Flange

Abstract

The utility model provides a flange which comprises a base body and a connecting body, the base body is made of metal materials, and the connecting body is made of high polymer materials. Or, the connecting body is made of aluminum, and the base body is made of other metal materials different from aluminum; the base body and the connecting body are fixedly connected to form a complete flange. The outer layer of the flange is made of the high polymer material or aluminum different from the base material, compared with a flange made of a single metal material, the flange is lighter in weight and lower in manufacturing cost, meanwhile, the high polymer material can be suitable for humid environments, acid and alkali environments and the like, corrosion cannot be generated, and the service life is longer.

Description

Technical Field

[0001] The utility model relates to the technical field of flanges, in particular to a composite material flange. Background Art

[0002] Traditional flanges are made of a single material, such as structural steel, stainless steel, copper, aluminum, etc., and are processed into finished products using forged billets, cast billets or plate blanks. Its advantages are reliable structure and mature technology; its disadvantages are high cost and poor economy, heavy weight and inconvenient construction, and inability to be used for a long time in special environments (such as acid, alkali and other corrosive environments). Utility Model Content

[0003] The purpose of the utility model is to provide a flange to improve the deficiencies of the prior art.

[0004] The embodiment of the utility model is achieved as follows:

[0005] An embodiment of the utility model provides a flange, comprising: a base and a connecting body, wherein the base is made of a metal material, and the connecting body is made of a polymer material; or, the connecting body is made of aluminum, and the base is made of other metal materials different from aluminum; the base and the connecting body are fixedly connected to form a complete flange.

[0006] Specifically, the material of the substrate is one of carbon steel, stainless steel, copper or aluminum, and the material of the connector is a polymer material.

[0007] Optionally, the connecting body is made of one of special nylon, polyurethane, and fiberglass.

[0008] Optionally, the base and the connecting body are annular, and one or more annular protrusions are provided on one of the base or the connecting body along the circumferential direction of the base, and one or more annular grooves are provided on the other of the base or the connecting body, and the annular protrusions and the annular grooves are cooperatively connected with each other.

[0009] Optionally, there are a plurality of the annular protrusions and the annular grooves, and the plurality of the annular protrusions and the plurality of the annular grooves are evenly arranged along the height direction of the base body and the connecting body, respectively.

[0010] Optionally, the base and the connecting body are annular, and along the height direction of the base, one of the base or the connecting body is provided with a plurality of spiral protrusions, and the other of the base or the connecting body is provided with a plurality of spiral grooves, the plurality of spiral protrusions and the plurality of spiral grooves are arranged along the circumferential direction of the base and the connecting body, and the plurality of spiral protrusions and the plurality of spiral grooves are cooperatively connected with each other.

[0011] Optionally, the plurality of spiral protrusions and the plurality of spiral grooves are evenly arranged along the circumferential directions of the base body and the connecting body, respectively.

[0012] Optionally, the base and the connecting body are annular, and along the height direction of the base, one of the base or the connecting body is provided with a plurality of semicircular protrusions, and the other of the base or the connecting body is provided with a plurality of semicircular grooves, and the plurality of semicircular protrusions and the plurality of semicircular grooves are arranged along the circumferential direction of the base, and the plurality of semicircular protrusions and the plurality of semicircular grooves are matched and connected with each other.

[0013] Optionally, the plurality of semicircular protrusions and the plurality of semicircular grooves are evenly arranged along the circumferential directions of the base body and the connecting body, respectively.

[0014] Compared with the existing technology, the beneficial effects of the embodiments of the utility model are: the outer layer of the flange is composed of a polymer material or aluminum different from the base material, which is lighter and has a lower manufacturing cost than a flange made of a single metal material. At the same time, the polymer material can be used in humid, acidic and alkaline environments without causing corrosion and has a longer service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 A schematic diagram of the structure of a flange provided in Example 1 of the utility model;

[0017] Figure 2 A cross-sectional view of a flat welding flange provided in Example 1 of the utility model;

[0018] Figure 3 This is a cross-sectional view of the neck butt welding flange provided in Example 1 of the utility model.

[0019] Icon: 1-base; 2-connecting body; 3-annular groove; 4-annular protrusion. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0023] In the description of the present utility model, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship, they are based on the orientation or position relationship shown in the attached drawings, or the orientation or position relationship in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0024] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0025] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0026] Please refer to Figure 1-Figure 3 This embodiment provides a flange, including: a base 1, the base 1 is made of metal material; and a coupling body 2, the coupling body 2 is made of polymer material; the base 1 and the coupling body 2 are fixedly connected to form a complete flange. The base 1 can be made of one of carbon steel, stainless steel, copper or aluminum, or other metal materials; the coupling body 2 can be made of one of special nylon, polyurethane, glass fiber reinforced plastic, or other polymer materials.

[0027] In other embodiments, the material of the connecting body 2 may be aluminum, and the material of the base body 1 may be other metal materials except aluminum.

[0028] In this embodiment, the base 1 and the connecting body 2 are annular. Along the circumferential direction of the base 1, an annular protrusion 4 is provided on the base 1, and an annular groove 3 is provided on the connecting body 2. The annular protrusion 4 and the annular groove 3 are matched and connected with each other to form a complete flange.

[0029] In other embodiments, there is no limitation on the shapes of the base body 1 and the connecting body 2, and they only need to cooperate with each other to form a complete flange.

[0030] In other embodiments, the coupling body 2 may be provided with an annular protrusion 4, the base body 1 may be provided with an annular groove 3, and the annular protrusion 4 and the annular groove 3 may be matched and connected with each other to form a complete flange.

[0031] In the present embodiment, only one annular protrusion 4 and annular groove 3 are provided. In other embodiments, multiple annular protrusions 4 and multiple annular grooves 3 may be provided. The multiple annular protrusions 4 and multiple annular grooves 3 may be evenly arranged along the height direction of the base 1 and the connecting body 2, respectively. They do not need to be evenly arranged, and only need to be arranged one by one.

[0032] The flange described in this embodiment can be a flat welding flange or a neck butt welding flange. When the base 1 and the connecting body 2 are formed, compression molding, injection molding, pouring molding, casting molding, die-casting and other methods in the prior art can be adopted. During molding, the metal base 1 is fixed in the mold, and the flange is demolded after being formed as a whole.

[0033] Compared with the prior art, the flange of the utility model makes the connecting body 2 part of a polymer material or aluminum different from the material of the base 1, which is lighter and has a lower manufacturing cost than a flange made of a single metal material. At the same time, the polymer material can be used in humid, acidic and alkaline environments without causing corrosion and has a longer service life. Example

[0034] This embodiment also provides a flange, which differs from Embodiment 1 in that the connection method between the base 1 and the coupling body 2 is different. In this embodiment, the base 1 and the coupling body 2 are annular, and along the height direction of the base 1, a plurality of spiral protrusions are provided on the base 1, and a plurality of spiral grooves are provided on the coupling body 2. The plurality of spiral protrusions and the plurality of spiral grooves are provided along the circumferential direction of the base and the coupling body, and the plurality of spiral protrusions and the plurality of spiral grooves are matched and connected with each other to form a complete flange.

[0035] In other embodiments, the coupling body 2 may be provided with a plurality of spiral protrusions, the base body 1 may be provided with a plurality of spiral grooves, and the plurality of spiral protrusions and the plurality of spiral grooves may be matched and connected with each other to form a complete flange.

[0036] In this embodiment, the plurality of spiral protrusions and the plurality of spiral grooves are evenly arranged along the circumferential direction of the base body 1 and the coupling body 2. In other embodiments, the plurality of spiral protrusions and the plurality of spiral grooves do not need to be evenly arranged, but only need to be arranged one by one. Example

[0037] This embodiment also provides a flange, which differs from the embodiment 1 in that the connection method between the base 1 and the coupling body 2 is different. In this embodiment, the base 1 and the coupling body 2 are annular, and along the height direction of the base 1, a plurality of semicircular grooves are provided on the base 1, and a plurality of semicircular protrusions are provided on the coupling body 2. The plurality of semicircular grooves and the plurality of semicircular protrusions are provided along the circumferential direction of the base 1, and the plurality of semicircular grooves and the plurality of semicircular protrusions are matched and connected with each other.

[0038] In other embodiments, the coupling body 2 may be provided with a plurality of semicircular grooves, the base body 1 may be provided with a plurality of semicircular protrusions, and the plurality of semicircular protrusions and the plurality of semicircular grooves may be matched and connected with each other to form a complete flange.

[0039] In this embodiment, the plurality of semicircular protrusions and the plurality of semicircular grooves are evenly arranged along the circumferential direction of the base body 1 and the coupling body 2. In other embodiments, the plurality of semicircular protrusions and the plurality of semicircular grooves do not need to be evenly arranged, but only need to be arranged one by one.

[0040] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A flange, characterized in that: include: A base and a connector, wherein the base is made of metal material and the connector is made of polymer material; Or, the material of the coupling body is aluminum, and the material of the base body is other metal materials different from aluminum; The base body is fixedly connected to the coupling body to form a complete flange.

2. The flange according to claim 1, characterized in that: The material of the substrate is one of carbon steel, stainless steel, copper or aluminum, and the material of the connector is a polymer material.

3. The flange according to claim 2, characterized in that: The material of the connecting body is one of special nylon, polyurethane and glass fiber reinforced plastic.

4. The flange according to claim 1, characterized in that: The base and the connecting body are annular, and along the circumferential direction of the base, one of the base or the connecting body is provided with one or more annular protrusions, and the other of the base or the connecting body is provided with one or more annular grooves, and the annular protrusions and the annular grooves are matched and connected with each other.

5. The flange according to claim 4, characterized in that: There are a plurality of annular protrusions and annular grooves, and the plurality of annular protrusions and the plurality of annular grooves are evenly arranged along the height direction of the base body and the connecting body respectively.

6. The flange according to claim 1, characterized in that: The base and the connecting body are annular, and along the height direction of the base, one of the base or the connecting body is provided with a plurality of spiral protrusions, and the other of the base or the connecting body is provided with a plurality of spiral grooves, the plurality of spiral protrusions and the plurality of spiral grooves are arranged along the circumferential direction of the base and the connecting body, and the plurality of spiral protrusions and the plurality of spiral grooves are matched and connected with each other.

7. The flange according to claim 6, characterized in that: The plurality of spiral protrusions and the plurality of spiral grooves are evenly arranged along the circumferential directions of the base body and the connecting body, respectively.

8. The flange according to claim 1, characterized in that: The base and the connecting body are annular, and along the height direction of the base, one of the base or the connecting body is provided with a plurality of semicircular protrusions, and the other of the base or the connecting body is provided with a plurality of semicircular grooves, the plurality of the semicircular protrusions and the plurality of the semicircular grooves are arranged along the circumferential direction of the base, and the plurality of the semicircular protrusions and the plurality of the semicircular grooves are matched and connected with each other.

9. The flange according to claim 8, characterized in that: The plurality of semicircular protrusions and the plurality of semicircular grooves are evenly arranged along the circumferential directions of the base body and the coupling body, respectively.

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