CN220505586U - Injection molding double-layer ball bearing retainer - Google Patents
Injection molding double-layer ball bearing retainer Download PDFInfo
- Publication number
- CN220505586U CN220505586U CN202320794429.7U CN202320794429U CN220505586U CN 220505586 U CN220505586 U CN 220505586U CN 202320794429 U CN202320794429 U CN 202320794429U CN 220505586 U CN220505586 U CN 220505586U
- Authority
- CN
- China
- Prior art keywords
- ball bearing
- bearing retainer
- reinforcing sheet
- reinforcing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001746 injection moulding Methods 0.000 title claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 43
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 239000010687 lubricating oil Substances 0.000 abstract description 17
- 239000004519 grease Substances 0.000 abstract description 15
- 230000001050 lubricating effect Effects 0.000 abstract description 13
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000002787 reinforcement Effects 0.000 description 13
- 239000003921 oil Substances 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The application discloses an injection molding double-layer ball bearing retainer, which is used for isolating bearing balls and comprises a seat ring, wherein two ends of the seat ring are respectively provided with a plurality of open pocket grooves distributed along the circumferential direction, the pocket grooves are used for accommodating the bearing balls, and pocket beams are formed between adjacent pocket grooves at the same end; the end face of the pocket beam is provided with a reinforcing sheet, the radial thickness of the reinforcing sheet is larger than that of the pocket beam, and the reinforcing sheet extends towards the inner wall of the pocket groove and is connected with the inner wall of the pocket beam. The bearing retainer is provided with the semi-open pocket groove, the friction area of the bearing retainer and the bearing balls is small, the friction heat is at the bottom, the heat dissipation performance is better, the reinforcing piece is arranged, lubricating oil or lubricating grease can be guided to circulate on the inner side and the outer side of the bearing retainer along the side wall of the reinforcing piece, the circulation performance of the lubricating oil or the lubricating grease is improved, and the side wall structure of the pocket groove is reinforced, so that the structure of the bearing retainer is more stable.
Description
Technical Field
The utility model relates to the technical field of bearing retainers, in particular to an injection molding double-layer ball bearing retainer.
Background
The double-row ball bearing can bear radial and axial combined load and moment load mainly with larger radial load, limits the axial displacement of two aspects of the shaft, is mainly used for limiting the bidirectional axial displacement of the shaft and the shell, and is one of the common bearings.
In order to enable stable rotation of the rolling bodies, reducing vibration and noise, the bearing cage needs to increase contact with the rolling bodies to better restrict the play of the rolling bodies, however, this makes the friction area of the rolling bodies and the cage large, restricts the rotation speed of the rolling bodies, and the frictional heat is high. Moreover, the lubricating oil in the existing double-row ball bearing is weak in fluxion, the retainer cannot timely dissipate heat, and the service life of the double-row ball bearing can be further reduced.
Disclosure of Invention
For solving the technical problem who sets forth in the above-mentioned background art, the aim at of this application provides a double-deck ball bearing holder moulds plastics, and it has the pocket groove of semi-open, and the area of friction of bearing holder and bearing ball is little, and frictional heat is lower, and the heat dissipation is better to be equipped with the reinforcement piece, the reinforcement piece can guide lubricating oil or lubricating grease to circulate at the inside and outside both sides of bearing holder along the lateral wall of reinforcement piece, has improved the connectivity of lubricating oil or lubricating grease, and strengthen the lateral wall structure of pocket groove, make the structure of bearing holder more stable.
In order to achieve the above purpose, the present application adopts the following technical solutions:
an injection molding double-layer ball bearing retainer is used for isolating bearing balls and comprises a seat ring, wherein a plurality of open pocket grooves distributed along the circumferential direction are respectively formed at two ends of the seat ring, the pocket grooves are used for accommodating the bearing balls, and pocket beams are formed between adjacent pocket grooves at the same end; the end face of the pocket beam is provided with a reinforcing sheet, the radial thickness of the reinforcing sheet is larger than that of the pocket beam, and the reinforcing sheet extends towards the inner wall of the pocket groove and is connected with the inner wall of the pocket beam.
Therefore, firstly, the two ends of the seat ring are respectively provided with the semi-open pocket grooves distributed along the circumferential direction, the bearing balls can be filled into the semi-open pocket grooves from the inner side or the outer side of the seat ring, the friction area between the bearing retainer and the bearing balls is small, the friction heat is lower, and the heat dissipation performance is better; second, the terminal surface of pocket roof beam is equipped with the reinforcement piece, and the lateral wall of reinforcement piece and the cell wall of pocket groove extend and are connected the curved surface that forms integrative can be with bearing ball surface contact, and the radial thickness of reinforcement piece is greater than the pocket roof beam, can guide lubricating oil or lubricating grease to circulate at the inside and outside both sides of bearing holder along the lateral wall of reinforcement piece, has improved lubricating oil or lubricating grease's connectivity to strengthen the lateral wall structure of pocket groove, make the structure of bearing holder more stable.
As a preferred implementation of the injection-molded double-layer ball bearing cage, the reinforcing sheet is located at one side of the pocket groove, and the reinforcing sheet is bent in the same direction.
As a preferred implementation of the injection-molded double-layer ball bearing cage, the reinforcing sheet is provided on both sides of the pocket groove.
As a preferred implementation of the injection-molded double-layer ball bearing retainer, an oil guiding groove which communicates the inner side and the outer side of the seat ring is arranged between the reinforcing sheets on the end face of the same pocket beam, and the oil guiding groove gradually expands from the inner side to the outer side of the seat ring.
As a preferred implementation of the injection-molded double-layer ball bearing cage, the reinforcing sheet is bent in the same direction along both sides in the circumferential direction.
As a preferred implementation of the injection-molded double-layer ball bearing cage, the bottom of the inner side of the reinforcing sheet is connected with the inner wall of the pocket bar by an inclined connecting surface in the radial direction of the race, and/or the bottom of the outer side of the reinforcing sheet is connected with the outer wall of the pocket bar by an inclined connecting surface.
As a preferred implementation of the injection-molded double-layer ball bearing cage, the connecting surface is a cambered surface.
As a preferred implementation of the injection molded double ball bearing cage, the depth of the pocket groove is at least equal to the radius of the bearing balls in the axial direction of the race.
The beneficial effects of this application lie in:
1. firstly, the two ends of the seat ring are respectively provided with a semi-open pocket groove distributed along the circumferential direction, the bearing balls can be filled into the semi-open pocket grooves from the inner side or the outer side of the seat ring, the friction area between the bearing retainer and the bearing balls is small, the friction heat is low, and the heat dissipation performance is better;
2. the end face of the pocket beam is provided with the reinforcing piece, the side wall of the reinforcing piece and the wall of the pocket groove are extended and connected to form an integrated curved surface which can be contacted with the surface of the bearing ball, the radial thickness of the reinforcing piece is larger than that of the pocket beam, lubricating oil or lubricating grease can be guided to circulate along the side wall of the reinforcing piece at the inner side and the outer side of the bearing retainer, the circulation of the lubricating oil or the lubricating grease is improved, and the side wall structure of the pocket groove is reinforced, so that the structure of the bearing retainer is more stable;
3. the reinforcing sheets are arranged on two sides of the pocket groove, so that the diversion effect of lubricating oil or lubricating grease is improved, the positioning and limiting of the bearing balls can be more stable, and the bearing balls are prevented from falling out of the pocket groove.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic perspective view of an exemplary embodiment of an injection molded double layer ball bearing retainer according to the present application;
FIG. 2 is a schematic side view of an exemplary embodiment of an injection molded double layer ball bearing retainer according to the present application;
fig. 3 is a schematic front view of an exemplary embodiment of an injection molded double layer ball bearing cage according to the present application.
Reference numerals illustrate:
1. a seat ring; 11. a pocket groove; 12. a pocket beam; 13. a reinforcing sheet; 14. an oil guiding groove; 15. and a connecting surface.
Detailed Description
In order to more clearly illustrate the general inventive concept, reference will be made in the following detailed description, by way of example, to the accompanying drawings.
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
It should be noted that 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 in other ways than as described herein, and therefore the scope of the present utility model is not limited by the specific embodiments disclosed below.
In addition, in the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. However, it is noted that direct connection indicates that two connected bodies are not connected through a transition structure, but are connected through a connection structure to form a whole. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present utility model. In this specification, schematic representations of the above terms are not necessarily directed 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.
Referring to fig. 1-3, the present application proposes an injection molded double-layer ball bearing cage for isolating bearing balls, which comprises a seat ring 1, wherein both ends of the seat ring 1 are respectively provided with a plurality of open pocket grooves 11 distributed along the circumferential direction, the pocket grooves 11 are used for accommodating the bearing balls, and pocket beams 12 are formed between adjacent pocket grooves 11 at the same end; the end face of the pocket beam 12 is provided with a reinforcing sheet 13, the radial thickness of the reinforcing sheet 13 is larger than that of the pocket beam 12, and the reinforcing sheet 13 extends towards the inner wall of the pocket groove 11 and is connected with the inner wall of the pocket beam 12.
From the above, firstly, the two ends of the seat ring 1 are respectively provided with a semi-open pocket groove 11 distributed along the circumferential direction, the bearing balls can be filled into the semi-open pocket groove 11 from the inner side or the outer side of the seat ring 1, the friction area of the bearing retainer and the bearing balls is small, the friction heat is lower, and the heat dissipation performance is better; second, the terminal surface of pocket roof beam 12 is equipped with reinforcement piece 13, and the lateral wall of reinforcement piece 13 and the cell wall extension of pocket groove 11 are connected and are formed integrative curved surface that can be contacted with the bearing ball surface, and the radial thickness of reinforcement piece 13 is greater than pocket roof beam 12, can guide lubricating oil or lubricating grease to circulate at the inside and outside both sides of bearing holder along the lateral wall of reinforcement piece 13, has improved lubricating oil or lubricating grease's connectivity to strengthen the lateral wall structure of pocket groove 11, make the structure of bearing holder more stable.
As a preferred implementation of the injection-molded double ball bearing cage, the reinforcing sheet 13 is located at one side of the pocket groove 11, and the reinforcing sheet 13 is bent in the same direction. Therefore, when the bearing runs, the structure of the bearing retainer is balanced, and the stress is balanced.
As a preferred implementation of the injection-molded double ball bearing cage, both sides of the pocket groove 11 are provided with reinforcing sheets 13. In this way, the guiding effect of the lubricating oil or the lubricating grease is improved, and the positioning and the limiting of the bearing balls can be more stable, so that the bearing balls are prevented from falling out of the pocket groove 11.
As a preferred implementation of the injection-molded double ball bearing cage, oil grooves 14 communicating the inside and the outside of the race 1 are provided between the reinforcing pieces 13 located on the end surfaces of the same pocket bar 12, and the oil grooves 14 gradually expand from the inside to the outside of the race 1. In this way, the oil guide groove 14 can further improve the flow guiding function of the lubricating oil or the grease, and improve the flow-through property of the lubricating oil inside and outside the bearing holder.
As a preferred implementation of the injection-molded double ball bearing cage, the reinforcing sheet 13 is bent in the same direction along both sides in the circumferential direction. Thereby, the thickness of the reinforcing sheet 13 in the circumferential direction is reduced, the material is saved, and the weight is reduced.
As a preferred implementation of the injection-molded double ball bearing cage, the bottom of the inner side of the reinforcement piece 13 is connected with the inner wall of the pocket bar 12 by an inclined connection surface 15 in the radial direction of the seat ring 1 and/or the bottom of the outer side of the reinforcement piece 13 is connected with the outer wall of the pocket bar 12 by an inclined connection surface 15. In this way, the flow guiding effect of the reinforcing sheets 13 is further improved, and with reference to fig. 1, the lubricating oil or grease can pass along the side walls of the seat ring 1 and then along the side walls of the reinforcing sheets 13 into the oil guiding grooves 14 between the two reinforcing sheets 13.
As a preferred implementation of the injection-molded double-layer ball bearing cage, the connection surface 15 is a cambered surface. The lubricating oil or lubricating grease is improved to flow smoothly, and the stability of the bearing is improved.
As a preferred implementation of the injection-molded double ball bearing cage, the depth of the pocket groove 11 in the axial direction of the race 1 is at least equal to the radius of the bearing balls. This can improve the restriction and positioning of the bearing balls by the pocket 11 and prevent the bearing balls from coming out of the pocket 11.
Referring to fig. 1, the pockets 11 at both ends of the seat ring 1 are offset from each other in the seat ring 1 in this embodiment, that is, the pocket 11 at one end is located between two adjacent pockets 11 at the other end.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.
The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.
Claims (8)
1. An injection molding double-layer ball bearing retainer is used for isolating bearing balls and is characterized by comprising a seat ring, wherein a plurality of open pocket grooves distributed along the circumferential direction are respectively formed at two ends of the seat ring, the pocket grooves are used for accommodating the bearing balls, and pocket beams are formed between adjacent pocket grooves at the same end; the end face of the pocket beam is provided with a reinforcing sheet, the radial thickness of the reinforcing sheet is larger than that of the pocket beam, and the reinforcing sheet extends towards the inner wall of the pocket groove and is connected with the inner wall of the pocket beam.
2. The injection molded double ball bearing retainer of claim 1, wherein said reinforcing sheet is located on one side of said pocket groove, said reinforcing sheet being bent in the same direction.
3. An injection molded double ball bearing retainer according to claim 1, wherein the reinforcing sheet is provided on both sides of the pocket groove.
4. An injection molded double-layer ball bearing retainer according to claim 3, wherein oil grooves communicating the inner side and the outer side of the race are provided between the reinforcing pieces on the same pocket beam end face, and the oil grooves gradually expand from the inner side to the outer side of the race.
5. The injection molded double ball bearing retainer according to claim 4, wherein both sides of the reinforcing sheet in the circumferential direction are bent in the same direction.
6. An injection molded double ball bearing retainer according to claim 1, wherein the bottom of the inner side of the reinforcing piece is connected to the inner wall of the pocket bar by an inclined connecting surface and/or the bottom of the outer side of the reinforcing piece is connected to the outer wall of the pocket bar by an inclined connecting surface in the radial direction of the race.
7. The injection molded double ball bearing retainer of claim 6 wherein said connection surface is a cambered surface.
8. An injection molded double layer ball bearing cage in accordance with claim 1 wherein the depth of the pocket groove is at least equal to the radius of the bearing ball in the axial direction of the race.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320794429.7U CN220505586U (en) | 2023-04-06 | 2023-04-06 | Injection molding double-layer ball bearing retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320794429.7U CN220505586U (en) | 2023-04-06 | 2023-04-06 | Injection molding double-layer ball bearing retainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220505586U true CN220505586U (en) | 2024-02-20 |
Family
ID=89875477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320794429.7U Active CN220505586U (en) | 2023-04-06 | 2023-04-06 | Injection molding double-layer ball bearing retainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220505586U (en) |
-
2023
- 2023-04-06 CN CN202320794429.7U patent/CN220505586U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP4151874B1 (en) | Deep groove ball bearing having cage | |
| CN220505586U (en) | Injection molding double-layer ball bearing retainer | |
| JP5029733B2 (en) | Ball bearing | |
| CN201359009Y (en) | Deep groove ball bearing | |
| CN116336082A (en) | High-speed deep groove ball bearing retainer with oil storage groove structure | |
| CN216407479U (en) | Bearing and bearing retainer thereof | |
| CN220505592U (en) | Injection molding spherical bearing isolation block | |
| CN220505580U (en) | High-speed ball plastic bearing retainer | |
| CN220060271U (en) | Semi-enclosed shock-absorbing ball plastic bearing retainer | |
| CN220505591U (en) | Injection molding double-layer needle bearing retainer | |
| CN211423179U (en) | Novel plastic retainer for automobile hub bearing | |
| CN220505581U (en) | Conveniently assembled high-speed ball injection molding bearing retainer | |
| CN220505579U (en) | Semi-enclosed high-speed ball plastic bearing retainer | |
| CN220505590U (en) | Plastic double-layer roller bearing retainer | |
| CN220060270U (en) | Injection molding damping lubrication type ball bearing retainer | |
| CN219733973U (en) | Ball bearing holder of moulding plastics | |
| CN220505585U (en) | Self-locking injection molding bearing retainer | |
| CN115013441B (en) | Enhanced-lubrication double-layer high-strength low-friction retainer | |
| CN219082085U (en) | High-speed plastic ball bearing retainer | |
| CN219413253U (en) | Injection molding compound type cylindrical needle roller retainer | |
| CN212003974U (en) | Cage pocket structure for high-speed bearing | |
| CN220622468U (en) | Deep groove ball bearing with high bearing performance | |
| CN210290494U (en) | Retainer structure capable of improving dynamic lubrication condition of bearing | |
| CN219865918U (en) | Two-point contact type ball bearing retainer | |
| CN219413281U (en) | Plane cylinder composite injection molding bearing retainer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |