CN212998329U - Oil groove structure of magic cube - Google Patents

Abstract

The utility model belongs to the technical field of the technique of magic cube and specifically relates to an oil groove structure of magic cube is related to, including the magic cube body, the magic cube body includes the center block body, arris piece body and the hornblock body of mutual contact, the outer wall of arris piece body and hornblock body is equipped with at least one first oil groove and second oil groove respectively, the opening and the body contact of center block of first oil groove, the opening and the body contact of arris piece of second oil groove. The opening and the body contact of center piece of first oil groove to lubricating oil in the first oil groove reduces the friction of arris piece body and center piece body, the opening and the body contact of arris piece of second oil groove, so that lubricating oil in the second oil groove reduces the friction of angle piece body and arris piece body, the non-contact surface of too much lubricating oil flow to arris piece body and angle piece body outer wall in first oil groove and the second oil groove, thereby reduce the first oil groove and the second oil groove of magic cube body and lead to too much because of lubricating oil and be glutinous, thereby optimize the experience of playing the magic cube.

Description

Oil groove structure of magic cube

Technical Field

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

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. Because the magic cube is faster in the magic cube competition activity, the friction between the small cubes of the magic cube is easy to increase, so that the outer walls of the small cubes are damaged, and the service life of the magic cube is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an oil groove structure of magic cube loads lubricating oil in its oil groove to alleviate the friction in the magic cube, thereby prolong the life-span of magic cube.

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

the utility model provides an oil groove structure of magic cube, includes the magic cube body, the magic cube body includes center block body, arris piece body and the hornblock body of mutual contact, the outer wall of arris piece body and hornblock body is equipped with at least one first oil groove and second oil groove respectively, the opening and the body contact of center block of first oil groove, the opening and the body contact of arris piece of second oil groove.

Through adopting above-mentioned technical scheme, loading lubricating oil in first oil groove and the second oil groove for the outer wall of arris piece body and angle piece body is attached to there is lubricating oil, thereby all there is lubricating oil between angle piece body and the arris piece body and between arris piece body and the central block body, so that alleviate between angle piece body and the arris piece body and between arris piece body and the angle piece body friction, not only optimize the experience of playing the magic cube, be favorable to prolonging the life-span of magic cube body moreover.

The utility model discloses further set up to: first oil groove is equipped with four, four first oil groove symmetry sets up on the arris piece body.

The utility model discloses further set up to: first oil groove is the setting of U-shaped shape, first oil groove extends to the non-contact surface of arris piece body and center piece body and angle piece body.

The utility model discloses further set up to: the arris piece body includes the arris piece casing of two mutual concatenations, the arris piece casing is equipped with two first oil grooves, first oil groove symmetry sets up on the arris piece casing.

The utility model discloses further set up to: the angle piece body includes the angle piece casing of three mutual concatenations, the second oil groove is equipped with threely, and is three the second oil groove is located the outer wall of three angle piece casings respectively.

The utility model discloses further set up to: the second oil groove comprises two communicated U-shaped grooves, and the second oil groove extends to the non-contact surfaces of the corner block body and the edge block body.

The utility model discloses further set up to: the bottom of arris piece body is equipped with arris piece card foot, the both sides of arris piece card foot are equipped with the spout, the bottom of angle piece body is equipped with the angle piece card foot that is used for the card to go into the spout.

The utility model discloses further set up to: the corner block clamping foot is provided with a third oil groove, and the third oil groove is located in the sliding groove.

The utility model discloses further set up to: the third oil groove is heart-shaped and extends to the outside of the sliding groove.

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

1. lubricating oil is loaded in the first oil groove and the second oil groove, so that the lubricating oil is attached to the outer walls of the edge block body and the corner block body, and the lubricating oil is arranged between the corner block body and the edge block body and between the edge block body and the central block body, so that the friction between the corner block body and the edge block body and between the edge block body and the corner block body is reduced, and the service life of the magic cube body is prolonged;

2. the first oil groove is arranged in a U-shaped manner, and the second oil groove comprises two communicated U-shaped grooves, so that excessive lubricating oil in the first oil groove and the second oil groove flows to the non-contact surfaces of the outer walls of the edge block body and the corner block body, and the excessive adhesion of the first oil groove and the second oil groove of the magic cube body due to excessive lubricating oil is reduced, and the experience of playing the magic cube is optimized;

3. compared with the prior art, the design of the first oil groove and the second oil groove can store excessive lubricating oil so as to limit the lubricating oil from overflowing from the surface of the magic cube and further optimize the experience of playing the magic cube;

4. the arris piece card foot passes through spout and angle piece card foot sliding connection, and angle piece card foot is equipped with the third oil groove, and the third oil groove is heart shape setting, and on the one hand, storage lubricating oil reduces the friction of arris piece card foot and angle piece card foot in the third oil groove, and on the other hand, too much lubricating oil can be stored in the third oil groove outside the spout.

Drawings

Figure 1 is an exploded view of the magic cube of the present invention;

fig. 2 is a schematic structural view of the prism body of the present invention;

FIG. 3 is a schematic structural view of the corner block body of the present invention;

FIG. 4 is a schematic structural view of the corner block housing of the present invention;

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

fig. 6 is a schematic structural view of the center block housing of the present invention;

fig. 7 is a schematic structural view of the center block housing of the present invention;

fig. 8 is a schematic structural view of the limiting frame of the present invention;

figure 9 is a cross-sectional view of the magic cube of the present invention;

fig. 10 is a partial sectional view of the magic cube of the present invention.

In the figure, 1, a magic cube body; 2. a central shaft; 21. a connecting shaft; 22. a limiting groove; 3. a center block body; 31. a center block housing; 311. disassembling the groove; 312. connecting holes; 32. a center block shell cover; 33. a first clamping structure; 331. an insertion block; 332. a clamping block; 333. a card slot; 34. a card ring; 35. a first limiting cylinder; 36. connecting grooves; 37. mounting holes; 38. assembling holes; 39. splicing holes; 4. a prism block body; 41. a prism block housing; 411. a plug-in barrel; 412. a plug rod; 42. a second clamping structure; 421. buckling; 422. buckling grooves; 43. a first oil groove; 44. the edge block is blocked; 45. a chute; 5. a corner block body; 51. a corner block housing; 52. a support assembly; 521. a first reinforcing plate; 522. a second reinforcing plate; 523. a support plate; 53. a plugboard; 54. a second oil groove; 55. corner block clamping feet; 56. a third oil groove; 6. a balance reset mechanism; 61. a return spring; 611. a cylindrical spring; 612. a connecting rod; 62. a limiting cover; 621. a second limiting cylinder; 622. a through hole; 623. a circular groove; 7. a non-magnetic positioning mechanism; 71. positioning a groove; 72. clamping the component; 721. a ball bearing; 722. an elastic component; 723. a limiting sleeve; 724. a compression spring; 8. a limiting frame; 81. a groove; 82. splicing buckles; 9. a third clamping structure; 91. a first clamping assembly; 911. a first buckle block; 912. a first fastening hole; 913. a first fastening strip; 92. a second clamping assembly; 921. a second buckle block; 922. a second fastening hole; 923. a second fastening strip; 924. and (6) splicing the grooves.

Detailed Description

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

Referring to fig. 1, for the magic cube that this patent discloses, including magic cube body 1, magic cube body 1 includes center pin 2, a plurality of center piece bodies 3, a plurality of arris piece bodies 4 and a plurality of hornblock bodies 5, center pin 2 is located the center of magic cube body 1, the end and the center piece body 3 of center pin 2 are connected, arris piece body 4 contradicts with the lateral wall of center piece body 3, hornblock body 5 contradicts with the both sides lateral wall of arris piece body 4, center piece body 3 blocks hornblock body 5 and arris piece body 4 between center piece body 3 and center pin 2 to form magic cube body 1.

Referring to fig. 1, 5, 6, 7, 8, 9 and 10, the central shaft 2 includes six mutually fixed connecting shafts 21, each connecting shaft 21 is perpendicular to the adjacent connecting shaft 21, the axes of the mutually corresponding connecting shafts 21 are on the same straight line, and the two connecting shafts 21 arranged correspondingly to each other are symmetrical. The tail end of the connecting shaft 21 is sequentially provided with four groups of positioning grooves 71 and limiting grooves 22, the four groups of positioning grooves 71 are regularly arranged on the circumferential side wall of the connecting shaft 21, the length direction of the positioning grooves 71 is parallel to the axis of the connecting shaft 21, the limiting grooves 22 are positioned on the outer sides of the length direction of the positioning grooves 71, the limiting grooves 22 are positioned at the tail end of the connecting shaft 21, the connecting shaft 21 is fixedly connected with the central block body 3 through the limiting grooves 22, and the central shaft 2 is connected with the central block body 3.

The central block body 3 comprises a central block shell 31 and a central block shell cover 32 covering the central block shell 31, a first clamping structure 33 is arranged between the central block shell 31 and the central block shell cover 32, the first clamping structure 33 comprises an inserting block 331 arranged on the central block shell cover 32, a clamping block 332 arranged on the inserting block 331 and a clamping groove 333 arranged on the inner wall of the central block shell 31, the clamping groove 333 is matched with the clamping block 332, and the clamping block 332 is clamped in the clamping groove 333 to realize the splicing of the central block shell cover 32 and the central block shell 31; the center block cover 32 is restricted from being removed from the center block housing 31 due to the interaction of the latch 332 and the latch groove 333. Four disassembling grooves 311 are formed in the opening of the center block housing 31, the disassembling grooves 311 are located above the clamping grooves 333, and when the center block housing cover 32 covers the center block housing 31, the center block housing cover 32 is lifted from the center block housing 31 through the disassembling grooves 311, so that the efficiency of disassembling the center block housing cover 32 covered on the center block housing 31 is improved, and the efficiency of disassembling the center block body 3 is improved.

The connecting hole 312 matched with the connecting shaft 21 is formed in the central block shell 31, the connecting shaft 21 extends into the connecting hole 312, the clamping ring 34 is arranged in the central block shell 31, the clamping ring 34 is clamped into the limiting groove 22 of the connecting shaft 21 to limit the connecting shaft 21 to be separated from the central block shell 31, the clamping ring 34 is arranged in a fan shape, the connecting shaft 21 is favorably balanced in stress in the central block shell 31, the connecting shaft 21 is connected with the central block shell 31, and therefore the central shaft 2 is connected with the central block body 3. The balance floating mechanism is arranged in the center block shell 31 and comprises a balance reset mechanism 6 arranged in the center block shell 31, the balance reset mechanism 6 is positioned between the center block shell 31 and the clamping ring 34, and the balance reset mechanism 6 is respectively abutted against the center block shell 31 and the clamping ring 34. The balance reset mechanism 6 comprises two groups of reset springs 61 and a limit cover 62, the bottoms of the reset springs 61 are abutted with the central block shell 31, the tops of the reset springs 61 are abutted with the limit cover 62, the reset springs 61 are distributed on the outer side of the connecting shaft 21, one side, away from the reset springs 61, of the limit cover 62 is abutted with the snap ring 34, and the snap ring 34 is arranged in a sector shape, so that the force balance between the snap ring 34 and the limit cover 62 is facilitated; when the central block body 3 moves in the direction of the axis of the central shaft 2, the central block shell 31 extrudes the return spring 61, so that the compression strength of the return spring 61 between the central block shell 31 and the limiting cover 62 is increased, the return spring 61 always has a tendency of recovering, the return spring 61 drives the central block shell 31 to move in the direction of the limiting cover 62, so that the central block shell 31 recovers, and the central block body 3 recovers. The return spring 61 includes two sets of cylindrical springs 611 and a connecting rod 612 connected to the two sets of cylindrical springs 611, the connecting rod 612 is located at one end of the cylindrical springs 611, so that the two sets of cylindrical springs 611 are linked with each other; the four groups of cylindrical springs 611 are uniformly distributed on the outer side of the connecting shaft 21, that is, the four groups of cylindrical springs 611 uniformly surround the outer side of the connecting shaft 21, so that the force balance between the limiting cover 62 and the center block housing 31 is facilitated. The center block shell 31 is provided with a first limiting barrel 35, the limiting cover 62 is provided with a second limiting barrel 621, the first limiting barrel 35 and the second limiting barrel 621 respectively extend into two ends of the columnar spring 611 to limit the installation mode of the columnar spring 611, which is beneficial to improving the efficiency of installing the columnar spring 611, so that the efficiency of installing the reset spring 61 is improved, and further the efficiency of assembling the center block body 3 is improved, so that the efficiency of assembling the magic cube body 1 is improved. The center block housing 31 is provided with a coupling groove 36 therein, and the coupling rod 612 is disposed in the coupling groove 36, so that the return spring 61 is more compactly installed in the center block housing 31. The limiting cover 62 is provided with a through hole 622 and a circular groove 623, the through hole 622 is communicated with the circular groove 623, the diameter of the circular groove 623 is larger than that of the through hole 622, and the circular groove 623 is located on one surface of the limiting cover 62, which is far away from the return spring 61; card ring 34 and connecting axle 21 are located the circular slot 623, and the card ring 34 is contradicted with the tank bottom of circular slot 623 for it is compacter between card ring 34 and the spacing lid 62, thereby compacter in the center block body 3, so that practice thrift the space in the center block body 3, the size of convenient control center block body 3, thereby the size of control magic cube body 1.

The balance resetting mechanism 6 may further include four sets of cylindrical springs 611 and a limiting cover 62, the bottom of the cylindrical springs 611 abuts against the central block housing 31, the top of the cylindrical springs 611 abuts against the limiting cover 62, the four sets of cylindrical springs 611 are uniformly distributed on the outer side of the connecting shaft 21, that is, the four sets of cylindrical springs 611 uniformly surround the outer side of the connecting shaft 21, and one side of the limiting cover 62 away from the cylindrical springs 611 abuts against the snap ring 34. When the center block body 3 moves in the direction away from the axis of the center shaft 2, the center block shell 31 presses the cylindrical spring 611, so that the compression strength of the cylindrical spring 611 between the center block shell 31 and the limiting cover 62 is increased, and the cylindrical spring 611 always has a tendency of recovering to the original state, so that the cylindrical spring 611 drives the center block shell 31 to move in the direction away from the limiting cover 62, so that the center block shell 31 recovers to the original state, and the center block body 3 recovers to the original state. The center block shell 31 is provided with a first limiting barrel 35, the limiting cover 62 is provided with a second limiting barrel 621, the first limiting barrel 35 and the second limiting barrel 621 respectively extend into two ends of the columnar spring 611 to limit the installation mode of the columnar spring 611, which is beneficial to improving the efficiency of installing the columnar spring 611, so that the efficiency of installing the reset spring 61 is improved, and further the efficiency of assembling the center block body 3 is improved, so that the efficiency of assembling the magic cube body 1 is improved.

The balance floating mechanism further comprises a non-magnetic positioning mechanism 7 arranged in the central block shell 31, the non-magnetic positioning mechanism 7 comprises a positioning groove 71 arranged on the connecting shaft 21 and a clamping assembly 72 clamped in the positioning groove 71, the clamping assembly 72 can reciprocate back and forth along the length direction of the positioning groove 71, and the clamping assembly 72 can also reciprocate back and forth along the length direction vertical to the connecting shaft 21; the locking assembly 72 includes a resilient assembly 722 and a ball 721 disposed in the resilient assembly 722, the ball 721 is disposed at an end of one end of the resilient assembly 722, the ball 721 is disposed in the positioning slot 71, so that the ball 721 reciprocates back and forth along the length of the positioning slot 71. The elastic component 722 comprises a limiting sleeve 723 and a compression spring 724 arranged in the limiting sleeve 723, wherein one end of the compression spring 724 is abutted with the ball 721, and the other end of the compression spring 724 is abutted with the inner wall of the central block shell 31, so that the ball 721 can reciprocate back and forth along the length direction of the compression spring 724. The diameter of the ball 721 is smaller than the inner diameter of the stop sleeve 723 so that the ball 721 is located inside the stop sleeve 723, and the diameter of the ball 721 is larger than that of the compression spring 724 to limit the movement of the ball 721 inside the stop sleeve 723. A mounting hole 37 is formed in the center block housing 31, and the position-limiting sleeve 723 extends into the mounting hole 37 to limit the movement of the position-limiting sleeve 723 in the center block housing 31. The stop collar 723 is pressed over the connecting rod 612 to limit the movement of the connecting rod 612 within the center block housing 31, thereby limiting the removal of the connecting rod 612 from the center block housing 31 and, in turn, the removal of the return spring 61 from the center block housing 31. Assembling holes 38 are formed in the side wall of central block shell 31, and the diameter of assembling holes 38 is equal to the diameter of compression spring 724, so that compression spring 724 can be screwed into central block shell 31 through assembling holes 38, and compression spring 724 can extend into limiting sleeve 723 conveniently.

A limiting frame 8 is arranged in the central block shell 31, the limiting frame 8 is located between the nonmagnetic positioning mechanism 7 and the balance resetting mechanism 6, the balance resetting mechanism 6 is located in the limiting frame 8, the limiting frame 8 is in contact with the inner wall of the central block shell 31, and the limiting frame 8 is abutted to the nonmagnetic positioning mechanism 7 so as to limit the nonmagnetic positioning mechanism 7 to be separated from the central block shell 31. The limiting frame 8 is clamped on the limiting sleeve 723, and because one end of the limiting sleeve 723, which is far away from the limiting frame 8, extends into the mounting hole 37, two ends of the limiting sleeve 723 are fixed, so that the limiting sleeve 723 is fixed in the central block shell 31. The lateral wall of spacing frame 8 is seted up fluted 81, and compression spring 724 arranges in fluted 81 for compression spring 724 arranges in central block casing 31 more regular, thereby it is compacter in the central block casing 31. The bottom of spacing frame 8 is equipped with the concatenation knot 82, and center block casing 31 is seted up and is detained 82 assorted concatenation hole 39 with the concatenation, and concatenation knot 82 is detained in the concatenation hole 39, realizes that spacing frame 8 fixes in center block casing 31.

Referring to fig. 1 and 2, the prism body 4 includes two prism housings 41 that splice each other, is equipped with two sets of a section of thick bamboo 411 and two sets of bayonet poles 412 of inserting in the prism housing 41, and bayonet poles 412 and a section of thick bamboo 411 of inserting are located the both sides of prism housing 41, and when two prism housings 41 splice each other, the bayonet poles 412 in a set of prism housing 41 insert in the section of thick bamboo 411 of inserting in another set of prism housing 41, realize the concatenation of two prism housings 41 to form prism body 4. Be equipped with second joint structure 42 between two arris piece casings 41, second joint structure 42 is including setting up buckle 421 and the catching groove 422 of setting in another arris piece casing 41 of 41 one side in the arris piece casing, and when two arris piece casings 41 spliced each other, buckle 421 detained in catching groove 422 for two arris piece casings 41 are more fixed. The outer wall of the prism block body 4 is provided with four first oil grooves 43, the four first oil grooves 43 are symmetrically arranged on the prism block body 4, and the first oil grooves 43 extend to the non-contact surfaces of the prism block body 4, the center block body 3 and the corner block body 5; two first oil grooves 43 are located the outer wall of arris piece casing 41, and two first oil grooves 43 symmetry sets up on arris piece casing 41, and first oil groove 43 is the U-shaped setting to lubricating oil flows in first oil groove 43, the opening of first oil groove 43 and the outer wall contact of center piece body 3, thereby alleviates the friction between arris piece body 4 and center piece body 3. The bottom of the prism block body 4 is provided with prism block clamping feet 44, and the two sides of the prism block clamping feet 44 are provided with sliding chutes 45 which are connected with the corner block body 5 in a sliding manner.

Referring to fig. 1, 3 and 4, the corner block body 5 includes three corner block housings 51 spliced with each other, a third clamping structure 9 is disposed between two adjacent corner block housings 51, the third clamping structure 9 includes a first clamping component 91 and a second clamping component 92 disposed on the side of the corner block housing 51, and the first clamping component 91 and the second clamping component 92 make the two spliced corner block housings 51 more fixed; the first clamping assembly 91 comprises a first buckle block 911 arranged on one side of the corner block shell 51 and a first buckle strip 913 arranged on the other corner block shell 51, the first buckle block 911 is provided with a first buckle hole 912 matched with the first buckle strip 913, and the first buckle hole 912 of the first buckle block 911 is buckled into the first buckle strip 913, so that the two corner block shells 51 are spliced; the second clamping assembly 92 comprises a second buckle block 921 arranged on one side of the corner block shell 51 and a second buckle strip 923 arranged on the other corner block shell 51, the second buckle block 921 is provided with a second buckle hole 922 matched with the second buckle strip 923, the inner wall of the side edge of the corner block shell 51 is provided with a splicing groove 924 matched with the second buckle block 921, and the second buckle strip 923 is located in the splicing groove 924; when the second buckle hole 922 of the second buckle block 921 is buckled into the second buckle strip 923, the second buckle block 921 is placed in the splice groove 924, so that the two corner block housings 51 are spliced.

The supporting component 52 is arranged in the inner cavity of the corner block shell 51, the supporting component 52 comprises a first reinforcing plate 521, a second reinforcing plate 522 and a supporting plate 523, the supporting plate 523 is located between the first reinforcing plate 521 and the second reinforcing plate 522, the supporting plate 523 is fixed with the second reinforcing plate 522 of the first reinforcing plate 521, and the first reinforcing plate 521 is located above the second reinforcing plate 522. The inner cavity of the corner block shell 51 is further provided with a plug board 53, the plug board 53 is located above the second reinforcing plate 522, the plug board 53 is located below the first reinforcing plate 521, the plug board 53 and the first reinforcing plate 521 are located on two sides of the supporting plate 523, when the two corner block shells 51 are spliced, the plug board 53 is inserted below the first reinforcing plate 521, the plug board 53 is abutted against the first reinforcing plate 521, and therefore the plug board 53 supports the first reinforcing plate 521.

Three second oil groove 54 has been seted up to the outer wall of angle piece body 5, second oil groove 54 is located the outer wall of angle piece casing 51, second oil groove 54 includes the U-shaped groove of two intercommunications, two U-shaped grooves symmetry sets up on angle piece casing 51, second oil groove 54 extends to the non-contact surface of angle piece body 5 and arris piece body 4, the opening and the contact of arris piece body 4 of second oil groove 54, lubricating oil flows in second oil groove 54 to alleviate the friction between angle piece body 5 and the arris piece body 4. The bottom of corner piece body 5 is equipped with corner piece card foot 55, and corner piece card foot 55 comprises the bottom of three corner piece casings 51, and corner piece card foot 55 card is gone into the spout 45 of arris piece card foot 44 for corner piece card foot 55 slides in the spout 45 of arris piece card foot 44, realizes that corner piece body 5 rotates for arris piece body 4, thereby realizes rotating magic cube body 1. Corner cube card foot 55 is equipped with three third oil groove 56, third oil groove 56 is located corner cube casing 51's bottom, three third oil groove 56 is located three corner cube casings 51 respectively, third oil groove 56 is heart-shaped setting, when corner cube card foot 55 is arranged in the spout 45 of edge cube card foot 44, third oil groove 56 is located spout 45, and third oil groove 56 extends to outside spout 45, so that the lubricating oil in third oil groove 56 is attached to in spout 45, thereby alleviate the friction of corner cube card foot 55 in spout 45, and then alleviate the friction of corner cube card foot 55 and edge cube card foot 44, be favorable to promoting the life-span of corner cube card foot 55 and edge cube card foot 44, thereby promote the life-span of corner cube body 5 and edge cube body 4, and then improve the life-span of magic cube body 1.

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 (9)

1. An oil groove structure of magic cube which characterized in that: including magic cube body (1), magic cube body (1) is including center piece body (3), arris piece body (4) and angle piece body (5) of mutual contact, the outer wall of arris piece body (4) and angle piece body (5) is equipped with at least one first oil groove (43) and second oil groove (54) respectively, the opening and the center piece body (3) contact of first oil groove (43), the opening and the contact of arris piece body (4) of second oil groove (54).

2. The oil groove structure of a magic cube according to claim 1, characterized in that: first oil groove (43) are equipped with four, four first oil groove (43) symmetry sets up on arris piece body (4).

3. The oil groove structure of a magic cube according to claim 1, characterized in that: first oil groove (43) are the setting of U-shaped shape, first oil groove (43) extend to arris piece body (4) and center piece body (3) and the non-contact surface of angle piece body (5).

4. The oil groove structure of a magic cube according to claim 1, characterized in that: the prism block body (4) comprises two prism block shells (41) which are spliced with each other, the prism block shells (41) are provided with two first oil grooves (43), and the first oil grooves (43) are symmetrically arranged on the prism block shells (41).

5. The oil groove structure of a magic cube according to claim 1, characterized in that: the corner block body (5) comprises three corner block shells (51) which are mutually spliced, the second oil groove (54) is three and is positioned on the outer walls of the three corner block shells (51) respectively, and the second oil groove (54) is three.

6. The oil groove structure of a magic cube according to claim 1, characterized in that: the second oil groove (54) comprises two communicated U-shaped grooves, and the second oil groove (54) extends to the non-contact surface of the corner block body (5) and the edge block body (4).

7. The oil groove structure of a magic cube according to claim 1, characterized in that: the bottom of arris piece body (4) is equipped with arris piece card foot (44), the both sides of arris piece card foot (44) are equipped with spout (45), the bottom of angle piece body (5) is equipped with angle piece card foot (55) that are used for the card to go into spout (45).

8. The oil groove structure of a magic cube according to claim 7, wherein: the corner block clamping foot (55) is provided with a third oil groove (56), and the third oil groove (56) is positioned in the sliding groove (45).

9. The oil groove structure of a magic cube according to claim 8, wherein: the third oil groove (56) is arranged in a heart shape, and the third oil groove (56) extends out of the sliding groove (45).

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