Wheel type propeller and hovercar

Abstract

The utility model relates to the field of hovercars, in particular to a wheel type propeller which comprises a wheel, a ducted fan and a driving motor, the wheel comprises a hub and a rim, the ducted fan is arranged on the inner side of the rim and is coaxial with the hub, the hub serves as a ducted body of the ducted fan, and the rim serves as a ducted shell of the ducted fan; the driving motor and the ducted fan are arranged on the two sides of the hub correspondingly. The driving motor comprises an output main shaft and an electronic clutch device. The output main shaft penetrates through the hub and is fixed to the axis of the ducted fan, and an output shaft of the driving motor is disconnected with or connected with the hub through the electronic clutch device. The wheel type propeller not only can be used for the hovercar to run on the land, but also can be used for the hovercar to fly in the air, so that the space and the weight of four walking wheels which are independently arranged in the hovercar are reduced; meanwhile, the clutch function of the wheel hub is achieved through the suction function of the electromagnetic valve arranged in the driving motor, and therefore the wheel and the ducted fan can be independently driven.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of flying car, concretely is a wheel type propeller and flying car. BACKGROUND

[0002] The flying car is an aerial vehicle that modern aircraft researchers have been exploring, and there are many technical solutions now. The tire structure of the car is changed so that it can be used as a propeller of an aircraft. However, most patents, such as Chinese Patent Application No. 202311300521.4, entitled "Leg Propeller Integrated Land-Air Quick Conversion Flying Car", use a first motor to drive the hub, a second motor to drive the propeller, and the second motor is arranged inside the wheel, which is complex in structure and needs to be optimized. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims to provide a wheel type propeller and flying car to solve the problems raised in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a wheel type propeller, comprising a wheel, a duct fan and a driving motor, the wheel comprises a hub and a rim, the duct fan is arranged on the inner side of the rim, and is coaxial with the hub, the hub serves as the duct body of the duct fan, and the rim serves as the duct shell of the duct fan;

[0005] The driving motor and the duct fan are arranged on both sides of the hub, the driving motor comprises an output spindle and an electronic clutch device, the output spindle passes through the hub and is fixed with the shaft center of the duct fan, and the output shaft of the driving motor is disconnected or connected with the hub through the electronic clutch device.

[0006] Preferably, the electronic clutch device comprises a plurality of electromagnetic valves and limit valve cores, the electromagnetic valves are arranged on the output shaft of the driving motor, a first valve core cavity is arranged in the electromagnetic valve, and a spring is arranged in the first valve core cavity;

[0007] A plurality of second valve core cavities are arranged on the side of the hub facing the driving motor, the second valve core cavities correspond to the first valve core cavities one by one and form valve core cavities;

[0008] The limit valve cores are arranged in the valve core cavities and are affected by the electromagnetic valves or the springs to leave or enter the second valve core cavities.

[0009] Preferably, the electromagnetic valves and the limit valve cores are provided with five groups in total and are uniformly distributed around the output spindle.

[0010] Preferably, the duct fan comprises six or eight propellers.

[0011] Preferably, the vehicle wheel further comprises a pneumatic tire arranged outside the wheel rim and a wheel spoke connecting the wheel rim and the wheel hub.

[0012] The utility model discloses a flying car, including car body and the wheel type propeller of wheel type propeller, wheel type propeller is connected to car body through axle, and axle can rotate around its axis, and wheel type propeller is connected through steering mechanism between axle.

[0013] Preferably, the steering mechanism comprises a steering shaft and a steering drive motor, the steering shaft is fixed to the back side of the drive motor, and the end of the axle is provided with a steering drive motor to drive the wheel type propeller to rotate around the steering shaft.

[0014] Preferably, the output end of the steering drive motor is coaxially connected with a first gear, and the outside of the steering shaft is coaxially fixed with a second gear, and the first gear and the second gear are engaged.

[0015] Preferably, an angle sensor is arranged on the outside of the steering drive motor, and the angle sensor is located at the rear end of the steering drive motor.

[0016] Preferably, the axle comprises an inner axle, an outer axle and a telescopic electric cylinder, the inner axle and the outer axle form a nested telescopic structure through the telescopic electric cylinder, and the inner axle reciprocally moves in extension and retraction relative to the outer axle.

[0017] Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a wheel type propeller, which can be used for flying car driving on land and flying in the air, reducing the space and weight of separately arranging four walking wheels in the flying car; meanwhile, the utility model realizes the clutch function of the wheel hub by relying on the suction function of the electromagnetic valve built in the drive motor, so as to independently drive the wheel and the ducted fan. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic diagram of one embodiment of the utility model wheel type propeller and axle;

[0019] Figure 2 is Figure 1 another view structural schematic diagram of;

[0020] Figure 3 is Figure 2 structure schematic diagram after wheel and ducted fan are hidden;

[0021] Figure 4 is Figure 3Structure schematic diagram after hiding inner axle and outer axle;

[0022] Figure 5 is the schematic diagram of the wheel propeller and the axle along the axial direction of the steering shaft;

[0023] Figure 6 is Figure 5 the cross-sectional schematic diagram of A-A (hiding the inner structure of the axle);

[0024] Figure 7 is the schematic diagram of the wheel propeller and the axle along the axial direction of the steering shaft;

[0025] Figure 8 is Figure 7 the schematic diagram of the wheel propeller rotating around the steering shaft. DETAILED DESCRIPTION

[0026] The utility model discloses a wheel propeller and flying car, the flying car includes car body and the wheel propeller, and the wheel propeller is equipped with four, and is located the position of four walking wheels of car body respectively. The utility model is not in the improvement car body, therefore hides the drawing description of car body.

[0027] The wheel propeller is connected to the car body through the axle 4, please refer to Figure 1 And Figure 2 The wheel propeller includes wheel 1, duct fan 2 and drive motor 3, and in the lifting fan of the aircraft, duct fan 2 has the significant advantage of low noise and large pulling force.

[0028] The wheel 1 includes hub 11, spoke 12, rim 13 and pneumatic tire 14, the pneumatic tire 14 is wrapped on the outside of the rim 13, and the spoke 12 is connected to the rim 13 and the hub 11. The duct fan 2 can include six or eight blades, and is integrally arranged on the inside of the rim 13 and coaxial with the hub 11. Through the structure, the hub 11 serves as the duct body of the duct fan 2, and the rim 13 serves as the duct shell of the duct fan 2, so as to reduce the space and weight of the four walking wheels arranged separately on the flying car.

[0029] Please refer to Figures 3 to 6 The drive motor 3 is arranged on the two sides of the hub 11 respectively, the drive motor 3 is fixed relative to the hub 11, and the connection between the drive motor 3 and the hub 11 is realized through the electronic clutch device. The output shaft of the drive motor 3 is fixed with an output spindle 31, the output spindle 31 penetrates through the hub 11 and is fixed with the shaft center of the duct fan 2. The electronic clutch device includes five groups of electromagnetic valves 32 and limit valve cores 33, the electromagnetic valves 32 are fixed on the output shaft of the drive motor 3 and are uniformly distributed around the output spindle 31, please refer to Figure 4 .

[0030] Referring to Figure 6 , the electromagnetic valve 32 is provided with a first spool cavity 34 and a spring, and the spring is arranged in the first spool cavity 34. The side of the hub 11 facing the driving motor 3 is provided with a plurality of second spool cavities 15, which correspond to the first spool cavities 34 one by one and form a complete spool cavity. The limit spool 33 is arranged in the spool cavity and is affected by the electromagnetic valve 32 or the spring to leave or enter the second spool cavity 15:

[0031] When the electromagnetic valve 32 is powered on, the limit spool 33 is attracted into the first spool cavity 34, disconnecting the output shaft of the driving motor 3 and the hub 11; when the electromagnetic valve 32 is powered off, the limit spool 33 is partially pushed into the second spool cavity 15 under the pressure of the spring, establishing the connection between the output shaft of the driving motor 3 and the hub 11. Based on the above structure, the output shaft of the driving motor 3 can be disconnected or connected with the hub 11 through the electronic clutch device, realizing the function of independently driving the ducted fan 2 and the wheel 1.

[0032] Referring to Figures 1 to 4 , the axle 4 includes an inner axle 41, an outer axle 42 and a telescopic electric cylinder 43, and the inner axle 41 and the outer axle 42 form a telescopic structure through the telescopic electric cylinder 43. The outer axle 42 is arranged inside the vehicle body, and the inner axle 41 telescopes reciprocally from the end of the outer axle 42 close to the outer side.

[0033] Among the two ends of the inner axle 41, the end on the outer side is connected with the wheel propeller through the steering mechanism 5. Through the telescopic property of the axle 4, the wheel propeller can also reciprocate relative to the vehicle body along the width direction of the vehicle body to cooperate to achieve various positions required to be reached by the wheel propeller.

[0034] Referring to Figure 3 and Figure 4 , the steering mechanism 5 includes a steering driving motor 51 and a steering shaft 52, the steering driving motor 51 is fixed inside the end of the inner axle 41, and the output end of the steering driving motor 51 is connected with a first gear 53, and the first gear 53 is coaxial with the output shaft; the steering shaft 52 is fixed to the back side of the driving motor 3 and rotates with the end of the inner axle 41, and the outer side of the steering shaft 52 is fixed with a second gear 54, and the second gear 54 is coaxial with the steering shaft 52. The first gear 53 and the second gear 54 are engaged to realize the rotation of the wheel propeller around the steering shaft 52 driven by the steering driving motor 51. The second gear 54 only needs to have a part of gear teeth, so that when the first gear 53 cooperates with it, the steering shaft 52 can rotate 90° around its own axis. Compared with the commonly used steering mechanism 5, the gear transmission steering mechanism 5 is compact in size, small in space occupation, and large in output torque.

[0035] Figure 7 andFigure 8 Two positions of the wheel propeller are shown, which represent that after the steering drive motor 51 is started, the wheel propeller is simultaneously rotated in a space range along with the steering shaft 52, the overall rotation of the wheel propeller around the steering shaft 52 is realized by 90°, and the switching between the walking wheel and the flight propeller of the wheel propeller is realized.

[0036] The outer axle 42 is rotationally connected with the vehicle body, the axis thereof is horizontal and parallel to the width direction of the flying car.

[0037] The above mechanical structure is embedded with a program mode, which includes a driving mode, a moving mode, a taking-off and landing mode and a flying mode, and the chassis of the vehicle body is provided with an electric supporting cylinder for assisting the flying car in supporting the vehicle body during mode conversion.

[0038] The position states of the electromagnetic valve 32, the steering shaft 52 and the wheel propeller corresponding to the four modes are as follows:

[0039] In the driving mode, the electromagnetic valve 32 is de-energized, the wheel propeller is used as the walking wheel and is driven as a whole by the drive motor 3, and the flying car drives on land.

[0040] In the moving mode, the electromagnetic valve 32 is de-energized, the wheel propeller is still used as the walking wheel, the steering shaft 52 is in a vertical state and the wheel propeller is parallel to the width direction of the vehicle body, and at this time, the flying car drives laterally at low speed.

[0041] In the taking-off and landing mode, the electromagnetic valve 32 is energized, the wheel propeller is used as the flight propeller, the electric supporting cylinder works, and the steering shaft 52 and the wheel propeller are both in a horizontal state.

[0042] In the flying mode, the electromagnetic valve 32 is energized, the wheel propeller is used as the flight propeller, the steering shaft 52 is in a vertical state and the wheel propeller is parallel to the width direction of the vehicle body, and at this time, the drive motor 3 can only drive the ducted fan 2 by relying on the output shaft 31.

[0043] In summary, the wheel propeller provided by the utility model can be used for driving the flying car on land and flying the flying car in the air, and the utility model realizes the clutch function of the wheel hub 11 of the wheel 1 by relying on the attraction function of the electromagnetic valve 32 built in the drive motor 3, so that the wheel 1 and the ducted fan 2 can be independently driven.

[0044] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A wheel propeller, comprising a wheel (1), a ducted fan (2) and a driving motor (3), characterized in that: the wheel (1) comprises a hub (11) and a rim (13), the ducted fan (2) is arranged on the inner side of the rim (13) and coaxial with the hub (11), the hub (11) serves as a duct body of the ducted fan (2), and the rim (13) serves as a duct shell of the ducted fan (2); the driving motor (3) and the ducted fan (2) are arranged on both sides of the hub (11) respectively, the driving motor (3) comprises an output spindle (31) and an electronic clutch device; the output spindle (31) penetrates through the hub (11) and is fixed with the shaft center of the ducted fan (2), and the output shaft of the driving motor (3) is disconnected or connected with the hub (11) through the electronic clutch device.

2. The wheel propeller according to claim 1, characterized in that: the electronic clutch device comprises a plurality of electromagnetic valves (32) and limit valve cores (33), the electromagnetic valves (32) are arranged on the output shaft of the driving motor (3), the electromagnetic valves (32) are provided with first valve core cavities (34) therein, and the first valve core cavities (34) are provided with springs therein; the hub (11) is provided with a plurality of second valve core cavities (15) on the side facing the driving motor (3), the second valve core cavities (15) correspond to the first valve core cavities (34) one by one and form valve core cavities; the limit valve cores (33) are arranged in the valve core cavities and are affected by the electromagnetic valves (32) or the springs to exit or enter the second valve core cavities (15); the electromagnetic valves (32) and the limit valve cores (33) are provided with five groups in total and are uniformly distributed around the output spindle (31); the ducted fan (2) comprises six or eight blades; the wheel (1) further comprises an air tire (14) and a spoke (12), the air tire (14) is arranged on the outer side of the rim (13), and the spoke (12) connects the rim (13) and the hub (11). A wheel propeller according to any one of claims 1-5 is connected to a vehicle body through an axle (4), the axle (4) can rotate around its axis, and the wheel propeller and the axle (4) are connected through a steering mechanism (5). The steering mechanism (5) comprises a steering shaft (52) and a steering driving motor (51), the steering shaft (52) is fixed to the back side of the driving motor (3), the end of the axle (4) is provided with the steering driving motor (51), and the steering driving motor (51) drives the wheel propeller to rotate around the steering shaft (52). The output end of the steering driving motor (51) is coaxially connected with a first gear (53), the outer side of the steering shaft (52) is coaxially fixed with a second gear (54), and the first gear (53) and the second gear (54) are engaged. ​ ​ 3. The wheeled propeller of claim 2, wherein: ​ 4. The wheeled propeller of claim 1, wherein: ​ 5. The wheeled propeller of claim 1, wherein: ​ 6. A flying car characterized by: ​ 7. The flying car of claim 6, wherein: ​ 8. The flying car of claim 7, wherein: ​ 9. The flying car of claim 8, wherein: The outer side of the steering drive motor (51) is provided with an angle sensor, which is located at the rear end of the steering drive motor (51).

10. The flying car according to any one of claims 6-9, characterized in that: The axle (4) comprises an inner axle (41), an outer axle (42) and a telescopic electric cylinder (43), the inner axle (41) and the outer axle (42) form a nested telescopic structure through the telescopic electric cylinder (43), and the inner axle (41) reciprocates telescopically relative to the outer axle (42).

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