CN207708510U - Yo-yo - Google Patents

Abstract

A kind of yo-yo, including central rotating shaft and two rotary bodies, rotary body include inner rotary table；Rotary body includes outer cover sheet, and outer cover sheet medial center is installed with time axle sleeve, and inner rotary table medial center is installed with protruding shaft, and protruding shaft end is arranged with time bearing, and secondary axle sleeve is socketed in time bearing；Outer cover sheet and inner rotary table lid close to form the cavity that amplifies, and outer cover sheet side is equipped with venthole；Outer cover sheet edge is socketed with elastic rubber ring, and arc convex portion is installed on the outside of elastic rubber ring；Central rotating shaft is arranged with power coil, and power coil coiling plane is parallel with central rotating shaft, and power coil outer sheath is equipped with hollow windings column, and wrapping post both ends and inner rotary table are affixed, and anisotropic opposite arc-shaped permanent magnet is installed on the inside of wrapping post.Wrapping post quickly rotates, and power coil cutting magnetic line output voltage supplies LED；It will produce air-flow when venthole vertical motion, airflow noise seems loud through the cavity that amplifies；Pinching outer cover sheet can more be performed；Arc convex portion is worked as a buffer when hitting.

Description

Yo-yo

Technical field

The utility model is related to toy technique field, espespecially a kind of yo-yo.

Background technology

Traditional yo-yo is generally connected and composed by central rotating shaft, bearing and turntable, needs firmly to throw away when playing Yo-yo, yo-yo are rapidly rotated in one end of tether, that is, so-called sleep, player can yo-yo sleep this A period carries out stunts, attempts a variety of playing methods.But since traditional structure of top is fairly simple, playing method is single, no Conducive to the trial of the more playing methods of progress, and performance effect is also not noticeable enough.

Although occurring a kind of yo-yo convenient for shining in the energy of night use on the market, this yo-yo is provided with LED has gorgeous illuminating effect.But in order to support LED to shine, this yo-yo or battery powered is needed, and replaced Battery is more inconvenient；Or generated electricity using vibration generating device, and its generating efficiency is relatively low, can not support that more LED shine, performance Effect is more limited to.Therefore itself and it is imperfect, but also lack the sensory effects of the sense of hearing, the feeling of spectators can not be transferred completely. In addition, yo-yo occasional when making various actions accidentally bumps against other hard objects such as ground, yo-yo is easy to fall apart after shock, Or even damage of splitting.

Invention content

To solve the above problems, the utility model provides, a kind of playing method is various, and sensory effects are notable, and safety durable slips Ball.

To achieve the above object, the technical solution adopted in the utility model is：

A kind of yo-yo, including central rotating shaft and two rotary bodies, two rotary bodies are symmetricly set on the two of central rotating shaft End is connected with rope among central rotating shaft, and rotary body includes inner rotary table, and the center of inner rotary table is recessed inwardly relative to edge Enter, the central rotating shaft both ends are arranged with base bearing, and inner rotary table outer surface center is equipped with collar bush, and inner rotary table passes through collar bush set It is connected on base bearing and is connect with central rotating shaft；

The rotary body further includes outer cover sheet, and outer cover sheet medial center is installed with time axle sleeve, the inner rotary table medial center It is installed with protruding shaft, protruding shaft end is arranged with time bearing, and the outer cover sheet is socketed on time bearing and inner rotary table lid by secondary axle sleeve Close connection；Outer cover sheet and inner rotary table lid close to form the hollow cavity that amplifies, and the side of the outer cover sheet is equipped with venthole, venthole Perpendicular to central rotating shaft；The edge of the outer cover sheet is also socketed with elastic rubber ring, and arc is installed on the outside of the elastic rubber ring Shape lug boss；

The central rotating shaft is arranged with power coil, and each circle coiling plane of power coil is parallel with central rotating shaft, and The output end of power coil is connected with LED control chips, and the output end of LED control chips is connected with LED, outside the power coil Side is also arranged with hollow wrapping post, and the wrapping post both ends are fixedly connected with two inner rotary tables respectively, opposite on the inside of wrapping post It is installed with anisotropic opposite arc-shaped permanent magnet.

Specifically, the LED is fixed on central rotating shaft.

Specifically, it is provided with clump weight in the power coil, the total weight of the clump weight and power coil is more than institute State the total weight of wrapping post and rotary body.

Specifically, the clump weight deviates the axis setting of power coil.

Specifically, the arc convex portion is set as no less than three, and is evenly distributed on elastic rubber ring.

Specifically, the base bearing is arranged with primary elastomeric circle in the corresponding position of collar bush.

Specifically, the protruding shaft is arranged with time rubber ring in the corresponding position of secondary bearing.

Specifically, the venthole is uniformly distributed along the circumferential direction of inner rotary table.

The beneficial effects of the utility model are：When yo-yo rotates, wrapping post and rotary body quickly rotate, in wrapping post Arc-shaped permanent magnet also quickly rotate, larger speed discrepancy will be generated between power coil and wrapping post, power coil is quickly cut The magnetic line of force is cut, output voltage supply LED control chips light LED, since the generating efficiency of pure cutting magnetic line is not much larger than still Ripe vibration generating device, the yo-yo can voluntarily be sent out with carrying out relatively high power in use without adding battery Electricity, to support the colorful of more LED to illuminate；When yo-yo rotates, venthole will produce in vertical motion process across venthole Air-flow, because the airflow noise of corresponding " whirling ", airflow noise the amplifying by the cavity that amplifies of " whirling " can be generated along with action Effect can seem louder, more entertaining；The outer cover sheet that player can also pinch yo-yo carries out more fancy performance；And Arc convex portion has elasticity, can play cushioning effect when hitting, prevent yo-yo spallation.

Description of the drawings

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the utility model front section view.

Drawing reference numeral explanation：1. central rotating shaft；2. rotary body；3. elastic rubber ring；

11. power coil；12.LED；13. wrapping post；14. arc-shaped permanent magnet；

21. inner rotary table；22. collar bush；23. base bearing；24. protruding shaft；25. outer cover sheet；26. time bearing；27. time axle sleeve； 28. venthole；29. amplify cavity；211. primary elastomeric circles；251. rubber rings.

Specific implementation mode

Please referring to Fig.1-2, the utility model is about a kind of yo-yo, including central rotating shaft 1 and two central rotating shafts 1, and two A rotary body 2 is symmetricly set on the both ends of central rotating shaft 1, and rope is connected among central rotating shaft 1, and rotary body 2 includes interior turns The center of disk 21, inner rotary table 21 is recessed inwardly relative to edge, and 1 both ends of the central rotating shaft are arranged with base bearing 23, interior turn 21 outer surface center of disk is equipped with collar bush 22, and inner rotary table 21 is socketed in by collar bush 22 on base bearing 23 to be connected with central rotating shaft 1 It connects；

The rotary body 2 further includes outer cover sheet 25, and 25 medial center of outer cover sheet is installed with time axle sleeve 27, the inner rotary table 21 Medial center is installed with protruding shaft 24, and 24 end of protruding shaft is arranged with time bearing 26, and the outer cover sheet 25 is socketed in by secondary axle sleeve 27 It is covered with inner rotary table 21 on secondary bearing 26 and closes connection；Outer cover sheet 25 and the lid of inner rotary table 21 close and form the hollow cavity 29 that amplifies, described The side of outer cover sheet 25 is equipped with venthole 28, and venthole 28 is perpendicular to central rotating shaft 1；The edge of the outer cover sheet 25 is also socketed with Elastic rubber ring 3,3 outside of the elastic rubber ring are installed with arc convex portion；

The central rotating shaft 1 is arranged with power coil 11, and each circle coiling plane of power coil 11 is flat with central rotating shaft 1 Row, and the output end of power coil 11 is connected with LED12 control chips, the output end of LED12 control chips is connected with LED12, 11 outside of the power coil is also arranged with hollow wrapping post 13, and 13 both ends of the wrapping post are solid with two inner rotary tables 21 respectively Fixed connection, 13 inside of wrapping post is opposite to be installed with anisotropic opposite arc-shaped permanent magnet 14.

The yo-yo makes wrapping post 13 and rotary body 2 quickly rotate when in use, by pull rope, one in wrapping post 13 Anisotropic opposite arc-shaped permanent magnet 14 also will quickly be rotated, larger rotating speed will be generated between power coil 11 and wrapping post 13 Difference, power coil 11 is by the fly-cutting magnetic line of force, and output voltage supply LED12 control chips light LED12, due to pure cutting magnetic The generating efficiency of the line of force is much larger than still immature vibration generating device, which can use without adding battery Relatively high power is carried out in journey self-generating, to support the colorful of more LED12 to illuminate；

When yo-yo rotates, always there is venthole 28 upward, also have venthole 28 downward, venthole 28 is in vertical motion process The air-flow across venthole 28 is will produce, in addition the quick rotation of yo-yo, because that can will be generated corresponding " whirling " along with action Airflow noise, the airflow noise of " whirling " can seem louder by the effect of amplifying for the cavity 29 that amplifies, and player actions are got over Consummation, speed are faster, the more apparent more entertaining of sound；

By being arranged independently of the protruding shaft 24 except base bearing 23 on inner rotary table 21 so that outer cover sheet 25 can be relative to Inner rotary table 21 is rotated alone, i.e., player can pinch rotation of the outer cover sheet 25 of yo-yo without influencing inner rotary table 21, increase More playing methods are added, have been conducive to the performance of more fancy skills, increase playability；

Arc convex portion on elastic rubber ring has elasticity, can be played when yo-yo is hit slow well Punching acts on, and can effectively prevent spallation after yo-yo is hit.

In the present embodiment, the LED12 is fixed on central rotating shaft 1.

LED12 is fixed on central rotating shaft 1, keeps LED12 and shaft, power coil 11 opposite when yo-yo rotates Static, LED12 is not susceptible to damage.

In the present embodiment, clump weight, the gross weight of the clump weight and power coil 11 are provided in the power coil 11 Total weight of the amount more than the wrapping post 13 and rotary body 2.

The total weight of the clump weight and power coil 11 is more than the total weight of the wrapping post 13 and rotary body 2, to Make, to make wrapping post 13 and inner rotary table 21 when rotated, due to inertia difference, wrapping post 13, inner rotary table 21 and power coil 11 generate larger speed discrepancy, improve the speed of 11 cutting magnetic line of power coil, power generation speed is faster.

In the present embodiment, the clump weight deviates the axis setting of power coil 11.

The clump weight deviates the axis setting of power coil 11, to make power coil 11 under the effect of gravity, can grow Time stablizes the position for keeping clump weight downward, and power coil 11 is further made to be not easy to rotate.

In the present embodiment, the arc convex portion is set as no less than three, and is evenly distributed on elastic rubber ring 3.

It three or more arc convex portions, can be to each side of yo-yo when hitting since elastic force acts on Play cushioning effect very well.

In the present embodiment, the base bearing 23 is arranged with primary elastomeric circle 211 in the corresponding position of collar bush 22.

Primary elastomeric circle 211 increases the relative friction between base bearing 23 and collar bush 22, main when inner rotary table 21 being made to rotate Coordinate between bearing 23 and collar bush 22 and more stablizes.

In the present embodiment, the protruding shaft 24 is arranged with time rubber ring 251 in the corresponding position of secondary bearing 26.

Secondary rubber ring 251 increases the relative friction between protruding shaft 24 and secondary axle sleeve 27, makes outer cover sheet 25 with respect to inner rotary table When 21 rotation, coordinates between protruding shaft 24 and secondary axle sleeve 27 and more stablize.

In the present embodiment, the venthole 28 is uniformly distributed along the circumferential direction of inner rotary table 21.

Along the equally distributed venthole 28 of the circumferential direction of inner rotary table 21, always there is venthole 28 upward when yo-yo being made to rotate, Always there is venthole 28 downward, venthole 28 will produce the air-flow across venthole 28 in vertical motion process, generate corresponding gas Stream sound.

Embodiment of above is only that preferred embodiments of the present invention are described, not to the utility model Range be defined, under the premise of not departing from the spirit of the design of the utility model, this field ordinary engineering and technical personnel to this The various modifications and improvement that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine It protects in range.

Claims (8)

1. a kind of yo-yo, including central rotating shaft and two rotary bodies, two rotary bodies are symmetricly set on the both ends of central rotating shaft Portion is connected with rope among central rotating shaft, and rotary body includes inner rotary table, and the center of inner rotary table is recessed inwardly relative to edge, It is characterized in that：The central rotating shaft both ends are arranged with base bearing, and inner rotary table outer surface center is equipped with collar bush, and inner rotary table passes through Collar bush is socketed on base bearing and is connect with central rotating shaft；

The rotary body further includes outer cover sheet, and outer cover sheet medial center is installed with time axle sleeve, and the inner rotary table medial center is fixed There are protruding shaft, protruding shaft end to be arranged with time bearing, the outer cover sheet, which is socketed in close with inner rotary table lid on time bearing by secondary axle sleeve, to be connected It connects；Outer cover sheet and inner rotary table lid close to form the hollow cavity that amplifies, and the side of the outer cover sheet is equipped with venthole, and venthole is vertical In central rotating shaft；The edge of the outer cover sheet is also socketed with elastic rubber ring, and it is convex to be installed with arc on the outside of the elastic rubber ring The portion of rising；

The central rotating shaft is arranged with power coil, and each circle coiling plane of power coil is parallel with central rotating shaft, and generates electricity The output end of coil is connected with LED control chips, and the output end of LED control chips is connected with LED, is gone back on the outside of the power coil It is arranged with hollow wrapping post, the wrapping post both ends are fixedly connected with two inner rotary tables respectively, relatively fixed on the inside of wrapping post There is anisotropic opposite arc-shaped permanent magnet.

2. a kind of yo-yo according to claim 1, it is characterised in that：The LED is fixed on central rotating shaft.

3. a kind of yo-yo according to claim 1, it is characterised in that：Clump weight, institute are provided in the power coil The total weight for stating clump weight and power coil is more than the total weight of the wrapping post and rotary body.

4. a kind of yo-yo according to claim 3, it is characterised in that：The axis that the clump weight deviates power coil is set It sets.

5. a kind of yo-yo according to claim 1, it is characterised in that：The arc convex portion is set as no less than three It is a, and be evenly distributed on elastic rubber ring.

6. a kind of yo-yo according to claim 1, it is characterised in that：The base bearing is covered in the corresponding position of collar bush Equipped with primary elastomeric circle.

7. a kind of yo-yo according to claim 1, it is characterised in that：The protruding shaft is arranged in the corresponding position of secondary bearing There is secondary rubber ring.

8. a kind of yo-yo according to claim 1, it is characterised in that：The venthole uniformly divides along the circumferential of inner rotary table Cloth.