Pin Bracket Valve Assembly Lever Alignment
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Solution Overview
Problem
Existing valve and lever designs in fluid flow control systems face challenges in achieving precise positional and operational control, particularly in transmission control systems, where the lever alignment with the valve is not adequately centered, leading to inefficient operation and potential material wastage due to the need for sturdy valve shafts.
Innovation Solution
A pin bracket and valve assembly design featuring a valve head with through-apertures and a bore, along with a pin bracket including cover panels and rotatable pins, allows for improved lever alignment and operational control by minimizing direct contact between the lever and the valve shaft, enabling the use of less sturdy materials like aluminum for the valve shaft.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the lever directly contacts the valve shaft for operational control, then the operational control is achieved, but the valve shaft requires sturdy materials (like steel) which increases cost and weight
Solution Approach 1:
A pin bracket assembly is introduced as an intermediary component between the lever and the valve shaft. The pin bracket includes a body with a slot and a pin that extends through the slot, allowing the lever to contact the pin rather than directly contacting the valve shaft. This intermediary structure enables the valve shaft to be made from lighter, less expensive materials while maintaining operational control capability.
2Measurement precision
If the lever directly contacts the valve shaft, then operational control is achieved, but precise positional control and center-alignment are difficult to achieve
Solution Approach 1:
The pin bracket assembly serves as a mediator that provides both precise alignment and operational control. The slot in the pin bracket body allows for adjustable positioning, while the pin provides a precise contact point for the lever. This intermediary structure enables accurate center-alignment and positional control while maintaining ease of operation through the lever's interaction with the pin.
Solution Approach 2:
The pin bracket assembly introduces dynamic adjustability through the slot, which allows the pin position to be adjusted along the slot length. This dynamic positioning capability enables precise center-alignment and operational control to be optimized for different operating conditions, resolving the contradiction between precision and ease of operation.
3Adaptability or versatility
If a pin bracket with rotatable pins is used, then flexibility and adaptability are improved, but device complexity increases
Solution Approach 1:
The pin bracket incorporates rotatable pins that can rotate about grooves in the pin bracket body. This dynamic feature provides flexibility and adaptability, allowing the pins to self-adjust to different lever positions and operating conditions. The rotational capability is achieved through simple groove features rather than complex mechanisms, maintaining relative simplicity while enhancing versatility.
Data Source
AI summary
The present invention in one or more embodiments provides a valve assembly which includes a valve shaft, and a valve head extending from the valve shaft, wherein the valve head defines first and second through-apertures extending along a width direction and a slot extending along a height direction, a longitudinal cross-section of the first and second through-apertures being partially received within the slot.