Three-dimensional adjustable dark hinge

Abstract

The utility model relates to the technical field of hinges, and particularly discloses a three-dimensional adjustable blind hinge. Comprising a main body block, a left-right adjusting block and an up-down adjusting block, the main body block is provided with a connecting hole and connected with a left-right adjusting screw, the left-right adjusting block is provided with a threaded hole, and the left-right adjusting screw is in threaded connection with the threaded hole; the left-right adjusting block is provided with a hinged shaft hinged to the up-down adjusting block, the up-down adjusting block is provided with an up-down adjusting long hole extending in the vertical direction and a front-back adjusting long hole extending in the transverse direction, the up-down adjusting long hole is provided with a first fixing piece, and the front-back adjusting long hole is provided with a second fixing piece. By arranging the main body block, the left-right adjusting block, the up-down adjusting block, the left-right adjusting screw rod, the first fixing piece and the second fixing piece, the left-right, up-down and front-back three-dimensional adjustable effect on the door leaf provided with the hidden hinge is achieved, and the hinge has the advantages of being simple in structure, small in part number, low in production cost and easy to install and adjust.

Description

Technical Field

[0001] This utility model relates to the technical field of hinges, and specifically discloses a three-dimensional adjustable concealed hinge. Background Technology

[0002] A concealed hinge is a device where one end of the hinge is installed on the door frame, and the door leaf is then fixed to the other end of the hinge, allowing the door leaf to open and close on the door frame. This design is not only aesthetically pleasing but also allows the hinge to be completely hidden within the door frame and door leaf when closed, improving both the overall visual appeal and security. Concealed hinges are widely used in the installation of cabinet doors, room doors, and other door panels because their concealed design makes the opening and closing of the door leaf smoother and less noticeable.

[0003] Because hinges require positional adjustments on the door frame or door leaf during actual installation, some three-dimensional adjustable concealed hinge products have emerged on the market. While these products can be adjusted in three directions (front / back, left / right, and up / down), existing concealed hinge products typically suffer from complex structures, numerous parts, and high casting difficulty. This not only increases production costs but also raises assembly complexity, hindering large-scale production and market promotion. Therefore, there is a need to propose a simple, three-dimensionally adjustable concealed hinge structure to reduce production costs and enhance market competitiveness. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a three-dimensional adjustable dark hinge.

[0005] This utility model discloses a three-dimensional adjustable dark hinge, which adopts the following technical solution:

[0006] A three-dimensional adjustable concealed hinge includes: a main block, a left-right adjustment block, and a right-up adjustment block. The main block has a connecting hole and a left-right adjustment screw connected to it. The left-right adjustment block has a threaded hole, and the left-right adjustment screw is threadedly connected to the threaded hole. The left-right adjustment block has a hinge shaft that is hinged to the right-up adjustment block. The right-up adjustment block has a vertically extending right-up adjustment elongated hole and a horizontally extending front-back adjustment elongated hole. The vertically extending right-up adjustment elongated hole has a first fixing member, and the front-back adjustment elongated hole has a second fixing member.

[0007] Preferably, the main body block, the left and right adjustment block, and the up and down adjustment block are all sheet metal parts.

[0008] Preferably, the upper and lower adjustment blocks are provided with door frame fixing holes, and the door frame fixing holes are provided with third fixing members; the main body block is provided with door leaf fixing holes, and the door leaf fixing holes are provided with fourth fixing members.

[0009] Preferably, the left and right adjustment blocks are provided with guide bosses on both sides, and the main block is provided with guide grooves extending parallel to the axial direction of the left and right adjustment screws, and the guide bosses are slidably disposed in the guide grooves.

[0010] Preferably, the left and right adjustment blocks are provided with a limiting pin, which is located on one side of the hinge.

[0011] Preferably, it further includes a first cover plate, which covers the outside of the left and right adjustment blocks.

[0012] Preferably, the edge of the first cover plate is provided with several buckles, and the main body block is provided with a slot that engages with the buckles.

[0013] Preferably, the screw head of the left and right adjusting screw has an internal hexagonal hole, and the inner side of the first cover plate is provided with a first plug-in post that is inserted into the internal hexagonal hole.

[0014] Preferably, it further includes a second cover plate, which covers the outside of the upper and lower adjusting blocks.

[0015] Preferably, the upper and lower adjusting blocks are provided with a plurality of insertion holes, and the inner side of the second cover plate is provided with a second insertion post that is inserted into the insertion holes.

[0016] Compared with the prior art, the present invention has at least the following beneficial effects:

[0017] This utility model achieves three-dimensional adjustment of the door leaf with concealed hinges in the left, right, up, and back by setting a main block, left and right adjustment blocks, up and down adjustment blocks, left and right adjustment screws, a first fixing member, and a second fixing member. The hinge structure of this solution is simple and has fewer parts, which has the advantages of lower production cost and easy installation and adjustment. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the three-dimensional adjustable dark hinge of this utility model.

[0019] Figure 2 for Figure 1 A schematic diagram of the concealed hinge after it has been rotated a certain angle;

[0020] Figure 3 for Figure 1 A schematic diagram of a concealed hinge without the first and second cover plates;

[0021] Figure 4 This is a structural breakdown diagram of the three-dimensional adjustable dark hinge of this utility model.

[0022] Explanation of icon numbers:

[0023] 1. Main body block; 101. Connecting hole; 102. Door leaf fixing round hole; 103. Guide groove; 104. Slot; 2. Left and right adjustment block; 201. Threaded hole; 202. Guide boss; 3. Up and down adjustment block; 31. Connecting arm; 32. Hollow sleeve; 301. Up and down adjustment elongated hole; 302. Front and rear adjustment elongated hole; 303. Door frame fixing round hole; 304. Insertion hole; 4. Hinge shaft; 5. Left and right adjustment screw; 501. Hexagonal socket hole; 6. First fixing component; 7. Second fixing component; 8. Third fixing component; 9. Fourth fixing component; 10. Limiting pin shaft; 11. First cover plate; 1101. Buckle; 12. Second cover plate. Detailed Implementation

[0024] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0025] A three-dimensional adjustable dark hinge, reference Figure 1-4 The system includes: a main block 1, a left-right adjusting block 2, and a right-right adjusting block 3. The main block 1 has a connecting hole 101 and a left-right adjusting screw 5 connected thereto. Specifically, the left-right adjusting screw 5 can be connected to the main block 1 by mounting nuts on both sides of the connecting hole 101. The left-right adjusting block 2 has a threaded hole 201, and the left-right adjusting screw 5 is threadedly connected to the threaded hole 201. The left-right adjusting block 2 has a hinge pin 4 that is hinged to the right-right adjusting block 3. Specifically, the right-right adjusting block 3 can be assembled and connected to the hinge pin 4 by a connecting arm 31 with a hollow sleeve 32. The right-right adjusting block 3 has a vertically extending right-right adjusting elongated hole 301 and a horizontally extending front-back adjusting elongated hole 302. The vertically extending right-right adjusting elongated hole 301 has a first fixing member 6, and the front-back adjusting elongated hole 302 has a second fixing member 7. Specifically, both the first fixing member 6 and the second fixing member 7 are screws.

[0026] By connecting the left and right adjustment blocks 2 to the main body block 1 with left and right adjustment screws 5, when the left and right position of the door leaf (i.e., the position in the Z-axis direction in the figure) needs to be adjusted, rotating the left and right adjustment screws 5 controls the left and right adjustment blocks 2 to move along the axis of the left and right adjustment screws 5 on the main body block 1 until the left and right position of the door leaf is adjusted appropriately. By setting hinge pins 4 on the left and right adjustment blocks 2 and hinged to the upper and lower adjustment blocks 3, and setting upper and lower adjustment elongated holes 301 and front and back adjustment elongated holes 302 on the upper and lower adjustment blocks 3, the first fixing member 6 is passed through the upper and lower adjustment elongated holes 301 and installed on the door frame. When the upper and lower position of the door leaf (i.e., the position in the Y-axis direction in the figure) needs to be adjusted, the first fixing member 6 is loosened, the upper and lower position of the door leaf is moved to the appropriate position and then fixed, completing the upper and lower position adjustment of the door leaf. When the front and back position of the door leaf (i.e., the position in the X-axis direction in the figure) needs to be adjusted, the second fixing member 7 is passed through the front and back adjustment elongated holes 302 and installed on the door frame, while the first fixing member 6 is removed, the front and back position of the door leaf is moved to the appropriate position and then fixed, completing the front and back position adjustment of the door leaf. The concealed hinge structure of this design is simple and has fewer components.

[0027] As a preferred embodiment, the upper and lower adjusting block 3 is provided with a door frame fixing hole 303, and the door frame fixing hole 303 is provided with a third fixing member 8. After the position is adjusted, the third fixing member 8 can be passed through the door frame fixing hole 303 and locked with the door frame, which can improve the connection stability and reliability between the door leaf and the door frame. In this embodiment, the main block 1 is provided with a door leaf fixing hole 102 and a fourth fixing member 9. The fourth fixing member 9 passes through the door leaf fixing hole 102 and is fixed with the door leaf, realizing the connection and fixation between the concealed hinge and the door leaf. Specifically, both the third fixing member 8 and the fourth fixing member 9 are screws. Of course, in other embodiments, the concealed hinge can also be connected and fixed to the door frame and door leaf in other ways, but the screw fixing method is more convenient and stable.

[0028] As a preferred embodiment, the left and right adjusting blocks 2 are provided with guide bosses 202 on both sides, and the main body block 1 is provided with guide grooves 103 extending parallel to the axial direction of the left and right adjusting screws 5. The guide bosses 202 are slidably disposed in the guide grooves 103. By adopting the above configuration, when the left and right adjusting blocks 2 move on the main body block 1, the cooperation between the guide bosses 202 and the guide grooves 103 makes the movement and adjustment process more stable and improves the structural reliability.

[0029] As a preferred option, the left and right adjustment blocks 2 are provided with a limiting pin 10. The limiting pin 10 is located on one side of the hinge pin 4. The limiting pin 10 abuts against one side of the connecting arm 31 of the upper and lower adjustment blocks 3, thereby limiting the rotation angle of the upper and lower adjustment blocks 3. This is suitable for use in some door panels with a range of opening settings.

[0030] As a preferred embodiment, a first cover plate 11 is provided on the outer side of the left and right adjustment block 2. The edge of the first cover plate 11 is provided with several clips 1101. The main body block 1 is provided with a slot 104 that engages with the clips 1101. After the left and right position of the door leaf is adjusted, the first cover plate 11 can be fastened onto the main body block 1 and cover the outer side of the left and right adjustment block 2, thereby improving aesthetics and dust prevention. Furthermore, the screw head of the left and right adjustment screw 5 has an internal hexagonal hole 601. The inner side of the first cover plate 11 is provided with a first insertion post that corresponds to the internal hexagonal hole 601, further improving the connection stability of the first cover plate 11. The hole positions of the left and right adjustment screw 5 are used for positioning and insertion installation, simplifying the structure.

[0031] As a preferred embodiment, a second cover plate 12 is provided on the outer side of the upper and lower adjustment block 3. The length and width of the second cover plate 12 are larger than those of the upper and lower adjustment block 3. Even after adjusting the upper and lower and front and back positions, the grooved part of the door frame can be covered. The upper and lower adjustment block 3 is provided with several insertion holes 304. The inner side of the second cover plate 12 is provided with a second insertion post that is inserted into the insertion holes 304, so that the second cover plate 12 is installed on the upper and lower adjustment block 3 to achieve the function of covering and concealing.

[0032] In this embodiment, the main body block 1, the left and right adjustment block 2, and the up and down adjustment block 3 are all stamped sheet metal parts. The connecting arm 31, hollow sleeve 32, guide boss 202, guide groove 103, slot 104, and various holes can all be made by punching, bending, and drilling thin metal sheets. Compared with the existing hinges with complex structures made by castings, the components of this solution are not only simple in structure, easy to produce, and have lower cost and fewer parts, but also the sheet metal parts have higher strength and stronger load-bearing capacity than the castings.

[0033] The technical solution provided by this utility model has been described in detail above. Specific examples have been used to illustrate the principle and implementation of this utility model. The description of the above embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation and application scope based on the idea of ​​this utility model. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A three-dimensional adjustable dimmable hinge, characterized in that, The utility model relates to a door and window frame adjusting device, including: The main body block is equipped with connecting hole and is connected with left and right adjusting screw rod, left and right adjusting block is equipped with threaded hole, left and right adjusting screw rod is connected with threaded hole screw thread, left and right adjusting block is equipped with hinge axle and is hinged with the upper and lower adjusting block, the upper and lower adjusting block is equipped with the upper and lower adjusting long hole along the vertical direction extension and the front and rear adjusting long hole along the lateral direction extension, the upper and lower adjusting long hole is equipped with first fixed part, and the front and rear adjusting long hole is equipped with second fixed part.

2. The three-dimensional adjustable dimmer hinge of claim 1, wherein, The main body block, left and right adjusting block and upper and lower adjusting block are sheet metal parts.

3. The three-dimensional adjustable dimmer hinge of claim 1, wherein, The upper and lower adjusting block is equipped with door frame fixed round hole, and the door frame fixed round hole is equipped with third fixed part; the main body block is equipped with door leaf fixed round hole, and the door leaf fixed round hole is equipped with fourth fixed part.

4. The three-dimensional adjustable dimmer hinge of claim 1, wherein, The left and right adjusting block both sides are equipped with guide boss, and the main body block is equipped with the guide recess that extends axially in parallel with left and right adjusting screw rod, and the guide boss is slidably arranged in the guide recess.

5. The three-dimensional adjustable dimmer of claim 1, wherein, The left and right adjusting block is equipped with limit pin shaft, and the limit pin shaft is located on the side of the hinge axle.

6. The three-dimensional adjustable dimmer according to any one of claims 1-5, wherein, Further comprising a first cover plate, the first cover plate is covered in the outer side of the left and right adjusting block.

7. The three-dimensional adjustable dimmer hinge of claim 6, wherein, The edge of the first cover plate is equipped with a plurality of buckles, and the main body block is equipped with a clamping groove matched with the buckle.

8. The three-dimensional adjustable dimmer hinge of claim 6, wherein, The screw head of the left and right adjusting screw rod has an internal hexagon hole, and the inner side of the first cover plate is equipped with a first plug-in column corresponding to the internal hexagon hole.

9. The three-dimensional adjustable dimmer according to any one of claims 1-5, wherein, Further comprising a second cover plate, the second cover plate is covered in the outer side of the upper and lower adjusting block.

10. The three-dimensional dimmable hinge of claim 9, wherein, The upper and lower adjusting block is equipped with a plurality of plug-in holes, and the inner side of the second cover plate is equipped with a second plug-in column corresponding to the plug-in hole.

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