Segmented Threaded Nut for Tight-Space Faucet Locking
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Solution Overview
Problem
Existing kitchen faucets face challenges with limited space under countertops, leading to time-consuming and laborious screwing operations due to the small space for locking, and quick assembly-disassembly threaded nuts are unreliable as they can lose clamping force during assembly.
Innovation Solution
A threaded nut design featuring a body with threaded blocks and a pushing cover that moves radially and vertically, utilizing inclined surfaces and guiding portions to ensure secure locking and easy assembly/disassembly, with features like C-rings and elastic reset pieces for enhanced stability and convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional threaded nut is used for locking kitchen faucets, then the connection is stable, but the screwing operation is time-consuming and laborious due to limited space under the countertop
Solution Approach 1:
The patent applies the dynamics principle by making the threaded block movable within the nut body rather than fixed. The threaded block can move radially along the pushing cover's pushing direction, transforming the static nut structure into a dynamic one that adapts to the limited space under the countertop while maintaining stable connection
Solution Approach 2:
The patent segments the nut into multiple functional parts: a nut body, a movable threaded block, and a pushing cover. This segmentation allows the threaded block to be independently positioned and moved radially, enabling quick assembly-disassembly operations while maintaining reliable locking in the constrained space
2Productivity
If a quick assembly-disassembly threaded nut is used, then assembly is fast, but the clamping force is lost when the pushing cover is slightly retracted, making the assembly unreliable
Solution Approach 1:
The patent applies preliminary anti-action by pre-configuring the threaded block's radial movement capability and its interaction with the thread on the threaded rod. This ensures that even when the pushing cover is slightly retracted, the threaded block maintains its position through the thread engagement, preventing loss of clamping force before the actual disassembly action occurs
Solution Approach 2:
The threaded block automatically maintains its clamping force through its own structural design - the radial movement capability and thread engagement allow it to self-adjust and maintain secure connection without requiring constant external force from the pushing cover, making the assembly self-sustaining
Data Source
AI summary
The present disclosure discloses a threaded nut. The threaded nut comprises a body, a plurality of threaded blocks, and a pushing cover. The body comprises a first through hole and a mounting cavity connected to the first through hole. The plurality of threaded blocks is configured to move in the mounting cavity in a radial direction. An inner wall of each of the plurality of threaded blocks is disposed with an internal thread, and an outer wall of each of the plurality of threaded blocks is disposed with a first inclined surface and a first straight surface. The pushing cover is disposed with a second through hole, at least one second straight surface, and at least one second inclined surface.