CN2889421Y

CN2889421Y - Electric toy helicopters

Info

Publication number: CN2889421Y
Application number: CN 200520065818
Authority: CN
Inventors: 罗之洪
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-10-17
Filing date: 2005-10-17
Publication date: 2007-04-18
Anticipated expiration: 2015-10-17

Abstract

The utility model discloses an electrical toy helicopter, which comprises a framework and a remote control. The framework includes an airscrew unit, an airframe and a horse, wherein the airframe further comprises a main body of the airframe, an end part and a steering mechanism. The end part is equipped with a driving belt and a tail steering unit associated with the driving belt. The main body of the airframe is equipped with a principal axis and a driving gear sleeved in the principal axis. The driving gear is associated with the driving belt. The tail steering unit is driven to rotate through the driving gear and the driving belt. The airscrew unit and the tail steering unit are driven to synchronously operate through the double gears and the driving belt, which not only simplifies the mechanism of the main body of the airframe but also makes the flight of the helicopter more stable and control smoother.

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 the steering unit of the at present popular general fuselage of electronic toy helicopter needs the start of tail Electric Machine Control, has increased the control assembly of body, thereby has increased the weight of fuselage.

In view of this, provide a kind of electronic toy helicopter that can overcome above-mentioned shortcoming very necessary.

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, have 3D function and propeller unit and the empennage steering unit links mutually, and the tail motor defaults, make airframe structure simple, the electronic toy helicopter that has not only alleviated body weight but also can have a smooth flight, be easy to handle.

In order to achieve the above object, the utility model provides a kind of electronic toy helicopter, comprise body and remote controller, 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 be used for support helix oar unit and fuselage, described fuselage further comprises the fuselage main body, urosome and steering mechanism, urosome is provided with driving belt and empennage steering unit associated therewith, and the fuselage main body is provided with main shaft, the support body frame, the steering wheel fixed mount, steering wheel and driven wheel, main shaft runs through the support body frame, the steering wheel fixed mount is fixed in support body frame front end, and steering wheel is built in the steering wheel fixed mount, and driven wheel is sheathed on the main shaft, and be associated with driving belt, drive the rotation of empennage steering unit by driven wheel and driving belt.

In the utility model, driven wheel comprises two the motor driven pulley and the belt driving wheels that run through main shaft with one heart, the fuselage main body further be provided with one with the driven pinion of the intermeshing belt of described belt driving wheel, driving belt one end is set on the driven pinion of belt, and the other end is connected with the empennage steering unit.Motor is provided with motor pinion, motor pinion and motor driven pulley are meshing with each other, the steering mechanism and the propeller unit that make the drive of motor driven pulley be sleeved on the main shaft are rotated, simultaneously, the rotation of described main shaft drives the belt driving wheel that is sleeved on this main shaft and rotates synchronously, thereby the rotation by the driven pinion of intermeshing belt with it and then drive empennage steering unit and the synchronous start of propeller unit, keep helicopter in flight course, to turn to and rise and fall steady.

Steering mechanism comprises the universal axle sleeve through main shaft, universal turning cylinder, universal rotation seat and several connecting rods, wherein, universal turning cylinder is installed on the universal rotation seat, and can rotate in universal rotation seat, by several connecting rods universal turning cylinder is connected with universal axle sleeve.

In an embodiment of the present utility model, described fuselage main body further comprises the support body frame, described main shaft by the individual event bearing fixing on the support body frame.

Compared with prior art, a kind of electronic toy helicopter of the utility model drives propeller unit and the synchronous start of empennage steering unit by bidentate wheel and driving belt, the mechanism of not only having simplified the fuselage main body, and, make that the flight of helicopter is more steady, handle more freely.

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 of the utility model electronic toy helicopter fuselage;

Fig. 2 is the fuselage exploded view of the utility model electronic toy helicopter.

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 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, support body frame 111, steering wheel fixed mount 112, steering wheel 113, receiving box 114, motor driven pulley 115, belt driving wheel 116, motor 117 and battery 118.Wherein, described main shaft 110 vertically runs through support body frame 111, and pass propeller unit 101, steering mechanism 12, support body frame 111, motor driven pulley 115 and belt driving wheel 116 from top to down in regular turn, main shaft 110 is fixed on the support body frame 111 by unilateral bearing, and constitutes the supporting mechanism of fuselage main bodys 11 with support body frame 111.Described support body frame 111 is installed on 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 steering wheel fixed mount 112 is fixed in the front end of support body frame 111, is used for ccontaining two steering wheels 113, and described steering wheel 113 is connected with steering mechanism 12 by connecting rod respectively.Described receiving box is installed in the cavity of support body frame 111, is used to receive the index signal of remote controller, and handles body 100 and make corresponding reaction.Described motor driven pulley 115 and belt driving wheel 116 run through main shaft 110 with one heart, and are fixed in the cavity of support body frame 111, and motor driven pulley 115 is arranged at belt driving wheel 116 tops, are used to drive the rotation of propeller unit 101 and empennage rotating mechanism.Described motor 117 is installed in the cavity of support body frame 111, and electrically connect with battery, its end is equiped with a motor pinion, described motor pinion is meshed with motor driven pulley 115, but rotate by motor 117 drive motors driven pulleys 115, and then drive the rotation of steering mechanism 12 and propeller unit 101.Further be provided with in the support body frame 111 one with the driven pinion 116 ' of belt driving wheel 116 intermeshing belts, belt driving wheel 116 drives the rotation of empennage steering mechanism by the driven pinion 116 ' of belt.Described steering wheel 113 electrically connects with receiving box 114, connect power supply, provide electric power with battery, receiving box 114 beginning received signals, making the pinion of motor 117 can drive intermeshing with it motor driven pulley 115 begins to rotate, make motor 117 driven pulleys 115 further drive the steering mechanism 12 and the propeller unit 101 that are sleeved on the main shaft 110 and rotate, thereby helicopter is taken off.Simultaneously, the rotation of described main shaft 110 drives the belt driving wheel 116 that is sleeved on this main shaft 110 and rotates synchronously, thereby the rotation by the driven pinion 116 ' of intermeshing belt with it and then drive empennage steering unit and propeller unit 101 synchronous starts, maintenance helicopter in flight course, turn to and rise and fall steady.

Described steering mechanism 12 comprises universal axle sleeve 120, universal turning cylinder 121, universal rotation seat 122 and a pair of universal steering base connecting rod 123, left and right sides triangle fork 124 and several connecting rods through main shaft 110.Wherein, described universal axle sleeve 120 is a movable frame that swings up and down around main shaft 110, its two ends arm is connected with universal turning cylinder 121 with propeller unit 101 by connecting rod respectively, make universal axle sleeve 120 when propeller unit 101 starts, play transfer function, the throw of control propeller unit 101.Described universal steering base connecting rod 123 is protruded upward by support body frame 111 symmetrically, is used to support described universal rotation seat 122, makes it to be fixed in reposefully support body frame 111 tops.Described universal rotation seat 122 is formed by a pallet with by outwardly directed four linking arms of pallet level, and the described 90 degree angles that form between the linking arm in twos form the universal rotation seat of 90 degree.Universal turning cylinder 121 is built in the pallet of universal rotation seat 122, and it can rotate around main shaft 110 in pallet, and the universal axle sleeve 120 and the propeller unit 101 that are sheathed on the main shaft 110 are rotated thereupon synchronously.Link to each other by connecting rod each parts, guaranteed the steady start of propeller unit 101 steering mechanism 12.Left and right sides triangle fork 124 is set up between described steering wheel 113 and the support body frame 111, steering wheel 113 is connected with universal rotation seat 122 with connecting rod by left and right sides triangle fork 124.

Urosome 13 comprises foot piece 20 and empennage steering unit 22 compositions.Described foot piece 20 is fixed in the rear end of support body frame 111, it is built-in with belt (figure does not show), and the belt front end connects the driven pinion 116 ' of belt, and its rear end connects empennage driven gear (figure does not show), like this, be the rotation that power drives whole empennage steering unit 22 with belt driving gear 116.Described empennage steering unit 22 comprises empennage holder 220, empennage driven gear, empennage 222, wherein, foot piece holder 220 is fixed in the end of foot piece 20, and the one end is empennage 222 fixedly, and foot piece holder 220 drives the rotation of empennage 222 by its built-in empennage driven gear.The rotation of empennage 222 makes body 100 avoid wiggly phenomenon, and help the body 100 to realize turning to, and reach the purpose of smooth flight, replaced the rotation that the tail motor can drive the empennage steering unit, alleviate the weight of fuselage greatly, controlled the balance of fuselage flight better.

In another embodiment of the present utility model, described urosome 13 further comprises urosome support unit 24.Described urosome support unit 24 comprises urosome brace 240 and girt 242.Wherein, described urosome brace 240 tilting racks are located between foot piece 20 and the foot rest 103, and with its composition tripod, make that the structure between urosome 13 and the fuselage main body 102 is more firm, and foot piece 13 relative fuselage main bodys 11 can not produce displacement.Wherein, described urosome brace 240 and girt 242 can be made by carbon fibre material.

With reference to figure 1, propeller unit 101 comprises main wing 30, aileron 32, angular adjustment seat 34 and two blade movable rods, described angular adjustment seat 34 is T-shaped, it is fixed in the end of main shaft 110, thereby main wing 30 and aileron 32 are fixed on the main shaft 110, and main wing 30 and aileron 32 intersect, and main wing 30 is set up in aileron 32 tops, the rotation of main wing 30 makes fuselage 100 produce lift, and the rotation of aileron 32 then makes fuselage 100 keep balance.Wherein, described main wing 30 comprises two primary blades 300 and two primary blades joints 302, primary blades 300 by primary blades joint 302 symmetrical balances be installed on the angular adjustment seat 34; Described aileron 32 comprises two back blades 320 and two pairs of back blades balancing poles 322, back blades 320 by back blades balancing pole 322 symmetrical balances be installed on the angular adjustment seat 34.Not only primary blades joint 302 is connected with back blades balancing pole 322 by the blade movable rod, and blade joint 302 is connected with universal axle sleeve 120.By blade movable rod and the connecting rod that ring ring is nested, make propeller unit 101 under the drive of main shaft 110, to produce interlock with steering mechanism 12, the smooth rotation of propeller unit 101, make dogled control more freely.

With reference to figure 2, described remote controller mainly comprises throttle push rod 40, direction push rod 41, power switch 42, electric weight display screen 43, antenna 44, angle demodulator 45, pitch regulator 46, offline mode change-over switch 47, throttle fine setting 48, directional trim 49, elevator fine setting 50 and empennage fine setting 51.Wherein, described throttle push rod 40 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 40, on the helicopter in the steering mechanism 12 pitch and main wing 30, the angle of aileron 32 and the radian of empennage 226 the interlock variation will take place, helicopter is liftoff to take off until shifting onto.Described direction push rod 41 is used to control the direction of aircraft flight, as advance, retreat, turn left, right-hand rotation and lifting.Described power switch 42 is used to open and powered-down.Described electric weight display screen 43 is used to indicate the situation of power supply of remote controller electric weight.Described antenna 44 is used to transmit control signal to described body 100 to control its flight.Described angle demodulator 45 is used to regulate taking off of main wing 30 and flies angle.Described pitch regulator 46 is used to regulate the moving distance of spiral shell of steering mechanism 12, the change distance that can regulate empennage 226 simultaneously.Described offline mode change-over switch 47 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 47 is put and is general mode, deposits the pattern into inverted flight 3D.Described throttle fine setting 48 is used to regulate throttle and works the oil mass that pushes away.Described directional trim 49 is used to regulate the level position of steering mechanism about 12.Described elevator fine setting 50 is used to regulate the level position before and after the steering mechanism of fuselage 102.When steering mechanism 12 all around all was up to the standard, flight could steadily and be easy to control.The rotating speed that empennage fine setting 51 is used to regulate empennage 226 when quickening, about the change radian and the sensitivity that turns to.

During use, as shown in Figure 3, at first, open the power switch 42 of remote controller, electric weight display screen 43 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 44 is elongated, the battery on the helicopter 100 is connected again, the remote signal of being sent by remote controller is received and decoding by the receiving box of body 100; With directional trim 49 and elevator fine setting 50 pitch 120 is adjusted to level, regulates the flight angle of main wings 30 and the moving distance of spiral shell of steering mechanism 12 with angle demodulator 45 and pitch regulator 46.Then, throttle push rod 40 is slowly upwards pushed away, provide complete machine power by battery to motor 117, motor 117 just drives master gear 113 rotations like this, and then master gear 113 drives main shaft 110 rotations, drive propeller unit 101 by main shaft 110 by steering mechanism 12 then and produce lift, simultaneously, empennage steering unit 22 rotates synchronously with propeller unit 101.The rotation meeting of propeller unit 101 and empennage steering unit 22 accelerates along with the increasing of throttle push rod 40, flies up until fuselage is liftoff; Otherwise, can make slowly safe falling of aircraft when down pushing away the throttle push rod 40 of remote controller slowly.The direction push rod 41 of described remote controller is used to control three servomechanisms, drives steering mechanism's 12 actions by break-in pull bar 116, thereby can control the advancing of airframe 100, retreats, turns left, right-hand rotation and lifting etc.

In an embodiment of the present utility model, in order to increase the excitant of flight effect and amusement, can in the offline mode change-over switch 47 of remote controller, select the inverted flight pattern, after selecting the inverted flight pattern, operation to remote controller is opposite with general mode, for example, fly left, need stir direction push rod 41 to the right as the control aircraft; The control aircraft upwards flies, and need stir direction push rod 41 downwards.

Electronic toy helicopter of the present utility model drives propeller unit and the synchronous start of empennage steering unit by bidentate wheel and driving belt, the mechanism of not only having simplified the fuselage main body, and, make that the flight of helicopter is more steady, handle more freely.

Claims

1. 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, foot rest is positioned at the fuselage below and is attached thereto, and be used for support helix oar unit and fuselage, it is characterized in that: described fuselage further comprises the fuselage main body, urosome and steering mechanism, urosome is provided with driving belt and empennage steering unit associated therewith, the fuselage main body is provided with main shaft, the support body frame, the steering wheel fixed mount, steering wheel and driven wheel, main shaft run through the support body frame, and the steering wheel fixed mount is fixed in support body frame front end, steering wheel is built in the steering wheel fixed mount, driven wheel is sheathed on the main shaft, and is associated with driving belt, drives the rotation of empennage steering unit by driven wheel and driving belt.

2. electronic toy helicopter as claimed in claim 1 is characterized in that: described driven wheel comprises two the motor driven pulley and the belt driving wheels that run through main shaft with one heart.

3. electronic toy helicopter as claimed in claim 2, it is characterized in that: described fuselage main body further be provided with one with the driven pinion of the intermeshing belt of described belt driving wheel, described driving belt one end is set on the driven pinion of described belt, and the other end is connected with described empennage steering unit.

4. electronic toy helicopter as claimed in claim 2 is characterized in that: described motor is provided with motor pinion, and described motor pinion and described motor driven pulley are meshing with each other.

5. electronic toy helicopter as claimed in claim 1, it is characterized in that: described steering mechanism comprises the universal axle sleeve through main shaft, universal turning cylinder, universal rotation seat and several connecting rods, wherein said universal turning cylinder is installed on the universal rotation seat, and can in universal rotation seat, rotate, by described several connecting rods universal turning cylinder is connected with universal axle sleeve.

6. electronic toy helicopter as claimed in claim 1 is characterized in that: described fuselage main body further comprises the support body frame, described main shaft by the individual event bearing fixing on the support body frame.