Self-lubricating bearing
By designing self-lubricating bearings, the automatic addition and cleaning of lubricant solves the problem of cumbersome lubrication operations in traditional bearings, improves equipment operating efficiency and reliability, and reduces maintenance costs.
Patent Information
- Application Number
- CN202520504693.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-21
AI Technical Summary
Traditional bearing lubrication requires manual, periodic application, which is cumbersome, increases maintenance costs and workload, and can easily lead to delayed lubrication, resulting in accelerated ball wear, increased friction, and reduced bearing performance.
Design a self-lubricating bearing comprising a feed pipe, a storage pipe, an electric actuator, and a small fan. The electric actuator automatically adds lubricant, and the fan blows out the old lubricant, achieving automated lubrication and cleaning.
It achieves automatic lubrication of bearings, reduces maintenance costs and downtime, ensures that bearings remain in good condition for a longer period of time, reduces equipment failures, and the cleaning process does not pollute the environment.
Smart Images

Figure CN223795047U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a bearing, specifically a self-lubricating bearing, and belongs to the field of bearing technology. Background Technology
[0002] Bearings are an important component in modern mechanical equipment. Their main function is to support rotating mechanical bodies, reduce the coefficient of friction during their movement, and ensure their rotational accuracy. In many mechanical devices, the normal operation of bearings is crucial to the performance and lifespan of the equipment, and the normal operation of bearings is inseparable from lubrication.
[0003] However, traditional bearing lubrication generally requires manual and periodic addition of lubricant, which requires specialized manpower. The operation is cumbersome, increases maintenance costs and workload, and is also prone to untimely manual addition, which can lead to accelerated wear of the internal balls and increased friction, thus affecting the bearing's performance.
[0004] Therefore, we provide a self-lubricating bearing to solve the above problems. Utility Model Content
[0005] To address the aforementioned problems, this utility model provides a self-lubricating bearing. The specific technical solution is as follows:
[0006] A self-lubricating bearing includes a bearing body with sealing plates on both sides. One side of the sealing plate is connected to an air inlet pipe and multiple feed pipes, while the other side of the sealing plate is connected to a slag discharge pipe. A guide ring is connected to the feed pipe, and a connecting pipe head is connected to the guide ring. A storage pipe is connected to the connecting pipe head, and a push plate is slidably connected inside the storage pipe. An electric push rod is provided on the side of the storage pipe. A small fan is provided at the upper end of the air inlet pipe, and a collection pipe is provided on the side of the slag discharge pipe.
[0007] Preferably, the bearing body includes an outer ring and an inner ring, with balls disposed between the outer ring and the inner ring, and a sealing plate located between the outer ring and the inner ring. The sealing plate is slidably connected to the inner ring, and both the bearing body and the sealing plate are made of high-strength, corrosion-resistant alloys.
[0008] Preferably, the air inlet pipe, feed pipe, and slag discharge pipe are all connected to the gap formed between the outer ring and inner ring of the bearing body, the air inlet pipe is located at the highest end of the sealing plate, and the slag discharge pipe is located at the lowest end of the sealing plate.
[0009] Preferably, the feed pipes are evenly distributed on the side of the sealing plate, the feed pipes are connected to the guide ring, the inner wall of the connecting pipe head is provided with a threaded groove, the side end of the storage pipe is provided with a tapered opening, the outer end of the tapered opening is provided with a threaded groove, and its threaded connection is inside the connecting pipe head.
[0010] Preferably, the storage tube contains a solid lubricant, the outer ring of the push plate is provided with a sealing ring, the sealing ring is slidably connected to the inner wall of the storage tube, and the drive end of the electric push rod is connected to the push plate.
[0011] Preferably, the outer wall of the storage pipe side end is provided with a threaded groove, the outer end of the electric push rod is connected to a connecting ring, the inner wall of the connecting ring is provided with a threaded groove, and it is threadedly connected to the outer end of the storage pipe, the outer end of the slag discharge pipe is provided with a threaded groove, and the inner wall of the collection pipe is provided with a threaded groove, and it is threadedly connected to the outer end of the slag discharge pipe.
[0012] Preferably, the air outlet of the small fan faces the air inlet pipe, and a dust filter screen is provided at the air inlet end. Small electric valves are provided inside the air inlet pipe and the slag discharge pipe, and a control box is provided on the side of the small fan.
[0013] Compared with the prior art, the present invention has the following beneficial effects:
[0014] 1. This self-lubricating bearing, equipped with a feed pipe and a storage pipe, can automatically add lubricant to the bearing, eliminating the need for frequent manual lubrication. This reduces equipment maintenance costs and downtime, and improves the overall operating efficiency of the equipment. Specifically, the control box periodically activates an electric push rod, which pushes a push plate to move within the storage pipe, thereby squeezing the lubricant in the storage pipe. This forces the lubricant through the connecting pipe head into the guide ring, and then through multiple feed pipes into the bearing to lubricate the balls inside. This ensures that the bearing is continuously lubricated for a longer period of time, preventing accelerated wear and increased friction of the bearing balls due to untimely manual lubrication. It keeps the bearing in good working condition and reduces the frequency of equipment failures caused by bearing lubrication problems.
[0015] 2. This self-lubricating bearing is equipped with an air inlet pipe and a slag discharge pipe. Since the lubricating effect of the lubricant decreases after a period of use, it needs to be replaced regularly. Open the small electric valves in the air inlet pipe and the slag discharge pipe, and then start the small fan. It will blow air into the bearing through the air inlet pipe, thereby blowing the solid lubricant out from the slag discharge pipe and collecting it in the collection pipe. This not only makes it easy to clean the lubricant, but also prevents the discharged lubricant from polluting the surrounding environment. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the collection tube structure of this utility model;
[0018] Figure 3 This is a schematic diagram of the internal structure of the present invention;
[0019] Figure 4 This is a schematic diagram of the side end structure of this utility model;
[0020] Figure 5 This is a cross-sectional structural diagram of the present invention.
[0021] Attached Figure Descriptions: 1. Bearing body; 2. Sealing plate; 3. Air inlet pipe; 4. Feed pipe; 5. Slag discharge pipe; 6. Guide ring; 7. Connecting pipe head; 8. Storage pipe; 9. Push plate; 10. Electric push rod; 11. Small fan; 12. Collection pipe; 13. Connecting ring; 14. Control box. Detailed Implementation
[0022] The present invention will now be further described with reference to the accompanying drawings.
[0023] Please see Figure 1 The bearing includes a bearing body 1, with sealing plates 2 on both sides of the bearing body 1. The bearing body 1 includes an outer ring and an inner ring, with balls disposed between the outer ring and the inner ring. The sealing plates 2 are located between the outer ring and the inner ring and are slidably connected to the inner ring. Therefore, the rotation of the inner ring will not cause the sealing plates 2 to rotate. Both the bearing body 1 and the sealing plates 2 are made of high-strength and corrosion-resistant alloys, which ensures the structural strength and service life of the bearing body 1.
[0024] One side of the sealing plate 2 is connected to an air inlet pipe 3 and multiple feed pipes 4, and the other side of the sealing plate 2 is connected to a slag discharge pipe 5. The air inlet pipe 3, feed pipes 4, and slag discharge pipe 5 are all connected to the gap formed between the outer ring and inner ring of the bearing body 1. The air inlet pipe 3 is located at the highest end of the sealing plate 2, and the slag discharge pipe 5 is located at the lowest end of the sealing plate 2. This allows the lubricant to be discharged from the lowest end into the slag discharge pipe 5. The feed pipes 4 are evenly distributed on the side of the sealing plate 2, which facilitates the even addition of lubricant to the balls in the bearing body 1.
[0025] A guide ring 6 is connected to the side end of the feed pipe 4. The feed pipe 4 and the guide ring 6 are connected. The guide ring 6 is used to deliver lubricant to each feed pipe 4. A connecting pipe head 7 is connected to the side end of the guide ring 6. A storage pipe 8 is connected to the side end of the connecting pipe head 7. A threaded groove is opened on the inner wall of the connecting pipe head 7. The side end of the storage pipe 8 is set as a tapered opening. A threaded groove is opened on the outer end of the tapered opening. Its thread is connected to the inside of the connecting pipe head 7, so that the storage pipe 8 can be connected and fixed to the side end of the connecting pipe head 7.
[0026] A push plate 9 is slidably connected inside the storage tube 8. The storage tube 8 stores solid lubricant, such as graphite, which has good solid lubricating properties and can maintain a stable lubrication effect at high temperatures. A sealing ring is provided on the outer ring of the push plate 9, which is slidably connected to the inner wall of the storage tube 8 to increase the sealing between the push plate 9 and the storage tube 8. An electric push rod 10 is provided on the side end of the storage tube 8. The driving end of the electric push rod 10 is connected to the push plate 9. The electric push rod 10 is used to push the push plate 9 to move, thereby squeezing the lubricant in the storage tube 8. A threaded groove is opened on the outer wall of the side end of the storage tube 8. A connecting ring 13 is connected to the outer end of the electric push rod 10. A threaded groove is opened on the inner wall of the connecting ring 13, which is threadedly connected to the outer end of the storage tube 8, so that the electric push rod 10 can be fixedly connected to the side end of the storage tube 8.
[0027] A small fan 11 is installed at the upper end of the air inlet pipe 3. The air outlet of the small fan 11 faces the air inlet pipe 3. A dust filter screen is installed at the air inlet end. The dust filter screen can filter the dust in the air entering the air inlet pipe 3, thereby preventing dust from entering the bearing and affecting it. A small electric valve is installed in the air inlet pipe 3 and the slag discharge pipe 5. A control box 14 is installed on the side of the small fan 11. The electric push rod 10 can be periodically activated to extend forward a certain length, thereby periodically and automatically adding lubricant to the bearing. A collection pipe 12 is installed on the side of the slag discharge pipe 5. The collection pipe 12 is used to collect the lubricant that needs to be cleaned, so as to prevent it from polluting the surrounding environment and equipment. A threaded groove is opened at the outer end of the slag discharge pipe 5, and a threaded groove is opened on the inner wall of the collection pipe 12. The collection pipe 12 is threaded and connected to the outer end of the slag discharge pipe 5, so that the collection pipe 12 can be connected and fixed to the side of the slag discharge pipe 5.
[0028] In this application, the electric actuator 10 is a common electrical device in the prior art. This application will not elaborate on its model or internal structure, and it can also be replaced by other power sources.
[0029] When this utility model is in use: the electric push rod 10 is periodically activated by the control box 14. The electric push rod 10 will push the push plate 9 to move in the storage tube 8, thereby squeezing the solid lubricant in the storage tube 8. In this way, the solid lubricant is squeezed into the guide ring 6 through the connecting pipe head 7, and then enters the bearing through multiple feed pipes 4 to lubricate the balls in the bearing and ensure that the bearing is continuously lubricated for a long time.
[0030] When the lubricant needs to be replaced or cleaned, open the small electric valves in the air inlet pipe 3 and the slag discharge pipe 5, and then start the small blower 11. It will blow air into the bearing through the air inlet pipe 3, thereby blowing the solid lubricant from the slag discharge pipe 5 into the collection pipe 12, thus completing the cleaning.
[0031] The technical principles of this utility model have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this utility model and should not be construed as limiting the scope of protection of this utility model in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this utility model without inventive effort, and these embodiments will all fall within the protection scope of the claims of this utility model.
Claims
1. A self-lubricating bearing comprising a bearing body (1), characterised in that: The both sides of the bearing body (1) are provided with sealing plates (2), the side end of one side sealing plate (2) is connected with air inlet pipe (3), a plurality of feed pipes (4), the side end of the other side sealing plate (2) is connected with slag discharge pipe (5), the side end of the feed pipe (4) is connected with the guide ring (6), the side end of the guide ring (6) is connected with the connecting pipe head (7), the side end of the connecting pipe head (7) is connected with the storage pipe (8), the storage pipe (8) is slidably connected with the push plate (9), the side end of the storage pipe (8) is provided with the electric push rod (10), the upper end of the air inlet pipe (3) is provided with the small fan (11), the side end of the slag discharge pipe (5) is provided with the collecting pipe (12).
2. A self-lubricating bearing according to claim 1, characterized in that: The bearing body (1) includes an outer ring and an inner ring, and the outer ring and the inner ring are provided with balls therebetween, and the sealing plate (2) is located between the outer ring and the inner ring, and the sealing plate (2) is slidably connected with the inner ring, and the bearing body (1) and the sealing plate (2) are made of high-strength and corrosion-resistant alloy.
3. A self-lubricating bearing according to claim 1, wherein: The air inlet pipe (3), the feed pipe (4) and the slag discharge pipe (5) are communicated with the gap formed between the outer ring and the inner ring of the bearing body (1), the air inlet pipe (3) is located at the highest end of the sealing plate (2), and the slag discharge pipe (5) is located at the bottom end of the sealing plate (2).
4. A self-lubricating bearing according to claim 1, wherein: The feed pipes (4) are evenly distributed at the side end of the sealing plate (2), the feed pipe (4) is communicated with the guide ring (6), the inner wall of the connecting pipe head (7) is provided with a threaded groove, and the side end of the storage pipe (8) is provided with a tapered opening, and the outer end of the tapered opening is provided with a threaded groove, which is screwed in the connecting pipe head (7).
5. A self-lubricating bearing according to claim 1, wherein: The storage pipe (8) stores solid lubricant, the outer ring of the push plate (9) is provided with a sealing ring, the sealing ring is slidably connected with the inner wall of the storage pipe (8), and the driving end of the electric push rod (10) is connected with the push plate (9).
6. A self-lubricating bearing according to claim 1, wherein: The outer wall of the side end of the storage pipe (8) is provided with a threaded groove, the outer end of the electric push rod (10) is connected with a connecting ring (13), the inner wall of the connecting ring (13) is provided with a threaded groove, which is screwed in the outer end of the storage pipe (8), the outer end of the slag discharge pipe (5) is provided with a threaded groove, and the inner wall of the collecting pipe (12) is provided with a threaded groove, which is screwed in the outer end of the slag discharge pipe (5).
7. A self-lubricating bearing according to claim 1, wherein: The air outlet end of the small fan (11) faces the air inlet pipe (3), the air inlet end is provided with a dust filter screen cover, the air inlet pipe (3) and the slag discharge pipe (5) are provided with small electric valves, and the side end of the small fan (11) is provided with a control box (14).