Adjustable hinge

Abstract

The adjustable hinge comprises a first base, a second base, a first adjusting seat, an adjusting bolt and a rotating arm, the first base is provided with a first adjusting groove, the first adjusting groove extends in the thickness direction of the first base, the first adjusting groove is provided with an internal thread part, the first adjusting seat is installed in the first adjusting groove, and the adjusting bolt is installed on the second base. The first adjusting base is provided with a first adjusting groove and can slide in the depth direction of the first adjusting groove, a matching groove is formed in the side portion of the first adjusting base, the adjusting bolt is rotatably installed in the matching groove, the adjusting bolt is in threaded connection with the internal thread part, the first adjusting base can be driven to slide along the first adjusting groove by rotating the adjusting bolt, and the rotating arm is connected with the first adjusting base and the second base. Therefore, the first base and the second base can rotate relatively. The first base and the second base can be connected with the door frame and the door body respectively, the distance between the door body and the door frame in the left-right direction can be adjusted by rotating the adjusting bolt, the adjusting bolt is a standard part, customized studs do not need to be arranged, and the manufacturing cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field related to hinges, and in particular to an adjustable hinge. Background Art

[0002] With the continuous development and progress of society, the technical level of our country's products is also constantly improving. However, the traditional adjustable hinges still have some shortcomings. For example, it is often difficult to adjust and requires the removal of the door leaf. Ordinary users cannot adjust it by themselves and need professional personnel to adjust and maintain it, which increases the cost of use and maintenance to a certain extent. In the prior art, there is an adjustable hinge. Referring to the patent document of patent announcement number CN218347168U, in order to adjust the distance between the door body and the door frame in the left and right directions, a specific adjustment screw needs to be set (see attached). Figure 5 , adjusting bolt 23), referring to the patent document of patent announcement number CN203213770U, a two-way adjusting screw is also provided for adjusting the left and right directions. The adjusting screw for adjusting this direction needs to be customized, and the manufacturing cost is high. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems in the prior art. To this end, the present invention provides an adjustable hinge that can solve the problem of high manufacturing costs of custom bolts.

[0004] According to the first aspect of the present invention, an adjustable hinge includes: a first base, a second base, a first adjustment seat, an adjusting bolt and a rotating arm, the first base has a first adjusting groove, the first adjusting groove extends along the thickness direction of the first base, the first adjusting groove is provided with an internal threaded portion, the first adjusting seat is installed in the first adjusting groove, and can slide along the depth direction of the first adjusting groove, the side of the first adjusting seat is provided with a matching groove, the adjusting bolt is rotatably installed in the matching groove, the adjusting bolt is threadedly connected to the internal threaded portion, and rotating the adjusting bolt can drive the first adjusting seat to slide along the first adjusting groove, and the rotating arm is respectively connected to the first adjusting seat and the second base so that the first base and the second base can rotate relative to each other.

[0005] An adjustable hinge according to an embodiment of the present invention has at least the following beneficial effects: the first base and the second base can be connected to the door frame and the door body respectively, and the adjusting bolt can be threadedly engaged with the internal threaded portion of the first base and the mating groove by rotating the adjusting bolt, driving the first adjusting seat to move along the depth direction of the first adjusting groove, so as to adjust the distance between the first base and the second base, that is, to adjust the distance between the door body and the door frame in the left and right directions, and the adjusting bolt is a standard part, which is easy to purchase and low in cost. There is no need to set up customized studs to complete the adjustment of the door frame and the door body in the left and right directions, and the manufacturing cost is low.

[0006] According to some embodiments of the present invention, the adjusting bolt includes a screw head and a stud, the stud is arranged at the bottom of the screw head, the screw head can be inserted horizontally into the matching groove, and the top and bottom of the screw head can both abut against the matching groove.

[0007] According to some embodiments of the present invention, the first adjustment seat has an avoidance gap that penetrates the matching groove along the depth direction of the first adjustment groove. The avoidance gap can avoid the stud and can allow a tool to be inserted into the screw head for operation.

[0008] According to some embodiments of the present invention, a protrusion is provided on the inner side wall of the first adjustment groove, and the protrusion can be slidably engaged with the avoidance notch.

[0009] According to some embodiments of the present invention, the second base includes a shell and a second adjustment seat, the shell is provided with a second adjustment slot, the second adjustment seat is installed in the second adjustment slot, the rotating arm is connected to the second adjustment seat, the second adjustment seat can slide in the up and down directions relative to the shell, and can slide in the front and back directions relative to the shell, the shell is provided with a first adjustment hole, the second adjustment seat is provided with a second adjustment hole, one of the first adjustment hole and the second adjustment hole extends in the up and down direction, and the other extends in the front and back direction, the first adjustment hole and the second adjustment hole can fasten the second adjustment seat to the shell by fasteners.

[0010] According to some embodiments of the present invention, the bottom wall of the second adjustment groove is provided with a plurality of first bar-shaped teeth extending in the front-to-back direction, and the first bar-shaped teeth are arranged in parallel in the up-down direction, and the bottom of the second adjustment seat is provided with a plurality of second bar-shaped teeth, and the second bar-shaped teeth can engage with the first bar-shaped teeth.

[0011] According to some embodiments of the present invention, the internal threaded portion is configured as a threaded hole.

[0012] According to some embodiments of the present invention, the first base further has a first through hole, which passes through the bottom wall of the first adjustment groove. The internal threaded portion is configured as a threaded sleeve, which passes through the first through hole and is fixedly connected to the first base.

[0013] According to some embodiments of the present invention, a limiting groove is provided on the bottom wall of the first adjustment groove, the limiting groove is connected to the first through hole, and a first limiting portion is provided on the end of the threaded sleeve, the first limiting portion can be inserted into the limiting groove, and the limiting groove can limit the rotation of the threaded sleeve.

[0014] According to some embodiments of the present invention, a second limiting portion is provided at one end of the threaded sleeve away from the first adjustment seat, and the second limiting portion can abut against the bottom of the first base.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 This is a general schematic diagram of an embodiment of the present utility model;

[0018] Figure 2 Schematic diagram of the exploded structure of the first base and the first adjustment base;

[0019] Figure 3 for Figure 1 Overall exploded diagram of

[0020] Figure 4 Schematic diagram of the structure of the first adjustment seat;

[0021] Figure 5 is a cross-sectional view of the first base and the first adjustment seat;

[0022] Figure 6 A cross-sectional view of the first base and the first adjustment base in another direction;

[0023] Figure 7 Exploded views of some embodiments of the present invention;

[0024] Figure 8 Schematic diagram of the structure of the second adjustment seat;

[0025] Figure 9 is a cross-sectional view of the second base and the second adjustment seat;

[0026] Figure 10 A cross-sectional view of the second base and the second adjustment base in another direction;

[0027] Figure 11 Schematic diagrams of some embodiments of the present invention;

[0028] Figure 12 Schematic diagrams of some embodiments of the present invention;

[0029] Figure 13 Schematic diagrams of some embodiments of the present invention.

[0030] Reference numerals:

[0031] The first base 100, the first adjustment groove 110, the protrusion 111, the limiting groove 112, the threaded sleeve 121, the first limiting portion 1211, the second limiting portion 1212, and the first through hole 130;

[0032] The second base 200, the housing 210, the second adjustment slot 211, the first adjustment hole 212, the first strip-shaped teeth 213, the second adjustment seat 220, the second adjustment hole 221, the second strip-shaped teeth 222;

[0033] First adjustment seat 300, matching groove 310, avoidance gap 320;

[0034] Adjusting bolt 400, screw head 410, stud 420;

[0035] Rotating arm 500. DETAILED DESCRIPTION

[0036] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0037] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention. In addition, features defined as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0038] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0039] Reference Figures 1 to 6, according to the first aspect of the present invention, an adjustable hinge according to an embodiment of the present invention includes a first base 100, a second base 200, a first adjustment base 300, an adjusting bolt 400 and a rotating arm 500. The first base 100 has a first adjusting groove 110, which extends along the thickness direction of the first base 100. The first adjusting groove 110 is provided with an internal thread portion. The first adjusting base 300 is installed in the first adjusting groove 110 and can slide along the depth direction of the first adjusting groove 110. The side of the first adjusting base 300 is provided with a matching groove 310. The adjusting bolt 400 is rotatably installed in the matching groove 310. The adjusting bolt 400 is threadedly connected to the internal thread portion. Rotating the adjusting bolt 400 can drive the first adjusting base 300 to slide along the first adjusting groove 110. The rotating arm 500 is respectively connected to the first adjusting base 300 and the second base 200, so that the first base 100 and the second base 200 can rotate relative to each other. The first base 100 and the second base 200 can be connected to the door frame and the door body respectively. By rotating the adjusting bolt 400, it can be threadedly engaged with the internal thread of the first base 100 and the engaging groove 310, driving the first adjusting seat 300 to move along the depth direction of the first adjusting groove 110, so as to adjust the distance between the first base 100 and the second base 200, that is, adjust the distance between the door body and the door frame in the left and right directions. The adjusting bolt 400 is a standard part, which is easy to purchase and low in cost. There is no need to set a customized stud 420 to complete the adjustment of the door frame and the door body in the left and right directions, and the manufacturing cost is low.

[0040] Specifically, the first base 100 can be connected to the door frame, the second base 200 can be connected to the door body, the rotating arm 500 can connect the first adjustment seat 300 to the second base 200, and the second base 200 can be rotated relative to the first base 100 through the rotating arm 500, so that the door body can be rotated to open and close. The specific structure of the rotating arm 500 is not described in detail here. The first base 100 can be buried in the door frame, and the first adjustment groove 110 opens toward the door body. The first adjustment seat 300 can be slidably connected to the first adjustment groove 110 and can slide in a direction close to or away from the door body, that is, slide along the depth direction of the first adjustment groove 110. The specific adjustment structure is adjusted by adjusting the bolt 400. The upper and lower sides of the first adjustment seat 300 can be provided with corresponding matching grooves 310, the matching grooves 310 can be used for the adjusting bolt 400 to be installed, and the adjusting bolt 400 can be rotated. The adjusting bolt 400 is threadedly connected to the internal threaded portion of the first base 100. Rotating the adjusting bolt 400 can make the adjusting bolt 400 rise and fall relative to the first base 100, and the adjusting bolt 400 cooperates with the matching groove 310 to drive the first adjustment seat 300 to slide. The adjusting bolt 400 is a universal part with low cost of use. The position of the first adjustment seat 300 can be adjusted by rotating the adjusting bolt 400, so that the position of the door body and the door frame in the left and right directions can be adjusted, which can facilitate the adjustment of the door body position.

[0041] Reference Figures 2 to 6 In some embodiments of the present invention, the adjusting bolt 400 includes a screw head 410 and a stud 420. The stud 420 is located at the bottom of the screw head 410. The screw head 410 can be inserted into the mating groove 310 laterally, and both the top and bottom of the screw head 410 can abut against the mating groove 310. This can meet the requirements of left-right adjustment while reducing manufacturing costs.

[0042] Specifically, the screw head 410 can be set as a hexagonal screw head 410, which can be set to a cylindrical shape. The stud 420 is below the screw head 410, and the stud 420 is threadedly connected to the internal threaded part. The shape of the mating groove 310 matches the cross-sectional shape of the screw head 410, so that the screw head 410 can be installed into the mating groove 310 along its radial direction. After installation, the screw head 410 can still rotate, and the screw head 410 can drive the first adjustment seat 300 with the mating groove 310 to slide when it is raised and lowered relative to the first base 100. The first adjustment seat 300 can be cast, so that the setting cost of the mating groove 310 is relatively low, and the adjusting bolt 400 is a universal part, and the setting cost is also relatively low. Through the above-mentioned structure, it can not only meet the adjustment in the left and right directions, but also reduce the manufacturing cost.

[0043] Reference Figures 2 to 5 In some embodiments of the present invention, the first adjustment seat 300 has an escape notch 320 extending through the mating groove 310 along the depth direction of the first adjustment groove 110. The escape notch 320 can avoid the stud 420 and allow a tool to be inserted into the screw head 410 for operation. Specifically, the escape notch 320 can be integrally formed when the first adjustment seat 300 is provided. The escape notch 320 can pass through the mating groove 310. When the mating groove 310 and the adjustment bolt 400 cooperate, a tool such as an Allen key can be inserted into the screw head 410 to tighten the adjustment nut. The escape notch 320 can also pass through to connect to the first base 100.

[0044] Reference Figures 1 to 2 In some embodiments of the present invention, a raised portion 111 is provided on the inner sidewall of the first adjustment groove 110, and the raised portion 111 can slideably engage with the avoidance notch 320. Specifically, the raised portion 111 can extend along the depth direction of the first adjustment groove 110, and the raised portion 111 can match the local shape of the avoidance notch 320, so that the raised portion 111 can extend into the avoidance notch 320. This not only facilitates the positioning and installation of the first adjustment seat 300 in the first adjustment groove 110, but also enables the raised portion 111 to slideably engage with the avoidance notch 320, thereby making the first adjustment seat 300 slide more smoothly.

[0045] Reference Figures 7 to 10In some embodiments of the present invention, the second base 200 includes a shell 210 and a second adjustment seat 220. The shell 210 is provided with a second adjustment slot 211. The second adjustment seat 220 is installed in the second adjustment slot 211. The rotating arm 500 is connected to the second adjustment seat 220. The second adjustment seat 220 can slide in the up and down directions relative to the shell 210, and can slide in the front and back directions relative to the shell 210. The shell 210 is provided with a first adjustment hole 212, and the second adjustment seat 220 is provided with a second adjustment hole 221. One of the first adjustment hole 212 and the second adjustment hole 221 extends in the up and down direction, and the other extends in the front and back direction. The first adjustment hole 212 and the second adjustment hole 221 can fasten the second adjustment seat 220 to the shell 210 through fasteners. Specifically, the second adjustment seat 220 can move in the second adjustment slot 211 along the upper and lower front and back directions, the rotating arm 500 is connected to the second adjustment seat 220, and the position between the shell 210 and the second adjustment seat 220 can be adjusted, so that the position of the shell 210 and the first base 100 can be adjusted, and the fixed connection structure can be set as a fastener, the shell 210 can be provided with a first adjustment hole 212 extending up and down, and the second adjustment seat 220 can be provided with a second adjustment hole 221 extending forward and backward, so that after the second adjustment seat 220 is adjusted in position, the fastening screw can still pass through the first adjustment hole 212 and the second adjustment hole 221, and the second adjustment seat 220 can be fastened to the shell 210 by tightening the fastening screw.

[0046] Reference Figure 7 and Figure 8 In some embodiments of the present invention, the bottom wall of the second adjustment slot 211 is provided with a plurality of first strip-shaped teeth 213 extending in the front-to-back direction, and the first strip-shaped teeth 213 are arranged in parallel in the up-to-down direction. The bottom of the second adjustment seat 220 is provided with a plurality of second strip-shaped teeth 222, and the second strip-shaped teeth 222 can mesh with the first strip-shaped teeth 213. Specifically, when the second adjustment seat 220 is adjusted in the up-to-down direction, and the first strip-shaped teeth 213 are meshed with the second strip-shaped teeth 222, and then the fastener is tightened, the first strip-shaped teeth 213 and the second strip-shaped teeth 222 can form a supporting force in the up-to-down direction, and the connection is relatively tight and not easy to slide, thereby ensuring the position of the door body and not easy to loosen. When adjusting the door in the front-to-back direction, since the force in the front-to-back direction is small, a large locking force is not required. The first strip-shaped teeth 213 and the second strip-shaped teeth 222 cooperate to guide each other in the front-to-back direction, and can also facilitate the sliding adjustment of the second adjustment seat 220 in the front-to-back direction.

[0047] In some embodiments of the present invention, the internal thread portion is configured as a threaded hole. Specifically, a threaded hole can be directly provided on the first base 100 for connection with the adjusting bolt 400.

[0048] Reference Figure 2 、 Figure 5and Figure 6 In some embodiments of the present invention, the first base 100 further has a first through-hole 130 that penetrates the bottom wall of the first adjustment groove 110. The internal threaded portion is configured as a threaded sleeve 121 that passes through the first through-hole 130 and is fixedly connected to the first base 100. Specifically, the threaded sleeve 121 can be installed at the first through-hole 130 of the first base 100, eliminating the need for threading the first base 100 and facilitating processing. The specific installation method of the threaded sleeve 121 is not limited herein.

[0049] Reference Figure 2 、 Figure 5 and Figure 6 In some embodiments of the present invention, a limiting groove 112 is provided on the bottom wall of the first adjustment groove 110. The limiting groove 112 is connected to the first through hole 130. A first limiting portion 1211 is provided at the end of the threaded sleeve 121. The first limiting portion 1211 can be inserted into the limiting groove 112, and the limiting groove 112 can limit the rotation of the threaded sleeve 121. Specifically, the limiting groove 112 can be set to a hexagonal shape, and the hexagonal first limiting portion 1211 can be provided at the upper end of the threaded sleeve 121. After the other end of the threaded sleeve 121 passes through the first through hole 130, the first limiting portion 1211 can be inserted into the limiting groove 112. The limiting groove 112 cooperates with the first limiting portion 1211 to limit the threaded sleeve 121 from further insertion toward the first base 100 and also limit the rotation of the threaded sleeve 121.

[0050] Reference Figure 2 、 Figure 5 and Figure 6 In some embodiments of the present invention, a second stopper 1212 is provided at the end of the threaded sleeve 121 away from the first adjustment seat 300. The second stopper 1212 can abut against the bottom of the first base 100. Specifically, after the threaded sleeve 121 passes through the first through-hole 130, a folded edge can be pressed on the portion of the threaded sleeve 121 that passes through. The folded edge serves as the second stopper 1212. The second stopper 1212 can prevent the threaded sleeve 121 from separating from the first base 100, simplifying assembly and reducing manufacturing costs.

[0051] Reference Figures 11 to 13 It is understandable that hinges of different specifications can be adjusted in the left and right directions using the adjusting bolt 400 and the matching groove 310.

[0052] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the illustrative use of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0053] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An adjustable hinge, characterized in that: include: The first base (100) has a first adjustment groove (110), wherein the first adjustment groove (110) is extended along the thickness direction of the first base (100), and the first adjustment groove (110) is provided with an internal thread portion; a second base (200); A first adjustment seat (300) is installed in the first adjustment groove (110) and is capable of sliding along the depth direction of the first adjustment groove (110), and a matching groove (310) is provided on the side of the first adjustment seat (300); an adjusting bolt (400) rotatably mounted on the matching groove (310), the adjusting bolt (400) being threadedly connected to the internal threaded portion, and rotating the adjusting bolt (400) can drive the first adjusting seat (300) to slide along the first adjusting groove (110); The rotating arm (500) is connected to the first adjustment seat (300) and the second base (200) respectively, so that the first base (100) and the second base (200) can rotate relative to each other.

2. The adjustable hinge according to claim 1, characterized in that: The adjusting bolt (400) includes a screw head (410) and a stud (420), wherein the stud (420) is arranged at the bottom of the screw head (410), the screw head (410) can be inserted into the matching groove (310) laterally, and the top and bottom of the screw head (410) can both abut against the matching groove (310).

3. The adjustable hinge according to claim 2, characterized in that: The first adjustment seat (300) has an avoidance notch (320) that penetrates the matching groove (310) along the depth direction of the first adjustment groove (110). The avoidance notch (320) can avoid the stud (420) and can allow a tool to be inserted into the screw head (410) for operation.

4. The adjustable hinge according to claim 3, characterized in that: The inner side wall of the first adjustment groove (110) is provided with a protrusion (111), and the protrusion (111) can be slidably matched with the avoidance notch (320).

5. The adjustable hinge according to claim 1, characterized in that: The second base (200) includes a shell (210) and a second adjustment seat (220), the shell (210) is provided with a second adjustment slot (211), the second adjustment seat (220) is installed in the second adjustment slot (211), the rotating arm (500) is connected to the second adjustment seat (220), the second adjustment seat (220) can slide relative to the shell (210) in the up-down direction, and can slide relative to the shell (210) in the front-back direction, the shell (210) is provided with a first adjustment hole (212), the second adjustment seat (220) is provided with a second adjustment hole (221), one of the first adjustment hole (212) and the second adjustment hole (221) is extended in the up-down direction, and the other is extended in the front-back direction, the first adjustment hole (212) and the second adjustment hole (221) can fasten the second adjustment seat (220) to the shell (210) through fasteners.

6. The adjustable hinge according to claim 5, characterized in that: The bottom wall of the second adjustment slot (211) is provided with a plurality of first bar-shaped teeth (213) extending in the front-to-back direction, and the first bar-shaped teeth (213) are arranged in parallel in the up-down direction; the bottom of the second adjustment seat (220) is provided with a plurality of second bar-shaped teeth (222), and the second bar-shaped teeth (222) can mesh with the first bar-shaped teeth (213).

7. The adjustable hinge according to claim 1, characterized in that: The internal thread portion is configured as a threaded hole.

8. The adjustable hinge according to claim 1, characterized in that: The first base (100) further has a first through hole (130), which passes through the bottom wall of the first adjustment groove (110); the internal thread portion is configured as a threaded sleeve (121), which passes through the first through hole (130) and is fixedly connected to the first base (100).

9. The adjustable hinge according to claim 8, characterized in that: A limiting groove (112) is provided on the bottom wall of the first adjustment groove (110), and the limiting groove (112) is communicated with the first through hole (130). A first limiting portion (1211) is provided at the end of the threaded sleeve (121), and the first limiting portion (1211) can be inserted into the limiting groove (112). The limiting groove (112) can limit the rotation of the threaded sleeve (121).

10. The adjustable hinge according to claim 9, characterized in that: The threaded sleeve (121) is provided with a second limiting portion (1212) at one end away from the first adjustment seat (300), and the second limiting portion (1212) can abut against the bottom of the first base (100).

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