Battery pack convenient to assemble in series

Abstract

The utility model discloses a battery pack convenient to assemble in series, and relates to the technical field of battery packs. The battery pack comprises a shell, a battery cell is fixedly connected in the shell, the outer surface of the shell is rotationally connected with a first connecting assembly and a second connecting assembly respectively, and limiting assemblies are arranged in the first connecting assembly and the second connecting assembly respectively. The shell, the first connecting assembly and the second connecting assembly are connected, and the first connecting assembly and the second connecting assembly are both rotationally connected with the shell, so that the connecting direction of the first connecting assembly and the second connecting assembly can be adjusted, and when the first connecting assembly and the second connecting assembly are located on the left side and the right side of the shell, the connecting direction can be adjusted. The battery cells and the shell can be assembled in series in the horizontal direction, and when the first connecting assembly and the second connecting assembly are located on the upper side and the lower side of the shell, series assembly in the vertical direction can be carried out, so that the battery can be suitable for various occasions and is more flexible to use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the battery pack technical field, specifically, especially relates to a battery pack convenient to series connection assembly. BACKGROUND

[0002] Battery refers to the cup, tank or other container or composite container space that contains electrolyte solution and metal electrode to generate current, and can convert chemical energy into electric energy. It is divided into positive and negative. With the progress of science and technology, battery refers to small device that can generate electric energy. The battery pack is assembled by a plurality of batteries in series or parallel.

[0003] In the Chinese patent CN217768654U, a lithium battery pack convenient to splice and assemble is disclosed, which relates to the technical field of lithium battery pack. The lithium battery pack convenient to splice and assemble includes battery pack one and battery pack two. The battery pack one and the battery pack two are formed by batteries connected in parallel or series. A limiting mechanism is arranged on the battery pack one and the battery pack two. The limiting mechanism includes a clamping groove, a sliding groove, and a triangular block one. The clamping groove is opened on the side wall of the battery pack one. The outer end of the clamping groove is in a through state. The sliding groove is opened on the side wall of the battery pack two. The triangular block one has a triangular cross section. The bottom end of the triangular block one is fixedly connected to the top end of the connecting rod.

[0004] The existing connection structure is usually fixed by bolts. It needs tools to assist during installation and is difficult to disassemble due to oxidation of the bolts, which wastes a lot of time. In the above document, the triangular block one is inserted into the clamping groove during splicing. It is more convenient to install without any tool assistance. However, it can only stack and connect the battery packs in series, which has certain limitations.

[0005] There is no effective solution to the problems in the related technology. UTILITY MODEL CONTENTS

[0006] To overcome the above technical problems existing in the prior art, the utility model provides a battery pack convenient to series connection assembly.

[0007] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0008] The utility model discloses a battery pack convenient to series connection assembly, including the shell, the inside fixed connection of shell has the electric core, the outer surface of shell is rotatively connected with first connecting assembly and second connecting assembly respectively, the inside of first connecting assembly and second connecting assembly all is provided with the limiting component, the inside of shell is provided with support component and guide component, the limiting component is used for fixing first connecting assembly and second connecting assembly, support component is used for supporting the battery pack after series connection, guide component is used for guiding support component and moves.

[0009] Further, the first connecting assembly includes a first rotating seat, the first rotating seat is rotatably connected with the shell, a groove is formed on the outer surface of the shell, the first rotating seat is rotatably connected in the groove, a square plate is fixedly connected to the outer surface of the first rotating seat, and a plug is fixedly connected to the outer surface of the square plate.

[0010] Further, the second connecting assembly includes a second rotating seat, the second rotating seat is rotatably connected in the groove, a plug-in seat is fixedly connected to the outer surface of the second rotating seat, a plug hole is formed on the outer surface of the plug-in seat, and the plug hole is used for plug-in connection with the plug to realize series connection between the battery packs.

[0011] Further, the limiting component includes a plug rod, the plug rod is slidably connected with the first rotating seat, a sliding groove is formed on the outer surface of the first rotating seat, the plug rod is slidably connected in the sliding groove, a push block is fixedly connected to the top of the plug rod, the push block is slidably connected with the sliding groove, a spring is fixedly connected to the end of the plug rod, the spring is fixedly connected in the first rotating seat, a first insertion slot and a second insertion slot are formed in the groove, and the first insertion slot and the second insertion slot are used for plug-in connection with the plug rod.

[0012] Further, the support component includes a rotating wheel, a rotating shaft is fixedly connected to the inside of the rotating wheel, the rotating wheel is rotatably connected with the shell through the rotating shaft, a screw cylinder is fixedly connected to the upper end of the rotating shaft, a screw post is threadedly connected in the inside of the screw cylinder, and a support plate is fixedly connected to the upper end of the screw post.

[0013] Further, the guide component includes a guide column, the guide column is fixedly connected to the bottom of the support plate, a limiting plate is fixedly connected to the lower end of the guide column, a stepped hole is formed in the inside of the shell, and the guide column and the limiting plate are slidably connected with the stepped hole.

[0014] Further, an anti-skid protrusion is fixedly connected to the outer surface of the rotating wheel.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model discloses a shell, first connecting component and the connection of second connecting component, first connecting component and second connecting component are all with the rotation connection of shell, make the first connecting component and the connecting direction of second connecting component can be adjusted, when first connecting component and second connecting component are located the left and right sides of shell, multiple groups of electric core and shell can carry out horizontal direction series connection assembly, when first connecting component and second connecting component are located the upper and lower sides of shell, can carry out vertical direction series connection assembly, to can be applicable to multiple occasions, use more flexible.

[0017] 2. The utility model discloses the connection of support plate and guide column, when rotating screw cylinder drive stud, the rotation trend of stud and support plate is blocked by guide column, stud and support plate can move up and down at this time, after support plate stretches out from the shell, support plate can support another group of shell of vertical series connection assembly, make it can keep stable, avoid appearing to shake.

[0018] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be needed to use the drawings of the embodiment to make a brief introduction, obviously, the drawings in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0020] Figure 1 It is the external contour structure schematic of the utility model Figure 1 ;

[0021] Figure 2 It is the external contour structure schematic of the utility model Figure 2 ;

[0022] Figure 3 It is the partial section structure schematic of the shell of the utility model Figure 1 ;

[0023] Figure 4 It is the structure enlarged schematic of the utility model Figure 2 in A place

[0024] Figure 5 It is the partial section structure schematic of the shell of the utility model Figure 2 ;

[0025] Figure 6 It is the structure enlarged schematic of the utility model Figure 5 in B place

[0026] The components represented by the reference numbers in the drawings are listed as follows:

[0027] 1, shell; 2, battery cell; 3, first connecting assembly; 301, first rotating seat; 302, groove; 303, square plate; 304, plug; 4, second connecting assembly; 401, second rotating seat; 402, plug-in seat; 403, jack; 5, limiting assembly; 501, insertion rod; 502, sliding groove; 503, push block; 504, spring; 505, first insertion slot; 506, second insertion slot; 6, supporting assembly; 601, rotating wheel; 602, rotating shaft; 603, screw cylinder; 604, stud; 605, supporting plate; 7, guiding assembly; 701, guiding column; 702, limiting plate; 703, stepped hole; 8, anti-skid protrusion. DETAILED DESCRIPTION

[0028] The technical solutions in the utility model embodiments will be clearly and completely described below with reference to the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] In the description of the utility model, it should be understood that the terms "opening", "upper", "lower", "top", "middle", "inner" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation of the utility model.

[0030] Please refer to Figures 1-6 As shown in the drawings, the utility model is a battery pack convenient for series assembly, which comprises a shell 1, the inside of the shell 1 is fixedly connected with a battery cell 2, the outer surface of the shell 1 is rotatably connected with a first connecting assembly 3 and a second connecting assembly 4 respectively, the inside of the first connecting assembly 3 and the second connecting assembly 4 is provided with a limiting assembly 5, the inside of the shell 1 is provided with a supporting assembly 6 and a guiding assembly 7, the limiting assembly 5 is used for fixing the first connecting assembly 3 and the second connecting assembly 4, the supporting assembly 6 is used for supporting the battery pack after series connection, and the guiding assembly 7 is used for guiding the movement of the supporting assembly 6.

[0031] The electric core 2 is placed in the shell 1, when a plurality of groups of electric cores 2 and the shell 1 need to be connected in series, rotating the first connecting assembly 3 and the second connecting assembly 4 on the shell 1, when the first connecting assembly 3 and the second connecting assembly 4 are located at two sides of the shell 1 respectively, the plurality of groups of electric cores 2 and the shell 1 can be connected in series left and right through the plug connection of the first connecting assembly 3 and the second connecting assembly 4, when the limiting assembly 5 is pushed to move to release the limiting and fixing of the first connecting assembly 3 and the second connecting assembly 4, rotating the first connecting assembly 3 and the second connecting assembly 4 to make them be located in the vertical direction, then driving the supporting assembly 6 to extend out of the shell 1 along the guide assembly 7, at this time, the plurality of groups of electric cores 2 and the shell 1 can be stacked and connected in the vertical direction, and the supporting assembly 6 can support the electric core 2 and the shell 1 to keep them stable.

[0032] The utility model discloses a shell 1, the first connecting assembly 3 and the second connecting assembly 4's connection, the first connecting assembly 3 and the second connecting assembly 4 all are rotated with the shell 1 and are connected, make the first connecting assembly 3 and the second connecting assembly 4's connection direction can adjust, when the first connecting assembly 3 and the second connecting assembly 4 are located at the left and right sides of the shell 1, a plurality of groups of electric cores 2 and the shell 1 can be assembled in series in the horizontal direction, when the first connecting assembly 3 and the second connecting assembly 4 are located at the upper and lower sides of the shell 1, can be assembled in series in the vertical direction, thereby can be applicable to a variety of occasions, and use is more flexible.

[0033] In one embodiment, for the above-mentioned first connecting assembly 3, the first connecting assembly 3 comprises a first rotating seat 301, the first rotating seat 301 is rotationally connected with the shell 1, a groove 302 is formed on the outer surface of the shell 1, the first rotating seat 301 is rotationally connected inside the groove 302, a square plate 303 is fixedly connected to the outer surface of the first rotating seat 301, and a plug 304 is fixedly connected to the outer surface of the square plate 303.

[0034] There are multiple groups of the first connecting assembly 3, the first rotating seat 301 is rotated, the first rotating seat 301 rotates in the groove 302, and simultaneously the first rotating seat 301 can drive the square plate 303 and the plug 304 to rotate, the electric core 2 is electrically connected with the plug 304.

[0035] In one embodiment, for the above-mentioned second connecting assembly 4, the second connecting assembly 4 comprises a second rotating seat 401, the second rotating seat 401 is rotationally connected inside the groove 302, a plug-in seat 402 is fixedly connected to the outer surface of the second rotating seat 401, a plug hole 403 is formed on the outer surface of the plug-in seat 402, and the plug hole 403 is used for plug-in connection with the plug 304 to realize the series connection between the battery groups.

[0036] The second connecting assembly 4 has multiple groups, and the number is the same as that of the first connecting assembly 3. The second rotating seat 401 is rotated, and the second rotating seat 401 can drive the plug-in seat 402 to rotate. When the plug-in seat 402 and the square plate 303 are in the same direction, the multiple groups of battery cells 2 and the shell 1 are assembled. The shell 1 is connected in series through the plug-in of the plug 304 and the plug hole 403. The plug 304 and the plug hole 403 are electrically connected with the battery cell 2, so that the series connection between the battery cells 2 is realized to form a battery pack. When the plug-in seat 402 and the square plate 303 are located on the left and right sides of the shell 1 respectively, the multiple groups of battery cells 2 and the shell 1 can be assembled in series in the left and right directions. When the plug-in seat 402 and the square plate 303 are located on the upper and lower sides of the shell 1 respectively, the series assembly in the vertical direction can be realized, and the use is more flexible.

[0037] In one embodiment, for the above-mentioned limiting assembly 5, the limiting assembly 5 comprises an insertion rod 501, the insertion rod 501 is in sliding connection with the first rotating seat 301, the outer surface of the first rotating seat 301 is provided with a sliding groove 502, the insertion rod 501 is in sliding connection inside the sliding groove 502, the top of the insertion rod 501 is fixedly connected with a push block 503, the push block 503 is in sliding connection with the sliding groove 502, the end of the insertion rod 501 is fixedly connected with a spring 504, the spring 504 is fixedly connected inside the first rotating seat 301, and the inside of the recess 302 is provided with a first insertion slot 505 and a second insertion slot 506, both the first insertion slot 505 and the second insertion slot 506 are used for plug-in connection with the insertion rod 501.

[0038] The limiting assembly 5 in the first rotating seat 301 and the second rotating seat 401 is the same structure. The push block 503 drives the insertion rod 501 to move, the insertion rod 501 slides in the sliding groove 502 and compresses the spring 504, so that the insertion rod 501 is separated from the first insertion slot 505. At this time, the limiting and fixing between the first rotating seat 301 and the shell 1 can be released, and the first rotating seat 301 can rotate until the first rotating seat 301 is vertical and the push block 503 is loosened. The spring 504 pushes the push block 503 and the insertion rod 501 to reset, so that the insertion rod 501 is plugged into the second insertion slot 506, and the first rotating seat 301 can be fixed again. At this time, the first rotating seat 301 and the square plate 303 are in a vertical state.

[0039] In one embodiment, for the above-mentioned supporting assembly 6, the supporting assembly 6 comprises a rotating wheel 601, the inside of the rotating wheel 601 is fixedly connected with a rotating shaft 602, the rotating wheel 601 is in rotating connection with the shell 1 through the rotating shaft 602, the upper end of the rotating shaft 602 is fixedly connected with a screw cylinder 603, the inside of the screw cylinder 603 is in screw connection with a screw column 604, and the upper end of the screw column 604 is fixedly connected with a supporting plate 605.

[0040] Rotating the rotating wheel 601 drives the rotating shaft 602 to rotate, and the rotating shaft 602 drives the screw cylinder 603 to rotate, and the screw cylinder 603 drives the screw post 604 to move up and down, and the support plate 605 on the screw post 604 moves accordingly, so that the support plate 605 extends out of the shell 1 and can support the multiple groups of battery cells 2 and the shell 1 during vertical series assembly.

[0041] In one embodiment, for the above-mentioned guide assembly 7, the guide assembly 7 comprises a guide column 701 fixedly connected to the bottom of the support plate 605, and the lower end of the guide column 701 is fixedly connected to a limiting plate 702, and the inside of the shell 1 is provided with a stepped hole 703, and the guide column 701 and the limiting plate 702 are both in sliding connection with the stepped hole 703.

[0042] The guide column 701 is located in the stepped hole 703, and the guide column 701 is fixedly connected to the support plate 605, which can block the rotating trend of the support plate 605 and the screw post 604, so that the screw cylinder 603 can drive the screw post 604 to move up and down, and the screw post 604 drives the support plate 605 and the guide column 701 to move, and the limiting plate 702 on the guide column 701 can only slide in the stepped hole 703, thereby limiting the movement distance of the guide column 701 and the screw post 604.

[0043] In one embodiment, for the above-mentioned rotating wheel 601, the outer surface of the rotating wheel 601 is fixedly connected with an anti-skid protrusion 8.

[0044] The anti-skid protrusion 8 can make the outer surface of the rotating wheel 601 uneven, thereby increasing the friction between the rotating wheel 601 and the hands of the staff, and facilitating the rotation of the rotating wheel 601.

[0045] Through the above technical solution, 1. Through the connection of the shell 1, the first connecting assembly 3 and the second connecting assembly 4, the first connecting assembly 3 and the second connecting assembly 4 are both in rotational connection with the shell 1, so that the connection direction of the first connecting assembly 3 and the second connecting assembly 4 can be adjusted. When the first connecting assembly 3 and the second connecting assembly 4 are located on the left and right sides of the shell 1, the multiple groups of battery cells 2 and the shell 1 can be series assembled in the horizontal direction, and when the first connecting assembly 3 and the second connecting assembly 4 are located on the upper and lower sides of the shell 1, the series assembly can be performed in the vertical direction, so that it can be applied to various occasions and is more flexible to use; 2. Through the connection of the support plate 605 and the guide column 701, when the screw post 604 is driven by the rotating screw cylinder 603, the rotating trend of the screw post 604 and the support plate 605 is blocked by the guide column 701, so that the screw post 604 and the support plate 605 can move up and down. After the support plate 605 extends out of the shell 1, the support plate 605 can support another group of shells 1 during vertical series assembly, so that it can remain stable and avoid shaking.

[0046] In the description of the application, references to "one embodiment", "an example", "certain examples" etc. mean that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. The appearances of the phrases "in one embodiment", "an example" or "certain examples" in various places in the specification are not necessarily referring to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics can be combined in any suitable manner in one or more embodiments or examples.

[0047] The preferred embodiments of the application disclosed above are only to help explain the application. The preferred embodiments do not describe all the details and limit the application to the specific embodiments described. Obviously, many modifications and variations can be made in light of the contents of the specification. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and use the application. The application is limited only by the claims and their full scope and equivalents.

Claims

1. A battery pack for facilitating series assembly comprising a housing (1), characterised in that, The inside of the shell (1) is fixedly connected with an electric core (2), the outer surface of the shell (1) is rotatably connected with a first connecting assembly (3) and a second connecting assembly (4) respectively, the inside of the first connecting assembly (3) and the second connecting assembly (4) is provided with a limiting assembly (5), the inside of the shell (1) is provided with a supporting assembly (6) and a guiding assembly (7), the limiting assembly (5) is used for fixing the first connecting assembly (3) and the second connecting assembly (4), the supporting assembly (6) is used for supporting the battery pack after being connected in series, and the guiding assembly (7) is used for guiding the movement of the supporting assembly (6).

2. A battery pack for easy series assembly according to claim 1, characterized in that, The first connecting assembly (3) comprises a first rotating seat (301), the first rotating seat (301) is rotatably connected with the shell (1), the outer surface of the shell (1) is provided with a groove (302), the first rotating seat (301) is rotatably connected in the inside of the groove (302), and the outer surface of the first rotating seat (301) is fixedly connected with a square plate (303). The outer surface of the square plate (303) is fixedly connected with a plug (304).

3. A battery pack for facilitating series assembly according to claim 2, wherein, The second connecting assembly (4) comprises a second rotating seat (401), the second rotating seat (401) is rotatably connected in the inside of the groove (302), the outer surface of the second rotating seat (401) is fixedly connected with a plug-in seat (402), the outer surface of the plug-in seat (402) is provided with a plug hole (403), and the plug hole (403) is used for plug-in connection with the plug (304) to realize the series connection between the battery packs.

4. A battery pack for easy series assembly according to claim 3, characterized in that, The limiting assembly (5) comprises an insertion rod (501), the insertion rod (501) is slidably connected with the first rotating seat (301), the outer surface of the first rotating seat (301) is provided with a sliding groove (502), the insertion rod (501) is slidably connected in the inside of the sliding groove (502), the top of the insertion rod (501) is fixedly connected with a push block (503), the push block (503) is slidably connected with the sliding groove (502), the end of the insertion rod (501) is fixedly connected with a spring (504), the spring (504) is fixedly connected in the inside of the first rotating seat (301), the inside of the groove (302) is provided with a first insertion slot (505) and a second insertion slot (506), and the first insertion slot (505) and the second insertion slot (506) are used for plug-in connection with the insertion rod (501).

5. A battery pack for facilitating series assembly according to claim 4, wherein, The supporting assembly (6) comprises a rotating wheel (601), the inside of the rotating wheel (601) is fixedly connected with a rotating shaft (602), the rotating wheel (601) is rotatably connected with the shell (1) through the rotating shaft (602), the upper end of the rotating shaft (602) is fixedly connected with a screw cylinder (603), the inside of the screw cylinder (603) is threadedly connected with a screw column (604), and the upper end of the screw column (604) is fixedly connected with a supporting plate (605).

6. A battery pack for facilitating series assembly according to claim 5, wherein, The guide assembly (7) comprises a guide column (701) fixedly connected at the bottom of the support plate (605), a lower end of the guide column (701) is fixedly connected with a limiting plate (702), a stepped hole (703) is arranged in the inside of the shell (1), and the guide column (701) and the limiting plate (702) are both in sliding connection with the stepped hole (703).

7. A battery pack for facilitating series assembly according to claim 6, wherein, The outer surface of the rotating wheel (601) is fixedly connected with anti-skid protrusions (8).

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