CN214888385U - Shaft sleeve capable of reducing abrasion for rotating shaft - Google Patents
Shaft sleeve capable of reducing abrasion for rotating shaft Download PDFInfo
- Publication number
- CN214888385U CN214888385U CN202121760294.XU CN202121760294U CN214888385U CN 214888385 U CN214888385 U CN 214888385U CN 202121760294 U CN202121760294 U CN 202121760294U CN 214888385 U CN214888385 U CN 214888385U
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- groove
- shaft sleeve
- rotating shaft
- extrusion block
- sleeve body
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a shaft sleeve for a rotating shaft, which can reduce abrasion, and comprises a shaft sleeve body and a side chamfer, wherein the side chamfer is arranged at the corners of the left end part and the right end part of the shaft sleeve body; further comprising: the drainage groove is arranged in the left end side of the shaft sleeve body, a locking bolt is arranged in the drainage groove, and the drainage groove and the storage groove are communicated with each other; the fixed rod is fixedly arranged in the storage tank, an extrusion block is arranged on the outer side of the fixed rod, and the extrusion block and the fixed rod are mutually connected through a built-in spring for providing reset elasticity; and the circulation groove is arranged on the side of the storage groove, and the inner side of the circulation groove is provided with a shunting port for shunting oil. This can reduce the axle sleeve for pivot of wearing and tearing can reduce the concentration of stress, and the installation of the pivot of can being convenient for simultaneously conveniently reduces the frictional force between pivot and the axle sleeve at rotatory in-process.
Description
Technical Field
The utility model relates to an axle sleeve technical field specifically is an axle sleeve for pivot that can reduce wearing and tearing.
Background
The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft, is also a component of a sliding bearing, is usually used when the part is in butt joint with the propeller shaft or the rotating shafts, and can effectively reduce the abrasion of the part by utilizing the shaft sleeve
However, the existing shaft sleeve has the following problems:
1. the existing shaft sleeve is inconvenient for mounting the rotating shaft in the using process, and certain edges and corners of some shaft sleeves are inconvenient for effectively reducing stress concentration;
2. the existing shaft sleeve is inconvenient to automatically inject oil and lubricate in the rotating process, so that the friction force between the rotating shaft and the shaft sleeve is too large, the shaft sleeve is quickly abraded, and the service life of the shaft sleeve is greatly shortened.
Therefore, a sleeve for a rotating shaft which can reduce wear has been proposed so as to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can reduce axle sleeve for pivot of wearing and tearing, the in-process that uses is not convenient for install the countershaft with the current axle sleeve on solving the existing market that above-mentioned background art provided, some axle sleeves have certain edges and corners and are not convenient for effectual concentration that reduces stress simultaneously, at the in-process of rotation work, it is lubricated to be not convenient for carry out automatic oiling, thereby it is too big to lead to the frictional force between its pivot and the axle sleeve, lead to its wearing and tearing that appear too fast, and then the very big problem that has reduced the life of axle sleeve self.
In order to achieve the above object, the utility model provides a following technical scheme: a shaft sleeve for a rotating shaft capable of reducing abrasion comprises a shaft sleeve body and side chamfers, wherein the side chamfers are arranged at the corners of the left end part and the right end part of the shaft sleeve body;
further comprising:
the drainage groove is arranged in the left end side of the shaft sleeve body, a locking bolt is arranged in the drainage groove, and the drainage groove and the storage groove are communicated with each other;
the fixed rod is fixedly arranged in the storage tank, an extrusion block is arranged on the outer side of the fixed rod, and the extrusion block and the fixed rod are mutually connected through a built-in spring for providing reset elasticity;
and the circulation groove is arranged on the side of the storage groove, and the inner side of the circulation groove is provided with a shunting port for shunting oil.
Preferably, the inner edge of the drainage groove is provided with an internal thread, and the drainage groove is in threaded connection with the locking bolt.
Through adopting above-mentioned technical scheme, utilize the inside internal thread of drainage groove to can conveniently twist the locking bolt in the drainage groove.
Preferably, the inner wall of the fixed rod and the inner end outer wall of the extrusion block are mutually attached, and an elastic telescopic structure is formed between the fixed rod and the extrusion block through a built-in spring.
Through adopting above-mentioned technical scheme, can make the extrusion piece after the removal rebound reset through the setting of innerspring.
Preferably, the outer wall of the extrusion block and the inner wall of the storage tank are attached to each other, and the storage tank and the circulation tank are communicated with each other.
Through adopting above-mentioned technical scheme, laminate each other between the inner wall of extrusion piece and holding tank to can guarantee the stability of extrusion piece at the inside removal of holding tank.
Preferably, the circulation groove and the diversion ports are vertically distributed, and the diversion ports are uniformly distributed on the inner side of the circulation groove.
Through adopting above-mentioned technical scheme, thereby utilize the reposition of redundant personnel mouth can make the inside lubricating oil that flows of circulation groove outwards flow out.
Compared with the prior art, the beneficial effects of the utility model are that: the shaft sleeve for the rotating shaft, which can reduce abrasion, can reduce stress concentration, is convenient for the installation of the rotating shaft, and is convenient for reducing the friction force between the rotating shaft and the shaft sleeve in the rotating process;
1. the side chamfers are arranged on the sides of the left end and the right end of the shaft sleeve body, so that the difficulty in installation of the rotating shaft can be reduced, and simultaneously, edges and corners can be passivated through the side chamfers, so that stress concentration is reduced;
2. be provided with the diffluence mouth, the axle sleeve body can make the extrusion piece outwards remove under the effect of centrifugal force at rotatory in-process, and the removal of extrusion piece this moment can promote the fluid of holding tank inside, makes its lubricating oil flow in to the runner groove, gets into the lubricating oil back in the runner groove this moment, and lubricating oil outwards flows along the diffluence mouth to play certain lubrication action with this, reduce the frictional force between pivot and the axle sleeve body, improve the life of self.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;
fig. 4 is a schematic view of the sectional structure of the fixing rod and the extrusion block of the present invention.
In the figure: 1. a shaft sleeve body; 2. chamfering the side; 3. a drainage groove; 4. a locking bolt; 5. a storage tank; 6. fixing the rod; 7. extruding the block; 8. a built-in spring; 9. a circulation tank; 10. a shunt port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a shaft sleeve for a rotating shaft capable of reducing abrasion comprises a shaft sleeve body 1 and a side chamfer 2, wherein the side chamfer 2 is arranged at the corners of the left end part and the right end part of the shaft sleeve body 1;
further comprising:
the drainage groove 3 is arranged in the left end side of the shaft sleeve body 1, the locking bolt 4 is arranged in the drainage groove 3, and the drainage groove 3 is communicated with the storage groove 5;
a fixing rod 6 fixedly arranged inside the storage tank 5, wherein a pressing block 7 is arranged on the outer side of the fixing rod 6, and the pressing block 7 and the inside of the fixing rod 6 are connected with each other through a built-in spring 8 for providing restoring elasticity;
and a circulation groove 9 arranged at the side of the storage groove 5, wherein a shunting port 10 for shunting oil is arranged at the inner side of the circulation groove 9.
As shown in figures 1 and 2, the side chamfer 2 is arranged on the left side and the right side of the shaft sleeve body 1 in the using process, so that the mounting difficulty between the rotating shaft and the shaft sleeve body 1 can be reduced, the integral edges and corners can be passivated, and the concentration of stress is reduced.
The inner edge of the drainage groove 3 is provided with an internal thread, and the drainage groove 3 and the locking bolt 4 are in threaded connection.
The inner wall of the fixed rod 6 and the inner end outer wall of the extrusion block 7 are mutually attached, and an elastic telescopic structure is formed between the fixed rod 6 and the extrusion block 7 through the built-in spring 8.
The outer wall of the extrusion block 7 and the inner wall of the storage tank 5 are attached to each other, and the storage tank 5 and the circulation tank 9 are communicated with each other.
The circulation groove 9 and the branch opening 10 are vertically distributed, and the branch opening 10 is uniformly distributed on the inner side of the circulation groove 9.
As shown in fig. 1, 3 and 4, the locking bolt 4 is unscrewed at the left end of the sleeve body 1, at which time a certain amount of lubricating oil is added to the inside of the storing groove 5 through the drainage groove 3, then the locking bolt 4 is screwed into the drainage groove 3 again, the drainage groove 3 is sealed, when the shaft sleeve body 1 rotates, at the moment, the rotation of the shaft sleeve body 1 can enable the extrusion block 7 in the storage tank 5 to generate centrifugal force, the extrusion block 7 extends outwards in the fixed rod 6, the movement of the extrusion block 7 can push the lubricating oil in the storage tank 5, the lubricating oil flows into the circulating groove 9 after being pushed, the oil in the circulating groove 9 flows outwards through the shunting port 10, therefore, lubricating oil flowing out from the flow dividing port 10 can play a certain lubricating role, the friction force between the rotating shaft and the shaft sleeve body 1 is reduced, and the service life of the shaft sleeve body 1 is prolonged.
The working principle is as follows: when the shaft sleeve capable of reducing abrasion is used, firstly, as shown in fig. 1-4, the overall stress concentration can be reduced through the side chamfer 2 arranged at the corners of the left end part and the right end part of the shaft sleeve body 1, meanwhile, the rotation of the shaft sleeve body 1 can enable the extrusion block 7 to generate a certain centrifugal force, at the moment, the movement of the extrusion block 7 can push lubricating oil in the storage groove 5, the lubricating oil flows outwards through the circulation groove 9 and the branch opening 10, a certain lubricating effect can be achieved by utilizing the flowing lubricating oil, the overall friction loss is reduced, and the service life of the shaft sleeve is prolonged.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. A shaft sleeve for a rotating shaft capable of reducing abrasion comprises a shaft sleeve body (1) and an edge side chamfer (2), wherein the edge side chamfer (2) is arranged at the corners of the left end part and the right end part of the shaft sleeve body (1);
it is characterized by also comprising:
the drainage groove (3) is arranged in the left end side of the shaft sleeve body (1), the locking bolt (4) is arranged in the drainage groove (3), and the drainage groove (3) and the storage groove (5) are communicated with each other;
the fixing rod (6) is fixedly arranged in the storage tank (5), an extrusion block (7) is arranged on the outer side of the fixing rod (6), and the extrusion block (7) and the fixing rod (6) are connected with each other through an internal spring (8) for providing reset elasticity;
and the circulation groove (9) is arranged on the side of the storage groove (5), and a shunting port (10) for shunting oil is arranged on the inner side of the circulation groove (9).
2. A wear-reducing sleeve for a rotating shaft according to claim 1, wherein: the internal thread is arranged at the edge of the inner part of the drainage groove (3), and the drainage groove (3) is in threaded connection with the locking bolt (4).
3. A wear-reducing sleeve for a rotating shaft according to claim 1, wherein: the inner wall of the fixed rod (6) and the inner end outer wall of the extrusion block (7) are mutually attached, and the fixed rod (6) and the extrusion block (7) form an elastic telescopic structure through a built-in spring (8).
4. A wear-reducing sleeve for a rotating shaft according to claim 3, wherein: the outer wall of the extrusion block (7) and the inner wall of the storage groove (5) are mutually attached, and the storage groove (5) and the circulation groove (9) are mutually communicated.
5. A wear-reducing sleeve for a rotating shaft according to claim 4, wherein: the circulation groove (9) and the flow dividing ports (10) are vertically distributed, and the flow dividing ports (10) are uniformly distributed on the inner side of the circulation groove (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121760294.XU CN214888385U (en) | 2021-07-29 | 2021-07-29 | Shaft sleeve capable of reducing abrasion for rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121760294.XU CN214888385U (en) | 2021-07-29 | 2021-07-29 | Shaft sleeve capable of reducing abrasion for rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214888385U true CN214888385U (en) | 2021-11-26 |
Family
ID=78910091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121760294.XU Active CN214888385U (en) | 2021-07-29 | 2021-07-29 | Shaft sleeve capable of reducing abrasion for rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214888385U (en) |
-
2021
- 2021-07-29 CN CN202121760294.XU patent/CN214888385U/en active Active
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