CN216788991U - Needle bearing with abrasionproof decreases function - Google Patents
Needle bearing with abrasionproof decreases function Download PDFInfo
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- CN216788991U CN216788991U CN202122751132.6U CN202122751132U CN216788991U CN 216788991 U CN216788991 U CN 216788991U CN 202122751132 U CN202122751132 U CN 202122751132U CN 216788991 U CN216788991 U CN 216788991U
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- lubricating oil
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Abstract
The utility model belongs to the technical field of needle rollers, and particularly relates to a needle roller bearing with an anti-abrasion function, which comprises a needle roller shaft sleeve; a needle roller mandrel is rotatably connected inside the needle roller shaft sleeve; a mounting through hole is formed in the roller pin mandrel; a rotating shaft is fixedly connected to the inner wall of the needle roller shaft sleeve; the rotating shafts are arranged on the inner wall of the needle roller shaft sleeve and are regularly arranged in an annular array; the rotating shaft is rotatably connected with a roller pin body; drive the kingpin body through the kingpin dabber and rotate, and then drive the inside of arc sliding chamber retraction arc fender liquid board for the inside lubricating oil flow direction of lubricating oil chamber is to the surface of kingpin body, and then carries out lubricated structural design to the surface of kingpin body, has realized at the in-process that the kingpin was used, and the function of reducible kingpin internal wear has effectually solved current kingpin in the use, may be because object weight is great, causes the great problem of kingpin wearing and tearing.
Description
Technical Field
The utility model relates to the technical field of rolling needles, in particular to a rolling needle bearing with an anti-abrasion function.
Background
The needle bearing is a bearing with a cylindrical roller inside, and has the advantages of convenient assembly and disassembly, convenient maintenance and the like.
The needle bearing is widely used for mechanical devices such as machine tools, automobile gearboxes and the like.
In the use process of the existing needle bearing, the friction between a needle roller shaft sleeve and a needle roller core shaft is too large probably because the weight of a lifted object is heavy, so that the needle bearing is greatly abraded and damaged quickly; therefore, a needle bearing with an anti-wear function is proposed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects of the prior art and solve the problem that the abrasion between a needle roller sleeve and a needle roller core shaft is too large due to the fact that an object is lifted up to be heavy, and the needle roller is damaged quickly, the utility model provides a needle roller bearing with an anti-abrasion function.
The technical scheme adopted by the utility model for solving the technical problem is as follows: the utility model relates to a needle roller bearing with an anti-abrasion function, which comprises a needle roller shaft sleeve; a needle roller mandrel is rotatably connected inside the needle roller shaft sleeve; a mounting through hole is formed in the roller pin mandrel; a rotating shaft is fixedly connected to the inner wall of the needle roller shaft sleeve; the rotary shafts are arranged on the inner wall of the needle roller shaft sleeve and are regularly arranged in an annular array; the rotating shaft is rotatably connected with a roller pin body; the side wall of the needle roller body is in contact with the side wall of the needle roller core shaft; a lubricating oil cavity is formed in the needle roller shaft sleeve; the lubricating oil cavity is formed in the position corresponding to the rotating shaft; an oil conveying groove is formed in the surface of the roller pin body; the oil conveying grooves are arranged on the surface of the needle roller body in an annular array; the effectual current kingpin that has solved probably causes the great problem of kingpin wearing and tearing because object weight is great in the use.
Preferably, an arc-shaped sliding cavity is formed in the needle roller shaft sleeve; the arc-shaped sliding cavity is formed in the position corresponding to the lubricating oil cavity; an arc-shaped liquid baffle is connected inside the arc-shaped sliding cavity in a sliding manner; the arc-shaped sliding cavity and the arc-shaped liquid baffle are arranged in a shape adapting to each other; the size of the arc-shaped liquid baffle plate is larger than the size of an opening of the lubricating oil cavity; the side wall of the arc-shaped liquid baffle plate is fixedly connected with an arc-shaped spring; the end part of the arc spring is fixedly connected to the side wall of the arc sliding cavity; the side wall of the arc-shaped liquid baffle plate is contacted with the side wall of the needle roller body; unnecessary waste of lubricating oil is reduced.
Preferably, the interior of the needle roller shaft sleeve is communicated with an oil injection passage; the end part of the oil injection passage is communicated with the outside of the needle roller shaft sleeve; the other end of the oil injection passage is communicated with the inside of the lubricating oil cavity; the end part of the oil injection passage is in threaded connection with a thread sealing block; the surface of the thread sealing block is provided with a detachable screw groove; the shape of the thread sealing block is matched with that of the needle roller shaft sleeve; so that the lubricating oil is more convenient to supplement.
Preferably, a vacuum layer is arranged inside the needle roller shaft sleeve; the vacuum layer is annularly arranged in the roller pin shaft sleeve; the vacuum layer is arranged at a position avoiding the oil injection passage; so that the use environment of the lubricating oil is more stable.
Preferably, a fixed convex block is fixedly connected inside the vacuum layer; the fixed convex blocks are arranged inside the vacuum layer and are regularly arranged in an annular array; the end part of the fixed convex block is contacted with the side wall of the vacuum layer; the tip of the fixed convex block faces the outside of the needle roller shaft sleeve; so that the interior of the vacuum layer is more stable.
Preferably, the end part of the arc-shaped liquid baffle plate is fixedly connected with a sealing protruding strip; the sealing convex strips are arranged at the end parts of the arc-shaped liquid baffle plates; the sealing convex strips are regularly arranged on the side wall of the arc-shaped liquid baffle in a linear array manner; a sealing groove is formed in the side wall of the needle roller shaft sleeve; the sealing groove is formed at the position corresponding to the sealing convex strip; so that the lubricating oil is more difficult to seep out along the gap, and the waste of the lubricating oil is reduced.
The utility model has the advantages that:
1. according to the roller pin lubricating structure, the roller pin body is driven to rotate through the roller pin mandrel, the arc-shaped sliding cavity is further driven to be retracted into the arc-shaped liquid baffle plate, so that lubricating oil in the lubricating oil cavity flows to the surface of the roller pin body, the surface of the roller pin body is lubricated, the function of reducing the internal abrasion of the roller pin in the use process of the roller pin is realized, and the problem that the roller pin is abraded greatly due to the fact that the object is heavy in the use process of the existing roller pin is effectively solved.
2. According to the roller pin shaft sleeve, the annular vacuum layer is arranged in the roller pin shaft sleeve, and the fixed protruding blocks are used for supporting the inside of the vacuum layer, so that the function that the outside temperature is more difficult to enter the roller pin shaft sleeve is realized, the influence of the outside heat on lubricating oil is more difficult, and the lubricating oil is more convenient and stable to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a perspective view of a needle roller according to a first embodiment;
FIG. 2 is a front view of the needle roller according to the first embodiment;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a perspective view of the needle roller body according to the first embodiment;
FIG. 5 is an enlarged view at B in FIG. 3;
fig. 6 is a schematic structural view of the sponge layer of the second embodiment.
In the figure: 1. a needle roller shaft sleeve; 2. a needle roller mandrel; 201. mounting a through hole; 3. a rotating shaft; 301. a needle roller body; 302. an oil conveying tank; 4. a lubricating oil cavity; 5. an arc-shaped sliding cavity; 6. an arc-shaped liquid baffle plate; 7. an arc-shaped spring; 8. an oil injection passage; 9. a thread sealing block; 10. disassembling the screw groove; 11. a vacuum layer; 12. fixing the convex block; 13. sealing the raised strips; 14. sealing the groove; 15. a sponge layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-5, a needle bearing with anti-wear function includes a needle sleeve 1; a needle roller mandrel 2 is rotatably connected inside the needle roller shaft sleeve 1; a mounting through hole 201 is formed in the needle roller mandrel 2; a rotating shaft 3 is fixedly connected to the inner wall of the needle roller shaft sleeve 1; a plurality of rotating shafts 3 are arranged on the inner wall of the needle roller shaft sleeve 1 and are regularly arranged in an annular array; a needle roller body 301 is rotatably connected to the rotating shaft 3; the side wall of the needle roller body 301 is in contact with the side wall of the needle roller mandrel 2; a lubricating oil cavity 4 is formed in the needle roller shaft sleeve 1; the lubricating oil cavity 4 is arranged at the position corresponding to the rotating shaft 3; an oil conveying groove 302 is formed in the surface of the needle roller body 301; the oil conveying grooves 302 are arranged on the surface of the needle roller body 301 in an annular array; when the needle roller rotates, the needle roller spindle 2 can rotate inside the needle roller sleeve 1 and further contacts with the needle roller body 301, when friction between the needle roller spindle 2 and the needle roller body 301 is large, the needle roller body 301 can be driven to rotate along the rotating shaft 3, when the rotating shaft 3 rotates, lubricating oil in the lubricating oil cavity 4 can be conveyed out through the oil conveying groove 302, the surface of the rotating shaft 3 is lubricated, and further friction between the needle roller body 301 and the needle roller spindle 2 is reduced, when the needle roller spindle 2 and the needle roller body 301 rotate, the friction between the needle roller spindle 2 and the needle roller body 301 is smaller, further abrasion between the needle roller spindle 2 and the needle roller body 301 is smaller, and the problem that the existing needle roller is likely to cause large abrasion due to large object weight in the using process is effectively solved.
An arc-shaped sliding cavity 5 is formed in the needle roller shaft sleeve 1; the arc-shaped sliding cavity 5 is arranged at the position corresponding to the lubricating oil cavity 4; an arc-shaped liquid baffle plate 6 is connected inside the arc-shaped sliding cavity 5 in a sliding manner; the arc-shaped sliding cavity 5 and the arc-shaped liquid baffle 6 are arranged in a shape adapting to each other; the size of the arc-shaped liquid baffle plate 6 is larger than that of the opening of the lubricating oil cavity 4; the side wall of the arc-shaped liquid baffle 6 is fixedly connected with an arc-shaped spring 7; the end part of the arc spring 7 is fixedly connected to the side wall of the arc sliding cavity 5; the side wall of the arc-shaped liquid baffle 6 is contacted with the side wall of the needle roller body 301; when the needle roller lubricating device works, when the friction force on the surface of the needle roller body 301 is large, the arc-shaped liquid baffle 6 in contact with the needle roller body 301 can be driven to slide through the friction force, so that the arc-shaped liquid baffle 6 is retracted into the arc-shaped sliding cavity 5, lubricating oil in the lubricating oil cavity 4 can flow to the surface of the needle roller body 301, when the surface friction force of the needle roller body 301 is small, the arc-shaped liquid baffle 6 cannot be driven to slide, the opening of the lubricating oil cavity 4 can be plugged again through the arc-shaped spring 7, the lubricating oil in the lubricating oil cavity 4 cannot flow out, the lubricating oil can flow out when needing lubrication, when the lubricating oil is not needed, the lubricating oil can be stored in the lubricating oil cavity 4, and unnecessary waste of the lubricating oil is reduced.
The interior of the needle roller shaft sleeve 1 is communicated with an oil injection passage 8; the end part of the oil injection passage 8 is communicated with the outside of the needle roller shaft sleeve 1; the other end of the oil injection passage 8 is communicated with the inside of the lubricating oil cavity 4; the end part of the oil injection passage 8 is in threaded connection with a thread sealing block 9; the surface of the thread sealing block 9 is provided with a detachable screw groove 10; the shape of the thread sealing block 9 is matched with that of the needle roller shaft sleeve 1; when the lubricating oil feeding device works, when the lubricating oil in the lubricating oil cavity 4 needs to be added, the thread sealing block 9 can be screwed out by disassembling the screw groove 10, then the thread sealing block 9 can be taken out, and then the lubricating oil can be added into the lubricating oil cavity 4 through the oil injection channel 8, so that the lubricating oil can be more conveniently supplemented, after the lubricating oil is added, the thread sealing block 9 can be screwed into the end part of the oil injection channel 8, and further the lubricating oil in the lubricating oil cavity 4 can not flow out.
A vacuum layer 11 is arranged inside the needle roller shaft sleeve 1; the vacuum layer 11 is annularly arranged in the roller pin shaft sleeve 1; the vacuum layer 11 is arranged at a position avoiding the oil injection passage 8; when the roller pin lubricating device works, in the process of using the roller pin, the vacuum layer 11 arranged in the roller pin shaft sleeve 1 can make external heat more difficult to enter the roller pin shaft sleeve 1, so that lubricating oil in the lubricating oil cavity 4 is less influenced by the outside, the possibility that the lubricating oil is rapidly sintered into blocks due to the influence of temperature when the roller pin is used in an environment with higher temperature is reduced, and the using environment of the lubricating oil is more stable.
A fixed convex block 12 is fixedly connected inside the vacuum layer 11; the fixed convex blocks 12 are arranged inside the vacuum layer 11 and are regularly arranged in an annular array; the end of the fixed bump 12 is in contact with the side wall of the vacuum layer 11; the tip of the fixed convex block 12 faces the outside of the needle roller sleeve 1; during operation, the fixed protruding blocks 12 are arranged inside the vacuum layer 11, so that the inside of the vacuum layer 11 is more stable, the influence of air pressure on the vacuum layer 11 is less, the tips of the fixed protruding blocks 12 face the outside of the needle roller sleeve 1, the speed of heat conduction to the inside of the fixed protruding blocks 12 is slower, and the inside of the vacuum layer 11 is more stable.
The end part of the arc-shaped liquid baffle 6 is fixedly connected with a sealing convex strip 13; a plurality of sealing convex strips 13 are arranged at the end part of the arc-shaped liquid baffle 6; the sealing convex strips 13 are regularly arranged on the side wall of the arc-shaped liquid baffle 6 in a linear array; a sealing groove 14 is formed in the side wall of the needle roller shaft sleeve 1; the sealing groove 14 is formed at the position corresponding to the sealing convex strip 13; when the arc-shaped liquid baffle plate 6 is used for stopping lubricating oil, the sealing convex strips 13 arranged at the end part of the arc-shaped liquid baffle plate 6 are meshed with the sealing grooves 14, so that the sealing performance of the arc-shaped liquid baffle plate 6 can be improved, the lubricating oil is more difficult to seep out along a gap, and the waste of the lubricating oil is reduced.
Example two
Referring to fig. 6, in a first comparative example, as another embodiment of the present invention, a sponge layer 15 is fixed to a side wall of the needle roller sleeve 1; the sponge layer 15 is arranged at the end part of the side wall of the lubricating oil cavity 4; when the needle roller sleeve is in operation, when lubricating oil flows down along the side wall of the lubricating oil cavity 4, the lubricating oil can moisten the sponge layer 15, so that when the needle roller bodies 301 roll in contact with the side wall of the needle roller sleeve 1, the lubricating oil can be smeared on the surface positions of the needle roller bodies 301 through the sponge layer 15, and further the lubricating oil can be smeared on the surface positions of the needle roller bodies 301 more uniformly.
The working principle is that during operation, when the needle roller rotates, the needle roller spindle 2 rotates inside the needle roller sleeve 1 and then contacts with the needle roller body 301, when the friction force between the needle roller spindle 2 and the needle roller body 301 is large, the needle roller body 301 is driven to rotate along the rotating shaft 3, when the rotating shaft 3 rotates, the lubricating oil in the lubricating oil cavity 4 is transported out through the oil transporting groove 302, the surface of the rotating shaft 3 is lubricated, and then the friction force between the needle roller body 301 and the needle roller spindle 2 is reduced, so that when the needle roller spindle 2 and the needle roller body 301 rotate, the friction force between the needle roller spindle 2 and the needle roller body 301 is smaller, and further the abrasion between the needle roller spindle 2 and the needle roller body 301 is less, thereby effectively solving the problem that the abrasion of the needle roller is large due to the large weight of an object during the use process of the existing needle roller, and when the friction force on the surface of the needle roller body 301 is large, the arc-shaped liquid baffle plate 6 which is contacted with the needle roller body 301 is driven to slide through friction force, so that the arc-shaped liquid baffle plate 6 is retracted into the arc-shaped sliding cavity 5, lubricating oil in the lubricating oil cavity 4 can flow to the surface of the needle roller body 301, when the surface friction force of the needle roller body 301 is small, the arc-shaped liquid baffle plate 6 cannot be driven to slide, the opening of the lubricating oil cavity 4 can be blocked again through the arc-shaped liquid baffle plate 6 through the elasticity of the arc-shaped spring 7, the lubricating oil in the lubricating oil cavity 4 cannot flow out, the lubricating oil can flow out when needing lubricating, the lubricating oil can be stored in the lubricating oil cavity 4 when not needing lubricating, unnecessary waste of the lubricating oil is reduced, when the lubricating oil in the lubricating oil cavity 4 needs to be added, the thread sealing block 9 can be screwed out through disassembling the screw groove 10, the thread sealing block 9 is further taken out, and then the lubricating oil can be added into the lubricating oil cavity 4 through the oil injection passage 8, the lubricating oil can be more conveniently supplemented, after the lubricating oil is added, the thread sealing block 9 can be screwed into the end part of the oil injection channel 8, so that the lubricating oil in the lubricating oil cavity 4 can not flow out, in the process of using the roller pin, the external heat can be more difficult to enter the roller pin shaft sleeve 1 through the vacuum layer 11 arranged in the roller pin shaft sleeve 1, so that the lubricating oil in the lubricating oil cavity 4 is less influenced by the outside, the possibility that the lubricating oil is rapidly sintered into blocks due to the influence of the temperature when the roller pin is used in an environment with higher temperature is reduced, the using environment of the lubricating oil is more stable, the fixed raised block 12 is arranged in the vacuum layer 11, so that the inside of the vacuum layer 11 is more stable, the influence of the air pressure on the vacuum layer 11 is less, the tip of the fixed raised block 12 faces the outside of the roller pin shaft sleeve 1, and the speed of heat conduction to the inside of the fixed raised block 12 can be higher, make the inside on vacuum layer 11 more stable, when arc fender liquid board 6 blockked lubricating oil, keep off the sealed protruding strip 13 that the tip set up of liquid board 6 through the arc and sealed recess 14's intermeshing, multiplicable arc keeps off the leakproofness of liquid board 6, and then makes lubricating oil more difficult to follow the gap and oozes, has reduced the waste of lubricating oil.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and such changes and modifications are within the scope of the utility model as claimed.
Claims (6)
1. The utility model provides a needle bearing with abrasionproof decreases function which characterized in that: comprises a needle roller sleeve (1); a needle roller mandrel (2) is rotatably connected inside the needle roller shaft sleeve (1); a mounting through hole (201) is formed in the needle roller mandrel (2); a rotating shaft (3) is fixedly connected to the inner wall of the needle roller shaft sleeve (1); the rotating shafts (3) are arranged on the inner wall of the needle roller shaft sleeve (1) and are regularly arranged in an annular array; a needle roller body (301) is connected to the rotating shaft (3) in a rotating manner; the side wall of the needle roller body (301) is in contact with the side wall of the needle roller mandrel (2); a lubricating oil cavity (4) is formed in the needle roller shaft sleeve (1); the lubricating oil cavity (4) is arranged at the position corresponding to the rotating shaft (3); an oil conveying groove (302) is formed in the surface of the needle roller body (301); the oil conveying grooves (302) are arranged on the surface of the needle roller body (301) in an annular array.
2. The needle bearing with wear prevention function as set forth in claim 1, wherein: an arc-shaped sliding cavity (5) is formed in the needle roller shaft sleeve (1); the arc-shaped sliding cavity (5) is arranged at the position corresponding to the lubricating oil cavity (4); an arc-shaped liquid baffle plate (6) is connected inside the arc-shaped sliding cavity (5) in a sliding manner; the arc-shaped sliding cavity (5) and the arc-shaped liquid baffle plate (6) are arranged in a shape adapting to each other; the size of the arc-shaped liquid baffle plate (6) is larger than the size of an opening of the lubricating oil cavity (4); an arc-shaped spring (7) is fixedly connected to the side wall of the arc-shaped liquid baffle plate (6); the end part of the arc spring (7) is fixedly connected to the side wall of the arc sliding cavity (5); the side wall of the arc-shaped liquid baffle (6) is in contact with the side wall of the needle roller body (301).
3. The needle bearing with wear prevention function as claimed in claim 2, wherein: the interior of the needle roller shaft sleeve (1) is communicated with an oil injection passage (8); the end part of the oil injection passage (8) is communicated with the outside of the needle roller shaft sleeve (1); the other end of the oil injection passage (8) is communicated with the inside of the lubricating oil cavity (4); the end part of the oil injection passage (8) is in threaded connection with a thread sealing block (9); a dismounting screw groove (10) is formed in the surface of the thread sealing block (9); the shape of the thread sealing block (9) is matched with that of the needle roller shaft sleeve (1).
4. The needle bearing with wear prevention function as claimed in claim 3, wherein: a vacuum layer (11) is arranged inside the needle roller shaft sleeve (1); the vacuum layer (11) is annularly arranged in the roller pin shaft sleeve (1); the vacuum layer (11) is arranged at a position avoiding the oil injection passage (8).
5. The needle bearing with wear prevention function as claimed in claim 4, wherein: a fixed convex block (12) is fixedly connected inside the vacuum layer (11); the fixed convex blocks (12) are arranged inside the vacuum layer (11) and are regularly arranged in an annular array; the end part of the fixed convex block (12) is contacted with the side wall of the vacuum layer (11); the tip of the fixed convex block (12) faces the outside of the needle roller sleeve (1).
6. The needle bearing with wear prevention function as set forth in claim 5, wherein: the end part of the arc-shaped liquid baffle (6) is fixedly connected with a sealing convex strip (13); a plurality of sealing convex strips (13) are arranged at the end part of the arc-shaped liquid baffle plate (6); the sealing convex strips (13) are regularly arranged on the side wall of the arc-shaped liquid baffle plate (6) in a linear array manner; a sealing groove (14) is formed in the side wall of the needle roller shaft sleeve (1); the sealing groove (14) is arranged at the position corresponding to the sealing convex strip (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122751132.6U CN216788991U (en) | 2021-11-10 | 2021-11-10 | Needle bearing with abrasionproof decreases function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122751132.6U CN216788991U (en) | 2021-11-10 | 2021-11-10 | Needle bearing with abrasionproof decreases function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216788991U true CN216788991U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122751132.6U Active CN216788991U (en) | 2021-11-10 | 2021-11-10 | Needle bearing with abrasionproof decreases function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216788991U (en) |
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2021
- 2021-11-10 CN CN202122751132.6U patent/CN216788991U/en active Active
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