ISOFIX Telescopic Mechanism for Simplified Sleeve Assembly
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Solution Overview
Problem
Existing ISOFIX systems for child safety seats face challenges with complex assembly due to the need for precise alignment and assembly of multiple components, leading to inconvenience and potential disassembly issues.
Innovation Solution
An ISOFIX telescopic mechanism featuring an outer sleeve with a first chute and an inner sleeve with a bulge projecting from the first chute, allowing for easy assembly by inserting the inner sleeve first, and a second limiting mechanism on the outer sleeve to prevent disassembly, along with a connecting rod through a second chute for simplified mounting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the outer telescopic tube is made as a split type to facilitate mounting of the connecting rod and stopper, then the ease of manufacture is improved, but the device complexity increases
Solution Approach 1:
The outer telescopic tube is divided into two halves that can be separated for assembly purposes. The connecting rod and stopper are installed in the inner telescopic tube first, then the two halves of the outer telescopic tube are assembled around it and fixed together, enabling easy mounting of components without requiring the tube to be fully disassembled
Solution Approach 2:
The inner telescopic tube with the connecting rod and stopper is nested within the outer telescopic tube halves during assembly. This nested arrangement allows the components to be pre-assembled in the inner tube and then integrated into the outer tube structure, simplifying the overall assembly process
2Strength
If the guide recess ends are closed to provide structural integrity, then the strength is improved, but the ease of operation deteriorates due to alignment requirements during assembly
Solution Approach 1:
The connecting rod and stopper are pre-installed in the inner telescopic tube before the tube is inserted into the outer telescopic tube. This preliminary assembly ensures proper positioning of components and eliminates the need for complex alignment operations during the final assembly step, as the inner tube with pre-installed components is simply inserted into the outer tube halves
Data Source
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AI summary
The present application discloses an international standards organization FIX (ISOFIX) telescopic mechanism and a safety seat, and relates to the technical field of safety seats. The ISOFIX telescopic mechanism includes an outer sleeve and an inner sleeve, where the inner sleeve is adapted to slide relative to the outer sleeve, the inner sleeve is provided with a first limiting mechanism, the outer sleeve is provided with a first chute, the first chute extends to a first end face of the outer sleeve, the first limiting mechanism includes a bulge projecting out of the first chute, and the outer sleeve is provided with a second limiting mechanism adapted to abut against the bulge. The safety seat includes the ISOFIX telescopic mechanism. The advantages of a simple limiting structure and convenient assembly of the inner sleeve and the outer sleeve are achieved.