CN2917725Y

CN2917725Y - Model airplane

Info

Publication number: CN2917725Y
Application number: CN 200520120021
Authority: CN
Inventors: 罗之洪
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-13
Filing date: 2005-12-13
Publication date: 2007-07-04
Anticipated expiration: 2015-12-13

Abstract

A model plane, comprising the wind-stick unit, the body and the bracket; wherein. The wind-stick unit is positioned above the body and is connected with the body, the bracket is positioned below the body is connected with the body for supporting the body and the wind-stick body, the body consists of a head shell, the body that connects with the head shell and a tail with the tail fixed at the rear part of the body, the wind-stick unit consists of the main wing and the aileron, the body consists of a hollow shaft, a small principal axle, a body frame and two slow-down gear wheels with the hollow shaft perpendicularly crossing the body frame, the small principal axle placing in the hollow axle, the main wing, the aileron and the slow-down gear wheels installing on the hollow shaft and the other slow-down gear wheel installing on the small principal axle. The rotating direction of the dual-blade wind-stick is contrary to off set opposite rotary force brought by rotation to balance the helicopter flight. The stable take-off and free maneuvering are realized by controlling the body movement through adjusting the steering mechanism.

Description

Model plane

Technical field

The utility model relates to the electronic toy field, refers to a kind of model plane 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 popular model plane generally have only one group of screw at present, and the flight of model plane can not be effectively controlled in the restive driving of green hand, causes the damage or the damage of model plane easily.

In order to address the above problem, the model plane that provide a kind of flight to be easy to control are very necessary with the shortcoming that overcomes prior art.

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 flight to be easy to control electronic helicopter.

In order to achieve the above object, the utility model provides a kind of model plane, mainly comprise propeller unit, fuselage and support, wherein, described propeller unit is positioned at body upper and is attached thereto, support is positioned at the fuselage below and is attached thereto, and be used for support helix oar unit and fuselage, described fuselage comprises skull, the fuselage main body and the urosome that link to each other with skull, described urosome is fixed in the rear portion of fuselage main body, described propeller unit comprises main wing and aileron, and the fuselage main body comprises hollow shaft, primary spindle, main frame and two reduction gearing, wherein, described hollow shaft vertically runs through main frame, described primary spindle is placed in the hollow shaft, described main wing, aileron and a reduction gearing are installed on the hollow shaft, and another reduction gearing is installed on the primary spindle.Described two groups of screws rotate in the opposite direction.

In the utility model, the top of described primary spindle also is connected with a balance wing, and this balance wing is made up of balancing pole and balance weight, and this balance wing and aileron link mutually.

Described propeller unit also further comprises balancing pole connector, several cylinder lever connecting rods and balancing stand, and this balancing pole connector is socketed on described hollow shaft top; Cylinder lever connecting rod also is connected described aileron with the break-in dish of steering mechanism; Symmetry offers two spacing holes on the balancing stand, described cylinder lever connecting rod insert in the spacing hole and with the balancing stand approximate vertical.

Described fuselage main body further comprises two steering wheels, two motors and steering mechanism, and these two steering wheels and motor all are arranged on the main frame in the same way, and described hollow shaft is run through in steering mechanism, and links with the main wing of screw.Described steering mechanism comprises break-in dish, pitch, pitch leading truck and some pull bars, wherein, described break-in dish and pitch coaxial package are on hollow shaft, the break-in dish is built in the pallet of pitch, it can rotate around hollow shaft in pallet, by two pitch leading trucks that are connected with steering wheel the pitch level is propped, the break-in dish is associated the break-in dish by pull bar with propeller unit.

Urosome is fixed in the main frame rear end, and it comprises tailstock and tailstock balancing unit, and described tailstock balancing unit comprises empennage blade and a pair of balancing patch, and described empennage vanes fixed is in the tailstock end, and described balancing patch is installed on the tailstock symmetrically.

Compared with prior art, a kind of model plane of the utility model are owing to have coaxial twin screw, and be power source with electric motor (as motor 116), via the electronic telecontrol and the dash receiver control circuit of remote controller, and described two motors of controlling two reduction gearing starts respectively are provided with in the same way, these two motors are respectively by driving the backward rotation of two reduction gearing of out-of-alignment, controlling its coaxial twin-propeller rotation, thereby produce a lift, allow aircraft rise; Opposite because of twin-propeller blade rotation direction simultaneously, can offset the reverse rotation power that produces because of rotation, helicopter can balance be flown.

For making the utility model easier to understand, further set forth the specific embodiment of a kind of model plane 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 model plane fuselage;

Fig. 2 is the disassembly diagram of the utility model model plane fuselage;

Fig. 3 is the main frame schematic diagram of the utility model model plane;

Fig. 4 is the part-structure schematic diagram of the utility model model plane fuselage.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is further described.Shown in seeing figures.1.and.2, model plane 100 of the present utility model mainly comprise propeller unit 101, fuselage 102 and support 103.Wherein, described propeller unit 101 is positioned at fuselage 102 tops and is attached thereto, and support 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 and urosome 12, and described urosome 12 is screwed in the rear portion of fuselage main body 11.

With reference to figure 1 and Fig. 2, fuselage main body 11 comprises hollow shaft 110, primary spindle 111, main frame 112, two reduction gearing 113, two steering wheels 114, two motors 115, steering mechanism 116, battery 117 and dash receivers (figure does not show).Wherein, described hollow shaft 110 vertically runs through main frame 112, and passes propeller unit 101 and steering mechanism 116 from top to down in regular turn.

Referring to figs. 1 through shown in Figure 4, main frame 112 is installed on the middle part of fuselage main body 11, it is frame structure, a cannular boss 12 ' is extended at its middle part, hollow shaft 110 stretches in the described cannular boss 12 ', two motors 115 homonymy symmetrically are arranged on the main frame 112, two 114 of steering wheels are lateral symmetry and are built on the main frame 112, and electrically connect in dash receiver, dash receiver is used to receive the control of remote controller signal, by the manipulation of dash receiver to steering wheel 114, thereby realization is to the control of helicopter direction.Primary spindle 111 stretches in the hollow shaft 110, and can freely rotate in hollow shaft 110.Two reduction gearing 113 are respectively 113a and 113b, and reduction gearing 113a is installed on the primary spindle 111, and with reference to shown in Figure 4, in addition, reduction gearing 113b is positioned at above the reduction gearing 113a, and is installed on the hollow shaft 110.The end of two motors 115 is respectively equipped with motor pinion 115 ', and each motor pinion is meshed with corresponding reduction gearing respectively, drives the start of reduction gearing by motor pinion.Make the reduction gearing 113a driving of a motor therein drive primary spindle 111 down and rotate that reduction gearing 113b can drive hollow shaft 110 and rotate under the driving of another motor.

Support 103 is by foot rest 103a and the battery carrier 103b that is installed on middle inside, and described battery 117 is contained in the battery carrier 103b, and electrically connects with dash receiver and motor.

Described steering mechanism 116 comprises break-in dish 116a, pitch 116b, pitch leading truck 116c and some pull bar 116d.Wherein, described break-in dish 116a and pitch 116b coaxial package are on hollow shaft 110, by bearing pitch 116b is fixed, this pitch 116b forms by a pallet with by outwardly directed three linking arms of pallet level, the described 120 degree angles that form between the linking arm in twos form 120 degree pitches.Break-in dish 116a is built in the pallet of pitch 116b, and it can rotate around hollow shaft 110 in pallet.By two pitch leading truck 116c that are connected with steering wheel 114 pitch 116b level is propped, guaranteed the horizontal location of pitch 116b, and regulate the balance of two steering wheels 114 in the start process by pitch 116b.Break-in dish 116a is built among the pitch 116b, and break-in dish 116a is associated with the main wing of propeller unit 101 by pull bar 116d, make propeller unit 101 under the drive of hollow shaft 110, to rotate synchronously, guaranteed the steady start of propeller unit 101 with break-in dish 116a.

Urosome 12 is fixed in main frame 112 rear ends by screw, and with the center of gravity of balance fuselage main body 11, it comprises tailstock 20 and tailstock balancing unit 22.Described tailstock balancing unit 22 comprises empennage blade 220 and a pair of balancing patch 222, and described empennage blade 220 is fixed in tailstock 20 ends; Described balancing patch 222 is installed on the tailstock 20 symmetrically, is used for swinging of balance tailstock 20, helps balance control in the helicopter flight process.

With reference to figure 1 and Fig. 2, described propeller unit 101 comprises main wing 30, aileron 32, balance wing 34, balancing pole connector 36, several cylinder lever connecting rods 38 and balancing stand 39.Described main wing 30 comprises primary blades folder 300 and the primary blades 302 that is mounted thereon, and described primary blades folder 300 is fixed on the described hollow shaft 110; Balance wing 34 comprises that two balancing poles 340 and symmetry are installed on the balance weight 342 of its end, equally, described aileron 32 comprises back blades folder 320 and the back blades 322 that is mounted thereon, described back blades folder 320 is fixed in described balancing pole connector 36 middle parts by screw, balancing pole connector 36 is installed on the top of primary spindle 111, and, with two cylinder lever connecting rods 38 that back blades presss from both sides on 320 balance wing 34 is associated with aileron 32 by being arranged in balancing pole 340.In addition, described cylinder lever connecting rod 38 also is connected the back blades of described aileron 32 folder 320 with the break-in dish 116a of steering mechanism 116.Symmetry offers two spacing holes (not indicating) on the balancing stand 39, described cylinder lever connecting rod 38 insert in the spacing holes and with balancing stand 39 approximate vertical, by with the balancing stand 39 of the setting of break-in dish 116c level with described cylinder lever connecting rod 38 horizontal location, make main wing 30 by under the pulling of cylinder lever connecting rod 38, with the synchronous start of break-in dish 116a, and by balancing stand 39 keep cylinder lever connecting rods 38 when propeller unit 101 starts steadily.Described main wing 30 and aileron 32 rotate in the opposite direction, and for example: main wing 30 is rotated counterclockwise and aileron 32 turns clockwise.

The utility model is a kind of model plane owing to have coaxial twin screw, and be power source with electric motor (as motor 116), electronic telecontrol and dash receiver control circuit via remote controller, and, described two motors of controlling two reduction gearing starts respectively are provided with in the same way, and these two motors are respectively by driving the backward rotation of two reduction gearing of out-of-alignment, to control its coaxial twin-propeller rotation, thereby produce a lift, allow aircraft rise; Opposite because of twin-propeller blade rotation direction simultaneously, can offset the reverse rotation power that produces because of rotation, helicopter can balance be flown.

Claims

1. model plane, mainly comprise propeller unit, fuselage and support, wherein, described propeller unit is positioned at body upper and is attached thereto, support is positioned at the fuselage below and is attached thereto, and be used for support helix oar unit and fuselage, described fuselage comprises skull, the fuselage main body and the urosome that link to each other with skull, described urosome is fixed in the rear portion of fuselage main body, it is characterized in that: described propeller unit comprises main wing and aileron, the fuselage main body comprises hollow shaft, primary spindle, main frame and two reduction gearing, wherein, described hollow shaft vertically runs through main frame, and described primary spindle is placed in the hollow shaft, described main wing, aileron and a reduction gearing are installed on the hollow shaft, and another reduction gearing is installed on the primary spindle.

2. model plane as claimed in claim 1 is characterized in that: described two groups of screws rotate in the opposite direction.

3. model plane as claimed in claim 1 or 2 is characterized in that: the top of described primary spindle also is connected with a balance wing, and this balance wing is made up of balancing pole and balance weight, and this balance wing and aileron link mutually.

4. model plane as claimed in claim 1 is characterized in that: described propeller unit also further comprises the balancing pole connector, and this balancing pole connector is socketed on described hollow shaft top.

5. model plane as claimed in claim 1, it is characterized in that: described fuselage main body further comprises two steering wheels, two motors and steering mechanism, these two steering wheels and motor all are arranged on the main frame in the same way, and described hollow shaft is run through in steering mechanism, and link with the main wing of screw.

6. model plane as claimed in claim 4 is characterized in that: described propeller unit further comprises several cylinder lever connecting rods, and described cylinder lever connecting rod also is connected described aileron with the break-in dish of steering mechanism.

7. model plane as claimed in claim 6 is characterized in that: described propeller unit further comprises balancing stand, and symmetry offers two spacing holes on the balancing stand, described cylinder lever connecting rod insert in the spacing hole and with the balancing stand approximate vertical.

8. model plane as claimed in claim 5, it is characterized in that: described steering mechanism comprises break-in dish, pitch, pitch leading truck and some pull bars, wherein, described break-in dish and pitch coaxial package are on hollow shaft, the break-in dish is built in the pallet of pitch, it can rotate around hollow shaft in pallet, by two pitch leading trucks that are connected with steering wheel the pitch level is propped, and the break-in dish is associated the break-in dish by pull bar with propeller unit.

9. model plane as claimed in claim 2, it is characterized in that: urosome is fixed in the main frame rear end, it comprises tailstock and tailstock balancing unit, described tailstock balancing unit comprises empennage blade and a pair of balancing patch, described empennage vanes fixed is in the tailstock end, and described balancing patch is installed on the tailstock symmetrically.