Transmission mechanism and toy car

Abstract

The utility model discloses a transmission mechanism and a toy car. The transmission mechanism comprises a steering wheel seat. The steering wheel seat comprises a shell, a first bearing, a transmission part, a first gear and a second gear, the shell is provided with a cavity, the first bearing and the transmission part are both arranged in the cavity, the transmission part is provided with a bearing limiting plate and sleeved with the first bearing, and the two sides, in the thickness direction, of the first bearing are attached to the bearing limiting plate and the inner wall of the shell in a limiting mode respectively. The outer ring of the first bearing contacts with the inner wall of the shell, and the inner ring of the first bearing contacts with the bearing limiting plate. According to the transmission mechanism, the bearing limiting plate is arranged on the transmission part and abuts against the inner ring of the first bearing for limiting, and the shell of the steering wheel seat is also provided with a structure abutting against the outer ring of the first bearing for limiting. A bearing limiting structure does not need to be additionally arranged, and on the premise that the limiting stability of the first bearing is guaranteed, the internal structure design is reduced, and the needed space is saved. Therefore, the overall size of the steering shaft seat can be reduced, and the steering shaft seat can be applied to toy cars with smaller sizes.

Description

TECHNICAL FIELD

[0001] The utility model relates to a toy car technical field, concretely relates to a transmission mechanism and toy car. BACKGROUND

[0002] The toy car mainly includes front drive type and rear drive type, and no matter which type sets up the transmission mechanism of the transfer motor at the driving wheel. The transmission mechanism mainly includes C seat, steering wheel seat, input shaft and output shaft, wherein, the steering wheel seat mainly includes shell, bearing, transmission part and gear. The bearing plays the role of supporting the input shaft and preventing the input shaft from rubbing with the shell. The shell of the current steering wheel seat is provided with a special bearing seat supporting the bearing, and also provided with bearing limiting structure located on both sides of the bearing seat, the structure design is complex, and occupies large space. The overall volume of the steering axle seat is large, which cannot be applied to small volume toy cars, and the production and assembly are time-consuming.

[0003] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem of overcoming the defects of the prior art, and provides a transmission mechanism and a toy car to solve the above problems.

[0005] The application provides the following technical scheme:

[0006] The first purpose of the application is to provide a transmission mechanism, which comprises:

[0007] C seat;

[0008] Steering wheel seat, the steering wheel seat includes shell, first bearing, transmission part, first gear, second gear, the shell is rotatably connected to the C seat, the shell has a cavity and a communication port communicating with the cavity, the first bearing, the first gear, the second gear and the transmission part are all arranged in the cavity, the first gear and the second gear are engaged, the transmission part is drivingly connected with the first gear, the transmission part has a bearing limiting plate, the first bearing is sleeved on the transmission part, the first bearing is limited to be attached to the bearing limiting plate and the inner wall of the shell along the thickness direction, the outer ring of the first bearing contacts the inner wall of the shell, and the inner ring of the first bearing contacts the bearing limiting plate;

[0009] Input shaft, the input shaft is connected to the transmission part through the communication port;

[0010] Output shaft, the output shaft is connected to the second gear.

[0011] Optionally, the shell has a main shell and a flat shell part connected perpendicularly to the main shell;

[0012] The communication port is arranged on the flat shell part;

[0013] The first bearing is limited by the flat shell part and the bearing limiting plate along the thickness direction;

[0014] The outer circumferential surface of the first bearing is attached to the inner wall of the main shell.

[0015] Optionally, the first gear includes a first gear part and a first stop edge located on one side of the first gear part along the thickness direction;

[0016] The second gear includes a second gear part and a second stop edge located on one side of the second gear part along the thickness direction;

[0017] The first gear part and the second gear part are engaged with each other;

[0018] The first stop edge is located on the side of the second gear part away from the second stop edge, and the second stop edge is located on the side of the first gear part away from the first stop edge.

[0019] Optionally, the transmission member includes a sleeve and a flat shaft;

[0020] The bearing limiting plate is located between the sleeve and the flat shaft;

[0021] The sleeve has a ball groove;

[0022] The input shaft end part is provided with a ball head, and the ball head is movably connected to the ball groove;

[0023] The first gear has a flat groove, and the flat shaft end part is inserted into the flat groove.

[0024] Optionally, the transmission mechanism includes a second bearing;

[0025] The second bearing is arranged in the cavity, and the second bearing is located on the side of the second gear away from the bearing limiting plate;

[0026] The flat shaft is inserted into the inner side of the inner ring of the second bearing.

[0027] Optionally, the transmission mechanism includes a third bearing and a fourth bearing;

[0028] The third bearing and the fourth bearing are both located in the cavity;

[0029] The second gear is located between the third bearing and the fourth bearing, the output shaft passes through the third bearing and the fourth bearing, and the output shaft is connected to the second gear.

[0030] The first purpose of the present application is to provide a toy car, which comprises:

[0031] frame;

[0032] an axle body arranged on the frame, and the axle body is provided with the transmission mechanism as described above on both sides.

[0033] Optionally, the toy comprises a steering rudder and a steering connecting rod.

[0034] The steering connecting rod is connected to the steering wheel seat on both sides of the frame.

[0035] The steering rudder is arranged on the axle body.

[0036] The output end of the steering rudder is connected with a rudder arm, and the rudder arm is connected to the steering connecting rod.

[0037] Optionally, the toy vehicle comprises a rudder seat.

[0038] The rudder seat is fixed on the axle body by fasteners.

[0039] The rudder is fixed on the rudder seat by fasteners.

[0040] Optionally, the toy vehicle comprises a steering rudder and a steering connecting rod.

[0041] The steering connecting rod is connected to the steering wheel seat on both sides of the frame.

[0042] The steering rudder is arranged on the frame, and the output end of the steering rudder is connected with a rudder arm, and the rudder arm is connected to the steering wheel seat.

[0043] By adopting the above technical scheme, the present application has the following beneficial effects:

[0044] The transmission mechanism of the present application, wherein the transmission part in the steering wheel seat is provided with a bearing limiting plate, which can support the first bearing and cooperate with the inner ring of the first bearing for abutting limiting, and the shell of the steering wheel seat is also provided with a structure for limiting the outer ring of the first bearing. Therefore, it is not necessary to additionally arrange a bearing limiting structure in the steering wheel seat, and the internal structure design can be reduced and the required space can be saved under the premise of ensuring the stable limiting of the first bearing. Thus, the overall volume of the steering axle seat can be reduced, the toy vehicle with smaller volume can be applied, and the assembly difficulty of the steering wheel seat is also reduced. BRIEF DESCRIPTION OF DRAWINGS

[0045] The accompanying drawings, which are part of the present application, serve to further understand the present application, and the schematic embodiments of the present application and the descriptions thereof serve to explain the present application but do not constitute improper limitation on the present application. Obviously, the drawings described below are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.

[0046] Figure 1 A structural schematic view of the transmission mechanism provided for the first embodiment of the present application is shown in the figure.

[0047] Figure 2 A sectional structural schematic view of the transmission mechanism provided for the first embodiment of the present application is shown in the figure.

[0048] Figure 3 An exploded structural schematic view of the transmission mechanism provided for the first embodiment of the present application is shown in the figure.

[0049] Figure 4 A structural schematic view of the transmission member provided for the first embodiment of the present application is shown in the figure.

[0050] Figure 5 A matching structural schematic view of the first gear and the second gear of the transmission mechanism provided for the first embodiment of the present application is shown in the figure.

[0051] Figure 6 A structural schematic view of the matching of the transmission mechanism, the axle body and the steering connecting rod of the toy car provided for the second embodiment of the present application is shown in the figure.

[0052] Figure 7 An exploded structural schematic view of the matching of the transmission mechanism, the axle body and the steering connecting rod of the toy car provided for the second embodiment of the present application is shown in the figure.

[0053] Figure 8 An internal structural schematic view of the toy car connected by the first mode of the steering engine provided for the second embodiment of the present application is shown in the figure.

[0054] Figure 9 An exploded internal structural schematic view of the toy car connected by the first mode of the steering engine provided for the second embodiment of the present application is shown in the figure.

[0055] Figure 10 An internal structural schematic view of the toy car connected by the second mode of the steering engine provided for the second embodiment of the present application is shown in the figure.

[0056] Figure 11 An exploded internal structural schematic view of the toy car connected by the second mode provided for the second embodiment of the present application is shown in the figure.

[0057] In the figure: C seat 1, steering wheel seat 2, shell 21, main shell 211, flat shell part 212, first bearing 22, transmission 23, bearing limiting plate 231, sleeve 232, flat shaft 233, first gear 24, first gear part 241, first retaining edge 242, flat groove 243, second gear 25, second gear part 251, second retaining edge 252, second bearing 26, third bearing 27, fourth bearing 28, input shaft 3, ball head 31, output shaft 4, vehicle frame 5, axle body 6, steering engine 7, steering connecting rod 8, steering engine arm 9, steering engine seat 10. DETAILED DESCRIPTION

[0058] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments will be described clearly and completely below with reference to the drawings in the embodiments of the present application. The following embodiments are used to illustrate the present application, but are not used to limit the scope of the present application.

[0059] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0060] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0061] Embodiment 1: see Figures 1 to 5As shown, the embodiment provides a transmission mechanism, which comprises a C seat 1, a steering wheel seat 2, an input shaft 3 and an output shaft 4. The steering wheel seat 2 comprises a shell 21, a first bearing 22, a transmission member 23, a first gear 24 and a second gear 25, the shell 21 is rotatably connected to the C seat 1, the shell 21 has a cavity and a communication port communicating with the cavity, the first bearing 22, the first gear 24, the second gear 25 and the transmission member 23 are all arranged in the cavity, the first gear 24 and the second gear 25 are engaged, the transmission member 23 is drivingly connected to the first gear 24, the transmission member 23 has a bearing limiting plate 231, the first bearing 22 is sleeved on the transmission member 23, the first bearing 22 is limited to be attached to the bearing limiting plate 231 and the inner wall of the shell 21 on both sides in the thickness direction respectively, the outer ring of the first bearing 22 contacts the inner wall of the shell 21, and the inner ring of the first bearing 22 contacts the bearing limiting plate 231. The input shaft 3 is connected to the transmission member 23 through the communication port, and the output shaft 4 is connected to the second gear 25.

[0062] The transmission mechanism of the application, wherein the bearing limiting plate 231 is arranged on the transmission member 23 in the steering wheel seat 2, that is, the first bearing 22 can be supported, and the inner ring of the first bearing 22 is abutted and limited in position, and the shell 21 of the steering wheel seat 2 is also provided with a structure for limiting the outer ring of the first bearing 22 in position. Therefore, it is not necessary to additionally arrange a bearing limiting structure in the steering wheel seat 2, the internal structure design can be reduced under the premise of ensuring the stable limiting of the first bearing 22, the required space is saved, the overall volume of the steering shaft seat can be reduced, the transmission mechanism can be applied to a toy car with smaller volume, and the assembly difficulty of the steering wheel seat 2 is reduced.

[0063] Wherein, the first gear 24 and the second gear 25 are arranged longitudinally, the second gear 25 is located at the lower position, the input shaft 3 is drivingly connected to the first gear 24, and the second gear 25 is drivingly connected to the output gear. The double-gear arrangement can raise the car bottom, increase the distance between the car bottom and the ground, make the car body pass over larger-sized obstacles, and make the toy car have better passability.

[0064] In some possible implementation forms, the housing 21 has a main shell 211 and a flat shell portion 212 connected perpendicularly to the main shell 211. The communication port is formed in the flat shell portion 212. The first bearing 22 is limited in the thickness direction by the flat shell portion 212 and the bearing limiting plate 231 respectively, and the outer circumferential surface of the first bearing 22 is attached to the inner wall of the main shell 211. The flat shell extends outwardly and abuts against the outer circumferential surface of the first bearing 22, and the bearing limiting plate 231 extends inwardly and abuts against the inner circumferential surface of the first bearing 22, which is simple in structure, saves space, ensures stable position of the bearing, and does not affect rotation of the first bearing 22. The main shell 211 and the flat shell portion 212 enclose the cavity.

[0065] In some possible implementation forms, the first gear 24 includes a first gear portion 241 and a first stop edge 242 located on one side of the first gear portion 241 in the thickness direction. The second gear 25 includes a second gear portion 251 and a second stop edge 252 located on one side of the second gear portion 251 in the thickness direction. The first gear portion 241 and the second gear portion 251 are engaged, the first stop edge 242 is limited on the side of the second gear portion 251 away from the second stop edge 252, and the second stop edge 252 is limited on the side of the first gear portion 241 away from the first stop edge 242. The first gear portion 241 is limited between the first stop edge 242 and the second stop edge 252, and the second gear portion 251 is also limited between the first stop edge 242 and the second stop edge 252, without other limiting structures, which can ensure stable engagement of the first gear 24 and the second gear 25 using very small space, further saves space in the steering wheel seat 2, and further reduces the volume of the steering wheel seat 2.

[0066] In some possible implementation forms, the transmission member 23 includes a sleeve 232 and a flat shaft 233, and the bearing limiting plate 231 is located between the sleeve 232 and the flat shaft 233. The sleeve 232 has a ball groove, the input shaft 3 is provided with a ball head 31 at the end, the ball head 31 is movably connected to the ball groove, the first gear 24 has a flat groove 243, and the flat shaft 233 is inserted into the flat groove 243 at the end. The sleeve 232 is connected to the ball head 31 of the input shaft 3 through the ball groove, so that the input shaft 3 can stably drive the sleeve 232 to rotate, but does not affect steering. The flat shaft 233 of the transmission member 23 cooperates with the flat groove 243 of the first gear 24, so that the transmission member 23 can stably drive the first gear 24 to rotate.

[0067] In some possible embodiments, the transmission mechanism comprises a second bearing 26, which is arranged in the cavity and located on the side of the second gear 25 away from the bearing limiting plate 231, and the flat shaft 233 is inserted into the inner side of the inner ring of the second bearing 26. The second bearing 26 cooperates with the first bearing 22 to support the first gear 24 and ensure stable rotation of the first gear 24.

[0068] In some possible embodiments, the transmission mechanism comprises a third bearing 27 and a fourth bearing 28. The third bearing 27 and the fourth bearing 28 are both arranged in the cavity, the second gear 25 is located between the third bearing 27 and the fourth bearing 28, the output shaft 4 passes through the third bearing 27 and the fourth bearing 28, and the output shaft 4 is connected to the second gear 25. The third bearing 27 and the fourth bearing 28 cooperate with the first gear 24 to support the second gear 25 and ensure stable rotation of the second gear 25.

[0069] Embodiment 2: Refer to Embodiment 1 Figures 1 to 11 As shown, on the basis of Embodiment 1, the embodiment 2 of the present application provides a toy car, which comprises a frame 5 and a bridge body 6, the bridge body 6 is arranged on the frame 5, and the bridge body 6 is provided with the transmission mechanism as described in Embodiment 1 on both sides. The C seat 1 is rotatably connected to the bridge body 6. The input shaft 3 penetrates into the bridge body 6 and is in transmission connection with the motor, which rotates under the driving of the motor.

[0070] The toy car provided in the embodiment uses the transmission mechanism of Embodiment 1. The transmission member 23 in the steering wheel seat 2 is provided with a bearing limiting plate 231, which can support the first bearing 22 and abut against the inner ring of the first bearing 22 for limiting position. The shell 21 of the steering wheel seat 2 is also provided with a structure for abutting against and limiting the position of the outer ring of the first bearing 22. Therefore, it is not necessary to additionally arrange a bearing limiting structure in the steering wheel seat 2, and the internal structure design can be reduced under the premise of ensuring stable limiting of the first bearing 22, thereby saving the required space. Thus, the overall volume of the steering shaft seat can be reduced. In this way, the frame 5 with a follow-up foot and the smaller bridge body 6 can be designed, and a toy car with a smaller volume can be produced.

[0071] In the embodiment, the C seat 1 is installed on the bridge column by two screws, and two through holes are left on the C seat 1, which can allow the steering wheel seat 2 to be installed by special step screws and can be moved. When the steering engine 7 controls the movement of the steering engine arm 9 through the steering connecting rod 8 or the steering pull rod, the purpose of left and right steering is achieved.

[0072] In some possible embodiments, the steering engine 7 has two installation modes. In a first connection mode of the steering engine 7, the toy vehicle comprises the steering engine 7 and a steering connecting rod 8, the two ends of the steering connecting rod 8 are respectively connected to the steering wheel seats 2 on the two sides of the vehicle frame 5, the steering engine 7 is arranged on the vehicle bridge body 6, and the output end of the steering engine 7 is connected with a steering engine arm 9, and the steering engine arm 9 is connected to the steering connecting rod 8.

[0073] Further, the toy vehicle comprises a steering engine seat 10, the steering engine seat 10 is fixed on the vehicle bridge body 6 through fasteners. The steering engine 7 is fixed on the steering engine seat 10 through fasteners. The steering engine 7 is above the vehicle bridge, the steering engine 7 is fixed on the steering engine seat 10 through screws, the steering engine seat 10 is installed on the vehicle bridge and fixed through screws, one end of the steering engine arm 9 is fixed on the steering engine 7, and the other end is fixed on the steering connecting rod 8, and the steering engine 7 turns through controlling the movement of the steering engine arm 9.

[0074] In the first connection mode of the steering engine 7, the toy vehicle comprises the steering engine 7 and a steering connecting rod 8. The two ends of the steering connecting rod 8 are respectively connected to the steering wheel seats 2 on the two sides of the vehicle frame 5, the steering engine 7 is arranged on the vehicle frame 5, the output end of the steering engine 7 is connected with a steering engine arm 9, and the steering engine arm 9 is connected to one of the steering wheel seats 2. The steering engine 7 is installed on the vehicle frame 5, the steering engine 7 is fixed on the steering engine seat 10 through screws, the steering engine seat 10 is installed on the vehicle frame 5 and fixed through screws, one end of the steering engine arm 9 is fixed on the steering engine 7, and the other end is fixed on the steering connecting rod, the other end of the steering connecting rod is fixed on one end of the steering mechanism, the steering is synchronized through the steering connecting rod 8, and the steering engine 7 turns through controlling the movement of the steering engine arm 9.

[0075] The two connection modes of the steering engine 7 can be selected according to different vehicle models, different control modes and the like.

[0076] The preferred embodiments disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of the present application. The embodiments are selected and described in detail in order to better explain the principles and practical applications of the present application, so that those skilled in the art can well understand and utilize the present application. The present application is limited by the claims and their full scope and equivalents.

Claims

1. A transmission mechanism, characterized by, The transmission mechanism comprises: a C-shaped seat; a steering wheel seat, the steering wheel seat comprising a housing, a first bearing, a transmission member, a first gear, a second gear, the housing being rotatably connected to the C-shaped seat, the housing having a cavity and a communication port communicating with the cavity, the first bearing, the first gear, the second gear and the transmission member being arranged in the cavity, the first gear and the second gear being engaged, the transmission member being drivingly connected to the first gear, the transmission member having a bearing limiting plate, the first bearing being sleeved on the transmission member, the first bearing being limited and fitted on the bearing limiting plate and the inner wall of the housing in the thickness direction respectively, the outer ring of the first bearing contacting the inner wall of the housing, the inner ring of the first bearing contacting the bearing limiting plate; an input shaft, the input shaft being connected to the transmission member through the communication port; an output shaft, the output shaft being connected to the second gear.

2. The transmission mechanism of claim 1, wherein The housing has a main shell and a flat shell part perpendicularly connected to the main shell; the communication port is formed on the flat shell part; the first bearing is limited on the flat shell part and the bearing limiting plate in the thickness direction respectively; the outer peripheral surface of the first bearing is fitted on the inner wall of the main shell.

3. The transmission mechanism of claim 2, wherein The first gear comprises a first gear part and a first stop edge on one side of the first gear part in the thickness direction; The second gear comprises a second gear part and a second stop edge on one side of the second gear part in the thickness direction; The first gear part and the second gear part are engaged; The first stop edge is limited on the side of the second gear part away from the second stop edge, and the second stop edge is limited on the side of the first gear part away from the first stop edge.

4. The transmission mechanism of claim 3, wherein The transmission member comprises a sleeve and a flat shaft; The bearing limiting plate is located between the sleeve and the flat shaft; The sleeve has a ball groove; The input shaft end is provided with a ball head, and the ball head is movably connected to the ball groove; The first gear has a flat groove, and the flat shaft end is inserted into the flat groove.

5. The transmission mechanism of claim 4, wherein The transmission mechanism comprises a second bearing; The second bearing is arranged in the cavity, and the second bearing is located on the side of the second gear away from the bearing limiting plate; The flat shaft is inserted into the inner side of the inner ring of the second bearing.

6. The transmission mechanism of claim 5, wherein The transmission mechanism comprises a third bearing and a fourth bearing; The third bearing and the fourth bearing are both located in the cavity; The second gear is located between the third bearing and the fourth bearing, the output shaft is arranged through the third bearing and the fourth bearing, and the output shaft is connected to the second gear.

7. A toy vehicle characterized by The transmission mechanism comprises: a vehicle frame; a vehicle axle body, the vehicle axle body being arranged on the vehicle frame, and the vehicle axle body being provided with the transmission mechanism on both sides thereof, the transmission mechanism being any one of claims 1-6.

8. The toy vehicle of claim 7, wherein, The transmission mechanism comprises a steering engine and a steering connecting rod; The steering connecting rod is connected to the steering wheel seat on both sides of the vehicle frame respectively; The steering engine is arranged on the vehicle axle body; The output end of the steering engine is connected with an engine arm, and the engine arm is connected to the steering connecting rod.

9. The toy vehicle of claim 8, wherein, The transmission mechanism comprises an engine seat; The engine seat is fixed to the vehicle axle body by fasteners; The steering engine is fixed to the engine seat by fasteners.

10. The toy vehicle of claim 7, wherein, The transmission mechanism comprises a steering engine and a steering connecting rod; The turning connecting rod is connected with the turning wheel seat on both sides of the frame respectively; The steering engine is arranged on the frame, and the output end of the steering engine is connected with the steering engine arm, and the steering engine arm is connected with the turning wheel seat.

Images