Vehicle Handle Alignment Using a Pull-Out Cam Adjuster
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Solution Overview
Problem
Existing handle devices for vehicles face issues where the initial position of the handle main body relative to the door panel is uniquely determined by component dimensions, leading to potential misalignment due to dimensional errors, which can result in the handle main body not being flush with the door panel.
Innovation Solution
A handle device with an adjustment portion that allows for adjusting the position of the handle main body relative to the door panel by exposing the adjustment mechanism when the handle is pulled out from its initial position, utilizing a cam-shaped adjuster to align the handle surface with the door panel despite component deviations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the initial position is uniquely determined by dimensional relationship between components, then the structure is simple and easy to manufacture, but dimensional errors cause misalignment between handle main body and door panel
Solution Approach 1:
The patent introduces an adjustable mechanism that transforms the static, fixed initial position into a dynamic,可调 position. The handle main body can be adjusted along the guide slit to compensate for dimensional errors, achieving precise alignment while maintaining structural simplicity through modular design
Solution Approach 2:
The patent changes the positional parameter of the handle main body by introducing an adjustment mechanism that allows movement along the guide slit. This enables the initial position to be varied to compensate for dimensional errors in other components, achieving precise alignment without increasing overall device complexity
2Ease of operation
If the handle main body position is fixed by component dimensions, then the device is easy to manufacture, but adjustment workability is poor when misalignment occurs
Solution Approach 1:
The patent makes the initially fixed position dynamic by introducing an adjustment mechanism. The handle main body can now be moved along the guide slit for adjustment, improving adjustment workability while the modular design keeps manufacturing relatively simple
Solution Approach 2:
The patent incorporates an adjustment mechanism that allows preliminary positioning of the handle main body during assembly. This preliminary adjustment action enables alignment compensation before final assembly, improving both adjustment workability and manufacturing ease
3Reliability
If dimensional errors occur in components, then mass production is efficient, but the handle main body may not be held on the same surface as the door panel
Solution Approach 1:
The patent introduces an adjustment mechanism that allows the handle main body position to be varied along the guide slit. This compensates for dimensional errors in mass-produced components, ensuring reliable position holding accuracy without significantly impacting assembly efficiency
Solution Approach 2:
The adjustment mechanism is designed to be self-adjusting or easily adjustable by the operator during assembly. This self-service capability allows compensation for dimensional errors without requiring complex adjustment procedures, maintaining assembly efficiency while improving position holding accuracy
Data Source
AI summary
A handle device for a vehicle includes a handle base fixed to a vehicle, and a handle main body connected to the handle base and configured to be able to be pulled out from an initial position. The handle base is provided with an adjustment portion. The adjustment portion is configured to be operable by being exposed to outside when the handle main body is pulled out from the initial position, and to adjust a position of the handle main body at the initial position.