CN211857879U - Mathematics teaching probability presentation device - Google Patents
Mathematics teaching probability presentation device Download PDFInfo
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- CN211857879U CN211857879U CN201621199959.3U CN201621199959U CN211857879U CN 211857879 U CN211857879 U CN 211857879U CN 201621199959 U CN201621199959 U CN 201621199959U CN 211857879 U CN211857879 U CN 211857879U
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- table tennis
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- placing box
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Abstract
The utility model discloses a mathematics teaching probability demonstration device, which comprises a base, a table tennis ball placing box, a first storage box, a second storage box, a first pipeline, a second pipeline, a fan and a damage prevention net; the table tennis ball placing box, the first storage box and the second storage box are all fixed on the base, and the first storage box and the second storage box are respectively positioned on two sides of the table tennis ball placing box; the top of the first storage box and the top of the second storage box are respectively communicated with the upper parts of the two sides of the table tennis placing box through a first pipeline and a second pipeline; a first ball taking port and a second ball taking port are respectively formed in the side face of the first storage box and the side face of the second storage box; the fan is arranged at the bottom of the inner cavity of the table tennis placing box; the loss prevention net is arranged in the inner cavity of the table tennis placing box and is close to the upper end face of the fan. The utility model discloses can audio-visually carry out the teaching demonstration of probability, the demonstration is effectual, uses convenient to carry, and the student of being convenient for accepts, the effectual quality that improves mathematical education and teaching.
Description
Technical Field
The utility model relates to a mathematics teaching probability presentation device.
Background
Probability, also called probability, chance, probability or likelihood, is the basic concept of probability theory. Probability is a measure of the likelihood of a random event occurring and generally represents the magnitude of the likelihood of an event occurring in a real number between 0 and 1. Generally, the closer to 1, the more likely an event is to occur. In the teaching process of probability theory, in order to enable students to know probability more visually and increase the interest of learning in class of students, teachers often take probability demonstration teaching aids to enter the class for teaching.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can audio-visually carry out mathematical education probability presentation device of teaching show of probability.
Realize the utility model discloses the technical scheme of purpose is: a mathematical teaching probability demonstration device comprises a base, a table tennis ball placing box, a first storage box, a second storage box, a first pipeline, a second pipeline, a fan and a loss prevention net; the table tennis ball placing box, the first storage box and the second storage box are all fixed on the base, and the first storage box and the second storage box are respectively positioned on two sides of the table tennis ball placing box; the top of the table tennis placing box is provided with a taking and placing opening; the top of the first storage box and the top of the second storage box are respectively communicated with the upper parts of the two sides of the table tennis placing box through a first pipeline and a second pipeline; a first ball taking port and a second ball taking port are respectively formed in the side face of the first storage box and the side face of the second storage box; the diameters of the first pipeline and the second pipeline are both larger than the diameter of a table tennis ball; the fan is arranged at the bottom of the inner cavity of the table tennis placing box, and the fan enables air to flow upwards after being started; the loss prevention net is arranged in an inner cavity of the table tennis placing box and is close to the upper end face of the fan.
The inner side surface of the table tennis placing box is arc-shaped.
The table tennis placing box is provided with a ball taking and placing opening, a first ball taking opening of the first storage box and a second ball taking opening of the second storage box, and covers are arranged on the ball taking openings.
The first pipeline and the second pipeline are both glass pipelines.
The mathematical teaching probability demonstration device also comprises a bottom plate and universal wheels; the base is movably connected with the upper end face of the bottom plate; the universal wheel is fixed on the lower end face of the bottom plate.
Four universal wheels are arranged and are respectively fixed on four corners of the lower end face of the bottom plate.
The universal wheel is a self-locking universal wheel.
By adopting the technical scheme, the utility model discloses following beneficial effect has: (1) the utility model discloses can audio-visually carry out the teaching demonstration of probability, the demonstration is effectual, uses convenient to carry, and the student of being convenient for accepts, the effectual quality that improves mathematical education and teaching.
(2) The utility model discloses an arc is personally submitted to the inboard of box is placed to table tennis, and the table tennis of being convenient for gets into first pipeline or second pipeline smoothly for the speed of probability teaching demonstration.
(3) The utility model discloses a table tennis places box get put mouthful, the first ball mouth of getting of first receiver and the second of second receiver get and all be equipped with the lid on the ball mouth, can avoid blowing out in the second of getting of putting mouthful, the first ball mouth of getting of first receiver and second receiver and reducing the efficiency of giving lessons because of the table tennis is placed the box from the table tennis.
(4) The utility model discloses a first pipeline and second pipeline are the glass pipeline, and the student of being convenient for observes.
(5) The base of the utility model is movably connected with the upper end surface of the bottom plate, so that the installation is convenient; the universal wheel is fixed on the lower end face of the bottom plate, and therefore a teacher can move on the teacher desk conveniently.
(6) The utility model discloses an universal wheel is respectively fixed on four angles of the lower terminal surface of bottom plate, makes to remove more stably.
(7) The utility model discloses an universal wheel is for locking-type universal wheel, convenient latched position when the demonstration.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural diagram of the present invention.
The reference numbers in the drawings are:
the table tennis ball picking and placing device comprises a base 1, a table tennis ball placing box 2, a picking and placing opening 2-1, a first storage box 3, a first ball picking opening 3-1, a second storage box 4, a second ball picking opening 4-1, a first pipeline 5, a second pipeline 6, a fan 7, a loss prevention net 8, a bottom plate 9 and universal wheels 10.
Detailed Description
(example 1)
See fig. 1, the mathematical education probability presentation device of this embodiment includes that base 1, table tennis place box 2, first receiver 3, second receiver 4, first pipeline 5, second pipeline 6, fan 7, loss prevention net 8, bottom plate 9 and universal wheel 10.
The fan 7 is arranged at the bottom of the inner cavity of the table tennis placing box 2, and the fan 7 enables air to flow upwards after being started. The damage-proof net 8 is arranged in the inner cavity of the table tennis placing box 2 and is close to the upper end face of the fan 7.
The base 1 is movably connected with the upper end surface of the bottom plate 9. The universal wheels 10 are fixed on the lower end surface of the bottom plate 9. Four universal wheels 10 are provided, and the four universal wheels 10 are respectively fixed on four corners of the lower end face of the bottom plate 9. The universal wheel 10 is a self-locking universal wheel.
The demonstration method of the mathematical education probability demonstration device of the embodiment comprises the following steps:
the probability demonstration device for mathematical education in the embodiment is taken to a teacher's desk, the cover of the taking and placing port 2-1 of the ping-pong ball placing box 2 is opened, the ping-pong balls are placed in the ping-pong ball placing box 2, the cover of the taking and placing port 2-1 is covered, the power supply of the fan 7 is switched on, the power switch of the fan 7 is turned on, under the action of the fan 7, the ping-pong balls move in the ping-pong ball placing box 2, and then enter the first pipeline 5 or the second pipeline 6, and finally enter the first storage box 3 or the second storage box 4, after waiting for a period of time, the power switch of the fan 7 is turned off, the taking and placing port 2-1 of the ping-pong ball placing box 2, the first taking port 3-1 of the first storage box 3 and the cover on the second taking port 4-1 of the second storage box 4 are opened, the ping-pong balls are taken out for statistics, then a plurality of experiments are carried out, and the, the demonstration effect is good, and the quality of mathematical education and teaching is effectively improved.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides a mathematics teaching probability presentation device which characterized in that: comprises a base (1), a table tennis placing box (2), a first storage box (3), a second storage box (4), a first pipeline (5), a second pipeline (6), a fan (7) and a loss prevention net (8); the table tennis ball placing box (2), the first storage box (3) and the second storage box (4) are all fixed on the base (1), and the first storage box (3) and the second storage box (4) are respectively positioned on two sides of the table tennis ball placing box (2); the top of the table tennis placing box (2) is provided with a taking and placing opening (2-1); the top of the first storage box (3) and the top of the second storage box (4) are respectively communicated with the upper parts of two sides of the table tennis placing box (2) through a first pipeline (5) and a second pipeline (6); a first ball taking port (3-1) and a second ball taking port (4-1) are respectively formed in the side surface of the first storage box (3) and the side surface of the second storage box (4); the diameters of the first pipeline (5) and the second pipeline (6) are both larger than the diameter of the table tennis; the fan (7) is arranged at the bottom of the inner cavity of the table tennis placing box (2), and air flows upwards after the fan (7) is started; the loss prevention net (8) is arranged in the inner cavity of the table tennis placing box (2) and is close to the upper end face of the fan (7).
2. The mathematical education probability presentation apparatus as claimed in claim 1, wherein: the inner side surface of the table tennis placing box (2) is arc-shaped.
3. The mathematical education probability presentation apparatus as claimed in claim 1, wherein: the table tennis placing box is characterized in that a picking and placing opening (2-1) of the table tennis placing box (2), a first picking opening (3-1) of the first storage box (3) and a second picking opening (4-1) of the second storage box (4) are respectively provided with a cover.
4. The mathematical education probability presentation apparatus as claimed in claim 1, wherein: the first pipeline (5) and the second pipeline (6) are both glass pipelines.
5. The mathematical education probability presentation apparatus as claimed in claim 1, wherein: the device also comprises a bottom plate (9) and universal wheels (10); the base (1) is movably connected with the upper end surface of the bottom plate (9); the universal wheels (10) are fixed on the lower end face of the bottom plate (9).
6. The mathematical education probability presentation apparatus as claimed in claim 5, wherein: four universal wheels (10) are arranged, and the four universal wheels (10) are respectively fixed on four corners of the lower end face of the bottom plate (9).
7. The mathematical education probability presentation apparatus as claimed in claim 5, wherein: the universal wheel (10) is a self-locking universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621199959.3U CN211857879U (en) | 2016-11-07 | 2016-11-07 | Mathematics teaching probability presentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621199959.3U CN211857879U (en) | 2016-11-07 | 2016-11-07 | Mathematics teaching probability presentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211857879U true CN211857879U (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621199959.3U Active CN211857879U (en) | 2016-11-07 | 2016-11-07 | Mathematics teaching probability presentation device |
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| Country | Link |
|---|---|
| CN (1) | CN211857879U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113129707A (en) * | 2021-04-30 | 2021-07-16 | 电子科技大学成都学院 | Mathematical model for random probability statistics |
-
2016
- 2016-11-07 CN CN201621199959.3U patent/CN211857879U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113129707A (en) * | 2021-04-30 | 2021-07-16 | 电子科技大学成都学院 | Mathematical model for random probability statistics |
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