CN208951481U - A kind of anti-leak petrochemical pipe stainless steel connecting flange - Google Patents

A kind of anti-leak petrochemical pipe stainless steel connecting flange Download PDF

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Publication number
CN208951481U
CN208951481U CN201821817543.2U CN201821817543U CN208951481U CN 208951481 U CN208951481 U CN 208951481U CN 201821817543 U CN201821817543 U CN 201821817543U CN 208951481 U CN208951481 U CN 208951481U
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CN
China
Prior art keywords
flange plate
thread groove
leak
stainless steel
flange
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CN201821817543.2U
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Chinese (zh)
Inventor
陈东大
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Changzhou Wujin Xueyan Petrochemical Spare Parts Co Ltd
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Changzhou Wujin Xueyan Petrochemical Spare Parts Co Ltd
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Priority to CN201821817543.2U priority Critical patent/CN208951481U/en
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Publication of CN208951481U publication Critical patent/CN208951481U/en
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Abstract

The utility model discloses a kind of anti-leak petrochemical pipe stainless steel connecting flanges, including the flange body being made of flange plate and corrosion resisting cushion, multiple groups thread groove is offered on the flange plate, the flange plate is equipped with multiple fins, thread groove described in every group is respectively positioned between two fins, the inner bottom wall of the thread groove is bonded with gasket, multiple threaded holes corresponding with thread groove are offered on the corrosion resisting cushion, are threaded with threaded rod in the corresponding thread groove and threaded hole.The utility model in thread groove by screwing threaded rod, it is fixed on corrosion resisting cushion on flange plate, corrosion of the petroleum to flange plate can effectively be resisted, the generation of the case where to prevent flange plate from causing Oil spills because of corrosion by petroleum, by the way that sealing ring is arranged, sealing ring is made of rubber, and the junction of flange plate and chemical pipeline can be made to fit closely, and prevents petroleum from leaking from the junction of flange plate and chemical pipeline.

Description

A kind of anti-leak petrochemical pipe stainless steel connecting flange
Technical field
The utility model relates to stainless steel connecting flange field more particularly to a kind of anti-leak petrochemical pipe stainless steels Connecting flange.
Background technique
Flange is also known as ring flange, is to make pipeline and pipeline and valve part interconnected, is connected to the end of pipeline, method Perforation on orchid, flange point are threadedly coupled flange, welded flange and cutting ferrule flange.
But existing flange causes flange plate to be subject to stone after long-term use due to being made of simple using metal Oil corrosion, causes the petroleum in chemical pipeline to leak.
Summary of the invention
Purpose of the utility model is to solve the problems in background techniques, and a kind of anti-leak petrochemical industry proposed Pipeline stainless steel connecting flange.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of anti-leak petrochemical pipe stainless steel connecting flange, including the flange being made of flange plate and corrosion resisting cushion Ontology, multiple groups thread groove is offered on the flange plate, and the flange plate is equipped with multiple fins, the equal position of thread groove described in every group Between two fins, the inner bottom wall of the thread groove is bonded with gasket, and multiple and spiral shell is offered on the corrosion resisting cushion The corresponding threaded hole of groove is threaded with threaded rod, the flange plate in the corresponding thread groove and threaded hole Side wall on be bonded with sealing ring, mounting hole is offered on the flange plate, is installed with installing ring on the inner wall of the mounting hole.
Preferably, multiple placing grooves are offered on the inner wall of the installing ring, the inner bottom wall of each placing groove is solid Surely it is connected with compressed spring, the other end of each compressed spring is fixedly connected to clamping plate.
Preferably, antirust pad is bonded on the inner wall of the installing ring.
Preferably, installation cavity is offered in the flange plate, is installed with foam-rubber cushion in the installation cavity.
Preferably, the sealing ring and gasket are made of rubber.
Preferably, the corrosion resisting cushion is made of polytetrafluoroethylene (PTFE) pad.
Compared with prior art, the advantages of this anti-leak petrochemical pipe stainless steel connecting flange, is:
1, threaded rod, thread groove, sealing ring and corrosion resisting cushion is arranged is made resistance to by screwing threaded rod in thread groove Corrosion pad is fixed on flange plate, and corrosion resisting cushion is made of polytetrafluoroethylene (PTFE) pad, and polytetrafluoroethylene (PTFE) is that one kind is hard, is tightened greatly, Three-dimensional space easily shapes, and can inlay into benefit at microcrack and damage and split leak stopping, have the acidproof, alkaline-resisting of strength, LP blades The material of performance can effectively resist corrosion of the petroleum to flange plate, to prevent flange plate from causing stone because of corrosion by petroleum The case where oil leaks, by the way that sealing ring is arranged, sealing ring is made of rubber, can make the junction of flange plate and chemical pipeline It fits closely, prevents petroleum from leaking from the junction of flange plate and chemical pipeline.
2, setting foam-rubber cushion increases the elasticity of flange plate, can extend flange plate by the way that foam-rubber cushion is arranged in flange plate Service life prevents flange plate from generating damage after being rigidly connected for a long time with chemical pipeline.
3, placing groove, compressed spring and clamping plate are set, the installation being put into the screw rod on chemical pipeline in mounting hole is passed through In circle, the elastic force that compressed spring is generated by deformation after loosing one's grip, the side wall for the screw rod for pushing clamping plate to be close on chemical pipeline, to change Screw rod on work pipeline is gripped, and is prevented in use, and the screw rod on chemical pipeline falls off out of installing ring.
In conclusion the utility model makes corrosion resisting cushion be fixed on flange plate by screwing threaded rod in thread groove On, corrosion of the petroleum to flange plate can be effectively resisted, to prevent flange plate from causing Oil spills because of corrosion by petroleum It happens, by the way that sealing ring is arranged, sealing ring is made of rubber, and the junction of flange plate and chemical pipeline can be made closely to paste It closes, prevents petroleum from leaking from the junction of flange plate and chemical pipeline.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of anti-leak petrochemical pipe stainless steel connecting flange front view;
Fig. 2 be the utility model proposes a kind of anti-leak petrochemical pipe stainless steel connecting flange in installing ring just View;
Fig. 3 be the utility model proposes a kind of anti-leak petrochemical pipe stainless steel connecting flange side view.
In figure: 1 flange plate, 2 thread grooves, 3 fins, 4 corrosion resisting cushions, 5 mounting holes, 6 installing rings, 7 sealing rings, 8 placing grooves, 9 compressed springs, 10 clamping plates, 11 antirust pads, 12 foam-rubber cushions, 13 threaded rods, 14 threaded holes, 15 gaskets.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.
Referring to Fig.1-3, a kind of anti-leak petrochemical pipe stainless steel connecting flange, including by flange plate 1 and corrosion-resistant The flange body that pad 4 is constituted, corrosion resisting cushion 4 are made of polytetrafluoroethylene (PTFE) pad, and polytetrafluoroethylene (PTFE) is that one kind is hard, are tightened greatly, three Dimension space easily shapes, and can inlay into benefit at microcrack and damage and split leak stopping, have the acidproof, alkaline-resisting of strength, LP blades The material of energy, can effectively resist corrosion of the petroleum to flange plate 1, to prevent flange plate 1 from causing stone because of corrosion by petroleum The case where oil leaks.
Multiple groups thread groove 2 is offered on flange plate 1, flange plate 1 is equipped with multiple fins 3, and fin 3 can be played and is auxiliarily fixed Effect, every group of thread groove 2 be respectively positioned between two fins 3, and the inner bottom wall of thread groove 2 is bonded with gasket 15, corrosion-resistant Multiple threaded holes 14 corresponding with thread groove 2 are offered on pad 4, screw thread connects in corresponding thread groove 2 and threaded hole 14 It is connected to threaded rod 13, corrosion resisting cushion 4 can be made to be fixed on flange plate 1 by screwing threaded rod 13 in thread groove 2 before On, sealing ring 7 is bonded on the side wall of flange plate 1, sealing ring 7 and gasket 15 are made of rubber, can be made flange plate 1 and be changed The junction of work pipeline fits closely, and prevents petroleum from leaking from the junction of flange plate 1 and chemical pipeline.
Mounting hole 5 is offered on flange plate 1, and installing ring 6 is installed on the inner wall of mounting hole 5, is opened on the inner wall of installing ring 6 Equipped with multiple placing grooves 8, the inner bottom wall of each placing groove 8 is fixedly connected to compressed spring 9, each compressed spring 9 it is another End is fixedly connected to clamping plate 10, and the screw rod on chemical pipeline can be put into the installing ring 6 in mounting hole 5 by when use, looses one's grip The elastic force that compressed spring 9 is generated by deformation afterwards, the side wall for the screw rod for pushing clamping plate 10 to be close on chemical pipeline, to chemical pipeline On screw rod gripped.
Antirust pad 11 is bonded on the inner wall of installing ring 6, antirust pad 11 can be made of silica gel, prevent flange plate 1 and chemical industry The junction of pipeline generates corrosion because connecting for a long time.
Installation cavity is offered in flange plate 1, foam-rubber cushion 12 is installed in installation cavity, and foam-rubber cushion 12 can increase flange plate 1 Elasticity extends the service life of flange plate 1, prevents flange plate 1 from generating damage after being rigidly connected for a long time with chemical pipeline.
It further illustrates, it is above-mentioned to be fixedly connected unless specifically defined or limited otherwise, otherwise to shall be understood in a broad sense, example Such as, it can be welding, be also possible to gluing, or be integrally formed the customary means well known to those skilled in the art such as setting.
In the utility model, corrosion resisting cushion 4 can be made to be fixed on by screwing threaded rod 13 in thread groove 2 before On flange plate 1, corrosion resisting cushion 4 is made of polytetrafluoroethylene (PTFE) pad, and polytetrafluoroethylene (PTFE) is that one kind is hard, is tightened greatly, three-dimensional space is easy Forming can inlay into benefit at microcrack and damage and split leak stopping, acidproof, alkaline-resisting, LP blades performance the material with strength, Corrosion of the petroleum to flange plate 1 can be effectively resisted, to prevent flange plate 1 from causing the feelings of Oil spills because of corrosion by petroleum Condition occurs, and the screw rod on chemical pipeline can be put into the installing ring 6 in mounting hole 5 by when use, and compressed spring 9 is because of shape after loosing one's grip The elastic force for becoming and generating, the side wall for the screw rod for pushing clamping plate 10 to be close on chemical pipeline, presss from both sides the screw rod on chemical pipeline Fixation is held, the sealing ring 7 on 1 side wall of flange plate is made of rubber, and flange plate 1 and the junction of chemical pipeline can be made closely to paste It closes, prevents petroleum from leaking from the junction of flange plate 1 and chemical pipeline.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of anti-leak petrochemical pipe stainless steel connecting flange, including what is be made of flange plate (1) and corrosion resisting cushion (4) Flange body, which is characterized in that offered multiple groups thread groove (2) on the flange plate (1), the flange plate (1) is equipped with more A fin (3), thread groove described in every group (2) are respectively positioned between two fins (3), and the inner bottom wall of the thread groove (2) is bonded Have gasket (15), multiple threaded holes (14) corresponding with thread groove (2) are offered on the corrosion resisting cushion (4), it is corresponding The thread groove (2) and threaded hole (14) in be threaded with threaded rod (13), be bonded on the side wall of the flange plate (1) Have sealing ring (7), offered mounting hole (5) on the flange plate (1), is installed with installing ring on the inner wall of the mounting hole (5) (6).
2. a kind of anti-leak petrochemical pipe stainless steel connecting flange according to claim 1, which is characterized in that described It is offered on the inner wall of installing ring (6) multiple placing grooves (8), the inner bottom wall of each placing groove (8) is fixedly connected to pressure The other end of contracting spring (9), each compressed spring (9) is fixedly connected to clamping plate (10).
3. a kind of anti-leak petrochemical pipe stainless steel connecting flange according to claim 2, which is characterized in that described Antirust pad (11) are bonded on the inner wall of installing ring (6).
4. a kind of anti-leak petrochemical pipe stainless steel connecting flange according to claim 1, which is characterized in that described Installation cavity is offered in flange plate (1), foam-rubber cushion (12) are installed in the installation cavity.
5. a kind of anti-leak petrochemical pipe stainless steel connecting flange according to claim 1, which is characterized in that described Sealing ring (7) and gasket (15) are made of rubber.
6. a kind of anti-leak petrochemical pipe stainless steel connecting flange according to claim 1, which is characterized in that described Corrosion resisting cushion (4) is made of polytetrafluoroethylene (PTFE) pad.
CN201821817543.2U 2018-11-06 2018-11-06 A kind of anti-leak petrochemical pipe stainless steel connecting flange Active CN208951481U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821817543.2U CN208951481U (en) 2018-11-06 2018-11-06 A kind of anti-leak petrochemical pipe stainless steel connecting flange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821817543.2U CN208951481U (en) 2018-11-06 2018-11-06 A kind of anti-leak petrochemical pipe stainless steel connecting flange

Publications (1)

Publication Number Publication Date
CN208951481U true CN208951481U (en) 2019-06-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821817543.2U Active CN208951481U (en) 2018-11-06 2018-11-06 A kind of anti-leak petrochemical pipe stainless steel connecting flange

Country Status (1)

Country Link
CN (1) CN208951481U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113799030A (en) * 2021-09-28 2021-12-17 建湖县博奥液压机械制造有限公司 Flange plate with auxiliary limiting groove installation function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113799030A (en) * 2021-09-28 2021-12-17 建湖县博奥液压机械制造有限公司 Flange plate with auxiliary limiting groove installation function

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