CN217532350U - Chalk with multiple writing parts - Google Patents

Abstract

The utility model discloses a chalk with multiple writing parts, which comprises four planes and two inclined end faces, wherein the four planes are respectively parallel to each other in pairs, an arc transition edge is arranged between any two planes, and the two inclined end faces are respectively formed by enclosing the two ends of the four planes; and the top point formed by the intersection of any two adjacent edges and the arc transition edge is used as a writing part for writing. The utility model discloses have the portion of writing of 26 differences and can write out lines, the stroke of different thicknesses, be suitable for and write, the Tibetan typeface is write and the drawing between arbitrary conversion use at ordinary typeface, has solved the single technical problem of current chalk effect effectively.

Description

Chalk with multiple writing parts

Technical Field

The utility model relates to a teaching technical field especially relates to a many writing portion chalks, and this chalk specially adapted teaching is used.

Background

Chalks are widely used in daily life and are generally used for writing on blackboards. The existing chalks mainly comprise dustless chalks and water-soluble chalks, most of the chalks are round and truncated cone-shaped structures, but the chalks with the structures have the following technical problems:

firstly, the chalk is easy to roll off and break when placed on a plane substrate, and further chalk waste is caused.

Secondly, the strokes become thick along with the continuous abrasion of the chalk in the writing process, which is not beneficial to writing more uniform thin lines or thick lines and is not suitable for drawing lines with different thicknesses.

Thirdly, the chalk can only be used for writing at two ends, cannot meet the requirements of wide and flat characters or wide and flat lines, and is not suitable for writing Tibetan characters at the same time.

In order to solve the technical problems, people also improve the chalk, for example, patent document with publication number of CN2728778 discloses a chalk capable of improving the utilization rate, which is characterized in that the shape of the chalk is designed into a regular hexagonal prism, and the edges are in arc transition. The chalk is convenient to write, and the technical problems that the existing chalk is easy to roll and drop and lines are not uniform in writing are effectively solved. But actually, the chalk is still not suitable for wide and flat fonts, wide and flat/wide and flat line writing, thick and thin line painting and Tibetan font writing, that is, the effect of the chalk in the prior art is single so far, namely, no chalk which is suitable for writing in common fonts, can use different thick and thin line painting and can write Tibetan fonts at the same time is available.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned technical problem who exists among the prior art, provide a many writing portions chalk, the utility model discloses have 26 different writing portions and can write out lines, the stroke of different thicknesses, be suitable for to write at ordinary typeface, the Tibetan typeface is write and is converted the use wantonly between the drawing, has solved current chalk effect single technical problem effectively.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a chalk with multiple writing parts is characterized in that: the chalk comprises four planes and two inclined end faces, the four planes are parallel to each other in pairs, an arc-shaped transition edge is arranged between any two planes, and the two inclined end faces are formed by enclosing two ends of the four planes respectively; and the top point formed by the intersection of any two adjacent edges and the arc transition edge is used as a writing part for writing.

The two inclined end surfaces are parallel to each other.

The planes comprise two rectangular planes and two parallelogram planes, and the parallelogram comprises two parallel straight edges and two parallel bevel edges; the inclined end face is formed by enclosing end edges of a rectangular plane and inclined sides of a parallelogram.

The length and the width of the four planes are the same.

The width of two parallel planes in the four planes is larger than the width of the other two parallel planes.

The inclination of the inclined end face is 1-15 degrees.

The chalk is 6-10cm long, 0.5-5cm wide and 0.5-1cm thick.

Adopt the utility model has the advantages of:

1. the chalk includes four planes, two tilt end faces and sets up the arc transition limit between arbitrary two planes, adopts the chalk of this structure, enables edge, two arbitrary adjacent edges between tilt end face, the tilt end face and an arbitrary plane and the summit that the arc transition limit intersects and forms all writes as writing the portion. Particularly, the utility model discloses can form 26 writing portions altogether, be respectively: two inclined end surfaces total 2 writing portions, four planes total 4 writing portions, two inclined end surfaces respectively and four edges between the planes total 8 writing portions, four arc transition edges total 4 writing portions, and any two adjacent edges and eight vertexes formed by intersecting the arc transition edges total 8 writing portions. According to the structural characteristics of the chalk, the 26 different writing parts can write lines and strokes with different thicknesses, so that the chalk is favorable for being randomly converted and used among common font writing, tibetan font writing and drawing, and the technical problem of single function of the existing chalk is effectively solved. Generally, the utility model discloses the lines that multiple thickness differs can be write to the single-stroke multiaspect, can satisfy required lines diversity demands such as various few nationality characters such as chinese character art word, tibetan typeface, drawing.

Additionally, the utility model discloses set up arc transition limit between two arbitrary planes, be about to carry out the circular arc transition setting between two arbitrary planes, compare in the structure that does not set up arc transition limit, adopt this arc transition limit still to have material saving, the durability is better, write the more even advantage of stroke.

2. The utility model discloses set up two tilt end face into being parallel to each other, its advantage lies in that can satisfy arbitrary which end in both ends can both write out same painting and calligraphy function, avoids the end of writing of consciously discerning to reach and hold a convenient effect that can write.

3. The utility model discloses well four planar length and width both can set up to the homogeneous phase, also can set up to the difference, and it can design out different specification models, and then is favorable to satisfying different actual demands.

4. The utility model discloses set up the gradient of tilt end face into 1-15 degrees, wherein, the design advantage of the slope writing surface about 1-15 degrees embodies on the stroke and the drawing lines collude the drawing of special typeface (minority nationality typeface, art work word, foreign language word), and the aspect of appearing of the upper and lower wave of especially some wide plain lines can accomplish under the condition that the pen was held just tie in the people's hand, just can be very natural the wave effect that presents the ideal. The special structure of the lines is realized without coordination of hand joints and other joints of the body, so that the effects of stroke simplification and stroke beauty are realized. In addition, the inclination of 1-15 degrees also particularly meets the traditional requirement of the character head writing of Tibetan characters, plays a vital role in the inheritance and development of traditional culture and also meets the national protection policy on national minority culture.

5. The utility model discloses set up the length of chalk to 6-10cm, the width sets up to 0.5-5cm, and thickness sets up to 0.5-1cm, and quality problems such as travelling comfort and durability in the use of chalk have been guaranteed to this specific setting, provide convenient guarantee for use earlier stage such as packing, transportation and depositing simultaneously. Meanwhile, the practical range of the product is greatly improved, and then a plurality of fonts and pictures with different sizes can be written conveniently.

Drawings

FIG. 1 is a schematic front view of a rectangular chalk;

FIG. 2 is a rear view of the structure of FIG. 1;

FIG. 3 is a schematic top view of the structure of FIG. 1;

FIG. 4 is a schematic bottom view of the structure of FIG. 1;

FIG. 5 is a schematic perspective view of FIG. 1;

FIG. 6 is a schematic structural diagram of a chalk with a square cross section;

FIG. 7 is a rear view of the structure of FIG. 6;

FIG. 8 is a schematic top view of the structure of FIG. 6;

FIG. 9 is a bottom view of the structure of FIG. 6;

fig. 10 is a schematic perspective view of fig. 6.

Fig. 11 to 15 show the writing effect of each writing part.

The mark in the figure is: 1. plane, 2, inclined end face, 3, arc transition edge, 4, edge, 5 and vertex.

Detailed Description

Example 1

The present embodiment discloses a multi-writing portion chalk which includes four flat surfaces 1 and two inclined end surfaces 2. Wherein, four planes 1 are two liang of mutual parallels respectively, and is equipped with arc transition limit 3 between two arbitrary planes 1. Two inclined end surfaces 2 are enclosed by the both ends of four planes 1 respectively and close and form, and two inclined end surfaces 2 both can be parallel to each other, also can be mutual symmetry, specifically according to the corresponding setting of actual demand. And the inclined end face 2, the edge 4 between the inclined end face 2 and any one plane 1, and the vertex 5 formed by the intersection of any two adjacent edges 4 and the arc transition edge 3 in the chalk are all used as writing parts for writing.

The length of the chalk can be 6-10cm, the width can be 0.5-5cm, and the thickness can be 0.5-1cm. In fact, the specific parameters of the chalk can be set according to the age of the user, for example, the width and thickness of the chalk can be larger for the students of lower grades, and the width and thickness of the chalk can be reduced correspondingly as the grade increases. Of course, the specific parameters are set according to actual requirements.

In the present embodiment, the chalk having the above-described specific structure can form 26 writing portions in total, which are:

1. the two inclined end surfaces 2 can be respectively used as 2 writing parts, and the 2 writing parts can write lines and strokes with the same size as the inclined end surfaces 2, and the effect is shown in fig. 11.

2. The four planes 1 can be respectively used as 4 writing parts, and the 4 writing parts can write lines and strokes with the same size as the four planes 1, and the writing effect is shown in fig. 12.

3. The two inclined end surfaces 2 and the four planes 1 respectively have 8 seamed edges 4 which can be respectively used as 8 writing parts, the 8 writing parts can write transversely, vertically and obliquely, lines and strokes with different thicknesses can be written specifically, and the writing effect is shown in figure 13.

4. The four arc-shaped transition edges 3 can be respectively used as 4 writing parts, the 4 writing parts can write lines and strokes with the same length as the four arc-shaped transition edges 3, and the writing effect is shown in fig. 14.

5. Eight vertexes 5 formed by intersecting any two adjacent edges 4 and the arc-shaped transition edge 3 are 8 writing parts in total, the 8 writing parts can write thin lines and strokes, and the writing effect is shown in fig. 15.

Comprehensively, the embodiment can write lines and strokes with different thicknesses, can write in common fonts (regular fonts, song-style fonts and black bodies), can write in Tibetan fonts and can be used by being converted randomly among the drawings, achieves the requirement of one pen for multiple purposes, and effectively solves the technical problem that the existing chalk is single in function.

Example 2

This embodiment discloses a chalk with multiple writing parts, as shown in fig. 1-5, in this embodiment, on the basis of embodiment 1, the width of two parallel planes 1 in four planes 1 is set to be larger than the width of the other two parallel planes 1, so that the cross section of the chalk is in a rectangular structure.

Example 3

This embodiment discloses a multi-writing section chalk, and as shown in fig. 6 to 10, this embodiment is based on embodiment 1, and the length and width of four planes 1 are set to be the same, so that the cross section of the chalk is a square structure.

Example 4

The present embodiment further defines the two inclined end surfaces 2 on the basis of any one of embodiments 1 to 3. As shown in fig. 1 to 10, the present embodiment preferably arranges the two inclined end faces 2 in parallel with each other. The inclined end face 2 is formed in the following manner: the four planes 1 comprise two rectangular planes 1 and two parallelogram planes 1, and each parallelogram comprises two parallel straight edges and two parallel inclined edges, namely the parallelogram is not rectangular; the inclined end face 2 is thus formed by the end edges of the rectangular plane 1 (the short sides of the two ends of the rectangular plane 1) and the hypotenuse of the parallelogram.

Example 5

On the basis of any of embodiments 1 to 4, this embodiment defines the inclination of the inclined end face 2 to be 1 to 15 degrees, and preferably the inclination of the inclined end face 2 to be 10 degrees. It should be noted that the effect of the specific inclination is embodied in the way that the strokes and the drawing lines of special fonts (minority nationality fonts, art-designing fonts and foreign languages) are drawn, and especially, under the condition that the upper waves and the lower waves of some wide and flat lines can be displayed by hands, ideal wave effects can be displayed naturally by the inclination design of the pen point. The special structure of the lines is realized without the coordination of hand joints and other joints of the body, so that the effects of simplifying strokes and beautifying the stroke are realized.

The foregoing is directed to embodiments of the present invention, and any feature disclosed in this specification may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise; all of the disclosed features, or all of the method or process steps, may be combined in any combination, except mutually exclusive features and/or steps.

Claims (7)

1. A chalk with multiple writing parts is characterized in that: the chalk comprises four planes (1) and two inclined end faces (2), the four planes (1) are parallel to each other pairwise, an arc transition edge (3) is arranged between any two planes (1), and the two inclined end faces (2) are formed by enclosing two ends of the four planes (1) respectively; the chalk is characterized in that the inclined end face (2) in the chalk, the edge (4) between the inclined end face (2) and any one plane (1), and a vertex (5) formed by intersecting any two adjacent edges (4) and the arc transition edge (3) are used as writing parts for writing.

2. The chalk with multiple writing parts as defined in claim 1, wherein: the two inclined end surfaces (2) are parallel to each other.

3. A multi-writing section chalk as defined in claim 2, wherein: the plane (1) comprises two rectangular planes (1) and two parallelogram planes (1), wherein each parallelogram comprises two parallel straight edges and two parallel bevel edges; the inclined end face (2) is formed by enclosing the end edge of the rectangular plane (1) and the oblique side of the parallelogram.

4. A multi-writing section chalk according to any one of claims 1-3, characterized in that: the length and the width of the four planes (1) are the same.

5. A multi-writing section chalk according to any one of claims 1-3, characterized in that: the width of two parallel planes (1) in the four planes (1) is larger than the width of the other two parallel planes (1).

6. A multi-writing section chalk as defined in claim 1, wherein: the inclination of the inclined end face (2) is 1-15 degrees.

7. A multi-writing section chalk as defined in claim 1, wherein: the chalk is 6-10cm long, 0.5-5cm wide and 0.5-1cm thick.

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