Wear-resistant centripetal spherical plain bearing
By introducing an inner ring assembly and a lubrication assembly into the radial spherical plain bearing, the problems of inner ring wear and dust contamination are solved by using balls to reduce friction and automatically replenish lubricant, thereby improving the bearing's wear resistance and service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LISHUI JINZHENG BEARING MFG CO LTD
- Filing Date
- 2025-06-04
- Publication Date
- 2026-04-10
AI Technical Summary
Existing radial spherical plain bearings have a large contact area between the inner ring and the self-lubricating plate, which leads to severe wear due to prolonged contact. In addition, dust can easily enter the bearing after long-term use, contaminating the lubricating fluid and causing further wear.
An inner ring assembly and a lubrication assembly were designed. The inner ring assembly reduces the contact area between the inner ring and the self-lubricating plate by using ball bearings. The lubrication assembly realizes automatic replenishment and replacement of lubricant through an oil contact sensor and a lubricant pump.
It reduces wear on the inner ring, maintains the bearing's wear resistance, prevents dust from contaminating the lubricant, and extends the bearing's service life.
Smart Images
Figure CN224107561U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to joint bearing technical field, concretely is a kind of wear-resistant type centripetal joint bearing. BACKGROUND
[0002] Centripetal joint bearing is a kind of sliding bearing mainly used to bear radial load, its structure is composed of inner ring with spherical sliding surface and outer ring matched with it, and flexible rotation in multiple directions is realized by the spherical surface contact of inner and outer rings, with the characteristics of automatic alignment, low friction and angle deviation adaptation, widely used in mechanical parts needing radial support and existing inclination or deflection motion in automobile, engineering machinery and the like;
[0003] But the existing centripetal joint bearing is only relied on self-lubricating sheet to play wear-resistant role, but the contact surface of inner ring and self-lubricating sheet is large, and long-time contact can cause serious wear of both; At the same time, after long-term use of centripetal joint bearing, dust is easy to enter between inner ring, outer ring and gasket to contaminate lubricating liquid, and mixed impurities can cause wear of centripetal joint bearing.
[0004] Therefore, a wear-resistant type centripetal joint bearing is needed to improve the above problems. SUMMARY
[0005] In order to solve the problem that the contact surface of inner ring and self-lubricating sheet is large when centripetal joint bearing is used, and long-time contact can cause serious wear of both, the utility model provides a wear-resistant type centripetal joint bearing to solve the above problems.
[0006] To achieve the above purpose, the utility model provides the following technical scheme:
[0007] A wear-resistant type centripetal joint bearing, comprising an outer ring, a threaded mounting rod is mounted on the side wall of the outer ring, a limiting groove is formed in the inner wall of the outer ring, a self-lubricating gasket is arranged on the inner wall of the limiting groove, a fixing groove is formed in the inner wall of the self-lubricating gasket, an inner ring assembly is rotatably connected to the inner wall of the fixing groove, and a lubricating assembly is embeddedly installed on the outer wall of the outer ring.
[0008] The inner ring assembly comprises an inner ring, the inner ring is rotatably connected to the inner wall of the fixing groove, an inner gasket ring is plug-in installed on the inner wall of the inner ring, a plurality of positioning holes are formed in annular array on the outer wall of the inner ring, and a plurality of balls are rotatably connected to the inner wall of the positioning holes.
[0009] As a preferred scheme of the utility model, the lubricating assembly comprises a liquid storage tank, a sealing ring and a limiting ring, the liquid storage tank is embeddedly installed on the outer wall of the outer ring, a lubricating liquid pump is arranged on the bottom outer wall of the liquid storage tank, and a catheter is mounted on the outlet of the lubricating liquid pump.
[0010] As the preferred scheme of the utility model, the sealing ring is inlaidly installed at the port of the outer ring, wherein the sealing ring is located at one side of the self-lubricating gasket, and the sealing ring is located between the outer ring and the inner ring ring, a liquid outlet hole is annularly formed on the outer wall of the sealing ring, the sealing ring is a hollow structure, and a controller is arranged on the outer wall of the liquid storage tank.
[0011] As the preferred scheme of the utility model, a chargeable energy storage battery is arranged on the outer wall of the liquid storage tank, a one-way liquid filling pipe is arranged on the outer wall of the liquid storage tank, and the limiting stop ring is inlaidly installed at the port of the outer ring.
[0012] As the preferred scheme of the utility model, the limiting stop ring is located at one side of the inner ring ring, and the limiting stop ring and the sealing ring are respectively located at opposite ports of the outer ring.
[0013] As the preferred scheme of the utility model, an oil liquid contact sensor is inlaidly installed on the outer wall of the limiting stop ring, and the oil liquid contact sensor is located at one side of the inner ring ring.
[0014] As the preferred scheme of the utility model, the controller is respectively connected with the lubricating liquid pump, the chargeable energy storage battery and the oil liquid contact sensor through wires in an electrical connection mode.
[0015] As the preferred scheme of the utility model, the limiting groove and the fixing groove are both arc-shaped structures in cross section, and the inner ring ring is located in the inner cavity of the self-lubricating gasket.
[0016] Compared with the prior art, the utility model can reduce the friction between the inner ring ring and the self-lubricating gasket by arranging the inner ring assembly in the wear-resistant radial joint bearing, so that the inner ring ring rotates on the inner wall of the self-lubricating gasket, the outer wall of the inner ring ring is inlaidly installed with a ball, the inner ring ring rotates on the inner wall of the self-lubricating gasket through the ball, the contact area of the ball and the self-lubricating gasket is small due to the rolling friction therebetween, the wear of the inner ring ring is reduced, the wear resistance of the bearing is better, and thus the problem that the existing radial joint bearing only relies on the self-lubricating gasket to play a wear-resistant role, but the contact area of the inner ring and the self-lubricating gasket is large, and long-time contact causes serious wear of the two is solved.
[0017] The utility model discloses a lubricating assembly is arranged in the wear -resisting type centripetal joint bearing can realize the monitoring of the lubricating liquid of bearing, when the lubricating liquid of bearing is short, timely supplement replacement, and lubricating liquid does not contact oil contact sensor, and oil contact sensor produces electric signal and is conducted to the controller through the wire, when reaching the parameter of setting, will make the controller control lubricating liquid pump and run, wherein lubricating liquid pump extracts the lubricating liquid of the inner chamber of liquid storage tank, and lubricating liquid is discharged through the catheter, and then makes lubricating liquid discharge through the catheter and enter the inner chamber of the sealing ring, and lubricating liquid is discharged through the liquid outlet hole, and the lubricating oil moves from one side of the inner ring to the other side of the inner ring, and then makes the lubricating liquid carry out the old lubricating liquid of the outer ring, the inner ring and the inner wall of the self -lubricating gasket, and the lubricating liquid in the bearing inner chamber is replaced, thereby solving the problem that the centripetal joint bearing is used for a long time, and the dust is easy to enter and pollute the lubricating liquid between the inner ring, the outer ring and the gasket, and the mixed impurity lubricating liquid can cause the wear of the centripetal joint bearing. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is whole structure schematic diagram of the utility model;
[0019] Figure 2 It is overhead structure schematic diagram of the utility model;
[0020] Figure 3 It is analytic structure schematic diagram of the outer ring of the utility model;
[0021] Figure 4 It is analytic structure schematic diagram of the self -lubricating gasket of the utility model;
[0022] Figure 5 It is the utility model Figure 4 A place structure enlarged schematic diagram.
[0023] In the drawing: 1, outer ring;2, threaded mounting rod;3, limit slot;4, self -lubricating gasket;5, fixed groove;6, inner ring assembly;601, inner ring;602, inner pad ring;603, positioning hole;604, ball;7, lubricating assembly;701, liquid storage tank;702, sealing ring;703, limit baffle ring;704, lubricating liquid pump;705, catheter;706, liquid outlet hole;707, controller;708, rechargeable energy storage battery;709, one -way liquid filling pipe;710, oil contact sensor. DETAILED DESCRIPTION
[0024] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments, and based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0025] Embodiment: please refer to Figures 1-5 The wear-resistant type centripetal knuckle bearing shown in the drawing comprises an outer ring 1, a threaded mounting rod 2 is mounted on the side wall of the outer ring 1, a limiting groove 3 is formed on the inner wall of the outer ring 1, a self-lubricating gasket 4 is arranged on the inner wall of the limiting groove 3, a fixing groove 5 is formed on the inner wall of the self-lubricating gasket 4, an inner ring assembly 6 is rotatably connected to the inner wall of the fixing groove 5, and a lubricating assembly 7 is inlaidly mounted on the outer wall of the outer ring 1.
[0026] In this embodiment, specific reference is made to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The inner ring assembly 6 comprises an inner ring 601, the inner ring 601 is rotatably connected to the inner wall of the fixing groove 5, an inner gasket ring 602 is plug-in mounted on the inner wall of the inner ring 601, a plurality of positioning holes 603 are formed in an annular array on the outer wall of the inner ring 601, and a plurality of rolling balls 604 are rotatably connected to the inner wall of the positioning holes 603.
[0027] In this embodiment, specific reference is made to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The lubricating assembly 7 comprises a liquid storage tank 701, a sealing ring 702 and a limiting stop ring 703. The liquid storage tank 701 is embeddedly installed on the outer wall of the outer ring 1. The bottom outer wall of the liquid storage tank 701 is provided with a lubricating liquid pump 704. The outlet of the lubricating liquid pump 704 is provided with a conduit 705. The sealing ring 702 is embeddedly installed at the port of the outer ring 1. The sealing ring 702 is located on one side of the self-lubricating gasket 4 and between the outer ring 1 and the inner ring 601. The outer wall of the sealing ring 702 is annularly provided with a liquid outlet hole 706. The sealing ring 702 is a hollow structure. The outer wall of the liquid storage tank 701 is provided with a controller 707. The outer wall of the liquid storage tank 701 is provided with a rechargeable energy storage battery 708. The outer wall of the liquid storage tank 701 is provided with a one-way liquid filling pipe 709. The limiting stop ring 703 is embeddedly installed at the port of the outer ring 1. The limiting stop ring 703 is located on one side of the inner ring 601. The limiting stop ring 703 and the sealing ring 702 are respectively located at the opposite ports of the outer ring 1. The outer wall of the limiting stop ring 703 is embeddedly installed with an oil liquid contact sensor 710, and the oil liquid contact sensor 710 is located on one side of the inner ring 601.
[0028] The controller 707 is connected with the lubricating liquid pump 704, the rechargeable energy storage battery 708 and the oil liquid contact sensor 710 through wires and is electrically connected. The device is powered on, and the controller 707 controls the lubricating liquid pump 704, the rechargeable energy storage battery 708 and the oil liquid contact sensor 710 to operate. The cross sections of the limiting groove 3 and the fixing groove 5 are arc-shaped structures. The inner ring 601 is located in the inner cavity of the self-lubricating gasket 4. The rechargeable energy storage battery 708 supplies power for the operation of the device, and lubricating liquid is injected through the one-way liquid filling pipe 709 to store in the inner cavity of the liquid storage tank 701.
[0029] The wear-resistant radial knuckle bearing of the scheme is energized through the controller 707 connected with the lubricating liquid pump 704, the rechargeable energy storage battery 708 and the oil contact sensor 710 through wires under the action that the connection mode is electrically connected, so as to control the lubricating liquid pump 704, the rechargeable energy storage battery 708 and the oil contact sensor 710 to run. When the bearing is used, the limiting groove 3 is arranged on the inner wall of the outer ring 1, the self-lubricating gasket 4 is arranged on the inner wall of the limiting groove 3, the fixing groove 5 is arranged on the inner wall of the self-lubricating gasket 4, and the inner ring assembly 6 is rotatably connected to the inner wall of the fixing groove 5. The inner ring 601 rotates on the inner wall of the self-lubricating gasket 4, and the inner ring 601 is rotatably connected to the inner wall of the fixing groove 5. The inner pad ring 602 is plug-connected and installed on the inner wall of the inner ring 601. The positioning hole 603 is arranged in an annular array on the outer wall of the inner ring 601. The ball 604 is rotatably connected to the inner wall of the positioning hole 603. Since the ball 604 is embedded on the outer wall of the inner ring 601, the inner ring 601 rotates on the inner wall of the self-lubricating gasket 4 through the ball 604. Since there is rolling friction between the ball 604 and the self-lubricating gasket 4, the contact area of the two is small, the wear of the inner ring 601 is reduced, the wear resistance of the bearing is better, and the problem that the existing radial knuckle bearing only relies on the self-lubricating piece to play a wear-resistant role, but the contact surface of the inner ring and the self-lubricating piece is large, and long-time contact will cause serious wear of the two is solved.
[0030] The oil liquid contact sensor 710 is embedded on the outer wall of the limiting baffle ring 703, and is located on one side of the inner ring 601, so that when the lubricating liquid of the bearing is consumed, the lubricating liquid is reduced, and the lubricating liquid cannot contact the oil liquid contact sensor 710, so that the oil liquid contact sensor 710 generates an electric signal which is conducted to the controller 707 through a wire. The lubricating liquid pump 704 is arranged on the bottom outer wall of the liquid storage tank 701, the outlet of the lubricating liquid pump 704 is provided with a conduit 705, and the sealing ring 702 is embedded at the port of the outer ring 1, wherein the sealing ring 702 is located on one side of the self-lubricating gasket 4, and the sealing ring 702 is located between the outer ring 1 and the inner ring 601. The outer wall of the sealing ring 702 is annularly provided with a liquid outlet hole 706, and the sealing ring 702 is a hollow structure, so that when the set parameter is reached, the controller 707 controls the lubricating liquid pump 704 to operate, wherein the lubricating liquid pump 704 pumps out the lubricating liquid in the inner cavity of the liquid storage tank 701, and the lubricating liquid is discharged through the conduit 705, so that the lubricating liquid is discharged through the conduit 705 into the inner cavity of the sealing ring 702, and the lubricating liquid is discharged through the liquid outlet hole 706, so that the lubricating oil moves from one side of the inner ring 601 to the other side of the inner ring 601, so that the lubricating liquid carries out the old lubricating liquid on the inner wall of the outer ring 1, the inner ring 601 and the self-lubricating gasket 4, so that the lubricating liquid in the bearing cavity is replaced, thereby solving the problem that dust easily enters and pollutes the lubricating liquid between the inner ring, the outer ring and the gasket of the radial joint bearing after long-term use, and the mixed impurities of the lubricating liquid cause the radial joint bearing to wear.
[0031] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A wear-resistant type of a centripetal knuckle bearing comprising an outer ring (1), characterized in that: The side wall of the outer ring (1) is provided with a threaded mounting rod (2), the inner wall of the outer ring (1) is provided with a limiting groove (3), the inner wall of the limiting groove (3) is provided with a self-lubricating gasket (4), the inner wall of the self-lubricating gasket (4) is provided with a fixing groove (5), and the inner wall of the fixing groove (5) is rotatably connected with an inner ring assembly (6); and the outer wall of the outer ring (1) is embedded with a lubricating assembly (7). The inner ring assembly (6) comprises an inner ring (601), which is rotatably connected to the inner wall of the fixing groove (5), the inner wall of the inner ring (601) is provided with an inner gasket ring (602), and the outer wall of the inner ring (601) is provided with a positioning hole (603) in an annular array.
2. A wear-resistant type of a radial spherical plain bearing according to claim 1, characterized in that The lubricating assembly (7) comprises a liquid storage tank (701), a sealing ring (702) and a limiting ring (703), the liquid storage tank (701) is embedded on the outer wall of the outer ring (1), the bottom outer wall of the liquid storage tank (701) is provided with a lubricating liquid pump (704), and the outlet of the lubricating liquid pump (704) is provided with a catheter (705).
3. A wear-resistant type of a radial spherical plain bearing according to claim 2, characterized in that The sealing ring (702) is embedded at the port of the outer ring (1), wherein the sealing ring (702) is located on one side of the self-lubricating gasket (4), and the sealing ring (702) is located between the outer ring (1) and the inner ring (601), the outer wall of the sealing ring (702) is provided with a liquid outlet hole (706) in an annular shape, and the sealing ring (702) is a hollow structure, and the outer wall of the liquid storage tank (701) is provided with a controller (707).
4. A wear-resistant type of a radial spherical plain bearing according to claim 3, characterized in that: The outer wall of the liquid storage tank (701) is provided with a rechargeable energy storage battery (708), the outer wall of the liquid storage tank (701) is provided with a one-way liquid filling pipe (709), and the limiting ring (703) is embedded at the port of the outer ring (1).
5. A wear-resistant type of a radial spherical plain bearing according to claim 4, characterized in that The limiting ring (703) is located on one side of the inner ring (601), and the limiting ring (703) and the sealing ring (702) are respectively located at the opposite ports of the outer ring (1).
6. A wear-resistant type of a radial spherical plain bearing according to claim 5, characterized in that The outer wall of the limiting ring (703) is embedded with an oil liquid contact sensor (710), and the oil liquid contact sensor (710) is located on one side of the inner ring (601).
7. A wear-resistant type of a radial spherical plain bearing according to claim 6, characterized in that The controller (707) is connected with the lubricating liquid pump (704), the rechargeable energy storage battery (708) and the oil liquid contact sensor (710) through wires in an electrical connection manner.
8. The wear resistant type of a radial spherical plain bearing according to claim 1, characterized in that: The limiting groove (3) and the fixing groove (5) are both arc-shaped in cross section, and the inner ring (601) is located in the inner cavity of the self-lubricating gasket (4).