CN210919814U - Self-aligning rolling bearing - Google Patents
Self-aligning rolling bearing Download PDFInfo
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- CN210919814U CN210919814U CN201921362634.6U CN201921362634U CN210919814U CN 210919814 U CN210919814 U CN 210919814U CN 201921362634 U CN201921362634 U CN 201921362634U CN 210919814 U CN210919814 U CN 210919814U
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Abstract
The utility model provides a from aligning antifriction bearing, from aligning antifriction bearing includes: the self-lubricating device comprises an inner ring, an outer ring, balls, a self-lubricating sliding layer, a ring groove, a clamping groove, a dust cover, an adjusting ring and an installation ring; a first raceway is arranged on the outer wall of the inner ring and is hemispherical; the outer ring is sleeved on the outer side of the inner ring, a second raceway is arranged on the inner wall of the outer ring, the second raceway is hemispherical, and the second raceway is opposite to the first raceway; a plurality of balls are embedded into the first rolling path and the second rolling path simultaneously; the adjusting ring is an elastic body and is sleeved on the outer side of the outer ring; the mounting ring is sleeved outside the adjusting ring and is clamped with the adjusting ring. Through setting up the adjusting collar into the elastomer to realize that the adjusting collar possesses elastic deformation's ability, and can realize going out and make the adjusting collar reconversion after external force, thereby reduce installation error, and compensate the wearing and tearing of follow-up operation in-process, and then reach the function from the aligning.
Description
Technical Field
The utility model relates to a antifriction bearing technical field particularly, relates to a from aligning formula antifriction bearing.
Background
At present, in the related art, each part of the existing bearing is a rigid body, and the bearing does not have the elastic deformation capacity; with this method, when the bearing is fitted to a precision part, the mounting error cannot be reduced, and therefore wear is likely to occur in the subsequent operation.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
Therefore, the utility model provides a self-aligning antifriction bearing.
In view of this, the utility model provides a from aligning antifriction bearing, from aligning antifriction bearing includes: the self-lubricating device comprises an inner ring, an outer ring, balls, a self-lubricating sliding layer, a ring groove, a clamping groove, a dust cover, an adjusting ring and an installation ring; a first raceway is arranged on the outer wall of the inner ring and is hemispherical; the outer ring is sleeved on the outer side of the inner ring, a second raceway is arranged on the inner wall of the outer ring, the second raceway is hemispherical, and the second raceway is opposite to the first raceway; a plurality of balls are embedded into the first rolling path and the second rolling path simultaneously; the self-lubricating sliding layers are arranged on the inner wall of the outer ring and the outer wall of the inner ring; the two ring grooves are arranged on the inner wall of the outer ring and are respectively positioned above and below the ball; the two clamping grooves are arranged on the outer wall of the inner ring and are respectively positioned above and below the ball; the dustproof cover is in a circular ring shape, the outer edge of the dustproof cover is embedded into the ring groove, and the inner edge of the dustproof cover is embedded into the clamping groove; the adjusting ring is an elastic body and is sleeved on the outer side of the outer ring; the mounting ring is sleeved outside the adjusting ring and is clamped with the adjusting ring.
In the technical scheme, firstly, a hemispherical first raceway is arranged on the outer wall of an inner ring, an outer ring is sleeved on the outer side of the inner ring, and a hemispherical second raceway is arranged on the inner wall of the outer ring, so that the first raceway is opposite to the second raceway; secondly, a plurality of balls are simultaneously embedded into the first raceway and the second raceway so as to realize that the inner ring and the outer ring can rotate relatively, thereby improving the rotation flexibility of the rolling bearing; thirdly, the self-lubricating sliding layer is arranged on the inner wall of the outer ring to enable the self-lubricating sliding layer to be in contact with the balls, so that the friction coefficient of the balls and the outer ring is reduced, and the lubricating effect is improved; thirdly, arranging the two ring grooves on the inner wall of the outer ring, arranging the clamping grooves on the outer wall of the inner ring, and respectively positioning the two ring grooves and the two clamping grooves above and below the ball; thirdly, the outer edge of the annular dustproof cover is embedded into the annular groove, and the inner edge of the dustproof cover is embedded into the clamping groove, so that the dustproof cover is clamped in the outer ring and the inner ring, and the stability of the dustproof cover is improved; and thirdly, the adjusting ring which is arranged as the elastic body is sleeved on the outer side of the outer ring, so that the adjusting ring is tightly hooped on the outer side of the outer ring, meanwhile, the mounting ring is sleeved on the outer side of the adjusting ring, and the mounting ring is clamped with the adjusting ring, so that the outer ring, the adjusting ring and the mounting ring can synchronously rotate. Through setting up the adjusting collar into the elastomer to realize that the adjusting collar possesses elastic deformation's ability, and can realize going out and make the adjusting collar reconversion after external force, thereby reduce installation error, and compensate the wearing and tearing of follow-up operation in-process, and then reach the function from the aligning. Adopt this kind of structure, simple structure through with the shield joint in inner circle and outer lane to prevent in the dust enters into the ball, thereby avoid causing the condition that the ball takes place to damage to take place, with the service life of extension ball, and then improve the use of product and experience.
Additionally, the utility model provides an from aligning formula antifriction bearing among the above-mentioned technical scheme can also have following additional technical characteristics:
in the above technical solution, preferably, the dust cap further includes: the dustproof device comprises a dustproof main body, a friction rolling ball and a fixing part; the outer circumference of the dustproof main body is provided with a mounting groove; at least part of the friction rolling balls are embedded into the mounting grooves, and the friction rolling balls are attached to the inner walls of the annular grooves; the fixing part is elliptical, is connected with the inner edge of the dustproof main body and is embedded into the clamping groove.
In the technical scheme, the installation groove is formed in the outer circumference of the dustproof main body, at least part of friction balls are freely and rotatably embedded into the installation groove, and the friction rolling balls are attached to the inner wall of the annular groove, so that the camouflage rolling balls and the annular groove are in rolling friction; meanwhile, the elliptic fixing part is connected with the inner edge of the dustproof main body and is embedded into the clamping groove, so that the dustproof cover is fixed in the clamping groove. Because the friction rolling ball and the inner wall of the ring groove are in rolling friction, the friction coefficient between the dust cover and the outer ring is reduced, and the service performance of the product is improved.
In the above technical solution, preferably, the dustproof body is an elastic body.
In this technical scheme, through setting up dustproof main part into the elastomer to realize that dustproof main part has elastic deformation's ability, thereby reduce the assembly degree of difficulty of shield, and can improve the inseparable degree of shield and outer lane and inner circle laminating, and then improve the leakproofness of shield.
In the above technical solution, preferably, the mounting groove is arc-shaped and is adapted to the friction rolling ball; wherein, a gap is arranged between the mounting groove and the friction rolling ball.
In this technical scheme, through setting up the mounting groove into the arc to make mounting groove and friction spin looks adaptation, because the mounting groove is gapped with the friction ball, take place to interfere with the installation groove with the friction spin, with the roll effect that improves the friction spin, further reduce the coefficient of friction between shield and the outer lane, improve the performance of product.
In the above technical solution, preferably, the gap between the friction rolling ball and the mounting groove is 0.02 mm.
In this technical scheme, set up to 0.02mm through the clearance with between friction spin and the mounting groove, not only can prevent that mounting groove and friction spin from taking place to interfere, still can realize dustproof main part and drive the friction spin and roll to further reduce the coefficient of friction between shield and the outer lane, improve the performance of product.
In the above technical solution, preferably, the thickness of the self-lubricating sliding layer is 0.05 mm.
In this technical scheme, set up to 0.05mm through the thickness with self-lubricating sliding layer to reduce the coefficient of friction of ball and outer lane, further improve lubricated effect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 shows a schematic structural view of a self-aligning rolling bearing according to an embodiment of the present invention;
fig. 2 is a partial enlarged view of a portion a of fig. 1 illustrating a structural schematic view of a self-aligning rolling bearing according to an embodiment of the present invention;
wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:
12 inner ring, 14 outer ring, 16 balls, 18 self-lubricating sliding part, 20 annular groove, 22 clamping groove, 24 dust cover, 242 dust-proof main body, 244 friction rolling ball, 246 fixing part, 26 adjusting ring and 28 mounting ring.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The self-aligning rolling bearing according to some embodiments of the present invention is described below with reference to fig. 1 and 2.
In the embodiment of the present invention, as shown in fig. 1 and fig. 2, the utility model provides a self-aligning rolling bearing, self-aligning rolling bearing includes: the self-lubricating device comprises an inner ring 12, an outer ring 14, balls 16, a self-lubricating sliding layer 18, a ring groove 20, a clamping groove 22, a dust cover 24, an adjusting ring 26 and a mounting ring 28; a first raceway is arranged on the outer wall of the inner ring 12, and the first raceway is hemispherical; the outer ring 14 is sleeved on the outer side of the inner ring 12, a second raceway is arranged on the inner wall of the outer ring 14, the second raceway is hemispherical, and the second raceway is opposite to the first raceway; a plurality of balls 16 are simultaneously embedded in the first and second raceways; the self-lubricating sliding layer 18 is arranged on the inner wall of the outer ring 14 and the outer wall of the inner ring 12; two ring grooves 20 are arranged on the inner wall of the outer ring 14, and the two ring grooves 20 are respectively positioned above and below the balls 16; the two clamping grooves 22 are arranged on the outer wall of the inner ring 12, and the two clamping grooves 22 are respectively positioned above and below the balls 16; the dustproof cover 24 is annular, the outer edge of the dustproof cover 24 is embedded into the annular groove 20, and the inner edge of the dustproof cover 24 is embedded into the clamping groove 22; the adjusting ring 26 is an elastic body, and the adjusting ring 26 is sleeved on the outer side of the outer ring 14; the mounting ring 28 is sleeved on the outer side of the adjusting ring 26, and the mounting ring 28 is clamped with the adjusting ring 26.
In this embodiment, first, a hemispherical first raceway is provided on the outer wall of the inner ring 12, the outer ring 14 is sleeved on the outer side of the inner ring 12, and a hemispherical second raceway is provided on the inner wall of the outer ring 14, so that the first raceway and the second raceway are opposite to each other; secondly, the rolling balls 16 are embedded into the first raceway and the second raceway simultaneously, so that the inner ring 12 and the outer ring 14 can rotate relatively, and the rotation flexibility of the rolling bearing is improved; thirdly, the self-lubricating sliding layer 18 is arranged on the inner wall of the outer ring 14, so that the self-lubricating sliding layer 18 is in contact with the balls 16, the friction coefficient between the balls 16 and the outer ring 14 is reduced, and the lubricating effect is improved; thirdly, two ring grooves 20 are arranged on the inner wall of the outer ring 14, clamping grooves 22 are arranged on the outer wall of the inner ring 12, and the two ring grooves 20 and the two clamping grooves 22 are respectively positioned above and below the balls 16; thirdly, the outer edge of the annular dustproof cover 24 is embedded into the annular groove 20, and the inner edge of the dustproof cover 24 is embedded into the clamping groove 22, so that the dustproof cover 24 is clamped in the outer ring 14 and the inner ring 12, and the stability of the dustproof cover 24 is improved; thirdly, the adjusting ring 26 which is set as an elastic body is sleeved on the outer side of the outer ring 14, so that the adjusting ring 26 is tightly hooped on the outer side of the outer ring 14, meanwhile, the mounting ring 28 is sleeved on the outer side of the adjusting ring 26, and the mounting ring 28 is clamped with the adjusting ring 26, so that the outer ring 14, the adjusting ring 26 and the mounting ring 28 can synchronously rotate. Through setting up adjusting ring 26 into the elastomer to realize that adjusting ring 26 possesses elastic deformation's ability, and can realize going out and make adjusting ring 26 reconversion after external force, thereby reduce installation error, and compensate the wearing and tearing in the follow-up operation process, and then reach the function from the aligning. Adopt this kind of structure, simple structure through with shield 24 joint in inner circle 12 and outer lane 14 to prevent that the dust from entering into in the ball 16, thereby avoid causing the condition that ball 16 takes place to damage to take place, with the service life of extension ball 16, and then improve the use of product and experience.
In an embodiment of the present invention, preferably, as shown in fig. 1 and 2, the dust cover 24 further includes: a dust-proof body 242, a friction ball 244, and a retainer 246; the outer circumference of the dustproof main body 242 is provided with a mounting groove; at least part of the friction rolling ball 244 is embedded in the mounting groove, and the friction rolling ball 244 is attached to the inner wall of the annular groove 20; the fixing portion 246 is elliptical, the fixing portion 246 is connected to the inner edge of the dust-proof body 242, and the fixing portion 246 is inserted into the slot 22.
In this embodiment, the outer circumference of the dustproof main body 242 is provided with a mounting groove, at least part of the friction rolling ball 244 is freely and rotatably embedded into the mounting groove, and the friction rolling ball 244 is attached to the inner wall of the annular groove 20, so that the camouflage rolling ball and the annular groove 20 are in rolling friction; meanwhile, the fixing portion 246 having an elliptical shape is connected to the inner edge of the dust-proof body 242, and the fixing portion 246 is inserted into the slot 22, so that the dust-proof cover 24 is fixed in the slot 22. Because the friction rolling balls 244 and the inner wall of the annular groove 20 are in rolling friction, the friction coefficient between the dust cover 24 and the outer ring 14 is reduced, and the service performance of the product is improved.
In an embodiment of the present invention, the dustproof body 242 is preferably an elastic body.
In this embodiment, the dust-proof body 242 is made of an elastic body, so that the dust-proof body 242 has the elastic deformation capability, the assembly difficulty of the dust-proof cover 24 is reduced, the tightness of the dust-proof cover 24 in the fitting with the outer ring 14 and the inner ring 12 can be improved, and the sealing performance of the dust-proof cover 24 is improved.
In one embodiment of the present invention, preferably, as shown in fig. 2, the mounting groove is arc-shaped and fits the friction roller ball 244; wherein the mounting groove has a clearance with the friction ball 244.
In this embodiment, by setting the mounting groove to be arc-shaped and making the mounting groove fit with the friction rolling ball 244, since there is a gap between the mounting groove and the friction rolling ball 244, the mounting groove is prevented from interfering with the friction rolling ball 244, so as to improve the rolling effect of the friction rolling ball 244, further reduce the friction coefficient between the dust cap 24 and the outer ring 14, and improve the usability of the product.
In one embodiment of the present invention, the friction roller ball 244 preferably has a clearance of 0.02mm from the mounting groove.
In this embodiment, by setting the gap between the friction rolling ball 244 and the mounting groove to 0.02mm, not only can the interference between the mounting groove and the friction rolling ball 244 be prevented, but also the dust-proof main body 242 can drive the friction rolling ball 244 to roll, thereby further reducing the friction coefficient between the dust-proof cover 24 and the outer ring 14 and improving the usability of the product.
In one embodiment of the present invention, the thickness of the self-lubricating sliding layer 18 is preferably 0.05 mm.
In this embodiment, the lubricating effect is further improved by setting the thickness of the self-lubricating sliding layer 18 to 0.05mm to reduce the friction coefficient of the balls 16 with the outer ring 14.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A self-aligning rolling bearing, comprising:
the outer wall of the inner ring is provided with a first raceway, and the first raceway is hemispherical;
the outer ring is sleeved on the outer side of the inner ring, a second raceway is arranged on the inner wall of the outer ring, the second raceway is hemispherical, and the second raceway is opposite to the first raceway;
balls, a plurality of which are embedded in the first raceway and the second raceway at the same time;
the self-lubricating sliding layer is arranged on the inner wall of the outer ring and the outer wall of the inner ring;
the two ring grooves are arranged on the inner wall of the outer ring and are respectively positioned above and below the ball;
the two clamping grooves are arranged on the outer wall of the inner ring and are respectively positioned above and below the ball;
the dustproof cover is in a circular ring shape, the outer edge of the dustproof cover is embedded into the annular groove, and the inner edge of the dustproof cover is embedded into the clamping groove;
the adjusting ring is an elastic body and is sleeved on the outer side of the outer ring;
the mounting ring is sleeved on the outer side of the adjusting ring and is clamped with the adjusting ring.
2. The self-aligning rolling bearing of claim 1, wherein the dust cap further comprises:
the dustproof device comprises a dustproof main body, a support and a base, wherein the outer circumference of the dustproof main body is provided with a mounting groove;
at least part of the friction rolling ball is embedded into the mounting groove, and the friction rolling ball is attached to the inner wall of the annular groove;
the fixing part is elliptical, the fixing part is connected with the inner edge of the dustproof main body, and the fixing part is embedded into the clamping groove.
3. Self aligning rolling bearing according to claim 2, characterized in that:
the dustproof main body is an elastic body.
4. Self aligning rolling bearing according to claim 3, characterized in that:
the mounting groove is arc-shaped and is matched with the friction rolling ball;
wherein, the mounting groove has a clearance with the friction rolling ball.
5. Self aligning rolling bearing according to claim 4, characterized in that:
the clearance between the friction rolling ball and the mounting groove is 0.02 mm.
6. Self aligning rolling bearing according to any of claims 1 to 5, characterized in that:
the thickness of the self-lubricating sliding layer is 0.05 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921362634.6U CN210919814U (en) | 2019-08-21 | 2019-08-21 | Self-aligning rolling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921362634.6U CN210919814U (en) | 2019-08-21 | 2019-08-21 | Self-aligning rolling bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210919814U true CN210919814U (en) | 2020-07-03 |
Family
ID=71365762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921362634.6U Expired - Fee Related CN210919814U (en) | 2019-08-21 | 2019-08-21 | Self-aligning rolling bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210919814U (en) |
-
2019
- 2019-08-21 CN CN201921362634.6U patent/CN210919814U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 |