Porous ceramic bearing

Abstract

The utility model discloses a porous ceramic bearing, which relates to the technical field of bearings and comprises a bearing outer ring, a bearing inner ring is arranged on the inner side wall of the bearing outer ring, and two protection units are arranged at the joint of the bearing outer ring and the bearing inner ring. According to the ceramic bearing, the bearing outer ring, the bearing inner ring and the multiple ceramic balls can be protected through the protection pieces, the influence of dust and impurities is prevented, the protection pieces can be conveniently and flexibly disassembled and assembled through cooperation of the protection pieces, the adjusting blocks, reset springs, fixing pins and fixing holes, the bearing can be conveniently lubricated and maintained, and the service life of the bearing is prolonged. The service life of the bearing is prolonged, the use difficulty is reduced, the multiple ceramic balls can be limited and fixed through the fixing frame, and the supporting seat connected to the bottom ends of the ceramic balls can play a role in adsorbing lubricating oil due to the characteristic of a sponge material, so that leakage of the lubricating oil is prevented, and the service life of the bearing is prolonged. And a continuous lubrication maintenance effect is provided for the ceramic balls.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a porous ceramic bearing. Background Technique

[0002] A bearing is an important part of a mechanical rotating structure. The bearing can provide rotational accuracy and smoothness for mechanical rotation. For example, a Chinese patent discloses a highly seismic-resistant ceramic bearing (publication number CN217539353U). Although this ceramic bearing can improve the seismic resistance of the bearing through a seismic-resistant structure, during the use of the bearing, impurities and dust will fall onto the balls. After long-term use, it will affect the service life and rotational smoothness of the bearing. The added protective device will also affect the operation of bearing lubrication and maintenance, increasing the difficulty of using the bearing. Content of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the utility model provides a porous ceramic bearing, which solves the problem that the use of the bearing is easily affected by impurities and dust.

[0004] To achieve the above object, the utility model is realized through the following technical solutions: a porous ceramic bearing, including an outer bearing ring, the inner side wall of the outer bearing ring is provided with an inner bearing ring, and two protection units are arranged at the connection between the outer bearing ring and the inner bearing ring;

[0005] The protection unit includes a protection piece, the outer surface of the protection piece is annularly connected with four mounting blocks, the end face of the protection piece is annularly provided with two sliding grooves, the inner side walls of the two sliding grooves are both provided with adjusting blocks, and the bottom end of the adjusting block is connected with a fixing pin.

[0006] As a further technical solution of the utility model, the inner bearing ring includes an inner ring seat, the outer surface of the inner ring seat is connected with a fixing frame, the inner side wall of the fixing frame is provided with a plurality of ceramic balls, and four limiting blocks are arranged on the outer surface of the inner ring seat annularly and on both sides of the fixing frame.

[0007] As a further technical solution of the utility model, mounting grooves adapted to the sliding paths of the four mounting blocks are opened at the corresponding positions of the two end faces of the outer bearing ring, and two movable grooves adapted to the sliding paths of the mounting blocks are opened at the corresponding positions of the inner side wall of the outer bearing ring, and the movable grooves are communicated with the mounting grooves.

[0008] As a further technical solution of the utility model, two guiding grooves are opened at the corresponding positions of the inner side wall of the sliding groove and the sliding path of the adjusting block, a return spring is connected to the top end of the adjusting block and on the inner side wall of the sliding groove, the bottom end of the fixing pin penetrates through the inner side wall of the sliding groove, and a fixing hole corresponding to the fixing pin is opened on the outer surface of the inner ring seat.

[0009] As a further technical solution of the present utility model, limiting grooves adapted to each other are provided at corresponding positions on the inner side wall of the protective sheet and the sliding paths of the four limiting blocks. Through holes corresponding to the plurality of ceramic balls are provided on the outer surface of the fixing frame. Support seats are connected to the outer surface of the inner ring seat at positions corresponding to the plurality of ceramic balls, and the support seats are made of sponge material.

[0010] As a further technical solution of the present utility model, the inner diameter dimensions of the sliding groove and the guiding groove are adapted to the sliding path of the adjusting block, the inner diameter dimension of the fixing hole is adapted to the outer diameter dimension of the fixing pin, the outer diameter dimension of the protective sheet is adapted to the inner diameter dimension of the bearing outer ring, and the inner diameter dimension of the protective sheet is adapted to the outer diameter dimension of the inner ring seat.

[0011] Beneficial effects

[0012] The present utility model provides a porous ceramic bearing. Compared with the prior art, the following beneficial effects are achieved:

[0013] 1. For a porous ceramic bearing, the protective sheet can protect the bearing outer ring, the bearing inner ring and the plurality of ceramic balls, preventing the influence of dust and impurities. The cooperation between the protective sheet, the adjusting block, the return spring, the fixing pin and the fixing hole can facilitate the flexible disassembly and assembly of the protective sheet, facilitate the lubrication and maintenance of the bearing, increase the service life of the bearing, and reduce the use difficulty.

[0014] 2. For a porous ceramic bearing, the fixing frame can limit and fix the plurality of ceramic balls. Due to the sponge material characteristics of the support seats connected to the bottoms of the ceramic balls, the support seats can adsorb lubricating oil, prevent the leakage of lubricating oil, and provide a continuous lubrication and maintenance effect for the ceramic balls. Description of the drawings

[0015] Figure 1 is a schematic structural diagram of a porous ceramic bearing;

[0016] Figure 2 is a front view of a porous ceramic bearing;

[0017] Figure 3 is a porous ceramic bearing Figure 2 A-A cross-sectional view in

[0018] Figure 4 is a schematic exploded structural diagram of a porous ceramic bearing;

[0019] Figure 5 is a porous ceramic bearing Figure 4 magnified view of A in

[0020] In the figure: 1. Outer ring of the bearing; 11. Installation groove; 12. Movable groove; 2. Inner ring of the bearing; 21. Inner ring seat; 22. Fixed frame; 23. Support seat; 24. Limit block; 25. Ceramic ball; 26. Fixed hole; 3. Protection unit; 31. Protection piece; 32. Limit groove; 33. Slide groove; 34. Guide groove; 35. Adjusting block; 36. Return spring; 37. Fixed pin; 38. Installation block. Detailed implementation manners

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1-4 , the present invention provides a technical solution for a porous ceramic bearing: a porous ceramic bearing includes an outer ring 1 of the bearing. An inner ring 2 of the bearing is provided on the inner side wall of the outer ring 1 of the bearing. Two protection units 3 are provided at the connection of the outer ring 1 and the inner ring 2 of the bearing. The protection unit 3 includes a protection piece 31. Four installation blocks 38 are annularly connected to the outer surface of the protection piece 31. Two slide grooves 33 are annularly formed on the end surface of the protection piece 31. Adjusting blocks 35 are provided on the inner side walls of the two slide grooves 33. A fixed pin 37 is connected to the bottom end of the adjusting block 35.

[0023] Such as Figures 4-5As shown in the figure, the inner ring 2 of the bearing includes an inner ring seat 21. A fixing frame 22 is connected to the outer surface of the inner ring seat 21. A plurality of ceramic balls 25 are arranged on the inner side wall of the fixing frame 22. The outer surface of the inner ring seat 21 is annular, and four limiting blocks 24 are arranged on both sides of the fixing frame 22. Installation grooves 11 adapted to each other are provided at the corresponding positions of the two end faces of the outer ring 1 of the bearing and the sliding paths of the four installation blocks 38. Two moving grooves 12 adapted to each other are provided at the corresponding positions of the inner side wall of the outer ring 1 of the bearing and the sliding paths of the installation blocks 38. The moving grooves 12 communicate with the installation grooves 11. Two guiding grooves 34 are provided at the corresponding positions of the inner side wall of the sliding groove 33 and the sliding path of the adjusting block 35. A return spring 36 is connected to the top of the adjusting block 35 and on the inner side wall of the sliding groove 33. The bottom end of the fixing pin 37 penetrates through the inner side wall of the sliding groove 33. A fixing hole 26 corresponding to the fixing pin 37 is provided on the outer surface of the inner ring seat 21. The inner diameters of the sliding groove 33 and the guiding grooves 34 are adapted to the sliding path of the adjusting block 35. The inner diameter of the fixing hole 26 is adapted to the outer diameter of the fixing pin 37. The outer diameter of the protective piece 31 is adapted to the inner diameter of the outer ring 1 of the bearing. The inner diameter of the protective piece 31 is adapted to the outer diameter of the inner ring seat 21. It should be noted that the protective piece 31 can prevent dust and impurities from falling between the plurality of ceramic balls 25 between the outer ring 1 and the inner ring 2 of the bearing, affecting the rotation of the bearing. The cooperation of the adjusting block 35 and the return spring 36 with the fixing pin 37 and the fixing hole 26 can facilitate the quick disassembly and assembly of the protective piece 31, so as to facilitate the maintenance of the ceramic balls 25, facilitate the addition of lubricating oil, and ensure the smooth rotation of the bearing.

[0024] As Figures 1-3 shown, limiting grooves 32 adapted to each other are provided at the corresponding positions of the inner side wall of the protective piece 31 and the sliding paths of the four limiting blocks 24. Through holes corresponding to the plurality of ceramic balls 25 are provided on the outer surface of the fixing frame 22. Support seats 23 are connected to the outer surface of the inner ring seat 21 and at the corresponding positions of the plurality of ceramic balls 25. The support seats 23 are made of sponge material. It should be noted that the plurality of ceramic balls 25 connected by the protective piece 31 can ensure the rotation of the inner ring seat 21, and the support seats 23 fixed on the outer surface of the inner ring seat 21 and at the bottom of the plurality of ceramic balls 25 can adsorb lubricating oil and provide continuous lubrication and maintenance for the ceramic balls.

[0025] Working principle of the utility model: When in use, slide the two adjusting blocks 35 along the inner side walls of the sliding groove 33 and the guiding groove 34, squeezing the return spring 36, so that the fixing pin 37 connected to the bottom end of the adjusting block 35 is separated from the fixing hole 26. Then, rotate the protective piece 31 and the inner ring seat 21, so that the mounting block 38 rotates along the inner side wall of the movable groove 12 to the mounting groove 11. Then, take out the protective piece 31 from between the outer ring 1 of the bearing and the inner ring seat 21, so that the limiting groove 32 of the protective piece 31 is separated from the limiting block 24, and the mounting block 38 is separated from the mounting groove 11, and the protective piece 31 can be disassembled for lubrication and maintenance.

Claims

1. A porous ceramic bearing, comprising a bearing outer ring (1), characterized in that: The inner side wall of the bearing outer ring (1) is provided with a bearing inner ring (2), and two protection units (3) are provided at the connection between the bearing outer ring (1) and the bearing inner ring (2); The protection unit (3) comprises a protection sheet (31), the outer surface of the protection sheet (31) is annularly connected with four mounting blocks (38), the end surface of the protection sheet (31) is annularly provided with two slide grooves (33), the inner side walls of the two slide grooves (33) are each provided with an adjustment block (35), and the bottom end of the adjustment block (35) is connected with a fixing pin (37).

2. A porous ceramic bearing according to claim 1, characterized in that: The bearing inner ring (2) comprises an inner ring seat (21), the outer surface of the inner ring seat (21) is connected to a fixing frame (22), a plurality of ceramic balls (25) are arranged on the inner side wall of the fixing frame (22), the outer surface of the inner ring seat (21) is annular and four limit blocks (24) are arranged on both sides of the fixing frame (22).

3. A porous ceramic bearing according to claim 1, characterized in that: Matching mounting grooves (11) are provided at the corresponding positions of the two end faces of the bearing outer ring (1) and the sliding paths of the four mounting blocks (38); and two matching movable grooves (12) are provided at the corresponding positions of the inner side wall of the bearing outer ring (1) and the sliding paths of the mounting blocks (38); the movable grooves (12) are connected to the mounting grooves (11).

4. A porous ceramic bearing according to claim 2, characterized in that: Two guide grooves (34) are provided at the inner side wall of the slide groove (33) corresponding to the sliding path of the adjustment block (35); a return spring (36) is connected to the top of the adjustment block (35) and located on the inner side wall of the slide groove (33); the bottom end of the fixing pin (37) passes through the inner side wall of the slide groove (33); and a fixing hole (26) is provided on the outer surface of the inner ring seat (21) corresponding to the fixing pin (37).

5. A porous ceramic bearing according to claim 2, characterized in that: The inner side wall of the protective sheet (31) and the corresponding positions of the sliding paths of the four limit blocks (24) are provided with matching limit grooves (32); the outer surface of the fixing frame (22) and the corresponding positions of the plurality of ceramic balls (25) are provided with through holes; the outer surface of the inner ring seat (21) and the corresponding positions of the plurality of ceramic balls (25) are connected with a support seat (23); the support seat (23) is made of sponge material.

6. A porous ceramic bearing according to claim 4, characterized in that: The inner diameters of the slide groove (33) and the guide groove (34) are matched to the sliding path of the adjustment block (35); the inner diameter of the fixing hole (26) is matched to the outer diameter of the fixing pin (37); the outer diameter of the protective sheet (31) is matched to the inner diameter of the bearing outer ring (1); and the inner diameter of the protective sheet (31) is matched to the outer diameter of the inner ring seat (21).

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