CN201353432Y

CN201353432Y - Aerial model airplane

Info

Publication number: CN201353432Y
Application number: CNU2008202048310U
Authority: CN
Inventors: 叶伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-12-03
Filing date: 2008-12-03
Publication date: 2009-12-02
Anticipated expiration: 2018-12-03

Abstract

The utility model provides an aerial model airplane, which comprises a housing which is made of plastics; a screw propeller is arranged on the head of the housing; a power plant is arranged in the housing; the housing consists of a plurality of housing parts; and each housing part comprises a fuselage, wings which are arranged on the fuselage, and a stabilizer and a vertical tail which are arranged on the rear fuselage, wherein at least one of the housing parts is a plastic sucking part, and the internal surface of easily-damaged area of the plastic sucking part is provided with a reinforcing layer. The aerial model plane has low production cost, is convenient to produce by aerial model airplane manufacturers in a small scale, and is capable of enhancing the strength of the housing of the aerial model airplane so as to avoid that surface hollow deformation is caused when the aerial model airplane is impacted.

Description

The model airplane aircraft

Technical field

The utility model relates to a kind of model airplane aircraft, especially a kind of model airplane aircraft of making of plastic material.

Background technology

Existing model airplane aircaft configuration as depicted in figs. 1 and 2, comprise housing 1, housing 1 is made up of a plurality of housing parts, includes fuselage 11, on fuselage 11, be provided with roughly vertical wing 12, be provided with orthogonal tailplane 13 and vertical tail 14 at the afterbody of fuselage with fuselage.Head at fuselage 11 has a screw 2, and power set (invisible among the figure) are installed in fuselage 11, is used to drive screw 2 rotations, thereby drives the model airplane aircraft flight.

The housing 1 of existing model airplane aircraft uses wood materials to be made mostly, thereby housing 1 weight is bigger, needs the bigger power of power set output during flight, and the power that continues that causes flying is little, simultaneously, also is unfavorable for improving the flying speed of model airplane aircraft.

Therefore, publication number is that the Chinese utility model patent of CN2134884Y discloses the technical solution of a kind of " Unitarily blowing formed model airplane aircraft " by name, the structure of this model airplane aircraft and existing model airplane aircraft are roughly the same, but the housing of this model airplane aircraft is Unitarily blowing formed by plastic material, the relative wood materials of its fuselage weight is lighter, under the situation of power set output equal-wattage, the power that not only continues improves, and flying speed is also very fast relatively.

But, the housing of this model airplane aircraft is Unitarily blowing formed, owing to need the metal blow mold of manufacturing price costliness during blow molding, cause the production cost of model airplane aircraft higher, also be unfavorable for the model airplane aircraft of manufacturer's many kinds of small-scale production model of model airplane aircraft.

And, because the housing hardness that makes model airplane aircraft housing made of plastic use wood materials to make is low, the model airplane aircraft often causes the housing depressed deformation when bump takes place, even causes the fragmentation of model airplane aircraft, is unfavorable for the long-term use of model airplane aircraft.

Summary of the invention

Main purpose of the present utility model provides a kind of small-scale production and lower model airplane aircraft of production cost be convenient to;

Another purpose of the present utility model provides the relatively large model airplane aircraft of a kind of plastic material housing hardness.

For realizing above-mentioned main purpose, the model airplane aircraft that the utility model provides comprises the housing that plastics are made, the head of housing is provided with screw, and power set are installed in the housing, and housing is made up of a plurality of housing parts, housing parts comprises fuselage, be arranged on the wing on the fuselage, be arranged on the tailplane and the vertical tail of afterbody, wherein, in the housing parts at least one is the plastic uptake parts, and these plastic uptake parts are provided with back-up coat on the inner surface in rapid wear zone.

By such scheme as seen, the housing parts of forming model airplane aircraft housing is to be made through plastic uptake by plastics, because the plastics suction mould production cost that uses in the plastic uptake process is far below the production cost of blow mold, therefore the model airplane aircraft housing parts of using the manufacturing of plastic uptake technology can reduce the production cost of model airplane aircraft greatly, and helps the model airplane aircraft of model airplane Aircraft Production producer small-scale production certain model.

In addition, on the inner surface in plastic uptake parts rapid wear zone, back-up coat is set, can effectively improves the hardness of model airplane aircraft housing, the generation of surperficial depressed deformation even broken situation takes place when preventing the model airplane aircraft impact.

A preferred scheme is, aforementioned plastic uptake parts comprise interconnective first part and second part, and the rapid wear zone comprises at least a portion of first part and the second part bonding pad.

This shows that the plastic uptake parts are assembled by two parts, can make each part respectively when making housing parts, with the part assembly unit of making, help the manufacturing of plastics suction mould so then.And, back-up coat is arranged on the bonding pad of first part and second part, help strengthening the case hardness of two part bonding pads, when avoiding the model airplane aircraft impact from the generation of bonding pad disintegration situation.

Description of drawings

Fig. 1 is the vertical view of model airplane aircraft;

Fig. 2 is the front view of model airplane aircraft;

Fig. 3 is the structure enlarged drawing of wing first part and wing second part among the utility model embodiment;

Fig. 4 is the local amplification profile of A-A direction among Fig. 1.

The utility model is described in further detail below in conjunction with drawings and Examples.

The specific embodiment

Model airplane aircaft configuration of the present utility model and existing model airplane aircraft are roughly the same, as depicted in figs. 1 and 2.The model airplane aircraft comprises the housing 1 that plastics are made, housing 1 is made up of fuselage 11, wing 12 and the tailplane 13 and the vertical tail 14 that are arranged on fuselage 11 afterbodys, and its middle machine body 11, wing 12, tailplane 13 and vertical tail 14 are housing parts of forming housing 1.

Head at fuselage 11 is provided with screw 2, and in fuselage 11 power set is installed (invisible among the figure), and these power set are battery-driven miniature motor, and screw 2 rotates under the driving of power set, thereby drives the model airplane aircraft flight.

In the present embodiment, the housing 1 of model airplane aircraft is not a global formation, but makes each housing parts respectively, and is then that housing parts is assembled.For example, the fuselage 11 of housing 1, wing 12 and tailplane 13, vertical tail 14 by the plastic uptake technological forming, are fixed on the wing after the moulding 12 top of fuselage 11 then, and tailplane 13, vertical tail 14 are sticked on the afterbody of fuselage 11 respectively.

Each housing parts of present embodiment all uses the manufacturing of plastic uptake method to form, and when making housing parts, each housing parts is divided into two parts, and adhesive surface becomes behind two part difference plastics sucking mouldings.

Referring to Fig. 3, be the structure enlarged drawing of wing first part and wing second part.The wing 12 of present embodiment is assembled by wing first part 21 and wing second part 22 of difference plastics sucking moulding, wing first part 21 forms the top of wing 12, wing second part 22 forms the bottom of wing 12, after the two part assembly units, forms complete wing 12.Certainly, during practical application, wing 12 also can be assembled by three or more parts, and this does not influence enforcement of the present utility model.

Referring to Fig. 4, wing first part 21 after the assembly unit docks with wing second part 22, and is pasted with back-up

coat

23,24 and 25 on the inner surface of wing first part 21 and wing second part 22.As seen from Figure 4, the back-up

coat

23,24,25 of present embodiment is not to arrange continuously, but arranges at interval on the inner surface of wing 12, when strengthening wing 12 surface of shell hardness, reduces the use of reinforcing layer material again.Certainly, the area of the spacing of back-up

coat

23,24,25 and use back-up coat etc. all can be determined according to model airplane aircraft actual conditions.

When back-up coat is set, should on the inner surface of wing 12 rapid wears zone, back-up coat be set, the rapid wear zone of wing 12 comprises the bonding pad 31 that wing first part 21 docks with wing second part 22, on 31 inner surfaces of bonding pad, the case hardness that back-up coat 23 helps to increase bonding pad 31 is set, 31 disintegration from the bonding pad when preventing the model airplane aircraft impact.During practical application, back-up coat 23 not necessarily is arranged on the whole bonding pad 31, and back-up coat 23 only is set on the part of bonding pad 31, does not establish back-up coat 23 on other parts of bonding pad 31, and this does not influence enforcement of the present utility model.

Certainly, the rapid wear zone of wing 12 does not singly comprise wing first part 21 and the bonding pad that wing second part 22 docks, and can also comprise the angle position that projection or groove are set on wing 12 surfaces, and perhaps the position of bump takes place easily for wing 12 two ends etc.

In the present embodiment, back-up

coat

23,24,25 is for sticking on the fiber layer of cloth of wing first part 21 and wing second part 22 after the epoxy resin-impregnated, owing to have excellent mechanical property behind the epoxy resin cure, on the inner surface of wing 12, paste the fiber layer of cloth of epoxy resin-impregnated, can strengthen wing 12 case hardnesses that plastic uptake forms greatly, cause wing 12 surperficial depressed deformations when avoiding the model airplane aircraft impact.

Certainly, during practical application, back-up

coat

23,24,25 can also use carrier alternative fiber layer of cloths such as cotton, hard paper, also can obtain identical effect.

When making wing 12, at first prepare wood materials, carve out the mould of manufacturing wing first part 21 and wing second part 22 according to the profile of wing 12.Then, use plastics sucking moulding equipment, with open and flat plastic sheet heating, treat the plastic sheet deliquescing after, adopt the vacuum draw method that plastic sheet is adsorbed on the die surface, treat that plastic sheet cooling back forms wing first part 21 and wing second part 22.

After making wing first part 21 and wing second part 22,, and the fiber cloth after the epoxy resin-impregnated pasted on the two part inner surfaces, especially stick on the bonding pad 31 of two parts two part assembly units.After treating epoxy resin cure, wing first part 21 and wing second part 22 is pasted together by epoxy resin, and wing 12 case hardnesses strengthen.

Certainly, the above-mentioned manufacture method of only using wing 12 that a housing parts is described as an example, other housing parts, as fuselage 11, tailplane 13 and vertical tail 14 also is assembled by two or more parts, and each part all forms by the plastic uptake manufacturing, on inner surface, be pasted with the back-up coat that epoxy resin and fiber layer of cloth are formed after the assembly unit, the hardness on stiffened shell body component surface.

By as seen above-mentioned, when using the housing parts of plastic uptake method manufacturing model airplane aircraft, the mould that uses is to use the wood materials engraving to form, use metal mould with respect to blowing, the plastics suction mould production cost is lower, and mould is convenient for production, and model airplane Aircraft Production cost is reduced, and also is convenient to the model airplane aircraft of manufacturer's small-scale production certain model of model airplane aircraft.

Certainly, the foregoing description only is a preferable embodiment of the present utility model, in the practical application, more change can also be arranged, for example, use foamed material alternative fiber cloth material in the back-up coat, promptly back-up coat includes froth bed, and uses cohesive materials such as white glue with vinyl or double faced adhesive tape froth bed to be sticked on the inner surface in housing parts rapid wear zone; Perhaps wing first part uses chase mortise to be connected alternative butt joint with wing second part, promptly offers groove on wing first part, offers on wing second part and the corresponding tenon of groove, and these change does not influence enforcement of the present utility model.

And, the said structure characteristics can also be a part of housing parts, use the manufacturing of plastic uptake method as fuselage, wing and form another part housing parts, form as method manufacturings such as application blowings such as tailplane, vertical tail or injection mouldings, this equally also can realize the purpose of this utility model.

It is emphasized that at last; the utility model is not limited to above-mentioned embodiment, also should be included in the protection domain of the utility model claim as trickle variations such as the change of change, wing first part and the wing second part connected mode of reinforcing layer material, the changes of back-up coat area.

Claims

1, the model airplane aircraft comprises

The housing that plastics are made, the head of described housing is provided with screw, and power set are installed in the housing, and described housing is made up of a plurality of housing parts, and described housing parts comprises

Fuselage;

Be arranged on the wing on the fuselage;

Be arranged on the tailplane and the vertical tail of afterbody;

It is characterized in that:

In the described housing parts at least one is the plastic uptake parts, and described plastic uptake parts are provided with back-up coat on the inner surface in rapid wear zone.

2, model airplane aircraft according to claim 1 is characterized in that:

Described plastic uptake parts comprise interconnective first part and second part, and described rapid wear zone comprises at least a portion of the bonding pad of first part and second part.

3, model airplane aircraft according to claim 2 is characterized in that:

First part of described housing parts docks with being connected to of second part or chase mortise is connected.

4, according to each described model airplane aircraft of claim 1 to 3, it is characterized in that:

Described back-up coat is to stick on the fiber layer of cloth that the inner surface in described rapid wear zone forms after the epoxy resin-impregnated.

5, according to each described model airplane aircraft of claim 1 to 3, it is characterized in that:

The froth bed of described back-up coat for forming by the inner surface of glue in described rapid wear zone.