CN207644024U - A kind of ellipsograph - Google Patents
A kind of ellipsograph Download PDFInfo
- Publication number
- CN207644024U CN207644024U CN201720834610.0U CN201720834610U CN207644024U CN 207644024 U CN207644024 U CN 207644024U CN 201720834610 U CN201720834610 U CN 201720834610U CN 207644024 U CN207644024 U CN 207644024U
- Authority
- CN
- China
- Prior art keywords
- rule
- arm
- neck
- leg
- anchor point
- 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
Links
Landscapes
- Harvester Elements (AREA)
Abstract
The utility model discloses a kind of ellipsographs, including stock, advise leg, advise arm and cord, the upper end of stock is equipped with rule neck, the outside for advising neck is rotatably equipped with neck set, it includes upper to advise arm, lower rule arm, the upper end of upper rule arm is rotationally connected with neck and puts on, and it is equipped with elastomeric element therebetween, the removable lower end for being connected to rule arm in upper end of lower rule arm, and it is equipped with elastomeric element therebetween, the lower end of lower rule arm is equipped with rule hand, the different location of cord along its length is respectively equipped with a left side, right anchor point, it is left, cord between right anchor point is set as active section, wherein, it is left, right regulation foot is fixed left respectively, right anchor point, and it is left, the distance between right regulation foot is less than the rope length of active section, the radial outside stretching active section that rule hand is covered to neck, and nib is contacted with drawing area is waited for.The active section of cord overcomes the reset response power of elastomeric element so that the active section of rule arm stretching cord, one hand rotation neck set, you can realize elliptical drafting.
Description
Technical field
The utility model is related to teaching equipment fields, and in particular to a kind of ellipsograph.
Background technology
During the daily teaching of teacher, geometric figure is frequently involved, wherein ellipse is pinpointed to two in plane
Sum of the distance is equal to the track of the dynamic point P of constant.Ellipsograph is broadly divided into two kinds currently on the market, the first is conventional elliptical
Rule.Second is novel ellipsograph, and conventional elliptical rule are used exclusively for picture by being made of the bottom plate and swing arm of cross chute
Elliptical tool, function is relatively simple, and novel ellipsograph is by compasses main body, and draw point, cord composition, it is ellipse that novel ellipsograph has picture
Circle draws circle, and when three kinds of functions that divider uses, when drawing oval, a hand steered compasses are drawn on the other hand, and not extra hand is fixed
Paper, therefore using inconvenient.
Invention content
The purpose of this utility model is to provide a kind of ellipsograph, and singlehanded picture may be implemented, and another hand fixes paper,
It is easier to draw the ellipse of high quality.
In order to achieve the above objectives, the technical solution adopted in the utility model is：A kind of ellipsograph, including：
Stock, the upper end are equipped with rule neck, and the outside of the rule neck is equipped with neck set, and the neck, which covers the relatively described rule neck, to be had
The degree of freedom rotated in the horizontal plane；
Advise leg comprising left rule leg and right compass leg, the lower end of the left rule leg is equipped with left regulation foot, under the right compass leg
End is equipped with right regulation foot, and the upper end of the left rule leg and the upper end of the right compass leg are connected on the stock, and the left side
Rule leg and the right compass leg have the degree of freedom rotated in same perpendicular relative to the stock；
Advise arm comprising above advise arm and lower rule arm, the upper end of the upper rule arm is connected to the neck and puts on, and the two it
Between be equipped with elastomeric element, the upper rule arm has the freedom that is rotated in the radial perpendicular that the neck covers relative to neck set
Degree, the upper end of the lower rule arm is connect with the lower end of the upper rule arm, and is equipped with elastomeric element therebetween, the lower rule arm tool
There are the degree of freedom moved along its length relative to the upper rule arm, the lower end of the lower rule arm to be equipped with rule hand, the end of the rule hand
Portion is equipped with nib；
Cord, different location along its length are respectively equipped with left anchor point and right anchor point, the left anchor point with
Cord between the right anchor point is set as active section；
Wherein, the left regulation foot and the right regulation foot fix the left anchor point and the right anchor point respectively, and described
The distance between left regulation foot and the right regulation foot are less than the rope length of the active section, the radial outside that the rule hand is covered to the neck
Active section described in stretching, and the nib is contacted with drawing area is waited for.
Further, the left rule leg rule neck opposite with the right compass leg is symmetrical, the left rule leg and the right rule
The angle dial for measuring angle between the two is additionally provided between leg, each angle index also correspondence of the angle dial is set
There are the left side corresponding to the angle, the distance between right regulation foot scale.
Further, the upper rule arm is equipped with the cross inner cavity penetrated through with its lower face, and the lower rule arm is equipped with protrusion
The large scale section of the cross axis pin of end face thereon, the axis pin is limited in the large scale section of the inner cavity, the elasticity
Component supports between the annular end face of the large scale section of the annular end face and inner cavity of the large scale section of the axis pin.
Further, the different location of the cord along its length is respectively equipped with one-to-one several left anchor points
With several right anchor points, each left anchor point be equipped with its with its corresponding to right anchor point between rope length scale, it is each right fixed
Site be equipped with its with its corresponding to left anchor point between rope length scale.
Further, it is equipped with location hole at the left anchor point and the right anchor point.
Further, the outside of the neck set is additionally provided with line wheel, and the ine wound is in the line wheel.
Further, the outside of the neck set is also threaded with the knob lid of its rotation of driving.
Further, it is respectively equipped with length scale on the left rule leg and the right compass leg.
Further, the left regulation foot, the right regulation foot and the rule hand are equipped with and the matched annular groove of cord.
Further, in the left regulation foot and the right regulation foot, the end of one of which is in cone tip shape, and another one end is set
There is nib.
Since above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：
（1）Rule arm is connected to neck and put on by ellipsograph disclosed by the utility model by the way that neck set is arranged, rule arm and neck set
Between elastomeric element is set, and it is opposite rotatable with neck set to advise arm, segmented is arranged in rule arm, while bullet being arranged between fragments
Property component, the active section of cord overcomes the reset response power of elastomeric element so that the active section of rule arm stretching cord, one hand rotation
Neck set, you can realize elliptical drafting；
（2）Ellipsograph disclosed by the utility model, by be arranged angle dial, when in use, can according to rule leg it
Between angle observe directly focal length size, facilitate drafting oval；
（3）Ellipsograph disclosed by the utility model can by the way that multiple left location holes and multiple right location holes are arranged in cord
To draw the ellipse of sizes and ovality；
（4）Ellipsograph disclosed by the utility model, by the way that line wheel is arranged, by ine wound in line wheel, preventing from losing；
（5）Ellipsograph disclosed by the utility model, by the way that annular groove is arranged in regulation foot, rule hand, prevent on cord it is sliding or
Glide the accuracy for influencing to draw and draw；
（6）The utility model discloses ellipsograph, by the way that nib is arranged in a wherein rules and regulations leg, can also draw circle.
Description of the drawings
Fig. 1 is the structural schematic diagram of ellipsograph disclosed by the utility model.
Fig. 2 is rule leg disclosed by the utility model and advises the partial structural diagram of hand.
Fig. 3 is the partial structural diagram of rule arm disclosed by the utility model.
Fig. 4 is the structural schematic diagram of cord disclosed by the utility model.
Wherein：11, stock；12, neck is advised；13, neck set；14, line wheel；15, knob lid；20, leg is advised；21, left rule leg；22、
Right compass leg；23, left regulation foot；24, right regulation foot；30, arm is advised；31, upper rule arm；32, lower rule arm；33, elastomeric element；34, elastic portion
Part；35, hand is advised；36, inner cavity；37, axis pin；40, cord；41, left anchor point；42, right anchor point；50, angle dial；100、
Annular groove.
Specific implementation mode
The utility model is further described in conjunction with accompanying drawings and embodiments：
Referring to Fig. 1 to Fig. 4, as shown in legend therein, a kind of ellipsograph, including：
Stock 11, the upper end are equipped with rule neck 12, and the outside of rule neck 12 is equipped with neck and covers 13, and 13 opposite rule neck 12 of neck set has
The degree of freedom rotated in the horizontal plane；
Advise leg 20 comprising the lower end of left rule leg 21 and right compass leg 22, left rule leg 21 is equipped with left regulation foot 23, right compass leg 22
Lower end be equipped with right regulation foot 24, the upper end and the upper end of right compass leg 22 of left rule leg 21 are connected on stock 11, and left rule leg
21 and right compass leg 22 there is the degree of freedom that is rotated in same perpendicular relative to stock 11；
Advise arm 30 comprising above advise arm 31 and lower rule arm 32, the upper end of upper rule arm 31 is connected on neck set 13, and the two
Between be equipped with elastomeric element 33, upper rule arm 31 has the freedom that rotates in the radial perpendicular that neck covers 13 with respect to neck set 13
Degree, the upper end of lower rule arm 32 is connect with the lower end of upper rule arm 31, and is equipped with elastomeric element 34 therebetween, and lower rule arm 32 has phase
To the degree of freedom that upper rule arm 31 moves along its length, the lower end of lower rule arm 32 is equipped with rule hand 35, and the end of rule hand 35 is equipped with pen
Head；
Cord 40, different location along its length are respectively equipped with left anchor point 41 and right anchor point 42, left anchor point
Cord between 41 and right anchor point 42 is set as active section；
Wherein, left regulation foot 23 and right regulation foot 24, which respectively support left anchor point 41 and right anchor point 42, is waiting for drawing area
On, and the distance between left regulation foot 23 and right regulation foot 24 are less than the rope length of active section, radial outside support of the rule hand 35 to neck set 13
Tight active section, and nib is contacted with drawing area is waited for.
By the way that neck set is arranged, rule arm is connected to neck and is put on, advises and elastomeric element is set between arm and neck set, and it is opposite to advise arm
It is rotatable with neck set, segmented is arranged in rule arm, while elastomeric element is set between fragments, the active section of cord overcomes elasticity
The reset response power of component so that the active section of rule arm stretching cord, one hand rotation neck set, you can realize elliptical drafting.
In a kind of embodiment, the rule neck 12 opposite with right compass leg 22 of left rule leg 21 is symmetrical, left rule leg 21 and right compass leg 22 it
Between be additionally provided with the angle dial 50 for measuring angle between the two, each angle index of angle dial 50 is also correspondingly provided with this
The distance between left and right regulation foot 23,24 corresponding to angle scale.Due to a left side, the length of right compass leg 21,22 be it is certain, because
The side opposite the angle length dimension of this angle between the two and angle be it is relevant, by be arranged angle dial when in use can
To observe directly focal length size according to the angle between rule leg, facilitate drafting oval, moreover, compasses can make as protractor
With.
In a kind of embodiment, upper rule arm 31 is equipped with the cross inner cavity 36 penetrated through with its lower face, and lower rule arm 32 is equipped with
The cross axis pin 37 of end face thereon is protruded from, the large scale section of axis pin 37 is limited in the large scale section of inner cavity 36, elastic portion
Part 34 supports between the annular end face of the large scale section of the annular end face and inner cavity 36 of the large scale section of axis pin 37.
In a kind of embodiment, elastomeric element 33 and elastomeric element 34 are spring.
In a kind of embodiment, the different location of cord 40 along its length is respectively equipped with one-to-one several left fixed
Site 41 and several right anchor points 42, each left anchor point be equipped with its with its corresponding to right anchor point between rope length scale,
Each right anchor point be equipped with its with its corresponding to left anchor point between rope length scale.By the way that multiple left positioning are arranged in cord
Hole and multiple right location holes, can draw sizes and the ellipse of ovality.
In a kind of embodiment, location hole is equipped at left anchor point 41 and right anchor point 42.
In a kind of embodiment, the outside of neck set 13 is additionally provided with line wheel 14, and cord 40 is wound in line wheel 14.Pass through setting
Line wheel, by ine wound in line wheel, preventing from losing.
In a kind of embodiment, the outside of neck set 13 is additionally provided with the knob lid 15 of its rotation of driving.
In a kind of embodiment, it is respectively equipped with length scale on left rule leg 21 and right compass leg 22, when left rule leg 21 and right rule
When 22 angle of leg is 180 degree, can be used as ruler
In a kind of embodiment, left regulation foot 23, right regulation foot 24 and rule hand 35 are equipped with and the matched annular groove of cord
100.By the way that annular groove is arranged in regulation foot, rule hand, sliding on the cord or accuracy for influencing to draw and draw that glides is prevented.
In a kind of embodiment, in left regulation foot 23 and right regulation foot 24, one of which end is in cone tip shape, and another one end is set
There is nib.By the way that nib is arranged in a wherein rules and regulations leg, circle can also be drawn.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (10)
1. a kind of ellipsograph, which is characterized in that including：
Stock（11）, the upper end is equipped with rule neck（12）, the rule neck（12）Outside be equipped with neck set（13）, the neck set（13）
The relatively described rule neck（12）With the degree of freedom rotated in the horizontal plane；
Advise leg（20）Comprising left rule leg（21）And right compass leg（22）, the left rule leg（21）Lower end be equipped with left regulation foot
（23）, the right compass leg（22）Lower end be equipped with right regulation foot（24）, the left rule leg（21）Upper end and the right compass leg（22）
Upper end be connected to the stock（11）On, and the left rule leg（21）With the right compass leg（22）The relatively described stock
（11）With the degree of freedom rotated in same perpendicular；
Advise arm（30）Comprising above advise arm（31）With lower rule arm（32）, the upper rule arm（31）Upper end be connected to the neck set
（13）On, and it is equipped with elastomeric element therebetween（33）, the upper rule arm（31）The relatively described neck set（13）With in the neck
Set（13）Radial perpendicular in rotate degree of freedom, the lower rule arm（32）Upper end and the upper rule arm（31）Lower end
Connection, and it is equipped with elastomeric element therebetween（34）, the lower rule arm（32）With the relatively described upper rule arm（31）Along length side
To mobile degree of freedom, the lower rule arm（32）Lower end be equipped with rule hand（35）, the rule hand（35）End be equipped with nib；
Cord（40）, different location along its length is respectively equipped with left anchor point（41）With right anchor point（42）, the left side
Anchor point（41）With the right anchor point（42）Between cord be set as active section；
Wherein, the left regulation foot（23）With the right regulation foot（24）The left anchor point is fixed respectively（41）With the right anchor point
（42）, and the left regulation foot（23）With the right regulation foot（24）The distance between be less than the active section rope length, the rule hand
（35）To the neck set（13）Radial outside stretching described in active section, and the nib is contacted with drawing area is waited for.
2. ellipsograph according to claim 1, which is characterized in that the left rule leg（21）With the right compass leg（22）Relatively
The rule neck（12）Symmetrically, the left rule leg（21）With the right compass leg（22）Between be additionally provided with the angle for measuring angle between the two
Spend dial（50）, the angle dial（50）Each angle index be also correspondingly provided with the left side corresponding to the angle,
The distance between right regulation foot scale.
3. ellipsograph according to claim 1, which is characterized in that the upper rule arm（31）Equipped with what is penetrated through with its lower face
Cross inner cavity（36）, the lower rule arm（32）Equipped with the cross axis pin for protruding from end face thereon（37）, the axis pin（37）
Large scale section be limited in the inner cavity（36）Large scale section in, the elastomeric element（34）It supports in the axis pin（37）'s
The annular end face of large scale section and the inner cavity（36）Large scale section annular end face between.
4. ellipsograph according to claim 1, which is characterized in that the cord（40）Different location along its length
It is respectively equipped with one-to-one several left anchor points（41）With several right anchor points（42）, each left anchor point is equipped with itself and its institute
Rope length scale between corresponding right anchor point, each right anchor point be equipped with its with its corresponding to left anchor point between rope length
Scale.
5. ellipsograph according to claim 1, which is characterized in that the left anchor point（41）With the right anchor point（42）
Place is equipped with location hole.
6. ellipsograph according to claim 1, which is characterized in that the neck set（13）Outside be additionally provided with line wheel（14）,
The cord（40）It is wound in the line wheel（14）On.
7. ellipsograph according to claim 1, which is characterized in that the neck set（13）Outside be also threaded with driving
Its knob lid rotated（15）.
8. ellipsograph according to claim 1, which is characterized in that the left rule leg（21）With the right compass leg（22）Upper point
It She You not length scale.
9. ellipsograph according to claim 1, which is characterized in that the left regulation foot（23）, the right regulation foot（24）And
The rule hand（35）It is equipped with and the matched annular groove of cord.
10. ellipsograph according to claim 1, which is characterized in that the left regulation foot（23）With the right regulation foot（24）In,
The end of one of which is in cone tip shape, and another one end is equipped with nib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720834610.0U CN207644024U (en) | 2017-07-11 | 2017-07-11 | A kind of ellipsograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720834610.0U CN207644024U (en) | 2017-07-11 | 2017-07-11 | A kind of ellipsograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207644024U true CN207644024U (en) | 2018-07-24 |
Family
ID=62886915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720834610.0U Expired - Fee Related CN207644024U (en) | 2017-07-11 | 2017-07-11 | A kind of ellipsograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207644024U (en) |
-
2017
- 2017-07-11 CN CN201720834610.0U patent/CN207644024U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206327053U (en) | A kind of compasses for teaching | |
| CN207274230U (en) | A kind of Multifunctional pen compass | |
| CN207644024U (en) | A kind of ellipsograph | |
| CN205326596U (en) | Multi -functional drawing compass | |
| CN208290799U (en) | A kind of multipurpose mathematics teaching aid | |
| CN204382967U (en) | Sucker type compass | |
| CN208714771U (en) | Band tape and compass | |
| CN208521488U (en) | A kind of Multifunctional teaching aid bar | |
| CN205523261U (en) | Novel compasses angulation chi | |
| CN208646441U (en) | A kind of student's multifunctional unit ruler | |
| CN206690752U (en) | A kind of multiple function metric arrangement | |
| KR200450940Y1 (en) | A multifunctional protractor with functions of ruler, compasses and protractor | |
| CN211075296U (en) | Multifunctional pen | |
| CN206475644U (en) | A kind of Portable type compasses | |
| CN201592604U (en) | Multifunctional teaching compasses | |
| CN207737023U (en) | A kind of compasses for preventing from poking paper | |
| CN210706644U (en) | Compasses for mechanical drawing of middle school students | |
| CN205997596U (en) | A kind of mathematical education drawing tools | |
| CN211416766U (en) | Compasses | |
| CN205364938U (en) | Compasses | |
| CN107825898B (en) | Special pen for drawing by ruler and compasses | |
| CN207897966U (en) | A kind of dress designing combination ruler | |
| KR200496216Y1 (en) | coin-shaped writing instrument | |
| CN202986530U (en) | Arc drawing tool | |
| CN205326607U (en) | Multi -functional drawing rule of polar coordinates |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180724 Termination date: 20190711 |