CN214036529U - Sealed ball bearing is used to generator - Google Patents
Sealed ball bearing is used to generator Download PDFInfo
- Publication number
- CN214036529U CN214036529U CN202023293075.3U CN202023293075U CN214036529U CN 214036529 U CN214036529 U CN 214036529U CN 202023293075 U CN202023293075 U CN 202023293075U CN 214036529 U CN214036529 U CN 214036529U
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- China
- Prior art keywords
- ring
- rotating
- rotating ring
- wall
- ball bearing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of ball bearings, and discloses a ball bearing with a seal for a generator, which comprises an inner ring, an outer ring, balls and a retainer, wherein seal structures are arranged between the inner ring and the outer ring and on two sides of the balls; seal structure includes first closing plate, second closing plate and rotating ring, first closing plate is fixed to be set up on the outer wall of inner circle, the second closing plate is fixed to be set up on the inner wall of outer lane, the ring channel has been seted up to the inside wall of second closing plate, the fixed elastic telescopic rod that is equipped with evenly distributed in inside of ring channel, the rotating ring is located the inside of ring channel, the one end that the ring channel was kept away from to a plurality of elastic telescopic rods all with the circumference wall fixed connection of rotating ring, the rotating groove with rotating ring matched with has been seted up to the outside circumference wall of first closing plate. The utility model discloses both sides between inner circle and outer lane all are provided with elasticity rotation seal structure, have improved antifriction bearing's rotation leakproofness to antifriction bearing's life has been guaranteed.
Description
Technical Field
The utility model relates to a ball bearing technical field especially relates to a generator is with having sealed ball bearing.
Background
In generators, such as generators for powering the electrical systems of an aircraft, the generators are connected to the main engines of the aircraft by a drive shaft. The drive shaft is connected to a rotor assembly of the generator by a rotor shaft. A rotor assembly is mounted on the rotor shaft and rotates within the stator assembly. The rotor shaft is supported for rotation in the generator housing using ball bearing assemblies.
When the existing ball bearing is used, along with the long-term relative rotation of the inner ring and the outer ring of the ball bearing, the phenomenon of abrasion clearance can be generated, so that the sealing performance is reduced, and the service life of the ball bearing is shortened. Therefore, the utility model provides a generator is with having sealed ball bearing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art ball bearing when using, along with the long-term relative rotation of ball bearing inside and outside lane, can produce the phenomenon in wearing and tearing clearance to lead to sealing performance to descend, reduce ball bearing's life's problem, and the generator that proposes is with having sealed ball bearing.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a ball bearing with a seal for a generator comprises an inner ring, an outer ring, balls and a retainer, wherein a seal structure is arranged between the inner ring and the outer ring and positioned on two sides of the balls;
the sealing structure comprises a first sealing plate, a second sealing plate and a rotating ring, wherein the first sealing plate is fixedly arranged on the outer wall of the inner ring, the second sealing plate is fixedly arranged on the inner wall of the outer ring, the annular groove is formed in the inner side wall of the second sealing plate, elastic telescopic rods which are uniformly distributed are fixedly arranged in the annular groove, the rotating ring is located in the annular groove and is multiple, one end, far away from the annular groove, of each elastic telescopic rod is fixedly connected with the circumferential wall of the rotating ring, a rotating groove matched with the rotating ring is formed in the outer circumferential wall of the first sealing plate, the outer circumferential wall of the rotating ring is arranged on the left side and the right side of the elastic telescopic rods, and elastic sealing pieces are arranged on the upper side and the lower side of each elastic sealing piece and fixedly connected with the groove bottom of the annular groove and the outer circumferential wall of the rotating ring respectively.
Preferably, the elasticity telescopic link includes sleeve, carriage release lever and spring, the sleeve is fixed to be set up in the tank bottom department of ring channel, the carriage release lever slides and sets up in telescopic inside, spring and telescopic inner wall fixed connection are passed through to the one end of carriage release lever, the other end of carriage release lever extend to telescopic outside and with the outside circumference wall fixed connection of swivel becket.
Preferably, the cross-sectional end surface of the rotating ring is of a trapezoidal structure, and the cross-sectional end surface of the rotating groove is of a trapezoidal structure.
Preferably, the elastic sealing piece is made of a rubber material.
Preferably, the outer side of the rotating ring is arranged to extend to the outer part of the rotating groove, and the outer diameter of the rotating ring is larger than that of the rotating groove.
Preferably, the first sealing plate, the second sealing plate and the rotating ring are all made of wear-resistant steel.
Compared with the prior art, the utility model provides a generator is with having sealed ball bearing possesses following beneficial effect:
this generator is with having sealed ball bearing, through the first closing plate that is equipped with, the second closing plate, the swivel becket, the elasticity telescopic link, elasticity gasket and rotation groove, when the rotation groove on swivel becket and the first closing plate is when wearing and tearing appear rotating for a long time, because the lateral wall on the swivel becket is provided with the elasticity telescopic link, and the outside diameter of swivel becket is greater than the outside diameter of rotation groove, thereby can exert external force and guarantee the sealed laminating rotation between swivel becket and the rotation groove for the swivel becket, and then the leakproofness between inner circle and the outer lane has been improved.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses both sides between inner circle and outer lane all are provided with elasticity rotation seal structure, have improved antifriction bearing's rotation leakproofness to antifriction bearing's life has been guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a ball bearing with a seal for a generator according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a schematic structural view of the elastic telescopic rod in fig. 2.
In the figure: 1 inner ring, 2 outer rings, 3 balls, 4 retainers, 5 first sealing plates, 6 second sealing plates, 7 rotating rings, 8 elastic telescopic rods, 9 elastic sealing sheets, 10 rotating grooves, 11 sleeves, 12 moving rods and 13 springs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a ball bearing with a seal for a generator includes an inner ring 1, an outer ring 2, balls 3 and a retainer 4, wherein a seal structure is provided between the inner ring 1 and the outer ring 2 and on both sides of the balls 3;
the sealing arrangement comprises a first sealing plate 5, second closing plate 6 and rotating ring 7, first closing plate 5 is fixed to be set up on the outer wall of inner circle 1, second closing plate 6 is fixed to be set up on the inner wall of outer lane 2, the ring channel has been seted up to the inside wall of second closing plate 6, the fixed elastic telescopic rod 8 that is equipped with evenly distributed of inside of ring channel, rotating ring 7 is located the inside of ring channel, the one end that the ring channel was kept away from to a plurality of elastic telescopic rod 8 all with rotating ring 7's circumference wall fixed connection, rotating groove 10 with rotating ring 7 matched with has been seted up to the outside circumference wall of first closing plate 5, the outside circumference wall of rotating ring 7 just is located the left and right sides of elastic telescopic rod 8 and all is equipped with elastic sealing piece 9, elastic sealing piece 9 adopts the rubber material to make, can guarantee the leakproofness between rotating ring 7 and the ring channel, elastic sealing piece 9's upper and lower both sides respectively with the tank bottom department of ring channel and rotating ring 7's the outside circumference wall fixed connection.
Elastic telescopic rod 8 includes sleeve 11, carriage bar 12 and spring 13, and sleeve 11 is fixed to be set up in the tank bottom department of ring channel, and carriage bar 12 slides and sets up in the inside of sleeve 11, and spring 13 and sleeve 11's inner wall fixed connection are passed through to carriage bar 12's one end, and the other end of carriage bar 12 extends to the outside of sleeve 11 and with swivel 7's outside circumference wall fixed connection.
The cross section end face of the rotating ring 7 is in a trapezoidal structure, and the cross section end face of the rotating groove 10 is in a trapezoidal structure.
The outer side of the rotating ring 7 is arranged to extend to the outer part of the rotating groove 10, and the outer diameter of the rotating ring 7 is larger than that of the rotating groove 10.
The first sealing plate 5, the second sealing plate 6 and the rotating ring 7 are all made of wear-resistant steel.
The utility model discloses in, when inner circle 1 and outer lane 2 rotate the during operation for a long time, wearing and tearing can appear between the rotation groove 10 on swivel ring 7 and the first closing plate 5, because the lateral wall on swivel ring 7 is provided with elasticity telescopic link 8, and elasticity telescopic link 8 is by sleeve 11, carriage release lever 12 and spring 13 are constituteed, can apply external force for swivel ring 7 and make swivel ring 7 take place the feed volume, thereby guarantee that swivel ring 7 and rotation groove 10 between sealed laminating rotate, simultaneously because swivel ring 7's outside diameter is greater than the outside diameter of rotation groove 10, and then improved the leakproofness between inner circle 1 and the outer lane 2, and both sides between inner circle 1 and outer lane 2 all are provided with elasticity rotation seal structure, antifriction bearing's rotation leakproofness has been improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A ball bearing with a seal for a generator comprises an inner ring (1), an outer ring (2), balls (3) and a retainer (4), and is characterized in that a seal structure is arranged between the inner ring (1) and the outer ring (2) and positioned on two sides of the balls (3);
the sealing structure comprises a first sealing plate (5), a second sealing plate (6) and a rotating ring (7), wherein the first sealing plate (5) is fixedly arranged on the outer wall of the inner ring (1), the second sealing plate (6) is fixedly arranged on the inner wall of the outer ring (2), the inner side wall of the second sealing plate (6) is provided with an annular groove, elastic telescopic rods (8) which are uniformly distributed are fixedly arranged inside the annular groove, the rotating ring (7) is positioned inside the annular groove, one ends, far away from the annular groove, of the elastic telescopic rods (8) are fixedly connected with the circumferential wall of the rotating ring (7), the outer circumferential wall of the first sealing plate (5) is provided with a rotating groove (10) matched with the rotating ring (7), and the outer circumferential wall of the rotating ring (7) and the left side and the right side of the elastic telescopic rods (8) are both provided with elastic sealing sheets (9), the upper side and the lower side of the elastic sealing piece (9) are respectively fixedly connected with the groove bottom of the annular groove and the outer side circumferential wall of the rotating ring (7).
2. The ball bearing with the seal for the generator according to claim 1, wherein the elastic telescopic rod (8) comprises a sleeve (11), a moving rod (12) and a spring (13), the sleeve (11) is fixedly arranged at the groove bottom of the annular groove, the moving rod (12) is slidably arranged inside the sleeve (11), one end of the moving rod (12) is fixedly connected with the inner wall of the sleeve (11) through the spring (13), and the other end of the moving rod (12) extends to the outside of the sleeve (11) and is fixedly connected with the outer circumferential wall of the rotating ring (7).
3. The ball bearing with seal for generator according to claim 1, characterized in that the cross-sectional end face of the rotating ring (7) is trapezoidal structure, and the cross-sectional end face of the rotating groove (10) is trapezoidal structure.
4. The ball bearing with seal for generator of claim 1, characterized in that the elastic sealing sheet (9) is made of rubber.
5. The sealed ball bearing for a generator according to claim 1, wherein the outer side of the rotating ring (7) is provided to extend to the outside of the rotating groove (10), and the outer diameter of the rotating ring (7) is larger than the outer diameter of the rotating groove (10).
6. The sealed ball bearing of claim 1, wherein the first seal plate (5), the second seal plate (6) and the rotating ring (7) are made of wear-resistant steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023293075.3U CN214036529U (en) | 2020-12-30 | 2020-12-30 | Sealed ball bearing is used to generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023293075.3U CN214036529U (en) | 2020-12-30 | 2020-12-30 | Sealed ball bearing is used to generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214036529U true CN214036529U (en) | 2021-08-24 |
Family
ID=77344822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023293075.3U Expired - Fee Related CN214036529U (en) | 2020-12-30 | 2020-12-30 | Sealed ball bearing is used to generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214036529U (en) |
-
2020
- 2020-12-30 CN CN202023293075.3U patent/CN214036529U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |