Adjustable invisible hinge

Abstract

The utility model discloses an adjustable invisible hinge, which belongs to the field of hinges and comprises a mandrel, a leaf hinge and a frame hinge are rotatably mounted on the mandrel, the frame hinge consists of a mounting frame and two second sleeves, a U-shaped frame is fixedly mounted on the outer walls of the two second sleeves, an adjusting limit part is mounted on each second sleeve, and the leaf hinge and the frame hinge are mounted on the mounting frame. The adjusting and limiting piece is composed of a base ring and a threaded barrel, the threaded barrel is fixedly installed at one end of the base ring, a fixing piece is installed on the U-shaped frame and composed of a base plate, two inserting rods and a screw rod, the inserting rods are movably installed on the base plate, and the height of the sash hinge on the core shaft can be adjusted by rotating the adjusting and limiting piece, so that when a window sash droops, the sash hinge can be fixed on the core shaft. The height of the sash hinge on the core shaft can be increased by rotating the adjusting limiting piece, then the height of the window sash is increased by increasing the height of the sash hinge on the core shaft, and finally the drooped window sash can be normally opened and closed without generating a large gap with a window frame.

Description

Technical Field

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

[0002] Hinges are also called hinges. Invisible hinges refer to hinges that can be hidden in door frames or window frames during home decoration, thereby avoiding the impact of ordinary hinges on the appearance of doors and windows. In the existing patent application with application number CN201922382390.4, invisible hinges for aluminum alloy doors and windows are proposed. Some heavier window sashes will sag due to gravity after being opened for a long time, and the sash hinges of the invisible hinges cannot be adjusted in height according to the sagging of the window sash, that is, the height of the window sash cannot be increased by adjusting the height of the sash hinges, which will cause the sagging window sash to have a larger gap with the window frame after closing. In more serious cases, the window sash may not be able to be closed. Therefore, an adjustable invisible hinge is needed to solve the above problem. Utility Model Content

[0003] The main purpose of the utility model is to provide an adjustable invisible hinge, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] An adjustable invisible hinge comprises a core shaft, on which a fan hinge and a frame hinge are rotatably mounted, the frame hinge consists of a mounting frame and two second sleeves, a U-shaped frame is fixedly mounted on the outer walls of the two second sleeves, an adjustment limit piece is respectively mounted on the two second sleeves, the adjustment limit piece consists of a base ring and a threaded barrel, the threaded barrel is fixedly mounted on one end of the base ring, a fixing piece is mounted on the U-shaped frame, the fixing piece consists of a base plate, an insertion rod and a screw, there are two insertion rods that are movably mounted on the base plate, and the screw is rotatably mounted on the base plate.

[0006] Preferably, the core shaft is composed of a shaft body and a baffle, and there are two baffles which are respectively fixedly mounted on the upper and lower ends of the shaft body.

[0007] Preferably, the second sleeve on the frame hinge is fixedly mounted on one end of the mounting frame, the second sleeve is rotatably mounted on the shaft body, and a threaded groove is provided at the inner end of the second sleeve.

[0008] Preferably, the fan hinge consists of a first sleeve and a mounting fan, the first sleeve is fixedly mounted on one end of the mounting fan, the first sleeve is rotatably mounted on a shaft body, two ball bearings are sleeved on the shaft body and on the upper and lower sides of the first sleeve, and the first sleeve is simultaneously located between the two second sleeves.

[0009] Preferably, the adjustment limit member is also movably sleeved on the shaft body, the threaded barrel is installed in the threaded groove, the base ring is located between the second sleeve and the ball bearing, and a blind hole is opened on the outer wall of the base ring.

[0010] Preferably, a threaded hole is provided on the U-shaped frame, the base plate on the fixing part is located on the inner side of the U-shaped frame, a guide rail groove and a mounting groove are provided on the base plate, there are two guide rail grooves and they are respectively located on the upper and lower sides of the mounting groove, the screw rod is rotatably installed in the mounting groove, and the screw rod is simultaneously installed in the threaded hole, the insertion rod is slidably installed in the guide rail groove up and down, and the insertion rod can be inserted in the blind hole at the same time.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] By arranging an adjusting limit piece on the second sleeve of the frame hinge, the height of the sash hinge on the core shaft can be adjusted by rotating the adjusting limit piece, so that when the window sash droops, the height of the sash hinge on the core shaft can be raised by rotating the adjusting limit piece, and then the height of the window sash can be raised by raising the height of the sash hinge on the core shaft, finally making it possible for the drooping window sash to be opened and closed normally without creating a large gap with the window frame; by arranging a U-shaped frame and a fixing piece so that they cooperate with each other, the adjusting limit piece can be fixed, thereby preventing the adjusting limit piece from rotating together with the sash hinge and the ball bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the mandrel, frame hinge and ball bearing of the utility model;

[0015] Figure 3 It is a schematic diagram of the structure of the utility model after the adjustment limiter and the frame hinge are separated;

[0016] Figure 4 This is a disassembled diagram of the fixing member of the utility model.

[0017] In the figure: 1. core shaft; 2. fan hinge; 3. frame hinge; 4. ball bearing; 5. U-shaped frame; 6. adjustment limiter; 7. fixing member; 8. shaft body; 9. baffle; 10. first sleeve; 11. mounting fan; 12. second sleeve; 13. mounting frame; 14. threaded groove; 15. threaded hole; 16. base ring; 17. threaded barrel; 18. blind hole; 19. base plate; 20. guide groove; 21. mounting groove; 22. plug rod; 24. screw. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, an adjustable invisible hinge includes a core shaft 1, on which a fan hinge 2 and a frame hinge 3 are rotatably mounted, the frame hinge 3 is composed of a mounting frame 13 and two second sleeves 12, the core shaft 1 is composed of a shaft body 8 and a baffle 9, there are two baffles 9 and they are respectively fixedly mounted on the upper and lower ends of the shaft body 8, the second sleeve 12 on the frame hinge 3 is fixedly mounted on one end of the mounting frame 13, the second sleeve 12 is rotatably mounted on the shaft body 8, and a threaded groove 14 is provided at the inner end of the second sleeve 12, the fan hinge 2 is composed of a first sleeve 10 and a mounting fan 11, the first sleeve 10 is fixedly mounted on one end of the mounting fan 11, the first sleeve 10 is rotatably mounted on the shaft body 8, two ball bearings 4 are sleeved on the shaft body 8 and on the upper and lower sides of the first sleeve 10, and the first sleeve 10 is located between the two second sleeves 12 at the same time.

[0020] See also Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, a U-shaped frame 5 is fixedly installed on the outer wall of the two second sleeves 12, and an adjusting limit piece 6 is respectively installed on the two second sleeves 12. The adjusting limit piece 6 consists of a base ring 16 and a threaded tube 17. The threaded tube 17 is fixedly installed at one end of the base ring 16. A fixing piece 7 is installed on the U-shaped frame 5. The fixing piece 7 consists of a base plate 19, an insert rod 22 and a screw 24. There are two insert rods 22 and they are movably installed on the base plate 19. The screw 24 is rotatably installed on the base plate 19. The adjusting limit piece 6 is also movably sleeved on the shaft body 8. The threaded tube 17 is installed in the threaded groove 14. The base ring 16 is located between the second sleeve 12 and the ball bearing 4. A blind hole 18 is opened on the outer wall of the base ring 16. A threaded hole 15 is opened on the U-shaped frame 5. The base plate 19 on the fixing piece 7 is located on the inner side of the U-shaped frame 5. The base plate 19 is provided with a guide groove 20 and an installation groove 21. The guide groove 20 has two and They are respectively located at the upper and lower sides of the mounting groove 21, the screw rod 24 is rotatably installed in the mounting groove 21, and the screw rod 24 is simultaneously installed in the threaded hole 15, the insertion rod 22 is slidably installed in the guide groove 20 up and down, and the insertion rod 22 can be inserted in the blind hole 18 at the same time, by arranging an adjustment limiter 6 on the second sleeve 12 of the frame hinge 3, the height of the fan hinge 2 on the core shaft 1 can be adjusted by rotating the adjustment limiter 6, so that when the window sash droops, the height of the fan hinge 2 on the core shaft 1 can be raised by rotating the adjustment limiter 6, and then the height of the window sash can be raised by raising the height of the fan hinge 2 on the core shaft 1, so that the drooping window sash can be opened and closed normally, and no large gap will be generated with the window frame, and by arranging the U-shaped frame 5 and the fixing member 7 so that they cooperate with each other, the adjustment limiter 6 can be fixed, thereby preventing the adjustment limiter 6 from rotating with the fan hinge 2 and the ball bearing 4.

[0021] It should be noted that the utility model is an adjustable invisible hinge. When in use, firstly, screws are used to fix the mounting frame 13 on the frame hinge 3 to the window frame, and bolts are used to fix the mounting fan 11 on the fan hinge 2 to the window sash. When the window sash is opened and closed, the window sash and the fan hinge 2 will rotate around the shaft 8. When the window sash droops, the height of the fan hinge 2 on the shaft 8 can be adjusted to raise the height of the window sash, thereby preventing the drooping window sash from being unable to open and close normally. The method is to first rotate the screw 24 on the fixing member 7 so that The screw 24 moves the base plate 19 and the insertion rod 22 outward, thereby moving the insertion rod 22 out of the blind hole 18. At this time, the fixation of the adjustment limit member 6 is released, and then a tool can be used to insert it into the blind hole 18, so that the adjustment limit member 6 can be rotated by the tool, thereby moving the adjustment limit member 6 upward. At this time, the door hinge 2 will be lifted upward, and finally the door hinge 2 will move up with the window sash. When the height of the window sash is appropriate, stop rotating the adjustment limit member 6, and finally rotate the screw 24 on the fixing member 7 to reinsert the insertion rod 22 into the blind hole 18.

[0022] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the aforementioned embodiments, it is still possible for a person skilled in the art to modify the technical solutions described in the aforementioned embodiments or to replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model. The protection scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. An adjustable invisible hinge, comprising a core shaft (1), on which a fan hinge (2) and a frame hinge (3) are rotatably mounted, wherein the frame hinge (3) is composed of a mounting frame (13) and two second sleeves (12), characterized in that: A U-shaped frame (5) is fixedly mounted on the outer wall of the two second sleeves (12); an adjusting limiter (6) is respectively mounted on the two second sleeves (12); the adjusting limiter (6) is composed of a base ring (16) and a threaded tube (17); the threaded tube (17) is fixedly mounted on one end of the base ring (16); a fixing member (7) is mounted on the U-shaped frame (5); the fixing member (7) is composed of a base plate (19), an insert rod (22) and a screw rod (24); there are two insert rods (22) which are movably mounted on the base plate (19); and the screw rod (24) is rotatably mounted on the base plate (19).

2. The adjustable invisible hinge according to claim 1, characterized in that: The core shaft (1) is composed of a shaft body (8) and a baffle (9), and there are two baffles (9) which are respectively fixedly mounted on the upper and lower ends of the shaft body (8).

3. The adjustable invisible hinge according to claim 2, characterized in that: The second sleeve (12) on the frame hinge (3) is fixedly mounted on one end of the mounting frame (13), the second sleeve (12) is rotatably mounted on the shaft (8), and a threaded groove (14) is provided at the inner end of the second sleeve (12).

4. The adjustable invisible hinge according to claim 3, characterized in that: The fan hinge (2) is composed of a first sleeve (10) and a mounting fan (11), wherein the first sleeve (10) is fixedly mounted on one end of the mounting fan (11), and the first sleeve (10) is rotatably mounted on a shaft (8), and two ball bearings (4) are sleeved on the shaft (8) and on the upper and lower sides of the first sleeve (10), and the first sleeve (10) is simultaneously located between two second sleeves (12).

5. The adjustable invisible hinge according to claim 4, characterized in that: The adjusting limit member (6) is also movably sleeved on the shaft body (8), the threaded cylinder (17) is installed in the threaded groove (14), the base ring (16) is located between the second sleeve (12) and the ball bearing (4), and a blind hole (18) is opened on the outer wall of the base ring (16).

6. The adjustable invisible hinge according to claim 5, characterized in that: The U-shaped frame (5) is provided with a threaded hole (15), the base plate (19) on the fixing member (7) is located on the inner side of the U-shaped frame (5), the base plate (19) is provided with a guide rail groove (20) and a mounting groove (21), the guide rail groove (20) has two and is located at the upper and lower sides of the mounting groove (21), the screw rod (24) is rotatably installed in the mounting groove (21), and the screw rod (24) is simultaneously installed in the threaded hole (15), the insertion rod (22) is slidably installed in the guide rail groove (20), and the insertion rod (22) can be inserted into the blind hole (18) at the same time.

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