CN209028912U - A kind of teaching inheritance rule simulator - Google Patents
A kind of teaching inheritance rule simulator Download PDFInfo
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- CN209028912U CN209028912U CN201821301391.0U CN201821301391U CN209028912U CN 209028912 U CN209028912 U CN 209028912U CN 201821301391 U CN201821301391 U CN 201821301391U CN 209028912 U CN209028912 U CN 209028912U
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- ball
- rotating ball
- support column
- rotating
- simulation
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Abstract
A kind of teaching inheritance rule simulator, including firm banking, catch tray, rotating ball, rotating ball sheath, simulate ball and rotational handle, rotating ball is articulated between left support column and right support column, rotating ball sheath is fixed between left support column and right support column, and simulation ball is placed in the inside of rotating ball, and the inner wall of rotating ball is rough surface, rotational handle is supported on right support column and connect with rotating ball, and catch tray is placed on the firm banking below rotating ball；The minimum point of rotating ball is provided with spherical cavity, is provided with ball-dropping hole at the minimum point of rotating ball sheath, and simulation ball has 4, red analog ball and each 2, green analog ball.The device reduces the dosage of simulation ball while ensure that simulation genetic development effect, is conducive to the reduction of cost, it is ensured that randomness specified in statistics；Structure is simple and convenient to operate, and alleviates the workload that student simulates genetic development.
Description
Technical field
The utility model relates to Biology Teaching apparatus fields, and in particular to a kind of teaching inheritance rule simulator.
Background technique
Genetic development belongs to statistical law.For student when learning genetic development, Mathematics Curriculum also proceeds to mathematics system
There is no the related notions of probability by the knowledge learning of meter namely student.Therefore, student's indigestion utilizes the relevant knowledge of probability
Directly understand genetic development.
To solve the above-mentioned problems, application No. is 201720130402 utility models to disclose a kind of something lost for teaching
Pass regular simulator, which includes thin plate, and thin plate is fixedly connected with that there are two the bottle for having bottle cap, the shapes of two bottles
Identical, size is identical and cross section is circle, and the axis of two bottles is respectively positioned on vertical direction, and axis is parallel, bottleneck court
To identical, the bottle cap center of two bottles is equipped with hole, and 10 red spheres and 10 green balls are housed in each bottle
Body, sphere are made of identical material.
For above-mentioned simulator by 10 red spheres and 10 white spheres to simulate genetic development, how inevitable number of spheres is
The weight that will cause simulator increases, and take out put back to after ball need it is mixed to reach the ball of various colors by the simulator is shaken
Even effect, the process of concussion is necessarily required to a large amount of physical strength of consumption student, and the effect mixed is also difficult to be guaranteed, and wants
It obtains correct genetic development and is necessarily required to a large amount of sample statistics, and statistical work can undoubtedly further increase the concussion of student
Number increases the learning burden of student.
Utility model content
The utility model to solve the above-mentioned problems, devises a kind of teaching inheritance rule simulator, which exists
The dosage for reducing simulation ball while ensure that simulation genetic development effect, is conducive to the reduction of cost；The present apparatus can guarantee
So that each simulation ball is dropped out the probability that the device is observed consistent for simulation ball uniformly mixed, ensure that specified in statistics
Randomness；Present apparatus structure is simple and convenient to operate, and student is helped, as ground understanding genetics law, to have very big from tool is abstracted into
Promotional value.
In order to achieve the above technical purposes, reach above-mentioned technical effect, the utility model is real by the following technical programs
Existing:
A kind of teaching inheritance rule simulator, which is characterized in that including firm banking, catch tray, rotating ball, rotation
Ball sheath, simulates ball and rotational handle, the left and right side of the firm banking are respectively fixed with left support column and right support
Column, rotating ball are articulated between left support column and right support column, and rotating ball sheath is fixed between left support column and right support column
And it is located at the underface of rotating ball, simulation ball is placed in the inside of rotating ball, and the inner wall of rotating ball is rough surface, rotational handle
It is supported on right support column and is connect with rotating ball, catch tray is placed on the firm banking below rotating ball；
The left end of the rotating ball and right end are respectively fixed with inserting column, and inserting groove is provided on inserting column, and left side is inserted
Pitman is plugged on access slot, the other end of pitman is inserted into the rotation slot of left support column and column articulated with left support, rotation
Handle is plugged on the inserting column of rotating ball right end after the rotated through-hole of right support column, and the minimum point of rotating ball is provided with out ball
Hole, the neutral surface of rotating ball are equipped with partition, and partition will be divided into two independent rotation chambers and by spherical cavity inside rotating ball
It is divided into two independent semicircle spherical cavities, rotating ball sheath is hemispherical and formation semi-surrounding to rotating ball, rotating ball
The both ends of sheath are individually fixed on left support column and right support column by pitman, are provided with and are fallen at the minimum point of rotating ball sheath
Ball, ball-dropping hole are in the same size with spherical cavity；
The simulation ball has 4, and the size of 4 simulation balls is identical, material is identical, red analog ball in 4 simulation balls
Each 2 with green analog ball, " D " label of capitalization is indicated on red analog ball, " d " mark of small letter is indicated on green analog ball
Remember, is placed with a red analog ball and a green analog ball in the independent rotation chamber of each of rotating ball.
The beneficial effects of the utility model are: the device reduces simulation while ensure that simulation genetic development effect
The dosage of ball is conducive to the reduction of cost；The present apparatus can guarantee that simulation the uniformly mixed of ball makes each simulation ball drop out the device
The probability being observed is consistent, ensure that randomness specified in statistics；Present apparatus structure is simple and convenient to operate, and helps to learn
Life, as ground understanding genetics law, has great promotional value from tool is abstracted into.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of overall structure diagram of teaching inheritance rule simulator；
Fig. 2 is the structural schematic diagram of the rotating ball.
In attached drawing, parts list represented by the reference numerals are as follows:
1- firm banking, 2- catch tray, 3- rotating ball, 4- simulate ball, 5- rotating ball sheath, 6- rotational handle, 7- connection
Stick, 11- left support column, 12- right support column, 31- spherical cavity, 32- inserting column, 33- partition, 51- ball-dropping hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
Refering to fig. 1 shown in -2, a kind of teaching inheritance rule simulator, including firm banking 1, catch tray 2, rotating ball
3, rotating ball sheath 5, simulates ball 4 and rotational handle 6, the left and right side of the firm banking 1 are respectively fixed with left support
Column 11 and right support column 12, rotating ball 3 are articulated between left support column 11 and right support column 12, and rotating ball sheath 5 is fixed on a left side
Underface between support column 11 and right support column 12 and positioned at rotating ball 3, simulation ball 4 are placed in the inside of rotating ball 3, rotation
The inner wall of ball 3 is rough surface, and rotational handle 6 is supported on right support column 12 and connect with rotating ball 3, and catch tray 2 is placed in
On the firm banking 1 of 3 lower section of rotating ball；
The left end of the rotating ball 3 and right end are respectively fixed with inserting column 32, and inserting groove, left side are provided on inserting column 32
Inserting groove on be plugged with pitman 7, in the rotation slot of the other end insertion left support column 11 of pitman 7 and with left support column 11
Hingedly, rotational handle 6 is plugged on the inserting column 32 of 3 right end of rotating ball after the rotated through-hole of right support column 12, rotating ball 3
Minimum point be provided with spherical cavity 31, the neutral surface of rotating ball 3 is equipped with partition 33, and partition 33 will be divided into two inside rotating ball
Spherical cavity 31 is simultaneously divided into two independent semicircle spherical cavities by independent rotation chamber, and rotating ball sheath 5 is hemispherical and right
The both ends of the formation semi-surrounding of rotating ball 3, rotating ball sheath 5 are individually fixed in left support column 11 and right support by pitman 7
On column 12, ball-dropping hole 51 is provided at the minimum point of rotating ball sheath 5, ball-dropping hole 51 and spherical cavity 31 are in the same size；
The simulation ball 4 has 4, and the size of 4 simulation balls 4 is identical, material is identical, red analog in 4 simulation balls 4
Ball and each 2, green analog ball indicate " D " label of capitalization on red analog ball, " d " mark of small letter are indicated on green analog ball
Remember, is placed with a red analog ball and a green analog ball in the independent rotation chamber of each of rotating ball 3.
One of the present apparatus specific application are as follows: simulation ball 4 has 4, red analog ball and each 2, green analog ball, red
Color simulates " D " label that ball is equipped with capitalization, and " d " that green simulation ball is equipped with small letter is marked, red analog ball and green
Simulating ball and constituting a pair of of parent combination is Dd and Dd, and shaking rotational handle 6 rotates rotating ball 3 one week, spherical cavity 31 with fall
When ball 51 is aligned, the independent rotation chamber of two of rotating ball 3 respectively falls next simulation ball 4, and simulation ball is fallen into catch tray 2, and two
It is filial generation to simulation ball 4, records the label on the simulation ball of filial generation；Simulation ball 4 is returned to rotating ball 3 after the completion of record
In, when spherical cavity 31 turns to highest point, when simulation ball 4 is returned to two independent rotation chambers of rotating ball 3, when putting back to
It is put into a red analog ball and green analog ball in each independent rotation chamber, repeats the above steps and guarantees number of revolutions
For 4n (n=1,2,3 ...), the value of n is bigger, the closer genetic development with nature of the result of statistics, the knot of simulation
Fruit is more accurate；Rotating ball sheath can guarantee every rotation one week, and rotating ball 3 only falls simulation ball 4 at most point point, can prevent mould
Quasi- ball is dropped out from rotating ball 3 when the spherical cavity 31 of rotating ball 3 does not turn to minimum point；The inner wall of rotating ball 3 is rough surface,
It can guarantee that the simulation ball 4 in rotation of rotating ball 3 follows the rotation of rotating ball 3 and moves, mix simulation ball 4 more uniform, protect
The randomness for demonstrate,proving result keeps the result of statistics more accurate.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (1)
1. a kind of teaching inheritance rule simulator, which is characterized in that including firm banking, catch tray, rotating ball, rotating ball
Sheath, simulates ball and rotational handle, the left and right side of the firm banking are respectively fixed with left support column and right support column,
Rotating ball is articulated between left support column and right support column, and rotating ball sheath is fixed between left support column and right support column and position
In the underface of rotating ball, the inside that ball is placed in rotating ball is simulated, the inner wall of rotating ball is rough surface, rotational handle support
It is connect on right support column and with rotating ball, catch tray is placed on the firm banking below rotating ball；
The left end of the rotating ball and right end are respectively fixed with inserting column, and inserting groove, the inserting groove in left side are provided on inserting column
On be plugged with pitman, in the rotation slot of the other end insertion left support column of pitman and, rotational handle column articulated with left support
It being plugged in after the rotated through-hole of right support column on the inserting column of rotating ball right end, the minimum point of rotating ball is provided with spherical cavity,
The neutral surface of rotating ball is equipped with partition, and partition will be divided into two independent rotation chambers and separate spherical cavity inside rotating ball
For two independent semicircle spherical cavities, partition rotating ball sheath is hemispherical and formation semi-surrounding to rotating ball, rotating ball
The both ends of sheath are individually fixed on left support column and right support column by pitman, are provided with and are fallen at the minimum point of rotating ball sheath
Ball, ball-dropping hole are in the same size with spherical cavity；
The simulation ball has 4, and the size of 4 simulation balls is identical, material is identical, red analog ball and green in 4 simulation balls
Color simulates each 2, ball, and " D " label of capitalization is indicated on red analog ball, " d " label of small letter is indicated on green analog ball, is turned
A red analog ball and a green analog ball are placed in the independent rotation chamber of each of dynamic ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821301391.0U CN209028912U (en) | 2018-08-14 | 2018-08-14 | A kind of teaching inheritance rule simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821301391.0U CN209028912U (en) | 2018-08-14 | 2018-08-14 | A kind of teaching inheritance rule simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209028912U true CN209028912U (en) | 2019-06-25 |
Family
ID=66872822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821301391.0U Expired - Fee Related CN209028912U (en) | 2018-08-14 | 2018-08-14 | A kind of teaching inheritance rule simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209028912U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110610638A (en) * | 2019-10-12 | 2019-12-24 | 南阳理工学院 | Demonstration device for analyzing randomness sources through mathematical set pair and control method |
| CN111145616A (en) * | 2020-01-15 | 2020-05-12 | 郑州航空工业管理学院 | Mathematics teaching is with portable probability presentation device |
| CN114973972A (en) * | 2022-06-29 | 2022-08-30 | 辽宁机电职业技术学院 | Vehicle information display device for automobile marketing |
-
2018
- 2018-08-14 CN CN201821301391.0U patent/CN209028912U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110610638A (en) * | 2019-10-12 | 2019-12-24 | 南阳理工学院 | Demonstration device for analyzing randomness sources through mathematical set pair and control method |
| CN111145616A (en) * | 2020-01-15 | 2020-05-12 | 郑州航空工业管理学院 | Mathematics teaching is with portable probability presentation device |
| CN114973972A (en) * | 2022-06-29 | 2022-08-30 | 辽宁机电职业技术学院 | Vehicle information display device for automobile marketing |
| CN114973972B (en) * | 2022-06-29 | 2023-07-14 | 辽宁机电职业技术学院 | Vehicle information display device for automobile marketing |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190625 Termination date: 20200814 |