CN206668188U - The unidirectionally controlled pipe nipple of reacting cycle and reacting cycle unidirectional control device - Google Patents
The unidirectionally controlled pipe nipple of reacting cycle and reacting cycle unidirectional control device Download PDFInfo
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- CN206668188U CN206668188U CN201720259073.1U CN201720259073U CN206668188U CN 206668188 U CN206668188 U CN 206668188U CN 201720259073 U CN201720259073 U CN 201720259073U CN 206668188 U CN206668188 U CN 206668188U
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- 210000002445 nipple Anatomy 0.000 title claims abstract description 174
- 238000007789 sealing Methods 0.000 claims description 5
- 230000011218 segmentation Effects 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 60
- 239000012530 fluid Substances 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 3
- 238000005520 cutting process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
A kind of unidirectionally controlled pipe nipple of reacting cycle and reacting cycle unidirectional control device, the unidirectionally controlled pipe nipple of reacting cycle includes control nipple body, its center is provided with stairstepping control pipe nipple endoporus, controls cavity wall on pipe nipple endoporus to be provided with the first internal thread, lower cavity wall top is provided with the second internal thread；Reacting cycle unidirectional control device includes pipe nipple, reacting cycle inner cylinder mechanism, reacting cycle outer barrel and the unidirectionally controlled pipe nipple of reacting cycle on interpolation type reacting cycle, reacting cycle inner cylinder mechanism is provided with check valve, reacting cycle inner cylinder mechanism is placed through the outer tube inner chamber of reacting cycle, reacting cycle inner cylinder mechanism, reacting cycle outer barrel upper end are connected to pipe nipple lower end on interpolation type reacting cycle, and reacting cycle inner cylinder mechanism lower end, reacting cycle outer barrel lower end are spirally connected with the unidirectionally controlled pipe nipple of reacting cycle.The utility model is simple in construction, ingenious in design, when being assembled into upper plug type or down inserting type reverse circulating drilling tool drilling well with other parts, both direct circulation drilling well can be realized, and when boring chance leakage stratum, drilling fluid can be from the upper plug type or down inserting type reacting cycle device of drilling tool by realizing counterflush drilling.
Description
Technical field
Drilling equipment technical field is the utility model is related to, the unidirectionally controlled pipe nipple of espespecially a kind of reacting cycle and reacting cycle are unidirectional
Control device.
Background technology
In fields such as oil, geological drilling, completion practices, existing drilling model is direct circulation drilling well, i.e., drilling fluid from
Drilling tool endoporus is pumped into, and enters pit shaft after drill bit outflow, is carried drilling cuttings and is returned to stratum by the annular space between drilling tool and the borehole wall, through ground
The processing such as face cleaning system desanding are pumped into drilling tool endoporus so as to form a direct circulation again after safeguarding.
When boring chance leakage stratum, enter stratum from drop ply when drilling fluid returns from shaft bottom, can not normally return out stratum, from
And cause a series of undergrounds complexity and accident.Particularly shallow-layer or top layer drilling well, because buried depth of strata is shallow, crushing rock formation, dredge
Pine, often expend the final still leak stopping of a large amount of human and material resources and fail, cause drilling well work not continue.
Lack unidirectional control device in existing control pipe nipple structure, the drilling fluid and drilling cuttings returned from shaft bottom is easily accessible
Annular space between reacting cycle inner cylinder mechanism, reacting cycle outer barrel, once and drilling cuttings entrance, easily formation blocking cause reacting cycle
Failure.
Utility model content
The purpose of this utility model is to provide a kind of unidirectionally controlled pipe nipple of reacting cycle and reacting cycle unidirectional control device, its
It is simple in construction, it is ingenious in design, when being assembled into upper plug type reverse circulating drilling tool or down inserting type reverse circulating drilling tool drilling well with other parts, both
Conventional direct circulation drilling well can be achieved, and when boring chance leakage stratum, drilling fluid also can be from the upper plug type reacting cycle device of drilling tool
Or by realizing counterflush drilling in down inserting type reacting cycle device.
To achieve these goals, technical solution of the present utility model is：A kind of unidirectionally controlled pipe nipple of reacting cycle, its
Include controlling nipple body, the center of the control nipple body is provided with the small step in the big bottom in top in the axial direction
Shape controls pipe nipple endoporus, and the upper cavity wall of the control pipe nipple endoporus is provided with the first internal thread, the cavity of resorption of the control pipe nipple endoporus
Wall top is provided with the second internal thread.
The unidirectionally controlled pipe nipple of the utility model reacting cycle, wherein the epicoele of the control pipe nipple endoporus, control pipe nipple endoporus
Cavity of resorption shaped upper part be towards openend be flaring cone structure.
The unidirectionally controlled pipe nipple of the utility model reacting cycle, wherein the outer surface lower end of the control nipple body is provided with first
External screw thread.
A kind of reacting cycle unidirectional control device, it includes pipe nipple on interpolation type reacting cycle, in reacting cycle successively from top to bottom
Cylinder mechanism, reacting cycle outer barrel and the unidirectionally controlled pipe nipple of described reacting cycle, the reacting cycle inner cylinder mechanism are placed through outside reacting cycle
The inner chamber of cylinder, the reacting cycle inner cylinder mechanism are provided with check valve, and the reacting cycle inner cylinder mechanism, the upper end of reacting cycle outer barrel are equal
Pipe nipple lower end on the interpolation type reacting cycle is connected to, the lower end of the reacting cycle inner cylinder mechanism and the reacting cycle are unidirectionally controlled
Second internal thread of pipe nipple is spirally connected fixation, the lower end of the reacting cycle outer barrel with the first of the unidirectionally controlled pipe nipple of the reacting cycle
Screw thread is spirally connected fixation.
The utility model reacting cycle unidirectional control device, wherein pipe nipple includes upper pipe nipple sheet on the interpolation type reacting cycle
Body, the center of the upper nipple body are provided with upper pipe nipple endoporus in the axial direction, and the upper pipe nipple endoporus is three-stage cylinder
Through hole, the epicoele aperture of the upper pipe nipple endoporus are more than the lumen aperture and cavity of resorption aperture of upper pipe nipple endoporus, in the upper pipe nipple
The cavity of resorption aperture in hole is more than lumen aperture, and the upper nipple body is circumferentially arranged with multiple pod apertures through its upper and lower end, institute
State the axial line of pod apertures and the axis parallel of upper pipe nipple endoporus, the upper pipe nipple endoporus be located at multiple pod apertures it
Between, the upper end of the pod apertures connects with the epicoele of upper pipe nipple endoporus.
The utility model reacting cycle unidirectional control device, wherein the epicoele bottom of the upper pipe nipple endoporus and upper nipple body
Lower end be respectively equipped with the guiding gutter of ring-type first and the guiding gutter of ring-type second, first guiding gutter, the second guiding gutter respectively with
Multiple pod apertures connections, first guiding gutter, the axial line axle center with corresponding pod apertures respectively of the second guiding gutter
Line is parallel.
The utility model reacting cycle unidirectional control device, wherein the upper cavity wall of the upper pipe nipple endoporus is provided with spiral shell in the 3rd
Line, the outer surface lower end of the upper nipple body are provided with the second external screw thread, and pipe nipple is by outside second on the interpolation type reacting cycle
Screw thread is connected with the reacting cycle outer barrel upper end.
The utility model reacting cycle unidirectional control device, wherein the reacting cycle inner cylinder mechanism is included with hollow cavity
Reacting cycle inner cylinder, the outer surface top of the reacting cycle inner cylinder are arranged at intervals with multiple seal grooves, and each seal groove is interior respectively
Sealing ring is installed.
The utility model reacting cycle unidirectional control device, wherein the outer surface bottom of the reacting cycle inner cylinder is provided with the 3rd
External screw thread, the reacting cycle inner cylinder upper end are plugged in the inner chamber bottom of pipe nipple on the interpolation type reacting cycle, in the reacting cycle
The lower end of cylinder is spirally connected by the 3rd external screw thread and the unidirectionally controlled pipe nipple upper end of reacting cycle.
The utility model reacting cycle unidirectional control device, wherein the outer surface bottom of the reacting cycle inner cylinder be provided with it is multiple
Cinclides.
The utility model reacting cycle unidirectional control device, wherein the outer surface of the reacting cycle inner cylinder be arranged at intervals with it is multiple
Wiper block.
The utility model reacting cycle unidirectional control device, wherein the inner chamber upper end of the reacting cycle outer barrel is provided with the 4th
Screw thread, the outer surface lower end of the reacting cycle outer barrel are provided with the 4th external screw thread, and the reacting cycle outer barrel passes through the 4th internal thread
Fixed with the second external thread bolt connection of the upper nipple body.
After such scheme, the unidirectionally controlled pipe nipple of the utility model reacting cycle and reacting cycle unidirectional control device by
The centrally disposed control pipe nipple endoporus of the unidirectionally controlled pipe nipple of reacting cycle, when reacting cycle unidirectional control device upper end with upper plug type is counter follows
Loop device or the connection of down inserting type reacting cycle device, lower end are connected composition upper plug type reverse circulating drilling tool or down inserting type with drill collar and drill bit
Reverse circulating drilling tool, control pipe nipple endoporus and the reacting cycle inner cylinder machine of the unidirectionally controlled pipe nipple of reacting cycle of reacting cycle unidirectional control device
On the inner chamber of structure, interpolation type reacting cycle the upper pipe nipple endoporus of pipe nipple be interconnected and with upper plug type reacting cycle device or down inserting type
The central bore connection of reacting cycle device, the first passage formed in drilling tool, it is easy to drilling fluid normal by carrying out from first passage
Advise direct circulation drilling well；And circumferentially arranged on pipe nipple on the interpolation type reacting cycle for passing through reacting cycle unidirectional control device multiple lead
The annular space formed between the reacting cycle inner cylinder mechanism outer tube wall and reacting cycle outer tube inner wall of discharge orifice, multiple pod apertures and connection
Connection, with upper plug type reacting cycle device or multiple second pod apertures on down inserting type reacting cycle device, multiple 3rd pod apertures, more
The annular space formed between individual second reacting cycle inner cylinder mechanism outer tube wall and the second reacting cycle outer tube inner wall is formed in drilling tool
Second channel, counterflush drilling is carried out in leakiness stratum using this passage, and by the anti-of reacting cycle unidirectional control device
Inner cylinder mechanism installation check valve is circulated, can effectively control drilling fluid and drilling cuttings mixture can only be along on the first passage of drilling tool
Return, and compressed gas flows to first passage from second channel, and drilling fluid and drilling cuttings are promoted under gas lift and return out ground,
So that oil drilling can be also normally carried out in leakiness stratum.
Brief description of the drawings
Fig. 1 is the structural representation of the unidirectionally controlled pipe nipple of the utility model reacting cycle；
Fig. 2 is the structural representation of the utility model reacting cycle unidirectional control device；
Fig. 3 is the sectional structure signal of pipe nipple on the interpolation type reacting cycle of the utility model reacting cycle unidirectional control device
Figure；
Fig. 4 is Fig. 3 A-A faces cross section structure diagram；
Fig. 5 is the reacting cycle inner cylinder mechanism structure schematic diagram of the utility model reacting cycle unidirectional control device；
Fig. 6 is the reacting cycle outer tube structure schematic diagram of the utility model reacting cycle unidirectional control device；
Fig. 7 is the down inserting type reverse circulating drilling tool structural representation with the utility model reacting cycle unidirectional control device；
Fig. 8 is the structural representation of the down inserting type reacting cycle device of Fig. 7 down inserting type reverse circulating drilling tool.
Below in conjunction with the accompanying drawings, the utility model is described further by embodiment；
Embodiment
As shown in figure 1, the unidirectionally controlled pipe nipple of the utility model reacting cycle includes control nipple body 1, nipple body 1 is controlled
Center be provided with the small step shape control pipe nipple endoporus 2 in the big bottom in top, the epicoele of control pipe nipple endoporus 2 in the axial direction
Wall is provided with the first internal thread 3, and the lower cavity wall top of control pipe nipple endoporus 2 is provided with the second internal thread 4.Control the upper of pipe nipple endoporus 2
Chamber, control pipe nipple endoporus 2 cavity of resorption shaped upper part be towards openend be flaring cone structure.Control the outer of nipple body 1
Surface lower end is provided with the first external screw thread 5.
As shown in Fig. 2 the utility model reacting cycle unidirectional control device includes on interpolation type reacting cycle successively from top to bottom
The unidirectionally controlled pipe nipple 9 of reacting cycle described in pipe nipple 6, reacting cycle inner cylinder mechanism 7, reacting cycle outer barrel 8 and Fig. 1.
As shown in Figure 3 and Figure 4, pipe nipple 6 includes upper nipple body 10, the center of upper nipple body 10 on interpolation type reacting cycle
It is provided with upper pipe nipple endoporus 11 in the axial direction, upper pipe nipple endoporus 11 is three-stage cylindrical hole, the epicoele of upper pipe nipple endoporus 11
Aperture is more than the lumen aperture and cavity of resorption aperture of upper pipe nipple endoporus 11, and the cavity of resorption aperture of upper pipe nipple endoporus 11 is more than lumen aperture,
Upper nipple body 10 circumferentially arranged with multiple pod apertures 12 through its upper and lower end, the axial line of pod apertures 12 with upper pipe nipple
The axis parallel in hole 11, upper pipe nipple endoporus 11 between multiple pod apertures 12, and the axial line of upper pipe nipple endoporus 11 with it is more
The round-shaped axial line that individual pod apertures 12 surround overlaps.The upper end of pod apertures 12 connects with the epicoele of upper pipe nipple endoporus 11.
The epicoele bottom of upper pipe nipple endoporus 11 and the lower end of upper nipple body 10 are respectively equipped with the first guiding gutter of ring-type 13 and ring-type second
Guiding gutter 14, the first guiding gutter 13, the second guiding gutter 14 are connected with multiple pod apertures 12 respectively, and the first guiding gutter 13, second are led
The axial line of chute 14 axis parallel with corresponding pod apertures 12 respectively.The upper cavity wall of upper pipe nipple endoporus 11 is provided with the 3rd
Internal thread 15, the outer surface lower end of upper nipple body 10 are provided with the second external screw thread 16, and pipe nipple 6 passes through second on interpolation type reacting cycle
External screw thread 16 is connected with the upper end of reacting cycle outer barrel 8.
Reacting cycle inner cylinder mechanism 7 is placed through the inner chamber of reacting cycle outer barrel 8, as shown in figure 5, reacting cycle inner cylinder mechanism 7 includes
Reacting cycle inner cylinder 17 with hollow cavity, the outer surface top of reacting cycle inner cylinder 17 are arranged at intervals with multiple seal grooves 18, respectively
Sealing ring 19 is separately installed with seal groove 18.The outer surface bottom of reacting cycle inner cylinder 17 is provided with the 3rd external screw thread 20, counter to follow
The upper end of ring inner cylinder 17 is plugged in the inner chamber bottom of the upper pipe nipple endoporus 11 of pipe nipple 6 on interpolation type reacting cycle, multiple sealing rings 19
Setting be to ensure the sealed connection of reacting cycle inner cylinder 17 and the unidirectionally controlled pipe nipple 9 of reacting cycle.Outside reacting cycle inner cylinder 17
Surface lower portions are provided with multiple check valves 21.The outer surface of reacting cycle inner cylinder 17 is arranged at intervals with multiple wiper blocks 22, Duo Gefu
Positive block 22 is provided for ensureing that reacting cycle inner cylinder mechanism 7 is placed in the middle in reacting cycle outer barrel 8.
With reference to shown in Fig. 6, the inner chamber upper end of reacting cycle outer barrel 8 is provided with the 4th internal thread 23, the appearance of reacting cycle outer barrel 8
Face lower end is provided with the 4th external screw thread 24, reacting cycle outer barrel 8 by the 4th internal thread 23 with pipe nipple 6 on interpolation type reacting cycle the
Two external screw threads 16 are spirally connected fixation.
It is illustrated in figure 7 the down inserting type reverse circulating drilling tool structural representation with the utility model reacting cycle unidirectional control device
Figure, it includes down inserting type reacting cycle device 25, reacting cycle unidirectional control device 52, drill collar 53 and drill bit 54 successively from top to bottom,
The lower end connection drill collar 53 of the unidirectionally controlled pipe nipple 9 of reacting cycle, the lower end connection drill bit 54 of drill collar 53.Wherein：
With reference to shown in Fig. 8, down inserting type reacting cycle device 25 includes the pipe nipple 26 on the screw fastening type reacting cycle of upper end, spinner
Pipe nipple 26 includes nipple body 27 on second on formula reacting cycle, and the center of nipple body 27 is provided with top in the axial direction on second
Pipe nipple endoporus 28 in the big small step shape second in bottom, on second nipple body 27 circumferentially arranged with it is multiple through thereon,
Second pod apertures 29 of lower end, the axis parallel of nipple body 27 in the second pod apertures 29 and second, pipe nipple endoporus on second
28 are located at the center of multiple second pod apertures 29, the epicoele company of pipe nipple endoporus 28 on the upper end and second of the second pod apertures 29
It is logical.The lower end of nipple body 27 is respectively equipped with the guiding gutter 30 of ring-type the 3rd on the epicoele bottom and second of pipe nipple endoporus 28 on second
With the guiding gutter 31 of ring-type the 4th, triplicate form guiding gutter 30, the 4th guiding gutter 31 connect with multiple second pod apertures 29 respectively, the
The axial line axis parallel with each second pod apertures 29 respectively of three guiding gutters 30, the 4th guiding gutter 31.On second in pipe nipple
The round-shaped center line that the center line in hole 28 surrounds with multiple second pod apertures 29 overlaps.Pipe nipple endoporus 28 is upper on second
Cavity wall is provided with the 5th internal thread 32, and the lower cavity wall bottom of pipe nipple endoporus 28 is provided with the 6th internal thread 33 on second.Pipe nipple on second
The epicoele of endoporus 28, the cavity of resorption lower shape of pipe nipple endoporus 28 is towards the cone structure that openend is flaring on second.Second
The outer surface lower end of upper nipple body 27 is provided with the 5th external screw thread 34.Nipple body on the second of pipe nipple 26 on screw fastening type reacting cycle
27 inner chamber lower end is connected by the 6th internal thread 33 with the second reacting cycle inner cylinder mechanism 35.Second reacting cycle inner cylinder mechanism 35 is wrapped
Include the second reacting cycle inner cylinder 36 and be installed on multiple second wiper blocks 37 of the outer surface of the second reacting cycle inner cylinder 36, the second reacting cycle
The outer surface bottom of inner cylinder 36 is provided with multiple second seal grooves 38, and the second sealing ring is separately installed with each second seal groove 38
39.The outer surface upper end of second reacting cycle inner cylinder 36 is provided with the 6th external screw thread 40, and the second system reacting cycle inner cylinder 36 passes through
Six external screw threads 40 and the 6th internal thread 33 of nipple body on second 27 are spirally connected and are fixed together.On second under nipple body 27
End is connected by the 5th external screw thread 34 with the second reacting cycle outer barrel 41.The inner chamber upper end of second reacting cycle outer barrel 41 is provided with the 7th
Internal thread 42, the outer surface lower end of the second reacting cycle outer barrel 41 are provided with the 7th external screw thread 43, and the second reacting cycle outer barrel 41 passes through
7th internal thread 42 and the 5th external screw thread 34 of nipple body on second 27 are spirally connected and are fixed together.Second reacting cycle inner cylinder mechanism
35 are set in the inner chamber of the second reacting cycle outer barrel 41, and the lower end of the second reacting cycle outer barrel 41 is connected with pipe nipple under interpolation type reacting cycle
44.Pipe nipple 44 includes lower nipple body 45 under interpolation type reacting cycle, and the center of lower nipple body 45 is provided with through its axial line
Pipe nipple endoporus 46 under stairstepping, the inner chamber upper end of lower nipple body 45 are provided with the 8th internal thread 47, lower nipple body 45 it is outer
Surface lower end is provided with the 8th external screw thread 48, and the second reacting cycle outer barrel 41 passes through the 7th external screw thread 43 and pipe nipple under interpolation type reacting cycle
44 the 8th internal thread 47 is spirally connected fixation.The bottom of second reacting cycle inner cylinder 36 is plugged in the lower pipe nipple endoporus of lower nipple body 45
In 46 inner chamber.It is circumferentially arranged in lower nipple body 45 to have multiple 3rd pod apertures 49, the axle center of multiple 3rd pod apertures 49
The axis parallel of line and lower pipe nipple endoporus 46, the circle that the axial line of lower nipple body 45 surrounds with multiple 3rd pod apertures 49
The center line of shape overlaps.The upper and lower end of lower nipple body 45 is respectively arranged with the guiding gutter 50 of ring-type the 5th and ring-type the 6th is led
Chute 51, multiple 3rd pod apertures 49 connect with the 5th guiding gutter 50 and the 6th guiding gutter 51 respectively.Multiple 3rd pod apertures 49
Upper end communicated with the annular space between the outer wall of the second reacting cycle inner cylinder mechanism 35 and the inwall of the second reacting cycle outer barrel 41, the ring
It is empty to be communicated again with multiple second pod apertures 29.The lower end of the multiple 3rd pod apertures 49 lower end phase with multiple pod apertures 12 respectively
Logical, the lower end of multiple pod apertures 12 communicates with the annular space between the outer wall of reacting cycle inner cylinder mechanism 7 and the inwall of reacting cycle outer barrel 8.
The down inserting type reverse circulating drilling tool being assembled into using the utility model reacting cycle unidirectional control device is combined, instead of existing
Drilling tool carries out wellbore construction, when normal drilling well, pipe nipple endoporus 28 and second anti-on the second of pipe nipple 26 on screw fastening type reacting cycle
Circulate the lower pipe nipple endoporus 46 of pipe nipple 44 under the inner chamber of inner cylinder mechanism 35, interpolation type reacting cycle, pipe nipple 6 on interpolation type reacting cycle
The control pipe nipple endoporus 2 of upper pipe nipple endoporus 11, the endoporus of reacting cycle inner cylinder mechanism 7 and the unidirectionally controlled pipe nipple of reacting cycle connects, shape
Into the first passage in drilling tool, drilling fluid is from first passage by carrying out conventional direct circulation drilling well.
When boring chance leakage stratum, by operating the drilling fluid guiding device on ground, from pipe nipple 26 on screw fastening type reacting cycle
The second pod apertures 29 be pumped into high pressure air, high pressure air is via in multiple second pod apertures 29, the second reacting cycle
Cylinder the outer tube wall of mechanism 35 and the inner tubal wall of the second reacting cycle outer barrel 41 between formed annular space, multiple 3rd pod apertures
49th, the second channel of the annular space composition formed between multiple pod apertures 12, reacting cycle inner cylinder mechanism 7 and reacting cycle outer barrel 8,
High pressure air enters drilling tool via the check valve 21 on the tube wall of reacting cycle inner cylinder mechanism 7 of reacting cycle unidirectional control device 52
First passage after return out ground, annular space between drilling tool, the borehole wall (casing wall) and drilling tool first passage form positive differential pressure, ground
Drilling fluid is pumped into from the annular space between drilling tool, the borehole wall (casing wall), drilling fluid is from annular space reaches shaft bottom, carrying drilling cuttings enters drill bit
54th, into drilling tool first passage, ground is returned out under the lasting promotion of high pressure air, realizes counterflush drilling.
Embodiment described above is only that preferred embodiment of the present utility model is described, not new to this practicality
The scope of type is defined, on the premise of the utility model design spirit is not departed from, this area ordinary skill technical staff couple
The various modifications and improvement that the technical solution of the utility model is made, it all should fall into what claims of the present utility model determined
In protection domain.
Claims (12)
1. a kind of unidirectionally controlled pipe nipple of reacting cycle, it is characterised in that described to control in nipple body including controlling nipple body
The heart is provided with the small step shape control pipe nipple endoporus in the big bottom in top, the upper cavity wall of the control pipe nipple endoporus in the axial direction
Provided with the first internal thread, the lower cavity wall top of the control pipe nipple endoporus is provided with the second internal thread.
2. the unidirectionally controlled pipe nipple of reacting cycle as claimed in claim 1, it is characterised in that the epicoele of the control pipe nipple endoporus,
The cavity of resorption shaped upper part for controlling pipe nipple endoporus is towards the cone structure that openend is flaring.
3. the unidirectionally controlled pipe nipple of reacting cycle as claimed in claim 1 or 2, it is characterised in that outside the control nipple body
Surface lower end is provided with the first external screw thread.
4. a kind of reacting cycle unidirectional control device, it is characterised in that include pipe nipple on interpolation type reacting cycle, anti-successively from top to bottom
The unidirectionally controlled pipe nipple of reacting cycle described in one of inner cylinder mechanism, reacting cycle outer barrel and claim 1-3 is circulated, in the reacting cycle
Cylinder mechanism is provided with check valve, and the reacting cycle inner cylinder mechanism is placed through the inner chamber of reacting cycle outer barrel, the reacting cycle inner cylinder machine
Structure, the upper end of reacting cycle outer barrel are all connected to pipe nipple lower end on the interpolation type reacting cycle, under the reacting cycle inner cylinder mechanism
End and the second internal thread of the unidirectionally controlled pipe nipple of the reacting cycle are spirally connected fixation, and the lower end of the reacting cycle outer barrel counter is followed with described
First internal thread of the unidirectionally controlled pipe nipple of ring is spirally connected fixation.
5. reacting cycle unidirectional control device as claimed in claim 4, it is characterised in that pipe nipple bag on the interpolation type reacting cycle
Nipple body is included, the center of the upper nipple body is provided with upper pipe nipple endoporus in the axial direction, and the upper pipe nipple endoporus is three
Segmentation cylindrical hole, the epicoele aperture of the upper pipe nipple endoporus are more than the lumen aperture and cavity of resorption aperture of upper pipe nipple endoporus, institute
The cavity of resorption aperture for stating pipe nipple endoporus is more than lumen aperture, and the upper nipple body runs through its upper and lower end circumferentially arranged with multiple
Pod apertures, the axis parallel of the axial line of the pod apertures and upper pipe nipple endoporus, the upper pipe nipple endoporus is located at multiple institutes
Between stating pod apertures, the upper end of the pod apertures connects with the epicoele of upper pipe nipple endoporus.
6. reacting cycle unidirectional control device as claimed in claim 5, it is characterised in that the epicoele bottom of the upper pipe nipple endoporus
And the lower end of upper nipple body is respectively equipped with the guiding gutter of ring-type first and the guiding gutter of ring-type second, first guiding gutter, second
Guiding gutter connects with multiple pod apertures respectively, first guiding gutter, the second guiding gutter axial line respectively with it is corresponding
The axis parallel of pod apertures.
7. reacting cycle unidirectional control device as claimed in claim 6, it is characterised in that in the upper cavity wall of the upper pipe nipple endoporus
Provided with the 3rd internal thread, the outer surface lower end of the upper nipple body is provided with the second external screw thread, short on the interpolation type reacting cycle
Section is connected by the second external screw thread with the reacting cycle outer barrel upper end.
8. reacting cycle unidirectional control device as claimed in claim 7, it is characterised in that the reacting cycle inner cylinder mechanism includes tool
There is the reacting cycle inner cylinder of hollow cavity, the outer surface top of the reacting cycle inner cylinder is arranged at intervals with multiple seal grooves, each described
Sealing ring is separately installed with seal groove.
9. reacting cycle unidirectional control device as claimed in claim 8, it is characterised in that under the outer surface of the reacting cycle inner cylinder
Portion is provided with the 3rd external screw thread, and the reacting cycle inner cylinder upper end is plugged in the inner chamber bottom of pipe nipple on the interpolation type reacting cycle,
The lower end of the reacting cycle inner cylinder is spirally connected by the 3rd external screw thread and the unidirectionally controlled pipe nipple upper end of reacting cycle.
10. reacting cycle unidirectional control device as claimed in claim 9, it is characterised in that the outer surface of the reacting cycle inner cylinder
Bottom is provided with multiple cinclides.
11. reacting cycle unidirectional control device as claimed in claim 10, it is characterised in that the outer surface of the reacting cycle inner cylinder
It is arranged at intervals with multiple wiper blocks.
12. reacting cycle unidirectional control device as claimed in claim 11, it is characterised in that on the inner chamber of the reacting cycle outer barrel
End is provided with the 4th internal thread, and the outer surface lower end of the reacting cycle outer barrel is provided with the 4th external screw thread, the reacting cycle outer barrel
Fixed by the 4th internal thread and the second external thread bolt connection of the upper nipple body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720259073.1U CN206668188U (en) | 2017-03-16 | 2017-03-16 | The unidirectionally controlled pipe nipple of reacting cycle and reacting cycle unidirectional control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720259073.1U CN206668188U (en) | 2017-03-16 | 2017-03-16 | The unidirectionally controlled pipe nipple of reacting cycle and reacting cycle unidirectional control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206668188U true CN206668188U (en) | 2017-11-24 |
Family
ID=60376679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720259073.1U Active CN206668188U (en) | 2017-03-16 | 2017-03-16 | The unidirectionally controlled pipe nipple of reacting cycle and reacting cycle unidirectional control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206668188U (en) |
-
2017
- 2017-03-16 CN CN201720259073.1U patent/CN206668188U/en active Active
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