CN114719100A - Connecting flange double-seal structure for GIL - Google Patents
Connecting flange double-seal structure for GIL Download PDFInfo
- Publication number
- CN114719100A CN114719100A CN202210237246.5A CN202210237246A CN114719100A CN 114719100 A CN114719100 A CN 114719100A CN 202210237246 A CN202210237246 A CN 202210237246A CN 114719100 A CN114719100 A CN 114719100A
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- China
- Prior art keywords
- flange
- ring
- flange plate
- gasket
- gil
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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
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The invention discloses a connecting flange double-sealing structure for GIL (general in-process line), which relates to the field of flange sealing and aims at solving the problems of insufficient tightness, insufficient sealing performance and the like of GIL pipeline connection. According to the invention, one side of the groove of the rubber ring, which is close to the reed, is elastically extruded and supported by the reed, and the side of the groove is further sunken and attached to the inner ring of the line pipeline body, so that the sealing of the inner ring of the line pipeline body is promoted, and after the nut is screwed down, the specific pressure on the surfaces of the first flange gasket and the second flange gasket is deformed after reaching a certain numerical value, and the unevenness on the mutually close surfaces of the second flange plate and the first flange plate is filled up, so that the connection is tight and leakless.
Description
Technical Field
The invention relates to the field of flange sealing, in particular to a connecting flange double-sealing structure for GIL.
Background
The electrical characteristics of the GIL are similar to those of an overhead line, but the GIL is a metal-enclosed rigid structure, is sealed and insulated by adopting a pipeline, is generally not influenced by environmental factors such as severe weather, special terrain and the like, has no electromagnetic influence on the environment basically, can not consider the influence of an external magnetic field of a shell on other equipment and personnel, can effectively utilize limited space resources, and realizes that high-voltage ultrahigh-voltage large-capacity electric energy directly enters load centers such as urban underground substations and the like, is an electric power transmission device which consists of an aluminum shell of grounding alloy and a built-in tubular aluminum alloy conductor and adopts insulating gas such as sulfur hexafluoride and the like as an insulating medium, has the advantages of large transmission capacity, low unit loss, flexible arrangement, high operation reliability, no influence of external environmental factors such as dust, humidity, ice and the like, is suitable for severe meteorological environment or occasions where corridor selection is limited, it is expected that in the near future, GIL powering may be a good choice in the central areas of some densely populated metropolitan cities, and therefore research and development of insulating gases will become one of the key points for GIL development and application.
The traditional overhead line power transmission mode is easily affected by rain, snow, ice and weather and dirt, and along with the continuous improvement of the transmission grade of an extra-high voltage power grid, the influence on the power transmission effect is more and more obvious, in addition, the society pays more and more attention to the electromagnetic environment, the requirement on the city capacity is continuously improved, a power transmission corridor becomes a scarce resource for restricting the power development, especially in a large city with dense population, the power transmission mode adopting an overhead line faces more and more difficulties, the power transmission mode adopting a cable faces the limitation of the highest operating voltage and the current-carrying capacity sectional area, the technical and economic limits are reached, water trees and electric trees can appear in long-term operation, the problems of large capacitance, difficult heat dissipation and the like exist.
In the connecting flange for GIL, most of the connecting flanges are not easy to deform in connection, are suitable for pipelines with greatly fluctuating temperature or pressure or pipelines with high temperature, high pressure and low temperature, and are also used for pipelines for conveying expensive media, flammable and explosive media and toxic gases, but the general neck-equipped welding flange is large in size, heavy in weight and difficult to install and position, is easy to collide during transportation, is not beneficial to sealing work during installation, and has no effective sealing effect in single external or internal sealing, so that the connecting flange double-sealing structure for GIL is provided for solving the technical problems.
Disclosure of Invention
Object of the invention
In order to solve the technical problems in the background art, the invention provides a connecting flange double-sealing structure for GIL (gate in line) which is characterized in that one end of a line pipeline body, which is close to each other, is clamped into a groove in a rubber ring, one side of the groove of the rubber ring, which is close to a reed, is elastically extruded and supported by the reed, the side edge of the groove is further sunken and attached to an inner ring of the line pipeline body, the sealing of the inner ring of the line pipeline body is promoted, after a nut is screwed down, the specific pressure on the surfaces of a first flange gasket and a second flange gasket is deformed after reaching a certain value, and the unevenness on the close surface of the second flange and the first flange is filled up, so that the connection is tight and leak-proof.
(II) technical scheme
The invention provides a connecting flange double-sealing structure for GIL, which comprises a line pipeline body, the ends of the line pipeline bodies far away from each other are all welded with line connecting pipes, the ends of the line pipeline bodies close to each other are all clamped with rubber rings, one ends of the rubber rings, which are close to each other, are all sleeved with a fixed sleeve, one side of the fixed sleeve on the left side, which is far away from the rubber ring on the left side, is welded with a first circular table ring, a first lantern ring is welded on one side of the first circular truncated cone ring, which is far away from the left fixing sleeve, a first flange plate is welded on one side of the first lantern ring, which is far away from the first circular truncated cone ring, a second circular truncated cone ring is welded on one side of the right fixing sleeve, which is far away from the right rubber ring, one side of the second circular truncated cone ring away from the right fixing sleeve is welded with a second lantern ring, and one side of the second lantern ring away from the second circular truncated cone ring is welded with a second flange plate.
As a preferred scheme of the present invention, a first flange gasket and a second flange gasket are respectively disposed on a side where the second flange and the first flange are close to each other, a plurality of threaded through holes arranged in an annular array are respectively disposed on the periphery of a side where the second flange, the first flange gasket and the second flange are close to each other, and bolts are respectively sleeved inside the threaded through holes.
As a preferable scheme of the invention, a nut is welded at one end of the bolt close to the second flange plate, metal gaskets are sleeved on outer rings of the bolt on the right side of the second flange plate, and a nut is sleeved at one end of the bolt on the left side of the first flange plate.
According to a preferable scheme of the invention, the outer ring of the bolt is provided with threads, the threads of the outer ring of the bolt are meshed with the threaded holes formed in the second flange plate and the first flange plate, the outer ring of the bolt is meshed with threads in the threaded holes formed in the first flange plate, the first flange gasket, the second flange plate and the second flange gasket to be capable of being preliminarily meshed and fixed, and the nut is screwed at the other end of the bolt, so that the first flange gasket and the second flange gasket are placed between the second flange plate and the first flange plate, after the nut is screwed down, the specific pressure on the surfaces of the first flange gasket and the second flange gasket is deformed after reaching a certain value, and the unevenness on the mutually close surfaces of the second flange plate and the first flange plate is filled, so that the connection is tight.
As a preferable scheme of the invention, the sides of the rubber rings far away from each other are provided with grooves, the insides of the grooves are clamped with the ends of the line pipeline bodies close to each other, the inner rings of the rubber rings are provided with reeds, meanwhile, the ends of the line pipeline bodies close to each other are clamped into the grooves in the rubber rings, one sides of the grooves of the rubber rings close to the reeds are elastically extruded and supported by the reeds, and then the side edges of the grooves are further sunken to be attached to the inner rings of the line pipeline bodies, so that the sealing of the inner rings of the line pipeline bodies is improved.
As a preferred embodiment of the present invention, the second flange, the first flange gasket, and the second flange gasket are all provided with openings arranged in an annular array.
Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:
1. this device is through installing the line connecting pipe, rubber circle and reed isotructure, install the one end of keeping away from each other at two line pipe way bodies with the line connecting pipe, make the line pipe way body can dock longer pipeline, simultaneously with the line pipe way body each other be close to one end card to the inside recess of rubber circle, and one side that the recess of rubber circle is close to the reed receives the elastic extrusion and the support of reed, and then the side of recess and then the inner circle of sunken laminating line pipe way body, promote the sealed to line pipe way body inner circle.
2. The device realizes that the bolts pass through the threaded holes on the first flange plate, the first flange gasket, the second flange plate and the second flange gasket through the structures of the mounting bolts, the first flange plate, the second flange plate and the second flange gasket, after the bolts are preliminarily screwed into the threaded holes, the outer ring of the bolts is meshed with the threads inside the threaded holes on the first flange plate, the first flange gasket, the second flange plate and the second flange gasket to be preliminarily meshed and fixed, and nuts are screwed at the other ends of the bolts to ensure that the first flange gasket and the second flange gasket are placed between the second flange plate and the first flange plate, after the nuts are screwed, the specific pressure on the surfaces of the first flange gasket and the second flange gasket is deformed after reaching a certain value and fills up the unevenness on the mutually close surfaces of the second flange plate and the first flange plate, so that the connection is tight and leak-proof, and the mode of the flange plates is adopted, the connection uses a simulated lunch, which can accept larger pressure.
In summary, the end of the line pipe body close to each other is clamped into the groove in the rubber ring, one side of the groove of the rubber ring close to the reed is elastically extruded and supported by the reed, the side of the groove is further sunken and attached to the inner ring of the line pipe body, the sealing of the inner ring of the line pipe body is improved, after the nut is screwed down, the specific pressure on the surfaces of the first flange gasket and the second flange gasket is deformed after reaching a certain value, and the unevenness on the close surface of the second flange and the first flange is filled up, so that the connection is tight and leak-proof.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a double sealing structure of a connecting flange for GIL according to the present invention.
Fig. 2 is a schematic structural view of a first flange plate of a double sealing structure of a connecting flange for GIL according to the present invention.
Fig. 3 is a schematic structural view of a second flange plate of a double sealing structure of a connecting flange for GIL according to the present invention.
Fig. 4 is a schematic cross-sectional structural view of a rubber ring of a double sealing structure of a connecting flange for GIL according to the present invention.
Fig. 5 is a schematic diagram of an explosion structure of a first flange of a double-sealing structure of a connecting flange for GIL according to the present invention.
Fig. 6 is an exploded view of a second flange plate of a double sealing structure of a connecting flange for GIL according to the present invention.
Reference numerals: 1. a line pipe body; 2. a line connection pipe; 3. a rubber ring; 4. fixing the sleeve; 5. a first collar; 6. a first flange plate; 7. a first flange gasket; 8. a second flange plate; 9. a reed; 10. a first circular truncated ring; 11. a second circular truncated ring; 12. a second collar; 13. a second flange gasket; 14. a bolt; 15. and a nut.
Detailed Description
The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, identical or similar reference numerals indicate identical or similar parts and features. The drawings are only schematic representations of the concepts and principles of the embodiments of the disclosure, and do not necessarily show specific dimensions or proportions of the various embodiments of the disclosure. Certain features that are part of a particular figure may be exaggerated in order to illustrate relevant details or structures of embodiments of the present disclosure.
The first embodiment is as follows: referring to fig. 1-6, a flange double seal structure for GIL comprises line pipe bodies 1, line connecting pipes 2 are welded at the ends of the line pipe bodies 1 far away from each other, the two line pipe bodies 1 are aligned with each other, and the line connecting pipes 2 are installed at the ends of the two line pipe bodies 1 far away from each other, so that the line pipe bodies 1 can be butted with a longer pipe, rubber rings 3 are clamped at the ends of the line pipe bodies 1 close to each other, fixing sleeves 4 are sleeved at the ends of the rubber rings 3 close to each other, the ends of the line pipe bodies 1 close to each other are clamped in grooves in the rubber rings 3, one sides of the grooves of the rubber rings 3 close to the reeds 9 are elastically extruded and supported by the reeds 9, and the side edges of the grooves are further sunken to be attached to the inner rings of the line pipe bodies 1, thereby improving the sealing of the inner rings of the line pipe bodies 1, a first circular platform ring 10 is welded on one side, far away from the left rubber ring 3, of the left fixing sleeve 4, a first lantern ring 5 is welded on one side, far away from the left fixing sleeve 4, of the first circular platform ring 10, a first flange plate 6 is welded on one side, far away from the first circular platform ring 10, of the first lantern ring 5, a second circular platform ring 11 is welded on one side, far away from the right fixing sleeve 4, of the right fixing sleeve 4, a second lantern ring 12 is welded on one side, far away from the right fixing sleeve 4, of the right fixing sleeve 4, one end, far away from the right fixing sleeve 4, of the rubber ring 3 is connected with one side, the first flange plate 6 is fixed on the left fixing sleeve 4 through the connection relationship of the first circular platform ring 10 and the first lantern ring 5, the second flange plate 8 is fixedly connected with the right fixing sleeve 4 through the connection relationship of the second circular platform ring 11 and the second lantern ring 12, and the first circular platform ring 10, the first lantern ring 5, The second ring 11 and the second ring 12 are provided with through holes for facilitating the line to pass through, and the second flange 8 is welded on one side of the second ring 12 far away from the second circular truncated cone ring 11.
Example two: referring to fig. 1 to 6, on the basis of the first embodiment, a flange double seal structure for GIL is provided, wherein a first flange gasket 7 and a second flange gasket 13 are respectively disposed on one side of a second flange 8 and one side of a first flange 6, which are close to each other, a plurality of threaded through holes arranged in an annular array are respectively formed on the peripheries of one sides of the second flange 8, the first flange 6, the first flange gasket 7 and the second flange gasket 13, which are close to each other, a second flange gasket 13 and a first flange gasket 7, which can allow a line to pass through, are also formed between the first circular platform ring 10, the first collar ring 5, the first collar ring 11 and the second collar ring 12, and a bolt 14 passes through threaded holes on the first flange 6, the first flange gasket 7, the second flange 8 and the second flange gasket 13 to be preliminarily engaged and fixed, and a nut 15 is screwed on the other end of the bolt 14, so that the first flange gasket 7 and the second flange gasket 13 are placed between the second flange 8 and the first flange 6 In the meantime, bolts 14 are sleeved on the inner portions of the threaded through holes, nuts are welded at the ends, close to the second flange plate 8, of the bolts 14, metal gaskets are sleeved on the outer rings, located on the right side of the second flange plate 8, of the bolts 14, after the bolts 14 are screwed into threaded holes preliminarily, the outer rings of the bolts 14 are meshed with the first flange plate 6, the first flange plate 7, the threaded holes in the second flange plate 8 and the second flange plate 13 are meshed with threads inside the threaded holes, the bolts can be meshed and fixed preliminarily, and nuts 15 are sleeved at the ends, located on the left side of the first flange plate 6, of the bolts 14.
Example three: referring to fig. 1-6, based on the second embodiment, a double seal structure of a flange for GIL is provided, wherein the outer ring of the bolt 14 is provided with a thread, the thread of the outer ring of the bolt 14 is engaged with the thread holes of the second flange 8 and the first flange 6, the other end of the bolt 14 is screwed with a nut 15, so that the first flange gasket 7 and the second flange gasket 13 are placed between the second flange 8 and the first flange 6, after the nut is screwed, the specific pressure on the surfaces of the first flange gasket 7 and the second flange gasket 13 reaches a certain value, and then the first flange gasket 13 and the second flange gasket are deformed, and the unevenness on the surfaces of the second flange 8 and the first flange 6 which are close to each other is filled up, so that the connection is not leak, the flange is adopted, the rubber ring 3 is provided with a groove on the side which is far from each other, the inside of the groove is clamped with the end of the line pipe body 1 which is close to each other, the inner circle of rubber circle 3 all is provided with reed 9, and one side that the recess of rubber circle 3 is close to reed 9 receives the elastic extrusion and the support of reed 9, and then the side of recess and then the inner circle of sunken laminating line pipeline body 1 promotes the sealed to 1 inner circle of line pipeline body, and second ring flange 8, first ring flange 6, first flange gasket 7 and second flange gasket 13 all offer all around and are the opening that annular array arranged.
The working principle and the concrete explanation of the invention are as follows:
according to the device provided by the invention, firstly, two line pipeline bodies 1 are aligned with each other, and a line connecting pipe 2 is arranged at one end, far away from each other, of each line pipeline body 1, so that the line pipeline bodies 1 can be butted with a longer pipeline, meanwhile, one end, close to each other, of each line pipeline body 1 is clamped into a groove in a rubber ring 3, one side, close to a reed 9, of the groove in the rubber ring 3 is elastically extruded and supported by the reed 9, then the side edge of the groove is sunken and attached to the inner ring of the line pipeline body 1, and the sealing of the inner ring of the line pipeline body 1 is improved.
And the end of the fixed sleeve 4 far away from each other is connected with the side of the rubber ring 3 close to each other, the fixed sleeve 4 on the left side is connected with the first flange 6 through the connection relationship of the first circular platform ring 10 and the first lantern ring 5, the fixed sleeve 4 on the right side is further fixedly connected with the second flange 8 through the connection relationship of the second circular platform ring 11 and the second lantern ring 12, the first circular platform ring 10, the first lantern ring 5, 11 and the second lantern ring 12 are all provided with through holes for facilitating the line to pass through from the middle, and the second flange gasket 13 and the first flange gasket 7 which can allow the line to pass through are also arranged among the first circular platform ring 10, the first lantern ring 5, 11 and the second lantern ring 12, and pass through the threaded holes on the first flange gasket 6, the first flange gasket 7, the second flange gasket 8 and the second flange gasket 13 through the bolts 14, after the bolts 14 are preliminarily screwed into the threaded holes, the outer ring of the bolt 14 is meshed with the inner threads of the threaded holes on the first flange plate 6, the first flange gasket 7, the second flange plate 8 and the second flange gasket 13 to be capable of being preliminarily meshed and fixed, the nut 15 is screwed at the other end of the bolt 14 to enable the first flange gasket 7 and the second flange gasket 13 to be placed between the second flange plate 8 and the first flange plate 6, after the nut is screwed down, the specific pressure on the surfaces of the first flange gasket 7 and the second flange gasket 13 is deformed after reaching a certain value, and the unevenness on the mutually close surfaces of the second flange plate 8 and the first flange plate 6 is filled up to enable the connection to be tight and leak-proof, and the flange plate mode is adopted to connect and apply a similar key and can accept larger pressure.
In the same pipeline, the gaskets selected by the flanges with the same pressure are consistent, so that exchange with each other is facilitated later, for the pipeline adopting the rubber plate, the selection of the gaskets is close to the selection of the small width as much as possible, which is a principle that the gasket should be followed on the premise that the gasket cannot be crushed, and the two flanges are required to be parallel when installing the flange in the device, so that the sealing surfaces of the flanges cannot be damaged by collision and are cleaned, and the characteristics of convenience in disassembly, high strength and good sealing performance of flange connection are further improved.
Meanwhile, the device provided by the invention has the advantages that one side of the groove of the rubber ring close to the reed is elastically extruded and supported by the reed 9, the side edge of the groove is further sunken to be attached to the inner ring of the line pipeline body, the sealing of the inner ring of the line pipeline body 1 is promoted, after the inner ring is screwed and the nut is tightened, the specific pressure on the surfaces of the first flange gasket 7 and the second flange gasket 13 is deformed after reaching a certain numerical value, and the unevenness on the mutually close surface of the second flange plate 8 and the first flange plate 6 is filled up, so that the connection is tight and leakproof, the effect of sealing the outside of the flange can be achieved, the effect of effectively carrying out external and internal double sealing on the connecting flange for the GIL is achieved, and the later-stage overhauling and maintenance are facilitated.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. A connecting flange double-sealing structure for GIL comprises a line pipeline body (1) and is characterized in that one end, away from each other, of the line pipeline body (1) is welded with a line connecting pipe (2), one end, close to each other, of the line pipeline body (1) is clamped with a rubber ring (3), one end, close to each other, of the rubber ring (3) is sleeved with a fixed sleeve (4), a first circular table ring (10) is welded on one side, away from the left rubber ring (3), of the fixed sleeve (4) on the left side, a first lantern ring (5) is welded on one side, away from the left fixed sleeve (4), of the first lantern ring (5), a first flange plate (6) is welded on one side, away from the first circular table ring (10), a second circular table ring (11) is welded on one side, away from the right rubber ring (3), of the fixed sleeve (4) on the right side, one side of the second circular table ring (11) far away from the right-side fixed sleeve (4) is welded with a second sleeve ring (12), and one side of the second sleeve ring (12) far away from the second circular table ring (11) is welded with a second flange plate (8).
2. The double-sealing structure of the connecting flange for the GIL as recited in claim 1, wherein a first flange gasket (7) and a second flange gasket (13) are respectively arranged on the side, close to each other, of the second flange plate (8) and the first flange plate (6), a plurality of threaded through holes arranged in an annular array are formed in the periphery of the side, close to each other, of the second flange plate (8), the first flange plate (6), the first flange gasket (7) and the second flange gasket (13), and bolts (14) are sleeved in the threaded through holes.
3. The double sealing structure of the connecting flange for the GIL as recited in claim 2, wherein a nut is welded to one end of the bolt (14) close to the second flange plate (8), a metal gasket is sleeved on an outer ring of the bolt (14) on the right side of the second flange plate (8), and a nut (15) is sleeved on one end of the bolt (14) on the left side of the first flange plate (6).
4. The double sealing structure of the connecting flange for the GIL as claimed in the claims 1 and 2, wherein the outer ring of the bolt (14) is provided with a thread, and the thread of the outer ring of the bolt (14) is meshed with the thread holes provided on the second flange plate (8) and the first flange plate (6).
5. The double sealing structure of the connecting flange for the GIL according to claim 1, wherein a groove is formed in one side, away from each other, of each rubber ring (3), the inner portion of each groove is clamped with one end, close to each other, of each line pipeline body (1), and a reed (9) is arranged on each inner ring of each rubber ring (3).
6. The double-sealing structure of the connecting flange for the GIL as recited in claim 1, wherein the second flange plate (8), the first flange plate (6), the first flange gasket (7) and the second flange gasket (13) are all provided with openings arranged in an annular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210237246.5A CN114719100A (en) | 2022-03-10 | 2022-03-10 | Connecting flange double-seal structure for GIL |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210237246.5A CN114719100A (en) | 2022-03-10 | 2022-03-10 | Connecting flange double-seal structure for GIL |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114719100A true CN114719100A (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210237246.5A Pending CN114719100A (en) | 2022-03-10 | 2022-03-10 | Connecting flange double-seal structure for GIL |
Country Status (1)
| Country | Link |
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| CN (1) | CN114719100A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111442A (en) * | 2022-08-04 | 2022-09-27 | 徐州瑞田工程机械有限公司 | Auxiliary connecting flange for engine water pipe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08226586A (en) * | 1995-02-22 | 1996-09-03 | East Japan Railway Co | Pipe with flange joint of same diameter |
| CN213206875U (en) * | 2020-08-17 | 2021-05-14 | 苏州美隆橡塑制品有限公司 | Sealing rubber ring with self-drainage structure |
| CN214093435U (en) * | 2020-11-16 | 2021-08-31 | 盐城骏马汽配有限公司 | Stainless steel stretching flange of automobile exhaust pipe |
| CN215826380U (en) * | 2021-07-14 | 2022-02-15 | 山东浩信机械有限公司 | Light hub |
-
2022
- 2022-03-10 CN CN202210237246.5A patent/CN114719100A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08226586A (en) * | 1995-02-22 | 1996-09-03 | East Japan Railway Co | Pipe with flange joint of same diameter |
| CN213206875U (en) * | 2020-08-17 | 2021-05-14 | 苏州美隆橡塑制品有限公司 | Sealing rubber ring with self-drainage structure |
| CN214093435U (en) * | 2020-11-16 | 2021-08-31 | 盐城骏马汽配有限公司 | Stainless steel stretching flange of automobile exhaust pipe |
| CN215826380U (en) * | 2021-07-14 | 2022-02-15 | 山东浩信机械有限公司 | Light hub |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111442A (en) * | 2022-08-04 | 2022-09-27 | 徐州瑞田工程机械有限公司 | Auxiliary connecting flange for engine water pipe |
| CN115111442B (en) * | 2022-08-04 | 2023-12-29 | 江苏乾景环保科技有限公司 | Auxiliary connecting flange for engine water pipe |
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