Adjustable air outlet device of aircraft cockpit

Abstract

The invention provides an adjustable air outlet device for an aircraft cockpit, and the device comprises a shape plate which is provided with a rotating shaft fixing hole and a fan installation groove; the multiple fan blades are arranged in the fan blade mounting groove, and each fan blade is hinged to the end of the fan mounting groove; the connecting rod is hinged with the appearance plate through the rotating shaft fixing hole and is correspondingly connected with the plurality of fan blades; the rotating wheel is hinged to the appearance plate through the rotating shaft fixing hole and connected with the connecting rod, and the rotating wheel can drive the connecting rod to move so as to drive the multiple fan blades to be opened or closed together.

Description

Technical Field

[0001] This invention relates to the field of aerospace structural technology, and more specifically to an adjustable air outlet device for an aircraft cockpit. Background Technology

[0002] As military special-purpose aircraft develop towards long-endurance missions, users' demands for cabin comfort are increasing. However, traditional air vents only meet the air supply requirements of the air conditioning system. To maintain air circulation within the cabin, they are often positioned above the personnel, which can easily result in cold air blowing directly on their heads, causing discomfort. Summary of the Invention

[0003] In view of this, the present invention provides an adjustable air outlet device for an aircraft cockpit, so as to achieve manual adjustment of the air outlet direction without changing the position of the air outlet.

[0004] This invention provides the following technical solution: an adjustable air outlet device for an aircraft cockpit, comprising: an outer shell plate with a pivot fixing hole and a fan mounting slot; multiple fan blades disposed in the fan blade mounting slot, each fan blade being hinged to the end of the fan mounting slot; a connecting rod hinged to the outer shell plate through the pivot fixing hole and correspondingly connected to the multiple fan blades; and a rotating wheel hinged to the outer shell plate through the pivot fixing hole and connected to the connecting rod, the rotating wheel being able to drive the connecting rod to move, thereby driving the multiple fan blades to open or close together.

[0005] Compared with the prior art, the beneficial effects that the above-mentioned at least one technical solution adopted by the present invention can achieve include at least the following: by adopting a crankshaft connecting rod mechanism, the air outlet direction can be manually adjusted without changing the position of the air outlet, so as to avoid cold air blowing directly on the head and improve the comfort of the people in the cabin. Attached Figure Description

[0006] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0007] Figure 1 This is a schematic diagram of the adjustable air outlet device. Figure 2 For the outline drawing; Figure 3 This is a schematic diagram of the connecting rod. Figure 4 This is a drawing of the rotor's outline; The attached figures are labeled as follows: 1. Outer plate; 11. Arc-shaped limiting groove; 2. Connecting rod; 21. First fixing pin; 22. First arc-shaped hole; 23. Second fixing pin; 24. Connecting end; 3. Rotating wheel; 31. Second arc-shaped hole; 32. Rotating shaft connecting hole; 33. Eccentric hole; 4. Blade; 5. Rotating shaft; 6. Nut. Detailed Implementation

[0008] The embodiments of this application will now be described in detail with reference to the accompanying drawings.

[0009] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0010] This invention provides an adjustable air outlet device for aircraft cockpits, addressing the problem of poor comfort caused by cold air blowing directly onto passengers' heads from traditional aircraft cockpit air vents. This device utilizes a clever crankshaft connecting rod mechanism to achieve synchronous and coordinated adjustment of the airflow angles of multiple fan blades, thereby changing the airflow direction and improving cockpit comfort.

[0011] Please refer to Figures 1 to 4 As shown, the adjustable air outlet device for the aircraft cockpit in this embodiment mainly includes an outer plate 1, a connecting rod 2, a rotating wheel 3, multiple fan blades 4, and a rotating shaft 5 (in some embodiments, the rotating shaft 5 can be fixed by a combination of a screw and a nut 6).

[0012] The outer plate 1 serves as the main support structure of the device and is preferably made of high-temperature resistant, flame-retardant rigid engineering plastic through die casting. The outer plate 1 has a shaft fixing hole and a fan blade mounting groove for accommodating and mounting multiple fan blades 4. More specifically, at the end of the fan blade mounting groove, multiple arc-shaped limiting grooves 11 are provided, each corresponding to one of the multiple fan blades 4.

[0013] The end of the fan blade mounting slot is provided with 9 arc-shaped limiting slots, which correspond one-to-one with the 9 fan blades. These slots are used to accommodate the hinge shaft between the fan blade and the connecting rod, restricting the hinge shaft to move only along the arc trajectory, thereby limiting the rotation angle range of the fan blade and preventing excessive rotation from causing the mechanism to jam.

[0014] The plurality of fan blades 4 are arranged side by side in the fan blade mounting slot of the outer plate 1. Each fan blade 4 has a rotating shaft at both ends, one end of which engages with a hinge seat at the end of the fan blade mounting slot, so that each fan blade 4 can rotate around its own rotating shaft.

[0015] The fan has nine blades, which are cut and formed from aluminum alloy sheet. Both ends are integrally formed with cylindrical shafts. The shafts are fitted with hinge holes at the ends of the fan blade mounting slots on the outer plate, allowing the fan blades to rotate flexibly around their own shafts.

[0016] The fan blades undergo colorless anodizing, which retains the natural metallic color while significantly improving corrosion resistance, making them suitable for the operating environment of aircraft cockpits. Each fan blade has a hinge hole on its outer side near the rotor end, which matches the connecting rod end for hinged linkage with the connecting rod.

[0017] The connecting rod 2 is hinged to the rotating shaft fixing hole on the outer shell plate 1 via the rotating shaft 5. The connecting rod 2 is preferably made of the same rigid engineering plastic as the outer shell plate 1. (See also...) Figure 3 The upper part of the connecting rod 2 is provided with a first arc-shaped hole 22. The rotating shaft 5 passes through the first arc-shaped hole 22 and is connected to the rotating shaft fixing hole of the outer plate 1. This structure allows the connecting rod 2 to move on a specific trajectory. The connecting rod 2 also includes a first fixing pin 21 and a second fixing pin 23, which are arranged sequentially from top to bottom. The lower part of the connecting rod 2 extends out with multiple connecting ends 24, which correspond one-to-one with multiple fan blades 4. Each connecting end 24 is hinged to the outer edge of the corresponding fan blade 4 through a hinge shaft, and the hinge shaft is simultaneously placed in the corresponding arc-shaped limiting groove 11 on the aforementioned outer plate 1. The arc-shaped limiting groove 11 guides and limits the movement trajectory of the hinge shaft, ensuring that the rotation of the fan blade 4 is smooth and precise.

[0018] The rotating wheel 3 is also hinged to the outer plate 1 via a rotating shaft 5. The rotating wheel 3 is preferably made of rigid engineering plastic. See also... Figure 4 The rotating wheel 3 is provided with a second arc-shaped hole 31, a shaft connecting hole 32, and an eccentric hole 33 arranged at intervals. The shaft 5 passes through the shaft connecting hole 32 of the rotating wheel 3, allowing the rotating wheel 3 to rotate around the shaft 5. The first fixing pin 21 on the connecting rod 2 extends into and is accommodated in the second arc-shaped hole 31 of the rotating wheel 3, while the second fixing pin 23 on the connecting rod 2 is engaged with the eccentric hole 33 of the rotating wheel 3. The surface of the rotating wheel 3 is preferably provided with grooves or anti-slip textures to facilitate user application of force for rotation.

[0019] The assembly process of this invention embodiment is as follows: First, insert the two ends of the nine fan blades into the hinge holes at the ends of the fan blade mounting slots on the outer plate, ensuring that the fan blades can rotate freely and that the hinge holes at the ends of the fan blades are aligned with the arc-shaped limiting slots on the outer plate.

[0020] Place the connecting rod inside the outer plate, so that the nine connecting end hinge shafts at the bottom of the connecting rod are inserted into the hinge holes of the fan blades, and the ends of the hinge shafts are embedded in the arc-shaped limiting grooves; then pass the screw through the first arc hole of the connecting rod, align it with the rotating shaft fixing hole of the outer plate, and initially tighten it with a nut (do not tighten it completely yet, leave a swing gap).

[0021] The rotating wheel is fitted to the outside of the outer plate, and the first fixing pin of the connecting rod is inserted into the second arc hole of the rotating wheel, and the second fixing pin is embedded in the eccentric hole of the rotating wheel; then the same screw is passed through the shaft connection hole of the rotating wheel and locked with another set of nuts to ensure that the rotating wheel, connecting rod and outer plate are reliably connected and can move flexibly.

[0022] After assembly, manually rotate the wheel to check if the fan blades rotate synchronously and without jamming. Adjust the tightness of the nuts to ensure smooth movement of the mechanism before completing the overall assembly.

[0023] The working principle of this invention is as follows: When the user manually rotates the wheel 3, the wheel 3 rotates around the shaft 5. Since the first fixing pin 21 of the connecting rod 2 is located in the second arc hole 31 of the wheel 3, and the second fixing pin 23 is connected to the eccentric hole 33 of the wheel 3, the rotational motion of the wheel 3 is converted into the compound motion of the connecting rod 2 (i.e., crankshaft motion including translation and rotation) through these two pins. The connecting rod 2 moves accordingly and drives all the fan blades 4 that are hinged to it through the various connecting ends 24 at its lower part. Driven by the connecting rod 2 and constrained by the arc limiting groove 11 on the outer plate 1, all the fan blades 4 rotate synchronously and in conjunction around their respective hinge axes, thereby realizing the collective opening (guiding the airflow to a specific angle) or closing (closing the airflow) of the air outlet device, and ultimately achieving the purpose of adjusting the airflow direction.

[0024] The adjustable air vent device for aircraft cockpits of this invention is fixed to the decorative panel of the aircraft cockpit using screws and other fasteners. Its overall structure is simple and reliable, primarily employing a mechanical linkage method with hole-shaft mating. It has few parts, good manufacturability, convenient assembly and disassembly, and strong interchangeability. Its shape and installation dimensions can be adaptively adjusted according to the actual space requirements of the aircraft, making it widely applicable.

[0025] The above description is merely a specific embodiment of the present invention and should not be construed as limiting the scope of the invention. Therefore, any substitution of equivalent components or equivalent changes and modifications made within the scope of protection of this patent should still fall within the scope of this patent. Furthermore, the technical features, technical features and technical solutions, and technical solutions in this invention can be freely combined and used.

Claims

1. An aircraft cabin adjustable air outlet device, characterized in that, The utility model relates to a fan, comprising: an outline plate (1) provided with a rotating shaft fixing hole and a fan mounting slot; a plurality of fan blades (4) arranged in the fan mounting slot, each of the fan blades (4) being hingedly connected to an end of the fan mounting slot; a connecting rod (2) hingedly connected to the outline plate (1) through the rotating shaft fixing hole and corresponding connected to the plurality of fan blades (4); a rotating wheel (3) hingedly connected to the outline plate (1) through the rotating shaft fixing hole and connected to the connecting rod (2), the rotating wheel (3) being capable of driving the connecting rod (2) to move so as to drive the plurality of fan blades (4) to open or close together.

2. The aircraft cabin adjustable air outlet of claim 1, wherein, The connecting rod (2) is provided with a first arc hole (22), wherein the rotating shaft (5) passes through the first arc hole (22) of the connecting rod (2) and is connected to the rotating shaft fixing hole; the lower part of the connecting rod (2) is provided with a plurality of connecting ends (24), the plurality of connecting ends (24) are one-to-one corresponding connected to the plurality of fan blades (4), and each of the connecting ends (24) is hingedly connected to the outer side edge of an end of the corresponding fan.

3. The aircraft cabin adjustable air outlet of claim 2, wherein, The connecting rod (2) further comprises a first fixing pin (21) and a second fixing pin (23), the first fixing pin (21), the first arc hole (22) and the second fixing pin (23) being sequentially arranged from top to bottom.

4. The aircraft cabin adjustable air outlet of claim 3, wherein, The rotating wheel (3) is provided with a second arc hole (31), a rotating shaft connecting hole (32) and an eccentric hole (33) sequentially and spacedly arranged, the rotating shaft (5) being arranged in the rotating shaft connecting hole (32), the rotating wheel (3) being capable of rotating around the rotating shaft (5), the first fixing pin (21) being arranged in the second arc hole (31), and the second fixing pin (23) being connected to the eccentric hole (33) in cooperation.

5. The aircraft cabin adjustable air outlet of claim 4, wherein, An end of the fan mounting slot is provided with a plurality of arc limiting grooves (11), the plurality of arc limiting grooves (11) being one-to-one corresponding connected to the plurality of fan blades (4), and each of the connecting ends (24) and the hinging shaft of the end of the corresponding fan are arranged in the corresponding arc limiting groove (11).

6. The aircraft cabin adjustable air outlet of claim 1, wherein, The outline plate (1), the connecting rod (2) and the rotating wheel (3) are all made of hard engineering plastic.

7. The aircraft cabin adjustable air outlet of claim 1, wherein, The fan blades (4) are made of aluminum alloy material.

8. The aircraft cabin adjustable air outlet of claim 7, wherein, The fan blades (4) are subjected to colorless anodic oxidation treatment.

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