CN219774602U - Composite self-lubricating bearing - Google Patents
Composite self-lubricating bearing Download PDFInfo
- Publication number
- CN219774602U CN219774602U CN202320646738.XU CN202320646738U CN219774602U CN 219774602 U CN219774602 U CN 219774602U CN 202320646738 U CN202320646738 U CN 202320646738U CN 219774602 U CN219774602 U CN 219774602U
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- Prior art keywords
- lubricating bearing
- composite self
- ring
- positioning cylinder
- connecting hole
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- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 239000007787 solid Substances 0.000 claims abstract description 30
- 238000005461 lubrication Methods 0.000 claims description 26
- 230000000903 blocking effect Effects 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 abstract description 8
- 230000000149 penetrating effect Effects 0.000 description 5
- 239000007770 graphite material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Support Of The Bearing (AREA)
Abstract
The utility model provides a composite self-lubricating bearing, and belongs to the technical field of machinery. It has solved the problem that prior art exists stability poor. The composite self-lubricating bearing comprises an inner ring and an outer ring, wherein the outer side of the inner ring is spherical, the inner side of the outer ring is matched with the outer side of the inner ring, the outer ring is sleeved on the inner ring, the composite self-lubricating bearing further comprises a cylindrical positioning cylinder, the inner side of the positioning cylinder is matched with the outer side of the inner ring, the outer side of the positioning cylinder is matched with the inner side of the outer ring, the positioning cylinder is axially fixedly connected between the inner ring and the outer ring, a plurality of through connecting holes are formed in the positioning cylinder along the circumferential direction of the positioning cylinder, and a solid lubricating column corresponding to the positioning cylinder is fixedly connected at each connecting hole. The composite self-lubricating bearing has high stability.
Description
Technical Field
The utility model belongs to the technical field of machinery, and relates to a composite self-lubricating bearing.
Background
The solid inlaid self-lubricating bearing (JDB) is a novel lubricating bearing with the characteristics of metal bearing and oil-free lubricating bearing, and is loaded by a metal matrix, and the solid lubricating material plays a role in lubrication.
The self-lubricating bearing has the characteristics of high bearing capacity, impact resistance, high temperature resistance, strong self-lubricating capacity and the like, is particularly suitable for heavy load, low speed, reciprocation or swinging and other occasions which are difficult to lubricate and form an oil film, is also resistant to erosion and scouring of water flushing and other acid liquor, and has the wear resistance which is twice that of a common shaft sleeve.
However, after the existing self-lubricating bearing is used for a long time, the solid lubricating material on the bearing is easy to fall off, so that the whole self-lubricating bearing is scrapped, and the use cost of the self-lubricating bearing is relatively high.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provide a composite self-lubricating bearing with low use cost and compact structure.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a combined type self-lubricating bearing, includes inner circle and outer lane, its characterized in that, the inner circle outside is the sphere, the outer lane inboard is with inner circle outside assorted and outer lane cover is on the inner circle, still includes a positioning tube that is the tube-shape, positioning tube inboard is mateed with the inner circle outside, positioning tube outside and outer lane inboard assorted, above-mentioned positioning tube axial links firmly between inner circle and outer lane, have a plurality of connecting holes that run through along its circumference on the positioning tube, every connecting hole department has all linked firmly the solid lubrication post rather than corresponding.
The composite self-lubricating bearing creatively arranges the positioning cylinder between the inner ring and the outer ring, and simultaneously fixedly connects the solid lubricating column at the connecting hole of the positioning cylinder.
It can be seen that the above structure can stably position the solid lubrication column between the inner ring and the outer ring. The inner ring can smoothly rotate relative to the outer ring under the action of the solid lubrication column.
The composite self-lubricating bearing is used for axially fixing shaft parts on a support. That is, the outer ring is fixedly connected with the bracket, the inner ring is sleeved on the shaft part, and the outer ring and the inner ring are fixedly connected. The shaft parts can be smoothly rotated through the solid lubrication column between the inner ring and the outer ring.
The outer side of the spherical surface of the inner ring is matched with the inner side of the outer ring, and the structure can enable the shaft parts to swing properly relative to the bracket.
The solid lubrication column is made of graphite material.
In the above-mentioned combined self-lubricating bearing, the solid lubrication column part extends out of the inner side of the positioning cylinder and the solid lubrication column abuts against the outer side of the inner ring.
The structure can enable the solid lubrication column to be in stable contact with the outer side of the inner ring, and effectively improve the lubrication performance of the whole bearing.
In the above-mentioned combined self-lubricating bearing, the two ends of the outer ring are respectively provided with a first blocking edge and a second blocking edge which are annular and convex, and the first blocking edge and the second blocking edge respectively lean against the two ends of the positioning cylinder.
The positioning cylinder can be stably limited between the inner ring and the outer ring through the first blocking edge and the second blocking edge, and finally, a solid lubrication column is stably arranged between the inner ring and the outer ring.
In the above-mentioned combined self-lubricating bearing, the outer ring includes a cylindrical body one and a body two, the first blocking edge is located at the outer end of the body one, the second blocking edge is located at the outer end of the body, and the first inner end of the body is connected with the second inner end of the body.
The structure can ensure that the outer ring is stably connected with the inner ring, and is convenient for assembling and disassembling the whole bearing.
In the above-mentioned combined self-lubricating bearing, the first body is provided with a through connecting hole I, the second body is provided with a through connecting hole II, and the fastener is fixedly connected with the first body and the second body after penetrating through the connecting hole I and the connecting hole II.
The first body and the second body can be stably connected through the fastener.
In the above-mentioned combined type self-lubricating bearing, the fastener includes bolt and nut, and above-mentioned bolt wears to establish in connecting hole one and connecting hole two places, and the bolt head supports and leans on the body outer end, and above-mentioned nut threaded connection is on the bolt and the nut supports and leans on a body outer end.
The head of the bolt is abutted against the outer end of the body, and the nut is abutted against the outer end of the body, so that the body I and the body II can be stably connected through the structure.
In the composite self-lubricating bearing, the number of the fasteners is a plurality of, and the fasteners are circumferentially and uniformly distributed at the outer ring.
The plurality of fasteners can effectively connect the first body and the second body stably.
The composite self-lubricating bearing further comprises a flexible buffer washer, wherein the buffer washer is tightly pressed on the first inner end and the second inner end of the body, and the bolt is arranged on the buffer washer in a penetrating mode.
The cushion ring has two functions:
1. sealing the joint of the first inner end and the second inner end of the body;
2. eliminating the gap between the first body and the second body.
In the above-mentioned composite self-lubricating bearing, the cushion ring is made of rubber material.
In the composite self-lubricating bearing, the outer edge of the buffer pad ring is flush with the outer side of the outer ring.
This can improve the compactness of the whole bearing.
Compared with the prior art, when the combined self-lubricating bearing is initially assembled, the side part of the positioning cylinder is provided with a notch and the positioning cylinder is provided with proper elasticity, so that the positioning cylinder is stably sleeved on the outer side of the inner ring. Of course, the solid lubrication column on the positioning cylinder is connected to it in advance.
The first body and the second body are sleeved on the positioning cylinder, after the first body and the second body are connected through the fastener, the positioning cylinder can be stably positioned between the inner ring and the outer ring, and the whole bearing can have good lubricity through the solid lubrication column on the positioning cylinder.
After the solid lubrication column mainly playing a role in lubrication is used for a long time, the abrasion is serious, and after one end of use time, the positioning cylinder with the solid lubrication column can be conveniently replaced by disassembling the outer ring. Thus effectively reducing the use cost of the bearing.
Of course, it can be seen that the whole bearing is convenient to assemble and disassemble.
Drawings
Fig. 1 is a schematic structural view of the present composite self-lubricating bearing.
In the figure, 1, an inner ring; 2. an outer ring; 2a, a first body; 2a1, a first baffle edge; 2b, a second body; 2b1, a second blocking edge; 3. a positioning cylinder; 4. a solid lubrication column; 5. a bolt; 6. a nut; 7. and a buffer gasket.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
It is noted that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the composite self-lubricating bearing comprises an inner ring 1 and an outer ring 2, wherein the outer side of the inner ring 1 is spherical, the inner side of the outer ring 2 is matched with the outer side of the inner ring 1 and the outer ring 2 is sleeved on the inner ring 1, the composite self-lubricating bearing further comprises a cylindrical positioning cylinder 3, the inner side of the positioning cylinder 3 is matched with the outer side of the inner ring 1, the outer side of the positioning cylinder 3 is matched with the inner side of the outer ring 2, the positioning cylinder 3 is axially and fixedly connected between the inner ring 1 and the outer ring 2, a plurality of through connecting holes are formed in the positioning cylinder 3 along the circumferential direction of the positioning cylinder, and a solid lubricating column 4 corresponding to the positioning cylinder is fixedly connected at each connecting hole.
The solid lubrication column 4 partially extends out of the inner side of the positioning cylinder 3, and the solid lubrication column 4 abuts against the outer side of the inner ring 1.
The two ends of the outer ring 2 are respectively provided with a first blocking edge 2a1 and a second blocking edge 2b1 which are annularly protruded, and the first blocking edge 2a1 and the second blocking edge 2b1 respectively abut against the two ends of the positioning cylinder 3.
The outer ring 2 comprises a cylindrical body I2 a and a cylindrical body II 2b, the blocking edge I2 a1 is positioned at the outer end of the body I2 a, the blocking edge II 2b1 is positioned at the outer end of the body II 2b, and the inner end of the body I2 a is connected with the inner end of the body II 2 b.
The first body 2a is provided with a first penetrating connecting hole, the second body 2b is provided with a second penetrating connecting hole, and the first body 2a and the second body 2b are fixedly connected after the first connecting hole and the second connecting hole are penetrated by the fastener.
The fastener comprises a bolt 5 and a nut 6, wherein the bolt 5 is arranged at the first connecting hole and the second connecting hole in a penetrating way, the head of the bolt 5 is abutted against the outer end of the second body 2b, the nut 6 is connected to the bolt 5 in a threaded way, and the nut is abutted against the outer end of the first body 2 a.
The number of the fasteners is a plurality of, and the fasteners are circumferentially and uniformly distributed at the outer ring 2.
And a flexible buffer washer 7, wherein the buffer washer 7 is pressed against the inner end of the first body 2a and the inner end of the second body 2b, and the bolt 5 is penetrated on the buffer washer 7.
The cushion ring 7 is made of rubber material.
The outer edge of the buffer washer 7 is flush with the outer side of the outer ring 2.
The composite self-lubricating bearing creatively arranges the positioning cylinder between the inner ring and the outer ring, and simultaneously fixedly connects the solid lubricating column at the connecting hole of the positioning cylinder.
It can be seen that the above structure can stably position the solid lubrication column between the inner ring and the outer ring. The inner ring can smoothly rotate relative to the outer ring under the action of the solid lubrication column.
The composite self-lubricating bearing is used for axially fixing shaft parts on a support. That is, the outer ring is fixedly connected with the bracket, the inner ring is sleeved on the shaft part, and the outer ring and the inner ring are fixedly connected. The shaft parts can be smoothly rotated through the solid lubrication column between the inner ring and the outer ring.
The outer side of the spherical surface of the inner ring is matched with the inner side of the outer ring, and the structure can enable the shaft parts to swing properly relative to the bracket.
The solid lubrication column is made of graphite material.
The technical features of the above-described embodiments may be combined in any manner, and for brevity, all of the possible combinations of the technical features of the above-described embodiments are not described, however, all of the combinations of the technical features should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
It will be appreciated by persons skilled in the art that the above embodiments have been provided for the purpose of illustrating the utility model and are not to be construed as limiting the utility model, and that suitable modifications and variations of the above embodiments are within the scope of the utility model as claimed.
Claims (10)
1. The utility model provides a combined type self-lubricating bearing, includes inner circle and outer lane, its characterized in that, the inner circle outside is the sphere, the outer lane inboard is with inner circle outside assorted and outer lane cover is on the inner circle, still includes a positioning tube that is the tube-shape, positioning tube inboard is mateed with the inner circle outside, positioning tube outside and outer lane inboard assorted, above-mentioned positioning tube axial links firmly between inner circle and outer lane, have a plurality of connecting holes that run through along its circumference on the positioning tube, every connecting hole department has all linked firmly the solid lubrication post rather than corresponding.
2. The composite self-lubricating bearing of claim 1, wherein the solid lubrication post portion extends inside the positioning cylinder and the solid lubrication post abuts the outside of the inner ring.
3. The composite self-lubricating bearing of claim 2, wherein the outer race has annular protruding first and second stop edges at each end thereof, the first and second stop edges abutting against each end of the positioning barrel.
4. A composite self-lubricating bearing according to claim 3, wherein the outer race comprises a cylindrical body one and a cylindrical body two, the first blocking edge being located at an outer end of the body one, the second blocking edge being located at an outer end of the body, the first inner end of the body being connected to the second inner end of the body.
5. The composite self-lubricating bearing of claim 4, wherein the first body is provided with a first through connecting hole, the second body is provided with a second through connecting hole, and the first body and the second body are fixedly connected after the first connecting hole and the second connecting hole are penetrated by the fastener.
6. The composite self-lubricating bearing of claim 5, wherein the fastener comprises a bolt and a nut, the bolt is threaded through the first and second connecting holes, the head of the bolt abuts against the outer end of the body, and the nut is threadedly coupled to the bolt and the nut abuts against the outer end of the body.
7. The composite self-lubricating bearing of claim 6, wherein the number of fasteners is a plurality of fasteners, and the plurality of fasteners are circumferentially and uniformly distributed at the outer ring.
8. The composite self-lubricating bearing of claim 7, further comprising a flexible cushion ring, said cushion ring being compressed against the first inner end and the second inner end of the body, said bolt being threaded onto the cushion ring.
9. The composite self-lubricating bearing of claim 8, wherein the cushion washer is a rubber material.
10. The composite self-lubricating bearing of claim 9, wherein the outer rim of the cushion ring is flush with the outer side of the outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320646738.XU CN219774602U (en) | 2023-03-27 | 2023-03-27 | Composite self-lubricating bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320646738.XU CN219774602U (en) | 2023-03-27 | 2023-03-27 | Composite self-lubricating bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774602U true CN219774602U (en) | 2023-09-29 |
Family
ID=88106545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320646738.XU Active CN219774602U (en) | 2023-03-27 | 2023-03-27 | Composite self-lubricating bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774602U (en) |
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2023
- 2023-03-27 CN CN202320646738.XU patent/CN219774602U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |