CN2667148Y - Adjustable multifunction well packing device - Google Patents
Adjustable multifunction well packing device Download PDFInfo
- Publication number
- CN2667148Y CN2667148Y CN 200420000992 CN200420000992U CN2667148Y CN 2667148 Y CN2667148 Y CN 2667148Y CN 200420000992 CN200420000992 CN 200420000992 CN 200420000992 U CN200420000992 U CN 200420000992U CN 2667148 Y CN2667148 Y CN 2667148Y
- Authority
- CN
- China
- Prior art keywords
- packing
- deviation
- well head
- packing box
- deviation adjusting
- 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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- Sealing Devices (AREA)
Abstract
The utility model provides an adjustable multifunction well packing device, which mainly solves the problems of limited deviation adjustment of a sealing device of the prior deviation adjusting polished rod and inconvenient replacement of a packing arranged inside a packing box, which is characterized in that a deviation adjusting block(4) matching and contacting with a deviation adjusting body(3) is arranged between a well head joint(1) and a pressure cap(5). The deviation adjusting block(4) is threaded connected with an upper cover(9) sleeved outside the deviation adjusting body(3). The packing box(2) is respectively threaded connected with a packing box cover(6) and the deviation adjusting body(3) in a manner of opposite to the screw direction. The device can adjust paralleled deviation between a sucker rod and an axis line of the well head, and has the characteristics of large volume of deviation adjustment, and easy and rapid replacement of the packing.
Description
Technical field:
The utility model relates to the sealing device that pumpingh well well head place is used in the oil recovery field, oil field, especially adjustable multifunctional blowout preventer.
Background technology:
In oil recovery field, oil field, in order to prevent that crude oil leakage is equipped with sealing device at pumpingh well well head place, commonly used at present is adjustable polarisation rod seal device, it only is applicable under the mutually crooked situation of the axial line of polished rod sealer and oil well carries out tuningout, its along offset in the circumferential 360 ° of scopes of polished rod be 2 ° 30 ', when the axis parallel when sucker rod is worked departs from the well head axial line, easily packing is produced eccentric wear after the adjustment and make its damage, influence sealing effectiveness; In addition, this polished rod sealer has adopted the Double layer packing sealing for preventing crude oil leakage, need the packing in the tuningout body is compressed during packing in changing packing box, since reasons in structure, workman's inconvenient operation.
The utility model content:
Restricted and change the deficiency of the packing inconvenience in the packing box for the tuningout that overcomes existing tuningout polished rod sealer, the utility model provides a kind of adjustable multifunctional blowout preventer, this adjustable multifunctional blowout preventer can adjust sucker rod and the well head axis parallel departs from, and has offset and reaches the packing characteristics easily and efficiently of changing greatly.
The technical scheme that the utility model adopted is: this adjustable multifunctional blowout preventer comprises well head joint, packing box, packing lid and spherical tuningout body, the well head joint screw thread connects pressure cap, be equipped with between well head joint and the pressure cap and deflection-regulating block that the tuningout body coincide and touches mutually, deflection-regulating block be enclosed within external the going up of tuningout and cover and be threaded; Packing box respectively with packing lid and tuningout body with opposite being threaded of rotation direction.
The limited cap that the sliding card of above-mentioned packing box outer wall links to each other with the tuningout body; The adjustment pad is arranged between deflection-regulating block and the pressure cap.
The beneficial effects of the utility model are: owing to take to be equipped with between well head joint and the pressure cap in the such scheme and deflection-regulating block that the tuningout body coincide and touches mutually, deflection-regulating block the go up cover external with being enclosed within tuningout is threaded, when the axis parallel when sucker rod is worked departs from the well head axial line, can adjust by tuningout body and deflection-regulating block, can not cause eccentric wear and damage packing, good sealing effect; Packing box respectively with packing lid and tuningout body with opposite being threaded of rotation direction, during packing in changing packing box, compress when unscrewing or screwing the packing lid or unclamped packing in the tuningout body, simplify the structure, operate also convenient, fast.
Description of drawings:
Accompanying drawing 1 is the utility model structure sectional view.
1-well head joint among the figure, the 2-packing box, 3-tuningout body, the 4-deflection-regulating block, the 5-pressure cap, 6-packing lid, the 7-limited cap, 8-adjusts pad, the last cover of 9-.
The specific embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, this adjustable multifunctional blowout preventer comprises well head joint 1, packing box 2, packing lid 6 and spherical tuningout body 3, well head joint 1 pressure cap 5 that is threaded, be equipped with between well head joint 1 and the pressure cap 5 and deflection-regulating blocks 4 that tuningout body 3 coincide and touches mutually, deflection-regulating block 4 is threaded with being enclosed within tuningout body 3 cover 9 of going up outward, when the axis parallel when sucker rod is worked departs from the well head axial line, can adjust by tuningout body 3 and deflection-regulating block 4, can not cause eccentric wear and damage packing, good sealing effect; Packing box 2 respectively with packing lid 6 and tuningout body 3 with opposite being threaded of rotation direction, during packing in changing packing box 2, compress when unscrewing or screwing packing lid 6 or unclamped the interior packing of tuningout body 3, simplify the structure, operate also convenient, fast; The limited cap 7 that the sliding card of packing box 2 outer walls links to each other with tuningout body 3,7 position-limiting actions of limited cap are for easy to adjust can adding between deflection-regulating block 4 and pressure cap 5, adjusted pad 8.
Claims (3)
1, a kind of adjustable multifunctional blowout preventer, comprise well head joint (1), packing box (2), packing lid (6) and spherical tuningout body (3), well head joint (1) pressure cap (5) that is threaded, it is characterized in that: be equipped with between well head joint (1) and the pressure cap (5) and deflection-regulating block (4) that tuningout body (3) coincide and touches mutually, deflection-regulating block (4) be enclosed within outer the going up of tuningout body (3) and cover (9) and be threaded; Packing box (2) respectively with packing lid (6) and tuningout body (3) with opposite being threaded of rotation direction.
2, adjustable multifunctional blowout preventer according to claim 1 is characterized in that: the limited cap (7) that the sliding card of packing box (2) outer wall links to each other with tuningout body (3).
3, adjustable multifunctional blowout preventer according to claim 1 is characterized in that: between deflection-regulating block (4) and the pressure cap (5) adjustment pad (8) is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420000992 CN2667148Y (en) | 2004-01-12 | 2004-01-12 | Adjustable multifunction well packing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420000992 CN2667148Y (en) | 2004-01-12 | 2004-01-12 | Adjustable multifunction well packing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2667148Y true CN2667148Y (en) | 2004-12-29 |
Family
ID=34352420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420000992 Expired - Fee Related CN2667148Y (en) | 2004-01-12 | 2004-01-12 | Adjustable multifunction well packing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2667148Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009039739A1 (en) * | 2007-09-27 | 2009-04-02 | Banglai Mao | Wellhead assembly |
| CN103459764A (en) * | 2011-03-23 | 2013-12-18 | 控制压力营运私人有限公司 | Blow out preventer |
-
2004
- 2004-01-12 CN CN 200420000992 patent/CN2667148Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009039739A1 (en) * | 2007-09-27 | 2009-04-02 | Banglai Mao | Wellhead assembly |
| CN103459764A (en) * | 2011-03-23 | 2013-12-18 | 控制压力营运私人有限公司 | Blow out preventer |
| CN103459764B (en) * | 2011-03-23 | 2016-11-23 | 控制压力营运私人有限公司 | Preventer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |