Chopping and grinding dual-purpose pencil sharpener
A pencil sharpener and dual-purpose technology, applied in the field of stationery, can solve the problems of inconvenient, expensive, unfavorable carrying, etc., and achieve the effect of simple structure
Inactive Publication Date: 2013-07-10
刘大为
View PDF0 Cites 1 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0002] Pencil sharpeners are widely used in daily life and work, especially in schools and offices. At present, the pencil sharpeners on the market mainly include blade-type pencil sharpeners and hand-operated pencil sharpeners. The blade-type pencil sharpeners can only be used As for sharpening pencils, after the pencil is sharpened, the tip of the pencil will be relatively thick, and people will rub it on paper or on the concrete floor to make the tip thinner before using it, which is time-consuming and inconvenient to sharpen; and Hand-cranked pencil sharpeners are usually relatively large in size. Although they are convenient to use, they are expensive and not conducive to carrying
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0009] As shown in the figure, it is a pencil sharpener for sharpening and sharpening. The main body is composed of a blade 1 and a knife holder 2. A sandpaper 3 is arranged on one side of the knife holder 2, and a push-pull cover 4 is arranged outside the sandpaper. The push-pull cover 4 can be moved forward and backward. move.
[0010] In addition to the original pencil sharpener function, the dual-purpose pencil sharpener for sharpening and sharpening is equipped with a sandpaper 3 on one side of the knife holder 2, which can be sharpened and sharpened immediately. The push-pull cover 4 can make the pencil foam be sealed in the inside, which is convenient and hygienic.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention provides a chopping and grinding dual-purpose pencil sharpener, which is simple in structure, convenient to use and easy to carry. The main body is composed of a blade and a knife pouch, wherein abrasive paper is arranged at one side of the knife pouch; a push-pull cover is arranged at the outer edge of the abrasive paper; and the push-pull cover can push forwards and backwards. Thus, the pencil sharpener not only has the role of the traditional pencil sharpener, but also can immediately chop and grind, so as to prevent abrasion on paper or floor; the push-pull cover is closed after grinding is finished; and lead foam can be sealed and stored in the pencil sharpener. Thus, the chopping and grinding dual-purpose pencil sharpener is sanitary and convenient.
Description
technical field [0001] The invention relates to a stationery, in particular to a sharpening and sharpening dual-purpose pencil sharpener. Background technique [0002] Pencil sharpeners are widely used in daily life and work, especially in schools and offices. At present, the pencil sharpeners on the market mainly include blade-type pencil sharpeners and hand-operated pencil sharpeners. The blade-type pencil sharpeners can only be used As for sharpening pencils, after the pencil is sharpened, the tip of the pencil will be relatively thick, and people will rub it on paper or on the concrete floor to make the tip thinner before using it, which is time-consuming and inconvenient to sharpen; and Hand-operated pencil sharpeners are usually relatively large in size. Although they are convenient to use, they are expensive and not conducive to carrying. Contents of the invention [0003] The invention provides a sharpening and sharpening dual-purpose pencil sharpener which is sim...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More IPC IPC(8): B43L23/00
Inventor 刘大为
Owner 刘大为
