Mathematical probability simulation experiment box

Abstract

The utility model relates to the technical field of experiment boxes, in particular to a mathematical probability simulation experiment box which is convenient to collect, improves the working efficiency and enhances the practicability. Comprising an experiment table, a collecting mechanism comprises an experiment barrel, the experiment barrel and the experiment table are fixedly connected through two connecting plates, a first through hole is formed in the bottom end of the experiment barrel, a stepping motor is fixedly installed at the top end of the experiment table, and a rotating disc is fixedly installed at the top end of the stepping motor and provided with a plurality of second through holes; a supporting rod is fixedly installed at the top end of the experiment table, an arc-shaped plate is fixedly installed at the top end of the supporting rod, a U-shaped plate is fixedly installed on the experiment table, a collecting box is slidably installed in the U-shaped plate, a handle is fixedly installed on the collecting box, a clamping block is fixedly installed on the U-shaped plate, a clamping groove is formed in one end of the collecting box, and the clamping block and the clamping groove are clamped. The coin inserting mechanism is installed on the experiment cylinder and used for throwing out coins.

Description

TECHNICAL FIELD

[0001] The utility model relates to experimental box technical field especially is related to a mathematical probability simulation experiment box. BACKGROUND

[0002] Probability is a concept defined by people according to the law of random event occurrence, in high school teaching, the teacher teaches students to learn the knowledge of probability more intuitively, often through some actual probability demonstration experiment, demonstration teaching can make students obtain vivid and intuitive perceptual knowledge, deepen the impression on the learned knowledge, in the actual demonstration teaching process, the teacher generally uses intuitive teaching aids, cooperates with the speech and carries out demonstration operation performance, the most commonly seen is the coin tossing experiment, after tossing the coin for many times, the probability of getting the coin head or tail up is counted, due to the limited class time, the traditional manual coin tossing method will waste most of the class time, therefore a mathematical probability simulation device is required.

[0003] For example, the utility model patent with the patent number CN205810208U discloses a probability model teaching aid for mathematics teaching, which comprises a shell, a supporting seat is arranged below the shell, an entering coin slot, a coin pushing slot and a coin falling slot are arranged in the shell, the entering coin slot is vertically arranged, an entering coin opening is arranged above the entering coin slot, the coin pushing slot is communicated with the entering coin slot, the coin pushing slot is horizontally arranged, a first coin pushing device is arranged outside the coin pushing slot, the coin falling slot is communicated with the coin pushing slot, a second coin pushing device is arranged on one side outside the coin falling slot, and a coin outlet is arranged on the other side outside the coin falling slot.

[0004] It is found in the use of the above-mentioned prior art that the device realizes the coin tossing process through the first coin pushing device and the second coin pushing device when working, the tossed coin will fall into the coin box along the extension plate under the pushing of the subsequent coin, but the device cannot collect the coin well, and multiple coins are accumulated on the extension plate, which can cause data recording error, affect the experimental result and reduce the working efficiency, thereby resulting in poor practicability. UTILITY MODEL CONTENT

[0005] (I) technical problem solved

[0006] To solve the above technical problems, the utility model provides a mathematical probability simulation experiment box which is convenient to collect, improves the working efficiency and enhances the practicability.

[0007] (II) technical scheme

[0008] To achieve the above object, the present application provides the following technical scheme: a mathematical probability simulation experiment box, comprising an experiment table, the collecting mechanism comprises an experiment cylinder, the experiment cylinder and the experiment table are fixedly connected through two connecting plates, a first through hole is formed in the bottom end of the experiment cylinder, a stepping motor is fixedly installed at the top end of the experiment table, a turntable is fixedly installed at the top end of the stepping motor, a plurality of second through holes are formed in the turntable, the first through hole is communicated with one of the second through holes, a supporting rod is fixedly installed at the top end of the experiment table, an arc-shaped plate is fixedly installed at the top end of the supporting rod, a U-shaped plate is fixedly installed on the experiment table, a collecting box is slidably installed in the U-shaped plate, a handle is fixedly installed on the collecting box, a clamping block is fixedly installed on the U-shaped plate, a clamping groove is formed in one end of the collecting box, the clamping block is clamped with the clamping groove, and a coin throwing mechanism is installed on the experiment cylinder and used for throwing a coin into the experiment cylinder.

[0009] By adopting the above technical scheme, the coin is thrown into the experiment cylinder through the coin throwing mechanism, the coin rolls in the experiment cylinder, and finally falls into one of the second through holes in the turntable through the first through hole at the bottom of the experiment cylinder. Since the arc-shaped plate is located below the turntable and shields part of the second through holes, the coin is prevented from falling. The stepping motor is controlled to rotate by a fixed angle each time, so that the other second through holes are sequentially located below the first through hole, and the probability experiment is continuously performed. At this time, the heads and tails of the coin in the second through hole of the turntable can be recorded. When the first coin is driven by the turntable to leave the surface of the arc-shaped plate, the coin falls into the collecting box for collection. This process realizes convenient collection and improves work efficiency, thereby enhancing practicality.

[0010] Preferably, the coin throwing mechanism comprises a top plate, the top plate is fixedly installed on the experiment cylinder, a coin throwing box is fixedly installed on the top plate, a storage groove is formed in the coin throwing box, an inclined slope is arranged at one end of the storage groove, a coin inlet is formed at the top end of the storage groove, an electric push rod is fixedly installed at one end of the coin throwing box, a push block is fixedly installed at the output end of the electric push rod, and a protrusion is arranged on the push block.

[0011] By adopting the above technical scheme, a plurality of coins are thrown into the storage groove in the coin throwing box through the coin inlet. The inclined slope at the right end of the storage groove can prevent the coins from falling. The electric push rod is started, the push block is driven by the electric push rod to move the coins to the right, the protrusion on the push block can prevent the coins from being squeezed out of the coin inlet, and the electric push rod advances by a distance of one diameter of the coin each time. Therefore, the coins can be sequentially thrown into the experiment cylinder, thereby improving practicality.

[0012] Preferably, a rubber pad is arranged in the collecting box.

[0013] By adopting the above technical scheme, the rubber pad can prevent the coins from directly falling to the bottom of the collecting box and making a loud noise, thereby improving practicality.

[0014] Preferably, one end of the U-shaped plate is arranged in a slope structure.

[0015] By adopting the technical scheme, the inclined surface structure can make the collecting box better inserted into the U-shaped plate, thereby improving practicability.

[0016] Preferably, the top plate is fixedly installed with a rib plate, and the rib plate is fixedly connected with the experimental cylinder.

[0017] By adopting the technical scheme, the rib plate can reinforce the connection between the experimental cylinder and the top plate, thereby improving stability.

[0018] (Three) beneficial effects

[0019] Compared with the prior art, the mathematical probability simulation experiment box has the following beneficial effects:

[0020] The coin is thrown into the experimental cylinder through the coin throwing mechanism, rolls in the experimental cylinder, and finally falls into one of the second through holes of the rotating disc through the first through hole at the bottom of the experimental cylinder. Since the arc-shaped plate is located below the rotating disc and shields part of the second through holes, the coin is prevented from falling. The controller controls the stepping motor to rotate by a fixed angle each time, so that other second through holes are sequentially located below the first through hole, and the probability experiment is continuously performed. At this time, the heads and tails of the coin in the second through hole of the rotating disc can be recorded. When the rotating disc drives the first coin to leave the surface of the arc-shaped plate, the coin falls into the collecting box for collection. This process realizes convenient collection, improves work efficiency, and thus enhances practicability. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a schematic diagram of the shaft side structure of the utility model;

[0022] Figure 2 is a schematic diagram of the shaft side sectional structure of the utility model;

[0023] Figure 3 is a schematic diagram of the shaft side structure of the utility model; Figure 2 is a schematic diagram of the enlarged structure of A in the middle;

[0024] Figure 4 is a schematic diagram of the structure of the connecting rod and the arc-shaped plate of the utility model.

[0025] In the drawings, 1 is an experiment table, 2 is a connecting plate, 3 is a stepping motor, 4 is a rotating disc, 5 is a connecting rod, 6 is an arc-shaped plate, 7 is a U-shaped plate, 8 is a collecting box, 9 is a handle, 10 is a clamping block, 11 is a top plate, 12 is a coin box, 13 is a storage groove, 14 is an electric push rod, 15 is a push block, 16 is a rubber pad, 17 is an inclined surface structure, 18 is a rib plate, and 19 is an experimental cylinder. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0027] Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0028] Embodiments

[0029] Please refer to Figures 1-4The utility model provides a kind of mathematical probability simulation experiment box, including experiment table 1, collection mechanism includes experiment cylinder 19, experiment cylinder 19 is fixedly connected between experiment table 1 by two connecting plates 2, first through-hole is opened at the bottom of experiment cylinder 19, experiment table 1 top is fixedly installed with stepper motor 3, stepper motor 3 top is fixedly installed with carousel 4, multiple second through-holes are opened in carousel 4, first through-hole is communicated with one of second through-holes, experiment table 1 top is fixedly installed with support 5, support 5 top is fixedly installed with arc plate 6, experiment table 1 is fixedly installed with U-shaped plate 7, U-shaped plate 7 is slidably installed in U-shaped plate 7, handle 9 is fixedly installed on collection box 8, U-shaped plate 7 is fixedly installed with clamping block 10, one end of collection box 8 is provided with clamping groove, clamping block 10 is clamped with clamping groove, one end of U-shaped plate 7 is provided as inclined plane structure 17, inclined plane structure 17 can be better inserted into U-shaped plate 7, rubber pad 16 is laid in collection box 8, rubber pad 16 can avoid that coin directly falls to the bottom of collection box 8 and makes larger sound, and plays buffering effect, coin throwing mechanism includes top plate 11, top plate 11 is fixedly installed on experiment cylinder 19, top plate 11 is fixedly installed with coin throwing box 12, storage groove 13 is opened in coin throwing box 12, one end of storage groove 13 is provided with slope, first coin inlet is opened at the top of storage groove 13, one end of coin throwing box 12 is fixedly installed with electric push rod 14, push block 15 is fixedly installed on the output end of electric push rod 14, the protrusion is arranged on push block 15, a plurality of coins are thrown into the storage groove 13 of coin throwing box 12 through first coin inlet, the slope at the right end of storage groove 13 can avoid coin falling, electric push rod 14 is started, and electric push rod 14 drives push block 15 to push coin to move right, and the protrusion on push block 15 can avoid that coin is extruded from first coin inlet, and electric push rod 14 advances the distance of the diameter of a coin each time, so that the coins can be sequentially thrown into experiment cylinder 19, the coin rolls in experiment cylinder 19, and finally falls into one of second through-holes of carousel 4 through the first through-hole at the bottom of experiment cylinder 19, since arc plate 6 is located below carousel 4 and shields part of second through-hole, coin falling is avoided, by controlling the rotation of stepper motor 3 by controller every fixed angle, other second through-holes are sequentially located below first through-hole, and probability experiment is continuously carried out, at this time, the front and back of the coin in the second through-hole of carousel 4 can be recorded, when carousel 4 drives the first coin to leave the surface of arc plate 6, the coin falls into collection box 8 and is collected, the process realizes the process of facilitating collection, improves work efficiency, and thus enhances practicability.

[0030] Please refer to Figures 1-3 , the bottom of top plate 11 is fixedly installed with rib plate 18, rib plate 18 is fixedly connected with experiment cylinder 19, and rib plate 18 can reinforce the connection between experiment cylinder 19 and top plate 11, so as to improve stability.

[0031] The utility model discloses a mathematical probability simulation experiment box, its in work, through the coin inlet, multiple coins are put into the storage groove 13 of coin box 12, the slope of the right end of storage groove 13 can avoid the coin to drop, and the electric push rod 14 is started, and the electric push rod 14 drives the push piece 15 to push the coin to move right, and the convex on the push piece 15 can avoid the coin to squeeze out from the coin inlet, and the electric push rod 14 advances the distance of a coin diameter every time, and therefore can put the coin into the experiment cylinder 19 in turn, and the coin rolls in the experiment cylinder 19, and finally falls into one of the second through holes of the rotating disc 4 through the first through hole at the bottom of the experiment cylinder 19, because the arc plate 6 is located below the rotating disc 4 and shields part second through hole, avoids the coin to drop, and the controller controls the fixed angle of rotation of the stepper motor 3 every time, and the motor is the well-known equipment of the prior art of the market, and we only use it here, and do not improve its structure and function, and we do not repeat here, and the motor is provided with the control switch matched with it, and the installation position of the control switch is selected according to actual use demand, and the operator is convenient to operate and control, so that other second through holes are sequentially located below the first through hole, and the probability experiment is continuously carried out, and the coin in the second through hole of the rotating disc 4 can be recorded at this time, and when the rotating disc 4 drives the first coin to leave the surface of arc plate 6, the coin falls into the collecting box 8 and is collected, and the process realizes the process of convenient collection.

[0032] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A mathematical probability simulation experiment box comprising an experiment table (1), characterized in that Also include: Collecting mechanism, the collecting mechanism includes experimental cylinder (19), experimental cylinder (19) and experimental table (1) are fixedly connected by two connecting plates (2), the bottom end of experimental cylinder (19) is provided with first through-hole, the top of experimental table (1) is fixedly installed with step motor (3), the top of step motor (3) is fixedly installed with rotary table (4), a plurality of second through-holes are formed in rotary table (4), first through-hole is communicated with one of second through-holes, the top of experimental table (1) is fixedly installed with support rod (5), the top of support rod (5) is fixedly installed with arc plate (6), U-shaped plate (7) is fixedly installed on experimental table (1), collecting box (8) is slidably installed in U-shaped plate (7), handle (9) is fixedly installed on collecting box (8), clamping block (10) is fixedly installed on U-shaped plate (7), one end of collecting box (8) is provided with clamping groove, and clamping block (10) is clamped with clamping groove; Coin throwing mechanism, the coin throwing mechanism is installed on experimental cylinder (19), and is used for throwing coin.

2. A mathematical probability simulation kit as in claim 1, wherein: The coin throwing mechanism includes top plate (11), the top plate (11) is fixedly installed on experimental cylinder (19), the top plate (11) is fixedly installed with coin throwing box (12), the storage groove (13) is formed in coin throwing box (12), one end of storage groove (13) is provided with slope, the top of storage groove (13) is provided with coin inlet, one end of coin throwing box (12) is fixedly installed with electric push rod (14), the output end of electric push rod (14) is fixedly installed with push block (15), and the protrusion is arranged on push block (15).

3. A mathematical probability simulation kit as in claim 2, wherein: The collecting box (8) is paved with rubber pad (16).

4. A mathematical probability simulation kit as in claim 3, wherein: One end of the U-shaped plate (7) is provided as inclined surface structure (17).

5. A mathematical probability simulation kit as in claim 4, wherein: The bottom end of the top plate (11) is fixedly installed with rib plate (18), and the rib plate (18) is fixedly connected with the experimental cylinder (19).

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