Connecting Rod Assembly Work Head Extraction Mechanism
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Solution Overview
Problem
Conventional connecting rod assemblies lack a mechanism to easily pull out the work head, especially when it is inserted deeply, due to the small exposed area making it difficult for users to grip and remove.
Innovation Solution
The connecting rod assembly incorporates an inner spring, link, magnet, balls, positioning member, outer spring, sleeve, and annular member to push the work head outward, allowing more exposure and facilitating its removal by compressing and decompressing springs and balls to disengage and re-engage in specific grooves and spaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the work head is inserted deeply into the connecting rod assembly, then the connection stability is improved, but the exposed area of the work head becomes too small for users to grip and pull it out
Solution Approach 1:
The patent introduces an intermediary mechanism consisting of a pushing member, spring, and groove system that acts as a mediator between the user's pulling force and the work head. When the user pulls the connecting rod, the pushing member slides along the groove and pushes the work head outward, providing sufficient gripping surface area for easy removal without compromising deep insertion stability
2Loss of time
If a quick release unit with a sleeve is provided, then the work head can be quickly replaced, but the work head still cannot be easily pulled out when inserted deeply due to insufficient exposed area
Solution Approach 1:
The pushing member acts as an intermediary that translates the user's pulling action on the connecting rod into an outward pushing force on the work head. This intermediary mechanism ensures that even when the work head is deeply inserted, the user can easily pull it out through the groove-guided pushing action, maintaining quick replacement capability
Solution Approach 2:
The patent introduces a new dimensional aspect to the removal mechanism by using a groove-shaped structure that guides the pushing member's linear motion. This transforms the removal action from a direct pull on a small exposed surface to a guided linear push along a groove, providing mechanical advantage and sufficient effective gripping area
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
This design enables easier extraction of the work head by increasing the exposed area, allowing users to grip and pull it out more effectively, while maintaining the rod's operational position when a new head is inserted.
Implementation Method 1
an inner spring (31) mounted on the rod (20) and pressed against the engaging portion (21)
Implementation Method 2
a magnet (50) disposed in the axial inner space (11) to position the work head (91)
Data Source
AI summary
A connecting rod assembly is capable of pushing the work head outward to allow more of the part of the work head to be exposed out of the connecting rod assembly, making it easier for the user to pull out the work head, thus solving the problem that it is difficult to pull the work head out of the conventional connecting rod structure since the conventional connecting rod structure doesn't have any function or devices to move the work head outwards.