Folding door unit and folding door

By movably connecting the rotating plate and the insertion plate on the inner wall of the hinge, and using the linkage between the screw and the moving plate, the quick connection and disassembly of the folding door is achieved, solving the problem of cumbersome disassembly and poor aesthetics of the existing folding doors, improving the user experience and convenience of replacement of the insertion plate.

CN223202957UActive Publication Date: 2025-08-08GUANGZHOU XINGHAO INTELLIGENT DOOR & WINDOW IND CO LTD
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Patent Information

Application Number
CN202422255449.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-14
Publication Date
2025-08-08
Estimated Expiration
2034-09-14

AI Technical Summary

Technical Problem

The connecting parts of existing folding doors need to be opened on the side of the door panel in advance, which leads to cumbersome disassembly and affects the appearance. The threads of wooden boards are prone to aging and cracking, affecting service life.

Method used

The inner wall of the hinge is movably connected to the rotating plate, the end of the rotating plate is fixed, the cover plate is installed on the outer wall of the insertion plate and connected by bolts. The insertion plate is equipped with a telescopic groove and a locking block. The screw drives the moving plate and the linking block to move the locking block, avoiding opening directly on the side of the door panel.

Benefits of technology

It realizes quick connection and disassembly of door panels, facilitates replacement or maintenance of insert panels, maintains the aesthetics of the door panels, and avoids aesthetic problems caused by openings and thread aging.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223202957U_ABST
    Figure CN223202957U_ABST
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Abstract

The utility model relates to the technical field of folding doors, in particular to a folding door unit and a folding door, which comprise hinges, rotating plates movably connected to the inner walls of the hinges, inserting plates fixedly connected to the other ends of the two rotating plates, cover plates mounted on the outer walls of the inserting plates, and positioning blocks fixedly connected to the outer walls of the cover plates. The multiple positioning blocks are fixedly connected with the inserting plates through bolts, telescopic grooves are formed in the two inserting plates, locking blocks are installed in the telescopic grooves, linkage grooves are formed in the opposite ends of the two locking blocks, screw rods are movably connected to the inner walls of the telescopic grooves, and rotary knobs are fixedly connected to the other ends of the screw rods. The outer wall of the screw rod is in threaded connection with a moving plate, the upper end and the lower end of the moving plate are fixedly connected with linkage blocks, and the linkage blocks are located in the linkage grooves. According to the utility model, the two door plates are connected conveniently and quickly, the insertion plates are convenient to replace or maintain, and the influence on attractiveness caused by direct tapping on the side edges of the door plates is avoided.
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Description

Technical Field

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

[0002] Folding door is a furniture term, which is mainly suitable for partition purposes in workshops, shopping malls, office buildings, showrooms and home decoration, as well as screen purposes. It can be installed and used as both interior and exterior doors. It can effectively play the role of heat insulation, dust prevention, noise reduction, sound insulation, and shielding.

[0003] A folding door unit usually includes a door leaf, a door frame, connecting parts, etc. The connecting parts used in existing folding doors are usually hinges. To use hinges, it is necessary to drill holes in the side of the door panel in advance, and then fix the hinges to the door panel with multiple sets of bolts. The disassembly and assembly process is cumbersome, and the holes drilled in the side of the door panel make the door panel look less beautiful as a whole. At the same time, if the door panel is made of wooden panels, the threads will age and crack over time, causing the hinges to separate from the door panel. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a folding door unit and a folding door.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a folding door unit and a folding door, comprising a hinge, the inner wall of the hinge is movably connected with a rotating plate, and there are two rotating plates, the other ends of the two rotating plates are fixedly connected to the plug plate, the outer wall of the plug plate is installed with a cover plate, the outer wall of the cover plate is fixedly connected with a positioning block, and there are multiple positioning blocks, multiple positioning blocks are fixedly connected to the plug plate by bolts, the interior of the two plug plates is provided with a telescopic groove, the interior of the telescopic groove is provided with a locking block, and there are two locking blocks, the opposite ends of the two locking blocks are provided with a linkage groove, the inner wall of the telescopic groove is movably connected with a screw, the other end of the screw is fixedly connected with a knob, the outer wall of the screw is threadedly connected to the movable plate, the upper and lower ends of the movable plate are fixedly connected with the linkage block, and the linkage block is located inside the linkage groove.

[0006] As a further description of the above technical solution:

[0007] The two rotating plates are respectively located on both sides of the hinge, and opposite ends of the two rotating plates are both arc-shaped.

[0008] As a further description of the above technical solution:

[0009] The cross sections of the locking block and the movable plate are both T-shaped, a knob groove is provided on the outer wall of the cover plate, and the knob is located inside the knob groove.

[0010] As a further description of the above technical solution:

[0011] The opposite ends of the two adjacent locking blocks are inclined surfaces, the linkage block is tilted as a whole, and the upper and lower ends of the movable plate are inclined surfaces and are in contact with the locking blocks.

[0012] As a further description of the above technical solution:

[0013] The other end of the screw rod passes through the cover plate, and a groove is formed on the outer wall of the knob.

[0014] As a further description of the above technical solution:

[0015] A folding door comprises a door panel and the above-mentioned folding door unit. The outer wall of the door panel is provided with a plurality of slots, and the folding door units are installed inside the plurality of slots.

[0016] The utility model has the following beneficial effects:

[0017] 1. Connect the cover plate and the plug plate by multiple bolts. At this time, the two locking blocks are retracted in the expansion slots opened inside the plug plate, and the moving plate is in fit with the cover plate. When connecting the two folding doors, the two plug plates are respectively inserted into the slots opened at the same positions of the two folding doors, and then the screw is driven to rotate by turning the knob. Since the moving plate is threadedly connected to the screw, the moving plate moves in the direction away from the cover plate. When the moving plate moves, the two linkage blocks connected to its outer wall move along the linkage slots opened at the opposite ends of the two locking blocks, so that the two locking blocks move back to back toward the outside of the expansion slot until the locking blocks completely enter the locking slots in the slots on the outer wall of the door panel, so that the plug plate is installed on the door panel. When removing, turn the knob in the opposite direction. By the same principle, the plug plate and the door panel can be separated, which makes the connection of the two door panels convenient and quick. At the same time, it is easy to replace or maintain the plug plate, and avoids directly opening holes on the side of the door panel to affect the appearance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a folding door unit and a folding door proposed by the present invention from a first perspective;

[0019] Figure 2 This is a schematic diagram of a folding door unit and a folding door inserting plate structure proposed by the present invention;

[0020] Figure 3 This is a schematic diagram of a folding door unit and a telescopic slot structure of a folding door proposed by the present invention;

[0021] Figure 4 This is a schematic diagram of a folding door unit and a movable plate structure of the folding door proposed by the present invention;

[0022] Figure 5 This is a schematic diagram of the internal structure of a folding door unit and a folding door inserting plate proposed by the present invention;

[0023] Figure 6 The present invention provides a schematic diagram of a folding door unit and a locking groove structure of the folding door.

[0024] Legend:

[0025] 1. Hinge; 2. Rotating plate; 3. Insert plate; 4. Cover plate; 5. Positioning block; 6. Telescopic slot; 7. Locking block; 8. Linkage slot; 9. Screw; 10. Knob; 11. Moving plate; 12. Linkage block; 13. Knob slot; 14. Door panel; 15. Slot; 16. Locking slot. DETAILED DESCRIPTION

[0026] Reference Figure 1-6 The utility model provides a folding door unit and a folding door: it includes a hinge 1, the inner wall of the hinge 1 is movably connected with a rotating plate 2, and the number of the rotating plates 2 is two, the other ends of the two rotating plates 2 are fixedly connected with a plug plate 3, the outer wall of the plug plate 3 is installed with a cover plate 4, the outer wall of the cover plate 4 is fixedly connected with a positioning block 5, and the number of the positioning blocks 5 is multiple, and the multiple positioning blocks 5 are fixedly connected to the plug plate 3 by bolts, the interior of the two plug plates 3 is provided with a telescopic groove 6, the interior of the telescopic groove 6 is provided with a locking block 7, and the number of the locking blocks 7 is two, and the opposite ends of the two locking blocks 7 are provided with a linkage groove 8, the inner wall of the telescopic groove 6 is movably connected with a screw rod 9, the other end of the screw rod 9 is fixedly connected with a knob 10, the outer wall of the screw rod 9 is threadedly connected with a movable plate 11, the upper and lower ends of the movable plate 11 are fixedly connected with a linkage block 12, and the linkage block 12 is located inside the linkage groove 8.

[0027] The cover plate 4 is connected to the insert plate 3 by multiple bolts. At this time, the two locking blocks 7 are retracted into the telescopic slots 6 opened inside the insert plate 3, and the movable plate 11 is fitted with the cover plate 4. When connecting the two door panels 14, the two insert plates 3 are respectively inserted into the slots 15 opened at the same position of the two door panels 14. Then, the screw 9 is driven to rotate by turning the knob 10. Since the movable plate 11 is threadedly connected to the screw 9, the movable plate 11 moves in the direction away from the cover plate 4. When the movable plate 11 moves, it is connected to its outer wall. The two linkage blocks 12 move along the linkage grooves 8 opened at the opposite ends of the two locking blocks 7 respectively, so that the two locking blocks 7 move away from each other and toward the outside of the telescopic slot 6 until the locking blocks 7 completely enter the locking grooves 16 in the slots 15 on the outer wall of the door panel 14, so that the plug plate 3 is installed on the door panel 14. When removing, the knob 10 is rotated in the opposite direction. The same principle is used to separate the plug plate 3 from the door panel 14, making the connection between the two door panels 14 convenient and quick. At the same time, it is easy to replace or maintain the plug plate 3, and it is avoided that a hole is directly opened on the side of the door panel 14 to affect the appearance.

[0028] The two rotating plates 2 are respectively located on both sides of the hinge 1. The opposite ends of the two rotating plates 2 are arc-shaped. The cross-sections of the locking block 7 and the movable plate 11 are both T-shaped. The outer wall of the cover plate 4 is provided with a knob groove 13, and the knob 10 is located inside the knob groove 13.

[0029] The opposite ends of the two adjacent locking blocks 7 are both inclined, the linkage block 12 is tilted as a whole, the upper and lower ends of the movable plate 11 are both inclined, and are attached to the locking blocks 7, the other end of the screw 9 passes through the cover plate 4, and a groove is provided on the outer wall of the knob 10.

[0030] A folding door comprises a door panel 14 and the above-mentioned folding door unit. The outer wall of the door panel 14 is provided with a plurality of slots 15 , and the folding door units are installed inside the plurality of slots 15 .

[0031] Working principle: The cover plate 4 is connected to the insert plate 3 by multiple bolts. At this time, the two locking blocks 7 are retracted into the telescopic slots 6 opened inside the insert plate 3, and the movable plate 11 is fitted with the cover plate 4. When connecting the two door panels 14, the two insert plates 3 are respectively inserted into the slots 15 opened at the same position of the two door panels 14. Then, the screw 9 is rotated by turning the knob 10. Since the movable plate 11 is threadedly connected with the screw 9, the movable plate 11 moves in the direction away from the cover plate 4. When the movable plate 11 moves, it is in contact with the outer wall of the door panel 14. The two connected linkage blocks 12 move respectively along the linkage grooves 8 opened at the opposite ends of the two locking blocks 7, so that the two locking blocks 7 move away from each other and toward the outside of the telescopic slot 6 until the locking blocks 7 completely enter the locking grooves 16 in the slots 15 on the outer wall of the door panel 14, so that the plug plate 3 is installed on the door panel 14. When removing, the knob 10 is rotated in the opposite direction. The same principle is used to separate the plug plate 3 from the door panel 14, making the connection between the two door panels 14 convenient and quick. At the same time, it is easy to replace or maintain the plug plate 3, and avoid directly opening holes on the side of the door panel 14 to affect the appearance.

[0032] 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 replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A folding door unit, comprising a hinge (1), characterized in that: The inner wall of the hinge (1) is movably connected to a rotating plate (2), and there are two rotating plates (2). The other ends of the two rotating plates (2) are fixedly connected to an inserting plate (3). A cover plate (4) is installed on the outer wall of the inserting plate (3). A positioning block (5) is fixedly connected to the outer wall of the cover plate (4). There are multiple positioning blocks (5). The multiple positioning blocks (5) are fixedly connected to the inserting plate (3) by bolts. Telescopic slots (6) are provided inside the two inserting plates (3). A locking block (7) is installed inside (6), and there are two locking blocks (7). The opposite ends of the two locking blocks (7) are each provided with a linkage groove (8). The inner wall of the telescopic groove (6) is movably connected with a screw rod (9), and the other end of the screw rod (9) is fixedly connected with a knob (10). The outer wall of the screw rod (9) is threadedly connected with a movable plate (11), and the upper and lower ends of the movable plate (11) are both fixedly connected with linkage blocks (12), and the linkage block (12) is located inside the linkage groove (8).

2. A folding door unit according to claim 1, characterized in that: The two rotating plates (2) are respectively located on both sides of the hinge (1), and the opposite ends of the two rotating plates (2) are both arc-shaped.

3. The folding door unit according to claim 1, characterized in that: The cross sections of the locking block (7) and the movable plate (11) are both T-shaped, the outer wall of the cover plate (4) is provided with a knob groove (13), and the knob (10) is located inside the knob groove (13).

4. The folding door unit according to claim 1, characterized in that: The opposite ends of the two adjacent locking blocks (7) are both inclined surfaces, the linkage block (12) is tilted as a whole, and the upper and lower ends of the movable plate (11) are both inclined surfaces and are in contact with the locking blocks (7).

5. The folding door unit according to claim 1, characterized in that: The other end of the screw rod (9) passes through the cover plate (4), and a groove is formed on the outer wall of the knob (10).

6. A folding door comprising a door panel (14) and the folding door unit according to claim 1, characterized in that: The outer wall of the door panel (14) is provided with a slot (15), and the number of the slots (15) is multiple, and folding door units are installed inside the multiple slots (15).