CN211599814U - Pipeline structure - Google Patents
Pipeline structure Download PDFInfo
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- CN211599814U CN211599814U CN201922032149.9U CN201922032149U CN211599814U CN 211599814 U CN211599814 U CN 211599814U CN 201922032149 U CN201922032149 U CN 201922032149U CN 211599814 U CN211599814 U CN 211599814U
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- sealing
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- connecting section
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Abstract
The utility model discloses a pipeline structure, which comprises a conduit, a flareless pipe sleeve and a pipeline joint, wherein the pipeline joint comprises a ball connecting section, a supporting seat and a tail section which are sequentially and integrally designed along the axial direction; the tail section is internally designed with a non-flaring sealing inner cone which is connected with the spherical connecting section in a sealing way, the taper of the inner conical surface of the non-flaring sealing inner cone (3031) is between 23 and 30 ' and 24, and the spherical connecting section is designed with a deflection angle of 11 and 30 ' to 12 and 30 '. The utility model discloses an assembly process requires simply, convenient operation, and the size is compact, and space utilization is high, has reduced the processing cost, has shortened process time, has improved production efficiency, has guaranteed processingquality and has improved pipe-line system compressive strength and life.
Description
Technical Field
The utility model belongs to the technical field of mechanical manufacturing process equips, concretely relates to pipeline structure.
Background
At present, a flared pipeline connecting structure used in an aerospace hydraulic system adopts a 74-degree sealing configuration, and pipelines need to be flared according to standard HB 4-52-2002 (conduit flaring), but the flared pipeline connection has the problems that 74-degree conical surface processing is unstable, the flared pipeline connecting structure is low in application pressure and the like. Along with the development of the weight reduction trend of aerospace, the requirement of novel flaring-free pipeline connection is increasingly highlighted. However, the transition section of the novel flareless sealing structure and the flareless sealing form cannot be adapted, and the problems of high overall application difficulty, high precision requirement, difficulty in replacement and the like exist.
Disclosure of Invention
To the defect among the prior art with not enough, the utility model provides a pipeline crossover sub overcomes the defect that sealed effect that exists is poor, change the difficulty among the prior art.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a pipeline structure comprises a guide pipe, a flareless pipe sleeve and a pipeline joint, wherein the pipeline joint comprises a conical section, a supporting seat and a tail section which are sequentially and integrally designed along the axial direction; the tail section is internally designed with a sealing inner cone without a flaring, and the sealing inner cone without the flaring is connected with the spherical connecting section in a sealing way.
The utility model discloses still have following technical characteristic:
the taper of the inner conical surface of the seal inner cone without the flaring is between 23 degrees and 30 degrees and 24 degrees and 30 degrees, and the design deflection angle of the spherical connecting section is between 11 degrees and 30 degrees and 12 degrees and 30 degrees.
The outer wall of the tail section is sleeved with a flaring-free type outer sleeve nut, and the flaring-free sealing inner cone is fixedly connected with the spherical connecting section through the assembly of the flaring-free type outer sleeve nut and the outer wall of the outer section.
The flaring-free type outer sleeve nut is assembled with the outer wall of the outer section through a thread pair.
The inner end face of the flaring of the guide pipe is connected with the outer end part of the spherical surface in a sealing mode, the guide pipe is sleeved with a flat pipe nozzle, a flaring type outer sleeve nut is sleeved on the flat pipe nozzle, and the guide pipe is fixedly connected with the spherical surface through the assembly of the flaring type outer sleeve nut and the outer wall of the spherical surface.
The design deflection angle of the spherical connecting section is between 36 degrees 30 'and 37 degrees 30'.
The flaring type outer sleeve nut and the spherical outer wall are assembled through threads.
The inner end part of the conduit is a conical flaring, and the conicity of the conical flaring is 65-66-30'.
Compared with the prior art, the utility model, profitable technological effect is:
the utility model discloses an assembly process requires simply, convenient operation, and the size is compact, and space utilization is high, has reduced the processing cost, has shortened process time, has improved production efficiency, has guaranteed processingquality and has improved pipe-line system compressive strength and life.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an exploded view of the present invention.
The meaning of each reference number in the figures is: 1-a conduit, 2-a flareless pipe sleeve, 3-a pipeline joint, 4-a flareless outer sleeve nut, 5-a flat pipe nozzle and 6-a flareless outer sleeve nut;
201-socket body, 2011-spherical connection section;
301-spherical sealing section, 302-supporting seat, 303-tail section and 3031-sealing inner cone without flaring.
Detailed Description
The following embodiments of the present invention are provided, and it should be noted that the present invention is not limited to the following embodiments, and all the equivalent transformations made on the basis of the technical solution of the present application all fall into the protection scope of the present invention.
Example (b):
following the above technical solution, as shown in fig. 1 to 2, the present embodiment provides a pipeline structure, including a conduit 1, a flareless pipe sleeve 2, and a pipeline joint 3, where the pipeline joint 3 includes a spherical sealing section 301, a supporting seat 302, and a tail section 303, which are integrally designed in sequence along an axial direction, the flareless pipe sleeve 2 includes a pipe sleeve main body 201, and a spherical connecting section 2011 is designed on the pipe sleeve main body 201; the tail section 303 is internally designed with a seal inner cone 3031 without a flaring, and the seal inner cone 3031 without a flaring is hermetically connected with the spherical connecting section 2011.
As a preferable scheme of this embodiment, the taper of the inner conical surface of the flareless sealing inner cone is between 23 ° 30 'and 24 ° 30', and the design deflection angle of the spherical connecting section 2011 is between 11 ° 30 'and 12 ° 30'.
As a preferable scheme of this embodiment, the outer wall of the tail section 303 is sleeved with a flareless outer nut 4, and the flareless inner sealing cone 3031 is fixedly connected with the spherical connecting section 2011 by assembling the flareless outer nut 4 with the outer wall of the spherical connecting section 2011.
As a preferred solution of this embodiment, the flareless outer nut 4 is assembled with the outer wall of the tail section 303 by a screw thread pair.
As a preferable scheme of this embodiment, the inner end of the guide tube 1 is connected to the spherical outer end of the spherical sealing section 301 in a sealing manner, the guide tube 1 is sleeved with a flat nozzle 5, the flat nozzle 5 is sleeved with a flared outer nut 6, and the guide tube is fixedly connected to the spherical sealing section 301 by assembling the flared outer nut 6 to the outer wall of the spherical sealing section 301.
As a preferable mode of the present embodiment, the flared outer nut 6 is assembled with the outer wall of the spherical sealing section 301 by a screw pair.
As a preferred version of this embodiment, the inner end of the conduit 1 is a tapered flare having a taper of 66 ° plus or minus 30'.
The tail section 303 of the pipeline joint 3 is designed with a flareless sealing inner cone 3031 designed in a trumpet shape, the flareless sealing inner cone 3031 has an inner conical surface with 24 degrees of taper, and the machining dimensional tolerance of the inner conical surface is +/-30 ', namely, the taper of the inner conical surface is between 23 degrees 30 ' and 24 degrees 30 '.
The flareless pipe sleeve 2 connected with the tail section 303 of the pipeline joint 3 comprises a pipe sleeve main body 201 and a spherical connecting section 2011 which are connected, the end part of the pipe sleeve main body 201 is designed into a sealable spherical surface (with a deflection angle of 12 degrees) and two sections of avoidance inclination angles (with a deflection angle of 12 degrees to 13 degrees), an installation area has a certain installation inclination angle (with a deflection angle of 55 degrees to 60 degrees), a matched flareless outer sleeve nut 4 provides axial installation pressure and radial installation pressure for the pipe sleeve main body, a groove or a plurality of grooves are designed on the pipe sleeve main body, a pipe extends into the flareless pipe sleeve 4, the pipe is elastically and plastically deformed in a radial inner extrusion or radial inner rolling mode, and the deformation area is filled into one groove or a plurality of grooves of the flareless pipe sleeve 4 to form an assembly whole body so as to. In the use process of the product, high-pressure fluid is arranged in the pipe, so that high pressure is generated on the inner wall of the pipe, the connection performance of the pipe sleeve without the flaring port and the pipe is improved, the outer sleeve nut 4 without the flaring port performs rigid contact with the inner conical surface of the adapter 24 degrees of the angle of 12-degree deviation arc surface of the pipe sleeve to form linear sealing under the action of the thread pair of the adapter, and the purposes of product connection design and use are achieved.
The utility model discloses working process during the use as follows:
when in use, the guide pipe 1, the flat nozzle 5, the pipeline joint 3 and the flareless pipe sleeve 2 are designed in sequence along the axial direction, the flat nozzle 5 is sleeved on the outer circumference of the guide pipe, then a flared outer sleeve nut 6 is used for screwing and fixing the guide pipe 1, the flat nozzle 5 and the pipeline joint 3, the pipeline joint 3 comprises three components, namely a spherical sealing section, a supporting seat and a tail section which are integrally designed along the axial direction, the tail section of the pipeline joint 3 is provided with a flareless sealing inner cone 3031 matched with the flareless pipe sleeve spherical connecting section 2011, the tail section 303 of the pipeline joint is connected with the flareless pipe sleeve 2, the inner surface of the inner cone 3031 without flaring seal is attached to the outer surface of the spherical connecting section 2011, the 24-degree inner cone 3031 without flaring seal and the spherical connecting section 2011 without flaring sleeve are in contact seal through the 24-degree inner cone surface and the spherical surface, and finally the pipeline joint 3 and the non-flaring sleeve 2 are screwed down by the outer nut 6 without flaring seal.
The utility model discloses an assembly process requires simply, convenient operation, and the size is compact, and space utilization is high, has reduced the processing cost, has shortened process time, has improved production efficiency, has guaranteed processingquality and has improved pipe-line system compressive strength and life.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (7)
1. A pipeline structure comprises a guide pipe (1), a flareless pipe sleeve (2) and a pipeline joint (3), wherein the pipeline joint (3) comprises a spherical sealing section (301), a supporting seat (302) and a tail section (303) which are sequentially and integrally designed along the axial direction, and the flareless pipe sleeve (2) comprises a pipe sleeve main body (201), and a spherical connecting section (2011) is designed on the pipe sleeve main body (201); a non-flaring sealing inner cone (3031) is designed in the tail section (303), and the non-flaring sealing inner cone (3031) is connected with the spherical connecting section (2011) in a sealing mode.
2. The tubing structure according to claim 1, wherein said inner cone surface of said flareless internal sealing cone (3031) has a taper of between 23 ° 30 'and 24 ° 30', and said spherical connecting section (2011) is designed to have a draft angle of between 11 ° 30 'and 12 ° 30'.
3. The pipeline structure as claimed in claim 1, wherein the outer wall of the tail section (303) is sleeved with a flareless outer sleeve nut (4), and the flareless inner sealing cone (3031) is fixedly connected with the spherical connecting section (2011) through the assembly of the flareless outer sleeve nut (4) and the outer wall of the spherical connecting section (2011).
4. A pipe arrangement according to claim 3, characterised in that the flareless outer nut (4) is fitted to the outer wall of the tail section (303) by means of a screw thread pair.
5. The pipeline structure according to claim 1, wherein the inner end of the conduit (1) is connected with the spherical end of the spherical sealing section (301) in a sealing manner, the conduit (1) is sleeved with a flat nozzle (5), the flat nozzle (5) is sleeved with a flared outer nut (6), and the conduit is fixedly connected with the spherical sealing section (301) through the assembly of the flared outer nut (6) and the outer wall of the spherical sealing section (301).
6. Piping structure according to claim 5, characterised in that said flared outer nut (6) is assembled with the outer wall of said spherical sealing segment (301) by means of a screw thread pair.
7. A pipeline structure as claimed in claim 1, characterised in that the inner end of said conduit (1) is conically flared with a taper of 66 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922032149.9U CN211599814U (en) | 2019-11-21 | 2019-11-21 | Pipeline structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922032149.9U CN211599814U (en) | 2019-11-21 | 2019-11-21 | Pipeline structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211599814U true CN211599814U (en) | 2020-09-29 |
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ID=72588704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922032149.9U Active CN211599814U (en) | 2019-11-21 | 2019-11-21 | Pipeline structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211599814U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113404947A (en) * | 2021-07-28 | 2021-09-17 | 大连长之琳科技发展有限公司 | System pipeline based on rolling type combined guide pipe and assembling method thereof |
| CN115899399A (en) * | 2022-11-18 | 2023-04-04 | 大连长之琳科技发展有限公司 | On-site quick assembly pipeline connecting joint with axial compensation |
-
2019
- 2019-11-21 CN CN201922032149.9U patent/CN211599814U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113404947A (en) * | 2021-07-28 | 2021-09-17 | 大连长之琳科技发展有限公司 | System pipeline based on rolling type combined guide pipe and assembling method thereof |
| CN115899399A (en) * | 2022-11-18 | 2023-04-04 | 大连长之琳科技发展有限公司 | On-site quick assembly pipeline connecting joint with axial compensation |
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