Flange with multi-layer anti-rust structure

By applying a multi-layer anti-rust structure on the flange, including a combination of an internal anti-rust layer and an external anti-rust layer, the problem of rust prone to existing flanges is solved, significantly improving the anti-rust performance and extending the service life.

CN222316236UActive Publication Date: 2025-01-07CHANGZHOU FENGLE PRECISION FORGING CO LTD
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Patent Information

Application Number
CN202420901846.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-28
Publication Date
2025-01-07
Estimated Expiration
2034-04-28

AI Technical Summary

Technical Problem

The existing flanges lack rust protection mechanism, which leads to rust easily during use and reduces their service life.

Method used

Using a multi-layer anti-rust structure, including an internal anti-rust layer (iron-pox phenolic anti-rust coating and acrylic anti-rust coating) and an external anti-rust layer (iron-red alkyd anti-rust coating and epoxy resin coating) to Provides two layers of rust protection.

Benefits of technology

It significantly improves the anti-rust performance of the flange and extends its service life.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222316236U_ABST
Patent Text Reader

Abstract

The utility model discloses a flange with a multi-layer anti-rust structure, which comprises a flange body, an inner anti-rust layer is arranged on the outer side of the flange body, the inner anti-rust layer comprises an iron red phenolic aldehyde anti-rust coating and an acrylic acid anti-rust coating, an outer anti-rust layer is arranged on the outer side of the inner anti-rust layer, and the outer anti-rust layer comprises an inner anti-rust layer and an outer anti-rust layer. The outer anti-rust layer comprises an iron red alcohol acid anti-rust coating and an epoxy resin coating, a gasket groove is formed in one side of the flange body, mounting holes are formed in the periphery of the inner surface of the flange body, the outer side of the flange body is coated with the iron red phenolic aldehyde anti-rust coating, and the outer side of the iron red phenolic aldehyde anti-rust coating is coated with the acrylic acid anti-rust coating. The thickness of the iron red phenolic aldehyde anti-rust coating is the same as that of the acrylic acid anti-rust coating, the thickness of the acrylic acid anti-rust coating is one hundred to two hundred micrometers, and the iron red alkyd anti-rust coating is arranged on the outer side of the acrylic acid anti-rust coating in a coating mode. Through the inner anti-rust layer, the flange body can be subjected to two-layer anti-rust protection treatment.
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Description

Technical Field

[0001] The utility model relates to the technical field of flanges, in particular to a flange with a multi-layer anti-rust structure. Background Art

[0002] Flange is also called flange flange or flange. Flange is a part that connects shafts to each other and is used for connecting pipe ends. It is also used as flange on equipment inlet and outlet for connecting two equipments. However, the existing flange lacks anti-rust protection mechanism, which makes it easy to rust during use, thereby reducing its service life. Therefore, we propose a flange with a multi-layer anti-rust structure. Utility Model Content

[0003] The purpose of the utility model is to provide a flange with a multi-layer anti-rust structure to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a flange with a multi-layer anti-rust structure, comprising a flange body, an inner anti-rust layer is arranged on the outer side of the flange body, and the inner anti-rust layer comprises an iron red phenolic anti-rust coating and an acrylic anti-rust coating, an outer anti-rust layer is arranged on the outer side of the inner anti-rust layer, and the outer anti-rust layer comprises an iron red alkyd anti-rust coating and an epoxy resin coating.

[0005] Preferably, a gasket groove is provided on one side of the flange body, and mounting holes are provided around the inner surface of the flange body.

[0006] Preferably, the iron red phenolic anti-rust coating is coated on the outer side of the flange body, and the acrylic anti-rust coating is coated on the outer side of the iron red phenolic anti-rust coating.

[0007] Preferably, the iron red phenolic anti-rust coating and the acrylic anti-rust coating have the same thickness, and the thickness of the acrylic anti-rust coating is one hundred to two hundred microns.

[0008] Preferably, the iron red alkyd antirust coating is coated on the outside of the acrylic antirust coating, and the epoxy resin coating is coated on the outside of the iron red alkyd antirust coating.

[0009] Preferably, the iron red alkyd anti-rust coating and the epoxy resin coating have the same thickness, and the thickness of the epoxy resin coating is one hundred and fifty to three hundred microns.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model can provide two layers of anti-rust protection for the flange body through the inner anti-rust layer.

[0012] 2. The utility model can further improve the rust resistance of the flange body through the outer rust-proof layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the connection between the inner anti-rust layer and the outer anti-rust layer and the flange body of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the inner anti-rust layer of the utility model;

[0016] Figure 4 It is a schematic diagram of the structure of the outer anti-rust layer of the utility model.

[0017] In the figure: flange body 1, gasket groove 2, mounting hole 3, inner anti-rust layer 4, iron red phenolic anti-rust coating 41, acrylic anti-rust coating 42, outer anti-rust layer 5, iron red alkyd anti-rust coating 51, epoxy resin coating 52. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] The flange body 1, gasket groove 2, mounting hole 3, inner anti-rust layer 4, iron red phenolic anti-rust coating 41, acrylic anti-rust coating 42, outer anti-rust layer 5, iron red alkyd anti-rust coating 51 and epoxy resin coating 52 components of the present application are all universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods. Example

[0020] See also Figure 1-Figure 3In order to achieve the purpose of performing two-layer anti-rust protection treatment on the flange body 1, the present embodiment provides the following technical scheme, which specifically discloses: comprising a flange body 1, an inner anti-rust layer 4 is arranged on the outer side of the flange body 1, and the inner anti-rust layer 4 comprises an iron red phenolic anti-rust coating 41 and an acrylic anti-rust coating 42, a gasket groove 2 is opened on one side of the flange body 1, and mounting holes 3 are opened around the inner surface of the flange body 1, the iron red phenolic anti-rust coating 41 is coated on the outer side of the flange body 1, and the acrylic anti-rust coating 42 is coated on the outer side of the iron red phenolic anti-rust coating 41, the thickness of the iron red phenolic anti-rust coating 41 and the acrylic anti-rust coating 42 are the same, and the thickness of the acrylic anti-rust coating 42 is one hundred to two hundred microns, the acrylic anti-rust coating 42 plays an anti-rust protection treatment on the outer side of the flange body 1 after the iron red alkyd anti-rust coating 51 is damaged, and the iron red phenolic anti-rust coating 41 plays a further anti-rust protection treatment on the outer side of the flange body 1 after the acrylic anti-rust coating 42 is damaged. Example

[0021] See also Figure 2 and Figure 4 In order to further improve the anti-rust performance of the flange body 1, the present embodiment provides the following technical solutions, which specifically disclose that: an outer anti-rust layer 5 is provided on the outer side of the inner anti-rust layer 4, and the outer anti-rust layer 5 includes an iron red alkyd anti-rust coating 51 and an epoxy resin coating 52, the iron red alkyd anti-rust coating 51 is coated on the outer side of the acrylic anti-rust coating 42, and the epoxy resin coating 52 is coated on the outer side of the iron red alkyd anti-rust coating 51, the iron red alkyd anti-rust coating 51 and the epoxy resin coating 52 have the same thickness, and the thickness of the epoxy resin coating 52 is 150 to 300 microns. The epoxy resin coating 52 provides anti-rust protection for the outer side of the flange body 1, and the iron red alkyd anti-rust coating 51 provides further anti-rust protection for the outer side of the flange body 1 after the epoxy resin coating 52 is damaged.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flange with a multi-layer anti-rust structure, comprising a flange body (1), characterized in that: An inner rust-proof layer (4) is provided on the outer side of the flange body (1), and the inner rust-proof layer (4) comprises an iron red phenolic rust-proof coating (41) and an acrylic rust-proof coating (42); an outer rust-proof layer (5) is provided on the outer side of the inner rust-proof layer (4), and the outer rust-proof layer (5) comprises an iron red alkyd rust-proof coating (51) and an epoxy resin coating (52).

2. The flange with a multi-layer anti-rust structure according to claim 1, characterized in that: A gasket groove (2) is provided on one side of the flange body (1), and mounting holes (3) are provided around the inner surface of the flange body (1).

3. The flange with a multi-layer anti-rust structure according to claim 1, characterized in that: The iron red phenolic anti-rust coating (41) is coated on the outer side of the flange body (1), and the acrylic anti-rust coating (42) is coated on the outer side of the iron red phenolic anti-rust coating (41).

4. The flange with a multi-layer anti-rust structure according to claim 1, characterized in that: The iron red phenolic anti-rust coating (41) and the acrylic anti-rust coating (42) have the same thickness, and the acrylic anti-rust coating (42) has a thickness of one hundred to two hundred micrometers.

5. The flange with a multi-layer anti-rust structure according to claim 1, characterized in that: The iron red alkyd anti-rust coating (51) is coated on the outer side of the acrylic anti-rust coating (42), and the epoxy resin coating (52) is coated on the outer side of the iron red alkyd anti-rust coating (51).

6. The flange with a multi-layer anti-rust structure according to claim 1, characterized in that: The iron red alkyd anti-rust coating (51) and the epoxy resin coating (52) have the same thickness, and the thickness of the epoxy resin coating (52) is between 150 and 300 micrometers.