CN202439449U

CN202439449U - Rapid marking tool for blackboard-writing

Info

Publication number: CN202439449U
Application number: CN2012200742099U
Authority: CN
Inventors: 袁小敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-03-02
Filing date: 2012-03-02
Publication date: 2012-09-19
Anticipated expiration: 2022-03-02

Abstract

The utility model provides a rapid marking tool for blackboard-writing, belonging to the field of teaching aids. The rapid marking tool for blackboard-writing structurally comprises two connecting arms, wherein the upper end parts of the two connecting arms are fixed in a fixed frame through a rotating shaft; the surface of the fixed frame is semicircular; the connecting arms can rotate around a semicircle of the fixed frame; the lower end of the fixed frame is flexibly fixed with a chalk sleeve through fixing nails; and the connecting arms are mutually located through a locating rack. Compared with the prior art, the rapid marking tool for blackboard-writing, disclosed by the utility model, has the advantages of rational design, a simple structure, use convenience and the like; lines drawn by using the rapid marking tool are uniform, straight, normative, slender, smooth and beautiful; and the rapid marking tool for blackboard-writing is widely applied.

Description

Quick scoring tool is used in writing on the blackboard

Technical field

The utility model relates to a kind of teaching aid, the quick scoring tool that a kind of specifically teacher's of confession writing on the blackboard is used.

Background technology

At present in teaching; Especially the teaching of English, the normalized written property of word and letter is an important step of often stressing, in order to instruct writing of student's standard English alphabet and word; The English Instructor often will draw the guidance of four lines, three lattice and write on blackboard; But in writing on the blackboard, need the English Instructor to adopt ruler and chalk to draw the drafting that single line is accomplished four line lattice one by one, but the speed of line is too slow like this, and wastes time and energy by measuring good spacing; Be difficult to reach code requirement, have a strong impact on quality of instruction.

Summary of the invention

The technical assignment of the utility model is the deficiency that solves prior art, the quick scoring tool that provides a kind of teacher's of confession writing on the blackboard to use.

The technical scheme of the utility model realizes by following mode:

Quick scoring tool is used in writing on the blackboard; Its structure comprises two linking arms; The upper end of said two linking arms is fixed in the fixed mount through rotating shaft, and the surface of this fixed mount is semicircle shape, and linking arm can rotate around the semi arch of fixed mount; Locate through the location tooth bar between the above-mentioned linking arm through the active chalk sleeve that is fixed with of staple each other the bottom of said fixed mount.

The top of said fixed mount is provided with a hand holding handle.

The beneficial effect that the utility model is compared with prior art produced is:

The writing on the blackboard of the utility model with quick scoring tool have simple in structure, easy to use, characteristics such as be skillfully constructed; Be designed with two chalk sleeves; Teacher's parallel lines that can draw very easily like this, arbitrary chalk sleeve of this scoring tool can use separately simultaneously, makes things convenient for teacher's writing on the blackboard; Be widely used, except that described English teaching, also applicable to language teaching etc.; Practice thrift chalk, improve the utilization rate of chalk, and cheap for manufacturing cost.

Description of drawings

Accompanying drawing 1 is the structural representation of the utility model.

Mark in the accompanying drawing is represented respectively:

1, hand holding handle, 2, rotating shaft, 3, linking arm, 4, staple, 5, chalk sleeve, 6, the location tooth bar, 7, fixed mount.

The specific embodiment

Below in conjunction with accompanying drawing the writing on the blackboard of the utility model is done following the detailed description with quick scoring tool.

Shown in accompanying drawing 1, quick scoring tool is used in this writing on the blackboard, and its structure comprises two linking arms 3; The upper end of said two linking arms 3 is fixed in the fixed mount 7 through rotating shaft 2; The surface of this fixed mount 7 is semicircle shape, and linking arm 3 can rotate around the semi arch of fixed mount 7, and the bottom of said fixed mount 7 is through the staple 4 active chalk sleeves 5 that are fixed with; Guarantee between two chalk sleeves 5 parallel, between the above-mentioned linking arm 3 through the location tooth bar 6 locate each other.

The top of said fixed mount 7 is provided with a hand holding handle 1.

Claims

1. quick scoring tool is used in writing on the blackboard; Its structure comprises two linking arms, it is characterized in that, the upper end of said two linking arms is fixed in the fixed mount through rotating shaft; The surface of this fixed mount is semicircle shape; Linking arm can rotate around the semi arch of fixed mount, and locate through the location tooth bar between the above-mentioned linking arm through the active chalk sleeve that is fixed with of staple each other the bottom of said fixed mount.

2. quick scoring tool is used in writing on the blackboard according to claim 1, it is characterized in that, the top of said fixed mount is provided with a hand holding handle.