CN211289093U - Pipeline connecting device for natural gas pipeline valve - Google Patents
Pipeline connecting device for natural gas pipeline valve Download PDFInfo
- Publication number
- CN211289093U CN211289093U CN202020039948.9U CN202020039948U CN211289093U CN 211289093 U CN211289093 U CN 211289093U CN 202020039948 U CN202020039948 U CN 202020039948U CN 211289093 U CN211289093 U CN 211289093U
- Authority
- CN
- China
- Prior art keywords
- natural gas
- pipe
- connecting pipe
- flange piece
- metal connecting
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a pipeline connecting device for a natural gas pipeline valve, which comprises a valve main body, wherein a first flange piece is fixedly welded at the two ends of the valve main body, a second flange piece is connected at one side of the first flange piece through a screw, a metal connecting pipe is fixedly welded at one side of the second flange piece, two groups of ring grooves are symmetrically arranged on the metal connecting pipe, a welding flux is arranged in the inner cavity of the ring groove, a natural gas pipeline is alternately arranged at the two ends of the metal connecting pipe, the welding flux is heated and melted by a welding gun through arranging the welding flux in the inner cavity of the ring groove, the melted welding flux can carry out secondary fixation and sealing between the natural gas pipeline and the metal connecting pipe, the connection firmness and the sealing property can be effectively improved, the valve main body is connected with the metal connecting pipe through the first flange piece and the second flange piece, the maintenance and the replacement are convenient.
Description
Technical Field
The utility model relates to a pipeline connecting device for natural gas line valve belongs to pipeline connecting device technical field.
Background
The natural gas refers to all natural gases in the nature, including gases formed in various natural processes in an air space, a water space and a rock space, including oil field gas, gas field gas, mud volcanic gas, coal bed gas, biogenetic gas and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem and overcome the existing defects, the utility model provides a pipeline connecting device for a natural gas pipeline valve, which has good connection sealing performance and convenient installation, the natural gas pipeline to be connected is inserted into the inner cavity of a metal connecting pipe, the connecting sleeve and the metal connecting pipe are fixedly connected through internal threads and external threads, the natural gas pipeline can be fixedly and hermetically connected at the end part of the metal connecting pipe, the natural gas pipeline can be sealed for one time, the natural gas pipeline can be fixedly connected by extruding a special clamping and pressing tool to an annular groove, the time and the cost of the fixed connection can be saved, the welding flux is heated and melted by a welding gun through arranging the welding flux in the inner cavity of the annular groove, the melted welding flux can be secondarily fixed and sealed between the natural gas pipeline and the metal connecting pipe, the connection firmness and the sealing performance can, the valve main body and the metal connecting pipe are connected through the first flange piece and the second flange piece, so that the valve main body and the metal connecting pipe are convenient to disassemble and assemble, the valve main body and the metal connecting pipe are convenient to maintain and replace, and the problem in the background art can be effectively solved.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a pipeline connecting device for natural gas line valve, includes the valve main part, the fixed welding in valve main part both ends has first flange piece, there is the second flange piece first flange piece one side through screwed connection, the fixed welding in second flange piece one side has metal connecting pipe, the symmetry is equipped with two sets of ring channels on the metal connecting pipe, the ring channel inner chamber is equipped with the solder, the metal connecting pipe both ends interlude is equipped with natural gas line, natural gas line one end outside cover is equipped with the adapter sleeve, the fixed ring seal board that is equipped with of one end that natural gas line wore to locate the metal connecting pipe inner chamber.
Further, a rubber sealing ring is arranged between the first flange piece and the second flange piece.
Furthermore, the outer side of the connecting sleeve is circumferentially and equidistantly fixedly provided with anti-skid projections.
Further, an external thread is arranged on the outer side of the end part of the metal connecting pipe.
Furthermore, internal threads are fixedly arranged in the inner cavity of the connecting sleeve at equal intervals in the circumferential direction.
Further, a rubber gasket is fixedly arranged on one side of the annular sealing plate.
The utility model discloses beneficial effect: the utility model relates to a pipeline connecting device for natural gas pipeline valve, the connection leakproofness is good, the installation is convenient, the natural gas pipeline to be connected is inserted in the inner cavity of the metal connecting pipe, the connecting sleeve and the metal connecting pipe are fixedly connected through the internal thread and the external thread, the natural gas pipeline can be fixedly and hermetically connected at the end part of the metal connecting pipe, the natural gas pipeline can be sealed for one time, the natural gas pipeline can be fixedly connected by extruding the ring channel by using a special clamping and pressing tool, the time and the cost of the fixed connection can be saved, the welding flux is arranged in the inner cavity of the ring channel, the welding flux is heated and melted by using a welding gun, the melted welding flux can be used for fixing and sealing the natural gas pipeline and the metal connecting pipe for two times, the connection firmness and the sealing performance can be effectively improved, the valve main body is connected with the metal connecting pipe, the valve body and the metal connecting pipe are convenient to disassemble and assemble, and the valve is convenient to maintain and replace.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a front view of the pipe connection device for a natural gas pipe valve of the present invention.
Fig. 2 is the utility model discloses a pipeline connecting device's for natural gas line valve adapter sleeve cross-sectional view.
Fig. 3 is a natural gas pipeline structure diagram of the pipeline connecting device for the natural gas pipeline valve of the present invention.
Fig. 4 is a sectional view of a metal connecting pipe of the pipe connecting device for a natural gas pipe valve of the present invention.
Reference numbers in the figures: 1. a valve body; 2. a first flange piece; 3. a second flange piece; 4. a metal connecting pipe; 5. an annular groove; 6. welding flux; 7. connecting sleeves; 8. a natural gas pipeline; 9. an annular seal plate; 10. a rubber seal ring; 11. anti-skid projections; 12. an external thread; 13. an internal thread; 14. a rubber gasket.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The first embodiment is as follows:
as shown in fig. 1-4, a pipeline connecting device for a natural gas pipeline valve comprises a valve body 1, wherein first flange pieces 2 are fixedly welded at two ends of the valve body 1, one side of each first flange piece 2 is connected with a second flange piece 3 through a screw, a metal connecting pipe 4 is fixedly welded at one side of each second flange piece 3, the valve body 1 and the metal connecting pipe 4 are connected through the first flange pieces 2 and the second flange pieces 3, the valve body 1 and the metal connecting pipe 4 are convenient to disassemble and assemble, the maintenance and replacement are convenient, two groups of annular grooves 5 are symmetrically arranged on the metal connecting pipe 4, welding fluxes 6 are arranged in inner cavities of the annular grooves 5, the natural gas pipeline 8 can be fixedly connected by extruding the annular grooves 5 through a special clamping and pressing tool, the time and the cost of the fixed connection can be saved, and the welding fluxes 6 are arranged in the inner cavities of the annular grooves 5, use welder to heat to the solder 6 and melt, solder 6 after melting can carry out the secondary between natural gas line 8 and the metal connecting pipe 4 and fix and seal, can effectively improve firm in connection degree and leakproofness, the interlude is equipped with natural gas line 8 at 4 both ends of metal connecting pipe, 8 one end outside covers of natural gas line are equipped with adapter sleeve 7, natural gas line 8 wears to locate the fixed annular seal board 9 that is equipped with of one end of 4 inner chambers of metal connecting pipe, sets up annular seal board 9 and can seal up natural gas line 8 spacing, makes things convenient for sealed fixed connection between natural gas line 8 and the metal connecting pipe 4.
In this embodiment, be equipped with rubber seal 10 between first flange piece 2 and the second flange piece 3, 7 outside circumference equidistance of adapter sleeve are fixed and are equipped with non-slip raised 11, set up non-slip raised 11 and make things convenient for rotatory adapter sleeve 7, the 4 tip outsides of metal connecting pipe are equipped with external screw thread 12, 7 inner chamber circumference equidistance of adapter sleeve are fixed and are equipped with internal thread 13, through internal thread 13 and external screw thread 12 fixed connection between adapter sleeve 7 and the metal connecting pipe 4, can be to 8 fixed sealing connection of natural gas line at 4 tip of metal connecting pipe, can seal fixedly to natural gas line 8.
Example two:
as shown in fig. 3, a rubber gasket 14 is fixedly provided on one side of the annular sealing plate 9, and the rubber gasket 14 can improve the connection sealing property between the natural gas pipeline 8 and the metal connecting pipe 4.
The utility model discloses the theory of operation: the valve main body 1 is connected with the metal connecting pipe 4 through the first flange piece 2 and the second flange piece 3, so that the valve main body 1 and the metal connecting pipe 4 can be conveniently detached and installed, the maintenance and the replacement are convenient, the connecting sleeve 7 and the metal connecting pipe 4 are fixedly connected with the external thread 12 through the internal thread 13, the natural gas pipeline 8 can be fixedly and hermetically connected with the end part of the metal connecting pipe 4, the natural gas pipeline 8 can be sealed and fixed for one time, the natural gas pipeline 8 can be fixedly connected by extruding the annular groove 5 by using a special clamping and pressing tool, fixed connection's time and cost can be practiced thrift, through set up solder 6 at 5 inner chambers of ring channel, use welder to heat to melt solder 6, solder 6 after melting can carry out the secondary to between natural gas line 8 and the metal connecting pipe 4 fixed with sealed, can effectively improve firm in connection degree and leakproofness.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a natural gas line is pipe connection device for valve, includes valve main part (1), its characterized in that: valve main part (1) both ends fixed welding has first flange piece (2), there are second flange piece (3) first flange piece (2) one side through screwed connection, the fixed welding in second flange piece (3) one side has connecting pipe (4), the symmetry is equipped with two sets of ring channels (5) on connecting pipe (4), ring channel (5) inner chamber is equipped with solder (6), the interlude is equipped with natural gas pipeline (8) in connecting pipe (4) both ends, natural gas pipeline (8) one end outside cover is equipped with adapter sleeve (7), natural gas pipeline (8) are worn to locate the fixed ring seal board (9) that is equipped with of one end of connecting pipe (4) inner chamber.
2. The pipe connecting device for a natural gas pipe valve according to claim 1, wherein: and a rubber sealing ring (10) is arranged between the first flange sheet (2) and the second flange sheet (3).
3. The pipe connecting device for a natural gas pipe valve according to claim 1, wherein: the connecting sleeve (7) is fixedly provided with anti-skid projections (11) at equal intervals in the circumferential direction on the outer side.
4. The pipe connecting device for a natural gas pipe valve according to claim 1, wherein: and the outer side of the end part of the metal connecting pipe (4) is provided with an external thread (12).
5. The pipe connecting device for a natural gas pipe valve according to claim 1, wherein: the inner cavity of the connecting sleeve (7) is circumferentially and equidistantly fixedly provided with internal threads (13).
6. The pipe connecting device for a natural gas pipe valve according to claim 1, wherein: and a rubber gasket (14) is fixedly arranged on one side of the annular sealing plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020039948.9U CN211289093U (en) | 2020-01-09 | 2020-01-09 | Pipeline connecting device for natural gas pipeline valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020039948.9U CN211289093U (en) | 2020-01-09 | 2020-01-09 | Pipeline connecting device for natural gas pipeline valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211289093U true CN211289093U (en) | 2020-08-18 |
Family
ID=72028959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020039948.9U Expired - Fee Related CN211289093U (en) | 2020-01-09 | 2020-01-09 | Pipeline connecting device for natural gas pipeline valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211289093U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111955381A (en) * | 2020-09-01 | 2020-11-20 | 无为小熊生态农业科技有限公司 | Cooling device for local chicken breeding |
| CN112413250A (en) * | 2020-10-17 | 2021-02-26 | 江苏优适捷实业有限公司 | Pipeline connecting structure |
-
2020
- 2020-01-09 CN CN202020039948.9U patent/CN211289093U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111955381A (en) * | 2020-09-01 | 2020-11-20 | 无为小熊生态农业科技有限公司 | Cooling device for local chicken breeding |
| CN112413250A (en) * | 2020-10-17 | 2021-02-26 | 江苏优适捷实业有限公司 | Pipeline connecting structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211289093U (en) | Pipeline connecting device for natural gas pipeline valve | |
| CN212178250U (en) | Quick repairing device for annular welding seam of heat distribution pipeline | |
| CN204852438U (en) | Full welded ball valve of gas | |
| CN216976191U (en) | Electric melting flange | |
| CN103672256A (en) | Quick coupling for connecting oil tubes of oil filter | |
| CN105135099A (en) | Double-sealing clamping-ring-bearing water pipe quick swing joint | |
| CN105114752A (en) | Rapid movable joint for water pipes | |
| CN202674559U (en) | Seal connecting structure of electrothermal tubes and cover plate components | |
| CN210106650U (en) | Prevent leaking hard seal ball valve for high temperature convenient to installation | |
| CN203948821U (en) | A kind of good sealing effect, prefabricated direct-buried thermal insulation pipe easy to connect | |
| CN106975184A (en) | A kind of flame arrester for pipe | |
| CN210920448U (en) | Chemical pipeline safety cover | |
| CN211083157U (en) | Quick connector for GR pipeline | |
| CN210517741U (en) | Dismantled and assembled MPP pipe | |
| CN102434989B (en) | Grooved light-gathering solar through heat collecting vacuum pipe connector | |
| CN206246874U (en) | Gas generator air inlet attachment structure | |
| CN211667325U (en) | Novel oil cylinder and oil pipe connecting assembly | |
| CN215847857U (en) | Compound sealing ring sectional fixture | |
| CN212868829U (en) | Electric smelting pipeline valve with dustproof construction subassembly | |
| CN220581916U (en) | Pipeline protective sleeve | |
| CN204098963U (en) | A kind of Split type flexible seal arrangement | |
| CN214839138U (en) | Connecting device for pipeline | |
| CN112682574B (en) | Gas pipeline joint suspension locking device used in foundation pit construction | |
| CN204848926U (en) | Converter sublance adapter sleeve | |
| CN218439250U (en) | Heat-insulating corrosion-resistant silicon carbide coating oil pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 Termination date: 20220109 |