CN115451327B - Liquefied natural gas holding vessel sealing head - Google Patents
Liquefied natural gas holding vessel sealing head Download PDFInfo
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- CN115451327B CN115451327B CN202211235418.1A CN202211235418A CN115451327B CN 115451327 B CN115451327 B CN 115451327B CN 202211235418 A CN202211235418 A CN 202211235418A CN 115451327 B CN115451327 B CN 115451327B
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- sealing
- ring
- groove
- sealing head
- connecting pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C3/00—Vessels not under pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/06—Closures, e.g. cap, breakable member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
- F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to the technical field of liquefied natural gas storage tanks, in particular to a liquefied natural gas storage tank sealing head, which comprises: the surface of one end, close to the sealing head main body, of the sealing head connecting pipe is provided with a connecting pipe mounting seat, and one end, far away from the sealing head main body, of the sealing head connecting pipe is sleeved with a main sealing ring; the tool ring is sleeved on the surface of the connecting pipe mounting seat, and the surface of the tool ring is provided with a hinge bracket; the tool bar is connected to the inside of the hinge bracket, and the sliding hole is formed in the inside of the tool bar. According to the liquefied natural gas storage tank, the tool rod and the tool belt drive the threaded ring to rotate, so that the threaded ring extrudes the sealing compression ring, the air pressure in the air groove is pressed between the two groups of connecting walls through the through pipe, the auxiliary sealing ring is pushed towards the direction of the liquefied natural gas storage tank body, the auxiliary sealing ring is extruded between the sealing head connecting pipe and the sealing step, a good sealing effect is achieved, meanwhile, the sealing compression ring and the sealing step extrude the main sealing ring, a second seal is formed, and the sealing effect is enhanced.
Description
Technical Field
The invention relates to the technical field of liquefied natural gas storage tanks, in particular to a liquefied natural gas storage tank sealing head.
Background
The liquefied natural gas storage tank is a canning container for storing liquefied natural gas, and a sealing head is arranged at an inlet and an outlet of the liquefied natural gas storage tank and is used for sealing the liquefied natural gas storage tank and connecting a natural gas pipeline.
The existing sealing head for the liquefied natural gas storage tank is usually sleeved at the end part of the sealing head, then the sealing head is fixed at the inlet and outlet of the storage tank through threads, and the sealing head is connected with a natural gas pipeline through a valve on the sealing head, so that the opening and sealing of the storage tank are realized.
However, when the sealing head is fixed through threads, the sealing ring at the end part of the sealing head is easy to displace outwards after being extruded, so that the sealing ring is not tightly attached to the inner wall of the inlet and the outlet of the storage tank, and the sealing effect is affected.
Disclosure of Invention
The invention aims to provide a liquefied natural gas storage tank sealing head so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a liquefied natural gas storage tank seal head, the seal head comprising:
the sealing head comprises a sealing head main body, wherein the surface of the sealing head main body is connected with a sealing head connecting pipe, the surface of one end of the sealing head connecting pipe, which is close to the sealing head main body, is provided with a connecting pipe mounting seat, one end of the sealing head connecting pipe, which is far away from the sealing head main body, is sleeved with a main sealing ring, and the surface of the sealing head main body is sleeved with a threaded ring;
the tool ring is sleeved on the surface of the connecting pipe mounting seat, a control groove is formed in the inner wall of one end, close to the threaded ring, of the tool ring, and a hinge bracket is arranged on the surface of the tool ring;
the tool bar is connected to the inside of the articulated frame, a sliding hole is formed in the tool bar, and a clamping block mounting plate is arranged in the sliding hole.
Preferably, the sealing head connecting pipe is fixedly connected with the sealing head main body, the sealing head connecting pipe is inserted into the storage tank inlet and outlet, the storage tank inlet and outlet is fixedly mounted at the end part of the liquefied natural gas storage tank main body, the storage tank inlet and outlet is internally provided with a sealing step, the inner wall of the storage tank inlet and outlet is provided with threads, the end part of the sealing head connecting pipe, which is close to one end of the storage tank inlet and outlet, is arranged into a round table shape, the side surface of the sealing head connecting pipe, which is close to one end of the storage tank inlet and outlet, is fixedly provided with a sealing compression ring, the sealing head connecting pipe and the connecting pipe mounting seat are of an integral structure, the surface of the connecting pipe mounting seat is provided with a positioning groove, and the positioning groove is of an annular groove structure.
Preferably, the main sealing ring is attached to the sealing step, an air groove is formed in one side, close to the sealing pressure ring, of the main sealing ring, an elastic air bag cover is arranged on one side, close to the sealing pressure ring, of the air groove, the elastic air bag cover is fixedly connected with the main sealing ring, and an auxiliary sealing ring is arranged on one side, far away from the sealing pressure ring, of the main sealing ring.
Preferably, the auxiliary sealing ring is close to two groups of connecting walls on one side of the main sealing ring, the connecting walls are made of elastic materials, the elasticity of the connecting walls is larger than that of the elastic air bag cover, one side, away from the auxiliary sealing ring, of the connecting walls is fixedly connected with the main sealing ring, a sealed air bin is formed between the two groups of connecting walls, and a plurality of groups of through pipes are arranged between the sealed air bin and the air groove formed between the two groups of connecting walls.
Preferably, the tool ring and the surface of the connecting pipe mounting seat are arranged in a sliding manner, two groups of telescopic grooves are symmetrically formed in the side faces of the tool ring, two groups of side sliding grooves are symmetrically formed in the side walls of the telescopic grooves, and positioning blocks are arranged in the telescopic grooves.
Preferably, the locating block and the inner wall of the telescopic groove are arranged in a sliding manner, two groups of side sliding plates are symmetrically arranged on two sides of the locating block, the side sliding plates are arranged on the inner wall of the side sliding groove in a sliding manner, and an elastic supporting piece is arranged between the side sliding plates and the inner wall of one end of the side sliding groove, which is close to the inner side of the tool ring.
Preferably, the articulated frame is provided with two sets of, and the position of articulated frame corresponds with the position of expansion tank, and the inside of articulated frame is provided with rotatory groove, and rotatory groove is the arc groove structure, and rotatory groove is seted up in the surface of tool ring, and the screens groove has been seted up to the inner wall one side of rotatory groove.
Preferably, the tool bar is provided with the pivot near the bilateral symmetry of the one end of articulated frame, and the tool bar rotates through pivot and articulated frame to be connected, and the tip that the tool bar is close to the one end of articulated frame has been seted up and has been removed the groove No. two, and the side that the tool bar is close to the one end of articulated frame has been seted up and has been removed the groove No. two, and the through-hole has been seted up to the inner wall of a groove and No. two removal grooves all and slide hole intercommunication, and the through-hole runs through the pivot of tool bar one side.
Preferably, the inner wall sliding arrangement of screens piece mounting panel and slide hole is provided with reset spring between the inner wall that the through-hole was kept away from to screens piece mounting panel and slide hole, one side fixedly connected with depression bar that screens piece mounting panel is close to the through-hole, the depression bar runs through the through-hole, the inner wall sliding arrangement of slide hole and through-hole, one side fixedly connected with screens piece that screens piece mounting panel is close to a removal groove, a screens piece passes a removal groove, and a screens piece and the inner wall sliding arrangement of a removal groove, one side fixedly connected with screens piece that screens piece mounting panel is close to No. two removal grooves, no. two screens piece pass No. two removal grooves, and No. two screens piece and No. two removal groove's inner wall sliding arrangement.
Compared with the prior art, the invention has the beneficial effects that:
according to the liquefied natural gas storage tank, the tool rod and the tool belt drive the threaded ring to rotate, so that the threaded ring extrudes the sealing compression ring, the air pressure in the air groove is pressed between the two groups of connecting walls through the through pipe, so that the auxiliary sealing ring is pushed towards the direction of the liquefied natural gas storage tank main body, the auxiliary sealing ring is extruded between the sealing head connecting pipe and the sealing step to form a good sealing effect, meanwhile, the sealing compression ring and the sealing step extrude the main sealing ring to form a second seal, the sealing effect is enhanced, and the problems that the sealing ring at the end part of the sealing head is easy to outwards displace after being extruded when the sealing head is fixed through threads, so that the sealing ring is not tightly attached to the inner wall of an inlet and an outlet of the storage tank, and the sealing effect is affected are solved; through setting up tool ring and foldable tool bar, also can carry out the dismouting to the sealing head when not possessing the instrument, improved the convenience, and fold the tool bar after the dismouting is accomplished, occupation space is not.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3B according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3C according to the present invention;
FIG. 6 is a schematic cross-sectional view of a tool shank according to the present invention;
FIG. 7 is a schematic view of a tool ring according to the present invention;
FIG. 8 is a schematic view of a seal ring according to the present invention;
FIG. 9 is a schematic cross-sectional view of a tool ring according to the present invention;
fig. 10 is a schematic structural view of a mounting plate of a clamping block according to the present invention.
In the figure: the liquefied natural gas storage tank comprises a liquefied natural gas storage tank body, a storage tank inlet and outlet, a sealing step 12, a sealing head body 2, a sealing head connecting pipe 21, a connecting pipe installing seat 22, a 23 positioning groove, a 24 sealing compression ring, a 3-thread ring, a 4 main sealing ring, a 41 elastic air bag cover, a 42 air groove, a 43 through pipe, a 44 auxiliary sealing ring, a 45 connecting wall, a 5 tool ring, a 51 control groove, a 52 hinge bracket, a 53 rotating groove, a 54 clamping groove, a 55 telescopic groove, a 56 side sliding groove, a 57 elastic supporting sheet, a 58 positioning block, a 59 side sliding plate, a 6 tool rod, a 61 rotating shaft, a 62 sliding hole, a 621 through hole, a 63 return spring, a 64 first moving groove, a 65 second moving groove, a 66 compression rod, a 67 clamping block installing plate, a 68 first clamping block and a 69 second clamping block.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Referring to fig. 1 to 10, the present invention provides a technical solution:
a liquefied natural gas storage tank seal head, the seal head comprising:
the sealing head comprises a sealing head main body 2, a sealing head connecting pipe 21 is connected to the surface of the sealing head main body 2, a connecting pipe mounting seat 22 is arranged on the surface of one end, close to the sealing head main body 2, of the sealing head connecting pipe 21, a main sealing ring 4 is sleeved on one end, far away from the sealing head main body 2, of the sealing head connecting pipe 21, a threaded ring 3 is sleeved on the surface of the sealing head main body 2, the sealing head connecting pipe 21 is fixedly connected with the sealing head main body 2, the sealing head connecting pipe 21 is inserted into the storage tank inlet and outlet 11, the storage tank inlet and outlet 11 is fixedly arranged at the end of the liquefied natural gas storage tank main body 1, a sealing step 12 is arranged in the storage tank inlet and outlet 11, threads are arranged on the inner wall of the storage tank inlet and outlet 11, the end, close to the storage tank inlet and outlet 11, of the sealing head connecting pipe 21 is in a round table shape, a sealing compression ring 24 is fixedly arranged on the side surface of one end, close to the storage tank inlet and outlet 11, of the sealing head connecting pipe 21, the sealing head connecting pipe 21 and the connecting pipe mounting seat 22 are of an integral structure, a positioning groove 23 is formed in the surface of the connecting pipe mounting seat 22, the positioning groove 23 is of an annular groove structure, the main sealing ring 4 is attached to the sealing step 12, an air groove 42 is formed in one side of the main sealing ring 4, which is close to the sealing pressing ring 24, an elastic air bag cover 41 is arranged in one side of the air groove 42, which is close to the sealing pressing ring 24, the elastic air bag cover 41 is fixedly connected with the main sealing ring 4, an auxiliary sealing ring 44 is arranged in one side of the main sealing ring 4, which is far away from the sealing pressing ring 24, two groups of connecting walls 45 are fixedly connected with one side of the auxiliary sealing ring 44, which is close to the main sealing ring 4, the connecting walls 45 are made of elastic materials, the elasticity of the connecting walls 45 is larger than that of the elastic air bag cover 41, one side of the connecting walls 45, which is far away from the auxiliary sealing ring 44, is fixedly connected with the main sealing ring 4, a sealed air chamber is formed between the two groups of connecting walls 45, and a plurality of groups of through pipes 43 are arranged between the airtight gas bin formed between the two groups of connecting walls 45 and the gas tank 42.
The tool ring 5, the surface of connecting pipe mount pad 22 is located to tool ring 5 cover, control groove 51 has been seted up to tool ring 5's one end inner wall that is close to screwed ring 3, the surface of tool ring 5 is provided with articulated frame 52, tool ring 5 and the surface sliding arrangement of connecting pipe mount pad 22, two sets of expansion tank 55 have been seted up to the side symmetry of tool ring 5, two sets of sideslip groove 56 have been seted up to the lateral wall symmetry of expansion tank 55, the inside of expansion tank 55 is provided with locating piece 58, the locating piece 58 slides with the inner wall sliding arrangement of expansion tank 55, the bilateral symmetry of locating piece 58 is provided with two sets of side sliding plates 59, sideslip plate 59 slides and sets up in the inner wall of side spout 56, be provided with elastic support piece 57 between the one end inner wall that sideslip plate 59 is close to the inboard of tool ring 5 with sideslip groove 56, articulated frame 52 is provided with two sets of, the position of articulated frame 52 corresponds with the position of expansion tank 55, the inside of articulated frame 52 is provided with rotary groove 53, rotary groove 53 is the arc groove structure, rotary groove 53 is seted up in the surface of tool ring 5, clamping groove 53 one side of the inner wall.
The utility model provides a tool bar 6, tool bar 6 connects in the inside of articulated frame 52, slide hole 62 has been seted up to the inside of tool bar 6, the inside of slide hole 62 is provided with screens piece mounting panel 67, the both sides symmetry that tool bar 6 is close to the one end of articulated frame 52 is provided with pivot 61, tool bar 6 rotates with articulated frame 52 through pivot 61 and is connected, first moving groove 64 has been seted up to the tip that tool bar 6 is close to the one end of articulated frame 52, second moving groove 65 has been seted up to the side that tool bar 6 is close to the one end of articulated frame 52, first moving groove 64 and second moving groove 65 all communicate with slide hole 62, through-hole 621 has been seted up to the inner wall of slide hole 62, pivot 61 that through-hole 621 runs through tool bar 6 one side, screens piece mounting panel 67 slides the setting with the inner wall of slide hole 62, be provided with return spring 63 between screens piece mounting panel 67 and the inner wall that the slide hole 62 kept away from the through-hole 621, one side fixedly connected with through-hole 66 of screens piece mounting panel 67 is close to the through-hole 621, first moving groove 68 is seted up with the inner wall of slide hole 621, one side that screens piece 67 is close to first moving groove 64 is fixedly connected with second moving groove 68, and second moving groove 65 is provided with second moving groove 69, and second side 65 is provided with a side of screens piece 69.
In the use of the invention, the main sealing ring 4 is sleeved on the surface of the sealing head connecting pipe 21 through the round table-shaped end of the sealing head connecting pipe 21, the elastic air bag cover 41 is attached to the sealing compression ring 24, the sealing head connecting pipe 21 is inserted into the inside of the inlet and outlet 11 of the storage tank, the main sealing ring 4 is attached to the sealing step 12, the threaded ring 3 is inserted into the inside of the inlet and outlet 11 of the storage tank, the second clamping block 69 is moved from the inside of the clamping groove 54 to the inside of the rotating groove 53 by pressing the pressing rod 66, at this time, the tool rod 6 is controlled to rotate, when the tool rod 6 rotates to be perpendicular to the position of the tool ring 5, the pressing rod 66 is released, the first clamping block 68 is clamped into the inside of the clamping groove 54 under the action of the return spring 63, the position of the tool rod 6 is limited, the pressure of the tool rod 6 is lost, the positioning block 58 is separated from the inside of the positioning groove 23 under the action of the elastic supporting piece 57, at this time, the tool rod 6 controls the tool ring 5 to move, so that the control groove 51 is sleeved on the end part of the threaded ring 3, the tool rod 6 and the tool ring 5 drive the threaded ring 3 to rotate, the threaded ring 3 is screwed into the inlet and outlet 11 of the storage tank through threads, during screwing the threaded ring 3, the threaded ring 3 presses the sealing pressing ring 24, the sealing pressing ring 24 presses the elastic air bag cover 41, the air pressure in the air groove 42 is pressed between the two groups of connecting walls 45 through the through pipe 43, the air pressure can only be pressed in the direction of the auxiliary sealing ring 44 because the outer sides of the two groups of connecting walls 45 are pressed by the sealing step 12 and the sealing head connecting pipe 21, so that the auxiliary sealing ring 44 is pushed in the direction of the liquefied natural gas storage tank main body 1, the auxiliary sealing ring 44 is pressed between the sealing head connecting pipe 21 and the sealing step 12, and a good sealing effect is formed, simultaneously, the sealing compression ring 24 and the sealing step 12 extrude the main sealing ring 4 to form a second seal, the sealing effect is enhanced, then the tool ring 5 is controlled by the tool rod 6 to be sleeved on the surface of the connecting pipe installation seat 22, the pressing rod 66 drives the first clamping block 68 to move from the inside of the clamping groove 54 to the inside of the rotating groove 53, the tool rod 6 is rotated, the tool rod 6 presses the positioning block 58 into the inside of the positioning groove 23, when the tool rod 6 is parallel to the side surface of the tool ring 5, the pressing rod 66 is released, and the second clamping block 69 is clamped into the inside of the clamping groove 54, so that the position of the tool rod 6 is limited.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a liquefied natural gas holding vessel sealing head which characterized in that: the sealing head comprises:
the sealing head comprises a sealing head main body (2), wherein the surface of the sealing head main body (2) is connected with a sealing head connecting pipe (21), a connecting pipe mounting seat (22) is arranged on the surface of one end, close to the sealing head main body (2), of the sealing head connecting pipe (21), a main sealing ring (4) is sleeved on one end, far away from the sealing head main body (2), of the sealing head connecting pipe, and a threaded ring (3) is sleeved on the surface of the sealing head main body (2);
the tool ring (5) is sleeved on the surface of the connecting pipe mounting seat (22), a control groove (51) is formed in the inner wall of one end, close to the threaded ring (3), of the tool ring (5), and a hinge bracket (52) is arranged on the surface of the tool ring (5);
the tool rod (6), the tool rod (6) is connected to the inside of the articulated frame (52), the inside of the tool rod (6) is provided with a sliding hole (62), and the inside of the sliding hole (62) is provided with a clamping block mounting plate (67);
the sealing head connecting pipe (21) is fixedly connected with the sealing head main body (2), the sealing head connecting pipe (21) is inserted into the storage tank inlet and outlet (11), the storage tank inlet and outlet (11) is fixedly arranged at the end part of the liquefied natural gas storage tank main body (1), a sealing step (12) is arranged in the storage tank inlet and outlet (11), threads are arranged on the inner wall of the storage tank inlet and outlet (11), the end part of the sealing head connecting pipe (21) close to one end of the storage tank inlet and outlet (11) is in a circular truncated cone shape, a sealing compression ring (24) is fixedly arranged on the side surface of one end of the sealing head connecting pipe (21) close to the storage tank inlet and outlet (11), the sealing head connecting pipe (21) and the connecting pipe mounting seat (22) are of an integral structure, a positioning groove (23) is formed in the surface of the connecting pipe mounting seat (22), and the positioning groove (23) is in an annular groove structure;
the main sealing ring (4) is attached to the sealing step (12), an air groove (42) is formed in one side, close to the sealing pressing ring (24), of the main sealing ring (4), an elastic air bag cover (41) is arranged on one side, close to the sealing pressing ring (24), of the air groove (42), the elastic air bag cover (41) is fixedly connected with the main sealing ring (4), and an auxiliary sealing ring (44) is arranged on one side, far away from the sealing pressing ring (24), of the main sealing ring (4);
two groups of connecting walls (45) are fixedly connected to one side, close to the main sealing ring (4), of the auxiliary sealing ring (44), the connecting walls (45) are made of elastic materials, the elasticity of the connecting walls (45) is larger than that of the elastic air bag cover (41), one side, far away from the auxiliary sealing ring (44), of the connecting walls (45) is fixedly connected with the main sealing ring (4), a sealed air bin is formed between the two groups of connecting walls (45), and a plurality of groups of through pipes (43) are formed between the sealed air bin formed between the two groups of connecting walls (45) and the air groove (42);
the tool ring (5) and the surface of the connecting pipe mounting seat (22) are arranged in a sliding mode, two groups of telescopic grooves (55) are symmetrically formed in the side face of the tool ring (5), two groups of sideslip grooves (56) are symmetrically formed in the side wall of the telescopic grooves (55), and positioning blocks (58) are arranged in the telescopic grooves (55);
the positioning block (58) and the inner wall of the telescopic groove (55) are arranged in a sliding manner, two groups of side sliding plates (59) are symmetrically arranged on two sides of the positioning block (58), the side sliding plates (59) are arranged on the inner wall of the side sliding groove (56) in a sliding manner, and an elastic supporting piece (57) is arranged between the side sliding plates (59) and the inner wall of one end, close to the inner side of the tool ring (5), of the side sliding groove (56);
the two groups of hinge brackets (52) are arranged, the positions of the hinge brackets (52) correspond to the positions of the telescopic grooves (55), the inside of the hinge brackets (52) is provided with rotary grooves (53), the rotary grooves (53) are of arc-shaped groove structures, the rotary grooves (53) are formed in the surfaces of the tool rings (5), and clamping grooves (54) are formed in one side of the inner wall of the rotary grooves (53);
the two sides of the tool rod (6) close to one end of the hinge bracket (52) are symmetrically provided with rotating shafts (61), the tool rod (6) is rotationally connected with the hinge bracket (52) through the rotating shafts (61), a first moving groove (64) is formed in the end part of the tool rod (6) close to one end of the hinge bracket (52), a second moving groove (65) is formed in the side surface of the tool rod (6) close to one end of the hinge bracket (52), the first moving groove (64) and the second moving groove (65) are communicated with sliding holes (62), through holes (621) are formed in the inner wall of the sliding holes (62), and the through holes (621) penetrate through the rotating shafts (61) on one side of the tool rod (6);
the utility model provides a clamping block mounting panel (67) and the inner wall slip setting of slide hole (62), be provided with reset spring (63) between the inner wall that clamping block mounting panel (67) and slide hole (62) kept away from through-hole (621), one side fixedly connected with depression bar (66) that clamping block mounting panel (67) are close to through-hole (621), depression bar (66) run through-hole (621), one side fixedly connected with clamping block (68) that sliding hole (62) and through-hole (621) are slided to clamping block mounting panel (67) are close to one side of first removal groove (64), first clamping block (68) pass first removal groove (64), and first clamping block (68) and the inner wall slip setting of first removal groove (64), one side fixedly connected with second clamping block (69) that clamping block mounting panel (67) is close to second removal groove (65), and second clamping block (69) and the inner wall slip setting of second removal groove (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211235418.1A CN115451327B (en) | 2022-10-10 | 2022-10-10 | Liquefied natural gas holding vessel sealing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211235418.1A CN115451327B (en) | 2022-10-10 | 2022-10-10 | Liquefied natural gas holding vessel sealing head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115451327A CN115451327A (en) | 2022-12-09 |
| CN115451327B true CN115451327B (en) | 2023-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211235418.1A Active CN115451327B (en) | 2022-10-10 | 2022-10-10 | Liquefied natural gas holding vessel sealing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115451327B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN212467181U (en) * | 2020-05-15 | 2021-02-05 | 唐山博皓工程技术有限公司 | Easily-cleaned gas filling device based on gas phase extraction method |
| CN213513162U (en) * | 2020-10-23 | 2021-06-22 | 新疆誉州气体制造有限公司 | Nitrogen gas storage jar that leakproofness is high |
| CN217302462U (en) * | 2022-02-25 | 2022-08-26 | 大连三木气体有限公司 | Low-temperature liquefied gas storage equipment |
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| JP4451439B2 (en) * | 2006-09-01 | 2010-04-14 | 韓国ガス公社 | Structure for forming a storage tank for liquefied natural gas |
| US10371321B2 (en) * | 2014-07-11 | 2019-08-06 | Kc Lng Tech Co., Ltd. | Anchor structure and LNG storage tank including the same |
| KR101827098B1 (en) * | 2016-04-06 | 2018-02-07 | 현대자동차주식회사 | Absobed natural gas storing tank |
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| CN103375631A (en) * | 2012-04-20 | 2013-10-30 | 希普泰克有限公司 | Electromagnetic valve for a container valve of a fuel supply system |
| CN210088456U (en) * | 2019-05-04 | 2020-02-18 | 连云港恒裕照明灯具有限公司 | Argon filling system for ultraviolet lamp tube |
| CN210567496U (en) * | 2019-07-23 | 2020-05-19 | 玉门大洋天庆石化有限责任公司 | Phosphorus alkane collecting and filling device |
| CN211649789U (en) * | 2019-12-01 | 2020-10-09 | 中海油辽宁天然气有限责任公司 | Liquefied natural gas flash distillation gas recovery unit |
| CN212467181U (en) * | 2020-05-15 | 2021-02-05 | 唐山博皓工程技术有限公司 | Easily-cleaned gas filling device based on gas phase extraction method |
| CN213513162U (en) * | 2020-10-23 | 2021-06-22 | 新疆誉州气体制造有限公司 | Nitrogen gas storage jar that leakproofness is high |
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| CN115451327A (en) | 2022-12-09 |
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