CN215487212U - Wear-resisting fisheye bearing structure and rod end joint bearing thereof - Google Patents
Wear-resisting fisheye bearing structure and rod end joint bearing thereof Download PDFInfo
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- CN215487212U CN215487212U CN202121433958.1U CN202121433958U CN215487212U CN 215487212 U CN215487212 U CN 215487212U CN 202121433958 U CN202121433958 U CN 202121433958U CN 215487212 U CN215487212 U CN 215487212U
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Abstract
The utility model relates to a wear-resistant fisheye bearing structure and a rod end joint bearing thereof, which comprise a bearing outer sleeve and a bearing rolling ball, wherein the bearing rolling ball is arranged in the bearing outer sleeve, the bearing outer sleeve is a wear-resistant plastic ring with lubricating property, and the bearing outer sleeve is formed by mutually meshing a first half ring and a second half ring; the inner cavity of the bearing outer sleeve is a spherical cambered surface matched with the outer surface of the bearing rolling ball, and the bearing rolling ball can freely rotate in the bearing outer sleeve and cannot fall off; and the inner wall of the bearing outer sleeve is provided with a chamfer. The PEEK injection molding or machine-sleeved bearing is adopted, so that the wear resistance, the self-lubricating property and the fatigue resistance of the bearing are improved, the advantages are that other plastics such as polyethylene, polytetrafluoroethylene and nylon 6 do not have the advantages, and meanwhile, the bearing outer sleeve is formed by combining two semi-rings, so that the bearing is convenient to mount; in addition, the improved product of the rod end joint bearing structure has better adaptability and durability compared with the similar products.
Description
Technical Field
The utility model relates to the technical field of bearings, in particular to a wear-resistant fisheye bearing structure and a rod end joint bearing thereof.
Background
The existing fisheye bearing generally comprises a bearing outer ring and balls, wherein the bearing outer ring is made of plastic materials in an annular shape, and common manufacturers adopt polyethylene for manufacturing, however, the structure causes poor bearing lubrication effect, and after long-term use, a bearing outer sleeve is easy to damage; and it fixes in the ball outside through riveting the way soon, and this kind of structure is inconvenient to install, as a technological improvement, specially apply for this invention creation.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problems of the prior art, the present invention provides a wear-resistant fisheye bearing structure, which can improve the above-mentioned disadvantages.
The utility model relates to a wear-resistant fisheye bearing structure which comprises a bearing outer sleeve and a bearing rolling ball, wherein the bearing rolling ball is arranged in the bearing outer sleeve, the bearing outer sleeve is a wear-resistant plastic ring with lubricating property, and the bearing outer sleeve is formed by mutually meshing a first half ring and a second half ring; the inner cavity of the bearing outer sleeve is a spherical cambered surface matched with the outer surface of the bearing rolling ball, the diameter of the inner cavity is at least 32mm, and the bearing rolling ball can freely rotate in the bearing outer sleeve and cannot fall off; the side surface of the bearing outer sleeve is provided with or not provided with an oil filling hole, and if the oil filling hole is arranged, the inner wall of the bearing outer sleeve is conical or columnar; and the inner wall of the bearing outer sleeve is provided with a chamfer.
Furthermore, the bearing outer sleeve is formed by PEEK injection molding or machining, wherein the PEEK has lubricating property, is non-toxic and odorless, has a smooth surface, can reduce the use of a lubricant when used as the bearing outer sleeve, has corrosion resistance and excellent fatigue resistance, has the best fatigue resistance in all resins, and can also be of other structures with wear resistance and self-lubricating property.
Furthermore, chamfer angles exist at the edge positions of the bearing outer sleeve, the included angle between the outer chamfer angles is 90 degrees, corrosion-resistant layers are arranged on the surfaces of the bearing outer sleeve and the bearing rolling ball, the thickness is 1-100 micrometers, and the bearing rolling ball is made of chrome steel GCr 15.
Furthermore, a concave-convex occlusal surface is formed between the first half ring and the second half ring.
Furthermore, the lengths of the first half ring and the second half ring are completely the same or different.
Furthermore, one end of the first semi-ring is provided with a convex part, and the other end of the first semi-ring is provided with a concave part matched with the second semi-ring; one end of the second semi-ring is provided with a convex part, and the other end of the second semi-ring is provided with a concave part matched with the first semi-ring.
Furthermore, the convex part and the concave part are not easy to fall off in combination, and the exposed end surface of the convex part and the exposed end surface of the semi-ring form an included angle of 41 degrees with the circle center.
Furthermore, the two sides of the convex part are vertical or inclined at one side or inclined at two sides, and when the convex part is further inclined at one side or two sides, the whole convex part is wide outside and narrow inside. In designing, the shapes of the convex part and the concave part can be in other forms as long as the mutual engagement is satisfied, for example, the engagement surface is designed to be S-shaped contact.
In order to increase the wear resistance and lubricity of the bearing outer sleeve, the bearing outer sleeve contains graphene particles and/or carbon fiber particles or contains a graphene layer and/or a carbon fiber layer.
An improvement design of this scheme is a rod end joint bearing, wear-resisting fisheye bearing structure and connector, and wherein wear-resisting fisheye bearing structure sets up in the connector.
The bearing provided by the utility model is novel in design and ingenious in improvement, the wear resistance, self-lubrication and fatigue resistance of the bearing are improved by adopting the PEEK injection molding outer sleeve, the advantages are that other plastics such as polyethylene, polytetrafluoroethylene and nylon 6 do not have the advantages, and meanwhile, the bearing outer sleeve is formed by combining two semi-rings, so that the bearing is convenient to install; in addition, the improved product of the rod end joint bearing structure has better adaptability and durability compared with the similar products.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a front view of the present invention.
FIG. 3 is a side cross-sectional view of the present invention.
Fig. 4 is a schematic view of a first semiconductor structure.
Fig. 5 is a schematic diagram of a second half-ring structure.
Fig. 6 is a first half-ring front view.
Fig. 7 is a front view of the second half.
Fig. 8 is a schematic view of a bearing ball structure.
FIG. 9 is a view showing the state where both sides of the convex portion are vertical.
FIG. 10 is a view showing the state where both sides of the convex portion are inclined.
Fig. 11 is a view showing the convex portion side being vertical.
Fig. 12 is a modified usage state diagram.
The figure is as follows: 1 a first semi-ring, 2 a second semi-ring, 3 a bearing rolling ball, 4 concave-convex occlusal surfaces, 41 convex parts, 42 concave parts, 5 connecting heads, 6 rod ends and an included angle alpha.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1-3 and 8, the utility model relates to a wear-resistant fisheye bearing structure, which comprises a bearing outer sleeve and a bearing rolling ball 3, wherein the bearing rolling ball 3 is arranged in the bearing outer sleeve, the bearing outer sleeve is a wear-resistant plastic ring with lubricating property, and the bearing outer sleeve is formed into a stable structure by mutually meshing a first half ring 1 and a second half ring 2; the inner cavity of the bearing outer sleeve is a spherical cambered surface matched with the outer surface of the bearing rolling ball 3, the diameter of the inner cavity is at least 32mm, and the bearing rolling ball can freely rotate in the bearing outer sleeve and cannot fall off; the side surface of the bearing outer sleeve is provided with or not provided with an oil filling hole, and if the oil filling hole is arranged, the inner wall of the bearing outer sleeve is conical or columnar; and the inner wall of the bearing outer sleeve is provided with a chamfer.
As a technical improvement, the bearing outer sleeve is formed by injection molding or machining of PEEK, wherein the PEEK has lubricating property, is non-toxic and odorless, has a smooth surface, can reduce the use of a lubricant when being used as the bearing outer sleeve, has corrosion resistance and excellent fatigue resistance, has the best fatigue resistance in all resins, and can also be of other structures with wear resistance and self-lubricating property.
As a technical improvement, chamfer angles exist at the edge positions of the bearing outer sleeve, wherein the included angle between the outer chamfer angles is 90 degrees, corrosion-resistant layers are arranged on the surfaces of the bearing outer sleeve and the bearing rolling ball 3, the thickness is 1-100 micrometers, and the bearing rolling ball is chrome steel GCr 15.
As a technical improvement, a concave-convex occlusal surface 4 is formed between the first half ring 1 and the second half ring 2.
As a technical improvement, the lengths of the first half ring 1 and the second half ring 2 are completely the same or different, and according to design requirements, the lengths of the first half ring and the second half ring are the same, or one of the first half ring and the second half ring occupies one third of the circumference, and the other half ring occupies two thirds of the circumference, but of course, the first half ring and the second half ring may also be designed in other sizes.
As a technical improvement, as shown in fig. 4-7, the first half ring 1 is provided with a convex portion 41 at one end and a concave portion 42 matched with the second half ring 2 at the other end; one end of the second half ring 2 is provided with a convex part 41, and the other end is provided with a concave part 42 matched with the first half ring 1.
As a technical improvement, the combination of the convex part 41 and the concave part 42 is not easy to fall off, and as shown in FIG. 6, the angle alpha between the exposed end surface of the convex part and the semi-ring end surface of the convex part and the center of the circle is 41 degrees.
In order to increase the wear resistance and lubricity of the bearing outer sleeve, the bearing outer sleeve contains graphene particles and/or carbon fiber particles or contains a graphene layer and/or a carbon fiber layer.
As shown in fig. 9 to 11, as a technical improvement, both sides of the convex portion 41 are vertical or inclined, and when the convex portion is inclined as a technical improvement, the convex portion 41 has an overall outer width and an inner width.
As shown in fig. 12, an improved design of the present solution is a rod end joint bearing, a wear-resistant fisheye bearing structure and a connector 5, wherein the wear-resistant fisheye bearing structure is arranged in the connector, a rod end 6 is arranged below the connector, and the connector and the rod end are of an integrated structure.
Claims (10)
1. The utility model provides a wear-resisting fisheye bearing structure, includes bearing housing and bearing spin, its characterized in that: the bearing rolling ball is arranged in a bearing outer sleeve, the bearing outer sleeve is a wear-resistant plastic ring with lubricating property, and the bearing outer sleeve is formed by mutually meshing a first half ring and a second half ring; the inner cavity of the bearing outer sleeve is a spherical cambered surface matched with the outer surface of the bearing rolling ball, and the bearing rolling ball can freely rotate in the bearing outer sleeve and cannot fall off; an oil filling hole is or is not arranged on the side surface of the bearing outer sleeve; and the inner wall of the bearing outer sleeve is provided with a chamfer.
2. A wear-resistant fisheye bearing construction as claimed in claim 1 wherein: the bearing outer sleeve is formed by PEEK injection molding or machining.
3. A wear-resistant fisheye bearing construction as claimed in claim 1 or claim 2 wherein: the edge position of the bearing outer sleeve is provided with a chamfer, and the surface of the bearing rolling ball is provided with a corrosion-resistant layer.
4. A wear-resistant fisheye bearing construction as claimed in claim 1 wherein: and a concave-convex occlusal surface is formed between the first half ring and the second half ring.
5. A wear-resistant fisheye bearing construction as claimed in claim 1 wherein: the first half ring and the second half ring are completely the same in length or different in length.
6. A wear-resistant fisheye bearing construction as claimed in claim 1 wherein: one end of the first semi-ring is provided with a convex part, and the other end of the first semi-ring is provided with a concave part matched with the second semi-ring; one end of the second semi-ring is provided with a convex part, and the other end of the second semi-ring is provided with a concave part matched with the first semi-ring.
7. A wear-resistant fisheye bearing construction as claimed in claim 6 wherein: the combination of the convex part and the concave part is not easy to fall off.
8. A wear-resistant fisheye bearing construction as claimed in claim 7 wherein: the two sides of the convex part are vertical or inclined at one side or inclined at two sides, and when the one side or the two sides of the convex part are inclined, the whole convex part is wide outside and narrow inside.
9. A wear-resistant fisheye bearing construction as claimed in claim 1 wherein: the bearing outer sleeve contains graphene particles and/or carbon fiber particles or contains a graphene layer and/or a carbon fiber layer.
10. A rod end oscillating bearing characterized in that: comprising a wear-resistant fisheye bearing arrangement as claimed in any of claims 1-7 and a connecting head, wherein the wear-resistant fisheye bearing arrangement is arranged in the connecting head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121433958.1U CN215487212U (en) | 2021-06-24 | 2021-06-24 | Wear-resisting fisheye bearing structure and rod end joint bearing thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121433958.1U CN215487212U (en) | 2021-06-24 | 2021-06-24 | Wear-resisting fisheye bearing structure and rod end joint bearing thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215487212U true CN215487212U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121433958.1U Active CN215487212U (en) | 2021-06-24 | 2021-06-24 | Wear-resisting fisheye bearing structure and rod end joint bearing thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215487212U (en) |
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2021
- 2021-06-24 CN CN202121433958.1U patent/CN215487212U/en active Active
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