CN113680080A

CN113680080A - Aviation model in aviation sports

Info

Publication number: CN113680080A
Application number: CN202111057594.6A
Authority: CN
Inventors: 吴永高
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2021-11-23

Abstract

The invention discloses an aeromodel in aeronautical sports, which comprises an airplane body and an ejection hook, wherein the ejection hook is installed on the airplane body, and the airplane body is made of Epp foam plastic. The invention belongs to the technical field of aviation models and aims to solve the problems that an aviation model in the prior art is fragile, unstable in flying and low in safety performance. The technical effects achieved are as follows: the aircraft model has the characteristics of high strength, impact resistance, corrosion resistance, difficulty in damage and the like by arranging the aircraft body made of EPP (expanded polypropylene) foam plastic, and further ensures the stability and reliability of the aircraft model during operation.

Description

Aviation model in aviation sports

Technical Field

The invention relates to the technical field of aviation models, in particular to an aviation model in aviation sports.

Background

The existing aviation model can realize that the hand-thrown gliding is stable and the flying is more than 20 meters away. The flight space-reserving time of the eight-storey building can reach 30 seconds by using the phase rubber band. The rocket can be launched into the sky with more than 100 meters and then automatically unhooked with the rocket to shift into stable free gliding flight; but the existing aeromodels are easy to break; the ejection model airplane which is made of wood and is not easy to break has higher hardness, the initial speed is higher when the ejection model airplane is ejected to the sky by the rubber band, the ejection model airplane is easy to fly and collide in disorder on the sky, and the head of a user is easy to break bleeding and is dangerous; the ejection model airplane made of wood can only be thrown by hand to glide and is ejected by the rubber band; the function of launching and taking off by using a rocket cannot be realized.

Disclosure of Invention

Therefore, the invention provides an aeromodelling in aeronautical sports, which solves the above problems in the prior art.

In order to achieve the above purpose, the invention provides the following technical scheme:

according to a first aspect of the invention, an aeromodelling for aeronautical and sporting activities comprises an aircraft body and an ejection hook, wherein the ejection hook is mounted on the aircraft body, and the aircraft body is made of Epp foam plastic.

Furthermore, the aircraft body comprises a machine head, a machine body and a wing assembly, wherein the machine head is integrally formed at the front end of the machine body, and the wing assembly is integrally formed on the machine body.

Furthermore, the wing assembly comprises a wing and an empennage, wherein the wing is positioned in the middle of the fuselage, and the empennage is positioned at the tail of the fuselage.

Further, the tail includes a horizontal tail and a vertical tail, which are perpendicular to each other.

Further, the wing span is 400 mm.

Further, the chord root of the airfoil has a width of 100 mm.

Further, the ejection hook is made of hard plastic.

Further, the dihedral of the wing is 15 degrees.

Further, the thickness of the vertical rear wing is 4 mm.

Further, the thickness of the horizontal rear wing is 4 mm.

The invention has the following advantages: the setting of making for EPP foamed plastic through the aircraft body makes this model aircraft make this model aircraft have high strength, shock-resistant corrosion-resistant and difficult damaged scheduling characteristic, and then stability and reliability when having guaranteed this model aircraft and operating.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a front view of an aerospace model in aerospace sports according to some embodiments of the invention.

FIG. 2 is a top view of an aerospace model in aerospace sports according to some embodiments of the invention.

FIG. 3 is a perspective view of an aerospace model in aerospace sports according to some embodiments of the invention.

FIG. 4 is a top view of an airfoil of an aerospace model in aerospace sports according to some embodiments of the invention.

Fig. 5 is a schematic structural diagram of an ejection hook of an aeromodelling in an aeronautical sports movement according to some embodiments of the present invention.

Fig. 6 is a top view of a horizontal rear wing of an aeromodelling in aeronautical sports, according to some embodiments of the present invention.

FIG. 7 is a side view of an aerospace model in aerospace sports according to some embodiments of the invention.

FIG. 8 is a side view of an airfoil of an aerospace model in aerospace sports according to some embodiments of the invention.

In the figure: 1. the aircraft nose, 2, the fuselage, 3, vertical tail, 4, horizontal tail, 5, the wing, 6, the ejection hook.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 8, an aeromodelling in an aeronautical sports movement according to an embodiment of the first aspect of the present invention includes an aircraft body and an ejection hook 6, the ejection hook 6 is mounted on the aircraft body, and the aircraft body is made of Epp foam.

In the above embodiment, it should be noted that the ejection hook 6 is connected to the aircraft body by means of adhesion, and the ejection hook 6 is made of hard plastic material, and can be launched by a rocket and ejected by a rubber band.

Specifically, the EPP foam plastic has the advantages of high strength, high resilience, impact resistance, corrosion resistance and difficult breakage.

The technical effects achieved by the above embodiment are as follows: make this model airplane have high strength, shock-resistant corrosion-resistant and difficult damaged characteristic such as for setting up that EPP foamed plastic made through the aircraft body, use EPP foamed plastic to do the model airplane can not break and break into pieces, and then stability and reliability when having guaranteed this model airplane to operate.

Specifically, the model airliner is a multi-purpose aeromodel, can be thrown by hands to glide and fly, can be ejected by rubber bands to fly, can be launched to the sky with the height of more than 100 meters by a rocket, can be placed on an office table to be displayed as artwork, can be used as teaching materials of manual labor classes of students, and can be used as aeronautical and sports competition equipment of the students.

Alternatively, as shown in fig. 1 to 3, in some embodiments, the aircraft body includes a nose 1, a fuselage 2 and a wing assembly, the nose 1 is integrally formed at the front end of the fuselage 2, and the wing assembly is integrally formed on the fuselage 2.

In the above alternative embodiment, it should be noted that, the wing assembly and the fuselage 2 are both made of EPP foam, and the wing assembly and the fuselage 2 can also be detachably connected by a connecting member such as a bolt; preferably, the cross-sectional shape of the body 2 is elliptical.

The beneficial effects of the above alternative embodiment are: the flight of the model airplane can be ensured through the arrangement of the wing components.

Alternatively, as shown in fig. 1-3, in some embodiments, the wing assembly includes a wing 5 and a tail wing, the wing 5 being located in the middle of the fuselage 2 and the tail wing being located at the rear of the fuselage 2.

In the above alternative embodiment, it should be noted that, preferably, the number of the wings 5 is two, two wings 5 are combined with each other to form a whole, two wings 5 are respectively disposed on two of the fuselage 2, and the two wings 5 are symmetrical with respect to the central symmetry line of the fuselage 2.

The beneficial effects of the above alternative embodiment are: the model airplane can stably slide through the matching arrangement of the wings 5 and the empennage.

Alternatively, as shown in fig. 1 to 3, in some embodiments, the tail includes a horizontal tail 4 and a vertical tail 3, and the horizontal tail 4 is perpendicular to the vertical tail 3.

Alternatively, as shown in fig. 1-4, in some embodiments, the wing 5 has a span of 400 mm.

In the above alternative embodiment, it should be noted that the wing span of the existing model airplane is 200 mm.

The beneficial effects of the above alternative embodiment are: the wingspan of the wing 5 is changed from 200mm to 400mm, so that the area of the wing 5 is increased, the flight resistance of the model is increased, the initial speed of the airplane is reduced, and the safety performance of the model is improved.

Alternatively, as shown in fig. 1 to 4, in some embodiments the chord root of the airfoil 5 has a width of 100 mm.

In the alternative embodiment described above, it should be noted that the chord root of the existing wing 5 has a width of 50 mm.

The beneficial effects of the above alternative embodiment are: the width of the chord root of the wing 5 is increased from 50mm to 100mm, the flight resistance of the model is further increased, the initial takeoff speed is reduced while the flight stability of the model is improved, and the safety performance of the model is further guaranteed.

Optionally, as shown in fig. 1 and 5, in some embodiments, the ejection hook 6 is made of hard plastic.

In the above optional embodiment, it should be noted that the ejection hook 6 is composed of a connecting plate and a hook, the thickness of the connecting plate is 3mm, the connecting plate and the hook are integrally formed, and the connecting plate is mounted on the aircraft body in a manner of bonding connection or the like.

The beneficial effects of the above alternative embodiment are: the model can be thrown by hand to glide and launch by the rubber band through the ejection hook 16, and can be launched to fly at high altitude with more than 100 meters by a rocket.

Alternatively, as shown in fig. 1-4, in some embodiments, the dihedral of the wing 5 is 15 degrees.

The beneficial effects of the above alternative embodiment are: the stability of the model can be improved by arranging the wing 5 with the dihedral angle of 15, and the safety performance of the model is indirectly improved.

Alternatively, as shown in fig. 1 to 4, in some embodiments, the thickness of the vertical tail 3 is 4 mm.

The beneficial effects of the above alternative embodiment are: the thickness of the vertical tail 3 is limited, so that the use effect of the model airplane can be ensured, and the waste of materials can be avoided.

Alternatively, as shown in fig. 1 to 3 and 6, in some embodiments, the horizontal rear wing 4 has a thickness of 4 mm.

The beneficial effects of the above alternative embodiment are: the thickness of the horizontal tail wing 4 is limited, so that the use effect of the model airplane can be ensured, and the waste of materials can be avoided.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.

Claims

1. The model airplane in the aviation sports is characterized by comprising an airplane body and an ejection hook (6), wherein the ejection hook (6) is installed on the airplane body, and the airplane body is made of Epp foam plastics.

2. An aeronautical model in an aeronautical sport according to claim 1, characterized in that the aircraft body comprises a nose (1), a fuselage (2) and wing components, the nose (1) being integrally formed at the front end of the fuselage (2), and the wing components being integrally formed on the fuselage (2).

3. Aeromodelling according to claim 2, wherein said wing assembly comprises a wing (5) and an empennage, said wing (5) being located in the middle of said fuselage (2) and said empennage being located at the rear of said fuselage (2).

4. Aeromodelling in an aerospace sports movement according to claim 3, wherein the empennage comprises a horizontal empennage (4) and a vertical empennage (3), the horizontal empennage (4) and the vertical empennage (3) being perpendicular to each other.

5. An aeromodelling in aeronautical sports according to claim 3, characterised in that the wing span of the wing (5) is 400 mm.

6. An aeromodelling in aeronautical sports according to claim 3, wherein the chord root of the airfoil (5) has a width of 100 mm.

7. An aeromodelling according to claim 1, wherein said ejection hooks (6) are of hard plastic.

8. An aeronautical model in aeronautical sports according to claim 3, characterized in that the dihedral angle of the wings (5) is 15 degrees.

9. Aeromodelling in an aeronautical sports event according to claim 4, characterised in that the thickness of the vertical tail (3) is 4 mm.

10. Aeromodelling in an aeronautical sports event according to claim 4, characterized in that the tailplane (4) has a thickness of 4 mm.