Lithium battery convenient to disassemble

Abstract

The utility model belongs to the technical field of lithium batteries, and particularly relates to a lithium battery convenient to disassemble. The battery cell fixing device comprises a shell, a plurality of cavities used for containing battery cells are formed in the shell, first springs are fixedly arranged at the bottoms of the cavities, the battery cells are arranged on the first springs, and limiting assemblies used for limiting the situation that the battery cells are ejected out of the shell by the first springs are arranged on the upper portions of the cavities. According to the utility model, the battery cell is directly put down, and the wedge-shaped stop block is extruded in the descending process of the battery cell, so that the stop block extrudes the second spring, the stop block is stored in the open slot, the battery cell is placed in the cavity, and the stop block can reset to prevent the battery cell from being popped out by the first spring; when the battery cell is lifted, the stop block is pressed into the open slot, so that the battery cell can be removed, the battery cell is convenient to replace, the time for replacing the battery cell is greatly saved, and the operation complexity is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium batteries, and in particular relates to a lithium battery that is easy to disassemble. Background Art

[0002] Traditional batteries usually adopt an integrated design, that is, the battery cell and the shell form a whole. This design requires the entire battery to be disassembled when the battery cell needs to be replaced, which increases the complexity and time cost of the operation. In addition, due to the complex structure of traditional batteries, maintenance becomes difficult and requires professional technicians to operate.

[0003] In the prior art, a Chinese patent with the announcement number CN217239534U discloses a modular lithium battery that is easy to disassemble, which adopts the scheme of "including a combination, a fixed cover and a battery cell, the combination includes a storage structure, an outer shell, a protective cover, a conductive rod, a combination card block, an embedded groove, a positioning hole, a positive electrode connection terminal, a negative electrode connection terminal, a positioning pin, a limit bar, a positive electrode conductive wire, a negative electrode conductive wire, a negative electrode connection slot and a positive electrode connection slot, there are two outer shells, the interior of each outer shell is provided with a storage structure, both ends of the inner wall of the storage structure are provided with a protective cover, the interior of the protective cover is fixedly installed with a conductive rod, two combination card blocks are fixedly installed on both sides of the outer shell, the outer surfaces of both ends of the two outer shells are provided with two embedded grooves, the outer surface of one side of the outer shell is provided with four positioning holes, and the middle position of one side of the outer shell is fixedly installed with a positive electrode connection terminal". This scheme enables the device to have a modular installation structure, which can be arranged and combined for use according to the usage.

[0004] However, the above solution still has some shortcomings. For example, the assembly of each battery cell and the combination card block is too complicated, and the effect of quickly replacing one of the battery cells cannot be achieved. If one of the batteries is damaged, a row of batteries needs to be taken out, and the combination card block needs to be removed during the replacement process, which is very inconvenient. Therefore, a lithium battery that is easy to disassemble is urgently needed to solve the above problems. Utility Model Content

[0005] In order to overcome the defects in the prior art, the utility model provides a lithium battery that is easy to disassemble. The utility model facilitates quick assembly and disassembly of the lithium battery.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A lithium battery that is easy to disassemble comprises a shell, wherein a plurality of cavities for placing battery cells are arranged in the shell, a first spring is fixedly arranged at the bottom of the cavity, and the battery cell is placed on the first spring, and a limiting component for limiting the battery cell from being pushed out of the shell by the first spring is arranged on the upper part of the cavity.

[0008] Preferably, the limit assembly is installed in a slot provided at the top of the cavity, and the limit assembly includes a second spring and a blocking block, one end of the second spring is fixedly connected to the inner wall of the slot, and the other end of the second spring is fixedly connected to one end of the blocking block, and half of the length of the blocking block extends out of the slot.

[0009] Preferably, a damping member for stabilizing the battery cell is also installed at the bottom of the cavity, the bottom of the first spring is fixedly connected to the bottom of the cavity, and the size of the top of the first spring is adapted to the positioning hole provided at the bottom of the battery cell.

[0010] Preferably, one end of the blocking block extending out of the slot is in a downward wedge shape facing the direction of the battery core.

[0011] Preferably, a shell cover is hinged on one side of the shell, and a magnet is provided on the peripheral side of the top of the shell away from the shell cover, and the magnetism of the magnet is attracted to the magnetism of the shell cover.

[0012] Preferably, a handle is provided on the top of the battery cell.

[0013] Preferably, the battery cell is provided with electrodes for charging and discharging.

[0014] Preferably, a cushion base is provided on the peripheral side of the bottom of the shell, and a plurality of evenly distributed heat dissipation holes are provided on the bottom of the shell.

[0015] The advantages of the utility model are:

[0016] (1) The utility model directly lowers the battery cell. During the process of the battery cell being lowered, the wedge-shaped blocking block is squeezed, so that the blocking block squeezes the second spring, and then the blocking block is stored in the slot, and the battery cell is placed in the cavity. The blocking block is reset to prevent the battery cell from being ejected by the first spring. When the battery cell is lifted, the blocking block is pressed into the slot to remove the battery cell, making it convenient to replace the battery cell, greatly saving the time of replacing the battery cell and reducing the complexity of the operation.

[0017] (2) The utility model has the advantages of cost saving and improved usability. Compared with traditional batteries that require the purchase of an entire battery when replacing a battery cell, the battery design of the present invention allows the user to replace only the battery cell without having to purchase a completely new battery. This can reduce the cost of replacing the battery cell and improve the economy and sustainability of the battery. The battery design that is easy to disassemble allows the user to replace the battery cell of different types or capacities as needed to meet different needs. The user can choose a battery cell with a larger capacity to extend the battery life, or replace the battery cell of a specific type to adapt to different application scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model.

[0019] Figure 2 The utility model shell structure schematic diagram Figure 1 .

[0020] Figure 3 This is a schematic diagram of the battery cell structure of the utility model.

[0021] Figure 4 It is a schematic diagram of the internal structure of the shell of the utility model.

[0022] Figure 5 This is an enlarged structural diagram of the blocking block of the utility model.

[0023] Figure 6 It is a schematic diagram of the enlarged structure of the second spring of the utility model.

[0024] Figure 7 The utility model shell structure schematic diagram Figure 2 .

[0025] The meanings of the symbols in the figure are as follows:

[0026] 1-shell, 11-cavity, 12-heat dissipation hole, 13-cushion base, 14-slot, 2-shell cover, 3-battery core, 31-handle, 32-positioning hole, 33-electrode, 4-magnet, 51-first spring, 52-damping element, 61-second spring, 62-blocking block. DETAILED DESCRIPTION

[0027] like Figure 1-7 As shown, a lithium battery that is easy to disassemble includes a shell 1 and a shell cover 2. One side of the shell cover 2 is hinged to one side of the shell 1 to facilitate opening and closing the shell 1. A cushion base 13 is provided at the bottom of the shell 1 and near the four corners. A plurality of evenly distributed heat dissipation holes 12 are opened at the bottom of the shell 1.

[0028] Specifically, the housing 1 is provided with cavities 11 distributed in an array, and the cells 3 are inserted into the cavities 11, so that the cells 3 can be flexibly replaced or repaired. The second spring 61 and the blocking block 62 are installed in the slot 14 provided at the top of the cavity 11, one end of the second spring 61 is fixedly connected to the inner wall of the slot 14, and the other end of the second spring 61 is fixedly connected to one end of the blocking block 62. When the second spring 61 is in a normal state, half of the length of the blocking block 62 extends out of the slot 14. When the cell 3 is placed in the cavity 11 to squeeze the blocking block 62, the blocking block 62 can be completely received in the slot 14. By directly lowering the battery cell 3, the wedge-shaped blocking block 62 is squeezed during the descending process of the battery cell 3, so that the blocking block 62 squeezes the second spring 61, and then the blocking block 62 is received in the slot 14, and the battery cell 3 is placed in the cavity 11. The blocking block 62 is reset to prevent the battery cell 3 from being ejected by the first spring 61; when the battery cell 3 is pulled up, the blocking block 62 is pressed into the slot 14, and the battery cell 3 can be removed, so that the battery cell 3 can be replaced conveniently, which greatly saves the time of replacing the battery cell 3 and reduces the complexity of operation.

[0029] Furthermore, an integrally formed cover handle is provided on the front side of the battery box cover 11, providing a better grip and operation experience. A waterproof cushion is provided on the top of the housing 1, and symmetrical magnets 4 are provided on the top and front edge of the housing 1, providing a waterproof function and convenient magnetic fixation. A power outlet is provided on the front side wall of the housing 1.

[0030] Furthermore, a cell grip 31 is fixedly connected to the top of the cell 3, an electrode 33 is arranged on the side of the cell 3, and a spring positioning hole 32 is provided at the bottom of the cell 3 to provide stable connection and positioning of the cell 3, and the grip can more conveniently replace the cell 3. A damping top member 24 is fixedly connected to the inner bottom wall of the cell slot 18 and near the center. The damping top member 24 is composed of a small damper and a spring. The damping top member 24 is located inside the spring positioning hole 23 and is used to provide a stable connection between the cell slot 18 and the cell 3. A damping member 52 for stabilizing the cell 3 is also installed at the bottom of the cavity 11.

[0031] The working process of the device is described in detail below with reference to the accompanying drawings in the embodiments.

[0032] When the lithium battery is in use, first, the shell cover 2 is opened by the box cover handle, and then the blocking block 62 is pressed and the blocking block 62 is slid into the cavity 11. At the same time, the blocking block 62 squeezes the second spring 61 to shrink the second spring 61. After that, the battery cell 3 is taken out by the battery cell handle 31 to reset the first spring 51. At the same time, the blocking block 62 is reset under the elastic action of the second spring 61. The replaced battery cell 3 is inserted into the cavity 11, and the side wall of the battery cell 3 squeezes the blocking block 62, so that the battery cell 3 gradually moves downward to the inner side of the cavity 11, until the blocking block 62 is stuck on the top of the battery cell 3 under the action of the second spring 61. At this time, the first spring 51 is under pressure to push the battery cell 3 upward, so that the blocking block 62 can firmly fix the battery cell 3.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lithium battery that is easy to disassemble, characterized in that: The invention comprises a shell (1), wherein a plurality of cavities (11) for accommodating battery cells (3) are provided in the shell (1), a first spring (51) is fixedly provided at the bottom of the cavity (11), and the battery cell (3) is placed on the first spring (51), and a limiting component for limiting the battery cell (3) from being pushed out of the shell (1) by the first spring (51) is provided at the top of the cavity (11).

2. The easily disassembled lithium battery according to claim 1, characterized in that: The limiting assembly is installed in a slot (14) provided at the top of the cavity (11), and comprises a second spring (61) and a blocking block (62), one end of the second spring (61) is fixedly connected to the inner wall of the slot (14), the other end of the second spring (61) is fixedly connected to one end of the blocking block (62), and half of the length of the blocking block (62) extends out of the slot (14).

3. The easily disassembled lithium battery according to claim 1, characterized in that: A damping member (52) for stabilizing the battery cell (3) is also installed at the bottom of the cavity (11); the bottom of the first spring (51) is fixedly connected to the bottom of the cavity (11); and the size of the top of the first spring (51) is compatible with a positioning hole (32) provided at the bottom of the battery cell (3).

4. The easily disassembled lithium battery according to claim 2, characterized in that: One end of the blocking block (62) extending out of the slot (14) is in the shape of a descending wedge facing the direction of the battery core (3).

5. The easily disassembled lithium battery according to claim 1, characterized in that: A shell cover (2) is hingedly connected to one side of the shell (1), and a magnet (4) is provided on the top of the shell (1) away from the shell cover (2), and the magnetism of the magnet (4) is attracted to the magnetism of the shell cover (2).

6. The easily disassembled lithium battery according to claim 1, characterized in that: A handle (31) is provided on the top of the battery core (3).

7. The easily disassembled lithium battery according to claim 1, characterized in that: The battery core (3) is provided with electrodes (33) for charging and discharging.

8. The easily disassembled lithium battery according to claim 1, characterized in that: A cushion base (13) is provided on the peripheral side of the bottom of the shell (1), and a plurality of evenly distributed heat dissipation holes (12) are provided on the bottom of the shell (1).

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