Inward-opening and inward-reversing 90-degree invisible hinge upper connecting piece

Abstract

The utility model discloses an upper connecting piece of an inward-opening and inward-reversing 90-degree invisible hinge. The upper connecting piece comprises a bottom piece, a rotating seat block and a stretching arm, a telescopic connecting rod is rotationally connected to one side of the surface of the bottom piece, and a first positioning block is hinged to the surface of the telescopic connecting rod; a positioning column is arranged on the surface of the rotating seat block and penetrates through the bottom piece; the positioning shaft on the surface of the rotating seat block slides in the positioning groove in the surface of the bottom piece, the tension bar is limited, stability is improved, when the rotating seat block rotates, stability is better, stress can be better achieved, larger weight can be borne, and meanwhile a window can be closed more closely and smoothly; a second positioning block on the surface of a telescopic plate can rotate on the surface of a stretching arm, the size of an inner chamfer angle of the telescopic plate is expanded to the maximum, the telescopic plate is more silent, smoother and durable in use, meanwhile, a fixed connecting block drives a telescopic rod to stretch out and draw back in a telescopic groove, and the fixed connecting block can be suitable for different lengths.

Description

Technical Field

[0001] The utility model relates to the technical field of hinges, in particular to an upper connecting piece of an inwardly opening and tilting 90 degrees invisible hinge. Background Art

[0002] Invisible hinges are devices used to connect window frames and window sashes to achieve window sash rotation and are widely used to fix windows. And because they are hidden in the window frame, the entire window looks beautiful without damaging the sealing strips, ensuring the integrity and sealing of the window sash, and are recognized in the market.

[0003] Most of the existing invisible hinges for window frames and window sashes are used to connect the window frame and the window sash, and can be hidden in the window, so that the window frame and the window sash do not appear to have obvious hinges or decorative connecting parts when they are closed; however, since most invisible hinges rotate mostly through the rotation between the base and the rotating plate, and since the base and the rotating plate are mostly fixed, the invisible hinge will become less stable after long-term use, resulting in uneven force, which can easily damage the invisible hinge. In addition, the traditional invisible hinge cannot bear a large weight, resulting in the window frame and the window sash not fitting smoothly. In view of this, we have introduced a 90-degree inward-opening and inward-tilting invisible hinge upper connector. Utility Model Content

[0004] The utility model aims to provide a 90-degree inward-opening and inward-tilting invisible hinge upper connecting piece to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an upper connecting piece of an inward-opening and inward-tilting 90-degree invisible hinge, comprising: a bottom piece, a rotating seat block and a stretching arm;

[0006] A telescopic connecting rod is rotatably connected to one side of the surface of the bottom piece, and a first positioning block is hingedly connected to the surface of the telescopic connecting rod;

[0007] The surface of the rotating seat block is provided with a positioning column, and the positioning column passes through the bottom piece, and the rotating seat block will rotate on the surface of the bottom piece. The surface of the rotating seat block is connected with a positioning shaft, and the surface of the bottom piece is provided with a positioning groove for sliding the positioning shaft. The positioning groove and the bottom piece are integrally formed. At the same time, the setting of the positioning groove can limit the movement of the rotating seat block. A tension rod is hinged on one side of the surface of the rotating seat block, and a pin is connected between the tension rod and the rotating seat block;

[0008] The stretching arm is hinged on the surface of the tension rod, and a pin is connected between the stretching arm and the tension rod, so that the stretching arm can rotate on the surface of the tension rod. A second positioning block is hinged on one side of the surface of the stretching arm, and a pin is connected between the second positioning block and the stretching arm. A telescopic plate is hinged on the surface of the second positioning block, and a telescopic groove is provided inside the telescopic plate, and the telescopic groove and the telescopic plate are integrally formed. A telescopic rod is slidably connected inside the telescopic groove, and the telescopic rod can slide inside the telescopic groove to change its length. One end of the telescopic rod is connected to a fixed connecting block, and the other end of the telescopic plate is connected to a guide rod, a locking plate is provided on one side of the guide rod, a locking hole is provided on one side of the locking plate, and the lock hole and the locking plate are integrally formed, and a movable clamping column is provided on the surface of the guide rod.

[0009] Preferably, a fixing screw hole is provided at a central position on the surface of the bottom piece, and the fixing screw hole and the bottom piece are integrally formed, and the bottom piece can be fixed by passing a screw through the fixing screw hole.

[0010] Preferably, the other end of the first positioning block is hinged on the surface of the stretching arm, and the first positioning block and the stretching arm are rotatably connected via a pin, so that the first positioning block can rotate on the surface of the stretching arm.

[0011] Preferably, a first fixing hole is formed at one end of the bottom piece, and a second fixing hole is formed at the other end of the bottom piece, and bolts are respectively passed through the first fixing hole and the second fixing hole to fix the bottom piece.

[0012] Preferably, a movable telescopic block is connected to the surface of the stretching arm, a movable groove is provided on the surface of the movable telescopic block, and the movable groove and the movable telescopic block are integrally formed.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the utility model drives the tension rod to move through the telescopic plate and the stretching arm, and the tension rod drives the rotating seat block through the pin shaft to rotate on the surface of the bottom piece with the positioning column, so that the positioning shaft on the surface of the rotating seat block slides in the positioning groove on the surface of the bottom piece, thereby limiting the movement of the tension rod and improving stability. When the rotating seat block rotates, it has better stability, can bear better force, and can also bear greater weight, and at the same time, it can make the window close more closely and smoothly;

[0014] The second positioning block on the surface of the telescopic plate will rotate on the surface of the stretching arm, which will drive the first positioning block and the telescopic connecting rod to rotate. At the same time, the stretching arm will also drive the tension rod to rotate on the surface of the bottom piece, so that the inner chamfer angle of the telescopic plate can be expanded to the maximum, and it is quieter, smoother and more durable when used. At the same time, by pulling the fixed connecting block, the fixed connecting block can drive the telescopic rod to extend and retract inside the telescopic groove, so that the fixed connecting block can be used for different lengths, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model from the first perspective;

[0016] Figure 2 It is a structural schematic diagram of the utility model from a second viewing angle.

[0017] In the figure: 1, bottom piece; 2, pin shaft; 3, positioning shaft; 4, first fixing hole; 5, tension rod; 6, positioning groove; 7, positioning column; 8, rotating seat block; 9, fixing screw hole; 10, telescopic connecting rod; 11, first positioning block; 12, stretching arm; 13, movable telescopic block; 14, movable groove; 15, second positioning block; 16, telescopic rod; 17, fixed connecting block; 18, telescopic plate; 19, telescopic groove; 20, guide rod; 21, locking plate; 22, locking hole; 23, movable clamping column; 24, second fixing hole. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-2 The utility model provides a technical solution: an inward opening and inward tilting 90-degree invisible hinge upper connecting piece, comprising: a bottom piece 1, a telescopic connecting rod 10 is rotatably connected to one side of the surface of the bottom piece 1, and a first positioning block 11 is hinged on the surface of the telescopic connecting rod 10;

[0020] A rotating seat block 8, a positioning column 7 is arranged on the surface of the rotating seat block 8, the positioning column 7 penetrates the bottom piece 1, the surface of the rotating seat block 8 is connected with a positioning shaft 3, the surface of the bottom piece 1 is provided with a positioning groove 6 for slidingly connecting the positioning shaft 3, a tension rod 5 is hinged on one side of the surface of the rotating seat block 8, and a pin 2 is connected between the tension rod 5 and the rotating seat block 8;

[0021] A stretching arm 12, wherein the stretching arm 12 is hinged on the surface of the tension rod 5, a second positioning block 15 is hinged on one side of the surface of the stretching arm 12, a telescopic plate 18 is hinged on the surface of the second positioning block 15, a telescopic groove 19 is provided inside the telescopic plate 18, a telescopic rod 16 is slidably connected inside the telescopic groove 19, one end of the telescopic rod 16 is connected to a fixed connecting block 17, the other end of the telescopic plate 18 is connected to a guide rod 20, a locking plate 21 is provided on one side of the guide rod 20, a locking hole 22 is provided on one side of the locking plate 21, and a movable clamping column 23 is provided on the surface of the guide rod 20.

[0022] A fixing screw hole 9 is provided at the center of the surface of the bottom piece 1 . The fixing screw hole 9 and the bottom piece 1 are integrally formed. The bottom piece 1 can be fixed by passing a screw through the fixing screw hole 9 .

[0023] The other end of the first positioning block 11 is hinged on the surface of the stretching arm 12 , and the first positioning block 11 and the stretching arm 12 are rotatably connected via a pin, so that the first positioning block 11 can rotate on the surface of the stretching arm 12 .

[0024] A first fixing hole 4 is formed at one end of the bottom member 1 , and a second fixing hole 24 is formed at the other end of the bottom member 1 . Bolts are passed through the first fixing hole 4 and the second fixing hole 24 respectively, so that the bolts fix the bottom member 1 .

[0025] A movable telescopic block 13 is connected to the surface of the stretching arm 12 . A movable groove 14 is formed on the surface of the movable telescopic block 13 . The movable groove 14 and the movable telescopic block 13 are integrally formed.

[0026] Specifically, when in use, the telescopic plate 18 and the stretching arm 12 are pushed, and the tension rod 5 is driven to move through the telescopic plate 18 and the stretching arm 12. When the tension rod 5 moves, the tension rod 5 drives the rotating seat block 8 through the pin shaft 2 to rotate on the surface of the bottom member 1 with the positioning column 7, and at the same time, the second positioning block 15 will rotate on the surface of the stretching arm 12, and the stretching arm 12 will rotate on the surface of the telescopic connecting rod 10 and the surface of the tension rod 5 through the first positioning block 11, so that the positioning shaft 3 on the surface of the rotating seat block 8 will slide in the positioning groove 6 on the surface of the bottom member 1, thereby limiting the movement of the tension rod 5 and improving stability. When the rotating seat block 8 rotates, it has better stability, can bear better force, and can withstand greater weight, and at the same time, it can make the window close more closely and smoothly;

[0027] By stretching the telescopic plate 18 outward, the second positioning block 15 on the surface of the telescopic plate 18 will rotate on the surface of the stretching arm 12. When the stretching arm 12 rotates, the first positioning block 11 and the telescopic connecting rod 10 will be driven to rotate. At the same time, the stretching arm 12 will also drive the tension rod 5 to rotate on the surface of the bottom member 1, so that the inner chamfer angle of the telescopic plate 18 can be expanded to the maximum, and it is quieter, smoother and more durable when used. At the same time, by pulling the fixed connecting block 17, the fixed connecting block 17 can drive the telescopic rod 16 to be telescoped inside the telescopic groove 19, so that the fixed connecting block 17 can be used for different lengths, which is more convenient to use.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art 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 appended claims and their equivalents.

Claims

1. A 90-degree inward-opening and inward-tilting invisible hinge upper connector, characterized in that: include: A bottom member (1), one side of the surface of the bottom member (1) being rotatably connected to a telescopic connecting rod (10), and a first positioning block (11) being hingedly connected to the surface of the telescopic connecting rod (10); A rotating seat block (8), wherein a positioning column (7) is arranged on the surface of the rotating seat block (8), wherein the positioning column (7) penetrates the bottom member (1), wherein the surface of the rotating seat block (8) is connected to a positioning shaft (3), wherein the surface of the bottom member (1) is provided with a positioning groove (6) for slidingly connecting the positioning shaft (3), wherein a tension rod (5) is hingedly connected to one side of the surface of the rotating seat block (8), wherein a pin shaft (2) is connected between the tension rod (5) and the rotating seat block (8); A stretching arm (12), wherein the stretching arm (12) is hinged on the surface of the tension rod (5), a second positioning block (15) is hinged on one side of the surface of the stretching arm (12), a telescopic plate (18) is hinged on the surface of the second positioning block (15), a telescopic groove (19) is provided inside the telescopic plate (18), a telescopic rod (16) is slidably connected inside the telescopic groove (19), one end of the telescopic rod (16) is connected to a fixed connecting block (17), the other end of the telescopic plate (18) is connected to a guide rod (20), a locking plate (21) is provided on one side of the guide rod (20), a locking hole (22) is provided on one side of the locking plate (21), and a movable clamping column (23) is provided on the surface of the guide rod (20).

2. The upper connector of the inward opening and tilting 90 degree invisible hinge according to claim 1, characterized in that: A fixing screw hole (9) is provided at a central position on the surface of the bottom piece (1).

3. The upper connector of the inward opening and tilting 90 degree invisible hinge according to claim 1, characterized in that: The other end of the first positioning block (11) is hinged to the surface of the stretching arm (12).

4. The upper connector of the inward opening and tilting 90 degree invisible hinge according to claim 1, characterized in that: A first fixing hole (4) is provided at one end of the bottom piece (1), and a second fixing hole (24) is provided at the other end of the bottom piece (1).

5. The upper connector of the inward opening and tilting 90 degree invisible hinge according to claim 1, characterized in that: The surface of the stretching arm (12) is connected to a movable telescopic block (13), and the surface of the movable telescopic block (13) is provided with a movable groove (14).

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