CN217898504U - Wear-resistant long-service-life oilless bearing - Google Patents
Wear-resistant long-service-life oilless bearing Download PDFInfo
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- CN217898504U CN217898504U CN202221283717.8U CN202221283717U CN217898504U CN 217898504 U CN217898504 U CN 217898504U CN 202221283717 U CN202221283717 U CN 202221283717U CN 217898504 U CN217898504 U CN 217898504U
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- oilless bearing
- mounting groove
- main body
- bearing main
- wear
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Abstract
The utility model discloses a wear-resisting high life oilless bearing, its technical scheme main points are: the oil-free bearing comprises an oil-free bearing main body, wherein a plurality of annular mounting grooves for mounting sealing rings are formed in the inner wall of the oil-free bearing main body, a plurality of circular mounting holes are further formed in the inner wall of the oil-free bearing main body, a protective layer is further arranged inside the oil-free bearing main body, and through holes matched with the circular mounting holes are formed in the protective layer; still be provided with the shaft shoulder in the oilless bearing main part, it has first mounting groove to open on the shaft shoulder, it has the second mounting groove to open on the lateral wall of oilless bearing main part, the one end and the first mounting groove fixed connection of protective housing, the other end and the second mounting groove fixed connection of protective housing. The utility model discloses be provided with the protective layer, reduce the loss improvement leakproofness in the use.
Description
Technical Field
The utility model relates to a frock field of polishing especially involves a wear-resisting high life oilless bearing.
Background
With the rapid development of the mechanical industry, the requirements on the reliability, the sealing performance and the like of the gasket material of the oilless bearing are higher and higher.
The oilless bearing in the prior art has the following defects: when the oil-free bearing is used, a large gap exists between the oil-free bearing and the shaft, leakage is easy to generate, and meanwhile, abrasion easily occurs in the oil-free bearing during the use process, so that the sealing performance is further reduced. Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wear-resisting high life oilless bearing for there is great space between solving current oilless bearing and the axle, produce easily and leak, the use is simultaneously kind, and the inside wearing and tearing that appear easily of oilless bearing further reduces the leakproofness.
The above technical purpose of the utility model is realized with following technical scheme:
a wear-resistant long-service-life oilless bearing comprises an oilless bearing main body, wherein a plurality of annular mounting grooves for mounting sealing rings are formed in the inner wall of the oilless bearing main body, a plurality of circular mounting holes are formed in the inner wall of the oilless bearing main body, a protective layer is further arranged inside the oilless bearing main body, and through holes matched with the circular mounting holes are formed in the protective layer;
still be provided with the shaft shoulder in the oilless bearing main part, it has first mounting groove to open on the shaft shoulder, it has the second mounting groove to open on the lateral wall of oilless bearing main part, the one end and the first mounting groove fixed connection of protective housing, the other end and the second mounting groove fixed connection of protective housing.
The utility model discloses a further set up to: the annular mounting grooves are distributed along the axial direction of the oilless bearing main body.
The utility model discloses a further set up to: the first mounting groove and the second mounting groove are semicircular.
The utility model discloses a further set up to: the oil-free bearing is characterized in that a graphite column is arranged in the circular mounting hole, one end of the graphite column is arranged in the circular mounting hole, and the other end of the graphite column penetrates through the through hole to extend to the inside of the oil-free bearing main body.
The utility model discloses a further set up to: and a support ring is arranged at the bottom of the oilless bearing main body.
Compared with the prior art, the utility model discloses following beneficial effect has:
the oil-free bearing is provided with a plurality of annular mounting grooves for mounting the sealing rings, and the sealing rings are arranged in the annular mounting grooves, so that the sealing property of the oil-free bearing can be improved; the protective layer is arranged on the inner wall of the oilless bearing, so that abrasion of the bearing in the using process can be reduced, the sealing performance is improved, and leakage is reduced.
Drawings
Fig. 1 is a structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic view of a partial structure of embodiment 1 of the present invention.
Fig. 3 is a structural view of embodiment 2 of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the drawings and the specific embodiments.
As shown in fig. 1 to 3, the utility model provides a wear-resisting long-life oilless bearing, including oilless bearing main body 10, open on the inner wall of oilless bearing main body 10 has a plurality of annular mounting grooves 1 that are used for installing the sealing washer, still be provided with a plurality of circular mounting holes 2 on the inner wall of oilless bearing main body 10, the inside of oilless bearing main body 10 still is provided with protective layer 3, and protective layer 3 adopts wear-resisting material to make, can reduce the loss in the use, open on the protective layer 3 with circular mounting hole 2 assorted through-hole 4;
still be provided with shaft shoulder 5 on the oilless bearing main part 10, it has first mounting groove 6 to open on shaft shoulder 5, it has second mounting groove 7 to open on the lateral wall of oilless bearing main part 10, the one end and the 6 fixed connection of first mounting groove of protective housing 8, the other end and the 7 fixed connection of second mounting groove of protective housing 8.
The utility model discloses a further set up to: the annular mounting grooves 1 are distributed along the axial direction of the oilless bearing main body 10.
The utility model discloses a further set up to: the first mounting groove 6 and the second mounting groove 7 are semicircular.
The utility model discloses a further set up to: be provided with the graphite post in the circular mounting hole 2, the one end setting of graphite post is in circular mounting hole 2, and the other end of graphite post passes through-hole 4 and extends to inside the oilless bearing main part 10.
The utility model discloses a further set up to: the bottom of the oilless bearing body 10 is provided with a support ring 9.
The utility model discloses a use and principle as follows: the sealing ring is arranged in the annular mounting groove, so that the sealing performance of the oilless bearing can be improved; the protective layer is arranged on the inner wall of the oilless bearing, so that abrasion of the bearing in the using process can be reduced, the sealing performance is improved, and leakage is reduced.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the designated devices or elements must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be broadly construed, for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art. As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The wear-resistant long-service-life oilless bearing comprises an oilless bearing main body (10) and is characterized in that a plurality of annular mounting grooves (1) for mounting sealing rings are formed in the inner wall of the oilless bearing main body (10), a plurality of circular mounting holes (2) are further formed in the inner wall of the oilless bearing main body (10), a protective layer (3) is further arranged inside the oilless bearing main body (10), and through holes (4) matched with the circular mounting holes (2) are formed in the protective layer (3);
still be provided with shaft shoulder (5) on oilless bearing main part (10), it has first mounting groove (6) to open on shaft shoulder (5), it has second mounting groove (7) to open on the lateral wall of oilless bearing main part (10), the one end and the first mounting groove (6) fixed connection of protective housing (8), the other end and the second mounting groove (7) fixed connection of protective housing (8).
2. A wear-resistant long-life oilless bearing according to claim 1, wherein the annular mounting groove (1) is distributed along the axial direction of the oilless bearing body (10).
3. A wear-resistant long-life oilless bearing according to claim 1, wherein the first mounting groove (6) and the second mounting groove (7) are semicircular.
4. A wear-resistant long-life oilless bearing according to claim 1, wherein a graphite column is provided in the circular mounting hole (2), one end of the graphite column is provided in the circular mounting hole (2), and the other end of the graphite column extends through the through hole (4) to the inside of the oilless bearing body (10).
5. A wear-resistant long-life oilless bearing according to claim 1, characterized in that the bottom of the oilless bearing body (10) is provided with a support ring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221283717.8U CN217898504U (en) | 2022-05-26 | 2022-05-26 | Wear-resistant long-service-life oilless bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221283717.8U CN217898504U (en) | 2022-05-26 | 2022-05-26 | Wear-resistant long-service-life oilless bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217898504U true CN217898504U (en) | 2022-11-25 |
Family
ID=84113031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221283717.8U Active CN217898504U (en) | 2022-05-26 | 2022-05-26 | Wear-resistant long-service-life oilless bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217898504U (en) |
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2022
- 2022-05-26 CN CN202221283717.8U patent/CN217898504U/en active Active
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