CN2825035Y

CN2825035Y - Cube tangram

Info

Publication number: CN2825035Y
Application number: CN 200520118388
Authority: CN
Inventors: 傅起凤
Original assignee: BEIJING FANTASY 99 CULTURE COMMUNICATION Co Ltd
Current assignee: Beijing magic long cultural Communication Co., Ltd.
Priority date: 2005-09-12
Filing date: 2005-09-12
Publication date: 2006-10-11
Anticipated expiration: 2015-09-12

Abstract

The utility model relates to a cube tangram which is a solid geometry teaching aid and is a toy. The cube tangram comprises six groups of identical four-pyramid bodies, wherein each group of pyramid bodies is composed of seven different sharp tapered polyhedrons. Seven bottom surfaces are respectively seven plate patterns of a plane tangram. The pyramid bodies composed of the seven polyhedrons are all squares of which the bottom surfaces are formed by the splicing of tangrams. The bottom edges of four edges of each square is tilted upwards and extends upwards. Moreover, four arris edges are respectively and inwards tilted by 45DEG until a pyramid point forms a sharp pyramid body of four pyramid surfaces. Each surface of each block of the seven polyhedrons forms a tilted surface by the bottom edges and the pyramid point. With pyramid points of the six groups of identical four-pyramid bodies as a center, the surfaces of six squares are respectively arranged on an upper, a lower, a left, a right, a front and a back parts and are aggregated into a whole towards the center to form the cube tangram. The utility model can be used for cultivating the trifarious thinking and space imaginative power and the creativity of children and young people.

Description

The regular cube seven-piece puzzle

Technical field

The utility model relates to a kind of toy, teaching aid, and the regular cube seven-piece puzzle is specifically related to a kind of solid geometry building block system educational toy, teaching aid.

Background technology

China's seven-piece puzzle also claims the figure of Tang, is a kind of wide-spread jigsaw puzzles, and it is schemed to develop by swallow, is square thin plate branch is truncated into seven, composes and lay out into diversified figure, literal by these seven again.Now widespread in countries in the world.Seven-piece puzzle comprises two big triangles, an intermediate cam shape, two little triangles, a square and a parallelogram.Because it is simple light and handy and convertible infinite, as the intelligence development jigsaw puzzles, always is subjected to people and likes.But existing seven-piece puzzle is surface plate, can only make plane transformation, cultivates children's two dimension thinking and plane imagination.Still there is not three-dimensional seven-piece puzzle at present, thereby, aspect seven-piece puzzle cultivation children's three-dimensional thinking and space imagination, still belonging to blank.

The utility model content

Can only make plane transformation in order to overcome existing seven-piece puzzle, deficiency that can not the culture space thinking ability, the purpose of this utility model is: a kind of regular cube seven-piece puzzle is provided, this regular cube seven-piece puzzle is one six and is the regular cube piece on seven-piece puzzle plane, its part is three-dimensional plate, and it can cultivate children and teen-age three-dimensional thinking and space imagining ability.

The technical scheme that its technical problem that solves the utility model adopts is as follows:

The regular cube seven-piece puzzle, it comprises six groups of identical rectangular pyramid bodies, each group pyramid is by the A piece, the B piece, the C piece, the D piece, the E piece, the F piece, totally seven different sharp cone distal polyhedrons of G piece is formed, and each plane in 6 planes of described regular cube seven-piece puzzle all is the standard proportional of plane seven-piece puzzle, wherein the bottom surface of A piece is the intermediate cam shape in the standard seven-piece puzzle, the bottom surface of B piece and D piece is respectively two little triangles in the standard seven-piece puzzle, the bottom surface of C piece is the square in the standard seven-piece puzzle, the bottom surface of E piece is the parallelogram in the standard seven-piece puzzle, the F piece, the bottom surface of G piece is respectively two big triangles in the standard seven-piece puzzle; Each group pyramid of being made up of these seven polyhedrons is the square that the bottom surface is the seven-piece puzzle combination, with this foursquare four edges is that the base slopes inwardly and extends upward, and four seamed edge is inwardly made the taper of 45 ° of inclinations up to four conical surfaces of the pointed one-tenth of awl respectively, four faceted pebbles of this taper all with horizontal plane angle at 45, the vertex of a cone is 1/2 of the square length of side to the height of bottom surface vertically; In seven polyhedral each pieces, the one side that forms square four edges is 45 ° with the inclination angle of horizontal plane, and all the other each faces all form the inclined plane with the base and the awl cusp of this face, and each face all contacts with adjacent polyhedral adjacent surface; Awl point with these six groups identical rectangular pyramid bodies is the center, six facings is placed up, down, left, right, before and after respectively and be integral composition regular cube seven-piece puzzle to centralization.

Compared with prior art, the beneficial effects of the utility model are:

1, can culture space mind and imagination power

The utility model is by six groups, every group seven totally 42 polyhedrons form, six cone seven-piece puzzles are combined into by seven three-dimensional plates respectively, different with the splicing of existing plane, the utility model is 3 D spliced, making all cooperating correctly between each block and adjacent block could form stereo block all around, is a kind of interesting solid geometry toy and teaching aid.Normal this tool of playing can be cultivated children and teenager understanding and the interest to solid geometry.

2, cultivate creativity

Children and teenager often use this novel regular cube seven-piece puzzle, can temper the ability of its hand brain and usefulness, can cultivate children and teen-age three-dimensional thinking and space imagination and creativity.

3, temper observation, careful character cultivates patience

Stereo block of the present utility model and spheroid, the tangible three-dimensional shape of these appearance differences of cylinder are different, 42 polyhedrons of the present utility model are the sharp cone distal block, what have in the middle of them is identical, what have is close, finish splicing, must 42 tapers of profile difference with insignificance will be placed correct position to they correct differentiations and grouping, not a duck soup, thus children and teen-age observation ability and patient and painstaking character can be cultivated.

4, traditional seven-piece puzzle toy is weeded out the old and bring forth the new, make seven-piece puzzle brand-new spelling and rule occur.

Description of drawings

Fig. 1 is the monnolithic case stereogram of the utility model regular cube seven-piece puzzle

Fig. 2 is the stereogram of one group of pyramid

Fig. 3 is seven polyhedral perspective exploded view forming one group of pyramid

Among the figure, 1.A piece 2.B piece 3.C piece 4.D piece 5.E piece 6.F piece 7.G piece 8. pyramids

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further specified.

Figure 1 shows that an embodiment of the utility model regular cube seven-piece puzzle, this regular cube seven-piece puzzle comprises six groups of identical rectangular pyramid bodies, each group rectangular pyramid body 8 as shown in Figure 2, each group rectangular pyramid body by A piece 1, B piece 2, C piece 3, D piece 4, E piece 5, F piece 6, G piece 7 totally seven different sharp cone distal polyhedrons form, six groups comprise 42 sharp cone distal polyhedrons altogether.Each plane in 6 planes of this regular cube seven-piece puzzle all is the standard proportional of plane seven-piece puzzle, wherein the bottom surface of A piece 1 is the intermediate cam shape in the standard seven-piece puzzle, the bottom surface of B piece 2 and D piece 4 is respectively two little triangles in the standard seven-piece puzzle, the bottom surface of C piece 3 is the square in the standard seven-piece puzzle, the bottom surface of E piece 5 is the parallelogram in the standard seven-piece puzzle, the bottom surface of F piece 6 and G piece 7 is respectively two big triangles in the standard seven-piece puzzle, and seven polyhedral bottom surfaces can be combined into a square.These seven polyhedral shapes are determined by following: with square as the bottom surface, then in each piece in seven polyhedrons, the one side that forms square four edges extend upward and with horizontal plane angle at 45 in tilt, simultaneously, the dual-side that extends is inwardly done 45 ° of inclinations respectively until intersecting to form the awl point, for example the hypotenuse of parallel edges in the outside of the hypotenuse of two right-angle sides of A piece 1, B piece 2, E piece 5 and F piece 6, G piece 7 all extends upward by this and forms the sharp cone distal inclined-plane.Two right-angle sides of two right-angle sides of three limits of the four edges of C piece 3, D piece 4 and the hypotenuse of A piece 1, B piece 2, its excess-three bar limit of E piece 5, F piece 6, G piece 7 are the base with this limit all, to bore point is that the summit forms the sharp cone distal inclined-plane, and seven polyhedrons of Xing Chenging as shown in Figure 3 like this.When square was formed in these seven polyhedral bottom surfaces, each of these square four limits was towards interior inclination at 45, and all the other each faces all contact with adjacent polyhedral adjacent surface, form one group of rectangular pyramid body 8 shown in Figure 2.This rectangular pyramid body 8 is 1/2 of the square length of side to the height of bottom surface vertically from the vertex of a cone.Awl point with six groups of identical rectangular pyramid bodies is the center, and six rectangular pyramid bodies are pegged graft to centralization from the up, down, left, right, before and after six direction, the utility model regular cube seven-piece puzzle that promptly to form six faces be the seven-piece puzzle plane.

The utility model regular cube seven-piece puzzle can have the various fixed mode when splicing.For example, make a box that box body is shallow, lid is dark by cubical size, during splicing, risk earlier the rectangular pyramid body on the bottom surface in box body, upwards splicing successively after splicing is finished, covers lid again.Also can insert some thin cylinders at the edge of the suitable dull and stereotyped upper edge square of a block size, for example each inserts one at four angles, and each inserts one the centre of four edges, risks the rectangular pyramid body on the bottom surface on the flat board in cylinder earlier, upwards splicing successively covers at last again.

The utility model is suitable for becoming per capita children.When the adult uses, 42 polyhedrons can be made with a kind of color.When children are spliced,, six groups of pyramids can be made six kinds of different colors, or seven polyhedrons are made seven kinds of different colors in order to reduce difficulty and to increase interest.

Claims

1, the regular cube seven-piece puzzle, it is characterized in that: it comprises six groups of identical rectangular pyramid bodies, each group pyramid is by the A piece, the B piece, the C piece, the D piece, the E piece, the F piece, totally seven different sharp cone distal polyhedrons of G piece is formed, and each plane in 6 planes of described regular cube seven-piece puzzle all is the standard proportional of plane seven-piece puzzle, wherein the bottom surface of A piece is the intermediate cam shape in the standard seven-piece puzzle, the bottom surface of B piece and D piece is respectively two little triangles in the standard seven-piece puzzle, the bottom surface of C piece is the square in the standard seven-piece puzzle, the bottom surface of E piece is the parallelogram in the standard seven-piece puzzle, the F piece, the bottom surface of G piece is respectively two big triangles in the standard seven-piece puzzle; It is the seven-piece puzzle square that each group pyramid of being made up of these seven polyhedrons is the bottom surface, with this foursquare four edges is that the base slopes inwardly and extends upward, and four seamed edge is inwardly made the taper of 45 ° of inclinations up to four conical surfaces of the pointed one-tenth of awl respectively, four faceted pebbles of this taper all with horizontal plane angle at 45, the vertex of a cone is 1/2 of the square length of side to the height of bottom surface vertically; In seven polyhedral each pieces, the one side that forms square four edges is 45 ° with the inclination angle of horizontal plane, and all the other each faces all form the inclined plane with the base and the awl cusp of this face, and each face all contacts with adjacent polyhedral adjacent surface; Awl point with these six groups identical rectangular pyramid bodies is the center, six facings is placed up, down, left, right, before and after respectively and be integral composition regular cube seven-piece puzzle to centralization.