Half-Screw Wall Fitting With Adjustable Depth and Spring Clamping
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing half-screw connections for mounting on wall openings are complex to manufacture and assemble, require many components, and lack adaptability to different wall thicknesses.
Innovation Solution
A half-screw connection featuring a sleeve-shaped clamping element with spring bars and an intermediate connector with adjustable threads, allowing flexible insertion depth and easy adaptation to varying wall thicknesses, along with a union nut for secure fixation and optional sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional connection fitting with multiple components (clamping element, lock, union nut, screw sleeve) is used, then the connection is secure, but the device complexity increases and manufacturing becomes difficult
Solution Approach 1:
The patent combines multiple traditional components (clamping element, lock, union nut, and screw sleeve) into a single integrated half-screw connection element. The clamping arms, locking mechanism, and threaded connection are merged into one piece that can be inserted through the wall opening and secured from one side only, eliminating the need for separate components and simplifying both manufacturing and assembly.
2Ease of manufacture
If prefabricated connection components are used, then assembly is straightforward, but adaptability to different wall thicknesses is limited
Solution Approach 1:
The half-screw connection incorporates a threaded section that allows for adjustable insertion depth into the wall opening. By rotating the connection element along the threads, the insertion depth can be varied to accommodate different wall thicknesses, providing adaptability while maintaining simple assembly through the single-component design.
3Reliability
If a connection system requires assembly from both sides of the wall, then secure fixation is achieved, but installation time and complexity increase
Solution Approach 1:
The patent extracts the locking mechanism to be operable from only one side of the wall opening. The clamping arms are designed to engage with the wall opening and be secured by rotating the half-screw connection element from the outer side only, eliminating the need for assembly operations from both sides of the wall while maintaining secure fixation.
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
Enables efficient assembly and secure fixation of hoses, pipes, or cables through wall openings with adjustable depth and sealing capabilities, accommodating different wall thicknesses and ensuring a stable connection.
Implementation Method 1
at least one spring bar with at least one radially outwardly projecting projection for engaging behind the wall element
Implementation Method 2
An internal thread is screwed onto the clamping element on the second thread of the intermediate piece, which is designed as an external thread
Data Source
Figure 1~2
Figure 3~4
Figure 5A~5B
AI summary
A half-screw fitting (1) for mounting on an opening of a wall element (10) comprises a sleeve-shaped clamping element (2) on which at least one spring bar (20) with at least one outwardly projecting projection (21) for engaging behind the wall element (10) is provided, and an intermediate sleeve (3) with a first thread (31) and a second thread (32), wherein a union nut (4) is screwed onto the first thread (31), wherein the second thread (32) of the intermediate sleeve (3) is designed as an external thread and is screwed onto an internal thread (24) on the clamping element (2), and the at least one spring bar (20) can be supported by an end section of the intermediate sleeve (3) on a radially inner side. The invention further relates to a method for mounting a half-screw fitting (1).