CN218760565U

CN218760565U - Structure capable of recycling lubricating oil and cooling fan

Info

Publication number: CN218760565U
Application number: CN202222982932.3U
Authority: CN
Inventors: 林浩民
Original assignee: Suzhou Jinmada Motor Co ltd
Current assignee: Suzhou Jinmada Motor Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-28
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses a structure and radiator fan of recoverable lubricating oil, this structure of recoverable lubricating oil include casing and flabellum. The casing has the installation pipe, and the installation outside of tubes wall is equipped with the stator. The flabellum has the installation department, and the installation department is connected with the one end of a pivot, and in the installation pipe was located to the pivot, the installation department was equipped with the bellying along axial extension, and the bellying extends to a terminal surface department of stator, forms the oil groove between bellying and the pivot. Lubricating oil is arranged on the structure capable of recycling lubricating oil and the rotating shaft of the cooling fan, the lubricating oil can be thrown out from the end face of the stator along with the rotation of the rotating shaft, the lubricating oil which is thrown out can be collected by the oil groove, and the lubricating oil can fall back into the rotating shaft and the mounting pipe after accumulating a certain amount of lubricating oil or when the rotating shaft stops rotating, so that the lubricating oil can be recycled, and the service life of the rotating shaft is prolonged. Specifically, the installation intraductal bearing that is equipped with, in the bearing was located to the pivot, cyclic utilization's lubricating oil had improved the life of bearing greatly.

Description

Structure capable of recycling lubricating oil and cooling fan

Technical Field

The utility model relates to a radiator fan field especially relates to a structure and radiator fan of recoverable lubricating oil.

Background

With the rapid development of the intelligent household appliance industry, the heat dissipation problem derived from the high speed, the multi-functionalization and the miniaturization of the CPU is more and more serious, if the heat is not effectively dissipated in time, the working performance of the electronic component is greatly affected, and meanwhile, the service life of the electronic component is also shortened. Therefore, in the industry, a heat sink is usually attached to the heat-generating electronic component and a heat-dissipating fan is used to blow air to the heat sink to generate a forced airflow for accelerating heat dissipation, or the heat-dissipating fan is directly used to perform air-cooling heat dissipation on the heat-generating electronic component.

Traditional radiator fan, epaxial lubricating oil of pivot can be thrown away to other corners of casing from the one end of installation pipe along with the rotation of pivot, causes the pollution of other parts, and the intraductal lubricating oil of installation reduces the back gradually moreover, and the frictional force of pivot and bearing can be bigger and bigger to the influence life of pivot and bearing greatly.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure of recoverable lubricating oil, it can effectively alleviate the bearing life short problem that reveals that causes of fluid.

In order to achieve the above object, the present invention provides a structure capable of recovering lubricating oil, which comprises a housing and fan blades. The casing has the installation pipe, installation intraductal outer wall is equipped with the stator. The flabellum has the installation department, the installation department is connected with the one end of a pivot, the pivot is located in the installation pipe, the installation department is equipped with the bellying along axial extension, the bellying extends to a terminal surface department of stator, the bellying with form the oil groove between the pivot.

In one or more embodiments, a bearing is disposed in the mounting tube, and the rotating shaft is disposed in the bearing.

In one or more embodiments, a surface of the boss corresponding to the stator is an arc surface, and the arc surface is located on the inner side of the mounting tube in the axial direction.

In one or more embodiments, the distance of the gap between the boss and the end face of the mounting tube is 2-3mm.

In one or more embodiments, the stator is an interference fit with the mounting tube outer wall.

In one or more embodiments, the bearing is an interference fit with the mounting tube inner wall.

In one or more embodiments, a magnet ring is disposed on the fan blade, and the magnet ring is located on the outer periphery of the stator.

In one or more embodiments, a buckle is arranged at one end of the rotating shaft far away from the mounting part to limit the axial movement of the rotating shaft.

In one or more embodiments, a PCB board is disposed on a side of the stator away from the mounting portion.

The utility model also provides a radiator fan, its structure including recoverable lubricating oil as above.

Compared with the prior art, according to the utility model discloses a recoverable lubricating oil's structure has following advantage:

one end through at the installation department sets up the bellying for this bellying forms the oil groove with the pivot, and the lubricating oil thrown away by the pivot can be sheltered from by the oil groove, then falls back to in the installation pipe, realizes the circulated recycle of lubricating oil, thereby has improved radiator fan's bearing's life greatly.

Drawings

FIG. 1 is a cross-sectional view of a structure for recovering lubricating oil according to an embodiment of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1 of a recyclable lubricating oil according to an embodiment of the present invention.

Description of the main reference numerals:

1. a housing; 2. installing a pipe; 3. a bearing; 4. a fan blade; 5. an installation part; 6. a boss portion; 7. an oil sump; 8. a rotating shaft; 9. a stator; 10. buckling; 11. and (7) a PCB board.

Detailed Description

The following detailed description of the present invention is provided with reference to the accompanying drawings, but it should be understood that the scope of the invention is not limited by the detailed description.

Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations such as "comprises" or "comprising", etc., will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

As shown in fig. 1 to 2, a structure for recovering lubricant according to an embodiment of the present invention includes a housing 1 and a fan blade 4. The shell 1 is provided with a mounting tube 2, and the outer wall of the mounting tube 2 is provided with a stator 9. Flabellum 4 has installation department 5, and installation department 5 is connected with a pivot 8's one end, and in installation pipe 2 was located to pivot 8, installation department 5 was equipped with bellying 6 along axial extension, and bellying 6 extends to a terminal surface department of stator 9, forms oil groove 7 between bellying 6 and the pivot 8.

Specifically, the rotating shaft 8 is provided with lubricating oil, the lubricating oil can be thrown out from the end face of the stator 9 along with the rotation of the rotating shaft 8, the oil groove 7 can collect the thrown lubricating oil, and the lubricating oil can fall back into the rotating shaft 8 and the mounting pipe 2 after accumulating a certain amount of lubricating oil or when the rotating shaft 8 stops rotating, so that the lubricating oil can be recycled, and the service life of the rotating shaft 8 is prolonged. Specifically, be equipped with bearing 3 in the installation pipe 2, in bearing 3 was located to pivot 8, cyclic utilization's lubricating oil had improved bearing 3's life greatly.

In an embodiment, a surface of the protruding portion 6 corresponding to the stator 9 is an arc surface, and the arc surface is located on the inner side of the mounting tube 2 in the axial direction, and the arc surface is favorable for the backflow of the lubricating oil to form liquid, so that the lubricating oil can fall back to the mounting tube 2 conveniently. The clearance distance between the bulge part 6 and one end surface of the mounting pipe 2 is 2-3mm, so that the lubricating oil is prevented from being thrown out from the clearance between the bulge part 6 and the mounting pipe 2, and the leakage of the lubricating oil is reduced.

Specifically, be equipped with the magnet ring on the flabellum, the magnet ring is located the periphery of stator 9,

stator

9 and 2 outer wall interference fit of installation pipe, bearing 3 and 2 inner wall interference fit of installation pipe. Through the magnetic action between the magnet ring and the stator 9, the rotating shaft 8 rotates in the bearing 3, so as to drive the fan blades 4 to rotate.

In one embodiment, a snap 10 is provided at an end of the shaft 8 remote from the mounting portion 5 to limit axial movement of the shaft 8. Specifically, a clamping groove is formed in the rotating shaft 8, and the buckle 10 is clamped with the clamping groove and the buckle 10 is in butt joint with the bearing in the axial direction. In one embodiment, the side of the stator 9 remote from the mounting portion 5 is provided with a PCB board 11, and the PCB board 11 is used for controlling the operation of the fan blades.

one end through at the installation department sets up bellying 6 for this bellying 6 forms oil groove 7 with pivot 8, makes the lubricating oil that is thrown away by pivot 8 can be sheltered from by oil groove 7, then fall back to in the installation pipe 2, but realize the cyclic recycle of lubricating oil, thereby improved radiator fan's bearing 3's life greatly.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to be exhaustive or to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. A structure for recovering lubricating oil, comprising:

the motor comprises a shell, a stator and a motor, wherein the shell is provided with a mounting pipe, and the outer wall of the mounting pipe is provided with the stator; and

the flabellum has the installation department, the installation department is connected with the one end of a pivot, the pivot is located in the installation pipe, the installation department is equipped with the bellying along axial extension, the bellying extends to a terminal surface department of stator, the bellying with form the oil groove between the pivot.

2. The structure for recovering lubricating oil of claim 1, wherein a bearing is provided in the mounting tube, and the rotating shaft is provided in the bearing.

3. The structure for recovering lubricating oil according to claim 1, wherein a surface of the boss corresponding to the stator is an arc-shaped surface which is located axially inside the mounting tube.

4. The structure for recovering lubricating oil according to claim 1, wherein the clearance distance between the projecting portion and the one end surface of the mounting pipe is 2 to 3mm.

5. The recoverable lubricant structure of claim 1, wherein the stator is an interference fit with the outer wall of the mounting tube.

6. The recoverable lubricant structure of claim 2, wherein said bearing has an interference fit with said inner wall of said mounting tube.

7. The structure for recovering lubricating oil of claim 1, wherein the fan blades are provided with a magnet ring, and the magnet ring is located on the outer periphery of the stator.

8. The structure for recovering lubricating oil of claim 1, wherein the end of the rotating shaft away from the mounting portion is provided with a catch to limit axial movement of the rotating shaft.

9. The structure of claim 1, wherein a PCB board is disposed on a side of the stator away from the mounting portion.

10. A heat dissipating fan comprising the structure capable of recovering lubricant according to any one of claims 1 to 9.