CN219365739U

CN219365739U - Hidden hinge

Info

Publication number: CN219365739U
Application number: CN202320078723.8U
Authority: CN
Inventors: 伍彬成; 伍信贞
Original assignee: Guangdong Yishida Hardware Precision Manufacturing Co ltd
Current assignee: Guangdong Yishida Hardware Precision Manufacturing Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-07-18
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a hidden hinge which comprises a shell and a rotating mechanism. The shell is box-shaped and is used for being embedded in a bridge-cut-off aluminum door frame, two bosses are arranged in the inner cavity of the shell, and the inner cavity is divided into a first groove, a second groove and a third groove in sequence by the two bosses; the rotating mechanism comprises a hydraulic shaft, a leaf plate and a connecting plate, wherein two ends of the hydraulic shaft are installed in the second groove, the leaf plate is used for being connected with a bridge-cut-off aluminum door leaf, the leaf plate is provided with two swing arm parts, the two swing arm parts are respectively connected with the side walls of the first groove and the third groove in a rotating mode, one side of the connecting plate is hinged with the leaf plate, and the other side of the connecting plate is hinged with the side face of the hydraulic shaft. The hidden hinge can be used for broken bridge aluminum doors and windows, is embedded in a door frame of a door leaf, does not need to damage a door and window sealing strip, ensures the tightness of the door, does not expose the door leaf after being closed, reduces the influence of outdoor air temperature on the running speed of the door leaf, and has more stable hydraulic buffering closing speed.

Description

Hidden hinge

Technical Field

The utility model relates to the field of door control hardware, in particular to a hidden hinge.

Background

The bridge cut-off aluminum product door and window uses in the present market to become more and more popular, and the hinge that uses is external generally, and the hinge main part exposes outside door frame and door leaf, in the in-service use, because the door and window sealing strip of hinge main part exposure hinge mounted position just can install after deleting and cutting, appear that door and window sealing performance reduces, because the main part that exposes of hinge is unanimous with the direction of opening the door, if the hinge that opens the door receives outdoor temperature influence change great outward, use has hydraulic buffer function hinge, and it is fast just to appear that summer temperature is high to close the speed, and winter temperature is low to close the speed too slow.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the hidden hinge provided by the utility model can be used for a broken bridge aluminum door and window, is embedded in a door frame of a door leaf, does not need to damage a door and window sealing strip, ensures the sealing property of the door, does not expose the door leaf after the door leaf is closed, reduces the influence of outdoor air temperature on the running speed of the door leaf, and has more stable hydraulic buffering closing speed.

The technical scheme adopted for solving the technical problems is as follows:

a hidden hinge comprises

The shell is box-shaped and is used for being embedded in the bridge-cut-off aluminum door frame, the inner cavity of the shell is provided with two bosses, and the two bosses divide the inner cavity into a first groove, a second groove and a third groove in sequence;

the rotating mechanism comprises a hydraulic shaft, a leaf plate and a connecting plate, wherein two ends of the hydraulic shaft are installed in the second groove, the leaf plate is used for being connected with a bridge-cut-off aluminum door leaf, the leaf plate is provided with two swing arm parts, the two swing arm parts are respectively connected with the side walls of the first groove and the third groove in a rotating mode, one side of the connecting plate is hinged with the leaf plate, and the other side of the connecting plate is hinged with the side face of the hydraulic shaft.

The hidden hinge provided by the embodiment of the utility model has at least the following beneficial effects: when the hinge is used, the broken bridge aluminum door frame is connected with the door leaf through the hidden hinge, a user is grooved on the broken bridge aluminum door frame, the shell is embedded into the broken bridge aluminum door frame with the notched opening, the sheet plate is used for being connected with the broken bridge aluminum door leaf, when the door is opened and closed, the door leaf rotates around the first groove and the third groove through the swing arm part of the sheet plate, meanwhile, the sheet plate drives the hydraulic shaft to rotate through the connecting plate, the hydraulic shaft plays a buffering role, the shell is hidden on the broken bridge aluminum door frame, the door and window sealing strip is not required to be damaged, the sealing performance of the door is guaranteed, the hydraulic shaft is arranged in the shell, the influence of the outdoor air temperature on the operation speed of the door leaf is not reduced after the door leaf is closed, and the hydraulic buffering closing speed of the hinge is more stable.

According to some embodiments of the utility model, the hydraulic shaft comprises a main body, an output end rotatably connected with the main body, and a mounting end synchronously rotated with the main body, wherein the output end is fixedly connected with the boss on one side, and the mounting end is rotatably connected with the boss on the other side.

According to some embodiments of the utility model, the boss is provided with an end hole for accommodating the output end or the mounting end, the boss comprises a base fixed with the inner cavity and a top seat connected with the base, the base is provided with a lower groove, the top seat is provided with an upper groove, the lower groove and the upper groove form the end hole, and the base and the top seat are connected through bolts.

According to some embodiments of the utility model, the rotating mechanism further comprises a connection plate, the connection plate is T-shaped, a threaded hole is formed in the top surface of the connection plate, the sheet plate is provided with an adjusting hole matched with the threaded hole, and a mounting hole matched with the broken bridge aluminum door leaf is formed in the side surface of the connection plate.

According to some embodiments of the utility model, the side of the connection plate is provided with a notch adapted to the broken bridge aluminum door leaf.

According to some embodiments of the utility model, wing parts are arranged at two ends of the top edge of the shell, and mounting holes matched with the broken bridge aluminum door frame are arranged on the wing parts.

According to some embodiments of the utility model, the first groove and the third groove are provided with first side holes on two sides, the swing arm part is provided with a first through hole matched with the first side hole, and the first side hole is connected with the first through hole through a first column shaft.

According to some embodiments of the utility model, a first protruding transmission part is arranged in the middle of the sheet plate, a first bayonet matched with the first transmission part is arranged on one side of the connecting plate, a second through hole penetrating through the transmission part in the length direction is arranged on the transmission part, second side holes matched with the second through hole are arranged on two sides of the first bayonet, and the second through hole and the second side hole are connected through a second shaft.

According to some embodiments of the utility model, protruding lugs are arranged at two ends of the side face of the hydraulic shaft, a third through hole penetrating through the length direction is arranged at the other side of the connecting plate, a third side hole matched with the third through hole is arranged on the lugs, and the third through hole and the third side hole are connected through a third column shaft.

According to some embodiments of the utility model, a convex second transmission part is arranged on the side surface of the hydraulic shaft, a second bayonet matched with the second transmission part is arranged on the other side of the connecting plate, a third through hole penetrating through the second transmission part in the length direction is arranged on the second transmission part, a third side hole matched with the third through hole is arranged on two sides of the second bayonet, and the third through hole and the third side hole are connected through a third column shaft.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic illustration of an installation of an embodiment of the present utility model;

FIG. 2 is a perspective view of the hidden hinge shown in FIG. 1;

FIG. 3 is an exploded view of the hidden hinge shown in FIG. 2;

FIG. 4 is a schematic view of the hydraulic shaft of FIG. 3;

FIG. 5 is a schematic view of the housing of FIG. 2;

fig. 6 is a schematic view of another embodiment of a connection plate and hydraulic shaft.

Reference numerals: the casing 100, the bridge-cut aluminum door frame 110, the boss 120, the first slot 130, the second slot 140, the third slot 150, the hydraulic shaft 160, the leaf plate 170, the connection plate 180, the bridge-cut aluminum door leaf 190, the swing arm 200, the main body 210, the output end 220, the mounting end 230, the end hole 240, the base 250, the top seat 260, the lower slot 270, the upper slot 280, the connection plate 290, the threaded hole 300, the adjustment hole 310, the mounting hole 320, the notch 330, the wing 340, the first side hole 350, the first through hole 360, the first post 370, the first transmission 380, the first bayonet 390, the second through hole 400, the second side hole 410, the second post 420, the lug 430, the third through hole 440, the third side hole 450, the third post 460, the second transmission 470, the second bayonet 480.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

A hidden hinge is described in detail below with reference to fig. 1-6 in one particular embodiment. It is to be understood that the following description is exemplary only and is not intended to limit the utility model in any way.

As shown in fig. 1-3, a hidden hinge includes a housing 100 and a rotating mechanism.

Wherein, the outer casing 100 is box-shaped and is used for being embedded in the bridge-cut-off aluminum door frame 110, two bosses 120 are arranged in the length direction of the inner cavity of the outer casing 100, and the inner cavity is divided into a first groove 130, a second groove 140 and a third groove 150 by the two bosses 120 in sequence; the rotating mechanism comprises a hydraulic shaft 160, a leaf plate 170 and a connecting plate 180, wherein two ends of the hydraulic shaft 160 are arranged in the second groove 140, the leaf plate 170 is used for being connected with a broken bridge aluminum door leaf 190, the leaf plate 170 is provided with two swing arm parts 200, the two swing arm parts 200 are respectively connected with the side walls of the first groove 130 and the third groove 150 in a rotating mode, one side of the connecting plate 180 is hinged with the leaf plate 170, and the other side of the connecting plate 180 is hinged with the side face of the hydraulic shaft 160.

When the hinge is used, the broken bridge aluminum door frame is connected with the door leaf through the hidden hinge, a user is grooved on the broken bridge aluminum door frame 110, the shell 100 is embedded into the broken bridge aluminum door frame 110 with the notched opening 330, the blade plate 170 is used for being connected with the broken bridge aluminum door leaf 190, when the door is opened and closed, the door leaf rotates around the first groove 130 and the third groove 150 through the swing arm part 200 of the blade plate 170, meanwhile, the blade plate 170 drives the hydraulic shaft 160 to rotate through the connecting plate 180, the hydraulic shaft 160 plays a buffering role, the sealing strip of the door and the window is not required to be damaged because the shell 100 is hidden on the broken bridge aluminum door frame 110, the tightness of the door is ensured, the hydraulic shaft 160 is arranged in the shell 100, the influence of the outdoor air temperature on the operation speed is not exposed after the door leaf is closed, and the hydraulic buffering closing speed of the hinge is more stable.

Specifically, as shown in fig. 3 and 4, the hydraulic shaft 160 includes a main body 210, an output end 220 rotatably connected to the main body 210, and a mounting end 230 rotatably connected to the main body 210, wherein the output end 220 is fixedly connected to the one-side boss 120, and the mounting end 230 is rotatably connected to the other-side boss 120. When the connecting plate 180 is arranged to drive the main body 210 of the hydraulic shaft 160 to rotate, the output end 220 is fixed with the boss 120 on one side, the mounting end 230 and the main body 210 of the hydraulic shaft 160 synchronously rotate around the boss 120 on the other side, and are buffered by the hydraulic buffer mechanism inside the hydraulic shaft 160, the internal structure of the hydraulic shaft 160 is shown in fig. 3, and the structure of the hydraulic shaft 160 is the prior art and is not described herein.

In addition, as shown in fig. 5, the boss 120 is provided with an end hole 240 for receiving the output end 220 or the mounting end 230, the boss 120 includes a base 250 fixed to the inner cavity, a top seat 260 coupled to the base 250, the base 250 is provided with a lower groove 270, the top seat 260 is provided with an upper groove 280, the lower groove 270 and the upper groove 280 form the end hole 240, and the base 250 and the top seat 260 are coupled by bolts. The boss 120 is formed in a split manner, and the base 250 and the top seat 260 are mounted and connected by bolts, which is advantageous for mounting and dismounting the hydraulic shaft 160.

Moreover, as shown in fig. 2, the rotating mechanism further comprises a connection plate 290, the connection plate 290 is in a T shape, a threaded hole 300 is formed in the top surface of the connection plate 290, an adjusting hole 310 matched with the threaded hole 300 is formed in the sheet plate 170, and a mounting hole 320 matched with the broken bridge aluminum door leaf 190 is formed in the side surface of the connection plate 290. The provision of the docking plate 290 facilitates the installation of the leaf plate 170 to the aluminum door leaf 190 and adjusts the relative position with the aluminum door leaf 190 through the adjustment holes 310 to achieve an optimal installation position.

Further, the side of the connection plate 290 is provided with a notch 330 adapted to the broken aluminum door leaf 190. By providing the slot 330 on the side of the connection plate 290, the connection plate 290 is facilitated to be mounted in cooperation with the broken bridge aluminum door leaf 190.

In some embodiments of the present utility model, as shown in fig. 2, wing portions 340 are provided at both ends of the top edge of the housing 100, and mounting holes 320 for mating with the bridge-cut aluminum door frame 110 are provided on the wing portions 340. The installation hole 320 of the wing 340 is matched with the broken bridge aluminum door frame 110, so that the shell 100 is fixed on the broken bridge aluminum door frame 110.

As shown in fig. 3 and 5, the first side hole 350 is provided on both sides of the first groove 130 and the third groove 150, and the swing arm 200 is provided with a first through hole 360 that mates with the first side hole 350, and the first side hole 350 is connected to the first through hole 360 through a first column shaft 370. The swing arm 200 adopts the first side hole 350 to be connected with the first through hole 360 through the first column shaft 370, thereby being beneficial to installation and disassembly and convenient for maintenance.

As shown in fig. 2 and 3, a first protruding transmission part 380 is provided in the middle of the sheet 170, a first bayonet 390 matching with the first transmission part 380 is provided on one side of the connecting plate 180, a second through hole 400 penetrating the length direction is provided on the transmission part, a second side hole 410 matching with the second through hole 400 is provided on both sides of the first bayonet 390, and the second through hole 400 and the second side hole 410 are connected through a second post 420. The first transmission part 380 of the leaf plate 170 is connected with the connecting plate 180 through the second through hole 400 and the second side hole 410 by the second shaft 420, which is beneficial to installation and disassembly and convenient for maintenance.

Correspondingly, protruding lugs 430 are arranged at two ends of the side face of the hydraulic shaft 160, a third through hole 440 penetrating through the length direction is arranged at the other side of the connecting plate 180, a third side hole 450 matched with the third through hole 440 is arranged on the lugs 430, and the third through hole 440 and the third side hole 450 are connected through a third column shaft 460. The hydraulic shaft 160 is provided with the lugs 430 and the connecting plate 180, and is connected with the connecting plate 180 through the third through holes 440 and the third side holes 450 by the third column shaft 460, so that the hydraulic shaft is convenient to install and disassemble and convenient to maintain.

In another embodiment of the present utility model, as shown in fig. 6, a protruding second transmission part 470 is provided at a side of the hydraulic shaft 160, a second bayonet 480 is provided at the other side of the connection plate 180 to be engaged with the second transmission part 470, a third through hole 440 is provided at the second transmission part 470 to penetrate the length direction, a third side hole 450 is provided at both sides of the second bayonet 480 to be engaged with the third through hole 440, and the third through hole 440 and the third side hole 450 are connected through the third column shaft 460. The second transmission part 470 with the convex side surface of the hydraulic shaft 160 is connected with the connecting plate 180 through the third through hole 440 and the third side hole 450 by the third column shaft 460, which is beneficial to installation and disassembly and convenient for maintenance.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A hidden hinge, comprising:

the shell (100) is box-shaped and is used for being embedded in the broken bridge aluminum door frame (110), two bosses (120) are arranged in the inner cavity of the shell (100), and the inner cavity is divided into a first groove (130), a second groove (140) and a third groove (150) by the two bosses (120) in sequence;

the rotating mechanism comprises a hydraulic shaft (160), a sheet plate (170) and a connecting plate (180), wherein two ends of the hydraulic shaft (160) are installed in the second groove (140), the sheet plate (170) is used for being connected with a broken bridge aluminum door leaf (190), the sheet plate (170) is provided with two swing arm parts (200), the two swing arm parts (200) are respectively connected with the side walls of the first groove (130) and the third groove (150) in a rotating mode, one side of the connecting plate (180) is hinged to the sheet plate (170), and the other side of the connecting plate is hinged to the side face of the hydraulic shaft (160).

2. The concealed hinge according to claim 1, wherein the hydraulic shaft (160) comprises a main body (210), an output end (220) rotatably connected to the main body (210), and a mounting end (230) rotatable synchronously with the main body (210), the output end (220) is fixedly connected to the boss (120) on one side, and the mounting end (230) is rotatably connected to the boss (120) on the other side.

3. The hidden hinge according to claim 2, wherein the boss (120) is provided with an end hole (240) for accommodating the output end (220) or the mounting end (230), the boss (120) comprises a base (250) fixed with the inner cavity, a top seat (260) connected with the base (250), the base (250) is provided with a lower groove (270), the top seat (260) is provided with an upper groove (280), the lower groove (270) and the upper groove (280) form the end hole (240), and the base (250) and the top seat (260) are connected through bolts.

4. The hidden hinge according to claim 1, wherein the rotating mechanism further comprises a connection plate (290), the connection plate (290) is T-shaped, a threaded hole (300) is formed in the top surface of the connection plate (290), an adjusting hole (310) matched with the threaded hole (300) is formed in the leaf plate (170), and a mounting hole (320) matched with the broken bridge aluminum door leaf (190) is formed in the side surface of the connection plate (290).

5. The hidden hinge of claim 4, wherein the side of the connection plate (290) is provided with a notch (330) adapted to the broken aluminum door leaf (190).

6. The hidden hinge according to claim 1, wherein wing portions (340) are provided at two ends of the top edge of the housing (100), and mounting holes (320) matched with the broken bridge aluminum door frame (110) are provided on the wing portions (340).

7. The hidden hinge according to claim 1, wherein the first slot (130) and the third slot (150) are provided with first side holes (350) on both sides, the swing arm portion (200) is provided with first through holes (360) matching with the first side holes (350), and the first side holes (350) are connected with the first through holes (360) through first column shafts (370).

8. The hidden hinge according to claim 1, wherein a first protruding transmission part (380) is arranged in the middle of the leaf plate (170), a first bayonet (390) matched with the first transmission part (380) is arranged on one side of the connecting plate (180), a second through hole (400) penetrating through the transmission part in the length direction is arranged on the transmission part, second side holes (410) matched with the second through hole (400) are arranged on two sides of the first bayonet (390), and the second through hole (400) and the second side holes (410) are connected through a second column shaft (420).

9. The hidden hinge according to claim 8, wherein protruding lugs (430) are disposed at two ends of the side surface of the hydraulic shaft (160), a third through hole (440) penetrating through the length direction is disposed at the other side of the connecting plate (180), the lugs (430) are provided with third side holes (450) mounted in cooperation with the third through hole (440), and the third through hole (440) and the third side holes (450) are connected through a third column shaft (460).

10. The hidden hinge according to claim 8, wherein a protruding second transmission portion (470) is provided on a side surface of the hydraulic shaft (160), a second bayonet (480) that is matched with the second transmission portion (470) is provided on the other side of the connecting plate (180), a third through hole (440) that penetrates through the second transmission portion (470) in a length direction is provided on both sides of the second bayonet (480), a third side hole (450) that is matched with the third through hole (440) is provided on both sides of the second bayonet (480), and the third through hole (440) and the third side hole (450) are connected through a third column shaft (460).