CN104228430A - A kind of rotary reciprocating pencil sharpener - Google Patents

Abstract

The invention belongs to the technical field of school supplies, and particularly relates to a rotary pencil sharpener and a reciprocating pencil sharpener. A rotary reciprocating pencil sharpener is composed of a base, a blade, a rotary structure consisting of base, blade and conic sharpening hole, and a rotary reciprocating pencil sharpener with said rotary structure consisting of base, blade, inclined surface or recess and chip-removing slot.

Description

A kind of rotary reciprocating pencil sharpener

The invention belongs to the technical field of school supplies, in particular to a rotary pencil sharpener and a reciprocating pencil sharpener.

Background technique

The existing rotary pencil sharpener has the advantages of being safe and practical, but also has the disadvantage of often breaking the lead of the pencil during use, which is not hygienic and wastes resources. This kind of rotary pencil sharpener can only sharpen the nib with a round point, which is mainly suitable for low-grade pupils, not for high-grade students and adults, especially for drawing sketch pens and eyebrow pencils for women's makeup. , there are certain limitations in use.

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Contents of the invention

The purpose of the present invention is to solve the above-mentioned insufficient problem, and a kind of rotary reciprocating pencil sharpener is provided. The utility model has the characteristics of safety, sanitation, small size, portability, low price, convenient use and simple structure.

The technical solution adopted by the present invention for achieving the above object is: on a base, there are a rotary structure pencil sharpener and a reciprocating structure pencil sharpener, the pencil sharpeners of these two structural forms coexist, share a blade or separate blades respectively, It not only has the characteristics of a rotary pencil sharpener, but also has the characteristics of a reciprocating pencil sharpener, which can meet the needs of different users, prolong the service life of the pencil, and expand the scope of use.

Mainly reflected in the following substantive features:

In order to satisfy different users, the present invention has a simple product structure, not only considers the use safety of low-grade primary school students and children, but also considers the characteristics of high-grade students and adults, and can meet the needs of different users.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the present invention (shared blade type).

Fig. 2 is a schematic diagram of the structure of the present invention (independent blade type).

Fig. 3 is a schematic diagram of the flute of the present invention.

In the figure: 1 base; 2 blades; 3 truncated cone-shaped pencil sharpener hole; 4 inclined plane groove; 5 chip removal groove; 6 screws; 7 inclined plane.

Detailed ways

Below in conjunction with specific embodiment the present invention is described in further detail, but the present invention is not limited to specific embodiment.

Example 1

A kind of rotary reciprocating pencil sharpener as shown in Figure 1, mainly is made up of base 1, blade 2, and the middle part of base 1 is provided with frustum-shaped pencil sharpening hole 3, and the middle position of base 1 has chip removal groove 5, The outer wall of the truncated cone-shaped pencil sharpening hole 3 is provided with an opening along the axial direction, and a blade 2 is installed on the opening, and the blade 2 is fixedly connected on the base 1 with a screw 6. The inclined plane groove 4, the angle between the bottom surface of the inclined plane groove 4 and the blade 2 is 45 degrees. The base 1, the blade 2, and the frustum-shaped pencil sharpener hole 3 form a rotary structure pencil sharpener and the base 1, the blade 2, the inclined surface groove 4, and the chip removal groove 5 form a reciprocating structure pencil sharpener. The new structure shares the blade 2 and has the functions of pencil sharpeners with two different structural forms. When using an ordinary pencil, you can choose one of the sharpening methods; when using a sketch pen, you can use the pen sharpening method of the reciprocating structure pencil sharpener to obtain the required slender pen tip shape.

Example 2

As shown in Figure 2, a rotary reciprocating pencil sharpener is mainly composed of a base 1 and a blade 2. The middle part of the base 1 is provided with a truncated cone-shaped pencil sharpener hole 3, and the outer wall of the truncated cone-shaped pencil sharpener hole 3 is arranged along the axial direction. There is an opening, the blade 2 is installed on the opening, the opposite side or the side of the opening of the frustum-shaped pencil sharpener hole 3 has a slope 7, the horizontal direction of the axis of the slope 7 is provided with an opening, a chip removal groove 5 is provided below the opening, and a blade 2 is provided on the opening , the blade 2 is fixedly connected to the base 1 with the screw 6, and the angle between the inclined plane 7 and the blade 2 is 30 degrees. The base 1, the blade 2, and the truncated cone-shaped pencil sharpener hole 3 form a rotary structure pencil sharpener and the base 1, blade 2, slope 7, and chip removal groove 5 form a reciprocating structure pencil sharpener. This new integrated structure There are independent blades 2, which have the functions of pencil sharpeners with two different structural forms. When using ordinary pencils, you can choose one of the sharpening methods; when using eyebrow pencils, you can use the reciprocating structure pencil sharpener to get the desired flat tip shape. Users can choose which form of pencil sharpening to use according to different requirements.

Claims (10)

1. A rotary reciprocating pencil sharpener, mainly composed of a base 1 and a blade 2, the middle part of the base 1 is provided with a truncated cone-shaped pencil sharpening hole 3, and the outer wall of the truncated cone-shaped pencil sharpening hole 3 is provided with an opening along the axial direction, and the opening A blade 2 is arranged on it, and its feature is: there is a chip removal groove 5 in the middle of the base 1, and a bevel groove 4 is arranged on the side base 1 in the axial direction of the truncated cone-shaped pencil sharpening hole 3, or a truncated cone-shaped pencil sharpener The opposite side of the hole 3 opening or the side base 1 is provided with an inclined plane 7, the horizontal direction of the inclined plane 7 axis is provided with an opening, the opening is provided with a blade 2, and the bottom surface of the inclined plane 7 or the inclined plane groove 4 has an angle with the blade 2. 2. A reciprocating rotary pencil sharpener according to claim 1, characterized in that: the base 1, the blade 2, and the frustum-shaped pencil sharpening hole 3 form a rotary structure and the base 1, the blade 2, the inclined plane 7 or the inclined plane The groove 4 and the chip removal groove 5 form a reciprocating structure integrated into one body, and the rotary structure and the reciprocating structure share a base 1 . 3. A reciprocating rotary pencil sharpener according to claim 1, characterized in that: the angle between the axial direction of the truncated cone-shaped pencil sharpening hole 3 and the axial direction of the bevel groove 4 is a right angle or an oblique angle. 4. A kind of reciprocating rotary pencil sharpener according to claim 1, characterized in that: the slope groove 4 is an open groove, or a closed geometric pattern hole, and the inner diameter of the hole is greater than the outer diameter of the pencil. 5. A kind of reciprocating rotary pencil sharpener according to claim 1, characterized in that: the inclined surface 7 is provided with an opening in the horizontal direction, a chip removal groove 5 is arranged, a blade 2 is arranged on the opening, and the inclined surface 7 and the blade 2 are connected. angle. 6. A kind of reciprocating rotary pencil sharpener according to claim 1, characterized in that: the outer blade 2 of the frustum-shaped pencil sharpening hole 3 or the blade 2 on the horizontal opening of the inclined plane 7 is fixedly connected to the base 1 on. 7. A kind of reciprocating rotary pencil sharpener according to claim 1, characterized in that: the angle between the opening provided in the horizontal direction of the inclined surface 7 and the axis of the inclined surface 7 is a right angle or an oblique angle. 8. A kind of reciprocating rotary pencil sharpener according to claim 1, characterized in that: the blade 2 is a straight plane or a curved surface, matching the shape of the inclined plane 7. 9. A kind of reciprocating rotary pencil sharpener according to claim 1, characterized in that: the bottom surface of the inclined groove 4 is a plane or a curved surface. 10. A kind of reciprocating rotary pencil sharpener according to claim 1, characterized in that: the inclined surface 7 is a plane or a curved surface, matching the shape of the blade 2.