CN216184078U - Mathematics is with ruler for teaching - Google Patents
Mathematics is with ruler for teaching Download PDFInfo
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- CN216184078U CN216184078U CN202122417304.6U CN202122417304U CN216184078U CN 216184078 U CN216184078 U CN 216184078U CN 202122417304 U CN202122417304 U CN 202122417304U CN 216184078 U CN216184078 U CN 216184078U
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- ruler
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- ruler rod
- teaching
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Abstract
The utility model relates to the technical field of teaching rulers, in particular to a teaching ruler for mathematics, which comprises a first ruler rod, a second ruler rod and an indicating rod, wherein the middle part of the first ruler rod is provided with a storage groove, one end of the first ruler rod is provided with a fixed shaft, the second ruler rod can be stored in the storage groove, the second ruler rod can rotate on the first ruler rod through the arranged fixed shaft, one end of the fixed shaft is provided with an installation seat, one side of the installation seat is provided with a scale plate, the front side of the first ruler rod is provided with a plurality of scale strips, the structure can be subjected to length drawing through the arranged scale strips, the structure can be conveniently subjected to angle drawing and circle drawing through the arranged scale plate, the using effect of the structure is improved, the top of the second ruler rod is provided with a mounting groove, the lower end of the indicating rod is matched with the mounting groove, and the indicating rod is arranged, the structure can be used as a pointer.
Description
Technical Field
The utility model relates to the technical field of teaching rulers, in particular to a teaching ruler for mathematics.
Background
As is well known, teaching rulers are mainly used for teaching of mathematics and drawing courses.
For example, the patent with the publication number of "CN 212219755U" has the name of "a multifunctional teaching ruler", and the patent discloses "the utility model provides a multifunctional teaching ruler, which comprises a long ruler body, wherein one end of the long ruler body is provided with a protractor, the other end of the long ruler body is fixed with a first ring piece, one end of the long ruler body, which is close to the protractor, is provided with a compass, one end of the long ruler body, which is close to the first ring piece, is provided with a thermometer, the center of the long ruler body is embedded with a bar magnet along the length direction of the long ruler body, the long ruler body is sleeved with a sliding ruler sleeve capable of sliding along the long ruler body, the top of one end of the sliding ruler sleeve is provided with a second ring piece, and the top of the other end of the sliding ruler sleeve is provided with a locking screw. The multifunctional teaching ruler disclosed by the utility model overcomes the defects that the traditional teaching ruler has single function and is inconvenient to carry with teaching rulers with various functions, and obviously improves the use convenience of the multifunctional teaching ruler.
The structure is inconvenient to use on the blackboard when in use, is inconvenient for teachers to teach, cannot simultaneously have the functions of drawing straight lines, drawing corners and drawing circles, and is low in practicability and poor in using effect.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a ruler for teaching mathematics.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: a teaching ruler for mathematics is characterized by comprising a first ruler rod, a second ruler rod and an indicating rod, wherein a storage groove is formed in the middle of the first ruler rod, a fixed shaft is arranged at one end of the first ruler rod, a mounting seat is arranged at one end of the fixed shaft, a scale plate is arranged on one side of the mounting seat and is positioned on one side of the first ruler rod, a wear-resistant pad is arranged on the outer wall of the fixed shaft, a fixed seat is arranged in the storage groove and is positioned at the other end of the first ruler rod, a fixed groove is formed in the top of the fixed seat, a plurality of scale strips are arranged on the front side of the first ruler rod, the second ruler rod is positioned in the storage groove, one end of the second ruler rod is rotatably connected with the fixed shaft, a fixed block is arranged at the other end of the second ruler rod and is matched with the fixed groove, a limit groove is formed in the top of the second ruler rod, one side of second chi pole is equipped with the index mark, and the index mark is located the top of scale plate, the top of second chi pole is equipped with the mounting groove, the lower extreme and the mounting groove of indication lever are mutually supported.
In order to improve the using effect of the structure, the utility model has the improvement that the back part of the first ruler rod is provided with a plurality of anti-skid pads, and the inner wall of the limiting groove is provided with a fastening pad.
In order to improve the practicability of the structure, the utility model is improved in that a handle is arranged at the lower end of the first ruler rod, a fixing bolt is arranged between the handle and the first ruler rod, and a plurality of screw holes are formed in one side of the first ruler rod.
In order to make the structure more portable when in use, the improved structure of the utility model is that the first ruler rod, the second ruler rod and the fixed shaft are all hollow structures.
In order to make the structure more stable in use, the improved structure is characterized in that a matching groove is arranged on the outer wall of the fixed block, a buffer groove is arranged on the inner wall of the fixed groove, a limiting block is arranged in the buffer groove, a spring is arranged between the limiting block and the bottom of the buffer groove, and the limiting block and the matching groove are matched with each other.
(III) advantageous effects
Compared with the prior art, the utility model provides a ruler for teaching of mathematics, which has the following beneficial effects:
the teaching ruler for mathematics comprises a first ruler rod, a second ruler rod and an indicating rod, wherein the middle part of the first ruler rod is provided with a storage groove, one end of the first ruler rod is provided with a fixed shaft, the second ruler rod can be stored through the storage groove, the second ruler rod can rotate on the first ruler rod through the fixed shaft, one end of the fixed shaft is provided with a mounting seat, one side of the mounting seat is provided with a scale plate, the front side of the first ruler rod is provided with a plurality of scale strips, the scale strips are arranged to enable the structure to draw lines in length, the scale plates are arranged to facilitate the structure to draw angles and circles, the use effect of the structure is improved, the top of the second ruler rod is provided with an installation groove, the lower end of the indicating rod is matched with the installation groove, through the indicator pole that is equipped with, can also make this structure use as the teacher's pointer, further improvement the practicality of this structure.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of FIG. 1 in accordance with the present invention;
FIG. 3 is a front view of FIG. 1 in accordance with the present invention;
FIG. 4 is a schematic view of a connection structure between the fixing base and the fixing block in FIG. 1 according to the present invention;
FIG. 5 is a schematic view of the structure of the limiting groove of FIG. 1 according to the present invention;
in the figure: 1. a first blade bar; 2. a second blade bar; 3. a fixed shaft; 4. a storage tank; 5. a fixed seat; 6. fixing grooves; 7. a limiting groove; 8. a fixed block; 9. a mounting seat; 10. a scale plate; 11. an indicator mark; 12. a scale bar; 13. a handle; 14. a non-slip mat; 15. a buffer tank; 16. a spring; 17. a limiting block; 18. a fastening pad; 19. an indicator lever.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the teaching ruler for mathematics of the present invention is characterized in that it comprises a first ruler rod 1, a second ruler rod 2 and an indication rod 19, the middle portion of the first ruler rod 1 is provided with a storage groove 4, one end of the first ruler rod 1 is provided with a fixed shaft 3, one end of the fixed shaft 3 is provided with an installation seat 9, one side of the installation seat 9 is provided with a scale plate 10, the scale plate 10 is positioned at one side of the first ruler rod 1, the outer wall of the fixed shaft 3 is provided with a wear pad, the storage groove 4 is internally provided with a fixed seat 5, the fixed seat 5 is positioned at the other end of the first ruler rod 1, the top of the fixed seat 5 is provided with a fixed groove 6, the front side of the first ruler rod 1 is provided with a plurality of scale bars 12, the second ruler rod 2 is positioned inside the storage groove 4, and one end of the second ruler rod 2 is rotatably connected with the fixed shaft 3, the other end of second chi pole 2 is equipped with fixed block 8, fixed block 8 mutually supports with fixed slot 6, the top of second chi pole 2 is equipped with spacing groove 7, one side of second chi pole 2 is equipped with indicator 11, and indicator 11 is located the top of scale plate 10, the top of second chi pole 2 is equipped with the mounting groove, the lower extreme and the mounting groove of indicator 19 mutually support.
In order to improve the using effect of the structure, the back of the first ruler rod 1 is provided with a plurality of anti-slip pads 14, and the inner wall of the limiting groove 7 is provided with a fastening pad 18.
In order to improve the practicability of the structure, the improvement of the utility model is that the lower end of the first ruler rod 1 is provided with a handle 13, a fixing bolt is arranged between the handle 13 and the first ruler rod 1, one side of the first ruler rod 1 is provided with a plurality of screw holes, in the structure, the handle 13 can be detached by loosening the fixing bolt, thereby facilitating the installation of the handle 13 at a specified position on the first ruler rod 1.
In order to make the structure lighter and lighter when in use, the improvement of the utility model is that the first ruler rod 1, the second ruler rod 2 and the fixed shaft 3 are all hollow structures, and the first ruler rod 1, the second ruler rod 2 and the fixed shaft 3 which are hollow structures can reduce the self weight of the structure on the premise of not influencing the normal use of the structure.
In order to make the structure more stable when in use, the utility model improves that the outer wall of the fixed block 8 is provided with a matching groove, the inner wall of the fixed groove 6 is provided with a buffer groove 15, a limit block 17 is arranged in the buffer groove 15, a spring 16 is arranged between the limiting block 17 and the bottom of the buffer groove 15, the limiting block 17 is matched with the matching groove, here, when the second blade 2 is located inside the storage groove 4, the fixing block 8 is located inside the fixing groove 6, and the stopper 17 is located inside the fitting groove, and the spring 16 in the buffer groove 15 provides an elastic force to the stopper 17, so that the second blade 2 can be stably stored in the storage groove 4, here, stopper 17 in this structure is hemisphere stopper 17, when needs take out second chi pole 2, pull out hard can, simple structure, convenient operation.
In summary, when the teaching ruler for mathematics of the present invention is used, the second ruler rod 2 is initially positioned inside the storage groove 4 on the first ruler rod 1, and the fixing block 8 is positioned inside the fixing groove 6, when the structure is used to draw a line, the handle 13 is grabbed, the back of the first ruler rod 1 is placed at a designated position, then the first ruler rod 1 can be used to draw a line through the scale bar 12 on the first ruler rod 1, when the structure is used to draw an angle or a circle, the position of the first ruler rod 1 is maintained, the second ruler rod 2 is pulled, the second ruler rod 2 rotates on the first ruler rod 1 through the action of the fixing shaft 3, the indicating mark 11 rotates, the indicating mark 11 corresponds to the scale plate 10 on the mounting seat 9, the drawn angle is determined accurately through the scale plate 10, and the use effect of the structure is improved, in this structure, the bottom of instruction pole 19 is located the inside of mounting groove, when using instruction pole 19, can also make this structure use as the teacher's pointer, further improvement the practicality of this structure, when not using instruction pole 19, with instruction pole 19 take out on the mounting groove can, in this structure, fixed axle 3 is fixed on first chi pole 1, scale plate 10 is fixed in fixed axle 3 one end to ensure the stability of this structure when using.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The teaching ruler for mathematics is characterized by comprising a first ruler rod (1), a second ruler rod (2) and an indicating rod (19), wherein a storage groove (4) is formed in the middle of the first ruler rod (1), a fixing shaft (3) is arranged at one end of the first ruler rod (1), a mounting seat (9) is arranged at one end of the fixing shaft (3), a scale plate (10) is arranged on one side of the mounting seat (9), the scale plate (10) is located on one side of the first ruler rod (1), a wear-resistant pad is arranged on the outer wall of the fixing shaft (3), a fixing seat (5) is arranged in the storage groove (4), the fixing seat (5) is located at the other end of the first ruler rod (1), a fixing groove (6) is formed in the top of the fixing seat (5), a plurality of scale strips (12) are arranged on the front side of the first ruler rod (1), and the second ruler rod (2) is located inside the storage groove (4), just the one end and the fixed axle (3) of second chi pole (2) rotate to be connected, the other end of second chi pole (2) is equipped with fixed block (8), fixed block (8) and fixed slot (6) are mutually supported, the top of second chi pole (2) is equipped with spacing groove (7), one side of second chi pole (2) is equipped with indicator (11), and indicator (11) are located the top of scale plate (10), the top of second chi pole (2) is equipped with the mounting groove, the lower extreme and the mounting groove of indicator (19) are mutually supported.
2. A teaching ruler for mathematics according to claim 1 characterized in that the back of the first ruler rod (1) is provided with a plurality of anti-slip pads (14).
3. The teaching ruler of claim 1, wherein the inner wall of the limiting groove (7) is provided with a fastening pad (18).
4. The teaching ruler for mathematics as claimed in claim 1, wherein the lower end of the first ruler rod (1) is provided with a handle (13), a fixing bolt is arranged between the handle (13) and the first ruler rod (1), and one side of the first ruler rod (1) is provided with a plurality of screw holes.
5. A teaching ruler according to claim 1, wherein the first ruler rod (1), the second ruler rod (2) and the fixed shaft (3) are all hollow structures.
6. The ruler of claim 1, wherein the outer wall of the fixing block (8) is provided with a matching groove, the inner wall of the fixing groove (6) is provided with a buffer groove (15), the inside of the buffer groove (15) is provided with a limiting block (17), a spring (16) is arranged between the limiting block (17) and the bottom of the buffer groove (15), and the limiting block (17) is matched with the matching groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122417304.6U CN216184078U (en) | 2021-10-05 | 2021-10-05 | Mathematics is with ruler for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122417304.6U CN216184078U (en) | 2021-10-05 | 2021-10-05 | Mathematics is with ruler for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216184078U true CN216184078U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122417304.6U Active CN216184078U (en) | 2021-10-05 | 2021-10-05 | Mathematics is with ruler for teaching |
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| CN (1) | CN216184078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI795017B (en) * | 2021-10-07 | 2023-03-01 | 城市學校財團法人臺北城市科技大學 | Silicone painted ruler |
-
2021
- 2021-10-05 CN CN202122417304.6U patent/CN216184078U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI795017B (en) * | 2021-10-07 | 2023-03-01 | 城市學校財團法人臺北城市科技大學 | Silicone painted ruler |
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