CN206400868U

CN206400868U - A kind of adjustable type steady type primary school mathematics arithmetic teaching demonstration board

Info

Publication number: CN206400868U
Application number: CN201621428175.3U
Authority: CN
Inventors: 张西华
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-12-24
Filing date: 2016-12-24
Publication date: 2017-08-11
Anticipated expiration: 2026-12-24

Abstract

The utility model is related to teaching apparatus for mathematics technical field, and disclose a kind of adjustable type steady type primary school mathematics arithmetic teaching demonstration board, including pedestal, wheel is movably installed with by support at the corner of the pedestal lower surface, the upper surface of the pedestal is installed with pillar, the inside of pillar offers in groove, groove and is movably installed with blank by lowering or hoisting gear.It is interesting that the utility model possesses increase, realize classroom interactions, improve enthusiasm, so as to improve the quality of teaching, indirectly student can be driven conscientiously to listen to the teacher, prevent to slide, it is easy to student to calculate, dais is gone on without student, reduces the burden at heart of student, tension when alleviating student at school, the conscientious degree of student is improved, is conducive to enlivening classroom, so as to further improve the quality of teaching, conveniently adapt to the student of different heights, the advantages of increasing the comfortableness of student as far as possible and further build easily cheerful and light-hearted classroom atmosphere.

Description

A kind of adjustable type steady type primary school mathematics arithmetic teaching demonstration board

Technical field

The utility model is related to teaching apparatus for mathematics technical field, specially a kind of adjustable type steady type primary school mathematics four fundamental rules Computing teaching demonstration board.

Background technology

Primary school mathematics are that, by teaching material, religion children are public on the calculating of several understanding, arithmetic, figure and length The a series of knowledge of formula, Conversion of measurement unit, is that good Fundamentals of Mathematics are laid in the first calculating for neutralizing daily life, primary school mathematics are several The early stage of education is learned, the time limit of primary school period education at this stage is 6 years, and some areas are still 5 years.

For the student that the age is smaller, the teaching load of teacher is heavier, how to allow student conscientiously to listen the raising student that makes peace Enthusiasm of attending class turn into the problem of most teachers want to solve, particularly with this more uninteresting subject of mathematics, improve and learn Raw enthusiasm is increasingly difficult, so, it is proposed that a kind of adjustable type steady type primary school mathematics arithmetic teaching demonstration board, To solve the above problems.

Utility model content

（One）The technical problem of solution

In view of the shortcomings of the prior art, the utility model is taught there is provided a kind of adjustable type steady type primary school mathematics arithmetic Demonstration board, possesses increase interest, realizes the classroom interactions on classroom, the enthusiasm of student is improved, so as to improve teaching Quality, the demonstration board can be shifted onto in face of student, drive student conscientiously to listen to the teacher indirectly, prevented to slide, be easy to student to carry out Calculation, dais is gone on without student, reduces the burden at heart of student, tension when alleviating student at school, improves student's Conscientious degree, is conducive to enlivening classroom, so as to further improve the quality of teaching, conveniently adapts to the student of different heights, as far as possible The advantages of increasing the comfortableness of student and further build easily cheerful and light-hearted classroom atmosphere, solves mathematics class and how to allow student Conscientiously listen make peace improve student attend class enthusiasm the problem of.

（Two）Technical scheme

To realize that above-mentioned increase is interesting, the classroom interactions on classroom are realized, the enthusiasm of student are improved, so as to improve religion Quality is learned, the utility model provides following technical scheme：A kind of adjustable type steady type primary school mathematics arithmetic teaching demonstration Wheel is movably installed with by support at plate, including pedestal, the corner of the pedestal lower surface, the upper surface of the pedestal is consolidated Dingan County is equipped with pillar, and the inside of pillar is offered in groove, groove is movably installed with blank by lowering or hoisting gear.

The lowering or hoisting gear includes being fixedly mounted on fixed block of the blank on pillar side, and fixed block is away from blank One end is flexibly connected with one end of rotating shaft, and the other end of rotating shaft at the axle center of fluted disc with being fixedly connected, and fluted disc is with being fixedly mounted on Teeth engagement in groove.

The outer surface of the blank is separated into upper demonstration area and lower demonstration area, upper demonstration area and lower demonstration area by dividing strip Divide to have and be movably installed with fixing device in the middle part of writing area and fixed area, the pedestal lower surface.

The fixing device includes the hydraulic stem that top is fixedly mounted in the middle part of pedestal lower surface, and the bottom of hydraulic stem is stretched It is connected with sucker.

It is preferred that, the pillar offers pillar where the chute being adapted with fixed block, chute close to the side of blank On length be more than where teeth length in groove.

It is preferred that, the two ends of the blank are installed with handle.

It is preferred that, it is installed with holding tray at the top of the blank.

It is preferred that, the writing area and fixed area are provided with two groups altogether, and every group of writing area is provided with four altogether, and every group is fixed Area is provided with one altogether, and four writing areas and a fixed area constitute an arithmetic expression.

It is preferred that, the rotating shaft, fluted disc and teeth are provided with two, and two rotating shafts and fluted disc are respectively with fixed block The vertical both sides substantially symmetrical about its central axis for being distributed in fixed block, two teeth respectively with fixed block it is vertical it is substantially symmetrical about its central axis be distributed in it is logical Both sides where groove on pillar.

It is preferred that, the hydraulic stem elongation posterior sucker is fitted with basal plane.

（Three）Beneficial effect

Compared with prior art, the utility model provides a kind of adjustable type steady type primary school mathematics arithmetic teaching and used Demonstration board, possesses following beneficial effect：

1st, the adjustable type steady type primary school mathematics arithmetic teaching demonstration board, by setting writing area and fixed area, It is equal sign that writing area, which can be write in numeral, fixed area, and teacher can write the formula of arithmetic in writing area, allow student to fill out Answer is write, increase is interesting, realizes the classroom interactions on classroom, the enthusiasm of student is improved, so as to improve the quality of teaching.

2nd, adjustable type steady type primary school mathematics arithmetic teaching demonstration board, by setting fixing device to coordinate wheel Use, teacher can shift the demonstration board in face of student onto, drive student conscientiously to listen to the teacher indirectly, be fixed on sucker using hydraulic stem Ground, prevents to slide, is easy to student to calculate, dais is gone on without student, reduce the burden at heart of student, alleviate and learn Tension when at school is given birth to, the conscientious degree of student is improved, is conducive to enlivening classroom, so as to further improve the quality of teaching.

3rd, the adjustable type steady type primary school mathematics arithmetic teaching demonstration board, can dialogue by setting lowering or hoisting gear Plate is moved up and down, and conveniently adapts to the student of different heights, increases the comfortableness of student as far as possible, further builds easily joyous Fast classroom atmosphere.

Brief description of the drawings

Fig. 1 is the utility model structural representation；

Fig. 2 is the utility model structure lowering or hoisting gear side schematic view；

Fig. 3 is the utility model structure lowering or hoisting gear front schematic view；

Fig. 4 is partial enlarged drawing at the A in the utility model Fig. 3 structures.

In figure：1 pedestal, 2 wheels, 3 pillars, 4 grooves, 5 lowering or hoisting gears, 51 fixed blocks, 52 rotating shafts, 53 fluted discs, 54 teeth, 6 blanks, 7 dividing strips, areas, 11 fixed areas, 12 fixing devices, 121 hydraulic stems, 122 are write in demonstration area, 9 time demonstration areas, 10 on 8 Sucker, 13 chutes, 14 handles, 15 holding trays.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

Referring to Fig. 1, a kind of adjustable type steady type primary school mathematics arithmetic teaching demonstration board, including pedestal 1, pedestal Wheel 2 is movably installed with by support at the corner of 1 lower surface, the upper surface of pedestal 1 is installed with pillar 3, and pillar 3 is leaned on The length that the side of nearly blank 6 is offered on the chute 13 being adapted with fixed block 51, the place pillar 3 of chute 13 is more than teeth 54 Length in place groove 4, the inside of pillar 3 is offered in groove 4, groove 4 is movably installed with blank 6 by lowering or hoisting gear 5, in vain The two ends of plate 6 are installed with handle 14, and the top of blank 6 is installed with holding tray 15.

Fig. 2-4 are referred to, lowering or hoisting gear 5 includes being fixedly mounted on fixed block 51 of the blank 6 on the side of pillar 3, Gu Determine the one end of block 51 away from blank 6 to be flexibly connected with one end of rotating shaft 52, the other end of rotating shaft 52 at the axle center of fluted disc 53 with consolidating Fixed connection, fluted disc 53 is engaged with the teeth 54 being fixedly mounted in groove 4, and rotating shaft 52, fluted disc 53 and teeth 54 are provided with two It is individual, and two rotating shafts 52 and fluted disc 53 are respectively with the vertical both sides substantially symmetrical about its central axis for being distributed in fixed block 51 of fixed block 51, two Individual teeth 54 with the vertical both sides substantially symmetrical about its central axis being distributed on the place pillar 3 of groove 4 of fixed block 51, are nibbled using gear respectively Close, blank 6 can be moved up and down, conveniently adapt to the student of different heights, increase the comfortableness of student as far as possible, further Build easily cheerful and light-hearted classroom atmosphere.

Referring to Fig. 1, the outer surface of blank 6 is separated into upper demonstration area 8 and lower demonstration area 9, upper demonstration area 8 by dividing strip 7 There is the equal sign in writing area 10 and fixed area 11, fixed area 11 not wiped by whiteboard eraser with being divided in lower demonstration area 9, write Area 10 and fixed area 11 are provided with two groups altogether, and every group of writing area 10 is provided with four altogether, and every group of fixed area 11 is provided with one altogether, And four writing areas 10 and a fixed area 11 constitute an arithmetic expression, writing area 10, which can be write in numeral, fixed area 11, is Equal sign, teacher can write the formula of arithmetic in writing area 10, allow student's fill out answers, and increase is interesting, realizes classroom On classroom interactions, improve the enthusiasm of student, so as to improve the quality of teaching, be movably installed with the middle part of the lower surface of pedestal 1 solid Determine device 12.

Referring to Fig. 1, fixing device 12 includes the hydraulic stem 121 that top is fixedly mounted in the middle part of the lower surface of pedestal 1, hydraulic pressure The elongation posterior sucker 122 of bar 121 is fitted with basal plane, and the bottom of hydraulic stem 121 is flexible to be connected with sucker 122, and teacher can demonstrate this Plate is shifted onto in face of student, drives student conscientiously to listen to the teacher indirectly, and sucker 122 is fixed on into ground using hydraulic stem 121, prevented Slide, be easy to student to calculate, dais is gone on without student, reduce the burden at heart of student, when alleviating student at school Tension, improves the conscientious degree of student, is conducive to enlivening classroom, so as to further improve the quality of teaching.

The electric elements occurred in this article are electrically connected with extraneous main controller or switch and 220V civil powers.

In summary, adjustable type steady type primary school mathematics arithmetic teaching demonstration board, by setting writing area 10 With fixed area 11, it is equal sign that writing area 10, which can be write in numeral, fixed area 11, and teacher can write four fundamental rules fortune in writing area 10 The formula of calculation, allows student's fill out answers, and increase is interesting, realizes the classroom interactions on classroom, improves the enthusiasm of student, so that Improve the quality of teaching.

By setting fixing device 12 to coordinate wheel 2 to use, teacher can shift the demonstration board in face of student onto, drive indirectly Student is conscientiously listened to the teacher, and sucker 122 is fixed on into ground using hydraulic stem 121, is prevented to slide, is easy to student to calculate, Dais is gone on without student, the burden at heart of student is reduced, tension when alleviating student at school improves the conscientious journey of student Degree, is conducive to enlivening classroom, so as to further improve the quality of teaching.

By setting lowering or hoisting gear 5, blank 6 can be moved up and down, conveniently adapt to the student of different heights, as far as possible Increase the comfortableness of student, further build easily cheerful and light-hearted classroom atmosphere；Solve how mathematics class allows student conscientiously to pay attention to the class With improve student attend class enthusiasm the problem of.

It should be noted that herein, such as first and second or the like relational terms are used merely to a reality Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that Also there is other identical element in process, method, article or equipment including the key element.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of adjustable type steady type primary school mathematics arithmetic teaching demonstration board, including pedestal（1）, the pedestal（1）Under Wheel is movably installed with by support at the corner on surface（2）, it is characterised in that：The pedestal（1）Upper surface fix peace Equipped with pillar（3）, pillar（3）Inside offer groove（4）, groove（4）It is interior to pass through lowering or hoisting gear（5）It is movably installed with blank （6）；The lowering or hoisting gear（5）Including being fixedly mounted on blank（6）Close to pillar（3）Fixed block on side（51）, fixed block （51）Away from blank（6）One end and rotating shaft（52）One end be flexibly connected, rotating shaft（52）The other end and fluted disc（53）Axle It is fixedly connected at the heart, fluted disc（53）With being fixedly mounted on groove（4）Interior teeth（54）Engagement；The blank（6）Outer surface By dividing strip（7）It is separated into demonstration area（8）With lower demonstration area（9）, upper demonstration area（8）With lower demonstration area（9）Inside dividing has Write area（10）And fixed area（11）, the pedestal（1）Fixing device is movably installed with the middle part of lower surface（12）；The fixation Device（12）Pedestal is fixedly mounted on including top（1）Hydraulic stem in the middle part of lower surface（121）, hydraulic stem（121）Bottom stretch Contracting is connected with sucker（122）.

2. a kind of adjustable type steady type primary school mathematics arithmetic teaching demonstration board according to claim 1, its feature It is：The pillar（3）Close to blank（6）Side offer and fixed block（51）The chute being adapted（13）, chute（13） Place pillar（3）On length be more than teeth（54）Place groove（4）Interior length.

3. a kind of adjustable type steady type primary school mathematics arithmetic teaching demonstration board according to claim 1, its feature It is：The blank（6）Two ends be installed with handle（14）.

4. a kind of adjustable type steady type primary school mathematics arithmetic teaching demonstration board according to claim 1, its feature It is：The blank（6）Top be installed with holding tray（15）.

5. a kind of adjustable type steady type primary school mathematics arithmetic teaching demonstration board according to claim 1, its feature It is：The writing area（10）And fixed area（11）Two groups, every group of writing area are provided with altogether（10）Four are provided with altogether, and every group is consolidated Determine area（11）One, and four writing areas are provided with altogether（10）With a fixed area（11）Constitute an arithmetic expression.

6. a kind of adjustable type steady type primary school mathematics arithmetic teaching demonstration board according to claim 1, its feature It is：The rotating shaft（52）, fluted disc（53）And teeth（54）It is provided with two, and two rotating shafts（52）And fluted disc（53）Respectively With fixed block（51）Vertical substantially symmetrical about its central axis be distributed in fixed block（51）Both sides, two teeth（54）Respectively with fixed block （51）Vertical substantially symmetrical about its central axis be distributed in groove（4）Place pillar（3）On both sides.

7. a kind of adjustable type steady type primary school mathematics arithmetic teaching demonstration board according to claim 1, its feature It is：The hydraulic stem（121）Extend posterior sucker（122）Fitted with basal plane.