Column A connecting structure and automobile

Abstract

The utility model relates to the technical field of automobile body frameworks, in particular to an A column connecting structure and an automobile. The reinforcing plate (1) is respectively connected with an A column upper inner plate (2), an A column lower inner plate (201) and a connecting structure; the connecting structure is respectively connected with the A column upper inner plate (2) and the A column lower inner plate (201); the connecting structure can provide supporting in the Y direction and the Z direction in the cavity between the reinforcing plate and the A-column upper inner plate and the cavity between the reinforcing plate and the A-column lower inner plate, the torsional rigidity of the body-in-white can be greatly improved, and therefore the overall structural stability of the body-in-white is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile body frames, and in particular to an A-pillar connection structure and an automobile. Background Art

[0002] At present, the joints on the side A-pillars in the industry are all formed by overlapping the side outer panel, A-pillar reinforcement plate, and A-pillar inner panel to form a closed chamber with two cavities. One is the closed chamber between the outer panel and the reinforcement plate, and the other is the closed chamber between the reinforcement plate and the inner panel. They cannot be connected by welding points, and are mostly connected by two-protection welding. In addition, there is no support in the Y direction inside the two cavities, and they rely entirely on the welding edges at the two end positions to connect, which affects the torsional stiffness of the white body.

[0003] After searching, the applicant found that the Chinese patent document with publication number 219601397U disclosed a car body pillar reinforcement structure on August 29, 2023, which includes a main body panel and a reinforcement plate installed on one side of the main body panel, and the main body panel includes a first plate section for connecting to the side beam reinforcement plate of the car and a second plate section for connecting to the rocker beam of the car, wherein the tensile strength of the second plate section is less than the tensile strength of the first plate section; this device also cannot solve the above technical problems.

[0004] Therefore, in order to improve or solve at least one of the above problems, it is necessary to optimize the existing automobile A-pillar connection structure. Utility Model Content

[0005] The purpose of the utility model is to provide an A-pillar connection structure and a car which can provide support in a reinforcement plate and an inner plate cavity of a car and enhance the torsional strength of a car body in white.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: an A-pillar connection structure, including a reinforcement plate; the reinforcement plate is respectively connected to the A-pillar upper inner plate, the A-pillar lower inner plate and the connection structure; the connection structure is respectively connected to the A-pillar upper inner plate and the A-pillar lower inner plate.

[0007] The reinforcing plate includes a first bending section, a second bending section and a third bending section; the connecting structure includes a bracket; and the bracket is connected to the first bending section, the second bending section and the third bending section respectively.

[0008] The bracket includes a first bracket bending section, a second bracket bending section and a third bracket bending section; the first bracket bending section is connected to the first bending section; the second bracket bending section is connected to the second bending section; and the third bracket bending section is connected to the third bending section.

[0009] The bracket includes a bracket connecting section; the bracket connecting section is arranged at one end of the third bracket bending section away from the second bending section; the bracket connecting section is respectively connected to the A-pillar upper inner panel and the A-pillar lower inner panel.

[0010] The upper inner panel of the A-pillar includes an upper inner panel connecting section; the lower inner panel of the A-pillar includes a lower inner panel connecting section; a mounting hole is provided on the bracket connecting section; a connecting bolt is provided in the mounting hole; the connecting bolt is respectively connected to the upper inner panel connecting section and the lower inner panel connecting section.

[0011] The connecting bolt includes a nut and a screw; the screw is connected to a nut; the screw is arranged in the mounting hole and is arranged between the upper inner plate connecting section and the lower inner plate connecting section; the nut is arranged on a side of the upper inner plate connecting section and the lower inner plate connecting section away from the bracket connecting section;

[0012] The nut and the screw nut press the end of the upper inner plate connecting section and the end of the lower inner plate connecting section to the bracket connecting section.

[0013] The first bracket bending section is welded to the first bending section; the second bracket bending section is welded to the second bending section; and the third bracket bending section is welded to the third bending section.

[0014] An automobile comprises the A-pillar connection structure and side outer panels; the side outer panels are connected to the reinforcement plate.

[0015] The two ends of the reinforcing plate are respectively provided with a first connecting section and a second connecting section; the two ends of the side outer panel are respectively provided with an outer panel connecting section; the outer panel connecting section is respectively connected to the first connecting section and the second connecting section;

[0016] One end of the upper inner panel connecting section is connected to the upper inner panel bending section; one end of the lower inner panel connecting section is connected to the lower inner panel bending section; the upper inner panel bending section is connected to the side of the first connecting section away from the outer panel connecting section; the lower inner panel bending section is connected to the side of the second connecting section away from the outer panel connecting section.

[0017] A first cavity is provided between the reinforcing plate and the side panel outer plate; a second cavity is provided between the reinforcing plate and the A-pillar upper inner plate and the A-pillar lower inner plate; and the bracket is provided in the second cavity.

[0018] The beneficial effects of this application are:

[0019] A first cavity is provided between the reinforcing plate and the side panel outer panel of the present application; a second cavity is provided between the reinforcing plate and the upper inner panel of the A-pillar and the lower inner panel of the A-pillar; the bracket is provided in the second cavity; the first bracket bending section, the second bracket bending section and the second bracket bending section of the bracket are respectively welded to the first bending section, the second bending section and the third bending section of the reinforcing plate; and the bracket connecting section of the bracket is simultaneously fixedly connected to the upper inner panel connecting section of the upper inner panel of the A-pillar and the lower inner panel connecting section of the lower inner panel of the A-pillar by bolts; thereby, the bracket can form support in both Y / Z directions in the second cavity, which can greatly improve the torsional stiffness of the body-in-white; at the same time, the bracket is connected to the reinforcing plate by spot welding, and is connected to the upper and lower inner panels of the A-pillar by bolts instead of two-way welding, and the production cycle and connection performance are better than two-way welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings, wherein:

[0021] Figure 1 This is a schematic diagram of the A-pillar connection structure and the car's structure.

[0022] Figure 2 This is a cross-sectional view of the A-pillar connection structure and the car.

[0023] The marks in the above figure are:

[0024] The following are marked in the figure:

[0025] 1. Reinforcement plate, 101. First bending section, 102. Second bending section, 103. Third bending section, 104. First connecting section, 105. Second connecting section,

[0026] 2. A-pillar upper inner panel, 201. A-pillar lower inner panel, 202. Upper inner panel connecting section, 203. Lower inner panel connecting section, 204. Upper inner panel bending section, 205. Lower inner panel bending section,

[0027] 3. Bracket, 301. First bracket bending section, 302. Second bracket bending section, 303. Third bracket bending section, 304. Bracket connecting section, 305. Mounting hole,

[0028] 4. Connecting bolt, 401, nut, 402, screw, 403, nut,

[0029] 5. Side outer panel, 501, outer panel connection section,

[0030] 6. First cavity, 601. Second cavity. DETAILED DESCRIPTION

[0031] The following is a further detailed description of the specific implementation methods of the present invention by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and to facilitate its implementation.

[0032] Figure 1 The A-pillar connection structure shown includes a reinforcement plate 1; the reinforcement plate 1 is respectively connected to the A-pillar upper inner plate 2, the A-pillar lower inner plate 201 and the connection structure; the connection structure is respectively connected to the A-pillar upper inner plate 2 and the A-pillar lower inner plate 201.

[0033] The connection structure can provide support in both Y and Z directions in the cavity between the reinforcing plate 1 and the A-pillar upper inner panel 2 and the A-pillar lower inner panel 201, which can greatly improve the torsional stiffness of the body-in-white, thereby improving the overall structural stability of the body-in-white.

[0034] The reinforcing plate 1 includes a first bending section 101 , a second bending section 102 and a third bending section 103 ; the connecting structure includes a bracket 3 ; the bracket 3 is connected to the first bending section 101 , the second bending section 102 and the third bending section 103 respectively.

[0035] The reinforcing plate 1 includes a multi-section bending structure; the bracket 3 is spot-welded to the first bending section 101, the second bending section 102 and the third bending section 103 of the reinforcing plate 1, respectively, thereby achieving a fixed connection between the bracket 3 and the reinforcing plate 1.

[0036] The bracket 3 includes a first bracket bending section 301 , a second bracket bending section 302 and a third bracket bending section 303 ; the first bracket bending section 301 is connected to the first bending section 101 ; the second bracket bending section 302 is connected to the second bending section 102 ; and the third bracket bending section 303 is connected to the third bending section 103 .

[0037] The first bracket bending section 301 is fixedly connected to the first bending section 101, the second bracket bending section 302 is fixedly connected to the second bending section 102, and the third bracket bending section 303 is fixedly connected to the third bending section 103; thereby, the bracket 3 can effectively support the bending sections of the reinforcing plate 1.

[0038] The bracket 3 includes a bracket connecting section 304 ; the bracket connecting section 304 is provided at one end of the third bracket bending section 303 away from the second bending section 102 ; the bracket connecting section 304 is connected to the A-pillar upper inner panel 2 and the A-pillar lower inner panel 201 respectively.

[0039] The bracket connecting section 304 is fixedly connected to the A-pillar upper inner panel 2 and the A-pillar lower inner panel 201 at the same time; while achieving the fixed connection between the bracket 3 and the A-pillar upper inner panel 2 and the A-pillar lower inner panel 201, it can also achieve a fixed connection between the A-pillar upper inner panel 2 and the A-pillar lower inner panel 201.

[0040] The A-pillar upper inner panel 2 includes an upper inner panel connecting section 202; the A-pillar lower inner panel 201 includes a lower inner panel connecting section 203; a mounting hole 305 is provided on the bracket connecting section 304; a connecting bolt 4 is provided in the mounting hole 305; the connecting bolt 4 is respectively connected to the upper inner panel connecting section 202 and the lower inner panel connecting section 203.

[0041] The connecting bolts 4 simultaneously press the upper inner panel connecting section 202 and the lower inner panel connecting section 203 onto the top surface of the bracket connecting section 304 , thereby achieving a stable connection between the A-pillar upper inner panel 2 , the A-pillar lower inner panel 201 and the bracket 3 .

[0042] The connecting bolt 4 includes a nut 401 and a screw rod 402; a nut 403 is connected to the screw rod 402; the screw rod 402 is disposed in the mounting hole 305 and is disposed between the upper inner plate connecting section 202 and the lower inner plate connecting section 203; the nut 401 is disposed on the side of the upper inner plate connecting section 202 and the lower inner plate connecting section 203 away from the bracket connecting section 304;

[0043] The nut 401 and the nut 403 press the end of the upper inner plate connecting section 202 and the end of the lower inner plate connecting section 203 to the bracket connecting section 304 .

[0044] Tighten the nut 403, the nut 403 and the nut 401 can press the end of the upper inner plate connecting section 202, the end of the lower inner plate connecting section 203 and the bracket connecting section 304; realize a stable connection between the upper inner plate connecting section 202, the lower inner plate connecting section 203 and the bracket connecting section 304; at the same time, realize a stable connection between the upper inner plate connecting section 202 and the lower inner plate connecting section 203. Compared with the traditional two-weld connection, the bolt connection has a higher connection structure stability between the two and is convenient for the installation and disassembly of the three.

[0045] The first bracket bending section 301 is welded to the first bending section 101 ; the second bracket bending section 302 is welded to the second bending section 102 ; and the third bracket bending section 303 is welded to the third bending section 103 .

[0046] The supporting points are welded at various locations, and the connection structure has high strength, which can achieve stable connection while being able to withstand large loads; while ensuring product quality, it can reduce production costs.

[0047] An automobile includes an A-pillar connection structure and a side outer panel 5; the side outer panel 5 is connected to a reinforcement panel 1.

[0048] The side outer panel 5 is provided on a side of the reinforcing plate 1 away from the A-pillar upper inner panel 2 and the A-pillar lower inner panel 201 ; the side outer panel 5 is fixedly connected to the reinforcing plate 1 .

[0049] The two ends of the reinforcing plate 1 are respectively provided with a first connecting section 104 and a second connecting section 105; the two ends of the side outer panel 5 are respectively provided with an outer panel connecting section 501; the outer panel connecting section 501 is respectively connected to the first connecting section 104 and the second connecting section 105;

[0050] One end of the upper inner panel connecting section 202 is connected to the upper inner panel bending section 204; one end of the lower inner panel connecting section 203 is connected to the lower inner panel bending section 205; the upper inner panel bending section 204 is connected to the side of the first connecting section 104 away from the outer panel connecting section 501; the lower inner panel bending section 205 is connected to the side of the second connecting section 105 away from the outer panel connecting section 501.

[0051] Both ends of the side outer panel 5 are provided with an outer panel connecting section 501; the outer panel connecting section 501 is welded to the first connecting section 104 and the second connecting section 105; the upper inner panel bending section 204 and the upper inner panel connecting section 202 are an integral structure, and the upper inner panel bending section 204 is welded to the first connecting section 104; the lower inner panel bending section 205 and the lower inner panel connecting section 203 are an integral structure, and the lower inner panel bending section 205 is welded to the second connecting section 105.

[0052] A first cavity 6 is provided between the reinforcing plate 1 and the side outer panel 5 ; a second cavity 601 is provided between the reinforcing plate 1 and the A-pillar upper inner panel 2 and the A-pillar lower inner panel 201 ; and the bracket 3 is provided in the second cavity 601 .

[0053] The bracket 3 is fixedly connected in the second cavity 601 , thereby providing support in both Y and Z directions and greatly improving the torsional rigidity of the body-in-white.

[0054] The specific workflow of this utility model is as follows:

[0055] Spot weld the first bracket bending section 301, the second bracket bending section 302 and the third bracket bending section 303 of the bracket 3 to the first bending section 101, the second bending section 102 and the third bending section 103 of the reinforcement plate 1 respectively; weld the side outer panel 5 to the reinforcement plate 1; weld the A-pillar upper inner panel 2 and the A-pillar lower inner panel 201 respectively; connect the A-pillar upper inner panel 2, the A-pillar lower inner panel 201 and the bracket 3 with the connecting bolts 4.

[0056] The above description of the present invention is provided as an example, in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described method. Any non-substantial improvements made using the method concepts and technical solutions of the present invention, or any application of the above-described concepts and technical solutions of the present invention to other situations without modification, are all within the scope of protection of the present invention.

Claims

1. An A-pillar connection structure, characterized in that: It comprises a reinforcing plate (1); the reinforcing plate (1) is respectively connected to an A-pillar upper inner plate (2), an A-pillar lower inner plate (201) and a connecting structure; the connecting structure is respectively connected to the A-pillar upper inner plate (2) and the A-pillar lower inner plate (201); The reinforcing plate (1) comprises a first bending section (101), a second bending section (102) and a third bending section (103); the connecting structure comprises a bracket (3); the bracket (3) is respectively connected to the first bending section (101), the second bending section (102) and the third bending section (103); The bracket (3) comprises a first bracket bending section (301), a second bracket bending section (302) and a third bracket bending section (303); the first bracket bending section (301) is connected to the first bending section (101); the second bracket bending section (302) is connected to the second bending section (102); the third bracket bending section (303) is connected to the third bending section (103); The bracket (3) comprises a bracket connecting section (304); the bracket connecting section (304) is arranged at one end of the third bracket bending section (303) away from the second bending section (102); the bracket connecting section (304) is respectively connected to the A-pillar upper inner panel (2) and the A-pillar lower inner panel (201).

2. The A-pillar connection structure according to claim 1, characterized in that: The A-pillar upper inner plate (2) includes an upper inner plate connecting section (202); the A-pillar lower inner plate (201) includes a lower inner plate connecting section (203); a mounting hole (305) is provided on the bracket connecting section (304); a connecting bolt (4) is provided in the mounting hole (305); the connecting bolt (4) is respectively connected to the upper inner plate connecting section (202) and the lower inner plate connecting section (203).

3. The A-pillar connection structure according to claim 2, characterized in that: The connecting bolt (4) comprises a nut (401) and a screw rod (402); a nut (403) is connected to the screw rod (402); the screw rod (402) is arranged in the mounting hole (305) and between the upper inner plate connecting section (202) and the lower inner plate connecting section (203); the nut (401) is arranged on a side of the upper inner plate connecting section (202) and the lower inner plate connecting section (203) away from the bracket connecting section (304); The nut (401) and the nut (403) press the end of the upper inner plate connecting section (202) and the end of the lower inner plate connecting section (203) against the bracket connecting section (304).

4. The A-pillar connection structure according to any one of claims 1 to 3, characterized in that: The first bracket bending section (301) is welded to the first bending section (101); the second bracket bending section (302) is welded to the second bending section (102); and the third bracket bending section (303) is welded to the third bending section (103).

5. An automobile, comprising the A-pillar connection structure according to any one of claims 1 to 4, characterized in that: It also includes a side outer panel (5); the side outer panel (5) is connected to the reinforcing plate (1).

6. The automobile according to claim 5, characterized in that: The two ends of the reinforcing plate (1) are respectively provided with a first connecting section (104) and a second connecting section (105); the two ends of the side outer panel (5) are respectively provided with an outer panel connecting section (501); the outer panel connecting section (501) is respectively connected to the first connecting section (104) and the second connecting section (105); One end of the upper inner plate connecting section (202) is connected to the upper inner plate bending section (204); one end of the lower inner plate connecting section (203) is connected to the lower inner plate bending section (205); the upper inner plate bending section (204) is connected to the side of the first connecting section (104) away from the outer plate connecting section (501); and the lower inner plate bending section (205) is connected to the side of the second connecting section (105) away from the outer plate connecting section (501).

7. A vehicle according to any one of claims 5-6, characterized in that: A first cavity (6) is provided between the reinforcing plate (1) and the side outer plate (5); a second cavity (601) is provided between the reinforcing plate (1) and the A-pillar upper inner plate (2) and the A-pillar lower inner plate (201); and the bracket (3) is provided in the second cavity (601).

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