Oil inlet assembly of aviation oil cooling motor

Abstract

The utility model belongs to the technical field of aviation motor design, and particularly relates to an aviation oil cooling motor oil inlet assembly. Comprising an oil inlet nozzle (1), a magnetic ring (2), a fastening nut (3), a bulb oil pipe (4), a mounting plate (5), a base seal (6) and an O-shaped sealing ring (7), an oil inlet of an aviation oil cooling motor commonly used in the current industry is in a straight-out type, the structure has the problems that the position of the oil inlet is fixed and the oil inlet cannot be flexibly adjusted, and once arrangement of oil pipes on a machine needs to be adjusted, the problem that the oil inlet pipes and an oil inlet nozzle are interfered possibly occurs. In order to solve the problems, the oil inlet assembly capable of flexibly rotating is provided, the assembly is simple in structure and convenient to install, the angle of an oil inlet nozzle can be flexibly adjusted according to the arrangement condition of oil inlet pipes on a machine, metal impurities in aviation lubricating oil can be filtered out, and an oil way in a generator is prevented from being blocked.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the aviation motor design technical field, concretely relates to an aviation oil cooling motor oil inlet subassembly. BACKGROUND

[0002] The aviation oil cooling generator usually uses the aviation oil provided by the engine as the medium for its own cooling and lubrication. Therefore, the oil needs to be sent to the inside of the generator through the oil guide pipe when the generator is working, and the oil guide pipe is generally connected to the oil inlet provided on the shell of the generator. The oil inlet commonly used in the industry at present is straight, that is, the oil inlet is kept upright and cannot be rotated, and then the relevant connection is made to the oil inlet. This form of oil inlet structure is simple, but has the problems of fixed position of the oil inlet and inability to adjust flexibly. Once the oil pipe arrangement on the machine needs to be adjusted, the problem of interference between the oil inlet pipe and the oil inlet nozzle may occur. In view of the above problems, the utility model provides an oil inlet subassembly that can rotate flexibly. The subassembly is simple in structure, easy to install, can flexibly adjust the angle of the oil inlet nozzle according to the oil pipe arrangement on the machine, and can filter the metal impurities in the aviation oil to prevent the oil passage inside the generator from being blocked. SUMMARY

[0003] The utility model discloses the purpose of: for solving the prior art problem, the utility model provides an oil inlet subassembly that can rotate flexibly. The subassembly is simple in structure, easy to install, can adjust the oil inlet nozzle according to the oil pipe arrangement on the machine, and can filter the metal impurities in the aviation oil to prevent the oil passage inside the generator from being blocked.

[0004] In order to achieve the above-mentioned purpose, the utility model discloses the following technical scheme: an aviation oil cooling generator oil inlet subassembly, including oil inlet nozzle 1, magnetic ring 2, fastening nut 3, ball head oil pipe 4, installation plate 5, base seal 6, O type seal ring 7, the upper inside of oil inlet nozzle 1 is inlaid with magnetic ring 2, and the lower part is connected with ball head oil pipe 4 through fastening nut 3, ball head oil pipe 4 bottom is provided with installation groove, and installation plate 5 is installed symmetrically left and right, is embedded in installation groove, and base seal 6 is installed at the lower end of installation plate 5, and O type seal ring 7 is installed in the annular groove at the end of ball head oil pipe 4.

[0005] The outer side below oil inlet nozzle 1 is provided with a thread, which is screwed with fastening nut 3.

[0006] The inner side below oil inlet nozzle 1 is provided with a spherical cavity, and the ball head of ball head oil pipe 4 is installed in the spherical cavity.

[0007] The shape of base seal 6 is consistent with the shape of installation plate 5 after being installed symmetrically left and right.

[0008] The magnetic ring 2 is pressed into the oil inlet nozzle 1, and the two are in close fit.

[0009] The thickness of the magnetic ring 2 is one third of the height of the oil inlet nozzle 1.

[0010] The material of the base seal 6 and the O-shaped seal ring 7 is fluorine rubber.

[0011] The oil inlet assembly has the advantages and beneficial effects that the oil inlet assembly can be flexibly rotated, the structure is simple, the installation is convenient, the angle of the oil inlet nozzle can be flexibly adjusted according to the arrangement of the oil inlet pipe on the machine, the metal impurities in the aviation oil can be filtered, the oil passage in the generator is prevented from being blocked, the oil inlet assembly has multiple seals, the sealing performance at the oil inlet nozzle is further enhanced, the aviation oil is prevented from leaking, and the oil inlet assembly has good practical value. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a cross-sectional schematic view of the utility model.

[0013] Figure 2 is a structural schematic view of the utility model.

[0014] 1-oil inlet nozzle, 2-magnetic ring, 3-fastening nut, 4-ball head oil pipe, 5-mounting plate, 6-base seal, 7-O-shaped seal ring. DETAILED DESCRIPTION

[0015] The application will be further described below in combination with the drawings.

[0016] An aviation oil-cooled generator oil inlet assembly, which comprises an oil inlet nozzle 1, a magnetic ring 2, a fastening nut 3, a ball head oil pipe 4, a mounting plate 5, a base seal 6 and an O-shaped seal ring 7.

[0017] The thickness of the magnetic ring 2 is one third of the height of the oil inlet nozzle 1, and the magnetic ring 2 is press-fitted in the oil inlet nozzle 1 and tightly fitted with the oil inlet nozzle 1.

[0018] A threaded hole is arranged on the outer side of the lower part of the oil inlet nozzle 1 and is in threaded connection with the fastening nut 3.

[0019] A spherical cavity is arranged on the inner side of the lower part of the oil inlet nozzle 1, and the ball head of the ball head oil pipe 4 is arranged in the spherical cavity.

[0020] The end of the ball head oil pipe 4 is provided with a groove for mounting the O-shaped seal ring 7.

[0021] The shape of the base seal 6 is consistent with the shape of the mounting plate 5 after the mounting plate 5 is symmetrically mounted.

[0022] The base seal 6 and the O-ring 7 are made of fluorine rubber, which can further enhance the sealing performance of the oil inlet assembly.

[0023] The method for using the oil inlet assembly of the aviation oil-cooled generator is further described below in combination with the drawings. The oil inlet assembly is installed on the oil inlet of the aviation oil-cooled generator shell by using screws, and then the oil inlet pipe is sleeved on the oil inlet nozzle 1 of the oil inlet assembly. When the angle of the oil inlet nozzle 1 needs to be adjusted, the fastening nut 3 is first loosened, at this time the oil inlet nozzle 1 and the ball head oil pipe 4 become loose connection, the oil inlet nozzle 1 can rotate on the ball head of the ball head oil pipe 4 at this time, the structure is similar to the joint bearing, when the oil inlet nozzle is adjusted to the appropriate angle, the fastening nut 3 is tightened, at this time the oil inlet nozzle 1 and the ball head oil pipe 4 become tight connection, the oil inlet nozzle 1 remains fixed, and the angle adjustment of the oil inlet nozzle is realized.

[0024] The magnetic ring 2 is interference-fitted in the upper part of the oil inlet nozzle 1. The magnetic ring 2 and the oil inlet nozzle 1 are in tight fit. When the metal impurities in the aviation oil flow through the magnetic ring 2, they will be adsorbed on the magnetic ring 2. The height of the magnetic ring 2 is one third of the height of the oil inlet nozzle 1. The magnetic ring 2 can ensure the cleanliness of the oil flowing into the generator oil circuit, and by measuring the metal debris adsorbed by the magnetic ring 2, the in-cylinder wear of the aviation engine can be monitored.

Claims

1. An oil inlet assembly for an oil-cooled electric machine of an aircraft, characterized in that, It includes oil inlet nozzle (1), magnetic ring (2), fastening nut (3), ball head oil pipe (4), mounting plate (5), base seal (6), O-shaped sealing ring (7); the upper inside of the oil inlet nozzle (1) is inlaid with the magnetic ring (2), the lower part is connected with the ball head oil pipe (4) through the fastening nut (3), the bottom of the ball head oil pipe (4) is provided with a mounting groove, the mounting plate (5) is symmetrically installed and embedded in the mounting groove, the base seal (6) is installed at the lower end of the mounting plate (5), and the O-shaped sealing ring (7) is installed in the annular groove arranged at the end of the ball head oil pipe (4).

2. An oil inlet assembly for an oil-cooled aircraft electric machine according to claim 1, wherein, The outer side below the oil inlet nozzle (1) is provided with threads and is screwed with the fastening nut (3).

3. An oil inlet assembly for an oil-cooled aircraft electric motor according to claim 1, wherein, The inner side below the oil inlet nozzle (1) is provided with a spherical cavity, and the ball head of the ball head oil pipe (4) is installed in the spherical cavity.

4. An oil inlet assembly for an oil-cooled aircraft electric motor according to claim 1, wherein, The shape of the base seal (6) is consistent with the shape of the mounting plate (5) after being symmetrically installed.

5. An oil inlet assembly for an oil-cooled aircraft electric motor according to claim 1, wherein, The magnetic ring (2) is press-fitted in the oil inlet nozzle (1), and the two are in close fit.

6. An oil inlet assembly for an oil-cooled aircraft electric motor according to claim 1, wherein, The thickness of the magnetic ring (2) is one third of the height of the oil inlet nozzle (1).

7. An oil inlet assembly for an oil-cooled aircraft electric motor according to claim 1, wherein The materials of the base seal (6) and the O-shaped sealing ring (7) are fluorine rubber.

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