CN216665889U - Controllable bottom valve of pumping well tubular pump - Google Patents

Abstract

The utility model belongs to a controllable bottom valve of a pumping well tubular pump, which comprises a main pipe and a valve pipe, wherein a control structure is arranged between the main pipe and the valve pipe, and the control structure comprises: the connecting part is arranged between the main pipe and the valve pipe, and the valve part is arranged in the valve pipe.

Description

Controllable bottom valve of tubing pump of pumping well

Technical Field

The utility model belongs to the technical field of mechanical oil extraction equipment, and particularly relates to a controllable bottom valve of a tubing pump of an oil pumping well.

Background

In the prior art, a tubular pump is mainly used for lifting crude oil in an oil field, but a common tubular pump mainly comprises a pump barrel, a plunger, a bottom valve (a fixed valve, a traveling valve) and the like, but the conventional common bottom valve has low efficiency in oil pumps of horizontal wells and inclined wells, poor valve wear resistance and easy damage of a valve cover, and particularly, measures such as well washing, acidification, paraffin removal and the like cannot be performed after the pump is taken down, and oil drainage cannot be performed during operation. The fixed bottom valve of oil-well pump is mostly the check valve, and the fluid can only be from up flowing into the pump barrel down, and during special operations such as sand washing, well-flushing, need inject liquid downwards through oil pipe, and current oil-well pump bottom valve does not have the fluid injection function, can only play production string or replacement tubular column during special operations, and work load increases, and the operating cost increases.

SUMMERY OF THE UTILITY MODEL

In order to achieve the purpose, the utility model adopts the technical scheme that the controllable bottom valve of the pumping well tubular pump comprises a main pipe and a valve pipe, wherein a control structure is arranged between the main pipe and the valve pipe;

the control structure includes: a connecting portion and a valve portion;

the connecting portion is provided between the main pipe and the valve pipe, and the valve portion is provided in the valve pipe.

Preferably, the connecting portion includes: the outer thread ring, the limiting plate, the splicing groove, the splicing plate and the inner thread sleeve;

the outer thread ring is arranged on the side surface of the main pipe, the limiting plate is arranged on the side surface of the valve pipe, the splicing groove is formed in the inner side surface of the valve pipe, the splicing plate is arranged on the lower end surface of the main pipe, and the inner thread sleeve is connected to the valve pipe in a rotating and sleeving manner and is connected with the outer thread ring in a rotating and screwing manner.

Preferably, the valve portion includes: the device comprises a fixed rod, a round rod, a partition plate, an annular plate, a liquid hole, a valve block, a spring and a magnet ring;

the dead lever is fixed valve pipe internal surface, the round bar is fixed between the dead lever, the partition panel is fixed in the valve pipe, the annular plate sets up the relative two surfaces of partition panel, the liquid hole is opened the annular plate side surface, valve block activity suit is in on the round bar, the spring suit is in on the round bar, the magnet circle sets up the relative both ends face of valve block and on the dead lever.

Preferably, the right-angle positions of the upper end surface and the lower end surface of the valve block are both in arc transition.

Preferably, the valve block is connected with the round rod and the partition plate in a sealing and fitting manner.

Compared with the prior art, the utility model has the advantages and positive effects that the connection mode is used for fixing, the switch can be controlled by matching with the flow direction of liquid, manual adjustment is not needed, and the use is flexible and convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.

FIG. 1 is a schematic structural diagram of a controllable bottom valve of a tubing pump for pumping wells according to the present embodiment;

FIG. 2 is a partial enlarged view of a position limiting plate portion of the controllable foot valve of the tubular pump for oil pumping wells according to the present embodiment;

FIG. 3 is a partially enlarged view of a fluid hole portion of a controllable base valve of the tubing pump according to the present embodiment;

in the above figures, 1 is a main pipe; 2. a valve tube; 3. an external thread ring; 4. a limiting plate; 5. splicing grooves; 6. splicing plates; 7. an internally threaded sleeve; 8. fixing the rod; 9. a round bar; 10. a partition panel; 11. an annular plate; 12. a liquid hole; 13. a valve block; 14. a spring; 15. a magnetic ring.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

In the embodiment, as can be seen from fig. 1 to 3 of the specification, the scheme includes a main pipe 1 and a valve pipe 2, and a control structure is arranged between the main pipe 1 and the valve pipe 2;

the control structure includes: a connecting portion and a valve portion;

the connecting part is arranged between the main pipe 1 and the valve pipe 2, and the valve part is arranged in the valve pipe 2;

the connecting portion includes: the external thread ring 3, the limiting plate 4, the splicing groove 5, the splicing plate 6 and the internal thread sleeve 7;

the external thread ring 3 is arranged on the side surface of the main pipe 1, the limiting plate 4 is arranged on the side surface of the valve pipe 2, the splicing groove 5 is formed in the inner side surface of the valve pipe 2, the splicing plate 6 is arranged on the lower end surface of the main pipe 1, and the internal thread sleeve 7 is rotatably sleeved on the valve pipe 2 and is in screwed connection with the external thread ring 3;

the valve portion includes: the device comprises a fixed rod 8, a round rod 9, a partition plate 10, an annular plate 11, a liquid hole 12, a valve block 13, a spring 14 and a magnet ring 15;

the fixed rod 8 is fixed on the inner surface of the valve tube 2, the round rod 9 is fixed between the fixed rods 8, the partition plate 10 is fixed in the valve tube 2, the annular plates 11 are arranged on two opposite surfaces of the partition plate 10, the liquid holes 12 are formed in the side surfaces of the annular plates 11, the valve block 13 is movably sleeved on the round rod 9, the spring 14 is sleeved on the round rod 9, and the magnet rings 15 are arranged on two opposite end surfaces of the valve block 13 and the fixed rods 8;

the right angles of the upper end surface and the lower end surface of the valve block 13 are in circular arc transition, and the valve block 13 is connected with the round rod 9 and the partition plate 10 in a sealing and attaching mode.

When in specific use: the splice plate 6 of the main pipe 1 is inserted into the splice groove 5 of the valve pipe 2, then the internal thread sleeve 7 is screwed on the external thread ring 3, in the using process, when liquid is injected, the liquid flow downwards extrudes the valve block 13, the valve block 13 downwards moves to open the liquid hole 12 at the bottom, then the liquid flows through the liquid hole 12, and the valve block 13 is pushed and reset through the force of the spring 14 after the flow stops.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims (5)

1. A controllable bottom valve of a pumping well tubular pump comprises a main pipe (1) and a valve pipe (2), and is characterized in that a control structure is arranged between the main pipe (1) and the valve pipe (2);

the control structure includes: a connecting portion and a valve portion;

the connecting part is arranged between the main pipe (1) and the valve pipe (2), and the valve part is arranged in the valve pipe (2).

2. The bottom controllable valve of a tubing pump for a pumping well according to claim 1, wherein said connecting portion comprises: the outer thread ring (3), the limiting plate (4), the splicing groove (5), the splicing plate (6) and the inner thread sleeve (7);

the outer thread circle (3) sets up be responsible for (1) side surface, limiting plate (4) set up valve pipe (2) side surface, splice groove (5) are opened valve pipe (2) interior side surface, splice plate (6) set up be responsible for (1) terminal surface down, interior thread sleeve pipe (7) rotate the suit and are connected on valve pipe (2) and with outer thread circle (3) are twisted soon and are connected.

3. The controllable foot valve of a tubing pump for oil well according to claim 1, wherein said valve portion comprises: the device comprises a fixed rod (8), a round rod (9), a partition plate (10), an annular plate (11), a liquid hole (12), a valve block (13), a spring (14) and a magnet ring (15);

dead lever (8) are fixed valve pipe (2) internal surface, pole (9) are fixed between dead lever (8), partition panel (10) are fixed in valve pipe (2), annular plate (11) set up partition panel (10) two relative surfaces, liquid hole (12) are opened annular plate (11) side surface, valve piece (13) activity suit is in on pole (9), spring (14) suit is in on pole (9), magnet circle (15) set up valve piece (13) both ends face relatively and on dead lever (8).

4. The controllable foot valve of a tubing pump for an oil well according to claim 3, characterized in that the valve block (13) has circular arc transitions at right angles to both the upper and lower end surfaces.

5. A controllable foot valve for a pump well tubing pump according to claim 3, characterized in that the valve block (13) is sealingly attached to both the rod (9) and the partition plate (10).

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