Vehicle Door Track Mechanism for Low-Clearance Side Retraction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional vehicle door mechanisms often require significant clearance for opening and can pose safety risks due to their design, particularly when it comes to side impact collisions and pedestrian safety, and they lack efficient control systems for automatic operation.
Innovation Solution
A door control mechanism that uses a piston connected to a track and pin system, powered by an electronic, hydraulic, or magnetic actuator, allowing the door to rotate and retract sideways, minimizing the space required for opening and providing a safer, more compact design with automatic operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional hinge-based door mechanisms are used, then the door can open and close reliably, but significant clearance space is required and safety risks increase
Solution Approach 1:
The door mechanism transitions from conventional hinge rotation to a piston-driven linear motion system. The door is pushed along a track by a piston, changing the motion dimension from rotational (hinge) to linear (piston push), which eliminates the need for large clearance space and reduces collision risks.
Solution Approach 2:
The conventional mechanical hinge system is replaced with an actuated piston-track mechanism. The piston, driven by electronic, hydraulic, or magnetic actuators, substitutes the hinge's rotational function with linear propulsion, achieving door opening without the spatial and safety drawbacks of traditional hinges.
2Ease of manufacture
If conventional outward-opening doors are used, then the design is simple and reliable, but pedestrian safety and compactness are compromised
Solution Approach 1:
The door system incorporates dynamic control through actuators that can precisely manage door motion. The piston-driven mechanism allows the door to move only when actuated, enabling controlled opening and closing that reduces pedestrian injury risk while maintaining manufacturing feasibility through standardized actuator components.
Solution Approach 2:
The piston acts as an intermediary between the actuator and the door. Instead of the actuator directly moving the door, the piston translates actuator motion into controlled door displacement along the track, providing a safety buffer and precise motion control that reduces pedestrian injury risk.
3Extent of automation
If automatic door control systems are implemented, then user convenience is improved, but device complexity increases
Solution Approach 1:
The piston-actuator system serves multiple functions: it provides the mechanical force to move the door, controls the door's position along the track, and enables automatic operation through electronic control. This multi-functionality reduces the need for separate components, managing complexity while achieving automation.
Solution Approach 2:
The system uses variable parameters in the actuator control to achieve automatic door operation. By adjusting actuator activation timing, force, and duration based on sensor input, the system实现s automated door control without requiring complex mechanical mechanisms, managing complexity through software/control parameter management.
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 doors to open and close with minimal extension, enhancing safety by reducing the risk of side impact damage and pedestrian injury, while also providing a more compact and aesthetically pleasing design that can be fully automated for improved user convenience.
Implementation Method 1
a piston, which may be solid or a wheel or ball bearing, and it may be attached to or molded-into or fit-into the piston or the outer cylinder/ring, and (f) a mechanism for pushing ('pushing mechanism') out the piston, which may be an electronic linear actuator, hydraulic actuator, or magnetic propulsion
Data Source
AI summary
Systems, methods, and computer-readable media for vehicle object repositioning management, including door control mechanisms, rack control mechanisms, and roof control mechanisms, are provided.