Ball bearing with noise reduction structure

Abstract

The utility model discloses a ball bearing with a noise reduction structure, which comprises a bearing outer ring, the inner side of the inner part of the bearing outer ring is movably connected with a connecting ball, and the inner side of the connecting ball is movably connected with a bearing inner ring; the connecting spring is fixedly arranged on the lower side of the inner side of the bearing inner ring, a movable plate playing a limiting role is fixedly installed on the outer side of the connecting spring, and a fixing structure is movably connected to the outer side of the upper end of the movable plate; and the epoxy resin plate is movably installed on the right side of the bearing outer ring, the outer side of the bearing outer ring is movably connected with a limiting structure, the fixing structure comprises a polyester fiber sound insulation cotton plate movably installed on the inner side of the lower end of the bearing outer ring, and a linkage movable plate playing a guiding role is fixedly installed on the inner side of the polyester fiber sound insulation cotton plate. According to the ball bearing with the noise reduction structure, noise reduction can be conveniently carried out on the ball bearing, corrosion prevention can be conveniently carried out on the ball bearing, and the noise reduction effect on the ball bearing is good.

Description

Technical Field

[0001] This utility model relates to the field of ball bearing technology, specifically a ball bearing with a noise reduction structure. Background Technology

[0002] A ball bearing is a structure designed to reduce friction, primarily composed of balls, an inner ring, an outer ring, and a cage. The balls are positioned between the inner and outer steel rings and can withstand significant loads, typically used to reduce rotational friction between two objects. The design of ball bearings allows them to generate low friction and temperature even at high speeds, making them widely used in various machines and equipment, such as:

[0003] Chinese Patent Publication No. CN217842374U discloses a silent double-row ball bearing, including an outer ring body and an inner ring body. The inner ring body is set inside the outer ring body. Dust covers are fixedly connected to the outer sides of two tensioning brackets. The dust covers are located on the outer side of the outer ring body. Noise-reducing cotton is fixed inside the noise reduction cavity. The present invention has tensioning brackets set in the middle of the outer ring body and the inner ring body. The tensioning brackets and the limiting frame limit the two sets of parallel balls. The dust covers are set on the outer side of the tensioning brackets. The dust covers have an inner arc-shaped structure design. The inner arc-shaped guide groove is set inside. When external impurities collide with the dust covers, the inner arc-shaped guide groove can guide the trajectory of the particles, change the direction of the impurities, and allow the impurities to be discharged and not enter the bearing. In addition, multiple noise-reducing cotton areas are set on the inner side of the dust covers by pressure caps. This can effectively reduce the noise generated by the double-row ball bearing, thereby making the double-row ball bearing quieter when it moves.

[0004] Based on existing solutions and actual production and processing, current ball bearings still have some problems, such as:

[0005] When reducing noise in roller bearings, multiple noise-reducing cotton materials are placed on the inner side. However, because the noise-reducing cotton itself is not effective, the noise reduction effect of the ball bearing is not good.

[0006] The aforementioned ball bearing uses an outer ring to prevent corrosion, which reduces the service life of the ball bearing. Therefore, this utility model provides a ball bearing with a noise reduction structure to solve the above-mentioned problems. Utility Model Content

[0007] The purpose of this invention is to provide a ball bearing with a noise reduction structure to solve the problems mentioned in the background art, such as poor noise reduction effect and inconvenient corrosion prevention of ball bearings.

[0008] To achieve the above objectives, the present invention provides the following technical solution: a ball bearing with a noise reduction structure, comprising an outer ring of the bearing, wherein connecting balls are movably connected to the inner side of the outer ring, and an inner ring of the bearing is movably connected to the inner side of the connecting balls.

[0009] Also includes:

[0010] A connecting spring is fixedly installed on the lower inner side of the inner ring of the bearing, and a movable plate that serves as a limit is fixedly installed on the outer side of the connecting spring. A fixed structure is movably connected to the outer upper end of the movable plate.

[0011] An epoxy resin plate is movably mounted on the right side of the bearing outer ring, and a limit structure is movably connected to the outer side of the bearing outer ring.

[0012] Preferably, a polychlorotrifluoroethylene plate is connected to the outer left end of the bearing outer ring, and a mounting block is fixedly connected to the outer right end of the polychlorotrifluoroethylene plate, and a limit rod is movably connected to the outer right end of the mounting block.

[0013] Preferably, the fixing structure includes a polyester fiber sound insulation cotton board movably installed on the inner side of the lower end of the outer ring of the bearing, and a connecting movable plate that plays a guiding role is fixedly installed on the inner side of the polyester fiber sound insulation cotton board, and a limiting plate is movably connected to the outer side of the lower end of the polyester fiber sound insulation cotton board, and a fixing rod is movably connected to the outer side of the limiting plate.

[0014] Preferably, the limiting plate and the polyester fiber sound insulation cotton board are connected by a snap-fit ​​connection, and the limiting plate and the fixing rod are connected by a thread to fix the polyester fiber sound insulation cotton board.

[0015] Preferably, the connecting movable plate and the bearing inner ring are interlocked, the connecting movable plate and the moving plate are connected by a fitting method, and the moving plate and the bearing inner ring are telescopically sliding.

[0016] Preferably, the limiting structure includes a fixing block installed on the outer side of the upper end of the bearing outer ring, and a mounting rod that serves as a limiter is connected to the middle of the fixing block. A polyurethane foam board is fixedly installed on the fixing block, and a lubricating oil inlet hole is opened in the middle of the polyurethane foam board, with a sealing plug movably connected to the middle of the lubricating oil inlet hole.

[0017] Preferably, the fixing block and the outer ring of the bearing are fitted together, and the vertical cross-section of the fixing block is an "L" shaped structure.

[0018] Preferably, the mounting block and the limiting rod are connected by a thread, the cross-sectional shape of the mounting block is an "L" shape, and the mounting block and the polychlorotrifluoroethylene plate are fixedly connected by welding.

[0019] Compared with the prior art, the beneficial effects of this utility model are: the ball bearing with noise reduction structure is convenient for noise reduction and corrosion prevention of the ball bearing, and has a good noise reduction effect on the ball bearing.

[0020] By placing the polyester fiber sound insulation board on the lower side of the bearing outer ring, the polyester fiber sound insulation board drives the connecting movable plate to slide inward, thereby causing the movable plate to compress the connecting spring. This causes the polyester fiber sound insulation board to engage with the connecting movable plate on the lower side of the bearing inner ring. The connecting spring then moves the movable plate to the lower side of the connecting movable plate, and the limiting plate is then engaged with the lower side of the polyester fiber sound insulation board, making the polyester fiber sound insulation board engage with the lower end of the bearing outer ring. Rotating the fixing rod causes it to be threaded on the outside of the limiting plate, thus making the fixing rod threaded on the lower side of the bearing outer ring. Finally, the polyurethane foam plastic board set on the upper side of the inner side of the bearing outer ring facilitates noise reduction of the bearing outer ring, connecting balls, and bearing inner ring.

[0021] By pulling the sealing plug, the sealing plug is separated inside the lubricating oil inlet hole, so that lubricating oil is poured into the space between the outer ring and the inner ring of the bearing through the lubricating oil inlet hole, reducing the friction between the outer ring, connecting balls and the inner ring of the bearing, thus ensuring a good noise reduction effect on the outer ring, connecting balls and the inner ring of the bearing.

[0022] By placing the polychlorotrifluoroethylene (PTFE) plate on the left side of the bearing outer ring and the epoxy resin plate on the right side of the bearing outer ring, the epoxy resin plate is installed on the inner right end of the mounting block. By rotating the limiting rod, the limiting rod is threaded on the outer right end of the mounting block, thereby making the limiting rod threaded on the outer left end of the epoxy resin plate. This facilitates the assembly between the PTFE plate and the epoxy resin plate, thus facilitating corrosion protection of the bearing outer ring. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall cross-sectional structure of the connection between the bearing outer ring and the connecting balls of this utility model;

[0024] Figure 2 This utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0025] Figure 3 This utility model Figure 1 Enlarged structural diagram at point B;

[0026] Figure 4 This utility model Figure 1 Enlarged structural diagram at point C;

[0027] Figure 5This is a schematic diagram of the overall cross-sectional structure of the connection between the ball bearing and the inner ring of the bearing according to this utility model;

[0028] Figure 6 This utility model Figure 5 Enlarged structural diagram at point D.

[0029] In the diagram: 1. Bearing outer ring; 2. Connecting ball; 3. Bearing inner ring; 4. Polyester fiber sound insulation board; 5. Polyurethane foam board; 6. Polychlorotrifluoroethylene board; 7. Epoxy resin board; 8. Limiting plate; 9. Fixing rod; 10. Connecting spring; 11. Moving plate; 12. Connecting movable plate; 13. Lubricating oil inlet hole; 14. Sealing plug; 15. Fixing block; 16. Mounting rod; 17. Mounting block; 18. Limiting rod. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Please see Figure 1-6 This utility model provides a technical solution: a ball bearing with a noise reduction structure, comprising: an outer bearing ring 1, connecting balls 2, an inner bearing ring 3, a polyester fiber sound insulation board 4, a polyurethane foam board 5, a polychlorotrifluoroethylene board 6, an epoxy resin board 7, a limiting plate 8, a fixing rod 9, a connecting spring 10, a moving plate 11, a connecting movable plate 12, a lubricating oil inlet hole 13, a sealing plug 14, a fixing block 15, a mounting rod 16, a mounting block 17, and a limiting rod 18. In operation, the specific details are as follows... Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, a limiting plate 8 is movably connected to the lower side of the inner side of the bearing outer ring 1. The lower outer side of the limiting plate 8 is movably connected to another limiting plate 8. The polyester fiber sound insulation cotton plate 4 is manually placed under the bearing outer ring 1 and the bearing inner ring 3. This causes the connecting movable plate 12 to be installed on the lower outer side of the bearing inner ring 3 under the action of the polyester fiber sound insulation cotton plate 4. The moving plate 11 then moves inward from the lower side of the bearing inner ring 3 under the action of the moving plate 12. This movement of the moving plate 11 compresses the connecting spring 10, causing the polyester fiber sound insulation cotton plate 4 to move upward and engage with the connecting movable plate 12 on the lower side of the bearing inner ring 3. This eliminates the thrust of the connecting movable plate 12 on the moving plate 11, thus allowing the connecting plate to move. The connecting spring 10 extends and retracts under the action of the disappearance of the thrust, and then the elastic action of the connecting spring 10 drives the moving plate 11 to fit against the lower side of the connecting movable plate 12. Then, the limiting plate 8 is manually placed on the lower outer side of the polyester fiber sound insulation cotton plate 4, so that the limiting plate 8 is engaged and installed on the lower outer side of the polyester fiber sound insulation cotton plate 4 under manual action. Then, the fixing rod 9 is tightened with a tool, so that the fixing rod 9 is threaded on the outer side of the limiting plate 8 under the action of the tool tightening. Thus, the fixing rod 9 moves upward under the action of the thread between the limiting plate 8 and the fixing rod 9, and then the fixing rod 9 is threaded on the lower side of the bearing outer ring 1 under the action of the upward movement of the fixing rod 9, which facilitates the limiting of the polyester fiber sound insulation cotton plate 4.

[0032] Specific examples Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, a polyurethane foam board 5 is installed on the upper side of the inner side of the bearing outer ring 1, and a fixing block 15 is fixedly connected to the outer side of the upper end of the polyurethane foam board 5. The polyurethane foam board 5 is manually placed on the upper side of the bearing outer ring 1 and the bearing inner ring 3, so that the polyurethane foam board 5 is attached to the upper side of the bearing outer ring 1 and the bearing inner ring 3. As the polyurethane foam board 5 moves downward, the fixing block 15 is attached to the outer side of the upper end of the bearing outer ring 1. The mounting rod 16 is tightened with a tool, so that the mounting rod 16 is threaded to the outer side of the middle part of the fixing block 15 under the tightening action of the tool. As a result, the mounting rod 16 moves downward under the thread action of the fixing block 15 and the mounting rod 16. The mounting rod 16 moves downward under the action of the downward movement of the mounting rod 16. 16. A threaded connection is made on the upper outer side of the bearing outer ring 1, so that the mounting rod 16 limits the polyurethane foam board 5. The sealing plug 14 is manually pulled, so that the sealing plug 14 separates inside the lubricating oil inlet hole 13 under the action of the pulling force, so that the lubricating oil is poured into the bearing outer ring 1 and the bearing inner ring 3 through the lubricating oil inlet hole 13. Then, the sealing plug 14 is placed on the upper left side of the polyurethane foam board 5, so that the sealing plug 14 is engaged inside the lubricating oil inlet hole 13, thereby reducing the friction between the bearing outer ring 1, the connecting ball 2 and the bearing inner ring 3, thus playing a role in noise reduction. The polyester fiber sound insulation cotton board 4 and the polyurethane foam board 5 respectively set on the inner side of the bearing outer ring 1 are also conducive to noise reduction.

[0033] Specific examples Figure 1 , Figure 5 and Figure 6 As shown, a polytetrafluoroethylene (PTFE) plate 6 is connected to the outer left end of the bearing outer ring 1, and a mounting block 17 is fixedly connected to the outer right end of the PTFE plate 6. A limiting rod 18 is movably connected to the outer right end of the mounting block 17. The PTFE plate 6 is manually placed on the outer left end of the bearing outer ring 1, causing the mounting block 17 to be installed on the outer middle part of the bearing outer ring 1. Then, an epoxy resin plate 7 is placed on the outer right end of the bearing outer ring 1, causing the left end of the epoxy resin plate 7 to move to the inner side of the mounting block 17. Tighten the limiting rod 18 installed on the right side of the mounting block 17 with a tool, so that the limiting rod 18 is threaded on the right side of the mounting block 17 under the tightening action of the tool. Thus, under the thread action between the mounting block 17 and the limiting rod 18, the limiting rod 18 moves inward. Then, under the movement of the limiting rod 18, the limiting rod 18 is threaded on the outer side of the left end of the epoxy resin plate 7, which facilitates the assembly between the polychlorotrifluoroethylene plate 6 and the epoxy resin plate 7, thereby facilitating the corrosion protection of the outer ring 1 of the bearing and limiting the mounting rod 16.

[0034] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0035] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A ball bearing provided with a noise reduction structure, comprising a bearing outer ring (1), the inner side of which is movably connected with connecting balls (2), and the inner side of the connecting balls (2) is movably connected with a bearing inner ring (3); characterized in that Further comprising: a connecting spring (10) is fixedly arranged at the inner side of the lower side of the bearing inner ring (3), and the outer side of the connecting spring (10) is fixedly installed with a moving plate (11) which plays a limiting role, and the outer side of the upper end of the moving plate (11) is movably connected with a fixed structure; an epoxy resin plate (7) is movably installed at the right side of the bearing outer ring (1), and the outer side of the bearing outer ring (1) is movably connected with a limiting structure.

2. The ball bearing with a noise reduction structure according to claim 1, characterized in that: The left end of the outer side of the bearing outer ring (1) is also connected with a polytrifluorochloroethylene plate (6), and the right end of the outer side of the polytrifluorochloroethylene plate (6) is fixedly connected with a mounting block (17), and the right end of the outer side of the mounting block (17) is movably connected with a limiting rod (18).

3. A ball bearing provided with a noise reduction structure according to claim 2, characterized in that: The fixed structure comprises a polyester fiber sound insulation cotton plate (4) movably installed at the inner side of the lower end of the bearing outer ring (1), and the inner side of the polyester fiber sound insulation cotton plate (4) is fixedly installed with a guide connecting plate (12) which plays a guiding role, and the outer side of the lower end of the polyester fiber sound insulation cotton plate (4) is movably connected with a limiting plate (8), and the outer side of the limiting plate (8) is movably connected with a fixed rod (9).

4. The ball bearing with a noise reduction structure according to claim 3, characterized in that: The limiting plate (8) and the polyester fiber sound insulation cotton plate (4) are connected by clamping, and the limiting plate (8) and the fixed rod (9) are connected by screwing and play a fixing role on the polyester fiber sound insulation cotton plate (4).

5. The ball bearing with a noise reduction structure according to claim 3, characterized in that: The connecting plate (12) and the bearing inner ring (3) are connected by clamping, and the connecting plate (12) and the moving plate (11) are connected by fitting, and the moving plate (11) and the bearing inner ring (3) are connected by telescopic sliding.

6. A ball bearing provided with a noise reduction structure according to claim 5, characterized in that: The limiting structure comprises a fixed block (15) installed on the outer side of the upper end of the bearing outer ring (1), and the middle part of the fixed block (15) is connected with a mounting rod (16) which plays a limiting role, and the fixed block (15) is fixedly installed with a polyurethane foam plastic plate (5), and the middle part of the polyurethane foam plastic plate (5) is provided with a lubricating oil inlet hole (13), and the middle part of the lubricating oil inlet hole (13) is movably connected with a sealing plug (14).

7. A ball bearing provided with a noise reduction structure according to claim 6, characterized in that: The fixed block (15) and the bearing outer ring (1) are connected by fitting, and the vertical cross section of the fixed block (15) is in the shape of an "L" structure.

8. The ball bearing with a noise reduction structure according to claim 2, characterized in that: The mounting block (17) and the limiting rod (18) are connected by screwing, the cross section of the mounting block (17) is in the shape of an "L" structure, and the mounting block (17) and the polytrifluorochloroethylene plate (6) are fixedly connected by welding.

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