CN205997591U - A kind of College Mathematics Teaching compasses combined with ruler - Google Patents
A kind of College Mathematics Teaching compasses combined with ruler Download PDFInfo
- Publication number
- CN205997591U CN205997591U CN201620743539.0U CN201620743539U CN205997591U CN 205997591 U CN205997591 U CN 205997591U CN 201620743539 U CN201620743539 U CN 201620743539U CN 205997591 U CN205997591 U CN 205997591U
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- compasses
- compass foot
- blade
- foot
- combined
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Abstract
The utility model discloses a kind of College Mathematics Teaching compasses combined with ruler, including compasses support, first rotating shaft, the first compass foot, compasses handle, rectangular recess, blade, the second rotating shaft, compasses point, locking knob, the second compass foot, chalk；Compared with prior art, the beneficial effects of the utility model are a kind of this College Mathematics Teaching compasses combined with rulers, solve in prior art compasses combined with ruler single function and think that two circles of picture will repeat the trouble of picture, this product is passed through the card of blade and compass foot and is defined a set square, one compass foot is added on compass foot, makes teacher can once draw two circles, and this product structure is simple, easy to operate, practical.
Description
Technical field
This utility model is related to teaching field, specially a kind of College Mathematics Teaching compasses combined with ruler.
Background technology
Currently known compasses combined with ruler is sharp, little by nib, rotating shaft, compasses supporting leg, lattice chi, folding, handwriting, nib, compasses
Ear is constituted, and the lower end insertion of its nib is connected to the upper end of handwriting, and the lower end of handwriting is threaded in the upper end of nib, little
The concordant end of ear is welded in the middle of the outside of compasses supporting leg, and the lower end clamping of compasses supporting leg is connected to the upper end of compasses point.
Existing compasses combined with ruler function is excessively single, can only carry out picture circle and measurement distance, in the epoch of this diversification, this
Kind of compasses combined with ruler is not can keep up to date, and compasses combined with ruler once can only draw a circle, thinks two concentric circulars of picture, needs to repeat picture
Excessively bother.
Content of the invention
The purpose of this utility model is to provide a kind of College Mathematics Teaching compasses combined with ruler, to solve in above-mentioned background technology
The problem proposing.
For solving above-mentioned technical problem, the technical scheme that this utility model adopts is：A kind of College Mathematics Teaching is used
Compasses combined with ruler, including compasses support, first rotating shaft, the first compass foot, compasses handle, rectangular recess, blade, the second rotating shaft, compasses
Point, locking knob, the second compass foot, chalk, described compasses support is hinged with the first compass foot by first rotating shaft, and compasses prop up
Frame top is connected with compasses handle, and described compasses support and compasses handle are integrated part, have rectangle recessed inside described compasses support
Groove, is provided with blade and the second rotating shaft in described rectangular recess, described blade afterbody passes through the second rotating shaft and compasses support is hinged,
Described blade bottom is provided with compasses point, and described first compass foot bottom inside has groove, described first compasses foot bottom
It is provided with the second compass foot, described second compass foot is threadeded with the first compass foot by locking knob, institute in the groove of inner side
State the first compass foot and the second compasses foot plate surface has circular groove.
Further, described blade head is provided with projection.
Further, described first compasses foot bottom has the draw-in groove matching with blade upper protruding block.
Further, scale is all carved with described compasses support, the first compass foot and blade surface.
Further, described first compasses foot plate surface has circular groove and the circle that the second compasses foot plate surface has are recessed
It is respectively equipped with chalk sleeve in groove.
Compared with prior art, the beneficial effects of the utility model are a kind of this College Mathematics Teaching compasses combined with rulers, solve
Compasses combined with ruler single function and think that two circles of picture will repeat the trouble of picture in prior art, this product passes through blade and compass foot
Card and define a set square, a compass foot is added on compass foot, makes teacher can once draw two circles, and this product
Product structure is simple, easy to operate, practical.
Brief description
Fig. 1 is this utility model whole structure figure；
Fig. 2 is this utility model whole structure figure；
Fig. 3 is this utility model top view；
In figure：1st, compasses support, 2, first rotating shaft, the 3, first compass foot, 4, compasses handle, 5, rectangular recess, 6, blade,
7th, the second rotating shaft, 8, compasses point, 9, locking knob, the 10, second compass foot, 11, chalk.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment, based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
As shown in Fig. 1 ~ 3, a kind of College Mathematics Teaching compasses combined with ruler, including inclusion compasses support 1, first rotating shaft 2, first
Compass foot 3, compasses handle 4, rectangular recess 5, blade 6, the second rotating shaft 7, compasses point 8, locking knob 9, the second compass foot 10,
Chalk 11, described compasses support 1 is hinged with the first compass foot 2 by first rotating shaft 2, can prop up the first compass foot 3 and compasses
Frame 1 recalls the angle of the different number of degrees, and compasses support 1 top is connected with compasses handle 4, and described compasses support 1 and compasses handle 4 are one
Body part, gives hand holding power by compasses handle 4, has rectangular recess 5 inside described compasses support 1, described rectangle is recessed
It is provided with blade 6 and the second rotating shaft 7, described blade 6 afterbody passes through the second rotating shaft 7 and compasses support 1 is hinged, described blade 6 in groove 5
Bottom is provided with compasses point 8, when wanting using compasses, blade 6 is placed in rectangular recess 5, when wanting using set square, just will
Blade 6 is taken out block with the first compass foot 3 and, described first compass foot 3 bottom inside has groove, described first compasses
It is provided with the second compass foot 10, described second compass foot 10 passes through locking knob 9 and the first compass foot in the groove of foot 3 bottom inside
3 is threaded, can be taken out the second compass foot 10 by adjusting locking knob 9, and can adjust and angle formed by the first compass foot 3
Degree, described first compass foot 3 and the second compass foot 10 bottom surface have circular groove, and described blade 6 head is provided with projection, institute
State the first compass foot 2 bottom and have the draw-in groove matching with blade 6 upper protruding block, by the projection of blade 6 and the first compass foot 2
Draw-in groove mutually blocks and blade 6 can be fixed on the first compass foot 2, described compasses support 1, the first compass foot 3 and blade 6
Graduation apparatus, the circular groove that described first compass foot 3 bottom surface has and the circle that the second compass foot 10 bottom surface has all are carved with surface
It is respectively equipped with chalk sleeve in connected in star.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, this practicality can be realized in other specific forms new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, this practicality is new
The scope of type is limited by claims rather than described above, it is intended that the containing of equivalency that will fall in claim
All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as limiting
Involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (5)
1. a kind of College Mathematics Teaching compasses combined with ruler, including compasses support（1）, first rotating shaft（2）, the first compass foot（3）, compasses
Handle（4）, rectangular recess（5）, blade（6）, the second rotating shaft（7）, compasses point（8）, locking knob（9）, the second compass foot（10）、
Chalk（11）It is characterised in that：Described compasses support（1）By first rotating shaft（2）With the first compass foot（3）Hinged, and compasses
Support（1）Top and compasses handle（4）Connect, described compasses support（1）With compasses handle（4）It is integrated part, described compasses support（1）
Inner side has rectangular recess（5）, described rectangular recess（5）Inside it is provided with blade（6）With the second rotating shaft（7）, described blade（6）
Afterbody passes through the second rotating shaft（7）With compasses support（1）Hinged, described blade（6）Bottom is provided with compasses point（8）, described first circle
Regulation foot（3）Bottom inside has groove, described first compass foot（3）It is provided with the second compass foot in the groove of bottom inside（10）,
Described second compass foot（10）By locking knob（9）With the first compass foot（3）Threaded, described first compass foot（3）With
Second compass foot（10）Bottom surface has circular groove.
2. a kind of College Mathematics Teaching compasses combined with ruler according to claim 1 it is characterised in that：Described blade（6）Head
Portion is provided with projection.
3. a kind of College Mathematics Teaching compasses combined with ruler according to claim 1 it is characterised in that：Described first compass foot
(3) bottom has and blade（6）The draw-in groove that upper protruding block matches.
4. a kind of College Mathematics Teaching compasses combined with ruler according to claim 1 it is characterised in that：Described compasses support
（1）, the first compass foot（3）And blade（6）Graduation apparatus is all carved with surface.
5. a kind of College Mathematics Teaching compasses combined with ruler according to claim 1 it is characterised in that：Described first compass foot
（3）Circular groove and the second compass foot that bottom surface has（10）It is respectively equipped with chalk sleeve in the circular groove that bottom surface has.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620743539.0U CN205997591U (en) | 2016-07-15 | 2016-07-15 | A kind of College Mathematics Teaching compasses combined with ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620743539.0U CN205997591U (en) | 2016-07-15 | 2016-07-15 | A kind of College Mathematics Teaching compasses combined with ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205997591U true CN205997591U (en) | 2017-03-08 |
Family
ID=58201902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620743539.0U Expired - Fee Related CN205997591U (en) | 2016-07-15 | 2016-07-15 | A kind of College Mathematics Teaching compasses combined with ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205997591U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107599691A (en) * | 2017-09-04 | 2018-01-19 | 安徽信息工程学院 | Multifunctional compass |
-
2016
- 2016-07-15 CN CN201620743539.0U patent/CN205997591U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107599691A (en) * | 2017-09-04 | 2018-01-19 | 安徽信息工程学院 | Multifunctional compass |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20170715 |