CN212985793U

CN212985793U - High-temperature-resistant household fan bearing

Info

Publication number: CN212985793U
Application number: CN202021335542.1U
Authority: CN
Inventors: 陈达跃; 严烈平; 岑伟; 严烈忠
Original assignee: Ningbo Mosheng Bearing Co ltd
Current assignee: Ningbo Mosheng Bearing Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-04-16
Anticipated expiration: 2030-07-09

Abstract

The utility model belongs to the technical field of the bearing, specifically be a high temperature resistant domestic fan bearing, including bearing inner race, steel ball, holder, bearing inner race suit is in the outside of bearing inner race, be equipped with the arrangement on bearing inner race's opposition global the guide rail groove of steel ball, the holder suit is on the steel ball, bearing inner race's inside runs through and has encircleed a plurality of heat dissipation through-holes that set up, bearing inner race's inside is equipped with well cavity, the cavity intussuseption is filled with coolant, the coolant feed inlet has been seted up at bearing inner race's top, and this high temperature resistant domestic fan bearing has increased stable heat radiation structure through changing bearing inner race and bearing inner race, strengthens radiating efficiency to promote stability and the life that the bearing used.

Description

High-temperature-resistant household fan bearing

Technical Field

The utility model belongs to the technical field of the bearing, especially, relate to a high temperature resistant domestic fan bearing.

Background

The bearing is a part for fixing and reducing the friction coefficient of load in the process of mechanical transmission, namely, a part for reducing the friction coefficient in the process of power transmission and keeping the center position of a shaft fixed when other parts move relative to each other on the shaft, and the bearing is a light-weight part in the modern mechanical equipment and mainly has the function of supporting a mechanical rotating body to reduce the friction coefficient of mechanical load in the process of transmission.

The existing bearing has low temperature in the use environment, is not suitable for high-temperature environment operation, and the steel ball can cause certain damage to the bearing in the friction operation and generate larger heat, thereby influencing the performance and the service life of the bearing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current bearing service environment temperature lower to be not applicable to the high temperature environment operation to the steel ball can lead to the fact certain damage to the bearing in the friction function, and produce great heat, thereby influence bearing performance and life's problem, and the domestic fan bearing of a high temperature resistant that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high temperature resistant domestic fan bearing, includes bearing inner race, steel ball, holder, bearing inner race suit is in the outside of bearing inner race, be equipped with the arrangement on bearing inner race and bearing inner race's the opposition global the guide rail groove of steel ball, the holder suit is on the steel ball, bearing inner race's inside is run through and is had a plurality of heat dissipation through-holes that encircle the setting, bearing inner race's inside is equipped with well cavity, the cavity intussuseption is filled with coolant, the coolant feed inlet has been seted up at bearing inner race's top.

Preferably, a sealing plug is arranged in the cooling medium feed opening.

Preferably, the number of the steel balls is multiple, and the multiple steel balls are uniformly arranged between the bearing outer ring and the bearing inner ring.

Preferably, the inner surface of the bearing outer ring, the outer surface of the bearing inner ring and the retainer are coated with high-temperature-resistant grease.

Preferably, the guide rail grooves on two sides of the circumferential surface of the bearing outer ring opposite to the bearing inner ring are respectively provided with a sealing cover.

Preferably, the hollow cavity is of an annular structure.

Has the advantages that:

1. the utility model discloses in, scribble high temperature resistant grease through bearing inner race internal surface, bearing inner race surface, holder and play the self-lubricating effect, reduced frictional force and the heat that reduces inside production, can improve pivoted flexibility and load bearing capacity greatly, bearing inner race and bearing inner race can not sting under the high temperature condition, can also long-time continuous operation, the life of extension bearing, and stability is good.

2. The utility model discloses in, sealed lid that is equipped with on global through the opposition of bearing inner race and bearing inner race can play dirt-proof effect to the guide rail inslot, produces more heat through the bearing when using simultaneously, heat conduction to bearing inner race and bearing inner race, because set up penetrating heat dissipation through-hole on the bearing inner race, make things convenient for the air to flow, the heat on the bearing inner race can be taken away in the air flow, the heat dissipation through-hole has increased the heat transfer area with the air to the radiating effect has been promoted.

3. The utility model discloses in, through the cavity in the inside coolant who offers of bearing inner circle, pour into coolant into it for the both sides of bearing inner circle all produce the cold effect of oil, thereby strengthened the radiating effect, promoted the heat dissipation of bearing inner circle.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a high temperature resistant household fan bearing;

fig. 2 is a schematic structural view of a high temperature resistant household fan bearing.

In the figure: 1-bearing outer ring, 2-bearing inner ring, 3-steel ball, 4-retainer, 5-heat dissipation through hole, 6-hollow cavity, 7-cooling medium feed inlet, and 8-sealing cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-2, a high temperature resistant household fan bearing, comprising a bearing outer ring 1, a bearing inner ring 2, a steel ball 3, and a retainer 4, wherein the bearing outer ring 1 is sleeved outside the bearing inner ring 2, a guide rail groove for accommodating the steel ball 3 is arranged on the circumferential surface of the bearing outer ring 1 opposite to the bearing inner ring 2, the retainer 4 is sleeved on the steel ball 3, a plurality of heat dissipation through holes 5 are arranged around the bearing outer ring 1, so as to facilitate air flow, the air flow can take away heat on the bearing outer ring 1, the heat dissipation through holes 5 increase heat exchange area with air, thereby improving heat dissipation effect, a hollow cavity 6 is arranged inside the bearing inner ring 2, a cooling medium is filled in the hollow cavity 6, a cooling medium feed inlet 7 is arranged at the top of the bearing inner ring 2, the cooling medium is injected into the hollow cavity, so that both sides of the bearing inner ring 2 can generate oil cooling, the heat dissipation of the bearing inner ring 2 is improved.

In this embodiment, a sealing plug is provided in the cooling medium feed port 7 to seal the cooling medium feed port 7.

In this embodiment, the number of the steel balls 3 is plural, and the plural steel balls 3 are uniformly arranged between the bearing outer ring 1 and the bearing inner ring 2.

In this embodiment, all scribble high temperature resistant grease on 1 internal surface of bearing inner race, 2 external surfaces of bearing inner race, the holder 4, play the self-lubricating effect, reduced frictional force and reduced the inside heat that produces, can improve pivoted flexibility and load bearing capacity greatly, bearing inner race 2 and bearing inner race 1 can not be stung under the high temperature condition, can also long-time continuous operation, prolong the life of bearing, stability is good.

In this embodiment, the sealing covers 8 are disposed in the guide rail grooves on two sides of the circumferential surface of the bearing outer ring 1 opposite to the bearing inner ring 2, so as to prevent dust in the guide rail grooves.

In this embodiment, the hollow cavity 6 is a ring structure.

The working principle is as follows: when the bearing outer ring 1 and the bearing inner ring 2 rotate relatively, the steel ball 3 rolls between the bearing inner ring 2 and the bearing outer ring 1, meanwhile, the inner surface of the bearing outer ring 1, the outer surface of the bearing inner ring 2 and the retainer 4 are coated with high-temperature resistant grease to play a self-lubricating role, so that the friction force is reduced, the heat generated inside is reduced, the rotating flexibility and the load bearing capacity can be greatly improved, the bearing inner ring 2 and the bearing outer ring 1 cannot be seized under the high-temperature condition and can also continuously operate for a long time, the service life of the bearing is prolonged, the stability is good, meanwhile, the sealing cover 8 arranged on the opposite peripheral surfaces of the bearing outer ring 1 and the bearing inner ring 2 can play a dustproof role in a guide rail groove, meanwhile, more heat is generated by the bearing when the bearing is used, the heat is conducted to the bearing outer ring 1 and the bearing inner, make things convenient for the air to flow, the air flow can take away the heat on the bearing inner race 1, heat dissipation through-hole 5 has increased the heat transfer area with the air to promoted the radiating effect, simultaneously through the cavity 6 in the coolant that bearing inner race 2 is inside to be seted up, pour into coolant into it into, make the both sides of bearing inner race 2 all produce the effect of oil cooling, thereby strengthened the radiating effect, promoted the heat dissipation of bearing inner race 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high temperature resistant domestic fan bearing, includes bearing inner race (1), bearing inner race (2), steel ball (3), holder (4), bearing inner race (1) suit is in the outside of bearing inner race (2), be equipped with on bearing inner race (1) and the opposition of bearing inner race (2) global settle the guide rail groove of steel ball (3), holder (4) suit is on steel ball (3), the inside of bearing inner race (1) is run through and is had a plurality of heat dissipation through-holes (5) around setting up, the inside of bearing inner race (2) is equipped with well cavity (6), well cavity (6) intussuseption is filled with coolant, coolant feed inlet (7) have been seted up at the top of bearing inner race (2).

2. The high temperature resistant domestic fan bearing of claim 1, wherein: a sealing plug is arranged in the cooling medium feed port (7).

3. The high temperature resistant domestic fan bearing of claim 1, wherein: the number of the steel balls (3) is multiple, and the steel balls (3) are uniformly arranged between the bearing outer ring (1) and the bearing inner ring (2).

4. The high temperature resistant domestic fan bearing of claim 1, wherein: the inner surface of the bearing outer ring (1), the outer surface of the bearing inner ring (2) and the retainer (4) are coated with high-temperature-resistant grease.

5. The high temperature resistant domestic fan bearing of claim 1, wherein: and sealing covers (8) are arranged in guide rail grooves on two sides of the circumferential surface of the bearing outer ring (1) opposite to the bearing inner ring (2).

6. The high temperature resistant domestic fan bearing of claim 1, wherein: the hollow cavity (6) is of an annular structure.