CN220505590U - Plastic double-layer roller bearing retainer - Google Patents
Plastic double-layer roller bearing retainer Download PDFInfo
- Publication number
- CN220505590U CN220505590U CN202320734439.1U CN202320734439U CN220505590U CN 220505590 U CN220505590 U CN 220505590U CN 202320734439 U CN202320734439 U CN 202320734439U CN 220505590 U CN220505590 U CN 220505590U
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- Prior art keywords
- roller bearing
- plastic double
- oil
- wall
- support
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- 239000004033 plastic Substances 0.000 title claims abstract description 37
- 229920003023 plastic Polymers 0.000 title claims abstract description 37
- 239000003921 oil Substances 0.000 abstract description 48
- 238000005096 rolling process Methods 0.000 abstract description 18
- 239000004519 grease Substances 0.000 abstract description 17
- 239000010687 lubricating oil Substances 0.000 abstract description 15
- 230000020169 heat generation Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Abstract
The application discloses a plastic double-layer roller bearing retainer, which comprises a support ring, wherein a plurality of support beams extend from two end surfaces of the support ring along the axial direction respectively; an aperture for accommodating the cylindrical roller can be formed between the adjacent support beams positioned on the same end of the support ring and the support ring; the side wall of the supporting beam facing the window hole is provided with an oil storage groove which is concave inwards. The two end surfaces of the supporting ring extend out a plurality of supporting beams respectively along the axial direction, a window hole is formed between two adjacent supporting beams in the circumferential direction, the window hole is used for accommodating a rolling body of a bearing, an inward oil storage groove is formed in the side wall of the supporting beam, which faces the window hole, of the supporting beam, grease or lubricating oil can be stored in the oil storage groove, friction and abrasion between a bearing retainer and the rolling body are reduced, friction heat generation is reduced, the service life of the bearing retainer is prolonged, the contact area between the supporting beam and the rolling body is reduced, friction area is reduced, heat generation is further reduced, and the service life of the bearing is prolonged.
Description
Technical Field
The utility model relates to the technical field of bearing retainers, in particular to a plastic double-layer roller bearing retainer.
Background
The double-row cylindrical roller bearing has the advantages of compact structure, high rigidity, high bearing capacity, small deformation after being stressed and the like.
In order to ensure the stability of the cylindrical rollers, the retainer needs a certain radial thickness to limit the movement of the cylindrical rollers in the radial direction, however, the retainer of the double-row cylindrical roller bearing has a larger friction area with the cylindrical rollers, the rotating speed of the cylindrical rollers is limited, the friction heat is higher, and the service life of the bearing is reduced. Moreover, the lubricating oil in the existing bearing is poor in circulation, the retainer cannot timely dissipate heat, and the service life of the bearing can be further reduced.
Disclosure of Invention
For solving the technical problem who sets forth in the above-mentioned background art, the aim of this application is to propose a double-deck roller bearing holder of plastics, it includes the supporting ring, a plurality of supporting beams are extended respectively along the axial to its supporting ring's both ends face, form the fenestration between two adjacent supporting beams in the circumference direction, the fenestration is used for the rolling element of holding bearing, the supporting beam is equipped with the oil storage tank of invagination towards the lateral wall of fenestration, the oil storage tank on the one hand can store lubricating grease or lubricating oil, friction and wearing and tearing between reduction bearing holder and the rolling element, reduce friction heat generation, the life of extension bearing holder, on the other hand can reduce the area of contact between supporting beam and the rolling element, reduce friction area, further reduce heat generation, the life of extension bearing.
In order to achieve the above purpose, the present application adopts the following technical solutions:
the plastic double-layer roller bearing retainer comprises a support ring, wherein a plurality of support beams extend from two end surfaces of the support ring along the axial direction respectively; a window hole for accommodating the cylindrical roller can be formed between the adjacent supporting beams and the supporting ring, which are positioned on the same end of the supporting ring; the side wall of the supporting beam facing the window hole is provided with an oil storage groove which is concave inwards.
From the top, two end surfaces of the supporting ring extend out a plurality of supporting beams along the axial direction respectively, a window hole is formed between two adjacent supporting beams along the circumferential direction, the window hole is used for accommodating a rolling body of a bearing, and the rolling body can be arranged in from the inner side or the outer side of the window hole; the supporting beam is equipped with the oil storage tank that falls into towards the lateral wall of window, and the oil storage tank can store lubricating grease or lubricating oil on the one hand, reduces friction and wearing and tearing between bearing holder and the rolling element, reduces the hot heat of friction, prolongs the life of bearing holder, and on the other hand can reduce the area of contact between supporting beam and the rolling element, reduces friction area, further reduces hot, prolongs the life of bearing.
As a preferred implementation of a plastic double-layer roller bearing cage, the inner and/or outer walls of the support beam are provided with oil grooves in the radial direction of the support ring.
As a preferred implementation of a plastic double layer roller bearing cage, the inner wall of the support beam is of equal radial dimension to the inner wall of the support ring and/or the outer wall of the support beam is of equal radial dimension to the outer wall of the support ring.
As a preferred implementation of a plastic double-layer roller bearing cage, the support beams on both end faces of the support ring are offset from each other.
As a preferred implementation of a plastic double-layer roller bearing cage, the projection of the support beam at one end of the support ring is located in the middle of two adjacent support beams at the other end in the axial direction.
As a preferred implementation of the plastic double-layer roller bearing cage, the oil reservoir is an arc-shaped oil reservoir.
As a preferred implementation of the plastic double-layer roller bearing cage, the oil guide groove is an arc-shaped oil guide groove.
As a preferred implementation of the plastic double-layer roller bearing cage, the end face of the support ring is provided with an oil groove communicating the inner wall and the outer wall.
As a preferred implementation of a plastic double-layer roller bearing cage, the oil passage groove communicates with the oil reservoir.
As a preferred implementation of a plastic double layer roller bearing cage, the path of the oil grooves is the same as the contour of the side walls of the support beam facing the aperture.
The beneficial effects of this application lie in:
1. two end surfaces of the supporting ring are respectively extended with a plurality of supporting beams along the axial direction, a window hole is formed between two adjacent supporting beams along the circumferential direction, the window hole is used for accommodating a rolling body of a bearing, and the rolling body can be arranged in the window hole from the inner side or the outer side; the side wall of the supporting beam facing the window hole is provided with an inward oil storage tank, the oil storage tank can store lubricating grease or lubricating oil, friction and abrasion between the bearing retainer and the rolling body are reduced, friction heat generation is reduced, the service life of the bearing retainer is prolonged, the contact area between the supporting beam and the rolling body is reduced, the friction area is reduced, heat generation is further reduced, and the service life of the bearing is prolonged;
2. the oil guide grooves are formed in the inner wall and/or the outer wall of the support beam along the radial direction of the support ring, so that the oil guide grooves can improve the circulation of lubricating oil or lubricating grease along the inner wall or the outer wall of the support beam along the radial direction of the support ring, the circulation of the lubricating oil or lubricating grease in the bearing is improved, and the service life of the bearing is prolonged;
3. the end face of the support ring is provided with an oil through groove communicated with the inner wall and the outer wall. Thus, the oil passage grooves can communicate the inner side and the outer side of the bearing holder in the radial direction, and the lubricating property of the grease or the lubricating oil can be improved.
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 a plastic double layer roller bearing cage according to the present application;
fig. 2 is a schematic side view of an exemplary embodiment of a plastic double layer roller bearing cage of the present application.
Reference numerals illustrate:
1. a support ring;
2. a support beam; 21. a window hole; 22. an oil storage tank; 23. an oil guiding groove; 24. and an oil through groove.
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. 1-2, the application proposes a plastic double-layer roller bearing retainer, which comprises a support ring 1, wherein two end surfaces of the support ring 1 respectively extend out of a plurality of support beams 2 along the axial direction; a window hole 21 for accommodating the cylindrical roller can be formed between the adjacent support beam 2 and the support ring 1 on the same end of the support ring 1; the side wall of the support beam 2 facing the window hole 21 is provided with an inwardly recessed oil reservoir 22.
From the top, two end surfaces of the supporting ring 1 extend out a plurality of supporting beams 2 along the axial direction respectively, a window hole 21 is formed between two adjacent supporting beams 2 along the circumferential direction, the window hole 21 is used for accommodating rolling bodies of a bearing, and the rolling bodies can be arranged in from the inner side or the outer side of the window hole 21; the supporting beam 2 is equipped with the oil storage tank 22 of invagination towards the lateral wall of window 21, and oil storage tank 22 can store lubricating grease or lubricating oil on the one hand, reduces friction and wearing and tearing between bearing holder and the rolling element, reduces the hot heat of friction, prolongs the life of bearing holder, on the other hand can reduce the area of contact between supporting beam 2 and the rolling element, reduces friction area, further reduces hot heat, prolongs the life of bearing.
In a preferred embodiment of a plastic double-layered roller bearing cage, the inner and/or outer wall of the support beam 2 is provided with oil grooves 23 in the radial direction of the support ring 1. In this way, along the radial direction of the support ring 1, the oil guide groove 23 can improve the circulation of lubricating oil or grease along the inner wall or outer wall of the support beam 2, improve the circulation of lubricating oil or grease in the bearing, and further prolong the service life of the bearing.
In a preferred embodiment of a plastic double layer roller bearing cage, the inner wall of the support beam 2 is of equal radial dimension to the inner wall of the support ring 1 and/or the outer wall of the support beam 2 is of equal radial dimension to the outer wall of the support ring 1. Therefore, along the radial direction of the support ring 1, the thickness of the support beam 2 can be equal to the radial thickness of the support ring 1, and the support ring 1 and the support beam 2 are convenient to process, so that the bearing retainer is convenient to mold, and the processing technology is reduced.
In a preferred embodiment of a plastic double layer roller bearing cage, the support beams 2 on both end faces of the support ring 1 are offset from each other. Therefore, the stability of the bearing retainer structure is improved, the inner ring and the outer ring of the bearing are fully contacted with the needle roller, and the maximum rotating speed of the bearing is improved.
In a preferred embodiment of a plastic double layer roller bearing cage, the projection of the support beam 2 at one end of the support ring 1 is located in the middle of two adjacent support beams 2 at the other end in the axial direction. Therefore, the bearing retainer structure is balanced and the stress is uniform.
In a preferred embodiment of a plastic double layer roller bearing cage, the oil reservoir 22 is an arcuate oil reservoir 22. Thus, the arcuate surface is easier to introduce or drain grease or oil, and the arcuate oil reservoir 22 provides smooth circulation of grease or oil.
In a preferred embodiment of a plastic double layer roller bearing cage, the oil guide groove 23 is an arcuate oil guide groove 23. Thus, the arc surface is easier to introduce or flow out of the grease or the lubricating oil, and the arc-shaped oil guide groove 23 enables the lubricating oil or the lubricating grease to flow smoothly.
In a preferred embodiment of a plastic double-layered roller bearing cage, the end face of the support ring 1 is provided with a through oil groove 24 communicating the inner wall with the outer wall. Thus, the oil passage grooves 24 can communicate the inner side and the outer side of the bearing holder in the radial direction, and the lubricity of grease or lubricating oil can be improved.
In a preferred embodiment of a plastic double layer roller bearing cage, the oil sump 24 communicates with the oil reservoir 22. Thus, when the lubricating oil or grease flows into the oil passage groove 24, the grease can be accumulated in the oil storage groove 22, further improving the oil storage amount and ensuring the lubrication and heat dissipation performance.
In a preferred embodiment of a plastic double layer roller bearing cage, the path of the oil grooves 24 is the same as the contour of the side walls of the support beam 2 facing the aperture 21. Thus, the oil passing groove 24 is convenient to process.
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 (10)
1. The plastic double-layer roller bearing retainer is characterized by comprising a supporting ring, wherein a plurality of supporting beams extend from two end surfaces of the supporting ring along the axial direction respectively; a window hole for accommodating the cylindrical roller can be formed between the adjacent supporting beams and the supporting ring, which are positioned on the same end of the supporting ring; the side wall of the supporting beam facing the window hole is provided with an oil storage groove which is concave inwards.
2. A plastic double-layered roller bearing holder according to claim 1, characterized in that the inner wall and/or the outer wall of the support beam is provided with oil grooves in the radial direction of the support ring.
3. A plastic double layer roller bearing cage according to claim 1, characterized in that the inner wall of the support beam is of equal radial dimension to the inner wall of the support ring and/or the outer wall of the support beam is of equal radial dimension to the outer wall of the support ring.
4. A plastic double layer roller bearing cage according to claim 1, characterized in that the support beams on both end faces of the support ring are offset from each other.
5. A plastic double-layered roller bearing holder according to claim 4, wherein the projection of the support beam at one end of the support ring is located in the middle of two adjacent support beams at the other end in the axial direction.
6. A plastic double-layer roller bearing cage according to claim 1, wherein the oil reservoir is an arcuate oil reservoir.
7. A plastic double-layer roller bearing cage according to claim 2, wherein the oil guide groove is an arc-shaped oil guide groove.
8. A plastic double-layer roller bearing holder according to claim 1, wherein the end face of the support ring is provided with a through oil groove communicating the inner wall and the outer wall.
9. A plastic double layer roller bearing cage according to claim 8, wherein said oil passage groove communicates with said oil reservoir.
10. A plastic double layer roller bearing cage according to claim 9, wherein the oil passage path is the same as the profile of the side wall of the support beam facing the aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320734439.1U CN220505590U (en) | 2023-03-31 | 2023-03-31 | Plastic double-layer roller bearing retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320734439.1U CN220505590U (en) | 2023-03-31 | 2023-03-31 | Plastic double-layer roller bearing retainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220505590U true CN220505590U (en) | 2024-02-20 |
Family
ID=89867920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320734439.1U Active CN220505590U (en) | 2023-03-31 | 2023-03-31 | Plastic double-layer roller bearing retainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220505590U (en) |
-
2023
- 2023-03-31 CN CN202320734439.1U patent/CN220505590U/en active Active
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