CN218094796U

CN218094796U - Sealing flange

Info

Publication number: CN218094796U
Application number: CN202222246430.4U
Authority: CN
Inventors: 李龙; 张茎; 高放; 钟昊; 吴光震; 高存义
Original assignee: Heilongjiang Yuantong Intelligent Petroleum Equipment Co ltd
Current assignee: Heilongjiang Yuantong Intelligent Petroleum Equipment Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2022-12-20
Anticipated expiration: 2032-08-25

Abstract

The utility model relates to a flange technical field specifically is a sealing flange, including first ring flange and second ring flange, first ring flange with one side of second ring flange all is provided with the connecting pipe, the first holding ring of circumference outer wall fixedly connected with of first ring flange, the circumference outer wall fixedly connected with second holding ring of second ring flange, the seal groove has been seted up to one side of first holding ring, be provided with second seal gasket in the seal groove. The utility model discloses in, inside the ring channel that the staff can insert the one end of the in-process sealed tube of first ring flange and second ring flange butt joint and set up of first ring flange one side inner wall, the first gasket of this in-process sealed tube circumference outer wall can extrude mutually with the circumference inner wall of first ring flange to make and remain sealed throughout between sealed tube and the first ring flange, realized the secondary seal to whole flange, further improved the holistic leakproofness of flange.

Description

Sealing flange

Technical Field

The utility model relates to a flange technical field specifically is a sealing flange.

Background

The flange is also called a flange collar or flange. The flange is a part for connecting the shafts and is used for connecting pipe ends; there are also flanges at the inlet and outlet of the equipment for connection between two pieces of equipment, such as reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. The pipeline flange is a flange used for piping in a pipeline device, and is used on equipment to be an inlet and outlet flange of the equipment. The flanges are provided with holes, and the two flanges are tightly connected through bolts.

At present, the leakproofness of its passageway is in order to guarantee to current flange, often only sets up a set of gasket in the flange inside and realizes holistic sealed, but certain damage or not hard up can appear through long-term the use in the gasket, can lead to whole flange leakproofness greatly reduced this moment to lead to the condition that the medium of its inside transmission appears leaking. Accordingly, there is a need for an improved sealing flange that addresses the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

Based on the weak point among the prior art that mentions among the above-mentioned background art, for this reason the utility model provides a sealing flange.

The utility model discloses an adopt following technical scheme to overcome above technical problem, specifically do:

the utility model provides a sealing flange, includes first ring flange and second ring flange, first ring flange with one side of second ring flange all is provided with the connecting pipe, the first holding ring of circumference outer wall fixedly connected with of first ring flange, the circumference outer wall fixedly connected with second holding ring of second ring flange, the seal groove has been seted up to one side of first holding ring, be provided with second seal gasket in the seal groove, one side outer wall fixedly connected with sealing ring of second holding ring, the specification of sealing ring with second seal gasket's specification looks adaptation, the inside of second ring flange is provided with filtering component.

As a further aspect of the present invention: first holding ring with the mounting groove has all been seted up to one side of second holding ring, first thread groove has been seted up to one side of mounting groove, the internal thread of first thread groove is connected with first threaded rod, first thread groove equidistance is circularly seted up first holding ring with on the circumference outer wall of second holding ring, another the inside of mounting groove is provided with the nut, first threaded rod with nut threaded connection.

As a further aspect of the present invention: the ring channel has been seted up to one side inner wall of first ring flange, one side inner wall fixedly connected with sealed tube of second ring flange, sealed tube keeps away from the transversal protruding type of personally submitting of one end of second ring flange, the one end of sealed tube with the ring channel cooperatees.

As a further aspect of the present invention: the annular groove is formed in the circumferential outer wall of the sealing pipe, a first sealing gasket is pasted on the circumferential inner wall of the annular groove, and the first sealing gasket is abutted to the circumferential inner wall of the first flange plate.

As the utility model discloses further scheme again: the filter assembly comprises a first filter screen and a second filter screen which are arranged inside a second flange plate, wherein a fixing lug is fixedly connected to the inner wall of the circumference of the second flange plate, a third thread groove is formed in one side of the first filter screen, a second threaded rod is connected to the inner thread of the third thread groove, the number of the fixing lug is two, and the fixing lugs are located on the first filter screen and one side of the second filter screen respectively.

As a further aspect of the present invention: one side of first filter screen is provided with integrated into one piece's locating piece, first filter screen is kept away from the constant head tank has been seted up to one side of locating piece, the specification of locating piece with the constant head tank cooperatees, the locating piece with second thread groove has all been seted up to one side of constant head tank, the inside threaded connection of second thread groove has the third threaded rod.

After the structure more than adopting, the utility model discloses compare in prior art, possess following advantage:

when a worker butt joints the first flange plate and the second flange plate, the second sealing gasket can be firstly placed in the sealing groove, and then when the first flange plate is connected with the second flange plate, the sealing ring on one side of the second flange plate can extrude and compress the second sealing gasket in the sealing groove, so that primary sealing of the first flange plate and the second flange plate is realized;

at the in-process that the staff docks first ring flange and second ring flange, inside the ring channel that the one end of sealing tube can insert first ring flange one side inner wall and set up, the first gasket of sealing tube circumference outer wall can extrude with the circumference inner wall of first ring flange in this in-process mutually to make and remain sealed throughout between sealing tube and the first ring flange, realized the secondary seal to whole flange, further improved the holistic leakproofness of flange.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is the schematic view of the split structure of the first flange and the second flange of the present invention.

Fig. 3 is a schematic sectional view of the first flange and the second flange of the present invention.

Fig. 4 is a schematic view of the filter assembly splitting structure of the present invention.

In the figure: 1. a first flange plate; 2. a connecting pipe; 3. a first positioning ring; 4. a second positioning ring; 5. a second flange plate; 6. a first threaded rod; 7. mounting grooves; 8. a nut; 9. a first thread groove; 10. a seal ring; 11. a first filter screen; 12. a first sealing gasket; 13. a second filter screen; 14. an annular groove; 15. a second sealing gasket; 16. fixing the lug; 17. a second threaded rod; 18. positioning blocks; 19. positioning a groove; 20. a second thread groove; 21. a third threaded rod; 22. and (5) sealing the tube.

Detailed Description

Please refer to fig. 1-4, in an embodiment of the present invention, a sealing flange includes a first flange plate 1 and a second flange plate 5, one side of the first flange plate 1 and the second flange plate 5 is provided with a connecting pipe 2, a first positioning ring 3 is fixedly connected to a circumferential outer wall of the first flange plate 1, a second positioning ring 4 is fixedly connected to a circumferential outer wall of the second flange plate 5, a sealing groove is formed in one side of the first positioning ring 3, a second sealing gasket 15 is disposed in the sealing groove, a sealing ring 10 is fixedly connected to a side outer wall of the second positioning ring 4, the specification of the sealing ring 10 is adapted to the specification of the second sealing gasket 15, a filtering component is disposed inside the second flange plate 5, when a worker butt-joints the first flange plate 1 and the second flange plate 5, the sealing ring 10 on one side of the second flange plate 5 can extrude and compress the second sealing gasket 15 inside the sealing groove, thereby realizing a sealing of the first flange plate 1 and the second flange plate 5.

In an embodiment of the present invention, the mounting groove 7 is opened at one side of the first positioning ring 3 and the second positioning ring 4, the first thread groove 9 is opened at one side of the mounting groove 7, the internal thread of the first thread groove 9 is connected with the first threaded rod 6, the first thread groove 9 is equidistantly circularly opened on the outer wall of the circumference of the first positioning ring 3 and the second positioning ring 4, the nut 8 is arranged inside the other mounting groove 7, the first threaded rod 6 is connected with the nut 8 by threads, and the first flange plate 1 and the second flange plate 5 can be effectively and fixedly connected by the multiple sets of the first threaded rods 6.

In another embodiment of the present invention, the annular groove 14 is opened on one side of the inner wall of the first flange 1, the sealing tube 22 is fixedly connected to one side of the inner wall of the second flange 5, the cross section of the end of the sealing tube 22 away from the second flange 5 is convex, and the end of the sealing tube 22 is matched with the annular groove 14.

In the utility model discloses a still another embodiment, the annular has been seted up to the circumference outer wall of sealed tube 22, the circumference inner wall of annular is pasted and is had first seal gasket 12, first seal gasket 12 is inconsistent with the circumference inner wall of first ring flange 1, the staff can insert inside the ring channel 14 that the inner wall was seted up on one side of the first ring flange 1 with the in-process sealed tube 22 of the butt joint of second ring flange 5 with first ring flange 1 one end, the first seal gasket 12 of the circumference outer wall of sealed tube 22 can extrude mutually with the circumference inner wall of first ring flange 1 at this in-process, thereby make and remain sealed between sealed tube 22 and the first ring flange 1 throughout, the secondary seal to whole flange has been realized, the holistic leakproofness of flange has further been improved.

In the utility model discloses a still another embodiment, the filter assembly includes first filter screen 11 and the second filter screen 13 that sets up in second ring flange 5 inside, and the fixed ear 16 of circumference inner wall fixedly connected with of second ring flange 5, fixed ear 16 all seted up the third thread groove with one side of first filter screen 11, and the internal thread of third thread groove is connected with second threaded rod 17, and the figure of fixed ear 16 is two sets of, and two sets of fixed ears 16 are located one side of first filter screen 11 and second filter screen 13 respectively.

In the utility model discloses a still another embodiment, one side of first filter screen 11 is provided with integrated into one piece's locating piece 18, locating slot 19 has been seted up to one side that locating piece 18 was kept away from to first filter screen 11, the specification of locating piece 18 cooperatees with locating slot 19, second thread groove 20 has all been seted up to one side of locating piece 18 and locating slot 19, the internal thread of second thread groove 20 is connected with third threaded rod 21, can filter the impurity in the transport medium through setting up at inside first filter screen 11 of second ring flange 5 and second filter screen 13, first filter screen 11 and second filter screen 13 are the assembled simultaneously, and first filter screen 11 and second filter screen 13 are crisscross fixed, consequently can not take place along with the long-term transport of a direction of medium leads to its condition not hard up to take place.

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 departing from the spirit or essential characteristics of the invention.

Claims

1. The utility model provides a sealing flange, includes first ring flange (1) and second ring flange (5), its characterized in that, first ring flange (1) with one side of second ring flange (5) all is provided with connecting pipe (2), circumference outer wall fixedly connected with first holding ring (3) of first ring flange (1), circumference outer wall fixedly connected with second holding ring (4) of second ring flange (5), the seal groove has been seted up to one side of first holding ring (3), be provided with second seal gasket (15) in the seal groove, one side outer wall fixedly connected with sealing ring (10) of second holding ring (4), the specification of sealing ring (10) with the specification looks adaptation of second seal gasket (15), the inside of second ring flange (5) is provided with filtering component.

2. The sealing flange as claimed in claim 1, wherein a mounting groove (7) is formed on each of one sides of the first positioning ring (3) and the second positioning ring (4), a first thread groove (9) is formed on one side of the mounting groove (7), a first threaded rod (6) is connected to an inner thread of the first thread groove (9), the first thread grooves (9) are equidistantly and circularly formed on the circumferential outer walls of the first positioning ring (3) and the second positioning ring (4), a nut (8) is arranged inside the other mounting groove (7), and the first threaded rod (6) is in threaded connection with the nut (8).

3. The sealing flange according to claim 2, characterized in that an annular groove (14) is formed in an inner wall of one side of the first flange plate (1), a sealing tube (22) is fixedly connected to an inner wall of one side of the second flange plate (5), a cross section of one end of the sealing tube (22) far away from the second flange plate (5) is convex, and one end of the sealing tube (22) is matched with the annular groove (14).

4. A sealing flange according to claim 3, characterized in that the circumferential outer wall of the sealing tube (22) is provided with a ring groove, the circumferential inner wall of the ring groove is adhered with the first sealing gasket (12), and the first sealing gasket (12) abuts against the circumferential inner wall of the first flange plate (1).

5. The sealing flange as claimed in claim 1, wherein the filtering assembly comprises a first filtering net (11) and a second filtering net (13) which are arranged inside the second flange plate (5), a fixing lug (16) is fixedly connected to the inner circumferential wall of the second flange plate (5), a third thread groove is formed in each of the fixing lug (16) and one side of the first filtering net (11), a second threaded rod (17) is connected to the inner thread of the third thread groove, the number of the fixing lugs (16) is two, and the two fixing lugs (16) are respectively located on one side of the first filtering net (11) and one side of the second filtering net (13).

6. The sealing flange according to claim 5, characterized in that a positioning block (18) is integrally formed on one side of the first filter screen (11), a positioning groove (19) is formed on one side of the first filter screen (11) away from the positioning block (18), the specification of the positioning block (18) is matched with that of the positioning groove (19), second thread grooves (20) are formed on one sides of the positioning block (18) and the positioning groove (19), and a third threaded rod (21) is connected to the inner threads of the second thread grooves (20).