CN212194976U

CN212194976U - Flying motorcycle

Info

Publication number: CN212194976U
Application number: CN201922384921.3U
Authority: CN
Inventors: 李树峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-12-22
Anticipated expiration: 2029-12-26

Abstract

A flying motorcycle is characterized in that a gear transmission box is formed by assembling a gear transmission box body, a central gear, four driving propeller gears, a rear wheel fixed shaft gear, a rear wheel movable shaft gear, an engine fixed shaft gear, an engine movable shaft gear, a flying switch and a ground traveling switch. The lifting support is fixed on the frame of the motorcycle body. The left lifting component and the right lifting component are identical in structure and are symmetrically arranged. The right lifting assembly is arranged on the right side of the lifting support and is formed by assembling a folding arm, a brake cable mounting pipe, a transmission shaft mounting pipe, a supporting lead screw, a rotating gear shaft and a lifting motor. The folding arm rotating assembly comprises a rotating shaft mounting box body and a folding arm rotating shaft. The device can take off and be easily folded when the device is in advance in different places, has no great difference with the appearance of a common vehicle body after being folded, is free to fold and unfold, is easy to produce, has low cost, can be used by electric, gasoline power or oil and electricity, and is a product with very high popularity.

Description

Flying motorcycle

Technical Field

The utility model belongs to dual-purpose equipment field of sky way, in particular to flying motorcycle.

Background

The flying motorcycle technology invented by the prior art is separated from the appearance and the function of the original motorcycle, and some flying motorcycles can fly but have no land driving function, and some flying motorcycles can be used on land and air but cannot be folded, so that the occupied space is larger.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a flying motorcycle has solved current ordinary motorcycle and can not fly, can not fold, problem that occupation space is big.

The technical scheme is as follows:

the utility model provides a flying motorcycle, includes motorcycle body, gear drive box and two screw propellers and rotates lift folding device which characterized in that:

the gear transmission box comprises a gear transmission box body, a central gear, four driving propeller gears, a rear wheel fixed shaft gear, a rear wheel movable shaft gear, an engine fixed shaft gear, an engine movable shaft gear, a flight switch and a ground running switch.

The two ends of the central shaft of the rear wheel fixed shaft gear, the engine fixed shaft gear, the central gear and the four driving propeller gears respectively penetrate through corresponding through holes in the gear transmission box body and are rotatably connected with each other and supported by bearings in the through holes. The diameter of the central gear is larger than that of the driving propeller gears, and the four driving propeller gears are arranged around the central gear and are in meshed connection with the central gear. One end of a central shaft which drives the propeller gear is fixedly connected with a gear shaft transmission flexible shaft.

And a concentric shaft gear is respectively fixed on the central shafts of the rear wheel fixed shaft gear and the engine fixed shaft gear. The concentric shaft gear on the rear wheel fixed shaft gear is connected with the chain gear of the motorcycle body through a chain, and the concentric shaft gear on the engine fixed shaft gear is connected with the engine of the motorcycle body through a chain.

The rear wheel movable shaft support frame is sleeved on the central shaft of the rear wheel fixed shaft gear and is rotatably connected with the central shaft, and two ends of the central shaft of the rear wheel movable shaft gear are inserted into the through holes of the rear wheel movable shaft support frame and are rotatably connected with the through holes and are supported by bearings in the through holes. The rear wheel fixed shaft gear is meshed with the rear wheel movable shaft gear. And a rear wheel connecting positioning plate is arranged on one side of the rear wheel movable shaft support frame close to the central gear, and a rear wheel connecting spring is arranged on one side of the rear wheel movable shaft support frame far away from the central gear. One end of the rear wheel connecting spring is fixed on the rear wheel movable shaft support frame, and the other end of the rear wheel connecting spring is fixed on the gear transmission box body. The ground running switch passes through the rear wheel connecting and positioning plate through a brake cable and is fixedly connected on the rear wheel movable shaft support frame.

The engine movable shaft support frame is sleeved on a central shaft of the engine fixed shaft gear and is rotatably connected with the central shaft, and two ends of the central shaft of the engine movable shaft gear are inserted into through holes of the engine movable shaft support frame and are rotatably connected with the through holes and are supported by bearings in the through holes. The engine fixed shaft gear is meshed with the engine movable shaft gear. An engine connecting positioning plate is arranged on one side of the engine movable shaft support frame close to the central gear, and an engine connecting spring is arranged on one side of the engine movable shaft support frame far away from the central gear. One end of the engine connecting spring is fixed on the engine movable shaft gear, and the other end of the engine connecting spring is fixed on the gear transmission box body. The flying switch passes through the engine connecting positioning plate through the brake cable and is fixedly connected to the support frame of the movable shaft of the engine.

The flight switch comprises a switch shell, a handle and a base. A strip-shaped handle rotating hole is formed in the switch shell. The edge of the inner wall of the handle rotating hole is of a gear ring structure. The lower end face of the handle is provided with a base mounting hole, and the outer wall of the middle part of the handle is fixedly provided with a thrust tooth. The base is arranged in the switch shell, the lower end of the base is arc-shaped, and the upper end of the base is in a connecting rod shape. The lower end of the handle is inserted into the handle rotating hole, the base mounting hole on the handle is sleeved on the connecting rod of the base, the return spring is arranged in the base mounting hole and abuts against the upper end face of the base mounting hole and the upper end face of the base connecting rod. The thrust teeth on the handle are tightly clamped on the gear ring on the inner wall of the switch shell. The brake cable passes through the switch shell and is fixedly connected to the base.

The structure of the ground running switch is completely the same as that of the flight switch.

The switch shell of the flight switch and the switch shell of the ground running switch are fixedly arranged on the handlebar of the motorcycle body.

The two propellers are respectively arranged on the front wheel and the rear wheel of the motorcycle body in a rotating, lifting and folding way.

The propeller rotating, lifting and folding device comprises a lifting support, a folding arm rotating assembly, a left lifting assembly and a right lifting assembly.

The lifting support is fixed on the frame of the motorcycle body. The left lifting component and the right lifting component are identical in structure and are symmetrically arranged. The right lifting component is arranged on the right side of the lifting bracket,

the right lifting assembly comprises a folding arm, a brake cable installation pipe, a transmission shaft installation pipe, a support lead screw, a rotating gear shaft and a lifting motor, wherein the rotating gear shaft, the support lead screw, the brake cable installation pipe and the transmission shaft installation pipe are vertically arranged. The upper end and the lower end of the rotary gear shaft and the supporting screw rod are respectively inserted into corresponding mounting holes of the lifting bracket and are supported by bearings in the mounting holes. The lifting transmission gear is fixedly sleeved on the supporting screw rod, the shell of the lifting motor is fixedly arranged on the inner wall of the lifting support, and the gear sleeved on the power output shaft of the lifting motor is meshed and connected with the lifting transmission gear on the supporting screw rod. The support screw rod is sleeved with a support screw nut which is in threaded connection with the support screw nut, and the support screw nut is fixedly connected with the outer wall of the brake cable installation pipe and the outer wall of the transmission shaft installation pipe through a connecting rod. The propeller transmission shaft is inserted into the transmission shaft mounting pipe and is supported by a bearing in the transmission shaft mounting pipe. The lower end of the propeller transmission shaft is fixedly provided with a propeller transmission gear which is meshed with a rotary gear shaft.

A lower support rod of a folding arm is hinged on the support screw through a rotating shaft. The other end of the lower support rod of the folding arm is hinged with an upper support rod of the folding arm through a rotating shaft. The middle part of the upper supporting rod of the folding arm is hinged with a folding arm supporting screw rod through a rotating shaft. The folding arm supporting screw rod is sleeved with a folding arm supporting nut in threaded connection. The lower end of one side of the folding arm is provided with a folding arm pushing motor, and the folding arm pushes a connecting rod of a motor shell to be hinged with an outer wall ball of the folding arm. The power output shaft of the folding arm pushing motor is fixedly connected with the folding arm supporting nut. The other side of the folding arm is fixedly provided with a propeller. The outer wall of the lower end of the middle part of the folding arm is hinged with the other end of the supporting rod on the folding arm. The folding arm is hollow, and a propeller transmission flexible shaft is arranged in the folding arm. One end of the propeller transmission flexible shaft penetrates out of the outer wall of the folding arm and is fixedly connected with the upper end of the propeller transmission shaft. The other end of the propeller transmission flexible shaft penetrates out of the outer wall of the folding arm and is fixedly connected with the power input shaft of the propeller.

The folding arm rotating assembly comprises a rotating shaft mounting box body and a folding arm rotating shaft. The rotating shaft mounting box body is fixedly mounted on the outer walls of the upper ends of the brake cable mounting pipes and the transmission shaft mounting pipes of the left lifting assembly and the right lifting assembly. The folding arm rotating shaft is arranged in the rotating shaft mounting box body. The left end of the folding arm rotating shaft penetrates out of the outer wall of the rotating shaft mounting box body and is hinged with one end of the folding arm of the left lifting assembly through the rotating shaft. The right end of the folding arm rotating shaft penetrates out of the outer wall of the rotating shaft mounting box body and is hinged with one end of the folding arm of the right lifting assembly through the rotating shaft. The folding arm rotating shaft is rotatably connected with the rotating shaft mounting box body. The upper end and the lower end of the folding arm rotating shaft are respectively provided with a rotating spring, one end of the rotating spring is fixedly connected on the inner wall of the rotating shaft mounting box body, and the other end of the rotating spring is fixedly connected with a folding arm rotating brake cable. Fixed pulleys are fixedly arranged on the inner walls of the upper end and the lower end of the rotating shaft installation box body. The other ends of the two folding arm rotating brake lines are attached to the outer wall of the folding arm rotating shaft and pass through the brake line mounting pipes of the left lifting assembly and the right lifting assembly respectively to be fixedly connected to the propeller rotating switch by the fixed pulleys on the opposite sides. The shell of the propeller rotation switch is fixedly arranged on a handlebar of the motorcycle body. The structure of the propeller rotation switch is completely the same as that of the flight switch, and the other ends of the two folding arm rotation brake lines penetrate through the switch shell of the propeller rotation switch and are fixedly connected to the two ends of the base respectively.

The motorcycle body is an electric motorcycle or a gasoline motorcycle.

The gear shaft transmission flexible shaft and the propeller transmission flexible shaft have the same structure.

The transmission flexible shaft comprises a mandrel, a plurality of bearings and a sheath.

The bearing sleeves are arranged on the outer wall of the mandrel, and the outer skin is wrapped on the outer wall of the bearing. Every two bearings are spaced by a set distance, the outer ring of each bearing is fixedly connected with the inner wall of the outer skin, and the inner ring of each bearing is fixedly connected with the outer wall of the mandrel.

And a spring is sleeved between every two bearings outside the mandrel. The spring both ends are supported respectively and are pushed against on the bearing at both ends, and the crust parcel is on the outer wall of a plurality of springs and a plurality of bearings.

The two ends of the mandrel of each transmission flexible shaft are in a straight line shape, a fastening end is sleeved on the mandrel and fixedly connected with the mandrel, a fastening nut is sleeved on the fastening end, and the fastening nut is rotatably connected with the fastening end. A limiting boss is arranged on the fastening end. And a limiting baffle is arranged on the inner wall of the fastening nut. The limit boss of the fastening end is tightly propped against the limit baffle of the fastening nut, the end of the connecting shaft correspondingly connected with the transmission flexible shaft is in a screw rod shape, and a straight hole is formed in the end face. The core shaft of the transmission flexible shaft is inserted into the straight hole of the connecting shaft, and the fastening nut is screwed on the screw rod part of the connecting shaft.

The mandrel is a flexible shaft.

The mandrel comprises a plurality of connecting shafts. A plurality of connecting shafts are connected in sequence into a row, and every two connecting shafts are connected through a universal coupling.

The advantages are that: the device can take off and be easily folded when the device is in advance in different places, has no great difference with the appearance of a common vehicle body after being folded, is free to fold and unfold, is easy to produce, has low cost, can be used by electric, gasoline power or oil and electricity, and is a product with very high popularity.

Drawings

Fig. 1 is a schematic structural view of the utility model with the screw lifted. The propeller rises to be convenient for the flight focus to be in the below, and the flight is got up stably, overlooks the visual angle and opens, does not have the dead angle.

Fig. 2 is a top view of the present invention.

Fig. 3 is a schematic view of the internal structure of the propeller rotating lifting folding device.

Fig. 4 is a schematic structural view of the present transmission shaft according to the first embodiment.

FIG. 5 is a schematic view of the internal structure of the present transmission shaft in a bent state according to the first embodiment.

Fig. 6 is a schematic structural view of the present transmission shaft in the second embodiment.

Fig. 7 is a schematic structural diagram of the flight switch.

Fig. 8 is a schematic view of the end connection structure of the flexible transmission shaft.

Fig. 9 is a three-dimensional structure diagram of the folding arm rotating assembly.

Fig. 10 is a schematic structural view of the gear housing of the present invention.

Fig. 11 is a two-dimensional structure diagram of the folding arm rotating assembly.

FIG. 12 is a schematic structural view of the flying motorcycle in a land driving state.

Detailed Description

Example one

A flying motorcycle (as shown in figure 1) comprises a motorcycle body, a gear transmission box body (as shown in figure 10) and two propeller rotating, lifting and folding devices (as shown in figure 3), and is characterized in that:

the gear transmission case (as shown in figure 10) comprises a gear transmission case 7, a central gear 8, four driving propeller gears 9, a rear wheel fixed shaft gear 10, a rear wheel movable shaft gear 11, an engine fixed shaft gear 12, an engine movable shaft gear 13, a flight switch 14 and a ground running switch 15.

The two ends of the central shaft of the rear wheel fixed shaft gear 10, the engine fixed shaft gear 12, the central gear 8 and the four driving propeller gears 9 respectively penetrate through corresponding through holes on the gear transmission box body 7 and are rotatably connected with each other and supported by bearings in the through holes. The diameter of the central gear 8 is larger than that of the driving propeller gears 9, the four driving propeller gears 9 are arranged around the central gear 8, and the driving propeller gears 9 are meshed and connected with the central gear 8. One end of the central shaft of each driving propeller gear 9 is fixedly connected with a gear shaft transmission flexible shaft 16.

Concentric shaft gears are fixed to the central shafts of the rear wheel fixed shaft gear 10 and the engine fixed shaft gear 12, respectively. The concentric shaft gear on the rear wheel fixed shaft gear 10 is connected with the chain gear of the motorcycle body through a chain, and the concentric shaft gear on the engine fixed shaft gear 12 is connected with the engine gear of the motorcycle body through a chain.

The rear wheel movable shaft supporting frame 17 is sleeved on the central shaft of the rear wheel fixed shaft gear 10 and is connected in a rotating mode, and the two ends of the central shaft of the rear wheel movable shaft gear 11 are inserted into the through holes of the rear wheel movable shaft supporting frame 17 and are connected in a rotating mode and are supported by bearings in the through holes. The rear wheel fixed shaft gear 10 is meshed with the rear wheel movable shaft gear 11. On the rear wheel movable shaft support frame 17, a rear wheel connection positioning plate 19 is arranged on one side close to the central gear 8, and a rear wheel connection spring 20 is arranged on one side far away from the central gear 8. One end of the rear wheel connecting spring 20 is fixed on the rear wheel movable shaft supporting frame 17, and the other end is fixed on the gear transmission box body 7. The ground running switch 15 passes through the rear wheel connecting and positioning plate 19 through a brake cable and is fixedly connected on the rear wheel movable shaft support frame 17.

The central shaft of the engine fixed shaft gear 12 is sleeved with an engine movable shaft support frame 18 and is rotatably connected with the engine movable shaft gear, and two ends of the central shaft of the engine movable shaft gear 13 are inserted into through holes of the engine movable shaft support frame 18 and are rotatably connected with the engine movable shaft gear and are supported by bearings in the through holes. The engine fixed shaft gear 12 and the engine movable shaft gear 13 are in meshed connection. An engine connecting positioning plate 21 is arranged on one side of the engine movable shaft supporting frame 18 close to the central gear 8, and an engine connecting spring 22 is arranged on one side far away from the central gear 8. One end of the engine connecting spring 22 is fixed on the engine movable shaft gear 13, and the other end is fixed on the gear transmission case 7. The flying switch 14 passes through the engine connecting positioning plate 21 through a brake cable and is fixedly connected on the engine loose axle supporting frame 18.

The flight switch 14 includes a switch case 47, a handle 48, and a base 49. A bar-shaped handle rotation hole is formed in the switch case 47. The edge of the inner wall of the handle rotating hole is of a gear ring structure. The lower end face of the handle 48 is provided with a base mounting hole, and the outer wall of the middle part of the handle 48 is fixedly provided with a thrust tooth 50. The base 49 is arranged inside the switch shell 47, the lower end of the base 49 is circular arc-shaped, and the upper end of the base 49 is in the shape of a connecting rod. The lower end of the handle 48 is inserted into the handle rotating hole, the base mounting hole on the handle 48 is sleeved on the connecting rod of the base 49, the return spring 51 is arranged in the base mounting hole, and the return spring 51 is propped against the upper end surface of the base mounting hole and the upper end surface of the connecting rod of the base 49. The thrust teeth 50 on the handle 48 grip onto the inner wall of the switch housing 47. The brake cable passes through the switch housing 47 and is fixedly connected to the base 49.

The structure of the ground travel switch 15 is identical to that of the flight switch 14.

The switch case 47 of the flight switch 14 and the ground travel switch 15 is fixedly attached to the handle of the motorcycle body.

Flight mode: when the flying switch is pulled down, the brake cable pulls the support frame, and the movable shaft gear in the support frame is meshed with the central gear, so that the rotation of the motorcycle engine gear drives the engine fixed shaft gear, and then drives the movable shaft gear to rotate, namely the central gear rotates, and the propeller gear rotates.

Land driving mode: when the ground running switch is pulled down, the brake cable pulls the movable support frame, a movable shaft gear in the frame is meshed with an engine fixed shaft gear, the engine gear rotates to drive the movable shaft gear to rotate, the rear wheel fixed shaft gear is driven to rotate, and the rear wheel of the motorcycle is driven to rotate through a chain.

The propeller rotating, lifting and folding device comprises a lifting support 25, a folding arm rotating assembly, a left lifting assembly and a right lifting assembly.

The lifting bracket 25 is fixed on the frame of the motorcycle body. The left lifting component and the right lifting component are identical in structure and are symmetrically arranged. The right lifting assembly is mounted on the right side of the lifting bracket 25,

and the right lifting assembly comprises a folding arm 37, a brake cable mounting pipe 23, a transmission shaft mounting pipe 29, a supporting lead screw 24, a rotating gear shaft 28 and a lifting motor 27, wherein the rotating gear shaft 28, the supporting lead screw 24, the brake cable mounting pipe 23 and the transmission shaft mounting pipe 29 are vertically arranged. The upper and lower ends of the rotary gear shaft 28 and the support screw 24 are inserted into corresponding mounting holes of the elevating bracket 25, respectively, and are supported by bearings in the mounting holes. A lifting transmission gear 30 is fixedly sleeved on the supporting screw 24, a shell of the lifting motor 27 is fixedly arranged on the inner wall of the lifting support 25, and a gear sleeved on a power output shaft of the lifting motor 27 is meshed and connected with the lifting transmission gear 30 on the supporting screw 24. The supporting screw 24 is sleeved with a supporting nut 26 which is in threaded connection with the supporting screw 26, and the supporting nut 26 is fixedly connected with the outer walls of the brake cable mounting pipe 23 and the transmission shaft mounting pipe 29 through connecting rods. A propeller drive shaft 31 is inserted into the drive shaft mounting tube 29, and the propeller drive shaft 31 is supported by a bearing in the drive shaft mounting tube 29. The lower end of the propeller transmission shaft 31 is fixedly provided with a propeller transmission gear 32, and the propeller transmission gear 32 is meshed with the rotating gear shaft 28.

A folding arm lower support rod 33 is hinged on the support nut 26 through a rotating shaft. The other end of the folding arm lower support rod 33 is hinged with a folding arm upper support rod 34 through a rotating shaft. The middle part of the folding arm upper supporting rod 34 is hinged with a folding arm supporting screw 35 through a rotating shaft. A folding arm support nut 36 is sleeved on the folding arm support screw 35 and is connected with the folding arm support screw through threads. A folding arm pushing motor 39 is mounted at the lower end of one side of the folding arm 37, and a connecting rod of the housing of the folding arm pushing motor 39 is hinged with an outer wall ball of the folding arm 37. The power output shaft of the folding arm pushing motor 39 is fixedly connected with the folding arm support nut 36. A propeller 38 is fixedly mounted to the other side of the folding arm 37. The outer wall of the middle lower end of the folding arm 37 is ball-hinged with the other end of the support rod 34 on the folding arm. The folding arm 37 is hollow, and a propeller transmission flexible shaft is arranged in the folding arm 37. One end of the propeller transmission flexible shaft penetrates through the outer wall of the folding arm 37 and is fixedly connected with the upper end of the propeller transmission shaft 31. The other end of the propeller transmission flexible shaft penetrates through the outer wall of the folding arm 37 and is fixedly connected with a power input shaft of the propeller 38.

The folding arm rotating assembly includes a rotating shaft mounting case 41 and a folding arm rotating shaft 42. The rotating shaft mounting box 41 is fixedly mounted on the upper outer walls of the brake cable mounting pipes 23 and the transmission shaft mounting pipes 29 of the left lifting assembly and the right lifting assembly. The folding arm rotating shaft 42 is installed in the rotating shaft installation case 41. The left end of the folding arm rotating shaft 42 penetrates through the outer wall of the rotating shaft mounting box body 41 and is hinged with one end of the folding arm 37 of the left lifting assembly through a rotating shaft. The right end of the folding arm rotating shaft 42 penetrates through the outer wall of the rotating shaft mounting box body 41 and is hinged with one end of the folding arm 37 of the right lifting assembly through a rotating shaft. The folding arm rotating shaft 42 is rotatably connected to the rotating shaft mounting case 41. The upper and lower ends of the folding arm rotating shaft 42 are respectively provided with a rotating spring 43, one end of the rotating spring 43 is fixedly connected to the inner wall of the rotating shaft mounting box 41, and the other end is fixedly connected with a folding arm rotating brake cable 44. Fixed pulleys 45 are fixedly arranged on the inner walls of the upper and lower ends of the rotating shaft mounting case 41. The other ends of the two folding arm rotating brake cables 44 are attached to the outer wall of the folding arm rotating shaft 42 and pass through the brake cable mounting pipes 23 of the left lifting assembly and the right lifting assembly respectively to be fixedly connected to the propeller rotating switch 46 by the fixed pulleys 45 on the opposite sides. The outer casing of the propeller rotation switch 46 is fixedly mounted on the handle bar of the motorcycle body. The structure of the propeller rotation switch 46 is identical to that of the flight switch 14, and the other ends of the two folding arm rotation brake wires 44 penetrate through the switch shell of the propeller rotation switch 46 and are fixedly connected to the two ends of the base respectively. When the brake cable is pulled, the folding arm rotating shaft rotates to adjust the angle of the propeller by means of the friction force between the brake cable and the folding arm rotating shaft. When the brake cable returns to the original state, the spring pulls the folding arm rotating shaft back to the original state.

The power input interfaces of the folding arm pushing motor 39 and the lifting motor 27 are connected with the corresponding interfaces of the battery of the motorcycle body. The control signal input interfaces of the folding arm pushing motor 39 and the lifting motor 27 are connected with the corresponding interfaces of the control switch of the motorcycle body.

The motorcycle body is an electric motorcycle or a gasoline motorcycle.

The gear shaft transmission flexible shaft 16 and the propeller transmission flexible shaft have the same structure.

The gear shaft transmission flexible shaft 16 comprises a core shaft 1, a plurality of bearings 2 and a sheath 3.

The outer wall of the mandrel 1 is sleeved with the bearings 2, and the outer skin 3 is wrapped on the outer wall of the bearings 2. Every two bearings 2 are spaced by a set distance, the outer ring of each bearing 2 is fixedly connected with the inner wall of the outer skin 3, and the inner ring of each bearing 2 is fixedly connected with the outer wall of the mandrel 1.

And a spring 4 is sleeved between every two bearings 2 outside the mandrel 1. The two ends of the spring 4 are respectively propped against the bearings 2 at the two ends, and the outer skin 3 is wrapped on the outer walls of the plurality of springs 4 and the plurality of bearings 2.

The two ends of the mandrel 1 of each transmission flexible shaft are in a straight shape, a fastening end 52 is sleeved on the mandrel 1, the fastening end 52 is fixedly connected with the mandrel 1, a fastening nut 53 is sleeved on the fastening end 52, and the fastening nut 53 is rotatably connected with the fastening end 52. A limit boss is provided on the fastening end 52. And a limiting baffle is arranged on the inner wall of the fastening nut. The limit boss of the fastening end 52 is tightly propped against the limit baffle of the fastening nut 53, the end of the connecting shaft correspondingly connected with the transmission flexible shaft is in a screw rod shape, and a straight hole 54 is arranged on the end surface. The core shaft of the driving flexible shaft is inserted into the straight hole 54 of the connecting shaft, and the fastening nut 53 is screwed on the screw rod part of the connecting shaft.

The mandrel 1 is a flexible shaft.

Example two

The first embodiment and the second embodiment have the same structure, and the difference is that:

the mandrel 1 includes a plurality of connecting shafts 5. A plurality of connecting shafts 5 are connected in sequence to form a row, and every two connecting shafts 5 are connected through a universal coupling 6.

Claims

1. The utility model provides a flying motorcycle, includes motorcycle body, gear drive box and two screw propellers and rotates lift folding device which characterized in that:

the gear transmission box comprises a gear transmission box body (7), a central gear (8), four driving propeller gears (9), a rear wheel fixed shaft gear (10), a rear wheel movable shaft gear (11), an engine fixed shaft gear (12), an engine movable shaft gear (13), a flight switch (14) and a ground running switch (15);

two ends of a central shaft of the rear wheel fixed shaft gear (10), the engine fixed shaft gear (12), the central gear (8) and four driving propeller gears (9) respectively penetrate through corresponding through holes on the gear transmission box body (7) and are in rotary connection; the diameter of the central gear (8) is larger than that of the driving propeller gears (9), the four driving propeller gears (9) are arranged around the central gear (8), and the driving propeller gears (9) are meshed and connected with the central gear (8); one end of a central shaft of each driving propeller gear (9) is fixedly connected with a gear shaft transmission flexible shaft (16);

concentric shaft gears are respectively fixed on the central shafts of the rear wheel fixed shaft gear (10) and the engine fixed shaft gear (12); a concentric shaft gear on the rear wheel fixed shaft gear (10) is connected with a chain gear of the motorcycle body through a chain, and a concentric shaft gear on the engine fixed shaft gear (12) is connected with an engine gear of the motorcycle body through a chain;

a rear wheel movable shaft support frame (17) is sleeved on a central shaft of the rear wheel fixed shaft gear (10) and is in rotary connection, and two ends of the central shaft of the rear wheel movable shaft gear (11) are inserted into through holes of the rear wheel movable shaft support frame (17) and are in rotary connection; the rear wheel fixed shaft gear (10) is meshed with the rear wheel movable shaft gear (11); a rear wheel connecting positioning plate (19) is arranged on one side of the rear wheel movable shaft support frame (17) close to the central gear (8), and a rear wheel connecting spring (20) is arranged on one side of the rear wheel movable shaft support frame far away from the central gear (8); one end of a rear wheel connecting spring (20) is fixed on the rear wheel movable shaft support frame (17), and the other end is fixed on the gear transmission box body (7); the ground running switch (15) passes through the rear wheel connecting positioning plate (19) through a brake cable and is fixedly connected on the rear wheel movable shaft supporting frame (17);

an engine movable shaft support frame (18) is sleeved on a central shaft of the engine fixed shaft gear (12) and is rotationally connected with the central shaft, and two ends of the central shaft of the engine movable shaft gear (13) are inserted into through holes of the engine movable shaft support frame (18) and are rotationally connected with the central shaft; the engine fixed shaft gear (12) is meshed with the engine movable shaft gear (13); an engine connecting positioning plate (21) is arranged on one side of the engine movable shaft support frame (18) close to the central gear (8), and an engine connecting spring (22) is arranged on one side of the engine movable shaft support frame far away from the central gear (8); one end of an engine connecting spring (22) is fixed on the engine movable shaft gear (13), and the other end is fixed on the gear transmission box body (7); the flight switch (14) passes through the engine connecting positioning plate (21) through a brake cable and is fixedly connected to the engine movable shaft support frame (18);

the flight switch (14) comprises a switch shell (47), a handle (48) and a base (49); a strip-shaped handle rotating hole is formed in the switch shell (47); the edge of the inner wall of the handle rotating hole is of a gear ring structure; a base mounting hole is formed in the lower end face of the handle (48), and a thrust tooth (50) is fixedly arranged on the outer wall of the middle of the handle (48); the base (49) is arranged in the switch shell (47), the lower end of the base (49) is arc-shaped, and the upper end of the base (49) is in the shape of a connecting rod; the lower end of the handle (48) is inserted into the handle rotating hole, a base mounting hole on the handle (48) is sleeved on a connecting rod of the base (49), a return spring (51) is arranged in the base mounting hole, and the return spring (51) abuts against the upper end surface of the base mounting hole and the upper end surface of the connecting rod of the base (49); the thrust teeth (50) on the handle (48) are clamped on the gear ring on the inner wall of the switch shell (47); the brake cable passes through the switch shell (47) and is fixedly connected to the base (49);

the structure of the ground running switch (15) is completely the same as that of the flight switch (14);

the switch shell (47) of the flying switch (14) and the ground running switch (15) is fixedly arranged on the handle bar of the motorcycle body;

the two propeller rotating, lifting and folding devices are respectively arranged on the front wheel and the rear wheel of the motorcycle body;

the propeller rotating, lifting and folding device comprises a lifting support (25), a folding arm rotating assembly, a left lifting assembly and a right lifting assembly;

the lifting bracket (25) is fixed on the frame of the motorcycle body; the left lifting component and the right lifting component are identical in structure and are symmetrically arranged; the right lifting component is arranged on the right side of the lifting bracket (25),

the right lifting assembly comprises a folding arm (37), a brake cable mounting pipe (23), a transmission shaft mounting pipe (29), a supporting lead screw (24), a rotating gear shaft (28) and a lifting motor (27), wherein the rotating gear shaft (28), the supporting lead screw (24), the brake cable mounting pipe (23) and the transmission shaft mounting pipe (29) are vertically arranged; the upper end and the lower end of the rotary gear shaft (28) and the supporting screw rod (24) are respectively inserted into corresponding mounting holes of the lifting bracket (25); a lifting transmission gear (30) is fixedly sleeved on the supporting screw rod (24), a shell of a lifting motor (27) is fixedly arranged on the inner wall of the lifting support (25), and a gear sleeved on a power output shaft of the lifting motor (27) is meshed and connected with the lifting transmission gear (30) on the supporting screw rod (24); a support screw nut (26) is sleeved on the support screw rod (24) and is in threaded connection with the support screw nut, and the support screw nut (26) is fixedly connected with the outer walls of the brake cable mounting pipe (23) and the transmission shaft mounting pipe (29) through connecting rods; a propeller transmission shaft (31) is inserted into the transmission shaft mounting pipe (29), and the propeller transmission shaft (31) is supported by a bearing in the transmission shaft mounting pipe (29); a propeller transmission gear (32) is fixedly arranged at the lower end of the propeller transmission shaft (31), and the propeller transmission gear (32) is meshed with the rotating gear shaft (28);

a folding arm lower support rod (33) is hinged on the support nut (26) through a rotating shaft; the other end of the folding arm lower support rod (33) is hinged with a folding arm upper support rod (34) through a rotating shaft; a folding arm supporting screw rod (35) is hinged in the middle of the folding arm upper supporting rod (34) through a rotating shaft; a folding arm support nut (36) is sleeved on the folding arm support screw rod (35) and is in threaded connection with the folding arm support screw rod; a folding arm pushing motor (39) is mounted at the lower end of one side of the folding arm (37), and a connecting rod of a shell of the folding arm pushing motor (39) is in ball hinge joint with the outer wall of the folding arm (37); the power output shaft of the folding arm pushing motor (39) is fixedly connected with a folding arm supporting nut (36); a propeller (38) is fixedly arranged on the other side of the folding arm (37); the outer wall of the lower end of the middle part of the folding arm (37) is hinged with the other end of the supporting rod (34) on the folding arm; the interior of the folding arm (37) is hollow, and a propeller transmission flexible shaft is arranged in the folding arm (37); one end of the propeller transmission flexible shaft penetrates through the outer wall of the folding arm (37) and is fixedly connected with the upper end of the propeller transmission shaft (31); the other end of the propeller transmission flexible shaft penetrates through the outer wall of the folding arm (37) and is fixedly connected with a power input shaft of the propeller (38);

the folding arm rotating assembly comprises a rotating shaft mounting box body (41) and a folding arm rotating shaft (42); the rotating shaft mounting box body (41) is fixedly mounted on the outer walls of the upper ends of the brake cable mounting pipes (23) and the transmission shaft mounting pipes (29) of the left lifting assembly and the right lifting assembly; a folding arm rotating shaft (42) is arranged in the rotating shaft mounting box body (41); the left end of the folding arm rotating shaft (42) penetrates through the outer wall of the rotating shaft mounting box body (41) and is hinged with one end of a folding arm (37) of the left lifting assembly through a rotating shaft; the right end of the folding arm rotating shaft (42) penetrates through the outer wall of the rotating shaft mounting box body (41) and is hinged with one end of a folding arm (37) of the right lifting assembly through a rotating shaft; the folding arm rotating shaft (42) is rotationally connected with the rotating shaft mounting box body (41); the upper end and the lower end of the folding arm rotating shaft (42) are respectively provided with a rotating spring (43), one end of the rotating spring (43) is fixedly connected on the inner wall of the rotating shaft mounting box body (41), and the other end is fixedly connected with a folding arm rotating brake cable (44); fixed pulleys (45) are fixedly arranged on the inner walls of the upper end and the lower end of the rotating shaft mounting box body (41); the other ends of the two folding arm rotating brake lines (44) are attached to the outer wall of the folding arm rotating shaft (42) tightly and pass through the brake line mounting pipes (23) of the left lifting assembly and the right lifting assembly respectively to be fixedly connected to the propeller rotating switch (46) by bypassing the fixed pulley (45) on the opposite side; the outer shell of the propeller rotation switch (46) is fixedly arranged on a handlebar of the motorcycle body; the structure of the propeller rotation switch (46) is completely the same as that of the flight switch (14), and the other ends of the two folding arm rotation brake wires (44) penetrate through the switch shell of the propeller rotation switch (46) and are respectively and fixedly connected with the two ends of the base.

2. A flying motorcycle as claimed in claim 1 wherein:

the motorcycle body is an electric motorcycle or a gasoline motorcycle.

3. A flying motorcycle as claimed in claim 1 wherein:

the gear shaft transmission flexible shaft (16) and the propeller transmission flexible shaft have the same structure;

the gear transmission flexible shaft comprises a mandrel (1), a plurality of bearings (2) and a sheath (3);

the bearings (2) are sleeved on the outer wall of the mandrel (1), and the outer skin (3) is wrapped on the outer wall of the bearings (2); every two bearings (2) are spaced at a set distance, the outer ring of each bearing (2) is fixedly connected with the inner wall of the outer skin (3), and the inner ring of each bearing (2) is fixedly connected with the outer wall of the mandrel (1);

a spring (4) is sleeved between every two bearings (2) on the outer side of the mandrel (1); the two ends of the spring (4) are respectively propped against the bearings (2) at the two ends, and the outer skin (3) is wrapped on the outer walls of the springs (4) and the bearings (2).

4. A flying motorcycle as claimed in claim 3 wherein:

the mandrel (1) is a flexible shaft.

5. A flying motorcycle as claimed in claim 3 wherein:

the mandrel (1) comprises a plurality of connecting shafts (5), the connecting shafts (5) are sequentially connected into a row, and every two connecting shafts (5) are connected through a universal coupling (6).