High-load-bearing door and window hinge

Abstract

The utility model relates to the field of door and window hinges, in particular to a high-load-bearing door and window hinge which comprises a base and a supporting arm, a sliding groove is formed in the base, a sliding block is connected in the sliding groove in a sliding mode, a first connecting rod and a second connecting rod are hinged to the sliding block, one end of the first connecting rod is hinged to the supporting arm, and a fixing rod is fixedly connected in the sliding groove. A third connecting rod is hinged to the fixing rod. The second connecting rod and the third connecting rod are matched to form a first triangular structure, the third connecting rod, the fourth connecting rod and the supporting arm are matched to form a second triangular structure, the stress of the third connecting rod is shared through the supporting effect of the second connecting rod on the third connecting rod, and the situation that the third connecting rod is bent and deformed due to long-time bearing is avoided; the fourth connecting rod and the third connecting rod form a Y-shaped structure, so that the bearing strength of the corbel is further improved, the stress of the middle part of the third connecting rod is shared, and the stability and durability of the whole structure are improved.

Description

Technical Field

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

[0002] In the door and window industry, window sashes are generally fixed to the window frame profile using door and window hinges, and the opening and closing of the window sash is achieved through the linkage mechanism of the door and window hinges. Currently available door and window hinges include concealed hinges, three-link sliding hinges, and four-link sliding hinges, all of which can achieve fixed installation of window sashes.

[0003] Chinese patent CN214835596U discloses a high-load-bearing three-link door and window hinge. By setting a top abutment point, when the door and window hinge is opened, the second link abuts against the first link, so that the first link and the second link are connected and mutually support each other to balance the force. This changes the mechanical structure of the door and window hinge, thereby greatly enhancing the structural strength and load-bearing capacity of the door and window hinge.

[0004] The above solution uses a first link, a second link, and a third link to support the support arm. Although this can achieve the effect of mutual support and balanced force, the third link is a long link, which will bend and deform under the weight, thus affecting the support effect on the window. Moreover, the opening angle of the support arm is difficult to adjust according to the usage requirements.

[0005] Therefore, this utility model provides a high load-bearing door and window hinge to solve the above problems. Utility Model Content

[0006] In order to overcome the shortcomings of the prior art, this utility model provides a high load-bearing door and window hinge. The solution is that although the first, second and third links can support the bracket arm and achieve the effect of mutual support and force balance, the third link is a long link and will bend and deform under the weight, which will affect the support effect on the window. Moreover, the opening angle of the bracket arm is difficult to adjust according to the usage requirements.

[0007] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0008] A high-load-bearing door and window hinge includes a base and a support arm. The base has a sliding groove, and a slider is slidably connected in the sliding groove. A first connecting rod and a second connecting rod are hinged to the slider. One end of the first connecting rod is hinged to the support arm. A fixed rod is fixedly connected in the sliding groove. A third connecting rod is hinged to the fixed rod, and one end of the third connecting rod is hinged to the support arm. The end of the second connecting rod away from the slider is hinged to the third connecting rod. A first triangular structure is formed by the second connecting rod, the base, and the third connecting rod.

[0009] A sliding seat is slidably mounted on the third link, and a fourth link is hinged to the sliding seat. The end of the fourth link away from the sliding seat is hinged to the support arm, forming a second triangular structure through the third link, the fourth link, and the support arm.

[0010] Preferably, the third connecting rod has a sliding groove, the sliding groove has an adjustment groove, and the sliding seat is slidably connected to the adjustment groove.

[0011] Preferably, the support arm has two sets of second screw holes.

[0012] Preferably, a mounting block is fixedly connected to the support arm, and a first screw hole is provided on the mounting block.

[0013] Preferably, it also includes a window, one side of which is attached to the mounting block, and the bottom surface of which is attached to the support arm. The window is installed on the mounting block and the support arm by bolts.

[0014] Preferably, an adjusting seat is fixedly connected inside the slide groove, and an adjusting screw is threadedly connected to the adjusting seat, with one end of the adjusting screw abutting against the slider.

[0015] The beneficial effects of this utility model are as follows:

[0016] 1. The first triangular structure is formed by the cooperation of the second and third links, and the second triangular structure is formed by the cooperation of the third and fourth links and the support arm. The second link supports the third link, which distributes the force of the third link and avoids bending deformation due to long-term load. The fourth link forms a Y-shaped structure with the third link, which further improves the load-bearing strength of the support arm and distributes the force in the middle of the third link, thereby improving the stability and durability of the overall structure.

[0017] 2. By setting an adjustment seat and an adjustment screw in the slide groove, the movement range of the slider can be adjusted by rotating the adjustment screw, thereby controlling the opening angle of the support arm. This allows for flexible adjustment of the opening and closing angle of the window sash according to actual usage needs, improving the applicability of the door and window hinges and the user experience. Attached Figure Description

[0018] Figure 1 The three-dimensional representation of this utility model Figure 1 .

[0019] Figure 2 The three-dimensional representation of this utility model Figure 2 .

[0020] Figure 3 This utility model Figure 2 An enlarged schematic diagram of the structure at point A in the middle.

[0021] Figure 4 This is a schematic diagram of the installation of the window in this utility model.

[0022] In the diagram: 1. Base; 2. Slide groove; 3. Slider; 4. First connecting rod; 5. Support arm; 6. Second connecting rod; 7. Fixed rod; 8. Third connecting rod; 9. Mounting block; 10. First screw hole; 11. Second screw hole; 12. Adjusting groove; 13. Sliding groove; 14. Sliding seat; 15. Fourth connecting rod; 16. Adjusting seat; 17. Adjusting screw; 18. Window. Detailed Implementation

[0023] The following will refer to the attached reference. Figures 1 to 4 The various embodiments of this utility model will be described in detail below. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of this utility model and are not intended to limit the scope of protection of this utility model.

[0024] A type of high load-bearing door and window hinge, such as Figures 1 to 4 As shown, the device includes a base 1 and a support arm 5. The base 1 has a convex groove 2. A slider 3 is slidably connected in the groove 2. When the slider 3 slides in the groove 2, it can only slide laterally and will not move longitudinally out of the groove 2. A first connecting rod 4 and a second connecting rod 6 are hinged to the slider 3. One end of the first connecting rod 4 is hinged to the support arm 5. A fixed rod 7 is fixedly connected in the groove 2. A third connecting rod 8 is hinged to the fixed rod 7, and one end of the third connecting rod 8 is hinged to the support arm 5. The first connecting rod 4 and the third connecting rod 8 form two support points on the support arm 5 to support the support arm 5.

[0025] The end of the second link 6 away from the slider 3 is hinged to the third link 8. The second link 6, the base 1 and the third link 8 form a first triangular structure. The second link 6 supports the third link 8, which can distribute the force on the third link 8 and prevent the third link 8 from bending in the middle due to long-term stress.

[0026] In this embodiment, a sliding seat 14 is slidably disposed on the third link 8, and a sliding groove 13 is provided on the third link 8. An adjustment groove 12 is provided in the sliding groove 13. The sliding seat 14 is slidably connected to the adjustment groove 12 and is located inside the adjustment groove 12. A fourth link 15 is hinged on the sliding seat 14, and the end of the fourth link 15 away from the sliding seat 14 is hinged to the support arm 5. A second triangular structure is formed by the third link 8, the fourth link 15 and the support arm 5.

[0027] When the support arm 5 is opened and closed, the sliding seat 14 will slide inside the adjustment groove 12, thereby changing the state of the fourth link 15. The fourth link 15 can form a new support point on the support arm 5, thereby making the third link 8 into a Y-shaped structure to support the support arm 5. This not only improves the load-bearing strength of the support arm 5, but also distributes the load in the middle of the third link 8.

[0028] The support arm 5 has two sets of second screw holes 11, and the support arm 5 is fixedly connected to the mounting block 9, which has a first screw hole 10.

[0029] In this embodiment, a window 18 is also included. One side of the window 18 is attached to the mounting block 9, and the bottom surface of the window 18 is attached to the support arm 5. The window 18 is installed on the mounting block 9 and the support arm 5 by bolts.

[0030] The window 18 is located at both ends of the third link 8 at the connection point of the support arm 5, and is fixed to the support arm 5 by bolt connection, which can ensure the stability of the window 18 on the support arm 5. The mounting block 9 is located on one side of the window 18 to limit and support it.

[0031] An adjusting seat 16 is fixedly connected inside the slide 2. An adjusting screw 17 is threaded onto the adjusting seat 16. One end of the adjusting screw 17 abuts against the slider 3. By rotating the adjusting screw 17, the extension length of the adjusting screw 17 from one end of the adjusting seat 16 can be adjusted, thereby adjusting the movement range of the slider 3 and limiting the opening angle of the support arm 5.

[0032] It should be noted that in the description of this utility model, terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," which indicate direction or positional relationships, are based on the direction or positional relationships shown in the accompanying drawings. These are used merely for ease of description and do not indicate or imply that the device or element 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. A high load door and window hinge comprising a base (1) and a carrier arm (5), characterized in that, The base (1) is provided with a sliding groove (2), the sliding groove (2) is slidably connected with a sliding block (3), the sliding block (3) is hingedly connected with a first connecting rod (4) and a second connecting rod (6), one end of the first connecting rod (4) is hingedly connected to a supporting arm (5), the sliding groove (2) is fixedly connected with a fixed rod (7), the fixed rod (7) is hingedly connected with a third connecting rod (8), one end of the third connecting rod (8) is hingedly connected to the supporting arm (5), the second connecting rod (6) is hingedly connected to the third connecting rod (8) at an end away from the sliding block (3), and a first triangular structure is formed by the second connecting rod (6), the base (1) and the third connecting rod (8). The third connecting rod (8) is slidably provided with a sliding seat (14), the sliding seat (14) is hingedly connected with a fourth connecting rod (15), and one end of the fourth connecting rod (15) away from the sliding seat (14) is hingedly connected to the supporting arm (5), and a second triangular structure is formed by the third connecting rod (8), the fourth connecting rod (15) and the supporting arm (5).

2. A high load door and window hinge according to claim 1, wherein, The third connecting rod (8) is provided with a sliding groove (13), the sliding groove (13) is provided with an adjusting groove (12), and the sliding seat (14) is slidably connected in the adjusting groove (12).

3. A high load door and window hinge according to claim 1, wherein, The supporting arm (5) is provided with two groups of second screw holes (11).

4. A high load door and window hinge according to claim 3, wherein, The supporting arm (5) is fixedly connected with a mounting block (9), and the mounting block (9) is provided with a first screw hole (10).

5. A high load door and window hinge according to claim 4, wherein, A window body (18) is further included, one side of the window body (18) abuts against the mounting block (9), the bottom surface of the window body (18) abuts against the supporting arm (5), and the window body (18) is installed on the mounting block (9) and the supporting arm (5) through bolts.

6. A high load door and window hinge according to claim 1, wherein, The sliding groove (2) is fixedly connected with an adjusting seat (16), the adjusting seat (16) is threadedly connected with an adjusting screw rod (17), and one end of the adjusting screw rod (17) abuts against the sliding block (3).

Images