Battery pack frame and battery pack

Abstract

The utility model provides a battery pack frame and a battery pack, and relates to the field of batteries, the battery pack frame comprises two frame assemblies, a connecting piece is arranged between the two frame assemblies, each frame assembly comprises a supporting plate and a plurality of splicing plates, and two long-rod bolts are connected between the supporting plate and the splicing plates; and a plurality of polygonal holes are formed in the supporting plates and the splicing plates. According to the battery pack, the frame assembly, the splicing plates and the supporting plates are connected through the long-rod bolts, so that the number of the splicing plates can be increased or decreased after the long-rod bolts are screwed off, a user can adjust the capacity according to actual requirements, the whole battery pack does not need to be replaced, and the use flexibility and economical efficiency are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a battery field, specifically, relate to a battery pack frame and battery pack. BACKGROUND

[0002] With the rapid development of science and technology and the popularity of portable electronic equipment, the demand for high-performance, long-lasting battery packs is increasing, and most of the traditional battery packs adopt fixed design, and once production is completed, the battery capacity is fixed and cannot be changed, which is difficult to meet the flexibility requirements of users in different application scenarios. Therefore, we improve it and propose a battery pack frame and battery pack. UTILITY MODEL CONTENTS

[0003] The utility model relates to: in view of the existing battery pack mostly adopts fixed design, once production is completed, its battery capacity is fixed and cannot be changed.

[0004] In order to realize the above-mentioned utility model purpose, the utility model provides a battery pack frame and battery pack to improve the above-mentioned problem.

[0005] The application is as follows:

[0006] A battery pack frame comprises two frame assemblies, a connecting piece is arranged between the two frame assemblies, the frame assembly comprises a support plate and a plurality of splicing plates, two long rod bolts are connected between the support plate and the plurality of splicing plates, a plurality of polygonal holes are formed in the support plate and the splicing plates.

[0007] As a preferred technical scheme of the application, the outer surface of the long rod bolt is threadedly connected with the inner wall of the support plate, and the outer surface of the long rod bolt is insertedly connected with the splicing plate.

[0008] As a preferred technical scheme of the application, the support plate and the splicing plate are provided with a slot on one side, and the splicing plate is fixedly connected with a plug rod on the other side, and the plug rod is fixedly connected with the inner wall of the slot.

[0009] As a preferred technical scheme of the application, a plurality of recesses are formed in the support plate and the splicing plate, and the recesses are communicated with the polygonal holes.

[0010] As a preferred technical scheme of the application, a plurality of limiting blocks are fixedly installed on the inner wall of the polygonal hole.

[0011] As a preferred technical scheme of the application, the connecting piece comprises a plurality of connecting plates and a plurality of connecting pipes, the plurality of connecting plates are fixedly connected with the support plate and the splicing plate of one of the frame assemblies respectively, the plurality of connecting pipes are fixedly connected with the support plate and the splicing plate of the other frame assembly respectively, and the connecting plate and the connecting pipe are insertedly connected.

[0012] As the preferred technical scheme of the present application, the connecting pipe and the connecting plate are provided with a locking piece for locking between the connecting pipe and the connecting plate.

[0013] As the preferred technical scheme of the present application, the locking piece comprises a fastening bolt screwed on the connecting pipe, and a through hole is formed on the connecting plate, and the outer surface of the fastening bolt passes through the through hole.

[0014] A battery pack uses a battery pack frame, comprising a plurality of battery bodies, the end of the battery body is inserted into a polygonal hole.

[0015] As the preferred technical scheme of the present application, the end of the battery body is in contact with a limiting block, and a gap is left between the outer surface of the battery body and the corner of the inner wall of the polygonal hole.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] In the scheme of the present application:

[0018] In order to solve the problem that the battery pack is mostly designed as a fixed type in the prior art, and the battery capacity is fixed once the production is completed, the frame assembly, the splicing plate and the supporting plate are connected by long rod bolts in the present application, so that the number of splicing plates can be increased or decreased after the long rod bolts are unscrewed, and then the user can adjust the capacity according to the actual demand without replacing the entire battery pack, greatly improving the flexibility and economy of use. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The structure schematic diagram of the battery pack frame and the battery pack provided by the present application is shown in the figure;

[0020] Figure 2 The structure schematic diagram of the battery pack frame provided by the present application is shown in the figure;

[0021] Figure 3 The structure schematic diagram of the frame assembly provided by the present application is shown in the figure;

[0022] Figure 4 The structure schematic diagram of the plug-in rod provided by the present application is shown in the figure.

[0023] Indicated in the figure:

[0024] 1, frame assembly; 102, long rod bolt; 103, splicing plate; 104, polygonal hole; 105, limiting block; 106, groove; 107, supporting plate; 108, plug-in rod; 2, connecting plate; 3, connecting pipe; 4, fastening bolt; 5, battery body. DETAILED DESCRIPTION

[0025] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0026] It should be noted that the embodiments and the features and technical solutions in the embodiments in the present application can be combined with each other without conflict.

[0027] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0028] Embodiment 1, please refer to Figures 1-4 A battery pack frame, comprising two frame assemblies 1, a connecting piece is arranged between the two frame assemblies 1, the frame assembly 1 comprises a support plate 107 and a plurality of splicing plates 103, two long rod bolts 102 are connected between the support plate 107 and the plurality of splicing plates 103, a plurality of polygonal holes 104 are formed on the support plate 107 and the splicing plate 103; the number of sides of the polygonal hole 104 is at least three, the frame assembly 1, the splicing plate 103 and the support plate 107 are connected by the long rod bolt 102, so that the number of splicing plates 103 can be increased or decreased after the long rod bolt 102 is unscrewed, and then the user can adjust the capacity according to the actual demand, without replacing the entire battery pack, greatly improving the flexibility and economy of use. Specifically, after the long rod bolt 102 is unscrewed, if the capacity is increased, the corresponding number of splicing plates 103 is sequentially increased from the side away from the support plate 107, and if the capacity is reduced, the corresponding number of splicing plates 103 is sequentially reduced from the side away from the support plate 107, and then the long rod bolt 102 is screwed on after the operation is completed.

[0029] Further, the outer surface of the long rod bolt 102 is threadedly connected with the inner wall of the support plate 107, and the outer surface of the long rod bolt 102 is insertedly connected with the splicing plate 103, and the number of splicing plates 103 can be increased or decreased after the long rod bolt 102 is separated from the support plate 107 by rotating the long rod bolt 102, which is convenient to operate and beneficial to use.

[0030] Further, as Figure 4As shown, the support plate 107 and one side of the splicing plate 103 are provided with a slot, and the other side of the splicing plate 103 is fixedly connected with a plug rod 108, the plug rod 108 is fixedly connected with the inner wall of the slot, and the plug rod 108 and the slot can improve the stability of the connection between the splicing plate 103 and the support plate 107, effectively prevent the splicing plate 103 and the support plate 107 from loosening or mispositioning, and ensure the normal operation of the battery pack.

[0031] Further, as shown in Figure 4 The support plate 107 and the splicing plate 103 are provided with a plurality of grooves 106, the grooves 106 are communicated with the multi-edge hole 104, the grooves 106 are used for the passing of the nickel sheet, and the nickel sheet used for connecting the battery body 5 can be arranged in the groove 106, so as to reduce the protrusion of the nickel sheet, and further reduce the situation that the nickel sheet is detached due to external force.

[0032] Further, as shown in Figure 4 The inner wall of the multi-edge hole 104 is fixedly installed with a plurality of limiting blocks 105, the limiting blocks 105 are used for limiting the battery body 5, and preventing the battery body 5 from moving out of the multi-edge hole 104.

[0033] In example 2, the battery pack frame provided in example 1 is further optimized, and specifically, as shown in Figure 2 The connecting piece includes a plurality of connecting plates 2 and a plurality of connecting pipes 3, the plurality of connecting plates 2 are fixedly connected with the support plate 107 and the splicing plate 103 of one of the frame assemblies 1 respectively, the plurality of connecting pipes 3 are fixedly connected with the support plate 107 and the splicing plate 103 of the other frame assembly 1 respectively, the connecting plate 2 is inserted with the inner wall of the connecting pipe 3, and the two frame assemblies 1 can be connected together through the connecting piece, and the integrity of the battery pack frame is enhanced.

[0034] Further, as shown in Figure 1 The connecting pipe 3 and the connecting plate 2 are provided with a locking piece, and the locking piece is used for locking between the connecting pipe 3 and the connecting plate 2.

[0035] The locking piece includes a fastening bolt 4 screwed on the connecting pipe 3, a through hole is formed in the connecting plate 2, the outer surface of the fastening bolt 4 passes through the through hole, the connecting plate 2 and the connecting pipe 3 are fixed together through the fastening bolt 4, and the connection of the two frame assemblies 1 is realized.

[0036] In example 3, please refer to Figure 1A battery pack using a battery pack frame, comprising a plurality of battery bodies 5, the end of the battery body 5 is inserted with a multi-edge hole 104, and the plurality of battery bodies 5 are welded together through nickel sheets, if the number of battery bodies 5 is increased, the newly added battery bodies 5 are also welded together with the original battery bodies 5 through nickel sheets, and if the number of battery bodies 5 is reduced, the nickel sheets at the corresponding positions are cut off.

[0037] The battery bodies 5 are in series or parallel, the series can increase the voltage, and is suitable for the scene requiring high voltage output, and the parallel can increase the current capacity, and is suitable for the scene requiring high current output.

[0038] Further, as shown in Figure 1 Figure 1 The end of the battery body 5 is in contact with the limiting block 105, and the outer surface of the battery body 5 and the corner of the inner wall of the multi-edge hole 104 are left with a gap, the existence of the gap increases the space for air circulation, so that the heat generated by the battery body 5 during the working process can be quickly dissipated.

[0039] In the present application, unless otherwise clearly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0040] Obviously, the above-described embodiments are only a part of the embodiments of the present application, not all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features. Any equivalent structure made by using the contents of the present application specification and drawings, directly or indirectly applied to other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A battery pack frame, characterized by, Including two frame assemblies (1), two frame assemblies (1) are provided with connecting pieces, the frame assembly (1) includes support plate (107) and several splicing plates (103), two long rod bolts (102) are connected between the support plate (107) and several splicing plates (103), the support plate (107) and splicing plate (103) are all provided with a plurality of polygonal holes (104).

2. The battery pack frame of claim 1, wherein, The outer surface of the long rod bolt (102) is threadedly connected with the inner wall of the support plate (107), and the outer surface of the long rod bolt (102) is connected with the splicing plate (103).

3. The battery pack frame of claim 1, wherein, One side of the support plate (107) and the splicing plate (103) is provided with a slot, the other side of the splicing plate (103) is fixedly connected with a plug rod (108), and the plug rod (108) is fixedly connected with the inner wall of the slot.

4. The battery pack frame of claim 1, wherein, The support plate (107) and the splicing plate (103) are all provided with a plurality of grooves (106), and the grooves (106) are communicated with the polygonal holes (104).

5. The battery pack frame of claim 1, wherein, A plurality of limiting blocks (105) are fixedly installed on the inner wall of the polygonal hole (104).

6. The battery pack frame of claim 1, wherein, The connecting piece includes a plurality of connecting plates (2) and a plurality of connecting pipes (3), a plurality of connecting plates (2) are respectively fixedly connected with the support plate (107) and the splicing plate (103) of one of the frame assemblies (1), a plurality of connecting pipes (3) are respectively fixedly connected with the support plate (107) and the splicing plate (103) of the other frame assembly (1), and the connecting plate (2) and the inner wall of the connecting pipe (3) are inserted.

7. The battery pack frame of claim 6, wherein, The connecting pipe (3) and the connecting plate (2) are provided with a locking piece, and the locking piece is used for locking between the connecting pipe (3) and the connecting plate (2).

8. The battery pack frame of claim 7, wherein, The locking piece includes a fastening bolt (4) threadedly connected on the connecting pipe (3), a through hole is formed in the connecting plate (2), and the outer surface of the fastening bolt (4) passes through the through hole.

9. A battery pack using the battery pack frame according to any one of claims 1 to 8, characterized by A plurality of battery bodies (5) are inserted into the polygonal holes (104).

10. The battery pack of claim 9, wherein, The end of the battery body (5) is in contact with the limiting block (105), and a gap is left between the outer surface of the battery body (5) and the corner of the inner wall of the polygonal hole (104). The end of the battery body (5) is in contact with the limiting block (105), and a gap is left between the outer surface of the battery body (5) and the corner of the inner wall of the polygonal hole (104).

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