CN206254687U - A kind of mathematical education multifunctional mathmatical ruler - Google Patents
A kind of mathematical education multifunctional mathmatical ruler Download PDFInfo
- Publication number
- CN206254687U CN206254687U CN201620770309.3U CN201620770309U CN206254687U CN 206254687 U CN206254687 U CN 206254687U CN 201620770309 U CN201620770309 U CN 201620770309U CN 206254687 U CN206254687 U CN 206254687U
- Authority
- CN
- China
- Prior art keywords
- tape
- main scale
- mathematical education
- protractor
- secondary chi
- 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 mathematical education multifunctional mathmatical ruler, including main scale, the surface of the main scale is provided with dial, the surface pivots of the dial are connected with tape disk, and the surface of the tape disk rotates with rocking bar and is connected, and the lower surface of the main scale offers half slot, the circle centre position of the half slot is provided with cylinder, the end of the rotary shaft is fixedly connected with connector, and the bottom of the connector is fixedly connected with secondary chi 8, and the side surface of the connector is provided with protractor.The mathematical education multifunctional mathmatical ruler, easy to operate, secondary chi is used to draw the angle of specified angle, usually the used time can not be combined together secondary chi with main scale by the rotation of rotary shaft, space hold is reduced, when using, secondary chi is rotated, shown by the scale of protractor, the angle of specified angle can be made, after finishing, secondary chi is rotated, protractor can enter into half slot, convenient and practical.
Description
Technical field
The utility model is related to teaching tool technical field, specially a kind of mathematical education multifunctional mathmatical ruler.
Background technology
In education activities, teaching tool is played a significant role, but existing instrument often has a lot
Limitation, it is impossible to draw angle at any angle, the number of degrees of inconvenient measurement angle on blackboard draw bowlder easily right with educational compasses
Blackboard causes to damage, and is inconvenient to carry, therefore, a kind of it is proposed that mathematical education multifunctional mathmatical ruler.
Utility model content
The purpose of this utility model is to provide a kind of mathematical education multifunctional mathmatical ruler, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the utility model provides following technical scheme：A kind of mathematical education multifunctional mathmatical ruler,
Including main scale, the surface of the main scale is provided with dial, and the surface pivots of the dial are connected with tape disk, the tape disk
Surface and rocking bar rotate and be connected, the lower surface of the main scale offers half slot, and the circle centre position of the half slot is provided with cylinder,
The cylinder is socketed in rotary shaft outside by internal groove, and the rotary shaft is rotated with cylinder and is connected, the rotary shaft
End is fixedly connected with connector, and the bottom of the connector is fixedly connected with secondary chi, and the side surface of the connector is provided with
Protractor.
Preferably, the center of circle of the protractor and the center of circle of cylinder are consistent.
Preferably, the surface of the main scale, secondary chi, dial and protractor is equipped with scale.
Preferably, the tape disk side is provided with sliding groove, and the sliding groove is slidably connected with release key, the rocking bar
Dead slot of the end inside the tape disk, and the end of the rocking bar is fixedly connected with tape, the tape is through tape dish cart
The slotted eye in face, the end of the tape is connected with the chalk collar.
Preferably, the surface of the release key is provided with anti-slip veins, and the surface of the tape is provided with scale.
Compared with prior art, the beneficial effects of the utility model are：The mathematical education multifunctional mathmatical ruler, main scale can
For general measurement and picture straight line, it is necessary to when drawing circle or circular arc, chalk is socketed on chalk sleeve ring, release key is opened,
Pull out tape, after moving required length to, close release key, you can with the center of circle of dial as the center of circle make specified radius circle or
Person's circular arc, very accurately, and will not cause to damage to blackboard, tape can be withdrawn into tape by the rotation of rocking bar in the not used time
Disk, occupies little space, it is also possible to which tape measures angular dimension, easy to operate, and secondary chi is used to draw the angle of specified angle, usually not
Used time can be combined together secondary chi with main scale by the rotation of rotary shaft, reduce space hold, when using, rotate secondary chi, lead to
The scale for crossing protractor shows, you can make the angle of specified angle, after finishing, rotates secondary chi, and protractor can enter into half
Circular groove, it is convenient and practical.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model tape disc portion structural representation；
Fig. 3 is the utility model secondary chi part partial structural diagram.
In figure：1 main scale, 2 dials, 3 tape disks, 4 rocking bars, 5 rotary shafts, 6 connectors, 7 protractors, 8 secondary chis, 9 cylinders,
10 half slots, 11 slotted eyes, 12 tapes, the 13 chalk collars, 14 release keies, 15 sliding grooves.
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 are referred to, the utility model provides a kind of technical scheme：A kind of mathematical education multifunctional mathmatical ruler, bag
Main scale 1 is included, dial 2 is provided with straight line, the surface of main scale 1 is drawn for general measurement, the surface pivots of dial 2 are connected with
Tape disk 3, the surface of tape disk 3 rotates with rocking bar 4 and is connected, and the side of tape disk 3 is provided with sliding groove 15, sliding groove 15 and release key
14 are slidably connected, the dead slot of the end of rocking bar 4 inside tape disk 3, and the end of rocking bar 4 is fixedly connected with tape 12, releases
The surface for putting key 14 is provided with anti-slip veins, and the surface of tape 12 is provided with scale, and tape 12 runs through the slotted eye 11 on the surface of tape disk 3, soft
The end of chi 12 is connected with the chalk collar 13, it is necessary to when drawing circle or circular arc, chalk is socketed on chalk sleeve ring 13, opening is released
Put key 14, pull out tape 12, after moving required length to, close release key, you can with the center of circle of dial 2 as the center of circle make it is specified
The circle or circular arc of radius, can withdraw tape disk 3, it is also possible to tape 12 by the rotation of rocking bar 4 in the not used time by tape 12
Measurement angular dimension, the lower surface of main scale 1 offers half slot 10, and the circle centre position of half slot 10 is provided with cylinder 9, and cylinder 9 passes through
Internal groove is socketed in the outside of rotary shaft 5, and rotary shaft 5 is rotated with cylinder 9 and is connected, and end and the connector 6 of rotary shaft 5 are fixed
Connection, the bottom of connector 6 is fixedly connected with secondary chi 8, and the side surface of connector 6 is provided with protractor 7, the center of circle of protractor 7
The center of circle with cylinder 9 is consistent, and main scale 1, secondary chi 8, dial 2 are equipped with scale with the surface of protractor 7, for drawing specified angle
The angle of degree, usually the used time can not be combined together secondary chi 8 with main scale 1 by the rotation of rotary shaft 5, reduce space hold, make
Used time, secondary chi 8 is rotated, shown by the scale of protractor 7, you can make the angle of specified angle, after finishing, rotate secondary chi
8, protractor 7 can enter into half slot 10, very convenient.
Operation principle：Main scale 1 is used for general measurement and draws straight line, it is necessary to when drawing circle or circular arc, chalk is socketed in
On the chalk collar 13, release key 14 is opened, pull out tape 12, after moving required length to, close release key, you can with dial 2
The center of circle circle or circular arc of specified radius are made for the center of circle, tape 12 can be withdrawn by the rotation of rocking bar 4 in the not used time
Tape disk 3, it is also possible to which tape 12 measures angular dimension, secondary chi 8 is used to draw the angle of specified angle, and usually the used time can be pair
Chi 8 is combined together by the rotation of rotary shaft 5 with main scale 1, reduces space hold, when using, secondary chi 8 is rotated, by protractor 7
Scale show, you can make the angle of specified angle, after finishing, rotate secondary chi 8, protractor 7 can enter into half slot 10,
It is very convenient.
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 mathematical education multifunctional mathmatical ruler, including main scale (1), it is characterised in that：The surface of the main scale (1) is provided with
Dial (2), the surface pivots of the dial (2) are connected with tape disk (3), surface and the rocking bar (4) of the tape disk (3)
Connection is rotated, the lower surface of the main scale (1) offers half slot (10), and the circle centre position of the half slot (10) is provided with cylinder
(9), the cylinder (9) is socketed in rotary shaft (5) outside by internal groove, and the rotary shaft (5) rotates with cylinder (9) and connects
Connect, the end of the rotary shaft (5) is fixedly connected with connector (6), the bottom of the connector (6) is fixed with secondary chi (8) to be connected
Connect, the side surface of the connector (6) is provided with protractor (7).
2. a kind of mathematical education multifunctional mathmatical ruler according to claim 1, it is characterised in that：The protractor (7)
The center of circle it is consistent with the center of circle of cylinder (9).
3. a kind of mathematical education multifunctional mathmatical ruler according to claim 1, it is characterised in that：The main scale (1), pair
Chi (8), dial (2) are equipped with scale with the surface of protractor (7).
4. a kind of mathematical education multifunctional mathmatical ruler according to claim 1, it is characterised in that：The tape disk (3)
Side is provided with sliding groove (15), and the sliding groove (15) is slidably connected with release key (14), and the end of the rocking bar (4) is through soft
The internal dead slot of chi disk (3), and the end of the rocking bar (4) is fixedly connected with tape (12), the tape (12) is through tape
The slotted eye (11) on disk (3) surface, the end of the tape (12) is connected with the chalk collar (13).
5. a kind of mathematical education multifunctional mathmatical ruler according to claim 4, it is characterised in that：The release key (14)
Surface be provided with anti-slip veins, the surface of the tape (12) is provided with scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620770309.3U CN206254687U (en) | 2016-07-21 | 2016-07-21 | A kind of mathematical education multifunctional mathmatical ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620770309.3U CN206254687U (en) | 2016-07-21 | 2016-07-21 | A kind of mathematical education multifunctional mathmatical ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206254687U true CN206254687U (en) | 2017-06-16 |
Family
ID=59023648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620770309.3U Expired - Fee Related CN206254687U (en) | 2016-07-21 | 2016-07-21 | A kind of mathematical education multifunctional mathmatical ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206254687U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340714A (en) * | 2018-01-10 | 2018-07-31 | 徐康 | A kind of higher mathematics written symbol ruler |
-
2016
- 2016-07-21 CN CN201620770309.3U patent/CN206254687U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340714A (en) * | 2018-01-10 | 2018-07-31 | 徐康 | A kind of higher mathematics written symbol ruler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170616 Termination date: 20190721 |