Suspended folding door

By automatically controlling the opening and closing of the door body with mechanical equipment in the suspended folding door, the problem of difficult control of the door body in extreme weather is solved, and higher safety and stability are achieved.

CN222759704UActive Publication Date: 2025-04-15RENQIU TIANYOU METAL DOORS & WINDOW CO LTD
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Patent Information

Application Number
CN202421533923.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-01
Publication Date
2025-04-15
Estimated Expiration
2034-07-01

AI Technical Summary

Technical Problem

The existing suspended folding doors are difficult to control under extreme weather conditions and are prone to swing on their own due to wind power, which poses safety risks.

Method used

Mechanical equipment is used instead of manual operation, and the automatic opening and closing of the folded door body is achieved through components such as servo motors, transmission belts and threaded lead screws, and the swing of the door body is restricted through the linkage between the sliding block and the threaded lead screw.

Benefits of technology

It effectively reduces the amount of manual operation, improves the stability of the door body under extreme weather conditions, reduces the risk of self-swinging and injury accidents caused by wind blowing, and improves the safety and reliability of the door.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of folding doors, in particular to a suspension folding door. The folding door body can be opened or closed mechanically instead of manually, the manual operation amount is reduced, the folding door body is limited and controlled all the time, the situation that the folding door body is blown by wind and swings to hurt people is effectively reduced, and the folding door body is safer and more reliable; comprising a door frame, a rotating shaft, two sets of folding door bodies, a plurality of sets of hinges, two sets of sliding blocks, a threaded lead screw, a first transmission belt and a servo motor, the two sets of folding door bodies are rotatably arranged on the left portion and the right portion of the door frame correspondingly and comprise the first door body and the second door body, a sliding groove is formed in the top of the door frame, and the threaded lead screw is rotatably arranged in the sliding groove; left threads and right threads on the threaded lead screw are reversely buckled with each other, and a first supporting box is arranged on the right portion of the door frame.
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Description

Technical Field

[0001] The utility model relates to the technical field of folding doors, in particular to a suspended folding door. Background Art

[0002] As we all know, suspended folding doors have been widely used in residential areas or factory areas. They have the advantages of being easy to open and reducing the space occupied by opening. However, the folding doors in residential areas or factory areas are generally opened by people pushing them. Due to the large size of the folding doors in residential areas or factory areas, it is more laborious for humans to open them. In extreme weather such as strong winds, it is difficult for operators to control the folding doors when opening them. The folding doors swing in a cycle under the action of wind, which can easily cause injuries and pose a major safety hazard. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides a suspended folding door that uses machinery to replace manual labor to open or close the folding door, thereby reducing the amount of manual operation and performing limit control on the folding door at all times, effectively reducing the occurrence of injuries caused by the wind swinging the door, and providing a safer and more reliable suspended folding door.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: including a door frame, a rotating shaft, two groups of folding door bodies, a multi-combination leaf, two groups of sliding blocks, a threaded screw, a first transmission belt and a servo motor, the two groups of folding door bodies can be rotatably arranged at the left and right parts of the door frame respectively, the two groups of folding door bodies each include a first door body and a second door body, the top and bottom ends of the first door body are rotatably connected to the door frame on one side, the first door body and the second door body are hinged by the multi-combination leaf, a slide groove is arranged at the top of the door frame, the two groups of sliding blocks can be slidably arranged in the slide groove, the tops of the two groups of second door bodies are rotatably connected to the bottoms of the two groups of sliding blocks on one side near the center line of the door frame respectively, the threaded screw can be rotatably arranged in the slide groove, the left and right threads on the threaded screw are mutually reversed, the two groups of sliding blocks are both threadedly connected to the threaded screw, a first support box is arranged at the right part of the door frame, the servo motor is fixedly arranged in the first support box, and the output end of the servo motor is connected to the right part of the threaded screw through the first transmission belt.

[0007] Preferably, it also includes a second transmission belt and a rotating shaft. A second support box is provided on the left part of the door frame. The rotating shaft is rotatably provided at the bottom of the left end of the door frame. The rotating shaft is located in the second support box. The rotating shaft is connected to the left part of the threaded screw through a second transmission belt. A handwheel is provided on the left part of the second rotating shaft.

[0008] Preferably, the hinge is a spring hinge.

[0009] Preferably, support wheels are provided on the bottom side of the first door body away from the door frame and on the left and right parts of the bottom end of the second door body.

[0010] Preferably, the bottoms of the two groups of sliding blocks are rotatably provided with multiple groups of rollers, and the bottoms of the rollers are in close contact with the inner wall of the bottom end of the slide groove.

[0011] Preferably, the front of the first supporting box is provided with an inspection port, the inspection port is provided with a baffle detachably connected by bolts, and the top of the second supporting box is provided with an opening, and a baffle door is hingedly provided at the opening.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the utility model provides a suspended folding door with the following beneficial effects: the suspended folding door, by starting the servo motor, is driven by the first transmission belt, and the threaded screw rotates. After the threaded transmission, the two groups of sliding blocks respectively move synchronously along the slide groove to the side away from the center line of the door frame, and the hinge between the first door body and the second door body is bent and brought together in a closed state. The two groups of sliding blocks respectively move along the slide groove to the left and right parts of the door frame, so that the first door body and the second door body are in a folded state, thereby opening the folding door body. The folding door body is opened and closed by mechanical equipment instead of manual labor, which reduces the amount of manual operation. When the folding door body is in the open or closed state, the second door body moves with the sliding block, and the sliding block is threadedly connected to the threaded screw, which can effectively reduce the occurrence of the second door body swinging and injuring people after being blown by the wind, and is safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0016] Figure 3 The utility model Figure 2 Schematic diagram of the cross-section structure at AA in the middle;

[0017] Figure 4 The utility model Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0018] Figure 5 The utility model Figure 3 A schematic diagram of the partially enlarged structure at B in the middle;

[0019] Figure 6 The utility model Figure 2 Schematic diagram of the cross-section structure at BB in the middle;

[0020] Markings in the attached drawings: 1. door frame; 2. hinge; 3. sliding block; 4. threaded screw; 5. first transmission belt; 6. servo motor; 7. first door body; 8. second door body; 9. slide groove; 10. first support box; 11. second transmission belt; 12. rotating shaft; 13. second support box; 14. hand wheel; 15. supporting wheel; 16. rotating roller; 17. baffle; 18. baffle door. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-6 The utility model is a suspended folding door, comprising a door frame 1, a rotating shaft 12, two groups of folding door bodies, a multi-combination page 2, two groups of sliding blocks 3, a threaded screw 4, a first transmission belt 5 and a servo motor 6. The folding door bodies are rotatably arranged on the left and right parts of the door frame 1 respectively. The two groups of folding door bodies include a first door body 7 and a second door body 8. The top and bottom ends of the first door body 7 are rotatably connected to the door frame 1. The first door body 7 and the second door body 8 are hinged through the multi-combination page 2. A slide groove 9 is arranged at the top of the door frame 1. Both groups of sliding blocks 3 can be slidably arranged in the slide groove 9. One side of the top of the two groups of second door bodies 8 is close to the center line of the door frame 1 and is rotatably connected to the bottom of the two groups of sliding blocks 3 respectively. The threaded screw 4 is rotatably arranged in the slide groove 9. The left and right threads on the threaded screw 4 are mutually reversed. The two groups of sliding blocks 3 are threadedly connected with the threaded screw 4. A first supporting box 10 is arranged on the right part of the door frame 1. The servo motor 6 is fixed The first support box 10 is fixedly arranged in the first support box 10, and the output end of the servo motor 6 is connected to the right part of the threaded screw 4 through the first transmission belt 5; by starting the servo motor 6, after the first transmission belt 5 is transmitted, the threaded screw 4 rotates, and after the threaded transmission, the two groups of sliding blocks 3 respectively move along the slide groove 9 to the side away from the center line of the door frame 1, and the hinge 2 between the first door body 7 and the second door body 8 is bent and close to each other in a closed state, and the two groups of sliding blocks 3 respectively move along the slide groove 9 to the left and right parts of the door frame 1, so that the first door body 7 and the second door body 8 are in a folded state, so that the folding door body is opened, and the folding door body is opened and closed by mechanical equipment instead of manual labor, which reduces the amount of manual operation. When the folding door body is in the open or closed state, the second door body 8 moves with the sliding block 3, and the sliding block 3 is threadedly connected to the threaded screw 4, which can effectively reduce the occurrence of the second door body 8 swinging and injuring people after being blown by the wind, which is safer and more reliable.

[0023] A suspended folding door of the utility model also includes a second transmission belt 11 and a rotating shaft 12. A second supporting box 13 is arranged on the left part of the door frame 1. The rotating shaft 12 can be rotatably arranged at the bottom of the left end of the door frame 1. The rotating shaft 12 is located in the second supporting box 13. The rotating shaft 12 is connected to the left part of the threaded screw 4 through the second transmission belt 11. A hand wheel 14 is arranged on the left part of the second rotating shaft 12. When the power is off or the servo motor 6 is overhauled, the rotating shaft 12 is rotated by rotating the hand wheel 14. After the second transmission belt 11 is transmitted, the threaded screw 4 rotates to control the movement of the sliding block 3 to realize temporary manual control of the opening or closing of the folding door body. In the power off state, the folding door is used normally. The hinge 2 is a spring hinge. In the natural state, the elastic hinge is in a closed state. When the folding door body is in a closed state, the torsion spring on the elastic hinge is in an elastic state, so that there is always a certain closing force at the hinge between the first door body 7 and the second door body 8, so that when the folding door body is initially opened, the first door body 7 and the second door body 8 are closed. The first door body 7 and the second door body 8 can be smoothly folded in half; support wheels 15 are provided at the bottom side of the bottom of the first door body 7 away from the door frame 1 and the left and right parts of the bottom end of the second door body 8; through the setting of the support wheels 15, the first door body 7 and the second door body 8 can be effectively supported, the force on the sliding block 3 is reduced, so that the friction force when the sliding block 3 moves left and right is reduced; the bottoms of the two groups of sliding blocks 3 can be rotatably provided with multiple groups of rollers 16, and the bottoms of the rollers 16 are in close contact with the inner wall of the bottom end of the slide groove 9; through the setting of the rollers 16, When the sliding block 3 moves left and right, the friction coefficient between the sliding block 3 and the inner wall at the bottom end of the slide groove 9 is reduced, thereby reducing the friction resistance of the sliding block 3; an inspection port is provided at the front of the first support box 10, and a baffle 17 detachably connected by bolts is provided on the inspection port, and an opening is provided at the top of the second support box 13, and a baffle door 18 is hingedly provided at the opening; through the setting of the inspection port and the opening, the servo motor 6 in the first support box 10 can be easily inspected, and the hand wheel 14 in the second support box 13 can be easily rotated.

[0024] When in use, by starting the servo motor 6, after the first transmission belt 5 is transmitted, the threaded screw 4 rotates, and after the threaded transmission, the two sets of sliding blocks 3 respectively move along the slide groove 9 synchronously to the side away from the center line of the door frame 1, and the hinge 2 between the first door body 7 and the second door body 8 is bent and close to each other in a closed state, and the two sets of sliding blocks 3 respectively move along the slide groove 9 to the left and right parts of the door frame 1, so that the first door body 7 and the second door body 8 are in a folded state, so that the folding door body is opened, and the folding door body is opened and closed by mechanical equipment instead of manual labor, which reduces the amount of manual operation. When the folding door body is in the open or closed state, the second door body 8 moves with the sliding block 3, and the sliding block 3 is threadedly connected with the threaded screw 4, which can effectively reduce the occurrence of the second door body 8 swinging and injuring people after being blown by the wind, which is safer and more reliable; when the power is off or the servo motor 6 is overhauled, the shaft 12 is rotated by turning the hand wheel 14, and after the second transmission belt 11 is transmitted, the threaded screw 4 rotates to control the sliding The movement of the block 3 can realize temporary manual control of the opening or closing of the folding door body. In the power outage state, the folding door is used normally; in the natural state, the elastic hinge is in a closed state. When the folding door body is in a closed state, the torsion spring on the elastic hinge is in an elastic state, so that there is always a certain closing force at the hinge between the first door body 7 and the second door body 8, which is conducive to the folding door body when it is initially opened, and the first door body 7 and the second door body 8 can be folded smoothly; through the setting of the support wheel 15, the first door body 7 and the second door body 8 can be effectively supported, and the force on the sliding block 3 is reduced, thereby reducing the friction force when the sliding block 3 moves left and right; through the setting of the roller 16, the friction coefficient between the sliding block 3 and the inner wall of the bottom end of the slide groove 9 can be reduced when the sliding block 3 moves left and right, thereby reducing the friction resistance of the sliding block 3; through the setting of the inspection port and the opening, it is convenient to overhaul the servo motor 6 in the first support box 10, and to rotate the hand wheel 14 in the second support box 13.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A suspended folding door, characterized in that: The invention comprises a door frame (1), two groups of folding door bodies, a plurality of combination leaves (2), two groups of sliding blocks (3), a threaded screw (4), a first transmission belt (5) and a servo motor (6); the two groups of folding door bodies are rotatably arranged on the left and right parts of the door frame (1), respectively; the two groups of folding door bodies each comprise a first door body (7) and a second door body (8); the top and bottom ends of the first door body (7) are rotatably connected to the door frame (1) on one side; the first door body (7) and the second door body (8) are hingedly connected via the plurality of combination leaves (2); a slide groove (9) is arranged on the top of the door frame (1); the two groups of sliding blocks (3) can be slidably arranged on ... In the slide groove (9), the top of the two groups of second door bodies (8) is rotatably connected to the bottom of the two groups of sliding blocks (3) on one side close to the center line of the door frame (1), the threaded screw (4) is rotatably arranged in the slide groove (9), the left and right threads on the threaded screw (4) are interlocked with each other, the two groups of sliding blocks (3) are threadedly connected to the threaded screw (4), the right part of the door frame (1) is provided with a first support box (10), the servo motor (6) is fixedly arranged in the first support box (10), and the output end of the servo motor (6) is connected to the right part of the threaded screw (4) through a first transmission belt (5).

2. A suspended folding door according to claim 1, characterized in that: The door frame (1) further comprises a second transmission belt (11) and a rotating shaft (12); a second support box (13) is arranged on the left side of the door frame (1); the rotating shaft (12) is rotatably arranged at the bottom of the left end of the door frame (1); the rotating shaft (12) is located in the second support box (13); the rotating shaft (12) is connected to the left side of the threaded screw (4) through the second transmission belt (11); and a hand wheel (14) is arranged on the left side of the rotating shaft (12).

3. A suspended folding door according to claim 2, characterized in that: The hinge (2) is a spring hinge.

4. A suspended folding door according to claim 3, characterized in that: Support wheels (15) are provided on the bottom side of the first door body (7) away from the door frame (1) and on the left and right parts of the bottom end of the second door body (8).

5. A suspended folding door according to claim 4, characterized in that: The bottoms of the two groups of sliding blocks (3) are rotatably provided with multiple groups of rollers (16), and the bottoms of the rollers (16) are in close contact with the inner wall of the bottom end of the slide groove (9).

6. A suspended folding door according to claim 5, characterized in that: The front of the first supporting box (10) is provided with an inspection port, on which a baffle (17) detachably connected by bolts is provided, and the top of the second supporting box (13) is provided with an opening, on which a baffle door (18) is hingedly provided.