Hub of toy car and toy car

Abstract

The utility model provides a hub of a toy car, which comprises a hub body provided with a first mounting groove; the metal connecting piece is arranged in the first mounting groove, the metal connecting piece is used for being connected with a transmission wheel shaft of the toy car, so that the metal connecting piece is connected with the transmission wheel shaft of the toy car, the metal connecting piece is high in strength and resistant to abrasion, and the hub body is connected with the metal transmission wheel shaft through the metal connecting piece; the strength of the joint of the hub body and the transmission axle is effectively improved, and the service life of the hub of the toy car can be effectively prolonged. For example, according to an existing toy car on the market, a plastic hub body is usually used for being connected with a metal transmission wheel shaft of the toy car, the connecting portion of the hub body and the transmission wheel shaft of the toy car can be abraded, and therefore connection between the hub body and the transmission wheel shaft of the toy car is not stable. The metal connecting piece is connected with the metal transmission wheel shaft of the toy car, so that the service life of the hub of the toy car is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of toy cars, and in particular to a wheel hub for a toy car and a toy car itself. Background Technology

[0002] Toy cars are primarily intended for children's amusement; they are typically scaled-down versions of the basic structure and appearance of automobiles. These toys not only bring joy to children but also offer various practical and educational benefits:

[0003] Toy cars come in a variety of colors and designs, attracting children's attention and stimulating their imagination and creativity. For example, children's track toy cars allow children to freely use their imagination on specific tracks and design their own unique ways to play.

[0004] Toy vehicles, such as scooters and children's scooters, can help children develop balance, improve coordination, and promote motor skills. These toys are especially suitable as transitional tools for toddlers learning to ride bicycles or use scooters.

[0005] Toy cars also play an important role in children's intellectual development. By operating toy cars, children can train their visual abilities, improve hand-eye coordination, develop number concepts, perform basic addition and subtraction, recognize colors, and exercise their wrist flexibility and the ability to coordinate their hands.

[0006] Toy cars can also enhance children's social skills. Children can play together and share the fun of toy cars, which helps them learn to cooperate and communicate with others.

[0007] However, most toy cars on the market currently have plastic wheel hubs, while the drive shafts are made of metal. Under the high-intensity rotation of the drive shaft, the joint between the drive shaft and the wheel hub will wear due to material strength issues, resulting in an unstable connection between the plastic wheel hub and the toy car's drive shaft. This leads to a shorter lifespan for both the toy car's wheel hub and the toy car itself.

[0008] Therefore, there is an urgent need in the market for a toy car wheel hub and toy car that is strong, not easily damaged, and has a long service life, in order to improve the user experience. Summary of the Invention

[0009] To overcome the shortcomings of the prior art, this utility model provides a wheel hub for a toy car, comprising:

[0010] A hub body, the hub body having a first mounting groove;

[0011] A metal connector is disposed in the first mounting groove and is used to connect to the drive shaft of the toy car.

[0012] The beneficial effects of this utility model are as follows: This utility model provides a wheel hub for a toy car, comprising: a wheel hub body having a first mounting groove; and a metal connector disposed within the first mounting groove, the metal connector being used to connect with the toy car's drive shaft. The metal connector has high strength and is wear-resistant. The connection between the wheel hub body and the metal drive shaft via the metal connector effectively improves the strength of the connection between the wheel hub body and the drive shaft, thus effectively extending the service life of the toy car's wheel hub. For example, existing toy cars on the market typically use plastic wheel hub bodies connected to the toy car's metal drive shaft. After a period of use, the connection between the plastic wheel hub body and the toy car's drive shaft will wear down, leading to unstable connection between the wheel hub body and the toy car's drive shaft. Connecting with the toy car's metal drive shaft via the metal connector effectively reduces wear at the connection between the wheel hub body and the toy car's drive shaft, thereby extending the service life of the toy car's wheel hub. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the following description of the embodiments will be briefly introduced. The drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is an exploded view of this utility model;

[0017] Figure 3 yes Figure 2 Enlarged view of point A;

[0018] Figure 4 yes Figure 2 Enlarged view of point B;

[0019] Figure 5 yes Figure 2 Enlarged view of point C;

[0020] Figure 6 This is a structural schematic diagram of the metal connector;

[0021] Figure 7 It is a sectional view taken along the metal connector;

[0022] Figure 8 This is a structural schematic diagram of the wheel hub body;

[0023] Figure 9 This is another structural schematic diagram of the wheel hub body;

[0024] Figure 10 It is a sectional view taken along the tire, hub body, and metal connectors;

[0025] Figure 11 This is another structural schematic diagram of a metal connector;

[0026] Figure 12 This is another sectional view taken along the metal connector;

[0027] Figure 13 This is another structural schematic diagram of the wheel hub body;

[0028] Figure 14 This is another structural schematic diagram of the wheel hub body;

[0029] Figure 15 This is another sectional view taken along the tire, hub body, and metal connectors; Detailed Implementation

[0030] refer to Figures 1-15 A toy car wheel hub, comprising:

[0031] The hub body 1 has a first mounting groove 11;

[0032] Metal connector 2 is disposed in the first mounting groove 11 and is used to connect with the drive wheel shaft 10 of the toy car.

[0033] With the above structure, including: a hub body having a first mounting groove; and a metal connector disposed within the first mounting groove, the metal connector being used to connect with the toy car's drive shaft, ensuring high strength and wear resistance. The connection between the hub body and the drive shaft effectively improves the strength of the connection, thus extending the lifespan of the toy car's hub. For example, existing toy cars typically use plastic hub bodies connected to the toy car's metal drive shaft. After a period of use, the connection between the plastic hub body and the drive shaft wears down, leading to unstable connections. The metal connector effectively reduces wear at the connection point, thereby extending the toy car's hub's lifespan.

[0034] The metal connector 2 has a first mounting port 21 for connecting to the drive shaft 10 of the toy car. Through this structure, the drive shaft 10 of the toy car is inserted into the first mounting port 21, thus completing the connection between the hub body 1 and the drive shaft 10 of the toy car.

[0035] In this embodiment, the material of the wheel hub body 1 is different from the material of the metal connector 2. The wheel hub body 1 is connected to the metal connector 2 via a first connecting portion 12, and the wheel hub body 1 and the first connecting portion 12 are integrally injection molded. When the wheel hub body 1 is injection molded, at least a portion of the wheel hub body 1 adheres to the metal connector 2 to form the first connecting portion 12. Specifically, the wheel hub body 1 also includes a first colloid 13, which is injection molded and cured. At least a portion of the first colloid 13 adheres to the metal connector 2 to form an attachment portion 14, and the attachment portion 14 forms the first connecting portion 12 after the wheel hub body 1 cures. Further, the melting point of the metal connector 2 is greater than the melting point of the wheel hub body 1 and the first connecting portion 12. Even further, the wheel hub body 1 is a plastic wheel hub body 1. Through the above structure, the connection between the metal connector 2 and the wheel hub body 1 is effectively achieved. This not only facilitates production but also ensures a stable connection, improving the strength of the connection between the wheel hub and the drive shaft. It also prevents slippage between the wheel hub body and the drive shaft, thereby improving the transmission efficiency of the wheel hub and effectively reducing wear at the connection between the wheel hub body and the toy car's drive shaft. Furthermore, since the melting point of the metal connector 2 is higher than that of the wheel hub body 1 and the first connecting part 12, the metal connector 2 will not melt during the injection molding of the wheel hub body 1. This allows the injection-molded wheel hub body 1 to adhere to the outer surface of the metal connector 2, completing the connection between the metal connector 2 and the wheel hub body 1. Further, since the wheel hub body 1 is made of plastic, using the metal connector 2 to connect with the toy car's drive shaft extends the lifespan of the wheel hub body 1 while maintaining its overall lightweight design. This effectively reduces the weight of the toy car, increasing its speed and saving energy. The first mounting groove 11 and the first mounting opening 21 have different shapes.

[0036] In this embodiment, the metal connector 2 is a polygonal metal connector 2, and the first mounting groove 11 is a polygonal first mounting groove 11. Through this structure, the polygonal metal connector 2 is connected to the polygonal first mounting groove 11, which prevents slippage between the hub body and the drive shaft, thereby improving the hub's transmission efficiency and effectively reducing wear at the connection between the hub body and the toy car's drive shaft.

[0037] In this embodiment, the outer sidewall of the metal connector 2 has a plurality of first positioning protrusions 22, and the inner sidewall of the first mounting groove 11 has a plurality of first positioning grooves 111, with the first positioning protrusions 22 connected to the first positioning grooves 111. The outer sidewall of the metal connector 2 also has a plurality of second positioning grooves 23, and the inner sidewall of the first mounting groove 11 has a plurality of second positioning protrusions 112, with the first positioning protrusions 22 connected to the first positioning grooves 111. Specifically, there are multiple first positioning protrusions 22 and multiple second positioning grooves 23, arranged alternately along the outer sidewall of the metal connector 2; and multiple second positioning protrusions 112 and multiple first positioning grooves 111, arranged alternately along the inner sidewall of the first mounting groove 11. With the above structure, since the first positioning protrusion 22 is connected to the first positioning groove 111, transmission slippage between the hub body and the metal connector 2 can be further prevented, thereby improving the transmission efficiency of the hub and reducing wear at the connection between the hub body and the toy car's transmission axle. The second mounting groove is used to connect with the polygonal coupling 101 of the toy car's transmission axle. The polygonal coupling 101 is a polygonal metal coupling. Through the above structure, the second mounting groove of the metal connector combines with the polygonal metal coupling, effectively reducing wear at the connection between the hub body and the toy car's transmission axle. The first mounting groove is hexagonal, the second mounting groove is hexagonal, and the metal coupling is hexagonal.

[0038] In this embodiment, one side of the hub body 1 has a first limiting protrusion 15, and the other side of the hub body 1 has a second limiting protrusion 16. Both the first limiting protrusion 15 and the second limiting protrusion 16 are used to abut against the inner wall of the toy car's tire 3, and the first limiting protrusion 15 and the second limiting protrusion 16 are used to restrict the hub body within the toy car's tire 3. There are multiple first limiting protrusions 15, which are arranged circumferentially along the hub body 1, and a first gap 151 exists between the multiple first limiting protrusions 15. Similarly, there are multiple second limiting protrusions 16, which are arranged circumferentially along the hub body 1, and a second gap 161 exists between the multiple second limiting protrusions 16. Specifically, the hub body 1 includes a third connecting portion 17 and a second connecting portion 18. The third connecting portion 17 is connected to the second connecting portion 18. A first mounting groove 11 is provided in the third connecting portion 17, and a first limiting protrusion 15 and a second limiting protrusion 16 are provided in the second connecting portion 18. The third connecting portion 17 and the second connecting portion 18 are connected by a plurality of supporting ribs 171. A first hollow hole 172 is provided between the plurality of supporting ribs 171, and the supporting ribs 171 have a second hollow hole 173. The shape of the first hollow hole 172 is different from the shape of the second hollow hole 173. Furthermore, the hub body 1 includes a main body portion 19. One side of the hub body 1 has a first annular protrusion 191, and the other side has a second annular protrusion 192. The first annular protrusion 191 is connected to the surface of the main body portion 19, and the second annular protrusion 192 is connected to the surface of the main body portion 19. A first limiting protrusion 15 is connected to the surface of the first annular protrusion 191, and a second limiting protrusion 16 is connected to the surface of the second annular protrusion 192. Further still, the metal connector 2 has a second mounting groove 24, and a first mounting opening 21 communicates with the second mounting groove 24. The inner wall of the first mounting groove 11 also has a first clearance opening 113. Through the above structure, the first annular protrusion 191, the second annular protrusion 192, the first limiting protrusion 15, and the second limiting protrusion 16 can stop the hub body 1 against the inner wall of the toy car's tire 3, thereby combining the hub body 1 and the tire 3 into a single unit. Furthermore, since there is a first gap 151 between the multiple first limiting protrusions 15 and a second gap 161 between the multiple second limiting protrusions 16, it is convenient to insert the first annular protrusion 191, the second annular protrusion 192, the first limiting protrusion 15, and the second limiting protrusion 16 of the wheel hub body 1 into the tire 3 to complete the connection between the wheel hub body 1 and the tire 3. Further, due to the provision of the first and second hollow holes, the weight of the wheel hub body can be effectively reduced, thereby increasing the toy car's moving speed and saving the toy car's electrical energy.

[0039] In this embodiment, the height D1 of the metal connector 2 ranges from 2mm to 150mm, and the width D2 of the metal connector 2 ranges from 1mm to 120mm; the width D3 of the first mounting groove 11 ranges from 1mm to 120mm; the width D4 of the first mounting opening 21 ranges from 1mm to 120mm, and the depth D5 of the first mounting opening 21 ranges from 0.5mm to 119.9mm; the height D6 of the first positioning protrusion 22 ranges from 1mm to 100mm, and the depth D7 of the first positioning groove 111 ranges from 1mm to 100mm; the width D8 of the first positioning protrusion 22 ranges from 0.5mm to 100mm, and the width D9 of the first positioning groove 111 ranges from 0.5mm to 100mm; the wall thickness D10 of the metal connector 2 is 1mm to 99mm; the outer diameter D11 of the hub body 1 ranges from 3mm to 1200mm, and the width D12 of the hub body 1 ranges from 2mm to 700mm. Specifically, the outer diameter D13 of the first clearance opening 113 ranges from 1mm to 100mm, the width D14 of the first gap 151 ranges from 1mm to 500mm, and the width D15 of the first limiting protrusion 15 ranges from 1mm to 500mm; the outer diameter D16 of the main body 19 ranges from 5mm to 1000mm; and the width D17 of the second mounting groove 24 ranges from 1mm to 100mm. This structure, with its reasonable dimensional settings, allows the wheel hub to be matched with most toy cars, greatly improving its versatility.

[0040] refer to Figures 1-10 It also provides a toy car, including the wheel hub of the aforementioned toy car.

[0041] The system also includes a tire 3, which has a fitting opening 31. The fitting opening 31 of the tire 3 is connected to the hub body 1. The surface of the tire 3 has raised first anti-slip treads 32, second anti-slip treads 33, third anti-slip treads 34 and fourth anti-slip treads 35. The shapes of the first anti-slip treads 32, second anti-slip treads 33, third anti-slip treads 34 and fourth anti-slip treads 35 are different from each other. The first anti-slip treads 32, second anti-slip treads 33, third anti-slip treads 34 and fourth anti-slip treads 35 are arranged sequentially from one side of the tire 3 to the other side. Specifically, the first anti-slip texture 32 includes a first anti-slip unit 321 and a second anti-slip unit 322, which are symmetrically arranged. The first anti-slip unit 321 is Z-shaped, and the second anti-slip unit 322 is Z-shaped. The second anti-slip texture 33 includes a third anti-slip unit 331, a fourth anti-slip unit 332, and a fifth anti-slip unit 333. The third anti-slip unit 331 and the fifth anti-slip unit 333 are located on both sides of the fourth anti-slip unit 332, and the fourth anti-slip unit 332 is located between the third anti-slip unit 331 and the fifth anti-slip unit 332. Above the third anti-slip unit 333, a third gap 334 exists between the third anti-slip unit 331, the fourth anti-slip unit 332, and the fifth anti-slip unit 333, and an arch-shaped second anti-slip tread 33 is formed between the third anti-slip unit 331, the fourth anti-slip unit 332, and the fifth anti-slip unit 333; the third anti-slip tread 34 includes multiple 7-shaped sixth anti-slip units 341, and a fourth gap 342 exists between the multiple 7-shaped sixth anti-slip units 341; the fourth anti-slip tread 35 has the same shape as the first anti-slip tread 32, and the second anti-slip tread 33 and the third anti-slip tread 34 are located between the first anti-slip tread 32 and the fourth anti-slip tread 35. Furthermore, the inner wall of the tire 3 has raised reinforcing ribs 36. Furthermore, the width D18 of the reinforcing rib 36 ranges from 1mm to 10mm, the width D19 of the fitting opening 31 ranges from 2mm to 1000mm, the outer diameter D20 of the tire 3 ranges from 5mm to 1500mm, the width D21 of the tire 3 ranges from 2mm to 750mm, and the wall thickness D22 of the tire 3 ranges from 0.2mm to 50mm. Through this structure, since the shapes of the first anti-slip tread 32, the second anti-slip tread 33, the third anti-slip tread 34, and the fourth anti-slip tread 35 are different, the anti-slip performance of the tire 3 can be effectively improved, significantly enhancing the tire 3's grip in multiple directions. Moreover, because the inner wall of the tire 3 has raised reinforcing ribs 36, these ribs support the tire 3, allowing it to better conform to the ground.

[0042] The above description provides one or more embodiments in conjunction with specific content, but it is not intended that the specific implementation of this utility model is limited to these descriptions. Any methods or structures that are similar to or identical to those of this utility model, or any technical deductions or substitutions made based on the concept of this utility model, should be considered within the scope of protection of this utility model.

Claims

1. A wheel hub for a toy car, characterized in that, include: The hub body (1) has a first mounting groove (11). Metal connector (2), the metal connector (2) is disposed in the first mounting groove (11), the metal connector (2) is used to connect with the drive wheel shaft (10) of the toy car; The metal connector (2) has a first mounting port (21) for connecting to the drive shaft (10) of the toy car; The outer side wall of the metal connector (2) has a plurality of first positioning protrusions (22), and the inner side wall of the first mounting groove (11) has a plurality of first positioning grooves (111). The first positioning protrusions (22) are connected to the first positioning grooves (111).

2. The wheel hub of the toy car according to claim 1, characterized in that, The material of the hub body (1) is different from that of the metal connector (2).

3. The wheel hub of the toy car according to claim 1, characterized in that, The hub body (1) is connected to the metal connector (2) through the first connecting part (12), and the hub body (1) and the first connecting part (12) are integrally injection molded; when the hub body (1) is injection molded, at least a part of the hub body (1) is attached to the metal connector (2) to form the first connecting part (12); the hub body (1) also includes a first colloid (13), and the hub body (1) is formed by injection molding and curing the first colloid (13); at least a part of the first colloid (13) is attached to the metal connector (2) to form an attachment part (14), and the attachment part (14) forms the first connecting part (12) after the hub body (1) is cured; the melting point of the metal connector (2) is greater than the melting point of the hub body (1) and the first connecting part (12).

4. The wheel hub of the toy car according to claim 1, characterized in that, The hub body (1) is a plastic hub body (1); the metal connector (2) is polygonal, and the first mounting groove (11) is polygonal.

5. The wheel hub of the toy car according to claim 1, characterized in that, The outer side wall of the metal connector (2) has a plurality of second positioning grooves (23), and the inner side wall of the first mounting groove (11) has a plurality of second positioning protrusions (112). The first positioning protrusions (22) are connected to the first positioning grooves (111). There are multiple first positioning protrusions (22) and multiple second positioning grooves (23). Multiple first positioning protrusions (22) and multiple second positioning grooves (23) are arranged alternately along the outer side wall of the metal connector (2). There are multiple second positioning protrusions (112) and multiple first positioning grooves (111). Multiple first positioning protrusions (22) and multiple second positioning grooves (23) are arranged alternately along the inner side wall of the first mounting groove (11).

6. The wheel hub of the toy car according to claim 1, characterized in that, The hub body (1) has a first limiting protrusion (15) on one side and a second limiting protrusion (16) on the other side. Both the first limiting protrusion (15) and the second limiting protrusion (16) are used to abut against the inner wall of the toy car's tire (3). The first limiting protrusion (15) and the second limiting protrusion (16) are used to restrict the hub body within the toy car's tire (3). There are multiple first limiting protrusions (15), which are arranged circumferentially along the hub body (1) and have a first gap (151) between them. There are multiple second limiting protrusions (16), which are arranged circumferentially along the hub body (1) and have a first gap (151) between them. A second gap (161) exists between the two limiting protrusions (16); the hub body (1) includes a third connecting part (17) and a second connecting part (18), the third connecting part (17) is connected to the second connecting part (18), the first mounting groove (11) is provided in the third connecting part (17), and the first limiting protrusion (15) and the second limiting protrusion (16) are provided in the second connecting part (18); the third connecting part (17) and the second connecting part (18) are connected by a plurality of supporting ribs (171), a first hollow hole (172) exists between the plurality of supporting ribs (171), and the supporting ribs (171) have a second hollow hole (173); the shape of the first hollow hole (172) is different from the shape of the second hollow hole (173).

7. The wheel hub of the toy car according to claim 6, characterized in that, The hub body (1) includes a main body part (19). One side of the hub body (1) also has a first annular protrusion (191), and the other side of the hub body (1) also has a second annular protrusion (192). The first annular protrusion (191) is connected to the surface of the main body part (19), and the second annular protrusion (192) is connected to the surface of the main body part (19). The first limiting protrusion (15) is connected to the surface of the first annular protrusion (191), and the second limiting protrusion (16) is connected to the surface of the second annular protrusion (192). The metal connector (2) has a second mounting groove (24), and the first mounting port (21) communicates with the second mounting groove (24). The inner wall of the first mounting groove (11) also has a first clearance opening (113).

8. A toy car, characterized in that, Includes the wheel hub of the toy car as described in any one of claims 1-7.

9. The toy car according to claim 8, characterized in that, It also includes a tire (3), which has a fitting opening (31) connected to the wheel hub body (1). The surface of the tire (3) has raised first anti-slip treads (32), second anti-slip treads (33), third anti-slip treads (34) and fourth anti-slip treads (35). The shapes of the first anti-slip treads (32), second anti-slip treads (33), third anti-slip treads (34) and fourth anti-slip treads (35) are different from each other. 4) and the fourth anti-slip pattern (35) are arranged sequentially from one side of the tire (3) to the other side; the first anti-slip pattern (32) includes a first anti-slip unit (321) and a second anti-slip unit (322), the first anti-slip unit (321) and the second anti-slip unit (322) are arranged symmetrically to each other, the first anti-slip unit (321) is a Z-shaped first anti-slip unit (321), and the second anti-slip unit (322) is a Z-shaped second anti-slip unit (322); the second anti-slip pattern (33) includes a third anti-slip unit (33) 1) A fourth anti-slip unit (332) and a fifth anti-slip unit (333), wherein the third anti-slip unit (331) and the fifth anti-slip unit (333) are located on both sides of the fourth anti-slip unit (332), and the fourth anti-slip unit (332) is located above the third anti-slip unit (331) and the fifth anti-slip unit (333). A third gap (334) exists between the third anti-slip unit (331), the fourth anti-slip unit (332), and the fifth anti-slip unit (333). The units (333) surround each other to form an arch-shaped second anti-slip pattern (33); the third anti-slip pattern (34) includes a plurality of 7-shaped sixth anti-slip units (341), and a fourth gap (342) exists between the plurality of 7-shaped sixth anti-slip units (341); the fourth anti-slip pattern (35) has the same shape as the first anti-slip pattern (32), and the second anti-slip pattern (33) and the third anti-slip pattern (34) are located between the first anti-slip pattern (32) and the fourth anti-slip pattern (35); the inner wall of the tire (3) has raised reinforcing ribs (36).

Images