CN105909901A - Rapid connector - Google Patents

Rapid connector Download PDF

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Publication number
CN105909901A
CN105909901A CN201610242860.5A CN201610242860A CN105909901A CN 105909901 A CN105909901 A CN 105909901A CN 201610242860 A CN201610242860 A CN 201610242860A CN 105909901 A CN105909901 A CN 105909901A
Authority
CN
China
Prior art keywords
cylinder
piston
claw
air inlet
gas
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
CN201610242860.5A
Other languages
Chinese (zh)
Inventor
李宏超
王永泉
吴琼
宋秋桦
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.)
Langfang Jinrun Electric Co Ltd
Original Assignee
Langfang Jinrun Electric 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 Langfang Jinrun Electric Co Ltd filed Critical Langfang Jinrun Electric Co Ltd
Priority to CN201610242860.5A priority Critical patent/CN105909901A/en
Publication of CN105909901A publication Critical patent/CN105909901A/en
Pending legal-status Critical Current

Links

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
    • F16L37/28Couplings of the quick-acting type with fluid cut-off means
    • 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
    • F16L37/62Couplings of the quick-acting type pneumatically or hydraulically actuated

Abstract

The invention discloses a rapid connector comprising the following elements: a claw; a cylinder with a first end having a total air inlet and a second end having the claw; a piston arranged in the cylinder so as to drive the claw to axially move along the cylinder; a first gas channel filled with pressure gas, wherein the pressure gas is used for driving the piston to move to the second end of the cylinder; a second gas channel filled with pressure gas, wherein the pressure gas is used for driving the piston to move to the first end of the cylinder, and filling pressure gas into a to-be-tested part when the claw is connected with the to-be-tested part; a valve used for allowing the total air inlet to switch between the first and second gas channels. The rapid connector uses the valve to enable the total air inlet to switch between the first and second gas channels, so the pressure gas of the same gas filled tube connected with the total air inlet can drive the claw (to connect with the to-be-tested part), and the to-be-tested part can be filled with gas.

Description

Quick connector
Technical field
The present invention relates to a kind of for inflating to part to be measured to check the bubble-tight quick connection of part to be measured Device.
Background technology
Generally, in order to the empty interacvity air-filling of part to be measured to check its air-tightness, staff need exist The outlet side (inlet end of gas tube connects air pump) of gas tube connects an adapter, and this adapter can Being tightly connected the gas-charging connection of part to be measured, adapter generally uses with gas-charging connection to threaded and (inflates Joint is that externally threaded title external screw thread connects, and now adapter becomes external screw thread adapter, and gas-charging connection is The title female thread of female thread connects, and now adapter becomes inner thread connector), traditional screw thread coupling It is connected with gas-charging connection by screwing, this screw thread coupling and gas-charging connection connection procedure time and effort consuming, and Easily because screwing infringement black box.It is connected with the fast thread of gas-charging connection for making adapter realize, as Shown in Fig. 1, prior art occurs in that a kind of screw thread coupling, this screw thread coupling include cylinder body 200, Handle 100, claw 600, actuator 300 and mandrel 400;Claw 600 is surrounded by multiple clamping lobes, And be arranged on one end of cylinder body 200, and claw 600 is at least partially extend in cylinder body 200, handle 100 It is arranged on cylinder body 200 other end, mandrel 600 and actuator 300 to be arranged in cylinder body 200, and passes through Handle 100 drives actuator 300, claw 600 under the driving of actuator 300 at the axle of cylinder body 200 Move up that (if adapter is inner thread connector, the endoporus of claw 600 offers screw thread, handle 100 First claw 600 is driven to increase overhang so as to insert in the endoporus of gas-charging connection, then handle 100 Drive claw 600 to reduce overhang and mandrel 400 forces claw 600 swelling;If adapter is external screw thread Adapter, the periphery of claw 600 offers screw thread, and first handle 100 drives claw 600 increase to stretch out Amount so as to cladding gas-charging connection periphery, then handle 100 drive claw 600 reduce overhang with Just cylinder body 200 is made to force claw 600 to be tightly coated with gas-charging connection) so that claw 600 and part to be measured Gas-charging connection threaded, then by leading to the gas passage of part to be measured from air-filled pore to be measured zero Inflation in part.
Although above-mentioned screw thread coupling is capable of being connected with the quick of gas-charging connection, but claw and inflation The mechanical force being to be carried out by handle mode that moves axially of the screwing process of joint, i.e. claw is driven, So certainly will expend the muscle power of user, and when in order to meet threaded steadiness, driving claw Mechanical force needs to be arranged to very greatly, consequently, it is possible to cause user cannot pull the result of handle.
Summary of the invention
The above-mentioned technical problem existed for adapter of the prior art, the invention provides one can The quick connector being connected with part to be measured by pneumatic realization and inflate to part to be measured.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of quick connector, including claw, also includes: cylinder body, its first end offers total air inlet, Second end is equiped with described claw;Piston, is arranged in described cylinder body and described claw can be driven along institute State moving axially of cylinder body;First gas passage, its interior pressed gas is used for driving described piston towards institute The second end stating cylinder body moves;Second gas passage, its interior pressed gas is used for driving described piston court First end of described cylinder body moves, and after described claw is connected with part to be measured in described part to be measured Stuffing pressure gas;And valve member, it is used for making described total air inlet connect with described first gas passage And switch between connecting with described second gas passage.
Preferably, described valve member is the body being set on described cylinder body, and described body encloses with described cylinder body Become an airtight space, described cylinder body offers and connects the first of described total air inlet and described space and lead Pore, described body has primary importance and the second position, institute relative to the axial of described cylinder body or circumference State and be formed with the first air inlet connected with described first gas passage on the periphery of cylinder body and with described Second air inlet of two gas passage connections;And when described body is in described primary importance, described One air inlet connects with described space and described second passage and described space disconnect, at described body When the described second position, described second air inlet connects and described first air inlet and institute with described space State space to disconnect.
Preferably, described space is the annular space of the two ends closure that described body surrounds with described cylinder body, Described primary importance and the described second position are the described body two positions in the axial direction of described cylinder body, And described first air inlet and described second air inlet are spaced setting with when described in the axial direction of described cylinder body When body moves to described primary importance, described first air inlet connects with described annular space, when described When body moves to the described second position, described second air inlet connects with described annular space.
Preferably, the axial distance between described first air inlet and described second air inlet is more than described ring Shape space length in the axial direction.
Preferably, described piston to cylinder body described in major general be divided near described first end the first air cavity and Near the second air cavity of described second end, described first gas passage is formed adjacent to the first of described cylinder body Inside the entity of end, and described first gas passage connects with described first air cavity so that working as at described body When primary importance, pressed gas enters described first air cavity and promotes described piston towards the second of described cylinder body End is mobile.
Preferably, described claw is at least partially disposed in described second air cavity, and the endoporus of described claw passes through Gap between the clamping lobe of claw connects with described second air cavity, and described second gas passage is with described The endoporus of claw connects with when described body is in the second position, and pressed gas respectively enters described claw Endoporus in part to be measured in stuffing pressure gas and described second air cavity to promote described piston to described First end moves.
Preferably, described piston has first piston and the second piston, described first air cavity of fixing connection Between described first piston and the first end of described cylinder body, described second air cavity is positioned at described second and lives Between plug and the second end of described cylinder body.
Preferably, dividing plate, described first piston it are provided with between described first piston and described second piston Be formed with the axle sleeve wearing described dividing plate towards described second end, described second piston overlaps in a fixed manner Being located on described axle sleeve, described claw is arranged on the end of described axle sleeve.
Preferably, also include that one end is fixed with described cylinder body, the other end wear successively described first piston and Described axle sleeve and the mandrel in stretching into the endoporus of described claw, be formed between described mandrel and described axle sleeve The annulus connected with the endoporus of claw, described first piston is offered respectively with described annulus and Second gas port of described second air inlet connection, described second gas passage at least includes described annulus Gap and described second gas port.
Preferably, inducing QI chamber, described second air inlet it are formed with between described first piston and described dividing plate Connect with described inducing QI chamber, described second gas port and described inducing QI chamber.
Compared with prior art, the quick connector of the present invention provides the benefit that: the present invention quickly connects Connecing device makes total air inlet between connecting with the first gas passage and connecting with the second gas passage by valve member Switching, thus utilize the pressed gas in the same gas tube being connected with total air inlet can realize claw Driving (drive claw connect part to be measured) and inflate to part to be measured.
Accompanying drawing explanation
Fig. 1 is the structural representation of quick connector of the prior art;
Fig. 2 is the structural representation being in installment state of the quick connector of the present invention;
Fig. 3 is the structural representation being in inflated condition of the quick connector of the present invention.
In figure:
10-cylinder body;The total air inlet of 11-;12-the first gas port;13-the first air inlet;14-the second air inlet Hole;15-the first gas passage;20-claw;31-first piston;311-the second gas port;32-second Piston;33-axle sleeve;40-mandrel;50-body;60-annular space;70-annulus;80-inducing QI Chamber;91-the first air cavity;92-the second air cavity;101-part to be measured;102-dividing plate.
Detailed description of the invention
For making those skilled in the art be better understood from technical scheme, below in conjunction with the accompanying drawings and tool The present invention is elaborated by body embodiment.
As shown in Figures 2 and 3, the preferred embodiments of the present invention provide a kind of quick connector, and this is fast Speed adapter include claw 20, cylinder body 10, piston, first gas passage the 15, second gas passage with And valve member.Cylinder body 10 can be integrated formed structure, it is also possible to the combinative structure connected for multistage, claw 20 the second ends being arranged on cylinder body 10, and equal with set-up mode and the working method of claw in prior art Identical, the first end at cylinder body 10 offers total air inlet 11 vertically, and (certainly, total air inlet 11 can To offer along multiple directions);It is internal that piston is arranged on cylinder body 10, and is directly or indirectly connected with claw 20 To drive claw 20 moving axially along cylinder body 10;First gas passage 15 can be by being positioned at outside cylinder body 10 The pipeline in portion is formed or to be formed at cylinder body 10 internal, in the first gas passage 15 by total air inlet 11 The pressed gas provided is for driving piston to move towards the second end of cylinder body 10, so that piston driving claw 20 the second end of cylinder body 10 overhang increase to be connected with part 101 to be measured;Second gas leads to It is internal that road also can be formed or be formed at cylinder body 10 by the pipeline being positioned at outside cylinder body 10, the second gas passage In the pressed gas provided by total air inlet 11 for driving piston to move towards the first end of cylinder body 10, So that piston driving claw 20 reduces at the overhang of the second end of cylinder body 10, and then make claw 20 and treat Survey part 101 connect more firm and realize seal, and the second gas passage be additionally operable to claw 20 Stuffing pressure gas in the part to be measured 101 being tightly connected;Valve member is used for making total air inlet 11 with first Gas passage 15 connects and switches between the connection of the second gas passage, i.e. valve member can make total air inlet 11 when connecting with the first gas passage 15, and total air inlet 11 and the second gas passage disconnect, total air inlet 11 when connecting with the second gas passage, and total air inlet 11 disconnects with the first gas passage 15.
From the foregoing, the quick connector of the present invention different from quick connector of the prior art it Place is: the change of the overhang of the claw 20 of quick connector of the prior art is by manually passing through handle Operation completes, and the change of the overhang of the claw 20 of the quick connector of the present invention is by the first gas passage 15 and second pressed gas in gas passage and control the valve member that pressed gas flows to and jointly complete.This The quick connector of invention can reduce the labor intensity of operator.
The structure of the valve member being capable of above-mentioned functions can have multiple, e.g., if the first gas passage 15 Being to be arranged on the pipeline outside cylinder body 10 with the second gas passage, valve member can be the two-way switch of connecting line Valve, as shown in Figures 2 and 3, in a preferred embodiment of the invention, valve member is for being set in cylinder body Body 50 on 10, body 50 and cylinder body 10 surround an airtight space, the company of offering on cylinder body 10 Logical total air inlet 11 and first gas port 12 in described space, body 50 is axial relative to cylinder body 10 Or circumference has primary importance and the second position, the periphery of cylinder body 10 is formed and the first gas passage 15 the first air inlets 13 connected and the second air inlet 14 connected with the second gas passage;And when set When body 50 is in primary importance, the first air inlet 13 connects with space and the second air inlet 14 breaks with space Opening, when body 50 is in the second position, the second air inlet 14 connects and the first air inlet 13 with space Disconnect with space.
From the foregoing, the body 50 as valve member can rotate or move axially change and the first gas leads to Road 15 and the on off operating mode of the second gas passage.If valve member is capable of its function by rotation, need to be made One air inlet 13 and the second air inlet 14 are positioned at the same cross section of cylinder body 10, and have certain in the circumferential Distance (or radian), the airtight space that body 50 and cylinder body 10 surround can not be along the circumference of cylinder body 10 Through, can not be i.e. the space of annular.
In a preferred embodiment of the invention, valve member realizes its function by moving axially, body 50 The annular space that airtight space is the two ends closure that body 50 surrounds with cylinder body 10 surrounded with cylinder body 10 60, primary importance and the second position are the body 50 two positions in the axial direction of cylinder body 10, and first Air inlet 13 and the second air inlet 14 are spaced setting to move to when body 50 in the axial direction of cylinder body 10 During primary importance, the first air inlet 13 connects with annular space 60, when body 50 moves to the second position Time, the second air inlet 14 connects with annular space 60.
For preventing in the whole moving process of body 50, the first air inlet 13 and the second air inlet 14 occurs Situation about simultaneously connecting with annular space 60 occurs, and makes between the first air inlet 13 and the second air inlet 14 Axial distance more than annular space 60 length in the axial direction.So, body 50 is in whole axial shifting During Dong, annular space 60 can only connect with in the first air inlet 13 and the second air inlet 14.
In a preferred embodiment of the invention, the first gas passage 15 is formed at the inside of cylinder body 10, Specifically, piston to major general's cylinder body 10 is divided near the first air cavity 91 of the first end with near the second end The second air cavity 92, the first gas passage 15 is formed adjacent to inside the entity of the first end of cylinder body 10, Its one end connects with the first air inlet 13, and its second end and the first air cavity 91 connect, and so, work as body 50 when being in primary importance, and pressed gas, through the first gas port 12, enters annular space 60, then through the One air inlet 13 enters the first gas passage 15 and enters the first air cavity 91, and pressed gas is at the first air cavity Piston is promoted to move towards the second end of cylinder body 10 in 91.
In a preferred embodiment of the invention, the second gas passage is formed at the inside of cylinder body 10, and And make claw 20 be at least partially disposed in the second air cavity 92, the endoporus of claw 20 folder by claw 20 The gap held between lobe connects with the second air cavity 92, and the second gas passage connects with the endoporus of claw 20. So, when body 50 is in the second position, pressed gas enters through the first gas port 12, enters ring Shape space 60, then through the second air inlet 14 enter the second gas passage and by the clamping lobe of claw 20 it Between gap enter the second air cavity 92, pressed gas promotes piston towards cylinder body 10 in the second air cavity 92 First end moves, and is filled to part 101 to be measured by the endoporus of claw 20.
As further preferably, piston has first piston 31 and second piston 32 of fixing connection, the One air cavity 91 is between first piston 31 and the first end of cylinder body 10, and the second air cavity 92 is positioned at second Between piston 32 and the second end of cylinder body 10.Be provided with between first piston 31 and the second piston 32 every Plate 102, first piston 31 is formed towards the second end and wears dividing plate 102 and stretch into the second air cavity 92 Axle sleeve 33, the second piston 32 is set on axle sleeve 33 in a fixed manner, the endoporus of claw 20 afterbody Offering annular slot, be formed with annular protrusion on the periphery of the end of axle sleeve 33, convex annular card lifting sets To realize the connection of claw 20 and axle sleeve 33 in annular slot.
As further preferably, the second gas passage is formed as follows: one end of a mandrel 40 and cylinder Body 10 is threaded, and the other end wears first piston 31 and axle sleeve 33 successively and stretches into the interior of claw 20 Kong Zhong, mandrel 40 diameter is less than the diameter of axle sleeve 33 endoporus so that being formed between axle sleeve 33 and mandrel 40 There is the annulus 70 that the endoporus with claw 20 connects, radially offer the to the entity of first piston 31 Two gas ports 311, annulus 70, first piston 31 and dividing plate are led in this second gas port 311 one end Being formed with inducing QI chamber 80 between 102, the other end of the second gas port 311 leads to inducing QI chamber 80, and second enters Pore 14 leads to inducing QI chamber 80, and then is connected with the second gas port 311 by inducing QI chamber 80.Thus may be used Knowing, the second gas passage is formed by inducing QI chamber the 80, second gas port 311 and annulus 70, this The quick connector of invention utilizes and forms the second gas in the gap physically offered between passage and entity Passage, generation type is various, and makes gas flowing smooth and easy.
Can be seen by the effect of the first gas passage 15 and the generation type of the second gas passage and valve member Going out, the quick connector designs of the present invention is ingenious, easy to use.
Above example is only the exemplary embodiment of the present invention, is not used in the restriction present invention, the present invention's Protection domain is defined by the claims.Those skilled in the art can be at the essence of the present invention and protection model In enclosing, the present invention making various amendment or equivalent, this amendment or equivalent also should be regarded as Within the scope of the present invention.

Claims (10)

1. a quick connector, including claw, it is characterised in that also include:
Cylinder body, its first end offers total air inlet, and the second end is equiped with described claw;
Piston, is arranged in described cylinder body and can drive described claw moving axially along described cylinder body;
First gas passage, its interior pressed gas is for driving described piston towards the second end of described cylinder body Mobile;
Second gas passage, its interior pressed gas is for driving described piston towards the first end of described cylinder body Mobile, and after described claw is connected with part to be measured in described part to be measured stuffing pressure gas;With And
Valve member, be used for making described total air inlet connect with described first gas passage and with described second gas Switch between body channel connection.
Quick connector the most according to claim 1, it is characterised in that described valve member is for being set in Body on described cylinder body, described body and described cylinder body surround an airtight space, described cylinder body are opened Being communicated with first gas port in described total air inlet and described space, described body is relative to described cylinder body Axially or circumference has primary importance and the second position, the periphery of described cylinder body is formed and described the First air inlet of one gas passage connection and the second air inlet of connecting with described second gas passage; And when described body is in described primary importance, described first air inlet connects with described space and described Second passage disconnects with described space, and when described body is in the described second position, described second enters Pore connects with described space and described first air inlet disconnects with described space.
Quick connector the most according to claim 2, it is characterised in that described space is described set The annular space of the two ends closure that body and described cylinder body surround, described primary importance and the described second position are The described body two positions in the axial direction of described cylinder body, and described first air inlet and described second enters Pore is spaced setting with when described body moves to described primary importance in the axial direction of described cylinder body, institute State the first air inlet to connect with described annular space, when described body moves to the described second position, institute State the second air inlet to connect with described annular space.
Quick connector the most according to claim 3, it is characterised in that described first air inlet with Axial distance between described second air inlet is more than described annular space length in the axial direction.
Quick connector the most according to claim 3, it is characterised in that described piston to major general institute State cylinder body and be divided into the first air cavity near described first end and the second air cavity near described second end, institute State the first gas passage to be formed adjacent to inside the entity of the first end of described cylinder body, and described first gas Passage connects with described first air cavity so that when described body is in primary importance, pressed gas enters institute Stating the first air cavity promotes described piston to move towards the second end of described cylinder body.
Quick connector the most according to claim 5, it is characterised in that described claw is at least part of Being positioned at described second air cavity, the endoporus of described claw passes through the gap between the clamping lobe of claw with described Second air cavity connects, and described second gas passage connects with the endoporus of described claw with at described body When the second position, pressed gas respectively enters the endoporus of described claw stuffing pressure gas in part to be measured To promote described piston to move to described first end in body and described second air cavity.
Quick connector the most according to claim 6, it is characterised in that described piston has fixing The first piston connected and the second piston, described first air cavity is positioned at described first piston and described cylinder body Between first end, described second air cavity is between described second piston and the second end of described cylinder body.
Quick connector the most according to claim 7, it is characterised in that described first piston and institute State and between the second piston, be provided with dividing plate, described first piston be formed towards described second end wear described The axle sleeve of dividing plate, described second piston is set on described axle sleeve in a fixed manner, and described claw is arranged End at described axle sleeve.
Quick connector the most according to claim 8, it is characterised in that also include that one end is with described Cylinder body is fixed, and the other end wears described first piston and described axle sleeve successively and stretches into the endoporus of described claw In mandrel, be formed with the annulus that the endoporus with claw connects between described mandrel and described axle sleeve, The second inducing QI connected respectively is offered with described annulus and described second air inlet on described first piston Hole, described second gas passage at least includes described annulus and described second gas port.
Quick connector the most according to claim 9, it is characterised in that described first piston and Being formed with inducing QI chamber between described dividing plate, described second air inlet connects with described inducing QI chamber, and described second Gas port and described inducing QI chamber.
CN201610242860.5A 2016-04-19 2016-04-19 Rapid connector Pending CN105909901A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610242860.5A CN105909901A (en) 2016-04-19 2016-04-19 Rapid connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610242860.5A CN105909901A (en) 2016-04-19 2016-04-19 Rapid connector

Publications (1)

Publication Number Publication Date
CN105909901A true CN105909901A (en) 2016-08-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610242860.5A Pending CN105909901A (en) 2016-04-19 2016-04-19 Rapid connector

Country Status (1)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3291442A (en) * 1964-07-27 1966-12-13 Stile Craft Mfg Inc Gas or vacuum-operated couplings
WO1984002566A1 (en) * 1982-12-23 1984-07-05 Erwin Weh Plug coupling
US5950679A (en) * 1998-02-10 1999-09-14 Fastest, Inc. High pressure plug coupling
CN102272507A (en) * 2008-11-27 2011-12-07 卡特彼勒作业机具有限公司 extendable pressurized fluid coupler
CN204756245U (en) * 2015-05-12 2015-11-11 廊坊金润电气有限公司 Female connection ware
CN205716167U (en) * 2016-04-19 2016-11-23 廊坊金润电气股份有限公司 Quick connector

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3291442A (en) * 1964-07-27 1966-12-13 Stile Craft Mfg Inc Gas or vacuum-operated couplings
WO1984002566A1 (en) * 1982-12-23 1984-07-05 Erwin Weh Plug coupling
US5950679A (en) * 1998-02-10 1999-09-14 Fastest, Inc. High pressure plug coupling
CN102272507A (en) * 2008-11-27 2011-12-07 卡特彼勒作业机具有限公司 extendable pressurized fluid coupler
CN204756245U (en) * 2015-05-12 2015-11-11 廊坊金润电气有限公司 Female connection ware
CN205716167U (en) * 2016-04-19 2016-11-23 廊坊金润电气股份有限公司 Quick connector

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Address after: 065000 Langfang City, Hebei Province Economic Development Zone Chang Xiang Guangyang Road, South Road East 100

Applicant after: Langfang Jin run electric Limited by Share Ltd

Address before: 065001 Langfang city in Hebei Province Road Development Zone, the new Austrian Yaohua Industrial Co. Ltd. North hi tech

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Application publication date: 20160831