A plug-in adjustable heavy-duty door hinge

Abstract

The utility model discloses a kind of adjustable heavy door hinges of insert sheet type, the end face of first hinge piece towards fan body one side is equipped with the first adjusting structure connected by screw, the first hinge piece and fan body are connected by the first adjusting structure, the second hinge piece and frame are connected by the second adjusting structure, by inserting adjusting insert sheet in the gap of the first adjusting piece and first hinge piece, the spacing width of frame fan can be adjusted, plane thrust bearing is set between the first hinge piece and the second hinge piece, rotate mute without jam in the process of bearing, cooperate self-lubricating bearing bush, rotate stable wear resistance, the both ends of the first hinge piece and the second hinge piece are equipped with stainless steel end cap, inner sealing ring is equipped, play waterproof dustproof effect, the axis of hinge shaft is inclined to fan page side, than conventional center hinge can be adapted to narrower frame, to avoid interference with wall body.

Description

Technical Field

[0001] This utility model relates to the field of door and window accessories technology, specifically to a insert-type adjustable heavy-duty door hinge. Background Technology

[0002] Existing building doors and windows generally consist of door and window frames and door and window sashes. The door and window frames and door and window sashes are connected together by hinges. The door and window hinges play the role of opening and closing the doors and windows and bearing the weight. Under current technology, there are certain dimensional errors in the manufacturing process of door and window frames and sashes, which leads to errors in the fit between the frame and the sash. Among them, the structure of the hinges affects the appearance of the doors and windows after installation and the difficulty of construction.

[0003] In the past, three-dimensional adjustable hinges were generally used to adjust the tolerance of the installation overlap size, thus solving this problem; however, hinges are generally used in sets of three, and it is difficult to adjust them all to be in a straight line, resulting in visible misalignment of the upper and lower hinges, abnormal noise, interference, and inconsistent door gap spacing. Utility Model Content

[0004] To address the technical deficiencies in the background technology, this utility model proposes an insert-type adjustable heavy-duty door hinge, which solves the aforementioned technical problems and meets practical needs. The specific technical solution is as follows: An insert-type adjustable heavy-duty door hinge includes a hinge shaft, a first hinge piece sleeved on the hinge shaft and connected to the door leaf, and a second hinge piece connected to the frame. The end face of the first hinge piece facing the door leaf is provided with a first adjustment structure connected by screws, and the end face of the second hinge piece facing the frame is provided with a second adjustment structure connected by screws. The first adjustment structure includes a first adjustment piece, a first fixing screw passing through the thickness direction of the first hinge piece and the first adjustment piece, and a first adjustment screw. At least one adjustment insert is inserted between the first hinge piece and the first adjustment piece, and one end of the adjustment insert is provided with a socket adapted to the shape of the first adjustment piece.

[0005] As an improvement to the above solution, the first hinge piece is provided with a first bushing adapted to the hinge shaft, the end of the first bushing is provided with a first cap, and a first sealing ring is provided between the first cap and the inner surface of the first bushing.

[0006] As an improvement to the above solution, the second hinge piece is provided with a second bushing adapted to the hinge shaft, the end of the second bushing away from the first hinge piece is provided with a second cap, a second sealing ring is provided between the second cap and the inner surface of the second bushing, and a thrust bearing is provided at the other end of the second bushing.

[0007] As an improvement to the above solution, the inner surface of the first bushing is provided with self-lubricating bearing bushings near both ends, and the inner surface of the first bushing is provided with an annular groove to accommodate the self-lubricating bearing bushings.

[0008] As an improvement to the above solution, the end face of the first adjusting piece facing the first hinge piece is provided with a boss, and the first hinge piece is provided with a first groove that matches the shape of the boss at the corresponding position.

[0009] As an improvement to the above solution, the first adjusting piece includes a first half piece and a second half piece formed by splicing, and the thickness direction of the first hinge piece is provided with a first adjusting screw and a first fixing screw at the positions corresponding to the first half piece and the second half piece.

[0010] As an improvement to the above solution, both the first half and the second half are P-shaped, and the boss includes a first boss disposed on the first half and a second boss disposed on the second half.

[0011] As an improvement to the above solution, the first boss has a first extension extending toward the second boss, and the first boss on the first extension overlaps the outer edge of the second half. The second boss has a second extension extending toward the first boss, and the second boss on the second extension overlaps the outer edge of the first half piece.

[0012] As an improvement to the above solution, the second hinge piece has a second groove on its end face facing the second adjusting piece. The second adjusting structure includes a second adjusting piece, a second fixing screw passing through the thickness direction of the second hinge piece and the second adjusting piece, and a second adjusting screw. The second adjusting piece has an arc-shaped portion that arches towards the second groove.

[0013] As an improvement to the above solution, the insertion port of the adjusting insert is inserted into the gap between the first adjusting piece and the first hinge piece along one end of the first hinge piece, and the inner side of the adjusting insert is aligned with the outer side of the boss.

[0014] The beneficial effects of this utility model are as follows: the first hinge piece and the fan body are connected by a first adjustment structure, and the second hinge piece and the frame are connected by a second adjustment structure. By inserting an adjustment piece into the gap between the first adjustment piece and the first hinge piece, the spacing between the frame and the fan body can be adjusted. A planar thrust bearing is provided between the first hinge piece and the second hinge piece, which rotates silently and without jamming during load-bearing. With the help of a self-lubricating bearing bushing, the rotation is smooth and wear-resistant. Both ends of the first and second hinge pieces are provided with stainless steel end caps with internal sealing rings, which provide waterproof and dustproof effects. The axis of the hinge shaft is biased towards the fan side, which can accommodate narrower frames than conventional center-mounted hinges, thereby avoiding interference with the wall. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the hinge of this utility model.

[0016] Figure 2 This is a schematic diagram of the hinge unfolding structure of this utility model.

[0017] Figure 3 This is a schematic diagram of the internal structure of the hinge shaft position of this utility model.

[0018] Figure 4 This is a schematic diagram of the second adjustment structure and the second hinge plate of this utility model.

[0019] Figure 5 This is a schematic diagram of the first adjustment structure and the first hinge piece of this utility model.

[0020] Figure 6 This is a schematic diagram of the structure of the adjusting insert and the first adjusting plate of this utility model. Figure 1 .

[0021] Figure 7 This is a schematic diagram of the structure of the adjusting insert and the first adjusting plate of this utility model. Figure 2 .

[0022] Figure 8 This is a schematic diagram of the structure of the first half and the second half of this utility model.

[0023] Figure 9 This is a schematic diagram of the positional arrangement of the adjusting insert and the first adjusting structure of this utility model.

[0024] The components include: hinge shaft 1, first hinge piece 2, first bushing 21, first cover 22, first sealing ring 23, first groove 24, annular groove 25, second hinge piece 3, second bushing 31, second cover 32, second sealing ring 33, second groove 34, first adjusting structure 4, first adjusting piece 41, first half piece 411, second half piece 412, first fixing screw 42, first adjusting screw 43, boss 44, first boss 45, first extension 451, second boss 46, second extension 461, adjusting insert 5, socket 51, second adjusting structure 6, second adjusting piece 61, second fixing screw 62, second adjusting screw 63, thrust bearing 7, self-lubricating bearing bushing 8, and height adjusting block 9. Detailed Implementation

[0025] The embodiments of this utility model will be described below with reference to the accompanying drawings and related examples. The embodiments of this utility model are not limited to the following examples, and this utility model relates to relevant necessary components in this technical field, which should be regarded as well-known technology in this technical field and can be known and mastered by those skilled in this technical field.

[0026] like Figures 1 to 9 As shown, an insert-type adjustable heavy-duty door hinge includes a hinge shaft 1, a first hinge piece 2 sleeved on the hinge shaft 1 and connected to the door leaf, and a second hinge piece 3 connected to the frame. The end face of the first hinge piece 2 facing the door leaf is provided with a first adjustment structure 4 connected by screws, and the end face of the second hinge piece 3 facing the frame is provided with a second adjustment structure 6 connected by screws. In the technical solution of the hinge of this utility model, the hinge includes a hinge shaft 1 and a first hinge piece 2 connected to the fan body and a second hinge piece 3 connected to the frame body. The first hinge piece 2 is provided with a first bushing 21 with a folded connection on its side, and the second hinge piece 3 is provided with a second bushing 31 with a folded connection on its side. The hinge shaft 1 passes through the first bushing 21 and the second bushing 31. After installation, the core part of the hinge is exposed and biased towards the fan body, which can adapt to a narrower frame than the conventional center-mounted hinge, thereby avoiding interference with the wall. Furthermore, in the above solution, the end face of the first hinge piece 2 facing the fan body is provided with a first adjustment structure 4 connected by screws, and the end face of the second hinge piece 3 facing the frame body is provided with a second adjustment structure 6 connected by screws. The first adjustment structure 4 and the second adjustment structure 6 together form an adjustment structure for adjusting the width of the distance between the fan body and the frame body. Specifically, the first adjustment structure 4 includes a first adjustment piece 41, a first fixing screw 42 and a first adjustment screw 43 passing through the thickness direction of the first hinge piece 2 and the first adjustment piece 41. At least one adjustment insert 5 is inserted between the first hinge piece 2 and the first adjustment piece 41. One end of the adjustment insert 5 is provided with a socket 51 that matches the shape of the first adjustment piece 41.

[0027] It should be noted that during use, the first adjusting screw 43 is turned to adjust the distance between the first hinge piece 2 and the first adjusting piece 41, thereby clamping and fixing them with the slot on the side of the fan body. The first adjusting piece 41 is then fixed to the fan body by turning the first fixing screw 42 at the through hole position of the first hinge piece 2. Furthermore, the first adjusting piece 41 has a protrusion 44 on its end face facing the first hinge piece 2, and the first hinge piece 2 has a first groove 24 that matches the shape of the protrusion 44 at the corresponding position. The cooperation between the protrusion 44 and the first groove 24 serves a positioning function. When the adjusting insert 5 is not used, the adjustable distance of the first adjusting structure 4 does not exceed the thickness of the protrusion 44. In one technical solution of adding the adjusting insert 5, the insertion port 51 of the adjusting insert 5 is inserted into the gap between the first adjusting piece 41 and the first hinge piece 2 along one end of the first hinge piece 2. The inner side of the adjusting insert 5 is aligned with the outer side of the protrusion 44. The thickness of a single adjusting insert 5 is 0.8 mm. When two adjusting inserts 5 are inserted, an adjustment distance of ±0.8 mm can be achieved.

[0028] The insertion port 51 of the adjusting insert 5 is inserted into the gap between the first adjusting piece 41 and the first hinge piece 2 along one end of the first hinge piece 2, and the inner side of the adjusting insert 5 is aligned with the outer side of the boss 44.

[0029] In the technical solution of the first adjusting piece 41, the first adjusting piece 41 can be an integrated adjusting piece or a separate adjusting piece. Compared with the integrated adjusting piece, the separate adjusting piece can achieve fine adjustment, and the adjusting pieces at different positions can be adjusted by multiple adjusting screws. The first adjusting piece 41 includes a first half piece 411 and a second half piece 412 formed by splicing. The first adjusting screw 43 and the first fixing screw 42 are respectively inserted in the thickness direction of the first hinge piece 2 towards the positions corresponding to the first half piece 411 and the second half piece 412.

[0030] Both the first half 411 and the second half 412 are P-shaped, and the boss 44 includes a first boss 45 disposed on the first half 411 and a second boss 46 disposed on the second half 412.

[0031] The first boss 45 has a first extension 451 extending toward the second boss 46, and the first boss 45 on the first extension 451 overlaps the outer edge of the second half 412. The second boss 46 has a second extension 461 extending toward the first boss 45, and the second boss 46 on the second extension 461 overlaps the outer edge of the first half piece 411.

[0032] In use, the first adjusting screw 43 is provided at both ends and the middle of the first hinge piece 2 along its length. The first adjusting screw 43 near the two ends of the first hinge piece 2 passes through the ends of the first half piece 411 and the second half piece 412, respectively. The first adjusting screw 43 at the middle of the first hinge piece passes through the middle of the first half piece 411. By turning the first adjusting screw 43 at both ends of the first hinge piece 2, the ends of the first half piece 411 and the second half piece 412 can be finely adjusted respectively. It should be noted that by turning the first adjusting screw 43 in the middle of the first hinge piece, the spacing between the first half piece 411, the second half piece 412 and the first hinge piece 2 can be adjusted synchronously by utilizing the overlapping relationship between the first extension 451, the second extension 461 and the first boss 45, the second boss 46.

[0033] In the hinge plate technical solution of this utility model, the first hinge plate 2 is provided with a first bushing 21 adapted to the hinge shaft 1, the end of the first bushing 21 is provided with a first cap 22, and a first sealing ring 23 is provided between the first cap 22 and the inner surface of the first bushing 21; further, the second hinge plate 3 is provided with a second bushing 31 adapted to the hinge shaft 1, the end of the second bushing 31 away from the first hinge plate 2 is provided with a second cap 32, the second cap 32 is provided with a second sealing ring 33 between the second cap 32 and the inner surface of the second bushing 31, and the other end of the second bushing 31 is provided with a thrust bearing 7.

[0034] Furthermore, in the above scheme, the inner surface of the first bushing 21 is provided with self-lubricating bearing bushings 8 near both ends, and the inner surface of the first bushing 21 is provided with an annular groove 25 to accommodate the self-lubricating bearing bushings 8.

[0035] It should be noted that the gap between the first cover 22 and the first bushing 21 is sealed and dustproofed by the first sealing ring 23, and the gap between the second cover 32 and the second bushing 31 is sealed and dustproofed by the second sealing ring 33. A planar thrust bearing 7 is provided between the first hinge piece 2 and the second hinge piece 3. During the load-bearing process, the rotation is quiet and without jamming. With the cooperation of the self-lubricating bearing bushing 8, the rotation is smooth and wear-resistant.

[0036] In the technical solution of the second hinge piece 3 of this utility model, the end face of the second hinge piece 3 facing the second adjusting piece 61 is provided with a second groove 34. The second adjusting structure 6 includes a second adjusting piece 61, a second fixing screw 62 and a second adjusting screw 63 passing through along the thickness direction of the second hinge piece 3 and the second adjusting piece 61. The second adjusting piece 61 has an arc-shaped part that arches towards the second groove 34.

[0037] It should be noted that in the connection structure of the frame and the second hinge piece 3, one side of the second hinge piece 3 is inserted into the mounting groove on the frame, the second adjusting screw 63 is screwed on to clamp the second adjusting piece 61 to the other side of the mounting groove on the frame, and the second fixing screw 62 is screwed on to fix the second adjusting piece 61 to the bottom of the mounting groove, thereby completing the connection and fixation between the second hinge piece 3 and the frame. During installation, an independent height adjustment block 9 is provided below the second hinge piece 3 in the mounting slot, which facilitates fine adjustment of the height error.

[0038] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A type of insert-type adjustable heavy-duty door hinge, characterized in that, It includes a hinge shaft (1), a first hinge piece (2) sleeved on the hinge shaft (1) and connected to the fan body, and a second hinge piece (3) connected to the frame body. The first hinge piece (2) has a first adjustment structure (4) connected by screws on the end face facing the fan body, and the second hinge piece (3) has a second adjustment structure (6) connected by screws on the end face facing the frame body. The first adjustment structure (4) includes a first adjustment piece (41), a first fixing screw (42) passing through the thickness direction of the first hinge piece (2) and the first adjustment piece (41), and a first adjustment screw (43). At least one adjustment insert (5) is inserted between the first hinge piece (2) and the first adjustment piece (41). One end of the adjustment insert (5) is provided with a socket (51) that matches the shape of the first adjustment piece (41).

2. The insert-type adjustable heavy-duty door hinge according to claim 1, characterized in that, The first hinge piece (2) is provided with a first bushing (21) adapted to the hinge shaft (1), and the end of the first bushing (21) is provided with a first cap (22), and a first sealing ring (23) is provided between the first cap (22) and the inner surface of the first bushing (21).

3. The insert-type adjustable heavy-duty door hinge according to claim 1, characterized in that, The second hinge piece (3) is provided with a second bushing (31) adapted to the hinge shaft (1). The second bushing (31) is provided with a second cover (32) at one end away from the first hinge piece (2). A second sealing ring (33) is provided between the second cover (32) and the inner surface of the second bushing (31). The other end of the second bushing (31) is provided with a thrust bearing (7).

4. The insert-type adjustable heavy-duty door hinge according to claim 2, characterized in that, The inner surface of the first bushing (21) is provided with self-lubricating bearing bushings (8) near both ends, and the inner surface of the first bushing (21) is provided with an annular groove (25) to accommodate the self-lubricating bearing bushings (8).

5. The insert-type adjustable heavy-duty door hinge according to claim 1, characterized in that, The first adjusting piece (41) has a boss (44) on the end face facing the first hinge piece (2), and the first hinge piece (2) has a first groove (24) that matches the shape of the boss (44) at the position corresponding to the boss (44).

6. The insert-type adjustable heavy-duty door hinge according to claim 5, characterized in that, The first adjusting piece (41) includes a first half piece (411) and a second half piece (412) formed by splicing. The first adjusting screw (43) and the first fixing screw (42) are respectively provided in the thickness direction of the first hinge piece (2) at the positions corresponding to the first half piece (411) and the second half piece (412).

7. The insert-type adjustable heavy-duty door hinge according to claim 6, characterized in that, The first half (411) and the second half (412) are both P-shaped, and the boss (44) includes a first boss (45) disposed on the first half (411) and a second boss (46) disposed on the second half (412).

8. The insert-type adjustable heavy-duty door hinge according to claim 7, characterized in that, The first boss (45) has a first extension (451) extending toward the second boss (46), and the first boss (45) on the first extension (451) overlaps the outer edge of the second half (412); The second boss (46) has a second extension (461) extending toward the first boss (45), and the second boss (46) on the second extension (461) overlaps the outer edge of the first half (411).

9. The insert-type adjustable heavy-duty door hinge according to claim 1, characterized in that, The second adjustment structure (6) includes a second adjustment piece (61), a second fixing screw (62) passing through the thickness direction of the second hinge piece (3) and the second adjustment piece (61), and a second adjustment screw (63). The second hinge piece (3) has a second groove (34) on its end face facing the second adjustment piece (61), and the second adjustment piece (61) has an arc-shaped portion that arches towards the second groove (34).

10. The insert-type adjustable heavy-duty door hinge according to claim 5, characterized in that, The insertion port (51) of the adjusting insert (5) is inserted into the gap between the first adjusting piece (41) and the first hinge piece (2) along one end of the first hinge piece (2), and the inner side of the adjusting insert (5) is aligned with the outer side of the boss (44).

Images