Door and window hinge with buffering and damping structure

By introducing buffers and ratchet assemblies into door and window hinges, the problems of loud collision noise and short service life caused by excessive force or wind have been solved, resulting in a smoother user experience and a longer service life.

CN223523557UActive Publication Date: 2025-11-07CHANGCHUN BAISHUN DOOR & WINDOW MFG CO LTD
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Patent Information

Application Number
CN202422736595.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-11-07
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

Existing door and window hinges are prone to causing excessive noise when used due to excessive force or wind, resulting in the door leaf colliding with the door frame and reducing their service life.

Method used

Design a door and window hinge with a buffer and shock absorption structure. Through the cooperation of the buffer component and the ratchet component, the rotation of the rotating rod and the turntable is automatically controlled, so that the force energy is partially transferred to the spring for energy storage and to prevent the door and window from rotating back.

Benefits of technology

It effectively reduces the impact force when doors and windows are closed or opened, extends the service life of doors and windows, and improves their performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a door and window hinge with a buffering and damping structure, and belongs to the technical field of door and window hinges. A door and window hinge with a buffering and damping structure comprises a first hinge piece and a second hinge piece, the side, close to the second hinge piece, of the first hinge piece is fixedly connected with a fixing piece, the side, close to the first hinge piece, of the second hinge piece is fixedly connected with a fixing barrel, the fixing piece is rotationally connected with the fixing barrel, and a partition plate is fixedly connected to the middle of an inner cavity of the fixing barrel; buffering assemblies are arranged on the two sides of the partition plate. According to the door and window hinge with the buffering and damping structure, by arranging the buffering assembly, when a user closes or opens a door and window, the rotating rod can be automatically controlled to rotate, so that the connecting plate compresses the spring fixedly connected with the connecting plate, and the force for closing or opening the door and window is partially transferred to the spring for energy storage; therefore, the damage to the door and window caused by large force when the door and window is closed or opened is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to door and window hinge technical field, more specifically, relate to a door and window hinge with buffer shock attenuation structure. BACKGROUND

[0002] Hinge is also called leaf, formal name is hinge, often constitutes two -folding formula, is the component of connecting two parts of object and can make it movable, ordinary hinge is used to cabinet door, window etc. ; Material has iron, copper and stainless steel, the hinge is used, and the door leaf and the door frame are collided with too large sound or produce the huge impact of the door leaf and the door frame, or the wind blows and causes the door leaf and the door frame to collide with too large sound or produce the huge impact of the door leaf and the door frame, which will reduce the service life of the door leaf and the door frame, based on this, the utility model designs door and window hinge with buffer shock attenuation structure to solve the above -mentioned problems. CONTENT OF THE UTILITY MODEL

[0003] 1. TECHNICAL PROBLEM TO BE SOLVED

[0004] The utility model is to provide a door and window hinge with buffer shock attenuation structure to solve the problems in the background art.

[0005] 2. TECHNICAL SCHEME

[0006] A door and window hinge with buffer shock attenuation structure, including leaf one and leaf two, the one side of leaf one close to leaf two is fixedly connected with fixed part, the one side of leaf two close to leaf one is fixedly connected with fixed cylinder, the fixed part and fixed cylinder are connected, the middle part of the inner chamber of fixed cylinder is fixedly connected with baffle, the both sides of baffle are all provided with buffer assembly, the one side of buffer assembly away from baffle is provided with ratchet wheel assembly, ratchet wheel assembly penetrates fixed cylinder and is connected with the fixed part of same side.

[0007] The buffer assembly includes the fixed sleeve fixedly connected on the outer side of baffle, the inner chamber of fixed sleeve is provided with spring, one end of spring is fixedly connected with fixed sleeve, and the other end of spring is fixedly connected with connecting plate, the outer side of connecting plate is fixedly connected with rotating sleeve, the inner chamber of rotating sleeve is provided with rotating rod, the outer side of rotating rod is provided with helical thread, and rotating rod is rotatably connected with rotating rod through helical thread, and rotating rod is connected with ratchet wheel assembly.

[0008] Preferably, the inner wall of the fixed sleeve is provided with a guide groove, the inner chamber of the guide groove is slidably connected with a guide block, and the guide block is fixedly connected with the connecting plate.

[0009] Preferably, the ratchet assembly comprises a fixed plate fixedly connected to the inner wall of the fixed cylinder, a connecting rod rotatably connected to the side of the fixed plate away from the rotating rod, one end of the connecting rod penetrating through the fixed plate and fixedly connected with the rotating rod, and the other end of the connecting rod fixedly connected with a rotating disc, a plurality of detent ratchets fixedly connected to the inner wall of the rotating disc, and a driving assembly arranged in the inner cavity of the rotating disc.

[0010] Preferably, the driving assembly comprises a fixed rod rotatably connected to the inner wall of the fixed cylinder, one end of the fixed rod penetrating through the fixed cylinder and fixedly connected with the fixing piece, and the other end of the fixed rod fixedly connected with a connecting disc, the pawl rotatably connected to the outer side of the connecting disc, the pawl matched with the detent ratchet, and the elastic sheet fixedly connected to the outer side of the pawl and fixedly connected with the connecting disc.

[0011] Preferably, the outer side of the first page sheet and the second page sheet is provided with a mounting hole.

[0012] 3. Beneficial effects

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. In the utility model, the buffer assembly is arranged, so that the rotating rod can be automatically controlled to rotate when the door or window is closed or opened, the connecting plate compresses the spring fixedly connected thereto, the force when the door or window is closed or opened is partially transferred to the spring to store energy, and damage to the door or window caused by the large force when the door or window is closed or opened is avoided.

[0015] 2. In the utility model, the ratchet assembly is arranged, so that the connecting rod can be automatically controlled to reverse when the device ends the closing or opening action of the door or window, the rotating disc is idled, the door or window is prevented from rotating back due to the elastic force of the spring when the closing or opening action of the door or window ends, the use effect of the device is improved, and the practicality of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the overall structure of the utility model;

[0017] Figure 2 It is a sectional view of the fixed cylinder structure of the utility model;

[0018] Figure 3 It is a sectional view of the fixed cylinder structure of the utility model; Figure 2 It is an enlarged view of structure A of the utility model;

[0019] Figure 4 It is a sectional view of the fixed sleeve structure of the utility model.

[0020] Label explanation: 1, page one; 2, page two; 3, fixed part; 4, fixed cylinder; 5, partition; 6, buffer assembly; 61, fixed sleeve; 62, spring; 63, connecting plate; 64, rotating sleeve; 65, rotating rod; 66, helical thread; 67, guide groove; 68, guide block; 7, ratchet assembly; 71, fixed plate; 72, connecting rod; 73, rotating disc; 74, brake ratchet; 75, fixed rod; 76, connecting disc; 77, pawl; 78, spring piece; 8, mounting hole. DETAILED DESCRIPTION

[0021] Embodiment: please refer to Figures 1-4 A door and window hinge with a buffer damping structure, comprising page one 1 and page two 2, the page one 1 is fixedly connected with the fixed part 3 near one side of the page two 2, the page two 2 is fixedly connected with the fixed cylinder 4 near one side of the page one 1, the fixed part 3 and the fixed cylinder 4 are rotatably connected, the inner cavity of the fixed cylinder 4 is fixedly connected with the partition 5 in the middle, the two sides of the partition 5 are provided with the buffer assembly 6, the side away from the partition 5 of the buffer assembly 6 is provided with the ratchet assembly 7, the ratchet assembly 7 penetrates through the fixed cylinder 4 and is connected with the fixed part 3 on the same side, wherein, in order to facilitate the installation of the device, the outer side of the page one 1 and the page two 2 is provided with the mounting hole 8.

[0022] The buffer assembly 6 comprises a fixed sleeve 61 fixedly connected to the outer side of the partition 5, the inner cavity of the fixed sleeve 61 is provided with a spring 62, one end of the spring 62 is fixedly connected with the fixed sleeve 61, and the other end of the spring 62 is fixedly connected with a connecting plate 63, the outer side of the connecting plate 63 is fixedly connected with a rotating sleeve 64, the inner cavity of the rotating sleeve 64 is provided with a rotating rod 65, the outer side of the rotating rod 65 is provided with a helical thread 66, and the rotating rod 65 is rotatably connected with the rotating rod 65 through the helical thread 66, the rotating rod 65 is connected with the ratchet assembly 7, wherein, in order to prevent the rotating sleeve 64 from rotating with the rotating rod 65, the inner wall of the fixed sleeve 61 is provided with a guide groove 67, the inner cavity of the guide groove 67 is slidably connected with a guide block 68, and the guide block 68 is fixedly connected with the connecting plate 63.

[0023] By setting the buffer assembly 6, the user can automatically control the rotating rod 65 to rotate when closing or opening the door and window, so that the connecting plate 63 compresses the spring 62 fixedly connected therewith, so as to partially transfer the force when closing or opening the door and window to the spring 62 for energy storage, thereby avoiding damage to the door and window due to the large force when closing or opening the door and window.

[0024] The ratchet wheel assembly 7 comprises a fixed plate 71 fixedly connected to the inner wall of the fixed cylinder 4, a connecting rod 72 rotatably connected to the side of the fixed plate 71 away from the rotating rod 65, one end of the connecting rod 72 penetrating through the fixed plate 71 and fixedly connected with the rotating rod 65, and the other end of the connecting rod 72 fixedly connected with a rotating disc 73, a plurality of brake ratchets 74 fixedly connected to the inner wall of the rotating disc 73, and a driving assembly arranged in the inner cavity of the rotating disc 73, the driving assembly comprising a fixed rod 75 rotatably connected to the inner wall of the fixed cylinder 4, one end of the fixed rod 75 penetrating through the fixed cylinder 4 and fixedly connected with the fixed part 3, and the other end of the fixed rod 75 fixedly connected with a connecting disc 76, the connecting disc 76 rotatably connected with a pawl 77 on the outer side, the pawl 77 matched with the brake ratchet 74, and the outer side of the pawl 77 fixedly connected with an elastic sheet 78, the elastic sheet 78 fixedly connected with the connecting disc 76.

[0025] By arranging the ratchet wheel assembly 7, the connecting rod 72 can be automatically controlled to reverse when the device ends the closing or opening door and window action, so that the rotating disc 73 idles, and the door and window is prevented from rotating back due to the elastic force of the spring 62 when the device ends the closing or opening door and window action, thereby improving the use effect of the device and the practicality of the device.

[0026] The working principle of the utility model is as follows:

[0027] When the door and window is closed or opened, the fixed part 3 drives the fixed rod 75 fixedly connected therewith to rotate, the fixed rod 75 drives the connecting disc 76 fixedly connected therewith to rotate, the connecting disc 76 drives the pawl 77 to rotate synchronously when rotating, so that the pawl 77 drives the rotating disc 73 to rotate through the brake ratchet 74, the rotating disc 73 drives the connecting rod 72 fixedly connected therewith to rotate when rotating, so that the connecting rod 72 drives the rotating rod 65 fixedly connected therewith to rotate, the rotating rod 65 drives the rotating sleeve 64 to move under the action of the helical thread 66 when rotating, so that the rotating sleeve 64 drives the connecting plate 63 fixedly connected therewith to move synchronously, the connecting plate 63 compresses the spring 62 fixedly connected therewith when moving, thereby buffering the door and window, the spring 62 drives the connecting plate 63 to move upward when the device ends the closing or opening door and window action, so that the rotating rod 65 drives the connecting rod 72 to rotate, at this time, the rotating disc 73 idles, thereby preventing the door and window from rotating back.

[0028] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A door and window hinge with a buffer and shock absorbing structure, comprising a hinge leaf one (1) and a hinge leaf two (2), characterized in that: The fixed part (3) is fixedly connected to the side of the first sheet (1) close to the second sheet (2), the fixed cylinder (4) is fixedly connected to the side of the second sheet (2) close to the first sheet (1), the fixed part (3) and the fixed cylinder (4) are rotationally connected, the inner cavity of the fixed cylinder (4) is fixedly connected with the partition plate (5), the buffer assembly (6) is arranged on the both sides of the partition plate (5), the ratchet assembly (7) is arranged on the side of the buffer assembly (6) away from the partition plate (5), and the ratchet assembly (7) penetrates through the fixed cylinder (4) and is connected with the fixed part (3) on the same side.

2. A door and window hinge with a buffer and shock absorption structure according to claim 1, characterized in that: The buffer assembly (6) comprises a fixed sleeve (61) fixedly connected to the outer side of the partition plate (5), a spring (62) arranged in the inner cavity of the fixed sleeve (61), one end of the spring (62) fixedly connected with the fixed sleeve (61), the other end of the spring (62) fixedly connected with a connecting plate (63), the outer side of the connecting plate (63) fixedly connected with a rotating sleeve (64), the inner cavity of the rotating sleeve (64) provided with a rotating rod (65), the outer side of the rotating rod (65) provided with a helical thread (66), the rotating rod (65) rotationally connected with the rotating rod (65) through the helical thread (66), and the rotating rod (65) connected with the ratchet assembly (7).

3. A door and window hinge with a buffer and shock absorption structure according to claim 2, characterized in that: The inner wall of the fixed sleeve (61) is provided with a guide groove (67), and the inner cavity of the guide groove (67) is slidably connected with a guide block (68).

4. A door and window hinge with a buffer and shock absorption structure according to claim 1, characterized in that: The ratchet assembly (7) comprises a fixed plate (71) fixedly connected to the inner wall of the fixed cylinder (4), a connecting rod (72) rotationally connected to the side of the fixed plate (71) away from the rotating rod (65), one end of the connecting rod (72) penetrating through the fixed plate (71) and fixedly connected with the rotating rod (65), the other end of the connecting rod (72) fixedly connected with a rotating disc (73), a plurality of brake ratchets (74) fixedly connected to the inner wall of the rotating disc (73), and a driving assembly arranged in the inner cavity of the rotating disc (73).

5. A door and window hinge with a buffer and shock absorption structure according to claim 4, characterized in that: The driving assembly comprises a fixed rod (75) rotationally connected to the inner wall of the fixed cylinder (4), one end of the fixed rod (75) penetrating through the fixed cylinder (4) and fixedly connected with the fixed part (3), the other end of the fixed rod (75) fixedly connected with a connecting disc (76), the outer side of the connecting disc (76) rotationally connected with a pawl (77), the pawl (77) matched with the brake ratchet (74), the outer side of the pawl (77) fixedly connected with an elastic sheet (78), and the elastic sheet (78) fixedly connected with the connecting disc (76).

6. A door and window hinge with a buffering and damping structure according to claim 1, characterized in that: The outer sides of the first sheet (1) and the second sheet (2) are provided with mounting holes (8).