A battery device for new energy vehicles with disengagement protection function

Abstract

The application discloses a battery device with a disengagement protection function for a new energy vehicle, and belongs to the technical field of new energy vehicle batteries, which comprises a battery body, a bottom supporting plate arranged below the battery body, an adjusting supporting mechanism fixedly connected to the bottom supporting plate and used for supporting the battery body, a surface protection mechanism arranged around the battery body, a lower damping mechanism fixedly connected to the adjusting supporting mechanism and located on both sides of the bottom supporting plate and used for buffering the battery body, and a side damping mechanism fixedly connected to both sides of the battery body. On the basis of realizing energy supply for the new energy vehicle, the battery can be protected by using a multiple buffering mechanism, and can be adaptively adjusted according to the mounting condition of the vehicle.

Description

Technical Field

[0001] This invention relates to the field of new energy vehicle battery technology, and more specifically, to a battery device for new energy vehicles with a disconnection protection function. Background Technology

[0002] New energy vehicles refer to automobiles that use unconventional vehicle fuels as their power source and integrate advanced technologies in vehicle power control and drive, resulting in vehicles with advanced technical principles, new technologies, and new structures. Currently, most new energy vehicles use high-voltage batteries as their power source.

[0003] Traditional battery packs typically use a simple, rigid fixing method to secure the battery pack to the vehicle chassis, lacking effective adjustment and cushioning mechanisms. When the battery undergoes minor deformation during use, it can easily lead to fatigue fracture of the connectors, thus causing safety hazards. Especially under long-term vibration environments, the fixing bolts may loosen, resulting in decreased stability of the connection between the battery and the vehicle, increasing the risk of accidents. At the same time, the protection design of existing battery systems is often limited to basic shell protection, lacking specialized protection mechanisms against impacts from different directions. In side collisions, traditional battery packs are prone to damage to the cells due to shell deformation, which can lead to short circuits and thermal runaway. Summary of the Invention

[0004] 1. Technical problems to be solved In view of the problems existing in the prior art, the purpose of the present invention is to provide a battery device for new energy vehicles with a disconnection protection function. The present invention can not only provide energy to new energy vehicles, but also protect the battery with multiple buffering mechanisms, and can adaptively adjust according to the installation of the vehicle.

[0005] 2. Technical Solution

[0006] To solve the above problems, the present invention adopts the following technical solution: A battery device for new energy vehicles with a disconnection protection function includes: a battery body, a base plate provided below the battery body, an adjustable support mechanism for supporting the battery body fixedly connected to the base plate, surface protection mechanisms provided around the battery body, a lower shock-absorbing mechanism for buffering the battery body fixedly connected to the adjustable support mechanism on both sides of the base plate, and a side shock-absorbing mechanism fixedly connected to both sides of the battery body.

[0007] In a preferred embodiment of the present invention, the adjusting support mechanism includes two first reinforcing seats fixedly connected to the base plate. The first reinforcing seats are provided with first connecting seats, and adjusting seats are fixedly connected to the first connecting seats. The inner wall of the adjusting seats is provided with adjusting claws, and the inner wall of the adjusting claws is slidably connected to a lower clamping seat. Two hinge frames are rotatably connected to the lower clamping seat, and an upper clamping seat is rotatably connected to the top of the hinge frames. The upper clamping seat is provided with two connecting plates fixedly connected to the battery body, and multiple connecting bolts are rotatably connected to the connecting plates.

[0008] As a preferred embodiment of the present invention, the first reinforcing base is provided with a first retaining plate, the bottom of the first connecting base is provided with a first retaining groove, and the first retaining plate is slidably connected in the first retaining groove; the upper retaining base is provided with a second retaining plate, the bottom of the connecting plate is provided with a second retaining groove, and the second retaining plate is slidably disposed in the second retaining groove.

[0009] In a preferred embodiment of the present invention, the adjusting seat is provided with an arc-shaped groove, the adjusting claw is slidably connected to the arc-shaped groove by an adjusting bolt, and an adjusting nut is threaded onto the adjusting bolt.

[0010] As a preferred embodiment of the present invention, the surface protection mechanism includes a second mounting base fixedly connected to the battery body and a first mounting base fixedly connected to the base plate. A first toothed plate is fixedly connected to the first mounting base. A first gear is rotatably connected to the inner wall of the second mounting base. Two second toothed plates are slidably connected to the inner wall of the second mounting base, and the two second toothed plates mesh with the first gear. A rubber protective block is fixedly connected to the surface of the second toothed plate.

[0011] As a preferred embodiment of the present invention, the inner wall of the second mounting base is rotatably connected to two sets of auxiliary rollers, and the auxiliary rollers are in contact with the second toothed plate. A first bevel gear is fixedly connected to the first gear, and a second bevel gear is rotatably connected to the second mounting base. The first bevel gear meshes with the second bevel gear, and a second gear is fixedly connected to the second bevel gear, and the second gear meshes with the first toothed plate.

[0012] As a preferred embodiment of the present invention, the lower shock absorption mechanism includes a third mounting base fixedly connected to the bottom support plate. Two first spring telescopic rods are fixedly connected to the third mounting base. A second connecting seat is fixedly connected to one end of each first spring telescopic rod. A first connecting rod is rotatably connected to the second connecting seat. One end of each first connecting rod is rotatably connected to the first support plate. Two second connecting rods are rotatably connected to the bottom of the first support plate. One end of each second connecting rod is fixedly connected to both ends of the second spring telescopic rod.

[0013] In a preferred embodiment of the present invention, a plurality of third toothed plates are fixedly connected to the first support plate, two third gears are rotatably connected to the third mounting base and mesh with the third toothed plates, a fourth gear is fixedly connected to the third gear, a horizontally extending guide rod is provided on the third mounting base, two fourth toothed plates are slidably connected to the guide rod and mesh with the two fourth gears respectively, and the two fourth toothed plates are elastically connected by a third spring telescopic rod.

[0014] As a preferred embodiment of the present invention, the side shock absorption mechanism includes a shock absorption frame fixedly connected to the battery body. A fifth spring telescopic rod is fixedly connected to both sides of the inner wall of the shock absorption frame. A guide groove is provided on both sides of the shock absorption frame. Two connecting shafts are slidably connected to the guide grooves, and the two connecting shafts are respectively fixedly connected to two fifth spring telescopic rods. A third connecting rod is rotatably connected to the connecting shafts, and one end of the third connecting rod is rotatably connected to the protective cover.

[0015] As a preferred embodiment of the present invention, the side shock absorption mechanism further includes two fourth mounting seats fixedly connected to the battery body. A folded seat is fixedly connected to the fourth mounting seat, and a fourth spring telescopic rod for longitudinal adjustment is fixedly connected to the folded seat. A reinforcing rod that contacts the protective cover is fixedly connected to the piston rod of the fourth spring telescopic rod.

[0016] 3. Beneficial effects

[0017] Compared with the prior art, the advantages of this invention are: (1) In this invention, the battery body is connected to the adjustment support mechanism through the bottom plate to achieve basic support. The surface protection mechanism surrounds the battery. The bottom shock absorption mechanism and the side shock absorption mechanism absorb the bottom and side impacts respectively. The arc groove design and adjustment bolts in the adjustment support mechanism allow for fine-tuning and fixing according to the actual size and shape of the battery, which improves the installation accuracy and can also adapt to the volume deformation generated during the charging and discharging of the battery, avoiding deformation of the battery shell or internal damage caused by the accumulation of mechanical stress.

[0018] (2) Through the coordinated work of the lower shock absorption mechanism and the side shock absorption mechanism, the present invention provides multi-dimensional impact protection. The first spring telescopic rod and the second connecting seat on the third mounting seat form the first buffer defense line, which can absorb the impact energy from the bottom. The meshing mechanism of the fourth tooth plate and the fourth gear further converts the linear impact into rotational motion, significantly reducing the instantaneous impact peak. The rubber protective block and auxiliary roller design in the surface protection mechanism not only provide impact protection, but also have a certain sealing and dustproof function, reducing the corrosion of the battery interface and shell by dust, moisture and other pollutants. Attached Figure Description

[0019] Figure 1 This is a first-view perspective perspective view of the present invention; Figure 2 for Figure 1 The exploded view of the adjustment support mechanism in the battery device for new energy vehicles shown. Figure 3 for Figure 2 Enlarged view of the local structure at point A in the middle; Figure 4 for Figure 1 The diagram shows a surface protection mechanism in a battery device for new energy vehicles. Figure 5 for Figure 1 A schematic diagram of the lower shock absorption mechanism in the battery device for new energy vehicles. Figure 6 for Figure 5 A schematic diagram of a partial structure; Figure 7 for Figure 1 A first-view schematic diagram of the side damping mechanism in a battery device for new energy vehicles. Figure 8 for Figure 1 The diagram shows a second-view perspective of the side damping mechanism in a battery device for new energy vehicles.

[0020] Explanation of the labels in the diagram: 1. Battery body; 2. Adjustment support mechanism; 201. First reinforcing seat; 202. First connecting seat; 203. Adjusting seat; 204. Adjusting gripper; 205. Lower clamping seat; 206. Hinge frame; 207. Upper clamping seat; 208. Connecting plate; 209. Connecting bolt; 210. First clamping plate; 211. First clamping slot; 212. Arc groove; 213. Adjusting bolt; 214. Adjusting nut; 215. Second clamping plate; 216. Second clamping slot; 3. Base plate; 4. Surface protection mechanism; 401. First mounting seat; 402. First toothed plate; 403. Second mounting seat; 404. First gear; 405. Second toothed plate; 406. Rubber protective block; 407. Auxiliary roller; 408. First bevel gear; 409. Second... 410. Bevel gear; 5. Second gear; 6. Lower shock absorption mechanism; 501. Third mounting base; 502. First spring telescopic rod; 503. Second connecting base; 504. First connecting rod; 505. First support plate; 506. Second spring telescopic rod; 507. Second connecting rod; 508. Third gear plate; 509. Third gear; 510. Fourth gear; 511. Guide rod; 512. Fourth gear plate; 513. Third spring telescopic rod; 6. Side shock absorption mechanism; 601. Protective cover; 602. Reinforcing rod; 603. Fourth mounting base; 604. Folded seat; 605. Fourth spring telescopic rod; 606. Shock absorption frame; 607. Fifth spring telescopic rod; 608. Guide groove; 609. Connecting shaft; 610. Third connecting rod. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0022] Example:

[0023] Please see Figure 1-8 A battery device for new energy vehicles with a detachment protection function includes: a battery body 1, a base plate 3 below the battery body 1, an adjustment support mechanism 2 for supporting the battery body 1 fixedly connected to the base plate 3, surface protection mechanisms 4 on all four sides of the battery body 1, a lower shock absorption mechanism 5 for buffering the battery body 1 fixedly connected to the adjustment support mechanism 2 on both sides of the base plate 3, and a side shock absorption mechanism 6 fixedly connected to both sides of the battery body 1.

[0024] In a specific embodiment of the present invention, the battery body 1 is connected to the adjustment support mechanism 2 via the base plate 3 to achieve basic support. The surface protection mechanism 4 surrounds the battery. The lower shock absorption mechanism 5 and the side shock absorption mechanism 6 absorb the bottom and side impacts respectively. The arc groove 212 design and the adjustment bolt 213 in the adjustment support mechanism 2 allow for fine-tuning and fixing according to the actual size and shape of the battery, improving installation accuracy. It can also adapt to the volume deformation generated during battery charging and discharging, avoiding battery casing deformation or internal damage caused by mechanical stress accumulation. Through the coordinated work of the lower shock absorption mechanism 5 and the side shock absorption mechanism 6, multi-dimensional impact protection is provided. The first spring telescopic rod 502 and the second connecting seat 503 on the third mounting seat 501 form the first buffer line, which can absorb the impact energy from the bottom. The meshing mechanism of the fourth toothed plate 512 and the fourth gear 510 further converts the linear impact into rotational motion, significantly reducing the instantaneous impact peak. The rubber protective block 406 and the auxiliary roller 407 in the surface protection mechanism 4 not only provide impact protection, but also have a certain sealing and dustproof function, reducing the corrosion of the battery interface and casing by dust, moisture and other pollutants.

[0025] Specifically, the adjustment support mechanism 2 includes two first reinforcing seats 201 fixedly connected to the base plate 3. The first reinforcing seats 201 are provided with first connecting seats 202. The first connecting seats 202 are fixedly connected with adjusting seats 203. The inner wall of the adjusting seats 203 is provided with adjusting claws 204. The inner wall of the adjusting claws 204 is slidably connected with a lower clamping seat 205. The lower clamping seat 205 is rotatably connected with two hinge frames 206. The top of the hinge frames 206 is rotatably connected with an upper clamping seat 207. The upper clamping seat 207 is provided with two connecting plates 208 fixedly connected to the battery body 1. Multiple connecting bolts 209 are rotatably connected to the connecting plates 208.

[0026] In a specific embodiment of the present invention, the first reinforcing seat 201 and the adjusting seat 203 form a rigid base, the adjusting claw 204 adjusts the angle through the arc groove 212, the hinge frame 206 links the upper card seat 207 and the connecting plate 208, and the connecting bolt 209 fixes the battery body 1. The arc groove 212 is designed to allow for angle adaptation to accommodate the expansion of the battery during charging and discharging. The mechanical self-adaptive structure avoids stress concentration caused by battery deformation and extends battery life.

[0027] Specifically, the first reinforcing seat 201 is provided with a first retaining plate 210, the bottom of the first connecting seat 202 is provided with a first retaining groove 211, and the first retaining plate 210 is slidably connected in the first retaining groove 211. The upper retaining seat 207 is provided with a second retaining plate 215, the bottom of the connecting plate 208 is provided with a second retaining groove 216 for sliding connection to the second retaining plate 215, and the second retaining plate 215 is slidably disposed in the second retaining groove 216, that is, the connecting plate 208 is provided with a second retaining groove 216 that slidably engages with the second retaining plate 215; the adjusting seat 203 is provided with an arc-shaped groove 212, the adjusting claw 204 is slidably connected in the arc-shaped groove 212 by an adjusting bolt 213, and an adjusting nut 214 is threadedly connected to the adjusting bolt 213.

[0028] Preferably, the adjusting seat 203 has an arc-shaped groove 212, and the adjusting jaw 204 has an adjusting bolt 213 that passes through the arc-shaped groove 212. The adjusting bolt 213 can move along the arc-shaped groove 212 and be locked by the adjusting nut 214.

[0029] In a specific embodiment of the present invention, the first clamping plate 210 locks the first reinforcing seat 201 and the first connecting seat 202 with the first clamping groove 211, the second clamping plate 215 is slidably connected with the second clamping groove 216, and the adjusting bolt 213 is locked by the adjusting nut 214 after moving along the arc groove 212, so as to realize the radial fine adjustment of the adjusting claw 204. The double clamping improves the impact resistance stability, improves the adjustment accuracy, and reduces the maintenance and disassembly time.

[0030] Specifically, the surface protection mechanism 4 includes a second mounting base 403 fixedly connected to the battery body 1 and a first mounting base 401 fixedly connected to the base plate 3. A first toothed plate 402 is fixedly connected to the first mounting base 401. A first gear 404 is rotatably connected to the inner wall of the second mounting base 403. Two second toothed plates 405 are slidably connected to the inner wall of the second mounting base 403, and the two second toothed plates 405 mesh with the first gear 404. Rubber is fixedly connected to the surface of the second toothed plates 405. The inner wall of the protective block 406 and the second mounting base 403 is rotatably connected to two sets of auxiliary rollers 407, and the auxiliary rollers 407 are in contact with the second toothed plate 405. A first bevel gear 408 is fixedly connected to the first gear 404, and a second bevel gear 409 is rotatably connected to the second mounting base 403. The first bevel gear 408 and the second bevel gear 409 mesh with each other. A second gear 410 is fixedly connected to the second bevel gear 409, and the second gear 410 meshes with the first toothed plate 402.

[0031] In a specific embodiment of the present invention, the first toothed plate 402 pushes the second gear 410 as the battery moves, driving the first bevel gear 408 and the second bevel gear 409 to drive the first gear 404, and the two sides of the second toothed plate 405 are linked to make the rubber protective block 406 move inward, thereby protecting the upper and lower sides of the battery body 1. The auxiliary roller 407 reduces the frictional loss of the second toothed plate 405.

[0032] Specifically, the lower shock absorption mechanism 5 includes a third mounting base 501 fixedly connected to the bottom support plate 3. Two first spring telescopic rods 502 are fixedly connected to the third mounting base 501. A second connecting base 503 is fixedly connected to one end of each first spring telescopic rod 502. A first connecting rod 504 is rotatably connected to the second connecting base 503. One end of the first connecting rod 504 is rotatably connected to the first support plate 505. Two second connecting rods 507 are rotatably connected to the bottom of the first support plate 505. One end of each of the two second connecting rods 507 is respectively connected to one end of the second spring telescopic rod 506. The first support plate 505 is fixedly connected to a third toothed plate 508. The third mounting base 501 is rotatably connected to two third gears 509, which mesh with the third toothed plates 508. The third gears 509 are fixedly connected to a fourth gear 510. The third mounting base 501 is provided with a horizontally extending guide rod 511. The guide rod 511 is slidably connected to two fourth toothed plates 512, which mesh with the two fourth gears 510 respectively. The two fourth toothed plates 512 are elastically connected by a third spring telescopic rod 513.

[0033] In a specific embodiment of the present invention, the first connecting rod 504 buffers vertical vibration through the first spring telescopic rod 502, the second connecting rod 507 transmits the impact to the second spring telescopic rod 506, and at the same time the third toothed plate 508 drives the third gear 509 and the fourth gear 510 to rotate, pushing the fourth toothed plate 512 to compress the third spring telescopic rod 513, thus converting the linear impact into rotational kinetic energy dissipation.

[0034] Specifically, the side shock absorption mechanism 6 includes a shock absorption frame 606 fixedly connected to the battery body 1. Fifth spring telescopic rods 607 are fixedly connected to both sides of the inner wall of the shock absorption frame 606. Guide grooves 608 are provided on both sides of the shock absorption frame 606. Two connecting shafts 609 are slidably connected to the guide grooves 608, and the two connecting shafts 609 are respectively fixedly connected to the two fifth spring telescopic rods 607. A third connecting rod 610 is rotatably connected to the connecting shafts 609. One end of the third connecting rod 610 is rotatably connected to the protective cover 601. The side shock absorption mechanism 6 also includes two fourth mounting seats 603 fixedly connected to the battery body 1. A folding seat 604 is fixedly connected to the fourth mounting seat 603. A fourth spring telescopic rod 605 for longitudinal adjustment is fixedly connected to the folding seat 604. A reinforcing rod 602 that contacts the protective cover 601 is fixedly connected to the piston rod of the fourth spring telescopic rod 605.

[0035] Preferably, when the protective cover 601 is impacted, the third connecting rod 610 pushes the connecting shaft 609 to slide in the guide groove 608, thereby compressing the fifth spring telescopic rod 607.

[0036] In a specific embodiment of the present invention, the fifth spring telescopic rod 607 drives the third connecting rod 610 through the connecting shaft 609, pushing the protective cover 601 to unfold outward, and the reinforcing rod 602 is controlled in longitudinal position by the fourth spring telescopic rod 605, forming a rigid support surface with the protective cover 601.

[0037] A method for using a battery device for new energy vehicles with a disconnection protection function includes the following steps: The adjustment support mechanism 2 forms a stable support structure through the first reinforcing seat 201, the first connecting seat 202 and the adjustment seat 203. The adjustment claw 204 is connected to the lower card seat 205 through the hinge frame 206 and the upper card seat 207, and finally fixed to the battery body 1 through the connecting plate 208 and the connecting bolt 209. When the battery is subjected to external impact, the first toothed plate 402 drives the second gear 410 and the second bevel gear 409 to rotate. At this time, the first bevel gear 408 drives the first gear 404 to rotate. The first gear 404 drives the second toothed plate 405 and the rubber protective block 406 to move, so that the rubber protective block 406 quickly approaches the battery body 1 to form a buffer. The lower shock absorption mechanism 5 and the side shock absorption mechanism 6 together form a multi-dimensional shock absorption network. The first spring telescopic rod 502, the second connecting rod 507 and the third spring telescopic rod 513 work together to effectively absorb impacts and vibrations from different directions. When the vehicle collides, the meshing mechanism of the fourth toothed plate 512 and the fourth gear 510 can convert the impact force into rotational motion, significantly reducing the instantaneous impact force transmitted to the battery.

[0038] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and its improved concept, should be covered within the scope of protection of the present invention.

Claims

1. A battery device for new energy vehicles with a disconnection protection function, characterized in that, include: The battery body (1) has a base plate (3) below it. An adjustment support mechanism (2) for supporting the battery body (1) is fixedly connected to the base plate (3). A surface protection mechanism (4) is provided around the battery body (1). A lower shock-absorbing mechanism (5) for buffering the battery body (1) is fixedly connected to the adjustment support mechanism (2) on both sides of the base plate (3). A side shock-absorbing mechanism (6) is fixedly connected to both sides of the battery body (1).

2. The battery device for new energy vehicles with a disconnection protection function according to claim 1, characterized in that, The adjustment support mechanism (2) includes two first reinforcing seats (201) fixedly connected to the base plate (3). The first reinforcing seat (201) is provided with a first connecting seat (202). An adjustment seat (203) is fixedly connected to the first connecting seat (202). An adjustment claw (204) is provided on the inner wall of the adjustment seat (203). A lower clamping seat (205) is slidably connected to the inner wall of the adjustment claw (204). Two hinge frames (206) are rotatably connected to the lower clamping seat (205). An upper clamping seat (207) is rotatably connected to the top of the hinge frame (206). Two connecting plates (208) are fixedly connected to the battery body (1) on the upper clamping seat (207). Multiple connecting bolts (209) are rotatably connected to the connecting plate (208).

3. A battery device for new energy vehicles with a disconnection protection function according to claim 2, characterized in that, The first reinforcing base (201) is provided with a first card plate (210), the bottom of the first connecting base (202) is provided with a first card groove (211), and the first card plate (210) is slidably connected in the first card groove (211). The upper card base (207) is provided with a second card plate (215), the bottom of the connecting plate (208) is provided with a second card groove (216), and the second card plate (215) is slidably disposed in the second card groove (216).

4. A battery device for new energy vehicles with a disconnection protection function according to claim 3, characterized in that, The adjusting seat (203) has an arc-shaped groove (212), and the adjusting jaw (204) is slidably connected to the arc-shaped groove (212) by the adjusting bolt (213). The adjusting bolt (213) is threaded with an adjusting nut (214).

5. A battery device for new energy vehicles with a disconnection protection function according to claim 4, characterized in that, The surface protection mechanism (4) includes a second mounting base (403) fixedly connected to the battery body (1) and a first mounting base (401) fixedly connected to the base plate (3). A first toothed plate (402) is fixedly connected to the first mounting base (401). A first gear (404) is rotatably connected to the inner wall of the second mounting base (403). Two second toothed plates (405) are slidably connected to the inner wall of the second mounting base (403), and the two second toothed plates (405) mesh with the first gear (404). A rubber protective block (406) is fixedly connected to the surface of the second toothed plate (405).

6. A battery device for new energy vehicles with a disconnection protection function according to claim 5, characterized in that, Two sets of auxiliary rollers (407) are rotatably connected to the inner wall of the second mounting base (403), and the auxiliary rollers (407) are in contact with the second toothed plate (405). A first bevel gear (408) is fixedly connected to the first gear (404), and a second bevel gear (409) is rotatably connected to the second mounting base (403). The first bevel gear (408) meshes with the second bevel gear (409). A second gear (410) is fixedly connected to the second bevel gear (409), and the second gear (410) meshes with the first toothed plate (402).

7. A battery device for new energy vehicles with a disconnection protection function according to claim 6, characterized in that, The lower shock absorption mechanism (5) includes a third mounting base (501) fixedly connected to the bottom support plate (3). Two first spring telescopic rods (502) are fixedly connected to the third mounting base (501). A second connecting seat (503) is fixedly connected to one end of the first spring telescopic rod (502). A first connecting rod (504) is rotatably connected to the second connecting seat (503). One end of the first connecting rod (504) is rotatably connected to the first support plate (505). Two second connecting rods (507) are rotatably connected to the bottom of the first support plate (505). One end of each of the two second connecting rods (507) is fixedly connected to both ends of the second spring telescopic rod (506).

8. A battery device for new energy vehicles with a disconnection protection function according to claim 7, characterized in that, The first support plate (505) is fixedly connected with a plurality of third toothed plates (508), and the third mounting base (501) is rotatably connected with two third gears (509), and the third gears (509) mesh with the third toothed plates (508). The third gears (509) are fixedly connected with a fourth gear (510). The third mounting base (501) is provided with a horizontally extending guide rod (511), and the guide rod (511) is slidably connected with two fourth toothed plates (512), and the two fourth toothed plates (512) mesh with the two fourth gears (510) respectively. The two fourth toothed plates (512) are elastically connected by a third spring telescopic rod (513).

9. A battery device for new energy vehicles with a disconnection protection function according to claim 8, characterized in that, The side shock absorption mechanism (6) includes a shock absorption frame (606) fixedly connected to the battery body (1). Both sides of the inner wall of the shock absorption frame (606) are fixedly connected to a fifth spring telescopic rod (607). Both sides of the shock absorption frame (606) are provided with guide grooves (608). Two connecting shafts (609) are slidably connected to the guide grooves (608), and the two connecting shafts (609) are fixedly connected to the two fifth spring telescopic rods (607) respectively. A third connecting rod (610) is rotatably connected to the connecting shafts (609), and one end of the third connecting rod (610) is rotatably connected to the protective cover (601).

10. A battery device for new energy vehicles with a disconnection protection function according to claim 9, characterized in that, The side shock absorption mechanism (6) also includes two fourth mounting seats (603) fixedly connected to the battery body (1). A folded seat (604) is fixedly connected to the fourth mounting seat (603). A fourth spring telescopic rod (605) for longitudinal adjustment is fixedly connected to the folded seat (604). A reinforcing rod (602) that contacts the protective cover (601) is fixedly connected to the piston rod of the fourth spring telescopic rod (605).

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