CN206097600U - Bar chart teaching aid for probability statistics - Google Patents
Bar chart teaching aid for probability statistics Download PDFInfo
- Publication number
- CN206097600U CN206097600U CN201620845934.XU CN201620845934U CN206097600U CN 206097600 U CN206097600 U CN 206097600U CN 201620845934 U CN201620845934 U CN 201620845934U CN 206097600 U CN206097600 U CN 206097600U
- Authority
- CN
- China
- Prior art keywords
- sides
- sliding groove
- fixed plate
- holding tank
- vertical distribution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Electrically Operated Instructional Devices (AREA)
Abstract
The utility model relates to a bar chart teaching aid for probability statistics, including the teaching board, be provided with vertical distribution's scale mark on teaching board front surface one side, still including a calorie strip, shelter from the device, the holding tank that the embedding has a plurality of vertical distribution is transversely gone up to teaching board front surface, the holding tank front end extends vertical distribution's sliding tray to both sides, vertical distribution's draw -in groove, a card strip front surface facing chromatic colour card, a card strip both sides plug -in card inslot are extended to both sides in the holding tank rear end, sheltering from the device and including fixed plate, flexible folding cover, tractive piece, the fixed plate is fixed on the sliding tray top, flexible folding cover top fixed connection on the fixed plate, bottom fixed connection on the tractive piece, tractive piece both sides are fixed with the iron slider respectively, have laid a magnetosphere in the sliding tray, the tractive piece adsorption through both sides iron slider and magnetosphere arrange in the sliding tray. The utility model discloses simple structure, convenient operation demonstrates effectually.
Description
Technical field
The utility model is related to Probability Teaching apparatus technical field, is specifically related to a kind of probability statistics and is taught with bar chart
Tool.
Background technology
Probability is to compare abstract concept, in possibility statistics course, if explanation can be coordinated by the demonstration of probability teaching aid,
Student can be made to be easier to understand and grasp.And it is current, because of the probability teaching aid for not being adapted to teaching, student can only explain by teacher
Go to understand probability theory, so that student is not high to the understanding of probability and Grasping level, teacher is in explanation for this mode given lessons
During it is also very painstaking.Therefore, be badly in need of a kind of teaching carries out cooperation teaching with probability teaching aid.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of simple structure, easy to operate, good demonstration effect
Probability statistics bar chart teaching aid.
To solve above-mentioned technical problem, the utility model provides technical scheme below：A kind of probability statistics are taught with bar chart
Tool, including board of education, are provided with the graduation mark of vertical distribution on the board of education front surface side, also include card article, block
Device, the board of education front surface is transversely embedded with the holding tank that several are vertically distributed, and the receiving front of the slot is to both sides
Extend the sliding groove of vertical distribution, the holding tank rear end extends the card of corresponding with card article, vertical distribution to both sides
Groove, the draw-in groove is connected by holding tank with sliding groove, and colored card, the card article both sides are posted on the card article front surface
In insertion draw-in groove；The radical occlusion device includes the fixed plate telescopic folding cover corresponding with well width is accommodated, drawing block, described
Fixed plate is fixed on sliding groove top, and the telescopic folding cover is placed in holding tank and telescopic folding cover top is fixedly connected on
In fixed board, bottom be fixedly connected on drawing block, the drawing block both sides are respectively fixed with paving in irony slide block, the sliding groove
A magnetosphere is provided with, the drawing block is placed in sliding groove by both sides irony slide block and magnetospheric suction-operated.
On the basis of such scheme, the fixed plate both sides offer circular hole, sliding groove both sides on the teaching plate top surface
Installing hole is offered, realizes for fixed plate being fixed on board of education sliding groove top using bolt and circular hole, the cooperation of installing hole.
The utility model has an advantageous effect in that compared with prior art：The teaching aid that the utility model is provided, in draw-in groove
Card article is inserted into, through the holding tank of board of education the colored card that is attached on card article leading flank is observed that, fixed plate is consolidated
Sliding groove top is scheduled on, drawing block is slidably connected in sliding groove, by sliding up and down drawing block telescopic folding cover can be changed
Collapsing length, and then can realize blocking colored card differing heights, highly represented with the colored card not being blocked
Probability statistics result；At the same time it can also pass through the color for changing colored card to distinguish different statistical parameters；Simple structure,
It is easy to operate, good demonstration effect.
Description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model teaching plate structure schematic diagram；
Fig. 3 is enlarged drawing at A in Fig. 2；
Fig. 4 is the utility model card article structural representation；
Fig. 5 is the utility model radical occlusion device front angle schematic diagram；
Fig. 6 is the utility model radical occlusion device flank angle schematic diagram.
It is numbered in figure：1- boards of education, 2- graduation marks, 3- holding tanks, 4- draw-in grooves, 5- sliding grooves, 6- card articles, 7- color charts
Piece, 8- fixed plates, 9- telescopic folding covers, 10- drawing blocks, 11- irony slide blocks, 12- magnetospheres, 13- installing holes, 14- bolts.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
Understand referring to figs. 1 to Fig. 6, a kind of probability statistics bar chart teaching aid, including board of education 1, table before the board of education 1
The graduation mark 2 of vertical distribution is provided with the side of face, card article 6, radical occlusion device is also included, the front surface of the board of education 1 is horizontal
On be embedded with the holding tank 3 of several vertical distributions, the front end of the holding tank 3 extends the sliding groove 5 of vertical distribution to both sides,
The rear end of the holding tank 3 extends the draw-in groove 4 of corresponding with card article 6, vertical distribution to both sides, and the draw-in groove 4 is by accommodating
Groove 3 is connected with sliding groove 5；Colored card 7 is posted on the front surface of the card article 6, in the both sides of the card article 6 insertion draw-in groove 4.
The radical occlusion device includes the telescopic folding cover 9 corresponding with the width of holding tank 3 of fixed plate 8, drawing block 10, institute
State fixed plate 8 and be fixed on the top of sliding groove 5, the both sides of the fixed plate 8 offer circular hole, sliding groove 5 on the top surface of the board of education 1
Both sides offer installing hole 13, realize for fixed plate 8 being fixed on board of education 1 using bolt 14 and circular hole, the cooperation of installing hole 13
The top of sliding groove 5.
The telescopic folding cover 9 is placed in holding tank 3 and the top of telescopic folding cover 9 is fixedly connected in fixed plate 8, bottom
It is fixedly connected on drawing block 10, drawing block 10 both sides are respectively fixed with irony slide block 11, the sliding groove 5 and are equipped with
One magnetosphere 12, the drawing block 10 is placed in sliding groove 5 by both sides ironys slide block 11 with the suction-operated of magnetosphere 12, logical
Cross suction-operated to realize using the fixation of length to telescopic folding cover 9, while being also convenient for mobile drawing block 10.
The teaching aid that the utility model is provided, in draw-in groove 4 card article 6 is inserted into, and can be observed through the holding tank 3 of board of education 1
To the colored card 7 being attached on the leading flank of card article 6, fixed plate 8 is fixed on into the top of sliding groove 5, drawing block 10 is slidably connected at
In sliding groove 5, by sliding up and down drawing block 10 collapsing length of telescopic folding cover 9 can be changed, and then can be realized to coloured silk
Blocking for the differing heights of colour atla piece 7, with the colored card not being blocked probability statistics result is highly represented；At the same time it can also logical
The color for changing colored card is crossed to distinguish different statistical parameters；Simple structure, easy to operate, good demonstration effect.
Claims (2)
1. a kind of probability statistics bar chart teaching aid, including board of education, is provided with vertical point on the board of education front surface side
The graduation mark of cloth, it is characterised in that：Card article, radical occlusion device are also included, the board of education front surface is transversely embedded with some
The holding tank of individual vertical distribution, the receiving front of the slot extends the sliding groove of vertical distribution, the holding tank rear end to both sides
Extend the draw-in groove of corresponding with card article, vertical distribution to both sides, the draw-in groove is connected by holding tank with sliding groove, institute
State and colored card is posted on card article front surface, in the card article both sides insertion draw-in groove；The radical occlusion device includes fixed plate and holds
The corresponding telescopic folding cover of well width of receiving, drawing block, the fixed plate is fixed on sliding groove top, and the telescopic folding cover is put
In holding tank and telescopic folding cover top be fixedly connected in fixed plate, bottom be fixedly connected on drawing block on, the drawing
Block both sides are respectively fixed with irony slide block, and a magnetosphere is equipped with the sliding groove, and the drawing block is slided by both sides irony
Block is placed in sliding groove with magnetospheric suction-operated.
2. probability statistics according to claim 1 bar chart teaching aid, it is characterised in that：The fixed plate both sides offer
Circular hole, sliding groove both sides offer installing hole on the teaching plate top surface, and being realized using bolt and circular hole, the cooperation of installing hole will
Fixed plate is fixed on board of education sliding groove top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620845934.XU CN206097600U (en) | 2016-08-05 | 2016-08-05 | Bar chart teaching aid for probability statistics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620845934.XU CN206097600U (en) | 2016-08-05 | 2016-08-05 | Bar chart teaching aid for probability statistics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206097600U true CN206097600U (en) | 2017-04-12 |
Family
ID=58466681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620845934.XU Expired - Fee Related CN206097600U (en) | 2016-08-05 | 2016-08-05 | Bar chart teaching aid for probability statistics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206097600U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993528A (en) * | 2017-12-31 | 2018-05-04 | 陕西理工大学 | A kind of probabilistic mathematical bar shaped statistical chart apparatus for demonstrating |
| CN108320626A (en) * | 2018-04-10 | 2018-07-24 | 马铭 | A kind of portable mathematical probabilities demonstration device |
| CN108615453A (en) * | 2018-07-18 | 2018-10-02 | 刘凝 | One kind is for financial management case discussion portable entity statistical chart |
-
2016
- 2016-08-05 CN CN201620845934.XU patent/CN206097600U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993528A (en) * | 2017-12-31 | 2018-05-04 | 陕西理工大学 | A kind of probabilistic mathematical bar shaped statistical chart apparatus for demonstrating |
| CN108320626A (en) * | 2018-04-10 | 2018-07-24 | 马铭 | A kind of portable mathematical probabilities demonstration device |
| CN108615453A (en) * | 2018-07-18 | 2018-10-02 | 刘凝 | One kind is for financial management case discussion portable entity statistical chart |
| CN108615453B (en) * | 2018-07-18 | 2024-04-12 | 刘凝 | Portable entity statistical chart for financial management case study |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170412 Termination date: 20180805 |