CN207558255U - A kind of econometrics teaching demonstration device - Google Patents

A kind of econometrics teaching demonstration device Download PDF

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Publication number
CN207558255U
CN207558255U CN201820255715.5U CN201820255715U CN207558255U CN 207558255 U CN207558255 U CN 207558255U CN 201820255715 U CN201820255715 U CN 201820255715U CN 207558255 U CN207558255 U CN 207558255U
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CN
China
Prior art keywords
ruler
displaying
picture frame
econometrics
broken line
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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
Application number
CN201820255715.5U
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Chinese (zh)
Inventor
姜颖
赵淑英
韩巍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heilongjiang University of Science and Technology
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Heilongjiang University of Science and Technology
Priority date (The priority date 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 date listed.)
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Priority to CN201820255715.5U priority Critical patent/CN207558255U/en
Application granted granted Critical
Publication of CN207558255U publication Critical patent/CN207558255U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model is related to instrument fields of imparting knowledge to students,Specifically a kind of econometrics teaching demonstration device,The purpose of this utility model is that solution is existing in econometrics teaching,Teacher's Freehandhand-drawing chart,Efficiency is low,And labor intensity it is big the problem of,The utility model overcomes the deficiencies in the prior art,A kind of econometrics teaching demonstration device is provided,Picture frame is shown by setting,Broken line shows device and block diagram displaying device,It is capable of providing a kind of econometrics teaching demonstration device,To solve the problems mentioned in the above background technology,By showing picture frame,Broken line shows device,Block diagram shows device and scale positioning device,Display board front end face is provided with displaying picture frame,Show that setting broken line shows device in picture frame,Show that picture frame rear end face setting block diagram shows device,Broken line displaying device front end setting scale positioning device,The content of courses can be shown with icon,Reduce the labor intensity of teacher,The inaccurate nonstandard problem of Hand drawing is avoided simultaneously.

Description

A kind of econometrics teaching demonstration device
Technical field
The utility model is related to instrument field of imparting knowledge to students, specifically a kind of econometrics teaching demonstration device.
Background technology
Econometrics is based on certain economic theory and statistics, with mathematics, statistical method, to build Vertical econometric model is main means, and Quantitative Study has an economics of the economic variable relationship of randomness characteristic Subject, in econometrics teaching, cognition and the application of chart are chapters and sections important in study and teaching, existing metering warp Ji learns teaching demonstration device, for the student of first contacts to chart, is singly difficult to from books and Digital Teaching pair Chart generates the understanding of perception, understands its Principles of Economics contained in learner's indigestion block diagram and line chart, and In current teaching, the mode of Freehandhand-drawing shows iconic content, and hand-held for a long time, and labor intensity is big, is unfavorable for the religion of teacher It learns and uses, therefore, it is necessary to a kind of econometrics teaching demonstration devices to change the deficiency of existing plotting mode.
Utility model content
The utility model overcomes the deficiencies in the prior art, a kind of econometrics teaching demonstration device is provided, by setting Displaying picture frame, broken line displaying device and block diagram displaying device are put, is capable of providing a kind of econometrics teaching demonstration device, with Solve the problems mentioned above in the background art.
The technical solution of the utility model:
A kind of econometrics teaching demonstration device, including display board, displaying picture frame, broken line displaying device, block diagram exhibition Showing device and scale positioning device, the display board front end face are provided with displaying picture frame, broken line exhibition are set in the displaying picture frame Showing device, the displaying picture frame rear end face setting block diagram show device, and the broken line displaying device front end setting scale positions Device;
The broken line displaying device includes:Show picture frame, elastic string, slideway, sliding block, through-hole, threaded post and limited block, institute It states and several horizontal elastic strings and several end slipways is provided in displaying picture frame, the end slipway spaced set, The both ends of the elastic string are fixed on the left and right ends of the displaying picture frame, and several sliding blocks are provided in the elastic string, described Sliding block is slidably arranged in slideway, and the through-hole passed through for elastic string is provided on the sliding block, and the sliding block is rotatably installed in spiral shell On line column, the end of the threaded post is fixedly connected with limited block;
The block diagram displaying device includes:Sliding slot, rectangular column, elastic string and fastening bolt, the display board ontology Several sliding slots are provided in rear end face, setting is slided in the sliding slot, and there are two rectangular column, the rectangles in the interior left side of each sliding slot The upper end of column is connected by an elastic string, and the upper end of the rectangular column on right side is connected by another elastic string in each sliding slot It connects, fastening bolt is provided on the rectangular column;
The scale positioning device includes:Left ruler, left rack, right rack, slides ruler, hollow slots, slides card, is left right ruler Gear, right gear and rotary shaft;The left ruler and right ruler are fixed at left and right sides of displaying front edge of board, the left ruler and right ruler It is symmetrical arranged, the left ruler left side edge is provided with left rack, and the right ruler right side edge is provided with right rack, the displaying figure Frame front end is provided with slip ruler, and hollow slots are machined in the middle part of the slip ruler, slip card, the cunning are covered on the slip ruler Dynamic ruler both ends connect left gear and right gear respectively by rotary shaft, and the left gear engagement connects left rack, the right gear Engagement connects right rack.
Further, it is provided with rotating device below the display board.
Further, the rotating device includes stent, swivel plate, electric rotating machine and rotational shell, the display board sheet Body lower end is connected with stent, and the stent bottom end is connected with swivel plate, and the swivel plate bottom center is connected with electric rotating owner Axis, the electric rotating machine are arranged in rotational shell.
Further, it is both provided with graduation mark on the left ruler, right ruler and slip ruler.
Further, slip card upper and lower end face processing is fluted.
The beneficial effects of the utility model are:
1) the utility model is by setting broken line to show that device and block diagram show device, it is possible to reduce teacher was giving lessons The program of Hand drawing in journey, it is big to avoid teachers work intensity, and drawing efficiency is high, and speed is fast, has the effect intuitively shown;
2) the utility model is reasonable in design by setting scale positioning device, easy for operation, by by left ruler It is fixed on display board ontology with right ruler, slides ruler and be slidably connected with left ruler and right ruler, while in left ruler and right ruler and cunning Graduation mark is set on dynamic ruler, teacher can be helped when doing figure, required index can carry out X-axis and Y axis to bar chart Positioning, convenient for the drafting of line chart is rapidly completed.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the broken line apparatus structure schematic diagram of the utility model;
Fig. 3 is the scale positioning device structure schematic diagram of the utility model;
Fig. 4 is that the block diagram of figure the utility model shows apparatus structure schematic diagram;
Fig. 5 is the slide block structure schematic diagram in Fig. 2;
In figure:1- display boards;2- shows picture frame;3- broken lines show device;4- block diagrams show device;5- scales positioning dress It puts;6- elastic strings;7- slideways;8- sliding blocks;9- through-holes;10- threaded posts;11- limited blocks;12- sliding slots;13- rectangular columns;14- is tight Fixing bolt;The left rulers of 15-;The right rulers of 16-;The left racks of 17-;The right racks of 18-;19- slides ruler;20- hollow slots;21- slides card;22- Left gear;23- right gears;24- rotary shafts;25- rotating devices;26- stents;27- swivel plates;28- electric rotating machines;29- rotates Shell.
Specific embodiment
Below with reference to attached drawing, the utility model is described in detail:
With reference to shown in Fig. 1 to Fig. 5, a kind of econometrics teaching demonstration device disclosed in the present embodiment, including display board 1st, show that picture frame 2, broken line displaying device 3, block diagram displaying device 4 and scale positioning device 5,1 front end face of display board are set Displaying picture frame 2 is equipped with, setting broken line shows device 3, the displaying picture frame 2 rear end face setting block diagram in the displaying picture frame 2 Show device 4,3 front end of the broken line displaying device setting scale positioning device 5;
The broken line displaying device 3 includes:Show picture frame 2, elastic string 6, slideway 7, sliding block 8, through-hole 9,10 and of threaded post Limited block 11, described show are provided with several horizontal elastic strings 6 and several end slipways 7 in picture frame 2, the longitudinal direction is sliding 7 spaced set of road, the both ends of the elastic string 6 are fixed on the left and right ends of the displaying picture frame 2, are set in the elastic string 6 Several sliding blocks 8 are equipped with, the sliding block 8 is slidably arranged in slideway 7, and the through-hole passed through for elastic string 6 is provided on the sliding block 8 9, the sliding block 8 is rotatably installed in threaded post 10, and the end of the threaded post 10 is fixedly connected with limited block 11;
The block diagram displaying device 4 includes:Sliding slot 12, rectangular column 13, elastic string 6 and fastening bolt 14, the displaying Several sliding slots 12 are provided in the rear end face of 1 ontology of plate, setting is slided in the sliding slot 12, and there are two rectangular columns 13, each sliding The upper end of the rectangular column 13 in left side is connected by an elastic string 6 in slot 12, the rectangular column 13 on right side in each sliding slot 12 Upper end is connected by another elastic string 6, and fastening bolt 14 is provided on the rectangular column 13;
The scale positioning device 5 includes:Left ruler 15, left rack 17, right rack 18, slides ruler 19, hollow slots at right ruler 16 20th, card 21, left gear 22, right gear 23 and rotary shaft 24 are slided;Before the left ruler 15 and right ruler 16 are fixed at display board 1 The end left and right sides, the left ruler 15 and right ruler 16 are symmetrical arranged, and left 15 left side edge of ruler is provided with left rack 17, the right side 16 right side edge of ruler is provided with right rack 18, and 2 front end of the displaying picture frame, which is provided with, slides ruler 19, and 19 middle part of slip ruler adds Work has hollow slots 20, and slip card 21 is covered on the slip ruler 19, and 19 both ends of the slip ruler are connected respectively by rotary shaft 24 Left gear 22 and right gear 23 are connect, the engagement of left gear 22 connects left rack 17, and the engagement of right gear 23 connects right rack 18。
Specifically, 1 lower section of display board is provided with rotating device 25.
Specifically, which is characterized in that the rotating device 25 includes:Stent 26, swivel plate 27, electric rotating machine 28 and rotation Shell 29, the 1 ontology lower end of display board are connected with stent 26, and 26 bottom end of stent is connected with swivel plate 27, the rotation 27 bottom center of plate is connected with 28 main shaft of electric rotating machine, and the electric rotating machine 28 is arranged in rotational shell 29.
Specifically, it is both provided with graduation mark on the left ruler 15, right ruler 16 and slip ruler 19.
Specifically, 21 upper and lower end faces of the slip card processing is fluted.
The course of work of the present apparatus is:By the way that the position slided ruler and slide card will be adjusted, the number chosen can be positioned to It is worth point, by the sliding block in mobile slideway, elastic string can be arranged to the line chart needed;By tight on control rectangle column Fixing bolt can move rectangular column in sliding slot, by several mobile rectangular columns, can be arranged to accord with by rectangular column The block diagram of the content of courses is closed, while the elastic string on rectangular column linear can also show intuitive module, meanwhile, by opening Electric rotating machine is opened, stent is driven by swivel plate, the utility model can be rotated, carries out multi-angle displaying.
Above example is only to the exemplary description of this patent does not limit its scope of protection, people in the art Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.

Claims (5)

1. a kind of econometrics teaching demonstration device, which is characterized in that including display board (1), displaying picture frame (2), broken line exhibition Showing device (3), block diagram displaying device (4) and scale positioning device (5), display board (1) front end face are provided with displaying figure Frame (2), the interior setting broken line of displaying picture frame (2) show device (3), displaying picture frame (2) rear end face setting block diagram exhibition Showing device (4), broken line displaying device (3) front end setting scale positioning device (5);
The broken line displaying device (3) includes:Show picture frame (2), elastic string (6), slideway (7), sliding block (8), through-hole (9), spiral shell Line column (10) and limited block (11), the displaying picture frame (2) is interior to be provided with several horizontal elastic strings (6) and several longitudinal directions Slideway (7), end slipway (7) spaced set, the both ends of the elastic string (6) are fixed on the displaying picture frame (2) Left and right ends are provided with several sliding blocks (8) on the elastic string (6), and the sliding block (8) is slidably arranged in slideway (7), described The through-hole (9) passed through for elastic string (6) is provided on sliding block (8), the sliding block (8) is rotatably installed in threaded post (10), institute The end for stating threaded post (10) is fixedly connected with limited block (11);
The block diagram displaying device (4) includes:Sliding slot (12), rectangular column (13), elastic string (6) and fastening bolt (14), institute It states and several sliding slots (12) is provided in the rear end face of display board (1) ontology, setting is slided in the sliding slot (12), and there are two squares Shape column (13), the upper end of the rectangular column (13) in the interior left side of each sliding slot (12) pass through an elastic string (6) and connect, each sliding slot (12) upper end of the rectangular column (13) on right side is connected by another elastic string (6) in, is provided on the rectangular column (13) Fastening bolt (14);
The scale positioning device (5) includes:Left ruler (15), left rack (17), right rack (18), slides ruler at right ruler (16) (19), hollow slots (20), slip card (21), left gear (22), right gear (23) and rotary shaft (24);The left ruler (15) and the right side Ruler (16) is fixed at left and right sides of display board (1) front end, and the left ruler (15) and right ruler (16) are symmetrical arranged, the left ruler (15) left side edge is provided with left rack (17), and right ruler (16) right side edge is provided with right rack (18), the displaying figure Frame (2) front end, which is provided with, slides ruler (19), and hollow slots (20) are machined in the middle part of the slip ruler (19), described to slide on ruler (19) Slip card (21) is covered with, slip ruler (19) both ends connect left gear (22) and right gear respectively by rotary shaft (24) (23), left gear (22) engagement connects left rack (17), and right gear (23) engagement connects right rack (18).
A kind of 2. econometrics teaching demonstration device according to claim 1, which is characterized in that the display board (1) Lower section is provided with rotating device (25).
A kind of 3. econometrics teaching demonstration device according to claim 2, which is characterized in that the rotating device (25) include:Stent (26), swivel plate (27), electric rotating machine (28) and rotational shell (29), display board (1) the ontology lower end Stent (26) is connected with, stent (26) bottom end is connected with swivel plate (27), and swivel plate (27) bottom center is connected with Electric rotating machine (28) main shaft, the electric rotating machine (28) are arranged in rotational shell (29).
4. a kind of econometrics teaching demonstration device according to claim 1, which is characterized in that the left ruler (15), Graduation mark is both provided on right ruler (16) and slip ruler (19).
5. a kind of econometrics teaching demonstration device according to claim 1, which is characterized in that described to slide card (21) Upper and lower end face processing is fluted.
CN201820255715.5U 2018-02-12 2018-02-12 A kind of econometrics teaching demonstration device Expired - Fee Related CN207558255U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820255715.5U CN207558255U (en) 2018-02-12 2018-02-12 A kind of econometrics teaching demonstration device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820255715.5U CN207558255U (en) 2018-02-12 2018-02-12 A kind of econometrics teaching demonstration device

Publications (1)

Publication Number Publication Date
CN207558255U true CN207558255U (en) 2018-06-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109637277A (en) * 2018-12-14 2019-04-16 曾忆薇 A kind of comparison apparatus for demonstrating of business administration classification processing data
CN112466192A (en) * 2020-12-16 2021-03-09 青岛黄海学院 Economics economic data curve changes display device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109637277A (en) * 2018-12-14 2019-04-16 曾忆薇 A kind of comparison apparatus for demonstrating of business administration classification processing data
CN109637277B (en) * 2018-12-14 2020-12-08 重庆瞿塘峡实业有限公司 Contrast presentation device of enterprise management classification data
CN112466192A (en) * 2020-12-16 2021-03-09 青岛黄海学院 Economics economic data curve changes display device
CN112466192B (en) * 2020-12-16 2022-11-08 青岛黄海学院 Economics economic data curve change display device

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Granted publication date: 20180629

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