Rebar Coupler Assembly With Magnetic Piece Guide Alignment
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Solution Overview
Problem
Conventional couplers for reinforcing bar connections face challenges in providing sufficient strength and fastening force while being inconvenient to assemble, leading to misalignment and manufacturing inefficiencies.
Innovation Solution
A coupler design featuring a socket with threaded surfaces, a coupler body with inclined surfaces, and internal pieces with locking protrusions, a piece guide with a magnet for assembly, and an elastic member to enhance coupling strength and simplify assembly by eliminating the need for separate fixing means.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional wire winding method is used to connect reinforcing bars, then the connection can be made, but the operation is inconvenient and causes misalignment and warping
Solution Approach 1:
The coupler body with inclined surface automatically guides the reinforcing bar into correct alignment during insertion. The inclined surface causes the bar to self-align as it is inserted, eliminating the need for manual alignment operations and preventing warping that occurs with conventional wire winding methods.
Solution Approach 2:
The coupler body acts as an intermediary device between two reinforcing bars. It provides a standardized connection interface with inclined guiding surfaces that ensure precise alignment, replacing the direct wire-winding connection method that causes misalignment.
2Stability of the object's composition
If O-ring is fastened to maintain fastening part shape, then the radial shape is maintained, but manufacturing efficiency deteriorates due to inconvenient assembly
Solution Approach 1:
The spacing maintenance portion is integrated directly into the coupler body structure, merging the shape maintenance function with the main coupler component. This eliminates the need for separate O-rings and their fastening operations, improving manufacturing efficiency while maintaining the radial shape of the fastening part through the built-in spacing maintenance portions.
Solution Approach 2:
The O-ring component and its fastening operation are completely extracted from the system. The shape maintenance function is achieved through the coupler body's own structural features (spacing maintenance portions) rather than through a separate removable component.
3Ease of manufacture
If coupler body has uniform thickness, then manufacturing is simpler, but rigidity is insufficient at the inlet portion
Solution Approach 1:
The coupler body has varying thickness with different local properties: the inlet portion has greater thickness for enhanced rigidity and strength during bar insertion, while other portions have appropriate thickness for their specific functions. This local quality variation optimizes both structural performance and manufacturing.
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
The solution provides enhanced strength and fastening force for reinforcing bars while improving assembly convenience and manufacturing efficiency by ensuring precise alignment and secure connections.
Implementation Method 1
a piece guide inserted through one end of the plurality of pieces and having a plurality of spacing maintenance portions formed on an outer surface thereof and inserted into a gap between the pieces to widen the gap between the pieces, the piece guide being provided with a magnet to maintain an assembled shape of the pieces seated by the spacing maintenance portions
Implementation Method 2
an elastic member arranged inside the hollow portion of the coupler body to press the pieces toward the inlet of the coupler body
Data Source
AI summary
The present invention relates to a coupler for connecting reinforcing bars which is used for connecting reinforcing bars to each other that are used in a construction site and, more specifically, to a coupler for connecting reinforcing bars which has increased strength and excellent fastening force on reinforcing bars through a structural improvement, and also provides increased convenience in assembly, thereby maximizing the manufacturing efficiency. The present invention has increased strength and excellent fastening force on reinforcing bars through a structural improvement to a coupler body, and does not require a separate fixing means by allowing a plurality of piece bodies to be assembled to a piece body guide provided with a magnet, thereby providing increased convenience in assembly and maximizing the manufacturing efficiency.