Lithium ion battery assembly structure

Abstract

The utility model discloses a lithium ion battery assembly structure which comprises a battery bracket, a plurality of battery holes, a plurality of lithium ion batteries and a plurality of lithium ion batteries, the other surface of the battery bracket protrudes outwards, and clamping columns are distributed on the periphery of the other surface of the battery bracket in the battery holes; and two side edges of the clamping column are matched with the edge shape of the battery hole. The utility model has the beneficial effects that the battery holes adopt a transverse staggered structure, so that the overall height is lower and the occupied volume is smaller after the battery holes are mounted; the main body of the lithium ion battery assembly structure is the battery bracket, and is simple in structure and convenient to use; and each group of batteries is fixed by using the rhombic buckling plates, so that the battery module is very firm.

Description

Technical Field

[0001] The utility model relates to the technical field of battery fixing, in particular to a lithium ion battery assembly structure. Background Art

[0002] A battery module is a component composed of multiple battery cells connected together. Its main function is to provide high voltage and high current output, and can provide electrical energy storage: for example, electric vehicles require a large amount of electrical energy to drive motors, and solar panels also need to store solar energy for use at night or on cloudy days; provide electrical energy output: the battery module can output the stored electrical energy to various devices and systems for their normal operation. For example, UPS power supplies require battery modules to provide backup power to ensure the continuity of the power system, and mobile power supplies require battery modules to provide portable power for mobile phones, tablets and other devices; improve electrical energy efficiency: the battery module can improve the efficiency of electrical energy output by combining multiple battery cells. For example, electric vehicles require high voltage and high current to drive motors, and solar panels also need battery modules to improve the efficiency of electrical energy output. In modern life, battery modules are widely used in various devices and systems, such as electric vehicles, solar panels, UPS power supplies, and mobile power supplies. However, the existing battery modules are very troublesome to assemble, requiring special assembly structures to assemble, and the height of the battery modules after assembly is high, occupying a large space.

[0003] A Chinese patent document with a publication date of May 1, 2020 and publication number CN111092174A discloses a battery pack assembly structure, wherein the battery pack assembly structure includes positive and negative electrode components, which respectively include a bracket for carrying batteries and a copper busbar assembled at the rear of the bracket, a nut hole for accommodating a nut is vertically arranged on the side of the bracket, and a mounting ear with a hole is arranged on the corresponding side of the copper busbar. After assembly, the mounting ear of the copper busbar is fitted on the outside of the nut hole, and the two are fixed by bolts screwed in horizontally; the positive and negative electrode components also respectively include an insulating plate arranged at the rear of the copper busbar, and the bracket, copper busbar and insulating plate are fixed by vertically screwed bolts.

[0004] The disadvantage of the above battery assembly structure is that the positive electrode assembly and the negative electrode assembly respectively include a bracket, a copper bar, and an insulating plate, and the copper bar and the insulating plate are sequentially arranged at the rear of the bracket, and after installation, the insulating plate is finally assembled to the rear of the copper bar by bolts. The two poles of the battery cell are respectively limited in the grooves of the positive and negative brackets to form a battery module. The battery module formed after installation is very high in overall height, larger in volume, and occupies more space. Utility Model Content

[0005] The utility model aims to solve the problems of the existing lithium-ion battery assembly structure in that the overall height after assembly is high and the space occupied is large. A lithium-ion battery assembly structure is provided, which adopts a transverse dislocation structure. The batteries are assembled in a transverse dislocation manner during assembly. After assembly, the overall height of the battery module is low, which has the advantages of small volume and space saving.

[0006] The technical solution adopted by the utility model to solve the above technical problems is: a lithium-ion battery assembly structure, including: a battery bracket, a plurality of transversely displaced battery holes are distributed on one side of the battery bracket; the other side of the battery bracket is convex outward, and the battery holes are distributed around the other side of the battery bracket; the two sides of the clamping column are consistent with the edge shape of the battery hole. The two sides of the clamping column are only arc-shaped, and can clamp cylindrical batteries.

[0007] Using the above technical solution, when fixing the battery, first, insert one end of the battery ear from the side protruding outward from the battery holder into the battery hole of the battery holder, and the battery can be fixed by the clamping columns around the battery hole. Then, the batteries are installed into the battery holes one by one in sequence to form a battery module. The batteries in the battery module are laterally staggered, the overall height is lower, and the volume occupied is also smaller.

[0008] Preferably, the battery hole is in a semicircular shape with a circular protruding slot on the straight side; the side of the clamping column is adapted to the circular side of the battery hole. Specifically, the battery hole is in a semicircular shape, and there is a circular protruding slot at the center of the straight side of the semicircle of the battery hole. The circular protruding slot corresponds to the tab part of the battery for installing the battery. The sides of the long side of the clamping column are in an arc shape, and the sides of the short side of the clamping column are also in an arc shape, which is shorter than the long side arc. Each side of the clamping column corresponds to a battery hole. In this way, when installing the battery, the tab is first inserted into the circular protruding slot on the straight side of the battery hole, and then the edge of the battery is clamped and fixed by the side of the clamping column. The structure is more reasonable and the battery is fixed more firmly.

[0009] Preferably, the two battery holes are arranged in pairs; each pair of battery holes is symmetrical with each other according to the circular protruding slots. Specifically, the circular protruding slots of the battery holes correspond to each other, that is, the battery holes are symmetrically arranged one on the left and one on the right. When installing, the installed batteries are also symmetrical one on the left and one on the right, and the installation position is more reasonable, which saves more space.

[0010] Preferably, the two pairs of battery holes are staggered as a group; the middle of each group of battery holes is a battery hole groove. Specifically, two pairs of battery holes form a group, that is, four are a group, and every four staggered battery holes can form a group. In each group of battery holes, a pair of battery holes are staggered, and each group of battery holes has a clamping column. The four battery holes are symmetrical according to the clamping column, and the side of the battery hole where the clamping column is not installed is a battery hole groove, so as to fix the battery. In this way, when installing the battery, the installation is convenient and the position is reasonable, the staggered distribution occupies a smaller volume, and the overall height is lower.

[0011] Preferably, the lithium-ion battery assembly structure further comprises a snap plate; the snap plate comprises a rhombus-shaped snap plate, and the interior of the rhombus-shaped snap plate is a hollow rhombus. Specifically, the snap plate is used to further fix the battery, the rhombus-shaped snap plate corresponds to the fixation of a group of battery holes, and the hollow part of the rhombus-shaped snap plate is fixed in the groove on one side of the battery hole where the clamping column is not installed, which makes the fixation of the battery more stable.

[0012] Preferably, first buckles are provided on both upper and lower sides of the battery hole groove; buckle holes are provided on the edge of the first buckle. Specifically, the middle part of a group of four staggered battery holes is a groove, and the upper and lower sides of the groove, i.e., the first buckles are provided on the grooves of the upper pair of battery holes, and the first buckles are provided on the grooves of the lower pair of battery holes, and the buckle holes are provided below the upper first buckle, and the buckle holes are provided above the lower first buckle. In this way, the diamond buckle can be first inserted into the first buckle to be fixed. At this time, the two sides of the diamond buckle are inserted into the first buckle, so that the diamond buckle and the battery bracket become a whole, thereby further fixing the battery, so that the formed battery module is firm as a whole, and the strength will not be affected by the staggered distribution.

[0013] Preferably, the battery bracket is provided with a post hole corresponding to the other side of the post; the post hole is surrounded by a diamond-shaped snap plate during installation. Specifically, the four corners of the diamond-shaped snap plate correspond to four battery holes in a group of battery holes, each of the four battery holes has a post at its center, and the post hole is provided on the other side of the post corresponding to the post, and the post hole corresponds to two short arc sides of the post, so that the diamond-shaped snap plate can effectively fix the four batteries.

[0014] Preferably, the four corners of the diamond-shaped snap plate are rounded, and there is a hole at the center of the rounded corner; the hole at the center of the rounded corner corresponds to the circular protruding slot on the straight side of the battery hole. Specifically, the centers of the circular holes at the four corners of the diamond-shaped snap plate correspond to the tabs of the installed batteries, and the four corners correspond to the tabs of four batteries respectively, so as to fix a group of batteries. When in use, first fix the two sides of the diamond-shaped snap plate with the first clip, and then match the rounded corners of the four corners of the diamond-shaped snap plate with the tabs of each installed battery. The diamond-shaped snap plate is installed to fix a group of batteries. The fixation is very firm and easy to use.

[0015] Preferably, a plurality of raised columns are installed on one side of the battery holder where the battery hole grooves are distributed. Specifically, the raised columns are installed on the sides of the battery, and the raised columns are installed on the four sides, upper, lower, left and right. The raised columns are higher than the side of the battery holder where the battery hole grooves are distributed, so that the raised columns can support the battery holder when in use, making it more convenient to assemble the battery module.

[0016] Preferably, the battery holder is rectangular as a whole, and the edge of the battery holder is raised, and the raised edge corresponds to the battery hole. Specifically, the raised edge of the battery is to correspond to the staggered battery holes, satisfying the distribution of the staggered battery holes, making the combined battery module structure more reasonable.

[0017] Preferably, the battery holder is further provided with a second buckle on one side of the battery hole groove. The second buckle is arranged in the middle of the battery holder, between two battery holes staggered up and down. The second buckle is symmetrically arranged left and right to form a rectangular channel in the middle. The rectangular channel is for installing a sampling circuit board. The sampling circuit board is rectangular. During installation, the sampling circuit board is fixed to the battery holder by the second buckle to complete the assembly of the entire battery module.

[0018] The utility model discloses a lithium-ion battery assembly structure, and its working principle is as follows: during assembly, two battery holders are needed, firstly, the pole ear of the battery is aligned with the circular protruding slot with straight edges of the battery hole, and the battery is installed in the battery hole. After a group of batteries, i.e. four batteries, are installed in the battery hole, a diamond-shaped snap plate is used, the diamond-shaped snap plate is buckled into the first buckle, and then the four rounded corners of the diamond-shaped snap plate are respectively aligned with the pole ears of the four batteries for fixing, and then the next group of batteries is fixed. After each group of batteries is fixed, the diamond-shaped snap plate is welded to the battery holder, and another battery holder is buckled into the back of the battery to complete the assembly. When it is to be used, the sampling circuit board is buckled into the battery holder at one end of the fixed battery pole ear to form a battery module.

[0019] The beneficial effects of the utility model are that the battery hole adopts a transverse staggered structure, and after installation, the overall height is lower and the occupied volume is smaller; the main body of the lithium-ion battery assembly structure is a battery bracket, which has a simple structure and is easy to use; a diamond-shaped snap plate is used to fix each battery group, and the battery module is very firm. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a front view of a lithium-ion battery assembly structure of the utility model;

[0021] Figure 2 This is a rear view of a lithium-ion battery assembly structure of the utility model;

[0022] Figure 3 It is a side view of a lithium-ion battery assembly structure of the utility model;

[0023] Figure 4 This is a front schematic diagram of a lithium-ion battery assembly structure of the utility model;

[0024] Figure 5 It is a back schematic diagram of a lithium-ion battery assembly structure of the utility model;

[0025] Figure 6 This is a schematic diagram of assembling a diamond-shaped snap plate described in a lithium-ion battery assembly structure of the utility model;

[0026] Figure 7 It is a schematic diagram of a second embodiment of a lithium-ion battery assembly structure of the utility model;

[0027] In the figure: 1. battery holder; 2. battery hole; 3. card column; 4. first buckle; 5. buckle hole; 6. card column hole; 7. diamond buckle plate; 8. second buckle; 9. raised column; 10. filling hole; 11. battery hole groove; 12. sampling circuit board. DETAILED DESCRIPTION

[0028] The specific embodiments of the present invention will be described in detail below. It should be noted that the embodiments described here are only for illustration and are not intended to limit the present invention. In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present invention. However, it is obvious to those skilled in the art that these specific details do not need to be adopted to implement the present invention.

[0029] Embodiment 1:

[0030] exist Figures 1 to 6 In the embodiment 1 shown, the utility model provides a technical solution: a lithium-ion battery assembly structure, comprising: a battery holder 1, a plurality of transversely displaced battery holes 2 are distributed on one side of the battery holder 1; the other side of the battery holder 1 is convex outward, and the battery holes 2 are distributed around the other side of the battery holder 1 with clamping columns 3; the two sides of the clamping columns 3 are consistent with the shape of the edge of the battery hole 2. In this embodiment, in order to meet the specifications of the battery module used, the battery holder 1 is rectangular as a whole, the edge of the battery holder 1 is convex, and the convexity corresponds to the battery hole 2. There are two corresponding independent battery holes 2 on the top of the battery holder 1, and there are four parallel battery holes 2 at the bottom of the battery holder 1. The two corresponding independent battery holes 2 on the top are symmetrical to each other, and the circular protruding slots of the four parallel battery holes 2 on the bottom are inward. The convexity of the battery edge is to correspond to the displaced battery holes 2 to meet the distribution of the displaced battery holes 2, and the battery holder 1 is made as a whole.

[0031] Figure 1 This is a front view of a lithium-ion battery assembly structure of the utility model. Figure 1As shown, the battery holes 2 are staggered on the battery holder 1. In the present embodiment, a total of forty-six battery holes 2 are arranged. The battery holes 2 are semicircular in shape with a circular protruding groove on a straight side. The battery holes 2 are semicircular in shape. A circular protruding groove is provided at the center of the semicircular straight side of the battery hole 2. The circular protruding groove corresponds to the ear portion for installing the battery. The two battery holes 2 are arranged in pairs; each pair of battery holes 2 is symmetrical with each other according to the circular protruding grooves, and the circular protruding grooves of the battery holes 2 correspond to each other, that is, the battery holes 2 are symmetrically arranged one on the left and one on the right. In addition to the battery holes 2 symmetrically arranged one on the left and one on the right, the present embodiment also includes four parallel battery holes 2.

[0032] Figure 2 This is a rear view of a lithium-ion battery assembly structure of the utility model. Figure 2 As shown, the side of the card column 3 is adapted to the round edge of the battery hole 2. The two sides of the long side of the card column 3 are arc-shaped, and the two sides of the short side of the card column 3 are also arc-shaped, which are shorter than the long side arc. Each side of the card column 3 corresponds to a battery hole 2. When installing the battery, the pole ear is first inserted into the circular protruding groove on the straight side of the battery hole 2, and then the edge of the battery is fixed by the side of the card column 3. In this embodiment, a fan-shaped filling hole 10 is also provided next to the battery hole 2 on one side of the card column 3. The function of the filling hole 10 is to remove the glue to prevent shrinkage during injection molding.

[0033] In this embodiment, Figure 1 and Figure 2 As shown, two pairs of battery holes 2 are staggered as a group, two pairs of battery holes 2 form a group, that is, four form a group, and every four staggered battery holes 2 can form a group, one pair of battery holes 2 in each group of battery holes 2 is staggered, and each group of battery holes 2 has a card column 3, and the four battery holes 2 are symmetrical according to the card column 3. In this embodiment, in addition to the ten groups of battery holes 2, that is, forty battery holes 2, there are also two separate battery holes 2 on the top and four parallel battery holes 2 on the bottom. Except for the parallel battery holes 2, the remaining battery holes 2 are symmetrical to each other according to the circular protruding card grooves.

[0034] In this embodiment, Figure 4 This is a front view schematic diagram of a lithium-ion battery assembly structure of the utility model. Figure 4 As shown, there is a battery hole groove 11 in the middle of each group of battery holes 2, and there is a clamping column 3 in each group of battery holes 2. The four battery holes 2 are symmetrical along the clamping column 3, and the side of the battery hole 2 where the clamping column 3 is not installed is the battery hole groove 11, so as to fix the battery, and first buckles 4 are arranged on the upper and lower sides of the battery hole groove 11; buckle holes 5 are opened on the edges of the first buckles 4, and the middle part of a group of four staggered battery holes 2 is a groove, and the upper and lower sides of the groove, that is, the first buckles 4 are arranged on the grooves of the upper pair of battery holes 2, and the first buckles 4 are arranged on the grooves of the lower pair of battery holes 2, the buckle holes 5 are opened below the upper first buckle 4, and the buckle holes 5 are opened above the lower first buckle 4.

[0035] In this embodiment, Figure 6 This is a schematic diagram of the assembly of a diamond-shaped snap plate 7 of a lithium-ion battery assembly structure of the utility model, such as Figure 6 As shown, the lithium-ion battery assembly structure also includes a snap plate, which is an aluminum plate made of aluminum; the snap plate includes a diamond-shaped snap plate 7, the interior of the diamond-shaped snap plate 7 is a hollow diamond, and the function of the snap plate is to further fix the battery, the diamond-shaped snap plate 7 corresponds to the fixation of a group of battery holes 2, the hollow part of the diamond-shaped snap plate 7 is fixed in the groove on one side of the battery hole 2 where the clamping column 3 is not installed, the four corners of the diamond-shaped snap plate 7 are rounded, and there is a hole in the center of the rounded corner; the hole in the center of the rounded corner corresponds to the circular protruding card groove of the straight side of the battery hole 2, the centers of the circular holes at the four corners of the diamond-shaped snap plate 7 correspond to the pole ears for installing the battery, and the four corners correspond to the pole ears of four batteries respectively, so as to fix a group of batteries. When in use, first fix the two sides of the diamond-shaped snap plate 7 with the first snap 4, and then correspond the rounded corners of the four corners of the diamond-shaped snap plate 7 to the pole ears of each installed battery, and the diamond-shaped snap plate 7 is installed to fix a group of batteries.

[0036] In this embodiment, the battery holder 1 is provided with a post 3 hole corresponding to the other side of the post 3; the post 3 hole is surrounded by a diamond-shaped snap plate 7 during installation, and the four corners of the diamond-shaped snap plate 7 correspond to four battery holes 2 in a group of battery holes 2, respectively, and each of the four battery holes 2 has a post 3 in the center, and the post 3 holes are provided on the other side of the post 3, and the post 3 holes correspond to the two short arc sides of the post 3, so that the diamond-shaped snap plate 7 can effectively fix the four batteries. There are two corresponding independent battery holes 2 on the top of the battery holder 1, and four parallel battery holes 2 at the bottom of the battery holder 1. In order to fix the two corresponding independent battery holes 2 and the four parallel battery holes 2, in addition to the diamond-shaped snap plate 7, it also includes a two-hole snap plate and a parallel four-hole snap plate, which correspond to the two corresponding independent battery holes 2 and the four parallel battery holes 2, respectively, to fix the batteries.

[0037] In this embodiment, the battery bracket is provided with a post hole 6 corresponding to the other side of the post; the post hole 6 is surrounded by a diamond-shaped snap plate 7 during installation, and the four corners of the diamond-shaped snap plate 7 respectively correspond to four battery holes in a group of battery holes, and there is a post in the center of each of the four battery holes. The post hole 6 is provided on the other side of the post corresponding to the post, and the post hole 6 corresponds to the two short arc sides of the post, so that the diamond-shaped snap plate 7 can effectively fix the four batteries.

[0038] In this embodiment, Figure 1 and Figure 4 As shown, the battery holder 1 is further provided with a second buckle 8 on one side of the battery hole groove 11. The second buckle 8 is arranged in the middle of the battery holder 1, between two battery holes 2 staggered up and down. The second buckle 8 is arranged symmetrically on the left and right to form a rectangular channel in the middle.

[0039] In this embodiment, Figure 3 This is a side view of a lithium-ion battery assembly structure of the utility model. Figure 3 As shown, a plurality of raised columns 9 are installed on one side of the battery holder 1 where the battery hole grooves 11 are distributed. The raised columns 9 are installed on the sides of the battery. The raised columns 9 are installed on the four sides of the upper, lower, left and right sides. The raised columns 9 are higher than one side of the battery holder 1 where the battery hole grooves 11 are distributed, so that the raised columns 9 can support the battery holder 1 when in use, which is more convenient when assembling the battery module.

[0040] The present embodiment provides a lithium-ion battery assembly structure, and its working principle is as follows: during assembly, two battery holders 1 are required. First, align the battery pole ear with the battery hole 2 which is a round protruding slot with straight edges, and install the battery into the battery hole 2. After a group of batteries, i.e., four batteries, are installed into the battery hole 2, a diamond-shaped snap plate 7 is used, and the diamond-shaped snap plate 7 is snapped into the first snap 4. Then, the four rounded corners of the diamond-shaped snap plate 7 are respectively aligned with the pole ears of the four batteries to fix them. Then, the next group of batteries is fixed. After each group of batteries is fixed, the laser machine welds the diamond-shaped snap plate 7 to the battery holder 1, and then snaps another battery holder 1 into the back of the battery to complete the assembly.

[0041] Embodiment 2:

[0042] exist Figure 7 In the embodiment 2 shown, this embodiment 2 provides a technical solution: a lithium-ion battery assembly structure, including: a battery holder 1, a plurality of laterally staggered battery holes 2 are distributed on one side of the battery holder 1; the other side of the battery holder 1 protrudes outward, and the battery holes 2 are distributed around the other side of the battery holder 1 with clamping columns 3; the two side edges of the clamping columns 3 are consistent with the edge shape of the battery hole 2.

[0043] This embodiment is substantially the same as the first embodiment, except that, in this embodiment, the lithium-ion battery assembly structure further includes a sampling circuit board 12. The sampling circuit board 12 is rectangular. During installation, the sampling circuit board 12 is fixed to the battery holder 1 by the second buckle 8 to complete the assembly of the entire battery module.

[0044] The present embodiment provides a lithium-ion battery assembly structure, and its working principle is as follows: during assembly, two battery holders 1 are required. First, align the battery's pole ear with the battery hole 2, which is a round protruding slot with straight edges, and install the battery into the battery hole 2. After a group of batteries, i.e., four batteries, are installed into the battery hole 2, a diamond-shaped snap plate 7 is used to snap the diamond-shaped snap plate 7 into the first snap 4, and then the four rounded corners of the diamond-shaped snap plate 7 are respectively aligned with the pole ears of the four batteries to fix them, and then the next group of batteries is fixed. After each group of batteries is fixed, the laser machine welds the diamond-shaped snap plate 7 to the battery holder 1, and then snaps another battery holder 1 into the back of the battery to complete the assembly. When it is to be used, the sampling circuit board 12 is snapped into the battery holder 1 at one end of the fixed battery pole ear to form a battery module.

[0045] Embodiment 3:

[0046] This embodiment 3 provides a technical solution: a lithium-ion battery assembly structure, including: a battery bracket 1, a plurality of laterally staggered battery holes 2 are distributed on one side of the battery bracket 1; the other side of the battery bracket 1 bulges outward, and the battery holes 2 are distributed around the other side of the battery bracket 1 with clamping columns 3; the two side edges of the clamping columns 3 are consistent with the edge shape of the battery hole 2.

[0047] This embodiment is substantially the same as Embodiment 2, with the difference being that, in this embodiment, the battery hole 2 is a square hole, the battery holes 2 are still staggered, the corresponding installed battery is also a square battery, the corresponding battery holder 1 is rectangular, the corresponding clamping column 3 is a straight edge, the side of the clamping column 3 is matched with the side of the battery hole 2, the corresponding snap plate of the battery is also diamond-shaped, and the installation of this embodiment is the same as that of Embodiment 1.

[0048] The beneficial effects of the utility model are that the battery holes are arranged in a transversely staggered structure on the battery holder, so that after the battery is installed, the overall height is lower and the volume occupied is smaller; the main body of the lithium-ion battery assembly structure is the battery holder, which is rectangular and made in one piece, has a simple structure and is easy to use; a diamond-shaped snap plate is used to fix each battery group, and the battery module is very firm.

[0049] Although this article uses more terms such as battery holder, battery hole, clamp column and diamond clamp plate, it does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A lithium-ion battery assembly structure, characterized in that: include: A battery holder (1), wherein a plurality of transversely staggered battery holes (2) are distributed on one side of the battery holder (1); The other side of the battery holder (1) protrudes outwards, and the battery hole (2) is provided with a clamping column (3) distributed around the other side of the battery holder (1); the two side edges of the clamping column (3) are in conformity with the edge shape of the battery hole (2).

2. The lithium-ion battery assembly structure according to claim 1, characterized in that: The battery hole (2) is in the shape of a semicircle with a straight edge and a circular protruding slot; The side edge of the clamping column (3) is adapted to the round edge of the battery hole (2).

3. The lithium-ion battery assembly structure according to claim 1, characterized in that: The two battery holes (2) are arranged in pairs corresponding to each other; Each pair of battery holes (2) are symmetrical to each other in the form of circular protruding slots.

4. The lithium-ion battery assembly structure according to claim 1, 2 or 3, characterized in that: The battery holes (2) are arranged in two pairs in a staggered manner as a group; Each group of battery holes (2) has a battery hole groove in the middle.

5. The lithium-ion battery assembly structure according to claim 1, characterized in that: The lithium-ion battery assembly structure also includes a snap plate; The snap plate comprises a diamond-shaped snap plate (7), the interior of the diamond-shaped snap plate (7) being a hollow diamond.

6. The lithium-ion battery assembly structure according to claim 4, characterized in that: The first buckles (4) are arranged on both upper and lower sides of the battery hole groove (11); A buckle hole (5) is formed on the edge of the first buckle (4).

7. The lithium-ion battery assembly structure according to claim 5, characterized in that: The battery bracket (1) is provided with a clamping column hole (6) on the other side of the clamping column (3); The clamping column hole (6) is surrounded by a diamond-shaped clamping plate (7) during installation.

8. The lithium-ion battery assembly structure according to claim 7, characterized in that: The four corners of the diamond-shaped snap plate (7) are rounded, and the center of the rounded corners has a hole; The hole at the center of the rounded corner corresponds to the circular protruding slot on the straight side of the battery hole (2).

9. The lithium-ion battery assembly structure according to claim 1, characterized in that: A plurality of protruding columns (9) are installed on one side of the battery holder (1) where the battery hole groove (11) is distributed.

10. The lithium-ion battery assembly structure according to claim 1, characterized in that: The battery holder (1) is rectangular in shape as a whole, and the edge of the battery holder (1) is raised, and the raised edge corresponds to the battery hole (2).

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