CN111312025A - Teaching equipment for assisting students in imagining solid geometric figures - Google Patents
Teaching equipment for assisting students in imagining solid geometric figures Download PDFInfo
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- CN111312025A CN111312025A CN202010259932.3A CN202010259932A CN111312025A CN 111312025 A CN111312025 A CN 111312025A CN 202010259932 A CN202010259932 A CN 202010259932A CN 111312025 A CN111312025 A CN 111312025A
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- movably connected
- imagining
- shaft
- induction block
- cloth
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
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- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention relates to the technical field of mathematics middle body geometric figure teaching and discloses teaching equipment for assisting students in imagining three-dimensional geometric figures, which comprises a shell, wherein a rotating shaft is movably connected inside the shell, the surface of the rotating shaft is movably connected with a bevel gear, the surface of the bevel gear is movably connected with a winding shaft, the surface of the winding shaft is movably connected with writing cloth, an induction block is fixedly connected to the surface of the shell and the back of the writing cloth, a color display lamp is movably connected inside the induction block, two sides of the induction block are movably connected with spring rods, one end of each spring rod, far away from the induction block, is movably connected with a movable plate, and the movable plate is movably connected with the rotating shaft through a sliding rail. The oblique line is formed when the solid surface in the solid geometric figure is displayed on the plane, oblique force can act on the surface of the induction block, the light source is powered on to emit light, and the light irradiates the surface of the oblique line, so that the effect of utilizing drawing force of a teacher to mark colors on the solid surface to help students imagine is achieved.
Description
Technical Field
The invention relates to the technical field of solid geometry teaching in mathematics, in particular to teaching equipment for assisting students in imagining solid geometry.
Background
Mathematically, solid geometry is the traditional name for the geometry of three-dimensional euclidean space, which is in fact roughly the space in which we live; stereo mapping, which is generally a follow-on course of planar geometry, deals with the problem of measuring the volume of different forms: cylinders, cones, frustums, spheres, prisms, wedges, caps, etc.; for the teaching of solid geometry, the prior art adopts a video playing mode.
Although the existing video playing teaching can enable students to see the solid geometry figures truly, the figures in the video cannot be redrawn in cooperation with teachers during teaching, so that the students cannot independently imagine how the solid geometry is drawn; in addition, although the teacher can draw the solid figure in the existing solid geometry teaching equipment, the solid surface of the solid figure needs to be imagined by the student, which is difficult for the beginners, so the teaching equipment for assisting the student to imagine the solid geometry figure is produced.
Disclosure of Invention
In order to realize the purposes that the color of the three-dimensional surface is marked by utilizing the drawing strength of the teacher to help students to imagine and the writing cloth can be automatically replaced without wiping, the invention provides the following technical scheme: the utility model provides an auxiliary student imagines teaching equipment of solid geometric figure, includes the casing, the inside swing joint of casing has the pivot, and the surperficial swing joint of pivot has bevel gear, and bevel gear's surperficial swing joint has the winding axle, and the surperficial swing joint of winding axle has writing cloth, the surface of casing just is located the back fixedly connected with response piece of writing cloth, and the inside swing joint of response piece has the color development lamp, and the equal swing joint in both sides of response piece has the spring beam, and the one end swing joint that the response piece was kept away from to the spring beam has the movable plate, and the movable plate passes through slide.
The invention has the beneficial effects that:
1. the oblique line is formed when the solid surface in the solid geometric figure is displayed on the plane, oblique force can act on the surface of the induction block, the light source is powered on to emit light, and the light irradiates the surface of the oblique line, so that the effect of utilizing drawing force of a teacher to mark colors on the solid surface to help students imagine is achieved.
2. The winding shaft is driven to rotate through the reversal of the cloth changing shaft, the writing cloth on the surface of the winding shaft is driven to rotate, and when the writing cloth with the pattern is observed to leave the surface of the induction block, the writing cloth can stop moving, so that the effect of replacing the writing cloth without wiping is achieved.
Preferably, the bottom swing joint of pivot has the axle sleeve, the even buffer spring of inside swing joint of axle sleeve, and buffer spring plays the effect of the vibration force that produces with the axle sleeve contact when slowing down the casing and moving down.
Preferably, the bottom of the shaft sleeve is movably connected with a gear, a clamping groove is formed in the surface of the gear, a rolling shaft is movably connected inside the clamping groove, and the rolling shaft plays a role in enabling the cloth changing shaft to slide on the surface of the gear.
Preferably, the surface of the clamping groove is movably connected with a cloth changing shaft, the upper end of the cloth changing shaft is movably connected with the winding shaft, the inside of the cloth changing shaft is movably connected with a volute spiral spring, and when the shell moves downwards, the volute spiral spring is in a force accumulation process of the volute spiral spring, so that after a teacher stops writing, the volute spiral spring releases elastic force to help the shell move upwards and change cloth when the latter exerts an upward force on the surface of the shell.
Preferably, the interior of the color-developing lamp is movably connected with a conductive tube, and the surface of the conductive tube is fixedly connected with a light source.
Preferably, the conductive tube is made of metal, and one end of the conductive tube, which is far away from the light source, is fixedly connected with a power supply.
Preferably, the width of the writing cloth is larger than that of the induction block, and the surface of the writing cloth has friction force, so that the oil pen can write conveniently.
Preferably, the connecting part of the rotating shaft and the shaft sleeve is movably connected with a lifting rod.
Preferably, the inside swing joint of winding axle has the ratchet, and the ratchet joint direction is opposite with the direction of rotation of gear, so when the casing moves down and drives the gear rotation, the cloth changing axle can not drive the winding axle rotatory, and when the gear was driven the reversal, the cloth changing axle pushed the ratchet joint and then made the winding axle rotate.
Drawings
FIG. 1 is a front view of the housing construction of the present invention;
FIG. 2 is a sectional view of the housing construction of the present invention;
FIG. 3 is a schematic view of a rotating shaft structure according to the present invention;
FIG. 4 is a schematic view of the gear structure of the present invention;
FIG. 5 is a schematic diagram of a moving plate structure according to the present invention;
fig. 6 is a partially enlarged view of a portion a in fig. 5.
In the figure: 1-shell, 2-rotating shaft, 3-bevel gear, 4-winding shaft, 5-writing cloth, 6-induction block, 7-color development lamp, 8-spring rod, 9-moving plate, 10-sliding rail, 11-shaft sleeve, 12-buffer spring, 13-gear, 14-clamping groove, 15-cloth changing shaft, 16-conductive tube, 17-light source and 18-lifting rod.
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. 1-6, a teaching device for assisting students in imagining solid geometric figures comprises a shell 1, wherein the inside of the shell 1 is movably connected with a rotating shaft 2, the bottom of the rotating shaft 2 is movably connected with a shaft sleeve 11, and the joint of the rotating shaft 2 and the shaft sleeve 11 is movably connected with a lifting rod 18; the interior of the shaft sleeve 11 is movably connected with a buffer spring 12, and the buffer spring 12 plays a role in relieving the vibration force generated by the contact with the shaft sleeve 11 when the shell 1 moves downwards; the bottom of the shaft sleeve 11 is movably connected with a gear 13, the surface of the gear 13 is provided with a clamping groove 14,
the surface of the clamping groove 14 is movably connected with a cloth changing shaft 15, the upper end of the cloth changing shaft 15 is movably connected with the winding shaft 4, and the inside of the cloth changing shaft 15 is movably connected with a volute spiral spring, a plane volute spiral spring and a clockwork spring, wherein one end of the spring is fixed, and the other end of the spring acts on a torque; under the action of torque, the spring material generates bending elastic deformation, so that the spring generates torsion in a plane, and the size of a deformation angle is in direct proportion to the torque.
When the shell 1 moves downwards, the force accumulation process of the spiral spring is performed, so that after a teacher stops writing, the latter applies an upward force on the surface of the shell 1, the spiral spring releases elastic force to help the shell 1 move upwards and change cloth, a roller is movably connected inside the clamping groove 14, and the roller plays a role in enabling the cloth changing shaft 15 to slide on the surface of the gear 13.
The surface of the rotating shaft 2 is movably connected with a bevel gear 3, the surface of the bevel gear 3 is movably connected with a winding shaft 4, the inner part of the winding shaft 4 is movably connected with a ratchet wheel, the clamping direction of the ratchet wheel is opposite to the rotating direction of the gear 13, so when the shell 1 moves downwards to drive the gear 13 to rotate, the cloth changing shaft 15 cannot drive the winding shaft 4 to rotate, and when the gear 13 is driven to rotate reversely, the cloth changing shaft 15 pushes the ratchet wheel to be clamped so as to drive the winding shaft 4 to rotate; the surface of the winding shaft 4 is movably connected with writing cloth 5, the surface of the shell 1 and the back of the writing cloth 5 are fixedly connected with an induction block 6, the interior of the induction block 6 is movably connected with a color development lamp 7, the interior of the color development lamp 7 is movably connected with a conductive tube 16, and the surface of the conductive tube 16 is fixedly connected with a light source 17; the conductive tube 16 is made of metal, and one end of the conductive tube, which is far away from the light source 17, is fixedly connected with a power supply.
The spring rods 8 are movably connected to the two sides of the induction block 6, the width of the writing cloth 5 is larger than that of the induction block 6, and friction force is formed on the surface of the writing cloth 5, so that an oil pen can write conveniently; one end of the spring rod 8, which is far away from the sensing block 6, is movably connected with a movable plate 9, the movable plate 9 is movably connected with the rotating shaft 2 through a sliding rail 10, when a teacher writes on the surface of the writing cloth 5, the surface of the writing cloth 5 is subjected to certain pressure so as to push the movable plate 9 to move towards two sides, the movable plate 9 moves on the surface of the sliding rail 10 and extrudes the spring rod 8, the force of the writing cloth 5 is conveniently applied to the surface of the sensing block 6, and light is given to oblique lines to serve as a cushion; and the spring rod 8 and the moving plate 9 can also provide certain buffering capacity for cloth changing work.
When the multifunctional pen is used, the shell 1 is placed at a proper position, then when a teacher writes on the surface of the writing cloth 5 by using an oil pen, the surface of the shell 1 can be subjected to horizontal or vertical force, so that the shell 1 can push the lifting rod 18 to move towards the direction close to the gear 13 under the action of the vertical force, the rear gear 13 is pushed to rotate and is meshed with the cloth changing shaft 15 to rotate, oblique lines are formed when the shell is displayed on a plane according to a solid surface in a solid geometric figure, so that when the surface of the writing cloth 5 is provided with oblique lines, oblique force can act on the surface of the induction block 6, the conductive tube 16 is pushed to move, the conductive tube 16 moves to be in contact with the light 17 source, the light source 17 is electrified to emit light, the light irradiates the oblique line surface, and the line on the solid surface displays different colors.
When writing on 5 surfaces of cloth through mr is continuous, casing 1 highly constantly descends, and the blank position on 5 surfaces of clipboard reduces gradually, can artificially promote casing 1 and upwards remove this moment, can stimulate lifter 18 upward movement when casing 1 rebound, event lifter 18 can drive the gear 13 reversal, the event trades cloth axle 15 reversal and drives winding axle 4 rotation, the back drives the cloth 5 of writing on 4 surfaces of winding axle and rotates, when observing that cloth 5 of writing of drawing pattern leaves response piece 6 surfaces, can stop moving.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (8)
1. The utility model provides an auxiliary student imagines teaching equipment of solid geometry, includes casing (1), its characterized in that: the inner part of the shell (1) is movably connected with a rotating shaft (2), the surface of the rotating shaft (2) is movably connected with a bevel gear (3), the surface of the bevel gear (3) is movably connected with a winding shaft (4), and the surface of the winding shaft (4) is movably connected with writing cloth (5);
the surface of the shell (1) is fixedly connected with an induction block (6) on the back of the writing cloth (5), the inside of the induction block (6) is movably connected with a color display lamp (7), spring rods (8) are movably connected to the two sides of the induction block (6), one end of each spring rod (8) far away from the induction block (6) is movably connected with a movable plate (9), and the movable plate (9) is movably connected with the rotating shaft (2) through a sliding rail (10).
2. A teaching device for assisting students in imagining solid geometry according to claim 1, wherein: the bottom of the rotating shaft (2) is movably connected with a shaft sleeve (11), and the inside of the shaft sleeve (11) is movably connected with a buffer spring (12).
3. A teaching device for assisting students in imagining solid geometry according to claim 2, wherein: the bottom of the shaft sleeve (11) is movably connected with a gear (13), and the surface of the gear (13) is provided with a clamping groove (14).
4. A teaching device for assisting students in imagining solid geometry according to claim 3, wherein: the surface of the clamping groove (14) is movably connected with a cloth changing shaft (15), and the upper end of the cloth changing shaft (15) is movably connected with the winding shaft (4).
5. A teaching device for assisting students in imagining solid geometry according to claim 1, wherein: the inside of the color-developing lamp (7) is movably connected with a conductive tube (16), and the surface of the conductive tube (16) is fixedly connected with a light source (17).
6. A teaching device for assisting students in imagining solid geometry according to claim 5, wherein: the conductive tube (16) is made of metal, and one end of the conductive tube, which is far away from the light source (17), is fixedly connected with a power supply.
7. A teaching device for assisting students in imagining solid geometry according to claim 1, wherein: the width of the writing cloth (5) is larger than that of the induction block (6), and friction force exists on the surface of the writing cloth (5).
8. A teaching device for assisting students in imagining solid geometry figures as claimed in claim 4, wherein: the joint of the rotating shaft (2) and the shaft sleeve (11) is movably connected with a lifting rod (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010259932.3A CN111312025A (en) | 2020-04-03 | 2020-04-03 | Teaching equipment for assisting students in imagining solid geometric figures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010259932.3A CN111312025A (en) | 2020-04-03 | 2020-04-03 | Teaching equipment for assisting students in imagining solid geometric figures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111312025A true CN111312025A (en) | 2020-06-19 |
Family
ID=71159249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010259932.3A Withdrawn CN111312025A (en) | 2020-04-03 | 2020-04-03 | Teaching equipment for assisting students in imagining solid geometric figures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111312025A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111739386A (en) * | 2020-07-16 | 2020-10-02 | 邓纪平 | A mathematics teaching aid for training of mathematics thinking |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100824586B1 (en) * | 2007-05-23 | 2008-04-24 | (주)에어프라임 | Teaching tool board |
| CN101691094A (en) * | 2009-09-16 | 2010-04-07 | 无锡爱迪信光电科技有限公司 | Led drawing board |
| CN202996211U (en) * | 2013-01-09 | 2013-06-12 | 宋力 | Rotation type scroll canvas display device |
| CN208433118U (en) * | 2018-03-21 | 2019-01-25 | 郭心彦 | A kind of height-adjustable teaching projecting screen |
| CN208906659U (en) * | 2018-02-05 | 2019-05-28 | 齐齐哈尔工程学院 | A kind of turnable fluorescence blackboard of ideology and politics teaching |
-
2020
- 2020-04-03 CN CN202010259932.3A patent/CN111312025A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100824586B1 (en) * | 2007-05-23 | 2008-04-24 | (주)에어프라임 | Teaching tool board |
| CN101691094A (en) * | 2009-09-16 | 2010-04-07 | 无锡爱迪信光电科技有限公司 | Led drawing board |
| CN202996211U (en) * | 2013-01-09 | 2013-06-12 | 宋力 | Rotation type scroll canvas display device |
| CN208906659U (en) * | 2018-02-05 | 2019-05-28 | 齐齐哈尔工程学院 | A kind of turnable fluorescence blackboard of ideology and politics teaching |
| CN208433118U (en) * | 2018-03-21 | 2019-01-25 | 郭心彦 | A kind of height-adjustable teaching projecting screen |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111739386A (en) * | 2020-07-16 | 2020-10-02 | 邓纪平 | A mathematics teaching aid for training of mathematics thinking |
| CN111739386B (en) * | 2020-07-16 | 2022-01-11 | 山东正禾大教育科技有限公司 | A mathematics teaching aid for training of mathematics thinking |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200619 |