Split type three-dimensional adjustable blind hinge
By designing a split three-dimensional adjustable concealed hinge, the problem that the existing concealed hinge cannot adjust the door gap on site is solved, the split installation and fine decoration requirements of the door leaf and door frame are realized, and the installation efficiency and anti-theft performance are improved.
Patent Information
- Application Number
- CN202422981824.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Existing concealed hinges cannot adjust the door gap on site, and the door leaf and door frame need to be produced and installed in a matching set, resulting in low production and engineering installation efficiency, and the exposed hinges are not aesthetically pleasing and have insufficient anti-theft performance.
A split three-dimensional adjustable concealed hinge is designed, which includes upper and lower fixing seats, adjustment parts and hinge components. The door leaf can be adjusted forward, backward, up, down, left and right through the eccentric wheel and adjustment screws. The hinge shaft is hidden inside the door, which is suitable for split installation and fine decoration needs.
It enables on-site adjustment of the door gap, simplifies the production and installation process, improves installation efficiency, and enhances anti-theft performance.
Smart Images

Figure CN223446839U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a security door hinge technical field, especially can satisfy the door frame door leaf split body installation requirement, the three -dimensional adjustable dark hinge of front and back up and down left and right after installation. BACKGROUND
[0002] With the continuous development of real estate industry, people's requirements for the entrance door are higher and higher, in addition to meeting the safety requirements of national standards, the appearance and anti-theft performance of the entrance door are also put forward higher requirements. The main problems existing at present have the following points: first, the entrance door on the market mainly takes the bright hinge, the bright hinge can ensure that the door frame door leaf is installed when being split, avoids the unnecessary repair and rework caused by scratching the surface of the door leaf during decoration, but compared with the dark hinge, the hinge shaft of the bright hinge is exposed on the surface of the door body, which is not good in appearance and the anti-theft performance is not ideal, so many users require to use the dark hinge. Second, the housing property fine decoration engineering is more and more, and it has become a fashion to carry bags and live in, and the entrance door is often required to be installed with the door frame during decoration, and then the door leaf is installed after the indoor decoration is basically completed, but the existing dark hinge cannot adjust the front and back up and down left and right door gap, so that the door leaf and the door frame must be produced in pairs, and after the assembly is completed, they are numbered and disassembled, and the goods are developed separately, and when the engineering installation is carried out, the installation must be carried out according to the number one by one, which causes many troubles in production and engineering installation and low work efficiency. Therefore, developing a dark hinge which can be installed in split body, front and back up and down left and right three-dimensional adjustable is a common problem to be solved in the industry, for this reason, many production factories and research institutes develop and research, but so far, there is no ideal product on the market. SUMMARY
[0003] In order to overcome the above-mentioned problems existing in the prior art, the utility model aims at providing a split type three-dimensional adjustable dark hinge which has reasonable structure design, convenient door leaf disassembly and assembly, three-dimensional adjustable front and back up and down left and right door gap, high installation efficiency and is suitable for mass production.
[0004] The utility model solves the technical scheme that it adopts, it includes the up and down fixed seat that corresponds fixed on the door frame, the up and down adjusting part that corresponds fixed on the up and down fixed seat through adjusting part fixing screw, hinge assembly, the hinge assembly includes the up and down hinge seat, the hinge arm, with the adjusting plate of door leaf, the up and down hinge seat is connected as a whole through connecting rod and pivot and is correspondingly fixed on the up and down adjusting part through hinge seat fixing screw, the hinge arm is equipped with fixed plate, the hinge arm is hinged on the pivot, the fixed plate is equipped with horizontally arranged waist shape adjusting hole, the fixed plate is fixedly connected on the adjusting plate through the cooperation of waist shape adjusting hole and adjusting plate screw hole by hinge arm adjusting screw, when the hinge arm adjusting screw is loosened, the adjusting plate can be moved forward and backward to realize the front and back adjustment of the door leaf.
[0005] The further scheme of the utility model discloses that the upper and lower adjusting pieces are correspondingly provided with eccentric wheel grooves arranged horizontally, the upper and lower hinge seats are correspondingly provided with eccentric wheel holes and hinge seat waist-shaped adjusting holes arranged longitudinally, the upper and lower eccentric wheels are correspondingly installed on the eccentric wheel grooves and the eccentric wheel holes between the upper and lower adjusting pieces and the upper and lower hinge seats, the hinge seat fixing screws are arranged on the hinge seat waist-shaped adjusting holes, the upper and lower eccentric wheels can be rotated respectively when the hinge seat fixing screws are loosened, and the door leaf can be adjusted up and down by the upper and lower eccentric wheels driving the hinge assembly to move up and down.
[0006] The further scheme of the utility model discloses that the upper and lower adjusting pieces are correspondingly provided with adjusting screw holes, the upper and lower adjusting pieces are correspondingly provided with upper and lower adjusting screws on the adjusting screw holes, the rear end faces of the upper and lower adjusting screws are correspondingly abutted on the rear walls of the upper and lower fixed seats, the upper and lower adjusting screws can be rotated respectively when the adjusting piece fixing screws are loosened, and the door leaf can be adjusted left and right by the upper and lower adjusting screws driving the upper and lower adjusting pieces to move left and right.
[0007] The further scheme of the utility model discloses that the upper and lower fixed seats are correspondingly provided with fixed seat positioning grooves, the upper and lower hinge seats are correspondingly provided with hinge seat positioning grooves, the upper parts of the upper and lower adjusting pieces are correspondingly positioned on the fixed seat positioning grooves of the upper and lower fixed seats, and the lower parts of the upper and lower adjusting pieces are correspondingly positioned on the hinge seat positioning grooves of the upper and lower hinge seats.
[0008] The further scheme of the utility model discloses that the upper and lower hinge seats are correspondingly provided with protective covers covering the hinge assemblies.
[0009] Compared with the prior art, the utility model has the following advantages and effects: first, the door gap of the hidden hinge door can be adjusted on site, which can meet the requirement of the user on site adjustment. Second, the door leaf and the door frame can be processed separately, the door frame can be installed first, and then the door leaf can be installed after the decoration project is completed, which can solve the problems of prior art, such as prior assembly, disassembly, numbering and installation, and can meet the quality requirement of the decoration project. Third, the door leaf can be adjusted in front and back, up and down and left and right by loosening the hinge arm adjusting screw, the hinge seat fixing screw and the adjusting piece fixing screw, which is simple, convenient, fast and high in efficiency. Fourth, the hinge rotating shaft is not exposed, which can further improve the anti-prying performance of the security door. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is a decomposition structure schematic view of the utility model.
[0011] Figure 2 is the cooperation structure schematic view when the utility model is installed on the door frame.
[0012] Figure 3 is the cooperation structure schematic view when the utility model is installed on the security door in the closed state.
[0013] Figure 4 is the cooperation structure schematic view when the utility model is installed on the security door in the open state.
[0014] Figure 5 is the assembly structure schematic view when the utility model upper and lower fixed seat and upper and lower adjusting piece are installed on the door frame.
[0015] 1 upper fixed seat, 2 fixed seat positioning groove, 3 upper adjusting screw, 4 upper adjusting piece, 5 adjusting screw hole, 6 eccentric wheel groove, 7 adjusting piece fixing screw, 8 upper eccentric wheel, 9 upper hinge seat, 10 hinge seat positioning groove, 11 hinge seat waist-shaped adjusting hole, 12 eccentric wheel hole, 13 hinge seat fixing screw, 14 adjusting plate, 15 fixed plate, 16 hinged arm, 17 waist-shaped adjusting hole, 18 hinged arm adjusting screw, 19 connecting rod, 20 rotating shaft, 21 protective cover, 22 lower hinge seat, 23 lower fixed seat, 24 lower adjusting screw, 25 lower adjusting piece, 26 lower eccentric wheel, 27 door frame, 28 door leaf, 29 door leaf decorative frame, 30 hinge slot. DETAILED DESCRIPTION
[0016] Figures 1 to 5 The utility model discloses a kind of split three-dimensional adjustable dark hinges, it includes upper and lower fixed seat 1, 23, through adjusting piece fixing screw 7 corresponding fixed on upper and lower fixed seat 1, 23 on upper and lower adjusting piece 4, 25, hinge assembly, the hinge assembly includes upper and lower hinge seat 9, 22, hinged arm 16, adjusting plate 14, upper and lower hinge seat 9, 22 are fixedly connected as a whole by connecting rod 19 and rotating shaft 20, and by hinge seat fixing screw 13 corresponding fixed on upper and lower adjusting piece 4, 25, fixed plate 15 is equipped on hinged arm 16, hinged arm 16 is hinged on rotating shaft 20, fixed plate 15 is equipped with horizontally arranged waist-shaped adjusting hole 17, fixed plate 15 is fixedly connected on adjusting plate 14 by hinged arm adjusting screw 18 through waist-shaped adjusting hole 17 and adjusting plate screw hole cooperation;When installing, upper and lower fixed seat 1, 23 corresponding fixed on door frame 27, door frame 27 is equipped with the hinge arm slot 30 of the hinged arm 16 that conveniently passes through free rotation, door leaf 28 is fixed with door leaf decorative frame 29, fixed screw is fixed on the fixed plate of door leaf 28 by passing through adjusting plate 14, door leaf decorative frame 29;When needing to adjust door leaf 28 front and back door gap, first loosen hinged arm adjusting screw 18, then move adjusting plate 14 to appropriate position, and then tighten hinged arm adjusting screw 18, and the front and back door gap adjustment of door leaf 28 can be realized.
[0017] In order to realize the adjustment of the gap between the upper and lower door leaves of the door leaf 28, the horizontal eccentric slot 6 is arranged on the upper and lower adjusting members 4, 25, the eccentric hole 12 and the longitudinal adjusting hole 11 are arranged on the upper and lower hinge seats 9, 22, the upper and lower eccentric wheels 8, 26 are arranged on the eccentric slot 6 and the eccentric hole 12 between the upper and lower adjusting members 4, 25 and the upper and lower hinge seats 9, 22, and the hinge seat fixing screw 13 is arranged on the adjusting hole 11 of the hinge seat.
[0018] In order to realize the adjustment of the gap between the left and right door leaves of the door leaf 28, the adjusting screw hole 5 is arranged on the upper and lower adjusting members 4, 25, the upper and lower adjusting screws 3, 24 are arranged on the adjusting screw hole 5 of the upper and lower adjusting members 4, 25, and the rear end face of the upper and lower adjusting screws 3, 24 is arranged on the rear wall of the upper and lower fixed seats 1, 23.
[0019] In order to facilitate installation and improve installation accuracy, the fixed seat positioning slot 2 is arranged on the upper and lower fixed seats 1, 23, the hinge seat positioning slot 10 is arranged on the upper and lower hinge seats 9, 22, the upper part of the upper and lower adjusting members 4, 25 is arranged on the fixed seat positioning slot 2 of the upper and lower fixed seats 1, 23, and the lower part of the upper and lower adjusting members 4, 25 is arranged on the hinge seat positioning slot 10 of the upper and lower hinge seats 9, 22.
[0020] In order to prevent the cement slurry or foaming glue from polluting the hinge, the protective cover 21 is arranged on the upper and lower hinge seats 9, 22.
[0021] The above is only a specific embodiment of the present application, and does not limit the present application in any form. Simple modifications, equivalent changes or modifications made without departing from the technical scheme of the present application all fall within the protection scope of the present application.
Claims
1. A split three-dimensional adjustable concealed hinge, characterized by: The invention comprises upper and lower fixing seats (1, 23) fixed to the door frame (27), upper and lower adjusting members (4, 25) fixed to the upper and lower fixing seats (1, 23) through adjusting member fixing screws (7), and a hinge assembly. The hinge assembly comprises upper and lower hinge seats (9, 22), a hinge arm (16), and an adjusting plate (14) fixed to the door leaf (28). The upper and lower hinge seats (9, 22) are connected as a whole through a connecting rod (19) and a rotating shaft (20) and are fixed to the upper and lower hinge seats through the hinge seat fixing screws (13). The hinge arm (16) is fixed on the upper and lower adjustment members (4, 25), and a fixing plate (15) is provided on the hinge arm (16). The hinge arm (16) is hinged on the rotating shaft (20). A waist-shaped adjustment hole (17) is provided on the fixing plate (15). The fixing plate (15) is fixedly connected to the adjustment plate (14) by a hinge arm adjustment screw (18) passing through the waist-shaped adjustment hole (17) and cooperating with the adjustment plate screw hole. When the hinge arm adjustment screw (18) is loosened, the adjustment plate (14) can be moved forward and backward to achieve the front and rear adjustment of the door leaf (28).
2. The split three-dimensional adjustable concealing hinge according to claim 1 is characterized by: The upper and lower adjusting members (4, 25) are correspondingly provided with a horizontally arranged eccentric wheel groove (6), the upper and lower hinge seats (9, 22) are correspondingly provided with an eccentric wheel hole (12) and a longitudinally arranged hinge seat waist-shaped adjusting hole (11), the upper and lower eccentric wheels (8, 26) are correspondingly installed on the eccentric wheel groove (6) and the eccentric wheel hole (12) between the upper and lower adjusting members (4, 25) and the upper and lower hinge seats (9, 22), the hinge seat fixing screw (13) is set on the hinge seat waist-shaped adjusting hole (11), when the hinge seat fixing screw (13) is loosened, the upper and lower eccentric wheels (8, 26) can be rotated respectively, and the upper and lower eccentric wheels (8, 26) drive the hinge assembly to move up and down to achieve the up and down adjustment of the door leaf (28).
3. The split three-dimensional adjustable concealing hinge according to claim 1 or 2, characterized in that: The upper and lower adjusting members (4, 25) are provided with adjusting screw holes (5) correspondingly, and the adjusting screw holes (5) of the upper and lower adjusting members (4, 25) are provided with upper and lower adjusting screws (3, 24) correspondingly. The rear ends of the upper and lower adjusting screws (3, 24) are pressed against the rear walls of the upper and lower fixing seats (1, 23) correspondingly. When the adjusting member fixing screws (7) are loosened, the upper and lower adjusting screws (3, 24) can be rotated respectively. The upper and lower adjusting screws (3, 24) drive the upper and lower adjusting members (4, 25) to move left and right, thereby realizing left and right adjustment of the door leaf (28).
4. The split three-dimensional adjustable concealing hinge according to claim 1 is characterized by: The upper and lower fixing seats (1, 23) are correspondingly provided with fixing seat positioning grooves (2), the upper and lower hinge seats (9, 22) are correspondingly provided with hinge seat positioning grooves (10), the upper parts of the upper and lower adjusting members (4, 25) are correspondingly positioned on the fixing seat positioning grooves (2) of the upper and lower fixing seats (1, 23), and the lower parts of the upper and lower adjusting members (4, 25) are correspondingly positioned on the hinge seat positioning grooves (10) of the upper and lower hinge seats (9, 22).
5. The split three-dimensional adjustable concealing hinge according to claim 1 is characterized by: The upper and lower hinge seats (9, 22) are correspondingly provided with protective covers (21) covering the hinge components.