Composite Cell Pole Assembly With Rubber-Coated Fixing Ring

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Solution Overview

Problem

The assembly process for a composite terminal of a cell without a top cover is complex and costly due to the need for intricate assembly of components.

Innovation Solution

A method involving a fixing ring combined with a composite terminal using an encapsulation ring to form an integral terminal assembly, which is then mounted on an annular plate with a seal ring and protected by a lower plastic member, simplifying the assembly process and enhancing isolation and safety.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If a composite terminal is assembled in the annular plate using existing methods, then the cell achieves high energy density, but the assembly process becomes complex and costly

Engineering Contradiction:

Improveenergy densityVSAvoidassembly process complexity

Core Design Contradiction:

Use of energy by moving objectVSDevice complexity

Solution Approach 1:

The terminal assembly process is divided into distinct segments: first forming the terminal body within the annular plate, then separately installing the sealing ring and lower plastic member. This segmentation allows each component to be optimized and assembled independently, reducing overall complexity while maintaining high energy density

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The terminal body is preliminarily assembled and secured within the annular plate before the sealing and protective components are added. This preliminary positioning ensures proper alignment and simplifies subsequent assembly steps, reducing the overall complexity of the manufacturing process

Inventive Principle:

Principle #10Preliminary action

2Use of energy by moving object

If a composite terminal is assembled in the annular plate using existing methods, then the cell achieves high energy density, but the manufacturing cost increases

Engineering Contradiction:

Improveenergy densityVSAvoidmanufacturing cost

Core Design Contradiction:

Use of energy by moving objectVSEase of manufacture

Solution Approach 1:

Multiple functions are merged into integrated components: the sealing ring provides both sealing and structural support, while the lower plastic member combines protection and insulation functions. This merging reduces the number of separate parts and assembly operations, lowering manufacturing costs while maintaining high energy density

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The annular plate serves multiple purposes: it provides structural support, defines the terminal assembly area, and acts as a mounting base. This multi-functionality reduces the need for additional components, simplifying manufacturing and reducing costs while preserving energy density

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Ease of operation

If traditional terminal assembly methods are used, then the assembly process is simple, but isolation and safety are insufficient

Engineering Contradiction:

Improveassembly simplicityVSAvoidisolation and safety

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The sealing ring acts as an intermediary component between the terminal body and the annular plate, providing both isolation and secure mechanical connection. This intermediary element enhances safety and reliability while adding minimal complexity to the assembly process

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The lower plastic member functions as a flexible protective shell that wraps around the lower portion of the terminal assembly. This thin-film structure provides effective isolation and protection while maintaining assembly simplicity through a single-piece design

Inventive Principle:

Principle #30Flexible shells and thin films

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The method simplifies the assembly process, enhances isolation, and reduces costs by forming an independent component that is easy to assemble and cost-effective, while improving safety and structural strength.

Implementation Method 1

injecting an encapsulation material into the encapsulation area through the injection opening to form an encapsulation ring

Methodology Applied

Scientific EffectInjection molding:

Data Source

PatentEP4679616A1Method for assembling composite pole of cell without top cover

Publication Date: 2026.01.14 CHANGZHOU RED FAIRY PRECISION TECHNOLOGY CO LTD

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Figure 3~5

AI summary

The present application discloses a method for assembling a composite pole of a cell without a top cover. The method comprises the following assembly steps: 1) providing a fixing ring, arranging a composite pole in a fixing area in a penetrating mode, and enabling a rubber injection opening to be communicated with a rubber-coated area; 2) injecting rubber into the rubber-coated area through the rubber injection opening to form a rubber-coated ring, 3) providing an annular plate, inserting a pole fixing body into a mounting hole, the pole fixing body downwardly abutting against a sealing ring, and fixedly connecting the fixing ring to the annular plate; and 4) fixing a lower plastic member at the bottom of the annular plate. A fixing ring and a composite pole are integrated into one by means of a rubber-coated ring to form an independent component, i.e., a pole fixing body, and after the pole fixing body is mounted on an annular plate, the periphery of the pole fixing body is protected and isolated by means of a lower plastic member. The structure assembly mode is simple, and the costs are low. The problem of complex assembly in the process of assembling a composite pole of a cell without a top cover is solved.