Protective device of battery pack

Abstract

The utility model discloses a protection device of battery pack, relates to electric vehicle technical field, including battery pack mounting plate and protection mounting plate, the protection mounting plate abuts against the upper surface of battery pack mounting plate, the both ends of battery pack mounting plate front side are equipped with wedge-shaped groove, the inside of wedge-shaped groove is slidingly equipped with wedge-shaped block, the wedge-shaped block is equipped with the wedge-shaped block, and the wedge-shaped block is equipped with the wedge-shaped block. The upper side of the wedge-shaped block is fixedly connected with a protective mounting plate, an opening is formed in the upper surface of the protective mounting plate, a U-shaped plate is fixedly arranged in the opening, first strip-shaped openings are formed in the two sides of the upper surface of the U-shaped plate, and baffles are slidably arranged in the first strip-shaped openings; limiting blocks are fixedly arranged in the middles of the two sides of the upper surface of the battery pack mounting plate, limiting sleeves are fixedly arranged in the middles of the lower sides of the baffles, and the limiting sleeves are arranged on the outer sides of the limiting blocks in a sleeving mode. According to the utility model, the battery pack can be comprehensively protected, and the battery pack can be conveniently opened for maintenance.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicles, in particular to a protection device for a battery pack. Background Art

[0002] In order to reduce the serious urban pollution caused by the emission of automobile exhaust, the utilization rate of electric vehicles has been greatly improved. In order to improve the installation performance of the battery pack of the electric vehicle, a protection device needs to be arranged on its outer side for protection.

[0003] When the traditional protection device for the battery pack is in use, it is usually fixedly installed. Therefore, when the battery pack needs to be maintained, a cumbersome disassembly step needs to be experienced, which greatly affects the efficiency of the battery pack maintenance work. Summary of the Utility Model

[0004] In view of the problems existing in the above-mentioned existing protection device for the battery pack, the present utility model is proposed.

[0005] Therefore, the purpose of the present utility model is to provide a protection device for a battery pack, which solves the problem that when the existing protection device for the battery pack is in use, it is usually fixedly installed. Therefore, when the battery pack needs to be maintained, a cumbersome disassembly step needs to be experienced, which greatly affects the efficiency of the battery pack maintenance work.

[0006] In order to achieve the above purpose, the present utility model provides the following technical solutions:

[0007] A protection device for a battery pack includes a battery pack mounting plate and a protection mounting plate. The protection mounting plate is abutted against the upper surface of the battery pack mounting plate. Wedge-shaped grooves are respectively formed at both ends of the front side of the battery pack mounting plate. Wedge-shaped blocks are slidably arranged inside the wedge-shaped grooves. The upper sides of the wedge-shaped blocks are fixedly connected to the protection mounting plate. An opening is formed on the upper surface of the protection mounting plate. A U-shaped plate is fixedly arranged inside the opening. First strip-shaped openings are respectively formed on both sides of the upper surface of the U-shaped plate. Baffles are slidably arranged inside the first strip-shaped openings. Limit blocks are respectively fixedly arranged in the middle of both sides of the upper surface of the battery pack mounting plate. A limit sleeve is fixedly arranged in the middle of the lower side of the baffle. The limit sleeve is sleeved outside the limit block.

[0008] A fixed shell is fixedly arranged on the upper surface of the U-shaped plate. Two rotating rods are rotatably arranged on one side of the fixed shell. Rotating strips are respectively fixedly arranged at the front ends of the two rotating rods. A push rod is fixedly sleeved inside the end of the rotating strip far away from the rotating rod. Second strip-shaped openings are formed at the upper ends of the baffles. Both ends of the push rod respectively extend to the inner sides of the corresponding second strip-shaped openings.

[0009] A transmission mechanism for driving the two rotating rods to rotate is arranged on the upper surface of the fixed shell.

[0010] Preferably, the transmission mechanism includes a worm wheel and a worm. Two worms are rotatably arranged on both sides inside the fixed housing. One end of the two worms close to each other is fixedly connected. Two worm wheels are fixedly sleeved on the inner ends of the corresponding rotating rods. Both worms are meshed and connected with the corresponding worm wheels.

[0011] Preferably, one end of one worm extends to the outside of the fixed housing and is fixedly sleeved with a runner.

[0012] Preferably, sliding grooves are formed at both ends of the first strip-shaped opening. Sliders are fixedly arranged at both ends of the baffle. The sliders are respectively slidably connected with the corresponding sliding grooves.

[0013] Preferably, a rubber pad is arranged on the side wall of the baffle.

[0014] Preferably, both sides of the push rod are in contact with the inner wall of the second strip-shaped opening.

[0015] In the above technical solution, the technical effects and advantages provided by the present utility model are as follows:

[0016] In the present utility model, by inserting the wedge-shaped block into the corresponding wedge-shaped groove, the U-shaped plate is sleeved outside the battery pack. Then, the worm is rotated. The two worms drive the two worm wheels to rotate, so that the two rotating rods drive the corresponding rotating strips to rotate, that is, the push rod pushes the baffle downwards, so that the two baffles close the two ends of the U-shaped plate, that is, the battery pack can be comprehensively shielded and protected. At this time, the limiting sleeve is sleeved outside the limiting block, that is, the U-shaped plate cannot move, that is, the installation of the protection device is completed. The reverse operation can open the protection device to maintain the battery pack. The operation is convenient, time-saving and labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required in the embodiments. Obviously, the drawings in the following description are only some embodiments described in the present utility model. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings.

[0018] Figure 1 is a schematic structural diagram of a protection device for a battery pack proposed by the present utility model;

[0019] Figure 2 is Figure 1 the top view structural diagram of;

[0020] Figure 3 is Figure 3 the enlarged structural diagram of the partial A part in;

[0021] Description of the reference numerals:

[0022] 1. Battery pack mounting plate; 2. Protective mounting plate; 3. U-shaped plate; 4. Wedge block; 5. Limit block; 6. Limit sleeve; 7. Baffle; 8. Push rod; 9. Rotating bar; 10. Slide block; 11. Fixed shell; 12. Worm; 13. Rotating rod; 14. Worm gear. Detailed implementation manners

[0023] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the present utility model will be further introduced in detail below with reference to the accompanying drawings.

[0024] An embodiment of the present utility model discloses a protection device for a battery pack.

[0025] Embodiment 1

[0026] Referring to Figures 1-3 , a protection device for a battery pack includes a battery pack mounting plate 1 and a protective mounting plate 2. The protective mounting plate 2 is abutted against the upper surface of the battery pack mounting plate 1. Wedge-shaped grooves are formed at both ends of the front side of the battery pack mounting plate 1. A wedge block 4 is slidably arranged inside the wedge-shaped grooves. The upper side of the wedge block 4 is fixedly connected to the protective mounting plate 2. An opening is formed on the upper surface of the protective mounting plate 2. A U-shaped plate 3 is fixedly arranged inside the opening. First strip-shaped openings are formed on both sides of the upper surface of the U-shaped plate 3. A baffle 7 is slidably arranged inside the first strip-shaped openings. Limit blocks 5 are fixedly arranged in the middle of both sides of the upper surface of the battery pack mounting plate 1. A limit sleeve 6 is fixedly arranged in the middle of the lower side of the baffle 7. The limit sleeve 6 is sleeved outside the limit block 5;

[0027] Referring to Figures 1-3 , a fixed shell 11 is fixedly arranged on the upper surface of the U-shaped plate 3. Two rotating rods 13 are rotatably arranged on one side of the fixed shell 11. Rotating bars 9 are fixedly arranged at the front ends of the two rotating rods 13. A push rod 8 is fixedly sleeved inside the end of the rotating bar 9 far away from the rotating rod 13. Second strip-shaped openings are formed at the upper ends of the baffle 7. Both ends of the push rod 8 respectively extend to the inner sides of the corresponding second strip-shaped openings. Both sides of the push rod 8 are in contact with the inner walls of the second strip-shaped openings, and can stably push the baffle 7.

[0028] Embodiment 2

[0029] Referring to Figures 1-3 , a transmission mechanism for driving the two rotating rods 13 to rotate is arranged on the upper surface of the fixed shell 11. The transmission mechanism includes a worm gear 14 and a worm 12. The two worms 12 are rotatably arranged on both sides inside the fixed shell 11. The close ends of the two worms 12 are fixedly connected. The two worm gears 14 are fixedly sleeved on the inner ends of the corresponding rotating rods 13. Both worms 12 are meshed with the corresponding worm gears 14. One end of one worm 12 extends to the outside of the fixed shell 11 and is fixedly sleeved with a rotating wheel, which is convenient for rotating the worm 12.

[0030] Embodiment 3

[0031] Referring to Figures 1-3 , chutes are provided at both ends of the first strip-shaped opening. Sliders 10 are fixedly provided at both ends of the baffle 7. The multiple sliders 10 are respectively slidably connected to the corresponding chutes, enabling the baffle 7 to slide stably. A rubber pad is provided on the side wall of the baffle 7 to improve the sealing performance between the baffle 7 and the U-shaped plate and the protective mounting plate.

[0032] In the present utility model, during use, the wedge block 4 is inserted into the corresponding wedge groove, enabling the U-shaped plate 3 to cover the outside of the battery pack. Then, the worm 12 is rotated, and the two worms 12 drive the two worm wheels 14 to rotate, causing the two rotating rods 13 to drive the corresponding rotating strips 9 to rotate, that is, causing the push rod 8 to push the baffle 7 downward, so that the two baffles 7 close the two ends of the U-shaped plate 3, that is, the battery pack can be comprehensively shielded and protected. At this time, the limit sleeve 6 is sleeved outside the limit block 5, that is, the U-shaped plate 3 cannot move, and the installation of the protection device is completed. Operating in the reverse direction can open the protection device to maintain the battery pack, with convenient operation and time and labor saving.

[0033] Only some exemplary embodiments of the present utility model have been described by way of illustration. Undoubtedly, for those of ordinary skill in the art, without departing from the spirit and scope of the present utility model, the described embodiments can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present utility model.

Claims

1. A battery pack protection device, comprising a battery pack mounting plate (1) and a protection mounting plate (2), characterized in that: The protective mounting plate (2) is arranged against the upper surface of the battery pack mounting plate (1), and both ends of the front side of the battery pack mounting plate (1) are provided with wedge-shaped grooves, and a wedge-shaped block (4) is slidably arranged inside the wedge-shaped groove. The upper side of the wedge-shaped block (4) is fixedly connected to the protective mounting plate (2), and the upper surface of the protective mounting plate (2) is provided with an opening, and a U-shaped plate (3) is fixedly arranged inside the opening. The upper surface of the U-shaped plate (3) is provided with a first strip opening on both sides, and a baffle (7) is slidably arranged inside the first strip opening. Limiting blocks (5) are fixedly arranged in the middle of both sides of the upper surface of the battery pack mounting plate (1), and a limiting sleeve (6) is fixedly arranged in the middle of the lower side of the baffle (7), and the limiting sleeve (6) is sleeved on the outer side of the limiting block (5); A fixed shell (11) is fixedly arranged on the upper surface of the U-shaped plate (3), two rotating rods (13) are rotatably arranged on one side of the fixed shell (11), a rotating bar (9) is fixedly arranged at the front end of each of the two rotating rods (13), a push rod (8) is fixedly sleeved inside one end of the rotating bar (9) away from the rotating rod (13), a second strip-shaped opening is opened at the upper end of the baffle (7), and two ends of the push rod (8) respectively extend to the inner side of the corresponding second strip-shaped opening; The upper surface of the fixed shell (11) is provided with a transmission mechanism for driving the two rotating rods (13) to rotate.

2. The protective device for a battery pack according to claim 1, characterized in that: The transmission mechanism comprises a worm wheel (14) and a worm (12), wherein the two worms (12) are rotatably arranged on both sides of the interior of the fixed housing (11), the two ends of the two worms (12) being close to each other are fixedly connected, the two worm wheels (14) are fixedly sleeved on the inner ends of the corresponding rotating rods (13), and the two worms (12) are meshedly connected with the corresponding worm wheels (14).

3. The protective device for the battery pack according to claim 2, characterized in that: One end of the worm (12) on one side extends to the outside of the fixed shell (11) and is fixedly sleeved with a rotating wheel.

4. The protective device for a battery pack according to claim 1, characterized in that: Both ends of the first strip-shaped opening are provided with sliding grooves, and both ends of the baffle (7) are fixedly provided with sliding blocks (10), and a plurality of the sliding blocks (10) are respectively slidably connected to the corresponding sliding grooves.

5. The protective device for a battery pack according to claim 1, characterized in that: The side wall of the baffle (7) is provided with a rubber pad.

6. The protective device for a battery pack according to claim 1, characterized in that: Both sides of the push rod (8) are in contact with the inner wall of the second strip-shaped opening.

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