Elastically Deformable Edge Strip Armrest Brake Mechanism
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing brake mechanisms for armrests in vehicles lack the ability to generate a defined braking force efficiently and are complex to produce.
Innovation Solution
A brake part comprising an elastically deformable edge strip and a retaining part with a brake member that generates a frictional force by contact, allowing for adjustable braking torque through precise material distribution in expansion spaces and web configurations, enabling the armrest to be easily pivoted between use and nonuse positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a friction detent element with sliding guide surface and stop bolt is used to slow arm support movement, then braking function is achieved, but the structure becomes complex and manufacturing becomes difficult
Solution Approach 1:
The brake mechanism is divided into two independent parts: a brake part with an elastically deformable edge strip and a retaining part with a brake member. This segmentation allows each part to be manufactured separately with simpler processes while maintaining the overall braking function through their cooperative interaction.
Solution Approach 2:
The invention uses an elastically deformable edge strip that can be pressed by a predetermined force to generate frictional force. By controlling the elastic deformation parameter and the pressing force, the braking effect is achieved without requiring complex mechanical structures like sliding guide surfaces and stop bolts.
2Force
If traditional brake mechanisms are used to generate braking force, then arm support movement is slowed, but the braking force cannot be precisely controlled and manufacturing is complex
Solution Approach 1:
The brake mechanism uses an elastically deformable edge strip where the braking force is controlled by the elastic deformation parameter. By adjusting the pressing force applied to the edge strip, the frictional force and thus the braking torque can be precisely controlled and predetermined.
Solution Approach 2:
The edge strip acts as an intermediary element between the brake member and the arm support. It converts the pressing force into a controlled frictional force, providing a simple yet effective means to regulate braking force without complex control mechanisms.
3Manufacturing precision
If complex brake structures are implemented to achieve defined braking force, then braking control is improved, but manufacturing simplicity is lost
Solution Approach 1:
By dividing the brake into separate brake part and retaining part, each component can be manufactured using simple, standard processes. The brake part with the elastically deformable edge strip can be produced independently, and the retaining part with the brake member can be manufactured separately, then assembled together.
Solution Approach 2:
The invention achieves defined braking force through controlled elastic deformation of the edge strip rather than through complex mechanical geometries. This allows the braking force to be predetermined by selecting appropriate material properties and dimensions for the edge strip, simplifying the manufacturing process while maintaining precision.
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 effectively slows the pivoting movement of the armrest by generating a consistent braking torque, enhancing user control and simplifying manufacturing processes.
Implementation Method 1
A frictional force that counteracts and slows the pivoting movement of the arm support is generated by the contact of the brake member with the edge strip
Implementation Method 2
The edge strip forms, for example, a slide surface for the brake member. The brake member slides along on the slide surface while the arm support is moved between the nonuse position and the use position
Data Source
AI summary
A brake part for an armrest mount has an elastically deformable edge strip and a hole adjacent the edge strip. The edge strip is made of a predetermined material and forms a slide surface opposite the hole, and an elastically deformable element formed of a material different from that of the edge strip lies between the edge strip and the hole and supports the strip against deformation in a direction toward the hole. The edge strip and the element are depressable elastically in the direction into an expansion space formed by the hole.