Inwardly opening inwardly tilting window with straight pull rod top hinge

Abstract

The application discloses a straight pull rod type upper hinge of an inward opening and inward tilting window and belongs to the field of inward opening and inward tilting windows. The upper hinge is used for connecting a window sash and a window frame and solves the problem of supporting two sides of the window sash in an inward tilting state. The upper hinge comprises a casement connecting rod mechanism, a main connecting rod and a lock rod. The casement connecting rod mechanism is used for being installed between the window frame and the lock rod. The main connecting rod is used for being installed at the top or the bottom of the window sash. The lock rod and the main connecting rod can be locked and unlocked. Two vertical pull rods are respectively rotationally connected to the two sides of the window sash. One vertical pull rod is rotationally connected to the main connecting rod, and the other vertical pull rod is rotationally connected to the window frame.

Description

Technical Field

[0001] This invention belongs to the field of inward-opening and tilt-and-turn windows, and specifically relates to an upper hinge that is supported by tie rods on both sides of the window sash in the tilt-and-turn state. Background Technology

[0002] In general, the inward opening state of an inward-opening and tilt-and-turn window is achieved through an upper hinge. This upper hinge is equipped with both an inward-opening linkage mechanism and an inward-tilting linkage mechanism. These two linkage mechanisms connect numerous hinge components such as support plates, mounting plates, and connecting rods. If these two linkage mechanisms are installed overlappingly on the window sash and frame, not only is the linkage structure complex and difficult for the user to operate, but the thickness of the hinge itself is also increased, making hinge installation difficult. In particular, when the inward-tilting linkage mechanism is opened, the stress is concentrated at the cantilever end of the inward-opening linkage mechanism. The support force at this cantilever end is relatively weak, and the inward-tilting linkage mechanism opens on only one side relative to the window sash, leaving the other side of the window sash without support. This results in an imbalance of support on both sides of the window sash, making it prone to deformation in windy conditions. Summary of the Invention

[0003] The purpose of this invention is to provide a straight-pull-rod type upper hinge for an inward-opening and tilt-and-turn window, which enables the window sash to be supported on both sides when tilted inward.

[0004] The inward-opening and tilt-and-turn window's straight-pull-rod top hinge includes a casement linkage mechanism, a main connecting rod, and a locking rod. The casement linkage mechanism is installed between the window frame and the locking rod. The main connecting rod is installed at the top or bottom of the window sash. The locking rod and the main connecting rod can be locked and unlocked. A vertical pull rod is rotatably connected to each side of the window sash. One vertical pull rod is rotatably connected to the main connecting rod, and the other vertical pull rod is rotatably connected to the window frame.

[0005] A vertical tie rod is slidably installed on one side of the window sash via a first slider, and a limiting block is provided on one side of the window sash for limiting the first slider.

[0006] The main connecting rod is provided with a locking pin, and the locking rod is provided with a locking groove along its length. One end of the locking groove is open and the other end is closed. The opening is located on the side of the locking groove, and the locking pin can enter the locking groove through the opening and slide along the locking groove.

[0007] The main connecting rod is slidably connected to a positioning block, and the locking rod is provided with a positioning groove for engaging the positioning block.

[0008] The other side of the window sash is provided with a first sliding groove along its length. One end of the first sliding groove is open and the other end is closed. Another vertical tie rod is slidably connected along the first sliding groove.

[0009] The first slide is connected to the corner unit via a secondary connecting rod, and the corner unit is connected to the main connecting rod. The main connecting rod, the secondary connecting rod, and the first slide form a linkage structure.

[0010] The window frame is equipped with a fixing block, which has a limiting groove. Another vertical tie rod is rotatably connected to the fixing block. It can be confined to the limiting groove.

[0011] The secondary connecting rod is equipped with a locking platform, and the window frame is equipped with a locking block for engaging the locking platform.

[0012] The swing linkage mechanism includes a frame fixing plate, a first support plate, a second support plate, and a third support plate. The first support plate and the second support plate are arranged crosswise and are rotatably connected at their intersection. The first support plate is rotatably connected to the locking rod through the third support plate. The first support plate is slidably and rotatably connected to the frame fixing plate, and the second support plate is rotatably connected to the frame fixing plate.

[0013] The frame fixing plate is provided with a second sliding groove along its length direction. The first support plate is installed in the second sliding groove through the second slider. The first support plate is rotatably connected to the second slider by rivets. A flange is provided on one side of the second sliding groove. A protruding plate is provided on both sides of the second slider. The two protruding plates are arranged in parallel. One protruding plate is inserted below the bent edge, and the other protruding plate is pressed against the outer edge of the second sliding groove.

[0014] This invention eliminates the linkage mechanism for achieving the tilt-in state in existing inward-opening windows, greatly simplifying the hinge structure, reducing hinge thickness, facilitating processing and assembly, and overcoming the drawbacks of uneven force distribution and easy hinge deformation caused by unilateral support of the window sash in the tilt-in state. This invention utilizes vertical tie rods for support from both sides in the tilt-in state, ensuring balanced support forces on both sides of the window sash, making the window not only stable when tilted inward but also easy to operate. Attached Figure Description

[0015] Figure 1 This is a perspective view of the straight-pull-rod type upper hinge of the inward-opening and inward-tilting window of the present invention in its casement state. Figure 2 for Figure 1 Exploded view of a swing linkage mechanism; Figure 3 This is a perspective view of the inward tilting state of the straight-pull-rod type upper hinge of the inward-opening and tilting window of the present invention. Implementation

[0016] The present invention will now be described in further detail with reference to the accompanying drawings.

[0017] like Figure 1 , 2As shown, the straight-pull rod type upper hinge of the inward-opening and tilt-and-turn window is applied to the upper hinge of the inward-opening and tilt-and-turn window. The straight-pull rod type upper hinge of the inward-opening and tilt-and-turn window includes a casement linkage mechanism 1, a main connecting rod 2, and a locking rod 3. The main connecting rod 2 is inserted and installed in the profile groove at the top of the window sash. The casement linkage mechanism 1 includes a frame fixing plate 4, a first support plate 5, a second support plate 6, and a third support plate 7. The first support plate 5 and the second support plate 6 are arranged crosswise, and the intersection of the first support plate 5 and the second support plate 6 is rotatably connected by rivets. The first support plate 5 is rotatably connected to the locking rod 3 by rivets through the third support plate 7, and the second support plate 6 is rotatably connected to the frame fixing plate 4 by rivets. The frame fixing plate 4 is inserted into the profile groove at the top of the window frame. The frame fixing plate 4 has a second sliding groove 8 along its length. The first support plate 5 is installed in the second sliding groove 8 through the second slider 9. The first support plate 5 is rotatably connected to the second slider 9 by rivets. The second slider 9 is preferably a copper slider. A bent edge 10 is provided on one side of the second sliding groove 8. A protruding plate 11 is provided on each side of the second slider 9. The two protruding plates 11 are arranged in parallel. One protruding plate 11 is inserted below the bent edge 10, and the other protruding plate 11 is pressed against the outer edge of the second sliding groove 8.

[0018] When the hinged linkage mechanism 1 is opened, it is in the inward-opening state, and the center of gravity is biased towards one side of the window sash. Therefore, the side of the bent edge 10 of the second slide groove 8 is the main force-bearing side. The second slider 9 slides along the lower part of the bent edge 10 via a protrusion 11, reducing friction and wear. However, the side of the second slide groove 8 opposite the bent edge 10 (i.e., the outer edge of the second slide groove 8) is the secondary force-bearing side. Even if its sliding surface is a rough surface formed by punching, the friction is small because the protrusion 11 of the second slider 9 slides along its upper surface, resulting in less wear on the second slider 9. Thus, the two protrusions 11 of the second slider 9 are on different sliding planes with a height difference. By using protrusions 11 of different heights on both sides of the second slider 9 to slide along the second slide groove 8, the second slider 9 is limited while reducing the friction between the second slider 9 and the second slide groove 8, thus improving the durability of the second slider 9.

[0019] like Figure 1 , 3As shown, the positioning block 17 is slidably installed on the main connecting rod 2 via the sliding sleeve 26, and the locking rod 3 is provided with a positioning groove 18. A vertical pull rod 12 is rotatably connected to each side of the window sash via rivets. The right vertical pull rod 12 is rotatably connected to the main connecting rod 2, and the left vertical pull rod 12 is rotatably connected to the window frame. A first sliding groove 19 is provided on the left side of the window sash along its length. The first sliding groove 19 is open at one end and closed at the other, and the left vertical pull rod 12 is slidably connected along the first sliding groove 19. The first sliding groove 19 is connected to the corner bracket 21 via the secondary connecting rod 20, and the corner bracket 21 is connected to the main connecting rod 2. The main connecting rod 2, the secondary connecting rod 20, and the first sliding groove 19 form a linkage structure. A fixing block 22 is provided on the left side of the window frame. The fixing block 22 is provided with a limiting groove 23, and the left vertical pull rod 12 is rotatably connected to the fixing block 22 via rivets. The vertical pull rod 12 can be inserted along its width direction and limited to the limiting groove 23. The secondary connecting rod 20 is equipped with a locking platform 24, and the window frame is equipped with a locking block 25 for engaging the locking platform 24, thereby closing and locking the window sash to the window frame. The vertical pull rod 12 on the right side is slidably installed on the right side of the window sash via a first slider 13, and the right side of the window sash is equipped with a limiting block 14 for limiting the first slider 13. The main connecting rod 2 is equipped with a locking pin 15, and the locking rod 3 is equipped with a locking groove 16 along its length direction. The locking groove 16 is open at one end and closed at the other end, with the opening located on the side of the locking groove 16.

[0020] like Figure 1 , 2 As shown in Figure 3, the main connecting rod 2, the secondary connecting rod 20, and the first sliding groove 19 installed on the window sash are linked together by the handle. The main connecting rod 2 drives the locking pin 15 to enter the locking groove 16 from the opening and slide along the locking groove 16 until the locking pin 15 is completely hooked by the locking groove 16, and the positioning block 17 is inserted into the positioning groove 18. The window sash is pulled inward to open the casement linkage mechanism 1. The vertical pull rod 12 on the left side is disengaged from the first sliding groove 19 and is inserted into the limiting groove 23. At this time, the window sash is in the inward opening state.

[0021] The linkage structure formed by the handle installed on the window sash and the main connecting rod 2, the secondary connecting rod 20, and the first sliding groove 19 is adjusted in the opposite direction. The main connecting rod 2 drives the locking pin 15 to slide in the opposite direction along the locking groove 16 to the opening, pulling the window sash inward. The locking pin 15 disengages from the locking groove 16, the positioning block 17 disengages from the positioning groove 18, and the two vertical pull rods 12 are opened. The right vertical pull rod 12 is limited by the limiting block 14, and the left vertical pull rod 12 is limited by the first sliding groove 19. At this time, the window sash is in the tilt-in state. In the tilt-in state, the vertical pull rods 12 support from both sides, so that the supporting force on both sides of the window sash is balanced, making the window sash not only stable when tilted inward but also easy to operate.

Claims

1. A straight-pull rod type upper hinge for an inward-opening and tilt-and-turn window, characterized in that, The system includes a casement linkage mechanism (1), a main connecting rod (2), and a locking rod (3). The casement linkage mechanism (1) is installed between the window frame and the locking rod (3). The main connecting rod (2) is installed at the top or bottom of the window sash. The casement linkage mechanism (1) includes a frame fixing plate (4), a first support plate (5), a second support plate (6), and a third support plate (7). The first support plate (5) and the second support plate (6) are arranged crosswise, and the intersection of the first support plate (5) and the second support plate (6) is rotatably connected. The first support plate (5) The third support plate (7) is rotatably connected to the locking rod (3). The first support plate (5) is slidably and rotatably connected to the frame fixing plate (4). The second support plate (6) is rotatably connected to the frame fixing plate (4). The locking rod (3) and the main connecting rod (2) can be locked and unlocked. A vertical pull rod (12) is rotatably connected to each side of the window sash. One vertical pull rod (12) is rotatably connected to the main connecting rod (2), and the other vertical pull rod (12) is rotatably connected to the window frame. One vertical pull rod (12) is slidably installed on the window sash via the first slider (13). On one side, a limiting block (14) for limiting the first slider (13) is provided on one side of the window sash. On the other side of the window sash, a first sliding groove (19) is provided along its length. The first sliding groove (19) is open at one end and closed at the other end. Another vertical pull rod (12) is slidably connected along the first sliding groove (19). The first sliding groove (19) is connected to the corner device (21) through the secondary connecting rod (20). The corner device (21) is connected to the main connecting rod (2). The main connecting rod (2), the secondary connecting rod (20), and the first sliding groove (19) form a linkage. The structure includes a fixed block (22) for the window frame, a limiting groove (23) for the fixed block (22), and another vertical tie rod (12) for rotational connection to the fixed block (22) and limiting position in the limiting groove (23). The main connecting rod (2) is provided with a locking pin (15), and the locking rod (3) is provided with a locking groove (16) along its length. The locking groove (16) is open at one end and closed at the other end. The opening is located on the side of the locking groove (16), and the locking pin (15) can enter the locking groove (16) from the opening and slide along the locking groove (16).

2. The straight-pull rod type upper hinge for the inward-opening and tilt-and-turn window according to claim 1, characterized in that, The main connecting rod (2) is slidably connected to a positioning block (17), and the locking rod (3) is provided with a positioning groove (18) for engaging the positioning block (17).

3. The straight-pull rod type upper hinge for the inward-opening and tilt-and-turn window according to claim 1, characterized in that, The secondary connecting rod (20) is provided with a locking platform (24), and the window frame is provided with a locking block (25) for engaging the locking platform (24).

4. The straight-pull rod type upper hinge for an inward-opening and tilt-and-turn window according to claim 1, characterized in that, The frame fixing plate (4) is provided with a second slide groove (8) along its length direction. The first support plate (5) is installed in the second slide groove (8) through the second slider (9). The first support plate (5) is rotatably connected to the second slider (9) by rivets. A bent edge (10) is provided on one side of the second slide groove (8). A protruding plate (11) is provided on both sides of the second slider (9). The two protruding plates (11) are arranged in parallel. One protruding plate (11) is inserted into the lower part of the bent edge (10), and the other protruding plate (11) is pressed against the outer edge of the second slide groove (8).

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