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CN-224204277-U - Battery pack and battery pack

CN224204277UCN 224204277 UCN224204277 UCN 224204277UCN-224204277-U

Abstract

The utility model provides a battery pack and a battery pack, comprising a box body, a supporting structure, an output electrode supporting seat and an output electrode connecting structure, wherein the supporting structure is arranged at the outer side wall of the box body in pairs, two ends of the output electrode supporting seat are respectively supported and arranged on the two supporting structures, a first sub-connecting piece of the output electrode connecting structure is connected with guide plates positioned at the edges of the end parts of a plurality of electric cores, and a second sub-connecting piece of the output electrode connecting structure is bent at one side of a notch of a containing groove and is connected with the output electrode supporting seat. The utility model solves the problems that in the prior art, the assembly holes are directly formed on the box body, and under the vibration working condition, the copper bars between the adjacent modules, the fixed columns of the output electrode supporting seat and the output electrode connecting structure generate shearing force due to the vibration of the modules, so that the guide vane or the battery core electrode column connected with the output electrode connecting structure is damaged, and the working reliability and the service life of the battery pack are affected.

Inventors

  • ZHAO CHENG
  • LI YE
  • LI WENLONG
  • YU CHEN
  • LIU SI
  • CAO HUI

Assignees

  • 上海瑞浦青创新能源有限公司
  • 瑞浦兰钧能源股份有限公司

Dates

Publication Date
20260505
Application Date
20250328

Claims (10)

  1. 1. A battery pack, comprising: The battery pack comprises a box body (10), wherein the box body (10) is provided with a containing groove (11), and the containing groove (11) is used for containing a plurality of battery cells (20); -a support structure (30), the support structures (30) being arranged in pairs at the outer side walls of the tank (10); The two ends of the output electrode supporting seat (40) are respectively supported and arranged on the two supporting structures (30) so that the output electrode supporting seat (40) is arranged at a distance from the outer side wall of the box body (10); Output utmost point connection structure (50), the first sub-connection piece (51) of output utmost point connection structure (50) with be located a plurality of guide vane (60) of the tip edge department of electric core (20) are connected, the second sub-connection piece (52) of output utmost point connection structure (50) with first sub-connection piece (51) are connected, just second sub-connection piece (52) deviate from notch one side of holding tank (11) is bent and is connected with output utmost point supporting seat (40).
  2. 2. The battery pack of claim 1, wherein the battery pack comprises a plurality of cells, The support structure (30) is welded to the tank (10) and/or, The output pole support (40) is detachably connected with the support structure (30).
  3. 3. The battery pack of claim 1, wherein the battery pack comprises a plurality of cells, The supporting structure (30) is arched, and a first assembly hole (31) is formed in the supporting structure (30); The output electrode supporting seat (40) is provided with a second assembling hole (41) at a position opposite to the first assembling hole (31); The battery pack further comprises a first fastener which sequentially passes through the second assembly hole (41) and the first assembly hole (31) to connect the output electrode support base (40) with the support structure (30).
  4. 4. A battery according to claim 3, wherein the support structure (30) comprises: the two ends of the arch body (32) are supported and arranged at the outer side wall of the box body (10); The supporting column (33) is arranged on the surface of the arched body (32) facing to one side of the box body (10), and one end of the supporting column (33) facing away from the arched body (32) is connected with the box body (10); the first assembly hole (31) penetrates through the arch body (32) and extends into the support column (33).
  5. 5. The battery pack of claim 3, wherein the battery pack comprises a plurality of cells, The outer peripheral surface of the first fastener is provided with a first external thread structure; The wall surface of the first fitting hole (31) is provided with a first internal thread structure for being matched with the first external thread structure, and/or, The hole wall surface of the second assembly hole (41) is provided with a second internal thread structure which is used for being matched with the first external thread structure.
  6. 6. The battery pack of claim 5, wherein the battery pack comprises a plurality of cells, The first assembly hole (31) is a circular hole; The second assembly hole (41) is a conical hole, a small port of the conical hole is arranged towards one side of the supporting structure (30), and a large port of the conical hole is arranged away from one side of the supporting structure (30); the first fastener is a countersunk head screw, and the countersunk head screw is accommodated in the conical hole.
  7. 7. The battery pack of claim 6, wherein the battery pack comprises a plurality of cells, The second sub connecting piece (52) is provided with a third assembly hole (521); The output pole support base (40) includes: A pole base body (42), wherein a fourth assembly hole (421) is formed at a position of the pole base body (42) opposite to the third assembly hole (521); The lug structures (43) are arranged on two sides of the pole base body (42) in pairs, and each lug structure (43) is provided with the second assembly hole (41); the battery pack further includes: And the second fastening piece sequentially passes through the fourth assembly hole (421) and the third assembly hole (521) to connect the output electrode connecting structure (50) and the output electrode supporting seat (40).
  8. 8. The battery pack of claim 7, wherein the battery pack comprises a plurality of cells, The partial surface of the pole base body (42) facing away from one side of the supporting structure (30) is recessed to form a containing and sinking table (422), the containing and sinking table (422) is used for containing at least part of the second sub-connecting sheet (52), and/or, The thickness of the pole base body (42) is greater than the thickness of the lug structure (43).
  9. 9. The battery pack of claim 7, wherein the battery pack comprises a plurality of cells, The third assembly hole (521) is a waist-shaped hole, and the length direction of the waist-shaped hole extends along the direction from the notch of the accommodating groove (11) to the bottom of the groove; The fourth assembly hole (421) is a circular hole, and the second fastener is a bolt.
  10. 10. A battery pack comprising a plurality of battery packs, the battery packs being the battery packs according to any one of claims 1 to 9.

Description

Battery pack and battery pack Technical Field The utility model relates to the technical field of batteries, in particular to a battery pack and a battery pack. Background In the prior art, in the scheme that an output electrode supporting seat is arranged on the side face of a module, referring to a patent CN 217387451U, an assembly hole is formed in the side face of a box body of the module, the output electrode supporting seat is fixedly arranged on the assembly hole through a bolt to fix the output electrode supporting seat and the module, a fixing column is arranged on the output electrode supporting seat, one end of an output electrode connecting structure of the module is used for being connected with a guide vane connected with a battery core or being connected with a pole column of an end battery core, a through hole is arranged at the other end of the output electrode connecting structure, and when the output electrode supporting seat is installed, the through hole on the output electrode connecting structure penetrates through the fixing column to fix the output electrode connecting structure and the output electrode supporting seat. Based on this, under vibration operating mode, copper bar, the fixed column of output utmost point supporting seat and the output utmost point connection structure between the adjacent module produce the shearing force because of the vibration of module, and then lead to the damage with guide vane or electric core utmost point post that output utmost point connection structure is connected, influence the operational reliability and the life of group battery. Disclosure of utility model The utility model mainly aims to provide a battery pack and a battery pack, which are used for solving the problems that in the prior art, the battery pack is provided with assembly holes directly on a box body, and under the vibration working condition, the copper bars between adjacent modules, the fixed columns of an output electrode supporting seat and an output electrode connecting structure generate shearing force due to the vibration of the modules, so that a guide vane or a battery core electrode column connected with the output electrode connecting structure is damaged, and the working reliability and the service life of the battery pack are affected. In order to achieve the above purpose, the utility model provides a battery pack, which comprises a box body, a supporting structure, an output electrode supporting seat and an output electrode connecting structure, wherein the box body is provided with a containing groove for containing a plurality of electric cores, the supporting structures are arranged on the outer side wall of the box body in pairs, two ends of the output electrode supporting seat are respectively supported and arranged on the two supporting structures so that the output electrode supporting seat and the outer side wall of the box body are arranged at a distance, a first sub-connecting piece of the output electrode connecting structure is connected with guide plates positioned at the edges of the end parts of the electric cores, a second sub-connecting piece of the output electrode connecting structure is connected with the first sub-connecting piece, and one side of a notch of the second sub-connecting piece, which is away from the containing groove, is bent and connected with the output electrode supporting seat. In one exemplary embodiment, the support structure is welded to the housing and/or the output pole support mount is removably connected to the support structure. In one exemplary embodiment, the support structure is arched, a first assembly hole is formed in the support structure, a second assembly hole is formed in a position, opposite to the first assembly hole, of the output electrode support base, and the battery pack further comprises a first fastening piece, wherein the first fastening piece sequentially penetrates through the second assembly hole and the first assembly hole to connect the output electrode support base with the support structure. In one exemplary embodiment, the support structure comprises an arch body and support columns, wherein two ends of the arch body are supported and arranged at the outer side wall of the box body, the support columns are arranged on the surface of one side of the arch body facing the box body, one ends of the support columns, which are away from the arch body, are connected with the box body, and the first assembly holes penetrate through the arch body and extend into the support columns. In one exemplary embodiment, the outer peripheral surface of the first fastener has a first external thread structure, the bore wall of the first assembly bore has a first internal thread structure for mating with the first external thread structure, and/or the bore wall of the second assembly bore has a second internal thread structure for mating with the first external thread structure. In one exemplary embodiment,