CN114776904A - Sealing flange of pressure check ring based on sealing - Google Patents
Sealing flange of pressure check ring based on sealing Download PDFInfo
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- CN114776904A CN114776904A CN202210130402.8A CN202210130402A CN114776904A CN 114776904 A CN114776904 A CN 114776904A CN 202210130402 A CN202210130402 A CN 202210130402A CN 114776904 A CN114776904 A CN 114776904A
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- 238000007789 sealing Methods 0.000 title claims abstract description 146
- 238000012360 testing method Methods 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 229920001971 elastomer Polymers 0.000 claims description 13
- 238000009434 installation Methods 0.000 description 8
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/006—Attachments
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L17/00—Joints with packing adapted to sealing by fluid pressure
- F16L17/06—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between the end surfaces of the pipes or flanges or arranged in recesses in the pipe ends or flanges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/003—Auxiliary devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/036—Flanged joints the flanges being connected by members tensioned axially characterised by the tensioning members, e.g. specially adapted bolts or C-clamps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
- F16L23/22—Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2201/00—Special arrangements for pipe couplings
- F16L2201/30—Detecting leaks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Gasket Seals (AREA)
Abstract
The invention provides a sealing flange of a pressure check ring based on sealing, which is applied to the field of machinery and comprises a first flange piece, a second flange piece, the pressure check ring, a pressure detection device and a sealing structure, wherein the first flange piece is connected with the second flange piece through the pressure detection device; the pressure detection device comprises a limiting block, a fixed point test spring kit, a pressure test piece and a numerical value display, wherein the pressure test piece is arranged on the pressure retaining ring, a limiting hole is formed in the pressure test piece, the limiting block is connected with the pressure test piece through the limiting hole, the fixed point test spring kit wraps the limiting block, and the numerical value display is connected with the pressure test piece; and a pressure sensor is arranged below the pressure detection sheet, a plurality of pressure sensors form pressure sensing arms, the pressure sensing arms form detection data through shape change, and the sealing condition between the flanges is monitored in real time.
Description
Technical Field
The invention relates to the field of machinery, in particular to a pressure check ring sealing flange based on sealing.
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, and the connection is completed. Some pipe fittings and equipment are provided with flanges, and the flange connection is also the object of flange connection. The flange connection is an important connection mode for pipeline construction. The flange connection is convenient to use and can bear larger pressure. In industrial pipelines, flanged connections are widely used. In a household, the diameter of the pipeline is small, the pressure is low, and flange connection cannot be seen. If in a boiler room or production site, the pipelines and equipment are connected by flanges everywhere. A flange, also known as a flange collar or flange. Flanges are parts for interconnecting pipes and are used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment for the 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. The flanges are sealed with gaskets.
The sealing structure of the flange according to the prior utility model CN202020913023.2 comprises a first flange, a second flange and a sealing element, and is characterized in that the first flange is connected with the second flange, a first groove and a second groove corresponding to the first groove are respectively arranged on the connecting end surfaces of the first flange and the second flange, and the first groove and the second groove are mutually matched and form a sealing cavity for placing the sealing element; the sealing element comprises a body, a first sealing ring, a second sealing ring and a third sealing ring, the first sealing ring is annularly arranged on the upper side of the body and is abutted to the groove wall of the first groove, the second sealing ring is annularly arranged on the lower side of the body and is abutted to the groove wall of the second groove, and the third sealing ring is annularly arranged on the outer side of the body and is abutted to the joint of the first flange and the second flange. The sealing device has the advantages of being high in sealing performance, high in seepage-proofing performance, high in corrosion resistance and long in service life, but the sealing device is provided with the pressure retaining ring, sealing pressure cannot be detected, sealing conditions between flanges can not be monitored in real time, the sealing device is not convenient to install inside a pipeline quickly, and therefore the problem is improved by the aid of the sealing flange of the pressure retaining ring based on sealing.
Disclosure of Invention
The invention aims to solve the problems that the sealing condition between flanges cannot be monitored in real time without detection of sealing pressure, and the flanges cannot be conveniently and quickly installed in a pipeline, and provides a sealing flange of a pressure check ring based on sealing.
The invention adopts the following technical means for solving the technical problems: the invention provides a pressure retainer ring sealing flange based on sealing, which comprises: the flange structure comprises a first flange piece, a second flange piece, a pressure retaining ring, a pressure detection device and a sealing structure, wherein the first flange piece is connected with the second flange piece through the pressure detection device;
the pressure detection device comprises a limiting block, a fixed point test spring kit, a pressure test piece and a numerical value display, wherein the pressure test piece is arranged on the pressure retaining ring, a plurality of limiting holes are formed in the pressure test piece, the limiting block is connected with the pressure test piece through the limiting holes, the fixed point test spring kit wraps the limiting block, and the numerical value display is connected with the pressure test piece;
a plurality of pressure sensors are arranged below the pressure detection sheet, the pressure sensors form pressure sensing arms, and the pressure sensing arms form detection data through shape changes.
And calculating and subdividing the detection data by adopting a deformation fixed point formula to obtain subdivided data, and selecting the pressure check ring.
Furthermore, the device also comprises a plurality of limiting assemblies, each limiting assembly comprises a limiting ring and a limiting strut, the limiting struts are located on the first flange pieces, the limiting rings are located on the second flange pieces, and the limiting struts are embedded in the limiting rings to fix the positions when being connected.
The connecting structure comprises a connecting column, an adjusting bolt, a connecting ring and a connecting plate, the connecting column is arranged on the second flange plate, the connecting ring is parallel to the connecting column, a threaded hole is formed in the surface of the connecting ring, the adjusting bolt is screwed with the threaded hole, and the tail end of the adjusting bolt penetrates through the connecting ring and is connected with the connecting plate.
Further, still include mounting structure, mounting structure is located first flange piece and second flange piece connecting tube one side, mounting structure includes, installation turnbuckle and mounting bolt, mounting bolt is worker shape structure, mounting bolt one end is that major diameter is circular, and the other end is that minor diameter is circular, be the slope shape in the middle of the mounting bolt, major diameter is circular to be located the pipeline, minor diameter is circular to be located first flange piece and second flange piece, the installation turnbuckle is equipped with the recess, minor diameter is circular to pass through recess fixed mounting and detains.
Further, seal structure includes first sealing ring, seal groove and sealing washer, first sealing ring is the loop configuration, the seal groove sets up in the first sealing ring outside, the sealing washer is inlayed in the seal groove.
Further, be equipped with the annular chamber of aerifing in the sealing washer, the intracavity is aerifyd to the annular is filled with gas, and gaseous atmospheric pressure is 2 ~ 3 standard atmospheric pressure.
Further, the sealing structure comprises a second sealing ring, the second sealing ring is close to the first sealing ring, and the outer diameter of the second sealing ring is smaller than that of the first sealing ring.
Further, seal structure includes sealed the pad, be equipped with the centre gripping groove between first sealing ring and the second sealing ring, sealed pad is fixed to be acceptd in the centre gripping inslot and respectively with the outer wall of first sealing ring and the outer wall butt of second sealing ring.
Furthermore, the upper surface and the lower surface of the pressure check ring are provided with grooves, and flat elastic rubber rings are embedded in the grooves.
Furthermore, the flat elastic rubber ring is provided with a buffer groove and a plurality of supporting plates on the inner side, the supporting plates are circumferentially and uniformly distributed in the buffer groove, and the middle of each supporting plate is provided with an elastic position for supporting.
The invention provides a pressure retainer ring sealing flange based on sealing, which has the following beneficial effects:
1. determining the connection condition of the flange through a pressure detection device;
2. the sealing structure fills gaps in connection, so that connection is tighter;
3. the connection structure enables the connection between the flange pieces to be firmer through the connection of the connection structure.
Drawings
FIG. 1 is a cross-sectional view of the overall construction of one embodiment of a seal-based pressure collar sealing flange of the present invention;
FIG. 2 is a partial block diagram of another embodiment of a seal-based pressure collar sealing flange of the present invention;
the implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Referring to fig. 1, a pressure check ring sealing flange based on sealing for an intelligent steering reminding device in an embodiment of the present invention includes: the flange structure comprises a first flange piece (1), a second flange piece, a pressure retaining ring, a pressure detection device (2) and a sealing structure, wherein the first flange piece (1) is connected with the second flange piece through the pressure detection device (2), a spring assembly is arranged on the first flange piece (1), the first flange piece (1) is connected with the pressure detection device (2) through the spring assembly, the sealing structure is respectively positioned in cavities of the first flange piece (1) and the second flange piece, and the pressure retaining ring is arranged at the joint of the first flange piece (1) and the second flange piece;
the pressure detection device (2) comprises a limiting block (202), a fixed point test spring suite (201), a pressure test piece (203) and a numerical display, wherein the pressure test piece (203) is arranged on the pressure retaining ring, a plurality of limiting holes are formed in the pressure test piece (203), the limiting block (202) is connected with the pressure test piece (203) through the limiting holes, the fixed point test spring suite (201) wraps the limiting block (202), and the numerical display is connected with the pressure test piece (203);
a plurality of pressure sensors are arranged below the pressure detection piece, the pressure sensors form a pressure sensing arm, and the pressure sensing arm forms detection data through shape change.
And calculating and subdividing the detection data by adopting a deformation fixed point formula to obtain subdivided data, and selecting the pressure check ring.
In this embodiment: the pressure sensing arm forms detection data through shape change, and the initial threshold value of the adopted deformation fixed point formula classified according to the deformation degree is T ═ T0Then, the deformation data can be divided into two parts, namely slight deformation and severe deformation, by using the initial threshold value;
the respective algorithms are, slightly deformed:
wherein F1In order to have a slight coefficient of deformation,
to a slight degree of deformation, ln PiTo the extent of distortion and convergence, PiFor the number of deformations, i represents the number;
severe deformation:
wherein F2In order to have a high coefficient of deformation,
for severe deformation, T +1 is the deformation, and then classification is performed according to the deformation coefficient, using the following formula:
T0≤F1is not deformed;
F1≤T0＜F2is slightly deformed;
T0＜F2is severely deformed;
and according to the formula, selecting the corresponding pressure check ring for use in the deformation of the corresponding degree, and monitoring the sealing of the flange plate.
In a specific embodiment: when the first flange is connected with the second flange, pressure generated during connection is transmitted to the pressure sensing piece through compression of the fixed-point testing spring, the pressure sensor below the pressure sensing piece forms a pressure sensing arm, the pressure sensing arm deforms due to pressure, the deformed value is processed, a pressure degree display screen is generated, and pressure check rings with different thicknesses are replaced and used through detection degrees.
In one embodiment: the flange plate is characterized by further comprising a plurality of limiting assemblies, each limiting assembly comprises a limiting ring and a limiting strut, the limiting struts are located on the first flange plate (1), the limiting rings are located on the second flange plates, and the limiting struts are embedded into the limiting rings to fix positions when connected.
In this embodiment: the limiting assembly comprises a limiting ring and a limiting support column, the limiting support column is positioned on the first flange piece (1), the limiting ring is positioned on the second flange piece, and the limiting support column is embedded in the limiting ring to fix the position when being connected, so that the first flange and the second flange are fixed when being connected.
In a specific embodiment: during the connection, the limiting ring is clamped on the upper limiting support column of the first flange piece (1) and the second flange piece, the positions of the first flange piece (1) and the second flange piece are limited, the positions of the first flange piece (1) and the second flange piece are fixed during the connection, the positions cannot be changed during the connection, and the connection is more convenient.
In one embodiment: the connecting structure (3) comprises a connecting column (304), adjusting bolts, a connecting ring (305) and a connecting plate (303), the connecting column (304) is arranged on the second flange plate, the connecting ring (305) is parallel to the connecting column (304), threaded holes are formed in the surface of the connecting ring (305), the adjusting bolts are screwed with the threaded holes, and the tail ends of the adjusting bolts penetrate through the connecting ring (305) and are connected with the connecting plate (303).
In the present embodiment; the connecting structure (3) comprises a connecting column (304), an adjusting bolt, a connecting ring (305) and a connecting plate (303), the connecting column (304) is arranged on the second flange plate, the connecting ring (305) is parallel to the connecting column (304), a threaded hole is formed in the surface of the connecting ring (305), the adjusting bolt is screwed with the threaded hole, the tail end of the adjusting bolt penetrates through the connecting ring (305) to be connected with the connecting plate (303), the rear end of the adjusting bolt is fixed by a nut, the connecting plate (303) is arranged between the connecting ring (305) and the connecting column (304), and the connecting column (304) with the same diameter as the outer ring of the connecting column (304) is arranged on the first flange;
the number of the connecting plates (303) is 8, the connecting plates (303) are annularly distributed between the connecting columns (304) and the connecting ring (305), and the connecting plates (303) are of arc-shaped structures and are used for fixing connection between the connecting columns (304).
In a specific embodiment: during connection, a connecting column (304) on the first flange is connected with a connecting column (304) of the connecting structure (3), an adjusting bolt is twisted to move, the connecting plate (303) is fixed on the connecting column (304), and the connecting ring (305) fixes the position of the adjusting bolt;
when the connecting columns (304) are connected, the arc-shaped joint of the connecting plate (303) is attached to the side edges of the connecting columns (304), and the connecting plate (303) is fixed to the side edges of the connecting columns (304) through the movement of the adjusting bolts.
In one embodiment: still include mounting structure, mounting structure is located first flange piece (1) and second flange piece connecting tube one side, mounting structure includes, installation thread lock and mounting bolt, mounting bolt is worker shape structure, mounting bolt one end is that major diameter is circular, and the other end is that minor diameter is circular, be the slope shape in the middle of the mounting bolt, major diameter is circular to be located the pipeline, minor diameter is circular to be located first flange piece (1) and second flange piece, the installation thread lock is equipped with the recess, minor diameter is circular to pass through recess fixed mounting and detains.
In a specific embodiment: the flange piece side is equipped with L shape mounting hole, is equipped with the mounting hole in the pipeline, and mounting bolt major diameter one end is located the pipeline, and the mounting bolt intermediate lever runs through mounting hole in flange piece and the pipeline, and the flange piece mounting hole is put into to the installation spiral shell knot, and the minor diameter end is connected with the installation spiral shell knot through the recess, and when rotatory installation spiral shell was detained, mounting bolt tightened up, with flange piece and pipeline zonulae occludens.
In one implementation: the sealing structure comprises a first sealing ring, a sealing groove and a sealing ring, wherein the first sealing ring is of an annular structure, the sealing groove is arranged on the outer side of the first sealing ring, and the sealing ring is embedded in the sealing groove; the sealing ring is internally provided with an annular inflation cavity, the annular inflation cavity is filled with gas, and the gas pressure is 2-3 standard atmospheric pressures.
In this embodiment: the sealing structure comprises a first sealing ring, a sealing groove and a sealing ring, the first sealing ring is of an annular structure, the sealing groove is formed in the outer side of the first sealing ring, the sealing ring is embedded in the sealing groove, the first sealing ring is made of rubber and used for sealing between the first flange piece (1) and the second flange piece, the tightening degree of the sealing ring can be increased after gas is filled in an annular inflation cavity in the sealing ring, the sealing ring can be tightly attached to the groove wall of the sealing groove, and the sealing degree is improved.
In a specific embodiment: when first flange piece (1) is connected with the second flange piece, seal groove in the first seal ring in seal structure combines together in first flange piece (1) and the second flange piece, inlays a sealing washer in the middle of two seal grooves, carries out zonulae occludens between two flange pieces, reduces the gap.
In one embodiment: the sealing structure comprises a second sealing ring, the second sealing ring is close to the first sealing ring, and the outer diameter of the second sealing ring is smaller than that of the first sealing ring; the sealing structure comprises a sealing gasket, a clamping groove is formed between the first sealing ring and the second sealing ring, and the sealing gasket is fixedly contained in the clamping groove and is respectively abutted to the outer wall of the first sealing ring and the outer wall of the second sealing ring.
In this embodiment: the second sealing ring is the rubber material, and sealed the pad also is the latex material, and the second sealing ring has then increased the firm degree of first sealing ring, and sealed pad has then further strengthened the sealing performance of first sealing ring, has improved holistic sealed degree.
In one embodiment: the upper surface and the lower surface of the pressure retainer ring are provided with grooves, and flat elastic rubber rings are embedded in the grooves.
In this embodiment: the upper surface and the lower surface of the pressure check ring are provided with grooves, and flat elastic rubber rings are embedded in the grooves and used for cooperating with a pressure testing device to act together.
In a specific embodiment: the upper surface and the lower surface of the pressure retaining ring are provided with grooves, and flat elastic rubber rings are embedded in the grooves and used for cooperating with a pressure testing device to act together.
In one embodiment: the flat elastic rubber ring is characterized in that a buffer groove and a plurality of supporting plates are arranged on the inner side of the flat elastic rubber ring, the supporting plates are circumferentially and uniformly distributed in the buffer groove, and an elastic position used for supporting is arranged in the middle of each supporting plate.
In this embodiment: a plurality of backup pad circumference equipartition then has increased the elasticity and the external laminating degree of flat elastic rubber ring in the dashpot, also is favorable to the deformation of flat elastic rubber ring simultaneously, is convenient for its quick installation.
To sum up, when a first flange piece (1) is connected with a second flange piece, a connecting column (304) on the first flange is connected with a connecting column (304) of a connecting structure (3), an adjusting bolt is twisted to move, a connecting plate (303) is fixed on the connecting column (304), the arc-shaped joint of the connecting plate (303) is jointed with the side edge of the connecting column (304), the connecting plate (303) is fixed on the side edge of the connecting column (304) through the movement of the adjusting bolt, the position of the adjusting bolt is fixed by a connecting ring (305), meanwhile, a sealing ring is combined with a sealing groove in a first sealing ring in a sealing structure in the first flange piece (1) and the second flange piece, a sealing ring is embedded in the middle of the two sealing grooves to carry out tight connection between the two flange pieces, the pressure generated during the connection is transmitted to a pressure sensor piece through the compression of a fixed-point test spring, the pressure sensor below the pressure sensing piece forms a pressure sensing arm, the pressure sensing arm deforms due to pressure, the deformed value is processed, and a pressure degree display screen is generated to observe the connection degree between the flange pieces.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (10)
1. Pressure retaining ring flange seal, its characterized in that includes: the pressure detection device comprises a first flange piece, a second flange piece, a pressure retaining ring, a pressure detection device and a sealing structure, wherein the first flange piece is connected with the second flange piece through the pressure detection device;
the pressure detection device comprises a limiting block, a fixed point test spring suite, a pressure test piece and a numerical value display, wherein the pressure test piece is arranged on the pressure retaining ring, a plurality of limiting holes are formed in the pressure test piece, the limiting block is connected with the pressure test piece through the limiting holes, the fixed point test spring suite wraps the limiting block, and the numerical value display is connected with the pressure test piece;
a plurality of pressure sensors are arranged below the pressure detection sheet, the pressure sensors form pressure sensing arms, and the pressure sensing arms form detection data through shape changes.
And calculating and subdividing the detection data by adopting a deformation fixed point formula to obtain the subdivided data, and judging the connection degree.
2. The pressure retainer ring sealing flange according to claim 1, further comprising a plurality of limiting members, wherein the limiting members comprise a limiting ring and a limiting pillar, the limiting pillar is located on the first flange plate, the limiting ring is located on the second flange plate, and the limiting pillar is engaged with the limiting ring for fixing the position when the connecting.
3. The pressure retainer sealing flange according to claim 1, further comprising a connecting structure, wherein the connecting structure comprises a connecting column, adjusting bolts, a connecting ring and a connecting plate, the connecting column is disposed on the second flange plate, the connecting ring is parallel to the connecting column, threaded holes are formed in the surface of the connecting ring, the adjusting bolts are screwed with the threaded holes, and the ends of the adjusting bolts penetrate through the connecting ring and are connected with the connecting plate.
4. The pressure check ring sealing flange according to claim 1, further comprising a mounting structure, wherein the mounting structure is located on one side of the first flange plate and the second flange plate, the mounting structure includes a mounting screw and a mounting bolt, the mounting bolt is an i-shaped structure, one end of the mounting bolt is a large-diameter circle, the other end of the mounting bolt is a small-diameter circle, the middle of the mounting bolt is a slope, the large-diameter circle is located in the pipeline, the small-diameter circle is located in the first flange plate and the second flange plate, the mounting screw is provided with a groove, and the small-diameter circle is fixed to the mounting screw through the groove.
5. The pressure retainer ring sealing flange according to claim 1, wherein the sealing structure comprises a first sealing ring, a sealing groove and a sealing ring, the first sealing ring is of an annular structure, the sealing groove is formed in the outer side of the first sealing ring, and the sealing ring is embedded in the sealing groove.
6. The pressure check ring sealing flange according to claim 5, wherein an annular inflation cavity is arranged in the sealing ring, and gas is filled in the annular inflation cavity, and the gas pressure is 2-3 standard atmospheric pressures.
7. The pressure retainer sealing flange according to claim 5, wherein the sealing structure includes a second sealing ring adjacent to the first sealing ring, the second sealing ring having an outer diameter dimension that is less than an outer diameter dimension of the first sealing ring.
8. The pressure retainer ring sealing flange according to claim 7, wherein the sealing structure comprises a sealing gasket, a clamping groove is formed between the first sealing ring and the second sealing ring, and the sealing gasket is fixedly accommodated in the clamping groove and is respectively abutted against the outer wall of the first sealing ring and the outer wall of the second sealing ring.
9. The pressure retainer sealing flange according to claim 1, wherein the pressure retainer has grooves on its upper and lower surfaces, and flat elastic rubber rings are embedded in the grooves.
10. The pressure check ring sealing flange according to claim 9, wherein a buffer groove and a plurality of support plates are disposed inside the flat elastic rubber ring, the plurality of support plates are circumferentially and uniformly distributed in the buffer groove, and an elastic position for supporting is disposed in the middle of each support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Citations (10)
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| AT4075U1 (en) * | 1999-11-17 | 2001-01-25 | Badhofer Johann | OIL LOCK FOR FIREFIGHTERS |
| CN101134153A (en) * | 2007-09-10 | 2008-03-05 | 株洲联诚集团有限责任公司 | Differential pressure automatic control type moisture absorption apparatus |
| CN101435524A (en) * | 2007-11-16 | 2009-05-20 | 中国海洋石油总公司 | Submarine pipeline underwater flange seal protecting device |
| CN102116133A (en) * | 2010-12-01 | 2011-07-06 | 卢丹 | Flange mechanism |
| CN203309104U (en) * | 2013-06-21 | 2013-11-27 | 王瑞恭 | Multiple sealing structure |
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| CN211315429U (en) * | 2019-12-04 | 2020-08-21 | 杭州勇成机械有限公司 | Sealing flange with pressure check ring |
| CN211722448U (en) * | 2020-03-06 | 2020-10-23 | 唐莹莹 | Drawing stores pylon that industrial design used |
| CA3090941A1 (en) * | 2019-10-11 | 2021-04-11 | Covidien Lp | Two point contact flange for instrument seals |
| CN113898803A (en) * | 2021-09-03 | 2022-01-07 | 由宝红 | Sealing flange with pressure check ring |
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| AT4075U1 (en) * | 1999-11-17 | 2001-01-25 | Badhofer Johann | OIL LOCK FOR FIREFIGHTERS |
| CN101134153A (en) * | 2007-09-10 | 2008-03-05 | 株洲联诚集团有限责任公司 | Differential pressure automatic control type moisture absorption apparatus |
| CN101435524A (en) * | 2007-11-16 | 2009-05-20 | 中国海洋石油总公司 | Submarine pipeline underwater flange seal protecting device |
| CN102116133A (en) * | 2010-12-01 | 2011-07-06 | 卢丹 | Flange mechanism |
| CN203309104U (en) * | 2013-06-21 | 2013-11-27 | 王瑞恭 | Multiple sealing structure |
| CA2919781A1 (en) * | 2015-05-18 | 2016-11-18 | Patriot Artificial Lift, LLC | Forged flange lubricator |
| CA3090941A1 (en) * | 2019-10-11 | 2021-04-11 | Covidien Lp | Two point contact flange for instrument seals |
| CN211315429U (en) * | 2019-12-04 | 2020-08-21 | 杭州勇成机械有限公司 | Sealing flange with pressure check ring |
| CN211722448U (en) * | 2020-03-06 | 2020-10-23 | 唐莹莹 | Drawing stores pylon that industrial design used |
| CN113898803A (en) * | 2021-09-03 | 2022-01-07 | 由宝红 | Sealing flange with pressure check ring |
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