CN216456847U

CN216456847U - Binding force adjustable magic cube of angle piece and arris piece

Info

Publication number: CN216456847U
Application number: CN202123053957.7U
Authority: CN
Inventors: 官忠光
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-05-10
Anticipated expiration: 2031-12-07

Abstract

The utility model relates to the technical field of magic cube, in particular to a magic cube with adjustable bonding force of corner blocks and edge blocks, which comprises a corner block unit and an edge block unit; the corner block unit and the edge block unit are aligned by means of magnetic attraction between the first magnetic part and the second magnetic part; the corner block unit or the edge block unit is provided with a base part, and the first magnetic part is movably arranged on the base part; in the use rotation process of magic cube, according to actual need, the user can change the position of first magnetic part on the basal portion, and then changes the size of the magnetic attraction between two magnetic parts to change the cohesion size between angle piece unit, the arris piece unit, so, the user can use great power or less power drive angle piece unit, the relative rotation of arris piece unit, promotion user experience degree.

Description

Binding force adjustable magic cube of angle piece and arris piece

Technical Field

The utility model relates to a magic cube technical field especially discloses a cohesion adjustable magic cube of hornblock and arris piece.

Background

The magic cube is one of common educational toys, is deeply loved by vast users such as children and adults, takes the existing three-order magic cube as an example, the main body of the magic cube is in a cube structure and comprises twenty-six small cubes and a three-dimensional connecting shaft, each small cube comprises six central blocks which are respectively positioned at the central position of each surface 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, thus, 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 three-dimensional connecting shaft, for example, the Chinese patent CN201020567352.2 is one of the three-order magic cubes in the prior art.

When different users use the magic cube, the requirements on the binding force between the corner blocks and the edge blocks of the magic cube are different, for example, the children have smaller hand strength and need smaller binding force between the corner blocks and the edge blocks of the magic cube, so that the magic cube can be easily rotated by the children; for another example, the hand strength of an adult is large, the binding force between the corner blocks and the edge blocks of the magic cube needs to be large, and the magic cube cannot rotate relatively due to slight accidental touch. The magic cube in the prior art is single in structural design, and the cohesion between adjacent angle piece and the arris piece is fixed value, and is unchangeable, can not satisfy user's variety needs, and user experience is relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming and the not enough that exist among the prior art, the utility model aims to provide a cohesion adjustable magic cube of angle piece and arris piece, the user can change the position of first magnetic part on the basal portion, and then changes the size of the magnetic attraction between two magnetic parts to change the size of the cohesion between angle piece unit, the arris piece unit, so, the user can use great power or less power drive angle piece unit, the relative rotation of arris piece unit, promotes user experience degree.

In order to achieve the purpose, the magic cube with the adjustable bonding force of the corner blocks and the edge blocks comprises corner block units and edge block units; the corner block unit and the edge block unit are aligned by means of magnetic attraction between the first magnetic part and the second magnetic part; the corner block unit or the edge block unit is provided with a base part, and the first magnetic part is movably arranged on the base part; the position of the first magnetic member on the base changes to change the magnetic attraction force between the two magnetic members, and the binding force between the corner block units and the edge block units is changed.

The base is provided with a guide hole for accommodating the first magnetic part, and the first magnetic part moves along the length direction of the guide hole.

The magnetic switch further comprises an elastic piece and a locking unit movably arranged relative to the base, wherein the elastic piece is positioned in the guide hole and is used for acting on the first magnetic piece; when the locking unit moves forward relative to the base part, the first magnetic part is driven to move along the length direction of the guide hole, and the elastic part is elastically deformed; when the locking unit moves reversely relative to the base, the elastic piece drives the first magnetic piece to reset under the action of elastic restoring force.

The locking unit is provided with a push bar which is slidably accommodated in the guide hole and a cam piece which is rotatably arranged on the base, the central axis of the guide hole is crossed with the rotating axis of the cam piece, the first magnetic piece is positioned between the elastic piece and the push bar, and the cam disc of the cam piece is abutted against one end, far away from the first magnetic piece, of the push bar.

The shaft body of the cam piece is rotatably arranged on the base, one end of the shaft body, far away from the cam disc, is exposed out of the base and is provided with a clamping position, and an external component acts on the clamping position to rotate the cam piece.

The cam disc is provided with a plurality of positioning bayonets, the positioning bayonets are formed by being concavely arranged from the outer edge surface of the cam disc, and the push strip is provided with a clamping rib which protrudes into one positioning bayonet.

Wherein, the one end of pushing away the strip and keeping away from first magnetic part is equipped with the inclined plate, and the inclined plate is on a parallel with the axis of rotation of cam piece, and the card rib is set up on the inclined plate.

The corner block unit and the edge block unit are made of insulating materials, and the first magnetic part and the second magnetic part are respectively located in the corner block unit and the edge block unit.

The corner block unit is provided with a base part, the base part is provided with a hollow column, and the first magnetic part is movably accommodated in the hollow column; the arris piece unit includes first arris body, the second arris body with first arris body lock, and first arris body, second arris body enclose to establish and form and are used for holding the closed hole of establishing the second magnetic part.

The corner block unit and the edge block unit are aligned by means of magnetic attraction between the third magnetic piece and the fourth magnetic piece; after the corner block unit and the edge block unit are aligned, the central axis of the third magnetic part and the central axis of the fourth magnetic part are arranged in a collinear manner, the central axis of the first magnetic part and the central axis of the second magnetic part are arranged in parallel, and the central axis of the third magnetic part and the central axis of the first magnetic part are arranged in a crossed manner.

The utility model has the advantages that: in the use rotation process of magic cube, according to actual need, the user can change the position of first magnetic part on the basal portion, and then changes the size of the magnetic attraction between two magnetic parts to change the size of the cohesion between angle piece unit, the arris piece unit, so, the user can use great power or less power drive angle piece unit, the relative rotation of arris piece unit, promotion user experience degree.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the partially exploded structure of the present invention;

fig. 3 is a schematic view of the local explosion structure of the present invention;

fig. 4 is a schematic structural diagram of the base, the first magnetic member, the elastic member, the push bar, and the gear member of the present invention.

The reference numerals include:

1-corner block unit 2-edge block unit 3-first magnetic member

4-second magnetic part 5-base 6-guide hole

7-elastic part 8-push strip 9-cam part

11-cam disc 12-shaft part 13-positioning bayonet

14-rib clamping bar 15-inclined plate 16-hollow column

17-third magnetic element 18-fourth magnetic element.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.

Referring to fig. 1 to 4, the magic cube with adjustable bonding force between corner blocks and edge blocks of the present invention includes a corner block unit 1 and an edge block unit 2; the corner block unit comprises a corner block unit 1 and a ridge block unit 2, and further comprises a first magnetic part 3 and a second magnetic part 4 which are respectively arranged on the corner block unit 1 and the ridge block unit 2, the corner block unit 1 and the ridge block unit 2 are aligned in the radial direction by means of magnetic attraction between the first magnetic part 3 and the second magnetic part 4, and the first magnetic part 3 or the second magnetic part 4 is a permanent magnet. For example, the first magnetic member 3 is a permanent magnet, and the second magnetic member 4 is a magnetic conductive member made of a magnetic conductive material such as iron, cobalt, or nickel; or the second magnetic part 4 is a permanent magnet, and the first magnetic part 3 is a magnetic conducting part made of magnetic conducting materials such as iron, cobalt or nickel; or the first magnetic member 3 and the second magnetic member 4 are both permanent magnets.

The corner block unit 1 or the edge block unit 2 is provided with a base part 5, the first magnetic part 3 is movably arranged on the base part 5, the size of the magnetic attraction force between the two magnetic parts is changed by the position change of the first magnetic part 3 on the base part 5, and the size of the binding force (namely the tightness) between the corner block unit 1 and the edge block unit 2 can be adjusted; specifically, the position of the first magnetic member 3 on the base 5 is changed, so that the distance between the first magnetic member 3 and the second magnetic member 4 is changed, or the size of the attraction area between the first magnetic member 3 and the second magnetic member 4 is changed; thereby changing the size of the combining force between the corner block units 1 and the edge block units 2.

For example, a plurality of positioning slots may be provided on the base 5, and a user may insert the first magnetic member 3 into different positioning slots, so as to change the position of the first magnetic member 3 on the base 5, thereby changing the amount of magnetic attraction between the first magnetic member 3 and the second magnetic member 4.

In the use pivoted in-process at the magic cube, according to actual need, the user can change the position of first magnetism spare 3 on basal portion 5, and then change the size of magnetic attraction between two magnetism spares, thereby change corner cube unit 1, the size of the cohesion between the arris piece unit 2, thus, the user can use great power or less power drive corner cube unit 1, arris piece unit 2 rotates relatively, satisfy child to corner cube unit 1 on the one hand, the demand of less cohesion between the arris piece unit 2, on the other hand also can satisfy adult to corner cube unit 1, the demand of great cohesion between the arris piece unit 2, promote user experience.

The base 5 is provided with a guide hole 6 for housing the first magnetic member 3, and the first magnetic member 3 moves in a length direction of the guide hole 6. Preferably, the second magnetic member 4 is parallel to the central axis of the guide hole 6, i.e., the second magnetic member 4 is parallel to the first magnetic member 3. In actual use, the position of the first magnetic member 3 in the guide hole 6 is changed, so that the size of the attraction area between the first magnetic member 3 and the second magnetic member 4 is changed, and the change of the size of the magnetic attraction force between the first magnetic member 3 and the second magnetic member 4 is realized.

For example, a plurality of lock holes may be provided in the base 5 so as to be aligned in the longitudinal direction of the guide hole 6, and a lock projection inserted into one lock hole may be provided in the first magnetic member 3, so that the first magnetic member 3 can be positioned at different positions in the longitudinal direction of the guide hole 6 by the engagement of the lock projection and the lock hole. Of course, other ways to position the first magnetic member 3 at a desired position along the length of the guiding hole 6 can be used.

The structure for adjusting the combining force between the corner block and the edge block further comprises an elastic member 7 and a locking unit movably arranged relative to the base 5, the elastic member 7 is located in the guide hole 6, the elastic member 7 is used for acting on the first magnetic member 3, for example, two ends of the elastic member 7 respectively act on the first magnetic member 3 and an inner end face of one end of the guide hole 6. Preferably, the elastic member 7 may be a spring.

When the locking unit moves forward relative to the base part 5, the first magnetic part 3 is driven to move along the length direction of the guide hole 6, and the elastic part 7 is elastically deformed; when the latch unit moves reversely relative to the base 5, the elastic member 7 drives the first magnetic member 3 to reset under the action of elastic restoring force.

When the position of the first magnetic member 3 in the guiding hole 6 needs to be changed, the latch unit is driven to move relative to the base 5, and after the latch unit moves, the latch unit can drive the first magnetic member 3 to move in the guiding hole 6 or the elastic member 7 drives the first magnetic member 3 to move in the guiding hole 6 under the action of the elastic restoring force, so that the position of the first magnetic member 3 in the guiding hole 6 is changed, and the magnetic attraction force between the first magnetic member 3 and the second magnetic member 4 is changed.

The locking unit is provided with a push bar 8 which is slidably accommodated in the guide hole 6, a cam member 9 which is rotatably arranged on the base part 5, the central axis of the guide hole 6 is arranged to intersect with the rotation axis of the cam member 9, namely, the central axis of the guide hole 6 is not parallel to the rotation axis of the cam member 9, the first magnetic member 3 is positioned between the elastic member 7 and the push bar 8, and a cam disc 11 of the cam member 9 is abutted on one end of the push bar 8 far away from the first magnetic member 3. One end of the first magnetic member 3 is pressed on the elastic member 7, and the other end of the first magnetic member 3 abuts against one end of the push bar 8.

When it is desired to change the position of the first magnetic member 3 in the guide hole 6, the user rotates the cam member 9, and the movement of the first magnetic member 3 in the guide hole 6 is achieved by the change in the radius of the cam plate 11 of the cam member 9. When the cam disc 11 is pressed against the push bar 8 from the small radius to the large radius, the cam disc 11 presses the push bar 8 to make the push bar 8 move forward in the guide hole 6, the forward moving push bar 8 drives the first magnetic member 3 to move forward in the guide hole 6, and the forward moving push bar 8 presses the elastic member 7 to make the elastic member 7 deform elastically. When the cam disc 11 is in contact with the push bar 8 from a large radius to a small radius, the elastic member 7 drives the first magnetic member 3 to move reversely under the elastic restoring force, and the reversely moving first magnetic member 3 pushes the push bar 8 to move reversely, so that the push bar 8 is always in contact with the cam disc 11.

Preferably, the main body of the push bar 8 is T-shaped, the main rod part of the push bar 8 is slidably accommodated in the guide hole 6, the cap part of the push bar 8 is located outside the guide hole 6, the outer diameter of the cap part of the push bar 8 is larger than the aperture of the guide hole 6, and the influence on normal use caused by the fact that the push bar 8 is completely immersed in the guide hole 6 is avoided by means of the structural design of the cap part of the push bar 8.

According to actual needs, the anti-rotation rib can be arranged on the outer side of the main rod part of the push bar 8, the inner hole surface of the self-guide hole 6 is concavely formed into the anti-rotation groove, the anti-rotation rib is accommodated in the anti-rotation groove, and the anti-rotation rib is blocked and abutted by the inner groove side surface of the anti-rotation groove, so that the push bar 8 rotates relative to the base part 5, and the push bar 8 can only slide along the guide hole 6.

A shaft member 12 of the cam member 9 is rotatably provided on the base 5, and one end of the shaft member 12 remote from the cam plate 11 is exposed outside the base 5 and is formed with a detent at which an external member acts to rotate the cam member 9. In this embodiment, the base 5 is provided with a first rib and a second rib, the first rib is provided with a notch groove, one end of the shaft 12 close to the cam plate 11 is rotatably disposed on the first rib and is located in the notch groove, and one end of the shaft 12 far away from the cam plate 11 is rotatably disposed on the second rib and penetrates through the second rib.

Preferably, the detent is a blind hole recessed from the end surface of the shaft 12, when the cam member 9 needs to be rotated, an external locking plate can be inserted into the detent, and then the shaft 12 can be rotated together by rotating the locking plate, and the rotating shaft 12 can drive the cam disc 11 to rotate.

The cam disc 11 is provided with a plurality of positioning bayonets 13, the positioning bayonets 13 are formed by being recessed from the outer edge surface of the cam disc 11, and the push bar 8 is formed with a clip rib 14 protruding into one positioning bayonet 13. In practical use, the first magnetic member 3 can be moved in the guiding hole 6 by the rotating cam plate 11, and after the first magnetic member 3 is moved to a desired position, the card rib 14 extends into one of the positioning bayonets 13, and abuts against the outer side surface of the card rib 14 by means of the inner side surface of the positioning bayonets 13, so that the first magnetic member 3 is positioned at the desired position in the guiding hole 6, and the first magnetic member 3 is prevented from moving in the guiding hole 6 again.

An inclined plate 15 is provided at an end of the push bar 8 remote from the first magnetic member 3, the inclined plate 15 being parallel to the rotational axis of the cam member 9, and a catch rib 14 is provided on the inclined plate 15. Preferably, the inclined plate 15 is a part of the cap portion of the push bar 8, and the rotation of the cam plate 11 and the sliding transition of the push bar 8 in the guide hole 6 are smoothly transitioned by the parallel arrangement of the inclined plate 15 and the rotation axis of the cam member 9, so that the clamping during adjustment is reduced, and the user experience is improved.

The corner block units 1 and the edge block units 2 are made of insulating plastics; angle piece unit 1, arris piece unit 2 can adopt injection mold injection moulding, also can print the shaping through 3D, promote manufacturing efficiency, reduce manufacturing cost. The insulating plastic does not have the magnetic permeability characteristic, and the interference of the angle block unit 1 and the edge block unit 2 to the magnetic attraction between the two magnetic parts is avoided.

The first magnetic part 3 and the second magnetic part 4 are respectively positioned in the corner block unit 1 and the edge block unit 2, and the first magnetic part 3 and the second magnetic part 4 are installed in the corner block unit 1 and the edge block unit 2, so that the magnetic parts are prevented from being exposed and damaged by touching, and the magnetic parts are prevented from being separated from the corner block unit 1 or the edge block unit 2 due to magnetic attraction of the two magnetic parts.

In this embodiment, the corner block unit 1 is provided with a base 5, the base 5 has a hollow column 16, the hollow column 16 is a substantially hollow cylinder, the elastic member 7 is located in the hollow column 16, the first magnetic member 3 is movably accommodated in the hollow column 16, and the first magnetic member 3 is shielded and isolated by the side wall of the hollow column 16 to prevent the first magnetic member 3 from falling off the base 5.

The prism block unit 2 comprises a first prism body and a second prism body buckled with the first prism body, and the first prism body and the second prism body are surrounded to form a closed hole for accommodating the second magnetic part 4. The second magnetic part 4 is protected and isolated by the side wall of the closed hole, so that the second magnetic part 4 is prevented from being pulled out of the prism block unit 2.

The structure for adjusting the binding force between the corner blocks and the edge blocks further comprises a third magnetic part 17 and a fourth magnetic part 18 which are fixedly arranged on the corner block unit 1 and the edge block unit 2 respectively, wherein the third magnetic part 17 or the fourth magnetic part 18 is a permanent magnet, the third magnetic part 17 can be a permanent magnet, and the fourth magnetic part 18 is made of magnetic conductive materials such as iron, cobalt or nickel; of course, the fourth magnetic member 18 may be a permanent magnet, and the third magnetic member 17 is made of a magnetic conductive material such as iron, cobalt, or nickel; the latter third magnetic member 17 and the fourth magnetic member 18 are both permanent magnets. The corner block unit 1 and the edge block unit 2 are aligned by the magnetic attraction between the third magnetic member 17 and the fourth magnetic member 18.

In actual use, after the corner block unit 1 and the edge block unit 2 are aligned, the central axis of the third magnetic member 17 and the central axis of the fourth magnetic member 18 are arranged in a collinear manner, the central axis of the first magnetic member 3 and the central axis of the second magnetic member 4 are arranged in parallel, and the central axis of the third magnetic member 17 and the central axis of the first magnetic member 3 are arranged in a crossed manner, that is, the central axis of the third magnetic member 17 and the central axis of the first magnetic member 3 are not parallel. The magnetic attraction between the first magnetic member 3 and the second magnetic member 4 can be generally understood as aligning the radial directions of the corner block units 1 and the edge block units 2. The magnetic attraction between the third magnetic member 17 and the fourth magnetic member 18 aligns the corner block units 1 and the edge block units 2 in the circumferential direction, so that the corner block units 1 and the edge block units 2 are aligned more stably.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and it is to be understood that the present invention is not limited to the above embodiments, but may be modified within the scope of the present invention.

Claims

1. A magic cube with adjustable bonding force of corner blocks and edge blocks comprises corner block units and edge block units; the method is characterized in that: the corner block unit and the edge block unit are aligned by means of magnetic attraction between the first magnetic part and the second magnetic part; the corner block unit or the edge block unit is provided with a base part, and the first magnetic part is movably arranged on the base part; the position of the first magnetic piece on the base is adjusted to change the magnetic attraction force between the two magnetic pieces, and the bonding force between the corner block units and the edge block units is changed.

2. The magic cube with adjustable bonding force between corner blocks and edge blocks as claimed in claim 1, wherein: the base part is provided with a guide hole for accommodating the first magnetic part, and the first magnetic part moves along the length direction of the guide hole.

3. The magic cube with adjustable bonding force of corner blocks and edge blocks as claimed in claim 2, wherein: the elastic piece is positioned in the guide hole and used for acting on the first magnetic piece; when the locking unit moves forward relative to the base part, the first magnetic part is driven to move along the length direction of the guide hole, and the elastic part is elastically deformed; when the locking unit moves reversely relative to the base, the elastic piece drives the first magnetic piece to reset under the action of elastic restoring force.

4. The magic cube with adjustable bonding force of corner blocks and edge blocks as claimed in claim 3, wherein: the locking unit is provided with a push bar which is slidably accommodated in the guide hole and a cam piece which is rotatably arranged on the base part, the central axis of the guide hole is crossed with the rotating axis of the cam piece, the first magnetic piece is positioned between the elastic piece and the push bar, and the cam disc of the cam piece is abutted against one end of the push bar, which is far away from the first magnetic piece.

5. The magic cube with adjustable bonding force of corner blocks and edge blocks as claimed in claim 4, wherein: the shaft member of the cam member is rotatably disposed on the base, and one end of the shaft member remote from the cam plate is exposed outside the base and is formed with a detent at which an external member acts to rotate the cam member.

6. The magic cube with adjustable bonding force of corner blocks and edge blocks as claimed in claim 4, wherein: the cam disc is provided with a plurality of positioning bayonets which are formed by the concave arrangement of the outer edge surface of the cam disc, and the push bar is provided with a clamping rib which extends into one positioning bayonet.

7. The magic cube with adjustable bonding force between corner blocks and edge blocks as claimed in claim 6, wherein: the end of the push bar far away from the first magnetic part is provided with an inclined plate which is parallel to the rotation axis of the cam part, and the clamping rib bar is arranged on the inclined plate.

8. The magic cube with adjustable bonding force between corner blocks and edge blocks as claimed in claim 1, wherein: the corner block unit and the edge block unit are made of insulating materials, and the first magnetic part and the second magnetic part are respectively located in the corner block unit and the edge block unit.

9. The magic cube with adjustable bonding force of corner blocks and edge blocks as claimed in claim 8, wherein: the corner block unit is provided with a base part, the base part is provided with a hollow column, and the first magnetic part is movably accommodated in the hollow column; the arris piece unit includes first arris body, the second arris body with first arris body lock, and first arris body, second arris body enclose to establish and form and are used for holding the closed hole of establishing the second magnetic part.

10. The magic cube with adjustable bonding force between corner blocks and edge blocks as claimed in claim 1, wherein: the corner block unit and the edge block unit are aligned by means of magnetic attraction between the third magnetic part and the fourth magnetic part; after the corner block unit and the edge block unit are aligned, the central axis of the third magnetic part and the central axis of the fourth magnetic part are arranged in a collinear manner, the central axis of the first magnetic part and the central axis of the second magnetic part are arranged in parallel, and the central axis of the third magnetic part and the central axis of the first magnetic part are arranged in a crossed manner.