CN213420224U

CN213420224U - Flange for petrochemical engineering

Info

Publication number: CN213420224U
Application number: CN202022457526.6U
Authority: CN
Inventors: ***
Original assignee: Zhejiang Daye Flange Co Ltd
Current assignee: Zhejiang Daye Flange Co Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-11
Anticipated expiration: 2030-10-30

Abstract

The utility model relates to the technical field of flanges, in particular to a flange for petrochemical engineering, which comprises a first flange plate, wherein the side wall of the first flange plate is connected with a second flange plate by arranging a plurality of groups of connecting mechanisms, the side wall of one end of the first flange plate and the second flange plate is fixedly connected with a pipeline, the side wall of the other end of the first flange plate and the side wall of the other end of the second flange plate are respectively fixedly connected with a first connecting post and a second connecting post, the side walls of the first connecting post and the second connecting post are respectively provided with a first clamping groove and a second clamping groove, the inner wall of the second clamping groove is fixedly connected with a sealing ring, the end part of the first connecting post is inserted in the second clamping groove, the end part of the first connecting post is pressed against the side wall of the sealing ring, the end part of the second connecting post is inserted in the first clamping groove, and the inner, the flange is convenient to mount.

Description

Flange for petrochemical engineering

Technical Field

The utility model relates to a flange technical field especially relates to a flange for petrochemical engineering.

Background

Petrochemical engineering in the facility construction process, need a large amount of pipelines of use for the transportation of gas and liquid, wherein in pipeline construction process, pipe connection is an important operation link, and current pipe connection is generally through welding the ring flange earlier, connecting the pipeline through the mode of bolt fastening ring flange, wherein, in order to prevent that the pipeline from leaking, can insert the gasket between the ring flange, then, the gasket slides easily, leads to the leakproofness not good and difficult installation.

Disclosure of Invention

The utility model aims at solving the shortcoming that the leakproofness is not good and difficult installation among the prior art, and the flange for petrochemical engineering who provides.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a flange for petrochemical engineering comprises a first flange plate, wherein the side wall of the first flange plate is connected with a second flange plate through a plurality of groups of connecting mechanisms, the side walls of one ends of the first flange plate and the second flange plate are fixedly connected with pipelines, the side walls of the other ends of the first flange plate and the second flange plate are respectively and fixedly connected with a first connecting column and a second connecting column, the side walls of the first connecting post and the second connecting post are respectively provided with a first clamping groove and a second clamping groove, and the inner wall of the second clamping groove is fixedly connected with a sealing ring, the end part of the first connecting post is inserted in the second clamping groove, the end part of the first connecting column props against the side wall of the sealing ring, the end part of the second connecting column is inserted in the first clamping groove, and an annular sealing ring is arranged in the second connecting column, the inner wall of the annular sealing ring is attached to the outer surface of the second connecting column, and a fastening mechanism is arranged on the outer surface of the annular sealing ring.

Preferably, coupling mechanism includes a plurality of cartridge bolts at first ring flange and second ring flange lateral wall, the bolt has four and is the circular array and lays, just first ring flange and second ring flange are screw-thread fit with the bolt, the one end cover of bolt is equipped with the nut and screw-thread fit with it.

Preferably, the outer surface of the bolt is sleeved with a spring, one end of the spring is fixedly connected with the side wall of one end of the first flange plate, and the other end of the spring abuts against the side wall of one end of the second flange plate.

Preferably, fastening device includes a plurality of card lamellas of fixed mounting at the ring packing lateral wall, the card lamella has six and is the annular array and lays, the card lamella passes the lateral wall of first spliced pole and sliding fit with it, the screw thread has been inlayed to first spliced pole surface, second spliced pole surface cover is equipped with the sleeve and normal running fit with it, just sleeve inner wall and screw thread phase-match and screw thread fit with it.

Preferably, the cross section of the sealing ring is U-shaped, and the side wall of the sealing ring is attached to the outer wall of the first connecting column.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a set up first ring flange, coupling mechanism, ring type seal etc. with the tip difference cartridge of first spliced pole and second spliced pole inside second draw-in groove and first draw-in groove, screw up the bolt, the second spliced pole supports the inside sealing washer of second draw-in groove and forms the first order sealed, rotate sleeve to the surface of muffjoint at first spliced pole, thereby the sleeve supports the card lamella and can lock ring type seal to it is sealed to form the second level, through setting up the spring, can support the nut always by the second ring flange, prevents that the nut from droing and plays the early warning effect, the utility model discloses be favorable to improving the leakproofness, make things convenient for the flange to install.

Drawings

FIG. 1 is a schematic structural view of a flange for petrochemical engineering according to the present invention;

fig. 2 is the utility model relates to a cross-sectional view of flange for petrochemical engineering.

In the figure: a first flange plate 1; a clamping flap 2; a spring 3; a second flange plate 4; a pipe 5; a nut 6; a sleeve 7; a bolt 8; a first connecting post 9; an annular seal ring 10; a seal ring 11; a second connecting column 12; a thread 13; a first card slot 14; and a second card slot 15.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-2, a flange for petrochemical engineering comprises a first flange plate 1, a side wall of the first flange plate 1 is connected with a second flange plate 4 by a plurality of sets of connecting mechanisms, a pipeline 5 is fixedly connected to both one end side walls of the first flange plate 1 and the second flange plate 4, a first connecting column 9 and a second connecting column 12 are respectively fixedly connected to the other end side walls of the first flange plate 1 and the second flange plate 4, a first clamping groove 14 and a second clamping groove 15 are respectively formed on the side walls of the first connecting column 9 and the second connecting column 12, a sealing ring 11 is fixedly connected to the inner wall of the second clamping groove 15, the end portion of the first connecting column 9 is inserted into the second clamping groove 15, the end portion of the first connecting column 9 abuts against the side wall of the sealing ring 11, the end portion of the second connecting column 12 is inserted into the first clamping groove 14, an annular sealing ring 10 is arranged inside the second connecting column 12, the inner wall of the annular, the outer surface of the ring seal 10 is provided with fastening means.

Coupling mechanism includes a plurality of cartridges at the bolt 8 of first ring flange 1 with the 4 lateral walls of second ring flange, and bolt 8 has four and is circular array and lays, and first ring flange 1 and second ring flange 4 are screw-thread fit with bolt 8, and the one end cover of bolt 8 is equipped with nut 6 and screw-thread fit with it, through bolt 8, can connect first ring flange 1 and second ring flange 4.

The outer surface of the bolt is sleeved with a spring 3, one end of the spring 3 is fixedly connected with one end side wall of the first flange plate 1, the other end of the spring 3 is abutted against one end side wall of the second flange plate 4, and when the nut 6 is loosened, the second flange plate 4 can always abut against the nut 6 due to the effect of the spring 3, so that the nut 6 is prevented from falling off, and the early warning effect is achieved.

Fastening device includes a plurality of card lamella 2 of fixed mounting at ring packing 10 lateral walls, card lamella 2 has six and is the annular array and lays, card lamella 2 passes the lateral wall of first spliced pole 9 and sliding fit with it, screw thread 13 has been inlayed to first spliced pole 9 surface, 12 outer surface covers of second spliced pole are equipped with sleeve 7 and normal running fit with it, and sleeve 7 inner wall and screw thread 13 phase-match and screw thread fit with it, through setting up sleeve 7, it overlaps completely at first spliced pole 9 surface to rotate sleeve 7 to sleeve 7, thereby sleeve 7 can support card lamella 2, thereby can lock ring packing 10, improve the leakproofness.

The cross-section of the sealing ring 10 is U-shaped, and the side wall of the sealing ring 10 is attached to the outer wall of the first connecting column 9, so that the first connecting column 9 can be inserted into the sealing ring 10 to play a role in first-stage sealing.

During operation, with the tip cartridge respectively of first spliced pole 9 and second spliced pole 12 inside second draw-in groove 15 and first draw-in groove 14, screw up bolt 8, the second spliced pole 12 supports the inside sealing washer 11 of second draw-in groove 15 and forms first order sealed, rotate sleeve 7 to sleeve 7 cover at the surface of first spliced pole 9, thereby sleeve 7 supports card lamella 2 can lock ring 10, thereby it is sealed to form the second level, through setting up spring 3, can support nut 6 always by second ring flange 4, prevent that nut 6 from coming off and play the early warning effect, the utility model discloses be favorable to improving the leakproofness, make things convenient for the flange to install.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a flange for petrochemical engineering, includes first ring flange (1), its characterized in that, first ring flange (1) lateral wall is connected with second ring flange (4) through setting up multiunit coupling mechanism, the equal fixedly connected with pipeline (5) of one end lateral wall of first ring flange (1) and second ring flange (4), the other end lateral wall of first ring flange (1) and second ring flange (4) is fixedly connected with first spliced pole (9) and second spliced pole (12) respectively, first draw-in groove (14) and second draw-in groove (15) have been seted up respectively to the lateral wall of first spliced pole (9) and second spliced pole (12), just second draw-in groove (15) inner wall fixedly connected with sealing washer (11), first spliced pole (9) tip cartridge is inside second draw-in groove (15), just first spliced pole (9) tip supports the lateral wall of sealing washer (11), the end part of the second connecting column (12) is inserted into the first clamping groove (14), an annular sealing ring (10) is arranged inside the second connecting column (12), the inner wall of the annular sealing ring (10) is attached to the outer surface of the second connecting column (12), and a fastening mechanism is arranged on the outer surface of the annular sealing ring (10).

2. The flange for petrochemical engineering according to claim 1, characterized in that, coupling mechanism includes bolt (8) of a plurality of cartridges at first ring flange (1) and second ring flange (4) lateral wall, bolt (8) have four and be circular array and lay, just first ring flange (1) and second ring flange (4) are screw-thread fit with bolt (8), the one end cover of bolt (8) is equipped with nut (6) and screw-thread fit with it.

3. The flange for petrochemical engineering according to claim 2, wherein the bolt is sleeved with a spring (3), one end of the spring (3) is fixedly connected with one end side wall of the first flange plate (1), and the other end of the spring (3) abuts against one end side wall of the second flange plate (4).

4. The flange for petrochemical engineering according to claim 1, characterized in that, fastening device includes a plurality of card lamella (2) of fixed mounting at ring packing (10) lateral wall, card lamella (2) have six and be the annular array and lay, card lamella (2) pass the lateral wall of first spliced pole (9) and sliding fit with it, screw thread (13) have been inlayed to first spliced pole (9) surface, second spliced pole (12) surface cover is equipped with sleeve (7) and normal running fit with it, just sleeve (7) inner wall and screw thread (13) phase-match and screw thread fit with it.

5. The flange for petrochemical engineering according to claim 1, wherein the cross section of the sealing ring (10) is U-shaped, and the side wall of the sealing ring (10) is attached to the outer wall of the first connecting column (9).