CN219655097U - High-speed ball bearing retainer - Google Patents
High-speed ball bearing retainer Download PDFInfo
- Publication number
- CN219655097U CN219655097U CN202320632882.8U CN202320632882U CN219655097U CN 219655097 U CN219655097 U CN 219655097U CN 202320632882 U CN202320632882 U CN 202320632882U CN 219655097 U CN219655097 U CN 219655097U
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- China
- Prior art keywords
- retainer
- sealing sleeve
- connecting rod
- connecting hole
- holder
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- 238000007789 sealing Methods 0.000 claims abstract description 44
- 238000013461 design Methods 0.000 claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 12
- 239000003921 oil Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model belongs to the field of ball bearing application equipment, and particularly relates to a high-speed ball bearing retainer, which comprises a retainer body which is in split type up-down design, wherein the retainer body comprises an upper retainer and a lower retainer, a connecting component is arranged between two adjacent grooves, the connecting component comprises a connecting hole arranged in the retainer body, a positioning connecting rod is arranged on the retainer body corresponding to the connecting hole, a ring block is arranged at the periphery of the lower end of the positioning connecting rod, annular grooves are formed in the retainer body at the position of the ring block, the connecting hole and the positioning connecting rod are respectively arranged on the upper retainer and the lower retainer in a staggered mode, a placing groove which is in step-shaped design is formed at the end part of the connecting hole, and a sealing sleeve is arranged in the placing groove. The utility model can further improve the stability of the connection between the retainers, reduce the possibility of relative movement, accurately position and connect the components, improve the assembly working process and meet the use requirement.
Description
Technical Field
The utility model belongs to the field of ball bearing application equipment, and particularly relates to a high-speed ball bearing retainer.
Background
The ball bearing is mainly composed of four basic elements: the balls, inner ring, outer ring and cage are also called cage. The ball bearings used in the industry generally meet the AISI52100 standard, the balls and rings are typically made of high chromium steel, and the cage is of a lower hardness than the balls and rings, and is made of a metal (e.g., medium carbon steel, aluminum alloy) or a non-metal (e.g., teflon, PTEF, polymeric material). Since the ball bearing has a smaller rotational friction resistance than the journal bearing, the temperature generated by friction is relatively low at the same rotational speed.
When the bearing works, particularly when the load is complex and the bearing rotates at a high speed, the retainer bears great centrifugal force, impact and vibration, great sliding friction exists between the retainer and the rolling body, and a great amount of heat is generated; that is, in order to ensure that the bearing has a good service life, not only the high quality of the material of the retainer, but also a good lubricating effect of the newspaper rack is ensured; at present, the stability of the retainer needs to be ensured in the process of bearing larger centrifugal force, impact and vibration, particularly for the retainer which is in an up-down split type design, in the prior art, the retainer is usually connected by using bolts or rivets in a punching mode, and has good connection stability, but along with the high-speed operation and use of the bearing, the retainer is loose, namely, the upper retainer and the lower retainer are easy to generate relative motion, so that the usability of the bearing is greatly influenced.
Disclosure of Invention
Aiming at the technical problems, the utility model provides the high-speed ball bearing retainer which has reasonable design, simple structure, convenient processing and capabilities of effectively and further improving the stability of the connection between the retainers, reducing the possibility of relative movement, ensuring accurate positioning and connection of parts, improving the assembly working process, saving time and labor, improving the working process and fully meeting the use requirements.
In order to achieve the above purpose, the technical scheme adopted by the utility model is that the high-speed ball bearing retainer comprises a retainer body which is designed in a split type up-down manner, the retainer body comprises an upper retainer and a lower retainer, a plurality of grooves are uniformly formed in the upper retainer and the lower retainer, rolling bodies are arranged in the grooves, a connecting component is arranged between every two adjacent grooves, the connecting component comprises a connecting hole which is arranged in the retainer body, a positioning connecting rod is arranged on the retainer body corresponding to the connecting hole, a ring block is arranged at the periphery of the lower end of the positioning connecting rod, annular grooves are formed in the retainer body at the ring block, the connecting hole and the positioning connecting rod are respectively arranged on the upper retainer and the lower retainer in a staggered manner, a stepped-design placing groove is formed in the end part of the connecting hole, and a sealing sleeve is arranged in the placing groove.
Preferably, the inner side surface of the sealing sleeve is in a contracted shape, the inner hole of the sealing sleeve positioned at the outer side is tightly matched with the outer diameter of the ring block, and correspondingly, the inner hole of the sealing sleeve positioned at the inner side is in clearance fit with the outer diameter of the positioning connecting rod.
Preferably, the sealing sleeve is formed by combining a hard sealing sleeve and a soft sealing sleeve along the direction from the inlet of the positioning connecting rod to the retainer, the hard sealing sleeve is clamped in the annular groove, and the soft sealing sleeve is arranged in the connecting hole.
Preferably, the inner side wall of the groove is provided with an oil guide groove in annular design, and the retainer body is also provided with an oil filling hole and communicated with the oil guide groove.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. according to the high-speed ball bearing retainer, the connecting assembly and the sealing sleeve are arranged, and the positioning connecting rod is inserted into the connecting hole, so that the positioning accuracy among equipment parts is guaranteed, the universality is strong, and the cost is effectively saved; through the sealing sleeve, on one hand, the tightness of the connection between the equipment parts is improved, on the other hand, the installation between the parts is more convenient, the connection performance is stable, the use effect is obvious, and meanwhile, the possibility of relative movement of the retainer is reduced, and the use function of the retainer is ensured; this device reasonable in design, simple structure, processing convenience just can effectively further improve the complex stability of being connected between the holder, reduce its possibility of appearing relative motion, and the part location is connected accurately, improves assembly work process, labour saving and time saving promotes work process, fully satisfies the user demand.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic view of a high speed ball bearing cage;
FIG. 2 is a partial internal elevational view of a high speed ball bearing cage;
FIG. 3 is a side view of a portion of the internal structure of a high speed ball bearing cage;
FIG. 4 is an enlarged schematic view of a portion of the structure shown in FIG. 3A;
in the above figures, 1, upper retainer; 2. a lower holder; 3. a groove; 31. an oil guiding groove; 32. an oil filling hole; 4. a rolling element; 5. a connection hole; 51. a placement groove; 6. positioning a connecting rod; 61. a ring block; 7. a ring groove; 8. sealing sleeve; 81. a hard sealing sleeve; 82. soft sealing sleeve.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the high-speed ball bearing retainer comprises a retainer body which is designed in a split type up-down manner, wherein the retainer body comprises an upper retainer 1 and a lower retainer 2, a plurality of grooves 3 are uniformly formed in the upper retainer 1 and the lower retainer 2, and rolling bodies 4 are arranged in the grooves 3, wherein the establishment, connection and the like of the equipment parts are all of the prior art, and specific working principles and working modes can be effectively known to those skilled in the art and are not repeated herein; in order to facilitate convenient installation of the upper retainer 1 and the lower retainer 2, so as to effectively improve the assembly working process, a connecting component is arranged between two adjacent grooves 3, the connecting component comprises a connecting hole 5 arranged in the retainer body, and a positioning connecting rod 6 is arranged on the retainer body corresponding to the connecting hole 5, wherein a plurality of groups of connecting components are arranged, the connecting component between two adjacent grooves 3 is arranged in a central symmetry mode, that is, the positioning connecting rod 6 and the connecting hole 5 are arranged in a diagonal mode, the stability of connection between equipment parts and the positioning accuracy can be ensured to a certain extent, in addition, a notch (not shown in the figure) in a triangular design is formed in the retainer body between the two connecting components, so that a deformation space is provided for the retainer, the possibility of extrusion damage is reduced in the use process of a shaft carrier, the use function is ensured, and further explanation is needed: the retainer bodies positioned at the two sides of the connecting assembly are internally provided with connecting screw holes (not shown in the figure), so that people can conveniently and further connect and fasten the retainer by adopting bolts, and of course, rivet stamping connection can be adopted according to actual production and processing requirements, the using functions of equipment parts are diversified, and different using requirements can be met; further, the lower end periphery of the positioning connecting rod 6 is provided with a ring block 61, the retainer body at the ring block 61 is provided with a ring groove 7, which provides convenience for setting up and placing of the sealing sleeve 8, the connecting hole 5 and the positioning connecting rod 6 are respectively arranged on the upper retainer 1 and the lower retainer 2 in a staggered manner, the possibility of relative movement of the retainers after matching can be effectively reduced by the design, the end part of the connecting hole 5 is provided with a stepped placement groove 51 so as to provide an effective placing space for equipment parts, and the sealing sleeve 8 is arranged in the placement groove 51, so that on one hand, the tightness of connection between the equipment parts is improved, on the other hand, the installation between the parts is more convenient, the connection performance is stable, the use effect is obvious, and meanwhile, the possibility of relative movement of the retainers is reduced, and the use function of the retainers is ensured; in the above process: the connecting assembly and the sealing sleeve 8 are arranged, the positioning connecting rod 6 is inserted into the connecting hole 5, positioning accuracy among equipment parts is guaranteed, universality is high, and cost is effectively saved; through the sealing sleeve 8, on one hand, the tightness of the connection between the equipment parts is improved, on the other hand, the installation between the parts is more convenient, the connection performance is stable, the use effect is obvious, and meanwhile, the possibility of relative movement of the retainer is reduced, and the use function of the retainer is ensured; this device reasonable in design, simple structure, processing convenience just can effectively further improve the complex stability of being connected between the holder, reduce its possibility of appearing relative motion, and the part location is connected accurately, improves assembly work process, labour saving and time saving promotes work process, fully satisfies the user demand.
In order to facilitate the insertion of the positioning connecting rod 6, the inner side surface of the sealing sleeve 8 is in a contracted shape, the inner hole of the sealing sleeve 8 positioned at the outer side is tightly matched with the outer diameter of the ring block 61, accordingly, the inner hole of the sealing sleeve 8 positioned at the inner side is in clearance fit with the outer diameter of the positioning connecting rod 6, that is, in the process of connecting equipment parts, the positioning connecting rod 6 and the connecting hole 5 are matched with each other, the clearance fit is gradually transited to the interference fit under the action of the sealing sleeve 8, the positioning connecting rod 6 is conveniently guided to be inserted into the connecting hole 5, and the equipment parts after the interference fit have good tightness, are in a relatively static state, do not move relatively, and are equivalent to realizing the fixation of the connection between the upper retainer 1 and the lower retainer 2.
In order to ensure that the sealing sleeve 8 has a good use effect, the sealing sleeve 8 is formed by combining a hard sealing sleeve 81 and a soft sealing sleeve 82 along the direction from the inlet of the positioning connecting rod 6 to the retainer, the hard sealing sleeve 81 is clamped in the annular groove 7, the soft sealing sleeve 82 is arranged in the connecting hole 5, the hard sealing sleeve 81 ensures that the sealing sleeve 8 is positioned in the annular groove 7 and cannot slide in cooperation with the annular block 61, the mounting stability of the sealing sleeve 8 is ensured, the soft sealing sleeve 82 ensures that the sealing sleeve 8 can completely fill the gap between the positioning connecting rod 6 and the connecting hole 5, and the friction force of the soft sealing sleeve 82 is relatively large, so that the sealing sleeve 8 cannot move at the joint of the positioning connecting rod 6 and the connecting hole 5, and the connection between the upper retainer 1 and the lower retainer 2 is more reliable.
In order to improve the rationality of device design, ensure that lubricating oil can effectively guide to rolling element 4, be provided with on the recess 3 the inside wall and be the oil groove 31 that leads of cyclic annular design, still be provided with oil filler point 32 on the holder body to be linked together with leading oil groove 31, like this, people are after adding lubricating oil from oil filler point 32, and lubricating oil on the one hand can guide through leading oil groove 31, on the other hand can temporarily have and lead in the oil groove 31, reduced the possibility that lubricating oil stock is not enough, guarantee lubrication effect satisfies the user demand.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (4)
1. The utility model provides a high-speed ball bearing holder, is including being split type upper and lower holder body of design, the holder body includes holder and lower holder, go up and evenly be provided with a plurality of recesses on holder and the lower holder, be provided with the rolling element in the recess, its characterized in that, adjacent two be provided with coupling assembling between the recess, coupling assembling is including setting up the connecting hole in the holder body, with be provided with the location connecting rod on the holder body that the connecting hole corresponds, the lower extreme periphery of location connecting rod is provided with the ring piece, the annular has been seted up on the holder body of ring piece department, connecting hole and location connecting rod are crisscross to be set up respectively on last holder and lower holder, the tip of connecting hole is provided with the standing groove that is the echelonment design, be provided with the seal cover in the standing groove.
2. A high speed ball bearing retainer according to claim 1, wherein the inner side surface of the sealing sleeve is in a contracted arrangement, and the inner bore of the sealing sleeve on the outer side is tightly matched with the outer diameter of the ring block, and correspondingly, the inner bore of the sealing sleeve on the inner side is in clearance fit with the outer diameter of the positioning connecting rod.
3. The high-speed ball bearing retainer according to claim 2, wherein the sealing sleeve is formed by combining a hard sealing sleeve and a soft sealing sleeve along the direction from the inlet of the positioning connecting rod to the retainer, the hard sealing sleeve is clamped in the annular groove, and the soft sealing sleeve is arranged in the connecting hole.
4. A high-speed ball bearing retainer according to claim 3, wherein the inner side wall of the groove is provided with an oil guiding groove in annular design, and the retainer body is further provided with an oil filling hole and is communicated with the oil guiding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320632882.8U CN219655097U (en) | 2023-03-28 | 2023-03-28 | High-speed ball bearing retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320632882.8U CN219655097U (en) | 2023-03-28 | 2023-03-28 | High-speed ball bearing retainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219655097U true CN219655097U (en) | 2023-09-08 |
Family
ID=87855103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320632882.8U Active CN219655097U (en) | 2023-03-28 | 2023-03-28 | High-speed ball bearing retainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219655097U (en) |
-
2023
- 2023-03-28 CN CN202320632882.8U patent/CN219655097U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |