CN203108172U - Magic cube with high fault tolerance - Google Patents

Abstract

A magic cube with a high fault tolerance comprises a three-dimensional connecting shaft, six center blocks, corner blocks and a plurality of edge blocks, wherein the three-dimensional connecting shaft is provided with six shaft heads. The inner side end of each edge block is provided with a clamping piece and clamping grooves which are formed in the outer side of each clamping piece and used for the corner blocks adjacent to each edge block to be inserted. Each center block is provided with stopping portions used for preventing the adjacent edge blocks from moving outward. Each clamping piece is composed of two side walls, the end portions of the two side walls respectively form an inclined face inclining to the middle of the end portion of each clamping piece, two inclined faces at each end of each clamping piece intersect on the end portion of each clamping piece to form a pressing end, and the pressing ends are used for exerting reset stress enabling malposed edge blocks to reset on the inclined faces on the side faces of the pressing ends adjacent to the pressing ends when the magic cube rotates in a malposed mode. Compared with an existing magic cube, the fault tolerance of the magic cube is improved, sticking phenomena of the magic cube during high-speed rotation are avoided, and therefore the magic cube can meet use requirements in competitions.

Description

Has the magic square than high fault tolerance

Technical field

The utility model relates to a kind of puzzle, is specifically related to a kind of magic square that has than high fault tolerance.

Background technology

Magic square has higher popularity rate as a kind of toy of tap intellectual resources, even some professional athletic competitions occurred.

The most popular magic square is three rank magic squares, its main body is cube structure, comprise 26 blockages and a three-dimensional connecting axle composition, blockage comprises six central blocks that lay respectively at each face center of magic square, eight hornblocks that are positioned at the magic square vertex angle part, 12 rib pieces that lay respectively between the two adjacent hornblocks, like this, each face of magic square is nine blockages, rotational characteristic based on three-dimensional connecting axle, each layer of magic square is all free to rotate, changes the position of blockage by the rotation of layer.Different colours is all arranged on the blockage of each face of magic square, under reset condition, the color of nine blockages is identical in each face of magic square, after upsetting the color alignment of each face, spatial thinking ability and memory by people, magic square is returned to reset condition, reach the purpose of tempering thinking and amusement.

The magic square that in athletic competition, uses; usually require to have comparatively good performance; for example; fault-tolerance has become the important indicator whether magic square can be applied to athletic competition; fault-tolerance refers to that specifically magic square is under the situation of not exclusively alignment; the flexibility that can be rotated further; because in athletic competition; it is higher that the entrant rotates the speed of magic square; therefore; usually can occur rotating not in place or the excessive dislocation that causes of rotational angle, in this case, if the fault-tolerance of magic square is good inadequately; will have a strong impact on the speed of subsequent rotation; the entrant's who also just seriously influences achievement, very difficult actual response goes out entrant's competitiveness, the fairness of influence match.

Publication number is to disclose a kind of high fault-tolerant magic square in the patent documentation of CN201454048, it is that middle piece, the rib piece at magic square, each seamed edge of hornblock arrange scarf, interference in reducing in relative rotation between piece, rib piece and the hornblock, make this magic square have certain fault-tolerance than traditional magic square, but because it does not improve the magic square internal structure, its fault-tolerance is comparatively limited, still is difficult to satisfy the instructions for use of athletic competition.

The utility model content

At the deficiencies in the prior art, the purpose of this utility model is intended to provide a kind of magic square that has than high fault tolerance, can satisfy the instructions for use of athletic competition.

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

Has the magic square than high fault tolerance, this magic square is square, comprise the three-dimensional connecting shaft with six spindle noses, be installed in each spindle nose outboard end of three-dimensional connecting shaft respectively and be positioned at six central blocks in each face centre position of magic square, be positioned at the hornblock of magic square vertex angle part, a plurality of rib pieces, the medial extremity of rib piece is provided with one and clamps sheet and be positioned at the card holding trough that clamps the sheet outside confession hornblock inboard insertion adjacent with the rib piece, have on the central block and prevent the outside position-arresting part that moves of the rib piece that is adjacent, clamp sheet and comprise the two side, the end of two side forms one respectively towards clamping the inclined-plane that centre position, sheet end tilts, and clamp two inclined-planes of each end of sheet at compacting end of the end intersection formation that clamps sheet, the compacting end applies the stress that resets that makes dislocation rib block reset for the inclined-plane to the compacting end side surface that is adjacent when the magic square dislocation is rotated.

The inboard of hornblock has an arc-like sheet that is embedded in the card holding trough, and clamping the lateral surface of sheet and the medial surface of arc-like sheet is the arcwall face that slides over each other and cooperate.

Position-arresting part is the stop bit cambered surface that is positioned at the central block inboard, and the side of rib piece has the mounting part of evagination, and the mounting part of rib piece is mounted on the inboard of the stop bit cambered surface of the central block adjacent with this rib piece.

The beneficial effects of the utility model are:

Than existing magic square, the utility model clamps sheet inner setting of rib piece, when rotate in the magic square dislocation adjacent card load end, can interfere with each other, make the dislocation face of magic square reset to aligned condition, improved the fault-tolerance of magic square, avoided magic square when high-speed rotation, stuck phenomenon to occur, made magic square can satisfy the instructions for use of athletic competition.

Description of drawings

Fig. 1 is the structural representation of the utility model magic square;

Fig. 2 is the structural representation of magic square rib piece among Fig. 1;

Fig. 3 is the assembling schematic diagram of magic square adjacent center piece, hornblock, rib piece among Fig. 1;

Fig. 4 turns to the schematic diagram of dislocation state for the utility model magic square;

Fig. 5 turns to the interior views of dislocation state for the utility model magic square;

Wherein: 10, central block; 11, stop bit cambered surface; 20, rib piece; 21, clamp sheet; 211, sidewall; 212, inclined-plane; 213, compacting end; 22, card holding trough; 23, mounting part; 20 ', rib piece; 213 ', compacting end; 30, hornblock; 31, arc-like sheet.

The specific embodiment

Below, by reference to the accompanying drawings and the specific embodiment, the utility model is described further:

As shown in Figure 1, 2, 3, magic square of the present utility model is cube-shaped, it comprises the three-dimensional connecting shaft (not shown) with six spindle noses, be installed in respectively three-dimensional connecting shaft each spindle nose outboard end and be positioned at six central blocks 10 in each face centre position of magic square, be positioned at the hornblock 30 of magic square vertex angle part, and a plurality of rib piece 20.Identical with the magic square of prior art, the above-mentioned central block 10 of the utility model magic square, hornblock 30 and rib piece 20 all are slidingly matched.The medial extremity of rib piece 20 is provided with and clamps sheet 21 and be positioned at the card holding trough 22 that clamps sheet 21 outsides, clamp sheet 21 and comprise two side 211, the end of two sidewalls 211 forms one respectively towards clamping the inclined-plane 212 that centre position, sheet 21 end tilts, and being positioned at two inclined-planes 212 clamping sheet 21 same ends crosses and forms a compacting end 213 clamping sheet 21 ends, when magic square is in aligned condition, a plurality ofly clamp sheet 21 regular distribution in a sphere, and each clamps sheet 21 mutually noninterferes.

Referring to Fig. 4, shown in 5, when magic square is in the dislocation state, namely the level course A1 in the diagram rotates not in place, itself and level course A2, level course A3 exists one to rotate angle, at this moment, rotating vertically, layer B1 stuck phenomenon can not occur, concrete principle is, when level course A1 turns to state not in place shown in Figure 4, rib piece 20 inside on it clamp sheet 21 with respect to aligned condition the time turn over certain angle, at this moment, rib piece 20 medial extremitys on the level course A1 clamp sheet 21 namely with respect to aligned condition the time have an angle, vertically the rib piece 20 ' on the layer B1 is in aligned condition, when magic square is in state shown in Figure 4, rib piece 20 medial extremitys just in time are in the outside of the compacting end 213 ' of rib piece 20 ' end near the inclined-plane 212 of rib piece 20 ' one side, and inclined-plane 212 just in time holds 213 ' with compacting, do not exist mutual interference this moment its two, just can not produce interaction force yet, when rotating vertical layer of B1, inclined-plane 212 on the rib piece 20 contacts with each other and produces relative motion when rotating with the compacting end 213 ' of rib piece 20 ', compacting end 213 ' is the outboard end that slid into inclined-plane 212 by the medial extremity on inclined-plane 212 with respect to the track of inclined-plane 212 motions, in this process, the compacting end 213 ' of rib piece 20 ' produces a level pressure power to inclined-plane 212, thereby, make rib piece 20 backward rotation, when compacting end 213 ' turns to the outboard end on inclined-plane 212, it separates (namely breaking away from rib piece 20) with inclined-plane 212, at this moment, rib piece 20 is just in time got back to aligned condition, above-mentionedly only exist the rib piece 20 of interference effect and rib piece 20 ' to illustrate fault-tolerance of the present utility model mutually by two, when the magic square dislocation is rotated, the rib piece 20 that can exist many groups to interfere mutually interacts simultaneously magic square is resetted, its structure and operating principle are same as described above, do not do being repeated in this description here.

Fig. 1,3 for another example, the inboard of the hornblock 30 of above-mentioned magic square has an arc-like sheet 31, and this arc-like sheet 31 is installed in the card holding trough 22 of the rib piece 20 that is adjacent, and clamping the lateral surface of sheet 21 and the medial surface of arc-like sheet 31 is the arcwall face that slides over each other and cooperate; Has one position-arresting part on the central block 10, this position-arresting part is the stop bit cambered surface 11 that is positioned at central block 10 inboards, the side of rib piece 20 has the mounting part 23 of an evagination, the mounting part 23 of rib piece 20 mounts the inboard of the stop bit cambered surface 11 of central block 10 inboards that are that this rib piece 20 is adjacent, so, can prevent effectively that magic square from falling apart.

To one skilled in the art, can make other various corresponding changes and deformation, and these all changes and deformation should belong within the protection domain of the utility model claim all according to technical scheme described above and design.

Claims (3)

1. has the magic square than high fault tolerance, this magic square is square, it is characterized in that, comprise the three-dimensional connecting shaft with six spindle noses, be installed in each spindle nose outboard end of three-dimensional connecting shaft respectively and be positioned at six central blocks in each face centre position of magic square, be positioned at the hornblock of magic square vertex angle part, a plurality of rib pieces, the medial extremity of rib piece is provided with one and clamps sheet and be positioned at the card holding trough that clamps the sheet outside confession hornblock inboard insertion adjacent with the rib piece, have on the central block and prevent the outside position-arresting part that moves of the rib piece that is adjacent, clamp sheet and comprise the two side, the end of two side forms one respectively towards clamping the inclined-plane that centre position, sheet end tilts, and clamp two inclined-planes of each end of sheet at compacting end of the end intersection formation that clamps sheet, the compacting end applies the stress that resets that makes dislocation rib block reset for the inclined-plane to the compacting end side surface that is adjacent when the magic square dislocation is rotated.

2. the magic square that has than high fault tolerance as claimed in claim 1 is characterized in that, the inboard of hornblock has an arc-like sheet that is embedded in the card holding trough, and clamping the lateral surface of sheet and the medial surface of arc-like sheet is the arcwall face that slides over each other and cooperate.

3. the magic square that has than high fault tolerance as claimed in claim 1, it is characterized in that, position-arresting part is the stop bit cambered surface that is positioned at the central block inboard, and the side of rib piece has the mounting part of evagination, and the mounting part of rib piece is mounted on the inboard of the stop bit cambered surface of the central block adjacent with this rib piece.

Images