Support bottom plate

Abstract

The support bottom plate comprises a plate body and a protection assembly, a plurality of grooves are formed in the plate body, adjacent round holes are communicated with one another through the grooves to form grid grooves, a plurality of locking grooves are further formed in the plate body, the locking grooves are located between the adjacent grooves, clamping grooves are formed between the locking grooves and the adjacent grooves, and the protection assembly is arranged in the clamping grooves. The protection assembly comprises a twist lock piece, a baffle and a plurality of metal connecting pieces, the twist lock piece is rotationally arranged in the lock groove, the metal connecting pieces are located in the grooves respectively, the baffle is arranged in the grid groove so that the baffle can cover the metal connecting pieces, the baffle is provided with a plurality of clamping blocks, and the clamping blocks are clamped in the clamping grooves. The clamping blocks are located in the clamping grooves respectively, one end of each clamping block extends into the locking groove from the corresponding clamping groove, the twist lock part is rotationally arranged in the locking groove, and when the twist lock part rotates relative to the locking groove under the action of external force, the twist lock part clamps the clamping blocks at the same time, so that the baffle is fixed to the plate body. Therefore, the reliability and the safety of the battery pack are ensured.

Description

Technical Field

[0001] This utility model relates to the technical field of battery accessories, and in particular to a bracket base plate. Background Technology

[0002] With the global energy structure transformation and increasing environmental awareness, new energy technologies are developing at an unprecedented pace. As a crucial component of new energy technologies, lithium battery technology has made breakthroughs in recent years. For example, cylindrical lithium batteries, with their high energy density, long cycle life, and stable performance, have been widely used in electric vehicles, power tools, and energy storage devices. In battery packs, multiple batteries typically need to be fixed in place, and their positive and negative terminals are connected by metal connecting plates or wires to form series / parallel circuits, achieving higher voltage and capacity. The support base plate, as a vital component for fixing multiple batteries, provides stable support and fixation, preventing batteries from moving or falling off during transportation and use.

[0003] However, existing support base plates have the following shortcomings in practical use: After fixing multiple batteries into a battery pack, the existing support base plate connects to the electrodes of each battery via metal connecting pieces on the side of the support base plate away from the batteries to form a series / parallel circuit. This leaves the metal connecting pieces exposed at the bottom of the battery pack. Consequently, during production, the exposed metal connecting pieces are prone to friction with the workbench surface, leading to wear. For example, if there are foreign objects on the workbench, the metal connecting pieces can be easily scratched or pulled during handling, causing the weld points to loosen / fall off, thus affecting the reliability and safety of the battery pack. In view of this, the support base plate of this application is proposed. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a support base plate that can prevent exposed metal connecting pieces from being worn or scratched, thereby improving the reliability and safety of the battery pack.

[0005] The objective of this utility model is achieved through the following technical solution:

[0006] A bracket base plate has several circular holes for fixing batteries, including:

[0007] The plate has several grooves, each groove located between two adjacent circular holes, and each groove connecting adjacent circular holes to form a grid pattern. The plate also has several locking slots, each locking slot located between adjacent grooves. A locking groove is formed between each locking slot and an adjacent groove, with both ends of the locking groove communicating with the locking slot and the groove, respectively.

[0008] The protective assembly includes a torsion lock, a baffle, and several metal connecting pieces. The torsion lock is rotatably disposed within the lock groove, and each of the metal connecting pieces is located within its respective groove. The baffle is disposed within the mesh groove to cover each of the metal connecting pieces. The baffle is provided with several locking blocks, each of which is located within its respective slot, with one end of each locking block extending from its slot into the lock groove. The torsion lock is rotatably disposed within the lock groove. When the torsion lock is rotated relative to the lock groove by an external force, it simultaneously locks each of the locking blocks, thereby fixing the baffle to the plate.

[0009] Optionally, the baffle is further provided with a plurality of protrusions, and the protrusions are arranged in an array, each of the protrusions being used to push against the metal connecting piece.

[0010] Optionally, the protrusion is a hemispherical structure.

[0011] Optionally, the baffle has a plurality of through holes, each of which is located on each of the protrusions.

[0012] Optionally, the locking groove includes a first locking portion and a second locking portion, which are interconnected, and one end of the locking groove is connected to the second locking portion.

[0013] Optionally, the twist lock includes a top block, a rotating post, and a twist plate. The two ends of the rotating post are respectively connected to the top block and the twist plate. The top block is located in the first locking part, and the twist plate is located in the second locking part, so that the twist plate rotates relative to the locking groove to lock the locking block.

[0014] Optionally, the twist lock further includes a wedge, which is disposed on the top block and located on the side of the top block facing the twist lock. The wedge abuts against the inner sidewall of the first locking portion near the second locking portion.

[0015] Optionally, the inclined plate and the top block have an included angle.

[0016] Optionally, the two ends of the inclined plate have an arc.

[0017] Optionally, the torsion lock further includes a limiting strip disposed on the inclined plate.

[0018] Compared with the prior art, the present invention has at least the following advantages:

[0019] The bracket base plate of this invention covers the metal connecting pieces by fixing baffles within the grid grooves on the plate body. This prevents the metal connecting pieces from being scratched or pulled by foreign objects during transportation, thus avoiding loosening or detachment of the welding points. This ensures the reliability and safety of the battery pack. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of the support base plate according to one embodiment of the present invention;

[0022] Figure 2 This is a partial structural cross-sectional schematic diagram of the support base plate according to one embodiment of the present invention;

[0023] Figure 3 for Figure 2 A magnified schematic diagram of the structure of part A in the diagram;

[0024] Figure 4 This is a schematic diagram of the plate body according to one embodiment of the present invention;

[0025] Figure 5 for Figure 4 A magnified schematic diagram of the partial structure of B in the diagram;

[0026] Figure 6 This is a top view of the plate structure according to one embodiment of the present invention;

[0027] Figure 7 This is a schematic diagram of the structure of the baffle according to one embodiment of the present invention;

[0028] Figure 8 This is a schematic diagram of the cross block according to one embodiment of the present invention;

[0029] Figure 9 This is a front view structural diagram of the cross block according to one embodiment of the present invention;

[0030] Figure 10This is a schematic diagram of the structure of a torsion lock component according to one embodiment of the present invention;

[0031] Figure 11 for Figure 10 A magnified schematic diagram of the structure of C.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1. Support base plate; 10. Round hole; 20. Plate body; 30. Protective component; 40. Groove; 50. Locking groove; 51. First locking part; 52. Second locking part; 60. Locking groove; 31. Twist lock; 311. Top block; 312. Rotating column; 313. Twist plate; 314. Inclined plate; 315. Limiting strip; 32. Baffle; 321. Protrusion; 322. Locking block; 323. Cross block. Detailed Implementation

[0034] To facilitate understanding of this utility model, a more comprehensive description will be provided below with reference to the accompanying drawings. The drawings illustrate preferred embodiments of this utility model.

[0035] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0036] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0037] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0038] like Figures 1 to 7 As shown, in one embodiment, a bracket base plate 1 has a plurality of circular holes 10 for fixing batteries, including a plate body 20 and a protective component 30. The plate body 20 has a plurality of grooves 40, each groove 40 being located between two adjacent circular holes 10. Each groove 40 connects adjacent circular holes 10 to form a grid groove. The plate body 20 also has a plurality of locking grooves 50, each locking groove 50 being located between adjacent grooves 40. A locking slot 60 is formed between the locking groove 50 and adjacent grooves 40, with both ends of the locking slot 60 communicating with the locking groove 50 and the groove 40 respectively. The protective component 30 includes a torsion... The lock 31, baffle 32, and metal connecting pieces are provided. The torsion lock 31 is rotatably disposed in the lock groove 50. Each metal connecting piece is located in a groove 40. The baffle 32 is disposed in the mesh groove so that the baffle 32 covers each metal connecting piece. The baffle 32 is provided with a number of locking blocks 322. Each locking block 322 is located in a groove 60, and one end of each locking block 322 extends from the groove 60 into the lock groove 50. The torsion lock 31 is rotatably disposed in the lock groove 50. When the torsion lock 31 is rotated relative to the lock groove 50 by an external force, the torsion lock 31 simultaneously locks each locking block 322, so that the baffle 32 is fixed on the plate 20.

[0039] It should be noted that the circular holes 10 are arrayed on the plate 20, and each circular hole 10 penetrates both opposite sides of the plate 20. One end of each battery is inserted through one end of a circular hole 10 so that the battery electrode is located on the plane of the other end of the circular hole 10. Furthermore, each groove 40 is formed on one side of the plate 20, and each groove 40 is located between two adjacent circular holes 10, with both ends of the groove 40 connecting to the two circular holes 10 respectively. Because the circular holes 10 are arrayed, each circular hole 10 is connected to four grooves 40 in all four directions (up, down, left, and right), forming a grid groove between the circular holes 10 and the grooves 40. Furthermore, because the grooves 40 and the circular holes 10 are interconnected to form a grid groove, a boss is formed between every four adjacent grooves 40. Furthermore, the locking groove 50 is formed on the boss, and the locking groove 50 is provided with a retaining groove 60 between each of the four adjacent grooves 40, and the two ends of the retaining groove 60 are respectively connected to the locking groove 50 and the four grooves 40. Furthermore, the baffle 32 has a mesh structure, and each metal connecting piece is located in each groove 40, so that when the baffle 32 is accommodated in the mesh groove, the baffle 32 can cover each metal connecting piece. Furthermore, a retaining block 322 is provided at the position of the baffle 32 in each groove 40, and one end of the retaining block 322 is located in the retaining groove 60, and the other end of the retaining block 322 extends from the retaining groove 60 into the locking groove 50. Furthermore, the torsion lock 31 is rotatably disposed within the locking groove 50. When the torsion lock 31 is subjected to external force and rotates relative to the locking groove 50, it simultaneously engages with each locking block 322 extending into the locking groove 50. This causes each locking block 322 to simultaneously drive the baffle 32 to be fixed within the mesh groove, covering each metal connecting piece. The metal connecting pieces are used to connect the positive and negative terminals of the battery, forming a series / parallel circuit to achieve higher voltage and capacity. This prevents the metal connecting pieces from being exposed at the bottom of the battery pack, thus avoiding wear or breakage during handling and improving the reliability and safety of the battery pack.

[0040] like Figures 7 to 9 As shown, in one embodiment, the baffle 32 is further provided with a plurality of protrusions 321, and the protrusions 321 are arranged in an array, and each protrusion 321 is used to push the metal connecting piece.

[0041] It should be noted that each protrusion 321 is distributed in an array, and each protrusion 321 is aligned with each circular hole 10. When multiple batteries are fixed in each circular hole 10, each protrusion 321 pushes each metal connecting piece against the electrode of each battery. When the metal connecting piece is pulled by external force, the protrusion 321 presses against the welding position between the metal connecting piece and the battery electrode to prevent the welding point from loosening or detaching.

[0042] like Figures 8 to 9 As shown, in one embodiment, the protrusion 321 has a hemispherical structure.

[0043] It should be noted that the baffle 32 is made of plastic, giving the protrusion 321 a certain degree of elasticity. The diameter of the protrusion 321 is the same as the diameter of the circular hole 10, and the protrusion 321 protrudes towards the side facing the battery electrode, so that the center position of the protrusion 321 coincides with the center position of the battery end. In this way, the apex of the protrusion 321 can abut against the battery electrode, thereby allowing the protrusion 321 to push the battery along the direction of the battery axis, so that each welding point on the metal connecting piece can remain close to the battery electrode.

[0044] like Figure 1 , Figures 7 to 8 As shown, in one embodiment, the baffle 32 has a plurality of through holes, each of which is located on a protrusion 321.

[0045] It should be noted that each through hole is opened at the apex of each protrusion 321, so that the top of the protrusion 321 pushes the metal connecting piece tightly against the battery electrode around each welding point. Furthermore, when there is unevenness in the welding of each welding point, the through hole can avoid the welding point and push the metal connecting piece against the battery electrode.

[0046] like Figures 2 to 6 As shown, in one embodiment, the locking groove 50 includes a first locking part 51 and a second locking part 52, which are interconnected. One end of the locking groove 60 is connected to the second locking part 52.

[0047] It should be noted that the locking groove 50 is formed on the boss, and the locking groove 50 extends inward from one side of the boss. The second engaging part 52 is closer to the outside of the locking groove 50, and the first engaging part 51 is closer to the inside of the locking groove 50. The diameter of the first engaging part 51 is smaller than the diameter of the second engaging part 52, and the first engaging part 51 is connected to the second engaging part 52. In this way, the cross-section of the locking groove 50 tends to be an I-shaped structure.

[0048] like Figure 2 , Figures 10 to 11 As shown, in one embodiment, the twist lock 31 includes a top block 311, a rotating post 312, and a twist plate 313. The two ends of the rotating post 312 are respectively connected to the top block 311 and the twist plate 313. The top block 311 is located in the first locking part 51, and the twist plate 313 is located in the second locking part 52, so that the twist plate 313 rotates relative to the locking groove 50 to lock the locking block 322.

[0049] It should be noted that the twisted piece 313 has a circular sheet structure, and one end of the rotating post 312 is disposed on one side surface of the twisted piece 313. Multiple top blocks 311 are provided, each top block 311 being disposed on the end of the rotating post 312 away from the twisted piece 313, and each top block 311 is equidistantly distributed along the circumference of the rotating post 312. Furthermore, several clearance grooves are formed between the first engaging portion 51 and the second engaging portion 52, with the arc length of each clearance groove being greater than the arc length of each top block 311. This allows the twisted piece 313 to drive each top block 311 from the first engaging portion 51 through the clearance grooves and into the first engaging portion 51. When the twisted piece 313 is subjected to external force and rotates relative to the second engaging portion 52, the twisted piece 313 drives each top block 311 to rotate within the first engaging portion 51 via the rotating post 312.

[0050] like Figures 10 to 11 As shown, in one embodiment, the twist lock 31 further includes a wedge 314, which is disposed on the top block 311 and is located on the side of the top block 311 facing the twist piece 313. The wedge 314 abuts against the inner sidewall of the first locking part 51 near the second locking part 52.

[0051] It should be noted that multiple inclined plates 314 are provided, each located within the first engaging portion 51. One end of the inclined plate 314 is positioned on the side of the top block 311 near the first engaging portion 51, such that the end of the inclined plate 314 away from the top block 311 pushes against the inner sidewall of the first engaging portion 51 facing the top block 311. Thus, each inclined plate 314, using the inner sidewall of the first engaging portion 51 as a fulcrum, pushes each top block 311 away from the second engaging portion 52, thereby causing each top block 311 to drive the torsion plate 313 to engage within the second engaging portion 52 via the rotating post 312. Furthermore, since one end of each engaging block 322 extends into the second engaging portion 52, when the torsion plate 313 is subjected to external force and rotates relative to the second engaging portion 52, the torsion plate 313, via the rotating post 312, drives each top block 311 and each inclined plate 314 to rotate relative to the first engaging portion 51. This causes the twisting tab 313 to clamp the clips 322 that extend into the second snap-fit ​​portion 52. This, in turn, fixes the baffle 32 within the mesh groove to cover the metal connecting pieces, preventing the exposed metal connecting pieces from being scratched or pulled by foreign objects during transport, thus avoiding loosening / detachment of the welding points and affecting the reliability and safety of the battery pack.

[0052] like Figures 10 to 11 As shown, in one embodiment, the inclined plate 314 and the top block 311 have an included angle.

[0053] It should be noted that one end of the inclined plate 314 is disposed on one side of the top block 311, and the other end of the inclined plate 314 is away from one side of the top block 311, so that the inclined plate 314 and one side of the top block 311 form an angle, and the angle is an acute angle. For example, the inclined plate 314 and the top block 311 are integrally formed structures, and both the inclined plate 314 and the top block 311 are made of plastic, so that the inclined plate 314 is elastic. When the twisting plate 313 drives each top block 311 and the inclined plate 314 to slide in the first locking part 51 through the rotating column 312, each inclined plate 314 can push against the top block 311 and the inner side wall of the first locking part 51 respectively, so that each top block 311 drives the twisting plate 313 to press against the second locking part 52 through the rotating column 312 to clamp each locking block 322.

[0054] like Figures 10 to 11 As shown, in one embodiment, the inclined plate 314 has an arc between its two ends.

[0055] It should be noted that the two ends of the inclined plate 314 are curved, and one end of the inclined plate 314 is disposed on one side surface of the top block 311. When the top block 311 drives the other end of the inclined plate 314 to abut against the inner side of the first locking part 51, the curved surface of the inclined plate 314 gradually abuts against the inner wall of the first locking part 51, so that the inclined plate 314 gradually pushes the top block 311 away from the second locking part 52, thereby causing the twisting plate 313 to gradually clamp each locking block 322. When the farthest end of the inclined plate 314 away from the top block 311 abuts against the inner wall of the first locking part 51, the inclined plate 314 and the top block 311 together fill the first locking part 51, so that the twisting plate 313 cannot rotate naturally, thereby causing the twist lock 31 to fall out of the lock groove 50 by itself without external force.

[0056] like Figures 10 to 11 As shown, in one embodiment, the twist lock 31 further includes a limiting strip 315, which is disposed on the inclined plate 314.

[0057] It should be noted that the limiting strip 315 is set on the end of the inclined piece 314 away from the top block 311, so as to prevent the top block 311 from driving the inclined piece 314 to be completely stuck between the top block 311 and the inner wall of the first locking part 51, thereby locking the top block 311 and preventing it from rotating.

[0058] like Figure 1 , Figures 7 to 8As shown, in one embodiment, the baffle 32 is formed by splicing together multiple cross blocks 323. Each cross block 323 extends outward in all four directions, and all four directions of each cross block 323 are interconnected. The width of the four outward-extending directions of the cross blocks 323 is less than the width of each groove 40. Thus, when each cross block 323 covers each metal connecting piece, a gap is left between each cross block 323 and the plate 20 to facilitate heat dissipation for each battery. Furthermore, the four ends of each cross block 323 extend into the grooves 40 surrounding the circular hole 10. When the ends of any two cross blocks 323 are connected to form a locking block 322, the locking block 322 is located within the groove 40, and two locking blocks 322 are formed on both sides of the ends, with the two locking blocks 322 facing opposite sides of the groove 40. Furthermore, the slot 60 is connected to the groove 40 and the second engaging part 52 respectively, so that one end of the locking block 322 formed by any two cross blocks 323 extends from the groove 40 into the slot 60, and the end of the locking block 322 away from the cross block 323 is located in the second engaging part 52, thereby causing the twisting piece 313 to clamp each locking block 322.

[0059] like Figure 1 As shown, in one embodiment, a cross groove is provided on the end of the twist piece away from the rotating column.

[0060] It should be noted that the cross groove is used to receive externally applied force so that the twisting piece 313 drives each top block 311 to rotate relative to the first locking part 51.

[0061] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A bracket base plate having a plurality of circular holes for fixing batteries, characterized in that, include: The plate has several grooves, each groove located between two adjacent circular holes, and each groove connecting adjacent circular holes to form a grid pattern. The plate also has several locking slots, each locking slot located between adjacent grooves. A locking groove is formed between each locking slot and an adjacent groove, with both ends of the locking groove communicating with the locking slot and the groove, respectively. The protective assembly includes a torsion lock, a baffle, and several metal connecting pieces. The torsion lock is rotatably disposed within the lock groove, and each of the metal connecting pieces is located within its respective groove. The baffle is disposed within the mesh groove to cover each of the metal connecting pieces. The baffle is provided with several locking blocks, each of which is located within its respective slot, with one end of each locking block extending from its slot into the lock groove. The torsion lock is rotatably disposed within the lock groove. When the torsion lock is rotated relative to the lock groove by an external force, it simultaneously locks each of the locking blocks, thereby fixing the baffle to the plate.

2. The support base plate according to claim 1, characterized in that, The baffle is also provided with a number of protrusions, and the protrusions are arranged in an array, each of which is used to push the metal connecting piece.

3. The support base plate according to claim 2, characterized in that, The protrusion has a hemispherical structure.

4. The support base plate according to claim 3, characterized in that, The baffle has several through holes, each of which is located on each of the protrusions.

5. The support base plate according to claim 1, characterized in that, The locking groove includes a first locking part and a second locking part, which are interconnected. One end of the locking groove is connected to the second locking part.

6. The support base plate according to claim 5, characterized in that, The torsion lock includes a top block, a rotating post, and a torsion plate. The two ends of the rotating post are connected to the top block and the torsion plate, respectively. The top block is located in the first locking part, and the torsion plate is located in the second locking part, so that the torsion plate rotates relative to the locking groove to lock the locking block.

7. The support base plate according to claim 6, characterized in that, The twist lock further includes an inclined plate, which is disposed on the top block and located on the side of the top block facing the twist plate. The inclined plate abuts against the inner sidewall of the first locking portion near the second locking portion.

8. The support base plate according to claim 7, characterized in that, There is an angle between the inclined plate and the top block.

9. The support base plate according to claim 8, characterized in that, The two ends of the inclined plate have an arc.

10. The support base plate according to claim 9, characterized in that, The torsion lock also includes a limiting strip, which is disposed on the inclined plate.

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