CN217270798U

CN217270798U - Screw pump for oil extraction in oil field

Info

Publication number: CN217270798U
Application number: CN202220347323.8U
Authority: CN
Inventors: 冯咏; 徐爽; 李梦茜
Original assignee: Henan Qihao Industrial Co ltd
Current assignee: Henan Qihao Industrial Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-08-23
Anticipated expiration: 2032-02-21

Abstract

The utility model discloses a screw pump that oil field oil recovery used, include the base and install the pump body at the base top, the left side intercommunication of the pump body is fixed with into oil pipe, and the left side fixed mounting who advances oil pipe has the collar, and the left side fixed mounting of collar has the second ring, is equipped with the connecting pipe in the second ring, seted up the ring channel on the lateral wall of collar, the left side of ring channel is the opening setting, the ring channel internalization is provided with the sealing washer, and the right side fixed mounting of sealing washer has a plurality of rectangle poles, a plurality of rectangular channels have been seted up on the right side inner wall of ring channel. The utility model relates to a rationally, four fixture block of synchronous drive of being convenient for shrink inwards clamps with four draw-in grooves each other to can realize advancing the sealing connection between oil pipe and the connecting pipe fast, improve the efficiency that advances oil pipe and connecting pipe and be connected, under sealing washer and compression spring's the mating reaction, improve and advance the leakproofness of being connected between oil pipe and the connecting pipe, satisfy the user demand.

Description

Screw pump for oil extraction in oil field

Technical Field

The utility model relates to a screw pump technical field especially relates to a screw pump of oil field oil recovery usefulness.

Background

The screw pump is applied to a thick oil well, a sand production well, a gas-containing well, an inclined well and a horizontal well, has obvious effects of avoiding phenomena of sand blocking, breaking and falling of a pumping rod, rod blocking and the like caused by sand production, is suitable for discharging thick liquid and solid-phase-containing liquid, and has uniform and stable flow; present oil field is screw pump for oil recovery, its be not convenient for realize with the quick sealing connection of connecting pipe, the mode that current most adopted a plurality of bolts and flange threaded connection realizes being connected between the connecting pipe and the pump body, the installation wastes time and energy, it is lower to connect the installation effectiveness, can not satisfy the user demand, therefore we have proposed a screw pump for oil recovery in oil field is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a screw pump for oil extraction in oil field.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a screw pump for oil extraction in oil field comprises a base and a pump body arranged on the top of the base, wherein the left side of the pump body is communicated and fixed with an oil inlet pipe, the left side of the oil inlet pipe is fixedly provided with a mounting ring, the left side of the mounting ring is fixedly provided with a second ring, a connecting pipe is arranged in the second ring, the side wall of the mounting ring is provided with an annular groove, the left side of the annular groove is provided with an opening, a sealing ring is movably arranged in the annular groove, the right side of the sealing ring is fixedly provided with a plurality of rectangular rods, the left side of the sealing ring extends into the second ring and is movably contacted with the right end of the connecting pipe, the inner wall of the right side of the annular groove is provided with a plurality of rectangular grooves, the rectangular rods extend into the corresponding rectangular grooves in a sliding manner, the right side of the sealing ring is fixedly connected with a plurality of compression springs in a compression state, and the right ends of the compression springs are fixedly connected with the inner wall of the right side of the annular groove, the compression spring is sleeved on the corresponding rectangular rod, the first circular ring is rotatably installed on the outer side of the second circular ring, four nuts are annularly and rotatably installed on the outer side of the second circular ring, the two opposite nuts are symmetrically arranged, the threaded rod is sleeved in the nut, one ends, close to each other, of the two opposite threaded rods extend into the second circular ring and are fixedly provided with clamping blocks, four clamping grooves which are mutually clamped with the corresponding clamping blocks are annularly formed in the outer side of the connecting pipe, bevel gears are fixedly sleeved on the outer sides of the nuts and are symmetrically arranged, the bevel gear rings which are mutually meshed with the four bevel gears are sleeved on the second circular ring, rectangular blocks are fixedly installed on the left side and the right side of each clamping block, a plurality of L-shaped guide rods are annularly and fixedly installed on the inner wall of the second circular ring, the two L-shaped guide rods which are symmetrically arranged on the left side and the right side, the threaded rod is positioned between the two corresponding L-shaped guide rods, and the rectangular block is sleeved on the corresponding L-shaped guide rods in a sliding manner.

Preferably, a first bearing is fixedly mounted on the side wall of the first circular ring, an inner ring of the first bearing is fixedly sleeved with the outer side of the second circular ring, and a plurality of handles are fixedly mounted on the outer side of the first circular ring in an annular manner.

Preferably, the outer side of the nut is fixedly sleeved with a second bearing, and the outer side of the outer ring of the second bearing is fixedly mounted with the outer side of the second ring.

Preferably, one side of the rectangular block is provided with a guide hole, and the inner wall of the guide hole is in sliding contact with the outer side of the corresponding L-shaped guide rod.

Preferably, the outer side of the seal ring is in close contact with the inner outer side wall of the annular groove.

Preferably, the outer side of the umbrella-shaped gear ring is annularly and fixedly provided with a plurality of connecting rods, and one ends of the two opposite connecting rods, which are far away from each other, are fixedly connected with the inner wall of the first circular ring.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to a rationally, four fixture block of synchronous drive of being convenient for shrink inwards clamps with four draw-in grooves each other to can realize advancing the sealing connection between oil pipe and the connecting pipe fast, improve the efficiency that advances oil pipe and connecting pipe and be connected, under sealing washer and compression spring's the mating reaction, improve and advance the leakproofness of being connected between oil pipe and the connecting pipe, satisfy the user demand.

Drawings

Fig. 1 is a schematic structural diagram of a screw pump for oil recovery in an oil field according to the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is an enlarged structural view of a portion B in fig. 3.

In the figure: 100. a base; 101. a pump body; 1. an oil inlet pipe; 2. a connecting pipe; 3. a rectangular groove; 4. a rectangular bar; 5. a compression spring; 6. a card slot; 7. a clamping block; 8. a threaded rod; 9. an L-shaped guide bar; 10. a first circular ring; 11. a second circular ring; 12. a seal ring; 13. a mounting ring; 14. an umbrella-shaped gear ring; 15. a bevel gear; 16. a nut; 17. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a screw pump for oil extraction in oil field comprises a base 100 and a pump body 101 installed on the top of the base 100, wherein an oil inlet pipe 1 is communicated and fixed on the left side of the pump body 101, an installation ring 13 is fixedly installed on the left side of the oil inlet pipe 1, a second ring 11 is fixedly installed on the left side of the installation ring 13, a connecting pipe 2 is arranged in the second ring 11, an annular groove is formed in the side wall of the installation ring 13, the left side of the annular groove is provided with an opening, a sealing ring 12 is movably arranged in the annular groove, a plurality of rectangular rods 4 are fixedly installed on the right side of the sealing ring 12, the left side of the sealing ring 12 extends into the second ring 11 and is movably contacted with the right end of the connecting pipe 2, a plurality of rectangular grooves 3 are formed on the inner wall of the right side of the annular groove, the rectangular rods 4 slidably extend into the corresponding rectangular grooves 3, and a plurality of compression springs 5 in a compression state are fixedly connected on the right side of the sealing ring 12, the right end of a compression spring 5 is fixedly connected with the right inner wall of the annular groove, the compression spring 5 is sleeved on a corresponding rectangular rod 4, a first annular ring 10 is rotatably installed on the outer side of a second annular ring 11, four nuts 16 are rotatably installed on the outer side of the second annular ring 11 in an annular manner, two opposite nuts 16 are symmetrically arranged, threaded rods 8 are sleeved in the nuts 16, one ends, close to each other, of the two opposite threaded rods 8 extend into the second annular ring 11 and are fixedly provided with clamping blocks 7, a circular installation hole for the threaded rod 8 to penetrate through is formed in the outer side of the second annular ring 11, four clamping grooves 6 which are clamped with the corresponding clamping blocks 7 are annularly formed in the outer side of a connecting pipe 2, bevel gears 15 are fixedly sleeved on the outer sides of the nuts 16, two opposite bevel gears 15 are symmetrically arranged, and bevel gear rings 14 which are mutually meshed with the four bevel gears 15 are sleeved on the second annular ring 11, the equal fixed mounting in left side and the right side of fixture block 7 has the rectangular block, is annular fixed mounting on the inner wall of second ring 11 and has a plurality of L shape guide bars 9, controls two relative L shape guide bar 9 symmetry settings, and threaded rod 8 is located between two corresponding L shape guide bars 9, and the rectangular block slip cap is established on corresponding L shape guide bar 9, the utility model relates to a rationally, four fixture block 7 of synchronous drive of being convenient for shrink each other with four draw-in grooves 6 and clamp to can realize fast into the sealing connection between oil pipe 1 and the connecting pipe 2, improve into the efficiency that oil pipe 1 and connecting pipe 2 are connected, under sealing washer 12 and compression spring 5's the mating reaction, improve into the leakproofness of being connected between oil pipe 1 and the connecting pipe 2, satisfy the user demand.

In the utility model, a first bearing is fixedly arranged on the side wall of a first ring 10, the inner ring of the first bearing is fixedly sleeved with the outer side of a second ring 11, a plurality of handles are fixedly arranged on the outer side of the first ring 10 in an annular manner, a second bearing is fixedly sleeved on the outer side of a nut 16, the outer side of the outer ring of the second bearing is fixedly arranged with the outer side of the second ring 11, a guide hole is arranged on one side of a rectangular block, the inner wall of the guide hole is in sliding contact with the outer side of a corresponding L-shaped guide rod 9, the outer side of a seal ring 12 is in tight contact with the inner side wall of a ring groove, a plurality of connecting rods 17 are fixedly arranged on the outer side of an umbrella-shaped gear ring 14 in an annular manner, one ends of two opposite connecting rods 17 which are far away from each other are fixedly connected with the inner wall of the first ring 10, the utility model has reasonable design, and is convenient for synchronously driving four clamping blocks 7 to shrink inwards and clamp with four clamping grooves 6, thereby being capable of quickly realizing the sealing connection between an oil inlet pipe 1 and a connecting pipe 2, the efficiency of advancing oil pipe 1 and being connected with connecting pipe 2 is improved, under the mating reaction of sealing washer 12 and compression spring 5, improve the leakproofness of being connected between advancing oil pipe 1 and the connecting pipe 2, satisfy the user demand.

The working principle is as follows: when the device is used, the connecting pipe 2 and the oil inlet pipe 1 are in an uninstalled state at the moment, the compression spring 5 is in an uncompressed state, when the device is installed, the connecting pipe 2 is pushed rightwards to be inserted into the second ring 11 and to be contacted with the left side of the sealing ring 12, meanwhile, the sealing ring 12 pushes the rectangular rod 4 to move rightwards in the corresponding rectangular groove 3 and to compress the corresponding compression spring 5, then the handle can be rotated forwards, the handle drives the first ring 10 to rotate forwards, the first ring 10 drives the bevel gear ring 14 to rotate through the connecting rods 17, the bevel gear ring 14 drives the four bevel gears 15 which are meshed with the bevel gear ring to rotate, the bevel gears 15 drive the corresponding nuts 16 to rotate, and as the two opposite bevel gears 15 are symmetrically arranged, the rotating directions of the two opposite nuts 16 are opposite, the two opposite nuts 16 rotate and drive the two opposite threaded rods 8 to move towards the directions which are close to each other, threaded rod 8 drives fixture block 7 that corresponds and removes in draw-in groove 6 and clamps each other with draw-in groove 6, realize fixing fixture block 7 under threaded rod 8 and nut 16 self screw thread auto-lock power that corresponds, thereby realize fixed the connection to connecting pipe 2, after fixing connecting pipe 2, the elasticity of compressed compression spring 5 can give sealing washer 12 a left power of tightening all the time, and then make sealing washer 12 closely laminate with the right-hand member of connecting pipe 2 all the time, improve its seal stability, make four fixture block 7 of synchronous drive of being convenient for shrink each other with four draw-in grooves 6 and clamp, thereby can realize fast into the sealing connection between oil pipe 1 and the connecting pipe 2, improve the efficiency that oil pipe 1 and connecting pipe 2 are connected, under sealing washer 12 and compression spring 5's the mating reaction, improve the connection leakproofness of advancing between oil pipe 1 and the connecting pipe 2.

In the description of the present application, it should be noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected" and "connected" should be construed broadly, and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediary, and a communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A screw pump for oil extraction in an oil field comprises a base (100) and a pump body (101) installed at the top of the base (100), and is characterized in that the left side of the pump body (101) is communicated with and fixed with an oil inlet pipe (1), the left side of the oil inlet pipe (1) is fixedly provided with a mounting ring (13), the left side of the mounting ring (13) is fixedly provided with a second circular ring (11), a connecting pipe (2) is arranged in the second circular ring (11), the side wall of the mounting ring (13) is provided with a circular groove, the left side of the circular groove is provided with an opening, a sealing ring (12) is movably arranged in the circular groove, the right side of the sealing ring (12) is fixedly provided with a plurality of rectangular rods (4), the left side of the sealing ring (12) extends into the second circular ring (11) and is movably contacted with the right end of the connecting pipe (2), the inner wall of the right side of the circular groove is provided with a plurality of rectangular grooves (3), the rectangular rods (4) extend into the corresponding rectangular grooves (3) in a sliding manner, the right sides of the sealing rings (12) are fixedly connected with a plurality of compression springs (5) in a compression state, the right ends of the compression springs (5) are fixedly connected with the right inner walls of the annular grooves, the compression springs (5) are sleeved on the corresponding rectangular rods (4), the outer side of the second circular ring (11) is rotatably provided with a first circular ring (10), the outer side of the second circular ring (11) is rotatably provided with four nuts (16) in an annular manner, the two opposite nuts (16) are symmetrically arranged, threaded rods (8) are sleeved in the nuts (16), one ends, close to each other, of the two opposite threaded rods (8) extend into the second circular ring (11) and are fixedly provided with clamping blocks (7), the outer side of the connecting pipe (2) is annularly provided with four clamping grooves (6) which are clamped with the corresponding clamping blocks (7) mutually, the fixed cover in nut (16) outside is equipped with bevel gear (15), and two relative bevel gear (15) symmetries set up, the cover is equipped with umbrella-type ring gear (14) with four bevel gear (15) intermeshing on second ring (11), the equal fixed mounting in left side and the right side of fixture block (7) has the rectangular block, is annular fixed mounting on the inner wall of second ring (11) and has a plurality of L shape guide bars (9), controls two relative L shape guide bar (9) symmetries and sets up, and threaded rod (8) are located between two L shape guide bars (9) that correspond, and the sliding sleeve of rectangular block is established on L shape guide bar (9) that correspond.

2. A screw pump for oil extraction in oil field according to claim 1, characterized in that the side wall of the first ring (10) is fixedly provided with a first bearing, the inner ring of the first bearing is fixedly sleeved with the outer side of the second ring (11), and the outer side of the first ring (10) is annularly and fixedly provided with a plurality of handles.

3. A screw pump for oil recovery in oil field according to claim 1, characterized in that the outer side of said nut (16) is fixedly sleeved with a second bearing, the outer side of the outer ring of which is fixedly mounted with the outer side of the second ring (11).

4. A screw pump for oil recovery in oil fields according to claim 1, characterized in that one side of said rectangular block is provided with a guiding hole, the inner wall of which is in sliding contact with the outer side of the corresponding L-shaped guiding rod (9).

5. A screw pump for oil recovery in oil fields according to claim 1, wherein the outside of the sealing ring (12) is in close contact with the inside outside wall of the annular groove.

6. A screw pump for oil recovery in oil fields according to claim 1, characterized in that a plurality of connecting rods (17) are fixedly mounted on the outer side of the umbrella-shaped gear ring (14) in a ring shape, and the ends of the two opposite connecting rods (17) far away from each other are fixedly connected with the inner wall of the first ring (10).