CN213116243U - Sucker rod sealing device for pumping well - Google Patents
Sucker rod sealing device for pumping well Download PDFInfo
- Publication number
- CN213116243U CN213116243U CN202021505267.3U CN202021505267U CN213116243U CN 213116243 U CN213116243 U CN 213116243U CN 202021505267 U CN202021505267 U CN 202021505267U CN 213116243 U CN213116243 U CN 213116243U
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- CN
- China
- Prior art keywords
- sleeve
- sealing
- sucker rod
- wall
- rotary
- 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
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 109
- 238000005086 pumping Methods 0.000 title claims abstract description 16
- 210000004907 gland Anatomy 0.000 claims abstract description 19
- 238000012856 packing Methods 0.000 claims abstract description 5
- 239000000945 filler Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 229910001339 C alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model discloses a sucker rod sealing device for pumping well, including sleeve shape flange, the surface of sucker rod body and the inner wall that is located the seal cover are provided with the spacing ring, the lower surface of spacing ring is provided with second seal ring, second seal ring's lower surface is provided with the buffering packing ring, gland's lower surface and the surface that is located the sucker rod body are provided with first sealed lid, the lower surface of first sealed lid is provided with sealed clamping ring, the lower fixed surface of sealed clamping ring is connected with the swivel sleeve. The utility model discloses in, the device uses swivel nut to extrude, makes sealed effect better, and is more convenient when renewal part or dismantlement, extrudees the rotary seal cover when extruding gland and makes the sealed effect greatly increased of sucker rod, and soft or hard is moderate, and the abrasionproof decreases, increases its life.
Description
Technical Field
The utility model relates to an oil well sucker rod sealing device technical field especially relates to a sucker rod sealing device for pumping well.
Background
The sucker rod is a slender rod piece of the pumping well, and is connected with a polished rod at the upper part and an oil well pump at the lower part to play a role in transmitting power. The length of a single sucker rod is 7.62 or 8 meters and 9.14 meters, the material is generally low-carbon alloy steel which is subjected to quenching and tempering, the sucker rod is connected by an internal thread hoop and a root in an oil pipe and extends to a piston at an underground oil layer, and oil is pumped by reciprocating motion.
The sealing device of the prior sucker rod has poor sealing effect, is not anti-abrasion, influences the service life of the sucker rod and is troublesome to disassemble, so the sealing device of the sucker rod for the pumping well is needed to explain the defects.
Disclosure of Invention
The utility model aims at solving the defects existing in the prior art and providing a sucker rod sealing device for an oil pumping well.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a sucker rod sealing device for a pumping well comprises a sleeve-shaped flange, a sucker rod body is arranged inside the sleeve-shaped flange, a sleeve-shaped connecting seat is arranged on the upper surface of the sleeve-shaped flange, a sealing gland is slidably connected to the inner wall of the sleeve-shaped connecting seat and positioned at the upper part of the sleeve-shaped connecting seat, a rotary sealing nut is arranged on the upper surface of the sealing gland, a first sealing gasket is arranged on the inner top surface of the rotary sealing nut, a sealing sleeve is arranged on the lower surface of the first sealing gasket and positioned inside the rotary sealing nut, a limiting ring is arranged on the outer surface of the sucker rod and positioned at the inner wall of the sealing sleeve, a second sealing gasket is arranged on the lower surface of the limiting ring, a buffer gasket is arranged on the lower surface of the second sealing gasket, a first, the lower surface of first sealed lid is provided with sealed clamping ring, the lower fixed surface of sealed clamping ring is connected with the swivel sleeve, the inner wall of swivel sleeve and the lower surface that is located sealed clamping ring are provided with first sealed filler block, the lower surface of first sealed filler block is provided with first sealed pad.
As a further description of the above technical solution:
the inner wall of the rotary sleeve is provided with a second sealing gasket below the first sealing gasket, and the lower surface of the second sealing gasket is provided with a second sealing filler block on the inner wall of the rotary sleeve.
As a further description of the above technical solution:
the inner wall of the sleeve-shaped connecting seat is provided with a pressing plate below the sealing gland, and the pressing plate is located on the outer surface of the sealing pressing ring.
As a further description of the above technical solution:
the inner wall of the sleeve-shaped flange is provided with a limiting sleeve below the rotary sleeve, and the lower surface of the limiting sleeve is fixedly connected with a second sealing cover.
As a further description of the above technical solution:
the lower surface of the sleeve-shaped flange is provided with a bolt, the sleeve-shaped flange is fixedly connected with the sleeve-shaped connecting seat through the bolt, and the outer surface of the bolt and the upper surface of the sleeve-shaped connecting seat are in threaded connection with a nut.
As a further description of the above technical solution:
the second sealing washer and the buffer washer are positioned inside the rotary sealing nut.
The utility model discloses following beneficial effect has:
1. compared with the prior art, the device uses swivel nut to extrude, makes sealed effect better, and is more convenient when changing parts or dismantling.
2. Compared with the prior art, the device increases the rotary sealing cover, extrudes the rotary sealing cover when extruding the sealing gland to greatly increase the sealing effect of the sucker rod, has moderate hardness and wear resistance, and prolongs the service life of the sucker rod.
Drawings
Fig. 1 is a schematic front view of a sucker rod sealing device for an oil pumping well according to the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at C of FIG. 1;
fig. 4 is an enlarged view at B in fig. 1.
Illustration of the drawings:
1. a sleeve-shaped flange; 2. a bolt; 3. a nut; 4. a sleeve-shaped connecting seat; 5. pressing a plate; 6. a sealing gland; 7. rotating the seal nut; 8. sealing sleeves; 9. a first sealing gasket; 10. a second sealing gasket; 11. a cushion washer; 12. a first sealing cover; 13. sealing the pressure ring; 14. a first packing block; 15. a rotating sleeve; 16. a limiting sleeve; 17. a second packing block; 18. a second sealing cover; 19. a sucker rod body; 20. a limiting ring; 21. a first gasket; 22. a second gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: a sucker rod sealing device for a pumping well comprises a sleeve-shaped flange 1, a sucker rod body 19 is arranged inside the sleeve-shaped flange 1, a sleeve-shaped connecting seat 4 is arranged on the upper surface of the sleeve-shaped flange 1, a sealing gland 6 is slidably connected to the inner wall of the sleeve-shaped connecting seat 4 and positioned at the upper part of the inner wall, a rotary sealing nut 7 is arranged on the upper surface of the sealing gland 6, a first sealing gasket 9 is arranged on the inner top surface of the rotary sealing nut 7, a sealing sleeve 8 is arranged on the lower surface of the first sealing gasket 9 and positioned inside the rotary sealing nut 7, a limiting ring 20 is arranged on the outer surface of the sucker rod body 19 and positioned on the inner wall of the sealing sleeve 8 to prevent the sealing sleeve 8 from moving, a second sealing gasket 10 is arranged on the lower surface of the limiting ring 20, a buffer gasket 11 is arranged on the lower surface of the second, the lower surface of the first sealing cover 12 is provided with a sealing press ring 13, the lower surface of the sealing press ring 13 is fixedly connected with a rotating sleeve 15, the inner wall of the rotating sleeve 15 and the lower surface of the sealing press ring 13 are provided with a first sealing filler block 14, and the lower surface of the first sealing filler block 14 is provided with a first sealing gasket 21.
A second sealing gasket 22 is arranged on the inner wall of the rotary sleeve 15 and below the first sealing gasket 21, a second sealing filler block 17 is arranged on the lower surface of the second sealing gasket 22 and on the inner wall of the rotary sleeve 15, a pressure plate 5 is arranged on the inner wall of the sleeve-shaped connecting seat 4 and below the sealing gland 6, the pressing plate 5 is used for extruding the rotary sleeve 15, the pressing plate 5 is located on the outer surface of the sealing pressing ring 13, the inner wall of the sleeve-shaped flange 1 is provided with a limiting sleeve 16 below the rotary sleeve 15, the lower surface of the limiting sleeve 16 is fixedly connected with a second sealing cover 18, the lower surface of the sleeve-shaped flange 1 is provided with a bolt 2, the sleeve-shaped flange 1 is fixedly connected with the sleeve-shaped connecting seat 4 through the bolt 2, the outer surface of the bolt 2 is connected with a nut 3 through threads on the upper surface of the sleeve-shaped connecting seat 4, and the second sealing washer 10 and the buffering washer 11 are located inside the rotary sealing nut 7.
The working principle is as follows: the device is connected and fixed with a sucker rod body 19 through a sleeve-shaped flange 1, and is matched with a sealing sleeve 8 through a rotary sealing nut 7, when the lower surface of the rotary sealing nut 7 contacts a sealing gland 6, the rotary sealing nut 7 is continuously rotated, the sealing gland 6 moves downwards, the sealing gland 6 drives a pressing plate 5 and a first sealing cover 12 to move downwards while moving downwards, then a rotary sleeve 15 is extruded, the rotary sleeve 15 is extruded with a first sealing filler block 14, a second sealing filler block 17, a first sealing gasket 21 and a second sealing gasket 22, the device is more compact in the sucker rod body 19, the sealing effect is better, the rotary sealing nut 7 is rotated in the opposite direction when needing to be replaced or used, and then parts inside the sleeve-shaped connecting seat 4 are replaced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a sucker rod sealing device for pumping well, includes sleeve shape flange (1), its characterized in that: a sucker rod body (19) is arranged inside the sleeve-shaped flange (1), a sleeve-shaped connecting seat (4) is arranged on the upper surface of the sleeve-shaped flange (1), a sealing gland (6) is slidably connected to the inner wall of the sleeve-shaped connecting seat (4) and positioned at the upper part of the sleeve-shaped flange, a rotary sealing nut (7) is arranged on the upper surface of the sealing gland (6), a first sealing washer (9) is arranged on the inner top surface of the rotary sealing nut (7), a sealing sleeve (8) is arranged on the lower surface of the first sealing washer (9) and positioned inside the rotary sealing nut (7), a limiting ring (20) is arranged on the outer surface of the sleeve-shaped flange (19) and positioned on the inner wall of the sealing sleeve (8), a second sealing washer (10) is arranged on the lower surface of the limiting ring (20), and a buffer washer (11), the lower surface of gland (6) and the surface that is located sucker rod body (19) are provided with first sealed lid (12), the lower surface of first sealed lid (12) is provided with sealed clamping ring (13), the lower fixed surface of sealed clamping ring (13) is connected with swivel sleeve (15), the inner wall of swivel sleeve (15) and the lower surface that is located sealed clamping ring (13) are provided with first gland packing piece (14), the lower surface of first gland packing piece (14) is provided with first sealed pad (21).
2. The sucker rod sealing device for pumping wells of claim 1, wherein: the inner wall of the rotary sleeve (15) is provided with a second sealing gasket (22) below the first sealing gasket (21), and the inner wall of the lower surface of the second sealing gasket (22) and the inner wall of the rotary sleeve (15) is provided with a second sealing filler block (17).
3. The sucker rod sealing device for pumping wells of claim 1, wherein: the inner wall of the sleeve-shaped connecting seat (4) is provided with a pressing plate (5) below the sealing gland (6), and the pressing plate (5) is located on the outer surface of the sealing pressing ring (13).
4. The sucker rod sealing device for pumping wells of claim 1, wherein: the inner wall of the sleeve-shaped flange (1) is provided with a limiting sleeve (16) below the rotary sleeve (15), and the lower surface of the limiting sleeve (16) is fixedly connected with a second sealing cover (18).
5. The sucker rod sealing device for pumping wells of claim 1, wherein: the lower surface of sleeve shape flange (1) is provided with bolt (2), sleeve shape flange (1) passes through bolt (2) fixed connection with sleeve shape connecting seat (4), the surface of bolt (2) and the upper surface threaded connection who is located sleeve shape connecting seat (4) have nut (3).
6. The sucker rod sealing device for pumping wells of claim 1, wherein: the second sealing washer (10) and the buffer washer (11) are positioned inside the rotary sealing nut (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021505267.3U CN213116243U (en) | 2020-07-27 | 2020-07-27 | Sucker rod sealing device for pumping well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021505267.3U CN213116243U (en) | 2020-07-27 | 2020-07-27 | Sucker rod sealing device for pumping well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213116243U true CN213116243U (en) | 2021-05-04 |
Family
ID=75680321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021505267.3U Expired - Fee Related CN213116243U (en) | 2020-07-27 | 2020-07-27 | Sucker rod sealing device for pumping well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213116243U (en) |
-
2020
- 2020-07-27 CN CN202021505267.3U patent/CN213116243U/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: 20210504 |