Hidden hinge structure

By introducing positioning and stabilizing mechanisms into the concealed hinge structure, the problem of difficult assembly in the prior art is solved, realizing an easy-to-install and stable concealed hinge connection, maintaining a clean appearance and efficient assembly.

CN223634518UActive Publication Date: 2025-12-05RUIAN YAER DOORS & WINDOWS HARDWARE
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520550512.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2025-12-05
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

Existing concealed hinge structures are difficult to assemble when fixed to the door frame support, especially due to the lack of auxiliary positioning, which makes installation inconvenient.

Method used

A concealed hinge structure comprising a positioning mechanism and a stabilizing mechanism was designed. The positioning mechanism uses a fitting pad to fit against the door frame connecting bracket for auxiliary positioning, while the stabilizing mechanism uses a positioning pad to insert into the positioning sleeve to ensure a stable connection. Combined with bolt fixing, this achieves easy installation and a stable connection.

Benefits of technology

It achieves a sleek, concealed hinge design while being easy to install, position, and secure, ensuring a stable connection that is not prone to loosening, thus improving assembly efficiency and safety.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223634518U_ABST
    Figure CN223634518U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of hinge structures, and discloses a hidden hinge structure which comprises a hinge shaft, a first metal pad is installed on the outer side of the hinge shaft in a matched mode, and a second metal pad is installed on the outer side of the hinge shaft in a matched mode. The device is provided with the positioning mechanism, the corresponding face of the attaching pad is attached to the corresponding face of the door frame connecting support at the installation position of the second metal pad, then the second metal pad and the door frame connecting support are fixed through bolts, and the fixing shell can be hidden in the corresponding decorative cover plate or the door frame groove along with the second metal pad. The simple appearance of a hidden hinge is reserved, the device can be easily positioned during installation, and the positioning mechanism can still play a role in auxiliary reinforcement after being fixed. The device is provided with the stabilizing mechanism, position fixing of the positioning pad is conveniently completed, it is ensured that the positioning mechanism and the second metal pad are stably connected and do not loosen, and the purpose that the fixing shell is easy to install and fix is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to hinge structure technical field, concretely is a kind of hidden hinge structure. BACKGROUND

[0002] Hinge is a kind of mechanical device, usually by movable component or foldable material is formed, for connecting two solid components and allowing them to rotate relatively. It is widely used in furniture, doors and windows, cabinet and other fields, is the key component to realize opening and closing function.

[0003] As the Chinese patent with application No. 202221582852.2, a kind of hidden hinge structure is disclosed, which is fixed plate, pivot, mounting plate, door frame connecting support, door plate fixed support;The door plate back is equipped with door plate fixed support, and door plate fixed support is fixedly connected with fixed plate at the end of fixed plate away from door frame;Door frame back is equipped with door frame connecting support, and door frame connecting support is fixedly connected with one end of mounting plate;The other end of mounting plate is connected with the end of fixed plate near door frame by pivot, and fixed plate can rotate relative to mounting plate;Its advantages are to realize the improvement from side installation to back installation, after installation, it can reach that door plate circumference gap is uniform, appearance is neat and beautiful;Door plate surface does not show protrusion, avoids knock, improves safety;Its structure is simple, with positioning, and can be fine-tuned according to different working conditions, without measuring size positioning, product production efficiency is high.

[0004] However, the hidden hinge structure above-mentioned in the process of using, with door frame connecting support fixed after can reach hidden effect, but with the part of door frame connecting support direct use bolt fixed lack auxiliary positioning, there is not easy to assemble problem. Therefore, the technical personnel in the art provides a kind of hidden hinge structure to solve the problems raised in the above background technology. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of hidden hinge structure to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of hidden hinge structure, including hinge shaft, the outside cooperation installation of the hinge shaft is equipped with first metal pad, the outside cooperation installation of the hinge shaft is equipped with second metal pad, the inside of the first metal pad and second metal pad is all equipped with installation hole, the outside of the second metal pad is fixed with stabilizing mechanism, and the outside of stabilizing mechanism is installed with positioning mechanism;

[0008] The positioning mechanism comprises a fixed shell, a fixed plate is fixed to the inner top wall of the fixed shell, a supporting pad is connected to the bottom of the fixed plate, a lifting plate is connected to the bottom of the supporting pad, a connecting rod penetrating through the bottom of the lifting plate is fixed to the top of the lifting plate, a matching pad is fixed to the bottom of the connecting rod, a guide block is installed on the top of the lifting plate, a handle rod is fixed to the top of the lifting plate, and a handle pad is installed on the top of the handle rod.

[0009] As a further scheme of the utility model: the stabilizing mechanism comprises a positioning pad, a reinforcing mounting sleeve is fixed to the top of the positioning pad, a positioning sleeve is installed on the top of the second metal pad, a fixed half-threaded column is fixed to the top of the reinforcing mounting sleeve, an anti-disengagement guide sleeve is installed on the top of the second metal pad, a guide sliding block is slidably connected to the top of the anti-disengagement guide sleeve through a sliding groove, and a movable reinforcing plate is fixed to one side of the guide sliding block.

[0010] As a further scheme of the utility model: an active half-threaded rod is installed on the top of the movable reinforcing plate, and a stainless steel threaded sleeve is threadedly connected to the outer sides of the active half-threaded rod and the fixed half-threaded column.

[0011] As a further scheme of the utility model: one end of the positioning pad is movably inserted into the inside of the positioning sleeve, and one end of the movable reinforcing plate is movably inserted into the inside of the reinforcing mounting sleeve.

[0012] As a further scheme of the utility model: a through hole is formed in the inside of the fixed shell, and the size of the through hole is matched with the size of the handle rod.

[0013] As a further scheme of the utility model: a sliding groove is formed in the inner wall of one side of the fixed shell, and the fixed shell is slidably connected with the guide block through the sliding groove.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The positioning mechanism is arranged on the device, the corresponding surface of the matching pad is attached to the corresponding surface of the door frame connecting bracket of the second metal pad mounting part, thereby playing an auxiliary positioning role, then the fixing between the second metal pad and the door frame connecting bracket is completed by using bolts, meanwhile, the fixed shell can be hidden in the corresponding decorative cover plate or door frame groove, so that the simple appearance of the hidden hinge is retained, and the positioning during the installation of the device is facilitated, and the positioning mechanism can still play an auxiliary reinforcing role after being fixed;

[0016] 2. The stabilizing mechanism is arranged on the device, when the fixed shell and the second metal pad are fixedly connected, one end of the positioning pad on the outer side of the fixed shell is movably inserted into the positioning sleeve, so that the position of the positioning pad is fixed, thereby ensuring that the connection between the positioning mechanism and the second metal pad is stable and not loose, and the purpose of facilitating the installation and fixation of the fixed shell is achieved. Attached Figure Description

[0017] Figure 1 A three-dimensional diagram of a concealed hinge structure;

[0018] Figure 2 This is a schematic diagram of another angle of a concealed hinge structure;

[0019] Figure 3 This is a schematic diagram of the positioning mechanism in a concealed hinge structure.

[0020] Figure 4 for Figure 2 A magnified diagram of region A.

[0021] In the diagram: 1. Hinge shaft; 2. First metal pad; 3. Second metal pad; 4. Mounting hole; 5. Positioning mechanism; 51. Fixed shell; 52. Fixed plate; 53. Support pad; 54. Lifting plate; 55. Fitting pad; 56. Guide block; 57. Handle lever; 58. Handle pad; 59. Connecting rod; 6. Stabilizing mechanism; 61. Positioning pad; 62. Reinforced mounting sleeve; 63. Positioning sleeve; 64. Fixed semi-threaded column; 65. Anti-detachment guide sleeve; 66. Guide sliding block; 67. Movable reinforcing plate; 68. Movable semi-threaded rod; 69. Stainless steel threaded sleeve. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-4 In this embodiment of the utility model, a hidden hinge structure includes a hinge shaft 1, a first metal pad 2 is installed on the outside of the hinge shaft 1, a second metal pad 3 is installed on the outside of the hinge shaft 1, and mounting holes 4 are opened inside the first metal pad 2 and the second metal pad 3. A stabilizing mechanism 6 is fixed on the outside of the second metal pad 3, and a positioning mechanism 5 is installed on the outside of the stabilizing mechanism 6.

[0024] The positioning mechanism 5 comprises a fixed shell 51, the inner top wall of the fixed shell 51 is fixed with a fixed plate 52, the bottom of the fixed plate 52 is connected with a supporting pad 53, the bottom of the supporting pad 53 is connected with a lifting plate 54, the top of the lifting plate 54 is fixed with a connecting rod 59 penetrating through the bottom of the lifting plate 54, the bottom of the connecting rod 59 is fixed with a matching pad 55, the top of the lifting plate 54 is installed with a guide block 56, the top of the lifting plate 54 is fixed with a handle rod 57, the top of the handle rod 57 is installed with a handle pad 58, the inside of the fixed shell 51 is provided with a through hole, the size of the through hole is matched with the size of the handle rod 57, the inner wall of one side of the fixed shell 51 is provided with a sliding groove, the fixed shell 51 is slidingly connected with the guide block 56 through the sliding groove, when the hinge shaft 1 is installed outside the corresponding door frame connecting support, the supporting pad 53 in the fixed shell 51 provides elastic force to push the lifting plate 54, the lifting plate 54 drives the connecting rod 59 fixedly connected therewith to move, at this time, the connecting rod 59 drives the matching pad 55 to move simultaneously, and the guide block 56 slides in the sliding groove of the fixed shell 51, the corresponding surface of the matching pad 55 is matched with the corresponding surface of the door frame connecting support of the installation position of the second metal pad 3, thereby playing a role of auxiliary positioning, then the fixing between the second metal pad 3 and the door frame connecting support is completed by using bolts, at the same time, the fixed shell 51 can be hidden in the corresponding decorative cover plate or door frame groove together with the second metal pad 3, which not only retains the simple appearance of the hidden hinge, but also facilitates the positioning during installation of the device, and the positioning mechanism 5 can still play a role of auxiliary reinforcement after being fixed.

[0025] As an embodiment of the utility model, the stabilizing mechanism 6 comprises a positioning pad 61, the top of the positioning pad 61 is fixed with a reinforcing mounting sleeve 62, the top of the second metal pad 3 is installed with a positioning sleeve 63, the top of the reinforcing mounting sleeve 62 is fixed with a fixed half threaded column 64, the top of the second metal pad 3 is installed with an anti-extrusion guide sleeve 65, the top of the anti-extrusion guide sleeve 65 is slidingly connected with a guide sliding block 66 through a sliding groove, one side of the guide sliding block 66 is fixed with a movable reinforcing plate 67, the top of the movable reinforcing plate 67 is installed with a movable half threaded rod 68, the outer side of the movable half threaded rod 68 and the fixed half threaded column 64 is threadedly connected with a stainless steel threaded sleeve 69, one end of the positioning pad 61 is movably inserted into the inside of the positioning sleeve 63, one end of the movable reinforcing plate 67 is movably inserted into the inside of the reinforcing mounting sleeve 62, when the fixed shell 51 and the second metal pad 3 are fixedly connected, one end of the positioning pad 61 outside the fixed shell 51 is movably inserted into the positioning sleeve 63, then the movable reinforcing plate 67 is horizontally pushed, one end of the movable reinforcing plate 67 is movably inserted into the reinforcing mounting sleeve 62, at this time, the movable half threaded rod 68 outside the movable reinforcing plate 67 can be matched with the fixed half threaded column 64 outside the reinforcing mounting sleeve 62, then the position of the positioning pad 61 is fixed by using the stainless steel threaded sleeve 69 and threadedly connecting the stainless steel threaded sleeve 69 with the fixed half threaded column 64, thereby ensuring the stable connection of the positioning mechanism 5 and the second metal pad 3 without loosening.

[0026] The working principle of the utility model is: the utility model is provided with positioning mechanism 5, when installing hinge shaft 1 on the corresponding door frame connecting support outer side, the supporting pad 53 in fixed shell 51 provides elastic force to push lifting plate 54, let lifting plate 54 drive the connecting rod 59 fixedly connected with it to move, at this time connecting rod 59 drive the matching pad 55 to move simultaneously, and let the guide block 56 slide in the sliding slot of fixed shell 51, let the corresponding surface of matching pad 55 and the corresponding surface of door frame connecting support of second metal pad 3 installation part match, play the role of auxiliary positioning, then use bolt to complete the fixing between second metal pad 3 and door frame connecting support, at the same time fixed shell 51 can hide in the corresponding decorative cover plate or door frame groove along with second metal pad 3, both retain the simple appearance of hidden hinge, and can easily position when installing the utility model, and the positioning mechanism 5 can still play the role of auxiliary reinforcement after fixing;The utility model is provided with stabilizing mechanism 6, when fixed shell 51 and second metal pad 3 are fixedly connected, the positioning pad 61 one end of fixed shell 51 outer side is movably inserted in positioning sleeve 63, then horizontally push and move reinforcing plate 67, let the one end of reinforcing plate 67 movably insert in reinforcing mounting sleeve 62, at this time the movable half screw thread rod 68 of reinforcing plate 67 outer side can be matched with the fixed half screw thread column 64 of reinforcing mounting sleeve 62 outer side, then use stainless steel threaded sleeve 69 and stainless steel threaded sleeve 69 and fixed half screw thread column 64 are threadedly connected, conveniently complete the position fixing of positioning pad 61, thereby ensuring that the positioning mechanism 5 and second metal pad 3 are connected stably and do not loosen, reach the purpose that fixed shell 51 is easily installed and fixed.

[0027] The above, only for the preferable specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled in the art person in the utility model disclosed technical range, according to the utility model technical scheme and the utility model concept of the utility model, equivalent replacement or change, all should be covered in the protection scope of the utility model.

Claims

1. A concealed hinge structure comprising a hinge shaft (1), characterized in that, The outer side of the hinge shaft (1) is matched with the installation of the first metal pad (2), the outer side of the hinge shaft (1) is matched with the installation of the second metal pad (3), the inside of the first metal pad (2) and the second metal pad (3) is provided with an installation hole (4), the outer side of the second metal pad (3) is fixed with a stabilizing mechanism (6), and the outer side of the stabilizing mechanism (6) is provided with a positioning mechanism (5); The positioning mechanism (5) comprises a fixed shell (51), the inner top wall of the fixed shell (51) is fixed with a fixed plate (52), the bottom of the fixed plate (52) is connected with a supporting pad (53), the bottom of the supporting pad (53) is connected with a lifting plate (54), the top of the lifting plate (54) is fixed with a connecting rod (59) penetrating through the bottom thereof, the bottom of the connecting rod (59) is fixed with a matching pad (55), the top of the lifting plate (54) is provided with a guide block (56), the top of the lifting plate (54) is fixed with a handle rod (57), and the top of the handle rod (57) is provided with a handle pad (58).

2. A concealed hinge structure according to claim 1, characterized in that The stabilizing mechanism (6) comprises a positioning pad (61), the top of the positioning pad (61) is fixed with a reinforcing mounting sleeve (62), the top of the second metal pad (3) is provided with a positioning sleeve (63), the top of the reinforcing mounting sleeve (62) is fixed with a fixed half-threaded column (64), the top of the second metal pad (3) is provided with an anti-extrusion guide sleeve (65), the top of the anti-extrusion guide sleeve (65) is slidably connected with a guide sliding block (66) through a sliding groove, and one side of the guide sliding block (66) is fixed with a movable reinforcing plate (67).

3. A concealed hinge structure according to claim 2, wherein The top of the movable reinforcing plate (67) is provided with a movable half-threaded rod (68), and the outer sides of the movable half-threaded rod (68) and the fixed half-threaded column (64) are threadedly connected with a stainless steel threaded sleeve (69).

4. A concealed hinge structure according to claim 2, wherein One end of the positioning pad (61) is movably inserted into the inside of the positioning sleeve (63), and one end of the movable reinforcing plate (67) is movably inserted into the inside of the reinforcing mounting sleeve (62).

5. The hidden hinge structure according to claim 1, wherein The inside of the fixed shell (51) is provided with a through hole, and the size of the through hole is matched with the size of the handle rod (57).

6. A concealed hinge structure according to claim 1, wherein The inside wall of one side of the fixed shell (51) is provided with a sliding groove, and the fixed shell (51) is slidably connected with the guide block (56) through the sliding groove.

Citation Information

Patent Citations

  • Hidden hinge structure

    CN218234770U