Pressing Tool Mechanical Control Element for Pipe Connection
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Solution Overview
Problem
Existing pressing tools for pipe connections are prone to incorrect pressing due to vulnerable electronic components and improper guidance, leading to suboptimal fluid-tight connections and potential deformation of pipe fittings.
Innovation Solution
A pressing tool with two lever-like jaws and a passive, mechanical control element that blocks or releases the actuating device based on the position of the pressing jaws, ensuring correct alignment and preventing incorrect pressing by using a contact part and anchoring part with a spring element for preload and blocking functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If electronic sensors are used to check pressing operation quality, then measurement precision is improved, but device complexity and vulnerability increase
Solution Approach 1:
The patent replaces electronic sensors and control systems with a purely mechanical control element system. The control element with contact parts mechanically interacts with the actuating device to detect and control pressing jaw positions, eliminating vulnerable electronic components while maintaining the ability to verify correct positioning and pressing operation quality.
Solution Approach 2:
The mechanical control element system is self-actuating through the natural movement of pressing jaws. As the pressing jaws move between positions, the control element automatically engages or disengages from the actuating device, providing self-service position verification without requiring external electronic sensing or control systems.
2Ease of operation
If pressing tool allows free actuation, then ease of operation is improved, but reliability deteriorates due to incorrect pressing
Solution Approach 1:
The control element is positioned to preemptively block the actuating device before incorrect pressing can occur. When pressing jaws are in wrong positions, the control element proactively prevents actuation by mechanically blocking the actuating device, stopping potential errors before they happen rather than detecting them after the fact.
Solution Approach 2:
The control element acts as an intermediary between the actuating device and the pressing jaws. It mediates the actuation process by selectively transmitting or blocking actuating forces based on jaw position, ensuring that actuation only occurs when jaws are correctly positioned while maintaining ease of operation when conditions are right.
3Reliability
If control element blocks actuating device, then reliability is improved by preventing incorrect pressing, but ease of operation worsens due to additional constraints
Solution Approach 1:
The control element automatically adjusts its blocking state based on the natural position of the pressing jaws during operation. When jaws are correctly positioned, the control element self-actuates to release the block, allowing easy operation. When jaws are mispositioned, it maintains the block to prevent errors, making the constraint feel automatic rather than imposed.
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 tool ensures professional-grade pipe connections by preventing incorrect pressing and allowing only correct positioning of pipe sections or clamps, enhancing the quality and reliability of the pressing process while reducing user fatigue through controlled compression and easy handling.
Implementation Method 1
The control element has - at least to the extent that it blocks it under predetermined conditions or releases it for effective engagement with the actuating section of the tool - a contact part for contacting the actuating device, which is movably mounted relative to the actuating sections
Data Source
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AI summary
The present invention relates to a pressing tool (2) for pressing a pressing component, in particular a fitting or a pipe for pipe connection. The tool (2) comprises two lever-like pressing jaws (10, 20) which are pivotably mounted between a receiving position and a pressing position for pressing purposes and each has a pressing section (12, 22) and an actuating section (14, 24). In the receiving position, the pressing sections (12, 22) form a pressing recess (30) for the pressing component, such that when the pressing sections (12, 22) pivot from the receiving position through a minimum closing position into the pressing position, they predeterminely press the pressing component received in the pressing recess (30). At least one of the actuating sections (14, 24) is designed to be actuated by an actuating device.The pressing tool (2) further comprises a control element (40) which blocks the actuating device as long as the pressing jaws (10, 20) assume a position which lies between the receiving position and the minimum closing position.