Wing structure capable of changing front-back sweep angle and up-down dihedral angle

Abstract

The wing structure comprises a supporting frame, a top plate is installed above the supporting frame through a stand column, a first motor is arranged on the top plate, a driving gear is installed at the driving end of the first motor, a rotating shaft is arranged between the top plate and the supporting frame, and the rotating shaft is connected with the top plate through a rotating shaft. A driving gear is arranged on the supporting frame, a rotating shaft is arranged on the supporting frame, a transmission gear meshed with the driving gear is sleeved on the rotating shaft, a wing body is fixedly arranged on the side wall of the rotating shaft, and an adjusting assembly is arranged on one side of the supporting frame. The first motor can control the change of the sweepforward angle or the sweepback angle of the wing, the second motor can control the change of the vertical dihedral angle of the wing through the cooperative use of the eccentric shaft and the sliding groove, the flexibility of the wing is improved, and the adaptability and the performance under different flight conditions are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to aircraft wing technical field, concretely is a wing structure of variable front and rear sweep angle and up and down reverse angle. BACKGROUND

[0002] With the rapid development of aerospace technology, the performance requirements of new generation aircraft are increasingly improved, especially in reliability, autonomy, adaptability and other aspects. The traditional aircraft usually adopts fixed wing design, which is simple and reliable, but the adaptability under different flight conditions is poor, especially in high-speed flight and maneuvering flight, the fixed wing design cannot fully utilize the aerodynamic advantage, which limits the performance of the aircraft, therefore, a new adjustable wing structure is urgently needed to be developed, so that the aircraft can adapt to various flight environments and tasks, and show significant advantages and potential. SUMMARY

[0003] In view of the defects of the prior art, the utility model provides a wing structure of variable front and rear sweep angle and up and down reverse angle, which solves the problem that the existing fixed wing cannot meet different flight environments and tasks.

[0004] To achieve the above purpose, the utility model realizes the following technical scheme: a wing structure of variable front and rear sweep angle and up and down reverse angle, including support frame, the top of support frame is provided with top plate through stand, the first motor is equipped on the top plate, the drive gear is installed on the drive end of first motor, the pivot shaft is equipped between the top plate and the support frame, the transmission gear meshing with the drive gear is sleeved on the pivot shaft, the pivot shaft side wall is fixedly installed with wing body, the adjusting assembly is arranged on one side of the support frame.

[0005] Preferably, the adjusting assembly includes a support, a second motor is arranged on the support, a rocker is installed on the drive end of the second motor, an eccentric shaft is installed on one end of the rocker, a slide plate that can slide up and down is arranged on the side wall of the support, a sliding groove is arranged on the slide plate, the eccentric shaft is slidably connected with the sliding groove, the support frame is hingedly connected with the slide plate on one end, a pair of struts are arranged on both sides of the support frame, a slide pin is arranged on the side wall of the support frame close to the strut, a strip-shaped groove matched with the slide pin is arranged on both sides of the support frame, and the slide pin can slide in the strip-shaped groove.

[0006] Preferably, a guide groove is arranged on the side wall of the support, and a guide rod is fixedly arranged on the side wall of the slide plate, one end of the guide rod is slidably connected with the guide groove.

[0007] Preferably, an arc-shaped groove is arranged on the support frame, and a limiting block slidably connected with the arc-shaped groove is fixedly arranged on the lower wall of the wing.

[0008] Preferably, a weight-reducing hole is arranged on the support frame.

[0009] Advantages

[0010] The utility model provides a variable front and rear sweep angle and up and down reverse angle wing structure, has the following advantages:

[0011] The first motor can control the change of the front sweep angle or the rear sweep angle of the wing through the cooperation of the driving gear and the transmission gear, and the second motor can control the up and down reverse angle change of the wing through the cooperation of the eccentric shaft and the sliding groove, which not only improves the flexibility of the wing, but also ensures the adaptability and performance under different flight conditions, and the design of the limiting block can limit the change range of the front and rear sweep angle of the wing to avoid excessive change leading to structural damage or unstable flight.

[0012] The application realizes efficient deformation of the aircraft under different flight states to adapt to the changing flight environment and task requirements, thereby overcoming the shortcomings of the prior art and promoting the development and application of the morphing aircraft technology. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model.

[0014] Figure 2 It is a top view structural schematic view of the utility model.

[0015] Figure 3 It is a bottom view structural schematic view of the utility model.

[0016] Figure 4 It is a partial side view structural schematic view of the utility model.

[0017] In the figure: 1, first motor;2, transmission gear;3, sliding groove;4, second motor;5, eccentric shaft;6, limiting block;7, support frame;8, top plate;9, support;10, sliding plate;11, support column;12, sliding pin;13, strip-shaped groove;14, arc-shaped groove;15, rocker;16, wing body. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Please refer to Figures 1-2The utility model provides a technical scheme: a wing structure of variable front and back sweep angle and up and down reverse angle, including support frame 7, the top of support frame 7 is equipped with roof 8 through stand, be equipped with first motor 1 on roof 8, first motor 1 drive end is equipped with drive gear, be equipped with pivot between roof 8 and support frame 7, the transmission gear 2 of drive gear is engaged with the sleeve of pivot, pivot side wall is fixedly installed with wing body 16, one side of support frame 7 is equipped with adjusting assembly.

[0020] Through adopt above technical scheme, be equipped with first motor 1 on roof 8, its drive end is equipped with drive gear. Drive gear is engaged with transmission gear 2 on pivot, pivot is rotated by the rotation of first motor 1, to realize the front and back sweep angle change of wing body 16.

[0021] The embodiment is further provided with the adjusting assembly including the support 9, the second motor 4 is equipped on the support 9, the rocker 15 is equipped on the drive end of the second motor 4, the eccentric shaft 5 is installed on one end of the rocker 15, the slide plate 10 that can slide up and down is equipped on the side wall of the support 9, the slide groove 3 is equipped on the slide plate 10, the eccentric shaft 5 is slidably connected with the slide groove 3, one end of the support frame 7 is hinged with the slide plate 10, a pair of struts 11 are equipped on both sides of the support frame 7, the slide pin 12 is equipped on the side wall close to the support frame 7 of the strut 11, the strip-shaped slot 13 matched with the slide pin 12 is equipped on both sides of the support frame 7, and the slide pin 12 can slide in the strip-shaped slot 13.

[0022] Through adopt above technical scheme, when the second motor 4 drives the rotation of the rocker 15, the position of the eccentric shaft 5 in the slide groove 3 changes, to drive the slide plate 10 to move up and down, and the support frame 7 can be tilted up and down under the drive of the slide plate 10, to change the up and down reverse angle of the wing, to adapt to different flight conditions.

[0023] The embodiment is further provided with the guide slot on the side wall of the support 9, and the guide rod is fixedly arranged on the side wall of the slide plate 10, and one end of the guide rod is slidably connected with the guide slot.

[0024] Through adopt above technical scheme, the stability of the slide plate 10 in the process of sliding up and down is ensured by the design of the guide slot and the guide rod, to prevent the slide plate 10 from shaking or deviating.

[0025] The embodiment is further provided with the arc-shaped slot 14 on the support frame 7, and the limiting block 6 slidably connected with the arc-shaped slot 14 is fixedly arranged on the lower wall of the wing.

[0026] Through adopt above technical scheme, the sliding of the limiting block 6 in the arc-shaped slot 14 limits the change range of the front and back sweep angle of the wing, to prevent the structure from being damaged due to excessive change.

[0027] The support frame 7 is provided with a lightening hole.

[0028] By the skilled in the art, the parts in the case are sequentially connected, the specific connection and operation sequence should be referred to the working principle, and the detailed connection means is the public known technology in the art, and the working principle and process are mainly introduced below.

[0029] When it is necessary to change the forward and backward sweep angle, the first motor 1 is started to drive the driving gear to rotate, the driving gear is engaged with the transmission gear 2 to drive the rotating shaft to rotate, the rotating shaft rotation makes the wing body 16 rotate around the rotating shaft center, so as to change the forward or backward sweep angle of the wing, and through the cooperation with the arc-shaped groove 14, the change range of the wing forward and backward sweep angle is limited to avoid excessive change;

[0030] When it is necessary to change the up and down dihedral angle, the second motor 4 is started to drive the rocker 15 to rotate, the eccentric shaft 5 on the rocker 15 moves in the sliding groove 3 in the rotating process due to its eccentric characteristic, the sliding plate 10 slides up and down with the up and down movement of the eccentric shaft 5, one end of the support frame 7 is hinged with the sliding plate 10, the up and down movement of the sliding plate 10 drives the support frame 7 to tilt up and down, so as to change the up and down dihedral angle of the wing, the sliding pin 12 on the support column 11 slides in the strip-shaped groove 13 to provide additional support and stability, and finally the adjustment of the up and down dihedral angle is completed, which is suitable for various flight tasks and can effectively improve the maneuverability and adaptability of the aircraft.

[0031] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or inherent to such a process, method, article, or apparatus. Without more limitations, the statement "comprises a limited element" does not exclude the presence of additional identical elements in the process, method, article, or apparatus including the element.

[0032] Although the embodiments of the present application have been shown and described, it should be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A wing structure with variable forward and backward sweep angles and dihedral angles, characterized in that, The system includes a support frame (7), a top plate (8) is mounted on the support frame (7) via a column, a first motor (1) is mounted on the top plate (8), a drive gear is mounted on the drive end of the first motor (1), a rotating shaft is provided between the top plate (8) and the support frame (7), a transmission gear (2) that meshes with the drive gear is mounted on the rotating shaft, an organic wing body (16) is fixedly mounted on the side wall of the rotating shaft, and an adjustment component is provided on one side of the support frame (7).

2. The wing structure with variable forward and backward sweep angles and dihedral angles according to claim 1, characterized in that, The adjustment assembly includes a support (9), on which a second motor (4) is mounted. A rocker arm (15) is mounted on the drive end of the second motor (4). An eccentric shaft (5) is mounted on one end of the rocker arm (15). A sliding plate (10) that can slide up and down is provided on the side wall of the support (9). A sliding groove (3) is provided on the sliding plate (10). The eccentric shaft (5) is slidably connected to the sliding groove (3). One end of the support frame (7) is hinged to the sliding plate (10). A pair of pillars (11) are provided on both sides of the support frame (7). A sliding pin (12) is provided on the side wall of the pillar (11) near the support frame (7). A strip groove (13) matching the sliding pin (12) is provided on both sides of the support frame (7). The sliding pin (12) can slide in the strip groove (13).

3. The wing structure with variable forward and backward sweep angles and dihedral angles according to claim 2, characterized in that, The support (9) has a guide groove on its side wall, and the slide plate (10) has a guide rod fixedly installed on its side wall. One end of the guide rod is slidably connected to the guide groove.

4. The wing structure with variable forward and backward sweep angles and dihedral angles according to claim 1, characterized in that, The support frame (7) is provided with an arc-shaped groove (14), and the lower wall of the wing body (16) is fixed with a limiting block (6) that is slidably connected to the arc-shaped groove (14).

5. The wing structure with variable forward and backward sweep angles and dihedral angles according to claim 3, characterized in that, The support frame (7) is provided with weight reduction holes.

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