Mechanism for opening/closing an opening leaf with respect to a frame
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Solution Overview
Problem
Existing opening/closing mechanisms for panels require two actuators for motorized translation and rotation, leading to bulkiness, weight, and complexity, which is detrimental in applications with limited space and aesthetic considerations.
Innovation Solution
A mechanism utilizing a single actuator for both translation and pivoting, with a transmission system including a rectilinear and semi-circular guiding arrangement, and a worm screw-driven carriage, to simplify and reduce the bulk of the actuation system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If two actuators are used for motorized translation and rotation, then the opening panel can be moved precisely, but the mechanism becomes bulky and heavy
Solution Approach 1:
The patent combines two separate actuators (one for translation, one for rotation) into a single integrated actuator that performs both functions. The actuator includes a carriage that translates along a guideway and simultaneously rotates the opening panel through a transmission mechanism, eliminating the need for two separate actuators and reducing overall weight and bulk
Solution Approach 2:
The single actuator is designed with multi-functionality, serving both as a translation mechanism (through the carriage moving along the guideway) and as a rotation mechanism (through the transmission system that converts carriage movement into panel rotation). This universal design allows one actuator to replace two specialized actuators
2Measurement precision
If two actuators are used for motorized translation and rotation, then the opening panel can be moved precisely, but the mechanism complexity increases
Solution Approach 1:
The patent merges two separate actuator systems into one integrated unit, reducing the number of components that need to be synchronized and controlled. The single actuator with its unified transmission system eliminates the complexity of coordinating two independent actuators while maintaining precise movement control
3Adaptability or versatility
If two actuators are used for motorized translation and rotation, then both movements can be actuated, but the assembly time and adjustment time increase
Solution Approach 1:
By combining translation and rotation actuation into a single integrated actuator, the patent reduces the number of assembly steps and adjustment procedures required. Instead of installing and calibrating two separate actuators with their respective mounting and synchronization requirements, the unified design requires only one actuator installation and simplifies the adjustment process
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 allows for a more compact, lightweight, and easier-to-assemble actuation system that achieves high reliability and quality, while maintaining smooth and precise movement, suitable for applications like briefcases and other portable items.
Implementation Method 1
an actuator (17) with a worm screw (21)
Data Source
AI summary
Mechanism for opening/closing an opening leaf with respect to a frame. The mechanism is configured to cause, upon opening, a lifting of the opening leaf from a closure plane to an opening plane parallel to the closure plane, followed by a pivoting of the opening leaf about a pivot axis orthogonal to the translational movement of the opening leaf, and vice versa upon closing. The mechanism comprises: a fixed frame; a movable frame mounted translationally on the fixed frame; a hinge part mounted in a pivoting manner on the movable frame and coupled to a mechanism for attachment to the opening leaf; an actuator comprising an output member which can be actuated in a direction orthogonal to the pivot axis of the opening leaf; and a transmission that comprises a transmission link coupled in a pivoting manner to the output member, and to the hinge part.