CN204176199U - Liquified natural gas oil filling riser cryogenic swivel - Google Patents
Liquified natural gas oil filling riser cryogenic swivel Download PDFInfo
- Publication number
- CN204176199U CN204176199U CN201420591810.4U CN201420591810U CN204176199U CN 204176199 U CN204176199 U CN 204176199U CN 201420591810 U CN201420591810 U CN 201420591810U CN 204176199 U CN204176199 U CN 204176199U
- Authority
- CN
- China
- Prior art keywords
- external bushing
- flange
- secure liner
- liner cover
- face
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of liquified natural gas oil filling riser cryogenic swivel, secure liner cover flange and secure liner are overlapped and are rotated external bushing flange and be all connected by bolt with rotation external bushing, gap is had between secure liner cover and rotation external bushing, the end face of secure liner cover flange has inlet hole, the gap conducting between external bushing is overlapped and rotated to inlet hole and secure liner, the circumference of rotation external bushing has and rotates external bushing air outlet hole, the gap conducting between external bushing is overlapped and rotated to rotation external bushing air outlet hole and secure liner, the end face of rotation external bushing flange has and rotates external bushing flange air outlet hole, rotate external bushing flange air outlet hole and rotate the conducting of external bushing air outlet hole, the outer circumferential face of rotation external bushing has screw, the annular groove conducting arc with cross section of screw, plug screw is provided with in screw, the utility model processing is simple, easy accessibility.
Description
Technical field
The utility model belongs to rock gas oil filling riser conveying technology field, particularly a kind of liquified natural gas oil filling riser cryogenic swivel.
Background technique
For transmitting turning to and the action such as folding of liquid natural feed channel when liquified natural gas oil filling riser cryogenic swivel mainly loads and unloads liquified natural gas.In prior art, secure liner cover adopts inner ring annular cavity structure, and as shown in Figure 1, difficulty of processing is large, the easily distortion of secure liner cover, and needs the first plug screw and the second plug screw dismounting two row steel ball when changing nitrogen-sealed circle, increases work difficulty and intensity.
Model utility content
The purpose of this utility model is to provide a kind of easily processing, easy accessibility and liquified natural gas oil filling riser cryogenic swivel easy to carry.
The technical solution realizing the utility model object is:
A kind of liquified natural gas oil filling riser cryogenic swivel, comprises secure liner cover flange, secure liner cover, rotates external bushing and rotate external bushing flange, the end face of secure liner cover flange is fixedly connected with the end face that secure liner is overlapped, the inwall that secure liner cover flange and secure liner overlap contact jaw has circular groove, O-ring seal is provided with in circular groove, the end face rotating external bushing flange is fixedly connected with the end face rotating external bushing, secure liner cover is socketed with rotation external bushing gap and coordinates, the position that the outer circumferential face of secure liner cover is corresponding with the inner peripheral surface rotating external bushing is provided with annular groove, the cross section of annular groove is arc, arc arc is less than semicircle, steel ball is provided with in two sections of arc regions surrounded, bonded to each other between steel ball, the end face that secure liner cover contacts with rotation external bushing flange staggers respectively and is provided with circular groove, O-ring seal is provided with in circular groove, the end face of secure liner cover flange has inlet hole, the gap conducting between external bushing is overlapped and rotated to inlet hole and secure liner, annular gas seal circle is provided with between secure liner cover flange outside inlet hole and rotation external bushing, the circumference of rotation external bushing has and rotates external bushing air outlet hole, the gap conducting between external bushing is overlapped and rotated to rotation external bushing air outlet hole and secure liner, the end face of rotation external bushing flange has and rotates external bushing flange air outlet hole, rotate external bushing flange air outlet hole and rotate the conducting of external bushing air outlet hole, the rotation external bushing rotating external bushing flange air outlet hole both sides and the contacting point rotating external bushing flange are provided with O-ring seal, the outer circumferential face of rotation external bushing has screw, the annular groove conducting arc with cross section of screw, and the diameter of screw is greater than the diameter of steel ball, plug screw is provided with in screw.
The utility model compared with prior art, its remarkable advantage:
(1) the utility model liquified natural gas oil filling riser cryogenic swivel, secure liner cover flange overlaps with secure liner and adopts screw to be connected, and changes nitrogen-sealed circle when not dismantling steel ball by dismounting secure liner cover flange.
(2) the utility model liquified natural gas oil filling riser cryogenic swivel, inlet hole and rotation external bushing air outlet hole are directly communicated with secure liner cover and the gap rotated between external bushing, gap is made to be full of nitrogen, fully take away the cryogenic energy produced in handling liquified natural gas process, save original inner chamber.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing liquified natural gas oil filling riser cryogenic swivel.
Fig. 2 is the structural representation of the utility model liquified natural gas oil filling riser cryogenic swivel.
Embodiment
Composition graphs 2:
A kind of liquified natural gas oil filling riser of the utility model cryogenic swivel, comprises secure liner cover flange 1, secure liner cover 2, rotates external bushing 3 and rotate external bushing flange 4, the end face of secure liner cover flange 1 is fixedly connected with the end face that secure liner overlaps 2, the inwall that secure liner cover flange 1 and secure liner overlap 2 contact jaws has circular groove, O-ring seal is provided with in circular groove, the end face rotating external bushing flange 4 is fixedly connected with the end face rotating external bushing 3, secure liner cover 2 is socketed with rotation external bushing 3 gap and coordinates, the position that the outer circumferential face of secure liner cover 2 is corresponding with the inner peripheral surface rotating external bushing 3 is provided with annular groove, the cross section of annular groove is arc, arc arc is less than semicircle, steel ball is provided with in two sections of arc regions surrounded, bonded to each other between steel ball, the end face that secure liner cover 2 contacts with rotation external bushing flange 4 staggers respectively and is provided with circular groove, O-ring seal is provided with in circular groove, the end face of secure liner cover flange 1 has inlet hole 5, the gap conducting that inlet hole 5 and secure liner are overlapped 2 and rotated between external bushing 3, annular gas seal circle is provided with between secure liner cover flange 1 outside inlet hole 5 and rotation external bushing 3, the circumference of rotation external bushing 3 has and rotates external bushing air outlet hole 6, the gap conducting that rotation external bushing air outlet hole 6 and secure liner are overlapped 2 and rotated between external bushing 3, the end face of rotation external bushing flange 4 has and rotates external bushing flange air outlet hole 7, rotate external bushing flange air outlet hole 7 and rotate the conducting of external bushing air outlet hole 6, the rotation external bushing 3 rotating external bushing flange air outlet hole 7 both sides and the contacting point rotating external bushing flange 4 are provided with O-ring seal, the outer circumferential face of rotation external bushing 3 has screw, the annular groove conducting arc with cross section of screw, and the diameter of screw is greater than the diameter of steel ball, plug screw 8 is provided with in screw.
Cross section is that arc annular groove is provided with two.
Secure liner cover flange 1 and secure liner overlaps 2 and rotates external bushing flange 4 and rotation external bushing 3 is all connected by screw.
Seal ring all adopts teflon or rubber material.
Embodiment:
Composition graphs 2:
A kind of liquified natural gas oil filling riser cryogenic swivel, comprises secure liner cover flange 1, secure liner cover 2, rotates external bushing 3 and rotate external bushing flange 4, the end face of secure liner cover flange 1 is fixedly connected with the end face that secure liner overlaps 2, the inwall that secure liner cover flange 1 and secure liner overlap 2 contact jaws has circular groove, O-ring seal is provided with in circular groove, the end face rotating external bushing flange 4 is fixedly connected with the end face rotating external bushing 3, secure liner cover 2 is socketed with rotation external bushing 3 gap and coordinates, the position that the outer circumferential face of secure liner cover 2 is corresponding with the inner peripheral surface rotating external bushing 3 is provided with two annular grooves, the cross section of annular groove is arc, arc arc is less than semicircle, steel ball is provided with in two sections of arc regions surrounded, bonded to each other between steel ball, the end face that secure liner cover 2 contacts with rotation external bushing flange 4 staggers respectively and is provided with circular groove, O-ring seal is provided with in circular groove, the end face of secure liner cover flange 1 has inlet hole 5, the gap conducting that inlet hole 5 and secure liner are overlapped 2 and rotated between external bushing 3, annular gas seal circle is provided with between secure liner cover flange 1 outside inlet hole 5 and rotation external bushing 3, the circumference of rotation external bushing 3 has and rotates external bushing air outlet hole 6, the gap conducting that rotation external bushing air outlet hole 6 and secure liner are overlapped 2 and rotated between external bushing 3, the end face of rotation external bushing flange 4 has and rotates external bushing flange air outlet hole 7, rotate external bushing flange air outlet hole 7 and rotate the conducting of external bushing air outlet hole 6, the rotation external bushing 3 rotating external bushing flange air outlet hole 7 both sides and the contacting point rotating external bushing flange 4 are provided with O-ring seal, the outer circumferential face of rotation external bushing 3 has screw, the annular groove conducting arc with cross section of screw, and the diameter of screw is greater than the diameter of steel ball, plug screw 8 is provided with in screw, wherein, secure liner cover flange 1 and secure liner overlaps 2 and rotates external bushing flange 4 and rotation external bushing 3 is all connected by screw, seal ring all adopts polytetrafluoroethylmaterial material.
Claims (4)
1. a liquified natural gas oil filling riser cryogenic swivel, is characterized in that: comprise secure liner cover flange (1), secure liner cover (2), rotate external bushing (3) and rotate external bushing flange (4), the end face of secure liner cover flange (1) is fixedly connected with the end face of secure liner cover (2), secure liner cover flange (1) and the inwall of secure liner cover (2) contact jaw have circular groove, O-ring seal is provided with in circular groove, the end face rotating external bushing flange (4) is fixedly connected with the end face rotating external bushing (3), secure liner cover (2) is socketed with rotation external bushing (3) gap and coordinates, the position that the outer circumferential face of secure liner cover (2) is corresponding with the inner peripheral surface rotating external bushing (3) is provided with annular groove, the cross section of annular groove is arc, arc arc is less than semicircle, steel ball is provided with in two sections of arc regions surrounded, bonded to each other between steel ball, the end face that secure liner cover (2) contacts with rotation external bushing flange (4) staggers respectively and is provided with circular groove, O-ring seal is provided with in circular groove, the end face of secure liner cover flange (1) has inlet hole (5), inlet hole (5) and secure liner cover (2) and the gap conducting rotated between external bushing (3), the gas seal circle of annular is provided with between secure liner cover flange (1) in inlet hole (5) outside and rotation external bushing (3), the circumference of rotation external bushing (3) has and rotates external bushing air outlet hole (6), rotate external bushing air outlet hole (6) and secure liner cover (2) and the gap conducting that rotates between external bushing (3), the end face of rotation external bushing flange (4) has and rotates external bushing flange air outlet hole (7), rotate external bushing flange air outlet hole (7) and rotate external bushing air outlet hole (6) conducting, the rotation external bushing (3) rotating external bushing flange air outlet hole (7) both sides and the contacting point rotating external bushing flange (4) are provided with O-ring seal, the outer circumferential face of rotation external bushing (3) has screw, the annular groove conducting arc with cross section of screw, and the diameter of screw is greater than the diameter of steel ball, plug screw (8) is provided with in screw.
2. liquified natural gas oil filling riser cryogenic swivel according to claim 1, is characterized in that: described cross section is that arc annular groove is provided with two.
3. liquified natural gas oil filling riser cryogenic swivel according to claim 1, is characterized in that: described secure liner is overlapped flange (1) and secure liner cover (2) and rotated external bushing flange (4) and is all connected by screw with rotation external bushing (3).
4. liquified natural gas oil filling riser cryogenic swivel according to claim 1, is characterized in that: described seal ring all adopts teflon or rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420591810.4U CN204176199U (en) | 2014-10-13 | 2014-10-13 | Liquified natural gas oil filling riser cryogenic swivel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420591810.4U CN204176199U (en) | 2014-10-13 | 2014-10-13 | Liquified natural gas oil filling riser cryogenic swivel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204176199U true CN204176199U (en) | 2015-02-25 |
Family
ID=52565009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420591810.4U Active CN204176199U (en) | 2014-10-13 | 2014-10-13 | Liquified natural gas oil filling riser cryogenic swivel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204176199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015183164A1 (en) * | 2014-05-28 | 2015-12-03 | Indexator Rotator Systems Ab | Swivel device |
-
2014
- 2014-10-13 CN CN201420591810.4U patent/CN204176199U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015183164A1 (en) * | 2014-05-28 | 2015-12-03 | Indexator Rotator Systems Ab | Swivel device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204176199U (en) | Liquified natural gas oil filling riser cryogenic swivel | |
| CN204141111U (en) | A kind of liquified natural gas oil filling riser cryogenic swivel | |
| CN202493823U (en) | Movable flange type spherical rotary joint | |
| CN203756976U (en) | Novel ultrahigh-pressure plug self-sealing device | |
| CN205013918U (en) | High rotational speed rotary joint of single channel high pressure | |
| CN203880275U (en) | Large-diameter hubbed flange | |
| CN204564213U (en) | Hydro cone-crusher mantle liner plate hold-down mechanism | |
| CN203674930U (en) | Drill jig for motor support end cap | |
| CN202598556U (en) | Slag inlet sealing device for slag cooler | |
| CN203797181U (en) | Rotary type rapidly-clamping gas charging connector for sealed insulating glass unit | |
| CN204437280U (en) | Bellows shaped by fluid pressure seal arrangement | |
| CN206415822U (en) | A kind of semicircle multi-point support turns round aligning device | |
| CN204533913U (en) | Zero leakage swivel joint | |
| CN203686444U (en) | Positioning connector of bottle head valve | |
| CN204672353U (en) | A kind of feed inlet sealing device of ball mill | |
| CN202118417U (en) | 45-degree-buckling hose connector with screw nut | |
| CN202507226U (en) | Press-fitting tool for hub floating oil seal of engineering machine | |
| CN203960130U (en) | Waste rubber cracking still feeding unit | |
| CN204327961U (en) | A kind of sealing configuration of pressurized container | |
| CN204253430U (en) | A kind of mechanical seal structure | |
| CN202824805U (en) | Hoisting structure of edge milling machine for back chipping of circular seam | |
| CN204201333U (en) | Hollow graphite electrode connects black box | |
| CN204025669U (en) | A kind of novel sealing structure | |
| CN203948455U (en) | The bearing of energy its axle center line position | |
| CN203477321U (en) | Mechanical seal assembly convenient to disassemble |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |