CN108413147A - Prevent nut from moving back wire form pipeline opening interface assembly and its water knockout drum - Google Patents
Prevent nut from moving back wire form pipeline opening interface assembly and its water knockout drum Download PDFInfo
- Publication number
- CN108413147A CN108413147A CN201810437999.4A CN201810437999A CN108413147A CN 108413147 A CN108413147 A CN 108413147A CN 201810437999 A CN201810437999 A CN 201810437999A CN 108413147 A CN108413147 A CN 108413147A
- Authority
- CN
- China
- Prior art keywords
- nut
- pipeline opening
- shell ring
- moving back
- interface assembly
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000003405 preventing effect Effects 0.000 claims abstract description 15
- 210000003781 tooth socket Anatomy 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 16
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000003464 cuspid Anatomy 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0212—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/284—Locking by means of elastic deformation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0231—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member with specially adapted means for positioning the threaded member behind the collar
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/06—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends
- F16L19/065—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends the wedging action being effected by means of a ring
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses one kind to prevent nut from moving back wire form pipeline opening interface assembly and its water knockout drum, its prevent nut move back wire form pipeline opening interface assembly include both ends be inserted into respectively in two pipeline openings to be connected pipeline opening connector, be set to the nut for waiting for that the external application of connecting tube road junction keeps hooked state in the shell ring that will wait for the sealing of connecting tube road junction and pipeline opening connector clip and being set to for squeezing shell ring outside shell ring, the backing stop structure to cooperate for preventing nut from moving back silk is provided between the nut and shell ring.The backing stop structure to cooperate for preventing nut from moving back silk is provided between nut and shell ring, sealing effect is good and is kept for the excellent sealing effect time long, can reduce the repair rate of pipeline opening interface.
Description
Technical field
The present invention relates to a kind of pipe joint and its water knockout drum, more particularly to one kind prevents nut from moving back wire form pipeline opening interface
Assembly and its water knockout drum.
Background technology
Pipe joint plays an important role in pipe-line system, and pipe-line system leak is mainly interface leak, interface
It is water-tight, the leakproof of pipe-line system work just succeeded it is a greater part of, so at pipe joint whether leak in pipe-line system very
It is crucial.Pipe joint in the prior art, leak at pipe joint in order to prevent, using technologies such as sealing rings, leak preventing effect compared with
Difference；The prior art always has pipe joint using lock nut banding shell ring come sealing pipeline interface, and sealing effect is fine, but
Nut using process vibration etc. it is other due to can voluntarily move back silk and loosen, lost about by the shell ring of nut banding at this time
Beam can lead to leak, the result is that sealing effect is fine after this pipe joint is just installed, but over time, nut
It moves back silk and loosens the leakproofness that will largely effect on interface, thus its interface needs often maintenance, this problem being stranded always
HVAC industry etc. is disturbed to need to use the industry of pipe joint.
For example, Fig. 5 be a kind of pipe joint in the prior art, be between nut 3a and shell ring 2a by with axial direction
Taper-face contact at an angle squeezes to realize shell ring banding pipeline opening 1a, is loosened a bit as long as nut 3a moves back silk, clip
The gripping effect of ring 2a will be affected.
Therefore, it is necessary to improve to solve the above technical problems the prior art.
Invention content
In view of this, the purpose of the present invention is to provide one kind to prevent nut from moving back wire form pipeline opening interface assembly and its divide water
Device can voluntarily move back drainage caused by silk loosens using process, it is possible to reduce inspection to avoid nut due to vibration etc.
The frequency repaiied.It is realized in particular by following technical scheme：
The present invention's prevents nut from moving back wire form pipeline opening interface assembly, including two pipelines to be connected are inserted at both ends respectively
Pipeline opening connector in mouthful is set to and waits for the external application of connecting tube road junction in will wait for that connecting tube road junction and pipeline opening connector clip are close
The shell ring of envelope and be set to the nut for keeping hooked state outside shell ring for squeezing shell ring, the nut and shell ring it
Between be provided with the backing stop structure for preventing nut from moving back silk of cooperating.
Further, it is provided between the pipeline opening connector and at least one pipeline opening to be connected for preventing
Pipeline opening connector have mercy on its own axis rotation location structure.
Further, the mutual cooperation that is provided on one side of rear end and shell ring close to nut rear end is in canine tooth in the nut
The latch and tooth socket that shape interlocks are to form the backing stop structure.
Further, the bulge loop for preventing shell ring from being slided along its axis, bulge loop are provided on the inner wall of the shell ring
Axis of the place plane perpendicular to shell ring.
Further, the groove for preventing the shell ring from being rotated around its own axis is provided on the bulge loop.
Further, the shell ring is the elastic card garter spring of middle opening.
Further, the shell ring edge and the nut are internally provided with the falling to tight condition transition convenient for nut
The latch or tooth socket is arranged in chamfering in angle.
Further, it is contacted for face between the inner wall of the nut and the outer wall of shell ring and contact surface is parallel to and waits for connecting tube
The axis at road junction.
Further, it the pipeline opening connector and waits for being provided with sealing ring between connecting tube road junction.
Further, it is provided on the pipeline opening connector outer wall and facilitates insertion into the guiding inclination angle for waiting for connecting tube road junction.
The invention also discloses a kind of water knockout drum of setting pipeline opening interface, the pipelines of the water knockout drum and other pipelines
Mouthful interface prevents from nut from moving back wire form pipeline opening interface assembly being attached using above-mentioned.
Beneficial effects of the present invention：The present invention's prevents nut from moving back wire form pipeline opening interface assembly and its water knockout drum, nut
The backing stop structure to cooperate for preventing nut from moving back silk is provided between shell ring, sealing effect is good and keeps good close
The envelope effect time is long, can reduce the repair rate of pipeline opening interface；Other advantageous effects of the present invention will combine lower stationery
Body embodiment is further detailed.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the cross section structure schematic diagram of the present invention；
Fig. 2 is the enlarged structure schematic diagram of inventive pipeline mouth connector；
Fig. 3 is the enlarged structure schematic diagram of shell ring of the present invention；
Fig. 4 is the enlarged structure schematic diagram of nut of the present invention；
Fig. 5 is pipe joint assembly structure schematic diagram in the prior art
Specific implementation mode
Fig. 1 is the cross section structure schematic diagram of the present invention, and Fig. 2 is the enlarged structure schematic diagram of inventive pipeline mouth connector,
Fig. 3 is the enlarged structure schematic diagram of shell ring of the present invention, and Fig. 4 is the enlarged structure schematic diagram of nut of the present invention；As shown in the figure：This
Prevent nut from moving back wire form pipeline opening interface assembly in embodiment, including both ends are inserted into wait for connecting tube road junction I 1 and pipeline opening respectively
Pipeline opening connector 7 in II 6 is set to and waits for outside connecting tube road junction I 1 for that will wait for connecting tube road junction I 1 and pipeline opening connector
The shell ring 2 of 7 clips sealing keeps the nut 3 of hooked state with being set to for squeezing shell ring 2 outside shell ring 2, nut 3
Inner wall is threaded 3-3 and forms screw thread pair, the nut 3 with the screw thread (not indicated in figure) being arranged on the outer wall of pipeline opening II 6
It is provided with the backing stop structure to cooperate for preventing nut from moving back silk between shell ring 2, may be used in Examples below
Backing stop structure can also use and increase the structure that spring washer, setting axis pin pin hole etc. prevent nut from moving back silk in the prior art,
It can achieve the object of the present invention.
As shown in Figure 1, when connecting tube road junction I 1 is with pipeline opening II 6, the right end of pipeline opening connector 7 is inserted into pipeline opening II 6,
Left end is inserted into pipeline opening I 1, and rotary nut 3, which moves right, squeezes the completion connection of 2 banding pipeline opening I 1 of shell ring, and seals effect
Fruit is good.
In the present embodiment, it is arranged between the pipeline opening connector 7 and at least one pipeline opening to be connected useful
In prevent pipeline opening connector have mercy on its own axis rotation location structure.It could be provided as shown in Fig. 2, being connected in pipeline opening
The end set positioning protrusion 7-3 of part 7, in the setting of corresponding pipeline opening and the matched positioning grooves of positioning protrusion 7-3, certainly
Positioning protrusion can be set in corresponding pipeline opening in the end set positioning groove of pipeline opening connector 7；It can also be in pipeline
The structure realization of the similar spline of setting prevents pipeline opening connector its own axis of having mercy on from rotating between mouthful connector 7 and pipeline opening.
Prevent pipeline opening connector have mercy on its own axis rotation, since pipeline opening connector is relatively unrotatable, pipeline and pipeline
Mouth connecting member deformation connection, it is difficult to relatively rotate, shell ring is connect with pipe deforming, it is difficult to relatively rotate, nut and shell ring
Sealed by sagittal plane, there is prodigious frictional force, it is difficult to rotate, therefore the nut in the present embodiment have further prevent moving back silk
Effect.
In the present embodiment, rear end and shell ring 2 are provided with mutual cooperation on one side close to nut rear end in the nut 3
In toothlike latch and tooth socket staggeredly to form the backing stop structure；Latch 3-2 can be set for rear end in nut 3, in card
Tooth socket 2-3 of the garter spring 2 close to the setting on one side and latch 3-2 cooperations of nut rear end, naturally it is also possible to which tooth is set in nut 3
Latch is arranged in slot on shell ring 2, can achieve the object of the present invention；Refer to the direction that silk is moved back when nut loosens afterwards, i.e., in figure
Left.The extruding relationship of nut 3 and shell ring 2 is not interfered when backing stop structure rotary nut 3 in the present embodiment, waits for nut
3 when tightening completely, and latch and tooth socket cooperatively form backing stop structure automatically, easy to operate, and retaining effect is good.
In the present embodiment, the bulge loop for preventing shell ring from being slided along its axis is provided on the inner wall of the shell ring 2
2-4, axis of the plane perpendicular to shell ring 2 where bulge loop 2-4.It prevents shell ring from sliding, influences sealing effect.
In the present embodiment, it is provided on the bulge loop 2-4 recessed for preventing the shell ring 2 from rotating around its own axis
Slot.It prevents shell ring from rotating, influences sealing effect.
In the present embodiment, the shell ring 2 is the elastic card garter spring that centre is provided with opening 2-1, and be open 2-1 and shell ring
It is tilted at an angle between 2 axis；Certain shell ring 2 may be set to be the adjustable other structures of perimeter, such as in ring
Junction setting sliding bar etc., concrete structure is the prior art, and details are not described herein again.It is provided with the elastic card garter spring of opening
It is easy to operate, easy to disassemble, and the extruding degree of shell ring and nut can be increased, increase the frictional resistance that nut moves back silk.
In the present embodiment, 2 edge of the shell ring is provided with chamfering, and the card slot 2-3, the nut 3 are arranged in chamfering
It is internally provided with the chamfering (not indicated in figure) with chamfering 2-3 cooperations.With shell ring 2 when preventing nut 3 from being tightened to anticlockwise
Side is stuck, can not work.
In the present embodiment, is contacted for face between the inner wall 3-1 and the outer wall of shell ring 2 of the nut 3 and contact surface is parallel
In the axis for waiting for connecting tube road junction I 1；It can certainly card selective or that same structure is set outside pipeline opening II 6 simultaneously
The face that garter spring is formed in parallel with pipeline opening II 6 with nut inner wall contacts, and can achieve the object of the present invention.When backing stop structure fails
When the loosening of Shi Zaocheng nuts is moved back thread to the left, is contacted for face between the inner wall and the outer wall of shell ring 2 of nut 3 and contact surface is parallel
In the axis for waiting for connecting tube road junction I 1, nut 3 is still squeezing 2 banding pipeline opening I 1 of shell ring, and sealing effect is not completely by shadow
It rings, only when nut 3 seriously moves back silk to the left completely disengages shell ring 2 to its inner wall 3-1, shell ring 2, which can just loosen, to be caused to leak
Water.
In the present embodiment, the pipeline opening connector 7 and wait for being provided with sealing ring 4, sealing ring between connecting tube road junction II 6
In the 4 seal groove 7-2 being arranged on pipeline opening connector 7, certain pipeline opening connector 7 and wait for also may be used between connecting tube road junction I 1
Sealing ring (not indicated in figure) is arranged.Enhance sealing effect.
In the present embodiment, it is provided with to facilitate insertion on 7 outer wall of pipeline opening connector and waits for that the guiding at connecting tube road junction is inclined
Angle 7-1.Convenient for grafting.
The invention also discloses a kind of water knockout drum 5 of setting pipeline opening interface, the pipes of the water knockout drum and other pipelines
Road junction interface prevents from nut from moving back wire form pipeline opening interface assembly being attached using above-mentioned, as shown in Figure 1, can will be in figure
Pipeline opening II 6 is arranged on water knockout drum 5, and pipeline opening I 1 is as the pipeline opening being connect with water knockout drum 5.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (10)
1. one kind prevents nut from moving back wire form pipeline opening interface assembly, it is characterised in that：It is inserted into be connected two respectively including both ends
Pipeline opening connector in a pipeline opening is set to and waits for the external application of connecting tube road junction in will wait for connecting tube road junction and pipeline opening connector
The shell ring and be set to the nut for keeping hooked state outside shell ring for squeezing shell ring, the nut and card that clip seals
The backing stop structure to cooperate for preventing nut from moving back silk is provided between garter spring；Rear end and shell ring are close in the nut
Being provided on one side for nut rear end cooperates in toothlike latch and tooth socket staggeredly to form the backing stop structure.
2. according to claim 1 prevent nut from moving back wire form pipeline opening interface assembly, it is characterised in that：The pipeline opening connects
Be provided between fitting and at least one pipeline opening to be connected for prevent pipeline opening connector have mercy on its own axis rotation
The location structure turned.
3. according to claim 2 prevent nut from moving back wire form pipeline opening interface assembly, it is characterised in that：The shell ring
The bulge loop for preventing shell ring from being slided along its axis is provided on inner wall, axis of the plane perpendicular to shell ring where bulge loop.
4. according to claim 3 prevent nut from moving back wire form pipeline opening interface assembly, it is characterised in that：It is set on the bulge loop
It is equipped with the groove for preventing the shell ring from being rotated around its own axis.
5. according to claim 4 prevent nut from moving back wire form pipeline opening interface assembly, it is characterised in that：The shell ring is
The elastic card garter spring of middle opening.
6. according to claim 5 prevent nut from moving back wire form pipeline opening interface assembly, it is characterised in that：The shell ring side
Edge and the nut are internally provided with the chamfering to tight condition transition convenient for nut, and the latch or tooth socket is arranged in chamfering.
7. according to any claim from 1 to 6 prevent nut from moving back wire form pipeline opening interface assembly, feature exists
In：It is contacted for face between the inner wall of the nut and the outer wall of shell ring and contact surface is parallel to the axis for waiting for connecting tube road junction.
8. according to claim 7 prevent nut from moving back wire form pipeline opening interface assembly, it is characterised in that：The pipeline opening connects
It fitting and waits for being provided with sealing ring between connecting tube road junction.
9. according to claim 8 prevent nut from moving back wire form pipeline opening interface assembly, it is characterised in that：The pipeline opening connects
It is provided on fitting outer wall and facilitates insertion into the guiding inclination angle for waiting for connecting tube road junction.
10. a kind of water knockout drum of setting pipeline opening interface, it is characterised in that：The pipeline opening of the water knockout drum and other pipelines connects
It mouthful prevents from nut from moving back wire form pipeline opening interface assembly being attached using described in claim 1-9 any claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810437999.4A CN108413147A (en) | 2018-05-09 | 2018-05-09 | Prevent nut from moving back wire form pipeline opening interface assembly and its water knockout drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810437999.4A CN108413147A (en) | 2018-05-09 | 2018-05-09 | Prevent nut from moving back wire form pipeline opening interface assembly and its water knockout drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108413147A true CN108413147A (en) | 2018-08-17 |
Family
ID=63138294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810437999.4A Pending CN108413147A (en) | 2018-05-09 | 2018-05-09 | Prevent nut from moving back wire form pipeline opening interface assembly and its water knockout drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108413147A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952968A (en) * | 2019-12-30 | 2020-04-03 | 西南石油大学 | High fatigue life type superhigh pressure fracturing union connects |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998001695A1 (en) * | 1996-07-10 | 1998-01-15 | Kang Hoon Park | Synthetic resin hose connecting means |
| JPH1137361A (en) * | 1997-07-16 | 1999-02-12 | Uetsukusu:Kk | Pipe joint |
| EP1020675A1 (en) * | 1999-01-11 | 2000-07-19 | F. X. Bachmann AG | Method and device for fastening a pipe to a member |
| JP2007198542A (en) * | 2006-01-27 | 2007-08-09 | Sekisui Chem Co Ltd | Tube fitting |
| CN101520114A (en) * | 2009-04-07 | 2009-09-02 | 玉环弗兰克铜阀管件有限公司 | Connecting device of pipelines |
| JP2011007267A (en) * | 2009-06-25 | 2011-01-13 | Piolax Inc | Pipe joint with hose retaining mechanism |
| JP2015068447A (en) * | 2013-09-30 | 2015-04-13 | 日立金属株式会社 | Pipe joint |
| CN208204250U (en) * | 2018-05-09 | 2018-12-07 | 郑州博容节能设备有限公司 | Retaining wire form pipeline opening interface and its water segregator |
-
2018
- 2018-05-09 CN CN201810437999.4A patent/CN108413147A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998001695A1 (en) * | 1996-07-10 | 1998-01-15 | Kang Hoon Park | Synthetic resin hose connecting means |
| JPH1137361A (en) * | 1997-07-16 | 1999-02-12 | Uetsukusu:Kk | Pipe joint |
| EP1020675A1 (en) * | 1999-01-11 | 2000-07-19 | F. X. Bachmann AG | Method and device for fastening a pipe to a member |
| JP2007198542A (en) * | 2006-01-27 | 2007-08-09 | Sekisui Chem Co Ltd | Tube fitting |
| CN101520114A (en) * | 2009-04-07 | 2009-09-02 | 玉环弗兰克铜阀管件有限公司 | Connecting device of pipelines |
| JP2011007267A (en) * | 2009-06-25 | 2011-01-13 | Piolax Inc | Pipe joint with hose retaining mechanism |
| JP2015068447A (en) * | 2013-09-30 | 2015-04-13 | 日立金属株式会社 | Pipe joint |
| CN208204250U (en) * | 2018-05-09 | 2018-12-07 | 郑州博容节能设备有限公司 | Retaining wire form pipeline opening interface and its water segregator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952968A (en) * | 2019-12-30 | 2020-04-03 | 西南石油大学 | High fatigue life type superhigh pressure fracturing union connects |
| CN110952968B (en) * | 2019-12-30 | 2022-01-28 | 西南石油大学 | High fatigue life type superhigh pressure fracturing union connects |
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