CN215673194U - Anti-biting low-noise oil-free lubrication shaft sleeve - Google Patents
Anti-biting low-noise oil-free lubrication shaft sleeve Download PDFInfo
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- CN215673194U CN215673194U CN202121061666.XU CN202121061666U CN215673194U CN 215673194 U CN215673194 U CN 215673194U CN 202121061666 U CN202121061666 U CN 202121061666U CN 215673194 U CN215673194 U CN 215673194U
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- shaft sleeve
- sleeve body
- periphery
- shaft
- inner periphery
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Abstract
The utility model discloses an anti-biting shaft low-noise oil-free lubrication shaft sleeve which comprises a shaft sleeve body, a baffle ring and a clamping ring, wherein an outer cylinder body is sleeved on the outer periphery of the shaft sleeve body, a plurality of thread grooves distributed in an annular array are formed in the outer walls of the two sides of the shaft sleeve body, a first fixing stud penetrating through the baffle ring is connected in the thread grooves in a threaded manner, a plurality of thread grooves are formed in the inner periphery of the outer cylinder body, the clamping ring abutted against the outer wall of the shaft sleeve body is arranged on the inner periphery of the outer cylinder body, a second fixing stud penetrating through the clamping ring is connected in the thread grooves in the threaded manner, a circular groove is formed in the outer periphery of the outer cylinder body, air holes communicated with the circular groove are formed in the outer periphery of the shaft sleeve body, a sealing cover is connected in the inner periphery of the circular groove in a threaded manner, and a lubrication through groove is formed in the outer periphery of the outer cylinder body and the outer periphery of the shaft sleeve body. The installation and the use of being convenient for have improved wearing resistance and lubricity between axle sleeve body and bearing frame or the pivot, prolong the life of axle sleeve body.
Description
Technical Field
The utility model relates to the technical field of shaft sleeves, in particular to an anti-seize shaft low-noise oil-free lubrication shaft sleeve.
Background
The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of the sliding bearing. Typically, the sleeve is an interference fit with the bearing seat and a clearance fit with the shaft. The shaft sleeve for the automobile bearing is a protective component for an automobile shaft, the automobile shaft and the shaft sleeve move relatively when rotating, the sleeve is suitable for rotating, reciprocating and linear movement, a straight (cylindrical) shaft sleeve can only bear radial load, a flange shaft sleeve can bear radial and axial load in one direction, and each design and combination of the shaft sleeve has unique performance, so that the shaft sleeve is respectively suitable for certain specific application occasions;
the existing shaft sleeve generally needs to be filled with oil to the inside, the oil is troublesome, the oil is difficult to uniformly cover when the automobile axle sleeve is used, the oil is easy to flow out and drip when the automobile axle sleeve is not used, waste is caused, and in the prior art, when the rotating speed is high, the friction between an automobile axle and the shaft sleeve is overlarge and is easy to damage.
Therefore, the anti-biting shaft low-noise oil-free lubrication shaft sleeve is provided.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a seizure-proof shaft sleeve with low noise and oil-free lubrication, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the anti-biting shaft low-noise oil-free lubrication shaft sleeve comprises a shaft sleeve body, a blocking ring and a clamping ring, wherein an outer barrel body is sleeved on the outer periphery of the shaft sleeve body, a plurality of thread grooves distributed in an annular array are formed in the outer walls of the two sides of the shaft sleeve body, a first fixing stud penetrating through the blocking ring is connected to the inner threads of the thread grooves, a plurality of thread grooves are formed in the inner periphery of the outer barrel body, the clamping ring abutted against the outer wall of the shaft sleeve body is arranged on the inner periphery of the outer barrel body, and a second fixing stud penetrating through the clamping ring is connected to the inner threads of the thread grooves;
a circular groove is formed in the outer periphery of the outer cylinder, air holes communicated with the circular groove are formed in the outer periphery of the shaft sleeve body, and a sealing cover is in threaded connection with the inner periphery of the circular groove;
lubricated logical groove has all been constructed in the periphery of outer barrel and the periphery of axle sleeve body, and lubricated logical inslot threaded connection has the thread cover board, the bottom grafting of thread cover board is fixed with graphite lubrication post.
Further, the end of the graphite lubricating column is not flush with the inner periphery of the shaft sleeve body; the end of the graphite lubricating cylinder protrudes from the inner peripheral surface of the sleeve body so that the graphite lubricating cylinder can contact with the outer peripheral surface of the rotating shaft or the outer peripheral surface of the bearing housing, thereby performing a lubricating function.
Furthermore, the sealing covers and the threaded cover plates are arranged in a plurality of numbers, and the sealing covers and the threaded cover plates are distributed in a staggered manner; air lubrication and graphite lubrication are distributed in a staggered mode, the whole stress is more uniform, and the stability is higher.
Further, the end parts of the sealing cover and the threaded cover plate are both in arc shapes; so that the periphery of the outer cylinder body is smooth arc-shaped.
Further, the diameter of the inner periphery of the clamping ring is larger than that of the inner periphery of the shaft sleeve body; avoid the snap ring to influence the installation of axle sleeve body and use.
Compared with the prior art, the utility model has the following beneficial effects: the retaining ring and the shaft sleeve body are fixedly connected through the first fixing stud, the retaining ring can be clamped through the clamping ring, and the shaft sleeve body and the outer cylinder body can be fixedly installed through the second fixing stud, so that the installation and the use are convenient; graphite lubrication post can contact with bearing frame or pivot, improves wearing resistance and lubricity between axle sleeve body and bearing frame or the pivot, and can adjust the atmospheric pressure between axle sleeve body and bearing frame or the pivot through the bleeder vent, adjust the contact degree between axle sleeve body and bearing frame or the pivot, improve the lubricated effect of axle sleeve body, the life of extension axle sleeve body, and the graphite powder that graphite lubrication post friction produced does benefit to the lubrication of axle sleeve body, avoids the axle sleeve body to produce and stings the axle phenomenon.
Drawings
Fig. 1 is a schematic structural diagram of a seizure-proof shaft sleeve with low noise and oil-free lubrication.
Fig. 2 is a sectional view of the anti-seize shaft low-noise oil-free lubrication shaft sleeve of the utility model.
Fig. 3 is an enlarged view of a structure a in fig. 2 of a seizure preventive shaft sleeve with low noise and oil free lubrication according to the present invention.
In the figure: 1. an outer cylinder; 2. a shaft sleeve body; 3. a baffle ring; 31. fixing a first stud; 4. a snap ring; 41. a second fixing stud; 5. a sealing cover; 6. a threaded cover plate; 61. and (5) a graphite lubricating column.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
As shown in fig. 1-3, an anti-seize shaft low-noise oil-free lubrication shaft sleeve comprises a shaft sleeve body 2, a baffle ring 3 and a snap ring 4, wherein an outer cylinder body 1 is sleeved on the outer periphery of the shaft sleeve body 2, a plurality of thread grooves distributed in an annular array are formed in the outer walls of the two sides of the shaft sleeve body 2, a first fixing stud 31 penetrating through the baffle ring 3 is connected to the thread grooves in an internal thread manner, a plurality of thread grooves are formed in the inner periphery of the outer cylinder body 1, the snap ring 4 abutted against the outer wall of the shaft sleeve body 2 is arranged on the inner periphery of the outer cylinder body 1, and a second fixing stud 41 penetrating through the snap ring 4 is connected to the thread grooves in an internal thread manner;
a circular groove is formed on the outer periphery of the outer barrel body 1, air holes communicated with the circular groove are formed on the outer periphery of the shaft sleeve body 2, and a sealing cover 5 is in threaded connection with the inner periphery of the circular groove;
the periphery of outer barrel 1 and the periphery of axle sleeve body 2 all are constructed lubricated logical groove, and lubricated logical inslot threaded connection has threaded cover 6, the bottom grafting of threaded cover 6 is fixed with graphite lubrication post 61.
Wherein, the end part of the graphite lubricating column 61 is not flush with the inner circumference of the shaft sleeve body 2; the end of the graphite lubricating cylinder 61 protrudes from the inner peripheral surface of the sleeve body 2 so that the graphite lubricating cylinder 61 can contact with the outer peripheral surface of the rotating shaft or the outer peripheral surface of the bearing housing, thereby performing a lubricating action.
The sealing covers 5 and the threaded cover plates 6 are arranged in a plurality of numbers, and the sealing covers 5 and the threaded cover plates 6 are distributed in a staggered manner; air lubrication and graphite lubrication are distributed in a staggered mode, the whole stress is more uniform, and the stability is higher.
Wherein the end parts of the sealing cover 5 and the threaded cover plate 6 are both configured into an arc shape; so that the outer circumference of the outer cylinder 1 is smoothly curved.
The diameter of the inner periphery of the snap ring 4 is larger than that of the inner periphery of the shaft sleeve body 2; avoid snap ring 4 to influence the installation of axle sleeve body 2 and use.
When the anti-seizure low-noise oil-free lubrication shaft sleeve is used, the shaft sleeve body 2 is sleeved on the periphery of a bearing seat or a rotating shaft, the baffle ring 3 is attached to the shaft sleeve body 2 tightly, the baffle ring 3 and the bearing body are installed and fixed through the fixing stud I31, the outer cylinder body 1 penetrates through the baffle ring 3 and the shaft sleeve body 2, the snap ring 4 is inserted into the inner periphery of the outer cylinder body 1, the snap ring 4 and the outer cylinder body 1 are installed and fixed through the fixing stud II 41, the threaded cover plate 6 is unscrewed as required, the graphite lubrication column 61 with proper length is installed on the inner side of the threaded cover plate 6, the threaded cover plate 6 is covered, the sealing cover 5 is unscrewed to adjust air pressure between the shaft sleeve body 2 and the bearing seat or the rotating shaft, and then the sealing cover 5 is screwed down.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The anti-biting shaft low-noise oil-free lubricating shaft sleeve comprises a shaft sleeve body (2) and is characterized by further comprising a baffle ring (3) and a clamping ring (4), wherein an outer barrel body (1) is sleeved on the outer periphery of the shaft sleeve body (2), a plurality of thread grooves distributed in an annular array mode are formed in the outer walls of the two sides of the shaft sleeve body (2), a first fixing stud (31) penetrating through the baffle ring (3) is connected to the inner threads of the thread grooves, a plurality of thread grooves are formed in the inner periphery of the outer barrel body (1), the clamping ring (4) abutted to the outer wall of the shaft sleeve body (2) is arranged on the inner periphery of the outer barrel body (1), and a second fixing stud (41) penetrating through the clamping ring (4) is connected to the inner threads of the thread grooves;
a circular groove is formed in the outer periphery of the outer cylinder body (1), air holes communicated with the circular groove are formed in the outer periphery of the shaft sleeve body (2), and a sealing cover (5) is in threaded connection with the inner periphery of the circular groove;
the periphery of outer barrel (1) and the periphery of axle sleeve body (2) all are constructed lubricated logical groove, and lubricated logical groove female connection has screw apron (6), the bottom grafting of screw apron (6) is fixed with graphite lubrication post (61).
2. The anti-bite shaft low-noise oil-free lubrication shaft sleeve as claimed in claim 1, wherein: the end part of the graphite lubricating column (61) is not flush with the inner periphery of the shaft sleeve body (2).
3. The anti-bite shaft low-noise oil-free lubrication shaft sleeve as claimed in claim 1, wherein: the sealing cover (5) and the threaded cover plate (6) are arranged in a plurality of ways, and the sealing cover (5) and the threaded cover plate (6) are distributed in a staggered mode.
4. The anti-bite shaft low-noise oil-free lubrication shaft sleeve as claimed in claim 1, wherein: the end parts of the sealing cover (5) and the threaded cover plate (6) are both in arc shapes.
5. The anti-bite shaft low-noise oil-free lubrication shaft sleeve as claimed in claim 1, wherein: the diameter of the inner periphery of the snap ring (4) is larger than that of the inner periphery of the shaft sleeve body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121061666.XU CN215673194U (en) | 2021-05-18 | 2021-05-18 | Anti-biting low-noise oil-free lubrication shaft sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121061666.XU CN215673194U (en) | 2021-05-18 | 2021-05-18 | Anti-biting low-noise oil-free lubrication shaft sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215673194U true CN215673194U (en) | 2022-01-28 |
Family
ID=79972318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121061666.XU Active CN215673194U (en) | 2021-05-18 | 2021-05-18 | Anti-biting low-noise oil-free lubrication shaft sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215673194U (en) |
-
2021
- 2021-05-18 CN CN202121061666.XU patent/CN215673194U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A low-noise oil-free lubricating shaft sleeve for an anti-seize shaft Effective date of registration: 20220917 Granted publication date: 20220128 Pledgee: Zhejiang Jiashan Rural Commercial Bank Co.,Ltd. ganyao sub branch Pledgor: Zhejiang Jiesheng oilless bearing technology Co.,Ltd. Registration number: Y2022330002308 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |