CN206426726U - A kind of multifunctional mathmatical mapping compasses - Google Patents
A kind of multifunctional mathmatical mapping compasses Download PDFInfo
- Publication number
- CN206426726U CN206426726U CN201621263623.9U CN201621263623U CN206426726U CN 206426726 U CN206426726 U CN 206426726U CN 201621263623 U CN201621263623 U CN 201621263623U CN 206426726 U CN206426726 U CN 206426726U
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- China
- Prior art keywords
- compasses
- rotation
- supporting leg
- mapping
- protractor
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Abstract
The utility model discloses a kind of multifunctional mathmatical mapping compasses, including rotation cohesive frame, rotating shaft, Collapsible protractor and rotary folding chi, the rotation cohesive frame upper end is provided with rotating shaft, and it is inlaid with regulation gear in the middle of rotation cohesive frame, linking has supporting leg in the middle of the regulation gear, and supporting leg left end end is provided with compasses point, the sharp bottom of the compasses is provided with movable connecting rod, end connecting spring on its movable connecting rod, and movable connecting rod lower end is provided with steel ball, the supporting leg right end is provided with nib, and pen tip interior is provided with pen core and got stuck, the pen core gets stuck to be connected by adjustable diameter and screw adjusting axle, and adjustable diameter and screw adjusting axle outer end is equiped with spiral and emitted.Multifunctional mathmatical mapping compasses add Collapsible protractor by the rotation cohesive frame in compasses, it, when drawing circular arc, can be easy to measure the angle of circular arc, Collapsible protractor upper end is also inlaid with graduated scale, it is easy to measure the radius of circle during mapping, improves the efficiency of student's mapping.
Description
Technical field
The utility model is related to mathematic(al) construction equipment technical field, specially a kind of multifunctional mathmatical mapping compasses.
Background technology
Compasses are a kind of instruments for helping user to draw circle.The need for mathematic(al) construction, when we are mappings, draw by hand
The circle that circle tends not to enough draw specification comes out, it is therefore desirable to carry out picture circle by compasses.
Compasses currently on the market are typically all that one supporting leg is as pillar, another supporting leg using the supporting leg fixed
Rotate about motionless pillar and draw circle.But existing compasses need first to measure round radius before mapping, need again by straight
Chi is measured；When drawing circular arc, when if desired measuring the angle of circular arc, it is also necessary to measured by protractor, cause student to make
, it is necessary to using multiple types of tools, bother very much during figure.
Utility model content
The purpose of this utility model is to provide a kind of multifunctional mathmatical mapping compasses, to solve to carry in above-mentioned background technology
The problem of existing calipers function gone out is single.
To achieve the above object, the following technical scheme of the utility model offer, a kind of multifunctional mathmatical mapping compasses, including
Rotation cohesive frame, rotating shaft, regulation gear, supporting leg, compasses point, movable connecting rod, spring, steel ball, nib, pen core get stuck, spiral
Adjustment axis, spiral emit, Collapsible protractor and rotary folding chi, and the rotation cohesive frame upper end is provided with rotating shaft, its rotating shaft and rotation
Turn cohesive frame for overall structure, and regulation gear be inlaid with the middle of rotation cohesive frame, regulation gear centre linking has supporting leg,
And supporting leg left end end is provided with compasses point, the sharp bottom of the compasses is provided with movable connecting rod, end on its movable connecting rod
Connecting spring, and movable connecting rod lower end is provided with steel ball, the supporting leg right end is provided with nib, and pen tip interior is pacified
Got stuck equipped with pen core, the pen core gets stuck to be connected by adjustable diameter and screw adjusting axle, and adjustable diameter and screw adjusting axle outer end is equiped with spiral and emitted.
It is preferred that, it is connected between the rotation cohesive frame and regulation gear using horizontal rotating shaft using cross-linking.
It is preferred that, the rotating shaft outer surface inlays fluted, and it is bar shaped zigzag.
It is preferred that, Collapsible protractor is installed between the supporting leg.
It is preferred that, the compasses point is elastic bascule.
It is preferred that, the pen core gets stuck for rotary moveable structure, and its anglec of rotation is 0-360 °.
It is preferred that, the Collapsible protractor upper end is rotary folding chi.
Compared with prior art, the beneficial effects of the utility model are：Multifunctional mathmatical mapping compasses pass through in compasses
Rotation cohesive frame add Collapsible protractor, can draw circular arc when, be easy to measure circular arc angle, Collapsible protractor upper end is also
Graduated scale is inlaid with, is easy to measure the radius of circle during mapping, improves the efficiency of student's mapping.Rotate cohesive frame and regulation gear
Between be connected using horizontal rotating shaft using cross-linking, be easy to adjust gear adjustment supporting leg it is elastic, rotating shaft outer surface is inlaid with
Groove, and it is bar shaped zigzag, is easy to rotate compasses, compasses tip replaces original needle-like compasses point using steel ball, prevented
Tip punctures paper, and pen core gets stuck for rotary moveable structure, is conveniently replaceable pen core, Collapsible protractor is beaten with opening for supporting leg
Open, closed with the closure of Collapsible protractor, reduce the floor space of compasses.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model deployed configuration schematic diagram；
Fig. 3 is the utility model Collapsible protractor structural representation.
In figure：1st, cohesive frame is rotated, 2, rotating shaft, 3, regulation gear, 4, supporting leg, 5, compasses point, 6, movable connecting rod, 7, bullet
Spring, 8, steel ball, 9, nib, 10, pen core get stuck, 11, adjustable diameter and screw adjusting axle, 12, spiral emit, 13, Collapsible protractor, 14, rotary folding
Folded chi.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of multifunctional mathmatical mapping compasses, including rotation
Turn cohesive frame 1, rotating shaft 2, regulation gear 3, supporting leg 4, compasses point 5, movable connecting rod 6, spring 7, steel ball 8, nib 9, pen core card
Shell 10, adjustable diameter and screw adjusting axle 11, spiral emit 12, Collapsible protractor 13 and rotary folding chi 14, and rotation cohesive frame 1 upper end, which is provided with, to be turned
Axle 2, its rotating shaft 2 is that regulation gear 3 is inlaid with the middle of overall structure, and rotation cohesive frame 1 with rotation cohesive frame 1, rotation linking
It is connected between frame 1 and regulation gear 3 using horizontal rotating shaft 2 using cross-linking, is easy to adjust the elastic of the adjustment supporting leg 4 of gear 3,
The outer surface of rotating shaft 2 inlays fluted, and it is bar shaped zigzag, and being easy to rotate linking in the middle of compasses, regulation gear 3 has supporting leg 4,
And the left end end of supporting leg 4 is provided with compasses point 5, compasses point 5 replaces original needle-like compasses point 5 using steel ball 8, prevents tip
Paper is punctured, compasses point 5 is that Collapsible protractor 13 is provided between elastic bascule, supporting leg 4, and 5 bottoms of compasses point are provided with
End connecting spring 7 on movable connecting rod 6, its movable connecting rod 6, and the lower end of movable connecting rod 6 is provided with steel ball 8, supporting leg 4
Right end, which is provided with inside nib 9, and nib 9, to be provided with pen core and gets stuck 10, and it 10 is rotary moveable structure that pen core, which gets stuck, and its
The anglec of rotation is 0-360 °, is conveniently replaceable pen core, and pen core gets stuck 10 to be connected by adjustable diameter and screw adjusting axle 11, and adjustable diameter and screw adjusting axle 11
Outer end is equiped with spiral and emits 12, and the upper end of Collapsible protractor 13 is rotary folding chi 14, and Collapsible protractor 13 is with opening for supporting leg 4
Open, closed with the closure of Collapsible protractor 13, reduce the floor space of compasses.
Operation principle：Using the multifunctional mathmatical map compasses when, first rotating screw emits 12, pen core is got stuck 10 releases
Afterwards, pen core is placed on pen core to get stuck in 10, then rotating screw emits 12 and fixed after pen core, then rotates regulation gear 3 and adjust loose branch
Leg 4, then opens the supporting leg 4 of compasses, extends rotary folding chi 14, then chosen on paper a bit, as the center of circle, leads to
Cross rotary folding chi 14 and measure round radius, it is determined that a bit on lower circular arc, at this moment puts the center of circle of the sharp 5 bottom steel balls 8 of compasses
Put in the center of circle originally chosen on paper, then by pulling the supporting leg 4 of compasses, the pen core fixed on nib 9 is directed at circular arc
Upper to obtain after point, it is ensured that compasses 5 supporting legs of point are motionless, the supporting leg 4 of rotation nib 9 draws circle with this；When drawing circular arc, it is necessary to survey
The angle of circular arc is measured, first pulling open the supporting leg 4 of compasses extends Collapsible protractor 13, then by adjusting the center of circle pair of gear 3
Behind the center of circle of director circle arc, a supporting leg 4 of compasses is directed at one side of circular arc, circular arc is then read from Collapsible protractor 13
Central angle, with this, aid need not be changed repeatedly when student maps, so as to improve the efficiency of student's mapping.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent substitution, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. all should
Within protection domain of the present utility model.
Claims (7)
- The compasses 1. a kind of multifunctional mathmatical is mapped, including rotation cohesive frame (1), rotating shaft (2), regulation gear (3), supporting leg (4), circle Rule point (5), movable connecting rod (6), spring (7), steel ball (8), nib (9), pen core get stuck (10), adjustable diameter and screw adjusting axle (11), spiral shell Rotation emits (12), Collapsible protractor (13) and rotary folding chi (14), it is characterised in that：Install described rotation cohesive frame (1) upper end There is rotating shaft (2), its rotating shaft (2) is to be inlaid with regulation tooth in the middle of overall structure, and rotation cohesive frame (1) with rotation cohesive frame (1) Take turns (3), linking has supporting leg (4) in the middle of the regulation gear (3), and supporting leg (4) left end end is provided with compasses point (5), described Compasses point (5) bottom is provided with movable connecting rod (6), end connecting spring (7) on its movable connecting rod (6), and is flexibly connected Bar (6) lower end is provided with steel ball (8), and supporting leg (4) right end is provided with inside nib (9), and nib (9) and is provided with Pen core gets stuck (10), the pen core get stuck (10) be connected by adjustable diameter and screw adjusting axle (11), and adjustable diameter and screw adjusting axle (11) outer end fill Emitted (12) provided with spiral.
- 2. a kind of multifunctional mathmatical mapping compasses according to claim 1, it is characterised in that：The rotation cohesive frame (1) It is connected between regulation gear (3) using horizontal rotating shaft (2) using cross-linking.
- 3. a kind of multifunctional mathmatical mapping compasses according to claim 1, it is characterised in that：Rotating shaft (2) outer surface Inlay fluted, and it is bar shaped zigzag.
- 4. a kind of multifunctional mathmatical mapping compasses according to claim 1, it is characterised in that：Pacify between the supporting leg (4) Equipped with Collapsible protractor (13).
- 5. a kind of multifunctional mathmatical mapping compasses according to claim 1, it is characterised in that：The compasses sharp (5) are bullet Sexuality structure.
- 6. a kind of multifunctional mathmatical mapping compasses according to claim 1, it is characterised in that：The pen core get stuck (10) be Rotary moveable structure, and its anglec of rotation is 0-360 °.
- 7. a kind of multifunctional mathmatical mapping compasses according to claim 1, it is characterised in that：The Collapsible protractor (13) Upper end is rotary folding chi (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621263623.9U CN206426726U (en) | 2016-11-24 | 2016-11-24 | A kind of multifunctional mathmatical mapping compasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621263623.9U CN206426726U (en) | 2016-11-24 | 2016-11-24 | A kind of multifunctional mathmatical mapping compasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206426726U true CN206426726U (en) | 2017-08-22 |
Family
ID=59589027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621263623.9U Expired - Fee Related CN206426726U (en) | 2016-11-24 | 2016-11-24 | A kind of multifunctional mathmatical mapping compasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206426726U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569067A (en) * | 2018-05-03 | 2018-09-25 | 孙铭泽 | A kind of high school student's multifunctional mathmatical drafting instrument |
| CN113085416A (en) * | 2018-10-27 | 2021-07-09 | 尹小兵 | Compasses for drawing and use method |
-
2016
- 2016-11-24 CN CN201621263623.9U patent/CN206426726U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569067A (en) * | 2018-05-03 | 2018-09-25 | 孙铭泽 | A kind of high school student's multifunctional mathmatical drafting instrument |
| CN113085416A (en) * | 2018-10-27 | 2021-07-09 | 尹小兵 | Compasses for drawing and use method |
| CN113085416B (en) * | 2018-10-27 | 2022-09-23 | 山东汇融电子设备有限公司 | Compasses for drawing and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170822 Termination date: 20191124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |