Small-size remote control car

Abstract

The utility model relates to the technical field of toy cars, in particular to a small-size remote control car which comprises a steering motor installed at the front end of a car base, a transmission shaft of the steering motor drives a swing wheel disc to swing through a transmission gear set, rotating swing arms are hinged to the left end and the right end of a traction plate, and front wheels are connected to the rotating swing arms. The driving motor is installed at the tail end of the trolley base, positioning inserting blocks are arranged at the two ends of the connecting rod shaft and inserted into positioning groove positions in the two sides of the trolley base, the control circuit board is electrically connected to the steering motor and the driving motor, and the remote controller is connected to the control circuit board through signals. The small-size remote control car has the advantages that a plurality of components are installed in the small-size remote control car to control steering of the front wheels and driving of the rear wheels, the internal structural design is reasonable, the structural design of the whole car is reasonable, the matching mode is improved and firmer, the installation mode is more convenient and faster, and the installation efficiency is improved. And installation on a small-size remote control car by a worker is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of toy cars, in particular to a small-sized remote control car. Background Art

[0002] A toy car is a toy for children to play with, which is made according to the basic structure and shape appearance of a car in a certain proportion. Among them, micro-sized toy cars are gradually popular in the market and can be played at home. However, it is difficult to remotely control micro-sized toy cars. How to install various suitable components inside to complete actions such as turning and moving forward through a simple structural design.

[0003] Having noticed the deficiencies of the above-mentioned conventional small-sized remote control car, the applicant, adhering to the spirit of research and innovation, excellence, combining production practice, and using professional and scientific methods, has proposed a practical solution, and thus filed an application for this case. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a small-sized remote control car aiming at the existing technical status. It has a reasonable design and a simple structure. The length dimension of the small-sized remote control car is 12 cm to 5 cm.

[0005] A small-sized remote control car includes: a car shell, a car base, a steering motor, a transmission gear set, a swing wheel disc, a rotating swing arm, a driving motor, a driving gear set, a connecting rod shaft, a positioning insertion block, rear wheels, and front wheels. The car shell is installed on the car base. The steering motor is installed at the front end part on the car base. The transmission shaft of the steering motor drives the swing wheel disc to swing through the transmission gear set. The front end of the swing wheel disc is hinged to a traction plate. The rotating swing arms are hinged to the left and right ends of the traction plate. The front wheels are connected to the rotating swing arms. The driving motor is installed at the rear end part on the car base. The connecting rod shaft is connected between the two rear wheels. Positioning insertion blocks are provided at both ends of the connecting rod shaft and are inserted into the positioning slots on both sides of the car base. The driving motor drives the connecting rod shaft to rotate through the driving gear set. The control circuit board is electrically connected to the steering motor and the driving motor. The remote controller is signal-connected to the control circuit board.

[0006] Specifically, the transmission gear set is divided into a driving gear, a driven gear, and a driving rotating shaft. The front end of the rotating shaft of the steering motor is sleeved with the driving gear. The driving gear meshes with the driven gear. The driven gear meshes with the traction gear at one end of the driving rotating shaft.

[0007] Specifically, the shaft body of the driving rotating shaft is a worm, and one end of the swing wheel disc is a worm gear. A rotating shaft hinged to the car base is provided in the middle section of the swing wheel disc. The worm meshes with the worm gear. The driving rotating shaft drives the swing wheel disc to rotate around the rotating shaft through the cooperation of the worm and the worm gear.

[0008] Specifically, a connecting bar extends forward at the front end of the swing wheel disc, and a cylindrical pin is provided at the bottom of the connecting bar. The pin is inserted into the slot of the traction plate.

[0009] Specifically, cylinders are provided both above and below the rotating swing arm. The upper and lower cylinders are respectively hinged to the holes of the vehicle body and the vehicle base. A connecting portion extends outward in the middle of the rotating swing arm. The bottom of the connecting portion is inserted into the connecting hole of the traction plate through a connecting column. The traction plate drives the rotating swing arm to rotate around the upper and lower cylinders as the axis.

[0010] Specifically, an insertion hole is provided in the middle of the rotating swing arm. One end of the connecting pin passes through the insertion hole and is inserted into the front wheel. A circular clamping block is provided at the other end of the connecting pin. The front wheel is connected and driven to turn through the connecting pin.

[0011] Specifically, a protruding arrow-shaped cylinder is provided in the middle of the swing wheel disc, and a potentiometer is provided on the arrow-shaped cylinder. The potentiometer is used to accurately control the steering ratio and steering size of the remote control vehicle in the electronic system. The potentiometer is connected to the control circuit board to achieve a more realistic vehicle control feel and improve the playability of the product. Ribs are provided on the vehicle base for facilitating the installation of gears and steering motors. The vehicle base is provided with two convex installation strips to ensure that the components of the remote control vehicle can still operate smoothly when the vehicle is impacted. The drive motor is arranged on the two horizontal installation strips, and the drive motor can be more firmly installed on the vehicle base.

[0012] Specifically, the positioning slot is arranged on the vehicle base inside the rear wheel. The positioning slot is divided into an insertion slot and a positioning slot. The insertion slot penetrates through the vehicle base from the bottom of the positioning slot. The positioning insertion block is strip-shaped, and the bottom of the positioning insertion block is inserted into the insertion slot. A protruding ring is provided on one side of the positioning insertion block, and an installation hole for the connecting rod shaft to pass through is provided in the middle of the ring.

[0013] Specifically, the drive gear set is divided into a drive active gear, a drive driven gear, and a drive gear. The drive active gear is arranged on the rotating shaft of the drive motor. The drive gear is sleeved on the connecting rod shaft. The drive active gear meshes with the drive driven gear, and the drive driven gear meshes with the drive gear.

[0014] Specifically, both the drive driven gear and the drive gear are double-layer gears. The two driven gears are sleeved on the rotating shaft, and two drive gears are arranged on the connecting rod shaft.

[0015] The beneficial effects of the present utility model are:

[0016] The steering motor notifies the gear set to drive its driving rotating shaft to rotate, and the driving rotating shaft drives the rotating swing arm to swing, thereby pulling the left and right front wheels to swing, realizing the turning function of the toy car. The operator can also remotely control the toy car to turn and move forward; the driving motor drives the connecting rod shaft to rotate through the driving gear set, and the connecting rod shaft drives the rear wheels on both sides to rotate at high speed, so that the remote control car moves forward and backward. Installing multiple components in a small-sized remote control car to control the rotation of the rear wheels, its internal structure is reasonably designed; the cooperation between the positioning insertion block and the positioning slot not only makes the cooperation method more firm and has a longer service life, but also its installation method is more convenient and fast, facilitating the installation by the staff on the small-sized remote control car. Brief Description of the Drawings

[0017] Appendix Figure 1 is a perspective view of the present utility model;

[0018] Appendix Figure 2 is a top view of the present utility model

[0019] Appendix Figure 3 is an enlarged top view of the present utility model;

[0020] Appendix Figure 4 is a perspective view of the swinging wheel disc of the present utility model;

[0021] Appendix Figure 5 is a perspective view of the rotating swing arm of the present utility model.

[0022] Annotation description: vehicle base 1, steering motor 2, transmission gear set 3, swinging wheel disc 4, rotating swing arm 5, traction plate 6, front wheel 7, rear wheel 8, driving motor 9, driving gear set 10; rib 11, positioning insertion block 12, installation clamping strip 13, positioning slot 14; driving gear 31, driven gear 32, driving rotating shaft 33, worm 34; worm gear 41, connecting strip 42, pin 43, arrow column 44, potentiometer 45; cylinder 51, connecting part 52, connecting pin 53, insertion hole position 54, circular clamping block 55; slot 61; connecting rod shaft 81; driving driving gear 101, driving driven gear 102, driving gear 103. Detailed Description of the Preferred Embodiment

[0023] The drawings are only for illustrative purposes and should not be construed as a limitation to this patent; for better illustrating this embodiment, some components in the drawings may be omitted, enlarged or reduced, which do not represent the dimensions of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationships described in the drawings are only for illustrative purposes and should not be construed as a limitation to this patent.

[0024] As shown in the appendix Figures 1 to 5As shown in the figure, a small-sized remote control car includes: a car shell, a car base, a steering motor, a transmission gear set, a swing wheel disc, a rotating swing arm, a driving motor, a driving gear set, a connecting rod shaft, a positioning insertion block, rear wheels, and front wheels. The car shell is installed on the car base. The steering motor is installed at the front end part of the car base. The transmission shaft of the steering motor drives the swing wheel disc to swing through the transmission gear set. The front end of the swing wheel disc is hinged to the traction plate. The rotating swing arms are hinged to the left and right ends of the traction plate. The front wheels are connected to the rotating swing arms. The driving motor is installed at the rear end part of the car base. The connecting rod shaft is connected between the two rear wheels. Positioning insertion blocks are provided at both ends of the connecting rod shaft. The positioning insertion blocks are inserted into the positioning slots on both sides of the car base. The driving motor drives the connecting rod shaft to rotate through the driving gear set. The control circuit board is electrically connected to the steering motor and the driving motor. The remote controller is signal-connected to the control circuit board. The car base is provided with two convex installation strips. The driving motor is arranged on the two horizontal installation strips. A convex arrow-shaped column is provided in the middle of the swing wheel disc. A potentiometer is provided on the arrow-shaped column. The car base is provided with convex strips for facilitating the installation of gears and the steering motor. The grooves on the convex strips can be used to install the steering motor, the gear rotating shaft, and the driving rotating shaft, which can be firmly installed in the small-sized car, avoiding the falling off or misalignment of components and ensuring the continuous long-term operation of the vehicle body.

[0025] In the above solution, the transmission gear set is divided into a driving gear, a driven gear, and a driving rotating shaft. The front end of the rotating shaft of the steering motor is sleeved with the driving gear. The driving gear meshes with the driven gear. The driven gear meshes with the traction gear at one end of the driving rotating shaft. The shaft body of the driving rotating shaft is a worm. One end of the swing wheel disc is a worm gear. A rotating shaft hinged to the car base is provided in the middle section of the swing wheel disc. The worm meshes with the worm gear teeth. The driving rotating shaft drives the swing wheel disc to rotate around the rotating shaft as the axis through the cooperation of the worm and the worm gear, and the principle of the worm and the worm gear is used to achieve the transmission of force. A connecting strip extends forward at the front end of the swing wheel disc. A cylindrical pin is provided at the bottom of the connecting strip. The pin is inserted into the slot of the traction plate.

[0026] The swing wheel disc is inserted on the car base through the rotating shaft and swings around the rotating shaft as the axis. An arrow-shaped column is provided at the top of the rotating shaft. Moreover, a potentiometer is provided on the arrow-shaped column. The potentiometer is used for the electronic system to accurately control the steering ratio and steering size of the remote control car. The potentiometer is connected to the control circuit board. The arrow-shaped column is aligned with the connecting strip. The connecting strip is the center line of the swing wheel disc, which is more convenient and fast during assembly.

[0027] In the above solution, cylinders are provided both above and below the rotating swing arm. The upper and lower cylinders are respectively hinged to the hole positions of the vehicle body and the vehicle base. A connecting portion extends outward from the middle of the rotating swing arm. The bottom of the connecting portion is inserted into the connecting hole position of the traction plate through a connecting column. The traction plate drives the rotating swing arm to rotate around the upper and lower cylinders as the axis through the connecting column. An insertion hole position is provided in the middle of the rotating swing arm. One end of the connecting pin penetrates through the insertion hole position and is inserted into the front wheel. A circular clamping block is provided at the other end of the connecting pin.

[0028] In the above solution, the positioning groove is arranged inside the rear wheel of the vehicle base. The positioning groove is divided into an insertion groove and a positioning groove. The insertion groove penetrates through the vehicle base from the bottom of the positioning groove. The positioning insertion block is strip-shaped. The bottom of the positioning insertion block is inserted into the insertion groove. A circular ring protruding outward is provided on one side of the positioning insertion block. An installation hole position for the connecting rod shaft to pass through is provided in the middle of the circular ring.

[0029] The positioning structure can facilitate the installation of the connecting rod shaft on the vehicle base. The connecting rod shaft is installed with positioning insertion blocks on both the left and right sides. The positioning insertion blocks can be installed in the positioning grooves. The bottom of the positioning insertion blocks is inserted into the insertion grooves. The cooperation between the two is more stable and the installation method is more convenient.

[0030] In the above solution, the driving gear set is divided into a driving active gear, a driving driven gear, and a driving gear. The driving active gear is arranged on the rotating shaft of the driving motor. The driving gear is sleeved on the connecting rod shaft. The driving active gear meshes with the driving driven gear. The driving driven gear meshes with the driving gear. Both the driving driven gear and the driving gear are double-layer gears. The two driven gears are sleeved on the rotating shaft. Two driving gears are arranged on the connecting rod shaft. A gear groove recessed downward is provided on the vehicle base. The driving gear is arranged in the gear groove.

[0031] Principle of driving operation: The operator sends a signal to the control circuit board through the controller. The control circuit board starts the rotation of the rotating shaft of the driving motor. The driving motor drives the driving gear to rotate at high speed through the driving active gear and the driving driven gear. While the driving gear rotates, the left and right rear wheels are pulled to rotate through the connecting rod shaft.

[0032] Principle of turning operation: First, the staff sends a signal to the circuit board of the small-sized remote control vehicle through the remote control. The circuit board sends a signal to the steering motor to control the rotation amplitude of the rotating shaft of the steering motor and control the turning angle of the toy vehicle. Then, the rotating shaft is started to drive the driven gear to rotate through the active gear. The driven gear drives the driving rotating shaft to rotate. The worm structure on the outer surface of the driving rotating shaft cooperates with the worm gear structure of the swing wheel disc to drive the swing wheel disc to swing. Finally, the connecting strip of the swing wheel disc drives the traction plate to swing. The traction plate swings through the rotating swing arms on both sides. The rotating swing arms rotate around the two cylinders as the axis. Thus, the front wheels are driven to rotate through the connecting pin, realizing the turning of the small-sized remote control vehicle.

[0033] Obviously, the above embodiments of the present utility model are merely examples for clearly illustrating the present utility model, rather than limitations on the implementation manners of the present utility model. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all implementation manners here. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the claims of the present utility model.

Claims

1. A small-sized remote control car, comprising: Vehicle shell, vehicle base, steering motor, transmission gear set, swing wheel disc, rotating swing arm, drive motor, drive gear set, connecting rod shaft, positioning insertion block, rear wheels, front wheels. The vehicle shell is installed on the vehicle base. It is characterized in that: the steering motor is installed at the front end part on the vehicle base, the transmission shaft of the steering motor drives the swing wheel disc to swing through the transmission gear set, the front end of the swing wheel disc is hinged to the traction plate, the rotating swing arms are hinged to the left and right ends of the traction plate, and the front wheels are connected to the rotating swing arms. The drive motor is installed at the rear end part on the vehicle base, the connecting rod shaft is connected between the two rear wheels, positioning insertion blocks are arranged at both ends of the connecting rod shaft, and the positioning insertion blocks are inserted into the positioning slots on both sides of the vehicle base. The drive motor drives the connecting rod shaft to rotate through the drive gear set. The control circuit board is electrically connected to the steering motor and the drive motor, and the remote control is signal-connected to the control circuit board.

2. The small-sized remote control car according to claim 1, wherein: The transmission gear set is divided into a driving gear, a driven gear and a driving rotating shaft. The front end of the rotating shaft of the steering motor is sleeved with the driving gear, the driving gear meshes with the driven gear, and the driven gear meshes with the traction gear at one end of the driving rotating shaft.

3. The small-sized remote control car according to claim 2, wherein: The shaft body of the driving rotating shaft is a worm, one end of the swing wheel disc is a worm gear, a rotating shaft hinged to the vehicle base is arranged in the middle section of the swing wheel disc, the worm meshes with the worm gear, and the driving rotating shaft drives the swing wheel disc to rotate around the rotating shaft through the cooperation of the worm and the worm gear.

4. A small-sized remote control car according to claim 1 or 3, characterized in that: A connecting strip extends forward from the front end of the swing wheel disc, and a cylindrical pin is arranged at the bottom of the connecting strip. The pin is inserted into the slot of the traction plate.

5. A small-sized remote control car according to claim 4, characterized in that: Cylinders are arranged above and below the rotating swing arm. The upper and lower cylinders are respectively hinged to the holes on the vehicle shell and the vehicle base. A connecting part extends outwards from the middle of the rotating swing arm. The bottom of the connecting part is inserted into the connecting hole of the traction plate through a connecting column. The traction plate drives the rotating swing arm to rotate around the upper and lower cylinders through the connecting column.

6. The small-sized remote control car according to claim 5, characterized in that: An insertion hole is arranged in the middle of the rotating swing arm. One end of the connecting pin penetrates through the insertion hole and is inserted into the front wheel, and a circular clamping block is arranged at the other end of the connecting pin.

7. A small-sized remote control car according to claim 1, characterized in that: A protruding arrow-shaped cylinder is arranged in the middle of the swing wheel disc, and a potentiometer is arranged on the arrow-shaped cylinder. A rib for facilitating the installation of gears and the steering motor is arranged on the vehicle base. Two convex installation clamping strips are arranged on the vehicle base. The drive motor is arranged on the two horizontal installation clamping strips.

8. A small-sized remote control car according to claim 1, wherein: The positioning slot is arranged on the inner side of the rear wheel of the vehicle base. The positioning slot is divided into an insertion slot and a positioning slot. The insertion slot penetrates through the vehicle base from the bottom of the positioning slot. The positioning insertion block is strip-shaped. The bottom of the positioning insertion block is inserted into the insertion slot. A protruding ring is arranged on one side of the positioning insertion block, and an installation hole for the connecting rod shaft to pass through is arranged in the middle of the ring.

9. The small-sized remote control car according to claim 8, wherein: The drive gear set is divided into a driving driving gear, a driving driven gear and a driving gear. The driving driving gear is arranged on the rotating shaft of the drive motor, the driving gear is sleeved on the connecting rod shaft, the driving driving gear meshes with the driving driven gear, and the driving driven gear meshes with the driving gear.

10. A small-sized remote control car according to claim 9, characterized in that: Both the driving driven gear and the driving gear are double-layer gears. The two driven gears are sleeved on the rotating shaft, and two driving gears are arranged on the connecting rod shaft.

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