CN220506084U - Flange anti-corrosion structure of gas pressure regulator - Google Patents

Flange anti-corrosion structure of gas pressure regulator Download PDF

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Publication number
CN220506084U
CN220506084U CN202322248391.6U CN202322248391U CN220506084U CN 220506084 U CN220506084 U CN 220506084U CN 202322248391 U CN202322248391 U CN 202322248391U CN 220506084 U CN220506084 U CN 220506084U
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CN
China
Prior art keywords
half shell
sealing
air bag
pressure regulator
gas pressure
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Active
Application number
CN202322248391.6U
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Chinese (zh)
Inventor
张兴俊
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Taineng Natural Gas Co ltd
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Taineng Natural Gas Co ltd
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Priority to CN202322248391.6U priority Critical patent/CN220506084U/en
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Abstract

The utility model provides a flange anti-corrosion structure of a gas pressure regulator, which comprises: the novel air bag type automobile seat cushion is characterized in that the lower half shell is arranged below the upper half shell, a sealing plate is arranged between the front face and the back face of the upper half shell and the front face and the back face of the lower half shell, a pipe hole is respectively formed in the middle of the two sealing plates in a penetrating mode, an air bag ring is connected to the inner wall of the pipe hole, an inflating valve is arranged in the middle of the lower portion of the air bag ring, a sealing rubber ring is connected to the inner wall of the air bag ring, and an upper plate is connected to the lower portion of the left side of the upper half shell. Through setting up closing plate, upper plate, lower plate, mounting hole, butt joint hole and fixing bolt, can seal the flange of gas regulator in last half shell and the inferior half shell inside, make it be difficult for receiving the corruption, through setting up tube hole, inflating valve, gasbag circle and sealing rubber circle, can seal the space between tube hole and the gas pipe, and the setting of gasbag circle can be convenient for seal the gas pipe of different diameters.

Description

Flange anti-corrosion structure of gas pressure regulator
Technical Field
The utility model belongs to the technical field of flanges of gas pressure regulators, and particularly relates to an anti-corrosion structure of a flange of a gas pressure regulator.
Background
The flange of the gas pressure regulator is a component connecting the gas pressure regulator with the pipeline and is used for maintaining tight connection and sealing. It is generally made of metallic material, with specific geometry and hole sites, for use with corresponding pipes and regulators, whereas the flanges of the gas regulators of the prior art are not provided with corrosion protection structures, which may lead to the following drawbacks:
corrosion damage: the flange is positioned at the connection position of the gas pressure regulator and the pipeline, and is easily influenced by humid environment, oxygen, chemical substances and other corrosive mediums. In long term use, the flange may be corroded, leading to corrosion, rust flying or corrosive leaks in the metal surface. This may lead to a loss of sealing performance of the flange, which in turn may affect the proper operation of the gas pressure regulator.
Risk of leakage: corrosion thins or defects the flange surface, which increases the risk of flange leakage. If the flange is corroded and damaged, gas leakage may occur during the pressure adjustment process, which may not only result in waste of energy, but also may cause safety accidents.
In summary, the flange of the gas pressure regulator in the prior art lacks an anti-corrosion structure, which may cause the flange to be easily corroded. This can lead to various disadvantages such as corrosion damage, risk of leakage, etc. Therefore, there is a need to design a flange corrosion protection structure for a gas pressure regulator to solve the above problems.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a flange anti-corrosion structure of a gas pressure regulator, which solves the problems in the background art.
The utility model is realized by the following technical scheme: a flange corrosion protection structure for a gas pressure regulator, comprising: the sealing plate is arranged between the front face and the back face of the upper half shell and the rear face of the lower half shell respectively;
a pipe hole is respectively formed in the middle of the two sealing plates in a penetrating manner, an air bag ring is connected to the inner wall of the pipe hole, an inflating valve is arranged in the middle of the lower part of the air bag ring, and a sealing rubber ring is connected to the inner wall of the air bag ring;
the upper half shell is connected with the upper plate below the left side, the lower plate is connected with the upper side of the left side of the lower half shell, a mounting hole is respectively formed in the front of the upper surface of the upper plate and in the rear of the upper surface of the lower half shell, a fixing bolt is respectively arranged in the middle of each mounting hole, a butt joint hole is respectively formed in the front of the lower surface of the lower plate and in the rear of the lower surface of the lower plate, the air valve is used for inflating the two air bag rings, the air bag rings can expand and extrude the sealing rubber rings after being inflated, the sealing rubber rings are tightly attached to the outer wall of the gas pipe, gaps between pipe holes and the gas pipe can be sealed, and the inflation amount of the air bag rings can be adjusted according to the gas pipes with different diameters until the sealing rubber rings are tightly attached to the outer wall of the gas pipe.
As a preferred embodiment, the right lower side of the upper half shell and the right upper side of the lower half shell are connected through a plurality of hinge shafts, the inner wall of the upper half shell and the inner wall of the lower half shell are both provided with inner screw grooves, and the upper half shell and the lower half shell can be opened and closed conveniently due to the arrangement of the hinge shafts.
As a preferred embodiment, the front surface of the upper half shell and the front surface of the lower half shell are both of a semicircular structure and are installed in a mirror image mode, and the upper half shell and the lower half shell are combined to form a circular sealing shell.
As a preferable implementation mode, the upper surface of the lower plate and the lower surface of the upper plate are respectively provided with a sealing piece, the sealing piece is made of fluororubber, and the fluororubber has good sealing performance and corrosion resistance.
As a preferable implementation mode, the outer walls of the two sealing plates are respectively provided with threads, the two sealing plates are respectively screwed with the inner threads of the upper half shell and the inner threads of the lower half shell, and the sealing plates can seal the flange of the gas pressure regulator in the upper half shell and the lower half shell, so that the gas pressure regulator is not easy to corrode.
As a preferred embodiment, the two butt joint holes and the two mounting holes are mutually symmetrical, the middle position of the fixing bolt is screwed with the mounting holes through threads, and the lower ends of the fixing bolt penetrate through the mounting holes and are screwed with the butt joint holes through threads.
As a preferred implementation mode, the air bag ring is a nylon air bag, the fixing bolt is an inner hexagon bolt, sealing rubber strips are arranged in gaps among the hinge shafts, and the upper half shell and the lower half shell are made of corrosion-resistant stainless steel.
After the technical scheme is adopted, the utility model has the beneficial effects that: through setting up closing plate, upper plate, lower plate, mounting hole, butt joint hole and fixing bolt, can seal the flange of gas regulator in last half shell and the inferior half shell inside, make it be difficult for receiving the corruption, through setting up tube hole, inflating valve, gasbag circle and sealing rubber circle, can seal the space between tube hole and the gas pipe, and the setting of gasbag circle can be convenient for seal the gas pipe of different diameters.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic diagram of the whole structure of a flange corrosion protection structure of a gas pressure regulator according to the present utility model.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Fig. 3 is an enlarged schematic view of a portion B of fig. 1.
Fig. 4 is a schematic diagram of a bottom view of a lower plate in a flange corrosion protection structure of a gas pressure regulator according to the present utility model.
In the figure, the upper half shell is 100-the lower half shell is 200-the sealing plate is 300-the sealing plate is 400-the pipe hole is 500-the air bag ring is 600-the sealing rubber ring is 700-the inflating valve is 800-the upper plate is 900-the lower plate is 110-the sealing sheet is 120-the mounting hole is 130-the fixing bolt is 140-the butt joint hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, the present utility model provides a technical solution: a flange corrosion protection structure for a gas pressure regulator, comprising: the upper half shell 100 and the lower half shell 200, the lower half shell 200 is arranged below the upper half shell 100, and a sealing plate 300 is respectively arranged between the front and back surfaces of the upper half shell 100 and the lower half shell 200;
a tube hole 400 is respectively formed in the middle of the two sealing plates 300 in a penetrating way, an air bag ring 500 is connected to the inner wall of the tube hole 400, an inflating valve 700 is arranged in the middle of the lower part of the air bag ring 500, and a sealing rubber ring 600 is connected to the inner wall of the air bag ring 500;
the upper half shell 100 is connected with the upper plate 800 in the left side below, the lower plate 900 is connected with the upper side of the lower half shell 200 in the left side, a mounting hole 120 is respectively and thoroughly arranged in front of and behind the upper surface of the upper plate 800, a fixing bolt 130 is respectively and thoroughly arranged in the middle of the two mounting holes 120, a butt joint hole 140 is respectively and thoroughly arranged in front of and behind the lower surface of the lower plate 900, the air valve 700 can be used for inflating the two air bag rings 500, the air bag rings 500 can be inflated and extrude the sealing rubber ring 600 to tightly attach to the outer wall of the gas pipe after being inflated, the air hole 400 and the gap between the gas pipe can be sealed, and the inflation amount of the air bag rings 500 can be adjusted according to the gas pipes with different diameters until the sealing rubber ring 600 is tightly attached to the outer wall of the gas pipe.
The right lower side of the upper half shell 100 and the right upper side of the lower half shell 200 are connected through a plurality of hinge shafts, the inner wall of the upper half shell 100 and the inner wall of the lower half shell 200 are both provided with inner screw grooves, and the upper half shell 100 and the lower half shell 200 can be opened and closed conveniently due to the arrangement of the hinge shafts.
The front surfaces of the upper half shell 100 and the lower half shell 200 are of a semicircular structure and are installed in a mirror image, and the upper half shell 100 and the lower half shell 200 are combined to form a circular sealing shell.
The upper surface of the lower plate 900 and the lower surface of the upper plate 800 are respectively provided with a sealing sheet 110, and the sealing sheet 110 is made of fluororubber, which has good sealing property and corrosion resistance.
The outer walls of the two sealing plates 300 are respectively provided with threads, the two sealing plates 300 are respectively screwed with the inner threads of the upper half shell 100 and the inner threads of the lower half shell 200, and the sealing plates 300 can seal the flange of the gas pressure regulator inside the upper half shell 100 and the lower half shell 200, so that the gas pressure regulator is not easy to corrode.
The two butt joint holes 140 and the two mounting holes 120 are symmetrical to each other, the middle position of the fixing bolt 130 is screwed with the mounting holes 120, the lower end of the fixing bolt passes through the mounting holes 120 and is screwed with the butt joint holes 140, the air bag ring 500 is a nylon air bag, the fixing bolt 130 is an inner hexagon bolt, sealing rubber strips are arranged in gaps among a plurality of hinge shafts, and the upper half shell 100 and the lower half shell 200 are made of corrosion-resistant stainless steel.
Referring to fig. 1 to 4, as a first embodiment of the present utility model: when the gas regulator is used, the upper half shell 100 and the lower half shell 200 are opened, the upper half shell 100 and the lower half shell 200 are sleeved outside the flange of the gas regulator after the installation is completed, then the pipe holes 400 at the two sealing plates 300 are sleeved outside the gas pipe at the joint, the upper half shell 100 and the lower half shell 200 are further closed, then the two fixing bolts 130 are rotated by using the socket head cap screws, the middle positions of the fixing bolts are screwed with the installation holes 120, the lower ends of the fixing bolts penetrate through the installation holes 120 and are screwed with the butt joint holes 140, the sealing pieces 110 on the lower surface of the upper plate 800 are tightly attached to the sealing pieces 110 on the upper surface of the lower half, the installation of the upper half shell 100 and the lower half shell 200 is completed, then the two sealing plates 300 are rotated, the two sealing plates 300 are screwed with the inner parts of the upper half shell 100 and the inner parts of the lower half shell 200 respectively, and the installation of the sealing plates 300 is completed.
Referring to fig. 1 and 3, as a second embodiment of the present utility model: according to further elaboration of the first embodiment, after the sealing plate 300 is installed, the air valve 700 can be used for inflating the two air bag rings 500, the air bag rings 500 can be inflated and extruded to tightly attach the sealing rubber ring 600 to the outer wall of the gas pipe after being inflated, then the gap between the pipe hole 400 and the gas pipe can be sealed, the air charging amount of the air bag rings 500 can be adjusted according to the gas pipes with different diameters until the sealing rubber ring 600 is tightly attached to the outer wall of the gas pipe, through the steps, the final effect is that the gap between the pipe hole 400 and the gas pipe can be sealed, and the setting of the air bag rings 500 can be convenient for sealing the gas pipes with different diameters.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (7)

1. A flange corrosion protection structure for a gas pressure regulator, comprising: go up half shell (100) and lower half shell (200), go up half shell (100) below and be provided with lower half shell (200), its characterized in that: sealing plates (300) are respectively arranged between the front and back surfaces of the upper half shell (100) and the lower half shell (200);
a pipe hole (400) is respectively formed in the middle of the two sealing plates (300) in a penetrating manner, an air bag ring (500) is connected to the inner wall of the pipe hole (400), an inflating valve (700) is arranged in the middle of the lower part of the air bag ring (500), and a sealing rubber ring (600) is connected to the inner wall of the air bag ring (500);
the upper half shell (100) is connected with an upper plate (800) below the left side, the lower plate (900) is connected with above the left side of the lower half shell (200), a mounting hole (120) is respectively formed in the front and the rear of the upper surface of the upper plate (800), a fixing bolt (130) is respectively arranged in the middle of two mounting holes (120), and a butt joint hole (140) is respectively formed in the front and the rear of the lower surface of the lower plate (900).
2. The flange corrosion protection structure of a gas pressure regulator according to claim 1, wherein: the right lower side of the upper half shell (100) and the right upper side of the lower half shell (200) are connected through a plurality of hinge shafts, and inner screw grooves are formed in the inner wall of the upper half shell (100) and the inner wall of the lower half shell (200).
3. The flange corrosion protection structure of a gas pressure regulator according to claim 2, wherein: the front surfaces of the upper half shell (100) and the lower half shell (200) are of semicircular structures and are installed in a mirror image mode, and the upper half shell (100) and the lower half shell (200) are combined to form a circular sealing shell.
4. The flange corrosion protection structure of a gas pressure regulator according to claim 1, wherein: the sealing plate is characterized in that the upper surface of the lower plate (900) and the lower surface of the upper plate (800) are respectively provided with a sealing sheet (110), and the sealing sheet (110) is made of fluororubber.
5. The flange corrosion protection structure of a gas pressure regulator according to claim 1, wherein: the outer walls of the two sealing plates (300) are respectively provided with threads, and the two sealing plates (300) are respectively screwed with the inner part of the upper half shell (100) and the inner part of the lower half shell (200).
6. The flange corrosion protection structure of a gas pressure regulator according to claim 1, wherein: the two butt joint holes (140) and the two mounting holes (120) are symmetrical, the middle position of the fixing bolt (130) is in threaded connection with the mounting holes (120), and the lower end of the fixing bolt passes through the mounting holes (120) to be in threaded connection with the butt joint holes (140).
7. The flange corrosion protection structure of a gas pressure regulator according to claim 1, wherein: the air bag ring (500) is a nylon air bag, the fixing bolt (130) is an inner hexagon bolt, sealing rubber strips are arranged in gaps among the hinge shafts, and the upper half shell (100) and the lower half shell (200) are made of corrosion-resistant stainless steel.
CN202322248391.6U 2023-08-21 2023-08-21 Flange anti-corrosion structure of gas pressure regulator Active CN220506084U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322248391.6U CN220506084U (en) 2023-08-21 2023-08-21 Flange anti-corrosion structure of gas pressure regulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322248391.6U CN220506084U (en) 2023-08-21 2023-08-21 Flange anti-corrosion structure of gas pressure regulator

Publications (1)

Publication Number Publication Date
CN220506084U true CN220506084U (en) 2024-02-20

Family

ID=89882017

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322248391.6U Active CN220506084U (en) 2023-08-21 2023-08-21 Flange anti-corrosion structure of gas pressure regulator

Country Status (1)

Country Link
CN (1) CN220506084U (en)

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