CN213684984U - Retainer for cylindrical roller bearing and cylindrical roller bearing - Google Patents
Retainer for cylindrical roller bearing and cylindrical roller bearing Download PDFInfo
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- CN213684984U CN213684984U CN202022836849.6U CN202022836849U CN213684984U CN 213684984 U CN213684984 U CN 213684984U CN 202022836849 U CN202022836849 U CN 202022836849U CN 213684984 U CN213684984 U CN 213684984U
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Abstract
The utility model provides a cylinder roller is holder and cylinder roller bearing for bearing, including ring shape holder body, the pocket hole has been seted up on the ring shape holder body, the pocket hole is equipped with a plurality ofly around the central axis uniform spacing of ring shape holder body on ring shape holder body, still be formed with the lintel on the ring shape holder body, the lintel all is provided with one, and arbitrary between arbitrary two adjacent pockets the lintel is close to the lateral wall in two adjacent pockets holes with it and all has seted up the fillet with the junction of ring shape holder body, arbitrary the axis equal perpendicular to ring shape holder body's the central axis in fillet. The fillets formed at the four corners of the pocket are beneficial to relaxing the concentrated stress of the retainer on one hand, and are beneficial to improving the lubricating performance on the other hand, so that the service life of the cylindrical roller bearing is prolonged.
Description
Technical Field
The utility model relates to a bearing technical field specifically, relates to a cylinder roller is holder and cylinder roller bearing for bearing.
Background
A rolling bearing is a precise mechanical element that changes sliding friction between a running shaft and a bearing housing into rolling friction, thereby reducing friction loss. The rolling bearing generally comprises an inner ring, an outer ring, a rolling body and a retainer. The retainer plays a role in uniformly isolating the rolling bodies and guiding the rolling bodies to move.
A cylindrical roller bearing is one type of rolling bearing, and the cylindrical roller bearing is often required to bear large radial and axial loads during operation.
The prior chinese patent publication No. CN204921708U discloses a retainer for a cylindrical roller bearing, which includes a retainer seat and a retainer cover disposed on an end face of the retainer seat, the retainer seat and the retainer cover are riveted and fixed by rivets, rivet holes riveted with the rivets are uniformly disposed on an outer edge of a contour of the end face of the retainer seat, a plurality of roller caulking grooves are uniformly disposed on the retainer seat, and a rivet hole is disposed between adjacent roller caulking grooves.
The inventor believes that the retainer riveted by the retainer base and the retainer cover is easy to cause the actual size of the bearing to deviate, and the movement stability of the retainer is poor, thereby reducing the service life of the bearing, and there is a need for improvement.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a cylindrical roller is holder and cylindrical roller bearing for bearing.
According to the utility model provides a pair of cylindrical roller is holder for bearing, including ring shape holder body, the pocket hole has been seted up on the ring shape holder body, the pocket hole is equipped with a plurality ofly around the central axis of ring shape holder body equidistant on ring shape holder body, still be formed with the lintel on the ring shape holder body, the lintel all is provided with one between arbitrary two adjacent pocket holes, and arbitrary the fillet has all been seted up, arbitrary to the lateral wall that the lintel is close to two adjacent pocket holes with it and the junction of ring shape holder body the axis of fillet equal perpendicular to ring shape holder body's the central axis.
Preferably, both ends of the fillet penetrate through the circular retainer body.
Preferably, the pocket includes rectangular through holes, and any rounded corner on the pocket sidewall is located at a corner of the pocket sidewall.
Preferably, the cross beam extends to one side far away from the circular ring-shaped retainer body and is provided with a protruding part, and an inclined plane is connected between the protruding part and the circular ring-shaped retainer body.
Preferably, the side surface of the convex part far away from the circular ring-shaped retainer body is a smooth plane.
Preferably, an arc-shaped surface is formed on the side wall of the lintel, which is close to the adjacent pocket, the axis of the arc-shaped surface is parallel to the central axis of the circular retainer body, and the arc-shaped surface is communicated with any round angle on the same lintel side wall.
Preferably, a roller cambered surface is formed on the side wall of the lintel, which is close to the adjacent pocket, the axis of the roller cambered surface is parallel to the central axis of the arc-shaped surface, and the roller cambered surface is connected with the arc-shaped surface.
According to the utility model provides a cylindrical roller bearing, including ring shape holder body, a plurality of cylindrical roller, bearing inner race and bearing outer race, the pocket hole has been seted up on the ring shape holder body, the pocket hole is equipped with a plurality ofly at equidistant around the central axis of ring shape holder body on ring shape holder body, still be formed with the lintel on the ring shape holder body, the lintel all is provided with one between any two adjacent pocket holes, and arbitrary lintel is close to the lateral wall of two adjacent pocket holes with it and all sets up the fillet with the junction of ring shape holder body, and the axis of arbitrary fillet all is perpendicular to the central axis of ring shape holder body; both ends of the fillet penetrate through the circular retainer body; the pocket comprises rectangular through holes, and any round angle on the pocket side wall is positioned at the corner of the pocket side wall; the cross beam extends to one side far away from the circular retainer body and is provided with a protruding part, and an inclined plane is connected between the protruding part and the circular retainer body; the side surface of the convex part far away from the circular retainer body is a smooth plane; an arc-shaped surface is formed on the side wall of the lintel, close to the adjacent pocket, the axis of the arc-shaped surface is parallel to the central axis of the circular retainer body, and the arc-shaped surface is communicated with any round angle on the side wall of the same lintel; the roller cambered surface is formed on the side wall of the lintel, which is close to the adjacent pocket, the axis of the roller cambered surface is parallel to the central axis of the cambered surface, and the roller cambered surface is connected with the cambered surface.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a set up the pocket hole on ring shape holder body and make the holder that cylindrical roller bearing used, this holder is integral holder to help improving cylindrical roller bearing's precision, reliability and shock resistance, and then help improving cylindrical roller bearing motion's stability, and the fillet that pocket hole four corners department seted up, help alleviating the concentrated stress of holder on the one hand, on the other hand helps improving lubricating property, and then help improving cylindrical roller bearing's life.
2. The utility model discloses a cooperation of bellying and roller cambered surface helps improving cylindrical roller and inlays the stability of establishing in the pocket hole, and helps improving the stability of cylindrical roller motion.
3. The utility model discloses all link up the fillet of ring shape holder and the cooperation storage grease of arcwall face with the help of axial both ends, help improving the lubricating property of bearing, and then help improving cylindrical roller bearing's life.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view mainly showing the overall structure of the retainer of the present invention;
fig. 2 is a schematic cross-sectional view of the cylindrical roller bearing of the present invention;
reference numerals: 1. a circular retainer body; 2. a pocket hole; 21. round corners; 3. a lintel; 31. an arc-shaped surface; 32. a roller arc surface; 33. a boss portion; 331. a bevel; 4. a cylindrical roller; 5. a bearing inner race; 6. a bearing outer race; 61. and (7) blocking edges.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
As shown in fig. 1, according to the utility model provides a pair of cylindrical roller is holder for bearing, including ring shape holder body 1, ring shape holder body 1 is made by brass and has sufficient wall thickness, and ring shape holder body 1 that is formed by brass through processing has sufficient structural strength, and the heat is good, coefficient of friction is little. The pocket 2 has been seted up on the lateral wall of ring shape holder body 1, and pocket 2 is the rectangle through-hole, and pocket 2 is equipped with a plurality ofly around the central axis of ring shape holder body 1 equally spaced apart on the lateral wall of ring shape holder body 1.
As shown in fig. 1, fillets 21 are formed on the side walls of four corners of any pocket 2 on the circular retainer body 1, the axis of any fillet 21 is perpendicular to the central axis of the circular retainer body 1, and both axial ends of any fillet 21 penetrate through the circular retainer body 1. The fillets 21 on the side walls of the pockets 2 store grease, so that the lubricating state of the outer surfaces of the side walls of the pockets 2 on the circular retainer body 1 is improved, and the bearing can keep good lubricating performance. The size of any fillet 21 is determined by stress calculation, which is beneficial to reducing stress concentration on the side wall of the pocket 2 and prolonging the service life of the retainer.
As shown in fig. 1, a lintel 3 is integrally formed between any two adjacent pockets 2 on the circular cage body 1, and any lintel 3 plays a role in isolating and guiding the rollers embedded in the two adjacent pockets 2. Since the structure and the installation manner of any one of the lintels 3 are the same, one lintel 3 will be explained as an example. Arc-shaped surfaces 31 are arranged on the side walls, close to the two adjacent pockets 2, of the lintel 3, the axis of any arc-shaped surface 31 is parallel to the central axis of the circular ring-shaped retainer body 1, and any arc-shaped surface 31 is communicated with two fillets 21 on the side wall of the lintel 3. On the one hand, the structural strength of the side wall of the lintel 3 is improved, on the other hand, the arc-shaped surface 31 can store grease, and the lubricating performance of the bearing is improved.
Any one side of any one arc surface 31 on the side wall of the lintel 3, which is close to the inner ring of the circular retainer body 1, is integrally formed with a roller arc surface 32, the axis of any one roller arc surface 32 is parallel to the axis of the arc surface 31, and any one roller arc surface 32 is communicated with the corresponding arc surface 31. Two roller cambered surfaces 32 by being located pocket 2 and being the relative stability of establishing in pocket 2 have been improved to two roller cambered surfaces 32 setbacks the roller on the lateral wall that sets up, and roller cambered surface 32 still plays the guide effect to the rotation of roller.
The lintel 3 is integrally formed with a convex part 33, the convex part 33 extends to one side far away from the circular ring-shaped retainer body 1 and extends out of the circular ring-shaped retainer body 1, and inclined planes 331 are connected between the two side walls of the convex part 33 along the axis of the circular ring-shaped retainer body 1 and the circular ring-shaped retainer body 1, so that the overall structural strength of the lintel 3 is improved. And the side surface of the convex part 33 far away from the circular retainer body 1 is a smooth plane, so that the stability of the whole motion of the bearing is improved.
As shown in fig. 2, according to the utility model provides a pair of cylindrical roller bearing, including ring shape holder body 1, cylindrical roller 4, bearing inner race 5 and bearing outer race 6.
The annular retainer body 1 is coaxially arranged between the bearing inner ring 5 and the bearing outer ring 6, one cylindrical roller 4 is embedded in any pocket 2 on the annular retainer body 1, and the rotating axis of any cylindrical roller 4 is parallel to the central axis of the annular retainer body 1.
The bearing outer ring 6 is provided with flanges 61 along the two axial sides in an integrated manner, any cylindrical roller 4 is embedded between the two flanges 61, and the any cylindrical roller 4 and the two flanges 61 are in sliding fit. By means of the stopping function of the two flanges 61, the integral structural strength and the shock resistance of the cylindrical roller bearing are improved.
Principle of operation
In operation, the ring shape holder body coaxial arrangement that the integral was made is between bearing inner race and bearing inner race, the precision and the shock resistance of bearing have been improved, arbitrary cylinder roller all inlays to be established in the pocket downtheholely, and arbitrary cylinder roller's axis of rotation all is on a parallel with the central axis of ring shape holder body, by the fillet storage grease of seting up in pocket hole lateral wall four corners department, the lubricating property of pocket hole lateral wall surface has been improved, and the stress concentration on the pocket hole lateral wall has been reduced, thereby reduce the wearing and tearing in pocket hole, and the bellying on the lintel has improved the holistic structural strength of lintel, help improving the life of ring shape holder.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (8)
1. The retainer for the cylindrical roller bearing is characterized by comprising a circular retainer body (1), wherein pocket holes (2) are formed in the circular retainer body (1), a plurality of pocket holes (2) are formed in the circular retainer body (1) at equal intervals around the central axis of the circular retainer body (1), and lintels (3) are further formed on the circular retainer body (1);
the cross beam (3) is arranged between any two adjacent pockets (2), fillets (21) are arranged at the connecting positions of the side walls of the two adjacent pockets (2) of the cross beam (3) and the circular ring-shaped retainer body (1) and are random, and the axis of each fillet (21) is perpendicular to the central axis of the circular ring-shaped retainer body (1).
2. Cage for cylindrical roller bearings, according to claim 1, characterized in that the fillets (21) extend through the annular cage body (1) at both ends.
3. Cage for a cylindrical roller bearing according to claim 1, characterized in that the pockets (2) comprise rectangular through holes, and that any fillet (21) in the side walls of the pockets (2) is located at a corner of the side wall of the pocket (2).
4. Cage for cylindrical roller bearings according to claim 1, characterized in that the crosspiece (3) extends to the side remote from the annular cage body (1) and is formed with a projection (33), the inclined plane (331) being connected between the projection (33) and the annular cage body (1).
5. Cage for cylindrical roller bearings according to claim 4, characterized in that the side of the projections (33) facing away from the annular cage body (1) is smooth and flat.
6. Cage for cylindrical roller bearings according to claim 1, characterized in that the web (3) has an arc-shaped surface (31) formed on its side wall adjacent to the pocket (2), the axis of the arc-shaped surface (31) being parallel to the central axis of the circular cage body (1), and the arc-shaped surface (31) communicating with any fillet (21) located on the same web (3) side wall.
7. The cage for a cylindrical roller bearing as set forth in claim 6, wherein roller arc faces (32) are formed on the side walls of the lintel (3) adjacent to the pockets (2), the axes of the roller arc faces (32) are parallel to the central axis of the arc face (31), and the roller arc faces (32) are connected to the arc face (31).
8. A cylindrical roller bearing is characterized by comprising a circular retainer body (1), a plurality of cylindrical rollers (4), a bearing inner ring (5) and a bearing outer ring (6), wherein a pocket hole (2) is formed in the circular retainer body (1), the pocket holes (2) are formed in the circular retainer body (1) at equal intervals around the central axis of the circular retainer body (1), and a lintel (3) is further formed on the circular retainer body (1); one cross beam (3) is arranged between any two adjacent pockets (2), fillets (21) are formed in the connecting positions, close to the side walls of the two adjacent pockets (2), of any one cross beam (3) and the circular ring-shaped retainer body (1), and the axis of any fillet (21) is perpendicular to the central axis of the circular ring-shaped retainer body (1); both ends of the fillet (21) penetrate through the circular retainer body (1); the pocket (2) comprises rectangular through holes, and any fillet (21) on the side wall of the pocket (2) is positioned at the corner of the side wall of the pocket (2); the lintel (3) extends to one side far away from the circular retainer body (1) and is provided with a convex part (33), and an inclined plane (331) is connected between the convex part (33) and the circular retainer body (1); the side surface of the convex part (33) far away from the circular retainer body (1) is a smooth plane; an arc-shaped surface (31) is formed on the side wall of the lintel (3) close to the adjacent pocket (2), the axis of the arc-shaped surface (31) is parallel to the central axis of the circular retainer body (1), and the arc-shaped surface (31) is communicated with any fillet (21) on the side wall of the same lintel (3); the roller cambered surface (32) is formed on the side wall of the lintel (3) close to the adjacent pocket hole (2), the axis of the roller cambered surface (32) is parallel to the central axis of the arc-shaped surface (31), and the roller cambered surface (32) is connected with the arc-shaped surface (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022836849.6U CN213684984U (en) | 2020-12-01 | 2020-12-01 | Retainer for cylindrical roller bearing and cylindrical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022836849.6U CN213684984U (en) | 2020-12-01 | 2020-12-01 | Retainer for cylindrical roller bearing and cylindrical roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213684984U true CN213684984U (en) | 2021-07-13 |
Family
ID=76737796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022836849.6U Active CN213684984U (en) | 2020-12-01 | 2020-12-01 | Retainer for cylindrical roller bearing and cylindrical roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213684984U (en) |
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2020
- 2020-12-01 CN CN202022836849.6U patent/CN213684984U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201801 No.301 shangxue Road, Malu Town, Jiading District, Shanghai Patentee after: Shanghai Bearing Technology Research Institute Co.,Ltd. Address before: 201801 No.301 shangxue Road, Malu Town, Jiading District, Shanghai Patentee before: SHANGHAI BEARING TECHNOLOGY Research Institute |