Chassis power battery pack mounting structure

Abstract

The utility model relates to the field of battery pack installation, and discloses a chassis power battery pack installation structure which comprises a battery box, a cover plate is detachably arranged on the top face of the battery box, a plurality of battery modules are arranged in the battery box, a supporting plate is arranged on the inner bottom face of the battery box, and the battery modules are arranged on the supporting plate. A plurality of supporting columns are fixed to the bottom face of the supporting plate, the bottom ends of the supporting columns are fixed to the inner bottom face of the battery box, a plurality of limiting plates are fixed to the top face of the supporting plate, limiting strips are fixed to the two sides, close to each other, of each limiting plate respectively, and limiting grooves are formed in the two sides of each battery module respectively. The position of the battery module on the supporting plate is limited through the two limiting plates, the position of the battery module is preliminarily fixed, the firmness of the position, between the two limiting plates, of the battery module is improved through embedded arrangement of limiting strips and limiting grooves, and the stability of the battery module installed on a vehicle chassis subsequently is facilitated; and the battery module is prevented from falling off.

Description

Technical Field

[0001] This utility model relates to the technical field of battery pack installation, specifically a chassis power battery pack installation structure. Background Technology

[0002] In new energy vehicles, the battery pack is usually installed at the bottom of the vehicle body. This arrangement has the following advantages: the battery pack occupies almost the entire chassis, resulting in a lower center of gravity and improved high-speed stability; the interior of the battery pack is often arranged with through-section beams and tubes, which can effectively utilize space and increase the vehicle's driving range.

[0003] According to Chinese Patent No. CN208165104U, an electric vehicle chassis and battery pack arrangement structure includes a front axle, an integrated rear axle with a drive motor, a frame, and a battery pack. The frame is provided with main connecting brackets and secondary connecting brackets for mounting the battery pack. The housings of the front battery pack, the middle battery pack, and the rear battery pack are each provided with four connecting seats. The four connecting seats on the front battery pack are connected to two main connecting brackets and two secondary connecting brackets respectively by bolts. The four connecting seats on the middle battery pack are connected to two main connecting brackets and two secondary connecting brackets respectively by bolts. The four connecting seats on the rear battery pack are fixed to the left longitudinal beam and the right longitudinal beam by bolts.

[0004] In the above solution, the battery pack is fixed to the chassis using a connecting seat with bolts. However, this solution still has the following drawbacks: when the battery pack is placed on the chassis and the chassis is moved, the battery pack may fall off the installation position, reducing the stability of the battery pack before installation. Utility Model Content

[0005] The purpose of this utility model is to provide a chassis power battery pack mounting structure to solve the problem that when the battery pack is placed on the chassis and the chassis is moved, the battery pack may fall off the mounting position, reducing the stability of the battery pack before installation.

[0006] To achieve the above-mentioned utility model objectives, the present utility model adopts the following technical solution: a chassis power battery pack mounting structure, including a battery box, a cover plate detachably provided on the top surface of the battery box, a plurality of battery modules disposed inside the battery box, a support plate provided on the bottom surface of the battery box, a plurality of support columns fixed on the bottom surface of the support plate, the bottom ends of the support columns being fixed to the bottom surface of the battery box, a plurality of limiting plates fixed on the top surface of the support plate, wherein two limiting plates form a group, and limiting strips are fixed on the adjacent sides of each group of limiting plates, and limiting grooves are respectively opened on both sides of the battery module, with the limiting strips embedded in the limiting grooves.

[0007] Preferably, the top surface of the support plate is fixed with two mounting plates, and the top surface of the mounting plates is rotatably provided with a flip plate.

[0008] Preferably, the top surface of the flip plate has a plurality of mounting holes, and an electromagnet is installed inside the mounting holes. The top surface of the support plate is fixed with a plurality of fixing posts, and an adsorption post is fixed at the top of each fixing post.

[0009] Preferably, the bottom surface of the battery box has two mounting frames fixed, and a mounting plate is slidably inserted inside the mounting frame. The top and bottom surfaces of the mounting frames are respectively provided with fixing holes. The top surface of the horizontal plane of the mounting plate is provided with a threaded hole. A mounting bolt is rotatably inserted inside the fixing hole. The mounting bolt passes through the fixing hole and is threadedly connected to the threaded hole.

[0010] Preferably, the top surface of the cover plate has several rotating holes, and a fixing bolt is inserted into the rotating holes. The top surface of the battery box has several threaded grooves, and the bottom end of the fixing bolt passes through the rotating holes and is threaded into the inside of the threaded grooves.

[0011] Preferably, the top surface of the support plate is provided with a number of ventilation holes, and the four sides of the battery box are provided with heat dissipation vents.

[0012] Compared with existing technologies, the chassis power battery pack mounting structure that adopts the above technical solution has the following advantages:

[0013] 1. The battery module is positioned on the support plate by two limiting plates, which initially fixes the position of the battery module. The embedding of the limiting strip box and the limiting groove increases the firmness of the battery module between the two limiting plates, which facilitates the stability when the battery module is installed on the vehicle chassis and prevents the battery module from falling off.

[0014] Second, when the staff installs the battery box on the vehicle chassis, they first insert the mounting plate into the inside of the mounting frame. Then, the staff uses mounting bolts to pass through the fixing holes and threaded holes to fix the position between the mounting frame and the mounting plate. Finally, the mounting plate is fixed to the vehicle chassis, which further increases the stability of the battery box installation position on the vehicle chassis.

[0015] Third, after the battery modules inside the battery box are installed, the staff will use a cover plate to seal the battery box and use fixing bolts that pass through the rotating hole and are screwed into the threaded groove to increase the firmness of the cover plate on the top surface of the battery box, thereby increasing the safety of the battery modules inside the battery box. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of an embodiment.

[0017] Figure 2 This is a schematic diagram of the split section in an embodiment.

[0018] Figure 3 This is a schematic diagram of the disassembled battery box and support plate in an embodiment.

[0019] Figure 4 This is a schematic diagram of the disassembly of the limiting plate and mounting plate in an embodiment.

[0020] In the diagram: 1. Battery box; 2. Cover plate; 3. Battery module; 4. Support plate; 5. Support column; 6. Limiting plate; 7. Limiting strip; 8. Limiting groove; 9. Mounting plate; 10. Flip plate; 11. Mounting hole; 12. Electromagnet; 13. Fixing column; 14. Adsorption column; 15. Mounting frame; 16. Mounting folding plate; 17. Fixing hole; 18. Threaded hole; 19. Mounting bolt; 20. Rotating hole; 21. Fixing bolt; 22. Threaded groove; 23. Vent hole; 24. Heat dissipation vent. Detailed Implementation

[0021] The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0022] like Figures 1-4 As shown, a chassis power battery pack mounting structure includes a battery box 1. A cover plate 2 is detachably mounted on the top surface of the battery box 1. Several battery modules 3 are disposed inside the battery box 1. A support plate 4 is disposed on the bottom surface of the battery box 1. Several support columns 5 are fixed to the bottom surface of the support plate 4, with the bottom ends of the support columns 5 fixed to the bottom surface of the battery box 1. Several limiting plates 6 are fixed to the top surface of the support plate 4, wherein two limiting plates 6 form a group, and each group of limiting plates 6 is... Limiting strips 7 are fixed on the two sides that are close to each other. Limiting grooves 8 are opened on both sides of the battery module 3. The limiting strips 7 are embedded in the limiting grooves 8. Two mounting plates 9 are fixed on the top surface of the support plate 4. A flip plate 10 is rotatably arranged on the top surface of the mounting plate 9. Several mounting holes 11 are opened on the top surface of the flip plate 10. An electromagnet 12 is arranged inside the mounting hole 11. Several fixing posts 13 are fixed on the top surface of the support plate 4. An adsorption post 14 is fixed at the top of the fixing post 13.

[0023] In use, when the staff installs the battery module 3 inside the battery box 1, they will first lay the support plate 4 inside the battery box 1 to avoid the bottom surface of the battery module 3 directly contacting the bottom surface of the battery box 1. Then the staff will install the battery module 3 on the support plate 4. At this time, the battery module 3 is between the two limiting plates 6, and the limiting strip 7 will be embedded in the limiting groove 8.

[0024] The battery module 3 is positioned on the support plate 4 by two limiting plates 6, which initially fixes the position of the battery module 3. The embedding of the limiting strip 7 and the limiting groove 8 increases the firmness of the battery module 3 between the two limiting plates 6, which facilitates the stability of the battery module 3 when it is installed on the vehicle chassis and prevents the battery module 3 from falling off.

[0025] like Figure 3 As shown, the bottom surface of the battery box 1 is fixed with two mounting frames 15. The mounting frame 15 is slidably inserted with a mounting plate 16. The top and bottom surfaces of the mounting frame 15 are respectively provided with fixing holes 17. The top surface of the horizontal plane of the mounting plate 16 is provided with a threaded hole 18. The fixing hole 17 is rotatably inserted with a mounting bolt 19. The mounting bolt 19 passes through the fixing hole 17 and is threadedly connected to the threaded hole 18.

[0026] In use, when installing the battery box 1 on the vehicle chassis, the staff will first insert the mounting plate 16 into the inside of the mounting frame 15. Then, the staff will use the mounting bolts 19 to pass through the fixing holes 17 and threaded holes 18 to fix the position between the mounting frame 15 and the mounting plate 16. Finally, the mounting plate 16 is fixed to the vehicle chassis, which further increases the firmness of the battery box 1 in the vehicle chassis installation position.

[0027] like Figure 2 and Figure 3 As shown, the top surface of the cover plate 2 has several rotating holes 20, and a fixing bolt 21 is inserted into the rotating hole 20. The top surface of the battery box 1 has several threaded grooves 22. The bottom end of the fixing bolt 21 passes through the rotating hole 20 and is threaded into the inside of the threaded groove 22. The top surface of the support plate 4 has several ventilation holes 23, and the four sides of the battery box 1 have heat dissipation vents 24.

[0028] During use, after the battery module 3 inside the battery box 1 is installed, the staff will use the cover plate 2 to seal the battery box 1, and use the fixing bolts 21 that pass through the rotating hole 20 and are screwed into the threaded groove 22 to increase the firmness of the cover plate 2 on the top surface of the battery box 1, thereby increasing the safety of the battery module 3 inside the battery box 1.

[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A chassis power battery pack mounting structure, comprising a battery box (1), characterized in that, The top surface of the battery box (1) is detachably provided with a cover plate (2). The battery box (1) contains several battery modules (3). The bottom surface of the battery box (1) is provided with a support plate (4). The bottom surface of the support plate (4) is fixed with several support columns (5). The bottom end of the support column (5) is fixed to the bottom surface of the battery box (1). The top surface of the support plate (4) is fixed with several limiting plates (6). Two limiting plates (6) form a group. Limiting strips (7) are fixed on the two sides of each group of limiting plates (6) that are close to each other. Limiting grooves (8) are opened on both sides of the battery module (3). The limiting strips (7) are embedded in the limiting grooves (8).

2. The chassis power battery pack mounting structure according to claim 1, characterized in that: The top surface of the support plate (4) is fixed with two mounting plates (9), and the top surface of the mounting plate (9) is rotatably provided with a flip plate (10).

3. The chassis power battery pack mounting structure according to claim 2, characterized in that: The top surface of the flip plate (10) is provided with several mounting holes (11), and an electromagnet (12) is provided inside the mounting holes (11). Several fixing posts (13) are fixed on the top surface of the support plate (4), and an adsorption post (14) is fixed at the top of the fixing post (13).

4. The chassis power battery pack mounting structure according to claim 1, characterized in that: The bottom surface of the battery box (1) is fixed with two mounting frames (15). The mounting frame (15) is slidably inserted with a mounting plate (16). The top and bottom surfaces of the mounting frame (15) are respectively provided with fixing holes (17). The top surface of the horizontal plane of the mounting plate (16) is provided with a threaded hole (18). The fixing hole (17) is rotatably inserted with a mounting bolt (19). The mounting bolt (19) passes through the fixing hole (17) and is threadedly connected to the threaded hole (18).

5. The chassis power battery pack mounting structure according to claim 1, characterized in that: The top surface of the cover plate (2) has several rotating holes (20), and a fixing bolt (21) is inserted into the rotating hole (20). The top surface of the battery box (1) has several threaded grooves (22), and the bottom end of the fixing bolt (21) passes through the rotating hole (20) and is threaded into the inside of the threaded groove (22).

6. The chassis power battery pack mounting structure according to claim 1, characterized in that: The top surface of the support plate (4) is provided with several ventilation holes (23), and the four sides of the battery box (1) are provided with heat dissipation vents (24).

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