CN103629464A - Connector for cryogenic liquid filling - Google Patents

Connector for cryogenic liquid filling Download PDF

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Publication number
CN103629464A
CN103629464A CN201210307919.6A CN201210307919A CN103629464A CN 103629464 A CN103629464 A CN 103629464A CN 201210307919 A CN201210307919 A CN 201210307919A CN 103629464 A CN103629464 A CN 103629464A
Authority
CN
China
Prior art keywords
connector
shell
annular
handle
outside
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
Application number
CN201210307919.6A
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Chinese (zh)
Inventor
杨俊恒
唐强
王立
范虹
赵海
张振华
王爱伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Academy of Launch Vehicle Technology CALT
Beijing Institute of Space Launch Technology
Original Assignee
China Academy of Launch Vehicle Technology CALT
Beijing Institute of Space Launch Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Academy of Launch Vehicle Technology CALT, Beijing Institute of Space Launch Technology filed Critical China Academy of Launch Vehicle Technology CALT
Priority to CN201210307919.6A priority Critical patent/CN103629464A/en
Publication of CN103629464A publication Critical patent/CN103629464A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/08Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/08Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • F16L37/20Joints tightened by toggle-action levers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C5/00Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/02Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
    • F17C5/04Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases requiring the use of refrigeration, e.g. filling with helium or hydrogen

Abstract

The invention belongs to the technical field of cryogenic liquid filling, in particular to a connector for cryogenic liquid filling. The connector comprises a connector body, a connector shell arranged outside the left section of the connector body in a sleeved mode, and a connector locking mechanism arranged outside the left section of the connector shell in a sleeved mode, the right end portion of a connector transmission structure is arranged outside the right section of the connector body in a sleeved mode, the connector shell is sleeved with the middle section of the connector transmission structure, and the left end portion of the connector transmission structure is embedded in the connector locking mechanism. The connector for cryogenic liquid filling is simple in structure and convenient to operate, the needed action space is small, and the reliability of cryogenic liquid filling is improved.

Description

A kind of connector for charging liquid at low-temperature
Technical field
The invention belongs to Cryogenic Filling technical field, be specifically related to a kind of connector that is applied in liquid nitrogen, liquid oxygen, low wet oxygen or liquid argon filling.
Background technique
Cryogenic connector is applied to cryogenic loading system, and realize Cryogenic Filling pipeline and connect fast, safe transport cryogenic liquide is higher to the structure of connector itself, sealing requirements.At present, existing heavy caliber cryogenic loading system adopts the connector of end face seal more, and the required sealing load of sealing surface is large, need to assist afterburning equipment as increased pneumostop hold down gag during operation; The locking mechanism of existing end face seal connector adopts jack catchs type more, and jack catchs type locking mechanism requires motion space large, for requiring little occasion inapplicable in operating space.
Summary of the invention
The object of the present invention is to provide a kind of connector for charging liquid at low-temperature, this connector construction is simple, easy to operate, needs motion space little, improves the reliability of charging liquid at low-temperature.
Realize the technological scheme of the object of the invention: a kind of connector for charging liquid at low-temperature, it comprises connector body, be enclosed within left section of outer connector shell of connector body, be enclosed within left section of outer connector locking mechanism of connector shell, the right part of connector drive mechanism is enclosed within outside right section of connector body, it is external that the intermediate section of connector drive mechanism is enclosed within connector case, and the left part section of connector drive mechanism is embedded in connector locking mechanism.
The left end of described connector body is embedded with connector sealing structure outward.
The right-hand member of described connector body is provided with annular boss, and the outside of annular boss is along being circumferentially with annular groove, and connector driving mechanism is embedded in annular groove.
The right-hand member of described connector shell is outside along being circumferentially with annular boss, and the edge, outside of annular boss is circumferentially with annular groove, and connector driving mechanism is embedded in annular groove; Connector shell intermediary outside is along being circumferentially with annular boss, and annular boss is outside, and along being circumferentially with annular snap ring recess, annular snap ring recess is embedded with annular collar, and the outer ring of annular collar contacts with the right side of connector locking mechanism; In the left end of connector shell, be provided with endoporus, left section of portion of connector locking mechanism is embedded in this endoporus.
Described connector drive mechanism comprises housing coupling shaft, housing connecting plate, driving spring, shackle rod, limited ring, is connected and fixed plate, handle drive block, two basic body coupling shafts, handle ring, minor axis, handle shaft, handle bent plate, and handle bent plate and handle ring form operating grip; Operating grip is connected with handle drive block by handle shaft, and operating grip is connected with housing connecting plate by minor axis; Handle drive block by body coupling shaft be connected and fixed plate and be connected; Shackle rod is fixed on and is connected and fixed on plate;
Described is connected and fixed sleeve-board outside the annular boss of connector body right-hand member, in the annular groove that is stuck in connector body of body coupling shaft.
Described housing connecting plate is enclosed within outside the right-hand member annular boss of connector shell, and connector drive mechanism is stuck in by body coupling shaft in the right annular groove of connector shell, and one end of driving spring contacts with the right side of the annular boss of connector shell.
Described connector locking mechanism comprises shell, transmission pressure ring, counterbalance spring, pressing plate, check lock lever, little spring, is provided with transmission pressure ring in shell, and check lock lever is connected with pressing plate; Between pressing plate and transmission pressure ring, be provided with counterbalance spring, in the endoporus that is plugged on connector shell left end of check lock lever; Little spring is enclosed between check lock lever and connector shell endoporus; The right flank of transmission pressure ring contacts with the left surface of the collar of connector shell.
Useful technique effect of the present invention is: this connector construction is simple compact, easy and simple to handle, and commercialization is easy to realize.In actual operating mode, this connector has been taken into account low temperature, quick operating feature, increases charging liquid at low-temperature process reliability, and in operating process, operation easier obviously reduces, connecting external diameter requirement space obviously reduces.
Accompanying drawing explanation
Accompanying drawing 1 is the three-dimensional structure schematic diagram of a kind of connector for charging liquid at low-temperature provided by the present invention;
Accompanying drawing 2 is the two-dimentional cross-sectional schematic of connector body provided by the present invention and sealing;
The two-dimentional cross-sectional schematic that accompanying drawing 3 is connector shell provided by the present invention;
Accompanying drawing 4 measures intention for the three-dimensional axle of connector shell provided by the present invention;
Accompanying drawing 5 is the three-dimensional structure schematic diagram of connector drive mechanism provided by the present invention;
Accompanying drawing 6 is the three-dimensional partial schematic sectional view of connector drive mechanism provided by the present invention;
The three-dimensional structure schematic diagram that accompanying drawing 7 is connector locking mechanism provided by the present invention;
The three-dimensional structure schematic diagram that accompanying drawing 8 is attachment unit interface;
Accompanying drawing 9 is the two-dimentional cross-sectional schematic of a kind of connector for charging liquid at low-temperature provided by the present invention;
The locking state schematic diagram of accompanying drawing 10 a kind of connector for charging liquid at low-temperature provided by the present invention and interface;
Accompanying drawing 11 is connector handle position figure provided by the present invention.
In figure:
1, connector body, 101. body annular grooves, 102. body annular boss, 103. body flanges;
2, connector shell, annular boss in 201. housings, 202. collar grooves, 203. endoporus one, 204. endoporus two, 205. shell flanges, 206. right annular grooves, annular boss in 207. housings, 208. collars, the right annular boss of 209. housing;
3, connector driving mechanism, 301. housing coupling shafts, 301A. cylndrical surface, 302. housing connecting plates, 303. driving springs, 303A. spring end face, 304. shackle rods, 304A. threaded end, 305. self-locking nuts, 306. limited rings, 307. are connected and fixed plate, 308. handle moving blocks, 309. body coupling shafts, 309A. cylndrical surface, 310. handle rings, 311. minor axises, 312. handle shaft, 313. handle bent plates;
4, connector locking mechanism, 401. housings, 402. fastening screw trip bolts, 403. transmission pressure rings, 403A. screw, 403B. right side, 403C. limiting stopper, 404. counterbalance springs, 405. pressing plates, 406. bridge screws, 407. check lock levers, 407A. plane, 407B. cylndrical surface, 407C. spring terminal, 408. little springs, 409. fixed pressure ring one, 410. fixed pressure rings two;
5, connector sealing structure, 501. primary seal circles, 502. seal stopper rings, 503. shaft block rings;
6, interface, 601. fiber planes, 602. confined planes, 603. semicircle anchor rings, 604. half slots;
M-connector original state handle position; N-connector locking state handle position.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
A kind of connector for charging liquid at low-temperature.Its overall structure as shown in Figure 1, comprises connector body 1, connector shell 2, connector drive mechanism 3, connector locking mechanism 4 and connector sealing structure 5.
As shown in Figure 1, Figure 2, shown in Fig. 5 and Fig. 9, the right-hand member end of connector body 1 is provided with flange 103, this end of connector body 1 is also provided with annular boss 102, the outside of annular boss 102 is along being circumferentially with annular groove 101.The body coupling shaft 309 of connector driving mechanism 3 is embedded in annular groove 101, thereby connector body 1 and connector driving mechanism 3 are linked together.The left side of annular boss 102 contacts with the right-hand member of the driving spring 303 of connector driving mechanism 3.
As shown in Figure 2, sealing configuration 5 is embedded in the left end end of connector body 1, and sealing configuration 5 comprises primary seal circle 501, primary seal baffle ring 502, shaft block ring 503, and shaft block ring 503 is fixed on primary seal circle 501 on body 1 by primary seal baffle ring 8.
As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 7 and Fig. 9, connector shell 2 is enclosed within outside connector body 1, and housing 2 is inner along being circumferentially with annular boss 201, and the right side of annular boss 201 contacts with the left end of the driving spring 303 of connector driving mechanism 3.The right-hand member of connector shell 2 is outside along being circumferentially with annular boss 209, the outside of annular boss 209 is along being circumferentially with annular groove 206, the housing coupling shaft 301 of connector driving mechanism 3 is embedded in annular groove 206, thereby connector shell 2 and connector driving mechanism 3 are linked together.Connector shell 2 intermediary outside are along being circumferentially with annular boss 207, annular boss 207 is outside along being circumferentially with annular snap ring recess 202, the inner ring of annular collar 208 is embedded in annular snap ring recess 202, and the outer ring of annular collar 208 contacts with the right side of the transmission ring 403 of connector locking mechanism 4.The check lock lever 406 of connector locking mechanism 4 is through the endoporus 2 204 in housing 2 left ends, housing 2 and connector locking mechanism 4 are linked together, between check lock lever 406 and housing 2, cover has little spring 407, little spring 407 to be positioned at the endoporus 1 of housing 2 left ends.The flange 205 of housing 2 left ends is embedded with interface 6.
As shown in Fig. 1, Fig. 5, Fig. 6, Fig. 7 and Fig. 9, connector drive mechanism 3 comprises two housing coupling shafts 301, housing connecting plate 302, driving spring 303, two shackle rods 304, four 305,2 limited rings 306 of self-locking nut, be connected and fixed plate 307, the basic body coupling shaft of four handle drive blocks 308, two 309, two handle rings 310, two minor axises 311, two handle shaft 312, four handle bent plates 313.Four handle bent plates 313 and two handle rings 310 form operating grip; Operating grip is connected with four handle drive blocks 308 by handle shaft 312, and operating grip is connected with housing connecting plate 302 by minor axis 311.Four handle drive blocks 308 by two basic body coupling shafts 309 be connected and fixed plate 307 and be connected; Two shackle rods 304 are fixed on and are connected and fixed on plate 307 by four self-locking nuts 305.Be connected and fixed outside the annular boss 102 that plate 307 is enclosed within connector body 1 right-hand member, the cylndrical surface 309A of two basic body coupling shafts 309 is stuck in the annular groove 101 outside the annular boss 102 of right-hand member of connector body 1.Housing connecting plate 302 is enclosed within outside the right-hand member annular boss 209 of connector shell 2, the cylndrical surface 301 of connector drive mechanism 3 by two basic body coupling shafts 301 is stuck in the right annular groove 206 outside the right-hand member annular boss 209 of connector shell 2, and the spring end face 303A of driving spring 303 contacts spacing with the right side of the annular boss 201 of connector shell 2; The threaded end 304A of two shackle rods 304 is fixedly connected with the tapped hole 403A screw thread on the transmission ring 403 of connector locking mechanism 4.
As shown in Fig. 1, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, connector locking mechanism 4 comprises: shell 401, three fastening screw trip bolts 402, transmission pressure ring 403, counterbalance spring 404, pressing plate 405, bridge screw 406, three check lock levers 407, three little springs 408, fixed pressure ring 1, fixed pressure ring 2 410.Shell 401 is connected with the transmission pressure ring 403 in being nested in its right-hand member by three fastening screw trip bolts 402; Transmission pressure ring 403 is along being circumferentially evenly provided with three limiting stopper 403C, fixed pressure ring 1 and an annulus of fixed pressure ring 2 410 whole formations, three check lock levers 407 are plugged in fixed pressure ring 1, fixed pressure ring 2 410, and three check lock levers 407 are uniformly distributed along the circumferencial direction of two pressure rings.The outer all covers of each check lock lever 407 have a little spring 408.Pressing plate 405 is close to the right flank of fixed pressure ring 1, fixed pressure ring 2 410, and; Pressing plate 405 is fixedly connected with fixed pressure ring 2 410 with fixed pressure ring 1 by three bridge screws 406, and pressing plate 405 plays restriction check lock lever 407 simultaneously and moves right.Between pressing plate 405 and transmission pressure ring 403, be provided with overcompensation spring 404, three limiting stopper 403C on transmission pressure ring 403 play restriction counterbalance spring 404 and move radially.Fixed pressure ring 1, fixed pressure ring 2 410 are fixedly connected with shell 401 by screw.Connector locking mechanism 4 is enclosed within outside connector shell 2, and the cylndrical surface 407B of check lock lever 407 and the endoporus 2 204 in connector shell 2 are connected.The spring terminal 408A of little spring 408 contacts spacing with the left side wall of endoporus 1 in connector shell 2.The right flank 403B of transmission pressure ring 403 contacts spacing with the left surface of the collar 208 of connector shell 2.The plane 407A of check lock lever 407 contacts spacing with the semicircle anchor ring 603 of interface 6.
Connector working procedure for charging liquid at low-temperature provided by the present invention is divided into connection, locking process and release, process comes off:
Connector provided by the present invention is connected with interface 6, locking process is shown in accompanying drawing 9, accompanying drawing 10: the operating grip of holding connector inserts connector to interface 6, now connector operating grip does not move, connector shell 2 ends arrive after the spacing plane 601 of interface 6, connector integral body is rotated counterclockwise to the confined planes 602 that arrives interface 6 to connector, keep connector position that connector operating grip is promoted forward, operating grip drives drive mechanism 3 to drive locking mechanism 4 to travel forward by shackle rod 304, check lock lever 407 is inserted in the half slot 604 of interface 6, handle drives connector body 1 to move through connector sealing structure 5 to interface 6 and realizes connector and interface 6 sealings (accompanying drawing 10) simultaneously, continue forwards active handle and arrive connector locking state handle position N in accompanying drawing 11, realize being connected of connector and interface 6, locking function.
The release of connector and interface 6, process comes off: connector operating grip is regained to connector rear end pipeline direction, operating grip drives drive mechanism 3 to drive locking mechanism 4 to move backward by shackle rod 304, check lock lever 407 is separated with the upper half-round slot 604 of interface 6, connector body 1 drives connector sealing structure 5 to move backward and realizes connector and interface 6 hermetic separation simultaneously, device operating grip to be connected is in accompanying drawing 11 during connector original state handle position M, connector integral body is turned clockwise after 20 °, and connector is realized separated with interface 6.
In conjunction with the accompanying drawings and embodiments the present invention is explained in detail above, but the present invention is not limited to above-described embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from aim of the present invention, makes various variations.The content not being described in detail in the present invention all can adopt prior art.

Claims (8)

1. the connector for charging liquid at low-temperature, it is characterized in that: it comprises connector body (1), be enclosed within left section of outer connector shell (2) of connector body (1), be enclosed within left section of outer connector locking mechanism (4) of connector shell (2), the right part of connector drive mechanism (3) is enclosed within outside right section of connector body (1), the intermediate section of connector drive mechanism (3) is enclosed within outside connector shell (2), and the left part section of connector drive mechanism (3) is embedded in connector locking mechanism (4).
2. a kind of connector for charging liquid at low-temperature according to claim 1, is characterized in that: the left end of described connector body (1) is embedded with connector sealing structure (5) outward.
3. a kind of connector for charging liquid at low-temperature according to claim 1 and 2, it is characterized in that: the right-hand member of described connector body (1) is provided with annular boss (102), the outside of annular boss (102) is along being circumferentially with annular groove (101), and connector driving mechanism (3) is embedded in annular groove (101).
4. a kind of connector for charging liquid at low-temperature according to claim 3, it is characterized in that: the right-hand member of described connector shell (2) is outside along being circumferentially with annular boss (209), the outside of annular boss (209) is along being circumferentially with annular groove (206), and connector driving mechanism (3) is embedded in annular groove (206); Connector shell (2) intermediary outside is along being circumferentially with annular boss (207), annular boss (207) is outside along being circumferentially with annular snap ring recess (202), annular snap ring recess (202) is embedded with annular collar (208), and the outer ring of annular collar (208) contacts with the right side of connector locking mechanism (4); In the left end of connector shell (2), be provided with endoporus, left section of portion of connector locking mechanism (4) is embedded in this endoporus.
5. a kind of connector for charging liquid at low-temperature according to claim 4, it is characterized in that: described connector drive mechanism (3) comprises housing coupling shaft (301), housing connecting plate (302), driving spring (303), shackle rod (304), limited ring (306), is connected and fixed plate (307), handle drive block (308), two basic body coupling shafts (309), handle ring (310), minor axis (311), handle shaft (312), handle bent plate (313), handle bent plate (313) forms operating grip with handle ring (310); Operating grip is connected with handle drive block (308) by handle shaft (312), and operating grip is connected with housing connecting plate (302) by minor axis (311); Handle drive block (308) by body coupling shaft (309) be connected and fixed plate (307) and be connected; Shackle rod (304) is fixed on and is connected and fixed on plate (307).
6. a kind of connector for charging liquid at low-temperature according to claim 5, it is characterized in that: described being connected and fixed outside the annular boss (102) that plate (307) is enclosed within connector body (1) right-hand member, in the annular groove that is stuck in connector body (1) (101) of body coupling shaft (309).
7. a kind of connector for charging liquid at low-temperature according to claim 6, it is characterized in that: described housing connecting plate (302) is enclosed within outside the right-hand member annular boss (209) of connector shell (2), connector drive mechanism (3) is stuck in by body coupling shaft (301) in the right annular groove (206) of connector shell (2), and one end of driving spring (303) contacts with the right side of the annular boss (201) of connector shell (2).
8. a kind of connector for charging liquid at low-temperature according to claim 7, it is characterized in that: described connector locking mechanism (4) comprises shell (401), transmission pressure ring (403), counterbalance spring (404), pressing plate (405), check lock lever (407), little spring (408), in shell (401), be provided with transmission pressure ring (403), check lock lever (407) is connected with pressing plate (405); Between pressing plate (405) and transmission pressure ring (403), be provided with counterbalance spring (404), in the endoporus that is plugged on connector shell (2) left end of check lock lever (407); Little spring (408) is enclosed between check lock lever (407) and connector shell (2) endoporus; The right flank of transmission pressure ring (403) contacts with the left surface of the collar (208) of connector shell (2).
CN201210307919.6A 2012-08-27 2012-08-27 Connector for cryogenic liquid filling Pending CN103629464A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210307919.6A CN103629464A (en) 2012-08-27 2012-08-27 Connector for cryogenic liquid filling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210307919.6A CN103629464A (en) 2012-08-27 2012-08-27 Connector for cryogenic liquid filling

Publications (1)

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CN103629464A true CN103629464A (en) 2014-03-12

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105090716A (en) * 2015-09-09 2015-11-25 北京航天发射技术研究所 Three-freedom-degree support
CN106481922A (en) * 2016-11-08 2017-03-08 上海宇航系统工程研究所 A kind of self sealss cryogenic coupler
CN106641548A (en) * 2016-11-21 2017-05-10 上海宇航系统工程研究所 Low-temperature connector
CN110332393A (en) * 2019-07-03 2019-10-15 北京航天发射技术研究所 A kind of pipeline connector

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5911445A (en) * 1997-11-24 1999-06-15 Lee; Shen-Chih Hose coupling with safety locking means
US6120065A (en) * 1999-03-18 2000-09-19 Chen; Tsan-Jee Quick coupling
US20070200343A1 (en) * 2003-06-24 2007-08-30 Illinois Tool Works Inc. Preconditioned air connector assembly for aircraft
CN201228852Y (en) * 2008-06-03 2009-04-29 北京航天发射技术研究所 Fast connecting device for charging liquid at low-temperature

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5911445A (en) * 1997-11-24 1999-06-15 Lee; Shen-Chih Hose coupling with safety locking means
US6120065A (en) * 1999-03-18 2000-09-19 Chen; Tsan-Jee Quick coupling
US20070200343A1 (en) * 2003-06-24 2007-08-30 Illinois Tool Works Inc. Preconditioned air connector assembly for aircraft
CN201228852Y (en) * 2008-06-03 2009-04-29 北京航天发射技术研究所 Fast connecting device for charging liquid at low-temperature

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105090716A (en) * 2015-09-09 2015-11-25 北京航天发射技术研究所 Three-freedom-degree support
CN105090716B (en) * 2015-09-09 2017-08-25 北京航天发射技术研究所 Three Degree Of Freedom support
CN106481922A (en) * 2016-11-08 2017-03-08 上海宇航系统工程研究所 A kind of self sealss cryogenic coupler
CN106641548A (en) * 2016-11-21 2017-05-10 上海宇航系统工程研究所 Low-temperature connector
CN110332393A (en) * 2019-07-03 2019-10-15 北京航天发射技术研究所 A kind of pipeline connector
CN110332393B (en) * 2019-07-03 2021-02-26 北京航天发射技术研究所 Pipeline connector

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Application publication date: 20140312