CN206281420U - A kind of protractor for teaching - Google Patents
A kind of protractor for teaching Download PDFInfo
- Publication number
- CN206281420U CN206281420U CN201621410237.8U CN201621410237U CN206281420U CN 206281420 U CN206281420 U CN 206281420U CN 201621410237 U CN201621410237 U CN 201621410237U CN 206281420 U CN206281420 U CN 206281420U
- Authority
- CN
- China
- Prior art keywords
- protractor
- teaching
- marker pen
- connecting rod
- pulley
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a kind of protractor for teaching, including protractor body, the surface of the protractor body opens up chute and fixing groove, marker pen is provided with the top of the chute, protractor body is run through at the two ends of the marker pen, the bottom of the protractor chamber body opens up fluted, the top of the groove is provided with the first elastic mattress, pulley is provided with the top of first elastic mattress, support bar is provided with the top of the pulley, connecting rod is provided with the top of the support bar.By setting using cooperatively for chute, marker pen, handle, groove, the first elastic mattress, connecting rod, support bar and pulley, angle can accurately be drawn, the using effect of so protractor for teaching is more preferable, solve user and draw angle along the circumference of protractor for teaching, there is the relatively low problem of precision so as to cause the angle for drawing, so as to substantially increase the quality of instruction of user.
Description
Technical field
The utility model is related to realia technical field, specially a kind of protractor for teaching.
Background technology
Protractor is a kind of instrument in life, even more a kind of learning tool of Mathematics Discipline, and protractor is student's angulation
Basis, can arbitrarily draw angle, measuring angle, draw vertical line, parallel lines, survey gradient, perpendicularity, levelness, interior angulation can be worked as
The outer right angle of device turns chi, opens, closes up, and can work as short ruler long relatively really directly perceived can also read, and draw the circle of given size.
Existing protractor for teaching in the market, is all user along teaching angulation during use
The circumference of device draws required angle, so as to cause user during teaching of use protractor draws angle, draws
There is the relatively low problem of precision in the angle for going out, so as to the quality of instruction to user brings influence.
Utility model content
The purpose of this utility model is to provide a kind of protractor for teaching, possesses the angle precision for drawing advantage high,
User is solved during teaching of use protractor draws angle, the relatively low problem of precision occurs in the angle for drawing.
To achieve the above object, the utility model provides following technical scheme：A kind of protractor for teaching, including protractor
Body, the surface of the protractor body opens up chute and fixing groove, and marker pen, the mark are provided with the top of the chute
Protractor body is run through at the two ends of pen, and the bottom of the protractor chamber body opens up fluted, set at the top of the groove
Install and be equipped with the first elastic mattress, pulley is provided with the top of first elastic mattress, support bar is provided with the top of the pulley,
Connecting rod is provided with the top of the support bar, one end of the connecting rod is fixedly connected with marker pen, the marker pen top
Right side be provided with handle, fix bar is provided with the right side of the handle base, the bottom of the fix bar is provided with and fixation
The roller that groove matches, the bottom of the roller is provided with the second elastic mattress, is provided with the outside of the protractor body surface
Angle line.
Preferably, the surface of the protractor body offers fixing hole, and the inner chamber of the fixing hole is provided with anti-vibration ring.
Preferably, the bottom of the protractor body is provided with graduated scale, and the surface of the graduated scale is provided with graduation mark.
Preferably, the right side of the connecting rod is fixedly connected with the junction of marker pen by fixture, the handle
Surface is arranged with Anti-slip cover.
Preferably, the back side of the protractor body is provided with anti-slip veins.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, the utility model by set chute, marker pen, handle, groove, the first elastic mattress, connecting rod, support bar and
Using cooperatively for pulley, can accurately draw angle, and the using effect of such protractor for teaching more preferably, solves user edge
The circumference for protractor for teaching draws angle, the relatively low problem of precision occurs so as to cause the angle for drawing, so that significantly
The quality of instruction of user is improve, is adapted to promote the use of.
2nd, the utility model can carry out suspension storage by fixing hole to protractor for teaching, which save storage empty
Between, it is to avoid user during being stored to protractor for teaching, because the volume of protractor for teaching is larger so that
Cause protractor to take the problem of a large amount of memory spaces, by anti-vibration ring, protection can be played a part of to fixing hole, so impart knowledge to students
Suspension with protractor is more preferable, it is to avoid protractor for teaching during prolonged suspension, because of fixing hole for a long time
It is connected with hanger bar, so as to the problem for causing fixing hole to damage, by graduated scale and graduation mark, facilitates the use of user,
The using effect of so protractor for teaching is more preferable, it is to avoid user uses during teaching of use protractor because imparting knowledge to students
Protractor does not have the function of graduated scale, so as to cause user to carry the problem of excessive teaching aid in the course of the work, passes through
The cooperation of fix bar, fixing groove and roller, can be fixed to marker pen, and the using effect of such protractor for teaching is more preferable,
Avoid during the use of teaching of use protractor, because rocking occurs in marker pen, so as to cause protractor for teaching to make
With the problem of precise decreasing.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model chute sectional view；
Fig. 3 is the utility model A-A enlarged drawings.
In figure：1 protractor body, 2 chutes, 3 fixing grooves, 4 marker pens, 5 handles, 6 fixing holes, 7 anti-vibration rings, 8 graduated scales,
9 graduation marks, 10 fixtures, 11 Anti-slip covers, 12 grooves, 13 first elastic mattress, 14 connecting rods, 15 support bars, 16 pulleys, 17 second
Elastic mattress, 18 rollers, 19 fix bars, 20 angle lines.
Specific 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 for being obtained, belongs to the scope of the utility model protection.
Fig. 1-3, a kind of protractor for teaching, including protractor body 1 are referred to, the surface of protractor body 1 opens up cunning
Groove 2 and fixing groove 3, the surface of protractor body 1 offer fixing hole 6, by fixing hole 6, protractor for teaching can be carried out
Suspension storage, which saves memory space, it is to avoid user during stored to protractor for teaching, because of religion
The volume of protractor is larger, and so as to cause protractor to take the problem of a large amount of memory spaces, the inner chamber of fixing hole 6 is provided with
Anti-vibration ring 7, by anti-vibration ring 7, can play a part of protection to fixing hole 6, and the suspension of such protractor for teaching is more preferable,
Protractor for teaching is avoided during prolonged suspension, because the long-time of fixing hole 6 is connected with hanger bar, so as to cause admittedly
Determine the problem of the damage of hole 6, the bottom of protractor body 1 is provided with graduated scale 8, and the surface of graduated scale 8 is provided with graduation mark 9, lead to
Scaleover chi 8 and graduation mark 9, facilitate the use of user, and the using effect of such protractor for teaching is more preferable, it is to avoid use
Person does not have the function of graduated scale 8 because of protractor for teaching during teaching of use protractor, so as to cause user to exist
The problem of excessive teaching aid is carried in the course of work, the top of chute 2 is provided with marker pen 4, and the two ends of marker pen 4 are run through
Protractor body 1, the bottom of the inner chamber of protractor body 1 opens up fluted 12, and the top of groove 12 is provided with the first elastic force
Pad 13, the top of the first elastic mattress 13 is provided with pulley 16, and the top of pulley 16 is provided with support bar 15, the top of support bar 15
Connecting rod 14 is provided with, one end of connecting rod 14 is fixedly connected with marker pen 4, by setting chute 2, marker pen 4, handle 5, recessed
Using cooperatively for groove 12, the first elastic mattress 13, connecting rod 14, support bar 15 and pulley 16, can accurately draw angle, so teach
The using effect of protractor more preferably, solves user and draws angle along the circumference of protractor for teaching, so as to make
There is the relatively low problem of precision into the angle for drawing, so as to substantially increase the quality of instruction of user, be adapted to promote the use of, even
The right side of extension bar 14 is fixedly connected with the junction of marker pen 4 by fixture 10, and the surface of handle 5 is arranged with Anti-slip cover 11,
The right side at the top of marker pen 4 is provided with handle 5, and fix bar 19 is provided with the right side of the bottom of handle 5, and the bottom of fix bar 19 is set
There is the roller 18 matched with fixing groove 3, by the cooperation of fix bar 19, fixing groove 3 and roller 18, marker pen 4 can be carried out
Fixed, the using effect of such protractor for teaching is more preferable, it is to avoid during the use of teaching of use protractor, because of mark
Rocking occurs in note pen 4, and so as to the problem for causing protractor for teaching service precision to decline, the bottom of roller 18 is provided with the second bullet
Power pad 17, is provided with angle line 20 on the outside of the surface of protractor body 1, the back side of protractor body 1 is provided with anti-slip veins.
When using, user drives marker pen 4 to move down, by moving down for marker pen 4 by pushing handle 5 by handle 5
Drive connecting rod 14 to move down, drive support bar 15 to move down by connecting rod 14, pulley 16 pair the is made by moving down for support bar 15
One elastic mattress 13 produces pressure, so that the first elastic mattress 13 deforms so that marker pen 4 is contacted with working face, finally moves hand
Handle 5 is operated.
In sum：The protractor for teaching, by setting chute 2, marker pen 4, handle 5, groove 12, the first elastic mattress
13rd, connecting rod 14, support bar 15 and pulley 16 are used cooperatively, and are solved user and are drawn angle in teaching of use protractor
During, the relatively low problem of angle of arrival precision.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out various changes in the case where principle of the present utility model and spirit is not departed from, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of protractor for teaching, including protractor body（1）, it is characterised in that：The protractor body（1）Surface open
If chute（2）And fixing groove（3）, the chute（2）Top be provided with marker pen（4）, the marker pen（4）Two ends pass through
Wear protractor body（1）, the protractor body（1）The bottom of inner chamber opens up fluted（12）, the groove（12）Top
Setting is provided with the first elastic mattress（13）, first elastic mattress（13）Top be provided with pulley（16）, the pulley（16）
Top be provided with support bar（15）, the support bar（15）Top be provided with connecting rod（14）, the connecting rod（14）'s
One end is fixedly connected with marker pen（4）, the marker pen（4）Handle is provided with the right side of top（5）, the handle（5）Bottom
Right side be provided with fix bar（19）, the fix bar（19）Bottom be provided with and fixing groove（3）The roller for matching（18）,
The roller（18）Bottom be provided with the second elastic mattress（17）, the protractor body（1）The outside on surface sets angled
Line（20）.
2. a kind of protractor for teaching according to claim 1, it is characterised in that：The protractor body（1）Surface
Offer fixing hole（6）, the fixing hole（6）Inner chamber be provided with anti-vibration ring（7）.
3. a kind of protractor for teaching according to claim 1, it is characterised in that：The protractor body（1）Bottom
It is provided with graduated scale（8）, the graduated scale（8）Surface be provided with graduation mark（9）.
4. a kind of protractor for teaching according to claim 1, it is characterised in that：The connecting rod（14）Right side with mark
Note pen（4）Junction pass through fixture（10）It is fixedly connected, the handle（5）Surface be arranged with Anti-slip cover（11）.
5. a kind of protractor for teaching according to claim 1, it is characterised in that：The protractor body（1）The back side
It is provided with anti-slip veins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621410237.8U CN206281420U (en) | 2016-12-21 | 2016-12-21 | A kind of protractor for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621410237.8U CN206281420U (en) | 2016-12-21 | 2016-12-21 | A kind of protractor for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206281420U true CN206281420U (en) | 2017-06-27 |
Family
ID=59073291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621410237.8U Expired - Fee Related CN206281420U (en) | 2016-12-21 | 2016-12-21 | A kind of protractor for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206281420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107184213A (en) * | 2017-07-07 | 2017-09-22 | 彭辉 | A kind of eyelid surgery marks measuring gage |
-
2016
- 2016-12-21 CN CN201621410237.8U patent/CN206281420U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107184213A (en) * | 2017-07-07 | 2017-09-22 | 彭辉 | A kind of eyelid surgery marks measuring gage |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 Termination date: 20171221 |