CN207177799U - Oil pumper Universal sealed component - Google Patents
Oil pumper Universal sealed component Download PDFInfo
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- CN207177799U CN207177799U CN201721175050.9U CN201721175050U CN207177799U CN 207177799 U CN207177799 U CN 207177799U CN 201721175050 U CN201721175050 U CN 201721175050U CN 207177799 U CN207177799 U CN 207177799U
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- letter body
- ring
- sealed
- oil
- sealed letter
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Abstract
Oil pumper Universal sealed component is high and low pressure reciprocating oil pumping unit wellhead sealing technology, it overcomes the shortcomings that other technologies, it includes lower main letter body, upper main letter body, sealed letter body, upper seal support, bottom sealing socket, sealed letter body pressure cap, upper guide ring, lower guide ring, packing, asbestos seal pad, upper subdivision ring, lower subdivision ring, pressure ring, the first preloading spring, tapered sleeve pressure cap, the second preloading spring, well head Taper Pipe jointing, the sealed letter body is internally provided with the cavity of a lengthwise, oil-extractor polish-rod runs through sealed letter body, is passed from lower main letter body；The internal cavity face at the sealed letter body both ends is provided with screw thread, and tapered sleeve pressure cap is threadedly coupled with sealed letter body lower end, and tapered sleeve pressure cap is enclosed on oil-extractor polish-rod；Preloading spring, pressure ring, lower subdivision ring, upper subdivision ring are followed successively by the left of tapered sleeve pressure cap, and is sequentially sleeved in from right side on oil-extractor polish-rod.
Description
Technical field
It the utility model is related to high and low pressure reciprocating oil pumping unit wellhead sealing technology, especially oil pumper Universal sealed component.
Background technology
At present it is known that oil pumper oil-extractor polish-rod during oil exploitation seals, moving parts and seal be present
Short life, phenomena such as causing crude oil leakage.The basic reason for forming this phenomenon is：1st, there is considerable impurity in crude oil,
The more havoc power of these miscellaneous closure materials, ultimately result in sealing and movement parts failure；2nd, Christmas tree wellhead and oil-extractor polish-rod
Misaligning property and polished rod have oscillatory when pumping, and cause oil-extractor polish-rod to rub partially encapsulant, this 2 points
The main reason for being current Wellhead crue oil leakage.
The content of the invention
The purpose of this utility model be to provide it is a kind of simple in construction, service life length and can universal adjustment oil pumper it is universal
Seal assembly, the shortcomings that it overcomes other technologies, the purpose of this utility model be achieved in that it include lower main letter body,
Upper main letter body, sealed letter body, upper seal support, bottom sealing socket, sealed letter body pressure cap, upper guide ring, lower guide ring, packing, asbestos
Sealing gasket, upper subdivision ring, lower subdivision ring, pressure ring, the first preloading spring, tapered sleeve pressure cap, the second preloading spring, the connection of well head Taper Pipe
Joint, the sealed letter body are internally provided with the cavity of a lengthwise, and oil-extractor polish-rod runs through sealed letter body, is worn from lower main letter body
Go out；The internal cavity face at the sealed letter body both ends is provided with screw thread, and tapered sleeve pressure cap is threadedly coupled with sealed letter body lower end, tapered sleeve pressure
Cap sleeve is on oil-extractor polish-rod；It is followed successively by preloading spring, pressure ring, lower subdivision ring, upper subdivision ring on the left of tapered sleeve pressure cap, and from right side
Rise and be sequentially sleeved on oil-extractor polish-rod, the spherical diameter of sealed letter body is 10- 300mm；The taper of tapered sleeve pressure cap be 10 °-
180°。
The upper main letter body is internally provided with the cavity of a lengthwise, and its Basolateral is provided with taper pipe thread, upper main letter body
Be sequentially installed with cavity asbestos seal pad, upper seal support, sealed letter body lower end spherical surface body, bottom sealing socket, the second preloading spring,
Lower main letter body, side is provided with taper pipe thread in lower main letter body, and is threadedly coupled with the Basolateral of upper main letter body.
It is the conical surface outside described upper subdivision ring, lower subdivision ring, its taper is 10-60 degree subdivision rings, subdivision bore
For 1-60mm, the diameter of two rings is 20-500mm, and the upper subdivision ring, lower subdivision ring are conical surface split ring, from centre
Axis subdivision, relative two-by-two to merge into a domain, each of which opening staggers 90 degree, and is enclosed on oil-extractor polish-rod.
The taper of the sealed letter intracoelomic cavity inner conical surface is consistent with the taper of upper subdivision ring, lower subdivision annular conical surface.
Be cased with sealed letter body lower end spherical surface body in the cavity of the upper main letter body, the upper and lower ends arc surface of its spherical surface body with
Upper seal support, the conical surface of bottom sealing socket do linear contact lay face, form gapless line contact sealing, are acted in the pressure of preloading spring
Under be compressed axially asbestos seal pad, and compress the conical surface of upper seal support, bottom sealing socket；Cause itself and sealed letter body lower end spherical surface body
Sphere plays close linear sealing effect, and upper seal support, the taper of bottom sealing socket are 10-180 °.
The asbestos seal pad suffers oppression with upper main letter body bottom contact surface can play the effect of plane static seal；The asbestos
Sealing gasket internal diameter retains certain interval with the external footpath of sealed letter；Remaining aperture surface not with the external sphere-contact of sealed letter, so close
Packing body has 360 ° of universal swing amounts, there is packing among the sealed letter body and oil-extractor polish-rod, the upper end of packing have on lead
There is lower guide ring Xiang Huan, the lower end of packing；When oil-extractor polish-rod moves reciprocatingly and swung, sealed letter body can follow oil pumper
Polished rod does while swung.
The well head Taper Pipe jointing is enclosed on the outside of oil-extractor polish-rod, one end of well head Taper Pipe jointing and lower master
Letter body is connected, and vent valve interface is provided with well head Taper Pipe jointing；Sealed letter body pressure cap is enclosed on the outside of oil-extractor polish-rod,
Sealed letter body pressure cap one end is located in sealed letter body.
Application process of the present utility model：In use, by sealed letter body, upper seal support, bottom sealing socket, upper subdivision ring,
Lower subdivision ring, pressure ring, the universal self-tightening sealing component of the first preloading spring composition, in upper main letter body, and are enclosed on oil pumping
On machine polished rod, when reciprocating part moves reciprocatingly, upper subdivision ring, the internal diameter of lower subdivision ring and male cone (strobilus masculinus) are in the first pretension bullet
Spring and in the presence of above taking out fluid pressure, is attached at the inner conical surface of oil-extractor polish-rod surface and sealed letter body, makes oil-extractor polish-rod
Surface and upper subdivision ring, the internal diameter of lower subdivision ring and sealed letter body composition blind-mate, have blocked minitype particle to enter sealing
Material surface；When oil-extractor polish-rod moves reciprocatingly and swung, sealed letter body can follow oil-extractor polish-rod to do while swing.
Meaning of the present utility model：First, simple in construction, service life length；Second, prevent Christmas tree wellhead and oil pumper
The misaligning property of polished rod, and oscillatory of the polished rod when pumping, prevented original oil-extractor polish-rod rub partially it is close
The phenomenon of closure material；The phenomenon of above-mentioned caused destruction and crude oil seepage is prevented；Three be to ensure that to it is high under motion state,
The reliability of low pressure seal, pollution of the crude oil leakage to ground environment is prevented；Four are reduction of frequency of maintenance, alleviate operation
The labor intensity of personnel.
Brief description of the drawings
Fig. 1 is the installation diagram of oil pumper Universal sealed component, 1, oil-extractor polish-rod 2, lower main letter body 3, upper main letter in figure
Body 4, sealed letter body 5, upper seal support 6, bottom sealing socket 7, sealed letter body pressure cap 8, upper guide ring 9, lower guide ring 10,
Packing 11, asbestos seal pad 12, upper subdivision ring 13, lower subdivision ring 14, pressure ring 15, the first preloading spring 16, vent valve
Interface 17, tapered sleeve pressure cap 18, the second preloading spring 19, well head Taper Pipe jointing.
Fig. 2 is sealed letter body schematic diagram.
Fig. 3 is upper seal support schematic diagram.
Fig. 4 is bottom sealing socket schematic diagram.
Fig. 5 is upper subdivision ring schematic diagram.
Fig. 6 is lower subdivision ring schematic diagram.
Fig. 7 is sealed letter body pressure cap schematic diagram.
Fig. 8 is upper main letter body schematic diagram.
Fig. 9 is lower main letter body schematic diagram.
Figure 10 is taper pressure cap schematic diagram.
Embodiment
Embodiment 1, the utility model include lower main letter body 2, upper main letter body 3, sealed letter body 4, upper seal support 5, lower sealing
Seat 6, sealed letter body pressure cap 7, upper guide ring 8, lower guide ring 9, packing 10, asbestos seal pad 11, upper subdivision ring 12, lower subdivision ring
13rd, pressure ring 14, the first preloading spring 15, tapered sleeve pressure cap 17, the second preloading spring 18, well head Taper Pipe jointing 19, it is described close
Packing body 4 is internally provided with the cavity of a lengthwise, and oil-extractor polish-rod 1 runs through sealed letter body 4, is passed from lower main letter body 2；It is described
The internal cavity face at the both ends of sealed letter body 4 is provided with screw thread, and tapered sleeve pressure cap 17 is threadedly coupled with the lower end of sealed letter body 4, tapered sleeve pressure cap
17 are enclosed on oil-extractor polish-rod 1；The left side of tapered sleeve pressure cap 17 be followed successively by the first preloading spring 15, pressure ring 14, lower subdivision ring 13, on cut open
Divide ring 12, and be sequentially sleeved in from right side on oil-extractor polish-rod 1.The spherical diameter of sealed letter body 4 is 10- 300mm, tapered sleeve pressure
The taper of cap 17 is 10 ° -180 °.
Embodiment 2, the upper main letter body 3 are internally provided with the cavity of a lengthwise, and its Basolateral is provided with taper pipe thread,
Asbestos seal pad 11, upper seal support 5, the lower end spherical surface body of sealed letter body 4, bottom sealing socket are sequentially installed with the upper main cavity of letter body 3
6th, the second preloading spring 18, lower main letter body 2, the lower inner side of main letter body 2 are provided with taper pipe thread, and with the Basolateral of upper main letter body 3
Threaded connection.
Embodiment 3, described upper subdivision ring 12, the outside of lower subdivision ring 13 are the conical surface, and its taper is 10-60 degree subdivisions
Ring, subdivision bore are 1-60mm, and the diameter of two rings is 20-500mm, and the upper subdivision ring 12, lower subdivision ring 13 are cone
Face split ring, from medial axis subdivision, relative two-by-two to merge into a domain, each of which opening staggers 90 degree, and is enclosed on and takes out
On oil machine polished rod 1.
Taper and upper subdivision ring 12, the cone of the lower conical surface of subdivision ring 13 of embodiment 4, the inner chamber inner conical surface of the sealed letter body 4
Degree is consistent.
Embodiment 5, the upper main letter body 3 cavity in be cased with the lower end spherical surface body of sealed letter body 4, up and down the two of its spherical surface body
End arc surface does linear contact lay face with upper seal support 5, the conical surface of bottom sealing socket 6, forms gapless line contact sealing, pre- second
Asbestos seal pad 11 is compressed axially under the pressure effect of tight spring 18, and compresses upper seal support 5, the conical surface of bottom sealing socket 6, causes it
Close linear sealing effect is played with the sphere of the lower end spherical surface body of sealed letter body 4；Upper seal support 5, the taper of bottom sealing socket 6 are
10°-180°。
Embodiment 6, the asbestos seal pad 11 suffer oppression with the upper main bottom contact surface of letter body 3 can play plane static seal work
With；The asbestos seal pads 11 internal diameters and retains certain interval with the external diameter of sealed letter body 4；Remaining aperture surface not with outside sealed letter body 4
Sphere-contact, so sealed letter body 4 has 360 ° of universal swing amounts.
With having packing 10 among oil-extractor polish-rod 1, there is upper guide ring the upper end of packing 10 for embodiment 7, the sealed letter body 4
8, there is lower guide ring 9 lower end of packing 10；When moving reciprocatingly and swinging in oil-extractor polish-rod 1, sealed letter body 4 can follow oil pumping
Machine polished rod 1 does while swung.
Embodiment 8, the well head Taper Pipe jointing 19 are enclosed on the outside of oil-extractor polish-rod 1, well head Taper Pipe jointing
19 one end is connected with lower main letter body 2, and vent valve interface 16 is provided with well head Taper Pipe jointing 19；Sealed letter body pressure cap 7
The outside of oil-extractor polish-rod 1 is enclosed on, the one end of sealed letter body pressure cap 7 is located in sealed letter body 4.
Although above with general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of utility model, it can be modified or improved, this will be apparent to those skilled in the art.Cause
This, the these modifications or improvements on the basis of without departing from the utility model spirit, belongs to the scopes of application claims.
Claims (8)
1. oil pumper Universal sealed component, it includes lower main letter body（2）, upper main letter body (3), sealed letter body (4), upper seal support
(5), bottom sealing socket (6), sealed letter body pressure cap (7), upper guide ring (8), lower guide ring (9), packing (10), asbestos seal pad
(11), upper subdivision ring (12), lower subdivision ring (13), pressure ring（14）, it is the first preloading spring (15), tapered sleeve pressure cap (17), second pre-
Tight spring (18), well head Taper Pipe jointing (19), it is characterized in that：The sealed letter body (4) is internally provided with lengthwise
Cavity, oil-extractor polish-rod (1) run through sealed letter body (4), are passed from lower main letter body (2)；The interior sky at sealed letter body (4) both ends
Cavity surface is provided with screw thread, and tapered sleeve pressure cap (17) is threadedly coupled with sealed letter body (4) lower end, and tapered sleeve pressure cap (17) is enclosed on oil pumper light
Bar（1）On；The left side of tapered sleeve pressure cap 17 is followed successively by the first preloading spring (15), pressure ring (14), lower subdivision ring (13), upper subdivision ring
(12), and from right side it is sequentially sleeved on oil-extractor polish-rod (1);The spherical diameter of sealed letter body (4) is 10- 300mm;Tapered sleeve
The taper of pressure cap (17) is 10 ° -180 °.
2. oil pumper Universal sealed component according to claim 1, it is characterized in that：Set inside the upper main letter body (3)
There is the cavity of a lengthwise, its Basolateral is provided with taper pipe thread, and asbestos seal pad is sequentially installed with upper main letter body (3) cavity
(11), upper seal support (5), sealed letter body (4) lower end spherical surface body, bottom sealing socket (6), the second preloading spring (18), lower main letter body
(2) taper pipe thread, is provided with the inside of lower main letter body (2), and is threadedly coupled with the Basolateral of upper main letter body (3).
3. oil pumper Universal sealed component according to claim 1, it is characterized in that：Described upper subdivision ring (12), under cut open
It is the conical surface to divide outside ring (13), and its taper is 10-60 degree subdivision rings, and subdivision bore is 1-60mm, and the diameter of two rings is equal
For 20-500mm, the upper subdivision ring (12), lower subdivision ring (13) are conical surface split ring, from medial axis subdivision, two two-phases
Pair a domain can be merged into, each of which opening staggers 90 degree, and is enclosed on oil-extractor polish-rod (1).
4. oil pumper Universal sealed component according to claim 1, it is characterized in that：Sealed letter body (4) inner chamber inner cone
The taper in face is consistent with the taper of upper subdivision ring (12), lower subdivision ring (13) conical surface.
5. oil pumper Universal sealed component according to claim 1, it is characterized in that：In the cavity of the upper main letter body (3)
It is cased with sealed letter body (4) lower end spherical surface body, the upper and lower ends arc surface of its spherical surface body and upper seal support (5), bottom sealing socket (6)
The conical surface does linear contact lay face, forms gapless line contact sealing, is compressed axially under the pressure effect of the second preloading spring (18)
Asbestos seal pad (11), and upper seal support (5), the conical surface of bottom sealing socket (6) are compressed, cause itself and sealed letter body (4) lower end sphere
The sphere of body plays close linear sealing effect;Upper seal support (5), bottom sealing socket（6）Taper be 10 ° -180 °.
6. oil pumper Universal sealed component according to claim 1, it is characterized in that：The asbestos seal pad (11) and upper master
Letter body (3) bottom contact surface, which suffers oppression, can play the effect of plane static seal；Asbestos seal pad (11) internal diameter and sealed letter body
(4) external diameter retains certain interval；Remaining aperture surface does not contact with sealed letter body (4) spherical outside surface, and sealed letter body (4) has 360 ° ten thousand
To oscillating quantity.
7. oil pumper Universal sealed component according to claim 1, it is characterized in that：The sealed letter body (4) and oil pumper
There is packing (10) among polished rod (1), there is upper guide ring (8) upper end of packing (10), and there is lower guide ring the lower end of packing (10)
(9)；When moving reciprocatingly and swinging in oil-extractor polish-rod (1), sealed letter body (4) can follow oil-extractor polish-rod（1）Do while put
It is dynamic.
8. oil pumper Universal sealed component according to claim 1, it is characterized in that：The well head Taper Pipe jointing (19)
The outside of oil-extractor polish-rod (1) is enclosed on, one end of well head Taper Pipe jointing (19) is connected with lower main letter body (2), well head Taper Pipe
Vent valve interface (16) is provided with jointing (19)；Sealed letter body pressure cap (7) is enclosed on the outside of oil-extractor polish-rod (1), close
Packing body pressure cap (7) one end is located in sealed letter body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721175050.9U CN207177799U (en) | 2017-09-14 | 2017-09-14 | Oil pumper Universal sealed component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721175050.9U CN207177799U (en) | 2017-09-14 | 2017-09-14 | Oil pumper Universal sealed component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207177799U true CN207177799U (en) | 2018-04-03 |
Family
ID=61746322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721175050.9U Active CN207177799U (en) | 2017-09-14 | 2017-09-14 | Oil pumper Universal sealed component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207177799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387014A (en) * | 2017-09-14 | 2017-11-24 | 位兆元 | Oil pumper Universal sealed component and application process |
-
2017
- 2017-09-14 CN CN201721175050.9U patent/CN207177799U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387014A (en) * | 2017-09-14 | 2017-11-24 | 位兆元 | Oil pumper Universal sealed component and application process |
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