An adjustable axle distance full-adaptive terrain embedded rotating shaft

Abstract

The utility model discloses an embedded rotating shaft of adjustable axle distance and all -adapted topography, be used for connecting door leaf frame and door frame, including upper rotating shaft and lower rotating shaft, fixed on the upper portion of door vertical frame and with upper rotating shaft swing cooperation's upper support seat and fixed on the door bottom frame or ground and with lower rotating shaft swing cooperation's lower support seat, be equipped with adjusting structure between upper support seat and upper rotating shaft, adjusting structure is used for adjusting the position of upper rotating shaft in horizontal direction, with adjusting the coaxiality of upper rotating shaft and lower rotating shaft and the perpendicularity with ground, adjusting structure includes the sliding slot of being set up on upper support seat and extending along the horizontal direction, be equipped with the slider of being able to adjust the position in it along the horizontal direction in the sliding slot, be set up with the first axle hole of being inserted and with its rotation cooperation in the slider, still be equipped with fixed structure between the slider and sliding slot, the utility model has the advantages of compact structure, and has the advantage of axle center adjusting function simultaneously.

Description

Technical Field

[0001] This utility model relates to the field of door and window hinge technology, and in particular to an adjustable hinge that adapts to all terrains. Background Technology

[0002] Currently, in the field of door and window hinge technology, concealed hinges are widely used due to their aesthetic appeal. These hinges typically need to be embedded within narrow profiles to achieve a hidden effect. However, this design also presents some technical challenges:

[0003] 1. Lack of pivot adjustment function: Due to size limitations, existing concealed hinges typically lack a pivot adjustment structure. This makes it difficult to precisely adjust the sliding door during actual installation, making it impossible to ensure the door is perpendicular to the ground. Door tilt directly affects the smoothness of opening and closing, and may even cause the magnetic positioning and waterproof sealing functions on the door side to fail.

[0004] 2. Poor terrain adaptability: Traditional lower pivot bearings require a flat mounting surface, such as a level lower crossbeam or floor. However, in practical applications, such as bathrooms, the floor often has raised waterproof steps. This makes it impossible to install traditional lower pivot bearings directly, limiting their application range.

[0005] Therefore, it is necessary to further improve and perfect the existing technology to overcome these shortcomings, and this utility model is made based on this situation. Utility Model Content

[0006] The purpose of this invention is to overcome the shortcomings of the prior art and provide an embedded pivot shaft with a compact structure and adjustable wheelbase that is adaptable to all terrains and has a center adjustment function.

[0007] This utility model is achieved through the following technical solution:

[0008] To solve the above-mentioned technical problems, this utility model provides an adjustable-axis embedded pivot that adapts to all terrains, used to connect the door leaf frame and the door frame. It includes an upper pivot and a lower pivot located at the upper and lower ends of the door leaf frame, an upper support fixed to the upper part of the door vertical frame and movably cooperating with the upper pivot, and a lower support fixed to the bottom frame of the door or the ground and movably cooperating with the lower pivot. An adjustment structure is provided between the upper support and the upper pivot. This adjustment structure is used to adjust the position of the upper pivot in the horizontal direction to adjust the coaxiality of the upper and lower pivots and their perpendicularity to the ground.

[0009] The adjustment structure includes a slide groove formed on the upper support and extending horizontally. A slider is provided in the slide groove, and a first shaft hole is provided on the slider for the upper rotating shaft to be inserted and rotated therewith. A fixing structure is also provided between the slider and the slide groove.

[0010] To further address the technical problems to be solved by this utility model, this utility model provides an adjustable wheelbase embedded rotating shaft that is fully adaptable to various terrains. The fixing structure includes at least one first strip hole provided on the slider and arranged in the left-right direction, at least one threaded hole provided on the upper support and corresponding to the position of the first strip hole, and a fastener that passes through the corresponding first strip hole and is threadedly connected to the corresponding threaded hole and is used to fix the slider on the upper support.

[0011] To further address the technical problems to be solved by this utility model, this utility model provides an adjustable wheelbase embedded rotating shaft that is fully adaptable to various terrains. The fixing structure further includes positioning teeth and multiple gear teeth arranged continuously in opposite directions along the left and right sides. The positioning teeth can mesh with different gear teeth. The positioning teeth are located on one of the upper support seat and the slider, and the gear teeth are located on the other.

[0012] To further solve the technical problems to be solved by this utility model, this utility model provides an adjustable wheelbase embedded rotating shaft that is fully adaptable to terrain. The upper end of the sliding groove is open, and the slider is inserted into the sliding groove from the upper open end downwards. The bottom surface of the sliding groove is provided with a second strip hole for the upper rotating shaft to pass through from bottom to top and extend into the first shaft hole.

[0013] In order to further solve the technical problems to be solved by this utility model, this utility model provides an adjustable wheelbase embedded rotating shaft that is fully adaptable to the terrain, wherein a first limiting structure is provided between the upper rotating shaft and the first shaft hole to limit the rotation range of the two.

[0014] In order to further solve the technical problems to be solved by this utility model, this utility model provides an adjustable wheelbase embedded rotating shaft that is fully adaptable to the terrain. The first limiting structure includes a first sector-shaped shaft provided at the end of the upper rotating shaft, and a first sector-shaped protrusion provided on the side wall of the first shaft hole that can cooperate with the first sector-shaped shaft to limit the rotation range of the upper rotating shaft.

[0015] In order to further solve the technical problems to be solved by this utility model, this utility model provides an adjustable wheelbase embedded rotating shaft that is fully adaptable to the terrain, wherein the lower support seat is provided with a second shaft hole that can rotate and cooperate with the lower rotating shaft.

[0016] In order to further solve the technical problems to be solved by this utility model, this utility model provides an adjustable wheelbase embedded rotating shaft that is fully adaptable to the terrain, wherein a second limiting structure is provided between the lower rotating shaft and the second shaft hole to limit the rotation range of the two.

[0017] In order to further solve the technical problems to be solved by this utility model, this utility model provides an adjustable wheelbase embedded rotating shaft that is fully adaptable to the terrain. The second limiting structure includes a second sector-shaped shaft provided at the end of the lower rotating shaft, and a second sector-shaped protrusion provided on the side wall of the second shaft hole that can cooperate with the second sector-shaped shaft to limit the rotation range of the lower rotating shaft.

[0018] Compared with the prior art, the present invention has the following advantages:

[0019] 1. This utility model features an adjustable pivot position design. Specifically, by setting an adjustment structure between the upper support and the upper pivot, precise adjustment of the upper pivot position in the horizontal direction is achieved. This innovation effectively solves the problems of door tilting and difficult opening and closing caused by traditional pivots' inability to adapt to wall tilt and installation errors. It ensures that the upper and lower pivots are concentric and the door leaf is perpendicular to the ground, significantly improving the installation error tolerance and guaranteeing the sealing and waterproof performance of the magnetic attraction position on the door edge.

[0020] 2. This utility model has wide adaptability to various terrains. Because its adjustment structure can compensate for errors caused by uneven ground, the lower support can be directly installed on the ground or even buried underground, without relying on the bottom frame of the door. This design greatly expands its application scenarios, allowing the embedded pivot to perfectly adapt to special environments such as bathrooms with raised waterproof steps, breaking through the application limitations of traditional pivots.

[0021] 3. Furthermore, to improve the accuracy and stability of adjustment, this invention also incorporates a design that combines positioning teeth and gear teeth. Through the meshing of the positioning teeth with different gear teeth, finer position adjustment is achieved, completely eliminating the problem of the movable door sagging due to slider displacement, and further enhancing the product's reliability and durability. Attached Figure Description

[0022] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, wherein:

[0023] Fig. 1 This is a three-dimensional structural schematic diagram of the present invention;

[0024] Fig. 2 This is an exploded view of the upper rotating shaft;

[0025] Fig. 3 This is an exploded view of the lower pivot point. Detailed Implementation

[0026] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0027] like Figs. 1 to 3 As shown, this embodiment provides an adjustable-axis, terrain-adaptive embedded pivot for connecting a door leaf frame and a door frame, particularly suitable for narrow frames. The embedded pivot mainly consists of several parts: an upper pivot 1 and a lower pivot 2 located at the upper and lower ends of the door leaf frame; an upper support 3 fixed to the upper part of the door vertical frame and movably engaging with the upper pivot 1; and a lower support 4 fixed to the bottom frame of the door or the ground and movably engaging with the lower pivot 2. An adjustment structure is provided between the upper support 3 and the upper pivot 1. This adjustment structure is the key to this invention; it allows for horizontal adjustment of the position of the upper pivot 1, thereby adjusting the coaxiality of the upper pivot 1 and the lower pivot 2, and ensuring the perpendicularity of these two pivots to the ground.

[0028] In this embodiment, for aesthetic purposes, both the upper support 3 and the lower support 4 are concealed. Specifically, the upper support 3 is fixed to the profile groove of the door vertical frame with screws, while the lower support 4 is fixed to the bottom frame (beam) of the door with screws, or fixed to the ground or buried underground.

[0029] More importantly, by adjusting the position of the upper pivot 1, any tilting of the building wall or errors that may occur during installation can be effectively corrected. Ultimately, this achieves concentricity of the upper and lower pivots, perpendicularity of the door leaf to the ground, no frictional noise when opening and closing the door, a waterproof seal at the magnetic attachment point on the door edge, and significantly improves the tolerance for installation errors.

[0030] Moreover, thanks to this adjustment structure, it can compensate for errors caused by unevenness in the ground. Thus, the lower support 4 doesn't necessarily have to be installed on the bottom frame of the door (i.e., the lower crossbeam), but can be installed directly on the ground, or even buried underground. This allows this invention to adapt well to common raised waterproof steps in areas such as bathrooms, greatly expanding its application scenarios.

[0031] Specifically, this adjustment structure is implemented as follows: A horizontally extending groove 31 is formed on the upper support 3. A slider 5 is installed inside the groove 31, and the slider 5 can be adjusted horizontally within the groove 31. A first shaft hole 51 is formed on the slider 5, into which the upper rotating shaft 1 is inserted and rotatably engaged. In addition, a fixing structure is provided between the slider 5 and the groove 31 to fix the slider 5 in a specific position within the groove 31.

[0032] To reliably fix the slider 5, the fixing structure in this embodiment adopts the following design: at least one first strip-shaped hole 52 is provided on the slider 5 along the left-right direction, and at least one threaded hole 32 corresponding to the position of the corresponding first strip-shaped hole 52 is provided on the upper support 3. A fastener 6 (e.g., a screw) passes through the corresponding first strip-shaped hole 52 and is threadedly connected to the corresponding threaded hole 32, thereby fixing the slider 5 to the upper rotating seat. By loosening the fastener 6, adjusting the position of the slider 5 in the slide groove 31, and then tightening the fastener 6 again, the position of the upper rotating shaft 1 can be precisely adjusted.

[0033] To further improve the accuracy and stability of the adjustment and prevent the slider 5 from shifting due to the weight of the movable door, this embodiment also introduces positioning teeth 33 and multiple shifting teeth 53 arranged continuously in opposite directions along the left and right sides. The positioning teeth 33 can mesh with different shifting teeth 53. The positioning teeth 33 and shifting teeth 53 are respectively located on the upper support 3 and the slider 5, and their positions are interchangeable. Through the meshing of the positioning teeth 33 with different shifting teeth 53, more precise position adjustment can be achieved. This serrated meshing structure completely eliminates the problem of the movable door sagging due to slider displacement.

[0034] To facilitate the installation of the slider 5, the upper end of the slide groove 31 is designed to be open, allowing the slider 5 to be inserted into the slide groove 31 from this opening, thus simplifying the assembly process. At the same time, a second strip-shaped hole 34 is opened on the bottom surface of the slide groove 31, allowing the upper rotating shaft 1 to pass through from bottom to top and extend into the first shaft hole 51.

[0035] In order to limit the relative rotation range between the upper rotating shaft 1 and the slider 5, this embodiment also provides a first limiting structure, including a first sector-shaped shaft 11 disposed at the end of the upper rotating shaft 1, and a first sector-shaped protrusion 511 disposed on the side wall of the first shaft hole 51 and capable of cooperating with the first sector-shaped shaft 11 to limit the rotation range of the upper rotating shaft 1.

[0036] Of course, the lower support 4 is provided with a second shaft hole 41 that rotatably engages with the lower rotating shaft 2.

[0037] Similar to the upper rotating shaft 1, in order to limit the rotation range of the lower rotating shaft 2, this embodiment also provides a second limiting structure between the lower rotating shaft 2 and the lower support 4, including a second sector-shaped shaft 21 disposed at the end of the lower rotating shaft 2, and a second sector-shaped protrusion 411 disposed on the side wall of the second shaft hole 41 and capable of cooperating with the second sector-shaped shaft 21 to limit the rotation range of the lower rotating shaft 2.

[0038] Through the above design, this embodiment provides a compact, easy-to-adjust, and highly adaptable embedded pivot, which can effectively solve the problems existing in the prior art and improve the performance and installation efficiency of doors and windows.

[0039] The above embodiments are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and improvements can be made by those skilled in the art without departing from the concept of this utility model, and these should all be considered to fall within the protection scope of this utility model.

Claims

1. An adjustable-axis, terrain-adaptive embedded pivot for connecting a door leaf frame and a door frame, characterized in that: It includes an upper pivot (1) and a lower pivot (2) located at the upper and lower ends of the door frame, an upper support (3) fixed to the upper part of the door vertical frame and movably engaged with the upper pivot (1), and a lower support (4) fixed to the bottom frame of the door or the ground and movably engaged with the lower pivot (2); an adjustment structure is provided between the upper support (3) and the upper pivot (1), the adjustment structure is used to adjust the position of the upper pivot (1) in the horizontal direction, so as to adjust the coaxiality of the upper pivot (1) and the lower pivot (2) and the perpendicularity to the ground; The adjustment structure includes a slide groove (31) opened on the upper support (3) and extending in the horizontal direction. The slide groove (31) is provided with a slider (5) that can be adjusted in the horizontal direction. The slider (5) is provided with a first shaft hole (51) for the upper rotating shaft (1) to be inserted and rotated with it. A fixing structure is also provided between the slider (5) and the slide groove (31).

2. The adjustable wheelbase, terrain-adaptive embedded pivot according to claim 1, is characterized in that: The fixing structure includes at least one first strip hole (52) provided on the slider (5) and arranged in the left-right direction, at least one threaded hole (32) provided on the upper support (3) and corresponding to the position of the corresponding first strip hole (52), and a fastener (6) passing through the corresponding first strip hole (52) and threadedly connected to the corresponding threaded hole (32) for fixing the slider (5) to the upper support (3).

3. The adjustable wheelbase, terrain-adaptive embedded pivot according to claim 2, characterized in that: The fixing structure also includes a positioning tooth (33) and a plurality of gear teeth (53) arranged continuously in opposite directions along the left and right sides. The positioning tooth (33) can mesh with different gear teeth (53). The positioning tooth (33) is located on one of the upper support seat (3) and the slider (5), and the gear teeth (53) are located on the other.

4. The adjustable wheelbase, terrain-adaptive embedded pivot according to claim 1, characterized in that: The upper end of the slide groove (31) is open, and the slider (5) is inserted into the slide groove (31) from the upper end of the open end; the bottom surface of the slide groove (31) is provided with a second strip hole (34) for the upper rotating shaft (1) to pass through from bottom to top and extend to the first shaft hole (51).

5. The adjustable wheelbase, terrain-adaptive embedded pivot according to claim 1, characterized in that: A first limiting structure is provided between the upper rotating shaft (1) and the first shaft hole (51) to limit the rotation range of both.

6. The adjustable wheelbase, terrain-adaptive embedded pivot according to claim 5, characterized in that: The first limiting structure includes a first sector-shaped shaft (11) disposed at the end of the upper rotating shaft (1) and a first sector-shaped protrusion (511) disposed on the side wall of the first shaft hole (51) and capable of cooperating with the first sector-shaped shaft (11) to limit the rotation range of the upper rotating shaft (1).

7. The adjustable wheelbase, terrain-adaptive embedded pivot according to claim 1, characterized in that: The lower support (4) is provided with a second shaft hole (41) that can rotate with the lower rotating shaft (2).

8. The adjustable wheelbase, terrain-adaptive embedded pivot according to claim 7, characterized in that: A second limiting structure is provided between the lower rotating shaft (2) and the second shaft hole (41) to limit the rotation range of both.

9. An adjustable wheelbase, terrain-adaptive embedded pivot according to claim 8, characterized in that: The second limiting structure includes a second sector-shaped shaft (21) provided at the end of the lower rotating shaft (2) and a second sector-shaped protrusion (411) provided on the side wall of the second shaft hole (41) and capable of cooperating with the second sector-shaped shaft (21) to limit the rotation range of the lower rotating shaft (2).

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