Sliding door pulley seat

By introducing a separate structure and buffer design for positioning sheet metal and adjusting slide in the pulley seat, the problems of high rigidity and poor stability of sliding doors during opening and closing are solved, achieving higher durability and stability.

CN224048946UActive Publication Date: 2026-03-27HYMETAL BUILDING COMPONENTS (SHANGHAI) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The existing industrial sliding door pulley seats lack a buffer structure during the opening and closing process, resulting in high rigidity, poor stability, and insufficient durability.

Method used

Design a pulley seat, including a positioning sheet metal and an adjusting slide, with a buffer structure between the two to allow the relative position to be fixed and to buffer when under force. The pulley is located on the adjusting slide, and the buffer structure relieves force in the direction of the slide groove, thereby enhancing stability and durability.

Benefits of technology

With the design of the buffer structure, the sliding door is more stable during opening and closing, and its durability is significantly improved. The distance between the rollers and the door panel can be adjusted to ensure that the door panel is flush, thus improving the overall usability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224048946U_ABST
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Abstract

The utility model provides a sliding door pulley seat, and belongs to the technical field of industrial sliding doors. The sliding door solves the problem that an existing sliding door is poor in stability in the opening and closing process. The pulley seat is composed of the positioning metal plate and the adjusting sliding hinge, the pulley is located on the adjusting sliding hinge, the positioning metal plate is used for being fixed to the door plate, the adjusting sliding hinge and the positioning metal plate can slide relatively, and a buffering structure is further arranged between the adjusting sliding hinge and the positioning metal plate. The buffering structure can fix the relative position between the adjusting sliding hinge and the positioning metal plate and can also achieve the buffering function to a certain degree, so that impact generated in the opening and closing process of the door plate of the sliding door can be buffered and unloaded in the sliding groove direction through the buffering structure, and the stability of the whole sliding door in the sliding process is better.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to industrial sliding door technical field relates to a sliding door, especially relates to a pulley seat on sliding door. BACKGROUND

[0002] The gate of factory area generally uses industrial sliding door, and the sliding door generally comprises slide rail, multiple hinged door panels and pulley assembly. The pulley assembly comprises pulley seat and pulley, the pulley seat is used for being fixed with the door panel, and the pulley is used for being slidably connected with the slide rail, and the door panel can be moved along the predetermined route by the pulley assembly when being opened or closed.

[0003] The existing industrial lifting door pulley seat applied to the door width of more than 5 meters is basically made of carbon steel plated with zinc, and is integrally formed, rigidly fixed on the door panel, and then the pulley is rotatably connected to the integral pulley seat. There is no buffer structure between the traditional carbon steel plated with zinc pulley seat and the pulley, and the overall connection rigidity is large, so that when the door panel is impacted during the opening and closing process, the hard stress can only be borne by the toughness of the material itself, that is, the deformation compensation capacity is poor. UTILITY MODEL CONTENTS

[0004] In view of the existing technical deficiencies, the utility model provides a sliding door pulley seat. It solves the technical problem of poor stability of the existing sliding door during the opening and closing process.

[0005] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A sliding door pulley seat, the pulley seat is fixed on the door panel of the sliding door, characterized in that the pulley seat comprises a positioning sheet metal and an adjusting sliding page, the adjusting sliding page is connected with a pulley, the positioning sheet metal is provided with a stroke slot, the adjusting sliding page is provided with a guide part which extends into the inner side of the stroke slot and can move along the stroke slot, and the adjusting sliding page and the positioning sheet metal are provided with a buffer structure which can fix the relative position of the adjusting sliding page and the positioning sheet metal.

[0007] The pulley seat of the present application is composed of two parts, namely the positioning sheet metal and the adjusting sliding page, and the pulley is located on the adjusting sliding page. The positioning sheet metal is used for fixing the door panel, the adjusting sliding page and the positioning sheet metal can slide relative to each other, and a buffer structure is further arranged between the adjusting sliding page and the positioning sheet metal. The buffer structure can not only fix the relative position between the adjusting sliding page and the positioning sheet metal, but also realize a certain degree of buffering function. In this way, the impact generated during the opening and closing process of the sliding door can be buffered in the direction of the sliding groove through the buffer structure, so that the sliding door is more stable during the sliding process.

[0008] The positioning plate and the adjusting slide of the application are in a split structure and the relative position between the two can move to a certain extent, and when force is applied, the force can be released through relative displacement to avoid rigid extrusion, thereby greatly improving the durability of the pulley seat.

[0009] The pulley of the application is connected to the adjusting slide, and the adjusting slide can move relative to the positioning plate, so that the initial position can be adjusted, and the mounting position between the door panel of the sliding door and the sliding rail can be adjusted to a certain extent to make the sliding door more stable during use.

[0010] In the sliding door pulley seat, the positioning plate includes a fixed part one, an adjusting part, and a fixed part two, which are integrally formed, and the travel groove is arranged at the position of the adjusting part and has a long strip structure and is arranged along the direction of the fixed part one and the fixed part two.

[0011] The fixed part one, the adjusting part, and the fixed part two of the application are arranged in a line, and the travel groove is arranged in the same direction as the above-mentioned arrangement direction, so that when the positioning plate is fixed to the door panel, the travel groove is arranged in the same direction as the movement direction of the door panel, and when the adjusting slide is stressed, it can be buffered and relieved along the direction of the travel groove, further improving the stability of the sliding door.

[0012] In the sliding door pulley seat, the fixed part one and the fixed part two are located on the same plane, and part of the travel groove is gradually away from the side of the plane.

[0013] After the fixed part one and the fixed part two are fixed to the door panel, part of the travel groove is gradually away from the side of the door panel, so that when the adjusting slide is connected to the travel groove, the distance between the adjusting slide and the door panel can be adjusted by moving along the travel groove, that is, the distance between the pulley and the door panel can be adjusted, so that the distance between the door panel and the sliding rail can be adjusted, and all the door panels can be aligned on the same plane, greatly improving the stability of the sliding door during movement.

[0014] In the sliding door pulley seat, the adjusting part has an arc-shaped sheet structure, and the travel groove is arranged along the circumference of the adjusting part to make the travel groove arc-shaped.

[0015] The adjusting part of the application has an arc-shaped sheet structure, that is, the adjusting part is formed by bending a steel plate, so that the travel groove arranged on the adjusting part is naturally arc-shaped, and when the adjusting slide moves on the travel groove, the distance between the pulley on the adjusting slide and the door panel can be changed to adjust the alignment of the door panels, greatly improving the stability of the sliding door during sliding.

[0016] The arc-shaped adjusting part has good buffering capacity and can effectively release force, thereby improving the durability of the pulley seat while ensuring stability.

[0017] In the sliding door pulley seat, the guide part is a bolt, the bolt penetrates the adjusting sliding page and extends into the stroke slot, and the buffer structure is a nut, which is threadedly connected to the end of the bolt and locks the adjusting sliding page and the positioning sheet metal by thread rotation.

[0018] The buffer structure can be designed as a nut, which is threadedly connected to the guide part to realize the fixed relationship between the adjusting sliding page and the positioning sheet metal by adjusting the tightness. Even when the adjusting sliding page is impacted by a large force after being tightened, the adjusting sliding page and the positioning sheet metal can still move in the direction of the stroke slot to a certain extent to release force, thereby greatly improving the durability of the pulley seat and further improving the stability of the sliding door.

[0019] In the sliding door pulley seat, the guide part is a convex rib protruding from the adjusting sliding page, the convex rib cooperates with the stroke slot, and the buffer structure is a bolt, a plurality of bolt holes are formed in the positioning sheet metal along the two sides of the stroke slot, and the bolt is fixed on the adjusting sliding page and can be plugged into any bolt hole.

[0020] This is another embodiment of the buffer structure of the present application, in which the buffer structure can be a connection relationship of a bolt and a bolt hole. Of course, the bolt and the bolt hole can be designed as a clearance fit, which can release force to a certain extent, avoid hard force on the pulley seat, and improve the stability of the sliding door.

[0021] In the sliding door pulley seat, the adjusting sliding page has a V-shaped structure and includes a mounting part and a moving part, the moving part cooperates with the positioning sheet metal, and the pulley is rotationally connected to the mounting part.

[0022] In the sliding door pulley seat, the moving part has an arc-shaped structure matched with the adjusting part.

[0023] In the sliding door pulley seat, the mounting part has a shaft hole, and the rotating shaft of the pulley is plug-connected in the shaft hole.

[0024] In the sliding door pulley seat, bolt holes are formed in the first and second fixing parts.

[0025] The sliding door pulley seat has the following beneficial effects:

[0026] 1. The adjusting sliding page and the positioning sheet metal can relatively slide and are provided with a buffer structure, which can fix the relative position between the adjusting sliding page and the positioning sheet metal and realize the buffer connection between the two, buffer unloading force in the direction of the sliding groove, so that the sliding door is more stable in the sliding process.

[0027] 2. The positioning sheet metal and the adjusting sliding page are in a split structure and the relative position between the two can move to a certain extent, which can unload force through relative displacement to avoid rigid extrusion when stressed, so that the durability of the pulley seat is greatly improved.

[0028] 3. The adjusting sliding page moves along the travel groove to adjust the distance between the pulley and the door panel, that is, the distance between the door panel and the sliding rail can be adjusted, so that all the door panels are aligned on the same plane, and the stability of the sliding door during movement is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0029] Fig. 1 It is a structure diagram of the pulley of the utility model;

[0030] Fig. 2 It is a structure diagram of the pulley of the utility model;

[0031] Fig. 3 It is a part drawing of the positioning sheet metal of the utility model.

[0032] In the drawing: 1, positioning sheet metal; 11, fixed part one; 12, adjusting part; 13, fixed part two; 14, bolt hole; 2, adjusting sliding page; 21, mounting part; 22, moving part; 23, shaft hole; 3, travel groove; 4, pulley; 41, guide part; 5, buffer structure. DETAILED DESCRIPTION

[0033] Example one

[0034] As Figs. 1-3The application discloses a sliding door pulley seat, which comprises mutually hinged door plates, a plurality of pulley seats and sliding rails, wherein the pulley seat is fixed to the two side edges of the door plate close to the sliding rails, and the pulley 4 on the pulley seat faces the sliding rail and is in sliding cooperation with the sliding rail. The pulley seat comprises a positioning sheet metal 1 and an adjusting sliding page 2, the adjusting sliding page 2 is connected with the pulley 4, the positioning sheet metal 1 is provided with a stroke slot 3, the adjusting sliding page 2 is provided with a guide part 41 which extends into the inner side of the stroke slot 3 and can move along the stroke slot 3, and the adjusting sliding page 2 and the positioning sheet metal 1 are provided with a buffer structure 5 which can fix the relative position of the adjusting sliding page 2 and the positioning sheet metal 1. The pulley seat of the application is composed of two parts, namely the positioning sheet metal 1 and the adjusting sliding page 2, the pulley 4 is located on the adjusting sliding page 2, the positioning sheet metal 1 is used for fixing the door plate, the adjusting sliding page 2 and the positioning sheet metal 1 can slide relative to each other, and the buffer structure 5 is further arranged between the adjusting sliding page 2 and the positioning sheet metal 1. The buffer structure 5 can not only fix the relative position between the adjusting sliding page 2 and the positioning sheet metal 1, but also realize a certain degree of buffering function. Thus, the impact generated in the opening and closing process of the sliding door door plate can be buffered and unloaded in the sliding groove direction through the buffer structure 5, so that the sliding door is more stable in the sliding process. The positioning sheet metal 1 and the adjusting sliding page 2 of the application are in a split structure and the relative position between them can move to a certain extent. When stressed, the relative displacement can unload the force to avoid rigid extrusion, so that the durability of the pulley seat is greatly improved. The pulley 4 of the application is connected to the adjusting sliding page 2, and the adjusting sliding page 2 can move relative to the positioning sheet metal 1. Thus, the initial position can be adjusted, the installation position between the sliding door door plate and the sliding rail can be adjusted and adapted to a certain extent, so that the sliding door is more stable in the use process.

[0035] Further, the positioning sheet metal 1 comprises a fixing part one 11, an adjusting part 12 and a fixing part two 13 and is integrally formed, the stroke slot 3 is arranged at the position of the adjusting part 12, and the stroke slot 3 is in a strip-shaped structure and arranged along the direction of the fixing part one 11 and the fixing part two 13. The fixing part one 11 and the fixing part two 13 are both provided with bolt holes 14, the bolt holes 14 are screwed and fixed with the door plate through screws, the fixing part one 11 is above and the fixing part two 13 is below on each positioning sheet metal 1, and the arrangement direction of the stroke slot 3 is the same as the moving direction of the door plate. The fixing part one 11, the adjusting part 12 and the fixing part two 13 of the application are arranged in a line, the arrangement direction of the stroke slot 3 is the same as the above-mentioned arrangement direction. Thus, when the positioning sheet metal 1 is fixed to the door plate, the arrangement direction of the stroke slot 3 is the same as the moving direction of the door plate. Thus, the adjusting sliding page 2 can buffer and unload the force along the direction of the stroke slot 3 when stressed, so that the stability of the sliding door is further improved.

[0036] Further, the first fixing part 11 and the second fixing part 13 are located on the same plane, and the part of the stroke groove 3 is gradually away from the side of the plane. After the first fixing part 11 and the second fixing part 13 of the present application are fixed with the door plate, the part of the stroke groove 3 is gradually away from the side of the door plate. When the adjusting sliding page 2 is connected to the stroke groove 3 and moves along the stroke groove 3, the distance between the adjusting sliding page 2 and the door plate, i.e. the distance between the adjusting pulley 4 and the door plate, can be adjusted. Thus, the distance between the door plate and the sliding rail can be adjusted, and all the door plates can be aligned on the same plane, so that the stability of the sliding door during movement is greatly improved.

[0037] Further, the adjusting part 12 is in an arc-shaped sheet structure, and the stroke groove 3 is circumferentially formed in the adjusting part 12 to make the stroke groove 3 arc-shaped. The adjusting part 12 of the present application is in an arc-shaped sheet structure, i.e. the adjusting part 12 is formed by bending a steel plate. Thus, the stroke groove 3 formed in the adjusting part 12 is naturally arc-shaped, so that when the adjusting sliding page 2 moves on the stroke groove 3, the distance between the adjusting pulley 4 and the door plate can be changed to adjust the alignment of the door plates, and the stability of the sliding door during movement is greatly improved. The arc-shaped adjusting part 12 itself has good buffering capability, which can effectively release the force, thereby ensuring the stability and improving the durability of the pulley seat.

[0038] Further, the guide part 41 is a bolt, the bolt penetrates the adjusting sliding page 2 and extends into the stroke groove 3, and the buffer structure 5 is a nut, which is threadedly connected to the end of the bolt and locks the adjusting sliding page 2 and the positioning sheet metal 1 by thread rotation. The buffer structure 5 can be designed as a nut, which is threadedly connected to the guide part 41 to adjust the tightness and realize the fixed relationship between the adjusting sliding page 2 and the positioning sheet metal 1. Even if the relationship is tightened, when the adjusting sliding page 2 is impacted by a large force, the adjusting sliding page 2 and the positioning sheet metal 1 can still move in the direction of the stroke groove 3 to a certain extent to release the force, thereby greatly protecting the pulley seat and improving the durability, and the movement of the sliding door is smooth, and the stability is further improved.

[0039] Further, the adjusting sliding page 2 is in a V-shaped structure and includes a mounting part 21 and a moving part 22. The moving part 22 abuts and cooperates with the positioning sheet metal 1, and the adjusting pulley 4 is rotationally connected to the mounting part 21. Preferably, the moving part 22 is in an arc-shaped structure cooperating with the adjusting part 12, the mounting part 21 has an axle hole 23, and the rotating shaft of the adjusting pulley 4 is plug-connected in the axle hole 23.

[0040] Embodiment two

[0041] This is another embodiment of the buffer structure 5 of the application, in which other structures are basically the same as those of the first embodiment, and the difference is that the guide part 41 is a convex rib protruding on the adjusting sliding page 2, the convex rib is matched with the stroke groove 3, the buffer structure 5 is a plug, a plurality of plug holes are arranged on both sides of the stroke groove 3 on the positioning plate 1, and the plug is fixed on the adjusting sliding page 2 and can be plugged with any plug hole. The buffer structure 5 can be connected with the plug and the plug hole, and of course the plug and the plug hole can be designed as a clearance fit, which can play a role in unloading to a certain extent, avoid hard force on the pulley seat, and improve the stability of the sliding door to achieve the same technical effect as the first embodiment.

[0042] In the description of the present application, it should be explained that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the present application, at the same time, the basic principle, main features and advantages of the present application are shown and described above, which should be understood by those skilled in the art.

Claims

1. A sliding door pulley seat, the pulley seat being fixed to a door panel of a sliding door, characterized in that, The pulley seat comprises a positioning sheet metal (1) and an adjusting sliding sheet (2), the adjusting sliding sheet (2) is connected with a pulley (4), the positioning sheet metal (1) is provided with a stroke slot (3), the adjusting sliding sheet (2) is provided with a guide part (41) which extends into the inside of the stroke slot (3) and can move along the stroke slot (3), and the adjusting sliding sheet (2) and the positioning sheet metal (1) are provided with a buffer structure (5) which can fix the relative position of the adjusting sliding sheet (2) and the positioning sheet metal (1).

2. A roller track assembly according to claim 1, wherein: The positioning sheet metal (1) comprises a fixed part one (11), an adjusting part (12) and a fixed part two (13) and is integrally formed, the stroke slot (3) is arranged at the position of the adjusting part (12), and the stroke slot (3) is in a long strip structure and arranged along the direction of the fixed part one (11) and the fixed part two (13).

3. A sliding door roller track according to claim 2, characterized in that The fixed part one (11) and the fixed part two (13) are located on the same plane, and part of the stroke slot (3) is gradually away from one side of the plane.

4. A sliding door roller track according to claim 3, characterized in that The adjusting part (12) is in an arc-shaped sheet structure, and the stroke slot (3) is arranged along the circumference of the adjusting part (12) so that the stroke slot (3) is arc-shaped.

5. A sliding door roller track according to claim 4, characterized in that The guide part (41) is a bolt, the bolt extends into the stroke slot (3) through the adjusting sliding sheet (2), the buffer structure (5) is a nut, the nut is threadedly connected to the end of the bolt, and the adjusting sliding sheet (2) and the positioning sheet metal (1) are locked by thread rotation.

6. A sliding door roller track according to claim 4, characterized in that The guide part (41) is a convex rib protruding from the adjusting sliding sheet (2), the convex rib is matched with the stroke slot (3), the buffer structure (5) is a bolt, and a plurality of insertion holes are arranged on the two sides of the stroke slot (3) of the positioning sheet metal (1), the bolt is fixed on the adjusting sliding sheet (2) and can be plugged and unplugged with any insertion hole.

7. A roller track according to any one of claims 2-6, c h a r a c t e r i s e d in that The adjusting sliding sheet (2) is in a V-shaped structure and comprises a mounting part (21) and a moving part (22), the moving part (22) is abuttingly matched with the positioning sheet metal (1), and the pulley (4) is rotationally connected to the mounting part (21).

8. A sliding door roller track according to claim 7, characterized in that The moving part (22) is in an arc-shaped structure matched with the adjusting part (12).

9. A sliding door roller track according to claim 8, characterized in that The mounting part (21) is provided with a shaft hole (23), and the rotating shaft of the pulley (4) is plug-connected in the shaft hole (23).

10. A sliding door roller track according to claim 9, characterized in that The fixed part one (11) and the fixed part two (13) are both provided with bolt holes (14).