CN217977073U - Sealing structure for large ball bearing - Google Patents
Sealing structure for large ball bearing Download PDFInfo
- Publication number
- CN217977073U CN217977073U CN202221971955.8U CN202221971955U CN217977073U CN 217977073 U CN217977073 U CN 217977073U CN 202221971955 U CN202221971955 U CN 202221971955U CN 217977073 U CN217977073 U CN 217977073U
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- Prior art keywords
- retaining ring
- ring
- lateral wall
- retainer ring
- sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 54
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000000428 dust Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
A seal structure for a large ball bearing comprising: bearing inner race, outer retaining ring, bearing inner race, interior retaining ring, circlip and sealing washer, bearing inner race inside wall tip be equipped with the outer retaining ring mounting groove that is used for installing outer retaining ring, bearing inner race lateral wall tip be equipped with the interior retaining ring mounting groove that is used for installing interior retaining ring, the interior retaining ring mounting groove outside is equipped with the circlip draw-in groove, the retaining ring outside is used for the restriction and supports interior retaining ring including the circlip setting, outer retaining ring set up the inboard at interior retaining ring, interior retaining ring terminal surface is parallel to each other with outer retaining ring terminal surface, the outer loop border of outer retaining ring is equipped with outer retaining ring lateral wall, interior retaining ring outer loop border also is equipped with interior retaining ring lateral wall, is parallel to each other between outer retaining ring lateral wall and the interior retaining ring lateral wall, is equipped with the sealing washer between the inboard of outer retaining ring lateral wall and the terminal surface junction and the outside of interior retaining ring lateral wall and terminal surface junction. The sealing structure is suitable for large-size ball bearings, simple in structure, easy to process and good in sealing effect.
Description
Technical Field
The utility model belongs to the technical field of the bearing seal, concretely relates to a seal structure for large-scale ball bearing.
Background
The ball bearing is mainly applied to the occasions with low load and high rotating speed, and supports the mechanical mechanism to rotate at a high speed. Whether to add a sealing member is determined according to the cleaning condition of the application. The conventional ball bearing sealing member mainly adopts a dust cover and a rubber sealing ring and is mainly applied to small-size ball bearings. The dust cover is a steel stamping part, and the rubber sealing ring is formed by bonding rubber on the steel stamping part (called as a framework). The thickness of the steel stamping part is only 2 to 5mm generally, the application effect is good when the steel stamping part is used in a small size, and once the steel stamping part is applied to a large ball bearing in a size expansion manner, the steel stamping part is thin in thickness and large in diameter, so that the whole rigidity of a sealing element is poor, the sealing element is easy to deform, and a good sealing effect cannot be achieved.
Disclosure of Invention
Not enough to prior art exists, the utility model aims to design a sealed effectual, can use the seal structure on large-scale ball bearing again.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a seal structure for a large ball bearing comprising: bearing inner race, outer retaining ring, bearing inner race, interior retaining ring, circlip and sealing washer, bearing inner race inside wall tip be equipped with the outer retaining ring mounting groove that is used for installing outer retaining ring, bearing inner race lateral wall tip be equipped with the interior retaining ring mounting groove that is used for installing interior retaining ring, the interior retaining ring mounting groove outside is equipped with the circlip draw-in groove, the retaining ring outside is used for the restriction and supports interior retaining ring including the circlip setting, outer retaining ring set up the inboard at interior retaining ring, interior retaining ring terminal surface is parallel to each other with outer retaining ring terminal surface, the outer loop border of outer retaining ring is equipped with outer retaining ring lateral wall, interior retaining ring outer loop border also is equipped with interior retaining ring lateral wall, is parallel to each other between outer retaining ring lateral wall and the interior retaining ring lateral wall, is equipped with the sealing washer between the inboard of outer retaining ring lateral wall and the terminal surface junction and the outside of interior retaining ring lateral wall and terminal surface junction.
The outer retaining ring is of an annular structure, the outer retaining ring side wall perpendicular to the end face is arranged on the outer ring edge of the outer retaining ring, the side wall is close to the end portion and is inwardly tightened, the inwardly tightened portion of the outer retaining ring side wall is tightly attached to the protruding portion of the outer retaining ring mounting groove, and a sealing ring mounting groove used for mounting a sealing ring is formed in the inner side of the joint of the outer retaining ring side wall and the end face.
The inner retainer ring is integrally of an annular structure, the outer annular edge of the inner retainer ring is provided with an inner retainer ring side wall perpendicular to the end face, the outer side of the joint of the inner retainer ring side wall and the end face is provided with a fillet, and a gap is formed between the fillet and the sealing ring.
The elastic check ring is of an annular structure with an opening, the inner diameter of the elastic check ring is matched with the groove depth of a check groove of the elastic check ring arranged on the inner ring of the bearing, the outer diameter of the elastic check ring is smaller than that of the inner check ring, and the outer diameter of the elastic check ring is larger than or equal to one half of that of the inner check ring.
The inner diameter of the outer retainer ring is less than or equal to two thirds of the outer diameter of the inner retainer ring, and the outer diameter of the outer retainer ring is matched with the depth of the groove bottom of an outer retainer ring mounting groove arranged on the outer ring of the bearing.
The sealing ring adopts an O-shaped sealing ring, and the sealing ring is bonded in a sealing ring mounting groove arranged on the outer retaining ring.
The utility model has the advantages that: the sealing structure is suitable for large-size ball bearings, simple in structure, easy to process and good in sealing effect.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a partial schematic view of the positions of the inner and outer retaining rings and the sealing ring.
Fig. 3 is a partial schematic view of a bearing outer race.
Fig. 4 is a partial schematic view of a bearing inner race.
Fig. 5 is a schematic view of a circlip.
In the figure: 1. bearing inner race, 101, outer retainer mounting groove, 2, outer retainer, 201, outer retainer lateral wall, 202, sealing washer mounting groove, 3, sealing washer, 4, interior retaining ring, 401, interior retaining ring lateral wall, 5, circlip, 6, bearing inner race, 601, interior retaining ring mounting groove, 602, circlip draw-in groove.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be noted that the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 5, a sealing structure for a large ball bearing includes: bearing inner race 1, outer retaining ring 2, bearing inner race 6, interior retaining ring 4, circlip 5 and sealing washer 3, 1 inside wall tip of bearing inner race be equipped with the outer retaining ring mounting groove 101 that is used for installing outer retaining ring 2, 6 outside wall tip of bearing inner race be equipped with the interior retaining ring mounting groove 601 that is used for installing interior retaining ring 4, the interior retaining ring mounting groove 601 outside is equipped with circlip draw-in groove 602, circlip 5 sets up including the retaining ring 4 outside is used for restriction and support interior retaining ring 4, the inboard of retaining ring 4 including outer retaining ring 2 sets up, interior retaining ring 4 terminal surface is parallel to each other with outer retaining ring 2 terminal surface, the outer loop border of outer retaining ring 2 is equipped with outer retaining ring lateral wall 201, inner retaining ring 4 outer loop border also is equipped with interior retaining ring lateral wall 401, be parallel to each other between outer retaining ring lateral wall 201 and the interior retaining ring lateral wall 401, be equipped with sealing washer 3 between the inboard of outer retaining ring lateral wall 201 and the outside of end face junction and interior retaining ring lateral wall 401 and the end face junction.
The position that is close to 1 terminal surface of bearing inner race in outer retainer ring mounting groove 101 bottom have the bulge, outer retainer ring 2 be annular structure, have the outer retainer ring lateral wall 201 of perpendicular to terminal surface at its outer annular edge, outer retainer ring lateral wall 201 is close to the tip position and inwards tightens up, the bulge that outer retainer ring lateral wall 201 inwards tightens up part and outer retainer ring mounting groove 101 has closely laminates, is equipped with the sealing washer mounting groove 202 that is used for installing sealing washer 3 in outer retainer ring lateral wall 201 and terminal surface junction inboard.
The inner retainer ring 4 is of an annular structure as a whole, the outer ring edge of the inner retainer ring is provided with an inner retainer ring side wall 401 perpendicular to the end face, a fillet is arranged on the outer side of the joint of the inner retainer ring side wall 401 and the end face, and a gap is formed between the fillet and the sealing ring 3.
The elastic check ring 5 is of an annular structure with an opening, the inner diameter of the elastic check ring 5 is matched with the groove depth of an elastic check ring clamping groove 602 arranged on the bearing inner ring 6, the outer diameter of the elastic check ring 5 is smaller than that of the inner check ring 4, and the outer diameter of the elastic check ring 5 is larger than or equal to one half of that of the inner check ring 4.
The inner diameter of the outer retainer ring 2 is less than or equal to two thirds of the outer diameter of the inner retainer ring 4, and the outer diameter of the outer retainer ring 3 is matched with the depth of the groove bottom of an outer retainer ring installation groove 101 arranged on the bearing outer ring 1.
The sealing ring 3 is an O-shaped sealing ring, and the sealing ring 3 is bonded in a sealing ring mounting groove 202 arranged on the outer retainer ring 2.
The utility model discloses in the use: the end part of the side wall 201 of the outer retainer ring is inwardly tightened to be tightly attached to the outer retainer ring mounting groove 101 arranged on the bearing outer ring 1, and the seal ring 3 is bonded in the seal ring mounting groove 202 and has a gap with a round angle arranged on the inner retainer ring 4. The clearance ensures that the outer retainer ring 2 and the sealing ring 3 rotate when the bearing outer ring 1 rotates, the inner retainer ring 4 is fixed, and no friction force exists between the inner retainer ring 4 and the outer retainer ring 2, so that the ball bearing is ensured to still maintain high rotating speed performance after the sealing structure is used. The elastic check ring 5 can be easily installed in the elastic check ring clamping groove 602 formed in the bearing inner ring 6 through the opening formed in the elastic check ring 5, the outer diameter of the adopted elastic check ring 5 is larger than or equal to one half of the outer diameter of the inner check ring 4, the end face of the inner check ring 4 is limited, the inner check ring 4 can be fixed on the bearing inner ring 6, the flexibility is increased through the material characteristics of the elastic check ring 5, and the service life of the sealing structure is prolonged.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. A seal structure for a large ball bearing comprising: bearing inner race (1), outer retainer ring (2), bearing inner race (6), interior retainer ring (4), circlip (5) and sealing washer (3), characterized by: bearing inner race (1) inside wall tip be equipped with outer retaining ring mounting groove (101) that are used for installing outer retaining ring (2), bearing inner race (6) lateral wall tip be equipped with interior retaining ring mounting groove (601) that are used for installing interior retaining ring (4), interior retaining ring mounting groove (601) outside is equipped with circlip draw-in groove (602), circlip (4) outside is used for restricting and supporting interior retaining ring (4) including circlip (5) set up, outer retaining ring (2) set up the inboard of retaining ring (4) including, interior retaining ring (4) terminal surface is parallel to each other with outer retaining ring (2) terminal surface, the outer loop border of outer retaining ring (2) is equipped with outer retaining ring lateral wall (201), interior retaining ring (4) outer loop border also is equipped with interior retaining ring lateral wall (401), be parallel to each other between outer retaining ring lateral wall (201) and interior retaining ring lateral wall (401) and the outside of end connection department, be equipped with sealing washer (3) between the inboard of outer retaining ring lateral wall (201) and the outside of end connection department and interior retaining ring lateral wall (401).
2. A sealing structure for a large ball bearing according to claim 1, wherein: the position that outer retainer ring mounting groove (101) bottom is close to bearing inner race (1) terminal surface have the bulge, outer retainer ring (2) be annular structure, have perpendicular to terminal surface's outer retainer ring lateral wall (201) on its outer ring limit edge, outer retainer ring lateral wall (201) are close to the tip position and inwards tighten up, the bulge that outer retainer ring lateral wall (201) inwards tighten up part and outer retaining ring mounting groove (101) have closely laminates, is equipped with sealing washer mounting groove (202) that are used for installing sealing washer (3) outside retaining ring lateral wall (201) and terminal surface junction inboard.
3. A sealing structure for a large ball bearing according to claim 1, wherein: the inner retainer ring (4) is of an annular structure as a whole, the outer ring edge of the inner retainer ring is provided with an inner retainer ring side wall (401) perpendicular to the end face, the outer side of the joint of the inner retainer ring side wall (401) and the end face is provided with a fillet, and a gap is formed between the fillet and the sealing ring (3).
4. A sealing structure for a large ball bearing according to claim 1, wherein: the elastic retainer ring (5) is of an annular structure with an opening, the inner diameter of the elastic retainer ring (5) is matched with the groove depth of an elastic retainer ring clamping groove (602) arranged on the bearing inner ring (6), the outer diameter of the elastic retainer ring (5) is smaller than the outer diameter of the inner retainer ring (4), and the outer diameter of the elastic retainer ring (5) is larger than or equal to one half of the outer diameter of the inner retainer ring (4).
5. A sealing structure for a large ball bearing according to claim 1, wherein: the inner diameter of the outer retainer ring (2) is less than or equal to two thirds of the outer diameter of the inner retainer ring (4), and the outer diameter of the outer retainer ring (2) is matched with the depth of the groove bottom of an outer retainer ring mounting groove (101) arranged on the bearing outer ring (1).
6. A sealing structure for a large ball bearing according to claim 2, wherein: the sealing ring (3) adopts an O-shaped sealing ring, and the sealing ring (3) is bonded in a sealing ring mounting groove (202) arranged on the outer retainer ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221971955.8U CN217977073U (en) | 2022-07-29 | 2022-07-29 | Sealing structure for large ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221971955.8U CN217977073U (en) | 2022-07-29 | 2022-07-29 | Sealing structure for large ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217977073U true CN217977073U (en) | 2022-12-06 |
Family
ID=84282056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221971955.8U Active CN217977073U (en) | 2022-07-29 | 2022-07-29 | Sealing structure for large ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217977073U (en) |
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2022
- 2022-07-29 CN CN202221971955.8U patent/CN217977073U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Patentee after: Luoyang Bearing Group Co.,Ltd. Country or region after: China Address before: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Patentee before: LUOYANG LYC BEARING Co.,Ltd. Country or region before: China |