CN206678647U

CN206678647U - A kind of parabola study teaching aid

Info

Publication number: CN206678647U
Application number: CN201720210055.4U
Authority: CN
Inventors: 谭洁
Original assignee: Hunan Mechanical and Electrical Polytechnic
Current assignee: Hunan Mechanical and Electrical Polytechnic
Priority date: 2017-03-06
Filing date: 2017-03-06
Publication date: 2017-11-28
Anticipated expiration: 2027-03-06

Abstract

A kind of parabola study teaching aid, including demonstration board, pillar, vertical scale, horizontal scale, X-axis, Y-axis, clipboard, vertical scale is arranged on the upper end of pillar, pillar is provided with arrangement for adjusting height, laterally mark for two and form rectangular configuration together with vertical scale, demonstration board is arranged in rectangular configuration, the first chute is provided with vertical scale, fixable transverse shifting batten is provided with first chute, the second chute is provided with horizontal scale, fixable vertically movable batten is provided with second chute, X-axis, Y-axis is vertically portrayed on demonstration board, clipboard is arranged on the right side of vertical scale, baffle plate is provided between clipboard and vertical scale, the bottom of clipboard is provided with rack, rack is provided with the drawing pen of erasable, lettering pen, blackboard eraser.The utility model can not only aid in student to understand the rule of parabolic function, deepen the memory to parabolic function formula, also have higher reliability, reasonable in design, easy to use, beneficial to raising efficiency of teaching.

Description

A kind of parabola study teaching aid

Technical field

A kind of mathematical teaching aid is the utility model is related to, particularly a kind of parabola study teaching aid.

Background technology

Teacher is general to be explained using being drawn in black and white when explaining parabolic function at present, and teacher is carrying out hand During solution of drawing, three list, described point, line steps completions can be passed through, although teacher can make student's intensification pair in the process Parabolical understanding, but the process can waste many due to needing scene to carry out live mapping using drawing tools such as scales Time, delay the progress attended class, and lift scale and mapped and can also consume the muscle power of teacher.

CN205943212U discloses a kind of higher mathematics function demonstration teaching aid, including demonstration board, pillar, transverse baffle, Magnetic parabola model, Y-axis, vertically move batten, sliding block, clipboard, X-axis, transverse shifting batten, the universal wheel with fastener and Chute, the utility model vertically moves batten and transverse shifting batten by movement can read the coordinate of relevant position, and can To demonstrate multiple parabolas simultaneously, and then it is contrasted, intuitively reflects the rule of parabolic function, auxiliary student, which understands, is thrown The rule of thing line function, accelerate the memory to parabolic function formula, and can write out on clipboard function formula and Property, student is quickly removed Understanding memory, improve study schedule and efficiency, save instructional blocks of time, but the practicality is new The demonstration board and magnetic parabola model of type due to being magnetisable material, under this open environment in classroom use can adhere in air Some magnetisable materials, the normal use of demonstration board or magnetic parabola model can be so influenceed, in addition, magnetic parabola model Although elastomeric material is made, when its length is stretched, its position is difficult to fix, this on parabola some away from Be difficult to show from the point of center position farther out, and the height of pillar is non-adjustable, be also unfavorable for different heights teacher or Student uses the utility model, and any processing is not done between clipboard and pillar, so easily causes the powder on clipboard yet The dusts such as ash descend slowly and lightly onto the graduation mark of pillar, influence the normal reading of graduation mark, thus the utility model also exist it is a lot Can be with improved place.

The content of the invention

The purpose of this utility model is to overcome the above-mentioned deficiency of prior art and provide a kind of parabola study teaching aid, it It can not only aid in student to understand the rule of parabolic function, deepen the memory to parabolic function formula, also have higher Reliability, it is reasonable in design, it is easy to use, beneficial to raising efficiency of teaching.

The technical solution of the utility model is：A kind of parabola study teaching aid, including demonstration board, pillar, vertical scale, Horizontal scale, X-axis, Y-axis, clipboard, two pillars are placed vertically, and vertical scale is arranged on the upper end of pillar, and pillar is provided with Arrangement for adjusting height, two horizontal scales are separately fixed at the upper and lower ends of vertical scale, and form square together with vertical scale Shape structure, demonstration board are installed in this rectangular configuration, and the first chute is provided with vertical scale, is provided with the first chute fixable Transverse shifting batten, horizontal scale is interior to be provided with the second chute, and fixable vertically movable batten, X-axis, Y are provided with the second chute Axle is vertically portrayed on demonstration board, and clipboard is arranged on the right side of vertical scale, and baffle plate is provided between clipboard and vertical scale, The bottom of clipboard is provided with rack, and rack is provided with drawing pen, lettering pen, the blackboard eraser of erasable.

The further technical scheme of the utility model is：The intersection point of X-axis and Y-axis is in the center of demonstration board.

Further technical scheme is the utility model：Transverse shifting batten is provided with the first handrail, vertically movable bar Plate is provided with the second handrail.

The further technical scheme of the utility model is：Demonstration board is provided with several suckers with numeral sign.

Further, posts bottom is provided with fixable universal wheel.

Further, baffle plate is arcuate structure, and the curved mouth of baffle plate is towards clipboard.

Further, the first chute and the curved structure of the second chute, interior be provided with of the first chute are used for fixed lateral shifting First fastener of dynamic batten, the second chute is interior to be provided with the second fastener for being used for fixing vertically movable batten.

Further, the lower right corner on clipboard is provided with dust exhaust apparatus.

The utility model has following features compared with prior art：

（1）Parabola study provided by the utility model has used vertical scale and horizontal scale to be arranged on demonstration with teaching aid The surrounding of plate, and there is provided transverse shifting batten and batten is vertically moved, by mobile transverse shifting batten and it can vertically move Batten quickly reads abscissa and ordinate, realize it is quick look for a little and plotted versus, directly use drawing pen on demonstration board directly Connect picture, it is necessary to draw parabola how long can, do not carry the baby, when need to change parabola, directly wipe out and drawn again from new Both can, the study for the point being easy on all kinds of parabolas and parabola apart from origin farther out；

（2）Parabola study teaching aid provided by the utility model is provided with arrangement for adjusting height on pillar, can basis Need, adjust the height of pillar at any time, be easy to the people of different heights to use the utility model；

（3）Parabola study teaching aid provided by the utility model is provided with baffle plate between clipboard and vertical scale, The dusts such as the chalk dust on clipboard can be avoided to fly on vertical scale and demonstration board to a certain extent, vertical scale can be kept And the cleaning on demonstration board, ensure the normal reading of vertical scale high scale line, nor affect on the various of demonstration board upper parabolical Operation, reliability are higher.

Detailed construction of the present utility model is further described below in conjunction with the drawings and specific embodiments.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

Embodiment

As shown in drawings：A kind of parabola study teaching aid, including demonstration board 2, pillar 7, vertical scale 1, horizontal scale 6th, X-axis 3, Y-axis 4, clipboard 15, two pillars 7 are placed vertically, and vertical scale 1 is arranged on the upper end of pillar 7, and pillar 7 is provided with Arrangement for adjusting height 8, arrangement for adjusting height 8 can be disclosed any height adjusting structures in the prior art, such as Height adjusting structure disclosed in CN106195566A, demonstration board 2 and writing above pillar are can adjust by arrangement for adjusting height 8 The height of plate 15, it is easy to the teachers and students of different heights to use demonstration board 2 and clipboard 15, two horizontal scales 6 are separately fixed at perpendicular To the upper and lower ends of scale 1, and rectangular configuration is formed together with vertical scale 1, demonstration board 2 is installed in this rectangular configuration, drilled Show that plate 2 can be provided with the first chute by the way of gluing or other modes are fixed in rectangular configuration in vertical scale 1 （Not shown in figure）, the first chute is interior to be provided with fixable transverse shifting batten 19, and the second chute is provided with horizontal scale 6（Figure Not shown in）, the second chute is interior to be provided with fixable vertically movable batten 18, and X-axis 3, Y-axis 4 are vertically portrayed on demonstration board 2, It can ensure that X-axis 3 and Y-axis 4 will not protrude the plane at the place of demonstration board 2, can so avoid the presence of X-axis 3 and Y-axis 4 from influenceing laterally Mobile batten 19 and vertically movable batten 18 move freely above demonstration board 2, and the intersection point of X-axis 3 and Y-axis 4 is in demonstration board 2 Center, facilitate it is parabolical take point, draw, can also ensure that position of the parabola on demonstration board 2 is easy to observe；Clipboard 15 is pacified Mounted in the right side of vertical scale 1, it can use the modes such as Nian Jie or joggle that company is fixed between clipboard 15 and vertical scale 1 Connect, can be write on clipboard 15 on the various formula of parabolic function and various calculations, reasoning process etc., clipboard 15 Baffle plate 16 is provided between vertical scale 1, baffle plate 16 can avoid chalk dust on clipboard 15 etc. from descending slowly and lightly to vertical scale 1 or drill Show on plate 2, the bottom of clipboard 15 is provided with rack 10, and rack 10 is provided with drawing pen 11, lettering pen 12, the plate of erasable 13 are wiped, can be used to draw 11 and various parabolas are drawn on demonstration board 2, lettering pen 12 can be used in 15 enterprising style of writing of clipboard Word is imparted knowledge to students, and blackboard eraser 13 can be not only used for wiping the parabola drawn on demonstration board 2, it can also be used to wipe in the writing on clipboard 15 Hold.

Transverse shifting batten 19 is provided with the first handrail 22, is moved easily transverse shifting batten 19, vertically movable batten 18 The second handrail 21 is provided with, is moved easily vertically movable batten 18.

Demonstration board 2 be provided with several with numeral sign sucker 20, when on demonstration board 2 simultaneously draw multiple parabolas When, parabola end can be placed on using sucker 20 and distinguished, facilitate multiple parabola contrast study.

The bottom of pillar 7 is provided with fixable universal wheel 9, facilitates pillar 7 to drive demonstration board 2 and clipboard 15 to move.

Baffle plate 16 is arcuate structure, and the curved mouth of baffle plate 16 can so ensure preferable in the grey effect of gear towards clipboard 15 Under the premise of the presence of baffle plate 16 is not interfered with demonstration board 2 with being used while clipboard 15.

First chute and the curved structure of the second chute, avoid interim card situation occur when sliding, set in the first chute There is the first fastener 5 for fixed lateral movement batten 19, convenient fixed lateral at any time moves batten 19, is provided with the second chute For fixing the second fastener 17 of vertically movable batten 18, convenient batten 18 vertically movable at any time.

The lower right corner on clipboard 15 is provided with dust exhaust apparatus 14, can be used for the ash such as chalk dust caused by absorption writing Dirt, the dust on clipboard 15 can be further avoided to fly to demonstration board 2, vertical scale 1, at horizontal scale 6.

Claims

1. a kind of parabola study teaching aid, including demonstration board, pillar, vertical scale, horizontal scale, X-axis, Y-axis, clipboard, It is characterized in that：Two pillars are placed vertically, and vertical scale is arranged on the upper end of pillar, and pillar is provided with arrangement for adjusting height, Two horizontal scales are separately fixed at the upper and lower ends of vertical scale, and rectangular configuration, demonstration board are formed together with vertical scale Install in this rectangular configuration, the first chute be provided with vertical scale, fixable transverse shifting batten is provided with the first chute, The second chute is provided with horizontal scale, is provided with fixable vertically movable batten in the second chute, X-axis, Y-axis, which are vertically portrayed, to be drilled Show on plate, clipboard is arranged on the right side of vertical scale, baffle plate is provided between clipboard and vertical scale, the bottom of clipboard is set There is rack, rack is provided with drawing pen, lettering pen, the blackboard eraser of erasable.

2. parabola study teaching aid according to claim 1, it is characterised in that：The intersection point of X-axis and Y-axis is in demonstration board Center.

3. parabola study teaching aid according to claim 1, it is characterised in that：Transverse shifting batten is helped provided with first Hand, vertically movable batten are provided with the second handrail.

4. parabola study teaching aid according to claim 1, it is characterised in that：Demonstration board is provided with several with number The sucker of word sign.

5. the parabola study teaching aid according to any one of claim 1-4, it is characterised in that：Posts bottom is provided with can Fixed universal wheel.

6. the parabola study teaching aid according to any one of claim 1-4, it is characterised in that：Baffle plate is arc knot Structure, the curved mouth of baffle plate is towards clipboard.

7. the parabola study teaching aid according to any one of claim 1-4, it is characterised in that：First chute and second The curved structure of chute, the first chute is interior to be provided with the first fastener for being used for fixed lateral movement batten, is provided with the second chute For fixing the second fastener of vertically movable batten.

8. the parabola study teaching aid according to any one of claim 1-4, it is characterised in that：Bottom right on clipboard Angle is provided with dust exhaust apparatus.