CN104132207A - Composite pipe joint and manufacturing method thereof - Google Patents
Composite pipe joint and manufacturing method thereof Download PDFInfo
- Publication number
- CN104132207A CN104132207A CN201410388690.2A CN201410388690A CN104132207A CN 104132207 A CN104132207 A CN 104132207A CN 201410388690 A CN201410388690 A CN 201410388690A CN 104132207 A CN104132207 A CN 104132207A
- Authority
- CN
- China
- Prior art keywords
- composite pipe
- pipe
- plug
- intubate
- composite
- 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
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/20—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members
Abstract
The invention belongs to the technical field of high-pressure rubber pipe joints and discloses a composite pipe joint used for high-pressure petroleum conveying and a manufacturing method of the composite pipe joint. According to the main technical scheme, the composite pipe joint comprises a connecting section provided with a connecting mechanism, and a plug formed by a plug pipe with an inverted-tooth ring, the connection section and the plug are of an integrated structure, the plug pipe is plugged into an inner pipe forming the composite pipe, and an outer pressing pipe hoop is arranged on the outer side of the plug pipe plugged into the inner pipe. The inner pipe diameter of the plug pipe is identical with the inner pipe diameter of the composite pipe. According to the composite pipe joint, a pull rod with an expansion head arranged at the end is plugged into the plug pipe, the outer press pipe hoop is arranged on the section of the plug pipe in a sleeved mode, the composite pipe is plugged into a formed cylinder ring, and the pull rod is pulled to expand the inner diameter of the plug pipe through the expansion head at the end of the pull rod, and thus the composite pipe joint is formed. The special composite pipe joint is manufactured with the method, the advantages that the structure is simple, the requirement for high pressure and connecting strength can be met, and the method is simple are achieved.
Description
Technical field
The invention belongs to high-pressure rubber hose coupling technical field, relate to concretely a kind of oil transportation multiunit tube joint that is used in oil high-pressure delivery and preparation method thereof.
Background technique
Be widely used at present the composite pipe of transfer oil, its structure comprise conveying high-pressure medium inner tube layer, be wrapped in the middle pressure-bearing framework layer that its outside steel wire winding braid and middle glue bond layer form and the protective layer consisting of outer glue-line forms; The structure of this composite pipe jointing comprises and is provided with the plug with the common formation of pawl ring intubate that internal thread or outside thread form the linkage section of bindiny mechanism and be structure as a whole with it, insert in the intubate of plug composite pipe end, and have external pressure pipe collar to form in its outer installment.There is following defect in the multiunit tube joint of this structure: one, and the interior caliber that forms the intubate of this joint is less than the internal diameter of composite pipe, has caused the inconsistent problem of caliber of multiunit tube joint and composite pipe; They are two years old, while assembling this multiunit tube joint, external pressure pipe collar is directly enclosed within that to be inserted with the intubate of composite pipe outside---when the diameter of external pressure pipe collar hour can meet the join strength of connection part, but the pressure fashionable due to cover is very big, can cause damage to the inner tube layer of composite pipe, middle pressure-bearing framework layer and cannula structures; When the diameter of external pressure pipe collar is larger, although be conducive to the protection of the inner tube layer of composite pipe, middle pressure-bearing framework layer and cannula structures, its join strength is difficult to guarantee.
Summary of the invention
The first object of the present invention be just to provide a kind of simple in structure, can meet the high pressure composite pipe special joint consistent with join strength requirement and caliber;
The second object of the present invention is just to provide the preparation method of above-mentioned composite pipe special joint.
For realizing above-mentioned the first object, the technical solution used in the present invention is:
A composite pipe special joint, its structure comprises the plug with pawl ring intubate formation that is provided with the linkage section of bindiny mechanism and is structure as a whole with it, the composite pipe being connected with this plug and external pressure pipe collar; It is characterized in that: described intubate is inserted in the inner tube that forms described composite pipe, and described external pressure pipe collar is arranged at the outside of the intubate in described insertion inner tube; The interior caliber of described intubate is identical with the interior caliber of described composite pipe.
The additional technical feature that forms above-mentioned composite pipe special joint comprises:
---described bindiny mechanism is outside thread or the internal thread that is arranged at described linkage section;
---on the inwall of described external pressure pipe collar, be provided with 1-2 interior pawl rings;
---the corresponding setting of staggering of the pawl ring on described external pressure pipe collar and the pawl ring in described intubate.
For realizing above-mentioned the second object, the technical solution used in the present invention is:
A preparation method for composite pipe special joint, comprises the following steps,
The first step: the pull bar that first end is provided with to expansion head is inserted wherein by the intubate section of plug;
Second step: external pressure tube cuff, in described intubate section, and is formed to cylinder ring;
The 3rd step: composite pipe is inserted in above-mentioned cylinder ring;
The 4th step: the connection end of described plug is fixed on the round-meshed baffle plate of tool;
The 5th step: pull described pull bar, make its end expand head the internal diameter of described intubate is expanded, and make its outer wall and described external pressure pipe collar form the extruding to described composite pipe, form linkage structure.
In forming the preparation method of above-mentioned composite pipe special joint,
---the internal diameter that forms the linkage section of described plug is more than or equal to multiple tube inner tube internal diameter;
---a described expansion axial sides is arcuate structure;
---in described the 5th step operation, described in it, the internal diameter of intubate extends to identical with described multiple tube inner tube internal diameter.
Composite pipe special joint provided by the present invention and preparation method thereof, compared with prior art have the following advantages: one, owing to forming the metal pawl ring intubate of this special joint, insert in the inner tube that forms described composite pipe, and the interior caliber of this intubate is consistent with the interior caliber of composite pipe, has therefore overcome composite pipe in prior art and in joint, there will be caliber to diminish and affect the problem to oil transportation; They are two years old, in preparation process, first end is provided with in the pull bar insertion intubate section that expands head, again by external pressure tube cuff in intubate section, then composite pipe is inserted in formed cylinder ring, by pulling pull bar to have the head of expansion that intubate section internal diameter is expanded, make its outer wall and external pressure pipe collar form the extruding to described composite pipe; This technique is relatively simple, and formed jointing has the advantages that join strength is high.
Accompanying drawing explanation
Fig. 1 is the radial cross section structural representation of composite pipe special joint provided by the invention;
Fig. 2 is for preparing the above-mentioned composite pipe special joint of Fig. 1 schematic flow sheet.
Embodiment
Below in conjunction with accompanying drawing, the structure of composite pipe special joint provided by the invention is described in further details.
Be illustrated in figure 1 the structural representation of composite pipe special joint provided by the invention.The structure that forms this composite pipe special joint comprises the plug with pawl ring 3 intubate 4 formations that is provided with the linkage section 2 of bindiny mechanism 1 and is structure as a whole with it, intubate is inserted in the inner tube 6 that forms composite pipe 5, and external pressure pipe collar 7 is arranged at the outside of the intubate in above-mentioned insertion inner tube; And the interior caliber of above-mentioned intubate is identical with the interior caliber of composite pipe.
In forming the structure of above-mentioned composite pipe special joint:
---the bindiny mechanism 1 that forms above-mentioned linkage section 2 can be both set linkage section outside thread or internal thread, can be also other clamping mechanism, for the connection of another special joint with corresponding;
---in order further to improve the join strength of above-mentioned pawl ring 3 intubate 4 and composite pipe, on the inwall that forms external pressure pipe collar 7, be provided with 1-2 interior pawl rings 8, and in order to prevent, in intubate and external pressure pipe collar, the extruding of composite pipe is caused to damage, the corresponding setting of staggering of its intubate and pawl ring on external pressure pipe collar 7.
Preparing above-mentioned is the preparation method of composite pipe special joint, comprise the following steps as shown in Figure 2,
The first step: first end is provided with and expands a pull bar 10 of 9 by 4 sections of insertions of intubate of plug wherein;
Second step: external pressure pipe collar 7 is placed in above-mentioned intubate 4, and forms cylinder ring 11;
The 3rd step: composite pipe 4 is inserted in above-mentioned cylinder ring;
The 4th step: the connection end of plug is fixed on the baffle plate 13 with circular hole 12;
The 5th step: pull pull bar along arrow 14, make its end expand head the internal diameter of intubate is expanded, and make its outer wall and external pressure pipe collar form the extruding to composite pipe, form linkage structure.
In forming the preparation method of above-mentioned composite pipe special joint,
---power when cannula inner diameter is expanded in order to reduce expansion head, the internal diameter that forms the linkage section of plug is more than or equal to multiple tube inner tube internal diameter; The axial sides of above-mentioned expansion simultaneously 15 is symmetrical arcuate structure;
---in above-mentioned expansion process, the internal diameter of its intubate extend to identical with multiple tube inner tube internal diameter till.
Claims (7)
1. a composite pipe special joint, its structure comprise be provided with the linkage section of bindiny mechanism and be structure as a whole with it there is the plug that pawl ring intubate forms, the composite pipe being connected with this plug and external pressure pipe collar; It is characterized in that: described intubate is inserted in the inner tube that forms described composite pipe, and described external pressure pipe collar is arranged at the outside of the intubate in described insertion inner tube; The interior caliber of described intubate is identical with the interior caliber of described composite pipe.
2. a kind of composite pipe special joint according to claim 1, is characterized in that: described bindiny mechanism is outside thread or the internal thread that is arranged at described linkage section.
3. a kind of composite pipe special joint according to claim 1, is characterized in that: on the inwall of described external pressure pipe collar, be provided with 1-2 interior pawl rings.
4. a kind of composite pipe special joint according to claim 3, is characterized in that: the corresponding setting of staggering of the pawl ring on described external pressure pipe collar and pawl ring in described intubate.
5. a preparation method for composite pipe special joint, comprises the following steps,
The first step: the pull bar that first end is provided with to expansion head is inserted wherein by the intubate section of plug;
Second step: external pressure tube cuff, in described intubate section, and is formed to cylinder ring;
The 3rd step: composite pipe is inserted in above-mentioned cylinder ring;
The 4th step: the connection end of described plug is fixed on the round-meshed baffle plate of tool;
The 5th step: pull described pull bar, make its end expand head the internal diameter of described intubate is expanded, and make its outer wall and described external pressure pipe collar form the extruding to described composite pipe, form linkage structure.
6. preparation method's head that a kind of composite pipe special use according to claim 4 connects, is characterized in that: the internal diameter that forms the linkage section of described plug is more than or equal to multiple tube inner tube internal diameter.
Preparation method's head that a kind of composite pipe special use according to claim 4 connects, is characterized in that: a described expansion axial sides is arcuate structure.
7. preparation method's head that a kind of composite pipe special use according to claim 4 connects, is characterized in that: in described the 5th step operation, described in it, the internal diameter of intubate extends to identical with described multiple tube inner tube internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410388690.2A CN104132207A (en) | 2014-08-09 | 2014-08-09 | Composite pipe joint and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410388690.2A CN104132207A (en) | 2014-08-09 | 2014-08-09 | Composite pipe joint and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104132207A true CN104132207A (en) | 2014-11-05 |
Family
ID=51804996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410388690.2A Pending CN104132207A (en) | 2014-08-09 | 2014-08-09 | Composite pipe joint and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104132207A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110099757A (en) * | 2016-12-23 | 2019-08-06 | 山特维克知识产权股份有限公司 | Connecting tube and its manufacturing method |
| US11067114B2 (en) | 2017-03-31 | 2021-07-20 | Crompton Technology Group Limited | Composite end connections |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2216839A (en) * | 1939-05-15 | 1940-10-08 | Scovill Manufacturing Co | Interlocking sleeve coupling |
| DE2532624A1 (en) * | 1975-07-22 | 1977-02-10 | Riedl Ag Adolf | High pressure rubber hose coupling connector - is fitted by pushing or pulling smooth mandrel through connector |
| US5127157A (en) * | 1989-02-06 | 1992-07-07 | Hans Oetiker | Method of fastening hose to nipple |
| CN1430007A (en) * | 2001-12-13 | 2003-07-16 | 韦尔斯特里姆公司 | Hose connector for tubular member and its applied method |
-
2014
- 2014-08-09 CN CN201410388690.2A patent/CN104132207A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2216839A (en) * | 1939-05-15 | 1940-10-08 | Scovill Manufacturing Co | Interlocking sleeve coupling |
| DE2532624A1 (en) * | 1975-07-22 | 1977-02-10 | Riedl Ag Adolf | High pressure rubber hose coupling connector - is fitted by pushing or pulling smooth mandrel through connector |
| US5127157A (en) * | 1989-02-06 | 1992-07-07 | Hans Oetiker | Method of fastening hose to nipple |
| CN1430007A (en) * | 2001-12-13 | 2003-07-16 | 韦尔斯特里姆公司 | Hose connector for tubular member and its applied method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110099757A (en) * | 2016-12-23 | 2019-08-06 | 山特维克知识产权股份有限公司 | Connecting tube and its manufacturing method |
| US11679428B2 (en) | 2016-12-23 | 2023-06-20 | Sandvik Intellectual Property Ab | Connection tube and its method of manufacturing |
| US11067114B2 (en) | 2017-03-31 | 2021-07-20 | Crompton Technology Group Limited | Composite end connections |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20141105 |