Combined lithium battery pack

Abstract

The utility model relates to the technical field of combined lithium batteries, and discloses a combined lithium battery pack, which comprises a battery box, a dismounting mechanism is arranged on the front side of the battery box, the dismounting mechanism comprises a hinge seat, a closing plate, a connecting block and a connecting shaft, and the back side of the hinge seat is fixedly connected with the inside of the battery box. According to the combined lithium battery pack, limiting screws are taken out from the interiors of a first threaded groove and a second threaded groove, after the limiting screws are taken out, no related connecting force exists between a rotating block and a connecting block, a closing plate can leave the front face of a battery box under the action of a hinge seat, and finally, the closing plate is closed under the sliding action of the outer surface of the battery box; the position of the rotating block can be rotated to the right side of the battery box, and the interior of the battery box can be conveniently opened, so that the problem of how to close and open the interior of the battery box is effectively solved, the effect of conveniently maintaining the interior of the battery box can be achieved, and related maintenance time and maintenance cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of combined lithium batteries, and specifically relates to a combined lithium battery pack. Background Technique

[0002] A combined lithium battery pack, that is, a lithium battery PACK, refers to the process of forming a certain voltage and capacity through the series and parallel connection of single lithium batteries and installing a protection board so that the finished lithium battery can perform charging and discharging functions. The combined lithium battery pack requires correct charge and discharge management to avoid abnormal situations such as overcharging and over-discharging. During use, attention should be paid to safety protection to avoid situations such as short circuits and impacts that may cause safety accidents.

[0003] According to a combined small lithium battery with the application number CN202122169048.3, this solution solves the problem that lithium batteries are easily damaged due to pressure or collision during handling, which in turn affects their normal use, resulting in a reduction in the working efficiency of the equipment and an increase in the use cost.

[0004] However, the following problems still exist in the actual use process:

[0005] (1) The whole is encapsulated and used through a battery box, so it cannot be conveniently opened and repaired, which will increase the relevant repair time, thus increasing the burden on maintenance personnel and also increasing the relevant costs.

[0006] (2) The stability during the overall installation is poor, and it cannot be adaptively installed according to different actual environments, so that the stability and corresponding safety during use will be reduced, which is not conducive to more efficient use in practice.

[0007] Therefore, the utility model provides a combined lithium battery pack. Content of the Utility Model

[0008] In view of the deficiencies of the prior art, the utility model provides a combined lithium battery pack, which has the advantages of being easy to disassemble and assemble and being conducive to adapting to different environments for installation, and solves the problems raised in the background technique.

[0009] The utility model provides the following technical solution: A combined lithium battery pack includes a battery box. An assembly and disassembly mechanism is arranged on the front surface of the battery box. The assembly and disassembly mechanism includes a hinge seat, a closing plate, a connecting block and a connecting shaft. The back surface of the hinge seat is fixedly connected to the inside of the battery box. The back surface of the closing plate is fixedly connected to the front surface of the hinge seat. The back surface of the connecting block is fixedly connected to the front surface of the closing plate. A first threaded groove is formed on the surface of the connecting block. A connecting shaft is fixedly installed on the right side of the battery box.

[0010] Preferably, an installation mechanism is provided at the bottom of the battery box. The installation mechanism includes an installation plate, fixing bolts, and a T-shaped insertion groove. The upper surface of the installation plate is fixedly connected to the lower surface of the battery box. The outer surface of the fixing bolt is threadedly connected to the inside of the installation plate and also threadedly connected to the inside of the battery box. A plugging groove is formed on the surface of the installation plate, and the outer surface of the T-shaped insertion groove is plugged into the inside of the plugging groove.

[0011] Preferably, a rotating block is rotatably connected to the outer surface of the connecting shaft, and a second threaded groove is formed on the surface of the rotating block.

[0012] Preferably, a protective pad is fixedly installed on the back surface of the closing plate. Heat dissipation grooves are formed on both sides of the battery box, and a partition is fixedly installed inside the battery box.

[0013] Preferably, the bottom of the T-shaped insertion groove is in contact with the upper surface of the installation plate, and an installation rod is inserted into the inside of the T-shaped insertion groove.

[0014] Preferably, an installation hole is formed inside the installation rod, and the upper surface of the installation rod is in contact with the bottom of the installation plate.

[0015] Compared with the prior art, the present utility model has the following beneficial effects:

[0016] 1. For this combined lithium battery pack, by using the disassembly and assembly mechanism, when this combined lithium battery pack is in use and the battery box is to be disassembled and assembled, first, when the whole is disassembled, the limit screws can be taken out from the inside of the first threaded groove and the second threaded groove. After taking them out, there is no relevant connection force between the rotating block and the connecting block, and the closing plate can be separated from the front of the battery box through the action of the hinge seat. Finally, through the sliding action on the outer surface of the battery box, the position of the rotating block can be rotated to the right side of the battery box, enabling convenient opening of the inside of the battery box. This effectively solves the problem of how to close and open the inside of the battery box, achieves the effect of convenient maintenance of the inside of the battery box, reduces the relevant maintenance time and maintenance cost, and is conducive to reducing the maintenance burden of the staff.

[0017] 2. For this combined lithium battery pack, through the use of the installation mechanism, when this combined lithium battery pack is in use and the battery box is stably installed, first, the position where the mounting plate is installed at the bottom of the battery box is fixed. After being fixed, due to the insertion slots provided inside the mounting plate, according to different actual installation environments, the T-shaped insertion slot can be inserted into different insertion slots. Finally, the mounting rod is installed inside the T-shaped insertion slot, and a connection is made between the inside of the mounting holes provided on the surface of the mounting rod and the installation position. This effectively solves the problem of how to ensure the overall installation stability, enabling more convenient and efficient installation, allowing installation operations according to the actual environment, improving the safety during use, and facilitating more efficient use in practice. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 For the present invention Figure 1 is a schematic top view structure diagram;

[0020] Figure 3 For the present invention Figure 1 is a schematic structure diagram of the disassembly and assembly mechanism;

[0021] Figure 4 For the present invention Figure 1 is a schematic structure diagram of the installation mechanism.

[0022] In the figure: 1. Battery box; 2. Heat dissipation slot; 3. Partition; 4. Hinge seat; 5. Closing plate; 6. Connecting block; 7. First thread groove; 8. Protective pad; 9. Connecting shaft; 10. Rotating block; 11. Second thread groove; 12. Mounting plate; 13. Fixed bolt; 14. Insertion slot; 15. T-shaped insertion slot; 16. Mounting rod; 17. Mounting hole; 18. Disassembly and assembly mechanism; 19. Installation mechanism. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0024] Please refer to Figure 3, A combined lithium battery pack, including a battery box 1. A disassembly and assembly mechanism 18 is provided on the front of the battery box 1. The disassembly and assembly mechanism 18 includes a hinge seat 4, a closing plate 5, a connecting block 6 and a connecting shaft 9. The back of the hinge seat 4 is fixedly connected to the inside of the battery box 1. The back of the closing plate 5 is fixedly connected to the front of the hinge seat 4. The back of the connecting block 6 is fixedly connected to the front of the closing plate 5. A first threaded groove 7 is provided on the surface of the connecting block 6. A connecting shaft 9 is fixedly installed on the right side of the battery box 1. A rotating block 10 is rotatably connected to the outer surface of the connecting shaft 9. A second threaded groove 11 is provided on the surface of the rotating block 10. By using the hinge seat 4, the closing plate 5, the connecting block 6, the connecting shaft 9, as well as the rotating block 10, the second threaded groove 11 and the first threaded groove 7, the effect of conveniently repairing the inside of the battery box 1 can be achieved, and the related repair time and repair cost can be reduced, which is beneficial to reducing the repair burden of the staff.

[0025] Please refer to Figure 4 , An installation mechanism 19 is provided at the bottom of the battery box 1. The installation mechanism 19 includes an installation plate 12, a fixing bolt 13 and a T-shaped insertion groove 15. The upper surface of the installation plate 12 is fixedly connected to the lower surface of the battery box 1. The outer surface of the fixing bolt 13 is threadedly connected to the inside of the installation plate 12, and the outer surface of the fixing bolt 13 is threadedly connected to the inside of the battery box 1. A plugging groove 14 is provided on the surface of the installation plate 12. The outer surface of the T-shaped insertion groove 15 is inserted into the inside of the plugging groove 14. The bottom of the T-shaped insertion groove 15 is attached to the upper surface of the installation plate 12. An installation rod 16 is inserted into the inside of the T-shaped insertion groove 15. An installation hole 17 is provided in the inside of the installation rod 16, and the upper surface of the installation rod 16 is attached to the bottom of the installation plate 12. By using the installation plate 12, the fixing bolt 13, the T-shaped insertion groove 15, as well as the installation rod 16 and the installation hole 17, the installation can be more convenient and efficient, the installation operation can be carried out according to the actual environment, the safety during use is improved, and it is beneficial to be used more efficiently in practice.

[0026] Please refer to Figure 1 and Figure 2 , A protective pad 8 is fixedly installed on the back of the closing plate 5, which can avoid the influence of external vibration on the internal battery during battery use and ensure the safety during use. Heat dissipation grooves 2 are provided on both sides of the battery box 1, which is beneficial to removing the heat generated during use and improving the service life in practice. A partition 3 is fixedly installed inside the battery box 1.

[0027] Working principle: When in use, when disassembling and closing the battery box 1, during closing, the closing plate 5 can be abutted between the back surface of the closing plate 5 and the front surface of the battery box 1 through the action of the hinge seat 4. After the abutment is completed, through the action of the connecting shaft 9 fixedly installed on the right side of the battery box 1, the rotating block 10 can be rotated on the outer surface of the connecting shaft 9. After rotating the rotating block 10 to the relevant position, the second threaded groove 11 formed on the surface of the rotating block 10 can be aligned with the first threaded groove 7 formed on the surface of the connecting block 6 fixedly installed on the front surface of the closing plate 5. After aligning the first threaded groove 7 and the second threaded groove 11, a limit screw can be installed inside the first threaded groove 7 and the second threaded groove 11, and then the overall closing operation can be carried out. When disassembling the whole, the limit screw can be taken out from the inside of the first threaded groove 7 and the second threaded groove 11. After taking it out, there is no relevant connection force between the rotating block 10 and the connecting block 6, and the closing plate 5 can be separated from the front surface of the battery box 1 through the action of the hinge seat 4. Finally, through the sliding action on the outer surface of the battery box 1, the position of the rotating block 10 can be rotated to the right side of the battery box 1 to open the battery box 1.

[0028] When installing the whole, first install the mounting plate 12 at the bottom of the battery box 1. After installation, through the action of the mounting plate 12 and the fixing bolt 13 installed inside the battery box 1, the position where the mounting plate 12 is installed at the bottom of the battery box 1 is fixed. After fixing, according to the different actual installation environments, the T-shaped plug-in groove 15 can be inserted into different plug-in grooves 14 through the action of the plug-in groove 14 formed inside the mounting plate 12. Finally, an installation rod 16 is installed inside the T-shaped plug-in groove 15, and the connection is made between the inside of the installation hole 17 formed on the surface of the installation rod 16 and the installation position, so as to carry out a stable installation operation on the whole.

[0029] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined lithium battery pack, characterized in that: It includes a battery box (1), and a disassembly and assembly mechanism (18) is provided on the front surface of the battery box (1). The disassembly and assembly mechanism (18) includes a hinge seat (4), a closing plate (5), a connecting block (6) and a connecting shaft (9). The back surface of the hinge seat (4) is fixedly connected to the inside of the battery box (1). The back surface of the closing plate (5) is fixedly connected to the front surface of the hinge seat (4). The back surface of the connecting block (6) is fixedly connected to the front surface of the closing plate (5). A first threaded groove (7) is formed on the surface of the connecting block (6). A connecting shaft (9) is fixedly installed on the right side of the battery box (1).

2. The combined lithium battery pack according to claim 1, wherein: An installation mechanism (19) is provided at the bottom of the battery box (1). The installation mechanism (19) includes a mounting plate (12), a fixing bolt (13) and a T-shaped insertion groove (15). The upper surface of the mounting plate (12) is fixedly connected to the lower surface of the battery box (1). The outer surface of the fixing bolt (13) is threadedly connected to the inside of the mounting plate (12), and the outer surface of the fixing bolt (13) is threadedly connected to the inside of the battery box (1). A plugging groove (14) is formed on the surface of the mounting plate (12). The outer surface of the T-shaped insertion groove (15) is inserted into the inside of the plugging groove (14).

3. The combined lithium battery pack according to claim 1, characterized in that: A rotating block (10) is rotatably connected to the outer surface of the connecting shaft (9). A second threaded groove (11) is formed on the surface of the rotating block (10).

4. A combined lithium battery pack according to claim 1, characterized in that: A protective pad (8) is fixedly installed on the back surface of the closing plate (5). Heat dissipation grooves (2) are formed on both sides of the battery box (1). A partition plate (3) is fixedly installed inside the battery box (1).

5. The combined lithium battery pack according to claim 2, characterized in that: The bottom of the T-shaped insertion groove (15) is in contact with the upper surface of the mounting plate (12). An installation rod (16) is inserted into the inside of the T-shaped insertion groove (15).

6. The combined lithium battery pack according to claim 5, wherein: An installation hole (17) is formed inside the installation rod (16), and the upper surface of the installation rod (16) is in contact with the bottom of the mounting plate (12).

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