CN215058872U

CN215058872U - Bearing fixing seat for washing machine

Info

Publication number: CN215058872U
Application number: CN202120963625.3U
Authority: CN
Inventors: 沈焕军
Original assignee: Zhejiang Risheng Agriculture And Forestry Science And Technology Co ltd
Current assignee: Zhejiang Risheng Agriculture And Forestry Science And Technology Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-12-07
Anticipated expiration: 2031-05-07

Abstract

The utility model discloses a bearing fixing seat for a washing machine, which comprises a fixing seat body, wherein the fixing seat body comprises a central body and three connecting arms arranged on the periphery of the central body; the bearing comprises an outer ring, an inner ring and balls arranged between the outer ring and the inner ring, wherein a lubricating mechanism used for lubricating the balls is arranged on the outer ring. The utility model discloses in, lubricated mechanism can lubricate the ball, reduces the wearing and tearing between ball and the inside and outside lane, improves the life of bearing.

Description

Bearing fixing seat for washing machine

Technical Field

The utility model relates to a bearing fixing base, in particular to a bearing fixing base for washing machine.

Background

The roller washing machine comprises an outer barrel and an inner barrel, wherein for the existing roller washing machine with a motor directly driven, a stator is fixed at the rear part of the outer barrel, a rotor is fixed on a rotating shaft of the inner barrel, a bearing is arranged on the rotating shaft of the inner barrel, an inner ring of the bearing can rotate, an outer ring is fixedly arranged on a bearing fixing seat, the bearing fixing seat and the outer barrel are connected into a whole, namely the stator and the outer barrel are fixed, and the rotor drives the inner barrel to rotate around a shaft.

The bearing fixing seat comprises a fixing seat body, a mounting hole is formed in the center of the fixing seat body, and a bearing is installed in the mounting hole. The bearing fixing seat is embedded and fixed on the outer cylinder, and the specific production process comprises the following steps: and putting the processed bearing fixing seat into a mold, then performing injection molding, and embedding the bearing fixing seat into the outer cylinder to produce.

Among the current bearing fixing base, the bearing includes outer lane, inner circle and sets up the ball between the outer lane inner circle, and the bearing is at the course of the work, and the ball lacks effectual lubrication, leads to the ball great with the wearing and tearing between inside and outside circle, influences the life of bearing.

Disclosure of Invention

The utility model aims at solving current bearing fixing base, the bearing is in the course of the work, because the ball lacks effectual lubrication, results in the ball great with the wearing and tearing between the inside and outside lane, influences the life's of bearing problem, provides a bearing fixing base for washing machine.

The utility model aims at realizing through the following technical scheme: a bearing fixing seat for a washing machine comprises a fixing seat body, wherein the fixing seat body comprises a central body and three connecting arms arranged on the periphery of the central body, a mounting hole is formed in the center of the fixing seat body, and a bearing is arranged in the mounting hole; the bearing comprises an outer ring, an inner ring and balls arranged between the outer ring and the inner ring, wherein a lubricating mechanism used for lubricating the balls is arranged on the outer ring.

In the utility model, three connecting arms are evenly distributed on the circumference of the central body, and the interval angle between two adjacent connecting arms is 120 degrees. The three connecting arms are embedded and fixed on the outer drum of the washing machine. The utility model discloses in, lubricated mechanism can lubricate the ball, reduces the wearing and tearing between ball and the inside and outside lane, improves the life of bearing.

Preferably, the central body and the connecting arm are integrally formed.

Preferably, the holder body is made of an aluminum alloy. The aluminum alloy has light weight and high strength, and is an ideal material for manufacturing the fixing seat body.

Preferably, the outer ring consists of two semi-ring bodies, the inner sides of the semi-ring bodies are provided with ball grooves, and the balls are positioned in the ball grooves; the lubricating mechanism comprises an oil storage cavity which is arranged in the semi-ring body and used for storing lubricating oil, and the oil storage cavity is communicated with the ball groove through a connecting oil duct. The two half-ring bodies are combined to form a complete outer ring, and the outer ring is in interference fit with the mounting hole. The ball groove is hemispherical, and the ball can roll freely in the ball groove. Lubricating oil is stored in the oil storage cavity, the lubricating oil in the oil storage cavity enters the ball groove through the connecting oil duct, a layer of lubricating oil can be uniformly attached to the surface of the ball in the rolling process of the ball, the lubricating oil can lubricate the surface of the ball, the abrasion between the ball and the inner ring and the outer ring is reduced, and the service life of the bearing is prolonged. The utility model discloses in, the outer lane is formed by two hemizonids combinations, and the assembly of the bearing of being convenient for of this kind of structure.

Preferably, an oil filling hole is formed in the semi-ring body and communicated with the oil storage cavity, and an oil hole plug is connected to the oil filling hole. Lubricating oil is added into the oil storage cavity through the oil filling hole, and after the lubricating oil is added, the oil filling hole is plugged through the oil hole plug, so that the lubricating oil is prevented from leaking.

Preferably, one end face of the semi-ring body is provided with a positioning boss, and the other end face of the semi-ring body is provided with a positioning groove. When the two half-ring bodies are combined, the positioning boss on one half-ring body is inserted into the positioning groove on the other half-ring body, and the two half-ring bodies are connected and positioned through the positioning boss and the positioning groove.

Preferably, the outer side of the inner ring is provided with an outer raceway along which the balls roll.

The utility model has the advantages that: the utility model discloses in, lubricated mechanism can lubricate the ball, reduces the wearing and tearing between ball and the inside and outside lane, improves the life of bearing.

Drawings

Fig. 1 is a top view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a schematic structural view of a bearing.

Fig. 4 is a cross-sectional view of a bearing.

Fig. 5 is a schematic structural view of the inner ring.

Fig. 6 is an enlarged view of a portion a in fig. 4.

Fig. 7 is an enlarged view of a portion B in fig. 4.

In the figure: 1. the oil-saving bearing comprises a central body, 2, a connecting arm, 3, a bearing, 4, a semi-ring body, 5, an inner ring, 6, a ball, 7, an oil hole plug, 8, an oil storage cavity, 9, an outer raceway, 10, a connecting oil channel, 11, a positioning boss, 12 and a positioning groove.

Detailed Description

The invention will be further described with reference to the following detailed description and accompanying drawings.

Example 1:

as shown in fig. 1 to 7, a bearing holder for a washing machine includes a holder body. The holder body comprises a central body 1 and three connecting arms 2 arranged circumferentially on the central body 1. Three connecting arms 2 are formed integrally with the central body. The three connecting arms are uniformly distributed on the circumference of the central body, and the interval angle between every two adjacent connecting arms is 120 degrees. The fixing seat body is made of aluminum alloy.

The center of fixing base body is provided with the mounting hole, is provided with bearing 3 in the mounting hole. The bearing 3 includes an outer ring, an inner ring 5, and balls 6 disposed between the outer ring and the inner ring 5. The outer side of the inner ring 5 is provided with an outer raceway 9 along which the balls 6 roll. The outer ring is in interference fit with the mounting hole.

The outer ring is composed of two half-rings 4. The half-ring body 4 is semicircular. One end face of the semi-ring body 4 is provided with a positioning boss 11, and the other end face is provided with a positioning groove 12. The two half-rings 4 combine to form a complete outer ring. When the two half-ring bodies 4 are combined, the positioning boss 11 on one half-ring body 4 is inserted into the positioning groove 12 on the other half-ring body, and the two half-ring bodies 4 are connected and positioned through the positioning boss 11 and the positioning groove 12. The inner side of the semi-ring body 4 is provided with a ball groove, and the ball 6 is positioned in the ball groove. The ball groove is hemispherical, and the ball 6 can roll freely in the ball groove. An oil storage cavity 8 is arranged in the semi-ring body 4. The oil storage cavity 8 is used for storing lubricating oil. The oil storage cavity 8 is communicated with the ball groove through a connecting oil duct 10. An oil filling hole is formed in the semi-ring body 4 and communicated with the oil storage cavity 8, and an oil hole plug 7 is connected to the oil filling hole. Lubricating oil is added into the oil storage cavity through the oil filling hole, and after the lubricating oil is added, the oil filling hole is plugged through the oil hole plug, so that the lubricating oil is prevented from leaking.

The utility model discloses in, during the lubricating oil in the oil storage chamber got into the ball groove through connecting the oil duct, the ball was at the roll in-process, and the ball surface can adhere to one deck lubricating oil uniformly, and lubricating oil can lubricate the ball surface, reduces the wearing and tearing between ball and the inside and outside lane, and then improves the life of bearing.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. The utility model provides a bearing fixing base for washing machine, includes the fixing base body, its characterized in that: the fixing seat body comprises a central body and three connecting arms arranged on the periphery of the central body, the center of the fixing seat body is provided with a mounting hole, and a bearing is arranged in the mounting hole; the bearing comprises an outer ring, an inner ring and balls arranged between the outer ring and the inner ring, wherein a lubricating mechanism used for lubricating the balls is arranged on the outer ring.

2. A bearing holder for a washing machine according to claim 1, wherein the central body and the connecting arm are integrally formed.

3. A bearing holder for a washing machine as claimed in claim 1, wherein the holder body is made of an aluminum alloy.

4. A bearing-fixing base for a washing machine as claimed in claim 1, wherein the outer ring is composed of two half-rings, the inner sides of the half-rings are provided with ball grooves, and the balls are located in the ball grooves; the lubricating mechanism comprises an oil storage cavity which is arranged in the semi-ring body and used for storing lubricating oil, and the oil storage cavity is communicated with the ball groove through a connecting oil duct.

5. A bearing fixing seat for a washing machine as claimed in claim 4, wherein the half ring body is provided with an oil filling hole, the oil filling hole is communicated with the oil storage cavity, and an oil hole plug is connected to the oil filling hole.

6. A bearing holder for a washing machine as claimed in claim 4 wherein the half ring has a locating boss on one end and a locating slot in the other end.

7. A bearing holder for a washing machine as claimed in claim 1 or 2 or 3 or 4 or 5 or 6 wherein the outer side of the inner race is provided with an outer raceway along which the balls roll.