CN218625890U

CN218625890U - Sealing assembly and flange

Info

Publication number: CN218625890U
Application number: CN202223135497.7U
Authority: CN
Inventors: 刘超; 韩大保; 刘欢
Original assignee: Jiangsu Qinggao Precision Industrial Parts Co ltd
Current assignee: Jiangsu Qinggao Precision Industrial Parts Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-03-14
Anticipated expiration: 2032-11-24

Abstract

The utility model relates to a flange field specifically discloses a seal assembly and flange, include: the flange comprises two flange bodies and two clamping fixing rings, wherein the clamping fixing rings are positioned between the two flange bodies, a placing table is arranged on the side wall of the inner side of one end of each flange body, and a sealing ring is connected in the placing table; offer flutedly on the outer wall lateral wall of block retainer plate, through fixing the sealing washer in placing the platform, will seal up to fix on the outer wall of block retainer plate, through insert two respectively the upper and lower ends of block retainer plate and place the platform in, pass the bolt hole on the flange body through the bolt, fix two flange bodies together, through removing two flange bodies to the inboard, extrude the block retainer plate, when letting the upper and lower end of block retainer plate and sealing washer contact, the inner wall of two flange bodies and the sealed lateral wall zonulae occludens of filling up, play the effect to flange body double seal.

Description

Sealing assembly and flange

Technical Field

The utility model relates to a flange field specifically is a seal assembly and flange.

Background

The flange connection is that two pipelines, pipe fittings or equipment are respectively fixed on a flange plate, a flange pad is arranged between the two flange plates and fastened together by bolts to finish connection, some pipe fittings and equipment are provided with the flange plates, and the flange connection also belongs to flange connection, is an important connection mode for pipeline construction, is convenient to use and can bear larger pressure, and the flange connection is very wide in use in industrial pipelines.

Chinese patent CN210088216U discloses a flange with seal assembly, this flange with seal assembly plays sealed effect through setting up the block retainer plate and sealed the pad, and the block retainer plate cooperation flange main part that sets up makes the fixed of sealed pad need not sticky, can solve the problem that adopts the block fixed seal pad to easily drop when making things convenient for the later stage change again, and simultaneously, sealed inside installation's of sealing up reinforcing ring board can strengthen sealed intensity of filling up, increase of service life.

However, the flange in the above scheme has only one sealing structure, and after the sealing gasket is used for a long time, the sealing gasket may be aged or the gasket may be worn by the washing of liquid in the flange, so that the sealing performance is affected, and the sealing effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seal assembly and flange to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sealing assembly comprises two flange bodies and two clamping and fixing rings, wherein the clamping and fixing rings are positioned between the two flange bodies, a placing table is arranged on the side wall of the inner side of one end of each flange body, and a sealing ring is connected in the placing table;

the side wall of the outer wall of the clamping fixing ring is provided with a groove, and the groove is connected with a sealing gasket through a convex block.

Preferably, the placing table is convex, and an outer port of the placing table is larger than an inner port.

Preferably, the lower port inner wall of the placing table is provided with a limiting groove, the limiting groove is in a circular ring shape, and the crossing position of the limiting groove and the placing table is provided with a slope.

Preferably, a clamping groove is formed in the side wall of the outer end of the sealing ring, and a connecting pad is fixedly connected to the side wall of the upper end of the sealing ring.

Preferably, the lower end of the sealing ring is inserted into the limit groove in an extruding mode, and the lower end of the connecting pad is in contact with the inner wall of the upper end of the placing table.

Preferably, the groove and the bump are both circular, the outer wall of the bump is fixedly connected to the inner end side wall of the sealing gasket, and the inner wall of the bump is inserted into the groove in an extruding manner.

Preferably, the lower end of the clamping fixing ring is inserted into the placing table, and the sealing gasket is in contact with the side wall of the flange body.

A flange comprises the sealing assembly.

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

through fixing the sealing washer in placing the platform, will seal the pad and fix on the outer wall of block retainer plate, through insert two respectively with the upper and lower ends of block retainer plate and place the platform in, pass the bolt hole on the flange body through the bolt, with two flange bodies together fixed, through removing two flange bodies to the inboard, extrude the block retainer plate, when letting the last lower extreme of block retainer plate and sealing washer contact, the inner wall of two flange bodies and the sealed lateral wall zonulae occludens of filling up play the effect to flange body double seal.

Drawings

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

FIG. 2 is a schematic view of the connection between the flange body and the gasket of the present invention;

fig. 3 is a schematic sectional view of a part of the structure of the present invention.

In the figure: 1. a flange body; 2. a placing table; 3. a limiting groove; 4. a slope; 5. a seal ring; 6. a clamping groove; 7. a connecting pad; 8. clamping the fixed ring; 9. a groove; 10. a bump; 11. and a gasket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.

The first embodiment is as follows:

referring to fig. 1-3, the present invention provides a technical solution: a sealing assembly comprises two flange bodies 1 and two clamping and fixing rings 8, wherein the clamping and fixing rings 8 are positioned between the two flange bodies 1, a placing table 2 is arranged on the side wall of the inner side of one end of each flange body 1, and a sealing ring 5 is connected in the placing table 2; the flange comprises a flange body 1, a clamping fixing ring 8 and a sealing gasket 11, wherein the side wall of the outer wall of the clamping fixing ring 8 is provided with a groove 9, the groove 9 is connected with the sealing gasket 11 through a bump 10, the lower end of the clamping fixing ring 8 is inserted into the placing table 2, and the sealing gasket 11 is in contact with the side wall of the flange body 1;

during the use, fix flange body 1 on the pipeline, fix sealing washer 5 in placing platform 2, fix sealed pad 11 on the outer wall of block retainer plate 8, through insert two respectively the upper and lower ends of block retainer plate 8 in placing platform 2, pass the bolt hole on the flange body 1 through the bolt, fix two flange bodies 1 together, through moving two flange bodies 1 to the inside, extrude block retainer plate 8, when letting the upper and lower ends of block retainer plate 8 and sealing washer 5 contact, the inner wall of two flange bodies 1 and the lateral wall zonulae occludens of sealed pad 11 play the effect to flange body 1 double seal.

Example two:

on the basis of the first embodiment, in order to fix the sealing ring 5, the placing table 2 is convex, an outer port of the placing table 2 is larger than an inner port, a limiting groove 3 is formed in the inner wall of a lower port of the placing table 2, the limiting groove 3 is annular, a slope 4 is arranged at the intersection of the limiting groove 3 and the placing table 2, a clamping groove 6 is formed in the side wall of the outer end of the sealing ring 5, a connecting pad 7 is fixedly connected to the side wall of the upper end of the sealing ring 5, the lower end of the sealing ring 5 is inserted into the limiting groove 3 in an extruding mode, and the lower end of the connecting pad 7 is in contact with the inner wall of the upper end of the placing table 2;

through squeezing sealing washer 5, let the lower extreme lateral wall of sealing washer 5 insert the spacing groove 3 in, let 6 joints in joint groove on placing the lateral wall between platform 2 and the spacing groove 3 to fix sealing washer 5, when needs are changed sealing washer 5, through with sealing washer 5 hard toward dragging outward, can take out sealing washer 5.

Example three:

on the basis of the first embodiment, in order to facilitate replacement of the sealing gasket 11, the groove 9 and the bump 10 are both in a circular ring shape, the outer wall of the bump 10 is fixedly connected to the inner end side wall of the sealing gasket 11, and the inner wall of the bump 10 is inserted into the groove 9 in a squeezing mode.

When the sealing gasket 11 needs to be replaced, the sealing gasket 11 is forcibly pressed into the groove 9 from the outer wall of the clamping fixing ring 8 by the convex block 10 on the inner side of the new sealing gasket 11, and then the sealing gasket 11 can be replaced.

During the in-service use, fix flange body 1 on the pipeline during use, fix sealing washer 5 in placing platform 2, fix sealed pad 11 on the outer wall of block retainer plate 8, place the platform 2 through inserting two respectively with the upper and lower ends of block retainer plate 8 in, pass the bolt hole on the flange body 1 through the bolt, fix two flange bodies 1 together, through moving two flange bodies 1 to the inboard, extrude block retainer plate 8, when letting the upper and lower end of block retainer plate 8 and sealing washer 5 contact, the inner wall of two flange bodies 1 and the lateral wall zonulae occludens of sealed pad 11 play the effect to flange body 1 double seal.

Although 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 alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sealing assembly, includes flange body (1) and block retainer plate (8), and flange body (1) is equipped with two, and block retainer plate (8) are located between two flange bodies (1), its characterized in that: a placing table (2) is arranged on the side wall of the inner side of one end of each flange body (1), and a sealing ring (5) is connected in each placing table (2);

a groove (9) is formed in the side wall of the outer wall of the clamping fixing ring (8), and the groove (9) is connected with a sealing gasket (11) through a bump (10).

2. A seal assembly according to claim 1, wherein: the placing table (2) is convex, and an outer port of the placing table (2) is larger than an inner port.

3. A seal assembly according to claim 2, wherein: the lower end opening inner wall of the placing table (2) is provided with a limiting groove (3), the limiting groove (3) is in a circular ring shape, and a slope (4) is arranged at the intersection of the limiting groove (3) and the placing table (2).

4. A seal assembly according to claim 3, wherein: the outer end side wall of the sealing ring (5) is provided with a clamping groove (6), and the upper end side wall of the sealing ring (5) is fixedly connected with a connecting pad (7).

5. A seal assembly according to claim 4, wherein: the lower end of the sealing ring (5) is inserted into the limiting groove (3) in an extruding mode, and the lower end of the connecting pad (7) is in contact with the inner wall of the upper end of the placing table (2).

6. A seal assembly according to claim 5, wherein: the groove (9) and the bump (10) are both in a circular ring shape, the outer wall of the bump (10) is fixedly connected to the inner end side wall of the sealing gasket (11), and the inner wall of the bump (10) is inserted into the groove (9) in an extruding mode.

7. A seal assembly according to claim 6, wherein: the lower end of the clamping fixing ring (8) is inserted into the placing table (2), and meanwhile the sealing gasket (11) is in contact with the side wall of the flange body (1).

8. A flange, characterized in that: comprising a sealing assembly according to any of the preceding claims 1-7.