Door and window hinge structure

By designing a rotating shaft, abutment rod, and limit block, combined with locking screws and locking nuts, the problems of cumbersome disassembly and safety hazards in existing door and window hinge structures are solved, enabling quick disassembly and flexible adjustment of windows.

CN224017037UActive Publication Date: 2026-03-20NINGBO AOBO HARDWARE PRODUCTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

The existing door and window hinge structure requires the removal of multiple bolts during disassembly and maintenance, which is cumbersome and poses safety hazards.

Method used

By using a combination of a rotating shaft, a stop rod, and a limit block, and through the cooperation of a locking screw and a locking nut, the window can be quickly disassembled and assembled, avoiding the need for hands to be extended out of the window for operation.

Benefits of technology

It simplifies the window installation and removal process, improves operational safety and convenience, and ensures flexible adjustment of window position and secure installation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of hinges, in particular to a door and window hinge structure which comprises a mounting plate and a bottom plate, a mounting groove is formed in the mounting plate, a limiting groove is formed in the mounting groove, an adjusting box is connected in the mounting groove in a sliding mode, penetrating grooves are formed in the two side faces of the adjusting box, and extending bases are connected in the two penetrating grooves in a sliding mode. The adjusting box is provided with a pushing assembly used for pushing and pulling the extending base to move. According to the utility model, through the cooperative arrangement of the rotating shaft, the abutting rod and the limiting block, the extension of the extension seat can be quickly realized, then the limiting or releasing of the adjusting box is completed, and through the cooperative arrangement of the locking screw rod and the locking nut, after the limiting of the adjusting box is released, the window carrying bottom plate, the long cantilever and the adjusting box can be integrally taken out; the window does not need to be taken down from the bottom plate, the operation process is greatly simplified, hands do not need to stretch out of the window in the whole disassembly and assembly process, and the operation safety is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hinge technical field, concretely relates to a door and window hinge structure. BACKGROUND

[0002] The door and window hinge structure is a mechanical device for connecting doors and windows with door frames or window frames, allowing doors and windows to rotate or swing within a certain range. It is the core component of the door and window opening and closing function, directly affecting the service life, stability and safety of doors and windows.

[0003] In the Chinese patent with publication number CN221169140U, a door and window hinge structure is disclosed. It fixes the window body to the device by opening multiple mounting holes on the surface of the bottom plate and cooperating with fixing screws. After the sliding movable seat reaches the appropriate position, the connecting screw is connected to the bottom end side of the window body, further enhancing the fixing effect of the window body and the hinge, making the window body more stable when opening and closing through the activity of the bottom plate, reducing the bearing pressure of the bottom plate, and enhancing the service life of the device.

[0004] Although the above-mentioned scheme can achieve stable connection of the hinge structure and the window body through the cooperation of multiple mounting holes and screws, the window body fixed on the bottom plate needs to be disassembled after disassembling multiple bolts to complete the disassembly of the window body, which is relatively cumbersome to operate. Moreover, the bottom plate needs to be extended from the window to expose its bottom part to the outside, which leads to the disassembly of the window body needing to be completed outside the window, posing certain safety hazards.

[0005] Therefore, the utility model provides a door and window hinge structure to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0006] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a door and window hinge structure to solve the problem that the window body fixed on the bottom plate needs to be disassembled after disassembling multiple bolts to complete the disassembly of the window body, which is relatively cumbersome to operate. Moreover, the bottom plate needs to be extended from the window to expose its bottom part to the outside, which leads to the disassembly of the window body needing to be completed outside the window, posing certain safety hazards.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme of:

[0008] A door and window hinge structure, comprising a mounting plate and a bottom plate, the mounting plate is provided with a mounting slot, the mounting slot is provided with a limiting slot, the mounting slot is slidably connected with an adjusting box, the two sides of the adjusting box are provided with a through slot, the two through slots are slidably connected with an extension seat, the adjusting box is provided with a pushing assembly for pushing and pulling the extension seat, and the limiting of the adjusting box is completed by inserting the extension seat into the limiting slot.

[0009] The first auxiliary rod is hinged to the bottom plate, a locking screw is fixedly connected in the mounting groove, and a long cantilever is detachably mounted on the locking screw, with one end of the long cantilever being hinged to the bottom plate.

[0010] Preferably, the inner bottom wall of the mounting groove is provided with a mounting hole.

[0011] Preferably, the pushing assembly comprises a limiting block fixedly connected to the extension seat, the adjusting box is rotatably connected with a rotating shaft, the rotating shaft is fixedly connected with an abutting rod, both ends of the abutting rod are arc-shaped ends, and the arc-shaped ends abut against the limiting block.

[0012] Preferably, the rotating shaft is fixedly connected with a connecting plate, the connecting plate is threadedly connected with a positioning screw, the upper surface of the adjusting box is provided with two positioning holes, the two positioning holes are 90 degrees apart, and the positioning holes are matched with the positioning screw.

[0013] Preferably, the adjusting box is fixedly connected with a fixing seat, the fixing seat is fixedly connected with a guide rod, both ends of the guide rod are fixedly connected to the adjusting box, two springs are sleeved on the guide rod, and both ends of the two springs are fixedly connected to the limiting block and the fixing seat respectively.

[0014] Preferably, the upper surface and the bottom surface of the extension seat are rotatably connected with rollers, and the rollers roll on the inner wall of the limiting groove.

[0015] Preferably, the locking screw is fixedly connected with a gasket, the long cantilever is provided with a through hole matched with the locking screw, the long cantilever is inserted on the locking screw through the through hole, the locking screw is further threadedly connected with a locking nut, and the two side surfaces of the long cantilever abut against the gasket and the locking nut respectively.

[0016] Preferably, the bottom plate is provided with a first through groove, the bottom plate is further fixedly connected with a first limiting seat, and the first limiting seat is provided with a second through groove.

[0017] Preferably, the bottom plate is provided with an adjusting groove, the adjusting groove is rotatably connected with an adjusting screw, the adjusting screw is threadedly connected with a second limiting seat, the second limiting seat is slidably connected in the adjusting groove, and the second limiting seat is provided with a third through groove.

[0018] The utility model discloses the beneficial effects are:

[0019] 1、Through the cooperation and setting of the rotating shaft, the abutting lever and the limiting block, the extension seat can be quickly extended, so that the limiting or releasing of the adjusting box is completed, and through the cooperation and setting of the locking screw and the locking nut, after the limiting of the adjusting box is released, the window carrying bottom plate, long cantilever and adjusting box can be taken out as a whole, without taking the window off the bottom plate, so that the operation process is greatly simplified, and the whole disassembly process does not need to stretch the hand out from the window, so that the safety of operation is improved.

[0020] 2、Through the use of the rotating adjusting screw to adjust the position of the second limiting seat in the adjusting groove, the two sides of the window can be closely abutted on the second limiting seat and the first limiting seat respectively, and further fixed through the bolt, so that not only the flexible adjustment of the position of the window is realized, but also the firmness and accuracy after installation are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is the three-dimensional view of the utility model Figure 1 .

[0022] Figure 2 is the three-dimensional view of the utility model Figure 2 .

[0023] Figure 3 is the sectional view of the mounting plate in the utility model.

[0024] Figure 4 is the sectional view of the adjusting box in the utility model.

[0025] In the drawing: 1, mounting plate; 2, mounting groove; 3, adjusting box; 4, first auxiliary lever; 5, second auxiliary lever; 6, bottom plate; 7, long cantilever; 8, locking screw; 9, locking nut; 10, mounting hole; 11, limiting groove; 12, first through groove; 13, first limiting seat; 14, second through groove; 15, second limiting seat; 16, third through groove; 17, adjusting groove; 18, adjusting screw; 19, rotating shaft; 20, connecting plate; 21, positioning screw; 22, positioning hole; 23, abutting lever; 24, limiting block; 25, extension seat; 26, roller; 27, slot; 28, fixed seat; 29, guide lever; 30, spring. DETAILED DESCRIPTION

[0026] The embodiments of the utility model will be explained in detail below. Figures 1 to 4 The embodiments of the utility model will be explained in detail below.

[0027] A door and window hinge structure, comprising a hinge body and a hinge cover, Figures 1 to 4As shown, including the mounting plate 1 and the bottom plate 6, the mounting plate 1 is provided with a mounting slot 2, the inner bottom wall of the mounting slot 2 is provided with a mounting hole 10, and the mounting plate 1 can be fixed by relying on the mounting bolt in the mounting hole 10.

[0028] The mounting slot 2 is provided with a limiting slot 11, the mounting slot 2 is slidably connected with an adjusting box 3, both sides of the adjusting box 3 are provided with a through slot 27, both the through slots 27 are slidably connected with an extension seat 25, the adjusting box 3 is provided with a pushing assembly for pushing and pulling the extension seat 25, and the limiting of the adjusting box 3 is completed by inserting the extension seat 25 into the limiting slot 11.

[0029] Before installing the window, the mounting plate 1 needs to be placed in the appropriate position, and the mounting plate 1 is fixed by relying on the mounting bolt in the mounting hole 10.

[0030] The pushing assembly includes a limiting block 24 fixedly connected to the extension seat 25, the adjusting box 3 is rotatably connected with a rotating shaft 19, the rotating shaft 19 is fixedly connected with an abutting rod 23, both ends of the abutting rod 23 are arc-shaped ends, and the arc-shaped ends abut against the limiting block 24.

[0031] The limiting block 24 can prevent the extension seat 25 from sliding out of the through slot 27, and when the rotating shaft 19 rotates, the abutting rod 23 can abut against the limiting block 24 and push the limiting block 24 towards the inner wall of the adjusting box 3, so that the extension seat 25 extends out of the adjusting box 3 through the through slot 27, and then the extension seat 25 is inserted into the limiting slot 11, which can limit the adjusting box 3.

[0032] The rotating shaft 19 is fixedly connected with a connecting plate 20, the connecting plate 20 is threadedly connected with a positioning screw 21, the upper surface of the adjusting box 3 is provided with two positioning holes 22, and the two positioning holes 22 are 90 degrees apart, and the positioning hole 22 is matched with the positioning screw 21.

[0033] Before and after rotating the rotating shaft 19, the positioning screw 21 is aligned with the two positioning holes 22 respectively, that is, when the positioning screw 21 is in one of the positioning holes 22, the abutting rod 23 pushes the limiting block 24, so that the extension seat 25 extends into the limiting slot 11, and when the positioning screw 21 is in the other positioning hole 22, the extension seat 25 is accommodated in the adjusting box 3, at this time, the adjusting box 3 can be taken out of the mounting slot 2.

[0034] The adjusting box 3 is fixedly connected with a fixed seat 28, the fixed seat 28 is fixedly connected with a guide rod 29, and both ends of the guide rod 29 are fixedly connected to the adjusting box 3, the guide rod 29 is sleeved with two springs 30, and both ends of the two springs 30 are fixedly connected to the limiting block 24 and the fixed seat 28 respectively.

[0035] When the extension seat 25 extends into the limiting groove 11, the guide rod 29 is stretched, and after the abutting rod 23 rotates, the pushing force on the limiting block 24 is removed, and under the elastic action of the guide rod 29 itself, the limiting block 24 can be quickly reset, and then the extension seat 25 is stored in the adjusting box 3.

[0036] The upper surface and the bottom surface of the extension seat 25 are rotationally connected with the rollers 26, and the rollers 26 roll on the inner wall of the limiting groove 11, so that when the adjusting box 3 slides in the mounting groove 2, the rollers 26 roll on the inner wall of the limiting groove 11.

[0037] The first auxiliary rod 4 and the second auxiliary rod 5 are hingedly connected to the adjusting box 3, one end of the first auxiliary rod 4 is hingedly connected to the bottom plate 6, a locking screw 8 is fixedly connected in the mounting groove 2, a long cantilever 7 is detachably installed on the locking screw 8, and one end of the long cantilever 7 is hingedly connected to the bottom plate 6. The long cantilever 7, the second auxiliary rod 5 and the first auxiliary rod 4 assist in supporting the bottom plate 6.

[0038] A washer is fixedly connected to the locking screw 8, a through hole adapted to the locking screw 8 is formed in the long cantilever 7, the long cantilever 7 is inserted into the locking screw 8 through the through hole, a locking nut 9 is threadedly connected to the locking screw 8, and the two side surfaces of the long cantilever 7 abut against the washer and the locking nut 9 respectively.

[0039] The long cantilever 7 is fixed between the washer and the locking nut 9 by limiting the long cantilever 7 with the locking nut 9, and after the limiting of the adjusting box 3 is removed, the locking nut 9 can be removed from the locking screw 8, so that the window, the bottom plate 6, the long cantilever 7 and the adjusting box 3 can be taken out as a whole, without the need to take the window off the bottom plate 6, which is simple to operate and safe.

[0040] A first through slot 12 is formed in the bottom plate 6, and a first limiting seat 13 is fixedly connected to the bottom plate 6, a second through slot 14 is formed in the first limiting seat 13, and the window is fixed to the bottom plate 6 by installing a bolt in the first through slot 12.

[0041] An adjusting slot 17 is formed in the bottom plate 6, an adjusting screw 18 is rotationally connected in the adjusting slot 17, a second limiting seat 15 is threadedly connected to the adjusting screw 18, the second limiting seat 15 is slidingly connected in the adjusting slot 17, and a third through slot 16 is formed in the second limiting seat 15.

[0042] By rotating the adjusting screw 18, the position of the second limiting seat 15 in the adjusting groove 17 can be adjusted, so that the two sides of the window are respectively abutted against the second limiting seat 15 and the first limiting seat 13, and the side of the window is limited and fixed by the mounting bolts in the second through groove 14 and the third through groove 16, thereby improving the stability of the window on the adjusting box 3.

[0043] It should be noted that in the description of the present application, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is merely for the convenience of description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0044] In addition, it should be further pointed out that in the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between the two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0045] So far, the technical scheme of the present application has been described in combination with the preferred embodiments shown in the drawings, but those skilled in the art can easily understand that the protection scope of the present application is obviously not limited to these specific embodiments. Without deviating from the principles of the present application, those skilled in the art can make equivalent changes or replacements to the related technical features, and the technical schemes after the changes or replacements will fall within the protection scope of the present application.

Claims

1. A door and window hinge structure, comprising a mounting plate (1) and a base plate (6), characterized in that, The mounting plate (1) has a mounting groove (2), and a limiting groove (11) is provided in the mounting groove (2). An adjustment box (3) is slidably connected in the mounting groove (2). Both sides of the adjustment box (3) have through grooves (27). An extension seat (25) is slidably connected in both through grooves (27). The adjustment box (3) is provided with a pushing component for pushing and pulling the extension seat (25), and the adjustment box (3) is limited by inserting the extension seat (25) into the limiting groove (11). The regulating box (3) is hinged with a first auxiliary rod (4) and a second auxiliary rod (5), and one end of the first auxiliary rod (4) is hinged to the base plate (6). A locking screw (8) is fixedly connected in the mounting groove (2). A long cantilever (7) is detachably installed on the locking screw (8), and one end of the long cantilever (7) is hinged to the base plate (6).

2. The door and window hinge structure according to claim 1, characterized in that, The mounting groove (2) has a mounting hole (10) on its inner bottom wall.

3. The door and window hinge structure according to claim 1, characterized in that, The pushing component includes a limiting block (24) fixedly connected to the extension seat (25), a rotating shaft (19) rotatably connected to the adjustment box (3), and an abutment rod (23) fixedly connected to the rotating shaft (19). Both ends of the abutment rod (23) are arc-shaped, and the arc-shaped ends abut against the limiting block (24).

4. A door and window hinge structure according to claim 3, characterized in that, A connecting plate (20) is fixedly connected to the rotating shaft (19), and a positioning screw (21) is threaded onto the connecting plate (20). Two positioning holes (22) are opened on the upper surface of the adjusting box (3), and there is a 90-degree angle between the two positioning holes (22), and the positioning holes (22) match the positioning screws (21).

5. A door and window hinge structure according to claim 1, characterized in that, The regulating box (3) is fixedly connected to a fixed seat (28), and a guide rod (29) is fixedly connected to the fixed seat (28). Both ends of the guide rod (29) are fixedly connected to the regulating box (3). Two springs (30) are sleeved on the guide rod (29). The two ends of the two springs (30) are fixedly connected to the limiting block (24) and the fixed seat (28) respectively.

6. A door and window hinge structure according to claim 1, characterized in that, The upper and lower surfaces of the extension seat (25) are rotatably connected to rollers (26), and the rollers (26) roll on the inner wall of the limiting groove (11).

7. A door and window hinge structure according to claim 1, characterized in that, A washer is fixedly connected to the locking screw (8), and a through hole adapted to the locking screw (8) is opened on the long cantilever (7). The long cantilever (7) is inserted into the locking screw (8) through the through hole. A locking nut (9) is also threadedly connected to the locking screw (8), and the two sides of the long cantilever (7) abut against the washer and the locking nut (9) respectively.

8. A door and window hinge structure according to claim 1, characterized in that, The base plate (6) is provided with a first through groove (12), and the base plate (6) is also fixedly connected with a first limiting seat (13), and the first limiting seat (13) is provided with a second through groove (14).

9. A door and window hinge structure according to claim 1, characterized in that, An adjustment groove (17) is provided on the base plate (6). An adjustment screw (18) is rotatably connected in the adjustment groove (17). A second limiting seat (15) is threadedly connected to the adjustment screw (18), and the second limiting seat (15) is slidably connected in the adjustment groove (17). A third through groove (16) is provided on the second limiting seat (15).

Citation Information

Patent Citations

  • Door and window hinge structure

    CN221169140U