CN217784582U - Interim end cap of natural gas line - Google Patents
Interim end cap of natural gas line Download PDFInfo
- Publication number
- CN217784582U CN217784582U CN202221291392.8U CN202221291392U CN217784582U CN 217784582 U CN217784582 U CN 217784582U CN 202221291392 U CN202221291392 U CN 202221291392U CN 217784582 U CN217784582 U CN 217784582U
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- China
- Prior art keywords
- plunger
- natural gas
- seal cover
- air
- gas line
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Abstract
The utility model relates to an interim end cap of natural gas line, including the plunger, the plunger is hollow design, the fixed seal cover that is provided with in top of plunger, the fixed connecting tube that is provided with in middle part of seal cover, and plunger and seal cover pass through connecting tube on-state, the fixed holding rod that is provided with in top center department of seal cover. The utility model discloses an it is inboard to insert natural gas line's tip with the plunger, the seal cover is established in natural gas line's the tip outside, then with air cock and inflation equipment intercommunication, inflation equipment passes through the air cock and inflates for seal cover and plunger, seal cover after aerifing and the tip that natural gas line was filled in the plunger inflation, sealing performance is better, when needing to go down the end cap, direct through air cock department with seal cover and plunger in gas emit can, this end cap is convenient for get put, and sealing performance is good, the practicality is good.
Description
Technical Field
The utility model relates to a pipeline end cap field, concretely relates to interim end cap of natural gas line.
Background
The natural gas pipeline is applicable to the pipeline of transmission natural gas, and natural gas pipeline need use interim end cap to plug up natural gas pipeline's port department when the maintenance. The prior art has the following defects: the existing natural gas pipeline is mainly plugged through a rubber plug or a wooden plug, the rubber plug or the wooden plug is not convenient to take out manually after plugging, and the sealing property is poor after plugging, so that natural gas leakage is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, a interim end cap of natural gas line is provided.
The utility model adopts the technical proposal that: the plunger is hollow, a sealing sleeve is fixedly arranged at the top of the plunger, a connecting pipe is fixedly arranged in the middle of the sealing sleeve, the plunger is in conductive connection with the sealing sleeve through the connecting pipe, a holding rod is fixedly arranged at the center of the top of the sealing sleeve, an air faucet is fixedly arranged at the top end of the holding rod, and the air faucet is in conductive connection with the sealing sleeve;
preferably, insert the plunger in natural gas line's tip inboard, the seal cover sleeve is established in natural gas line's tip outside, then with air cock and inflation equipment intercommunication, inflation equipment passes through the air cock and inflates for seal cover and plunger, the seal cover after aerifing and the tip that the natural gas line was filled in the plunger inflation, sealing performance is better, when the end cap needs to go down, directly through air cock department with seal cover and plunger in the gas discharge can, this end cap is convenient for get put, and sealing performance is good, the practicality is good.
Preferably, in order to facilitate the insertion of the plunger into the natural gas pipeline, the plunger is designed to be in a frustum shape, and the diameter of the plunger is gradually reduced from the closed part of the sealing sleeve to the opening.
Preferably, in order to facilitate the inflation of the gland, we optimize the structure of the gland as follows:
preferably, the outer side of the seal sleeve is provided with an outer wall, the inner side of the seal sleeve is provided with an inner wall, a cavity is arranged between the outer wall and the inner wall, and the plunger is in conduction connection with the cavity through a connecting pipe;
preferably, a conduit is fixedly arranged at the center of the interior of the holding rod, and the air tap is communicated and connected with the cavity through the conduit;
preferably, the gas nozzle transmits gas into the cavity through the guide pipe, the gas continuously rushes into the cavity to expand the sealing sleeve, and part of the gas enters the plunger through the connecting pipe to expand the plunger.
Preferably, in order to facilitate inflation and deflation of the air faucet, an air faucet plug is arranged at the top of the air faucet and is in threaded connection with the air faucet;
preferably, after the air tap is used for charging air, the air tap plug is screwed up to seal the air tap, and when the plunger needs to be taken out of the natural gas pipeline, the air tap plug is screwed down, so that the air is discharged from the air tap.
Preferably, in order to make the plunger have certain hardness, two supporting rods are fixedly arranged inside the plunger, and when the plunger is not inflated, the supporting rods support the plunger, so that the plunger can be conveniently inserted into a natural gas pipeline.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an it is inboard to insert natural gas line's tip with the plunger, the seal cover is established in natural gas line's the tip outside, then with air cock and inflation equipment intercommunication, inflation equipment passes through the air cock and inflates for seal cover and plunger, seal cover after aerifing and the tip that natural gas line was filled in the plunger inflation, sealing performance is better, when needing to go down the end cap, direct through air cock department with seal cover and plunger in gas emit can, this end cap is convenient for get put, and sealing performance is good, the practicality is good.
Drawings
Fig. 1 is a longitudinal sectional view of the present invention.
Fig. 2 is a usage state diagram of the present invention.
Illustration of the drawings:
1. a plunger; 2. sealing sleeves; 3. an outer wall; 4. an inner wall; 5. a cavity; 6. connecting pipes; 7. a strut; 8. a holding rod; 9. a conduit; 10. an air tap; 11. an air tap plug.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Examples
Referring to fig. 1, the temporary natural gas pipeline plug of the present embodiment includes a plunger 1, and is different from the prior art in that the plunger 1 is of a hollow design, a sealing sleeve 2 is fixedly disposed at the top of the plunger 1, a connecting pipe 6 is fixedly disposed in the middle of the sealing sleeve 2, the plunger 1 is in conduction connection with the sealing sleeve 2 through the connecting pipe 6, a holding rod 8 is fixedly disposed at the center of the top of the sealing sleeve 2, an air tap 10 is fixedly disposed at the top end of the holding rod 8, and the air tap 10 is in conduction connection with the sealing sleeve 2;
please refer to fig. 2, when in use, the plunger 1 is inserted into the inner side of the end of the natural gas pipeline, the sealing sleeve 2 is sleeved on the outer side of the end of the natural gas pipeline, then the air tap 10 is communicated with the inflating device, the inflating device inflates the sealing sleeve 2 and the plunger 1 through the air tap 10, the inflated sealing sleeve 2 and the plunger 1 expand to fill the end of the natural gas pipeline, the sealing performance is better, when the plug needs to be removed, the gas in the sealing sleeve 2 and the plunger 1 is directly discharged through the air tap 10, the plug is convenient to take and place, the sealing performance is good, and the practicability is good.
Further, in order to facilitate the insertion of the plunger 1 into a natural gas pipeline, the plunger 1 is designed to be in a frustum shape, and the diameter of the plunger 1 is gradually reduced from a closed position to an opening of the plunger 1 through a sealing sleeve 2.
Further, in order to facilitate the inflation of the sealing sleeve 2, we optimize the structure of the sealing sleeve 2 as follows:
an outer wall 3 is arranged on the outer side of the sealing sleeve 2, an inner wall 4 is arranged on the inner side of the sealing sleeve, a cavity 5 is formed between the outer wall 3 and the inner wall 4, and the plunger 1 is in conduction connection with the cavity 5 through a connecting pipe 6;
a conduit 9 is fixedly arranged at the center of the interior of the holding rod 8, and an air nozzle 10 is communicated with the cavity 5 through the conduit 9;
when the air-inflating valve is used, the air nozzle 10 transmits air into the cavity 5 through the guide pipe 9, the air is continuously flushed into the cavity 5 to expand the sealing sleeve 2, and part of the air enters the plunger 1 through the connecting pipe 6 to expand the plunger 1.
Further, in order to facilitate inflation and deflation of the air nozzle 10, an air nozzle plug 11 is arranged at the top of the air nozzle 10, and the air nozzle plug 11 is in threaded connection with the air nozzle 10;
after the air tap 10 is used for charging air, the air tap plug 11 is screwed on to seal the air tap 10, and when the plunger 1 needs to be taken out of the natural gas pipeline, the air tap plug 11 is screwed off, and the air is discharged from the air tap 10.
Furthermore, in order to enable the plunger 1 to have certain hardness, two supporting rods 7 are fixedly arranged inside the plunger 1, and when the plunger 1 is not inflated, the supporting rods 7 support the plunger 1, so that the plunger 1 can be conveniently inserted into a natural gas pipeline.
It is noted that, in this document, relational terms such as first and second, and the like, if any, 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 defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. The utility model provides a temporary end cap of natural gas line which characterized in that: including plunger (1), plunger (1) is hollow design, the fixed seal cover (2) that is provided with in top of plunger (1), the fixed connecting tube (6) that is provided with in middle part of seal cover (2), and plunger (1) and seal cover (2) through connecting tube (6) turn-on connection, the fixed holding rod (8) that is provided with in top center department of seal cover (2), the fixed air cock (10) that is provided with in top of holding rod (8), and air cock (10) and seal cover (2) turn-on connection.
2. The natural gas pipeline temporary plug of claim 1, wherein: the plunger (1) is designed to be frustum-shaped, and the diameter of the plunger (1) from a closed position to an opening of the plunger with the sealing sleeve (2) is gradually reduced.
3. The natural gas pipeline temporary plug of claim 2, wherein: the outer side of the sealing sleeve (2) is provided with an outer wall (3), the inner side of the sealing sleeve is provided with an inner wall (4), a cavity (5) is formed between the outer wall (3) and the inner wall (4), and the plunger (1) is in conduction connection with the cavity (5) through a connecting pipe (6).
4. A natural gas pipeline temporary plug as claimed in claim 3, wherein: the top of the air nozzle (10) is provided with an air nozzle plug (11), and the air nozzle plug (11) is in threaded connection with the air nozzle (10).
5. The natural gas pipeline temporary plug of claim 4, wherein: the plunger (1) is further fixedly provided with two support rods (7) inside, and the number of the support rods (7) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221291392.8U CN217784582U (en) | 2022-05-27 | 2022-05-27 | Interim end cap of natural gas line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221291392.8U CN217784582U (en) | 2022-05-27 | 2022-05-27 | Interim end cap of natural gas line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217784582U true CN217784582U (en) | 2022-11-11 |
Family
ID=83911345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221291392.8U Active CN217784582U (en) | 2022-05-27 | 2022-05-27 | Interim end cap of natural gas line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217784582U (en) |
-
2022
- 2022-05-27 CN CN202221291392.8U patent/CN217784582U/en active Active
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