Interactive education demonstration device

Abstract

The utility model discloses an interactive education demonstration device, and relates to the technical field of education equipment. The device comprises a base, a transparent plate is arranged on the base, the transparent plate is internally provided with a plurality of communicated Y-shaped channels, the channels form a tree-shaped structure, a fixing cylinder is arranged on the transparent plate, an inlet and an outlet are formed in the fixing cylinder, the outlet is communicated with one channel through a connecting pipe, and the outlet is communicated with the other channel through a connecting pipe; a stirring rod is rotationally arranged in the fixed cylinder, and a stop lever used for blocking or unblocking the outlet is arranged on the fixed cylinder in a sliding manner. When the probability learning interactive education demonstration device is used, probability learning interactive education demonstration is carried out on students through the dynamic small balls, so that the understanding and mastering degree of the students is improved, convenience is brought to teachers, and the probability learning interactive education demonstration device is more practical.

Description

Technical Field

[0001] The present application relates to the technical field of educational equipment, and in particular to an interactive educational demonstration device. Background Art

[0002] Probability is a branch of mathematics. It is a science and technology that studies random events. It also studies numbers between 0 and 1. 0 means that the event does not occur, 1 means that the event occurs, and a number greater than 0 and less than 1 is probability. Probability is a relatively abstract concept. The traditional written education method is relatively boring, which can easily lead to low understanding and mastery of students and a difficult education process. Therefore, an interactive education demonstration device is proposed. Utility Model Content

[0003] The purpose of this application is to solve the technical problem that probability is a relatively abstract concept, the traditional written teaching method is relatively boring, which easily leads to students' low understanding and mastery, and the teaching process is relatively laborious. This application provides an interactive education demonstration device.

[0004] In order to achieve the above-mentioned purpose, this application specifically adopts the following technical solutions:

[0005] An interactive educational demonstration device, comprising:

[0006] A base is provided with a transparent plate, wherein a plurality of channels which are interconnected and all have a Y-shape structure are provided in the transparent plate, wherein the plurality of channels form a tree-like structure, wherein a fixed cylinder is provided on the transparent plate, wherein an inlet and an outlet are provided on the fixed cylinder, wherein the outlet is connected to one of the channels via a connecting pipe, wherein a stirring rod is rotatably provided in the fixed cylinder, and a blocking rod for blocking or unblocking the outlet is slidably provided on the fixed cylinder.

[0007] Furthermore, a collecting box is arranged on the transparent plate, and a communicating inclined groove and a discharge hole are opened on the collecting box, and the inclined groove is communicated with a plurality of channels therein.

[0008] Furthermore, a U-shaped return pipe is provided on the base, an inlet hole connected to the discharge hole is opened on the return pipe, a free end of the return pipe corresponds to the inlet, and a driving member is provided in the return pipe.

[0009] Furthermore, the driving member comprises a driving rod slidably arranged in the return pipe, a compression spring is arranged between the driving rod and the return pipe, and a pulling block is arranged at the free end of the driving rod.

[0010] Furthermore, a transmission member is provided between the stirring rod and the blocking rod, and when the stirring rod rotates, the blocking rod is driven to slide back and forth through the transmission member.

[0011] Furthermore, the transmission member includes a slider slidably arranged on the fixed cylinder, a return spring is arranged between the slider and the fixed cylinder, a connecting rod is hinged on the slider, the free end of the connecting rod is hinged to the baffle rod, a cam is arranged on the stirring rod, and a roller is rotatably arranged on the slider and rollingly overlaps with the cam.

[0012] Furthermore, a driving part is provided on the base, which acts on the pulling block and drives it to intermittent unidirectional movement, and the stirring rod is connected to the driving part through a pulley assembly.

[0013] Furthermore, the driving part includes a guide wheel, a rope winding wheel and a rotating rod, all of which are rotatably arranged on the base. A pull rope is wound around the rope winding wheel, and the free end of the pull rope is wound around the guide wheel and connected to the pull block. A fixed gear is arranged on the rope winding wheel, and a missing gear meshing with the fixed gear is arranged on the rotating rod. The stirring rod and the rotating rod are connected through a pulley assembly.

[0014] The beneficial effects of this application are as follows:

[0015] When the application is used, a dynamic ball is used to provide students with an interactive educational demonstration of probability, thereby improving students' understanding and mastery, while also bringing convenience to teachers, and therefore being more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the structure of this application;

[0017] Figure 2 This application Figure 1 The enlarged view of point A in the middle;

[0018] Figure 3 This application Figure 1 The enlarged view of point B in the middle;

[0019] Figure 4 It is a three-dimensional cross-sectional view of the present application;

[0020] Figure 5 This application Figure 4 Enlarged view of point C in the middle;

[0021] Figure 6 This application Figure 4 The enlarged view of point D in the middle;

[0022] Figure 7 This application Figure 4 Enlarged view of point E in the middle;

[0023] Figure 8 It is a three-dimensional diagram of the structure of part of this application;

[0024] Fig. 9 This application Figure 8A three-dimensional cross-sectional view of

[0025] Fig.10 This application Fig. 9 Enlarged view of point F in the middle.

[0026] Figure numerals: 1. base; 2. transparent plate; 3. channel; 4. fixed cylinder; 5. inlet; 6. outlet; 7. connecting pipe; 8. stirring rod; 9. baffle rod; 10. collecting box; 11. inclined slot; 12. discharge hole; 13. return pipe; 14. entry hole; 15. driving rod; 16. compression spring; 17. pull block; 18. slider; 19. reset spring; 20. connecting rod; 21. cam; 22. roller; 23. pulley assembly; 24. guide wheel; 25. rope pulley; 26. rotating rod; 27. pull rope; 28. fixed gear; 29. ​​missing gear. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0028] like Figure 1-Figure 9 As shown, an interactive educational demonstration device proposed in one embodiment of the present application includes:

[0029] A base 1 is provided with a transparent plate 2, which is vertically oriented and fixed on the base 1. A plurality of channels 3 are provided in the transparent plate 2, which are connected and all have a Y-shaped structure. The plurality of channels 3 are vertically oriented and distributed from top to bottom. The plurality of channels 3 form a tree-like structure. The tree stump structure has a ball inlet and a plurality of ball outlets. A fixed cylinder 4 is provided on the transparent plate 2, which is vertically oriented and fixed on the transparent plate 2. An inlet 5 and an outlet 6 are provided on the fixed cylinder 4. The inlet 5 and the outlet 6 are distributed at intervals up and down. The outlet 6 is connected to one of the channels 3 through a connecting pipe 7. The connecting pipe 7 is vertically oriented and fixed on the transparent plate 2. Both ends of the connecting pipe 7 are connected to the outlet 6 and the ball inlet, respectively. A stirring rod 8 is rotatably provided in the fixed cylinder 4. A blocking rod 9 for blocking or unblocking the outlet 6 is slidably provided on the fixed cylinder 4. The blocking rod 9 slides in the horizontal direction.

[0030] In the initial state, the blocking rod 9 blocks the outlet 6. When in use, the base 1 is placed on a horizontal plane, and multiple small balls are put into the fixed cylinder 4 through the inlet 5. The size and material of the multiple small balls should be the same. The stirring rod 8 is driven to rotate to mix the multiple small balls. Then the blocking rod 9 is driven to slide and the outlet 6 is unblocked. Any small ball has a probability of passing through the outlet 6 and entering the ball inlet through the connecting tube 7. Then the blocking rod 9 is driven to slide and the outlet 6 is blocked. The small ball entering the ball outlet falls randomly in the tree structure, and then the small ball is discharged from one of the ball outlets. Students can observe the movement trajectory of the small ball in the tree structure through the transparent plate 2 to realize a dynamic interactive educational demonstration of probability.

[0031] In summary, when used, the present application provides students with interactive educational demonstrations of probability through dynamic balls, thereby improving students' understanding and mastery, while also bringing convenience to teachers, and is therefore more practical.

[0032] like Figure 1-Figure 10 As shown, in some embodiments, a collecting box 10 is disposed on the transparent plate 2, the collecting box 10 is horizontally oriented and fixedly disposed at the bottom of the transparent plate 2, and a communicating chute 11 and a discharge hole 12 are opened on the collecting box 10, the chute 11 is connected to a plurality of channels 3, and the chute 11 is connected to a plurality of ball outlets;

[0033] Referring to the above, when the balls are discharged from the ball outlet, the balls are guided by the inclined slot 11 so that the balls are discharged through the discharge hole 12, thereby facilitating the centralized collection of the balls and subsequent operations.

[0034] like Figure 1-Figure 10 As shown, in some embodiments, a return pipe 13 having a U-shaped structure is provided on the base 1. The return pipe 13 is vertically oriented and fixed on the base 1. An inlet hole 14 connected to the discharge hole 12 is provided on the return pipe 13. The free end of the return pipe 13 corresponds to the inlet 5. A driving member is provided in the return pipe 13. The driving member is used to drive the ball to move along the shape of the return pipe 13 until it falls into the inlet 5.

[0035] Referring to the above, when in use, the balls pass through the discharge hole 12 and the inlet hole 14 in turn, and then enter the return pipe 13. The driving member drives the ball return pipe 13 to move in shape until it falls into the inlet 5, so as to realize the circulation movement of the balls. There is no need to collect the balls manually, and the operation is more convenient.

[0036] like Figure 3-Figure 10As shown, in some embodiments, the driving member includes a driving rod 15 slidably disposed in the return tube 13, the driving rod 15 slides in the vertical direction, a compression spring 16 is disposed between the driving rod 15 and the return tube 13, the compression spring 16 is in the vertical direction and the two ends are respectively fixedly connected to the driving rod 15 and the return tube 13, a pull block 17 is disposed at the free end of the driving rod 15, the bottom end of the driving rod 15 slides through the return tube 13, and the pull block 17 is fixedly disposed at the bottom end of the driving rod 15;

[0037] Referring to the above, in the initial state, the compression spring 16 is in a natural state, and the drive rod 15 and the pull block 17 are both in the initial position. When the ball enters the return tube 13, it will fall on the drive rod 15, driving the pull block 17 to move downward, driving the drive rod 15 and the ball to move downward together, and the compression spring 16 is compressed. Then the pull block 17 is quickly released, and the compression spring 16 is reset to the natural state. The pull block 17 and the drive rod 15 move upward to the initial position together, and the drive rod 15 drives the ball to move along the shape of the return tube 13 until it falls into the inlet 5.

[0038] like Figure 5-Figure 7 As shown, in some embodiments, a transmission member is provided between the stirring rod 8 and the stop rod 9, and when the stirring rod 8 rotates, the stop rod 9 is driven to slide back and forth by the transmission member;

[0039] Referring to the above, when in use, the stirring rod 8 is driven to rotate to mix the multiple small balls. At the same time, the baffle rod 9 is driven to slide back and forth through the transmission member. The baffle rod 9 repeatedly blocks and unblocks the outlet 6 to achieve continuous intermittent falling of the small balls. There is no need to manually control the state of the baffle rod 9, which is more convenient to use.

[0040] like Figure 5-Figure 7 As shown, in some embodiments, the transmission member includes a slider 18 slidably arranged on the fixed cylinder 4, the slider 18 slides in the vertical direction, a return spring 19 is arranged between the slider 18 and the fixed cylinder 4, the return spring 19 is in the vertical direction and the two ends are respectively fixedly connected to the slider 18 and the fixed cylinder 4, a connecting rod 20 is hinged on the slider 18, and the free end of the connecting rod 20 is hinged to the blocking rod 9, a cam 21 is arranged on the stirring rod 8, the cam 21 is in the vertical direction and fixed on the stirring rod 8, the cam 21 has adjacent circumferential surfaces and convex surfaces, and a roller 22 rollingly overlapped with the cam 21 is rotatably arranged on the slider 18, and the roller 22 is in the vertical direction;

[0041] Referring to the above, in the initial state, the baffle rod 9 blocks the outlet 6, the return spring 19 is in a natural state, the slider 18 is in the initial position, the connecting rod 20 tends to the vertical direction, the roller 22 rolls and overlaps the circumferential surface of the cam 21, and when the stirring rod 8 rotates one circle, the convex surface rolls and overlaps the roller 22, forcing the roller 22 and the slider 18 to move downward to the extreme position together, the return spring 19 is squeezed, and the connecting rod 20 rotates around the hinge point to a horizontal direction, and the baffle rod 9 is driven by the connecting rod 20 to slide and unblock the outlet 6, then the convex surface moves away from the roller 22, the return spring 19 is reset to the natural state, the roller 22 and the slider 18 move upward to the initial position together, the connecting rod 20 rotates around the hinge point to a vertical direction, and the baffle rod 9 is driven by the connecting rod 20 to slide and re-block the outlet 6, and this is repeated to achieve that when the stirring rod 8 rotates, the baffle rod 9 is driven to slide back and forth.

[0042] like Figure 2-Figure 5 As shown, in some embodiments, a driving part is provided on the base 1 to act on the pulling block 17 and drive it to intermittent unidirectional movement. The unidirectional movement here refers to the downward movement of the pulling block 17. The stirring rod 8 is connected to the driving part through a pulley assembly 23. When the stirring rod 8 rotates, the driving part is driven to operate together through the pulley assembly 23.

[0043] Referring to the above, when the stirring rod 8 rotates, the driving part is driven to operate together through the pulley assembly 23, and the pulling block 17 is driven by the driving part to intermittently move in one direction, that is, the pulling block 17 moves downward first, driving the driving rod 15 and the ball to move downward together, and the compression spring 16 is compressed. Then the compression spring 16 is restored to a natural state, and the pulling block 17 and the driving rod 15 move upward to the initial position together, and this is repeated to achieve continuous and intermittent movement of the ball along the shape of the return tube 13 to fall into the inlet 5, which is more convenient to use.

[0044] like Figure 2-Figure 5 As shown, in some embodiments, the driving part includes a guide wheel 24, a rope wheel 25 and a rotating rod 26 which are all rotatably arranged on the base 1, the guide wheel 24, the rope wheel 25 and the rotating rod 26 are all in a horizontal direction, a pull rope 27 is wound around the rope wheel 25, the free end of the pull rope 27 is wound around the guide wheel 24 and connected to the pull block 17, the free end of the pull rope 27 is fixedly connected to the pull block 17, a fixed gear 28 is arranged on the rope wheel 25, the fixed gear 28 is in a vertical direction and fixed on the rope wheel 25, a missing gear 29 meshing with the fixed gear 28 is arranged on the rotating rod 26, the missing gear 29 is in a vertical direction and fixed on the rotating rod 26, the stirring rod 8 and the rotating rod 26 are connected by a pulley assembly 23, the pulley assembly 23 includes two pulleys and a connecting belt, the two pulleys are respectively fixed on the stirring rod 8 and the rotating rod 26, and the connecting belt is wound on the two pulleys;

[0045] Referring to the above, in the initial state, the missing gear 29 is not engaged with the fixed gear 28, and the pull block 17 is in the initial position. When the stirring rod 8 rotates one circle, the rotating rod 26 is driven to rotate together through the pulley assembly 23, and the missing gear 29 rotates with the rotating rod 26 and engages with the fixed gear 28. The fixed gear 28 rotates due to the meshing action and drives the rope winding wheel 25 to rotate together. The rope winding wheel 25 tightens the pull rope 27 and guides the pull rope 27 through the guide wheel 24. The pull rope 27 is used to pull the pull block 17 and make it move downward. After that, the missing gear 29 is not engaged with the fixed gear 28, the compression spring 16 is reset to a natural state, and the pull block 17 moves upward to the initial position together with the drive rod 15.

[0046] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An interactive educational demonstration device, characterized in that: include: A base (1) is provided with a transparent plate (2) on which a plurality of channels (3) are connected and each of which is in a Y-shape are provided in the transparent plate (2), wherein the plurality of channels (3) form a tree-like structure; a fixed cylinder (4) is provided on the transparent plate (2), wherein an inlet (5) and an outlet (6) are provided in the fixed cylinder (4), wherein the outlet (6) is connected to one of the channels (3) via a connecting pipe (7); a stirring rod (8) is rotatably provided in the fixed cylinder (4), and a blocking rod (9) for blocking or unblocking the outlet (6) is slidably provided on the fixed cylinder (4).

2. The interactive educational demonstration device according to claim 1, characterized in that: A collection box (10) is provided on the transparent plate (2), and a communicating inclined groove (11) and a discharge hole (12) are provided on the collection box (10), wherein the inclined groove (11) is connected to a plurality of channels (3) therein.

3. The interactive educational demonstration device according to claim 2, characterized in that: The base (1) is provided with a return pipe (13) having a U-shaped structure. The return pipe (13) is provided with an inlet hole (14) connected to the discharge hole (12). The free end of the return pipe (13) corresponds to the inlet (5). A driving member is provided in the return pipe (13).

4. The interactive educational demonstration device according to claim 3, characterized in that: The driving member comprises a driving rod (15) slidably arranged in the return pipe (13), a compression spring (16) is arranged between the driving rod (15) and the return pipe (13), and a pulling block (17) is arranged at the free end of the driving rod (15).

5. The interactive educational demonstration device according to claim 1, characterized in that: A transmission member is provided between the stirring rod (8) and the blocking rod (9); when the stirring rod (8) rotates, the blocking rod (9) is driven to slide back and forth through the transmission member.

6. The interactive educational demonstration device according to claim 5, characterized in that: The transmission member comprises a slider (18) slidably arranged on a fixed cylinder (4), a return spring (19) being arranged between the slider (18) and the fixed cylinder (4), a connecting rod (20) being hinged on the slider (18), a free end of the connecting rod (20) being hinged on a stop rod (9), a cam (21) being arranged on the stirring rod (8), and a roller (22) being rotatably arranged on the slider (18) and rollingly overlapping with the cam (21).

7. The interactive educational demonstration device according to claim 4, characterized in that: The base (1) is provided with a driving part which acts on the pulling block (17) and drives it to intermittent unidirectional movement, and the stirring rod (8) is connected to the driving part through a pulley assembly (23).

8. The interactive educational demonstration device according to claim 7, characterized in that: The driving part comprises a guide wheel (24), a rope winding wheel (25) and a rotating rod (26) all of which are rotatably arranged on the base (1); a pull rope (27) is wound around the rope winding wheel (25); a free end of the pull rope (27) is wound around the guide wheel (24) and connected to the pulling block (17); a fixed gear (28) is arranged on the rope winding wheel (25); a missing gear (29) meshing with the fixed gear (28) is arranged on the rotating rod (26); and the stirring rod (8) and the rotating rod (26) are connected to each other through a pulley assembly (23).

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