Hardware hinge with door opening buffering function

By introducing assistive components into the hardware hinge to limit and adjust the position of the buffer, the structural fracture problem caused by the deformation of the metal column is solved, and the stability and durability of the hinge are improved.

CN223724390UActive Publication Date: 2025-12-26GUANGDONG NUOMI HOME INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423186148.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-12-26
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

After prolonged use, the metal posts of existing hardware hinges are prone to deformation due to the force of the damper, leading to structural breakage and affecting stability and durability.

Method used

Design a hardware hinge with door opening buffer function, using auxiliary components including assembly frame, lead screw, lifting bracket and card holder, etc. These components restrict and adjust the position of the buffer, enhance the installation structure strength of the buffer, and avoid the direct use of metal rods.

Benefits of technology

The installation structure strength of the buffer has been improved, reducing the risk of structural damage after prolonged use and enhancing the stability and durability of the hinge.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of hardware hinges, in particular to a hardware hinge with a door opening buffering function, which comprises a hinge cup, a connecting joint and a hinge arm, the connecting joint is mounted on the inner wall of the hinge cup, the hinge arm is mounted on the surface of the connecting joint, a buffer is arranged in the hinge arm, a connecting arm is mounted at the movable end of the buffer, and the connecting arm is connected with the hinge cup. The connecting arm is fixedly connected with the inner wall of the connecting joint, the hinge arm is internally provided with an assisting assembly, the assisting assembly comprises a first assembling frame, the first assembling frame is fixedly connected with the inner wall of the hinge arm, and the inner wall of the first assembling frame is rotationally connected with a lead screw. According to the hinge, by arranging the assisting assembly, the buffer strength of the buffer can be adjusted while the installation structural strength of the buffer is improved, then the problem that the structure of the buffer is damaged after the buffer is installed through a metal rod and used for a long time is solved, and the structural strength and stability of the hinge are further improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hardware hinge technical field especially relates to a hardware hinge with door opening buffer function. BACKGROUND

[0002] Hardware hinge is a kind of connecting component widely used in the field of furniture, doors and windows, it is usually made of metal material, including hinge cup, hinge arm, base etc., hardware hinge connects two objects, so that they can rotate relative to each other, realize the opening and closing of doors and windows or the opening and closing of furniture cabinet door etc., and its quality directly affects the use convenience, stability and durability of connected objects.

[0003] Prior art such as the utility model with publication number CN220415128U discloses a hardware hinge with door opening buffer function, the patent adopts upper connecting rod and lower connecting rod, upper connecting rod and lower connecting rod are hinged to hinge cup through upper hinge shaft and lower hinge shaft at one end, and are hinged to hinge arm through upper hinge shaft and lower hinge shaft at the other end;The upper connecting rod and the lower connecting rod are provided with a bracket between the upper connecting rod and the lower connecting rod, the bracket is recessed on one side to form a positioning hole, the upper hinge shaft passes through the positioning hole to coaxially hinge the upper connecting rod and the bracket, solve the current furniture door hinge variety, its structure and working principle are different, but its inside is generally provided with buffer device, but the buffer device only buffers the impact force when closing, and there is no corresponding buffer function when hinge is opened, so that when the hinge is opened to the maximum stroke, each connecting rod component runs to the maximum angle and forcibly hits the limiting component, causing the opened cabinet door to bounce back in the opposite direction, causing abnormal noise or repeated shaking.

[0004] In the process of connecting door frame and door body by hardware hinge, there are hardware hinges with buffer on the market, and the buffer is fixed by single metal column, in use, the metal column will be subjected to the action force applied by the buffer, and after long time use, the metal column will be deformed under the action of force, which can seriously cause structure fracture, leading to the problem of hardware hinge damage. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem that in prior art, the metal column will be deformed under the action of force after long time use, which can seriously cause structure fracture, leading to the problem of hardware hinge damage, and provides a hardware hinge with door opening buffer function.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a hardware hinge with door opening buffer function, including hinge cup, connecting joint and hinge arm, the connecting joint is installed in the inner wall of hinge cup, the hinge arm is installed in the surface of connecting joint, the inside of hinge arm is provided with buffer, the movable end of buffer is installed with connecting arm, the inner wall fixed connection of connecting arm with connecting joint, the inside of hinge arm is provided with assisting assembly, the assisting assembly includes assembly frame no.

[0007] Preferably, the surface of the card frame and the buckle frame is provided with a jack, the inner wall of the jack is provided with a fixing screw, and the position of the buffer can be limited in the locked state through the cooperation of the card frame and the buckle frame.

[0008] Preferably, the inner wall of the assembly frame no.

[0009] Preferably, one end of the screw rod is fixedly connected with an internal hexagonal nut, and the screw rod can be rotated by the internal hexagonal nut, so that the screw rod is conveniently operated to rotate.

[0010] Preferably, the arc surface of the assembly frame no.

[0011] Preferably, the surface of the jacking frame no.

[0012] Preferably, the surface of the sliding block no.

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

[0014] In the utility model, through setting up the assisting assembly, the buffer strength adjustment can be realized while increasing the strength of the buffer mounting structure, thereby reducing the problem of damage of the structure after long time use of the buffer mounted through the metal rod, and further improving the hinge structure strength and stability. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic view of the hardware hinge with the door opening buffering function is provided for the utility model;

[0016] Figure 2 A bottom view structure schematic view of the hardware hinge with the door opening buffering function is provided for the utility model;

[0017] Figure 3 An assisting assembly structure schematic view of the hardware hinge with the door opening buffering function is provided for the utility model;

[0018] Figure 4 A bottom view structure schematic view of the assisting assembly of the hardware hinge with the door opening buffering function is provided for the utility model;

[0019] Figure 5 A three-dimensional structure schematic view of the hardware hinge with the door opening buffering function is provided for the utility model; Figure 4 A structure schematic view of the hardware hinge with the door opening buffering function is provided for the utility model.

[0020] LEGEND:

[0021] 1, hinge cup; 2, connecting joint; 3, hinge arm; 4, buffer; 5, connecting arm; 6, assisting assembly; 61, assembly frame one; 62, screw rod; 63, assembly frame two; 64, jacking frame one; 65, buckle frame; 66, jacking frame two; 67, clamping frame; 68, fixing screw; 69, guide rod; 610, sliding block one; 611, sliding block two; 612, internal hexagonal nut. DETAILED DESCRIPTION

[0022] Please refer to Figures 1-5 The utility model provides a technical scheme: a hardware hinge with door opening buffering function, including hinge cup 1, connecting joint 2 and hinge arm 3, connecting joint 2 is installed in the inner wall of hinge cup 1, hinge arm 3 is installed in the surface of connecting joint 2, the inside of hinge arm 3 is provided with buffer 4, the movable end of buffer 4 is installed with connecting arm 5, and connecting arm 5 is fixedly connected with the inner wall of connecting joint 2, and the inside of hinge arm 3 is provided with assisting assembly 6.

[0023] In the embodiment, the assisting assembly 6 comprises an assembling frame 61, the assembling frame 61 is fixedly connected with the inner wall of the hinge arm 3, the inner wall of the assembling frame 61 is rotationally connected with a lead screw 62, the inner wall of the hinge arm 3 is fixedly connected with an assembling frame 63, the inner wall of the assembling frame 61 is slidably connected with a jacking frame 64, the surface of the jacking frame 64 is mounted with a clamping frame 65, the surface of the clamping frame 65 is in contact with the surface of the buffer 4, the inner wall of the assembling frame 61 is slidably connected with a jacking frame 66, the surface of the jacking frame 66 is mounted with a clamping frame 67, and the clamping frame 67 is sleeved with the surface of the buffer 4.

[0024] Specifically, the surface of the clamping frame 67 and the surface of the clamping frame 65 are both provided with a jack, and the inner wall of the jack is provided with a fixing screw 68, and the cooperation of the clamping frame 67 and the clamping frame 65 can limit the position of the buffer 4 in the locked state.

[0025] Specifically, the inner wall of the assembling frame 63 is fixedly connected with a guide rod 69, the inner wall of the assembling frame 63 is slidably connected with a sliding block 610, and the inner wall of the assembling frame 63 is slidably connected with a sliding block 611.

[0026] In the embodiment, the cooperation of the sliding block 610 and the guide rod 69 can guide the end of the clamping frame 67 away from the jacking frame 64.

[0027] Specifically, one end of the lead screw 62 is fixedly connected with an inner hexagonal nut 612, and the inner hexagonal nut 612 can be used to rotate the lead screw 62 by the staff, so as to facilitate the rotation of the lead screw 62.

[0028] In the embodiment, the assembling frame 61 is in contact with the arc surface of the buffer 4, and the assembling frame 63 is in contact with the arc surface of the buffer 4.

[0029] In the embodiment, the cooperation of the assembling frame 61 and the assembling frame 63 can preliminarily constrain the position of the buffer 4.

[0030] Specifically, the jacking frame 64 is threadedly connected with the surface of the lead screw 62, the jacking frame 66 is threadedly connected with the surface of the lead screw 62, the surface of the jacking frame 64 and the surface of the jacking frame 66 are both provided with a threaded groove, the fixing screw 68 is threadedly connected with the inner wall of the threaded groove, and the cooperation of the jacking frame 66 and the lead screw 62 can adjust the position of the clamping frame 67 during the rotation of the lead screw 62 by the staff.

[0031] Specifically, the surface of the sliding block 610 and the surface of the sliding block 611 are both provided with a circular hole, the guide rod 69 is inserted into the inner wall of the circular hole, the surface of the sliding block 610 is in contact with the surface of the clamping frame 65, the surface of the sliding block 611 is in contact with the surface of the clamping frame 67, the surface of the sliding block 610 and the surface of the sliding block 611 are both provided with a positioning groove, and the fixing screw 68 is threadedly connected with the inner wall of the positioning groove.

[0032] In this embodiment: through the cooperation of slider one 610 and a certain energy rod, the end of buckle frame 65 away from jacking frame one 64 can be guided.

[0033] Working principle: when the hinge is bent, the buffer 4 at the joint of the taken piece and the hinge arm 3 will cooperate with the connecting arm 5, and will absorb the impact force generated when the hinge arm 3 is bent, so as to reduce the damage of the impact generated by the hinge to itself and the door body; when installing the buffer 4, place the buffer 4 in the mounting area formed by assembly frame one 61 and assembly frame two 63, then set the clamping frame 67 on the surface of the buffer 4, and fix the clamping frame 67 on the surface of jacking frame two 66 and slider two 611 by means of fixing screw 68, after the fixation of the clamping frame 67 is completed, take out the buckle frame 65, install the buckle frame 65 to the end of the buffer 4 away from the clamping frame 67, and at the same time install the clamping frame 67, fix the clamping frame 67 on the surface of jacking frame one 64 and slider one 610 by means of fixing screw 68, after the fixation of the buckle frame 65 is completed, the buckle frame 65 can cooperate with the clamping frame 67 to limit the position of the buffer 4 in the mounting area formed by assembly frame one 61 and assembly frame two 63; when the buffer strength of the buffer 4 needs to be adjusted, rotate the inner hexagonal nut 612, the inner hexagonal nut 612 rotates the lead screw 62, the lead screw 62 rotates while engaging with jacking frame one 64 and jacking frame two 66, jacking frame one 64 and jacking frame two 66 drive buckle frame 65 and clamping frame 67 to move under the action of lead screw 62, buckle frame 65 and clamping frame 67 drive the buffer part of buffer 4 to move when moving, so as to realize the adjustment of the buffer strength of buffer 4, by setting the auxiliary assembly 6, the buffer strength of the buffer 4 can be adjusted while increasing the strength of the buffer 4 installation structure, thereby reducing the problem that the structure of the buffer 4 will be damaged after long-term use by installing through metal rods, and further improving the hinge structure strength and stability.

Claims

1. A hardware hinge with door opening buffering function, comprising a hinge cup (1), a connecting joint (2) and a hinge arm (3), characterized in that: The connecting joint (2) is installed on the inner wall of the hinge cup (1), the hinge arm (3) is installed on the surface of the connecting joint (2), the inside of the hinge arm (3) is provided with a buffer (4), the movable end of the buffer (4) is installed with a connecting arm (5), the connecting arm (5) is fixedly connected with the inner wall of the connecting joint (2), the inside of the hinge arm (3) is provided with an assisting assembly (6), the assisting assembly (6) comprises an assembling frame one (61), the assembling frame one (61) is fixedly connected with the inner wall of the hinge arm (3), the inner wall of the assembling frame one (61) is rotatably connected with a lead screw (62), the inner wall of the hinge arm (3) is fixedly connected with an assembling frame two (63), the inner wall of the assembling frame one (61) is slidably connected with a jacking frame one (64), the surface of the jacking frame one (64) is installed with a buckle frame (65), the surface of the buckle frame (65) is in contact with the surface of the buffer (4), the inner wall of the assembling frame one (61) is slidably connected with a jacking frame two (66), the surface of the jacking frame two (66) is installed with a clamping frame (67), and the clamping frame (67) is sleeved with the surface of the buffer (4).

2. The hardware hinge with door opening buffering function according to claim 1, characterized in that: The surface of the clamping frame (67) and the surface of the buckle frame (65) are both provided with a jack, and the inner wall of the jack is provided with a fixing screw (68).

3. The hardware hinge with door opening buffering function according to claim 1, characterized in that: The inner wall of the assembling frame two (63) is fixedly connected with a guide rod (69), the inner wall of the assembling frame two (63) is slidably connected with a sliding block one (610), and the inner wall of the assembling frame two (63) is slidably connected with a sliding block two (611).

4. The hardware hinge with door opening buffering function according to claim 1, characterized in that: One end of the lead screw (62) is fixedly connected with an internal hexagonal nut (612).

5. The hardware hinge with door opening buffering function according to claim 1, characterized in that: The arc surface of the assembling frame one (61) is in contact with the arc surface of the buffer (4), and the arc surface of the assembling frame two (63) is in contact with the arc surface of the buffer (4).

6. The hardware hinge with door opening buffering function according to claim 1, characterized in that: The surface of the jacking frame one (64) is threadedly connected with the surface of the lead screw (62), the surface of the jacking frame two (66) is threadedly connected with the surface of the lead screw (62), the surface of the jacking frame one (64) and the surface of the jacking frame two (66) are both provided with a threaded groove, and the fixing screw (68) is threadedly connected with the inner wall of the threaded groove.

7. The hardware hinge with door opening buffering function according to claim 3, characterized in that: The surface of the sliding block one (610) and the surface of the sliding block two (611) are both provided with a circular hole, the guide rod (69) is inserted into the inner wall of the circular hole, the surface of the sliding block one (610) is in contact with the surface of the buckle frame (65), the surface of the sliding block two (611) is in contact with the surface of the clamping frame (67), the surface of the sliding block one (610) and the surface of the sliding block two (611) are both provided with a positioning groove, and the fixing screw (68) is threadedly connected with the inner wall of the positioning groove.

Citation Information

Patent Citations

  • Hardware hinge with door opening buffering function

    CN220415128U