Temperature-Control Valve Assembly With Non-Disengageable Blocking
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Solution Overview
Problem
Conventional temperature-controlling valves face issues with the blocking member causing deformation of the adjusting member's inner wall, leading to disengagement and malfunction over long-term use.
Innovation Solution
A temperature-controlling valve assembly is designed with a blocking member that is axially blocked by a projection in the receiving hole, preventing disengagement and ensuring smooth operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a blocking member is inserted through tight fit to prevent disengagement, then the blocking member can block the abutting member effectively, but the inner wall of the adjusting member becomes deformed and the blocking member disengages after long-term use
Solution Approach 1:
A projection is introduced as an intermediary structure on the blocking member that engages with a corresponding recess in the adjusting member. This mediator transfers the blocking function from direct tight-fit contact to a structured mechanical interlock, preventing both disengagement and wall deformation.
Solution Approach 2:
The blocking member is segmented into distinct functional zones: a projection for engagement, a body for structural support, and a positioning feature for precise location. This segmentation allows each part to perform its specific function without compromising the overall system stability.
2Reliability
If a blocking member is inserted through tight fit to prevent disengagement, then the abutting member can be blocked from separation, but the abutting member becomes difficult to slide smoothly after long-term use
Solution Approach 1:
The projection acts as an intermediary that provides blocking functionality without direct frictional contact between the blocking member and the adjusting member walls. This eliminates the source of friction that would impede sliding motion while maintaining effective blocking.
Solution Approach 2:
The tight-fit mechanical contact system is replaced with a projection-based mechanical interlock system. This substitution eliminates continuous frictional contact while maintaining the blocking function, thereby preserving sliding smoothness.
3Reliability
If a projection is added to block the blocking member axially, then the blocking member becomes non-disengageable, but the structure becomes more complex
Solution Approach 1:
The projection is merged with the blocking member as an integrated feature rather than a separate component. This combining approach achieves the non-disengageable blocking function while avoiding the complexity of additional parts, assemblies, or fastening mechanisms.
Solution Approach 2:
The projection is a localized feature on the blocking member that provides the specific blocking function only where needed. This local addition maintains the simplicity of the overall structure while achieving the desired reliability enhancement at the critical location.
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 solution provides a stable and non-disengageable blocking mechanism, maintaining the valve's functionality and preventing deformation of the inner wall, thus ensuring long-term reliability.
Implementation Method 1
a first elastic member, abutted between a bottom of the receiving hole and the abutting member to bias the abutting member toward a direction away from the controlling portion
Data Source
AI summary
A temperature-controlling valve assembly is provided, including: an adjusting member, configured to be screwed within a base of a controlling valve, an end of the adjusting member including a controlling portion, another end of the adjusting member including a receiving hole; an abutting member, slidably disposed in the receiving hole; a first elastic member, abutted between a bottom of the receiving hole and the abutting member to bias the abutting member toward a direction away from the controlling portion; and a blocking member, disposed in the receiving hole, a projection radially projecting inwardly around a periphery of the receiving hole, the blocking member being axially blocked by the projection so that the blocking member is non-disengageable from the receiving hole and the abutting member is blocked by the blocking member and non-disengageable from the receiving hole.