A high speed bearing
By using a self-lubricating sleeve structure in high-speed bearings, the lubricating particles are generated using solid lubricating materials to achieve self-lubricating effect, the problem of wear and jamming of existing bearings due to untimely refueling is solved, and production costs are reduced.
Patent Information
- Application Number
- CN201910899909.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-09-23
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2039-09-23
AI Technical Summary
Existing bearings are prone to wear and get stuck due to untimely refueling during use, and the lubrication method of refueling devices is costly, which affects market competitiveness.
A high-speed bearing is designed with a self-lubricating sleeve structure. The self-lubricating sleeve is made of solid lubricating materials. Lubricating particles are generated during friction, reducing the friction coefficient and achieving self-lubricating effect.
Through the lubricating particles generated by the self-lubricating sleeve, the bearing can be kept lubricated without external oil refueling, avoid wear and jamming, reduce production costs, and improve market competitiveness.
Smart Images

Figure CN110552957B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of bearings, and in particular to a high-speed bearing. Background Art
[0002] In the prior art, when bearings and rotating shafts work together, they generally need to be lubricated by manual refueling or refueling through a refueling device. When refueling manually, if the refueling is not timely, the bearings and rotating shafts are prone to wear and jamming, affecting the service life of the bearings and rotating shafts; if a refueling device is used for refueling, the production cost is high, which reduces market competitiveness. Summary of the invention
[0003] Based on the problems in the prior art, the present invention provides a high-speed bearing.
[0004] The present invention provides a high-speed bearing, which includes a sleeve and a self-lubricating sleeve; the sleeve is sleeved on the outside of the self-lubricating sleeve; wherein the self-lubricating sleeve is made of solid lubricating material so that the self-lubricating sleeve generates lubricating particles when rubbing against the inner wall of the self-lubricating sleeve.
[0005] Furthermore, the solid lubricating material includes a graphite material, so that the generated lubricating particles are graphite particles.
[0006] Furthermore, the self-lubricating sleeve is provided with a plurality of through holes, and the through holes penetrate the inner wall and the outer wall of the self-lubricating sleeve.
[0007] Further, the self-lubricating sleeve is rotatable relative to the sleeve.
[0008] Furthermore, the self-lubricating sleeve and the kit are fixed to each other.
[0009] Furthermore, the kit includes a bearing, and the bearing includes an inner ring, and the inner ring is sleeved on the outer side of the self-lubricating sleeve.
[0010] Furthermore, the bearing also includes an outer ring and steel balls; the outer ring is sleeved on the outer side of the inner ring, and the steel balls are arranged between the outer ring and the inner ring so that the outer ring and the inner ring can rotate relative to each other.
[0011] Furthermore, the high-speed bearing also includes a rotating shaft, the self-lubricating sleeve is sleeved on the outer side of the rotating shaft and the rotating shaft can rotate relative to the self-lubricating sleeve.
[0012] Furthermore, a limiting wall is protruding from the outer wall of the rotating shaft, and the self-lubricating sleeve and the inner ring of the bearing abut against the limiting wall.
[0013] The beneficial effects of the present invention are as follows: when the kit is connected to the rotating shaft through the self-lubricating sleeve, the lubricating effect of the lubricating particles generated can reduce the friction coefficient, so that the rotating shaft can have a lubricating effect without refueling, avoiding the wear and jamming of the kit and the rotating shaft due to untimely refueling, and also preventing high costs and reduced market competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of a high-speed bearing provided by one embodiment of the present invention;
[0015] Figure 2 is a cross-sectional view of a high-speed bearing provided by one embodiment of the present invention;
[0016] Figure 3 It is a structural schematic diagram of a self-lubricating sleeve provided by one embodiment of the present invention;
[0017] Figure 4 It is a cross-sectional view of a high-speed bearing provided by another embodiment of the present invention. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0019] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, horizontal, vertical, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. The "connection" mentioned above can be a direct connection or an indirect connection, and the "setting", "setting at" and "setting at" can be directly set at or indirectly set at.
[0020] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.
[0021] See also Figure 1 to Figure 2 , Figure 1 It is a structural schematic diagram of a high-speed bearing provided by one embodiment of the present invention; Figure 2It is a cross-sectional view of a high-speed bearing provided by one embodiment of the present invention; in this embodiment, the high-speed bearing includes a kit and a self-lubricating sleeve 30; the kit is arranged on the outside of the self-lubricating sleeve 30; wherein the self-lubricating sleeve 30 is made of solid lubricating material so that when the rotating shaft 20 rubs against the inner wall of the self-lubricating sleeve 30, the self-lubricating sleeve 30 generates lubricating particles.
[0022] In this embodiment, when the kit is connected to the rotating shaft 20 through the self-lubricating sleeve 30, the lubricating effect of the lubricating particles generated can reduce the friction coefficient, so that the rotating shaft 20 can have a lubricated effect without refueling, avoiding the wear and jamming of the kit and the rotating shaft 20 due to untimely refueling, and also preventing high costs and reduced market competitiveness.
[0023] In an optional embodiment, such as the present embodiment, the solid lubricating material includes a graphite material, so that the generated lubricating particles are graphite particles, and the graphite particles have a better lubricating effect. In an optional embodiment, the solid lubricating material can also be molybdenum disulfide, boron nitride or nylon.
[0024] In an optional embodiment, such as the present embodiment, Figure 3 As shown, the self-lubricating sleeve 30 is provided with a plurality of through holes 31 , and the through holes 31 penetrate the inner wall and the outer wall of the self-lubricating sleeve 30 to facilitate the movement and storage of the lubricating particles.
[0025] In an optional embodiment, such as the present embodiment, the self-lubricating sleeve 30 is rotatable relative to the sleeve.
[0026] In an optional embodiment, the self-lubricating sleeve 30 and the sleeve are fixed to each other.
[0027] In an optional embodiment, such as the present embodiment, the kit includes a bearing 30 , and the bearing 30 includes an inner ring 11 , and the inner ring 11 is sleeved on the outer side of the self-lubricating sleeve 30 .
[0028] In an optional embodiment, such as the present embodiment, the bearing 30 further includes an outer ring 13 and a steel ball 12; the outer ring 13 is sleeved on the outside of the inner ring 11, and the steel ball 12 is arranged between the outer ring 13 and the inner ring 11, so that the outer ring 13 and the inner ring 11 can rotate relative to each other.
[0029] In an alternative embodiment, if Figure 4 As shown, the kit includes a sleeve 14 , which is sleeved on the outside of the self-lubricating sleeve 30 .
[0030] In an optional embodiment, such as the present embodiment, the high-speed bearing further includes a rotating shaft 20 , a self-lubricating sleeve 30 is sleeved on the outer side of the rotating shaft 20 , and the rotating shaft 20 can rotate relative to the self-lubricating sleeve 30 .
[0031] In an optional embodiment, such as the present embodiment, a limiting wall 21 is protruded from the outer wall of the rotating shaft 20, and the inner ring 11 of the self-lubricating sleeve 30 and the bearing 30 abuts against the limiting wall 21 to limit the bearing 30 and the self-lubricating sleeve 30, so that the bearing 30 and the self-lubricating sleeve 30 are more stable when working.
[0032] In an optional embodiment, such as the present embodiment, the self-lubricating sleeve 30 is cylindrical to match the bearing 30 and the cylindrical rotating shaft 20 .
[0033] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A high-speed bearing, characterized in that: The high-speed bearing comprises a kit, a self-lubricating sleeve and a rotating shaft; the kit is sleeved on the outer side of the self-lubricating sleeve; wherein the self-lubricating sleeve is made of solid lubricating material so that the self-lubricating sleeve generates lubricating particles when rubbing against the inner wall of the self-lubricating sleeve; the self-lubricating sleeve is provided with a plurality of through holes, and the through holes penetrate the inner wall and the outer wall of the self-lubricating sleeve so that the lubricating particles can move or be stored; the kit comprises a bearing, and the bearing comprises an inner ring, and the inner ring is sleeved on the outer side of the self-lubricating sleeve; the self-lubricating sleeve is sleeved on the outer side of the rotating shaft and the rotating shaft can rotate relative to the self-lubricating sleeve; a limiting wall is convexly provided on the outer side wall of the rotating shaft, and the self-lubricating sleeve and the inner ring of the bearing abut against the limiting wall; the solid lubricating material comprises graphite material, so that the generated lubricating particles are graphite particles.
2. The high-speed bearing according to claim 1, characterized in that: The self-lubricating sleeve is rotatable relative to the sleeve.
3. The high-speed bearing according to claim 1, characterized in that: The self-lubricating sleeve and the sleeve are fixed to each other.
4. The high-speed bearing according to claim 1, characterized in that: The bearing further comprises an outer ring and steel balls; the outer ring is sleeved on the outer side of the inner ring, and the steel balls are arranged between the outer ring and the inner ring, so that the outer ring and the inner ring can rotate relatively.
Citation Information
Patent Citations
Self-lubricating bearing bush
CN202031989U
High-speed bearing
CN210715562U
Hybrid bearing assembly with rolling elements and plain bearing
US20150292561A1