A concealed two-way free door hinge
By designing a hidden two-way free door hinge, it uses wall panels, fixed panels, slide rail panels and other components for hidden installation, the problem of existing hinges that obviously affect the aesthetics is solved, and higher aesthetics and normal functions are achieved.
Patent Information
- Application Number
- CN202421458844.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-25
AI Technical Summary
The existing free door hinges are mainly surface-mounted and are not beautiful after installation, affecting the overall appearance of doors and windows.
A hidden two-way free door hinge is designed to realize the hidden installation of the hinge through wall panels, fixed panels, slide rails, rotating slide rails, guide shafts, connecting arms and other components, and enhance the aesthetics.
The hinge rotation axis is achieved close to the door frame, with a small working gap, and the free door can still work normally, greatly improving the aesthetics after installation.
Smart Images

Figure CN222716697U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hinges, in particular to a hidden two-way free door hinge. Background Art
[0002] Hinge, also known as hinge, is a mechanical device used to connect two solids and allow them to rotate relative to each other. Hinge is composed of movable components or foldable materials, and is mainly installed on doors, windows, and cabinets. Existing free door hinges are mainly surface-mounted hinges, which are divided into upper and lower types and two-sided types. Among them, the upper and lower types are hinges installed at the top and bottom of the door, and the door can be opened and closed in both directions through a connecting arm and a rotating shaft, while the two-sided hinge is installed between the door and the door frame, and a rotating shaft is exposed on both sides of the door leaf to realize the free opening of the door. Both types of hinges can be seen after installation, which is very unsightly after the hinge is installed. Utility Model Content
[0003] The purpose of the utility model is to provide a hidden two-way free door hinge to solve the problem that the existing free door hinges mentioned in the above background technology are mainly exposed hinges, which are divided into upper and lower types and two-sided types. The upper and lower types are hinges installed at the top and bottom of the door, and the door can be opened and closed in both directions through a connecting arm and a rotating shaft, while the two-sided type hinges are installed between the door and the door frame, and a rotating shaft is exposed on both sides of the door leaf to realize the free opening of the door. However, the hinges of both types can be seen after installation, which is very unsightly after the hinges are installed.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hidden two-way free door hinge, comprising a wall panel, two fixing plates are installed on one side of the wall panel by bolts, one side of the two fixing plates is fixedly connected with a slide rail plate, a rotating slide rail is provided inside the slide rail plate, two guide shafts are movably connected inside the rotating slide rail, a limiting flange is installed on the outer side of the guide shaft, a connecting arm is fixedly connected to the outer side of the guide shaft, one side of the connecting arm is fixedly connected to a mounting side plate, one side of the wall panel is fixedly connected to a decorative cover, one side of the decorative cover is provided with a mounting side seat, one side of the mounting side seat is fixedly connected to a two-way free door body, One side of the mounting side seat is provided with four mounting side grooves that cooperate with the mounting side plate, the interior of the mounting side groove is fixedly connected with an mounting box, one side of the mounting side plate is provided with a side mounting groove that cooperates with the mounting box, the inner side of the side mounting groove is provided with a mounting card slot, the interior of the mounting box is slidably connected with a movable slide, one side of the movable slide is fixedly connected with a mounting card plate that cooperates with the mounting card slot, the mounting card plate is slidably connected to the mounting box, one side of the fixed plate is symmetrically provided with a tension spring, one end of the tension spring is wound around the outer side of the guide shaft, and the other end of the tension spring is fixedly connected to the fixed plate, and one side of the decorative cover is symmetrically provided with a storage slot that cooperates with the connecting arm.
[0005] As a preferred solution of the utility model: the internal rotation of the mounting side seat is connected with an adjusting screw rod, the outer side of the adjusting screw rod is threadedly connected with two movable sliders, one side of the movable slider is fixedly connected to the movable slide plate, and the movable slider is slidably connected to the mounting side seat.
[0006] As a preferred solution of the utility model: the interior of the mounting side seat is rotatably connected with a rotating rod, and the top end of the adjusting screw rod is fixedly connected to the rotating rod.
[0007] As a preferred solution of the utility model: a movable top groove is opened on the top of the mounting side seat, a rotating screw block is rotatably connected inside the movable top groove, and the top end of the rotating rod is fixedly connected to the rotating screw block.
[0008] As a preferred solution of the utility model: a concealed brush is fixedly connected to the inner side of the storage slot.
[0009] As a preferred solution of the utility model: a reinforcing plate is fixedly connected to the bottom of the slide rail plate, and one side of the reinforcing plate is fixedly connected to the fixing plate.
[0010] Compared with the prior art, the beneficial effects of the utility model are: the hinge rotation axis of the utility model is close to the door frame, the working clearance of the hinge is small, the free door can still work normally, and the aesthetics after installation is greatly improved. By setting the mounting card plate and the mounting card slot, the mounting card plate and the mounting card slot are installed and fixed, and the mounting side panel is installed and fixed on the outside of the mounting box, so that the mounting side panel and the mounting side seat are installed and fixed, thereby completing the installation and fixation of the two-way free door body, the mounting side seat and the connecting arm, and the two-way free door body drives the connecting arm to be synchronously moved and adjusted, and by setting a rotating slide rail, the guide shaft is moved and adjusted along the guide of the rotating slide rail in the rotating slide rail, and the two-way free door body is opened and closed. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 This is a schematic diagram of the internal structure of the utility model;
[0012] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;
[0013] Figure 3 This is a top view of the slide rail plate of the utility model;
[0014] Figure 4 This is a diagram showing the opening and closing structure of the two-way free door body of the utility model;
[0015] Figure 5 This is a schematic diagram of the explosion structure of the utility model;
[0016] Figure 6 This is a schematic diagram of the folding structure of the utility model;
[0017] Figure 7 It is a schematic diagram of the overall structure of the utility model.
[0018] In the figure: 1. wall panel; 2. fixed plate; 3. reinforcement plate; 4. slide rail plate; 5. rotating slide rail; 6. guide shaft; 7. limit flange; 8. connecting arm; 9. tension spring; 10. installation side seat; 11. two-way free door body; 12. installation side plate; 13. installation side groove; 14. installation box; 15. movable slide plate; 16. installation card plate; 17. installation card groove; 18. movable slider; 19. adjustment screw; 20. rotating rod; 21. rotating screw block; 22. movable top groove; 23. decorative cover; 24. storage slot; 25. hidden brush; 26. side installation groove. DETAILED DESCRIPTION
[0019] 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.
[0020] See also Figures 1 to 7 The utility model provides a technical solution: a hidden two-way free door hinge, including a wall panel 1, two fixed plates 2 are installed on one side of the wall panel 1 by bolts, one side of the two fixed plates 2 are fixedly connected with a slide rail plate 4, a rotating slide rail 5 is provided inside the slide rail plate 4, the rotating slide rail 5 is movably connected with two guide shafts 6, the outer side of the guide shaft 6 is installed with a limiting flange 7, the outer side of the guide shaft 6 is fixedly connected with a connecting arm 8, one side of the connecting arm 8 is fixedly connected with a mounting side plate 12, one side of the wall panel 1 is fixedly connected with a decorative cover 23, one side of the decorative cover 23 is provided with a mounting side seat 10, one side of the mounting side seat 10 is fixedly connected with a two-way free door body 11, one side of the mounting side seat 10 is provided with four mounting side grooves 13 cooperating with the mounting side plate 12, the inside of the mounting side groove 13 is fixedly connected with a mounting box 14, and one side of the mounting side plate 12 is provided with a A side mounting groove 26 cooperates with the mounting box 14, and a mounting card groove 17 is opened on the inner side of the side mounting groove 26. A movable slide plate 15 is slidably connected to the inside of the mounting box 14. A mounting card plate 16 that cooperates with the mounting card groove 17 is fixedly connected to one side of the movable slide plate 15. The mounting card plate 16 is slidably connected to the mounting box 14. A tension spring 9 is symmetrically arranged on one side of the fixed plate 2. One end of the tension spring 9 is wound around the outer side of the guide shaft 6, and the other end of the tension spring 9 is fixedly connected to the fixed plate 2. A storage groove 24 that cooperates with the connecting arm 8 is symmetrically opened on one side of the decorative cover 23. The mounting side seat 10 drives one of the connecting arms 8 and the guide shaft 6 to move. The guide shaft 6 moves in the rotating slide rail 5. The guide shaft 6 pulls the tension spring 9, and the other guide shaft 6 and the connecting arm 8 rotate. The other guide shaft 6 remains in place, and the mounting side seat 10 and the two-way free door body 11 are opened and closed.
[0021] Among them, the internal rotation of the mounting side seat 10 is connected with an adjusting screw rod 19, and the outer side of the adjusting screw rod 19 is threadedly connected with two movable sliders 18, one side of the movable slider 18 is fixedly connected to the movable slide plate 15, and the movable slider 18 is slidably connected to the mounting side seat 10. When the adjusting screw rod 19 rotates, it drives the outer movable slider 18 to move, and the movable slider 18 drives the two movable slide plates 15 on one side to move, thereby moving the movable slide plate 15 and the mounting card plate 16, and the mounting card plate 16 enters the mounting card groove 17, and the mounting side plate 12 and the mounting box 14 are installed and fixed, and the mounting side plate 12 is installed and fixed in the mounting side groove 13, and the connecting arm 8 is installed with the mounting side seat 10 and the two-way free door body 11, and the mounting side seat 10 is rotated, and the mounting side seat 10 drives one of the connecting arms 8 and the guide shaft 6 to move.
[0022] The mounting side seat 10 is internally rotatably connected with a rotating rod 20 , and the top end of the adjusting screw rod 19 is fixedly connected to the rotating rod 20 .
[0023] Among them, a movable top groove 22 is opened at the top of the mounting side seat 10, and a rotating screw block 21 is rotatably connected inside the movable top groove 22. The top end of the rotating rod 20 is fixedly connected to the rotating screw block 21. By rotating the rotating screw block 21 in the movable top groove 22, the rotating screw block 21 drives the rotating rod 20 and the adjusting screw 19 at the bottom to rotate and adjust.
[0024] Among them, a hidden brush 25 is fixedly connected to the inner side of the storage slot 24, and the hidden brush 25 conceals the inside of the storage slot 24. A hidden brush 25 of appropriate length is installed inside the storage slot 24 to ensure that when the connecting arm 8 is reset, the storage slot 24 is blocked by the hidden brush 25 without affecting the appearance.
[0025] The bottom of the slide rail plate 4 is fixedly connected with a reinforcing plate 3 , one side of the reinforcing plate 3 is fixedly connected with the fixing plate 2 , and the reinforcing plate 3 is used to ensure the overall stability of the slide rail plate 4 and the fixing plate 2 .
[0026] Specifically, when in use, by rotating the rotating block 21, the rotating block 21 drives the rotating rod 20 and the adjusting screw 19 to rotate and adjust, and the adjusting screw 19 drives the outer movable slider 18 to move when the adjusting screw 19 rotates, and the movable slider 18 drives the two movable slides 15 on one side to move, so as to move the movable slide 15 and the installation card plate 16, and the installation card plate 16 enters the installation card groove 17, and the installation side plate 12 and the installation box 14 are installed and fixed, and the installation side plate 12 is installed and fixed in the installation side groove 13, and the connecting arm 8 is connected with the installation The side seat 10 and the two-way free door body 11 are installed, and the side seat 10 is rotated. The side seat 10 drives one of the connecting arms 8 and the guide shaft 6 to move. The guide shaft 6 moves in the rotating slide rail 5. The guide shaft 6 pulls the tension spring 9, and the other guide shaft 6 and the connecting arm 8 rotate. The other guide shaft 6 remains in place, and the hidden brush 25 is used to conceal the storage slot 24. A hidden brush 25 of appropriate length is installed inside the storage slot 24 to ensure that when the connecting arm 8 is reset, the storage slot 24 is blocked by the hidden brush 25 without affecting the appearance.
[0027] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0028] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.
[0029] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.
[0030] 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 concealed two-way free door hinge, comprising a wall panel (1), characterized in that: Two fixing plates (2) are installed on one side of the wall panel (1) by bolts, and one side of the two fixing plates (2) is fixedly connected to a slide rail plate (4), and a rotating slide rail (5) is provided inside the slide rail plate (4). Two guide shafts (6) are movably connected inside the rotating slide rail (5), and a limiting flange (7) is installed on the outer side of the guide shaft (6). A connecting arm (8) is fixedly connected to the outer side of the guide shaft (6), and one side of the connecting arm (8) is fixedly connected to a mounting side plate (12). One side of the wall panel (1) is fixedly connected to a decorative cover (23), and one side of the decorative cover (23) is provided with a mounting side seat (10), and one side of the mounting side seat (10) is fixedly connected to a two-way free door body (11), and one side of the mounting side seat (10) is provided with four mounting side grooves ( 13), the interior of the installation side groove (13) is fixedly connected with an installation box (14), one side of the installation side plate (12) is provided with a side installation groove (26) that matches the installation box (14), the inner side of the side installation groove (26) is provided with an installation card groove (17), the interior of the installation box (14) is slidably connected with a movable slide plate (15), one side of the movable slide plate (15) is fixedly connected with an installation card plate (16) that matches the installation card groove (17), the installation card plate (16) is slidably connected to the installation box (14), one side of the fixed plate (2) is symmetrically provided with a tension spring (9), one end of the tension spring (9) is wound around the outer side of the guide shaft (6), and the other end of the tension spring (9) is fixedly connected to the fixed plate (2), and one side of the decorative cover (23) is symmetrically provided with a storage slot (24) that matches the connecting arm (8).
2. A concealed two-way free door hinge according to claim 1, characterized in that: The mounting side seat (10) is internally rotatably connected with an adjusting screw rod (19), and the outer side of the adjusting screw rod (19) is threadedly connected with two movable sliders (18), one side of the movable slider (18) is fixedly connected to the movable slide plate (15), and the movable slider (18) is slidably connected to the mounting side seat (10).
3. A concealed two-way free door hinge according to claim 2, characterized in that: The interior of the mounting side seat (10) is rotatably connected to a rotating rod (20), and the top end of the adjusting screw rod (19) is fixedly connected to the rotating rod (20).
4. A concealed two-way free door hinge according to claim 3, characterized in that: A movable top groove (22) is provided on the top of the mounting side seat (10), a rotating screw block (21) is rotatably connected inside the movable top groove (22), and the top end of the rotating rod (20) is fixedly connected to the rotating screw block (21).
5. A concealed two-way free door hinge according to claim 1, characterized in that: A concealed brush (25) is fixedly connected to the inner side of the storage slot (24).
6. A concealed two-way free door hinge according to claim 1, characterized in that: The bottom of the slide rail plate (4) is fixedly connected to a reinforcing plate (3), and one side of the reinforcing plate (3) is fixedly connected to the fixing plate (2).