MC nylon pulley convenient to stably rotate
By setting ball bearings at both ends of the central shaft of the MC nylon pulley and setting a flow strip in the lubrication cavity, the problem of poor rotation stability of the MC nylon pulley is solved, achieving more stable rotation and longer service life, and providing dust-proof and waterproof protection.
Patent Information
- Application Number
- CN202421409884.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-06-20
AI Technical Summary
The MC nylon pulley has poor stability when rotating and lacks stable support structure and lubrication functions.
A pulley structure including MC nylon pulley, central shaft, ball bearing, lubricating cavity, number one connecting ear plate and number two connecting ear plate were designed. By setting ball bearings at both ends of the central shaft and setting a flow bar in the lubrication cavity, lubrication of the ball bearings is achieved to reduce friction and losses.
It effectively improves the rotation stability of MC nylon pulleys, extends the service life of ball bearings, and provides dust-proof and waterproof protection.
Smart Images

Figure CN222860888U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of elevators, in particular to an MC nylon pulley which is convenient for stable rotation. Background Art
[0002] MC nylon pulley is a kind of pulley and an important mechanical component in elevators. It is usually used to change the direction of force or the magnitude of force applied to an object. MC nylon pulley is a pulley made of MC nylon as the main material. It has the advantages of wear resistance, light weight, and corrosion resistance. It is now widely used in elevators, construction, fitness and other industries.
[0003] At present, there is a lack of a structure to stably support the MC nylon pulley, and there is no function to lubricate the supporting structure, resulting in poor stability of the MC nylon pulley during rotation. Therefore, we propose a MC nylon pulley that is easy to rotate stably. Utility Model Content
[0004] In view of the problems in the prior art, the utility model provides a MC nylon pulley which is easy to rotate stably. The new MC nylon pulley has a structure that enhances its own rotation stability, thereby effectively improving the stability during rotation.
[0005] The technical solution adopted by the utility model to solve the technical problem is a MC nylon pulley that is easy to rotate stably, including a MC nylon pulley, a central shaft, a ball bearing, a lubrication cavity, a first connecting ear plate and a second connecting ear plate, the interior of the MC nylon pulley is embedded with a central shaft, and the two ends of the MC nylon pulley are respectively provided with a first supporting plate and a second supporting plate;
[0006] The interiors of the No. 1 support plate and the No. 2 support plate are both provided with ball bearings through reserved openings, both ends of the central axis are connected to the ball bearings, a lubrication cavity is provided inside the ball bearings, and a guide strip is provided inside the lubrication cavity.
[0007] By adopting the above technical solution, by arranging ball bearings at both ends of the central axis, it is possible to more effectively bear and balance forces from different directions, stably support the MC nylon pulley, and enable the MC nylon pulley to rotate more stably;
[0008] Personnel can inject lubricating oil into the lubrication cavity through the oil filling port, and the lubricating oil can spread through the lubrication cavity to the surface of the ball bearing, thereby lubricating the ball bearing to reduce friction and loss, improve the use effect of the ball bearing, and extend the service life of the ball bearing.
[0009] Specifically, a No. 1 protective cover and a No. 2 protective cover are respectively provided on both sides of the periphery of the MC nylon pulley, a No. 1 connecting ear plate is connected to one side of the No. 1 protective cover, and a No. 2 connecting ear plate is connected to one side of the No. 2 protective cover.
[0010] By adopting the above technical solution, when the MC nylon pulley does not need to be used, the No. 1 protective cover and the No. 2 protective cover can provide dust-proof and waterproof protection for the MC nylon pulley on both sides of the MC nylon pulley.
[0011] Specifically, a fastening bolt is provided on one side of the No. 1 connecting ear plate, and a nut is provided on one side of the No. 2 connecting ear plate.
[0012] Specifically, bolt holes are provided at both ends of the first connecting ear plate and the second connecting ear plate.
[0013] Specifically, a limiting groove is provided on the outer side of the MC nylon pulley, and anti-slip teeth are provided on the inner bottom of the limiting groove.
[0014] By adopting the above technical solution, the limiting groove can limit the transmission components such as ropes or chains, and the transmission components can fit tightly with the anti-slip teeth to play an anti-slip role, ensuring that the transmission components slide steadily and smoothly on the MC nylon pulley.
[0015] Specifically, the tops of the No. 1 support plate and the No. 2 support plate are each provided with an oil filling port, and the oil filling port is communicated with the lubrication cavity.
[0016] Beneficial effects of the utility model:
[0017] (1) The utility model discloses an MC nylon pulley which is easy to rotate stably. A person can inject lubricating oil into the interior of the lubricating cavity through the oil filling port. The lubricating oil can spread through the lubricating cavity to the surface of the ball bearing, thereby lubricating the ball bearing to reduce friction and loss, thereby improving the use effect of the ball bearing and extending the service life of the ball bearing.
[0018] (2) The MC nylon pulley for stable rotation described in the utility model can more effectively withstand and balance forces from different directions by arranging ball bearings at both ends of the central axis, thereby stably supporting the MC nylon pulley and enabling the MC nylon pulley to rotate more stably. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0021] Figure 2 This is an exploded view of the MC nylon pulley of the utility model;
[0022] Figure 3 This is a schematic diagram of the lubrication chamber structure of the utility model;
[0023] Figure 4 This is a schematic diagram of the guide strip structure of the utility model.
[0024] In the figure: 1. MC nylon pulley; 2. Center shaft; 3. Support plate No. 1; 4. Support plate No. 2; 5. Oil filling port; 6. Reserved port; 7. Ball bearing; 8. Lubrication chamber; 9. Limiting groove; 10. Anti-skid teeth; 11. Guide strip; 12. Protective cover No. 1; 13. Protective cover No. 2; 14. Connecting ear plate No. 1; 15. Bolt hole; 16. Fastening bolt; 17. Nut; 18. Connecting ear plate No. 2. DETAILED DESCRIPTION
[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0026] In order to improve the stability during rotation, Figure 1-4 As shown, the utility model discloses a MC nylon pulley for stable rotation, comprising a MC nylon pulley 1, a central shaft 2, a ball bearing 7, a lubrication cavity 8, a first connecting ear plate 14 and a second connecting ear plate 18, wherein the central shaft 2 is embedded in the MC nylon pulley 1, and a first supporting plate 3 and a second supporting plate 4 are respectively disposed at both ends of the MC nylon pulley 1;
[0027] The interiors of the No. 1 support plate 3 and the No. 2 support plate 3 are both provided with ball bearings 7 by opening reserved openings 6, both ends of the central axis 2 are connected to the ball bearings 7, a lubrication cavity 8 is opened inside the ball bearing 7, and a guide strip 11 is arranged inside the lubrication cavity 8.
[0028] When in use, by arranging ball bearings 7 at both ends of the central shaft 2, it is possible to more effectively bear and balance forces from different directions, stably support the MC nylon pulley 1, and enable the MC nylon pulley 1 to rotate more stably;
[0029] Personnel can inject lubricating oil into the lubricating cavity 8 through the oil filling port 5, and the lubricating oil can spread to the surface of the ball bearing 7 through the lubricating cavity 8, thereby lubricating the ball bearing 7 to reduce friction and loss, thereby improving the use effect of the ball bearing 7 and extending the service life of the ball bearing 7.
[0030] For example, Figure 1As shown, a No. 1 protective cover 12 and a No. 2 protective cover 13 are respectively provided on both sides of the periphery of the MC nylon pulley 1, a No. 1 connecting ear plate 14 is connected to one side of the No. 1 protective cover 12, and a No. 2 connecting ear plate 18 is connected to one side of the No. 2 protective cover 13.
[0031] When the MC nylon pulley 1 is not in use, the first protective cover 12 and the second protective cover 13 can provide dustproof and waterproof protection to the MC nylon pulley 1 on both sides of the MC nylon pulley 1 .
[0032] For example, Figure 1 As shown, a fastening bolt 16 is provided on one side of the first connecting ear plate 14 , and a nut 17 is provided on one side of the second connecting ear plate 18 .
[0033] When in use, personnel can use the fastening bolts 16 and nuts 17 to connect the No. 1 protective cover 12 and the No. 2 protective cover 13 through the No. 1 connecting ear plate 14 and the No. 2 connecting ear plate 18 .
[0034] For example, Figure 1 As shown, bolt holes 15 are provided at both ends of the first connecting ear plate 14 and the second connecting ear plate 18 .
[0035] When in use, the bolt hole 15 facilitates the fastening bolt 16 to penetrate the first connecting ear plate 14 and the second connecting ear plate 18 .
[0036] For example, Figure 1 , Figure 2 As shown, a limiting groove 9 is provided on the outer side of the MC nylon pulley 1 , and an anti-slip tooth 10 is provided on the inner bottom of the limiting groove 9 .
[0037] When in use, the limiting groove 9 can limit the transmission components such as ropes or chains, and the transmission components can fit tightly with the anti-skid teeth 10 to play an anti-skid role, ensuring that the transmission components slide steadily and smoothly on the MC nylon pulley 1.
[0038] For example, Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the tops of the first support plate 3 and the second support plate 4 are both provided with oil filling ports 5 , and the oil filling ports 5 are communicated with the lubrication cavity 8 .
[0039] When in use, the lubricating oil can enter the lubricating cavity 8 through the oil filling port 5 , and then the lubricating oil can spread to the surface of the ball bearing 7 through the lubricating cavity 8 .
[0040] When the utility model is in use, personnel respectively embed and set ball bearings 7 inside the No. 1 support plate 3 and the No. 2 support plate 4, and connect the two ends of the central shaft 2 with the ball bearings 7. By setting the ball bearings 7 at the two ends of the central shaft 2, it is possible to more effectively bear and balance the forces from different directions, thereby stably supporting the MC nylon pulley 1, and the MC nylon pulley 1 can rotate more stably;
[0041] Personnel open a lubrication cavity 8 inside the No. 1 support plate 3 and the No. 2 support plate 4, and open an oil filling port 5 on the top of the No. 1 support plate 3 and the No. 2 support plate 4, so that the oil filling port 5 is connected with the lubrication cavity 8, and personnel can inject lubricating oil into the lubrication cavity 8 through the oil filling port 5. The guide strip 11 inside the lubrication cavity 8 can guide the flow of the lubricating oil, which helps the flow of the lubricating oil. The lubricating oil can spread to the surface of the ball bearing 7 through the lubrication cavity 8, and then lubricate the ball bearing 7 to reduce friction and loss, improve the use effect of the ball bearing 7, and extend the service life of the ball bearing 7.
[0042] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.
Claims
1. A MC nylon pulley that is easy to rotate stably, characterized in that: The MC nylon pulley (1) comprises a central shaft (2), a ball bearing (7), a lubrication cavity (8), a first connecting ear plate (14) and a second connecting ear plate (18); the central shaft (2) is embedded in the interior of the MC nylon pulley (1); and a first supporting plate (3) and a second supporting plate (4) are respectively disposed at two ends of the MC nylon pulley (1); The first support plate (3) and the second support plate (3) are both provided with ball bearings (7) through reserved openings (6), both ends of the central shaft (2) are connected to the ball bearings (7), a lubrication cavity (8) is provided inside the ball bearing (7), and a guide strip (11) is provided inside the lubrication cavity (8).
2. The MC nylon pulley for stable rotation according to claim 1, characterized in that: A No. 1 protective cover (12) and a No. 2 protective cover (13) are respectively provided on both sides of the periphery of the MC nylon pulley (1); one side of the No. 1 protective cover (12) is connected to a No. 1 connecting ear plate (14); and one side of the No. 2 protective cover (13) is connected to a No. 2 connecting ear plate (18).
3. The MC nylon pulley for stable rotation according to claim 1, characterized in that: A fastening bolt (16) is provided on one side of the first connecting ear plate (14), and a nut (17) is provided on one side of the second connecting ear plate (18).
4. The MC nylon pulley for stable rotation according to claim 1, characterized in that: Bolt holes (15) are provided at both ends of the first connecting ear plate (14) and the second connecting ear plate (18).
5. The MC nylon pulley for stable rotation according to claim 1, characterized in that: A limiting groove (9) is provided on the outer side of the MC nylon pulley (1), and anti-slip teeth (10) are provided on the inner bottom of the limiting groove (9).
6. The MC nylon pulley for stable rotation according to claim 1, characterized in that: The tops of the first support plate (3) and the second support plate (4) are both provided with oil filling ports (5), and the oil filling ports (5) are connected to the lubrication cavity (8).