CN206972207U - A kind of spiral-flow type reducing oil well pump - Google Patents
A kind of spiral-flow type reducing oil well pump Download PDFInfo
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- CN206972207U CN206972207U CN201720433695.1U CN201720433695U CN206972207U CN 206972207 U CN206972207 U CN 206972207U CN 201720433695 U CN201720433695 U CN 201720433695U CN 206972207 U CN206972207 U CN 206972207U
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- hollow stem
- rotation set
- spiral
- oil well
- well pump
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Abstract
The utility model discloses a kind of spiral-flow type reducing oil well pump, it is related to pumpingh well special equipment technical field, including hollow stem and rotation set under rotation set and axially position is arranged in the axially position at the hollow stem both ends, the hollow stem upper end is connected with the oil-release valve cover with steel ball, hollow stem periphery is provided with diameter-changing body, the diameter-changing body is made up of more than three pieces of piece, the diameter-changing body medial surface circumference is provided with axial conical socket, periphery is provided with axial conical socket convex shoulder in axial sliding in the hollow stem, when the convex shoulder slides up or down, can be by monoblock type overcoat spreading or diminution, solves the drawbacks of rod collar non-directional eccentrically worn tubing, the increase of pump chamber discharge capacity, improve pump efficiency；Thruster is installed additional, liquid stream turn serves the function of sand prevention gas-tight.The utility model structure is novel, when oil pumper drives above and below sucker rod to twitch, constantly oil well Crude Oil is pumped into well head pipeline repeatedly, reduces frictional resistance, improves oil well daily fluid production rate.
Description
Technical field
The utility model belongs to pumpingh well special equipment technical field, more particularly to a kind of spiral-flow type reducing oil well pump.
Background technology
During oil extraction in oil field, oil well pump is under the drive of oil pumper, and crude oil in well is given rise into the special of ground
In pipeline, sucker rod passes to oil well pump using the reciprocating motion of pumping unit, piston is moved reciprocatingly, when oil pumper drives
When sucker rod pumps, the problems such as rod collar and oil pipe grinding easily occurs, blocks, touch, the upper of oil pumper is increased
Lower shock loading, when sucker rod alternate load is serious, the shake of sucker rod causes elastic deformation amount big, and it is inclined that rod collar occurs
Phenomena such as grinding oil pipe, rod parting, causes that service life is short, pollution environment, and that oil recovery amount is low, cost is high etc. is a series of
Problem.
Utility model content
To solve the non-directional eccentrically worn tubing inwall of existing rod collar, frequent operation is caused, causes cost for oil production
It is high, efficiency is low etc., and problem, the utility model provide a kind of spiral-flow type reducing oil well pump, using eddy flow reducing action principle, effectively
Avoid, because of rod collar non-directional eccentrically worn tubing inwall, improving service life, add oil recovery amount, save the energy, drop
Low cost.
The technical solution adopted in the utility model is：A kind of spiral-flow type reducing oil well pump, including hollow stem, it is arranged on described
Rotation set under rotation set and axially position in the axially position at hollow stem both ends, the hollow stem upper end is connected with the delivery valve with steel ball
Cover, hollow stem periphery are provided with diameter-changing body, and the diameter-changing body is made up of more than three pieces of piece, and more than three pieces of piece can be spliced into
For the monoblock type overcoat of hollow stem；The medial surface circumference of the monoblock type overcoat is provided with an axial conical socket of circle, in described
Empty bar periphery is provided with axial conical socket convex shoulder in axial sliding, can be by monoblock type overcoat during the convex shoulder upward sliding
Above push away spreading；
Be provided with more than two circles axial conical sockets in the monoblock type overcoat, hollow stem be provided with more than two circles with two circles with
Convex shoulder corresponding to upper axial conical socket；The excircle of the monoblock type overcoat is provided with back-moving spring, the monoblock type overcoat
Both ends be provided with the radial direction clutch tooth to match with the number of teeth of upper rotation set and lower rotation set.
Preferably, the dynamic clamping head and quiet clamping head, which includes monoblock type overcoat periphery, is provided with two circle above necks, in the neck
Provided with the spring that rises, diameter-changing body harmomegathus can be made freely.
Preferably, rotation set rotates around hollow stem under rotation set and axially position in axially position.
Preferably, rotation set with being cased with a gap outside monoblock type, can make whole under rotation set and axially position in axially position
It is enclosed between rotation set and lower rotation set and slides axially outside body formula.
Preferably, the hollow stem two ends periphery is provided with external screw thread.
Preferably, the hollow stem both ends periphery is respectively provided with alignment pin at external screw thread, make rotation set on axial restraint
And lower rotation set.
Preferably, the monoblock type overcoat includes the first piece, the second piece and the 3rd piece, and three piece shapes
It is identical, it is in " Z " font.
Preferably, the oil-release valve cover is made up of big termination with small end head, the big termination is upper with the hollow stem
End threaded connection.
Preferably, the big termination of the oil-release valve cover is arranged with the tapered structure of small end head, and centre position is provided with and led to
Hole.
Preferably, the lower end of the hollow stem is threaded with thruster, the thruster supports the use with hollow stem.
It is using beneficial effect caused by above-mentioned technical proposal：
1st, spiral-flow type reducing oil well pump of the present utility model, plunger hollow stem convex shoulder provided circumferentially about can be in sucker rod
Under drive, slid axially along the conical socket on diameter-changing body monoblock type overcoat medial surface circumference, turn into a kind of post of reducing
Pump is filled in, makes diameter-changing body monoblock type overcoat spreading or diminution, and realizes that diameter-changing body external diameter coincide with leaving with pump barrel inwall, by pump
Intracavitary crude oil is pumped into pipeline, solves the problems, such as rod collar eccentrically worn tubing inwall；
2nd, in addition, being provided with thruster in the lower end of hollow stem, the thruster supports the use with hollow stem；When in plunger
When empty bar is descending, the pusher of the liquid flow impact plunger hollow stem lower end of underground, manufacturing and designing on the thruster has eddy flow to push away
The line of force, liquid stream turn and wash inlet valve open, into pump chamber, liquid stream rising washes delivery valve open and enters oil pipe, so constantly past
Stoste is pumped into well head and is transported in dedicated pipeline by multiple operation.Advantage is that the turn of liquid stream changes liquid stream in pump chamber
Running status, make sand is gentle to be difficult to condense and gather in fluid, so as to also function to the function of sand prevention and gas-tight；
Furthermore 3, when reducing plunger hollow stem is descending, all stream oil passages are opened, liquid stream is smoothly entered pump
Chamber, the discharge capacity of reserves pump in pump chamber is added, so as to improve pump efficiency, improve oil well daily fluid production rate.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the front view of the utility model embodiment：
Fig. 3 is the utility model embodiment diameter-changing body structural representation；
Fig. 4 is the A-A profiles in Fig. 3；
Fig. 5 is enlarged drawing at the B in Fig. 3；
Fig. 6 is the left view in Fig. 3；
Fig. 7 is the first tile configuration schematic diagram in Fig. 3；
Fig. 8 is the top view in Fig. 7；
Fig. 9 is hollow stem structural representation of the present utility model；
Figure 10 is the profile in Fig. 9；
Figure 11 is upper rotation set structural representation of the present utility model；
Figure 12 is the left view in Figure 11；
Figure 13 is oil-release valve cover structural representation of the present utility model；
Figure 14 is Figure 13 A-A profiles；
Figure 15 is the spring structure schematic diagram of the present utility model that rises；
Figure 16 is thruster structural representation of the present utility model；
Figure 17 is the use state figure of the utility model embodiment.
In figure, 1, hollow stem；2nd, diameter-changing body；3rd, upper rotation set；4th, lower rotation set；5th, steel ball；6th, oil-release valve cover；7th, rise spring；8、
Thruster；11st, convex shoulder；12nd, external screw thread；13rd, alignment pin；21st, conical socket；22nd, clutch tooth；23rd, neck；24th, the first piece；
25th, the second piece；26th, the 3rd piece；61st, big termination；62nd, small end head；63 through holes；9th, pump barrel；10th, box cupling.
Embodiment
The technical scheme in the embodiment of the utility model is carried out with reference to the accompanying drawings and detailed description clear, complete
Ground describes, and elaborates many details in the following description in order to fully understand the utility model, but this practicality is new
Type can also be different from other manner described here using other to be implemented, and those skilled in the art can be without prejudice to this reality
With doing similar popularization in the case of new intension, therefore the utility model is not limited by following public specific embodiment.
For sake of convenience, hereinafter the left and right, upper and lower of alleged " left side " " right side " " on " " under " and accompanying drawing in itself to one
Cause, but restriction effect is not played to structure of the present utility model.
Refer to Fig. 1 and Fig. 2, a kind of spiral-flow type reducing oil well pump structural representation that the utility model embodiment provides,
A kind of spiral-flow type reducing oil well pump, including hollow stem 1, it is arranged on rotation set 3 and axial direction in the axially position at the both ends of hollow stem 1
The lower rotation set 4 of positioning, the upper end of hollow stem 1 are connected with the oil-release valve cover 6 with steel ball 5, and the periphery of hollow stem 1 is provided with diameter-changing body 2, described
Diameter-changing body 2 is made up of more than three pieces of piece, and more than three pieces of piece can splice the monoblock type overcoat as hollow stem 1；It is described
The medial surface circumference of monoblock type overcoat is provided with an axial conical socket 21 of circle, and the excircle of hollow stem 1 is provided with axial direction
Convex shoulder 11 in axial sliding in conical socket 21, in axially position under rotation set 3 and axially position rotation set 4 with being cased with outside monoblock type
One gap, during 11 upward sliding of convex shoulder, spreading can be pushed away by be put outside monoblock type；
More than two circles axial conical sockets 21 are provided with the monoblock type overcoat, hollow stem 1 is provided with more than two circles and two
More than circle convex shoulder 11 corresponding to axial conical socket 21；The excircle of the monoblock type overcoat is provided with dynamic clamping head and quiet clamping head, described
The both ends of monoblock type overcoat are provided with the radial direction clutch tooth 22 to match with the number of teeth of upper rotation set 3 and lower rotation set 4, and monoblock type overcoat
Rotated around a direction.The convex shoulder 11 in plunger hollow stem 1 in described the utility model can under the drive of sucker rod along
Conical socket 21 on the monoblock type overcoat medial surface circumference of diameter-changing body 2 slides axially, can by monoblock type overcoat spreading or diminution, into
For a kind of plunger pump of reducing.
When plunger hollow stem 1 is up, the convex shoulder 11 in the hollow stem 1 is along on the medial surface circumference of diameter-changing body 2
The slideway of conical socket 21 on it is sliding, make the spreading of diameter-changing body 2, while the external diameter of diameter-changing body 2 and pump barrel inwall coincide, will be former in pump barrel
Oily pumping；When plunger hollow stem 1 is descending under gravity, the convex shoulder 11 in the hollow stem 1 is understood along in diameter-changing body 2
The slideway of axial conical socket 21 on side surface circumference glides, and the external diameter of diameter-changing body 2 is bounced back, at the same between pump barrel inwall between
Gap becomes big, plunger hollow stem 1 is smoothly come downwards to underground, has so largely dissolved the descending resistance of plunger, added
The flow of reserves pump in pump chamber, crude oil in pump chamber is pumped into sucker rod, has prevented the eccentrically worn tubing inwall of rod collar 10
The problem of, improve pump efficiency.
Refer to Fig. 3-Fig. 6, diameter-changing body structural representation of the present utility model, the diameter-changing body 2 include the first piece 24,
Second piece 25 and the 3rd piece 26.Outside the monoblock type be made up of the first piece 24, the second piece 25 and the 3rd piece 26
Set, three pieces of pieces in the axial direction and spatially on be in " Z " font structure, the broken line of the three pieces of pieces combined
Also it is in " Z " font, and is fitted close in a circumferential direction, in the first piece 24, the second piece 25 and the medial surface of the 3rd piece 26
Circumference is provided with circumference axial direction conical socket 21 corresponding with convex shoulder 11, and coordinates accurately.The both ends of the monoblock type overcoat are set
There is the clutch tooth 22 that the number of teeth with upper rotation set 3 and lower rotation set 4 matches, and monoblock type overcoat rotates around a direction.When hollow
During 1 upstream or downstream of bar, the first piece 24, the second piece 25 and the 3rd piece 26 are nibbled with the tooth for closing rotation set 3 and lower rotation set 4
Conjunction rotates to an angle, and reaches the purpose of spiral-flow type reducing.
Fig. 7 and Fig. 8, the first tile configuration schematic diagram of the present utility model are referred to, the diameter-changing body 2 is by three pieces of pieces
Composition, its structure as illustrated, three pieces of pieces in the axial direction and spatially on be in " Z " font structure, combine and
Into the broken lines of three pieces of pieces be also in " Z " font, a monoblock type overcoat of composition, and it is circumferential be fitted close, advantage is to make change
Diametrically uniform stressed, combining structure are more stable for footpath body 2；Preferably, three pieces are axially arranged in nonlinear type, described non-
Linear pattern arrangement includes piece for the structure with polyline shaped or curvilinear structure；It is in axially relative in general diameter-changing body 2
The structure of straight line, this structure have preferable sealing effectiveness, the clutch tooth 22 of piece two ends and upper rotation set 3 and lower rotation set 4
Coordinate close, determined through field test, diameter-changing body 2 rotates and to engage effect preferable.
Fig. 9 and Figure 10, hollow stem structural representation of the present utility model are referred to, the two ends of hollow stem 1, which are provided with, to be used
In the external screw thread 12 of fixed external piece, the both ends of hollow stem 1 are respectively provided with alignment pin 13 at external screw thread 12, for axially solid
Surely upper rotation set 3 and lower rotation set 4.The alignment pin 13 is matched and circumferentially rotated with the upper rotation set 3 and lower rotation set 4.Set in hollow stem 1
There are more than two circles convex shoulders 11 corresponding with more than two circles axial conical sockets 21, can be along the medial surface circumference of diameter-changing body 2 axial direction
Conical socket 21 slides, and the height of the convex shoulder 11 is less than depth maximum in conical socket 21, and more than in conical socket 21
Minimum depth, it can so realize the spreading or diminution, the purpose for reaching reducing of diameter-changing body 2.
Refer to Figure 11 and Figure 12, upper rotation set structural representation of the present utility model, on the upper rotation set 3 and lower rotation set 4
Provided with the tooth being meshed with the clutch tooth 22 on the diameter-changing body 2.The rotation set 3 in the arrangement of the upper end of hollow stem 1, under lower end is arranged
Rotation set 4, rotation set 4 outside monoblock type with being cased with a gap under rotation set 3 and axially position in axially position, in plunger hollow stem 1
During capable or descending, the diameter-changing body 2 can make the spreading of diameter-changing body 2 or retraction along same direction of rotation turn certain angle,
The function of eddy flow reducing is realized, the problem of avoiding sucker rod non-directional eccentrically worn tubing inwall.
Figure 13 and Figure 14 is referred to, oil-release valve cover structural representation of the present utility model, the oil-release valve cover 6 is by big termination
61 are formed with small end head 62, and the big termination 61 of oil-release valve cover 6 is connected with the upper external screw thread 12 of the hollow stem 1, described fuel-displaced
The big termination 61 of valve bonnet 6 and 62 tapered structure of small end head, and centre position is provided with through hole 63；Compared to traditional delivery valve
Cover, this structure have preferably flow conductivity, and liquid circulates in valve bonnet smooth not to be blocked.
Figure 15 is referred to, the spring structure schematic diagram of the present utility model that rises, the spring 7 that rises is the jump ring with a breach,
The spring 7 that rises is located in the neck 23, and the size variation for the spring that can be achieved to rise, harmomegathus freely, adapts to the diameter-changing body of different radii,
Diameter-changing body 2 is fastened in neck 23 by the spring 7 that rises, and prevents from jumping out.It is described in the operation of the up-down stroke of plunger hollow stem 1
The spring 7 that rises is stuck in the neck 23 of diameter-changing body 2 all the time, will not leave diameter-changing body 2 because of spreading or the retraction of diameter-changing body, advantage is
Stability Analysis of Structures, it is unlikely to deform.
Figure 16 is referred to, thruster structural representation of the present utility model, the lower end of the hollow stem 1, which is threaded with, to push away
Power device 8, the thruster 8 support the use with hollow stem 1.Manufacturing and designing on thruster 8 has eddy flow thrust line, liquid stream turn
Wash inlet valve open, into pump chamber, rising washes delivery valve open and enters oil pipe, and the turn of liquid stream changes operation of the liquid stream in pump chamber
State, make sand is gentle to be difficult to condense and gather in fluid so as to also function to the function of sand prevention and gas-tight.
Specific work process of the present utility model is as follows：During oil well oil-pumping, when oil pumper drives polished rod, oil pumping
Bar, and when pulling plunger hollow stem 1, due to axially position upper rotation set 3 and axially position lower rotation set 4 with monoblock type overcoat
There is a gap, when plunger center-pole 1 is up, now the tooth of the lower rotation set 4 of the engagement of clutch tooth 22 at 2 axial both ends of diameter-changing body, makes
Diameter-changing body 2 is rotated to an angle, while axial direction of several convex shoulders 11 in hollow stem 1 along the medial surface circumference of diameter-changing body 2 is set
The slideway of conical socket 21 put is up, makes 2 gradual spreading of diameter-changing body, while the inwall of the external diameter of diameter-changing body 2 and pump barrel 9 coincide, institute
Steel ball 5 is stated when the intracavitary of oil-release valve cover 6 falls, the band in hollow stem 1 is left, drives crude oil lifting；When hollow stem 1
Under the drive of sucker rod, i.e., when descending by the weight of whole sucker rod group, the tooth of upper rotation set 3 and the clutch tooth 22 of diameter-changing body 2
Engagement is rotated to an angle, while several convex shoulders 11 in hollow stem 1 can be set along the axial direction of medial surface circumference in diameter-changing body 2
Put the slideway of conical socket 21 rotation it is descending, reduce diameter-changing body 2, at the same increase with the inwall gap of pump barrel 9, add in pump
The flow of chamber reserves pump, operation so constantly repeatedly, is pumped into well head by stoste in oil well and enters pipe special.
It is using beneficial effect caused by above-mentioned technical proposal：
1st, spiral-flow type reducing oil well pump of the present utility model, plunger hollow stem convex shoulder provided circumferentially about can be in sucker rod
Under drive, slid axially along the conical socket on diameter-changing body monoblock type overcoat medial surface circumference, turn into a kind of post of reducing
Pump is filled in, makes diameter-changing body monoblock type overcoat spreading or diminution, and realizes that diameter-changing body external diameter coincide with leaving with pump barrel inwall, by pump
Intracavitary crude oil is pumped into pipeline, solves the problems, such as rod collar eccentrically worn tubing inwall；
2nd, in addition, being provided with thruster in the lower end of hollow stem, the thruster supports the use with hollow stem；When in plunger
When empty bar is descending, the pusher of the liquid flow impact plunger hollow stem lower end of underground, manufacturing and designing on the thruster has eddy flow to push away
The line of force, liquid stream turn and wash inlet valve open, into pump chamber, liquid stream rising washes delivery valve open and enters oil pipe, so constantly past
Stoste is pumped into well head and is transported in dedicated pipeline by multiple operation.Advantage is that the turn of liquid stream changes liquid stream in pump chamber
Running status, make sand is gentle to be difficult to condense and gather in fluid, so as to also function to the function of sand prevention and gas-tight；
Furthermore 3, when reducing plunger hollow stem is descending, all stream oil passages are opened, liquid stream is smoothly entered pump
Chamber, the discharge capacity of reserves pump in pump chamber is added, so as to improve pump efficiency, improve oil well daily fluid production rate.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
- A kind of 1. spiral-flow type reducing oil well pump, it is characterised in that：Including hollow stem（1）, it is arranged on the hollow stem（1）Both ends Rotation set in axially position（3）And rotation set under axially position（4）, the hollow stem（1）Upper end is connected with band steel ball（5）Oil-release valve cover （6）, hollow stem（1）Periphery is provided with diameter-changing body（2）, the diameter-changing body（2）It is made up of more than three pieces of piece, more than three pieces of spelling Block can splice as hollow stem（1）Monoblock type overcoat；The medial surface circumference of the monoblock type overcoat is provided with a circle axially cone Connected in star（21）, the hollow stem（1）Periphery is provided with axial conical socket（21）In convex shoulder in axial sliding（11）, it is described convex Shoulder（11）During upward sliding, spreading can be pushed away by being put outside monoblock type；More than two circles axial conical sockets are provided with the monoblock type overcoat（21）, hollow stem（1）Periphery be provided with two circle more than with More than two circles axial conical sockets（21）Corresponding convex shoulder（11）；The excircle of the monoblock type overcoat is provided with elastic reset Part；The both ends of the monoblock type overcoat are provided with and upper rotation set（3）With lower rotation set（4）The radial direction clutch tooth that matches of the number of teeth （22）.
- A kind of 2. spiral-flow type reducing oil well pump according to claim 1, it is characterised in that：Dynamic clamping head and quiet clamping head includes monoblock type Overcoat periphery is provided with two circle above necks（23）, the neck（23）It is interior to be provided with the spring that rises（7）, diameter-changing body can be made（2）Harmomegathus is freely.
- A kind of 3. spiral-flow type reducing oil well pump according to claim 1, it is characterised in that：Rotation set in axially position（3）And Rotation set under axially position（4）Around hollow stem（1）Rotate.
- A kind of 4. spiral-flow type reducing oil well pump according to claim 1, it is characterised in that：Rotation set in axially position（3）And Rotation set under axially position（4）With being cased with a gap outside monoblock type, can make to be enclosed on rotation set outside monoblock type（3）With lower rotation set（4） Between slide axially.
- A kind of 5. spiral-flow type reducing oil well pump according to claim 1, it is characterised in that：The hollow stem（1）Two ends Periphery is provided with external screw thread（12）.
- A kind of 6. spiral-flow type reducing oil well pump according to claim 1, it is characterised in that：The hollow stem（1）Outside both ends Enclose close to external screw thread（12）Place is respectively provided with alignment pin（13）, make rotation set on axial restraint（3）And lower rotation set（4）.
- A kind of 7. spiral-flow type reducing oil well pump according to claim 1, it is characterised in that：The monoblock type overcoat includes the One piece（24）, the second piece（25）And the 3rd piece（26）, and three piece shapes are identical, are in " Z " font.
- A kind of 8. spiral-flow type reducing oil well pump according to claim 1, it is characterised in that：The oil-release valve cover（6）By big Termination（61）With small end head（62）Form, the big termination（61）With the hollow stem（1）Threaded upper ends connection.
- A kind of 9. spiral-flow type reducing oil well pump according to claim 8, it is characterised in that：The oil-release valve cover（6）It is big Termination（61）With small end head（62）Tapered structure arrangement, and centre position is provided with through hole（63）.
- A kind of 10. spiral-flow type reducing oil well pump according to claim 1, it is characterised in that：The hollow stem（1）Lower end spiral shell Line is connected with thruster（8）, the thruster（8）With hollow stem（1）Support the use.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720433695.1U CN206972207U (en) | 2017-04-24 | 2017-04-24 | A kind of spiral-flow type reducing oil well pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720433695.1U CN206972207U (en) | 2017-04-24 | 2017-04-24 | A kind of spiral-flow type reducing oil well pump |
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| Publication Number | Publication Date |
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| CN206972207U true CN206972207U (en) | 2018-02-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106978990A (en) * | 2017-04-24 | 2017-07-25 | 沧州润涛石油设备有限公司 | A kind of spiral-flow type reducing oil well pump |
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2017
- 2017-04-24 CN CN201720433695.1U patent/CN206972207U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106978990A (en) * | 2017-04-24 | 2017-07-25 | 沧州润涛石油设备有限公司 | A kind of spiral-flow type reducing oil well pump |
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