Fixture Structure with Spring-Loaded Locking Mechanism
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Solution Overview
Problem
Conventional fixtures for clamping wood workpieces are inconvenient due to the need to manually move and fix the second body to the actuation rod, making the operation cumbersome.
Innovation Solution
A fixture structure comprising a first body with a clamp and holding grip, an actuation rod, and a locking mechanism with release buttons, springs, and positioning sheets that allows easy connection and disconnection of the second body from the actuation rod, enabling quick and efficient clamping of workpieces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the second body is manually moved to two ends of the actuation rod and fixed, then the workpiece can be clamped, but the operation becomes inconvenient and time-consuming
Solution Approach 1:
The positioning sheet is designed to be dynamically movable between the accommodation groove (locked position) and the release position. The spring provides automatic return force, making the positioning sheet move from a static fixed component to a dynamic one that automatically responds to release button actuation, enabling quick transition between clamped and released states without manual intervention
Solution Approach 2:
The spring-loaded positioning sheet automatically returns to the accommodation groove after the release button is pressed, without requiring manual repositioning. The system serves itself by using the spring force to automatically reset the positioning mechanism, eliminating the need for operators to manually move the second body back to the actuation rod
2Ease of operation
If a locking mechanism with release buttons and springs is added, then the second body can be easily connected and disconnected, but the device complexity increases
Solution Approach 1:
The locking mechanism is segmented into independent functional components: the positioning sheet for engagement, the spring for providing force, and the release button for actuation. This segmentation allows each component to perform its specific function efficiently while maintaining overall simplicity, as each segment can be independently manufactured and assembled
Solution Approach 2:
The positioning sheet acts as an intermediary element between the second body and the actuation rod. Instead of directly connecting these components, the positioning sheet mediates the connection through the accommodation groove, providing a simple yet effective locking interface that reduces the complexity of direct mechanical coupling
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
Facilitates rapid and convenient clamping and unclamping of workpieces by allowing the second body to be easily connected and disconnected from the actuation rod, improving operational efficiency.
Implementation Method 1
a respective spring is located inside the respective release button, and a respective positioning sheet has a flat section and two upward tilted guide sections... the respective positioning sheet is located at the base and is urged by the respective spring to push the flat section to engage into the accommodation groove
Data Source
AI summary
A fixture structure contains: a first body, a second body, and an actuation rod. The first body includes a first clamp, a holding grip, a drive mechanism, and a press lever. The actuation rod includes two extensions. The second body includes a base, a second clamp, and an accommodation groove. A locking mechanism is disposed in the base and includes two release button, two springs, and two positioning sheets. A respective positioning sheet has a flat section, two upward tilted guide sections, and a through orifice. The respective positioning sheet is urged by the respective spring to push the flat section to engage into the accommodation groove. The respective release button has multiple posts aligned with the respective positioning sheet. When the respective release button is pressed, the multiple posts push the respective positioning sheet so that the flat section removes from the accommodation groove.