CN211302044U

CN211302044U - Magic cube

Info

Publication number: CN211302044U
Application number: CN201922346011.6U
Authority: CN
Inventors: 江惠芝
Original assignee: Individual
Current assignee: Guangdong Yongjun Technology Industry Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-08-21
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a magic cube, relating to the technical field of educational toys. The device comprises a central shaft bracket and square blocks, wherein two adjacent square blocks are movably clamped; the square blocks comprise a central rotating block, an eccentric adding block, a central edge block, an eccentric edge block and an angle block; the central shaft bracket comprises six cylinders which are fixedly connected with each other, and the six cylinders are respectively fixed with the central rotating blocks on the six surfaces of the magic cube through fixing pieces; the central rotating block comprises a top cover, a groove and an arc-shaped plate, the top cover is fixed at the opening at the top of the groove, the arc-shaped plate is fixed at the bottom of the groove, and the arc-shaped plate is movably clamped with the eccentric rotating block and the eccentric adding block respectively; an accommodating cavity for accommodating the central shaft bracket is formed among the eccentric rotating block, the eccentric adding block, the central edge block, the eccentric edge block and the corner block. The novel high-order magic cube can effectively release the internal space of the magic cube, further reduces the containing cavity of the central shaft frame to the limit, reduces the moment of the rotating effect of the magic cube, and improves the overall stability and fault-tolerant performance of the whole high-order magic cube.

Description

Magic cube

Technical Field

The utility model relates to a toy technical field benefits intelligence, specifically speaking relates to a magic cube.

Background

The magic Cube, known in English as Rubik's Cube, is also called a Rubik Cube. The magic cube refers to a three-order magic cube in the narrow sense, and the three-order magic cube is generally in a cube shape and is made of elastic hard plastic. The racing play method is to break up the magic cube and then recover in the shortest time. In a broad sense, the magic cube can refer to various geometric bodies which can be disorganized and restored through rotation. The magic cube, the Huarongdao and the independent diamond chess are called three major inquiries of the intellectual game world by foreign intellectual experts together, and the welcome degree of the magic cube is the wonderful trace of the intellectual game world.

Compared with two third-order magic cubes, the high-order magic cube is more challenging and interesting. However, because of the limitation of large size, the conventional high-order magic cube cannot be designed with a large-size inner circle structure to support the stability of the whole high-order magic cube for preventing the scattering.

The five-step magic cube is a high-order magic cube in a cubic structure of 5 × 5 × 5, and has 8 corner blocks, 36 side blocks (of two types) and 54 central blocks (48 movable blocks and 6 fixed blocks). However, the conventional five-step structure of the five-step magic cube has too narrow space in the central column.

Therefore, it is of great significance to design a high-order magic cube with better stability.

SUMMERY OF THE UTILITY MODEL

To the technical problem who exists among the prior art, the utility model aims at: the magic cube can effectively release the internal space of the magic cube, further reduce the containing cavity of the central shaft frame to the limit, reduce the moment of the rotating action of the magic cube, and improve the overall stability and fault-tolerant performance of the whole high-order magic cube.

The purpose of the utility model is realized through the following technical scheme: the magic cube comprises a central shaft bracket and square blocks, wherein the central shaft bracket is positioned in the center of the magic cube, the square blocks are positioned on the surface of the magic cube, and two adjacent square blocks are movably clamped and connected;

the square blocks comprise a central rotating block, an eccentric adding block, a central edge block, an eccentric edge block and an angle block;

the central shaft bracket comprises six cylinders which are fixedly connected with each other, and the six cylinders are respectively fixed with the central rotating blocks of the six surfaces of the magic cube through fixing pieces; the central rotating block comprises a top cover, a groove and an arc-shaped plate, the top cover is fixed with an opening at the top of the groove, the arc-shaped plate is fixed with the bottom of the groove, and the arc-shaped plate is movably clamped with the eccentric rotating block and the eccentric adding block respectively;

the central prism block, the eccentric rotating block and the central rotating block are sequentially adjacent, and the central line of the central prism block and the central line of the eccentric rotating block are respectively superposed with the central line of the central rotating block;

the corner block, the eccentric adding block and the central rotating block are sequentially adjacent, and the diagonal line of the eccentric adding block and the central line of the corner block are respectively superposed with the diagonal line of the central rotating block;

the eccentric edge block is positioned between the corner block and the central edge block;

the eccentric rotating block, the eccentric adding block, the central edge block, the eccentric edge block and the corner block form a containing cavity for containing the central shaft bracket.

In the magic cube, the eccentric rotating block comprises a top plate, a first arc-shaped groove and a first extending table, the top plate is fixed with an opening at the top of the first arc-shaped groove, and the first extending table is fixed with the bottom of the first arc-shaped groove;

the eccentric adding block comprises a cover plate, a second arc-shaped groove and a second extending table, the cover plate is fixed to an opening at the top of the second arc-shaped groove, and the second extending table is fixed to the bottom of the second arc-shaped groove;

the first extension table of the eccentric rotating block is movably clamped with the second extension table of the eccentric adding block.

In the magic cube, the first extension table is provided with an extension plate, and the second extension table is provided with an inserting plate groove;

the extension plate of the first extension table is movably clamped with the inserting plate groove of the second extension table.

In the magic cube, a first groove is formed in a first extending table of the eccentric rotating block, and the eccentric rotating block is sleeved on the arc-shaped plate through the first groove.

In the magic cube, a second groove is formed in a second extending table of the eccentric adding block, and the eccentric adding block is sleeved on the arc-shaped plate through the second groove.

In the magic cube, the central prism block comprises a first square plate and a first extension groove, and the first square plate is fixed with an opening at the top of the first extension groove;

the eccentric edge block comprises a second square plate and a second extension groove, the second square plate is fixed with an opening at the top of the second extension groove, and a clamping groove is formed in the extension end of the second extension groove;

the corner block comprises a third square plate, a third extending groove and a supporting piece, the third square plate is fixed to an opening at the top of the third extending groove, one end of the supporting piece is fixed to the bottom of the third extending groove, the other end of the supporting piece abuts against the arc-shaped plate, and the accommodating cavity is formed between the supporting piece and the arc-shaped plate;

the first extending groove of the central edge block is movably clamped with the clamping groove of the eccentric edge block through a clamping piece, and two ends of the clamping piece are fixed with the two adjacent arc-shaped plates respectively;

the supporting piece is movably clamped with the second extending groove.

In the magic cube, the central part of the card extends outwards to form a support plate, one end of the support plate is provided with a protrusion, and the protrusion extends into the accommodating cavity.

In the magic cube, the support piece comprises a support rod and a triangular groove, one end of the support rod is fixed with the bottom of the triangular groove, the other end of the support rod extends into the third extending groove and is fixed, the side wall of the triangular groove is respectively abutted against the support piece and the arc-shaped plates, and the triangular groove, the support piece and the arc-shaped plates form the accommodating cavity.

In the magic cube, the other end of the supporting rod is provided with a fixing rod, and the fixing rod is vertically fixed with the supporting rod.

In the magic cube, the fixing piece is a bolt, a threaded hole is formed in one end of the cylinder, a through hole is formed in one end of the center block, and the bolt penetrates through the through hole and is connected with the threaded hole.

The utility model discloses for prior art have following advantage and effect:

in the magic cube, the central shaft bracket is matched with the square block, so that the internal space of the magic cube is fully released, the accommodating cavity of the central shaft bracket is further reduced to the limit, the moment of the rotating action of the magic cube is reduced, and the overall stability and fault-tolerant performance of the whole high-order magic cube are improved; meanwhile, due to the arrangement of the arc-shaped plate in the central rotating block, the eccentric rotating block and the eccentric adding block close to the central part of the magic cube can rotate more smoothly.

Drawings

Figure 1 is a schematic view of the construction of a puzzle;

FIG. 2 is a schematic structural view of a center pedestal;

FIG. 3 is a schematic structural diagram of a center rotating block;

FIG. 4 is another schematic structural view of a center rotating block;

FIG. 5 is a schematic view of the structure of the eccentric rotating block and the eccentric adding block;

FIG. 6 is a schematic view of the structure of the central rib, the eccentric rib and the corner block;

FIG. 7 is a schematic view of the configuration of the arcuate plate engaging the card;

FIG. 8 is a schematic view of a card construction;

FIG. 9 is a schematic view of the structure of the support rod engaged with the corner block;

fig. 10 is a schematic structural view of the support bar.

Description of the drawings: 1. a central pedestal; 11. a cylinder; 2. a central rotating block; 21. a groove; 22. an arc-shaped plate; 3. an eccentric rotating block; 31. a first arc-shaped slot; 32. a first extension stage; 321. an extension plate; 4. eccentric adding blocks; 41. a second arc-shaped slot; 42. a second extension stage; 421. a board inserting groove; 5. a central prism block; 51. a first extension groove; 52. a card; 521. a support plate; 522. a protrusion; 53. a built-in plate; 6. an eccentric prism block; 61. a second extension groove; 62. a card slot; 7. a corner block; 71. a third extension groove; 72. a support member; 721. a support bar; 722. a triangular groove; 723. and (5) fixing the rod.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

The magic cube of the present embodiment, as shown in fig. 1, includes a central shaft bracket 1 and two blocks, wherein the central shaft bracket 1 is located in the center of the magic cube, the blocks are located on the surface of the magic cube, and two adjacent blocks are movably clamped. The central shaft bracket 1 plays a role of matching the stability of the square block during rotation on one hand and playing a role of a central support on the other hand. The square blocks are the common magic cube blocks of the magic cube and form the outer surface of the whole magic cube.

As shown in fig. 1, taking a quintic magic cube as an example, the cube includes a central rotating block 2, an eccentric rotating block 3, an eccentric adding block 4, a central prism block 5, an eccentric prism block 6 and a corner block 7. The central prism block 5, the eccentric rotating block 3 and the central rotating block 2 are adjacent in sequence, the central line of the central prism block 5 and the central line of the eccentric rotating block 3 are respectively superposed with the central line of the central rotating block 2, the central prism block 5, the eccentric rotating block 3 and the central rotating block 2 are positioned on the same plane, and the three can rotate together. Wherein the corner block 7 the eccentric piece 4 of adding, the center commentaries on classics piece 2 is adjacent in proper order, the eccentric piece 4 of adding the diagonal line the corner block 7 the central line respectively with the center commentaries on classics piece 2's diagonal coincidence, eccentric arris piece 6 is located corner block 7 with between the central arris piece 5, such mode of setting for corner block 7, eccentric arris piece 6, central arris piece 5 are in on the coplanar, and the three can rotate together to make another plane also can realize rotating, specifically be eccentric arris piece 6, the eccentric piece 4 of adding, the coplanar that eccentric commentaries on classics piece 3 located. The arrangement of the central rotating block 2, the eccentric rotating block 3, the eccentric adding block 4, the central edge block 5, the eccentric edge block 6 and the corner block 7 can meet the normal rotating requirement of the magic cube.

As shown in fig. 2, the central shaft bracket 1 includes six cylinders 11 fixedly connected to each other, the six cylinders 11 are respectively fixed to the central rotating blocks 2 of the six surfaces of the magic cube by fixing members, and the cylinders 11 are fixedly connected to the central rotating blocks 2 of each surface of the magic cube, so as to realize the function of central positioning when the magic cube rotates.

As shown in fig. 3 and 4, the central rotating block 2 comprises a top cover, a groove 21 and an arc-shaped plate 22, the top cover is fixed to the opening at the top of the groove 21, the arc-shaped plate 22 is fixed to the bottom of the groove 21, and the arc-shaped plate 22 is movably clamped with the eccentric rotating block 3 and the eccentric adding block 4 respectively. Center commentaries on classics piece 2 plays key effect when the magic cube rotates, and five rank structural space too narrow shortcomings of center post traditional relatively, the setting mode of lower extreme center post is then cancelled in this application, shifts up the center post, but the area of contact of increase center lower extreme has fully released inside card foot space, lets inside card foot contact surface carry out a longer more extensive extension, stability when guaranteeing to rotate to powerful fault-tolerant capability when providing the magic cube and rotating reduces the deformation volume of magic cube. Furthermore, the central rotating block 2 is indirectly movably clamped with the eccentric rotating block 3 and the eccentric adding block 4 through the arc-shaped plate 22, so that the smoothness of the magic cube during rotation is improved.

In addition, an accommodating cavity for accommodating the central shaft bracket 1 is formed among the eccentric rotating block 3, the eccentric adding block 4, the central edge block 5, the eccentric edge block 6 and the corner block 7. Because of the limitation of large size, a large-size inner circle structure cannot be designed for preventing the scattered frames from supporting the stability of the whole high-order magic cube; the five-order magic cube structure has the advantages that the central shaft frame 1 of the small axis and the central column are used for moving upwards, the accommodating cavity of the inner circle structure is reduced to the limit diameter of 26mm, the integral rotating action torque of the magic cube is smaller, the magic cube rotates lightly and smoothly, and better fault-tolerant performance is brought. The containing cavity of the inner circle structure can be derived to a magic cube with a five-order, a six-order and a more than seven-order structure.

In the magic cube, the central shaft bracket 1 is matched with the square block, so that the internal space of the magic cube is fully released, the accommodating cavity of the central shaft bracket 1 is further reduced to the limit, the moment of the rotating action of the magic cube is reduced, and the overall stability and fault-tolerant performance of the whole high-order magic cube are improved; meanwhile, the arc-shaped plate 22 in the central rotating block 2 enables the eccentric rotating block 3 and the eccentric adding block 4 which are close to the central part of the magic cube to rotate more smoothly.

Further, as shown in fig. 5, the eccentric rotating block 3 includes a top plate, a first arc-shaped groove 31 and a first extending table 32, the top plate is fixed to an opening at the top of the first arc-shaped groove 31, and the first extending table 32 is fixed to the bottom of the first arc-shaped groove 31. Eccentric interpolation piece 4 includes apron, second arc wall 41 and second extension platform 42, the apron with the top opening part of second arc wall 41 is fixed, second extension platform 42 with the bottom of second arc wall 41 is fixed. Eccentric commentaries on classics piece 3 is located between two adjacent eccentric interpolation blocks 4, and for the better cooperation rotation demand, eccentric commentaries on classics piece 3 all sets up the arc wall with eccentric interpolation block 4, and for the cooperation of the chamber that holds at better and magic cube center, eccentric commentaries on classics piece 3 all sets up the extension platform with eccentric interpolation block 4.

Further, the first extending platform 32 of the eccentric rotating block 3 is movably clamped with the second extending platform 42 of the eccentric adding block 4. Specifically, as shown in fig. 5, an extension plate 321 is disposed on the first extension stage 32, and an insertion plate slot 421 is disposed on the second extension stage 42; the extension board 321 of the first extension stage 32 is movably clamped with the board insertion groove 421 of the second extension stage 42. The clamping component is adopted to realize movable clamping of the two eccentric adding blocks 4 at intervals and the middle eccentric rotating block 3; when the magic cube rotates, the matched clamping components play a role in limiting and sliding contact, so that the eccentric rotating block 3 and the eccentric adding block 4 can smoothly rotate, the fault-tolerant probability of the eccentric rotating block 3 and the eccentric adding block 4 is reduced, and the entertainment of the magic cube is improved.

For further eccentric commentaries on classics piece 3 and eccentric rotational stability and the smooth and easy nature that adds piece 4, first recess has been seted up on eccentric commentaries on classics piece 3's the first platform 32 that extends, eccentric commentaries on classics piece 2 passes through first recess cup joints on the arc 22, the second recess has been seted up on eccentric second extension platform 42 that adds piece 4, eccentric adding piece 4 passes through the second recess cup joints on the arc 22. The first extension platform 32 of piece 3 and the second extension platform 42 of eccentric piece 4 that adds are inlayed respectively to arc 22 on, can regard as the partly that holds the chamber outer wall, improve the stability that holds the chamber for eccentric piece 3 and eccentric piece 4 and the central piece 2 of adding form an interactive cooperation body.

Further, as shown in fig. 6, the central prism block 5 includes a first square plate and a first extension groove 51, and the first square plate is fixed to the top opening of the first extension groove 51. As shown in fig. 6, the eccentric prism block 6 includes a second square plate and a second extending groove 61, the second square plate is fixed to the opening of the top of the second extending groove 61, and a clamping groove 62 is further formed at the extending end of the second extending groove 61. As shown in fig. 6, the corner block 7 includes a third square plate, a third extending groove 71 and a supporting member 72, the third square plate is fixed to an opening at the top of the third extending groove 71, since the corner block 7 is farthest from the central shaft bracket 1, the supporting member 72 needs to be added, one end of the supporting member 72 is fixed to the bottom of the third extending groove 71, the other end of the supporting member 72 abuts against the arc-shaped plate 22, and the accommodating cavity is formed between the supporting member 72 and the arc-shaped plate 22. In addition, support piece 72 and the second of eccentric arris piece 6 extend between the groove 61 activity joint in the angle piece 7, realize effective cooperation between angle piece 7 and the eccentric arris piece 6 that closes on, improved the rotational stability of angle piece 7. Center arris piece 5 is located between two spaced eccentric arris pieces 6, can adopt card 52 to support fixedly between center arris piece 5 and the eccentric arris piece 6, because set up draw-in groove 62 on the second extending groove 61 of eccentric arris piece 6, center arris piece 5 first extending groove 51 with pass through between the draw-in groove 62 of eccentric arris piece 6 card 52 activity joint, when the magic cube rotated, with the help of draw-in groove 62 and card 52 relative slip between center arris piece 5 and the eccentric arris piece 6, reduced the frictional resistance between the outermost square of magic cube, and further realized the firm spacing between eccentric arris piece 6 and the center arris piece 5 through draw-in groove 62 and card 52. As shown in fig. 7, at the same time, both ends of the clamping piece 52 are respectively fixed with the two adjacent arc-shaped plates 22, and the cooperation between the supporting piece 72 and the arc-shaped plates 22 makes the central rib 5, the eccentric rib 6 and the corner block 7 participate in the construction of the outer wall of the accommodating cavity by means of the clamping piece 52, so that the rotational stability among the central rib 5, the eccentric rib 6 and the corner block 7 is also improved.

Specifically, as shown in fig. 8, a central portion of the card 52 extends outward to form a support plate 521, one end of the support plate 521 is provided with a protrusion 522, and the protrusion 522 extends into the accommodating cavity. The support plate 521 is arranged so that the protrusion 522 left in the accommodating cavity has a limiting effect, and the farthest corner block 7 is prevented from being separated from the magic cube in the rotating process. In addition, as shown in fig. 8, an embedded plate 53 is further formed to extend outward from the other side of the central portion of the card 52, and the embedded plate 52 enables the card 52 to be effectively combined with the central rib 5, thereby improving the stability of the combination of the two.

Further, as shown in fig. 9 and 10, the supporting member 72 includes a supporting rod 721 and a triangular groove 722, the triangular groove 722 is actually an arc-shaped cover groove, one end of the supporting rod 721 is fixed to the bottom of the triangular groove 722, the other end of the supporting rod 721 extends into and is fixed to the third extending groove 71, the side wall of the triangular groove 722 abuts against the supporting member 721 and the arc-shaped plate 22, and the triangular groove 722, the supporting member 721 and the arc-shaped plate 22 form the accommodating cavity. The support bars 721 and the triangular grooves 722 are arranged so that the corner blocks 7 are matched with the outer wall of the accommodating cavity, and the stability of the corner blocks 7 at the farthest ends in rotation is further enhanced.

Specifically, as shown in fig. 10, the other end of the supporting rod 721 is provided with a fixing rod 723, and the fixing rod 723 is vertically fixed to the supporting rod 721. The number of the fixing rods 723 may be set to be plural, for example, three fixing rods 723, and the fixing rods 723 extend into the inside of the corner block 7 to effectively fix the supporting rod 721 and the corner block 7.

Further, as shown in fig. 2, the fixing member is a bolt, a threaded hole is formed in one end of the cylinder 11, a through hole is formed in one end of the central rotating block 2, and the bolt penetrates through the through hole and is connected with the threaded hole. The central rotating block 2 and the central shaft bracket 2 can be conveniently detached by adopting a bolt fixing mode.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. A magic cube, characterized in that: the magic cube comprises a central shaft bracket and square blocks, wherein the central shaft bracket is positioned in the center of the magic cube, the square blocks are positioned on the surface of the magic cube, and two adjacent square blocks are movably clamped and connected;

2. A puzzle cube, according to claim 1, wherein: the eccentric rotating block comprises a top plate, a first arc-shaped groove and a first extending table, the top plate is fixed to an opening at the top of the first arc-shaped groove, and the first extending table is fixed to the bottom of the first arc-shaped groove;

3. A puzzle cube, according to claim 2, wherein: the first extension table is provided with an extension plate, and the second extension table is provided with an inserting plate groove;

4. A puzzle cube, according to claim 2, wherein: a first groove is formed in a first extending table of the eccentric rotating block, and the eccentric rotating block is sleeved on the arc-shaped plate through the first groove.

5. A puzzle cube, according to claim 2, wherein: the second extension bench of eccentric adding block has seted up the second recess, eccentric adding block passes through the second recess cup joints on the arc.

6. A puzzle cube, according to claim 1, wherein: the central prism block comprises a first square plate and a first extension groove, and the first square plate is fixed with an opening at the top of the first extension groove;

the supporting piece is movably clamped with the second extending groove.

7. A puzzle cube, according to claim 6, wherein: the central part position of card outwards extends and forms the backup pad, the one end of backup pad is provided with the arch, the arch extends to hold the intracavity.

8. A puzzle cube, according to claim 6, wherein: the support piece includes bracing piece and triangular groove, the one end of bracing piece with the bottom of triangular groove is fixed, the other end of bracing piece stretches into the third extending groove is fixed, the lateral wall of triangular groove respectively with support piece offset between the arc, the triangular groove support piece reaches the arc forms hold the chamber.

9. A puzzle cube, according to claim 8, wherein: the other end of the supporting rod is provided with a fixed rod, and the fixed rod is vertically fixed with the supporting rod.

10. A puzzle cube, according to claim 1, wherein: the fixing piece is a bolt, a threaded hole is formed in one end of the cylinder, a through hole is formed in one end of the central rotating block, and the bolt penetrates through the through hole and is connected with the threaded hole.