CN114534240A

CN114534240A - Dual-mode dual-modulation system of center block and magic cube of visual magnetic force bin

Info

Publication number: CN114534240A
Application number: CN202210330985.9A
Authority: CN
Inventors: 江淦源
Original assignee: Ganyuan Intelligent Technology Guangdong Co ltd
Current assignee: Ganyuan Intelligent Technology Guangdong Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-05-27
Anticipated expiration: 2042-03-30
Also published as: CN114534240B

Abstract

The invention relates to the technical field of magic cubes and discloses a center block dual-mode dual-adjustment system and a magic cube with a visual magnetic force bin. According to the invention, the movable ball is contacted with the surface of the central shaft block, the top contact spring pushes the movable column, the movable ball is switched between planes of the central shaft block, the top contact spring buffers the fluctuation motion of the movable ball, the movable ball is accurately positioned on the surface of the central shaft block, the corner block magnet ring and the axis magnet ring are correspondingly adsorbed, the corner block of the magic cube is guided to rotate to an accurate position, the position of the axis magnet ring on the threaded pipe is adjusted by adjusting the rotation of the rotating wheel, the distance between the corner block magnet ring and the axis magnet ring is changed, the adsorption force is adjusted, the rotation performance of the magic cube is conveniently adjusted, and the preference of different people is met.

Description

Dual-mode dual-modulation system of center block and magic cube of visual magnetic force bin

Technical Field

The invention relates to the technical field of magic cubes, in particular to a central block dual-mode dual-tone system and a magic cube with a visual magnetic bin.

Background

The magic cube generally comprises a plurality of unit blocks and a multi-dimensional 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, 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 corners of the magic cube, twelve edge blocks which are respectively positioned between two adjacent corner blocks, a relatively complex magic cube is usually adopted in a magic cube match as a competition prop, and in the competition process, contestants need to rotate rapidly to complete the reordering of the magic cube in the shortest time.

Rely on the accurate rotation of player when traditional magic cube rotates, need make the magic cube rotate at every turn and all be 90 degrees, but the magic cube just blocks easily, and has the magic cube of magnetic force location square, has magnetic attraction and lets the magic cube be adsorbed by magnetic force at 90 degrees bodies, fixes a position more accurately but the rotary friction effect of magic cube is influenced again to magnetic force size, influences the rotatory of magic cube and feels.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a central block dual-mode dual-adjustment system and a magic cube with a visual magnetic bin, which solve the problems that the magic cube is easy to block when rotating, and the magic cube with a magnetic positioning block is adsorbed by magnetic force in a 90-degree body due to magnetic attraction, so that the positioning is more accurate, but the magnetic force influences the rotating friction effect of the magic cube and the rotating hand feeling of the magic cube.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a magic cube of a center block dual-mode dual-adjustment system and a visual magnetic force bin comprises a center shaft block, wherein a fixed shaft is fixedly arranged outside the center shaft block, a magic cube center block is movably arranged at the outer end of the fixed shaft, magic cube edge blocks are clamped between the magic cube center blocks, and magic cube corner blocks can be connected between the magic cube edge blocks;

the center shaft block is arranged in an octahedron shape, an installation cylinder is fixedly arranged on the surface of the center shaft block, a threaded pipe is placed inside the installation cylinder, metal rings are fixedly arranged at two ends of the threaded pipe, an adjusting rotating wheel is connected to the outer portion of the threaded pipe in a threaded mode, and an axis magnet ring is sleeved in the middle of the adjusting rotating wheel;

magic cube corner piece bottom mounting is provided with the joint head, the fixed stationary leaf that is provided with in magic cube corner piece top, the fixed stationary leaf that is provided with down in magic cube corner piece bottom, it is equipped with the activity post to go up the cover between stationary leaf and the lower stationary leaf, the fixed movable ball that is provided with in activity post bottom, there is movable ball and central axis piece surface matching to set up, movable post surface can be dismantled and be provided with the corner cube magnet circle, corner cube magnet circle corresponds with axle center magnet circle and adsorbs the setting, it touches the spring to be provided with the top between corner cube magnet circle and the last stationary leaf, the spring is touched on the top and the activity post cup joints.

Preferably, the central shaft block and the fixed shaft connecting part are fixedly sleeved with a sliding support ring, the sliding support ring is made of a metal material, and the clamping head is in sliding connection with the sliding support ring.

Preferably, the inner end of the mounting cylinder is fixedly provided with a mounting washer, the mounting washer is made of a metal material, a mounting column is fixedly arranged in the middle of the mounting washer, and the threaded pipe is sleeved with the mounting column.

Preferably, the top and the bottom of the corner block magnet ring are provided with installation rings, the surface of each installation ring is fixedly provided with an installation sleeve, the installation sleeves are sleeved with the movable columns, the middle parts of the installation sleeves are inserted with locking shafts, and the locking shafts penetrate through the movable columns.

Preferably, a buffer rubber ring is fixedly arranged on the surface of the lower fixing page, and the buffer rubber ring is matched with the mounting ring.

Preferably, the four corners of the upper fixed leaf are fixedly provided with corner block connecting cylinders, the outer surface of the magic cube corner block is provided with a corner block cover, the bottom of the corner block cover is fixedly provided with a corner block connecting column, and the corner block connecting column is sleeved with the corner block connecting cylinders.

Preferably, the four corners inside the magic cube center block are fixedly provided with center block connecting cylinders, the outer surface of the magic cube center block is provided with a center block cover, the bottom of the center block cover is fixedly provided with a center block connecting column, and the center block connecting column is sleeved with the center block connecting cylinders.

Preferably, the magic cube center block middle part activity cover is equipped with the connecting axle, connecting axle bottom and fixed axle threaded connection, the connecting axle top can be dismantled and be provided with the end cover, be provided with inseparable spring between end cover and the magic cube center block, inseparable spring cup joints with the connecting axle.

Preferably, the fixed chain cover that is provided with in end cover middle part, the chain cover cup joints with the connecting axle, the fixed cushion that presses that is provided with in the end cover outside, the outside cover of chain cover is equipped with presses the clamping ring, press the fixed adjustment that is provided with in clamping ring middle part and insert the axle, connecting axle top surface equidistance has evenly seted up the regulation jack, the adjustment is inserted the axle and is pegged graft with the regulation jack, press the clamping ring and fixedly press and be provided with between the cushion and press the reset spring, the adjustment is inserted an outer end and is stretched out the clamping ring outer lane, reset spring and adjustment are inserted the axle and stretch out the end and cup joint.

(III) advantageous effects

The invention provides a center block dual-mode dual-tone system and a magic cube of a visual magnetic bin, which have the following beneficial effects:

(1) according to the invention, the octahedral central shaft block is arranged, when the magic cube is rotated, the movable ball is in contact with the surface of the central shaft block, the pushing spring pushes the movable column, the movable ball is switched between planes of the central shaft block, the pushing spring buffers the fluctuation motion of the movable ball, the elastic force of the pushing spring is utilized to accurately position the movable ball on the surface of the central shaft block, the installation cylinder is used for placing the threaded pipe, the angle block magnet ring and the axis magnet ring are correspondingly adsorbed to guide the magic cube to rotate to an accurate position, the position of the axis magnet ring on the threaded pipe is adjusted by adjusting the rotation of the rotating wheel, the distance between the angle block magnet ring and the axis magnet ring is changed, the adsorption force is adjusted, the rotation performance of the magic cube is conveniently adjusted, and the hobbies of different people are met.

(2) According to the invention, the connecting shaft is in threaded connection with the fixed shaft, the center block cover on the magic cube center block is opened, the pressing ring and the fixed pressing cushion block are oppositely extruded, the restoring spring is compressed, the adjusting linkage sleeve slides on the connecting shaft, the position of the end cover is adjusted, the extruding pressing ring and the fixed pressing cushion block are subsequently loosened, the inserting shaft is adjusted to be inserted into the adjusting insertion hole, the tightness effect of the tight spring is further adjusted, the tightness of the edge block and the corner block of the magic cube is adjusted, the hand feeling requirements of players on the magic cube are considered, and the magic cube is convenient to play.

Drawings

FIG. 1 is a schematic view of the overall structure of the magic cube of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 3 according to another embodiment of the present invention;

FIG. 3 is a schematic view of the overall structure of the present invention;

FIG. 4 is a schematic side view of a cross-sectional structure of the magic cube corner block of the present invention;

FIG. 5 is a schematic view of the overall construction of the mandrel block of the present invention;

FIG. 6 is a schematic view showing the overall structure of the threaded pipe of the present invention;

FIG. 7 is a schematic view of the structure of portion A of FIG. 4 according to the present invention;

fig. 8 is a schematic top sectional view of the end cap of the present invention.

In the figure: 1. a central shaft block; 2. a fixed shaft; 3. a magic cube center block; 4. magic cube prism blocks; 5. a magic cube corner block; 6. mounting the cylinder; 7. a threaded pipe; 8. a metal ring; 9. adjusting the rotating wheel; 10. an axis magnetic ring; 11. a snap head; 12. an upper fixed page; 13. a lower fixed page; 14. a movable post; 15. a movable ball; 16. a corner block magnet ring; 17. a top contact spring; 18. a sliding support ring; 19. installing a gasket; 20. mounting a column; 21. installing a ferrule; 22. installing a sleeve; 23. a locking shaft; 24. a buffer rubber ring; 25. a corner block connecting cylinder; 26. a corner block cover; 27. a corner block connecting column; 28. a central block connecting cylinder; 29. a center block cover; 30. a central block connecting column; 31. a connecting shaft; 32. an end cap; 33. a tightening spring; 34. a linking sleeve; 35. fixing the pressing cushion block; 36. pressing a ring; 37. adjusting the inserted shaft; 38. adjusting the jack; 39. and restoring the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 8, the present invention provides a technical solution: a magic cube of a center block dual-mode dual-adjustment system and a visual magnetic force bin comprises a center shaft block 1, wherein a fixed shaft 2 is fixedly arranged outside the center shaft block 1, a magic cube center block 3 is movably arranged at the outer end of the fixed shaft 2, magic cube edge blocks 4 are clamped between the magic cube center blocks 3, magic cube corner blocks 5 can be connected between the magic cube edge blocks 4, and the magic cube center block 3, the magic cube edge blocks 4 and the magic cube corner blocks 5 are assembled to form a magic cube;

the central shaft block 1 is arranged in an octahedron shape, the surface of the central shaft block 1 is fixedly provided with an installation cylinder 6, a threaded pipe 7 is placed inside the installation cylinder 6, two ends of the threaded pipe 7 are fixedly provided with metal rings 8, the outside of the threaded pipe 7 is in threaded connection with an adjusting rotating wheel 9, the middle of the adjusting rotating wheel 9 is sleeved with an axis magnet ring 10, the position of the axis magnet ring 10 on the threaded pipe 7 is adjusted by rotation of the adjusting rotating wheel 9, the distance between an angle block magnet ring 16 and the axis magnet ring 10 is changed, the adsorption force is adjusted, and the rotation performance of the magic cube is conveniently adjusted;

the bottom fixing of the magic cube corner block 5 is provided with a clamping head 11, the top of the magic cube corner block 5 is fixedly provided with an upper fixed leaf 12, the bottom of the magic cube corner block 5 is fixedly provided with a lower fixed leaf 13, a movable column 14 is sleeved between the upper fixed leaf 12 and the lower fixed leaf 13, the bottom fixing of the movable column 14 is provided with a movable ball 15, the movable ball 15 is matched with the surface of the central shaft block 1, the surface of the movable column 14 is detachably provided with a corner block magnet ring 16, the corner block magnet ring 16 corresponds to the axis magnet ring 10 in an adsorption manner, a top contact spring 17 is arranged between the corner block magnet ring 16 and the upper fixed leaf 12, the top contact spring 17 is sleeved with the movable column 14, when the magic cube is rotated, the movable ball 15 is in surface contact with the central shaft block 1, the top contact spring 17 pushes the movable column 14, the movable ball 15 is switched between the planes of the central shaft block 1, and the top contact spring 17 buffers the fluctuation motion of the movable ball 15, and the elastic force of the abutting spring 17 is utilized to accurately position the movable ball 15 on the surface of the central shaft block 1, so that the accurate rotating effect of the magic cube is improved.

Furthermore, the fixed cover of central axis piece 1 and fixed axle 2 connecting portion is equipped with slip lock ring 18, slip lock ring 18 is made by metal material, snap head 11 and slip lock ring 18 sliding connection, and when rotatory magic cube, when magic cube corner block 5 moved, snap head 11 and slip lock ring 18 contact and slide, improved the nimble effect of rotation of magic cube.

Further, a mounting washer 19 is fixedly arranged at the inner end of the mounting cylinder 6, the mounting washer 19 is made of a metal material, a mounting column 20 is fixedly arranged in the middle of the mounting washer 19, the threaded pipe 7 is sleeved with the mounting column 20, the threaded pipe 7 is placed into the mounting cylinder 6, the threaded pipe 7 is sleeved with the mounting column 20, and the axis magnet ring 10 is convenient to mount and fix.

Further, 16 tops of hornblock magnet circle and bottom all are provided with installation lasso 21, installation lasso 21 fixed surface is provided with installation sleeve 22, installation sleeve 22 cup joints with activity post 14, installation sleeve 22 middle part is inserted and is equipped with locking shaft 23, locking shaft 23 runs through activity post 14, and installation lasso 21 carries out the centre gripping fixedly to hornblock magnet circle 16, and installation sleeve 22 middle part is inserted the locking shaft 23 of establishing and is passed activity post 14, fixes installation lasso 21, improves the stable effect of hornblock magnet circle 16, and hornblock magnet circle 16 magnetizes activity post 14 and activity ball 15 for hornblock magnet circle 16 can correspond with axle center magnet circle 10 and adsorb.

Further, the surface of the lower fixed leaf 13 is fixedly provided with a buffer rubber ring 24, the buffer rubber ring 24 is matched with the installation ferrule 21, and the buffer rubber ring 24 buffers the installation ferrule 21, so that the stabilizing effect is improved.

Further, go up 12 four corners of stationary leaf and all fixedly provided with corner

piece connecting cylinder

25, 5 surfaces of magic cube corner block are provided with corner piece lid 26, the fixed corner piece spliced pole 27 that is provided with in corner piece lid 26 bottom, corner piece spliced pole 27 cup joints with corner piece connecting cylinder 25, and corner piece spliced pole 27 and corner piece connecting cylinder 25 make things convenient for opening of corner piece lid 26, make things convenient for assembling of magic cube.

Further, the inside four corners of magic cube center block 3 all fixedly are provided with center

block connecting cylinder

28, 3 surfaces of magic cube center block are provided with center block lid 29, center block connecting column 30 is fixedly arranged at the bottom of center block lid 29, center block connecting column 30 is sleeved with center block connecting cylinder 28, and center block connecting column 30 is sleeved with center block connecting cylinder 28, so that center block lid 29 is conveniently opened, and the magic cube is conveniently assembled.

Further, 3 middle part movable sleeve of magic cube center block is equipped with connecting axle 31, connecting axle 31 bottom and 2 threaded connection of fixed axle, connecting axle 31 top can be dismantled and be provided with end cover 32, be provided with inseparable spring 33 between end cover 32 and the magic cube center block 3, inseparable spring 33 cup joints with connecting axle 31, and through the inseparable effect of adjustment inseparable spring 33, the elasticity performance of realization adjustment magic cube arris piece 4 and magic cube corner piece 5 compromises the requirement of feeling of player to the magic cube.

Further, an interlocking sleeve 34 is fixedly arranged in the middle of the end cover 32, the interlocking sleeve 34 is sleeved with the connecting shaft 31, a fixed pressing cushion block 35 is fixedly arranged on the outer side of the end cover 32, a pressing ring 36 is sleeved outside the interlocking sleeve 34, an adjusting insertion shaft 37 is fixedly arranged in the middle of the pressing ring 36, adjusting insertion holes 38 are uniformly formed in the surface of the top of the connecting shaft 31 at equal intervals, the adjusting insertion shaft 37 is inserted into the adjusting insertion holes 38, a pressing restoring spring 39 is arranged between the pressing ring 36 and the fixed pressing cushion block 35, the outer end of the adjusting insertion shaft 37 extends out of the outer ring of the pressing ring 36, the restoring spring 39 and the adjusting insertion shaft 37 extend out of the end sleeve to be sleeved, the central block cover 29 on the magic cube central block 3 is opened, the pressing ring 36 and the fixed pressing cushion block 35 are oppositely squeezed, the restoring spring 39 is compressed, the interlocking sleeve 34 is adjusted to slide on the connecting shaft 31, and the position of the end cover 32 is adjusted, subsequently, the extrusion pressing ring 36 and the fixed pressing cushion block 35 are loosened, the adjusting insertion shaft 37 is inserted into the adjusting insertion hole 38, and the tightness effect of the tightening spring 33 is adjusted.

In conclusion, the working process of the invention is as follows: when the magic cube is played, the center block cover 29 on the magic cube center block 3 is opened, the pressing ring 36 and the fixed pressing cushion block 35 are oppositely extruded, the restoring spring 39 is compressed, the interlocking sleeve 34 is adjusted to slide on the connecting shaft 31, the position of the end cover 32 is adjusted, the extruding pressing ring 36 and the fixed pressing cushion block 35 are subsequently loosened, the inserting shaft 37 is adjusted to be inserted into the adjusting inserting hole 38, the tight effect of the tight spring 33 is further adjusted, the tightness of the magic cube edge block 4 and the magic cube corner block 5 is adjusted, the hand feeling requirements of players on the magic cube are considered, the center shaft block 1 in an octahedron shape is formed, when the magic cube is rotated, the movable ball 15 is in surface contact with the center shaft block 1, the top contact spring 17 pushes the movable column 14, the movable ball 15 is switched between the planes of the center shaft block 1, the top contact spring 17 buffers the fluctuation motion of the movable ball 15, and the elastic force of the top contact spring 17 is utilized to accurately position the movable ball 15 on the surface of the center shaft block 1, the installation cylinder 6 is used for placing the threaded pipe 7, the corner block magnet ring 16 and the axis magnet ring 10 are correspondingly adsorbed, the magic cube corner block 5 is guided to rotate to an accurate position, the position of the axis magnet ring 10 on the threaded pipe 7 is adjusted through rotation of the adjusting rotating wheel 9, the distance between the corner block magnet ring 16 and the axis magnet ring 10 is changed, the adsorption force is adjusted, the rotating performance of the magic cube is conveniently adjusted, and the hobbies of different people are met.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a magic cube in two mode bitonic systems of center block and visual magnetic force storehouse, includes central axis piece (1), its characterized in that: a fixed shaft (2) is fixedly arranged outside the central shaft block (1), magic cube central blocks (3) are movably arranged at the outer ends of the fixed shaft (2), magic cube edge blocks (4) are clamped between the magic cube central blocks (3), and magic cube corner blocks (5) can be connected between the magic cube edge blocks (4);

the center shaft block (1) is arranged in an octahedron shape, an installation cylinder (6) is fixedly arranged on the surface of the center shaft block (1), a threaded pipe (7) is placed inside the installation cylinder (6), metal rings (8) are fixedly arranged at two ends of the threaded pipe (7), an adjusting rotating wheel (9) is connected to the outer portion of the threaded pipe (7) in a threaded mode, and an axis magnet ring (10) is sleeved in the middle of the adjusting rotating wheel (9);

magic cube corner block (5) bottom mounting is provided with joint head (11), fixed solid page or leaf (12) of being provided with in magic cube corner block (5) top, fixed solid page or leaf (13) down are provided with to fixed magic cube corner block (5) bottom mounting, it is equipped with movable post (14) to go up the cover between solid page or leaf (12) and the solid page or leaf (13) down, activity post (14) bottom mounting is provided with movable ball (15), there are movable ball (15) and central shaft piece (1) surface matching setting, movable post (14) surface can be dismantled and be provided with corner cube magnet circle (16), corner cube magnet circle (16) and axle center magnet circle (10) correspond the absorption setting, be provided with between corner cube magnet circle (16) and last solid page or leaf (12) and touch spring (17), the top touches spring (17) and cup joints with movable post (14).

2. The magic cube of a center block dual-mode dual-tone system and visual magnetic force bin as claimed in claim 1, wherein: the central shaft block (1) and the fixed shaft (2) are fixedly sleeved with a sliding support ring (18), the sliding support ring (18) is made of a metal material, and the clamping head (11) is in sliding connection with the sliding support ring (18).

3. The magic cube of a center block dual-mode dual-tone system and visual magnetic force bin as claimed in claim 1, wherein: the mounting device is characterized in that a mounting gasket (19) is fixedly arranged at the inner end of the mounting cylinder (6), the mounting gasket (19) is made of a metal material, a mounting column (20) is fixedly arranged in the middle of the mounting gasket (19), and the threaded pipe (7) is sleeved with the mounting column (20).

4. The magic cube of a center block dual-mode dual-tone system and visual magnetic force bin as claimed in claim 1, wherein: the angle block magnet ring is characterized in that the top and the bottom of the angle block magnet ring (16) are respectively provided with an installation ferrule (21), the surface of the installation ferrule (21) is fixedly provided with an installation sleeve (22), the installation sleeve (22) is sleeved with a movable column (14), the middle part of the installation sleeve (22) is inserted with a locking shaft (23), and the locking shaft (23) penetrates through the movable column (14).

5. The magic cube of central block dual-mode dual-tone system and visual magnetic force bin of claim 4, wherein: the surface of the lower fixed leaf (13) is fixedly provided with a buffer rubber ring (24), and the buffer rubber ring (24) is matched with the mounting ring (21).

6. The magic cube of a center block dual-mode dual-tone system and visual magnetic force bin as claimed in claim 1, wherein: go up stationary leaf (12) four corners and all fixedly provided with corner piece connecting cylinder (25), magic cube corner block (5) surface is provided with corner piece lid (26), corner piece lid (26) bottom is fixed and is provided with corner piece spliced pole (27), corner piece spliced pole (27) cup joint with corner piece connecting cylinder (25).

7. The magic cube of a center block dual-mode dual-tone system and visual magnetic force bin as claimed in claim 1, wherein: the magic cube center block is characterized in that center block connecting cylinders (28) are fixedly arranged at four inner corners of the magic cube center block (3), a center block cover (29) is arranged on the outer surface of the magic cube center block (3), a center block connecting column (30) is fixedly arranged at the bottom of the center block cover (29), and the center block connecting column (30) is sleeved with the center block connecting cylinders (28).

8. The magic cube of a center block dual-mode dual-tone system and visual magnetic force bin as claimed in claim 1, wherein: magic cube center block (3) middle part movable sleeve is equipped with connecting axle (31), connecting axle (31) bottom and fixed axle (2) threaded connection, connecting axle (31) top can be dismantled and be provided with end cover (32), be provided with inseparable spring (33) between end cover (32) and magic cube center block (3), inseparable spring (33) cup joint with connecting axle (31).

9. The magic cube of central block dual-mode dual-tone system and visual magnetic force bin of claim 8, wherein: end cover (32) middle part is fixed to be provided with interlocking cover (34), interlocking cover (34) cup joint with connecting axle (31), end cover (32) outside is fixed to be provided with fixedly presses cushion (35), interlocking cover (34) outside cover is equipped with presses clamping ring (36), press clamping ring (36) middle part fixed to be provided with the adjustment and insert axle (37), adjusting jack (38) have evenly been seted up to connecting axle (31) top surface equidistance, the adjustment is inserted axle (37) and is pegged graft with adjusting jack (38), press clamping ring (36) and fixed pressing to be provided with between cushion (35) and press recovery spring (39), the adjustment is inserted axle (37) outer end and is stretched out clamping ring (36) outer lane, recovery spring (39) and adjustment are inserted axle (37) and are stretched out the end and cup joint.