CN214913272U - Kernel structure of pyramid magic cube - Google Patents

Abstract

The utility model relates to an inner core structure of a pyramid magic cube, which comprises a central shaft in a four-foot pyramid shape, a plurality of central block bodies, a plurality of prism block bodies and a plurality of corner block bodies in a tetrahedron shape, wherein the central shaft penetrates through the protruding end of the central block bodies and is connected with the corner block bodies, and the prism block bodies are clamped between two adjacent central block bodies and the central shaft; the edge block body comprises a clamping pin assembly, the edge block body is clamped between two adjacent center block bodies and a center shaft through the clamping pin assembly, the clamping pin assembly is abutted to the outer wall of the bottom of the center block body, and the outer walls of the bottoms of the center block bodies are arranged in a spherical mode so that the clamping pin assembly can slide between the center block bodies. The fault tolerance of the center block body and the edge block body is easier, the clamping is less or even no clamping is carried out, and the experience of playing the pyramid magic cube is optimized.

Description

Kernel structure of pyramid magic cube

Technical Field

The utility model belongs to the technical field of the technique of magic cube and specifically relates to an inner core structure of pyramid magic cube is related to.

Background

Since the advent of the magic cube, the magic cube is popular and easy to understand and has high universal flexibility due to the strong intelligence-developing function for human beings, and the magic cube must be played by players with concentrated mind, continuous thinking and impatience, so that the magic cube becomes a toy for developing special intelligence and a toy for checking the intelligence level and maturity of the players, thereby attracting a batch of players. The three-order magic cube is the most common, and in order to enrich the playing methods of the magic cube, the pyramid magic cube is invented.

The core of the traditional pyramid magic cube consists of a center block clamping pin and a prism block clamping pin, wherein the center block clamping pin is abutted with the prism block clamping pin, the cross section of the center block clamping pin is arranged in an isosceles triangle shape, and the center block clamping pin is equivalent to a track; the core of the pyramid magic cube is not beneficial to the fault-tolerant motion of the pyramid magic cube, the amplitude of the fault-tolerant motion of the pyramid magic cube is small, and the phenomenon of stuttering is easy to occur, so that the experience of playing the magic cube is influenced; the core structure of the traditional pyramid magic cube is complex and is not beneficial to assembly.

Chinese utility model patent that publication number is CN211752401U discloses a pyramid magic cube with adjustable magnetic force, the core of the pyramid magic cube shown in its figure 5 is put between the card foot and the center block of center block for the card foot card of arris piece, because the clearance between the card foot of center block and center block is less, consequently, the range that fault-tolerant motion was done to this kind of pyramid magic cube is less, and can block when doing fault-tolerant motion, be unfavorable for optimizing the experience of playing the pyramid magic cube, be unfavorable for utilizing this kind of pyramid magic cube to participate in the magic cube and compete the speed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an inner core structure of pyramid magic cube to the fault-tolerant motion is done to the pyramid magic cube, and it has the advantage that reduces the card pause.

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

an inner core structure of a pyramid magic cube comprises a central shaft, a plurality of central block bodies, a plurality of prism block bodies and a plurality of corner block bodies, wherein the central shaft is arranged in a four-foot pyramid shape, the corner block bodies are arranged in a tetrahedron shape, the central shaft penetrates through the protruding end of each central block body to be connected with the corner block bodies, and the prism block bodies are clamped between two adjacent central block bodies and the central shaft; the edge block body comprises a clamping pin assembly, the edge block body is clamped between two adjacent center block bodies and a center shaft through the clamping pin assembly, the clamping pin assembly is abutted to the outer wall of the bottom of the center block body, and the outer wall of the bottom of the center block body is in a spherical arrangement so that the clamping pin assembly can slide between the center block bodies.

The utility model discloses further set up to: the clamping pin assembly comprises a large clamping pin abutted against the central block body and a small clamping pin detachably connected with the large clamping pin.

The utility model discloses further set up to: the edge block body comprises an edge block shell integrally formed with a large clamping pin, the large clamping pin is provided with a mounting hole, the small clamping pin is provided with a mounting rod matched with the mounting hole, and the mounting rod is inserted into the mounting hole to realize the connection of the small clamping pin and the large clamping pin.

The utility model discloses further set up to: the pore wall of mounting hole is equipped with the installation and detains, the installation pole is equipped with and detains matched with mounting groove with the installation, the installation is detained in the mounting groove to the restriction installation pole is deviate from in the mounting hole.

The utility model discloses further set up to: big card foot and little card foot all are oval setting, are oval setting big card foot and little card foot's major axis mutually perpendicular, when rotating the pyramid magic cube, big card foot passes from the clearance between little card foot and the central block body.

The utility model discloses further set up to: the bottom of the central block body is provided with a cylinder, and the clamping pin assemblies surround the cylinder, so that the cylinder supports the clamping pin assemblies, and the clamping pin assemblies are reduced from swinging when the pyramid magic cube is rotated.

The utility model discloses further set up to: a gap exists between the cylinder and the clamping pin assembly so as to increase the amplitude of fault-tolerant motion of the pyramid magic cube.

The utility model discloses further set up to: the central shaft penetrates through the cylinder, and the central block body is assembled with the central shaft.

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

1. the utility model has the advantages of scientific and reasonable design and simple structure, compared with the prior art, the clamping pin component of the prism block shell is clamped between the two adjacent center block bodies and the center shaft, the clamping pin component is abutted against the outer wall at the bottom of the center block body, and the outer walls at the bottom of the center block bodies are arranged in a spherical shape, so that the clamping pin component slides in the spherical shape formed by the outer walls at the bottom of the center block bodies; on one hand, the clamping pin assembly slides more easily with the outer wall of the bottom of the plurality of center block bodies, so that the center block bodies slide more easily with the edge block bodies, and on the other hand, the clamping pin assembly is convenient for the spherical inner fault tolerance formed at the bottom of the plurality of center block bodies, so that the fault tolerance of the center block bodies and the edge block bodies is easier, the fault tolerance range of the clamping pin assembly is larger than that of the existing pyramid magic cube, the clamping is less or even no clamping is performed, so that the pyramid magic cube can be rotated, and the experience of playing the pyramid magic cube is optimized;

2. the clamping pin assembly comprises a large clamping pin and a small clamping pin detachably connected with the large clamping pin, the small clamping pin is inserted into the large clamping pin through an installation rod, and an installation buckle and an installation groove structure for limiting the installation rod to fall off from an installation hole are arranged between the installation rod and an installation hole of the large clamping pin, so that the connection of the large clamping pin and the small clamping pin is more fixed;

3. the large clamping pins and the small clamping pins are arranged in an oval shape, and long axes of the large clamping pins and the small clamping pins arranged in the oval shape are perpendicular to each other, so that the clamping pin assemblies form a cross-shaped positioning structure between the plurality of center block bodies, and the prism block bodies and the plurality of center block bodies are positioned in a cross-shaped manner through the clamping pin assemblies, and the pyramid magic cube is novel in design so as to be convenient for rotating the pyramid magic cube and optimize the experience of playing the pyramid magic cube;

4. the bottom of the central block body is provided with the cylinder, the large clamping feet of the clamping foot assemblies surround the cylinder, and when the pyramid magic cube does fault-tolerant motion, the cylinder supports the large clamping feet so as to reduce the swing of the pyramid magic cube, so that the fault-tolerant motion of the pyramid magic cube is more stable, and the experience of playing the magic cube is optimized.

Drawings

Fig. 1 is an exploded view of the pyramid magic cube of the present invention;

fig. 2 is a cross-sectional view of the pyramid magic cube of the present invention;

fig. 3 is a schematic structural view of the center shaft of the present invention;

fig. 4 is an exploded view of the center shaft of the present invention;

fig. 5 is an exploded view of the center shaft 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 prism body of the present invention;

fig. 8 is an exploded view of the center block body of the present invention;

fig. 9 is an exploded view of the center block body of the present invention.

In the figure, 1, central axis; 11. a connecting shaft; 111. a column shaft; 112. a card slot; 12. an axis; 121. a shaft groove; 2. a center block body; 21. a center block housing; 211. a connecting cylinder; 212. buckling blocks; 213. an adjustment hole; 214. a first scale; 215. an oil sump; 216. a cylinder; 22. a center block shell cover; 221. a clamping groove; 222. a connecting strip; 223. connecting grooves; 224. a connecting rod; 225. buckling grooves; 23. clamping the shell; 3. a prism block body; 31. a prism block housing; 311. assembling the cylinders; 312. buckling strips; 313. a through hole; 32. a prism block shell cover; 321. assembling the rods; 322. buckling a cavity; 323. assembling the grooves; 324. assembling the strips; 33. a clip assembly; 34. a large clamping pin; 341. mounting holes; 342. installing a buckle; 35. a small clamping pin; 351. mounting a rod; 352. mounting grooves; 36. a clamping cover; 37. an insert block; 4. a corner block body; 41. a corner block bottom shell; 411. a limiting cover; 412. a second scale; 413. a limiting hole; 414. a limiting column; 415. a placement groove; 416. buckling holes; 42. a corner block housing cover; 421. a plug rod; 422. buckling; 423. a card cavity; 424. clamping the strip; 43. a snap ring; 44. an adjusting block; 441. a bump; 442. a second identifier; 443. a third identifier; 5. a magnetic module; 51. a magnetic member; 6. a linkage mechanism; 61. fixing the shaft sleeve; 611. fixing the rod; 612. a limiting bulge; 62. a drive gear; 621. a clamping block; 622. a thread groove; 63. an adjustment cover; 631. a clamping groove; 632. an adjustment groove; 633. a first identifier; 64. a linkage gear; 65. mounting the cylinder; 651. a threaded rod; 7. a floating mechanism; 71. a compression spring; 72. a limiting cover; 721. a limiting block; 722. a limiting groove; 723. a step portion.

Detailed Description

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

Referring to fig. 1 to 9, for this patent discloses a pyramid magic cube, the pyramid magic cube is the special-shaped shape setting of tetrahedron, and the pyramid magic cube includes center pin 1, four center block bodies 2, six arris block bodies 3 and four corner block bodies 4, and center pin 1 runs through the protruding end of center block body 2 and is connected with corner block body 4, and in center pin 1 stretched into corner block body 4, corner block body 4 wedging center block body 2, arris block body 3 card was put between two adjacent center block bodies 2 and center pin 1 to form the pyramid magic cube.

The central shaft 1 is arranged in a four-foot pyramid shape to form a framework of the pyramid magic cube; the central shaft 1 comprises four connecting shafts 11, the four connecting shafts 11 are intersected at one point, the axes of the four connecting shafts 11 are intersected at one point, and the four connecting shafts 11 are integrally formed to form the central shaft 1; the diameter of one end of the connecting shaft 11 is larger than that of the other end, wherein the end with the larger diameter of the connecting shaft 11 is intersected with the other connecting shaft 11, so that the central shaft 1 can bear larger bearing capacity. The circumferential side wall of the connecting shaft 11 is provided with a clamping groove 112, and the clamping groove 112 is located at the end of the connecting shaft 11 far away from another connecting shaft 11, that is, the clamping groove 112 is located at the end of the central shaft 1. The included angle between two adjacent connecting shafts 11 is about 109.5 degrees, the central shaft 1 is projected on a plane from the end part of the tail end of one connecting shaft 11, and in the plane, the angle formed by the projections of the two adjacent connecting shafts 11 is 120 degrees, so that the projections of the three connecting shafts 11 of the central shaft 1 form the included angles with the same three angles. The central shaft 1 can be made of metal or plastic, wherein the central shaft 1 made of metal can bear larger bearing capacity.

The central shaft 1 may also include a shaft center 12 and four connecting shafts 11, wherein a shaft groove 121 is formed at an end of the shaft center 12, a shaft post 111 matched with the shaft groove 121 is arranged at an end of the connecting shaft 11, and the shaft post 111 extends into the shaft groove 121, so that the connecting shaft 11 and the shaft center 12 are positioned, and the connecting shaft 11 and the shaft center 12 are welded and fixed. Alternatively, the end of the shaft center 12 is provided with a shaft post 111, the end of the connecting shaft 11 is provided with a shaft groove 121 matched with the shaft post 111, and the shaft post 111 extends into the shaft groove 121 to realize the positioning of the connecting shaft 11 and the shaft center 12, so that the connecting shaft 11 and the shaft center 12 are welded and fixed. The shaft center 12 can also be integrally formed with a connecting shaft 11, a shaft groove 121 is formed at the end of the shaft center 12, a shaft post 111 matched with the shaft groove 121 is arranged at the end of the connecting shaft 11, and the shaft post 111 extends into the shaft groove 121 to realize the positioning of the connecting shaft 11 and the shaft center 12, so that the connecting shaft 11 and the shaft center 12 can be welded and fixed conveniently; alternatively, the end of the shaft center 12 is provided with a shaft post 111, the end of the connecting shaft 11 is provided with a shaft groove 121 matched with the shaft post 111, and the shaft post 111 extends into the shaft groove 121 to realize the positioning of the connecting shaft 11 and the shaft center 12, so that the connecting shaft 11 and the shaft center 12 are welded and fixed.

A magnetic module 5 is arranged between the center block body 2 and the edge block body 3, so that when the pyramid magic cube is rotated, the center block body 2 and the edge block body 3 can be conveniently positioned, and the experience of playing the pyramid magic cube is optimized; another magnetic module 5 is arranged between the central block body 2 and the corner block body 4, and when the pyramid magic cube is rotated, the central block body 2 and the corner block body 4 are positioned conveniently, so that the experience of playing the magic cube is optimized. The magnetic module 5 comprises at least two magnetic pieces 51, the magnetic pieces 51 are arranged at corresponding positions in the center block body 2 and the corner block body 4, and the magnetic pieces 51 are arranged at corresponding positions in the center block body 2 and the corner block body 3, so that the magnetic pieces 51 corresponding to each other can play a role, and the experience of playing the magic cube is optimized.

The center block body 2 comprises a center block shell 21, three center block shell covers 22 covering the center block shell 21 and a clamping shell 23 clamped among the three center block shell covers 22, and the clamping shell 23 is positioned on one side of the center block shell cover 22 far away from the center block shell 21; a clamping groove 221 is formed among the three center block shell covers 22, and the clamping shell 23 is placed in the clamping groove 221. The side of the center block shell cover 22 is provided with a connecting bar 222, the other center block shell cover 22 is provided with a connecting groove 223 matched with the connecting bar 222, and the connecting bar 222 is clamped in the connecting groove 223 to realize the assembly of the two center block shell covers 22; the connecting groove 223 is a dovetail groove to limit the connecting bar 222 to be separated from the connecting groove 223, so that the two central block shell covers 22 are assembled more stably; the coupling grooves 223 and the coupling bars 222 are provided at both sides of the center block case cover 22 so that the structure of each center block case cover 22 is the same, thereby improving the efficiency of assembling the center block case cover 22. The center block shell cover 22 is provided with a connecting rod 224, a connecting cylinder 211 matched with the connecting rod 224 is arranged in the center block shell 21, and the connecting rod 224 extends into the connecting cylinder 211 to realize the assembly of the center block shell cover 22 and the center block shell 21; the inner wall of the connecting cylinder 211 is provided with a buckling block 212, the connecting rod 224 is provided with a buckling groove 225 matched with the buckling block 212, and the buckling block 212 is clamped in the buckling groove 225 to limit the connecting rod 224 to be separated from the connecting cylinder 211, so that the central block shell cover 22 and the central block shell 21 are assembled more stably.

Be equipped with link gear 6 between central block casing 21 and the card shell 23 of putting, link gear 6 covers locates connecting axle 11, and link gear 6 contacts with the card shell 23 of putting, and link gear 6 is used for adjusting a plurality of magnetic part 51 in the central block casing 21 simultaneously for it is easier to adjust the magnetic part 51 in the central block body 2, and the range that three magnetic part 51 in the central block body 2 was adjusted is the same, is favorable to optimizing the experience of playing the pyramid magic cube. The linkage mechanism 6 comprises a fixed shaft sleeve 61 sleeved on the connecting shaft 11, three driving gears 62 mounted on the fixed shaft sleeve 61, an adjusting cover 63 sleeved on the driving gears 62 in a linkage manner, and a linkage gear 64 meshed with the three driving gears 62, wherein the linkage gear 64 is sleeved on the connecting shaft 11, the linkage gear 64 is positioned between the fixed shaft sleeve 61 and the central block shell 21, the linkage gear 64 is in contact with the fixed shaft sleeve 61, and the fixed shaft sleeve 61 is in contact with the clamping shell 23. The outer walls of the two sides of the driving gear 62 are provided with clamping blocks 621, the adjusting cover 63 is provided with clamping grooves 631 matched with the clamping blocks 621, the clamping blocks 621 are clamped in the clamping grooves 631, and linkage of the adjusting cover 63 and the driving gear 62 is achieved; the adjusting cover 63 is provided with a mounting cylinder 65 therein, the magnetic member 51 is arranged in the mounting cylinder 65, and the bottom of the mounting cylinder 65 contacts with the center block housing 21, so that the magnetic member 51 in the center block housing 21 interacts with the magnetic member 51 in the prism block body 3. Threaded rods 651 are arranged on the outer walls of two sides of the installation barrel 65, double (two) threaded grooves 622 matched with the threaded rods 651 are formed in the driving gear 62, the threaded rods 651 are arranged in the threaded grooves 622, the threaded rods 651 slide in the threaded grooves 622, and reciprocating motion of the installation barrel 65 in the driving gear 62 is achieved. Three fixing rods 611 are uniformly arranged on the side wall of the fixing shaft sleeve 61, and the driving gear 62 is sleeved on the fixing rods 611, so that the driving gear 62 is installed on the fixing shaft sleeve 61; the end of the fixing rod 611 is provided with a limiting protrusion 612, the cross section of the limiting protrusion 612 is arranged in a regular hexagon, and the opening of the mounting cylinder 65 is sleeved on the limiting protrusion 612 to limit the rotation of the mounting cylinder 65, so that the mounting cylinder 65 can reciprocate back and forth along the length direction of the fixing rod 611, the magnetic element 51 is driven to reciprocate back and forth along the length direction of the fixing rod 611, and the position of the magnetic element 51 in the central block body 2 is adjusted. The lateral wall of center block casing 21 is seted up with adjusting cover 63 complex regulation hole 213, adjusts cover 63 and stretches into in adjusting hole 213 for installation section of thick bamboo 65 is arranged in adjusting hole 213, so that installation section of thick bamboo 65 is close to arris piece body 3 more, so that the magnetic part 51 in the installation section of thick bamboo 65 and the magnetic part 51 interact in the arris piece body 3. The side wall of the adjusting cover 63 is provided with an adjusting groove 632, the adjusting groove 632 and the clamping groove 631 are respectively positioned at two ends of the adjusting cover 63, and the adjusting cover 63 is positioned in the adjusting hole 213, so that the adjusting cover 63 can be driven to rotate by a tool through the adjusting groove 632;

utilize the instrument to order about through adjustment tank 632 and adjust the cover 63 and rotate, it orders about drive gear 62 to rotate to adjust the cover 63, on the one hand, drive gear 62 orders about installation section of thick bamboo 65 through thread groove 622 along dead lever 611 length direction reciprocating motion back and forth, realize adjusting the magnetic part 51 of arranging in installation section of thick bamboo 65, on the other hand, drive gear 62 orders about other drive gear 62 through linked gear 64 and rotates, realize the linkage of three drive gear 62, realize adjusting three magnetic part 51 in the central piece body 2 simultaneously, thereby realize adjusting the magnetic module 5 between central piece body 2 and the arris piece body 3 simultaneously.

The outer wall of the center block housing 21 is provided with a first scale 214 for indicating the magnitude of the magnetic force acting on the magnetic member 51 in the center block body 2, and the adjustment cover 63 is provided with a first mark 633 pointing to the first scale 214, so that the adjustment cover 63 can be rotated according to the condition that the first mark 633 points to the first scale 214 to adjust the magnetic member 51 in the center block body 2. The outer wall of center piece casing 21 is equipped with a plurality of oil grooves 215, and oil groove 215 is the pyramid shape setting, scribbles lubricating oil in oil groove 215 to reduce the friction between center piece casing 21 and the arris piece body 3, be favorable to promoting the experience of playing the pyramid magic cube. The bottom of the central block shell 21 is provided with a cylinder 216, the cylinder 216 is positioned on the surface of the central block shell 21 departing from the clamping shell 23, and the connecting shaft 11 sequentially penetrates through the cylinder 216 and the protruding end of the clamping shell 23 to be connected with the corner block body 4. Be equipped with magnetic member 51 between chucking shell 23 and the center block cap 22, center block cap 22 is equipped with the groove that is used for placing magnetic member 51, and magnetic member 51 is arranged in the inslot of center block cap 22 for it is compacter between chucking shell 23 and the center block cap 22, so that this magnetic member 51 and the magnetic member 51 interact in the angle block body 4, be favorable to center block body 2 and angle block body 4 location, thereby optimize the experience of playing the pyramid magic cube.

The prism body 3 comprises a prism shell 31, two prism shell covers 32 covering the prism shell 31 and a clamping pin assembly 33 positioned at the bottom of the prism shell 31 far away from the prism shell covers 32. The clamping pin assembly 33 is clamped between the two adjacent central block bodies 2 and the central shaft 1, so that the prism block body 3 is clamped between the two adjacent central block bodies 2 and the central shaft 1; the bottom surfaces of the four central block shells 21 departing from the central block shell cover 22 are arranged in a spherical shape, and the clamping foot assemblies 33 are abutted to the bottom of the central block shells 21 to form the inner core of the pyramid magic cube. The clamping pin assembly 33 comprises a large clamping pin 34 integrally formed with the prism block shell 31 and a small clamping pin 35 detachably connected with the large clamping pin 34, and the small clamping pin 35 is positioned at the bottom of the large clamping pin 34, which is far away from the prism block shell 31; the large clamping pin 34 is provided with a mounting hole 341, the small clamping pin 35 is provided with a mounting rod 351 matched with the mounting hole 341, and the mounting rod 351 is inserted into the mounting hole 341 to realize the assembly of the small clamping pin 35 and the large clamping pin 34; the installation hole 341 is internally provided with an installation buckle 342, the side wall of the installation rod 351 is provided with an installation groove 352 matched with the installation buckle 342, and the installation buckle 342 is buckled in the installation groove 352 to limit the installation rod 351 to be separated from the installation hole 341. Big card foot 34 and little card foot 35 all are the oval setting, and big card foot 34 contacts with the bottom of center block body 2, and big card foot 34 is perpendicular with the major axis of little card foot 35, and when rotating the pyramid magic cube, big card foot 34 passes from the clearance between little card foot 35 and the center block casing 21 for it is more regular and orderly to rotate the pyramid magic cube. Because the bottom of the central block shell 21 is provided with the cylinder 216, and the four large clamping feet 34 surround the cylinder 216, when the pyramid magic cube does fault-tolerant motion, the cylinder 216 supports the large clamping feet 34 to reduce the swing of the large clamping feet 34, so that the pyramid magic cube is more stable. There is a gap between the cylinder 216 and the large catch 34 to increase the amplitude of the fault tolerant movement of the pyramid cube, thereby optimizing the experience of playing the pyramid cube.

The prism block shell cover 32 is provided with an assembling rod 321, the prism block shell 31 is provided with an assembling barrel 311 matched with the assembling rod 321, and the assembling rod 321 is inserted into the assembling barrel 311 to realize the assembling of the prism block shell cover 32 and the prism block shell 31. The inner wall of the assembling cylinder 311 is provided with a buckling strip 312, the side wall of the assembling rod 321 is provided with a buckling cavity 322 matched with the buckling strip 312, and the buckling strip 312 is clamped in the buckling cavity 322 to limit the assembling rod 321 to be separated from the assembling cylinder 311. The arris piece cap 32 is equipped with the groove 323 of piecing together, assembles groove 323 and is the dovetail, and another arris piece cap 32 is equipped with and assembles groove 323 matched with and assembles strip 324, assembles strip 324 card and goes into in the groove 323 of piecing together, on the one hand, realizes assembling of two pieces of arris piece caps 32, and on the other hand, two pieces of arris piece caps 32 that the restriction was assembled scatter. The assembly groove 323 and the assembly strip 324 are both disposed on the prism block case cover 32, and the assembly strip 324 and the assembly groove 323 are located on the same straight line. The inner wall of the prism block shell 31 is provided with a clamping cover 36, the clamping cover 36 is detachably clamped with the inner wall of the prism block shell 31, and the magnetic piece 51 is arranged in the clamping cover 36 to fix the magnetic piece 51 on the prism block shell 31; the through hole 313 is seted up to the lateral wall of arris piece casing 31, has connect the inserted block 37 that is used for blockking up through hole 313 in the through hole 313, and inserted block 37 is equipped with the CD line, and inserted block 37 passes through the CD line and the butt of magnetic part 51 to restriction magnetic part 51 is through the through hole 313 deviate from the arris piece casing 31. Insert 37 is made of a transparent material to facilitate viewing of magnetic member 51 within prism housing 31 through hole 313.

The corner block body 4 is arranged in a tetrahedron shape, the corner block body 4 comprises a corner block bottom shell 41 and three corner block shell covers 42 covering the corner block bottom shell 41, a clamping ring 43 is arranged between the corner block bottom shell 41 and the corner block shell covers 42, a protruding end of the connecting shaft 11 penetrating through the corner block bottom shell 41 extends into the corner block body 4 and is clamped with the clamping ring 43 through a clamping groove 112, and the connection of the corner block body 4 and the connecting shaft 11 is realized; the snap ring 43 is provided with two holes so as to be extended into the two holes of the snap ring 43 with a tool, making it easier to snap the snap ring 43 into the snap groove 112 of the connecting shaft 11. A floating mechanism 7 is arranged between the clamping ring 43 and the corner block bottom shell 41, the connecting shaft 11 is sleeved with the floating mechanism 7, an adjusting block 44 is arranged between the floating mechanism 7 and the clamping ring 43, the protruding end of the connecting shaft 11 penetrating through the adjusting block 44 is connected with the clamping ring 43 in a clamping mode through a clamping groove 112, an adjusting assembly is arranged between the adjusting block 44 and the floating mechanism 7, and the adjusting block 44 adjusts the axle distance of the corner block body 4 through the adjusting assembly. The corner block bottom shell 41 is provided with a limiting cover 411, the limiting cover 411 extends towards the direction of the central block body 2, the limiting cover 411 extends into the clamping shell 23 of the central block body 2, and a gap exists between the limiting cover 411 and the fixed shaft sleeve 61. The floating mechanism 7 comprises a compression spring 71 and a limit cover 72, the limit cover 72 is arranged in the limit cover 411, one end of the compression spring 71 is abutted against the cover bottom of the limit cover 411, the other end of the compression spring is abutted against the limit cover 72, and the compression spring 71 is in a compressed state; the compression spring 71 is sleeved on the connecting shaft 11, and the connecting shaft 11 penetrates through the limit cover 72. The circumference lateral wall of spacing lid 72 is equipped with a plurality of stopper 721, and spacing cover 411 is seted up with stopper 721 assorted spacing hole 413, stopper 721 card in spacing hole 413 to spacing lid 72 of restriction deviates from spacing cover 411. The length of the limiting hole 413 is greater than the thickness of the limiting block 721, so that the limiting block 721 can reciprocate back and forth in the limiting hole 413 along the length direction of the connecting shaft 11, the limiting cover 72 can reciprocate back and forth in the limiting cover 411 along the length direction of the connecting shaft 11, and the distance between the two shafts of the corner block body 4 can be changed. The inner wall of the limiting cover 411 is provided with a limiting column 414, the limiting column 414 and the limiting hole 413 are arranged at intervals, the side wall of the limiting cover 72 is provided with a limiting groove 722 matched with the limiting column 414, and the limiting column 414 is arranged in the limiting groove 722 to limit the limiting cover 72 to rotate in the limiting cover 411. The adjusting assembly comprises a plurality of sets of step portions 723 arranged on the limiting cover 72 and four bumps 441 arranged on the adjusting block 44, the step portions 723 are located on the surface, facing away from the compression spring 71, of the limiting cover 72, the bumps 441 are arranged in a matched mode with the step portions 723, and the bumps 441 are abutted to the step portions 723; the adjusting block 44 is rotated to move the projection 441 on the step 723, so that the limiting cover 72 is driven to reciprocate back and forth along the length direction of the connecting shaft 11, the compression state of the compression spring 71 is changed, and the wheel base of the corner block body 4 is adjusted. The cross section of the protruding block 441 is arranged in a triangular shape, so that the protruding block 441 can only rotate in one direction on the stepped portion 723, and a third mark 443 matched with the rotation direction of the protruding block 441 is arranged on the surface of the adjusting block 44 facing away from the limiting cover 72, so as to facilitate the rotation of the adjusting block 44. The opening of the limiting cover 411 is provided with a second scale 412, the second scale 412 is matched with the stepped portion 723, the distance between the axle distances of the two stepped adjusting corner block bodies 4 adjacent to the stepped portion 723 is 0.1mm, and the side wall of the adjusting block 44 is provided with a second mark 442 pointing to the second scale 412, so that the axle distance of the corner block bodies 4 can be observed conveniently. The corner block bottom shell 41 is provided with a placing groove 415, and the magnetic piece 51 is placed in the placing groove 415, so that the interaction between the magnetic piece 51 and the magnetic piece 51 between the clamping shell 23 and the central block shell cover 22 is changed, the alignment and the positioning of the corner block body 4 and the central block body 2 are easier, and the experience of playing the pyramid magic cube is optimized. The corner block cover 42 is provided with a plug rod 421, and the plug rod 421 is inserted into the placing groove 415, so that on one hand, the corner block cover 42 and the corner block bottom cover 41 are assembled, and on the other hand, the plug rod 421 limits the magnetic part 51 in the placing groove 415 to be separated. The wall of the placement groove 415 is provided with a fastening hole 416, the sidewall of the insertion rod 421 is provided with a fastener 422 matching with the fastening hole 416, and the fastener 422 is fastened in the fastening hole 416 to limit the insertion rod 421 from being removed from the placement groove 415. The lateral wall of corner piece cap 42 is equipped with card chamber 423, card chamber 423 is the dovetail, another corner piece cap 42's lateral wall is equipped with and blocks chamber 423 matched with card strip 424, card strip 424 blocks into card chamber 423, not only realize that two corner piece caps 42 assemble, piece together two corner piece caps 42 together in addition more fixed, card chamber 423 and card strip 424 set up the both sides at corner piece cap 42 respectively, so that two adjacent corner piece caps 42 assemble.

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 (8)

1. The utility model provides an inner core structure of pyramid magic cube which characterized in that: the corner block comprises a central shaft (1) which is arranged in a four-foot pyramid shape, a plurality of central block bodies (2), a plurality of edge block bodies (3) and a plurality of corner block bodies (4) which are arranged in a tetrahedron shape, wherein the central shaft (1) penetrates through the protruding end of each central block body (2) to be connected with the corner block bodies (4), and the edge block bodies (3) are clamped between two adjacent central block bodies (2) and the central shaft (1); edge block body (3) are including card foot subassembly (33), edge block body (3) are put between two adjacent center block bodies (2) and center axle (1) through card foot subassembly (33) card, card foot subassembly (33) and the bottom outer wall butt of center block body (2), and are a plurality of the bottom outer wall of center block body (2) is spherical setting to card foot subassembly (33) slides between a plurality of center block bodies (2).

2. The core structure of the pyramid magic cube of claim 1, wherein: the clamping pin assembly (33) comprises a large clamping pin (34) abutted to the central block body (2) and a small clamping pin (35) detachably connected with the large clamping pin (34).

3. The core structure of the pyramid magic cube of claim 2, wherein: the edge block body (3) comprises an edge block shell (31) integrally formed with a large clamping pin (34), a mounting hole (341) is formed in the large clamping pin (34), a mounting rod (351) matched with the mounting hole (341) is arranged on the small clamping pin (35), the mounting rod (351) is inserted into the mounting hole (341), and the small clamping pin (35) is connected with the large clamping pin (34).

4. The core structure of the pyramid magic cube of claim 3, wherein: the wall of the mounting hole (341) is provided with a mounting buckle (342), the mounting rod (351) is provided with a mounting groove (352) matched with the mounting buckle (342), and the mounting buckle (342) is buckled into the mounting groove (352) to limit the mounting rod (351) from being separated from the mounting hole (341).

5. The core structure of the pyramid magic cube of claim 2, wherein: big card foot (34) and little card foot (35) all are the oval setting, are the oval setting the major axis mutually perpendicular of big card foot (34) and little card foot (35), when rotating the pyramid magic cube, big card foot (34) pass from the clearance between little card foot (35) and central block body (2).

6. The core structure of the pyramid magic cube of claim 1, wherein: the bottom of the central block body (2) is provided with a cylinder (216), and a plurality of the clamping pin assemblies (33) surround the cylinder (216), so that the cylinder (216) supports the clamping pin assemblies (33) and the swinging of the clamping pin assemblies (33) when the pyramid magic cube is rotated is reduced.

7. The core structure of the pyramid magic cube of claim 6, wherein: a gap exists between the cylinder (216) and the clamping pin assembly (33) so as to increase the amplitude of the fault-tolerant movement of the pyramid magic cube.

8. The core structure of the pyramid magic cube of claim 6, wherein: the central shaft (1) penetrates through the cylinder (216), and the central block body (2) and the central shaft (1) are assembled.

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