A sketching drawing pressing type charcoal pen
By designing a press-type charcoal pencil, the problem of needing frequent sharpening of traditional charcoal pencils is solved, resulting in material savings, extended lifespan, and improved continuity and stability in drawing.
CN224644535UActive Publication Date: 2026-08-18李杜
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Patent Information
- Application Number
- CN202521686368.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-08
- Publication Date
- 2026-08-18
- Estimated Expiration
- 2035-08-08
AI Technical Summary
Technical Problem
Traditional charcoal pencils require frequent sharpening, leading to material waste, limited lifespan, and low operating efficiency.
Method used
A push-button charcoal pencil was designed. By pressing the top of the pencil tube, the supporting connecting tube is pushed to slide, which opens and closes the lead clip, avoiding frequent sharpening and maintaining a stable lead length.
Benefits of technology
It improves the lifespan and efficiency of charcoal pencils, reduces material waste, and enhances the continuity and stability of drawing.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model discloses a sketch drawing press type carbon pen for, including vertical pen sleeve, the inner chamber of vertical pen sleeve bottom is provided with thread, the bottom of vertical pen sleeve is fixedly connected with the conical pen head through the thread, the inner chamber fixedly connected with the inner lining pencil core holder of conical pen head, the utility model discloses hold vertical pen sleeve, and press the pen tube jacks and drive plastic pen tube to slide down to support the connecting pipe, and then make support the connecting pipe push -pin chuck and make pencil core chuck unfold, and then under the action of gravity, carbon core will naturally slide down, and the spring's resilience pushes support the connecting pipe reset and slide up, and then pull pencil core chuck and slide up, and make pencil core chuck close again under the convergence effect of metal fixed ring, and then make pencil core chuck fix carbon core again, can make this pen very convenient to take out the core, and it is more convenient to draw.
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