CN220168834U - Flange structure that leakproofness is good - Google Patents

Abstract

The utility model discloses a flange structure with good sealing performance, which comprises a shaft tube assembly, a first sealing shell, a second sealing shell and an inner sealing pipe fitting, wherein the shaft tube assembly is arranged and fixed in the inner sealing pipe fitting, a first shaft collar and a second shaft collar are respectively arranged on the surface of the shaft tube assembly, the first shaft collar and the second shaft collar are tightly attached and fixed with the inner surface wall of the inner sealing pipe fitting, the first sealing shell and the second sealing shell are arranged on the outer surface of the inner sealing pipe fitting, the inner part of the second sealing shell is tightly attached and fixed with the inner sealing pipe fitting through a locking bayonet, and the inner part of the first sealing shell is tightly attached and fixed with the inner sealing pipe fitting through a clamping pipe. According to the flange, the inner components of the flange structure are protected in a layer-by-layer sealing connection mode, so that the flange is orderly installed to form a sealing integral structure, the components are tightly attached and connected, the wrapping performance is strong, the whole flange structure is not prone to air leakage and water seepage, and the using effect of the flange is improved.

Description

Flange structure that leakproofness is good

Technical Field

The utility model relates to a flange structure with good sealing performance.

Background

The flange is called flange disc or flange, which is the part of the connection between the shafts for the connection between the pipe ends; the flange is also used on an inlet and an outlet of equipment, is used for connecting two pieces of equipment, such as a speed reducer flange, a flange connection or a flange joint, and refers to detachable connection formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures.

The Chinese patent document with the publication number of CN216242822U discloses a flange with good sealing performance, which comprises a first flange plate and a second flange plate, wherein the top of the first flange plate is adhered with a sealing gasket, the top of the sealing gasket is tightly attached to the bottom of the second flange plate, the top of the sealing gasket is integrally formed with a sealing ring, and the bottom of the second flange plate is provided with a first ring groove matched with the sealing ring. According to the utility model, the sealing gasket, the sealing ring and the first ring groove are arranged, so that the tightness between the first flange plate and the second flange plate can be improved, the lantern ring and the sealing ring are arranged, the sealing ring can be driven to move downwards, the sealing ring is inserted into the second ring groove, meanwhile, the sealing ring and the second ring groove can be tightly attached, the tightness between the first flange plate and the second flange plate is further improved, and by the arrangement of the structure, the sealing device has the advantages that the tightness is good, and water vapor in air is not easy to enter the inside of the flange through the connecting part of the flange.

The flange structure in the prior art is not tight and stable in connection among all the components in the flange structure, poor in sealing wrapping performance and easy to cause leakage phenomenon in the flange structure, so that the flange structure with good sealing performance needs to be developed.

Disclosure of Invention

The utility model aims to provide a flange structure with good sealing performance, which solves the problems that in the prior art, the connection between components in the flange structure is not tight and stable enough, the sealing wrapping performance is poor, and the leakage phenomenon is easy to occur in the flange structure.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flange structure that leakproofness is good, includes central siphon subassembly, first seal housing, second seal housing and interior seal tube spare, central siphon subassembly installation is fixed in the inside of seal tube spare, and central siphon subassembly surface is provided with first collar and second collar respectively, and first collar and second collar are closely laminated fixedly with interior surface wall of interior seal tube spare, the surface of seal tube spare in first seal housing, second seal housing installation, the inside of second seal housing is closely laminated fixedly through locking bayonet socket and interior seal tube spare, and first seal housing is inside is closely laminated fixedly through block pipe and interior seal tube spare.

Preferably, the first sealing shell penetrates into the second sealing shell through the clamping pipe, the first sealing shell and the second sealing shell are tightly attached, and the inner sealing pipe fitting penetrates through the first sealing shell and the second sealing shell and extends to the outer part of the second sealing shell.

Preferably, the inner sealing pipe fitting is composed of a first sealing ring, a second sealing ring and a sealing inner pipe, the first sealing ring and the second sealing ring are wrapped on the outer surface of the shaft pipe assembly, and the first sealing ring and the second sealing ring are respectively positioned at the upper end and the lower end of the second shaft ring.

Preferably, a first sealing ring is arranged in the second sealing shell, and the inner part of the first sealing ring is tightly attached to the outer surface of the inner sealing pipe fitting through a rubber gasket.

Preferably, the lower end of the sealed inner pipe is tightly attached and fixed with the inner wall of the first sealed shell through a rubber ring, and the outer surface of the sealed inner pipe is wrapped with a second sealing ring and an elastic clamping sleeve.

Preferably, an elastic outer ring is arranged in the elastic clamping sleeve, an elastic inner ring is arranged in the elastic outer ring, and the elastic inner ring is tightly attached to the inner wall of the elastic outer ring.

Compared with the prior art, the utility model has the beneficial effects that:

according to the flange, the inner components of the flange structure are protected in a layer-by-layer sealing connection mode, so that the flange is orderly installed to form a sealing integral structure, the components are tightly attached and connected, the wrapping performance is strong, the whole flange structure is not prone to air leakage and water seepage, and the using effect of the flange is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of an exploded construction of the present utility model;

fig. 3 is a schematic view of the internal mounting structure of the present utility model.

In the figure: 1. a shaft tube assembly; 2. a first seal housing; 3. a second seal housing; 4. an inner sealing tube; 5. a first seal ring; 6. an elastic inner ring; 7. an elastic outer ring; 8. sealing the inner tube; 9. locking the bayonet; 10. a rubber gasket; 11. a first seal ring; 12. a second seal ring; 13. an elastic clamping sleeve; 14. a second seal ring; 15. a rubber ring; 16. a clamping tube; 17. a first collar; 18. and a second collar.

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.

Referring to fig. 1-3, an embodiment of the present utility model is provided: the utility model provides a flange structure that leakproofness is good, including central siphon subassembly 1, first seal housing 2, second seal housing 3 and interior seal pipe fitting 4, central siphon subassembly 1 installs and fixes the inside of interior seal pipe fitting 4, central siphon subassembly 1 surface is provided with first collar 17 and second collar 18 respectively, first collar 17 and second collar 18 are closely laminated fixedly with the inside surface wall of interior seal pipe fitting 4, first seal housing 2, second seal housing 3 installs the surface at interior seal pipe fitting 4, the inside of second seal housing 3 is closely laminated fixedly with interior seal pipe fitting 4 through locking bayonet 9, the inside is closely laminated fixedly with interior seal pipe fitting 4 through block pipe 16 of first seal housing 2.

Further, the first seal housing 2 penetrates into the second seal housing 3 through the engagement pipe 16, the first seal housing 2 and the second seal housing 3 are tightly adhered, and the inner seal pipe 4 penetrates through the first seal housing 2 and the second seal housing 3 and extends to the outside of the second seal housing 3.

Further, the inner sealing pipe fitting 4 is composed of a first sealing ring 11, a second sealing ring 12 and a sealing inner pipe 8, the first sealing ring 11 and the second sealing ring 12 are wrapped on the outer surface of the shaft pipe assembly 1, and the first sealing ring 11 and the second sealing ring 12 are respectively located at the upper end and the lower end of the second collar 18.

Further, the inside of the second seal housing 3 is provided with a first seal ring 5, and the inside of the first seal ring 5 is tightly attached to the outer surface of the inner seal pipe fitting 4 through a rubber gasket 10.

Further, the lower end of the sealed inner tube 8 is tightly attached and fixed with the inner wall of the first sealed shell 2 through a rubber ring 15, and the outer surface of the sealed inner tube 8 is wrapped with a second sealing ring 14 and an elastic clamping sleeve 13.

Further, the inside of the elastic clamping sleeve 13 is provided with an elastic outer ring 7, the inside of the elastic outer ring 7 is provided with an elastic inner ring 6, and the elastic inner ring 6 is tightly attached to the inner wall of the elastic outer ring 7.

Working principle: during the use, the central siphon subassembly 1 surface is provided with first collar 17 and second collar 18 respectively, first collar 17 and second collar 18 are closely laminated fixedly with the inside surface wall of interior seal pipe fitting 4, first collar 17 and second collar 18 can be used to carry out double-deck sealed laminating protection to the inside of interior seal pipe fitting 4, first seal housing 2, the surface at interior seal pipe fitting 4 is installed to second seal housing 3, the inside of second seal housing 3 is closely laminated fixedly through locking bayonet 9 and interior seal pipe fitting 4, through being provided with locking bayonet 9 structure, can carry out zonulae occludens between interior seal pipe fitting 4 and the second seal housing 3, first seal housing 2 inside is closely laminated fixedly through block pipe 16 and interior seal pipe fitting 4, block pipe 16 is used for carrying out sealing connection between first seal housing 2 and the interior seal pipe fitting 4, the inside of second seal housing 3 is provided with first sealing washer 5, the inside of first sealing washer 5 is closely laminated with the surface of interior seal pipe fitting 4 through rubber washer 10, the inside of first sealing washer 10, the inside seal pipe 8 is closely laminated with the inner wall of first seal housing 15, the inside seal housing is closely laminated with first seal pipe fitting 14 through the inner wall 15, the sealing ring 13, the sealing sleeve assembly is closely laminated with the inside seal pipe fitting 13, the sealing sleeve is used to seal assembly is closely laminated with the sealing flange 13, the sealing flange is further sealed, the sealing sleeve is sealed and is connected with the inside seal flange assembly, the sealing flange is sealed tightly, the whole is sealed by sealing flange assembly, and sealed sealing flange is sealed and sealed by sealing flange is sealed inside.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Standard parts used in the document of the utility model can be purchased from the market, the specific connection modes of the parts are connected by adopting conventional means such as mature bolts, rivets and welding in the prior art, and the machines, the parts and the equipment are of conventional types in the prior art, and the circuit connection adopts the conventional connection modes in the prior art, so that the specific description is not made.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a flange structure that leakproofness is good, its characterized in that includes central siphon subassembly (1), first seal housing (2), second seal housing (3) and interior seal pipe fitting (4), inside seal pipe fitting (4) including central siphon subassembly (1) installation is fixed, central siphon subassembly (1) surface is provided with first collar (17) and second collar (18) respectively, and the inside surface wall of first collar (17) and second collar (18) and interior seal pipe fitting (4) is closely laminated fixedly, the surface of seal pipe fitting (4) including first seal housing (2), second seal housing (3) are installed, and the inside of second seal housing (3) is closely laminated fixedly through locking bayonet socket (9) and interior seal pipe fitting (4), and the inside of first seal housing (2) is closely laminated fixedly through block pipe (16) and interior seal pipe fitting (4).

2. The flange structure with good sealing performance according to claim 1, wherein: the first sealing shell (2) penetrates into the second sealing shell (3) through the clamping pipe (16), the first sealing shell (2) and the second sealing shell (3) are tightly attached, and the inner sealing pipe fitting (4) penetrates through the first sealing shell (2) and the second sealing shell (3) and extends to the outer part of the second sealing shell (3).

3. The flange structure with good sealing performance according to claim 1, wherein: the inner sealing pipe fitting (4) is composed of a first sealing ring (11), a second sealing ring (12) and a sealing inner pipe (8), the first sealing ring (11) and the second sealing ring (12) are wrapped on the outer surface of the shaft pipe assembly (1), and the first sealing ring (11) and the second sealing ring (12) are respectively positioned at the upper end and the lower end of the second shaft ring (18).

4. The flange structure with good sealing performance according to claim 1, wherein: the inside of second seal housing (3) is provided with first sealing washer (5), and the inside of first sealing washer (5) is closely laminated with interior seal pipe fitting (4) surface through rubber packing ring (10).

5. A flange structure with good sealing property according to claim 3, characterized in that: the lower end of the sealing inner tube (8) is tightly attached and fixed with the inner wall of the first sealing shell (2) through a rubber ring (15), and the outer surface of the sealing inner tube (8) is wrapped with a second sealing ring (14) and an elastic clamping sleeve (13).

6. The flange structure with good sealing performance according to claim 5, wherein: the inside of elasticity cutting ferrule (13) is provided with elasticity outer loop (7), and the inside of elasticity outer loop (7) is provided with elasticity inner loop (6), and elasticity inner loop (6) are closely laminated with elasticity outer loop (7) inner wall.