Hall sensing steering mechanism toy car

Abstract

The utility model discloses a toy car with a Hall sensing steering mechanism, and particularly relates to the field of toy cars, the toy car comprises a toy car base, the top of the toy car base is connected with a fixing frame, one side of the fixing frame is connected with a steering wheel through a rotating shaft, one side of the toy car base is connected with an adjusting block through a movable shaft, and the adjusting block is connected with the steering wheel through a rotating shaft. Adjusting holes are formed in the two sides of the adjusting block, a limiting groove is formed in the top of the adjusting block, a magnetic block is embedded in the limiting groove, a fixed circuit board is arranged at the top of the fixed frame, and a Hall sensor is arranged at the bottom of the side, close to the adjusting block, of the fixed circuit board; the Hall sensor can detect existence and change of a magnetic field when the magnetic block moves in real time and convert the change of the magnetic field into an electric signal, then the servo motor is controlled through the fixed circuit board to conduct accurate steering control, and accurate proportional steering control is achieved in the mode that the Hall sensor is adopted to detect the change of the magnetic field.

Description

Technical Field

[0001] The utility model relates to the field of toy cars, and more specifically, to a toy car with a Hall sensor steering mechanism. Background Art

[0002] Toy cars are popular toys for children. They typically mimic the appearance and functionality of real vehicles, but are smaller and more suitable for children to play with. There are many different types of toy cars, including static models, remote-controlled cars, and electric toy cars. Static model toy cars are primarily for collection and display, while remote-controlled and electric toy cars offer interactivity and entertainment, allowing the vehicle to be controlled via a remote control or manual operation.

[0003] After searching, the existing patent (Announcement No.: CN210356013U) discloses a remote control toy car, including a remote control, a body, and front wheels, rear wheels and a rear wheel drive unit installed on the body, the rear wheel drive unit is used to drive the rear wheels to drive the remote control toy car forward, backward and turn, the remote control toy car also includes a body drive unit, the body drive unit includes a first motor, a transmission assembly and a swing assembly, the first motor drives the swing assembly to swing left and right through the transmission assembly. The utility model realizes the left and right swing effect of the remote control toy car by the left and right swing of the swing assembly of the body drive unit, increases the playability of the remote control toy car, and has a simple structure. In the process of realizing the utility model, the inventor found that the prior art has the following problems:

[0004] At present, the remote control steering process of toy cars is often achieved through physical transmission such as gears. The steering accuracy is low, which can easily cause collisions during the turning process, thus affecting the remote control feel.

[0005] Therefore, in order to solve the above problems, a toy car with a Hall sensor steering mechanism is proposed. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the present invention provides a toy car with a Hall sensor steering mechanism to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a toy car with a Hall sensor steering mechanism, comprising a toy car base, the top of the toy car base being connected to a toy car shell, the top of the toy car base being connected to a fixing frame, the middle part of the fixing frame being fixedly connected to a servo motor, the output end of the servo motor being connected to a transmission gear, one side of the fixing frame being connected to a steering wheel via a rotating shaft, a first tooth groove being provided on one outer wall of the steering wheel, a second tooth groove being provided on the bottom of the steering wheel away from the first tooth groove, the first tooth groove being meshed with the transmission gear, an adjustment block being connected to one side of the toy car base via a movable shaft, adjustment holes being provided on both sides of the adjustment block, a third tooth groove being provided on the outer wall of the adjustment block close to the steering wheel, the third tooth groove being meshed with the second tooth groove.

[0008] Preferably, the servo motor drives the transmission gear to rotate, the transmission gear rotates and engages with the No. 1 tooth groove to drive the steering wheel to rotate, the steering wheel rotation drives the No. 2 tooth groove to rotate synchronously, and the rotation of the No. 2 tooth groove drives the No. 3 tooth groove and the adjustment block to rotate.

[0009] Preferably, a limiting groove is provided on the top of the adjustment block, a magnetic block is embedded in the limiting groove, a fixed circuit board is provided on the top of the fixing frame, a Hall sensor is provided on the bottom of the fixed circuit board close to the adjustment block, and the Hall sensor matches the magnetic block.

[0010] Preferably, mounting grooves are provided on both sides of the toy car base, and mounting blocks are connected to the bottoms of both sides of the fixed circuit board, and the mounting blocks are embedded in the mounting grooves.

[0011] Preferably, a front wheel axle is connected to the center of one side of the toy car base through a bearing, the outer wall of the front wheel axle is connected to a driving tooth groove, a transmission rod is embedded in both ends of the front wheel axle, a connecting head is provided at the end of the transmission rod away from the front wheel axle, and one end of the transmission rod is embedded in the inside of the connecting head.

[0012] Preferably, through slots are provided on both sides of the connector, and both sides of one end of the transmission rod close to the connector are connected to limit blocks, and both groups of the limit blocks pass through the outside of the through slots.

[0013] Preferably, the outer wall of the connecting head is provided with an adjustment ring, the top outer wall of the adjusting ring is connected to a connecting top block, the top of the connecting top block is embedded in the adjustment hole, and the end of the connecting head is connected to the front wheel through the adjusting ring.

[0014] Preferably, a drive box is provided on the side of the toy car base away from the front wheel axle, and the two sides of the drive box are connected to the drive wheels through the drive shaft. The output end of one side of the drive box is connected to the transmission shaft, and the end of the transmission shaft is connected to the No. 2 transmission gear, and the No. 2 transmission gear is meshed with the drive tooth groove.

[0015] The technical effects and advantages of this utility model are:

[0016] 1. Compared with the prior art, the Hall sensor steering mechanism toy car drives the transmission gear to rotate by a servo motor. The rotation of the transmission gear engages with the No. 1 tooth groove, thereby driving the steering wheel to rotate. The rotation of the steering wheel drives the No. 2 tooth groove to rotate synchronously. The rotation of the No. 2 tooth groove drives the No. 3 tooth groove and the adjustment block to rotate. The adjustment block is tilted to offset the adjustment hole, thereby pushing the connecting top block to tilt and swing. The movement of the connecting top block can drive the adjustment ring and the connecting head to tilt, thereby driving the front wheel to steer, thereby realizing the steering movement of the toy car. At the same time, the rotation of the adjustment block drives the magnetic block to rotate and tilt. The Hall sensor can detect the presence and change of the magnetic field when the magnetic block moves in real time and convert the change of the magnetic field into an electrical signal. The Hall sensor transmits the electrical signal of the magnetic block movement to the fixed circuit board to determine the steering angle. Then, the fixed circuit board controls the servo motor for precise steering control. By using the Hall sensor to detect the change of the magnetic field, precise proportional steering control is achieved. The precise proportional steering control achieved through software program code improves the steering accuracy of the toy car. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0018] Figure 2 This is a schematic diagram of the disassembled structure of the utility model.

[0019] Figure 3 This is a schematic diagram of the connection structure between the servo motor and the steering wheel of the utility model.

[0020] Figure 4 This is a schematic diagram of the connection structure between the front wheel axle and the front wheel of the utility model.

[0021] Figure 5 This is a schematic diagram of the connection structure of the toy car base of the utility model.

[0022] Figure 6 This is a schematic diagram of the fixed circuit board structure of the utility model.

[0023] Figure 7 This is a schematic diagram of the connection structure between the transmission shaft and the second transmission gear of the utility model.

[0024] Figure 8This is a schematic diagram of the connection structure between the fixed circuit board and the toy car base of the utility model.

[0025] Figure 9 This is a schematic diagram of the connection structure between the front wheel and the adjustment ring of the utility model

[0026] Figure 10 This is a schematic diagram of the connection structure between the adjustment block and the steering wheel of the utility model.

[0027] The accompanying drawings are marked as follows: 1. toy car base; 2. toy car shell; 3. fixing frame; 4. servo motor; 5. transmission gear; 6. steering wheel; 7. No. 1 tooth groove; 8. No. 2 tooth groove; 9. adjustment block; 91. adjustment hole; 10. limit groove; 11. magnetic block; 12. No. 3 tooth groove; 13. fixed circuit board; 14. Hall sensor; 15. mounting groove; 151. mounting block; 16. front wheel shaft; 161. driving tooth groove; 17. transmission rod; 18. limit block; 19. connector; 20. through groove; 21. adjustment ring; 22. front wheel; 23. connecting top block; 24. drive box; 25. drive wheel; 26. transmission shaft; 27. No. 2 transmission gear. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] Example 1

[0030] As attached Figures 1 to 10 The Hall sensor steering mechanism toy car shown includes a toy car base 1, a toy car shell 2 is connected to the top of the toy car base 1, a fixing frame 3 is connected to the top of the toy car base 1, a servo motor 4 is fixedly connected to the middle of the fixing frame 3, the output end of the servo motor 4 is connected to the transmission gear 5, one side of the fixing frame 3 is connected to the steering wheel 6 through a rotating shaft, a first tooth groove 7 is provided on the outer wall of one side of the steering wheel 6, a second tooth groove 8 is provided on the bottom of the side of the steering wheel 6 away from the first tooth groove 7, the first tooth groove 7 is meshed with the transmission gear 5, one side of the toy car base 1 is connected to an adjustment block 9 through a movable shaft, adjustment holes 91 are provided on both sides of the adjustment block 9, a third tooth groove 12 is provided on the outer wall of the side of the adjustment block 9 close to the steering wheel 6, and the third tooth groove 12 is meshed with the second tooth groove 8.

[0031] Among them: the servo motor 4 drives the transmission gear 5 to rotate, the transmission gear 5 rotates and engages with the No. 1 tooth groove 7 to drive the steering wheel 6 to rotate, the steering wheel 6 rotates to drive the No. 2 tooth groove 8 to rotate synchronously, the No. 2 tooth groove 8 rotates to drive the No. 3 tooth groove 12 and the adjustment block 9 to rotate, and the adjustment block 9 is tilted to offset the adjustment hole 91, thereby pushing the connecting top block 23 to tilt and swing, and the movement of the connecting top block 23 can drive the adjusting ring 21 and the connecting head 19 to tilt, thereby driving the front wheel 22 to steer, thereby realizing the steering movement of the toy car.

[0032] Example 2

[0033] Based on Example 1, the solution in Example 1 is further detailed in combination with the following specific working methods. Figures 1 to 10 As shown, see the following description for details:

[0034] As a preferred embodiment, the servo motor 4 drives the transmission gear 5 to rotate, the transmission gear 5 rotates to engage with the No. 1 tooth groove 7, thereby driving the steering wheel 6 to rotate, the steering wheel 6 rotates to drive the No. 2 tooth groove 8 to rotate synchronously, the No. 2 tooth groove 8 rotates to drive the No. 3 tooth groove 12 and the adjustment block 9 to rotate; further, the servo motor 4 drives the transmission gear 5 to rotate, thereby driving the steering wheel 6 and the adjustment block 9 to rotate, thereby realizing the steering movement of the toy car

[0035] As a preferred embodiment, a limiting slot 10 is provided on the top of the adjustment block 9, and a magnetic block 11 is embedded in the limiting slot 10. A fixed circuit board 13 is provided on the top of the fixing frame 3, and a Hall sensor 14 is provided on the bottom of the side of the fixed circuit board 13 close to the adjustment block 9, and the Hall sensor 14 matches the magnetic block 11; further, the adjustment block 9 rotates to drive the magnetic block 11 to rotate, tilt and swing. The Hall sensor 14 can detect the existence and change of the magnetic field when the magnetic block 11 moves in real time and convert the change of the magnetic field into an electrical signal. The electrical signal of the movement of the magnetic block 11 is transmitted to the fixed circuit board 13 through the Hall sensor 14 to judge the steering angle, and then the servo motor 4 is controlled by the fixed circuit board 13 to perform precise steering control. By adopting the method of using the Hall sensor 14 to detect the change of the magnetic field, the control of precise proportional steering is realized, and the control of precise proportional steering is realized through the software program code to improve the steering accuracy of the toy car.

[0036] As a preferred embodiment, mounting grooves 15 are provided on both sides of the toy car base 1, and mounting blocks 151 are connected to the bottom of both sides of the fixed circuit board 13, and the mounting blocks 151 are embedded in the mounting grooves 15; further, the mounting blocks 151 are embedded in the mounting grooves 15 to play a limiting role.

[0037] As a preferred embodiment, a front wheel axle 16 is connected to the center of one side of the toy car base 1 through a bearing, and the outer wall of the front wheel axle 16 is connected to a driving tooth groove 161. Transmission rods 17 are embedded at both ends of the front wheel axle 16, and a connecting head 19 is provided at the end of the transmission rod 17 away from the front wheel axle 16, and one end of the transmission rod 17 is embedded in the interior of the connecting head 19; further, the front wheel axle 16 plays a role of connecting and driving, and the rotation of the front wheel axle 16 can drive the transmission rod 17 to rotate synchronously, and the rotation of the transmission rod 17 can drive the connecting head 19 to rotate synchronously so as to drive the front wheel 22 to rotate.

[0038] As a preferred embodiment, through slots 20 are provided on both sides of the connecting head 19, and limiting blocks 18 are connected on both sides of one end of the transmission rod 17 close to the connecting head 19, and both sets of limiting blocks 18 pass through the outside of the through slots 20; further, the limiting blocks 18 pass through the through slots 20 so that the transmission rod 17 can be rotated to drive the connecting head 19 to rotate synchronously, and the connecting head 19 can be tilted through the through slots 20 to facilitate driving the front wheels 22 to perform steering movements.

[0039] As a preferred embodiment, the outer wall of the connecting head 19 is provided with an adjusting ring 21, the top outer wall of the adjusting ring 21 is connected to a connecting top block 23, the top of the connecting top block 23 is embedded in the adjusting hole 91, and the end of the connecting head 19 passes through the adjusting ring 21 and is connected to the front wheel 22; further, the adjusting block 9 is tilted to cause the adjusting hole 91 to shift, thereby pushing the connecting top block 23 to tilt, and the movement of the connecting top block 23 can drive the adjusting ring 21 and the connecting head 19 to tilt, thereby driving the front wheel 22 to steer, thereby realizing the steering movement of the toy car.

[0040] As a preferred embodiment, a drive box 24 is provided on the side of the toy car base 1 away from the front wheel axle 16, and drive wheels 25 are connected to both sides of the drive box 24 through drive shafts. A transmission shaft 26 is connected to the output end of one side of the drive box 24, and the end of the transmission shaft 26 is connected to a No. 2 transmission gear 27, which meshes with the drive tooth groove 161; further, a drive mechanism such as a drive motor and a drive shaft is provided inside the drive box 24 to drive the transmission shaft 26 and the drive wheel 25 to rotate. The drive box 24 drives the transmission shaft 26 to rotate, thereby driving the No. 2 transmission gear 27 to rotate. The rotation of the No. 2 transmission gear 27 drives the drive tooth groove 161 to rotate, thereby driving the front wheel axle 16 to rotate synchronously. The rotation of the front wheel axle 16 drives the front wheel 22 to rotate, so that the front wheel 22 and the drive wheel 25 rotate at the same time, realizing the four-wheel drive effect of the toy car.

[0041] The working process of the utility model is as follows: first, the servo motor 4 drives the transmission gear 5 to rotate, and the transmission gear 5 rotates to engage with the No. 1 tooth groove 7 to drive the steering wheel 6 to rotate. The steering wheel 6 rotates to drive the No. 2 tooth groove 8 to rotate synchronously. The No. 2 tooth groove 8 rotates to drive the No. 3 tooth groove 12 and the adjustment block 9 to rotate. The adjustment block 9 is tilted to offset the adjustment hole 91, thereby pushing the connecting top block 23 to tilt. The movement of the connecting top block 23 can drive the adjusting ring 21 and the connecting head 19 to tilt, thereby driving the front wheel 22 to perform steering movement, thereby realizing the steering movement of the toy car. At the same time, the adjustment block 9 rotates to drive the magnetic block 11 to rotate and tilt. The Hall sensor 14 can detect the existence and change of the magnetic field when the magnetic block 11 moves in real time and convert the change of the magnetic field into an electrical signal. The Hall sensor 14 transmits the electrical signal of the movement of the magnetic block 11 to the fixed circuit board 13 to determine the steering angle. Subsequently, the fixed circuit board 13 controls the servo motor 4 for precise steering control. By adopting the method of using the Hall sensor 14 to detect the change of the magnetic field, The control of precise proportional steering is achieved by software program code to improve the steering accuracy of the toy car. The front wheel shaft 16 plays the role of connecting drive. The rotation of the front wheel shaft 16 can drive the transmission rod 17 to rotate synchronously. The rotation of the transmission rod 17 can drive the connecting head 19 to rotate synchronously to drive the front wheel 22 to rotate. The adjustment block 9 is tilted so that the adjustment hole 91 is offset, thereby pushing the connecting top block 23 to tilt. By moving the connecting top block 23, the adjustment ring 21 and the connecting head 19 can be driven to tilt, thereby driving the front wheel 22 to steer, thereby realizing the steering movement of the toy car. The drive box 24 drives the transmission shaft 26 to rotate, thereby driving the second transmission gear 27 to rotate. The rotation of the second transmission gear 27 drives the drive tooth groove 161 to rotate, thereby driving the front wheel shaft 16 to rotate synchronously. The rotation of the front wheel shaft 16 drives the front wheel 22 to rotate, so that the front wheel 22 and the drive wheel 25 rotate at the same time, realizing the four-wheel drive function of the toy car. The above is the working principle of the toy car with Hall sensor steering mechanism.

Claims

1. A Hall sensor steering mechanism toy car, comprising a toy car base (1), characterized in that: The top of the toy car base (1) is connected to a toy car shell (2), the top of the toy car base (1) is connected to a fixing frame (3), the middle of the fixing frame (3) is fixedly connected to a servo motor (4), the output end of the servo motor (4) is connected to a transmission gear (5), one side of the fixing frame (3) is connected to a steering wheel (6) through a rotating shaft, a first tooth groove (7) is provided on one side outer wall of the steering wheel (6), a second tooth groove (8) is provided on the bottom of the side of the steering wheel (6) away from the first tooth groove (7), the first tooth groove (7) is meshed with the transmission gear (5), one side of the toy car base (1) is connected to an adjustment block (9) through a movable shaft, both sides of the adjustment block (9) are provided with adjustment holes (91), the outer wall of the side of the adjustment block (9) close to the steering wheel (6) is provided with a third tooth groove (12), the third tooth groove (12) is meshed with the second tooth groove (8).

2. A Hall sensor steering mechanism toy car according to claim 1, characterized in that: The servo motor (4) drives the transmission gear (5) to rotate, and the transmission gear (5) rotates to engage with the first tooth groove (7) to drive the steering wheel (6) to rotate, and the rotation of the steering wheel (6) drives the second tooth groove (8) to rotate synchronously, and the rotation of the second tooth groove (8) drives the third tooth groove (12) and the adjustment block (9) to rotate.

3. The Hall sensor steering mechanism toy car according to claim 1, characterized in that: A limiting groove (10) is provided on the top of the regulating block (9), a magnetic block (11) is embedded in the limiting groove (10), a fixed circuit board (13) is provided on the top of the fixing frame (3), a Hall sensor (14) is provided on the bottom of a side of the fixed circuit board (13) close to the regulating block (9), and the Hall sensor (14) matches the magnetic block (11).

4. A Hall sensor steering mechanism toy car according to claim 3, characterized in that: Both sides of the toy car base (1) are provided with mounting grooves (15), and the bottoms of both sides of the fixed circuit board (13) are connected with mounting blocks (151), and the mounting blocks (151) are embedded in the mounting grooves (15).

5. The Hall sensor steering mechanism toy car according to claim 1, characterized in that: A front wheel shaft (16) is connected to the center of one side of the toy car base (1) via a bearing, the outer wall of the front wheel shaft (16) is connected to a driving tooth groove (161), and a transmission rod (17) is embedded at both ends of the front wheel shaft (16). A connector (19) is provided at one end of the transmission rod (17) away from the front wheel shaft (16), and one end of the transmission rod (17) is embedded in the interior of the connector (19).

6. A Hall sensor steering mechanism toy car according to claim 5, characterized in that: Through slots (20) are provided on both sides of the connector (19), and both sides of one end of the transmission rod (17) close to the connector (19) are connected to limit blocks (18), and both groups of the limit blocks (18) pass through the outside of the through slots (20).

7. A Hall sensor steering mechanism toy car according to claim 6, characterized in that: The outer wall of the connecting head (19) is sleeved with an adjusting ring (21), the top outer wall of the adjusting ring (21) is connected to a connecting top block (23), the top of the connecting top block (23) is embedded in the adjusting hole (91), and the end of the connecting head (19) passes through the adjusting ring (21) and is connected to the front wheel (22).

8. The Hall sensor steering mechanism toy car according to claim 7, characterized in that: A drive box (24) is provided on a side of the toy car base (1) away from the front wheel shaft (16); both sides of the drive box (24) are connected to drive wheels (25) via drive shafts; an output end of one side of the drive box (24) is connected to a transmission shaft (26); an end of the transmission shaft (26) is connected to a second transmission gear (27); and the second transmission gear (27) is meshed with a drive tooth groove (161).

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