CN217634414U - Flange type sealing structure for pipeline - Google Patents

Flange type sealing structure for pipeline Download PDF

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Publication number
CN217634414U
CN217634414U CN202221619619.7U CN202221619619U CN217634414U CN 217634414 U CN217634414 U CN 217634414U CN 202221619619 U CN202221619619 U CN 202221619619U CN 217634414 U CN217634414 U CN 217634414U
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China
Prior art keywords
flange
ring
sealing
outer ring
flanges
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CN202221619619.7U
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Chinese (zh)
Inventor
汤杰
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Hangzhou Yongli Seal Co ltd
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Hangzhou Yongli Seal Co ltd
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Priority to CN202221619619.7U priority Critical patent/CN217634414U/en
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Abstract

The utility model relates to a flange formula seal structure for pipeline, affiliated flange seal structure technical field, including a pair of ring flange, be equipped with the flange formula seal assembly who cup joints with ring flange looks inlay type between two ring flanges, the ring flange other end is equipped with the honeycomb duct that is linked together with ring flange, flange formula seal assembly, is equipped with a plurality of bolts that cup joint with flange formula seal assembly looks run through type on the ring flange, is equipped with the lock nut who cup joints with ring flange looks pressfitting and bolt looks screw thread on the bolt. The flange type sealing assembly comprises an outer ring, a flange sealing gasket which is in clamping embedded type sleeve joint with the outer ring is arranged between the upper end and the lower end of the outer ring and the flange plate, and an axial sealing ring which is in clamping embedded type sleeve joint with the outer ring is arranged on the outer circle of the outer ring. The sealing structure has the characteristics of compact structure, good sealing performance, pressure resistance, wear resistance, high temperature resistance and long service life. The problem of flange joint withstand voltage reliability poor is solved. The sealing performance of the flange is improved, the normal operation of equipment is ensured, and the leakage of the flange is avoided.

Description

Flange type sealing structure for pipeline
Technical Field
The utility model relates to a flange seal structure technical field, concretely relates to flange formula seal structure for pipeline.
Background
The problem of sealing leakage is often encountered in a pipeline flange, and for a pipeline, the flange gasket not only prolongs the sealing period, but also reduces the energy consumption and improves the heat energy utilization rate. Gasket seals are the primary static seal form in industrial production systems, pressure vessels, industrial equipment, pipes, valves, and the like. The application of the gasket is very wide. The gasket can be used in watches, artware and industrial, mining, chemical and petroleum. The quality and the precision of the gasket directly affect the safety of a production system.
When the flange of the pipeline is sealed in daily life, a rubber gasket, a non-asbestos gasket and the like are usually adopted to realize the sealing effect of flange connection. But has the defects of poor sealing performance, no pressure resistance, easy abrasion and short service life, and influences the normal operation of equipment. Seriously, even the pressure is insufficient, and the equipment can not normally operate.
Disclosure of Invention
The utility model discloses mainly solve to have among the prior art that sealing performance is poor, not withstand voltage high temperature resistant, easy wearing and tearing and the short not enough of life, provide a flange formula seal structure for pipeline, it has compact structure, sealing performance is good, withstand voltage wear-resisting, high temperature resistant and long service life's characteristics. The problem of flange joint withstand voltage reliability poor is solved. The sealing performance of the flange is improved, the normal operation of equipment is ensured, and the leakage of the flange is avoided.
The above technical problem of the present invention can be solved by the following technical solutions:
the utility model provides a flange formula seal structure for pipeline, includes a pair of ring flange, is equipped with the flange formula seal assembly who cup joints with the ring flange formula of inlaying mutually between two ring flanges, the ring flange other end be equipped with the honeycomb duct that is linked together with ring flange, flange formula seal assembly, the ring flange on be equipped with a plurality of bolts that cup joint with flange formula seal assembly looks run through formula, the bolt on be equipped with the ring flange pressfitting mutually and with the lock nut that the bolt looks screw thread cup jointed. The flange type sealing assembly comprises an outer ring, a flange sealing gasket which is in clamping embedded type sleeve joint with the outer ring is arranged between the upper end and the lower end of the outer ring and the flange plate, and an axial sealing ring which is in clamping embedded type sleeve joint with the outer ring is arranged on the outer circle of the outer ring.
Preferably, an inner ring is arranged in the outer ring, and a spirally wound and nested wound steel belt is arranged between the inner ring and the outer ring.
Preferably, the thickness of the winding steel strip is not less than that of the inner ring, and the sum of the thicknesses of the outer ring and the two flange sealing gaskets is equal to that of the winding steel strip.
Preferably, the outer ring and the flange sealing gasket are respectively provided with a plurality of bolt through holes which are distributed in an annular shape and are sleeved with bolts.
Preferably, a pressing washer sleeved with the bolt is arranged between the bolt and the flange plate.
Preferably, a spring washer sleeved with the bolt is arranged between the locking nut and the flange plate.
Preferably, the cross section of the axial sealing ring is of a convex structure.
The utility model discloses can reach following effect:
the utility model provides a flange formula seal structure for pipeline compares with prior art, has compact structure, sealing performance good, withstand voltage wear-resisting, high temperature resistant and long service life's characteristics. The problem of flange joint withstand voltage reliability poor is solved. The sealing performance of the flange is improved, the normal operation of equipment is ensured, and the leakage of the flange is avoided.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the flange type sealing assembly of the present invention.
Fig. 3 is a sectional view of the flange type seal assembly of the present invention.
In the figure: the sealing structure comprises a flange plate 1, bolts 2, a flange type sealing assembly 3, a flow guide pipe 4, a pressure washer 5, a spring washer 6, a locking nut 7, an axial sealing ring 8, an outer ring 9, an inner ring 10, a flange sealing gasket 11, bolt through holes 12 and a winding steel belt 13.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): as shown in fig. 1, 2 and 3, a flange type sealing structure for a pipeline comprises a pair of flanges 1, a flange type sealing component 3 which is in clamping and sleeving connection with the flanges 1 is arranged between the two flanges 1, a draft tube 4 communicated with the flanges 1 and the flange type sealing component 3 is arranged at the other end of the flange 1, bolts 2 which are in penetrating and sleeving connection with 6 flange type sealing components 3 are arranged on the flange 1, and a pressing gasket 5 which is in sleeving connection with the bolts 2 is arranged between the bolts 2 and the flange 1. The bolt 2 is provided with a locking nut 7 which is pressed with the flange plate 1 and is in threaded sleeve joint with the bolt 2, and a spring washer 6 which is in sleeve joint with the bolt 2 is arranged between the locking nut 7 and the flange plate 1. The flange type sealing assembly 3 comprises an outer ring 9, an inner ring 10 is arranged in the outer ring 9, and a spirally wound and nested wound steel belt 13 is arranged between the inner ring 10 and the outer ring 9. A flange sealing gasket 11 which is connected with the outer ring 9 in a clamping and sleeving manner is arranged between the upper end and the lower end of the outer ring 9 and the flange plate 1, and 6 bolt through holes 12 which are distributed annularly and connected with the bolts 2 in a sleeving manner are arranged on the outer ring 9 and the flange sealing gasket 11. An axial sealing ring 8 which is embedded and sleeved with the outer ring 9 is arranged on the outer circle of the outer ring 9, and the cross section of the axial sealing ring 8 is of a convex structure. The thickness of the winding steel strip 13 is not less than that of the inner ring 10, and the sum of the thicknesses of the outer ring 9 and the two flange sealing gaskets 11 is equal to that of the winding steel strip 13.
To sum up, the flange type sealing structure for the pipeline has the characteristics of compact structure, good sealing performance, pressure resistance, wear resistance, high temperature resistance and long service life. The problem of flange joint withstand voltage reliability poor is solved. The sealing performance of the flange is improved, the normal operation of equipment is ensured, and the leakage of the flange is avoided.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims (7)

1. The utility model provides a flange formula seal structure for pipeline which characterized in that: the flange type sealing device comprises a pair of flanges (1), a flange type sealing component (3) which is in clamping embedded type sleeve joint with the flanges (1) is arranged between the two flanges (1), a guide pipe (4) communicated with the flanges (1) and the flange type sealing component (3) is arranged at the other end of the flanges (1), a plurality of bolts (2) which are in penetrating type sleeve joint with the flange type sealing component (3) are arranged on the flanges (1), and locking nuts (7) which are in press joint with the flanges (1) and in threaded sleeve joint with the bolts (2) are arranged on the bolts (2); flange formula seal assembly (3) include outer loop (9), outer loop (9) about both ends and ring flange (1) between be equipped with outer loop (9) looks inlay card flange seal gasket (11) that cup joint, outer loop (9) excircle on establish with outer loop (9) looks inlay card axial seal circle (8) that cup joint.
2. A flange seal construction for a pipeline according to claim 1 wherein: an inner ring (10) is arranged in the outer ring (9), and a spirally wound and nested wound steel belt (13) is arranged between the inner ring (10) and the outer ring (9).
3. A flange seal structure for a pipeline according to claim 2, wherein: the thickness of the winding steel belt (13) is not less than that of the inner ring (10), and the sum of the thicknesses of the outer ring (9) and the two flange sealing gaskets (11) is equal to that of the winding steel belt (13).
4. A flange seal construction for a pipeline according to claim 1 wherein: and a plurality of bolt through holes (12) which are distributed annularly and are sleeved with the bolts (2) are arranged on the outer ring (9) and the flange sealing gasket (11).
5. A flange seal construction for a pipeline according to claim 1 wherein: and a pressing washer (5) sleeved with the bolt (2) is arranged between the bolt (2) and the flange plate (1).
6. A flange seal construction for a pipeline according to claim 1 wherein: and a spring washer (6) sleeved with the bolt (2) is arranged between the locking nut (7) and the flange plate (1).
7. A flange seal construction for a pipeline according to claim 1 wherein: the cross section of the axial sealing ring (8) is of a convex structure.
CN202221619619.7U 2022-06-27 2022-06-27 Flange type sealing structure for pipeline Active CN217634414U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221619619.7U CN217634414U (en) 2022-06-27 2022-06-27 Flange type sealing structure for pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221619619.7U CN217634414U (en) 2022-06-27 2022-06-27 Flange type sealing structure for pipeline

Publications (1)

Publication Number Publication Date
CN217634414U true CN217634414U (en) 2022-10-21

Family

ID=83627963

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221619619.7U Active CN217634414U (en) 2022-06-27 2022-06-27 Flange type sealing structure for pipeline

Country Status (1)

Country Link
CN (1) CN217634414U (en)

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