body; 13. Third inner panel body; 14. Fourth inner panel body; 15. Fifth inner panel body; 2. Pillar reinforcement plate; 21. First reinforcement plate body; 22. Second reinforcement plate body; 23. Third reinforcement plate body; 24. Fourth reinforcement plate body; 25. Fifth reinforcement plate body; 3. Wheel house inner panel; 4. Wheel house outer panel; 41. Wheel house outer panel body; 42. First edging; 43. Second edging; 5. Side outer panel; 51. Side outer panel body; 511. First body section; 512. Second body section; 513. Third body section; 52. Third edging; 53. Fourth edging. DETAILED DESCRIPTION

[0031] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0032] In the description of the present invention, it should be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] The utility model embodiment provides a column structure, referring to Figure 2 The column structure includes a column inner plate 1 and a column reinforcement plate 2; the first end of the column inner plate 1 is connected to the first end of the column reinforcement plate 2 along the Y direction, and the second end of the column inner plate 1 is connected to the second end of the column reinforcement plate 2 along the Y direction; the column inner plate 1 and the column reinforcement plate 2 cooperate to form a first cavity structure.

[0035] As an example, the pillar structure includes a pillar inner panel 1 and a pillar reinforcement plate 2. Compared with the existing pillar structure, the pillar structure in this example adds the pillar inner panel 1 so that the first end of the pillar inner panel 1 is connected to the first end of the pillar reinforcement plate 2 along the Y direction, and the second end of the pillar inner panel 1 is connected to the second end of the pillar reinforcement plate 2 along the Y direction; the pillar inner panel 1 and the pillar reinforcement plate 2 cooperate to form a first cavity structure, which changes the cross-sectional shape of the pillar structure, and can meet the gap requirement a from the pillar structure to the tire envelope and the molding angle requirement under the molding depth H. The molding depth H is short and the cross-section is expanded, so that the X-direction space S can be fully utilized, the deformation resistance is enhanced, the vehicle body stiffness and mode are guaranteed, the NVH performance of the whole vehicle is improved, and the vehicle side collision requirements are met.

[0036] In one embodiment, referring to Figure 2 The pillar inner plate 1 includes a first inner plate body 11, a second inner plate body 12 and a third inner plate body 13 extending outward from both side edges of the first inner plate body 11 along the Y direction, a fourth inner plate body 14 extending forward from one side edge of the second inner plate body 12 along the X direction, and a fifth inner plate body 15 extending backward from one side edge of the third inner plate body 13 along the X direction; the pillar reinforcement plate 2 includes a first reinforcement plate body 21, a second reinforcement plate body 22 and a third reinforcement plate body 23 extending inward from both side edges of the first reinforcement plate body 21 along the Y direction, a fourth reinforcement plate body 24 extending forward from one side edge of the second reinforcement plate body 22 along the X direction, and a fifth reinforcement plate body 25 extending backward from one side edge of the third reinforcement plate body 23 along the X direction; the fourth inner plate body 14 is connected to the fourth reinforcement plate body 24 along the Y direction, and the fifth inner plate body 15 is connected to the fifth reinforcement plate body 25 along the Y direction.

[0037] As an example, the pillar inner panel 1 includes a first inner panel body 11, a second inner panel body 12, a third inner panel body 13, a fourth inner panel body 14 and a fifth inner panel body 15; the first inner panel body 11 is arranged along the X direction, the second inner panel body 12 and the third inner panel body 13 are respectively extended outward from the two side edges of the first inner panel body 11 along the Y direction, the fourth inner panel body 14 is extended forward from one side edge of the second inner panel body 12 along the X direction, and the fifth inner panel body 15 is extended backward from one side edge of the third inner panel body 13 along the X direction; the pillar reinforcement plate 2 includes a first reinforcement plate body 21, a second reinforcement plate body 22, a third reinforcement plate body 23, a fourth reinforcement plate body 24 and a fifth reinforcement plate body 25, the second reinforcement plate body 22 and the third reinforcement plate body 23 are respectively extended from the first reinforcement plate body 2 The two side edges of 1 extend inwardly along the Y direction, the fourth reinforcement plate body 24 extends forwardly along the X direction from one side edge of the second reinforcement plate body 22, and the fifth reinforcement plate body 25 extends backwardly along the X direction from one side edge of the third reinforcement plate body 23; the fourth inner plate body 14 is connected with the fourth reinforcement plate body 24 along the Y direction, and the fifth inner plate body 15 is connected with the fifth reinforcement plate body 25 along the Y direction. The pillar inner plate 1 and the pillar reinforcement plate 2 cooperate to form a first cavity structure, which changes the cross-sectional shape of the pillar structure, can meet the gap requirement a from the pillar structure to the tire envelope and the molding angle requirement under the molding depth H. The molding depth H is short and the cross-section is expanded, so that the X-direction space S can be fully utilized, the deformation resistance is enhanced, the body stiffness and mode are guaranteed, the NVH performance of the whole vehicle is improved, and the vehicle side collision requirements are met.

[0038] In one embodiment, referring to Figure 2 The fourth inner panel body 14 and the fourth reinforcing panel body 24 are connected by spot welding, and the fifth inner panel body 15 and the fifth reinforcing panel body 25 are connected by spot welding.

[0039] As an example, the fourth inner panel body 14 and the fourth reinforcement panel body 24 are connected by spot welding, and the fifth inner panel body 15 and the fifth reinforcement panel body 25 are connected by spot welding. The spot welding connection method is simple and convenient, with multiple points and small area, which can ensure the reliability of the connection, avoid deformation of the workpiece, and improve installation efficiency.

[0040] The utility model embodiment provides a C-pillar assembly structure, referring to Figure 2 , including a pillar structure, a wheel house inner panel 3 and a wheel house outer panel 4; the pillar structure is arranged between the wheel house inner panel 3 and the wheel house outer panel 4; the pillar structure includes a pillar inner panel 1 and a pillar reinforcement plate 2, the pillar inner panel 1 is connected to the wheel house inner panel 3 along the Y direction, and the pillar reinforcement plate 2 is connected to the wheel house outer panel 4 along the Y direction.

[0041] As an example, the C-pillar assembly structure includes a pillar structure, a wheel house inner panel 3 and a wheel house outer panel 4, wherein the pillar structure is arranged between the wheel house inner panel 3 and the wheel house outer panel 4; the pillar structure includes a pillar inner panel 1 and a pillar reinforcement panel 2, wherein the pillar inner panel 1 is connected to the wheel house inner panel 3 along the Y direction, and the pillar reinforcement panel 2 is connected to the wheel house outer panel 4 along the Y direction; by adding the pillar inner panel 1, the first end of the pillar inner panel 1 is connected to the first end of the pillar reinforcement panel 2 along the Y direction, and the second end of the pillar inner panel 1 is connected to the second end of the pillar reinforcement panel 2 along the Y direction; the pillar inner panel 1 and the pillar reinforcement panel 2 cooperate to form a first cavity structure, which changes the cross-sectional shape of the pillar structure, and can meet the clearance requirement a from the pillar structure to the tire envelope and the forming angle requirement under the forming depth H. The forming depth H is short and the cross-section is expanded, so that the X-direction space S can be fully utilized, the anti-deformation ability is enhanced, the body stiffness and mode are ensured, the NVH performance of the whole vehicle is improved, and the vehicle side collision requirements are met.

[0042] In this example, the pillar structure of the C-pillar assembly structure is a C-pillar structure, the pillar inner panel 1 in the C-pillar structure is the C-pillar inner panel, and the pillar reinforcement plate 2 is the C-pillar reinforcement plate. By adding the C-pillar inner panel, the X-direction welding of the C-pillar reinforcement plate and the wheel house outer panel 4 is changed to the Y-direction welding of the C-pillar reinforcement plate and the C-pillar inner panel, so as to make full use of the space between the wheel house outer panel 4 and the tire envelope, and significantly increase the cross-sectional area of ​​the structure; at the same time, the forming depth H of the wheel house outer panel 4 is reduced, and the formability of the wheel house outer panel 4 is improved; at the same time, the cross-sectional area of ​​the C-pillar structure is significantly increased, and the deformation resistance of the rear door opening frame is improved, so that the NVH performance is improved; and the side collision requirements of the vehicle can be better met.

[0043] In one embodiment, referring to Figure 2 The pillar inner plate 1 includes a first inner plate body 11, a second inner plate body 12 and a third inner plate body 13 extending outward from both side edges of the first inner plate body 11 along the Y direction, a fourth inner plate body 14 extending forward from one side edge of the second inner plate body 12 along the X direction, and a fifth inner plate body 15 extending backward from one side edge of the third inner plate body 13 along the X direction; the pillar reinforcement plate 2 includes a first reinforcement plate body 21, a second reinforcement plate body 22 extending inward from both side edges of the first reinforcement plate body 21 along the Y direction, and The third reinforcing plate body 23, the fourth reinforcing plate body 24 extending forward along the X direction from one side edge of the second reinforcing plate body 22, and the fifth reinforcing plate body 25 extending backward along the X direction from one side edge of the third reinforcing plate body 23; the fourth inner plate body 14 is connected to the fourth reinforcing plate body 24 along the Y direction, the fifth inner plate body 15 is connected to the fifth reinforcing plate body 25 along the Y direction, one end of the wheel arch inner panel 3 is connected to the first inner panel body 11 along the Y direction; one end of the wheel arch outer panel 4 is connected to the first reinforcing plate body 21 along the Y direction.

[0044] As an example, the pillar inner panel 1 includes a first inner panel body 11, a second inner panel body 12, a third inner panel body 13, a fourth inner panel body 14 and a fifth inner panel body 15; the first inner panel body 11 is arranged along the X direction, the second inner panel body 12 and the third inner panel body 13 are respectively extended outward from the two side edges of the first inner panel body 11 along the Y direction, the fourth inner panel body 14 is extended forward from one side edge of the second inner panel body 12 along the X direction, and the fifth inner panel body 15 is extended backward from one side edge of the third inner panel body 13 along the X direction; the pillar reinforcement plate 2 includes a first reinforcement plate body 21, a second reinforcement plate body 22, a third reinforcement plate body 23, a fourth reinforcement plate body 24 and a fifth reinforcement plate body 25, the second reinforcement plate body 22 and the third reinforcement plate body 23 are respectively extended inward from the two side edges of the first reinforcement plate body 21 along the Y direction, the fourth reinforcement plate body 24 is The fifth reinforcement plate body 25 extends forward from one side edge of the second reinforcement plate body 22 along the X direction, and extends backward from one side edge of the third reinforcement plate body 23 along the X direction; the fourth inner plate body 14 is connected to the fourth reinforcement plate body 24 along the Y direction, and the fifth inner plate body 15 is connected to the fifth reinforcement plate body 25 along the Y direction. The pillar inner plate 1 and the pillar reinforcement plate 2 cooperate to form a first cavity structure, and one end of the wheel cover inner plate 3 is connected to the first inner plate body 11 along the Y direction; one end of the wheel cover outer plate 4 is connected to the first reinforcement plate body 21 along the Y direction. This arrangement changes the cross-sectional shape of the pillar structure, which can meet the gap requirement a from the pillar structure to the tire envelope and the molding angle requirement under the molding depth H. The molding depth H is short and the cross-section is expanded, so that the X-direction space S can be fully utilized, the deformation resistance is enhanced, the vehicle body stiffness and mode are guaranteed, the NVH performance of the whole vehicle is improved, and the vehicle side collision requirements are met.

[0045] In one embodiment, referring to Figure 2 The C-pillar assembly structure also includes a side outer panel 5; one end of the side outer panel 5 is connected to the pillar reinforcement plate 2 along the Y direction, and the other end of the side outer panel 5 is connected to the other end of the wheel house outer panel 4 along the Y direction. The side outer panel 5, the pillar reinforcement plate 2 and the wheel house outer panel 4 cooperate to form a second cavity structure.

[0046] As an example, the C-pillar assembly structure also includes a side outer panel 5; one end of the side outer panel 5 is connected to the pillar reinforcement plate 2 along the Y direction, and the other end of the side outer panel 5 is connected to the other end of the wheel arch outer panel 4 along the Y direction. The side outer panel 5, the pillar reinforcement plate 2 and the wheel arch outer panel 4 cooperate to form a second cavity structure. Compared with the existing pillar structure, the cross-sectional shape of the pillar structure is changed, which can meet the gap requirement a from the pillar structure to the tire envelope and the forming angle requirement under the forming depth H. The forming depth H is short and the cross-section is expanded, so that the X-direction space S can be fully utilized, the deformation resistance is enhanced, the vehicle body stiffness and mode are guaranteed, the NVH performance of the whole vehicle is improved, and the vehicle side collision requirements are met.

[0047] In one embodiment, referring to Figure 2 The wheel arch outer panel 4 includes a wheel arch outer panel body 41, a first edge 42 extending forward from one end of the wheel arch outer panel body 41 along the X-direction, and a second edge 43 extending backward from the other end of the wheel arch outer panel body 41 along the X-direction; the side outer panel 5 includes a side outer panel body 51, a third edge 52 extending forward from one end of the side outer panel body 51 along the X-direction, and a fourth edge 53 extending backward from the other end of the side outer panel body 51 along the X-direction; the first edge 42 is connected to the first reinforcing plate body 21 along the Y-direction, the second edge 43 is connected to the fourth edge 53, and the third edge 52 is connected to the fourth reinforcing plate body 24 along the Y-direction.

[0048] As an example, the wheel arch outer panel 4 includes a wheel arch outer panel body 41, a first edge package 42 and a second edge package 43; the wheel arch outer panel body 41 is inclined along the Y direction, the first edge package 42 is extended forward from one end of the wheel arch outer panel body 41 along the X direction, and the second edge package 43 is extended backward from the other end of the wheel arch outer panel body 41 along the X direction; the side outer panel 5 includes a side outer panel body 51, a third edge package 52 and a fourth edge package 53; the side outer panel body 51 is inclined along the Y direction, the third edge package 52 is extended forward from one end of the side outer panel body 51 along the X direction, and the fourth edge package 53 is extended backward from the other end of the side outer panel body 51 along the X direction The first edge 42 is connected to the first reinforcement plate body 21 along the Y direction, the second edge 43 is connected to the fourth edge 53, and the third edge 52 is connected to the fourth reinforcement plate body 24 along the Y direction. The side outer panel 5, the pillar reinforcement plate 2 and the wheel cover outer panel 4 cooperate to form a second cavity structure. Compared with the existing pillar structure, the cross-sectional shape of the pillar structure is changed, which can not only meet the gap requirement a from the pillar structure to the tire envelope and the forming angle requirement under the forming depth H, but also make full use of the X-direction space S, expand the cross-section, enhance the anti-deformation ability, ensure the body stiffness and mode, improve the NVH performance of the whole vehicle, and meet the vehicle side collision requirements.

[0049] In one embodiment, referring to Figure 2 The side outer panel body 51 includes a first body section 511, a second body section 512 extending inwardly along the Y direction from one end of the first body section 511, and a third body section 513 extending outwardly along the Y direction from the first body section 511; a third edge 52 extends from one end of the second body section 512, and a fourth edge 53 extends from one end of the third body section 513.

[0050] As an example, the side outer panel body 51 includes a first body section 511, a second body section 512 and a third body section 513; the first body section 511 is arranged along the X direction, the second body section 512 is extended inwardly along the Y direction from one end of the first body section 511, and the third body section 513 is extended outwardly along the Y direction from the first body section 511; a third edge 52 is extended from one end of the second body section 512, and a fourth edge 53 is extended from one end of the third body section 513. In this way, the side outer panel 5 is arranged in cooperation with the pillar reinforcement plate 2 and the wheel arch outer panel 4, and the cross-section of the second cavity structure formed is increased, the deformation resistance is enhanced, the vehicle body stiffness and mode are ensured, the NVH performance of the whole vehicle is improved, and the vehicle side collision requirements are met.

[0051] In one embodiment, referring to Figure 2 One end of the side outer panel 5 is connected to the pillar reinforcement plate 2 by spot welding, and the other end of the side outer panel 5 is connected to the other end of the wheel house outer panel 4 by spot welding.

[0052] As an example, one end of the side outer panel 5 is connected to the pillar reinforcement plate 2 by spot welding, and the other end of the side outer panel 5 is connected to the other end of the wheel arch outer panel 4 by spot welding; the spot welding connection method is simple and convenient, with multiple points and small area, which can ensure the reliability of the connection, avoid deformation of the workpiece, and improve installation efficiency.

[0053] An embodiment of the utility model provides an automobile, comprising a C-pillar assembly structure.

[0054] As an example, the C-pillar assembly structure includes a pillar structure, a wheel house inner panel 3 and a wheel house outer panel 4, wherein the pillar structure is arranged between the wheel house inner panel 3 and the wheel house outer panel 4; the pillar structure includes a pillar inner panel 1 and a pillar reinforcement panel 2, wherein the pillar inner panel 1 is connected to the wheel house inner panel 3 along the Y direction, and the pillar reinforcement panel 2 is connected to the wheel house outer panel 4 along the Y direction; by adding the pillar inner panel 1, the first end of the pillar inner panel 1 is connected to the first end of the pillar reinforcement panel 2 along the Y direction, and the second end of the pillar inner panel 1 is connected to the second end of the pillar reinforcement panel 2 along the Y direction; the pillar inner panel 1 and the pillar reinforcement panel 2 cooperate to form a first cavity structure, which changes the cross-sectional shape of the pillar structure, and can meet the clearance requirement a from the pillar structure to the tire envelope and the forming angle requirement under the forming depth H. The forming depth H is short and the cross-section is expanded, so that the X-direction space S can be fully utilized, the anti-deformation ability is enhanced, the body stiffness and mode are ensured, the NVH performance of the whole vehicle is improved, and the vehicle side collision requirements are met.

[0055] In this example, the pillar structure of the C-pillar assembly structure is a C-pillar structure, the pillar inner panel 1 in the C-pillar structure is the C-pillar inner panel, and the pillar reinforcement plate 2 is the C-pillar reinforcement plate. By adding the C-pillar inner panel, the X-direction welding of the C-pillar reinforcement plate and the wheel house outer panel 4 is changed to the Y-direction welding of the C-pillar reinforcement plate and the C-pillar inner panel, so as to make full use of the space between the wheel house outer panel 4 and the tire envelope, and significantly increase the cross-sectional area of ​​the structure; at the same time, the forming depth H of the wheel house outer panel 4 is reduced, and the formability of the wheel house outer panel 4 is improved; at the same time, the cross-sectional area of ​​the C-pillar structure is significantly increased, and the deformation resistance of the rear door opening frame is improved, so that the NVH performance is improved; and the side collision requirements of the vehicle can be better met.

[0056] The embodiments described above are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention, and should all be included in the protection scope of the present invention.

Claims

1. A column structure, characterized in that: It includes column inner plate and column reinforcement plate; The pillar inner plate comprises a first inner plate body, a second inner plate body and a third inner plate body extending outwardly along the Y direction from both side edges of the first inner plate body, a fourth inner plate body extending forward along the X direction from one side edge of the second inner plate body, and a fifth inner plate body extending backward along the X direction from one side edge of the third inner plate body; The column reinforcement plate includes a first reinforcement plate body, a second reinforcement plate body and a third reinforcement plate body extending inwardly along the Y direction from both side edges of the first reinforcement plate body, a fourth reinforcement plate body extending forward along the X direction from one side edge of the second reinforcement plate body, and a fifth reinforcement plate body extending backward along the X direction from one side edge of the third reinforcement plate body; The fourth inner plate body is connected to the fourth reinforcing plate body along the Y direction, and the fifth inner plate body is connected to the fifth reinforcing plate body along the Y direction; The pillar inner plate and the pillar reinforcement plate cooperate to form a first cavity structure.

2. The column structure according to claim 1, characterized in that: The fourth inner panel body and the fourth reinforcing panel body are connected by spot welding, and the fifth inner panel body and the fifth reinforcing panel body are connected by spot welding.

3. A C-pillar assembly structure, characterized in that: It comprises the pillar structure, the wheel house inner plate and the wheel house outer plate according to any one of claims 1 to 2; The pillar structure is arranged between the wheel house inner panel and the wheel house outer panel; The pillar structure includes a pillar inner plate and a pillar reinforcement plate. The pillar inner plate is connected to the wheel cover inner plate along the Y direction, and the pillar reinforcement plate is connected to the wheel cover outer plate along the Y direction.

4. The C-pillar assembly structure according to claim 3, characterized in that: The pillar inner plate comprises a first inner plate body, a second inner plate body and a third inner plate body extending outwardly along the Y direction from both side edges of the first inner plate body, a fourth inner plate body extending forward along the X direction from one side edge of the second inner plate body, and a fifth inner plate body extending backward along the X direction from one side edge of the third inner plate body; The column reinforcement plate includes a first reinforcement plate body, a second reinforcement plate body and a third reinforcement plate body extending inwardly along the Y direction from both side edges of the first reinforcement plate body, a fourth reinforcement plate body extending forward along the X direction from one side edge of the second reinforcement plate body, and a fifth reinforcement plate body extending backward along the X direction from one side edge of the third reinforcement plate body; The fourth inner panel body is connected to the fourth reinforcing panel body along the Y direction, the fifth inner panel body is connected to the fifth reinforcing panel body along the Y direction, one end of the wheel cover inner panel is connected to the first inner panel body along the Y direction; one end of the wheel cover outer panel is connected to the first reinforcing panel body along the Y direction.

5. The C-pillar assembly structure according to claim 4, characterized in that: The C-pillar assembly structure also includes a side outer panel; One end of the side outer panel is connected to the pillar reinforcement plate along the Y direction, and the other end of the side outer panel is connected to the other end of the wheel arch outer panel along the Y direction. The side outer panel, the pillar reinforcement plate and the wheel arch outer panel cooperate to form a second cavity structure.

6. The C-pillar assembly structure according to claim 5, characterized in that: The wheel house outer panel comprises a wheel house outer panel body, a first edge extending forward from one end of the wheel house outer panel body along the X direction, and a second edge extending backward from the other end of the wheel house outer panel body along the X direction; The side outer panel comprises a side outer panel body, a third edge extending forward from one end of the side outer panel body along the X direction, and a fourth edge extending backward from the other end of the side outer panel body along the X direction; The first edge binding is connected to the first reinforcing plate body along the Y direction, the second edge binding is connected to the fourth edge binding, and the third edge binding is connected to the fourth reinforcing plate body along the Y direction.

7. The C-pillar assembly structure according to claim 6, characterized in that: The side outer panel body comprises a first body section, a second body section extending obliquely inwardly from one end of the first body section along the Y direction, and a third body section extending obliquely outwardly from the first body section along the Y direction; One end of the second body segment extends out of the third edge, and one end of the third body segment extends out of the fourth edge.

8. The C-pillar assembly structure according to claim 6, characterized in that: One end of the side outer panel is connected to the pillar reinforcement plate by spot welding, and the other end of the side outer panel is connected to the other end of the wheel house outer panel by spot welding.

9. A car, characterized in that: It comprises the C-pillar assembly structure as described in any one of claims 3-7.

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