Novel loose-leaf notebook
By adopting a combined structure of micro gears and semicircular snap rings in loose-leaf notebooks, the problems of inconvenience and misalignment of edges of existing loose-leaf notebooks are solved, and the convenience of replacing paper and the aesthetics of using are improved.
CN222663015UActive Publication Date: 2025-03-25SHANGHAI YUZHI CULTURAL CREATIVITY CO LTD
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Patent Information
- Application Number
- CN202421398211.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-19
AI Technical Summary
Technical Problem
Existing loose-leaf notebooks with coils are inconvenient to operate when replacing loose-leaf paper, and the edges of the set paper cannot be aligned, making the use of poor appearance.
Method used
A new loose-leaf notebook was designed, adopting a combined structure of micro gears and semicircular clamping rings. Through the cooperation of racks and springs, the racks are automatically moved forward and backward, and the rivets are driven to rotate through micro gears, which realizes the separation of semicircular clamping rings and rivets, making it easier to replace the drilled paper.
Benefits of technology
Improves the ease of replacing loose-leaf paper, ensures paper edge alignment, improves the aesthetics of use, and increases the number of set papers.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model relates to a novel loose-leaf notebook. According to the technical scheme, a notebook body comprises an upper skin, a side edge, a lower skin and punching paper, the front end and the rear end of the edge of the side, connected with the side edge, of the lower skin are fixedly connected with fixing lugs respectively, the front fixing lug and the rear fixing lug are slidably inserted into the two ends of a rack respectively, and a counter bore is formed in the upper portion of the front side wall of the rear fixing lug; a plurality of through holes are evenly formed in the positions, on the left side and the right side of the fixing lug, of the lower surface in a front-back array mode, rivets are inserted into the left through hole and the right through hole respectively, and the positions, penetrating through the upper surface of the lower surface, of the rivets in the row on the left side are fixedly sleeved with micro gears respectively. The upper ends of the rivets in the left row are fixedly connected with semicircular clamping rings respectively, and the other ends of the semicircular clamping rings make movable contact with the upper ends of the rivets in the right row. The punching device has the advantages that punching paper can be conveniently and rapidly replaced and installed, and using convenience is improved.
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