CN218267783U

CN218267783U - High-temperature-resistant flange with good sealing performance

Info

Publication number: CN218267783U
Application number: CN202222400452.1U
Authority: CN
Inventors: 许勇
Original assignee: Jiangsu Feida Stainless Steel Co ltd
Current assignee: Jiangsu Feida Stainless Steel Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-01-10
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses a high temperature resistant flange that sealing performance is good relates to flange technical field, and is uneven in good performance on sealed effect for solving current flange, and in the flange joint use, when the fluid medium of transportation has corrosivity, will cause the damage to the sealed local of filling up that is used for sealed flange joint, makes sealed effect reduce, causes the fluid to spill over from the junction, influences the problem of the normal use of flange. Sealed chamber has been seted up to first flange bottom array, second flange upside array is provided with sealed piece, and sealed piece and second flange fixed connection, sealed piece and sealed chamber phase-match, first flange is fixed with the installation piece along sealed intracavity portion centre, installation piece outside array is fixed with the pressurization spring beam, the pressurization spring beam other end is fixed with the swivel mount No. one, the swivel mount other end is provided with the extrusion stem.

Description

High-temperature-resistant flange with good sealing performance

Technical Field

The utility model relates to a flange technical field specifically is a high temperature resistant flange that sealing performance is good.

Background

Flanges, also called flange plates or flanges, are parts for connecting shafts and pipes, are provided with mounting holes, are tightly connected by fastening bolts, are sealed by gaskets, are used in pairs, are additionally provided with sealing gaskets and are fastened by the fastening bolts, and have different thicknesses and different fastening bolts.

However, the existing flange has a good sealing effect, and when a transported fluid medium is corrosive during the use of the flange connection, a local part of a sealing gasket used for sealing the flange connection is damaged, so that the sealing effect of the sealing gasket is reduced, and fluid overflows from the connection to influence the normal use of the flange.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant flange that sealing performance is good to solve the current flange that proposes in the above-mentioned background art and present the good inequality on sealed effect, in the flange joint use, when the fluid medium of transportation has corrosivity, will cause the damage to the sealed local of filling up that is used for sealed flange junction, make sealed effect reduce, cause the fluid to spill over from the junction, influence the problem of the normal use of flange.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature resistant flange that sealing performance is good, includes first flange and second flange, sealed chamber has been seted up to first flange bottom array, second flange upside array is provided with sealed piece, and sealed piece and second flange fixed connection, sealed piece and sealed chamber phase-match, first flange is fixed with the installation piece along sealed intracavity portion centre, installation piece outside array is fixed with the pressure spring pole, the pressure spring pole other end is fixed with the swivel mount No. one, the swivel mount other end is provided with the stripper rod, the stripper rod other end is provided with the swivel mount No. two, sealed intracavity wall is provided with the pressure plate, and pressure plate and sealed chamber sliding connection, no. two other ends and pressure plate fixed connection, the pressure plate opposite side is fixed with sealed the pad No. two.

Preferably, the two sides of the bottom of the inner wall of the sealed cavity are fixedly provided with telescopic springs, the telescopic springs are distributed in the sealed cavity in an array mode, and the other ends of the telescopic springs are fixedly connected with the pressurizing plate.

Preferably, the other side of the sealing block is provided with a first sealing gasket, and the first sealing gasket is fixedly connected with the sealing block.

Preferably, the first sealing gasket and the second sealing gasket are both provided with sealing points in an array mode, and the sealing points are fixedly connected with the first sealing gasket and the second sealing gasket.

Preferably, the extrusion rod is rotatably connected with the first rotary seat through a rotary rod, and the second rotary seat is rotatably connected with the extrusion rod through a rotary rod.

Preferably, the mounting holes are formed in the first connecting flange and the second connecting flange in an annular array mode, the inner wall of each mounting hole is connected with a fastening bolt through threads, anti-skidding metal sheets are sleeved at two ends of each fastening bolt, fastening nuts are connected at two ends of each fastening bolt through threads along one side of each anti-skidding metal sheet, and guide grooves are formed in the inner walls of the first connecting flange and the second connecting flange.

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

1. the utility model discloses an in, through setting up sealed pad No. one, the pressurization spring pole, the extrusion stem, the sealed pad of pressure plate and No. two, when the fluid that first flange and second flange transported leads to sealed pad No. one or No. two to seal up the corruption, the pressurization spring pole under the compression state will promote the pressure plate through restoring force and remove, in order to drive sealed pad No. two and remove, keep and the seal leakproofness of being connected between the pad No. one, thereby solved current flange and appeared well being uneven on sealed effect, in the flange joint use, when the fluid medium of transportation has the corrosivity, will cause the damage to the sealed local of filling up that is used for sealed flange joint, make the sealed effect of filling up reduce, cause the fluid to spill over from the junction, influence the problem of the normal use of flange.

2. The utility model discloses an in, through setting up mounting hole, fastening bolt, anti-skidding sheetmetal and fastening nut, the usable mounting hole of staff, fastening bolt, anti-skidding sheetmetal and fastening nut are in the same place first flange and second flange connection, through threaded connection between fastening bolt and the mounting hole, fastening nut can consolidate the relation of connection of fastening bolt and mounting hole, and the leakproofness between fastening nut and first flange and the second flange can be guaranteed to the anti-skidding sheetmetal.

Drawings

Fig. 1 is a schematic view of a connection structure of a first connection flange and a second connection flange of the present invention;

fig. 2 is a schematic diagram of a separation structure of the first connecting flange and the second connecting flange of the present invention;

fig. 3 is a perspective view of a second connecting flange of the present invention;

fig. 4 is an enlarged view of the structure a of the present invention.

In the figure: 1. a first connecting flange; 2. a second connecting flange; 3. mounting holes; 4. fastening a bolt; 5. an anti-slip metal sheet; 6. fastening a nut; 7. a sealing block; 8. a first gasket; 9. sealing the cavity; 10. mounting blocks; 11. a pressurizing spring rod; 12. a first rotating seat; 13. an extrusion stem; 14. a second rotating seat; 15. a tension spring; 16. a pressurizing plate; 17. a second sealing gasket; 18. sealing the point; 19. a diversion trench.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: a high-temperature-resistant flange with good sealing performance comprises a first connecting flange 1 and a second connecting flange 2, wherein a sealing cavity 9 is formed in the bottom of the first connecting flange 1 in an array mode, a sealing block 7 is arranged on the upper side of the second connecting flange 2 in an array mode, the sealing block 7 is fixedly connected with the second connecting flange 2, the sealing block 7 is matched with the sealing cavity 9, a mounting block 10 is fixed on the first connecting flange 1 along the middle of the inside of the sealing cavity 9, a pressurizing spring rod 11 is fixed on the outer side of the mounting block 10 in an array mode, a first rotary seat 12 is fixed at the other end of the pressurizing spring rod 11, an extrusion rod 13 is arranged at the other end of the first rotary seat 12, a second rotary seat 14 is arranged at the other end of the extrusion rod 13, a pressurizing plate 16 is arranged on the inner wall of the sealing cavity 9, the pressurizing plate 16 is connected with the sealing cavity 9 in a sliding mode, the other end of the second rotary seat 14 is fixedly connected with the pressurizing plate 16, and a second sealing gasket 17 is fixed at the other end of the pressurizing plate 16, through arranging the first sealing gasket 8, the pressurizing spring rod 11, the extrusion rod 13, the pressurizing plate 16 and the second sealing gasket 17, when the first sealing gasket 8 or the second sealing gasket 17 is corroded by fluid transported by the first connecting flange 1 and the second connecting flange 2, the pressurizing spring rod 11 in a compressed state pushes the pressurizing plate 16 to move through restoring force so as to drive the second sealing gasket 17 to move and keep the sealing performance of the connection between the first sealing gasket 8 and the second sealing gasket, and therefore the problem that when the transported fluid medium is corrosive, the local part of the sealing gasket used for sealing the flange connection position is damaged, the sealing effect of the sealing gasket is reduced, the fluid overflows from the connection position, and the normal use of the flange is affected is solved.

Further, mounting holes 3 have been seted up to equal annular array of first flange 1 and second flange 2, there are fastening bolt 4 through threaded connection in the inner wall of mounting hole 3, anti-skidding sheetmetal 5 has been cup jointed at fastening bolt 4 both ends, there is fastening nut 6 at fastening bolt 4 both ends along anti-skidding sheetmetal 5 one side through threaded connection, guiding gutter 19 has all been seted up to first flange 1 and second flange 2 inner wall, through setting up mounting hole 3, fastening bolt 4, anti-skidding sheetmetal 5 and fastening nut 6, the usable mounting hole of staff 3, fastening bolt 4, anti-skidding sheetmetal 5 and fastening nut 6 link together first flange 1 and second flange 2, through threaded connection between fastening bolt 4 and the mounting hole 3, fastening nut 6 can consolidate the relation of being connected of fastening bolt 4 and mounting hole 3, leakproofness between fastening nut 6 and first flange 1 and second flange 2 can be guaranteed to anti-skidding sheetmetal 5.

The working principle is as follows: when the sealing device is used, a worker can utilize the mounting hole 3, the fastening bolt 4, the anti-skidding metal sheet 5 and the fastening nut 6 are used for connecting the first connecting flange 1 with the second connecting flange 2 together, during connection, the sealing block 7 and the sealing cavity 9 are matched with each other, the arranged first sealing gasket 8 extrudes the second sealing gasket 17, the second sealing gasket 17 pushes the pressure plate 16 to move under the action of force, the pressure plate 16 pushes the pressure spring rod 11 to shrink through the extrusion rod 13, when the pressure spring rod 11 cannot shrink and deform, the rest pressure can enable the first sealing gasket 8 and the second sealing gasket 17 to deform to a certain degree, so that the sealing block 7 and the sealing cavity 9 are sealed, the sealing performance between the first connecting flange 1 and the second connecting flange 2 is ensured, when the first sealing gasket 8 or the second sealing gasket 17 is corroded due to the fluid transported by the first connecting flange 1 and the second connecting flange 2, the pressure spring rod 11 in a compression state can push the pressure plate 16 to move through restoring force, the arranged expansion spring 15 can also be used, the restoring force of the self is enhanced, so that the restoring force of the second sealing gasket can be used for compensating the defect that the No. 8 and the No. 8 sealing gasket can be damaged when the No. 2 is damaged, and the No. 8 sealing gasket is maintained in the sealing gasket moving process, and the sealing gasket maintaining process, and the No. 17, and the defect that the No. 8 sealing gasket can be maintained in the sealing performance of the sealing gasket in the sealing process of the sealing gasket can be maintained.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.

Claims

1. The utility model provides a high temperature resistant flange that sealing performance is good, includes first flange (1) and second flange (2), its characterized in that: sealed chamber (9) have been seted up to first flange (1) bottom array, second flange (2) upside array is provided with sealed piece (7), and sealed piece (7) and second flange (2) fixed connection, sealed piece (7) and sealed chamber (9) phase-match, first flange (1) is fixed with installation piece (10) along sealed chamber (9) inside centre, installation piece (10) outside array is fixed with pressure spring pole (11), pressure spring pole (11) other end is fixed with a swivel mount (12), swivel mount (12) other end is provided with extrusion pole (13), the extrusion pole (13) other end is provided with swivel mount (14) No. two, sealed chamber (9) inner wall is provided with pressure plate (16), and pressure plate (16) and sealed chamber (9) sliding connection, swivel mount (14) other end and pressure plate (16) fixed connection, pressure plate (16) opposite side is fixed with sealed pad (17) No. two.

2. The high-temperature-resistant flange with good sealing performance as claimed in claim 1, wherein: the sealing cavity (9) is characterized in that telescopic springs (15) are fixed to two sides of the bottom of the inner wall of the sealing cavity (9), the telescopic springs (15) are distributed in the sealing cavity (9) in an array mode, and the other ends of the telescopic springs (15) are fixedly connected with a pressure plate (16).

3. The high-temperature-resistant flange with good sealing performance as claimed in claim 1, wherein: the other side of the sealing block (7) is provided with a first sealing gasket (8), and the first sealing gasket (8) is fixedly connected with the sealing block (7).

4. The high-temperature-resistant flange with good sealing performance as claimed in claim 3, wherein: a sealed pad (8) and No. two sealed pad (17) are all provided with sealed point (18) in array, and sealed point (18) and sealed pad (8) and No. two sealed pad (17) fixed connection.

5. The high-temperature-resistant flange with good sealing performance as claimed in claim 4, wherein: the extrusion rod (13) is rotatably connected with the first rotary seat (12) through a rotary rod, and the second rotary seat (14) is rotatably connected with the extrusion rod (13) through a rotary rod.

6. The high-temperature-resistant flange with good sealing performance as claimed in claim 1, wherein: mounting hole (3) have been seted up to first flange (1) and the equal ring array of second flange (2), there are fastening bolt (4) mounting hole (3) inner wall through threaded connection, antiskid sheetmetal (5) have been cup jointed at fastening bolt (4) both ends, there are fastening nut (6) at fastening bolt (4) both ends along antiskid sheetmetal (5) one side through threaded connection, guiding gutter (19) have all been seted up to first flange (1) and second flange (2) inner wall.