Automobile back frame assembly

Abstract

The utility model discloses an automobile back frame assembly which comprises a frame module, and the frame module comprises an installation frame and a plurality of battery pack installation units arranged in the installation frame. The mounting frame is mounted in a vehicle body through the mounting base, and the mounting frame is connected with the mounting base through a connecting plate; a reinforcing supporting plate is arranged between the bottom of the mounting frame and the side wall of the mounting base; a charging port bracket is arranged at the bottom of one side of the mounting frame; according to the back frame assembly, the mounting frame and the mounting base are connected through the connecting plate, the reinforcing supporting plate is further arranged between the mounting frame and the mounting base, the supporting strength of the back frame assembly is improved, and the supporting strength of the mounting frame is enhanced through the corner supports, the inclined supports and other components; and the stability of the connection between the back frame assembly and the frame is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, in particular to an automobile back frame assembly. Background Art

[0002] The rear frame assembly of a car is an important structural component at the rear of the car, mainly used to support and fix the battery pack. However, the current rear frame assembly has a simple structure, mostly welded with square steel tubes. It is heavy, the connection with the frame is not stable enough, the support strength and rigidity are low, the durability and safety are poor. Moreover, when the rear frame assembly is currently assembled with battery packs, the contact between the battery packs is relatively close, the ventilation and heat dissipation effect is poor, and heat dissipation through a water-cooling structure is more resource-consuming and will also increase costs. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a car back frame assembly, which can improve the supporting strength of the back frame assembly itself and ensure the stability of the connection between the back frame assembly and the vehicle frame.

[0004] In order to solve the above technical problems, the technical solutions adopted by the present invention are as follows.

[0005] A car rear frame assembly includes a frame module, which includes a mounting frame and a plurality of battery pack mounting units arranged in the mounting frame; the mounting frame is installed in the vehicle body through a mounting base, and the mounting frame and the mounting base are connected by a connecting plate; a reinforcing support plate is provided between the bottom of the mounting frame and the side wall of the mounting base; and a charging port bracket is provided at the bottom of one side of the mounting frame.

[0006] In the above-mentioned automobile rear frame assembly, the size of the battery pack mounting unit is larger than the size of the battery pack, and a ventilation and heat dissipation channel is formed between adjacent battery packs.

[0007] The above-mentioned automobile back frame assembly, the mounting frame is a square frame composed of several rectangular steel beams, and cross-arranged diagonal braces are respectively arranged between the adjacent vertical steel beams on the front and rear sides of the mounting frame. Reinforcement plates are provided at the intersection of the diagonal braces, and the upper and lower parts of the two diagonal braces are respectively connected by support rods.

[0008] In the above-mentioned automobile rear frame assembly, the battery pack mounting unit includes a first support beam and a second support beam for supporting the battery pack, wherein the first support beam is installed between adjacent vertical steel beams in the front and rear directions and is evenly distributed, and the second support beam is installed between the ends of adjacent first support beams in the left and right directions; the two first support beams and two second support beams located at the bottom, the two first support beams and two second support beams located at the top, and the vertical steel beams connecting the upper and lower corresponding first support beams form a square structure for accommodating the battery pack.

[0009] In the above-mentioned automobile back frame assembly, a battery pack support frame for mounting the battery pack is symmetrically arranged on the first support beam.

[0010] In the above-mentioned automobile back frame assembly, an angle support is provided at the connection between the vertical steel beam and the first support beam.

[0011] In the above-mentioned automobile back frame assembly, the mounting frame is provided with a plurality of wire harness brackets for arranging the wire harnesses.

[0012] In the above-mentioned automobile back frame assembly, the mounting frame is further provided with a charging cable fixing bracket and an expansion water tank bracket.

[0013] Due to the adoption of the above technical solution, the technical progress achieved by the present invention is as follows.

[0014] The utility model provides a car back frame assembly, which connects the mounting frame and the mounting base by arranging a connecting plate, and further arranges a reinforcing support plate between the mounting frame and the mounting base, thereby improving the supporting strength of the back frame assembly. The supporting strength of the mounting frame is further enhanced by arranging components such as corner supports and diagonal supports, thereby improving the stability of the connection between the back frame assembly and the vehicle frame.

[0015] The utility model designs the battery pack mounting unit into a square structure that is larger than the battery pack size, so that ventilation and heat dissipation channels are formed between adjacent battery packs, which facilitates air circulation and heat dissipation, avoids heat dissipation only through the water cooling structure, enhances the working strength of the water cooling mechanism, and reduces costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the specific structure of the utility model;

[0017] Figure 2 This is the main view of the utility model;

[0018] Figure 3 It is a left view of the utility model;

[0019] Figure 4 This is a schematic diagram of the specific structure of the frame module of the present invention.

[0020] Among them: 1. Mounting frame, 2. Mounting base, 3. Reinforced support plate, 4. First support beam, 5. Second support beam, 6. Diagonal brace, 7. Reinforcement plate, 8. Support link, 9. Charging port bracket, 10. Wiring harness bracket, 11. Expansion tank bracket, 12. Connecting plate, 13. Angle support, 14. Charging cable fixing bracket, 15. Battery pack support bracket. DETAILED DESCRIPTION

[0021] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0022] A car back frame assembly, such as Figures 1 to 4 As shown, it includes a frame module and a mounting base 2 . The frame module is installed in the vehicle body through the mounting base 2 . The frame module and the mounting base 2 are connected via a connecting plate 12 .

[0023] The frame module includes a mounting frame 1 and a plurality of battery pack mounting units arranged in the mounting frame 1 .

[0024] Specifically, the connecting plate 12 is respectively mounted on the side wall of the mounting base 2 and the mounting frame 1 through a bolt assembly to ensure the stability of the connection between the mounting frame and the mounting base.

[0025] A reinforcing support plate 3 is provided between the bottom of the mounting frame 1 and the side wall of the mounting base 2. Figure 2 As shown, the supporting stability of the installation frame can be enhanced.

[0026] like Figure 3 As shown, a charging port bracket 9 is provided at the bottom of one side of the mounting frame 1 to facilitate the assembly of the charging port.

[0027] The installation frame 1 is a square frame composed of several rectangular steel beams, such as Figure 4 As shown, cross-arranged diagonal braces 6 are respectively arranged between the adjacent vertical steel beams on the front and rear sides of the installation frame 1, and reinforcement plates 7 are provided at the intersections of the diagonal braces 6. The upper and lower parts of the two diagonal braces 6 are respectively connected by support links 8. The support strength of the installation frame 1 itself is enhanced by arranging the diagonal braces 6, reinforcement plates 7 and support links 8.

[0028] The battery pack installation unit includes a first support beam 4 and a second support beam 5 for supporting the battery pack, wherein the first support beam 4 is installed between adjacent vertical steel beams in the front and rear directions and is evenly distributed, and a corner support 13 is provided at the connection between the vertical steel beam and the first support beam 4 for reinforcement, and the second support beam 5 is installed between the ends of adjacent first support beams 4 in the left and right directions.

[0029] The two first support beams 4 and two second support beams 5 at the bottom, the two first support beams 4 and two second support beams 5 at the top, and the vertical steel beams connecting the corresponding first support beams 4 at the bottom and top form a square structure for accommodating the battery pack.

[0030] A battery pack support frame 15 for mounting the battery pack is symmetrically provided on the first support beam 4 and provides support for the battery pack.

[0031] The size of the battery pack installation unit is larger than that of the battery pack, which can leave a certain gap between the battery packs, so that a ventilation and heat dissipation channel is formed between adjacent battery packs, facilitating air circulation and heat dissipation.

[0032] The mounting frame 1 is provided with a charging cable fixing bracket 14 and an expansion tank bracket 11 , and is also provided with a plurality of wiring harness brackets 10 for arranging the wiring harnesses.

[0033] The utility model provides a car back frame assembly, which connects the mounting frame and the mounting base by arranging a connecting plate, and further arranges a reinforcing support plate between the mounting frame and the mounting base, thereby improving the supporting strength of the back frame assembly. The supporting strength of the mounting frame is further enhanced by arranging components such as corner supports and diagonal supports, thereby improving the stability of the connection between the back frame assembly and the vehicle frame.

[0034] The utility model designs the battery pack mounting unit into a square structure that is larger than the battery pack size, so that ventilation and heat dissipation channels are formed between adjacent battery packs, which facilitates air circulation and heat dissipation, avoids heat dissipation only through the water cooling structure, enhances the working strength of the water cooling mechanism, and reduces costs.

Claims

1. An automobile back frame assembly, characterized in that: The invention comprises a frame module, wherein the frame module comprises a mounting frame (1) and a plurality of battery pack mounting units arranged in the mounting frame (1); the mounting frame (1) is mounted in a vehicle body via a mounting base (2), and the mounting frame (1) and the mounting base (2) are connected via a connecting plate (12); a reinforcing support plate (3) is arranged between the bottom of the mounting frame (1) and the side wall of the mounting base (2); and a charging port bracket (9) is arranged at the bottom of one side of the mounting frame (1).

2. The automobile back frame assembly according to claim 1, characterized in that: The size of the battery pack installation unit is larger than that of the battery pack, and a ventilation and heat dissipation channel is formed between adjacent battery packs.

3. The automobile back frame assembly according to claim 1, characterized in that: The installation frame (1) is a square frame composed of a plurality of rectangular steel beams. Cross-arranged diagonal braces (6) are respectively arranged between adjacent vertical steel beams on the front and rear sides of the installation frame (1). A reinforcing plate (7) is provided at the intersection of the diagonal braces (6). The upper and lower parts of the two diagonal braces (6) are respectively connected by support connecting rods (8).

4. The automobile back frame assembly according to claim 3, characterized in that: The battery pack installation unit comprises a first support beam (4) and a second support beam (5) for supporting the battery pack, wherein the first support beam (4) is installed between adjacent vertical steel beams in the front-back direction and is evenly distributed, and the second support beam (5) is installed between the ends of adjacent first support beams (4) in the left-right direction; the two first support beams (4) and two second support beams (5) located at the bottom, the two first support beams (4) and two second support beams (5) located at the top, and the vertical steel beams connecting the upper and lower corresponding first support beams (4) form a square structure for accommodating the battery pack.

5. The automobile back frame assembly according to claim 4, characterized in that: A battery pack support frame (15) for mounting a battery pack is symmetrically arranged on the first support beam (4).

6. The automobile back frame assembly according to claim 4, characterized in that: An angle support (13) is provided at the connection between the vertical steel beam and the first support beam (4).

7. The automobile back frame assembly according to claim 1, characterized in that: A plurality of wire harness brackets (10) for arranging the wire harnesses are provided on the installation frame (1).

8. The automobile back frame assembly according to claim 1, characterized in that: The mounting frame (1) is also provided with a charging line fixing bracket (14) and an expansion water tank bracket (11).

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