CN113012541B - Visual teaching aid for classroom teaching - Google Patents
Visual teaching aid for classroom teaching Download PDFInfo
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- CN113012541B CN113012541B CN202110233073.5A CN202110233073A CN113012541B CN 113012541 B CN113012541 B CN 113012541B CN 202110233073 A CN202110233073 A CN 202110233073A CN 113012541 B CN113012541 B CN 113012541B
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/181—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for electric and magnetic fields; for voltages; for currents
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Abstract
The invention discloses a visual teaching aid for classroom teaching, which relates to the field of teaching aids and comprises a base, a magnet, a supporting plate and a gyroscope, wherein the magnet is fixedly arranged above the base, the supporting plate is arranged above the magnet, the gyroscope is positioned above the supporting plate, one side of the base is connected with a supporting arm through a transmission assembly, the bottom of one end of the supporting arm is rotatably connected with a rotating disc, a fixing assembly is arranged in the rotating disc, a limiting assembly is arranged on the side surface of the rotating disc, and an adjusting assembly is arranged above the limiting assembly. The invention can ensure that the gyroscope stably rotates on the supporting plate in situ, is convenient to ensure that the gyroscope has higher rotating speed in the rotating process, is simple to use and convenient to operate, ensures better teaching effect, and solves the problems of inconvenience in maintaining the stable rotation of the gyroscope in situ and inconvenience in providing higher rotating speed for the gyroscope in the conventional manual rotation gyroscope.
Description
Technical Field
The invention relates to the field of teaching aids, in particular to a visual teaching aid for classroom teaching.
Background
The rotating magnetic gyroscope can be suspended on the magnet during the magnetic suspension gyroscope phenomenon; in the teaching of carrying out the magnetic suspension top phenomenon, the top needs to keep the state of pivot rotation, and in current operation, it is manual usually to rotate the top, make the top pivot rotation on the layer board, under the condition of manual rotation top, the top rotates unstably, the top is difficult for keeping the pivot rotation state, and during manual rotation, the top can not reach higher rotational speed, make the top easily stop, all influence the teaching effect, therefore, in the magnetic suspension top teaching of current manual rotation top, the problem of the steady rotation that exists not convenient for keep the top pivot and be not convenient for provide the problem of higher rotational speed for the top.
Disclosure of Invention
The invention aims to provide a visual teaching aid for classroom teaching to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a visual teaching aid of classroom teaching, includes base, magnet, layer board and top, and magnet fixed mounting is in the top of base, the top at the magnet is placed to the layer board, the top is located the top of layer board, one side of base is connected with the support arm through transmission assembly, the one end bottom of support arm is rotated and is connected with the rolling disc, the inside of rolling disc is provided with fixed subassembly, the side of rolling disc is provided with spacing subassembly, the top of spacing subassembly is provided with adjusting part, the top fixed mounting of support arm has and rotates the first motor of connection with the rolling disc.
In a further embodiment, the transmission assembly comprises a second motor, a screw rod and a positioning tube, the second motor is fixedly installed in the base, the positioning tube is fixedly installed above one side of the base, one end of the screw rod is rotatably connected in the base, and the supporting arm is rotatably connected above the side face of the screw rod.
In a further embodiment, the fixed assembly comprises an inner groove, a movable block, a first spring and a ball, the inner groove is formed in the rotating disc, the movable block is connected to the inner portion of the inner groove through the first spring, and the ball is connected to the outer side end of the movable block in a rolling mode.
In a further embodiment, the limiting assembly comprises a shell, a fixing rod, a rotating block, a second spring and a clamping ring, the shell is connected to the side face of the supporting arm through the second spring, the fixing rod is fixedly connected to the upper portion of one end of the supporting arm, the rotating block is rotatably connected to the upper portion of the fixing rod, and the clamping ring is rotatably connected to one end of the supporting arm.
In a further embodiment, the adjusting assembly comprises a positioning block, a third spring and a limiting rod, the positioning block is fixedly arranged above the housing, and the limiting rod is connected to the inside of the positioning block through the third spring.
In a further embodiment, a limiting block is fixedly mounted at the bottom of one end of the supporting arm, and damping cotton is fixedly mounted at the bottom of the limiting block.
In a further embodiment, the spinning top is located on the inner side of the movable block, tooth grooves are formed in the mutual pressing surfaces of the spinning top and the movable block, and the tooth grooves in the side surface of the spinning top are matched with the tooth grooves in the side surface of the movable block.
In a further embodiment, one end of the first spring is fixedly arranged in the inner groove, and the other end of the first spring is fixedly arranged on the side surface of the movable block.
In a further embodiment, the inner side surface of the housing is chamfered.
Preferably, the use method of the visual teaching aid based on classroom teaching specifically comprises the following steps:
(S1) when the spinning top fixing device is used, the spinning top is placed on the inner side of the fixing assembly, the limiting assembly is adjusted, and the limiting assembly fixes the spinning top through the fixing assembly so that the spinning top is fixed inside the rotating disc;
(S2) adjusting the transmission assembly to enable the supporting arm to move downwards, so that the gyroscope is just attached to the upper portion of the supporting plate;
(S3) starting a first motor, wherein the first motor drives a rotating disc to rotate, and the rotating disc drives a spinning top to rotate quickly;
(S4) adjusting the limiting assembly again, returning the limiting assembly to the original position under the combined action of the adjusting assembly and the internal structure of the limiting assembly, returning the fixing assembly to the original position under the action of the internal structure of the fixing assembly, rotating the gyroscope in situ above the supporting plate, adjusting the transmission assembly, driving the upper assembly to move upwards by the supporting arm, moving the supporting plate upwards by the supporting arm, driving the gyroscope to move upwards by the supporting plate, and achieving the suspended rotating effect of the gyroscope above the magnet until the supporting plate is taken out.
Compared with the prior art, the invention has the beneficial effects that:
the gyroscope is placed on the inner side of the fixing assembly, the limiting assembly is adjusted, the limiting assembly fixes the gyroscope through the fixing assembly and enables the gyroscope to be just attached to the upper portion of the supporting plate, the first motor is used for driving the rotating disc to rotate so that the gyroscope can rotate quickly, the limiting assembly is adjusted again so that the gyroscope can rotate on the upper portion of the supporting plate in place, the gyroscope can keep stable rotation on the supporting plate in place, and the gyroscope is convenient to have higher rotating speed in the rotating process.
Drawings
FIG. 1 is a schematic sectional front view of the present invention;
FIG. 2 is a schematic top sectional view of the rotary plate of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 4 is an enlarged view of FIG. 1 taken at B in accordance with the present invention;
FIG. 5 is a schematic top view of the present invention;
fig. 6 is a perspective view of a turning block of the present invention.
In the figure: 1. a base; 2. an adjustment assembly; 21. positioning a block; 22. a third spring; 23. a limiting rod; 3. a support plate; 4. a top; 5. a transmission assembly; 51. a second motor; 52. a screw rod; 53. a positioning tube; 6. a support arm; 7. rotating the disc; 8. a fixing assembly; 81. an inner tank; 82. a movable block; 83. a first spring; 84. a ball bearing; 9. a limiting component; 91. a housing; 92. a fixing rod; 93. rotating the block; 94. a second spring; 95. a snap ring; 10. a magnet; 11. a first motor; 12. a limiting block; 13. damping cotton; 14. a tooth socket.
Detailed Description
In order to solve the magnetic suspension top teaching of current manual rotation top, the problem that the steady pivoted of keeping the top in place not convenient to exist and not convenient for provide higher rotational speed for the top of existence provides the visual teaching aid of a classroom teaching specially. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
Example 1
Referring to fig. 1-5, the embodiment provides a visual teaching aid for classroom teaching, which comprises a base 1, a magnet 10, a supporting plate 3 and a gyroscope 4, wherein the magnet 10 is fixedly installed above the base 1, the supporting plate 3 is placed above the magnet 10, the gyroscope 4 is positioned above the supporting plate 3, one side of the base 1 is connected with a supporting arm 6 through a transmission assembly 5, the bottom of one end of the supporting arm 6 is rotatably connected with a rotating disc 7, a fixing assembly 8 is arranged inside the rotating disc 7, a limiting assembly 9 is arranged on the side surface of the rotating disc 7, an adjusting assembly 2 is arranged above the limiting assembly 9, and a first motor 11 rotatably connected with the rotating disc 7 is fixedly installed above the supporting arm 6;
in the teaching of the phenomenon of the magnetically suspended gyroscope 4 in a classroom, the gyroscope 4 needs to be kept in an in-situ rotating state, while in the existing operation, the gyroscope 4 is usually rotated manually, so that the gyroscope 4 rotates in situ on the supporting plate 3, under the condition of manually rotating the gyroscope 4, the gyroscope 4 rotates unstably, the gyroscope 4 is not easy to keep in-situ rotating state, and in the manual rotation, the gyroscope 4 cannot reach higher rotating speed, so that the gyroscope 4 is easy to stop, and the teaching effect is influenced;
in the embodiment of the invention, when the spinning top is used, the spinning top 4 is placed on the inner side of the fixing component 8, the limiting component 9 is adjusted, the limiting component 9 fixes the spinning top 4 through the fixing component 8, so that the spinning top 4 is fixed in the rotating disc 7, and the spinning top 4 is conveniently fixed on the device; the transmission assembly 5 is adjusted, so that the supporting arm 6 moves downwards, the gyroscope 4 is just attached to the upper portion of the supporting plate 3, the operation is convenient for attaching the gyroscope 4 to the supporting plate 3, and the gyroscope 4 can be conveniently kept to rotate on the supporting plate 3 in place after falling off from the fixing assembly 8; the first motor 11 is started, the first motor 11 drives the rotating disc 7 to rotate, and the rotating disc 7 drives the spinning top 4 to rotate rapidly, so that the operation is convenient for providing higher rotating speed for the spinning top 4; adjusting the limiting component 9 again, under the combined action of the internal structures of the adjusting component 2 and the limiting component 9, the limiting component 9 returns to the original position, under the action of the internal structure of the fixing component 8, the fixing component 8 returns to the original position, the gyroscope 4 rotates in situ above the supporting plate 3, the transmission component 5 is adjusted, the supporting arm 6 drives the upper component to move upwards, the supporting plate 3 is moved upwards, the supporting plate 3 drives the gyroscope 4 to move upwards, and the suspended rotating effect of the gyroscope 4 above the magnet 10 is achieved after the supporting plate 3 is taken out;
this device is simple to use, and convenient operation can make top 4 keep the steady rotation in place on layer board 3, and is convenient for make top 4 possess higher rotational speed at the rotation in-process for the teaching effect is better, has solved the problem that the steady rotation in top 4 original place was not convenient for keep in the current manual rotation top 4 and is not convenient for provide the problem of higher rotational speed for top 4.
Example 2
Referring to fig. 1-6, a further improvement is made on the basis of embodiment 1:
in order to adjust the height of the supporting arm 6 conveniently, the bottom of the spinning top 4 is attached to the supporting plate 3, the transmission assembly 5 comprises a second motor 51, a screw rod 52 and a positioning tube 53, the second motor 51 is fixedly installed inside the base 1, the positioning tube 53 is fixedly installed above one side of the base 1, one end of the screw rod 52 is rotatably connected inside the base 1, and the supporting arm 6 is rotatably connected above the side face of the screw rod 52;
in the embodiment, the second motor 51 and the screw 52 are used for supporting the arm 6, so that the bottom of the top 4 is attached to the supporting plate 3, and the top 4 is in an in-situ rotating state on the supporting plate 3 after falling off.
In order to fix the spinning top 4 on the rotating disk 7, the fixing assembly 8 comprises an inner groove 81, a movable block 82, a first spring 83 and a ball 84, wherein the inner groove 81 is arranged in the rotating disk 7, the movable block 82 is connected in the inner groove 81 through the first spring 83, and the ball 84 is connected at the outer side end of the movable block 82 in a rolling manner;
in this embodiment, under the effect of spacing subassembly 9, the movable block 82 pressfitting is in the side of top 4, make and fix top 4, spacing subassembly 9 restores the normal position after, under the effect of first spring 83, and under the centrifugal effect that movable block 82 received, movable block 82 separates with top 4 fast, reach top 4 at the quick effect that drops of fixed subassembly 8, be convenient for make top 4 be in the motion state that keeps original place pivoted all the time, ball 84's structure is convenient for spacing subassembly 9 and is blocked movable block 82, so that top 4 is lived to make the movable block 82 pressfitting.
In order to enable the limiting assembly 9 to be quickly restored to the original position so as to enable the movable block 82 and the top 4 to be quickly separated, the limiting assembly 9 comprises a shell 91, a fixed rod 92, a rotating block 93, a second spring 94 and a clamping ring 95, wherein the shell 91 is connected to the side surface of the supporting arm 6 through the second spring 94, the fixed rod 92 is fixedly connected above one end of the supporting arm 6, the rotating block 93 is rotatably connected above the fixed rod 92, and the clamping ring 95 is rotatably connected at one end of the supporting arm 6;
in this embodiment, the snap ring 95 is used to block the rotating block 93, and under the condition that the snap ring 95 is separated from the rotating block 93, the housing 91 is lifted rapidly under the action of the second spring 94, so that the housing 91 is separated from the ball 84 rapidly, and the effect of separating the movable block 82 from the spinning top 4 rapidly is achieved.
In order to further improve the efficiency of the housing 91 in returning to the original position, the adjusting assembly 2 comprises a positioning block 21, a third spring 22 and a limiting rod 23, the positioning block 21 is fixedly arranged above the housing 91, and the limiting rod 23 is connected inside the positioning block 21 through the third spring 22;
in this embodiment, under the condition that the snap ring 95 is separated from the rotating block 93, the third spring 22 pushes the limiting rod 23, so that the limiting rod 23 pushes the rotating block 93 to rotate, the rotating block 93 is changed from the vertical state to the horizontal state quickly, the second spring 94 pushes the shell 91 to ascend quickly, and the efficiency of returning to the original position of the shell 91 is improved.
In order to avoid the vibration of the device when the shell 91 returns to the original position, the bottom of one end of the supporting arm 6 is fixedly provided with a limiting block 12, and the bottom of the limiting block 12 is fixedly provided with damping cotton 13;
the structure of the limiting block 12 and the shock absorption cotton 13 limits and absorbs shock of the shell 91, and the shell 91 is prevented from causing device shock to influence rotation of the gyroscope 4.
In order to enable the clamping between the movable block 82 and the gyroscope 4 to be more stable, the gyroscope 4 is located on the inner side of the movable block 82, tooth sockets 14 are formed in the mutual pressing surfaces of the gyroscope 4 and the movable block 82, and the tooth sockets 14 on the side surface of the gyroscope 4 are matched with the tooth sockets 14 on the side surface of the movable block 82;
this embodiment makes the movable block 82 better to top 4's block effect, is convenient for make top 4's rotation effect better.
In order to facilitate the first spring 83 to push the movable block 82 to return to the original position, one end of the first spring 83 is fixedly installed inside the inner groove 81, and the other end of the first spring 83 is fixedly installed at a side surface of the movable block 82.
In order to facilitate the shell 91 to push the movable block 82 so that the movable block 82 presses the top 4, the inner side surface of the shell 91 has a chamfered structure.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a visual teaching aid of classroom teaching, includes base (1), magnet (10), layer board (3) and top (4), magnet (10) fixed mounting in the top of base (1), the top in magnet (10) is placed in layer board (3), top (4) are located the top of layer board (3), its characterized in that: one side of the base (1) is connected with a supporting arm (6) through a transmission assembly (5), the bottom of one end of the supporting arm (6) is rotatably connected with a rotating disc (7), a fixing assembly (8) is arranged inside the rotating disc (7), a limiting assembly (9) is arranged on the side surface of the rotating disc (7), an adjusting assembly (2) is arranged above the limiting assembly (9), and a first motor (11) rotatably connected with the rotating disc (7) is fixedly mounted above the supporting arm (6);
the transmission assembly (5) comprises a second motor (51), a screw rod (52) and a positioning tube (53), the second motor (51) is fixedly installed inside the base (1), the positioning tube (53) is fixedly installed above one side of the base (1), one end of the screw rod (52) is rotatably connected inside the base (1), and the supporting arm (6) is rotatably connected above the side face of the screw rod (52);
the fixed assembly (8) comprises an inner groove (81), a movable block (82), a first spring (83) and a ball (84), the inner groove (81) is formed in the rotating disc (7), the movable block (82) is connected to the inner part of the inner groove (81) through the first spring (83), and the ball (84) is connected to the outer side end of the movable block (82) in a rolling mode;
the limiting assembly (9) comprises a shell (91), a fixed rod (92), a rotating block (93), a second spring (94) and a clamping ring (95), the shell (91) is connected to the side face of the supporting arm (6) through the second spring (94), the fixed rod (92) is fixedly connected to the upper portion of one end of the supporting arm (6), the rotating block (93) is rotatably connected to the upper portion of the fixed rod (92), and the clamping ring (95) is rotatably connected to one end of the supporting arm (6);
the adjusting assembly (2) comprises a positioning block (21), a third spring (22) and a limiting rod (23), the positioning block (21) is fixedly mounted above the shell (91), and the limiting rod (23) is connected to the inside of the positioning block (21) through the third spring (22);
a limiting block (12) is fixedly arranged at the bottom of one end of the supporting arm (6), and damping cotton (13) is fixedly arranged at the bottom of the limiting block (12);
the spinning top (4) is positioned on the inner side of the movable block (82), tooth grooves (14) are formed in the mutual pressing surfaces of the spinning top (4) and the movable block (82), and the tooth grooves (14) in the side surface of the spinning top (4) are matched with the tooth grooves (14) in the side surface of the movable block (82);
one end of the first spring (83) is fixedly arranged in the inner groove (81), and the other end of the first spring (83) is fixedly arranged on the side surface of the movable block (82).
2. A visual teaching aid for classroom teaching according to claim 1 wherein: the inner side surface of the shell (91) is in a chamfer structure.
3. The use method of the visual teaching aid for classroom teaching as claimed in claim 1, comprising the steps of:
(S1) when the spinning top is used, the spinning top (4) is placed on the inner side of the fixing component (8), the limiting component (9) is adjusted, the limiting component (9) fixes the spinning top (4) through the fixing component (8), and the spinning top (4) is fixed inside the rotating disc (7);
(S2) adjusting the transmission assembly (5) to enable the supporting arm (6) to move downwards, so that the gyroscope (4) is just attached to the upper portion of the supporting plate (3);
(S3) starting a first motor (11), wherein the first motor (11) drives a rotating disc (7) to rotate, and the rotating disc (7) drives a spinning top (4) to rotate quickly;
(S4), adjust spacing subassembly (9) again, under adjusting part (2) and spacing subassembly (9) inner structure combined action, spacing subassembly (9) answer the normal position, under fixed subassembly (8) inner structure effect, fixed subassembly (8) answer the normal position, top (4) rotate in situ in the top of layer board (3), adjust drive assembly (5), support arm (6) drive subassembly rebound above that, rebound layer board (3), layer board (3) drive top (4) rebound, until appearing taking out layer board (3) back, top (4) are at the unsettled rotation of magnet (10) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110233073.5A CN113012541B (en) | 2021-03-01 | 2021-03-01 | Visual teaching aid for classroom teaching |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110233073.5A CN113012541B (en) | 2021-03-01 | 2021-03-01 | Visual teaching aid for classroom teaching |
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| CN113012541A CN113012541A (en) | 2021-06-22 |
| CN113012541B true CN113012541B (en) | 2023-01-06 |
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| CN202110233073.5A Active CN113012541B (en) | 2021-03-01 | 2021-03-01 | Visual teaching aid for classroom teaching |
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| CN204563582U (en) * | 2015-03-28 | 2015-08-19 | 广东奥飞动漫文化股份有限公司 | The electronic emitter of a kind of gyro |
| CN106057031B (en) * | 2016-05-23 | 2018-09-28 | 中国民航大学 | A kind of gyro approximation theory validating instrument |
| US20180090028A1 (en) * | 2016-09-25 | 2018-03-29 | Tobi Lee | Demonstration Generator |
| CN206564079U (en) * | 2017-03-21 | 2017-10-17 | 深圳科学高中 | A kind of magentic suspension demonstrating device |
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| US11557629B2 (en) * | 2019-03-27 | 2023-01-17 | Intel Corporation | Spin orbit memory devices with reduced magnetic moment and methods of fabrication |
| CN210223293U (en) * | 2019-07-12 | 2020-03-31 | 中国人民解放军空军工程大学航空机务士官学校 | Angular rate gyroscope principle demonstration table |
| CN211207546U (en) * | 2020-03-01 | 2020-08-07 | 江苏省无锡交通高等职业技术学校 | Head-wearing type synchronous teaching demonstration camera device |
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| WO2010127572A1 (en) * | 2009-05-07 | 2010-11-11 | Hung Ching Nam | Rotating magnetic levitation device and method for magnetically levitating top |
| CN202838754U (en) * | 2012-09-07 | 2013-03-27 | 郭丽卿 | Gyroscope teaching aid capable of synchronously measuring rotation speed and nutation and precession data and teaching module thereof |
| CN109003517A (en) * | 2018-10-07 | 2018-12-14 | 王磊 | A kind of electrostatically sus pended gyroscope instrument for the demonstration of Physical Experiment classroom |
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