Three-dimensional adjustable inward casement window hinge
The multi-dimensional adjustment mechanism of the three-dimensional adjustable inward casement window hinge solves the problems of window sash tilt and poor compatibility, achieving high-precision installation of the window sash and excellent sealing and wind pressure resistance, and is suitable for a variety of window profiles.
Patent Information
- Application Number
- CN202422699746.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-11-05
AI Technical Summary
The existing inward-opening casement window hinges have a single adjustment direction, which causes the window frame and window sash to be non-coplanar, and the sash to tilt due to gravity, affecting the sealing performance and appearance, and resulting in poor compatibility.
A three-dimensional adjustable inward-opening casement window hinge is provided. By setting up left-right, up-down, and front-back adjustment mechanisms, the window sash can be adjusted in multiple dimensions. It includes a sash fixing base, a first link, a second link, a third link, and a frame fixing base. The maximum opening angle can be freely switched between 90° and 180°.
It improves the installation accuracy and reliability of window sashes, ensures sealing, enhances wind pressure resistance, has a wide range of applications, strong compatibility, and a long service life.
Smart Images

Figure CN223621408U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of door and window technology, specifically to a three-dimensional adjustable inward-opening window hinge. Background Technology
[0002] The existing inward-opening window hinges on the market have a single adjustment direction, which cannot effectively solve the problems in the actual use of inward-opening windows (such as the window frame and window sash not being coplanar, and the sash tending to tilt towards the door handle side due to gravity, affecting the door's sealing performance and appearance). In addition, there are many aluminum alloy window sash profiles with flush frames and sashes on the market, resulting in poor compatibility of inward-opening window hinges. Summary of the Invention
[0003] To address the aforementioned technical problems, this utility model provides a three-dimensional adjustable inward-opening window hinge, which can adjust the hinge installation position in the front-back, left-right, and up-down directions. The maximum opening angle can be freely switched between 90° and 180°. It has a wide range of applications, strong compatibility, is sturdy and durable, and has excellent sealing performance, wind pressure resistance, and service life.
[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: A three-dimensional adjustable inward-opening window hinge is provided. The three-dimensional adjustable inward-opening window hinge includes a sash fixing seat, a first connecting rod, a second connecting rod, a third connecting rod, and a frame fixing seat. The frame fixing seat is used for fixed connection with the window frame, and the sash fixing seat is used for fixed connection with the window sash. The frame fixing seat is provided with a left-right adjustment mechanism, which includes an adjusting rivet and a frame adjusting block. The frame adjusting block is located at the bottom of the frame fixing seat. The adjusting rivet passes through one end of the frame fixing seat and is riveted to the frame adjusting block at the bottom. One end of the first connecting rod is riveted to both the frame fixing seat and the other end of the frame adjusting block. The other end of the first connecting rod is riveted to... One end of the second connecting rod is riveted to the fan mounting base, and the other end of the second connecting rod is riveted to the fan mounting base. One end of the third connecting rod is riveted to the slide groove of the frame mounting base, and the middle part of the third connecting rod is riveted to the middle part of the first connecting rod. One end of the fan mounting base is also provided with a vertical adjustment mechanism, which includes a rotating shaft and a set screw. One end of the fan mounting base is connected to the rotating shaft, and the set screw is provided at the top of the rotating shaft. The fan mounting base is also provided with a front-back adjustment mechanism, which includes a fan adjusting block and an adjusting screw. The fan adjusting block is located on one side of the fan mounting base, and the adjusting screw passes through the through hole of the fan mounting base from the opposite side of the fan adjusting block and abuts against the fan adjusting block.
[0005] A pad is also provided between the first connecting rod and the frame fixing seat.
[0006] The frame fixing base and the frame adjusting block are respectively fixed by frame threaded plates and solid rivets.
[0007] A gasket is provided between the third connecting rod and the frame fixing seat.
[0008] The fan mounting base also has a stop block on its back.
[0009] The beneficial effects of this utility model are as follows: Unlike existing technologies, this utility model provides a three-dimensional adjustable inward-opening window hinge, including a sash fixing seat, a first connecting rod, a second connecting rod, a third connecting rod, and a frame fixing seat. The frame fixing seat is equipped with a left-right adjustment mechanism for adjusting the left and right movement of the window sash. One end of the sash fixing seat is connected to a rotating shaft, and the top of the rotating shaft is equipped with a set screw for up-down adjustment. The sash fixing seat also has a front-back adjustment mechanism for adjusting the front-back movement of the window sash. When the inward-opening window sash is subjected to a certain positive wind pressure, the sash fixing seat contacts the frame adjustment block, enhancing the wind pressure resistance of the window sash. The maximum opening angle of the window sash can be freely switched between 90° and 180°. Through this structural design, the window sash can be adjusted up-down, front-back, and left-right, effectively improving the installation accuracy and reliability of doors and windows, and ensuring the sealing performance of doors and windows. It has a wide range of applications, strong compatibility, is robust and durable, and has excellent sealing performance, wind pressure resistance, and service life. Attached Figure Description
[0010] Figure 1 This is an exploded view of a 3D adjustable inward-opening casement window hinge;
[0011] Figure 2 This is a schematic diagram of the three-dimensional adjustable inward-opening casement window hinge structure;
[0012] Figure 3 This is a schematic diagram of the front structure of a three-dimensional adjustable inward-opening casement window hinge;
[0013] Figure 4 It is along Figure 3 A cross-sectional view showing section line AA;
[0014] Figure 5 This is a schematic diagram of the side structure of a three-dimensional adjustable inward-opening casement window hinge;
[0015] Figure 6 This is a schematic diagram showing the hinge's maximum opening angle of 90°.
[0016] Figure 7 This is a schematic diagram showing that the hinge's maximum opening angle is 180°.
[0017] Figure 8 This is a diagram showing hinges installed on doors and windows.
[0018] The following are the labels in the diagram: 1. Frame fixing seat; 2. First connecting rod; 3. Second connecting rod; 4. Third connecting rod; 5. Fan fixing seat; 6. Front and rear adjustment mechanism; 61. Adjusting rivet; 62. Frame adjusting block; 11. Slide groove; 7. Up and down adjustment mechanism; 71. Rotating shaft; 72. Set screw; 8. Front and rear adjustment mechanism; 81. Fan adjusting block; 82. Adjusting screw; 9. Pad; 10. Frame threaded plate; 12. Solid rivet; 13. Washer; 14. Stop block; 100. Frame edge profile; 200. Hinge; 300. Fan edge profile. Detailed Implementation
[0019] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. Preferred embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.
[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0021] Please see Figures 1-8These figures are schematic diagrams of the structure and components of the three-dimensional adjustable inward-opening window hinge of this utility model. As shown, this utility model embodiment provides a three-dimensional adjustable inward-opening window hinge, the overall structure of which includes a sash fixing seat 5, a first connecting rod 2, a second connecting rod 3, a third connecting rod 4, and a frame fixing seat 1. The frame fixing seat 1 is used for fixed connection with the window frame, and the sash fixing seat 5 is used for fixed connection with the window sash. A left-right adjustment mechanism 6 is provided on the frame fixing seat 1. The left-right adjustment mechanism 6 includes an adjusting rivet 61 and a frame adjusting block 62. The frame adjusting block 62 is located at the bottom of the frame fixing seat 1. The adjusting rivet 61 passes through one end of the frame fixing seat 1 and is riveted to the bottom frame adjusting block 62. One end of the first connecting rod 2 is riveted to both the frame fixing seat 1 and the other end of the frame adjusting block 62. The other end of the connecting rod 2 is riveted to one end of the second connecting rod 3, and the other end of the second connecting rod 3 is riveted to the fan fixing seat 5. One end of the third connecting rod 4 is riveted to the slide groove 11 of the frame fixing seat 1. The middle part of the third connecting rod 4 is riveted to the middle part of the first connecting rod 2. One end of the fan fixing seat 5 is also provided with a vertical adjustment mechanism 7, which includes a rotating shaft 71 and a set screw 72. One end of the fan fixing seat 5 is connected to the rotating shaft 71, and the top end of the rotating shaft 71 is provided with a set screw 72. The fan fixing seat 5 is also provided with a front and rear adjustment mechanism 8, which includes a fan adjusting block 81 and an adjusting screw 82. The fan adjusting block 81 is located on one side of the fan fixing seat 5, and the adjusting screw 82 passes through the through hole of the fan fixing seat 5 from the opposite side of the fan adjusting block 81 and abuts against the fan adjusting block 81.
[0022] This utility model's three-dimensional adjustable inward-opening window hinge moves the window sash left and right by adjusting rivets to drive the frame adjustment block to move left and right (e.g., ...). Figure 3 As shown). The window sash moves up and down by the relative movement of the set screw and the hinge's rotating axis (as shown). Figure 3 , Figure 4 As shown). By adjusting the screws, the relative displacement between the sash adjusting block and the sash fixing seat is achieved, thereby causing the window sash to move back and forth (as shown). Figure 3 , Figure 4 (As shown). The hinge of this utility model can be adjusted left and right by ±1.5mm, up and down by +3mm, and forward and backward by -1.5 to 1mm. It can effectively improve the installation accuracy and reliability of door and window sashes, and ensure the sealing performance of door and window sashes. It has a wide range of applications, strong compatibility, is sturdy and durable, and has excellent sealing performance, wind pressure resistance and service life.
[0023] In one possible implementation, a pad 9 is also provided between the first connecting rod 2 and the frame fixing seat 1.
[0024] In one possible implementation, the frame fixing base 1 and the frame adjusting block 62 are respectively fixed by the frame threaded fastener 10 and the solid rivet 12. The use of the frame threaded fastener and the solid rivet enables the window frame to be installed via a threaded fastener screw-press structure, resulting in a simple and convenient fixing method.
[0025] In one possible implementation, a gasket 13 is provided between the third link 4 and the frame fixing seat 1.
[0026] In one possible implementation, a stop 14 is also provided on the back of the fan mounting base 5.
[0027] When the inward-opening casement window is subjected to a certain positive wind pressure, the sash fixing seat contacts the stop block on the back of the frame adjusting block, enhancing the sash's wind pressure resistance. Furthermore, the maximum opening angle of the three-dimensional adjustable inward-opening casement window hinge of this invention is 180°, and the maximum opening angle of the window sash can be freely switched between 90° and 180° (e.g., Figure 6 , Figure 7 (As shown).
[0028] The hinge structure of this invention is composed of 304 stainless steel rods and zinc alloy components, thereby further enhancing the wind pressure resistance and load-bearing capacity of inward-opening casement windows. Testing shows that the hinge of this invention has a maximum load-bearing capacity of 90 kg, is widely applicable, sturdy and durable, and suitable for standard European standard 20mm groove aluminum alloy doors and windows with flush frames and sashes. It possesses excellent sealing performance, wind pressure resistance, and service life.
[0029] The above detailed description of the three-dimensional adjustable inward-opening casement window hinge, combined with the accompanying drawings, explains that the hinge includes a sash fixing seat, a first connecting rod, a second connecting rod, a third connecting rod, and a frame fixing seat. The frame fixing seat has a left-right adjustment mechanism for adjusting the left and right movement of the window sash. One end of the sash fixing seat is connected to a rotating shaft, and the top of the rotating shaft has a set screw for up-down adjustment. The sash fixing seat also has a front-back adjustment mechanism for adjusting the front-back movement of the window sash. When the inward-opening casement window sash is subjected to a certain positive wind pressure, the sash fixing seat contacts the frame adjustment block, enhancing the window sash's wind pressure resistance. The maximum opening angle of the window sash can be freely switched between 90° and 180°. This structural design allows for up-down, front-back, and left-right adjustment of the window sash, effectively improving the installation accuracy and reliability of doors and windows, and ensuring their sealing performance. It has a wide range of applications, strong compatibility, is robust and durable, and possesses excellent sealing performance, wind pressure resistance, and service life.
[0030] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A three-dimensional adjustable inward-opening window hinge, characterized in that, The three-dimensional adjustable inward-opening casement window hinge includes a sash fixing seat, a first connecting rod, a second connecting rod, a third connecting rod, and a frame fixing seat. The frame fixing seat is used for fixed connection to the window frame, and the sash fixing seat is used for fixed connection to the window sash. The frame fixing seat is provided with a left-right adjustment mechanism, which includes an adjusting rivet and a frame adjusting block. The frame adjusting block is located at the bottom of the frame fixing seat, and the adjusting rivet passes through one end of the frame fixing seat and is riveted to the bottom frame adjusting block. One end of the first connecting rod is riveted to both the frame fixing seat and the other end of the frame adjusting block, and the other end of the first connecting rod is riveted to one end of the second connecting rod. The other end of the second connecting rod is riveted to... On the fan mounting base, one end of the third connecting rod is riveted to the slide groove of the frame mounting base, and the middle part of the third connecting rod is riveted to the middle part of the first connecting rod. One end of the fan mounting base is also provided with a vertical adjustment mechanism, which includes a rotating shaft and a set screw. One end of the fan mounting base is connected to the rotating shaft, and the set screw is provided at the top of the rotating shaft. The fan mounting base is also provided with a front-back adjustment mechanism, which includes a fan adjustment block and an adjustment screw. The fan adjustment block is located on one side of the fan mounting base, and the adjustment screw passes through the through hole of the fan mounting base from the opposite side of the fan adjustment block and abuts against the fan adjustment block.
2. The three-dimensional adjustable inward-opening window hinge according to claim 1, characterized in that, A pad is also provided between the first connecting rod and the frame fixing seat.
3. The three-dimensional adjustable inward-opening window hinge according to claim 1, characterized in that, The frame fixing base and the frame adjusting block are respectively fixed by frame threaded plates and solid rivets.
4. The three-dimensional adjustable inward-opening window hinge according to claim 1, characterized in that, A gasket is provided between the third connecting rod and the frame fixing seat.
5. The three-dimensional adjustable inward-opening window hinge according to claim 1, characterized in that, A stop block is also provided on the back of the fan mounting base.