CN113175582B - Natural gas line shutoff connecting device - Google Patents
Natural gas line shutoff connecting device Download PDFInfo
- Publication number
- CN113175582B CN113175582B CN202110448154.7A CN202110448154A CN113175582B CN 113175582 B CN113175582 B CN 113175582B CN 202110448154 A CN202110448154 A CN 202110448154A CN 113175582 B CN113175582 B CN 113175582B
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- Prior art keywords
- plate
- movably connected
- natural gas
- swing joint
- locking mechanism
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/115—Caps
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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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/11—Plugs
- F16L55/1141—Plugs the plug being made of elastic material
Abstract
The invention discloses a natural gas pipeline plugging and connecting device which comprises a matching pipe, wherein a traction plate is arranged at the middle position of the top of the matching pipe, one end, positioned at the top of the matching pipe, of the traction plate is movably connected with a knob plate, the inner surface of the knob plate is movably connected with a plug, the traction plate is positioned at the bottom of the matching pipe and is movably connected with a traction rope, one end, far away from the traction plate, of the traction rope is movably connected with a locking mechanism, the inner surface of the locking mechanism is movably connected with a fixed locking plate, the outer surface of the fixed locking plate is provided with a threaded limiting groove, and the position, positioned at the traction rope, of the bottom of the outer surface of the matching pipe is movably connected with a guide wheel. Utilize whole columniform design, reduce the occupation volume of equipment component self, agree with the natural gas line simultaneously, avoid causing unnecessary height adjustment to the natural gas line, avoid natural gas line self to produce the slope and cause relative stress concentration, realize the continuation protection to the natural gas line.
Description
Technical Field
The invention relates to the technical field of natural gas pipelines, in particular to a natural gas pipeline plugging and connecting device.
Background
The natural gas pipeline refers to a pipeline for conveying natural gas (including associated gas produced by an oil field) from a mining place or a processing plant to a city gas distribution center or an industrial enterprise user, and is also called a gas transmission pipeline. The natural gas pipeline is used for conveying natural gas, and the natural gas pipeline is a mode for conveying a large amount of natural gas on land. Natural gas pipelines account for about half of the total pipeline length in the world.
According to chinese patent CN211599911U, insert first dead lever and second dead lever underground earlier, then rotate the screw rod, the screw rod drives the movable block downstream through thread engagement's effect, drive the second dead lever through the movable block, thereby play the supporting role to the installation piece, improve the steadiness of installation piece position, start telescopic machanism body and drive the mounting panel and remove, can drive the slide bar when the installation piece removes and remove, the slide bar can improve the stability when the mounting panel removes, it removes to drive the slider through the slide bar, the slider can improve the stability when the slide bar removes, then the mounting panel drives the circular cone type block rubber and extends to in the body, thereby shutoff is carried out to the body. In the use, the application of force effect of structure has outside supporting mechanism to supply with, and the component directly exposes outside, and self occupation volume is great, influences the angle of placing of natural gas line self simultaneously, causes the damage to other adapting unit.
Current natural gas line shutoff connecting device is in the use, and the application of force effect of structure has outside supporting mechanism to supply with, and the component is direct to be exposed outside, and self occupation volume is great, influences the angle of placing of natural gas line self simultaneously, causes the damage to other adapting unit.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a natural gas pipeline plugging and connecting device, which solves the problems that the force application effect of the structure is supplied by an external supporting mechanism, a component is directly exposed outside, the self occupied volume is large, the placing angle of the natural gas pipeline is influenced, and other connecting parts are damaged in the using process of the conventional natural gas pipeline plugging and connecting device.
(II) technical scheme
In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a natural gas line shutoff connecting device, includes the cooperation pipe, cooperation socle top intermediate position is provided with the traction plate, the one end swing joint that the traction plate is located cooperation socle top has the knob board, knob inboard surface swing joint has the plug, the traction plate is located cooperation socle bottom swing joint has the haulage rope, the one end swing joint that the haulage rope kept away from the traction plate has locking mechanism, locking mechanism interior surface swing joint has the fixed jam plate, the screw thread spacing groove has been seted up to fixed jam plate surface, the position swing joint that cooperation outside of tubes surface bottom is located the haulage rope has the leading wheel. Utilize whole columniform design, reduce the occupation volume of equipment component self, agree with the natural gas line simultaneously, avoid causing unnecessary height adjustment to the natural gas line, avoid natural gas line self to produce the slope and cause relative stress concentration, realize the continuation protection to the natural gas line.
Preferably, the closing plug includes that the screw thread is exerted pressure a section of thick bamboo, screw thread is exerted pressure a section of thick bamboo internal surface swing joint and is strengthened the bracer, it has rubber sealing cone to strengthen bracer top swing joint, screw thread is exerted pressure bobbin base fixedly connected with round platform sealing colloid, round platform sealing colloid surface swing joint has the rubber ring, round platform sealing colloid internal surface swing joint has the snap ring that advances gradually.
Preferably, the outer surface of the threaded pressing barrel is movably connected with the knob plate, the outer surface of the rubber ring is movably connected with the matching pipe, a guide groove is formed in the outer surface of the circular truncated cone sealing rubber body, and the circular truncated cone sealing rubber body is located on the inner surface of the guide groove and is movably connected with the rubber ring. The component is extruded through the air pressure of the internal natural gas, the progressive clamping rings are mutually overlapped, the rubber ring is expanded and the position of the rubber ring is adjusted, the rubber ring is extruded inside the natural gas pipeline, sealing strengthening is achieved through the pressure of the internal natural gas, and damage is avoided due to the built-in structure.
Preferably, the locking mechanism comprises a wire twisting mechanism, the front side and the back side of the wire twisting mechanism are movably connected with a wire separating ring plate, one side, away from the wire twisting mechanism, of the wire separating ring plate is provided with a wire separating hole, and the back side of the wire separating hole penetrates through the wire separating ring plate and extends to one side, close to the wire twisting mechanism, of the wire separating ring plate.
Preferably, the back of the wire distributing hole is communicated with the wire stranding mechanism, the inner surface of the wire distributing ring plate is movably connected with the fixed locking plate, and the inner surface of the wire stranding mechanism is movably connected with the fixed locking plate. Through the inclined plane design of fixed jam plate self, utilize separated time ring board to enclose the continuous position adjustment that carries on of screw thread spacing groove for equipment is to the continuous fastening of exerting pressure of natural gas line, ensures the stability that equipment is fixed, and the atmospheric pressure of inside natural word self supports in inside simultaneously, and the annular of cooperation separated time ring board is all-round to exert pressure, avoids the damage of component to natural gas line, ensures mutual equipment safety.
Preferably, the wire twisting mechanism comprises a driving outer ring, a concave locking mechanism is movably connected to the inner surface of the driving outer ring, an inner ring plate is arranged on the outer surface of one side, away from the driving outer ring, of the concave locking mechanism, the concave locking mechanism penetrates through the inner ring plate and extends to the inner surface of the inner ring plate, a wire pulling column is movably connected to the inner surface of the concave locking mechanism, located between the inner ring plate and the driving outer ring, of the concave locking mechanism, and a wire pulling hole is formed in the top of the concave locking mechanism, located between the wire pulling columns.
Preferably, the top and the bottom of the inner ring plate are movably connected with the wire distributing ring plate, the top of the wire pulling hole is communicated with the wire distributing hole, and the outer surface of the wire pulling column is movably connected with the traction rope. The traction rope is wound through rotation of the traction rope, the whole component of the equipment is shrunk and finely adjusted, the sealing effect of the component on the natural gas pipeline is enhanced, meanwhile, the traction force is dispersed through multi-side traction of the traction rope, and sealing defect caused when part of the component is damaged is avoided.
Preferably, the concave locking mechanism comprises a mounting plate, a folding supporting plate is movably connected to the top of the mounting plate, a V-shaped clamping plate is movably connected to the inner surface of the folding supporting plate, a magnetic expansion ball is movably connected to the inner surface of the V-shaped clamping plate, a magnetic column is movably connected to the middle position of the magnetic expansion ball, a pressurizing air bag is movably connected to one side, close to the inner ring plate, of the magnetic expansion ball, and a protection plate is movably connected to one side, far away from the magnetic expansion ball, of the pressurizing air bag. The expansion of the internal components is realized through the magnetic force of the magnetic columns, the components are locked with each other, the phenomenon that the internal components fall back when in use is avoided, meanwhile, the position of the internal magnetic columns can be changed by utilizing air pressure, the components can be conveniently reset, and the disassembly is more convenient and rapid.
Preferably, the traction plate penetrates through the matching pipe and extends to the outer surface and the top of the matching pipe, the outer surface of the traction rope is movably connected with the guide wheel, and the fixed locking plate is located on the inner surface of the threaded limiting groove and movably connected with the locking mechanism.
(III) advantageous effects
The invention provides a natural gas pipeline plugging and connecting device. The method has the following beneficial effects:
(one), this natural gas line shutoff connecting device, through utilizing whole columniform design, reduce the occupation volume of equipment component self, agree with the natural gas line simultaneously, avoid causing unnecessary altitude mixture control to the natural gas line, avoid natural gas line self to produce the slope and cause relative stress concentration, realize the continuation protection to the natural gas line.
(II), this natural gas line shutoff connecting device extrudees the component through the atmospheric pressure of inside natural gas self for the snap ring superposes each other that advances, expands and the position adjustment to the rubber ring, makes the rubber ring extrude natural gas line inside, realizes sealed reinforcement through the pressure of inside self, and the built-in damage of avoiding of structure.
(III), this natural gas line shutoff connecting device, inclined plane design through fixed jam plate self utilizes the separated time crown plate to enclose the continuous position adjustment that carries on of screw thread spacing groove for equipment is to the continuous fastening of exerting pressure of natural gas line, ensures the stability that equipment is fixed, and the atmospheric pressure of inside natural word self supports in inside simultaneously, and the annular of cooperation separated time crown plate is all-round to exert pressure, avoids the damage of component to natural gas line, ensures mutual equipment safety.
The natural gas pipeline plugging and connecting device winds the traction rope through rotation of the device, fine adjustment is conducted on the whole component of the device in a shrinkage mode, the sealing effect of the component on the natural gas pipeline is strengthened, meanwhile, the traction force is dispersed through multi-side traction of the device, and sealing defects caused when part of the component is damaged are avoided.
(five), this natural gas line shutoff connecting device, the magnetic force through magnetism post self realizes the inflation of internals, forms the locking each other to the components, avoids internals to take place the phenomenon that backs when using, and usable atmospheric pressure carries out the position change of inside magnetism post simultaneously, is convenient for reset the components for dismantle more basic convenient and fast.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic view of the closure of the present invention;
FIG. 3 is a schematic structural view of the locking mechanism of the present invention;
FIG. 4 is a schematic structural diagram of the wire twisting mechanism of the present invention;
FIG. 5 is a schematic diagram of the construction of the female locking mechanism of the present invention;
in the figure: the device comprises a matching pipe 1, a traction plate 2, a knob plate 3, a sealing plug 4, a thread pressing barrel 41, a reinforced support block 42, a rubber sealing cone 43, a circular truncated cone sealing colloid 44, a rubber ring 45, a progressive snap ring 46, a guide groove 47, a traction rope 5, a locking mechanism 6, a wire twisting mechanism 61, an outer ring 611 driving mechanism, a concave 612 locking mechanism, a1 mounting plate, a2 folding supporting plate, a3 magnetic expansion ball, a4 magnetic column, a5 pressurizing air bag, a6 protection plate, a7V type clamping plate, an inner ring plate 613, a wire pulling column 614, a 615 wire pulling hole, a 62 wire dividing ring plate, a 63 wire dividing hole, a7 fixed locking plate, an 8 thread limiting groove and a 9 guide wheel.
Detailed Description
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a natural gas line shutoff connecting device, including cooperation pipe 1, 1 top intermediate position of cooperation pipe is provided with traction plate 2, the one end swing joint that traction plate 2 is located 1 top of cooperation pipe has knob board 3, 3 internal surface swing joints in the knob board have a bung 4, traction plate 2 is located 1 bottom swing joint of cooperation pipe has haulage rope 5, the one end swing joint that traction plate 2 was kept away from to haulage rope 5 has locking mechanism 6, 6 internal surface swing joints in locking mechanism have a fixing lock board 7, screw thread spacing groove 8 has been seted up to 7 external surfaces of fixing lock board, the position swing joint that 1 external surface bottom of cooperation pipe is located haulage rope 5 has leading wheel 9.
The sealing plug 4 comprises a thread pressing barrel 41, the inner surface of the thread pressing barrel 41 is movably connected with a reinforcing support block 42, the top of the reinforcing support block 42 is movably connected with a rubber sealing cone 43, the bottom of the thread pressing barrel 41 is fixedly connected with a circular truncated cone sealing colloid 44, the outer surface of the circular truncated cone sealing colloid 44 is movably connected with a rubber ring 45, and the inner surface of the circular truncated cone sealing colloid 44 is movably connected with a progressive clamping ring 46.
The outer surface of the thread pressing barrel 41 is movably connected with the knob plate 3, the outer surface of the rubber ring 45 is movably connected with the matching pipe 1, the outer surface of the circular truncated cone sealing colloid 44 is provided with a guide groove 47, and the circular truncated cone sealing colloid 44 is positioned on the inner surface of the guide groove 47 and is movably connected with the rubber ring 45.
The locking mechanism 6 comprises a wire twisting mechanism 61, the front and the back of the wire twisting mechanism 61 are movably connected with wire separating ring plates 62, one side of the wire separating ring plate 62, which is far away from the wire twisting mechanism 61, is provided with a wire separating hole 63, and the back of the wire separating hole 63 penetrates through the wire separating ring plate 62 and extends to one side of the wire separating ring plate 62, which is close to the wire twisting mechanism 61.
The back of the wire distributing hole 63 is communicated with the wire twisting mechanism 61, the inner surface of the wire distributing ring plate 62 is movably connected with the fixed locking plate 7, and the inner surface of the wire twisting mechanism 61 is movably connected with the fixed locking plate 7.
The thread twisting mechanism 61 comprises a driving outer ring 611, a concave locking mechanism 612 is movably connected to the inner surface of the driving outer ring 611, an inner ring plate 613 is arranged on the outer surface of one side of the concave locking mechanism 612 away from the driving outer ring 611, the concave locking mechanism 612 penetrates through the inner ring plate 613 and extends to the inner surface of the inner ring plate 613, a thread pulling column 614 is movably connected to the inner surface of the concave locking mechanism 612 between the inner ring plate 613 and the driving outer ring 611, and a thread pulling hole 615 is formed in the top of the concave locking mechanism 612 between the thread pulling column 614.
The top and the bottom of the inner ring plate 613 are movably connected with the branching ring plate 62, the top of the wire pulling hole 615 is communicated with the branching hole 63, and the outer surface of the wire pulling column 614 is movably connected with the traction rope 5.
The concave locking mechanism 612 comprises a mounting plate a1, a folding supporting plate a2 is movably connected to the top of the mounting plate a1, a V-shaped clamping plate a7 is movably connected to the inner surface of the folding supporting plate a2, a magnetic expansion ball a3 is movably connected to the inner surface of the V-shaped clamping plate a7, a magnetic column a4 is movably connected to the middle position of the magnetic expansion ball a3, a pressurizing air bag a5 is movably connected to one side, close to the inner ring plate 613, of the magnetic expansion ball a3, and a protection plate a6 is movably connected to one side, far away from the magnetic expansion ball a3, of the pressurizing air bag a 5.
The traction plate 2 penetrates through the matching pipe 1 and extends to the outer surface and the top of the matching pipe 1, the outer surface of the traction rope 5 is movably connected with the guide wheel 9, and the fixed locking plate 7 is positioned on the inner surface of the thread limiting groove 8 and movably connected with the locking mechanism 6.
When the device is used, the matching pipe 1 is sleeved on a natural gas pipeline, so that the sealing plug 4 is contacted with the natural gas pipeline, the knob plate 3 is rotated, the thread pressing barrel 41 is rotated progressively through threads, and the circular truncated cone sealing colloid 44 continuously penetrates into the natural gas pipeline;
then the protective plate a6 is pressed by rotating the external plug rod through a gap between the fixed lock plates 7, so that the pressurized air bag a5 conveys air into the magnetic expansion ball a3, the magnetic column a4 is ejected, the magnetic expansion ball a3 retracts, and the folding bracing plate a2 contracts;
the outer ring 611 is driven to rotate, so that the whole wire twisting mechanism 61 rotates, the traction rope 5 is retracted through the wire traction column 614, the traction plate 2 drives the knob plate 3 to approach the matching pipe 1, and the sealing effect of the sealing plug 4 and the natural gas pipeline is further enhanced;
the locking mechanism 6 rotates, position change is carried out along the threaded limiting groove 8, the fixing locking plate 7 is pressed by utilizing self-shaping, the fixing locking plate 7 is enabled to fasten and fix the natural gas pipeline, then the external stopper rod is pulled out, the pressurizing air bag a5 is recovered, the magnetic expansion ball a3 is reset by the magnetic column a4 and expanded and supported again, clamping is carried out through the folding supporting plate a2, and the placed equipment is reversed;
the atmospheric pressure of inside natural gas self extrudees the component for progressive snap ring 46 superposes each other, expands and position control to rubber ring 45, makes rubber ring 45 extrude natural gas line inside, realizes sealed reinforcement through the pressure of inside self.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element described by the phrase "comprising a. -" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (9)
1. The utility model provides a natural gas line shutoff connecting device, includes cooperation pipe (1), its characterized in that: cooperation pipe (1) top intermediate position is provided with traction plate (2), the one end swing joint that traction plate (2) are located cooperation pipe (1) top has knob board (3), knob board (3) internal surface swing joint has stopper (4), traction plate (2) are located cooperation pipe (1) bottom swing joint has haulage rope (5), the one end swing joint that haulage rope (5) kept away from traction plate (2) has locking mechanism (6), locking mechanism (6) internal surface swing joint has fixed jam plate (7), screw thread spacing groove (8) have been seted up to fixed jam plate (7) surface, the position swing joint that cooperation pipe (1) surface bottom is located haulage rope (5) has leading wheel (9).
2. The natural gas pipeline plugging and connecting device according to claim 1, wherein: the sealing plug (4) comprises a thread pressing barrel (41), the inner surface of the thread pressing barrel (41) is movably connected with a reinforcing support block (42), the top of the reinforcing support block (42) is movably connected with a rubber sealing cone (43), the bottom of the thread pressing barrel (41) is fixedly connected with a circular truncated cone sealing colloid (44), the outer surface of the circular truncated cone sealing colloid (44) is movably connected with a rubber ring (45), and the inner surface of the circular truncated cone sealing colloid (44) is movably connected with a progressive clamping ring (46).
3. The natural gas pipeline plugging connection device according to claim 2, wherein: the outer surface of the thread pressing barrel (41) is movably connected with the knob plate (3), the outer surface of the rubber ring (45) is movably connected with the matching pipe (1), the outer surface of the circular truncated cone sealing colloid (44) is provided with a guide groove (47), and the circular truncated cone sealing colloid (44) is located on the inner surface of the guide groove (47) and is movably connected with the rubber ring (45).
4. The natural gas pipeline plugging connection device according to claim 1, wherein: locking mechanism (6) are including stranding mechanism (61), stranding mechanism (61) front and back swing joint have separated time crown plate (62), separated time crown plate (62) keep away from one side of stranding mechanism (61) and seted up separated time hole (63), separated time crown plate (62) is run through at separated time crown plate (62) back and is extended to one side that separated time crown plate (62) is close to stranding mechanism (61).
5. The natural gas pipeline plugging connection device according to claim 4, wherein: the back of the wire distributing hole (63) is communicated with the wire twisting mechanism (61), the inner surface of the wire distributing ring plate (62) is movably connected with the fixed locking plate (7), and the inner surface of the wire twisting mechanism (61) is movably connected with the fixed locking plate (7).
6. The natural gas pipeline plugging and connecting device according to claim 5, wherein: the wire twisting mechanism (61) comprises a driving outer ring (611), a concave locking mechanism (612) is movably connected to the inner surface of the driving outer ring (611), an inner ring plate (613) is arranged on the outer surface of one side, away from the driving outer ring (611), of the concave locking mechanism (612), the concave locking mechanism (612) penetrates through the inner ring plate (613) and extends to the inner surface of the inner ring plate (613), a wire pulling column (614) is movably connected between the inner ring plate (613) and the driving outer ring (611) on the inner surface of the concave locking mechanism (612), and a wire pulling hole (615) is formed in the position, between the wire pulling columns (614), of the top of the concave locking mechanism (612).
7. The natural gas pipeline plugging and connecting device according to claim 6, wherein: the top and the bottom of the inner ring plate (613) are movably connected with the branching ring plate (62), the top of the wire pulling hole (615) is communicated with the branching hole (63), and the outer surface of the wire pulling column (614) is movably connected with the pulling rope (5).
8. The natural gas pipeline plugging connection device according to claim 7, wherein: concave type locking mechanical system (612) includes mounting panel (a1), mounting panel (a1) top swing joint has folding fagging (a2), folding fagging (a2) internal surface swing joint has V type cardboard (a7), V type cardboard (a7) internal surface swing joint has magnetism inflation ball (a3), magnetism inflation ball (a3) intermediate position swing joint has magnetic column (a4), one side swing joint that magnetism inflation ball (a3) is close to interior crown plate (613) has pressure boost gasbag (a5), one side swing joint that magnetism inflation ball (a3) was kept away from in pressure boost gasbag (a5) has protection panel (a 6).
9. The natural gas pipeline plugging and connecting device according to claim 1, wherein: the traction plate (2) penetrates through the matching pipe (1) and extends to the outer surface and the top of the matching pipe (1), the outer surface of the traction rope (5) is movably connected with the guide wheel (9), and the fixed locking plate (7) is located on the inner surface of the thread limiting groove (8) and is movably connected with the locking mechanism (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110448154.7A CN113175582B (en) | 2021-04-25 | 2021-04-25 | Natural gas line shutoff connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110448154.7A CN113175582B (en) | 2021-04-25 | 2021-04-25 | Natural gas line shutoff connecting device |
Publications (2)
| Publication Number | Publication Date |
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| CN113175582A CN113175582A (en) | 2021-07-27 |
| CN113175582B true CN113175582B (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110448154.7A Active CN113175582B (en) | 2021-04-25 | 2021-04-25 | Natural gas line shutoff connecting device |
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| CN (1) | CN113175582B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB830422A (en) * | 1957-02-06 | 1960-03-16 | Flight Refueling Ltd | Improvements in or relating to plugs or closures |
| EP2327919A2 (en) * | 2009-11-30 | 2011-06-01 | STATS (UK) Limited | Pipe end sealing tool |
| CN110307436A (en) * | 2019-07-11 | 2019-10-08 | 周纯 | A kind of PVC pipeline tail portion end-sealing device |
| CN110726032A (en) * | 2019-09-24 | 2020-01-24 | 中国电子系统工程第二建设有限公司 | Pipeline plugging device |
| CN212131715U (en) * | 2019-09-11 | 2020-12-11 | 汝州新奥燃气有限公司 | Multipurpose plugging for gas pipeline construction |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180335163A1 (en) * | 2017-05-18 | 2018-11-22 | David Stadler | High Security Flush Plug Assembly |
-
2021
- 2021-04-25 CN CN202110448154.7A patent/CN113175582B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB830422A (en) * | 1957-02-06 | 1960-03-16 | Flight Refueling Ltd | Improvements in or relating to plugs or closures |
| EP2327919A2 (en) * | 2009-11-30 | 2011-06-01 | STATS (UK) Limited | Pipe end sealing tool |
| CN110307436A (en) * | 2019-07-11 | 2019-10-08 | 周纯 | A kind of PVC pipeline tail portion end-sealing device |
| CN212131715U (en) * | 2019-09-11 | 2020-12-11 | 汝州新奥燃气有限公司 | Multipurpose plugging for gas pipeline construction |
| CN110726032A (en) * | 2019-09-24 | 2020-01-24 | 中国电子系统工程第二建设有限公司 | Pipeline plugging device |
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| CN113175582A (en) | 2021-07-27 |
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