CN201351474Y - Composite multifunctional stuffing box - Google Patents
Composite multifunctional stuffing box Download PDFInfo
- Publication number
- CN201351474Y CN201351474Y CNU2009200096102U CN200920009610U CN201351474Y CN 201351474 Y CN201351474 Y CN 201351474Y CN U2009200096102 U CNU2009200096102 U CN U2009200096102U CN 200920009610 U CN200920009610 U CN 200920009610U CN 201351474 Y CN201351474 Y CN 201351474Y
- Authority
- CN
- China
- Prior art keywords
- packing
- packing box
- pressure cap
- stuffing box
- cavity
- 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
Images
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model relates to a composite multifunctional stuffing box, which mainly solves the problems that a wellhead polish rod is partially abraded caused by deflected wellheads and eccentric polish rods in an existing pumping unit in the oil-field oil production field. The composite multifunctional stuffing box is characterized in that a packing chamber (4) whose inner portion of the upper end is in a conical shape is provided with a conical inner pressure cap (2) and a Buchan from the top down in turn, an adjuster (5) whose chassis (11) is externally arranged and upper portion is provided with a lug boss (14) is connected with a groove (10), and a bowl-shaped bottom (15) of a stuffing box ball head (6) whose center is provided with a through hole is coincident and contacted with the bowl-shaped inner cavity on the upper end of a ball seat joint (8). The stuffing box is not easy to lead Buchan to abrade, has excellent seating effect, and has the characteristics that the well head is partially adjusted, and the polish rod is automatically centered.
Description
Technical field:
The utility model relates to the packing box that pumpingh well well head place is used in the oil recovery field, oil field, particularly a kind of compound multi-functional packing box.
Background technology:
In oil recovery field, oil field, in order to prevent that crude oil leakage is equipped with packing box at pumpingh well well head place, packing in the packing box seals when oil pumper is worked, the packing of existing packing box and inner chamber all is a cylinder, the extruding force of neither one ecto-entad, the sealing effectiveness of packing is bad, and packing is easy to wear, and packing filling sealing life cycle is short; Packing box relies on the bulb back seat gasket to set upright, and the packing box inner chamber is cylindrical, in the packing filled out can not carry out comprehensive adjustment to polished rod, influenced by the well head angle of inclination, can not make the polished rod tuningout, the packing ring antiwear property is relatively poor, bigger to the polished rod wearing and tearing, do not have centralizing function.Well head deflection and polished rod off-centre are same directions, rely on packing box self to adjust.
The utility model content:
The utility model is to overcome the problem of the existing oil pumper well head deflection that exists in the background technology, wellhead polish rod eccentric wear that polished rod off-centre causes, and provide a kind of compound multi-functional packing box, this packing box is difficult for making the packing wearing and tearing, good sealing effect has the characteristics of well head tuningout, polished rod automatic centering.
The invention for solving the technical problem can reach by following technical solution: this compound multi-functional packing box comprises that the bottom is the big pressure cap of packing box that there is through hole the cavity upper end, packing cavity, the packing box bulb, the ball seat pressure cap, ball joint, the big pressure cap bonding pad of packing box chamber, the base of packing cavity is seated in the groove at packing box bulb top, the external ball seat pressure cap in packing box bulb lower end connects the external surface of ball joint upper end bowl type inner chamber, inside, upper end is equipped with pressure cap and packing in the taper from top to bottom successively for the packing cavity of taper, the external top of the base of packing cavity has the adjuster of boss to connect the groove at packing box bulb top, and the center is the bowl type bottom and identical contact of ball joint upper end bowl type inner chamber of the packing box bulb of through hole.
The base lower surface in described packing filling chamber has sealing ring.
The bowl type lower surface of described packing box bulb has sealing ring.
The utility model is compared with the above-mentioned background technology can have following beneficial effect: this compound multi-functional packing box is owing to take such scheme, the packing cavity of interior tapered is equipped with pressure cap and packing in the taper from top to bottom successively, the taper packing produces a displacement from top to bottom in the packing filling chamber under the pressure effect of interior pressure cap, packing is owing to be subjected to the restriction of packing filling cavity space, produce the extruding force of an ecto-entad, can strengthen the sealing effectiveness of packing, improve the effective rate of utilization and the practicality of packing, the final packing life cycle that realizes maximizes, compare with traditional product, the packing of equal quality can prolong more than four times disposable service time, has reduced waste and old packing the like waste exhaust emission environment simultaneously; Deviation correcting device adopts sphere contact, adjuster to regulate and special taper packing cavity, taper packing, be convenient to adjust the level of adjuster, guarantee that adjuster is not influenced by or not the angle of inclination, all the time be in level, reach well head tuningout, polished rod automatic centering, effectively overcome the wellhead polish rod eccentric wear problem that well head eccentric wear, polished rod off-centre cause, reduced race, emit, phenomenon such as leakage takes place.This packing box has the multi-efficiency of setting upright, regulating and seal, and it is time saving and energy saving to operate, and saves material, safeguards simple and conveniently, has improved production efficiency in reduction labour intensity.
Description of drawings:
Accompanying drawing 1 is a section of structure of the present utility model.
Among the figure: pressure cap in the big pressure cap of 1-packing box, 2-, 3-packing, 4-packing cavity, 5-adjuster, 6-packing box bulb, 7-ball seat pressure cap, 8-ball joint, 9-sealing ring, 10-groove, 11-base, 12-bolt hole, 13-polished rod, 14-boss, 15-bowl type bottom.
The specific embodiment:
Below in conjunction with accompanying drawing will the utility model is described in further detail:
As shown in Figure 1, this compound multi-functional packing box comprises the big pressure cap 1 of packing box, there is through hole the big pressure cap of packing box 1 upper end, the bottom is tapped cavity, two bolts hole 12 are radially opened in the through hole, wear screw rod in the bolt hole 12 in order to rotation packing box big pressure cap 1, the big pressure cap 1 of the packing box following packing cavity 4 that is threaded; Packing cavity 4 upper ends are inner to be taper, be equipped with pressure cap 2 and taper packing 3 in the taper packing cavity from top to bottom successively, pressure cap 2 in the packing cavity, the shape of packing 3 and packing cavity 4 coincide, during the big gland 1 of rotation packing box, pressure cap 2 is to compress packing 3 in transferring the pressure to, packing 3 produces a displacement from top to bottom in packing filling chamber 4 under this pressure effect, in this process, packing 3 is owing to be subjected to the restriction of packing filling chamber 4 cone spaces, produce the extruding force of an ecto-entad, can strengthen the sealing effectiveness of packing, improve the effective rate of utilization and the practicality of packing.The base 11 of packing cavity 4 is cylindrical, is seated in the groove 10 at packing box bulb 6 tops, and base 11 soffits of packing cavity 4 have sealing ring 9, the sealing effectiveness of reinforcement filler chamber 4 and packing box bulb 6; The sidewall of packing box bulb 6 top groove 10 has external screw thread, the adjuster 5 of boss 14 is arranged at the top that base 11 outsides are equipped with, adjuster 5 internal threads connect the external screw thread of top groove 10 sidewalls of packing box bulb 6, adjuster 5 apertures are greater than packing cavity 4 apertures, be used for when polished rod 13 and well head decentraction, drive the packing filling chamber and regulate polished rod centering automatically under the effect of polished rod, effectively overcome packing eccentric wear, polished rod wear problem, the boss 14 on top is convenient to rotate with spanner.Packing box bulb 6 centers are through hole, the middle part is cylindrical, the bottom is the bowl type, ball joint 8 upper end inner chambers have the through hole that connects with bowl type inner chamber for bowl type lower end, the bowl type bottom 15 of packing box bulb 6 coincide with ball joint 8 upper end bowl type inner chambers and contacts, there is sealing ring 9 on 15 surfaces, bowl type bottom of packing box bulb 6, make sealing effectiveness better; The external ball seat pressure cap 7 in packing box bulb 6 bottoms, the internal thread of ball seat pressure cap 7 connects the bowl type part outer face of ball joint 8.By the deviation position of packing box bulb 6 centering well heads, because the aperture of the base 11 of packing cavity 4 is the same big with the endoporus of packing box bulb 6,11 pairs of polished rod 13 tuningouts of the base of packing cavity 4.After adjuster 5 unclamps, carry out comprehensive adjusting to reach polished rod tuningout centering, screw adjuster 5 afterwards by the base 11 of packing cavity 4, the 3 pairs of polished rods of packing 13 in the packing cavity 4.
During installation, ball joint 8 is contained in blowout preventer upper end interface, during use, opens blowout preventer, starts oil pumper and observes, and is not with oil (water) when the elasticity of the big pressure cap of packing box is moved with polished rod, not generating heat is as the criterion.
In sum, this compound multi-functional packing box is difficult for making the packing wearing and tearing, and good sealing effect is saved the packing consumption, and economical with materials reduces environment pollution, and has the effect of well head tuningout and polished rod centering simultaneously, is worth of widely use.
Claims (3)
1, a kind of compound multi-functional packing box, comprise that the bottom is the big pressure cap of packing box (1) that there is through hole the cavity upper end, packing cavity (4), packing box bulb (6), ball seat pressure cap (7), ball joint (8), the big pressure cap of packing box (1) bonding pad chamber (4), the base (11) of packing cavity (4) is seated in the groove (10) at packing box bulb (6) top, the external ball seat pressure cap (7) in packing box bulb (6) lower end connects the external surface of ball joint (8) upper end bowl type inner chamber, it is characterized in that: inside, upper end is equipped with pressure cap (2) and packing (3) in the taper from top to bottom successively for the packing cavity of taper (4), the external top of base (11) has the adjuster (5) of boss (14) to connect groove (10), and the center is the bowl type bottom (15) and identical contact of ball joint (8) upper end bowl type inner chamber of the packing box bulb (6) of through hole.
2, compound multi-functional packing box according to claim 1 is characterized in that: base (11) soffit in described packing filling chamber (4) has sealing ring (9).
3, compound multi-functional packing box according to claim 1 and 2 is characterized in that: there is sealing ring (9) on (15) surface, bowl type bottom of described packing box bulb (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2009200096102U CN201351474Y (en) | 2009-02-13 | 2009-02-13 | Composite multifunctional stuffing box |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2009200096102U CN201351474Y (en) | 2009-02-13 | 2009-02-13 | Composite multifunctional stuffing box |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201351474Y true CN201351474Y (en) | 2009-11-25 |
Family
ID=41374862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2009200096102U Expired - Fee Related CN201351474Y (en) | 2009-02-13 | 2009-02-13 | Composite multifunctional stuffing box |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201351474Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103982155A (en) * | 2014-05-23 | 2014-08-13 | 西南石油大学 | Inclinable experiment well-mouth sealing device |
WO2024086917A1 (en) * | 2022-10-25 | 2024-05-02 | Domino Machine Inc. | Self-aligning stuffing box |
-
2009
- 2009-02-13 CN CNU2009200096102U patent/CN201351474Y/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103982155A (en) * | 2014-05-23 | 2014-08-13 | 西南石油大学 | Inclinable experiment well-mouth sealing device |
CN103982155B (en) * | 2014-05-23 | 2016-02-10 | 西南石油大学 | A kind of tiltable experiment well mouth sealing device |
WO2024086917A1 (en) * | 2022-10-25 | 2024-05-02 | Domino Machine Inc. | Self-aligning stuffing box |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202706976U (en) | Self-regulation polish rod sealer | |
CN2937459Y (en) | Double-offset polish rod sealer for pumping well | |
CN202520276U (en) | Multifunctional blowout control box blowout preventer | |
CN201351474Y (en) | Composite multifunctional stuffing box | |
CN107165600B (en) | High-efficiency environment friendly well mouth of oil well sealing device | |
CN104251125A (en) | Universal follow-up bias adjusting polished rod sealing mechanism | |
CN207004467U (en) | A kind of new completion casing head | |
CN201881262U (en) | Honing cylinder for piston ring internally supported with elastic body | |
CN108843268A (en) | Replaceable polished rod packing kit for thermal recovery | |
CN208718604U (en) | Replaceable polished rod packing kit for thermal recovery | |
CN208764526U (en) | A kind of coal mine high pressure rotary sealing connector | |
CN200989177Y (en) | Polishing rod sealing device | |
CN2732987Y (en) | Wellhead sealer for pumping well | |
CN202673224U (en) | Self-uprighting wellhead sealing energy-saving adjustment device | |
CN215595533U (en) | Pumping unit well head antiseep sealing device | |
CN114856475A (en) | Automatic centering and deviation-adjusting sealing device for oil well mouth | |
CN201924862U (en) | Six-element sealing packing box | |
CN201173101Y (en) | Outer brake type transverse automatic compensation packing box | |
CN203685102U (en) | Fluid polished rod sealer | |
CN208010307U (en) | One kind filling in the energy-saving wellhead sealing device of formula | |
CN2906042Y (en) | Double-seal automatically-enclosed type blowout preventer | |
CN202926279U (en) | Energy-saving environmental-friendly packing box | |
CN2527789Y (en) | Automatic core adjusting continuous adding packing box | |
CN201083102Y (en) | Environment-friendly type multi-efficiency packing box | |
CN201771459U (en) | Novel wellhead sealer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091125 Termination date: 20110213 |