CN209948847U

CN209948847U - Electric machine with oil-impregnated bearing lubrication system

Info

Publication number: CN209948847U
Application number: CN201920560929.8U
Authority: CN
Inventors: 葛梅; 陈登香
Original assignee: Changzhou Baojie Motor Manufacturing Co Ltd
Current assignee: Changzhou Baojie Motor Manufacturing Co Ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-01-14
Anticipated expiration: 2029-04-23

Abstract

The utility model provides a motor with oiliness bearing lubricating system, including oiliness bearing lubricating system, oiliness bearing lubricating system includes preceding gland, aluminium end cover, oiliness bearing, spring steel plate, for the axle retaining ring and back gland, the one end middle part of aluminium end cover is equipped with outer lane and inner circle, form the oil storage chamber between outer lane and the inner circle, circle and be equipped with a plurality of recesses that supply out oil and oil return, the oiliness bearing is established in the inner circle, the other end of aluminium end cover is equipped with connecting portion, preceding gland cover closes on the connecting portion of aluminium end cover, back gland lid closes on the outer lane, spring steel plate establishes back gland with between the outer lane, and with the laminating of outer lane, used for the axle retaining ring is established spring steel plate with between the back gland. The utility model provides a motor with lubricated system of oiliness bearing, simple structure, the cost of manufacture is low, can realize lubricating oil cyclic utilization, and the lubricating oil loss is little.

Description

Electric machine with oil-impregnated bearing lubrication system

The technical field is as follows:

the utility model relates to a motor structure technical field, concretely relates to motor with oil-retaining bearing lubricating system.

Background art:

in recent years, oil-containing bearing motors are more and more concerned, and the proportion of the oil-containing bearing motors in the motor industry is more and more large, but the oil-containing bearing lubricating system of the oil-containing bearing motor in the prior art has the problems of complex structure, high manufacturing cost, large lubricating oil loss and the like.

The utility model has the following contents:

the utility model aims at prior art's defect, provide a motor that has oil-retaining bearing lubricating system that can solve above-mentioned problem.

Realize the utility model discloses the technical scheme of purpose is: a motor with an oil-retaining bearing lubricating system comprises the oil-retaining bearing lubricating system, the oil-retaining bearing lubricating system comprises a front gland, an aluminum end cover, an oil-retaining bearing, a spring steel plate, a check ring for a shaft and a rear gland, the front gland, the aluminum end cover, the oil-retaining bearing, the spring steel plate and the rear gland are all provided with through holes for the rotating shaft of the motor to pass through, an outer ring and an inner ring are arranged in the middle of one end of the aluminum end cover, an oil storage cavity is formed between the outer ring and the inner ring, the inner ring is provided with a plurality of grooves for supplying and returning oil, the oil-retaining bearing is arranged in the inner ring, the other end of the aluminum end cover is provided with a connecting part, the front gland is covered on the connecting part of the aluminum end cover, the rear gland covers the outer ring, the spring steel plate is arranged between the rear gland and the outer ring, and is attached to the outer ring, and the check ring for the shaft is arranged between the spring steel plate and the rear gland.

Furthermore, in order to avoid that grease flies out along the rotating shaft when the rotating shaft rotates, an oil baffle ring is arranged between the front gland and the oil-retaining bearing, and the oil baffle ring is attached to the end part of the oil-retaining bearing.

Further, in order to strengthen the strength of the inner ring, a first reinforcing rib is arranged between the inner ring and the outer ring.

Furthermore, in order to strengthen the strength of the aluminum end cover, a second reinforcing rib is arranged on the aluminum end cover, and the second reinforcing rib extends to the edge of the aluminum end cover from the outer edge of the outer ring.

Furthermore, in order to prevent grease from splashing, a flanging is arranged on the through hole of the front gland and faces one side of the aluminum end cover.

Furthermore, in order to prevent grease from splashing, a flanging is arranged on the through hole of the rear gland and faces one side of the outer ring.

Further, the spring steel plate is triangular in shape.

The utility model discloses the beneficial effect of motor with lubricated system of oiliness bearing is:

(1) the utility model provides a motor with lubricated system of oiliness bearing, simple structure, the cost of manufacture is low, can realize lubricating oil cyclic utilization, and the lubricating oil loss is little.

(2) The utility model discloses a spring steel sheet surface is smooth, can play support and absorbing effect.

(3) The utility model discloses a keep off oil ring and for axle retaining ring, grease is in the same direction as the pivot departure when can avoiding the pivot rotation, lets the grease can cyclic utilization.

(4) The utility model discloses a be equipped with the turn-ups on preceding gland and the back gland, can prevent that the grease from splashing.

Description of the drawings:

figure 1 is a schematic structural diagram of the present invention,

FIG. 2 is an enlarged schematic view of a circle part of the present invention,

figure 3 is a schematic diagram of the structure of an oil-impregnated bearing lubrication system,

fig. 4 is a schematic structural view of an aluminum end cap.

In the figure: 1 front gland, 11 flanging, 2 aluminum end cover, 21 inner ring, 22 first reinforcing rib, 23 oil storage cavity, 24 groove, 25 outer ring, 26 second reinforcing rib, 3 oil bearing, 4 spring steel plate, 5 rear gland, 51 flanging, 6 rotating shaft, 7 oil baffle ring and 8 shaft retainer ring.

The specific implementation mode is as follows:

the following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined.

Referring to fig. 1 to 3, a motor with an oil-retaining bearing lubricating system comprises the oil-retaining bearing lubricating system, wherein the oil-retaining bearing lubricating system comprises a front gland 1, an aluminum end cover 2, an oil-retaining bearing 3, a spring steel plate 4, a shaft retainer ring 8 and a rear gland 5, and through holes for a motor rotating shaft 6 to pass through are formed in the front gland 1, the aluminum end cover 2, the oil-retaining bearing 3, the spring steel plate 4 and the rear gland 5.

The other end of aluminium end cover 2 is equipped with connecting portion, preceding gland 1 lid closes on the connecting portion of aluminium end cover 2, back gland 5 lid closes on outer lane 25, in order to prevent that grease from splashing, be equipped with turn-ups 11 on the through-hole of preceding gland 1, turn-ups 11 orientation one side of aluminium end cover 2, be equipped with turn-ups 51 on the through-hole of back gland 5, turn-ups 51 orientation one side of outer lane 25.

The spring steel plate 4 is arranged between the rear gland 5 and the outer ring 25, one end of the spring steel plate is attached to the outer ring 25 to prevent grease from flowing out, and the other end of the spring steel plate is attached to the shaft retainer ring 8. The spring steel plate 4 may be of various shapes, preferably triangular. The shaft retainer ring 8 is arranged between the rear gland 5 and the spring steel plate 4 and is used for preventing the grease from flying out along the rotating shaft 6 when the rotating shaft 6 rotates, so that the grease can be recycled. An oil baffle ring 7 is arranged between the front gland 1 and the oil-retaining bearing 3, the oil baffle ring 7 is attached to the end part of the oil-retaining bearing 3, and the oil baffle ring 7 is also used for preventing grease from flying out along the rotating shaft 6 when the rotating shaft 6 rotates.

Referring to fig. 4, an outer ring 25 and an inner ring 21 are arranged in the middle of one end of the aluminum end cover 2, an oil storage cavity 23 is formed between the outer ring 25 and the inner ring 21, a plurality of grooves 24 for oil outlet and oil return are formed in the inner ring 21, and the oil-retaining bearing 3 is arranged in the inner ring 21. First reinforcing ribs 22 are arranged between the inner ring 21 and the outer ring 25, the first reinforcing ribs 22 can enhance the strength of the inner ring 21 and enable the inner ring to be difficult to deform, and the first reinforcing ribs 22 are preferably radial reinforcing ribs. The aluminum end cover 2 is provided with a second reinforcing rib 26, the second reinforcing rib 26 extends from the outer edge of the outer ring 25 to the edge of the aluminum end cover 2, and the second reinforcing rib 26 can enhance the strength of the aluminum end cover 2.

The utility model discloses during operation, lubricating grease gets into the oiliness bearing 3 through the recess 24 on the inner circle 21, forms the very thin oil film of one deck between motor shaft 6 and oiliness bearing 3 to reduce frictional force, the life of extension motor. The oil baffle ring 7 and the shaft baffle ring 8 are used for preventing grease from flying out along the rotating shaft 6 when the rotating shaft 6 rotates, so that the grease can be recycled, the surface of the spring steel plate 4 is smooth and can support and absorb shock, the spring steel plate is attached to the shaft baffle ring 8, and oil of the shaft baffle ring 8 can be guided to return to the oil storage cavity 23.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. An electric machine with an oil-impregnated bearing lubrication system, including oil-impregnated bearing lubrication system, its characterized in that: the oil-retaining bearing lubricating system comprises a front gland (1), an aluminum end cover (2), an oil-retaining bearing (3), a spring steel plate (4), a shaft retainer ring (8) and a rear gland (5), wherein a through hole for passing a power supply motor rotating shaft (6) is formed in the front gland (1), the aluminum end cover (2), the oil-retaining bearing (3), the spring steel plate (4) and the rear gland (5), an outer ring (25) and an inner ring (21) are arranged in the middle of one end of the aluminum end cover (2), an oil storage cavity (23) is formed between the outer ring (25) and the inner ring (21), a plurality of grooves (24) for supplying oil and returning oil are formed in the inner ring (21), the oil-retaining bearing (3) is arranged in the inner ring (21), a connecting part is arranged at the other end of the aluminum end cover (2), the front gland (1) is covered on the connecting part of the aluminum end cover (2), and the rear gland (5) is covered on the outer ring (25, the spring steel plate (4) is arranged between the rear gland (5) and the outer ring (25) and is attached to the outer ring (25), and the used retainer ring (8) for the shaft is arranged between the spring steel plate (4) and the rear gland (5).

2. The electric machine with oil impregnated bearing lubrication system of claim 1 wherein: an oil baffle ring (7) is arranged between the front gland (1) and the oil-retaining bearing (3), and the oil baffle ring (7) is attached to the end part of the oil-retaining bearing (3).

3. The electric machine with oil impregnated bearing lubrication system of claim 1 wherein: a first reinforcing rib (22) is arranged between the inner ring (21) and the outer ring (25).

4. The electric machine with oil impregnated bearing lubrication system of claim 1 wherein: and a second reinforcing rib (26) is arranged on the aluminum end cover (2), and the second reinforcing rib (26) extends to the edge of the aluminum end cover (2) from the outer edge of the outer ring (25).

5. The electric machine with oil impregnated bearing lubrication system of claim 1 wherein: a flanging (11) is arranged on the through hole of the front gland (1), and the flanging (11) faces one side of the aluminum end cover (2).

6. The electric machine with oil impregnated bearing lubrication system of claim 1 wherein: a flanging (51) is arranged on the through hole of the rear gland (5), and the flanging (51) faces one side of the outer ring (25).

7. The electric machine with oil impregnated bearing lubrication system of claim 1 wherein: the spring steel plate (4) is triangular.