Rotary Suction Cup with Adjustable Multi-Level Suction Force
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Solution Overview
Problem
Existing suction cups have unadjustable suction force, making installation and connection to accessories inconvenient due to inaccurate alignment, weight, and volume issues, often requiring disassembly and two-person operation.
Innovation Solution
A rotary suction cup with multi-level suction force adjustment, featuring a pivot seat and tube system with spiral pit slots and knurls, allowing for easy position adjustment and maximum suction, and a knob with eccentric rotation center for convenient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the suction cup uses a fixed structure with unadjustable suction force, then the structure is simple, but the ease of operation deteriorates due to inaccurate alignment and repeated disassembly requirements
Solution Approach 1:
The suction cup incorporates a dynamic adjustment mechanism where the rubber bottom can be rotated relative to the base through a pivot tube and pivot seat system. This allows the suction force to be adjusted from a first level (small suction force for positioning) to a second level (maximum suction force for secure attachment), transforming a static structure into a dynamic one that adapts to different operational stages.
Solution Approach 2:
The invention changes the suction force parameter by rotating the rubber bottom to different positions. The pivot tube with knurl engaging in the spiral pit slot of the pivot seat enables discrete rotational positions, each corresponding to a different suction force level. This parameter change allows optimization of both ease of operation and attachment security without fundamentally changing the overall device structure.
2Productivity
If the suction cup requires repeated disassembly for re-installation, then the device complexity remains low, but the loss of time increases due to repeated operations
Solution Approach 1:
The suction cup allows preliminary positioning at the first level of suction force, where the rubber bottom can be easily rotated and adjusted to achieve accurate alignment with the mounting surface. Once positioned correctly, the user can then rotate to the second level for maximum suction force, eliminating the need for complete disassembly and re-installation.
Solution Approach 2:
The dynamic rotation mechanism enables the suction cup to transition between two operational states: a first state with reduced suction force for easy adjustment and positioning, and a second state with maximum suction force for secure attachment. This dynamic capability prevents the need for repeated disassembly operations.
3Adaptability or versatility
If the suction cup uses a fixed suction force structure, then the device complexity is low, but the adaptability deteriorates due to inability to adjust for different installation scenarios
Solution Approach 1:
The invention introduces a dynamic adjustment capability through the pivot tube and pivot seat mechanism, allowing the rubber bottom to be rotated to different angular positions. Each position corresponds to a different suction force level, enabling the device to adapt to various installation scenarios such as lightweight accessories versus heavier items.
Solution Approach 2:
The suction force parameter is made adjustable through the rotational mechanism. The knurl on the pivot tube engages with the spiral pit slot in the pivot seat to provide discrete rotational positions, each establishing a different suction force level. This parameter adjustment capability enhances adaptability without requiring multiple separate suction cup designs.
4Force
If the suction cup requires two-person operation for heavy items, then the force capability is sufficient, but the ease of operation deteriorates
Solution Approach 1:
The dynamic rotation mechanism allows a single operator to first position the suction cup at the first level with small suction force, making alignment easy. After positioning, the operator rotates to the second level for maximum suction force, achieving secure attachment of heavy items without requiring a second person.
Solution Approach 2:
The suction force parameter can be changed from a first level to a second level through rotation. This enables a single person to handle heavy items by first using reduced suction force for easy positioning, then increasing to maximum suction force for secure attachment, eliminating the need for two-person operation.
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
Enables easy adjustment and secure attachment of objects with adjustable suction force, simplifying installation and operation, reducing the need for repeated disassembly and allowing single-person handling.
Implementation Method 1
the pivot seat is axially moved along with the rotation of the pivot tube. Therefore the rubber bottom is concavely deformed on a surface, and the pivot tube or the knob is connected to the base with at least two-level rotation
Data Source
AI summary
Disclosed is a rotary suction cup, comprising a knob, a base, and a rubber bottom arranged from top to bottom, wherein the knob is connected with the rubber bottom, and the base is provided with a connecting portion for connecting a hanging object, and a through hole; the rotary suction cup further comprising: a pivot seat, arranged in the middle of the rubber bottom, and connected with the knob; a pivot tube, arranged in the knob, and sleeved on and moveably connected to the pivot seat; wherein, the pivot seat is axially moved along with the rotation of the pivot tube, the rubber bottom is concavely deformed on a surface thereof by the pivot seat, and the pivot tube or the knob is rotationally connected to the base in a stepped manner of at least two steps.