CN107542990B - A kind of brace type rocket is for air connector - Google Patents

A kind of brace type rocket is for air connector Download PDF

Info

Publication number
CN107542990B
CN107542990B CN201711011577.2A CN201711011577A CN107542990B CN 107542990 B CN107542990 B CN 107542990B CN 201711011577 A CN201711011577 A CN 201711011577A CN 107542990 B CN107542990 B CN 107542990B
Authority
CN
China
Prior art keywords
connector
ozzle
hole
air
support plate
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
Application number
CN201711011577.2A
Other languages
Chinese (zh)
Other versions
CN107542990A (en
Inventor
王建秋
胡亚涛
李孜
张波
孟婧
徐善田
游操
杨泽涛
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 CN201711011577.2A priority Critical patent/CN107542990B/en
Publication of CN107542990A publication Critical patent/CN107542990A/en
Application granted granted Critical
Publication of CN107542990B publication Critical patent/CN107542990B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Joints Allowing Movement (AREA)

Abstract

The invention discloses a kind of brace type rockets for air connector, including support plate and a plurality of air supply pipe, support plate is equipped with multiple through holes, through hole is step pore structure and makes the table top of its inside using concave spherical surface, the lower end and upper end of air supply pipe are correspondingly provided with ozzle connector and spigot joint, the periphery wall of ozzle connector is equipped with the limited ring dais that two sides are convex spherical, the periphery wall of spigot joint is equipped with closure gasket groove and sealing ring, ozzle connector is passed through from through hole and is limited by limit casing, limited ring dais on ozzle connector is on the downside of the table top in through hole, the upper half spinning of limit casing is in through hole and is in upper end on the downside of the limited ring dais of ozzle connector, the cooperation of the internal perisporium interval of ozzle connector and limited ring dais and through hole, the internal perisporium of limit casing and the periphery wall clearance fit of ozzle connector.It has the advantages that structure is simple and convenient to operate, is sealed reliable, adaptable, it can be achieved that long-term docking and falling off for zero second.

Description

A kind of brace type rocket is for air connector
Technical field
The present invention relates to a kind of rocket feeders, and in particular to a kind of that long-term docking and the support to fall off in zero second can be achieved Formula rocket is for air connector.
Background technique
In space industry, socket usually is supplied in the de- formula of pulling out of rocket tail end setting, and more by being arranged on gas supply socket A air feed interface realizes the rapid abutting joint and combined air supply of air source device pipeline, to guarantee the gas at normal temperature such as nitrogen, air Reliable delivery.For being docked for for air connector with gas supply socket on arrow, should have the ability docked reliably and with long-term, to protect The reliability of testimony gas;When rocket firing is taken off, should also have the micro drift of rocket body when adapting to blast off and rolling Ability, and be able to achieve zero second and reliably fall off.It is existing to mostly use end face seal structure for air connector, because end face seal structure is wanted Opposite pretightning force must be had by asking between interfacing part, so existing for being supplied between socket on air connector and arrow through setting ball Lock or the mechanisms such as claw to realize locking, and face penetrate before carry out remote control unlock, to fall off from rocket body for air connector.Its Not only structure is complex, and there is the risk for being unable to quick release.It is connected especially for using the gas supply of ball lock construction Device, because ball lock is single point failure fault mode mechanism, and during long-term mating operation, ball locks each moving component presenceization It learns and physics corrosion risk, once its working performance will be seriously affected by corrosion, it can not normal release for air connector Risk is higher.
Summary of the invention
The object of the present invention is to provide a kind of brace type rockets for air connector, is simple and convenient to operate with structure, is close Reliable, adaptable advantage is sealed, can be docked for a long time with socket realization is supplied on arrow, rocket body is suitable for when rocket firing is taken off Micro drift and rolling, and can be realized zero second and fall off without unlocking operation.
To solve the above-mentioned problems in the prior art, a kind of brace type rocket provided by the invention for air connector, Including support plate and a plurality of air supply pipe, the support plate is equipped with corresponding with the air feed interface supplied on socket on arrow multiple logical Via hole, the through hole use up-small and down-big step pore structure, offer internal screw thread on the lower half peripheral wall of through hole, pass through The table top of hole lower and upper parts junction is concave spherical surface, is additionally provided with multiple bar shaped fixation holes in support plate;The air supply pipe Lower end and upper end be correspondingly provided with ozzle connector and spigot joint, the periphery wall of the ozzle connector is equipped with limited ring dais, institute The upper side and downside for stating limited ring dais are convex spherical, at least provided with one of sealing ring on the periphery wall of the spigot joint Slot is simultaneously equipped with O-ring seals in closure gasket groove;Ozzle connector on a plurality of air supply pipe is corresponding from multiple in support plate It passes through in through hole and is limited respectively by limit casing, wherein the limited ring dais on ozzle connector is in through hole Table top on the downside of, and make the internal perisporium clearance fit of ozzle connector and limited ring dais and through hole, the periphery of the limit casing Wall is equipped with limit baffle ring, and makes in its through hole of upper half spinning on the supporting plate, and the upper end of limit casing is in ozzle On the downside of the limited ring dais of connector, and make the internal perisporium of limit casing and the periphery wall clearance fit of ozzle connector.
Further, a kind of brace type rocket of the present invention is for air connector, wherein there are six the fixation hole is set, wherein Corresponding four angles for being distributed in support plate of four fixation holes, another two fixation hole are distributed in the middle part of support plate one end.
Further, a kind of brace type rocket of the present invention is for air connector, wherein the limit casing is under limit baffle ring It offers on the periphery wall of side and symmetrically rises as high as the banks.
Further, a kind of brace type rocket of the present invention is for air connector, wherein close on the spigot joint periphery wall Seal ring slot offers twice.
Further, a kind of brace type rocket of the present invention is for air connector, wherein the air supply pipe is steel pipe.
A kind of brace type rocket of the present invention compared with prior art, has the advantage that the present invention passes through for air connector Support plate and a plurality of air supply pipe are set, multiple pass through corresponding with the air feed interface on arrow on gas supply socket is set on the supporting plate Hole allows through hole using up-small and down-big step pore structure, and opens up internal screw thread on the lower half peripheral wall of through hole, and allow logical The table top of via hole lower and upper parts junction uses concave spherical surface, while multiple bar shaped fixation holes being arranged on the supporting plate.It allows Air supply pipe is correspondingly arranged ozzle connector and spigot joint in its lower end and upper end, and stop collar is arranged on the periphery wall of ozzle connector Platform, and the upper side of limited ring dais and downside is made to be all made of convex spherical;At least one of setting on the periphery wall of spigot joint Closure gasket groove, and O-ring seals are set in closure gasket groove.Make the ozzle connector on a plurality of air supply pipe corresponding from support plate It passes through in multiple through holes and is limited respectively by limit casing, wherein the limited ring dais on ozzle connector, which is in, to be passed through On the downside of table top in hole, and make the internal perisporium clearance fit of ozzle connector and limited ring dais and through hole, in the outer of limit casing Limit baffle ring is set on peripheral wall, and makes to allow the upper end of limit casing to be in its through hole of upper half spinning on the supporting plate On the downside of the limited ring dais of ozzle connector, and make the internal perisporium of limit casing and the periphery wall clearance fit of ozzle connector.Thus Constitute that a kind of structure is simple and convenient to operate, sealed reliable, adaptable support formula rocket are for air connector.In practical application In, allow support plate to be fixed on the bracket being correspondingly arranged by multiple bar shaped fixation holes and corresponding bolt, and pass through multiple Shape fixation hole adjusts position so that itself and gas supply socket centering on arrow, make the ozzle connector of a plurality of air supply pipe lower end corresponding and gas source Connection allows the spigot joint of a plurality of air supply pipe upper end is corresponding to be inserted on arrow the air feed interface supplied on socket, multichannel can be realized The rapid abutting joint and combined air supply of supply air line.The present invention by spigot joint be arranged closure gasket groove and corresponding O shape it is close Seal can be realized reliable close when supplying the air feed interface on socket on spigot joint insertion arrow by extruding O-ring seals Envelope;Supplying socket when rocket firing is taken off, on arrow can make each air feed interface overcome frictional force in following rocket uphill process It is directly detached from each spigot joint, not needing unlocking motion can make to fall off within zero second for air connector realization, have docking convenient Fast, fall off reliable advantage.Meanwhile the present invention is by allowing table top in support plate in through hole using concave spherical surface, allows ozzle The upper side of connector periphery wall upper limit land and downside use convex spherical, allow ozzle connector and limited ring dais and through hole Internal perisporium clearance fit, the limit of up and down direction is carried out by limit casing to ozzle connector, and allows the internal perisporium of limit casing Keep ozzle connector rotatable and energy on the basis of guaranteeing structure relative stability with the periphery wall clearance fit of ozzle connector Realize micro deflection.For this structure setting when rocket firing is taken off, ozzle connector can follow the confession supplied on socket on arrow Gas interface carries out micro offset torsion and is improved with adapting to micro drift and the rolling when rocket body takes off for the suitable of air connector Answering property and practicability.
Shown specific embodiment is made a kind of brace type rocket of the present invention for air connector further with reference to the accompanying drawing It is described in detail:
Detailed description of the invention
Fig. 1 is a kind of mated condition schematic diagram of the brace type rocket of the present invention for gas supply socket on air connector and arrow;
Fig. 2 is a kind of schematic diagram of the brace type rocket of the present invention for support plate in air connector;
Fig. 3 is a kind of schematic diagram of the brace type rocket of the present invention for air supply pipe in air connector;
Fig. 4 is that a kind of brace type rocket of the present invention is illustrated for support plate in air connector and the connection relationship of ozzle connector Figure;
Fig. 5 is the schematic diagram that socket and its air feed interface are supplied on arrow;
Fig. 6 is a kind of brace type rocket of the present invention for supplying air feed interface on socket on spigot joint in air connector and arrow Connection relationship diagram.
Specific embodiment
Firstly the need of explanation, the nouns of locality such as heretofore described upper and lower, front, rear, left and right only with reference to the accompanying drawings into Capable description, in order to understand, not to technical solution of the present invention and be claimed range progress limitation.
Specific embodiment of a kind of brace type rocket of the present invention for air connector as shown in Figures 1 to 6, including support plate 1 and a plurality of air supply pipe 2.Multiple through holes 11 corresponding with the air feed interface supplied on socket on arrow are set in support plate 1, are allowed Through hole 11 uses up-small and down-big step pore structure, opens up internal screw thread on the lower half peripheral wall of through hole 11, and allow and pass through The table top of 11 lower and upper parts junction of hole uses concave spherical surface, meanwhile, multiple bar shaped fixation holes 12 are set in support plate 1 Position is fixed and adjusted in order to carry out installation.Ozzle connector 21 is correspondingly arranged in the lower end of air supply pipe 2 and upper end and intubation connects First 22, limited ring dais 23 is set on the periphery wall of ozzle connector 21, and adopts the upper side of limited ring dais 23 and downside Use convex spherical;Two seals annular groove 24 is set on the periphery wall of spigot joint 22 and O shape is set in closure gasket groove 24 and is sealed Circle 25.It allows the correspondence of ozzle connector 21 on a plurality of air supply pipe 2 to pass through from multiple through holes 11 in support plate 1, and leads to respectively Limit casing 3 is crossed to limit ozzle connector 21.Wherein, the limited ring dais 23 on ozzle connector 21 is allowed to be in through hole 11 Table top on the downside of, and make the internal perisporium clearance fit of ozzle connector 21 and limited ring dais 23 and through hole 11;Limit casing 3 is allowed to exist Limit baffle ring 31 is set on its periphery wall, and makes its upper half spinning in the through hole 11 in support plate 1, limit casing 3 Upper end is in 23 downside of limited ring dais of ozzle connector 21, and makes the internal perisporium of limit casing 3 and the periphery wall of ozzle connector 21 Clearance fit.
Be arranged through the above structure just constitute a kind of structure be simple and convenient to operate, sealed reliable, adaptable support formula Rocket is for air connector.In practical applications, support plate 1 is allowed to be fixed on pair by multiple bar shaped fixation holes 12 and corresponding bolt On the bracket that should be arranged, and position is adjusted so that itself and gas supply 4 centering of socket on arrow, allow by multiple bar shaped fixation holes 12 The correspondence of ozzle connector 21 of a plurality of 2 lower end of air supply pipe is connect with gas source, allows the spigot joint 22 of a plurality of 2 upper end of air supply pipe is corresponding to insert Enter the air feed interface 41 supplied on socket 4 on arrow, the rapid abutting joint and combined air supply of air source device pipeline can be realized.The present invention By the way that two seals annular groove 24 and corresponding O-ring seals 25 are arranged on spigot joint 22, it is inserted on arrow in spigot joint 22 When supplying the air feed interface 41 on socket 4, reliable sealing can be realized by squeezing O-ring seals 25.It takes off in rocket firing When, gas supply socket 4 can make each air feed interface 41 that frictional force be overcome directly to connect with each intubation in following rocket uphill process on arrow First 22 are detached from, and not needing unlocking motion can make to fall off within zero second for air connector realization, have docking convenient and efficient, fall off reliable The advantages of.Meanwhile the present invention is by allowing table top in support plate 1 in through hole 11 using concave spherical surface, allows 21 periphery of ozzle connector The upper side of wall upper limit land 23 and downside are all made of convex spherical, allow ozzle connector 21 and limited ring dais 23 and through hole 11 Internal perisporium clearance fit, the limit of up and down direction is carried out to ozzle connector 21 by limit casing 3, and allow limit casing 3 The periphery wall clearance fit of internal perisporium and ozzle connector makes ozzle connector 21 can on the basis of guaranteeing structure relative stability It rotates and is able to achieve micro deflection.When rocket firing is taken off, ozzle connector 21 can be followed on arrow and be supplied this structure setting Air feed interface 41 on socket 4 carries out micro offset torsion, to adapt to micro drift and the rolling when rocket body takes off, improves confession The adaptability and practicability of air connector.It should be noted that in practical applications, the upper end of limit casing 3, ozzle connector 21 On limited ring dais 23 and through hole 11 in table top between should there are slightly measure gap, to guarantee ozzle connector 21 in the horizontal direction On can do micro offset torsion.Closure gasket groove 24 on spigot joint 22 is not limited to setting twice, and one or two can also be arranged More than road, as long as being able to achieve reliable sealing and falling off for zero second.Refer to branch in 4 pairs of socket of gas supply in above-mentioned support plate 1 and arrow Corresponding 41 centering of air feed interface on arrow on gas supply socket 4 of multiple through holes 11 on fagging 1.
As specific embodiment, the present invention allows the fixation hole 12 in support plate 1 to be arranged six, wherein four fixation holes 12 Corresponding four angles for being distributed in support plate 1, another two fixation hole 12 are distributed in the middle part of 1 one end of support plate.This setting has It is convenient and efficient to adjust position, connects reliable feature.For the convenience for improving operation, present embodiment also allows limit casing 3 have opened up on the periphery wall of the downside of limit baffle ring 31 and symmetrically have risen as high as the banks, to facilitate tool engagement progress rotation process.In addition. In practical applications, the air supply pipe 2 in the present invention generallys use steel pipe, makes it that can bear certain bending, to improve connector Adaptability.It should be pointed out that air supply pipe 2 is not limited to using steel pipe, can also use has its for being equal to property with steel pipe The pipe fitting of his type.
To help skilled in the art to understand the present invention, below to a kind of brace type rocket of the present invention for air connector It installs and makees schematic illustration with the process that socket 4 docks is supplied on arrow:
1, the limit casing 3 in through hole 11 each in support plate 1 is screwed out outward, falls each air supply pipe 2 downwards after rise, so as to Reserve operating space.
2, support plate 1 is mounted on the bracket being correspondingly arranged by fixation hole 12 and corresponding bolt, and makes support plate 1 With gas supply 4 preliminary centering of socket on arrow.At this point, each bolt is in the state that unscrews to carry out fine position to support plate 1.
3, any two air supply pipes 2 are above mentioned, the spigot joint 22 of the upper end is inserted on arrow and supplies corresponding confession on socket 4 In gas interface 41.
4, the position for finely tuning support plate 1, when two air supply pipes 2 are in corresponding through hole 11 center, screwed support Bolt on plate 1 is so that it is fixed with bracket, and screws in two corresponding limit casings 3 of air supply pipe 2 inwards.
5, remaining air supply pipe 2 is above mentioned, the spigot joint 22 of the upper end is inserted on arrow and supplies corresponding gas supply on socket 4 In interface 41, and the corresponding limit casing 3 of each air supply pipe 2 is screwed in inwards.
Our experiments show that a kind of brace type rocket of the present invention can realize long-term docking and effectively sealing for air connector, and Adapt to micro drift and the rolling when rocket takes off, and do not need unlocking motion can be realized for air connector and rocket body zero Second falls off.In addition, the support plate 1, air supply pipe 2 and limit casing 3 in the present invention have been all made of modularized design, it is easy to accomplish, Commutativity is good, is conducive to carry out quick-replaceable, maintenance to each component during execution task.
Above embodiments are only the descriptions carried out to the preferred embodiment for the present invention, and range not is claimed to the present invention The restriction of progress, without departing from the spirit of the design of the present invention, the technology of this field engineers and technicians according to the present invention The various forms of deformations that scheme is made, should fall within the scope of protection determined by the claims of the present invention.

Claims (5)

1. a kind of brace type rocket is for air connector, which is characterized in that including support plate (1) and a plurality of air supply pipe (2), the branch Fagging (1) is equipped with multiple through holes (11) corresponding with the air feed interface supplied on socket on arrow, and the through hole (11) is adopted With up-small and down-big step pore structure, internal screw thread, through hole (11) lower half are offered on the lower half peripheral wall of through hole (11) Table top with upper half junction is concave spherical surface, is additionally provided with multiple bar shaped fixation holes (12) in support plate (1);The air supply pipe (2) lower end and upper end is correspondingly provided with ozzle connector (21) and spigot joint (22), on the periphery wall of the ozzle connector (21) Equipped with limited ring dais (23), the upper side of the limited ring dais (23) and downside are convex spherical, the spigot joint (22) Periphery wall on be equipped with O-ring seals (25) at least provided with one of closure gasket groove (24) and in closure gasket groove (24);It is described more Ozzle connector (21) correspondence on bar air supply pipe (2) passes through from multiple through holes (11) on support plate (1) and passes through respectively Limit casing (3) is limited, wherein the limited ring dais (23) on ozzle connector (21) is under the table top in through hole (11) Side, and make the internal perisporium clearance fit of ozzle connector (21) and limited ring dais (23) and through hole (11), the limit casing (3) Periphery wall be equipped with limit baffle ring (31), and make its upper half spinning in the through hole (11) on support plate (1), limit sleeve The upper end of pipe (3) is on the downside of the limited ring dais (23) of ozzle connector (21), and connects the internal perisporium of limit casing (3) with ozzle The periphery wall clearance fit of head (21).
2. a kind of brace type rocket described in accordance with the claim 1 is for air connector, which is characterized in that the fixation hole (12) sets There are six, wherein corresponding four angles for being distributed in support plate (1) of four fixation holes (12), another two fixation hole (12) are distributed in branch The middle part of fagging (1) one end.
3. a kind of brace type rocket is for air connector according to claim 2, which is characterized in that the limit casing (3) It offers on the periphery wall on the downside of limit baffle ring (31) and symmetrically rises as high as the banks.
4. a kind of brace type rocket described in accordance with the claim 3 is for air connector, which is characterized in that the spigot joint (22) Closure gasket groove (24) on periphery wall offers twice.
5. a kind of brace type rocket is for air connector according to claim 4, which is characterized in that the air supply pipe (2) is Steel pipe.
CN201711011577.2A 2017-10-26 2017-10-26 A kind of brace type rocket is for air connector Active CN107542990B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711011577.2A CN107542990B (en) 2017-10-26 2017-10-26 A kind of brace type rocket is for air connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711011577.2A CN107542990B (en) 2017-10-26 2017-10-26 A kind of brace type rocket is for air connector

Publications (2)

Publication Number Publication Date
CN107542990A CN107542990A (en) 2018-01-05
CN107542990B true CN107542990B (en) 2019-09-10

Family

ID=60968357

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711011577.2A Active CN107542990B (en) 2017-10-26 2017-10-26 A kind of brace type rocket is for air connector

Country Status (1)

Country Link
CN (1) CN107542990B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110220058B (en) * 2018-03-02 2021-04-06 中航光电科技股份有限公司 Fluid connector assembly and connector and adaptive connector thereof
CN108695661A (en) * 2018-06-08 2018-10-23 湖南玛伽克蓝箭科技有限公司 A kind of mounting structure of tear-away socket on carrier
CN110057243A (en) * 2019-06-03 2019-07-26 北京深蓝航天科技有限公司 Automatic-falling air tube connector
CN111272026B (en) * 2020-04-26 2021-05-07 蓝箭航天空间科技股份有限公司 Connecting device and method for carrier rocket

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202469334U (en) * 2012-03-20 2012-10-03 安徽理工大学 Multi-path hydraulic passage connecting device
CN102734496A (en) * 2012-06-14 2012-10-17 肖巍 Integral interface design for multiple-passage fluid distributor and externally-connected conduit cluster
CN103453264A (en) * 2013-09-14 2013-12-18 陕西华达科技股份有限公司 Multi-core quick connection type gas path round connector
CN103486374A (en) * 2013-08-30 2014-01-01 北京航天发射技术研究所 Air path inserting-pulling combined connector
CN104736914A (en) * 2012-10-23 2015-06-24 伊利诺斯工具制品有限公司 Sub-sea multiple quick connector assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202469334U (en) * 2012-03-20 2012-10-03 安徽理工大学 Multi-path hydraulic passage connecting device
CN102734496A (en) * 2012-06-14 2012-10-17 肖巍 Integral interface design for multiple-passage fluid distributor and externally-connected conduit cluster
CN104736914A (en) * 2012-10-23 2015-06-24 伊利诺斯工具制品有限公司 Sub-sea multiple quick connector assembly
CN103486374A (en) * 2013-08-30 2014-01-01 北京航天发射技术研究所 Air path inserting-pulling combined connector
CN103453264A (en) * 2013-09-14 2013-12-18 陕西华达科技股份有限公司 Multi-core quick connection type gas path round connector

Also Published As

Publication number Publication date
CN107542990A (en) 2018-01-05

Similar Documents

Publication Publication Date Title
CN107542990B (en) A kind of brace type rocket is for air connector
CN104712868B (en) A kind of underwater multiplex hydraulic quick connecting device
CA1133963A (en) Fitting
CN107631114A (en) A kind of gas-liquid combines butt connector
CN109812630A (en) A kind of screwing type speed pipe connector
CN112377690B (en) Adopt universal manifold sled of big latus rectum that union connects
CN1932364A (en) Connection valve
CN109519629A (en) It is floating type to fluidly connect plug, socket and connector and cooling system comprising it
CN106499897B (en) Quick-release connector
CN202972290U (en) Self-locking tube connecting structure
CN209213257U (en) A kind of fast joint structure of reducer pipe
CN101813303B (en) Lamp panel connection device
CN215807002U (en) Adjustable rotary joint for papermaking
CN207122679U (en) Air hose coupling
CN205401371U (en) Transition connecting bolt
CN201425138Y (en) High-strength connector for engineering plastic tube fittings
CN210659936U (en) Axial inclined jetting, sucking and exhausting assisting mechanism for combustible gas at well mouth
CN210483652U (en) Vacuum degree adjustable wellhead combustible gas pumping mechanism
BR112022000154B1 (en) TUBULAR ELEMENT, TUBULAR COLUMN AND METHOD OF MECHANICAL COUPLING OF A TUBULAR ELEMENT TO THE OTHER TUBULAR ELEMENT
WO2023077574A1 (en) Calibrating and clamping sleeve mechanism for cooling pipeline connecting device of new-energy automobile
CN208074356U (en) A kind of air pump connector of Fast Installation
CN110332393B (en) Pipeline connector
CN218156865U (en) Test fixture for connecting split-ring valve and test bed
CN206846148U (en) A kind of fast insert-pull locked joints
CN104991321B (en) A kind of multifibre joint

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant