Battery pack structure with high safety

Abstract

The utility model belongs to the technical field of battery packs, and discloses a high-safety battery pack structure which comprises a box body, a battery pack arranged in the box body and a top cover arranged on the box body, supporting rods are arranged on the two sides of the upper surface of the box body, and two placement grooves matched with the supporting rods are formed in the bottom surface of the top cover; limiting grooves are formed in the inner walls, close to each other, of the two placement grooves, threaded grooves communicating with the two limiting grooves are formed in the upper surface of the top cover, and a limiting assembly used for limiting the supporting rods is arranged on the top cover. The method has the effect of improving the safety of the battery pack.

Description

Technical Field

[0001] The utility model relates to the technical field of battery packs, in particular to a battery pack structure with high safety. Background Art

[0002] With the progress of society, electric vehicles have gradually become the choice of the public. As the power supply device of electric vehicles, the battery module is one of the core components of electric vehicles. In order to protect the battery module, the battery module is usually placed in a protective shell to form a battery pack.

[0003] A battery pack structure is disclosed in the Chinese utility model patent with the publication number CN219419359U, belonging to the technical field of battery packs. It includes a top cover and a box body. The top cover is arranged on the top of the box body. Fixed mechanisms are arranged on both sides of the inner cavity of the top cover, and a driving mechanism is arranged between the fixed mechanisms in the inner cavity of the top cover. When in use, the top cover is fixedly installed at the corresponding position of the electric vehicle, and a battery pack is assembled inside the box body. During installation, the fixing plates on both sides of the top of the box body are inserted into the fixing grooves, and then the driving mechanism drives the push plate to move. The push plate drives the fixing rod to move, and the outer ends of the fixing rods are respectively inserted into the round holes, positioning holes and limiting holes and extend into the limiting holes to fix the fixing plates, which is convenient for installation. When disassembly is required, the fixing rod can be separated from the fixing plate again through the driving mechanism, which is convenient for disassembly, time-saving and labor-saving, and is convenient for disassembly and assembly, improving the maintenance efficiency of the battery pack.

[0004] Regarding the above related technologies, the inventor believes that there are the following defects: The above device fixes the top cover and the box body by driving the fixing rod to move through a driving motor. In actual operation, for safety considerations, the driving motor needs to use an independent power source, and interference is likely to occur between the battery pack and the power source of the driving motor, which has certain potential safety hazards. Content of the Utility Model

[0005] In order to solve the above problems, the utility model provides a battery pack structure with high safety.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: A battery pack structure with high safety includes a box body, a battery pack arranged inside the box body, and a top cover arranged on the box body. Support rods are arranged on both sides of the upper surface of the box body. Two placement grooves matching the support rods are opened on the bottom surface of the top cover. Limiting grooves are opened on the inner walls of the two placement grooves close to each other. A threaded groove communicating with both limiting grooves is opened on the upper surface of the top cover. A limiting component for limiting the support rods is arranged on the top cover.

[0007] By adopting the above technical solution, when the staff needs to install the battery pack, the staff needs to connect the battery pack with the box body and connect the support rod with the placement groove, so that the battery pack can be initially kept stable. Subsequently, the staff needs to rotate the threaded rod, so that the limiting rod can be connected with the support rod, and then the limiting rod can block the support rod, so that the support rod is kept stable. While having high stability, the installation is simple, thereby reducing the probability of the battery pack being interfered.

[0008] Furthermore, the limiting component includes a limiting rod slidably arranged in the limiting groove and a threaded rod threadedly connected in the threaded groove. Limiting holes matching with the limiting rod are formed on the side walls of the two support rods close to each other. Inclined surfaces are formed on the edges where the side walls of the two limiting rods close to each other intersect with their upper surfaces.

[0009] Furthermore, moving grooves are formed on the inner top walls of the two limiting grooves, and moving blocks are slidably arranged in the two moving grooves. The moving blocks are fixedly connected with the limiting rods.

[0010] Furthermore, a reset spring is fixed on the side wall of the moving block, and the other end of the reset spring is fixed on the inner wall of the moving groove.

[0011] By adopting the above technical solution, when the staff connects the box body with the top cover, the staff needs to rotate the threaded rod, so that the threaded rod can simultaneously press against the two inclined surfaces, and then the two limiting rods move in the direction away from each other, so that the two limiting rods are respectively connected with the two limiting holes, and then the two support rods are respectively kept stable under the action of the two limiting rods, so that the top cover is kept stable. Subsequently, when the staff needs to remove the top cover, the staff only needs to rotate the threaded rod in the reverse direction, so that the threaded rod is separated from the inclined surface, and then the limiting rod is reset under the action of the reset spring, thereby reducing the operation difficulty of the staff.

[0012] Furthermore, a silica gel sheet for reducing the probability of damage to the limiting rod is arranged on the bottom surface of the threaded rod.

[0013] Furthermore, connecting ropes are arranged on the side walls of the two limiting rods close to each other, and the other ends of the two connecting ropes are fixedly connected with the bottom surface of the silica gel sheet.

[0014] Furthermore, the connecting rope is a connecting rope made of rubber band.

[0015] By adopting the above technical solution, when the limiting rod is stuck in the limiting hole, the limiting rod cannot be automatically reset. At this time, the staff only needs to rotate the threaded rod in the reverse direction, so that the threaded rod is separated from the threaded hole. Subsequently, the staff only needs to pull the connecting rope, so that the limiting rod moves under the action of the connecting rope, thereby reducing the operation difficulty of the staff.

[0016] Furthermore, a clamping groove is formed on the upper surface of the top cover, and a clamping block for closing the clamping groove is arranged in the clamping groove.

[0017] By adopting the above technical solution, after the limiting rod and the limiting hole are connected to each other, the staff only needs to connect the clamping block and the clamping groove to close the clamping groove with the clamping block, thereby reducing the probability of the threaded groove being directly exposed to the air, and further reducing the probability of impurities coming into contact with the battery pack.

[0018] To sum up, the utility model has the following beneficial effects:

[0019] 1. In this application, when the staff needs to install the battery pack, the staff needs to connect the battery pack with the box body and connect the support rod with the placement groove to initially keep the battery pack stable. Subsequently, the staff only needs to rotate the threaded rod to connect the limiting rod with the support rod, and then the limiting rod blocks the support rod, so that the support rod is kept stable. With high stability and simple installation, the probability of the battery pack being interfered is reduced;

[0020] 2. In this application, when the staff connects the box body with the top cover, the staff only needs to rotate the threaded rod to make the threaded rod abut against the two inclined surfaces at the same time, and then the two limiting rods move away from each other, so that the two limiting rods are respectively connected with the two limiting holes, and then the two support rods are respectively kept stable under the action of the two limiting rods, so that the top cover is kept stable. Subsequently, when the staff needs to remove the top cover, the staff only needs to rotate the threaded rod in the reverse direction to separate the threaded rod from the inclined surface, and then the limiting rod resets under the action of the return spring, thereby reducing the operation difficulty of the staff;

[0021] 3. In this application, when the limiting rod is stuck in the limiting hole, the limiting rod cannot reset automatically. At this time, the staff only needs to rotate the threaded rod in the reverse direction to separate the threaded rod from the threaded hole. Subsequently, the staff only needs to pull the connecting rope to move the limiting rod under the action of the connecting rope, thereby reducing the operation difficulty of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is the overall structural schematic diagram of the embodiment of the utility model;

[0023] Figure 2 is the schematic diagram of the battery pack and its connection structure of the embodiment of the utility model;

[0024] Figure 3 is the schematic diagram of the threaded groove and its connection structure of the embodiment of the utility model;

[0025] Figure 4It is a schematic diagram of the limiting component and its connection structure according to an embodiment of the utility model.

[0026] In the figure: 1, box body; 11, battery pack; 2, top cover; 21, support rod; 3, placement groove; 31, limiting groove; 32, threaded groove; 4, limiting component; 41, limiting rod; 42, threaded rod; 43, limiting hole; 5, moving groove; 51, moving block; 6, return spring; 61, silica gel sheet; 7, connecting rope; 8, card slot; 9, clamping block. Specific implementation manners

[0027] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application; obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0028] As Figures 1-4 shown, an embodiment of the present application discloses a battery pack structure with high safety, including a box body 1, a battery pack 11, a top cover 2, a support rod 21, a limiting component 4, a moving block 51, a return spring 6, a silica gel sheet 61, a connecting rope 7, and a clamping block 9. The battery pack 11 is arranged in the box body 1, the top cover 2 is a plate-like structure, and the top cover 2 is arranged on the box body 1. The support rod 21 is a rectangular rod-like structure, and there are two support rods 21 which are respectively arranged on both sides of the upper surface of the box body 1.

[0029] Two placement grooves 3 matching the support rods 21 are opened on the bottom surface of the top cover 2. Limiting grooves 31 are opened on the inner walls of the two placement grooves 3 close to each other, and a threaded groove 32 communicating with both limiting grooves 31 is opened on the upper surface of the top cover 2. The limiting component 4 is arranged on the top cover 2 and is used to limit the support rod 21. The limiting component 4 includes a limiting rod 41 and a threaded rod 42. The limiting rod 41 is a rectangular rod-like structure, and the limiting rod 41 is slidably arranged in the limiting groove 31. The threaded rod 42 is threadedly connected in the threaded groove 32. Limiting holes 43 matching the limiting rod 41 are opened on the side walls of the two support rods 21 close to each other, and inclined surfaces are opened on the edges where the side walls of the two limiting rods 41 close to each other intersect with their upper surfaces.

[0030] Moving grooves 5 are opened on the inner top walls of the two limiting grooves 31. The moving block 51 is a rectangular block-like structure, and there are two moving blocks 51 which are respectively slidably arranged in the two moving grooves 5, and the moving block 51 is fixedly connected with the limiting rod 41. One end of the return spring 6 is fixed on the side wall of the moving block 51, and is fixed on the side wall of the moving block 51.

[0031] When the staff connects the box body 1 and the top cover 2, the staff needs to rotate the threaded rod 42, so that the threaded rod 42 can press against the two inclined surfaces at the same time, and then make the two limiting rods 41 move away from each other, so that the two limiting rods 41 are respectively connected with the two limiting holes 43, and then make the two support rods 21 be stable under the action of the two limiting rods 41 respectively, so that the top cover 2 is stable. Subsequently, when the staff needs to remove the top cover 2, the staff only needs to rotate the threaded rod 42 in the reverse direction, so that the threaded rod 42 is separated from the inclined surface, and then the limiting rod 41 is reset under the action of the return spring 6, thus reducing the operation difficulty of the staff.

[0032] In order to extend the service life of the limiting rod 41, a silica gel sheet 61 for reducing the probability of damage to the limiting rod 41 is arranged on the bottom surface of the threaded rod 42.

[0033] Two connecting ropes 7 are provided and are respectively arranged on the side walls of the two limiting rods 41 close to each other. The other ends of the two connecting ropes 7 are both fixed to the bottom surface of the silica gel sheet 61, and the connecting ropes 7 are made of rubber bands.

[0034] When the limiting rod 41 is stuck in the limiting hole 43, the limiting rod 41 cannot be automatically reset. At this time, the staff only needs to rotate the threaded rod 42 in the reverse direction, so that the threaded rod 42 is separated from the threaded hole. Subsequently, the staff only needs to pull the connecting rope 7, so that the limiting rod 41 moves under the action of the connecting rope 7, thus reducing the operation difficulty of the staff.

[0035] A clamping groove 8 is formed on the upper surface of the top cover 2. The clamping block 9 is of a block structure and is arranged in the clamping groove 8 for closing the clamping groove 8. After the limiting rod 41 is connected with the limiting hole 43, the staff only needs to connect the clamping block 9 with the clamping groove 8, so that the clamping block 9 can close the clamping groove 8, thereby reducing the probability that the threaded groove 32 is directly exposed to the air, and further reducing the probability that impurities come into contact with the battery pack 11.

[0036] The working principle of a battery pack structure with high safety in this embodiment is as follows: When the staff needs to install the battery pack 11, the staff needs to connect the battery pack 11 with the box body 1 and connect the support rod 21 with the placement groove 3, so that the battery pack 11 can be initially stabilized. Subsequently, the staff needs to rotate the threaded rod 42, so that the limiting rod 41 is connected with the support rod 21, and then the limiting rod 41 blocks the support rod 21, so that the support rod 21 is stable. While having high stability, the installation is simple, and further reduces the probability that the battery pack 11 is interfered.

[0037] The above are only the preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited to the above embodiments. All technical solutions falling within the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that for those of ordinary skill in the art, several improvements and refinements made without departing from the principle of the present utility model should also be regarded as within the protection scope of the present utility model.

Claims

1. A battery pack structure with high safety, comprising a box body (1), a battery pack (11) arranged in the box body (1), and a top cover (2) arranged on the box body (1), characterized in that: On both sides of the upper surface of the box body (1), support rods (21) are provided. On the bottom surface of the top cover (2), two placement grooves (3) that match the support rods (21) are opened. On the inner walls of the two placement grooves (3) close to each other, limit grooves (31) are opened. On the upper surface of the top cover (2), threaded grooves (32) that communicate with both limit grooves (31) are opened. On the top cover (2), a limit component (4) for limiting the support rods (21) is provided.

2. The battery pack structure with high safety according to claim 1, characterized in that: The limit component (4) includes a limit rod (41) slidably arranged in the limit groove (31) and a threaded rod (42) threadedly connected in the threaded groove (32). On the side walls of the two support rods (21) close to each other, limit holes (43) that match the limit rod (41) are opened. On the edges where the side walls of the two limit rods (41) close to each other intersect with their upper surfaces, inclined surfaces are opened.

3. A battery pack structure with high safety according to claim 2, characterized in that: On the inner top walls of the two limit grooves (31), moving grooves (5) are opened. In the two moving grooves (5), moving blocks (51) are slidably arranged. The moving blocks (51) are fixedly connected to the limit rods (41).

4. A battery pack structure with high safety according to claim 3, characterized in that: A return spring (6) is fixed to the side wall of the moving block (51). The other end of the return spring (6) is fixed to the inner wall of the moving groove (5).

5. A battery pack structure with high safety according to claim 4, characterized in that: On the bottom surface of the threaded rod (42), a silica gel sheet (61) for reducing the probability of damage to the limit rod (41) is provided.

6. The battery pack structure with high safety according to claim 5, characterized in that: On the side walls of the two limit rods (41) close to each other, connecting ropes (7) are provided. The other ends of the two connecting ropes (7) are fixedly connected to the bottom surface of the silica gel sheet (61).

7. A battery pack structure with high safety according to claim 6, characterized in that: The connecting rope (7) is a connecting rope (7) made of rubber band.

8. A battery pack structure with high safety according to claim 7, characterized in that: On the upper surface of the top cover (2), a clamping groove (8) is opened. In the clamping groove (8), a clamping block (9) for closing the clamping groove (8) is provided.

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