Polymer lithium ion battery

Abstract

The utility model relates to the technical field of lithium ion batteries, in particular to a polymer lithium ion battery which comprises a fixed shell, inserting mechanisms are mounted at the left end and the right end of the fixed shell, a lithium ion battery body is movably mounted in the fixed shell, and a mounting groove is formed in the upper end face of the fixed shell. A clamping mechanism is slidably connected to the interior of the mounting groove, and the clamping mechanism is located at the right front end of the lithium ion battery body; under the action of the clamping mechanism, the lithium ion battery body at any position in the battery pack can be conveniently, simply and conveniently detached from the fixed shell independently, in the process, the lithium ion battery body and the fixed shell do not need to be detached together, and after the lithium ion battery body is detached and overhauled, the lithium ion battery body can be detached conveniently and rapidly. And the lithium ion battery main body can be conveniently mounted in the fixed shell again.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium ion batteries, in particular to a polymer lithium ion battery. Background Art

[0002] Polymer lithium-ion battery, also known as polymer lithium battery or lithium polymer battery, is a battery of chemical properties. Lithium polymer battery uses file alloy as positive electrode, polymer conductive material, polyacetylene, polyaniline or polyparaphenol as negative electrode, and organic solvent as electrolyte. Since there is no excess electrolyte in lithium polymer, it is more reliable and stable. To meet the needs of some products, multiple lithium-ion batteries need to be connected in series.

[0003] A polymer lithium-ion battery with Chinese utility model patent application number: 202121813573.8, through the structural design of the connecting components, can be more stable when multiple batteries are connected in series, avoiding their separation due to shaking and vibration, ensuring the normal use of the battery. Through the structural design of the fixed shell (1), the locking slot and the locking frame, the battery can ensure normal use while being easy to repair.

[0004] However, when the above patent is in use, when it is necessary to remove a battery body in the battery pack for maintenance, for the battery body in the middle position, since there is a small gap between the two battery bodies in the battery pack, it is inconvenient to operate. When removing the battery body, the battery body cannot be removed directly, and the fixed shell can only be removed first, and then the battery body is removed from the fixed shell. This has many steps to remove the battery body, which is not simple and convenient. When reinstalling the battery body, the fixed shell also needs to be reinstalled, which is troublesome. Therefore, it is necessary to design a polymer lithium-ion battery. Utility Model Content

[0005] In view of this, the utility model provides a polymer lithium-ion battery, the main technical problem to be solved is: for the lithium-ion battery body in the middle of the battery pack, it is not convenient to simply and conveniently remove the lithium-ion battery body from the fixed shell.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a polymer lithium-ion battery, comprising a fixed shell, the left and right ends of the fixed shell are equipped with plug-in mechanisms, the interior of the fixed shell is movably equipped with a lithium-ion battery body, the upper end surface of the fixed shell is provided with a mounting groove, the interior of the mounting groove is slidably connected with a clamping mechanism, and the clamping mechanism is located at the front end of the lithium-ion battery body.

[0007] By adopting the above technical solution, under the action of the clamping mechanism, the lithium-ion battery body at any position in the battery pack can be easily and conveniently removed from the fixed housing for inspection.

[0008] Furthermore, the plug-in mechanism comprises a mounting block and a mounting shell, the left end of the fixed shell is fixedly connected with the mounting block, the right end of the fixed shell is fixedly connected with the mounting shell, and the mounting block and the mounting shell cooperate with each other.

[0009] By adopting the above technical solution, when multiple fixed shells are connected together, it is only necessary to use the mounting block to install it in the mounting shell, so that the multiple fixed shells can be stably connected together in pairs, thereby making the multiple lithium-ion battery bodies stably connected together in pairs.

[0010] Furthermore, the clamping mechanism includes a mounting plate, an extrusion plate, a connecting plate, a fixed shaft, a spring and a stopper. The mounting plate is slidably connected inside the mounting groove, and the fixed shaft is slidably connected inside the mounting plate. Two groups of fixed shafts are provided and distributed up and down, and are both located in the mounting plate. The front ends of the two groups of fixed shafts are fixedly connected to the stoppers, and the two stoppers are fixedly connected by the connecting plate. The rear ends of the two groups of fixed shafts are fixedly connected to the extrusion plate. A spring is provided between the extrusion plate and the mounting plate, one end of the spring is fixedly connected to the mounting plate, and the other end of the spring is fixedly connected to the extrusion plate.

[0011] By adopting the above technical solution, the lithium-ion battery body installed inside the fixed shell will be squeezed by the squeezing plate under the action of the spring, so that the lithium-ion battery body is more stably located in the fixed shell. When removing a lithium-ion battery body in the battery pack, it is only necessary to pull the connecting plate forward. At this time, under the action of the fixed shaft, the squeezing plate is driven to move in a direction away from the lithium-ion battery body until the squeezing plate is away from the lithium-ion battery body, so that the lithium-ion battery body can be removed separately. In this process, it is not necessary to remove it together with the fixed shell. When removing the lithium-ion battery body at any position in the battery pack, it is very simple and convenient. After the disassembly and maintenance are completed, it is only necessary to control the clamping mechanism to reinstall the lithium-ion battery body in the fixed shell.

[0012] Furthermore, baffles are fixedly connected to both left and right ends of the mounting plate, and the two groups of baffles are respectively located at the left and right ends of the fixed shell and are in close contact with the fixed shell, and the mounting plate and the baffles are an integrated structure.

[0013] By adopting the above technical solution, under the action of the baffle, the mounting plate can be more accurately installed in the mounting groove, and the mounting plate is not easily separated from the mounting groove.

[0014] Furthermore, a flexible pad is fixedly connected to the inner wall of the fixed shell, and the flexible pad is located at the rear end of the lithium-ion battery body.

[0015] By adopting the above technical solution, the presence of the flexible pad can protect the lithium-ion battery body. After the lithium-ion battery body is stably installed in the fixed shell, the inner wall of the fixed shell is prevented from causing damage to the lithium-ion battery body.

[0016] Furthermore, a sliding groove cooperating with the mounting block is formed on the upper end surface of the mounting shell, and the end surfaces of the sliding groove and the mounting block are both T-shaped when viewed from above.

[0017] By adopting the above technical solution, during operation, multiple fixed shells can be stably connected together in pairs, and the fixed shells are not easily separated from each other.

[0018] By means of the above technical solution, the polymer lithium-ion battery of the utility model has at least the following beneficial effects:

[0019] 1. Compared with the prior art, the polymer lithium-ion battery can be easily and conveniently disassembled from the fixed shell of the lithium-ion battery body at any position in the battery pack by the clamping mechanism, and in this process, it is not necessary to disassemble the fixed shell together. After the lithium-ion battery body is disassembled and repaired, it is also convenient to reinstall the lithium-ion battery body in the fixed shell.

[0020] 2. Compared with the prior art, this polymer lithium-ion battery can stably connect multiple fixed shells together in pairs through the action of the plug-in mechanism, thereby stably connecting multiple lithium-ion battery bodies in pairs, thereby completing the assembly of multiple lithium-ion battery bodies. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of a polymer lithium-ion battery proposed by the utility model;

[0022] Figure 2 This is a schematic diagram of the overall structure of a polymer lithium-ion battery proposed by the utility model from a top view;

[0023] Figure 3 A polymer lithium ion battery proposed by the utility model Figure 2 A is a schematic diagram of the enlarged structure of the middle part;

[0024] Figure 4 This is a schematic diagram of the structure of a polymer lithium-ion battery clamping mechanism proposed by the utility model from a front view;

[0025] Figure 5This is a schematic diagram of the rear view of a polymer lithium-ion battery clamping mechanism proposed by the utility model;

[0026] Figure 6 The utility model is a structural schematic diagram of a polymer lithium-ion battery fixed shell.

[0027] Legend:

[0028] 1. Fixed shell; 2. Lithium-ion battery body; 3. Mounting block; 4. Mounting slot; 5. Mounting plate; 6. Connecting plate; 7. Baffle; 8. Fixed shaft; 9. Extrusion plate; 10. Spring; 11. Mounting shell; 12. Flexible pad; 13. Baffle. DETAILED DESCRIPTION

[0029] Reference Figure 1-6 The utility model provides a polymer lithium-ion battery, including a fixed shell 1, with plug-in mechanisms installed at the left and right ends of the fixed shell 1, a lithium-ion battery body 2 is movably installed inside the fixed shell, and a mounting groove 4 is opened on the upper end surface of the fixed shell, and a clamping mechanism is slidably connected inside the mounting groove 4, and the clamping mechanism is located at the front end of the lithium-ion battery body 2.

[0030] By adopting the above technical solution, under the action of the clamping mechanism, the lithium-ion battery body 2 at any position in the battery pack can be easily and conveniently removed from the fixed housing 1 for inspection.

[0031] Furthermore, the plug-in mechanism includes a mounting block 3 and a mounting shell 11. The left end of the fixed shell 1 is fixedly connected with the mounting block 3, and the right end of the fixed shell 1 is fixedly connected with the mounting shell 11. The mounting block 3 and the mounting shell 11 cooperate with each other.

[0032] By adopting the above technical solution, when multiple fixed shells 1 are connected together, it is only necessary to use the mounting block 3 to be installed in the mounting shell 11, so that the multiple fixed shells 1 can be stably connected together in pairs, thereby making the multiple lithium-ion battery bodies 2 stably connected together in pairs.

[0033] Furthermore, the clamping mechanism includes a mounting plate 5, an extrusion plate 9, a connecting plate 6, a fixed shaft 8, a spring 10 and a stopper 13. The mounting groove 4 is internally slidably connected to the mounting plate 5, and the mounting plate 5 is internally slidably connected to the fixed shaft 8. Two groups of fixed shafts 8 are provided and distributed up and down, both located in the mounting plate 5. The front ends of the two groups of fixed shafts 8 are fixedly connected to the stopper 13, and the two stoppers 13 are fixedly connected by the connecting plate 6. The rear ends of the two groups of fixed shafts 8 are fixedly connected to the extrusion plate 9. A spring 10 is provided between the extrusion plate 9 and the mounting plate 5, one end of the spring 10 is fixedly connected to the mounting plate 5, and the other end of the spring 10 is fixedly connected to the extrusion plate 9.

[0034] By adopting the above technical solution, the lithium-ion battery body 2 installed inside the fixed shell 1 will be squeezed by the squeezing plate 9 under the action of the spring 10, so that the lithium-ion battery body 2 is more stably located in the fixed shell 1. When removing a lithium-ion battery body 2 in the battery pack, it is only necessary to pull the connecting plate 6 forward. At this time, under the action of the fixed shaft 8, the squeezing plate 9 is driven to move in a direction away from the lithium-ion battery body 2 until the squeezing plate 9 is away from the lithium-ion battery body 2, so that the lithium-ion battery body 2 can be removed separately. In this process, it is not necessary to remove it together with the fixed shell 1. When removing the lithium-ion battery body 2 at any position in the battery pack, it is very simple and convenient. After the disassembly and maintenance are completed, it is only necessary to control the clamping mechanism to reinstall the lithium-ion battery body 2 in the fixed shell 1.

[0035] Furthermore, baffles 7 are fixedly connected to both left and right ends of the mounting plate 5 . The two sets of baffles 7 are respectively located at the left and right ends of the fixed housing 1 and are in close contact with the fixed housing 1 . The mounting plate 5 and the baffles 7 are an integrated structure.

[0036] By adopting the above technical solution, under the action of the baffle 7, the mounting plate 5 can be more accurately installed in the mounting groove 4, and the mounting plate 5 is not easily separated from the mounting groove 4.

[0037] Furthermore, a flexible pad 12 is fixedly connected to the inner wall of the fixed shell 1 , and the flexible pad 12 is located at the rear end of the lithium-ion battery body 2 .

[0038] By adopting the above technical solution, the presence of the flexible pad 12 can protect the lithium-ion battery body 2. After the lithium-ion battery body 2 is stably installed in the fixed shell 1, the inner wall of the fixed shell 1 is prevented from causing damage to the lithium-ion battery body 2.

[0039] Furthermore, a sliding groove cooperating with the mounting block 3 is formed on the upper end surface of the mounting shell 11 , and the shapes of the sliding groove and the end surfaces of the mounting block 3 when viewed from above are both T-shaped.

[0040] By adopting the above technical solution, during operation, multiple fixed housings 1 can be stably connected together in pairs, and the fixed housings 1 are not easily separated in pairs.

[0041] Working principle:

[0042] When it is necessary to remove the lithium-ion battery body 2 at any position in the battery pack, it is only necessary to pull the connecting plate 6 forward. At this time, under the action of the fixed shaft 8, the extrusion plate 9 is driven to move in the direction away from the lithium-ion battery body 2 until the extrusion plate 9 is away from the lithium-ion battery body 2, so that the lithium-ion battery body 2 can be removed separately. In this process, it is not necessary to remove it together with the fixed shell 1. When removing the lithium-ion battery body 2 at any position in the battery pack, it is very simple and convenient. After the disassembly and maintenance are completed, it is only necessary to control the clamping mechanism to reinstall the lithium-ion battery body 2 in the fixed shell 1. For the lithium-ion battery pack, it is an assembly of multiple lithium-ion battery bodies 2. The lithium-ion battery body 2 here is a polymer lithium-ion battery. When disassembling the lithium-ion battery body 2, the clamping mechanism can also be disassembled along the mounting groove 4, and then the lithium-ion battery body 2 can be removed. The existence of the mounting groove 4 here makes it convenient to disassemble the clamping mechanism from the fixed shell 1 for maintenance.

[0043] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A polymer lithium ion battery, comprising a fixed housing (1), characterized in that: The left and right ends of the fixed shell (1) are provided with plug-in mechanisms, a lithium-ion battery body (2) is movably installed inside the fixed shell, a mounting groove (4) is provided on the upper end surface of the fixed shell, a clamping mechanism is slidably connected inside the mounting groove (4), and the clamping mechanism is located at the front end of the lithium-ion battery body (2).

2. A polymer lithium ion battery according to claim 1, characterized in that: The plug-in mechanism comprises a mounting block (3) and a mounting shell (11); the left end of the fixed shell (1) is fixedly connected to the mounting block (3); the right end of the fixed shell (1) is fixedly connected to the mounting shell (11); the mounting block (3) and the mounting shell (11) cooperate with each other.

3. A polymer lithium ion battery according to claim 1, characterized in that: The clamping mechanism comprises a mounting plate (5), an extrusion plate (9), a connecting plate (6), a fixed shaft (8), a spring (10) and a stopper (13); the mounting groove (4) is slidably connected to the mounting plate (5); the mounting plate (5) is slidably connected to the fixing shaft (8); two groups of fixing shafts (8) are provided and are distributed up and down and are both located in the mounting plate (5); the front ends of the two groups of fixing shafts (8) are fixedly connected to the stopper (13); the two stoppers (13) are fixedly connected via the connecting plate (6); the rear ends of the two groups of fixing shafts (8) are fixedly connected to the extrusion plate (9); a spring (10) is provided between the extrusion plate (9) and the mounting plate (5); one end of the spring (10) is fixedly connected to the mounting plate (5); and the other end of the spring (10) is fixedly connected to the extrusion plate (9).

4. A polymer lithium ion battery according to claim 3, characterized in that: The left and right ends of the mounting plate (5) are fixedly connected to baffles (7), and the two groups of baffles (7) are respectively located at the left and right ends of the fixed shell (1) and are in close contact with the fixed shell (1), and the mounting plate (5) and the baffles (7) are an integrated structure.

5. A polymer lithium ion battery according to claim 1, characterized in that: A flexible pad (12) is fixedly connected to the inner wall of the fixed housing (1), and the flexible pad (12) is located at the rear end of the lithium-ion battery body (2).

6. A polymer lithium ion battery according to claim 2, characterized in that: The upper end surface of the mounting shell (11) is provided with a sliding groove that matches the mounting block (3); the end surfaces of the sliding groove and the mounting block (3) are both T-shaped when viewed from above.

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