Bidirectional Mechanical Converter With Switchable Output Direction
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Solution Overview
Problem
Existing manual tools, such as screwdrivers and torque wrenches, face inefficiencies due to the inability to continuously rotate in one direction, leading to wasted movements and inconvenient direction switching for bidirectional operations.
Innovation Solution
A bidirectional mechanical converting unit with a driving mechanism that includes one-way clutches and a reversing mechanism, allowing the main shaft to rotate in either direction based on handle input, with the ability to switch rotation direction via a compact and simple structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a one-way clutch mechanism is used to convert bidirectional handle rotation into unidirectional shaft rotation, then the efficiency of hand motion is improved, but the device complexity increases
Solution Approach 1:
The patent introduces a reversing mechanism as an intermediary component between the handle and the one-way clutches. This reversing mechanism converts bidirectional handle rotation into unidirectional rotation of the driving elements, which then drive the shaft through one-way clutches. The intermediary mechanism enables efficient utilization of bidirectional hand motion while maintaining a relatively simple overall structure by dividing the conversion function into two stages.
2Productivity
If the shaft is designed to rotate in only one direction, then the mechanical rectifier can efficiently utilize bidirectional handle rotations, but the ease of operation deteriorates due to the need to remove and re-mount handles to switch rotation direction
Solution Approach 1:
The patent makes the shaft rotation direction dynamic and switchable by introducing a reversing mechanism that can be easily operated by the user. The reversing mechanism allows the shaft to switch between two rotation directions (clockwise and counterclockwise) through simple user input, eliminating the need to physically remove and re-mount handles. This dynamic direction switching maintains high operational efficiency while significantly improving ease of use.
3Adaptability or versatility
If the handle is removed from the shaft to switch rotation direction, then the shaft can adapt to different tool bits, but the reliability deteriorates as parts are easy to get lost
Solution Approach 1:
The patent maintains the handle-shaft connection in a permanently coupled state while enabling dynamic switching of the shaft's rotation direction through the reversing mechanism. This eliminates the need to remove the handle to change rotation direction, thereby maintaining tool integrity and preventing parts from getting lost. The system achieves adaptability to different operations (tightening and loosening) through the reversible shaft rotation rather than through physical reconfiguration.
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 solution enables efficient utilization of bidirectional rotations, simplifies operation by allowing easy direction switching, and maintains tool integrity without parts getting lost, enhancing user convenience and efficiency.
Implementation Method 1
two driving elements mounted on the shaft, each having a one-way clutch interposed between it and the shaft
Data Source
AI summary
The present invention discloses aA bidirectional mechanical converting unit, comprisingincludes: a main shaft; a driving mechanism, which including a driving meansassembly and a reversing meansassembly which are coupled to each other; and a rotation meansassembly for inputting torque, an rotation axis of the rotation meansassembly being coaxial with the main shaft, the rotation meansassembly and the driving mechanism being coupled to each other, and the driving mechanism delivering the torque to output at the main shaft at a predetermined direction, no matter in which direction the rotation meansassembly rotates; wherein the predetermined direction can be switched via the reversing meansassembly. The present invention is simple structured, not only can efficiently utilizes the movements of the rotation means in either way, but also can switch the rotation direction of the output shaft conveniently upon demand, with easy operations.