A book cover anti-curling structure
CN224689119UActive Publication Date: 2026-08-28张峻溪
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Patent Information
- Application Number
- CN202521449634.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-11
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-07-11
AI Technical Summary
Technical Problem
[0002]传统课本在使用过程中，其封面书角一般为直角，封面直角边缘在翻页时承受反复弯折应力，局部压力集中于棱角处，导致纸质纤维因疲劳逐渐软化断裂，形成卷边；
Benefits of technology
[0020]本实用新型在操作盒体的顶部设置有下压部，使用者通过按压裁切组件中的下压部，下压部下压挤压回弹部的同时，通过连接部带动弧形切刀进行直角书角的弧形切割，从而将课本整体连同封面的书角切割成为圆弧形，实现书角处的受力分散，避免课本封面卷边。
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Smart Images
Figure CN224689119U_ABST
Abstract
The utility model discloses a kind of textbook cover anti-curling structure, comprising: operation box, cutting assembly and closed assembly;Cutting assembly is used for the circular edge of book corner to prevent curling, cutting assembly includes arc cutter, the both ends of arc cutter are provided with connecting part, the side of operation box is provided with the movable part for connecting part to be inserted, the top of operation box is connected with the down-pressing part for being used to drive connecting part to move by insertion, the inner chamber of operation box is provided with the resilience part for the reset of down-pressing part;Closed assembly is set to the top of operation box;The utility model is provided with down-pressing part on the top of operation box, user presses down-pressing part in cutting assembly, down-pressing part presses and extrudes resilience part at the same time, by connecting part to drive arc cutter to carry out arc cutting of right-angle book corner, to cut textbook whole together with the book corner of cover into arc shape, realize the stress dispersion at book corner, avoid textbook cover curling.
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