阅读说明：本技术 一种油田特殊扣油管短接 (Oil field special buckle oil pipe short joint ) 是由 肖云东 于 2020-06-23 设计创作，主要内容包括：本发明涉及油管短接技术领域,且公开了一种油田特殊扣油管短接,包括外管和内管,所述外管的两端均固定连接有密封圈,所述外管内腔的右端的内壁上设有内螺纹,所述内管的左端固定连接有连接手柄,所述内管的右端固定连接有连接管。该油田特殊扣油管短接,通过密封圈的设置,增加了该油管短接与其相连接的油管之间的密封性,可以防止液体的泄露,便于该油管短接及油管输送液体,通过卡扣与卡槽的设置,卡扣与卡槽相卡接的过程中,弹簧处于拉伸的状态,弹簧的回弹力拉动与该油管短接相连的油管向油管短接中部的方向移动,该油管短接与油管之间连接的更紧密,可以有效防止液体的泄露,提高了油管之间连接的可靠性。(The invention relates to the technical field of oil pipe short circuits and discloses an oil pipe short circuit specially buckled in an oil field. This oil pipe short circuit is detained in oil field special, setting through the sealing washer, the leakproofness between this oil pipe short circuit and its oil pipe that is connected has been increased, can prevent revealing of liquid, be convenient for this oil pipe short circuit and tubing conveyed liquid, setting through buckle and draw-in groove, the in-process of buckle and draw-in groove looks joint, the spring is in tensile state, the resilience force pulling of spring removes to the direction at oil pipe short circuit middle part with the oil pipe that this oil pipe short circuit links to each other, it is inseparabler to be connected between this oil pipe short circuit and the oil pipe, can effectively prevent revealing of liquid, the reliability of connecting between the oil pipe has been improved.)

1. The utility model provides a special oil pipe short circuit of detaining in oil field, includes outer tube (1) and inner tube (6), its characterized in that: the equal fixedly connected with sealing washer (2) in both ends of outer tube (1), be equipped with internal thread (10) on the inner wall of the right-hand member of outer tube (1) inner chamber, the left end fixedly connected with of inner tube (6) connects handle (5), the right-hand member fixedly connected with connecting pipe (7) of inner tube (6), the terminal outer lane of connecting pipe (7) is equipped with external screw thread (8), external screw thread (8) and internal thread (10) looks adaptation, the other end fixedly connected with spacing collar of connecting pipe (7), the sealed pad (9) of outside fixedly connected with of spacing collar, and evenly be equipped with fixed orifices (20) on the spacing collar.

2. The oilfield special oil pipe short joint according to claim 1, wherein: the lateral wall of inner tube (6) evenly is equipped with liquid business turn over hole, the left end of outer tube (1) is the one end that liquid got into, the right-hand member of outer tube (1) is the one end that liquid flows out.

3. The oilfield special oil pipe short joint according to claim 1, wherein: the both ends of outer tube (1) all are equipped with fixed slot (3), all be equipped with the screw thread on the lateral wall of the inner chamber of fixed slot (3), the bottom of fixed slot (3) inner chamber of outer tube (1) right-hand member evenly is equipped with fixed orifices (20), fixed orifices (20) female connection has bolt (11), just the length weak point of bolt (11) is in the total degree of depth of two fixed orifices (20) that coincide mutually.

4. The oilfield special oil pipe short joint according to claim 1, wherein: the left end fixedly connected with baffle (4) of outer tube (1) inner chamber, baffle (4) are located the inboard of fixed slot (3), the middle part of baffle (4) is equipped with the hole, just connect handle (5) and hole swing joint, evenly be equipped with liquid inlet on baffle (4), torsion spring fixedly connected with interception board (12) is passed through to liquid inlet's inboard.

5. The oilfield special oil pipe short joint according to claim 1, wherein: the utility model discloses an outer tube (1) surface right-hand member, including outer tube (1), the equal fixedly connected with fixed recess in both sides (15) of fixed recess (15) inner chamber, the bottom fixedly connected with spring (16) of fixed recess (15) inner chamber, the other end of spring (16) extends to the outside of fixed recess (15), just the inner chamber swing joint of spring (16) and fixed recess (15), the other end fixedly connected with buckle (17) of spring (16), one side fixedly connected with torsional spring of buckle (17) inner chamber, the other end fixedly connected with movable rod (18) of torsional spring, the equal fixedly connected with draw-in groove in both sides (13) of outer tube (1) surface left end, the outside threaded connection of draw-in groove (13) has kelly (14), the inner chamber looks adaptation of kelly (14) and buckle (17), be connected with gasket (19) between kelly (14) and draw.

6. The oilfield special oil pipe short joint according to claim 1, wherein: the side wall of outer tube (1) is even double-deck, and it has insulation material to fill between the double-deck side wall, the surface of outer tube (1) scribbles the anticorrosion coating, with draw-in groove (13) of the equal fixedly connected with in both sides of the one end of the oil pipe of outer tube (1) right-hand member looks adaptation and buckle (17) of buckle (17) looks adaptation, with buckle (17) of the equal fixedly connected with in both sides of the one end of the oil pipe of outer tube (1) left end looks adaptation and draw-in groove (13) looks adaptation.

7. The oilfield special oil pipe short joint according to claim 5, wherein: the both ends in the inner chamber outside of buckle (17) are equal fixedly connected with stopper (21), and two stopper (21) are located the outside at the both ends of movable rod (18) respectively.

Technical Field

The invention relates to the technical field of oil pipe short circuits, in particular to an oil field special oil pipe short circuit.

Background

The oil pipe is a pipeline for transporting crude oil and natural gas from an oil-gas layer to the surface after drilling is finished, and is used for bearing pressure generated in the process of exploitation.

The both ends of current oil pipe short circuit all are equipped with the internal thread, when using, through the external screw thread on the oil pipe with the internal connection on the oil pipe short circuit can, because both ends are threaded connection, though stability, the convenience is better, but the leakproofness is lower relatively, in addition, oil pipe is vertical downwards, receive the effect of self weight, fall downwards easily, cause oil pipe short circuit and oil pipe's tip to appear the gap, crude oil extracts under the effect of pressure simultaneously, cause crude oil to flow to the oil pipe outside through the gap, lead to crude oil to leak, crude oil is when the extraction simultaneously, inside contains a large amount of paraffin, impurity such as pitch, extract together along with crude oil, lead to the purity of crude oil to reduce, and impurity meets cold easy condensation, form the solidified layer, be unfavorable for the subside of impurity, further influence the purification of crude oil.

Disclosure of Invention

Aiming at the defect of the existing oil field special oil pipe short circuit, the invention provides the oil field special oil pipe short circuit which has the advantages of convenience in connection, better sealing property and the like, and solves the problems in the background technology.

The invention provides the following technical scheme: the utility model provides an oil field is special detains oil pipe short circuit, includes outer tube and inner tube, the equal fixedly connected with sealing washer in both ends of outer tube, be equipped with the internal thread on the inner wall of the right-hand member of outer tube inner chamber, the left end fixedly connected with of inner tube connects the handle, the right-hand member fixedly connected with connecting pipe of inner tube, the terminal outer lane of connecting pipe is equipped with the external screw thread, external screw thread and internal thread looks adaptation, the other end fixedly connected with spacing collar of connecting pipe, the outside fixedly connected with of spacing collar is sealed fills up, and evenly is equipped with.

Preferably, the lateral wall of inner tube evenly is equipped with liquid business turn over hole, the left end of outer tube is the one end that liquid got into, the right-hand member of outer tube is the one end that liquid flows out.

Preferably, the both ends of outer tube all are equipped with the fixed slot, all be equipped with the screw thread on the lateral wall of the inner chamber of fixed slot, the bottom of the fixed slot inner chamber of outer tube right-hand member evenly is equipped with the fixed orifices, threaded connection has the bolt in the fixed orifices, just the length of bolt is shorter than the total degree of depth of two fixed orifices that coincide mutually.

Preferably, the left end fixedly connected with baffle of outer tube inner chamber, the baffle is located the inboard of fixed slot, the middle part of baffle is equipped with the hole, just connect handle and hole swing joint, evenly be equipped with liquid inlet on the baffle, torsion spring fixedly connected with interception board is passed through to liquid inlet's inboard.

Preferably, the equal fixedly connected with fixed recess in both sides of outer tube surface right-hand member, the bottom fixedly connected with spring of fixed recess inner chamber, the other end of spring extends to the outside of fixed recess, just the inner chamber swing joint of spring and fixed recess, the other end fixedly connected with buckle of spring, one side fixedly connected with torsional spring of buckle inner chamber, the other end fixedly connected with movable rod of torsional spring, the equal fixedly connected with draw-in groove in both sides of outer tube surface left end, the outside threaded connection of draw-in groove has the kelly, the inner chamber looks adaptation of kelly and buckle, be connected with the gasket between kelly and the draw-in groove.

Preferably, the lateral wall of outer tube is even double-deck, and it has insulation material to fill between the double-deck lateral wall, the surface of outer tube scribbles the anticorrosion coating, with the both sides of the oil pipe's of outer tube right-hand member looks adaptation both sides fixedly connected with the draw-in groove of buckle looks adaptation, with the both sides of the oil pipe's of outer tube left end looks adaptation both sides fixedly connected with the buckle of draw-in groove looks adaptation.

Preferably, the both ends in the inner chamber outside of buckle all fixedly connected with stopper, and two the stopper is located the outside at the both ends of movable rod respectively.

Compared with the existing oil field special oil pipe short joint, the invention has the following beneficial effects:

1. this oil pipe short circuit is detained in oil field special, setting through the sealing washer, the leakproofness between this oil pipe short circuit and its oil pipe that is connected has been increased, can prevent revealing of liquid, be convenient for this oil pipe short circuit and tubing conveyed liquid, setting through buckle and draw-in groove, the in-process of buckle and draw-in groove looks joint, the spring is in tensile state, the resilience force pulling of spring removes to the direction at oil pipe short circuit middle part with the oil pipe that this oil pipe short circuit links to each other, it is inseparabler to be connected between this oil pipe short circuit and the oil pipe, can effectively prevent revealing of liquid, the reliability of connecting between the oil pipe has been improved.

2. This oil field is special detains oil pipe short circuit, setting through baffle and interception board, can prevent that impurity in this oil pipe short circuit from producing outside this oil pipe short circuit of outflow, the setting of torsional spring, make the interception board when having liquid transportation, the interception board takes place the deflection under the extrusion of liquid, the liquid of carrying enters into the inner chamber of outer tube, when no liquid transportation, the interception board is got back to initial position department again under the effect of the resilience force of torsional spring, block up liquid inlet again by the interception board, the impurity of interception can not flow out in the outer tube, impurity is intercepted in this oil pipe short circuit.

Drawings

FIG. 1 is a schematic view of the interior of the structure of the present invention;

FIG. 2 is a schematic side view of a structural baffle of the present invention;

FIG. 3 is a schematic view of the outside of FIG. 1;

fig. 4 is a schematic top view of a card slot of the present invention.

In the figure: 1. an outer tube; 2. a seal ring; 3. fixing grooves; 4. a baffle plate; 5. a connecting handle; 6. an inner tube; 7. a connecting pipe; 8. an external thread; 9. a gasket; 10. an internal thread; 11. a bolt; 12. a interception plate; 13. a card slot; 14. a clamping rod; 15. fixing the groove; 16. a spring; 17. buckling; 18. a movable rod; 19. a gasket; 20. a fixing hole; 21. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an oil pipe short joint for oil field special buckle comprises an outer pipe 1 and an inner pipe 6, wherein both ends of the outer pipe 1 are fixedly connected with a sealing ring 2, the sealing performance between the oil pipe short joint and an oil pipe connected with the oil pipe short joint is increased by the arrangement of the sealing ring 2, the leakage of liquid can be prevented, the oil pipe short joint and the oil pipe can conveniently convey liquid, an inner thread 10 is arranged on the inner wall of the right end of the inner cavity of the outer pipe 1, a connecting handle 5 is fixedly connected with the left end of the inner pipe 6, the inner pipe 6 can be separated from the outer pipe 1 by the arrangement of the connecting handle 5, the right end of the inner pipe 6 can be separated from the right end of the outer pipe 1 by a user, the user can pour impurities intercepted outside the inner pipe 6 conveniently, the oil pipe short joint can be reused, resources are saved, external screw thread 8 and internal thread 10 looks adaptation, setting through internal thread 10 and external screw thread 8, can fix inner tube 6 on outer tube 1, the other end fixedly connected with spacing collar of connecting pipe 7, the sealed pad 9 of outside fixedly connected with of spacing collar, setting through sealed pad 9, can seal inner tube 6, prevent that liquid from flowing from the gap between internal thread 10 and the external screw thread 8, the leakproofness of this oil pipe short circuit has been increased, and evenly be equipped with fixed orifices 20 on the spacing collar, through fixed orifices 20, can be with bolt 11 fixed inner tube 6, it is more firm to make inner tube 6 can fix in outer tube 1, this oil pipe short circuit is in-process inner tube 6 that uses can not break away from with outer tube 1, the use of this oil pipe short circuit of being convenient for, the security of this oil pipe short circuit has been improved.

Wherein, the lateral wall of inner tube 6 evenly is equipped with liquid business turn over hole, the left end of outer tube 1 is the one end that liquid got into, the right-hand member of outer tube 1 is the one end of liquid outflow, setting through inner tube 6 and outer tube 1, this oil pipe short circuit can filter out the impurity in the liquid, the material that particle diameter is less than liquid business turn over hole enters into in the inner tube 6 in the liquid, these materials continue to be carried along oil pipe, the material that particle diameter is greater than liquid business turn over hole is intercepted in the outside of inner tube 6, the material that is intercepted stops in this oil pipe short circuit, this oil pipe short circuit filters out partly the impurity in the liquid, the quality of the liquid of carrying has been improved.

Wherein, the both ends of outer tube 1 all are equipped with fixed slot 3, all be equipped with the screw thread on the lateral wall of the inner chamber of fixed slot 3, the bottom of the 3 inner chambers of fixed slot of outer tube 1 right-hand member evenly is equipped with fixed orifices 20, 20 female connection in fixed orifices have bolt 11, and the length of bolt 11 is shorter than the total degree of depth of two fixed orifices 20 of coincidence mutually, through bolt 11, can fix inner tube 6, the fastness of inner tube 6 fixation has been improved, bolt 11 can hide in fixed orifices 20 simultaneously, can not influence this oil pipe short circuit and oil piping connection, the setting of fixed slot 3, make this oil pipe short circuit and oil piping connection more firm.

Wherein, the left end fixedly connected with baffle 4 of outer tube 1 inner chamber, baffle 4 is located the inboard of fixed slot 3, the middle part of baffle 4 is equipped with the hole, and connect handle 5 and hole swing joint, evenly be equipped with the liquid import on baffle 4, the inboard of liquid import is through torsional spring fixedly connected with interception board 12, through the setting of baffle 4 and interception board 12, can prevent that the impurity in this oil pipe short circuit from producing outside this oil pipe short circuit of outflow, the setting of torsional spring, make interception board 12 when having liquid transportation, interception board 12 takes place the deflection under the extrusion of liquid, the liquid of carrying enters into the inner chamber of outer tube 1, when no liquid transportation, interception board 12 is at initial position department again under the effect of the resilience power of torsional spring, interception board 12 blocks up the liquid import again, the impurity of interception in the outer tube 1 can not flow out, impurity is intercepted in this oil pipe short circuit.

Wherein, both sides of the right end of the surface of the outer tube 1 are fixedly connected with a fixed groove 15, the bottom of the inner cavity of the fixed groove 15 is fixedly connected with a spring 16, the other end of the spring 16 extends to the outer side of the fixed groove 15, the spring 16 is movably connected with the inner cavity of the fixed groove 15, the other end of the spring 16 is fixedly connected with a buckle 17, one side of the inner cavity of the buckle 17 is fixedly connected with a torsion spring, the other end of the torsion spring is fixedly connected with a movable rod 18, both sides of the left end of the surface of the outer tube 1 are fixedly connected with a clamping groove 13, the outer side of the clamping groove 13 is in threaded connection with a clamping rod 14, the buckle 17 is convenient to be fixed and separated from the clamping groove 13 through the clamping rod 14, the clamping rod 14 is matched with the inner cavity of the buckle 17, a gasket 19 is connected between the clamping rod 14 and the, the movable rod 18 deflects to the inboard of buckle 17, the inner chamber of buckle 17 is opened, kelly 14 enters into the inner chamber of buckle 17, when movable rod 18 does not have the restriction of external force, movable rod 18 gets back to initial position department again under the effect of the resilience force of torsional spring, the inner chamber of buckle 17 is stopped up, movable rod 18 intercepts in the outside of kelly 14, buckle 17 and draw-in groove 13 looks joint, the in-process of buckle 17 and draw-in groove 13 looks joint, spring 16 is in tensile state, the resilience force pulling of spring 16 and the oil pipe that this oil pipe short circuit links to each other move to the direction at oil pipe short circuit middle part, be connected between this oil pipe short circuit and the oil pipe inseparabler, can effectively prevent revealing of liquid, the reliability of connecting between the oil pipe has been improved.

Wherein, the lateral wall of outer tube 1 is even double-deck, and it has insulation material to fill between the double-deck lateral wall, through the setting of outer tube 1 lateral wall, the compressive property of this oil pipe short circuit has been improved, the life of this oil pipe short circuit has been prolonged, insulation material's packing, the influence of the liquid of carrying in this oil pipe short circuit of external temperature is reduced, prevent that the change of liquid temperature is too big to cause the change of the interior physical properties of liquid, improve the stability of liquid, the surface of outer tube 1 scribbles the anticorrosion coating, through the setting of anticorrosion coating, keep apart this oil pipe short circuit and external, prevent that the material in the external world from corroding this oil pipe short circuit, improve the life of this oil pipe short circuit, reduce the change frequency of this oil pipe short circuit, convenient to use person's use, the draw-in groove 13 with buckle 17 looks adaptation is all fixedly connected with the both sides of the, the two sides of one end of the oil pipe matched with the left end of the outer pipe 1 are fixedly connected with buckles 17 matched with the clamping grooves 13.

Wherein, the equal fixedly connected with stopper 21 in both ends in buckle 17's the inner chamber outside, and two stoppers 21 are located the outside at the both ends of movable rod 18 respectively, through stopper 21's setting, can prevent that movable rod 18 from taking place the antiport, cause buckle 17 and draw-in groove 13 to separate, have improved this oil pipe short circuit connection's reliability.

The working principle is as follows: when the oil pipe short connector is used, the oil pipe short connector is in threaded connection with an oil pipe which is matched with the oil pipe short connector, at the moment, a buckle 17 on the oil pipe short connector corresponds to a clamping groove 13, a user pulls the buckle 17 on the oil pipe short connector outwards to enable a movable rod 18 to extrude a clamping rod 14 on the oil pipe, the movable rod 18 deflects towards the inner side of the buckle 17, the inner cavity of the buckle 17 is opened, the clamping rod 14 enters the inner cavity of the buckle 17, when the movable rod 18 is not limited by external force, the movable rod 18 returns to the initial position again under the action of resilience force of a torsion spring, the inner cavity of the buckle 17 is blocked, the movable rod 18 is blocked at the outer side of the clamping rod 14, the buckle 17 is clamped with the clamping groove 13, in the process that the buckle 17 is clamped with the clamping groove 13, the spring 16 is in a stretching state, the resilience force of the spring 16 pulls the oil pipe connected with the oil pipe short connector, the liquid leakage can be effectively prevented, the connection reliability between oil pipes is improved, the buckle 17 on the other oil pipe is clamped with the clamping groove 13 on the oil pipe short joint by the same method, the oil pipe short joint is fixedly connected with the oil pipe, a user introduces liquid into the oil pipe, the interception plate 12 deflects under the extrusion of the liquid, the conveyed liquid enters the inner cavity of the outer pipe 1, substances with particle diameters smaller than the liquid inlet and outlet holes in the liquid enter the inner pipe 6, the substances are continuously conveyed along the oil pipe, the substances with particle diameters larger than the liquid inlet and outlet holes are intercepted on the outer side of the inner pipe 6, the intercepted substances stay in the oil pipe short joint, the oil pipe short joint filters part of impurities in the liquid, the quality of the conveyed liquid is improved, when no liquid is conveyed, the interception plate 12 returns to the initial position again under the action of the resilience force of the torsion spring, the intercepting plate 12 blocks a liquid inlet again, impurities intercepted in the outer pipe 1 cannot flow out, the impurities are intercepted in the oil pipe short circuit, if the impurities in the oil pipe short circuit need to be cleared, a user pulls the buckle 17 outwards to remove the clamping rod 14 on the clamping groove 13 clamped with the buckle 17, the buckle 17 is separated from the clamping groove 13, the other buckle 17 is separated from the other clamping groove 13 by using the same method, the user rotates the oil pipe short circuit, the oil pipe short circuit is separated from the oil pipe, the oil pipe short circuit is removed, the user removes the bolt 11 and rotates the connecting handle 5 to separate the right end of the inner pipe 6 from the right end of the outer pipe 1, the user pulls the connecting handle 5 outwards to drive the right end of the inner pipe 6 to be far away from the right end of the outer pipe 1, and the impurities intercepted in the outer pipe 1 are discharged from the right end of the outer pipe 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.