CN214837822U - Three-point contact radial ball bearing - Google Patents
Three-point contact radial ball bearing Download PDFInfo
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- CN214837822U CN214837822U CN202120630086.1U CN202120630086U CN214837822U CN 214837822 U CN214837822 U CN 214837822U CN 202120630086 U CN202120630086 U CN 202120630086U CN 214837822 U CN214837822 U CN 214837822U
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- rolling body
- outer ring
- bearing
- point contact
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Abstract
The utility model relates to an oil lubrication bearing specifically relates to a three point contact radial ball bearing, belongs to bearing technical field. The method comprises the following steps: the device comprises an outer ring assembly, a rolling body and an inner ring; the rolling body is arranged between the outer ring assembly and the inner ring, the inner diameter of the outer ring assembly and the outer diameter of the inner ring are respectively provided with a roller path matched with the rolling body, and the rolling body is in rolling connection between the outer ring assembly and the inner ring; the outer ring assembly is of a combined type integral structure and sequentially comprises the following components from outside to inside: the device comprises an integrated outer sleeve, a two-body tolerance ring and a two-body outer ring; the oil-lubricated three-point contact radial ball bearing reduces the thickness of the outer ring, and the tolerance ring made of rubber is additionally arranged between the outer sleeve and the outer ring, so that the normal use of the bearing can be met, a certain effect can be achieved in the aspects of load buffering and noise reduction, the sealing performance of the bearing is improved, the damage to the bearing is reduced, and the use reliability of the bearing is improved.
Description
Technical Field
The utility model relates to an oil lubrication bearing specifically relates to a three point contact radial ball bearing, belongs to bearing technical field.
Background
The rigidity of each part of the common bearing is high, when the bearing is loaded unstably during working, the vibration amplitude of the bearing is increased, noise is increased, and a transmission system runs unstably. Not only will reduce the life of bearing, also can influence life-span, precision etc. of other spare parts in the transmission system simultaneously.
Disclosure of Invention
In view of the above-mentioned technical drawbacks, the present invention provides a three-point contact radial ball bearing, which has a tolerance compensation for the tolerance of the bearing by providing a tolerance ring, and is convenient for improving vibration and noise; the sealing performance of the bearing is improved, so that the damage of the bearing is reduced, and the use reliability of the bearing is improved.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a three-point contact radial ball bearing comprising: the device comprises an outer ring assembly, a rolling body and an inner ring; the rolling body is arranged between the outer ring assembly and the inner ring, the inner diameter of the outer ring assembly and the outer diameter of the inner ring are respectively provided with a roller path matched with the rolling body, and the rolling body is in rolling connection between the outer ring assembly and the inner ring; the outer ring assembly is of a combined type integral structure and sequentially comprises the following components from outside to inside: the device comprises an integrated outer sleeve, a two-body tolerance ring and a two-body outer ring;
furthermore, the two-body outer ring and the two-body tolerance ring are respectively arranged in a way of taking the rolling body as the center and approaching to the two end faces of the bearing ring;
furthermore, the outer rings and the tolerance rings positioned on two sides of the rolling body are symmetrically arranged by a radial extension line of the central point of the rolling body, and a gap is arranged between the outer rings on two sides;
furthermore, the outer ring adopts an arc-shaped thin-wall structure matched with a rolling curved surface of the rolling body, a horizontal thin wall is integrally arranged at the outer end of the arc-shaped thin wall, a raceway is arranged in the inner diameter of the arc-shaped thin wall and connected with the rolling body, the arc-shaped thin wall and the inner wall of the outer sleeve form a cavity, a tolerance ring is arranged in the cavity, one part of the tolerance ring is tightly attached to the outer diameter of the arc-shaped thin wall, and the other part of the tolerance ring is tightly attached to the inner wall of the outer sleeve;
furthermore, the outer sleeve is of a half-frame structure, the half frame is of an integrated structure of side plates on two sides and a middle plate, and free ends of the two side plates of the outer sleeve extend to positions which are flush with two end faces outside the horizontal thin wall of the outer ring;
furthermore, the joints of the side plates on the two sides of the outer sleeve and the middle plate are in a fillet transition form;
furthermore, inner diameter chamfers at two ends of the inner ring are of an inclined plane chamfer structure;
the utility model discloses a three point contact radial ball bearing for the bearing of current structure reduce the thickness of outer lane in other words.
The utility model has the advantages that:
the oil-lubricated three-point contact radial ball bearing reduces the thickness of the outer ring, and the tolerance ring made of rubber is additionally arranged between the outer sleeve and the outer ring, so that the normal use of the bearing can be met, a certain effect can be achieved in the aspects of load buffering and noise reduction, the sealing performance of the bearing is improved, the damage to the bearing is reduced, and the use reliability of the bearing is improved.
Drawings
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is a perspective structural view of the present invention.
Fig. 3 is a cross-sectional view of fig. 2.
In the figure, 1, a rolling body, 2, an inner ring, 3, an outer sleeve, 4, a tolerance ring, 5, an outer ring, 3-1, a side plate, 3-2 and a middle plate.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, a three-point contact radial ball bearing includes: the device comprises an outer ring assembly, a rolling body 1 and an inner ring 2; the rolling body 1 is arranged between the outer ring assembly and the inner ring 2, the inner diameter of the outer ring assembly and the outer diameter of the inner ring are respectively provided with a roller path matched with the rolling body 1, and the rolling body 1 is connected between the outer ring assembly and the inner ring 2 in a rolling way; the outer ring assembly is of a combined type integral structure and sequentially comprises the following components from outside to inside: the device comprises an integrated outer sleeve 3, a two-body tolerance ring 4 and a two-body outer ring 5;
the two-body outer ring 5 and the two-body tolerance ring 4 are respectively arranged in a way of taking the rolling body 1 as a center and being close to the two end faces of the bearing ring;
the outer rings 5 and the tolerance ring 4 which are positioned on two sides of the rolling body 1 are symmetrically arranged along a radial extension line of the central point of the rolling body, and a gap is arranged between the outer rings 5 on the two sides;
the outer ring 5 adopts an arc-shaped thin-wall structure matched with a rolling curved surface of the rolling body 1, a horizontal thin wall is integrally arranged at the outer end of the arc-shaped thin wall, a raceway is arranged in the inner diameter of the arc-shaped thin wall and connected with the rolling body 1, a cavity is formed by the arc-shaped thin wall and the inner wall of the outer sleeve 3, a tolerance ring 4 is arranged in the cavity, one part of the tolerance ring 4 is tightly attached to the outer diameter of the arc-shaped thin wall, and the other part of the tolerance ring is tightly attached to the inner wall of the outer sleeve 3;
the outer sleeve 3 is of a half-frame structure, the half frame is of an integrated structure of the side plates 3-1 and the middle plate 3-2 on two sides, and the free ends of the two side plates 3-1 of the outer sleeve 3 extend to positions flush with two end faces outside the horizontal thin wall of the outer ring 5.
Compared with the prior ball bearing which can only bear axial force, the three-point contact radial ball bearing of the utility model can bear both axial force and radial force by the design of arranging the tolerance ring 4 and matching with the outer sleeve 3; meanwhile, the two-body type tolerance ring is arranged, so that axial and radial bidirectional buffering can be realized.
Claims (6)
1. A three-point contact radial ball bearing, comprising: the device comprises an outer ring assembly, a rolling body and an inner ring; the rolling body is arranged between the outer ring assembly and the inner ring, the inner diameter of the outer ring assembly and the outer diameter of the inner ring are respectively provided with a roller path matched with the rolling body, and the rolling body is in rolling connection between the outer ring assembly and the inner ring; the outer ring assembly is of a combined type integral structure and sequentially comprises the following components from outside to inside: the one-piece outer sleeve, two-piece tolerance ring, two-piece outer lane.
2. A three point contact radial ball bearing according to claim 1, wherein: the two-body outer ring and the two-body tolerance ring are respectively arranged in a way of taking the rolling body as the center and being close to the two end faces of the bearing ring.
3. A three point contact radial ball bearing according to claim 2, wherein: the outer rings and the tolerance rings on two sides of the rolling body are symmetrically arranged along a radial extension line of the central point of the rolling body, and a gap is arranged between the outer rings on two sides of the rolling body.
4. A three point contact radial ball bearing according to claim 3, wherein: the outer ring is of an arc thin-wall structure matched with a rolling curved surface of the rolling body, a horizontal thin wall is integrally arranged at the outer end of the arc thin wall, a raceway is arranged in the inner diameter of the arc thin wall and connected with the rolling body, a cavity is formed between the arc thin wall and the inner wall of the outer sleeve, a tolerance ring is arranged in the cavity, one part of the tolerance ring is tightly attached to the outer diameter of the arc thin wall, and the other part of the tolerance ring is tightly attached to the inner wall of the outer sleeve.
5. A three point contact radial ball bearing according to claim 4, wherein: the outer sleeve is of a half-frame structure, the half frame is of an integrated structure of the side plates on two sides and the middle plate, and the free ends of the two side plates of the outer sleeve extend to positions flush with the two end faces outside the horizontal thin wall of the outer ring.
6. A three point contact radial ball bearing according to claim 5, wherein: the side plates on the two sides of the outer sleeve are respectively in a fillet transition form with the joint of the middle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120630086.1U CN214837822U (en) | 2021-03-29 | 2021-03-29 | Three-point contact radial ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120630086.1U CN214837822U (en) | 2021-03-29 | 2021-03-29 | Three-point contact radial ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214837822U true CN214837822U (en) | 2021-11-23 |
Family
ID=78760501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120630086.1U Active CN214837822U (en) | 2021-03-29 | 2021-03-29 | Three-point contact radial ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214837822U (en) |
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2021
- 2021-03-29 CN CN202120630086.1U patent/CN214837822U/en active Active
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