Anti-vibration structure of battery pack and battery pack

Abstract

The invention relates to the technical field of anti-vibration of battery packs, and discloses an anti-vibration structure of a battery pack and the battery pack, the anti-vibration structure comprises an outer plate, a rotating frame I is fixedly assembled on the side surface of the inner wall of the outer plate, a connecting rod I is rotatably connected to the side surface of the inner wall of the rotating frame I, and a round rod rotatably sleeves the inner wall of the connecting rod I; the outer edge of the end, away from the first connecting rod, of the round rod is rotationally sleeved with a second connecting rod, the outer edge of the round rod is movably sleeved with a torsional spring, and the two ends of the torsional spring are fixedly connected with the inner wall of the first connecting rod and the inner wall of the second connecting rod correspondingly. When the battery pack body is shaken due to vibration in the placement box, the battery pack body drives the side surface of the magnet block I to slide in the inner wall of the arc-shaped groove, so that the adjacent side surfaces of the magnet block I and the magnet block II repel each other, and a spring I assists in pushing the magnet block I to reset, so that the stable limiting of the rotating plate is ensured; and a rotating plate is used for resisting vibration of the placing box and the battery pack body through a rubber buffer pad.

Description

Technical Field

[0001] The present invention relates to the technical field of anti-vibration of battery packs, and in particular to an anti-vibration structure of a battery pack and a battery pack. Background Art

[0002] A battery pack refers to a lithium-ion battery pack, a battery management system and other necessary electrical components packaged in a protective container. In order to assist in the stable installation of the battery pack, a battery pack anti-vibration structure and a battery pack are required.

[0003] During use, traditional battery pack anti-vibration structures mostly place the battery pack inside a fixed frame, and then install an arc-shaped buffer pad inside the fixed frame, thereby using the arc-shaped buffer pad to assist in protecting the battery pack inside the fixed frame, thereby using the arc-shaped buffer pad to assist in shock absorption of the battery pack. However, traditional battery pack anti-vibration structures only use arc-shaped buffer pads for shock absorption, which leads to internal extrusion and wear of the arc-shaped buffer pads due to long-term use, thereby affecting the stable anti-vibration installation of the battery pack, and further affecting the stable use of the device. Summary of the invention

[0004] The present invention provides an anti-vibration structure of a battery pack and a battery pack to solve the problems raised by the above background technology.

[0005] The present invention provides the following technical solution: an anti-vibration structure of a battery pack, comprising an outer plate, a rotating frame 1 is fixedly mounted on the side of the inner wall of the outer plate, a connecting rod 1 is rotatably connected to the side of the inner wall of the rotating frame 1, a round rod is rotatably sleeved on the inner wall of the connecting rod 1, a connecting rod 2 is rotatably sleeved on the outer edge of the round rod away from the end of the connecting rod 1, a torsion spring is movably sleeved on the outer edge of the round rod, and the two ends of the torsion spring are respectively fixedly connected to the inner wall of the connecting rod 1 and the inner wall of the connecting rod 2, the side of the connecting rod 2 close to the top is rotatably connected to the rotating frame 2, and the side of the rotating frame 2 is fixedly mounted to the side of the inner wall of the outer plate, the sides of the connecting rod 1 and the connecting rod 2 are both rotatably connected to a square plate, the side of the square plate is fixedly mounted with an outer cylinder, the inner The wall is slidably sleeved with a slide cylinder, a side plate is fixedly mounted on the side of the slide cylinder, an auxiliary frame is fixedly mounted on the side of the side plate, the inner wall of the auxiliary frame is rotatably connected to a rotating plate, an arc-shaped groove is opened on the top of the auxiliary frame, a magnet block 1 is slidably connected to the inner wall of the arc-shaped groove, and the bottom of the magnet block 1 is fixedly mounted on the top of the rotating plate, the inner walls of the arc-shaped groove near both ends are fixedly mounted with magnet blocks 2, and the two magnet blocks 2 repel the side surfaces adjacent to the magnet block 1, a rubber buffer pad is fixedly mounted on the side of the rotating plate, and a reinforcing rib is fixedly sleeved on the inner wall of the rubber buffer pad, a placement box is fixedly mounted on the side of the rubber buffer pad, an air guide plate is fixedly mounted on the side of the placement box, and a top cover is slidably connected to the top of the placement box.

[0006] As a preferred technical solution of the present invention, springs 1 are fixedly mounted on both sides of the magnet block 1, and ends of the two springs 1 away from the magnet block 1 are fixedly connected to the sides of the two magnet blocks 2 respectively.

[0007] As a preferred technical solution of the present invention, the inner wall of the slide cylinder is slidably sleeved with an inner cylinder, and the side of the inner cylinder is fixedly assembled with the side of the square plate, and the inner wall of the inner cylinder is slidably sleeved with a slide rod, and the side of the slide rod is fixedly assembled with the side of the side plate.

[0008] As a preferred technical solution of the present invention, a magnet ring 1 is fixedly mounted on the side of the slide cylinder, a magnet ring 2 is fixedly sleeved on the side of the inner wall of the outer cylinder, and the magnet ring 2 repels the side adjacent to the magnet ring 1, a spring 2 is fixedly connected to the side of the outer cylinder, and the end of the spring 2 away from the outer cylinder is fixedly connected to the side of the side plate.

[0009] As a preferred technical solution of the present invention, a ventilation groove is opened on the side of the placement box, and the inner cavity of the placement box is connected with the inner cavity of the air guide plate through the inner wall of the ventilation groove, the inner wall of the ventilation groove is rotatably connected with a baffle, the side of the baffle is fixedly equipped with a gear, and the outer edge of the gear is rotatably connected to the inner wall of the placement box.

[0010] As a preferred technical solution of the present invention, an electric telescopic rod is fixedly installed on the top of the inner wall of the placement box, and a toothed plate is fixedly installed on the bottom output end of the electric telescopic rod, and the convex teeth of the toothed plate are meshed with the convex teeth on the outer edge of the gear.

[0011] As a preferred technical solution of the present invention, a card slot is provided at the bottom of the top cover, a card plate is fixedly installed on the side of the placement box close to the top, and the outer edge of the card plate is snap-fitted with the inner wall of the card slot, a temperature sensor is fixedly installed on the bottom of the inner wall of the top cover, and the temperature sensor is electrically connected to the electric telescopic rod.

[0012] As a preferred technical solution of the present invention, the number of the connecting rods 1 is three, and the connection structures on the sides of the three connecting rods 1 are completely consistent. The number of the outer cylinders is ten, and the ten outer cylinders are grouped into five and fixedly assembled on the sides of the two square plates respectively.

[0013] As a preferred technical solution of the present invention, a buffer pad is fixedly mounted on the bottom of the inner wall of the outer plate, and an arc-shaped rubber pad is fixedly mounted on the side of the side plate.

[0014] A battery pack comprises a battery pack body and the anti-vibration structure of the battery pack as described in any one of the above items.

[0015] The present invention has the following beneficial effects:

[0016] 1. The anti-vibration structure of the battery pack and the battery pack are used in conjunction with a placement box and a rotating plate. When the battery pack body is shaken by vibration inside the placement box, the battery pack body drives the side of magnet block 1 to slide in the inner wall of the arc-shaped groove, thereby driving the side of magnet block 1 to slide in the direction of the side of magnet block 2 on both sides, and then the adjacent sides of magnet block 1 and magnet block 2 are repelled, and spring 1 is used to assist in pushing magnet block 1 to reset, thereby ensuring the stable limit of the rotating plate, and using the rotating plate to resist vibration of the placement box and the battery pack body through the rubber buffer pad.

[0017] 2. The anti-vibration structure of the battery pack and the battery pack, through the coordinated use of connecting rod one and connecting rod two, when the battery pack body and the placement box are vibrated, the battery pack body drives the placement box to move toward the sides of the outer plate, and then uses the torsion spring to perform auxiliary limiting in the inner walls of connecting rod one and connecting rod two, thereby driving the battery pack body to move in the direction away from the side of the inner wall of the outer plate, and uses the rubber buffer pad to drive the side plate to move away from the slide cylinder and the slide rod toward the square plate, and then uses the magnet ring one and the magnet ring two adjacent side surfaces to repel each other, and uses the spring two to assist in pushing the side plate to move away from the square plate, thereby assisting in shock absorption of the placement box and the battery pack body inside the placement box. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the front cross-sectional structure of the reinforcing rib of the present invention;

[0020] Figure 3 For the present invention Figure 2 The enlarged structural diagram at A in the middle;

[0021] Figure 4 This is a schematic diagram of the auxiliary frame structure of the present invention;

[0022] Figure 5 For the present invention Figure 4 The enlarged structural diagram at B in the middle;

[0023] Figure 6 This is a schematic diagram of the internal structure of the placement box of the present invention;

[0024] Figure 7 For the present invention Figure 6 The enlarged structural diagram at C in the middle;

[0025] Figure 8 This is a structural schematic diagram of a connecting rod of the present invention;

[0026] Fig. 9 It is a schematic diagram of the front cross-section structure of the guide plate of the present invention;

[0027] Fig.10 For the present invention Fig. 9 Enlarged structural diagram at D in the middle.

[0028] In the figure: 1, outer plate; 2, rotating frame 1; 3, connecting rod 1; 4, round rod; 5, torsion spring; 6, connecting rod 2; 7, rotating frame 2; 8, square plate; 9, outer cylinder; 10, slide cylinder; 11, side plate; 12, auxiliary frame; 13, arc groove; 14, rotating plate; 15, magnet block 1; 16, magnet block 2; 17, spring 1; 18, placement box; 19, rubber buffer pad; 20, inner cylinder; 21, slide rod; 22, magnet ring 1; 23, magnet ring 2; 24, spring 2; 25, air guide plate; 26, baffle; 27, ventilation slot; 28, electric telescopic rod; 29, tooth plate; 30, gear; 31, arc rubber pad; 32, card plate; 33, top cover; 34, card slot; 35, temperature sensor; 36, buffer bottom pad; 37, battery pack body; 38, reinforcing rib. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] See also Figure 1-10A vibration-proof structure of a battery pack, comprising an outer plate 1, a rotating frame 2 is fixedly mounted on the side of the inner wall of the outer plate 1, a connecting rod 3 is rotatably connected to the side of the inner wall of the rotating frame 2, a round rod 4 is rotatably sleeved on the inner wall of the connecting rod 3, a connecting rod 2 6 is rotatably sleeved on the outer edge of the round rod 4 away from one end of the connecting rod 3, a torsion spring 5 is movably sleeved on the outer edge of the round rod 4, and the two ends of the torsion spring 5 are respectively fixedly connected to the inner wall of the connecting rod 3 and the inner wall of the connecting rod 2 6, and the side of the connecting rod 2 6 near the top is rotatably sleeved on the inner wall of the connecting rod 3. The outer plate 1 is rotatably connected with a rotating frame 2 7, and the side of the rotating frame 2 7 is fixedly assembled with the side of the inner wall of the outer plate 1, the side of the connecting rod 1 3 and the side of the connecting rod 2 6 are both rotatably connected with a square plate 8, the side of the square plate 8 is fixedly assembled with an outer cylinder 9, the inner wall of the outer cylinder 9 is slidably sleeved with a slide cylinder 10, the side of the slide cylinder 10 is fixedly assembled with a side plate 11, the side of the side plate 11 is fixedly assembled with an auxiliary frame 12, the inner wall of the auxiliary frame 12 is rotatably connected with a rotating plate 14, the top of the auxiliary frame 12 is provided with an arc groove 13, the arc groove The inner wall of the arc groove 13 is slidably connected with a magnet block 15, and the bottom of the magnet block 15 is fixedly assembled with the top of the rotating plate 14. The inner walls of the arc groove 13 near both ends are fixedly assembled with magnet blocks 2 16, and the two magnet blocks 2 16 repel the side surfaces adjacent to the magnet block 15. The side of the rotating plate 14 is fixedly assembled with a rubber buffer pad 19, and the inner wall of the rubber buffer pad 19 is fixedly sleeved with a reinforcing rib 38. The side of the rubber buffer pad 19 is fixedly assembled with a placement box 18, and the side of the placement box 18 The surface is fixedly equipped with an air guide plate 25, and the top of the placement box 18 is slidably connected with a top cover 33. Through the cooperation of magnet block 15 and magnet block 2 16, the side of magnet block 15 is used to slide in the inner wall of the arc groove 13, so that the side of magnet block 15 is used to move toward the side of magnet block 2 16, and then the adjacent sides of magnet block 15 and magnet block 2 16 are used to repel each other, so that the rotating plate 14 is used to assist in limiting the position in the inner wall of the auxiliary frame 12 as magnet block 15 moves. Through the installation of reinforcing ribs 38, the internal support strength of the rubber buffer pad 19 is enhanced by the reinforcing ribs 38. The reinforcing ribs 38 are made of metal material and embedded in the rubber buffer pad 19, so as to improve the strength and stability of the rubber buffer pad 19. Through the cooperation of the placement box 18 and the air guide plate 25, the air guide plate 25 is installed, so that the air guide plate 25 is used to assist in the heat removal of the internal heat of the placement box 18, thereby assisting the heat dissipation of the battery pack body 37.

[0031] In a preferred embodiment, springs 17 are fixedly installed on both sides of magnet block 15, and the ends of the two springs 17 away from magnet block 15 are respectively fixedly connected to the sides of the two magnet blocks 16. By using springs 17 in coordination with magnet block 15, springs 17 are used to assist in pushing between magnet block 15 and magnet block 2 16, thereby preventing magnet block 15 and magnet block 2 16 from being too close to each other, thereby further assisting in limiting the rotating plate 14.

[0032] In a preferred embodiment, the inner wall of the slide cylinder 10 is slidably sleeved with an inner cylinder 20, and the side of the inner cylinder 20 is fixedly assembled with the side of the square plate 8, and the inner wall of the inner cylinder 20 is slidably sleeved with a slide rod 21, and the side of the slide rod 21 is fixedly assembled with the side of the side plate 11. By the coordinated use of the inner cylinder 20 and the slide rod 21, the outer edge of the slide rod 21 is used to slide in the inner wall of the inner cylinder 20, thereby assisting in driving the square plate 8 and the side plate 11 to adjust their positions.

[0033] In a preferred embodiment, a magnet ring 22 is fixedly mounted on the side of the slide cylinder 10, a magnet ring 23 is fixedly sleeved on the side of the inner wall of the outer cylinder 9, and the magnet ring 23 repels the side adjacent to the magnet ring 22, a spring 24 is fixedly connected to the side of the outer cylinder 9, and the end of the spring 24 away from the outer cylinder 9 is fixedly connected to the side of the side plate 11, and the magnet ring 22 and the magnet ring 23 are used in coordination, so that the adjacent sides of the magnet ring 22 and the magnet ring 23 repel each other and move in the opposite direction, and the spring 24 assists in pushing the outer cylinder 9 to move in a direction away from the side plate 11.

[0034] In a preferred embodiment, a ventilation groove 27 is opened on the side of the placement box 18, and the inner cavity of the placement box 18 is connected to the inner cavity of the air guide plate 25 through the inner wall of the ventilation groove 27, and the inner wall of the ventilation groove 27 is rotatably connected with a baffle 26. The side of the baffle 26 is fixedly equipped with a gear 30, and the outer edge of the gear 30 is rotatably connected to the inner wall of the placement box 18. Through the coordinated use of the ventilation groove 27 and the baffle 26, the baffle 26 is used to rotate in the inner wall of the ventilation groove 27, thereby assisting the inner cavity of the placement box 18 to be connected to the inner cavity of the air guide plate 25 through the inner wall of the ventilation groove 27, and the rotation of the baffle 26 is used to assist in sealing the inner wall of the ventilation groove 27. The baffle 26 and the air guide plate 25 are both made of copper, so that the baffle 26 body is used to assist the internal heat dissipation of the placement box 18, and the baffle 26 is rotated to further improve the heat dissipation effect of the device.

[0035] In a preferred embodiment, an electric telescopic rod 28 is fixedly installed on the top of the inner wall of the placement box 18, and a tooth plate 29 is fixedly installed on the bottom output end of the electric telescopic rod 28, and the convex teeth of the tooth plate 29 are meshed with the convex teeth on the outer edge of the gear 30. By using the electric telescopic rod 28 and the tooth plate 29 in coordination, the electric telescopic rod 28 is used to drive the tooth plate 29 to move, and then the tooth plate 29 is used to drive the gear 30 to mesh and rotate.

[0036] In a preferred embodiment, a card slot 34 is provided at the bottom of the top cover 33, and a card plate 32 is fixedly installed on the side of the placement box 18 near the top, and the outer edge of the card plate 32 is snapped with the inner wall of the card slot 34, and a temperature sensor 35 is fixedly installed on the bottom of the inner wall of the top cover 33, and the temperature sensor 35 is electrically connected to the electric telescopic rod 28. Through the coordinated use of the card plate 32 and the card slot 34, the outer edge of the card plate 32 is arc-shaped, and then the outer edge of the card plate 32 is assisted by the downward movement of the top cover 33 to dock and limit the inner wall of the card slot 34, thereby ensuring that the top cover 33 is stably installed, and through the installation of the temperature sensor 35, the temperature sensor 35 is used to assist in monitoring the internal temperature of the placement box 18. When the temperature is too high, the temperature sensor 35 assists in controlling the electric telescopic rod 28 to drive the tooth plate 29 to move, and then drives the baffle 26 to rotate, so as to facilitate ventilation inside the ventilation slot 27.

[0037] In a preferred embodiment, the number of connecting rods 3 is three, and the connection structures on the sides of the three connecting rods 3 are completely consistent, the number of outer cylinders 9 is ten, and the ten outer cylinders 9 are grouped into five and fixedly assembled on the sides of the two square plates 8 respectively. By adding three connecting rods 3, the three connecting rods 1 3 and the three connecting rods 2 6 are used to assist in driving the square plates 8 to perform shock-absorbing adjustment movement.

[0038] In a preferred embodiment, a buffer pad 36 is fixedly installed on the bottom of the inner wall of the outer panel 1, and an arc-shaped rubber pad 31 is fixedly installed on the side of the side panel 11. By adding the buffer pad 36 and the arc-shaped rubber pad 31, the shock-absorbing effect of the device is further improved.

[0039] A battery pack includes a battery pack body 37 and an anti-vibration structure of the battery pack as described above. The battery pack body 37 is installed so as to be stored in the inner cavity of a storage box 18, and the bottom of the top cover 33 is connected to the top of the storage box 18 to assist in the stable installation of the battery pack body 37, thereby utilizing the anti-vibration structure to provide stable anti-vibration protection for the battery pack body 37.

[0040] Working principle: when the device is in use, when the battery pack body 37 is vibrated and shakes inside the placement box 18, the battery pack body 37 drives the side of the magnet block 15 to slide in the inner wall of the arc groove 13, thereby driving the side of the magnet block 15 to slide in the direction of the side of the magnet block 2 16 on both sides, and then the adjacent sides of the magnet block 15 and the magnet block 2 16 are repelled, and the spring 17 is used to assist in pushing the magnet block 15 to reset, thereby ensuring the stable limit of the rotating plate 14, and the rotating plate 14 is used to resist vibration of the placement box 18 and the battery pack body 37 through the rubber buffer pad 19, and when the battery pack body 37 and the placement box 18 are vibrated, the battery pack body 37 drives the placement box 18 to move in the directions of both sides of the outer plate 1, and then the torsion spring 5 is used to perform auxiliary limit in the inner walls of the connecting rod 1 3 and the connecting rod 2 6, thereby driving the battery pack body 37 moves in the direction away from the inner wall side of the outer plate 1, and uses the rubber buffer pad 19 to drive the side plate 11 to move away from the slide cylinder and the slide rod 21 toward the square plate 8, and then uses the magnet ring 1 22 to repel the adjacent sides of the magnet ring 23, and uses the spring 24 to assist in pushing the side plate 11 to move in the direction away from the square plate 8, thereby assisting in shock absorption of the placement box 18 and the battery pack body 37 inside the placement box 18, and uses the copper material of the baffle 26 to assist in heat dissipation of the battery pack body 37, and the temperature sensor 35 assists in monitoring the internal temperature of the placement box 18. When the temperature is too high, the temperature sensor 35 assists in controlling the electric telescopic rod 28 to drive the tooth plate 29 to move, and then drives the baffle 26 to rotate in the inner wall of the ventilation slot 27, so as to facilitate ventilation inside the ventilation slot 27, thereby utilizing the air guide plate 25 and the ventilation slot 27 to assist in heat dissipation of the battery pack body 37.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vibration-resistant structure of a battery pack, comprising an outer plate (1), characterized in that: A rotating frame (2) is fixedly mounted on the side of the inner wall of the outer plate (1), a connecting rod (3) is rotatably connected to the side of the inner wall of the rotating frame (2), a round rod (4) is rotatably sleeved on the inner wall of the connecting rod (3), a connecting rod (6) is rotatably sleeved on the outer edge of the round rod (4) away from one end of the connecting rod (3), a torsion spring (5) is movably sleeved on the outer edge of the round rod (4), and two ends of the torsion spring (5) are respectively connected to the inner wall of the connecting rod (3) and the connecting rod (6). ), the side surface of the second connecting rod (6) near the top is rotatably connected to the second rotating frame (7), and the side surface of the second rotating frame (7) is fixedly assembled with the side surface of the inner wall of the outer plate (1), the side surfaces of the first connecting rod (3) and the second connecting rod (6) are both rotatably connected to the square plate (8), the side surface of the square plate (8) is fixedly assembled with an outer cylinder (9), the inner wall of the outer cylinder (9) is slidably sleeved with a sliding cylinder (10), and the side surface of the sliding cylinder (10) is fixedly assembled with a side plate ( 11), the side of the side plate (11) is fixedly equipped with an auxiliary frame (12), the inner wall of the auxiliary frame (12) is rotatably connected with a rotating plate (14), the top of the auxiliary frame (12) is provided with an arc-shaped groove (13), the inner wall of the arc-shaped groove (13) is slidably connected with a magnet block 1 (15), and the bottom of the magnet block 1 (15) is fixedly equipped with the top of the rotating plate (14), and the inner walls of the arc-shaped groove (13) near both ends are fixedly equipped with magnet blocks 2 (16 ), and the two magnet blocks 2 (16) repel each other on the adjacent sides of the magnet block 1 (15), the side of the rotating plate (14) is fixedly equipped with a rubber buffer pad (19), and the inner wall of the rubber buffer pad (19) is fixedly sleeved with a reinforcing rib (38), the side of the rubber buffer pad (19) is fixedly equipped with a placement box (18), the side of the placement box (18) is fixedly equipped with an air guide plate (25), and the top of the placement box (18) is slidably connected with a top cover (33).

2. The anti-vibration structure of a battery pack according to claim 1, characterized in that: Springs 1 (17) are fixedly mounted on both sides of the magnet block 1 (15), and one end of the two springs 1 (17) away from the magnet block 1 (15) is fixedly connected to the side surfaces of the two magnet blocks 2 (16) respectively.

3. The anti-vibration structure of a battery pack according to claim 1, characterized in that: The inner wall of the slide cylinder (10) is slidably sleeved with an inner cylinder (20), and the side of the inner cylinder (20) is fixedly assembled with the side of the square plate (8); the inner wall of the inner cylinder (20) is slidably sleeved with a slide rod (21), and the side of the slide rod (21) is fixedly assembled with the side of the side plate (11).

4. The anti-vibration structure of a battery pack according to claim 1, characterized in that: The side of the slide cylinder (10) is fixedly mounted with a magnet ring 1 (22); the side of the inner wall of the outer cylinder (9) is fixedly sleeved with a magnet ring 2 (23), and the magnet ring 2 (23) repels the side adjacent to the magnet ring 1 (22); the side of the outer cylinder (9) is fixedly connected with a spring 2 (24), and the end of the spring 2 (24) away from the outer cylinder (9) is fixedly connected to the side of the side plate (11).

5. The anti-vibration structure of a battery pack according to claim 1, characterized in that: A ventilation slot (27) is provided on the side of the placement box (18), and the inner cavity of the placement box (18) is connected to the inner cavity of the air guide plate (25) through the inner wall of the ventilation slot (27). The inner wall of the ventilation slot (27) is rotatably connected to a baffle (26), and a gear (30) is fixedly mounted on the side of the baffle (26), and the outer edge of the gear (30) is rotatably connected to the inner wall of the placement box (18).

6. The anti-vibration structure of a battery pack according to claim 1, characterized in that: An electric telescopic rod (28) is fixedly mounted on the top of the inner wall of the placement box (18), and a toothed plate (29) is fixedly mounted on the bottom output end of the electric telescopic rod (28), and the convex teeth of the toothed plate (29) mesh with the convex teeth on the outer edge of the gear (30).

7. The anti-vibration structure of a battery pack according to claim 1, characterized in that: A card slot (34) is provided at the bottom of the top cover (33); a card plate (32) is fixedly mounted on the side of the placement box (18) close to the top, and the outer edge of the card plate (32) is snap-fitted with the inner wall of the card slot (34); a temperature sensor (35) is fixedly mounted on the bottom of the inner wall of the top cover (33), and the temperature sensor (35) is electrically connected to the electric telescopic rod (28).

8. The anti-vibration structure of a battery pack according to claim 1, characterized in that: The number of the connecting rods (3) is three, and the connection structures of the sides of the three connecting rods (3) are completely consistent. The number of the outer cylinders (9) is ten, and the ten outer cylinders (9) are grouped into five and fixedly assembled with the sides of the two square plates (8) respectively.

9. The anti-vibration structure of a battery pack according to claim 1, characterized in that: A buffer pad (36) is fixedly mounted on the bottom of the inner wall of the outer plate (1), and an arc-shaped rubber pad (31) is fixedly mounted on the side of the side plate (11).

10. A battery pack, characterized in that: The invention comprises a battery pack body (37) and an anti-vibration structure of the battery pack as claimed in any one of claims 1 to 9.

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