Elevator nylon pulley with antiskid structure
By setting anti-slip teeth on the outside of the elevator nylon pulley and setting metal sleeves and end covers in the column sleeve, the problems of rope sliding and bearing displacement in the existing elevator nylon pulley are solved, and a more stable and durable elevator pulley is achieved.
Patent Information
- Application Number
- CN202422058443.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-23
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-08-23
AI Technical Summary
The existing elevator nylon pulleys lack an anti-slip structure, which causes the rope to slide easily on the outside of the nylon pulley, and the bearings to move easily inside the nylon pulley, affecting the stable operation of the elevator.
An elevator nylon pulley with an anti-slip structure is designed. By setting anti-slip teeth on the outside of the nylon pulley, the rope is prevented from sliding in the rope groove; at the same time, the metal sleeve is arranged in the column sleeve, and the end cover is fixed to both sides of the column sleeve by fixing bolts and thread grooves to prevent the bearing from shifting from the column sleeve.
It effectively prevents the sliding of the rope in the rope groove and the displacement of the bearing in the column sleeve, and improves the stability and service life of the elevator nylon pulley.
Smart Images

Figure CN223002557U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of nylon products, in particular to an elevator nylon pulley with an anti-slip structure. Background Art
[0002] Nylon pulleys are common mechanical parts, usually used in conveyor systems or lifting devices. Their low friction coefficient and wear resistance make them widely used in various applications. Elevator nylon pulleys are one of the nylon products. In the elevator mechanical system, the up and down movement of the elevator car is achieved by the elevator drive wheel driving the steel wire rope through friction. The stable operation of the elevator drive wheel is an important factor affecting the operation of the elevator.
[0003] There is no anti-slip structure on the existing elevator nylon pulley. The rope is easy to slide on the outside of the nylon pulley, and the bearing is easy to shift inside the nylon pulley. Therefore, an elevator nylon pulley with an anti-slip structure is proposed. By setting anti-slip teeth, the rope can be prevented from sliding in the rope groove, and the end caps are fixed on both sides of the column sleeve to prevent the bearing from shifting out of the column sleeve. Summary of the Utility Model
[0004] In view of the problems in the prior art, the utility model provides an elevator nylon pulley with an anti-slip structure. By setting anti-slip teeth, the rope can be prevented from sliding in the rope groove, and the end caps are fixed on both sides of the column sleeve to prevent the bearing from shifting out of the column sleeve.
[0005] The technical solution adopted by the utility model to solve its technical problems is an elevator nylon pulley with an anti-slip structure, including a nylon pulley. A column sleeve is arranged inside the nylon pulley. A metal sleeve is sleeved inside the column sleeve. A shaft rod is sleeved inside the metal sleeve. A bearing is sleeved on the outer side of the shaft rod inside the metal sleeve;
[0006] End caps are arranged on both sides of the column sleeve. Rope grooves are equidistantly arranged on the outer side of the nylon pulley. Anti-slip teeth are equidistantly arranged on the outer side of the rope grooves.
[0007] By adopting the above technical solution, the metal sleeve is used to improve the strength of the column sleeve. The end caps are fixed on both sides of the column sleeve to prevent the bearing inside the column sleeve from shifting. The anti-slip teeth can prevent the rope in the rope groove from shifting.
[0008] Specifically, reinforcing ribs are equidistantly arranged on the outer side of the nylon pulley. Reserved holes are equidistantly penetrated through the nylon pulley between the reinforcing ribs.
[0009] Specifically, thread grooves are equidistantly arranged on the outer side of the column sleeve. Fixing bolts are equidistantly sleeved on one side of the end cap.
[0010] Specifically, clamping grooves are equidistantly arranged on the inner side of the column sleeve. Clamping bars are equidistantly welded on the outer side of the metal sleeve. The clamping bars are clamped in the clamping grooves.
[0011] Specifically, both the metal sleeve and the anti-slip teeth are made of stainless steel material.
[0012] Specifically, the end cap is made of fiberglass material.
[0013] Advantages of the utility model:
[0014] (1) For the elevator nylon pulley with an anti-slip structure of the present utility model, anti-slip teeth are equidistantly arranged in the rope groove on the outer side of the nylon pulley, which can prevent the rope from shifting in the rope groove. The metal sleeve is sleeved in the column sleeve, which can improve the strength of the column sleeve. Multiple clamping strips on the outer side of the metal sleeve are clamped in the clamping grooves, which can prevent the metal sleeve from rotating in the column sleeve.
[0015] (2) For the elevator nylon pulley with an anti-slip structure of the present utility model, the end cap is fixed on both sides of the column sleeve through fixing bolts and threaded grooves, and both ends of the shaft rod penetrate through the end cap. The end cap blocks the bearings in the column sleeve, so that the bearings will not shift or fall off in the column sleeve. Description of the drawings
[0016] The present utility model will be further described below in conjunction with the drawings and embodiments.
[0017] Figure 1 is the overall structure schematic diagram of the present utility model;
[0018] Figure 2 is the exploded structure diagram of the present utility model;
[0019] Figure 3 is the structure schematic diagram of the nylon pulley of the present utility model;
[0020] Figure 4 is the cross-sectional view of the nylon pulley of the present utility model;
[0021] In the figure: 1, nylon pulley; 101, reserved hole; 102, rope groove; 103, column sleeve; 104, clamping groove; 105, reinforcing rib; 106, threaded groove; 2, metal sleeve; 3, shaft rod; 4, end cap; 5, clamping strip; 6, bearing; 7, fixing bolt; 8, anti-slip tooth. Specific embodiments
[0022] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0023] By setting the anti-slip teeth, the rope can be prevented from sliding in the rope groove, and the end cap is fixed on both sides of the column sleeve, which can prevent the bearing from shifting out of the column sleeve, as Figures 1-4As shown in the figure, a nylon pulley for an elevator with an anti-slip structure according to the present utility model includes a nylon pulley 1. A column sleeve 103 is arranged inside the nylon pulley 1. A metal sleeve 2 is sleeved inside the column sleeve 103. A shaft rod 3 is sleeved inside the metal sleeve 2. A bearing 6 is sleeved on the outer side of the shaft rod 3 inside the metal sleeve 2;
[0024] End caps 4 are arranged on both sides of the column sleeve 103. Rope grooves 102 are equidistantly formed on the outer side of the nylon pulley 1. Anti-slip teeth 8 are equidistantly arranged on the outer side of the rope grooves 102.
[0025] During use, the metal sleeve 2 is used to improve the strength of the column sleeve 103. The end caps 4 are fixed on both sides of the column sleeve 103, which can prevent the bearing 6 inside the column sleeve 103 from shifting. The anti-slip teeth 8 can prevent the ropes in the rope grooves 102 from shifting.
[0026] Exemplarily, as Figure 3 shown, the present utility model further includes that reinforcing ribs 105 are equidistantly arranged on the outer side of the nylon pulley 1. Reserved holes 101 are equidistantly penetrated through the nylon pulley 1 between the reinforcing ribs 105.
[0027] During use, the reinforcing ribs 105 can improve the strength of the nylon pulley 1. The formation of the reserved holes 101 can reduce the weight of the nylon pulley 1.
[0028] Exemplarily, as Figure 2 、 Figure 3 shown, the present utility model further includes that thread grooves 106 are equidistantly formed on the outer side of the column sleeve 103. Fixing bolts 7 are equidistantly sleeved on one side of the end caps 4.
[0029] During use, the end caps 4 can be fixed on both sides of the column sleeve 103 through the fixing bolts 7 and the thread grooves 106.
[0030] Exemplarily, as Figure 2 、 Figure 3 shown, the present utility model further includes that clamping grooves 104 are equidistantly formed on the inner side of the column sleeve 103. Clamping bars 5 are equidistantly welded on the outer side of the metal sleeve 2. The clamping bars 5 are clamped in the clamping grooves 104.
[0031] During use, the arrangement of the clamping grooves 104 and the clamping bars 5 can prevent the metal sleeve 2 from rotating inside the column sleeve 103.
[0032] Exemplarily, as Figure 2 、 Figure 4 shown, the present utility model further includes that both the metal sleeve 2 and the anti-slip teeth 8 are made of stainless steel material.
[0033] During use, the metal sleeve 2 and the anti-slip teeth 8 made of stainless steel material have high strength and are not easily deformed.
[0034] Exemplarily, as Figure 2 shown, the present utility model further includes that the end cap 4 is made of fiberglass material.
[0035] When in use, the end cap 4 made of fiberglass material has high strength and good wear resistance.
[0036] When the present utility model is in use, anti-slip teeth 8 are equidistantly arranged in the rope groove 102 on the outer side of the nylon pulley 1, which can prevent the rope from shifting in the rope groove 102. The metal sleeve 2 is sleeved in the column sleeve 103, which can improve the strength of the column sleeve 103. A plurality of clamping strips 5 on the outer side of the metal sleeve 2 are clamped in the clamping grooves 104, which can prevent the metal sleeve 2 from rotating in the column sleeve 103. The shaft rod 3 is sleeved in the metal sleeve 2 through the bearing 6;
[0037] The end cap 4 is fixed on both sides of the column sleeve 103 through the fixing bolts 7 and the threaded grooves 106, and both ends of the shaft rod 3 penetrate through the end cap 4. The end cap 4 blocks the bearing 6 in the column sleeve 103, so that the bearing 6 will not shift or fall off in the column sleeve 103;
[0038] The opening of the reserved hole 101 can reduce the weight of the nylon pulley 1 without affecting its structural stability. The reinforcing rib 105 can improve the strength of the nylon pulley 1 and make it not easily deformed.
[0039] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of protection required by the present utility model. The scope of protection required by the present utility model is defined by the appended claims and their equivalents.
Claims
1. An elevator nylon pulley with an anti-slip structure, characterized in that: The invention comprises a nylon pulley (1), wherein a column sleeve (103) is arranged inside the nylon pulley (1), a metal sleeve (2) is sleeved inside the column sleeve (103), a shaft (3) is sleeved inside the metal sleeve (2), and a bearing (6) is sleeved on the outer side of the shaft (3) located inside the metal sleeve (2); End covers (4) are arranged on both sides of the column sleeve (103), rope grooves (102) are equidistantly arranged on the outside of the nylon pulley (1), and anti-slip teeth (8) are equidistantly arranged on the outside of the rope groove (102).
2. The elevator nylon pulley with anti-slip structure according to claim 1, characterized in that: The outer side of the nylon pulley (1) is provided with reinforcing ribs (105) at equal intervals, and the nylon pulley (1) is provided with reserved holes (101) at equal intervals between the reinforcing ribs (105).
3. The elevator nylon pulley with anti-slip structure according to claim 1, characterized in that: The outer side of the column sleeve (103) is provided with thread grooves (106) at equal intervals, and one side of the end cover (4) is provided with fixing bolts (7) at equal intervals.
4. The elevator nylon pulley with anti-slip structure according to claim 1, characterized in that: The inner side of the column sleeve (103) is provided with slots (104) at equal intervals, and the outer side of the metal sleeve (2) is welded with clips (5) at equal intervals, and the clips (5) are clipped into the slots (104).
5. The elevator nylon pulley with anti-slip structure according to claim 1, characterized in that: The metal sleeve (2) and the anti-slip teeth (8) are both made of stainless steel.
6. The elevator nylon pulley with anti-slip structure according to claim 1, characterized in that: The end cover (4) is made of glass fiber reinforced plastic material.