A concealed hinge for easy installation
Patent Information
- Application Number
- CN202522111364.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-30
- Publication Date
- 2026-09-04
- Estimated Expiration
- 2035-09-30
AI Technical Summary
但现在市场上的暗铰链,安装时需要将门和门框对准后再将其固定在门框与门板上,安装较为麻烦,安装精度无法得到保障
[0007]与现有技术相比,本实用新型的优点在于: 本一种方便安装的暗铰链,门框件和门锁件可拆分安装,便于安装拆卸,节约人工且安装精度高。
Smart Images

Figure CN224717555U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of hinges, specifically a concealed hinge that is easy to install. Background Technology
[0002] Concealed hinges are hidden hinges that achieve complete concealment by embedding the bearing structure into the door frame. When closed, no hardware components are visible, primarily used to enhance aesthetics and security. However, current concealed hinges on the market require careful alignment of the door and door frame before installation, making installation cumbersome and compromising accuracy. Summary of the Invention
[0003] In view of the defects of existing concealed hinges, the technical problem to be solved by this utility model is to provide a concealed hinge that is easy to install, can be disassembled, is easy to install and disassemble, saves labor and has high installation accuracy.
[0004] To achieve the above objectives, according to one aspect of the present invention, the present invention is implemented through the following technical measures: a concealed hinge that is easy to install, comprising a door frame component and a door lock component, wherein the door frame component includes a fixed box and a rotating piece, the fixed box is provided with fixed parts at both ends, a hinge shaft is provided inside the fixed box, one end of the rotating piece is hinged to the fixed box through the hinge shaft, and the other end is provided for detachable connection with the door lock component, and the door lock component is provided with a plurality of fixing holes.
[0005] Furthermore, the rotating plate is provided with a fixed shaft, the upper end of the fixed shaft is provided with a spindle, and a limiting part B is provided at the connection between the spindle and the fixed shaft. The door lock is provided with a bushing, and the bushing is provided with a limiting part A. The bushing cooperates with the spindle for positioning, and the limiting part A and the limiting part B cooperate for limiting.
[0006] Furthermore, the limiting part A and the limiting part B are several protrusions, and the limiting part A and the limiting part B engage to limit the movement.
[0007] Compared with the prior art, the advantages of this utility model are: This is a concealed hinge that is easy to install, and the door frame and door lock parts can be installed separately, which is convenient for installation and disassembly, saves labor and has high installation accuracy. Attached Figure Description
[0008] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings: Figure 1 This is a schematic diagram of the structure of a concealed hinge that is easy to install according to the present invention; Figure 2 This is an exploded view of a concealed hinge that is easy to install, as described in this utility model.
[0009] Explanation of reference numerals in the attached drawings: 1. Door frame component; 2. Door lock component; 3. Fixing box; 4. Rotating piece; 5. Hinge shaft; 6. Fixing part; 7. Hinge part; 8. Fixing shaft; 9. Shaft; 10. Limiting part B; 11. Fixing hole; 12. Bushing; 13. Limiting part A. Detailed Implementation
[0010] The present invention will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in the present application can be combined with each other.
[0011] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0012] Please refer to Figure 1 , Figure 2 This embodiment provides a concealed hinge that is easy to install, including a door frame component 1 and a door lock component 2. The door frame component 1 includes a fixing box 3, a rotating piece 4, and a hinge shaft 5. The fixing box 3 is preferably an open square box shape, with fixing parts 6 at both the top and bottom. The door frame component 1 is fixed and concealed inside the door frame through the fixing parts 6. The fixing box 3 has a hinge hole for connecting the hinge shaft 5. The rotating piece 4 is preferably a quarter-cylinder shape, with a hinge part 7 at one end and a fixing shaft 8 at the other end. The hinge part 7 is connected to the door frame. The hinge shaft 5 and the fixed box 3 are hinged together. The upper end of the fixed shaft 8 is provided with a shaft center 9. A limiting part B10 is provided at the connection between the shaft center 9 and the fixed shaft 8. The door lock 2 is provided with several fixing holes 11. The door lock 2 is fixed to the side of the door through the fixing holes 11 and rotates. A bushing 12 is fixed on the door lock 2. A limiting part A13 is provided at one end of the bushing 12. The limiting part A13 and the limiting part B10 are several protrusions. The top of the protrusions is preferably a plane. The limiting parts A13 and B10 are engaged and limited.
[0013] This embodiment provides a concealed hinge that is easy to install. During installation, after measuring the dimensions, fix the door frame 1 inside the door frame, and then fix the door lock 2 to the accurate position on the door panel. Align the bushing 12 of the door lock 2 with the axis 9 of the door frame 1 and lower it. The limiting part A13 and the limiting part B10 will engage with each other to complete the installation. If there is no proper limiting after placement (the limiting part A13 and the limiting part B10 are not aligned), simply rotate the door panel to align the limiting parts and make them engage. After installation, the door lock 2 will rotate, causing the rotating piece 4 to rotate, thus opening and closing the door panel.
[0014] This embodiment provides a concealed hinge that is easy to install. The installation operation is convenient, and the accuracy can be determined by fixing the position. There is no need to worry about the position shift during the installation and fixing process. If disassembly is required, simply lift the door upward to disengage the limiting part A13 and the limiting part B10 to complete the disassembly.
[0015] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various changes and modifications can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A concealed hinge that is easy to install, characterized in that: The door frame (1) and door lock (2) are included. The door frame (1) includes a fixed box (3) and a rotating piece (4). The fixed box (3) has a fixed part (6) at both the top and bottom. The fixed box (3) has a hinge shaft (5) inside. One end of the rotating piece (4) is hinged to the fixed box (3) through the hinge shaft (5), and the other end is detachably connected to the door lock (2). The door lock (2) has several fixing holes (11).
2. The concealed hinge for easy installation according to claim 1, characterized in that: The rotating plate (4) is provided with a fixed shaft (8), the upper end of the fixed shaft (8) is provided with a shaft center (9), and a limiting part B (10) is provided at the connection between the shaft center (9) and the fixed shaft (8). The door lock (2) is provided with a bushing (12), and a limiting part A (13) is provided on the bushing (12). The bushing (12) cooperates with the shaft center (9) for positioning, and the limiting part A (13) and the limiting part B (10) cooperate for limiting.
3. The concealed hinge for easy installation according to claim 2, characterized in that: The limiting part A (13) and the limiting part B (10) are several protrusions, and the limiting part A (13) and the limiting part B (10) engage and limit each other.