Slideway structure of upper slideway type sliding door

By using a double roller and dovetail block design, the problem of track damage caused by shaking in upper sliding door is solved, achieving a more stable and durable sliding effect.

CN223577769UActive Publication Date: 2025-11-21SHENYANG HENGJIAN DOOR & WINDOW INSTR CO LTD
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Patent Information

Application Number
CN202423073466.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-21
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

The tracks of existing top-sliding sliding doors are prone to damage during use due to wobbling perpendicular to the sliding direction, which affects their service life.

Method used

It adopts a vertical support structure with double rollers, combined with the sliding connection of dovetail blocks and dovetail grooves. The force perpendicular to the sliding direction is balanced by the cooperation of the sliders on both sides and the grooves, reducing swaying.

Benefits of technology

The lifespan of the slide structure has been extended, and noise has been reduced through the polyurethane sheath, resulting in more stable sliding and stronger load-bearing capacity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a slideway structure of an upper slideway type sliding door, which relates to the technical field of slideway structures, and comprises a mounting plate, a pair of chutes, a central U-shaped plate, a fixed U-shaped plate and a pair of rollers, the mounting plate is arranged on the wall surface of the top of the sliding door, the central U-shaped plate is arranged at the central position of the mounting plate, and the fixed U-shaped plate is arranged on the fixed U-shaped plate. Supporting plates are arranged at the two lower ends of the central U-shaped plate respectively, a sliding cavity is formed by the pair of supporting plates and the central U-shaped plate, a central sliding way is formed between the pair of supporting plates, and the fixed U-shaped plate is fixedly arranged at the top of the sliding door; a double-roller mode is adopted for supporting in the vertical direction, stress perpendicular to the sliding direction is balanced while sliding stability of the sliding door is guaranteed through matching of the sliding blocks on the two sides and the sliding grooves, shaking of the sliding door is reduced, and the service life of the sliding way structure is prolonged.
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Description

Technical Field

[0001] This utility model relates to the field of slide structure technology, specifically to a slide structure for an upper slide type sliding door. Background Technology

[0002] The sliding track of a top-mounted sliding door is located at the top of the door. The door slides along the upper track, while the bottom of the door does not contact the ground, leaving a small gap. This design is aesthetically pleasing, makes it easy to clean the floor, and avoids dust accumulation.

[0003] The existing sliding doors with top-mounted tracks use simple tracks. In actual use, it has been found that sliding doors inevitably wobble perpendicular to the sliding direction. The force of this wobble is mainly concentrated on the track, which makes the track easy to damage and affects its service life. Utility Model Content

[0004] To address the aforementioned shortcomings of existing technologies, this utility model provides a sliding track structure for an upper sliding door. It employs a double roller system for vertical support, and the cooperation between the sliders on both sides and the sliding groove ensures the stability of the sliding door while balancing the force perpendicular to the sliding direction, reducing the swaying of the sliding door and extending the service life of the sliding track structure.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a sliding track structure for a sliding door with an upper sliding track, comprising an installation plate, a pair of sliding grooves, a central U-shaped plate, a fixed U-shaped plate, and a pair of rollers. The installation plate is mounted on the wall at the top of the sliding door. The central U-shaped plate is positioned at the center of the installation plate. Support plates are respectively provided at the two lower ends of the central U-shaped plate. The pair of support plates and the central U-shaped plate form a sliding cavity, and a central sliding track is formed between the pair of support plates. The fixed U-shaped plate is fixedly mounted at the top of the sliding door. A fixed plate is positioned at the center of the fixed U-shaped plate. A central sliding body is positioned at the center of the upper surface of the fixed plate. The central sliding body extends into the sliding cavity and is slidably connected to the central sliding track. A central shaft is provided at the upper part of the central sliding body. A pair of rollers are rotatably mounted at both ends of the central shaft. The bottoms of the rollers contact the upper surface of the support plate. Slider blocks are respectively provided at the two upper ends of the fixed U-shaped plate. Sliding grooves are respectively provided on both sides of the installation plate corresponding to the central U-shaped plate. The sliders are slidably connected to the sliding grooves.

[0006] Preferably, the slider is a dovetail block, the groove is a dovetail groove, and the dovetail block and the dovetail groove are slidably connected.

[0007] Preferably, the roller is provided with a polyurethane sleeve.

[0008] Preferably, the tray is a U-shaped plate, and the roller is located in the groove of the U-shaped plate.

[0009] Preferably, the mounting plate is designed to be inserted into the wall.

[0010] Preferably, the central U-shaped plate and the support plate are integrally molded.

[0011] Preferably, the fixing plate and the central sliding body are integrally molded.

[0012] This utility model provides a sliding track structure for an upper sliding door, which has the following beneficial effects:

[0013] 1. This utility model uses a double roller method for vertical support. The cooperation between the sliders on both sides and the slide groove ensures the stability of the sliding door while balancing the force perpendicular to the sliding direction, reducing the swaying of the sliding door and improving the service life of the slide structure.

[0014] 2. In this utility model, the roller is equipped with a polyurethane sleeve to reduce noise when the sliding door moves; the slide and the slider adopt the cooperation of dovetail groove and dovetail block, which makes the sliding more stable and has a stronger ability to withstand forces perpendicular to the sliding direction. Attached Figure Description

[0015] Figure 1 This is a front cross-sectional view of the sliding track structure of a sliding door with an upper sliding track according to the present invention.

[0016] In the diagram: 1. Mounting plate; 2. Central U-shaped plate; 3. Slide cavity; 4. Central shaft; 5. Support plate; 6. Central slide rail; 7. Central slide body; 8. Sliding door; 9. Fixing plate; 10. Protective sleeve; 11. Roller; 12. Fixing U-shaped plate; 13. Slider; 14. Slide groove. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] like Figure 1As shown, a sliding door 8 with an upper sliding track structure includes a mounting plate 1, a pair of sliding grooves 14, a central U-shaped plate 2, a fixed U-shaped plate 12, and a pair of rollers 11. The mounting plate 1 is installed on the wall at the top of the sliding door 8. The central U-shaped plate 2 is located at the center of the mounting plate 1. The two lower ends of the central U-shaped plate 2 are respectively provided with support plates 5. The pair of support plates 5 and the central U-shaped plate 2 form a sliding cavity 3, and the pair of support plates 5 form a central sliding track 6. The fixed U-shaped plate 12 is fixedly installed at the top of the sliding door 8. A fixed plate 9 is located at the center of the fixed U-shaped plate 12. A central sliding body 7 is located at the center of the upper surface of the fixed plate 9. The central sliding body 7 penetrates into the sliding cavity 3 and is slidably connected to the central sliding track 6. The upper part of the central sliding body 7 is provided with... A central shaft 4 is provided, and a pair of rollers 11 are respectively rotatably mounted at both ends of the central shaft 4. The bottom of the rollers 11 contacts the upper surface of the support plate 5. The two upper ends of the fixed U-shaped plate 12 are respectively provided with sliders 13. The mounting plate 1 is provided with sliding grooves 14 on both sides corresponding to the central U-shaped plate 2. The sliders 13 and sliding grooves 14 are slidably connected. The sliders 13 are dovetail blocks, and the sliding grooves 14 are dovetail grooves. The dovetail blocks and dovetail grooves are slidably connected. The rollers 11 are provided with polyurethane sleeves 10. The support plate 5 is a U-shaped plate, and the rollers 11 are located in the grooves of the U-shaped plate. The mounting plate 1 is designed to be inserted into the wall. The central U-shaped plate 2 and the support plate 5 are integrally formed. The fixed plate 9 and the central slider 7 are integrally formed.

[0019] Its detailed connection methods are well-known technologies in this field. The following mainly introduces the working principle and process, as follows:

[0020] According to the instruction manual Figure 1 As can be seen, during installation of this utility model, the mounting plate 1 is first fixed to the top wall, which can be done with screws or by inserting it into the wall for greater stability; the fixing plate 9 is installed at the center of the fixing U-shaped plate 12, and the central slide rail 6 is installed at the center of the fixing plate 9, which can be done by integral molding or welding; the central shaft 4 is set on the central slide body 7, a pair of rollers 11 are rotatably installed at both ends of the central shaft 4, and a pair of sliders 13 are fixed at both ends of the fixing U-shaped plate 12. At this time, the sliders 13 are installed in the slide groove 14, and the pair of rollers 11 are installed in the slide cavity 3 formed by the central U-shaped plate 2 and the pair of support plates 5. At the same time, the central slide body 7 and the central slide rail 6 formed by the pair of support plates 5 are slidably connected; the central U-shaped plate 2 and the support plate 5 are set at the center of the mounting plate 1. The central U-shaped plate 2 and the mounting plate 1 can be fixed with screws, and the support plate 5 and the central U-shaped plate 2 can be integrally molded or welded. The slide groove 14 and the mounting plate 1 are fixedly connected with screws; finally, the sliding door 8 is fixed to the fixing U-shaped plate 12, and the overall installation is completed.

[0021] In use, a pair of rollers 11 not only support the sliding door 8, but also, located on either side of the center of the sliding plate, can withstand a certain force perpendicular to the direction of movement. The sliding connection between the central slide body 7 and the central slide rail 6 can also withstand a certain force perpendicular to the direction of movement. Furthermore, a pair of sliders 13 are slidably connected to the slide groove 14, enabling them to withstand even greater forces perpendicular to the direction of movement. This ensures the sliding door 8 slides stably while balancing the forces perpendicular to the sliding direction, reducing the swaying of the sliding door 8 and extending the service life of the slide rail structure.

[0022] The slider 13 is a dovetail block, and the groove 14 is a dovetail groove. The dovetail block and the dovetail groove are slidably connected, making the sliding more stable. The structural area between the dovetail block and the dovetail groove is larger, and the ability to withstand forces perpendicular to the sliding direction is stronger.

[0023] The roller 11 is equipped with a polyurethane sleeve 10 to reduce the noise generated when the roller 11 rolls and improve its service life.

[0024] Among them, the support plate 5 is a U-shaped plate, and the roller 11 is located in the groove of the U-shaped plate and matches its width to ensure the stability of linear motion during rolling.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A sliding track structure for an upper sliding door (8), characterized in that, The sliding door (8) includes a mounting plate (1), a pair of sliding grooves (14), a central U-shaped plate (2), a fixed U-shaped plate (12), and a pair of rollers (11). The mounting plate (1) is set on the wall at the top of the sliding door (8). The central U-shaped plate (2) is set at the center of the mounting plate (1). The two lower ends of the central U-shaped plate (2) are respectively provided with support plates (5). The pair of support plates (5) and the central U-shaped plate (2) form a sliding cavity (3). The pair of support plates (5) form a central sliding track (6). The fixed U-shaped plate (12) is fixedly set on the top of the sliding door (8). The center of the fixed U-shaped plate (12) is provided with a fixed roller (11). The plate (9) has a central sliding body (7) at the center of its upper surface. The central sliding body (7) extends into the sliding cavity (3) and is slidably connected to the central slide rail (6). A central shaft (4) is provided on the upper part of the central sliding body (7). A pair of rollers (11) are respectively rotatably arranged at both ends of the central shaft (4). The bottom of the rollers (11) contacts the upper surface of the support plate (5). The two upper ends of the fixed U-shaped plate (12) are respectively provided with sliders (13). The mounting plate (1) is provided with sliding grooves (14) on both sides corresponding to the central U-shaped plate (2). The sliders (13) are slidably connected to the sliding grooves (14).

2. The sliding track structure of the upper sliding door (8) according to claim 1, characterized in that, The slider (13) is a dovetail block, and the groove (14) is a dovetail groove. The dovetail block and the dovetail groove are slidably connected.

3. The sliding track structure of the upper sliding door (8) according to claim 1, characterized in that, The roller (11) is provided with a polyurethane sheath (10).

4. The sliding track structure of the upper sliding door (8) according to claim 1, characterized in that, The tray (5) is a U-shaped plate, and the roller (11) is located in the groove of the U-shaped plate.

5. The sliding track structure of the upper sliding door (8) according to claim 1, characterized in that, The mounting plate (1) is designed to be inserted into the wall.

6. The sliding track structure of the upper sliding door (8) according to claim 1, characterized in that, The central U-shaped plate (2) and the support plate (5) are designed as a single piece.

7. The sliding track structure of the upper sliding door (8) according to claim 1, characterized in that, The fixed plate (9) and the central sliding body (7) are integrally molded.