Hidden hinge structure

Abstract

The utility model relates to the technical field of door and window accessories, and particularly discloses a hidden hinge structure which comprises a shaft core mounting seat, an adjusting support unit is embedded in the shaft core mounting seat, the adjusting support unit is hinged to one side of a shaft core hinge arm module, and the other side of the shaft core hinge arm module is detachably connected with a fixing piece seat. According to the hidden hinge structure, the shaft core mounting seat is embedded and mounted in the door frame, the fixing sheet seat can be detached and replaced according to different door leaf thicknesses, the fixing sheet seat is sheet-shaped, the side face of the door leaf does not need to be slotted for mounting, and the fixing sheet seat and the door leaf can be directly fixed, so that the hidden hinge structure adapts to the door leaves with different thicknesses and is more suitable for mounting of various door leaves.

Description

Technical Field

[0001] The utility model relates to the technical field of door and window accessories, in particular to a concealed hinge structure. Background Art

[0002] There are many types of hidden hinges on the market, which are used in common swing doors, such as wooden doors, metal frame doors, and glass doors.

[0003] Traditional concealed hinge installation requires deep grooves cut into both the side and doorframe of a swing door. In recent years, ultra-narrow aluminum-framed doors have become popular. These doors consist of an aluminum alloy frame with a central panel made of laminated or tempered glass. Due to the extremely thin thickness of ultra-narrow aluminum-framed doors, typically between 20-30mm, traditional concealed hinges are limited in size and cannot be slotted into the side or doorframe for installation. Furthermore, the mounting brackets on the side of the hinge cannot be replaced, requiring purchase of concealed hinges in varying widths. Consequently, traditional concealed hinges cannot be installed and adapted to the various sizes of ultra-narrow aluminum-framed doors. Utility Model Content

[0004] In order to overcome the defects of the prior art, the utility model provides a hidden hinge structure to solve the above problems.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a hidden hinge structure, including an axis core mounting seat, an adjustment bracket unit embedded in the axis core mounting seat, the adjustment bracket unit is hinged to one side of the axis core articulated arm module, and the other side of the axis core articulated arm module is detachably connected to a fixed plate seat.

[0006] In the above-mentioned hidden hinge structure, the axis core articulated arm module includes an axis core, both ends of the axis core are hinged to the adjustment bracket unit, the outer wall of the axis core is connected to one side of the first swing arm seat, the other side of the first swing arm seat is hinged to the second swing arm seat, and the side of the second swing arm seat away from the first swing arm seat is detachably connected to the fixed plate seat.

[0007] In the above-mentioned hidden hinge structure, the fixed plate seat includes a main body, and mounting plates are provided at both ends of the main body. A first strip hole is provided on the mounting plate, and a swing arm seat mounting groove corresponding to the second swing arm seat is formed between the mounting plates at both ends. Corresponding screw holes are provided on the second swing arm seat and the swing arm seat mounting groove.

[0008] In the above-mentioned hidden hinge structure, an axis core fixing cavity is provided inside the axis core mounting seat, and bracket fixing seats are provided at both ends of the inner wall of the axis core fixing cavity. The adjustment bracket unit includes a bracket seat, and the bracket seat is hinged at both ends of the axis core. The bracket seats at both ends are connected by a connecting frame, and the connecting frame is embedded in the axis core fixing cavity. An adjustment seat is vertically provided on the bracket seat, and a second strip hole is opened on the adjustment seat. The second strip hole is connected to the bracket fixing seat by screws.

[0009] The above-mentioned hidden hinge structure also includes a cover plate, both ends of which are provided with cover bodies corresponding to the bracket seat and the adjustment seat, and an opening corresponding to the axis core articulated arm module is provided between the cover bodies at both ends.

[0010] The beneficial effect of the present invention is that the shaft core mounting seat is embedded and installed in the door frame, and the fixing plate seat can be removed and replaced according to the different door leaf thicknesses. Moreover, the fixing plate seat is in the shape of a sheet and does not need to be grooved on the side of the door leaf for installation. The fixing plate seat can be directly fixed to the door leaf, thereby adapting to door leaves of different thicknesses and being more suitable for the installation of a variety of door leaves. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 Schematic diagram of the exploded structure of the hidden hinge structure of this embodiment.

[0012] Figure 2 Schematic diagram of the three-dimensional structure of the hidden hinge structure of this embodiment.

[0013] Figure 3 This is a schematic diagram of the three-dimensional structure of the shaft core mounting base and the shaft core articulated arm module.

[0014] Figure 4 It is a schematic diagram of the three-dimensional structure of the fixed plate seat and the second swing arm seat.

[0015] In the figure: shaft core mounting seat 1, shaft core fixing cavity 2, connecting frame 3, adjustment bracket unit 4, shaft core articulated arm module 5, fixing plate seat 6, swing arm seat mounting groove 7, first strip hole 8, cover plate 9, bracket fixing seat 10, bracket seat 11, adjustment seat 12, second strip hole 13, shaft core 14, first swing arm seat 15, second swing arm seat 16. DETAILED DESCRIPTION

[0016] The following further describes specific embodiments of the present invention in conjunction with the accompanying drawings. It should be noted that the descriptions of these embodiments are intended to aid understanding of the present invention and do not constitute limitations on the present invention. Furthermore, the technical features involved in the various embodiments of the present invention described below may be combined with one another as long as they do not conflict with one another.

[0017] Combine Figures 1 to 4A hidden hinge structure shown includes an axis core mounting seat 1, an adjusting bracket unit 4 is embedded and installed inside the axis core mounting seat 1, the adjusting bracket unit 4 is hinged to one side of the axis core articulated arm module 5, and the other side of the axis core articulated arm module 5 is detachably connected to a fixing plate seat 6; in this embodiment, the axis core mounting seat 1 is embedded and installed in the door frame, and the fixing plate seat 6 can be removed and replaced according to the different thicknesses of the door leaves, and the fixing plate seat 6 is in the shape of a sheet, and does not need to be grooved on the side of the door leaf for installation. The fixing plate seat 6 can be directly fixed to the door leaf, thereby adapting to door leaves of different thicknesses and being more suitable for the installation of multiple door leaves.

[0018] It is worth noting that the width of the fixing plate seat 6 of this embodiment is 20-30 mm and the thickness is 3-10 mm. Since the shaft core articulated arm module 5 is installed in the shaft core mounting seat 1, the thickness of the shaft core mounting seat 1 is thicker than the fixing plate seat 6. Therefore, during actual construction, the shaft core mounting seat 1 needs to be grooved and embedded in the door frame for installation, while the fixing plate seat 6 can be directly installed on the side surface of the door leaf.

[0019] The axis core articulated arm module 5 of this embodiment includes an axis core 14, both ends of which are hinged to the adjustment bracket unit 4, the outer wall of the axis core 14 is connected to one side of the first swing arm seat 15, and the other side of the first swing arm seat 15 is hinged with the second swing arm seat 16, and the side of the second swing arm seat 16 away from the first swing arm seat 15 is detachably connected to the fixed plate seat 6; the axis core 14 can be driven by the adjustment bracket unit 4 to adjust the position, so that the fixed plate seat 6 drives the door leaf to be adjusted.

[0020] The fixing plate seat 6 of this embodiment includes a main body, and mounting plates are provided at both ends of the main body. A first strip hole 8 is provided on the mounting plate, and a swing arm seat mounting groove 7 corresponding to the second swing arm seat 16 is formed between the mounting plates at both ends. Corresponding screw holes are provided on the second swing arm seat 16 and the swing arm seat mounting groove 7; the first strip hole 8 is arranged horizontally, and the installation position of the door leaf can be fine-tuned through the first strip hole 8 so that the gap between the door leaf and the door frame can be adjusted. The second swing arm seat 16 in the swing arm seat mounting groove 7 can prevent movement between the two and effectively improve stability, and then it is fixed through the screw hole to make it more firm.

[0021] The shaft core mounting seat 1 of this embodiment is provided with a shaft core fixing cavity 2 inside, and bracket fixing seats 10 are provided at both ends of the inner wall of the shaft core fixing cavity 2. The adjusting bracket unit 4 includes a bracket seat 11, and the bracket seat 11 is hinged at both ends of the shaft core 14. The bracket seats 11 at both ends are connected by a connecting frame 3, and the connecting frame 3 is embedded in the shaft core fixing cavity 2. An adjusting seat 12 is vertically provided on the bracket seat 11, and a second strip hole 13 is opened on the adjusting seat 12. The second strip hole 13 is connected to the bracket fixing seat 10 by screws; wherein, the second strip hole 13 is vertically provided, and the shaft core 14 is installed in the shaft core fixing cavity 2 through the adjusting bracket unit 4. After the shaft core mounting seat 1 is embedded and fixed in the door frame, the height of the entire bracket seat 11 can be adjusted by using the second strip hole 13, so that the fixing plate seat 6 drives the door leaf to be adjusted.

[0022] It is also worth mentioning that the hidden hinge structure of this embodiment also includes a cover plate 9, both ends of which are provided with cover bodies corresponding to the bracket seat 11 and the adjustment seat 12, and an opening corresponding to the axis core articulated arm module 5 is provided between the cover bodies at both ends; the length of the cover plate 9 is the same as the slot length of the door frame. After the axis core mounting seat 1 is embedded and fixed in the door frame, the cover plate 9 can be placed in the groove of the door frame to cover and protect the bracket seat 11 and the adjustment seat 12.

[0023] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It is apparent to those skilled in the art that various changes, modifications, substitutions, and variations to these embodiments may be made without departing from the principles and spirit of the present invention, and these changes and modifications still fall within the scope of protection of the present invention.

Claims

1. A concealed hinge structure, comprising an axis core mounting seat (1), characterized in that: An adjusting bracket unit (4) is embedded and installed inside the shaft core mounting seat (1), and the adjusting bracket unit (4) is hinged to one side of the shaft core articulated arm module (5), and the other side of the shaft core articulated arm module (5) is detachably connected to a fixing plate seat (6).

2. A hidden hinge structure according to claim 1, characterized in that: The axis-core articulated arm module (5) comprises an axis-core (14), both ends of the axis-core (14) are hinged to the adjustment bracket unit (4), an outer wall of the axis-core (14) is connected to one side of a first swing arm seat (15), the other side of the first swing arm seat (15) is hinged to a second swing arm seat (16), and a side of the second swing arm seat (16) away from the first swing arm seat (15) is detachably connected to the fixed plate seat (6).

3. A hidden hinge structure according to claim 2, characterized in that: The fixing plate seat (6) includes a main body, and mounting plates are provided at both ends of the main body. A first strip hole (8) is provided on the mounting plate. A swing arm seat mounting groove (7) corresponding to the second swing arm seat (16) is formed between the mounting plates at both ends. Corresponding screw holes are provided on the second swing arm seat (16) and the swing arm seat mounting groove (7).

4. The hidden hinge structure according to claim 2, characterized in that: An axis core fixing cavity (2) is provided inside the axis core mounting seat (1), and bracket fixing seats (10) are provided at both ends of the inner wall of the axis core fixing cavity (2). The adjustment bracket unit (4) includes a bracket seat (11), and the bracket seat (11) is hinged at both ends of the axis core (14). The bracket seats (11) at both ends are connected by a connecting frame (3), and the connecting frame (3) is embedded in the axis core fixing cavity (2). An adjustment seat (12) is vertically provided on the bracket seat (11), and a second strip hole (13) is opened on the adjustment seat (12). The second strip hole (13) is connected to the bracket fixing seat (10) by screws.

5. The hidden hinge structure according to claim 4, characterized in that: It also includes a cover plate (9), both ends of which are provided with cover bodies corresponding to the bracket seat (11) and the adjustment seat (12), and an opening corresponding to the axis core articulated arm module (5) is provided between the cover bodies at the two ends.

Images