CN2805868Y - Electric toy helicopters - Google Patents

Abstract

The utility model provides an electric toy helicopter which comprises a helicopter body and a remote controller. The helicopter body comprises a screw propeller unit, a helicopter frame and foot racks, wherein the screw propeller unit which is positioned above the helicopter frame is connected with the helicopter frame, the foot racks which are positioned below the helicopter frame are connected with the helicopter frame, the foot racks are used for supporting the screw propeller unit and the helicopter frame, and the helicopter frame comprises a steering unit which is mutually linked with the screw propeller unit. The flying pattern can be positive fly or 3D inverted fly so that the flying effects and recreational stimulation of the helicopter are enhanced.

Description

The electronic toy helicopter

Technical field

The utility model relates to the electronic toy field, refers to a kind of electronic toy helicopter especially.

Background technology

Toy helicopter has been liked by people always that since emerging for satisfying consumer demand, toy manufacturer continually develops various helicopter models and carries out Continual Improvement, but the toy helicopter in the hope of producing a kind of stabilized flight and being easy to control.Yet at present popular electronic toy helicopter generally can only forward flight, can not inverted flight, and operator scheme is single, can not adapt to the demand of market diversification product, and in addition, the steering unit of fuselage generally needs the start of tail Electric Machine Control, has increased the weight of fuselage.

In order to address the above problem, a kind of operator scheme variation is provided, have 3D function and propeller unit and steering unit and link mutually, not only weight reduction but also the electronic toy helicopter that can have a smooth flight were very necessary with the shortcoming that overcomes prior art to make fuselage.

Summary of the invention

Based on the deficiencies in the prior art, main purpose of the present utility model is to provide a kind of operator scheme variation, has 3D function and propeller unit and steering unit and links mutually, makes fuselage not only weight reduction but also the electronic toy helicopter that can have a smooth flight.

In order to achieve the above object, the utility model provides a kind of electronic toy helicopter, comprise body and remote controller, described body comprises propeller unit, fuselage and foot rest, wherein, described propeller unit is positioned at body upper and is attached thereto, and foot rest is positioned at the fuselage below and is attached thereto, and being used for support helix oar unit and fuselage, described fuselage comprises the steering unit that links mutually with propeller unit.

In an embodiment of the present utility model, described fuselage comprises skull, the fuselage main body that links to each other with skull, the steering mechanism and the urosome that link to each other with the fuselage main body, described fuselage main body comprises main shaft and motor gear wheel, described main shaft runs through motor gear wheel and propeller unit, described urosome comprises foot piece and steering unit, described foot piece is built-in with a big rotating shaft, its two end is provided with two pinions, described steering unit comprises tailstock and the steering blade that is mounted thereon, little rotating shaft and tooth sector, wherein, little rotating shaft runs through steering blade and tooth sector, and the pinion of big rotating shaft is meshed with motor gear wheel and steering unit respectively.

In another embodiment of the present utility model, described motor gear wheel master gear and auxilliary gear, the connected mode of described master gear and auxilliary gear is chosen any one kind of them in can be and being superimposed with each other or being parallel to each other.The pinion of described big rotating shaft and auxilliary gear are meshing with each other.

In another embodiment of the present utility model, described urosome further comprises support bar and balancing pole, and described support bar and foot piece are perpendicular, and high together with foot rest, and described balancing pole is set up between motor fixing frame and the foot piece and forms tripod.

Described remote controller comprise throttle push rod, direction push rod, power switch, electric weight display screen, antenna, angle demodulator, pitch regulator, mode converter switch, throttle fine setting, front and back fine setting, about fine setting and steering blade fine setting.The mode converter switch can be provided with common and pattern inverted flight.

Compared with prior art, a kind of electronic toy helicopter of the utility model is owing to have coaxial twin screw, and with the steering unit of propeller unit interlock, electronic telecontrol and pcb board via remote controller, rotate synchronously to control its coaxial twin screw and steering unit, thereby produce a lift, allow aircraft rise, and keep constantly having a smooth flight; Can allow body advance, retreat, turn left, turn right by adjusting steering mechanism, thereby the balance of accomplishing to take off, control nimbly and freely, omit the tail motor, alleviate the weight of fuselage integral body.And the mode converter that can pass through remote controller is selected the pattern of flight, as common (just flying) or inverted flight, increases the 3D effect of helicopter flight, has satisfied numerous airplane hobbyists' interest.

For making the utility model easier to understand, further set forth the specific embodiment of a kind of electronic toy helicopter of the utility model below in conjunction with accompanying drawing.

Description of drawings

Fig. 1 is the overall structure schematic diagram one of the utility model electronic toy helicopter fuselage;

Fig. 2 is the overall structure schematic diagram two of the utility model electronic toy helicopter fuselage;

Fig. 3 is the remote controller structural representation of the utility model electronic toy helicopter.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is further described.Referring to figs. 1 through shown in Figure 3, a kind of electronic toy helicopter of the utility model comprises body 100 and remote controller 200.Wherein, described body 100 mainly comprises propeller unit 101, fuselage 102 and foot rest 103.Wherein, described propeller unit 101 is positioned at fuselage 102 tops and is attached thereto, and foot rest 103 comprises two outside open feets 31, and it is positioned at fuselage 102 belows and is attached thereto, and is used for support helix oar unit 101 and fuselage 102.

With reference to figure 1 and Fig. 2, described fuselage 102 comprises skull 10, the fuselage main body 11 that links to each other with skull 10, the steering mechanism 12 that links to each other with fuselage main body 11 and urosome 13, and described urosome 13 is fixed in the rear portion of fuselage main body 11.

Fuselage main body 11 comprises main shaft 110, main frame 111, motor fixing frame 112, pcb board 113, motor 114, motor gear wheel 115, battery (figure does not show) and servomechanism 116.Wherein, described main shaft 110 vertical fixing on main frame 111, from down and on pass motor gear wheel 115, main frame 111, steering mechanism 12 and propeller unit 101 in regular turn, main shaft 110 and main frame 111 constitute the supporting mechanism of fuselage main bodys 11.Described main frame 111 is set up in foot rest 103 tops, and links to each other with urosome 13, is used to support several control assemblies on the fuselage main body 11.Described motor fixing frame 112 is screwed on foot rest 103, and described pcb board 113, motor 114 and battery are bound to the bottom surface of motor fixing frame 112.Described motor gear wheel 115 is made up of master gear 115a that is superimposed with each other and auxilliary gear 115b, its run through main shaft 110 and be arranged at main frame 111 and foot rest 103 between, described motor 114 1 bottoms are equiped with a motor pinion (figure does not show), the master gear 115a of motor pinion and motor gear wheel 115 is meshing with each other, connect power supply, motor 114 provides power can drive master gear 115a rotation by battery, with the further drive steering mechanism 12 and propeller unit 101 rotations of main shaft 110 of motor gear wheel 115 mutual fits.Described auxilliary gear 115b is used to drive the start of steering unit, makes it to link mutually with propeller unit 101.Described servomechanism 116 is installed in respectively on front portion, middle part and the urosome 13 of main frame 111, and three servomechanisms 116 are connected with pcb board 113 by cable respectively, handles the action of servomechanism 116 by pcb board 113.Described battery electrically connects by cable and pcb board 113, and described pcb board 113 also links to each other with motor 114 by cable, and steering mechanism 12 and the propeller unit 103 that provides driven by power motor 114 to drive on the main shaft 110 by battery moved like this.

Steering mechanism 12 is made up of pitch 120, steering head 121 and several control pull bars 122.Wherein, described main shaft 110 is through pitch 120 and steering head 121 centers, pitch 120 is 120 degree pitches, it comprises dish body and three linking arms that stretched out by the outside level of dish body, described constitute between the linking arm in twos be 120 degree angles, make helicopter when dogled, control nimbly and freely, and the interlock start of steering mechanism 12 and main shaft 110 make helicopter take off and more steady when flying.The termination of described control pull bar 122 offers through hole (figure does not show), and linking arm is connected with servomechanism 116 respectively by control pull bar 122, makes control pull bar 122 under the manipulation of servomechanism 116, the action of control pitch 120.Protruding several connecting pins of the outer rim of described steering head 121 (figure does not show), by connecting pin steering mechanism 12 is connected with propeller unit 101, described steering head 121 is held up by pitch 120, and in pitch 120, rotate, thereby drive propeller unit 101 starts by steering mechanism 12 around main shaft 110.

Urosome 13 comprises foot piece 130 and steering unit 131, described foot piece 130 1 ends are fixed on the main frame 111 by screw, the other end is steering unit 131 fixedly, foot piece 130 is built-in with a big rotating shaft (figure does not show), described big rotating shaft can freely be rotated in foot piece 130, two pinions are stretched out at its two ends respectively, wherein, the auxilliary gear 115b of one pinion 130a and motor gear wheel 115 is meshing with each other, another pinion (figure does not show) links mutually with steering unit 131, rotates synchronously with propeller unit 101 thereby drive steering unit 131.Described steering unit 131 comprises tailstock 132, steering blade 133, little rotating shaft and tooth sector (figure does not show), and wherein, tailstock 132 is installed on foot piece 130 ends.The rotation of steering blade 133 makes body 100 avoid wiggly phenomenon, and helps body 100 to realize turning to, and reaches the purpose of smooth flight.Little rotating shaft axially runs through the through hole of tailstock 132, and steering blade 133 and tooth sector are socketed in the little rotating shaft, and steering blade 133 can be around little rotating shaft rotation.Wherein pinion in the big rotating shaft of foot piece 130 and the mutual Vertical Meshing of tooth sector on the steering unit 131, like this, the big rotating shaft that motor 114 also drives in the foot piece 130 when driving propeller unit 101 runnings is rotated, thereby the tooth sector that is driven on the steering unit 131 by the pinion in the big rotating shaft rotates, and then by little rotating shaft drive steering blade 133 rotations through tooth sector, it is the start that motor 114 can drive propeller unit 101 and steering unit 131 simultaneously, make the rotation of steering blade 133 and the rotation of propeller unit 101 reach control, replaced the rotation that the tail machine can drive steering unit, alleviate the weight of fuselage greatly, controlled the balance of fuselage flight better.

In second embodiment of the present utility model, the master gear 115a of described motor gear wheel 115 and the auxilliary gear 115b engagement that can also be parallel to each other, master gear 115a runs through main shaft 110, drive the rotation of propeller unit 101 by motor 114, pinion 130a in auxilliary gear 115b and the foot piece 130 big rotating shafts is meshing with each other, make auxilliary gear 115b under master gear 115a rotates, to drive pinion 130a and rotate, rotate synchronously with propeller unit 101 thereby drive steering unit 131.

In the 3rd embodiment of the present utility model, described motor gear wheel 115 also can only comprise master gear 115a, described master gear 115a had both run through main shaft 110, again with foot piece 130 big rotating shafts on pinion 130a be meshing with each other, thereby realize that steering unit 131 and propeller unit 101 rotate synchronously.

In the 4th embodiment of the present utility model, urosome 13 further comprises balancing pole 134, described balancing pole 134 is set up between motor fixing frame 112 and the foot piece 130 and forms tripod, make foot piece 130 be difficult for getting loose, play the effect of firm foot piece 130 balances, described balancing pole 134 can be made by carbon fibre material, alleviates the weight of fuselage integral body.

In the 5th embodiment of the present utility model, urosome 13 is further support bar 135 also, described support bar 135 is socketed on the tail end of foot piece 130, itself and foot piece 130 are perpendicular, and with foot rest 103 with high, be used to support foot piece 13, make that body 100 can stable landing, avoid " falling machine ", when misregistration signal or misoperation, the damage of avoiding urosome 13 to cause because of the bump of land generation in advance.

With reference to figure 1 and Fig. 2, propeller unit 101 comprises main wing 20, aileron 21, direction knot fixed block 22, balancing pole joint 23, balance bridge 24, two universal joint reversing gear brackets 25, two short rods 26 and two blades folders 27.Wherein, aileron 21 is set up in main wing 20 belows, and direction knot fixed block 22 horizontal fixed are on main shaft 110, its two ends is fixed with two blades folder 27, two main wings 20 are fixedly clamped by blade folder 27 respectively, by the rotation of the knot of the direction on the main shaft 110 fixed block 22, thereby drive main wing 20 starts.The rotation of main wing 20 makes fuselage 100 produce lift, and the rotation of aileron 21 then makes fuselage 100 keep balance.Balancing pole joint 23 is socketed on main shaft 110 ends, and tie fixed block 22 with direction and match, balancing pole joint 23 flexibly connects aileron 21 by screw, simultaneously, by short rod 26 blade folder 27 is connected with balancing pole joint 23, make aileron 21 under the pulling of short rod 26, to swing up and down, the smooth rotation of adjustable screw oar unit 101; Universal joint reversing gear bracket 25 comprises two installing holes and a ring frame, installing hole by universal joint reversing gear bracket 25 both ends is connected the connecting pin of steering head 121 with balancing pole joint 23, simultaneously, the ring frame of universal joint reversing gear bracket 25 axially engages the blade folder, make main wing 20 and aileron 21 under the drive of steering head 121, to rotate, by universal joint reversing gear bracket 25 propeller unit 101 is connected with steering mechanism 12, produce the interlock function, make the main wing 20 and the aileron 21 of propeller unit 101 under the drive of steering mechanism 12, to rotate in the same way synchronously, be easy to control dogled.

With reference to figure 3, described remote controller 200 mainly comprise throttle push rod 30, direction push rod 31, power switch 32, electric weight display screen 33, antenna 34, angle demodulator 35, pitch regulator 36, mode converter switch 37, throttle fine setting 38, front and back fine setting 39, about fine setting 40 and steering blade fine setting 41.Wherein, described throttle push rod 30 is used to control the motor rotation speed speed, under general mode, upwards pushes away then for opening the throttle, when promoting this throttle push rod 30, on the helicopter in the steering mechanism 12 pitch and the angle of main wing 20 and the radian of steering blade 133 the interlock variation will take place.Described direction push rod 31 is used to control the direction of aircraft flight, as advances, retreats, turns left, turns right.Described power switch 32 is used to open and powered-down.Described electric weight display screen 33 is used to indicate the situation of power supply of remote controller electric weight.Described antenna 34 is used to transmit control signal to described body 100 to control its flight.Described angle demodulator 35 is used to regulate taking off of main wing 20 and flies angle.Described pitch regulator 36 is used to regulate the moving distance of spiral shell of steering mechanism 12, the change distance that can regulate steering blade 133 simultaneously.Described mode converter switch 37 is used to select the pattern of flying, and for example: general mode or inverted flight 3D pattern, in the present embodiment, mode converter switch 37 is put and is general mode, deposits the pattern into inverted flight 3D.The described throttle fine setting 38 initial oil masses that are used to regulate throttle.Described front and back fine setting 39 and about fine setting 40 be used to regulate the level position of pitch 120 front and back, make its whole pitch 120 be horizontal level.Steering blade fine setting 41 is used to regulate the change radian of steering blade about 133 and the sensitivity that turns to.

During use, as shown in Figure 3, at first, open the power switch 32 of remote controller 200, electric weight display screen 33 gives a green light, and checks whether display screen electric weight intensity is enough, and general green more person is that electric weight is strong; Afterwards antenna 34 is elongated, the battery on the helicopter 100 is connected again, the remote signal of being sent by remote controller 200 is received and decoding by the pcb board 113 of body 100; With front and back fine setting 39 and and about fine setting 40 pitch 120 is adjusted to level, regulate the flight angle of main wings 20 and the moving distance of spiral shell of steering mechanism 12 with angle demodulator 35 and pitch regulator 36.Then, throttle push rod 30 is slowly upwards pushed away, provide complete machine power by battery to main motor 114, main like this motor 114 just drives 115 rotations of motor gear wheel, and then motor gear wheel 115 drives main shaft 110 rotations, rotate and generation lift by main shaft 110 drive main wings 20 and aileron 21 then, simultaneously, drive the effect of steering unit 131, the rotation meeting of propeller unit 101 and steering unit 131 accelerates along with the increasing of throttle push rod 30, fly up until fuselage is liftoff, the increasing of throttle can make steering mechanism to pressing down simultaneously, and the angle of blade also can change thereupon; Otherwise, can make slowly safe falling of aircraft when down pushing away the throttle push rod 30 of remote controller 200 slowly.The direction push rod 31 of described remote controller 200 is used to control the rotation of three servomechanisms 116, drives steering mechanism's 12 actions by control pull bar 122, thereby can control the advancing of airframe 100, retreats, turns left, right-hand rotation etc.

In an embodiment of the present utility model, in order to increase the excitant of flight effect and amusement, can in the mode converter switch 37 of remote controller 200, select the inverted flight pattern, after selecting the inverted flight pattern, operation to remote controller 200 is opposite with general mode, for example, fly left, need stir direction push rod 31 to the right as the control aircraft; The control aircraft upwards flies, and need stir direction push rod 31 downwards.

A kind of electronic toy helicopter of the utility model is owing to have coaxial twin screw, and with the steering unit of propeller unit interlock, electronic telecontrol and pcb board via remote controller, rotate synchronously to control its coaxial twin screw and steering unit, thereby produce a lift, allow aircraft rise, and keep constantly having a smooth flight; Can allow body advance, retreat, turn left, turn right by adjusting steering mechanism, thereby the balance of accomplishing to take off, control nimbly and freely, omit the tail motor, alleviate the weight of fuselage integral body.And the mode converter that can pass through remote controller is selected the pattern of flight, as common (just flying) or inverted flight, increases the 3D effect of helicopter flight, has satisfied numerous airplane hobbyists' interest.

Claims (10)

1. electronic toy helicopter, comprise body and remote controller, it is characterized in that: described body comprises propeller unit, fuselage and foot rest, wherein, described propeller unit is positioned at body upper and is attached thereto, foot rest is positioned at the fuselage below and is attached thereto, and is used for support helix oar unit and fuselage, and described fuselage comprises the steering unit that links mutually with propeller unit.

2. electronic toy helicopter as claimed in claim 1 is characterized in that: described steering unit comprises tailstock and the steering blade that is mounted thereon, little rotating shaft and tooth sector, and wherein, little rotating shaft runs through steering blade and tooth sector.

3. electronic toy helicopter as claimed in claim 1 or 2, it is characterized in that: described fuselage comprises skull, the fuselage main body that links to each other with skull, steering mechanism and the urosome that links to each other with the fuselage main body, described fuselage main body comprises main shaft and motor gear wheel, described main shaft runs through motor gear wheel and propeller unit, described urosome comprises foot piece and steering unit, described foot piece is built-in with a big rotating shaft, its two end is provided with two pinions, and pinion is meshed with motor gear wheel and steering unit respectively.

4. electronic toy helicopter as claimed in claim 3 is characterized in that: described motor gear wheel master gear and auxilliary gear, the connected mode of described master gear and auxilliary gear are chosen any one kind of them in can be and being superimposed with each other or being parallel to each other.

5. electronic toy helicopter as claimed in claim 4 is characterized in that: the pinion of described big rotating shaft and auxilliary gear are meshing with each other.

6. electronic toy helicopter as claimed in claim 3, it is characterized in that: described steering mechanism comprises pitch, steering head and several control pull bars, wherein, described steering head is installed on the pitch, and can in pitch, rotate, described servomechanism links to each other with pitch by the control pull bar.

7. electronic toy helicopter as claimed in claim 5 is characterized in that: described pitch is 120 degree pitches, and it comprises dish body and three by the outwardly directed linking arm of dish body, describedly constitutes 120 degree angles in twos between the linking arm.

8. electronic toy helicopter as claimed in claim 6, it is characterized in that: described urosome further comprises support bar and balancing pole, described support bar and foot piece are perpendicular, and high together with foot rest, and described balancing pole is set up between motor fixing frame and the foot piece and forms tripod.

9. electronic toy helicopter as claimed in claim 1, it is characterized in that: described remote controller comprise throttle push rod, direction push rod, power switch, electric weight display screen, antenna, angle demodulator, pitch regulator, mode converter switch, throttle fine setting, front and back fine setting, about fine setting and steering blade fine setting

10. electronic toy helicopter as claimed in claim 8 is characterized in that: described mode converter switch is provided with common and pattern inverted flight.