Lead storage battery protection structure for electric automobile

Abstract

The utility model relates to the technical field of electric automobile lead storage batteries, and discloses a lead storage battery protection structure for an electric automobile, which comprises a protection box, the protection box is connected with a connecting plate through a buffer assembly, the top end of the connecting plate is provided with a storage battery body, and two sides of the top end of the storage battery body are fixedly connected with fixing cylinders. Limiting plates are slidably connected to the inner walls of the fixing barrels, the limiting plates are connected with the inner walls of the fixing barrels through second springs, connecting rods are fixedly connected to the top ends of the limiting plates, clamps are fixedly connected to the top ends of the connecting rods, and screw rods are in threaded connection to the inner walls of the clamps; and the right ends of the screw rods are rotationally connected with clamping plates. According to the storage battery heat dissipation device, the motor drives the rotating block, the rotating block drives the fan, the fan drives the rotating frame, the rotating frame can rotate in the fixing frame when rotating, hot air can be exhausted from the heat dissipation holes, and therefore damage caused by the fact that the temperature of the storage battery is too high is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of lead-acid batteries for electric vehicles, in particular to a lead-acid battery protection structure for electric vehicles. Background Art

[0002] Electric vehicle lead-acid batteries are devices used to store and release electrical energy, usually composed of lead and acid. They are often used in electric vehicles as a power source because they can provide high capacity and stable current output. Protective structures are required when installing automotive lead-acid batteries.

[0003] After searching, a vehicle battery protection structure with announcement number CN211417167U includes a battery body, a connecting terminal is symmetrically arranged on the upper end of the battery body, telescopic mechanisms are symmetrically arranged on the left and right sides of the upper end of the battery body, and an adjusting mechanism is arranged on the upper end of the telescopic mechanism, and a locking mechanism is arranged on the upper end of the adjusting mechanism, and the locking mechanism is located at the upper end of the connecting terminal, and a protective mechanism is arranged on the outer side of the battery body. The utility model fixes the connecting wire connected to the connecting terminal by arranging a locking mechanism, and the spacing between the locking mechanism and the connecting terminal can be adjusted by the telescopic mechanism. When the connecting wire is pulled, the telescopic mechanism is extended and retracted through the locking mechanism and the adjusting mechanism, so that the first spring is deformed by force, so that the first spring can absorb and relieve the tension on the connecting wire through the elastic deformation characteristics, thereby reducing the influence of the tension on the connection between the connecting wire and the connecting terminal;

[0004] Based on the above patent, a locking mechanism is provided to fix the connecting wire connected to the connecting terminal, and the distance between the locking mechanism and the connecting terminal can be adjusted by a telescopic mechanism. When the connecting wire is pulled, the telescopic mechanism is driven to extend and retract through the locking mechanism and the adjusting mechanism, so that the first spring is deformed under the force, so that the first spring can absorb and alleviate the tension exerted on the connecting wire through the elastic deformation characteristics, thereby reducing the influence of the tension exerted on the connection between the connecting wire and the connecting terminal. However, during the use of the lead-acid battery, some heat will be generated due to the frequent output of current. After a period of time, the heat accumulation will generate high temperature. The lead-acid battery is prone to bulging in a high temperature environment, which may cause the lead-acid battery to catch fire in severe cases. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a lead-acid battery protection structure for electric vehicles.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a lead-acid battery protection structure for an electric vehicle, comprising a protection box, the protection box is connected to a connecting plate through a buffer assembly, a battery body is arranged at the top of the connecting plate, both sides of the top of the battery body are fixedly connected with fixing cylinders, the inner walls of the fixing cylinders are slidably connected with limiting plates, the limiting plates and the inner walls of the fixing cylinders are connected by a second spring, the tops of the limiting plates are fixedly connected with connecting rods, the tops of the connecting rods are fixedly connected with clamps, the inner walls of the clamps are threadedly connected with screws, the right ends of the screws are rotatably connected with clamps, and the inner walls of the protection box are installed with heat dissipation components.

[0007] As a further description of the above technical solution:

[0008] The heat dissipation assembly includes a connection box fixedly connected to the inner wall of the protective box, the right end of the connection box is fixedly connected to a motor, the driving end of the motor passes through the connection box and is fixedly connected to a rotating block, the inner wall of the rotating block is fixedly connected to a fan, the outer wall of the fan is rotatably connected to a rotating frame, and the inner wall of the connection box is fixedly connected to a fixed frame.

[0009] As a further description of the above technical solution:

[0010] The buffer assembly includes a fixed box fixedly connected to the inner wall of the protective box, the inner walls of the fixed boxes on both sides are fixedly connected with fixed rods, the outer walls of the fixed rods are slidably connected with sliders, the top of the slider is rotatably connected with a rotating plate, the slider and the inner wall of the fixed box are connected by a first spring, and the top of the rotating plate is rotatably connected to the bottom end of the connecting plate.

[0011] As a further description of the above technical solution:

[0012] One end of the second spring is connected to the limiting plate, and the other end of the second spring is connected to the inner wall of the fixing cylinder.

[0013] As a further description of the above technical solution:

[0014] The top of the battery body is provided with a plurality of connection terminals, and the outer wall of the protection box is fixedly connected with a plurality of protection sleeves.

[0015] As a further description of the above technical solution:

[0016] The outer wall of the rotating frame is rotatably connected to the outer wall of the fixing frame.

[0017] As a further description of the above technical solution:

[0018] One end of the first spring is connected to the sliding block, and the other end of the first spring is connected to the inner wall of the fixing box.

[0019] As a further description of the above technical solution:

[0020] The outer walls of the sliding blocks are slidably connected to the inner walls of the fixing box.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, firstly, the motor drives the rotating block, the rotating block drives the fan, and the fan drives the rotating frame. When the rotating frame rotates, it will rotate inside the fixed frame, and the hot air will be discharged from the heat dissipation holes, thereby preventing the battery from being damaged due to excessive temperature.

[0023] 2. In the utility model, the rotating plate is driven by the connecting plate, and the rotating plate drives the slider when it moves. When the slider moves, it will resist the first spring, thereby providing a buffer to protect the battery body. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a three-dimensional diagram of a lead-acid battery protection structure for electric vehicles proposed by the utility model;

[0025] Figure 2 This is a schematic diagram of the cross-sectional structure of a fixing box of a lead-acid battery protection structure for electric vehicles proposed by the utility model;

[0026] Figure 3 This is a schematic diagram of the cross-sectional structure of a connection box of a lead-acid battery protection structure for electric vehicles proposed by the utility model;

[0027] Figure 4 The utility model is a schematic diagram of the cross-sectional structure of a fixing cylinder of a lead-acid battery protection structure for an electric vehicle.

[0028] Legend:

[0029] 1. Protective box; 2. Fixed box; 3. Fixed rod; 4. Slider; 5. Rotating plate; 6. First spring; 7. Connecting plate; 8. Battery body; 9. Fixed cylinder; 10. Limiting plate; 11. Second spring; 12. Connecting rod; 13. Clamp; 14. Screw; 15. Clamp; 16. Connecting box; 17. Motor; 18. Rotating block; 19. Fan; 20. Rotating frame; 21. Fixed frame; 22. Connecting end; 23. Protective cover. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0032] Reference Figure 1-4 The utility model provides an embodiment: a lead-acid battery protection structure for an electric vehicle, comprising a protection box 1, the protection box 1 is connected with a connecting plate 7, the top of the connecting plate 7 is provided with a battery body 8, the top sides of the battery body 8 are fixedly connected with a fixing cylinder 9, the inner wall of the fixing cylinder 9 is slidably connected with a limiting plate 10, the limiting plate 10 is connected to the inner wall of the fixing cylinder 9 by a second spring 11, the top of the limiting plate 10 is fixedly connected with a connecting rod 12, the top of the connecting rod 12 is fixedly connected with a clamp 13, the inner wall of the clamp 13 is threadedly connected with a screw 14, the right end of the screw 14 is rotatably connected with a clamp 15, wherein the inner wall of the protection box 1 is fixedly connected with a connecting box 16, the right end of the connecting box 16 is fixedly connected with a motor 17, the driving end of the motor 17 passes through the connecting box 16 and is fixedly connected with a rotating block 18, the inner wall of the rotating block 18 is fixedly connected with a fan 19, the outer wall of the fan 19 is rotatably connected with a rotating frame 20, and the inner wall of the connecting box 16 is fixedly connected with a fixing frame 21.

[0033] Specifically, the fan 19 is turned on to blow out air, and the driving end of the motor 17 is rotated to drive the rotating block 18 to rotate. The rotating block 18 is rotated to drive the fan 19 to rotate. The fan 19 is rotated to drive the rotating frame 20 to rotate. When the rotating frame 20 rotates, it will rotate inside the fixed frame 21, and the hot air will be discharged from the heat dissipation holes, so as to prevent the battery from being damaged due to excessive temperature. Then, the wire is connected to the inside of the connecting end 22, and then the screw 14 is rotated. When the screw 14 rotates, it drives the clamping plate 15 to fix the wiring harness, so that the connecting wire is not easy to slip off.

[0034] The inner wall of the protective box 1 is fixedly connected to the fixed box 2, the inner walls of the fixed boxes 2 on both sides are fixedly connected with fixed rods 3, the outer walls of the fixed rods 3 are slidably connected with sliders 4, the top of the slider 4 is rotatably connected with a rotating plate 5, the slider 4 and the inner wall of the fixed box 2 are connected through a first spring 6, the top of the rotating plate 5 is rotatably connected to the bottom end of the connecting plate 7, one end of the second spring 11 is connected to the limit plate 10, the other end of the second spring 11 is connected to the inner wall of the fixed cylinder 9, a plurality of connecting terminals 22 are provided at the top of the battery body 8, a plurality of protective sleeves 23 are fixedly connected to the outer wall of the rotating frame 20 is rotatably connected to the outer wall of the fixed frame 21, one end of the first spring 6 is connected to the slider 4, the other end of the first spring 6 is connected to the inner wall of the fixed box 2, and the outer wall of the slider 4 is slidably connected to the inner wall of the fixed box 2.

[0035] Specifically, during buffering, the connecting plate 7 moves downward to drive the rotating plate 5 to move, and when the rotating plate 5 moves, the slider 4 is driven to move. When the slider 4 moves, it will resist the first spring 6, thereby buffering and protecting the battery 8 body. The fixing rod 3 plays a limiting role to prevent the fixing rod 3 from running out of the fixing box 2 when moving.

[0036] Working principle: first, turn on the fan 19 to blow out air, and then drive the rotating block 18 to rotate when the driving end of the motor 17 rotates. When the rotating block 18 rotates, it drives the fan 19 to rotate. When the fan 19 rotates, it drives the rotating frame 20 to rotate. When the rotating frame 20 rotates, it will rotate inside the fixed frame 21, and the hot air will be discharged from the heat dissipation holes, so as to prevent the battery from being damaged due to excessive temperature. Then, the wire is connected to the inside of the connecting terminal 22, and then the screw 14 is rotated. When the screw 14 rotates, it drives the clamping plate 15 to fix the wiring harness, so that the connecting wire is not easy to slip off. When buffering, the rotating plate 5 is driven to move when the connecting plate 7 moves downward, and the sliding block 4 is driven to move when the rotating plate 5 moves. When the sliding block 4 moves, it will resist the first spring 6, so as to buffer and protect the battery body 8. The fixing rod 3 plays a limiting role to prevent the fixing rod 3 from running out of the fixing box 2 when moving.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lead-acid battery protection structure for an electric vehicle, comprising a protection box (1), characterized in that: The protection box (1) is connected to a connecting plate (7) through a buffer component. A battery body (8) is arranged at the top of the connecting plate (7). A fixing cylinder (9) is fixedly connected to both sides of the top of the battery body (8). The inner wall of the fixing cylinder (9) is slidably connected to a limiting plate (10). The limiting plate (10) is connected to the inner wall of the fixing cylinder (9) through a second spring (11). The top of the limiting plate (10) is fixedly connected to a connecting rod (12). The top of the connecting rod (12) is fixedly connected to a clamp (13). The inner wall of the clamp (13) is threadedly connected to a screw (14). The right end of the screw (14) is rotatably connected to a clamp (15). A heat dissipation component is installed on the inner wall of the protection box (1).

2. A lead-acid battery protection structure for electric vehicles according to claim 1, characterized in that: The heat dissipation component comprises a connection box (16) fixedly connected to the inner wall of the protective box (1), the right end of the connection box (16) is fixedly connected to a motor (17), the driving end of the motor (17) passes through the connection box (16) and is fixedly connected to a rotating block (18), the inner wall of the rotating block (18) is fixedly connected to a fan (19), the outer wall of the fan (19) is rotatably connected to a rotating frame (20), and the inner wall of the connection box (16) is fixedly connected to a fixing frame (21).

3. A lead-acid battery protection structure for electric vehicles according to claim 1, characterized in that: The buffer assembly comprises a fixed box (2) fixedly connected to the inner wall of the protective box (1), the inner walls of the fixed box (2) on both sides are fixedly connected to fixed rods (3), the outer walls of the fixed rods (3) are slidably connected to sliders (4), the top of the slider (4) is rotatably connected to a rotating plate (5), the slider (4) and the inner wall of the fixed box (2) are connected by a first spring (6), and the top of the rotating plate (5) is rotatably connected to the bottom end of the connecting plate (7).

4. A lead-acid battery protection structure for electric vehicles according to claim 1, characterized in that: One end of the second spring (11) is connected to the limiting plate (10), and the other end of the second spring (11) is connected to the inner wall of the fixing cylinder (9).

5. The lead-acid battery protection structure for electric vehicles according to claim 1, characterized in that: The top of the battery body (8) is provided with a plurality of connection terminals (22), and the outer wall of the protection box (1) is fixedly connected with a plurality of protection sleeves (23).

6. A lead-acid battery protection structure for electric vehicles according to claim 2, characterized in that: The outer wall of the rotating frame (20) is rotatably connected to the outer wall of the fixed frame (21).

7. A lead-acid battery protection structure for electric vehicles according to claim 3, characterized in that: One end of the first spring (6) is connected to the slider (4), and the other end of the first spring (6) is connected to the inner wall of the fixing box (2).

8. The lead-acid battery protection structure for electric vehicles according to claim 3, characterized in that: The outer walls of the sliding blocks (4) are slidably connected to the inner walls of the fixing box (2).

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