High-torque steering driving structure of toy engineering vehicle

Abstract

The utility model relates to the technical field of toys, in particular to a high-torque steering driving structure of a toy engineering truck. According to the technical scheme, the device comprises a driving motor, a speed reducer, a driving screw rod, a driving gear, a steering transmission component and a steering driving component which are mounted on a vehicle head; an output shaft of the driving motor is in driving connection with the driving screw through the speed reducer, spiral teeth are arranged on the driving screw and are in meshed connection with the driving gear, the driving gear is in driving connection with the steering driving component through the steering transmission component, and the steering driving component is fixedly connected with a vehicle body of the toy engineering vehicle. The toy engineering vehicle has the beneficial effects that the structure that the driving motor, the speed reducer, the driving screw and the driving gear are matched with the steering transmission component and the steering driving component is adopted, steering control over the vehicle head is achieved by driving the steering driving component to rotate around the vehicle head of the toy engineering vehicle, the overall structure is simpler, steering driving force with larger torque can be provided, and the service life of the toy engineering vehicle is prolonged. And the playability of the toy engineering truck is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of toys, in particular to a high-torque steering drive structure of a toy engineering vehicle. Background Art

[0002] A toy engineering vehicle is a highly playable toy vehicle. By simulating the structure of a real engineering vehicle, it has more operable actions during play. In order to further improve the playability of the toy engineering vehicle, it is necessary to increase the output torque of the toy vehicle, especially when the toy engineering vehicle has a strong load-bearing capacity and needs to be driven to turn, it is necessary to provide a steering drive force with a large torque for the toy engineering vehicle. The conventional structure currently used is to drive the steering of the front wheels. This type of steering drive structure is relatively complex and it is difficult to achieve a steering drive with a large torque. Utility Model Content

[0003] The utility model aims to provide a high-torque steering drive structure for a toy engineering vehicle, and in particular to provide a high-torque steering drive structure capable of providing a high-torque steering force.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-torque steering drive structure for a toy engineering vehicle, comprising a driving motor, a reducer, a driving screw, a driving gear, a steering transmission component and a steering drive component, wherein the driving motor, the reducer, the driving screw, the driving gear, the steering transmission component and the steering drive component are all installed on the front of the toy engineering vehicle; the output shaft of the driving motor is drivingly connected to the driving screw through the reducer, the driving screw is provided with helical teeth meshing with the driving gear, the driving gear is drivingly connected to the steering drive component through the steering transmission component, and the steering drive component is fixedly connected to the body of the toy engineering vehicle.

[0005] Specifically, the steering transmission component includes a rotating seat and a transmission connecting rod. A driving cross bar is provided on the driving gear, and a driving slot is provided on the rotating seat. The driving gear is connected to the driving slot on the rotating seat through the driving cross bar, and both sides of the rotating seat are connected to the steering driving component through the transmission connecting rod.

[0006] Specifically, the driving gear includes a gear body and a connecting shaft, the gear body is fixedly clamped on the connecting shaft, the driving cross bar runs through the connecting shaft, and the rotating seat is rotatably connected to the connecting shaft.

[0007] Specifically, the connecting shaft of the driving gear is rotatably connected to the front of the toy engineering vehicle through a bearing.

[0008] Specifically, the driving screw is rotatably connected to the head of the toy engineering vehicle through a bearing.

[0009] The beneficial effect of the utility model is that by adopting a driving motor, a reducer, a driving screw and a driving gear in conjunction with a steering transmission component and a steering drive component, the steering drive component is driven to rotate around the front of the toy engineering vehicle, and the steering drive component is fixed to the body of the toy engineering vehicle, so as to realize the steering control of the front of the vehicle. The overall structure is more concise and can provide a steering drive force with greater torque, thereby improving the playability of the toy engineering vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Attached Figure 1 It is a diagram of the overall connection structure of the steering drive structure and the toy engineering vehicle in the embodiment;

[0011] Attached Figure 2 This is a structural diagram of the connection between the steering drive structure and the front of the vehicle in the embodiment;

[0012] Attached Figure 3 Schematic diagram of the internal connection structure of the steering drive structure in the embodiment. DETAILED DESCRIPTION

[0013] Example 1, reference Figure 1-3 A high-torque steering drive structure for a toy engineering vehicle comprises a driving motor 1, a reducer 2, a driving screw 3, a driving gear 4, a steering transmission component 5 and a steering drive component 6, wherein the driving motor 1, the reducer 2, the driving screw 3, the driving gear 4, the steering transmission component 5 and the steering drive component 6 are all installed on the front of the toy engineering vehicle 71; the output shaft of the driving motor 1 is drivingly connected to the driving screw 3 through the reducer 2, the driving screw 3 is provided with helical teeth meshing with the driving gear 4, the driving gear 4 is drivingly connected to the steering drive component 6 through the steering transmission component 5, and the steering drive component 6 is fixedly connected to the body 72 of the toy engineering vehicle.

[0014] In this embodiment, the drive motor 1, the reducer 2, the drive screw 3, the drive gear 4, the steering transmission component 5 and the steering drive component 6 are all installed on the front of the toy engineering vehicle 71, wherein the drive motor 1 and the reducer 2 are fixed on the front of the vehicle 71, the drive motor 1 drives the drive screw 3 to rotate through the reducer 2, and the drive motor 1 reduces the output speed through the reducer 2, thereby increasing the output torque; when the drive screw 3 rotates, the drive gear 4 is rotated through the helical teeth thereon, and when the drive gear 4 rotates, the steering drive component 6 is driven to rotate through the steering transmission component 5, wherein the steering drive component 6 is rotatably connected to the rear end of the front of the vehicle 71 and fixedly connected to the vehicle body 72. Since the vehicle body 72 is heavier and the active drive wheel is set on the vehicle body 72, when the drive motor 1 drives the steering drive component 6 to rotate around the front of the vehicle 71, the steering drive of the front of the vehicle 71 can be achieved.

[0015] Specifically, the steering transmission component 5 includes a rotating seat 51 and a transmission connecting rod 52, a driving cross bar 41 is provided on the driving gear 4, a driving slot 53 is provided on the rotating seat 51, the driving gear 4 is connected with the driving slot 53 on the rotating seat 51 through the driving cross bar 41, and both sides of the rotating seat 51 are connected to the steering drive component 6 through the transmission connecting rod 52; the driving gear 4 includes a gear body 42 and a connecting shaft 43, the gear body 42 is fixedly connected to the connecting shaft 43, the driving cross bar 41 runs through the connecting shaft 43, and the rotating seat 51 is connected to the connecting shaft 43. The driving gear 4 drives the rotating seat 51 to rotate through the driving cross bar 41, and the rotating seat 51 drives the steering drive component 6 to rotate through the transmission connecting rods 52 on both sides, so that the output torque can be increased and the playability of the toy engineering vehicle can be improved.

[0016] In addition, since the steering drive structure in this embodiment needs to provide a steering drive force with a large torque, the rotation performance of the components that bear the large torque can be improved by setting bearings. Specifically, the connecting shaft 43 of the driving gear 4 is rotatably connected to the front of the toy engineering vehicle 71 through the bearing 8; the driving screw 3 is rotatably connected to the front of the toy engineering vehicle 71 through the bearing 8.

[0017] Of course, the above are only preferred implementations of the present utility model, and are not intended to limit the scope of use of the present utility model. Therefore, any equivalent changes made to the principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A high torque steering drive structure for a toy engineering vehicle, characterized in that: The invention comprises a driving motor, a speed reducer, a driving screw, a driving gear, a steering transmission component and a steering drive component, wherein the driving motor, the speed reducer, the driving screw, the driving gear, the steering transmission component and the steering drive component are all installed on the front of the toy engineering vehicle; the output shaft of the driving motor is drivingly connected to the driving screw through the speed reducer, the driving screw is provided with helical teeth meshingly connected to the driving gear, the driving gear is drivingly connected to the steering drive component through the steering transmission component, and the steering drive component is fixedly connected to the body of the toy engineering vehicle.

2. A high torque steering drive structure for a toy engineering vehicle according to claim 1, characterized in that: The steering transmission component includes a rotating seat and a transmission connecting rod. A driving cross bar is provided on the driving gear, and a driving slot is provided on the rotating seat. The driving gear is connected to the driving slot on the rotating seat through the driving cross bar, and both sides of the rotating seat are connected to the steering drive component through the transmission connecting rod.

3. A high torque steering drive structure for a toy engineering vehicle according to claim 2, characterized in that: The driving gear comprises a gear body and a connecting shaft, the gear body is fixedly clamped on the connecting shaft, the driving cross bar runs through the connecting shaft, and the rotating seat is rotatably connected to the connecting shaft.

4. A high torque steering drive structure for a toy engineering vehicle according to claim 3, characterized in that: The connecting shaft of the driving gear is rotatably connected to the front of the toy engineering vehicle through a bearing.

5. A high torque steering drive structure for a toy engineering vehicle according to claim 1, characterized in that: The driving screw is rotatably connected to the front of the toy engineering vehicle through a bearing.

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