CN2789403Y - Pumping well head multifunction safety sealing box and special tool thereof - Google Patents
Pumping well head multifunction safety sealing box and special tool thereof Download PDFInfo
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- CN2789403Y CN2789403Y CN 200420004144 CN200420004144U CN2789403Y CN 2789403 Y CN2789403 Y CN 2789403Y CN 200420004144 CN200420004144 CN 200420004144 CN 200420004144 U CN200420004144 U CN 200420004144U CN 2789403 Y CN2789403 Y CN 2789403Y
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- pressing cap
- upper pressing
- sealing box
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Abstract
The utility model discloses a multifunctional safety sealing box for an oil pumping well head and a special tool of the sealing box. The utility model is a multifunctional device arranged on the utmost upper part of a christmas tree, and the utility model can prevent crude oil from leaking, can prevent oil from spouting after the pumping rod is broken, can align the pumping rod after the pumping rod is abraded, can prevent oil from being stolen, etc. The utility model is designed with an upper and a lower pressing sleeves which are respectively provided with a shearing surface so as to enable sealing rubber to expand and shrink in radial direction and perform oil sealing function, and thus, the utility model can prevent the crude oil from being leaked. The middle part of the utility model is designed with an oil sealing block, when the pumping rod is snapped, a central cavity of the sealing box automatically blocks so as to prevent the oil from spounting. Because an aligning device is designed in the sealing box, the center can be momentarily adjusted when the pumping rod is abraded. Through the middle sliding sleeve, an upper pressing cap is locked on a sealing box body by a plurality of locking spring pins, the utility model is locked and unlocked by the special tool so as to achieve the purpose of safety and insurance, and the utility model can prevent robbers from thieving the oil.
Description
Affiliated technical field
The utility model relates to a kind of pumpingh well well head multifunctional safe seal box and special tool thereof, specifically be mounted in the production tree topmost a kind of prevent to seal crude oil reveal, prevent the sucker rod rubbish have no progeny oil spout, adjust the sucker rod mill device of aligning, the multiple function of thief-proof wet goods partially afterwards.Belong to the sealing of pumpingh well well head
Technical field.
Background technology
At present, public pumpingh well well head seal box, in author's long practice, find to have following defective and deficiency: 1, the caulking gum of filling in the seal box, lean on gland end face crush seal rubber up and down, when producing expanded radially, plays caulking gum the oil sealing effect, but because of sucker rod frequently pumps for a long time, the caulking gum wearing and tearing are very fast, though adjusting upper pressing cap can regulate, but regulated quantity is very little, reveal so often produce crude oil, change caulking gum and cause material and manpower waste.2, type frequently reciprocating about the long-time on-load of sucker rod is inclined to one side and tired because of grinding, and is broken often.Sucker rod after breaking on it joint be pulled to outside, seal box upper end, the sucker rod of bottom is fallen the sealed oil-well pump bottom, crude oil just vomits from the seal box center cavity, causes very big economic loss and environment pollution; 3, use because of the pumpingh well wellhead assembly is long-time and repeatedly maintenance, homework precision is wandered away, and produces sucker rod and seal box decentraction, and it is serious to grind inclined to one side phenomenon, and former seal box does not have the aligning structure again, can't solve the decentraction problem; 4, thief-proof functional oil is poor, and thief arbitrarily unclamps upper pressing cap, and crude oil just can be from the ejection of seal box upper port, and not only crude oil is stolen, and causes pumping unit to damage and environment pollution.Defective in sum and the not enough oil recovery cause of giving cause great loss, and be very unsatisfactory.
Summary of the invention
In order to overcome above-mentioned defective and deficiency, the utility model provides a kind of pumpingh well well head multifunctional safe seal box and special tool thereof, caulking gum in the seal box the inside, adopt in the hole with the gland up and down of face slightly, make the caulking gum can not only expanded radially, and can also radial contraction, make caulking gum more effectively bring into play the oil sealing effect and prevent that crude oil from revealing; When sucker rod was broken, sealing box body center cavity blocked automatically, prevents oil spout; Be provided with aligning device in the seal box bottom, the sucker rod mill occur partially, adjust the center at any time; Lock spring catch by middle sliding sleeve with several at upper pressing cap, be locked on the sealing box body, carry out safety locking, lock, open, reached security insurance, prevent robber's stolen with special tool.
The technical scheme that its technical problem that solves the utility model adopts is: pumpingh well well head multifunctional safe seal box: by upper jacket, upper pressing cap, sliding pin, stop pin, the upper pressing cap pivoted housing, the stop pin spring, caulking gum, the sealing box body, sliding sleeve, following gland, the plain cushion screw, the lower jacket circlip, plain cushion, clamping nut, connect pipe collar, lower jacket, oil pipe, sucker rod, plunger spring, the plunger circlip, plug, the plug screw, stifled body, plunger, the O RunddichtringO, steel ball, flat key, steady pin, last gland constitutes.The likeness in form cylinder is encircled around sucker rod.There is external screw thread at sealing box body middle part, with the installation that matches of upper pressing cap pivoted housing lower internal thread, pack into upper pressing cap pivoted housing endoporus and being sitting in above the endoporus boss face of sliding sleeve, the sliding sleeve endoporus matches with sealing box body top small cylinder cylindrical, and connects installation with 2 axis of symmetry to flat key; Upper pressing cap lower annular cylinder is packed into from upper pressing cap pivoted housing endoporus and sealing box body top small column cylindrical toroidal cavity, and the lower surface contacts with the sliding sleeve upper surface, and the upper pressing cap pivoted housing is fixed as one with steady pin and upper pressing cap.There are 10 uniform 36 ° of angle axial holes the sliding sleeve upper surface, be equipped with isometric stop pin in footpath and stop pin spring in every hole, 8 step axial holes with 36 ° of the concentric minute of angle of sliding sleeving hole are arranged on the upper pressing cap, lower end macropore and sliding sleeving hole are with the footpath, the upper end is an aperture, and sliding pin is housed in the macropore, and stop pin inserts in the macropore of upper pressing cap lower end under the effect of stop pin spring, because sliding pin sample different in size, the stop pin insertion depth is also different.In the macropore of sealing box body top gland and following gland are housed, last gland and following gland slightly in the hole middle cavity caulking gum is housed, upper pressing cap endoporus step plane is pressed on the gland cylindrical step on the plane, following gland lower surface is sitting in plane on the sealing box body macropore base frame rank, the sucker rod centre in the seal box body opening of packing into keeps with one heart.Sealing box body middle and lower part is provided with a radially stepped hole, and stifled body is housed in the macropore, is welded as a whole with the sealing box body, and stifled body endoporus is equipped with steel ball, plunger, O RunddichtringO, plunger spring, plunger circlip, plug, plug screw.Plunger is under the plunger spring effect, steel ball is pressed on the sucker rod external cylindrical surface, the pressure size is regulated by plug, plug is blocking up on the body with the plug screw, plunger is moved to the left distance in stifled body opening spacing by the plunger circlip, and O RunddichtringO Seal Oil is arranged, make crude oil can not enter chamber, a plunger left side.Sealing box body lower end small cylinder, cylindrical has screw thread, with the installation that matches of plain cushion inner hole thread, is one with the plain cushion screw.The clamping nut internal thread with connect the installation that matches of pipe collar external screw thread, plain cushion is crushed on below the clamping nut endoporus step plane and connects in the cavity of plane, pipe collar upper end, plain cushion can move radially aligning on plane, connection pipe collar upper end, behind the aligning clamping nut tightened and kill, connecting match installation and production tree top of pipe collar internal thread and oil tube external thread is coupled as one.Upper jacket is arranged on the upper pressing cap step plane, seal box upper end, can move up, and lower jacket is arranged on the seal box bottom, and the lower jacket circlip is housed in the endoporus upper end slot, blocks the location by transverse plane on the clamping nut, restriction lower jacket axial motion.
Special tool: by handle, handle body, latch, locking pin, guide, axle help pull a cart, nut, pull bar, stop collar, locking pin spring constitute.Have on the handle body 8 with 8 apertures of seal box upper pressing cap concentric with the footpath axial hole, 8 latches that are uneven in length are housed in the hole, and be welded as a whole on last plane and handle body, guide and handle are welded as a whole, be equipped with in the guide hole and be with 3 step locking pins, the locking pin spring, stop collar, axle is helped pull a cart and is contained on the locking pin left end small cylinder cylindrical step axle, be fixed on the axle by 2 nuts, the locking pin spring is contained on the locking pin mediate cylindrical cylindrical step axle, spacing by stop collar in the guide hole, effect at the locking pin spring, locking pin axially spurs axle to the right and helps pull a cart, make the axle its right end face of helping pull a cart contact also spacing with the guide left end face, locking pin right-hand member large cylinder head has the flat direction in 60 ° of angles identical with the big cylindrical triangle of seal box upper pressing cap cannelure, put in radially 2 distances that symmetrical holes is certain of handle body lower end thin cylinder, 2 handles are symmetrically welded on the handle body, radially 2 symmetrical holes center lines are consistent with handle body lower end thin cylinder in the center line maintenance, vertical 90 ° of directions with center line, in the handle body aperture, open an elongated slot, groove width equals the minimum outside diameter in seal box upper pressing cap upper end, on 2 handle center's lines elongated slot is arranged, the pull bar upper cylinder can move radially in elongated slot, and expose plane certain-length on the handle, lower end small cylinder external screw thread is helped pull a cart outer circle diameter to the internal thread installation that matches with axle, pull bar lower end small cone body nest advances with axle to help pull a cart in the axis hole that matches, restriction locking pin circumference rotates, radially outward spur pull bar, locking pin also moves radially thereupon, locking lock right-hand member large cylinder head flat can be stretched out in thin cylinder hole, handle body lower end or distance that indentation is certain.
The utility model beneficial effect is: pumpingh well well head multifunctional safe seal box and special tool thereof; owing to adopt special tool operation and reasonably scientific structure design; anti-theft feature is good; Seal Oil effective; it is highly sensitive that sucker rod is broken the stifled automatically oil in back; the back aligning is simple in structure, easy to operate, safe and reliable partially for the sucker rod mill, and protection pumpingh well surrounding environment is not polluted.According to customer requirements, the manufacturing of multifunctional safe seal box and special tool thereof can be general, also can be special-purpose, and the huge market demand, good economical benefit is enterprise and the more wealth of society's creation.
Below in conjunction with drawings and Examples the utility model is further specified.
Description of drawings
Fig. 1 is the utility model pumpingh well well head multifunctional safe structure of seal box schematic diagram.
Fig. 2 is Figure 1A-A upper surface vertical view.
Fig. 3 is Figure 1B-B sectional view.
Fig. 4 is Fig. 1 C-C sectional view.
Fig. 5 is Fig. 1 D-D sectional view.
Fig. 6 is a upper pressing cap lock-out state schematic diagram.
Fig. 7 is a upper pressing cap opening schematic diagram.
Fig. 8 is a pumpingh well well head multifunctional safe seal box special tool structural representation.
Fig. 9 is Fig. 8 E-E sectional view.
Number in the figure:
1, upper jacket 2, upper pressing cap 3, sliding pin
4, stop pin 5, upper pressing cap pivoted housing 6, stop pin spring
7, caulking gum 8, sealing box body 9, sliding sleeve
10, following gland 11, plain cushion screw 12, lower jacket circlip
13, plain cushion 14, clamping nut 15, connection pipe collar
16, lower jacket 17, oil pipe 18, sucker rod
19, plunger spring 20, plunger circlip 21, plug
22, plug screw 23, stifled body 24, plunger
25, O RunddichtringO 26, steel ball 27, flat key
28, steady pin 29, last gland 30, handle
31, handle body 32, latch 33, locking pin
34, guide 35, axle help pull a cart 36, nut
37, pull bar 38, stop collar 39, locking pin spring
The specific embodiment
See also Fig. 1 to Fig. 7, pumpingh well well head multifunctional safe seal box is by upper jacket (1), upper pressing cap (2), sliding pin (3), stop pin (4), upper pressing cap pivoted housing (5), stop pin spring (6), caulking gum (7), sealing box body (8), sliding sleeve (9), following gland (10), plain cushion screw (11), lower jacket circlip (12), plain cushion (13), clamping nut (14), connect pipe collar (15), lower jacket (16), oil pipe (17), sucker rod (18), plunger spring (19), plunger circlip (20), plug (21), plug screw (22), stifled body (23), plunger (24), O RunddichtringO (25), steel ball (26), flat key (27), steady pin (28), last gland (29) constitutes; There is external screw thread at sealing box body (8) middle part, with the installation that matches of upper pressing cap pivoted housing (5) lower internal thread, pack into upper pressing cap pivoted housing (5) endoporus and being sitting in above the endoporus boss face of sliding sleeve (9), sliding sleeve (9) endoporus matches with sealing box body (8) top small cylinder cylindrical, and connect to install to flat key (27) with 2 axis of symmetry, sliding sleeve (9) can only axially move up and down along sealing box body (8) top small cylinder cylindrical, and can not rotate by circumference.Upper pressing cap (2) lower annular cylinder, pack into from upper pressing cap pivoted housing (5) endoporus and sealing box body (8) top small cylinder cylindrical toroidal cavity, the lower surface contacts with sliding sleeve (9) upper surface, upper pressing cap pivoted housing (5) is fixed as one with steady pin (28) and upper pressing cap (2), when upper pressing cap (2) circumference rotates, upper pressing cap pivoted housing (5) is also along with circumference rotates, the circumference of upper pressing cap pivoted housing (5) rotates, axially move up and down along sealing box body (8) external screw thread, drive sliding sleeve (9) and axially move up and down along flat key at sealing box body (8) top small cylinder cylindrical.10 uniform 36 ° of angle axial holes are arranged at sliding sleeve (9) top, be equipped with footpath isometric stop pin (4) and stop pin spring (6) each the inside, hole, have on the upper pressing cap (2) 8 with sliding sleeve (9) on the step axial hole of 36 ° of concentric minute of angle in hole, hole on lower end macropore and the sliding sleeve (9) is with the footpath, the upper end is an aperture, and sliding pin (3) is housed in the macropore.When lock-out state, stop pin (4) is under the effect of stop pin spring (6) in sliding sleeve (9) hole, insert in upper pressing cap (2) macropore, the sliding pin (3) of upper pressing cap (2) macropore the inside is withstood on the macropore step surface, because sliding pin (3) sample different in size, stop pin (4) insertion depth is also different.36 ° of 10 axial hole minute of angle on the sliding sleeve (9), have on the upper pressing cap (2) 8 with sliding sleeve (9) on 36 ° of axial holes of the concentric minute of angle of axial hole, position, any 36 ° of angles on sliding sleeve (9) upper surface, upper pressing cap (2) lower surface can be in lock-out state.In the macropore of sealing box body (8) top gland (29) and following gland (10) are housed, last gland (29) and following gland (10) slightly in the hole middle cavity caulking gum (7) is housed, upper pressing cap (2) endoporus step lower plane is pressed on gland (29) the cylindrical step on the plane, following gland (10) lower surface is sitting in plane on sealing box body (8) the macropore step, sucker rod (18) is packed into and is sealed centre in box body (8) hole, keeps with one heart.With special tool upper pressing cap (2) circumference is rotated, move up and down along sealing box body (8) external screw thread by upper pressing cap pivoted housing (5), gland in the adjusting (29) and following gland (10) be middle cavity caulking gum (7) tightness in the hole slightly, when solution sucker rod (18) frequently moved up and down in sealing box body (8) centre, Seal Oil was good and bad.Caulking gum (7) last gland (29) and following gland (10) slightly in the hole middle cavity be subjected in the axial compression process, the one, expanded radially, the 2nd, by the face effect is radially mobile to the center position contraction slightly, the Seal Oil effect is very good, high efficiency, economical with materials is easy to operate, and upper pressing cap (2) can lock at any 36 ° of angles, so safe and reliable.There is a radially stepped hole sealing box body (8) middle and lower part, stifled body (23) is housed in the macropore, be welded as a whole with sealing box body (8), stifled body (23) endoporus is equipped with steel ball (26), plunger (24), O RunddichtringO (25), plunger spring (19), plunger circlip (20), plug (21), plug screw (22).Plunger (24) is under plunger spring (19) effect, steel ball (26) is pressed on sucker rod (18) external cylindrical surface, the pressure size is by plug (21) threaded adjusting, plug (21) is fixed on the stifled body (23) with plug screw (22), plunger (24) is moved to the left distance in stifled body (23) hole spacing by plunger circlip (20), and have O RunddichtringO (25) Seal Oil can not enter the left chamber of plunger (24).For a certain reason, sucker rod (18) is broken, sucker rod (18) epimere, pulled out outside, sealing box body (8) upper end by oil pumper, hypomere sinks to breaking away from sealing box body (8) lower end, just in this moment, plunger (24) is very fast under plunger spring (19) effect to advance sealing box body (8) centre bore annular space to steel ball (26), because the pressure of oil pipe (17) oil, steel ball (26) is shifted onto the toroidal cavity upper end, block seal box spare (8) centre bore, the one, play the oil spout outward of prevention oil pipe (17), the 2nd, the foreign material that play the well head outside do not enter oil pipe (17) the inside, and this function has very big practical value.Sealing box body (8) lower end small cylinder cylindrical has screw thread, with the installation that matches of plain cushion (13) inner hole thread, be fixed as one with plain cushion screw (11), clamping nut (14) internal thread with connect the installation that matches of pipe collar (15) external screw thread, plain cushion (13) is crushed on below clamping nut (14) the endoporus step plane and connects pipe collar (15) and goes up in the transverse plane cavity, plain cushion (13) is gone up on the transverse plane at connection pipe collar (15), certain amount of moving radially is arranged, play and adjust sucker rod (18) and seal concentric the acting on of box body (8) centre bore, behind the aligning clamping nut (14) tightened to kill and get final product.Connecting match installation and well head production tree top of pipe collar (15) internal thread and oil pipe (17) external screw thread is coupled as one.Upper jacket (1) is arranged on upper pressing cap (2) the step plane, seal box upper end; can upwards move axially; main protection upper pressing cap (2) pin hole does not advance foreign material and big cylindrical triangle cannelure is not damaged; lower jacket (16) is arranged on the seal box bottom; lower jacket circlip (12) is housed in the endoporus upper end slot; go up transverse plane by clamping nut (14) and block the location; can not in axial direction move down; the stifled body (23) that moved up is spacing; the permission circumference rotates; protection clamping nut (14) and connection pipe collar (15) can not arbitrarily turn and unclamp, and prevent to steal oil and destruction.
See also Fig. 8, Fig. 9, special tool: it by handle (30), handle body (31), latch (32), locking pin (33), lock tube (34), axle help pull a cart (35), nut (36), pull bar (37), stop collar (38), locking pin spring (39) constitute.Have on the handle body (31) 8 with seal box upper pressing cap (2) aperture concentric with the footpath axial hole, 8 latches (32) that are uneven in length are housed in the hole, and be welded as a whole on last plane and handle body (31), guide (34) is welded as a whole with handle (30), be equipped with in guide (34) hole and be with 3 step locking pins (33), locking pin spring (39), stop collar (38), the axle help pull a cart (35) be contained on locking pin (33) the left end small cylinder cylindrical step axle, be fixed on the axle by 2 nuts (36), locking pin spring (39) is contained on locking pin (33) the mediate cylindrical cylindrical step axle, spacing by stop collar (38) in guide (34) hole, under the effect of locking pin spring (39), locking pin (33) is pulling axle help pull a cart (35) to the right axially, make axle (35) its right end face of helping pull a cart contact also spacing with guide (34) left end face, locking pin (33) right-hand member large cylinder head have 60 ° flat, flat direction is identical with the big cylindrical triangle cannelure of seal box upper pressing cap (2), put in radially 2 distances that symmetrical holes is certain of handle body (31) lower end thin cylinder, 2 handles (30) are symmetrically welded on the handle body (31), radially 2 symmetrical holes center lines are consistent with handle body (31) lower end thin cylinder in the center line maintenance, vertical 90 ° of directions with center line, in handle body (31) aperture, open a radially elongated slot, groove width equals the minimum outside diameter in seal box upper pressing cap (2) upper end, on 2 handles (30) center line elongated slot is arranged, pull bar (37) upper cylinder can move radially in elongated slot, and expose handle (30) and go up the plane certain-length, lower end small cylinder external screw thread is helped pull a cart (35) outer circle diameter to the internal thread installation that matches with axle, in the axis hole that pull bar (37) lower end small cone body nest advances and axle is helped pull a cart (35) matches, restriction locking pin (33) circumference rotates, radially outward spur pull bar (37), locking pin also radially outward moves thereupon, releasing lever (37) sets back, locking pin (33) right-hand member large cylinder head flat can be stretched out in thin cylinder hole, handle body (31) lower end or distance that indentation is certain.
See also Fig. 1, Fig. 3, Fig. 6,8 latches (32) on the special tool handle body (31) are not inserting before (2) 8 concentric apertures of seal box upper pressing cap, are seal box sliding sleeve (9) and upper pressing cap (2) lock-out state.Because sliding sleeve (9) can only axially move up and down at sealing box body (8) top small cylinder cylindrical along flat key (27), can not rotate by circumference, so upper pressing cap (2) is locked in acts on circumference on the sliding sleeve (9) and rotate, the upper pressing cap pivoted housing (5) that is fixed on one by steady pin (28) can not rotate by circumference, reach and to dismantle purpose, play the security insurance effect.
See also Fig. 1, Fig. 7, Fig. 8, Fig. 9, special tool operation: earlier upper jacket (1) certain distance that axially moves up, (31) 8 latches of handle body (32) are downward, elongated slot radially inserts from sucker rod (18), radially outward spur pull bar (37), locking pin (33) compression locking pin spring (39), in the thin cylinder radial hole of the flat indentation handle body of big column head (31) lower end, latch (32) is checked the number from 8 apertures in seal box upper pressing cap (2) upper end and is inserted also downwards with defeating, be pressed onto on handle body (31) thin cylinder endoporus step lower plane and seal box upper pressing cap (2) step after the plane contact, releasing lever (37), locking pin (33) in locking pin spring (39) effect down, the interior locking positioning of flat insertion seal box upper pressing cap (2) triangle cannelure.During structure design, 8 latches (32) of sitting in the right seat and 8 sliding pins (3), every pair of sum all equates in the hole, sliding pin (3) lower surface is all axially passed sliding sleeve (9) to stop pin (4) upper surface and is gone up transverse plane and bonding surface position, upper pressing cap (2) plane, lower end, upper pressing cap this moment (2) and sliding sleeve (9) state that goes out of lock, circumference rotates special tool handle (30), upper pressing cap (2) is circumference rotation thereupon also, be fixed on the also together circumference rotation of upper pressing cap pivoted housing (5) of one by steady pin (28), upper pressing cap pivoted housing (5) moves up and down along sealing box body (8) external screw thread, upper pressing cap (2) presses gland (29) and regulates caulking gum (7) tightness, and is good and bad with sucker rod (18) Seal Oil.After having operated, radially outward spur pull bar (37), locking pin (33) compression locking spring (39), flat upper pressing cap (2) the triangle cannelure that withdraws from of head, upwards lift handle (30), make the latch (32) on the handle body (31) extract upper pressing cap (2) upper end aperture, stop pin (4) is under stop pin spring (6) effect, automatically insert locking positioning in the macropore of upper pressing cap (2) lower end, make seal box sliding sleeve (9) and upper pressing cap (2) be in lock-out state, at last upper jacket (1) is set back, task is finished.
Claims (2)
1, a kind of pumpingh well well head multifunctional safe seal box, comprise upper jacket, upper pressing cap, stop pin, sliding pin, the upper pressing cap pivoted housing, the stop pin spring, caulking gum, the sealing box body, sliding sleeve, following gland, last gland, flat key, steady pin, steel ball, stifled body, plug, the plug screw, plunger, plunger spring, the O RunddichtringO, oil pipe, connect pipe collar, clamping nut, lower jacket, plain cushion, the lower jacket circlip, the plain cushion screw, sucker rod is formed, the likeness in form cylinder, encircle around sucker rod, it is characterized in that: the middle part external screw thread of sealing box body (8) and the installation that matches of upper pressing cap pivoted housing (5) lower internal thread, sliding sleeve (9) is packed in the upper pressing cap pivoted housing (5), be sitting on the endoporus boss face, sliding sleeve (9) endoporus matches with sealing box body (8) top small cylinder cylindrical, connects to flat key with 2 axis of symmetry and installs; Upper pressing cap (2) lower annular cylinder, pack into from upper pressing cap pivoted housing (5) endoporus and sealing box body (8) top small column cylindrical toroidal cavity, the lower surface contacts with sliding sleeve (9) upper surface, and upper pressing cap pivoted housing (5) is fixed as one with steady pin (28) and upper pressing cap (2); There are several uniform 36 ° of angle axial holes sliding sleeve (9) upper surface, is equipped with in each hole with footpath isometric stop pin (4) and pin rationed marketing spring (6), and the step axial hole of 36 ° of the concentric minute of angle of several and sliding sleeving hole is arranged on the upper pressing cap (2); In the macropore of sealing box body (8) top gland (29), following gland (10) are housed, caulking gum (7) upper pressing cap (2) endoporus step plane is housed in the cavity therebetween to be pressed on gland (29) the cylindrical step on the plane, following gland (10) lower surface is sitting in plane on sealing box body (8) the macropore base frame rank, and sucker rod (18) is packed into and sealed the centre of the caulking gum (7) in box body (8) hole; The radially stepped hole of sealing box body (8) middle and lower part is equipped with stifled body (23) and is welded as a whole with sealing box body (8), and stifled body (23) endoporus is equipped with steel ball (26), plunger (24), O RunddichtringO (25), plunger spring (19), plunger circlip (20), plug (21), plug screw (22); Sealing box body (8) lower end small cylinder cylindrical is provided with screw thread, with the installation that matches of plain cushion (13) internal thread, be fixed as one with plain cushion screw (11), clamping nut (14) internal thread with connect the installation that matches of pipe collar (15) external screw thread, plain cushion (13) is pressed in below clamping nut (14) the endoporus step plane and connects pipe collar (15) and goes up in the transverse plane cavity.
2, a kind of special tool of pumpingh well well head multifunctional safe seal box, comprise handle, handle body, latch, locking pin, lock tube, axle is helped pull a cart, nut, pull bar, stop collar, the locking pin spring constitutes, it is characterized in that: handle body (31) is provided with several and seal box upper pressing cap (2) is welded as a whole with latch (32) directly and handle body (31), guide (34) is welded as a whole with handle (30), be equipped with in guide (34) hole and be with 3 step locking pins (33), locking pin spring (39), stop collar (38), the axle help pull a cart (35) be contained on locking pin (33) the left end small cylinder cylindrical step axle, be fixed on the axle by 2 nuts (36), locking lock spring (39) is contained on locking pin (33) the mediate cylindrical cylindrical step axle, spacing by stop collar (38) in guide (34) hole, on the center line of handle (30), elongated slot is arranged, pull bar (37) is packed in it, expose handle (30) and go up the plane, the combination that matches of external screw thread on the small cone body of lower end, the internal thread on help pull a cart with axle (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420004144 CN2789403Y (en) | 2004-02-14 | 2004-02-14 | Pumping well head multifunction safety sealing box and special tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420004144 CN2789403Y (en) | 2004-02-14 | 2004-02-14 | Pumping well head multifunction safety sealing box and special tool thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2789403Y true CN2789403Y (en) | 2006-06-21 |
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ID=36789734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420004144 Expired - Fee Related CN2789403Y (en) | 2004-02-14 | 2004-02-14 | Pumping well head multifunction safety sealing box and special tool thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2789403Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061703A (en) * | 2013-01-28 | 2013-04-24 | 盐城市琪航石油机械有限公司 | Efficient energy-saving environment-friendly mechanical sealing device |
| CN106432835A (en) * | 2016-09-20 | 2017-02-22 | 东营咸亨工贸有限公司 | Sealing material and full-functional shaft mouth sealing box containing sealing material |
-
2004
- 2004-02-14 CN CN 200420004144 patent/CN2789403Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061703A (en) * | 2013-01-28 | 2013-04-24 | 盐城市琪航石油机械有限公司 | Efficient energy-saving environment-friendly mechanical sealing device |
| CN103061703B (en) * | 2013-01-28 | 2016-02-24 | 刘音海 | High-efficient energy-saving environment friendly mechanically-sealing apparatus |
| CN106432835A (en) * | 2016-09-20 | 2017-02-22 | 东营咸亨工贸有限公司 | Sealing material and full-functional shaft mouth sealing box containing sealing material |
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