CN208502739U - A kind of production wellhead oil extraction device - Google Patents
A kind of production wellhead oil extraction device Download PDFInfo
- Publication number
- CN208502739U CN208502739U CN201821026892.2U CN201821026892U CN208502739U CN 208502739 U CN208502739 U CN 208502739U CN 201821026892 U CN201821026892 U CN 201821026892U CN 208502739 U CN208502739 U CN 208502739U
- Authority
- CN
- China
- Prior art keywords
- guide plate
- sucker rod
- block
- oil extraction
- socketed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of production wellhead oil extraction devices, including oil pipe, the inner surface of the oil pipe slidably connects pump block, the upper end face of the pump block is fixedly connected with sucker rod, the lower side external surface of the sucker rod is socketed with plunger, the upside bilateral symmetry of the sucker rod passes through sliding slot and slidably connects guide plate, the upper end face of the guide plate is equipped with handle, the upper interior of the guide plate is plugged with lock pin by through-hole, the right side of the lock pin is plugged with sucker rod by lock groove, the left outer surface of the lock pin is socketed with back-moving spring, the two sides internal symmetry of the pump block is equipped with sealing square hole, the pump block is plugged with guide plate by sealing square hole, the upper inside surface of the sealing square hole is socketed with sealing-plug.The production wellhead oil extraction device realizes that scraper plate strikes off the grease of adherency along the inner wall of oil pipe, realizes scraper plate eaily dismounting and change.
Description
Technical field
The utility model relates to oil extraction device technical field, specially a kind of production wellhead oil extraction device.
Background technique
Extracting device of oil in petroleum industry at present mostly drives pump type oil extraction device in underground to complete using pumping unit, this
Oil extraction device is that the pump block of down-hole pump and one-way bottom valve are disposed underground along oil well casing during oil extraction, by oil pipe successively lower going-into-well
In, then by plunger by being mounted on sucker rod end, in sucker rod lower going-into-well, and enter in pump block, by pumping unit
It is reciprocal to move up and down to complete oil extraction operation, however, existing oil extraction device, does not have slide-and-guide blade structure usually, due to
Crude oil is to be easier to be adhered on the inner wall of oil pipe for sticky mass, and over time, it is obstructed to will cause oil pipe, in addition,
Greatly most without U-shaped card block clamping structure, from being unable to realize scraper plate eaily dismounting and change.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of production wellhead oil extraction device
Problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of production wellhead oil extraction device, including oil
Pipe, the inner surface of the oil pipe slidably connect pump block, and the upper end face of the pump block is fixedly connected with sucker rod, the oil pumping
The lower side external surface of bar is socketed with plunger, and the upside bilateral symmetry of the sucker rod passes through sliding slot and slidably connects guide plate, institute
The upper end face for stating guide plate is equipped with handle, and the upper interior of the guide plate is plugged with lock pin, the locking by through-hole
The right side of pin is plugged with sucker rod by lock groove, and the left outer surface of the lock pin is socketed with back-moving spring, the pump block
Two sides internal symmetry be equipped with sealing square hole, the pump block is plugged with guide plate by sealing square hole, described to seal the upper of square hole
Side inner surface is socketed with sealing-plug.
Preferably, the lower inner part of the sucker rod is rotatably connected to link block, the outer surface of the shaft by shaft
It is socketed with torsional spring.
Preferably, the lower inner part of the link block is equipped with guide groove, and the link block slidably connects U-shaped card by guide groove
The middle part left end surface of block, the U-shaped card block is equipped with briquetting.
Preferably, the left end surface of the U-shaped card block is fixedly connected with spring, passes through card slot on the downside of the U-shaped card block
It is connected with scraper plate.
Compared with prior art, the utility model has the beneficial effects that the production wellhead oil extraction device, is scraped by slide-and-guide
Hardened structure realizes scraper plate and strikes off the grease of adherency along the inner wall of oil pipe, by U-shaped card block clamping structure, realizes and scrape
Plate eaily dismounting and change.
Detailed description of the invention
Fig. 1 is the overall structure facade view of the utility model；
Fig. 2 is the scraper plate U-shaped card block clamping structure partial sectional view of the utility model.
In figure: 1 oil pipe, 2 pump blocks, 3 sucker rods, 31 sliding slots, 32 guide plates, 33 through-holes, 34 lock pins, 35 lock grooves, 36
Back-moving spring, 37 handles, 4 plungers, 5 sealing-plugs, 6 sealing square holes, 7 shafts, 8 torsional springs, 9 link blocks, 10 guide grooves, 11U type fixture block,
12 briquettings, 13 springs, 14 card slots, 15 scraper plates.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
Refering to fig. 1, a kind of production wellhead oil extraction device, including oil pipe 1, the inner surface of oil pipe 1 slidably connect pump block 2, pump
The upper end face of set 2 is fixedly connected with sucker rod 3, and the lower side external surface of sucker rod 3 is socketed with plunger 4, and the upside of sucker rod 3 is left
Right symmetrically to slidably connect guide plate 32 by sliding slot 31, the upper end face of guide plate 32 is equipped with handle 37, guide plate 32 it is upper
Lock pin 34 is plugged with by through-hole 33 inside side, the right side of lock pin 34 is plugged with sucker rod 3, lock pin by lock groove 35
34 left outer surface is socketed with back-moving spring 36, unclamps lock pin 34, and back-moving spring 36 can be driven by pull-back forces to the right
Lock pin 34 is inserted into lock groove 35 to the right, plays the role of the sliding latch to guide plate 32, and the two sides internal symmetry of pump block 2 is set
There is sealing square hole 6, the inner surface of sealing square hole 6 is equipped with soft silica gel sealing plush copper, has high resiliency, the appearance with link block 9
Face keeps certain pressing force, which is squeezed that deformation occurs, and formed with the outer surface of link block 9 squeeze it is close
Envelope improves leakproofness, and pump block 2 is plugged with guide plate 32 by sealing square hole 6, and the upper inside surface of sealing square hole 6 is socketed with
Sealing-plug 5, sealing-plug 5 are made of EVA rubber material, squeeze with the outer surface of guide plate 32, play the role of sealing, not into
Under the premise of row oil extraction operation, lock pin 34 is pulled to the left and exits lock groove 35, handle 37 is held and pulls down guide plate 32,
It drives guide plate 32 to move down along sliding slot 31, the link block 9 of downside, scraper plate 15 is driven to move down along sealing square hole 6,
When 15 downward out sealing square hole 6 of scraper plate, torsional spring 8 can give the torsion of link block 9 centered on shaft 7 clockwise to the left,
Link block 9, scraper plate 15 is driven to rotate to the left clockwise, when the left end surface pivots of link block 9 are to the left side with guide plate 32
Until when contact compresses, scraper plate 15 is in horizontality at this time and its left end surface contacts compression with the inner left wall of oil pipe 1,
As guide plate 32 continues to move down, scraper plate 15 is driven to move down and will be adhered on inner wall along the inner wall of oil pipe 1
Grease strikes off, and improves the patency of 1 inner wall of oil pipe.
Referring to Fig.2, the lower inner part of sucker rod 3 is rotatably connected to link block 9, the outer surface socket of shaft 7 by shaft 7
There is torsional spring 8, torsional spring 8 can give the torsion of link block 9 centered on shaft 7 clockwise to the left, drive link block 9, scraper plate 15 suitable
Hour hands rotate to the left, when the left end surface pivots of link block 9 with the left end face contact of guide plate 32 until when compressing.
Referring to Fig.2, the lower inner part of link block 9 is equipped with guide groove 10, link block 9 slidably connects U-shaped card by guide groove 10
The middle part left end surface of block 11, U-shaped card block 11 is equipped with briquetting 12.
Referring to Fig.2, the left end surface of U-shaped card block 11 is fixedly connected with spring 13, the downside of U-shaped card block 11 passes through card slot 14
It is connected with scraper plate 15, scraper plate 15 is made of soft EVA rubber material, will not be to oil pipe 1 under the premise of guaranteeing scraping effect
Inner wall generate scratch, under the premise of without oil extraction operation, scraper plate 15 be vulnerable part, when needing replacing scraper plate 15, first
The sealing-plug 5 of 2 upside of pump block is extracted, then, moves up guide plate 32, and the scraper plate 15 of downside is driven to move upward out sealing
Square hole 6 then presses to the right briquetting 12, drives U-shaped card block 11 to move right, exits card slot to the right to the dogleg section on the downside of it
Until when 14,13 compressive deformation of spring at this time, then move down scraper plate 15 can by its it is convenient dismantle, then new be scraped
Plate 15 moves up, and until when card slot 14 is aligned with the dogleg section of 11 downside of U-shaped card block, unclamps briquetting 12,13 meeting of spring
Drive the dogleg section of 11 downside of U-shaped card block to be caught in card slot 14 to the left by screen resilience to the left, can eaily by
Scraper plate 15 is installed.
When the utility model is specifically implemented: in use, pulling lock pin to the left under the premise of without oil extraction operation
34 and lock groove 35 is exited, holds handle 37 and pull down guide plate 32, drive guide plate 32 to move down along sliding slot 31, band
Link block 9, the scraper plate 15 of dynamic downside are moved down along sealing square hole 6, when 15 downward out sealing square hole 6 of scraper plate, torsional spring 8
The torsion of link block 9 centered on shaft 7 clockwise to the left can be given, link block 9, scraper plate 15 is driven to rotate to the left clockwise,
When the left end surface pivots of link block 9 with the left end face contact of guide plate 32 until when compressing, scraper plate 15 is in level at this time
State and its left end surface contact compression with the inner left wall of oil pipe 1, as guide plate 32 continues to move down, drive scraper plate
15 move down along the inner wall of oil pipe 1 and strike off the grease being adhered on inner wall, improve the patency of 1 inner wall of oil pipe,
In addition, scraper plate 15 is vulnerable part under the premise of without oil extraction operation, when needing replacing scraper plate 15, first by 2 upside of pump block
Sealing-plug 5 extract, then, move up guide plate 32, and drive downside scraper plate 15 move upward out sealing square hole 6, then
To the right press briquetting 12, drive U-shaped card block 11 move right, when the dogleg section on the downside of it exits card slot 14 to the right until,
13 compressive deformation of spring, then new scraper plate 15 can be moved up its convenient disassembly by then moving down scraper plate 15,
Until when card slot 14 is aligned with the dogleg section of 11 downside of U-shaped card block, briquetting 12 is unclamped, spring 13 passes through screen resilience to the left
It drives the dogleg section of 11 downside of U-shaped card block to be caught in card slot 14 to the left, eaily scraper plate 15 can be installed.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of production wellhead oil extraction device, including oil pipe (1), it is characterised in that: the inner surface of the oil pipe (1) slidably connects
The upper end face of pump block (2), the pump block (2) is fixedly connected with sucker rod (3), the lower side external surface set of the sucker rod (3)
It is connected to plunger (4), the upside bilateral symmetry of the sucker rod (3) passes through sliding slot (31) and slidably connects guide plate (32), described
The upper end face of guide plate (32) is equipped with handle (37), and the upper interior of the guide plate (32) is plugged with lock by through-hole (33)
The right side of shotpin (34), the lock pin (34) is plugged with sucker rod (3) by lock groove (35), a left side for the lock pin (34)
Side external surface is socketed with back-moving spring (36), and the two sides internal symmetry of the pump block (2) is equipped with sealing square hole (6), the pump block
(2) it is plugged with guide plate (32) by sealing square hole (6), the upper inside surface of sealing square hole (6) is socketed with sealing-plug
(5)。
2. a kind of production wellhead oil extraction device according to claim 1, it is characterised in that: in the downside of the sucker rod (3)
Portion is rotatably connected to link block (9) by shaft (7), and the outer surface of the shaft (7) is socketed with torsional spring (8).
3. a kind of production wellhead oil extraction device according to claim 2, it is characterised in that: in the downside of the link block (9)
Portion is equipped with guide groove (10), and the link block (9) is slidably connected U-shaped card block (11) by guide groove (10), the U-shaped card block (11)
Middle part left end surface be equipped with briquetting (12).
4. a kind of production wellhead oil extraction device according to claim 3, it is characterised in that: the left end of the U-shaped card block (11)
Surface is fixedly connected with spring (13), and the downside of the U-shaped card block (11) is connected with scraper plate (15) by card slot (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821026892.2U CN208502739U (en) | 2018-07-01 | 2018-07-01 | A kind of production wellhead oil extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821026892.2U CN208502739U (en) | 2018-07-01 | 2018-07-01 | A kind of production wellhead oil extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208502739U true CN208502739U (en) | 2019-02-15 |
Family
ID=65281889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821026892.2U Expired - Fee Related CN208502739U (en) | 2018-07-01 | 2018-07-01 | A kind of production wellhead oil extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208502739U (en) |
-
2018
- 2018-07-01 CN CN201821026892.2U patent/CN208502739U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20190701 |