CN205334809U

CN205334809U - Polycycle is enlightened to practise and is calculated ware

Info

Publication number: CN205334809U
Application number: CN201620070799.6U
Authority: CN
Inventors: 吕岑
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-18
Filing date: 2016-01-18
Publication date: 2016-06-22
Anticipated expiration: 2026-01-18

Abstract

The utility model discloses a polycycle is enlightened to practise and is calculated ware. The enlightenment teaching aid wholeness of addition is not strong within present 20, easy scattering and disappearing. The utility model discloses set up 9 mutually equidistant concentric rings in the disc quotation, be equipped with a fixed axle along a certain diameter position department on the concentric ring, the part that the fixed axle lies in the core both sides is fixed with 9, 10 fixed beadss respectively, and the interval of concentric ring slightly is greater than the diameter of fixed beads, two halves about the fixed axle divides into the disc quotation, first quotation, second quotation are along being equipped with a flexible band radially respectively, and 9 concentric rings lie in first quotation, second quotation punishment do not embeds and indicates the slip beads of numeral 1~9, and 9 slip beadss are collected to every flexible band. The utility model discloses both children hands -on ability can be cultivateed, the analysis ability can be cultivateed again. Enlightening is strong, helps unique thinking to discuss to shen ru know the operation law of addition within 20.

Description

A kind of polycycle initiating learning calculator

Technical field

This utility model is a kind of polycycle initiating learning calculator。Relate to a kind of calculation trainer, particularly relate to addition within children for learning 20, be a kind of teaching study tool。

Background technology

At present, the articles for use of addition within 20 are learnt, some spillikin scantlings of offer, or addition and subtraction pithy formula table exercise mostly etc for pupil, refer more particularly to and be all even number, be all odd number or the additive operation of a strange even number, it is difficult to make child's deep layer understanding operation law。Prior art is designed and a kind of is printed on card of addition formula etc etc within 20, and card adopts box-packed, and globality is not strong, it is easy to scattering and disappearing, pupil is also difficult to start with from entirety understand operation law。

Utility model content

The purpose of this utility model is in that to solve the problem of additive operation rule within conventional child's indigestion 20, and the special initiating learning calculator providing a kind of a plurality of donut to inlay odd even beads, to improve interest and the enthusiasm of children for learning mathematics。

For achieving the above object, this utility model adopts the following technical scheme that:

A kind of polycycle initiating learning calculator, including disc housing, it is characterised in that arrange the donut of 9 equidistant from distance in disk card, donut is provided with a fixing axle along a certain diametrical position place；Fixing axle is positioned at the part of core both sides and is respectively fixed with 9,10 fixing beads, the spacing of described donut is slightly larger than the diameter of fixing beads, the fixing beads in 9, core side is embedded in 9 donuts with on the intersection point of fixing axle, and it is marked with numeral 2n and n is the integer of 1～9；10 fixing beads of core opposite side are embedded in during 9 annulate shaft intersection points make every section of its self-assembling formation 10 sections on site, and it is marked with numeral 2m-1 and m is the integer of 1～10；Disk card is divided into upper and lower two halves by fixing axle, upper half card, lower half card are radially respectively equipped with a flexible band, article 9, donut is positioned at upper half card, the lower half card place nested slip beads indicating numeral 1～9 respectively, and every flexible band collects described 9 slip beads。

Before using, first this utility model is put into fixing axle in horizontal direction, then uses " like numbers additive operation, the rotation of slip beads lower-left；Foreign peoples's number additive operation, slip beads bottom right revolve " method solving result number。Such as 1+7, it is all odd number, like numbers addition, just ring 1 pearl of upper semi-ring and ring 7 pearl elder generation's tailing edge ring lower-left is threaded on the fixing beads of axle, then observe and find out the fixing beads in midpoint, its pearl mark number 8, be number of results。Such as 4+8, being all even number, method is ibid。If 3+8, one is single double; two, and ring 3 pearl and ring 8 pearl are just successively threaded between the pearl shelves that right axle shaft two fixes beads in bottom right from upper semi-ring by foreign peoples's number addition, then observe the fixing beads in the midpoint finding out between two pearls, its pearl mark number 11, are number of results。If this kind of identical several additions of 8+8, ring 8 pearl of upper semi-ring is revolved along ring lower-left, and lower ring 8 pearl of lower semi-ring is revolved along ring upper left, and the fixing beads folded by two pearls, its pearl mark number 16 is number of results。

If asking several decomposition, then from axle, first find out fixing beads, then along ring rotational slide beads。Such as decompose 13, first from axle, find out fixing beads 13, then revolve along ring bottom right from one group of 13 2 two pearls simultaneously, just can obtain 6 and 7,5 and 8,4 and 9 three groups of symmetry slip beads, namely obtain tri-groups of breakdowns of 6^7,5^8,4^9, select for ten methods of gathering。Isolation by number, it is possible to be easy to obtain the number of results of subtraction within 20, such as 13-6, first finds out fixing beads 13 from axle, then screws out slip beads 6 along ring bottom right, and the slip beads 7,7 finding out symmetry is number of results。

As further improvement of the utility model, when the integer that m is 2～9, the fixing beads of described core opposite side is fixed between adjacent two donuts with the inscribe of circle, circumscribed mode。

As further improvement of the utility model, described disc housing circle centre position is additionally provided with a spacing circular boop, and when m is 10, the fixing beads indicating numeral 19 that it is inlayed just is inscribed within the donut of inner side；Described housing outward flange is provided with spacing round frame, and when m is 1, the fixing beads indicating numeral 1 is just inscribed within described spacing round frame。

As further improvement of the utility model, described housing, fixing axle, spacing round frame, spacing circular boop are integrated making。

Relative to prior art, this utility model has following beneficial effect:

1, the method for this utility model " similar lower-left is revolved, and foreign peoples bottom right is revolved " can try to achieve rapidly number of results, can be verified with the mental arithmetic number of results of child again。Child's manipulative ability can be cultivated, children thought ability can be developed again。

2, this utility model is for easy identification, and beads institute biaoqi number can use redness to indicate, and even number green indicates。Color mark number, child can quickly judge the parity of number。

3, different spinning solution computing two class additions is adopted。Like numbers addition, after the diameter shaft of calculation trainer is put into horizontal direction, adopts the method for lower-left rotation to obtain result。Foreign peoples's number addition, after diameter shaft is put into horizontal direction, adopts the method for bottom right rotation to obtain result。

Accompanying drawing explanation

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

Fig. 2 be in Fig. 1 A-A to sectional structure schematic diagram:

Fig. 3 is the use state reference map of foreign peoples's number additive operation；

Fig. 4 is the use state reference map of identical several additive operation。

In above-mentioned accompanying drawing, 1, housing, 2, donut, 3, fixing axle, 4, fixing beads, 5, flexible band, 6, slip beads, 7, spacing circular boop, 8, spacing round frame。

Detailed description of the invention

Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is further described。

As shown in figures 1-4, this utility model includes disc housing 1, and disk card arranges the donut 2 of 9 equidistant from distance, and donut 2 is provided with a fixing axle 3 along a certain diametrical position place；The part that fixing axle 3 is positioned at core both sides is respectively fixed with 9,10 fixing beads 4, the spacing of donut 2 is slightly larger than the diameter of fixing beads 4, the fixing beads 4 in 9, core side is embedded in 9 donuts 2 with on the intersection point of fixing axle 3, and it is marked with numeral 2n and n is the integer of 1～9；The fixing beads 4 of core opposite side 10 is embedded in during 9 annulate shaft intersection points make every section of its self-assembling formation 10 sections on site, and it is marked with numeral 2m-1 and m is the integer of 1～10；Disk card is divided into upper and lower two halves by fixing axle 3, upper half card, lower half card are radially respectively equipped with a flexible band 5, article 9, donut 2 is positioned at upper half card, the lower half card place nested slip beads 6 indicating numeral 1～9 respectively, and every flexible band 5 collects 9 slip beads 6。

As it is shown in figure 1, before using, first this utility model is put into fixing axle 3 in horizontal direction, then use " like numbers additive operation, the rotation of slip beads 6 lower-left；Foreign peoples's number additive operation, slip beads 6 bottom right revolve " method solving result number。Such as 1+7, it is all odd number, like numbers addition, just ring 1 pearl of upper semi-ring and ring 7 pearl elder generation's tailing edge ring lower-left is threaded on the fixing beads 4 of axle, then observe and find out the fixing beads 4 in midpoint, its pearl mark number 8, be number of results。Such as 4+8, being all even number, method is ibid。

If as it is shown on figure 3,3+8, one is single double; two, and ring 3 pearl and ring 8 pearl are just successively threaded between the pearl shelves that right axle shaft two fixes beads 4 in bottom right from upper semi-ring by foreign peoples's number addition, then observe the fixing beads 4 in the midpoint finding out between two pearls, its pearl mark number 11, are number of results。

As shown in Figure 4, if this kind of identical several additions of 8+8, ring 8 pearl of upper semi-ring is revolved along ring lower-left, and lower ring 8 pearl of lower semi-ring is revolved along ring upper left, and the fixing beads 4 folded by two pearls, its pearl mark number 16 is number of results。

When the integer that m is 2～9, the fixing beads 4 of core opposite side is fixed between adjacent two donuts 2 with the inscribe of circle, circumscribed mode。

Disc housing 1 circle centre position is additionally provided with a spacing circular boop 7, and when m is 10, the fixing beads 4 indicating numeral 19 that it is inlayed just is inscribed within the donut 2 of inner side；Housing 1 outward flange is provided with spacing round frame 8, and when m is 1, the fixing beads 4 indicating numeral 1 is just inscribed within spacing round frame 8。Housing 1, fixing axle 3, spacing round frame 8, spacing circular boop 7 are integrated making。

This utility model both can cultivate child's manipulative ability, again can culture assays ability。Enlightenment is strong, contributes to unique thinking and inquires into, thus deeply recognizing the operation law of addition within 20。

Claims

1. a polycycle initiating learning calculator, including disc housing, it is characterised in that arrange the donut of 9 equidistant from distance in disk card, and donut is provided with a fixing axle along a certain diametrical position place；Fixing axle is positioned at the part of core both sides and is respectively fixed with 9,10 fixing beads, the spacing of described donut is slightly larger than the diameter of fixing beads, the fixing beads in 9, core side is embedded in 9 donuts with on the intersection point of fixing axle, and it is marked with numeral 2n and n is the integer of 1～9；10 fixing beads of core opposite side are embedded in during 9 annulate shaft intersection points make every section of its self-assembling formation 10 sections on site, and being marked with numeral 2m-1 and m is the integer of 1～10；Disk card is divided into upper and lower two halves by fixing axle, its half card upper, lower half card are radially respectively equipped with a flexible band, article 9, donut is positioned at upper half card, the lower half card place nested slip beads indicating numeral 1～9 respectively, and every flexible band collects described 9 slip beads。

2. a kind of polycycle initiating learning calculator according to claim 1, it is characterised in that: when the integer that m is 2～9, the fixing beads of described core opposite side is fixed between adjacent two donuts with the inscribe of circle, circumscribed mode。

3. a kind of polycycle initiating learning calculator according to claim 2, it is characterised in that: described disc housing circle centre position is additionally provided with a spacing circular boop, and when m is 10, the fixing beads indicating numeral 19 that it is inlayed just is inscribed within the donut of inner side；Described housing outward flange is provided with spacing round frame, and when m is 1, the fixing beads indicating numeral 1 is just inscribed within described spacing round frame。

4. a kind of polycycle initiating learning calculator according to claim 3, it is characterised in that: described housing, fixing axle, spacing round frame, spacing circular boop are integrated making。