CN201081086Y - Argon decompressor - Google Patents

Argon decompressor Download PDF

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Publication number
CN201081086Y
CN201081086Y CNU2007200749148U CN200720074914U CN201081086Y CN 201081086 Y CN201081086 Y CN 201081086Y CN U2007200749148 U CNU2007200749148 U CN U2007200749148U CN 200720074914 U CN200720074914 U CN 200720074914U CN 201081086 Y CN201081086 Y CN 201081086Y
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CN
China
Prior art keywords
decompressor
valve body
flowmeter
needle
argon gas
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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 - Lifetime
Application number
CNU2007200749148U
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Chinese (zh)
Inventor
徐洪儒
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.)
JIERUI ENTERPRISE (SHANGHAI) CO Ltd
Gentec Shanghai Corp
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JIERUI ENTERPRISE (SHANGHAI) CO Ltd
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Priority to CNU2007200749148U priority Critical patent/CN201081086Y/en
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Publication of CN201081086Y publication Critical patent/CN201081086Y/en
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Abstract

The utility model relates to an argon gas decompressor which comprises a main valve body (7), an air inlet mechanism D, an air outlet mechanism E, a decompressing mechanism A, a flowmeter B, a needle valve composite member C and a pressure gauge, etc. The argon gas decompressor is characterized in that: the flowmeter B, the decompressing mechanism A, the air outlet mechanism E, the needle valve composite member C and the air inlet mechanism D are arranged inside the same main valve body (7), and then are communicated with the flow passage L1 arranged between the air inlet mechanism D, the decompressing mechanism A and the flowmeter B, the flow passage L2 arranged between the flowmeter B and the needle valve composite member C, as well as the flow passage L3 arranged between the needle valve composite member C and the air outlet mechanism E, thereby forming a decompressing metering device capable of completing an entire process from air inlet to air outlet inside the same valve body. Because all composing mechanisms are arranged inside the main valve body, the argon gas decompressor which is designed according to the technical proposal has the advantages of small and flexible structure, small volume and light weight; moreover, the decompressor has excellent sealing effect and is not easy to leak and damage.

Description

The argon gas decompressor
Technical field
The utility model relates to a kind of gas decompression and flow control device, particularly a kind of argon gas decompressor, the usefulness of the pressure flow adjusting when being suitable for gas shielded arc welding.
Background technique
Flowmeter formula argon gas (Ar) decompressor is a kind of the bottled argon gas of high pressure (Ar) to be reduced pressure and the controlling device of flow control.
At present, market upper piston formula decompressor has following two kinds:
A kind of is the split type pressure reduction structure that flow part and piston decompression partly is divided into two precursor structures;
Another kind is that flow part and piston decompression part are opposite direction structure, i.e. two cavitys of a parent.Air-flow is to enter piston decompression cavity partly from suction tude to enter the cavity of flowtube again, and air-flow enters the output of needle-valve cavity after being opened by needle-valve.The structure of this kind argon gas decompressor is compact inadequately, does not have small and exquisite flexible, little, the lightweight characteristics of volume.
In addition, current flux meter needle-valve sealing configuration is the hard sealing of the same metal of same metal pair and the soft seal of metal pair rubber, very high during same metallic seal to the requirement on machining accuracy of parent, and the not high but rubber parts of rubber seal requirement on machining accuracy is aging easily and damage, and often keeps in repair and change Sealing.
The model utility content
The purpose of the present utility model: aim to provide and a kind ofly have that structure is small and exquisite flexibly, the little lightweight advantage of volume, and have good sealing effect and be difficult for revealing and damaging.
This argon gas decompressor, comprise: main valve body 7, the D of admission gear, air-out mechanism E, mechanism of decompressor A, flowmeter B, needle-valve assembly parts C and pressure gauge etc., it is characterized in that: described flowmeter B, mechanism of decompressor A, air-out mechanism E and needle-valve assembly parts C and the D of admission gear all are located in the same main valve body 7, and by being located at the runner L that is communicated with in this main valve body 7 between the D of admission gear and mechanism of decompressor A, the flowmeter B 1, be communicated with the runner L between flowmeter B and the needle-valve assembly parts C 2, and the runner L between connection needle-valve assembly parts C and the air-out mechanism E 3Form and to place in the same valve body, finish decompression measuring apparatus from air inlet to the overall process of giving vent to anger.
Described mechanism of decompressor A places the main valve body center portion, comprise: sealing gasket 21, push rod 18, spring 19 and O-ring seals 2, sealing gasket 21 is located in the push rod 18 lower end bottom center grooves, in establish cross-hole push rod 18 upper end bar heads be pressed in spring 19 tops, the body of rod is set in the spring 19, O-ring seals 2 is located at the body of rod outside of cross-hole intersection point top push rod 18, and other has an O-ring seals to be located at the bar head outside of push rod 18.
The described flowmeter B of mechanism comprises: pressing plate 8, stainless shot 5, flowtube 4, flowmeter outer cover 1, pressing plate 8, pad 3 and an O-ring seals 2, described flowtube 4 bottoms and the pressing plate 8 that is provided with a band center hole, stainless shot 5 is being shelved on the top at this pressing plate center, and the bottom of center sky is then through the central passage and the runner L that is connected the D of admission gear of press mechanism A 1Be communicated with; And be screwed into one by flowmeter outer cover 1 and main valve body 7 inner chambers.
Described needle-valve assembly parts C comprises: knob 14, clamping washer 15, clamping washer 15, thin nut 16, needle-valve 11, O-ring seals 2 and locking nut 13, described needle-valve 11 had not only linked to each other simultaneously with the delivery outlet of metrological service by a runner L2 but also the runner L3 through being located at needle 11 outlet ports is connected with hose coupling 23 among the air-out mechanism E; And by a level of the 13 affixed main valve bodies 7 of the locking nut in the component parts in a valve pocket.
Described air-out mechanism E constitutes by being located at the hose coupling 23 that props up in the valve pocket main valve body bottom, and is fastenedly connected through a locking nut and main valve body and is integral.
The described D of admission gear is made of suction tude 24 that is provided with filter screen 26 in the tube chamber and the attaching nut that fixes both, and is screwed into one through the suction tude the other end and main valve body 7.
Establish a safety valve that is connected with suction tude 24 on the described main valve body 7, safety valve is made up of pressure release screw 27, spring 28 and pressure releasing valve core 29, and a pressure gauge 30 is set on suction tude 24.
According to this argon gas decompressor of above technological scheme design, all be arranged in the main valve body owing to all are formed mechanisms, so structure is small and exquisite flexibly, the little lightweight advantage of volume, and has good sealing effect and difficult the leakage and damage.
Description of drawings
Fig. 1 is an overall structure schematic representation of the present utility model;
Fig. 2 is the utility model internal structure schematic representation;
Fig. 3 is that the AA of Fig. 2 is to sectional view;
Fig. 4 is the I portion enlarged view of Fig. 2;
Fig. 5 is the II portion enlarged view of Fig. 3.
Among the figure: the 1-flowmeter outer cover 2-O shape sealing ring 3-pad 4-flowtube 5-stainless shot 7-main valve body 8-metering orifice pressing plate 11-needle-valve 13-locking nut 14-needle-valve knob 15-spring washer 16-thin nut 18-push rod 19-spring 21-sealing gasket 22-collar nut 23-hose coupling 24-air inlet pipe 25-attaching nut 26-screen pack 27-pressure release screw 28-spring 29-pressure releasing valve core 30-Pressure gauge A-mechanism of decompressor B-flowmeter C-needle-valve sub-assembly D-E-of admission gear air-out mechanism L1-runner L 2-runner L 3-runner.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
This argon gas decompressor shown in Fig. 1,2,3,4 and 5, comprise: main valve body 7, the D of admission gear, air-out mechanism E, mechanism of decompressor A, flowmeter B, needle-valve assembly parts C and pressure gauge etc., described flowmeter B, mechanism of decompressor A, air-out mechanism E and needle-valve assembly parts C and the D of admission gear all are located in the same main valve body 7, and by being located at the runner L that is communicated with in this main valve body 7 between the D of admission gear and mechanism of decompressor A, the flowmeter B 1Be communicated with the runner L between flowmeter B and the needle-valve assembly parts C 2And the runner L between connection needle-valve assembly parts C and the air-out mechanism E 3Composition places in the same valve body, the decompression measuring apparatus of realization from air inlet to the overall process of giving vent to anger.
Described mechanism of decompressor A places the center portion of main valve body 7, comprise: sealing gasket 21, push rod 18, spring 19 and O-ring seals 2, sealing gasket 21 is located in the push rod 18 lower end bottom center grooves, in establish cross-hole push rod 18 upper end bar heads be pressed in spring 19 tops, the body of rod is set in the spring 19, O-ring seals 2 is located at the body of rod outside of cross-hole intersection point top push rod 18, and other has an O-ring seals to be located at the bar head outside of push rod 18.
The described flowmeter B of mechanism comprises: pressing plate 8, stainless shot 5, flowtube 4, flowmeter outer cover 1, pad 3 and an O-ring seals 2, described flowtube 4 bottoms are provided with the pressing plate 8 of a band center hole, stainless shot 5 is being shelved on the top at this pressing plate center, and the bottom of center hole is then through the central passage and the runner L that is connected the D of admission gear of mechanism of decompressor A 1Be communicated with; And be screwed into one by flowmeter outer cover 1 and main valve body 7 inner chambers.
Described needle-valve assembly parts C comprises: knob 14, clamping washer 15, nut 16, needle-valve 11, O-ring seals 2 and locking nut 13, described needle-valve 11 are both by a runner L 2Link to each other with the delivery outlet of flowmeter B, simultaneously again through being located at the runner L in needle 11 outlet ports 3Be connected with the hose coupling 23 among the air-out mechanism E; And a level that is fixed in main valve body 7 by the locking nut in the component parts 13 is in a valve pocket.
Described air-out mechanism E constitutes by being located at the hose coupling 23 that props up in the valve pocket main valve body bottom, and is fastenedly connected through a Female connector fittings 22 and main valve body and is integral.
The described D of admission gear is made of suction tude 24 that is provided with filter screen 26 in the tube chamber and the air inlet nut 25 of fixing both, and is screwed into one through the suction tude the other end and main valve body 7.
Establish a safety valve that is connected with suction tude 24 on the described main valve body 7, safety valve is made up of pressure release screw 27, spring 28 and pressure releasing valve core 29, and a pressure gauge 30 is set on suction tude 24.
In addition, in the technical program, adopt two kinds of different metallic material to seal with the sealing between flowmeter, the main valve body, both prevented the phenomenon easy to wear of existence when metallic material of the same race seals, the working life of also improving whole device at needle-valve.
The working principle of the utility model argon gas decompressor is as follows:
Air inlet nut 25 is fastened on the argon bottle, opens argon bottle, and air communication enters pressure gauge 30 when crossing filter screen 26 and suction tude 24 inlet valve bodies 7, to show the pressure value in the argon bottle.Enter in the valve body 7 and enter mechanism of decompressor A through sealing gaskets 21, decompression process be by push rod 18, spring 19 prevent the O-ring seals 2 that leaks and under the assistance of push rod the size according to air pressure move up and down, to reach the order ground of decompression.With the safety valve in addition that decompressor is communicated with, safety valve is provided with for the safety of the person and equipment.Post-decompression air communication is crossed valve body and is entered flowmeter B, stainless shot 5 in this mechanism is under the effect of air-flow, size according to throughput fluctuates in graduated flowtube 4, with the sign flow number, by the metering air-flow below explosion-proof pad 3, O-ring seals 2, the flowtube top that has scale value exactly has the hole of two symmetries to enter in the flowtube outer cover 1, air communication is crossed valve body and is entered needle-valve assembly parts C in the gas flow control system, and regulates the size that output flow is controlled in gaps through needle-valve knob 14.The outside excessively hose coupling 23 of last air communication carries argon gas to using system.
This decompressor compact structure, volume are little, machining and assembling are easy.
Though the utility model is described with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, should understand and wherein can make variations and modifications and do not break away from the utility model in a broad sense, so be not that conduct is to qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of the utility model claims the above embodiment's variation, distortion.

Claims (8)

1. argon gas decompressor, comprise: main valve body (7), the D of admission gear, air-out mechanism E, mechanism of decompressor A, flowmeter B, needle-valve assembly parts C and pressure gauge etc., it is characterized in that: described flowmeter B, mechanism of decompressor A, air-out mechanism E and needle-valve assembly parts C and the D of admission gear all are located in the same main valve body (7), and by being located at the runner L that is communicated with in this main valve body (7) between the D of admission gear and mechanism of decompressor A, the flowmeter B 1Be communicated with the runner L between flowmeter B and the needle-valve assembly parts C 2And the runner L between connection needle-valve assembly parts C and the air-out mechanism E 3Form and finish in the same valve body by the decompression measuring apparatus of air inlet to the overall process of giving vent to anger.
2. argon gas decompressor as claimed in claim 1, it is characterized in that: described mechanism of decompressor A places the center portion of main valve body (7), comprise: sealing gasket (21), push rod (18), spring (19) and O-ring seals (2), sealing gasket (21) is located in push rod (18) the lower end bottom center groove, in establish cross-hole push rod (18) upper end bar head be pressed in spring (19) top, the body of rod is set in the spring (19), O-ring seals (2) is located at the body of rod outside of cross-hole intersection point top push rod (18), and O-ring seals (2) is located at the bar head outside of push rod (18).
3. argon gas decompressor as claimed in claim 1, it is characterized in that: the described flowmeter B of mechanism comprises: pressing plate (8), Stainless Steel Ball (5), flowtube (4), flowmeter outer cover (1), pad (3) and O-ring seals (2), described flowtube (4) bottom is provided with the pressing plate (8) of a band center hole, the central upper of this pressing plate is being shelved stainless shot (5), and the bottom of center hole is then through the central passage and the runner L that is connected the D of admission gear of mechanism of decompressor A 1Be communicated with; And be screwed into one by flowmeter outer cover (1) and main valve body 7 inner chambers.
4. argon gas decompressor as claimed in claim 1, it is characterized in that: described needle-valve assembly parts C comprises: knob (14), clamping washer (15), thin nut (16), needle-valve (11), O-ring seals (12) and locking nut (13), described needle-valve (11) are both by a runner L 2Link to each other with the delivery outlet of metrological service, simultaneously again through being located at the runner L in needle (11) outlet port 3Be connected with the hose coupling (23) among the air-out mechanism E; And a level that is fixed in main valve body (7) by the locking nut in the component parts (13) is in a valve pocket.
5. argon gas decompressor as claimed in claim 1 is characterized in that: establish a safety valve that is connected with suction tude (24) on the described parent (7), safety valve is made up of pressure release screw (27), spring (28) and pressure releasing valve core (29).
6. argon gas decompressor as claimed in claim 1 is characterized in that: described air-out mechanism E constitutes by being located at the hose coupling (23) that props up in the valve pocket main valve body bottom, and is fastenedly connected through a Female connector fittings (22) and main valve body and is integral.
7. argon gas decompressor as claimed in claim 1, it is characterized in that: the described D of admission gear is made of suction tude that is provided with filter screen (26) in the tube chamber (24) and the air inlet nut (25) of fixing both, and is screwed into one through the suction tude the other end and main valve body (7).
8. argon gas decompressor as claimed in claim 1 is characterized in that: described parent (7) is provided with a pressure gauge (30) that is connected with suction tude (24).
CNU2007200749148U 2007-09-21 2007-09-21 Argon decompressor Expired - Lifetime CN201081086Y (en)

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Application Number Priority Date Filing Date Title
CNU2007200749148U CN201081086Y (en) 2007-09-21 2007-09-21 Argon decompressor

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Application Number Priority Date Filing Date Title
CNU2007200749148U CN201081086Y (en) 2007-09-21 2007-09-21 Argon decompressor

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102116411B (en) * 2009-12-30 2014-02-26 林建州 Gas decompressor
CN102116412B (en) * 2009-12-30 2014-02-26 林建州 Dual-stage gas decompressor
CN104373643A (en) * 2014-11-10 2015-02-25 徐春 High pressure-to-low pressure air inflation nozzle
CN105370942A (en) * 2015-12-21 2016-03-02 陈亚炯 Gas decompression device
CN105370943A (en) * 2015-12-21 2016-03-02 陈亚炯 Device for conducting decompression on gas
CN105402450A (en) * 2015-12-21 2016-03-16 陈亚炯 Gas pressure reducer
CN105422931A (en) * 2015-12-21 2016-03-23 陈亚炯 Anti-explosion gas regulator
CN105605265A (en) * 2015-12-21 2016-05-25 陈亚炯 Device for reducing pressure of gas
CN115435123A (en) * 2022-07-15 2022-12-06 宁波隆兴焊割科技股份有限公司 High-pressure reducer with adjustable exhaust flow

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102116411B (en) * 2009-12-30 2014-02-26 林建州 Gas decompressor
CN102116412B (en) * 2009-12-30 2014-02-26 林建州 Dual-stage gas decompressor
CN104373643A (en) * 2014-11-10 2015-02-25 徐春 High pressure-to-low pressure air inflation nozzle
CN105370942A (en) * 2015-12-21 2016-03-02 陈亚炯 Gas decompression device
CN105370943A (en) * 2015-12-21 2016-03-02 陈亚炯 Device for conducting decompression on gas
CN105402450A (en) * 2015-12-21 2016-03-16 陈亚炯 Gas pressure reducer
CN105422931A (en) * 2015-12-21 2016-03-23 陈亚炯 Anti-explosion gas regulator
CN105605265A (en) * 2015-12-21 2016-05-25 陈亚炯 Device for reducing pressure of gas
CN105422931B (en) * 2015-12-21 2017-12-29 如东县燕川供水服务有限公司 A kind of protected against explosion gas pressure reducer
CN105605265B (en) * 2015-12-21 2018-04-06 何淑琼 A kind of device for being depressurized to gas
CN105370943B (en) * 2015-12-21 2018-04-20 何淑琼 A kind of device depressurized to gas
CN108036090A (en) * 2015-12-21 2018-05-15 段锐东 A kind of device depressurized to gas
CN108223861A (en) * 2015-12-21 2018-06-29 段锐东 A kind of device depressurized to gas
CN108253168A (en) * 2015-12-21 2018-07-06 段锐东 A kind of device depressurized to gas
CN108223861B (en) * 2015-12-21 2019-11-29 浙江飞挺机械股份有限公司 The device that a kind of pair of gas is depressurized
CN108036090B (en) * 2015-12-21 2019-11-29 台州芮迪阀门股份有限公司 The device that a kind of pair of gas is depressurized
CN108253168B (en) * 2015-12-21 2019-11-29 浙江雅迅眼镜科技有限公司 The device that a kind of pair of gas is depressurized
CN115435123A (en) * 2022-07-15 2022-12-06 宁波隆兴焊割科技股份有限公司 High-pressure reducer with adjustable exhaust flow

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Granted publication date: 20080702

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