Linear Guide End Cap With Tool-Free Lubrication Port Opening
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Solution Overview
Problem
Existing lubrication processes for linear guides require additional steps such as drilling or cutting to open lubrication ports, increasing effort and cost for initial lubrication.
Innovation Solution
A closed lubrication port for a carriage of a linear guide that can be opened tool-free by operatively connecting a lubrication fitting, utilizing mechanisms like a blind hole, threading, or protrusion to create a passage to the lubrication channel upon fitting connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional lubrication ports are used that require drilling or cutting to open, then the lubrication port remains sealed during storage and transport, but additional tools and steps are required to open the port for initial lubrication
Solution Approach 1:
The lubrication port is pre-configured with an opening mechanism during manufacturing that allows for easy opening during initial lubrication. The mechanism includes a breakable seal or plug that can be removed by inserting and rotating the lubrication fitting, eliminating the need for separate drilling or cutting tools while maintaining the sealed state during storage and transport.
2Ease of operation
If drilling or cutting is used to open the lubrication port, then the port can be opened, but additional tools are required and the process becomes more complex
Solution Approach 1:
The opening function is merged with the lubrication fitting itself. The fitting includes integrated features such as a rotation mechanism or breaking tool that combines the opening action with the lubrication delivery function, eliminating the need for separate drilling or cutting tools and simplifying the overall process.
Solution Approach 2:
The lubrication port structure includes self-contained opening features such as a breakable seal or plug that can be removed by the lubrication fitting itself without requiring external tools. The port structure provides its own opening mechanism through the interaction between the fitting and the port's built-in features.
3Ease of operation
If a closed lubrication port with opening mechanism is implemented, then tool-free opening is achieved, but the end cap structure becomes more complex
Solution Approach 1:
The end cap is designed as a modular structure with the lubrication port as a separate, pre-formed feature. The opening mechanism is integrated into the port structure itself rather than requiring separate components, allowing for tool-free opening while maintaining manufacturing efficiency through injection molding or similar processes that create the integrated features in a single operation.
Data Source
AI summary
An end cap for a carriage of a linear guide. The end cap has a closed lubrication port which is openable by operatively connecting a lubrication fitting to the lubrication port. The is formed by injection molding and the closed lubrication port of the end cap is formed by rotary demolding.