Floating bearing and manufacturing method thereof

By designing the plug and slot structure and plug structure in the floating bearing, the problem of difficult to disassemble and clean the filter net is solved, ensuring the normal flow and filtering effect of lubricant oil, and extending the service life of the turbocharger.

CN119222257APending Publication Date: 2024-12-31WUXI DESKY POWER TECH CO LTD
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Patent Information

Application Number
CN202411507720.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2024-12-31

AI Technical Summary

Technical Problem

The filter mesh of the floating bearing of existing turbochargers is difficult to disassemble and clean, resulting in easy blockage after long-term use, affecting the emission of lubricating oil and the normal use of bearings.

Method used

A floating bearing is designed, which includes a plug and slot structure, which is easy to disassemble and clean the filter mesh through magnet adsorption and bolt connection, and realizes the addition and filtering function of lubricating oil through the plug structure and elastic telescopic rod.

Benefits of technology

It effectively avoids clogging of the filter mesh, ensures that the lubricant can contact the ball normally, extends the service life of the bearing, and improves the filtering effect of lubricant impurities.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a floating bearing and a manufacturing method thereof, and belongs to the technical field of floating bearings, the floating bearing comprises a bearing main body and a baffle mounted on the bearing main body, an oil storage cavity is formed in the bearing main body, an inner sleeve is mounted in the bearing main body, a positioning frame is mounted on the bearing main body, and balls are rotationally mounted on the positioning frame; a plugging structure is mounted on the bearing main body, a filter screen is mounted on the bearing main body, a mounting block is mounted on the filter screen, an inserting block is mounted on the bearing main body, and an inserting groove matched with the inserting block is formed in the mounting block. By arranging the inserting blocks, sliding the filter screens and pulling the inserting blocks out of the inserting grooves, the blocked filter screens can be detached and cleaned, the situation that lubricating oil cannot make contact with the balls due to the fact that the filter screens are blocked is avoided, impurities in the lubricating oil can be filtered out by arranging the filter screens, and the situation that the bearings are damaged by fine particles is avoided; and the service life of the bearing can be prolonged.
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Description

Technical Field

[0001] The invention relates to a floating bearing, in particular to a floating bearing and a manufacturing method thereof, belonging to the technical field of floating bearings. Background Art

[0002] A turbocharger is actually an air compressor. Turbocharging is a technology that uses the residual energy in the exhaust gas discharged by the engine to do work to increase the effective power of the engine. This technology can reduce the fuel consumption of the engine, improve the engine's power performance, and reduce the emission of harmful components in the exhaust gas. Therefore, turbochargers with turbocharging technology as the core have become the trend of industry development. The floating bearing is an important component of the turbocharger; in the structural design of the turbocharger, the design of the floating bearing is very important, which not only affects the structural reliability and service life of the turbocharger, but also affects the mechanical efficiency of the turbocharger.

[0003] According to utility model application number 202221919632.4, a turbocharger floating bearing is disclosed, including a main body, an inner ring is fixedly connected to the inside of the main body, a refueling hole is opened on the outside of the main body, a spring is fixedly connected to the outside of the inner ring, a baffle is fixedly connected to one end of the spring, an oil storage tank is opened inside the main body, an oil inlet hole is opened on the outside of the inner ring, a guide groove is opened on the inner wall of the inner ring, and a branch groove is opened on the inner wall of the inner ring. When this patent is actually used, it is not easy to disassemble and clean the filter screen. The filter screen is easily clogged after long-term use, which makes it impossible for the lubricating oil to be discharged to the ball, thereby affecting the normal use of the bearing. Summary of the invention

[0004] The main purpose of the present invention is to solve the problem that the filter screen cannot be easily disassembled and cleaned, and to provide a floating bearing and a manufacturing method thereof.

[0005] The purpose of the present invention can be achieved by adopting the following technical solutions:

[0006] A floating bearing and a manufacturing method thereof, comprising a bearing body and a baffle mounted on the bearing body, the bearing body being provided with an oil storage cavity, an inner sleeve being mounted inside the bearing body, a positioning frame being mounted on the bearing body, a ball being rotatably mounted on the positioning frame, a plugging structure being mounted on the bearing body, a filter screen being mounted on the bearing body, a mounting block being mounted on the filter screen, an insert block being mounted on the bearing body, and a slot being provided on the mounting block to cooperate with the insert block.

[0007] Preferably, the mounting block and the inserting block are both provided with magnets that cooperate with each other.

[0008] Preferably, the blocking structure includes a base plate, a blocking plate and a plug, an elastic telescopic rod is installed on the base plate, a blocking plate is installed at one end of the elastic telescopic rod, a plug is installed on the blocking plate, and a refueling hole that cooperates with the plug is opened on the bearing body.

[0009] Preferably, the elastic telescopic rod includes an outer rod, a mounting plate, a spring and an inner rod, the mounting plate is mounted on the bottom plate, the outer rod is mounted on the mounting plate, the inner rod is slidably mounted inside the outer rod, one end of the inner rod is connected to the bottom of the blocking plate, and the inner rod is connected to the outer rod via a spring.

[0010] Preferably, two guide rods are symmetrically mounted on the bottom plate, and the blocking plate is provided with sliding holes that cooperate with the guide rods.

[0011] Preferably, a sliding block is installed at the bottom of the base plate, and a sliding groove cooperating with the sliding block is provided on the bearing body.

[0012] Preferably, the slider is a T-shaped slider, and the slide groove is a T-shaped slide groove.

[0013] Preferably, the baffle is connected to the bearing body by bolts.

[0014] A method for manufacturing a floating bearing comprises the following steps:

[0015] S1: Install the positioning frame and the ball in the bearing body, and install the inner sleeve in the bearing body;

[0016] S2: Slide the slider into the slide groove, install the plug into the bearing body, and when the plug moves to the oil filling hole, the outer rod, inner rod and spring cooperate with each other to insert the plug into the oil filling hole to install the plug;

[0017] S3: Insert the filter into the bearing body, insert the insert into the slot, let the two magnets attract each other, install the filter, install the baffle on the bearing body, install the baffle with bolts, and assemble the bearing.

[0018] Beneficial technical effects of the present invention:

[0019] 1. According to the floating bearing and the manufacturing method thereof of the present invention, by providing an insert block, sliding the filter screen, and pulling the insert block out of the slot, the clogged filter screen can be disassembled and cleaned, thereby preventing the filter screen from being clogged and causing the lubricating oil to be unable to contact the ball.

[0020] 2. By setting up a filter, impurities in the lubricating oil can be filtered to prevent fine particles from damaging the bearing, thereby increasing the service life of the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the plug structure of the present invention;

[0023] Figure 3 It is a schematic diagram of the structure of the slider of the present invention;

[0024] Figure 4 It is a schematic diagram of the ball structure of the present invention;

[0025] Figure 5 For the present invention Figure 4 A schematic diagram of the structure enlargement in the middle;

[0026] Figure 6 It is a schematic diagram of the magnet structure of the present invention;

[0027] Figure 7 It is a schematic diagram of the blocking plate structure of the present invention;

[0028] Figure 8 It is a schematic diagram of the spring structure of the present invention.

[0029] In the figure: 1. bearing body; 2. baffle; 3. plug; 4. inner sleeve; 5. bolt; 6. oil storage chamber; 7. bottom plate; 8. slider; 9. guide rod; 10. filter screen; 11. mounting block; 12. insert block; 13. plug; 14. outer rod; 15. inner rod; 16. positioning frame; 17. ball; 18. magnet; 19. mounting plate; 20. spring. DETAILED DESCRIPTION

[0030] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation manner of the present invention is not limited thereto.

[0031] like Figure 1-Figure 8As shown, the floating bearing and the manufacturing method thereof provided in this embodiment include a bearing body 1 and a baffle 2 installed on the bearing body 1, an oil storage cavity 6 is provided on the bearing body 1, an inner sleeve 4 is installed inside the bearing body 1, a positioning frame 16 is installed on the bearing body 1, a ball 17 is rotatably installed on the positioning frame 16, a plugging structure is installed on the bearing body 1, a filter screen 10 is installed on the bearing body 1, a mounting block 11 is installed on the filter screen 10, an insert block 12 is installed on the bearing body 1, and a slot that cooperates with the insert block 12 is provided on the mounting block 11. By providing the insert block 12, sliding the filter screen 10, and pulling the insert block 12 out of the slot, the blocked filter screen 10 can be disassembled and cleaned to avoid the blockage of the filter screen 10 and the inability of the lubricating oil to contact the ball 17. By providing the filter screen 10, impurities in the lubricating oil can be filtered to avoid the damage of the bearing by fine particles, thereby improving the service life of the bearing.

[0032] In this embodiment, if Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the mounting block 11 and the insert block 12 are both equipped with magnets 18 that cooperate with each other. The filter screen 10 is pulled, and the filter screen 10 slides on the bearing body 1. The insert block 12 is pulled out of the mounting block 11 to separate the two magnets 18 from each other, and then the filter screen 10 is disassembled, and the impurities adsorbed on the filter screen 10 are cleaned to prevent the filter screen 10 from being blocked and affecting the filtering effect, causing the bearing to fail to work normally.

[0033] In this embodiment, if Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 7 and Figure 8As shown, the plugging structure includes a base plate 7, a plugging plate 13 and a plug 3, an elastic telescopic rod is installed on the base plate 7, a plugging plate 13 is installed on one end of the elastic telescopic rod, a plugging plate 13 is installed on the plugging plate 13, a refueling hole that cooperates with the plug 3 is opened on the bearing body 1, the elastic telescopic rod includes an outer rod 14, a mounting plate 19, a spring 20 and an inner rod 15, a mounting plate 19 is installed on the base plate 7, the outer rod 14 is installed on the mounting plate 19, the inner rod 15 is slidably installed inside the outer rod 14, one end of the inner rod 15 is connected to the bottom of the plugging plate 13, the inner rod 15 is connected to the outer rod 14 through the spring 20, the plug 3 is slid, the inner rod 15 slides in the outer rod 14, the spring 20 is shortened, and the plug 3 is slid into the bearing body. 1, open the refueling hole and add lubricating oil to the bearing body 1. Two guide rods 9 are symmetrically installed on the bottom plate 7. A sliding hole that cooperates with the guide rod 9 is opened on the plugging plate 13. By setting the guide rod 9 and the plugging plate 13 to be slidably connected, the plug 3 can be guided and limited. A slider 8 is installed at the bottom of the bottom plate 7. A sliding groove that cooperates with the slider 8 is opened on the bearing body 1. By setting the slider 8 and the sliding groove to be slidably connected, the plug 3 can be easily installed. The slider 8 is a T-shaped slider, and the sliding groove is a T-shaped sliding groove. By setting the slider 8 to be a T-shaped slider and cooperating with the T-shaped sliding groove, the bottom plate 7 can be guided and limited. The baffle 2 is connected to the bearing body 1 by bolts 5. By setting the bolts 5, the baffle 2 can be easily installed.

[0034] In this embodiment, if Figure 1-Figure 8 As shown, the working process of a floating bearing and a manufacturing method thereof provided in this embodiment is as follows:

[0035] S1: Install the positioning frame 16 and the ball 17 in the bearing body 1, and install the inner sleeve 4 in the bearing body 1;

[0036] S2: Slide the slider 8 into the slide groove, install the plug 3 into the bearing body 1, and when the plug 3 moves to the oil filling hole, the outer rod 14, the inner rod 15 and the spring 20 cooperate with each other to insert the plug 3 into the oil filling hole to install the plug 3;

[0037] S3: Insert the filter 10 into the bearing body 1, insert the insert block 12 into the slot, the two magnets 18 are attracted to each other, install the filter 10, install the baffle 2 on the bearing body 1, install the baffle 2 with the bolts 5, and assemble the bearing.

[0038] In summary, in this embodiment, according to the floating bearing and the manufacturing method thereof, by providing the insert block 12, sliding the filter screen 10, and pulling the insert block 12 out of the slot, the blocked filter screen 10 can be disassembled and cleaned, so as to avoid the filter screen 10 being blocked and causing the lubricating oil to be unable to contact the ball 17. By providing the filter screen 10, impurities in the lubricating oil can be filtered to avoid the situation where fine particles damage the bearing, thereby improving the service life of the bearing. The filter screen 10 is pulled, the filter screen 10 slides on the bearing body 1, and the insert block 12 is pulled out of the mounting block 11. The two magnets 18 are separated from each other, and the filter screen 10 is disassembled. Net 10, clean the impurities adsorbed on the filter screen 10 to prevent the filter screen 10 from being blocked and affecting the filtering effect, causing the bearing to fail to work normally, slide the plug 3, the inner rod 15 slides in the outer rod 14, the spring 20 is shortened, and the plug 3 is slid into the bearing body 1 to open the refueling hole, and lubricating oil is added to the bearing body 1. By setting the guide rod 9 and the plug plate 13 in sliding connection, the plug 3 can be guided and limited, and by setting the slider 8 and the slide groove in sliding connection, the plug 3 can be easily installed. By setting the slider 8 as a T-shaped slider and the T-shaped slide groove to cooperate with each other, the bottom plate 7 can be guided and limited, and by setting the bolt 5, the baffle 2 can be easily installed.

[0039] The above description is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and concepts of the present invention within the scope disclosed by the present invention, which belong to the protection scope of the present invention.

Claims

1. A floating bearing, characterized in that: The invention comprises a bearing body (1) and a baffle (2) mounted on the bearing body (1); an oil storage chamber (6) is provided on the bearing body (1); an inner sleeve (4) is installed inside the bearing body (1); a positioning frame (16) is installed on the bearing body (1); a ball (17) is rotatably mounted on the positioning frame (16); a plugging structure is installed on the bearing body (1); a filter screen (10) is installed on the bearing body (1); a mounting block (11) is installed on the filter screen (10); an insert block (12) is installed on the bearing body (1); and a slot that cooperates with the insert block (12) is provided on the mounting block (11).

2. A floating bearing according to claim 1, characterized in that: The mounting block (11) and the inserting block (12) are both provided with magnets (18) that cooperate with each other.

3. A floating bearing according to claim 1, characterized in that: The plugging structure comprises a base plate (7), a plugging plate (13) and a plug (3); an elastic telescopic rod is mounted on the base plate (7); a plugging plate (13) is mounted on one end of the elastic telescopic rod; the plugging plate (13) is mounted on the plugging plate (13); and a refueling hole that cooperates with the plug (3) is provided on the bearing body (1).

4. A floating bearing according to claim 3, characterized in that: The elastic telescopic rod comprises an outer rod (14), a mounting plate (19), a spring (20) and an inner rod (15); the mounting plate (19) is mounted on the bottom plate (7); the outer rod (14) is mounted on the mounting plate (19); the inner rod (15) is slidably mounted inside the outer rod (14); one end of the inner rod (15) is connected to the bottom of the blocking plate (13); and the inner rod (15) is connected to the outer rod (14) via a spring (20).

5. A floating bearing according to claim 4, characterized in that: Two guide rods (9) are symmetrically mounted on the bottom plate (7), and a sliding hole cooperating with the guide rods (9) is provided on the blocking plate (13).

6. A floating bearing according to claim 5, characterized in that: A sliding block (8) is installed at the bottom of the base plate (7), and a sliding groove cooperating with the sliding block (8) is provided on the bearing body (1).

7. A floating bearing according to claim 6, characterized in that: The slider (8) is a T-shaped slider, and the slide groove is a T-shaped slide groove.

8. The floating bearing according to claim 1, characterized in that: The baffle (2) is connected to the bearing body (1) via bolts (5).

9. A method for manufacturing a floating bearing, characterized in that: The steps include: S1: Install the positioning frame (16) and the ball (17) in the bearing body (1), and install the inner sleeve (4) in the bearing body (1); S2: Slide the slider (8) into the slide groove, install the plug (3) into the bearing body (1), and when the plug (3) moves to the oil filling hole, the outer rod (14), the inner rod (15) and the spring (20) cooperate with each other to insert the plug (3) into the oil filling hole to install the plug (3); S3: Insert the filter (10) into the bearing body (1), insert the insert (12) into the slot, and allow the two magnets (18) to attract each other to install the filter (10), install the baffle (2) on the bearing body (1), and install the baffle (2) with bolts (5) to assemble the bearing.