An adjustable door hinge

Abstract

The utility model discloses an adjustable door hinge, which relates to the technical field of door and window accessories, and comprises a first hinge, a second hinge and a hinge. The first hinge is provided with an adjusting component, the second hinge is provided with a locking component, the hinge is movably connected to the adjusting component and the locking component, the adjusting component can move in a first installation groove, the side wall of a protrusion of the adjusting component is provided with a first inclined surface and a second inclined surface, bolts are respectively connected in the first hole and the second hole, the bolts abut against the first inclined surface, and the adjusting component is pushed to move along the width direction thereof, thereby driving the hinge to move along the width direction of the first hinge; the bolts abut against the second inclined surface, and the adjusting component is pushed to move along the length direction thereof, thereby driving the hinge to move along the length direction of the first hinge, so that after the door hinge is installed, the hinge can move along the length direction and the height direction of the first hinge, thereby improving the convenience and flexibility of the door hinge installation.

Description

Technical Field

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

[0002] Generally, a door hinge is a hardware accessory used to connect a door leaf and a door frame, and its main function is to ensure that the door leaf can rotate naturally and smoothly to open and close; currently, a door hinge is provided with two leaves, which are respectively connected to the door leaf and the door frame. When installing the door leaf, the two leaves of the door hinge are respectively connected to the door frame and the door leaf, but the door hinge is difficult to adjust after installation. If the installation accuracy needs to be adjusted, the hinge needs to be disassembled and reinstalled and adjusted, which is not conducive to the convenience of installation of the door hinge and it is difficult to ensure the connection accuracy between the door frame and the door leaf. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, to provide an adjustable door hinge, to achieve adjustment of the door hinge after installation, and to improve the installation convenience of the door hinge.

[0004] According to an embodiment of the utility model, an adjustable door hinge is provided, comprising: a first hinge, a second hinge and a hinge, the first hinge is provided with a first mounting slot and an adjusting component, the adjusting component can move in the first mounting slot, two ends of the adjusting component are provided with protrusions, the protrusions are provided with first inclined surfaces on both sides along the width direction of the protrusions, the protrusions are provided with second inclined surfaces, the first hinge is provided with a plurality of first holes and a plurality of second holes, the first holes and the second holes extend from the upper surface of the first hinge to the first mounting slot, the first inclined surface is located below the first hole, the second inclined surface is located below the second hole, bolts are respectively connected in the first hole and the second hole, the bolts abut the first inclined surface to push the adjusting component to move in the width direction thereof, and the bolts abut the second inclined surface to push the adjusting component to move in the length direction thereof; the second hinge is provided with a locking component; the hinge is rotatably connected to the adjusting component and the locking component.

[0005] The adjustable door hinge described in the utility model has at least the following beneficial effects: the present embodiment is provided with a first hinge, a second hinge and a hinge, the first hinge is provided with an adjustment component, the second hinge is provided with a locking component, the hinge is movably connected to the adjustment component and the locking component, the adjustment component can move in the first installation groove, the side wall of the protrusion of the adjustment component is provided with a first inclined surface and a second inclined surface, the first hole and the second hole are respectively connected with bolts, the bolts move along the first hole so that the bolts abut against the first inclined surface, and push the adjustment component to move along its width direction; two second inclined surfaces are provided, and the two second inclined surfaces are located at the width of the protrusion On both sides of the direction, the two bolts push the adjusting part to move along the width direction of the first hinge, and then drive the hinge to move along the width direction of the first hinge; the bolt moves along the second hole to make the bolt abut against the second inclined surface and push the adjusting component to move along its length direction. The protrusions at both ends of the adjusting component are provided with a second inclined surface. The two bolts can drive the adjusting component to move along the length direction of the first hinge, and then drive the hinge to move along the length direction of the first hinge. After the door hinge is installed, the hinge can adjust its position in the length direction and width direction of the first hinge, which improves the convenience and flexibility of the door hinge installation.

[0006] According to an adjustable door hinge described in the utility model, the second hinge is provided with a second mounting groove, the second mounting groove extends downward from the upper surface of the second hinge, the locking assembly is located in the second mounting groove, locking pieces are provided at both ends of the locking assembly, the locking piece is provided with a fixing groove, the second hinge is provided with a plurality of third holes, the third holes are connected to the second mounting groove, the second hinge is provided with a fixing piece, the fixing piece passes through the fixing groove and is movably connected to the third hole, and the fixing piece can abut the surface of the locking piece.

[0007] According to the adjustable door hinge described in the utility model, the fixing member and the third hole are threadedly connected.

[0008] According to an adjustable door hinge described in the utility model, the fixing groove is located on the outer side wall of the locking member along its length direction, so that the fixing member can limit the movement of the locking member, and the upper wall of the locking member is provided with a sink groove, which is connected to the fixing groove, and the inner diameter of the sink groove is larger than the fixing groove, and the fixing member abuts against the bottom wall of the sink groove.

[0009] According to an adjustable door hinge described in the utility model, the locking member is provided with an inner groove and an opening which are connected to each other, the locking member is provided with a fixing hole, the fixing hole is connected to the inner groove, the inner groove extends inward from the side wall of the locking member, the opening is connected to the third hole, the fixing member is connected to the third hole, the inner diameter of the opening is smaller than the inner diameter of the inner groove, and the fixing member can abut the bottom wall of the inner groove.

[0010] According to the adjustable door hinge described in the utility model, the inner diameter of the inner groove is larger than the inner diameter of the fixing hole, so that the fixing piece can abut against the top wall of the inner groove.

[0011] According to an adjustable door hinge described in the utility model, the first mounting groove includes a connected adjustment groove and a first accommodating groove, the protrusion is located in the adjustment groove, the two adjustment grooves are located at both ends of the first accommodating groove, and the first accommodating groove extends downward from the upper surface of the first hinge.

[0012] According to an adjustable door hinge described in the utility model, the second installation groove includes a locking groove and a second accommodating groove which are connected to each other, the two locking grooves are located at both ends of the second accommodating groove, the locking member is located in the locking groove, and the hinge can be received in the first accommodating groove and the second accommodating groove.

[0013] According to an adjustable door hinge described in the utility model, the hinged component includes a first bridge arm, a second bridge arm and a rotating shaft, the first bridge arm and the second bridge arm are hinged through the rotating shaft, the first bridge arm is provided with a first fixed end and a first movable end, and the second bridge arm is provided with a second fixed end and a second movable end.

[0014] According to an adjustable door hinge described in the utility model, the adjusting component is provided with a first guide groove, the locking component is provided with a second guide groove, the first fixed end is rotatably connected to the adjusting component, the first movable end can slide along the second guide groove, the second fixed end is rotatably connected to the locking component, and the second movable end can slide along the first guide groove.

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

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 It is an axonometric view of an adjustable door hinge in an embodiment of the utility model;

[0018] Figure 2 An exploded view of an adjustable door hinge in an embodiment of the utility model;

[0019] Figure 3 This is an axonometric view of the adjustment assembly in the embodiment of the utility model;

[0020] Figure 4This is an axonometric view of the locking assembly in the embodiment of the utility model;

[0021] Figure 5 Another isometric view of the locking assembly in the embodiment of the utility model;

[0022] Figure 6 This is an axonometric view of the first hinge in the embodiment of the utility model;

[0023] Figure 7 It is a top view of an adjustable door hinge in an embodiment of the utility model;

[0024] Figure 8 It is an axonometric view of the hinge in the embodiment of the present utility model.

[0025] Reference numerals:

[0026] First hinge 100; first mounting slot 110; adjustment slot 111; first receiving slot 112; first hole 120; second hole 130; mounting hole 140; protective cover 150;

[0027] The second hinge 200; the second mounting groove 210; the locking groove 211; the second receiving groove 212; the third hole 220;

[0028] Hinge 300; first bridge arm 310; first fixed end 311; first movable end 312; second bridge arm 320; second fixed end 321; second movable end 322; rotating shaft 330;

[0029] Adjustment assembly 400; protrusion 410; first inclined surface 411; second inclined surface 412; first guide groove 420; adjustment member 430; connecting rod 431;

[0030] Locking assembly 500 ; locking member 510 ; fixing groove 511 ; sink groove 512 ; fixing hole 513 ; inner groove 514 ; opening 515 ; second guide groove 520 . DETAILED DESCRIPTION

[0031] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0032] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and 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, and therefore cannot be understood as a limitation on the present invention.

[0033] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0034] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0035] Reference Figures 1 to 3 The embodiment of the utility model provides an adjustable door hinge, including a first hinge 100, a second hinge 200 and a hinge 300, wherein the first hinge 100 is provided with an adjusting assembly 400, the second hinge 200 is provided with a locking assembly 500, and the hinge 300 is rotatably connected to the adjusting assembly 400 and the locking assembly 500; the first hinge 100 is provided with a first mounting groove 110, the adjusting assembly 400 can move in the first mounting groove 110, and the adjusting assembly 400 is provided with protrusions 410 at both ends along the length direction thereof, and the protrusions 410 are provided at both ends along the width direction thereof. A first inclined surface 411 is provided on the side, and a second inclined surface 412 is provided on the protrusion 410. The second inclined surfaces 412 of the two protrusions 410 are arranged at intervals along the length direction of the protrusion 410. The first hinge 100 is provided with a plurality of first holes 120 and second holes 130. The first holes 120 and the second holes 130 extend from the upper surface of the first hinge 100 to the first mounting groove 110. In the vertical direction, the first inclined surface 411 is located below the first hole 120, and the second inclined surface 412 is located below the second hole 130. Bolts are respectively connected in the first hole 120 and the second hole 130.

[0036] The bolt moves along the first hole 120 and abuts against the first inclined surface 411 to push the adjustment assembly 400 to move along the width direction of the first hinge 100, thereby driving the hinge 300 to move along the width direction of the first hinge 100. Through the first inclined surfaces 411 on both sides of the protrusion 410 along the width direction, the two bolts move along the two first holes 120 respectively, so that the adjustment assembly 400 moves in the width direction of the first hinge 100, and the position adjustment of the hinge 300 in the width direction of the first hinge 100 is achieved. The bolt moves along the second hole 130, and the bolt abuts against the second inclined surface 412, so as to push the adjustment component 400 to move along the length direction of the first hinge 100, thereby driving the hinge 300 to move along the length direction of the first hinge 100; the second inclined surfaces 412 of the two protrusions 410 are arranged along the length direction of the adjustment component 400, and the two bolts move along the second holes 130 respectively, so as to push the adjustment component 400 to move in the length direction of the first hinge 100, so as to achieve the position adjustment of the hinge 300 in the length direction of the first hinge 100. After the door hinge is installed, the position adjustment of the hinge 300 in the length direction and width direction of the first hinge 100 is achieved by adjusting the bolts in the first hole 120 and the second hole 130, so as to improve the convenience and flexibility of the door hinge installation and ensure the connection accuracy between the door leaf and the door frame.

[0037] Reference Figure 2 , Figure 4 and Figure 7 In some embodiments of the utility model, the second hinge 200 is provided with a second mounting groove 210, which extends downward from the upper surface of the second hinge 200, and the locking assembly 500 is located in the second mounting groove 210. The locking assembly 500 is provided with locking members 510 at both ends along its length direction, and the locking member 510 is provided with a fixing groove 511. The second hinge 200 is provided with a plurality of third holes 220, and the third holes 220 extend downward from the bottom wall of the second mounting groove 210. The second hinge 200 is provided with a fixing member, which passes through the fixing groove 511 and is movably connected to the third hole 220. The fixing member can abut against the surface of the locking member 510 to hinder the movement of the locking assembly 500, thereby hindering the movement of the hinge 300 in the installation position in the second hinge 200.

[0038] In some embodiments of the present invention, the fixing member and the third hole 220 are optionally threadedly connected so that the fixing member can move along the third hole 220. The fixing member is inserted into the fixing groove 511, and the position of the fixing member in the third hole 220 is adjusted so that the fixing member abuts against the surface of the locking member 510, so that the fixing member blocks the movement of the locking assembly 500, thereby fixing the hinge 300 and the second hinge 200.

[0039] It is understandable that the connection between the fixing member and the third hole 220 can also be a lock provided outside the third hole 220, and the fixing member can be fixed in the third hole 220 through the connection between the lock and the fixing member. The connection between the fixing member and the third hole 220 can be selected according to the actual application, and the present application does not limit it here.

[0040] Reference Figure 2 and Figure 4 In some embodiments of the present invention, the fixing groove 511 is located on the outer side wall of the locking member 510 along the length direction thereof. When the fixing member passes through the fixing groove 511 and is movably connected to the third hole 220, the fixing member can hinder the movement of the locking member 510 along the length direction thereof. The upper wall of the locking member 510 has a recessed groove 512, which is connected to the fixing groove 511. The inner diameter of the recessed groove 512 is larger than that of the fixing groove 511. The fixing member can press against the inner wall of the recessed groove 512 to hinder the movement of the locking member 510 along the vertical direction. By passing the fixing member through the fixing groove 511, the fixing member moves along the third hole 220, and the fixing member presses against the bottom wall of the recessed groove 512, the fixing member hinders the movement of the locking member 510, and then the relative position of the hinge 300 and the second hinge 200 is fixed. By setting the recessed groove 512, the fixing member can be protected, the service life of the fixing member can be increased, and the volume of the second hinge 200 can be reduced.

[0041] Reference Figure 4 In some embodiments of the utility model, along the vertical direction, the locking member 510 is provided with a connecting fixing hole 513, an inner groove 514, and an opening 515 in sequence, the fixing hole 513 extends from the upper surface of the locking member 510 to the inner groove 514, the side wall of the inner groove 514 locking member 510 extends inward, the opening 515 extends from the bottom wall of the locking member 510 to the inner groove 514, the opening 515 is connected to the third hole 220, a fixing member is movably connected in the third hole 220, the third hole 220 and the fixing member are threadedly connected, and the inner diameter of the opening 515 is smaller than the inner diameter of the inner groove 514. When installing the locking member 510 on the second hinge 200, first put the fixing member into the inner groove 514 from the side wall of the locking member 510, align the fixing member with the third hole 220, pass the tool through the fixing hole 513, and connect the fixing member to the third hole 220 through the tool. The fixing member abuts against the bottom wall of the inner groove 514, so that the fixing member hinders the movement of the locking member 510, thereby fixing the hinge 300 in its installation position on the second hinge 200.

[0042] In some embodiments of the utility model, the locking member 510 can move in the vertical direction within the second mounting groove 210, and the locking member 510 is provided with a connected sink groove 512 and a fixed groove 511, the sink groove 512 extends from the upper wall surface of the locking member 510 to the fixed groove 511, the inner diameter of the sink groove 512 is larger than the fixed groove 511, the fixed groove 511 is connected to the third hole 220, a fixing member is passed through the fixing groove 511, and the fixing member is movably connected to the third hole 220, and the fixing member can abut the bottom wall of the sink groove 512 to limit the vertical upward movement of the locking member 510. In the vertical direction, the locking member 510 is provided with a connecting fixing hole 513, an inner groove 514, and an opening 515 in sequence. The inner groove 514 extends inward from the side wall of the locking member 510. The fixing hole 513 extends from the upper surface of the locking member 510 to the inner groove 514. The opening 515 extends from the lower surface of the locking member 510 to the inner groove 514. The opening 515 is connected to the third hole 220. A bolt is connected to the third hole 220, and the bolt passes through the inner groove 514. The inner diameter of the fixing hole 513 is smaller than the inner diameter of the inner groove 514. The inner diameter of the opening 515 is smaller than the inner diameter of the inner groove 514. The bolt enters the inner groove 514 from the side wall of the locking member 510, and moves along the third hole 220 through the fixing hole 513. The bolt abuts against the top wall of the inner groove 514 to limit the locking member 510 from moving vertically downward; the bolt located in the inner groove 514 moves along the third hole 220 to adjust the movement of the locking member 510 in the vertical direction, driving the movement of the locking assembly 500 in the vertical direction, and then driving the movement of the hinge 300 in the vertical direction, and the fixing member abuts against the bottom wall of the sink 512 to achieve the fixing of the locking member 510 after adjustment in the vertical direction. The bolt located in the inner groove 514 moves along the third hole 220 and the fixing member abuts against the bottom wall of the sink 512, so that the locking assembly 500 can move in the vertical direction, thereby achieving the position adjustment of the hinge 300 and the second hinge 200 in the vertical direction, and improving the flexibility and accuracy of the installation of the hinge 300.

[0043] It can be understood that when the locking assembly 500 is installed on the second hinge 200, the bolt is placed into the inner groove 514 from the side wall of the locking member 510, the bolt is aligned with the third hole 220, and the tool is inserted into the fixing hole 513. The bolt is adjusted by the tool to move along the third hole 220 to adjust the locking member 510 to move in the vertical direction.

[0044] Reference Figure 6 In some embodiments of the utility model, the first mounting groove 110 includes a connected adjustment groove 111 and a first receiving groove 112, the two adjustment grooves 111 are located at both ends of the first receiving groove 112, the protrusion 410 is located in the adjustment groove 111, the first receiving groove 112 extends downward from the upper surface of the first hinge 100, and the adjustment groove 111 extends outward from the side wall of the first receiving groove 112, so as to enable the adjustment assembly 400 to move in the first mounting groove 110.

[0045] Reference Figure 3 It can be understood that the adjustment assembly 400 is composed of two adjustment members 430, the protrusion 410 is located at one end of the adjustment member 430, and the other end of the adjustment member 430 is provided with a connecting rod 431, and the connecting rods 431 of the two adjustment members 430 are detachably connected. When installing the adjustment assembly 400 and the first hinge 100, the protrusion 410 of the single adjustment member 430 is respectively inserted into the two adjustment grooves 111, and then the two adjustment connecting rods 431 are connected to connect the two adjustment members 430 into the adjustment assembly 400. The adjustment assembly 400 is an integrated assembly to improve the adjustment efficiency.

[0046] Reference Figure 2 and Figure 7 In some embodiments of the present invention, the second installation groove 210 includes a locking groove 211 and a second receiving groove 212 that are interconnected. The two locking grooves 211 are located at both ends of the second receiving groove 212. The locking member 510 is located in the locking groove 211. The third hole 220 extends downward from the bottom wall of the locking groove 211. The hinge 300 can be received in the first receiving groove 112 and the second receiving groove 212. After the door hinge is installed, the door hinge is in a closed state. The hinge 300 is located in the first receiving groove 112 and the second receiving groove 212.

[0047] Reference Figure 1 and Figure 8 In some embodiments of the utility model, the hinge 300 includes a first bridge arm 310, a second bridge arm 320, and a rotating shaft 330. The first bridge arm 310 and the second bridge arm 320 are hinged through the rotating shaft 330. The first bridge arm 310 and the second bridge arm 320 can rotate relative to each other. The first bridge arm 310 is provided with a first fixed end 311 and a first movable end 312, and the second bridge arm 320 is provided with a second fixed end 321 and a second movable end 322.

[0048] Reference Figure 3 and Figure 5In some embodiments of the utility model, the adjusting component 400 is provided with a first guide groove 420, and the first guide groove 420 is located on the side of the adjusting member 430 away from the protrusion 410, and the locking component 500 is provided with a second guide groove 520, the first fixed end 311 is rotatably connected to the adjusting component 400, the first movable end 312 can move along the second guide groove 520, the second fixed end 321 is rotatably connected to the locking component 500, and the second movable end 322 can slide along the first guide groove 420. When the door hinge is converted from an open state to a closed state, the first bridge arm 310 and the second bridge arm 320 rotate relative to each other, the first movable end 312 slides along the second guide groove 520, and the second movable end 322 slides along the first guide groove 420, the hinge 300 is received in the first accommodating groove 112 and the second accommodating groove 212, and the first hinge 100 and the second hinge 200 rotate relative to each other.

[0049] Reference Figure 1 and Figure 7 In some embodiments of the utility model, the first hinge 100 and the second hinge 200 are respectively provided with a plurality of mounting holes 140, and the mounting holes 140 are used to respectively mount the first hinge 100 and the second hinge 200 on the door frame and the door leaf, so as to fix the first hinge 100 and the second hinge 200 to the door leaf and the door frame, respectively.

[0050] Reference Figure 1 Optionally, the first hinge 100 and the second hinge 200 are respectively provided with a plurality of protective covers 150, and the plurality of protective covers 150 are respectively detachably connected to the first hinge 100 and the second hinge 200, and the plurality of protective covers 150 respectively cover the top of the protrusion 410 and the locking member 510. After the door hinge is installed, the plurality of protective covers 150 are respectively installed on the first hinge 100 and the second hinge 200 to protect the protrusion 410, the locking member 510, the bolts, the fixing parts and other parts to prevent damage to the components of the door hinge.

[0051] In the description of this specification, the description with reference to the terms "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 the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0052] 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 spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An adjustable door hinge, characterized in that: include: The first hinge is provided with a first mounting slot and an adjusting component, the adjusting component can move in the first mounting slot, protrusions are provided at both ends of the adjusting component, the protrusions are provided with first inclined surfaces on both sides along the width direction thereof, the protrusions are provided with second inclined surfaces, the first hinge is provided with a plurality of first holes and a plurality of second holes, the first holes and the second holes extend from the upper surface of the first hinge to the first mounting slot, the first inclined surface is located below the first hole, the second inclined surface is located below the second hole, bolts are respectively connected in the first hole and the second hole, the bolts abut against the first inclined surface to push the adjusting component to move in the width direction thereof, and the bolts abut against the second inclined surface to push the adjusting component to move in the length direction thereof; The second hinge is provided with a locking assembly; A hinge is rotatably connected to the adjustment assembly and the locking assembly.

2. An adjustable door hinge according to claim 1, characterized in that: The second hinge is provided with a second mounting groove, and the second mounting groove extends downward from the upper surface of the second hinge. The locking assembly is located in the second mounting groove. Locking pieces are provided at both ends of the locking assembly, and the locking piece is provided with a fixing groove. The second hinge is provided with a plurality of third holes, and the third holes are connected to the second mounting groove. The second hinge is provided with a fixing piece, and the fixing piece passes through the fixing groove and is movably connected to the third hole, and the fixing piece can abut against the surface of the locking piece.

3. An adjustable door hinge according to claim 2, characterized in that: The fixing piece is threadedly connected to the third hole.

4. An adjustable door hinge according to claim 2, characterized in that: The fixing groove is located on the outer side wall of the locking member along its length direction so that the fixing member can limit the movement of the locking member. The upper wall of the locking member is provided with a sink groove, which is connected to the fixing groove. The inner diameter of the sink groove is larger than that of the fixing groove, and the fixing member abuts against the bottom wall of the sink groove.

5. The adjustable door hinge according to claim 2, characterized in that: The locking member is provided with an inner groove and an opening which are connected to each other, and the locking member is provided with a fixing hole, the fixing hole is connected to the inner groove, the inner groove extends inward from the side wall of the locking member, the opening is connected to the third hole, the fixing member is connected to the third hole, the inner diameter of the opening is smaller than the inner diameter of the inner groove, and the fixing member can abut the bottom wall of the inner groove.

6. An adjustable door hinge according to claim 5, characterized in that: The inner diameter of the inner groove is greater than the inner diameter of the fixing hole, so that the fixing member can abut against the top wall of the inner groove.

7. An adjustable door hinge according to claim 2, characterized in that: The first installation groove includes a connected adjustment groove and a first receiving groove, the protrusion is located in the adjustment groove, the two adjustment grooves are located at both ends of the first receiving groove, and the first receiving groove extends downward from the upper surface of the first hinge.

8. An adjustable door hinge according to claim 7, characterized in that: The second installation groove includes a locking groove and a second receiving groove which are connected to each other, the two locking grooves are located at two ends of the second receiving groove, the locking member is located in the locking groove, and the hinge can be received in the first receiving groove and the second receiving groove.

9. The adjustable door hinge according to claim 1, characterized in that: The hinged component includes a first bridge arm, a second bridge arm and a rotating shaft. The first bridge arm and the second bridge arm are hinged via the rotating shaft. The first bridge arm is provided with a first fixed end and a first movable end, and the second bridge arm is provided with a second fixed end and a second movable end.

10. An adjustable door hinge according to claim 9, characterized in that: The adjusting component is provided with a first guide groove, the locking component is provided with a second guide groove, the first fixed end is rotatably connected to the adjusting component, the first movable end can slide along the second guide groove, the second fixed end is rotatably connected to the locking component, and the second movable end can slide along the first guide groove.

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