CN112103431A

CN112103431A - Lithium battery convenient to split

Info

Publication number: CN112103431A
Application number: CN202010964301.1A
Authority: CN
Inventors: 曹超然
Original assignee: Anhui Zhengxi Biaowang New Energy Co Ltd
Current assignee: Anhui Zhengxi Biaowang New Energy Co Ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2020-12-18

Abstract

The invention discloses a lithium battery convenient to disassemble, and relates to the technical field of lithium battery equipment. The lithium battery pack with the limiting pin has a reasonable structure, the limiting pin slides, one end of the limiting pin slides out of the limiting hole in the rectangular block, so that the limiting position of the pressing plate is relieved, the lithium battery body can be maintained or replaced by taking down the pressing plate, the lithium battery body and the retainer are taken out, the limiting rod is rotated, one end of the limiting rod slides out of the limiting groove and the U-shaped block on the pull rod, the limiting position of the lower electrode plate is relieved, the lower electrode plate can be taken out by pulling the pull rod, and the lithium battery body is convenient to maintain, overhaul and replace and the whole lithium battery is convenient.

Description

Lithium battery convenient to split

Technical Field

The invention relates to the technical field of lithium battery equipment, in particular to a lithium battery convenient to split.

Background

Lithium batteries generally have two shapes, cylindrical and square. The battery is internally in a spiral winding structure and is formed by spacing a polyethylene film isolating material which is very fine and has strong permeability between a positive electrode and a negative electrode. The positive electrode includes a current collector composed of lithium cobaltate and aluminum foil. The negative electrode is composed of a current collector composed of a graphitized carbon material and a copper foil. The battery is filled with organic electrolyte solution. In addition, a safety valve and a PTC element are provided to protect the battery from damage in the case of abnormal conditions and output short circuits.

Through screw or bolt fastening between current lithium cell body and shell and the protection frame, the dismantlement of lithium cell body and shell and protection frame is not convenient for to this kind of fixed mode, and lithium cell body belongs to the vulnerable part, needs often to overhaul or change to the maintenance and the maintenance of inconvenient lithium cell, consequently this application discloses the lithium cell of the split of being convenient for satisfies the demand.

Disclosure of Invention

The present invention is directed to a lithium battery convenient to disassemble, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a lithium battery convenient to split comprises an outer shell, wherein an upper cover plate is arranged at the top of the outer shell, an inner shell is arranged in the outer shell, an inner cavity is arranged between the inner shell and the outer shell, a lower electrode plate is arranged on the inner wall of the bottom side of the inner shell, a pair of pull rods are arranged at opposite angles of the top of the lower electrode plate, a U-shaped block is arranged on one side of each of the two pull rods, placing grooves are formed in the inner walls of the two sides of the inner shell, limiting grooves are formed in the inner walls of the other two sides of the inner shell, limiting rods are rotatably arranged in the two placing grooves, one ends of the two limiting rods extend into the two limiting grooves respectively, an upper electrode plate is arranged at the top of a lithium battery body, a pressing plate is arranged at the top of the upper electrode plate, two grooves and two square grooves are formed in the top of the inner shell, sliding grooves are formed in the two sides of each groove, the sliding grooves are communicated with the two square grooves respectively, limiting pins are arranged in the sliding grooves respectively, the rectangular blocks are located in the grooves respectively, and one ends of the limiting pins penetrate through the limiting holes and the other sliding grooves.

Borrow by above-mentioned structure, the spacer pin slides along the direction of sliding tray, spacing hole on the one end roll-off rectangular block of spacer pin, thereby it is spacing to remove the clamp plate, it can maintain or change lithium cell body to take off the clamp plate, take out lithium cell body and holder, rotate the gag lever post, U-shaped piece on gag lever post one end roll-off spacing groove and the pull rod, it is spacing that the plate electrode removes down this moment, can take out, through setting up gag pin and gag lever post, be convenient for maintain lithium cell body, overhaul and change, and be convenient for lithium cell integral erection and dismantlement.

Preferably, a limiting spring is arranged in the sliding groove, and two ends of the limiting spring are fixedly connected with the limiting rod and the inner shell respectively.

Furthermore, through setting up spacing spring, spacing spring exerts elasticity to the gag lever post for the better spacing of gag lever post to the clamp plate.

Preferably, a plurality of circular grooves are formed in the inner wall of the top of the inner shell, compression springs are arranged in the circular grooves, and two ends of each compression spring are connected with the lithium battery body and the inner shell respectively.

Further, through setting up compression spring, compression spring exerts elasticity to lithium cell for lithium cell position is more stable, and lithium cell passes through compression spring simultaneously and passes through electric energy transmission to lower plate electrode

Preferably, the top ends of the upper electrode rod and the lower electrode rod are sleeved with electrode columns, and one ends of the two electrode columns penetrate through the upper cover plate.

Through setting up the electrode column, the lithium cell body of being convenient for transmits the electric energy and charges.

Preferably, a plurality of heat dissipation holes are formed in the periphery of the retainer, the periphery of the outer shell, the periphery of the inner shell and the periphery of the rubber block.

Further, through setting up the louvre, quick effectual dispels the heat to lithium cell body for lithium cell body remain stable, avoid leading to lithium cell body to damage because of high temperature.

Preferably, four mounting grooves are formed in the top of the outer shell, and four dust screens are arranged in the mounting grooves.

Furthermore, through setting up the dust screen, avoid external dust to get into in shell body and the interior casing.

Preferably, the bottom of the pressure plate is provided with an insulating plate, and the position of the insulating plate corresponds to the position of the lower electrode rod.

Through setting up the insulation board, avoid electrode bar and last electrode plate to interfere with each other down.

Preferably, four thread grooves are formed in the top of the outer shell, four countersunk holes are formed in the top of the upper cover plate, screws are arranged in the countersunk holes, and one ends of the screws are respectively in threaded connection with the four thread grooves.

Further, the relative positions of the outer shell and the upper cover plate are kept fixed by arranging screws.

Preferably, a fixing groove is formed in the top of the pressing plate, a battery manager is arranged in the fixing groove, and a rubber block is arranged in the inner cavity.

Furthermore, the performance of the lithium battery body is convenient to monitor by arranging the battery manager. Through setting up the rubber piece, carry out shock attenuation guard action to lithium cell body.

Preferably, a lower electrode rod is installed at the top of the lower electrode plate, a pair of supporting blocks is installed on the inner wall of the bottom side of the inner shell, the same holder is arranged at the top of each supporting block, a plurality of placing holes are evenly formed in the top of the holder, lithium battery bodies are arranged in the placing holes, and an upper electrode rod is installed on the side wall of one side of the upper electrode plate.

Further, the position of the lithium battery body in the inner shell is kept stable by arranging the retainer.

In conclusion, the technical effects and advantages of the invention are as follows:

1. the lithium battery pack fixing device is reasonable in structure, the limiting pin is slid, one end of the limiting pin slides out of the limiting hole in the rectangular block, so that the limiting position of the pressing plate is relieved, the lithium battery body can be maintained or replaced by taking down the pressing plate, the lithium battery body and the holder are taken out, the limiting rod is rotated, one end of the limiting rod slides out of the limiting groove and the U-shaped block on the pull rod, the limiting position of the lower electrode plate is relieved at the moment, the lower electrode plate can be taken out by pulling the pull rod, and the lithium battery body is convenient to maintain, overhaul and replace and the whole lithium battery is;

2. according to the lithium battery, the dust screen is arranged, external dust is prevented from entering the outer shell and the inner shell, the lithium battery body is rapidly and effectively cooled through the heat dissipation holes, the lithium battery body is enabled to be stable, and the lithium battery body is prevented from being damaged due to high temperature.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal perspective structure of the present invention;

FIG. 3 is a schematic view of the internal cutaway structure of the present invention;

FIG. 4 is a schematic perspective view of a lower electrode plate of the housing of the present invention;

FIG. 5 is a perspective view of the cage of the present invention;

FIG. 6 is a schematic perspective view of the pressing plate with the upper electrode plate according to the present invention;

FIG. 7 is a perspective view of the lower electrode plate according to the present invention;

FIG. 8 is a schematic perspective view of the spacing pin of FIG. 4 according to the present invention;

fig. 9 is a schematic perspective view of the stop lever of fig. 4 according to the present invention.

In the figure: 1. an outer housing; 2. an upper cover plate; 3. an electrode column; 4. heat dissipation holes; 5. mounting grooves; 6. a rubber block; 7. a battery manager; 8. pressing a plate; 9. a spacing pin; 10. an upper electrode plate; 11. a compression spring; 12. a lower electrode plate; 13. a holder; 14. a lithium battery body; 15. an inner housing; 16. an inner cavity; 17. a rectangular block; 18. an upper electrode rod; 19. an insulating plate; 20. a pull rod; 21. a lower electrode rod; 22. a limiting spring; 23. a limiting rod; 24. a U-shaped block; 25. a placement groove; 26. a limiting groove; 27. a support block; 28. a circular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Example (b): as shown in fig. 1-9, the lithium battery convenient to disassemble includes an outer casing 1, an upper cover plate 2 is disposed on the top of the outer casing 1, an inner casing 15 is installed in the outer casing 1, an inner cavity 16 is disposed between the inner casing 15 and the outer casing 1, and the outer casing 1 and the inner casing 15 may be of an integral structure or a screw connection manner in the prior art.

The lower electrode plate 12 is mounted on the inner wall of the inner housing 15 at the bottom side, and the lower electrode plate 12 may be a flat plate structure of any one of the prior art, such as a copper plate or a steel plate.

A pair of pull rods 20 are diagonally arranged at the top of the lower electrode plate 12, U-shaped blocks 24 are arranged on one sides of the two pull rods 20, the U-shaped blocks 24 and the pull rods 20 are of an integral structure, and the pull rods 20 are made of insulating materials. The lower electrode plate 12 and the pull rod 20 may be screwed together in the prior art.

Casing 15's both sides inner wall has all been seted up standing groove 25 in the casing, spacing groove 26 has all been seted up to the other both sides inner wall of casing 25, all rotate in two standing grooves 15 and install gag lever post 23, the one end of two gag lever posts 23 extends to two spacing grooves 26 respectively in, lithium cell body 14's top is equipped with last electrode plate 10, go up the top of electrode plate 10 and install clamp plate 8, go up electrode plate 10 and clamp plate 8 can be the spiro union connected mode among the prior art.

The bottom of the pressing plate 8 is provided with a pair of rectangular blocks 17, and the rectangular blocks 17 are arranged on the upper part

Spacing hole has all been seted up to one side of two rectangular blocks 17, two recesses and two square grooves have been seted up at interior casing 15's top, the sliding tray has all been seted up to the both sides inside of two recesses, wherein two sliding trays are linked together with two square grooves respectively, wherein all be equipped with spacer pin 9 in two sliding trays, two rectangular blocks 17 are located two recesses respectively, spacing hole and another sliding tray are run through to the one end of two spacer pins 9, spacer pin 9 comprises horizon bar and vertical pole, the benefit that has set up like this is, be convenient for slide spacer pin 9.

Borrow by above-mentioned structure, slip spacer pin 9, spacer pin 9 slides along the direction of sliding tray, spacing hole on the one end roll-off rectangular block 17 of spacer pin 9, thereby clamp plate 8 removes spacingly, it can maintain or change lithium cell 14 to take off clamp plate 8, take out lithium cell 14 and holder 13, rotate gag lever post 23, U-shaped block 24 on gag lever post 23 one end roll-off spacing groove 26 and the pull rod 20, it is spacing that lower plate electrode 12 removes this moment, can take out, through setting up spacer pin 9 and gag lever post 23, be convenient for maintain lithium cell 14, overhaul and change, and be convenient for lithium cell integral erection and dismantlement.

In this embodiment, a limiting spring 22 is disposed in the sliding groove, and two ends of the limiting spring 22 are fixedly connected to the limiting rod 23 and the inner housing 15, respectively. Through setting up spacing spring 22, spacing spring 22 exerts elasticity to gag lever post 23 for gag lever post 23 is better spacing to clamp plate 8.

In this embodiment, a plurality of circular grooves 28 are formed on the top inner wall of the inner housing 15, the compression spring 11 is disposed in the circular grooves 28, and both ends of the compression spring 11 are connected to the lithium battery main body 14 and the inner housing 15, respectively. The compression spring 11 and the inner housing 15 may be a snap connection or a welded connection as in the prior art. Through setting up compression spring 11, compression spring 11 exerts elasticity to lithium cell 14 for lithium cell 14 positions are more stable, and lithium cell 14 passes through compression spring 11 simultaneously with electric energy transfer to lower plate electrode 12

In this embodiment, the top ends of the upper electrode rod 18 and the lower electrode rod 21 are respectively sleeved with the electrode posts 3, and one ends of the two electrode posts 3 respectively penetrate through the upper cover plate 2. The electrode column 3 may be of any cylindrical construction known in the art, for example a circular column.

By arranging the electrode posts 3, the lithium battery body 14 is convenient to transmit electric energy and charge.

In this embodiment, a plurality of heat dissipation holes 4 are formed around the holder 13, the outer housing 1, the inner housing 15, and the rubber block 6. Through setting up louvre 4, quick effectual dispels the heat to lithium cell 14 for lithium cell 14 remain stable, avoid leading to lithium cell 14 to damage because of high temperature.

In this embodiment, four mounting grooves 5 have been seted up at the top of shell body 1, all are equipped with the dust screen in four mounting grooves 5. By providing the dust screen, external dust is prevented from entering the outer case 1 and the inner case 15.

In this embodiment, an insulating plate 19 is installed on the bottom of the pressure plate 8, and the position of the insulating plate 19 corresponds to the position of the lower electrode rod 21. By providing the insulating plate 19, the lower electrode rod 21 is prevented from interfering with the upper electrode plate 10.

In this embodiment, four thread grooves have been seted up at the top of shell body 1, and four counter bores have been seted up at the top of upper cover plate 2, all are equipped with the screw in four counter bores, and the one end spiro union is respectively in four thread grooves of four screws. The relative positions of the outer shell 1 and the upper cover plate 2 are kept fixed by arranging screws.

In this embodiment, the top of the pressing plate 8 is provided with a fixing groove, the battery manager 7 is arranged in the fixing groove, and the rubber block 6 is arranged in the inner cavity 16.

Through setting up the battery manager, be convenient for monitor lithium cell body's performance. Through setting up the rubber piece, carry out shock attenuation guard action to lithium cell body 14.

In this embodiment, the lower electrode rod 21 is installed at the top of the lower electrode plate 12, the pair of supporting blocks 27 is installed on the inner wall of the bottom side of the inner shell 15, the same holder 13 is installed at the top of the supporting blocks 27, a plurality of placing holes are uniformly formed at the top of the holder 13, the lithium battery bodies 14 are all arranged in the plurality of placing holes, and the upper electrode rod 18 is installed on the side wall of one side of the upper electrode plate 10. The lower electrode plate 12 and the lower electrode rod 21 may be welded together in the prior art. The inner housing 15 and the supporting block 27 may be an integral structure or may be connected by bolts. The holder 13 is rectangular, and has chamfers around it, and the top is provided with a plurality of fabrication holes through setting up the holder 13 for the position of lithium cell body 14 in inner shell 15 keeps stable.

The working principle of the invention is as follows:

when battery manager 7 feeds back that lithium cell 14 performance is unstable, it is abnormal, need detect lithium cell 14, maintain or change, at first twist the screw, take off upper cover plate 2 from shell body 1, then slide spacer pin 9, spacer pin 9 slides along the direction of sliding tray, the spacing hole on the one end roll-off rectangular block 17 of spacer pin 9, thereby clamp plate 8 removes spacing, it can maintain or change lithium cell 14 to take off clamp plate 8, take out lithium cell 14 and holder 13, rotate gag lever post 23, gag lever post 23 one end roll-off spacing groove 26 and the U-shaped block 24 on the pull rod 20, lower electrode plate 12 removes spacing this moment, can take out, through setting up gag lever post 9 and gag lever post 23, be convenient for maintain lithium cell 14, overhaul and change, and be convenient for lithium cell integral erection and dismantlement.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a lithium cell convenient to split, includes shell body (1), the top of shell body (1) is equipped with upper cover plate (2), its characterized in that: an inner shell (15) is installed in the outer shell (1), an inner cavity (16) is arranged between the inner shell (15) and the outer shell (1), a lower electrode plate (12) is installed on the inner wall of the bottom side of the inner shell (15), a pair of pull rods (20) is installed on the opposite corners of the top of the lower electrode plate (12), a U-shaped block (24) is installed on one side of each of the two pull rods (20), placing grooves (25) are formed in the inner walls of the two sides of the inner shell (15), limiting grooves (26) are formed in the inner walls of the other two sides of the inner shell (25), limiting rods (23) are installed in the two placing grooves (15) in a rotating mode, one ends of the two limiting rods (23) extend into the two limiting grooves (26) respectively, an upper electrode plate (10) is arranged on the top of the lithium battery body (14), and a, a pair of rectangular blocks (17) is mounted at the bottom of the pressing plate (8), limiting holes are formed in one side of each of the two rectangular blocks (17), two grooves and two square grooves are formed in the top of the inner shell (15), sliding grooves are formed in the two sides of each of the two grooves, the two sliding grooves are respectively communicated with the two square grooves, limiting pins (9) are arranged in the two sliding grooves, the two rectangular blocks (17) are respectively located in the two grooves, and one end of each of the two limiting pins (9) penetrates through the limiting holes and the other sliding groove; lower electrode pole (21) is installed at the top of lower electrode board (12), a pair of supporting shoe (27) is installed to the bottom side inner wall of interior casing (15), the top of supporting shoe (27) is equipped with same holder (13), a plurality of holes of placing have evenly been seted up at the top of holder (13), and is a plurality of place downthehole lithium cell body (14) that all is equipped with, install on electrode pole (18) on the lateral wall of one side of last electrode board (10).

2. The lithium battery convenient for splitting as claimed in claim 1, wherein: and a limiting spring (22) is arranged in the sliding groove, and two ends of the limiting spring (22) are fixedly connected with the limiting rod (23) and the inner shell (15) respectively.

3. The lithium battery convenient for splitting as claimed in claim 1, wherein: a plurality of circular grooves (28) have been seted up to the top inner wall of interior casing (15), be equipped with compression spring (11) in circular groove (28), the both ends of compression spring (11) respectively with lithium cell body (14) interior casing (15) are connected.

4. The lithium battery convenient for splitting as claimed in claim 1, wherein: the top ends of the upper electrode rod (18) and the lower electrode rod (21) are respectively sleeved with an electrode column (3), and one end of each of the two electrode columns (3) penetrates through the upper cover plate (2).

5. The lithium battery convenient for splitting as claimed in claim 1, wherein: a plurality of heat dissipation holes (4) are formed in the periphery of the retainer (13), the outer shell (1), the inner shell (15) and the rubber block (6).

6. The lithium battery convenient for splitting as claimed in claim 1, wherein: four mounting grooves (5) are seted up at the top of shell body (1), four all be equipped with the dust screen in mounting groove (5).

7. The lithium battery convenient for splitting as claimed in claim 1, wherein: an insulating plate (19) is installed at the bottom of the pressing plate (8), and the position of the insulating plate (19) corresponds to the position of the lower electrode rod (21).

8. The lithium battery convenient for splitting as claimed in claim 1, wherein: four thread grooves are formed in the top of the outer shell (1), four countersunk holes are formed in the top of the upper cover plate (2), screws are arranged in the four countersunk holes, and one ends of the screws are respectively in threaded connection with the four thread grooves.

9. The lithium battery convenient for splitting as claimed in claim 1, wherein: the top of the pressing plate (8) is provided with a fixing groove, a battery manager (7) is arranged in the fixing groove, and a rubber block (6) is arranged in the inner cavity (16).