CN216199806U - Durable bearing - Google Patents
Durable bearing Download PDFInfo
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- CN216199806U CN216199806U CN202122555850.6U CN202122555850U CN216199806U CN 216199806 U CN216199806 U CN 216199806U CN 202122555850 U CN202122555850 U CN 202122555850U CN 216199806 U CN216199806 U CN 216199806U
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Abstract
The utility model mainly relates to the technical field of bearings, in particular to a durable bearing, which comprises a ring unit and a roller unit, wherein the roller unit comprises an inner ring and an outer ring which are coaxially arranged, the opposite surfaces of the inner ring and the outer ring are respectively marked as a first surface and a second surface, the roller unit is movably connected between the first surface and the second surface, the roller unit is characterized by also comprising a durable material element, the first surface at least comprises a first groove and the second surface at least comprises a second groove which extend along the circumferential direction, the durable material element is arranged in the first groove and the second groove and the material hardness of the roller unit is higher than that of the ring unit, the hardness of a plurality of durable material elements and the hardness of a roller are higher than that of the ring unit, the first groove and the second groove are filled with the durable material element in a welding mode, so that the inner ring and the outer ring are prevented from being worn by the roller, the service life of the bearing is prolonged, the manufacturing cost is reduced, and the bearing replacement frequency is lower and is also environment-friendly.
Description
Technical Field
The utility model mainly relates to the technical field of bearings, in particular to a durable bearing.
Background
The conventional industrial bearings are usually made of stainless steel, medium carbon steel, Polytetrafluoroethylene (PTFE) or Polyetheretherketone (PEEK), which are inexpensive and durable, so that the bearings have a short life and need to be replaced frequently, which increases maintenance cost and is not favorable for environmental protection, and in heavy industrial equipment such as aerospace, high speed railway, automobile industry, shipbuilding industry or wind power generation, large and ultra-large bearings are used.
The present invention aims to provide a durable bearing that eliminates the above-mentioned disadvantages.
SUMMERY OF THE UTILITY MODEL
The present invention provides a durable bearing, which is used to solve the technical problems in the background art.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a durable bearing comprises a ring unit and a roller unit, wherein the roller unit comprises an inner ring and an outer ring which are coaxially arranged, the opposite surfaces of the inner ring and the outer ring are respectively marked as a first surface and a second surface, the roller unit is movably connected between the first surface and the second surface, the durable bearing is characterized by further comprising a durable material element, the first surface at least comprises a first groove extending along the circumferential direction of the first surface, the second surface at least comprises a second groove extending along the circumferential direction of the second surface, the durable material element is arranged in the first groove and the second groove, and the material hardness of the durable material element and the roller unit is higher than that of the ring unit.
Preferably, the ring unit is made of medium carbon steel or stainless steel, and the durable material elements and the roller units are made of high speed steel.
Preferably, the roller unit is provided with an annular groove corresponding to the first groove and/or the second groove.
Preferably, the roller unit is one of a roller, a ball and a tapered roller.
Preferably, the roller unit further comprises a retainer located between the outer ring and the inner ring, the retainer comprising a plurality of spaces for accommodating the roller units.
Preferably, the roller unit comprises two roller elements, which are arranged symmetrically along an axis.
Preferably, a clip is provided between the two roller elements to connect the inner race and the outer race.
Preferably, there are two outer rings corresponding to the two roller elements, and a separator is provided between the two outer rings.
Preferably, the first surface and the second surface are V-shaped surfaces with opposite openings, and the first surface and the second surface form a parallelogram.
Compared with the prior art, the utility model has the beneficial effects that: the hardness of a plurality of durable material elements and the hardness of the roller are higher than that of the ring unit, and each of the first groove and the second groove is filled with the durable material elements in a welding mode, so that the inner ring and the outer ring are prevented from being abraded by the roller, the service life of the bearing is prolonged, the manufacturing cost is reduced, the replacement frequency of the bearing is low, and the bearing is environment-friendly.
The present invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a cross-sectional view showing a first embodiment of the bearing of the present invention;
FIG. 2 is a cross-sectional view showing a derivative example of the first embodiment of the bearing of the present invention;
FIG. 3 is a cross-sectional view showing a second embodiment of the bearing of the present invention;
FIG. 4 is a different derivative example of a cylindrical roller bearing for use in the present invention;
FIG. 5 is a cross-sectional view showing a third embodiment of the bearing of the present invention;
FIG. 6 is a cross-sectional view showing a fourth embodiment of the bearing of the present invention;
FIG. 7 is a cross-sectional view showing a fifth embodiment of the bearing of the present invention;
FIG. 8 is a tapered roller used in various derivative examples of the bearing of the present invention;
FIG. 9 is a cross-sectional view showing a sixth embodiment of the bearing of the present invention;
FIG. 10 is a cross-sectional view showing a seventh embodiment of the bearing of the present invention;
fig. 11 is a cross-sectional view showing a derivative example of a seventh embodiment of the bearing of the present invention;
FIG. 12 is a cross-sectional view showing an eighth embodiment of the bearing of the present invention;
fig. 13 is a cross-sectional view showing a derivative example of the eighth embodiment of the bearing of the present invention.
In the figure: 1, an outer ring; 101 a first groove; 102 a first side;
2, inner ring; 201 a second groove; 202 a second face;
3 a durable material element;
4 a retainer;
5 a roller unit; 501, an annular groove;
6, a clamp;
7 a separator.
Detailed Description
In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The present invention provides a durable bearing including a ring unit including an outer ring 1 and an inner ring 2, wherein the inner ring 2 is surrounded by the outer ring 1 and shares an axis "L" with the outer ring 1, a retainer ring 4 is located between the outer ring 1 and the inner ring 2, the outer ring 1 includes a first face 102 and a first groove 101 formed in the first face 102 and extending in a circumferential direction of the outer ring 1, the first face 102 is an annular face facing the inner ring 2, the inner ring 2 includes a second face 202 and a second groove 201, the second groove 201 is formed in the second face 202 and extending in the circumferential direction of the inner ring 2, the second face 202 is an annular face facing the outer ring 1, each of the first groove 101 and the second groove 201 is filled with the durable material element 3 by welding, and the retainer ring 4 includes a plurality of spaces.
Referring to fig. 1, in a first embodiment of the present invention, a roller unit 5 includes a plurality of rollers which are spaced in a cage 4 and roll between a first face 102 and a second face 202, the rollers of the present embodiment are balls which are positioned along a circumferential direction of an inner ring 2 and an outer ring 1 and are positioned at intervals, the rollers contact a plurality of durable material elements 3 in the cage 4, hardness of the plurality of durable material elements 3 and hardness of the rollers are higher than hardness of a ring unit, the ring unit is made of medium carbon steel or stainless steel, and the multiple durable materials 3 and the rollers are made of High Speed Steel (HSS) or other known high hardness materials, but are not limited thereto.
When the durable material element 3 is a High Speed Steel (HSS), which is welded to the first and second grooves 101, 201 such that the High Speed Steel (HSS) has a hardness of HRC65-70, each roller in the first embodiment is in radial contact with the ring elements.
In the derived example shown in fig. 2, each roller is inclined with respect to the radial direction and contacts the ring unit, i.e. of the angular bearing type, the outer ring 1 and the inner ring 2 of the ring unit are relatively displaced in the direction of the axis "L", which means that the bearing must be subjected to both radial and axial loads.
The durable material elements 3 are welded to the first and second grooves 101 and 201 of the present invention, and the hardness of the first durable material elements 3 and the rollers is higher than that of the outer ring 1 and the inner ring 2, thereby preventing the rollers from being worn together with the inner ring 2 and the outer ring 1, extending the overall service life, and in addition, the high hardness material for the durable material elements 3 and the rollers also reduces the use of precious metals, the service life of the bearing of the present invention is extended and longer, the manufacturing difficulty of the ring unit is reduced, and the manufacturing cost is also reduced, compared to the conventional bearing.
As shown in fig. 3 and a in fig. 4, the second embodiment of the present invention is different from the first embodiment in that the outer ring 1 includes a plurality of first grooves 101 at intervals and a plurality of second grooves 201 at intervals of the inner ring 2, the first grooves 101 and the second grooves 201 are each filled with the first durable material elements 3 by means of welding, the roller units 5 are cylindrical rollers, and the second embodiment has the same function and purpose as the first embodiment.
As shown in fig. 5 and a in fig. 4, the difference between the third embodiment of the present invention, which has the same function and purpose as the second embodiment by two roller units 5 along the axis "L", and the second embodiment, which is subject to higher radial loads, is that the bearing of the third embodiment includes two roller units 5, and the ring unit includes a plurality of clips 6 between the roller units 5 for fixing the outer ring 1 and the inner ring 2.
As shown in fig. 6 and B of fig. 4, the fourth embodiment of the present invention is different from the second embodiment in that each roller unit 5 includes a roller, and a plurality of annular grooves 501 are defined in an outer surface of each roller, each annular groove 501 is filled with a durable material element 3 by welding, the hardness of the durable material element 3 is higher than that of each roller, the ring unit and each roller are made of medium carbon steel or stainless steel, and the durable material element 3 is made of high speed steel or other known high hardness material, but not limited thereto.
In the fourth embodiment, each roller comprises two durable material elements 3, it being understood that each roller may also have only one durable material element 3, or as shown in C in fig. 4, a roller comprising more than two durable material elements 3, large sized rollers being able to withstand greater loads than small sized rollers, the fourth embodiment having the same function and purpose as the second embodiment by using a high stiffness material for the durable material elements 3.
As shown in fig. 7 and a in fig. 8, the difference between the fifth embodiment of the present invention and the second embodiment is that the rollers of each roller unit 4 are tapered rollers, the fourth embodiment has the same function and purpose as the second embodiment, and the fifth embodiment is subjected to higher radial and axial loads.
As shown in fig. 9 and B in fig. 8, the sixth embodiment of the present invention is different from the fifth embodiment in that each roller unit 5 includes a roller, and a plurality of annular grooves 501 are defined in an outer surface of each roller, each annular groove 501 is filled with a durable material element 3 by welding, the hardness of the durable material element 3 is higher than that of each roller, the ring unit and each roller are made of medium carbon steel or stainless steel, and the durable material element 3 of each roller is made of high speed steel or other known high hardness material, without being limited thereto, and in the sixth embodiment, each roller includes two rollers, it is understood that each roller may have three or more durable material elements 3, as shown in C in fig. 8.
The sixth embodiment has the same function and purpose as the fifth embodiment by using a harder material for the durable material element 3, and the sixth embodiment has a lower manufacturing cost.
The difference between the seventh embodiment of the utility model and the fifth embodiment is that the bearing of the seventh embodiment comprises two roller units 5 arranged at intervals along the axis "L", the ring unit comprising two outer rings 1 arranged at intervals along the axis "L", separators 7 between the two outer rings 1, and cages 4 of the two roller units 5, as shown in fig. 10, and in other derivative examples the ring unit comprising two inner rings 2 positioned along the axis "L", the seventh embodiment having the same function and purpose as the fifth embodiment by means of the roller units 5 along the axis "L", the seventh embodiment of the bearing being subjected to higher radial loads.
As shown in fig. 12, the eighth embodiment of the present invention is different from the second embodiment in that the first face 102 of the outer race 1 is an inverted V-shaped face, the second face 202 of the inner race 2 is a V-shaped face, the first face 102 and the second face 202 form a parallelogram so that the roller units 5 roll in the parallelogram, the inverted V-shaped face of the first face 102 each has the first groove 101, the V-shaped face of the second face 202 each has the second groove 201, the first groove 101 and the second groove 201 are filled with the durable material element 3, the roller units 5 are cylindrical rollers, and adjacent cylindrical rollers are located in opposite directions to realize the characteristics of low speed, high load, and no backlash at the back surface.
As shown in fig. 13 showing a derivative example of the eighth embodiment, the difference from the eighth embodiment is that annular grooves 501 are provided on the roller unit 5 at positions corresponding to the first grooves 101 and the second grooves 201, and each annular groove 501 is filled with the durable material elements 3 by welding.
While we have shown and described embodiments in accordance with the present invention, it will be apparent to those skilled in the art that further embodiments may be made without departing from the scope of the utility model.
The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above embodiments, and it is within the scope of the utility model to adopt the method concept and technical solution of the utility model to make such insubstantial modifications, or to directly apply the concept and technical solution of the utility model to other applications without any modification.
Claims (9)
1. A durable bearing includes a ring unit and a roller unit;
the ring unit comprises an inner ring and an outer ring which are coaxially arranged;
the opposite surfaces of the inner ring and the outer ring are respectively marked as a first surface and a second surface, and the roller unit is movably connected between the first surface and the second surface;
it is characterized in that the preparation method is characterized in that,
further comprising a durable material element;
the first face comprises at least one first groove extending along the circumferential direction of the first face;
the second face comprises at least one second groove extending along the circumferential direction of the second face;
the durable material element is disposed in the first and second grooves;
the material hardness of the durable material element and the roller unit is higher than that of the ring unit.
2. A durable bearing according to claim 1, wherein the ring unit is made of medium carbon steel or stainless steel and the durable material elements and the roller units are made of high speed steel.
3. A durable bearing according to claim 1, wherein the roller unit is provided with an annular groove in correspondence of the first groove and/or the second groove.
4. A durable bearing according to claim 1, wherein the roller means is one of a roller, a ball and a tapered roller.
5. The durable bearing of claim 1, further comprising a cage positioned between said outer race and said inner race, said cage including a plurality of spaces for receiving said roller units.
6. A durable bearing according to claim 1, wherein the roller unit comprises two roller elements, the two roller elements being arranged axisymmetrically.
7. A durable bearing according to claim 6, wherein a clip is provided between the two roller elements to connect the inner and outer races.
8. A durable bearing according to claim 6 wherein there are two of said outer races for two of said roller elements and a separator is provided between the two outer races.
9. A durable bearing according to claim 1 wherein said first and second faces are V-shaped faces with opposing openings, said first and second faces forming a parallelogram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122555850.6U CN216199806U (en) | 2021-10-23 | 2021-10-23 | Durable bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122555850.6U CN216199806U (en) | 2021-10-23 | 2021-10-23 | Durable bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216199806U true CN216199806U (en) | 2022-04-05 |
Family
ID=80887587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122555850.6U Active CN216199806U (en) | 2021-10-23 | 2021-10-23 | Durable bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216199806U (en) |
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2021
- 2021-10-23 CN CN202122555850.6U patent/CN216199806U/en active Active
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