Yo-yo ball

Abstract

The utility model relates to a yo-yo ball which comprises a rotating body and a decorative function part, and the decorative function part is located on the outer side of the rotating body and at least used for decorating the rotating body. The rotating body is provided with a locking structure, the locking structure comprises a locking piece, and the locking piece is provided with a locking part used for being detachably matched with the decorative function piece. The locking piece can move relative to the rotating body, and the locking part can be driven by the locking piece to lock and unlock the decorative function piece, so that when one of the rotating body and the decorative function piece is damaged, only the damaged one of the rotating body and the decorative function piece needs to be replaced, and the maintenance and use cost is saved.

Description

Technical Field

[0001] The present application relates to the technical field of toys, and in particular to a yo-yo. Background Art

[0002] Toys are entertainment tools for children in their growth process, and they can bring fun to children's lives. Take the yo-yo as an example. The yo-yos currently on the market basically include a connecting shaft, a bearing and two balls. The connecting shaft is connected between the two balls, and the bearing sleeve is arranged on the outside of the connecting shaft. The bearing is also connected to a yo-yo rope, and the yo-yo rope can be arranged around the outer periphery of the bearing. When playing, by throwing the yo-yo, the ball can be rotated at the end of the yo-yo rope.

[0003] In order to improve the aesthetic appearance of the yo-yo, the yo-yo also includes a decorative block with a specific shape arranged on the outside of the sphere. The decorative block is usually formed integrally with the yo-yo sphere during the manufacturing process of the yo-yo sphere. In this way, when the decorative block is damaged, the user can only purchase a new decorative block, resulting in higher user costs. Utility Model Content

[0004] In order to solve the above technical problems or at least partially solve the above technical problems, the present application provides a yo-yo.

[0005] The present application provides a yo-yo, comprising a rotating body and a decorative functional part, wherein the decorative functional part is located outside the rotating body and is at least used to decorate the rotating body;

[0006] The rotating body is provided with a locking structure, the locking structure comprising a locking piece, the locking piece having a locking portion for detachably cooperating with the decorative functional piece;

[0007] The locking member can move relative to the rotating body, and the locking portion can lock and unlock the decorative functional part under the drive of the locking member.

[0008] In some embodiments, the locking member is slidably connected to the rotating body, and the locking member has a pressing surface for pressing, and the locking member can be away from the decorative functional member when the pressing surface is pressed;

[0009] The locking structure further comprises an elastic member arranged between the locking member and the rotating body, and when the pressing force on the pressing surface disappears, the locking member can be reset under the action of the elastic member.

[0010] In some embodiments, a guide member is further provided on the locking member, and the guide member is used to guide the elastic member.

[0011] In some embodiments, the locking members are in an even number, and the even number of the locking members are grouped together in pairs. The two locking members in the group are arranged opposite to each other on the rotating body, and the two locking members in the group are connected by an elastic member; each of the locking members has the locking portion.

[0012] In some embodiments, the decorative functional part has a matching cavity, and an opening is formed on the cavity wall of the matching cavity;

[0013] The locking portion can cooperate with the matching cavity through the opening to achieve locking of the decorative functional component.

[0014] In some embodiments, the rotating body has a matching surface disposed opposite to the decorative functional component on a side facing the decorative functional component;

[0015] The cavity wall of the decorative functional component facing the rotating body can be sandwiched between the matching surface and the locking portion when it is in relative abutment with the locking portion to limit the decorative functional component from rotating relative to the rotating body around the rotation axis of the rotating body.

[0016] In some embodiments, the rotating body has a protrusion on one side facing the decorative functional part, and the protrusion can cooperate with the opening;

[0017] The decorative functional part can be sleeved on the outer periphery of the protruding portion when at least a portion of the protruding portion extends into the matching cavity; and an avoidance hole is provided on the protruding portion for the locking portion to extend into.

[0018] In some embodiments, a side of the rotating body facing the decorative functional part has a concave cavity, and the concave cavity is recessed toward the center position of the rotating body;

[0019] At least part of the decorative functional component is located in the concave cavity, and the shape of the inner cavity wall of the concave cavity is adapted to the outer contour shape of the part of the decorative functional component located in the concave cavity, so as to confine the decorative functional component in the concave cavity;

[0020] The protrusion is located in the concave cavity.

[0021] In some embodiments, the rotating body has a receiving cavity; part of the locking structure is located in the receiving cavity, and a through hole is provided on the cavity wall of the receiving cavity for exposing the locking member;

[0022] Part of the cavity wall of the accommodating cavity protrudes toward the direction close to the decorative functional part to form a protrusion, and the locking piece is provided with a matching protrusion, and the matching protrusion can extend into the protrusion to limit the position of the locking piece along the radial direction of the rotating body.

[0023] In some embodiments, a guide structure for guiding the movement of the locking member is further provided between the rotating body and the locking member;

[0024] And / or, there are two rotating bodies, which are arranged opposite to each other and connected by a connecting shaft; there are at least two decorative functional parts, and each rotating body can correspond to at least one decorative functional part; and each rotating body is provided with a locking structure.

[0025] Compared with the prior art, the technical solution provided by the embodiments of the present application has the following advantages:

[0026] The yo-yo provided by the present application is provided with a locking structure on the rotating body, so that the locking structure includes a locking member, and the locking member has a locking part for detachably cooperating with the decorative functional part; the locking member is movable relative to the rotating body, and the locking member can lock and unlock the decorative functional part under the drive of the locking member. In this way, the detachable cooperation between the rotating body and the decorative functional part can be achieved through the cooperation of the locking member and the decorative functional part, so that when one of the rotating body and the decorative functional part is damaged, only the damaged part needs to be replaced, which avoids the scrapping of the rotating body and the decorative functional part as a whole to a certain extent, and saves the cost of maintenance and use. In addition, it is also convenient for users to replace different kinds or types of decorative functional parts to decorate the rotating body differently or make the yo-yo have different functions, further improving the fun and entertainment of the yo-yo, and meeting the different entertainment needs of users. At the same time, the detachable connection between the rotating body and the decorative functional part is realized by the locking member, so that the two are easy to install and remove without the intervention of third-party tools, thereby improving the convenience of installing and removing the decorative functional part, which is conducive to improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0028] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0029] Figure 1 This is a schematic diagram of the structure of the yo-yo described in the embodiment of the present application;

[0030] Figure 2 This is a schematic diagram of the structure of the yo-yo described in the embodiment of the present application after removing the decorative functional parts;

[0031] Figure 3 This is a schematic diagram of the structure of the ball cover in the rotating body described in the embodiment of the present application;

[0032] Figure 4 This is a schematic diagram of the structure of the locking structure described in an embodiment of the present application;

[0033] Figure 5 This is a schematic diagram of the structure of the locking structure and the ball cover according to the embodiment of the present application when they cooperate;

[0034] Figure 6 for Figure 5 A schematic diagram of the structure looking down from the pressing surface of the locking structure;

[0035] Figure 7 for Figure 6 Sectional view along AA direction;

[0036] Figure 8 This is a schematic diagram of the structure of the decorative functional component described in an embodiment of the present application.

[0037] Among them, 1. rotating body; 10. accommodating cavity; 101. through hole; 11. main body; 12. ball cover; 121. matching surface; 122. protrusion; 1221. avoidance hole; 123. concave cavity; 2. decorative functional part; 21. matching cavity; 211. opening; 3. locking structure; 31. locking piece; 311. locking part; 312. pressing surface; 313. guide piece; 314. matching protrusion; 32. elastic piece; 4. guide structure. DETAILED DESCRIPTION

[0038] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the scheme of the present application will be further described below. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0039] In the following description, many specific details are set forth to facilitate a full understanding of the present application, but the present application may also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only part of the embodiments of the present application, rather than all of the embodiments.

[0040] Reference Figures 1 to 8 As shown, this embodiment provides a yo-yo, which specifically includes a rotating body 1 and a decorative functional part 2, wherein the decorative functional part 2 is located outside the rotating body 1 and is at least used to decorate the rotating body 1.

[0041] Among them, the decorative functional part 2 can have functions such as sound generation and light emission to improve the fun and entertainment of the entire yo-yo, or the decorative functional part 2 can be made into a structure of a specific shape to improve the appearance beauty and fun of the entire yo-yo, thereby enhancing the user's interest in playing.

[0042] The rotating body 1 is provided with a locking structure 3 , which includes a locking member 31 . The locking member 31 has a locking portion 311 for detachably cooperating with the decorative functional member 2 .

[0043] The locking member 31 can move relative to the rotating body 1, and the locking portion 311 can lock and unlock the decorative functional member 2 under the drive of the locking member 31. Specifically, the locking portion 311 can move toward a direction close to the decorative functional member 2 to lock the decorative functional member 2, or move toward a direction away from the decorative functional member 2 to unlock the decorative functional member 2 under the drive of the locking member 31.

[0044] In this way, by setting the locking part 311 to cooperate with the decorative functional part 2, a detachable connection between the rotating body 1 and the decorative functional part 2 can be achieved, so that the installation and removal of the rotating body 1 and the decorative functional part 2 are convenient, and it is convenient for users to replace the decorative functional part 2.

[0045] Exemplarily, the locking portion 311 may be a locking protrusion, a locking block, or the like.

[0046] Exemplarily, the rotating body 1 may be a spherical structure, and the rotating body 1 may include a main body 11 and a spherical cover 12 , wherein the spherical cover 12 is connected between the main body 11 and the decorative functional part 2 , wherein the locking structure 3 may be disposed on the spherical cover 12 .

[0047] The yo-yo provided in this embodiment is provided with a locking structure 3 on the rotating body 1, so that the locking structure 3 includes a locking member 31, and the locking member 31 has a locking portion 311 for detachably cooperating with the decorative functional member 2; the locking member 31 is movable relative to the rotating body 1, and the locking portion 311 can lock and unlock the decorative functional member 2 under the drive of the locking member 31. In this way, the detachable cooperation between the rotating body 1 and the decorative functional member 2 can be achieved through the cooperation of the locking portion 311 and the decorative functional member 2, so that when one of the rotating body 1 and the decorative functional member 2 is damaged, only the damaged part needs to be replaced, which avoids the scrapping of the rotating body 1 and the decorative functional member 2 as a whole to a certain extent, and saves the cost of maintenance and use. In addition, it is also convenient for users to replace different types or types of decorative functional members 2 to decorate the rotating body 1 differently or make the yo-yo have different functions, further improving the fun and entertainment of the yo-yo and meeting the different entertainment needs of users. At the same time, the locking member 31 is used to realize a detachable connection between the rotating body 1 and the decorative functional member 2, making the installation and removal of the two convenient and without the intervention of third-party tools, thereby improving the convenience of installation and removal of the decorative functional member 2 and helping to enhance the user experience.

[0048] In some embodiments, reference Figure 1 to Figure 2 As shown, there are two rotating bodies 1, which are arranged opposite to each other and connected by a connecting shaft.

[0049] In a specific implementation, for example, a bearing can be sleeved on the outside of the connecting shaft, the bearing is located between the two rotating bodies 1, and a yo-yo rope is wound around the outside of the bearing, and the rotating body 1 is rotated at the end of the yo-yo rope by swinging the yo-yo.

[0050] In some embodiments, there are at least two decorative functional parts 2, and each rotating body 1 may correspond to at least one decorative functional part 2. A locking structure 3 is disposed on each rotating body 1.

[0051] That is to say, the user can detachably connect at least one decorative functional part 2 on both rotating bodies 1 to further improve the appearance and fun of the yo-yo, making the yo-yo more entertaining.

[0052] In specific implementation, among all the decorative functional parts 2, at least two decorative functional parts 2 have different decorative effects or functions on the rotating body 1, so they can be replaced accordingly according to user needs to further improve the interest.

[0053] In some embodiments, reference Figures 1 to 8As shown, the locking member 31 is slidably connected to the rotating body 1, and the locking member 31 has a pressing surface 312 for pressing, and the locking member 31 can move away from the decorative functional member 2 when the pressing surface 312 is pressed. That is, when the pressing surface 312 is pressed, the locking member 31 can move in a direction away from the decorative functional member 2.

[0054] In this way, the locking part 311 can be separated from the decorative functional part 2 by pressing the pressing surface 312 on the locking part 31, thereby unlocking the decorative functional part 2 and further detaching the decorative functional part 2 from the rotating body 1. In other words, the locking part 311 can be moved and the decorative functional part 2 can be detached by pressing the pressing surface 312, which is convenient to use.

[0055] Of course, in other implementations, the locking structure 3 may also be rotationally connected to the rotating body 1 .

[0056] In some embodiments, reference Figures 4 to 7 As shown, the locking structure 3 also includes an elastic member 32 arranged between the locking member 31 and the rotating body 1. When the pressing force on the pressing surface 312 disappears, the locking member 31 can be reset (moved toward the direction close to the decorative functional member 2) under the action of the elastic member 32.

[0057] This arrangement makes it easy for the locking part 311 to rebound and reset under the rebound action of the elastic member 32 to cooperate with the decorative functional member 2 and lock the decorative functional member 2 when the pressing surface 312 is released, so that the decorative functional member 2 can be connected to the rotating body 1, which makes the connection between the decorative functional member 2 and the rotating body 1 more convenient and faster, and the installation and removal efficiency of the decorative functional member 2 is higher. In addition, the arrangement of the elastic member 32 is also conducive to maintaining the stable cooperation between the locking member 31 and the decorative functional member 2, thereby improving the stability and reliability of the connection between the decorative functional member 2 and the rotating body 1, and thus avoiding the accidental drop of the decorative functional member 2 to a certain extent.

[0058] In some embodiments, reference Figures 4 to 7 As shown, a guide member 313 is also provided on the locking member 31 , and the guide member 313 is used to guide the elastic member 32 .

[0059] Such an arrangement can improve the stability of the elastic member 32 during deformation to a certain extent, and avoid the elastic member 32 from twisting to a certain extent, thereby ensuring the reliable resetting of the locking member 31, making the connection between the decorative functional member 2 and the rotating body 1 convenient and quick.

[0060] In some embodiments, reference Figures 4 to 7As shown, the elastic member 32 is a spring, and the guide member 313 is a guide column arranged on the locking member 31 and extending into the inner spring coil of the spring. In this way, the elastic member 32 and the guide member 313 have a simple structure and a good guiding effect, and this can also save the layout space of the elastic member 32 and the guide member 313 to a certain extent.

[0061] The elastic member 32 may also be an elastic rope, an elastic strip, etc. In addition, the guide member 313 may also be a telescopic rod, and the telescopic direction of the telescopic rod is consistent with the deformation direction of the elastic member 32 .

[0062] In some embodiments, reference Figures 1 to 7 As shown, there are at least two locking members 31 , and at least two locking members 31 are arranged on the rotating body 1 at intervals, and each locking member 31 has a locking portion 311 .

[0063] With this arrangement, the decorative functional part 2 and the rotating body 1 can be connected and fixed from different positions, which is beneficial to ensure the reliability and stability of the connection between the two.

[0064] In some embodiments, reference Figures 1 to 7 As shown, there is an even number of locking members 31 , and the even number of locking members 31 are grouped in pairs. The two locking members 31 in the group are arranged opposite to each other on the rotating body 1 , and the two locking members 31 in the group are connected by an elastic member 32 .

[0065] Such an arrangement can further improve the stability and reliability of the connection between the decorative functional part 2 and the rotating body 1, and by making the two locking members 31 in a group share an elastic member 32, the structure of the entire locking structure 3 can be simplified while realizing the resetting of each locking member 31 to lock the decorative functional part 2.

[0066] In this embodiment, each locking structure 3 specifically includes two locking members 31 .

[0067] In some embodiments, reference Figures 2 to 3 As shown, the rotating body 1 has a receiving cavity 10 in it, a part of the locking structure 3 is located in the receiving cavity 10 , and a through hole 101 for exposing the locking member 31 is opened on the cavity wall of the receiving cavity 10 .

[0068] This arrangement can protect the locking structure 3 to a certain extent, and can prevent the locking member 31 from interfering with the external structure to a certain extent. At the same time, the arrangement of the through hole 101 is convenient for the user to control the locking member 31 to move.

[0069] Specifically, the accommodating cavity 10 is formed between the main body 11 of the rotating body 1 and the ball cover 12 .

[0070] In some embodiments, reference Figures 4 to 8As shown, part of the cavity wall of the accommodating cavity 10 protrudes toward the direction close to the decorative functional part 2 to form a protrusion 122, and the locking member 31 has a matching protrusion 314, which can extend into the protrusion 122 to limit the position of the locking member 31 along the radial direction of the rotating body 1. The locking portion 311 can be located on the matching protrusion 314. The radial direction of the rotating body 1 specifically refers to Figure 1 and Figure 5 In the Z direction.

[0071] This arrangement can prevent the locking member 31 from sliding along the Figure 1 and Figure 5 The situation that the locking member 31 moves excessively in the Z direction and separates from the rotating body 1 occurs, and the locking member 31 is Figure 1 and Figure 5 The Z-upward position is limited to ensure the normal use of the locking member 31.

[0072] In some embodiments, reference Figures 4 to 8 As shown, the decorative functional part 2 has a matching cavity 21, and an opening 211 is provided on the cavity wall of the matching cavity 21. The opening 211 is specifically located on the cavity wall of the matching cavity 21 facing the locking part 31.

[0073] The locking portion 311 can cooperate with the matching cavity 21 through the opening 211 to achieve locking of the decorative functional part 2. Specifically, the locking portion 311 can extend from the opening 211 into the matching cavity 21 and be aligned with the matching cavity 21 along the rotation axis of the rotating body 1 ( Figure 1 and Figure 5 The cavity wall on one side (in the X direction) of the rotating body is relatively abutted to lock the decorative functional part 2, or is separated from the cavity wall on one side of the matching cavity 21 along the rotation axis of the rotating body to release the locking of the decorative functional part 2.

[0074] With this arrangement, the decorative functional component 2 can be locked through the abutment between the locking portion 311 and the matching cavity 21 . The locking portion 311 and the decorative functional component 2 have simple structures and are easy to match.

[0075] In some embodiments, reference Figures 2 to 8 As shown, the rotating body 1 has a mating surface 121 disposed opposite to the decorative functional part 2 on the side facing the decorative functional part 2. When the cavity wall of the decorative functional part 2 on the side facing the rotating body 1 is in contact with the locking part 311, it can be sandwiched between the mating surface 121 and the locking part 311 to limit the decorative functional part 2 from rotating relative to the rotating body 1 around the rotation axis of the rotating body 1. The rotation axis of the rotating body 1 is specifically Figure 1 and Figure 5 The X direction is parallel to the center.

[0076] This arrangement can, to a certain extent, prevent the decorative functional part 2 from rotating relative to the rotating body 1. Figure 1 and Figure 5 The decorative functional part 2 rotates relative to the rotating body 1 in the X direction, so that the decorative functional part 2 can rotate synchronously with the rotating body 1 when the user is playing, which is beneficial to ensure the stability of the rotation of the rotating body 1 and improve the user experience.

[0077] In some embodiments, reference Figures 2 to 8 As shown, the side of the rotating body 1 facing the decorative functional part 2 has the protrusion 122 , and the protrusion 122 can be matched with the opening 211 .

[0078] Exemplarily, the protrusion 122 may extend from the opening 211 into the mating cavity 21 .

[0079] Continue to refer to Figures 2 to 8 As shown, the decorative functional component 2 can be sleeved on the outer periphery of the protruding portion 122 when at least part of the protruding portion 122 extends into the matching cavity 21. The protruding portion 122 is provided with an avoidance hole 1221 for the locking portion 311 to extend into. The locking portion 311 can also move relative to the decorative functional component 2 in the avoidance hole 1221.

[0080] In this way, when the decorative functional part 2 is connected to the rotating body 1, the protrusion 122 can also extend into the matching cavity 21, so that the decorative functional part 2 can be adjusted in the radial direction of the rotating body 1 ( Figure 1 and Figure 5 The position of the decorative functional part 2 is limited to a certain extent. Figure 1 and Figure 5 The situation of unexpected shaking upward in the middle Z direction occurs, which further ensures the stability and reliability of the connection between the decorative functional part 2 and the rotating body 1.

[0081] For example, when installing the decorative functional part 2, firstly, a pressing force is applied to the pressing surface 312 of the locking member 31 in a direction close to the center of the rotating body 1, and then the protruding portion 122 of the rotating body 1 is extended from the opening 211 into the matching cavity 21 of the decorative functional part 2, and then the pressing force on the locking member 31 is released. At this time, the locking portion 311 can move in a direction away from the center of the rotating body 1 under the elastic force of the elastic member 32, and move with the matching cavity 21 along the rotation axis of the rotating body 1 ( Figure 1 and Figure 5 The cavity walls in the X direction (in the X direction) are relatively abutted, thereby achieving the installation of the decorative functional part 2.

[0082] When the decorative functional part 2 needs to be removed, a pressing force is applied to the pressing surface 312 of the locking member 31 again in a direction close to the center of the rotating body 1, so that the locking portion 311 moves in a direction close to the center of the rotating body 1. At this time, the locking member 31 and the matching cavity 21 are aligned along the rotation axis of the rotating body 1 ( Figure 1 and Figure 5 The cavity wall in the X direction (in the X direction) is disengaged from the abutment and located at the opening 211, thereby realizing the separation of the decorative functional part 2 and the rotating body 1.

[0083] In some embodiments, reference Figures 1 to 3 As shown, the side of the rotating body 1 facing the decorative functional part 2 has a concave cavity 123, and the concave cavity 123 is concave toward the center of the rotating body 1. At least part of the decorative functional part 2 is located in the concave cavity 123, and the shape of the inner cavity wall of the concave cavity 123 is adapted to the outer contour shape of the part of the decorative functional part 2 located in the concave cavity 123, so as to confine the decorative functional part 2 in the concave cavity. The protrusion 122 is located in the concave cavity 123.

[0084] In this way, the decorative functional part 2 can be accommodated and limited to a certain extent by the concave cavity 123, which can avoid the decorative functional part 2 from being Figure 1 and Figure 5 The movement in the Z direction relative to the rotating body 1 shown in the figure is beneficial to improve the stability of the decorative functional part 2 on the rotating body 1. In addition, this can also reduce the risk of the entire yo-yo ball moving on the rotating body 1 rotation axis ( Figure 1 and Figure 5 The thickness dimension in the X direction (as shown) is conducive to reducing the size of the yo-yo. In addition, it can also protect the decorative functional part 2 to a certain extent.

[0085] In some embodiments, reference Figure 5 As shown, a guide structure 4 for guiding the movement of the locking member 31 is further provided between the rotating body 1 and the locking member 31 .

[0086] Such an arrangement can improve the stability of the locking member 31 relative to the rotating body 1 and the decorative functional member 2 when the locking member 31 moves to a certain extent, thereby facilitating smoothness when the rotating body 1 and the decorative functional member 2 are locked and unlocked, and making the use more convenient and quick.

[0087] Exemplarily, the guide structure 4 may be a guide groove into which at least part of the locking member 31 extends. Of course, the guide structure 4 may also include a guide groove provided on the locking member 31 and a guide protrusion provided on the rotating body 1, wherein the guide protrusion extends into the guide groove and can reciprocate along the extension direction of the guide groove.

[0088] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0089] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments described herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A yo-yo, characterized in that: It comprises a rotating body (1) and a decorative functional part (2); the decorative functional part (2) is located outside the rotating body (1) and is at least used to decorate the rotating body (1); The rotating body (1) is provided with a locking structure (3), wherein the locking structure (3) comprises a locking member (31), wherein the locking member (31) has a locking portion (311) for detachably cooperating with the decorative functional member (2); The locking member (31) can move relative to the rotating body (1), and the locking portion (311) can lock and unlock the decorative functional member (2) under the drive of the locking member (31).

2. The yo-yo according to claim 1, characterized in that: The locking member (31) is slidably connected to the rotating body (1), and the locking member (31) has a pressing surface (312) for pressing, and the locking member (31) can be moved away from the decorative functional member (2) when the pressing surface (312) is pressed; The locking structure (3) further comprises an elastic member (32) arranged between the locking member (31) and the rotating body (1); when the pressing force on the pressing surface (312) disappears, the locking member (31) can be reset under the action of the elastic member (32).

3. The yo-yo according to claim 2, characterized in that: The locking member (31) is also provided with a guide member (313), and the guide member (313) is used to guide the elastic member (32).

4. The yo-yo according to claim 3, characterized in that: The locking members (31) are in an even number, and the even number of the locking members (31) are grouped together in pairs. The two locking members (31) in the group are arranged opposite to each other on the rotating body (1), and the two locking members (31) in the group are connected via an elastic member (32); each of the locking members (31) has the locking portion (311).

5. The yo-yo according to any one of claims 1 to 4, characterized in that: The decorative functional part (2) has a matching cavity (21) therein, and an opening (211) is provided on the cavity wall of the matching cavity (21); The locking portion (311) can cooperate with the matching cavity (21) through the opening (211) to achieve locking of the decorative functional component (2).

6. The yo-yo according to claim 5, characterized in that: The rotating body (1) has a matching surface (121) disposed opposite to the decorative functional part (2) on one side thereof facing the decorative functional part (2); The cavity wall of the decorative functional part (2) facing the rotating body (1) can be clamped between the matching surface (121) and the locking portion (311) when it is in relative abutment with the locking portion (311), so as to limit the decorative functional part (2) from rotating relative to the rotating body (1) around the rotation axis of the rotating body (1).

7. The yo-yo according to claim 5, characterized in that: The rotating body (1) has a protruding portion (122) on one side facing the decorative functional part (2), and the protruding portion (122) can be matched with the opening (211); The decorative functional part (2) can be sleeved on the outer periphery of the protruding portion (122) when at least a portion of the protruding portion (122) extends into the matching cavity (21); the protruding portion (122) is provided with an avoidance hole (1221) into which the locking portion (311) can extend.

8. The yo-yo according to claim 7, characterized in that: A side of the rotating body (1) facing the decorative functional part (2) has a concave cavity (123), and the concave cavity (123) is recessed toward the center position of the rotating body (1); At least part of the decorative functional component (2) is located in the concave cavity (123), and the shape of the inner cavity wall of the concave cavity (123) is adapted to the outer contour shape of the part of the decorative functional component (2) located in the concave cavity (123), so as to confine the decorative functional component (2) in the concave cavity; The protruding portion (122) is located in the concave cavity (123).

9. The yo-yo according to any one of claims 1 to 4, characterized in that: The rotating body (1) has a receiving cavity (10); part of the locking structure (3) is located in the receiving cavity (10), and a through hole (101) is provided on the cavity wall of the receiving cavity (10) for exposing the locking member (31); Part of the cavity wall of the accommodating cavity (10) protrudes in a direction close to the decorative functional part (2) to form a protrusion (122), and the locking piece (31) has a matching protrusion (314), and the matching protrusion (314) can extend into the protrusion (122) to limit the position of the locking piece (31) along the radial direction of the rotating body (1).

10. The yo-yo according to any one of claims 1 to 4, characterized in that: A guide structure (4) for guiding the movement of the locking member (31) is also provided between the rotating body (1) and the locking member (31); And / or, there are two rotating bodies (1), the two rotating bodies (1) are arranged opposite to each other and connected by a connecting shaft; there are at least two decorative functional parts (2), and each rotating body (1) can correspond to at least one decorative functional part (2); and each rotating body (1) is provided with a locking structure (3).

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