CN219197021U

CN219197021U - Invisible door hinge

Info

Publication number: CN219197021U
Application number: CN202223320327.6U
Authority: CN
Inventors: 张维益
Original assignee: Jiangsu Cooper Kejian New Material Technology Co ltd
Current assignee: Jiangsu Cooper Kejian New Material Technology Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-06-16
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses an invisible door hinge, which belongs to the technical field of door cabinet connecting pieces and comprises a first base and a second base, wherein the first base is in threaded connection with a door frame, the second base is in threaded connection with a door plate, a support arm assembly is arranged between the first base and the second base and consists of a plurality of support arms and a middle shaft, support arm grooves are formed in the middle of the first base and the second base, a first fixing plate is arranged at the tops of two sides of the first base, two flat head screws I penetrate through one side of the first fixing plate, the flat head screws I are in threaded connection with the door frame, two stop bolts I penetrate through the other side of the first fixing plate, a part of an existing invisible door hinge can be exposed outside when the door is closed, and only one direction can be adjusted when the door is installed.

Description

Invisible door hinge

Technical Field

The utility model relates to the technical field of door cabinet connectors, in particular to a hidden door hinge.

Background

The hinge is a mechanical device for connecting two solids and allowing the two solids to rotate mutually, the door and the cabinet are often used in ordinary life, the invisible door is a door without a door frame and a handle outside, and the hinge of the invisible door needs to be completely hidden after the door is closed.

The existing invisible door hinge can expose a part of the invisible door hinge outside after the door is closed, so that the door is not hidden when the door is closed, and the hinge can only be adjusted in one direction when being installed, so that the installation is difficult, the air tightness is not guaranteed, and therefore, the invisible door hinge with strong practicability and good concealment is necessary to design.

Disclosure of Invention

The present utility model is directed to a hidden door hinge, which solves the above-mentioned problems of the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: the invisible door hinge comprises a first base and a second base, wherein the first base is in threaded connection with a door frame, the second base is in threaded connection with a door plate, a support arm assembly is installed between the first base and the second base, and the support arm assembly consists of a plurality of support arms and a middle shaft.

The utility model further discloses that the support arm grooves are formed in the middle of the first base and the second base, the first fixing plates are arranged at the tops of the two sides of the first base, two flat head screws I penetrate through one side of the first fixing plates, and the flat head screws I are in threaded connection with the door frame.

The utility model further describes that two first stop bolts penetrate through the other side of the top of the fixed plate, a longitudinal U-shaped groove is formed in the penetrated part of the first fixed plate, the first stop bolts are in threaded connection with a door frame, one side of each stop bolt is provided with one adjusting bolt, and one lower end of each adjusting bolt is in a gear shape and is meshed and connected with the first base through the first fixed plate.

The utility model further discloses a disc-shaped fixing plate, which is characterized in that a fixing plate II is arranged on one side of the fixing plate II, an adjusting bolt II is arranged at the top of the fixing plate II, the middle of the adjusting bolt II is disc-shaped, the lower end of the adjusting bolt II is provided with threads, the adjusting bolt II penetrates through the fixing plate II to be in threaded connection with a base I, a cover plate is arranged at the upper end of the fixing plate I, a flat head screw II is arranged at the top of the cover plate, the flat head screw II penetrates through the cover plate to be in threaded connection with the fixing plate I, the structures of the upper side and the lower side of the base I are identical, and the base II is arranged on the side of the base I.

The utility model further discloses that one side of the top of the base II is penetrated with a flat head screw III and is in threaded connection with the door plate, one side of the flat head screw III is provided with a fixing plate III, and the top of the fixing plate III is provided with a stop bolt II.

The utility model further discloses that the second stop bolt penetrates through the third fixing plate and is in threaded connection with the second base and the door plate respectively, a transverse U-shaped groove is formed in the penetrated part of the third fixing plate, the third adjusting bolt is installed on the side edge of the second stop bolt, and the lower end of the third adjusting bolt is gear-shaped, penetrates through the third fixing plate and is in meshed connection with the second base.

According to the utility model, the cover plate is connected with the top of the second base through the screw, the flat head screw IV penetrates through the cover plate and is in threaded connection with the second base, the upper side and the lower side of the second base are identical in structure, the middle shaft on one side of the support arm assembly is connected with the second fixing plate, and the middle shaft on the other side of the support arm assembly is connected with the third fixing plate, so that the first base and the second base are indirectly connected.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the three-dimensional adjustable support arm groove is added into the invisible door hinge, so that the invisible door hinge is three-dimensionally adjustable during installation, the air tightness of the invisible door is improved, and the concealment of the invisible door is improved when the invisible door is closed.

Drawings

The present application is further described below with reference to the drawings and examples.

FIG. 1 is a schematic view of the hinge and door frame of the present utility model in place;

FIG. 2 is a schematic diagram of the overall external structure of the present utility model;

FIG. 3 is a schematic illustration of the cover plate of the present utility model with the internal structure removed;

FIG. 4 is a schematic view of the internal structure of the base of the present utility model;

FIG. 5 is a schematic view of the hinge of the present utility model fully closed;

wherein, each reference sign in the figure:

1. a first base; 2. a second base; 3. a first fixing plate; 4. a cover plate; 5. a flat head screw I; 6. a first stop bolt; 7. an adjusting bolt I; 8. a second fixing plate; 9. an adjusting bolt II; 10. a flat head screw II; 11. a support arm assembly; 12. a flat head screw III; 13. a fixing plate III; 14. a second stop bolt; 15. an adjusting bolt III; 16. a flat head screw IV; 17. a door frame; 18. a door panel; 19. and a support arm groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides the following technical solutions: a hidden door hinge comprises a first base 1 and a second base 2, wherein the first base 1 is in threaded connection with a door frame 17, the second base 2 is in threaded connection with a door plate 18, a support arm assembly 11 is arranged between the first base 1 and the second base 2, and the support arm assembly 11 consists of a plurality of support arms and a central shaft.

Support arm grooves 19 are formed in the middle of the first base 1 and the second base 2, the first fixing plates 3 are arranged at the tops of the two sides of the first base 1, two flat head screws 5 penetrate through one side of the first fixing plates 3, the flat head screws 5 are in threaded connection with the door frame 17, and the first base 1 and the door frame 17 are fixed.

Two first stop bolts 6 are respectively penetrated through the other side of the top of the first fixing plate 3, a longitudinal U-shaped groove is formed in the penetrated part of the first fixing plate 3, the first stop bolts 6 are in threaded connection with the door frame 17, the door plate 18 can be adjusted along the direction of the U-shaped groove, one adjusting bolt 7 is arranged on the side edge of the first stop bolts 6, and the lower end of the adjusting bolt 7 is in a gear shape and penetrates through the first fixing plate 3 and is meshed and connected with the first base 1.

The fixed plate I3 side is equipped with fixed plate II 8, and adjusting bolt II 9 is installed at fixed plate II 8 top, is discoid and the lower extreme is the screw in the middle of the adjusting bolt II 9, and adjusting bolt II 9 runs through fixed plate II 8 and 1 threaded connection of base, and apron 4 is installed to the upper end of fixed plate I3, and the top of apron 4 is equipped with flat head screw II 10, and flat head screw II 10 runs through

apron

4 and 3 threaded connection of fixed plate, and the structure is the same about the base 1, and the base 1 sets up in one side of base 2.

One side at the top of the second base 2 is penetrated by a third flat head screw 12, the third flat head screw 12 is in threaded connection with a door plate 18, one side of the third flat head screw 12 is provided with a third fixing plate 13, and the top of the third fixing plate 13 is provided with a second stop bolt 14.

The second stop bolt 14 penetrates through the third fixing plate 13 and is in threaded connection with the second base 2 and the door plate 18 respectively, a transverse U-shaped groove is formed in the penetrated part of the third fixing plate 13, the third adjusting bolt 15 is installed on the side edge of the second stop bolt 14, and the lower end of the third adjusting bolt 15 is gear-shaped and penetrates through the third fixing plate 13 and is in meshed connection with the second base 2.

The top screw of the second base 2 is connected with the cover plate 4, the flat head screw four 16 penetrates through the cover plate 4 to be in threaded connection with the second base 2, the upper side structure and the lower side structure of the second base 2 are identical, the middle shaft on the left side of the support arm component 11 penetrates through the support arm fixedly connected with the second fixing plate 8, and the middle shaft on the right side penetrates through the support arm fixedly connected with the third fixing plate 13, so that the first base 1 and the second base 2 are indirectly connected.

Working principle:

when the hinge is installed, the first base 1 is installed inside the door frame 17, the second base 2 is installed inside the door plate 18, a three-dimensional adjustable space is reserved, the first flat head screw 5 penetrates through the first fixing plate 3 to be locked inside the door frame 17, the third flat head screw 12 penetrates through the second base 2 to be locked inside the door plate 18, after the first stop bolt 6 is screwed into the door frame 17 in a half mode, the second stop bolt 14 is also screwed into the door plate 18 in a half mode, when the door plate 18 is to be adjusted up and down, the first adjustment bolt 7 needs to be rotated, the lower end gear of the first adjustment bolt 7 drives the door plate 18 to move up and down, when the door plate 18 is to be adjusted left and right, the third adjustment bolt 15 needs to be rotated, the lower end gear of the third adjustment bolt 15 drives the door plate 18 to move left and right, when the door plate 18 is to be adjusted back and forth, the middle disc of the third adjustment bolt 15 drives the door plate 18 to move back, after the first stop bolt 6 and the second stop bolt 14 are completely screwed, the hinge is completely fixed, the cover plate 4 is installed, the door is completely closed, the hinge is invisible, gaps are small, and hidden door tightness is improved.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a stealthy door hinge, includes base one (1) and base two (2), its characterized in that: the novel anti-theft lock is characterized in that the first base (1) is in threaded connection with the door frame (17), the second base (2) is in threaded connection with the door plate (18), the support arm component (11) is installed in the middle of the first base (1) and the second base (2), the support arm component (11) is composed of a plurality of support arms and a middle shaft, support arm grooves (19) are formed in the middle of the first base (1) and the second base (2), the first fixing plate (3) is installed at the tops of the two sides of the first base (1), two stop bolts (6) are respectively penetrated at the other side of the top of the first fixing plate (3), a longitudinal U-shaped groove is formed in the penetrating position of the first fixing plate (3), the second fixing plate (8) is arranged on the side of the first fixing plate (3), an adjusting bolt (9) is installed at the top of the second fixing plate (8), a flat head screw (12) is penetrated at one side of the top of the second base (2), the flat head screw (12) is in threaded connection with the door plate (18), and one side of the flat head screw (12) is provided with the third fixing plate (13), and the second fixing plate (13) is provided with the stop bolts (14).

2. A hidden door hinge according to claim 1, wherein: two flat head screws I (5) penetrate through one side of the fixing plate I (3), and the flat head screws I (5) are in threaded connection with a door frame (17).

3. A hidden door hinge according to claim 2, wherein: the first stop bolt (6) is in threaded connection with the door frame (17), the first adjusting bolt (7) is arranged on the side edge of the first stop bolt (6), and the lower end of the first adjusting bolt (7) is in a gear shape and penetrates through the first fixing plate (3) and is in meshed connection with the first base (1).

4. A hidden door hinge according to claim 3, wherein: the middle of the adjusting bolt II (9) is disc-shaped, the lower end of the adjusting bolt II (9) is threaded, the adjusting bolt II (9) penetrates through the fixing plate II (8) to be in threaded connection with the base I (1), the cover plate (4) is installed at the upper end of the fixing plate I (3), the flat head screw II (10) is arranged at the top of the cover plate (4), the flat head screw II (10) penetrates through the cover plate (4) to be in threaded connection with the fixing plate I (3), the structures of the upper side and the lower side of the base I (1) are identical, and the base I (1) is arranged on one side of the base II (2).

5. A hidden door hinge according to claim 4, wherein: the second stop bolt (14) penetrates through the third fixing plate (13) and is in threaded connection with the second base (2) and the door plate (18) respectively, a transverse U-shaped groove is formed in the penetrated part of the third fixing plate (13), the third adjusting bolt (15) is installed on the side edge of the second stop bolt (14), and the lower end of the third adjusting bolt (15) is gear-shaped and penetrates through the third fixing plate (13) and is meshed and connected with the second base (2).

6. A hidden door hinge according to claim 5, wherein: the screw connection of base two (2) top has apron (4), the inside of apron (4) runs through have flat head screw four (16) and with base two (2) threaded connection, both sides structure is the same about base two (2), support arm subassembly (11) left side axis runs through support arm fixedly connected with fixed plate two (8), and right side axis runs through support arm fixedly connected with fixed plate three (13).