Aluminum pressure vessel flange with sealing structure

Abstract

The utility model relates to the technical field of flanges, in particular to an aluminum pressure vessel flange with a sealing structure, which comprises a flange plate used for being mounted at the end of a pipeline of a pressure vessel, a plurality of bolt holes are formed in the surface of the flange plate, a sealing gasket is arranged on one side of the flange plate, and a through hole is formed in the surface of the sealing gasket. A rubber plug pipe and a rubber plug ring are arranged on the two sides of the penetrating hole respectively and integrally formed on the surface of the sealing gasket. The aluminum pressure vessel flange with the sealing structure has the advantages that the sealing gasket is arranged on the flange plate, the penetrating hole is formed in the surface of the sealing gasket, and the rubber plug pipe and the rubber plug ring are integrally formed, so that when the flange plate is spliced with the flange structure at the end of an adjacent pipeline, the sealing gasket is not prone to deformation; and the sealing gasket can be more effectively clamped between the sealing gasket and the sealing gasket to form a stable sealing layer. By means of the design, the installation process is simplified, the sealing effect is remarkably improved, and medium leakage is effectively prevented.

Description

Technical Field

[0001] The utility model relates to the field of flanges, in particular to an aluminum pressure vessel flange with a sealing structure. Background Art

[0002] In industrial production, pressure vessels are indispensable equipment for storing or transporting high-pressure, high-temperature or corrosive media. In order to ensure the safe operation of pressure vessels, their connection parts, especially flange connections, must have good sealing and stability. Traditional aluminum pressure vessel flanges are often fastened with bolts when connected, but under long-term operation or harsh working conditions, problems such as bolt loosening and medium leakage are prone to occur, which not only affects the normal operation of the equipment, but may also cause safety accidents.

[0003] Although existing sealing gaskets can improve the sealing performance to a certain extent, they often have defects such as inconvenient installation and unstable sealing effect. In addition, the anti-loosening and limiting measures for bolts are often not perfect, which makes the bolts easy to loosen under vibration or impact conditions, thereby affecting the sealing effect. Utility Model Content

[0004] The utility model aims to provide an aluminum pressure vessel flange with a sealing structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an aluminum pressure vessel flange with a sealing structure, comprising a flange plate, which is used to be installed at the end of a pipe of a pressure vessel, a plurality of bolt holes are provided on the surface of the flange plate, a sealing gasket is provided on one side of the flange plate, a through hole is provided on the surface of the sealing gasket, a rubber plug tube and a rubber plug ring are respectively provided on both sides of the through hole, and the rubber plug tube and the rubber plug ring are both integrally formed on the surface of the sealing gasket.

[0006] Preferably, the outer ring surface of the flange is provided with a side groove, the side groove is an annular groove, the sealing gasket is a ring plate structure with an "L"-shaped cross-section, the inner ring diameter of the sealing gasket is equal to the inner ring diameter of the flange, and one end of the sealing gasket is fixed on the side wall of the side groove.

[0007] Preferably, there are a plurality of through holes, and the through holes correspond to the bolt holes one by one. After the sealing gasket is installed on one side of the flange, the through holes are connected to the bolt holes, and the aperture of the through holes is smaller than the aperture of the bolt holes.

[0008] Preferably, the rubber stopper tube is a circular tube structure, the outer diameter of the rubber stopper tube is equal to the aperture of the bolt hole, the inner diameter of the rubber stopper tube is equal to the aperture of the perforation, the tube length of the rubber stopper tube is greater than the depth of the bolt hole, and the rubber stopper tube is inserted into the bolt hole.

[0009] Preferably, a rubber gasket is integrally formed at one end of the rubber stopper tube, and the outer diameter of the rubber gasket is larger than the diameter of the bolt hole. After the rubber stopper tube passes through the bolt hole, the rubber gasket is located outside the bolt hole.

[0010] Preferably, a rubber ferrule is integrally formed on the inner ring surface of the rubber stopper tube, and the rubber ferrule is a circular ring structure with an arc-shaped cross section. A plurality of rubber ferrules are provided, and the plurality of rubber ferrules are arranged and distributed along the long side of the rubber stopper tube.

[0011] Preferably, the rubber plug ring is a truncated cone tubular structure, the inner ring diameter of the rubber plug ring is equal to the aperture of the perforation, the outer ring diameter of one end of the rubber plug ring is equal to the aperture of the bolt hole, and the outer diameter of the other end of the rubber plug ring is smaller than the aperture of the bolt hole.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The aluminum pressure vessel flange with a sealing structure proposed in the utility model is provided with a sealing gasket on the flange plate, and a perforation is provided on the surface of the sealing gasket, and an integrally formed rubber plug tube and rubber plug ring are formed, so that when the flange plate is assembled with the flange structure at the end of the adjacent pipeline, the sealing gasket can be more effectively clamped between the two to form a stable sealing layer. This design not only simplifies the installation process, but also significantly improves the sealing effect and effectively prevents medium leakage.

[0014] The special structural design of the rubber plug tube and the rubber plug ring enables them to clamp between the bolt rod and the bolt hole and the hole of the flange structure to produce elastic deformation during the bolt locking process, thereby achieving reliable fixation of the bolt. At the same time, the setting of the rubber gasket further enhances the clamping force between the end of the bolt rod and the flange, effectively preventing the bolt from loosening and falling off under vibration or impact conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the connection structure of the sealing gasket and the rubber plug ring of the utility model;

[0017] Figure 3 This is a side view of the structure of the utility model;

[0018] Figure 4 for Figure 3 Structural cross-section view at AA in the middle;

[0019] Figure 5 for Figure 4 A schematic diagram of the structure enlargement in the middle;

[0020] Figure 6 This is a schematic diagram of the sealing gasket structure of the utility model.

[0021] In the figure: flange 1, bolt hole 2, side groove 3, sealing gasket 4, through hole 5, rubber plug tube 6, rubber gasket 7, rubber ring 8, rubber plug ring 9. DETAILED DESCRIPTION

[0022] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of 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.

[0023] Embodiment 1

[0024] See also Figure 1-Figure 3 The utility model provides a technical solution: an aluminum pressure vessel flange with a sealing structure, comprising a flange 1 for being installed at the end of a pipe of a pressure vessel, a plurality of bolt holes 2 being provided on the surface of the flange 1, a sealing gasket 4 being provided on one side of the flange 1, a through hole 5 being provided on the surface of the sealing gasket 4, a rubber plug tube 6 and a rubber plug ring 9 being provided on both sides of the through hole 5, the rubber plug tube 6 and the rubber plug ring 9 being integrally formed on the surface of the sealing gasket 4.

[0025] Embodiment 2

[0026] See attached Figures 4 to 6 As shown, on the basis of Example 1, in order to achieve the sealing effect on the flange 1 after installation, the outer ring surface of the flange 1 is provided with a side groove 3, and the side groove 3 is an annular groove. The sealing gasket 4 is an annular plate structure with an "L"-shaped cross-section. The inner ring diameter of the sealing gasket 4 is equal to the inner ring diameter of the flange 1, and one end of the sealing gasket 4 is fixed on the side wall of the side groove 3; a plurality of through holes 5 are provided, and the through holes 5 correspond to the bolt holes 2 one by one. After the sealing gasket 4 is installed on one side of the flange 1, the through holes 5 are connected with the bolt holes 2, and the aperture of the through holes 5 is smaller than the aperture of the bolt holes 2.

[0027] The sealing gasket 4 is installed on the side of the flange 1 facing the pipe to be connected, so that when the flange 1 and the flange structure at the end of the adjacent pipe are assembled together, the sealing gasket 4 is clamped between the flange 1 and the flange structure to play a sealing role. The sealing gasket 4 is an optional structure and can be installed on the surface of the flange 1 as needed.

[0028] In order to prevent the bolts of the fixed flange 1 from falling off and limiting their position, the rubber plug tube 6 is in a circular tube structure, the outer diameter of the rubber plug tube 6 is equal to the aperture of the bolt hole 2, the inner diameter of the rubber plug tube 6 is equal to the aperture of the through hole 5, the tube length of the rubber plug tube 6 is greater than the depth of the bolt hole 2, and the rubber plug tube 6 is inserted into the bolt hole 2; a rubber gasket 7 is integrally formed at one end of the rubber plug tube 6, the outer diameter of the rubber gasket 7 is greater than the aperture of the bolt hole 2, and after the rubber plug tube 6 passes through the bolt hole 2, the rubber gasket 7 is located on the outside of the bolt hole 2; a rubber ferrule 8 is integrally formed on the inner ring surface of the rubber plug tube 6, the rubber ferrule 8 is in a circular ring structure with an arc-shaped cross section, a plurality of rubber ferrules 8 are provided, and the plurality of rubber ferrules 8 are arranged and distributed along the long side of the rubber plug tube 6; a rubber plug ring 9 is in a truncated cone-shaped tubular structure, the inner ring diameter of the rubber plug ring 9 is equal to the aperture of the through hole 5, the outer ring diameter of one end of the rubber plug ring 9 is equal to the aperture of the bolt hole 2, and the outer diameter of the other end of the rubber plug ring 9 is smaller than the aperture of the bolt hole 2.

[0029] When in use, after the sealing gasket 4 is installed on one side of the flange 1, the rubber plug tube 6 passes through the bolt hole 2, and the rubber gasket 7 blocks one side of the flange 1. After the flange 1 and the flange structure of the adjacent pipeline are assembled, the rod of the bolt is passed through the rubber gasket 7, the rubber plug tube 6 and the rubber plug ring 9 in turn and then locked. At this time, the rubber plug tube 6 and the rubber ring 8 are clamped between the bolt rod and the bolt hole 2 to generate elastic deformation, the rubber plug ring 9 is clamped between the bolt rod and the hole of the flange structure to generate elastic deformation, and the rubber gasket 7 is clamped between the plate at the end of the bolt rod and the flange 1 to generate elastic deformation, thereby realizing the anti-loosening limit after the bolt is locked.

[0030] Although the 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. An aluminum pressure vessel flange with a sealing structure, comprising a flange plate (1) for installation at the end of a pipe of a pressure vessel, a surface of the flange plate (1) being provided with a plurality of bolt holes (2), characterized in that: A sealing gasket (4) is provided on one side of the flange (1), a through hole (5) is provided on the surface of the sealing gasket (4), a rubber plug tube (6) and a rubber plug ring (9) are provided on both sides of the through hole (5), and the rubber plug tube (6) and the rubber plug ring (9) are integrally formed on the surface of the sealing gasket (4).

2. The aluminum pressure vessel flange with a sealing structure according to claim 1, characterized in that: The outer ring surface of the flange (1) is provided with a side groove (3), the side groove (3) is an annular groove, the sealing gasket (4) is an annular plate structure with an "L"-shaped cross section, the inner ring diameter of the sealing gasket (4) is equal to the inner ring diameter of the flange (1), and one end of the sealing gasket (4) is fixed to the side wall of the side groove (3).

3. The aluminum pressure vessel flange with a sealing structure according to claim 1, characterized in that: There are a plurality of through holes (5), and the through holes (5) and the bolt holes (2) correspond one to one. After the sealing gasket (4) is installed on one side of the flange (1), the through holes (5) and the bolt holes (2) are connected, and the hole diameter of the through holes (5) is smaller than the hole diameter of the bolt holes (2).

4. The aluminum pressure vessel flange with a sealing structure according to claim 1, characterized in that: The rubber stopper tube (6) is in a circular tube structure. The outer diameter of the rubber stopper tube (6) is equal to the diameter of the bolt hole (2). The inner diameter of the rubber stopper tube (6) is equal to the diameter of the through hole (5). The tube length of the rubber stopper tube (6) is greater than the depth of the bolt hole (2). The rubber stopper tube (6) is inserted into the bolt hole (2).

5. The aluminum pressure vessel flange with a sealing structure according to claim 1, characterized in that: A rubber gasket (7) is integrally formed at one end of the rubber stopper tube (6); the outer diameter of the rubber gasket (7) is larger than the diameter of the bolt hole (2); after the rubber stopper tube (6) passes through the bolt hole (2), the rubber gasket (7) is located outside the bolt hole (2).

6. The aluminum pressure vessel flange with a sealing structure according to claim 1, characterized in that: The inner ring surface of the rubber stopper tube (6) is integrally formed with a rubber ferrule (8), which is a circular ring structure with an arc-shaped cross section. A plurality of rubber ferrules (8) are provided, and the plurality of rubber ferrules (8) are arranged and distributed along the long side of the rubber stopper tube (6).

7. The aluminum pressure vessel flange with a sealing structure according to claim 1, characterized in that: The rubber plug ring (9) is a truncated cone tubular structure, the inner ring diameter of the rubber plug ring (9) is equal to the hole diameter of the through hole (5), the outer ring diameter of one end of the rubber plug ring (9) is equal to the hole diameter of the bolt hole (2), and the outer diameter of the other end of the rubber plug ring (9) is smaller than the hole diameter of the bolt hole (2).

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