CN205805434U - A kind of oil pipe connector and use the oil piping system of this adapter - Google Patents
A kind of oil pipe connector and use the oil piping system of this adapter Download PDFInfo
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- CN205805434U CN205805434U CN201620459614.0U CN201620459614U CN205805434U CN 205805434 U CN205805434 U CN 205805434U CN 201620459614 U CN201620459614 U CN 201620459614U CN 205805434 U CN205805434 U CN 205805434U
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- oil pipe
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Abstract
nullThis utility model relates to a kind of oil pipe connector and uses the oil piping system of this adapter，A kind of oil pipe connector，The mandrel extended in left-right direction including length，Two ends, the left and right correspondence of mandrel is arranged with all can mandrel moves left and right relatively a left side、Right slips，Each slips is respectively provided with at least two slips lobe around the circumference laying of mandrel，Mandrel is provided with and expands outwardly for the slips lobe of the left slips of pushing tow when mandrel moves relative to left slips so that the slips lobe swelling of left slips is assemblied in the left pushing tow structure in corresponding left oil pipe，Oil pipe connector also includes the left-hand thread structure for driving mandrel to move relative to left slips，Mandrel is provided with and expands outwardly for the slips lobe of the right slips of pushing tow when mandrel moves relative to right slips so that the slips lobe swelling of right slips is assemblied in the right pushing tow structure in corresponding right oil pipe，Oil pipe connector also includes the right-hand thread structure for driving mandrel to move relative to right slips.Above-mentioned a kind of oil pipe connector can reduce the cost of labor of processing and manufacturing.
Description
Technical field
This utility model relates to a kind of oil pipe connector and uses the oil piping system of this adapter.
Background technology
At present, two sections of coiled tubings connect mainly two kinds, and one is traditional welding manner, and two is to use two-way pressure ring connecting short section to be attached.Welding manner needs have qualification personnel to operate through welding training, increase the cost of labor of processing and manufacturing, and there is security risk in gas well mouth welding, operation routine is numerous and diverse, and this interconnection technique is limited in operation process by personnel and security risk cannot popularity.Two-way pressure ring pipe nipple connected mode is owing to by tube inner wall polishing degree, different, oil pipe wall thickness difference and pressure ring operator realize difference, the pulling force that after connection, oil pipe bears can not be unified, and do not possess torque resistant performance, easily cause coiled tubing and decline well at operation process.
Utility model content
The purpose of this utility model is to provide a kind of oil pipe connector, to solve in prior art because welding connecting mode causes the technical problem that cost of labor is high；Meanwhile, this utility model additionally provides a kind of oil piping system using this oil pipe connector.
nullFor achieving the above object，A kind of oil pipe connector of the present utility model adopts the following technical scheme that a kind of oil pipe connector，The mandrel extended in left-right direction including length，Two ends, the left and right correspondence of mandrel is arranged with all can mandrel moves left and right relatively a left side、Right slips，Each slips is respectively provided with at least two slips lobe around the circumference laying of mandrel，Mandrel is provided with and expands outwardly for the slips lobe of the left slips of pushing tow when mandrel moves relative to left slips so that the slips lobe swelling of left slips is assemblied in the left pushing tow structure in corresponding left oil pipe，Oil pipe connector also includes the left-hand thread structure for driving mandrel to move relative to left slips，Mandrel is provided with and expands outwardly for the slips lobe of the right slips of pushing tow when mandrel moves relative to right slips so that the slips lobe swelling of right slips is assemblied in the right pushing tow structure in corresponding right oil pipe，Oil pipe connector also includes the right-hand thread structure for driving mandrel to move relative to right slips.
The equal guiding movement of left and right slips is assemblied on mandrel, on mandrel, spiral is provided with left and right pushing tow nut, left-hand thread structure includes the female thread being arranged on left pushing tow nut and the external screw thread being arranged on mandrel, and right-hand thread structure includes the female thread being arranged on right pushing tow nut and the external screw thread being arranged on mandrel.
On left pushing tow nut spiral be provided with axis along left pushing tow nut radially extend for the jackscrew with the press-fit of mandrel top.
Mandrel is the tubular structure that centre is thick, two ends are thin, and left and right pushing tow nut is separately positioned on the left and right sides of the interlude of mandrel.
Left pushing tow structure includes that spiral is arranged on the left cone of the left end of mandrel, and left cone has the tapered outer circumferential surfaces of increasing diameter from right to left, and tapered outer circumferential surfaces coordinates with the slips lobe pushing tow of left slips.
nullA kind of oil piping system of the present utility model adopts the following technical scheme that a kind of oil piping system，Including a spaced left side, left and right、Right oil pipe，Also include that string is located at a left side、Oil pipe connector between right oil pipe，Oil pipe connector includes the mandrel that length extends in left-right direction，Two ends, the left and right correspondence of mandrel is arranged with all can mandrel moves left and right relatively a left side、Right slips，Left slips is inserted in left oil pipe，Right slips is inserted in right oil pipe，Each slips is respectively provided with at least two slips lobe around the circumference laying of mandrel，Mandrel is provided with and expands outwardly for the slips lobe of the left slips of pushing tow when mandrel moves relative to left slips so that the slips lobe swelling of left slips is assemblied in the left pushing tow structure in corresponding left oil pipe，Oil pipe connector also includes the left-hand thread structure for driving mandrel to move relative to left slips，Mandrel is provided with and expands outwardly for the slips lobe of the right slips of pushing tow when mandrel moves relative to right slips so that the slips lobe swelling of right slips is assemblied in the right pushing tow structure in corresponding right oil pipe，Oil pipe connector also includes the right-hand thread structure for driving mandrel to move relative to right slips.
The equal guiding movement of left and right slips is assemblied on mandrel, on mandrel, spiral is provided with left and right pushing tow nut, left-hand thread structure includes the female thread being arranged on left pushing tow nut and the external screw thread being arranged on mandrel, and right-hand thread structure includes the female thread being arranged on right pushing tow nut and the external screw thread being arranged on mandrel.
On left pushing tow nut spiral be provided with axis along left pushing tow nut radially extend for the jackscrew with the press-fit of mandrel top.
Mandrel is the tubular structure that centre is thick, two ends are thin, and left and right pushing tow nut is separately positioned on the left and right sides of the interlude of mandrel.
Left pushing tow structure includes that spiral is arranged on the left cone of the left end of mandrel, and left cone has the tapered outer circumferential surfaces of increasing diameter from right to left, and tapered outer circumferential surfaces coordinates with the slips lobe pushing tow of left slips.
A kind of oil pipe connector of the present utility model, including a left side, right slips and a left side, right pushing tow structure, in use, left slips is inserted in left oil pipe, right slips is inserted in right oil pipe, left-hand thread structure drives mandrel to move relative to left slips, in moving process, left pushing tow structure coordinates with the slips lobe pushing tow of left slips, the slips lobe promoting left slips expands outwardly so that the slips lobe swelling of left slips is assemblied in left oil pipe, complete the left end of oil pipe connector and the connection of left oil pipe, same, right-hand thread structure drives mandrel to move relative to right slips, in moving process, right pushing tow structure coordinates with the slips lobe pushing tow of right slips, the slips lobe promoting right slips expands outwardly so that the slips lobe swelling of right slips is assemblied in right oil pipe, complete the right-hand member of oil pipe connector and the connection of right oil pipe.This completes the connection work of oil pipe connector and left and right oil pipe, must be for welding processing in this set hinge structure, it is possible to reduce the cost of labor of processing and manufacturing, it is to avoid well head such as is got angry at the security risk.And owing to just driving left and right slips moving relative to mandrel with left and right helicitic texture, execute-in-place is convenient, saving of work and time.Meanwhile, it is assemblied in the oil pipe of correspondence by left and right slips swelling, increases the pressure between the inwall of corresponding oil pipe, and then increase and the frictional force of corresponding oil pipe, this provides for improved torque resistant performance and bonding strength, increase the security reliability of connection.
Accompanying drawing explanation
Fig. 1 be embodiment 1 oil piping system in the assembling schematic diagram of oil pipe connector and left and right oil pipe.
In figure, each reference is entitled: 1 left oil pipe, 2 right oil pipes, 3 sealing rings, 4 left limit jackscrews, 5 mandrels, 6 right pushing tow nuts, 7 right cones, 8 left slips, 9 right slips, 10 left cones.
Detailed description of the invention
This utility model provides the embodiment 1 of a kind of oil piping system: a kind of oil piping system includes the spaced left oil pipe 1 in left and right, right oil pipe 2, also include going here and there the oil pipe connector being located between left and right oil pipe, oil pipe connector includes the mandrel 5 that length extends in left-right direction, the left end of mandrel is arranged with left slips 8, the right-hand member of mandrel is arranged with right slips 9, and left slips, right slips guiding movement the most in left-right direction are assemblied on mandrel.
In the present embodiment, above-mentioned mandrel is the tubular structure that centre is thick, two ends are thin, and the endoporus of mandrel forms the oily passage connecting left and right oil pipe.
The structure of left and right slips is identical, it is illustrated as a example by left slips, left slips has the ring-type construction section extended in left-right direction for the axis coordinated with the left side path section plug-in mounting of mandrel, the left end of ring-type construction section is provided with three axis around ring-type construction section and is spaced the slips lobe laid, after left slips is arranged on mandrel, three slips lobes are laid around the left side path section circumference of mandrel.Certainly, in other embodiments, the quantity of slips lobe can also is that more than two or three.
The ring-type construction section of right slips coordinates with the right side path section plug-in mounting of mandrel, and the slips lobe of installation rear left and right slips mutually deviates from, and lays respectively at the left and right sides of the interlude of mandrel.
For being equipped with cog shape concaveconvex structure on the side of corresponding tube inner wall top press-fit on each slips lobe, to increase the frictional force between slips lobe and tube inner wall, improve the bonding strength of each slips and corresponding oil pipe, improve security reliability.
Above-mentioned mandrel is provided with left pushing tow structure and right pushing tow structure.When left slips moves to left, left pushing tow structure coordinates with the slips lobe pushing tow of left slips and promotes the slips lobe of left slips to expand outwardly so that the slips lobe swelling of left slips is assemblied in left oil pipe, when right slips moves to right, right pushing tow structure coordinates with the slips lobe pushing tow of right slips and promotes the slips lobe of right slips to expand outwardly so that the slips lobe swelling of right slips is assemblied in right oil pipe.In the present embodiment, left pushing tow structure is identical with the structure of right pushing tow structure, it is illustrated as a example by left pushing tow structure, left pushing tow structure includes the left cone 10 that spiral is arranged in the left side path section of mandrel, left cone has the tapered outer circumferential surfaces of increasing diameter from right to left, and tapered outer circumferential surfaces coordinates with the slips lobe pushing tow of left slips.Certainly, in other embodiments, the hex nut that left pushing tow structure can also be arranged on mandrel for spiral, the outer peripheral face of hex nut coordinates with the slips lobe pushing tow of left slips.Right pushing tow structure can also use same structure.
Right pushing tow structure includes the right cone 7 that spiral is arranged in the right side path section of mandrel, and the structure of left and right cone is identical, and after installation, left and right cone is symmetrical set about the interlude of mandrel, and the diameter of the tapered outer circumferential surfaces of right cone is incremented by from left to right.
Above-mentioned oil pipe connector also includes the left-hand thread structure driving mandrel to move and the right-hand thread structure driving mandrel to move relative to right slips relative to left slips.In the present embodiment, the equal guiding movement of left and right slips is assemblied on mandrel, and in the left side path section of mandrel, spiral is provided with left pushing tow nut, and left pushing tow nut is between the interlude and left slips of mandrel.In the right side path section of mandrel, spiral is provided with right pushing tow nut 6, right pushing tow nut is between the interlude and right slips of mandrel, left-hand thread structure includes the female thread being arranged on left pushing tow nut and the external screw thread being arranged on mandrel, and right-hand thread structure includes the female thread being arranged on right pushing tow nut and the external screw thread being arranged on mandrel.
On left pushing tow nut, spiral is provided with left limit jackscrew 4, and the axis of left limit jackscrew radially extends along left pushing tow nut.On right pushing tow nut, spiral is provided with right limit jackscrew, and the axis of right limit jackscrew radially extends along right pushing tow nut.
Left pushing tow nut, right pushing tow nut outer peripheral face on be equipped with closure gasket groove, each closure gasket groove is equipped with sealing ring 3, left pushing tow nut, right pushing tow nut by corresponding sealing ring respectively sealing with the endoporus of left oil pipe, the endoporus of right oil pipe coordinate.
The present embodiment when mounted, is set with sealing ring on left and right pushing tow nut, left pushing tow nut, left slips is arranged in the left side path section of mandrel, the left cone of spinning, righter pushing tow nut, right slips is arranged in the right side path section of mandrel, the right cone of spinning.Just turning left pushing tow nut, the gap between left cone and left pushing tow nut is made to increase, moving right to provide and dodge space for left slips, move right left slips, make the diameter at lateral surface place of each slips lobe of left slips less than the endoporus of left oil pipe, the left end of oil pipe connector is inserted in left oil pipe.Then, invert left pushing tow nut, left pushing tow nut coordinates with left slips pushing tow, promoting left slips to be moved to the left, the slips lobe of left slips coordinates with left cone pushing tow, and the slips lobe of left slips expands outwardly until the slips lobe swelling of left slips is assemblied in left oil pipe, spinning left limit jackscrew, left limit jackscrew top is pressed on mandrel, prevents left pushing tow nut from moving left and right, and the connection work of left oil pipe and oil pipe connector left end completes.Same operating procedure, completes the connection work of right oil pipe and oil pipe connector left end.
This utility model provides the embodiment 2 of a kind of oil piping system: this is that embodiment is in place of the difference of embodiment 1: left pushing tow structure, right pushing tow structure, left-hand thread structure, right-hand thread structure and mandrel can also use other version, mandrel includes the left connection part of left and right setting, right connection part, left connection part is the major axis that left end is big, right-hand member is little, right connection part is the major axis that right-hand member is big, left end is little, and the left and right linkage section of mandrel is linked together by long nut with the path section threaded engagement of left and right linkage section respectively.Left pushing tow structure is the big footpath section of left connection part, and the shaft shoulder of big footpath section coordinates with the slips lobe pushing tow of left slips, and right pushing tow structure is the big footpath section of right connection part, and the left side shaft shoulder of right connection part coordinates with the slips lobe pushing tow of right slips.When mounted, the right-hand member top of left slips is pressed in the left end of long nut, the left end top of right slips is pressed in the right-hand member of long nut, keep long nut motionless, screw left connection part, the most left slips of left connection part is made to move right, left pushing tow structure coordinates with the slips lobe pushing tow of left slips and makes the slips lobe of left slips expand outwardly rear swelling and be assemblied in left oil pipe, screw right connection part, making the rightest slips of right connection part be moved to the left, right pushing tow structure coordinates with the slips lobe pushing tow of right slips and makes the slips lobe of right slips expand outwardly rear swelling and be assemblied in right oil pipe.Left-hand thread structure includes the female thread being arranged on long nut and the external screw thread being arranged in the path section of left connection part, and right-hand thread structure includes the female thread being arranged on long nut and the external screw thread being arranged in the path section of right connection part.
This utility model provides the embodiment 3 of a kind of oil piping system: this is that embodiment is in place of the difference of embodiment 1: above-mentioned left-hand thread structure, right-hand thread structure and mandrel can also use other version, as mandrel includes the left connection part of left and right setting, right connection part, left and right linkage section is the round tube shape structure that axis extends in left-right direction, and left and right linkage section is linked together by the long nut of threaded engagement equal with left and right linkage section.On left connection part, the left side spiral in long nut is provided with left cone, and the diameter of the tapered outer circumferential surfaces of left cone is incremented by from left to right, and on right connection part, the right side spiral in long nut is provided with right cone, and the diameter of the tapered outer circumferential surfaces of right cone is incremented by from right to left.Left slips spiral is arranged on left connection part, right slips spiral is arranged on right connection part, left-hand thread structure includes the female thread being arranged on left slips and the external screw thread being arranged on left connection part, and right-hand thread structure includes the female thread being arranged on right slips and the external screw thread being arranged on right connection part.When mounted, the slips lobe of left and right slips is oppositely arranged, it is illustrated as a example by the left end of oil pipe connector is installed, after left slips is inserted in left oil pipe, rotate left connection part, left slips maintains static under the frictional force effect between the slips lobe and left tube inner wall of left slips, and left connection part drives the most left slips of left cone to be moved to the left, and left cone coordinates with the slips lobe pushing tow of left slips.
This utility model provides a kind of oil pipe connector, and its structure is consistent with the structure of above-mentioned oil pipe connector, does not repeats them here.
Claims (10)
1. an oil pipe connector, it is characterized in that: include the mandrel that length extends in left-right direction, two ends, the left and right correspondence of mandrel is arranged with all can mandrel moves left and right relatively a left side, right slips, each slips is respectively provided with at least two slips lobe around the circumference laying of mandrel, mandrel is provided with and expands outwardly for the slips lobe of the left slips of pushing tow when mandrel moves relative to left slips so that the slips lobe swelling of left slips is assemblied in the left pushing tow structure in corresponding left oil pipe, oil pipe connector also includes the left-hand thread structure for driving mandrel to move relative to left slips, mandrel is provided with and expands outwardly for the slips lobe of the right slips of pushing tow when mandrel moves relative to right slips so that the slips lobe swelling of right slips is assemblied in the right pushing tow structure in corresponding right oil pipe, oil pipe connector also includes the right-hand thread structure for driving mandrel to move relative to right slips.
A kind of oil pipe connector the most according to claim 1, it is characterized in that: the equal guiding movement of left and right slips is assemblied on mandrel, on mandrel, spiral is provided with left and right pushing tow nut, left-hand thread structure includes the female thread being arranged on left pushing tow nut and the external screw thread being arranged on mandrel, and right-hand thread structure includes the female thread being arranged on right pushing tow nut and the external screw thread being arranged on mandrel.
A kind of oil pipe connector the most according to claim 2, it is characterised in that: on left pushing tow nut spiral be provided with axis along left pushing tow nut radially extend for the jackscrew with the press-fit of mandrel top.
A kind of oil pipe connector the most according to claim 3, it is characterised in that: mandrel is the tubular structure that centre is thick, two ends are thin, and left and right pushing tow nut is separately positioned on the left and right sides of the interlude of mandrel.
5. according to a kind of oil pipe connector described in claim 1-4 any one, it is characterized in that: left pushing tow structure includes that spiral is arranged on the left cone of the left end of mandrel, left cone has the tapered outer circumferential surfaces of increasing diameter from right to left, and tapered outer circumferential surfaces coordinates with the slips lobe pushing tow of left slips.
null6. an oil piping system，Including a spaced left side, left and right、Right oil pipe，It is characterized in that: also include that string is located at a left side、Oil pipe connector between right oil pipe，Oil pipe connector includes the mandrel that length extends in left-right direction，Two ends, the left and right correspondence of mandrel is arranged with all can mandrel moves left and right relatively a left side、Right slips，Left slips is inserted in left oil pipe，Right slips is inserted in right oil pipe，Each slips is respectively provided with at least two slips lobe around the circumference laying of mandrel，Mandrel is provided with and expands outwardly for the slips lobe of the left slips of pushing tow when mandrel moves relative to left slips so that the slips lobe swelling of left slips is assemblied in the left pushing tow structure in corresponding left oil pipe，Oil pipe connector also includes the left-hand thread structure for driving mandrel to move relative to left slips，Mandrel is provided with and expands outwardly for the slips lobe of the right slips of pushing tow when mandrel moves relative to right slips so that the slips lobe swelling of right slips is assemblied in the right pushing tow structure in corresponding right oil pipe，Oil pipe connector also includes the right-hand thread structure for driving mandrel to move relative to right slips.
A kind of oil piping system the most according to claim 6, it is characterized in that: the equal guiding movement of left and right slips is assemblied on mandrel, on mandrel, spiral is provided with left and right pushing tow nut, left-hand thread structure includes the female thread being arranged on left pushing tow nut and the external screw thread being arranged on mandrel, and right-hand thread structure includes the female thread being arranged on right pushing tow nut and the external screw thread being arranged on mandrel.
A kind of oil piping system the most according to claim 7, it is characterised in that: on left pushing tow nut spiral be provided with axis along left pushing tow nut radially extend for the jackscrew with the press-fit of mandrel top.
A kind of oil piping system the most according to claim 8, it is characterised in that: mandrel is the tubular structure that centre is thick, two ends are thin, and left and right pushing tow nut is separately positioned on the left and right sides of the interlude of mandrel.
10. according to a kind of oil piping system described in claim 6-9 any one, it is characterized in that: left pushing tow structure includes that spiral is arranged on the left cone of the left end of mandrel, left cone has the tapered outer circumferential surfaces of increasing diameter from right to left, and tapered outer circumferential surfaces coordinates with the slips lobe pushing tow of left slips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620459614.0U CN205805434U (en) | 2016-05-19 | 2016-05-19 | A kind of oil pipe connector and use the oil piping system of this adapter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620459614.0U CN205805434U (en) | 2016-05-19 | 2016-05-19 | A kind of oil pipe connector and use the oil piping system of this adapter |
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| CN205805434U true CN205805434U (en) | 2016-12-14 |
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| CN201620459614.0U Active CN205805434U (en) | 2016-05-19 | 2016-05-19 | A kind of oil pipe connector and use the oil piping system of this adapter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140180A (en) * | 2019-12-30 | 2020-05-12 | 宋楚晗 | Continuous oil pipe connector |
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2016
- 2016-05-19 CN CN201620459614.0U patent/CN205805434U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140180A (en) * | 2019-12-30 | 2020-05-12 | 宋楚晗 | Continuous oil pipe connector |
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