CN213131868U - Magic cube with adjustable rotation performance - Google Patents

Abstract

The utility model relates to the technical field of magic cubes, in particular to a magic cube with adjustable rotation performance, which comprises a central shaft, a central block body, a prism body and an angle block body, wherein the central shaft is connected with the central block body; the corner block shell is internally provided with three groups of magnetic modules which interact with the magnetic devices in the ridge block body, and linkage devices used for linking the three groups of magnetic modules are arranged among the three groups of magnetic modules. This internal magnetic means that is equipped with of arris piece, this internal magnetic force module that is equipped with and magnetic means interact with of angle piece to optimize the location of angle piece body and arris piece body, thereby optimize the rotation performance of magic cube.

Description

Magic cube with adjustable rotation performance

Technical Field

The utility model belongs to the technical field of the technique of magic cube and specifically relates to a rotating property adjustable magic cube.

Background

The magic cube generally comprises a plurality of unit blocks and a multidimensional connecting shaft, take the traditional three-order magic cube as an example, the main body of the magic cube is of a cube structure and comprises twenty-six small cubes and a central shaft, the small cubes comprise six central blocks which are respectively positioned at the central positions of all surfaces of the magic cube, eight corner blocks which are positioned at the end corner parts of the magic cube, and twelve edge blocks which are respectively positioned between two adjacent corner blocks, so each surface of the magic cube is nine small cubes, and each layer of the magic cube can freely rotate based on the rotating characteristic of the central shaft.

In order to attract more people to enjoy the magic cube and hold the magic cube competition, the contestants need to rotate quickly during the competition to complete the reordering of the magic cube in the shortest time.

In order to meet the requirement of magic cube competition for fast rotating the magic cube, the prior Chinese patent invention with the publication number of CN110038293A discloses a magic cube with adjustable rotating performance. The magic cube with adjustable rotation performance can adjust the rotation performance of the magic cube through the rotating block and the floating piece, so that the experience of playing the magic cube is optimized.

The above prior art solutions have the following drawbacks: the rotating blocks on the corner blocks and the edge blocks can only rotate singly so as to realize the adjustment of the magnets on the corner blocks and the edge blocks and further adjust the rotating performance of the magic cube; however, only one turning block can be adjusted at a time, and the efficiency of adjusting the turning block is low; it is difficult to adjust the magnets in the corner blocks and the edge blocks to the same distance, so that the effect of the magnets in the corner blocks and the edge blocks is different, thereby affecting the rotating performance of the magic cube.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a magic cube with adjustable rotation performance, which synchronously adjusts the magnetic parts in the corner blocks so as to improve the efficiency of adjusting the magnetic parts, thereby optimizing the effect of the magnetic parts in the corner blocks, realizing the rotation performance of the magic cube and improving the experience of playing the magic cube; the magnetic parts in the edge blocks are synchronously adjusted so as to improve the efficiency of adjusting the magnetic parts, thereby optimizing the action effect of the magnetic parts in the edge blocks, realizing the adjustment of the rotation performance of the magic cube and improving the experience of playing the magic cube; the utility model further provides a magic cube with rotatable and resettable edge blocks, so as to optimize the rotating performance of the magic cube, thereby improving the experience of playing the magic cube; the utility model further provides a magic cube with an adjustable center block wheelbase to optimize the rotating performance of the magic cube, thereby improving the experience of playing the magic cube; the utility model discloses provide the magic cube that has the module of refueling at last, conveniently refuel for the magic cube to optimize the rotation performance of magic cube, thereby promote the experience of playing the magic cube.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a turning behavior adjustable magic cube, includes center pin, center block body, arris piece body and angle piece body, center pin and this body coupling of center block, and arris piece body and angle piece body card are between center block body and center pin, and arris piece body and angle piece body slip joint, this internal magnetic module of a plurality of groups of being equipped with of angle piece and arranging a plurality of groups in linkage between the magnetic module, a plurality of groups the magnetic module passes through the linkage and links.

The utility model discloses further set up to: the linkage device comprises a gear mechanism, and a plurality of groups of magnetic modules are linked through the gear mechanism.

The utility model discloses further set up to: the linkage device comprises a wrapping barrel, wherein the wrapping barrel is sleeved with a magnetic module, a third step portion is arranged in the wrapping barrel, the magnetic module is provided with a third adjusting block matched with the third step portion, and the third adjusting block is in conflict with the third step portion.

The utility model discloses further set up to: the magnetic module is provided with a linkage groove and is linked with the gear mechanism through the linkage groove.

The utility model discloses further set up to: the gear mechanism comprises a shaft lever, a bevel gear sleeved on the shaft lever and a linkage gear sleeved on the shaft lever, and the linkage gear is meshed with the bevel gear.

The utility model discloses further set up to: one end of the bevel gear is matched with the linkage groove, and the bevel gear extends into the linkage groove.

The utility model discloses further set up to: and a reset spring is arranged between the linkage groove and the bevel gear, the reset spring is sleeved on the shaft rod, one end of the reset spring is abutted against the bottom of the linkage groove, and the other end of the reset spring is abutted against the bevel gear.

The utility model discloses further set up to: the magnetic module comprises a magnetic shell and a magnetic part arranged in the magnetic shell.

The utility model discloses further set up to: the utility model discloses further set up to: the utility model discloses further set up to: : the side wall of the corner block body is provided with a second adjusting hole, and the magnetic shell is arranged in the second adjusting hole.

The utility model discloses further set up to: the magnetic shell comprises a wrapping shell and an adjusting shell covering the wrapping shell, and the magnetic part is arranged in the wrapping shell and the adjusting shell.

The utility model discloses further set up to: the surface of the adjusting shell departing from the wrapping shell is provided with a convex shell used for rotating the adjusting shell.

The utility model discloses further set up to: the outer wall of the corner block body is provided with a third scale matched with the third step part, and the convex shell is provided with a third mark corresponding to the third scale.

The utility model discloses further set up to: the prism block is characterized in that two groups of magnetic devices are arranged in the prism block body, and a linkage mechanism for linking the two groups of magnetic devices is arranged between the two groups of magnetic devices.

The utility model discloses further set up to: the linkage mechanism comprises a wrapping sleeve sleeved on the magnetic device, a second step portion is arranged in the wrapping sleeve, the magnetic device is provided with a second adjusting block matched with the second step portion, and the second adjusting block is abutted against the second step portion.

The utility model discloses further set up to: the linkage mechanism further comprises linkage pipes, and the two groups of magnetic devices are linked through the linkage pipes.

The utility model discloses further set up to: the magnetic device is provided with a driving groove matched with the linkage pipe, and the linkage pipe extends into the driving groove.

The utility model discloses further set up to: be equipped with extrusion spring between drive groove and the linkage pipe, extrusion spring's one end is contradicted with the tank bottom in drive groove, and the other end is contradicted with the socle of linkage pipe.

The utility model discloses further set up to: the arris piece body is equipped with arris piece card foot subassembly, arris piece card foot subassembly is including card foot structure and passing the knot axle of card foot structure joint in the arris piece body.

The utility model discloses further set up to: the clamping pin structure comprises a large clamping pin and an elastic seat, the large clamping pin is provided with a through hole, the elastic seat is provided with a splicing hole, and the buckling shaft sequentially penetrates through the splicing hole and the through hole to be clamped in the edge block body.

The utility model discloses further set up to: and a torsion spring is connected between the large clamping pin and the elastic seat and sleeved on the buckling shaft.

The utility model discloses further set up to: the through hole of the large clamping pin is provided with a groove, the splicing hole of the elastic seat is provided with a splicing groove, the two ends of the torsion spring are provided with inserting rods, and the inserting rods at the two ends of the torsion spring are respectively inserted into the splicing groove and the groove.

The utility model discloses further set up to: the side wall of the edge block body is provided with a first adjusting hole, and the magnetic device is arranged in the first adjusting hole.

The utility model discloses further set up to: the magnetic device comprises a magnetic cover and a magnetic part arranged in the magnetic cover.

The utility model discloses further set up to: the magnetic cover comprises a wrapping cover and an adjusting cover covering the wrapping cover, and the magnetic part is arranged in the wrapping cover.

The utility model discloses further set up to: the surface of the adjusting cover departing from the wrapping cover is provided with a bulge used for rotating the adjusting cover.

The utility model discloses further set up to: the outer wall of arris piece body be equipped with second ladder portion cooperation second scale, bellied surface is equipped with the second sign of directional second scale.

The utility model discloses further set up to: the center block body is provided with a tensioning mechanism connected to the center shaft.

The utility model discloses further set up to: the tensioning mechanism comprises an elastic mechanism and a positioning block arranged on the elastic mechanism, and the positioning block is connected with the central shaft in a clamping mode.

The utility model discloses further set up to: one side that the locating piece deviates from elastic mechanism is equipped with the lug that is used for rotating the locating piece, the lug is equipped with the constant head tank, the center pin includes spacing axle, the transversal circular setting of personally submitting of spacing axle, spacing axle is arranged in the constant head tank.

The utility model discloses further set up to: the elastic mechanism comprises a bearing mechanism and a compression spring sleeved on the bearing mechanism, and two ends of the compression spring are abutted against the bearing mechanism.

The utility model discloses further set up to: the bearing mechanism comprises a bearing bottom block and a bearing top block clamped on the bearing bottom block.

The utility model discloses further set up to: the bearing bottom block is provided with a buckling hole, the bearing top block is provided with a buckle matched with the buckling hole, and the buckle is buckled into the buckling hole.

The utility model discloses further set up to: the bearing top block is internally provided with a first step part, the positioning block is provided with a first adjusting block matched with the first step part, and the first adjusting block is abutted against the first step part.

The utility model discloses further set up to: the bearing top block is provided with a circular groove, the positioning block is arranged in the circular groove, the circular groove is provided with a first scale matched with the first step portion, and the side wall of the bump is provided with a first mark pointing to the first scale.

The utility model discloses further set up to: an oil storage module is arranged between the central block body and the tensioning mechanism.

The utility model discloses further set up to: the oil outlet has been seted up to the bottom of center block body, the oil outlet is located the bottom of oil storage module.

The utility model discloses further set up to: the oil storage module comprises an anti-backflow film, an oil storage film and an anti-flow film which are sequentially arranged, and the anti-flow film is attached to the oil outlet hole of the center block body.

The utility model discloses further set up to: the tensioning mechanism is provided with an oil filling structure used for filling oil into the oil storage module, the oil filling structure comprises an oil filling hole and an oil filling pipe, and the oil filling pipe extends into the oil filling hole.

To sum up, the utility model discloses a beneficial technological effect does:

1. the magnetic device is arranged in the edge block body, and the magnetic module which interacts with the magnetic device is arranged in the edge block body so as to optimize the positioning of the edge block body and the edge block body, thereby optimizing the rotation performance of the magic cube and being beneficial to improving the experience of playing the magic cube;

2. the linkage mechanism is arranged in the prism block body and is linked with the two groups of magnetic devices in the prism block body, so that the magnetic devices can be adjusted at the same time, the efficiency of adjusting the magnetic devices is improved, the two groups of magnetic devices have the same effect, the rotating performance of the magic cube is optimized, and the experience of playing the magic cube is improved;

3. the wrapping cover is linked with the linkage pipe through the driving groove so as to realize linkage of the two magnetic parts in the prism block shell, so that the magnetic parts in the prism block shell can be synchronously adjusted, and the rotating performance of the magic cube can be adjusted; the second adjusting block on the outer wall of the wrapping cover is abutted against the second step part of the wrapping sleeve so as to limit the automatic rotation of the wrapping cover; an extrusion spring is arranged between the wrapping cover and the linkage pipe, so that the extrusion spring always has a tendency of pushing the wrapping cover to the side wall of the prism block shell, the magnetic part in the wrapping cover can conveniently act, the rotating performance of the magic cube is optimized, and the experience of playing the magic cube is favorably improved;

4. the torsional spring is arranged between the large clamping pin and the elastic seat, the torsional spring is sleeved on the buckling shaft, and two ends of the torsional spring are respectively spliced with the large clamping pin and the elastic seat, so that the large clamping pin and the elastic seat can rotate relatively, the prism body can rotate, the magic cube can conveniently perform fault-tolerant motion, the rotating performance of the magic cube is optimized, and the experience of playing the magic cube is promoted;

5. the angle block body is internally provided with a linkage device which is linked with the three groups of magnetic modules so as to be convenient for adjusting the three groups of magnetic modules simultaneously, improve the efficiency of adjusting the magnetic modules, facilitate the same action effect of the three groups of magnetic modules, optimize the rotation performance of the magic cube and facilitate the improvement of the experience of playing the magic cube;

6. the group of wrapping shells are linked with other wrapping shells through a gear mechanism to realize linkage of the three magnetic pieces so as to synchronously adjust the magnetic pieces in the angle block body and further adjust the rotation performance of the magic cube; a third adjusting block of the wrapping shell is abutted against a third step part of the wrapping cylinder so as to limit the automatic rotation of the wrapping shell;

7. the wrapping shell is linked with the bevel gear through the linking groove, the bevel gear is meshed with the linking gear to realize the linkage of the three groups of wrapping shells, and the reset spring is arranged between the wrapping shells and the bevel gear, so that the reset spring always has a tendency of pushing the wrapping shells to the side wall of the corner block shell, the magnetic parts in the wrapping shells can be conveniently acted, the rotating performance of the magic cube can be optimized, and the experience of playing the magic cube can be improved;

8. the central shaft is clamped with the positioning block of the central block body through the limiting shaft, the cross section of the limiting shaft is in a circular arrangement, and the stress balance between the central shaft and the positioning block is facilitated, so that the stress balance between the central shaft and the central block body is realized, and the service life of the magic cube is further prolonged;

9. the bearing top block is provided with a first step part, the positioning block is provided with a first adjusting block which is abutted against the first step part, and the first adjusting block rotates on the first step part, so that the axle distance of the center block body is adjusted, the rotating performance of the magic cube is adjusted conveniently, and the experience of playing the magic cube is improved;

10. a compression spring is arranged between the bearing top block and the bearing bottom block, and the compression spring enables the bearing top block and the bearing bottom block to have elasticity, so that the positioning block can reciprocate back and forth in the length direction of the central shaft, and the experience of playing the magic cube is optimized;

11. an oil storage module is arranged between the central block shell and the bearing bottom block so as to store lubricating oil in the oil storage module, and the lubricating oil is added to the magic cube by the oil storage module, so that the rotating performance of the magic cube is improved, and the experience of playing the magic cube is optimized; the design of oil storage module, on the one hand, simplifies the mode of refueling for the magic cube, and on the other hand avoids carrying lubricating oil constantly.

Drawings

Figure 1 is an exploded view of the magic cube and setting tool of the present invention; FIG. 2 is an exploded view of the center block body, center shaft and debugging tool of the present invention; FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2; FIG. 4 is an enlarged partial schematic view of portion B of FIG. 2; fig. 5 is an exploded view of the center block body and the debugging tool of the present invention; fig. 6 is an exploded view of the corner block body of the present invention; fig. 7 is an exploded view of the corner block body of the present invention; fig. 8 is an exploded view of the prism body of the present invention; fig. 9 is an exploded view of the prism block body of the present invention.

In the figure, 1, a magic cube; 2. a central shaft; 21. a connecting shaft; 211. a base shaft; 212. an intermediate shaft; 213. a limiting shaft;

3. a center block body; 31. a center block housing; 311. clamping the strip; 312. connecting holes; 313. An oil outlet hole; 314. a leakage-proof column; 32. a center block shell cover; 321. a clamping cylinder; 322. a limiting groove; 33. a seal ring;

4. a corner block body; 41. corner block clamping feet; 411. a third oil sump; 412. inserting and buckling; 42. A corner block housing; 421. a second adjustment aperture; 422. a third scale; 423. a fixed block; 424. A support groove; 425. a fixing hole; 426. a second oil sump; 427. a clamping block; 428. inserting grooves; 43. a corner block housing cover; 431. a fixed cylinder; 432. splicing sheets; 433. a card slot; 434. Splicing blocks; 435. a connecting frame; 44. a magnetic housing; 45. wrapping the shell; 451. a shell groove; 452. A third regulating block; 453. a linkage groove; 46. an adjustment housing; 461. a housing block; 462. a convex shell; 463. a third identifier; 47. a fixed mount; 471. fixing grooves;

5. a prism block body; 51. the edge block clamping component; 511. a torsion spring; 512. inserting a rod; 52. A prism block housing; 521. a first adjustment aperture; 522. a second scale; 523. a limiting hole; 524. A plug-in frame; 525. a clamping hole; 526. inserting holes; 527. a plug-in barrel; 528. a first oil sump; 53. a prism block shell cover; 531. a cover sheet; 532. inserting the column; 533. splicing frames; 54. A magnetic shield; 541. a wrapping cover; 5411. a cover groove; 5412. a drive slot; 5413. a second regulating block; 542. an adjustment cover; 5421. a cover block; 5422. a protrusion; 5423. a second identifier; 55. a bearing frame; 551. a plug-in housing; 552. fixing the rod; 56. a clamping pin structure; 57. an elastic seat; 571. splicing holes; 572. splicing grooves; 58. a large clamping pin; 581. a through hole; 582. a groove; 583. a limiting rod; 584. an insertion block; 59. buckling a shaft; 591. buckling a head; 592. buckling blocks; 593. an elastic groove;

6. a tensioning mechanism; 61. an elastic mechanism; 611. a carrying mechanism; 612. a compression spring; 613. A bearing bottom block; 6131. a retainer ring; 6132. an oil storage tank; 614. carrying a top block; 6141. a limiting ring; 6142. a circular groove; 6143. an inner tank; 6144. a first step portion; 6145. a first scale; 615. a clamping mechanism; 6151. buckling holes; 6152. buckling; 616. an oiling structure; 6161. An oil filling hole; 6162. an oil filler tube; 62. positioning blocks; 621. a bump; 622. positioning a groove; 623. positioning holes; 624. mounting holes; 625. a first identifier; 626. a first regulating block; 63. An oil storage module; 631. a backflow prevention film; 632. storing an oil film; 633. an anti-flow film;

7. a linkage mechanism; 71. wrapping the sleeve; 711. a second step section; 72. a linkage pipe; 73. a compression spring;

8. a linkage device; 81. a wrapping drum; 811. a third step portion; 82. a gear mechanism; 821. A shaft lever; 8211. a tripod; 8212. a support bar; 822. a bevel gear; 8221. extruding a groove; 823. a linkage gear; 83. a return spring;

9. debugging a tool; 91. an adjustment groove; 92. a debugging tank; 93. and (4) anti-skid lines.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to the drawings, there are disclosed a magic cube 1 and a setting tool 9 for setting up the magic cube 1. Magic cube 1 includes center pin 2, a plurality of center piece body 3, a plurality of hornblock body 4 and a plurality of arris piece body 5, and center pin 2 is located magic cube 1's center, and center pin 2's end is connected with center piece body 3, and arris piece body 5 contradicts with center piece body 3's lateral wall, and hornblock body 4 contradicts with arris piece body 5's both sides lateral wall, and center piece body 3 blocks hornblock body 4 and arris piece body 5 between center piece body 3 and center pin 2 to form magic cube 1.

Referring to fig. 1 and 2, the central shaft 2 includes six connecting shafts 21, one end portions of the six connecting shafts 21 are fixed to each other, and each connecting shaft 21 is perpendicular to the adjacent connecting shaft 21, so that two connecting shafts 21 disposed correspondingly to each other are symmetrically disposed, and the axes of the two connecting shafts 21 disposed correspondingly to each other are on the same straight line; when the connecting shaft 21 is connected to the center block bodies 3, the two center block bodies 3 corresponding to each other can be symmetrically disposed. The cross section of connecting axle 21 is circular setting, and the cross section diameter ratio of connecting axle 21 one end is big than the cross section diameter of the other end, and the one end that connecting axle 21 connects center piece body 3 is crescent to the other end that connecting axle 21 kept away from center piece body 3 promptly, and the center of center pin 2 diminishes to the end of center pin 2 gradually promptly for the center of center pin 2 can bear bigger tensile force. The connecting shaft 21 comprises a base shaft 211, an intermediate shaft 212 and a limiting shaft 213 which are sequentially arranged, the axes of the base shaft 211, the intermediate shaft 212 and the limiting shaft 213 are on the same straight line, the tail end of the base shaft 211 is fixed with the intermediate shaft 212, and one end, far away from the base shaft 211, of the intermediate shaft 212 is fixed with the limiting shaft 213. The cross sections of the base shaft 211, the intermediate shaft 212 and the limiting shaft 213 are all arranged in a circular shape, the diameter of the base shaft 211 is equal to that of the limiting shaft 213, the diameter of the base shaft 211 is larger than that of the intermediate shaft 212, when the connecting shaft 21 is clamped with the central block body 3, the base shaft 211, the intermediate shaft 212 and the limiting shaft 213 are in contact with the central block body 3, and the limiting shaft 213 and the central block body 3 are mutually separated to limit the central block body 3 to be separated from the connecting shaft 21, namely to limit the central block body 3 to be separated from the central shaft 2; the diameter of the base shaft 211 can also be larger than that of the limiting shaft 213, the diameter of the limiting shaft 213 is larger than that of the intermediate shaft 212, when the connecting shaft 21 is clamped with the central block body 3, the base shaft 211, the intermediate shaft 212 and the limiting shaft 213 are in contact with the central block body 3, and the limiting shaft 213 and the central block body 3 are mutually separated to limit the central block body 3 to be separated from the connecting shaft 21, namely to limit the central block body 3 to be separated from the central shaft 2. Because the cross section of the limiting shaft 213 is in the circular arrangement, the force of the limiting shaft 213 on the central block body 3 is balanced, and the experience of the magic cube 1 is optimized. The base shaft 211, the intermediate shaft 212 and the limit shaft 213 are integrally formed, and the six connecting shafts 21 are integrally formed, namely the central shaft 2 is integrally formed, so that the processing procedure of the central shaft 2 is simplified, and the efficiency of producing the central shaft 2 is improved.

The central shaft 2 can be made of plastic or also of powdered metal. When the central shaft 2 is made of metal powder, precipitation hardening stainless steel powder, such as that manufactured by the shoddy materials science and technology ltd of the Hunan province, is generally used; the precipitation hardening stainless steel powder is made of FDC17-4PHB, and is mixed with adhesive to form raw material, wherein the adhesive comprises at least one of pom plastic, polyethylene PE and ethylene-vinyl acetate copolymer EVA. Mixing FDC17-4PHB powder and an adhesive in a weight ratio of 10:1, heating to 150-; adding the particles into an injection molding machine, melting the adhesive to endow metal powder with good fluidity so that the metal powder can be conveniently injected into a mold by the injection molding machine to obtain a blank, degreasing the blank by a Catamold catalytic degreasing method, and then sending the degreased blank into a sintering furnace for 8 hours; the temperature in the sintering furnace is kept between 1200 ℃ and 1400 ℃, the blank is insulated in the sintering furnace for 22 hours, metal atoms in FDC17-4PHB powder are activated at high temperature and migrate and diffuse, so that the density of the blank is rapidly improved, and meanwhile, the size of the blank is shrunk by 10-20%, so that the hardness, strength, magnetism, corrosion resistance and heat conductivity of the blank are close to the forging level; and cooling, taking out the blank, and shaping the blank to obtain the central shaft 2.

Referring to fig. 2, 4 and 5, the central block body 3 includes a central block housing 31 and a central block housing cover 32 covering the central block housing 31, the inner wall of the central block housing 31 is provided with a plurality of clamping bars 311, one side of the central block housing cover 32 covering the central block housing 31 is provided with a clamping cylinder 321, and the outer wall of the clamping cylinder 321 is provided with a limiting groove 322 clamped and fixed with the clamping bars 311; when the clamping cylinder 321 of the center block case cover 32 is inserted into the center block case 31, the clamping bar 311 is clamped into the limiting groove 322 to limit the clamping cylinder 321 from being released from the center block case 31, so as to limit the center block case cover 32 from being released from the center block case 31. The bottom of the center block shell 31 is provided with a connecting hole 312 matched with the center shaft 2, the connecting hole 312 is located in the middle of the center block shell 31, and the connecting shaft 21 of the center shaft 2 penetrates through the connecting hole 312 and extends into the center block shell 31, so that the center shaft 2 is connected with the center block shell 31. A tensioning mechanism 6 for fixing the central shaft 2 is arranged between the central block shell 31 and the central block shell cover 32, the tensioning mechanism 6 comprises an elastic mechanism 61 and a positioning block 62 arranged on the elastic mechanism 61, the elastic mechanism 61 is abutted against the bottom of the central block shell 31, and the positioning block 62 is positioned on one side of the elastic mechanism 61 departing from the bottom of the central block shell 31; the positioning block 62 is provided with a positioning hole 623 matched with the intermediate shaft 212, the connecting shaft 21 of the central shaft 2 penetrates through the positioning hole 623, the intermediate shaft 212 is in contact with the hole wall of the positioning hole 623, the limiting shaft 213 is in contact with the positioning block 62, and the limiting shaft 213 and the positioning block 62 are mutually separated, so that the central shaft 2 and the central block body 3 are installed. Because the cross section of the limiting shaft 213 is arranged in a circular shape, the stress of the limiting shaft 213 on the positioning block 62 is balanced, and the experience of the magic cube 1 is optimized. One side of the positioning block 62 departing from the elastic mechanism 61 is provided with a projection 621, the projection 621 is in a rectangular shape, the projection 621 is provided with a positioning groove 622, the positioning groove 622 is communicated with the positioning hole 623, and the positioning groove 622 is arranged in the limiting shaft 213, so that the center block shell 31 and the center block shell cover 32 are more compact. The positioning block 62 is provided with a mounting hole 624, the mounting hole 624 is communicated with the positioning hole 623 and the positioning groove 622, the diameter of the mounting hole 624 is larger than that of the positioning hole 623, the diameter of the mounting hole 624 is larger than that of the positioning groove 622, when the connecting shaft 21 of the central shaft 2 is assembled with the positioning hole 623, the connecting shaft 21 firstly penetrates through the mounting hole 624, and the intermediate shaft 212 of the connecting shaft 21 is clamped into the positioning hole 623;

referring to fig. 2 and fig. 5, the elastic mechanism 61 includes a bearing mechanism 611 and a compression spring 612 sleeved on the bearing mechanism 611, the bearing mechanism 611 includes a bearing bottom block 613 and a bearing top block 614 located above the bearing bottom block 613, a clamping mechanism 615 is disposed between the bearing bottom block 613 and the bearing top block 614, the bearing bottom block 613 and the bearing top block 614 are connected by the clamping mechanism 615, the compression spring 612 is disposed outside the bearing bottom block 613 and the bearing top block 614, and two ends of the compression spring 612 respectively abut against the bearing bottom block 613 and the bearing top block 614; the bearing bottom block 613 is provided with a retaining ring 6131 extending outwards, the bearing top block 614 is provided with a limiting ring 6141 extending outwards, two ends of the compression spring 612 are respectively abutted against the retaining ring 6131 of the bearing bottom block 613 and the limiting ring 6141 of the bearing top block 614, when the bearing top block 614 moves towards the bearing bottom block 613, the pressure applied to the compression spring 612 is increased, and when the bearing top block 614 moves towards the direction far away from the bearing bottom block 613, the pressure applied to the compression spring 612 is decreased; the clamping mechanism 615 includes a buckle hole 6151 disposed on the bearing bottom block 613 and a buckle 6152 disposed on the bearing top block 614, and the buckle 6152 is buckled into the buckle hole 6151 to realize splicing of the bearing bottom block 613 and the bearing top block 614. The bearing top block 614 is provided with a circular groove 6142, and the positioning block 62 is arranged in the circular groove 6142. An adjusting mechanism for adjusting the axle distance of the central block body 3 is arranged between the bearing top block 614 and the positioning block 62, the adjusting mechanism comprises an inner groove 6143 arranged in the circular groove 6142, four groups of first step portions 6144 arranged on the inner groove 6143 and a first adjusting block 626 arranged on the positioning block 62, and the first adjusting block 626 is provided with four groups corresponding to the four groups of first step portions 6144; the adjusting distance between two adjacent steps of the first step portion 6144 is 0.1mm, the cross section of the first adjusting block 626 is arranged in a triangular shape, and the first adjusting block 626 abuts against the first step portion 6144 so as to adjust the axle distance of the central block body 3; the protrusion 621 is rotated, the protrusion 621 and the positioning block 62 rotate synchronously, and the first adjusting block 626 of the positioning block 62 rotates at the first step portion 6144, so as to drive the bearing top block 614 to reciprocate back and forth in the direction of the bearing bottom block 613, thereby adjusting the compression state of the compression spring 612 and realizing the adjustment of the axle distance of the central block body 3;

referring to fig. 2, 3, 4 and 5, an oil storage module 63 is disposed between the bottom of the central block housing 31 and the bearing bottom block 613, an oil storage tank 6132 is disposed at the bottom of the bearing bottom block 613, the oil storage module 63 includes an anti-backflow film 631, an oil storage film 632 and an anti-backflow film 633 which are sequentially disposed in the oil storage tank 6132, and the anti-backflow film 633 is abutted against the central block housing 31. The oil reservoir film 632 is preferably a resilient oil reservoir bladder, preferably a sponge or silicone bladder. The anti-backflow film 631 can be made of pvc and pet materials so as to balance the extrusion of the oil storage film 632. The anti-flow film 633 is preferably made of rubber so that oil can penetrate between the center block case 31 and the anti-flow film 633. The oil outlet 313 is formed in the bottom of the center block shell 31, and the oil outlet 313 is located at the bottom of the anti-flow film 633, so that lubricating oil in the center block shell 31 flows to the prism block body 5 and the corner block body 4 through the oil outlet 313, friction between the prism block body 5 and the corner block body 4 is reduced, abrasion is reduced, and the service life of the magic cube 1 is prolonged; the bottom of the central block shell 31 is provided with a leakage-proof column 314, the leakage-proof column 314 is positioned in the middle of the oil storage module 63, the connecting hole 312 penetrates through the leakage-proof column 314, and the height of the leakage-proof column 314 is not less than the thickness of the oil storage module 63 so as to limit the leakage of the lubricating oil in the oil storage module 63 from the leakage-proof column 314. A sealing ring 33 is arranged between the central block shell 31 and the central block shell cover 32, the sealing ring 33 is clamped on the circumferential outer wall of a clamping cylinder 321 of the central block shell cover 32, the sealing ring 33 is positioned on one side of the limiting groove 322, which is far away from the central block shell 31, the central block shell cover 32 covers the central block shell 31, and the sealing ring 33 is mutually extruded between the clamping cylinder 321 of the central block shell cover 32 and the inner wall of the central block shell 31, so that the central block shell 31 and the central block shell cover 32 are in a sealing state to limit the overflow of lubricating oil. The bearing mechanism 611 is further provided with a refueling structure 616 for refueling the oil storage module 63, that is, a refueling structure 616 for refueling the oil storage module 63 is arranged between the bearing bottom block 613 and the bearing top block 614, the refueling structure 616 comprises a refueling hole 6161 arranged on the bearing top block 614 and a refueling pipe 6162 arranged on the bearing bottom block 613, one end of the refueling pipe 6162 penetrates through the bearing bottom block 613 and is communicated with the oil storage groove 6132, the other end of the refueling pipe 6161 extends into the refueling hole 6161, the end of the other end of the refueling pipe is arranged on the surface of the refueling hole 6161, and the refueling hole 6161 is positioned in the circular groove 6142; lubricating oil is dripped into the oil filling pipe 6162 and flows into the oil storage tank 6132 along the oil filling pipe 6162, so that the oil storage film 632 can store the lubricating oil;

four groups of first scales 6145 used for representing the wheel base are arranged on the surface of the circular groove 6142, the first scales 6145 are arranged corresponding to the first stepped portion 6144, a first mark 625 pointing to the first scales 6145 is arranged on the side wall of the bump 621, and the first scales 6145 comprise oil filling holes 6161; when the first mark 625 points to the oil filling hole 6161, the axle distance of the central block body 3 is the largest, and the pressure applied to the compression spring 612 is the smallest; when the first mark 625 points to the shortest first scale 6145, the axle distance of the central block body 3 is the smallest, and the pressure applied to the compression spring 612 is the largest.

Referring to fig. 8 and 9, the prism body 5 includes a prism clip assembly 51, a prism housing 52 clipped on the prism clip assembly 51, and a prism housing cover 53 covering the prism housing 52;

the rib block clamping foot assembly 51 comprises a clamping foot structure 56 in sliding clamping connection with the corner block body 4 and a buckling shaft 59 penetrating through the clamping foot structure 56 to be clamped into the rib block shell 52, the clamping foot structure 56 comprises a large clamping foot 58 in sliding clamping connection with the corner block body 4 and an elastic seat 57 arranged at the bottom of the large clamping foot 58, the buckling shaft 59 penetrates through the elastic seat 57 and the large clamping foot 58 in sequence to be buckled into the rib block shell 52, and the elastic seat 57 and the large clamping foot 58 can both rotate along the buckling shaft 59. The elastic seat 57 is provided with a splicing hole 571 matched with the buckling shaft 59, the large clamping leg 58 is provided with a through hole 581 through which the buckling shaft 59 passes, one end of the buckling shaft 59 is provided with a buckling head 591, the diameter of the buckling head 591 is larger than that of the splicing hole 571, so that the buckling head 591 is buckled at the bottom of the elastic seat 57 away from the large clamping leg 58, and when the buckling shaft 59 sequentially passes through the splicing hole 571 of the elastic seat 57 and the through hole 581 of the large clamping leg 58 and is buckled into the prism block shell 52, the buckling head 591 of the buckling shaft 59 is buckled at the bottom of the elastic seat 57. A torsion spring 511 is arranged between the large clamping foot 58 and the elastic seat 57, and the torsion spring 511 is sleeved on the buckling shaft 59. Splicing grooves 572 are formed in two sides of the splicing hole 571, grooves 582 corresponding to the splicing grooves 572 are formed in the through hole 581, inserting rods 512 are arranged at two ends of the torsion spring 511, and the inserting rods 512 are respectively inserted into the splicing grooves 572 and the grooves 582; when the elastic seat 57 and the large locking leg 58 rotate along the fastening shaft 59, due to the action of the torsion spring 511, the torsion spring 511 always has a force to drive the elastic seat 57 and the large locking leg 58 to restore to the original shape, so that the elastic seat 57 and the large locking leg 58 restore to the original shape, and the maximum angle of relative rotation between the elastic seat 57 and the large locking leg 58 is 8 °; because the torsion spring 511 is arranged between the large clamping pin 58 and the elastic seat 57, the elastic seat 57 and the large clamping pin 58 can rotate relatively, so that the elastic seat 57 and the prism block shell 52 can rotate relatively, the rotation efficiency of the magic cube 1 during error tolerance is improved, and the magic cube is prevented from being clamped;

two groups of magnetic devices are arranged in the prism block shell 52 and the prism block shell cover 53, a linkage mechanism 7 is arranged between the two groups of magnetic devices, each magnetic device comprises a magnetic cover 54 and a magnetic part arranged in the magnetic cover 54, and the magnetic cover 54 is contacted with the side wall of the prism block shell 52 so that the magnetic parts in the prism block shell 52 and the magnetic parts in the corner block body 4 can interact with each other; the sidewall of the prism block shell 52 is provided with a first adjusting hole 521, and the magnetic cover 54 is arranged in the first adjusting hole 521, so that the interaction between the magnetic part in the prism block shell 52 and the magnetic part in the prism block body 4 is further optimized. The magnetic cover 54 includes a wrapping cover 541 and an adjusting cover 542 covering the wrapping cover 541, and the magnetic member is disposed in the wrapping cover 541. The package cover 541 is provided with a cover groove 5411, the adjusting cover 542 is provided with a cover block 5421 clamped into the cover groove 5411, the cover block 5421 of the adjusting cover 542 is clamped into the cover groove 5411 of the package cover 541, and splicing of the package cover 541 and the adjusting cover 542 is achieved. Protrusions 5422 are arranged on the surface, away from the wrapping cover 541, of the adjusting cover 542, the protrusions 5422 are arranged in a rectangular shape, three groups of second marks 5423 are arranged on the surface of the protrusions 5422, and three groups of second scales 522 are arranged on the outer wall of the prism block shell 52 corresponding to the second marks 5423; the protrusion 5422 is rotated so that the protrusion 5422 points to the graduation mark of the second graduation 522 to adjust the two sets of magnetic members to approach or move away from each other, thereby adjusting the magnetic means inside the prism block housing 52. The surface of the adjusting cover 542, which is far away from the wrapping cover 541, is also provided with three groups of second marks 5423, the diameter of the adjusting cover 542 is larger than that of the first adjusting hole 521, and the diagonal line of the protrusion 5422 is smaller than that of the first adjusting hole 521, so that the adjusting cover 542 is attached to the inner wall of the prism block shell 52, and the protrusion 5422 is arranged in the first adjusting hole 521;

the linkage mechanism 7 comprises two groups of wrapping sleeves 71 sleeved on the wrapping covers 541 and a linkage pipe 72 arranged between the two groups of wrapping sleeves 71; a driving groove 5412 is formed in one surface, away from the adjusting cover 542, of the wrapping cover 541, the driving groove 5412 comprises two groups of symmetrically arranged straight portions and two groups of symmetrically arranged curved portions, two ends of the linkage pipe 72 are arranged in a matched mode with the driving groove 5412, and the linkage pipe 72 extends into the driving groove 5412 to achieve mutual linkage of the wrapping cover 541 and the linkage pipe 72; three groups of second step parts 711 matched with the second scales 522 are arranged in the wrapping sleeve 71, the second step parts 711 are positioned at one end, far away from the linkage pipe 72, of the wrapping sleeve 71, the adjusting distance of two adjacent groups of steps of each group of second step parts 711 is 0.06mm, second adjusting blocks 5413 matched with the second step parts 711 are arranged on the outer side wall of the wrapping cover 541, the cross sections of the second adjusting blocks 5413 are arranged in a triangular mode, and the second adjusting blocks 5413 abut against the second step parts 711, so that the second step parts 711 limit the movement of the second adjusting blocks 5413, and the wrapping cover 541 is limited to rotate; an extrusion spring 73 is arranged between the driving groove 5412 of the wrapping cover 541 and the linkage pipe 72, one end part of the extrusion spring 73 is respectively abutted against the pipe bottom of the linkage pipe 72, and the other end part is abutted against the groove bottom of the driving groove 5412; since the pressing spring 73 is in a compressed state, the pressing spring 73 always has a force pushing toward the bottom of the driving groove 5412, so that the pressing spring 73 always pushes the cover 541 toward the first regulation hole 521;

the protrusions 5422 are rotated, the adjusting covers 542 and the protrusions 5422 rotate synchronously, the adjusting covers 542 drive the wrapping covers 541 to rotate, so that the second adjusting blocks 5413 rotate on the second step parts 711, the wrapping covers 541 drive the linkage pipes 72 to rotate, the linkage pipes 72 drive the other wrapping cover 541 to rotate, and the two groups of wrapping covers 541 are adjusted simultaneously; since the extrusion spring 73 always pushes the wrapping cover 541 to the first adjusting hole 521, the adjustment of the magnetic member in the wrapping cover 541 is realized, so as to adjust the magnetic device in the prism block body 5;

a bearing frame 55 is arranged between the prism block shell 52 and the linkage pipe 72 and between the prism block shell and the wrapping sleeve 71, and the bearing frame 55 supports the linkage pipe 72 and the wrapping sleeve 71; the bottom of the bearing frame 55 is provided with an insertion shell 551, the prism block shell 52 is provided with an insertion frame 524 matched with the insertion shell 551, and the insertion shell 551 is arranged in the insertion frame 524. The bottom of the insertion frame 524 is provided with a clamping hole 525 matched with the fastening shaft 59, one end of the fastening shaft 59 is provided with a fastening block 592 fastened and fixed with the clamping hole 525, the fastening block 592 is fastened on the clamping hole 525 to realize the connection of the fastening shaft 59 and the prism block shell 52, so that the connection of the prism block clamping pin assembly 51 and the prism block shell 52 is realized. An elastic groove 593 is formed at one end of the buckling shaft 59, and the elastic groove 593 is positioned at one end of the buckling block 592 so that the buckling block 592 can be buckled into the clamping hole 525; the bottom of the insertion shell 551 is provided with a fixing rod 552 matched with the elastic groove 593, and the fixing rod 552 is inserted into the elastic groove 593 to limit the deformation of the elastic groove 593 so as to fix the connection between the buckle shaft 59 and the prism block shell 52. The prism housing 52 and the insertion housing 551 are provided with corresponding limiting holes 523, and the large clamping leg 58 is provided with a limiting rod 583 extending into the limiting holes 523 to limit the relative rotation of the large clamping leg 58 and the prism housing 52. The bottom of the prism housing 52 is provided with an inserting hole 526, the large clamping pin 58 is provided with an inserting block 584 inserted into the inserting hole 526, the inserting block 584 is inserted into the inserting hole 526, and the inserting block 584 is clamped in the inserting hole 526 so as to optimize the connection between the large clamping pin 58 and the prism housing 52;

the prism block casing 52 is provided with a plug cylinder 527, the prism block casing cover 53 is provided with a plug column 532 matched with the plug cylinder 527, and the plug column 532 is inserted into the plug cylinder 527 to cover the prism block casing 52 with the prism block casing cover 53. The prism housing cover 53 comprises two cover plates 531 and a splicing frame 533, the splicing column 532 is arranged on the cover plates 531, and the splicing frame 533 is spliced between the two cover plates 531 to limit the two cover plates 531 from being scattered; the bottom of the splicing frame 533 departing from the cover sheet 531 abuts against the wrapping sleeve 71, so that the wrapping sleeve 71 supports the splicing frame 533 to support the cover sheet 531. First oil groove 528 has been seted up to the lateral wall of arris piece casing 52, and first oil groove 528 is the pyramid shape setting to first oil groove 528 stores lubricating oil and clean dust.

Referring to fig. 6 and 7, the corner block body 4 includes a corner block clamping leg 41 movably clamped with the prism block body 5, a corner block housing 42 arranged on the corner block clamping leg 41, and a corner block housing cover 43 covering the corner block housing 42;

the both sides of the big bayonet catch 58 of arris piece body 5 are equipped with the spout, and in the spout was gone into to the big bayonet catch 58 slided each other with the angle piece bayonet catch 41 to realize rotating magic cube 1. The corner block clamping leg 41 is provided with an inserting buckle 412, the bottom of the corner block shell 42 is provided with an inserting groove 428 matched with the inserting buckle 412, the inserting groove 428 is communicated with the inside of the corner block shell 42, and the inserting buckle 412 is buckled into the inserting groove 428, so that the corner block clamping leg 41 is spliced with the corner block shell 42; the corner block clamping leg 41 is provided with a third oil storage groove 411, and the third oil storage groove 411 is arranged in a pyramid shape, so that the third oil storage groove 411 can store lubricating oil and clean dust conveniently;

be equipped with three magnetic module of group and arrange aggregate unit 8 between three magnetic module of group in between angle piece casing 42 and the angle piece cap 43, magnetic module includes magnetic shell 44 and the magnetic part of setting in magnetic shell 44, magnetic shell 44 contradicts with angle piece casing 42's inner wall, be favorable to magnetic part in magnetic shell 44 and the magnetic part interact in the arris piece body 5, thereby improve the accuracy of angle piece body 4 and the location of arris piece body 5 of magic cube 1, experience with magic cube 1 is played in the optimization. The lateral wall of the corner block shell 42 is provided with a second adjusting hole 421, and the magnetic shell 44 is arranged in the second adjusting hole 421, so as to further optimize the interaction between the magnetic part in the magnetic shell 44 and the magnetic part in the prism block body 5. The magnetic housing 44 includes a wrapping housing 45 and an adjusting housing 46 covering the wrapping housing 45, and the magnetic member is interposed between the wrapping housing 45 and the adjusting housing 46. The wrapping shell 45 is provided with a shell groove 451, the adjusting shell 46 is provided with a shell block 461 clamped in the shell groove 451, and the shell block 461 is clamped in the shell groove 451, so that the splicing of the adjusting shell 46 and the wrapping shell 45 is realized. The surface of the adjusting shell 46, which faces away from the wrapping shell 45, is provided with a convex shell 462, the convex shell 462 is arranged in a rectangular shape, the surface of the convex shell 462 is provided with three sets of third marks 463, and the outer wall of the corner block shell 42 is provided with third scales 422 corresponding to the third marks 463; the diameter of the adjusting shell 46 is larger than that of the second adjusting hole 421, and the diameter of the second adjusting hole 421 is larger than the diagonal line of the convex shell 462, so that the adjusting shell 46 fits the inner wall of the corner block shell 42, and the convex shell 462 is arranged in the second adjusting hole 421;

the linkage device 8 comprises three groups of wrapping cylinders 81 sleeved on the wrapping shell 45 and a gear mechanism 82 arranged between the three groups of wrapping cylinders 81; the inner wall of a parcel section of thick bamboo 81 is equipped with three sets of third ladder portions 811 corresponding with third scale 422, and third ladder portion 811 is located a parcel section of thick bamboo 81 and keeps away from the one end of gear mechanism 82, and the lateral wall of parcel shell 45 is equipped with the third regulating block 452 with third ladder portion 811 assorted, and third regulating block 452 contradicts with third ladder portion 811 to restriction parcel shell 45 is at a parcel section of thick bamboo 81 internal rotation. The adjusting distance of two adjacent steps of each group of third step portions 811 is 0.06mm, and the third adjusting blocks 452 are arranged in a triangular shape so as to rotate in the forward and reverse directions on the third step portions 811;

the gear mechanism 82 includes a shaft 821, three bevel gears 822 sleeved on the shaft 821 and a linkage gear 823 sleeved on the shaft 821, wherein the linkage gear 823 is engaged with the bevel gears 822. The shaft 821 comprises a tripod 8211 and a supporting rod 8212 fixed with the tripod 8211, the supporting rod 8212 is located in the middle of the tripod 8211, the linkage gear 823 is sleeved at the bottom of the supporting rod 8212, and the bevel gear 822 is sleeved at the tripod 8211. A linkage groove 453 is formed in one side, away from the adjusting shell 46, of the wrapping shell 45, one end of the bevel gear 822 is matched with the linkage groove 453, and one end of the bevel gear 822 extends into the linkage groove 453 to realize mutual linkage of the wrapping shell 45 and the bevel gear 822;

the convex shell 462 is rotated, the convex shell 462 and the adjusting shell 46 rotate synchronously, the adjusting shell 46 drives the wrapping shell 45 to rotate, the wrapping shell 45 rotates in the wrapping cylinder 81, the third adjusting block 452 of the wrapping shell 45 rotates on the third step portion 811, the wrapping shell 45 drives the bevel gear 822 to rotate, the bevel gear 822 drives the linkage gear 823 to rotate, the linkage gear 823 drives the other two groups of bevel gears 822 to rotate, and the like, so that the convex shell 462 is rotated simultaneously;

a return spring 83 is arranged in the wrapping barrel 81, the return spring 83 is positioned between the linkage groove 453 and the bevel gear 822, and the tripod 8211 is sleeved with the return spring 83; one end of the return spring 83 abuts against the bottom of the interlocking groove 453 and the other end abuts against the bevel gear 822. Reset spring 83 is in compression state between linkage groove 453 and bevel gear 822 for reset spring 83 will wrap up shell 45 and push away toward second regulation hole 421 direction, is favorable to wrapping up the magnetic part in the shell 45 and is close to arris piece body 5 more, makes the magnetic part in the parcel shell 45 and the magnetic part interact in the arris piece body 5. A squeezing groove 8221 is formed in the bevel gear 822, the tripod 8211 and the return spring 83 are sleeved in the squeezing groove 8221, and one end of the return spring 83 abuts against the bottom of the squeezing groove 8221;

a fixing frame 47 is arranged between the linkage device 8 and the corner block shell 42, and the wrapping cylinder 81 is arranged on the fixing frame 47. The bottom of mount 47 is equipped with fixed slot 471, is equipped with in the hornblock casing 42 with fixed slot 471 assorted fixed block 423, fixed block 423 is emboliaed to fixed slot 471, realizes that mount 47 fixes in hornblock casing 42. The surface of the fixing block 423 is provided with a supporting groove 424, the fixing frame 47 is provided with a supporting hole corresponding to the supporting groove 424, and the supporting rod 8212 penetrates through the protruding end of the supporting hole and is inserted into the supporting groove 424, so that the shaft 821 is arranged in the supporting groove 424, and the shaft 821 is fixed in the corner block shell 42;

the corner block shell cover 43 is provided with a fixed cylinder 431 matched with the supporting rod 8212, when the corner block shell cover 43 covers the corner block shell 42, the fixed cylinder 431 is sleeved on the supporting rod 8212, so that the fixed cylinder 431 is sleeved on the shaft rod 821; the corner block shell cover 43 comprises three splicing pieces 432 and a connecting frame 435 arranged between two adjacent splicing pieces 432, wherein one side of the connecting frame 435, which faces away from the splicing pieces 432, is abutted against the wrapping barrel 81; one surface of the splicing sheet 432 is provided with a clamping groove 433, and the corner block shell 42 is provided with a clamping block 427 matched with the clamping groove 433; the splice 432 has a splice 434 on one side and the corner block housing 42 has a mounting hole 425 that mates with the splice 434. The second oil storage groove 426 is formed in the outer side wall of the corner block shell 42, and the second oil storage groove 426 is arranged in a pyramid shape, so that lubricating oil and cleaning dust can be stored conveniently, and friction between the corner block shell 42 and the prism block shell 52 is reduced.

Referring to fig. 1 and 5, the adjustment tool 9 is arranged in a column shape, and one end of the adjustment tool 9 is provided with an adjustment groove 91 matched with the projection 621 of the positioning block 62, so that the projection 621 is adjusted by the adjustment groove 91 of the adjustment tool 9; the other end of the debugging tool 9 is provided with a debugging groove 92 matched with the convex shell 462 and the projection 5422, so that the convex shell 462 and the projection 5422 can be rotated by utilizing the debugging groove 92 of the debugging tool 9; the outer wall of the debugging tool 9 is provided with anti-slip lines 93, so that the phenomenon of slipping when the debugging tool 9 is applied is reduced.

The method for manually adding the lubricating oil into the magic cube 1 comprises the following steps: when the large clamping leg 58 of the prism block body 5 and the corner block clamping leg 41 of the corner block body 4 are dried and the friction force is increased, the magic cube 1 is in a non-moving state, and any whole layer of any surface of the magic cube 1 is pulled in the direction far away from the central shaft 2 of the magic cube 1, so that one central block body 3 moves in the direction far away from the central shaft 2; because the limiting shaft 213 limits the positioning block 62 to move in the direction away from the central shaft 2, the limiting shaft 213 presses the positioning block 62, the positioning block 62 presses the bearing ejector block 614, the bearing ejector block 614 presses the compression spring 612, the compression strength of the compression spring 612 is increased, and the buckle 6152 of the bearing ejector block 614 moves in the direction of the oil storage module 63, so that the buckle 6152 presses the backflow prevention film 631, the backflow prevention film 631 presses the oil storage film 632, the purpose of extruding the lubricating oil stored in the oil storage film 632 is achieved, and the lubricating oil flows into the gap between the backflow prevention film 633 and the bottom of the central block shell 31; lubricating oil is dripped between the large clamping pin 58 and the corner block clamping pin 41 from the oil outlet 313 at the bottom of the central block shell 31 to the third oil storage groove 411 of the corner block clamping pin 41, so that the third oil storage groove 411 stores the lubricating oil and the friction between the large clamping pin 58 and the corner block clamping pin 41 is reduced; and also to the outer side walls of the prism block housing 52 and the corner block housing 42 so that the first oil sump 528 and the second oil sump 426 store the lubricating oil.

The method for automatically adding the lubricating oil into the magic cube 1 comprises the following steps: when the magic cube 1 rotates to make positive and negative tolerance, the central block body 3 reciprocates back and forth along the length direction of the connecting shaft 21 of the central shaft 2 to trigger the limiting shaft 213 to extrude the positioning block 62, the positioning block 62 extrudes the bearing top block 614, the bearing top block 614 extrudes the compression spring 612, the compression strength of the compression spring 612 is increased, the buckle 6152 of the bearing top block 614 moves towards the oil storage module 63, so that the buckle 6152 extrudes the anti-backflow film 631, the anti-backflow film 631 extrudes the oil storage film 632, the purpose of extruding the lubricating oil stored in the oil storage film 632 is achieved, and the lubricating oil flows into a gap between the anti-backflow film 633 and the bottom of the central block shell 31; lubricating oil is dripped between the large clamping pin 58 and the corner block clamping pin 41 from the oil outlet 313 at the bottom of the central block shell 31 to the third oil storage groove 411 of the corner block clamping pin 41, so that the third oil storage groove 411 stores the lubricating oil and the friction between the large clamping pin 58 and the corner block clamping pin 41 is reduced; and also to the outer side walls of the prism block housing 52 and the corner block housing 42 so that the first oil sump 528 and the second oil sump 426 store the lubricating oil.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (38)

1. The utility model provides a rotation performance adjustable magic cube (1), includes center pin (2), center block body (3), arris piece body (5) and angle piece body (4), and center pin (2) are connected with center block body (3), and arris piece body (5) and angle piece body (4) card are between center block body (3) and center pin (2), and arris piece body (5) and angle piece body (4) slip joint, its characterized in that: the corner block is characterized in that a plurality of groups of magnetic modules and a linkage device (8) arranged among the magnetic modules are arranged in the corner block body (4), and the magnetic modules are linked through the linkage device (8).

2. A magic cube (1) with adjustable turning performance according to claim 1, characterized by: the linkage device (8) comprises a gear mechanism (82), and a plurality of groups of magnetic modules are linked through the gear mechanism (82).

3. A puzzle cube (1) of adjustable rotation in accordance with claim 2, wherein: linkage (8) are located a parcel section of thick bamboo (81) of magnetic module including the cover, be equipped with third step portion (811) in a parcel section of thick bamboo (81), the magnetic module be equipped with third step portion (811) assorted third regulating block (452), third regulating block (452) are contradicted with third step portion (811).

4. A puzzle cube (1) of adjustable rotation in accordance with claim 3, wherein: the magnetic module is provided with a linkage groove (453), and the magnetic module is linked with the gear mechanism (82) through the linkage groove (453).

5. A magic cube (1) with adjustable turning performance according to claim 4, characterized by: the gear mechanism (82) comprises a shaft lever (821), a bevel gear (822) sleeved on the shaft lever (821) and a linkage gear (823) sleeved on the shaft lever (821), wherein the linkage gear (823) is meshed with the bevel gear (822).

6. A magic cube (1) with adjustable turning performance according to claim 5, characterized by: one end of the bevel gear (822) is matched with the linkage groove (453) to be arranged, and the bevel gear (822) extends into the linkage groove (453).

7. A magic cube (1) with adjustable turning performance according to claim 6, characterized by: a return spring (83) is arranged between the linkage groove (453) and the bevel gear (822), the shaft rod (821) is sleeved with the return spring (83), one end of the return spring (83) is abutted against the bottom of the linkage groove (453), and the other end of the return spring is abutted against the bevel gear (822).

8. A puzzle cube (1) of adjustable rotation in accordance with claim 3, wherein: the magnetic module comprises a magnetic housing (44) and a magnetic member disposed in the magnetic housing (44).

9. A magic cube (1) with adjustable turning performance according to claim 8, characterized by: the side wall of the corner block body (4) is provided with a second adjusting hole (421), and the magnetic shell (44) is arranged in the second adjusting hole (421).

10. A puzzle cube (1) of adjustable rotation in accordance with claim 9, wherein: the magnetic shell (44) comprises a wrapping shell (45) and an adjusting shell (46) covering the wrapping shell (45), and the magnetic part is arranged in the wrapping shell (45) and the adjusting shell (46).

11. A puzzle cube (1) of adjustable rotation in accordance with claim 10, wherein: the surface of the adjusting shell (46) facing away from the wrapping shell (45) is provided with a convex shell (462) for rotating the adjusting shell (46).

12. A puzzle cube (1) of adjustable rotation in accordance with claim 11, wherein: the outer wall of the corner block body (4) is provided with a third scale (422) matched with the third step part (811), and the convex shell (462) is provided with a third mark (463) corresponding to the third scale (422).

13. A magic cube (1) with adjustable turning performance according to claim 1, characterized by: two groups of magnetic devices are arranged in the prism block body (5), and a linkage mechanism (7) for linking the two groups of magnetic devices is arranged between the two groups of magnetic devices.

14. A puzzle cube (1) of adjustable rotation in accordance with claim 13, wherein: linkage (7) wrap up cover (71) including the cover and locate magnetic means, be equipped with second ladder portion (711) in wrapping up cover (71), magnetic means be equipped with second ladder portion (711) assorted second regulating block (5413), second regulating block (5413) contradict with second ladder portion (711).

15. A puzzle cube (1) of adjustable rotation in accordance with claim 13, wherein: the linkage mechanism (7) further comprises linkage pipes (72), and the two groups of magnetic devices are linked through the linkage pipes (72).

16. A puzzle cube (1) of adjustable rotation in accordance with claim 15, wherein: the magnetic device is provided with a driving groove (5412) matched with the linkage pipe (72), and the linkage pipe (72) extends into the driving groove (5412) groove.

17. A puzzle cube (1) of adjustable rotation in accordance with claim 16, wherein: an extrusion spring (73) is arranged between the driving groove (5412) and the linkage pipe (72), one end of the extrusion spring (73) is abutted against the groove bottom of the driving groove (5412), and the other end of the extrusion spring is abutted against the pipe bottom of the linkage pipe (72).

18. A magic cube (1) with adjustable turning performance according to claim 1, characterized by: the edge block body (5) is provided with an edge block clamping pin assembly (51), and the edge block clamping pin assembly (51) comprises a clamping pin structure (56) and a buckling shaft (59) which penetrates through the clamping pin structure (56) and is clamped in the edge block body (5).

19. A puzzle cube (1) of adjustable rotation in accordance with claim 18, wherein: the clamping pin structure (56) comprises a large clamping pin (58) and an elastic seat (57), the large clamping pin (58) is provided with a through hole (581), the elastic seat (57) is provided with a splicing hole (571), and the buckling shaft (59) sequentially penetrates through the splicing hole (571) and the through hole (581) to be clamped in the prism block body (5).

20. A puzzle cube (1) of adjustable rotation in accordance with claim 19, wherein: a torsion spring (511) is connected between the large clamping foot (58) and the elastic seat (57), and the torsion spring (511) is sleeved on the buckling shaft (59).

21. A puzzle cube (1) of adjustable rotation in accordance with claim 20, wherein: a groove (582) is formed in a through hole (581) of the large clamping pin (58), a splicing groove (572) is formed in a splicing hole (571) of the elastic seat (57), inserting rods (512) are arranged at two ends of the torsion spring (511), and the inserting rods (512) at two ends of the torsion spring (511) are respectively inserted into the splicing groove (572) and the groove (582).

22. A puzzle cube (1) of adjustable rotation in accordance with claim 13, wherein: the side wall of the prism block body (5) is provided with a first adjusting hole (521), and the magnetic device is arranged in the first adjusting hole (521).

23. A puzzle cube (1) of adjustable rotation in accordance with claim 22, wherein: the magnetic device comprises a magnetic cover (54) and a magnetic part arranged in the magnetic cover (54).

24. A puzzle cube (1) of adjustable rotation in accordance with claim 23, wherein: the magnetic cover (54) comprises a wrapping cover (541) and an adjusting cover (542) covering the wrapping cover (541), and the magnetic piece is arranged in the wrapping cover (541).

25. A puzzle cube (1) of adjustable rotation in accordance with claim 24, wherein: the surface of the adjusting cover (542) departing from the wrapping cover (541) is provided with a projection (5422) for rotating the adjusting cover (542).

26. A puzzle cube (1) of adjustable rotation in accordance with claim 25, wherein: the outer wall of the prism block body (5) is provided with a second scale (522) matched with the second step part (711), and the surface of the protrusion (5422) is provided with a second mark (5423) pointing to the second scale (522).

27. A magic cube (1) with adjustable turning performance according to claim 1, characterized by: the center block body (3) is provided with a tensioning mechanism (6) connected with the center shaft (2).

28. A puzzle cube (1) of adjustable rotation in accordance with claim 27, wherein: tensioning mechanism (6) include elastic mechanism (61) and place locating piece (62) on elastic mechanism (61) in, locating piece (62) and center pin (2) joint.

29. A puzzle cube (1) of claim 28, wherein: one side that locating piece (62) deviates from elastic mechanism (61) is equipped with lug (621) that are used for rotating locating piece (62), lug (621) are equipped with constant head tank (622), center pin (2) are including spacing axle (213), the circular setting of transversal personally submitting of spacing axle (213), spacing axle (213) are arranged in constant head tank (622).

30. A puzzle cube (1) of adjustable rotation in accordance with claim 29, wherein: the elastic mechanism (61) comprises a bearing mechanism (611) and a compression spring (612) sleeved on the bearing mechanism (611), and two ends of the compression spring (612) are abutted against the bearing mechanism (611).

31. A puzzle cube (1) of adjustable rotation in accordance with claim 30, wherein: the bearing mechanism (611) comprises a bearing bottom block (613) and a bearing top block (614) clamped on the bearing bottom block (613).

32. A puzzle cube (1) of adjustable rotation in accordance with claim 31, wherein: the bearing bottom block (613) is provided with a buckling hole (6151), the bearing top block (614) is provided with a buckle (6152) matched with the buckling hole (6151), and the buckle (6152) is buckled into the buckling hole (6151).

33. A puzzle cube (1) of adjustable rotation in accordance with claim 31, wherein: a first step part (6144) is arranged in the bearing top block (614), a first adjusting block (626) matched with the first step part (6144) is arranged on the positioning block (62), and the first adjusting block (626) is abutted against the first step part (6144).

34. A puzzle cube (1) of adjustable rotation in accordance with claim 33, wherein: the bearing ejector block (614) is provided with a circular groove (6142), the positioning block (62) is arranged in the circular groove (6142), the circular groove (6142) is provided with a first scale (6145) matched with the first step portion (6144), and the side wall of the bump (621) is provided with a first mark (625) pointing to the first scale (6145).

35. A puzzle cube (1) of adjustable rotation in accordance with claim 27, wherein: an oil storage module (63) is arranged between the central block body (3) and the tensioning mechanism (6).

36. A puzzle cube (1) of adjustable rotation in accordance with claim 35, wherein: oil outlet (313) have been seted up to the bottom of center block body (3), oil outlet (313) are located the bottom of oil storage module (63).

37. A puzzle cube (1) of adjustable rotation in accordance with claim 35, wherein: the oil storage module (63) comprises an anti-backflow film (631), an oil storage film (632) and an anti-backflow film (633) which are sequentially arranged, and the anti-backflow film (633) is attached to an oil outlet (313) of the center block body (3).

38. A puzzle cube (1) of adjustable rotation in accordance with claim 35, wherein: the tensioning mechanism (6) is provided with an oil filling structure (616) used for filling oil into the oil storage module (63), the oil filling structure (616) comprises an oil filling hole (6161) and an oil filling pipe (6162), and the oil filling pipe (6162) extends into the oil filling hole (6161).

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