CN205167994U - Teaching of economics statistics is with strip picture curve plotter - Google Patents
Teaching of economics statistics is with strip picture curve plotter Download PDFInfo
- Publication number
- CN205167994U CN205167994U CN201520993911.9U CN201520993911U CN205167994U CN 205167994 U CN205167994 U CN 205167994U CN 201520993911 U CN201520993911 U CN 201520993911U CN 205167994 U CN205167994 U CN 205167994U
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- CN
- China
- Prior art keywords
- crossfoot
- transverse slat
- slide block
- slider
- linear foot
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- 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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Abstract
The utility model relates to a teaching of economics statistics is with strip picture curve plotter, draw board, drawing rule, middle chi, slider including L type coordinate axle, L type coordinate axle is drawn the board and is included diaphragm and vertical plate, and the drawing rule includes a transverse ruler and two linear foots, and the transverse ruler back is provided with the sucking disc, all imbeds the spout on the linear foot of both sides, slides and arrange in the spout in the transverse ruler both ends, transverse ruler is equipped with flexible groove last running through, and middle chi is scalable arranges flexible inslot in, is provided with the scale mark on the middle chi, the side embedding has the type of falling T sliding tray on the diaphragm, and the type of falling T sliding tray includes shifting chute and slider groove, and slider sliding fit in slider inslot, both sides linear foot pass shifting chute fixed connection in slider respectively, and diaphragm openly embedding has the fastening groove, and the fastening groove is linked together with the slider groove, the cooperation of fastening inslot is provided with the tight screw rod in top, the tight screw rod in top passes fastening groove threaded connection top tightly in the slider lateral wall. The utility model discloses the parameter picture of being convenient for adjust interval between the picture group, being convenient for draw fast.
Description
Technical field
The utility model relates to bar graph plotting unit, specifically relates to economics statistics teaching bar graph plotter.
Background technology
When the Teaching of Statistics, teacher need on blackboard with drawing with coloured chalk bar graph for explaining the corresponding relation in each picture group between each parameter, as shown in Figure 1, bar graph includes the picture group 101 being divided into some groups, includes some parameter Figure 100 in described each picture group 101.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of economics statistics teaching bar graph plotter be convenient to regulate spacing between picture group, be convenient to Fast Drawing Parameter Map.
For solving the problems of the technologies described above, the utility model provides following technical scheme: economics statistics teaching bar graph plotter, comprise L-type reference axis and draw plate, drawing rule, described L-type reference axis is drawn plate and is comprised transverse slat and stringer board connected vertically with transverse slat, described drawing rule comprises a crossfoot and two linear foots, a described crossfoot is vertically connected between the linear foot of both sides, the described crossfoot back side is provided with sucker, described sucker height equals the crossfoot back side and transverse slat back side spacing, described transverse slat and linear foot are provided with graduation mark, also include middle chi, slide block, described both sides linear foot medial surface is all embedded with the chute corresponding with crossfoot, slide respectively and be arranged in the chute of both sides in described crossfoot two ends, run through between described crossfoot upper and lower side and be provided with several telescopic chutes corresponding with middle chi, described telescopic chute is evenly distributed on crossfoot in a lateral direction, described middle chi is scalable to be placed in telescopic chute, and one end is placed between the linear foot of both sides, the other end is placed in crossfoot top, and described middle chi is provided with graduation mark, described transverse slat upper side is embedded with inverted T shape sliding tray, described inverted T shape sliding tray comprises shifting chute for linear foot translation and the slide block slot corresponding with slide block, described skid is matched with in slide block slot, described both sides linear foot is each passed through shifting chute and is fixedly connected on slide block, described transverse slat front is embedded with binding groove, described binding groove is connected with slide block slot, is equipped with fastening screw in described binding groove, and described fastening screw is threaded through binding groove and holds out against in slider side wall.
On such scheme basis preferably, described transverse slat is embedded with a chalk container cavity, described chalk holds snap-fit engagement a chamber lid.
On such scheme basis preferably, described container cavity edge of opening place is provided with locating slot, and described chamber lid is connected in locating slot.
On such scheme basis preferably, several locating holes are evenly embedded with in described locating slot, described chamber is covered on the side that contacts with locating slot and is provided with and some locating dowels corresponding with locating hole, and be provided with cushion in described locating hole, described locating dowel interference fit is in cushion.
On such scheme basis preferably, described chamber exterior surface is provided with handle.
The beneficial effect that the utility model compared with prior art has is: wherein, and crossfoot two ends slide up and down and are matched with both sides linear foot, and be convenient to by regulating crossfoot to regulate drafting bar graph height relative to the spacing of transverse slat, applicability is strong; Wherein, scalablely on crossfoot be provided with middle chi, be convenient to coordinate the upper-lower position of crossfoot for rendering parameter figure by middle chi, rapidly and efficiently; Drawing rule can realize moving horizontally in transverse slat with coordinating of slide block slot by slide block, is convenient to change spacing between each picture group, improves applicability.
Accompanying drawing explanation
Fig. 1 is bar graph composition structure chart;
Fig. 2 is the utility model structural representation;
Fig. 3 is the utility model inverted T shape sliding tray structural representation;
Fig. 4 is the utility model chalk container cavity and chamber lid matching relationship schematic diagram.
Number in the figure is: 100-Parameter Map, 101-picture group; 1-L type reference axis draws plate, 11-transverse slat, 111-inverted T shape sliding tray, 1111-shifting chute, 1112-slide block slot, 112-binding groove, 12-stringer board, 2-drawing rule, 21-crossfoot, 211-telescopic chute, 22-linear foot, 221-chute, 3-sucker, 4-graduation mark, chi in the middle of 5-, 6-slide block, 7-fastening screw, 8-chalk container cavity, 81-chamber is covered, 811-locating dowel, 82-locating slot, 821-locating hole, 83-cushion, 84-shakes hands.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
In description of the present utility model, it will be appreciated that, term " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is only the utility model for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
Known with reference to Fig. 2 and Fig. 3, economics statistics teaching bar graph plotter, comprise L-type reference axis and draw plate 1, drawing rule 2, described L-type reference axis is drawn plate 1 and is comprised transverse slat 11 and stringer board 12 connected vertically with transverse slat 11, described drawing rule 2 comprises crossfoot 21 and two linear foots 22, a described crossfoot 21 is vertically connected between both sides linear foot 22, described crossfoot 21 back side is provided with sucker 3, described sucker 3 highly equals crossfoot 21 back side and transverse slat 11 back side spacing, described transverse slat 11 and linear foot 22 are provided with graduation mark, also include middle chi 5, slide block 6, described both sides linear foot 22 medial surface is all embedded with the chute 221 corresponding with crossfoot 21, slide respectively and be arranged in the chute 221 of both sides in described crossfoot 21 two ends, run through between described crossfoot 21 upper and lower side and be provided with several telescopic chutes 211 corresponding with middle chi 5, described telescopic chute 211 is evenly distributed on crossfoot 21 in a lateral direction, described middle chi 5 is scalable to be placed in telescopic chute 211, and one end is placed between both sides linear foot 22, the other end is placed in crossfoot 21 top, and described middle chi 5 is provided with graduation mark 4, described transverse slat 11 upper side is embedded with inverted T shape sliding tray 111, described inverted T shape sliding tray 111 comprises shifting chute 1111 for linear foot 22 translation and the slide block slot 1112 corresponding with slide block 6, described slide block 6 is snug fit in slide block slot 1112, described both sides linear foot 22 is each passed through shifting chute 1111 and is fixedly connected on slide block 6, described transverse slat 11 front is embedded with binding groove 112, described binding groove 112 is connected with slide block slot 1112, be equipped with fastening screw 7 in described binding groove 112, described fastening screw 7 is threaded through binding groove 112 and holds out against in slide block 6 sidewall.
Wherein, crossfoot 21 two ends slide up and down and are matched with both sides linear foot 22, and be convenient to by regulating crossfoot 21 to regulate drafting bar graph height relative to the spacing of transverse slat 11, applicability is strong; Wherein, scalablely on crossfoot 21 be provided with middle chi 5, be convenient to coordinate the upper-lower position of crossfoot 21 for rendering parameter figure by middle chi 5, rapidly and efficiently; Drawing rule 2 can realize moving horizontally in transverse slat 11 with coordinating of slide block slot 1112 by slide block 6, is convenient to change spacing between each picture group 101, improves applicability.
With further reference to Fig. 2 and Fig. 4, described transverse slat 11 is embedded with a chalk container cavity 8, described chalk container cavity 8 snap-fit engagement has a chamber lid 81.Described chalk container cavity 8 edge of opening place is provided with locating slot 82, and described chamber lid 81 is connected in locating slot 82.Several locating holes 821 are evenly embedded with in described locating slot 82, the side that described chamber lid 81 contacts with locating slot 82 is provided with and some locating dowels 811 corresponding with locating hole 821, be provided with cushion 83 in described locating hole 821, described locating dowel 811 interference fit is in cushion 83.Described chamber is covered 81 outer surfaces and is provided with handle 84.Transverse slat 11 is provided with can the chalk container cavity 8 of snap-fit engagement and chamber lid 81 mutually, convenient for storing chalk, and the moment fast fetching that needs to draw goes out to use, and promptness is strong, and can portably use at any time.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. economics statistics teaching bar graph plotter, comprise L-type reference axis and draw plate, drawing rule, described L-type reference axis is drawn plate and is comprised transverse slat and stringer board connected vertically with transverse slat, described drawing rule comprises a crossfoot and two linear foots, a described crossfoot is vertically connected between the linear foot of both sides, the described crossfoot back side is provided with sucker, described sucker height equals the crossfoot back side and transverse slat back side spacing, described transverse slat and linear foot are provided with graduation mark, it is characterized in that: also include middle chi, slide block, described both sides linear foot medial surface is all embedded with the chute corresponding with crossfoot, slide respectively and be arranged in the chute of both sides in described crossfoot two ends, run through between described crossfoot upper and lower side and be provided with several telescopic chutes corresponding with middle chi, described telescopic chute is evenly distributed on crossfoot in a lateral direction, described middle chi is scalable to be placed in telescopic chute, and one end is placed between the linear foot of both sides, the other end is placed in crossfoot top, and described middle chi is provided with graduation mark, described transverse slat upper side is embedded with inverted T shape sliding tray, described inverted T shape sliding tray comprises shifting chute for linear foot translation and the slide block slot corresponding with slide block, described skid is matched with in slide block slot, described both sides linear foot is each passed through shifting chute and is fixedly connected on slide block, described transverse slat front is embedded with binding groove, described binding groove is connected with slide block slot, is equipped with fastening screw in described binding groove, and described fastening screw is threaded through binding groove and holds out against in slider side wall.
2. economics statistics teaching bar graph plotter according to claim 1, it is characterized in that: described transverse slat is embedded with a chalk container cavity, described chalk container cavity snap-fit engagement has a chamber lid.
3. economics statistics teaching bar graph plotter according to claim 2, it is characterized in that: described chalk container cavity edge of opening place is provided with locating slot, described chamber lid is connected in locating slot.
4. economics statistics teaching bar graph plotter according to claim 3, it is characterized in that: in described locating slot, be evenly embedded with several locating holes, described chamber is covered on the side that contacts with locating slot and is provided with and some locating dowels corresponding with locating hole, be provided with cushion in described locating hole, described locating dowel interference fit is in cushion.
5. economics statistics teaching bar graph plotter according to claim 4, is characterized in that: described chamber exterior surface is provided with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520993911.9U CN205167994U (en) | 2015-12-05 | 2015-12-05 | Teaching of economics statistics is with strip picture curve plotter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520993911.9U CN205167994U (en) | 2015-12-05 | 2015-12-05 | Teaching of economics statistics is with strip picture curve plotter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205167994U true CN205167994U (en) | 2016-04-20 |
Family
ID=55732020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520993911.9U Expired - Fee Related CN205167994U (en) | 2015-12-05 | 2015-12-05 | Teaching of economics statistics is with strip picture curve plotter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205167994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098067A (en) * | 2016-06-02 | 2016-11-09 | 安徽声讯信息技术有限公司 | A kind of it is easy to the portable voice shorthand device that commercial affairs are gone on business |
-
2015
- 2015-12-05 CN CN201520993911.9U patent/CN205167994U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098067A (en) * | 2016-06-02 | 2016-11-09 | 安徽声讯信息技术有限公司 | A kind of it is easy to the portable voice shorthand device that commercial affairs are gone on business |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20161205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |