A low-friction sliding door hanging rail pulley
By adopting specific chutes and roller structures in the sliding door crane rail pulley, the problem of high friction in the traditional pulley is solved, and the smooth sliding of the moving door and a quiet and comfortable use environment are achieved.
Patent Information
- Application Number
- CN202421056679.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-05-15
AI Technical Summary
The traditional sliding door hanging rail pulley has a problem of high friction, which causes the sliding of the mobile door to be unsmooth, requiring greater force to push and pull, which increases the inconvenience of use, and generates greater noise during operation, affecting the user's comfort and the quietness of the environment.
The first chute, the second chute and the two third chutes are adopted, as well as components such as sliding plates, rollers, rotary shafts and sliding connection plates. Through these designs, the sliding of the mobile doors is smoother, reducing friction and energy losses, while increasing stability and safety.
It achieves smoother sliding of the mobile door, reduces friction and energy loss, increases stability and safety, and effectively reduces noise during operation, providing a quieter and more comfortable use environment.
Smart Images

Figure CN222701768U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of furniture accessories, in particular to a low-friction sliding door hanging rail pulley. Background Art
[0002] Sliding door rail pulleys generally refer to the technology of the pulley system used to hang sliding door rails. The development of this technology aims to improve the ease of use, durability and aesthetics of sliding door rails. Pulleys are usually made of wear-resistant materials such as plastic, nylon or metal. By using high-quality bearings, friction can be reduced and the smoothness and durability of the pulley can be improved.
[0003] Since traditional sliding door hanging rail pulleys may have the problem of high friction, the sliding door may not slide smoothly and a large force is required to push and pull the sliding door, which increases the inconvenience of use. The high friction may cause a large noise during operation, affecting the user's comfort and the quietness of the environment. Therefore, technical personnel in this field provide a low-friction sliding door hanging rail pulley to solve the problems raised in the above background technology. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a low-friction sliding door hanging rail pulley is proposed. By adopting a first slide groove, a second slide groove and two third slide grooves, as well as components such as a sliding plate, a roller, a rotating shaft and a sliding connecting plate, these designs make the sliding of the sliding door smoother, reduce friction and energy loss, and increase stability and safety. Through the protective layer, the protective sound insulation layer and the protective pad, the existence of these structures can not only protect the sliding door and the surrounding environment, but also effectively reduce the noise generated during operation, and provide a quieter and more comfortable use environment. By using rubber material for the protective pad, the collision and friction between the sliding door and the frame are effectively reduced, and the noise and vibration during use are reduced. At the same time, the roller and the third slide groove are adapted to each other to reduce friction and jamming, thereby improving the sliding efficiency and stability of the sliding door.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-friction sliding door hanging rail pulley, comprising a frame, a protective structure is provided on the outer side wall of the frame, a hoisting sliding structure is provided at the center of the lower end surface of the frame, a plurality of telescopic connecting rods are arranged horizontally at one side of the center of the lower end surface of the hoisting sliding structure, a plurality of mounting plates are provided on the lower end surfaces of the plurality of mounting plates, a sliding block is provided at the center of the lower end surface of the plurality of mounting plates, a moving door is provided at the center of the lower end surface of the sliding block, two rotating blocks are arranged front and back at the upper ends of the two side walls of the moving door, and a limit block is provided at one side of the center of the outer side walls of the four rotating blocks;
[0006] Through the above technical scheme, by adopting the first slide groove, the second slide groove and two third slide grooves, as well as components such as sliding plates, rollers, rotating shafts and sliding connecting plates, these designs make the sliding of the moving door smoother, reduce friction and energy loss, and increase stability and safety. Through the protective layer, protective sound insulation layer and protective pad, the existence of these structures can not only protect the moving door and the surrounding environment, but also effectively reduce the noise generated during operation, providing a quieter and more comfortable use environment. By using rubber material for the protective pad, the collision and friction between the moving door and the frame are effectively reduced, and the noise and vibration during use are reduced. At the same time, the roller and the third slide groove are adapted to each other to reduce friction and jamming, thereby improving the sliding efficiency and stability of the moving door.
[0007] Furthermore, the protective structure includes a protective layer, a protective sound insulation layer and two protective pads, the protective sound insulation layer is sleeved on the outer wall of the frame, the protective sound insulation layer is sleeved on the outer wall of the protective layer, and the two protective pads are respectively arranged at the centers of the two inner walls of the frame;
[0008] Through the above technical solution, the protective sound insulation layer has a certain sound insulation function, which can effectively reduce the noise generated by the sliding door during the opening and closing process. This is especially important for places that need to operate in a quiet environment, such as libraries, offices, etc., and can provide a quieter and more comfortable use environment. The protective pad effectively prevents the sliding or deviation of the sliding door due to friction during the opening and closing process, increases the stability and safety of use, and reduces the risk of damage to it.
[0009] Further, the hoisting sliding structure includes a first slide slot, a second slide slot, two third slide slots, three sliding plates, a plurality of rotating shafts, a plurality of rollers and three sliding connecting plates, the first slide slot is arranged at the center of the lower end surface of the frame, the second slide slot is arranged at the center of the upper end surface of the first slide slot and the center of the upper inner wall of the frame, the two third slide slots are respectively arranged at the center of the front end surface and the center of the rear end surface of the first slide slot, the center of the front inner wall of the frame and the center of the rear inner wall of the frame, the three sliding plates are respectively arranged transversely at one side of the inner center of the first slide slot, the plurality of rollers are respectively arranged transversely at one side of the inner center of the two third slide slots, the plurality of rotating shafts are respectively arranged at the centers of the rear end surfaces of the plurality of rollers at the front, one end portion of the plurality of rotating shafts respectively passes through the front end surface of the sliding plate in sequence to the rear end surface of the sliding plate, and the ends are respectively fixedly connected to the centers of the front end surfaces of the plurality of rollers at the rear, and the three sliding connecting plates are respectively arranged transversely at the centers of the upper end surfaces of the three sliding plates;
[0010] Through the above technical scheme, through the setting of the first slide groove, the second slide groove and the two third slide grooves, a stable movement track is provided for the sliding plate and the roller. The three sliding plates support the moving door to ensure the stability and balance of the moving door. The multiple rollers cooperate with the rotating shaft to effectively reduce the friction during sliding, making the opening and closing of the moving door 7 easier and smoother. The three sliding connecting plates connect the moving door and the sliding plate, so that the moving door can move stably in the roller structure, effectively reducing the friction between the moving door and the frame during movement, so that the moving door can slide smoothly when opening and closing, reducing energy loss and operating force, improving smoothness, and can effectively reduce the friction noise generated during operation. Increasing stability and guidance also helps to reduce the noise level and improve the comfort of use.
[0011] Furthermore, the three sliding connection plates are all slidably connected at the inner center of the second slide groove;
[0012] Through the above technical solution, the swing and shaking of the sliding door are effectively reduced, the stability and safety of use are improved, and the service life of the sliding door and the track is also extended.
[0013] Further, the plurality of rollers are respectively slidably connected to the inner centers of the two third slide grooves;
[0014] Through the above technical solution, the friction of the sliding door during the sliding process is reduced, the sliding of the sliding door is made smoother, the noise and resistance during use are reduced, and the overall use efficiency is improved.
[0015] Furthermore, the plurality of rollers are respectively adapted to the two third slide grooves;
[0016] Through the above technical solution, the friction and blocking between the roller and the third slide groove are reduced, the sliding efficiency and stability of the sliding door are improved, and the service life of the roller and the slide groove is extended.
[0017] Further, the three sliding plates are all slidably connected at the inner center of the first sliding groove;
[0018] Through the above technical solution, the supporting area of the moving door is increased, the weight on the track is dispersed, the wear and deformation of the track is reduced, and the overall service life is increased.
[0019] Furthermore, the two protective pads are made of rubber;
[0020] Through the above technical solution, the damage caused by collision and friction between the sliding door and the frame is effectively reduced, the integrity of the sliding door and the frame is protected, and at the same time, the noise and vibration during use are reduced, thereby improving the user experience and environmental comfort.
[0021] The utility model has the following beneficial effects:
[0022] 1. In the utility model, the low-friction sliding door hanging rail pulley adopts a first slide groove, a second slide groove and two third slide grooves, as well as components such as a sliding plate, a roller, a rotating shaft and a sliding connecting plate. These designs make the sliding of the sliding door smoother, reduce friction and energy loss, and increase stability and safety.
[0023] 2. In the present invention, the protective layer, the protective sound insulation layer and the protective pad can not only protect the movable door and the surrounding environment, but also effectively reduce the noise generated during operation, providing a quieter and more comfortable use environment.
[0024] 3. In the utility model, the protective pad is made of rubber material, which effectively reduces the collision and friction between the moving door and the frame, reduces the noise and vibration during use, and at the same time, the roller and the third slide groove are adapted to each other, reduces friction and jamming, and improves the sliding efficiency and stability of the moving door. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 A three-dimensional diagram of a low-friction sliding door hanging rail pulley proposed by the utility model;
[0026] Figure 2 This is a three-dimensional cross-sectional view of a low-friction sliding door hanging rail pulley proposed by the utility model;
[0027] Figure 3 This is a front cross-sectional view of a low-friction sliding door hanging rail pulley proposed by the utility model;
[0028] Figure 4 This is a side sectional view of a low-friction sliding door hanging rail pulley proposed by the utility model;
[0029] Figure 5 This is a three-dimensional diagram of a low-friction sliding door hanging rail pulley hoisting sliding structure proposed by the utility model.
[0030] Legend:
[0031] 1. Frame; 2. Protection structure; 201. Protection layer; 202. Protection sound insulation layer; 203. Protection pad; 3. Lifting sliding structure; 301. First slide slot; 302. Second slide slot; 303. Third slide slot; 304. Sliding plate; 305. Rotating shaft; 306. Roller; 307. Sliding connecting plate; 4. Telescopic connecting rod; 5. Mounting plate; 6. Sliding block; 7. Moving door; 8. Rotating block; 9. Limiting block. DETAILED DESCRIPTION
[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0033] Reference Figure 1-5 The utility model provides an embodiment: a low-friction sliding door hanging rail pulley, including a frame 1, a protective structure 2 is provided on the outer wall of the frame 1, a lifting sliding structure 3 is provided at the center of the lower end surface of the frame 1, a plurality of telescopic connecting rods 4 are arranged horizontally at one side of the center of the lower end surface of the lifting sliding structure 3, a plurality of telescopic connecting rods 4 are provided at the lower end surfaces of the plurality of mounting plates 5, a sliding block 6 is provided at the center of the lower end surface of the plurality of mounting plates 5, a moving door 7 is provided at the center of the lower end surface of the sliding block 6, two rotating blocks 8 are arranged front and back at the upper ends of the two side walls of the moving door 7, and a limit block 9 is provided at the center of the outer wall of the four rotating blocks 8. When the user needs to open or close the moving door 7, they can apply force on the moving door 7, and the lifting sliding structure 3 drives the moving door 7 to move, thereby moving the moving door 7. The existence of the protective structure 2 can protect the moving door 7 and the surrounding environment, while reducing noise.
[0034] The protective structure 2 includes a protective layer 201, a protective sound insulation layer 202 and two protective pads 203. The protective sound insulation layer 202 is sleeved on the outer wall of the frame 1, and the protective sound insulation layer 202 is sleeved on the outer wall of the protective layer 201. The two protective pads 203 are respectively arranged at the centers of the two inner walls of the frame 1. The protective sound insulation layer 202 has a certain sound insulation function, which can effectively reduce the noise generated by the moving door 7 during the opening and closing process. This is especially important for places that need to operate in a quiet environment, such as libraries, offices, etc., and can provide a quieter and more comfortable use environment. The protective pad 203 effectively prevents the sliding or displacement of the moving door 7 due to friction during the opening and closing process, increases the stability and safety of use, and reduces the risk of damage to it. The two protective pads 203 are made of rubber, which effectively reduces the damage caused by the collision and friction between the moving door 7 and the frame 1, protects the integrity of the moving door 7 and the frame 1, and at the same time reduces the noise and vibration during use, thereby improving the use experience and environmental comfort.
[0035] The hoisting sliding structure 3 includes a first slide groove 301, a second slide groove 302, two third slide grooves 303, three sliding plates 304, a plurality of rotating shafts 305, a plurality of rollers 306 and three sliding connecting plates 307. The first slide groove 301 is arranged at the center of the lower end surface of the frame 1, the second slide groove 302 is arranged at the center of the upper end surface of the first slide groove 301 and the center of the upper inner wall of the frame 1, and the two third slide grooves 303 are respectively arranged at the center of the front end surface and the center of the rear end surface of the first slide groove 301, the center of the front inner wall of the frame 1 and the center of the rear inner wall of the frame 1. The three sliding plates 304 are respectively arranged at the center of the front end surface and the center of the rear end surface of the first slide groove 301, the center of the front inner wall of the frame 1 and the center of the rear inner wall of the frame 1. The plurality of rollers 306 are respectively arranged horizontally at one side of the inner center of the first slide groove 301, the plurality of rotating shafts 305 are respectively arranged horizontally at one side of the inner center of the two third slide grooves 303, the plurality of rotating shafts 305 are respectively arranged at the center of the rear end surfaces of the plurality of rollers 306 at the front, one end portions of the plurality of rotating shafts 305 respectively penetrate the front end surface of the sliding plate 304 in sequence to the rear end surface of the sliding plate 304, and the end portions are respectively fixedly connected to the center of the front end surfaces of the plurality of rollers 306 at the rear, and the three sliding connecting plates 307 are respectively arranged horizontally at the center of the upper end surfaces of the three sliding plates 304.
[0036] By setting the first slide groove 301, the second slide groove 302 and the two third slide grooves 303, a stable movement track is provided for the sliding plate 304 and the roller 306. The three sliding plates 304 support the movable door 7 to ensure the stability and balance of the movable door 7. The multiple rollers 306 cooperate with the rotating shaft 305 to effectively reduce the friction during sliding, making the opening and closing of the movable door 7 easier and smoother. The three sliding connecting plates 307 connect the movable door 7 and the sliding plate 304, so that the movable door 7 can move stably in the roller 306 structure, effectively reducing the friction between the movable door 7 and the frame 1 during movement, so that the movable door 7 can slide smoothly when opening and closing, reducing energy loss and operating force, improving smoothness, and effectively reducing the friction noise generated during operation. Increasing stability and guidance also helps to reduce noise levels and improve comfort in use.
[0037] The three sliding connecting plates 307 are all slidably connected at the inner center of the second slide groove 302, which effectively reduces the swinging and shaking of the sliding door 7, improves the stability and safety of use, and also prolongs the service life of the sliding door 7 and the track. The multiple rollers 306 are respectively slidably connected at the inner centers of the two third slide grooves 303, reducing the friction of the sliding door 7 during the sliding process, making the sliding of the sliding door 7 smoother, reducing the noise and resistance during use, and improving the overall use efficiency. The multiple rollers 306 are respectively adapted to the two third slide grooves 303, reducing the friction and blocking between the rollers 306 and the third slide grooves 303, improving the sliding efficiency and stability of the sliding door 7, and prolonging the service life of the rollers 306 and the third slide grooves 303. The three sliding plates 304 are all slidably connected at the inner center of the first slide groove 301, increasing the supporting area of the sliding door 7, dispersing the weight on the track, reducing the wear and deformation of the track, and prolonging the overall service life.
[0038] Working principle: when users need to open or close the sliding door 7, they can exert force on the sliding door 7. Through the setting of the first slide groove 301, the second slide groove 302 and the two third slide grooves 303, a stable movement track is provided for the sliding plate 304 and the roller 306. The three sliding plates 304 support the sliding door 7 to ensure the stability and balance of the sliding door 7. The multiple rollers 306 cooperate with the rotating shaft 305 to effectively reduce the friction during sliding, making the opening and closing of the sliding door 7 easier and smoother. The three sliding connecting plates 307 connect the sliding door 7 and the sliding plate 304, so that the sliding door 7 can move stably in the roller 306 structure, effectively reducing the friction between the sliding door 7 and the frame 1 during movement, so that the sliding door 7 can slide smoothly when opening and closing, reducing energy loss and operating force, improving smoothness, and effectively reducing the friction noise generated during operation. Increasing stability and guidance also helps to reduce the noise level and improve the comfort of use, thereby moving the sliding door 7.
[0039] The protective sound insulation layer 202 has a certain sound insulation function, which can effectively reduce the noise generated by the sliding door 7 during the opening and closing process. This is especially important for places that need to operate in a quiet environment, such as libraries, offices, etc., and can provide a quieter and more comfortable use environment. The protective pad 203 effectively prevents the sliding or deviation of the sliding door 7 due to friction during the opening and closing process, increases the stability and safety of use, and reduces the risk of damage to it.
[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A low-friction sliding door hanging rail pulley, comprising a frame (1), characterized in that: The outer wall of the frame (1) is provided with a protective structure (2); the center of the lower end surface of the frame (1) is provided with a lifting and sliding structure (3); a plurality of telescopic connecting rods (4) are arranged horizontally at one side of the center of the lower end surface of the lifting and sliding structure (3); a plurality of mounting plates (5) are arranged at the lower end surfaces of the plurality of telescopic connecting rods (4); a plurality of sliding blocks (6) are arranged at the center of the lower end surfaces of the plurality of mounting plates (5); a moving door (7) is arranged at the center of the lower end surface of the sliding block (6); two rotating blocks (8) are arranged front and rear at the upper ends of the two side walls of the moving door (7); and a limit block (9) is arranged at one side of the center of the outer wall of the four rotating blocks (8).
2. The low-friction sliding door hanging rail pulley according to claim 1, characterized in that: The protective structure (2) comprises a protective layer (201), a protective sound insulation layer (202) and two protective pads (203); the protective sound insulation layer (202) is sleeved on the outer wall of the frame (1); the protective sound insulation layer (202) is sleeved on the outer wall of the protective layer (201); and the two protective pads (203) are respectively arranged at the centers of the two inner walls of the frame (1).
3. The low-friction sliding door hanging rail pulley according to claim 1, characterized in that: The hoisting sliding structure (3) comprises a first sliding groove (301), a second sliding groove (302), two third sliding grooves (303), three sliding plates (304), a plurality of rotating shafts (305), a plurality of rollers (306) and three sliding connecting plates (307), wherein the first sliding groove (301) is arranged at the center of the lower end surface of the frame (1), the second sliding groove (302) is arranged at the center of the upper end surface of the first sliding groove (301) and at the center of the upper inner wall of the frame (1), the two third sliding grooves (303) are respectively arranged at the center of the front end surface and the center of the rear end surface of the first sliding groove (301), at the center of the front inner wall of the frame (1) and at the center of the rear inner wall of the frame (1), and the three sliding grooves (301) are arranged at the center of the front end surface and the center of the rear end surface of the first sliding groove (301), at the center of the front inner wall of the frame (1) and at the center of the rear inner wall of the frame (1). The movable plates (304) are arranged transversely at one side of the center of the first slide groove (301), the plurality of rollers (306) are arranged transversely at one side of the center of the two third slide grooves (303), the plurality of rotating shafts (305) are arranged at the center of the rear end surfaces of the plurality of rollers (306) at the front, one end of the plurality of rotating shafts (305) passes through the front end surface of the sliding plate (304) in sequence to the rear end surface of the sliding plate (304), and the ends are fixedly connected to the center of the front end surfaces of the plurality of rollers (306) at the rear, and the three sliding connecting plates (307) are arranged transversely at the center of the upper end surfaces of the three sliding plates (304).
4. The low-friction sliding door hanging rail pulley according to claim 3, characterized in that: The three sliding connection plates (307) are all slidably connected at the inner center of the second sliding groove (302).
5. The low-friction sliding door hanging rail pulley according to claim 3, characterized in that: The plurality of rollers (306) are respectively slidably connected to the inner centers of the two third sliding grooves (303).
6. The low-friction sliding door hanging rail pulley according to claim 3, characterized in that: The plurality of rollers (306) are respectively adapted to fit between the two third sliding grooves (303).
7. The low-friction sliding door hanging rail pulley according to claim 3, characterized in that: The three sliding plates (304) are all slidably connected at the inner center of the first sliding groove (301).
8. The low-friction sliding door hanging rail pulley according to claim 2, characterized in that: The two protection pads (203) are both made of rubber.