CN209704523U - A kind of adjusting center sealing machine for oil well polish rod - Google Patents
A kind of adjusting center sealing machine for oil well polish rod Download PDFInfo
- Publication number
- CN209704523U CN209704523U CN201920447651.3U CN201920447651U CN209704523U CN 209704523 U CN209704523 U CN 209704523U CN 201920447651 U CN201920447651 U CN 201920447651U CN 209704523 U CN209704523 U CN 209704523U
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- China
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- aligning
- stuffing box
- tuningout
- seat
- sealing element
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Abstract
A kind of adjusting center sealing machine for oil well polish rod, including pressure cap, pressing sleeve, sealing element, aligning pressure cap, aligning stuffing box, aligning sealing ring, aligning seat, upper locking cap, upper seal, connect gland, take over sealing element, lower locking cap, tuningout pressure cap, tuningout body, lower seal, pedestal, when not repeated due to pumping unit installation error polished rod axis with wellhead assembly axis, the axis of adjustable tuningout body makes its axis coaxle with polished rod, it can guarantee that sealing element is uniformly in the surrounding of polished rod and eccentric wear does not occur, the service life of sealing element can be improved, the sphere of aligning stuffing box lower part can rotate in aligning seat upper spherical concave surface, the axis of aligning stuffing box can be changed with polished rod axis, make strength of not spraining between polished rod and aligning stuffing box, sealing element is further prevented to generate eccentric wear, it is stranded this, the utility model can increase sealing element Service life reduces the number of replacement sealing element, reduces management oil well difficulty, reduces labor intensity of workers, pumpingh well is avoided frequently to stop well.
Description
Technical field
The utility model is the wellhead equipment of oil exploitation, is sealing machine for oil well polish rod, is a kind of adjusting center oil pumping
Well polished rod sealer.
Background technique
Blowout in order to prevent when pumpingh well is pumped with sucker rod will install sealing on the flow tee of wellhead assembly
Device connects pumping unit across the bar top of sealer, and lower part connecting with pumping rod is sealed to guarantee to cooperate with sealer, passed through
The body of rod surface processing of sealer is very smooth, so referred to as polished rod, sealer are also known as polished rod sealer.Existing polished rod
Sealer type is more, but all haves the defects that certain, axis and well of its sealing element mounting box after being mounted on well head
The axis coaxle of mouth device, pumping unit is there are installation error, polished rod and well head when oil pumping polish rod is suspended on the horse head of pumping unit
Device not coaxial line makes sealing element mounting box in polished rod sealer and polished rod not coaxial line, there are problems that sealing element eccentric wear, close
The service life of sealing is short, and frequent shutdown is needed to replace sealing element, and labor intensity of workers is big, needs to stop taking out when replacing sealing element
Oil machine operation is just able to achieve replacement sealing element, and for heavy oil wells and sand output well, after stoppage in transit plus seal, being easy to appear cannot be normal
The accident to drive a well again, it will cause heavy economic losses.
Summary of the invention
The purpose of this utility model is to design a kind of adjusting center sealing machine for oil well polish rod, makes sealing element mounting box and polished rod
Coaxial line avoids sealing element from eccentric wear occur, increases the service life of sealing element, reduces the number of replacement sealing element, reduces management
Oil well difficulty reduces labor intensity of workers, pumpingh well is avoided frequently to stop well.
Purpose of the utility model is realized as follows: including pressure cap, pressing sleeve, sealing element, aligning pressure cap, aligning filler
Box, aligning sealing ring, aligning seat, upper locking cap, upper seal, connect gland, take over sealing element, lower locking cap, tuningout pressure cap,
Tuningout body, lower seal, pedestal, the lower outer diameter of tuningout body are greater than the upper inner diameter of tuningout pressure cap, the inside platform of tuningout pressure cap
Shoulder tangles the lower part shoulder of tuningout body, lower seal is installed in the upper surface annular groove of pedestal, the lower end seat of tuningout body is in pedestal
On, lower seal is pushed down in the lower end of tuningout body, between lower seal seals between the lower end surface of tuningout body and the upper surface of pedestal
Gap, the lower thread of tuningout pressure cap are threadedly coupled with the top of pedestal, and sealing element, lower locking cap are taken in the inside installation of tuningout body
The external screw thread of internal screw thread and tuningout body screw, lower locking cap is in the externally threaded lower section of tuningout body, outside the lower part of aligning seat
Upper seal is installed on wall, the lower part of aligning seat is inserted into the top of tuningout body, and upper seal enters in the top of tuningout body, on
Sealing ring seals the gap between aligning seat and tuningout body, and connection gland is suspended on the shoulder of aligning seat, connects under gland
Portion's screw thread is threadedly coupled with the top of tuningout body, and the internal screw thread of upper locking cap and the external screw thread of aligning seat connect, at upper locking cap
In the externally threaded lower section of aligning seat, upper locking cap pushes down connection gland, and lower locking cap is tightly connected gland from following spelling, makes to connect
The connection screw thread of gland and tuningout body cannot move back button, prevent aligning seat from axial float, spherical concave surface, ball are arranged at the top of aligning seat
Shape is concave upright, aligning sealing ring is installed in the seal groove of the spherical concave surface on aligning seat top, the lower part of aligning stuffing box has
There are spherical concave surface in sphere, the inside of aligning pressure cap, and spherical female downwards, fill out with aligning by the diameter of aligning pressure cap inner spherical concave surface
The diameter of magazine lower spherical is identical, the diameter and the diameter phase of aligning seat upper spherical concave surface of aligning stuffing box lower spherical
Together, aligning pressure cap inner spherical concave surface is suspended on the sphere of aligning stuffing box lower part, and the sphere of aligning stuffing box lower part is sitting in
In aligning seat upper spherical concave surface, the sphere of aligning stuffing box lower part pushes down aligning sealing ring, and aligning sealing ring sealing aligning is filled out
Gap between the sphere and aligning seat upper spherical concave surface of magazine lower part, the internal screw thread under aligning pressure cap inner spherical concave surface
Connect with the external screw thread upper section of aligning seat, enable the sphere of aligning stuffing box lower part rotated in aligning seat upper spherical concave surface but
The two cannot be detached from, and sealing element is installed in the sealing drum of aligning stuffing box, and pressing sleeve is inserted into the sealing drum of aligning stuffing box, pressing sleeve
Sealing element is pushed down in lower end, and the top outer diameter of pressing sleeve is greater than the diameter of the sealing drum of aligning stuffing box, pressure cap and aligning stuffing box
Top is threadedly coupled, and the upper inner diameter of pressure cap is less than the top outer diameter of pressing sleeve, and rotation pressure cap can make pressing sleeve compress sealing element.
It is not weighed due to pumping unit installation error polished rod axis with wellhead assembly axis the beneficial effects of the utility model are: working as
When multiple, the axis of adjustable tuningout body makes its axis coaxle with polished rod, it is ensured that sealing element is uniformly in the four of polished rod
Eccentric wear does not occur for week, can improve the service life of sealing element, the sphere of aligning stuffing box lower part can be recessed in aligning seat upper spherical
It is rotated in face, the axis of aligning stuffing box can be changed with polished rod axis, make strength of not spraining between polished rod and aligning stuffing box, further
Prevent sealing element from generating eccentric wear, therefore, the utility model can increase the service life of sealing element, reduce time of replacement sealing element
Number reduces management oil well difficulty, reduces labor intensity of workers, pumpingh well is avoided frequently to stop well, has significant economic benefit.
Detailed description of the invention
Attached drawing 1 is the installation diagram of the utility model embodiment.
Specific embodiment
1 pair of the embodiments of the present invention is illustrated with reference to the accompanying drawing.
As shown in Figure 1, the embodiments of the present invention include that pressure cap 1, pressing sleeve 2, sealing element 3, aligning pressure cap 4, aligning are filled out
Magazine 5, aligning seat 7, upper locking cap 8, upper seal 9, connection gland 10, takes over sealing element 11, lower locking at aligning sealing ring 6
The lower outer diameter of cap 12, tuningout pressure cap 13, tuningout body 14, lower seal 15, pedestal 16, tuningout body 14 is greater than tuningout pressure cap 13
Upper inner diameter, the inner circular bead of tuningout pressure cap 13 tangle the lower part shoulder of tuningout body 14, pacify in the upper surface annular groove of pedestal 16
Sealing ring 15 is loaded, for the lower end seat of tuningout body 14 on pedestal 16, lower seal 15, lower seal are pushed down in the lower end of tuningout body 14
Gap between the lower end surface of 15 sealing tuningout bodies 14 and the upper surface of pedestal 16, the lower thread and pedestal 16 of tuningout pressure cap 13
Top be threadedly coupled, sealing element 11 is taken in the installation of the inside of tuningout body 14, the internal screw thread of lower locking cap 12 and tuningout body 14
External screw thread screws, and lower locking cap 12 is in the externally threaded lower section of tuningout body 14, installs sealing on the lower part outer wall of aligning seat 7
The lower part of circle 9, aligning seat 7 is inserted into the top of tuningout body 14, and upper seal 9 enters in the top of tuningout body 14, upper seal 9
The gap between aligning seat 7 and tuningout body 14 is sealed, connection gland 10 is suspended on the shoulder of aligning seat 7, connection gland 10
Lower thread is threadedly coupled with the top of tuningout body 14, and the internal screw thread of upper locking cap 8 is connect with the external screw thread of aligning seat 7, locking
Tight cap 8 is in the externally threaded lower section of aligning seat 7, and upper locking cap 8 pushes down connection gland 10, and lower locking cap 12 is close to from following spelling
Gland 10 is connect, prevents the connection screw thread for connecting gland 10 and tuningout body 14 from moving back button, prevents aligning seat 7 from axial float, aligning
Spherical concave surface is arranged at the top of seat 7, spherical concave upright, and it is close that aligning is installed in the seal groove of the spherical concave surface on 7 top of aligning seat
Sphere arranged at seal 6, the lower part of aligning stuffing box 5, and there is a spherical concave surface in the inside of aligning pressure cap 4, spherical female downwards, aligning pressure cap
The diameter of 4 inner spherical concave surfaces is identical as the diameter of 5 lower spherical of aligning stuffing box, the diameter of 5 lower spherical of aligning stuffing box
Identical as the diameter of 7 upper spherical concave surface of aligning seat, 4 inner spherical concave surface of aligning pressure cap is suspended on 5 lower part of aligning stuffing box
On sphere, the sphere of 5 lower part of aligning stuffing box is sitting in 7 upper spherical concave surface of aligning seat, the sphere pressure of 5 lower part of aligning stuffing box
Firmly aligning sealing ring 6, aligning sealing ring 6 seal between the 7 upper spherical concave surface of sphere and aligning seat of 5 lower part of aligning stuffing box
Gap, the internal screw thread under 4 inner spherical concave surface of aligning pressure cap are connect with the external screw thread upper section of aligning seat 7, make aligning stuffing box 5
The sphere of lower part can rotate in 7 upper spherical concave surface of aligning seat but the two cannot be detached from, peace in the sealing drum of aligning stuffing box 5
Sealing element 3 is filled, pressing sleeve 2 is inserted into the sealing drum of aligning stuffing box 5, and sealing element 3, the top outer diameter of pressing sleeve 2 are pushed down in the lower end of pressing sleeve 2
Greater than the diameter of the sealing drum of aligning stuffing box 5, pressure cap 1 is threadedly coupled with the top of aligning stuffing box 5, in the top of pressure cap 1
Diameter is less than the top outer diameter of pressing sleeve 2, and rotation pressure cap 1 can make pressing sleeve 2 compress sealing element 3.
When installing on the utility model to wellhead assembly, utility model is set on the light in well and passing through wellhead assembly
On bar, pedestal 16 is connect with wellhead assembly, pedestal 16 and wellhead assembly coaxial line, is installed interior installation in tuningout body 14 and is taken over sealing
After part 11, tuningout body 14 just with light-rod coaxial line, then tightens the connection screw thread between tuningout pressure cap 13 and pedestal 16, polished rod
Eccentric wear would not be generated with the airtight and watertight padding in tuningout body 14.In aligning stuffing box 5 after installation sealing element 3 its axis also with light
Bar is coaxial, and polished rod will not eccentric wear sealing element 3.
The utility model is taken over sealing element 11 when working normally and is not compacted, and polished rod, which is not worn, takes over sealing element 11.It needs
When overhauling the component on part 5, rotation connection gland 10 makes the compression of 7 downlink of aligning seat take over sealing element 11, makes to take over sealing element
11 devote oneself to work seal up polished rod after, then component on demolition part 5 overhauled.Connection gland is unclamped again after the completion of Awaiting Overhaul
10, make to take over sealing element 11 and be in off working state, pulls tight locking cap 8, lower locking cap 12, prevent about 7 play of aligning seat.
Claims (1)
1. a kind of adjusting center sealing machine for oil well polish rod, including pressure cap (1), pressing sleeve (2), sealing element (3), aligning pressure cap (4), tune
Heart stuffing box (5), aligning seat (7), upper locking cap (8), upper seal (9), connection gland (10), is taken over aligning sealing ring (6)
Sealing element (11), lower locking cap (12), tuningout pressure cap (13), tuningout body (14), lower seal (15), pedestal (16), feature
Be: the lower outer diameter of tuningout body (14) is greater than the upper inner diameter of tuningout pressure cap (13), and the inner circular bead of tuningout pressure cap (13) tangles
The lower part shoulder of tuningout body (14) installs lower seal (15) in the upper surface annular groove of pedestal (16), under tuningout body (14)
End seat on pedestal (16), push down lower seal (15) by the lower end of tuningout body (14), and lower seal (15) seals tuningout body (14)
Lower end surface and pedestal (16) upper surface between gap, the top spiral shell of the lower thread of tuningout pressure cap (13) and pedestal (16)
The inside installation of line connection, tuningout body (14) is taken over sealing element (11), internal screw thread and tuningout body (14) of lower locking cap (12)
External screw thread screws, and lower locking cap (12) is in the externally threaded lower section of tuningout body (14), installs on the lower part outer wall of aligning seat (7)
The lower part of upper seal (9), aligning seat (7) is inserted into the top of tuningout body (14), and upper seal (9) enters tuningout body (14)
In top, upper seal (9) seals the gap between aligning seat (7) and tuningout body (14), and connection gland (10) is suspended on aligning
On the shoulder of seat (7), the lower thread of connection gland (10) is threadedly coupled with the top of tuningout body (14), upper locking cap (8)
Internal screw thread is connect with the external screw thread of aligning seat (7), and upper locking cap (8) is in the externally threaded lower section of aligning seat (7), upper locking cap
(8) connection gland (10) is pushed down, lower locking cap (12) is tightly connected gland (10) from following spelling, makes to connect gland (10) and tuningout body
(14) connection screw thread cannot move back button, and aligning seat (7) is made to be unable to axial float, and spherical concave surface is arranged at the top of aligning seat (7), spherical
It is concave upright, aligning sealing ring (6) are installed in the seal groove of the spherical concave surface on aligning seat (7) top, aligning stuffing box (5)
Sphere arranged at lower part, and there is a spherical concave surface in the inside of aligning pressure cap (4), spherical female downwards, aligning pressure cap (4) inner spherical concave surface
Diameter is identical as the diameter of aligning stuffing box (5) lower spherical, the diameter of aligning stuffing box (5) lower spherical and aligning seat (7)
The diameter of upper spherical concave surface is identical, and aligning pressure cap (4) inner spherical concave surface is suspended on the sphere of aligning stuffing box (5) lower part
On, the sphere of aligning stuffing box (5) lower part is sitting in aligning seat (7) upper spherical concave surface, the sphere of aligning stuffing box (5) lower part
It pushes down aligning sealing ring (6), aligning sealing ring (6) seals the sphere and aligning seat (7) upper spherical of aligning stuffing box (5) lower part
The external screw thread upper section in the gap between concave surface, internal screw thread and aligning seat (7) under aligning pressure cap (4) inner spherical concave surface connects
It connects, enables that the sphere of aligning stuffing box (5) lower part rotates in aligning seat (7) upper spherical concave surface but the two cannot be detached from, adjust
Sealing element (3) are installed in the sealing drum of heart stuffing box (5), pressing sleeve (2) is inserted into the sealing drum of aligning stuffing box (5), pressing sleeve (2)
Lower end is pushed down sealing element (3), and the top outer diameter of pressing sleeve (2) is greater than the diameter of the sealing drum of aligning stuffing box (5), pressure cap (1) with
The top of aligning stuffing box (5) is threadedly coupled, and the upper inner diameter of pressure cap (1) is less than the top outer diameter of pressing sleeve (2), rotates pressure cap
(1) pressing sleeve (2) can be made to compress sealing element (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920447651.3U CN209704523U (en) | 2019-04-04 | 2019-04-04 | A kind of adjusting center sealing machine for oil well polish rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920447651.3U CN209704523U (en) | 2019-04-04 | 2019-04-04 | A kind of adjusting center sealing machine for oil well polish rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209704523U true CN209704523U (en) | 2019-11-29 |
Family
ID=68648880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920447651.3U Active CN209704523U (en) | 2019-04-04 | 2019-04-04 | A kind of adjusting center sealing machine for oil well polish rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209704523U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024086917A1 (en) * | 2022-10-25 | 2024-05-02 | Domino Machine Inc. | Self-aligning stuffing box |
-
2019
- 2019-04-04 CN CN201920447651.3U patent/CN209704523U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024086917A1 (en) * | 2022-10-25 | 2024-05-02 | Domino Machine Inc. | Self-aligning stuffing box |
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