CN214898751U

CN214898751U - Lithium battery cap

Info

Publication number: CN214898751U
Application number: CN202120821586.3U
Authority: CN
Inventors: 程远
Original assignee: Tianjin Tianyuan Technology Co ltd
Current assignee: Tianjin Tianyuan Technology Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-11-26
Anticipated expiration: 2031-04-21

Abstract

The utility model discloses a lithium battery cap, including battery body and block body, the mounting groove has all been seted up on two inside wall tops of battery body, inside the both ends of block body all extended to the mounting groove, and be provided with first sealing washer between block body and the mounting groove, block body lower surface is provided with the inoxidizing coating, the below of block body is provided with explosion-proof board and connecting plate, and the intermediate position of connecting plate has seted up the gas vent, a plurality of support columns of even fixedly connected with between connecting plate and the block body. The utility model discloses in, further strengthen the leakproofness of battery body, the disappointing decompression can obstruct electrolyte leakage and avoid polluting all ring edge borders with exhausting radiating while, through fixation clamp and the adjustment mechanism who sets up, can fix wire lead core and support tightly the realization circuit intercommunication fast with the motor, need not the welding and can the high-speed wiring, simplify the dismouting operation, it is higher that the circuit need not to take off whole protectiveness with the block cap when changing over to connect.

Description

Lithium battery cap

Technical Field

The utility model relates to a lithium cell technical field especially relates to a lithium cell block.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses non-aqueous electrolyte solution, has the advantages of more storage capacity, longer service life and the like, and a lithium battery cap is a key part of the lithium battery, is arranged at the positive electrode of the lithium battery and is directly connected with a lug, plays a positive electrode conductive terminal on the lithium battery, simultaneously serves as a safety valve and also provides a battery sealing function;

now relate to a lithium cell block, present lithium cell is because the more inside of number of times of charging is likely to produce gas, gas outgoing's in-process is because the lithium cell seal is not good enough, can lead to inside electrolyte to appear leaking and then make peripheral equipment and environment receive the pollution, the radiating effect is not good simultaneously, inside very easy intensification during charge-discharge, keep the higher temperature for a long time and cause great damage to the battery easily, can adopt the welded mode to be connected wire and block when lithium cell and line connection, therefore wire dismouting operation is comparatively inconvenient, take off the block separation then can reduce the protectiveness, influence battery life even.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a lithium battery cap.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a lithium battery cap, includes battery body and block body, the mounting groove has all been seted up on two inside wall tops of battery body, inside the both ends of block body all extended to the mounting groove, and be provided with first sealing washer between block body and the mounting groove, block body lower surface is provided with the inoxidizing coating, the below of block body is provided with explosion-proof board and connecting plate, and the intermediate position of connecting plate has seted up the gas vent, a plurality of support columns of even fixedly connected with between connecting plate and the block body, a plurality of pressure release holes have been seted up on block body surface, a plurality of louvres have been seted up on explosion-proof board surface, the upper surface of block body is provided with the guide core, and the surface of guide core has cup jointed the fixation clamp, and is provided with adjustment mechanism between fixation clamp and the block body.

Further, the protective layer is a waterproof breathable film.

Furthermore, the lower surface of connecting plate fixedly connected with second sealing washer, the fixed cover of explosion-proof board is connected in a plurality of support column surfaces.

Furthermore, a plurality of radiating holes are arranged corresponding to the positions of the pressure relief holes, and the radiating holes and the pressure relief holes are distributed annularly.

Furthermore, explosion-proof board, connecting plate, support column and fixation clamp all possess elasticity.

Further, adjustment mechanism includes driving block, regulating plate, spring and bar mouth, driving block and block body upper surface both sides fixed connection, and spring and regulating plate all set up inside the driving block, the both sides wall of driving block is seted up to the bar mouth, the one end of regulating plate all runs through the bar mouth and is fixed with the fixed clamp and be connected.

Further, the top and the regulating plate lower fixed surface of spring are connected, and diapire fixed connection in the bottom and the drive block of spring, the one end that the fixation clamp was kept away from to the regulating plate runs through opposite side bar mouth and extends to the outside.

Further, the draw-in groove has all been seted up to the inside wall of drive block, and the inside fixture block that is provided with of draw-in groove, the one end fixedly connected with connecting block of fixture block, and connecting block and regulating plate lateral wall fixed connection.

The utility model has the advantages that:

the utility model discloses when using, this lithium cell block, first sealing washer through setting up, the second sealing washer, the inoxidizing coating, pressure release hole and louvre, can strengthen the leakproofness of battery body, the decompression that can lose heart when inside atmospheric pressure is great, can exhaust the heat dissipation when inside temperature is higher, can separate electrolyte leakage simultaneously and avoid polluting all ring edge borders, fixation clamp and adjustment mechanism through setting up, when battery and line connection, can fix the wire and lead the core and support tight realization circuit intercommunication fast with the motor, need not the welding, simplify the dismouting operation, need not to take off the block when carrying out changing over of circuit simultaneously, whole protectiveness is higher.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the explosion-proof plate of the present invention;

fig. 3 is a sectional top view of the driving block of the present invention.

Illustration of the drawings:

1. a battery body; 2. a cap body; 3. mounting grooves; 4. a first seal ring; 5. a protective layer; 6. an explosion-proof plate; 7. a support pillar; 8. a connecting plate; 9. an exhaust port; 10. a second seal ring; 11. a guide core; 12. connecting blocks; 13. heat dissipation holes; 14. a card slot; 15. a pressure relief vent; 16. a clamping block; 17. a fixing clip; 18. a drive block; 19. an adjusting plate; 20. a strip-shaped opening; 21. a spring.

Detailed Description

Fig. 1 to 3 show a lithium battery cap, which comprises a battery body 1 and a cap body 2, wherein the top ends of two inner side walls of the battery body 1 are respectively provided with a mounting groove 3, two ends of the cap body 2 extend into the mounting grooves 3, a first sealing ring 4 is arranged between the cap body 2 and the mounting groove 3, a protective layer 5 is arranged on the lower surface of the cap body 2, an explosion-proof plate 6 and a connecting plate 8 are arranged below the cap body 2, and the middle position of the connecting plate 8 is provided with an exhaust port 9, a plurality of supporting columns 7 are uniformly and fixedly connected between the connecting plate 8 and the cap body 2, the surface of the cap body 2 is provided with a plurality of pressure relief holes 15, the surface of the explosion-proof plate 6 is provided with a plurality of heat dissipation holes 13, the upper surface of the cap body 2 is provided with a guide core 11, and the outer surface of the guide core 11 is sleeved with a fixing clamp 17, and an adjusting mechanism is arranged between the fixing clamp 17 and the cap body 2.

When using the lithium cell block, with block body 2 fixed with the installation of the mounting groove 3 of cell body 1, first sealing washer 4 strengthens cell body 1's leakproofness with second sealing washer 10, louvre 13 and pressure release hole 15 can exhaust the heat dissipation, can separate electrolyte leakage when inoxidizing coating 5 is ventilative, when cell body 1 is connected with the circuit, be connected the lead core 11 and the fixation clamp 17 of wire, press both sides regulating plate 19, compression spring 21, make fixture block 16 put into draw-in groove 14 inside fixed, can support tight connection with lead core 11 and block body 2 fast, when needing to carry out the circuit repacking, directly stimulate both sides regulating plate 19, make fixture block 16 break away from draw-in groove 14, spring 21 resets, can break off the circuit connection with fixation clamp 17 takes off.

In the further scheme, inoxidizing coating 5 is waterproof ventilated membrane, and inoxidizing coating 5 possesses certain gas permeability, helps the pressure release heat dissipation, can separate the leakage of electrolyte simultaneously, avoids electrolyte to flow out and pollutes the surrounding environment.

In the further scheme, the lower surface fixedly connected with second sealing washer 10 of connecting plate 8, explosion-proof plate 6 is fixed cup joints in a plurality of support column 7 surfaces, can further promote the leakproofness through second sealing washer 10.

In the further scheme, a plurality of louvres 13 all correspond pressure relief hole 15 position setting, and louvre 13 all is the annular distribution with pressure relief hole 15, can exhaust the heat dissipation through louvre 13 and pressure relief hole 15, maintain battery internal use balance, avoid damaging battery life shortening.

In the further scheme, explosion-proof plate 6, connecting plate 8, support column 7 all possess certain elasticity with fixation clamp 17, can provide certain protection, avoid atmospheric pressure increase to damage interior component.

In the further scheme, adjustment mechanism includes drive block 18, regulating plate 19, spring 21 and bar mouth 20, drive block 18 and 2 upper surface both sides fixed connection of block body, and spring 21 and regulating plate 19 all set up inside drive block 18, bar mouth 20 sets up in the both sides wall of drive block 18, bar mouth 20 and fixation clamp 17 fixed connection are all run through to the one end of regulating plate 19, it removes to lead core 11 through the regulation structure drive, and will lead core 11 and block body 2 and support tightly, can realize fast wiring and simple operation.

In the further scheme, the top of spring 21 and adjusting plate 19 lower surface fixed connection, and bottom wall fixed connection in spring 21's bottom and the drive block 18, the one end that adjusting plate 19 kept away from fixation clamp 17 runs through opposite side bar mouth 20 and extends to the outside, provides the support through spring 21 and is convenient for drive adjusting plate 19 simultaneously and resets.

In a further scheme, the inner side wall of the driving block 18 is provided with a clamping groove 14, a clamping block 16 is arranged inside the clamping groove 14, one end of the clamping block 16 is fixedly connected with the connecting block 12, the connecting block 12 is fixedly connected with the side wall of the adjusting plate 19, and the adjusting plate 19 and the side wall of the driving block 18 can be kept stable through the clamping block 16.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a lithium battery cover cap, includes battery body (1) and cover cap body (2), its characterized in that: the battery cap is characterized in that mounting grooves (3) are formed in the top ends of two inner side walls of the battery body (1), two ends of the cap body (2) extend into the mounting grooves (3), a first sealing ring (4) is arranged between the cap body (2) and the mounting grooves (3), a protective layer (5) is arranged on the lower surface of the cap body (2), an explosion-proof plate (6) and a connecting plate (8) are arranged below the cap body (2), an exhaust port (9) is formed in the middle of the connecting plate (8), a plurality of supporting columns (7) are uniformly and fixedly connected between the connecting plate (8) and the cap body (2), a plurality of pressure relief holes (15) are formed in the surface of the cap body (2), a plurality of heat dissipation holes (13) are formed in the surface of the explosion-proof plate (6), a guide core (11) is arranged on the upper surface of the cap body (2), and a fixing clamp (17) is sleeved on the outer surface of the guide core (11), and an adjusting mechanism is arranged between the fixing clamp (17) and the cap body (2).

2. A lithium battery cap as claimed in claim 1, characterized in that: the protective layer (5) is a waterproof breathable film.

3. A lithium battery cap as claimed in claim 1, characterized in that: the lower surface fixedly connected with second sealing washer (10) of connecting plate (8), explosion-proof board (6) are fixed to be cup jointed in a plurality of support column (7) surface.

4. A lithium battery cap as claimed in claim 1, characterized in that: the positions of the heat dissipation holes (13) are all arranged corresponding to the positions of the pressure relief holes (15), and the heat dissipation holes (13) and the pressure relief holes (15) are all distributed in an annular shape.

5. A lithium battery cap as claimed in claim 1, characterized in that: explosion-proof board (6), connecting plate (8), support column (7) and fixation clamp (17) all possess elasticity.

6. A lithium battery cap as claimed in claim 1, characterized in that: adjustment mechanism includes drive block (18), regulating plate (19), spring (21) and bar mouth (20), drive block (18) and block body (2) upper surface both sides fixed connection, and spring (21) all set up inside drive block (18) with regulating plate (19), the both sides wall of drive block (18) is seted up in bar mouth (20), the one end of regulating plate (19) all runs through bar mouth (20) and fixation clamp (17) fixed connection.

7. A lithium battery cap as claimed in claim 6, characterized in that: the top and regulating plate (19) lower surface fixed connection of spring (21), and bottom wall fixed connection in the bottom and the drive block (18) of spring (21), the one end that fixing clip (17) was kept away from in regulating plate (19) runs through opposite side bar mouth (20) and extends to the outside.

8. A lithium battery cap as claimed in claim 6, characterized in that: draw-in groove (14) have all been seted up to the inside wall of drive block (18), and draw-in groove (14) inside is provided with fixture block (16), the one end fixedly connected with connecting block (12) of fixture block (16), and connecting block (12) and regulating plate (19) lateral wall fixed connection.