Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Secondary battery, top cover assembly and assembly method thereof

A secondary battery and assembly method technology, which is applied in the directions of battery pack parts, secondary battery manufacturing, battery cover/end cover, etc., can solve the difficulty of size control and surface indentation, the difficulty of controlling the size of the top cover, and the size of the top cover. Instability and other problems, to achieve the effect of facilitating size control, avoiding difficulty in size control, and reducing process costs

Active Publication Date: 2021-04-13
兰钧新能源科技有限公司
View PDF7 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing top cover structure of the secondary battery is mainly divided into riveted structure and injection molding structure. The riveted top cover has the difficulty of dimension control and surface indentation due to the riveting process, and the injection molded top cover has dimension instability caused by thermal processing. The problem of insufficient filling makes it difficult to control the size of the top cover and the defect of high process cost

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Secondary battery, top cover assembly and assembly method thereof
  • Secondary battery, top cover assembly and assembly method thereof
  • Secondary battery, top cover assembly and assembly method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0050] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0051] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

Embodiments of the present invention provide a secondary battery, a top cover assembly and an assembly method thereof, relating to the field. The top cover assembly includes a pole, an upper plastic, a sealing ring, a top cover sheet, an insulating gasket, a fixing ring and a lower plastic. The sealing ring is sleeved on the circumference of the pole, the insulating gasket is connected with the fixed ring, and the upper plastic is connected with the top cover. The top cover sheet is provided with a pole hole, and the pole, sealing ring, insulating gasket and fixing ring are all assembled in the pole hole, and the sealing ring abuts between the pole and the hole wall of the pole hole. The fixing ring is fixedly connected with the top cover sheet, the insulating gasket is located between the pole and the fixing ring, and the two ends of the sealing ring are respectively connected with the upper plastic and the insulating gasket. The lower plastic is connected with the insulating gasket, and the pole is used for connecting with the cell of the secondary battery. The parts of the top cover assembly provided by the embodiments of the present invention have good versatility, are easy to manufacture, and are beneficial to improving production efficiency.

Description

technical field [0001] The invention relates to the field of secondary batteries, in particular to a secondary battery, a top cover assembly and an assembly method thereof. Background technique [0002] The existing top cover structure of the secondary battery is mainly divided into riveted structure and injection molding structure. The riveted top cover has the difficulty of dimension control and surface indentation due to the riveting process, and the injection molded top cover has dimension instability caused by thermal processing. The problem of insufficient filling makes it difficult to control the size of the top cover and the defect of high process cost. Contents of the invention [0003] The object of the present invention is to provide a secondary battery, a top cover assembly and an assembly method thereof, which can be easily manufactured and help improve production efficiency. [0004] Embodiments of the present invention are achieved like this: [0005] In t...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H01M50/271H01M50/258H01M50/183H01M50/188H01M10/04
CPCH01M10/0404Y02P70/50
Inventor 张五堂何金磊
Owner 兰钧新能源科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com