CN219654920U

CN219654920U - Long-life fan

Info

Publication number: CN219654920U
Application number: CN202320349053.9U
Authority: CN
Inventors: 陈立娟
Original assignee: Xinhe Precision Electronics Dongguan Co ltd
Current assignee: Xinhe Precision Electronics Dongguan Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-09-08
Anticipated expiration: 2033-02-27

Abstract

The utility model discloses a long-life fan, which relates to the technical field of fans and comprises fan blades, a rotating shaft, a motor line group, a magnet, a shaft sleeve and a base frame, wherein the shaft sleeve is fixed on the base frame, a bearing matched with the rotating shaft is arranged in the shaft sleeve, the motor line group is sleeved on the shaft sleeve, the magnet is fixed on the fan blades and corresponds to the motor line group, one end of the shaft sleeve is closed, the other end of the shaft sleeve is opened, the bearing is arranged in the shaft sleeve from the opening end of the shaft sleeve, an oil storage tank, an oil inlet tank and a lubricating tank are formed on the bearing, the lubricating tank is communicated with the oil storage tank, and when the fan is used, lubricating oil in the oil storage tank and the lubricating tank can continuously flow to the rotating shaft through the oil inlet tank to continuously lubricate the rotating shaft, so that friction between the bearing and the rotating shaft is reduced, the design of the oil storage tank ensures that the lubricating time is longer, the bearing and the rotating shaft are not easy to wear, the fan applying the fan is durable, and the service life is longer while friction noise is reduced.

Description

Long-life fan

Technical Field

The utility model relates to the technical field of fans, in particular to a long-service-life fan.

Background

The fan is a tool for radiating and taking cool when the temperature is higher, and more electric fans are currently used. The electric fan is a device for generating air flow by electric drive, and after the inner fan is electrified, the inner fan rotates, and the mechanical energy is converted into wind energy, so that the surrounding air flows, heat is taken away, and the effects of cooling and coolness are achieved.

As fans are used more and more widely, people have an increasing demand for life and abnormal sounds of fans. Lubricating oil is one of the main factors for improving service life and reducing abnormal noise, and it is important whether the lubricating oil can lubricate the bearings of the fan for a long period of time.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the long-life fan comprises fan blades, a rotating shaft, a motor line group, a magnet, a shaft sleeve and a base frame, wherein the shaft sleeve is fixed on the base frame, a bearing matched with the rotating shaft is arranged in the shaft sleeve, the motor line group is sleeved on the shaft sleeve, the magnet is fixed on the fan blades and corresponds to the motor line group, one end of the rotating shaft is connected with the fan blades, and the other end of the rotating shaft penetrates into the bearing to be matched with the bearing; one end of the shaft sleeve is closed, the other end of the shaft sleeve is opened, and the bearing is arranged in the shaft sleeve from the opening end of the shaft sleeve; the bearing is provided with an oil storage tank, the end face of the bearing corresponding to the closed end of the shaft sleeve is provided with at least one oil inlet tank, the oil inlet tank is communicated with the oil storage tank, the outer side face of the bearing is provided with at least one lubrication tank, and the lubrication tank is communicated with the oil storage tank.

As a further scheme of the utility model: the oil storage tank is annular setting, and the lubrication groove is equipped with a plurality ofly, and a plurality of lubrication grooves are annular setting on the lateral surface of bearing.

As a further scheme of the utility model: the oil inlet grooves are arranged in a plurality of ways, and the oil inlet grooves are annularly arranged on the end face of the bearing.

As a further scheme of the utility model: the communication port of the oil storage tank for communicating with the oil inlet tank is staggered with the communication port of the oil storage tank for communicating with the lubricating tank.

As a further scheme of the utility model: the oil inlet groove is provided with an opening facing the axial center line of the bearing.

As a further scheme of the utility model: the length direction of the lubrication groove is consistent with the length direction of the bearing.

Compared with the prior art, the utility model has the following beneficial effects: when the lubricating device is used, lubricating oil in the oil storage tank and the lubricating tank can continuously flow to the rotating shaft through the oil inlet tank so as to continuously lubricate the rotating shaft, and further friction between the bearing and the rotating shaft is reduced; the design of oil storage tank makes lubrication time longer, and bearing and pivot are difficult for wearing and tearing for use its fan more durable, when reducing friction noise, life is longer.

Drawings

FIG. 1 is a schematic cross-sectional view of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of a partial structure at A in FIG. 1;

FIG. 3 is a schematic view of the structure of the bearing of the present utility model;

reference numerals and names in the drawings are as follows:

the motor comprises a fan blade (1), a rotating shaft (2), a motor wire group (3), a magnet (4), a shaft sleeve (5), a base frame (6), a bearing (7), an oil storage tank (8), an oil inlet tank (9), a lubrication tank (10) and a retaining ring (11).

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a long life fan includes a fan blade 1, a rotating shaft 2, a motor wire set 3, a magnet 4, a shaft sleeve 5 and a base frame 6, wherein the shaft sleeve 5 is fixed on the base frame 6, a bearing 7 adapted to the rotating shaft 2 is arranged in the shaft sleeve 5, the motor wire set 3 is sleeved on the shaft sleeve 5, the magnet 4 is fixed on the fan blade 1 and corresponds to the motor wire set 3, one end of the rotating shaft 2 is connected with the fan blade 1, and the other end of the rotating shaft 2 penetrates into the bearing 7 to be matched with the bearing 7.

One end of the shaft sleeve 5 is arranged in a closed way, the other end of the shaft sleeve 5 is arranged in an open way, and the bearing 7 is arranged in the shaft sleeve 5 from the open end of the shaft sleeve 5. An oil storage groove 8 is formed on the bearing 7, at least one oil inlet groove 9 is formed on the end face of the bearing 7 corresponding to the closed end of the shaft sleeve 5, the oil inlet groove 9 is communicated with the oil storage groove 8, at least one lubrication groove 10 is formed on the outer side face of the bearing 7, and the lubrication groove 10 is communicated with the oil storage groove 8.

When the lubricating oil needs to be filled: firstly, a bearing 7 is arranged in the shaft sleeve 5 from the opening end of the shaft sleeve 5, at the moment, the oil inlet groove 9 is opposite to the closing end of the shaft sleeve 5, and the lubrication groove 10 is opposite to the inner wall of the shaft sleeve 5; lubricating oil is then injected inside the bearing 7; after the injection of the lubricating oil is completed, the rotating shaft 2 is penetrated into the bearing 7, and the lubricating oil in the bearing 7 is pushed to the closed end direction of the shaft sleeve 5 by the rotating shaft 2; after the lubricating oil reaches the closed end of the shaft sleeve 5, the rotating shaft 2 continues to penetrate into the bearing 7, and at this time, the lubricating oil is pushed to the oil storage tank 8 through the oil inlet groove 9 and stored in the oil storage tank 8.

When the lubricating oil is sufficient, the excessive lubricating oil can reach the lubricating groove 10 through the oil storage groove 8 under the pushing of the rotating shaft 2, and is stored in the lubricating groove 10.

As shown in fig. 1-2, in use, the lubricating oil in the oil storage tank 8 and the lubricating tank 10 can continuously flow to the rotating shaft 2 through the oil inlet tank 9, so as to continuously lubricate the rotating shaft 2, and further reduce friction between the bearing 7 and the rotating shaft 2. The design of oil storage tank 8 makes lubrication time longer, and bearing 7 and pivot 2 are difficult for wearing and tearing for use its fan is more durable, when reducing friction noise, life is longer.

Preferably, the bearing 7 is a powder metallurgy bearing 7, and the powder metallurgy bearing 7 is formed by powder pressing, sintering, shaping and oil immersing of metal powder and other antifriction materials. The bearing 7 has a porous structure, after being immersed in hot oil, lubricating oil is filled between the pores, when the bearing is in operation, the metal and the oil are heated and expanded due to the suction effect and friction heating of the rotation of the journal, the oil is extruded out of the pores, the friction surface plays a role in lubrication, and after the bearing 7 is cooled, the oil is sucked back into the pores. The bearing 7 can be used for a longer period without adding lubricating oil, and has longer service life.

Referring to fig. 3 specifically, the lubrication grooves 10 are connected to two ends of the bearing 7, and when the rotating shaft 2 penetrates into the bearing 7, the gas in the bearing 7 can be discharged through the lubrication grooves. The lubrication grooves 10 are provided in plurality, and the lubrication grooves 10 are annularly arranged on the outer side surface of the bearing 7, so that the exhaust is faster while the oil storage capacity is improved.

Referring to fig. 3 specifically, the oil inlet grooves 9 are provided with a plurality of oil inlet grooves 9, the plurality of oil inlet grooves 9 are annularly arranged on the end face of the bearing 7, and the lubricating oil can reach the oil storage groove 8 from the inner side of the bearing 7 more quickly, so that the oiling process is faster.

Further, the communication port of the oil storage tank 8 for communicating the oil inlet tank 9 and the communication port of the oil storage tank 8 for communicating the lubrication tank 10 are staggered. After being pushed into the oil reservoir 8 from the oil inlet tank 9, the lubricating oil is forced to flow to the side of the oil reservoir 8 and enters the lubricating tank 10 when flowing to correspond to the lubricating tank 10. When the lubricating oil enters the lubricating groove 10, the oil reservoir 8 is already in a full state. In the state of ensuring that the oil storage tank 8 is full, the lubricating oil is not easy to overflow from the opening end of the shaft sleeve 5. If the two communicating ports are not staggered, the lubricating oil can directly reach the lubricating groove 10 along the same straight line after entering the oil storage groove 8 from the oil inlet groove 9, then reach the open end of the shaft sleeve 5, and overflow from the open end of the shaft sleeve 5 under the continuous pushing of the rotating shaft 2, and the time required for the oil storage groove 8 to reach the full storage state is longer.

The arrow lines in fig. 3 show the direction of flow of the lubricating oil on the bearings 7 when the oil is injected.

In the embodiment of the utility model, the motor coil is provided with the retaining ring 11 corresponding to the opening end of the bearing 7, one end of the rotating shaft 2 connected with the fan is correspondingly matched with the inner side of the retaining ring 11, and the retaining ring 11 is used for preventing the bearing 7 and the rotating shaft 2 from being separated from the shaft sleeve 5 after the installation is completed, so that the motor is safer. The retaining ring 11 also serves to prevent lubricant from being thrown out of the sleeve 5 when the fan is rotating too fast.

In the embodiment of the utility model, the oil inlet groove 9 is provided with an opening facing the axial center line of the bearing 7. The distance that lubricating oil reaches the oil storage tank through the oil inlet tank is shorter, and the oiling is faster.

In the embodiment of the utility model, the length direction of the lubrication groove 10 is consistent with the length direction of the bearing 7, the integral rigidity is good, and the lubrication oil flows back quickly.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. A long life fan characterized by: the motor wire group is sleeved on the shaft sleeve, the magnet is fixed on the fan blade and corresponds to the motor wire group, one end of the rotating shaft is connected with the fan blade, and the other end of the rotating shaft penetrates into the bearing to be matched with the bearing;

one end of the shaft sleeve is closed, the other end of the shaft sleeve is opened, and the bearing is arranged in the shaft sleeve from the opening end of the shaft sleeve;

the bearing is provided with an oil storage tank, the end face of the bearing corresponding to the closed end of the shaft sleeve is provided with at least one oil inlet tank, the oil inlet tank is communicated with the oil storage tank, the outer side face of the bearing is provided with at least one lubrication tank, and the lubrication tank is communicated with the oil storage tank.

2. The long life fan of claim 1 wherein: the oil storage tank is annular setting, and the lubrication groove is equipped with a plurality ofly, and a plurality of lubrication grooves are annular setting on the lateral surface of bearing.

3. A long life fan according to claim 2, wherein: the oil inlet grooves are arranged in a plurality of ways, and the oil inlet grooves are annularly arranged on the end face of the bearing.

4. A long life fan according to claim 3, wherein: the communication port of the oil storage tank for communicating with the oil inlet tank is staggered with the communication port of the oil storage tank for communicating with the lubricating tank.

5. A long life fan according to any of claims 1-4 wherein: the motor coil is provided with a retaining ring corresponding to the opening end of the bearing, and one end, connected with the fan, of the rotating shaft is correspondingly matched with the inner side of the retaining ring.

6. A long life fan according to any of claims 1-4 wherein: the oil inlet groove is provided with an opening facing the axial center line of the bearing.

7. A long life fan according to any of claims 1-4 wherein: the length direction of the lubrication groove is consistent with the length direction of the bearing.

8. The long life fan of claim 1 wherein: the bearing adopts a powder metallurgy bearing.