Hardware hinge

Abstract

The utility model discloses a hardware hinge in the field of hinges, which comprises a connecting hinge, a connecting plate and a bottom plate, the connecting hinge and the connecting plate are integrally formed, and the top surfaces of the connecting hinge, the connecting plate and the bottom plate are respectively coated with an alcohol acid magnetic coating layer, an epoxy iron red coating layer and an iron red phenolic aldehyde coating layer. The surface of the alkyd magnetic coating layer is coated with the epoxy iron red coating layer, the surface of the epoxy iron red coating layer is coated with the iron red phenolic aldehyde coating layer, the surface of the bottom plate is provided with an attaching part, the top face of the attaching part makes contact with the surface of the connecting plate, and the top face of the bottom plate is bent to form a bent part. According to the hardware hinge disclosed by the utility model, the alkyd magnetic coating layer, the epoxy iron red coating layer and the iron red phenolic aldehyde coating layer are sequentially coated on the top surfaces of the connecting hinge, the connecting plate and the bottom plate, so that the corrosion resistance of the hardware hinge is remarkably improved by the multilayer composite coating.

Description

Technical Field

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

[0002] A hardware hinge, also known as a hinge, is a commonly used hardware fitting in furniture, doors and windows and other components. It is mainly used for connecting or rotating devices to enable doors, covers or other swinging components to rotate smoothly. The hinges are made of various materials, including iron, copper, stainless steel, galvanized iron, zinc alloy, etc. Hinges made of different materials have different characteristics and uses. For example, stainless steel hinges are corrosion-resistant and have high strength, suitable for use in humid or harsh environments; copper hinges are beautiful and generous, and are often used in high-end furniture and decoration.

[0003] Publication (Announcement) No.: CN213330551, discloses a hinge, including a first hinge plate, a second hinge plate and a core shaft. A core shaft female sleeve is provided on the core shaft installation side of the first hinge plate. The core shaft female sleeve starts from the lower part of the first hinge plate. A core shaft male sleeve is provided on the core shaft installation side of the second hinge plate. The core shaft male sleeve starts from the upper part of the second hinge plate. The lower end of the core shaft is inserted into the core shaft female sleeve of the first hinge plate, and the upper end is inserted into the core shaft male sleeve of the second hinge plate. The first hinge plate and the second hinge plate can rotate relative to each other; the opposite surfaces of the core shaft female sleeve and the core shaft male sleeve are of an inclined cutting surface structure. The inclined cutting surface of the core shaft female sleeve is a downhill inclined cutting surface with a higher inner side and a lower outer side, and the inclined cutting surface of the core shaft male sleeve is an uphill inclined cutting surface with a lower inner side and a higher outer side. In the closed state of the door body, the downhill inclined cutting surface and the uphill inclined cutting surface coincide with each other; the second hinge plate and the core shaft can be quickly disassembled and separated from the first hinge plate to realize the quick disassembly of the door body, and the hinge automatically returns to its position in the open state of the door body to realize the automatic closing of the door.

[0004] The hinge with the above structure also has the following defects: the core shaft is too thin, and the first hinge plate and the second hinge plate are too thin. Therefore, the hinge is prone to deformation or fracture when bearing loads, and the overall structural strength is low. There is no support structure on the surfaces of the first hinge plate and the second hinge plate, and they are only installed by screws. The installation area is small, so the installation is unstable. Without a support structure to provide additional support, it is easy to loosen after installation, resulting in unstable installation. Moreover, the first hinge plate and the second hinge plate are only composed of a single layer structure, and no corrosion-resistant layer structure is coated on the surface. It is prone to oxidation or corrosion in humid or corrosive environments. Without surface treatment, the corrosion resistance of the hinge is poor, and the hinge is easy to be corroded, reducing the service life. Summary of the Utility Model

[0005] In order to overcome the deficiencies of the prior art solutions, the utility model provides a hardware hinge, which can effectively solve the technical problems of low structural strength, unstable installation and poor corrosion resistance of the existing hinge.

[0006] The technical solution adopted by the present utility model to solve its technical problems is as follows: A hardware hinge, comprising a connecting page, a connecting plate and a bottom plate. The connecting page and the connecting plate are integrally formed. The top surfaces of the connecting page, the connecting plate and the bottom plate are all coated with an alkyd enamel coating layer, an epoxy iron red coating layer and an iron red phenolic coating layer. The epoxy iron red coating layer is coated on the surface of the alkyd enamel coating layer, and the iron red phenolic coating layer is coated on the surface of the epoxy iron red coating layer. A fitting portion is provided on the surface of the bottom plate, and the top surface of the fitting portion is in contact with the surface of the connecting plate. The top surface of the bottom plate is bent to form a bending portion.

[0007] Further, the bottom surfaces of the connecting page, the connecting plate and the bottom plate are all coated with a fluorocarbon coating layer.

[0008] Further, two mounting holes are provided on the surface of the connecting page, and the two mounting holes are symmetrically distributed. A positioning hole and an oval hole are provided on the surface of the bottom plate.

[0009] Further, the outer surfaces of the connecting page, the connecting plate and the bottom plate are all smooth surfaces.

[0010] Further, a square groove is provided on the top surface of the bottom plate, and a screw hole and a U-shaped groove are provided on the surface of the connecting plate. The screw hole and the U-shaped groove are both used for installing screws.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: For a hardware hinge of the present utility model, the connecting page and the connecting plate are integrally formed, significantly improving the overall structural strength of the hinge, reducing the risk of deformation or fracture when bearing loads. By coating the alkyd enamel coating layer, the epoxy iron red coating layer and the iron red phenolic coating layer on the top surfaces of the connecting page, the connecting plate and the bottom plate, the multi-layer composite coating significantly improves the corrosion resistance of the hardware hinge. The alkyd enamel coating layer provides basic protection, the epoxy iron red coating layer enhances the rust prevention ability, and the iron red phenolic coating layer further improves the wear resistance of the coating, greatly increasing the service life of the hardware hinge. By providing a fitting portion, the bottom plate can be closely attached to the connecting plate, enhancing the overall stability of the hardware hinge. The bending portion provides additional support and fixing points, further improving the load-bearing capacity and installation stability of the hardware hinge, making the hardware hinge stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a three-dimensional view of a hardware hinge of the present utility model;

[0013] Figure 2 is a structural schematic diagram of the connecting page and the connecting plate of a hardware hinge of the present utility model;

[0014] Figure 3 is a structural schematic diagram of the bottom plate of a hardware hinge of the present utility model;

[0015] Figure 4 This is a cross-sectional view of the bottom plate of a hardware hinge of the present utility model.

[0016] Reference numerals in the figure:

[0017] 1 - connecting page; 2 - connecting plate; 3 - bottom plate; 4 - mounting hole; 5 - U-shaped groove; 6 - screw hole; 7 - oval hole; 8 - positioning hole; 9 - fitting portion; 10 - bending portion; 11 - square groove; 12 - iron red phenolic coating layer; 13 - epoxy iron red coating layer; 14 - alkyd magnetic coating layer; 15 - fluorocarbon coating layer. Specific embodiments

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] As Figures 1 - 4As shown in the figure, a hardware hinge includes a connecting page 1, a connecting plate 2 and a bottom plate 3. The connecting page 1 and the connecting plate 2 are integrally formed. The top surfaces of the connecting page 1, the connecting plate 2 and the bottom plate 3 are all coated with an alkyd magnetic paint layer 14, an epoxy iron red paint layer 13 and an iron red phenolic paint layer 12. The epoxy iron red paint layer 13 is coated on the surface of the alkyd magnetic paint layer 14, and the iron red phenolic paint layer 12 is coated on the surface of the epoxy iron red paint layer 13. A fitting portion 9 is provided on the surface of the bottom plate 3, and the top surface of the fitting portion 9 is in contact with the surface of the connecting plate 2. The top surface of the bottom plate 3 is bent to form a bending portion 10. The bottom surfaces of the connecting page 1, the connecting plate 2 and the bottom plate 3 are all coated with a fluorocarbon paint layer 15. Two mounting holes 4 are provided on the surface of the connecting page 1, and the two mounting holes 4 are symmetrically distributed. A positioning hole 8 and an oval hole 7 are provided on the surface of the bottom plate 3. The outer surfaces of the connecting page 1, the connecting plate 2 and the bottom plate 3 are all smooth surfaces. A square groove 11 is provided on the top surface of the bottom plate 3, and a screw hole 6 and a U-shaped groove 5 are provided on the surface of the connecting plate 2. Both the screw hole 6 and the U-shaped groove 5 are used to install screws. The paint layer not only enhances the rust and corrosion resistance of the hardware hinge, but also improves its surface hardness and wear resistance. The overlapping use of multiple paint layers enables the hardware hinge to be used for a long time without being easily corroded. The setting of the fitting portion 9 enables the bottom plate 3 to closely fit the connecting plate 2, enhancing the overall stability of the hardware hinge. The design of the bending portion 10 provides additional support and fixing points, further improving the load-bearing capacity and installation stability of the hardware hinge. The smooth outer surface not only improves the aesthetics of the hardware hinge, but also reduces friction and resistance during daily use, making the opening and closing of the hardware hinge smoother. At the same time, the smooth surface is also easier to clean and maintain. The settings of the square groove 11, the screw hole 6 and the U-shaped groove 5 provide various options and conveniences for installing screws, enabling the hardware hinge to be applicable to more types of installation scenarios and requirements.

[0020] In a hardware hinge of this embodiment, the connecting page 1 and the connecting plate 2 are integrally formed, significantly improving the overall structural strength of the hinge. By coating the alkyd magnetic paint layer 14, the epoxy iron red paint layer 13 and the iron red phenolic paint layer 12 on the top surfaces of the connecting page 1, the connecting plate 2 and the bottom plate 3, this multi-layer composite coating significantly improves the corrosion resistance of the hardware hinge. The alkyd magnetic paint layer 14 provides basic protection, the epoxy iron red paint layer 13 enhances the rust resistance, and the iron red phenolic paint layer 12 further improves the wear resistance of the coating, greatly extending the service life of the hardware hinge. The settings of the screw hole 6, the U-shaped groove 5 on the connecting plate 2 and the positioning hole 8 and the oval hole 7 on the bottom plate 3 not only provide flexible and diverse options for installing screws, but also simplify the installation process and improve the installation efficiency.

[0021] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A hardware hinge, comprising a connecting page, a connecting plate and a bottom plate, characterized in that: The connection page and the connection plate are integrally formed. The top surfaces of the connection page, the connection plate, and the bottom plate are all coated with an alkyd enamel coating layer, an epoxy iron oxide red coating layer, and an iron red phenolic coating layer. The epoxy iron oxide red coating layer is coated on the surface of the alkyd enamel coating layer, and the iron red phenolic coating layer is coated on the surface of the epoxy iron oxide red coating layer. A fitting portion is provided on the surface of the bottom plate, and the top surface of the fitting portion is in contact with the surface of the connection plate. The top surface of the bottom plate is bent to form a bending portion.

2. The hardware hinge according to claim 1, wherein: The bottom surfaces of the connection page, the connection plate, and the bottom plate are all coated with a fluorocarbon coating layer.

3. A hardware hinge according to claim 1, characterized in that: Two mounting holes are provided on the surface of the connection page, and the two mounting holes are symmetrically distributed. A positioning hole and an oval hole are provided on the surface of the bottom plate.

4. A hardware hinge according to claim 1, characterized in that: The outer surfaces of the connection page, the connection plate, and the bottom plate are all smooth surfaces.

5. A hardware hinge according to any one of claims 1-4, characterized in that: A square groove is provided on the top surface of the bottom plate, and a screw hole and a U-shaped groove are provided on the surface of the connection plate. Both the screw hole and the U-shaped groove are used for installing screws.

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