New energy battery pack structure with protection function

Abstract

The invention relates to a new energy battery pack structure with a protection function. The new energy battery pack structure comprises a battery pack body, and an outer shell is arranged on the outer side of the battery pack body; the inner protection frame is located between the battery pack body and the outer shell, the inner protection frame comprises an upper frame body and a lower frame body, and the upper frame body and the lower frame body are fixed through a connecting assembly; the anti-collision assemblies are arranged on the two sides, in the thickness direction, of the battery pack body, each anti-collision assembly comprises four buffer rods, one end of each buffer rod is connected with the inner protection frame through a universal shaft, the other end of each buffer rod is connected with the inner wall of the outer shell through a universal shaft, and the buffer rods are arranged in a telescopic mode; and the limiting assembly is used for limiting and guiding the movement of the battery pack shell. The battery pack has the effect of reducing the damage condition caused by collision of the battery pack body.

Description

Technical Field

[0001] The present invention relates to the field of new energy battery packs, and in particular to a new energy battery pack structure with a protective function. Background Art

[0002] New energy battery packs are the core energy source of new energy vehicles, providing driving power for the entire vehicle. As the core component of new energy vehicles, their quality directly determines the performance of the entire vehicle. A battery pack is a collection of multiple battery groups, and generally also includes components such as a battery management system. Battery cells are the most basic elements that make up battery groups and battery packs. In order to ensure the safe and stable operation of the battery, each battery cell needs to be monitored. However, the battery pack as a whole is prone to fire after a collision.

[0003] At present, although the battery pack has a shell outside to wrap the battery pack body and play a certain protective role, it cannot solve the problem of protecting the battery pack after a collision. The battery pack will still be collided and damaged. Therefore, a new energy battery pack structure with protective function is needed. Summary of the invention

[0004] In order to solve the above technical problems, the present application provides a new energy battery pack structure with a protective function.

[0005] The present application provides a new energy battery pack structure with a protective function, which adopts the following technical solution: A new energy battery pack structure with a protective function, comprising: A battery pack body, wherein an outer shell is disposed on the outer side of the battery pack body; An inner protective frame, the inner protective frame is located between the battery pack body and the outer shell, the inner protective frame includes an upper frame body and a lower frame body, and the upper frame body and the lower frame body are fixed by a connecting assembly; Anti-collision components, the anti-collision components are arranged on both sides of the battery pack body in the thickness direction, each group of the anti-collision components includes four buffer rods, one end of the buffer rod is connected to the inner protection frame through a universal shaft, and the other end of the buffer rod is connected to the inner wall of the outer shell through a universal shaft, and the buffer rod is telescopically arranged; A limiting assembly is used to limit and guide the movement of the battery pack shell.

[0006] By adopting the above technical solution, an anti-collision component is arranged between the inner protective frame and the outer shell. When the battery pack body is impacted, the buffer rod is extended and retracted. Under the action of the universal shaft, the retracted buffer rod cooperates with the universal shaft to enable the battery pack body to adaptively move forward and backward, left and right, up and down in the outer shell. Under the limiting guidance of the limiting component, the battery pack body can move smoothly, thereby reducing the possibility of damage to the battery pack body after a collision.

[0007] Preferably, the buffer rod includes a first rod body and a second rod body, the first rod body is located at both ends of the second rod body, and a sliding groove for the second rod body to slide is opened at one end of the first rod body close to the second rod body, a tension spring is arranged in the upper sliding groove, and a compression spring is arranged in the lower sliding groove, one end of the tension spring is fixed to the inner top wall of the corresponding sliding groove, the other end of the tension spring is fixed to the top wall of the second rod body, one end of the compression spring is fixed to the inner bottom wall of the corresponding sliding groove, and the other end of the compression spring is fixed to the bottom wall of the second rod body.

[0008] By adopting the above technical solution, the tension spring applies a pulling force to the second rod body, and the compression spring applies a supporting force to the second rod body, so that the battery pack body can be stably and dynamically located in the middle of the outer shell.

[0009] Preferably, limiting blocks are arranged at both ends of the second rod body, and limiting grooves for the limiting blocks to slide are opened on the inner wall of the sliding groove.

[0010] By adopting the above technical solution, the setting of the limit block prevents the second rod body from separating from the first rod body.

[0011] Preferably, the four buffer rods are all arranged obliquely, and ends of the four buffer rods close to the battery pack body are located in directions away from each other, and ends of the four buffer rods away from the battery pack body are located in directions approaching each other.

[0012] By adopting the above technical solution, the inclined buffer rods save the space occupied by the overall structure of the battery pack in height, and at the same time shorten the path of the adaptive movement of the battery pack body. When the two buffer rods on the same side are extended, the two buffer rods on the other side are contracted, thereby realizing omnidirectional adaptive movement. The battery pack can move adaptively when hit in any direction.

[0013] Preferably, the limiting assembly comprises a first direction guide plate, a second direction guide plate and a third direction guide plate, the two sides of the lower frame in the width direction are fixedly connected with auxiliary plates, the first direction guide plate is located below the auxiliary plate, a first guide rod is provided at the bottom of the auxiliary plate, a first direction guide groove is provided on the top surface of the first direction guide plate for the first guide rod to slide, and the first direction guide groove is provided along the length direction of the battery pack body; The second direction guide plate is located below the first direction guide plate, a second guide rod is provided at the bottom of the first direction guide plate, a second direction guide groove is provided on the top surface of the second direction guide plate for the second guide rod to slide, and the second direction guide groove is provided along the width direction of the battery pack body; The third directional guide plate is vertically arranged and fixed to the inner wall of the outer shell, third guide rods are arranged at both ends of the second directional guide plate, a third directional guide groove for sliding the third guide rod is opened on one side of the third directional guide plate close to the second directional guide plate, and the third directional guide groove is arranged along the vertical direction.

[0014] By adopting the above technical solution, the auxiliary plate moves with the battery pack body along the length direction of the battery pack body, the first direction guide plate moves with the auxiliary plate and the battery pack body along the width direction of the battery pack body, and the second direction guide plate moves with the first direction guide plate, the auxiliary plate, and the battery pack body along the vertical direction of the battery pack body, thereby preventing the battery pack body from tilting or rotating during movement and improving the stability of the battery pack body during movement.

[0015] Preferably, the longitudinal section of the first guide rod, the longitudinal section of the second guide rod, and the cross-section of the third guide rod are all T-shaped, the longitudinal section of the first direction guide groove is adapted to the longitudinal section of the first guide rod, the longitudinal section of the second direction guide groove is adapted to the longitudinal section of the second guide rod, and the cross-section of the third direction guide groove is adapted to the cross-section of the third guide rod.

[0016] By adopting the above technical solution, the longitudinal section of the first guide rod is T-shaped to prevent the first guide rod from being separated from the first direction guide groove, the longitudinal section of the second guide rod is T-shaped to prevent the second guide rod from being separated from the second direction guide groove, and the cross-section of the third guide rod is T-shaped to prevent the third guide rod from being separated from the third direction guide groove.

[0017] Preferably, the upper frame includes a top unit located above the top surface of the battery pack body and a first side unit located around the battery pack body, the lower frame includes a bottom unit located below the bottom surface of the battery pack body and a second side unit located around the battery pack body, and the top unit and the bottom unit of the inner protective frame are both in the shape of a "well".

[0018] By adopting the above technical solution, the inner protection frame can provide protection for the six peripheral sides of the battery pack body while achieving heat dissipation.

[0019] Preferably, the connecting assembly includes a card block and a locking rod, the card block is fixedly connected to the bottom surface of the first side unit of the upper frame, the top surface of the second side unit of the lower frame is provided with a card slot for the card block to be fixed, the locking rod is slidably arranged on the card block, the card block is provided with a receiving groove for the locking rod to slide, the inner wall of the card slot is provided with a locking groove for the locking rod to penetrate, a telescopic spring is arranged in the receiving groove, one end of the telescopic spring is fixedly connected to the inner wall of the receiving groove, and the other end of the telescopic spring is fixedly connected to one end of the locking rod located inside the receiving groove.

[0020] By adopting the above technical solution, when assembling the inner protection frame, the upper frame body and the lower frame body are connected, the card block is inserted into the card slot, and the locking rod is inserted into the locking slot, which is convenient for assembly.

[0021] Preferably, the outer shell includes a bottom plate and an upper cover, the battery pack body and the inner protective frame are both located in the upper cover, and an annular edge is provided at the bottom end of the upper cover, and the annular edge is fixed to the bottom plate by connecting screws.

[0022] By adopting the above technical solution, when installing the battery pack, the battery pack body is placed on the bottom unit of the lower frame, and then the upper frame and the lower frame are connected, and then the upper cover is placed on the bottom plate and fixed by connecting screws.

[0023] In summary, the present application includes at least one of the following beneficial technical effects: 1. An anti-collision component is arranged between the inner protection frame and the outer shell. When the battery pack body is impacted, the buffer rod is extended and retracted. Under the action of the universal shaft, the retracted buffer rod cooperates with the universal shaft to enable the battery pack body to move adaptively forward and backward, left and right, and up and down in the outer shell. Under the limit guide of the limit component, the battery pack body can move smoothly, thereby reducing the possibility of damage to the battery pack body after collision; 2. The inclined buffer rod saves the space occupied by the overall structure of the battery pack in height, and shortens the path of the adaptive movement of the battery pack body. When the two buffer rods on the same side are extended, the two buffer rods on the other side are contracted, thereby achieving omnidirectional adaptive movement. The battery pack can move adaptively when it is hit in any direction; 3. The auxiliary plate moves the battery pack body along the length direction of the battery pack body, the first direction guide plate moves the auxiliary plate and the battery pack body along the width direction of the battery pack body, and the second direction guide plate moves the first direction guide plate, the auxiliary plate, and the battery pack body along the vertical direction of the battery pack body, thereby preventing the battery pack body from tilting or rotating during movement and improving the stability of the battery pack body during movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of a new energy battery pack structure with a protective function in an embodiment of the present application.

[0025] Figure 2 It is a schematic diagram of the structure of the battery pack used to illustrate the inner protective frame installed on the battery pack body in the embodiment of the present application.

[0026] Figure 3 It is a schematic diagram of the structure of the battery pack used to display the outer shell in the embodiment of the present application.

[0027] Figure 4It is a schematic diagram of the cross-sectional structure used to display the connection components in the embodiment of the present application.

[0028] Figure 5 It is a schematic diagram of the cross-sectional structure used to show the interior of the buffer rod in the embodiment of the present application.

[0029] Figure 6 It is a structural schematic diagram used to display the limit assembly in the embodiment of the present application.

[0030] Description of reference numerals: 1. battery pack body; 2. outer shell; 21. bottom plate; 22. upper cover; 23. annular edge; 24. connecting screws; 3. inner protection frame; 31. upper frame; 311. top unit; 312. first side unit; 32. lower frame; 321. bottom unit; 322. second side unit; 3221. card slot; 3222. locking slot; 4. connecting assembly; 41. card block; 411. receiving slot; 412. telescopic spring; 42. locking rod; 5. anti-collision assembly; 51. buffer rod; 511, first rod body; 5111, slide groove; 5112, tension spring; 5113, compression spring; 512, second rod body; 5121, limit block; 5122, limit groove; 52, universal shaft; 6, limit assembly; 61, first direction guide plate; 611, first guide rod; 612, first direction guide groove; 62, second direction guide plate; 621, second guide rod; 622, second direction guide groove; 63, third direction guide plate; 631, third guide rod; 632, third direction guide groove; 64, auxiliary plate. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-6 This application is described in further detail.

[0032] The embodiment of the present application discloses a new energy battery pack structure with a protective function.

[0033] Reference Figure 1 , Figure 2 The new energy battery pack structure with protective function includes a battery pack body 1, an outer shell 2 is arranged on the outside of the battery pack body 1, an inner protection frame 3 is arranged between the battery pack body 1 and the outer shell 2, and the inner protection frame 3 is located between the battery pack body 1 and the outer shell 2. The inner protection frame 3 includes an upper frame 31 and a lower frame 32, and the upper frame 31 and the lower frame 32 are fixed by a connecting component 4.

[0034] The upper frame 31 includes a top unit 311 located above the top surface of the battery pack body 1 and a first side unit 312 located around the battery pack body 1. The top unit 311 and the first side unit 312 are integrally formed. The lower frame 32 includes a bottom unit 321 located below the bottom surface of the battery pack body 1 and a second side unit 322 located around the battery pack body 1. The bottom unit 321 and the second side unit 322 are integrally formed. The top unit 311 and the bottom unit 321 of the inner protection frame 3 are both in the shape of a "well". The inner protection frame 3 can provide protection for the six peripheral sides of the battery pack body 1 while achieving heat dissipation.

[0035] Reference Figure 3 The outer shell 2 includes a bottom plate 21 and an upper cover 22 . The battery pack body 1 and the inner protective frame 3 are both located in the upper cover 22 . An annular edge 23 is provided at the bottom end of the upper cover 22 . The annular edge 23 is fixed to the bottom plate 21 by connecting screws 24 .

[0036] Reference Figure 4 The connecting component 4 includes a card block 41 and a locking rod 42. The card block 41 is fixedly connected to the bottom surface of the first side unit 312 of the upper frame 31. The top surface of the second side unit 322 of the lower frame 32 is provided with a card slot 3221 for the card block 41 to be fixed. The locking rod 42 is slidably arranged on the card block 41. The card block 41 is provided with a receiving groove 411 for the locking rod 42 to slide. The inner wall of the card slot 3221 is provided with a locking groove 3222 for the locking rod 42 to penetrate. The end of the locking rod 42 close to the locking groove 3222 is rounded, and the locking rod 42 can penetrate into the locking groove 3222 or detach from the locking groove 3222. A telescopic spring 412 is arranged in the receiving groove 411. One end of the telescopic spring 412 is fixedly connected to the inner wall of the receiving groove 411, and the other end of the telescopic spring 412 is fixedly connected to one end of the locking rod 42 located inside the receiving groove 411.

[0037] When assembling the inner protection frame 3 , the upper frame body 31 and the lower frame body 32 are connected, the clamping block 41 is clamped into the clamping groove 3221 , and the locking rod 42 is inserted into the locking groove 3222 , which is convenient for assembly.

[0038] When installing the battery pack, place the battery pack body 1 on the bottom unit 321 of the lower frame 32 , then connect the upper frame 31 and the lower frame 32 , then place the upper cover 22 on the bottom plate 21 and fix it with the connecting screws 24 .

[0039] Reference Figure 1 , Figure 2 , Figure 5 , Figure 6Anti-collision components 5 are arranged on both sides of the battery pack body 1 in the thickness direction. Each group of anti-collision components 5 includes four buffer rods 51. One end of the buffer rod 51 is connected to the inner protection frame 3 through a universal shaft 52, and the other end of the buffer rod 51 is connected to the inner wall of the outer shell 2 through the universal shaft 52. The buffer rod 51 is telescopically arranged.

[0040] Reference Figure 5 The buffer rod 51 includes a first rod body 511 and a second rod body 512. The first rod body 511 is located at both ends of the second rod body 512. One end of the first rod body 511 away from the second rod body 512 is connected to the universal shaft 52. One end of the first rod body 511 close to the second rod body 512 is provided with a slide groove 5111 for the second rod body 512 to slide. A tension spring 5112 is arranged in the upper slide groove 5111, and a compression spring 5113 is arranged in the lower slide groove 5111. One end of the tension spring 5112 is fixed to the inner top wall of the corresponding slide groove 5111, and the other end of the tension spring 5112 is fixed to the top wall of the second rod body 512. One end of the compression spring 5113 is fixed to the inner bottom wall of the corresponding slide groove 5111, and the other end of the compression spring 5113 is fixed to the bottom wall of the second rod body 512. Limiting blocks 5121 are provided on the outer peripheral walls at both ends of the second rod body 512. The limiting blocks 5121 are located on both sides of the second rod body 512 in the radial direction. Limiting grooves 5122 for the limiting blocks 5121 to slide are opened on the inner wall of the slide groove 5111. When the buffer rod 51 is extended or retracted, the limiting blocks 5121 on the second rod body 512 slide in the limiting grooves 5122 to prevent the second rod body 512 from separating from the first rod body 511.

[0041] When the buffer rod 51 is extended or retracted, the first rod 511 and the second rod 512 slide, the tension spring 5112 applies tension to the second rod 512 , and the compression spring 5113 applies support force to the second rod 512 , so that the battery pack body 1 can be stably and dynamically located in the middle of the outer shell 2 .

[0042] An anti-collision assembly 5 is arranged between the inner protective frame 3 and the outer shell 2. When the battery pack body 1 is impacted, the buffer rod 51 is extended and retracted. Under the action of the universal shaft 52, the retracted buffer rod 51 cooperates with the universal shaft 52 to enable the battery pack body 1 to adaptively move forward and backward, left and right, and up and down in the outer shell 2, thereby reducing the possibility of damage to the battery pack body 1 after a collision.

[0043] The four buffer rods 51 are all arranged at an angle, and the ends of the four buffer rods 51 close to the battery pack body 1 are located in a direction away from each other, and the ends of the four buffer rods 51 away from the battery pack body 1 are located in a direction close to each other. The inclined buffer rods 51 save the space occupied by the overall structure of the battery pack in height, and shorten the path of the adaptive movement of the battery pack body 1. When the two buffer rods 51 on the same side are extended, the two buffer rods 51 on the other side are contracted, thereby realizing adaptive movement in all directions, and the battery pack body 1 can move adaptively when it is hit in any direction.

[0044] Reference Figure 1 , Figure 2 , Figure 6 A limiting component 6 is arranged inside the outer shell 2, and the limiting component 6 is used to limit and guide the movement of the battery pack shell.

[0045] The limiting assembly 6 includes a first direction guide plate 61, a second direction guide plate 62 and a third direction guide plate 63. Auxiliary plates 64 are fixedly connected to both sides of the lower frame 32 in the width direction. The first direction guide plate 61 is located below the auxiliary plate 64. A first guide rod 611 is arranged at the bottom of the auxiliary plate 64. A first direction guide groove 612 for sliding the first guide rod 611 is provided on the top surface of the first direction guide plate 61. The first direction guide groove 612 is arranged along the length direction of the battery pack body 1. Three first direction guide plates 61 are arranged at intervals along the length direction of the battery pack body 1. The first direction guide plates 61 and the buffer rod 51 are staggered to improve the uniformity of the force on the battery pack body 1. The longitudinal section of the first direction guide rod 611 is T-shaped. The longitudinal section of the first direction guide groove 612 is adapted to the longitudinal section of the first guide rod 611 to prevent the first guide rod 611 from being separated from the first direction guide groove 612.

[0046] The second direction guide plate 62 is located below the first direction guide plate 61. A second guide rod 621 is provided at the bottom of the first direction guide plate 61. A second direction guide groove 622 for sliding the second guide rod 621 is provided on the top surface of the second direction guide plate 62. The second direction guide groove 622 is provided along the width direction of the battery pack body 1. The longitudinal section of the second guide rod 621 is T-shaped. The longitudinal section of the second direction guide groove 622 matches the longitudinal section of the second guide rod 621 to prevent the second guide rod 621 from being separated from the second direction guide groove 622.

[0047] The third direction guide plate 63 is vertically arranged and fixed to the inner wall of the outer shell 2, and third guide rods 631 are arranged at both ends of the second direction guide plate 62. A third direction guide groove 632 for sliding the third guide rod 631 is provided on one side of the third direction guide plate 63 close to the second direction guide plate 62, and the third direction guide groove 632 is arranged in the vertical direction. The cross section of the third guide rod 631 is T-shaped, and the cross section of the third direction guide groove 632 is adapted to the cross section of the third guide rod 631 to prevent the third guide rod 631 from being separated from the third direction guide groove 632.

[0048] The auxiliary plate 64 moves the battery pack body 1 along the length direction of the battery pack body 1, the first direction guide plate 61 moves the auxiliary plate 64 and the battery pack body 1 along the width direction of the battery pack body 1, and the second direction guide plate 62 moves the first direction guide plate 61, the auxiliary plate 64, and the battery pack body 1 along the vertical direction of the battery pack body 1. Under the limiting guidance of the limiting assembly 6, the battery pack body 1 can move smoothly, thereby preventing the battery pack body 1 from tilting or rotating during movement, thereby improving the stability of the battery pack body 1 during movement.

[0049] The implementation principle of a new energy battery pack structure with a protection function in the embodiment of the present application is: When installing the battery pack, place the battery pack body 1 on the bottom unit 321 of the lower frame 32, then connect the upper frame 31 and the lower frame 32, then place the upper cover 22 on the bottom plate 21, and fix them with the connecting screws 24 to achieve the fixation of the battery pack body 1 and the outer shell 2.

[0050] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A new energy battery pack structure with a protective function, characterized in that: include: A battery pack body (1), wherein an outer shell (2) is arranged on the outer side of the battery pack body (1); An inner protective frame (3), the inner protective frame (3) being located between the battery pack body (1) and the outer shell (2), the inner protective frame (3) comprising an upper frame body (31) and a lower frame body (32), the upper frame body (31) and the lower frame body (32) being fixed by a connecting assembly (4); An anti-collision assembly (5), the anti-collision assembly (5) being arranged on both sides of the battery pack body (1) in the thickness direction, each group of the anti-collision assembly (5) comprising four buffer rods (51), one end of the buffer rod (51) being connected to the inner protection frame (3) via a universal shaft (52), the other end of the buffer rod (51) being connected to the inner wall of the outer shell (2) via the universal shaft (52), and the buffer rod (51) being arranged to be telescopic; A limiting assembly (6), the limiting assembly (6) being used to limit and guide the movement of the battery pack housing; The buffer rod (51) comprises a first rod body (511) and a second rod body (512), the first rod body (511) being located at both ends of the second rod body (512), one end of the first rod body (511) close to the second rod body (512) being provided with a sliding groove (5111) for the second rod body (512) to slide, a tension spring (5112) being arranged in the upper sliding groove (5111), and a compression spring (5113) being arranged in the lower sliding groove (5111), one end of the tension spring (5112) being fixed to the inner top wall of the corresponding sliding groove (5111), the other end of the tension spring (5112) being fixed to the top wall of the second rod body (512), one end of the compression spring (5113) being fixed to the inner bottom wall of the corresponding sliding groove (5111), and the other end of the compression spring (5113) being fixed to the bottom wall of the second rod body (512); The four buffer rods (51) are all arranged obliquely, and the ends of the four buffer rods (51) close to the battery pack body (1) are located in directions away from each other, while the ends of the four buffer rods (51) away from the battery pack body (1) are located in directions close to each other; The limiting assembly (6) comprises a first direction guide plate (61), a second direction guide plate (62) and a third direction guide plate (63); auxiliary plates (64) are fixedly connected to both sides of the lower frame (32) in the width direction; the first direction guide plate (61) is located below the auxiliary plate (64); a first guide rod (611) is provided at the bottom of the auxiliary plate (64); a first direction guide groove (612) for the first guide rod (611) to slide is provided on the top surface of the first direction guide plate (61); the first direction guide groove (612) is provided along the length direction of the battery pack body (1); The second direction guide plate (62) is located below the first direction guide plate (61); a second guide rod (621) is provided at the bottom of the first direction guide plate (61); a second direction guide groove (622) for the second guide rod (621) to slide is provided on the top surface of the second direction guide plate (62); the second direction guide groove (622) is provided along the width direction of the battery pack body (1); The third directional guide plate (63) is vertically arranged and fixed to the inner wall of the outer shell (2); third guide rods (631) are arranged at both ends of the second directional guide plate (62); a third directional guide groove (632) for the third guide rod (631) to slide is provided on a side of the third directional guide plate (63) close to the second directional guide plate (62); and the third directional guide groove (632) is arranged along the vertical direction; The longitudinal section of the first guide rod (611), the longitudinal section of the second guide rod (621), and the cross section of the third guide rod (631) are all T-shaped; the longitudinal section of the first direction guide groove (612) is matched with the longitudinal section of the first guide rod (611); the longitudinal section of the second direction guide groove (622) is matched with the longitudinal section of the second guide rod (621); and the cross section of the third direction guide groove (632) is matched with the cross section of the third guide rod (631).

2. The new energy battery pack structure with protection function according to claim 1 is characterized in that: Limiting blocks (5121) are arranged at both ends of the second rod body (512), and limiting grooves (5122) for the limiting blocks (5121) to slide are opened on the inner wall of the sliding groove (5111).

3. The new energy battery pack structure with protection function according to claim 1, characterized in that: The upper frame (31) comprises a top unit (311) located above the top surface of the battery pack body (1) and a first side unit (312) located around the battery pack body (1); the lower frame (32) comprises a bottom unit (321) located below the bottom surface of the battery pack body (1) and a second side unit (322) located around the battery pack body (1); the top unit (311) and the bottom unit (321) of the inner protective frame (3) are both in the shape of a "well".

4. The new energy battery pack structure with protection function according to claim 1, characterized in that: The connecting assembly (4) comprises a clamping block (41) and a locking rod (42); the clamping block (41) is fixedly connected to the bottom surface of the first side unit (312) of the upper frame (31); the top surface of the second side unit (322) of the lower frame (32) is provided with a clamping groove (3221) for clamping the clamping block (41); the locking rod (42) is slidably arranged on the clamping block (41); the clamping block (41) is provided with a receiving groove (411) for sliding the locking rod (42); the inner wall of the clamping groove (3221) is provided with a locking groove (3222) for the locking rod (42) to penetrate; a telescopic spring (412) is arranged in the receiving groove (411); one end of the telescopic spring (412) is fixedly connected to the inner wall of the receiving groove (411); the other end of the telescopic spring (412) is fixedly connected to one end of the locking rod (42) located inside the receiving groove (411).

5. The new energy battery pack structure with protection function according to claim 1, characterized in that: The outer shell (2) comprises a bottom plate (21) and an upper cover (22), the battery pack body (1) and the inner protection frame (3) are both located in the upper cover (22), and a ring edge (23) is provided at the bottom end of the upper cover (22), and the ring edge (23) is fixed to the bottom plate (21) by connecting screws (24).

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