Lower hinge for inward casement door and window
By designing an adjustable lower hinge of the inner casement doors and windows, the fine adjustment of the left and right positions of the doors and windows is achieved using eccentric rivets and adjustment plates, solving the problems of unsmooth opening and poor sealing performance caused by the inability to adjust the traditional hinges, and improving the comfort and sealing performance of doors and windows.
Patent Information
- Application Number
- CN202421185800.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-05-28
AI Technical Summary
The left and right positions of traditional casement doors and windows and doors and window frames cannot be adjusted, resulting in problems such as poor opening or poor sealing performance.
A lower hinge for inner casement doors and windows is designed, including an installation arm and an eccentric rivet. An adjustment plate is provided at the bottom of the installation arm. The eccentric rivet drives the door and window connection components to move through the adjustment plate, achieving fine adjustment of the left and right positions of the doors and windows.
By fine-tuning the left and right positions of the inner casement doors and windows, ensure that the gap between the doors and windows and window frames reaches the best state, ensuring smooth opening and sealing performance.
Smart Images
Figure 00000000_0000_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building door and window hinges, in particular to a lower hinge for an inwardly opened door and window. Background Art
[0002] In the building door and window industry, there are many ways to open doors and windows, among which inward-opening doors and windows are popular because of their advantages such as easy opening and small space occupation. However, during the installation and use of inward-opening doors and windows, it is often necessary to consider the gap between the doors and windows and the window frame, the smoothness of the opening of the doors and windows, and the sealing performance of the doors and windows. These issues are not only related to the comfort of the use of doors and windows, but also involve the insulation, sound insulation, dustproof and other functions of the doors and windows.
[0003] In order to achieve smooth opening and good sealing of doors and windows, the connection parts between doors and windows and window frames are particularly important. Usually, the bottom of the inner casement door and window sash is connected to the door and window frame with a lower hinge. However, the traditional lower hinge and door and window frame are connected in a fixed manner. Once installed, the left and right positions of the inner casement door and window sash and the door and window frame cannot be adjusted. If the installation of the inner casement door and window sash deviates, it will cause problems such as unsmooth opening of the inner casement door and window sash or poor sealing performance. In addition, if the installation position of the inner casement door and window sash deviates and needs to be adjusted, it needs to be disassembled and reinstalled, which not only increases the difficulty of construction, but also prolongs the construction period and increases costs.
[0004] The above defects need to be solved urgently. Utility Model Content
[0005] In order to solve the problem that the left and right positions of existing inward-hung doors and windows and door and window frames cannot be adjusted, resulting in unsmooth opening or poor sealing performance of the inward-hung doors and windows, the utility model provides a lower hinge for the inward-hung doors and windows.
[0006] The technical solution of the utility model is as follows:
[0007] A lower hinge for an inner casement door and window, comprising a mounting arm and an eccentric rivet, wherein an adjusting plate is provided at the bottom of the mounting arm, a first circular hole is provided on the mounting arm, a first waist-shaped hole is provided on the adjusting plate, the first circular hole is provided corresponding to the first waist-shaped hole, and the eccentric rivet passes through the first circular hole and matches with the first waist-shaped hole;
[0008] It also includes a door and window connection assembly and a first rivet, the mounting arm is provided with a second waist-shaped hole, the adjustment plate is provided with a second circular hole, the first rivet passes through the door and window connection assembly, the second waist-shaped hole matches with the second circular hole, and the long axis of the second waist-shaped hole is perpendicular to the long axis of the first waist-shaped hole;
[0009] When the eccentric rivet rotates, the eccentric rivet drives the door and window connection assembly to move leftward or rightward through the adjustment plate, so as to achieve fine adjustment of the left and right positions of the door and window.
[0010] According to the above scheme of the utility model, the door and window connection assembly includes a first connecting arm, a second connecting arm and a supporting arm, one end of the first connecting arm is hinged to the mounting arm, the other end of the first connecting arm is hinged to the supporting arm, one end of the second connecting arm is hinged to the mounting arm, and the other end of the second connecting arm is hinged to the supporting arm.
[0011] According to the above-mentioned solution of the utility model, a first slide groove is arranged on the mounting arm, a second slide groove is arranged on the adjustment plate, and the second rivet passes through the second slide groove and the first slide groove in sequence to be connected with the first connecting arm.
[0012] According to the above-mentioned solution of the utility model, the first sliding groove is arranged along the length direction of the mounting arm, and the second sliding groove is arranged along the length direction of the adjustment plate.
[0013] According to the above-mentioned solution of the utility model, a third sliding groove is provided on the supporting arm, and the third rivet passes through the third sliding groove to be connected with the second connecting arm.
[0014] According to the above-mentioned solution of the utility model, the third sliding groove is arranged along the length direction of the supporting arm.
[0015] According to the utility model of the above scheme, a support part connected to the door and window is provided at the hinge between the first connecting arm and the supporting arm, and a support protrusion is provided at the bottom of the support part on one side close to the door and window, and the support protrusion is connected to the bottom of the door and window.
[0016] According to the above-mentioned solution of the utility model, a connecting gasket is provided between the second connecting arm and the mounting arm, the first rivet passes through the second waist-shaped hole, and the connecting gasket matches with the second circular hole.
[0017] According to the utility model of the above scheme, a third circular hole is further provided on the mounting arm, a third waist-shaped hole is provided on the adjustment plate, and a fourth rivet passes through the third circular hole and the third waist-shaped hole to be connected with the clamping block.
[0018] According to the above-mentioned solution of the utility model, the eccentric rivet passes through the first circular hole and the first waist-shaped hole and is connected to the washer.
[0019] The utility model according to the above scheme has the following beneficial effects:
[0020] In the above-mentioned lower hinge for the inner casement door and window, the eccentric rivet passes through the first circular hole and cooperates with the first waist-shaped hole, so that the eccentric rivet can rotate within a certain range, thereby achieving fine-tuning of the left and right positions of the inner casement door and window, so that the inner casement door and window can be adjusted according to actual conditions during installation to ensure that the gap between the inner casement door and window sash and the window frame reaches the optimal state, which not only ensures the smooth opening of the inner casement door and window, but also improves the sealing performance of the inner casement door and window. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the structure of the utility model;
[0022] Figure 2 This is a disassembled diagram of the utility model;
[0023] Figure 3 It is a structural schematic diagram of the utility model when the inner casement door and window are closed;
[0024] Figure 4 This is a schematic diagram of the position of the mounting arm and the adjustment plate when the inner casement door and window do not need to be adjusted to the left and right positions;
[0025] Figure 5 This is a schematic diagram of the position of the mounting arm and the adjustment plate when the inner casement door and window are fine-tuned to the left;
[0026] Figure 6 This is a schematic diagram of the position of the mounting arm and the adjustment plate when the inner casement door and window are fine-tuned to the right;
[0027] Figure 7 It is a structural diagram of the adjustment plate.
[0028] In the figure, 1. mounting arm; 11. first circular hole; 12. second waist-shaped hole; 13. first slide groove; 14. third circular hole; 2. eccentric rivet; 3. adjustment plate; 31. first waist-shaped hole; 32. second circular hole; 33. second slide groove; 34. third waist-shaped hole; 4. door and window connecting assembly; 41. first connecting arm; 42. second connecting arm; 43. supporting arm; 431. third slide groove; 5. washer; 6. first rivet; 7. second rivet; 8. third rivet; 9. fourth rivet; 100. connecting gasket; 1001. avoidance groove; 200. supporting part; 2001. supporting protrusion. DETAILED DESCRIPTION
[0029] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0030] like Figure 1 , Figure 3 As shown, the utility model provides a lower hinge for an inner casement door and window, comprising a mounting arm 1, an eccentric rivet 2, an adjustment plate 3 and a door and window connection assembly 4. The mounting arm 1 is used to connect with the door and window frame. The adjustment plate 3 is arranged at the bottom of the mounting arm 1, and the adjustment plate 3 cooperates with the mounting arm 1 through the eccentric rivet 2, so as to fine-tune the left and right positions of the door and window. The door and window connection assembly 4 is hinged to the mounting arm 1, and the door and window connection assembly 4 is used to connect with the bottom of the inner casement door and window, so as to connect the inner casement door and window with the door and window frame, thereby realizing the opening and closing of the inner casement door and window.
[0031] like Figure 2 As shown, in this embodiment, the mounting arm 1 is provided with a first circular hole 11, and the adjusting plate 3 is provided with a first waist-shaped hole 31. The first circular hole 11 is provided corresponding to the first waist-shaped hole 31. The eccentric rivet 2 passes through the first circular hole 11 and matches with the first waist-shaped hole 31. The shape of the first waist-shaped hole 31 allows the eccentric rivet 2 to move inside it, that is, the eccentric rivet 2 can rotate within a certain range, thereby achieving fine adjustment of the left and right positions of the inner casement doors and windows, so that the inner casement doors and windows can be adjusted according to actual conditions during the installation process, ensuring that the gap between the inner casement doors and windows and the window frame reaches the optimal state, not only ensuring the smoothness of the opening of the inner casement doors and windows, but also improving the sealing performance of the inner casement doors and windows. In addition, the left and right fine adjustment range of the inner casement doors and windows is 0mm to 1.5mm. Of course, in actual design, the left and right fine adjustment range of the inner casement doors and windows can be designed according to actual needs.
[0032] like Figure 1 , Figure 2 As shown, specifically, the eccentric rivet 2 passes through the first circular hole 11 and the first waist-shaped hole 31 and is connected to the washer 5. The eccentric structure of the eccentric rivet 2 enables the position of the adjustment plate 3 relative to the mounting arm 1 to be changed during rotation. The function of the washer 5 is to prevent the eccentric rivet 2 from falling upwards, thereby improving the stability and reliability of the connection. When the left and right positions of the doors and windows need to be adjusted, the eccentric rivet 2 only needs to be rotated counterclockwise or clockwise. The eccentric rivet 2 uses its eccentric characteristics to drive the door and window connection assembly 4 to move left or right through the adjustment plate 3, while the mounting arm 1 does not move, thereby achieving the purpose of fine-tuning the position of the doors and windows. It is not only easy to operate, but also has high fine-tuning accuracy, which greatly improves the convenience and accuracy of door and window installation.
[0033] like Figure 1 , Figure 2 , Figure 7As shown, in this embodiment, the mounting arm 1 is provided with a second waist-shaped hole 12, the adjusting plate 3 is provided with a second circular hole 32, the first rivet 6 passes through the door and window connecting assembly 4, the second waist-shaped hole 12 matches with the second circular hole 32, and the long axis a1 of the first waist-shaped hole 31 is arranged along the width direction of the adjusting plate 3, and the long axis a2 of the second waist-shaped hole 12 is perpendicular to the long axis a1 of the first waist-shaped hole 31. When the eccentric rivet 2 drives the adjusting plate 3 to move, the first rivet 6 can have a certain movement or adjustment range in the direction of the long axis a2 of the second waist-shaped hole 12, so that it is convenient for the adjusting plate 3 to drive the door and window connecting assembly 4 to move, thereby realizing fine adjustment of the left and right positions of the door and window. In addition, the long axis a2 of the second waist-shaped hole 12 is perpendicular to the long axis a1 of the first waist-shaped hole 31, which can limit the movement of the first rivet 6 in the direction of the short axis b2 of the second waist-shaped hole 12, so that the first rivet 6 can move along the long axis a2 of the second waist-shaped hole 12 with the movement of the adjusting plate 3.
[0034] like Figure 1 , Figure 2 As shown, in this embodiment, the door and window connection assembly 4 includes a first connection arm 41, a second connection arm 42 and a supporting arm 43, the second connection arm 42 is located above the mounting arm 1, the first connection arm 41 is located above the second connection arm 42, and the supporting arm 43 is located above the first connection arm 41. One end of the first connection arm 41 is hinged to the mounting arm 1, the other end of the first connection arm 41 is hinged to the supporting arm 43, one end of the second connection arm 42 is hinged to the mounting arm 1, and the other end of the second connection arm 42 is hinged to the supporting arm 43. Specifically, the inner casement door and window are installed on the supporting arm 43, the mounting arm 1 is provided with a first slide groove 13, the adjustment plate 3 is provided with a second slide groove 33, and the first slide groove 13 is provided corresponding to the second slide groove 33, the second rivet 7 passes through the second slide groove 33 and the first slide groove 13 in sequence and is connected to the first connecting arm 41, so that the second rivet 7 can slide in the first slide groove 13 and the second slide groove 33, thereby realizing the movement of the first connecting arm 41, which is convenient for opening and closing the inner casement door and window. When it is necessary to open or close the inner casement door and window, just gently push the door and window sash, and the second rivet 7 will slide in the first slide groove 13 and the second slide groove 33, thereby driving the first connecting arm 41 to move, making the opening and closing process of the door and window smoother.
[0035] like Figure 1 , Figure 2 As shown, in this embodiment, the first slide groove 13 is arranged along the length direction of the mounting arm 1, and the second slide groove 33 is arranged along the length direction of the adjustment plate 3, and the shapes and sizes of the first slide groove 13 and the second slide groove 33 are the same, which is convenient for the adjustment plate 3 to drive the first connecting arm 41 to move, and it is convenient for the first connecting rod to be parallel to the mounting arm 1 after the inner casement door and window are closed, thereby ensuring the smoothness of the opening of the inner casement door and window.
[0036] like Figure 1, Figure 2 As shown, in this embodiment, the support arm 43 is provided with a third slide groove 431, and the third rivet 8 passes through the third slide groove 431 to connect with the second connecting arm 42. The third slide groove 431 is designed so that the second connecting arm 42 can move along the third slide groove 431 on the support arm 43. When the inner casement door and window need to be opened or closed, the user only needs to gently push the door and window sash, and the second connecting arm 42 will move along the third slide groove 431, making the opening and closing of the door and window easy and smooth. At the same time, due to the design of the third slide groove 431 and the stable connection of the third rivet 8, the inner casement door and window always remain stable during the movement, preventing shaking or derailment. In addition, the third slide groove 431 is arranged along the length direction of the support arm 43, so that the inner casement door and window can move along the axis direction of the support arm 43, thereby achieving maximum opening and closing.
[0037] like Figure 1 , Figure 2 As shown, in this embodiment, the mounting arm 1 is further provided with a third circular hole 14, the adjusting plate 3 is provided with a third waist-shaped hole 34, and the fourth rivet 9 passes through the third circular hole 14 and the third waist-shaped hole 34 to be connected with the clamping block. The third waist-shaped hole 34 ensures that the adjusting plate 3 can be slidably adjusted to a certain extent relative to the mounting arm 1. When the left and right positions of the doors and windows need to be adjusted, the eccentric rivet 2 is rotated, the mounting arm 1, the fourth rivet 9 and the clamping block do not move, and the adjusting plate 3 moves to the left or right, so as to achieve fine adjustment of the left and right positions of the doors and windows.
[0038] like Figure 1 , Figure 2 As shown, in this embodiment, a connecting gasket 100 is provided between the second connecting arm 42 and the mounting arm 1, the first rivet 6 passes through the second waist-shaped hole 12, and the connecting gasket 100 cooperates with the second circular hole 32. The connecting gasket 100 can effectively reduce the friction and wear between the second connecting arm 42 and the mounting arm 1, thereby extending the service life of the door and window system. Secondly, the connecting gasket 100 can also fill the small gap between the second connecting arm 42 and the mounting arm 1, ensuring a tight connection between them, and preventing noise and safety hazards caused by looseness. In addition, an avoidance groove 1001 is provided on the connecting gasket 100, so that the fourth rivet 9 can pass through the third circular hole 14 and the third waist-shaped hole 34 to connect with the clamping block.
[0039] like Figure 1 , Figure 2As shown, in the present embodiment, a support portion 200 connected to the doors and windows is provided at the hinge of the first connecting arm 41 and the supporting arm 43, and a support protrusion 2001 is provided at the bottom of the support portion 200 close to the doors and windows. The support protrusion 2001 is connected to the bottom of the doors and windows, so that the center of gravity of the doors and windows is transferred from the center to the corners, so that the sliding support can better disperse and bear the weight of the doors and windows, which not only improves the load-bearing capacity of the sliding support, but also effectively reduces the occurrence of doors and windows falling, providing residents with a safer and more reliable use experience.
[0040] like Figures 4 to 6 As shown, when the utility model is in use, if the inner casement door and window need to be fine-tuned to the left, the eccentric rivet 2 is rotated counterclockwise so that the eccentric rivet 2 drives the adjustment plate 3 to move to the left, and then the inner casement door and window are driven to move to the left for fine-tuning through the door and window connecting assembly 4; if the inner casement door and window need to be fine-tuned to the right, the eccentric rivet 2 is rotated clockwise so that the eccentric rivet 2 drives the adjustment plate 3 to move to the right, and then the inner casement door and window are driven to move to the right for fine-tuning through the door and window connecting assembly 4.
[0041] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.
[0042] The above is an exemplary description of the utility model patent in conjunction with the accompanying drawings. It is obvious that the implementation of the utility model patent is not limited to the above-mentioned method. As long as various improvements are made by adopting the method concept and technical solution of the utility model patent, or the concept and technical solution of the utility model patent are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.
Claims
1. A lower hinge for an inwardly opened door or window, characterized in that: It comprises a mounting arm and an eccentric rivet, wherein an adjusting plate is provided at the bottom of the mounting arm, a first circular hole is provided on the mounting arm, a first waist-shaped hole is provided on the adjusting plate, the first circular hole is provided corresponding to the first waist-shaped hole, and the eccentric rivet passes through the first circular hole and matches with the first waist-shaped hole; It also includes a door and window connection assembly and a first rivet, the mounting arm is provided with a second waist-shaped hole, the adjustment plate is provided with a second circular hole, the first rivet passes through the door and window connection assembly, the second waist-shaped hole matches with the second circular hole, and the long axis of the second waist-shaped hole is perpendicular to the long axis of the first waist-shaped hole; When the eccentric rivet rotates, the eccentric rivet drives the door and window connection assembly to move leftward or rightward through the adjustment plate, so as to achieve fine adjustment of the left and right positions of the door and window.
2. The lower hinge for an inwardly opening door and window according to claim 1, characterized in that: The door and window connection assembly includes a first connecting arm, a second connecting arm and a supporting arm, one end of the first connecting arm is hinged to the mounting arm, the other end of the first connecting arm is hinged to the supporting arm, one end of the second connecting arm is hinged to the mounting arm, and the other end of the second connecting arm is hinged to the supporting arm.
3. The lower hinge for an inwardly opening door and window according to claim 2, characterized in that: The mounting arm is provided with a first slide groove, the adjusting plate is provided with a second slide groove, and the second rivet passes through the second slide groove and the first slide groove in sequence to be connected with the first connecting arm.
4. The lower hinge for an inwardly opening door and window according to claim 3, characterized in that: The first sliding groove is arranged along the length direction of the mounting arm, and the second sliding groove is arranged along the length direction of the adjustment plate.
5. The lower hinge for an inwardly opening door and window according to claim 2, characterized in that: The supporting arm is provided with a third sliding groove, and the third rivet passes through the third sliding groove and is connected to the second connecting arm.
6. The lower hinge for an inwardly opening door and window according to claim 5, characterized in that: The third sliding groove is arranged along the length direction of the supporting arm.
7. The lower hinge for an inwardly opening door and window according to claim 2, characterized in that: A support portion connected to the door and window is provided at the hinged portion between the first connecting arm and the supporting arm, and a support protrusion is provided at the bottom of one side of the support portion close to the door and window, and the support protrusion is connected to the bottom of the door and window.
8. The lower hinge for an inwardly opening door and window according to claim 2, characterized in that: A connecting gasket is provided between the second connecting arm and the mounting arm, the first rivet passes through the second waist-shaped hole, and the connecting gasket matches with the second circular hole.
9. The lower hinge for an inwardly opening door and window according to claim 1, characterized in that: The mounting arm is also provided with a third circular hole, the adjusting plate is provided with a third waist-shaped hole, and the fourth rivet passes through the third circular hole and the third waist-shaped hole to be connected with the clamping block.
10. The lower hinge for an inwardly opening door and window according to claim 1, characterized in that: The eccentric rivet passes through the first circular hole and the first waist-shaped hole and is connected to the washer.