Lightweight automobile chassis structure

Abstract

The utility model relates to the technical field of automobile chassis structures, in particular to a lightweight automobile chassis structure, which comprises a front cross beam, two middle protective beams and two rear protective beams, and is characterized in that a middle reinforcing beam is fixedly connected between the two middle protective beams, and two ends of the middle reinforcing beam are fixedly connected with connecting beams; the included angle between the connecting beams and the middle reinforcing beam is an acute angle, the ends, away from the middle reinforcing beam, of the two connecting beams are fixedly connected with extension beams, the included angle between the extension beams and the connecting beams is an obtuse angle, and the extension beams and the middle protective beam are arranged in parallel. The automobile chassis has the advantages that the stability of connection between the automobile chassis is improved through the rhombic reinforcing beams, an automobile is more stable in the running process, the automobile chassis is lightened through aluminum profile castings, the structure of the automobile chassis is more stable while the automobile chassis is lightened through the structure, and the service life of the automobile chassis is prolonged. And enough strength can be kept during use.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile chassis structures, in particular to a lightweight automobile chassis structure. Background Art

[0002] As energy consumption increases year by year, new energy vehicles are becoming a hot topic in automotive research. Vigorously developing new energy vehicles is necessary to achieve energy security, environmental protection and the leapfrog and sustainable development of China's automobile industry.

[0003] Most of today's car floors are cast from steel structures, which are heavy and increase the weight and burden of the car, which is not conducive to the requirements of energy conservation and emission reduction of the car, and is not conducive to the car's own endurance.

[0004] In this regard, the utility model proposes a lightweight automobile chassis structure to solve the problem. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] Therefore, one purpose of the present invention is to provide a lightweight automobile chassis structure to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a lightweight automobile chassis structure, including a front cross beam, two middle protection beams and two rear protection beams, the two middle protection beams are fixedly connected to the corresponding rear protection beams, and are characterized in that: a middle reinforcement beam is fixedly connected between the two middle protection beams, both ends of the middle reinforcement beam are fixedly connected with connecting beams, the angle between the connecting beam and the middle reinforcement beam is an acute angle, one end of the two connecting beams away from the middle reinforcement beam is fixedly connected with an extension beam, the angle between the extension beam and the connecting beam is an obtuse angle, the extension beam is arranged parallel to the middle protection beam, a fixing plate is fixedly connected between the two extension beams, two support beams are fixedly connected between the two extension beams and the corresponding middle protection beams, and the support beams and the extension beams are perpendicular to each other.

[0008] Preferably, any of the above schemes is that a fixed beam is fixedly connected above the two middle protection beams, one side of the fixed beam is fixedly connected to the connecting beam and the fixed plate, a diamond-shaped reinforcement beam is fixedly connected to the side symmetrical between the fixed beam and the connecting beam, a U-shaped support rib is fixedly connected to the side symmetrical between the diamond-shaped reinforcement beam and the fixed beam, and the middle cross beam is fixedly connected to both ends of the diamond-shaped reinforcement beam corresponding to the middle protection beam.

[0009] Preferably, in any of the above schemes, a reinforcing plate is fixedly connected to the top of the connection between the diamond-shaped reinforcing beam and the fixed beam with a second reinforcing plate, and both ends of the diamond-shaped reinforcing beam corresponding to the middle protective beam are fixedly connected to a third reinforcing plate.

[0010] Preferably, any of the above schemes has a front protective beam fixedly connected to both ends of the front cross beam, the front protective beam is fixedly connected to the corresponding middle protective beam, a front reinforcing beam is fixedly connected between the two front protective beams, the front reinforcing beam is trapezoidal, and the front reinforcing beam is arranged parallel to the middle reinforcing beam.

[0011] Preferably, any of the above schemes is that a reinforcing rib is fixedly connected between the two rear protective beams, reinforcing blocks are fixedly connected at the four corners of the reinforcing rib, the four reinforcing blocks are fixedly connected to the corresponding rear protective beams, one end of the two rear protective beams is fixedly connected to the rear cross beam, a cylindrical support beam is fixedly connected between the two rear protective beams, and the cylindrical support beam is located between the reinforcing rib and the rear cross beam.

[0012] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0013] The present invention adopts aluminum alloy castings to meet the characteristics of strength and lightness of automobile chassis, strengthens the firmness of automobile floor through connecting beams, extension beams, fixing plates and supporting beams, the connection between connecting beams, extension beams, fixing plates and supporting beams is set at an angle, increases the strength of automobile floor through the stability of triangle, increases the stability of connection between automobile chassis through diamond-shaped reinforcement beams, makes the automobile more stable during driving, and makes the automobile lighter through the aluminum profile castings. The above structure makes the automobile chassis lighter and makes the structure of the automobile chassis more stable, and can maintain sufficient strength during use.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0016] Figure 1 It is a schematic diagram of the top view structure according to the utility model;

[0017] Figure 2 It is a structural schematic diagram of one side according to the utility model.

[0018] In the figure: 1-front cross beam, 101-front protective beam, 102-front reinforcing beam, 2-middle protective beam, 201-middle reinforcing beam, 202-connecting beam, 203-extension beam, 204-fixing plate, 205-support beam, 206-fixing beam, 207-diamond reinforcement beam, 3-rear protective beam, 301-reinforcement rib, 302-reinforcement block, 303-rear cross beam, 4-first reinforcement plate, 401-second reinforcement plate, 402-third reinforcement plate. DETAILED DESCRIPTION

[0019] like Figure 1 to Figure 2 As shown, a lightweight automobile chassis structure comprises a front crossbeam 1, two middle protection beams 2 and two rear protection beams 3, the two middle protection beams 2 are fixedly connected to the corresponding rear protection beams 3, a middle reinforcement beam 201 is fixedly connected between the two middle protection beams 2, both ends of the middle reinforcement beam 201 are fixedly connected with connecting beams 202, the angle between the connecting beam 202 and the middle reinforcement beam 201 is an acute angle, an angle is set between the connecting beam 202 and the reinforcement beam 201, the stability of the connection between the two is increased by the angle, the ends of the two connecting beams 202 away from the middle reinforcement beam 201 are fixedly connected with extension beams 203, the angle between the extension beam 203 and the connecting beam 202 is Obtuse angle, the extension beam 203 is arranged parallel to the middle protection beam 202, and a fixing plate 204 is fixedly connected between the two extension beams 203, and the two extension beams 203 are connected by the fixing plate 204, and the connecting beam 203 and the extension beam 203 are in a triangular structure, so the extension beam 203 and the connecting beam 202 are connected more stably and safely, and two support beams 205 are fixedly connected between the two extension beams 203 and the corresponding middle protection beam 2, and the support beam 205 and the extension beam 203 are perpendicular to each other. The support beam 205, the extension beam 203 and the middle protection beam 2 form an I-shaped structure, and the I-shaped structure can increase the strength and stability of the automobile chassis.

[0020] A fixed beam 206 is fixedly connected above the two middle protection beams 2. The fixed beam 206 increases the stability of the middle part of the automobile chassis. One side of the fixed beam 206 is fixedly connected to the connecting beam 202 and the fixed plate 204. The fixed beam 206 is fixedly connected to a diamond reinforcement beam 207 on a side symmetrical to the connecting beam 202. The diamond reinforcement beam 207 increases the stability between the middle protection beams 2. The diamond reinforcement beam 207 increases the stability between each middle protection beam 2 in the coming year. The diamond reinforcement beam 207 is fixedly connected to a U-shaped supporting rib 208 on a side symmetrical to the fixed beam 206. The diamond reinforcement beam 207 is fixedly connected to a middle cross beam 209 at both ends of the middle protection beam 2. The middle cross beam 209 divides the diamond reinforcement beam 207 into two equal triangles. The triangle has stability and can better support the two protection beams 2. The U-shaped supporting rib 208 strengthens the stability of the diamond reinforcement beam 207.

[0021] The top and bottom of the connection between the middle reinforcement beam 201 and the connecting beam 202 are fixedly connected with the first reinforcement plate 4, the top of the connection between the diamond reinforcement beam 207 and the fixed beam 206 is fixedly connected with the second reinforcement plate 401, and the two ends of the diamond reinforcement beam 207 corresponding to the middle protection beam 2 are fixedly connected with the third reinforcement plate 402. The first reinforcement plate 4, the second reinforcement plate 401 and the third reinforcement plate 402 in the present invention reinforce the connection of the above structures, increase the stability of the connection between each component, and make the car more stable during driving.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] The present invention adopts aluminum alloy castings to meet the characteristics of strength and lightness of the automobile chassis, and strengthens the firmness of the automobile floor through the connecting beam 202, the extension beam 203, the fixing plate 204 and the support beam 205. The connection between the connecting beam 202, the extension beam 203, the fixing plate 204 and the support beam 205 is set at an angle, and the stability of the triangle increases the strength of the automobile floor, and the diamond reinforcement beam 207 increases the stability of the connection between the automobile chassis, so that the car is more stable during driving. The present invention makes the automobile chassis lightweight by adopting aluminum profile castings. The above structure makes the automobile chassis lightweight while making the structure of the automobile chassis more stable, and it can also maintain sufficient strength during use.

Claims

1. A lightweight automobile chassis structure, comprising a front crossbeam (1), two middle protection beams (2) and two rear protection beams (3), wherein the two middle protection beams (2) are fixedly connected to the corresponding rear protection beams (3), characterized in that: A central reinforcement beam (201) is fixedly connected between the two central protection beams (2), both ends of the central reinforcement beam (201) are fixedly connected with connection beams (202), the angle between the connection beam (202) and the central reinforcement beam (201) is an acute angle, one end of the two connection beams (202) away from the central reinforcement beam (201) is fixedly connected with an extension beam (203), the angle between the extension beam (203) and the connection beam (202) is an obtuse angle, the extension beam (203) and the central protection beam (2) are arranged in parallel, a fixing plate (204) is fixedly connected between the two extension beams (203), and two support beams (205) are fixedly connected between the two extension beams (203) and the corresponding central protection beams (2), and the support beam (205) and the extension beam (203) are perpendicular to each other.

2. A lightweight automobile chassis structure according to claim 1, characterized in that: A fixed beam (206) is fixedly connected above the two middle protection beams (2), one side of the fixed beam (206) is fixedly connected to the connecting beam (202) and the fixed plate (204), a diamond-shaped reinforcement beam (207) is fixedly connected to the side of the fixed beam (206) symmetrical to the connecting beam (202), a U-shaped support rib (208) is fixedly connected to the side of the diamond-shaped reinforcement beam (207) symmetrical to the fixed beam (206), and a middle cross beam (209) is fixedly connected to the two ends of the diamond-shaped reinforcement beam (207) corresponding to the middle protection beam (2).

3. A lightweight automobile chassis structure according to claim 2, characterized in that: The top and bottom of the connection between the middle reinforcement beam (201) and the connecting beam (202) are fixedly connected with a first reinforcement plate (4), the top of the connection between the diamond-shaped reinforcement beam (207) and the fixed beam (206) is fixedly connected with a second reinforcement plate (401), and the two ends of the diamond-shaped reinforcement beam (207) corresponding to the middle protection beam (2) are fixedly connected with a third reinforcement plate (402).

4. A lightweight automobile chassis structure according to claim 3, characterized in that: A front protection beam (101) is fixedly connected to both ends of the front cross beam (1), the front protection beam (101) is fixedly connected to the corresponding middle protection beam (2), a front reinforcement beam (102) is fixedly connected between the two front protection beams (101), the front reinforcement beam (102) is trapezoidal, and the front reinforcement beam (102) is arranged in parallel with the middle reinforcement beam (201).

5. A lightweight automobile chassis structure according to claim 4, characterized in that: A reinforcing rib (301) is fixedly connected between the two rear protective beams (3), and reinforcing blocks (302) are fixedly connected at the four corners of the reinforcing rib (301). The four reinforcing blocks (302) are fixedly connected to the corresponding rear protective beams 3. One end of the two rear protective beams (3) is fixedly connected to a rear cross beam (303). A cylindrical support beam (304) is fixedly connected between the two rear protective beams (3), and the cylindrical support beam (304) is located between the reinforcing rib (301) and the rear cross beam (303).

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