Toy ball

Abstract

The utility model discloses a toy ball. The toy ball comprises a power device and an elastic shell. The power device is used for providing driving force. The elastic shell is provided with a containing cavity, the power device is installed in the containing cavity and detachably connected to the elastic shell, and the elastic shell is made of E-TPU materials. The technical scheme of the utility model has the advantages of better elasticity, stronger interactivity and more durability.

Description

TECHNICAL FIELD

[0001] The utility model relates to pet appliance field, especially a toy ball. BACKGROUND

[0002] In recent years, more and more people keep pets, but most of the time in a day, pet owners are working outside, and the time of interaction with pets at home is less, pets are kept at home and lack socialization and exercise, which is not conducive to the health of pets in the long run.

[0003] Therefore, a pet toy capable of interacting with pets needs to be designed, so that the pet can both expend energy and improve the exercise amount during the process of chasing and capturing the toy. However, pets like to bite the toy when chasing and capturing the toy, which makes the toy not durable. SUMMARY

[0004] The main purpose of the utility model is to provide a toy ball, which aims to solve the problem of insufficient durability of the toy ball for pets.

[0005] To achieve the above purpose, the utility model provides a toy ball, which comprises:

[0006] a power device for providing driving force; and

[0007] an elastic shell provided with a containing cavity, wherein the power device is installed in the containing cavity and detachably connected to the elastic shell, and the material of the elastic shell is E-TPU material.

[0008] Optionally, the elastic shell comprises:

[0009] a hard shell provided with the containing cavity; and

[0010] an elastic layer wrapped on the outside of the hard shell, and the material of the elastic layer is E-TPU material.

[0011] Optionally, the hard shell and the elastic layer form a first half shell and a second half shell, and the first half shell and the second half shell are connected by threads to enclose the containing cavity.

[0012] Optionally, a waterproof ring is arranged at the threaded connection between the first half shell and the second half shell.

[0013] Optionally, one positioning hole is arranged on the inner side of each of the first half shell and the second half shell, and positioning columns are arranged on both sides of the power device.

[0014] The positioning columns correspond to the positioning holes, so that the power device is detachably connected to the elastic shell.

[0015] Or, the two positioning holes have different hole shapes, and the two positioning columns are respectively matched with the corresponding positioning holes so that the power device is detachably connected to the elastic shell.

[0016] Optionally, the power device comprises:

[0017] a housing provided with a mounting cavity, a driven gear being arranged in the housing, and the housing being detachably connected to the elastic shell;

[0018] a motor arranged in the mounting cavity, an output end of the motor being provided with a driving gear, and the driving gear being engaged with the driven gear; and

[0019] a control assembly electrically connected to the motor.

[0020] Optionally, the power device further comprises:

[0021] a counterweight connected to one side of the housing; and

[0022] a pose sensor electrically connected to the control assembly and used for detecting a pose change of the power device.

[0023] Optionally, the power device further comprises a light-sensitive sensor electrically connected to the control assembly, and the light-sensitive sensor is used for detecting brightness in the accommodating cavity.

[0024] Optionally, the power device has multiple motion modes, and the power device further comprises:

[0025] a function key electrically connected to the control assembly and used for adjusting the motion mode; and / or

[0026] an indicator lamp electrically connected to the control assembly and used for displaying a current motion mode.

[0027] Optionally, the power device further comprises:

[0028] a battery electrically connected to the control assembly; and

[0029] a charging interface electrically connected to the battery.

[0030] The utility model discloses a toy ball of good elasticity and good resistance to tearing and biting. The toy ball comprises a power device capable of providing driving force and an elastic shell wrapped outside the power device, and the power device provides driving force to enable the toy ball to roll or bounce by itself when no one touches it. The elastic shell is made of E-TPU material, which has the characteristics of environmental protection, wear resistance, heat resistance, low-temperature resistance, light weight, high elasticity and compression resistance. The wear resistance of the shell makes the toy ball less likely to be damaged when being bitten by pets. The environmental protection of the shell makes it unnecessary to worry about pets eating toxic substances by mistake. The light weight, high elasticity and compression resistance of the shell enable the power device to drive the toy ball to bounce and roll to a greater extent, which is more conducive to attracting the attention of pets. The heat resistance and low-temperature resistance of the shell enable the toy ball to maintain the above basic performance in different seasons in the north and the south of China. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the structures shown in the drawings without creative labor for those skilled in the art.

[0032] Figure 1 It is the overall structure schematic diagram of the utility model toy ball;

[0033] Figure 2 It is the internal structure schematic diagram of the utility model toy ball;

[0034] Figure 3 It is the front view of the power device of the utility model toy ball;

[0035] Figure 4 It is the sectional view of A-A of Figure 3

[0036] Figure 5 It is the side view of the power device of the utility model toy ball;

[0037] Figure 6 It is the structure schematic diagram of the first half shell of the utility model toy ball;

[0038] Figure 7 It is the structure schematic diagram of the second half shell of the utility model toy ball;

[0039] Figure 8 It is the sectional view of the elastic shell of the utility model toy ball.

[0040] BRIEF DESCRIPTION OF DRAWINGS ​

[0041] 1, elastic shell; 11, hard shell; 111, first half shell; 112, second half shell; 113, mounting groove; 12, elastic layer; 13, screw thread; 14, waterproof ring; 2, power device; 21, shell; 211, counterweight; 212, rotating shaft; 213, fixing frame; 22, motor; 221, driving gear; 222, driven gear; 23, control assembly; 231, photosensitive sensor; 232, function key; 233, indicator light; 234, charging interface; 235, battery; 31, first positioning column; 32, first positioning hole; 41, second positioning column; 42, second positioning hole.

[0042] The realization, functional features and advantages of the utility model will be further described in combination with embodiments with reference to the drawings. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0044] It should be noted that all the directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indications also change accordingly.

[0045] In addition, the description of "first", "second" and the like in the utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist and is not within the protection scope required by the utility model.

[0046] In combination Figure 1 and Figure 2 , the utility model proposes an embodiment, a toy ball, the above-mentioned toy ball includes power device 2 and elastic shell 1. The above-mentioned power device 2 is used to provide driving force. The above-mentioned elastic shell 1 is equipped with accommodating cavity, the above-mentioned power device 2 is installed in the above-mentioned accommodating cavity and can be detachably connected to the above-mentioned elastic shell 1, and the material of the above-mentioned elastic shell 1 is E-TPU material.

[0047] Specifically, the elastic shell 1 is a hollow spherical structure, and the power device 2 can be installed in the elastic shell 1 and connected with the elastic shell 1 to maximize the use of the overall space, and the power device 2 is not limited to a specific shape. The power device 2 can output driving force to drive the toy ball to move. When the toy ball is lifted and then falls down, the elastic shell 1 is compressed and stores elastic potential energy in the process of landing, and the elastic potential energy makes the toy ball bounce up, so that the toy ball repeatedly bounces to attract the attention of the pet and interact with the pet. The elastic shell 1 made of E-TPU material has low density and good compression performance, so that when the power device 2 applies force to the elastic shell 1, the toy ball can bounce higher. The power device 2 is detachably connected to the elastic shell 1 to facilitate the pet owner to replace the elastic shell 1 with different colors or different patterns on the surface.

[0048] Understandably, when the power device 2 outputs driving force to make the toy ball move, in the process of the movement of the toy ball, the elastic shell 1 is repeatedly compressed to increase the elastic potential energy in the process of landing, and the elastic potential energy makes the toy ball bounce up, so that the toy ball repeatedly bounces under the repeated driving. And the power device 2 can adjust the driving force of the toy ball by changing the output force, changing the output time, changing the output interval and the like, so that the toy ball has more movement modes.

[0049] Through the embodiment, a toy ball with good elasticity and good resistance to biting is provided. The toy ball includes a power device 2 capable of providing driving force and an elastic shell 1 wrapped outside the power device 2, and the power device 2 provides driving force to enable the toy ball to roll or bounce by itself when no one touches it. The elastic shell 1 is made of E-TPU material, and E-TPU is foamed thermoplastic polyurethane. The E-TPU material has the characteristics of environmental protection, wear resistance, heat resistance, low-temperature resistance, light weight, high elasticity and compression resistance. The wear resistance of the shell makes the toy ball less likely to be damaged when it is bitten by the pet. The environmental protection of the shell makes it unnecessary to worry about the pet eating toxic substances. The light weight, high elasticity and compression resistance of the shell enable the power device 2 to drive the toy ball to bounce and roll to a greater extent, which is more conducive to attracting the attention of the pet. The heat resistance and low-temperature resistance of the shell enable the toy ball to maintain the above basic performance in different seasons in the north and south of the country.

[0050] In combination with Figure 1 and Figure 2 , the utility model provides an embodiment, the elastic shell 1 includes hard shell 11 and elastic layer 12. The hard shell 11 is provided with the accommodating cavity. The elastic layer 12 is covered outside the hard shell 11, and the material of the elastic layer is E-TPU material.

[0051] Specifically, the hard shell 11 is a spherical structure with an accommodating cavity inside, and can be made of a hard material such as plastic; the power device 2 is installed in the hard shell 11 so that the hard shell 11 can protect the power device 2 from being damaged. The elastic layer 12 is made of E-TPU material, and can be attached to the outer layer of the hard shell 11.

[0052] Further, the inner diameter of the hard shell 11 is equal to the outer diameter of the power device 2, so that the power device 2 can be stably installed in the hard shell 11 and form an integral whole, so that the power device 2 can drive the toy ball to move by outputting driving force.

[0053] Through the embodiment, the power device 2 is installed in the hard shell 11, and the elastic layer 12 is attached to the outer layer of the hard shell 11, which facilitates the installation of the power device 2 in the toy ball and also protects the power device 2. When the power device 2 outputs kinetic energy, the hard shell 11 drives the elastic layer 12 to press, thereby improving the bouncing effect of the toy ball.

[0054] Further, because the diameter of the toy ball is too small, it is easy to be eaten by pets, and the diameter of the toy ball is too large, which is not convenient for the pet to bite the toy ball. When the overall diameter of the toy ball is between 7 cm and 9.5 cm, the thickness of the elastic layer 12 containing E-TPU is between 7 mm and 30 mm. If the elastic shell 1 of the toy ball is relatively thin compared to the overall toy ball, the elasticity is insufficient, the bouncing is not high, and the attraction of the toy ball to the pet is reduced. If the elastic shell 1 of the toy ball is relatively thick compared to the overall toy ball, the overall diameter of the toy ball is too large, which makes it difficult for the pet to bite the toy ball.

[0055] Further, the outer surface of the elastic shell 1 is provided with a groove, which facilitates the pet to bite the outer surface of the toy ball.

[0056] In combination with Figure 2 , Figure 6 and Figure 7 , the utility model provides an embodiment, the above-mentioned hard shell 11 and the above-mentioned elastic layer 12 form first half shell 111 and second half shell 112, the above-mentioned first half shell 111 and the above-mentioned second half shell 112 are connected by screw thread 13 to enclose and form the above-mentioned accommodating cavity.

[0057] Specifically, the hollow hemispherical hard shell 11 and the hollow hemispherical elastic layer 12 are combined into two hollow hemispherical first half shell 111 and second half shell 112, that is, the elastic shell 1 forms two hollow hemispherical structures, wherein the screw thread 13 includes the internal thread provided with the first half shell 111 and the external thread provided with the second half shell 112, and the first half shell 111 and the second half shell 112 can be detachably connected by rotating through the internal and external thread cooperation.

[0058] Further, the thread 13 is arranged on the hard shell 11 of the first half shell 111 and the second half shell 112, when the first half shell 111 and the second half shell 112 are screwed, the elastic layers 12 of the first half shell 111 and the second half shell 112 gradually approach, the abutting part of the two elastic layers 12 has a certain degree of compression, so that the joint after installation is smaller, and dust and other impurities are not easy to enter, and the appearance is more complete.

[0059] Through the embodiment, the accommodating cavity of the elastic shell 1 can be opened, and the user can install the power device 2 to make the toy ball bounce or roll by itself to attract the attention of the pet. The user can also detach the power device 2 to directly throw the toy ball and interact with the pet.

[0060] In combination with Figure 2 , Figure 6 , Figure 7 and Figure 8 , the utility model provides an embodiment, the threaded connection between the above first half shell 111 and the above second half shell 112 is equipped with waterproof ring 14.

[0061] Specifically, the hard shell 11 of the second half shell 112 is provided with a mounting groove 113 adjacent to the external thread, the mounting groove 113 is used for mounting the waterproof ring 14, and when the first half shell 111 and the second half shell 112 are connected through the thread 13, the waterproof ring 14 is clamped between the first half shell 111 and the second half shell 112, so that the accommodating cavity forms a sealed space.

[0062] Through the embodiment, the waterproofness of the accommodating cavity is improved. The toy ball is prevented from falling into water to cause water to enter the accommodating cavity, and the pet's saliva is also prevented from entering the accommodating cavity when the pet bites the toy ball, so that the power device 2 is protected.

[0063] In combination with Figure 5 , Figure 6 and Figure 7 , the utility model provides an embodiment, the inner side of the above first half shell 111 and the above second half shell 112 is equipped with a positioning hole, the two sides of the above power device 2 are equipped with a positioning column, one above The positioning column corresponds to one above the positioning hole so that the power device 2 can be detachably connected to the above first half shell 111 and the above second half shell 112.

[0064] Specifically, the positioning holes in the inner sides of the hard shells 11 of the first half shell 111 and the second half shell 112 are coaxially arranged, the two side positioning columns of the power device 2 are also coaxially arranged, the two positioning columns correspond to the two positioning holes of the hard shells 11 of the first half shell 111 and the second half shell 112 respectively, and the positioning column and the positioning hole are gap-fitted.

[0065] By the embodiment, when the power device 2 is installed, one side positioning column of the power device 2 is first installed in correspondence with the positioning hole of the second half shell 112, and then the first half shell 111 is connected to the second half shell 112 through the screw 13. Meanwhile, the positioning column on the other side is also connected to the positioning hole of the first half shell 111. In this way, the connection between the power device 2 and the elastic shell 1 is more stable, the power device 2 can drive the elastic shell 1 to move to realize the autonomous movement of the toy ball, and the power device 2 is also avoided from rotating in the accommodating cavity when moving.

[0066] In combination with Figure 5 , Figure 6 and Figure 7 , the utility model provides an embodiment, two above-mentioned positioning hole hole shapes are different, two above-mentioned positioning column respectively adapt corresponding above-mentioned positioning hole to make above-mentioned power device 2 detachable connection in above-mentioned elastic shell 1.

[0067] Specifically, the positioning hole of the first half shell 111 is a first positioning hole 32, and the shape of the cross section of the first positioning hole 32 is a regular hexagon. The positioning hole of the second half shell 112 is a second positioning hole 42, and the shape of the cross section of the second positioning hole 42 is a square. Meanwhile, the positioning columns on both sides of the power device 2 are a first positioning column 31 and a second positioning column 41 respectively, the first positioning column 31 adapts the first positioning hole 32 and is a regular hexagonal prism. The second positioning column 41 adapts the second positioning hole 42 and is a regular quadrangular prism.

[0068] By the embodiment, different positioning holes are arranged to make the power device 2 installation have the function of preventing mistakes.

[0069] In combination with Figure 2 , Figure 3 and Figure 4 , the utility model provides an embodiment, and the power device comprises a shell 21, a motor 22 and a control assembly 23. The shell 21 is provided with an installation cavity, a driven gear 222 is arranged in the installation cavity, and the shell 21 is detachably connected to the elastic shell 1. The motor 22 is arranged in the installation cavity, the output end of the motor 22 is provided with a driving gear 221, the driving gear 221 and the driven gear 222 are engaged, and the control assembly 23 is electrically connected to the motor 22.

[0070] Specifically, the shell 21 is in a spherical cylindrical structure, and the size is matched with the accommodating cavity, and the inside is the mounting cavity. A rotating shaft 212 is penetrated through the shell 21, and the two ends of the rotating shaft 212 are respectively the first positioning column 31 and the second positioning column 41, and the rotating shaft 212 is further provided with a fixing frame 213, and the motor 22 is mounted on the fixing frame 213, and the driving gear 221 at the output end of the motor 22 drives the driven gear 222 and the shell 21 to rotate, so that the whole power device 2 drives the elastic shell 1 to move. The control assembly 23 includes circuit boards and electronic elements such as wires, which can control the start-stop, output power and output time of the motor 22 and the like.

[0071] Further, the driven gear 222 is an annular rack, the rack of the annular rack is towards the center, the driven gear 222 is arranged around the axis of the first positioning column 31 and the second positioning column 41, and the driving gear 221 is engaged in the driven gear 222 to drive the shell 21 to rotate around the rotating shaft 212.

[0072] Through the embodiment, the motor 22 drives the shell 21 and the elastic shell 1 to move, and by adjusting the start-stop, output power and output time of the motor 22 and the like, the toy ball can perform different movement modes, such as rolling or bouncing.

[0073] In combination with Figure 2 , Figure 3 and Figure 4 , the utility model provides an embodiment, the power device 2 still includes counterweight 211 and pose sensor. The counterweight 211 is arranged at one side of the shell 21. The pose sensor is electrically connected to the control assembly 23, and is used for detecting the pose change of the power device.

[0074] Specifically, the counterweight 211 is embedded in a part of the outer surface of the shell 21, and the motor 22 can drive the counterweight 211 to move around the rotating shaft 212. When the motor 22 drives the counterweight 211 to rotate or the pet touches the toy ball to make the counterweight 211 move, the pose sensor can detect that the pose of the power device 2 changes, and then feedback signals to the control assembly 23, and the control assembly 23 is loaded with a program, and the program can control the motor 22 to change the output mode according to different signals.

[0075] Further, the principle of the toy ball to roll is that the motor 22 drives the shell 21 to rotate so that the counterweight 211 connected to the shell 21 is lifted, and then the gravity center of the whole power device 2 is high. At this time, the pose sensor detects that the pose of the power device 2 changes, that is, the pose when the counterweight is at the lowest position, and then the motor 22 stops driving the shell 21 to rotate. The counterweight 211 is only on one side of the shell 21, and under the action of gravity, the counterweight 211 moves downward to the lowest position, that is, drives the whole power device 2 and the elastic shell 1 to roll. At this time, the pose sensor detects that the pose of the power device 2 is the pose when the counterweight is at the lowest position, and then the motor 22 continues to drive the power device 2 to rotate. When the pose sensor detects that the pose of the power device 2 changes, that is, the pose when the counterweight is not at the lowest position, the motor 22 stops driving the shell 21 to rotate, and the whole power device 2 and the elastic shell 1 are driven to roll under the influence of the counterweight 211. Thus, the above process is repeated to realize the long-distance rolling of the toy ball.

[0076] Further, the principle of the toy ball to roll is that the motor 22 drives the shell 21 to rotate so that the counterweight 211 connected to the shell 21 is lifted, and then the gravity center of the whole power device 2 is high. At this time, the pose sensor detects that the pose of the power device 2 changes, that is, the pose when the counterweight is at the lowest position, and then the motor 22 stops driving the shell 21 to rotate. The counterweight 211 is only on one side of the shell 21, and under the action of gravity, the counterweight 211 moves downward to the lowest position, that is, drives the whole power device 2 and the elastic shell 1 to roll. At this time, the pose sensor detects that the pose of the power device 2 is the pose when the counterweight is at the lowest position, and then the motor 22 continues to drive the power device 2 to rotate. When the pose sensor detects that the pose of the power device 2 changes, that is, the pose when the counterweight is not at the lowest position, the motor 22 stops driving the shell 21 to rotate, and the whole power device 2 and the elastic shell 1 are driven to roll under the influence of the counterweight 211. Thus, the above process is repeated to realize the long-distance rolling of the toy ball.

[0077] Through the embodiment, the output mode of the motor 22 can be set through the control assembly 23. When the toy ball is turned on, if the pet touches the toy ball to make the toy ball roll, the pose sensor detects the change of the pose and sends a signal to the control assembly 23, and the control assembly 23 controls the motor 22 to drive the toy ball to roll or the motor 22 can continuously output power to drive the toy ball to bounce.

[0078] In combination with Figure 2 , Figure 3 and Figure 4 , the utility model provides an embodiment, above-mentioned power device 2 still be equipped with photosensitive sensor 231, above-mentioned photosensitive sensor 231 electric connection is in above-mentioned control assembly 23, above-mentioned photosensitive sensor 231 is used for detecting the brightness in above-mentioned accommodating cavity.

[0079] Specifically, the photosensitive sensor 231 is arranged on the outer surface of the power device 2, acquires the external light signal and feeds back to the control assembly 23.

[0080] Through the embodiment, when the containing cavity is opened, the photosensitive sensor 231 detects light (LUX>0), and the control assembly 23 judges that the toy ball is in the state of installation or disassembly, and then does not control the power device 2 to move. When the containing cavity is closed, the photosensitive sensor 231 detects that the light is extremely dark (LUX<0), and the control assembly 23 judges that the toy ball is in a runnable state, and then controls the power device 2 to move in cooperation with the posture sensor.

[0081] In combination with Figure 2 , Figure 3 and Figure 4 , the utility model provides an embodiment, the power device 2 has multiple movement modes, and the power device 2 is further provided with a function key 232 and an indicating lamp 233. The function key 232 is electrically connected to the control assembly 23 and is used to adjust the movement mode. The indicating lamp 233 is electrically connected to the control assembly 23 and is used to display the current movement mode.

[0082] Specifically, the movement mode includes a passive mode, a normal mode and a gentle mode. In the passive mode, the toy ball is controlled to jump only after the posture sensor detects the change of the posture of the toy ball, that is, after the pet touches the toy ball. In the normal mode, the control assembly 23 controls the toy ball to jump and roll intermittently. In the gentle mode, the control assembly 23 controls the toy ball to roll for a long time and to jump intermittently for a short time, and the frequency of jumping is lower than that in the normal mode.

[0083] Further, the function key 232 on the outside of the power device 2 can switch the movement mode of the power device 2, the indicating lamp 233 can indicate different movement modes through the color of light or the degree of light flicker, and the indicating lamp 233 can also display the state of the battery 235. For example, when the toy ball is in the passive mode, the light is green; when the toy ball is in the normal mode, the light is blue; when the toy ball is in the gentle mode, the light is purple; that is, different colors of indicating light represent different function modes. Alternatively, when the toy ball has low power, the light is red and fast flashes; when the toy ball is charging, the light is yellow and slow flashes; and when the toy ball is fully charged, the light is green and always on, that is, different colors of indicating light and different degrees of light flicker represent different power states.

[0084] Through the embodiment, the user can set the corresponding mode of the toy ball through the function key, and the indicating lamp 233 facilitates the user to identify the state of the power device 2.

[0085] In combination with Figure 2 , Figure 3 and Figure 4 , the utility model provides an embodiment, and the power device 2 is further provided with a battery 235 and a charging interface 234. The battery 235 is electrically connected to the control assembly 23. The charging interface 234 is electrically connected to the battery 235.

[0086] Specifically, the charging interface 234 can be a Micro USB interface or a USB Type-C interface.

[0087] Through the embodiment, the battery 235 supplies power for the power device 2, and meanwhile, the charging interface 234 can supply power for the battery 235, or the power device 2 can be programmed and set through the terminal such as a computer connected through the charging interface 234.

[0088] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made under the utility model concept of the utility model, or direct / indirect application in other related technical fields is included in the patent protection range of the utility model.

Claims

1. A toy ball, characterized in that The toy ball comprises: a power device for providing driving force; and an elastic shell provided with a receiving cavity, the power device being mounted in the receiving cavity and detachably connected to the elastic shell, the material of the elastic shell being E-TPU material.

2. The toy ball of claim 1, wherein The elastic shell comprises: a hard shell provided with the receiving cavity; and an elastic layer wrapped outside the hard shell, the material of the elastic layer being E-TPU material.

3. The toy ball of claim 2, wherein The hard shell and the elastic layer form a first half shell and a second half shell, the first half shell and the second half shell being connected by threads to enclose the receiving cavity.

4. The toy ball of claim 3, wherein The threaded connection between the first half shell and the second half shell is provided with a waterproof ring.

5. The toy ball of claim 3, wherein The inner side of the first half shell and the second half shell is provided with a positioning hole, and the power device is provided with positioning columns on both sides; wherein the positioning columns correspond to the positioning holes so that the power device is detachably connected to the elastic shell; or, the two positioning holes have different hole shapes, and the two positioning columns are respectively adapted to the corresponding positioning holes so that the power device is detachably connected to the elastic shell.

6. The toy ball of any one of claims 1 to 5, wherein, The power device comprises: a shell provided with a mounting cavity, an inner wall of the shell being provided with a driven gear, the shell being detachably connected to the elastic shell; a motor provided in the mounting cavity, an output end of the motor being provided with a driving gear, the driving gear and the driven gear being engaged; and a control assembly electrically connected to the motor.

7. The toy ball of claim 6, wherein The power device further comprises: a counterweight provided on one side of the shell; and a pose sensor electrically connected to the control assembly, for detecting the pose change of the power device.

8. The toy ball of claim 6, wherein The power device further comprises a light-sensitive sensor electrically connected to the control assembly, the light-sensitive sensor being used for detecting the brightness in the receiving cavity.

9. The toy ball of claim 6, wherein The power device has multiple motion modes, and the power device further comprises: a function key electrically connected to the control assembly, for adjusting the motion mode; and / or an indicator light electrically connected to the control assembly, for displaying the current motion mode.

10. The toy ball of claim 6, wherein The power device further comprises: a battery electrically connected to the control assembly; and a charging interface electrically connected to the battery.

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