A toy vehicle

Abstract

The application discloses a toy car, which comprises a frame, a front wheel assembly, a rear wheel assembly, a direction rod extending in the up-down direction, a steering wheel arranged at the upper part of the direction rod, and a clutch device arranged between the direction rod and the steering wheel, wherein the direction rod is rotatably arranged on the frame around a rotation center line extending in the up-down direction, the front wheel assembly comprises a front wheel rotatably arranged at the lower part of the direction rod around a front wheel shaft extending in the left-right direction, and the clutch device has switchable engagement and separation states. The toy car has simple structure, and when a driver uses the toy car, the engagement and separation states of the clutch device can be switched, so that the toy car can be controlled in direction through the steering wheel during driving or can automatically drive and automatically avoid obstacles during driving to continue driving, which increases the use mode and play mode and enhances the interestingness of use.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of children's products, in particular to a toy vehicle. BACKGROUND

[0002] Children's toy vehicles are used as both toys and means of transportation for children, and are used more and more widely. The structures of children's toy vehicles on the market are various, whether electric or non-electric, in order to enhance the use interest of the toy vehicles, the front wheel assembly is usually provided with a steering function, so that the child can travel forward when riding and turn left or right when operating the direction lever. At present, the use mode of children's toy vehicles is relatively single, and the use interest is general. SUMMARY

[0003] The purpose of the present application is to provide a new toy vehicle.

[0004] To achieve the above purpose, the technical scheme adopted by the present application is:

[0005] A toy vehicle, comprising a vehicle frame, a front wheel assembly arranged at the bottom front part of the vehicle frame, and a rear wheel assembly arranged at the bottom rear part of the vehicle frame, the toy vehicle further comprising a direction lever extending in the up-down direction, a steering wheel arranged at the upper part of the direction lever, and a clutch device arranged between the direction lever and the steering wheel, wherein the direction lever is rotatably arranged on the vehicle frame about a rotation center line extending in the up-down direction, the front wheel assembly comprises a front wheel, the front wheel is rotatably arranged at the lower part of the direction lever about a front wheel shaft extending in the left-right direction, the toy vehicle further comprises a driving device for driving the front wheel to rotate about the front wheel shaft, the driving device comprises a driving member with an output shaft, and a transmission assembly arranged between the output shaft and the front wheel shaft, the driving member is fixedly arranged at the lower part of the direction lever, the axis of the output shaft extends in the front-rear direction, the transmission assembly comprises a first gear fixedly arranged on the output shaft, a second gear fixedly arranged at the lower part of the direction lever, and a third gear fixedly arranged on the front wheel shaft, the first gear and the second gear are arranged in meshing relationship with each other, and the second gear and the third gear are arranged in meshing relationship with each other, wherein the first gear, the second gear and the third gear are all conical gears.

[0006] Preferably, the direction lever comprises a rod body extending in the up-down direction, and a mounting seat fixedly arranged at the lower part of the rod body, the second gear is arranged at the lower part of the rod body, the front wheel shaft is rotatably arranged on the mounting seat about its axis, the front wheel assembly has two groups of the front wheels, the mounting seat is located between the two groups of the front wheels, and the driving member is fixedly arranged on the mounting seat.

[0007] In some embodiments, the mounting base has a receiving space, and the first gear, the second gear and the third gear are received in the receiving space.

[0008] In some embodiments, a limiting structure is further arranged between the direction rod and the frame for limiting the rotation angle range of the direction rod, wherein the limiting structure comprises a limiting member fixedly arranged on the frame, the limiting member is annular and sleeved on the outer side of the direction rod, the inner side wall of the limiting member has a limiting protrusion extending radially inward, and the direction rod has a limiting boss extending radially outward and capable of abutting against the limiting protrusion in the rotation path.

[0009] In some embodiments, the rear wheel assembly has two groups arranged on the left and right sides respectively, and the rear wheel assembly is a universal wheel assembly, the universal wheel assembly is rotatably connected to the bottom of the frame about a universal shaft, and the axis of the universal shaft extends gradually downward from front to back.

[0010] In some embodiments, the rotation center line extends in the vertical direction.

[0011] Preferably, the steering wheel is rotatably mounted on the upper portion of the direction rod about the rotation center line, the clutching device has switchable engagement and separation states, when the clutching device is in the engagement state, the steering wheel and the direction rod can be synchronously rotated about the rotation center line to control the steering of the front wheel assembly, and when the clutching device is in the separation state, the steering wheel can be rotatably arranged relative to the direction rod.

[0012] In some embodiments, the clutching device comprises a clutching member arranged on one of the direction rod and the steering wheel in relative axial movement, and a clamping groove arranged on the other of the direction rod and the steering wheel and capable of being fittedly inserted by the clutching member in the up-down direction, the clutching device has switchable engagement and separation states, when the clutching device is in the engagement state, the clutching member is fittedly inserted in the clamping groove, and the steering wheel cannot be rotated relative to the direction rod, and when the clutching device is in the separation state, the clutching member is separated from the clamping groove, and the steering wheel can be rotated relative to the direction rod.

[0013] In some embodiments, the clutch device further includes a fixed seat fixedly disposed on the steering rod or the steering wheel, the clutch element being slidably disposed on the fixed seat in a vertical direction, and the clutch device further includes a rotating ring rotatably disposed on the outer periphery of the fixed seat, and a drive structure is provided between the rotating ring and the clutch element for driving the clutch element to move up and down when the rotating ring rotates.

[0014] In some embodiments, the fixed seat is annular and fixedly sleeved on the steering rod or the steering wheel. The outer periphery of the fixed seat is provided with a groove extending in the vertical direction. The clutch is slidably disposed in the groove in the vertical direction. The clutch is located on the circumferential inner side of the rotating ring. The driving structure includes a wedge-shaped surface disposed on the outer periphery of the clutch and a driving inclined surface disposed on the inner peripheral wall of the rotating ring. The wedge-shaped surface and the driving inclined surface both extend obliquely in the vertical direction and are disposed in cooperation with each other.

[0015] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art: The toy car of the present invention has a simple structure. When the driver sits on the seat of the toy car, he can switch the engagement and disengagement states of the clutch device so that the toy car can be controlled by the steering wheel during driving, or can drive automatically and avoid obstacles during driving. Compared with traditional toy cars, this increases the ways of use and play, and enhances the fun of use. Attached Figure Description

[0016] Appendix Figure 1 This is a schematic diagram of the three-dimensional structure of a toy car according to a specific embodiment of the present invention. Figure 1 ;

[0017] Appendix Figure 2 For the appendix Figure 1 3D structural diagram of a toy car Figure 2 ;

[0018] Appendix Figure 3 For the appendix Figure 1 A side view diagram of the toy car;

[0019] Appendix Figure 4 For the appendix Figure 1 A schematic diagram of the main structure of a toy car;

[0020] Appendix Figure 5 For the appendix Figure 1 A top-view structural diagram of a toy car;

[0021] Appendix Figure 6 For the appendix Figure 1 Schematic diagram of the internal structure between the front wheel assembly, drive mechanism and steering rod in a toy carFigure 1 ;

[0022] attached Figure 7 for the attached Figure 1 to the internal structure of the front wheel assembly, driving device and steering rod in the toy car Figure 2 ;

[0023] attached Figure 8 for the attached Figure 1 to the structural exploded view of the clutch device, limiting member and steering wheel in the toy car

[0024] attached Figure 9 for the attached Figure 1 to the internal structure of the clutch device in the toy car

[0025] attached Figure 10 for the attached Figure 4 to the cross-sectional structure along A-A in the attached

[0026] attached Figure 11 for the attached Figure 4 to the cross-sectional structure along A-A in the attached

[0027] Wherein: 1, frame; 11, chassis frame; 12, stand; 13, seat frame; 2, steering rod; 21, rod body; 22, mounting seat; 3, steering wheel; 31, clamping groove; 4, clutch device; 41, rotating ring; 42, fixing seat; 421, limiting boss; 43, clutch member; 431, wedge surface; 5, limiting member; 51, lower ring body; 52, upper ring body; 53, positioning boss; 54, limiting protrusion; 6, driving device; 61, driving member; 61a, output shaft; 62, first gear; 63, second gear; 64, third gear; 7, front wheel assembly; 71, front wheel; 72, front wheel shaft; 8, rear wheel assembly; 81, universal wheel; 82, universal shaft; 9, seat. DETAILED DESCRIPTION

[0028] The technical solutions of the present application will be further described below in combination with the drawings and specific embodiments.

[0029] Referring to Figures 1 to 9A toy vehicle is shown, which comprises a vehicle frame 1, a seat 9 arranged on the vehicle frame 1, a front wheel assembly 7 arranged at the bottom front part of the vehicle frame 1, and a rear wheel assembly 8 arranged at the bottom rear part of the vehicle frame 1. The toy vehicle further comprises a direction rod 2 extending in the up-down direction, a steering wheel 3 arranged at the upper part of the direction rod 2, and a clutch device 4 arranged between the direction rod 2 and the steering wheel 3, wherein the direction rod 2 is rotatably arranged on the vehicle frame 1 about a rotation center line X extending in the up-down direction, and the front wheel assembly 7 comprises a front wheel 71 rotatably arranged at the lower part of the direction rod 2 about a front wheel shaft 72 extending in the left-right direction.

[0030] The clutch device 4 has switchable engagement and disengagement states. When the clutch device 4 is in the engagement state, the steering wheel 3 and the direction rod 2 can synchronously rotate about the rotation center line X, so that a user can control the steering of the front wheel assembly 7 by rotating the direction rod 2 through steering the steering wheel 3. When the clutch device 4 is in the disengagement state, the steering wheel 3 can rotate relative to the direction rod 2, so that the steering of the front wheel assembly 7 cannot be controlled by steering the steering wheel 3. In this state, the front wheel assembly 7 as a whole can rotate about the rotation center line X of the direction rod 2 during the driving of the toy vehicle, and substantially forms a universal wheel. When the toy vehicle encounters an obstacle during driving, the front wheel assembly 7 can automatically rotate about the rotation center line X to forcibly change the driving direction, so that the toy vehicle can avoid the obstacle and continue driving.

[0031] Referring to the drawings, the toy vehicle further comprises a driving device 6 for driving the front wheel 71 to rotate about the front wheel shaft 72 to drive the toy vehicle to automatically drive. The driving device 6 comprises a driving member 61 having an output shaft 61a for outputting power, and a transmission assembly arranged between the output shaft 61a and the front wheel shaft 72. The driving member 61 is fixedly arranged at the lower part of the direction rod 2. During the steering of the front wheel assembly by rotating the direction rod 2 about the rotation center line X, the driving member 61 synchronously rotates with the direction rod 2, and the transmission assembly always maintains the power transmission between the output shaft 61a and the front wheel shaft 72.

[0032] Specifically, the axis line of the output shaft 61a extends in the front-rear direction, and the axis line of the output shaft 61a, the axis line of the front wheel shaft 72, and the rotation center line X of the direction rod 2 are perpendicularly arranged two by two. The transmission assembly comprises a first gear 62 fixedly arranged on the output shaft 61a, a second gear 63 fixedly arranged at the lower part of the direction rod 2, and a third gear 64 fixedly arranged on the front wheel shaft 72. The first gear 62, the second gear 63, and the third gear 64 are all conical gears, and the first gear 62 and the second gear 63 are arranged in meshing relationship, and the second gear 63 and the third gear 64 are arranged in meshing relationship.

[0033] Referring to Figure 1 ,Figure 2 and Figure 6 、 Figure 7 As shown in the drawings, the direction lever 2 comprises a lever body 21 extending along the up-down direction, and a mounting seat 22 fixedly arranged at the lower part of the lever body 21, wherein the mounting seat 22 is in the shape of a U-shaped frame with an opening facing downward, and a containing space is formed in the interior of the mounting seat 22. The front wheel shaft 72 is rotatably arranged on the mounting seat 22 around the axis line of the front wheel shaft 72, and the front wheel assembly 7 has two groups of front wheels 71, which are respectively arranged on the two shaft end parts of the front wheel shaft 72, and the mounting seat 22 is located between the two groups of front wheels 71. The second gear 63 is fixedly arranged at the lower part of the lever body 21, and the first gear 62, the second gear 63 and the third gear 64 are all located in the above-mentioned containing space of the mounting seat 22. The driving member 61 is fixedly arranged on the mounting seat 22.

[0034] As shown in the drawings, the frame 1 comprises a chassis 11 located at the lower part, a stand 12 extending along the vertical direction and located at the front part of the chassis 11, and a seat 13 higher than the chassis 11, wherein the seat 9 is arranged at the rear part of the seat 13, the lever body 21 of the direction lever 2 is rotatably arranged in the stand 12 around the axis line of the lever body 21, i.e. the rotation center line X extends along the vertical direction, and the mounting seat 22 is located below the stand 12 and connected with the front wheel assembly 7. The chassis 11 is in the shape of a disc, and the front wheel assembly 7 and the rear wheel assembly 8 are both located at the inner side of the periphery of the disc-shaped chassis 11. The rear wheel assembly 8 is arranged in two groups located at the left and right sides, and both groups of the rear wheel assembly 8 are universal wheel assemblies, each of which comprises a universal wheel 81 rotatably connected to the bottom of the frame 1 around a universal shaft 82, and the axis line of the universal shaft 82 gradually inclines downward from front to back.

[0035] As shown in the drawings, the steering wheel 3 is rotatably arranged at the top of the direction lever 2 around the rotation center line X, and the clutch device 4 comprises a clutch member 43 arranged on the direction lever 2 in the state of being capable of moving along the axial direction, and the steering wheel 3 is provided with a clamping groove 31 capable of being matchedly inserted by the clutch member 43 along the up-down direction, when the clutch device 4 is in the engaged state, the clutch member 43 is matchedly inserted in the clamping groove 31 upward, so that the steering wheel 3 is fixed in the circumferential direction and cannot rotate relative to the direction lever 2; when the clutch device 4 is in the disengaged state, the clutch member 43 is disengaged from the clamping groove 31 downward, and at this time the steering wheel 3 can rotate relative to the direction lever 2.

[0036] In particular, as shown in the drawings, Figure 8 、 Figure 9As shown, the clutch device 4 further comprises a fixed seat 42 fixedly arranged on the direction rod 2, and a rotating ring 41 rotatably arranged on the outer circumferential portion of the fixed seat 42, and the clutch member 43 is arranged in a sliding fit manner on the fixed seat 42 along the up-down direction, and here, the outer circumferential portion of the fixed seat 42 is provided with a sliding groove extending along the up-down direction, and the clutch member 43 is arranged in a sliding fit manner in the sliding groove along the up-down direction. The clutch member 43 is located on the circumferential inner side of the rotating ring 41, and the driving structure for driving the clutch member 43 to move up and down when the rotating ring 41 rotates is arranged between the rotating ring 41 and the clutch member 43, and here, the driving structure comprises a wedge surface 431 arranged on the clutch member 43, and a driving inclined surface (not shown in the figure) arranged on the inner circumferential wall of the rotating ring 41, and the above-mentioned driving inclined surface and the wedge surface 431 are both inclined surfaces extending along the up-down direction, and they are matched with each other, and make the clutch member 43 move up and down during the rotation of the rotating ring 41 relative to the fixed seat 42 to realize the cooperation or disengagement of the clutch member 43 and the clamping groove 31, and further realize the switching of the clutch device 4 between the engaged state and the disengaged state.

[0037] Without showing the figure, in other embodiments, the clutch member 43 of the clutch device 4 and the clamping groove 31 can also be arranged in the following manner: the clutch member 43 is arranged in a relative movement manner along the axial direction of the direction rod 2 on the steering wheel 3, and the clamping groove 31 is arranged on the direction rod 2, and when the clutch member 43 moves up and down relative to the steering wheel 3, the cooperation or disengagement of the clutch member 43 and the clamping groove 31 can be realized, so as to switch the clutch device 4 between the engaged state and the disengaged state. The limiting structure for limiting the rotation angle range of the direction rod 2 is further arranged between the direction rod 2 and the frame 1, and in the embodiment, referring to Figure 8 、 Figure 9 The limiting structure comprises a limiting member 5 fixedly arranged on the frame 1, which is annular and sleeved on the outer circumferential portion of the direction rod 2, and the inner circumferential wall of the limiting member 5 has a limiting protrusion 54 extending radially inwardly, and the fixed seat 42 has a limiting boss 421 extending radially outwardly and protruding and capable of abutting to the limiting protrusion 54 on the rotating path.

[0038] Specifically, referring to Figure 8As shown, the limiting member 5 includes a lower ring body 51 and an upper ring body 52 connected in the up-down direction, the outer diameter of the lower ring body 51 is smaller than that of the upper ring body 52, the lower ring body 51 can be correspondingly and fittingly inserted in the stand 12, the rod body 21 of the direction lever 2 can be rotatably inserted in the limiting member 5 around the rotation center line X, the lower edge of the upper ring body 52 has a positioning boss 53 extending downward, the stand 12 is provided with a positioning groove for correspondingly and fittingly clamping the positioning boss 53, so that the limiting member 5 is fixed relative to the stand 12 when the positioning boss 53 is clamped in the positioning groove, in other embodiments, the limiting member 5 can also be integrally arranged with the stand 12. The limiting boss 54 is arranged on the inner side wall of the upper ring body 52, when the limiting boss 54 and the limiting boss 421 on the fixing seat 42 abut, the rotation of the direction lever 2 is limited, so that the direction lever 2 can only rotate within a certain angle range in the process of rotation, to ensure the safety and stability of use.

[0039] The working process of the present embodiment is specifically described as follows:

[0040] Referring to Figures 1 to 6 As shown, the child sits on the seat 9 when riding the toy car, the feet can be placed on the frame 1, the hands hold the steering wheel 3, and the toy car is driven to run by starting the driving member 61 to drive the front wheel assembly 7 to run in the running direction. The play of the toy car can be changed by switching the engagement state or the separation state of the clutch device 4 in the process of playing. Specifically, the clutch device 4 is switched to the engagement state, the steering wheel 3 can be synchronously rotated with the direction lever 2, at this time, the child can realize the steering of the front wheel assembly 7 by rotating the steering wheel 3, thereby controlling the running direction of the whole toy car. When the operating ring 41 is operated to switch the clutch device 4 to the separation state, the steering wheel 3 can be rotated relative to the direction lever 2, at this time, the steering of the front wheel assembly 10 cannot be controlled when the steering wheel 3 is operated. The toy car automatically runs under the driving of the driving device 6, when the toy car encounters an obstacle, the front wheel assembly 7 can be rotated by a certain angle around the rotation center line X of the direction lever 2 to change the running direction, so as to avoid the obstacle and make the toy car continue to run.

[0041] The above embodiments are only for illustrating the technical concept and characteristics of the present application, the purpose is to enable the person skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application, any equivalent changes or modifications made according to the spirit and essence of the present application should be covered in the protection scope of the present application.

Claims

1. A toy car, comprising a frame, a front wheel assembly disposed at the front of the bottom of the frame, and a rear wheel assembly disposed at the rear of the bottom of the frame, characterized in that: The toy car also includes a steering rod extending in a vertical direction, a steering wheel disposed on the upper part of the steering rod, and a clutch device disposed between the steering rod and the steering wheel. The steering rod is rotatably mounted on the frame about a rotation center line extending in the vertical direction. The front wheel assembly includes a front wheel, which is rotatably mounted on the lower part of the steering rod about a front axle extending in a left-right direction. The toy car also includes a drive device for driving the front wheel to rotate around the front wheel axle. The drive device includes a drive member with an output shaft and a transmission assembly disposed between the output shaft and the front wheel axle. The drive member is fixedly disposed at the lower part of the steering rod. The axis of the output shaft extends in the front-rear direction. The transmission assembly includes a first gear fixed on the output shaft, a second gear fixed at the lower part of the steering rod, and a third gear fixed on the front wheel axle. The first gear and the second gear are meshed with each other, and the second gear and the third gear are meshed with each other. The first gear, the second gear, and the third gear are all bevel gears.

2. The toy car according to claim 1, characterized in that: The steering rod includes a rod extending in a vertical direction and a mounting base fixed to the lower part of the rod. The second gear is mounted on the lower part of the rod. The front wheel axle is rotatably mounted on the mounting base about its own axis. The front wheel assembly has two sets of the aforementioned front wheels. The mounting base is located between the two sets of the aforementioned front wheels. The drive member is fixedly mounted on the mounting base.

3. The toy car according to claim 2, characterized in that: The mounting base has a receiving space, in which the first gear, the second gear and the third gear are all housed.

4. The toy car according to claim 1, characterized in that: A limiting structure for limiting the rotation angle range of the steering rod is also provided between the steering rod and the vehicle frame. The limiting structure includes a limiting member fixedly disposed on the vehicle frame. The limiting member is annular and sleeved on the outer periphery of the steering rod. The inner peripheral wall of the limiting member has a limiting protrusion extending radially inward. The steering rod has a limiting boss extending radially outward and capable of abutting against the limiting protrusion on the limiting protrusion in the rotation path.

5. The toy car according to claim 1, characterized in that: The rear wheel assembly has two sets located on the left and right sides. The rear wheel assembly is a swivel wheel assembly. The swivel wheel assembly is rotatably connected to the bottom of the frame around a swivel shaft. The axis of the swivel shaft gradually slopes downward from front to back.

6. The toy car according to claim 1, characterized in that: The rotation center line extends in the vertical direction.

7. The toy car according to claim 4, characterized in that: The steering wheel is rotatably mounted on the upper part of the steering stalk around the rotation center line. The clutch device has a switchable engaged state and a disengaged state. When the clutch device is in the engaged state, the steering wheel and the steering stalk can rotate synchronously around the rotation center line to control the steering of the front wheel assembly. When the clutch device is in the disengaged state, the steering wheel can be rotatably set relative to the steering stalk.

8. The toy car according to claim 7, characterized in that: The clutch device includes a clutch member disposed on one of the steering rod and the steering wheel, which is movable relative to the axial direction of the steering rod, and a slot disposed on the other of the steering rod and the steering wheel, into which the clutch member can be inserted in a vertical direction. The clutch device has a switchable engaged state and an disengaged state. When the clutch device is in the engaged state, the clutch member is inserted into the slot, and the steering wheel cannot rotate relative to the steering rod. When the clutch device is in the disengaged state, the clutch member disengages from the slot, and the steering wheel can rotate relative to the steering rod.

9. The toy car according to claim 8, characterized in that: The clutch device further includes a fixed seat fixedly mounted on the steering rod or the steering wheel, and the clutch element is slidably mounted on the fixed seat in the vertical direction. The clutch device also includes a rotating ring rotatably mounted on the outer periphery of the fixed seat, and a drive structure is provided between the rotating ring and the clutch element to drive the clutch element to move up and down when the rotating ring rotates.

10. The toy car according to claim 9, characterized in that: The fixed seat is annular and fixedly sleeved on the steering rod or the steering wheel. The outer periphery of the fixed seat is provided with a sliding groove extending in the vertical direction. The clutch is slidably disposed in the sliding groove in the vertical direction. The clutch is located on the circumferential inner side of the rotating ring. The driving structure includes a wedge-shaped surface disposed on the outer periphery of the clutch and a driving inclined surface disposed on the inner peripheral wall of the rotating ring. The wedge-shaped surface and the driving inclined surface both extend obliquely in the vertical direction and are disposed in cooperation with each other.

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