Control Valve Filter Frame With Lateral Engagement Claws
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Solution Overview
Problem
Existing control valve filter devices often have reduced effective areas due to engagement mechanisms that narrow the frame body openings, potentially leading to incomplete fluid flow and increased risk of foreign matter intrusion.
Innovation Solution
A control valve filter device with a belt-like frame body that expands into a C-shaped ring, featuring engagement claws and concave portions at its ends, allowing for attachment without narrowing the openings and maintaining a large effective filter area, even when rotated or deviated.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a hook part is provided at one end of the frame body to engage with a rod at the other end, then the filter can be attached to the control valve without disconnection, but the window part is narrowed and the effective area of the mesh member is reduced
Solution Approach 1:
The engagement claw is positioned at the lateral portion of the frame body end rather than at the end face, utilizing the lateral dimension for engagement. This spatial reconfiguration allows the engagement mechanism to operate in a different dimension, preventing it from intruding into the window part and thereby preserving the filter's effective area while maintaining attachment reliability.
Solution Approach 2:
A dedicated engagement claw structure serves as an intermediary element between the frame body and the control valve. This specialized component is specifically designed to provide the attachment function without interfering with the filter's filtering function, allowing both attachment reliability and effective area to be optimized simultaneously.
2Reliability
If the hook part has a large width corresponding to the distance between ring frames, then engagement is achieved, but the window part is further narrowed when engaged
Solution Approach 1:
The engagement function is transferred from the end face dimension to the lateral dimension. The engagement claw extends from the lateral portion of the frame body end, utilizing the lateral space that would otherwise be unused. This dimensional shift allows engagement stability to be achieved without consuming the window part area, as the engagement mechanism operates in the lateral dimension rather than the radial dimension.
Solution Approach 2:
The frame body end is functionally segmented into different zones: the window part for filtering and the lateral portion for engagement. This segmentation allows each part to perform its dedicated function without interfering with the other, enabling the window part to maintain its full opening area while the lateral portion provides the engagement function.
Data Source
AI summary
One embodiment provides a control valve filter device, including: a belt-like frame body curved into a ring shape so that its ends face each other, the frame body having an opening; a filter member provided in the opening of the frame body; an engagement claw extended from one of each of both corresponding lateral portions of the faced ends of the frame body; and a concave portion provided at the other of each of the both corresponding lateral portions of the faced ends of the frame body, so as to be engaged by the engagement claw, each concave portion being formed laterally of the opening of the frame body.