Sanitary Dispenser Cover Linkage for Stable Curved-Guide Pivoting
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Solution Overview
Problem
Conventional sanitary dispensers with curved guides suffer from reduced stability and disruptions during opening and closing due to a shortened effective guide length, which complicates refilling and affects the overall functionality.
Innovation Solution
An intermediate member is introduced between the curved guide and the gear element, allowing for sliding motion within the guide and gear element, maintaining stability over the existing opening angle by using stops and a floating sliding mechanism, ensuring proper alignment and support during pivoting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a curved guide is used to replace a physical bearing axis, then the dispenser achieves a compact design suitable for wall mounting, but the effective guide length is reduced to about two-thirds to three-quarters of the total length, causing stability loss and disruptions during opening and closing
Solution Approach 1:
An intermediate member is introduced between the curved guide and the second gear element. This intermediate member acts as a mediator that transmits motion while maintaining proper engagement throughout the opening angle range, resolving the stability issue caused by the shortened effective guide length in compact dispensers
Solution Approach 2:
The guide system is divided into three separate components: the curved guide, the intermediate member, and the second gear element. This segmentation allows each component to be optimized independently, with the intermediate member specifically designed to maintain stable engagement over the full opening angle despite space constraints
2Volume of moving object
If the effective guide length is shortened due to the curved guide design, then the dispenser remains compact for wall mounting, but the cover cannot be pivoted through the full opening angle without losing guide stability
Solution Approach 1:
The intermediate member serves as a mediator that extends the effective guidance throughout the full opening angle. It engages with both the curved guide and the second gear element, ensuring smooth cover pivoting from closed to fully open position without losing stability, thus improving ease of operation while maintaining compact dimensions
3Ease of operation
If the opening angle is increased to improve refilling ease, then refilling becomes easier, but the dispenser size increases which conflicts with wall mounting space constraints
Solution Approach 1:
The intermediate member is designed to move dynamically within the curved guide during cover pivoting. It slides along the curved path and engages with the second gear element at appropriate positions, enabling the cover to reach a larger opening angle for easier refilling while the overall dispenser structure remains compact for wall mounting
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 enhances the stability of the guide, allowing for easier refilling by maintaining the effective guide length without increasing the opening angle, ensuring smooth operation throughout the pivoting range.
Implementation Method 1
The intermediate member 11 is guided in a floating, sliding manner between two stops 5, 6
Implementation Method 2
a first gear element 8 rotatably arranged on the housing 1 interacts with a second gear element 9 fixedly arranged on the cover 2
Data Source
Figure 1
Figure 2
Figure 3
AI summary
Sanitary dispenser with a housing (1) and with a cover (2) pivotable about an axis (3), wherein a first gear element (8) rotatably arranged on the housing (1) is connected to a second gear element (8) fixedly arranged on the cover (2). 9) which is pivotally slidably mounted on a curved guide (7) in the housing (1) about the axis (3), between the curved guide (7) and the second gear element (9) a sliding intermediate member (11) is provided.