CN217682819U

CN217682819U - Thrust bearing device for turbocharger

Info

Publication number: CN217682819U
Application number: CN202222086734.9U
Authority: CN
Inventors: 魏尚武; 康阳
Original assignee: Liaoning Shengke Power Technology Co ltd
Current assignee: Liaoning Shengke Power Technology Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-10-28
Anticipated expiration: 2032-08-09

Abstract

The utility model relates to a footstep bearing technical field, and a thrust bearing device for turbocharger is disclosed, including the drive shaft, the one end of drive shaft is equipped with the driven shaft, the circular slot has been seted up at the middle part that the drive shaft is close to driven shaft one end, the drive shaft is close to the fixedly connected with outer loop casing in the circular slot at driven shaft one end middle part, the one end fixedly connected with inner ring casing of drive shaft is close to the side of driven shaft, the bar inslot equidistance at outer loop shells inner wall middle part is arranged and is had a plurality of steel ball, and the both sides of outer loop casing all are equipped with the oil storage ring, the utility model discloses an oil storage ring and oil storage plate, when using this thrust bearing device for turbocharger, add lubricating oil in the inside of oil storage ring, make high-speed moving turbocharger rotor shaft reach the effect of lubrication and cooling through lubricating oil, when lubricating oil on the steel ball reduces, the oil storage plate will flow out, covers the surface at the steel ball, is favorable to further improvement device's stability.

Description

Thrust bearing device for turbocharger

Technical Field

The utility model relates to a footstep bearing technical field, more specifically relate to a thrust bearing device for turbo charger.

Background

With the continuous development of science and technology and the continuous development of the automobile industry, a turbocharger is used as a structure capable of improving the air input of an engine, so that the power and the torque of the automobile engine are improved, the performance of an automobile is more excellent, a turbocharger thrust bearing is a special bearing for bearing axial force in the turbocharger, the turbocharger thrust bearing is generally a bearing consisting of two thrust washers or more thrust washers and a plurality of rolling bodies, the bearing is an important part in modern mechanical equipment, and the turbocharger thrust bearing has the main function of supporting a mechanical rotating body, reducing the friction coefficient in the movement process of the mechanical rotating body and ensuring the rotation precision of the mechanical rotating body.

Firstly, the existing thrust bearing device for the turbocharger is not provided with a device for blocking a steel ball, and the steel ball easily slides out of an outer ring shell under the state because a bearing body is in a high-speed rotating state during working, so that the bearing body is damaged, and a machine cannot run.

Secondly, the roller on the current bearing body, under the condition of long-time work, the wearing and tearing of roller can increase, and then influence the life of bearing body, current thrust bearing device for turbo charger adopts oily formula moreover for the most, but the maintenance that oily formula leads to the bearing body is inconvenient, need dry lubricating oil during the maintenance to the efficiency of maintenance has been reduced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the utility model provides a thrust bearing device for turbocharger to solve the problem that exists among the above-mentioned background art.

The utility model provides a following technical scheme: a thrust bearing device for a turbocharger comprises a driving shaft, wherein a driven shaft is arranged at one end of the driving shaft, a circular groove is formed in the middle of one end, close to the driven shaft, of the driving shaft, an outer ring shell is fixedly connected into the circular groove in the middle of one end, close to the driven shaft, of the driving shaft, an inner ring shell is fixedly connected to one end, close to the driving shaft, of the side face of the driven shaft, a strip-shaped groove is formed in the middle of the inner wall of the outer ring shell, a plurality of steel balls are arranged in the strip-shaped groove in the middle of the inner wall of the outer ring shell at equal intervals, and oil storage rings are arranged on two sides of the outer ring shell;

further, the spout has been seted up at the middle part of inner ring casing side, the spout at inner ring casing side middle part and the side swing joint of steel ball, and the both ends of inner ring casing side are all seted up flutedly, and equal fixedly connected with spacing ring in the recess at inner ring casing side both ends, the bar groove has all been seted up at the middle part of inner ring casing outer wall both sides, and the solid fixed ring of the equal fixedly connected with second in the bar inslot at inner ring casing outer wall both sides middle part.

Further, the middle part that spacing collar one side was kept away from to the oil storage ring has seted up the bar groove, and the equal fixedly connected with oil storage plate in the bar inslot of spacing collar one side middle part is kept away from to the oil storage ring, and the oil storage plate is formed for the casting of strong adsorption material.

Further, the bar groove has all been seted up at outer loop shells inner wall's both ends, the equal fixedly connected with closing plate in the bar inslot at outer loop shells inner wall both ends, and the bottom and the spacing collar fixed connection of oil storage ring one side are kept away from to the closing plate, and the top and the first fixed ring fixed connection of oil storage ring one side are kept away from to the closing plate, and one side and the oil storage plate fixed connection of spacing collar are kept away from to the closing plate.

Further, the bar groove has all been seted up to outer loop shells inner wall's both sides, the first solid fixed ring of the equal fixedly connected with in the bar inslot at outer loop shells inner wall both ends.

Further, the oil storage ring and the sealing plate are both positioned on the inner side of the outer ring shell, and the oil storage ring and the sealing plate are both positioned on the outer side of the inner ring shell.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be equipped with oil storage ring and oil storage plate, when using this thrust bearing device for turbocharger, add lubricating oil in oil storage ring's inside, make high-speed moving turbocharger rotor shaft reach lubricated and the effect of cooling through lubricating oil, when lubricating oil on the steel ball reduces, the oil storage plate will flow out, covers on the surface of steel ball, is favorable to improving the device's stability.

2. The utility model discloses a be equipped with the closing plate, when using this thrust bearing device for turbocharger, at the closing plate of the equal fixed connection in the bar inslot at outer ring casing inner wall both ends, can keep the closure of bearing, the closing plate still is used for preventing that lubricating oil from flowing from the side, is favorable to improving the device's life.

3. The utility model discloses a be equipped with the spacing collar, when using this thrust bearing device for turbo charger, equal fixedly connected with spacing collar in the recess at inner ring casing side both ends can prevent that the steel ball roll-off from outer loop casing comes, is favorable to further promoting the device's stability.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an explosion diagram of the overall structure of the present invention.

Fig. 3 is a schematic cross-sectional view of the overall structure of the present invention.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3.

The reference signs are: 1. a drive shaft; 2. a driven shaft; 3. an outer ring housing; 301. a first retaining ring; 4. an inner ring housing; 401. a limiting ring; 402. a second fixing ring; 5. an oil storage ring; 501. an oil storage plate; 6. a sealing plate; 7. a steel ball.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings in the present invention, and the forms of the structures described in the following embodiments are merely examples, and the thrust bearing device for a turbocharger according to the present invention is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without creative work belong to the scope of the present invention.

Referring to fig. 1-4, the utility model provides a thrust bearing device for turbocharger, including drive shaft 1, the one end of drive shaft 1 is equipped with driven shaft 2, the middle part that drive shaft 1 is close to driven shaft 2 one end has seted up the circular recess, drive shaft 1 is close to outer loop casing 3 of fixedly connected with in the circular recess of driven shaft 2 one end middle part, the one end fixedly connected with inner ring casing 4 of driven shaft 2 side close to drive shaft 1, the middle part of outer loop casing 3 inner wall has seted up the bar groove, the bar inslot at outer loop casing 3 inner wall middle part is arranged with a plurality of steel balls 7 at the equidistance, the both sides of outer loop casing 3 all are equipped with oil storage ring 5;

what needs to be specifically explained in this embodiment is that a plurality of steel balls 7 are arranged in the strip-shaped groove in the middle of the inner wall of the outer ring housing 3 at equal intervals, so that the steel balls 7 are simultaneously in contact with the chute in the inner wall of the outer ring housing 3 and the chute in the outer wall of the inner ring housing 4, and the outer ring housing 3 and the inner ring housing 4 can rotate relatively.

Referring to fig. 3-4, the middle part of the side of the inner ring shell 4 is provided with a chute, the chute in the middle part of the side of the inner ring shell 4 is movably connected with the side of the steel ball 7, two ends of the side of the inner ring shell 4 are respectively provided with a groove, the grooves in the two ends of the side of the inner ring shell 4 are respectively and fixedly connected with a limiting ring 401, the middle parts of the two sides of the outer wall of the inner ring shell 4 are respectively provided with a strip-shaped groove, and the strip-shaped grooves in the middle parts of the two sides of the outer wall of the inner ring shell 4 are respectively and fixedly connected with a second fixing ring 402.

In this embodiment, it should be specifically described that the limiting rings 401 are fixedly connected in the grooves at the two ends of the side surface of the inner ring housing 4, so that the steel ball 7 can be prevented from sliding out of the outer ring housing 3, and the stability of the device is further improved.

Referring to fig. 2-3, a strip-shaped groove is formed in the middle of one side, away from the limiting ring 401, of the oil storage ring 5, an oil storage plate 501 is fixedly connected to the strip-shaped groove in the middle of one side, away from the limiting ring 401, of the oil storage ring 5, and the oil storage plate 501 is made of a strong adsorption material through casting.

In this embodiment, it should be specifically noted that the oil storage plate 501 is made of a casting material with strong adsorption, so that the oil path of the device is more uniform.

Referring to fig. 2, the bar groove has all been seted up at the both ends of outer loop casing 3 inner wall, the equal fixedly connected with closing plate 6 in the bar inslot at outer loop casing 3 inner wall both ends, closing plate 6 keeps away from the bottom and spacing collar 401 fixed connection of oil storage ring 5 one side, closing plate 6 keeps away from the top and the first solid fixed ring 301 fixed connection of oil storage ring 5 one side, closing plate 6 keeps away from one side and the oil storage plate 501 fixed connection of spacing collar 401.

In this embodiment, it should be specifically noted that, the sealing plates 6 fixedly connected in the strip-shaped grooves at both ends of the inner wall of the outer ring housing 3 can maintain the sealing performance of the bearing, and the sealing plates 6 are also used for preventing the lubricating oil from flowing out from the side.

Referring to fig. 2-4, the two sides of the inner wall of the outer ring housing 3 are both provided with a strip-shaped groove, and the strip-shaped grooves at the two ends of the inner wall of the outer ring housing 3 are both fixedly connected with a first fixing ring 301.

It should be specifically described in this embodiment that, by fixedly connecting the first fixing rings 301 in the strip-shaped grooves at the two ends of the inner wall of the outer ring housing 3, the first fixing rings 301 can prevent the sealing plate 6 from being dislocated, so as to improve the stability of the device.

Referring to fig. 4, the oil ring 5 and the seal plate 6 are located inside the outer ring casing 3, and the oil ring 5 and the seal plate 6 are located outside the inner ring casing 4.

In the present embodiment, the oil ring 5 and the seal plate 6 are located inside the outer ring housing 3 and outside the inner ring housing 4, so that the outer ring housing 3 and the inner ring housing 4 can rotate relative to each other.

The utility model discloses a theory of operation: when the thrust bearing device for the turbocharger is used, the influence caused by the axial force of a rotor shaft in the turbocharger is avoided by axially mounting the outer ring shell 3 and the inner ring shell 4, the steel ball 7 is mounted between the outer ring shell 3 and the inner ring shell 4, so that the steel ball 7 is simultaneously contacted with the chute on the inner wall of the outer ring shell 3 and the chute on the outer wall of the inner ring shell 4, the driving shaft 1 and the driven shaft 2 can rotate by taking the outer ring shell 3 and the inner ring shell 4 as centers, the outer ring shell 3 and the inner ring shell 4 can relatively rotate, the sliding friction force during the rotation of the bearing can be reduced by the steel ball 7, when the thrust bearing device is mounted, lubricating oil is added into the oil storage ring 5, the high-speed turbocharger rotor shaft achieves the effects of lubricating and cooling through the lubricating oil, specifically, the oil film coverage degree on the steel ball 7 is adjusted by the oil storage plate 501, when the lubricating oil on the steel ball 7 is reduced, the oil storage plate 501 flows out and covers the surface of the steel ball 7, so as to continuously keep the oil path balanced, and the oil storage ring 5 is used for storing the lubricating oil and mounting the oil storage plate 501.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to common designs, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A thrust bearing device for a turbocharger, comprising a drive shaft (1), characterized in that: the one end of drive shaft (1) is equipped with driven shaft (2), the circular slot has been seted up at the middle part that drive shaft (1) is close to driven shaft (2) one end, drive shaft (1) is close to the circular slot internal fixation who is connected with outer loop casing (3) at driven shaft (2) one end middle part, the one end fixedly connected with inner ring casing (4) of drive shaft (1) are close to the side of driven shaft (2), the bar groove has been seted up at the middle part of outer loop casing (3) inner wall, the bar inslot equidistance at outer loop casing (3) inner wall middle part is arranged and is had a plurality of steel ball (7), the both sides of outer loop casing (3) all are equipped with oil storage ring (5).

2. The thrust bearing device for a turbocharger according to claim 1, characterized in that: the steel ball bearing is characterized in that a sliding groove is formed in the middle of the side face of the inner ring shell (4), the sliding groove in the middle of the side face of the inner ring shell (4) is movably connected with the side face of the steel ball (7), grooves are formed in two ends of the side face of the inner ring shell (4), limiting rings (401) are fixedly connected in the grooves in two ends of the side face of the inner ring shell (4), strip-shaped grooves are formed in the middle of two sides of the outer wall of the inner ring shell (4), and second fixing rings (402) are fixedly connected in the strip-shaped grooves in the middle of two sides of the outer wall of the inner ring shell (4).

3. The thrust bearing device for a turbocharger according to claim 1, characterized in that: the middle part of one side of the oil storage ring (5) far away from the limiting ring (401) is provided with a strip-shaped groove, the strip-shaped groove of the middle part of one side of the limiting ring (401) far away from the oil storage ring (5) is internally fixedly connected with an oil storage plate (501), and the oil storage plate (501) is cast by a strong adsorption material.

4. The thrust bearing device for a turbocharger according to claim 2, characterized in that: the utility model discloses a sealing plate, including outer loop casing (3), sealing plate (6), oil storage ring (5) one side and spacing collar (401) fixed connection, the bar groove has all been seted up at the both ends of outer loop casing (3) inner wall, the equal fixedly connected with closing plate (6) of bar inslot at outer loop casing (3) inner wall both ends, the bottom and the spacing collar (401) fixed connection of oil storage ring (5) one side are kept away from in closing plate (6), the top and first solid fixed ring (301) fixed connection of oil storage ring (5) one side are kept away from in closing plate (6), one side and oil storage plate (501) fixed connection of spacing collar (401) are kept away from in closing plate (6).

5. The thrust bearing device for a turbocharger according to claim 4, characterized in that: the bar groove has all been seted up to the both sides of outer loop casing (3) inner wall, the first solid fixed ring (301) of the equal fixedly connected with in the bar inslot at outer loop casing (3) inner wall both ends.

6. The thrust bearing device for a turbocharger according to claim 4, characterized in that: the oil storage ring (5) and the sealing plate (6) are located on the inner side of the outer ring shell (3), and the oil storage ring (5) and the sealing plate (6) are located on the outer side of the inner ring shell (4).