Die-Cast Thermostatic Valve Body With Reinforcing Ribs
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Solution Overview
Problem
Current thermostatic valve manufacturing through profile machining faces challenges in achieving lightweight designs due to limitations in material removal, leading to increased weight and production costs.
Innovation Solution
The thermostatic valve is designed using die casting, allowing for the formation of a valve body with connecting tube portions, a mounting base portion, and reinforcing ribs, enabling lightweight design, reduced material waste, and cost savings by processing according to actual size requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If profile machining is used to manufacture the thermostatic valve, then the valve body can be produced with traditional processing methods, but the weight of the valve body cannot be reduced to a greater extent and material waste increases
Solution Approach 1:
The patent changes the manufacturing method from profile machining to die casting, which fundamentally alters the material removal parameter from subtractive to formative processing. This enables the valve body to be produced with minimal material waste while achieving the desired lightweight structure, as the die casting process forms the final shape directly from molten metal without requiring extensive material removal.
Solution Approach 2:
The die casting process performs preliminary shaping of the valve body during the casting itself, including the formation of connecting tube portions and mounting base portions in their final configurations. This preliminary action eliminates the need for subsequent heavy material removal operations that would otherwise be required to achieve the lightweight design, thereby reducing both material waste and final product weight.
2Weight of moving object
If die casting is used to form the valve body, then lightweight design and material savings are achieved, but the structural strength may be insufficient without additional reinforcement
Solution Approach 1:
The patent applies local quality by incorporating reinforcing ribs at specific locations within the die-casted valve body where structural strength is needed. These ribs are strategically positioned to reinforce critical areas such as the mounting base portions and connecting tube portions, providing localized strength enhancement without adding excessive weight throughout the entire valve body. This allows the valve to maintain lightweight design while meeting structural strength requirements.
3Ease of manufacture
If complex structures like connecting tube portions and mounting base portions are machined, then the valve can be assembled from processed parts, but the production cost and manufacturing difficulty increase
Solution Approach 1:
The patent merges multiple components (valve body, connecting tube portions, mounting base portions) into a single integrated die-casted structure. This combining of previously separate machined parts into one monolithic component significantly simplifies the manufacturing process by eliminating multiple machining operations, reducing assembly steps, and lowering production costs. The complex structures are formed directly during the die casting process, making manufacturing easier despite the structural complexity.
Data Source
AI summary
A thermostatic valve includes a valve body formed by die casting. The valve body includes: a valve main body forming a valve cavity; a plurality of connection tube portions; and installation base portions adjacent to the connection tube portions. Each of the connection tube portions includes a straight tube section connected to the valve main body. A reinforcement member is provided between the straight tube section of the connection tube portion and the installation base portion adjacent to the connection tube portion. The valve body is formed by die casting, and respective parts of the valve body can be processed according to actual size requirements with no redundant material, thereby realizing a light weight of the thermostatic valve. Providing the reinforcement member satisfies a strength requirement when using die casting.