CN203515353U - Rapid connector - Google Patents

Rapid connector Download PDF

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Publication number
CN203515353U
CN203515353U CN201320567656.2U CN201320567656U CN203515353U CN 203515353 U CN203515353 U CN 203515353U CN 201320567656 U CN201320567656 U CN 201320567656U CN 203515353 U CN203515353 U CN 203515353U
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CN
China
Prior art keywords
locking
clip
female joint
joint
spring
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.)
Expired - Fee Related
Application number
CN201320567656.2U
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Chinese (zh)
Inventor
胡志坚
李雪辉
张亚昌
张晔
补声军
梁国红
沈赤卫
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 National Petroleum Corp
CNPC Engineering Technology R&D Co Ltd
Guizhou Gaofeng Petroleum Machinery Co Ltd
Original Assignee
China National Petroleum Corp
CNPC Drilling Research Institute Co Ltd
Guizhou Gaofeng Petroleum Machinery Co Ltd
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 National Petroleum Corp, CNPC Drilling Research Institute Co Ltd, Guizhou Gaofeng Petroleum Machinery Co Ltd filed Critical China National Petroleum Corp
Priority to CN201320567656.2U priority Critical patent/CN203515353U/en
Application granted granted Critical
Publication of CN203515353U publication Critical patent/CN203515353U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a rapid connector, and belongs to the technical field of well drilling equipment and tools in the petroleum industry. The rapid connector is composed of a male connecting head, a female connecting head, a steel ball/clamping block locking device and an anti-loose device, wherein one end of the male connecting head is connected with a bypass valve through threads, the other end of the male connecting head is an inserting head, one end of the female connecting head is fixedly connected with a high-pressure pipeline through a union, the other end of the female connecting head is an inserting hole, the inserting head of the male connecting head can be inserted into the inserting hole of the female connecting head, is sealed through a sealing ring in the inserting hole and is locked through the steel ball/clamping block locking device, rapid butting connection of the bypass valve and the high-pressure pipeline is achieved, and after inserting connection and locking, the anti-loose device holds a short connecting body of a drilling rod tightly to prevent the connector from loosening by accident.

Description

A kind of quick connector
Technical field
The utility model relates to a kind of quick connector, belongs to petroleum industry drilling equipment and technical field of tools.
Background technology
Therefore continuous circulation valve can be realized stable equivalent circulating density and continual drilling cuttings and discharge making up a joint or during column, keeping drilling fluid continuous circulation during whole drilling well, significantly improves drilling safety.Continuous circulation valve is arranged on each single or column upper end in advance, by drilling rod short circuit body, centre valve and bypass valve form, its basic functional principle is that a valve is respectively installed in the central through hole of drilling rod short circuit body and side direction by-pass prot, the valve of control centre's through hole break-make is called centre valve, the valve of controlling by-pass prot break-make is called bypass valve, by the alternately keying of two valves, realize the control that turns to of drilling fluid, when centre valve opens and bypass valve while cutting out, drilling fluid flows into drill string from central through hole, when bypass valve open and centre valve while closing drilling fluid from by-pass prot, flow into drill string, can under the state that keeps drilling fluid continuous circulation, complete and make up a joint or column operation thus.
One of committed step of continuous circulation valve operation is docked bypass valve by connector exactly with high pressure line, in use, require that connector is easy and simple to handle, dependable performance, especially must guarantee operating personnel's safety.
Patent 1CN200880008565.7 has described a kind of for blocking and turn to the equipment of liquid circulation flow, wherein radially valve A is that bypass valve and flexible duct are between high pressure line, to utilize a kind of quick connector to connect, this connector operating principle is first connector one end to be connected with valve A radially by screw thread, then the other end of connector is connected with flexible duct by union, when needs are removed flexible duct, must first unclamp union, flexible duct and connector are departed from, and then connector is unloaded from valve A radially.Described in patent 1 there is following shortcoming in connector: while 1, operating, need dress at every turn, tear union open once, because high pressure line is heavier and very difficult bending, union connects wastes time and energy, frequent dismounting will increase operating personnel's labour intensity, when union connects at every turn in addition, need knock locking, knock improper may to connector even radially valve A damage.2, connector is not equipped with necessary anti-loosing device, has connector and potential safety hazard that radially valve A surprisingly departs from.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of quick connector.
A quick connector, steel ball locking connector is comprised of male joint a, female joint a, locking sleeve a, steel ball, spring a, left clip, right clip, lock pin, turnbarrel, clip seat and locking nut; Fixture block locking connector is comprised of male joint b, female joint b, locking sleeve b, spring b, abutment sleeve and handle;
There is screw thread a male joint a one end, and screw thread a is connected with bypass valve, and the male joint a other end is plug a, is provided with steel ball draw-in groove on plug a; There is screw thread c one end of female joint a, and screw thread c is connected by union and high pressure line, and the female joint a other end is jack a, is provided with sealing ring a in jack a; The plug a of male joint a can insert in the jack a of female joint a, by the sealing ring a in jack a, realizes sealing, and utilizes the locking of steel ball locking device, after the locking of pegging graft, also can utilize anti-loosing device to hold drilling rod short circuit body tightly;
Steel ball locking device is comprised of locking sleeve a, steel ball and spring a; Steel ball is placed in the installing hole on female joint a face of cylinder a, spring a is arranged on the circular bead surface b of female joint a, locking sleeve a is enclosed within on the face of cylinder a of female joint a, the circular bead surface d of locking sleeve a withstands spring a, locking sleeve a is pushed against on spacing ring by spring a, and spacing ring is arranged in the stopper slot on female joint a face of cylinder a; Locking sleeve a inwall is provided with the groove with inclined-plane, and locking sleeve a can slide by Compress Spring a;
Anti-loosing device is comprised of left clip, right clip, lock pin, clip seat, turnbarrel and locking nut; Turnbarrel is enclosed within on the face of cylinder b of female joint a, clip cover for seat is on the c of the face of cylinder of turnbarrel, turnbarrel and locking nut are connected as a single entity by screw, clip seat is limited between turnbarrel circular bead surface e and the backup face of locking nut, turnbarrel can be to rotate relative to clip seat with locking nut, and locking nut spins by screw thread b and female joint a; The pin-and-hole b of left clip is connected by bearing pin a with the pin-and-hole e of clip seat, the pin-and-hole d of right clip is connected by bearing pin b with the pin-and-hole f of clip seat, the pin-and-hole a of left clip is connected by lock pin with the pin-and-hole c of right clip, left clip and right clip is connected as a single entity and holds drilling rod short circuit body tightly;
Fixture block locking connector: there is screw thread d male joint b one end, and screw thread d is connected with bypass valve, the male joint b other end is plug b, plug b rear end is provided with circumferential equally distributed L-type draw-in groove; There is screw thread e one end of female joint b, and screw thread e is connected by union and high pressure line, and the female joint b other end is jack b, and sealing ring b is installed in jack b, and jack b front end is provided with the circumferential equally distributed L-type fixture block corresponding with L-type draw-in groove; The plug b of male joint b can insert in the jack b of female joint b, by the sealing ring b in jack b, realizes sealing, and utilizes the locking of fixture block locking device;
Fixture block locking device is comprised of the L-type draw-in groove on male joint b, L-type fixture block, locking sleeve b, spring b and abutment sleeve on female joint b; Locking sleeve b, spring b and abutment sleeve are installed on the face of cylinder d of male joint b, the end face b of spring b one end and locking sleeve b inwall laminating, and the other end is fitted with the end face d of abutment sleeve; Abutment sleeve has the through hole corresponding with screwed hole on the d of the face of cylinder, and handle one end is screwed in screwed hole abutment sleeve is fixed through through hole; The end face c of locking sleeve b touches with the spacing shoulder b of male joint b under spring b pushing effect, on locking sleeve b, be provided with circumferential equally distributed block, in locating slot on the spacing shoulder b of block insertion male joint b, locking sleeve b can only slide and can not turn by relative male joint b with block;
Fixture block locking connector also can be installed anti-loosing device.
The utility model has the advantages that easy and simple to handle, use safe quick connector, by peg graft locking and anti-loosing device are set, can realize quickly and safely docking of bypass valve and high pressure line, reduce labour intensity, improved processing safety and be connected operating efficiency.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by the detailed description with reference to below, can more completely understand better the utility model and easily learn wherein many advantages of following, but accompanying drawing described herein is used to provide further understanding of the present utility model, form a part of the present utility model, schematic description and description of the present utility model is used for explaining the utility model, do not form improper restriction of the present utility model, as schemed wherein:
Fig. 1 is the connection diagram of bypass valve and connector a.
Fig. 2 is steel ball locking connector structure sectional view.
Fig. 3 is male joint a structure sectional view.
Fig. 4 is female joint a structure sectional view.
Fig. 5 is locking sleeve a structure sectional view.
Fig. 6 is left yoke configurations figure.
Fig. 7 is right yoke configurations figure.
Fig. 8 is turnbarrel structure sectional view.
Fig. 9 is clip holder structure figure.
Figure 10 is locking nut structure sectional view.
Figure 11 is steel ball locking device partial sectional view.
Figure 12 is anti-loosing device partial sectional view.
Figure 13 is fixture block locking connector structure sectional view.
Figure 14 is male joint b structure chart.
Figure 15 is female joint b structure chart.
Figure 16 is locking sleeve b structure chart.
Figure 17 is fixture block locking device partial sectional view.
Figure 18 is fixture block locking connector docking schematic diagram.
Figure 19 is fixture block locking connector locking schematic diagram.
Below in conjunction with drawings and Examples, the utility model is further illustrated.
The specific embodiment
Obviously, the many modifications and variations that those skilled in the art do based on aim of the present utility model belong to protection domain of the present utility model.
Embodiment 1: a kind of quick connector, the connector that specifically can quickly and safely high pressure line be docked with drilling rod short circuit bypass valve, for improving continuous cyclic drilling operating efficiency.
With reference to figure 1, Fig. 2, Fig. 3, Fig. 4, described steel ball locking connector 3 is for connecting bypass valve 2 and high pressure line 5.Steel ball locking connector 3 is comprised of male joint a6, female joint a10, locking sleeve a7, steel ball 8, spring a9, left clip 11, right clip 12, lock pin 13, turnbarrel 14, clip seat 15 and locking nut 16 etc.One end machining screw a24 of described male joint a6, is connected with bypass valve 2, and the other end of male joint a6 is plug a25, is provided with steel ball draw-in groove 26 on plug a25; One end machining screw c35 of described female joint a10, while being connected use by union 4 and high pressure line 5, without dismounting, the other end of female joint a10 is jack a28, is provided with sealing ring a20 in jack a28; The plug a25 of male joint a6 can insert in the jack a28 of female joint a10, by the sealing ring a20 in jack a28, realize sealing, and utilize steel ball locking device to lock, realize the rapid abutting joint of bypass valve 2 and high pressure line 5, after grafting locking, utilize anti-loosing device to hold drilling rod short circuit body 1 tightly, prevent steel ball locking connector 3 accidental release.
With reference to figure 2, Fig. 3, Fig. 4, Fig. 5 and Figure 11, described steel ball locking device is by locking sleeve a7, steel ball 8 and spring a9 form, wherein steel ball 8 is placed in the installing hole 30 on female joint a10 face of cylinder a29, spring a9 is arranged on the circular bead surface b31 of female joint a10, locking sleeve a7 is enclosed within on the face of cylinder a29 of female joint a10, the circular bead surface d40 of locking sleeve a7 withstands spring a9, locking sleeve a7 is pushed against on spacing ring 21 by spring a9, spacing ring 21 is arranged in the stopper slot 37 on female joint a10 face of cylinder a29, locking sleeve a7 inwall is provided with the groove 38 with inclined-plane 39, locking sleeve a7 can slide to the direction of Compress Spring a9 under external force.The using method of steel ball locking device: locking sleeve a7 is pushed away to the direction of Compress Spring a9, until the thrust surface 41 of locking sleeve a7 touches with the spacing shoulder a32 on female joint a10, now the groove 38 of locking sleeve a7 just in time retreats to installing hole 30 positions of steel ball 8, male joint a6 plug a25 is inserted in female joint a10 jack a28, steel ball 8 is pushed in groove 38 by plug a25, male joint a6 plug a25 inserts in the jack a28 of female joint a10 smoothly, when male joint a6 circular bead surface a27 and female joint a10 circular bead surface c36 touch, steel ball draw-in groove 26 on plug a25 and the installing hole 30 of steel ball 8 be centering just in time, discharge locking sleeve a7, make locking sleeve a7 promote spring-go position next time at spring a9, inclined-plane 39 on locking sleeve a7 inboard wall groove 38 pushes steel ball 8 in the steel ball draw-in groove 26 of male joint a6 plug a25, by male joint a6 and female joint a10 secure lock, if disconnect the connection of male joint a6 and female joint a10, only need push away locking sleeve a7 to the direction of Compress Spring a9 again, when thrust surface 41 touches with spacing shoulder a32, when groove 38 retreats to installing hole 30 position of steel ball 8, the plug a25 of male joint a6 can extract from the jack a28 of female joint a10, and male joint a6 and female joint a10 depart from smoothly.
With reference to figure 2, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10 and Figure 12, described anti-loosing device is by left clip 11, right clip 12, lock pin 13, turnbarrel 14, clip seat 15 and locking nut 16 form, wherein turnbarrel 14 is enclosed within on the face of cylinder b33 of female joint a10, clip seat 15 is enclosed within on the face of cylinder c47 of turnbarrel 14, turnbarrel 14 is connected as a single entity by screw 19 with locking nut 16, clip seat 15 is limited between turnbarrel 14 circular bead surface e46 and the backup face 50 of locking nut 16, turnbarrel 14 can rotate relative to clip seat 15 with locking nut 16, locking nut 16 spins by screw thread b34 and female joint a10, the pin-and-hole b43 of left clip 11 is connected by bearing pin a17 with the pin-and-hole e48 of clip seat 15, the pin-and-hole d45 of right clip 12 is connected by bearing pin b18 with the pin-and-hole f49 of clip seat 15, the pin-and-hole a42 of left clip 11 is connected by lock pin 13 with the pin-and-hole c44 of right clip 12, left clip 11 and right clip 12 are connected as a single entity and hold drilling rod short circuit body 1 tightly.The using method of anti-loosing device: utilize lock pin 13 that left clip 11 and right clip 12 are connected as a single entity and embrace drilling rod short circuit body 1, then rotational lock nut 16, clip seat 15 is moved to the direction away from drilling rod short circuit body 1 under the promotion of turnbarrel 14 circular bead surface e46, left clip 11 and right clip 12 are held drilling rod short circuit body 1 gradually tightly, and the side wall surface of the compressive plane a22 of left clip 11 and the compressive plane b23 of right clip 12 and drilling rod short circuit body 1 fits tightly.If unclamp clip, only need be by locking nut 16 reversions, clip seat 15 is moved to the direction near drilling rod short circuit body 1 under the promotion of locking nut 16 backup faces 50, left clip 11 and right clip 12 are lax gradually, then extract lock pin 13, left clip 11 and right clip 12 smoothly with 1 disengaging of drilling rod short circuit body.
With reference to Figure 13, Figure 14, Figure 15, Figure 16, described fixture block locking connector 51 is comprised of male joint b52, female joint b53, locking sleeve b54, spring b55, abutment sleeve 56 and handle 57.Described male joint b52 one end machining screw d59, is connected with bypass valve 2, and the male joint b52 other end is plug b65, and plug b65 rear end is provided with circumferential equally distributed L-type draw-in groove 64; One end machining screw e66 of described female joint b53, by union 4 and high pressure line 5, be connected while using without dismounting, the female joint b53 other end is jack b67, and sealing ring b58 is installed in jack b67, and jack b67 front end is provided with the circumferential equally distributed L-type fixture block 68 corresponding with L-type draw-in groove 64; The plug b65 of male joint b52 can insert in the jack b67 of female joint b53, by the sealing ring b58 in jack b67, realizes sealing, and utilizes the locking of fixture block locking device, realizes the rapid abutting joint of bypass valve 2 and high pressure line 5.
With reference to Figure 13, Figure 14, Figure 15, Figure 16, Figure 17, Figure 18, Figure 19, described fixture block locking device is comprised of the L-type draw-in groove 64 on male joint b52, L-type fixture block 68, locking sleeve b54, spring b55 and abutment sleeve 56 on female joint b53.Locking sleeve b54, spring b55 and abutment sleeve 56 are installed on the face of cylinder d61 of male joint b52, the end face b70 of spring b55 one end and locking sleeve b54 inwall laminating, and the other end is fitted with the end face d73 of abutment sleeve 56; Abutment sleeve 56 is processed with the through hole 74 corresponding with screwed hole 60 on the d61 of the face of cylinder, and handle 57 one end are screwed in screwed hole 60 and make abutment sleeve 56 fixing through through hole 74; The end face c71 of locking sleeve b54 touches with the spacing shoulder b63 of male joint b52 under spring b55 pushing effect, on locking sleeve b54, be provided with circumferential equally distributed block 72, in locating slot 62 on the spacing shoulder b63 of block 72 insertion male joint b52, locking sleeve b54 can only slide and can not rotate relative to male joint b52 with block 72.The using method of fixture block locking device: L-type draw-in groove 64 centerings that make L-type fixture block 68 with the male joint b52 of female joint b53, the plug b65 of male joint b52 is inserted in the jack b67 of female joint b53, now L-type fixture block 68 is inserted in L-type draw-in groove 64 simultaneously, L-type fixture block 68 pushing blocks 72, make locking sleeve b54 slide to the direction of Compress Spring b55; When being inserted into, L-type fixture block 68 limits position, be that the end face a69 of L-type fixture block 68 and the spacing shoulder b63 of male joint b52 are when touch, female joint b53 is rotated relative to male joint b52, L-type fixture block 68 is realized engagement with L-type draw-in groove 64, now at block 72 correspondence positions, form locked groove 75, locking sleeve b54, in spring b55 effect spring-go position next time, inserts in locked grooves 75 block 72, and male joint b52 and female joint b53 are firmly locked; If male joint b52 and female joint b53 are thrown off, only need locking sleeve b54 be slided to the direction of Compress Spring b55 by external force, when block 72 exits locked groove 75, make the relative male joint b52 reversion of female joint b53, L-type fixture block 68 is removed engagement with L-type draw-in groove 64, now the plug b65 of male joint b52 can be extracted in the jack b67 of female joint b53.
As mentioned above, embodiment of the present utility model is explained, but as long as not departing from fact inventive point of the present utility model and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, within such variation is also all included in protection domain of the present utility model.

Claims (1)

1. a quick connector, is characterized in that: steel ball locking connector is comprised of male joint a, female joint a, locking sleeve a, steel ball, spring a, left clip, right clip, lock pin, turnbarrel, clip seat and locking nut; Fixture block locking connector is comprised of male joint b, female joint b, locking sleeve b, spring b, abutment sleeve and handle;
There is screw thread a male joint a one end, and screw thread a is connected with bypass valve, and the male joint a other end is plug a, is provided with steel ball draw-in groove on plug a; There is screw thread c one end of female joint a, and screw thread c is connected by union and high pressure line, and the female joint a other end is jack a, is provided with sealing ring a in jack a; The plug a of male joint a can insert in the jack a of female joint a, by the sealing ring a in jack a, realizes sealing, and utilizes the locking of steel ball locking device, after the locking of pegging graft, also can utilize anti-loosing device to hold drilling rod short circuit body tightly;
Steel ball locking device is comprised of locking sleeve a, steel ball and spring a; Steel ball is placed in the installing hole on female joint a face of cylinder a, spring a is arranged on the circular bead surface b of female joint a, locking sleeve a is enclosed within on the face of cylinder a of female joint a, the circular bead surface d of locking sleeve a withstands spring a, locking sleeve a is pushed against on spacing ring by spring a, and spacing ring is arranged in the stopper slot on female joint a face of cylinder a; Locking sleeve a inwall is provided with the groove with inclined-plane, and locking sleeve a can slide by Compress Spring a;
Anti-loosing device is comprised of left clip, right clip, lock pin, clip seat, turnbarrel and locking nut; Turnbarrel is enclosed within on the face of cylinder b of female joint a, clip cover for seat is on the c of the face of cylinder of turnbarrel, turnbarrel and locking nut are connected as a single entity by screw, clip seat is limited between turnbarrel circular bead surface e and the backup face of locking nut, turnbarrel can be to rotate relative to clip seat with locking nut, and locking nut spins by screw thread b and female joint a; The pin-and-hole b of left clip is connected by bearing pin a with the pin-and-hole e of clip seat, the pin-and-hole d of right clip is connected by bearing pin b with the pin-and-hole f of clip seat, the pin-and-hole a of left clip is connected by lock pin with the pin-and-hole c of right clip, left clip and right clip is connected as a single entity and holds drilling rod short circuit body tightly;
Fixture block locking connector: there is screw thread d male joint b one end, and screw thread d is connected with bypass valve, the male joint b other end is plug b, plug b rear end is provided with circumferential equally distributed L-type draw-in groove; There is screw thread e one end of female joint b, and screw thread e is connected by union and high pressure line, and the female joint b other end is jack b, and sealing ring b is installed in jack b, and jack b front end is provided with the circumferential equally distributed L-type fixture block corresponding with L-type draw-in groove; The plug b of male joint b can insert in the jack b of female joint b, by the sealing ring b in jack b, realizes sealing, and utilizes the locking of fixture block locking device;
Fixture block locking device is comprised of the L-type draw-in groove on male joint b, L-type fixture block, locking sleeve b, spring b and abutment sleeve on female joint b; Locking sleeve b, spring b and abutment sleeve are installed on the face of cylinder d of male joint b, the end face b of spring b one end and locking sleeve b inwall laminating, and the other end is fitted with the end face d of abutment sleeve; Abutment sleeve has the through hole corresponding with screwed hole on the d of the face of cylinder, and handle one end is screwed in screwed hole abutment sleeve is fixed through through hole; The end face c of locking sleeve b touches with the spacing shoulder b of male joint b under spring b pushing effect, on locking sleeve b, be provided with circumferential equally distributed block, in locating slot on the spacing shoulder b of block insertion male joint b, locking sleeve b can only slide and can not turn by relative male joint b with block;
Fixture block locking connector also can be installed anti-loosing device.
CN201320567656.2U 2013-09-13 2013-09-13 Rapid connector Expired - Fee Related CN203515353U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320567656.2U CN203515353U (en) 2013-09-13 2013-09-13 Rapid connector

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Application Number Priority Date Filing Date Title
CN201320567656.2U CN203515353U (en) 2013-09-13 2013-09-13 Rapid connector

Publications (1)

Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104453731A (en) * 2013-09-13 2015-03-25 中国石油天然气集团公司 Quick connector and application method
CN106764415A (en) * 2016-12-05 2017-05-31 中国计量大学 Gas cylinder snap joint plug-in and pull-off device, method and high-pressure air source equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104453731A (en) * 2013-09-13 2015-03-25 中国石油天然气集团公司 Quick connector and application method
CN106764415A (en) * 2016-12-05 2017-05-31 中国计量大学 Gas cylinder snap joint plug-in and pull-off device, method and high-pressure air source equipment
CN106764415B (en) * 2016-12-05 2019-01-25 中国计量大学 High pressure gas cylinder quick coupling plug-in and pull-off device, method and high-pressure air source equipment

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140402

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