CN206186625U - Drawing device is used in economics teaching - Google Patents

Abstract

The utility model provides a drawing device is used in economics teaching, belongs to teaching aid technical field. It provides a simple structure, the function is various, drawing efficiency is high drawing device is used in economics teaching. Three one end on the ruler and pivot one end fixed connection, a slide sliding connection of the pivot other end and ruler no. 1, the recess no. 2 that link up is seted up along four length direction on the ruler in four bottom surfaces on the ruler, the recess no. 3 that link up is seted up along four width direction on the ruler in four bottom surfaces on the ruler, two sliding connection of recess of three other ends on the ruler and ruler no. 4, ruler end on may day can be dismantled with two other ends on the ruler and be connected, ruler no. 5 is gone up the side middle part and is offered the cavity that has a perfect understanding from top to bottom, decide five downside fixed connection on needle and the ruler, the carriage release lever middle part sets up in the cavity, the pen socket and carriage release lever lower extreme fixed connection, the fixed suit of ring cover is in the carriage release lever upper end. The utility model discloses can carry out the drawing of block diagram and line chart, the function is various, simple structure, convenient to use, and it is convenient, efficient to draw, and the practicality is strong.

Description

A kind of Teaching of Economics plotting unit

Technical field

The utility model belongs to teaching aid technical field, more particularly to a kind of plotting unit.

Background technology

Economics is a science, is the various economic activities and various phases for studying human society on stages The economic relation and its subject of operation and development rule answered.

Economic analysis process and result are often intuitively given expression to during Teaching of Economics using chart, and it is existing Drawing instrument is all simple set square, compasses and ruler, and drawing process is cumbersome, causes drawing efficiency low, so as to influence teaching Effect.

The content of the invention

Regarding to the issue above, the utility model provides a kind of simple structure, vdiverse in function, drawing efficiency economics religion high Plotting unit.

Technical solution adopted in the utility model is：A kind of Teaching of Economics plotting unit, including ruler one and straight Chi two；Teaching of Economics plotting unit also includes ruler three, ruler four, ruler five, rotating shaft, determines pin, mobile bar, pen Set, dynamic pin and annulus set；The bottom surface of the ruler one is provided with slideway one, the one end of the ruler three and rotating shaft along the length direction of ruler one One end is fixedly connected, and the rotating shaft other end is slidably connected with the slideway one of ruler one, and the bottom surface of the ruler one is provided with groove one, The groove one is used to make the bottom surface of ruler one concordant with the bottom surface of ruler three, and the bottom surface of the ruler four opens up along the length direction of ruler four There is the groove two of insertion, the bottom surface of ruler four offers the groove three of insertion along the width of ruler four, and the groove three is near straight The one end of chi four is set, and the other end of the ruler three is slidably connected with the groove two of ruler four, the one end of the ruler one and ruler two One end is hinged, and the one end of the ruler five is detachably connected with the other end of ruler two, and the upper side of ruler five middle part offers to be passed through up and down Logical cavity, is provided with slideway four in the cavity, the dynamic pin is slidably connected with slideway four, described to determine pin and set near cavity one end Put and be fixedly connected with the downside of ruler five, the mobile bar middle part is arranged in cavity, and the pen cap is arranged on cavity lower end, The pen cap is fixedly connected with mobile bar lower end, and the annulus is set on cavity upper end, and annulus set is fixedly set in mobile bar upper end, Annulus set external diameter is more than cavity width.

The beneficial effects of the utility model are：

The utility model can carry out the drafting of block diagram and broken line graph, vdiverse in function, simple structure, easy to use, paint Scheme convenient, efficiency high, it is practical.

Brief description of the drawings

Fig. 1：The utility model front view；

Fig. 2：The utility model rearview；

Fig. 3：The top view of the utility model ruler one；

Fig. 4：The structural representation of the utility model ruler four；

Fig. 5：The front view of the utility model ruler five；

Fig. 6：The top view of Fig. 5；

Wherein：1- rulers one；1-1- slideways one；1-2- grooves one；2- rulers two；3- rulers three；4- rulers four；4-1- is recessed Groove two；4-2- grooves three；5- rulers five；5-1- cavitys；6- rotating shafts；7- determines pin；8- mobile bars；The 9- pens cap；10- moves pin；11- justifies Ring set；12- suckers.

Specific embodiment

A kind of Teaching of Economics plotting unit as shown in Fig. 1 ~ Fig. 6, including ruler 1 and ruler 22；The economics Teaching plotting unit also include ruler 33, ruler 44, ruler 55, rotating shaft 6, determine pin 7, mobile bar 8, the pen cap 9, move pin 10 And annulus set 11；The bottom surface of the ruler 1 is provided with the 1-1 of slideway one along the length direction of ruler 1, the one end of the ruler 33 with turn The one end of axle 6 is fixedly connected, and the other end of the rotating shaft 6 is slidably connected with the 1-1 of slideway one of ruler 1, and the bottom surface of the ruler 1 sets A fluted 1-2, the 1-2 of the groove one are used to make the bottom surface of ruler 1 concordant with the bottom surface of ruler 33, the bottom surface edge of the ruler 44 The length direction of ruler 44 offers the 4-1 of groove two of insertion, and the bottom surface of ruler 44 offers insertion along the width of ruler 44 The 4-2 of groove three, the 4-2 of the groove three are set near the one end of ruler 44, the groove two of the other end of the ruler 33 and ruler 44 4-1 is slidably connected, and the one end of the ruler 1 is hinged with the one end of ruler 22, and the one end of the ruler 55 can with the other end of ruler 22 Dismounting connection, the upper side of ruler 55 middle part offers the cavity 5-1 of up/down perforation, and slideway four, institute are provided with the cavity 5-1 Pin 10 is stated to be slidably connected with slideway four, it is described to determine the close cavity 5-1 one end setting of pin 7 and fixed with the downside of ruler 55 to connect Connect, the middle part of the mobile bar 8 is arranged in cavity 5-1, the pen cap 9 is arranged on cavity 5-1 lower ends, under the pen cap 9 and mobile bar 8 End is fixedly connected, and the annulus set 11 is arranged on cavity 5-1 upper ends, and annulus set 11 is fixedly set in the upper end of mobile bar 8, annulus set 11 external diameters are more than cavity 5-1 width.

The bottom surface other end of the ruler 1 is mounted on sucker 12 with the bottom surface other end of ruler 22.

The bottom surface other end of the ruler 1 and the bottom surface other end of ruler 22 open up fluted four, described two grooves four Bottom surface is respectively fixedly connected with a sucker 12.

Application method：The bar shaped post of block diagram can be drawn out using ruler 33 and ruler 44；Picture block diagram is not needed When, ruler 44 is sleeved on ruler 33 by the 4-2 of groove three, then by the rotation of ruler 33 to the 1-2 of groove one of ruler 1 .

Using the broken line that can draw out broken line graph of ruler 55, determine pin 7 and be fixed on the end point of drawn broken line, move Pin 10 is moved to another end points of drawn broken line, now, chalk is set with the pen cap 9, mobile bar 8 is moved to from pin 7 is determined Dynamic pin 10, you can draw out a broken line.

Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.

Claims (3)

1. a kind of Teaching of Economics plotting unit, including ruler one（1）And ruler two（2）；It is characterized in that：The economics Teaching plotting unit also includes ruler three（3）, ruler four（4）, ruler five（5）, rotating shaft（6）, determine pin（7）, mobile bar（8）、 The pen cap（9）, dynamic pin（10）And annulus set（11）；The ruler one（1）Bottom surface is along ruler one（1）Length direction is provided with slideway one （1-1）, the ruler three（3）One end and rotating shaft（6）One end is fixedly connected, the rotating shaft（6）The other end and ruler one（1）Cunning Road one（1-1）It is slidably connected, the ruler one（1）Bottom surface is provided with groove one（1-2）, the groove one（1-2）For making ruler One（1）Bottom surface and ruler three（3）Bottom surface is concordant, the ruler four（4）Bottom surface is along ruler four（4）Length direction offers insertion Groove two（4-1）, ruler four（4）Bottom surface is along ruler four（4）Width offers the groove three of insertion（4-2）, the groove Three（4-2）Near ruler four（4）One end is set, the ruler three（3）The other end and ruler four（4）Groove two（4-1）Slide Connection, the ruler one（1）One end and ruler two（2）One end is hinged, the ruler five（5）One end and ruler two（2）The other end It is detachably connected, ruler five（5）Upper side middle part offers the cavity of up/down perforation（5-1）, the cavity（5-1）Inside it is provided with cunning Road four, the dynamic pin（10）It is slidably connected with slideway four, it is described to determine pin（7）Near cavity（5-1）One end set and with ruler five （5）Downside is fixedly connected, the mobile bar（8）Middle part is arranged on cavity（5-1）It is interior, the pen cap（9）It is arranged on cavity（5- 1）Lower end, the pen cap（9）With mobile bar（8）Lower end is fixedly connected, the annulus set（11）It is arranged on cavity（5-1）Upper end, annulus Set（11）It is fixedly set in mobile bar（8）Upper end, annulus set（11）External diameter is more than cavity（5-1）Width.

2. a kind of Teaching of Economics plotting unit according to claim 1, it is characterised in that：The ruler one（1）Bottom The face other end and ruler two（2）The bottom surface other end is mounted on sucker（12）.

3. a kind of Teaching of Economics plotting unit according to claim 1 and 2, it is characterised in that：The ruler one（1） The bottom surface other end and ruler two（2）The bottom surface other end opens up fluted four, the bottom surface of described two grooves four respectively with a sucker （12）It is fixedly connected.