CN209869859U - Multifunctional teaching ruler - Google Patents
Multifunctional teaching ruler Download PDFInfo
- Publication number
- CN209869859U CN209869859U CN201920552942.9U CN201920552942U CN209869859U CN 209869859 U CN209869859 U CN 209869859U CN 201920552942 U CN201920552942 U CN 201920552942U CN 209869859 U CN209869859 U CN 209869859U
- Authority
- CN
- China
- Prior art keywords
- ruler
- chalk
- strip
- shaped opening
- rotating
- 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
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model relates to a multi-functional teaching chi relates to education supplies field, has solved the teaching chi among the prior art problem of inconvenient operation when drawing the pitch arc. The method comprises the following steps: a main straightedge; the graphometer is arranged on the lower side of the left end of the main ruler in an inverted mode; the circle center rotating shaft is arranged at the circle center of the graphometer; the rotating ruler is rotatably arranged on the circle center rotating shaft and is positioned at the front ends of the main ruler and the graphometer, and the rotating ruler at least comprises a scale pointer end pointing to the graduation line of the graphometer and a rotating ruler extending reversely along the scale pointer end; and the arc line drawing functional mechanism at least comprises a radius adjusting mechanism which is arranged on the rotating ruler and moves along the extending direction of the rotating ruler and a chalk fixing mechanism which is driven by the radius adjusting mechanism to move. This device can be convenient draw the pitch arc to more convenient adjustment pitch arc radius and angle improve teaching efficiency.
Description
Technical Field
The utility model relates to an educational supplies technical field, in particular to multi-functional teaching chi.
Background
In school teaching, teachers often draw various figures with the teaching ruler in class, so that the teaching ruler is a commonly used teaching article in class.
Present teaching ruler has and is used for drawing straight line and pitch arc specially, but current teaching ruler operates very inconveniently when drawing the pitch arc, has influenced teaching efficiency. In order to improve the above problem, it is necessary to design a multifunctional teaching ruler.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the teaching ruler among the prior art inconvenient technical problem of operation when drawing the pitch arc, provide a multi-functional teaching ruler.
In order to solve the technical problem, the technical scheme of the utility model is specifically as follows:
a multi-functional teaching ruler comprising:
a main straightedge;
the graphometer is arranged on the lower side of the left end of the main ruler in an inverted mode;
the circle center rotating shaft is arranged at the circle center of the graphometer;
the rotating ruler is rotatably arranged on the circle center rotating shaft and is positioned at the front ends of the main ruler and the semi-circular instrument, and the rotating ruler at least comprises a scale pointer end pointing to the scale lines of the semi-circular instrument and a rotating ruler extending reversely along the scale pointer end;
and the arc line drawing functional mechanism at least comprises a radius adjusting mechanism and a chalk fixing mechanism, wherein the radius adjusting mechanism is arranged on the rotating ruler and moves in the extending direction of the rotating ruler, and the chalk fixing mechanism is driven by the radius adjusting mechanism to move.
Preferably, the rotating ruler is provided with a strip-shaped opening, and the strip-shaped opening is formed along the extending direction of the rotating ruler;
the two sides of the strip-shaped opening on the rotary ruler are respectively a first edge and a second edge;
the radius adjusting mechanism is arranged on the second edge in a sliding mode and drives the chalk fixing mechanism to move in the strip-shaped opening.
Preferably, the radius adjusting mechanism includes:
the sliding ring is sleeved on the second edge in a sliding manner;
the first threaded hole is formed in one end, far away from the strip-shaped opening, of the sliding ring;
and the first fastening screw is in threaded fit with the first threaded hole and is pressed on the second edge.
Preferably, the chalk fixing mechanism comprises:
the chalk placing ferrule is positioned in the strip-shaped opening and connected to one end, positioned in the strip-shaped opening, of the sliding ring, and the chalk placing ferrule can enable chalk to be inserted;
the second threaded hole is formed in the side surface of the chalk placing ferrule;
and the second fastening screw is in threaded fit with the second threaded hole and compresses the chalk placed in the chalk placing ferrule.
Preferably, a radius value scale mark extending along the extending direction of the strip-shaped opening is arranged on the first edge, and the zero scale of the radius value scale mark coincides with the central point of the circle center rotating shaft.
Preferably, a pointer pointing to the radius value scale mark is arranged on the sliding ring.
The utility model discloses following beneficial effect has:
the utility model discloses a multi-functional teaching ruler utilizes and rotates the pitch arc on the ruler and draw functional mechanism in the rotation chi, drives chalk fixed establishment through radius adjustment mechanism and removes, adjusts the radius that needs to draw the pitch arc then to utilize the fixed chalk of chalk fixed establishment, convenient drawing pitch arc on the blackboard, utilize the directional semi-circular appearance of scale pointer end to confirm the angle of drawing the pitch arc simultaneously, convenient again is swift. To sum up, this device can be convenient draw the pitch arc to more convenient adjustment pitch arc radius and angle improve teaching efficiency.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of a multifunctional teaching ruler of the present invention;
FIG. 2 is a front view of a multifunctional teaching ruler of the present invention;
fig. 3 is a schematic structural view of a radius adjusting mechanism of the multifunctional teaching ruler of the present invention;
fig. 4 is a partial enlarged view of fig. 1 of the multifunctional teaching ruler of the present invention.
The reference numerals in the figures denote:
1. a main straightedge; 2. a graphometer; 3. a circle center rotating shaft; 4. a graduated pointer end; 5. rotating the ruler; 6. a strip-shaped opening; 7. a first edge; 8. a second edge; 9. a sliding ring; 10. a first threaded hole; 11. a fastening screw I; 12. a chalk placing ferrule; 13. a second threaded hole; 14. a second fastening screw; 15. radius value scale lines; 16. a pointer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a multi-functional teaching ruler comprises:
a main straightedge 1;
the graphometer 2 is arranged on the lower side of the left end of the main ruler 1 in an inverted mode;
the circle center rotating shaft 3 is arranged at the circle center of the graphometer 2;
the rotating ruler is rotatably arranged on the circle center rotating shaft 3 and is positioned at the front ends of the main ruler 1 and the semi-circular instrument 2, and the rotating ruler at least comprises a scale pointer end 4 pointing to the scale marks of the semi-circular instrument 2 and a rotating ruler 5 extending reversely along the scale pointer end 4;
and the arc line drawing functional mechanism at least comprises a radius adjusting mechanism which is arranged on the rotating ruler 5 and moves along the extending direction of the rotating ruler 5 and a chalk fixing mechanism which is driven by the radius adjusting mechanism to move.
The rotary ruler 5 is provided with a strip-shaped opening 6, and the strip-shaped opening 6 is formed along the extension direction of the rotary ruler 5;
the two sides of the strip-shaped opening 6 on the rotary ruler 5 are respectively provided with a first edge 7 and a second edge 8;
the radius adjusting mechanism is arranged on the second edge 8 in a sliding mode and drives the chalk fixing mechanism to move in the strip-shaped opening 6.
The radius adjustment mechanism includes:
the sliding ring 9 is sleeved on the second edge 8 in a sliding manner;
the first threaded hole 10 is formed in one end, far away from the strip-shaped opening 6, of the sliding ring 9;
and a first fastening screw 11, wherein the first fastening screw 11 is in threaded fit with the first threaded hole 10 and is pressed on the second edge 8.
The chalk fixing mechanism comprises:
a chalk placing ferrule 12, wherein the chalk placing ferrule 12 is positioned in the strip-shaped opening 6 and is connected to one end, positioned in the strip-shaped opening 6, of the sliding ring 9, and the chalk can be inserted into the chalk placing ferrule 12;
a second threaded hole 13, wherein the second threaded hole 13 is formed in the side surface of the chalk placing ferrule 12;
and a second fastening screw 14, wherein the second fastening screw 14 is in threaded fit with the second threaded hole 13 and compresses the chalk placed in the chalk placing ferrule 12.
The first edge 7 is provided with a radius value scale line 15 extending along the extending direction of the strip-shaped opening 6, and the zero scale of the radius value scale line 15 is superposed with the central point of the circle center rotating shaft 3.
The sliding ring 9 is provided with a pointer 16 pointing to the radius value scale 15.
The working principle is as follows:
in use of the device, a straight line is drawn using the main straightedge 1 and an angle is measured using the graphometer 2. When arc or circular are drawn to needs, utilize the pitch arc on the rotation ruler 5 to draw functional mechanism, drive chalk fixed establishment through radius adjustment mechanism and remove, adjust the radius that needs draw the pitch arc then to utilize chalk fixed establishment to fix the chalk, convenient drawing pitch arc on the blackboard utilizes the directional semi-circular appearance of scale pointer end to confirm the angle of drawing the pitch arc simultaneously, and is convenient swift again. Specifically, the circle center rotating shaft 3 plays a role in supporting the scale pointer end 4 and the rotating ruler 5 in the rotating ruler, and the rotating ruler can rotate by taking the circle center rotating shaft 3 as a circle center. The sliding ring 9 in the radius adjusting mechanism slides on the second edge 8 on the rotary ruler 5 and simultaneously drives the chalk fixing mechanism to slide in the strip-shaped opening 6, the pointer 16 is used for determining the reading of the radius value scale mark 15 on the first edge 7, because the zero scale of the radius value scale mark 15 is overlapped with the central point of the circle center rotating shaft 3, the reading of the pointer 16 pointing to the radius value scale mark 15 is the radius of an arc to be drawn, then the first fastening screw 11 in threaded fit with the first threaded hole 10 is screwed, the first fastening screw 11 is enabled to be abutted against the second edge 8, and at the moment, the sliding ring 9 is fixed. When the chalk is fixed by the chalk fixing mechanism, the chalk is firstly extended into the chalk placing ferrule 12, and the chalk end is abutted against the blackboard. And then screwing a second fastening screw 14 in threaded fit with the second threaded hole 13, so that the second fastening screw 14 is fixed against chalk. Then the rotating ruler is rotated to drive the chalk to slide out of the arc line on the blackboard, and meanwhile, the central angle of the arc line is read out through the semicircle instrument 2 through the track which the graduated pointer end 4 walks when rotating. To sum up, this device can be convenient draw the pitch arc to more convenient adjustment pitch arc radius and angle improve teaching efficiency.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (6)
1. A multifunctional teaching ruler, comprising:
a main straightedge (1);
the graphometer (2) is arranged on the lower side of the left end of the main ruler (1) in an inverted mode;
the circle center rotating shaft (3) is arranged at the circle center of the semi-circular instrument (2);
the rotating ruler is rotatably arranged on the circle center rotating shaft (3) and is positioned at the front ends of the main ruler (1) and the semi-circular instrument (2), and the rotating ruler at least comprises a scale pointer end (4) pointing to scale marks of the semi-circular instrument (2) and a rotating ruler (5) extending reversely along the scale pointer end (4);
and the arc line drawing function mechanism at least comprises a radius adjusting mechanism and a chalk fixing mechanism, wherein the radius adjusting mechanism is arranged on the rotating ruler (5) and moves along the extending direction of the rotating ruler (5), and the chalk fixing mechanism is driven to move by the radius adjusting mechanism.
2. A multifunctional teaching ruler as claimed in claim 1, wherein the rotary ruler (5) is provided with a strip-shaped opening (6), and the strip-shaped opening (6) is formed along the extension direction of the rotary ruler (5);
the two sides of the strip-shaped opening (6) on the rotary ruler (5) are respectively provided with a first edge (7) and a second edge (8);
the radius adjusting mechanism is arranged on the second edge (8) in a sliding mode and drives the chalk fixing mechanism to move in the strip-shaped opening (6).
3. A multi-functional teaching ruler as claimed in claim 2 wherein the radius adjustment mechanism comprises:
the sliding ring (9), the sliding ring (9) is sleeved on the second edge (8) in a sliding manner;
the first threaded hole (10) is formed in one end, far away from the strip-shaped opening (6), of the sliding ring (9);
and the first fastening screw (11) is in threaded fit with the first threaded hole (10) and is pressed on the second edge (8).
4. A multi-functional teaching ruler as claimed in claim 3 wherein the chalk holding mechanism comprises:
a chalk placing ferrule (12), wherein the chalk placing ferrule (12) is positioned in the strip-shaped opening (6) and is connected to one end, positioned in the strip-shaped opening (6), of the sliding ring (9), and chalk can be inserted into the chalk placing ferrule (12);
a second threaded hole (13), wherein the second threaded hole (13) is formed in the side surface of the chalk placing ferrule (12);
and a second fastening screw (14), wherein the second fastening screw (14) is in threaded fit with the second threaded hole (13) and compresses the chalk placed in the chalk placing ferrule (12).
5. A multifunctional teaching ruler according to claim 4, characterized in that the first edge (7) is provided with a radius value scale line (15) extending in the extension direction of the strip-shaped opening (6), and the zero scale of the radius value scale line (15) coincides with the center point of the circle center rotating shaft (3).
6. A multi-functional teaching ruler according to claim 5, characterized in that the sliding ring (9) is provided with a pointer (16) pointing to the radius value scale (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920552942.9U CN209869859U (en) | 2019-04-22 | 2019-04-22 | Multifunctional teaching ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920552942.9U CN209869859U (en) | 2019-04-22 | 2019-04-22 | Multifunctional teaching ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209869859U true CN209869859U (en) | 2019-12-31 |
Family
ID=68961559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920552942.9U Expired - Fee Related CN209869859U (en) | 2019-04-22 | 2019-04-22 | Multifunctional teaching ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209869859U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516416A (en) * | 2020-04-21 | 2020-08-11 | 安徽理工大学 | Drawing rule for applied mathematics teaching |
| CN112729040A (en) * | 2021-01-19 | 2021-04-30 | 余光明 | Angle ruler |
-
2019
- 2019-04-22 CN CN201920552942.9U patent/CN209869859U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516416A (en) * | 2020-04-21 | 2020-08-11 | 安徽理工大学 | Drawing rule for applied mathematics teaching |
| CN112729040A (en) * | 2021-01-19 | 2021-04-30 | 余光明 | Angle ruler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209869859U (en) | Multifunctional teaching ruler | |
| CN204278857U (en) | A kind of Multifunctional math teaching aid | |
| CN203713333U (en) | Multifunctional mathematical teaching aid | |
| CN204414928U (en) | A kind of Multifunctional math teaching aid | |
| CN202896066U (en) | Multifunctional compasses for mathematical education | |
| CN211969014U (en) | Multifunctional drawing device for mathematical teaching | |
| CN108819573B (en) | Circle drawing equipment for mathematical education | |
| CN204659290U (en) | A kind of integrated mathematical education survey tool | |
| CN203063423U (en) | Combined mathematic teaching aid | |
| CN201501217U (en) | Multi-functional plotting instrument | |
| CN211054797U (en) | Drawing tool for mathematics teaching | |
| CN209794998U (en) | Mathematical drawing tool | |
| CN211106598U (en) | Multifunctional mathematical teaching aid for teaching | |
| CN208411221U (en) | A kind of Multifunctional straightedge | |
| CN201580152U (en) | Multifunctional square ruler | |
| CN104608529A (en) | Multifunctional mathematical education tool | |
| CN220465108U (en) | Multifunctional teaching drawing rule | |
| CN206124548U (en) | Drawing rule is used in collapsible natural sciences teaching of conveniently carrying | |
| CN202463336U (en) | Multifunction teaching ruler and compass | |
| CN209395475U (en) | High school mathematics multifunctional drawing tool | |
| CN213472628U (en) | Combined drawing tool for mathematics teaching | |
| CN201592602U (en) | Drawing ruler for teaching | |
| CN209794997U (en) | multifunctional drawing ruler | |
| CN209580955U (en) | A kind of student's novel angle gauge | |
| CN211138813U (en) | Multifunctional teaching ruler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 625, floor 6, building a, Science Park building, No. 2499, Weishan Road, Changchun hi tech Development Zone, 130000, Jilin Province Patentee after: Jilin Shenzhou Intelligent System Co.,Ltd. Address before: Room 625, floor 6, building a, Science Park building, No. 2499, Weishan Road, Changchun hi tech Development Zone, 130000, Jilin Province Patentee before: Jilin Shenzhou Education Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |