Hinge structure for door frame
By designing a hinge structure for door frames, using the combination of mounting grooves, bottom plates and opening and closing components, the problem of the opening and closing angle of door leafs and door frames in the prior art is solved, and the effect of angle adjustment and hinge wear reduction is achieved.
Patent Information
- Application Number
- CN202421619643.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-07-10
AI Technical Summary
The hinge structures of existing door leaf and door frames cannot adjust the opening and closing angle, resulting in the door leaf being easily closed or fully opened during ventilation, and the hinge piece is prone to collision and wear.
A hinge structure is designed, including a door leaf hinge piece, a door frame hinge piece and a rotating shaft. The door leaf opening and closing angle is adjusted through the installation groove, the bottom plate, the first and second opening and closing components and the magnetic suction connection.
The opening and closing angle of the door leaf and door frame is adjusted, which reduces hinge wear, is simple in structure and convenient in operation, and does not require additional support and closing structure.
Smart Images
Figure CN222962661U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of door frame connectors, in particular to a hinge structure for a door frame. Background Art
[0002] The door frame is fixed on the wall, the door leaf is connected to the door frame through a hinge and rotates relative to the door frame. The hinge has a rotating shaft and two hinge plates, and the two hinge plates are respectively fixed to the door frame and the door leaf.
[0003] During the opening and closing process of the existing door leaf and door frame, the opening and closing angle of the door leaf and the door frame cannot be adjusted. When it is necessary to open the door leaf half for ventilation, the door leaf is often closed or fully opened under the influence of the wind. The existing technology often adds additional support connecting rods to adjust the opening and closing of the door leaf, resulting in a high installation cost.
[0004] The opening degree cannot be directly adjusted through the hinge of the door leaf and the door frame. At the same time, when the door leaf and the door frame are closed, the two hinge plates of the hinge are prone to collision, causing wear of the hinge.
[0005] Therefore, a hinge structure is needed that can adjust the opening and closing angle of the door leaf and reduce hinge wear. Summary of the Utility Model
[0006] The purpose of the utility model is to provide a hinge structure for a door frame to solve the problems existing in the background art.
[0007] The purpose of the utility model is achieved by the following technical solutions:
[0008] A hinge structure for a door frame includes a door leaf hinge plate, a door frame hinge plate and a rotating shaft. An installation groove is provided at the position of the door frame corresponding to the door frame hinge plate. The door frame hinge plate is located in the installation groove. A bottom plate, a first opening and closing assembly and a second opening and closing assembly are provided on one side of the door frame hinge plate close to the door leaf hinge plate. The bottom plate is hinged to the door frame hinge piece. The first opening and closing assembly and the second opening and closing assembly are respectively hinged to the bottom plate. A first abutting head is provided on one side of the door leaf hinge plate close to the first opening and closing assembly. The first abutting head is magnetically connected to the first opening and closing assembly. The second opening and closing assembly is also magnetically connected to the first opening and closing assembly. The first opening and closing assembly is close to the door leaf side, and the second opening and closing assembly is located between the first opening and closing assembly and the bottom plate. The first opening and closing assembly is used to limit the opening and closing angle of the door leaf, and the second opening and closing assembly is used to limit the opening and closing angle of the door leaf and the second opening and closing assembly.
[0009] Further, the first opening and closing assembly includes a first limiting plate and a first spring. One side of the first limiting plate close to the rotating shaft is hinged to the bottom plate. One end of the first spring is connected to the first limiting plate, and the other end of the first spring is connected to the bottom plate.
[0010] Further, a first magnet is provided on one side of the first limiting plate close to the first abutting head. The first abutting head is magnetically connected to the first limiting plate through the first magnet.
[0011] Further, the second opening and closing assembly includes a second limiting plate and a second spring. One side of the second limiting plate close to the rotating shaft is hinged to the bottom plate. One end of the second spring is connected to the second limiting plate, and the other end of the second spring is connected to the bottom plate.
[0012] Further, a second abutting head is provided on one side of the first limiting plate close to the second limiting plate. A second magnet is provided at the position of the second limiting plate corresponding to the second abutting head.
[0013] The beneficial effects of the present utility model are as follows:
[0014] 1) The angle between the door leaf and the door frame can be adjusted, which is convenient for use. The opening and closing angles of the door leaf are limited by the first opening and closing assembly and the second opening and closing assembly. At the same time, setting multiple opening and closing assemblies can increase the adjustment range.
[0015] 2) The structure is simple and the operation is convenient. The door leaf and the door frame can have limited buffering. The structure is simple and the operation is convenient. There is no need to additionally set a supporting opening and closing structure, and the angle control of the door leaf can be completed through the hinge structure. Description of the Drawings
[0016] Figure 1 is the initial installation drawing of a hinge structure for a door frame according to the present utility model;
[0017] Figure 2 is the perspective view of a hinge structure for a door frame according to the present utility model;
[0018] Figure 3 is the schematic diagram when the door leaf and the door frame of the present utility model are at a 90° angle;
[0019] Figure 4 is Figure 3 the enlarged schematic diagram at C in
[0020] Figure 5 when the door leaf and the door frame are at a 90° angle;
[0021] Figure 6 is Figure 5An enlarged schematic view of part B, where the door leaf and the door frame are at a 45° angle;
[0022] Figure 7 This is a schematic view of the door leaf and the door frame of the present utility model at a 30° angle;
[0023] Figure 8 is Figure 7 An enlarged schematic view of part D, where the door leaf and the door frame are at a 30° angle;
[0024] Figure 9 This is a schematic view of the door leaf and the door frame of the present utility model when they are closed;
[0025] Figure 10 is Figure 9 An enlarged schematic view of part A, where the door leaf and the door frame are closed;
[0026] In the figure, 1 - door leaf, 2 - door frame, 3 - door leaf hinge piece, 31 - first abutting head, 4 - door frame hinge piece, 5 - rotating shaft, 6 - installation groove, 7 - bottom plate, 8 - first opening and closing assembly, 81 - first limiting plate, 82 - first spring, 83 - first magnet, 84 - second abutting head, 9 - second opening and closing assembly, 91 - second limiting plate, 92 - second spring, 93 - second magnet. Detailed implementation manners
[0027] Next, in combination with the embodiments, the technical solutions of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present utility model.
[0028] Refer to Figures 1-10 , the present utility model provides a technical solution for a hinge structure for a door frame:
[0029] As Figure 1 and Figure 2 shown, the door leaf hinge piece 3 is connected to the door leaf 1 by screws, and the door frame hinge piece 4 is connected to the door frame 2 by screws. At this time, the door frame hinge piece 4 is located in the installation groove 6. When the door leaf 1 and the door frame 2 are in contact, it can ensure that the hinge installation is flat and there will be no interference between the door leaf hinge piece 3 and the door frame hinge piece 4.
[0030] As Figure 3 , this shows a schematic view of the door leaf 1 and the door frame 2 at a 90° state. At the same time, refer to Figure 4, the bottom plate 7 is located on one side of the doorframe hinge piece 4 and within the installation groove 6. The bottom plate 7 can be connected to the doorframe hinge piece 4 by screws or by bonding or other means. The first opening and closing assembly 8 extends at a certain angle with the second opening and closing assembly 9 and is located at the included angle between the door leaf 1 and the doorframe 2. The lengths of the first opening and closing assembly 8 and the second opening and closing assembly 9 are both less than the thickness of the door leaf 1, so the protrusion of the second opening and closing assembly 9 and the second opening and closing assembly 9 is not obtrusive.
[0031] As Figure 5 shown, this shows a schematic diagram of the state where the door leaf 1 is opened at a 45° angle with the doorframe 2. At the same time, refer to Figure 6 , when the door leaf 1 and the doorframe 2 form a 45° included angle, the first abutting head 31 is magnetically connected to the first magnet 83 on the first limiting plate 81. At this time, the first limiting plate 81 maintains the current angle under the elastic force of the first spring 82. At this time, the door leaf 1 maintains an always-open 45° angle under the action of the first limiting plate 81 and the first spring 82. And the second limiting plate 91 remains in the initial state unchanged.
[0032] As Figure 7 shown, this shows a schematic diagram of the state where the door leaf 1 and the doorframe 2 form a 30° angle. At the same time, refer to Figure 8 , when the door leaf 1 and the doorframe 2 form a 30° included angle, at this time the first abutting head 31 has abutted and retracted against the first limiting plate 81, and the first limiting plate 81 compresses the spring and rotates around the hinge towards the direction of the second limiting plate 91. Until the second abutting head 84 is magnetically connected to the second magnet 93, at this time the first abutting head 31 is still magnetically connected to the first limiting plate 81. The second limiting plate 91 is maintained at the current angle by the second spring 92. At this time, the door leaf 1 is always open at a 30° angle through the second opening and closing assembly 9.
[0033] As Figure 9 shown, this shows a schematic diagram of the closed state of the door leaf 1 and the doorframe 2. At the same time, refer to Figure 10 , when the door leaf 1 and the doorframe 2 are closed, the door leaf 1 drives the first opening and closing assembly 8 and the second opening and closing assembly 9 to move towards the direction of the bottom plate 7. Specifically, the first abutting head 31 abuts against the first limiting plate 81, and the second abutting head 84 drives the second limiting plate 91. At this time, the first limiting plate 81 compresses the first spring 82, and the second limiting plate 91 compresses the second spring 92. Finally, the second limiting plate 91 abuts against the bottom plate 7, the first limiting plate 81 abuts against the second limiting plate 91, and the door leaf 1 and the doorframe 2 are closed. The bottom plate 7, the first limiting plate 81, and the second limiting plate 91 can be made of rubber material, and the bottom plate 7, the first limiting plate 81, and the second limiting plate 91 can play a buffering role for the door leaf 1 and the doorframe 2. It can be known that when the door leaf 1 and the doorframe 2 are closed, the bottom plate 7, the first opening and closing assembly 8, and the second opening and closing assembly 9 are located between the door leaf hinge piece 3 and the doorframe hinge piece 4 and will not affect the opening and closing of the hinge.
[0034] The opening and closing angle of the door leaf 1 can be adjusted through the first opening and closing component 8 and the second opening and closing component 9, which is convenient for use. At the same time, the structure is simple, the operation is convenient, and the use effect is improved.
[0035] The above are only the preferred embodiments of the present invention. It should be understood that the present invention is not limited to the form disclosed herein, should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be changed within the scope of the concept described herein through the above teachings or the technology or knowledge in related fields. And the changes and modifications made by those skilled in the art without departing from the spirit and scope of the present invention shall fall within the protection scope of the appended claims of the present invention.
Claims
1. A hinge structure for a door frame, comprising a door leaf hinge plate (3), a door frame hinge plate (4) and a rotating shaft (5), characterized in that: The door frame (2) is provided with a mounting groove (6) at a position corresponding to the door frame hinge piece (4); the door frame hinge piece (4) is located in the mounting groove (6); a bottom plate (7), a first opening and closing component (8) and a second opening and closing component (9) are provided on a side of the door frame hinge piece (4) close to the door leaf hinge piece (3); the bottom plate (7) is connected to the hinge piece of the door frame (2); the first opening and closing component (8) and the second opening and closing component (9) are respectively hinged to the bottom plate (7); A first abutment joint (31) is provided on a side of the door leaf hinge plate (3) close to the first opening and closing component (8); the first abutment joint (31) is magnetically connected to the first opening and closing component (8); and the second opening and closing component (9) is also magnetically connected to the first opening and closing component (8). The first opening and closing component (8) is close to one side of the door leaf (1), and the second opening and closing component (9) is located between the first opening and closing component (8) and the bottom plate (7); the first opening and closing component (8) is used to limit the opening and closing angle of the door leaf (1), and the second opening and closing component (9) is used to limit the opening and closing angle of the door leaf (1) and the second opening and closing component (9).
2. The hinge structure for a door frame (2) according to claim 1, characterized in that: The first opening and closing assembly (8) comprises a first limiting plate (81) and a first spring (82); a side of the first limiting plate (81) close to the rotating shaft (5) is hinged to the bottom plate (7); one end of the first spring (82) is connected to the first limiting plate (81); and the other end of the first spring (82) is connected to the bottom plate (7).
3. The hinge structure for a door frame (2) according to claim 2, characterized in that: A first magnet (83) is provided on one side of the first limiting plate (81) close to the first abutting joint (31), and the first abutting joint (31) is magnetically connected to the first limiting plate (81) via the first magnet (83).
4. The hinge structure for a door frame (2) according to claim 2, characterized in that: The second opening and closing assembly (9) comprises a second limiting plate (91) and a second spring (92); the second limiting plate (91) is hinged to the bottom plate (7) at one side close to the rotating shaft (5); one end of the second spring (92) is connected to the second limiting plate (91); and the other end of the second spring (92) is connected to the bottom plate (7).
5. The hinge structure for a door frame (2) according to claim 4, characterized in that: A second abutment joint (84) is provided on one side of the first limiting plate (81) close to the second limiting plate (91); a second magnet (93) is provided on the second limiting plate (91) at a position corresponding to the second abutment joint (84); and the first limiting plate (81) is magnetically connected to the second limiting plate (91) via the second abutment joint (84) and the second magnet (93).