CN214955531U

CN214955531U - Teaching board for physical teaching

Info

Publication number: CN214955531U
Application number: CN202121816728.3U
Authority: CN
Inventors: 姜思任
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2021-11-30
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a teaching board for physical teaching, concretely relates to teaching equipment technical field, including the blackboard, the blackboard surface is provided with teaching mechanism, the blackboard both ends all are provided with lighting assembly, teaching mechanism includes the backup pad, the backup pad sets up on blackboard bottom surface, the backup pad top is provided with the bracing piece, the bracing piece top is provided with the lever, lever both ends bottom all is provided with hangs the ring, two hang the ring bottom and all be provided with and hang the rope, it is provided with the tray to hang the rope bottom, the lever bottom is provided with the fixed plate. The utility model discloses can make things convenient for the teacher to explain physical knowledge to the student, make the student can audio-visual understanding physical knowledge, the teacher of being convenient for operates, can make the student in addition also can be clear in dark area watch the blackboard, and then can avoid the student to avoid influencing student's eyesight because the blackboard is unclear to the light reason, causes student's eyesight to descend.

Description

Teaching board for physical teaching

Technical Field

The utility model relates to a teaching equipment technical field, more specifically says, the utility model relates to a teaching board is used in physical teaching.

Background

Physics is the basic subject of obligation education, the establishment of courses aims at cultivating students' science thinking, having qualitative understanding on physical general knowledge, and simultaneously being applied to life, the main purpose of learning physics knowledge is to explain various phenomena in life by using physics knowledge and analyze reasons of various problems by using physics knowledge, thereby finding out a method and measures for solving problems to solve related problems, however, the lever principle and the mechanical principle are necessary learning contents in the middle school physics.

But the teaching in-process is only through knowledge or some simple equipment on the books, can't audio-visual understanding, and then has reduced the teaching quality, makes the student understand not thorough enough in the learning.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a teaching board for physical teaching through setting up teaching mechanism, makes the mode that the lever takes place to incline give student's explanation lever's principle through changing the inside article weight of tray, makes the stay cord slide at the pulley surface and then explains the physics knowledge of gravity for the student through the pulling stay cord, can make the teacher can do the physics experiment for the student at any time to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a teaching board for physical teaching comprises a blackboard, wherein a teaching mechanism is arranged on the surface of the blackboard, and lighting assemblies are arranged at two ends of the blackboard;

the teaching mechanism comprises a supporting plate, the supporting plate is arranged on the surface of the bottom of a blackboard, a supporting rod is arranged at the top of the supporting plate, a lever is arranged at the top of the supporting rod, suspension rings are arranged at the bottoms of two ends of the lever, suspension ropes are arranged at the bottoms of the two suspension rings, a tray is arranged at the bottom end of each suspension rope, a fixing plate is arranged at the bottom of the lever, a U-shaped frame is arranged at the bottom of the fixing plate, pulleys are arranged outside the U-shaped frame, a U-shaped rod is arranged at one side of the supporting plate at the top of the supporting plate, a sliding barrel is arranged outside the U-shaped rod, limiting blocks are arranged at two ends of the sliding barrel outside the U-shaped rod, and a circular ring is arranged at the top of the sliding barrel;

the lighting assembly comprises a connecting plate, the connecting plate is arranged at two ends of the blackboard, a fixing block is arranged at the top of the connecting plate and detachably connected with the connecting plate through a screw, and a lighting lamp is fixedly arranged at the top of the fixing block.

In a preferred embodiment, the support rod is arranged at the center of the blackboard, the lever center part and the top surface of the support rod are both provided with mounting holes, a connecting column is arranged in each mounting hole, and the lever center part is rotatably connected with the support rod.

In a preferred embodiment, two ends of the hanging rope are fixedly connected with the hanging ring and the tray respectively, and the cross section of the tray is provided with an arc shape.

In a preferred embodiment, the bottom surface of the lever is provided with a threaded hole, the top surface of the fixing plate is provided with a threaded column, and the fixing plate is detachably connected with the lever through the threaded column and the threaded hole.

In a preferred embodiment, the pulley is rotatably connected with the U-shaped frame, the sliding cylinder is slidably connected with the U-shaped rod, external threads are arranged outside the U-shaped rod, and the limiting block is in threaded connection with the U-shaped rod.

In a preferred embodiment, a pull rope is arranged around the outer part of the pulley, one end of the pull rope is detachably connected with the circular ring, and the other end of the pull rope is attached to the outer part of the pulley and extends to one side of the rotating wheel.

In a preferred embodiment, the blackboard back is provided with two mounting plates, two mounting plate one end all is provided with the fixture block, blackboard cross sectional shape sets up to the arc.

The utility model discloses a technological effect and advantage:

1. through the arrangement of the teaching mechanism, a teacher can place articles on the tray to change the weight on the tray, the lever is rotated along the central part of the supporting rod through the weight of the articles, the principle of the lever is explained for students in a mode of inclining the lever through changing the weight of the articles in the tray, the position of the sliding barrel is changed through sliding the sliding barrel, the limiting block is rotated outside the U-shaped rod through rotating the limiting block, the sliding barrel is limited through the limiting block, the ring at the top is driven to move through the sliding barrel, the teacher can explain the physical knowledge of the gravity to the students through pulling the pull rope, and then the teacher can perform physical experiments for the students at any time, and the students can know the physical knowledge more visually, so that the teaching quality is improved, and the students can understand more quickly;

2. through setting up lighting components, provide light for the student through the use of light, make things convenient for the student also can the clear blackboard of seeing in dark place to avoid student's eyesight to cause the damage, the student avoids appearing the phenomenon of reflection of light because the curved setting of blackboard avoids when watching moreover, and then avoids causing visual fatigue when watching the blackboard for a long time, reduces the emergence of myopia, and the setting up of fixture block is convenient to be installed the blackboard, and the practicality is good.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a perspective view of the connecting structure of the lever and the supporting rod of the present invention.

Fig. 3 is a schematic diagram of the side view of the local structure of the present invention.

Fig. 4 is a perspective view of the connection structure of the blackboard, the mounting plate and the fixture block of the present invention.

The reference signs are: 1. a blackboard; 2. a support plate; 3. a support bar; 4. a lever; 5. a suspension ring; 6. hanging a rope; 7. a tray; 8. a fixing plate; 9. a U-shaped frame; 10. a pulley; 11. a U-shaped rod; 12. a slide cylinder; 13. a limiting block; 14. a circular ring; 15. a connecting plate; 16. a fixed block; 17. an illuminating lamp; 18. connecting columns; 19. a threaded post; 20. pulling a rope; 21. mounting a plate; 22. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The teaching board for physics teaching shown in attached figures 1-4 comprises a blackboard 1, wherein a teaching mechanism is arranged on the surface of the blackboard 1, and lighting assemblies are arranged at two ends of the blackboard 1;

the teaching mechanism comprises a supporting plate 2, the supporting plate 2 is arranged on the surface of the bottom of a blackboard 1, a supporting rod 3 is arranged at the top of the supporting plate 2, a lever 4 is arranged at the top of the supporting rod 3, suspension rings 5 are arranged at the bottoms of two ends of the lever 4 respectively, a suspension rope 6 is arranged at the bottoms of the two suspension rings 5 respectively, a tray 7 is arranged at the bottom end of the suspension rope 6, a fixing plate 8 is arranged at the bottom of the lever 4, a U-shaped frame 9 is arranged at the bottom of the fixing plate 8, pulleys 10 are arranged outside the U-shaped frame 9, a U-shaped rod 11 is arranged at one side of the supporting rod 3 at the top of the supporting plate 2, a sliding cylinder 12 is arranged outside the U-shaped rod 11, limiting blocks 13 are arranged at two ends of the sliding cylinder 12 outside the U-shaped rod 11, and a circular ring 14 is arranged at the top of the sliding cylinder 12;

the lighting assembly comprises connecting plates 15, the connecting plates 15 are arranged at two ends of the blackboard 1, fixed blocks 16 are arranged at the tops of the two connecting plates 15, the fixed blocks 16 are detachably connected with the connecting plates 15 through screws, and illuminating lamps 17 are fixedly arranged at the tops of the fixed blocks 16.

As shown in the attached drawings 1 and 2, the support rod 3 is arranged at the center of the blackboard 1, mounting holes are formed in the center of the lever 4 and the top surface of the support rod 3, a connecting column 18 is arranged in each mounting hole, the center of the lever 4 is rotatably connected with the support rod 3, so that the lever 4 can rotate with the support rod 3 through the connecting column 18, the lever 4 is made to realize the principle of the lever 4 when the lever 4 rotates, and a teacher can conveniently conduct teaching experiments on students.

As shown in the attached drawing 1, two ends of a hanging rope 6 are respectively fixedly connected with a hanging ring 5 and a tray 7, the cross section of the tray 7 is arc-shaped, so that the tray 7 can be hung through the hanging rope 6, and the arc-shaped tray 7 is convenient for teachers to place articles for experiments and students to understand.

As shown in fig. 3, a threaded hole is formed in the bottom surface of the lever 4, a threaded post 19 is formed in the top surface of the fixing plate 8, and the fixing plate 8 is detachably connected with the lever 4 through the threaded post 19 and the threaded hole, so that the fixing plate 8 is connected with the lever 4, and the fixing plate 8 is mounted with the lever 4.

As shown in fig. 1 and 3, the pulley 10 is rotatably connected to the U-shaped frame 9, the sliding cylinder 12 is slidably connected to the U-shaped rod 11, external threads are provided on the outside of the U-shaped rod 11, and the stopper 13 is threadedly connected to the U-shaped rod 11, so that the pulley 10 is rotated outside the U-shaped frame 9, and the sliding cylinder 12 is stopped by the threaded rotation between the stopper 13 and the U-shaped rod 11.

As shown in fig. 1 and 3, the outside of the pulley 10 is provided with a pull rope 20 in a surrounding manner, one end of the pull rope 20 is detachably connected with the ring 14, and the other end of the pull rope 20 is attached to the outside of the pulley 10 and extends to one side of the rotating wheel, so that the pull rope 20 can rotate on the surface of the pulley 10 by pulling the pull rope 20, a teacher can conveniently perform on-site demonstration and explanation, and students can conveniently understand the pull rope.

As shown in the attached drawing 4, the back of the blackboard 1 is provided with two mounting plates 21, one end of each mounting plate 21 is provided with a fixture block 22, the cross section of the blackboard 1 is arc-shaped, so that the blackboard 1 can be conveniently mounted through the fixture blocks 22, and the cross section of the blackboard 1 is arc-shaped, so that the student can be prevented from being injured by the light reflected by the eyes of the student when seeing the blackboard 1.

The utility model discloses the theory of operation: when the blackboard eraser is used, firstly, a groove is formed in a classroom wall body, the blackboard 1 is clamped into the groove of the wall body through the clamping block 22, when a student listens, a teacher can place objects on the tray 7 to change the weight on the tray 7, the lever 4 rotates along the central part of the supporting rod 3 through the weight of the objects, the principle of the lever 4 is explained for the student in a mode of inclining the lever 4 through changing the weight of the objects in the tray 7, the position of the sliding barrel 12 is changed through sliding the sliding barrel 12, the limiting block 13 rotates outside the U-shaped rod 11 through rotating the limiting block 13, the sliding barrel 12 is limited through the limiting block 13, the ring 14 at the top is driven to move through the sliding barrel 12, the teacher can explain the physical knowledge of gravity for the student through pulling the pull rope 20, and the arc-shaped arrangement of the blackboard 1 prevents the student from reflecting light to see the blackboard 1 when watching, avoid causing student's eyesight to descend, nevertheless provide light through light 17 and make things convenient for the student to see blackboard 1 that can also be clear in dim place to avoid student's eyesight to cause the damage.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a teaching board for physical teaching, includes blackboard (1), its characterized in that: the teaching mechanism is arranged on the surface of the blackboard (1), and the two ends of the blackboard (1) are provided with lighting assemblies;

the teaching mechanism comprises a supporting plate (2), the supporting plate (2) is arranged on the surface of the bottom of a blackboard (1), a supporting rod (3) is arranged at the top of the supporting plate (2), a lever (4) is arranged at the top of the supporting rod (3), suspension rings (5) are arranged at the bottoms of two ends of the lever (4), a suspension rope (6) is arranged at the bottoms of the two suspension rings (5), a tray (7) is arranged at the bottom end of the suspension rope (6), a fixing plate (8) is arranged at the bottom of the lever (4), a U-shaped frame (9) is arranged at the bottom of the fixing plate (8), a pulley (10) is arranged outside the U-shaped frame (9), a U-shaped rod (11) is arranged at one side of the supporting rod (3) at the top of the supporting plate (2), a sliding barrel (12) is arranged outside the U-shaped rod (11), and limiting blocks (13) are arranged at two ends of the sliding barrel (12) outside the U-shaped rod (11), the top of the sliding cylinder (12) is provided with a circular ring (14);

the lighting assembly comprises a connecting plate (15), the connecting plate (15) is arranged at two ends of the blackboard (1), a fixing block (16) is arranged at the top of the connecting plate (15), the fixing block (16) is detachably connected with the connecting plate (15) through a screw rod, and a lighting lamp (17) is fixedly arranged at the top of the fixing block (16).

2. The teaching board for physics teaching according to claim 1, wherein: the blackboard is characterized in that the support rod (3) is arranged at the center of the blackboard (1), mounting holes are formed in the center of the lever (4) and the top surface of the support rod (3), connecting columns (18) are arranged inside the mounting holes, and the center of the lever (4) is rotatably connected with the support rod (3).

3. The teaching board for physics teaching according to claim 1, wherein: the two ends of the hanging rope (6) are respectively fixedly connected with the hanging ring (5) and the tray (7), and the cross section of the tray (7) is arc-shaped.

4. The teaching board for physics teaching according to claim 1, wherein: the utility model discloses a lever (4) is characterized in that lever (4) bottom surface is provided with the screw hole, fixed plate (8) top surface is provided with screw thread post (19), fixed plate (8) can be dismantled with lever (4) through screw thread post (19) and screw hole and be connected.

5. The teaching board for physics teaching according to claim 1, wherein: pulley (10) rotate with U-shaped frame (9) and are connected, smooth section of thick bamboo (12) and U-shaped pole (11) sliding connection, U-shaped pole (11) outside is provided with the external screw thread, stopper (13) and U-shaped pole (11) threaded connection.

6. The teaching board for physics teaching according to claim 1, wherein: the pulley (10) is externally provided with a pull rope (20) in a surrounding mode, one end of the pull rope (20) is detachably connected with the circular ring (14), and the other end of the pull rope (20) is attached to the outside of the pulley (10) and extends to one side of the rotating wheel.

7. The teaching board for physics teaching according to claim 1, wherein: blackboard (1) back is provided with two mounting panels (21), two mounting panel (21) one end all is provided with fixture block (22), blackboard (1) cross sectional shape sets up to the arc.