Pop-up Drain Stopper Linkage Assembly with Adjustable Threaded Rod
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional pop-up drain stopper linkage assemblies are difficult to fix under a basin quickly and precisely due to the fixed positioning of the coupling rod and driving rod, which limits adjustable movement and causes resistance when trying to adjust the fitting portions.
Innovation Solution
The proposed pop-up drain stopper linkage assembly incorporates a threaded rod and sleeve system with retaining portions and a spherical ball mechanism, allowing for adjustable positioning and easy assembly, enabling quick and precise fixing under the basin, with a drain stopper that moves up or down in response to the lift rod's operation to control the drain outlet.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the coupling rod is removed from and fitted with the first segment of the driving rod repeatedly, then the assembly can be adjusted, but the fixing process becomes troublesome and time-consuming
Solution Approach 1:
The coupling rod is divided into multiple segments with different positioning features (first positioning portion, second positioning portion, third positioning portion) that can selectively engage with corresponding features on the driving rod. This segmentation allows for quick adjustment by simply changing which segment engages, eliminating the need for complete removal and re-fitting of the entire coupling rod assembly.
Solution Approach 2:
The positioning mechanism transitions from a static fixed connection to a dynamic adjustable connection. The coupling rod can be quickly moved between different positioned states (first, second, third positioning portions) without complex assembly/disassembly operations, enabling rapid adaptation to different installation requirements.
2Adaptability or versatility
If a distance exists between adjacent orifices on the coupling rod, then positioning options are provided, but the first segment of the driving rod cannot be adjustably moved on the coupling rod
Solution Approach 1:
The coupling rod is segmented into distinct positioning portions (first, second, third positioning portions) spaced at different locations. Each positioning portion can selectively engage with corresponding features on the driving rod, providing multiple discrete positioning options while maintaining ease of adjustment through simple segment engagement rather than continuous movement.
Solution Approach 2:
The positioning portions act as intermediaries between the coupling rod and driving rod. These intermediate engagement features facilitate adjustable positioning by providing predetermined engagement points that are easy to align and secure, eliminating the difficulty of direct adjustment between the driving rod and coupling rod bodies.
3Adaptability or versatility
If the driving rod selectively retains with the orifices using multiple fitting portions, then positioning options are increased, but adjacent fitting portions create resistance that makes adjustment difficult
Solution Approach 1:
The fitting portions are segmented into distinct, spatially separated engagement features (first, second, third positioning portions) on the coupling rod. This segmentation eliminates the interference problem of adjacent fitting portions by distributing them at different locations, allowing each to engage independently without creating resistance against the other, thus maintaining ease of adjustment while providing multiple positioning options.
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
This design allows for quick and exact assembly of the pop-up drain stopper linkage under the basin, enabling smooth and efficient operation of the drain stopper, ensuring the outlet can be easily turned on or off by pulling or pressing the lift rod.
Implementation Method 1
a spherical ball adjacent to the first segment and rotatably connected with the connector so as to form a fulcrum, wherein the first segment extends into the drain base from the through hole
Implementation Method 2
The threaded rod includes a top end connected with a bottom end of the lift rod, and the threaded rod moves upward and downward and rotating in response to the lift rod
Implementation Method 3
The first threaded sleeve is configured to screw with the threaded rod and to move upward and downward along the threaded rod in response to a rotation of the threaded rod
Implementation Method 4
a screwing extension arranged proximate to the second segment so as to screw with the second threaded sleeve, such that the second threaded sleeve is rotated to move along the screwing extension, and the driving rod causes a lever movement along the fulcrum
Data Source
AI summary
A pop-up drain stopper linkage assembly contains: a lift rod, a drain base, a connector, a threaded rod, a threaded sleeve, a driving rod, and a drain stopper. The lift rod is pulled upward or pressed downward by a user after extending through the basin. The drain base is disposed on the basin and includes an outlet. The connector is fixed on the drain base. The threaded rod is connected with the lift rod and moves vertically in response to the lift rod. The threaded sleeve screws with and moves vertically in response to the threaded rod and includes a first retaining portion. The driving rod includes a first segment, a second segment, a spherical ball, and plural second retaining portions. The drain stopper is secured on the drain base and includes a bottom end moving vertically in response to a lever movement of the driving rod.