CN213299162U - Pipeline connection structure for gas - Google Patents
Pipeline connection structure for gas Download PDFInfo
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- CN213299162U CN213299162U CN202021498400.7U CN202021498400U CN213299162U CN 213299162 U CN213299162 U CN 213299162U CN 202021498400 U CN202021498400 U CN 202021498400U CN 213299162 U CN213299162 U CN 213299162U
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- pipeline
- ring
- protective cover
- sealing
- connection structure
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Abstract
The utility model discloses a pipeline connection structure for gas, including first pipeline, second pipeline, first ring flange, second ring flange, bolt, nut, protection casing, internal thread, external screw thread, first ring, first sealing washer, second sealing washer, barometer, second ring and seal ring. The utility model has reasonable structure, improves the existing flange connection, adds the protective cover to provide the protection of the joint, and simultaneously provides sealing by compressing the sealing washer, the first sealing ring and the second sealing ring after the protective cover is installed, thereby having better sealing performance and improving the sealing performance of the pipeline joint; on the basis of increasing the leakproofness, set up the raw material belting layer in first pipeline and protection casing threaded connection department, further improved the leakproofness, add the barometer simultaneously on the protection casing, can be used to the detection of inside atmospheric pressure to can carry out the judgement of gas leakage condition, provide convenient for the use.
Description
Technical Field
The utility model relates to a pipeline connection structure specifically is a pipeline connection structure for gas belongs to gas pipe connection application technical field.
Background
The fuel gas is a general term of gas fuel, and can be combusted to release heat for residents and industrial enterprises; the gas is various, and mainly comprises natural gas, artificial gas, liquefied petroleum gas, methane and coal gas; when the fuel gas is conveyed, a pipeline is needed.
When the existing gas pipeline is connected, the existing gas pipeline is generally connected through threads and flanges; the connection mode is single, the leakproofness may be not enough, after some connections are damaged, leakage may be caused, and other auxiliary sealing structures are lacked. Therefore, a gas pipe connection structure is proposed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pipeline connection structure for gas just in order to solve above-mentioned problem.
The utility model realizes the purpose by the following technical proposal, a pipeline connecting structure for gas, which comprises a first pipeline and a second pipeline, wherein the port of the first pipeline and the port of the second pipeline are connected by a flange connecting structure;
the surface of the first pipeline is fixedly sleeved with a second ring, the surface of the second pipeline is fixedly sleeved with the first ring, the surface of the first pipeline is in threaded connection with a protective cover, a raw material belt layer is filled at the threaded connection part of the first pipeline and the protective cover, a first sealing ring and a second sealing ring are installed on one side of the protective cover, an annular groove is formed in the surface of one side of the first ring, the first sealing ring and the second sealing ring are in embedded connection with the annular groove, a sealing gasket is fixedly bonded on the surface of the second ring, and the sealing gasket is in tight contact with the inner wall of the protective cover; and the protective cover is fixedly provided with a barometer.
Preferably, the flange connection structure includes first ring flange and second ring flange, fixed welding is held with first pipeline port department to first ring flange, fixed welding is held with second pipeline port department to the second ring flange, through bolt and nut fixed connection between first ring flange and the second ring flange.
Preferably, the first sealing ring and the second sealing ring are fixedly bonded with one side of the protective cover.
Preferably, the inner wall of the protective cover and the outer pipe wall of the first pipeline are respectively provided with an internal thread and an external thread which are matched with each other.
Preferably, the inner ring of the second circular ring and the inner ring of the first circular ring are fixedly welded with the outer pipe wall of the first pipeline and the outer pipe wall of the second pipeline respectively.
Preferably, the surface of protection casing is provided with the inoxidizing coating, and the one end outer wall cross-section of protection casing is the hexagon structure.
The utility model has the advantages that:
1. the pipeline connecting structure is improved on the existing flange connection, the protective cover is additionally arranged to provide protection for the joint, and after the protective cover is installed, the sealing washer, the first sealing ring and the second sealing ring are pressed to provide sealing, so that the pipeline connecting structure has good sealing performance, and the sealing performance of the joint of the pipeline is improved;
2. this kind of pipeline connection structure has set up the raw belt layer in first pipeline and protection casing threaded connection department on the basis of increasing the leakproofness, has further improved the leakproofness, has add the barometer simultaneously on the protection casing, can be used to the detection of inside atmospheric pressure to can carry out the judgement of the gas leakage condition, provide convenient for the use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the protective cover, the first sealing ring and the second sealing ring of the present invention;
FIG. 3 is a schematic side view of the protective cover of the present invention;
fig. 4 is a schematic structural view of the second ring and the sealing washer of the present invention.
In the figure: 1. the sealing device comprises a first pipeline, 2, a second pipeline, 3, a first flange plate, 4, a second flange plate, 5, a bolt, 6, a nut, 7, a protective cover, 8, an internal thread, 9, an external thread, 10, a first ring, 11, a first sealing ring, 12, a second sealing ring, 13, a gas pressure gauge, 14, a second ring, 15 and a sealing gasket.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. 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.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-4, a gas pipeline connecting structure includes a first pipeline 1 and a second pipeline 2, where a port of the first pipeline 1 and a port of the second pipeline 2 are connected by a flange connecting structure, so as to provide a basic connection between the first pipeline 1 and the second pipeline 2, and form a flange connection therebetween;
the surface of the first pipeline 1 is fixedly sleeved with a second ring 14, the surface of the second pipeline 2 is fixedly sleeved with a first ring 10, the surface of the first pipeline 1 is in threaded connection with a protective cover 7, a raw material belt layer is filled at the threaded connection part of the first pipeline 1 and the protective cover 7 and is formed by winding a raw material belt and used for filling a gap at the threaded connection part and improving the tightness, a first sealing ring 11 and a second sealing ring 12 are installed on one side of the protective cover 7, the connection part is sealed by clamping the first sealing ring 11 and the second sealing ring 12, the tightness of the connection is improved, a ring groove is formed in the surface of one side of the first ring 10 and is used for embedding the first sealing ring 11 and the second sealing ring 12, the two ring grooves correspond to the first sealing ring 11 and the second sealing ring 12 respectively, and the first sealing ring 11 and the second sealing ring 12 are connected with the ring groove in an embedding manner, a sealing washer 15 is fixedly bonded on the surface of the second ring 14, the sealing washer 15 is tightly contacted with the inner wall of the protective cover 7, the sealing performance of a joint is improved by clamping the sealing washer 15, and the sealing is provided for one end of the protective cover 7 by matching with a raw material belt layer; and an air pressure meter 13 is fixedly arranged on the protective cover 7, and the air pressure meter 13 is used for measuring air pressure so as to judge the air leakage condition.
The flange connecting structure comprises a first flange plate 3 and a second flange plate 4, the first flange plate 3 is fixedly welded with a port of a first pipeline 1, the second flange plate 4 is fixedly welded with a port of a second pipeline 2, the first flange plate 3 is fixedly connected with the second flange plate 4 through a bolt 5 and a nut 6, when the first flange plate 3 is connected with the second flange plate 4, a rubber ring needs to be arranged to provide sealing, and the first flange plate 3 and the second flange plate 4 are clamped through the connection of the bolt 5 and the nut 6; the first sealing ring 11 and the second sealing ring 12 are fixedly bonded with one side of the protective cover 7, so that the first sealing ring 11 and the second sealing ring 12 are fixedly connected with the protective cover 7; the inner wall of the protective cover 7 and the outer pipe wall of the first pipeline 1 are respectively provided with an internal thread 8 and an external thread 9 which are matched with each other, so that the threaded connection between the protective cover 7 and the first pipeline 1 is realized; the inner ring of the second ring 14 and the inner ring of the first ring 10 are fixedly welded with the outer pipe wall of the first pipeline 1 and the outer pipe wall of the second pipeline 2 respectively, and seamless welding is adopted to avoid gaps at the joint; the surface of protection casing 7 is provided with the inoxidizing coating, and the one end outer wall cross-section of protection casing 7 is the hexagon structure, and the inoxidizing coating can adopt the chromium plating to realize, plays the effect of protection, through the hexagon design, is convenient for carry out twisting of protection casing 7 through instruments such as spanner.
When the utility model is used, when the first pipeline 1 is connected with the second pipeline 2, the first pipeline is connected with the second pipeline through the first flange 3 and the second flange 4, and the bolt 5 and the nut 6 are installed to realize installation; the raw adhesive tape is wound on the external thread 9, then the protective cover 7 is rotated, the protective cover 7 is connected through the action between the internal thread 8 and the external thread 9, when the protective cover 7 rotates, the inner wall of the protective cover 7 presses the sealing washer 15, and the protective cover 7 and the first ring 10 clamp the first sealing washer 11 and the second sealing washer 12, so that sealing is realized, protection is realized, and the connection tightness is improved;
through first sealing washer 11, second sealing washer 12, seal ring 15 and raw material belting layer, provide the sealed at 7 both ends of protection casing to for flange joint structure department provides protection and sealed, improved overall structure's seal nature, can be used to the detection of inside atmospheric pressure through barometer 13, thereby can carry out the judgement of the gas leakage condition, it is convenient to provide for the use.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
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 (6)
1. The utility model provides a pipeline connection structure for gas which characterized in that: the pipeline connecting device comprises a first pipeline (1) and a second pipeline (2), wherein a port of the first pipeline (1) and a port of the second pipeline (2) are connected through flange connecting structures;
a second ring (14) is fixedly sleeved on the surface of the first pipeline (1), a first ring (10) is fixedly sleeved on the surface of the second pipeline (2), a protective cover (7) is connected to the surface of the first pipeline (1) in a threaded manner, a raw material belt layer is filled at the threaded connection position of the first pipeline (1) and the protective cover (7), a first sealing ring (11) and a second sealing ring (12) are installed on one side of the protective cover (7), an annular groove is formed in the surface of one side of the first ring (10), the first sealing ring (11) and the second sealing ring (12) are connected with the annular groove in an embedded manner, a sealing gasket (15) is fixedly bonded on the surface of the second ring (14), and the sealing gasket (15) is tightly contacted with the inner wall of the protective cover (7); and a barometer (13) is fixedly mounted on the protective cover (7).
2. The gas pipe connection structure according to claim 1, wherein: the flange connection structure comprises a first flange plate (3) and a second flange plate (4), the first flange plate (3) is fixedly welded to the port of the first pipeline (1), the second flange plate (4) is fixedly welded to the port of the second pipeline (2), and the first flange plate (3) is fixedly connected with the second flange plate (4) through bolts (5) and nuts (6).
3. The gas pipe connection structure according to claim 1, wherein: and the first sealing ring (11) and the second sealing ring (12) are fixedly bonded with one side of the protective cover (7).
4. The gas pipe connection structure according to claim 1, wherein: the inner wall of the protective cover (7) and the outer pipe wall of the first pipeline (1) are respectively provided with an internal thread (8) and an external thread (9) which are matched with each other.
5. The gas pipe connection structure according to claim 1, wherein: the inner ring of the second circular ring (14) and the inner ring of the first circular ring (10) are fixedly welded with the outer pipe wall of the first pipeline (1) and the outer pipe wall of the second pipeline (2) respectively.
6. The gas pipe connection structure according to claim 1, wherein: the surface of the protective cover (7) is provided with a protective layer, and the cross section of the outer wall of one end of the protective cover (7) is of a hexagonal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021498400.7U CN213299162U (en) | 2020-07-25 | 2020-07-25 | Pipeline connection structure for gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021498400.7U CN213299162U (en) | 2020-07-25 | 2020-07-25 | Pipeline connection structure for gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213299162U true CN213299162U (en) | 2021-05-28 |
Family
ID=76023454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021498400.7U Active CN213299162U (en) | 2020-07-25 | 2020-07-25 | Pipeline connection structure for gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213299162U (en) |
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2020
- 2020-07-25 CN CN202021498400.7U patent/CN213299162U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220526 Address after: 311400 Xinguan village, Dayuan Town, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Zhenda Metal Technology Co.,Ltd. Address before: No.133, group 10, dada village, Yusi Town, Luxian County, Luzhou City, Sichuan Province, 646107 Patentee before: Dong Pingyu |
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| TR01 | Transfer of patent right |