CN202923225U - Novel mathematics teaching aid - Google Patents
Novel mathematics teaching aid Download PDFInfo
- Publication number
- CN202923225U CN202923225U CN 201220639448 CN201220639448U CN202923225U CN 202923225 U CN202923225 U CN 202923225U CN 201220639448 CN201220639448 CN 201220639448 CN 201220639448 U CN201220639448 U CN 201220639448U CN 202923225 U CN202923225 U CN 202923225U
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- CN
- China
- Prior art keywords
- teaching aid
- compasses
- set square
- protractor
- turning cylinder
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a novel mathematics teaching aid, and relates to a teaching aid. The novel mathematics teaching aid comprises a set square teaching aid, wherein a handle is arranged in a triangular hole of the set square teaching aid; and a silicon rubber case is in sleeve connection with the handle. The novel mathematics teaching aid further comprises a compasses teaching aid, wherein the compasses teaching aid comprises a compasses fixed rod and a compasses rotating rod; the end part of one end of the compasses fixed rod is connected with the end part of one end of the compasses rotating rod through a rotating shaft; L-shaped chutes are arranged in positions on the surface of the set square teaching aid near the two right-angular edges; the rotating shaft of the compasses teaching aid is connected to the L-shaped chute in a sliding way; a protractor teaching aid is arranged on the compasses fixed rod; and the original point of the protractor teaching aid is coincident with the rotating shaft. The novel mathematics teaching aid is simple in structure, and convenient to use; the novel mathematics teaching aid integrates functions of various teaching aids; and through the novel mathematics teaching aid, the workload of teachers is reduced, the teaching time is saved, and the novel mathematics teaching aid has excellent practicability.
Description
Technical field
The utility model relates to a kind of teaching aid, relates in particular to a kind of Novel mathematical teaching aid.
Background technology
At present; the teacher is in the mathematical education process; often use teaching aid to map on blackboard; especially in the geometric construction presentation process, usually can use set square teaching aid, compass teaching aid and protractor teaching aid etc., existing these teaching aid individualisms; relatively disperse; need when the teacher maps to change back and forth, wasted valuable instructional blocks of time, and greatly increased teacher's workload.
The utility model content
For the problem that above-mentioned prior art exists, the utility model provides a kind of Novel mathematical teaching aid, and is simple in structure, easy to use, gathered the function of several teaching aids, reduced teacher's workload, saved instructional blocks of time, has good practicality.
the technical solution of the utility model is: a kind of Novel mathematical teaching aid, comprise the set square teaching aid, be provided with handle in the delthyrium of described set square teaching aid, be socketed with silica gel sheath on described handle, also comprise a compass teaching aid, described compass teaching aid comprises compasses fixed pole and compasses bull stick, a described compasses fixed pole wherein end end wherein is connected an end end by turning cylinder and compasses bull stick, set square teaching aid surface is provided with L shaped chute near the position of two right-angle sides, the turning cylinder of compass teaching aid is slidably connected in L shaped chute, be provided with the protractor teaching aid on the compasses fixed pole, the initial point of described protractor teaching aid overlaps with turning cylinder.
As preferably, the compasses fixed pole is provided with sucker away from an end of turning cylinder, and the compasses bull stick is provided with the chalk slot away from an end of turning cylinder.
As preferably, described protractor teaching aid is the semicircle annular, is provided with angle index on it.
the beneficial effects of the utility model are: the utility model is simple in structure, gathered the triangle teaching aid, the function of compass teaching aid and protractor teaching aid, after being closed up, can use as set square separately by the compasses bull stick, after being launched, can use as compasses and protractor respectively by the compasses bull stick, and the rule of compasses bull stick as protractor can be used, compass teaching aid can slide in L shaped chute by turning cylinder, the initial point of protractor teaching aid overlaps with turning cylinder, set square teaching aid and compasses bull stick can be used in conjunction with simultaneously as Scale ruler and protractor teaching aid, easy to use, reduced teacher workload, saved instructional blocks of time, has good practicality.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
As a kind of embodiment of the present utility model, as shown in Figure 1, a kind of Novel mathematical teaching aid, comprise set square teaching aid 1, be provided with handle 2 in the delthyrium of described set square teaching aid 1, be socketed with silica gel sheath 10 on described handle 2, silica gel sheath 10 is soft, the convenient gripping, and with the human body Long Term Contact, nontoxic, harmless.Also comprise a compass teaching aid, described compass teaching aid comprises compasses fixed pole 4 and compasses bull stick 6, described compasses fixed pole 4 a wherein end end wherein is connected an end end by turning cylinder 9 and compasses bull stick 6, set square teaching aid 1 surface is provided with L shaped chute 3 near the position of two right-angle sides, the turning cylinder 9 of compass teaching aid is slidably connected in L shaped chute 3, be provided with protractor teaching aid 8 on compasses fixed pole 4, the initial point of described protractor teaching aid 8 overlaps with turning cylinder 9.
In the present embodiment, as preferably, compasses fixed pole 4 is provided with sucker 5 away from an end of turning cylinder 9, and compasses bull stick 6 is provided with chalk slot 7 away from an end of turning cylinder 9.
In the present embodiment, as preferably, described protractor teaching aid 8 is the semicircle annular, is provided with angle index on it.
When using the utility model, after being closed up, can use as set square separately by compasses bull stick 6, after being launched, can use as compasses and protractor respectively by compasses bull stick 6, and the rule of compasses bull stick 6 as protractor can be used, compass teaching aid can be in the interior slip of L shaped chute 3 by turning cylinder 9, the initial point of protractor teaching aid 8 overlaps with turning cylinder 9, set square teaching aid 1 and compasses bull stick 6 can be used in conjunction with simultaneously as Scale ruler and protractor teaching aid 8, easy to use, reduced teacher workload, save instructional blocks of time, had good practicality.
Above a kind of Novel mathematical teaching aid provided by the utility model has been carried out detailed introduction, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.To be possible to change of the present utility model and improvement, and can not exceed design and the scope that accessory claim can be stipulated.
Claims (3)
1. Novel mathematical teaching aid, comprise the set square teaching aid, be provided with handle in the delthyrium of described set square teaching aid, it is characterized in that: be socketed with silica gel sheath on described handle, also comprise a compass teaching aid, described compass teaching aid comprises compasses fixed pole and compasses bull stick, a described compasses fixed pole wherein end end wherein is connected an end end by turning cylinder and compasses bull stick, set square teaching aid surface is provided with L shaped chute near the position of two right-angle sides, the turning cylinder of compass teaching aid is slidably connected in L shaped chute, be provided with the protractor teaching aid on the compasses fixed pole, the initial point of described protractor teaching aid overlaps with turning cylinder.
2. Novel mathematical teaching aid according to claim 1, it is characterized in that: the compasses fixed pole is provided with sucker away from an end of turning cylinder, and the compasses bull stick is provided with the chalk slot away from an end of turning cylinder.
3. Novel mathematical teaching aid according to claim 1 and 2 is characterized in that: described protractor teaching aid is the semicircle annular, is provided with angle index on it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220639448 CN202923225U (en) | 2012-11-28 | 2012-11-28 | Novel mathematics teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220639448 CN202923225U (en) | 2012-11-28 | 2012-11-28 | Novel mathematics teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202923225U true CN202923225U (en) | 2013-05-08 |
Family
ID=48213219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220639448 Expired - Fee Related CN202923225U (en) | 2012-11-28 | 2012-11-28 | Novel mathematics teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202923225U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999833A (en) * | 2015-06-30 | 2015-10-28 | 南阳理工学院 | Drawing tool for mathematics teaching |
| CN108099450A (en) * | 2017-12-15 | 2018-06-01 | 广东五月花网络科技有限公司 | A kind of multifunctional teaching ruler |
-
2012
- 2012-11-28 CN CN 201220639448 patent/CN202923225U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999833A (en) * | 2015-06-30 | 2015-10-28 | 南阳理工学院 | Drawing tool for mathematics teaching |
| CN108099450A (en) * | 2017-12-15 | 2018-06-01 | 广东五月花网络科技有限公司 | A kind of multifunctional teaching ruler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20131128 |