Bead Planting Pen Layout for Higher Capacity and Natural Grip
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Solution Overview
Problem
Existing bead planting pens have limited bead storage capacity and require frequent manual replenishment due to small body cavity dimensions, and their operation does not mimic natural pen holding and writing actions, leading to a poor user experience, especially for children.
Innovation Solution
A pen design that allows for a larger bead storage capacity by positioning the bead storage area away from the bead outlet, enabling multiple beads to be stored vertically and horizontally, and mimics natural pen holding by allowing three-finger grip and simulating writing motions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the bead storage position is between the pressing rod and bead outlet hole with small body cavity height, then the pressing rod can effectively push beads out, but the bead containing volume is small and frequent refilling is required
Solution Approach 1:
The patent changes the bead storage arrangement from a vertical single-column configuration to a multi-layer horizontal stacking configuration. Multiple beads are arranged in parallel layers within the body cavity, allowing several beads to be stored simultaneously without increasing the vertical height of the pressing mechanism. This dimensional reorganization resolves the contradiction by significantly increasing bead capacity while maintaining the compact pressing structure.
2Quantity of substance
If the body cavity is designed with small height to accommodate pressing rod movement, then the pressing mechanism can function properly, but only several beads can be contained
Solution Approach 1:
The patent transforms the bead storage from a single vertical column to multiple horizontal layers stacked within the body cavity. This allows the body cavity to accommodate more beads by utilizing horizontal space and layering, effectively increasing the bead containing volume without requiring an increase in the vertical height of the cavity, thus maintaining compatibility with the pressing rod's movement range.
3Ease of operation
If one finger presses the pressing head while holding the pen body, then the bead planting can be performed, but the action does not conform to natural writing or drawing process
Solution Approach 1:
The patent designs the pen body with a grip structure and overall form factor that mirrors conventional writing pens. This universal design allows children to use their familiar three-finger gripping technique from actual writing or drawing activities, making the bead planting action natural and intuitive. The pen's shape, size, and grip area are optimized to accommodate standard handwriting postures, eliminating the need for specialized holding techniques.
Data Source
AI summary
Disclosed is a pen for planting spherical beads. A hollow hole is formed in a lower end of a pen body. A jacking rod vertically extending in a downward direction and a vertical sliding component are under the pen body. A cavity is formed inside the vertical sliding component, a bead inlet hole is formed on the top of the cavity, a bead outlet hole is formed in the bottom of the cavity, the bottom of the vertical sliding component is inclined, and the bead outlet hole is positioned at the lowest end of the cavity of the vertical sliding component. When the vertical sliding component downwards slides to the lowest point of a track relative to the pen body, a vertical distance between the lower end surface of the jacking rod and the bead outlet hole can accommodate a spherical bead.