CN105402520A - Pipeline joint for high-pressure fluid pipeline - Google Patents
Pipeline joint for high-pressure fluid pipeline Download PDFInfo
- Publication number
- CN105402520A CN105402520A CN201510907932.9A CN201510907932A CN105402520A CN 105402520 A CN105402520 A CN 105402520A CN 201510907932 A CN201510907932 A CN 201510907932A CN 105402520 A CN105402520 A CN 105402520A
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- CN
- China
- Prior art keywords
- elastic sealing
- built
- attachment post
- pipeline
- pressure fluid
- 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.)
- Pending
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Classifications
-
- 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
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints With Pressure Members (AREA)
Abstract
The invention belongs to the field of pipeline joints and relates to a pipeline joint for a high-pressure fluid pipeline. The pipeline joint comprises an internal pipeline connector, an internal elastic sealing part, an external elastic sealing part and a fixing sleeve. The internal pipeline connector comprises a lining; outward flanges are disposed at the two ends of the lining, and more than two connecting columns which extend outwards are uniformly disposed on the central circumference surface of the lining; the internal elastic sealing part is installed on the outer surface of the lining and provided with through holes allowing the connecting columns to pass through; the external elastic sealing part is correspondingly disposed on the outer surface of the internal elastic sealing part; the fixing sleeve is disposed on the outer surface of the external elastic sealing part. An assembly mode is adopted so that the pipeline joint can stably exist when the connecting position of the high-pressure pipeline bears pressure and the circulation stability of the high-pressure pipeline can be guaranteed.
Description
Technical field
the invention belongs to pipe coupling field, be specifically related to a kind of pipe coupling for high-pressure fluid pipes.
Background technique
pipe coupling is the fastening means between pipeline and pipeline, is can the tie point of dismounting between element and pipeline.Act as indispensable key player in the tube, it is one of two main composition parts of pipeline.
pipe coupling is used for instrument isoline and connects, and Connecting format has SOCKET WELDING or is threaded.Be mainly used in small-bore pipeline, for needing the use of the position of often mounting or dismounting or the final adjustment as use threaded fitting pipeline.Related product is fast easily excellent all includes, and structural type should adopt metal covering to contact sealing configuration, and the structural type of gasket seal is generally used for, on the general pipelines such as conveying water, oil, air, adopting the manufacture of malleable cast iron material.
in addition, the factor considered when usage requirement and price etc. are also and select.
as Chinese patent CN204677930U " pipe coupling of sealed type socket joint ", comprise connection-peg and accept head, one end of described connection-peg is wrapped in outside one end of described undertaking head, described connection-peg comprises outside thread, sealed groove and annular lock groove, described outside thread, described sealed groove and described annular lock groove are located on described connection-peg outer surface, described undertaking head comprises internal thread, seal ring and oblique through hole, described internal thread and described seal ring are located on described undertaking head internal surface, and described oblique through hole runs through described undertaking head tube wall.
and for example Chinese patent CN204543756U " a kind of water supply line joint " comprises the joint body with inner volume, be arranged on the water inlet interface on described joint body, be arranged on the water outlet mouthpiece be connected on described joint body and with the inner volume of described joint body, described water supply line joint also comprises and being arranged in described joint body and the drainage tube be connected with described water inlet interface, be set in the waterexit end of described drainage tube slidably and the filter that the contaminant filter in the water flowed out from described drainage tube can be fallen, for the drive unit that the drainage tube driving described filter relatively described slides.
with Chinese patent 102667294A " pipe coupling ": described pipe coupling comprises: body, pipe (can be inserted in described body; Chuck, described chuck is arranged on the inside of described body, and remains in described body by engaging with the outer surface of described pipe by described pipe; Guiding elements, described guiding elements guides described chuck along axial direction, and described guiding elements is formed by being shaped to the pressing of thin-plate element material; Packing ring, described packing ring is arranged on the inside of described body, for maintaining the fluid tight relation between described body and described pipe; And release component, when described pipe takes out from described body, described release component is used for discharging described chuck from described pipe; Described packing ring comprises further: circular main body portion; And sealing component, described sealing component is given prominence to relative to described main body in a radially inward direction, and described sealing component is against the described outer surface of described pipe; Wherein, described sealing component is set to be less than the width dimensions of described main body along the width dimensions of the described axial direction of described body; Described chuck has locking component bending in a radially outward direction; The top of described guiding elements forms fore-end, described fore-end is bent to form backward towards the rear end part of described guiding elements, an end radially outward of described fore-end bends, and in groove in being inserted into the inner peripheral surface being formed in described body; Described chuck is positioned on the inner circumferential side of described fore-end of described guiding elements further, and described locking component can against the other end of described fore-end; And when described locking component is against described the other end of described fore-end, described chuck not with described washer contacts.
but current pipe coupling is all the connections for the pipeline under normal pressure, for the jointing of high pressure pipe line, when pipe coupling is installed to connection main body, sealing component is subject to the pressing of circulation deferent, thus sealing component is deformed and displacement, jointing place is relaxed, causes decompression gas leakage.
Summary of the invention
for solving the problems of the technologies described above, the invention provides a kind of high pressure pipe line joint, it adopts the form of assembly parts to make the joint of high pressure pipe line when being under pressure, pipe coupling energy stable existence, ensures the stability of the circulation of high pressure pipe line.
for realizing above-mentioned technical purpose, the concrete technological scheme that the present invention takes is:
for a pipe coupling for high-pressure fluid pipes, comprise built in pipeline connecting body, built-in elastic Sealing, external elastic Sealing and fixed cover; Described built in pipeline connecting body comprises the liner matched with high pressure pipe line; Described liner is provided with outside flange at two end part, and the center circle side face of simultaneously liner has been evenly arranged plural outward extending attachment post; Described attachment post is provided with screw thread in end; Described built-in elastic Sealing is installed on the outer surface of liner, and built-in elastic Sealing is provided with the through hole passed through for attachment post simultaneously, and the flange of liner and attachment post carry out axially locating to built-in elastomer seal simultaneously; External elastic Sealing correspondence is arranged in the outer surface of built-in elastic Sealing, and is provided with the through hole passed through for attachment post, and attachment post carries out axially locating to it; Fixed cover is arranged in the outer surface of external elastic Sealing, and is provided with the through hole passed through for attachment post, and attachment post realizes the axially locating to fixed cover, and the end of attachment post is provided with set screw nut simultaneously.
as preferred technological scheme of the present invention, described built-in elastic Sealing is preserving and sealing part.
as preferred technological scheme of the present invention, described external elastic Sealing is preserving and sealing part.
as preferred technological scheme of the present invention, the surface of described built in pipeline connecting body scribbles corrosion-inhibiting coating.
as preferred technological scheme of the present invention, attachment post is also provided with gasket seal between fixed cover and nut.
beneficial effect of the present invention
be fixed together by the attachment post on built in pipeline connecting body and Sealing and fixed cover, realize the clamping to two high pressure pipe line faces, improve built in pipeline connecting body, frictional force between Sealing and two high pressure pipe lines and pressure; When high pressure pipe line works, the pipe coupling of two high pressure pipe line joints is when being subject to high pressure, and high pressure energy is uniformly distributed on built in pipeline connecting body, avoids pipe coupling local pressure and is out of shape.
Accompanying drawing explanation
the assembling schematic diagram of a kind of pipe coupling for high-pressure fluid pipes in Fig. 1 embodiment;
in figure 1, built in pipeline connecting body; 2, built-in elastic Sealing; 3, external elastic Sealing; 4, fixed cover; 5, nut; 6, gasket seal.
Specific embodiments
in order to better explain technological scheme of the present invention, be described below in conjunction with accompanying drawing 1 and embodiment.
those skilled in the art of the present technique are appreciated that unless otherwise defined, and all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the application.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.The implication of the "and/or" described in the application refers to respective individualism or both simultaneous situations include interior.The indirect connection that can be the direct connection between parts also can be by other parts between parts of the implication of " connection " described in the application.With the above-mentioned desirable embodiment according to the application for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this application technological thought, can carry out various change and amendment completely.The technical scope of this application is not limited to the content on specification, must determine its technical scope according to right.
for a pipe coupling for high-pressure fluid pipes, comprise built in pipeline connecting body 1, built-in elastic Sealing 2, external elastic Sealing 3 and fixed cover 4; Described built in pipeline connecting body 1 comprises the liner matched with high pressure pipe line, and the center circle side face of liner has been evenly arranged plural outward extending attachment post, and attachment post is provided with screw thread in end; The size of built-in elastic Sealing 2 is less than the size of liner, is installed on the outer surface of liner, and is provided with the through hole passed through for attachment post, and attachment post carries out axially locating through through hole to built-in elastomer seal 2; External elastic Sealing 3 correspondence is arranged in built-in elastic Sealing 2 outer surface, and is provided with the through hole passed through for attachment post, and attachment post carries out axially locating through through hole to external elastomer seal 3; Fixed cover 4 is arranged in the outer surface of external elastic Sealing 3, and the size of fixed cover 4 is greater than the size of external elastic Sealing 3, and fixed cover 4 is also provided with the through hole passed through for attachment post, and attachment post carries out axially locating to it; In the end of attachment post, mounting nuts 5 is also installed, the adjustment coordinating the radial position realized fixed cover 4 of nut 5 and attachment post.
wherein, built-in elastic Sealing 2, for sealed high pressure fluid, is placed in built in pipeline connecting body 1 and can reduces the pressure of high-pressure liquid to Sealing, make built-in elastic Sealing 2 stable existence;
described external elastic Sealing 3 is installed on the outer surface of pipe coupling, and arranges the through hole passed through for attachment post in relevant position; Be mainly used in auxiliary built-in elastic Sealing 2 and improve sealability;
in order to improve the working life of pipe coupling, described built-in elastic Sealing 2 is preserving and sealing part, and described external elastic Sealing 3 is preserving and sealing part, and described built in pipeline connecting body 1 surface scribbles corrosion-inhibiting coating.
in order to improve the sealability of pipe coupling, between fixed cover 4 and nut-washer combination 5, be also provided with the gasket seal 6 matched with packing ring.
described preserving and sealing part is teflon seal.
should be understood that, above-mentioned embodiment of the present invention only for exemplary illustration or explain principle of the present invention, and is not construed as limiting the invention.Therefore, any amendment made when without departing from the spirit and scope of the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.In addition, claims of the present invention be intended to contain fall into claims scope and border or this scope and border equivalents in whole change and modification.
Claims (5)
1. for a pipe coupling for high-pressure fluid pipes, it is characterized in that, comprise built in pipeline connecting body, built-in elastic Sealing, external elastic Sealing and fixed cover; Described built in pipeline connecting body comprises the liner matched with high pressure pipe line; Described liner is provided with outside flange at two end part, and the center circle side face of simultaneously liner has been evenly arranged plural outward extending attachment post; Described attachment post is provided with screw thread in end; Described built-in elastic Sealing is installed on the outer surface of liner, and built-in elastic Sealing is provided with the through hole passed through for attachment post simultaneously, and the flange of liner and attachment post carry out axially locating to built-in elastomer seal simultaneously; External elastic Sealing correspondence is arranged in the outer surface of built-in elastic Sealing, and is provided with the through hole passed through for attachment post, and attachment post carries out axially locating to it; Fixed cover is arranged in the outer surface of external elastic Sealing, and is provided with the through hole passed through for attachment post, and attachment post realizes the axially locating to fixed cover, and the end of attachment post is provided with set screw nut simultaneously.
2. a kind of pipe coupling for high-pressure fluid pipes according to claim 1, is characterized in that, described built-in elastic Sealing is preserving and sealing part.
3. a kind of pipe coupling for high-pressure fluid pipes according to claim 1, is characterized in that, described external elastic Sealing is preserving and sealing part.
4. a kind of pipe coupling for high-pressure fluid pipes according to claim 1, is characterized in that, the surface of described built in pipeline connecting body scribbles corrosion-inhibiting coating.
5. a kind of pipe coupling for high-pressure fluid pipes according to claim 1, is characterized in that, attachment post is also provided with gasket seal between fixed cover and nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510907932.9A CN105402520A (en) | 2015-12-10 | 2015-12-10 | Pipeline joint for high-pressure fluid pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510907932.9A CN105402520A (en) | 2015-12-10 | 2015-12-10 | Pipeline joint for high-pressure fluid pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105402520A true CN105402520A (en) | 2016-03-16 |
Family
ID=55468179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510907932.9A Pending CN105402520A (en) | 2015-12-10 | 2015-12-10 | Pipeline joint for high-pressure fluid pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105402520A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109642689A (en) * | 2016-08-22 | 2019-04-16 | 德国诺玛公司 | Claw fixes device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3202660A1 (en) * | 1981-02-04 | 1982-09-23 | Duewag AG, 4150 Krefeld | Connecting element for pipes, especially steel-armoured pipes |
| CN200955636Y (en) * | 2006-07-31 | 2007-10-03 | 陈伟 | Fast-mounting type connection device |
| CN101493166A (en) * | 2009-02-25 | 2009-07-29 | 无锡金羊管件有限公司 | Pipe connection |
| CN201827553U (en) * | 2010-10-29 | 2011-05-11 | 岳文武 | Stainless steel calipers type pipeline loose-joint device |
| CN202392319U (en) * | 2011-12-05 | 2012-08-22 | 张关莲 | Joint for steel pipes |
| CN104019302A (en) * | 2014-06-26 | 2014-09-03 | 王向林 | Heat insulation pipe joint structure |
| CN204254089U (en) * | 2014-11-10 | 2015-04-08 | 福建浩通管业科技有限公司 | A kind of sealed type large-scale pipeline connecting head |
-
2015
- 2015-12-10 CN CN201510907932.9A patent/CN105402520A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3202660A1 (en) * | 1981-02-04 | 1982-09-23 | Duewag AG, 4150 Krefeld | Connecting element for pipes, especially steel-armoured pipes |
| CN200955636Y (en) * | 2006-07-31 | 2007-10-03 | 陈伟 | Fast-mounting type connection device |
| CN101493166A (en) * | 2009-02-25 | 2009-07-29 | 无锡金羊管件有限公司 | Pipe connection |
| CN201827553U (en) * | 2010-10-29 | 2011-05-11 | 岳文武 | Stainless steel calipers type pipeline loose-joint device |
| CN202392319U (en) * | 2011-12-05 | 2012-08-22 | 张关莲 | Joint for steel pipes |
| CN104019302A (en) * | 2014-06-26 | 2014-09-03 | 王向林 | Heat insulation pipe joint structure |
| CN204254089U (en) * | 2014-11-10 | 2015-04-08 | 福建浩通管业科技有限公司 | A kind of sealed type large-scale pipeline connecting head |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109642689A (en) * | 2016-08-22 | 2019-04-16 | 德国诺玛公司 | Claw fixes device |
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| C06 | Publication | ||
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Application publication date: 20160316 |
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| RJ01 | Rejection of invention patent application after publication |