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CN-224217674-U - Lithium battery tab structure capable of adjusting bending angle

CN224217674UCN 224217674 UCN224217674 UCN 224217674UCN-224217674-U

Abstract

The utility model provides a lithium battery tab structure with an adjustable bending angle, which relates to the technical field of lithium batteries and comprises the following components: the lithium battery is arranged in the protective shell, the mounting plate is arranged at the top of the protective shell, the positive electrode lug and the negative electrode lug are arranged at the top of the lithium battery, the adjusting assembly is arranged in the mounting plate and used for adjusting the angles of the positive electrode lug and the negative electrode lug, the adjusting assembly comprises a rotating rod, a tab groove and a gear b, the radiating assembly is arranged in the protective shell and used for reducing the temperature in the protective shell, and the radiating assembly comprises a heat conducting plate, a heat conducting column and a heat radiating plate. Through adjusting part, can adjust anodal ear and negative pole ear position, be applicable to the battery assembly scene of equidimension or model, can be with the heat conduction of lithium cell to the external world through radiating component, show the reduction battery temperature rise.

Inventors

  • LI CHAOHUI

Assignees

  • 新余市金凌能源科技有限公司

Dates

Publication Date
20260508
Application Date
20250409

Claims (7)

  1. 1. The utility model provides a but angle of buckling's lithium cell tab structure which characterized in that includes: The lithium battery protection device comprises a protection shell (1), wherein a lithium battery (101) is arranged in the protection shell (1), a mounting plate (102) is arranged at the top of the protection shell (1), and a positive lug (103) and a negative lug (104) are arranged at the top of the lithium battery (101); The adjusting component is arranged in the mounting plate (102) and is used for adjusting the angles of the positive lug (103) and the negative lug (104), and comprises a rotating rod (301), a lug groove (302) and a gear b (403); The heat dissipation assembly is arranged in the protective shell (1) and used for reducing the temperature in the protective shell (1), and comprises a heat conduction plate (6), heat conduction columns (7) and a heat dissipation plate (703).
  2. 2. The lithium battery tab structure with the bending angle adjustable according to claim 1, wherein two storage grooves (2) are formed in the mounting plate (102), a protection barrel (201) is arranged at the top of the mounting plate (102), two mounting grooves (202) are formed in the protection barrel (201), and one ends of the positive tab (103) and the negative tab (104) sequentially penetrate through the corresponding storage grooves (2) and the corresponding mounting grooves (202) and extend to the surface of the mounting plate (102).
  3. 3. The lithium battery tab structure with the adjustable bending angle according to claim 2, wherein a turntable a (3) is arranged on one side of the mounting plate (102), a rotating rod (301) is connected on one side of the turntable a (3), two tab grooves (302) are formed in the rotating rod (301), and the positive tab (103) and the negative tab (104) are located in the corresponding tab grooves (302).
  4. 4. The lithium battery tab structure with the bending angle adjustable according to claim 3, wherein a gear groove (4) is formed in the protection barrel (201), one end of the rotating rod (301) penetrates through the gear groove (4) and is connected with a gear a (401), a control groove (402) is formed in the mounting plate (102), a gear b (403) is arranged in the control groove (402), two sides of the gear b (403) are rotatably connected with the control groove (402) through bearings, and the gear a (401) is in meshed connection with the gear b (403).
  5. 5. The lithium battery tab structure with adjustable bending angle according to claim 4, wherein a turntable b (5) is arranged on one side of the mounting plate (102), a connecting rod (504) is connected on one side of the turntable b (5), a push rod (501) is connected on one side of the connecting rod (504), teeth engaged and connected with the gear b (403) are arranged at one end of the push rod (501), a push rod groove (502) is formed in the mounting plate (102), a stop lever (503) is connected on one side of the mounting plate (102) through bearing rotation, and the bottom of the stop lever (503) is attached to the top of the connecting rod (504) and attached to the tail of the push rod (501).
  6. 6. The lithium battery tab structure with the bending angle adjustable according to claim 1, wherein two heat conducting plates (6) are arranged inside the protective shell (1), heat conducting silica gel (601) are arranged on one sides of the two heat conducting plates (6), and one side of the two heat conducting silica gel (601) is attached to one side of the lithium battery (101).
  7. 7. The lithium battery tab structure with the adjustable bending angle according to claim 6, wherein four heat conducting columns (7) are connected to one side of each of the two heat conducting plates (6), threaded holes (701) are formed in the four heat conducting columns (7), heat dissipation plates (703) are arranged on two sides of the protective shell (1), through holes corresponding to the threaded holes (701) are formed in the heat dissipation plates (703), bolts (702) are arranged in the through holes, and one ends of the bolts (702) penetrate through the corresponding through holes and are in threaded connection with the corresponding threaded holes (701).

Description

Lithium battery tab structure capable of adjusting bending angle Technical Field The utility model relates to the technical field of lithium batteries, in particular to a lithium battery tab structure with an adjustable bending angle. Background The lithium battery tab is a key conductive structure for connecting the internal electrode material of the battery core with an external circuit, and is usually made of metal foils (such as copper and aluminum), the positive tab and the negative tab respectively correspond to the positive aluminum foil and the nickel-plated copper foil, the design of the lithium battery tab directly influences the internal resistance, the safety and the quick charge performance of the battery, the conductive stability and the corrosion resistance are required to be ensured through a precise welding process, and the lithium battery tab is one of core components for high-efficiency charge and discharge of the battery. Because the assembly methods of different lithium batteries are different, the positions of two tabs are difficult to adjust simultaneously when the tabs of part of the lithium batteries are bent, so that the assembly efficiency of workers is influenced during assembly, and on the other hand, in order to avoid damage, a protective shell is often required to be additionally arranged when the lithium batteries are operated, but after the protective shell is additionally arranged, the heat emitted by the batteries is easy to lead out, and the service life of the batteries is damaged. Disclosure of utility model The utility model aims to solve the technical problem of providing the lithium battery tab structure with the bending angle adjustable, the positions of the positive electrode tab and the negative electrode tab can be adjusted through the adjusting component, the lithium battery tab structure is suitable for battery assembly scenes with different sizes or models, and the heat of the lithium battery can be conducted to the outside through the heat radiating component, so that the temperature rise of the battery is remarkably reduced. The technical problems to be solved by the utility model are realized by adopting the following technical scheme: The lithium battery tab structure capable of adjusting bending angles comprises a protective shell, a lithium battery is arranged in the protective shell, a mounting plate is arranged at the top of the protective shell, a positive tab and a negative tab are arranged at the top of the lithium battery, an adjusting component is arranged in the mounting plate and used for adjusting angles of the positive tab and the negative tab, the adjusting component comprises a rotating rod, a tab groove and a gear b, a heat radiating component is arranged in the protective shell and used for reducing the internal temperature of the protective shell, and the heat radiating component comprises a heat conducting plate, a heat conducting column and a heat radiating plate. Preferably, two storage tanks are formed in the mounting plate, a protection cylinder is arranged at the top of the mounting plate, two mounting tanks are formed in the protection cylinder, the positive lug and one end of the negative lug sequentially penetrate through the corresponding storage tanks and the mounting tanks and extend to the surface of the mounting plate, a rotary table a is arranged on one side of the mounting plate, a rotary rod is connected to one side of the rotary table a, two lug tanks are formed in the rotary rod, the positive lug and the negative lug are located in the corresponding lug tanks, a gear tank is formed in the protection cylinder, one end of the rotary rod penetrates through the gear tank and is connected with a gear a, a control tank is formed in the mounting plate, a gear b is arranged in the control tank, two sides of the gear b are in rotary connection with the control tank through bearings, the gear a is in meshed connection with the gear b, a connecting rod is connected to one side of the rotary table b, one end of the push rod is provided with a tooth in meshed connection with the gear b, the inside of the gear b is connected with the connecting rod, and the tail of the push rod is in a joint mode, and the tail of the push rod is connected with the tail of the mounting plate through the bearing. Preferably, the protective housing is inside to be provided with two heat conduction boards, two heat conduction board one side all is provided with heat conduction silica gel, two heat conduction silica gel one side with lithium cell one side is laminated mutually, two heat conduction board one side all is connected with four heat conduction posts, four the screw hole has all been seted up to the heat conduction post is inside, the protective housing both sides all are provided with the heating panel, set up on the heating panel with the through-hole that the screw hole corresponds, the inside bolt that is provided with of through-hole, bolt