Hidden hinge mounting device for vertical hinged door
By designing a hidden hinge installation device, using structures such as folding ports, fixing frames and adjustment blocks, the problems of poor aesthetics and uneven stress on traditional hinge are solved, and the hinge and uniform stress on the hinge are achieved, and the adjustment function is provided to adapt to the error of the door leaf.
Patent Information
- Application Number
- CN202421401659.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-06-19
AI Technical Summary
The traditional hinge structure has poor aesthetics, uneven stress at the connection, which is prone to deformation, and processing errors in the door frame and door leaf will cause the door lock to be locked.
A hidden hinge installation device is designed, which adopts structures such as fixing frame plate, folding port, fixing frame, mounting cylinder, adjustment block and limit sleeve. Through the cooperation of the machine wire screw and the top wire, the hinge and uniform force are achieved, and the adjustment function is provided to adapt to the error of the door leaf.
Effectively avoid the hinge protruding and improve aesthetics; ensure uniform stress on the hinge and avoid deformation; through the adjustment function, ensure that the door lock can be locked smoothly.
Smart Images
Figure CN222772073U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hinges, in particular to a hidden hinge installation device for a flat door. Background Art
[0002] In order to make the door frame and door panel of the swing door movably connected, it is necessary to use a hinge to connect the door frame and door panel. However, the traditional hinge structure is simple, and a part of the hinge is protruding and exposed, resulting in poor aesthetics. In addition, the connection of the traditional hinge adopts a fixed screw connection method, which is unevenly stressed and easily deformed after being used for a long time, resulting in the door and door frame cannot be opened and closed smoothly. The existing door and door frame are processed separately and then combined together during installation. If the error between the two is large, it will cause the door lock to fail to lock when closing the door. Utility Model Content
[0003] The purpose of the utility model is to provide a hidden hinge installation device for a flat door to solve the problems raised in the above-mentioned background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hidden hinge installation device for a swing door, comprising a fixed frame plate, a folding opening is provided in the middle of the fixed frame plate, a fixing frame is fixedly connected at two right corners of the folding opening, a mounting tube is provided between the two fixing frames, a machine screw is provided at the lower end of the fixed frame plate, a top screw is provided at the upper end of the fixed frame plate, a plurality of adjusting blocks are fixedly connected to the side end of each adjusting block, a fixing piece is fixedly connected to the inside of the limiting sleeve, a rotating piece is provided between the fixing piece and the limiting sleeve, the side end of the rotating piece is fixedly connected to the fixing plate, the side end of the fixing plate is fixedly connected to the connecting plate, a back plate is provided in the folding opening, the connecting plate is slidably connected to the side end of the back plate, and a blocking ring is provided at the upper end of the limiting sleeve.
[0005] Preferably, both ends of the machine screw pass through the mounting tube and two fixing frames, and the upper end of the machine screw and the lower end of the top screw are close together.
[0006] Preferably, a plurality of fixing holes are provided in the middle of the back plate, the fixing holes correspond to the adjustment blocks one by one, the connecting plate is fixedly connected to the fixing holes by screws, and the length of the adjustment block gradually increases from top to bottom.
[0007] Preferably, the upper end of the limiting sleeve is an arc-shaped structure, the lower end of the limiting sleeve is a disc-shaped structure, and the middle of the fixing member is a columnar structure, and the columnar structure and the limiting sleeve are coaxial.
[0008] Preferably, the rotating member is an arc-shaped structure, the rotating member and the fixed member partially overlap each other, and the rotating member and the fixed member are coaxial.
[0009] Preferably, two blocking blocks are fixedly connected to the side ends of the fixing member, the top ends of the blocking blocks are low against the inner wall of the rotating member, and limiting protrusions are fixedly connected to the inner walls on both sides of the rotating member.
[0010] Preferably, a threaded hole is provided in the middle of the fixing piece, a fixing bolt is threadedly connected to the middle of the threaded hole, and both ends of the fixing bolt pass through the blocking ring.
[0011] Compared with the prior art, the utility model has the following beneficial effects: 1. A folding opening is arranged inside the fixed frame plate, and when the door is closed, the back plate can be retracted into the folding opening, thereby effectively avoiding the problem of hinge protrusion and improving the aesthetics;
[0012] Second, the hidden hinge solution uses fixed screws and back plate slots to fix the hinge, which makes the force more stable and uniform, avoiding deformation after long-term use;
[0013] 3. The hidden hinge has an adjustment function. When there is an error in the door leaf processing, the rotating part can be inserted into the limit sleeve at different positions, and fine-tuning can be performed through the hinge's built-in adjustment function to ensure that the door lock is automatically locked when the door is closed. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the fixed frame plate.
[0015] Figure 2 This is a schematic diagram of the connection between the fixed frame plate and the machine screws.
[0016] Figure 3 It is a schematic diagram of the connection between the limit sleeve and the rotating part.
[0017] Figure 4 This is a schematic diagram of the connection between the installation tube and the back plate.
[0018] In the figure: 1 fixed frame plate, 2 folding mouth, 3 fixed frame, 4 mounting tube, 5 adjustment block, 6 top screw, 7 machine screw, 8 limit sleeve, 9 fixing part, 10 threaded hole, 11 blocking block, 12 rotating part, 13 limiting protrusion, 14 fixing plate, 15 blocking ring, 16 fixing bolt, 17 back plate, 18 connecting plate. DETAILED DESCRIPTION
[0019] In order to deepen the understanding and recognition of the utility model, the technical solutions in the embodiments of the utility model will be clearly and completely described and introduced in combination with the drawings 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, and are not intended to limit the embodiments in any form. Based on the embodiments of 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 Figure 1-4 The utility model provides a technical solution: a hidden hinge installation device for a flat door, comprising a fixed frame plate 1, a folding opening 2 is provided in the middle of the fixed frame plate 1, a fixing frame 3 is fixedly connected to the two right corners of the folding opening 2, a mounting tube 4 is provided between the two fixing frames 3, a machine screw 7 is provided at the lower end of the fixed frame plate 1, a top screw 6 is provided at the upper end of the fixed frame plate 1, a plurality of adjustment blocks 5 are fixedly connected to the side end of the installation tube 4, a limiting sleeve 8 is fixedly connected to the side end of each adjustment block 5, a fixing piece 9 is fixedly connected to the inside of the limiting sleeve 8, and the fixing piece 9 is fixedly connected to the fixing piece 9. A rotating member 12 is provided between the limiting sleeve 8, and the side end of the rotating member 12 is fixedly connected with a fixed plate 14, and the side end of the fixed plate 14 is fixedly connected with a connecting plate 18. A back plate 17 is provided in the folding mouth 2, and the connecting plate 18 is slidably connected to the side end of the back plate 17. A blocking ring 15 is provided at the upper end of the limiting sleeve 8 to connect the fixed frame plate 1 and the door frame, and the back plate 17 and the side end of the door panel are connected. When the door panel is closed, the back plate 17 is folded in the folding mouth 2, and the fixed frame plate 1 and the back plate 17 are both located between the door frame and the door panel, which can avoid the hinge from being exposed and increase the aesthetics.
[0021] Both ends of the machine screw 7 pass through the mounting tube 4 and the two fixing frames 3. The upper end of the machine screw 7 and the lower end of the top screw 6 are pressed against each other to connect the mounting tube 4 and the fixed frame plate 1 together. When the door panel rotates, the mounting tube 4 can rotate with the machine top screw 7 as the center. At the same time, the machine top screw 7 can ensure that the mounting tube 4 is subjected to more uniform force during rotation.
[0022] A plurality of fixing holes are provided in the middle of the back plate 17, and the fixing holes correspond to the adjusting blocks 5 one by one. The connecting plate 18 is fixedly connected by screws and the fixing holes. The length of the adjusting blocks 5 gradually increases from top to bottom. When there is a processing error in the door leaf, the rotating part 12 can be sleeved on the limit sleeves 8 of different adjusting blocks 5, thereby changing the position of the door panel when it is closed, so that the door lock can be locked smoothly.
[0023] The upper end of the limit sleeve 8 is an arc-shaped structure, the lower end of the limit sleeve 8 is a disc-shaped structure, the middle of the fixed member 9 is a columnar structure, the columnar structure and the limit sleeve 8 are coaxial, the rotating member 12 is an arc-shaped structure, the rotating member 12 and the fixed member 9 partially overlap each other, the rotating member 12 and the fixed member 9 are coaxial, the side end of the fixed member 9 is fixedly connected to two blocking blocks 11, the top of the blocking block 11 is low against the inner wall of the rotating member 12, the inner walls on both sides of the rotating member 12 are fixedly connected to the limiting protrusions 13, and the middle of the fixed member 9 is provided with a threaded hole 1 0, the middle thread of the threaded hole 10 is connected with a fixing bolt 16, and both ends of the fixing bolt 16 pass through the blocking ring 15. When the rotating member 12 and the limiting sleeve 8 are sleeved, the rotating member 12 rotates around the fixing member 9, so as to open or close the door panel. When the rotating member 12 rotates, the blocking block 11 can limit the rotation distance of the rotating member 12. After the rotating member 12 and the limiting sleeve 8 are sleeved, the blocking ring 15 is placed on the upper end of the rotating member 12, and then the rotating member 12 and the fixing member 9 are limited and fixed by the fixing bolts 16.
[0024] Although the embodiments of the utility model have been shown and described, it should be emphasized that the above description is only an introduction and description of the use of the embodiments of the utility model, and does not limit the utility model in any form. For those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents.
Claims
1. A concealed hinge installation device for a casement door, comprising a fixed frame plate (1), characterized in that: A folding opening (2) is provided in the middle of the fixed frame plate (1), and fixed frames (3) are fixedly connected at two right corners of the folding opening (2). A mounting tube (4) is provided between the two fixing frames (3). A machine screw (7) is provided at the lower end of the fixed frame plate (1), and a top screw (6) is provided at the upper end of the fixed frame plate (1). A plurality of adjustment blocks (5) are fixedly connected at the side end of the mounting tube (4), and the side end of each adjustment block (5) is fixedly connected to a limiting sleeve (8). A fixing member (9) is fixedly connected inside the limiting sleeve (8), and a rotating member (12) is provided between the fixing member (9) and the limiting sleeve (8). A fixing plate (14) is fixedly connected at the side end of the rotating member (12), and a connecting plate (18) is fixedly connected at the side end of the fixing plate (14). A back plate (17) is provided inside the folding opening (2), and the connecting plate (18) is slidably connected to the side end of the back plate (17). A blocking ring (15) is provided at the upper end of the limiting sleeve (8).
2. A concealed hinge installation device for a flat door according to claim 1, characterized in that: Both ends of the machine screw (7) pass through the mounting tube (4) and the two fixing frames (3), and the upper end of the machine screw (7) and the lower end of the top screw (6) are close together.
3. The concealed hinge installation device for a flat door according to claim 1, characterized in that: A plurality of fixing holes are provided in the middle of the back plate (17), the fixing holes corresponding to the adjustment blocks (5) one by one, the connecting plate (18) being fixedly connected to the fixing holes by means of screws, and the adjustment blocks (5) gradually increase in length from top to bottom.
4. The concealed hinge installation device for a flat door according to claim 1, characterized in that: The upper end of the limiting sleeve (8) is an arc-shaped structure, the lower end of the limiting sleeve (8) is a disc-shaped structure, and the middle of the fixing member (9) is a columnar structure, and the columnar structure and the limiting sleeve (8) are coaxial.
5. The concealed hinge installation device for a flat door according to claim 1, characterized in that: The rotating member (12) is an arc-shaped structure, the rotating member (12) and the fixed member (9) partially overlap each other, and the rotating member (12) and the fixed member (9) are coaxial.
6. The concealed hinge installation device for a flat door according to claim 1, characterized in that: Two blocking blocks (11) are fixedly connected to the side ends of the fixing member (9), the top ends of the blocking blocks (11) are low against the inner walls of the rotating member (12), and limiting protrusions (13) are fixedly connected to the inner walls on both sides of the rotating member (12).
7. The concealed hinge installation device for a flat door according to claim 1, characterized in that: A threaded hole (10) is provided in the middle of the fixing member (9), a fixing bolt (16) is threadedly connected to the middle of the threaded hole (10), and both ends of the fixing bolt (16) pass through the blocking ring (15).