CN211435079U

CN211435079U - Toy drift car

Info

Publication number: CN211435079U
Application number: CN201922091423.XU
Authority: CN
Inventors: 余煌
Original assignee: Kidztech Intelligent Technology Co ltd
Current assignee: Kidztech Intelligent Technology Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-09-08
Anticipated expiration: 2029-11-28

Abstract

A toy drift car comprises a car body, two front wheels, two rear wheels, a front and rear running driving mechanism, a control circuit board, a power supply, a running wheel seat, a running wheel shaft, two running wheels, a steering driving mechanism and a steering resetting mechanism; the two front wheels can be respectively steered and can be rotatably arranged at the left side and the right side of the front part of the vehicle body, the running wheel seat can be rotatably arranged in the middle of the bottom of the vehicle body, the running wheel shaft can be rotatably arranged on the running wheel seat, and the two running wheels are respectively arranged at the two ends of the running wheel shaft; the front and rear running driving mechanism is arranged in the running wheel seat, and the power output end of the front and rear running driving mechanism is in transmission connection with the running wheel shaft; the power output end of the steering driving mechanism is in transmission connection with the running wheel seat; the steering reset mechanism is arranged between the vehicle body and the wheel seat of the travelling vehicle. The toy drifting vehicle can simulate drifting actions, and is simple in structure and good in control performance.

Description

Toy drift car

Technical Field

The utility model relates to a toy car especially relates to a toy drift car.

Background

The existing toy car generally controls the advancing direction of a car body by steering a front wheel, when the toy car needs to turn, the front wheel is steered, and the speed of the toy car is reduced, so that the toy car can safely drive through a curve; if the toy car is fast in the turning process, the toy car is easy to lose control, and sideslip or overturn. The toy car is not easy to control, only the front wheels are steered to generate sideslip, and the rear wheels have larger transverse force, so that the toy car is not easy to form drift, and the drift effect is not ideal. Some toy vehicles have been improved, for example, in patent publication No. CN202569545U, a remote control toy vehicle capable of realizing drifting is disclosed, the body of which has front wheels for controlling the steering of the vehicle body and rear wheels for driving the vehicle body to travel forward and backward, the body is provided with a rotating mechanism, and the rotating mechanism includes: the transverse wheel is arranged at the tail of the vehicle body and is vertically distributed with the rear wheel, the rotary motor drives the transverse wheel to rotate, and the swing motor drives the transverse wheel to swing up and down. In the technical scheme, the transverse wheels do not participate in the work in the normal running process of the vehicle body. When the drifting needs to be realized, the swing motor drives the transverse wheel to descend, and the rear wheel is lifted and lifted off the ground; the transverse wheel drives the vehicle body to rotate under the action of the rotating motor. Then, the swing motor drives the transverse wheel to ascend, the rear wheel lands again, and the drifting action of pivot steering is completed. Therefore, the tail-flick phenomenon of the automobile is simulated only by the rotary motor and the transverse wheel, and the simulation of the actual drifting action of the automobile cannot be achieved.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a toy drift car, this kind of toy drift car can the emulation realize the drift action to simple structure controls the performance better. The technical scheme is as follows:

the utility model provides a toy drift car, includes automobile body, two preceding wheels, two rear wheels, driving mechanism, control circuit board and power of traveling around, two preceding wheels can turn to respectively and the rotatable left and right sides that sets up at the automobile body front portion, and two rear wheels are rotatable the left and right sides of installing at the automobile body rear portion respectively, and control circuit board and power all set up inside the automobile body, characterized by: the device also comprises a running wheel seat, a running wheel shaft, two running wheels, a steering driving mechanism and a steering resetting mechanism; the running wheel seat is rotatably arranged in the middle of the bottom of the vehicle body, the running wheel shaft is rotatably arranged on the running wheel seat, and the two running wheels are respectively arranged at two ends of the running wheel shaft; the front and rear running driving mechanism is arranged in the running wheel seat, and the power output end of the front and rear running driving mechanism is in transmission connection with the running wheel shaft; the power output end of the steering driving mechanism is in transmission connection with the running wheel seat; the steering reset mechanism is arranged between the vehicle body and the wheel seat of the running vehicle.

In specific use, a remote controller matched with the toy drifting vehicle is provided with a forward key, a backward key, a left steering key and a right steering key, and two driving wheels are in a righting state in an initial state. When a forward key is pressed, the control circuit board receives a forward command sent by the remote controller and outputs a control signal to the forward and backward driving mechanism, and the forward and backward driving mechanism drives the driving wheel shafts to rotate in the forward direction, so that the two driving wheels are driven to rotate in the forward direction, the two front wheels and the two rear wheels are driven to rotate in the forward direction, and forward movement is realized; when a backward key is pressed, the control circuit board receives a backward instruction sent by the remote controller and outputs a control signal to the front and rear driving mechanism, and the front and rear driving mechanism drives the driving wheel shafts to rotate reversely, so that the two driving wheels are driven to rotate reversely, the two front wheels and the two rear wheels are driven to rotate reversely, and backward movement is realized; in the process of forward movement, when a left steering key is pressed, the control circuit board receives a left steering command sent by the remote controller and outputs a control signal to the steering driving mechanism, and the steering driving mechanism drives the running wheel seat to steer left so as to drive the two running wheels to steer left; in the process of forward movement, when a right steering key is pressed, the control circuit board receives a right steering command sent by the remote controller and outputs a control signal to the steering driving mechanism, the steering driving mechanism drives the running wheel seat to steer right so as to drive the two running wheels to steer right, at the moment, the two front wheels are in left steering under the action of inertia, meanwhile, the front part of the vehicle body drifts to the right, and the rear part of the vehicle body drifts to the left; the driving wheel seat can reset under the action of the steering reset mechanism after left steering or right steering, so that the two driving wheels are in correct positions.

The two wheels are typically made of a hard plastic material to reduce the friction between the wheels and the ground.

As the utility model discloses a preferred scheme, turn to actuating mechanism and be in including turning to motor, first driving gear, steering gear group and setting gear structure on the driving wheel seat turns to the motor and installs on the automobile body and be in driving wheel seat one side, and first driving gear is installed on the output shaft that turns to the motor, and steering gear group is rotatable to be installed on the automobile body, and steering gear group's first gear and first driving gear meshing transmission turn to the gear group's last gear and the tooth meshing transmission of gear structure on the driving wheel seat.

The gear structure adopts a half-gear structure, namely one side of the gear is provided with teeth, and the other side of the gear is not provided with teeth, so that the running vehicle wheel seat can be controlled within a certain angle range when being steered left or right, and the control performance of the whole toy vehicle is further improved.

As a further preferred aspect of the present invention, the running vehicle wheel seat includes an upper cover, a seat body and a lower cover, the vehicle body is provided with a steering column, the upper cover is rotatably mounted on the steering column, the gear structure includes an upper cover and upper cover teeth arranged on the upper cover, and a final stage gear of the steering gear set is in meshing transmission with the upper cover teeth; the running vehicle wheel shaft and the front and rear running driving mechanisms are all arranged in the seat body.

The upper cover, the base body and the lower cover can be separately molded by injection or integrally molded.

As a further preferable aspect of the present invention, the steering return mechanism includes a torsion spring, and the torsion spring is fixedly mounted on the steering column; the upper cover of the traveling wheel seat is also provided with a resetting convex column, and the resetting convex column is positioned between two spring arms of the torsion spring.

As a preferable aspect of the present invention, the front and rear driving mechanism includes a driving motor, a second driving gear, a first driving gear set, a second driving gear set, a first driven gear, and a second driven gear; the driving motor is arranged in the driving wheel seat, the second driving gear is arranged on an output shaft of the driving motor, and the first driven gear and the second driven gear are respectively arranged on two sides of the driving wheel shaft; the first running gear set and the second running gear set can be rotatably arranged in the running wheel seat, a first-stage gear of the first running gear set is in meshing transmission with the second driving gear, a last-stage gear of the first running gear set is in meshing transmission with the first driven gear, a first-stage gear of the second running gear set is in meshing transmission with the first driven gear, and a last-stage gear of the second running gear set is in meshing transmission with the second driven gear.

The first driven gear adopts a duplicate gear, a large gear of the duplicate gear is in meshing transmission with a final-stage gear of the first travelling gear set, and a small gear of the duplicate gear is in meshing transmission with a first-stage gear of the second travelling gear set.

The steering motor and the driving motor are hollow cup motors generally, and the rotating speed is about 20000 revolutions per minute.

As the preferred proposal of the utility model, the toy drift car also comprises a counterweight part which is arranged at the front part of the car body. The front and rear weights of the vehicle body are kept balanced through the counterweight, the front wheel cannot touch the ground if the counterweight is too light, and the friction force between the front wheel and the ground if the counterweight is too heavy, so the weight of the counterweight is determined according to the weight distribution proportion of the vehicle body.

As a preferred embodiment of the present invention, the toy drift vehicle further includes two cross beams, two front wheel seats, four first compression springs and four second compression springs, the two cross beams are disposed at the front portion of the vehicle body, the two ends of the two cross beams are both provided with an upper convex column and a lower convex column, the two front wheel seats are rotatably mounted on the two upper convex columns and the two lower convex columns at the two ends respectively, the four first compression springs are respectively sleeved outside the four upper convex columns, and the four second compression springs are respectively sleeved outside the four lower convex columns; the two front wheels are respectively rotatably arranged on the two front wheel seats. When the steering driving mechanism drives the two running wheels to steer left, the two front wheel seats can be respectively and rotatably arranged on the two upper convex columns and the two lower convex columns at the two ends, and the two front wheel seats are steered right under the action of inertia to drive the two front wheels to steer right; when the steering driving mechanism drives the two running wheels to steer right, the two front wheel seats are in left steering under the action of inertia, and the two front wheels are driven to steer left.

Compared with the prior art, the utility model, have following advantage:

by additionally arranging the running wheel seat, the running wheel shaft, the two running wheels, the steering driving mechanism and the steering resetting mechanism, the drifting action can be realized in a simulation manner, and the device is simple in structure and good in control performance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

fig. 3 is a schematic view of the vehicle body of fig. 2 from another perspective.

Detailed Description

The following further describes the preferred embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1 to 3, a toy drift car comprises a car body 1, two front wheels 2, two rear wheels 3, a front and rear running drive mechanism 4, a weight member 102, a control circuit board (not shown), a power supply 5, a running wheel seat 6, a running wheel shaft 7, two running wheels 8, a steering drive mechanism 9 and a steering return mechanism; the two front wheels 2 can be respectively steered and rotatably arranged at the left side and the right side of the front part of the vehicle body 1, the two rear wheels 3 can be respectively rotatably arranged at the left side and the right side of the rear part of the vehicle body 1, and the counterweight 102 is arranged at the front part of the vehicle body 1; the control circuit board and the power supply 5 are both arranged inside the vehicle body 1; the running wheel seat 6 is rotatably arranged in the middle of the bottom of the vehicle body 1, the running wheel shaft 7 is rotatably arranged on the running wheel seat 6, and the two running wheels 8 are respectively arranged at two ends of the running wheel shaft 7; the front and rear running driving mechanism 4 is arranged in a running wheel seat 6, and the power output end of the front and rear running driving mechanism 4 is in transmission connection with a running wheel shaft 7; the steering driving mechanism 9 is arranged on the vehicle body and is positioned at one side of the running wheel seat, and the power output end of the steering driving mechanism 9 is in transmission connection with the running wheel seat 6; the steering return mechanism is provided between the vehicle body 1 and the running wheel seat 6.

In the present embodiment, the two running wheels 8 are generally made of hard plastic material to reduce the friction between the running wheels 8 and the ground.

In this embodiment, the steering driving mechanism 9 includes a steering motor 901, a first driving gear 902, a steering gear set 903, and a gear structure disposed on the wheel base 6, the steering motor 901 is mounted on the vehicle body 1 and on one side of the wheel base 6, the first driving gear 902 is mounted on an output shaft of the steering motor 901, the steering gear set 903 is rotatably mounted on the vehicle body 1, a first gear of the steering gear set 903 is in meshing transmission with the first driving gear 902, and a last gear of the steering gear set 903 is in meshing transmission with teeth of the gear structure on the wheel base 6.

In this embodiment, the wheel carriage 6 includes an upper cover 601, a base 602 and a lower cover, the body 1 is provided with a steering column 101, the upper cover 601 is rotatably mounted on the steering column 101, the gear structure includes the upper cover 601 and upper cover teeth 603 provided on the upper cover 601, and a final gear of the steering gear set 903 is in meshing transmission with the upper cover teeth 603; the running vehicle wheel shaft 7 and the front and rear running drive mechanism 4 are mounted in the seat body 602. The upper cover 601 with the upper cover teeth 603 is equivalent to a half gear, so that the steering angle of the wheel seat of the running vehicle can be controlled within a certain angle range when the wheel seat is steered left or right, and the steering performance of the whole toy vehicle is further improved.

The upper cover 601, the base 602 and the lower cover may be separately molded or integrally molded.

The steering reset mechanism comprises a torsion spring 10, and the torsion spring 10 is fixedly arranged on a steering support column 101; the upper cover 601 of the traveling wheel seat 6 is further provided with a resetting convex column 604, and the resetting convex column 604 is located between two spring arms of the torsion spring 10.

The front-rear travel driving mechanism 4 includes a travel motor 401, a second driving gear 402, a first travel gear set 403, a second travel gear set 404, a first driven gear 405, and a second driven gear 406; the traveling motor 401 is installed in a seat body 602 of the traveling wheel seat 6, the second driving gear 402 is installed on an output shaft of the traveling motor 401, and the first driven gear 405 and the second driven gear 406 are respectively installed on two sides of the traveling wheel shaft 7; the first travel gear set 403 and the second travel gear set 404 are both rotatably mounted in the base body 602 of the travel wheel base 6, a first-stage gear of the first travel gear set 403 is in meshing transmission with the second driving gear 402, a last-stage gear of the first travel gear set 403 is in meshing transmission with the first driven gear 405, a first-stage gear of the second travel gear set 404 is in meshing transmission with the first driven gear 405, and a last-stage gear of the second travel gear set 404 is in meshing transmission with the second driven gear 406.

The first driven gear 405 is a duplicate gear, a large gear of the duplicate gear is in meshing transmission with a final-stage gear of the first travel gear set 403, and a small gear of the duplicate gear is in meshing transmission with a first-stage gear of the second travel gear set 404.

The steering motor 901 and the traveling motor 401 are generally hollow cup motors, and the rotation speed is about 20000 rpm.

The toy drift vehicle further comprises two cross beams 11, two front wheel seats 12, four first compression springs (not shown in the figure) and four second compression springs (not shown in the figure), wherein the two cross beams 11 are arranged at the front part of the vehicle body 1, two ends of the two cross beams 11 are provided with upper convex columns and lower convex columns, the two front wheel seats 12 are rotatably arranged on the two upper convex columns and the two lower convex columns at the two ends respectively, the four first compression springs are sleeved outside the four upper convex columns respectively, and the four second compression springs are sleeved outside the four lower convex columns respectively; the two front wheels 2 are respectively rotatably mounted on the two front wheel seats 12.

In specific use, a remote controller matched with the toy drifting vehicle is provided with a forward key, a backward key, a left steering key and a right steering key, and two driving wheels 8 are in a righting state in an initial state. When a forward key is pressed, the control circuit board receives a forward command sent by the remote controller and outputs a control signal to the forward and backward driving mechanism 4, and the forward and backward driving mechanism 4 drives the driving wheel shaft 7 to rotate forward, so that the two driving wheels 8 are driven to rotate forward, the two front wheels 2 and the two rear wheels 3 are driven to rotate forward, and forward motion is realized; when a backward key is pressed, the control circuit board receives a backward instruction sent by the remote controller and outputs a control signal to the front and rear driving mechanism 4, and the front and rear driving mechanism 4 drives the driving wheel shaft 7 to rotate reversely, so that the two driving wheels 8 are driven to rotate reversely, the two front wheels 2 and the two rear wheels 3 are driven to rotate reversely, and backward movement is realized; in the process of forward movement, when a left steering key is pressed, the control circuit board receives a left steering command sent by the remote controller and outputs a control signal to the steering driving mechanism 9, the steering driving mechanism 9 drives the running wheel seat 6 to steer left so as to drive the two running wheels 8 to steer left, and as the two front wheels 2 are steerable, the two front wheels 2 are in right steering under the action of inertia, and meanwhile, the front part of the vehicle body 1 drifts left, and the rear part of the vehicle body 1 drifts right; in the process of forward movement, when a right steering key is pressed, the control circuit board receives a right steering command sent by the remote controller and outputs a control signal to the steering driving mechanism 9, the steering driving mechanism 9 drives the running wheel seat 6 to steer rightwards, so that the two running wheels 8 are driven to steer rightwards, at the moment, the two front wheels 2 are in left steering under the action of inertia, meanwhile, the front part of the vehicle body 1 drifts rightwards, and the rear part of the vehicle body 1 drifts leftwards; after the travelling wheel carrier 6 is steered left or right, it can be reset under the action of the torsion spring 10, so that the two travelling wheels 8 are in a correct position.

In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and all the equivalent or simple changes made according to the structure, the features and the principle of the present invention are included in the protection scope of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a toy drift car, includes automobile body, two preceding wheels, two rear wheels, driving mechanism, control circuit board and power of traveling around, two preceding wheels can turn to respectively and the rotatable left and right sides that sets up at the automobile body front portion, and two rear wheels are rotatable the left and right sides of installing at the automobile body rear portion respectively, and control circuit board and power all set up inside the automobile body, characterized by: the device also comprises a running wheel seat, a running wheel shaft, two running wheels, a steering driving mechanism and a steering resetting mechanism; the running wheel seat is rotatably arranged in the middle of the bottom of the vehicle body, the running wheel shaft is rotatably arranged on the running wheel seat, and the two running wheels are respectively arranged at two ends of the running wheel shaft; the front and rear running driving mechanism is arranged in the running wheel seat, and the power output end of the front and rear running driving mechanism is in transmission connection with the running wheel shaft; the power output end of the steering driving mechanism is in transmission connection with the running wheel seat; the steering reset mechanism is arranged between the vehicle body and the wheel seat of the running vehicle.

2. The toy drift vehicle of claim 1, wherein: the steering driving mechanism comprises a steering motor, a first driving gear, a steering gear set and a gear structure arranged on the wheel seat of the travelling vehicle, the steering motor is arranged on the vehicle body and is positioned on one side of the wheel seat of the travelling vehicle, the first driving gear is arranged on an output shaft of the steering motor, the steering gear set is rotatably arranged on the vehicle body, a first-stage gear of the steering gear set is in meshing transmission with the first driving gear, and a last-stage gear of the steering gear set is in meshing transmission with teeth of the gear structure on the wheel seat of the travelling vehicle.

3. The toy drift vehicle of claim 2, wherein: the travelling wheel seat comprises an upper cover, a seat body and a lower cover, a steering support column is arranged on the vehicle body, the upper cover is rotatably arranged on the steering support column, the gear structure comprises an upper cover and upper cover teeth arranged on the upper cover, and a final-stage gear of the steering gear set is in meshing transmission with the upper cover teeth; the running vehicle wheel shaft and the front and rear running driving mechanisms are all arranged in the seat body.

4. The toy drift vehicle of claim 3, wherein: the steering reset mechanism comprises a torsion spring which is fixedly arranged on the steering support; the upper cover of the traveling wheel seat is also provided with a resetting convex column, and the resetting convex column is positioned between two spring arms of the torsion spring.

5. The toy drift vehicle of claim 1, wherein: the front and rear running driving mechanism comprises a running motor, a second driving gear, a first running gear set, a second running gear set, a first driven gear and a second driven gear; the driving motor is arranged in the driving wheel seat, the second driving gear is arranged on an output shaft of the driving motor, and the first driven gear and the second driven gear are respectively arranged on two sides of the driving wheel shaft; the first running gear set and the second running gear set can be rotatably arranged in the running wheel seat, a first-stage gear of the first running gear set is in meshing transmission with the second driving gear, a last-stage gear of the first running gear set is in meshing transmission with the first driven gear, a first-stage gear of the second running gear set is in meshing transmission with the first driven gear, and a last-stage gear of the second running gear set is in meshing transmission with the second driven gear.

6. The toy drift vehicle of claim 1, wherein: the toy drift car further comprises a counterweight, and the counterweight is installed on the front portion of the car body.

7. The toy drift vehicle of claim 1, wherein: the toy drift car further comprises two cross beams, two front wheel seats, four first compression springs and four second compression springs, wherein the two cross beams are arranged at the front part of the car body, the two ends of the two cross beams are respectively provided with an upper convex column and a lower convex column, the two front wheel seats are respectively rotatably arranged on the two upper convex columns and the two lower convex columns at the two ends, the four first compression springs are respectively sleeved outside the four upper convex columns, and the four second compression springs are respectively sleeved outside the four lower convex columns; the two front wheels are respectively rotatably arranged on the two front wheel seats.