Door and window hinge

Abstract

The utility model discloses a door and window hinge, and belongs to the technical field of hinges. The door and window hinge comprises a bottom rod, one end of the bottom rod is rotationally connected with a first connecting rod, one end of the first connecting rod is rotationally connected with a fourth connecting rod, the top face of the fourth connecting rod is connected with a fifth connecting rod, the bottom face of the fourth connecting rod is connected with a first positioning rivet, and the fourth connecting rod is rotationally connected with a third connecting rod. One end of the third connecting rod is rotationally connected with the other end of the bottom rod, the middle end of the third connecting rod is connected with a notch of the second connecting rod, the other end of the second connecting rod is rotationally connected with the bottom rod, a sealing adjusting part is arranged at the front end, close to the first connecting rod, of the bottom rod, and the sealing adjusting part comprises an adjusting seat frame; one side of the adjusting seat frame is connected with an adjusting screw in a penetrating mode, the adjusting seat frame is connected to the adjusting base through the adjusting screw, and one end of the adjusting seat frame is connected with a screw piece for fixing.

Description

Technical Field

[0001] This utility model relates to the field of hinge technology, specifically a door and window hinge. Background Technology

[0002] With the nation's strong advocacy for green and environmentally friendly practices, the performance requirements for doors and windows are becoming increasingly stringent. New structural designs have emerged in window profiles – built-in profiles, where the mounting slots for hardware are positioned inwards. Simultaneously, sash widths are increasing to enhance sealing, allowing for more frequent sealing strip applications, and increasing the thickness and quantity of glass, thereby improving window and door performance. However, this change in slot placement has rendered most existing load-bearing hardware ineffective, leading to issues such as adhesive strip scraping and jamming.

[0003] Furthermore, the existing hinge structure cannot be adjusted and is not suitable for the corresponding built-in profiles, thus failing to achieve the desired effect. Utility Model Content

[0004] To address the problem of existing hinges' inability to achieve adaptability, this utility model provides a door and window hinge.

[0005] In view of the above problems, the technical solution proposed by this utility model is as follows:

[0006] A door and window hinge includes a base rod, one end of which is rotatably connected to a first connecting rod, one end of which is rotatably connected to a fourth connecting rod, the top surface of which is connected to a fifth connecting rod, the bottom surface of which is connected to a first positioning rivet, and the fourth connecting rod is rotatably connected to a third connecting rod. One end of the third connecting rod is rotatably connected to the other end of the base rod, the middle end of which is connected to a slot of a second connecting rod, and the other end of the second connecting rod is rotatably connected to the base rod. The base rod has a sealing adjustment component near the front end of the first connecting rod. The sealing adjustment component includes an adjustment bracket, one side of which is connected to an adjustment screw. The adjustment bracket is connected to an adjustment base by the adjustment screw, and one end of the adjustment bracket is connected to a screw for fixation.

[0007] Furthermore, a bending plate is provided at one end of the fifth link, and a fastening screw is inserted through one side of the bending plate. An adjusting component is connected to the bending plate through the fastening screw.

[0008] The beneficial effects of adopting the above-mentioned further solution are that it ensures the stability of the adjusting component after adjustment, avoids the adjusting component from becoming loose due to vibration during use, ensures that the adjusting component can stably perform its function during use, improves the reliability of door and window hinges, and at the same time, the connection method of the fastening screws facilitates installation and disassembly, and facilitates later maintenance and replacement of parts.

[0009] Furthermore, one side of the adjusting member is bolted with an adjusting member screw, and one side of the bent plate has a square opening that matches the adjusting member screw.

[0010] The beneficial effects of adopting the above-mentioned further solution are that this matching connection method ensures adjustment accuracy, and the adjusting components can be installed and adjusted according to actual usage conditions. This allows the door and window hinges to adapt to errors caused during door and window manufacturing and installation, improving the product's versatility and applicability. It also ensures the smoothness and safety of door and window opening and closing.

[0011] Furthermore, the bottom rod has a first arc-shaped groove on the side near the first connecting rod, and a second positioning rivet is slidably connected inside the first arc-shaped groove. One end of the second positioning rivet is connected to one side of the first connecting rod.

[0012] The beneficial effect of adopting the above-mentioned further solution is that the first arc groove provides guidance and limit for the movement of the first link, making the movement trajectory of the first link more accurate and stable, and ensuring the movement accuracy during the opening and closing of the door and window.

[0013] Furthermore, a second connecting rod is rotatably connected to one side of the base rod, and a hollow groove is provided on one side of the second connecting rod. The sliding connecting component inside the hollow groove is a sliding rivet, and one end of the sliding rivet is rotatably connected to one end of the third connecting rod.

[0014] The advantages of adopting the above-mentioned further solution are that the sliding connection structure of the slider in the hollow groove allows the third link 4 to move flexibly within a certain range, providing more flexibility in the opening and closing of doors and windows, while reducing the weight of the entire structure and lowering costs. Moreover, the cooperation between the hollow groove and the slider can disperse stress, avoid stress concentration, and improve the service life of door and window hinges.

[0015] Furthermore, the bottom rod has a second arc-shaped groove on the side near the second connecting rod, and a friction screw is slidably connected to the second arc-shaped groove. One end of the friction screw is connected to one end of the second connecting rod.

[0016] The beneficial effect of adopting the above-mentioned further solution is that by adjusting the position of the friction screw in the second arc groove, the rotational friction of the second connecting rod can be adjusted, thereby adjusting the resistance when the door and window are opened and closed, so that the user can adjust it according to their own needs.

[0017] Furthermore, the first link is configured to have a "Z" shape.

[0018] The beneficial effects of adopting the above-mentioned further solution are that this special shape can better adapt to the spatial layout between doors and windows and door frames, optimize the force transmission path, make the force distribution more uniform when doors and windows are opened and closed, reduce bending deformation, improve space utilization, and avoid interference with other components.

[0019] Furthermore, the connection points between the bottom rod and the first connecting rod, as well as the connection points between the bottom rod and the third connecting rod, are both provided with protruding reinforcing ribs.

[0020] The beneficial effect of adopting the above-mentioned further solution is that this raised reinforcing rib increases the contact area of ​​the connection part, can withstand greater stress, and improves the strength and stability of the connection.

[0021] Compared with the prior art, the beneficial effects of this utility model are:

[0022] This type of door and window hinge, through the coordinated use of various connecting rods and sealing adjustment components, allows the hinge to adjust its own structure to suit corresponding built-in profiles. Specifically, by setting the hinge's rotation point and installation point on different straight lines, its movement trajectory during rotation is a composite trajectory of first moving outward relative to the normal and then rotating. Furthermore, by adjusting the screw of the sealing adjustment component, the adjusting bracket moves in coordination with the fourth connecting rod, thereby adjusting the window sash's sealing effect. At the same time, the position of the adjusting screw can also be adjusted to allow for inward and outward adjustment of the sash edge. Attached Figure Description

[0023] Figure 1 A three-dimensional schematic diagram of a door and window hinge provided for this utility model;

[0024] Figure 2 A schematic diagram of the unfolded door and window hinge provided by this utility model;

[0025] Figure 3 A bottom view of a door and window hinge provided by this utility model;

[0026] Figure 4 A top view of a door and window hinge provided by this utility model;

[0027] Figure 5 This is a schematic diagram of the sealing adjustment component of a door and window hinge provided by this utility model.

[0028] In the diagram: 1. Base rod; 2. First connecting rod; 3. Second connecting rod; 4. Third connecting rod; 5. Fourth connecting rod; 6. Fifth connecting rod; 7. Adjusting component; 8. Fastening screw; 9. Adjusting component screw; 10. First positioning rivet; 11. Second positioning rivet; 12. Sealing adjustment component; 1201. Adjusting bracket; 1202. Adjusting base; 1203. Adjusting screw; 1204. Screw; 13. Friction screw. Detailed Implementation

[0029] 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. Example

[0030] Please see Figures 1-5 This utility model provides a technical solution: a door and window hinge, including a base rod 1, one end of which is rotatably connected to a first connecting rod 2, one end of which is rotatably connected to a fourth connecting rod 5, the top surface of which is connected to a fifth connecting rod 6, the bottom surface of which is connected to a first positioning rivet 10, the fourth connecting rod 5 being rotatably connected to a third connecting rod 4, one end of which is rotatably connected to the other end of the base rod 1, the middle end of which is connected to the groove of a second connecting rod 3, and the other end of which is rotatably connected to the base rod 1. A sealing adjustment component 12 is provided at the end of the base rod 1 near the first connecting rod 2, the sealing adjustment component 12 including an adjustment bracket 1201. An adjusting screw 1203 is inserted and connected to one side of the adjusting bracket 1201. The adjusting bracket 1201 is connected to the adjusting base 1202 through the adjusting screw 1203. One end of the adjusting bracket 1201 is connected to a screw plate 1204 for fixation. By setting the rotation point and installation point of the hinge on different straight lines, its movement trajectory during rotation is a composite trajectory of first moving outward relative to the normal and then rotating. Through the adjusting screw 1203 of the sealing adjusting component 12, the adjusting bracket 1201 is moved and cooperates with the fourth connecting rod 5 to achieve the effect of adjusting the sealing of the window sash. At the same time, the position of the adjusting screw 1203 can be moved to achieve the effect of adjusting the inside and outside of the sash edge.

[0031] 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.

[0032] As one embodiment of this utility model, a bending plate is further provided at one end of the fifth connecting rod 6. A fastening screw 8 is inserted through one side of the bending plate, and an adjusting component 7 is connected to the bending plate through the fastening screw 8. The adjusting component 7 is installed according to actual usage, ensuring the stability of the adjusting component 7 after adjustment and preventing loosening due to vibration during use. This ensures that the adjusting component 7 can stably perform its function during use, improving the reliability of the door and window hinge. At the same time, the connection method of the fastening screw 8 facilitates installation and disassembly, making it convenient for later maintenance and replacement of parts. An adjusting component screw 9 is bolted to one side of the adjusting component 7, and a square opening that matches the adjusting component screw 9 is provided on one side of the bending plate. This matching connection method ensures adjustment accuracy, and the adjusting component 7 can be installed and adjusted according to actual usage, allowing the door and window hinge to adapt to errors caused during door and window manufacturing and installation, improving the versatility and applicability of the product. This ensures the smoothness and safety of the door and window opening and closing process.

[0033] In one embodiment of this utility model, the base rod 1 has a first arc-shaped groove on the side near the first connecting rod 2. A second positioning rivet 11 is slidably connected inside the first arc-shaped groove. One end of the second positioning rivet 11 is connected to one side of the first connecting rod 2. The first arc-shaped groove provides guidance and limitation for the movement of the first connecting rod 2, making the movement trajectory of the first connecting rod 2 more accurate and stable, and ensuring the movement accuracy during the opening and closing of the door and window. A second connecting rod 3 is rotatably connected to one side of the base rod 1. A hollow groove is formed on one side of the second connecting rod 3. A sliding rivet is slidably connected inside the hollow groove. One end of the sliding rivet is rotatably connected to one end of the third connecting rod 4. The sliding connection structure of the slider in the hollow groove allows the third connecting rod 4 to move flexibly within a certain range, providing more movement flexibility for the opening and closing of the door and window, while reducing the weight of the entire structure and lowering the cost. Moreover, the cooperation between the hollow groove and the slider can disperse stress, avoid stress concentration, and improve the service life of the door and window hinges.

[0034] As an embodiment of this utility model, the bottom rod 1 is further provided with a second arc-shaped groove on the side near the second connecting rod 3. A friction screw 13 is slidably connected to the second arc-shaped groove. One end of the friction screw 13 is connected to one end of the second connecting rod 3. By adjusting the position of the friction screw 13 in the second arc-shaped groove, the rotational friction of the second connecting rod 3 can be adjusted, thereby adjusting the resistance when the door and window are opened and closed, so that the user can adjust the shape of the first connecting rod 2 according to their own needs. The shape of the first connecting rod 2 is set as "Z". This special shape can better adapt to the spatial layout between the door and window and the door frame, optimize the force transmission path, make the force distribution when the door and window are opened and closed more evenly, reduce the bending deformation, improve the space utilization, and avoid interference with other components. The connection between the bottom rod 1 and the first connecting rod 2 and the connection between the bottom rod 1 and the third connecting rod 4 are both set as protruding reinforcing ribs. This protruding method increases the contact area of ​​the connection part, can withstand greater stress, and improves the firmness and stability of the connection.

[0035] Specifically, the working principle of this type of door and window hinge is as follows: When the door or window is pushed or pulled, the base rod 1 serves as the basic component, and the first connecting rod 2 rotates around its rotational connection point with the base rod 1. Because the first connecting rod 2 is Z-shaped, its unique shape design allows for better distribution of force during rotation, preventing excessive localized stress. The first connecting rod 2 slides within the first arc-shaped groove of the base rod 1 via the second positioning rivet 11. The first arc-shaped groove provides guidance and limitation, making the movement trajectory of the first connecting rod 2 more precise and allowing for fine-tuning of the door and window opening angle. The rotation of the first connecting rod 2 drives the fourth connecting rod 5 to move. The fourth connecting rod 5 is rotatably connected to the third connecting rod 4 via the first positioning rivet 10. One end of the third connecting rod 4 is rotatably connected to the base rod 1, and the other end is rotatably connected to it via a sliding rivet in the hollowed-out groove of the second connecting rod 3. The second connecting rod 3 is also rotatably connected to the base rod 1, and the friction screw 13 slides within the second arc-shaped groove, adjusting the rotational friction and thus affecting the resistance to opening and closing the door and window. When the second link 3, the third link 4, and the fourth link 5 move in coordination, they form a linkage system, providing flexible rotation at multiple angles and positions for the opening and closing of doors and windows, thus realizing the opening and closing actions of doors and windows. The bent plate at one end of the fifth link 6 is connected to the adjusting component 7 via a fastening screw 8. The adjusting component 7, in turn, engages with the square opening on the bent plate via an adjusting screw 9, ensuring the stability of the adjusting component 7 during the opening and closing of doors and windows. The adjusting component 7 can assist in controlling some actions or functions during the opening and closing of doors and windows. The sealing adjustment component 12 is installed at the end of the base rod 1 near the first link 2, and its adjusting bracket 1201 is connected to the adjusting base 1202 via an adjusting screw 1203. When the adjusting screw 1203 is rotated, the relative position between the adjusting bracket 1201 and the adjusting base 1202 can be adjusted, thereby changing the sealing state. This adjustment method allows for adjustment of the sealing performance of doors and windows according to different usage environments and needs. For example, when higher sealing requirements are needed, adjusting the rotating adjusting screw 1203 to move the adjusting bracket 1201 reduces the distance between it and the fourth link 5, enhancing the sealing effect and improving the airtightness and watertightness of the doors and windows. Conversely, adjusting the rotating adjusting screw 1203 to move the adjusting bracket 1201 increases the distance between it and the fourth link 5. The connection between the bottom rod 1 and the first link 2, as well as the connection between the bottom rod 1 and the third link 4, are set to be protruding, increasing the contact area and enabling these key connection parts to withstand greater stress, ensuring the firmness of the connection. Secondly, the hinge movement is as follows: from the open to the closed state, when the fifth link 6 is forced to unfold outward, it drives the first link 2, the second link 3, and the third link 4 to simultaneously perform a turning movement through the rivet connection. When a certain angle is reached, the first positioning rivet 10 and the second positioning rivet 11 correspondingly and synchronously restrict the opening angle of the hinge.

Claims

1. A hinge for doors and windows, characterized in that, Including the bottom bar (1), one end of the bottom bar (1) is rotatably connected with the first connecting rod (2), one end of the first connecting rod (2) is rotatably connected with the fourth connecting rod (5), the top surface of the fourth connecting rod (5) is connected with the fifth connecting rod (6), the bottom surface of the fourth connecting rod (5) is connected with the first positioning rivet (10), the fourth connecting rod (5) is rotatably connected with the third connecting rod (4), the other end of the third connecting rod (4) is rotatably connected with one end of the bottom bar (1), the middle end of the third connecting rod (4) is connected with the notch of the second connecting rod (3), the other end of the second connecting rod (3) is rotatably connected with the bottom bar (1), the bottom bar (1) is provided with a sealing adjusting component (12) at one end close to the first connecting rod (2), the sealing adjusting component (12) comprises an adjusting seat frame (1201), one side of the adjusting seat frame (1201) is connected with an adjusting screw (1203), the adjusting seat frame (1201) is connected with an adjusting base (1202) through the adjusting screw (1203), and the adjusting seat frame (1201) is riveted on one side with a screw blade (1204).

2. A hinge for doors and windows according to claim 1, characterized in that One end of the fifth connecting rod (6) is provided with a bent plate, one side of the bent plate is inserted with a fastening screw (8), and the bent plate is connected with an adjusting piece (7) through the fastening screw (8).

3. A hinge for a door or window according to claim 2, wherein One side of the adjusting piece (7) is bolted with an adjusting piece screw (9), and one side of the bent plate is provided with a square hole matched with the adjusting piece screw (9).

4. A hinge for doors and windows according to claim 1, characterized in that The bottom bar (1) is provided with a first arc-shaped groove at one side close to the first connecting rod (2), and the first arc-shaped groove is slidably connected with a second positioning rivet (11) in the inside.

5. A hinge for doors and windows according to claim 1, characterized in that One side of the bottom bar (1) is rotatably connected with the second connecting rod (3), one side of the second connecting rod (3) is provided with a hollow groove, and the sliding connecting piece in the hollow groove is a sliding rivet, one end of the sliding rivet is rotatably connected with one end of the third connecting rod (4).

6. A hinge for a door or window according to claim 5, wherein The bottom bar (1) is provided with a second arc-shaped groove at one side close to the second connecting rod (3), the second arc-shaped groove is slidably connected with a friction screw (13), and one end of the friction screw (13) is connected with one end of the second connecting rod (3).

7. A hinge for doors and windows according to claim 1, characterized in that The shape of the first connecting rod (2) is "Z".

8. A hinge for doors and windows according to claim 1, characterized in that The connection between the bottom bar (1) and the first connecting rod (2) and the connection between the bottom bar (1) and the third connecting rod (4) are provided with convex reinforcing ribs.

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