CN210142427U

CN210142427U - Abacus for mathematics teaching

Info

Publication number: CN210142427U
Application number: CN201920801844.4U
Authority: CN
Inventors: 高霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-03-13
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses an abacus for mathematical education, including the chassis that has the adsorption function and the cover disc of being connected through the axostylus axostyle with the chassis, be equipped with in proper order between chassis to the cover disc and be passed and the diameter count dish that diminishes gradually by the axostylus axostyle, reset the dish, operation dish and primary position dish, its structural feature is, primary position dish and reset and be equipped with the primary position mark groove and the mark groove that resets of nine annular array on the dish respectively, nine primary position mark grooves and the mark inslot that resets all are equipped with one to nine cartoon patterns in proper order, the operation dish on be equipped with annular array's operation symbol, the count dish on be equipped with eighty one recess, all cooperate in every recess and have a folding piece, the beneficial effects of the utility model are that: reasonable in design, simple structure can convenient and practical to can make things convenient for child's understanding directly perceived when improving child's interest, increase child to calculating the memory impression of pithy formula.

Description

Abacus for mathematics teaching

Technical Field

The utility model belongs to mathematics teaching aid field, concretely relates to counting frame for mathematical education.

Background

The existing teaching aid is when being directed at children with small school age, need improve children's interest at first, then can mobilize the initiative of its study, basic teaching to mathematics, present mathematical teaching aid on the market does not have too much teaching aid to interest, especially to the teaching of basic multiplication pithy formula, current teaching method is not directly perceived enough, can't make children carry out pithy formula and remember, so need an urgent mathematical teaching aid that can increase children's memory impression.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can increase child to abacus for mathematical education of the memory impression of pithy formula.

In order to achieve the purpose, the utility model adopts the technical proposal that the abacus for mathematical education comprises a chassis with adsorption function and a cover disc connected with the chassis through a shaft lever, a counting disc, a reset disc, an abacus and an initial disc which are penetrated by the shaft lever and gradually reduced in diameter are sequentially arranged between the chassis and the cover disc, the structure is characterized in that the initial disc and the reset disc are respectively provided with nine initial position marking grooves and reset marking grooves which are annularly arrayed, one to nine cartoon patterns are sequentially arranged in the nine initial position marking grooves and the reset marking grooves, the counting disc is provided with eighty grooves, each groove is matched with a folding sheet, display numbers are arranged on the back of each folding sheet, and cartoon figures with the same number as the display numbers on the back are arranged on the front of each folding sheet after the folding sheets are unfolded.

As a further improvement of the utility model, the operation symbol is a four-fundamental operation symbol.

As a further improvement, the cover plate is provided with a display opening for displaying the initial mark groove, the operation symbol and the reset mark groove, and the diameter of the cover plate is larger than the initial mark groove and smaller than the counting plate.

As a further improvement of the utility model, the cover plate is provided with an indicating needle which is arranged on the extension line of the display port arrangement.

As a further improvement of the utility model, the counting disc, the reset disc, the operation disc and the initial disc are provided with adjusting rods on the circumferential surface, and the ends of the adjusting rods are provided with lantern rings.

As a further improvement of the utility model, the cover plate is provided with positioning holes respectively corresponding to the counting plate, the reset plate, the operation plate and the initial position plate, and the positioning holes are internally matched with threaded ejector rods.

Compared with the prior art, the beneficial effects of the utility model are that: reasonable in design, simple structure can convenient and practical to can make things convenient for child's understanding directly perceived when improving child's interest, increase child to calculating the memory impression of pithy formula.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

the device comprises a base plate 1, a shaft rod 2, a cover plate 3, a counting plate 4, a reset plate 5, an operation plate 6, an initial position plate 7, an initial position marking groove 8, a reset marking groove 9, an operation symbol 10, a groove 11, a display opening 12, an indicating needle 13, an adjusting rod 14, a lantern ring 15 and a threaded ejector rod 16.

Detailed Description

The invention is further explained below with reference to the drawings and the embodiments without limiting the scope of the invention.

Referring to fig. 1 to 2, an abacus for mathematics teaching comprises a chassis 1 with adsorption function and a cover plate 3 connected with the chassis 1 through a shaft rod 2, wherein a counting plate 4, a reset plate 5, an operation plate 6 and an initial position plate 7 which are penetrated by the shaft rod 2 and have gradually reduced diameters are sequentially arranged between the chassis 1 and the cover plate 3, the initial position disk 7 and the reset disk 6 are respectively provided with nine initial position marking grooves 8 and reset marking grooves 9 which are annularly arrayed, one to nine cartoon patterns are sequentially arranged in the nine initial position marking grooves 8 and the reset marking grooves 9, the operation disk 6 is provided with an annular array of operation symbols 10, the operation symbols 10 are four operation symbols, the counting disc 4 is provided with eighty grooves 11, each groove 11 is internally matched with a folding sheet, the back of each folding sheet is provided with display numbers, and the front of each unfolded folding sheet is provided with cartoon figures with the same number as the display numbers on the back.

The cover disc 3 is provided with a display opening 12 for displaying an initial position mark groove 8, an operation symbol 10 and a reset mark groove 9, and the diameter of the cover disc 3 is larger than that of the initial position disc 7 and smaller than that of the counting disc 4; the number of cartoon patterns to be calculated can be visually seen through the display port 12, and the cover plate 3 is provided with an indicating needle 13 positioned on an extension line arranged on the display port 12; the result to be calculated is visually marked by the pointer 13.

The peripheral surfaces of the counting disc 4, the reset disc 5, the operation disc 6 and the initial position disc 7 are all provided with adjusting rods 14, and the tail ends of the adjusting rods 14 are provided with lantern rings 15; the counting disc 4, the reset disc 5, the operation disc 6 or the initial position disc 7 can be controlled to rotate by the lantern ring 15 and the adjusting rods 14, and the adjusting rods 14 are arranged in an annular array for balancing the stress.

The cover plate 3 is provided with positioning holes corresponding to the counting plate 4, the reset plate 5, the operation plate 6 and the initial position plate 7 respectively, and a threaded mandril 16 is matched in the positioning holes; after the initial position disk 7, the operation disk 6, the reset disk 5 and the counting disk 4 are rotated to required positions, the threaded mandril 16 is screwed to position the initial position disk, the operation disk, the reset disk and the counting disk, so that the sliding is avoided.

When the utility model is used, the chassis 1 can be adsorbed on the blackboard, then the initial position marking groove 8 and the reset marking groove 9 are moved to the display opening 12 of the cover plate 3 by rotating the initial position plate 7 and the reset plate 5, the operation sign 10 required by selection is displayed at the display opening 12 by rotating the operation plate 6, finally the calculated number is rotated to the position pointed by the indicating needle 13 by the rotation of the counting plate 4, the obtained accurate number can be rotated to the position pointed by the indicating needle 13, the number of the cartoon patterns can more intuitively reflect the number, for example, in the calculation process of 2X3 ═ 6, the initial position marking groove 8 with two cartoon patterns can be selected on the initial position plate 7, the reset marking groove 9 with three cartoon patterns can be selected on the reset plate 5, the X calculation sign can be selected on the operation plate 6, then the folding sheet marked with six numbers can be selected on the counting plate 4 to the position pointed by the indicating needle 13, and finally, after the folding sheets are unfolded, the memory of the children is increased by observing the number of the cartoon figures.

In addition, the utility model provides a folding piece can adopt any mode to fold, and folding piece adopts plastic film to make, and how to print cartoon figure on folding piece simultaneously is realized through the mode of punching press.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an abacus for mathematical education, including the chassis that has the adsorption function and the cover disk of being connected through the axostylus axostyle with the chassis, the chassis is equipped with in proper order between to the cover disk and is passed and the diameter of axostylus axostyle diminishes gradually counting dish, reset the dish, abacus and just a set dish, its characterized in that: the counting disc is provided with eighty grooves, each groove is internally matched with a folding sheet, the back surface of each folding sheet is provided with display numbers, and the front surface of each folding sheet after being unfolded is provided with cartoon patterns equal to the display numbers at the back surface.

2. The abacus for mathematics teaching as claimed in claim 1, wherein: the operation symbol is a four-fundamental operation symbol.

3. The abacus for mathematics teaching as claimed in claim 1, wherein: the cover disc is provided with a display opening for displaying the initial mark groove, the operation symbol and the reset mark groove, and the diameter of the cover disc is larger than that of the initial disc and smaller than that of the counting disc.

4. The abacus for mathematics teaching as claimed in claim 3, wherein: the cover disc is provided with an indicating needle positioned on the extension line of the display port arrangement.

5. The abacus for mathematics teaching as claimed in claim 1, wherein: the peripheral surfaces of the counting disc, the reset disc, the operation disc and the initial disc are all provided with adjusting rods, and the tail ends of the adjusting rods are provided with lantern rings.

6. The abacus for mathematics teaching as claimed in claim 1, wherein: the cover disc is provided with positioning holes corresponding to the counting disc, the reset disc, the operation disc and the initial position disc respectively, and threaded ejector rods are matched in the positioning holes.