CN219549848U

CN219549848U - High bright and clean flange joint subassembly

Info

Publication number: CN219549848U
Application number: CN202223061720.8U
Authority: CN
Inventors: 方星鹤; 秦良东; 王宪停
Original assignee: Jiangyin Runfang Machinery Manufacturing Co ltd
Current assignee: Jiangyin Runfang Machinery Manufacturing Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-08-18
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a high-smoothness flange connection assembly, and relates to the technical field of flanges. The flange comprises a flange body and an inner supporting tube, wherein a spigot end is fixed at one end of the flange body, a positioning edge is formed at the part, located on the inner side of the spigot end, of the flange body, an embedded opening is formed at one end, away from the spigot end, of the flange body, an outer ring body is fixed on the peripheral side surface of the middle part of the inner supporting tube, the outer diameter of the outer ring body is consistent with the inner diameter of the embedded opening, the outer ring body is movably arranged in the embedded opening, and inclined edges are arranged at two ends of the inner supporting tube. The utility model can improve the stability of the joint through the arrangement of the inner supporting tube, can cover the welding line at the inner side of the joint, and can improve the finish of the flange joint by ensuring the finish of the inner surface of the inner supporting tube, meanwhile, the inner supporting tube can play the roles of concentric positioning and inner supporting during installation, can ensure the accuracy of the positions of the flange body during installation and the connection of the two flanges, reduces the use of tools, and is beneficial to the installation of staff.

Description

High bright and clean flange joint subassembly

Technical Field

The utility model belongs to the technical field of flanges, and particularly relates to a high-smoothness flange connection assembly.

Background

The existing socket welding flange is sleeved on the pipe fitting through the socket end during installation, meanwhile, the perpendicularity between the flange and the pipe fitting is guaranteed through the matching tool, the welding point is divided into two parts, one part is the joint between the socket end and the pipe fitting, the other part is the welding between the end part of the pipe fitting and the inner end face of the socket end, and the welding line is arranged on the inner side of the joint and protrudes to influence the smoothness of the joint, so that the fluency of fluid is reduced, and meanwhile, the occurrence of corrosion and other conditions is caused.

Disclosure of Invention

The utility model aims to provide a high-finish flange connecting assembly, which can improve the stability of a connecting part through the arrangement of an inner supporting tube, can cover welding wires on the inner side of the connecting part, can improve the finish of the flange connecting part through ensuring the finish of the inner surface of the inner supporting tube, can play a role in concentric positioning and inner supporting during installation of the inner supporting tube, can ensure the accuracy of positions of two flange bodies during installation, reduces the use of tools and is beneficial to the installation of workers.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a high-finish flange connecting assembly, which comprises a flange body and an inner supporting pipe, wherein one end of the flange body is fixed with a spigot end, and a part of the flange body positioned at the inner side of the spigot end forms a positioning edge;

an embedding port is formed in one end, away from the spigot end, of the flange body;

an outer ring body is fixed on the peripheral side surface of the middle part of the inner supporting tube, the outer diameter of the outer ring body is consistent with the inner diameter of the embedded opening, and the outer ring body is movably arranged in the embedded opening;

the two ends of the inner supporting tube are respectively provided with an inclined edge, and the cross section of each inclined edge is of a regular triangle structure.

Further, the two flange bodies are fixed through bolts, and a sealing piece is arranged between the two flange bodies.

Further, the thickness of the outer ring body is larger than the sum of the depths of the embedded openings on the two flange bodies, the exceeding part is positioned between the two flange bodies, and the sealing piece is arranged outside the inner supporting tube between the two flange bodies.

Further, the inner side of the positioning edge is provided with a welding groove, and the cross section of the welding groove is of a triangular structure.

Further, the pipe body is further provided with one end fixed in a gap formed between the receiving end and the inner supporting pipe.

Further, a guide slope is arranged on the inner side of one end, far away from the flange body, of the spigot-and-socket end.

The utility model has the following beneficial effects:

the utility model can improve the stability of the joint through the arrangement of the inner supporting tube, can cover the welding line at the inner side of the joint, and can improve the finish of the flange joint by ensuring the finish of the inner surface of the inner supporting tube, meanwhile, the inner supporting tube can play the roles of concentric positioning and inner supporting during installation, can ensure the accuracy of the positions of the flange body during installation and the connection of the two flanges, reduces the use of tools, and is beneficial to the installation of staff.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a high finish flange connection assembly of the present utility model;

FIG. 2 is a cross-sectional view of the structure of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

in the drawings, the list of components represented by the various numbers is as follows:

the flange comprises a flange body, a 2-inner supporting tube, a 3-tube body, a 101-spigot end, a 102-positioning edge, a 103-embedded inlet, a 104-welded groove, a 105-guiding slope, a 201-outer ring body and a 202-inclined edge.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model is a high-finish flange connection assembly, which comprises a flange body 1 and an inner supporting tube 2, wherein a socket end 101 is fixed at one end of the flange body 1, and a positioning edge 102 is formed at a part of the flange body 1 located inside the socket end 101;

an embedded opening 103 is formed in one end, away from the spigot end 101, of the flange body 1;

an outer ring body 201 is fixed on the peripheral side surface of the middle part of the inner supporting tube 2, the outer diameter of the outer ring body 201 is consistent with the inner diameter of the embedding opening 103, and the outer ring body 201 is movably arranged in the embedding opening 103;

both ends of the inner supporting tube 2 are provided with inclined edges 202, and the cross section of each inclined edge 202 is of a regular triangle structure.

Wherein, two flange body 1 pass through the bolt fastening, are equipped with the sealing member between two flange body 1.

Wherein, as shown in fig. 2, the thickness of the outer ring 201 is larger than the sum of the depths of the embedded openings 103 on the two flange bodies 1, the excess part is positioned between the two flange bodies 1, and the sealing element is arranged outside the inner supporting tube 2 between the two flange bodies 1.

As shown in fig. 2-3, a welding groove 104 is formed inside the positioning edge 102, and the cross section of the welding groove 104 is triangular.

As shown in fig. 1-3, the pipe body 3 is further included, and one end of the pipe body 3 is fixed in a gap formed between the receiving end and the inner supporting pipe 2.

Wherein, as shown in fig. 2-3, the inner side of the spigot-and-socket end 101 far away from the flange body 1 is provided with a guiding slope 105.

The principle of the utility model is as follows: when the flange is installed, the spigot-and-socket end 101 on the flange body 1 is sleeved on the pipe body 3, the inner supporting pipe 2 is penetrated simultaneously, one end of the outer ring body 201 is embedded in the embedded opening 103, the flange body 1 is positioned together through the inner supporting pipe 2 and the spigot-and-socket end 101, the spigot-and-socket end 101 is welded and fixed with the pipe body 3 through welding, after the spigot-and-socket end 101 is welded, the inner supporting pipe 2 is taken out, the positioning edge 102 and the end part of the pipe body 3 are welded and fixed, welding slag is removed after the welding is finished, certain grinding is carried out, and the inner supporting pipe 2 is installed during assembly.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a high bright and clean flange joint subassembly, includes flange body (1), flange body (1) one end is fixed with spigot-and-socket end (101), part that flange body (1) are located the inboard of spigot-and-socket end (101) forms location edge (102), its characterized in that: also comprises an inner supporting tube (2);

an embedded inlet (103) is formed in one end, far away from the spigot-and-socket end (101), of the flange body (1);

an outer ring body (201) is fixed on the peripheral side surface of the middle part of the inner supporting tube (2), the outer diameter of the outer ring body (201) is consistent with the inner diameter of the embedding opening (103), and the outer ring body (201) is movably arranged in the embedding opening (103);

both ends of the inner supporting tube (2) are provided with inclined edges (202), and the cross section of each inclined edge (202) is of a regular triangle structure.

2. A high finish flange connection assembly according to claim 1, wherein the two flange bodies (1) are bolted together, and a seal is provided between the two flange bodies (1).

3. A high finish flange connection assembly according to claim 2, wherein the outer ring (201) has a thickness greater than the sum of the depths of the insertion openings (103) in the flange bodies (1), the excess being located between the flange bodies (1), and the seal being provided outside the inner support tube (2) between the flange bodies (1).

4. The high-finish flange connection assembly according to claim 1, wherein a weld groove (104) is formed in the inner side of the positioning edge (102), and the cross section of the weld groove (104) is triangular.

5. A high finish flange connection assembly according to claim 1, further comprising a tube body (3), said tube body (3) having one end secured within a void formed between the receiving end and the inner support tube (2).

6. A high finish flange connection assembly according to claim 1, wherein the spigot and socket end (101) is provided with a guide ramp (105) on the inside of the end remote from the flange body (1).