CN215980491U - Sealing device of outer spherical surface bearing - Google Patents
Sealing device of outer spherical surface bearing Download PDFInfo
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- CN215980491U CN215980491U CN202122733637.XU CN202122733637U CN215980491U CN 215980491 U CN215980491 U CN 215980491U CN 202122733637 U CN202122733637 U CN 202122733637U CN 215980491 U CN215980491 U CN 215980491U
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Abstract
The utility model discloses a sealing device of an outer spherical bearing, which relates to the technical field of outer spherical bearings and comprises an inner ring, wherein the surface of the inner ring is sleeved with an outer ring, a plurality of rolling balls are arranged between the inner ring and the outer ring, a plurality of mounting holes are formed in the surface of the inner ring and positioned on two sides of the outer ring, a third annular groove is formed in the inner wall of the outer ring, an outer sealing sleeve is sleeved on the surface of the inner ring, and an outer fixing ring is sleeved on the surface of the inner ring. This sealing device of spherical outside surface bearing, through the cotton ring that absorbs water that sets up on the external seal cover, avoid steam to enter into the inboard of inner circle and outer lane from the gap between outer lane and the external seal cover and lead to the fact the influence to it, utilize the external seal cover to carry out the first layer to the inboard of inner circle and outer lane sealed, carry out the second layer through the inner seal circle and seal to spin pivoted region, utilize the double-deck sealed effect that improves external spherical bearing.
Description
Technical Field
The utility model relates to the technical field of an outer spherical bearing, in particular to a sealing device of the outer spherical bearing.
Background
The outer spherical bearing is a variant of a deep groove ball bearing, the outer diameter surface of the outer ring of the outer spherical bearing is a spherical surface and can be matched with a corresponding concave spherical surface of a bearing seat to play a role in aligning, the outer spherical bearing is mainly used for bearing radial and axial combined loads mainly comprising radial loads and generally is not suitable for bearing axial loads independently, when the outer spherical bearing is used in environments with more dust, water vapor and the like, the sealing requirement on the outer spherical bearing is higher so as to prevent impurities from entering a rotating area of an inner rolling ball to influence the service life of the inner rolling ball, but the existing outer spherical bearing has poor sealing effect, and a sealing ring of the outer spherical bearing is abraded after the outer spherical bearing is used for a long time to cause poor sealing effect.
SUMMERY OF THE UTILITY MODEL
In view of the deficiencies of the prior art, the present invention provides a sealing device for an insert bearing, which solves the problems set forth in the background art.
In order to achieve the purpose, the utility model is realized by the following technical scheme: a sealing device of an outer spherical bearing comprises an inner ring, wherein an outer ring is sleeved on the surface of the inner ring, a plurality of rolling balls are arranged between the inner ring and the outer ring, a plurality of mounting holes are formed in the surface of the inner ring and positioned on two sides of the outer ring, a third annular groove is formed in the inner wall of the outer ring, an outer sealing sleeve is sleeved on the surface of the inner ring, an outer fixing ring is sleeved on the surface of the inner ring, a fourth annular groove is formed in the side surface of the outer fixing ring, a non-slip mat is arranged on the inner wall of the outer fixing ring, the inner wall of the non-slip mat is in contact with the surface of the inner ring, a second boss is arranged on the outer wall of the outer sealing sleeve, one end of the second boss extends to the inner cavity of the third annular groove, a third supporting ball is clamped in the inner cavity of the third annular groove, the surface of the third supporting ball is in contact with the inner wall of the third annular groove, a mounting groove is formed in the outer wall of the outer sealing sleeve, and a water absorption cotton ring is sleeved in the inner cavity of the mounting groove, one side of external seal cover is provided with first boss, the one end of first boss extends to the inner chamber of fourth annular, the installation lid has been cup jointed to the top screw thread of mounting hole inner chamber, the inner chamber of mounting hole is provided with the spring, the top fixedly connected with backing pin of spring, the one end of backing pin runs through the outside that the installation lid extends to the inner circle, the side of backing pin is laminated mutually with external fixation ring's side.
Preferably, first annular has been seted up on the surface of inner circle, the second annular has been seted up to the inner wall of outer lane, be provided with the inner seal circle between first annular and the second annular, the side of inner seal circle is laminated with the lateral wall of second annular and first annular respectively mutually, the outer wall joint of inner seal circle has a plurality of second to support the ball, the second supports the surface of ball and contacts with the inner wall of second annular, the inner wall joint of inner seal circle has the first support ball of a plurality of, the surface of first support ball contacts with the inner wall of first annular, the inside of inner seal circle is provided with the aluminium system reinforcing plate, the medial surface of inner seal circle is provided with the magnet crown plate.
Preferably, a weight reduction groove is formed in the outer sealing sleeve, and an inner water absorption cotton plate is arranged on the inner side surface of the outer sealing sleeve.
Preferably, the inner wall of the outer sealing sleeve is clamped with a plurality of fourth supporting balls, and the surfaces of the fourth supporting balls are in contact with the surface of the inner ring.
Preferably, the side surface of the second boss is attached to the side wall of the third ring groove.
Preferably, the side surface of the first boss is attached to the inner wall of the fourth ring groove.
Preferably, the surface of the mounting cover is flush with the surface of the inner ring.
The utility model provides a sealing device of an outer spherical bearing, which has the following beneficial effects:
1. this sealing device of spherical outside bearing, through the cotton ring that absorbs water that sets up on the external seal cover, avoid steam to enter into the inboard of inner circle and outer lane from the gap between outer lane and the external seal cover and cause the influence to it, utilize the external seal cover to carry out the first layer to the inboard of inner circle and outer lane sealed, it is sealed to carry out the second floor to spin pivoted region through the inner seal circle, utilize double-deck sealed to improve the sealed effect to spherical outside bearing, when the external seal cover that is located the outside takes place wearing and tearing and reduce sealed effect after spherical outside bearing uses for a long time, press down the backing pin and remove the fixed of solid fixed ring outside, outwards extract solid fixed ring and external seal cover, so that the external seal cover changes, the convenience of this spherical outside bearing's sealing device has been improved.
2. This sealing device of spherical outside surface bearing, through the magnet ring board to the inner circle, relative rotation and the scrap iron bits that produce between outer lane and the spin attract, avoid the scrap iron bits to persist at the inner circle, the inner circle is accelerated to the persistence between outer lane and the spin, the wearing and tearing of outer lane and spin, the practicality of this sealing device of spherical outside surface bearing has been improved, in addition through first support ball, the second supports the ball, fourth support ball and third support ball's use, increase the rotation smoothness nature of inner seal circle and external seal cover between inner circle and outer lane, avoid inner seal circle and external seal cover to bring the influence to the rotation of bearing in the inboard of inner circle and outer lane, the operating mass of this sealing device of spherical outside surface bearing has been improved.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the construction of the inner ring of the present invention;
FIG. 4 is a schematic cross-sectional view of an outer seal of the present invention;
FIG. 5 is an enlarged schematic view of the utility model at A in FIG. 1;
FIG. 6 is an enlarged view of the point B in FIG. 1.
In the figure: 1. an inner ring; 2. an outer ring; 3. rolling a ball; 4. an outer sealing sleeve; 5. a weight reduction groove; 6. an outer fixing ring; 7. mounting holes; 8. a first ring groove; 9. mounting grooves; 10. a first boss; 11. a second boss; 12. a third support ball; 13. a fourth support ball; 14. a water absorbing cotton board; 15. a second ring groove; 16. a third ring groove; 17. a water-absorbing cotton ring; 18. a first support ball; 19. a second support ball; 20. an inner seal ring; 21. a magnet ring plate; 22. an aluminum reinforcing plate; 23. a spring; 24. installing a cover; 25. a stop pin; 26. a fourth ring groove; 27. a non-slip mat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 6, the present invention provides a technical solution: a sealing device of an outer spherical bearing comprises an inner ring 1, an outer ring 2 is sleeved on the surface of the inner ring 1, a plurality of rolling balls 3 are arranged between the inner ring 1 and the outer ring 2, a plurality of mounting holes 7 are formed in the surface of the inner ring 1 and positioned on two sides of the outer ring 2, a third annular groove 16 is formed in the inner wall of the outer ring 2, an outer sleeve 4 is sleeved on the surface of the inner ring 1, a lightening groove 5 is formed in the inner part of the outer sleeve 4, the weight of the outer sleeve 4 is lightened through the lightening groove 5, the influence on the outer spherical bearing caused by the overlarge weight of the outer sleeve 4 is avoided, an inner water-absorbing cotton plate 14 is arranged on the inner side surface of the outer sleeve 4, a plurality of fourth supporting balls 13 are clamped on the inner wall of the outer sleeve 4, the surfaces of the fourth supporting balls 13 are in contact with the surface of the inner ring 1, an outer fixing ring 6 is sleeved on the surface of the inner ring 1, a fourth annular groove 26 is formed in the side surface of the outer fixing ring 6, the inner wall of the outer fixing ring 6 is provided with a non-slip mat 27, the inner wall of the non-slip mat 27 is contacted with the surface of the inner ring 1, the outer wall of the outer sealing sleeve 4 is provided with a second boss 11, one end of the second boss 11 extends to the inner cavity of the third ring groove 16 and is connected with a third supporting ball 12 in a clamping manner, the surface of the third supporting ball 12 is contacted with the inner wall of the third ring groove 16, the side surface of the second boss 11 is jointed with the side wall of the third ring groove 16, the outer wall of the outer sealing sleeve 4 is provided with a mounting groove 9, the inner cavity of the mounting groove 9 is sleeved with a water-absorbing cotton ring 17, water vapor entering the gap between the inner ring 1 and the outer sealing sleeve 4 is absorbed through the water-absorbing cotton ring 17, one side of the outer sealing sleeve 4 is provided with a first boss 10, one end of the first boss 10 extends to the inner cavity of the fourth ring groove 26, the side surface of the first boss 10 is jointed with the inner wall of the fourth ring groove 26, the top thread of the inner cavity of the mounting hole 7 is sleeved with a mounting cover 24, the surface of the mounting cover 24 is flush with the surface of the inner ring 1, a spring 23 is arranged in an inner cavity of the mounting hole 7, a stop pin 25 is fixedly connected to the top of the spring 23, one end of the stop pin 25 penetrates through the mounting cover 24 and extends to the outside of the inner ring 1, the side surface of the stop pin 25 is attached to the side surface of the outer fixing ring 6, a first annular groove 8 is formed in the surface of the inner ring 1, a second annular groove 15 is formed in the inner wall of the outer ring 2, an inner sealing ring 20 is arranged between the first annular groove 8 and the second annular groove 15, the outer sealing sleeve 4 and the inner sealing ring 20 are both made of rubber materials, the side surface of the inner sealing ring 20 is respectively attached to the second annular groove 15 and the side wall of the first annular groove 8 to increase the sealing performance, a plurality of second supporting balls 19 are clamped to the outer wall of the inner sealing ring 20, the surface of the second supporting balls 19 is in contact with the inner wall of the second annular groove 15, a plurality of first supporting balls 18 are clamped to the inner wall of the inner sealing ring 20, the surface of first support ball 18 contacts with the inner wall of first annular 8, utilize the cooperation of first support ball 18 and second support ball 19 to use, reduce the smoothness nature of relative pivoted between inner circle 20 and inner circle 1 and the outer lane 2, guarantee that inner circle 20 can not bring the influence to the rotation between inner circle 1 and the outer lane 2, the inside of inner circle 20 is provided with aluminium system reinforcing plate 22, strengthen inner circle 20's intensity through aluminium system reinforcing plate 22, prevent that inner circle 20 from taking place to warp, the medial surface of inner circle 20 is provided with magnet ring board 21, attract inner circle 1 through magnet ring board 21, the scrap iron that produces is rotated relatively between outer lane 2 and the spin 3, avoid scrap iron to persist between inner circle 1, outer lane 2 and spin 3 and accelerate inner circle 1, the wearing and tearing of outer lane 2 and spin 3.
To sum up, when the sealing device of the insert bearing is used, firstly, two inner sealing rings 20 are clamped at the inner sides of the inner ring 1 and the outer ring 2 from the two sides of the inner ring 1, the outer wall of the inner sealing ring 20 is clamped into the inner cavity of the second ring groove 15, the inner wall of the inner sealing ring 20 is clamped into the inner cavity of the first ring groove 8, the side surfaces of the inner sealing ring 20 are respectively jointed with the second ring groove 15 and the first ring groove 8 to realize the sealing of the second layer in the outer spherical bearing, then the outer sealing sleeve 4 is sleeved on the inner ring 1, the second boss 11 is inserted into the inner cavity of the third ring groove 16, then the outer fixing ring 6 is sleeved on the inner ring 1, the first boss 10 is inserted into the fourth ring groove 26 at the inner side of the outer fixing ring 6, the stop pin 25 is pushed by the elasticity of the spring 23, the inner side surface of the stop pin 25 is jointed with the outer side surface of the outer fixing ring 6, and the outer fixing ring 6 is fixed by the stop pin 25, therefore, the outer sealing sleeve 4 is fixed through the outer fixing ring 6, the inner sides of the inner ring 1 and the outer ring 2 are sealed through the outer sealing sleeve 4 in a first layer, when the outer sealing sleeve 4 located on the outer side is worn after the outer spherical bearing is used for a long time and the sealing effect is reduced, the stop pin 25 is pressed downwards to remove the fixation of the outer fixing ring 6, the outer fixing ring 6 and the outer sealing sleeve 4 are pulled outwards, and the outer sealing sleeve 4 is replaced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. A sealing arrangement for an insert bearing, comprising an inner ring (1), characterized in that: the surface of the inner ring (1) is sleeved with the outer ring (2), a plurality of rolling balls (3) are arranged between the inner ring (1) and the outer ring (2), a plurality of mounting holes (7) are formed in the surface of the inner ring (1) and located on two sides of the outer ring (2), a third annular groove (16) is formed in the inner wall of the outer ring (2), an outer sealing sleeve (4) is sleeved on the surface of the inner ring (1), an outer fixing ring (6) is sleeved on the surface of the inner ring (1), a fourth annular groove (26) is formed in the side face of the outer fixing ring (6), a non-slip mat (27) is arranged on the inner wall of the outer fixing ring (6), the inner wall of the non-slip mat (27) is in contact with the surface of the inner ring (1), a second boss (11) is arranged on the outer wall of the outer sealing sleeve (4), one end of the second boss (11) extends to an inner cavity of the third annular groove (16) and is clamped with a third support ball (12), the surface of third support ball (12) contacts with the inner wall of third annular (16), mounting groove (9) have been seted up to the outer wall of external seal cover (4), cotton ring (17) absorb water have been cup jointed to the inner chamber of mounting groove (9), one side of external seal cover (4) is provided with first boss (10), the one end of first boss (10) extends to the inner chamber of fourth annular (26), the top screw thread of mounting hole (7) inner chamber has cup jointed installation lid (24), the inner chamber of mounting hole (7) is provided with spring (23), the top fixedly connected with backing pin (25) of spring (23), the one end of backing pin (25) runs through the outside that installation lid (24) extended to inner circle (1), the side of backing pin (25) is laminated with the side of external fixation ring (6).
2. A sealing device for an insert bearing according to claim 1, wherein: the surface of the inner ring (1) is provided with a first ring groove (8), the inner wall of the outer ring (2) is provided with a second ring groove (15), an inner sealing ring (20) is arranged between the first ring groove (8) and the second ring groove (15), the side surface of the inner sealing ring (20) is respectively attached to the side walls of the second ring groove (15) and the first ring groove (8), the outer wall of the inner sealing ring (20) is clamped with a plurality of second supporting balls (19), the surface of the second support ball (19) is in contact with the inner wall of the second ring groove (15), the inner wall of the inner sealing ring (20) is clamped with a plurality of first supporting balls (18), the surface of the first supporting ball (18) is contacted with the inner wall of the first ring groove (8), an aluminum reinforcing plate (22) is arranged inside the inner sealing ring (20), and a magnet ring plate (21) is arranged on the inner side surface of the inner sealing ring (20).
3. A sealing device for an insert bearing according to claim 1, wherein: the inner side of the outer sealing sleeve (4) is provided with an inner water-absorbing cotton plate (14).
4. A sealing device for an insert bearing according to claim 1, wherein: the inner wall of the outer sealing sleeve (4) is clamped with a plurality of fourth supporting balls (13), and the surfaces of the fourth supporting balls (13) are in contact with the surface of the inner ring (1).
5. A sealing device for an insert bearing according to claim 1, wherein: the side surface of the second boss (11) is attached to the side wall of the third annular groove (16).
6. A sealing device for an insert bearing according to claim 1, wherein: the side surface of the first boss (10) is attached to the inner wall of the fourth annular groove (26).
7. A sealing device for an insert bearing according to claim 1, wherein: the surface of the mounting cover (24) is flush with the surface of the inner ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122733637.XU CN215980491U (en) | 2021-11-04 | 2021-11-04 | Sealing device of outer spherical surface bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122733637.XU CN215980491U (en) | 2021-11-04 | 2021-11-04 | Sealing device of outer spherical surface bearing |
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| Publication Number | Publication Date |
|---|---|
| CN215980491U true CN215980491U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122733637.XU Active CN215980491U (en) | 2021-11-04 | 2021-11-04 | Sealing device of outer spherical surface bearing |
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| CN (1) | CN215980491U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658760A (en) * | 2022-05-10 | 2022-06-24 | 昆山群达隆精密电子有限公司 | Spherical outside surface bearing with excellent anti-creep performance |
-
2021
- 2021-11-04 CN CN202122733637.XU patent/CN215980491U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658760A (en) * | 2022-05-10 | 2022-06-24 | 昆山群达隆精密电子有限公司 | Spherical outside surface bearing with excellent anti-creep performance |
| CN114658760B (en) * | 2022-05-10 | 2024-05-07 | 昆山群达隆精密电子有限公司 | Outer spherical bearing with excellent anti-creep performance |
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