CN106215425B - Youyou ball capable of adjusting force - Google Patents

Abstract

The invention relates to a yo-yo ball capable of adjusting force, which comprises two side components, a ball shell component connected between the two side components, and a clockwork mechanism rotatably arranged in the ball shell component, and is characterized by further comprising a force adjusting device, wherein at least one side component rotates relative to the ball shell component, the force adjusting device is arranged on the side component capable of rotating relative to the ball shell component, the force adjusting device is matched with the clockwork mechanism, and the force adjusting device changes the force of the clockwork mechanism when the side component rotates relative to the ball shell component, so that a player can select different force gears to throw out and rotate the yo-yo ball, thereby achieving different play experiences and enabling the play of the yo-yo ball to be more interesting.

Description

Youyou ball capable of adjusting force

Technical Field

The invention relates to the technical field of yo-yo balls, in particular to a yo-yo ball with adjustable strength.

Background

The yo-yo is a popular children toy, the basic structure of the yo-yo is a complete body formed by two independent symmetrical side components, a ball shell component is arranged between the two side components, a rope is wound on the periphery of the ball shell component, and a player can throw out or withdraw the yo-yo by controlling the rope during playing. In order to improve the game pleasure of the yo-yo, various functions, such as an acousto-optic function, a side shaft function and the like, are added to the yo-yo. However, the existing yo-yo does not have the function of adjusting the throwing force, so that the experience effects of players with different strength are different, particularly the yo-yo with small strength cannot rotate at high speed.

Disclosure of Invention

The invention aims to solve the problems and provide the yo-yo with higher applicability and capability of adjusting the strength, which can ensure that players with different strength can experience well.

The technical scheme of the invention is realized as follows:

the utility model provides a yo-yo ball of ability regulation dynamics, including two side subassemblies, connect the spherical shell subassembly between two side subassemblies and rotationally install the clockwork spring mechanism in the spherical shell subassembly, its characteristics are still including dynamics adjusting device, at least one side subassembly is relative the spherical shell subassembly rotates, dynamics adjusting device sets up on the side subassembly that can rotate relative spherical shell subassembly, dynamics adjusting device with clockwork spring mechanism cooperatees, dynamics adjusting device changes the dynamics of clockwork spring mechanism when the relative spherical shell subassembly of side subassembly rotates.

Wherein, in order to realize that the dynamics adjusting device can fix in the position that needs after adjusting, dynamics adjusting device is including setting up locking mechanical system and the coupling mechanism on the side subassembly, coupling mechanism with clockwork spring mechanism is connected, the side subassembly is relative after the spherical shell subassembly rotates through the locking mechanical system lock joint is fixed and realize that coupling mechanism changes clockwork spring mechanism's dynamics.

Furthermore, locking mechanical system is including joint recess and elasticity projection, the joint recess sets up on the side subassembly, the elasticity projection sets up on the spherical shell subassembly, the joint recess is along with the circular motion is done in the rotation of side subassembly, the elasticity projection is in the movement track of joint recess.

Furthermore, the clamping grooves comprise hemispherical grooves which are arranged on the same circumferential track at equal intervals, and after the side assembly rotates, the hemispherical grooves are clamped with the elastic convex columns to realize that the side assembly is fixedly locked with the spherical shell assembly.

In order to avoid damage to the clockwork mechanism caused by the fact that the side assembly rotates for multiple circles in the same direction, the force adjusting device further comprises a limiting lug, the limiting lug is arranged on the side assembly in a protruding mode, an arc-shaped groove is formed in the spherical shell assembly corresponding to the motion trail of the limiting lug, and the limiting lug extends into the arc-shaped groove to limit that the side assembly can only rotate for one circle.

The spiral spring mechanism comprises a disc-shaped spiral spring, a wire coil and a center shaft, wherein the center shaft can be rotatably arranged in the middle of the wire coil relative to the wire coil, two ends of the disc-shaped spiral spring are respectively connected with the wire coil and the center shaft, a connecting mechanism of the force adjusting device is fixedly connected with the center shaft, and the connecting mechanism changes the force of the disc-shaped spiral spring when the side assembly rotates relative to the spherical shell assembly.

Furthermore, the connecting mechanism is a convex column, a concave hole is formed in the convex column, a convex shaft connected with the concave hole is correspondingly arranged on the middle shaft, and the middle shaft synchronously rotates along with the side assembly when the side assembly rotates relative to the spherical shell assembly.

Furthermore, a buckle groove is formed in the middle shaft, a buckle hook is arranged at the inner end part of the disc-shaped spring and buckled in the buckle groove of the middle shaft, a buckle hole is arranged at the outer end part of the disc-shaped spring and buckled on the wire coil, the wire coil can be freely rotatably arranged in the spherical shell assembly, and the yo-yo rope is wound on the wire coil.

In order to ensure that the yo-yo can have good balance effect when playing, the force adjusting device is arranged on one of the side components, and the other side component is provided with a counterweight device, so that the weight of the yo-yo can be kept balanced.

The two side assemblies of the invention are respectively a first side assembly rotationally connected with the spherical shell assembly and a second side assembly fixedly connected with the spherical shell assembly, the force adjusting device is arranged on the first side assembly, the second side assembly is provided with a counting device, and the counting device executes a counting strategy when the clockwork mechanism rotates.

In order to realize counting after the yo-yo is thrown out once and retracted, the counting device comprises a transmission piece which is connected with the clockwork mechanism, and the clockwork mechanism drives the counting device to perform counting once in the process of throwing out and retracting the yo-yo.

Furthermore, the counting device comprises a counter, the transmission part comprises a gear and a rack meshed with the gear, the gear is connected with the clockwork mechanism and rotates along with the clockwork mechanism, the gear rotates to drive the rack to move, and the rack moves to trigger the counter to count.

Specifically, the counter is including display, PCB board, battery and touch switch, touch switch is located on the removal orbit of rack, display, PCB board, battery and touch switch electricity interconnect, the rack touches down under the gear drive switch on circuit during the touch switch, the display beats a digit.

In order to better realize the counting reset, the counting device further comprises a reset switch, the reset switch is exposed out of the outer wall of the second side assembly, and the counter is reset by pressing the reset switch.

The counting device of the invention may also be: the counting device comprises a rotation detection device and a counter which are electrically connected with each other, when the clockwork spring mechanism rotates for one circle relative to the spherical shell component, the rotation detection device generates at least one trigger signal and transmits the trigger signal to the counter to enable the counter to perform one-time counting.

The invention has the beneficial effects that: because the force adjusting device is added on the basis of the yo-yo with the side component, the ball shell component and the clockwork mechanism, the rotating force of the yo-yo is changed by adjusting the force adjusting device, so that players can select different force gears to throw out and rotate the yo-yo, thereby achieving different playing experiences and enabling the play of the yo-yo to be more interesting; and because the counting device is arranged in the side component at the other side, the yo-yo ball also has the counting function, such as counting the number of turns of the yo-yo ball, the time of each turn, and even the rotating speed.

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

Drawings

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

Fig. 2 is a schematic cross-sectional structure of the present invention.

Fig. 3 is a schematic view of the assembly and disassembly structure of the force adjusting device of the present invention.

FIG. 4 is a schematic view of a side assembly portion of the present invention in an assembled and disassembled configuration.

Fig. 5 is a perspective view of a side cover of the side assembly of the present invention.

FIG. 6 is a schematic view of the assembled and disassembled structure of the spherical shell assembly of the present invention.

Fig. 7 is a schematic view of another side assembly portion of the present invention in an assembled and disassembled configuration.

FIG. 8 is a schematic view of the detachable structure of the counting device of the present invention.

Detailed Description

The first embodiment is as follows:

as shown in figures 1 to 8, the yo-yo ball capable of adjusting force provided by the invention comprises two side assemblies 1, a ball shell assembly 2 connected between the two side assemblies 1 and a clockwork spring mechanism 4 rotatably arranged in the ball shell assembly 2. Specifically, as shown in fig. 6, the ball shell assembly 2 of this embodiment includes a shell 21 and an inner ring 22 sleeved between the two shells, where the shell 21 is composed of a second shell 212 and a first shell 211, the second shell 212 and the first shell 211 are butted into a whole by being clamped by a clamping foot and a clamping position, the inner ring 22 is clamped with the shell 21, so that the inner ring 22 rotates synchronously with the two shells 21, and the inner ring 22 is provided with a string hole 23 for the yo-yo 10 to pass through. The two side components 1 are respectively a first side component which can be rotatably connected with the first shell 211 and a second side component which is fixedly connected with the second shell 212, the ball shell component 2 is positioned in the middle part of the whole yo-yo, and the first side component and the second side component are respectively arranged on two side surfaces of the ball shell component 2.

This embodiment still includes dynamics adjusting device, this dynamics adjusting device sets up on first side subassembly, under the condition of spherical shell subassembly 2 is held to the hand, when this first side subassembly is rotated manually, can realize carrying out the dynamics to dynamics adjusting device to clockwork mechanism 4 and adjust, thereby change the strength of throwing away of this yo-yo, feel when playing yo-yo with the adjustment, and the difficult degree that gets rid of the ball success, thereby reach the experience of playing of difference, make this kind of yo-yo play more interesting.

As shown in fig. 3, the first side assembly of this embodiment includes a first side cover 11 and an outer ring 12, wherein the outer ring 12 is rotatably connected to the first housing 211, and the outer ring 12 is connected to the first housing 211 in two ways, one is that the outer ring 12 is designed as a soft ring body, and is directly rotatably sleeved with the first housing 211 through the soft ring body, as shown in fig. 2 and 3; alternatively, the outer ring 12 is designed as a hard ring and is locked with the first housing 211 by a connecting cover or a connecting ring, so that the outer ring 12 can be rotatably connected with respect to the first housing 211. The first side cover 11 is fastened to the outer ring 12 and rotates synchronously with the outer ring 12. It can be understood that the second side assembly includes a second side cover and a second outer ring, the second outer ring is fixedly connected to the second housing 212, and the connection of the second outer ring to the second housing 212 is also two, one is to design the second outer ring as a soft ring body, and directly and fixedly socket with the second housing 212 through the soft ring body, and the other is to design the second outer ring as a hard ring body, and the second outer ring can be fixedly connected with the second housing 212 through a connection cover or a connection ring and is locked with the second housing 212.

As shown in fig. 4, the power spring mechanism 4 of this embodiment includes a disc-shaped power spring 41, a wire coil 42, and a center shaft 43. The coil 42 of this embodiment is freely rotatably sleeved on the central shaft 43, the coil 42 comprises a first coil 421 and a second coil 422, and the spiral spring 41 is placed in a concave cavity of the coil 42. The middle shaft 43 of this embodiment extends into the concave cavity from one end of the coil plate 42, a catching groove 431 is arranged on the extending end of the middle shaft 43, the inner end of the disc-shaped spring 41 is provided with a catch 411 which is buckled in the catching groove 431 of the middle shaft 43, and the outer end of the disc-shaped spring 41 is provided with a catching hole 412 which is buckled on a connecting mechanism 423 arranged on the first coil 421; the first reel 421 is also provided with another connecting mechanism 423, the inner end of the yo-yo rope 10 is tied on the connecting mechanism 423 and then wound on the outer annular surface of the first reel 421; after the disc spring 41 is put in and both ends are connected, the first wire disc 421 and the second wire disc 422 are connected to each other and fixed into a whole by screw locking, and finally the wire disc 42 is freely rotatably mounted in the spherical shell component 2 through the central shaft 43. In order to prevent the wire coil 42 from shaking relative to the housing 21 during rotation, in this embodiment, a boss is disposed at an end of the first wire coil 421, a circular hole inserted into the boss is correspondingly disposed at the middle position of the left housing 212, and the wire coil 42 can rotate stably relative to the housing 21 by matching the boss with the circular hole.

As shown in fig. 5, the force adjusting device of this embodiment includes a locking mechanism 5 and a connecting mechanism 6, the connecting mechanism 6 is a convex pillar 62 convexly disposed at the middle position of the inner side surface of the first side cover 11, a concave hole 61 is disposed in the convex pillar 62, the concave hole 61 is a "convex" shaped hole, one end of the corresponding middle shaft 43 of this embodiment, which does not extend into the concave cavity of the wire coil 42, is designed to be a "convex" shaped convex shaft 432, the middle shaft 43 rotates along with the rotation when the side assembly 1 rotates by connecting the concave hole 61 with the convex shaft 432, and the first side assembly can be locked and fixed by the locking mechanism 5 after rotating relative to the first housing 211. The locking mechanism 5 of the embodiment comprises a clamping groove 51 and an elastic convex column 52, the clamping groove 51 of the embodiment is arranged on the first side cover 11, the clamping groove 51 comprises a plurality of hemispherical grooves 511 which are arranged on the same circumferential track at equal intervals, and a guide groove 512 is arranged between two adjacent hemispherical grooves 511; the elastic convex column 52 of the embodiment is arranged on the first housing 211, the elastic convex column 52 comprises four balls 521 and springs 522 which are located on the same circumferential track, a column hole 210 is arranged on the first housing 211 for installing the springs 522 and the balls 521, the four balls 521 are always located in the corresponding hemispherical grooves 511, when a rotating force is generated, the balls 521 are extruded to enable the springs 521 to contract so as to enable the first side cover 11 to rotate, and after the rotating, the balls 521 are clamped with the hemispherical grooves 511 again, so that the first side assembly and the first housing 211 are locked and fixed. In addition, in order to avoid the damage of the clockwork 4 caused by the rotation of the first side cover 11 for a plurality of turns in the same direction, the force adjusting device of the embodiment further comprises a limiting lug 71, similarly, the limiting lug 71 is convexly arranged on the first side cover 11, a circular arc-shaped groove 72 is correspondingly arranged on the first shell 211 corresponding to the motion track of the limiting lug 17, and the limiting lug 71 extends into the circular arc-shaped groove 72 to limit the side assembly 1 to rotate for only one turn.

When the throwing force of the yo-yo ball needs to be adjusted, a player grasps the ball shell assembly 2 with one hand, the other hand rotates the outer ring 12 of the first side assembly, so as to drive the first side cover 11 to rotate, the convex column 62 rotates along with the rotation, so as to drive the middle shaft 43 to rotate, the middle shaft 43 drives the inner end part of the disc-shaped spring 41 to rotate relative to the outer end part of the disc-shaped spring 41, so that the disc-shaped spring 41 is tightened or loosened, and the elastic deformation force of the disc-shaped spring 41 is changed. When the yo-yo is thrown out, the disc-shaped spring 41 rotates under the driving of the yo-yo rope 10 to store energy, and after the yo-yo is completely thrown out, the disc-shaped spring 41 releases energy to drive the yo-yo to automatically recover along the yo-yo rope 10. Therefore, the player does not need to carry out manual rope winding after practicing at every turn, and when the continuity of playing is ensured, the requirements of different players can be met, namely, the player can select different force gears to throw the yo-yo out for rotation, so that different playing experiences are achieved, and the yo-yo playing is more interesting.

As shown in fig. 7, in this embodiment, in addition to the force adjusting device installed on the first side assembly, a counting device is installed on the second side assembly, and a counting strategy can be executed when the yo-yo rotates through the counting device, so that the number of turns of the clockwork mechanism, the time of each turn, and even the rotating speed can be known. The counting device of this embodiment includes a transmission member 8 and a counter 9, the transmission member 8 is connected to a second coil 422 of the clockwork mechanism 4, the transmission member 8 of this embodiment includes a gear 81 and a rack 82, a pinion 424 is correspondingly protruded on the second coil 422 of this embodiment, and the clockwork mechanism 4 drives the transmission member 8 to count the counter 9 by meshing the pinion 424 with the gear 81. When the yo-yo ball is thrown out, the wire coil 42 of the clockwork mechanism 4 rotates along with the elongation of the yo-yo rope 10, and simultaneously, the outer end part of the disc-shaped clockwork 41 rotates relative to the inner end part thereof, so that elastic deformation occurs, and the rack 82 is driven to trigger the counter 9 to count; the throwing force of the yo-yo rope 10 is gradually weakened along with the extension of the yo-yo rope, when the throwing force is smaller than the elastic deformation force of the disc-shaped spring 41, the disc-shaped spring 41 is elastically reset, the spring mechanism 4 is reversely rotated, the rack 82 is driven to return, and the counter 9 finishes counting once. When the yo-yo is thrown out again, the counter 9 counts again.

As shown in fig. 8, the counter 9 of the embodiment includes a display 91, a PCB 92, a battery 93 and a touch switch 94, the battery 93 and the touch switch 94 are both mounted on the PCB 92, and the touch switch 94 is located at the end of the moving track of the rack 82, so that only when the throwing-out force is large enough, the gear 81 drives the rack to move to the final position, and the rack 82 triggers the touch switch 94. Therefore, combine together dynamics adjusting device and this counting assembly, can form new playing method: the player can start playing from the state that the elastic deformation force of the disc-shaped spring 41 is minimum, the force required for throwing the yo-yo ball to successfully count is minimum, so that successful counting can be basically realized, and the yo-yo ball can be automatically recovered to the hands of the player after successful counting; then, the first side cover 11 is rotated step by step, the elastic deformation force of the disc-shaped spring 41 is increased by one step when the first side cover 11 is rotated by one step (the distance of rotating one hemispherical groove 511 of the first side cover 11 is one step), so that the force for successfully throwing the yo-yo ball is correspondingly increased, and the success times of throwing the yo-yo ball among the players can be compared through playing, and the competitive game is formed. The display 91, the PCB 92, the battery 93 and the touch switch 94 are electrically connected to each other, the rack 82 of this embodiment is electrically connected to the touch switch 94 by the gear 81, the display surface of the display 91 is exposed on the second side cover 13, and the display 91 is jumped by one number, i.e., counted, after the rack 82 is separated from the touch switch 94. In addition, the PCB 92 of this embodiment may further integrate a bluetooth function, through which the counting status can be directly displayed on the personal portable electronic device for bluetooth communication. In addition, in order to better realize the counting reset, the counting device further comprises a reset switch 95, the reset switch 95 is also exposed on the outer wall of the second side cover 13, and the reset to zero of the counter 9 can be realized by pressing the reset switch 95.

Example two:

the structure of the first side assembly and the structure of the internal parts of the yo-yo ball of this embodiment are the same as those of the first embodiment, and the features that are not explained in this embodiment are explained in embodiment 1, and are not described again here. The difference between the embodiment and the first embodiment is that a counterweight device is arranged in the second side assembly of the yo-yo, the counterweight device is a counterweight ring, the counterweight ring is arranged between the second side cover 13 and the outer ring 12 of the second side assembly, and the counterweight device is used for realizing the balance of the weights of the second side assembly and the first side assembly of the yo-yo, so that the rotation balance of the yo-yo is better and the rotation is more durable.

Example three:

the structure of the first side assembly and the structure of the internal parts of the yo-yo ball of this embodiment are the same as those of the first embodiment, and the features that are not explained in this embodiment are explained in embodiment 1, and are not described again here. The difference between the embodiment and the first embodiment is that the counting device is arranged in the second side component of the yo-yo ball, the counting device is different from the counting device in the first embodiment, the counting device in the embodiment comprises a rotation detection device and a counter 9 which are electrically connected with each other, the rotation detection device comprises an induction switch and a trigger piece, wherein the plectrum switch is selected as the induction switch in the embodiment, the plectrum switch is arranged on the ball shell component 2, the lug is used as the trigger piece for triggering the plectrum switch, and the lug is arranged on the clockwork mechanism 4. When the clockwork 4 rotates one round relative to the ball shell component 2, the shifting piece switch is shifted once by the convex block, so that a trigger signal is generated. Thus, each time the spring mechanism 4 of the yo-yo rotates one turn, the plectrum switch can generate a trigger signal, and the trigger signal is transmitted to the counter 9 to enable the counter 9 to perform one-time counting, so that the total number of turns of the spring mechanism 4 can be seen from the counter 9 after the yo-yo is thrown once until the yo-yo stops, and even the rotating speed of the spring mechanism 4 can be obtained.

While the invention has been described with reference to specific embodiments, this description is not meant to be construed in a limiting sense. Other variations of the disclosed embodiments, as would be appreciated by those skilled in the art with reference to the description of the invention, are contemplated as falling within the scope of the appended claims.

Claims (15)

1. The utility model provides a yo-yo of ability regulation dynamics, includes two side subassemblies (1), connects spherical shell subassembly (2) between two side subassemblies (1) and rotationally installs clockwork spring mechanism (4) in spherical shell subassembly (2), its characterized in that: also comprises a force adjusting device, at least one side component (1) rotates relative to the spherical shell component (2), the force adjusting device is arranged on the side component (1) which can rotate relative to the spherical shell component (2), the force adjusting device is matched with the clockwork spring mechanism (4), wherein,

the force adjusting device comprises a locking mechanism (5) and a connecting mechanism (6), the locking mechanism (5) is arranged between the side component (1) and the spherical shell component (2), the connecting mechanism (6) is arranged on the side component (1) and is connected with the clockwork spring mechanism (4),

when the side assembly (1) rotates relative to the spherical shell assembly (2), the connecting mechanism (6) drives the clockwork spring mechanism (4) to tighten or loosen;

after the side component (1) rotates relative to the spherical shell component (2), the locking mechanism (5) is locked and fixed with the side component (1) to realize that the connecting mechanism (6) changes the force of the clockwork spring mechanism (4).

2. A force-adjustable yo-yo according to claim 1, wherein: locking mechanical system (5) are including joint recess (51) and elasticity projection (52), joint recess (51) set up on side subassembly (1), elasticity projection (52) set up on spherical shell subassembly (2), joint recess (51) are followed circular motion is done in the rotation of side subassembly (1), elasticity projection (52) are in the movement track of joint recess (51).

3. A force-adjustable yo-yo as claimed in claim 2, wherein: the clamping groove (51) comprises hemispherical grooves (511) which are arranged on the same circumferential track at equal intervals, and after the side component (1) rotates, the hemispherical grooves (511) are clamped with the elastic convex columns (52) to realize that the side component (1) is fixedly locked with the spherical shell component (2).

4. A force-adjustable yo-yo according to claim 1, wherein: the force adjusting device further comprises a limiting lug (71), the limiting lug (71) is arranged on the side component (1) in a protruding mode, an arc-shaped groove (72) is formed in the spherical shell component (2) corresponding to the motion track of the limiting lug (71), and the limiting lug (71) extends into the arc-shaped groove (72) to limit that the side component (1) can only rotate for one circle.

5. A force-adjustable yo-yo according to claim 1, wherein: the spiral spring mechanism (4) comprises a disc-shaped spiral spring (41), a wire coil (42) and a center shaft (43), the center shaft (43) can be rotatably installed in the middle of the wire coil (42) relative to the wire coil (42), two ends of the disc-shaped spiral spring (41) are respectively connected with the wire coil (42) and the center shaft (43), a connecting mechanism (6) of the force adjusting device is fixedly connected with the center shaft (43), and the connecting mechanism (6) changes the force of the disc-shaped spiral spring (41) when the side assembly (1) rotates relative to the spherical shell assembly (2).

6. A force-adjustable yo-yo according to claim 5, wherein: coupling mechanism (6) are projection (62), be provided with shrinkage pool (61) in projection (62), axis (43) correspond be equipped with protruding axle (432) that shrinkage pool (61) are connected, side subassembly (1) is relative when spherical shell subassembly (2) rotates axis (43) rotate along with side subassembly (1) synchronous.

7. A force-adjustable yo-yo according to claim 5, wherein: the yo-yo spring is characterized in that a catching groove (431) is formed in the middle shaft (43), a catch (411) is arranged at the inner end of the disc-shaped spring (41) and is buckled in the catching groove (431) of the middle shaft (43), a catching hole (412) is formed in the outer end of the disc-shaped spring (41) and is buckled on the wire coil (42), the wire coil (42) can be freely rotatably installed in the ball shell assembly (2), and the yo-yo rope (10) is wound on the wire coil (42).

8. A force-adjustable yo-yo according to claim 1, wherein: the ball shell assembly (2) comprises two butted shells (21) and an inner ring (22) sleeved between the two butted shells (21), wherein a line hole (23) for the yo-yo rope (10) to pass through is formed in the inner ring (22).

9. A force-adjustable yo-yo as claimed in any one of claims 1 to 8, wherein: the force adjusting device is arranged on one of the side assemblies (1), and a counterweight device is arranged on the other side assembly (1).

10. A force-adjustable yo-yo as claimed in any one of claims 1 to 8, wherein: two side subassembly (1) are respectively for rotate the first side subassembly of being connected and with ball shell subassembly (2) second side subassembly with ball shell subassembly (2) fixed connection, dynamics adjusting device sets up on first side subassembly, be equipped with counting assembly on the second side subassembly, counting assembly is in execute the count strategy when clockwork spring mechanism (4) rotate.

11. A force-adjustable yo-yo according to claim 10, wherein: the counting device comprises a transmission piece (8), the transmission piece (8) is connected with the clockwork mechanism (4), and the clockwork mechanism (4) drives the counting device to perform one-time counting in the process of throwing out and withdrawing the yo-yo ball.

12. A force-adjustable yo-yo as claimed in claim 11, wherein: the counting device comprises a counter (9), the transmission piece (8) comprises a gear (81) and a rack (82) meshed with the gear (81), the gear (81) is connected with the clockwork spring mechanism (4) and rotates along with the clockwork spring mechanism (4), the gear (81) rotates to drive the rack (82) to move, and the rack (82) moves to trigger the counter (9) to count.

13. A force-adjustable yo-yo according to claim 12, wherein: the counter (9) comprises a display (91), a PCB (92), a battery (93) and a touch switch (94), wherein the touch switch (94) is located on a moving track of the rack (82), the display (91), the PCB (92), the battery (93) and the touch switch (94) are electrically connected with each other, the rack (82) is driven by a gear (81) to touch and press the touch switch (94) to switch on a circuit, and the display (91) beats a number.

14. A force-adjustable yo-yo according to claim 12, wherein: the counting device further comprises a reset switch (95), the reset switch (95) is exposed out of the outer wall of the second side assembly, and the counter (9) is reset by pressing the reset switch (95).

15. A force-adjustable yo-yo according to claim 10, wherein: the counting device comprises a rotation detection device and a counter (9) which are electrically connected with each other, when the clockwork mechanism (4) rotates for one circle relative to the spherical shell component (2), the rotation detection device at least generates a trigger signal, and the trigger signal is transmitted to the counter (9) to enable the counter (9) to execute one-time counting.

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