Novel hidden door hinge

Abstract

The invention discloses a novel hidden door hinge, and relates to the field of door and window accessories, the novel hidden door hinge comprises a mounting plate, connecting plates and an embedding bin, the mounting plate comprises a door and window sash fixing plate and a door and window frame fixing plate, the connecting plates comprise a first connecting plate, a second connecting plate and a third connecting plate, and the embedding bin is embedded in a door and window sash through the door and window sash fixing plate; the door and window frame fixing plate is fixedly installed on a door and window frame, and the door and window sash fixing plate and the door and window frame fixing plate are connected and installed through the first connecting plate, the second connecting plate and the third connecting plate. The embedded part is arranged on the part connected with the door and window sash, the structure connected with the door and window frame is simple, the hinge can adapt to connection of door and window frames and door and window sashes of different sizes, and the opening and closing smoothness and the bearing capacity of the hinge are improved by arranging the two sets of connecting plates and the multiple coupling shafts.

Description

Technical Field

[0001] The invention relates to an accessory, in particular to a novel hidden door hinge. Background Art

[0002] Doors and windows are one of the main components of every family's home. The design of doors and windows often determines the direction of the entire home decoration. In traditional door and window installation, hinges are often used to connect the door and window frames and door and window sashes. Traditional door hinges are embedded in the door and window frames. Therefore, traditional hinges have high requirements on the width of the door and window frames.

[0003] However, as the concept of minimalist design becomes more and more popular, people have new requirements for traditional structures in home decoration. The heavy door and window frame structure is no longer compatible with the new design concept. Therefore, people hope to design a design that does not have high requirements on the width of the door and window frames, which can adapt to the design needs of different users and bring excellent home decoration design effects to users. Summary of the Invention

[0004] In order to overcome the above-mentioned problems existing in the prior art, the present invention provides a new hidden hinge for installing doors and windows, and the embedded part is set at the part connected to the door and window sash. The structure of the connection with the door and window frame is simple and can adapt to the connection between door and window frames and door and window sashes of different sizes. By setting two sets of connecting plates and multiple couplings, the smoothness of opening and closing of the hinge and the load-bearing capacity of the hinge are increased.

[0005] The technical solution adopted by the present invention to solve its technical problem is: As shown in the accompanying drawings, the present invention provides a new type of hidden door hinge, including an invisible hinge, which connects the door and window sashes and the door and window frames. The invisible hinge includes a mounting plate, a connecting plate and an embedded bin. The mounting plate includes a door and window sash fixing plate and a door and window frame fixing plate. The connecting plate includes a first connecting plate, a second connecting plate and a third connecting plate. The embedded bin is embedded in the door and window sash through the door and window sash fixing plate. The door and window frame fixing plate is fixedly installed on the door and window frame. The door and window sash fixing plate and the door and window frame fixing plate are connected and installed through the first connecting plate, the second connecting plate and the third connecting plate. The first connecting plate is connected and installed with the door and window frame fixing plate. The first connecting plate is respectively connected and installed with the second connecting plate and the third connecting plate. The second connecting plate and the third connecting plate are respectively connected and set with the embedded bin.

[0006] The above-mentioned new type of hidden door hinge, the mounting plate, connecting plate and embedded bin are respectively provided with two groups symmetrical up and down, the first coupling shaft is installed between the two groups of first connecting plates, the second coupling shaft is installed between the two groups of second connecting plates, and the third coupling shaft is installed between the two groups of third connecting plates.

[0007] The above-mentioned new type of hidden door hinge has a first sliding groove on the first connecting plate, a first connecting shaft is slidingly arranged in the first sliding groove, the first connecting shaft is connected and installed with the second connecting plate, and the first connecting plate is rotatably and slidingly connected to one end of the second connecting plate through the first sliding groove and the first connecting shaft.

[0008] The above-mentioned new type of hidden door hinge has a second coupling shaft installed at the other end of the second connecting plate, and second sliding grooves are opened on the inner sides of the two groups of embedded bins. The second coupling shaft passes through the two second sliding grooves to link the two groups of second connecting plates.

[0009] In the above-mentioned novel hidden door hinge, a third sliding groove is provided on the second connecting plate.

[0010] The above-mentioned new type of hidden door hinge, the end of the first connecting plate is rotationally connected to one end of the third connecting plate through the second connecting shaft, the other end of the third connecting plate is linkage-connected through the third coupling shaft, and the third connecting plate is rotationally connected to the embedded bin through the third coupling shaft. When the door and window sash is in a closed state, the second connecting shaft slides into its interior along the third sliding groove.

[0011] In the novel hidden door hinge, the second connecting plate and the third connecting plate are rotationally connected at a middle position via a third connecting shaft.

[0012] The above-mentioned new type of hidden door hinge, the first connecting plate, the second connecting plate and the third connecting plate are connected and arranged in sequence inside the embedded bin, the third connecting plate is arranged on the innermost side, the second connecting plate is arranged between the first connecting plate and the second connecting plate, and the first connecting plate is arranged on the outermost side. When the door and window sash is in a closed state, the first connecting plate, the second connecting plate and the third connecting plate are stacked in sequence in the embedded bin.

[0013] The above-mentioned new type of hidden door hinge, one end of the first connecting plate connected to the door and window frame fixing plate is set as a height adjustment plate, a height adjustment slide groove is opened on the height adjustment plate, a fixing bolt is set in the height adjustment slide groove, the bottom of the door and window frame fixing plate is connected with a height adjustment bolt, the bottom of the height adjustment bolt is against the end of the height adjustment plate, and the first connecting plate fixes its height adjustment plate to the door and window frame fixing plate through the fixing bolt.

[0014] The above-mentioned novel hidden door hinge has a threaded hole on the door and window sash fixing plate, and the lateral installation position of the door and window sash is adjusted by screwing the bolt.

[0015] The beneficial effects of the present invention are: 1. The present application discloses a new type of concealed hinge for installing doors and windows. The structure is designed to be completely concealed. Whether viewed from the inside or outside of the door or window, the hinge is not visible, which improves the overall aesthetics of the door and window installation and greatly enhances the user experience. 2. The embedded part is set at the part connected with the door and window sash, which solves the size requirement of the door and window frame when traditional doors and windows are installed. The structural design of the connection with the door and window frame is simple and can be used for the connection of door and window frames with various size requirements; 3. During the installation process, traditional hinges occupy a large area on the door and window frames, and the sealing strips installed on the door and window frames need to be cut off at the hinge. However, the hinges of the present invention have a smaller width requirement for the door and window frames to be installed. The hinges only occupy a small part of the width of the door and window frames. When the sealing strips are installed on the door and window frames, full sealing can be achieved without cutting off the sealing strips. This solves the problem of air leakage during the installation of conventional doors and windows. It also achieves the functions of heat preservation, energy saving and heat insulation, especially for indoor spaces with insulation requirements. 4. The width requirement of door and window frames is reduced, which also reduces the production cost of doors and windows. The installation of doors and windows is extremely simple and beautiful, and reduces consumables; 5. By setting up two sets of connecting plates and coupling the two sets of connecting plates, the smoothness of opening and closing of the hinge is increased, and by designing multiple couplings, the force transmission between the couplings and the fixed plates and the connecting plates greatly improves the bearing capacity of the hinge. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings and examples.

[0017] Figure 1 It is a schematic diagram of the assembly structure of the present invention; Figure 2 is a cross-sectional view of the present invention in an assembled state; Figure 3 It is a structural schematic diagram of the present invention; Figure 4 This is a structural diagram of the present invention when the doors and windows are in a closed state.

[0018] 1. Door and window sash, 2. Invisible hinge, 3. Door and window frame, 4. First coupling shaft, 5. Second coupling shaft, 6. Third coupling shaft, 7. Door and window sash fixing plate, 8. First slide groove, 9. Door and window frame fixing plate, 10. Height adjustment plate, 11. First connecting plate, 12. First connecting shaft, 13. Second connecting plate, 14. Height adjustment bolt, 15. Second connecting shaft, 16. Third connecting plate, 17. Second slide groove, 18. Third slide groove, 19. Embedded compartment, 20. Third connecting shaft. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] [Example 1] As attached Figure 1-4 As shown, the present invention provides a new type of hidden door hinge, including an invisible hinge 2, which connects the door and window sash 1 and the door and window frame 3. The invisible hinge 2 includes a mounting plate, a connecting plate and an embedded bin 19. The mounting plate includes a door and window sash fixing plate 7 and a door and window frame fixing plate 9. The connecting plate includes a first connecting plate 11, a second connecting plate 13 and a third connecting plate 16. The embedded bin 19 is embedded in the door and window sash 1 through the door and window sash fixing plate 7. The door and window frame fixing plate 9 is fixedly installed on the door and window frame 3. The door and window sash fixing plate 7 and the door and window frame fixing plate 9 are connected and installed through the first connecting plate 11, the second connecting plate 13 and the third connecting plate 16. The first connecting plate 11 is connected and installed with the door and window frame fixing plate 9. The first connecting plate 11 is respectively connected and installed with the second connecting plate 13 and the third connecting plate 16. The second connecting plate 13 and the third connecting plate 16 are respectively connected and set with the embedded bin 19.

[0021] Furthermore, the mounting plate, connecting plate and embedded bin 19 are respectively provided in two groups symmetrically up and down, the first coupling 4 is installed between the two groups of first connecting plates 11, the second coupling 5 is installed between the two groups of second connecting plates 13, and the third coupling 6 is installed between the two groups of third connecting plates 16.

[0022] Furthermore, a first sliding groove 8 is provided on the first connecting plate 11, and a first connecting shaft 12 is slidingly provided in the first sliding groove 8. The first connecting shaft 12 is connected and installed with the second connecting plate 13. The first connecting plate 11 is rotatably and slidingly connected with one end of the second connecting plate 13 through the first sliding groove 8 and the first connecting shaft 12.

[0023] Furthermore, a second coupling shaft 5 is installed at the other end of the second connecting plate 13 , and second sliding grooves 17 are opened on the inner sides of the two groups of embedded bins 19 . The second coupling shaft 5 passes through the two second sliding grooves 17 to link the two groups of second connecting plates 13 .

[0024] Furthermore, a third sliding groove 18 is provided on the second connecting plate 13 .

[0025] Furthermore, the end of the first connecting plate 11 is rotationally connected to one end of the third connecting plate 16 through the second connecting shaft 15, the other end of the third connecting plate 16 is linked by the third coupling shaft 6, and the third connecting plate 16 is rotationally connected to the embedded bin 19 through the third coupling shaft 6. When the door and window sash 1 is in a closed state, the second connecting shaft 15 slides into the interior thereof along the third sliding groove 18.

[0026] Furthermore, the second connecting plate 13 and the third connecting plate 16 are rotationally connected at a middle position via a third connecting shaft 20 .

[0027] Furthermore, the first connecting plate 11, the second connecting plate 13 and the third connecting plate 16 are sequentially connected and arranged inside the embedded bin 19, the third connecting plate 16 is arranged at the innermost side, the second connecting plate 13 is arranged between the first connecting plate 11 and the second connecting plate 13, and the first connecting plate 11 is arranged at the outermost side. When the door and window sash 1 is in a closed state, the first connecting plate 11, the second connecting plate 13 and the third connecting plate 16 are sequentially stacked in the embedded bin 19.

[0028] Furthermore, one end of the first connecting plate 11 connected to the door and window frame fixing plate 9 is set as a height adjustment plate 10, and a height adjustment slide groove is opened on the height adjustment plate 10, and a fixing bolt is set in the height adjustment slide groove. The bottom of the door and window frame fixing plate 9 is connected with a height adjustment bolt 14, and the bottom of the height adjustment bolt 14 is against the end of the height adjustment plate 10. The first connecting plate 11 fixes its height adjustment plate 10 to the door and window frame fixing plate 9 through the fixing bolt.

[0029] Furthermore, the shapes of the first connecting plate 11, the second connecting plate 13 and the third connecting plate 16 are designed to ensure that the door and window frame 3 is flush with the door and window sash 1 when closed, and to ensure that the door and window sash 1 and the door and window frame 3 do not interfere with each other during opening.

[0030] Furthermore, a threaded hole is provided on the door and window sash fixing plate 7, and the lateral installation position of the door and window sash 1 is adjusted by screwing the lateral adjustment bolt. The lateral adjustment bolt is tightened to reduce the distance between the door and window sash fixing plate 7 and the door and window sash 1. Then, the position of the door and window sash 1 is fixed by the fixing bolt to reduce the installation distance between the door and window sash 1 and the door and window frame 3. The lateral adjustment bolt is screwed in the opposite direction to increase the distance between the door and window sash fixing plate 7 and the door and window sash 1, thereby increasing the installation distance between the door and window sash 1 and the door and window frame 3.

[0031] Furthermore, as a door and window connector, the hinge of the present invention can be installed in an aluminum alloy door and window structure for use. Since the aluminum alloy door and window is a plate layer structure, the hinge can also include a back panel structure for installing it in the aluminum alloy door and window sash 1.

[0032] Furthermore, the hinge of the present invention can also be installed in door and window structures with solid structures such as wood. During installation and use, the part of the hinge connected to the door and window sash 1 can be directly embedded in the door and window sash 1 for installation and use, without the need to set up a backboard structure to assist in installation.

[0033] During use, the present invention adopts the method of setting the embedded part at the part connected with the door and window sash 1, which changes the traditional installation method of embedding the door hinge in the door frame, and overcomes the structural limitations of its force and layout. The structure connected with the door and window frame 3 is simple and can adapt to the connection between door and window frames 3 of different sizes and door and window sashes 1. This technical solution adopts a brand-new structure, solves the problems existing in the installation and use of traditional doors and windows, and has extremely high market application prospects.

[0034] The above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the scope of the present invention. The scope of protection of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the spirit and scope of protection of the present invention, and may make simple structural additions to the installation of the present invention within a certain range. Such modifications or equivalent substitutions should also be considered to fall within the scope of protection of the present invention.

Claims

1. A novel hidden door hinge, comprising a hidden hinge (2), the hidden hinge (2) connecting a door or window sash (1) and a door or window frame (3), characterized in that: The invisible hinge (2) comprises a mounting plate, a connecting plate and an embedding bin (19); the mounting plate comprises a door and window sash fixing plate (7) and a door and window frame fixing plate (9); the connecting plate comprises a first connecting plate (11), a second connecting plate (13) and a third connecting plate (16); the embedding bin (19) is embedded in the door and window sash (1) through the door and window sash fixing plate (7); the door and window frame fixing plate (9) is fixedly mounted on the door and window frame (3); the door and window sash fixing plate (7) and the door and window frame fixing plate (9) are connected and mounted through the first connecting plate (11), the second connecting plate (13) and the third connecting plate (16); the first connecting plate (11) is connected and mounted to the door and window frame fixing plate (9); the first connecting plate (11) is connected and mounted to the second connecting plate (13) and the third connecting plate (16) respectively; the second connecting plate (13) and the third connecting plate (16) are respectively connected and mounted to the embedding bin (19).

2. The novel hidden door hinge according to claim 1 is characterized in that: The mounting plate, the connecting plate and the embedded bin (19) are respectively provided in two groups symmetrically in the upper and lower directions. The first coupling shaft (4) is installed between the two groups of first connecting plates (11), the second coupling shaft (5) is installed between the two groups of second connecting plates (13), and the third coupling shaft (6) is installed between the two groups of third connecting plates (16).

3. The novel hidden door hinge according to claim 1 or 2, characterized in that: The first connecting plate (11) is provided with a first sliding groove (8), a first connecting shaft (12) is slidably provided in the first sliding groove (8), the first connecting shaft (12) is connected and installed with the second connecting plate (13), and the first connecting plate (11) is rotatably and slidably connected with one end of the second connecting plate (13) through the first sliding groove (8) and the first connecting shaft (12).

4. The novel hidden door hinge according to claim 1 or 2, characterized in that: A second coupling shaft (5) is installed at the other end of the second connecting plate (13), and a second sliding groove (17) is provided on the inner side of the two sets of embedded bins (19). The second coupling shaft (5) passes through the two second sliding grooves (17) to link and connect the two sets of second connecting plates (13).

5. The novel hidden door hinge according to claim 4 is characterized in that: A third sliding groove (18) is provided on the second connecting plate (13).

6. The novel hidden door hinge according to claim 1 or 2, characterized in that: The end of the first connecting plate (11) is rotatably connected to one end of the third connecting plate (16) via the second connecting shaft (15), the other end of the third connecting plate (16) is linked via the third coupling shaft (6), and the third connecting plate (16) is rotatably connected to the embedded bin (19) via the third coupling shaft (6). When the door and window sash (1) is in a closed state, the second connecting shaft (15) slides into the interior of the third sliding groove (18) along the third sliding groove (18).

7. The novel hidden door hinge according to claim 1 or 2, characterized in that: The second connecting plate (13) and the third connecting plate (16) are rotationally connected at a middle position via a third connecting shaft (20).

8. The novel hidden door hinge according to claim 1 or 2, characterized in that: The first connecting plate (11), the second connecting plate (13) and the third connecting plate (16) are sequentially connected and arranged inside the embedding bin (19), the third connecting plate (16) is arranged at the innermost side, the second connecting plate (13) is arranged between the first connecting plate (11) and the second connecting plate (13), and the first connecting plate (11) is arranged at the outermost side. When the door and window sash (1) is in a closed state, the first connecting plate (11), the second connecting plate (13) and the third connecting plate (16) are sequentially stacked in the embedding bin (19).

9. The novel hidden door hinge according to claim 1, characterized in that: One end of the first connecting plate (11) connected to the door and window frame fixing plate (9) is provided as a height adjustment plate (10), a height adjustment slot is provided on the height adjustment plate (10), a fixing bolt is provided in the height adjustment slot, a height adjustment bolt (14) is provided at the bottom of the door and window frame fixing plate (9), the bottom of the height adjustment bolt (14) abuts against the end of the height adjustment plate (10), and the first connecting plate (11) fixes the height adjustment plate (10) to the door and window frame fixing plate (9) by means of the fixing bolt.

10. The novel hidden door hinge according to claim 1, characterized in that: The door and window sash fixing plate (7) is also provided with a threaded hole, and the horizontal installation position of the door and window sash (1) is adjusted by screwing a bolt.

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