Adjustable hidden hinge

Abstract

The utility model discloses an adjustable hidden hinge which comprises a first hinge body, a second hinge body and a rotating piece, a containing cavity is formed in the front side face of the first hinge body, and a rotating shaft is arranged in the containing cavity; a sliding groove is formed in the second hinge, and the sliding groove penetrates through the second hinge; the rotating piece comprises a first connecting part and a second connecting part, a sliding part is arranged at the end, away from the first connecting part, of the second connecting part, and the sliding part is in sliding fit with the sliding groove, so that the rotating piece slides up and down relative to the second hinge, and the relative height of the first hinge and the second hinge is adjusted; and after the hinge is adjusted to the proper height, the first fastening jackscrew is locked, the rotating piece is subjected to the counter-acting force of the first fastening jackscrew, so that the sliding part and the sliding groove are attached and fixed, and the bearing capacity of the hinge is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of hardware accessories, in particular to an adjustable hidden hinge. Background Art

[0002] At present, most doors on the market are installed with exposed hinges, and the hinges cannot adjust the height of the door leaf. During long-term use, the door leaf will fall down. At this time, the door leaf will rub against the ground, and the hinge cannot adjust the height, so the door leaf needs to be reinstalled. In addition, the exposed hinges are exposed on the edge of the door frame, which is not only unsightly but also unsafe, and is extremely inconsistent with the overall door. Therefore, more and more people use adjustable hidden hinges, which can adjust the height of the door leaf when needed. When the door leaf is closed, the hinges are hidden inside the door, which greatly improves the integrity and simplicity of the door leaf and door frame.

[0003] Most of the practical hidden hinges on the market have complex structures, insufficient load-bearing capacity, and are too large, which are not suitable for the current minimalist and narrow door systems. Utility Model Content

[0004] The purpose of the utility model is to provide an adjustable hidden hinge, which solves the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solution: an adjustable hidden hinge, comprising:

[0006] A first hinge, wherein a receiving cavity is provided on the front side of the first hinge, and a rotating shaft is provided in the receiving cavity;

[0007] A second hinge, wherein a sliding groove is provided on the second hinge, and the sliding groove runs through the second hinge, so that the horizontal cross section of the second hinge is in a "concave" shape;

[0008] A rotating member, the rotating member includes a first connecting part and a second connecting part, one end of the first connecting part is hinged to the first hinge through a rotating shaft in the accommodating cavity, so that the first connecting part is arranged in the accommodating cavity in a closed state, and a sliding part is arranged at one end of the second connecting part away from the first connecting part, the horizontal cross-section of the sliding part is "convex", and the sliding part is slidably matched with the sliding groove, and a first fastening top screw is arranged on the second connecting part, and the first fastening top screw passes through the second connecting part and abuts against the bottom surface of the sliding groove, so that the second connecting part is connected to the second hinge through the first fastening top screw.

[0009] Furthermore, an axis connecting hole is provided at one end of the first connecting portion in the vertical direction, and both ends of the rotating shaft pass through the axis connecting hole and are respectively inserted into the axis mounting holes on the upper and lower walls of the accommodating cavity, and a gasket is provided between the axis mounting hole and the axis connecting hole, and the gasket is sleeved on the rotating shaft.

[0010] Furthermore, a positioning groove is provided on the wall surface along the rotating shaft, and a second fastening top screw is provided on the rear side surface of the first hinge. The second fastening top screw passes through the first hinge and extends to the positioning groove and abuts against the positioning groove.

[0011] Furthermore, hinge mounting holes are provided at both ends of the first hinge and / or the second hinge, and the first hinge and / or the second hinge are connected to the main door frame or the door leaf via fastening screws in the hinge mounting holes.

[0012] Furthermore, a concealing cover installation groove is provided on the surface of the hinge installation holes corresponding to the first hinge and the second hinge, a concealing cover is provided on the concealing cover installation groove, and a positioning hole is provided in the concealing cover installation groove, and a positioning column is provided on the concealing cover corresponding to the positioning hole and extending toward the concealing cover installation groove, and the concealing cover is installed in the concealing cover installation groove by adapting the positioning column to the positioning hole.

[0013] Compared with the prior art, the beneficial effects of the utility model include:

[0014] 1. By opening a receiving cavity on the front side of the first hinge, one end of the rotating member is hinged to the first hinge through a rotating shaft in the receiving cavity, so that the rotating member can be accommodated in the receiving cavity in a closed state, thereby improving the overall aesthetics of the hidden hinge;

[0015] 2. A "convex" sliding portion is provided at one end of the second connecting portion of the rotating member, which cooperates with the "concave" sliding groove on the second hinge to make the rotating member slide up and down relative to the second hinge, thereby adjusting the relative height of the first hinge and the second hinge, thereby realizing the height adjustment function of the hinge;

[0016] 3. A first fastening screw is arranged on the second connecting part of the rotating part, and the first fastening screw passes through the second connecting part and abuts against the bottom surface of the sliding groove, so that the rotating part is subjected to the reaction force of the first fastening screw, so that the sliding part and the sliding groove are fitted and fixed, and the bearing capacity of the hinge is stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the closed state of the utility model.

[0018] Figure 2 It is a schematic diagram of the unfolded state of the utility model.

[0019] Figure 3 It is an explosion diagram of the utility model.

[0020] Figure 4 This is a schematic diagram of the installation of the second hinge of the utility model.

[0021] Figure 5 It is a cross-sectional schematic diagram of the utility model.

[0022] In the figure: a first hinge 10, a receiving cavity 101, an axis mounting hole 102, a second hinge 20, a sliding groove 201, a rotating member 30, a first connecting portion 301, a second connecting portion 302, a sliding portion 303, an axis connecting hole 304, a rotating shaft 40, a positioning groove 401, a first fastening top screw 50, a gasket 60, a second fastening top screw 70, an ugly cover mounting groove 80, a positioning hole 801, a ugly cover 90, and a positioning column 901. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] like Figures 1 to 5 An adjustable hidden hinge shown includes a first hinge 10, a second hinge 20 and a rotating member 30;

[0025] The front side of the first hinge 10 is provided with a receiving cavity 101, and the upper and lower walls of the receiving cavity 101 are provided with shaft mounting holes 102. The first hinge 10 is hingedly connected to the rotating member 30 via the rotating shaft 40 on the shaft mounting hole 102, so that the rotating member 30 can be accommodated in the receiving cavity 101 in the closed state, thereby improving the overall aesthetics of the hidden hinge.

[0026] The second hinge 20 is provided with a sliding groove 201, which penetrates the second hinge 20, so that the horizontal cross section of the second hinge 20 is "concave";

[0027] The rotating member 30 includes a first connecting portion 301 and a second connecting portion 302. One end of the first connecting portion 301 is hinged to the first hinge 10 through the rotating shaft 40 in the accommodating cavity 101, so that the first connecting portion 301 is arranged in the accommodating cavity 101 in the closed state. The second connecting portion 302 is provided with a sliding portion 303 at one end away from the first connecting portion 301. The horizontal cross-section of the sliding portion 303 is "convex", and the sliding portion 303 is slidably matched with the sliding groove 201, so that the rotating member 30 slides up and down relative to the second hinge 20, thereby adjusting the first hinge 20. The relative height of the hinge 10 and the second hinge 20 is adjusted, thereby realizing the height-adjustable function of the hinge; specifically, a screw hole is opened on the second connecting portion 302 in a direction perpendicular to the sliding groove 201, and a first fastening top screw 50 is arranged in the screw hole. The first fastening top screw 50 passes through the second connecting portion 302 and abuts against the bottom surface of the sliding groove 201. By tightening the first fastening top screw 50 in the screw hole, the rotating member 30 is subjected to the reaction force of the first fastening top screw 50, so that the sliding portion 303 is fitted and fixed to the sliding groove 201, and the bearing capacity of the hinge is stronger.

[0028] Specifically, an axis connecting hole 304 is provided at one end of the first connecting portion 301 along the vertical direction, and both ends of the rotating shaft 40 pass through the axis connecting hole 304 and are respectively inserted into the axis mounting holes 102 on the upper and lower walls of the accommodating cavity 101. A gasket 60 is provided between the axis mounting hole 102 and the axis connecting hole 304, and the gasket 60 is sleeved on the rotating shaft 40 to prevent the rotating member 30 from directly contacting the first hinge 10 or the second hinge 20, thereby reducing friction, which not only ensures smooth rotation, but also reduces noise during the rotation of the hinge.

[0029] Specifically, a positioning groove 401 is opened on the wall surface along the rotating shaft 40, and a second fastening top screw 70 is arranged on the rear side surface of the first hinge 10. The second fastening top screw 70 passes through the first hinge 10 and extends to the positioning groove 401, and abuts against the positioning groove 401. The rotating shaft 40 is stably installed on the first hinge 10 through this fixing structure, thereby ensuring the connection stability between the first hinge 10 and the rotating member 30.

[0030] Specifically, hinge mounting holes are provided at both ends of the first hinge 10 and the second hinge 20. When the first hinge 10 is connected to the main door frame through the fastening screws in the hinge mounting holes, the second hinge 20 is connected to the door leaf through the fastening screws in the hinge mounting holes; conversely, when the first hinge 10 is connected to the door leaf through the fastening screws in the hinge mounting holes, the second hinge 20 is connected to the main door frame through the fastening screws in the hinge mounting holes.

[0031] Specifically, an ugly cover mounting groove 80 is opened on the surface of the hinge mounting holes corresponding to the first hinge 10 and the second hinge 20, an ugly cover 90 is arranged on the ugly cover mounting groove 80, and a positioning hole 801 is opened in the ugly cover mounting groove 80, and a positioning column 901 is extended toward the ugly cover mounting groove 80 corresponding to the positioning hole 801 of the ugly cover 90. The ugly cover 90 is installed in the ugly cover mounting groove 80 by matching the positioning column 901 with the positioning hole 801. When the first hinge 10 or the second hinge 20 is connected to the main door frame or the door leaf, the ugly cover 90 can be correspondingly embedded in the ugly cover mounting groove 80, and the fastening screws or screw holes cannot be seen by outsiders, thereby improving the overall aesthetics.

[0032] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable hidden hinge, characterized in that: include: A first hinge (10), wherein a receiving cavity (101) is provided on the front side of the first hinge (10), and a rotating shaft (40) is provided in the receiving cavity (101); A second hinge (20), wherein a sliding groove (201) is provided on the second hinge (20), and the sliding groove (201) passes through the second hinge (20), so that a horizontal cross section of the second hinge (20) is in a "concave" shape; A rotating member (30), the rotating member (30) comprising a first connecting portion (301) and a second connecting portion (302), one end of the first connecting portion (301) being hinged to the first hinge (10) via a rotating shaft (40) in the accommodating cavity (101), so that the first connecting portion (301) is arranged in the accommodating cavity (101) in a closed state, a sliding portion (303) is arranged at one end of the second connecting portion (302) away from the first connecting portion (301), the horizontal cross section of the sliding portion (303) is convex, and the sliding portion (303) is slidably matched with the sliding groove (201), and a first fastening top screw (50) is arranged on the second connecting portion (302), the first fastening top screw (50) passes through the second connecting portion (302) and abuts against the bottom surface of the sliding groove (201), so that the second connecting portion (302) is connected to the second hinge (20) via the first fastening top screw (50).

2. An adjustable hidden hinge according to claim 1, characterized in that: One end of the first connecting portion (301) is provided with an axis connecting hole (304) in the vertical direction, and both ends of the rotating shaft (40) pass through the axis connecting hole (304) and are respectively inserted into the axis mounting holes (102) on the upper and lower walls of the accommodating cavity (101), and a gasket (60) is provided between the axis mounting hole (102) and the axis connecting hole (304), and the gasket (60) is sleeved on the rotating shaft (40).

3. An adjustable hidden hinge according to any one of claims 1 or 2, characterized in that: A positioning groove (401) is provided on the wall surface of the rotating shaft (40), and a second fastening top screw (70) is provided on the rear side surface of the first hinge (10). The second fastening top screw (70) passes through the first hinge (10) and extends to the positioning groove (401), and abuts against the positioning groove (401).

4. An adjustable hidden hinge according to claim 1, characterized in that: Hinge mounting holes are provided at both ends of the first hinge (10) and / or the second hinge (20); the first hinge (10) and / or the second hinge (20) are connected to the main door frame or the door leaf via fastening screws in the hinge mounting holes.

5. An adjustable hidden hinge according to claim 1, characterized in that: A concealing cover installation groove (80) is provided on the surface of the first hinge (10) and the second hinge (20) corresponding to the hinge installation holes, a concealing cover (90) is provided on the concealing cover installation groove (80), and a positioning hole (801) is provided in the concealing cover installation groove (80), and a positioning column (901) is provided on the concealing cover (90) corresponding to the positioning hole (801) and extending toward the concealing cover installation groove (80), and the concealing cover (90) is installed in the concealing cover installation groove (80) by matching the positioning column (901) with the positioning hole (801).

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