CN221610427U - Long-life roller bearing - Google Patents
Long-life roller bearing Download PDFInfo
- Publication number
- CN221610427U CN221610427U CN202323412857.8U CN202323412857U CN221610427U CN 221610427 U CN221610427 U CN 221610427U CN 202323412857 U CN202323412857 U CN 202323412857U CN 221610427 U CN221610427 U CN 221610427U
- Authority
- CN
- China
- Prior art keywords
- ring cover
- cover
- inner ring
- outer ring
- roller bearing
- Prior art date
- 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.)
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Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 229920000459 Nitrile rubber Polymers 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000000428 dust Substances 0.000 abstract description 13
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 238000005096 rolling process Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a long-life roller bearing, which relates to the field of bearings and has the technical scheme that: the anti-dust ring comprises an inner ring and an outer ring, a dust cover is arranged between the inner ring and the outer ring, annular grooves I used for clamping the dust cover are formed in the inner ring and the outer ring, the dust cover comprises an inner ring cover and an outer ring cover, the inner ring cover is rotationally connected with the outer ring cover, and a plurality of steel balls which are in contact with the inner ring cover and the outer ring cover are arranged between the inner ring cover and the outer ring cover. According to the roller bearing, the steel balls are arranged, so that the inner ring cover and the inner ring as well as the outer ring cover and the outer ring are not easy to rotate relatively, the inner ring cover and the outer ring cover are in rolling friction, friction force between the inner ring cover and the outer ring cover is reduced, the abrasion degree of the whole dust cover is reduced, the service life of the whole dust cover is prolonged, and the service life of the whole roller bearing is prolonged.
Description
Technical Field
The present utility model relates to the field of bearings, and more particularly to a long life roller bearing.
Background
The roller bearing comprises an inner ring, an outer ring and rollers arranged between the inner ring and the outer ring, and the dust-proof covers are arranged between the inner ring and the outer ring in order to ensure the dust-proof performance of the roller bearing, and are in conflict with the inner ring and the outer ring in order to ensure the good dust-proof effect, but the friction between the dust-proof covers and the inner ring and the outer ring is large in the rotating process of the roller bearing due to the arrangement, so that the dust-proof covers are easy to wear, and the service life of the dust-proof covers is short.
New solutions are therefore required to address this problem.
Disclosure of utility model
In view of the shortcomings of the prior art, it is an object of the present utility model to provide a long life roller bearing.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a long-life roller bearing, includes inner circle and outer lane, be provided with the shield between inner circle and the outer lane, the ring channel one that is used for joint dust proof lid has all been seted up on inner circle and the outer lane, the shield includes interior ring lid and outer loop lid, rotate between interior ring lid and the outer loop lid and be connected, be provided with a plurality of steel balls that all contradict with both between interior ring lid and the outer loop lid, the biggest static friction between interior ring lid and the inner circle and the biggest static friction between outer loop lid and the outer lane all is greater than the biggest static friction between interior ring lid and the steel ball.
The utility model is further provided with: an annular groove II with a T-shaped section is formed in the outer peripheral wall of the inner ring cover, a T-shaped strip positioned in the annular groove II is arranged on the inner peripheral wall of the outer ring cover, and a plurality of steel balls are arranged between the bottom of the annular groove II and the T-shaped strip.
The utility model is further provided with: and a plurality of mounting grooves for mounting steel balls are formed in the bottom of the second annular groove, and when the steel balls are mounted in the mounting grooves, one part of the steel balls is exposed out of the mounting grooves.
The utility model is further provided with: the outer edge of the T-shaped strip is provided with a third annular groove used for being attached to the outer wall of the steel ball, when the dust cover is arranged between the inner ring and the outer ring, the steel ball is attached to the third annular groove, and all the faces of the T-shaped strip are not abutted to the inner wall of the second annular groove.
The utility model is further provided with: the difference between the outer diameter and the inner diameter of the inner ring cover is smaller than the difference between the outer diameter and the inner diameter of the outer ring cover.
The utility model is further provided with: the inner ring cover and the outer ring cover comprise nitrile rubber parts and metal parts, and the nitrile rubber parts of the inner ring cover and the outer ring cover are clamped in the annular groove I.
In summary, the utility model has the following beneficial effects: the roller bearing is characterized in that the inner ring cover, the inner ring and the outer ring cover are not easy to rotate relative to the outer ring, the inner ring cover and the outer ring cover rotate relative to each other, a plurality of steel balls are arranged between the inner ring cover and the outer ring cover and are in contact with the inner ring cover and the outer ring cover, sliding friction between the inner ring cover and the outer ring cover is converted into rolling friction, friction between the inner ring cover and the outer ring cover is reduced, loss between the inner ring cover and the outer ring cover is reduced, the service life of the dust cover is prolonged, and the service life of the roller bearing is prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
Fig. 3 is an enlarged schematic view of the portion a in fig. 2.
In the figure: 1. an inner ring; 2. an outer ring; 3. a dust cover; 4. an annular groove I; 5. an inner ring cover; 6. an outer ring cover; 7. steel balls; 8. annular groove II; 9. a T-bar; 10. a mounting groove; 11. and a third annular groove.
Detailed Description
The present utility model will be described in detail below with reference to the accompanying drawings and examples.
The long-life roller bearing, as shown in fig. 1 and 2, including inner circle 1 and outer lane 2, be provided with shield 3 between inner circle 1 and the outer lane 2, ring channel one 4 that is used for joint shield 3 has all been seted up on inner circle 1 and the outer lane 2, shield 3 includes inner ring lid 5 and outer loop lid 6, rotate between inner ring lid 5 and the outer loop lid 6 and be connected, be provided with a plurality of steel balls 7 between inner ring lid 5 and the outer loop lid 6, the biggest static friction between inner ring lid 5 and inner circle 1 and the biggest static friction between outer loop lid 6 and the outer loop 2 all are greater than the biggest static friction between inner ring lid 5 and steel balls 7, the setting like this makes the roller bearing in the use, inner ring lid 5 and inner ring 1 and outer loop lid 6 and outer lane 2 be difficult for producing relative rotation, a plurality of steel balls 7 that set up between inner ring lid 5 and the outer loop lid 6, and a plurality of steel balls 7 all with inner ring lid 5 and outer loop lid 6, make between inner ring lid 5 and the outer loop lid 6 change into by sliding friction, thereby the whole friction between the outer loop lid 6 has been reduced, the whole life-span of the roller bearing has been prolonged, and the whole life of the roller bearing has been further prolonged, 3 between the inner ring and outer loop lid has been reduced.
As shown in fig. 2 and 3, the outer peripheral wall of the inner ring cover 5 is provided with a second annular groove 8 with a T-shaped cross section, the inner peripheral wall of the outer ring cover 6 is provided with a T-shaped strip 9 positioned in the second annular groove 8, the T-shaped strip 9 is annularly arranged on the inner peripheral wall of the outer ring cover 6, a plurality of steel balls 7 are arranged between the bottom of the second annular groove 8 and the T-shaped strip 9, the maximum width of the T-shaped strip 9 is larger than the minimum width of the second annular groove 8, so that the T-shaped strip 9 is not easy to separate from the second annular groove 8, the inner ring cover 5 and the outer ring cover 6 are rotationally connected by rotating the T-shaped strip 9 in the second annular groove 8, the bottom of the second annular groove 8 is provided with a plurality of mounting grooves 10 for mounting the steel balls 7, the plurality of mounting grooves 10 are annularly arranged at the bottom of the second annular groove 8, when the steel balls 7 are mounted in the mounting grooves 10, a part of the steel balls 7 is exposed out of the mounting grooves 10, the volume of the steel ball 7 in the mounting groove 10 is larger than the volume of the steel ball 7 exposed out of the mounting groove 10, the steel ball 7 is mounted through the mounting groove 10, the annular groove III 11 used for being attached to the outer edge of the steel ball 7 is formed on the outer edge of the T-shaped strip 9, lubricating oil is added between the T-shaped strip 9 and the inner wall of the annular groove II 8, the gap between the T-shaped strip 9 and the annular groove II 8 is smaller, the gap is more tortuous, lubricating oil is added, so that dust is harder to enter between the inner ring 1 and the outer ring 2 through the gap between the T-shaped strip 9 and the annular groove II, the difference between the outer diameter and the inner diameter of the inner ring cover 5 is smaller than the difference between the outer diameter and the inner diameter of the outer ring cover 6, the linear speed of rotation of the T-shaped strip 9 in the annular groove II is smaller, the number of friction rotation circles of the steel ball 7 and the T-shaped strip 9 is reduced, the service lives of the steel ball 7, the inner ring cover 5 and the outer ring cover 6 are guaranteed, the inner ring cover 5 and the outer ring cover 6 comprise nitrile rubber parts and metal parts, the nitrile rubber parts of the inner ring cover 5 and the outer ring cover 6 are clamped in the annular groove I4, the T-shaped strip 9 is arranged on the metal part of the outer ring cover 6, the annular groove II 8 is arranged on the metal part of the inner ring cover 5, the steel balls 7 are in contact with the metal parts of the outer ring cover 6 and the inner ring cover 5, the metal parts are smooth, the friction force between the outer ring cover 6 and the inner ring cover 5 is further reduced, the nitrile rubber parts are made of nitrile rubber, the chemical property of the nitrile rubber is stable, the whole service life of the dust cover 3 is guaranteed, and the dust cover 3 is conveniently clamped between the inner ring 1 and the outer ring 2.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (6)
1. The utility model provides a long-life roller bearing, includes inner circle (1) and outer lane (2), be provided with shield (3) between inner circle (1) and outer lane (2), ring channel one (4) that are used for joint shield (3) have all been seted up on inner circle (1) and outer lane (2), its characterized in that: the dustproof cover (3) comprises an inner ring cover (5) and an outer ring cover (6), the inner ring cover (5) and the outer ring cover (6) are connected in a rotating mode, a plurality of steel balls (7) which are in interference with the inner ring cover (5) and the outer ring cover (6) are arranged between the inner ring cover (5) and the outer ring cover (6), and the maximum static friction force between the inner ring cover (5) and the inner ring (1) and the maximum static friction force between the outer ring cover (6) and the outer ring (2) are larger than the maximum static friction force between the inner ring cover (5) and the steel balls (7).
2. The long life roller bearing of claim 1 wherein: an annular groove II (8) with a T-shaped cross section is formed in the outer peripheral wall of the inner annular cover (5), a T-shaped strip (9) positioned in the annular groove II (8) is arranged on the inner peripheral wall of the outer annular cover (6), and a plurality of steel balls (7) are arranged between the bottom of the annular groove II (8) and the T-shaped strip (9).
3. The long life roller bearing of claim 2 wherein: the bottom of the annular groove II (8) is provided with a plurality of mounting grooves (10) for mounting the steel balls (7), and when the steel balls (7) are mounted in the mounting grooves (10), a part of the steel balls (7) is exposed out of the mounting grooves (10).
4. A long life roller bearing according to claim 3, wherein: the outer edge of the T-shaped strip (9) is provided with an annular groove III (11) which is used for being attached to the outer wall of the steel ball (7).
5. The long life roller bearing of claim 4 wherein: the difference between the outer diameter and the inner diameter of the inner ring cover (5) is smaller than the difference between the outer diameter and the inner diameter of the outer ring cover (6).
6. The long life roller bearing of claim 5 wherein: the inner ring cover (5) and the outer ring cover (6) comprise nitrile rubber parts and metal parts, and the nitrile rubber parts of the inner ring cover (5) and the outer ring cover (6) are clamped in the annular groove I (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323412857.8U CN221610427U (en) | 2023-12-13 | 2023-12-13 | Long-life roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323412857.8U CN221610427U (en) | 2023-12-13 | 2023-12-13 | Long-life roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221610427U true CN221610427U (en) | 2024-08-27 |
Family
ID=92440720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323412857.8U Active CN221610427U (en) | 2023-12-13 | 2023-12-13 | Long-life roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221610427U (en) |
-
2023
- 2023-12-13 CN CN202323412857.8U patent/CN221610427U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |