Probability rapid demonstration teaching aid for mathematics teaching

Abstract

The utility model relates to the related technical field of probabilistic rapid demonstration teaching aids, in particular to a probabilistic rapid demonstration teaching aid for mathematics teaching. The bottom of the bottom plate is fixedly connected with a gearbox, and the top of the gearbox is fixedly connected with a portal frame. Under the matching action of the bottom plate, the gear box, the portal frame, the lifting box, the ball distributing barrel, the feeding opening, the flow dividing pipe and the collecting mechanism, a user can conveniently disassemble and assemble the device, then the user can conveniently take out probability teaching aid balls in the device after using the device, the working process of taking out the probability teaching aid balls by the user is simplified, and the working efficiency is improved. The problems that an existing probability teaching rapid demonstration teaching aid for mathematics teaching does not have a rapid installation or disassembly function, after use, a probability teaching aid ball enters the space among a connecting bottom plate, a bottom end connecting rod and a connecting bottom plate piece, the process of taking out the probability teaching aid ball by a user is complex, and the probability teaching aid ball cannot be easily taken out are solved. And the teaching process is influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to probability quick demonstration teaching aid related technical field, specifically is probability quick demonstration teaching aid for mathematics teaching. BACKGROUND

[0002] Probability is a relatively abstract concept, in the primary school mathematics probability theory course, the content of the theory also involves statistics, if can help probability teaching aid explanation, can make the student more easily understand and master.

[0003] The utility model discloses a kind of probability quick demonstration teaching aid for mathematics teaching, belong to probability quick demonstration teaching aid related technical field, to solve the problem that there is no way to clearly and clearly show the probability content by statistics in prior art when using, leading to the problem that pupil using is difficult to understand, the effect is not good when using, including teaching aid shell, the inside of the teaching aid shell is provided with feeding device, the front of the teaching aid shell is provided with box door, the bottom of the teaching aid shell is provided with probability teaching device, the probability teaching device includes statistical display cylinder, arc baffle piece, connecting bottom plate, bottom end connecting rod, connecting bottom plate piece, receiving plate, pressure sensor, connecting plate piece and mounting bolt.The probability quick demonstration teaching aid for mathematics teaching is provided with probability teaching device, after ball is thrown, mounting bolt can be screwed out from the inside of connecting bottom plate and connecting plate piece by screwing mounting bolt, so that arc baffle piece can be taken off, the number of internal spherical body can be directly observed, probability content can be clearly and clearly shown by statistics, so that pupil using is convenient to understand, the effect is good when using.

[0004] But the above patent still has the following problems: the patent does not have the function of quick installation or disassembly, after use, probability teaching aid ball will enter between connecting bottom plate, bottom end connecting rod and connecting bottom plate piece, and the process of taking out probability teaching aid ball by user is relatively complex, which affects the teaching process. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a kind of probability quick demonstration teaching aid for mathematics teaching, to solve the problem that the existing probability quick demonstration teaching aid for mathematics teaching does not have the function of quick installation or disassembly in the above background art, after use, probability teaching aid ball will enter between connecting bottom plate, bottom end connecting rod and connecting bottom plate piece, and the process of taking out probability teaching aid ball by user is relatively complex, which affects the teaching process.

[0006] The technical scheme of the utility model is:

[0007] The utility model provides a probability science fast demonstration teaching aid for mathematics teaching, including: bottom plate, the bottom fixedly connected with gear box of bottom plate, the top fixedly connected with gantry of gear box, the inside of gantry is provided with lifting box, the inside of lifting box is provided with ball distributing barrel, the top inside fixedly connected with inlet of lifting box of lifting box, the bottom end fixedly connected with ball distributing barrel of inlet, the bottom evenly provided with six shunt pipes of ball distributing barrel, the bottom end fixedly connected with lifting box of shunt pipe, lifting box is close to shunt pipe and is provided with the collection mechanism of convenient dismounting, both sides of lifting box are provided with lifting mechanism convenient for watching.

[0008] Preferably, the collection mechanism comprises: the lifting box is fixedly connected with a sleeve near the shunt pipe, the outer surface of the sleeve is sleeved with a collection cylinder; the inside of the sleeve is uniformly provided with six elastic sheets, the top end of the elastic sheet is fixedly connected with the lifting box, the sleeve is fixedly connected with a limiting ring near the elastic sheet, the limiting ring is matched with the elastic sheet, the top of the collection cylinder is provided with a rubber pad, and the rubber pad is fixedly connected with the lifting box.

[0009] Preferably, the lifting mechanism comprises: the two sides of the lifting box are fixedly connected with lifting blocks, the inside of the lifting block is screw connected with a screw rod, and the top end of the screw rod is rotatably connected with the gantry; the bottom end of the screw rod penetrates the bottom plate and extends to the inside of the gear box, the outer surface of the screw rod in the gear box is fixedly connected with a first bevel gear, the side adjacent to the two first bevel gears is engaged with a second bevel gear, a double-shaft motor is arranged between the two second bevel gears, the double-shaft motor is fixedly connected with the bottom plate, and the outer surfaces of the two output ends of the double-shaft motor are respectively fixedly connected with the second bevel gears.

[0010] Preferably, the inside of the ball distributing barrel is provided with a rotating plate, the rotating plate is matched with the shunt pipe, the top outer surface of the rotating plate is uniformly provided with six arc-shaped grooves, the bottom center of the rotating plate is fixedly connected with a rotating shaft, the bottom end of the rotating shaft penetrates the ball distributing barrel and the lifting box and extends to the motor, the motor is fixedly connected with the lifting box, and the rotating shaft is fixedly connected with the output end of the motor.

[0011] Preferably, one side of the lifting box is provided with a box door, the box door is hingedly connected with the lifting box through a hinge, the inside of the box door is fixedly connected with a tempered glass, and the side, away from the lifting box, of the box door is fixedly connected with a handle.

[0012] Preferably, one side of the gantry is provided with a control box with a battery inside, and the control box is fixedly connected with the bottom plate and the gantry.

[0013] Preferably, the bottom of the gear box is fixedly connected with support blocks, and the bottom of each support block is provided with an anti-skid pad fixedly connected with the support block.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] Firstly, the device is convenient to disassemble and install, and the probability teaching round ball inside the device can be conveniently taken out after use, the work flow of taking out the probability teaching round ball is simplified, the teaching process is not affected, the existing probability teaching round ball for mathematics teaching does not have the functions of quick installation and disassembly, the probability teaching round ball enters between the connecting bottom plate, the bottom end connecting rod and the connecting bottom plate after use, the process of taking out the probability teaching round ball by the user is relatively complex, and the teaching process is affected.

[0016] Secondly, the height of the device can be adjusted according to the needs of the user, so that students can watch conveniently, the practicability is improved, the existing probability teaching round ball for mathematics teaching does not have the function of height adjustment, students cannot watch conveniently, and the practicability is poor. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a perspective structural schematic view of the probability teaching round ball for mathematics teaching of the utility model;

[0018] Figure 2 It is a side view sectional view structural schematic view of the probability teaching round ball for mathematics teaching of the utility model;

[0019] Figure 3 It is a perspective structural schematic view of the probability teaching round ball for mathematics teaching of the utility model; Figure 2 It is an enlarged structural schematic view of position A of the probability teaching round ball for mathematics teaching of the utility model;

[0020] Figure 4 It is an enlarged structural schematic view of position B of the probability teaching round ball for mathematics teaching of the utility model; Figure 2 It is an enlarged structural schematic view of position B of the probability teaching round ball for mathematics teaching of the utility model;

[0021] Figure 5 It is a structural schematic view of the lifting mechanism of the utility model;

[0022] Figure 6 It is a connecting structural schematic view of the ball separating cylinder and the shunt pipe of the utility model.

[0023] In the drawing:

[0024] 1, bottom plate; 2, gear box; 3, gantry; 4, lifting box; 5, ball dividing cylinder; 6, inlet; 7, flow dividing pipe; 8, collecting mechanism; 9, lifting mechanism; 10, collar; 11, collecting cylinder; 12, elastic sheet; 13, limiting ring; 14, rubber pad; 15, lifting block; 16, screw; 17, first bevel gear; 18, second bevel gear; 19, double-shaft motor; 20, rotating plate; 21, arc-shaped groove; 22, rotating shaft; 23, motor; 24, box door; 25, hinge; 26, tempered glass; 27, handle; 28, control box; 29, supporting block; 30, non-slip pad. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1 to 6 The above technical solutions are described in detail through the following embodiments.

[0027] A probability teaching aid for mathematics teaching, comprising: a bottom plate 1; the bottom plate 1 is fixedly connected with a gear box 2 at the bottom, the top of the gear box 2 is fixedly connected with a gantry 3, the inside of the gantry 3 is provided with a lifting box 4, the inside of the lifting box 4 is provided with a ball dividing cylinder 5, the top inside of the lifting box 4 is fixedly connected with an inlet 6, the bottom end of the inlet 6 is fixedly connected with the ball dividing cylinder 5, the bottom of the ball dividing cylinder 5 is uniformly provided with six flow dividing pipes 7, the bottom end of each flow dividing pipe 7 is fixedly connected with the lifting box 4; the lifting box 4 is provided with a collecting mechanism 8 for easy disassembly near each flow dividing pipe 7; the two sides of the lifting box 4 are provided with lifting mechanisms 9 for easy viewing; a user puts probability teaching balls into the inside of the ball dividing cylinder 5 through the inlet 6, the probability teaching balls flow into the inside of the collecting mechanism 8 through the flow dividing pipes 7, and the number of the probability teaching balls in the collecting mechanism 8 is counted to achieve the purpose of calculating probability.

[0028] As Figure 4As shown, the collecting mechanism 8 comprises: the lifting box 4 is fixedly connected with a sleeve 10 near the shunt pipe 7, and the outer surface of the sleeve 10 is sleeved with a collecting cylinder 11; the inside of the sleeve 10 is uniformly provided with six elastic sheets 12, the top end of the elastic sheet 12 is fixedly connected with the lifting box 4, the sleeve 10 is fixedly connected with a limiting ring 13 near the elastic sheet 12, the limiting ring 13 is matched with the elastic sheet 12, the top of the collecting cylinder 11 is provided with a rubber pad 14, and the rubber pad 14 is fixedly connected with the lifting box 4; the user can pull the collecting cylinder 11 downward, the collecting cylinder 11 drives the limiting ring 13, the limiting ring 13 extrudes the elastic sheet 12 through the inclined surface of the elastic sheet 12, so that the elastic sheet 12 is elastically deformed, and then the collecting cylinder 11 is separated from the sleeve 10, the purpose of disassembling the collecting cylinder 11 is achieved, and the user can pour out the probability teaching aid balls in the collecting cylinder 11; when installing, the user sleeves the bottle opening of the collecting cylinder 11 on the outer surface of the sleeve 10, and then pushes the collecting cylinder 11 upward, the collecting cylinder 11 drives the limiting ring 13 to extrude the elastic sheet 12, and the elastic sheet 12 is deformed again, so that the collecting cylinder 11 moves upward on the outer surface of the sleeve 10; when the collecting cylinder 11 moves to the rubber pad 14, the extrusion force on the surface of the elastic sheet 12 disappears, the elastic sheet 12 is elastically recovered, the collecting cylinder 11 is fixed on the outer surface of the sleeve 10 through the cooperation of the limiting ring 13, the user can disassemble and install the device conveniently, and then the user can take out the probability teaching aid balls in the device after use, the working process of the user taking out the probability teaching aid balls is simplified, the teaching process is not affected, the existing probability teaching aid for mathematics teaching does not have the functions of quick installation and disassembly, after use, the probability teaching aid balls enter between the connecting bottom plate, the bottom end connecting rod and the connecting bottom plate piece, the process of the user taking out the probability teaching aid balls is relatively complex, and the teaching process is affected.

[0029] As Figure 5As shown, the lifting mechanism 9 comprises: the lifting block 15 is fixedly connected to both sides of the lifting box 4, the interior of the lifting block 15 is threadedly connected with the screw rod 16, and the top end of the screw rod 16 is rotatably connected with the gantry 3; the bottom end of the screw rod 16 penetrates through the bottom plate 1 and extends into the interior of the gear box 2, the outer surface of the screw rod 16 located at the interior of the gear box 2 is fixedly connected with the first bevel gear 17, the side adjacent to the two first bevel gears 17 is engaged with the second bevel gear 18, and the two second bevel gears 18 are provided with the double-shaft motor 19, the double-shaft motor 19 is fixedly connected with the bottom plate 1, the outer surface of the two sides of the output end of the double-shaft motor 19 is fixedly connected with the second bevel gear 18, the double-shaft motor 19 is started, the output end of the double-shaft motor 19 drives the second bevel gear 18 to rotate, the second bevel gear 18 drives the first bevel gear 17, the first bevel gear 17 drives the screw rod 16, the screw rod 16 rotates through the cooperation of the gantry 3 and the bottom plate 1, the screw rod 16 drives the lifting block 15 to rotate, the lifting block 15 drives the lifting box 4, and thus the height of the lifting box 4 is adjusted. The user can adjust the height of the device according to the needs, so that the students can watch, the practicability is improved, and the problems that the existing probability teaching aid for mathematical teaching does not have the height adjustment function and is inconvenient for students to watch and has poor practicability are solved.

[0030] As shown in Figure 2 , Figure 3 and Figure 6 , the interior of the ball dividing cylinder 5 is provided with a rotating plate 20, the rotating plate 20 is matched with the shunt pipe 7, the top outer surface of the rotating plate 20 is uniformly provided with six arc-shaped grooves 21, the bottom center of the rotating plate 20 is fixedly connected with a rotating shaft 22, the bottom end of the rotating shaft 22 penetrates through the ball dividing cylinder 5 and the lifting box 4 and extends to the motor 23, the motor 23 is fixedly connected with the lifting box 4, the rotating shaft 22 is fixedly connected with the output end of the motor 23, the motor 23 is started, the output end of the motor 23 drives the rotating shaft, the rotating shaft 22 drives the rotating plate 20, so that the probability teaching aid balls entering the interior of the ball dividing cylinder 5 are rolled into the interior of the shunt pipe 7 through the arc-shaped grooves 21, and the calculation accuracy of the probability is improved.

[0031] As shown in Figure 1 , one side of the lifting box 4 is provided with a box door 24, the box door 24 is hingedly connected with the lifting box 4 through a hinge 25, the interior of the box door 24 is fixedly connected with a tempered glass 26, and the side, away from the lifting box 4, of the box door 24 is fixedly connected with a handle 27, so that the user can observe the interior of the ball dividing cylinder 4 through the tempered glass 26.

[0032] As shown in Figure 1 and Figure 2As shown, one side of the gantry 3 is provided with a control box 28 with a battery inside, the control box 28 is fixedly connected with the bottom plate 1 and the gantry 3, the battery can not only provide power for the device, but also can be connected to the power supply through the wire, which improves the flexibility of the device.

[0033] As shown in the figure, Figure 1 As shown, the bottom corners of the gear box 2 are fixedly connected with support blocks 29, and the bottom of each support block 29 is provided with a non-slip pad 30, which is fixedly connected with the support block 29, improving the stability of the device, avoiding displacement or shaking of the device, and causing inaccurate probability data statistics.

[0034] Working principle: the user can pull the collecting cylinder 11 downward, the collecting cylinder 11 drives the limiting ring 13, the limiting ring 13 extrudes the elastic sheet 12 through the inclined surface of the elastic sheet 12, so that the elastic sheet 12 produces elastic deformation, and then the collecting cylinder 11 and the sleeve 10 are separated, the purpose of disassembling the collecting cylinder 11 is achieved, the user can pour out the probability teaching ball inside the collecting cylinder 11, when installing, the user puts the bottle mouth of the collecting cylinder 11 on the outer surface of the sleeve 10, and then pushes the collecting cylinder 11 upward, the collecting cylinder 11 drives the limiting ring 13 to extrude the elastic sheet 12, and the elastic sheet 12 deforms again, so that the collecting cylinder 11 moves upward on the outer surface of the sleeve 10, when the collecting cylinder 11 moves to the rubber pad 14, the extrusion force on the surface of the elastic sheet 12 disappears, and the elastic sheet 12 restores, the collecting cylinder 11 is fixed on the outer surface of the sleeve 10 through the cooperation of the limiting ring 13, which is convenient for the user to disassemble and install the device, and then it is convenient for the user to take out the probability teaching ball inside the device after use, simplifying the user's work flow of taking out the probability teaching ball, avoiding affecting the teaching process, solving the problem that the existing probability teaching ball does not have the function of quick installation or disassembly, after use, the probability teaching ball will enter the connection between the bottom plate, the bottom end connecting rod and the connecting bottom plate, the user's process of taking out the probability teaching ball is relatively complex, and the teaching process is affected.

[0035] Start the double-shaft motor 19, the output end of the double-shaft motor 19 drives the second bevel gear 18 to rotate, the second bevel gear 18 drives the first bevel gear 17 respectively, the first bevel gear 17 drives the screw rod 16 respectively, the screw rod 16 rotates through the cooperation of the gantry 3 and the bottom plate 1, the screw rod 16 drives the lifting block 15 to rotate at the same time, the lifting block 15 drives the lifting box 4, and then the purpose of adjusting the height of the lifting box 4 is achieved, the user can adjust the height of the device according to the demand, in order to facilitate students to watch, improve the practicability, solve the problem that the existing probability teaching ball does not have the function of adjusting the height, and is not convenient for students to watch, the practicability is poor.

[0036] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A rapid demonstration teaching aid for probability in mathematics teaching, comprising: Base plate (1); The base plate (1) is characterized in that a gearbox (2) is fixedly connected to the bottom, a gantry frame (3) is fixedly connected to the top of the gearbox (2), a lifting box (4) is provided inside the gantry frame (3), a ball-distributing cylinder (5) is provided inside the lifting box (4), an inlet (6) is fixedly connected to the top of the lifting box (4), the bottom end of the inlet (6) is fixedly connected to the ball-distributing cylinder (5), and six diversion pipes (7) are evenly arranged at the bottom of the ball-distributing cylinder (5), the bottom ends of the diversion pipes (7) are all fixedly connected to the lifting box (4). Each of the lifting boxes (4) is equipped with a collection mechanism (8) that is easy to disassemble and assemble near the diversion pipe (7); Both sides of the lifting box (4) are equipped with lifting mechanisms (9) for easy viewing.

2. The rapid demonstration teaching aid for probability in mathematics teaching as described in claim 1, characterized in that: The collection mechanism (8) includes: Each of the lifting boxes (4) is fixedly connected to a sleeve (10) near the diversion pipe (7), and a collection cylinder (11) is fitted on the outer surface of each sleeve (10); The sleeve (10) has six elastic sheets (12) evenly arranged inside. The top of each elastic sheet (12) is fixedly connected to the lifting box (4). Each sleeve (10) near the elastic sheet (12) is fixedly connected to a limiting ring (13). The limiting ring (13) is adapted to the elastic sheet (12). Each collection cylinder (11) has a rubber pad (14) on its top. Each rubber pad (14) is fixedly connected to the lifting box (4).

3. The rapid demonstration teaching aid for probability in mathematics teaching as described in claim 1, characterized in that: The lifting mechanism (9) includes: Lifting blocks (15) are fixedly connected to both sides of the lifting box (4). Each lifting block (15) is threaded with a screw (16). The top of each screw (16) is rotatably connected to the gantry frame (3). The bottom end of each screw (16) penetrates the base plate (1) and extends into the interior of the gearbox (2). The outer surface of each screw (16) located inside the gearbox (2) is fixedly connected to a first bevel gear (17). A second bevel gear (18) meshes with each of the two adjacent sides of the first bevel gears (17). A dual-axis motor (19) is provided between the two second bevel gears (18). The dual-axis motor (19) is fixedly connected to the base plate (1). The second bevel gears (18) are respectively fixed to the outer surfaces of the output ends on both sides of the dual-axis motor (19).

4. The rapid demonstration teaching aid for probability in mathematics teaching as described in claim 1, characterized in that: The ball-distributing cylinder (5) is equipped with a rotating plate (20), which is adapted to the diversion pipe (7). The top outer surface of the rotating plate (20) is evenly provided with six arc-shaped grooves (21). A rotating shaft (22) is fixedly connected to the bottom center of the rotating plate (20). The bottom end of the rotating shaft (22) passes through the ball-distributing cylinder (5) and the lifting box (4) and extends to the motor (23). The motor (23) is fixedly connected to the lifting box (4), and the rotating shaft (22) is fixedly connected to the output end of the motor (23).

5. The rapid demonstration teaching aid for probability in mathematics teaching as described in claim 1, characterized in that: The lifting box (4) has a door (24) on one side. The door (24) is hinged to the lifting box (4) via a hinge (25). Tempered glass (26) is fixedly connected inside the door (24). A handle (27) is fixedly connected to the side of the door (24) away from the lifting box (4).

6. The rapid demonstration teaching aid for probability in mathematics teaching as described in claim 1, characterized in that: A control box (28) with a battery inside is provided on one side of the gantry (3), and the control box (28) is fixedly connected to the base plate (1) and the gantry (3).

7. The rapid demonstration teaching aid for probability in mathematics teaching as described in claim 1, characterized in that: The gearbox (2) has four fixed support blocks (29) at its bottom corners. Each support block (29) has an anti-slip pad (30) at its bottom, and the anti-slip pad (30) is fixedly connected to the support block (29).

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