Adjustable plastic steel window hinge
The adjustable PVC window hinge design solves the problem of hole deviation during hinge installation, improving the applicability and practicality of the hinge and ensuring the normal installation of PVC windows.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUAIAN SENNUO KUNYUAN PLASTIC STEEL CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-05-12
AI Technical Summary
现有技术中,塑钢窗合页在安装时容易因打孔位置偏差导致安装不正常,降低了合页的适用性和实用性。
Adjustable PVC window hinges are used, which can be adjusted and distance adjusted by setting up a combination of components such as mounting plate, leaf blade, fixing sleeve, rotating cylinder, positioning rod, and connecting block to ensure that the hinge fits the hole.
Even if the holes are misaligned, the hinges can still be installed normally, improving applicability and practicality. By adjusting the hinge length to fit the holes, the normal installation of PVC windows is ensured.
Smart Images

Figure CN224228470U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of hinge technology, and in particular to an adjustable PVC window hinge. Background Technology
[0002] A hinge, formally known as a hinge, is a component that connects two parts of an object and allows them to move. PVC window hinges are a common type of hinge, often used in PVC window installations. The two rotatable parts of the hinge are fixed to the outer surfaces of the PVC window mounting frame and the PVC window frame, allowing relative rotation between the PVC window frame and the PVC window mounting frame.
[0003] In existing technologies, when using hinges to install PVC windows, holes are pre-drilled on the outer surfaces of the PVC window mounting frame and the PVC window frame, and then bolts are used to fix the hinges to the PVC window mounting frame and the PVC window frame. However, when drilling holes on the outer surfaces of the PVC window mounting frame and the PVC window frame, it is easy to cause deviations in the drilling position, which affects the normal installation of the PVC window and reduces the applicability and practicality of the hinges. Utility Model Content
[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing an adjustable PVC window hinge.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: an adjustable PVC window hinge, comprising a mounting plate and a hinge leaf, wherein the hinge leaf is disposed on one side of the mounting plate, a fixing sleeve is fixedly installed on one side wall of the mounting plate, a rotating cylinder is disposed at one end of the hinge leaf near the mounting plate, positioning rods are inserted at both the upper and lower ends of the rotating cylinder, a connecting block is fixedly installed at the end of the positioning rod away from the rotating cylinder, two movable plates are slidably connected inside the fixing sleeve, a connecting seat is fixedly installed on the side wall of the movable plate, the connecting block is slidably connected to the inner wall of the connecting seat, positioning plates are fixedly installed on both side walls of the connecting seat, positioning bolts are threadedly connected to the side walls of the positioning plates, grooves are formed on both side walls of the connecting seat, a connecting bolt is threadedly connected to the inner wall of one of the grooves, and an extension component is disposed on the outer surface of the rotating cylinder.
[0006] As a further description of the above technical solution:
[0007] Wear-resistant sleeves are inserted into the inner walls of both the upper and lower ends of the rotating drum, and the outer surfaces of the two positioning rods are slidably connected to the inner walls of the corresponding wear-resistant sleeves.
[0008] As a further description of the above technical solution:
[0009] The positioning plate is slidably connected to the outer surface of the fixed sleeve, the positioning bolts pass through the side wall of the positioning plate in sequence, the outer surface of the fixed sleeve has a number of positioning holes for insertion of the positioning bolts, and the positioning bolts are threadedly connected to the side wall of the movable plate.
[0010] As a further description of the above technical solution:
[0011] A slider is fixedly installed on the side wall of the connecting block, and a groove adapted to the slider is opened on the inner wall of the connecting seat. The connecting bolt passes through the inner wall of the groove and extends to the other side of the connecting seat. The connecting bolt is inserted into the side wall of the connecting block. A nut is provided inside the other groove, and the connecting bolt is threadedly connected to the nut.
[0012] As a further description of the above technical solution:
[0013] The extension assembly includes a connecting plate and a connecting sleeve. The connecting plate is fixedly installed at the end of the blade near the rotating cylinder. The connecting sleeve is fixedly installed on the outer surface of the rotating cylinder. A limit block is fixedly installed on the side wall of the connecting plate. A limit bolt is threadedly connected to the outer surface of the connecting sleeve. An extension plate is fixedly installed at the end of the connecting sleeve away from the rotating cylinder. A fixing frame is fixedly installed on the side of the blade near the extension plate. A locking block is fixedly installed on the side wall of the blade.
[0014] As a further description of the above technical solution:
[0015] The connecting plate is slidably connected to the inner wall of the connecting sleeve. The outer surface of the connecting sleeve is provided with a limiting groove that matches the limiting block. The limiting bolt passes through the outer surface of the connecting sleeve and extends into the interior of the connecting sleeve. The side wall of the connecting plate is provided with several limiting holes for insertion with the limiting bolt.
[0016] As a further description of the above technical solution:
[0017] The extension plate is inserted inside the fixed frame, and the side wall of the extension plate has a slot, and the card block is slidably connected to the inner wall of the slot.
[0018] This utility model has the following beneficial effects:
[0019] 1. Compared with existing technologies, this adjustable PVC window hinge achieves the function of adjusting the hinge body by setting up a mounting plate, leaf blade, fixing sleeve, rotating cylinder, wear-resistant sleeve, positioning rod, connecting block, movable plate, connecting seat, positioning plate, positioning bolt, slider, groove, connecting bolt and nut. By adjusting the hinge, even when there is a deviation between the hole drilled on the outer surface of the PVC window mounting frame and the PVC window frame, the hinge can still fit the hole, ensuring the normal installation of the PVC window and improving the applicability and practicality of the hinge.
[0020] 2. Compared with existing technologies, this adjustable PVC window hinge, through the cooperation of components such as connecting plates, connecting sleeves, limiting blocks, limiting bolts, extension plates, fixing brackets, and locking blocks, achieves the function of adjusting the distance between the mounting plate and the hinge. By controlling the distance between the mounting plate and the hinge, when the distance between the holes on the PVC window mounting frame and the PVC window frame does not match the hinge, the length of the hinge can be extended or shortened, thereby making the hinge fit the holes and further improving its applicability and practicality. Attached Figure Description
[0021] Figure 1 This is a three-dimensional structural diagram of an adjustable PVC window hinge proposed in this utility model;
[0022] Figure 2 This is a schematic diagram of the connecting seat structure of an adjustable PVC window hinge proposed in this utility model;
[0023] Figure 3 This is a schematic diagram of the connecting block structure of an adjustable PVC window hinge proposed in this utility model;
[0024] Figure 4 This is a schematic diagram of the extension component structure of an adjustable PVC window hinge proposed in this utility model.
[0025] Figure 5 This is a schematic diagram of the fixing frame structure of an adjustable PVC window hinge proposed in this utility model.
[0026] Legend:
[0027] 1. Mounting plate; 2. Blade; 3. Fixing sleeve; 4. Rotary drum; 5. Wear-resistant sleeve; 6. Positioning rod; 7. Connecting block; 8. Movable plate; 9. Connecting seat; 10. Positioning plate; 11. Positioning bolt; 12. Slider; 13. Groove; 14. Connecting bolt; 15. Nut; 16. Connecting plate; 17. Connecting sleeve; 18. Limiting block; 19. Limiting bolt; 20. Extension plate; 21. Fixing bracket; 22. Locking block. Detailed Implementation
[0028] 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.
[0029] Reference Figures 1 to 5This utility model provides an adjustable PVC window hinge, comprising a mounting plate 1 and a hinge blade 2. The hinge blade 2 is disposed on one side of the mounting plate 1. A fixing sleeve 3 is fixedly installed on one side wall of the mounting plate 1. A rotating cylinder 4 is disposed at one end of the hinge blade 2 near the mounting plate 1. Positioning rods 6 are inserted into both the upper and lower ends of the rotating cylinder 4. Wear-resistant sleeves 5 are inserted into the inner walls of both the upper and lower ends of the rotating cylinder 4. The outer surfaces of the two positioning rods 6 are slidably connected to the inner walls of the corresponding wear-resistant sleeves 5. A connecting block 7 is fixedly installed at the end of the positioning rod 6 away from the rotating cylinder 4. The fixing sleeve 3... The internal sliding connection has two movable plates 8. A connecting seat 9 is fixedly installed on the side wall of the movable plate 8. The connecting block 7 is slidably connected to the inner wall of the connecting seat 9. A positioning plate 10 is fixedly installed on both side walls of the connecting seat 9. The positioning plate 10 is slidably connected to the outer surface of the fixed sleeve 3. A positioning bolt 11 is threadedly connected to the side wall of the positioning plate 10. The positioning bolt 11 passes through the side wall of the positioning plate 10 in sequence. Several positioning holes are opened on the outer surface of the fixed sleeve 3 to be inserted into the positioning bolt 11. The positioning bolt 11 is threadedly connected to the side wall of the movable plate 8.
[0030] To facilitate the connection between the connecting block 7 and the connecting seat 9, a slider 12 is fixedly installed on the side wall of the connecting block 7. The inner wall of the connecting seat 9 is provided with a groove that matches the slider 12. Both side walls of the connecting seat 9 are provided with grooves 13. A connecting bolt 14 is threadedly connected to the inner wall of one groove 13. The connecting bolt 14 passes through the inner wall of the groove 13 and extends to the other side of the connecting seat 9. The connecting bolt 14 is inserted into the side wall of the connecting block 7. A nut 15 is provided inside the other groove 13. The connecting bolt 14 is threadedly connected to the nut 15.
[0031] By setting up an installation plate 1, a leaf 2, a fixing sleeve 3, a rotating cylinder 4, a wear-resistant sleeve 5, a positioning rod 6, a connecting block 7, a movable plate 8, a connecting seat 9, a positioning plate 10, a positioning bolt 11, a slider 12, a groove 13, a connecting bolt 14, and a nut 15, the hinge body can be adjusted. By adjusting the hinge, even when there is a deviation between the hole drilled on the outer surface of the PVC window mounting frame and the PVC window frame, the hinge can still fit the hole, ensuring the normal installation of the PVC window and improving the applicability and practicality of the hinge.
[0032] An extension assembly is provided on the outer surface of the rotating drum 4. The extension assembly includes a connecting plate 16 and a connecting sleeve 17. The connecting plate 16 is fixedly installed at one end of the blade 2 near the rotating drum 4, and the connecting sleeve 17 is fixedly installed on the outer surface of the rotating drum 4. A limit block 18 is fixedly installed on the side wall of the connecting plate 16, and a limit bolt 19 is threadedly connected to the outer surface of the connecting sleeve 17. The connecting plate 16 and the inner wall of the connecting sleeve 17 are slidably connected. A limit groove adapted to the limit block 18 is opened on the outer surface of the connecting sleeve 17. The limit bolt 19... 9 penetrates the outer surface of the connecting sleeve 17 and extends into the interior of the connecting sleeve 17. The side wall of the connecting plate 16 has several limiting holes for insertion with the limiting bolts 19. An extension plate 20 is fixedly installed at the end of the connecting sleeve 17 away from the rotating cylinder 4. A fixing frame 21 is fixedly installed on the side of the blade 2 near the extension plate 20. A locking block 22 is fixedly installed on the side wall of the blade 2. The extension plate 20 is inserted into the interior of the fixing frame 21. A slot is opened on the side wall of the extension plate 20. The locking block 22 is slidably connected to the inner wall of the slot.
[0033] By setting up a connecting plate 16, a connecting sleeve 17, a limiting block 18, a limiting bolt 19, an extension plate 20, a fixing bracket 21, and a locking block 22, the function of adjusting the distance between the mounting plate 1 and the hinge 2 is realized. By controlling the distance between the mounting plate 1 and the hinge 2, when the distance between the holes on the PVC window mounting frame and the PVC window frame does not match the hinge, the length of the hinge can be extended or shortened, so that the hinge matches the hole, further improving the applicability and practicality.
[0034] Working principle: When installing PVC windows using hinges, use bolts to install the mounting plate 1 onto the outer surface of the PVC window mounting frame, install the hinge 2 onto the outer surface of the PVC window frame, then bring the PVC window frame close to the PVC window mounting frame, insert the two wear-resistant sleeves 5 into both ends of the rotating cylinder 4, and then insert the two positioning rods 6 into both ends of the rotating cylinder 4 along the inner wall of the wear-resistant sleeves 5. Next, move the two connecting seats 9 so that the movable plate 8 slides inside the fixed sleeve 3, and the positioning plate 10 slides along the outer surface of the fixed sleeve 3. When both connecting seats 9 have moved to the appropriate position, tighten the four positioning bolts 11 so that the positioning bolts 11 penetrate the positioning plate 1. 0, and through the positioning hole on the outer surface of the fixed sleeve 3, it is inserted into the interior of the fixed sleeve 3. The position of the connecting seat 9 is fixed on the side wall of the movable plate 8. Then, the PVC window frame is moved so that the connecting block 7 slides into the interior of the connecting seat 9 and the slider 12 slides into the interior of the groove. After the connecting block 7 slides into the interior of the connecting seat 9, the connecting bolt 14 is turned so that the connecting bolt 14 passes through the connecting seat 9 and the connecting block 7. After the connecting bolt 14 extends to the other side of the connecting seat 9, the nut 15 is screwed onto the connecting bolt 14 to fix the connecting bolt 14. The above operation is repeated to install several hinges and complete the installation of the PVC window.
[0035] When the distance between the holes on the PVC window mounting frame and the PVC window frame does not match the hinge, tighten the limiting bolt 19 so that the limiting bolt 19 extends away from the connecting sleeve 17. After the limiting bolt 19 turns out of the limiting hole, the fixing of the connecting plate 16 is released. Then pull the leaf 2, causing the connecting plate 16 to slide inside the connecting sleeve 17, the limiting block 18 to slide inside the limiting groove, the extension plate 20 to slide inside the fixing bracket 21, and the locking block 22 to slide inside the locking groove. After the leaf 2 extends or shortens to a suitable length, tighten the limiting bolt 19 in response. After the limiting bolt 19 turns back into the limiting hole, the positions of the connecting plate 16 and the leaf 2 are fixed, and then the installation of the PVC window can be completed.
[0036] 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 adjustable PVC window hinge, comprising a mounting plate (1) and a leaf blade (2), characterized in that: The blade (2) is disposed on one side of the mounting plate (1). A fixing sleeve (3) is fixedly installed on one side wall of the mounting plate (1). A rotating cylinder (4) is disposed at one end of the blade (2) near the mounting plate (1). Positioning rods (6) are inserted at both the upper and lower ends of the rotating cylinder (4). A connecting block (7) is fixedly installed at the end of the positioning rod (6) away from the rotating cylinder (4). Two movable plates (8) are slidably connected inside the fixing sleeve (3). A connecting seat (9) is fixedly installed on the side wall of the movable plate (8). The connecting block (7) is slidably connected to the inner wall of the connecting seat (9). Positioning plates (10) are fixedly installed on both side walls of the connecting seat (9). Positioning bolts (11) are threadedly connected to the side walls of the positioning plates (10). Grooves (13) are opened on both side walls of the connecting seat (9). A connecting bolt (14) is threadedly connected to the inner wall of one of the grooves (13). An extension component is disposed on the outer surface of the rotating cylinder (4).
2. The adjustable PVC window hinge according to claim 1, characterized in that: Wear-resistant sleeves (5) are inserted into the inner walls of both the upper and lower ends of the rotating drum (4), and the outer surfaces of the two positioning rods (6) are slidably connected to the inner walls of the corresponding wear-resistant sleeves (5).
3. The adjustable PVC window hinge according to claim 1, characterized in that: The positioning plate (10) is slidably connected to the outer surface of the fixed sleeve (3), the positioning bolt (11) passes through the side wall of the positioning plate (10) in sequence, the outer surface of the fixed sleeve (3) is provided with a number of positioning holes for insertion of the positioning bolt (11), and the positioning bolt (11) is threadedly connected to the side wall of the movable plate (8).
4. An adjustable PVC window hinge according to claim 1, characterized in that: A slider (12) is fixedly installed on the side wall of the connecting block (7). The inner wall of the connecting seat (9) is provided with a groove that matches the slider (12). The connecting bolt (14) passes through the inner wall of the groove (13) and extends to the other side of the connecting seat (9). The connecting bolt (14) is inserted into the side wall of the connecting block (7). A nut (15) is provided inside the other groove (13). The connecting bolt (14) and the nut (15) are threaded together.
5. An adjustable PVC window hinge according to claim 1, characterized in that: The extension assembly includes a connecting plate (16) and a connecting sleeve (17). The connecting plate (16) is fixedly installed on one end of the blade (2) near the rotating cylinder (4). The connecting sleeve (17) is fixedly installed on the outer surface of the rotating cylinder (4). A limit block (18) is fixedly installed on the side wall of the connecting plate (16). A limit bolt (19) is threadedly connected to the outer surface of the connecting sleeve (17). An extension plate (20) is fixedly installed on one end of the connecting sleeve (17) away from the rotating cylinder (4). A fixing frame (21) is fixedly installed on one side of the blade (2) near the extension plate (20). A locking block (22) is fixedly installed on the side wall of the blade (2).
6. An adjustable PVC window hinge according to claim 5, characterized in that: The connecting plate (16) is slidably connected to the inner wall of the connecting sleeve (17). The outer surface of the connecting sleeve (17) is provided with a limiting groove that matches the limiting block (18). The limiting bolt (19) passes through the outer surface of the connecting sleeve (17) and extends into the interior of the connecting sleeve (17). The side wall of the connecting plate (16) is provided with several limiting holes that are inserted into the limiting bolt (19).
7. An adjustable PVC window hinge according to claim 5, characterized in that: The extension plate (20) is inserted inside the fixing frame (21), and the side wall of the extension plate (20) is provided with a slot, and the locking block (22) is slidably connected to the inner wall of the slot.