CN219687519U - Toy car and steering wheel assembly thereof - Google Patents

Abstract

The embodiment of the utility model provides a steering wheel assembly of a toy car, which comprises a rotary table, a traction rope mechanism and a locking piece, wherein the rotary table is correspondingly pivoted at the front end of a toy car frame, the traction rope mechanism is assembled on the rotary table, the traction rope mechanism comprises a rope winding shaft assembled on the rotary table, a traction rope with one end wound on the rope winding shaft and the other end assembled with a holding part, and a driving piece for driving the rope winding shaft to rotate and rewind the traction rope, the locking piece applies a clamping force with a preset size to the traction rope to stop winding the traction rope on the rope winding shaft, the locking piece comprises a base, a movable seat and an elastic piece, the base is movably assembled on the rotary table, the elastic piece is used for enabling the movable seat to move towards the base, the base and the movable seat are matched to clamp the locking traction rope, and an operating part for a user to apply force to enable the movable seat to be far away from the base is further arranged on the movable seat. According to the embodiment of the utility model, the traction rope is locked and rewound by clamping the locking piece and externally applying force to the operation part to unlock the locking piece, so that the traction rope is locked and rewound, and the traction rope locking device is simple in structure and convenient to operate.

Description

Toy car and steering wheel assembly thereof

Technical Field

The embodiment of the utility model relates to the technical field of toy vehicles, in particular to a toy vehicle and a steering wheel assembly thereof.

Background

Toy vehicles such as swing cars, scooter, children's exercise vehicles, etc. are often equipped with steering wheel assemblies to control the direction of travel of the vehicle. Existing steering wheel assemblies typically include a turntable pivotally connected to the front end of the toy vehicle frame by a corresponding connecting shaft, the turntable being manually rotated by a child while riding to control the direction of travel of the toy vehicle. Additionally, for safety reasons, existing steering wheel assemblies for toy vehicles are also often provided with pull cords to facilitate guardians in assisting in controlling the direction of travel of the toy vehicle.

However, the traction rope is scattered randomly when the traction rope is not pulled by a person, so that safety accidents are likely to be caused by winding wheels or feet of children, and a driving piece for driving the traction rope to rewind is connected to one end of the traction rope in actual production and used for automatically rewinding the traction rope which is not held by external force. However, the applicant found that, in the implementation, the guardian needs to overcome the rewinding force generated by the driving member at any time during the traction process, which is laborious and inconvenient in use; and the external acting force acts on the driving piece, so that the driving piece is easily damaged, and the service life is influenced.

Disclosure of Invention

The technical problem to be solved by the embodiment of the utility model is to provide a steering wheel assembly of a toy car, which can lock the stretching length of a traction rope when the traction rope is used.

The embodiment of the utility model further aims to solve the technical problem of providing a toy car, which can lock the stretching length of the traction rope when the traction rope is used.

In order to solve the technical problems, the embodiment of the utility model provides the following technical scheme: the steering wheel assembly of the toy car comprises a rotary table correspondingly pivoted at the front end of a frame of the toy car and a traction rope mechanism assembled on the rotary table, wherein the traction rope mechanism comprises a rope winding shaft assembled on the rotary table, a traction rope with one end wound on the rope winding shaft and the other end assembled with a holding part, and a driving piece used for driving the rope winding shaft to rotate so that the traction rope is wound on the rope winding shaft, the steering wheel assembly further comprises a locking piece arranged on the rotary table and between the rope winding shaft and the holding part and used for applying a clamping force with a preset magnitude to the traction rope to enable the traction rope to stop being wound on the rope winding shaft, and the locking piece comprises a base fixed relative to the rotary table, a movable seat movably assembled on the rotary table and an elastic piece used for applying elastic force to the movable seat to enable the movable seat to move towards the base direction, the traction rope passes through between the base and the movable seat and is further provided with a force application piece used for enabling the movable seat to be far away from the elastic seat by a user.

Further, the preset part of the movable seat is correspondingly pivoted on the turntable by means of a pivot, a rope pressing part and an operating part are respectively arranged at the position, deviating from the central axis of the pivot, of the movable seat, one end of the elastic piece is relatively fixed with the position, deviating from the central axis of the pivot, of the movable seat, and the other end of the elastic piece is relatively fixed with the turntable or the base.

Further, a sliding groove extending in a direction perpendicular to the base is formed in the position, facing the base, of the turntable, an opening is formed in one end of the sliding groove on the surface of the turntable, the movable seat is slidably arranged in the sliding groove, one end of the movable seat is exposed from the opening to form the operation portion, and the elastic piece is correspondingly assembled in the sliding groove, one end of the elastic piece is relatively fixed with the movable seat, and the other end of the elastic piece is relatively fixed with the turntable or the base.

Further, the movable seat is used for being matched with the base to clamp one side of the traction rope, and rope clamping teeth are further protruded out.

Further, the turntable comprises a shell, a through hole is formed in the side wall surface of one side of the shell, corresponding to the front of the toy car, the traction rope mechanism is arranged inside the shell, the traction rope penetrates through the through hole and stretches out of the shell, and the holding part is further provided with a stopping part which is matched with the through hole to prevent the traction rope from completely retracting into the shell.

Further, the base is arranged at the inner side of the through hole, the base is formed by integrally forming with the shell or is independently manufactured and assembled on the shell, and the base and the movable seat are both made of wear-resistant materials.

Further, a concave portion for accommodating the holding portion is formed on one side of the housing corresponding to the front of the toy car, the through hole is formed in the concave portion, and the shape of the holding portion is matched with that of the concave portion, so that the concave portion is correspondingly filled when the holding portion is correspondingly accommodated in the concave portion, and the appearance of the turntable is complete.

Further, the driving piece is a plane scroll spring, a connecting column extends out of the axis of the rope winding shaft along the axial direction of the axis, an opening slot is further formed in the free end of the connecting column, the plane scroll spring is sleeved on the connecting column, and the inner end of the plane scroll spring is used as a driving end to be clamped and abutted into the opening slot to be fixed relative to the rope winding shaft.

Further, the steering wheel assembly of the toy car further comprises a sound module arranged on the turntable, wherein the sound module comprises a power supply, a loudspeaker electrically connected with the power supply and one or more keys for controlling the loudspeaker to play preset syllables.

On the other hand, in order to solve the above technical problems, the embodiment of the present utility model provides the following solutions: the steering wheel assembly of the toy vehicle is any one of the steering wheel assemblies of the toy vehicle.

After the technical scheme is adopted, the embodiment of the utility model has at least the following beneficial effects: according to the embodiment of the utility model, the locking piece is arranged for applying the clamping force with the preset size to the traction rope so that the traction rope stops winding to the rope winding shaft against the rewinding force applied by the driving piece, the inconvenience in the use process caused by rewinding of the traction rope is prevented, the locking piece comprises the movable seat movably assembled on the turntable, the base relatively fixed with the turntable and the elastic piece, the elastic piece applies the elastic force to the movable seat so that the movable seat moves towards the base and is matched with the base so as to clamp and lock the traction rope, and the locking of the stretching length of the traction rope in the use process is realized; in addition, the movable seat is also provided with an operation part, a user can drive the movable seat to overcome the elasticity of the elastic piece to move in a direction away from the base by applying force to the operation part, so that the unlocking operation of the traction rope is realized, the traction rope is rewound onto the rope winding shaft by the acting force of the driving piece, and the user can conveniently recover the traction rope.

Drawings

Fig. 1 is a schematic overall perspective view of an alternate embodiment of a steering wheel assembly of a toy vehicle of the present utility model.

Fig. 2 is a perspective view of an alternate embodiment of a steering wheel assembly of the toy vehicle of the present utility model in a disassembled state.

Fig. 3 is a schematic perspective view of an alternative embodiment of a steering wheel assembly of the toy vehicle of the present utility model in a disassembled state.

Fig. 4 is a schematic overall perspective view of a pull-cord mechanism of an alternate embodiment of a steering wheel assembly of a toy vehicle of the present utility model.

Fig. 5 is a schematic longitudinal cross-sectional view through the movable seat of an alternate embodiment of the steering wheel assembly of the toy vehicle of the present utility model.

Fig. 6 is a schematic longitudinal cross-sectional view through the pull-cord of another alternative embodiment of the steering wheel assembly of the toy vehicle of the present utility model.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the specific examples. It should be understood that the following exemplary embodiments and descriptions are only for the purpose of illustrating the utility model and are not to be construed as limiting the utility model, and that the embodiments and features of the embodiments of the utility model may be combined with one another without conflict.

As shown in fig. 1-6, an alternative embodiment of the present utility model provides a steering wheel assembly of a toy car, comprising a turntable 1 pivoted to a front end of a frame of the toy car and a traction rope mechanism 2 assembled to the turntable 1, the traction rope mechanism 2 comprising a rope reel 21 assembled to the turntable, a movable seat 32 movably assembled to the turntable 1 and having a grip 230 at one end thereof, and a driving member 25 for driving the rope reel 21 to rotate so as to reel the traction rope 23 to the rope reel 21, the steering wheel assembly further comprising a locking member 3 disposed on the turntable 1 and interposed between the rope reel 21 and the grip 230 for applying a clamping force of a predetermined magnitude to the traction rope 21 so as to stop the winding of the traction rope 23 to the rope reel 21, the locking member 3 comprising a base 30 relatively fixed to the turntable 1, a movable seat 32 movably assembled to the turntable 1, and a driving member 25 for driving the movable seat 32 to rotate so as to cause the traction rope 23 to wind onto the rope reel 21, and a clamping member 32 relatively to move from the base 32 to the movable seat 32, and a clamping member 32 is disposed between the movable seat 32 and the base 32 so as to be moved away from the elastic seat 32.

According to the embodiment, the locking piece 3 is used for applying a clamping force with a preset size to the traction rope 23 to enable the traction rope 23 to overcome a rewinding force applied by the driving piece and stop winding the traction rope 23 on the rope winding shaft 21, so that inconvenience in the use process caused by rewinding of the traction rope 23 is prevented, the locking piece 3 comprises a movable seat 32 movably assembled on the turntable 1, a base 30 relatively fixed with the turntable 1 and an elastic piece 34, the movable seat 32 is moved to the base 30 by applying elastic force to the movable seat 32 through the elastic piece 34 so as to be matched with the base 30 to clamp and lock the traction rope 23, and the locking of the stretching length of the traction rope 23 in the use process is realized, so that the structure is simple and the assembly is convenient; in addition, the movable seat 32 is further provided with an operation portion 321, so that a user can drive the movable seat 32 to move away from the base 30 by overcoming the elastic force of the elastic member 34 by applying force to the operation portion 321, the unlocking operation of the traction rope 23 is realized, the traction rope 23 is rewound onto the rope winding shaft 21 by applying force of the driving member 25, and the user can conveniently recover the traction rope 23. In specific implementation, the elastic member 34 may be a spring or other elastic members 34, the grip portion 230 may be a common pull ring or a handle, and the driving member 25 may be an elastic member capable of converting elastic potential energy and kinetic energy into each other, such as a spring, a coil spring, or the like, or may be a driving motor or the like that is externally powered.

In another alternative embodiment of the present utility model, as shown in fig. 2 and 5, the predetermined portion of the movable seat 32 is correspondingly pivoted to the turntable 1 by means of a pivot 323, the position of the movable seat 32 deviated from the central axis of the pivot 323 is respectively provided with a rope pressing portion 325 and an operating portion 321, one end of the elastic member 34 is fixed relative to the position of the movable seat 32 deviated from the central axis of the pivot 323, and the other end is fixed relative to the turntable 1 or the base 30. In this embodiment, the movable seat 32 is pivotally connected to the turntable 1 by a pivot 323 disposed at a predetermined position thereon, and the portions of the movable seat 32 deviated from the central axis of the pivot 323 are respectively provided as a rope pressing portion 325 and an operating portion 321, and the elastic member 34 may be correspondingly disposed between the rope pressing portion 325 and the turntable 1 or between the operating portion 321 and the base 30. In specific implementation, the distance between the elastic member 34 and the operating portion 321 and the central axis of the pivot 323 can be optimally set, so as to achieve the effect of saving labor in operation.

In yet another alternative embodiment of the present utility model, as shown in fig. 6, a portion of the turntable 1 opposite to the base 30 is provided with a chute 10 extending in a direction perpendicular to the base 30, and one end of the chute is formed with an opening on the surface of the turntable 1, the movable seat 32 is slidably disposed in the chute 10, and one end of the movable seat 32 is exposed from the opening to form the operation portion 321, and the elastic member 34 is correspondingly assembled in the chute 10, and has one end fixed relative to the movable seat 32 and the other end fixed relative to the turntable 1 or the base 30. In this embodiment, the sliding groove 10 is formed on the turntable 1 corresponding to the base 30, the movable seat 32 is slidably mounted in the sliding groove 10, and one end exposed from the opening of the sliding groove 10 is used as the operation portion 321, one end of the elastic member 34 is fixed relative to one end of the movable seat 32 extending into the sliding groove 10, and the opposite end is fixed relative to the turntable 1 or the base 30. In a specific operation, when the two ends of the elastic piece 34 are respectively fixed relative to the movable seat 32 and the turntable 1, under the action of no external force, the elastic piece 34 is in a compressed state and applies an pushing force towards the base 30 to the movable seat 32 so as to clamp the locking traction rope 23 in a matched manner with the base 30; when the two ends of the elastic piece 34 are respectively fixed with the movable seat 32 and the base 30, the elastic piece 34 is in a stretched state under the action of no external force, and a pulling force towards the base 30 is applied to the movable seat 32 to clamp and lock the traction rope 23; when the pulling rope 23 is required to be retracted, the user only needs to lift the operating portion 321 to lift the movable base 32 relative to the base 30, and the pulling rope 23 is rewound onto the rope winding shaft 21 without being clamped by the locking member 3.

In another alternative embodiment of the present utility model, as shown in fig. 2 and 5, the movable seat 32 further protrudes from a rope clamping tooth 327 on one side for clamping the traction rope 23 in cooperation with the base 30. In this embodiment, the rope clamping teeth 327 are disposed on the movable seat 32 and used for clamping one side of the traction rope 23 in cooperation with the base 30, so that the toothed structure is more beneficial to fixing the traction rope 23 in engagement with the base 30, relative sliding is reduced, and locking and positioning of the traction rope 23 are more accurate.

In yet another alternative embodiment of the present utility model, as shown in fig. 2 and 5, the turntable 1 includes a housing 11, a through hole 121 is formed on a side wall surface of the housing 11 corresponding to one side in front of the toy car, the hauling rope mechanism 2 is disposed inside the housing 1, the hauling rope 23 extends to the outside of the housing 11 through the through hole 121, and the holding part 230 further forms a stopping part that cooperates with the through hole 11 to prevent the hauling rope 23 from completely retracting into the housing 11. The turntable 1 in this embodiment includes a housing 11, the traction rope 23 passes through a through hole 121 provided on the housing 11 facing the front side of the toy car to extend to the outside of the turntable 1, and the holding part 230 can also cooperate with the through hole 121 to prevent the traction rope 23 from completely retreating to the inside of the turntable 1, so that the user can guide and pull the toy car.

In another alternative embodiment of the present utility model, as shown in fig. 2, the base 30 is disposed inside the through hole 121, the base 30 is integrally formed with the housing 11 or separately manufactured and assembled on the housing 11, and the base 30 and the movable seat 32 are both made of wear-resistant materials. In this embodiment, the stretching and recovering of the traction rope 23 are performed from between the base 30 and the movable seat 32, and the operation is relatively frequent, and by adopting the wear-resistant material to manufacture the base 30 and the movable seat 32, the abrasion generated in the stretching and recovering process of the traction rope 23 is reduced, and the service life of the locking member 3 is prolonged; the base 30 is arranged at the inner side of the through hole 121 and can be integrally formed with the shell 11 or can be independently manufactured and then relatively fixed with the shell 11, so that the inner space of the turntable 1 is conveniently and reasonably utilized.

In yet another alternative embodiment of the present utility model, as shown in fig. 3-4, a recess 12 for accommodating the holding portion 230 is formed on a side of the housing 11 corresponding to the front of the toy vehicle, the through hole 121 is disposed in the recess 12, and the shape of the holding portion 230 is adapted to the shape of the recess 12, so that the shape of the turntable 1 is completed by correspondingly filling the recess 12 when correspondingly accommodated in the recess 12. In this embodiment, a recess 12 is disposed at a side of the housing 11 corresponding to the front of the toy car, the holding portion 230 is configured to be matched with the shape of the recess 12, and the holding portion is just contained in the recess 12 when the traction rope 23 is completely rewound onto the rope winding shaft 21, so that the appearance of the turntable 1 is complete, the aesthetic property of the appearance is improved, a through hole 121 is formed in the bottom wall of the recess 12, and the traction rope 23 is penetrated out from the through hole 121 and is fixed relative to the holding portion 230.

In another alternative embodiment of the present utility model, as shown in fig. 3-4, the driving member 25 is a flat spiral spring, a connecting post 210 extends from the axial center of the rope winding shaft 21 along the axial direction thereof, an open slot 212 is further provided at the free end of the connecting post 210, the flat spiral spring 25 is sleeved on the connecting post, the inner end of the flat spiral spring is used as a driving end to be clamped and abutted into the open slot to fix the rope winding shaft 21 relative to the rope winding shaft, the connecting post 210 extends from the axial center of the rope winding shaft along the axial direction thereof, an open slot 212 is further provided at the free end of the connecting post 210, the flat spiral spring 25 is sleeved on the connecting post 210, and the inner end of the flat spiral spring 25 is clamped and abutted into the open slot 212 to be fixed relative to the rope winding shaft 21. In the embodiment, the plane scroll spring 25 is adopted to drive the retraction of the traction rope 23, so that external power input is not needed, the design and the assembly are convenient, the driving force controllability of the plane scroll spring 25 is good, and the retraction operation of the traction rope 23 is not too rapid to injure a user by mistake; the flat spiral spring 25 is sleeved on a connecting column 210 extending axially from the axis of the rope winding shaft 21, and the inner end of the flat spiral spring is used as a driving end to be clamped and abutted into the opening slot 212 so as to be relatively fixed with the rope winding shaft 21, thereby guaranteeing the input and output of power.

In another alternative embodiment of the present utility model, as shown in fig. 2, the steering wheel assembly of the toy car further includes a sound module 4 disposed on the turntable, and the sound module 4 includes a power source 41, a speaker 43 electrically connected to the power source 41, and one or more keys 45 correspondingly controlling the speaker 43 to play a predetermined syllable. In this embodiment, by providing the sound module 4, the function of playing audio is added to the toy vehicle, and the user can control the speaker 43 to play a predetermined syllable by pressing the key 45, so as to promote the interest of riding the toy vehicle. In the specific implementation, one key 45 can correspond to one music syllable, and the user can switch different keys 45 to play songs freely, or can play a complete music song or early education course correspondingly, so that the user can enjoy and learn.

In another aspect, as shown in fig. 1-6, in another embodiment of the present utility model, a toy vehicle includes a frame, a front wheel assembly assembled to a bottom of a front end of the frame, a steering wheel assembly coupled to the front wheel assembly via a corresponding connecting shaft, and a rear wheel assembly assembled to a bottom of a rear end of the frame, the steering wheel assembly of the toy vehicle being a steering wheel assembly of any of the toy vehicles described above. According to the embodiment, the stretching length of the traction rope is locked by the locking piece, the traction rope is prevented from being inconvenient to use due to rewinding, the elastic piece presses the movable seat to be matched with the base to clamp and lock the traction rope, the operation portion is additionally provided for inputting external force to unlock the traction rope, and the traction rope is automatically rewound onto the rope winding shaft under the driving of the driving piece, so that the traction rope winding device is simple in structure and convenient to operate.

The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many changes may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are all within the scope of the present utility model.

Claims (10)

1. The steering wheel assembly of the toy car comprises a rotary table correspondingly pivoted at the front end of a frame of the toy car and a traction rope mechanism assembled on the rotary table, wherein the traction rope mechanism comprises a rope winding shaft assembled on the rotary table, a traction rope with one end wound on the rope winding shaft and the other end assembled with a holding part, and a driving piece for driving the rope winding shaft to rotate so as to enable the traction rope to be wound on the rope winding shaft.

2. The steering wheel assembly of claim 1, wherein the predetermined portion of the movable seat is correspondingly pivoted to the turntable by means of a pivot, a rope pressing portion and an operating portion are respectively provided at positions of the movable seat deviated from the central axis of the pivot, one end of the elastic member is fixed to the position of the movable seat deviated from the central axis of the pivot, and the other end of the elastic member is fixed to the turntable or the base.

3. The steering wheel assembly of claim 1, wherein a portion of the turntable facing the base is provided with a chute extending in a direction perpendicular to the base and having an opening at one end formed on a surface of the turntable, the movable seat is slidably disposed in the chute and has one end exposed from the opening to form the operation portion, and the elastic member is correspondingly assembled in the chute and has one end fixed relative to the movable seat and the other end fixed relative to the turntable or the base.

4. A steering wheel assembly for a toy vehicle as claimed in claim 1, 2 or 3, wherein the movable seat further includes a protruding clip tooth on a side thereof adapted to engage the base for gripping the pull cord.

5. The steering wheel assembly of claim 1, wherein the turntable includes a housing having a through hole formed in a side wall surface of the housing corresponding to a side of the front of the toy vehicle, the pull-cord mechanism is disposed inside the housing, the pull-cord extends outside the housing through the through hole, and the grip portion further comprises a stopping portion cooperating with the through hole to prevent the pull-cord from being completely retracted inside the housing.

6. The steering wheel assembly of claim 5, wherein the base is disposed inside the aperture, the base is integrally formed with the housing or is separately manufactured and assembled to the housing, and the base and the movable seat are both made of a wear resistant material.

7. The steering wheel assembly of claim 5, wherein a side of the housing corresponding to the front of the toy vehicle is formed with a recess for receiving the grip portion, the through hole is provided in the recess, and the shape of the grip portion is adapted to the shape of the recess to fill the recess when the grip portion is received in the recess, thereby completing the shape of the turntable.

8. The steering wheel assembly of the toy car according to claim 1, wherein the driving member is a plane spiral spring, a connecting column extends out of the axis of the rope winding shaft along the axial direction of the driving member, an opening slot is further formed in the free end of the connecting column, the plane spiral spring is sleeved on the connecting column, and the inner end of the plane spiral spring is used as a driving end to be clamped and abutted into the opening slot to be fixed relative to the rope winding shaft.

9. The steering wheel assembly of claim 1, wherein the steering wheel assembly of the toy vehicle further comprises an audio module disposed on the turntable, the audio module comprising a power source, a speaker electrically connected to the power source, and one or more keys for controlling the speaker to play a predetermined syllable.

10. A toy vehicle comprising a frame, a front wheel assembly assembled to the bottom of the front end of the frame, a steering wheel assembly connected to the front wheel assembly by a corresponding connecting shaft, and a rear wheel assembly assembled to the bottom of the rear end of the frame, wherein the steering wheel assembly of the toy vehicle is a steering wheel assembly of the toy vehicle according to any one of claims 1-9.