CN220168356U - Agricultural machinery unit bearing with dustproof end cover for structural optimization - Google Patents
Agricultural machinery unit bearing with dustproof end cover for structural optimization Download PDFInfo
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- CN220168356U CN220168356U CN202321607951.6U CN202321607951U CN220168356U CN 220168356 U CN220168356 U CN 220168356U CN 202321607951 U CN202321607951 U CN 202321607951U CN 220168356 U CN220168356 U CN 220168356U
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- Prior art keywords
- end cover
- ring
- outer ring
- inner ring
- unit bearing
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- 238000005457 optimization Methods 0.000 title description 3
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 239000000428 dust Substances 0.000 claims abstract description 14
- 239000010687 lubricating oil Substances 0.000 claims description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 description 7
- 230000002265 prevention Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses an agricultural machinery unit bearing with a dustproof end cover, which comprises a unit bearing and a dustproof end cover, wherein the dustproof end cover is connected to the upper surface of the unit bearing; the unit bearing comprises an inner ring, an outer ring, a plurality of balls and a sealing ring, wherein the inner ring is connected with the outer ring through the balls, and the sealing ring is arranged between the inner ring and the outer ring; the dustproof end cover comprises an upper end cover and a lower end cover, wherein the upper end cover is fixedly connected to the outer ring and can cover a gap between the inner ring and the inner ring, and the lower end cover is fixedly connected to the outer ring and can cover a gap between the inner ring and the outer ring; according to the utility model, by arranging the sealing ring and the upper end cover to be matched with the lower end cover for double-layer protection, external dust is prevented from entering a gap between the inner ring and the outer ring, and the service life of the bearing is greatly prolonged.
Description
Technical Field
The utility model relates to the technical field of bearings, in particular to an agricultural machinery unit bearing with a dustproof end cover in a structure optimization mode.
Background
The bearing is a part for fixing and transmitting in the mechanical transmission process, is used for reducing the friction coefficient in the power transmission process and keeping the center position of the shaft fixed, is a part of the current mechanical equipment, and can be divided into a rolling bearing and a sliding bearing according to the difference of the friction properties of moving elements, wherein the bearing has certain grease leakage prevention and dust prevention capabilities, can prevent part of external dust and impurity erosion, is also called a dust prevention bearing, and is widely applied to the fields of motors, machines, electric tools and the like;
the bearing is used as a key part of mechanical equipment and is widely applied to various rotating parts. Modern mechanical equipment is continuously miniaturized, high-precision and long-life, and the bearing is used as a key part of a rotating part of the bearing, so that the size, precision and life of the bearing directly determine the whole size, precision and life of the mechanical equipment;
the bearing is a part for fixing and reducing the friction coefficient of load during mechanical transmission, so to speak, and is used for reducing the friction coefficient during power transmission and keeping the central position of the shaft fixed when other parts move relative to each other on the shaft, and the existing bearing mainly comprises: the novel bearing comprises a bearing outer ring, a bearing inner ring, a retainer and rolling bodies, wherein the rolling bodies are arranged between the bearing outer ring and the bearing inner ring through the retainer, a first rolling way and a second rolling way which can be used for the rolling bodies to roll are respectively arranged on the bearing outer ring and the bearing inner ring, in the use process, because larger gaps exist between the two sides of the bearing outer ring and the two sides of the bearing inner ring, some mechanical dust can easily enter, abrasion between the rolling bodies and the bearing outer ring and the bearing inner ring is aggravated, the service life of the bearing is short, the abrasion rate is high, and the replacement times are frequent.
Disclosure of Invention
The utility model aims to provide an agricultural machinery unit bearing with a dustproof end cover, which is structurally optimized, and can effectively place dust into a gap between an inner ring of the bearing and an outer ring of the bearing.
The utility model solves the technical problems by adopting the following technical scheme: the agricultural machinery unit bearing with the dustproof end cover comprises a unit bearing and the dustproof end cover, wherein the dustproof end cover is connected to the upper surface of the unit bearing;
the unit bearing comprises an inner ring, an outer ring, a plurality of balls and a sealing ring, wherein the inner ring is connected with the outer ring through the balls, and the sealing ring is arranged between the inner ring and the outer ring; the dustproof end cover comprises an upper end cover and a lower end cover, wherein the upper end cover is fixedly connected to the outer ring and can cover a gap between the inner ring and the inner ring, and the lower end cover is fixedly connected to the outer ring and can cover a gap between the inner ring and the outer ring.
Optionally, the inner ring includes inner ring body, through-hole, anticlockwise district, slope district, the through-hole sets up at the inner ring middle part, anticlockwise district sets up in the inner ring upper end, slope district sets up in the inner ring lower extreme.
Optionally, the whole ring shape that is of upper end cover, upper end cover outer loop portion is equipped with the outer end extension district of outside slope, upper end cover inner loop portion is equipped with the inner end extension district of outside slope, upper end cover passes through the outer end extension district of upper end and connects on outer loop upper end, upper end cover passes through the anticlockwise district of inner end extension parcel inner ring.
Optionally, the whole ring shape that is of lower end cover, lower end cover outer loop portion is equipped with the lower outer end extension district of outside slope, lower end cover inner loop portion is equipped with the lower inner end extension district of inside slope, the lower end cover passes through the lower outer end extension district to be connected on outer loop lower extreme, the lower end cover passes through the slope district of inner end extension parcel inner loop down.
Optionally, a gap exists between the inner ring and the outer ring, the outer ring part of the sealing ring is fixedly connected to the inner wall of the outer ring, and the inner ring part of the sealing ring is connected to the outer wall of the inner ring.
Optionally, the number of the sealing rings is two, and the two sealing rings are respectively arranged in a gap between the inner ring and the upper end of the outer ring and a gap between the inner ring and the lower end of the outer ring.
Optionally, the outer loop includes outer loop, lower outer loop, all be equipped with a plurality of connecting holes and a plurality of fixed orifices that the symmetry set up on outer loop and the lower outer loop, the connecting hole rivet connection that the symmetry set up is passed through with lower outer loop to the upper outer loop.
Optionally, a plurality of the balls are uniformly arranged between the inner ring and the outer ring, and lubricating oil is arranged on the balls.
The utility model has the following beneficial effects:
according to the utility model, by arranging the sealing ring and the upper end cover to be matched with the lower end cover for double-layer protection, external dust is prevented from entering a gap between the inner ring and the outer ring, and the service life of the bearing is greatly prolonged.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
the labels in the figures are: 11-an inner ring; 12-an outer ring; 13-balls; 14-sealing rings; 21-an upper end cap; 22-a lower end cap;
111-through holes; 112-a anticline region; 113-a ramp region; 121-an upper outer ring; 122-inner and outer rings; 123-connecting holes; 124-fixing holes; 211-an upper outer end extension; 212-an upper inner end extension; 221-lower outer end extension; 222-lower inner end extension.
Detailed Description
The technical scheme of the utility model is further described below with reference to the embodiment and the attached drawings.
Example 1
The embodiment provides an agricultural machinery unit bearing with a dustproof end cover, which comprises a unit bearing and a dustproof end cover, wherein the dustproof end cover is connected to the upper surface of the unit bearing;
the unit bearing comprises an inner ring 11, an outer ring 12, a plurality of balls 13 and a sealing ring 14, wherein the inner ring 11 is connected with the outer ring 12 through the balls 13, and the sealing ring 14 is arranged between the inner ring 11 and the outer ring 12; the dustproof end cover comprises an upper end cover 21 and a lower end cover 22, wherein the upper end cover 21 is fixedly connected to the outer ring 11, the upper end cover 21 can cover a gap between the inner ring 11 and the inner ring 12, the lower end cover 22 is fixedly connected to the outer ring 12, and the lower end cover 22 can cover a gap between the inner ring 11 and the outer ring 12.
By arranging the sealing ring 14, the upper end cover 21 and the lower end cover 22 between the inner ring 11 and the outer ring 12 respectively, external dust is effectively prevented from entering the balls 13 in the gaps between the inner ring 11 and the outer ring 12, the service life of the bearing is greatly prolonged, and lubricating oil on the balls 13 can be prevented from sliding out of the gaps.
In a further implementation manner of this embodiment, the inner ring 11 includes an inner ring 11 body, a through hole 111, an inclined backward region 112, and a slope region 113, where the through hole 111 is disposed in the middle of the inner ring 11, the inclined backward region 112 is disposed at the upper end of the inner ring 11, and the slope region 112 is disposed at the lower end of the inner ring 11.
In a further implementation manner of this embodiment, the upper end cover 21 is integrally in a ring shape, an outer ring portion of the upper end cover 21 is provided with an upper outer end extension area 211 inclined outwards, an inner ring portion of the upper end cover 21 is provided with an upper inner end extension area 212 inclined outwards, the upper end cover 21 is connected to the upper end of the outer ring 12 through the upper outer end extension area 211, and the upper end cover 21 wraps the inverted inclined area 112 of the inner ring 11 through the upper inner end extension area 212.
In a further implementation manner of this embodiment, the lower end cover 22 is in a circular ring shape integrally, an outer ring portion of the lower end cover 22 is provided with a lower outer end extension area 221 inclined outwards, an inner ring portion of the lower end cover 22 is provided with a lower inner end extension area 222 inclined inwards, the lower end cover 22 is connected to the lower end of the outer ring 12 through the lower outer end extension area 221, and the lower end cover 22 wraps the slope area 113 of the inner ring 11 through the lower inner end extension area 222.
The upper inner end extension area 212 on the upper end cover 21 wraps the anticlockwise inclined area 112, the lower inner end extension area 222 on the lower end cover 22 wraps the inclined slope area 113 to provide a first layer of protection for the gap between the inner ring 11 and the outer ring 12, and the inclined slope area 113 and the inclined slope area 112 on the inner ring 11 can effectively prevent dust from entering the gap between the inner ring 11 and the outer ring 12 in a manner of wrapping the upper inner end extension area 222 and the lower inner end extension area 222.
In a further implementation manner of this embodiment, a gap exists between the inner ring 11 and the outer ring 12, an outer ring portion of the sealing ring 14 is fixedly connected to an inner wall of the outer ring 12, and an inner ring portion of the sealing ring 14 is connected to an outer wall of the inner ring 11.
By providing the upper and lower sealing rings 14, it is possible to protect the gap between the inner ring 11 and the outer ring 12 as a second layer, further to prevent dust from entering the gap, and the gap also protects the balls 13 and the lubricating oil provided in the gap.
In a further implementation manner of this embodiment, the number of the sealing rings 14 is two, and the two sealing rings 14 are respectively disposed in a gap between the upper ends of the inner ring 11 and the outer ring 12 and a gap between the lower ends of the inner ring 11 and the outer ring 12.
In a further implementation manner of this embodiment, the outer ring 12 includes an upper outer ring 121 and a lower outer ring 122, a plurality of symmetrically arranged connecting holes 123 and a plurality of symmetrically arranged fixing holes 124 are respectively provided on the upper outer ring 121 and the lower outer ring 122, and the upper outer ring 121 and the lower outer ring 122 are connected by rivets through the symmetrically arranged connecting holes 123.
In a further embodiment of the present embodiment, the balls 13 are uniformly disposed between the inner ring 11 and the outer ring 12, and the balls 13 are provided with lubricating oil.
The sequence of the above embodiments is only for convenience of description, and does not represent the advantages and disadvantages of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (8)
1. The agricultural machinery unit bearing with the dustproof end cover is characterized by comprising a unit bearing and the dustproof end cover, wherein the dustproof end cover is connected to the upper surface of the unit bearing;
the unit bearing comprises an inner ring, an outer ring, a plurality of balls and a sealing ring, wherein the inner ring is connected with the outer ring through the balls, and the sealing ring is arranged between the inner ring and the outer ring; the dustproof end cover comprises an upper end cover and a lower end cover, wherein the upper end cover is fixedly connected to the outer ring and can cover a gap between the inner ring and the inner ring, and the lower end cover is fixedly connected to the outer ring and can cover a gap between the inner ring and the outer ring.
2. The structurally optimized agricultural machinery unit bearing with a dust cap according to claim 1, wherein the inner ring comprises an inner ring body, a through hole, an anticlockwise inclined area and a slope area, the through hole is arranged in the middle of the inner ring, the anticlockwise inclined area is arranged at the upper end of the inner ring, and the slope area is arranged at the lower end of the inner ring.
3. The structurally optimized agricultural machinery unit bearing with a dust-proof end cover according to claim 2, wherein the upper end cover is in a circular ring shape as a whole, an outer ring part of the upper end cover is provided with an outer end extending area which is inclined outwards, an inner ring part of the upper end cover is provided with an inner end extending area which is inclined outwards, the upper end cover is connected to the upper end of the outer ring through the outer end extending area, and the upper end cover wraps the tilting area of the inner ring through the inner end extending area.
4. The structurally optimized agricultural machinery unit bearing with a dust-proof end cover according to claim 2, wherein the lower end cover is in a circular ring shape as a whole, the outer ring part of the lower end cover is provided with a lower outer end extension area inclined outwards, the inner ring part of the lower end cover is provided with a lower inner end extension area inclined inwards, the lower end cover is connected to the lower end of the outer ring through the lower outer end extension area, and the lower end cover wraps the slope area of the inner ring through the lower inner end extension area.
5. The structurally optimized agricultural machinery unit bearing with a dust cap of claim 1, wherein a gap exists between the inner ring and the outer ring, the outer ring portion of the seal ring is fixedly connected to the inner wall of the outer ring, and the inner ring portion of the seal ring is connected to the outer wall of the inner ring.
6. The structurally optimized agricultural machinery unit bearing with a dust cap according to claim 5, wherein the number of the sealing rings is two, and the two sealing rings are respectively arranged in a gap between the inner ring and the upper end of the outer ring and a gap between the inner ring and the lower end of the outer ring.
7. The structurally optimized agricultural machinery unit bearing with the dust-proof end cover according to claim 1, wherein the outer ring comprises an upper outer ring and a lower outer ring, a plurality of symmetrically arranged connecting holes and a plurality of symmetrically arranged fixing holes are formed in the upper outer ring and the lower outer ring, and the upper outer ring and the lower outer ring are connected through symmetrically arranged connecting hole rivets.
8. The structurally optimized agricultural machinery unit bearing with dust cap of claim 1, wherein a plurality of said balls are uniformly disposed between the inner ring and the outer ring, and said balls are provided with lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321607951.6U CN220168356U (en) | 2023-06-25 | 2023-06-25 | Agricultural machinery unit bearing with dustproof end cover for structural optimization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321607951.6U CN220168356U (en) | 2023-06-25 | 2023-06-25 | Agricultural machinery unit bearing with dustproof end cover for structural optimization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220168356U true CN220168356U (en) | 2023-12-12 |
Family
ID=89067576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321607951.6U Active CN220168356U (en) | 2023-06-25 | 2023-06-25 | Agricultural machinery unit bearing with dustproof end cover for structural optimization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220168356U (en) |
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2023
- 2023-06-25 CN CN202321607951.6U patent/CN220168356U/en active Active
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