CN114228374B - Convenient drawing device for mathematical education and application method thereof - Google Patents
Convenient drawing device for mathematical education and application method thereof Download PDFInfo
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- CN114228374B CN114228374B CN202210062911.1A CN202210062911A CN114228374B CN 114228374 B CN114228374 B CN 114228374B CN 202210062911 A CN202210062911 A CN 202210062911A CN 114228374 B CN114228374 B CN 114228374B
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 17
- 230000009471 action Effects 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/001—Mathematical drawing instruments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L9/00—Circular curve-drawing or like instruments
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/56—Gauges for measuring angles or tapers, e.g. conical calipers
- G01B3/563—Protractors
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Abstract
The invention discloses a convenient drawing device for mathematical education and a use method thereof, comprising a drawing device main body, an extension assembly, an angle drawing assembly and a circular drawing assembly, wherein the extension assembly is fixed on the inner wall of one side of the drawing device main body, the angle drawing assembly is fixed on the outer wall of one side of the drawing device main body, and the circular drawing assembly is fixed on the outer wall of the bottom end of the drawing device main body; the stretching assembly comprises a storage groove, a sliding groove, a rotating wheel, a first rotating shaft, a first rotating plate, a first spring, a measuring angle square, a connecting plate, a first sliding block and a second spring, wherein the storage groove is formed in the inner wall of one side of the plotter main body; the invention can store the measurer without occupying external space, thereby being convenient to carry and improving the carrying effect; the angle drawing can be performed at the blackboard, the drawing structure is increased, and the self-drawing is reduced, so that the drawing accuracy is improved, and the drawing effect is improved.
Description
Technical Field
The invention belongs to the technical field of mathematical education, and particularly relates to a convenient drawing device for mathematical education and a use method thereof.
Background
The number is a subject of concepts of research quantity, structure, change, space, information and the like, and mathematics is a general means for strictly describing abstract structures and modes of things by human beings, and can be applied to any problem in the real world, all mathematical objects are artificially defined in nature, and when in mathematical education, drawing tools are needed for drawing.
But current convenient drawing device generally does not have the structure of accomodating, leads to structures such as caliber to be in the outside generally, leads to carrying inconvenient inadequately, has reduced the effect of carrying, generally does not have the angle drawing moreover, leads to drawing structure singleness, needs artifical drawing angle, leads to the angle drawing not accurate enough, has reduced the drawing effect of angle, generally does not have circular drawing moreover, leads to needing the manual work to draw the circle, makes circular drawing generally like this, has reduced the drawing effect.
Disclosure of Invention
The invention aims to provide a convenient drawing device for mathematical education and a use method thereof, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the convenient drawing device for mathematical education comprises a drawing device main body, an extension assembly, an angle drawing assembly and a circular drawing assembly, wherein the extension assembly is fixed on the inner wall of one side of the drawing device main body, the angle drawing assembly is fixed on the outer wall of one side of the drawing device main body, and the circular drawing assembly is fixed on the outer wall of the bottom end of the drawing device main body;
the stretching assembly comprises a storage groove, sliding grooves, rotating wheels, a first rotating shaft, a first rotating plate, a first spring, a measuring angle square, a connecting plate, a first sliding block and a second spring, wherein the storage groove is formed in one side inner wall of the plotter main body, the connecting plate is symmetrically installed on one side inner wall of the storage groove, the sliding grooves are formed in the two side inner walls of the connecting plate in a corresponding mode, the measuring angle square is fixedly connected on one side outer wall of the connecting plate in a plastic mode, the second spring is symmetrically and fixedly connected on the outer wall between the connecting plates, the rotating wheels are installed on the outer wall between the connecting plates, the first rotating shaft is fixedly connected on the top end outer wall of the rotating wheels, one side of the first rotating shaft is rotatably connected on the inner wall of the storage groove, the first rotating plate is fixedly connected on the top end outer wall of the first rotating shaft in a plastic mode, the first spring is fixedly connected on the bottom end outer wall of the first rotating plate, and the bottom end of the first spring is fixedly connected on the outer wall of the plotter main body.
As still further aspects of the invention: the angle drawing assembly comprises ear blocks, second rotating shafts, rotating rulers, connecting holes, guide rails, nuts, screws and screwing heads, the ear blocks are symmetrically and fixedly connected to one side outer wall of the drawing device body in a plastic mode, the rotating rulers are installed on the outer wall between the ear blocks, the second rotating shafts are fixedly connected to the outer walls of the two sides of the rotating rulers, the other ends of the second rotating shafts are rotationally connected to the inner walls of the ear blocks, the connecting holes are formed in one side inner wall of the rotating rulers, the screws are sleeved on one side inner wall of the connecting holes, the guide rails are fixedly connected to one side outer wall of the drawing device body in a plastic mode corresponding to the screws, the nuts are connected to the outer walls of the bottom ends of the screws in a threaded mode, and the screwing heads are fixedly welded to the outer walls of the top ends of the screws.
As still further aspects of the invention: the circular drawing component comprises a third rotating shaft, a magnetic chuck, a sliding rail, a guide hole, a threaded rod, a second rotating plate, a second sliding block, a threaded hole and a chalk placing groove, wherein the third rotating shaft is rotationally connected to the inner wall of the bottom end of the main body of the drawing device, the magnetic chuck is fixedly connected to the outer wall of the bottom end of the third rotating shaft, the main body of the drawing device is located on the outer wall of one side of the magnetic chuck and is fixedly connected with the sliding rail in a plastic connection mode, the threaded rod is rotationally connected to the inner wall of one side of the sliding rail, the guide hole is correspondingly formed in the inner wall of one side of the sliding rail, the second rotating plate is fixedly connected to the outer wall of one end of the threaded rod, the second sliding block is slidingly connected with the second sliding block, the threaded hole is correspondingly formed in the inner wall of one side of the second sliding block, and the chalk placing groove is formed in the inner wall of the bottom end of the second sliding block.
As still further aspects of the invention: the outer wall of the top end of the plotter main body is fixedly connected with a handle in a plastic mode.
As still further aspects of the invention: the shape of the rotating wheel is elliptical.
As still further aspects of the invention: the inner wall of one side of the first spring is sleeved on the outer wall of the first rotating shaft, and the first spring is a torsion spring.
As still further aspects of the invention: the guide rail is arc-shaped.
As still further aspects of the invention: the utility model provides a use method for convenient drawing device of mathematical education, when the needs angle square, remove the plotter main part through the handle to the position that needs to be measured on, then rotatory first rotating plate makes the epaxial rotor of first pivot carry out ninety degrees rotations along the storage tank, thereby make the protruding position of rotor carry out the extrusion to the connecting plate, and then make the first slider on the connecting plate remove along the spout, so make the angle square stretch out from the storage tank inside, after measuring, loosen first rotating plate, under the effect of first spring, make the epaxial rotor of first pivot reset, at this moment under the effect of second spring, make the angle square accomodate the inside of storage tank again, when the angle drawing time, rotate the inside screw of connecting hole through twisting the head, thereby loosen with the nut, then make the rotor square rotate along the second pivot on the ear piece, and through the scale on the guide rail rotates the assigned position, reverse twist the head, carry out the screw with the nut again tightly, thereby fix the rotor square, then carry out the angle again, after that the measurement is accomplished, loosen first rotating plate, the chalk is placed along the first rotary rail through the second rotating plate, then the round through the second rotary plate, the chalk is placed on the round-shaped groove is placed to the blackboard, then the chalk is placed along the first rotary groove, when the chalk is placed on the round position of the blackboard, then the round-shaped groove is placed to the round through the second rotary plate, the chalk is placed on the round top, the round top is then the round-shaped through the tip is placed to the blackboard, the position through the effect on the tip is placed on the blackboard.
The beneficial effects of the invention are as follows:
1. when the angle measuring ruler is needed, the plotter main body is moved to a position to be measured through the handle, and then the first rotating plate is rotated to enable the rotating wheel on the first rotating shaft to rotate ninety degrees along the containing groove, so that the protruding part of the rotating wheel extrudes the connecting plate, and further the first sliding block on the connecting plate moves along the sliding groove, so that the angle measuring ruler extends out of the containing groove, a measurer can be contained without occupying an external space, and the angle measuring ruler is convenient to carry and improves the carrying effect;
2. the screw inside the connecting hole is rotated through the screwing head so as to be loosened with the nut, then the rotating ruler is rotated along the second rotating shaft on the ear block and is rotated to a designated position through the scale on the guide rail, at the moment, the screwing head is reversely screwed, the screw and the nut are screwed again, so that the rotating ruler is fixed, angle drawing can be performed at the blackboard, the drawing structure is increased, self-drawing is reduced, the drawing accuracy is improved, and the drawing effect is improved;
3. the second rotating plate rotates the threaded rod along the guide hole in the sliding rail, then the second sliding block moves to the designated position along the sliding rail under the action of the threaded hole, then the chalk is placed in the chalk placing groove, at the moment, the magnetic chuck is placed on the blackboard, the blackboard is adsorbed, then the main body of the plotter rotates by one circle along the third rotating shaft through the handle, a circle can be drawn at the blackboard without drawing the circle by hands, and thus, the circular drawing is improved, and the drawing effect is further improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic top cut-away view of the present invention;
FIG. 3 is a schematic view of the present invention in front elevation cut-away;
FIG. 4 is an enlarged view of the structure of the clamping assembly of the present invention at area A of FIG. 3;
FIG. 5 is a schematic bottom perspective view of the present invention;
in the figure: 1. a plotter body; 2. an extension assembly; 3. an angle drawing component; 4. a circular drawing assembly; 5. a handle; 201. a storage groove; 202. a chute; 203. a rotating wheel; 204. a first rotating shaft; 205. a first rotating plate; 206. a first spring; 207. a measuring angle ruler; 208. a connecting plate; 209. a first slider; 2010. a second spring; 301. ear pieces; 302. a second rotating shaft; 303. rotating the ruler; 304. a connection hole; 305. a guide rail; 306. a nut; 307. a screw; 308. screwing the head; 401. a third rotating shaft; 402. a magnetic chuck; 403. a slide rail; 404. a guide hole; 405. a threaded rod; 406. a second rotating plate; 407. a second slider; 408. a threaded hole; 409. chalk placing groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-2, the present invention provides a technical solution: a convenient drawing device for mathematical education comprises a drawing device main body 1, an extension assembly 2, an angle drawing assembly 3 and a circular drawing assembly 4, wherein the extension assembly 2 is fixed on the inner wall of one side of the drawing device main body 1, the angle drawing assembly 3 is fixed on the outer wall of one side of the drawing device main body 1, and the circular drawing assembly 4 is fixed on the outer wall of the bottom end of the drawing device main body 1; the handle 5 is fixedly connected to the outer wall of the top end of the plotter main body 1 in a plastic mode, and the plotter main body 1 is taken to a designated position through the handle 5, so that the transfer effect is improved;
the stretching assembly 2 comprises a storage groove 201, a sliding groove 202, a rotating wheel 203, a first rotating shaft 204, a first rotating plate 205, a first spring 206, a protractor 207, a connecting plate 208, a first sliding block 209 and a second spring 2010, wherein the storage groove 201 is formed in one side inner wall of the plotter main body 1, the connecting plate 208 is symmetrically arranged on one side inner wall of the storage groove 201, the first sliding blocks 209 are fixedly connected on the two side outer walls of the connecting plate 208 in a plastic mode, the sliding groove 202 is formed in the two side inner walls of the storage groove 201 corresponding to the first sliding block 209, a protractor 207 is fixedly connected on one side outer wall of the connecting plate 208 in a plastic mode, the second spring 2010 is symmetrically and fixedly connected on the outer walls between the connecting plates 208, the rotating wheel 203 is arranged on the outer walls between the connecting plates 208, the first rotating shaft 204 is fixedly connected on the top end outer wall of the rotating wheel 203, the first rotating plate 205 is rotatably connected on the inner wall of the storage groove 201, the first rotating plate 205 is fixedly connected on the top end outer wall of the first rotating plate 204, the first spring 206 is fixedly connected on the bottom end outer wall of the first rotating plate 205, and the bottom end of the first spring 206 is fixedly connected on the outer wall of the plotter main body 1; the shape of the rotating wheel 203 is elliptical, so that the protruding part of the rotating wheel 203 extrudes the connecting plate 208, and further, the first sliding block 209 on the connecting plate 208 moves along the sliding groove 202, thereby improving the stretching effect; the inner wall of one side of the first spring 206 is sleeved on the outer wall of the first rotating shaft 204, the first spring 206 is a torsion spring, the first rotating plate 205 is loosened, and the rotating wheel 203 on the first rotating shaft 204 is reset under the action of the first spring 206.
Working principle: when the angle measuring ruler 207 is needed, the plotter main body 1 is moved to a position to be measured through the handle 5, then the first rotating plate 205 is rotated to enable the rotating wheel 203 on the first rotating shaft 204 to rotate ninety degrees along the containing groove 201, so that the protruding portion of the rotating wheel 203 presses the connecting plate 208, and further the first sliding block 209 on the connecting plate 208 moves along the sliding groove 202, so that the angle measuring ruler 207 extends out of the containing groove 201, after the measurement is finished, the first rotating plate 205 is loosened, the rotating wheel 203 on the first rotating shaft 204 is reset under the action of the first spring 206, at the moment, the angle measuring ruler 207 can be contained in the containing groove 201 again under the action of the second spring 2010, and the angle measuring ruler 207 does not need to occupy external space, so that the angle measuring ruler is convenient to carry, and the carrying effect is improved.
Example two
Referring to fig. 3-4, the angle drawing component 3 includes an ear block 301, a second rotating shaft 302, a rotating ruler 303, a connecting hole 304, a guide rail 305, a nut 306, a screw 307 and a screwing head 308, wherein the ear block 301 is symmetrically and fixedly connected to the outer wall of one side of the main body 1 of the drawing device, the rotating ruler 303 is installed on the outer wall between the ear blocks 301, the second rotating shaft 302 is fixedly connected to the outer walls of the two sides of the rotating ruler 303, the other end of the second rotating shaft 302 is rotatably connected to the inner wall of the ear block 301, the connecting hole 304 is formed in the inner wall of one side of the rotating ruler 303, the screw 307 is sleeved on the inner wall of one side of the connecting hole 304, the guide rail 305 is fixedly connected to the outer wall of one side of the main body 1 of the drawing device in a plastic mode corresponding to the screw 307, the nut 306 is connected to the outer wall of the bottom end of the screw 307 in a threaded mode, and the screwing head 308 is fixedly welded to the outer wall of the top end of the screw 307; the guide rail 305 is arc-shaped, and the scale on the guide rail 305 rotates to a designated position, so that the rotating ruler 303 can be conveniently rotated to the designated position.
When angle drawing is needed, the screw 307 in the connecting hole 304 is rotated through the screwing head 308 so as to be loosened with the nut 306, then the rotating ruler 303 is rotated along the second rotating shaft 302 on the ear block 301 and is rotated to a designated position through scales on the guide rail 305, at the moment, the screwing head 308 is reversely screwed, the screw 307 and the nut 306 are re-screwed, so that the rotating ruler 303 is fixed, then the angle drawing is performed at the blackboard, the angle drawing can be performed at the blackboard, the drawing structure is increased, the self-drawing is reduced, the drawing accuracy is improved, and the drawing effect is improved.
Example III
Referring to fig. 5, the circular drawing assembly 4 includes a third rotating shaft 401, a magnetic chuck 402, a sliding rail 403, a guiding hole 404, a threaded rod 405, a second rotating plate 406, a second slider 407, a threaded hole 408 and a chalk placing groove 409, wherein the third rotating shaft 401 is rotationally connected to the inner wall of the bottom end of the drawing device body 1, the magnetic chuck 402 is fixedly connected to the outer wall of the bottom end of the third rotating shaft 401, the sliding rail 403 is fixedly connected to the outer wall of the drawing device body 1 on one side of the magnetic chuck 402 in a plastic-connected manner, the threaded rod 405 is rotationally connected to the inner wall of one side of the sliding rail 403, the guiding hole 404 is formed on the inner wall of one side of the sliding rail 403 corresponding to the threaded rod 405, the second rotating plate 406 is fixedly connected to the outer wall of one end of the threaded rod 405, the second slider 407 is slidingly connected to the inner wall of the bottom end of the sliding rail 403, the threaded hole 408 is formed on the inner wall of one side of the second slider 407 corresponding to the threaded rod 405, and the chalk placing groove 409 is formed on the inner wall of the bottom end of the second slider 407.
When the round drawing is needed, the threaded rod 405 is rotated along the guide hole 404 in the sliding rail 403 through the second rotating plate 406, then the second sliding block 407 is moved to a designated position along the sliding rail 403 under the action of the threaded hole 408, then the chalk is placed in the chalk placing groove 409, at this time, the magnetic chuck 402 is placed on the blackboard and is adsorbed, then the plotter body 1 is rotated along the third rotating shaft 401 by the handle 5 for one circle, then the round is drawn on the blackboard by the chalk on the chalk placing groove 409, the round can be drawn at the blackboard without drawing by hands, and thus the round drawing is improved, and the drawing effect is further improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A convenient drawing device for mathematical education, includes plotter main part (1), extension subassembly (2), angle drawing subassembly (3) and circular drawing subassembly (4), its characterized in that: an extension assembly (2) is fixed on the inner wall of one side of the plotter main body (1), an angle drawing assembly (3) is fixed on the outer wall of one side of the plotter main body (1), and a circular drawing assembly (4) is fixed on the outer wall of the bottom end of the plotter main body (1);
the stretching assembly (2) comprises a containing groove (201), a sliding groove (202), rotating wheels (203), a first rotating shaft (204), a first rotating plate (205), a first spring (206), a protractor (207), a connecting plate (208), a first sliding block (209) and a second spring (2010), wherein the containing groove (201) is formed in one side inner wall of the plotter main body (1), the connecting plate (208) is symmetrically arranged on one side inner wall of the containing groove (201), the first sliding blocks (209) are fixedly connected on two side outer walls of the connecting plate (208) in a plastic mode, the sliding groove (202) is formed on two side inner walls of the containing groove (201) corresponding to the first sliding block (209), the protractor (207) is fixedly connected on one side outer wall of the connecting plate (208) in a plastic mode, the second spring (2010) is fixedly connected on the outer wall between the connecting plates (208), the rotating wheels (203) are mounted on the outer wall of the connecting plate, the first sliding plate (204) is fixedly connected on the outer wall of the top end of the connecting plate (201), the first sliding plate (204) is fixedly connected with the first sliding plate (209) on the outer wall of the two side inner walls of the connecting plate (201), the first sliding plate (205) is fixedly connected with the first rotating plate (206), the bottom end of the first spring (206) is fixedly connected to the outer wall of the plotter main body (1);
the angle drawing assembly (3) comprises ear blocks (301), second rotating shafts (302), rotating rulers (303), connecting holes (304), guide rails (305), nuts (306), screws (307) and screwing heads (308), wherein the ear blocks (301) are symmetrically and fixedly connected to one side outer wall of the drawing device main body (1), the rotating rulers (303) are installed on the outer wall between the ear blocks (301), the second rotating shafts (302) are fixedly connected to the two side outer walls of the rotating rulers (303), the other ends of the second rotating shafts (302) are rotatably connected to the inner walls of the ear blocks (301), the connecting holes (304) are formed in one side inner wall of the rotating rulers (303), the screws (307) are sleeved on one side inner wall of the connecting holes (304), the guide rails (305) are fixedly connected to one side outer wall of the drawing device main body (1) in a plastic mode, the nuts (306) are connected to the bottom end outer walls of the screws (307), and the screwing heads (308) are fixedly welded to the top end outer walls of the screws (307).
The circular drawing assembly (4) comprises a third rotating shaft (401), a magnetic chuck (402), a sliding rail (403), a guide hole (404), a threaded rod (405), a second rotating plate (406), a second sliding block (407), a threaded hole (408) and a chalk placing groove (409), wherein the third rotating shaft (401) is rotationally connected to the inner wall of the bottom end of the drawing device main body (1), the magnetic chuck (402) is fixedly connected to the outer wall of the bottom end of the third rotating shaft (401), the sliding rail (403) is fixedly connected to the outer wall of the drawing device main body (1) on one side of the magnetic chuck (402) in a plastic mode, the threaded rod (405) is rotationally connected to the inner wall of one side of the sliding rail (403), the guide hole (404) is correspondingly formed in the inner wall of one side of the sliding rail (403), the second rotating plate (406) is fixedly connected to the outer wall of one end of the threaded rod (405), the second sliding block (407) is slidingly connected to the inner wall of the bottom end of the sliding rail (403), the threaded rod (408) is correspondingly formed in the inner wall of one side of the second sliding block (407), and the chalk placing groove (409) is formed in the inner wall of the second sliding block (407).
A handle (5) is fixedly connected with the outer wall of the top end of the plotter main body (1) in a plastic mode;
the shape of the rotating wheel (203) is elliptical;
the inner wall of one side of the first spring (206) is sleeved on the outer wall of the first rotating shaft (204), and the first spring (206) is a torsion spring;
the guide rail (305) is arc-shaped.
2. The method of using a portable drawing device for mathematical education as claimed in claim 1, wherein: when the angle measuring rule (207) is needed, the plotter body (1) is moved to a position to be measured through the handle (5), then the first rotating plate (205) is rotated to enable the rotating wheel (203) on the first rotating shaft (204) to rotate ninety degrees along the accommodating groove (201), so that the protruding part of the rotating wheel (203) presses the connecting plate (208), the first sliding block (209) on the connecting plate (208) is further moved along the sliding groove (202), the angle measuring rule (207) extends out of the accommodating groove (201), after the measurement is finished, the first rotating plate (205) is loosened, the rotating wheel (203) on the first rotating shaft (204) is reset under the action of the first spring (206), at the moment, the angle measuring rule (207) is stored in the accommodating groove (201) again under the action of the second spring (2010), when the angle drawing is needed, the screw (307) in the connecting hole (304) is rotated through the screwing head (308), the screw (307) is further rotated to be in the nut (306), then the screw (306) is unscrewed along the second rotating block (305) and the second rotating block (301) is screwed down, the position (302) is reset through the screw (306) to be screwed down again, and the position (301) is fixed on the second rotating block (301) and the second rotating block (306) is screwed down), thereby fix rotating chi (303), then carry out the angle drawing in blackboard department, when needing circular drawing, rotate threaded rod (405) along guiding hole (404) in slide rail (403) through second rotation board (406), then make second slider (407) remove the assigned position along slide rail (403) under the effect of screw hole (408), then place the chalk at chalk standing groove (409), place magnetic chuck (402) on the blackboard this moment, and adsorb the blackboard, then make plotter main part (1) rotate a round along third pivot (401) through handle (5), then draw circular on the blackboard through the chalk on chalk standing groove (409).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210062911.1A CN114228374B (en) | 2022-01-20 | 2022-01-20 | Convenient drawing device for mathematical education and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210062911.1A CN114228374B (en) | 2022-01-20 | 2022-01-20 | Convenient drawing device for mathematical education and application method thereof |
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| CN114228374B true CN114228374B (en) | 2023-12-26 |
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| KR20000017795U (en) * | 1999-03-04 | 2000-10-05 | 강희래 | A drawing figures an outline sketch |
| CN212472916U (en) * | 2020-06-03 | 2021-02-05 | 广东交通职业技术学院 | Marketing statistical analysis makes chart with combination chi utensil |
| CN213593992U (en) * | 2020-11-16 | 2021-07-02 | 黄淮学院 | Multipurpose die for mathematical drawing |
| CN214492296U (en) * | 2020-12-03 | 2021-10-26 | 周道锋 | Drawing teaching aid for mathematics |
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