CN-122025979-A - Battery and vehicle

CN122025979ACN 122025979 ACN122025979 ACN 122025979ACN-122025979-A

Abstract

The application discloses a battery and a vehicle, the battery comprises a box body provided with a containing cavity, a battery core arranged in the containing cavity, an expansion beam arranged in the box body and integrally formed with the box body, wherein the side face of the expansion beam facing the battery core is a drawing die face which is arranged at an angle with the bottom wall of the containing cavity, a wedge-shaped plate is arranged between the expansion beam and the battery core, the wedge-shaped plate is provided with a first side face and a second side face which are opposite in the thickness direction, the first side face faces the battery core and is perpendicular to the bottom wall of the containing cavity, and the second side face is parallel to and attached to the drawing die face. Through the cooperation structure of wedge plate and drawing die face, need not to carry out machining to the expansion beam and handle, can satisfy the perpendicular requirement of electric core installation face, saved the cutting process of high degree of difficulty, long time, avoided vibration, broken sword, step that appear in the course of working remain and artifical back gouging scheduling problem, when guaranteeing battery stability in use and structural strength, reduce processing cost, shorten production time, improve battery production efficiency, promote the product yield simultaneously.

Inventors

HUANG HONGBO
REN JIAOJIAO
ZHAI LIMING
ZHANG XINTAO
WANG ZEZHONG

Assignees

东风汽车集团股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260226

Claims (10)

1. A battery, comprising: The box body is provided with a containing cavity; The battery cell is arranged in the accommodating cavity; the expansion beam is arranged in the accommodating cavity and integrally formed with the box body, the side surface of the expansion beam, which faces the battery cell, is a die drawing surface, and the die drawing surface is arranged at an angle with the bottom wall of the accommodating cavity; the wedge-shaped plate is arranged between the expansion beam and the electric core, the wedge-shaped plate is provided with a first side face and a second side face which are opposite to each other in the thickness direction of the wedge-shaped plate, the first side face faces the electric core and is perpendicular to the bottom wall of the accommodating cavity, and the second side face is parallel to and attached to the drawing die face.
2. The battery according to claim 1, wherein the die drawing surface includes a plurality of die drawing inclined surfaces sequentially connected in a height direction thereof, and angles between the plurality of inclined surfaces and the bottom wall of the accommodating chamber sequentially increase in a direction away from the bottom wall of the accommodating chamber.
3. The battery of claim 2, wherein the draft face comprises three draft ramps.
4. A battery according to claim 3, wherein three of the draft inclined surfaces are a root inclined surface, a middle inclined surface and an upper inclined surface, respectively, in a direction away from the bottom wall of the housing chamber, the root inclined surface having an angle of 86 ° to 88 °, the middle inclined surface having an angle of 88 ° to 88.5 °, and the upper inclined surface having an angle of 88.5 ° to 89 °.
5. The battery according to claim 2, wherein the wedge plate is provided with a glue storage groove at one side of the second side surface, glue is arranged in the glue storage groove, and the wedge plate passes through the glue and the expansion Liang Nianjie.
6. The battery of claim 5, wherein the second side surface comprises a plurality of matching inclined surfaces corresponding to the drawing inclined surfaces one by one, and the glue storage groove is arranged at the joint of the adjacent matching inclined surfaces.
7. The battery according to any one of claims 1 to 6, wherein an end of the wedge plate, which is away from the bottom wall of the accommodating chamber, is provided with a clamping groove, and an end of the expansion beam, which is away from the bottom wall of the accommodating chamber, is embedded in the clamping groove.
8. The cell defined in any one of claims 1-6, wherein the wedge plate has a length that is the same as a length of the expansion beam.
9. The battery of any of claims 1-6, further comprising a buffer plate, wherein the buffer plate is disposed between the wedge plate and the cells.
10. A vehicle comprising a battery as claimed in any one of claims 1 to 9 for providing electrical energy to the vehicle.

Description

Battery and vehicle Technical Field The application belongs to the technical field of batteries, and particularly relates to a battery and a vehicle. Background With the rapid development of new energy automobiles, the integration is a strong demand for improving the productivity of whole factories for reducing the number of manufactured parts and improving the production efficiency. The integrated battery power and the torsional rigidity of the whole vehicle are improved, and the safety of the battery is improved, but in the die casting forming process, a drawing angle is designed on the battery structure to ensure that the die is smoothly taken out, and the reliability is poor when the battery core expands. Disclosure of Invention The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides the battery and the vehicle, which can effectively compensate the draft angle on the battery structure, improve the reliability of the battery and have simple manufacturing and processing. In a first aspect, the present application provides a battery comprising: The box body is provided with a containing cavity; The battery cell is arranged in the accommodating cavity; the expansion beam is arranged in the accommodating cavity and integrally formed with the box body, the side surface of the expansion beam facing the battery cell is a die drawing surface, and the die drawing surface is arranged at an angle with the bottom wall of the accommodating cavity; the wedge-shaped plate is arranged between the expansion beam and the battery cell, the wedge-shaped plate is provided with a first side surface and a second side surface which are opposite in thickness direction, the first side surface faces the battery cell and is perpendicular to the bottom wall of the accommodating cavity, and the second side surface is parallel to and attached to the drawing die surface. According to the battery, through the matched structure of the wedge plate and the drawing die surface, the vertical requirement of the mounting surface of the battery core can be met without machining the expansion beam, the cutting machining procedures of high difficulty and long work are omitted, the problems of vibration, cutter breakage, step residue, manual back chipping and the like in the machining process are avoided, the use stability and the structural strength of the battery are ensured, the machining cost is greatly reduced, the single-piece production time is shortened, the overall production efficiency of the battery is improved, and the product yield is improved. According to one embodiment of the application, the drawing die surface comprises a plurality of drawing die inclined planes which are sequentially connected along the height direction, and the included angles between the inclined planes and the bottom wall of the accommodating cavity are sequentially increased along the direction away from the bottom wall of the accommodating cavity. According to one embodiment of the application, the draft face comprises three draft ramps. According to one embodiment of the application, the three draft slopes are a root slope, a middle slope and an upper slope, respectively, in a direction away from the bottom wall of the receiving cavity, the root slope having an angle of 86 ° -88 °, the middle slope having an angle of 88 ° -88.5 °, and the upper slope having an angle of 88.5 ° -89 ° with the bottom wall of the receiving cavity. According to one embodiment of the application, the wedge-shaped plate is provided with a glue storage groove at one side of the second side surface, glue is arranged in the glue storage groove, and the wedge-shaped plate passes through the glue and expands Liang Nianjie. According to one embodiment of the application, the second side surface comprises a plurality of matching inclined surfaces which are in one-to-one correspondence with the plurality of pattern drawing inclined surfaces, and the joint of the adjacent matching inclined surfaces is provided with a glue storage groove. According to one embodiment of the application, the end of the wedge-shaped plate, which is far away from the bottom wall of the accommodating cavity, is provided with a clamping groove, and the end of the expansion beam, which is far away from the bottom wall of the accommodating cavity, is embedded into the clamping groove. According to one embodiment of the application, the wedge plate has the same length as the expansion beam. According to one embodiment of the application, the battery further comprises a buffer plate, and the buffer plate is arranged between the wedge plate and the battery cell. In a second aspect, the present application provides a vehicle comprising a battery according to any one of the first aspects, the battery being arranged to provide electrical energy to the vehicle. The beneficial effects of the vehicle provided by the second aspect of the pre