CN218431719U

CN218431719U - Light airplane wheel

Info

Publication number: CN218431719U
Application number: CN202222608911.5U
Authority: CN
Inventors: 徐晨阳
Original assignee: Bolu Jingmen Aircraft Co ltd
Current assignee: Bolu Jingmen Aircraft Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-03
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a light aircraft wheel, include the wheel hub who is connected with the back shaft rotation, wheel hub is last to be equipped with and to run through its axial through-hole along the axial, the one end of back shaft stretches into inside the axial through-hole, the coaxial drive ring rather than inner wall fixed connection that is equipped with in the axial through-hole, the tip swivelling joint of back shaft is located fan assembly in the axial through-hole, be equipped with on the back shaft with the drive ring the gear drive subassembly that the fan assembly transmission is connected, the drive ring passes through the gear drive subassembly drives fan assembly is rotatory, the utility model discloses utilize the rotatory fan assembly that drives of wheel hub to rotate and realize the cooling action, alleviate the inside weight of wheel hub and reduced the fault conditions.

Description

Light airplane wheel

Technical Field

The utility model relates to an aircraft spare part technical field specifically is a light aircraft wheel.

Background

The center position of current aircraft wheel hub generally is equipped with the trompil that is used for holding aircraft wheel axle, and generally sets up fan cooling system in the trompil, including setting up drive assembly and the power supply control subassembly in the trompil, the trompil inner space is narrow and small, and the testing and maintenance is inconvenient, the wheel with the rotatory in-process of ground contact, can high-speed rotatory, and accompany great vibration, lead to drive assembly and control circuit to damage easily and break down easily under the high strength vibration environment of high-speed rotation, consequently, design one kind and utilize the rotatory power that produces of wheel hub self to drive the rotatory wheel of fan and seem important.

Disclosure of Invention

An object of the utility model is to provide a light aircraft wheel realizes the cooling action through wheel hub rotation driving cooling fan is rotatory.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a light aircraft wheel, includes and rotates the wheel hub of being connected with the back shaft, wheel hub is last to be equipped with and to run through its axial through-hole along the axial, the one end of back shaft stretches into inside the axial through-hole, the coaxial drive ring rather than inner wall fixed connection that is equipped with in the axial through-hole, the tip of back shaft rotates and is connected with and is located fan assembly in the axial through-hole, be equipped with on the back shaft with the drive ring the gear drive subassembly that fan assembly transmission is connected, the drive ring passes through the gear drive subassembly drives fan assembly is rotatory.

Preferably, the transmission ring is fixedly connected with a plurality of connecting rods arranged along the radial direction of the transmission ring, and the connecting rods are fixedly connected with the inner wall of the axial through hole.

Preferably, the gear transmission assembly comprises a first bevel gear, a second bevel gear and a third bevel gear, the first bevel gear and the second bevel gear are coaxially provided with through holes with diameters larger than those of the supporting shaft and coaxially sleeved on the supporting shaft, the transmission ring is close to one side of the fan assembly and fixedly connected with the first bevel gear, the fan assembly comprises a cooling fan and a transmission base, the transmission base is rotatably connected with the end part of the supporting shaft, a rotating shaft of the cooling fan is fixedly connected with the transmission base in a coaxial mode, one side of the transmission base, which is close to the transmission ring, is fixedly connected with the second bevel gear, the third bevel gear is rotatably connected with the supporting shaft and is located between the first bevel gear and the second bevel gear, and two sides of the third bevel gear are respectively meshed with the first bevel gear and the second bevel gear.

Further preferably, the hub is close to be equipped with a plurality of first exhaust vents on fan assembly's the terminal surface and be connected with first wind channel, be equipped with on axial through hole's the lateral wall with the second exhaust vent in first wind channel intercommunication, the second exhaust vent sets up cooling fan keeps away from one side of transmission ring.

Preferably, the end face, close to the transmission ring, of the hub is provided with a plurality of first air inlet holes and connected with a second air duct, the side wall of the axial through hole is provided with a second air inlet hole communicated with the second air duct, and the second air inlet hole is formed in one side, close to the transmission ring, of the cooling fan.

Still further preferably, the end face, close to the fan assembly, of the hub is fixedly connected with a mounting ring coaxially arranged with the axial through hole, and the mounting ring is provided with external threads and is detachably connected with a sealing cover.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses the wheel has set up gear drive assembly, including first bevel gear, second bevel gear, third bevel gear, first bevel gear and transmission ring fixed connection, second bevel gear and transmission base fixed connection, third bevel gear and first bevel gear, second bevel gear meshing transmission, it is rotatory and rotatory to drive the fan through gear drive assembly drive transmission ring when wheel hub is rotatory, realizes cooling work.

Drawings

Fig. 1 is a schematic structural view of a light airplane wheel of the present invention;

fig. 2 is a schematic structural view of another preferred embodiment of the light airplane wheel of the present invention;

fig. 3 is a schematic structural view of a gear transmission assembly in a wheel of a light aircraft according to the present invention;

fig. 4 is a schematic structural view of a first air duct and a second air duct in the wheel of the light airplane of the present invention;

in the figure: 1. a hub; 101. a first air outlet; 102. a first air duct; 103. a second air outlet hole; 104. a first air inlet hole; 105. a second air duct; 106. a second air inlet hole; 2. an axial through bore; 3. a drive ring; 301. a connecting rod; 4. a fan assembly; 401. a cooling fan; 402. a transmission base; 5. a transmission assembly; 501. a first bevel gear; 502. a second bevel gear; 503. a third bevel gear; 6. a mounting ring; 7. and (7) sealing the cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Please refer to fig. 1 and fig. 3, the utility model provides an embodiment, a light airplane wheel, including the wheel hub 1 that is connected with the back shaft rotation, the back shaft level sets up and does not rotate, be equipped with the axial through hole 2 that runs through it along the axial on the wheel hub 1, wheel hub 1 fixedly connected with is located the rotation base of one side in the axial through hole 2, the rotation base rotates with the back shaft and is connected, one end of back shaft stretches into in the axial through hole 2, be equipped with the drive ring 3 rather than inner wall fixed connection in the axial through hole 2 coaxially, the tip of back shaft rotates and is connected with the fan assembly 4 that is located in the axial through hole 2, be equipped with the gear drive assembly 5 that is connected with drive ring 3, fan assembly 4 transmission on the back shaft, the drive ring 3 passes through the gear drive assembly 5 drives the fan assembly 4 rotation;

when the hub 1 rotates, the fan assembly 4 is driven to rotate through the gear transmission assembly 5, an additional power supply or a driving assembly does not need to be arranged in the hub 1, and the portability of the hub 1 is improved;

specifically, a plurality of connecting rods 301 arranged along the radial direction of the driving ring 3 are fixedly connected to the driving ring 3, and the connecting rods 301 are fixedly connected with the inner wall of the axial through hole 2;

specifically, the gear transmission assembly 5 includes a first bevel gear 501, a second bevel gear 502, and a third bevel gear 503, the first bevel gear 501 and the second bevel gear 502 are coaxially provided with through holes having a diameter larger than that of the support shaft and coaxially sleeved on the support shaft, one side of the transmission ring 3 close to the fan assembly 4 is fixedly connected with the first bevel gear 501, the fan assembly 4 includes a cooling fan 401 and a transmission base 402, the transmission base 402 is rotatably connected with an end of the support shaft, a rotating shaft of the cooling fan 401 is coaxially and fixedly connected with the transmission base 402, one side of the transmission base 402 close to the transmission ring 3 is fixedly connected with the second bevel gear 502, the third bevel gear 503 is rotatably connected with the support shaft and is located between the first bevel gear 501 and the second bevel gear 502, the third bevel gear 503 is coaxially and fixedly connected with a rotating shaft, the rotating shaft is radially arranged along the support shaft and is rotatably connected with the support shaft, and two sides of the third bevel gear 503 are respectively engaged with the first bevel gear 501 and the second bevel gear 502;

because the supporting shaft does not rotate, when the hub 1 rotates, the driving ring 3 is driven to rotate, the driving ring 3 drives the first bevel gear 501 to rotate, the first bevel gear 501 drives the second bevel gear 502 to rotate through the third bevel gear 503, the second bevel gear 502 drives the driving base 402 to generate rotary motion in the direction opposite to that of the hub 1, and drives the cooling fan 401 to generate rotary motion in the same direction as that of the cooling fan, the cooling fan 401 and the hub 1 generate rotary motion in the opposite directions, bevel gears of different models are installed, the rotating speed of the fan can be changed, and the cooling effect of heat dissipation is realized through the axial airflow motion generated by the cooling fan 401.

As shown in fig. 2 and 4, in a preferred embodiment of the present invention, specifically, a plurality of first air outlets 101 and a first air duct 102 are disposed on the end surface of the hub 1 close to the fan assembly 4, a second air outlet 103 communicated with the first air duct 102 is disposed on the side wall of the axial through hole 2, and the second air outlet 103 is disposed on a side of the cooling fan 401 away from the transmission ring 3;

the first air outlet hole 101, the first air duct 102 and the second air outlet hole 103 form air outlet channels, and the air outlet channels have a stronger heat dissipation effect;

specifically, a plurality of first air inlet holes 104 are formed in the end surface of the hub 1 close to the transmission ring 3 and connected with a second air duct 105, a second air inlet hole 106 communicated with the second air duct 105 is formed in the side wall of the axial through hole 2, and the second air inlet hole 106 is formed in one side of the cooling fan 401 close to the transmission ring 3;

the first air inlet hole 104, the second air duct 105 and the second air inlet hole 106 form air inlet channels, the multiple air inlet channels can increase the heat dissipation area, and are matched with the air outlet channels to accelerate the entry of cold air and the discharge of hot air, so that the heat dissipation effect is improved;

specifically, the hub 1 is close to the end face of the fan assembly 4, the mounting ring 6 is fixedly connected with the axial through hole 2 coaxially arranged, the mounting ring 6 is provided with external threads and detachably connected with the sealing cover 7, after the sealing cover 7 is mounted, air flow can only be discharged through the first air duct 102, and the sealing cover 7 has a function of protecting the structures of all assemblies inside.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a light aircraft wheel, includes wheel hub (1) of being connected with the back shaft rotation, its characterized in that: be equipped with on wheel hub (1) and run through its axial through-hole (2) along the axial, the one end of back shaft stretches into inside axial through-hole (2), coaxial transmission ring (3) rather than inner wall fixed connection that are equipped with in axial through-hole (2), the tip of back shaft rotates and is connected with and is located fan assembly (4) in axial through-hole (2), be equipped with on the back shaft with transmission ring (3) gear drive subassembly (5) that fan assembly (4) transmission is connected, transmission ring (3) are passed through gear drive subassembly (5) drive fan assembly (4) are rotatory.

2. A lightweight aircraft wheel according to claim 1, characterised in that: the transmission ring (3) is fixedly connected with a plurality of connecting rods (301) which are arranged along the radial direction of the transmission ring, and the connecting rods (301) are fixedly connected with the inner wall of the axial through hole (2).

3. A lightweight aircraft wheel according to claim 1 or 2, characterised in that: the gear transmission assembly (5) comprises a first bevel gear (501), a second bevel gear (502) and a third bevel gear (503), the first bevel gear (501) and the second bevel gear (502) are coaxially provided with through holes with diameters larger than those of the support shaft and coaxially sleeved on the support shaft, one side, close to the fan assembly (4), of the transmission ring (3) is fixedly connected with the first bevel gear (501), the fan assembly (4) comprises a cooling fan (401) and a transmission base (402), the transmission base (402) is rotatably connected with the end portion of the support shaft, a rotating shaft of the cooling fan (401) is fixedly connected with the transmission base (402) in a coaxial mode, one side, close to the transmission ring (3), of the transmission base (402) is fixedly connected with the second bevel gear (502), the third bevel gear (503) is rotatably connected with the support shaft and is located between the first bevel gear (501) and the second bevel gear (502), and two sides of the third bevel gear (503) are respectively meshed with the first bevel gear (501) and the second bevel gear (502).

4. A lightweight aircraft wheel according to claim 3 wherein: wheel hub (1) is close to be equipped with a plurality of first exhaust vents (101) on the terminal surface of fan subassembly (4) and be connected with first wind channel (102), be equipped with on the lateral wall of axial through hole (2) with second exhaust vent (103) of first wind channel (102) intercommunication, second exhaust vent (103) set up cooling fan (401) are kept away from one side of transmission ring (3).

5. A lightweight aircraft wheel according to claim 4, characterised in that: wheel hub (1) is close to be equipped with a plurality of first fresh air inlets (104) on the terminal surface of transmission ring (3) and be connected with second wind channel (105), be equipped with on the lateral wall of axial through hole (2) with second fresh air inlet (106) of second wind channel (105) intercommunication, second fresh air inlet (106) set up cooling fan (401) are close to one side of transmission ring (3).

6. A lightweight aircraft wheel according to claim 5 wherein: wheel hub (1) is close to fixedly connected with on the terminal surface of fan subassembly (4) with collar (6) of axial through hole (2) coaxial setting, be equipped with the external screw thread on collar (6) and can dismantle and be connected with closing cap (7).