CN212700489U - Magic cube with good balance - Google Patents

Abstract

The utility model relates to a technical field of magic cube especially relates to a magic cube that equilibrium is good, including the magic cube body, the magic cube body includes the center pin, the center block body, arris piece body and hornblock body, the center block body is installed on the center pin, arris piece body and hornblock body card are between center pin and center block body, arris piece body and hornblock body slip joint, the center block body includes the center block casing and covers the center block cap that closes the center block casing, be equipped with balanced relocation mechanism in the center block casing, balanced relocation mechanism includes balanced canceling release mechanical system, balanced relocation mechanism includes at least two sets of elastic component, at least two sets of elastic component evenly distributed is in the outside of center pin. Set up balanced relocation mechanism in the center block casing, balanced relocation mechanism includes balanced canceling release mechanical system, and balanced canceling release mechanical system includes at least two sets of elastic components, and elastic component evenly distributed is in the outside of center pin for the center block can be in the balanced back and forth movement of center pin length direction, so that optimize the experience of playing the magic cube.

Description

Magic cube with good balance

Technical Field

The utility model belongs to the technical field of the technique of magic cube and specifically relates to a magic cube that equilibrium is good is related to.

Background

A puzzle is a toy made up of a plurality of puzzle pieces (also called puzzle pieces). The relative positions of some small blocks in the magic cube can be changed by rotating the magic cube, so that the colors presented on the surfaces of the small blocks on the same surface of the magic cube are different. The magic cube can exercise the hand and brain combining ability of people, enhance the memory of people, enrich the space imagination and become more and more popular entertainment activities.

The prior Chinese patent with publication number CN104906787B discloses a mounting structure of a magic cube center block, which comprises an axis, a center block, a connecting rod and an elastic component, wherein one end of the connecting rod is connected in the center block in a penetrating way, and the outer surface of the part of the connecting rod connected in the center block in a penetrating way is provided with an external thread; one end of the elastic component is propped against the inner side end wall of the central block, and the elastic component is used for providing elastic stress for propping the central block towards the direction close to the axis; the other end of the connecting rod is provided with an embedding part embedded in the shaft center, and the embedding part comprises an extension part which is positioned at the lower end of the connecting rod and extends outwards along the radial direction of the connecting rod and an inserting part which extends downwards from the edge of the extension part; the part of the connecting rod, which is connected in the central block in a penetrating way, is provided with an adjusting block, and the adjusting block comprises a top wall, a side wall positioned on the periphery of the lower surface of the top wall and a first sleeving part which extends downwards from the lower surface of the top wall and is sleeved on the outer surface of the connecting rod; the inner surface of the first sleeving part is provided with an internal thread matched with the external thread, and an installation groove is formed between the outer surface of the first sleeving part and the side wall; the other end of the elastic component is arranged in the mounting groove and abuts against the lower surface of the top wall. The adjusting block is arranged in the central block and connected with the connecting rod, and the elastic part is sleeved on the connecting rod between the adjusting block and the central block so as to control the tightness of the magic cube.

The above prior art solutions have the following drawbacks: when the magic cube rotates at a high speed and in a fault-tolerant mode, the central block is in an inclined state, so that the stress of the central block is unbalanced, the stress of the elastic component and the stress of the connecting rod are unbalanced, the central block is easy to damage, and the service life of the magic cube is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a magic cube with good balance, so as to optimize the experience of playing the magic cube and be beneficial to prolonging the service life of the magic cube; the utility model discloses further provide a no magnetism location magic cube, it adopts no magnetism location structure, further optimizes 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 magic cube that equilibrium is good, includes the magic cube body, the magic cube body includes center pin, center block body, arris piece body and hornblock body, the center block body is installed on the center pin, arris piece body and hornblock body card are between center pin and center block body, arris piece body and hornblock body slip joint, the center block body includes the center block cap of center block casing and lid center block casing, be equipped with balanced relocation mechanism in the center block casing, balanced relocation mechanism is including balanced canceling release mechanical system, balanced canceling release mechanical system includes at least two sets of elastic component, and is at least two sets of elastic component evenly distributed is in the outside of center pin.

The utility model discloses further set up to: the elastic part comprises a plurality of groups of cylindrical springs which are uniformly distributed on the outer side of the central shaft; the elastic part preferably further comprises return springs, and the two groups of return springs are uniformly distributed on the outer side of the central shaft; the reset spring comprises two groups of cylindrical springs and a connecting rod connected with the cylindrical springs, and the groups of cylindrical springs are uniformly distributed on the outer side of the central shaft; the shell of the central block is preferably provided with a connecting groove, and the connecting rod is arranged in the connecting groove.

The utility model discloses further set up to: the balance reset mechanism further comprises a limiting cover, and the columnar spring is located between the limiting cover and the central block shell; the center block shell is preferably provided with a first limiting cylinder, the limiting cover is provided with a second limiting cylinder, and the first limiting cylinder and the second limiting cylinder extend into two ends of the columnar spring.

The utility model discloses further set up to: a clamping ring connected with the central shaft is arranged in the central block shell; the clamping ring is preferably arranged in a sector shape, is positioned on the surface of the limiting cover, which is far away from the columnar spring, and is abutted against the spacing block of the limiting cover; the tail end of the central shaft is preferably provided with a limiting groove matched with the clamping ring, and the clamping ring can be detachably clamped into the limiting groove.

The utility model discloses further set up to: the balance floating mechanism also comprises a non-magnetic positioning mechanism, the non-magnetic positioning mechanism comprises a positioning groove arranged on the central shaft and a clamping component clamped in the positioning groove, and the clamping component can reciprocate back and forth perpendicular to the central shaft; the center pin is preferred to include the connecting axle, the constant head tank is seted up at the connecting axle, the length direction of constant head tank is parallel with the axis of connecting axle, the subassembly can be put along the length direction reciprocating motion that makes a round trip of constant head tank to the card.

The utility model discloses further set up to: the clamping assembly comprises an elastic assembly and a ball arranged in the elastic assembly, and the ball is positioned in the positioning groove; the elastic component preferably comprises a limiting groove and a compression spring arranged in the limiting sleeve, one end of the compression spring is abutted with the ball, and the other end of the compression spring is abutted with the central block shell.

The utility model discloses further set up to: the balance floating mechanism also comprises a non-magnetic positioning mechanism, a limiting frame is clamped in the central block shell, and the non-magnetic positioning mechanism is positioned between the limiting frame and the central block shell; the balance reset mechanism preferably comprises a connecting rod, the nonmagnetic positioning mechanism comprises a limiting frame, and the connecting rod is located between the limiting frame and the central block shell.

The utility model discloses further set up to: the edge block body comprises two edge block shells which are spliced with each other, an insertion cylinder and an insertion rod matched with the insertion cylinder are arranged in each edge block shell, and the insertion rod of one edge block shell is inserted into the insertion cylinder of the other edge block shell; a second clamping structure is preferably arranged between the two edge block shells and comprises a buckle arranged on one side in the edge block shell and a buckle groove arranged in the other edge block shell, and the buckle of one edge block shell is buckled in the buckle groove of the other edge block shell; the outer wall of arris piece casing is preferred to be equipped with first oil groove, first oil groove is the U-shaped setting, the opening and the center block body butt of first oil groove.

The utility model discloses further set up to: the corner block body comprises three corner block shells which are spliced with each other, a third clamping structure is arranged between two adjacent corner block shells, the third clamping structure comprises a first clamping component and a second clamping component, and the two adjacent corner block shells are clamped and fixed through the first clamping component and the second clamping component; the outer wall of angle piece casing is preferred to be equipped with the second oil groove, the second oil groove includes the U-shaped groove of two intercommunications, the opening and the arris piece casing butt of second oil groove.

The utility model discloses further set up to: the corner block body is provided with corner block clamping feet, each corner block clamping foot is provided with a sliding groove, and each corner block body is provided with a corner block clamping foot clamped into the corresponding sliding groove; the angle block clamping foot is preferably provided with a third oil groove, the third oil groove is in a heart shape, and the third oil groove is located in the sliding groove.

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 balance floating mechanism is arranged in the center block shell and comprises a balance reset mechanism, the balance reset mechanism comprises at least two groups of elastic pieces which are uniformly distributed outside the center shaft, so that the center block can move back and forth in the length direction of the center shaft in a balanced manner, and the experience of playing the magic cube is optimized;

2. the plurality of groups of columnar springs are positioned between the limiting cover and the central block shell, so that the stress between the central block shell and the limiting cover is balanced, the inclination of the central block shell is reduced, the inclination of the central block body is reduced, the experience of playing the magic cube is optimized, the service life of the central block body is prolonged, and the service life of the magic cube is prolonged;

3. the clamping ring is connected with the central shaft, abuts against the limiting cover, and is mutually separated from the limiting cover, and the clamping ring is arranged in a fan shape, so that the limiting cover is balanced in stress, and the central block body is balanced in stress when the magic cube is played at high speed, so that the magic cube is balanced in stress, and the experience of playing the magic cube is optimized;

4. the non-magnetic positioning mechanism comprises a positioning groove arranged on the central shaft and a clamping component clamped in the positioning groove, the clamping component can reciprocate back and forth perpendicular to the central shaft so as to move from one positioning groove to the other positioning groove, and the magic cube is positioned while rotating;

5. the central shaft comprises a connecting shaft, the positioning groove is positioned on the connecting shaft, and the length direction of the positioning groove is parallel to the axial direction of the connecting shaft, so that the clamping assembly clamped in the positioning groove can reciprocate back and forth along the length direction of the positioning groove, the floating of the central block body is realized, and the experience of playing the magic cube is optimized;

6. the clamping assembly comprises a ball and an elastic assembly, the ball is arranged in the positioning groove of the central shaft, the elastic assembly presses the ball to the central shaft, and along with the rotation of the magic cube, the ball moves from one positioning groove to the other positioning groove along the circumference of the central shaft, so that the non-magnetic positioning of the central block body is realized, and the non-magnetic positioning of the magic cube is realized;

7. the elastic assembly comprises a limiting sleeve and a compression spring sleeved in the limiting sleeve, one end of the compression spring is abutted with the ball, and the other end of the compression spring is abutted with the central block shell, so that the compression spring always presses the ball to the central shaft, and the ball is favorably arranged in the positioning groove so as to be convenient for positioning the magic cube;

8. the limiting frame clamps the clamping assembly in the central block shell, namely the limiting frame clamps the limiting sleeve in the central block shell, so that on one hand, the central block shell is more compact, and on the other hand, the limiting sleeve is limited to be separated from the central block shell, namely, the clamping assembly is limited to be separated from the central block shell;

9. the outer wall of the edge block body is provided with a first oil groove, and an opening of the first oil groove is abutted to the center block body so as to reduce friction between the edge block body and the center block body and be beneficial to prolonging the service life of the magic cube;

10. the outer wall of the corner block body is provided with a second oil groove, and an opening of the second oil groove is abutted to the edge block body so as to reduce friction between the edge block body and the corner block body and be beneficial to prolonging the service life of the magic cube;

11. the arris piece body is equipped with arris piece card foot, and arris piece card foot is equipped with the spout, and the angle piece body is equipped with the angle piece card foot of card income spout, and the angle piece card foot is equipped with the third oil groove, and the opening of third oil groove is located the spout to alleviate the friction of angle piece card foot in the spout, be favorable to prolonging the life-span of magic cube.

Drawings

Figure 1 is a cross-sectional view of the magic cube of the present invention;

fig. 2 is a cross-sectional view of the connecting shaft and the center block body of the present invention;

figure 3 is an exploded view of the magic cube of the present invention;

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

fig. 5 is a schematic structural view of the center block housing 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 limiting frame of the present invention;

fig. 8 is a schematic structural view of the prism body of the present invention;

fig. 9 is a schematic structural view of the corner block body of the present invention;

fig. 10 is a schematic structural view of the corner block housing 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.

Refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, 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 block bodies 3, a plurality of arris piece bodies 4 and a plurality of hornblock bodies 5, center pin 2 is located magic cube body 1's center, center block body 3 is installed to center pin 2's end, arris piece body 4 contradicts with the lateral wall of center block body 3, hornblock body 5 contradicts with the both sides lateral wall of arris piece body 4, center block body 3 blocks hornblock body 5 and arris piece body 4 between center block body 3 and center pin 2 to form magic cube body 1.

The central shaft 2 comprises 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 mutually corresponding connecting shafts 21 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, and 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. 3 and 8, the prism body 4 includes two mutually spliced prism housings 41, two sets of insertion tubes 411 and two sets of insertion rods 412 are arranged in the prism housing 41, the insertion rods 412 and the insertion tubes 411 are located at two sides of the prism housing 41, when the two prism housings 41 are mutually spliced, the insertion rods 412 in one set of prism housing 41 are inserted into the insertion tubes 411 in the other set of prism housing 41, so that the two prism housings 41 are spliced, and the prism body 4 is formed. 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. 3, 9 and 10, 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 (23)

1. A magic cube with good balance is characterized in that: comprises a magic cube body (1), the magic cube body (1) comprises a central shaft (2), a central block body (3), a prism block body (4) and a corner block body (5), the central block body (3) is arranged on the central shaft (2), the edge block body (4) and the corner block body (5) are clamped between the central shaft (2) and the central block body (3), the edge block body (4) is in sliding clamping connection with the corner block body (5), the center block body (3) comprises a center block shell (31) and a center block shell cover (32) covering the center block shell (31), a balance floating mechanism is arranged in the central block shell (31), the balance floating mechanism comprises a balance reset mechanism (6), the balance reset mechanism (6) comprises at least two groups of elastic pieces, and the at least two groups of elastic pieces are uniformly distributed on the outer side of the central shaft (2).

2. A balanced puzzle cube according to claim 1, wherein: the elastic part comprises a plurality of groups of cylindrical springs (611), and the plurality of groups of cylindrical springs (611) are uniformly distributed on the outer side of the central shaft (2).

3. A balanced puzzle cube according to claim 1, wherein: the elastic part comprises return springs (61), and the two sets of return springs (61) are uniformly distributed on the outer side of the central shaft (2).

4. A balanced puzzle cube according to claim 3, wherein: the return spring (61) comprises two groups of cylindrical springs (611) and a connecting rod (612) connected to the cylindrical springs (611), and the groups of cylindrical springs (611) are uniformly distributed on the outer side of the central shaft (2).

5. A balanced puzzle cube according to claim 4, wherein: the center block shell (31) is internally provided with a connecting groove (36), and the connecting rod (612) is arranged in the connecting groove (36).

6. A balanced puzzle cube according to claim 2 or claim 4, wherein: the balance reset mechanism (6) further comprises a limiting cover (62), and the cylindrical spring (611) is located between the limiting cover (62) and the center block shell (31).

7. A balanced puzzle cube according to claim 6, wherein: the center block shell (31) is provided with a first limiting cylinder (35), the limiting cover (62) is provided with a second limiting cylinder (621), and the first limiting cylinder (35) and the second limiting cylinder (621) extend into two ends of the columnar spring (611).

8. A balanced puzzle cube according to claim 6, wherein: a clamping ring (34) connected with the central shaft (2) is arranged in the central block shell (31).

9. A balanced puzzle cube according to claim 8, wherein: card ring (34) are fan-shaped setting, card ring (34) are located spacing lid (62) and deviate from the surface of column spring (611), card ring (34) are separated the shelves with spacing lid (62) and are contradicted.

10. A balanced puzzle cube according to claim 8, wherein: the tail end of the central shaft (2) is provided with a limiting groove (22) matched with the clamping ring (34), and the clamping ring (34) can be detachably clamped into the limiting groove (22).

11. A balanced puzzle cube according to claim 1, wherein: the balance floating mechanism further comprises a non-magnetic positioning mechanism (7), the non-magnetic positioning mechanism (7) comprises a positioning groove (71) formed in the central shaft (2) and a clamping component (72) clamped in the positioning groove (71), and the clamping component (72) can reciprocate back and forth perpendicular to the central shaft (2).

12. A balanced puzzle cube according to claim 11, wherein: the center pin (2) is including connecting axle (21), locating slot (71) are seted up at connecting axle (21), the length direction of locating slot (71) is parallel with the axis of connecting axle (21), the length direction reciprocating motion that can follow locating slot (71) is put in the card to subassembly (72).

13. A balanced puzzle cube according to claim 11, wherein: the clamping assembly (72) comprises an elastic assembly (722) and a ball (721) arranged in the elastic assembly (722), and the ball (721) is positioned in the positioning groove (71).

14. A balanced puzzle cube according to claim 13, wherein: the elastic component (722) comprises a limiting groove (22) and a compression spring (724) arranged in a limiting sleeve (723), one end of the compression spring (724) is abutted against the ball (721), and the other end of the compression spring is abutted against the central block shell (31).

15. A balanced puzzle cube according to claim 1, wherein: the balance floating mechanism further comprises a non-magnetic positioning mechanism (7), a limiting frame (8) is connected in the center block shell (31) in a clamping mode, and the non-magnetic positioning mechanism (7) is located between the limiting frame (8) and the center block shell (31).

16. A balanced puzzle cube according to claim 15, wherein: balance reset mechanism (6) are including connecting rod (612), no magnetism positioning mechanism (7) are including spacing frame (8), connecting rod (612) are located between spacing frame (8) and center block casing (31).

17. A balanced puzzle cube according to claim 1, wherein: the edge block body (4) comprises two edge block shells (41) which are mutually spliced, an insertion cylinder (411) and an insertion rod (412) matched with the insertion cylinder (411) are arranged in the edge block shell (41), one insertion rod (412) of the edge block shell (41) is inserted into the other insertion cylinder (411) of the edge block shell (41).

18. A balanced puzzle cube according to claim 17, wherein: two be equipped with second joint structure (42) between arris piece casing (41), second joint structure (42) are including setting up buckle (421) of one side in arris piece casing (41) and catching groove (422) of setting in another arris piece casing (41), one buckle (421) of arris piece casing (41) are detained in catching groove (422) of another arris piece casing (41).

19. A balanced puzzle cube according to claim 17, wherein: the outer wall of arris piece casing (41) is equipped with first oil groove (43), first oil groove (43) are the U-shaped setting, the opening and the butt of center piece body (3) of first oil groove (43).

20. A balanced puzzle cube according to claim 1, wherein: the corner block comprises a corner block body (5) and is characterized in that the corner block body (5) comprises three corner block shells (51) which are spliced with each other, a third clamping structure (9) is arranged between two adjacent corner block shells (51), the third clamping structure (9) comprises a first clamping assembly (91) and a second clamping assembly (92), and the two adjacent corner block shells (51) are clamped and fixed through the first clamping assembly (91) and the second clamping assembly (92).

21. A balanced puzzle cube according to claim 20, wherein: the outer wall of angle piece casing (51) is equipped with second oil groove (54), second oil groove (54) include the U-shaped groove of two intercommunications, the opening and the arris piece casing (41) butt of second oil groove (54).

22. A balanced puzzle cube according to claim 20, wherein: the edge block body (4) is provided with edge block clamping feet (44), the edge block clamping feet (44) are provided with sliding grooves (45), and the corner block body (5) is provided with corner block clamping feet (55) clamped into the sliding grooves (45).

23. A balanced puzzle cube according to claim 22, wherein: the corner block clamping foot (55) is provided with a third oil groove (56), the third oil groove (56) is arranged in a heart shape, and the third oil groove (56) is located in the sliding groove (45).

Images