CN202017604U

CN202017604U - High-efficiency oil well pump

Info

Publication number: CN202017604U
Application number: CN2011201002330U
Authority: CN
Inventors: 薛永伟; 罗杰
Original assignee: KELAMAYI YALONG PETROLEUM PUMP CO Ltd
Current assignee: KELAMAYI YALONG PETROLEUM PUMP CO Ltd
Priority date: 2011-04-08
Filing date: 2011-04-08
Publication date: 2011-10-26
Anticipated expiration: 2021-04-08

Abstract

The utility model discloses a high-efficiency oil well pump, which relates to the technical field of oil well pumps used in oil exploitation and comprises an eccentric synergistic pump cylinder assembly, a fixed valve, a traveling system and an auxiliary piston cylinder. The traveling system is mounted inside the eccentric synergistic pump cylinder assembly and capable of vertically moving along an axis of the eccentric synergistic pump cylinder assembly, and the eccentric synergistic pump cylinder assembly comprises an eccentric auxiliary pump cylinder, an eccentric delivery valve, an eccentric filling valve, an eccentric seat sealing cylinder, a middle connector, an eccentric sieve pipe, a flat type middle collar, a tubing pup joint and a thick-wall pump cylinder. The high-efficiency oil well pump is reasonable and compact in structure and convenient in use, and assists in discharging and filling oil during oil filling and discharging of a main pump cavity through the eccentric auxiliary pump cylinder, the eccentric delivery valve, the eccentric filling valve, the eccentric seat sealing cylinder and the auxiliary piston cylinder arranged above the pump cylinder, a pump constant is effectively increased, oil pumping efficiency and economic benefits are remarkably improved, and the high-efficiency oil well pump is applicable to exploitation of thin oil and thickened oil by a tubing pump, an oil well pump capable of pumping and delivering separately and an oil well pump capable of pumping separately and delivering mixedly.

Description

Efficient oil-well pump

Technical field

The utility model relates to the oil well pump technical field that petroleum production is used, and is a kind of efficient oil-well pump.

Background technique

The pump constant is meant that oil well pump does the Theoretical flowing capacity of 24 hours every days of oil well pump under the situation of 1 jig frequency and 1 meter stroke at per minute, at present as follows according to the maximum pump constant of the conventional tubing pump of GB/T 18607-2008 standard production: when pump directly was 31.75mm, the pump constant was 1.14 cubic metres of every days; When pump directly was 38.10mm, the pump constant was 1.64 cubic metres of every days; When pump directly was 44.45mm, the pump constant was 2.23 cubic metres of every days; When pump directly was 57.15mm, the pump constant was 3.69 cubic metres of every days.This constant is a theoretical value, and be the value that impossible reach under non-flowing situation, the upper chamber of existing conventional tubing pump and the oil pipe on its top are unimpeded all the time, the chamber that does not have sealing is to serve as that displacement configuration is advanced in sealing with the lower chambers that oil well pump is only arranged, and advances the structural limitations of oil extraction because of the pump barrel lower chambers, the upper chamber of pump barrel or lower chambers can only oil-feed or oil extractions in same stroke, therefore the pump constant is less, and pumping efficiency is lower, has influenced the oil recovery efficiency and the benefit in oil field.

Summary of the invention

The utility model provides a kind of efficient oil-well pump, has overcome the deficiency of above-mentioned prior art, and it can effectively solve the existing problem that the pump constant is less, pumping efficiency is lower that exists.

The technical solution of the utility model realizes by following measure: a kind of efficient oil-well pump comprises eccentric synergy pump barrel assembly, standing valve, traveling system and auxiliary plug tubular device; Traveling system is installed in eccentric synergy pump barrel assembly inside and can moves up and down along eccentric synergy pump barrel assembly axial direction, and eccentric synergy pump barrel assembly comprises eccentric auxiliary pump barrel, eccentric outlet valve, eccentric oiling valve, eccentric mounting envelope tube, transition joint, eccentric screen casing, the middle box cupling of flat, tubing nipple and heavy wall pump barrel; There is auxiliary pump barrel chamber the inside of eccentric auxiliary pump barrel, the eccentric tube that the upper-end surface left part of eccentric auxiliary pump barrel has the lower end to be connected with auxiliary pump barrel chamber is installed screw, eccentric tube connecting thread is arranged on the lower inner wall in auxiliary pump barrel chamber and be installed with eccentric outlet valve, the bottom of eccentric outlet valve is installed with eccentric oiling valve, there is fuel-displaced inclined to one side plunger hole eccentric outlet valve inside and is installed with eccentric mounting envelope tube, there is the inclined to one side plunger hole of oil-feed the inside of eccentric oiling valve and is installed with transition joint, the outer middle side part of transition joint is installed with the eccentric screen casing of outside band screen casing oilhole, the screen casing oilhole passes through the tube chamber of eccentric screen casing successively, the valve pocket of eccentric oiling valve, the valve pocket of eccentric outlet valve and the eccentric mounting envelope tube outside are installed screw with the annular space between the auxiliary pump barrel chamber with eccentric tube and are connected, the inwall bottom of transition joint is installed with tubing nipple, the outer lower portion of transition joint is installed with the heavy wall pump barrel by box cupling in the middle of the flat, and the bottom of tubing nipple is installed with standing valve; Traveling system comprises the anti-breaking fuel tap of deviating from, sealed plunger, internal thread plunger and bottom traveling valve, the top of sealed plunger is installed with the anti-breaking fuel tap of deviating from, the bottom of sealed plunger is installed with the internal thread plunger, the bottom of internal thread plunger is installed with the bottom traveling valve, the sealed plunger outer cover is equipped with auxiliary plug tubular device, can drive going up auxiliary plug tubular device that Mobile Communication crosses eccentric oiling valve and the oil pumping of eccentric outlet valve by the internal thread plunger, to be installed in eccentric mounting envelope tube inner, anti-breakingly deviate from the fuel tap lower end and be sitting on the auxiliary plug tubular device upper end, the outside, auxiliary plug tubular device middle part has and auxiliaryly sets platform and be sitting in eccentric mounting envelope tube upper end.

Be further optimization and/or improvements below to above-mentioned model utility technological scheme:

Above-mentioned eccentric outlet valve can comprise eccentric oil-release valve cover, eccentric delivery valve seat, eccentric fuel-displaced valve ball and eccentric fuel-displaced pressure ring; The outer upper of eccentric oil-release valve cover has screw thread on the eccentric fuel-displaced cover, the outer lower portion of eccentric oil-release valve cover has screw thread under the eccentric fuel-displaced cover, in the left part body of eccentric oil-release valve cover fuel-displaced inclined to one side plunger hole is arranged, seat tube retaining thread is arranged on the upper inside wall of fuel-displaced inclined to one side plunger hole, in the lower right part body of eccentric oil-release valve cover eccentric fuel-displaced valve pocket is arranged, the eccentric oil discharge passage that the upper-end surface right part of eccentric oil-release valve cover has the lower end to be connected with eccentric fuel-displaced valve pocket, the off-centre that the lower end surface right part of eccentric oil-release valve cover has the upper end to be connected with eccentric fuel-displaced valve pocket lower end goes out the font hole, the inwall bottom of eccentric fuel-displaced valve pocket has off-centre to go out the oil ring platform, and the inwall bottom that off-centre goes out the font hole has off-centre to go out the font screw thread; Eccentric oil-release valve cover is fixedly mounted on eccentric auxiliary pump barrel bottom by screw thread on the fuel-displaced cover of off-centre and eccentric tube connecting thread, and eccentric delivery valve seat is installed in off-centre and goes out in the font hole, and there is eccentric fuel-displaced block hole the inside of eccentric delivery valve seat; Eccentric fuel-displaced valve pocket inside be equipped with can on the eccentric fuel-displaced valve ball that moves, the bottom of eccentric fuel-displaced valve ball is sitting in eccentric fuel-displaced block hole upper end and keeps sealing; Off-centre goes out to go out the font screw thread by off-centre in the font hole eccentric fuel-displaced pressure ring is installed, and the upper-end surface of eccentric delivery valve seat is pressed on off-centre and goes out on the lower end surface of oil ring platform, and the lower end surface of eccentric delivery valve seat is pressed on the upper-end surface of eccentric fuel-displaced pressure ring; There is the outside threaded seat envelope tube axle journal eccentric mounting envelope tube bottom and is fixedly mounted in the fuel-displaced inclined to one side plunger hole by seat tube retaining thread, there is seat envelope tube chamber the inside of eccentric mounting envelope tube, the bottom in seat envelope tube chamber is connected with fuel-displaced inclined to one side plunger hole, on the middle part inwall in seat envelope tube chamber ring platform in the seat envelope tube is arranged.

Above-mentioned eccentric oiling valve can comprise eccentric oil-feed valve bonnet, eccentric oil-feed valve seat, eccentric oil-feed valve ball and eccentric oil-feed pressure ring; In the top body of eccentric oil-feed valve bonnet eccentric oil-feed epicoele is arranged, on the upper inside wall of eccentric oil-feed epicoele screw thread on the eccentric oil-feed cover is arranged, the inclined to one side plunger hole of oil-feed comprises oil-feed eccentric screwhole and oil-feed eccentric through-hole, the lower end surface left part of eccentric oil-feed valve bonnet has the oil-feed eccentric screwhole, eccentric oil-feed epicoele lower end is connected by the oil-feed eccentric through-hole with oil-feed eccentric screwhole upper end, in the lower right part body of eccentric oil-feed valve bonnet eccentric oil-feed valve pocket is arranged, eccentric oil-feed valve pocket upper end is connected with eccentric oil-feed epicoele by the eccentric oil inlet hole that is no less than, the eccentric oil-feed seat hole that the lower end surface right part of eccentric oil-feed valve bonnet has the upper end to be connected with eccentric oil-feed valve pocket lower end, eccentric oil-feed ring platform is arranged at the inwall bottom of eccentric oil-feed valve pocket, and eccentric oil-feed seat screw thread is arranged at the inwall bottom in eccentric oil-feed seat hole; Eccentric oil-feed valve bonnet is fixedly mounted on eccentric oil-release valve cover bottom by screw thread under screw thread on the eccentric oil-feed cover and the eccentric fuel-displaced cover, and eccentric oil-feed valve seat is installed in the eccentric oil-feed seat hole, and there is eccentric oil-feed block hole the inside of eccentric oil-feed valve seat; Eccentric oil-feed valve pocket inside be equipped with can on the eccentric oil-feed valve ball that moves, the bottom of eccentric oil-feed valve ball is sitting in eccentric oil-feed block hole upper end and keeps sealing; Eccentric oil-feed seat is equipped with eccentric oil-feed pressure ring by eccentric oil-feed seat screw thread in the hole, and the upper-end surface of eccentric oil-feed valve seat is pressed on the lower end surface of eccentric oil-feed ring platform, and the lower end surface of eccentric oil-feed valve seat is pressed on the upper-end surface of eccentric oil-feed pressure ring.

Above-mentioned auxiliary plug tubular device can comprise sealing drum, sets axle, go up sealing cup, leather cup seat ring, lower seal leather cup, leather cup pressure cap, return jump ring and jump ring pressure cap; Sealing sleeve is contained in the sealed plunger outside, and the threaded envelope tube axle journal in the outside is arranged at the sealing drum bottom; The axle internal thread is arranged at the inner chamber top that sets axle, the upper outside that sets axle has the auxiliary platform that sets, there is the axle outside thread in the outside, bottom that sets axle, envelope tube axle journal is fixedly mounted on the inner chamber top that sets axle by the axle internal thread, set axle and be sitting in eccentric mounting envelope tube upper end by the auxiliary platform that sets, last sealing cup, the leather cup seat ring, the lower seal leather cup, the leather cup pressure cap, the return jump ring from top to bottom is sleeved on auxiliary the setting on the axle of platform below of setting successively, there is claw the upper end of return jump ring, the upper end of claw holds out against on the lower end surface of ring platform in the present envelope tube, the jump ring pressure cap is fixedly mounted on by the axle outside thread and sets the axle bottom, and the upper-end surface of jump ring pressure cap is pressed on the lower end surface of return jump ring.

Can there be the middle joint tube chamber inside of above-mentioned transition joint, the middle joint fixed groove can be arranged at the inwall bottom of middle joint tube chamber, the middle joint internal thread is arranged on the sidewall of middle joint fixed groove, there is the threaded middle joint axle journal in the outside on the top of transition joint and is fixedly mounted on oil-feed eccentric screwhole inside, there is the middle joint outside thread in the outside, middle part of transition joint, and there is screw thread under the middle joint in the outside, bottom of transition joint; In the top body of eccentric screen casing the screen casing chamber is arranged, the inner of screen casing oilhole is connected with the screen casing chamber, the lower end surface left part of eccentric screen casing has the screen casing eccentric screwhole, eccentric screen casing is fixedly mounted on the transition joint outside by screen casing eccentric screwhole and middle joint outside thread, and the upper-end surface of eccentric screen casing compresses the lower end surface of eccentric oil-feed valve bonnet; The upper inside wall of box cupling has screw thread on the middle box cupling in the middle of the flat, screw thread under the middle box cupling is arranged at the inwall bottom of box cupling in the middle of the flat, box cupling is fixedly mounted on the outside, transition joint bottom by screw thread under screw thread and the middle joint on the middle box cupling in the middle of the flat, the upper outside of heavy wall pump barrel has screw thread on the pump barrel, and the heavy wall pump barrel is fixedly mounted on the middle box cupling of flat bottom by screw thread under screw thread on the pump barrel and the middle box cupling; The top of tubing nipple has the outside to have axle journal on the pipe nipple of screw thread on the pipe nipple, and axle journal is fixedly mounted on middle joint tube chamber bottom by screw thread on the pipe nipple and middle joint internal thread on the pipe nipple, and tubing nipple is sleeved on heavy wall pump barrel inside.

Above-mentionedly anti-breakingly deviate from fuel tap and can comprise anti-breaking oil-release valve cover, anti-breaking delivery valve seat and anti-breaking fuel-displaced valve ball; Anti-breaking fuel-displaced cover chamber is arranged in the body of anti-breaking oil-release valve cover, there is fuel-displaced connection double-screw bolt the upper end of anti-breaking oil-release valve cover, the upper outside of anti-breaking oil-release valve cover has the inner oil outlet that is connected with anti-breaking fuel-displaced cover chamber, the anti-breaking fuel-displaced cover seat hole that has the upper end to be connected on the lower end surface of anti-breaking oil-release valve cover with lower end, anti-breaking fuel-displaced cover chamber, on the middle part inwall in anti-breaking fuel-displaced cover chamber oil duct is arranged, anti-breaking fuel-displaced shroud ring platform is arranged at the inwall bottom in anti-breaking fuel-displaced cover chamber, and anti-breaking fuel-displaced screw thread is arranged at the inwall bottom in anti-breaking fuel-displaced cover seat hole; Anti-breaking delivery valve seat is installed in the anti-breaking fuel-displaced cover seat hole, and there is anti-breaking fuel-displaced block hole the inside of anti-breaking delivery valve seat; Inside, anti-breaking fuel-displaced cover chamber be equipped with can on the anti-breaking fuel-displaced valve ball that moves, the bottom of anti-breaking fuel-displaced valve ball is sitting in anti-breaking fuel-displaced block hole upper end and keeps sealing; The lower end of anti-breaking oil-release valve cover is sitting on the sealing drum upper-end surface, the upper outside of sealed plunger has screw thread and is fixedly mounted on fuel-displaced cover seat inside, hole by anti-breaking fuel-displaced screw thread, the upper-end surface of delivery valve seat is pressed on the lower end surface of fuel-displaced shroud ring platform, the lower end surface of delivery valve seat is pressed on the upper-end surface of sealed plunger, and there is screw thread in the outside, the bottom of sealed plunger and is installed with the internal thread plunger.

Above-mentioned bottom traveling valve can comprise lower travelling valve cover, lower travelling valve seat, lower travelling valve ball and downstream dynamic head; The lower travelling valve enclosure is contained in tubing nipple inside and can moves up and down, there is the screwed valve bonnet axle journal down in the outside on the top of lower travelling valve cover and is fixedly mounted on internal thread plunger bottom by following valve bonnet axle journal, counterbore on the following valve bonnet is arranged on the upper-end surface of lower travelling valve cover, following valve bonnet chamber is arranged in the lower body of lower travelling valve cover, the following valve bonnet oilhole that has the lower end to be connected on the counterbore bottom surface on the following valve bonnet with following valve bonnet chamber, the following valve bonnet valve seat orifice that has the upper end to be connected on the lower end surface of lower travelling valve cover with lower end, following valve bonnet chamber, following valve bonnet ring platform is arranged at the inwall bottom in following valve bonnet chamber, and following valve bonnet retaining thread is arranged at the inwall bottom of following valve bonnet valve seat orifice; The lower travelling valve seat is installed in down in the valve bonnet valve seat orifice, and there is the lower valve base through hole inside of lower travelling valve seat; Inside, following valve bonnet chamber be equipped with can on the lower travelling valve ball that moves, the bottom of lower travelling valve ball is sitting in lower valve base through hole upper end and keeps sealing; Lower travelling valve cover bottom is equipped with the downstream dynamic head, the screwed push-down head axle journal in the outside is arranged at the top of downstream dynamic head, the push-down head axle journal is fixedly mounted on down valve bonnet valve seat orifice inside by following valve bonnet retaining thread, the upper-end surface of lower travelling valve seat is pressed on down on the lower end surface of valve bonnet ring platform, and the lower end surface of lower travelling valve seat is pressed on the upper-end surface of push-down head axle journal.

The said fixing valve can comprise standing valve cover, fixed valve base, fixed valve ball and fixing pressure head; Screw thread under the pipe nipple is arranged at the internal chamber wall bottom of tubing nipple, the screwed solid valve bonnet axle journal in the outside is arranged at the top of standing valve cover, Gu the valve bonnet axle journal is fixedly mounted on the tubing nipple bottom by screw thread under the pipe nipple, counterbore on the solid valve bonnet is arranged on the upper-end surface of standing valve cover, solid valve bonnet chamber is arranged in the lower body of standing valve cover, Gu the solid valve bonnet oilhole that has the lower end to be connected on the valve bonnet on the counterbore bottom surface with solid valve bonnet chamber, the solid valve bonnet valve seat orifice that has the upper end to be connected on the lower end surface of standing valve cover with solid lower end, valve bonnet chamber, Gu solid valve bonnet ring platform is arranged at the inwall bottom in valve bonnet chamber, Gu screw thread under the solid valve is arranged at the inwall bottom of valve bonnet valve seat orifice; Fixed valve base is installed in the solid valve bonnet valve seat orifice, and there is solid valve seat through-hole the inside of fixed valve base; Gu inside, valve bonnet chamber be equipped with can on the fixed valve ball that moves, the bottom of fixed valve ball is sitting in solid valve seat through-hole upper end and keeps sealing; The standing valve cover bottom is equipped with fixedly pressure head, fixedly the screwed solid pressure in an outside axle journal is arranged at the top of pressure head, a solid pressure axle journal is fixedly mounted on solid valve bonnet valve seat orifice inside by screw thread under the solid valve, the upper-end surface of fixed valve base is pressed on the lower end surface of solid valve bonnet ring platform, and the lower end surface of fixed valve base is pressed on the upper-end surface of a solid pressure axle journal.

The utility model reasonable and compact in structure, easy to use, the auxiliary pump barrel of its off-centre, eccentric outlet valve, eccentric oiling valve, eccentric mounting envelope tube and auxiliary plug tubular device auxiliary oil extraction and oil-feed in the process of the oil-feed of main pump chamber, oil extraction by the pump barrel top, can effectively improve the pump constant, significantly improve pumping efficiency and economic benefit, be applicable to that tubing pump, branch are taken out the defeated oil well pump of branch, branch is taken out the exploitation that mixes defeated oil well pump thin oil and viscous crude.

Description of drawings

Accompanying drawing 1 is looked the sectional structure schematic representation for the master of the utility model most preferred embodiment.

Accompanying drawing 2 is analysed and observe the structure for amplifying schematic representation for the first half of accompanying drawing 1.

Accompanying drawing 3 is analysed and observe the structure for amplifying schematic representation for the Lower Half of accompanying drawing 1.

Coding in the accompanying drawing is respectively: 1 is eccentric auxiliary pump barrel, and 2 are eccentric mounting envelope tube, and 3 are transition joint, 4 is eccentric screen casing, and 5 is box cupling in the middle of the flat, and 6 is tubing nipple, 7 is the heavy wall pump barrel, and 8 are auxiliary pump barrel chamber, and 9 is that eccentric tube is installed screw, 10 is eccentric tube connecting thread, and 11 is fuel-displaced inclined to one side plunger hole, and 12 is the screen casing oilhole, 13 is sealed plunger, and 14 is the internal thread plunger, and 15 are the auxiliary platform that sets, 16 is eccentric oil-release valve cover, and 17 is eccentric delivery valve seat, and 18 is eccentric fuel-displaced valve ball, 19 is eccentric fuel-displaced pressure ring, 20 is screw thread on the eccentric fuel-displaced cover, and 21 is screw thread under the eccentric fuel-displaced cover, and 22 is seat tube retaining thread, 23 is eccentric fuel-displaced valve pocket, 24 is eccentric oil discharge passage, and 25 for off-centre goes out the font hole, and 26 go out the oil ring platform for off-centre, 27 go out the font screw thread for off-centre, 28 is eccentric fuel-displaced block hole, and 29 is seat envelope tube axle journal, and 30 is seat envelope tube chamber, 31 is ring platform in the seat envelope tube, 32 is eccentric oil-feed valve bonnet, and 33 is eccentric oil-feed valve seat, and 34 is eccentric oil-feed valve ball, 35 is eccentric oil-feed pressure ring, 36 is eccentric oil-feed epicoele, and 37 is screw thread on the eccentric oil-feed cover, and 38 are the oil-feed eccentric screwhole, 39 are the oil-feed eccentric through-hole, 40 is eccentric oil-feed valve pocket, and 41 is eccentric oil inlet hole, and 42 is eccentric oil-feed seat hole, 43 is eccentric oil-feed ring platform, 44 is eccentric oil-feed seat screw thread, and 45 is eccentric oil-feed block hole, and 46 is sealing drum, 47 for setting axle, 48 is last sealing cup, and 49 is the leather cup seat ring, and 50 is the lower seal leather cup, 51 is the leather cup pressure cap, 52 is the return jump ring, and 53 is the jump ring pressure cap, and 54 are envelope tube axle journal, 55 is the axle internal thread, 56 is the axle outside thread, and 57 is claw, and 58 is the middle joint tube chamber, 59 is the middle joint internal thread, 60 is the middle joint axle journal, and 61 is the middle joint outside thread, and 62 is screw thread under the middle joint, 63 is the screen casing chamber, 64 is the screen casing eccentric screwhole, and 65 is screw thread on the middle box cupling, and 66 is screw thread under the middle box cupling, 67 is screw thread on the pump barrel, 68 is screw thread on the pipe nipple, and 69 is axle journal on the pipe nipple, and 70 is anti-breaking oil-release valve cover, 71 is anti-breaking delivery valve seat, 72 is anti-breaking fuel-displaced valve ball, and 73 is anti-breaking fuel-displaced cover chamber, and 74 is fuel-displaced connection double-screw bolt, 75 is oil outlet, 76 is anti-breaking fuel-displaced cover seat hole, and 77 is anti-breaking fuel-displaced shroud ring platform, and 78 is anti-breaking fuel-displaced screw thread, 79 is anti-breaking fuel-displaced block hole, 80 is the lower travelling valve cover, and 81 is the lower travelling valve seat, and 82 is the lower travelling valve ball, 83 is the downstream dynamic head, 84 are following valve bonnet axle journal, and 85 are counterbore on the valve bonnet down, and 86 are valve bonnet chamber down, 87 are following valve bonnet oilhole, 88 are following valve bonnet valve seat orifice, and 89 are valve bonnet ring platform down, and 90 are valve bonnet retaining thread down, 91 is the lower valve base through hole, 92 is the push-down head axle journal, and 93 is standing valve cover, and 94 is fixed valve base, 95 is fixed valve ball, 96 are fixing pressure head, and 97 be screw thread under the pipe nipple, and 98 is to consolidate the valve bonnet axle journal, 99 are counterbore on the solid valve bonnet, 100 are solid valve bonnet chamber, and 101 are solid valve bonnet oilhole, and 102 are solid valve bonnet valve seat orifice, 103 are solid valve bonnet ring platform, 104 are screw thread under the solid valve, and 105 are solid valve seat through-hole, and 106 are a solid pressure axle journal.

Embodiment

The utility model is not subjected to following embodiment's restriction, can determine concrete mode of execution according to the technical solution of the utility model and actual conditions.

In the utility model, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description is described, as: upper and lower, about etc. the position relation be what to determine according to the Butut direction of Figure of description.

Below in conjunction with most preferred embodiment and accompanying drawing the utility model is further described:

Shown in accompanying

drawing

1,2,3, this efficient oil-well pump comprises eccentric synergy pump barrel assembly, standing valve, traveling system and auxiliary plug tubular device; It is inner and can move up and down along eccentric synergy pump barrel assembly axial direction that traveling system is installed in eccentric synergy pump barrel assembly, and eccentric synergy pump barrel assembly comprises box cupling 5 in the middle of eccentric auxiliary pump barrel 1, eccentric outlet valve, eccentric oiling valve, eccentric mounting envelope tube 2, transition joint 3, eccentric screen casing 4, the flat, tubing nipple 6 and heavy wall pump barrel 7; There is auxiliary pump barrel chamber 8 inside of eccentric auxiliary pump barrel 1, the eccentric tube that the upper-end surface left part of eccentric auxiliary pump barrel 1 has the lower end to be connected with auxiliary pump barrel chamber 8 is installed screw 9, eccentric tube connecting thread 10 is arranged on the lower inner wall in auxiliary pump barrel chamber 8 and be installed with eccentric outlet valve, the bottom of eccentric outlet valve is installed with eccentric oiling valve, there is fuel-displaced inclined to one side plunger hole 11 eccentric outlet valve inside and is installed with eccentric mounting envelope tube 2, there is the inclined to one side plunger hole of oil-feed the inside of eccentric oiling valve and is installed with transition joint 3, transition joint 3 outer middle side parts are installed with the eccentric screen casing 4 of outside band screen casing oilhole 12, screen casing oilhole 12 passes through the tube chamber of eccentric screen casing 4 successively, the valve pocket of eccentric oiling valve, the valve pocket of eccentric outlet valve and eccentric mounting envelope tube 2 outsides are installed screw 9 with the annular space between the auxiliary pump barrel chamber 8 with eccentric tube and are connected, the inwall bottom of transition joint 3 is installed with tubing nipple 6, the outer lower portion of transition joint 3 is installed with heavy wall pump barrel 7 by box cupling 5 in the middle of the flat, and the bottom of tubing nipple 6 is installed with standing valve; Traveling system comprises the anti-breaking fuel tap of deviating from, sealed plunger 13, internal thread plunger 14 and bottom traveling valve, the top of sealed plunger 13 is installed with the anti-breaking fuel tap of deviating from, the bottom of sealed plunger 13 is installed with internal thread plunger 14, the bottom of internal thread plunger 14 is installed with the bottom traveling valve, sealed plunger 13 outer cover are equipped with auxiliary plug tubular device, can drive by internal thread plunger 14 and go up the auxiliary plug tubular device that Mobile Communication crosses eccentric oiling valve and the oil pumping of eccentric outlet valve and be installed in eccentric mounting envelope tube 2 inside, anti-breakingly deviate from the fuel tap lower end and be sitting on the auxiliary plug tubular device upper end, the outside, auxiliary plug tubular device middle part has and auxiliaryly sets platform 15 and be sitting in eccentric mounting envelope tube 2 upper ends.Increase eccentric auxiliary pump barrel 1, eccentric outlet valve, eccentric oiling valve, eccentric mounting envelope tube 2, eccentric screen casing 4 and auxiliary plug tubular device by pump barrel upper end at existing tubing pump, make it form the chamber of a sealing in the upper chamber of former pump barrel, constitute the auxiliary mechanism that pumps, when the plunger of oil well pump is descending, eccentric oiling valve is opened, eccentric outlet valve cuts out, and well liquid enters pump barrel upper chamber by eccentric oiling valve in the sleeve pipe; When under the plunger when up, eccentric oiling valve cuts out, eccentric outlet valve is opened, and finishes in the oil pipe of the well liquid pump barrel upper chamber in by eccentric outlet valve arrival oil well pump top and once advances oil extraction, thereby increased the pumping efficiency of oil well pump.

Can according to actual needs above-mentioned efficient oil-well pump be made further optimization and/or improvements:

As shown in Figure 2, eccentric outlet valve comprises eccentric oil-release valve cover 16, eccentric delivery valve seat 17, eccentric fuel-displaced valve ball 18 and eccentric fuel-displaced pressure ring 19; The outer upper of eccentric oil-release valve cover 16 has screw thread 20 on the eccentric fuel-displaced cover, the outer lower portion of eccentric oil-release valve cover 16 has screw thread 21 under the eccentric fuel-displaced cover, in the left part body of eccentric oil-release valve cover 16 fuel-displaced inclined to one side plunger hole 11 is arranged, seat tube retaining thread 22 is arranged on the upper inside wall of fuel-displaced inclined to one side plunger hole 11, in the lower right part body of eccentric oil-release valve cover 16 eccentric fuel-displaced valve pocket 23 is arranged, the eccentric oil discharge passage 24 that the upper-end surface right part of eccentric oil-release valve cover 16 has the lower end to be connected with eccentric fuel-displaced valve pocket 23, the off-centre that the lower end surface right part of eccentric oil-release valve cover 16 has the upper end to be connected with eccentric fuel-displaced valve pocket 23 lower ends goes out font hole 25, the inwall bottom of eccentric fuel-displaced valve pocket 23 has off-centre to go out oil ring platform 26, and the inwall bottom that off-centre goes out font hole 25 has off-centre to go out font screw thread 27; Eccentric oil-release valve cover 16 is fixedly mounted on eccentric auxiliary pump barrel 1 bottom by screw thread on the fuel-displaced cover of off-centre 20 and eccentric tube connecting thread 10, and eccentric delivery valve seat 17 is installed in off-centre and goes out in the font hole 25, and there is eccentric fuel-displaced block hole 28 inside of eccentric delivery valve seat 17; Eccentric fuel-displaced valve pocket 23 inside be equipped with can on the eccentric fuel-displaced valve ball 18 that moves, the bottom of eccentric fuel-displaced valve ball 18 is sitting in eccentric fuel-displaced block hole 28 upper ends and keeps sealing; Off-centre goes out to go out font screw thread 27 by off-centre in the font hole 25 eccentric fuel-displaced pressure ring 19 is installed, the upper-end surface of eccentric delivery valve seat 17 is pressed on off-centre and goes out on the lower end surface of oil ring platform 26, and the lower end surface of eccentric delivery valve seat 17 is pressed on the upper-end surface of eccentric fuel-displaced pressure ring 19; There is the outside threaded seat envelope tube axle journal 29 eccentric mounting envelope tube 2 bottoms and is fixedly mounted in the fuel-displaced inclined to one side plunger hole 11 by seat tube retaining thread 22, there is seat envelope tube chamber 30 inside of eccentric mounting envelope tube 2, the bottom in seat envelope tube chamber 30 is connected with fuel-displaced inclined to one side plunger hole 11, on the middle part inwall in seat envelope tube chamber 30 ring platform 31 in the seat envelope tube is arranged.

As shown in Figure 2, eccentric oiling valve comprises eccentric oil-feed valve bonnet 32, eccentric oil-feed valve seat 33, eccentric oil-feed valve ball 34 and eccentric oil-feed pressure ring 35; In the top body of eccentric oil-feed valve bonnet 32 eccentric oil-feed epicoele 36 is arranged, on the upper inside wall of eccentric oil-feed epicoele 36 screw thread 37 on the eccentric oil-feed cover is arranged, the inclined to one side plunger hole of oil-feed comprises oil-feed eccentric screwhole 38 and oil-feed eccentric through-hole 39, the lower end surface left part of eccentric oil-feed valve bonnet 32 has oil-feed eccentric screwhole 38, eccentric oil-feed epicoele 36 lower ends are connected by oil-feed eccentric through-hole 39 with oil-feed eccentric screwhole 38 upper ends, in the lower right part body of eccentric oil-feed valve bonnet 32 eccentric oil-feed valve pocket 40 is arranged, eccentric oil-feed valve pocket 40 upper ends are connected with eccentric oil-feed epicoele 36 by the eccentric oil inlet hole 41 that is no less than, the eccentric oil-feed seat hole 42 that the lower end surface right part of eccentric oil-feed valve bonnet 32 has the upper end to be connected with eccentric oil-feed valve pocket 40 lower ends, eccentric oil-feed ring platform 43 is arranged at the inwall bottom of eccentric oil-feed valve pocket 40, and eccentric oil-feed seat screw thread 44 is arranged at the inwall bottom in eccentric oil-feed seat hole 42; Eccentric oil-feed valve bonnet 32 is fixedly mounted on eccentric oil-release valve cover 16 bottoms by screw thread 21 under screw thread 37 on the eccentric oil-feed cover and the eccentric fuel-displaced cover, eccentric oil-feed valve seat 33 is installed in the eccentric oil-feed seat hole 42, and there is eccentric oil-feed block hole 45 inside of eccentric oil-feed valve seat 33; Eccentric oil-feed valve pocket 40 inside be equipped with can on the eccentric oil-feed valve ball 34 that moves, the bottom of eccentric oil-feed valve ball 34 is sitting in eccentric oil-feed block hole 45 upper ends and keeps sealing; By eccentric oil-feed seat screw thread 44 eccentric oil-feed pressure ring 35 is installed in the eccentric oil-feed seat hole 42, the upper-end surface of eccentric oil-feed valve seat 33 is pressed on the lower end surface of eccentric oil-feed ring platform 43, and the lower end surface of eccentric oil-feed valve seat 33 is pressed on the upper-end surface of eccentric oil-feed pressure ring 35.

As shown in Figure 2, auxiliary plug tubular device comprises sealing drum 46, sets axle 47, goes up sealing cup 48, leather cup seat ring 49, lower seal leather cup 50, leather cup pressure cap 51, return jump ring 52 and jump ring pressure cap 53; Sealing drum 46 is sleeved on sealed plunger 13 outsides, and the threaded envelope tube axle journal 54 in the outside is arranged at sealing drum 46 bottoms; Axle internal thread 55 is arranged at the inner chamber top that sets axle 47, the upper outside that sets axle 47 has the auxiliary platform 15 that sets, there is axle outside thread 56 in the outside, bottom that sets axle 47, envelope tube axle journal 54 is fixedly mounted on the inner chamber top that sets axle 47 by axle internal thread 55, set axle 47 and be sitting in eccentric mounting envelope tube 2 upper ends by the auxiliary platform 15 that sets, last sealing cup 48, leather cup seat ring 49, lower seal leather cup 50, leather cup pressure cap 51, return jump ring 52 from top to bottom is sleeved on auxiliary the setting on the axle 47 of platform 15 belows of setting successively, there is claw 57 upper end of return jump ring 52, the upper end of claw 57 holds out against on the lower end surface of ring platform 31 in the present envelope tube, jump ring pressure cap 53 is fixedly mounted on by axle outside thread 56 and sets axle 47 bottoms, and the upper-end surface of jump ring pressure cap 53 is pressed on the lower end surface of return jump ring 52.The claw 57 of return jump ring 52 is stuck on the lower end surface of ring platform 31 in the seat envelope tube, make auxiliary plug tubular device in an envelope tube chamber 30 of eccentric mounting envelope tube 2, move up and down a segment distance and can not break away from eccentric mounting envelope tube 2, when not having internal thread plunger 14 to drive, auxiliary plug tubular device can be got back to initial position.

Shown in accompanying

drawing

2,3, there is middle joint tube chamber 58 inside of transition joint 3, the middle joint fixed groove is arranged at the inwall bottom of middle joint tube chamber 58, middle joint internal thread 59 is arranged on the sidewall of middle joint fixed groove, there is the threaded middle joint axle journal 60 in the outside on the top of transition joint 3 and is fixedly mounted on oil-feed eccentric screwhole 38 inside, there is middle joint outside thread 61 in the outside, middle part of transition joint 3, and there is screw thread 62 under the middle joint in the outside, bottom of transition joint 3; In the top body of eccentric screen casing 4 screen casing chamber 63 is arranged, the inner of screen casing oilhole 12 is connected with screen casing chamber 63, the lower end surface left part of eccentric screen casing 4 has screen casing eccentric screwhole 64, eccentric screen casing 4 is fixedly mounted on transition joint 3 outsides by screen casing eccentric screwhole 64 and middle joint outside thread 61, and the upper-end surface of eccentric screen casing 4 compresses the lower end surface of eccentric oil-feed valve bonnet 32; The upper inside wall of box cupling 5 has screw thread 65 on the middle box cupling in the middle of the flat, screw thread 66 under the middle box cupling is arranged at the inwall bottom of box cupling 5 in the middle of the flat, box cupling 5 is fixedly mounted on the outside, transition joint 3 bottoms by screw thread 62 under screw thread 65 and the middle joint on the middle box cupling in the middle of the flat, the upper outside of heavy wall pump barrel 7 has screw thread 67 on the pump barrel, and heavy wall pump barrel 7 is fixedly mounted on the middle box cupling of flat 5 bottoms by screw thread 66 under screw thread on the pump barrel 67 and the middle box cupling; The top of tubing nipple 6 has the outside to have axle journal 69 on the pipe nipple of screw thread 68 on the pipe nipple, and axle journal 69 is fixedly mounted on middle joint tube chamber 58 bottoms by screw thread on the pipe nipple 68 and middle joint internal thread 59 on the pipe nipple, and tubing nipple 6 is sleeved on heavy wall pump barrel 7 inside.

As shown in Figure 2, anti-breakingly deviate from fuel tap and comprise anti-breaking oil-release valve cover 70, anti-breaking delivery valve seat 71 and anti-breaking fuel-displaced valve ball 72; Anti-breaking fuel-displaced cover chamber 73 is arranged in the body of anti-breaking oil-release valve cover 70, there is fuel-displaced connection double-screw bolt 74 upper end of anti-breaking oil-release valve cover 70, the upper outside of anti-breaking oil-release valve cover 70 has the inner oil outlet 75 that is connected with anti-breaking fuel-displaced cover chamber 73, the anti-breaking fuel-displaced cover seat hole 76 that has the upper end to be connected on the lower end surface of anti-breaking oil-release valve cover 70 with 73 lower ends, anti-breaking fuel-displaced cover chamber, on the middle part inwall in anti-breaking fuel-displaced cover chamber 73 oil duct is arranged, anti-breaking fuel-displaced shroud ring platform 77 is arranged at the inwall bottom in anti-breaking fuel-displaced cover chamber 73, and anti-breaking fuel-displaced screw thread 78 is arranged at the inwall bottom in anti-breaking fuel-displaced cover seat hole 76; Anti-breaking delivery valve seat 71 is installed in the anti-breaking fuel-displaced cover seat hole 76, and there is anti-breaking fuel-displaced block hole 79 inside of anti-breaking delivery valve seat 71; 73 inside, anti-breaking fuel-displaced cover chamber be equipped with can on the anti-breaking fuel-displaced valve ball 72 that moves, the bottom of anti-breaking fuel-displaced valve ball 72 is sitting in anti-breaking fuel-displaced block hole 79 upper ends and keeps sealing; The lower end of anti-breaking oil-release valve cover 70 is sitting on sealing drum 46 upper-end surfaces, the upper outside of sealed plunger 13 has screw thread and is fixedly mounted on fuel-displaced cover seat 76 inside, hole by anti-breaking fuel-displaced screw thread 78, the upper-end surface of delivery valve seat 71 is pressed on the lower end surface of fuel-displaced shroud ring platform 77, the lower end surface of delivery valve seat 71 is pressed on the upper-end surface of sealed plunger 13, and there is screw thread in the outside, the bottom of sealed plunger 13 and is installed with internal thread plunger 14.The middle part of sealed plunger 13 from top to bottom is sleeved on sealing drum 46 successively, sets axle 47, in the inner chamber of eccentric mounting envelope tube 2, fuel-displaced inclined to one side plunger hole 11, eccentric oil-feed epicoele 36, oil-feed eccentric through-hole 39, middle joint tube chamber 58 and tubing nipple 6, the external diameter of internal thread plunger 14 is greater than the external diameter of sealed plunger 13, and internal thread plunger 14 can be present and be moved up and down in the inner chamber of inner chamber, fuel-displaced inclined to one side plunger hole 11, eccentric oil-feed epicoele 36, oil-feed eccentric through-hole 39, middle joint tube chamber 58 and tubing nipple 6 of an envelope tube chamber 30, seat envelope tube axle journal 29.

As shown in Figure 2, the bottom traveling valve comprises lower travelling valve cover 80, lower travelling valve seat 81, lower travelling valve ball 82 and downstream dynamic head 83; Lower travelling valve cover 80 is sleeved on tubing nipple 6 inside and can moves up and down, there is the screwed valve bonnet axle journal 84 down in the outside on the top of lower travelling valve cover 80 and is fixedly mounted on internal thread plunger 14 bottoms by following valve bonnet axle journal 84, counterbore 85 on the following valve bonnet is arranged on the upper-end surface of lower travelling valve cover 80, following valve bonnet chamber 86 is arranged in the lower body of lower travelling valve cover 80, the following valve bonnet oilhole 87 that has the lower end to be connected on counterbore 85 bottom surfaces on the following valve bonnet with following valve bonnet chamber 86, the following valve bonnet valve seat orifice 88 that has the upper end to be connected on the lower end surface of lower travelling valve cover 80 with 86 lower ends, following valve bonnet chamber, following valve bonnet ring platform 89 is arranged at the inwall bottom in following valve bonnet chamber 86, and following valve bonnet retaining thread 90 is arranged at the inwall bottom of following valve bonnet valve seat orifice 88; Lower travelling valve seat 81 is installed in down in the valve bonnet valve seat orifice 88, and there is lower valve base through hole 91 inside of lower travelling valve seat 81; 86 inside, following valve bonnet chamber be equipped with can on the lower travelling valve ball 82 that moves, the bottom of lower travelling valve ball 82 is sitting in lower valve base through hole 91 upper ends and keeps sealing; Lower travelling valve cover 80 bottoms are equipped with downstream dynamic head 83, the screwed push-down head axle journal 92 in the outside is arranged at the top of downstream dynamic head 83, push-down head axle journal 92 is fixedly mounted on down valve bonnet valve seat orifice 88 inside by following valve bonnet retaining thread 90, the upper-end surface of lower travelling valve seat 81 is pressed on down on the lower end surface of valve bonnet ring platform 89, and the lower end surface of lower travelling valve seat 81 is pressed on the upper-end surface of push-down head axle journal 92.

As shown in Figure 3, standing valve comprises standing valve cover 93, fixed valve base 94, fixed valve ball 95 and fixing pressure head 96; Screw thread 97 under the pipe nipple is arranged at the internal chamber wall bottom of tubing nipple 6, the screwed solid valve bonnet axle journal 98 in the outside is arranged at the top of standing valve cover 93, Gu valve bonnet axle journal 98 is fixedly mounted on tubing nipple 6 bottoms by screw thread under the pipe nipple 97, counterbore 99 on the solid valve bonnet is arranged on the upper-end surface of standing valve cover 93, solid valve bonnet chamber 100 is arranged in the lower body of standing valve cover 93, Gu the solid valve bonnet oilhole 101 that has the lower end to be connected on the valve bonnet on counterbore 99 bottom surfaces with solid valve bonnet chamber 100, the solid valve bonnet valve seat orifice 102 that has the upper end to be connected on the lower end surface of standing valve cover 93 with solid 100 lower ends, valve bonnet chamber, Gu solid valve bonnet ring platform 103 is arranged at the inwall bottom in valve bonnet chamber 100, Gu screw thread 104 under the solid valve is arranged at the inwall bottom of valve bonnet valve seat orifice 102; Fixed valve base 94 is installed in the solid valve bonnet valve seat orifice 102, and there is solid valve seat through-hole 105 inside of fixed valve base 94; Gu 100 inside, valve bonnet chamber be equipped with can on the fixed valve ball 95 that moves, the bottom of fixed valve ball 95 is sitting in solid valve seat through-hole 105 upper ends and keeps sealing; Standing valve cover 93 bottoms are equipped with fixedly pressure head 96, fixedly the screwed solid pressure in an outside axle journal 106 is arranged at the top of pressure head 96, a solid pressure axle journal 106 is fixedly mounted on solid valve bonnet valve seat orifice 102 inside by screw thread 104 under the solid valve, the upper-end surface of fixed valve base 94 is pressed on the lower end surface of solid valve bonnet ring platform 103, and the lower end surface of fixed valve base 94 is pressed on the upper-end surface of a solid pressure axle journal 106.

Above technical characteristics has constituted most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristics according to actual needs, satisfies the demand of different situations.

The working procedure of the utility model most preferred embodiment is: at first, the utility model is installed in the sleeve pipe, sucker rod is fixedly mounted on the fuel-displaced connection double-screw bolt 74; Secondly, sucker rod drives anti-breaking oil-release valve cover 70 by fuel-displaced connection double-screw bolt 74, sealed plunger 13, internal thread plunger 14 and bottom traveling valve move upward, promptly carry out the upstroke of pumping process, under the action of gravity of the pressure of top fluid column and valve ball, anti-breakingly deviate from fuel tap and the bottom traveling valve all cuts out, along with driving on the traveling valve of bottom, moves internal thread plunger 14, with counterbore 99 on the solid valve bonnet, Gu tubing nipple 6 inner chambers that valve bonnet oilhole 101 and solid valve bonnet chamber 100 are connected form the main oil pump oil suction chamber, main oil pump oil suction chamber volume constantly increases, its internal pressure constantly reduces, produce pressure reduction with the liquid at solid valve seat through-hole 105 places, liquid promotes to move on the fixed valve ball 95 standing valve is opened, liquid enters in the main oil pump oil suction chamber through solid valve seat through-hole 105, simultaneously, tubing nipple 6 inwalls, middle joint tube chamber 58 inwalls, oil-feed eccentric through-hole 39, form the auxiliary oil pump oil suction chamber between fuel-displaced inclined to one side plunger hole 11 and seat envelope tube axle journal 29 inner chambers and sealed plunger 13 outsides, move on the internal thread plunger 14 auxiliary oil pump oil suction chamber volume is constantly reduced, its internal pressure increases, pressured fluid makes eccentric oiling valve close and open eccentric outlet valve, pressured fluid is installed the oil pipe that screw 9 enters the top along eccentric oil discharge passage 24 by auxiliary pump barrel chamber 8 and eccentric tube, promptly assists oil extraction; Then, when moving to eccentric oil-feed epicoele 36 on internal thread plunger 14 upper ends, fuel-displaced connection double-screw bolt 74 arrives carries limit position, and it is maximum that main oil pump oil suction chamber volume reaches, and main oil-feed is finished, and auxiliary oil pump oil suction chamber volume reaches minimum simultaneously, and auxiliary oil extraction is finished; Afterwards, sucker rod drives anti-breaking oil-release valve cover 70, sealed plunger 13, internal thread plunger 14 and bottom traveling valve move downward, promptly carry out the down stroke of pumping process, the standing valve inside and outside differential pressure disappears, fixed valve ball 95 falls standing valve cuts out because of self gravitation, main oil pump oil suction chamber volume constantly reduces, its internal pressure constantly increases, liquid and the liquid in the main oil pump oil suction chamber in the following valve bonnet chamber 86 produce pressure reduction, liquid promotes to move on the lower travelling valve ball 82 the bottom traveling valve is opened, liquid enters down valve bonnet chamber 86 through lower valve base through hole 91, pass through valve bonnet oilhole 87 down successively, counterbore 85 on the following valve bonnet, internal thread plunger 14 tube chambers, sealed plunger 13 upwards flows, pressured fluid promotes anti-breaking fuel-displaced valve ball 72 and enters in the anti-breaking fuel-displaced cover chamber 73 afterwards, enter by oil outlet 75 in the oil pipe of top, finished main oil extraction work, simultaneously, the upper-end surface of internal thread plunger 14 moves down, auxiliary oil pump oil suction chamber volume is constantly increased, the internal pressure of eccentric oil-feed valve pocket 40 reduces, well liquid in the sleeve pipe passes through screen casing chamber 63 successively by screen casing oilhole 12, eccentric oil-feed block hole 45, push eccentric oil-feed valve ball 34 open and enter in the eccentric oil-feed valve pocket 40, eccentric oiling valve continues oil-feed; Then, sucker rod drives anti-breaking oil-release valve cover 70 to be continued to move down, instantly move about the lower end of pressure head 83 when being sitting on the upper-end surface of solid valve bonnet axle journal 98, sealed plunger 13, internal thread plunger 14 and bottom traveling valve are positioned at the limit inferior position, main oil pump oil suction chamber volume becomes minimum, and main oil extraction is finished, and auxiliary oil pump oil suction chamber volume reaches maximum simultaneously, auxiliary oil-feed is finished, and sucker rod drives anti-breaking oil-release valve cover 70 to begin to move up; At last, sucker rod so drives fuel-displaced connection double-screw bolt 74 and pumps, main pump chamber oil-feed in the upstroke process, auxiliary pump barrel chamber enter oil pipe with oil, the main pump chamber enters oil pipe, auxiliary pump barrel chamber oil-feed with oil in the down stroke process, liquid can constantly be input in the surface pipeline network, has effectively improved pump oil efficient.

Claims

1. an efficient oil-well pump is characterized in that comprising eccentric synergy pump barrel assembly, standing valve, traveling system and auxiliary plug tubular device; Traveling system is installed in eccentric synergy pump barrel assembly inside and can moves up and down along eccentric synergy pump barrel assembly axial direction, and eccentric synergy pump barrel assembly comprises eccentric auxiliary pump barrel, eccentric outlet valve, eccentric oiling valve, eccentric mounting envelope tube, transition joint, eccentric screen casing, the middle box cupling of flat, tubing nipple and heavy wall pump barrel; There is auxiliary pump barrel chamber the inside of eccentric auxiliary pump barrel, the eccentric tube that the upper-end surface left part of eccentric auxiliary pump barrel has the lower end to be connected with auxiliary pump barrel chamber is installed screw, eccentric tube connecting thread is arranged on the lower inner wall in auxiliary pump barrel chamber and be installed with eccentric outlet valve, the bottom of eccentric outlet valve is installed with eccentric oiling valve, there is fuel-displaced inclined to one side plunger hole eccentric outlet valve inside and is installed with eccentric mounting envelope tube, there is the inclined to one side plunger hole of oil-feed the inside of eccentric oiling valve and is installed with transition joint, the outer middle side part of transition joint is installed with the eccentric screen casing of outside band screen casing oilhole, the screen casing oilhole passes through the tube chamber of eccentric screen casing successively, the valve pocket of eccentric oiling valve, the valve pocket of eccentric outlet valve and the eccentric mounting envelope tube outside are installed screw with the annular space between the auxiliary pump barrel chamber with eccentric tube and are connected, the inwall bottom of transition joint is installed with tubing nipple, the outer lower portion of transition joint is installed with the heavy wall pump barrel by box cupling in the middle of the flat, and the bottom of tubing nipple is installed with standing valve; Traveling system comprises the anti-breaking fuel tap of deviating from, sealed plunger, internal thread plunger and bottom traveling valve, the top of sealed plunger is installed with the anti-breaking fuel tap of deviating from, the bottom of sealed plunger is installed with the internal thread plunger, the bottom of internal thread plunger is installed with the bottom traveling valve, the sealed plunger outer cover is equipped with auxiliary plug tubular device, can drive going up auxiliary plug tubular device that Mobile Communication crosses eccentric oiling valve and the oil pumping of eccentric outlet valve by the internal thread plunger, to be installed in eccentric mounting envelope tube inner, anti-breakingly deviate from the fuel tap lower end and be sitting on the auxiliary plug tubular device upper end, the outside, auxiliary plug tubular device middle part has and auxiliaryly sets platform and be sitting in eccentric mounting envelope tube upper end.

2. efficient oil-well pump according to claim 1 is characterized in that eccentric outlet valve comprises eccentric oil-release valve cover, eccentric delivery valve seat, eccentric fuel-displaced valve ball and eccentric fuel-displaced pressure ring; The outer upper of eccentric oil-release valve cover has screw thread on the eccentric fuel-displaced cover, the outer lower portion of eccentric oil-release valve cover has screw thread under the eccentric fuel-displaced cover, in the left part body of eccentric oil-release valve cover fuel-displaced inclined to one side plunger hole is arranged, seat tube retaining thread is arranged on the upper inside wall of fuel-displaced inclined to one side plunger hole, in the lower right part body of eccentric oil-release valve cover eccentric fuel-displaced valve pocket is arranged, the eccentric oil discharge passage that the upper-end surface right part of eccentric oil-release valve cover has the lower end to be connected with eccentric fuel-displaced valve pocket, the off-centre that the lower end surface right part of eccentric oil-release valve cover has the upper end to be connected with eccentric fuel-displaced valve pocket lower end goes out the font hole, the inwall bottom of eccentric fuel-displaced valve pocket has off-centre to go out the oil ring platform, and the inwall bottom that off-centre goes out the font hole has off-centre to go out the font screw thread; Eccentric oil-release valve cover is fixedly mounted on eccentric auxiliary pump barrel bottom by screw thread on the fuel-displaced cover of off-centre and eccentric tube connecting thread, and eccentric delivery valve seat is installed in off-centre and goes out in the font hole, and there is eccentric fuel-displaced block hole the inside of eccentric delivery valve seat; Eccentric fuel-displaced valve pocket inside be equipped with can on the eccentric fuel-displaced valve ball that moves, the bottom of eccentric fuel-displaced valve ball is sitting in eccentric fuel-displaced block hole upper end and keeps sealing; Off-centre goes out to go out the font screw thread by off-centre in the font hole eccentric fuel-displaced pressure ring is installed, and the upper-end surface of eccentric delivery valve seat is pressed on off-centre and goes out on the lower end surface of oil ring platform, and the lower end surface of eccentric delivery valve seat is pressed on the upper-end surface of eccentric fuel-displaced pressure ring; There is the outside threaded seat envelope tube axle journal eccentric mounting envelope tube bottom and is fixedly mounted in the fuel-displaced inclined to one side plunger hole by seat tube retaining thread, there is seat envelope tube chamber the inside of eccentric mounting envelope tube, the bottom in seat envelope tube chamber is connected with fuel-displaced inclined to one side plunger hole, on the middle part inwall in seat envelope tube chamber ring platform in the seat envelope tube is arranged.

3. efficient oil-well pump according to claim 2 is characterized in that eccentric oiling valve comprises eccentric oil-feed valve bonnet, eccentric oil-feed valve seat, eccentric oil-feed valve ball and eccentric oil-feed pressure ring; In the top body of eccentric oil-feed valve bonnet eccentric oil-feed epicoele is arranged, on the upper inside wall of eccentric oil-feed epicoele screw thread on the eccentric oil-feed cover is arranged, the inclined to one side plunger hole of oil-feed comprises oil-feed eccentric screwhole and oil-feed eccentric through-hole, the lower end surface left part of eccentric oil-feed valve bonnet has the oil-feed eccentric screwhole, eccentric oil-feed epicoele lower end is connected by the oil-feed eccentric through-hole with oil-feed eccentric screwhole upper end, in the lower right part body of eccentric oil-feed valve bonnet eccentric oil-feed valve pocket is arranged, eccentric oil-feed valve pocket upper end is connected with eccentric oil-feed epicoele by the eccentric oil inlet hole that is no less than, the eccentric oil-feed seat hole that the lower end surface right part of eccentric oil-feed valve bonnet has the upper end to be connected with eccentric oil-feed valve pocket lower end, eccentric oil-feed ring platform is arranged at the inwall bottom of eccentric oil-feed valve pocket, and eccentric oil-feed seat screw thread is arranged at the inwall bottom in eccentric oil-feed seat hole; Eccentric oil-feed valve bonnet is fixedly mounted on eccentric oil-release valve cover bottom by screw thread under screw thread on the eccentric oil-feed cover and the eccentric fuel-displaced cover, and eccentric oil-feed valve seat is installed in the eccentric oil-feed seat hole, and there is eccentric oil-feed block hole the inside of eccentric oil-feed valve seat; Eccentric oil-feed valve pocket inside be equipped with can on the eccentric oil-feed valve ball that moves, the bottom of eccentric oil-feed valve ball is sitting in eccentric oil-feed block hole upper end and keeps sealing; Eccentric oil-feed seat is equipped with eccentric oil-feed pressure ring by eccentric oil-feed seat screw thread in the hole, and the upper-end surface of eccentric oil-feed valve seat is pressed on the lower end surface of eccentric oil-feed ring platform, and the lower end surface of eccentric oil-feed valve seat is pressed on the upper-end surface of eccentric oil-feed pressure ring.

4. according to claim 1 or 2 or 3 described efficient oil-well pumps, it is characterized in that auxiliary plug tubular device comprises sealing drum, sets axle, goes up sealing cup, leather cup seat ring, lower seal leather cup, leather cup pressure cap, return jump ring and jump ring pressure cap; Sealing sleeve is contained in the sealed plunger outside, and the threaded envelope tube axle journal in the outside is arranged at the sealing drum bottom; The axle internal thread is arranged at the inner chamber top that sets axle, the upper outside that sets axle has the auxiliary platform that sets, there is the axle outside thread in the outside, bottom that sets axle, envelope tube axle journal is fixedly mounted on the inner chamber top that sets axle by the axle internal thread, set axle and be sitting in eccentric mounting envelope tube upper end by the auxiliary platform that sets, last sealing cup, the leather cup seat ring, the lower seal leather cup, the leather cup pressure cap, the return jump ring from top to bottom is sleeved on auxiliary the setting on the axle of platform below of setting successively, there is claw the upper end of return jump ring, the upper end of claw holds out against on the lower end surface of ring platform in the present envelope tube, the jump ring pressure cap is fixedly mounted on by the axle outside thread and sets the axle bottom, and the upper-end surface of jump ring pressure cap is pressed on the lower end surface of return jump ring.

5. according to claim 1 or 2 or 3 described efficient oil-well pumps, there is the middle joint tube chamber inside that it is characterized in that transition joint, the middle joint fixed groove is arranged at the inwall bottom of middle joint tube chamber, the middle joint internal thread is arranged on the sidewall of middle joint fixed groove, there is the threaded middle joint axle journal in the outside on the top of transition joint and is fixedly mounted on oil-feed eccentric screwhole inside, there is the middle joint outside thread in the outside, middle part of transition joint, and there is screw thread under the middle joint in the outside, bottom of transition joint; In the top body of eccentric screen casing the screen casing chamber is arranged, the inner of screen casing oilhole is connected with the screen casing chamber, the lower end surface left part of eccentric screen casing has the screen casing eccentric screwhole, eccentric screen casing is fixedly mounted on the transition joint outside by screen casing eccentric screwhole and middle joint outside thread, and the upper-end surface of eccentric screen casing compresses the lower end surface of eccentric oil-feed valve bonnet; The upper inside wall of box cupling has screw thread on the middle box cupling in the middle of the flat, screw thread under the middle box cupling is arranged at the inwall bottom of box cupling in the middle of the flat, box cupling is fixedly mounted on the outside, transition joint bottom by screw thread under screw thread and the middle joint on the middle box cupling in the middle of the flat, the upper outside of heavy wall pump barrel has screw thread on the pump barrel, and the heavy wall pump barrel is fixedly mounted on the middle box cupling of flat bottom by screw thread under screw thread on the pump barrel and the middle box cupling; The top of tubing nipple has the outside to have axle journal on the pipe nipple of screw thread on the pipe nipple, and axle journal is fixedly mounted on middle joint tube chamber bottom by screw thread on the pipe nipple and middle joint internal thread on the pipe nipple, and tubing nipple is sleeved on heavy wall pump barrel inside.

6. efficient oil-well pump according to claim 4, there is the middle joint tube chamber inside that it is characterized in that transition joint, the middle joint fixed groove is arranged at the inwall bottom of middle joint tube chamber, the middle joint internal thread is arranged on the sidewall of middle joint fixed groove, there is the threaded middle joint axle journal in the outside on the top of transition joint and is fixedly mounted on oil-feed eccentric screwhole inside, there is the middle joint outside thread in the outside, middle part of transition joint, and there is screw thread under the middle joint in the outside, bottom of transition joint; In the top body of eccentric screen casing the screen casing chamber is arranged, the inner of screen casing oilhole is connected with the screen casing chamber, the lower end surface left part of eccentric screen casing has the screen casing eccentric screwhole, eccentric screen casing is fixedly mounted on the transition joint outside by screen casing eccentric screwhole and middle joint outside thread, and the upper-end surface of eccentric screen casing compresses the lower end surface of eccentric oil-feed valve bonnet; The upper inside wall of box cupling has screw thread on the middle box cupling in the middle of the flat, screw thread under the middle box cupling is arranged at the inwall bottom of box cupling in the middle of the flat, box cupling is fixedly mounted on the outside, transition joint bottom by screw thread under screw thread and the middle joint on the middle box cupling in the middle of the flat, the upper outside of heavy wall pump barrel has screw thread on the pump barrel, and the heavy wall pump barrel is fixedly mounted on the middle box cupling of flat bottom by screw thread under screw thread on the pump barrel and the middle box cupling; The top of tubing nipple has the outside to have axle journal on the pipe nipple of screw thread on the pipe nipple, and axle journal is fixedly mounted on middle joint tube chamber bottom by screw thread on the pipe nipple and middle joint internal thread on the pipe nipple, and tubing nipple is sleeved on heavy wall pump barrel inside.

7. efficient oil-well pump according to claim 5 is characterized in that anti-breakingly deviating from fuel tap and comprising anti-breaking oil-release valve cover, anti-breaking delivery valve seat and anti-breaking fuel-displaced valve ball; Anti-breaking fuel-displaced cover chamber is arranged in the body of anti-breaking oil-release valve cover, there is fuel-displaced connection double-screw bolt the upper end of anti-breaking oil-release valve cover, the upper outside of anti-breaking oil-release valve cover has the inner oil outlet that is connected with anti-breaking fuel-displaced cover chamber, the anti-breaking fuel-displaced cover seat hole that has the upper end to be connected on the lower end surface of anti-breaking oil-release valve cover with lower end, anti-breaking fuel-displaced cover chamber, on the middle part inwall in anti-breaking fuel-displaced cover chamber oil duct is arranged, anti-breaking fuel-displaced shroud ring platform is arranged at the inwall bottom in anti-breaking fuel-displaced cover chamber, and anti-breaking fuel-displaced screw thread is arranged at the inwall bottom in anti-breaking fuel-displaced cover seat hole; Anti-breaking delivery valve seat is installed in the anti-breaking fuel-displaced cover seat hole, and there is anti-breaking fuel-displaced block hole the inside of anti-breaking delivery valve seat; Inside, anti-breaking fuel-displaced cover chamber be equipped with can on the anti-breaking fuel-displaced valve ball that moves, the bottom of anti-breaking fuel-displaced valve ball is sitting in anti-breaking fuel-displaced block hole upper end and keeps sealing; The lower end of anti-breaking oil-release valve cover is sitting on the sealing drum upper-end surface, the upper outside of sealed plunger has screw thread and is fixedly mounted on fuel-displaced cover seat inside, hole by anti-breaking fuel-displaced screw thread, the upper-end surface of delivery valve seat is pressed on the lower end surface of fuel-displaced shroud ring platform, the lower end surface of delivery valve seat is pressed on the upper-end surface of sealed plunger, and there is screw thread in the outside, the bottom of sealed plunger and is installed with the internal thread plunger.

8. efficient oil-well pump according to claim 6 is characterized in that anti-breakingly deviating from fuel tap and comprising anti-breaking oil-release valve cover, anti-breaking delivery valve seat and anti-breaking fuel-displaced valve ball; Anti-breaking fuel-displaced cover chamber is arranged in the body of anti-breaking oil-release valve cover, there is fuel-displaced connection double-screw bolt the upper end of anti-breaking oil-release valve cover, the upper outside of anti-breaking oil-release valve cover has the inner oil outlet that is connected with anti-breaking fuel-displaced cover chamber, the anti-breaking fuel-displaced cover seat hole that has the upper end to be connected on the lower end surface of anti-breaking oil-release valve cover with lower end, anti-breaking fuel-displaced cover chamber, on the middle part inwall in anti-breaking fuel-displaced cover chamber oil duct is arranged, anti-breaking fuel-displaced shroud ring platform is arranged at the inwall bottom in anti-breaking fuel-displaced cover chamber, and anti-breaking fuel-displaced screw thread is arranged at the inwall bottom in anti-breaking fuel-displaced cover seat hole; Anti-breaking delivery valve seat is installed in the anti-breaking fuel-displaced cover seat hole, and there is anti-breaking fuel-displaced block hole the inside of anti-breaking delivery valve seat; Inside, anti-breaking fuel-displaced cover chamber be equipped with can on the anti-breaking fuel-displaced valve ball that moves, the bottom of anti-breaking fuel-displaced valve ball is sitting in anti-breaking fuel-displaced block hole upper end and keeps sealing; The lower end of anti-breaking oil-release valve cover is sitting on the sealing drum upper-end surface, the upper outside of sealed plunger has screw thread and is fixedly mounted on fuel-displaced cover seat inside, hole by anti-breaking fuel-displaced screw thread, the upper-end surface of delivery valve seat is pressed on the lower end surface of fuel-displaced shroud ring platform, the lower end surface of delivery valve seat is pressed on the upper-end surface of sealed plunger, and there is screw thread in the outside, the bottom of sealed plunger and is installed with the internal thread plunger.

9. efficient oil-well pump according to claim 8 is characterized in that the bottom traveling valve comprises lower travelling valve cover, lower travelling valve seat, lower travelling valve ball and downstream dynamic head; The lower travelling valve enclosure is contained in tubing nipple inside and can moves up and down, there is the screwed valve bonnet axle journal down in the outside on the top of lower travelling valve cover and is fixedly mounted on internal thread plunger bottom by following valve bonnet axle journal, counterbore on the following valve bonnet is arranged on the upper-end surface of lower travelling valve cover, following valve bonnet chamber is arranged in the lower body of lower travelling valve cover, the following valve bonnet oilhole that has the lower end to be connected on the counterbore bottom surface on the following valve bonnet with following valve bonnet chamber, the following valve bonnet valve seat orifice that has the upper end to be connected on the lower end surface of lower travelling valve cover with lower end, following valve bonnet chamber, following valve bonnet ring platform is arranged at the inwall bottom in following valve bonnet chamber, and following valve bonnet retaining thread is arranged at the inwall bottom of following valve bonnet valve seat orifice; The lower travelling valve seat is installed in down in the valve bonnet valve seat orifice, and there is the lower valve base through hole inside of lower travelling valve seat; Inside, following valve bonnet chamber be equipped with can on the lower travelling valve ball that moves, the bottom of lower travelling valve ball is sitting in lower valve base through hole upper end and keeps sealing; Lower travelling valve cover bottom is equipped with the downstream dynamic head, the screwed push-down head axle journal in the outside is arranged at the top of downstream dynamic head, the push-down head axle journal is fixedly mounted on down valve bonnet valve seat orifice inside by following valve bonnet retaining thread, the upper-end surface of lower travelling valve seat is pressed on down on the lower end surface of valve bonnet ring platform, and the lower end surface of lower travelling valve seat is pressed on the upper-end surface of push-down head axle journal.

10. efficient oil-well pump according to claim 9 is characterized in that standing valve comprises standing valve cover, fixed valve base, fixed valve ball and fixing pressure head; Screw thread under the pipe nipple is arranged at the internal chamber wall bottom of tubing nipple, the screwed solid valve bonnet axle journal in the outside is arranged at the top of standing valve cover, Gu the valve bonnet axle journal is fixedly mounted on the tubing nipple bottom by screw thread under the pipe nipple, counterbore on the solid valve bonnet is arranged on the upper-end surface of standing valve cover, solid valve bonnet chamber is arranged in the lower body of standing valve cover, Gu the solid valve bonnet oilhole that has the lower end to be connected on the valve bonnet on the counterbore bottom surface with solid valve bonnet chamber, the solid valve bonnet valve seat orifice that has the upper end to be connected on the lower end surface of standing valve cover with solid lower end, valve bonnet chamber, Gu solid valve bonnet ring platform is arranged at the inwall bottom in valve bonnet chamber, Gu screw thread under the solid valve is arranged at the inwall bottom of valve bonnet valve seat orifice; Fixed valve base is installed in the solid valve bonnet valve seat orifice, and there is solid valve seat through-hole the inside of fixed valve base; Gu inside, valve bonnet chamber be equipped with can on the fixed valve ball that moves, the bottom of fixed valve ball is sitting in solid valve seat through-hole upper end and keeps sealing; The standing valve cover bottom is equipped with fixedly pressure head, fixedly the screwed solid pressure in an outside axle journal is arranged at the top of pressure head, a solid pressure axle journal is fixedly mounted on solid valve bonnet valve seat orifice inside by screw thread under the solid valve, the upper-end surface of fixed valve base is pressed on the lower end surface of solid valve bonnet ring platform, and the lower end surface of fixed valve base is pressed on the upper-end surface of a solid pressure axle journal.