CN112780850A - Hydraulic pipeline pipe end forming connector - Google Patents
Hydraulic pipeline pipe end forming connector Download PDFInfo
- Publication number
- CN112780850A CN112780850A CN202110116365.0A CN202110116365A CN112780850A CN 112780850 A CN112780850 A CN 112780850A CN 202110116365 A CN202110116365 A CN 202110116365A CN 112780850 A CN112780850 A CN 112780850A
- Authority
- CN
- China
- Prior art keywords
- pipe end
- hydraulic line
- line pipe
- conical
- pipeline body
- 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.)
- Withdrawn
Links
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 7
- 238000010168 coupling process Methods 0.000 claims 7
- 238000005859 coupling reaction Methods 0.000 claims 7
- 125000004122 cyclic group Chemical group 0.000 claims 3
- 238000007493 shaping process Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Images
Classifications
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- 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
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/025—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges
- F16L19/028—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges the collars or flanges being obtained by deformation of the pipe wall
- F16L19/0286—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges the collars or flanges being obtained by deformation of the pipe wall and being formed as a flange
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- 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
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0212—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
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- 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
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/06—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends
- F16L19/065—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends the wedging action being effected by means of a ring
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints With Pressure Members (AREA)
Abstract
The invention discloses a hydraulic pipeline pipe end forming connector which comprises a connector body, a pipeline body, a sealing ring and a nut, wherein the connector body comprises a connecting part provided with external threads, a step hole with a small front part and a large rear part is arranged on the connecting part, the rear end of the step hole is a tapered hole, an annular anti-falling bulge is formed at the pipe end of the pipeline body through a cold forming process, the sealing ring matched with the tapered hole is arranged on the pipeline body in front of the annular anti-falling bulge, and the nut in threaded connection with the connecting part is sleeved on the pipeline body behind the annular anti-falling bulge.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of pipeline connection, in particular to the technical field of a hydraulic pipeline pipe end forming connector.
[ background of the invention ]
At present, widely applied metal pipeline connection modes include threaded type, welding type, flaring type, clamping sleeve type and other pipe joints, and different connection modes and joints are adopted according to different working condition requirements and conditions. However, at present, industrialization and intensification have been developed, and as the ferrule type pipe joint has the advantages of good connection and sealing performance, convenient and fast installation and operation, and the like, the application range and the number of the ferrule type pipe joint are continuously increased, and higher requirements are also provided. If the requirements of the original double-ferrule type pipe joint on the precision and the hardness of the pipe are higher, the connection strength and the sealing performance of the pipe can be ensured, and the adverse factors of larger required installation moment, more parts and the like influence the popularization and the application in a wider range.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a hydraulic pipeline pipe end forming connector which can reduce the requirements on pipe precision and hardness, reduce mounting torque and reduce parts.
In order to achieve the purpose, the invention provides a hydraulic pipeline pipe end forming connector which comprises a connector body, a pipeline body, a sealing ring and a nut, wherein the connector body comprises a connecting part with external threads, a step hole with a small front part and a large rear part is arranged on the connecting part, the rear end of the step hole is a conical hole, an annular anti-falling bulge is formed at the pipe end of the pipeline body through a cold forming process, the sealing ring matched with the conical hole is arranged on the pipeline body in front of the annular anti-falling bulge, and the nut in threaded connection with the connecting part is sleeved on the pipeline body behind the annular anti-falling bulge.
Preferably, a tapered sealing portion closely contacting the tapered hole is provided at a front end of the annular anti-slip projection.
Preferably, the seal ring is located at a front end of the tapered seal portion.
Preferably, the inner diameter of the seal ring is smaller than the outer diameter of the pipe body.
Preferably, the rear end of the annular anti-slip projection is a 45-degree conical surface.
Preferably, the tapered hole is a tapered surface of 20 to 30 degrees.
Preferably, the inner side surface of the rear end of the nut is matched with the rear end of the anti-falling bulge.
Preferably, an elastic reinforcing body is arranged in the sealing ring, the elastic reinforcing body comprises a conical annular body, and a plurality of C-shaped groove structures are formed on the conical annular body through bending.
The invention has the beneficial effects that: the pipe end of the pipeline body is formed with the annular anti-falling bulge through the cold forming process, so that a clamping sleeve of the traditional clamping sleeve type pipe joint is eliminated, the metal pipe does not need to be forced to deform in the installation process, and the requirements on the precision and the hardness of the pipe are reduced; double sealing is formed by the sealing ring and the conical sealing part, so that the sealing property is improved; an elastic reinforcing body is arranged in the sealing ring, so that the sealing performance is further improved, and the application range is improved; compared with the prior art, the requirements on the precision and the hardness of the pipe can be reduced, the mounting torque is reduced, and parts are reduced.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic structural view of a pipe end forming connector of a hydraulic pipeline according to the present invention;
fig. 2 is a schematic view of the structure of the elastic reinforcement body.
In the figure: 1-joint body, 2-pipeline body, 3-sealing ring, 4-nut, 5-annular anti-drop bulge, 6-conical sealing part, 7-elastic reinforcing body, 11-connecting part, 12-step hole, 13-conical hole, 71-conical ring body and 72-C-shaped groove.
[ detailed description ] embodiments
Referring to fig. 1 and 2, the hydraulic pipeline pipe end forming connector of the invention comprises a connector body 1, a pipeline body 2, a sealing ring 3 and a nut 4, wherein the connector body 1 comprises a connecting part 11 provided with external threads, the connecting part 11 is provided with a step hole 12 with a small front part and a large rear part, the rear end of the step hole 12 is a tapered hole 13, the pipe end of the pipeline body 2 is formed with an annular anti-falling bulge 5 through a cold forming process, the pipeline body 2 in front of the annular anti-falling bulge 5 is provided with the sealing ring 3 matched with the tapered hole 13, the pipeline body 2 behind the annular anti-falling bulge 5 is sleeved with the nut 4 in threaded connection with the connecting part 11, the front end of the annular anti-falling bulge 5 is provided with a tapered sealing part 6 in close contact with the tapered hole 13, the sealing ring 3 is positioned at the front end of the tapered sealing part 6, and the inner diameter of the sealing ring 3, the rear end of the annular anti-falling protrusion 5 is a 45-degree conical surface, the conical hole 13 is a 20-30-degree conical surface, the inner side surface of the rear end of the nut 4 is matched with the rear end of the anti-falling protrusion 5, the elastic reinforcing body 7 is arranged in the sealing ring 3, the elastic reinforcing body 7 comprises a conical annular body 71, and a plurality of C-shaped groove-shaped 72 structures are formed on the conical annular body 71 through bending.
The working process of the invention is as follows:
in the working process of the hydraulic pipeline pipe end forming connector, the annular anti-falling bulge 5 is formed at the pipe end of the pipeline body 2 through a cold forming process, so that a clamping sleeve of the traditional clamping sleeve type pipe connector is eliminated, the metal pipe does not need to be forced to deform in the installation process, and the requirements on the precision and the hardness of the pipe are reduced; the sealing ring 3 and the conical sealing part 6 form double sealing, so that the sealing performance is improved; an elastic reinforcing body 7 is arranged in the sealing ring 3, so that the sealing property is further improved, and the application range is improved; compared with the prior art, the requirements on the precision and the hardness of the pipe can be reduced, the mounting torque is reduced, and parts are reduced.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (8)
1. The utility model provides a hydraulic line pipe end shaping connector which characterized in that: including the joint body (1), the pipeline body (2), sealing washer (3) and nut (4), joint body (1) is including connecting portion (11) that are equipped with the external screw thread, be equipped with big step hole (12) in little back before being equipped with on connecting portion (11), the rear end in step hole (12) is bell mouth (13), the pipe end of the pipeline body (2) is formed with the protruding (5) of cyclic annular anticreep through the cold forming process, be equipped with on the pipeline body (2) in the protruding (5) the place ahead of cyclic annular anticreep with bell mouth (13) matched with sealing washer (3), the cover is equipped with nut (4) with connecting portion (11) threaded connection on the pipeline body (2) at the protruding (5) rear of cyclic annular anticreep.
2. A hydraulic line pipe end forming coupling as defined in claim 1, wherein: the front end of the annular anti-drop bulge (5) is provided with a conical sealing part (6) which is tightly contacted with the conical hole (13).
3. A hydraulic line pipe end forming coupling as defined in claim 1, wherein: the sealing ring (3) is positioned at the front end of the conical sealing part (6).
4. A hydraulic line pipe end forming coupling as defined in claim 1, wherein: the inner diameter of the sealing ring (3) is smaller than the outer diameter of the pipeline body (2).
5. A hydraulic line pipe end forming coupling as defined in claim 1, wherein: the rear end of the annular anti-falling bulge (5) is a 45-degree conical surface.
6. A hydraulic line pipe end forming coupling as defined in claim 1, wherein: the taper hole (13) is a 20-30 degree taper surface.
7. A hydraulic line pipe end forming coupling as defined in claim 1, wherein: the inner side surface of the rear end of the nut (4) is matched with the rear end of the anti-falling bulge (5).
8. A hydraulic line pipe end form coupling as claimed in any one of claims 1 to 7, wherein: an elastic reinforcing body (7) is arranged in the sealing ring (3), the elastic reinforcing body (7) comprises a conical annular body (71), and a plurality of C-shaped groove-shaped structures (72) are formed on the conical annular body (71) through bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110116365.0A CN112780850A (en) | 2021-01-28 | 2021-01-28 | Hydraulic pipeline pipe end forming connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110116365.0A CN112780850A (en) | 2021-01-28 | 2021-01-28 | Hydraulic pipeline pipe end forming connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112780850A true CN112780850A (en) | 2021-05-11 |
Family
ID=75759279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110116365.0A Withdrawn CN112780850A (en) | 2021-01-28 | 2021-01-28 | Hydraulic pipeline pipe end forming connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112780850A (en) |
-
2021
- 2021-01-28 CN CN202110116365.0A patent/CN112780850A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210511 |