Suction Cup With Self-Adhesive Gel For Rough Surfaces
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Solution Overview
Problem
Suction cups used to attach electronic devices to vehicle windshields or windows often fail to maintain a firm attachment due to insufficient surface smoothness, especially on rough or dirty surfaces, leading to detachment and potential safety hazards during vehicle vibration.
Innovation Solution
A suction cup structure integrated with a self-adhesive gel and an exhaust mechanism that allows for firm attachment to both smooth and rough surfaces by using a gel with self-adhesivity and a protruding portion with adhesive glue liquid, and an exhaust portion to enhance attachment force through air expulsion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If traditional suction cup structure is used, then the structure is simple, but the attachment force is insufficient on rough surfaces
Solution Approach 1:
The patent combines a suction cup with a self-adhesive gel layer to create a composite attachment structure. The gel layer fills surface irregularities and provides additional adhesion through its self-adhesive properties, while the suction cup provides negative pressure attachment. This composite structure significantly improves attachment force on rough surfaces compared to a simple suction cup alone.
2Force
If air is expelled from suction cup to increase pressure difference, then attachment force increases, but air is sucked in easily on rough surfaces
Solution Approach 1:
The self-adhesive gel layer acts as an intermediary between the suction cup and the rough surface. It fills in surface irregularities and creates a sealed interface that prevents air from being sucked in during vibration or movement. This intermediary layer maintains the pressure difference and attachment stability even on rough surfaces where traditional suction cups fail.
3Adaptability or versatility
If suction cup is attached to rough surface, then versatility is improved, but attachment force decreases due to air entry
Solution Approach 1:
The gel layer provides locally adaptive properties by conforming to the specific roughness characteristics of different surfaces. Its self-adhesive nature and deformability allow it to create effective seals on various surface types (smooth, rough, curved, flat), enabling the suction cup structure to maintain strong attachment across diverse surfaces without compromising attachment force.
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 suction cup structure effectively maintains a firm attachment to various surfaces, including rough ones, by utilizing the gel's self-adhesivity and deformation ability to prevent air entry and reinforce the suction force, thereby reducing the likelihood of detachment during use.
Implementation Method 1
the gel is self-adhesive
Implementation Method 2
with a deformation amount and self-adhesivity
Implementation Method 3
expelling the air from the suction cup to increase the difference between the internal and external pressure of the suction cup
Data Source
AI summary
A suction cup structure is disclosed. The suction cup structure can be attached firmly on a surface of an object. The suction cup structure comprises a suction cup and a gel, wherein the gel has a first surface and a second surface; the first surface is connected to the suction cup, and the second surface is attached to the surface of the object.