Sliding rail structure for balcony sliding glass door
By introducing scraping and feeding components into the sliding track structure of the balcony sliding glass door, the problem of debris accumulation in the track is solved, achieving convenient cleaning and extended service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN SHENHONGFEI CONSTR ENG CO LTD
- Filing Date
- 2025-04-21
- Publication Date
- 2026-04-24
AI Technical Summary
The tracks of existing balcony sliding glass doors are prone to accumulating dust and other debris during use, leading to accelerated wear and damage to the seals, making them difficult to clean.
A slide rail structure including an installation frame, pulleys, scraper assembly, and adjustment assembly is designed. The adjustment assembly drives the scraper to insert into the slide rail and pushes the door frame to clean up debris, while the feeding assembly collects impurities.
It enables easy cleaning of debris at the bottom of the sliding rail, reduces wear and damage to seals, and extends the service life of the sliding glass door.
Smart Images

Figure CN224161602U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sliding rail structure technology, specifically to a sliding rail structure for balcony sliding glass doors. Background Technology
[0002] Sliding glass doors for balconies are typically made of aluminum alloy profiles. Modern home design increasingly emphasizes creating a larger feel within limited spaces, making sliding doors an indispensable part of modern home renovations.
[0003] In existing balcony glass door sliding tracks, as the balcony glass door is pulled back and forth to open and close, a large amount of dust and other debris accumulates at the bottom of the track. This debris is difficult to clean, and over time it increases the wear and tear on the balcony glass door sliding track, accelerates the damage to some sealing films and waterproof rings, and causes significant damage to the balcony glass door. Therefore, we propose a sliding track structure for balcony sliding glass doors. Utility Model Content
[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide a sliding track structure for balcony sliding glass doors, which can make it very convenient to clean the debris inside the bottom track, and can effectively solve the problems in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a sliding track structure for a balcony sliding glass door, including an installation frame and a feeding assembly;
[0006] Mounting frame: Two corresponding slide rails are fixed on the upper and lower sides inside the mounting frame. Two corresponding door frames are slidably connected inside the mounting frame. Four corresponding grooves are opened on the upper and lower sides of the door frames. Pulleys are rotatably connected inside the grooves. All the pulleys are connected to the upper and lower four slide rails respectively. A glass plate is fixed inside the door frame. Two corresponding scraping components are installed at the left and right ends inside the door frame. The lower side of the scraping component is in contact with the two slide rails on the lower side. Two corresponding adjusting components are installed on the side of the door frame. The adjusting components are connected to the scraping components.
[0007] The feeding assembly includes a chute, a slider, a connecting groove, a feeding plate, a pull rod, and a spring. Two corresponding connecting grooves are located at the lower ends of the left and right sides inside the mounting frame. The feeding plate is placed inside the connecting grooves. Two corresponding openings are located on the upper side of the feeding plate, each corresponding to one of the two lower sliding rails. A pull rod is fixed to the upper side of the feeding plate, and a spring is sleeved on the surface of the pull rod. The lower end of the spring is fixed to the upper side of the feeding plate, and the upper end of the spring is fixed to the upper side inside the connecting groove. Two corresponding chutes are located on the left and right sides of the mounting frame. A slider is slidably connected inside the chute. A sliding hole is located on the lower side of the chute, and the upper end of the pull rod passes through the sliding hole and is fixed to the lower side of the slider. This feeding assembly facilitates the removal of collected impurities.
[0008] Furthermore, the scraping assembly includes a mounting groove, a connecting strip, a connecting rod, and a scraping plate. Two corresponding mounting grooves are provided at the lower end of the door frame. A connecting strip is slidably connected inside the mounting groove. Two corresponding connecting holes are provided on the lower side of the mounting groove. A connecting rod is slidably connected inside the connecting holes. The lower ends of the two connecting rods are fixed with scraping plates, and the upper ends of the two connecting rods are fixed to the lower side of the connecting strip. A groove is provided on the lower side of the scraping plate, and two slide rails on the lower side are located inside their corresponding grooves. The scraping assembly is used to clean the slide rails on the lower side.
[0009] Furthermore, the adjustment assembly includes mounting blocks, threaded rods, and rotating shafts. A threaded hole is provided on the side of the connecting strip, and a threaded rod is threadedly connected inside the threaded hole. Two corresponding mounting blocks are provided at the upper and lower ends of the threaded rod. A rotating hole is provided in the middle of the mounting block, and the threaded rod is rotatably connected inside the two rotating holes. A rotating shaft is fixed to the upper end of the threaded rod. The two mounting blocks are fixed to the side of the adjacent door frame. The height of the scraper is adjusted by setting the adjustment assembly.
[0010] Furthermore, a pull plate is fixed to the upper side of the slider, and the pull plate is slidably connected inside the slide groove, so that the user can move the slider by pulling the pull plate.
[0011] Furthermore, four corresponding fixing plates are fixed on the front and rear sides of the mounting frame, and fixing holes are provided on the upper side of the fixing plates. The fixing plates and fixing holes facilitate the user to fix the mounting frame.
[0012] This invention incorporates an adjustment component and a scraper component. When cleaning the bottom of the slide rail is required, rotating two threaded rods on one side causes the two connecting strips connected to them to move downwards. In this case, the two scraper blades can be inserted downwards into the lower part of the mounting frame. Pushing the door frame at this time can clean the two slide rails at the lower end of the mounting frame, thereby removing debris and preventing it from affecting the sliding of the door frame. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the front structure of this utility model;
[0014] Figure 2 This is an enlarged view of section A of this utility model;
[0015] Figure 3 This is a schematic diagram of the scraper assembly structure of this utility model;
[0016] Figure 4 This is a schematic diagram of the pulley structure of this utility model.
[0017] In the diagram: 1. Mounting frame, 2. Slide rail, 3. Door frame, 4. Pulley, 5. Glass plate, 6. Feeding assembly, 61. Slide groove, 62. Slider, 63. Connecting groove, 64. Feeding plate, 65. Pull rod, 66. Spring, 7. Scraper assembly, 71. Mounting groove, 72. Connecting strip, 73. Connecting rod, 74. Scraper, 8. Adjustment assembly, 81. Mounting block, 82. Threaded rod, 83. Shaft, 9. Pull plate, 10. Fixing plate, 11. Fixing hole. Detailed Implementation
[0018] Please see Figure 1-4 This embodiment provides a technical solution: a sliding glass door for balconies with a sliding rail structure, including an installation frame 1 and a feeding assembly 6;
[0019] Mounting Frame 1: Two corresponding slide rails 2 are fixed on both the upper and lower sides inside the frame. Two corresponding door frames 3 are slidably connected inside the frame. Four corresponding grooves are opened on the upper and lower sides of the door frames 3. Pulleys 4 are rotatably connected inside the grooves. All the pulleys 4 are connected to the upper and lower four slide rails 2 respectively. A glass plate 5 is fixed inside the door frame 3. Two corresponding scraping components 7 are installed on the left and right ends inside the door frame 3. The lower side of the scraping component 7 fits against the two slide rails 2 on the lower side. Two corresponding adjusting components 8 are installed on the side of the door frame 3. The adjusting components 8 are connected to the scraping components 7. The scraping component 7 includes a mounting groove 71, a connecting strip 72, a connecting rod 73, and a scraping plate 74. Two corresponding mounting grooves 71 are opened at the lower end inside the door frame 3. The connecting strip 72 is slidably connected inside the mounting grooves 71. Two corresponding connecting strips 72 are opened on the lower side of the mounting grooves 71. The connecting hole has a connecting rod 73 slidably connected inside. The lower ends of the two connecting rods 73 are fixed with scraper plates 74. The upper ends of the two connecting rods 73 are fixed to the lower side of the connecting strip 72. The lower side of the scraper plate 74 has a groove. The two slide rails 2 on the lower side are located inside the corresponding groove. The adjusting component 8 includes a mounting block 81, a threaded rod 82 and a rotating shaft 83. The side of the connecting strip 72 has a threaded hole. The threaded rod 82 is threaded inside the threaded hole. The upper and lower ends of the threaded rod 82 are provided with two corresponding mounting blocks 81. The middle of the mounting block 81 has a rotating hole. The threaded rod 82 is rotatably connected inside the two rotating holes. The upper end of the threaded rod 82 is fixed with a rotating shaft 83. The two mounting blocks 81 are fixed to the side of the door frame 3 adjacent to it. The height of the scraper plate 74 is adjusted by setting the adjusting component 8. The slide rails 2 on the lower side are cleaned by setting the scraper component 7.
[0020] The feeding assembly 6 includes a chute 61, a slider 62, a connecting groove 63, a feeding plate 64, a pull rod 65, and a spring 66. Two corresponding connecting grooves 63 are opened at the lower ends of the left and right sides inside the mounting frame 1. The feeding plate 64 is placed inside the connecting groove 63. Two corresponding openings are opened on the upper side of the feeding plate 64, corresponding to the two lower slide rails 2 respectively. A pull rod 65 is fixed to the upper side of the feeding plate 64, and a spring 66 is sleeved on the surface of the pull rod 65. The lower end of the spring 66 is fixed to the upper side of the feeding plate 64, and the upper end of the spring 66 is fixed to the upper side inside the connecting groove 63. Two corresponding chute 61 are opened on the left and right sides of the mounting frame 1. A slider 62 is slidably connected inside the chute 61. A sliding hole is opened on the lower side of the chute 61, and the upper end of the pull rod 65 passes through the sliding hole and is fixed to the lower side of the slider 62. The feeding assembly 6 facilitates the removal of collected impurities.
[0021] Among them, a pull plate 9 is fixed on the upper side of the slider 62. The pull plate 9 is slidably connected inside the slide groove 61. The user can move the slider 62 by pulling the pull plate 9.
[0022] The mounting frame 1 has four corresponding fixing plates 10 fixed on its front and rear sides. The fixing plates 10 have fixing holes 11 on their upper sides. The fixing plates 10 and fixing holes 11 make it convenient for users to fix the mounting frame 1.
[0023] The working principle of this utility model is as follows: By setting the adjustment component and the scraping component, when it is necessary to clean the bottom of the slide rail, the two threaded rods 82 on one side can be rotated to move the two connecting strips 71 connected to them downward. In this case, the two scraping plates 74 can be inserted downward into the lower side of the mounting frame 1. At this time, pushing the door frame 3 can clean the two slide rails 2 at the lower end of the mounting frame 1. After cleaning, the debris will be concentrated on the upper side of the upper plate 64 on one side. At this time, the pull plate 9 connected to it pulls the pull rod 65 upward to move the upper plate 64 upward, and then the debris can be removed very easily, avoiding the debris from affecting the sliding of the door frame 1.
[0024] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A sliding glass door for balconies with a sliding track structure, characterized in that: Includes the mounting frame (1) and the feeding assembly (6); Mounting frame (1): There are two corresponding slide rails (2) fixed on the upper and lower sides inside. There are two corresponding door frames (3) slidably connected inside the mounting frame (1). There are four corresponding grooves on the upper and lower sides of the door frame (3). There are pulleys (4) rotatably connected inside the grooves. All the pulleys (4) are connected to the upper and lower four slide rails (2) respectively. There is a glass plate (5) fixed inside the door frame (3). There are two corresponding scraping components (7) installed on the left and right ends inside the door frame (3). The lower side of the scraping component (7) is in contact with the two slide rails (2) on the lower side. There are two corresponding adjustment components (8) installed on the side of the door frame (3). The adjustment components (8) are connected to the scraping components (7). The feeding assembly (6) includes a slide groove (61), a slider (62), a connecting groove (63), a feeding plate (64), a pull rod (65), and a spring (66). The lower ends of the left and right sides of the mounting frame (1) are provided with two corresponding connecting grooves (63). The feeding plate (64) is placed inside the connecting groove (63). The upper side of the feeding plate (64) is provided with two corresponding openings, which correspond to the two slide rails (2) on the lower side respectively. The pull rod is fixed on the upper side of the feeding plate (64). (65), a spring (66) is sleeved on the surface of the pull rod (65), the lower end of the spring (66) is fixed on the upper side of the feed plate (64), the upper end of the spring (66) is fixed on the upper side inside the connecting groove (63), two corresponding sliding grooves (61) are opened on the left and right sides of the mounting frame (1), a slider (62) is slidably connected inside the sliding groove (61), a sliding hole is opened on the lower side of the sliding groove (61), and the upper end of the pull rod (65) passes through the sliding hole and is fixed on the lower side of the slider (62).
2. The sliding track structure for a balcony sliding glass door according to claim 1, characterized in that: The scraper assembly (7) includes a mounting groove (71), a connecting strip (72), a connecting rod (73), and a scraper plate (74). The lower end of the door frame (3) has two corresponding mounting grooves (71). The mounting groove (71) is slidably connected to the connecting strip (72). The lower side of the mounting groove (71) has two corresponding connecting holes. The connecting holes are slidably connected to the connecting rod (73). The lower end of the two connecting rods (73) is fixed with the scraper plate (74). The upper end of the two connecting rods (73) is fixed to the lower side of the connecting strip (72). The lower side of the scraper plate (74) has a groove. The two slide rails (2) on the lower side are located inside the corresponding groove.
3. The sliding track structure for a balcony sliding glass door according to claim 2, characterized in that: The adjustment assembly (8) includes a mounting block (81), a threaded rod (82), and a rotating shaft (83). The side of the connecting strip (72) is provided with a threaded hole, and the threaded rod (82) is threadedly connected inside the threaded hole. Two corresponding mounting blocks (81) are provided at the upper and lower ends of the threaded rod (82). A rotating hole is provided in the middle of the mounting block (81). The threaded rod (82) is rotatably connected inside the two rotating holes. The rotating shaft (83) is fixed at the upper end of the threaded rod (82). The two mounting blocks (81) are fixed on the side of the door frame (3) adjacent to them.
4. The sliding track structure for a balcony sliding glass door according to claim 1, characterized in that: A pull plate (9) is fixed to the upper side of the slider (62), and the pull plate (9) is slidably connected inside the groove (61).
5. The sliding track structure for a balcony sliding glass door according to claim 1, characterized in that: The mounting frame (1) has four corresponding fixing plates (10) fixed on its front and rear sides, and the fixing plates (10) have fixing holes (11) on their upper sides.