Aluminum alloy door and window hinge connecting reinforcing structure
By adding high-strength reinforcing blocks and limiting block sliding grooves to the hinge connecting pieces, the problem of single-point stress concentration in the hinge is solved, and the surface contact force of the hinge is dispersed, which improves the durability and ease of installation of doors and windows, and is suitable for high-rise buildings and heavy doors and windows.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG OUHUI DOOR & WINDOW ENG CO LTD
- Filing Date
- 2025-07-22
- Publication Date
- 2026-06-16
AI Technical Summary
Existing aluminum alloy door and window hinge connection reinforcement structures do not completely eliminate the problem of single-point stress concentration under high-frequency opening and closing or heavy-load scenarios. This leads to micro-cracks in the area around the bolt holes of the connecting pieces and the welding points of the pins due to metal fatigue, affecting the sealing and safety of the doors and windows.
A high-strength reinforcing block is added to the connecting piece of the hinge to form a cross-shaped support structure. Through the combination design of the limiting block and the sliding groove, the single-point force is transformed into surface contact force. Combined with the quick installation method of the spring fixing pin, the stability of the connection and the ease of installation are enhanced.
It effectively disperses stress, reduces the probability of deformation of connecting pieces, improves the durability and reliability of aluminum alloy door and window hinges, simplifies the installation process, and enhances the long-term efficiency of high-rise buildings and heavy doors and windows.
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Figure CN224363793U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of door and window hinges, and in particular to a reinforcement structure for aluminum alloy door and window hinge connections. Background Technology
[0002] Aluminum alloy door and window hinges are mechanical parts that connect door and window sashes to the window frame, enabling the opening and closing of doors and windows. They consist of fixed flaps, movable flaps, and pins, and are used to transmit the weight and opening and closing force of doors and windows. Aluminum alloy door and window hinges are used to reinforce the structure because traditional hinges have problems such as insufficient strength, poor stability, low durability, and inconvenient installation and maintenance, which can easily lead to door and window deformation, loosening, and air and water leakage. The reinforced structure, through innovations such as multi-directional reinforcing blocks, diamond column bearing sleeves, thermal break design, and modular snap-fit, can effectively improve load-bearing capacity, stability, and service life, and simplify the installation and maintenance process. It is especially suitable for high-rise buildings, heavy doors and windows, and high-frequency use scenarios.
[0003] Existing aluminum alloy door and window hinge connection reinforcement structures transform single-point force into surface contact through multi-directional reinforcing blocks and stepped grooves, distributing loads to avoid deformation. Non-circular pins and bearing sleeves restrict rotation and reduce friction, ensuring door and window sealing and rotation flexibility. Spring top rods and rubber rings provide anti-loosening and buffering, reducing component damage. Combined with thermal break insulation and modular design, it enhances environmental adaptability and facilitates installation and maintenance, improving the hinge's strength, stability, and service life in multiple dimensions.
[0004] However, in practical applications, some aluminum alloy door and window hinge connection reinforcement structures still have performance bottlenecks. Although the overall load-bearing capacity has been improved by adding reinforcing blocks and optimizing the connection form, the problem of single-point stress concentration in key load-bearing parts has not been completely eliminated under high-frequency opening and closing or heavy-load scenarios. For example, when the door or window sash is subjected to instantaneous impact due to strong winds or external forces, the load will still be concentrated and transmitted to the root of the pin connected to the fixed pin through the hinge moving plate, or to a local area near the bolt fixing point. Although the reinforcing block increases the load-bearing area, the traditional linear connection mode results in a single stress transmission path. Under long-term reciprocating loads, micro-cracks will still occur around the bolt holes of the connecting plate and at the pin welding points due to metal fatigue, which will then lead to plastic deformation. This deformation will gradually destroy the rotation accuracy of the hinge, resulting in doors and windows not closing tightly, air and water leakage, and even safety hazards due to structural loosening. This makes it difficult to fully realize the design intention of the reinforcement structure under extreme working conditions, affecting its long-term high-efficiency performance in high-rise buildings, heavy doors and windows, and other scenarios. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides an aluminum alloy door and window hinge connection reinforcement structure, which aims to improve the problem that single-point stress during equipment use can easily cause deformation of the connecting piece after long-term use.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: an aluminum alloy door and window hinge connection reinforcement structure, including a frame, a door and window are provided on one side of the frame, a connecting piece one is fixedly connected inside the frame, a connecting piece two is fixedly connected on one side of the door and window, a rotating component is provided between the connecting piece one and the connecting piece two, multiple connecting holes are provided inside the connecting piece one and the connecting piece two, and a reinforcing component is provided on one side of the connecting piece one and the connecting piece two;
[0007] Each of the reinforcing components includes multiple reinforcing blocks one and two. One side of each reinforcing block one is fixedly connected to one side of connecting piece one or connecting piece two, and one side of each reinforcing block two is fixedly connected to one side of connecting piece one or connecting piece two.
[0008] As a further description of the above technical solution:
[0009] The rotating assembly includes multiple rotating shafts 1 and 2. The outer wall of each rotating shaft 1 is fixedly connected to one side of the connecting piece 1, and the outer wall of each rotating shaft 2 is fixedly connected to one side of the connecting piece 2. Both ends of the rotating shaft 2 are rotatably connected between rotating shafts 1.
[0010] As a further description of the above technical solution:
[0011] Connecting blocks are fixedly connected to one side of both connecting piece one and connecting piece two, and the connecting blocks are arranged in a symmetrical array on one side of connecting piece one or connecting piece two.
[0012] As a further description of the above technical solution:
[0013] Each of the connecting blocks is fixedly connected to a limit block at its top, and the limit blocks are arranged in a symmetrical array on one side of connecting piece one or connecting piece two.
[0014] As a further description of the above technical solution:
[0015] Multiple sliding grooves are provided on one side of the frame and the doors and windows, and the sliding grooves are arranged in a symmetrical array on one side of the frame or the doors and windows.
[0016] As a further description of the above technical solution:
[0017] The frame and the interior of the doors and windows are all slidably connected by multiple fixing pins, and the top of each fixing pin is slidably connected to the bottom of the connecting block.
[0018] As a further description of the above technical solution:
[0019] Each of the fixed pins is fixedly connected to a limiting plate on its outer wall, and the outer wall of each limiting plate is slidably connected to the inside of the frame or door / window.
[0020] As a further description of the above technical solution:
[0021] Multiple springs are installed inside the frame and the doors and windows. One end of each spring is fixedly connected to the inside of the frame or the doors and windows, and the other end of each spring is fixedly connected to the bottom of the fixing pin.
[0022] This utility model has the following beneficial effects:
[0023] 1. In this utility model, reinforcing blocks 1 and 2 are added to the connecting pieces 1 and 2 of the hinge. The connecting pieces 1 and 2 are penetrated through the connecting holes and fixed to the hinge body, so that reinforcing blocks 1 and 2 form a cross-shaped support structure with the connecting pieces 1 and 2. This achieves the effect of converting single-point force into surface contact force during equipment use, thereby reducing the probability of deformation of the connecting pieces. This avoids the problem that single-point force can easily cause deformation of the connecting pieces after long-term use, thus improving the efficiency of the aluminum alloy door and window hinge connection reinforcement structure.
[0024] 2. In this utility model, the limiting block on the back of the connecting piece two is first aligned with the sliding groove on one side of the door or window. Then, the limiting block is snapped into the sliding groove to connect the door or window with the connecting piece two. At this time, the fixing pin is first squeezed into the door or window by the limiting block. After the limiting block slides into the deepest part of the sliding groove, the fixing pin pops out under the action of the spring to fix the limiting block. This achieves the effect of connecting the connecting piece to the door or window or frame before the screws are installed during the use of the equipment. This avoids the problem that the connecting piece needs to be positioned before the screws can be installed and fixed during the use of the equipment, thereby improving the practicality of the aluminum alloy door and window hinge connection reinforcement structure. Attached Figure Description
[0025] Figure 1 This is a perspective view of an aluminum alloy door and window hinge connection reinforcement structure proposed in this utility model;
[0026] Figure 2 This is a schematic diagram of a connecting piece in an aluminum alloy door and window hinge connection reinforcement structure proposed in this utility model.
[0027] Figure 3 This is an exploded structural diagram of the connecting piece 2 of the aluminum alloy door and window hinge connection reinforcement structure proposed in this utility model;
[0028] Figure 4 for Figure 3 A magnified view of the structure at point A in the middle;
[0029] Figure 5 for Figure 3 A magnified schematic diagram of the structure at point B in the middle.
[0030] Legend:
[0031] 1. Frame; 2. Doors and windows; 3. Connecting piece one; 4. Connecting piece two; 5. Rotating shaft one; 6. Rotating shaft two; 7. Connecting hole; 8. Reinforcing block one; 9. Reinforcing block two; 10. Connecting block; 11. Limiting block; 12. Sliding groove; 13. Fixing pin; 14. Limiting plate; 15. Spring. Detailed Implementation
[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0033] Reference Figure 1 and Figure 2 The present invention provides an embodiment of an aluminum alloy door and window hinge connection reinforcement structure, including a frame 1, a door and window 2 on one side of the frame 1, the main body to be connected, a connecting piece 3 fixedly connected inside the frame 1 for connecting the frame 1 and the door and window 2, a connecting piece 4 fixedly connected to one side of the door and window 2 for connecting the frame 1 and the door and window 2, a rotating component provided between the connecting piece 3 and the connecting piece 4 to provide mechanical support for the rotation between the connecting piece 3 and the connecting piece 4, multiple connecting holes 7 are provided inside the connecting piece 3 and the connecting piece 4 for fixing the connecting piece 3 or the connecting piece 4 to the frame 1 or the door and window 2, and a reinforcing component is provided on one side of the connecting piece 3 and the connecting piece 4 to convert single-point force into surface contact force;
[0034] Each reinforcing component includes multiple reinforcing blocks 8 and 9. One side of each reinforcing block 8 is fixedly connected to one side of connecting piece 3 or connecting piece 4, forming a cross-shaped support structure with connecting piece 3 and connecting piece 4 to convert single-point force into surface contact force. One side of each reinforcing block 9 is fixedly connected to one side of connecting piece 3 and connecting piece 4, forming a cross-shaped support structure with connecting piece 3 and connecting piece 4 to convert single-point force into surface contact force. The rotating component includes multiple rotating shafts 5 and 6. The outer wall of each rotating shaft 5 is fixedly connected to one side of connecting piece 3, providing mechanical support for the rotation between connecting piece 3 and connecting piece 4. The outer wall of each rotating shaft 6 is fixedly connected to one side of connecting piece 4, providing mechanical support for the rotation between connecting piece 3 and connecting piece 4. Both ends of each rotating shaft 6 are rotatably connected between rotating shafts 5.
[0035] Specifically, to enhance the hinge's load-bearing capacity, reinforcing blocks 8 and 9 are added to the hinge's connecting pieces 3 and 4. These reinforcing blocks are crafted from high-strength alloy material with a finely sanded surface, enhancing both friction and visual appeal. Through precisely machined connecting holes 7, these reinforcing blocks penetrate connecting pieces 3 or 4 and, with the aid of specially designed fastening bolts, are firmly fixed to the hinge body. After installation, reinforcing blocks 8 and 9 interweave with connecting pieces 3 and 4, forming a stable and aesthetically pleasing cross-shaped support structure. This transforms single-point stress into surface contact stress, enhancing the overall resistance to deformation and effectively dispersing various stresses generated during the opening and closing of the door and window 2, significantly improving the durability and reliability of the aluminum alloy door and window 2 hinges.
[0036] Reference Figures 3-5 Connecting blocks 10 are fixedly connected to one side of both connecting piece 3 and connecting piece 4, for connecting limiting blocks 11. The connecting blocks 10 are arranged in a symmetrical array on one side of connecting piece 3 or connecting piece 4. Each connecting block 10 is fixedly connected to the top of a limiting block 11, restricting the movement range of connecting piece 3 or connecting piece 4. The limiting blocks 11 are arranged in a symmetrical array on one side of connecting piece 3 or connecting piece 4. Multiple sliding grooves 12 are provided on one side of both frame 1 and door / window 2 to accommodate the connecting blocks 10 and limiting blocks 11. The sliding grooves 12 are arranged in a symmetrical array on both frame 1 and door / window 2. On one side, multiple fixing pins 13 are slidably connected inside the frame 1 and the door / window 2 to fix the position of the limiting block 11. The top of each fixing pin 13 is slidably connected to the bottom of the connecting block 10. The outer wall of each fixing pin 13 is fixedly connected to a limiting plate 14 to limit the movement range of the fixing pin 13. The outer wall of each limiting plate 14 is slidably connected inside the frame 1 or the door / window 2. Multiple springs 15 are provided inside the frame 1 and the door / window 2 to provide elastic force for the fixing pins 13. One end of each spring 15 is fixedly connected inside the frame 1 or the door / window 2, and the other end of each spring 15 is fixedly connected to the bottom of the fixing pin 13.
[0037] Specifically, when connecting and installing the door / window 2 with the hinge, firstly, the limiting block 11 on the back of the connecting piece 2 4 is precisely aligned with the pre-cut sliding groove 12 on the side of the door / window 2. Then, the limiting block 11 is slowly inserted along the direction of the sliding groove 12. At the moment of contact, the fixing pin 13 built into the door / window 2 is first squeezed by the limiting block 11 and retracts into the door / window 2 along the guide hole. When the limiting block 11 slides to the deepest point along the sliding groove 12, the spring 15 hidden under the fixing pin 13 exerts its elastic potential energy to push the fixing pin 13 out and firmly lock it into the bottom of the limiting block 11, thus securing the limiting block 11 and completing the positioning of the door / window 2 and the connecting piece 2 4. This provides convenient conditions for the subsequent installation of bolts into the connecting hole 7. The installation of the connecting piece 1 3 and the frame 1 is similar. The whole process is completed in one go, demonstrating the ingenuity and efficiency of mechanical design.
[0038] Working principle: In the process of using the aluminum alloy door and window hinge connection reinforcement structure, first align the limiting block 11 on the back of the connecting piece 2 4 with the sliding groove 12 opened on one side of the door and window 2. Then, snap the limiting block 11 into the sliding groove 12 to connect the door and window 2 with the connecting piece 2 4. At this time, the fixing pin 13 is first squeezed into the door and window 2 by the limiting block 11. After the limiting block 11 slides into the deepest part of the sliding groove 12, the fixing pin 13 pops out under the action of the spring 15 to fix the limiting block 11. Then, install the fixing bolt. Entering the interior of the connecting hole 7, thus completing the fixation of the second connecting piece 4. The installation of the first connecting piece 3 and the frame 1 is the same as that of the second connecting piece 4. Reinforcing blocks 1 8 and 2 9 are added to the first connecting piece 3 and the second connecting piece 4 of the hinge. They penetrate the first connecting piece 3 or the second connecting piece 4 through the connecting hole 7 and are fixed to the hinge body, so that the first reinforcing block 8 and the second reinforcing block 2 9 form a cross-shaped support structure with the first connecting piece 3 and the second connecting piece 4, which transforms the single-point force into the surface contact force to reduce the probability of deformation of the connecting piece.
[0039] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An aluminum alloy door and window hinge connection reinforcement structure, comprising a frame (1), characterized in that: A door and window (2) is provided on one side of the frame (1). A connecting piece 1 (3) is fixedly connected inside the frame (1). A connecting piece 2 (4) is fixedly connected on one side of the door and window (2). A rotating component is provided between the connecting piece 1 (3) and the connecting piece 2 (4). Multiple connecting holes (7) are provided inside the connecting piece 1 (3) and the connecting piece 2 (4). A reinforcing component is provided on one side of the connecting piece 1 (3) and the connecting piece 2 (4). Each of the reinforcing components includes multiple reinforcing blocks one (8) and reinforcing blocks two (9). One side of each reinforcing block one (8) is fixedly connected to one side of connecting piece one (3) or connecting piece two (4), and one side of each reinforcing block two (9) is fixedly connected to one side of connecting piece one (3) and connecting piece two (4).
2. The aluminum alloy door and window hinge connection reinforcement structure according to claim 1, characterized in that: The rotating assembly includes multiple rotating shafts one (5) and rotating shaft two (6). The outer wall of each rotating shaft one (5) is fixedly connected to one side of the connecting piece one (3), and the outer wall of each rotating shaft two (6) is fixedly connected to one side of the connecting piece two (4). Both ends of the rotating shaft two (6) are rotatably connected between rotating shafts one (5).
3. The aluminum alloy door and window hinge connection reinforcement structure according to claim 1, characterized in that: Connecting blocks (10) are fixedly connected to one side of both connecting piece one (3) and connecting piece two (4), and the connecting blocks (10) are arranged in a symmetrical array on one side of connecting piece one (3) or connecting piece two (4).
4. The aluminum alloy door and window hinge connection reinforcement structure according to claim 3, characterized in that: Each of the connecting blocks (10) is fixedly connected to a limiting block (11) on its top, and the limiting blocks (11) are arranged in a pair array on one side of the connecting piece one (3) or the connecting piece two (4).
5. The aluminum alloy door and window hinge connection reinforcement structure according to claim 1, characterized in that: Multiple sliding grooves (12) are provided on one side of the frame (1) and the door / window (2), and the sliding grooves (12) are arranged in a symmetrical array on one side of the frame (1) or the door / window (2).
6. The aluminum alloy door and window hinge connection reinforcement structure according to claim 1, characterized in that: The frame (1) and the doors and windows (2) are both slidably connected with a number of fixing pins (13), and the top of each fixing pin (13) is slidably connected to the bottom of the connecting block (10).
7. The aluminum alloy door and window hinge connection reinforcement structure according to claim 6, characterized in that: Each of the fixed pins (13) is fixedly connected to a limiting plate (14) on its outer wall, and the outer wall of each limiting plate (14) is slidably connected inside the frame (1) or the door / window (2).
8. The aluminum alloy door and window hinge connection reinforcement structure according to claim 1, characterized in that: Multiple springs (15) are provided inside the frame (1) and the door / window (2). One end of each spring (15) is fixedly connected to the inside of the frame (1) or the door / window (2), and the other end of each spring (15) is fixedly connected to the bottom of the fixing pin (13).