CN208267813U - A kind of double sealing high pressure polished rod sealer - Google Patents
A kind of double sealing high pressure polished rod sealer Download PDFInfo
- Publication number
- CN208267813U CN208267813U CN201820849663.4U CN201820849663U CN208267813U CN 208267813 U CN208267813 U CN 208267813U CN 201820849663 U CN201820849663 U CN 201820849663U CN 208267813 U CN208267813 U CN 208267813U
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- movable block
- polished rod
- sealing
- block
- high pressure
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Abstract
The utility model discloses a kind of double sealing high pressure polished rod sealers of polished rod sealer technical field, including sealing shell, the sealing shell opens up fluted close to the side of polished rod, upper seal is successively installed from top to bottom in the groove, upper gasket ring, upper movable block, lower movable block, lower gasket ring and lower seal, the upper movable block and lower movable block are respectively mounted ball close to the side of polished rod, the adjacent surface of the upper movable block and lower movable block is equipped with inclined-plane, and triangular gap is formed between upper movable block and lower movable block, sliding is provided with jacking block in the triangular gap, threaded hole is offered in the sealing shell, threaded rod is installed in the threaded hole, the polished rod sealer, keep movable block and lower movable block mobile to two sides, to squeeze upper seal and lower seal, expand it to horizontal direction, make sealing Circle and lower seal are adequately bonded with the outer wall of polished rod, to reach sealing, improve the effect of sealing.
Description
Technical field
The utility model relates to polished rod sealer technical field, specially a kind of double sealing high pressure polished rod sealer.
Background technique
During oil exploitation, the pumping unit on ground drives downhole pump work by polished rod, sucker rod,
Downhole crude is extracted into ground, in oil pumping process, polished rod ceaselessly pumps in well head, and in order to keep
The sealing of annular space between polished rod and oil pipe, prevents crude oil from exosmosing, it will usually polished rod sealer be arranged at well head.And by
The many factors such as deform after bearing load in the components of underground working factor, the accuracy of manufacture of pumping unit, pumping unit
Influence, polished rod axis is likely to shift with polished rod sealer axis, and the polished rod was pumping at this time
Cheng Zhong can be accompanied by the horizontal displacement of certain orientation, so as to cause unbalance stress on the contact surface of the sealing ring and the polished rod,
The big surface wear of stress is very fast in the sealing ring, reduces the service life of the sealing ring, causes polished rod seal not tight, because
This, it is proposed that a kind of double sealing high pressure polished rod sealer.
Utility model content
The purpose of this utility model is to provide a kind of double sealing high pressure polished rod sealers, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of double sealing high pressure polished rod sealer, packet
Sealing shell is included, the top and bottom of the sealing shell install pressure cap by bolt, are equipped with polished rod in the sealing shell,
The sealing shell opened up close to the side of polished rod it is fluted, in the groove from top to bottom successively install upper seal, upper pad
Ring, upper movable block, lower movable block, lower gasket ring and lower seal, the upper movable block and lower movable block are equal close to the side of polished rod
The adjacent surface of installation ball, the upper movable block and lower movable block is equipped with inclined-plane, and shape between upper movable block and lower movable block
At triangular gap, sliding is provided with jacking block in the triangular gap, and threaded hole, the spiral shell are offered in the sealing shell
Threaded rod is installed in pit, is connected between the threaded rod and jacking block by bearing, the threaded rod is pacified far from the side of jacking block
Fill handle.
Preferably, the card slot to match with ball is offered on the upper movable block and lower movable block, and card slot is opened
Mouth diameter is less than the diameter of ball.
Preferably, guiding draw runner, and the inclined-plane of upper movable block and lower movable block are respectively mounted at the top and bottom of the jacking block
Offer the guide chute to match with guiding draw runner.
Preferably, the bevel angle of the upper movable block and lower movable block is 30 °.
Preferably, the upper movable block and lower movable block are respectively mounted T-type sliding block close to the side of sealing shell, and seal outer
The T-type sliding slot to match with T-type sliding block is offered on shell.
Preferably, arc groove is offered on the handle, and rubber pad is equipped in arc groove.
Compared with prior art, the utility model has the beneficial effects that the polished rod sealer makes spiral shell by rotating handle
Rasp bar screws in threaded hole and pushes jacking block to close to the movement of the direction of polished rod, makes movable block and lower movable block to two sidesways
It is dynamic, to squeeze upper seal and lower seal, expand it to horizontal direction, make upper seal and lower seal adequately with
The outer wall of polished rod is bonded, to reach sealing, improves the effect of sealing, which uses two sets of sealing structures, when wherein a set of
After seal failure, another set of sealing still can play the role of sealing, and sealing effect is preferable.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the portion the utility model A schematic enlarged-scale view.
In figure: 1 sealing shell, 2 pressure caps, 3 bolts, 4 polished rods, 5 grooves, 6 upper seals, gasket ring on 7, movable block, 9 on 8
Lower movable block, 10 lower gasket rings, 11 lower seals, 12 triangular gaps, 13 jacking blocks, 14 threaded holes, 15 threaded rods, 16 handles, 17
Ball.
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.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of double sealing high pressure polished rod sealer, including
Sealing shell 1, the top and bottom of sealing shell 1 pass through bolt 3 and install pressure cap 2, and polished rod 4, sealing are equipped in sealing shell 1
Shell 1 opens up fluted 5 close to the side of polished rod 4, successively installs upper seal 6 in groove 5 from top to bottom, upper gasket ring 7, moves up
Motion block 8, lower movable block 9, lower gasket ring 10 and lower seal 11, upper movable block 8 and lower movable block 9 are pacified close to the side of polished rod 4
The adjacent surface of dress ball 17, upper movable block 8 and lower movable block 9 is equipped with inclined-plane, and shape between upper movable block 8 and lower movable block 9
At triangular gap 12, sliding is provided with jacking block 13 in triangular gap 12, and threaded hole 14, screw thread are offered in sealing shell 1
Threaded rod 15 is installed in hole 14, is connected between threaded rod 15 and jacking block 13 by bearing, side of the threaded rod 15 far from jacking block 13
Handle 16 is installed.
Wherein, the card slot to match with ball 17, and the opening of card slot are offered on upper movable block 8 and lower movable block 9
Diameter is less than the diameter of ball 17, is conducive to ball and rolls in card slot, and do not fall out, while ball can play polished rod 4
To the effect of limit, prevent polished rod 4 from deviating；
The top and bottom of jacking block 13 are respectively mounted guiding draw runner, and the inclined-plane of upper movable block 8 and lower movable block 9 offers
The guide chute to match with guiding draw runner, is conducive to screw threaded rod 15 simultaneously in threaded hole 14 by rotating handle 16
It pushes jacking block 13 to close to the movement of the direction of polished rod 4, keeps movable block 8 and lower movable block 9 mobile to two sides；
The bevel angle of upper movable block 8 and lower movable block 9 is 30 °, is conducive to jacking block 13 and preferably pushes upper 8 He of movable block
Lower movable block 9 is mobile to two sides, squeezes respectively upper seal 6 and lower seal 11；
Upper movable block 8 and lower movable block 9 are respectively mounted T-type sliding block close to the side of sealing shell 1, and open in sealing shell 1
Equipped with the T-type sliding slot to match with T-type sliding block, is conducive to upper movable block 8 and lower movable block 9 moves in sealing shell 1；
It offers arc groove on handle 16, and is equipped with rubber pad in arc groove, facilitate holding to stop handle 16, improve hand
The comfort of the palm.
Working principle: when polished rod sealer sealing is not tight, by rotating handle 16, make threaded rod 15 in threaded hole 14
It screws and pushes jacking block 13 to close to the movement of the direction of polished rod 4, keep movable block 8 and lower movable block 9 mobile to two sides, to squeeze
Upper seal 6 and lower seal 11 are pressed, it is expanded to horizontal direction, makes upper seal 6 and lower seal 11 adequately and light
The outer wall of bar 4 is bonded, to reach sealing, improves the effect of sealing.
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 (6)
1. a kind of double sealing high pressure polished rod sealer, including sealing shell (1), it is characterised in that: the top of the sealing shell (1)
Portion and bottom pass through bolt (3) installation pressure cap (2), are equipped with polished rod (4) in the sealing shell (1), the sealing shell (1)
Side close to polished rod (4) opens up fluted (5), successively installs upper seal (6), upper pad in the groove (5) from top to bottom
Ring (7), upper movable block (8), lower movable block (9), lower gasket ring (10) and lower seal (11), the upper movable block (8) and move down
Motion block (9) is respectively mounted ball (17) close to the side of polished rod (4), and the adjacent surface of the upper movable block (8) and lower movable block (9) is equal
Triangular gap (12) are formed equipped with inclined-plane, and between upper movable block (8) and lower movable block (9), the triangular gap (12)
Interior sliding is provided with jacking block (13), is offered threaded hole (14) on the sealing shell (1), and spiral shell is installed in the threaded hole (14)
Rasp bar (15) is connect between the threaded rod (15) and jacking block (13) by bearing, and the threaded rod (15) is far from jacking block (13)
Side install handle (16).
2. a kind of double sealing high pressure polished rod sealer according to claim 1, it is characterised in that: the upper movable block (8)
With the card slot to match with ball (17) is offered on lower movable block (9), and the opening diameter of card slot is less than ball (17)
Diameter.
3. a kind of double sealing high pressure polished rod sealer according to claim 1, it is characterised in that: the top of the jacking block (13)
Portion and bottom are respectively mounted guiding draw runner, and the inclined-plane of upper movable block (8) and lower movable block (9) offers and guiding draw runner phase
The guide chute matched.
4. a kind of double sealing high pressure polished rod sealer according to claim 1, it is characterised in that: the upper movable block (8)
Bevel angle with lower movable block (9) is 30 °.
5. a kind of double sealing high pressure polished rod sealer according to claim 1, it is characterised in that: the upper movable block (8)
It is respectively mounted T-type sliding block close to the side of sealing shell (1) with lower movable block (9), and is offered in sealing shell (1) sliding with T-type
The T-type sliding slot that block matches.
6. a kind of double sealing high pressure polished rod sealer according to claim 1, it is characterised in that: opened on the handle (16)
Equipped with arc groove, and rubber pad is equipped in arc groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820849663.4U CN208267813U (en) | 2018-06-04 | 2018-06-04 | A kind of double sealing high pressure polished rod sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820849663.4U CN208267813U (en) | 2018-06-04 | 2018-06-04 | A kind of double sealing high pressure polished rod sealer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208267813U true CN208267813U (en) | 2018-12-21 |
Family
ID=64688454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820849663.4U Active CN208267813U (en) | 2018-06-04 | 2018-06-04 | A kind of double sealing high pressure polished rod sealer |
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| Country | Link |
|---|---|
| CN (1) | CN208267813U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586002A (en) * | 2021-09-28 | 2021-11-02 | 山东尤科斯石油装备有限公司 | Oil field well head safety blowout preventer |
-
2018
- 2018-06-04 CN CN201820849663.4U patent/CN208267813U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586002A (en) * | 2021-09-28 | 2021-11-02 | 山东尤科斯石油装备有限公司 | Oil field well head safety blowout preventer |
| CN113586002B (en) * | 2021-09-28 | 2021-12-03 | 山东尤科斯石油装备有限公司 | Oil field well head safety blowout preventer |
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