Lithium battery pack with modular structure

Abstract

The utility model relates to the technical field of lithium battery packs, and discloses a lithium battery pack with a modular structure, which comprises a top shell and a base, lithium battery monomers which are uniformly distributed in a rectangular array are arranged between the top shell and the base, the rear side and the left side of the upper end of the top shell are provided with limiting grooves, one side of the interior of each limiting groove is provided with a jack, and the other side of the interior of each limiting groove is provided with a socket. A storage groove is formed in the side, away from the limiting groove, of the upper end of the top shell, a limiting block is slidably mounted in the storage groove and matched with the limiting groove, an inner cavity is formed in the limiting block, a sliding block is slidably mounted in the inner cavity, an inserting rod is arranged at one end of the outer portion of the sliding block, and a limiting groove is formed in the outer portion of the inserting rod. And the inserting rods penetrate through and extend to the exteriors of the limiting blocks, the inserting rods are matched with the inserting holes, and reset springs are arranged on one sides of the interiors of the limiting blocks. According to the utility model, the limiting block structure is arranged in the top shell to be matched with the limiting groove structure, so that the lithium battery pack can be modularly combined for use.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery pack technical field, concretely is lithium battery pack of modular structure. BACKGROUND

[0002] The components of lithium battery pack include battery monomer, battery protection board, connecting cable, terminal and the like. Among them, the battery monomer is the most basic part, and it includes positive pole, negative pole, isolation film, electrolyte and container and several components. The function of battery protection board is to protect the battery, prevent overcharge, overdischarge, short circuit and the like. It includes control circuit, fuse and the like components, can be connected with the battery through data line, realizes the monitoring of battery. At the same time, according to different use environment and battery working state, the protection board can be debugged and set.

[0003] Lithium battery is usually fixed lithium battery pack when buying, along with the demand of electrical equipment to electric energy electric quantity increases, lithium battery pack also increases quantity, but, multiple lithium battery packs need to be fixed in the battery box when being used together, which needs to customize the frame to assemble multiple lithium battery packs, which is troublesome, therefore, the lithium battery pack of modular structure is proposed. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides the lithium battery pack of modular structure to solve the problems in the background art.

[0006] (II) technical scheme

[0007] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: the lithium battery pack of modular structure, including top shell and base, the top shell and base between being provided with the lithium battery monomer that is evenly distributed in rectangular array, the upper end rear side and left side of top shell are provided with the limit slot, the inside one side of limit slot is provided with the insertion hole, the upper end of top shell is provided with the receiving groove on the side away from limit slot, the receiving groove is slidably installed with the limit block in the inside, the limit block is adapted to the limit slot, the inside of limit block is provided with the inner chamber, the inner chamber is slidably installed with the sliding block in the inside, the outside one end of sliding block is provided with the insertion rod, and the insertion rod extends to the outside of limit block and penetrates, the insertion rod is adapted to the insertion hole, the inside one side of limit block is provided with the reset spring.

[0008] Preferably, the inner chamber is provided with a sliding rod in the inside, and the sliding rod is arranged in the inside of reset spring, the sliding block is slidably connected with the sliding rod, and the reset spring makes the sliding block have automatic reset property.

[0009] Preferably, the front and rear sides of the inner side of the limiting block are provided with iron sheets, and the two sides close to the iron sheets in the inner side of the receiving groove are provided with magnet blocks, which are attracted to the iron sheets by magnetic force.

[0010] Preferably, the inner side of the top shell and the inner side of the base are provided with cross grooves, and the center of the cross groove is provided with a circular groove, which is used for embedding the wire.

[0011] Preferably, the inner side of the circular groove is provided with four hole connecting blocks uniformly distributed in a ring shape, and the inner side of the hole connecting block is provided with a fixing bolt, which is used for fixing the wire in the hole of the hole connecting block.

[0012] Preferably, the inner side of the cross groove is provided with a U-shaped clamp, the outer sides of the U-shaped clamp are provided with barbs, the two sides close to the barbs in the inner side of the cross groove are provided with limiting teeth, and the barbs and the limiting teeth are matched, and the U-shaped clamp is limited by the combination of the barbs and the limiting teeth.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the lithium battery pack with a modular structure has the following advantages

[0015] Beneficial effects:

[0016] The limiting block structure is matched with the limiting groove on the corresponding surface of the top shell, the limiting block of the adjacent lithium battery pack is combined with the limiting groove to realize mutual fixation, and the limiting block is limited by the insertion of the insertion rod into the insertion hole, so that the combination of the adjacent lithium battery packs is convenient and fast, modular assembly is realized, and the problems in the background art are solved. ACCOUT OF DRAWINGS

[0017] Figure 1 It is a whole structure perspective view of the utility model;

[0018] Figure 2 It is a whole structure perspective view of the utility model; Figure 1 It is a local enlarged view of A area in the middle;

[0019] Figure 3 It is a limiting block structure perspective view of the utility model.

[0020] In the drawing: 1, lithium battery monomer; 2, top shell; 3, cross groove; 4, circular groove; 5, hole connecting block; 6, fixing bolt; 7, limiting tooth; 8, U-shaped clamp; 9, barb; 10, receiving groove; 11, limiting block; 12, iron sheet; 13, magnet block; 14, inner cavity; 15, sliding block; 16, insertion rod; 17, sliding rod; 18, return spring; 19, limiting groove; 20, insertion hole; 21, base. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than 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.

[0022] The utility model provides a technical scheme, modular structure's lithium battery group, please refer to Figure 1 、 Figure 2 and Figure 3 , including top shell 2 and base 21, top shell 2 and base 21 between being provided with the lithium battery monomer 1 that is evenly distributed in rectangular array, the upper end rear side and left side of top shell 2 are provided with limit slot 19, the inside one side of limit slot 19 is provided with the jack 20, the upper end of top shell 2 away from the one side of limit slot 19 is provided with the accommodation groove 10, the inside of accommodation groove 10 is slidably installed with the limit block 11, limit block 11 is adapted with limit slot 19, the inside of limit block 11 is provided with inner chamber 14, the inside of inner chamber 14 is slidably installed with sliding block 15, the outside one end of sliding block 15 is provided with the plug rod 16, and the plug rod 16 penetrates and extends to the outside of limit block 11, the plug rod 16 is adapted with the jack 20, the inside one side of limit block 11 is provided with return spring 18.

[0023] Please refer to Figure 3 , the inside of inner chamber 14 is provided with slide rod 17, and slide rod 17 is arranged in the inside of return spring 18, sliding block 15 is slidably connected with slide rod 17, and return spring 18 makes sliding block 15 have automatic reset.

[0024] Please refer to Figure 1 、 Figure 2 and Figure 3 , the front and rear sides of the inside one side of limit block 11 are provided with iron sheet 12, the inside of accommodation groove 10 is provided with magnet block 13 near the two sides of iron sheet 12, and iron sheet 12 is adsorbed by magnet block 13 through magnetic force.

[0025] Please refer to Figure 1 and Figure 2 , the inside of top shell 2 and the inside of base 21 are provided with cross slot 3, and round groove 4 is arranged at the center of cross slot 3, and cross slot 3 is used for embedding wire.

[0026] Please refer to Figure 2 , the inside of round groove 4 is provided with four hole connecting blocks 5 evenly distributed along the annular, and fixed bolts 6 are installed in the inside of hole connecting blocks 5, and fixed bolts 6 are used for fixing wire in the hole of hole connecting block 5.

[0027] Please refer toFigure 2 The inside of the cross slot 3 is provided with a U-shaped clamp 8, the outer two sides of the U-shaped clamp 8 are provided with barbs 9, the inside of the cross slot 3 is provided with limiting teeth 7 near the two sides of the barbs 9, and the barbs 9 are matched with the limiting teeth 7, and the barbs 9 and the limiting teeth 7 limit the U-shaped clamp 8 in combination.

[0028] The present scheme: the adjacent lithium battery packs are close to each other, the limiting block 11 on one side of the top shell 2 is pulled out, the sliding block 15 is pulled towards the inside of the inner cavity 14 so that the insertion rod 16 is received in the limiting block 11, then the adjacent lithium battery packs are attached, the limiting block 11 is combined with the limiting groove 19 of the top shell 2 of the lithium battery pack on one side, the sliding block 15 is loosened, the reset spring 18 resets and pushes the sliding block 15 so that the insertion rod 16 is inserted into the insertion hole 20, thereby connecting the adjacent lithium battery packs, then the wires are buried in the cross slot 3 according to the requirement, one end of the wire is inserted into the hole connecting block 5, the wire is fixed by tightening the fixing bolt 6, the U-shaped clamp 8 is inserted into the outside of the wire in the cross slot 3, and the wire is fixed by the combination of the barbs 9 and the limiting teeth 7.

[0029] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or apparatus that includes a list of elements does not only include those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article or apparatus.

[0030] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A modular structure lithium battery pack comprising a top cover and a base, lithium battery cells are evenly distributed in a rectangular array between the top cover and the base, characterized in that: The upper end rear side and the left side of the top shell are provided with limiting grooves, one side of the inside of the limiting groove is provided with a insertion hole, one side of the top shell far away from the limiting groove is provided with a receiving groove, the inside of the receiving groove is slidably installed with a limiting block, the limiting block is matched with the limiting groove, the inside of the limiting block is provided with an inner cavity, the inside of the inner cavity is slidably installed with a sliding block, one end of the outside of the sliding block is provided with an insertion rod, the insertion rod penetrates and extends to the outside of the limiting block, the insertion rod is matched with the insertion hole, one side of the inside of the limiting block is provided with a return spring.

2. The modular structured lithium battery pack of claim 1, wherein: The inside of the inner cavity is provided with a sliding rod, and the sliding rod is arranged in the inside of the return spring, the sliding block and the sliding rod are slidably connected.

3. The modular structured lithium battery pack of claim 1, wherein: The front and back of one side of the inside of the limiting block are both provided with iron sheets, the inside of the receiving groove is provided with magnet blocks near the two sides of the iron sheets.

4. The modular structured lithium battery pack of claim 1, wherein: The inside of the top shell and the inside of the base are both provided with cross grooves, the center of the cross groove is provided with a circular groove.

5. The modular structured lithium battery pack of claim 4, wherein: The inside of the circular groove is provided with four evenly distributed annular hole connecting blocks, the inside of the hole connecting block is installed with a fixing bolt.

6. The modular structured lithium battery pack of claim 5, wherein: The inside of the cross groove is installed with a U-shaped card, the outside of the U-shaped card is provided with two hooks, the inside of the cross groove is provided with limiting teeth near the two sides of the hooks, and the hooks are matched with the limiting teeth.

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