CN104626828A - Compasses for simple teaching - Google Patents
Compasses for simple teaching Download PDFInfo
- Publication number
- CN104626828A CN104626828A CN201310543303.3A CN201310543303A CN104626828A CN 104626828 A CN104626828 A CN 104626828A CN 201310543303 A CN201310543303 A CN 201310543303A CN 104626828 A CN104626828 A CN 104626828A
- Authority
- CN
- China
- Prior art keywords
- compasses
- gauge bar
- teaching
- simple teaching
- upper ends
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L9/00—Circular curve-drawing or like instruments
- B43L9/02—Compasses
- B43L9/04—Beam compasses
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The invention provides compasses for simple teaching. The upper ends of two simple legs of the compasses for teaching use are flexibly connected by a hinge axle, the lower end of one leg is connected with a suction cup by a universal ball, and the lower end of the other leg is provided with a drawing head. The compasses are simple in structure and very convenient to use, and can be fixed on a blackboard by the suction cup.
Description
Technical field
The present invention relates to a kind of compasses, specifically a kind of simple teaching compasses.
Background technology
The compasses that teacher is used at school, be generally the special compasses that wood materials makes, in use, be metal owing to determining pin, gauge bar is wooden to this compasses, and neither handled easily also can cause damage to blackboard, and meanwhile, gauge bar also easily damages.
Summary of the invention
The invention provides a kind of simple teaching compasses, convenient and practical, and damage can not be caused to blackboard.
The present invention includes the gauge bar of compasses, the technical scheme adopted is: for imparting knowledge to students, the compasses used are flexibly connected by hinge two easy gauge bar upper ends, the lower end of one of them gauge bar is connected with a sucker by multi-directional ball, and picture head is equipped with in the lower end of another gauge bar.
Beneficial effect of the present invention is: by above-mentioned so a kind of structure, because overall simple is practical, is suitable as very much teaching aid and uses, by sucker, compasses are fixed on the mapping of blackboard upper drawing circle.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Shown in Fig. 1: for imparting knowledge to students, the compasses used are flexibly connected by hinge 2 two easy gauge bar 1 upper ends, and the lower end of one of them gauge bar 1 is connected with a sucker 3 by multi-directional ball, and picture head 4 is equipped with in the lower end of another gauge bar 1.
Claims (1)
1. simple teaching compasses, comprise the gauge bar (1) of compasses, it is characterized in that: the compasses used for imparting knowledge to students are flexibly connected by hinge (2) two easy gauge bar (1) upper ends, the lower end of one of them gauge bar (1) is connected with a sucker (3) by multi-directional ball, and picture head (4) is equipped with in the lower end of another gauge bar (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310543303.3A CN104626828A (en) | 2013-11-06 | 2013-11-06 | Compasses for simple teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310543303.3A CN104626828A (en) | 2013-11-06 | 2013-11-06 | Compasses for simple teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104626828A true CN104626828A (en) | 2015-05-20 |
Family
ID=53206256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310543303.3A Pending CN104626828A (en) | 2013-11-06 | 2013-11-06 | Compasses for simple teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104626828A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022136158A1 (en) * | 2020-12-21 | 2022-06-30 | Intertech Zeichengeräte GmbH | Compass |
-
2013
- 2013-11-06 CN CN201310543303.3A patent/CN104626828A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022136158A1 (en) * | 2020-12-21 | 2022-06-30 | Intertech Zeichengeräte GmbH | Compass |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150520 |