Hardware hinge with widened hinge plate

By introducing lubricating components and dust plugs into the hardware hinge, the rotational sluggishness and abnormal noise caused by the lack of lubricating structure of the hardware hinge is solved, and the convenience and stability are improved.

CN223305577UActive Publication Date: 2025-09-05CHONGQING DILI TECHNOLOGY CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422372672.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-28
Publication Date
2025-09-05
Estimated Expiration
2034-09-28

AI Technical Summary

Technical Problem

During long-term use, the existing hardware hinges have a sluggish rotation and abnormal noise, which is inconvenient to use.

Method used

A hardware hinge with lubricating components is designed, including a lubricating sleeve and a rotating sleeve, which can fill lubricating oil through oil filling gaps and oil filling holes, and is equipped with a dust plug to prevent impurities from entering, improving the lubricating effect.

Benefits of technology

It effectively avoids rotational sluggishness and abnormal noise, improves the convenience and stability of use, and enhances the load-bearing capacity of the device.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223305577U_ABST
    Figure CN223305577U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of hardware hinges, and discloses a hardware hinge with a widened hinge plate, which comprises a shaft core, a lubricating component and a reinforcing component, the lubricating component and the reinforcing component are arranged outside the shaft core, the lubricating component comprises a pair of lubricating sleeves fixedly connected to the peripheral wall of the shaft core, and the lubricating sleeves are arranged in a circular truncated cone structure. The bottom end of the outer peripheral wall of each lubricating sleeve is rotationally connected with a rotating sleeve, and an oil injection gap is formed between the inner peripheral wall of each rotating sleeve and the top end of the outer peripheral wall of the corresponding lubricating sleeve. The effect of improving the use convenience of the device is achieved, the lubricating sleeve of a circular-truncated-cone-shaped structure is rotationally connected with the rotating sleeve, the oil injection gap between the outer circumferential wall of the lubricating sleeve and the inner circumferential wall of the rotating sleeve is reserved, lubricating oil is injected through the oil injection hole communicated with the oil injection gap, and the lubricating effect is improved. And the problem that the device is not provided with a corresponding structure for filling lubricating oil and is inconvenient to use is solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of hardware hinges, in particular to a hardware hinge with a widened leaf plate. Background Art

[0002] Hardware hinges, commonly known as hinges, are responsible for connecting the cabinet body and door panels. They are the most tested in daily cabinet use. There are many different hinges on the market, and you can choose the right one based on your needs. Hardware hinges can become sluggish and make unusual noises when working under load for extended periods.

[0003] A search revealed a Chinese patent application with publication number CN221256450U, which discloses a hardware hinge with a widened leaf plate. The hardware hinge with a widened leaf plate comprises a leaf plate mechanism and a sub-plate connection mechanism. The leaf plate mechanism includes a first round rod, a first connecting column, two first connecting sleeves, two limiting cylinders, two second connecting sleeves, a third connecting sleeve, a first leaf plate, and a second leaf plate. The first connecting column is fixedly mounted on the first round rod, the two first connecting sleeves are movably mounted on the first round rod, the two limiting cylinders are movably mounted within the first round rod, the two limiting cylinders are located between the two first connecting sleeves, and the two second connecting sleeves are movably mounted on the first round rod.

[0004] The device is easy to operate and is convenient for widening, disassembling and assembling the hinge, thereby improving the flexibility of hinge use.

[0005] However, the device still has the following problems: the connecting sleeve 1, the limiting cylinder and the connecting sleeve 2 of the device are all movably installed on the outer peripheral wall of the round rod 1. During the use of the device, rotational friction is generated between the connecting sleeve 1 and the limiting cylinder, as well as between the connecting sleeve 2 and the round rod 1. During long-term use, the wear caused by the rotational friction can easily cause the device to stagnate and make abnormal noises during use. The device does not have a corresponding structure for adding lubricating oil, which makes it inconvenient to use. Utility Model Content

[0006] (1) Technical problems solved

[0007] In view of the deficiencies of the prior art, the present invention provides a hardware hinge with a widened leaf plate, which solves the problem that the above device has no corresponding structure for filling lubricating oil and is inconvenient to use.

[0008] (2) Technical solution

[0009] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a hardware hinge with a widened leaf plate, comprising a shaft core, and also comprising a lubrication component and a reinforcement component arranged outside the shaft core;

[0010] The lubrication assembly includes a pair of lubrication sleeves fixedly connected to the outer peripheral wall of the shaft core, and the lubrication sleeves are all arranged in a truncated cone structure. The bottom end of the outer peripheral wall of each lubrication sleeve is rotatably connected to a rotating sleeve, and an oil filling gap is formed between the inner peripheral wall of each rotating sleeve and the top end of the outer peripheral wall of the lubrication sleeve. An oil filling hole connected to the oil filling gap is opened at one end of each rotating sleeve, and a dust plug is inserted at one end of each oil filling hole.

[0011] Preferably, a threaded end is provided at the bottom end of the outer peripheral wall of the shaft core, one end of the threaded end is threadedly connected to a fastening nut, and the other end of the threaded end is threadedly connected to a fastening gasket.

[0012] Preferably, a connecting block is fixedly connected to one side of the outer peripheral wall of each rotating sleeve.

[0013] Preferably, the reinforcement assembly includes a pair of main plates respectively fixedly connected to one end of a pair of connecting blocks, and one end of each of the main plates is provided with a plurality of evenly distributed main fastening holes.

[0014] Preferably, a secondary page plate is fixedly connected to one side of the outer wall of each main page plate, and a plurality of evenly distributed secondary fastening holes are opened at one end of each secondary page plate.

[0015] Preferably, the inner diameter of each of the secondary fastening holes is larger than the inner diameter of the main fastening hole.

[0016] (3) Beneficial effects

[0017] 1. The hardware hinge with a widened leaf plate is rotatably connected to the rotating sleeve through a lubricating sleeve arranged in a truncated cone structure, so that an oil filling gap is formed between the top of the outer peripheral wall of the lubricating sleeve and the inner peripheral wall of the rotating sleeve. The lubricating oil can be added through the oil filling hole connected to the oil filling gap, avoiding the rotation stagnation and abnormal rotation noise of the device, and effectively improving the convenience of using the device.

[0018] 2. The hardware hinge with a widened leaf plate is easy to operate and cleverly designed. The dust plug that matches the oil filling hole is set to prevent foreign matter from entering the oil filling gap and affecting the lubrication effect between the rotating sleeve and the lubricating sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first perspective;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from a second viewing angle;

[0021] Figure 3 This is a schematic diagram of a half-cutaway three-dimensional structure of some components of the present invention;

[0022] Figure 4 This is a schematic diagram of the exploded structure of part of the lubrication component of the utility model.

[0023] In the figure: 1. Shaft core; 2. Rotating sleeve; 3. Connecting block; 4. Main page plate; 5. Main fastening hole; 6. Auxiliary page plate; 7. Auxiliary fastening hole; 8. Threaded end; 9. Fastening nut; 10. Fastening gasket; 11. Lubricating sleeve; 12. Oil filling gap; 13. Oil filling hole; 14. Dust plug. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Example: Figure 1 As shown, a hardware hinge with a widened leaf plate includes a shaft core 1, wherein the shaft core 1 is made of a composite steel core material to enhance the overall structural strength and stability of the device, and is characterized in that it also includes a lubrication component and a reinforcement component arranged outside the shaft core 1;

[0026] like Figure 2-Figure 4As shown, in a certain embodiment, in order to improve the convenience of using the device, the lubrication assembly includes a pair of lubrication sleeves 11 fixedly connected to the outer peripheral wall of the shaft core 1 by welding, and the lubrication sleeves 11 are all arranged in a truncated cone-shaped structure, wherein the lubrication sleeves 11 are made of aluminum alloy casting to improve the structural strength of the lubrication sleeves 11, and the bottom end of the outer peripheral wall of each of the lubrication sleeves 11 is rotatably connected to a rotating sleeve 2, wherein the rotating sleeve 2 is forged by a composite metal material to improve the structural strength and service life of the rotating sleeve 2, wherein the outer surface of the lubrication sleeve 11 is polished and smoothed to reduce the wear between the lubrication sleeve 11 and the rotating sleeve 2, and an oiling gap 12 is formed between the inner peripheral wall of each rotating sleeve 2 and the top end of the outer peripheral wall of the lubrication sleeve 11, and the setting of the oiling gap 12 facilitates the oiling of the lubrication sleeve. Lubricating oil is added between 11 and the rotating sleeve 2, and an oil filling hole 13 connected to the oil filling gap 12 is opened at one end of each rotating sleeve 2, and a dust plug 14 is inserted at one end of each oil filling hole 13, wherein the dust plug 14 is made of composite rubber material to improve the sealing between the dust plug 14 and the oil filling hole 13, wherein the dust plug 14 prevents external impurities from entering the oil filling gap 12, and increases the rotational friction between the lubricating sleeve 11 and the rotating sleeve 2. A threaded end 8 is provided at the bottom end of the outer peripheral wall of the shaft core 1, and one end of the threaded end 8 is threadedly connected to a fastening nut 9, and the other end of the threaded end 8 is threadedly connected to a fastening gasket 10. The mutual cooperation between the fastening nut 9 and the fastening gasket 10 improves the stability of the device, and a connecting block 3 is fixedly connected to one side of the outer peripheral wall of each rotating sleeve 2.

[0027] like Figure 1 and Figure 2 As shown, in a certain embodiment, in order to further improve the stability of the device, the reinforcement assembly includes a pair of main plates 4 fixedly connected to one end of a pair of connecting blocks 3 by welding, and a plurality of evenly distributed main fastening holes 5 are provided at one end of each of the main plates 4. A secondary plate 6 is fixedly connected to one side of the outer wall of each of the main plates 4 by welding, and a plurality of evenly distributed secondary fastening holes 7 are provided at one end of each of the secondary plate 6, wherein the inner circumferential walls of the main fastening holes 5 and the secondary fastening holes 7 are provided with threads, which facilitates fixing the device to a specified position by fastening bolts, and the inner diameter of each of the secondary fastening holes 7 is larger than the inner diameter of the main fastening holes 5, so that the diameter of the fastening bolts arranged in the secondary fastening holes 7 is larger, thereby improving the bearing capacity of the device.

[0028] Working principle: When in use, first fix the device in the specified position through the fastening bolts that are compatible with the main fastening hole 5 and the secondary fastening hole 7, wherein the inner diameter of the secondary fastening hole 7 is larger than the inner diameter of the main fastening hole 5, and the diameter of the fastening bolts set in the secondary fastening hole 7 is increased, thereby increasing the bearing capacity of the device and effectively improving the stability of the device. Then, the lubricating oil is added into the oil filling gap 12 through the oil filling hole 13, and then the lubricating oil is immersed in the rotating sleeve 2 and the lubricating sleeve 11 through the rotation between the rotating sleeve 2 and the lubricating sleeve 11, reducing the wear caused by the rotational friction between the rotating sleeve 2 and the lubricating sleeve 11, and then the dust plug 14 is inserted into one end of the oil filling hole 13 to prevent external impurities from entering the oil filling gap 12 and affecting the lubrication effect between the rotating sleeve 2 and the lubricating sleeve 11. Regularly pull out the dust plug 14 and add lubricating oil through the oil filling hole 13 to avoid rotation stagnation and abnormal noise in the device, effectively improving the convenience of using the device.

[0029] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hardware hinge with a widened leaf plate, comprising a shaft core (1), characterized in that: It also includes a lubrication component and a reinforcement component arranged outside the shaft core (1); The lubrication assembly comprises a pair of lubricating sleeves (11) fixedly connected to the outer peripheral wall of the shaft core (1), and the lubricating sleeves (11) are all arranged in a truncated cone-shaped structure. The bottom end of the outer peripheral wall of each lubricating sleeve (11) is rotatably connected to a rotating sleeve (2), and an oil filling gap (12) is formed between the inner peripheral wall of each rotating sleeve (2) and the top end of the outer peripheral wall of the lubricating sleeve (11). One end of each rotating sleeve (2) is provided with an oil filling hole (13) connected to the oil filling gap (12), and one end of each oil filling hole (13) is inserted with a dust plug (14).

2. The hardware hinge with a widened leaf plate according to claim 1, characterized in that: A threaded end (8) is provided at the bottom end of the outer peripheral wall of the shaft core (1), one end of the threaded end (8) is threadedly connected to a fastening nut (9), and the other end of the threaded end (8) is threadedly connected to a fastening gasket (10).

3. The hardware hinge with a widened leaf plate according to claim 1, characterized in that: One side of the outer peripheral wall of each rotating sleeve (2) is fixedly connected with a connecting block (3).

4. The hardware hinge with a widened leaf plate according to claim 1, characterized in that: The reinforcement assembly comprises a pair of main plates (4) respectively fixedly connected to one end of a pair of connecting blocks (3), and one end of each main plate (4) is provided with a plurality of evenly distributed main fastening holes (5).

5. The hardware hinge with a widened leaf plate according to claim 4, characterized in that: A secondary page plate (6) is fixedly connected to one side of the outer wall of each main page plate (4), and a plurality of evenly distributed secondary fastening holes (7) are provided at one end of each secondary page plate (6).

6. The hardware hinge with a widened leaf plate according to claim 5, characterized in that: The inner diameter of each of the secondary fastening holes (7) is greater than the inner diameter of the main fastening hole (5).

Citation Information

Patent Citations

  • Hardware hinge with widened hinge plate

    CN221256450U