CN207161034U - Injecting seals tuningout assembly and injecting tuningout polish rod seal device - Google Patents
Injecting seals tuningout assembly and injecting tuningout polish rod seal device Download PDFInfo
- Publication number
- CN207161034U CN207161034U CN201721055068.5U CN201721055068U CN207161034U CN 207161034 U CN207161034 U CN 207161034U CN 201721055068 U CN201721055068 U CN 201721055068U CN 207161034 U CN207161034 U CN 207161034U
- Authority
- CN
- China
- Prior art keywords
- outside
- tuningout
- injecting
- seal
- packing
- 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
Abstract
It the utility model is related to sealing device technical field, it is a kind of injecting sealing tuningout assembly and injecting tuningout polish rod seal device, the former includes seal sleeve, upper tuningout seat and lower deflection adjustment seat, seal sleeve upper end is provided with the upper installation annular groove being sleeved on the outside of tuningout seat, seal sleeve lower end is provided with the lower installation annular groove being sleeved on the outside of lower deflection adjustment seat, lower deflection adjustment seat lower inside is provided with tuningout annular groove, and anti-leakage ring is set with tuningout annular groove；The latter includes polished rod, lower packing seal assembly, injecting sealing tuningout assembly and upper packing seal assembly.The utility model reasonable and compact in structure, easy to use, by upper tuningout seat and lower deflection adjustment seat, the utility model can coordinate following deflection-regulation with polished rod, can effectively solve the problem that the eccentric wear problem of polished rod；Prevent injecting from leaking simultaneously, reduce injecting loss, keep long-term seal；Anti-leakage ring can move radially with polished rod, can prevent injecting from revealing while improving tuningout effect, keep sealing effectiveness；With it is laborsaving, easy, efficient the characteristics of.
Description
Technical field
Sealing device technical field is the utility model is related to, is that a kind of injecting sealing tuningout assembly and injecting tuningout polished rod are close
Seal apparatus.
Background technology
Current polished rod stuffing box is mostly divided into rubber type packing box, agent injecting type packing box, rubber and the hybrid disk of injecting
Root box, but pass through frequently with the packing box with rubber packing, packing serious wear, packing service life is short, sealing effectiveness
It is bad, also, existing most of packing boxs can not realize tuningout, small part has the packing box of bias adjusting function, mostly spherical
Joint tuningout, and polished rod lateral deviation angular deviation are larger, and tuningout effect is undesirable, if the situation of eccentric wear occurs in polished rod for packing
Under, abrasion condition is even more serious；During using leather cup as blowout hookup, short life be present, coefficient of expansion accumulated deformation is big, intensity
The shortcomings that low；During using metal column as blowout hookup, gap between anti-spraying tube easily be present, injecting is easily missed, Er Qiecun
Expanding stuck hidden danger.
The content of the invention
The utility model provides a kind of injecting sealing tuningout assembly and injecting tuningout polish rod seal device, overcomes above-mentioned
The deficiency of prior art, it can effectively solve polished rod Yi Fasheng eccentric wears existing for polished rod stuffing box, packing serious wear, using the longevity
Order the problem of short, integral sealing effect is bad and lacks reliable blowout hookup.
One of the technical solution of the utility model is realized by following measures：A kind of injecting seals tuningout assembly,
Including seal sleeve, upper tuningout seat and lower deflection adjustment seat, injecting annular seal space, seal sleeve are provided between polished rod in the middle part of seal sleeve
Upper end is provided with the upper installation annular groove being sleeved on the outside of tuningout seat, is in match with upper installation annular groove bottom land on the outside of upper tuningout seat
Step-like, injecting annular seal space top is stretched into the lower end of upper tuningout seat, and seal sleeve lower end is provided with and is sleeved on the outside of lower deflection adjustment seat
Lower installation annular groove, lower deflection adjustment seat outside is step-like in matching with lower installation annular groove groove top, and injecting is stretched into lower deflection adjustment seat upper end
Annular seal space lower end, lower deflection adjustment seat lower inside are provided with tuningout annular groove, are set with anti-leakage ring in tuningout annular groove, close below anti-leakage ring
It is installed with the inside of big envelope cylinder and holds out against head, is installed with least on the seal sleeve between upper tuningout seat and lower deflection adjustment seat
One injecting mouth being connected with injecting annular seal space.
The two of the technical solution of the utility model are realized by following measures：A kind of injecting tuningout polished rod seal dress
Put, including polished rod, lower packing seal assembly, injecting sealing tuningout assembly and upper packing seal assembly, polished rod middle part outside is under
It is supreme to be set with lower packing seal assembly, injecting sealing tuningout assembly and upper packing seal assembly, the upper end of seal sleeve successively
It is fixedly installed togather with the lower end of upper packing seal assembly, the lower end of seal sleeve and the upper end of lower packing seal assembly are fixed
It is installed together；Upper packing packing cavity is provided with upper packing seal assembly, lower packing packing cavity is provided with lower packing seal assembly.
Here is the further optimization and/or improvements to above-mentioned utility model technical scheme：
Above-mentioned upper packing seal assembly may include from top to bottom to be sleeved on the upper lid and upper bush on the outside of polished rod, upper set successively
It is fixedly installed togather on the inside of cylinder lower end outside and seal sleeve upper end, on the outside of upper bush upper end and upper lid lower end inside fixes peace
It is fitted together, interior installation annular groove, the ring cavity shape between the upper bush and polished rod of upper lid lower section inner side is provided with the inside of upper bush upper end
Into upper packing packing cavity, the bottom of upper packing packing cavity is set with copper sheathing, and the top of upper packing packing cavity is set with upper packing pressure
Ring, upper packing pressure ring outside are fixed with energy seat in the outer land on upper bush upper surface.
Above-mentioned lower packing seal assembly may include from top to bottom to be sleeved on the first box cupling and the lower sleeve on the outside of polished rod successively,
First box cupling upper inner and seal sleeve lower outside are fixedly installed togather, the first box cupling lower inside and lower sleeve top
Inner side is fixedly installed togather, and lower sleeve inside middle portion is fixed with the interior limited ring dais on the outside of polished rod, outside the bottom of polished rod
Side is provided with the outer limited ring dais that are used cooperatively with interior limited ring dais, is installed between lower sleeve upper end and polished rod positioned at holding out against
Lower packing pressure ring between head and interior limited ring dais, lower sleeve between interior limited ring dais upper surface and lower packing pressure ring and
Ring cavity between polished rod forms lower packing packing cavity.
Above-mentioned injecting tuningout polish rod seal device can also include anti-spraying tube, the second box cupling and metal blowout-preventing volume, on anti-spraying tube
End outside and lower sleeve lower end inside are fixedly installed togather, and are fixedly mounted on the inside of lower sleeve lower inside and anti-spraying tube upper end
Together, the lower end of polished rod is installed with the second box cupling being sleeved in anti-spraying tube, and the lower end inside of the second box cupling is fixedly mounted
There is metal blowout-preventing volume, metal blowout-preventing volume middle part outside is fixed with about at least two and is spaced apart and can seal anti-spraying tube and metal
The leather cup of annular space between blowout-preventing volume, the 3rd that the lower end outside of metal blowout-preventing volume is installed with below lower end stretching anti-spraying tube connect
Hoop.
Metal blowout-preventing volume lower outside above above-mentioned 3rd box cupling can be provided with lower annular groove, and lower annular groove upper outside is set with
Lower support ring, the metal blowout-preventing volume outside of corresponding lower support ring upper and lower ends position are respectively installed with leather cup, the 3rd box cupling and position
It is connected through a screw thread on the outside of metal blowout-preventing volume between the leather cup of lower section and is installed with plunger back of the body cap, above plunger back of the body cap
On the outside of metal blowout-preventing volume the leather cup pressure ring on leather cup is held out against provided with upper end.
Metal blowout-preventing volume lower outside below above-mentioned second box cupling can be provided with outer groove, and outer groove lower outside is set with
Upper support ring, leather cup, the second box cupling and position are respectively installed with the outside of the metal blowout-preventing volume of support ring upper and lower ends position in correspondence
It is connected through a screw thread on the outside of metal blowout-preventing volume between the leather cup of top and is installed with plunger back of the body cap, above plunger back of the body cap
On the outside of metal blowout-preventing volume the leather cup pressure ring on leather cup is held out against provided with upper end.
Above-mentioned lower sleeve lower end outside can be fixed with base.
Above-mentioned polished rod apical lateral can be provided with external screw thread.
Outside can be the wearing layer that processing is refined by surfacing in the middle part of above-mentioned polished rod.
Above-mentioned polished rod lower outside can be provided with anticollision annular in shape and mark.
The utility model reasonable and compact in structure, it is easy to use, pass through the cooperation of upper tuningout seat and lower deflection adjustment seat, this practicality
It is new to coordinate following deflection-regulation with polished rod, it can effectively solve the problem that the eccentric wear problem of polished rod；Prevent injecting from leaking simultaneously, reduce injecting
Loss, keep long-term seal；Anti-leakage ring can move radially with polished rod, can prevent injecting from revealing while improving tuningout effect,
Keep sealing effectiveness；With it is laborsaving, easy, efficient the characteristics of.
Brief description of the drawings
Accompanying drawing 1 is the main view cross section structure diagram on the top of the utility model embodiment 2.
Accompanying drawing 2 is the main view cross section structure diagram of the bottom of the utility model embodiment 2.
Accompanying drawing 3 is the partial enlargement structural representation at A in accompanying drawing 2.
Coding in accompanying drawing is respectively：1 is polished rod, and 2 be injecting annular seal space, and 3 be seal sleeve, and 4 be upper tuningout seat, and 5 are
Lower deflection adjustment seat, 6 be upper installation annular groove, and 7 be lower installation annular groove, and 8 be tuningout annular groove, and 9 be anti-leakage ring, and 10 is hold out against head, and 11 be note
Agent mouth, 12 be upper lid, and 13 be upper bush, and 14 be copper sheathing, and 15 be upper packing pressure ring, and 16 be outer land, and 17 be upper packing, and 18 be
One box cupling, 19 be lower sleeve, and 20 be interior limited ring dais, and 21 be lower packing pressure ring, and 22 be lower packing, and 23 be anti-spraying tube, and 24 be
Two box cuplings, 25 be metal blowout-preventing volume, and 26 be leather cup, and 27 be the 3rd box cupling, and 28 be lower support ring, and 29 be plunger back of the body cap, and 30 be skin
Bowl pressure ring, 31 be upper support ring, and 32 be base, and 33 be external screw thread, and 34 be outer limited ring dais.
Embodiment
The utility model is not limited by following embodiments, can according to the technical solution of the utility model and actual conditions come
Determine specific embodiment.
In the utility model, for the ease of description, the description of the relative position relation of each part is according to specification
The Butut mode of accompanying drawing 1 is described, such as：The position relationship of forward and backward, upper and lower, left and right etc. is according to Figure of description 1
Butut direction determine.
The utility model is further described with reference to embodiment and accompanying drawing：
Embodiment 1：As shown in accompanying drawing 1,2,3, injecting sealing tuningout assembly include seal sleeve 3, upper tuningout seat 4 and under
Tuningout seat 5, is provided with injecting annular seal space 2 between the middle part of seal sleeve 3 and polished rod 1, the upper end of seal sleeve 3 is provided with and is sleeved on tuningout
The upper installation annular groove 6 in the outside of seat 4, the outside of upper tuningout seat 4 are in match step-like, upper tuningout seat 4 with the upper installation bottom land of annular groove 6
Lower end stretch into the top of injecting annular seal space 2, the lower end of seal sleeve 3 is provided with the lower installation annular groove 7 for being sleeved on the outside of lower deflection adjustment seat 5,
The outside of lower deflection adjustment seat 5 is step-like in matching with the lower installation groove top of annular groove 7, and the upper end of lower deflection adjustment seat 5 is stretched under injecting annular seal space 2
End, the lower inside of lower deflection adjustment seat 5 are provided with tuningout annular groove 8, and anti-leakage ring 9, the sealing of the lower section of anti-leakage ring 9 are set with tuningout annular groove 8
The inner side of sleeve 3, which is installed with, holds out against first 10, is installed with the seal sleeve 3 between upper tuningout seat 4 and lower deflection adjustment seat 5
At least one injecting mouth 11 being connected with injecting annular seal space 2.The present embodiment reasonable and compact in structure, it is easy to use, by upper
The cooperation of tuningout seat 4 and lower deflection adjustment seat 5, the present embodiment can coordinate following deflection-regulation with polished rod 1, can effectively solve the problem that the inclined of polished rod 1
Mill problem；Prevent injecting from leaking simultaneously, reduce injecting loss, keep long-term seal；Anti-leakage ring 9 can move radially with polished rod 1,
It can prevent injecting from revealing while improving tuningout effect, keep sealing effectiveness；With it is laborsaving, easy, efficient the characteristics of.
Embodiment 2：As shown in accompanying drawing 1,2,3, injecting tuningout polish rod seal device include polished rod 1, lower packing seal assembly,
Injecting seals tuningout assembly and upper packing seal assembly, and it is total that the middle part of polished rod 1 outside is set with lower packing sealing successively from the bottom to top
Fixed into, injecting sealing tuningout assembly and upper packing seal assembly, the upper end of seal sleeve 3 and the lower end of upper packing seal assembly
It is installed together, the lower end of seal sleeve 3 and the upper end of lower packing seal assembly are fixedly installed togather；Upper packing seal assembly
It is interior to be provided with upper packing packing cavity, it is provided with lower packing packing cavity in lower packing seal assembly.The present embodiment reasonable and compact in structure, makes
With conveniently, by the cooperation of upper tuningout seat 4 and lower deflection adjustment seat 5, the present embodiment can coordinate following deflection-regulation with polished rod 1, can be effective
Solves the problems, such as the eccentric wear of polished rod 1；Prevent injecting from leaking simultaneously, reduce injecting loss, keep long-term seal；Anti-leakage ring 9 can be with
Polished rod 1 moves radially, and can prevent injecting from revealing while improving tuningout effect, keeps sealing effectiveness；With laborsaving, easy, high
The characteristics of effect.
Above-mentioned injecting tuningout polish rod seal device can be made further optimization and/or improvements according to being actually needed：
As shown in accompanying drawing 1,2,3, upper packing seal assembly includes the upper lid 12 for being from top to bottom sleeved on the outside of polished rod 1 successively
With upper bush 13, it is fixedly installed togather on the inside of the lower end outside of upper bush 13 and the upper end of seal sleeve 3, on the outside of the upper end of upper bush 13
It is fixedly installed togather with the upper lower end inside of lid 12, interior installation annular groove, the upper lower section of lid 12 inner side is provided with the inside of the upper end of upper bush 13
Upper bush 13 and polished rod 1 between ring cavity form upper packing packing cavity, the bottom of upper packing packing cavity is set with copper sheathing 14, on
The top of packing filling chamber is set with upper packing pressure ring 15, and the outside of upper packing pressure ring 15 is fixed with energy seat in the upper surface of upper bush 13
On outer land 16.When upper packing 17 is installed, first dismantle upper lid 12 and upper packing pressure ring 15, then pacify in upper packing packing cavity
Packing 17 is loaded onto, then upper packing pressure ring 15 and upper lid 12 are installed successively, it is easy to operate, quick, installation effectiveness can be effectively improved；
Integral replacing is carried out and upper packing seal assembly and upper packing 17 can in advance collect and install, during maintenance, further heightens maintenance
Efficiency.
As shown in accompanying drawing 1,2,3, lower packing seal assembly connects including being from top to bottom sleeved on the first of the outside of polished rod 1 successively
Hoop 18 and lower sleeve 19, the upper inner of the first box cupling 18 and the lower outside of seal sleeve 3 are fixedly installed togather, the first box cupling 18
Lower inside and the upper inner of lower sleeve 19 are fixedly installed togather, and the inside middle portion of lower sleeve 19 is fixed with positioned at the outside of polished rod 1
Interior limited ring dais 20, the lower outside of polished rod 1 is provided with the outer limited ring dais 34 being used cooperatively with interior limited ring dais 20, lower sleeve
It is installed between 19 upper ends and polished rod 1 positioned at the lower packing pressure ring 21 held out against between first 10 and interior limited ring dais 20, between
Ring cavity between lower sleeve 19 and polished rod 1 between the interior upper surface of limited ring dais 20 and lower packing pressure ring 21 forms lower packing filler
Chamber., only need to be by the first box cupling 18 and the fixed bit of lower sleeve 19 when the lower packing serious wear installed in the packing cavity of lower packing 22
Put to take apart and pull down and hold out against first 10, you can quick-replaceable is carried out to lower packing 22, heightens overhaul efficiency；And lower packing sealing is total
Installed into that can collect in advance with lower packing 22, carry out integral replacing during maintenance, further heighten overhaul efficiency.
As shown in accompanying drawing 1,2,3, in addition to anti-spraying tube 23, the second box cupling 24 and metal blowout-preventing volume 25, the upper end of anti-spraying tube 23
Outside and the lower end inside of lower sleeve 19 are fixedly installed togather, fixed peace on the inside of the lower inside of lower sleeve 19 and the upper end of anti-spraying tube 23
It is fitted together, the lower end of polished rod 1 is installed with the second box cupling 24 being sleeved in anti-spraying tube 23, in the lower end of the second box cupling 24
Side is installed with metal blowout-preventing volume 25, and the middle part of metal blowout-preventing volume 25 outside is fixed with about at least two and is spaced apart and energy is close
The leather cup 26 of annular space between anti-spraying tube 23 and metal blowout-preventing volume 25 is sealed, the lower end outside of metal blowout-preventing volume 25 is installed with lower end
Stretch out the 3rd box cupling 27 of the lower section of anti-spraying tube 23.Using the combined type blowout prevention structure of above-mentioned metal blowout-preventing volume 25 and leather cup 26, have
Effect solves the drawbacks of existing blowout prevention structure, above carries during steam injection, down-hole pressure can be fully sealed, effectively play blowout prevention anti-pricked
Effect, improve the present embodiment sealing reliability, prevent stuck present generation, at the same extend the present embodiment use the longevity
Life.
As shown in accompanying drawing 1,2,3, the lower outside of metal blowout-preventing volume 25 of the top of the 3rd box cupling 27 is provided with lower annular groove, lower annular groove
Upper outside is set with lower support ring 28, and the outside of metal blowout-preventing volume 25 of the corresponding lower upper and lower ends position of support ring 28 is set with
There is leather cup 26, the outside of metal blowout-preventing volume 25 between the 3rd box cupling 27 and underlying leather cup 26 is connected through a screw thread fixed peace
Equipped with plunger back of the body cap 29, the outside of metal blowout-preventing volume 25 of the top of plunger back of the body cap 29 holds out against the leather cup pressure on leather cup 26 provided with upper end
Ring 30.Above-mentioned setting, good sealing effect, convenient disassembly, it is easy to change leather cup 26.
As shown in accompanying drawing 1,2,3, the lower outside of metal blowout-preventing volume 25 of the lower section of the second box cupling 24 is provided with outer groove, outer groove
Lower outside is set with support ring 31, and the outside of metal blowout-preventing volume 25 of the upper and lower ends position of support ring 31 is set with correspondence
There is leather cup 26, the outside of metal blowout-preventing volume 25 between the second box cupling 24 and leather cup 26 above is connected through a screw thread fixed peace
Equipped with plunger back of the body cap 29, the outside of metal blowout-preventing volume 25 of the top of plunger back of the body cap 29 holds out against the leather cup pressure on leather cup 26 provided with upper end
Ring 30.Above-mentioned setting, good sealing effect, convenient disassembly, it is easy to change leather cup 26.
As shown in accompanying drawing 1,2,3, the lower end outside of lower sleeve 19 is fixed with base 32.The setting of base 32, is easy to this implementation
Example and the connection of bottom device part.
As shown in accompanying drawing 1,2,3, the apical lateral of polished rod 1 is provided with external screw thread 33.The setting of external screw thread 33, beneficial in polished rod 1
During the installation clip of middle part, polished rod 1 is fixed.
As shown in accompanying drawing 1,2,3, the middle part of polished rod 1 outside is the wearing layer that processing is refined by surfacing.Refined by surfacing
The wearing layer of processing can be rigidly secured together with clamp, improve the overall reliability of the present apparatus.
As needed, the lower outside of polished rod 1 is provided with anticollision annular in shape and marked.The setting of anticollision mark, in lifting polished rod 1
During, visualized operation, prevent lifting from hitting well head accident.
Above technical characteristic constitutes preferred embodiment of the present utility model, and it has stronger adaptability and preferably implemented
Effect, can be according to the non-essential technical characteristic of increase and decrease be actually needed, to meet the needs of different situations.
Claims (10)
1. a kind of injecting seals tuningout assembly, it is characterised in that including seal sleeve, upper tuningout seat and lower deflection adjustment seat, seal sleeve
Injecting annular seal space is provided between middle part and polished rod, seal sleeve upper end is provided with the upper installation annular groove being sleeved on the outside of tuningout seat,
Step-like in matching with upper installation annular groove bottom land on the outside of upper tuningout seat, the lower end of upper tuningout seat is stretched on injecting annular seal space
Portion, seal sleeve lower end are provided with the lower installation annular groove being sleeved on the outside of lower deflection adjustment seat, are in and lower installation annular groove on the outside of lower deflection adjustment seat
Groove top matches step-like, and injecting annular seal space lower end is stretched into lower deflection adjustment seat upper end, and lower deflection adjustment seat lower inside is provided with tuningout ring
Groove, is set with anti-leakage ring in tuningout annular groove, is installed with the inside of the seal sleeve below anti-leakage ring and holds out against head, in upper tuningout seat
At least one injecting mouth being connected with injecting annular seal space is installed with seal sleeve between lower deflection adjustment seat.
2. a kind of injecting using described in claim 1 seals the injecting tuningout polish rod seal device of tuningout assembly, its feature exists
In including polished rod, lower packing seal assembly, injecting sealing tuningout assembly and upper packing seal assembly, in the middle part of polished rod outside by it is lower extremely
On be set with lower packing seal assembly, injecting sealing tuningout assembly and upper packing seal assembly, injecting sealing tuningout assembly successively
Including seal sleeve, upper tuningout seat and lower deflection adjustment seat, injecting annular seal space, seal sleeve are provided between polished rod in the middle part of seal sleeve
Upper end is provided with the upper installation annular groove being sleeved on the outside of tuningout seat, is in match with upper installation annular groove bottom land on the outside of upper tuningout seat
Step-like, injecting annular seal space top is stretched into the lower end of upper tuningout seat, and seal sleeve lower end is provided with and is sleeved on the outside of lower deflection adjustment seat
Lower installation annular groove, lower deflection adjustment seat outside is step-like in matching with lower installation annular groove groove top, and injecting is stretched into lower deflection adjustment seat upper end
Annular seal space lower end, lower deflection adjustment seat lower inside are provided with tuningout annular groove, are set with anti-leakage ring in tuningout annular groove, close below anti-leakage ring
It is installed with the inside of big envelope cylinder and holds out against head, is installed with least on the seal sleeve between upper tuningout seat and lower deflection adjustment seat
One injecting mouth being connected with injecting annular seal space；The upper end of seal sleeve and the lower end of upper packing seal assembly are fixedly mounted on
Together, the lower end of seal sleeve and the upper end of lower packing seal assembly are fixedly installed togather；It is provided with upper packing seal assembly
Upper packing packing cavity, lower packing seal assembly is interior to be provided with lower packing packing cavity.
3. injecting tuningout polish rod seal device according to claim 2, it is characterised in that upper packing seal assembly include by
Fixed peace on the inside of the upper lid and upper bush being sleeved on successively under up on the outside of polished rod, upper bush lower end outside and seal sleeve upper end
It is fitted together, is fixedly installed togather on the outside of upper bush upper end with upper lid lower end inside, interior installation is provided with the inside of upper bush upper end
Annular groove, the ring cavity between the upper bush and polished rod of upper lid lower section inner side form upper packing packing cavity, the bottom of upper packing packing cavity
Copper sheathing is set with, the top of upper packing packing cavity is set with upper packing pressure ring, and energy seat is fixed with the outside of upper packing pressure ring in upper set
Outer land on cylinder upper surface.
4. the injecting tuningout polish rod seal device according to Claims 2 or 3, it is characterised in that lower packing seal assembly includes
The first box cupling and the lower sleeve being from top to bottom sleeved on successively on the outside of polished rod, outside the first box cupling upper inner and seal sleeve bottom
Side is fixedly installed togather, and the first box cupling lower inside and lower sleeve upper inner are fixedly installed togather, in lower sleeve middle part
Side is fixed with the interior limited ring dais on the outside of polished rod, and the lower outside of polished rod is provided with the outer limit being used cooperatively with interior limited ring dais
Position land, it is installed between lower sleeve upper end and polished rod positioned at the lower packing pressure ring held out against between head and interior limited ring dais,
Ring cavity between lower sleeve and polished rod between interior limited ring dais upper surface and lower packing pressure ring forms lower packing packing cavity.
5. the injecting tuningout polish rod seal device according to Claims 2 or 3, it is characterised in that also including anti-spraying tube, second
Box cupling and metal blowout-preventing volume, anti-spraying tube upper end outside and lower sleeve lower end inside are fixedly installed togather, lower sleeve lower inside
It is fixedly installed togather with anti-spraying tube upper end inner side, the lower end of polished rod is installed with the second box cupling being sleeved in anti-spraying tube,
The lower end inside of second box cupling is installed with metal blowout-preventing volume, and outside is fixed with least two between the upper and lower in the middle part of metal blowout-preventing volume
Every distribution and the leather cup of annular space between anti-spraying tube and metal blowout-preventing volume can be sealed, the lower end outside of metal blowout-preventing volume is installed with
The 3rd box cupling that lower end is stretched out below anti-spraying tube.
6. injecting tuningout polish rod seal device according to claim 4, it is characterised in that also including anti-spraying tube, the second box cupling
With metal blowout-preventing volume, it is fixedly installed togather with lower sleeve lower end inside on the outside of anti-spraying tube upper end, lower sleeve lower inside and anti-
It is fixedly installed togather on the inside of spray canister upper end, the lower end of polished rod is installed with the second box cupling being sleeved in anti-spraying tube, and second
The lower end inside of box cupling is installed with metal blowout-preventing volume, in the middle part of metal blowout-preventing volume outside be fixed with least two between the upper and lower every point
Cloth and the leather cup that can seal annular space between anti-spraying tube and metal blowout-preventing volume, the lower end outside of metal blowout-preventing volume are installed with lower end
The 3rd box cupling stretched out below anti-spraying tube.
7. injecting tuningout polish rod seal device according to claim 5, it is characterised in that the metal above the 3rd box cupling is prevented
Spray column lower outside is provided with lower annular groove, and lower annular groove upper outside is set with lower support ring, corresponding lower support ring upper and lower ends position
Metal blowout-preventing volume on the outside of be respectively installed with leather cup, it is logical on the outside of metal blowout-preventing volume between the 3rd box cupling and underlying leather cup
Cross threaded connection and be installed with plunger back of the body cap, held out against on the outside of the metal blowout-preventing volume above plunger back of the body cap provided with upper end on leather cup
Leather cup pressure ring；Or/and the second metal blowout-preventing volume lower outside below box cupling is provided with outer groove, outer groove lower outside set
Equipped with upper support ring, leather cup, the second box cupling are respectively installed with the outside of the metal blowout-preventing volume of support ring upper and lower ends position in correspondence
It is connected through a screw thread on the outside of metal blowout-preventing volume between leather cup above and is installed with plunger back of the body cap, in plunger back of the body cap
On the outside of the metal blowout-preventing volume of side the leather cup pressure ring on leather cup is held out against provided with upper end.
8. injecting tuningout polish rod seal device according to claim 6, it is characterised in that the metal above the 3rd box cupling is prevented
Spray column lower outside is provided with lower annular groove, and lower annular groove upper outside is set with lower support ring, corresponding lower support ring upper and lower ends position
Metal blowout-preventing volume on the outside of be respectively installed with leather cup, it is logical on the outside of metal blowout-preventing volume between the 3rd box cupling and underlying leather cup
Cross threaded connection and be installed with plunger back of the body cap, held out against on the outside of the metal blowout-preventing volume above plunger back of the body cap provided with upper end on leather cup
Leather cup pressure ring；Or/and the second metal blowout-preventing volume lower outside below box cupling is provided with outer groove, outer groove lower outside set
Equipped with upper support ring, leather cup, the second box cupling are respectively installed with the outside of the metal blowout-preventing volume of support ring upper and lower ends position in correspondence
It is connected through a screw thread on the outside of metal blowout-preventing volume between leather cup above and is installed with plunger back of the body cap, in plunger back of the body cap
On the outside of the metal blowout-preventing volume of side the leather cup pressure ring on leather cup is held out against provided with upper end.
9. the injecting tuningout polish rod seal device according to claim 2 or 6 or 7 or 8, it is characterised in that outside lower sleeve lower end
Side is fixed with base；
Or/and polished rod apical lateral is provided with external screw thread；
Or/and outside is the wearing layer that processing is refined by surfacing in the middle part of polished rod；
Or/and polished rod lower outside is provided with anticollision annular in shape and marked.
10. injecting tuningout polish rod seal device according to claim 5, it is characterised in that lower sleeve lower end outside is fixed with
Base；
Or/and polished rod apical lateral is provided with external screw thread；
Or/and outside is the wearing layer that processing is refined by surfacing in the middle part of polished rod；
Or/and polished rod lower outside is provided with anticollision annular in shape and marked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721055068.5U CN207161034U (en) | 2017-08-22 | 2017-08-22 | Injecting seals tuningout assembly and injecting tuningout polish rod seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721055068.5U CN207161034U (en) | 2017-08-22 | 2017-08-22 | Injecting seals tuningout assembly and injecting tuningout polish rod seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161034U true CN207161034U (en) | 2018-03-30 |
Family
ID=61718179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721055068.5U Expired - Fee Related CN207161034U (en) | 2017-08-22 | 2017-08-22 | Injecting seals tuningout assembly and injecting tuningout polish rod seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161034U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775231A (en) * | 2018-09-17 | 2018-11-09 | 克拉玛依胜利高原机械有限公司 | Replaceable polish rod anti-blowout packing box |
| CN108843268A (en) * | 2018-09-17 | 2018-11-20 | 克拉玛依胜利高原机械有限公司 | Replaceable polished rod packing kit for thermal recovery |
-
2017
- 2017-08-22 CN CN201721055068.5U patent/CN207161034U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775231A (en) * | 2018-09-17 | 2018-11-09 | 克拉玛依胜利高原机械有限公司 | Replaceable polish rod anti-blowout packing box |
| CN108843268A (en) * | 2018-09-17 | 2018-11-20 | 克拉玛依胜利高原机械有限公司 | Replaceable polished rod packing kit for thermal recovery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207161034U (en) | Injecting seals tuningout assembly and injecting tuningout polish rod seal device | |
| CN203272796U (en) | Sealing structure of pull rod of variable-loading coal mill | |
| CN203081896U (en) | Servo hydrocylinder | |
| CN205154090U (en) | Transfer oblique wear -resisting packing box | |
| CN207701103U (en) | Multifunctional polish rod seal device | |
| CN206522298U (en) | A kind of cylinder | |
| CN202732541U (en) | Double-cushion strong-sealing hydraulic oil cylinder | |
| CN211201847U (en) | Eccentric wear prevention packing for oil extraction | |
| CN206246086U (en) | A kind of tubing head device of novel anti-leakage crack resistence | |
| CN201215192Y (en) | Structure improved ball-valve | |
| CN205297442U (en) | Fracturing, gas production metal seal's for well head tubing hanger | |
| CN209724844U (en) | A kind of high-voltage oil cylinder that dismounting abrasion is small | |
| CN202718967U (en) | Double buffering self-adjustment positioning hydraulic oil cylinder | |
| CN102787819A (en) | Tire type puncture-proof eccentric packing box | |
| CN204592370U (en) | Heat radiation ball valve | |
| CN208718603U (en) | Replaceable polish rod anti-blowout packing box | |
| CN205173516U (en) | Butterfly valve | |
| CN206592275U (en) | A kind of sealing structure on plunger pump | |
| CN204677881U (en) | A kind of one-way valve with elastic sealing structure | |
| CN207195901U (en) | Whirl compensator | |
| CN108708683A (en) | A kind of oil well environment protective eccentric abrasion prevention wellhead assembly | |
| CN216588528U (en) | Air storage type multi-stage polish rod sealing device | |
| CN205895193U (en) | Tuningout polish rod sealing device is prevented spouting by high abrasion | |
| CN209855740U (en) | Packing box pressing cap for long-stroke pumping unit polished rod | |
| CN208686700U (en) | A kind of hydraulic press ejection cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180330 Termination date: 20200822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |