CN201824723U - Multi-purpose ruler for teaching - Google Patents
Multi-purpose ruler for teaching Download PDFInfo
- Publication number
- CN201824723U CN201824723U CN2010202553285U CN201020255328U CN201824723U CN 201824723 U CN201824723 U CN 201824723U CN 2010202553285 U CN2010202553285 U CN 2010202553285U CN 201020255328 U CN201020255328 U CN 201020255328U CN 201824723 U CN201824723 U CN 201824723U
- Authority
- CN
- China
- Prior art keywords
- chalk
- ruler body
- teaching
- elongated slot
- chi body
- 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
- 239000000696 magnetic material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract 3
- 239000012467 final product Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a multi-purpose ruler for teaching, which is characterized by consisting of a circle center positioner 2, a ruler body 4 and a chalk positioner 10, wherein the circle center positioner 2 is fixed at the left end of the ruler body 4, the circumferential edge of the ruler body 4 is provided with a scale line 1, a positioning disc 8 is arranged in the middle of the ruler body 4, a centering angle 11 is arranged on the back of the ruler body 4, the positioning disc 8 is also provided with a pointer 9, a spring piece is arranged between a ruler body 1 and the positioning disc 8, the ruler body 1 can rotate around the positioning disc 8, the ruler body 4 is provided with a synchronous shaft 5, two ends of the synchronous shaft are respectively provided with a sliding wheel 3, two ends of the synchronous shaft 5 are respectively provided with a spring button 16, the center of the ruler body 4 is provided with an elongated slot 7, length scale lines 6 are arranged above and below the elongated slot 7, and the chalk positioner 10 is arranged in the elongated slot 7. The multi-purpose ruler is ingenious in structure, small in volume and light in mass, thus being very suitable for teaching, and the multi-purpose ruler has all functions of common drawing tools, better practicality, not high manufacturing cost, and wide market.
Description
Technical field:
The utility model relates to a kind of educational aid, especially a kind of teaching multipurpose ruler.
Background technology:
In the teaching, the teacher during drawing geometric figures, always needs to carry a lot of drawing instruments on blackboard, trouble is in the way again, ceaselessly changes instrument in graphing, has drawn complicated figure and has needed long time, student's stand-by period is long, influences classroom atmosphere and quality.
In order to build better classroom atmosphere to the student, improve efficiency of teaching, the utility model discloses a kind of teaching multipurpose ruler of gathering multiple drawing instrument function, this device is simple and convenient, and structure is ingenious, can draw circle, circular arc, straight line, vertical line isocorrelate bar, very short time all can be finished complicated figure, and the utility model manufacturing cost is not high, and practicality is good, more alternative common drawing instruments have more market potential.
The utility model content:
In order to build better classroom atmosphere to the student, improve efficiency of teaching, the utility model discloses a kind of teaching multipurpose ruler of gathering multiple drawing instrument function.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of teaching multipurpose ruler, it is by center of circle locator 2, chi body 4 and chalk locator 10 are formed, described center of circle locator 2 is fixed on the left end of chi body 4, center of circle locator 2 is circular, circumferential edge is provided with angle index line 1, the centre is provided with positioning disk 8, its reverse side is provided with centering angle 11, described centering angle 11 is to adopt magnetic material to make, also be provided with pointer 9 on the positioning disk 8, be provided with spring leaf between described chi body 1 and the positioning disk 8, chi body 1 can rotate around positioning disk 8, can recover assigned position automatically after the rotation;
Described chi 4 is provided with corresponding synchronizing shaft 5 by upper edge with by lower edge, and the synchronizing shaft two ends respectively are provided with movable pulley 3, and described synchronizing shaft 5 two ends respectively are provided with spring button 16, and movable pulley 3 can move on synchronizing shaft 5; 4 central authorities are provided with elongated slot 7 at the chi body, and it all is provided with length graduation mark 6 up and down, is provided with chalk fixator 10 in the elongated slot 7; Be provided with chalk fixing hole 14 in the middle of the described chalk fixator 10, side is provided with chalk hold-down screw 15, turns hold-down screw 15 and can fix or relax chalk 12; Also be provided with dog screw 13 on the described chalk fixator 10, chalk fixator 10 can be locked in the elongated slot 7.
The beneficial effects of the utility model are: the utility model structure is ingenious, and little, the light weight of volume is fit to teaching and uses, and possesses the used function of general drawing instrument very much, and practicality is better, and manufacturing cost is not high, has vast market.
Description of drawings:
Below in conjunction with description of drawings and embodiment the utility model is further specified
Fig. 1 is the utility model front view
Fig. 2 is the utility model rearview
Fig. 3 is the structural representation of chalk fixator
Wherein, 1-angle index line, 2-center of circle locator, 3-movable pulley, 4-chi body, 5-synchronizing shaft, 6-length graduation mark, 7-elongated slot, 8-positioning disk, 9-pointer, 10-chalk locator, 11-centering angle, 12-chalk, 13-dog screw, 14-chalk fixing hole, 15-hold-down screw, 16-spring button
The specific embodiment:
At Fig. 1, Fig. 2, among first embodiment shown in Figure 3, a kind of teaching multipurpose ruler, it is characterized in that: it is by center of circle locator 2, chi body 4 and chalk locator 10 are formed, described center of circle locator 2 is fixed on the left end of chi body 4, center of circle locator 2 is circular, circumferential edge is provided with angle index line 1, the centre is provided with positioning disk 8, its reverse side is provided with centering angle 11, described centering angle 11 is to adopt magnetic material to make, and also is provided with pointer 9 on the positioning disk 8, is provided with spring leaf between described chi body 1 and the positioning disk 8, chi body 1 can rotate around positioning disk 8, can recover original assigned position automatically after the rotation;
Described chi body 4 is provided with corresponding synchronizing shaft 5 by upper edge with by lower edge, and the synchronizing shaft two ends respectively are provided with movable pulley 3, and described synchronizing shaft 5 two ends respectively are provided with spring button 16, and movable pulley 3 can move on synchronizing shaft 5; 4 central authorities are provided with elongated slot 7 at the chi body, and it all is provided with length graduation mark 6 up and down, is provided with chalk fixator 10 in the elongated slot 7; Be provided with chalk fixing hole 14 in the middle of the described chalk fixator 10, side is provided with chalk hold-down screw 15, turns hold-down screw 15 and can fix or relax chalk 12; Also be provided with dog screw 13 on the described chalk fixator 10, chalk fixator 10 can be locked in the elongated slot 7.
In Fig. 1, Fig. 2, second embodiment shown in Figure 3, a kind of teaching multipurpose ruler, it is characterized in that: chalk 12 is put in the chalk fixing hole 14, tightening hold-down screw 15 fixes chalk, when drawing straight line, promote spring button 16, synchronizing shaft 5 is released, only need in elongated slot 7, slightly firmly to spur chalk fixator 10 and get final product to required length;
Draw parallel lines or during vertical line, at original linear position, promote chi body 4, under the effect of synchronizing shaft 5, movable pulley 3 makes that chi body 4 is parallel to move down or move down, and then draws straight line, constitute parallel lines with former straight line, or the preceding length of adjusting chalk of sliding, move and get final product the picture straight line, constitute vertical line with original straight line;
When drawing circle or drawing arc, chalk fixator 10 is moved on to required radius length, the screwed in place screw 13 then, chalk fixator 10 is stuck on the elongated slot 7 to be maintained static, promote spring button 16, synchronizing shaft 5 is inwardly shunk, then the centering angle 11 on the positioning disk 8 is fixed on the center of circle, centering angle 11 has magnetic, can inhale mutually with iron block in the blackboard, it is motionless that the angle 11 of being convenient to feel relieved is fixed on home position, slightly firmly pushes down positioning disk 8 again, allow chi body 4 around positioning disk 8 rotations, wheel shaft is unsettled, easily setting-out on blackboard of chalk, and described pointer 9 positions are motionless, angle index line 1 rotates, and chi body 4 is turned to the number of degrees that need pointer 9 to point to get final product.The utility model integrated operation is got up simple and convenient, can replace multiple drawing tools in the teaching, and practicality is extensive, has vast market.
Claims (5)
- One kind the teaching multipurpose ruler, it is characterized in that: it is made up of center of circle locator (2), chi body (4) and chalk locator (10), described center of circle locator (2) is fixed on the left end of chi body (4), center of circle locator (2) is circular, circumferential edge is provided with angle index line (1), and the centre is provided with positioning disk (8), and its reverse side is provided with centering angle (11), described centering angle (11) adopts magnetic material to make, and also is provided with pointer (9) on the positioning disk (8).
- 2. a kind of teaching multipurpose ruler according to claim 1 is characterized in that: be provided with spring leaf between described chi body (1) and the positioning disk (8).
- 3. a kind of teaching multipurpose ruler according to claim 1, it is characterized in that: described chi body (4) is provided with corresponding synchronizing shaft (5) by upper edge with by lower edge, the synchronizing shaft two ends respectively are provided with movable pulley (3), and described synchronizing shaft (5) two ends respectively are provided with spring button (16).
- 4. a kind of teaching multipurpose ruler according to claim 1 is characterized in that: central authorities are provided with elongated slot (7) at chi body (4), and it all is provided with length graduation mark (6) up and down, are provided with chalk fixator (10) in the elongated slot (7).
- 5. according to claim 1 or 4 described a kind of teaching multipurpose rulers, it is characterized in that: be provided with chalk fixing hole (14) in the middle of the described chalk fixator (10), side is provided with chalk hold-down screw (15), turn hold-down screw (15) and can fix or relax chalk (12), also be provided with dog screw (13) on the described chalk fixator (10), chalk fixator (10) can be locked in the elongated slot (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202553285U CN201824723U (en) | 2010-07-09 | 2010-07-09 | Multi-purpose ruler for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202553285U CN201824723U (en) | 2010-07-09 | 2010-07-09 | Multi-purpose ruler for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201824723U true CN201824723U (en) | 2011-05-11 |
Family
ID=43963277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202553285U Expired - Fee Related CN201824723U (en) | 2010-07-09 | 2010-07-09 | Multi-purpose ruler for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201824723U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640373A (en) * | 2013-12-25 | 2014-03-19 | 邢鹏达 | Combined ruler |
| CN104002592A (en) * | 2014-05-22 | 2014-08-27 | 张泽奎 | Novel multifunctional compasses |
| CN109093590A (en) * | 2018-10-31 | 2018-12-28 | 吴畅 | A kind of construction carpenter Auxiliary Marking lineation device |
| CN109352616A (en) * | 2018-10-23 | 2019-02-19 | 沪东中华造船(集团)有限公司 | A kind of scribble method using portable lineation device |
-
2010
- 2010-07-09 CN CN2010202553285U patent/CN201824723U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640373A (en) * | 2013-12-25 | 2014-03-19 | 邢鹏达 | Combined ruler |
| CN104002592A (en) * | 2014-05-22 | 2014-08-27 | 张泽奎 | Novel multifunctional compasses |
| CN109352616A (en) * | 2018-10-23 | 2019-02-19 | 沪东中华造船(集团)有限公司 | A kind of scribble method using portable lineation device |
| CN109093590A (en) * | 2018-10-31 | 2018-12-28 | 吴畅 | A kind of construction carpenter Auxiliary Marking lineation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20120709 |