CN212003977U - Bearing with inclined plane sealing structure - Google Patents
Bearing with inclined plane sealing structure Download PDFInfo
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- CN212003977U CN212003977U CN201921744145.7U CN201921744145U CN212003977U CN 212003977 U CN212003977 U CN 212003977U CN 201921744145 U CN201921744145 U CN 201921744145U CN 212003977 U CN212003977 U CN 212003977U
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- sealing ring
- bearing
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- line segment
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Abstract
The utility model relates to an inclined plane seal structure's bearing mainly includes bearing inner race, bearing inner circle and sealing washer mechanism, and sealing washer mechanism is located between bearing inner race and the bearing inner circle, and the line segment that the bearing inner circle is close to sealing washer mechanism department includes inner circle line segment I and inner circle line segment II, and inner circle line segment I and inner circle line segment II form the inclined plane structure of multistage formula. The utility model discloses profitable effect is: the utility model discloses the structure adopts the sealed seal structure that combines together of the two lips of inclined plane seal and sealing washer, strengthens bearing sealing performance, and inside the effectual external foreign matter (water, mud, dust) that prevents got into the bearing, prolonged the sealed life-span of bearing.
Description
Technical Field
The utility model relates to a bearing arrangement, especially a bearing of inclined plane seal structure.
Background
The sealing ring of the existing bearing sealing structure is sealed by a single lip, the main lip of the outer sealing ring mainly prevents most external foreign matters, such as silt, dust, moisture and the like, from entering the inside of the bearing, as the 1 st gateway, the extension lip of the inner sealing ring as the 2 nd gateway leaves the external foreign matters inside the bearing, the main lip of the inner sealing ring as the 3 rd gateway thoroughly prevents the external foreign matters from entering the inner ring line segment of the bearing inside the bearing, the sealing performance of the straight blocking edge is weaker, after external muddy water breaks through the 1 st gateway and the 2 nd gateway, the sealing performance of the inner sealing ring is not enough insurance, and the sealing effect is not good.
Disclosure of Invention
The utility model discloses solve above-mentioned prior art's shortcoming, provide a simple structure, sealed better inclined plane seal structure's bearing.
The utility model provides a technical scheme that its technical problem adopted: the bearing with the inclined plane sealing structure mainly comprises a bearing outer ring, a bearing inner ring and a sealing ring mechanism, wherein the sealing ring mechanism is positioned between the bearing outer ring and the bearing inner ring, a line segment of the bearing inner ring, which is close to the sealing ring mechanism, comprises an inner ring line segment I and an inner ring line segment II, and the inner ring line segment I and the inner ring line segment II form a multi-section inclined plane structure.
The sealing ring mechanism is a single-layer bearing sealing ring, a sealing ring main lip and a sealing ring auxiliary lip are arranged on the single-layer bearing sealing ring, the sealing ring main lip is in contact with the inner ring line segment II, the sealing ring auxiliary lip is close to the inner ring line segment I, a gap is reserved between the sealing ring auxiliary lip and the inner ring line segment I, and the sealing ring main lip, the sealing ring auxiliary lip, the inner ring line segment I and the inner ring line segment II form a labyrinth sealing space.
And a sealing ring pressure reduction groove is formed in the single-layer bearing sealing ring close to the main lip of the sealing ring.
The sealing ring mechanism is composed of an outer sealing ring and an inner sealing ring, an outer sealing ring main lip is arranged on the outer sealing ring, an inner sealing ring main lip, an inner sealing ring auxiliary lip and an inner sealing ring extension lip are arranged on the inner sealing ring, the inner sealing ring main lip is in contact with an inner ring line segment II, the inner sealing ring auxiliary lip is close to the inner ring line segment I, a gap is reserved between the inner sealing ring main lip and the inner ring line segment I, the inner ring line segment I and the inner ring line segment II form a bearing inner ring inclined plane sealing groove, and the inner sealing ring main lip, the inner sealing ring auxiliary lip and.
The inner side of the inner-layer sealing ring is a bearing cavity.
And the inclination angle of the inner ring line segment II is 17 +/-3 degrees.
The single-layer bearing sealing ring, the outer-layer sealing ring and the inner-layer sealing ring are all composed of an inner sealing ring framework and an outer sealing ring rubber.
The utility model discloses profitable effect is: the utility model discloses the structure adopts the sealed seal structure that combines together of the two lips of inclined plane seal and sealing washer, strengthens bearing sealing performance, and inside the effectual external foreign matter (water, mud, dust) that prevents got into the bearing, prolonged the sealed life-span of bearing.
Drawings
Fig. 1 is a schematic view of a single-layer sealing structure of the present invention;
fig. 2 is a schematic view of the double-layer sealing structure of the present invention.
Description of reference numerals: the bearing comprises a bearing outer ring 1, a bearing inner ring 2, an inner ring line segment I2-1, an inner ring line segment II 2-2, a single-layer bearing sealing ring 3, a sealing ring main lip 4, a sealing ring auxiliary lip 5, a sealing ring pressure reduction groove 6, an outer sealing ring 7, an inner sealing ring 8, an inner sealing ring main lip 9, an inner sealing ring auxiliary lip 10, an inner sealing ring extension lip 11, a bearing inner ring inclined plane sealing groove 12, a bearing cavity 13, an outer sealing ring main lip 14, a sealing ring framework 15 and external sealing ring rubber 16.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in the figure, the bearing with the inclined plane sealing structure mainly comprises a bearing outer ring 1, a bearing inner ring 2 and a sealing ring mechanism, wherein the sealing ring mechanism is positioned between the bearing outer ring 1 and the bearing inner ring 2, the line segment of the bearing inner ring 2 close to the sealing ring mechanism comprises an inner ring line segment I2-1 and an inner ring line segment II 2-2, and the inner ring line segment I2-1 and the inner ring line segment II 2-2 form a multi-section inclined plane structure. The inclination angle of the inner circle line segment II 2-2 is 17 +/-3 degrees.
The sealing ring mechanism is a single-layer bearing sealing ring 3, a sealing ring main lip 4 and a sealing ring auxiliary lip 5 are arranged on the single-layer bearing sealing ring 3, the sealing ring main lip 4 is in contact with an inner ring line segment II 2-2, the sealing ring auxiliary lip 5 is close to the inner ring line segment I2-1, a gap is reserved between the sealing ring auxiliary lip 5 and the inner ring line segment I (2-1), and the sealing ring main lip 4, the sealing ring auxiliary lip 5, the inner ring line segment I2-1 and the inner ring line segment II 2-2 form a labyrinth sealing space. And a sealing ring pressure reduction groove 6 is arranged on the single-layer bearing sealing ring 3 close to the sealing ring main lip 4.
In the case where the bearing is well sealed externally, a single-layer bevel seal structure is used independently. Grease can be stored in the labyrinth seal space, prevent that external foreign matter from getting into inside the bearing to can prevent the inside grease outflow of bearing.
The sealing ring mechanism is composed of an outer sealing ring 7 and an inner sealing ring 8, an outer sealing ring main lip 14 is arranged on the outer sealing ring 7, an inner sealing ring main lip 9, an inner sealing ring auxiliary lip 10 and an inner sealing ring extension lip 11 are arranged on the inner sealing ring 8, the inner sealing ring main lip 9 is in contact with an inner ring line segment II 2-2, the inner sealing ring auxiliary lip 10 is close to the inner ring line segment I2-1 and is spaced from the inner ring line segment I2-1, a bearing inner ring inclined plane sealing groove 12 is formed by the inner ring line segment I2-1 and the inner ring line segment II 2-2, and the inner sealing ring main lip 9, the inner sealing ring auxiliary lip 10 and the bearing inner ring inclined plane sealing. The inner side of the inner layer sealing ring 8 is a bearing cavity 13.
The single-layer bearing sealing ring 3, the outer-layer sealing ring 7 and the inner-layer sealing ring 8 are all composed of an inner sealing ring framework 15 and an outer sealing ring rubber 16.
When water and foreign matters exist outside the bearing, the outer sealing ring 7 is additionally arranged for combined use, the inner sealing ring 8 expands the inner sealing ring extending lip 11 to form a double-layer inclined plane sealing structure, and the waterproof performance is better.
The outer sealing washer prevents 7 that foreign matters such as the outside silt of the overwhelming majority, water from getting into inside the bearing, becomes 1 st pass of gate, and inside inner sealing washer extension lip 11 got into the bearing as the surplus outside foreign matter of 2 nd pass of gate, the vice lip 10 of inner sealing washer and bearing inner race inclined plane seal groove 12 formation labyrinth seal of inner sealing washer main lip 9 and inner sealing washer, as 3 rd pass of gate thoroughly prevent that outside foreign matter from getting into inside the bearing.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (5)
1. The utility model provides a bearing of inclined plane seal structure, mainly includes bearing inner race (2) and sealing washer mechanism, characterized by: the sealing ring mechanism is positioned between the bearing outer ring (1) and the bearing inner ring (2), the line section of the bearing inner ring (2) close to the sealing ring mechanism comprises an inner ring line section I (2-1) and an inner ring line section II (2-2), and the inner ring line section I (2-1) and the inner ring line section II (2-2) form a multi-section inclined plane structure;
the sealing ring mechanism is a single-layer bearing sealing ring (3), a sealing ring main lip (4) and a sealing ring auxiliary lip (5) are arranged on the single-layer bearing sealing ring (3), the sealing ring main lip (4) is in contact with an inner ring line segment II (2-2), the sealing ring auxiliary lip (5) is close to the inner ring line segment I (2-1), a gap is reserved between the sealing ring auxiliary lip and the inner ring line segment I (2-1), and the sealing ring main lip (4), the sealing ring auxiliary lip (5), the inner ring line segment I (2-1) and the inner ring line segment II (2-2) form a labyrinth sealing space;
the sealing ring mechanism is composed of an outer sealing ring (7) and an inner sealing ring (8), an outer sealing ring main lip (14) is arranged on the outer sealing ring (7), an inner sealing ring main lip (9) is arranged on the inner sealing ring (8), an inner sealing ring auxiliary lip (10) and an inner sealing ring extension lip (11) are arranged on the inner sealing ring auxiliary lip (10), the inner sealing ring main lip (9) is in contact with an inner ring line segment II (2-2), the inner sealing ring auxiliary lip (10) is close to an inner ring line segment I (2-1), a gap is reserved between the inner sealing ring auxiliary lip and the inner ring line segment I (2-1), the inner ring line segment I (2-1) and the inner ring line segment II (2-2) form a bearing inner ring inclined plane sealing groove (12), and the inner sealing ring main lip (9), the inner sealing ring auxiliary.
2. The bevel seal structure bearing according to claim 1, wherein: and a sealing ring decompression groove (6) is arranged on the single-layer bearing sealing ring (3) close to the sealing ring main lip (4).
3. The bevel seal structure bearing according to claim 1, wherein: and a bearing cavity (13) is formed in the inner side of the inner-layer sealing ring (8).
4. The bevel seal structure bearing according to claim 1, wherein: the inclination angle of the inner ring line segment II (2-2) is 17 +/-3 degrees.
5. The bevel seal structure bearing according to claim 1, wherein: the single-layer bearing sealing ring (3), the outer-layer sealing ring (7) and the inner-layer sealing ring (8) are all composed of an inner sealing ring framework (15) and an outer sealing ring rubber (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921744145.7U CN212003977U (en) | 2019-10-17 | 2019-10-17 | Bearing with inclined plane sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921744145.7U CN212003977U (en) | 2019-10-17 | 2019-10-17 | Bearing with inclined plane sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212003977U true CN212003977U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921744145.7U Active CN212003977U (en) | 2019-10-17 | 2019-10-17 | Bearing with inclined plane sealing structure |
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| Country | Link |
|---|---|
| CN (1) | CN212003977U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116241569A (en) * | 2023-05-12 | 2023-06-09 | 合肥通用机械研究院有限公司 | Horizontal bearing sealing structure |
-
2019
- 2019-10-17 CN CN201921744145.7U patent/CN212003977U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116241569A (en) * | 2023-05-12 | 2023-06-09 | 合肥通用机械研究院有限公司 | Horizontal bearing sealing structure |
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