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CN-224217593-U - Protective lithium battery shell and lithium battery

CN224217593UCN 224217593 UCN224217593 UCN 224217593UCN-224217593-U

Abstract

The utility model discloses a protective lithium battery shell and a lithium battery, which comprises a shell, wherein the shell comprises a shell, four outer side surfaces of the shell are respectively provided with a protection mechanism for damping and protecting the outer side surfaces, the protection mechanism is provided with a cross frame, the cross frame is provided with a damper, the utility model protects the four outer side surfaces of the shell through the protection mechanisms, when the outer side surfaces of the shell are collided, the protection machanism receives the impact at first to the impact that will receive is cushioned, makes the impact that is applyed on the casing effectively weakens, greatly reduced casing surface's striking degree, thereby makes the casing better to the protectiveness of battery, and the security is higher, and simultaneously lithium cell's top and bottom and side can obtain effectual vibrations buffering effect through the rubber pad on shock pad one and shock pad two and the casing inside wall, thereby possess better protective properties to lithium cell.

Inventors

  • MA QIPING

Assignees

  • 东莞市惠德科技有限公司

Dates

Publication Date
20260508
Application Date
20241231

Claims (6)

  1. 1. The protective lithium battery shell comprises a shell (1) and is characterized in that the shell (1) comprises a shell body (3), four outer side surfaces of the shell body (3) are provided with protective mechanisms (5) for damping and protecting the outer side surfaces, a cross frame (51) is arranged on the protective mechanisms (5), a damper (52) is arranged on the cross frame (51), a spring (53) is sleeved on an outer annular surface of one end of the damper (52), and one ends of the damper (52) and the spring (53) are fixedly connected with the outer side surfaces of the shell body (3).
  2. 2. The protective lithium battery shell according to claim 1, wherein the base (2) is arranged at the bottom of the shell (3), the cover plate (4) is arranged at the top of the shell (3), and electrode nuts and foldable carrying handles are arranged at two ends of the top of the cover plate (4).
  3. 3. The protective lithium battery shell according to claim 1, wherein dampers (52) are arranged at four vertexes and the center of the inner side surface of the cross frame (51), and the top and the bottom of the cross frame (51) are connected between the top of the base (2) and the bottom of the cover plate (4).
  4. 4. The protective lithium battery shell according to claim 3, wherein corner posts (31) are arranged at four corners of the inner side of the shell (3), threaded holes are formed in the tops of the corner posts (31), and a lithium battery (6) is arranged on the inner side of the shell (3).
  5. 5. A lithium battery comprises a protective lithium battery shell according to any one of claims 1-4, and is characterized in that electrode columns (61) are arranged at two ends of the top of the lithium battery (6), a second shock pad (62) is arranged at the bottom of each electrode column (61), right angle grooves matched with corner columns (31) in size are formed in four corners of the lithium battery (6), the lithium battery (6) is inserted into a shell (3) through the right angle grooves and aligned with the corner columns (31), the bottom of each second shock pad (62) is attached to the bottom of the inner side of the shell (3), and rubber pads are paved on the inner side wall of the shell (3).
  6. 6. The lithium battery of claim 5, wherein the top of the lithium battery (6) is provided with a sealing plate (32), a first shock pad (34) is arranged at the bottom of the sealing plate (32) and is attached to the top of the lithium battery (6), through holes (33) are formed in four corners of the top of the sealing plate (32), and the inner sides of the through holes (33) are connected with threaded holes in the top of the corner columns (31) in a threaded mode through bolts.

Description

Protective lithium battery shell and lithium battery Technical Field The utility model relates to the technical field of lithium battery shells, in particular to a protective lithium battery shell and a lithium battery. Background The lithium battery shell is an important component of the lithium battery, the lithium battery shell not only protects internal materials of the battery, but also increases the strength of the shell, ensures the safety and reliability of the battery, the structural design of the lithium battery shell needs to consider the tight combination and the tightness of the shell and internal components of the battery so as to ensure that the battery can normally work and is safe and reliable, the shell generally comprises a positive electrode shell, a negative electrode shell, a diaphragm and other parts, the manufacturing process of the lithium battery shell comprises a plurality of steps of cutting, stamping, welding, surface treatment and the like, the welding technology is a link of important attention, and the quality of the lithium battery shell directly influences the tightness of the shell and the performance of the battery. At present, the outside of lithium cell shell lacks protective structure design, and the lateral surface that leads to the casing easily produces deformation after the lateral surface of shell bumps, extrudees inside lithium cell, leads to the damage of battery. Therefore, a protective lithium battery case and a lithium battery are proposed to solve the above problems. Disclosure of utility model 1. Technical problem to be solved by the utility model Aiming at the defects of the prior art, the utility model aims to provide a protective lithium battery shell and a lithium battery, and aims to solve the problems that the outside of the lithium battery shell lacks a protective structure design in the prior art, the outer side of the shell is easy to deform after collision, and the inner lithium battery is extruded to cause damage of the battery. 2. Technical proposal In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides a protection type lithium battery shell and lithium battery, includes the shell, including the casing on the shell, all install the protection machanism that is used for the lateral surface to carry out shock attenuation protection on four lateral surfaces of casing, install the cross frame on the protection machanism, install the attenuator on the cross frame, the cover is established on the outer anchor ring of one end of attenuator and is installed the spring, the one end of attenuator and spring all carries out fixed connection with the lateral surface of casing. As a preferable scheme of the utility model, the bottom of the shell is provided with the base, the top of the shell is provided with the cover plate, and both ends of the top of the cover plate are provided with the electrode nuts and the foldable carrying handles. As a preferable scheme of the utility model, dampers are arranged at four vertexes and the center of the inner side surface of the cross frame, and the top and the bottom of the cross frame are connected between the top of the base and the bottom of the cover plate. As a preferable scheme of the utility model, corner posts are arranged at four corners of the inner side of the shell, threaded holes are formed in the tops of the corner posts, and a lithium battery is arranged on the inner side of the shell. As the preferable scheme of the utility model, the two ends of the top of the lithium battery are provided with the electrode columns, the bottom of the electrode column is provided with the second shock pad, the four corners of the lithium battery are provided with right angle grooves matched with the corner columns in size, the lithium battery is inserted into the shell through the right angle grooves aiming at the corner columns, the bottom of the second shock pad is attached to the bottom of the inner side of the shell, and the inner side wall of the shell is paved with the rubber pad. As the preferable scheme of the utility model, the top of the lithium battery is provided with the sealing plate, the bottom of the sealing plate is provided with the shock pad which is attached to the top of the lithium battery, the four corners of the top of the sealing plate are respectively provided with a through hole, and the inner sides of the through holes are connected with threaded holes at the tops of the corner posts in a threaded manner through bolts. 3. Advantageous effects Compared with the prior art, the utility model has the beneficial effects that: According to the utility model, the four outer side surfaces of the shell are protected through the protection mechanism, when the outer side surfaces on the shell are impacted, the protection mechanism is firstly impacted and buffers the impact, so that the impact applied to the shell is effec