CN212318548U - Oil-filling lubricating bearing structure - Google Patents
Oil-filling lubricating bearing structure Download PDFInfo
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- CN212318548U CN212318548U CN202020860711.7U CN202020860711U CN212318548U CN 212318548 U CN212318548 U CN 212318548U CN 202020860711 U CN202020860711 U CN 202020860711U CN 212318548 U CN212318548 U CN 212318548U
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Abstract
The utility model relates to a bearing technology field discloses an oiling lubricated bearing structure, including coaxial outer lane and inner circle, be provided with a pair of coaxial between outer lane and the inner circle, all install a plurality of rollers in the raceway, the inboard both ends that just are located its axis direction of outer lane have seted up and have drawn the oilhole, draw the oilhole along the radial extension of outer lane, just be provided with the drainage way that is used for the intercommunication to draw the oilhole in the outer lane, the inboard both ends that just are located its axis direction of outer lane inlay respectively and be equipped with ring one, the outside of inner circle and the both ends cover that is located its axis direction are equipped with ring two, ring one and ring two are towards the coaxial extension elasticity ring piece of roller direction, the elasticity ring piece is close to the one end laminating of roller. The utility model discloses have draw oilhole and drainage way on the outer lane and make fluid can distribute in bearing axial both sides, realize the effect to the comprehensive lubrication of bearing.
Description
Technical Field
The utility model belongs to the technical field of the technique of bearing and specifically relates to a lubricated bearing structure of oiling.
Background
The bearing has the main functions of supporting the mechanical rotating body, reducing the friction coefficient in the movement process of the mechanical rotating body and ensuring the rotation precision of the mechanical rotating body.
As shown in fig. 1, a self-aligning roller bearing is disclosed in the prior art, which includes an outer ring 1 and an inner ring 2 that are coaxial, a pair of coaxial raceways 3 is provided between the inner ring 2 and the outer ring 1, and a plurality of rollers 4 are mounted in the raceways 3.
The above prior art solutions have the following drawbacks:
in practice, in the above bearing, both the outer side of the outer ring and the outer side of the inner ring are in contact with the rotor, and the lubricating oil is usually added to the rollers from both sides in the bearing axial direction, but when one side in the bearing axial direction is shielded by the rotor, the lubricating oil can be injected only from one side in the bearing axial direction, but the lubricating oil is difficult to be transmitted to the shielded side due to the blocking of the rollers and the restriction of the raceway, and the bearing lubricating effect is poor in some cases.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, one of the purposes of the utility model is to provide an oiling lubricated bearing structure, the draw oilhole on the outer lane makes fluid can distribute in bearing axial both sides with the drainage way, realizes the comprehensive lubrication to the bearing.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides an oiling lubricated bearing structure, includes coaxial outer lane and inner circle, be provided with a pair of coaxial between outer lane and the inner circle, all install a plurality of rollers in the raceway, the inboard both ends that just are located its axis direction of outer lane have seted up and have led the oilhole, lead the oilhole along the radial extension of outer lane, just be provided with the drainage way that is used for the intercommunication to lead the oilhole in the outer lane, the inboard both ends that just are located its axis direction of outer lane inlay respectively and be equipped with ring one, the outside of inner circle and the both ends cover that is located its axis direction are equipped with ring two, ring one and ring two have an elastic ring piece towards the coaxial extension of roller direction, elastic ring piece is close to the one end laminating of roller.
Through adopting above-mentioned technical scheme, when pouring into lubricating oil to one side of bearing axis direction, part fluid directly gets into between the roller, and another part fluid loops through oil guide hole and drainage way under the blockking of ring one, ring two and elastic ring piece, flows to the opposite side roller from oil guide hole again at last, and then realizes the comprehensive lubrication to the bearing.
The present invention may be further configured in a preferred embodiment as: the outer ring is provided with a plurality of oil guiding holes and drainage channels at intervals in the axial direction.
Through adopting above-mentioned technical scheme, around bearing axis circumference interval distribution's a plurality of oil guide holes and drainage duct promote the smooth and easy nature that the lubricating oil flows to make lubricating oil also can be comparatively even distribute in the roller in the same raceway.
The present invention may be further configured in a preferred embodiment as: the first ring and the second ring are both made of elastic materials, the outer diameter of the first ring is larger than the inner diameter of the outer ring, and the inner diameter of the second ring is smaller than the outer diameter of the inner ring.
By adopting the technical scheme, the outer diameter of the first ring is larger than the inner diameter of the outer ring, so that the first ring is extruded and attached to the inner side of the outer ring, the inner diameter of the second ring is smaller than the outer diameter of the inner ring, the second ring is extruded and attached to the outer side of the inner ring, and the first ring and the second ring are respectively connected with the outer ring and the inner ring in a sealing manner.
The present invention may be further configured in a preferred embodiment as: the inner side of the first ring is axially provided with a first jack at intervals, the outer side of the second ring is axially provided with a second jack at intervals, and a rigid rod is fixedly inserted between the first jack and the second jack oppositely.
By adopting the technical scheme, the first jacks and the second jacks are aligned one by one before the first ring and the second ring are installed in the bearing, the rigid rods are inserted in the aligned first jacks and the aligned second jacks, so that the first ring and the second ring form a relatively fixed structure, the first ring and the second ring are convenient to install on the bearing at the same time, after the first ring and the second ring are installed, the rigid rods further extrude the first ring and the second ring to be respectively attached to the outer ring or the inner ring, and the sealing effect of oil liquid in the first ring and the second ring is improved.
The present invention may be further configured in a preferred embodiment as: the inner side of the outer ring and the outer side of the inner ring are both coaxially provided with annular grooves, and the outer side of the first ring and the inner side of the second ring are both provided with convex rings which are embedded with the annular grooves and matched with the annular grooves.
Through adopting above-mentioned technical scheme, when ring one and ring two install in the bearing, the bulge loop inlay establish with the annular, form the curved surface laminating between ring one and ring two and outer lane or inner circle, further promote the stability of ring one and ring two installation in the bearing and to the sealed effect of fluid.
The present invention may be further configured in a preferred embodiment as: two ends of the drainage channel penetrate through the outer ring, and two ends of the outer ring in the axial direction are embedded with sealing plugs for sealing the drainage channel.
Through adopting above-mentioned technical scheme, the drainage runs through the outer lane, and then the processing on the drainage on the outer lane of being convenient for to avoid fluid to leak when passing through the drainage through the sealing plug.
The present invention may be further configured in a preferred embodiment as: and a connecting part is arranged between the sealing plug and the first ring.
Through adopting above-mentioned technical scheme, the sealing plug is avoided losing by the connecting portion that sets up between ring one and the sealing plug.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the drainage holes on the outer ring and the drainage channels are matched for drainage, so that the lubricating oil injected from one side can flow to the other side, and the bearing is comprehensively lubricated;
2. the first ring, the second ring and the elastic ring sheet effectively block the leakage of lubricating oil and can effectively guide the lubricating oil to pass through the oil guide hole;
3. the rigid rod between the first ring and the second ring can facilitate the installation of the first ring and the second ring on the bearing and improve the installation stability of the first ring and the second ring on the bearing.
Drawings
FIG. 1 is a prior art schematic;
FIG. 2 is a schematic half-sectional view of an oil lubricated bearing arrangement;
fig. 3 is an enlarged schematic view at a in fig. 2 for embodying the structure of the sealing unit.
In the figure, 1, outer ring; 11. an oil guide hole; 12. a drainage duct; 13. a ring groove; 2. an inner ring; 3. a raceway; 4. a roller; 5. A first ring; 51. a first jack; 6. a second ring; 61. a second jack; 7. an elastic ring piece; 8. a convex ring; 9. a rigid rod; 10. a sealing plug; 101. a connecting portion.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 2 and 3, an oil-lubricated bearing structure includes an outer ring 1 and an inner ring 2 which are coaxial, a pair of coaxial raceways 3 are provided on the outer ring 1 and the inner ring 2, a plurality of rollers 4 are respectively embedded in the raceways 3 in a rolling manner, oil introducing holes 11 are provided at two ends of the inner side of the outer ring 1 in the axial direction thereof, the oil introducing holes 11 at each end are arranged at intervals around the circumference of the outer ring 1, and the oil introducing holes 11 corresponding to the two ends are communicated to form a drainage channel 12 which axially penetrates along the outer ring 11, and a sealing plug 10 is embedded in the outer ring 1 and the two ends of the drainage channel 12;
when lubricating oil is injected into one side of the axial direction of the bearing, part of oil directly enters between the rollers 4, the other part of oil sequentially passes through the oil guide hole 11 and the drainage channel 12, the sealing plug 10 avoids oil leakage, and finally the oil flows into the roller 4 on the other side from the oil guide hole 11, so that the bearing is completely lubricated.
A sealing unit for blocking oil is arranged between the outer ring 1 and the inner ring 2 and comprises a first ring 5 and a second ring 6, a first ring 5 is coaxially embedded at the two ends of the inner side of the outer ring 1 and positioned on the axis of the outer ring, a second ring 6 is coaxially sleeved at the two ends of the outer side of the inner ring 2 and positioned on the axis of the inner ring, an elastic ring piece 7 coaxially extends from one end of the first ring 5 and one end of the second ring 6 facing the roller 4, the elastic ring pieces 7 are bent into an arc shape, one ends close to the roller 4 are mutually attached, wherein the ring I5, the ring II 6 and the elastic ring piece 7 are integrally formed by rubber materials, an integrally formed connecting part 101 is arranged between the ring I5 and the sealing plug 10, further, the sealing plug 10 is prevented from being lost, meanwhile, the outer diameter of the first ring 5 is larger than the inner diameter of the outer ring 1, so that the first ring 5 is extruded and attached to the inner side of the outer ring 1, the inner diameter of the second ring 6 is smaller than the outer diameter of the inner ring 2, and the second ring 6 is extruded and attached to the outer side of the inner ring 2;
in the process of injecting lubricating oil into the bearing, when oil which does not directly enter the roller 4 or the oil guiding hole 11 flows outwards, the first ring 5, the second ring 6 and the attached elastic ring piece 7 block the oil to flow out, so that the oil is stably remained in the bearing, and the stable lubricating effect on the bearing is realized.
The first insertion holes 51 are circumferentially and alternately arranged on the inner side of the first ring 5, the second insertion holes 61 are axially and alternately arranged on the outer side of the second ring 6, the first insertion holes 51 and the second insertion holes 61 are aligned one by one before the first ring 5 and the second ring 6 are installed in the bearing, and the rigid rods 9 are inserted into the aligned first insertion holes 51 and the aligned second insertion holes 61, so that the first ring 5 and the second ring 6 form a relatively fixed structure, the first ring 5 and the second ring 6 can be conveniently installed on the bearing at the same time, after the first ring 5 and the second ring 6 are installed, the rigid rods 9 further extrude the first ring 5 and the second ring 6 to be respectively attached to the outer ring 1 or the inner ring 2, and the sealing effect of the first ring 5 and the second ring 6 on oil is improved.
Simultaneously, the annular grooves 13 are coaxially formed in the inner side of the outer ring 1 and the outer side of the inner ring 2, the convex rings 8 are integrally formed in the outer side of the first ring 5 and the inner side of the second ring 6, when the first ring 5 and the second ring 6 are installed in the bearing, the convex rings 8 are embedded in the annular grooves 13, curved surface fitting is formed between the first ring 5 and the second ring 6 and the outer ring 1 or the inner ring 2, and the installation stability of the first ring 5 and the second ring 6 in the bearing and the sealing effect of oil are further improved.
The implementation principle of the embodiment is as follows:
after the bearing is installed on a revolving body, lubricating oil is fed from one side of the axial direction of the bearing, part of the oil directly enters between the rollers 4, the other part of the oil passes through the oil guiding hole 11 and the drainage channel 12 under the blocking of the first ring 5, the second ring 6 and the elastic ring piece 7, and finally flows out of the oil guiding hole 11 at the other side to enter the rollers 4, so that the bearing is fully lubricated.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides an oiling lubricated bearing structure, includes coaxial outer lane (1) and inner circle (2), be provided with coaxial raceway (3) one and raceway (3) two between outer lane (1) and inner circle (2), all install a plurality of rollers (4) in raceway (3) one and raceway (3) two, its characterized in that: the inboard both ends that just are located its axis direction of outer lane (1) have been seted up and have been led oilhole (11), lead oilhole (11) along the radial extension of outer lane (1), just be provided with drainage (12) that are used for the intercommunication to lead oilhole (11) in outer lane (1), the inboard both ends that just are located its axis direction of outer lane (1) are inlayed respectively and are equipped with ring one (5), the outside of inner circle (2) and the both ends cover that is located its axis direction are equipped with ring two (6), ring one (5) and ring two (6) are towards the coaxial elasticity ring piece (7) that extends of roller (4) direction, the one end laminating that elasticity ring piece (7) are close to roller (4).
2. The structure of claim 1, wherein: the outer ring (1) is provided with a plurality of oil guiding holes (11) and drainage channels (12) at intervals in the axial direction.
3. The structure of claim 1, wherein: the first ring (5) and the second ring (6) are made of elastic materials, the outer diameter of the first ring (5) is larger than the inner diameter of the outer ring (1), and the inner diameter of the second ring (6) is smaller than the outer diameter of the inner ring (2).
4. The structure of claim 3, wherein: the inner side of the first ring (5) is axially provided with a first jack (51) at intervals, the outer side of the second ring (6) is axially provided with a second jack (61) at intervals, and a rigid rod (9) is fixedly inserted between the first jack (51) and the second jack (61) in an opposite insertion mode.
5. The structure of claim 3 or 4, wherein: the inboard of outer lane (1) and the equal coaxial extension in the outside of inner circle (2) have bulge loop (8), the outside of ring one (5) and the inboard of ring two (6) have all been seted up and have been inlayed with bulge loop (8) and establish complex annular (13).
6. The structure of claim 3, wherein: two ends of the drainage channel (12) penetrate through the outer ring (1), and sealing plugs (10) for sealing the drainage channel (12) are embedded at two ends of the outer ring (1) in the axis direction.
7. The structure of claim 6, wherein: and a connecting part (101) is arranged between the sealing plug (10) and the first ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020860711.7U CN212318548U (en) | 2020-05-20 | 2020-05-20 | Oil-filling lubricating bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020860711.7U CN212318548U (en) | 2020-05-20 | 2020-05-20 | Oil-filling lubricating bearing structure |
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| Publication Number | Publication Date |
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| CN212318548U true CN212318548U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020860711.7U Active CN212318548U (en) | 2020-05-20 | 2020-05-20 | Oil-filling lubricating bearing structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909402A (en) * | 2021-02-07 | 2022-08-16 | 中国航发商用航空发动机有限责任公司 | Bearing and aircraft engine |
-
2020
- 2020-05-20 CN CN202020860711.7U patent/CN212318548U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909402A (en) * | 2021-02-07 | 2022-08-16 | 中国航发商用航空发动机有限责任公司 | Bearing and aircraft engine |
| CN114909402B (en) * | 2021-02-07 | 2023-08-08 | 中国航发商用航空发动机有限责任公司 | Bearing and aeroengine |
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