CN102116411B - Gas decompressor - Google Patents
Gas decompressor Download PDFInfo
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- CN102116411B CN102116411B CN200910265370.7A CN200910265370A CN102116411B CN 102116411 B CN102116411 B CN 102116411B CN 200910265370 A CN200910265370 A CN 200910265370A CN 102116411 B CN102116411 B CN 102116411B
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- high pressure
- air inlet
- gas
- pressure valve
- nut
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- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000006837 decompression Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The invention provides a gas decompressor. The gas decompressor comprises a body, and a gas inlet mechanism, a decompressor mechanism, a pressure gage, and a gas outlet mechanism which are connected with the body; and a protection device for preventing gas from leaking is arranged in the gas inlet mechanism and the gas outlet mechanism respectively. The gas decompressor is connected with a gas source, gas enters a high-pressure piston through a high-pressure piston filter, and a plurality of leakage control devices, such as a high-pressure nozzle leakage control cushion arranged between a high-pressure nozzle and a high-pressure piston seat, and the like are arranged, so that when the gas decompressor performs decompression on hyperpure gas or corrosive gas, the problem of leakage cannot be considered, and the gas decompressor is safe and reliable in use.
Description
Technical field
The present invention relates to a kind of gas pressure reducer.
Background technique
Gas pressure reducer is a kind of gas in gas cylinder to be reduced pressure and the device of Flow-rate adjustment.The kind of gas pressure reducer is a lot, be used in different places, during gas with various, also different to the requirement of decompressor, when the gas of needs decompression is hyperpure gas or corrosive gas, just need gas pressure reducer can not produce any leakage, must have special leakage preventer, to guarantee the purity of Security and post-decompression gas.
Summary of the invention
In order to solve the problem of above prior art, the object of the invention is to provide a kind of gas pressure reducer that various gas is particularly useful for hyperpure gas or corrosive gas that is applicable to, there is special anti-leakage mechanism.
Technological scheme of the present invention is: a kind of gas pressure reducer, and comprise body, be connected to admission gear, the mechanism of decompressor, pressure gauge and air-out mechanism on body, in admission gear and air-out mechanism, air escape protection unit is set.Air escape protection unit is also set in the mechanism of decompressor.
Described admission gear comprises air inlet extension bar, air inlet screen, air inlet nut, air inlet nut protection plug; air inlet extension bar is screwed onto on body; air inlet spiro cap is located on air inlet extension bar; the inlet end of air inlet extension bar is provided with air inlet screen and air inlet nut protection plug, and wheel leakage protective protective gear is air inlet nut protection plug.Air inlet nut protection plug is for preventing that air inlet extension bar from connecting gas leakage.
Described air-out mechanism comprises giving vent to anger and switches through head, connecting base, attachment cap, air outlet protection pad and the nut of giving vent to anger; the first head of the switching of giving vent to anger is spirally connected on body; the other end nut of giving vent to anger that is spirally connected; giving vent to anger nut and give vent to anger and set gradually air outlet protection pad, connecting base, attachment cap between conversion adapter, air escape protection unit is air outlet protection pad.Connecting base and attachment cap are for connection metal flexible pipe.
The described mechanism of decompressor comprises regulon successively, upper cover, low pressure Flexible element, plunger, diaphragm block, high pressure nozzle, high pressure valve unit, high-pressure elastomeric unit, high pressure piston seat, regulon props up low pressure Flexible element one end through upper cover, the other end of low pressure Flexible element is against on diaphragm block, plunger is through diaphragm block, and be fastened on diaphragm block, one end, high pressure valve unit is against on plunger through high pressure nozzle, high-pressure elastomeric unit is set against on high pressure valve unit, a part for high pressure valve unit and the high-pressure elastomeric unit being set against are arranged on high pressure piston seat central authorities, high pressure piston seat one end penetrates high pressure nozzle and is against high pressure nozzle, upper cover is spirally connected and is connected on body.
The described mechanism of decompressor also comprises high pressure piston filter, and high pressure piston filter is arranged on one end of high pressure piston seat.High pressure piston filter filter precision is higher, metal powder sintered the forming that material is SUS316, and order number is 220-225 order.
Described low pressure Flexible element comprises low pressing spring and low pressing spring correcting axle, and low pressing spring correcting axle is T-shaped, and the sheathed and one end of low pressure spring is against on T-shaped low pressing spring correcting axle.
Between described upper cover and diaphragm block, be provided with upper cover leakproof seal circle.
Described diaphragm block comprises membranous disc, diaphragm and leakproof film successively from beginning of low pressing spring, and membranous disc props up one end of low pressing spring.Diaphragm block has increased leakproof film, has further increased the leak resistance of decompressor.
Between described high pressure nozzle and high pressure piston seat, be provided with high pressure nozzle leak-proof washer.
Described high pressure valve unit comprises high pressure valve shaft, high pressure valve spindle guide sheet, high pressure valve axle pad sheet, and high pressure valve spindle guide sheet is arranged between nozzle and high pressure valve shaft, the fixing position of high pressure valve shaft, and high pressure valve pad is arranged between high pressure spring and high pressure valve shaft.
Beneficial effect of the present invention is:
Gas pressure reducer of the present invention is connected with source of the gas, gas enters high pressure piston by high pressure piston filter, and there are a plurality of leakage protection devices, as high pressure nozzle leak-proof washer between high pressure nozzle and high pressure piston seat etc., while making gas pressure reducer decompression hyperpure gas or corrosive gas, do not worry the problem of leaking, use more safe and reliable.
Accompanying drawing explanation
Fig. 1 is embodiment's decomposition texture schematic diagram;
Fig. 2 is embodiment's cross-sectional view;
Fig. 3 is embodiment's schematic appearance.
Embodiment
Referring to Fig. 1 and Fig. 2, a kind of gas pressure reducer, comprises body 1, is connected to admission gear, the mechanism of decompressor, pressure gauge and air-out mechanism on body.In admission gear, air-out mechanism, the mechanism of decompressor, be provided with air escape protection unit.
Admission gear comprises air inlet extension bar 5, air inlet screen 6, air inlet nut 2, air inlet nut protection plug 3; air inlet extension bar 5 is screwed onto on body 1; the inlet end of air inlet extension bar 5 is provided with air inlet screen 6; air inlet screen 6 is arranged in air inlet extension bar 5 by air inlet screen clasp 4; air inlet screen 6 is stainless steel sintering filter screen, and the inlet end of air inlet extension bar 5 is provided with air inlet nut 2 and air inlet nut protection plug 3.Air inlet nut protection plug 3 is air escape protection unit.
Air-out mechanism comprise give vent to anger switch through 32, connecting base 35, attachment cap 36, air outlet protection pad 34 and the nut 33 of giving vent to anger; 32 1 of the conversion adapters of giving vent to anger are spirally connected on body 1; the other end nut 33 of giving vent to anger that is spirally connected, is giving vent to anger nut 33 and give vent to anger and set gradually air outlet protection pad 34, connecting base 35, attachment cap 36 between conversion adapter 32.Air outlet protection pad 34 is air escape protection unit.
The mechanism of decompressor comprises regulon successively, upper cover 22, low pressure Flexible element, plunger 17, diaphragm block, high pressure nozzle 15, high pressure valve unit, high-pressure elastomeric unit, high-pressure elastomeric unit is high pressure spring 11, high pressure piston seat 9, high pressure piston filter 10, regulon props up low pressure Flexible element one end through upper cover 22, the other end of low pressure Flexible element is against on diaphragm block, plunger 17 is through diaphragm block, and be fastened on diaphragm block by plunger hold-doun nut 21, one end, high pressure valve unit is against on plunger 17 through high pressure nozzle 15, plunger 17 is T-shaped, high pressure spring 11 is set against on high pressure valve unit, a part for high pressure valve unit and the high pressure spring 11 being set against are arranged on high pressure piston seat 9 central authorities, high pressure piston seat 9 one end penetrate high pressure nozzle 15 and are against on high pressure nozzle 15, and upper cover 22 is spirally connected and is connected on body 1, and upper cover is successively by low pressure Flexible element simultaneously, plunger 17, diaphragm block, high pressure nozzle 15, high pressure valve unit, high-pressure elastomeric unit, high pressure piston seat 9 is fixed on body 1.High pressure piston filter 10 is arranged on high pressure piston seat 9 by one end of body.
Low pressure Flexible element comprises low pressing spring 23 and low pressing spring correcting axle 24, and low pressing spring correcting axle 24 is T-shaped, and the sheathed and one end of low pressing spring 23 is against on T-shaped low pressing spring correcting axle 24, and the other end is against on diaphragm block.
Between upper cover 22 and diaphragm block, be provided with upper cover leakproof seal circle 25, upper cover leakproof seal circle 25 is air escape protection units.
Diaphragm block comprises membranous disc 20, diaphragm 19 and leakproof film 18 successively from 23 1 beginnings of low pressing spring, and membranous disc 20 props up one end of low pressing spring 23.Diaphragm block has increased leakproof film 18, has further increased the leak resistance of decompressor.
Between high pressure nozzle 15 and high pressure piston seat 9, be provided with high pressure nozzle leak-proof washer 16.High pressure nozzle leak-proof washer 16 is also air escape protection unit.
High pressure valve unit comprises high pressure valve shaft 12, high pressure valve spindle guide sheet 13, high pressure valve axle pad sheet 14, high pressure valve spindle guide sheet 13 is arranged between nozzle 15 and high pressure valve shaft 12, the fixing position of high pressure valve shaft 12, high pressure valve pad 14 is arranged between high pressure spring 11 and high pressure valve shaft 12.
Pressure gauge is high-pressure manometer 7 and low pressure gauge 8.
Regulon comprises adjusting to be turned round handle 30, adjust screw 28, adjusts and turn round handle retaining screw 31 and adjust nut 29, adjustment is turned round handle retaining screw 31 and adjustment is turned round to handle 30 is fixed on and adjusts on screw 28, adjust on screw 28 and be arranged with and adjust nut 29, adjust screw 28 and be butted on low pressing spring correcting axle 24. through upper cover 22.
On upper cover 22, be also provided with nut 26 and pad 27, can make upper cover 22 well fixing.
T-shaped plunger 17 is to consist of spreader and mullion, and its mullion passes leakproof film 18, diaphragm 19 and membranous disc 20, and is fixed on membranous disc 20 with plunger hold-doun nut 21, between its spreader and membranous disc 20, clamps diaphragm 19, and leakproof film 18 can not leak gas.
Claims (2)
1. a gas pressure reducer, is characterized in that comprising body, is connected to admission gear, the mechanism of decompressor, pressure gauge and air-out mechanism on body;
Admission gear comprises air inlet extension bar, air inlet screen, air inlet nut, air inlet nut protection plug; Air inlet extension bar is screwed onto on body, and the inlet end of air inlet extension bar is provided with air inlet screen, and the inlet end of air inlet extension bar is provided with air inlet nut and air inlet nut protection plug; Air inlet nut protection plug is air escape protection unit;
Air-out mechanism comprises the conversion adapter of giving vent to anger, connecting base, attachment cap, air outlet protection pad and the nut of giving vent to anger; The giving vent to anger first head of switching is spirally connected on body, and the other end nut of giving vent to anger that is spirally connected is being given vent to anger nut and give vent to anger and set gradually air outlet protection pad, connecting base, attachment cap between conversion adapter; Air outlet protection pad is air escape protection unit;
The mechanism of decompressor comprises regulon successively, upper cover, low pressure Flexible element, plunger, diaphragm block, high pressure nozzle, high pressure valve unit, high-pressure elastomeric unit, high pressure piston seat, regulon props up low pressure Flexible element one end through upper cover, the other end of low pressure Flexible element is against on diaphragm block, plunger is through diaphragm block, and be fastened on diaphragm block, one end, high pressure valve unit is against on plunger through high pressure nozzle, high-pressure elastomeric unit is set against on high pressure valve unit, a part for high pressure valve unit and the high-pressure elastomeric unit being set against are arranged on high pressure piston seat central authorities, high pressure piston seat one end penetrates high pressure nozzle and is against high pressure nozzle, upper cover is screwed onto on body,
The described mechanism of decompressor also comprises high pressure piston filter, and high pressure piston filter is arranged on one end of high pressure piston seat; Between high pressure nozzle and high pressure piston seat, be provided with high pressure nozzle leak-proof washer;
Described low pressure Flexible element comprises low pressing spring and low pressing spring correcting axle, and low pressing spring correcting axle is T-shaped, and the sheathed and one end of low pressure spring is against on T-shaped low pressing spring correcting axle;
Between described upper cover and diaphragm block, be provided with upper cover leakproof seal circle; Described diaphragm block comprises membranous disc, diaphragm and leakproof film successively from beginning of low pressing spring, and membranous disc props up one end of low pressing spring.
2. gas pressure reducer according to claim 1, it is characterized in that, described high pressure valve unit comprises high pressure valve shaft, high pressure valve spindle guide sheet, high pressure valve axle pad sheet, high pressure valve spindle guide sheet is arranged between nozzle and high pressure valve shaft, the fixing position of high pressure valve shaft, high pressure valve pad is arranged between high-pressure elastomeric unit and high pressure valve shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910265370.7A CN102116411B (en) | 2009-12-30 | 2009-12-30 | Gas decompressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910265370.7A CN102116411B (en) | 2009-12-30 | 2009-12-30 | Gas decompressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102116411A CN102116411A (en) | 2011-07-06 |
| CN102116411B true CN102116411B (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910265370.7A Active CN102116411B (en) | 2009-12-30 | 2009-12-30 | Gas decompressor |
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| Country | Link |
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| CN (1) | CN102116411B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758943A (en) * | 2012-06-27 | 2012-10-31 | 钱立民 | Two-stage type gas pressure regulator |
| CN103727278A (en) * | 2013-12-05 | 2014-04-16 | 常熟市中凯仪表有限公司 | Gas pressure reducer |
| CN104293113A (en) * | 2014-10-20 | 2015-01-21 | 苏州常熟荣大威尔科技有限公司 | Gas pressure reducer |
| CN104277662A (en) * | 2014-10-20 | 2015-01-14 | 苏州常熟荣大威尔科技有限公司 | Pressure reducer |
| CN104277644A (en) * | 2014-10-20 | 2015-01-14 | 苏州常熟荣大威尔科技有限公司 | Novel pressure reducer |
| CN104293114A (en) * | 2014-10-20 | 2015-01-21 | 苏州常熟荣大威尔科技有限公司 | Anticorrosive gas pressure reducer |
| CN104373643A (en) * | 2014-11-10 | 2015-02-25 | 徐春 | High pressure-to-low pressure air inflation nozzle |
| CN104565817A (en) * | 2014-12-04 | 2015-04-29 | 朱昀 | Pneumatic tool power supply device |
| CN105736938A (en) * | 2016-04-19 | 2016-07-06 | 宁波市江北兴达焊割减压仪表厂 | Quick-connecting type decompressor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2172823Y (en) * | 1992-08-21 | 1994-07-27 | 殷住顺 | Automatic cutting pressure-relief valve for liquefied gas steel cylinder |
| CN2529046Y (en) * | 2002-03-21 | 2003-01-01 | 李春山 | Double-piston superhigh pressure reducer |
| CN201081086Y (en) * | 2007-09-21 | 2008-07-02 | 捷锐企业(上海)有限公司 | Argon decompressor |
| CN201339816Y (en) * | 2008-12-18 | 2009-11-04 | 宁波隆兴焊割科技股份有限公司 | Double-stage pressure reducer |
| CN201593681U (en) * | 2009-12-30 | 2010-09-29 | 林建州 | Gas pressure reducer |
-
2009
- 2009-12-30 CN CN200910265370.7A patent/CN102116411B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2172823Y (en) * | 1992-08-21 | 1994-07-27 | 殷住顺 | Automatic cutting pressure-relief valve for liquefied gas steel cylinder |
| CN2529046Y (en) * | 2002-03-21 | 2003-01-01 | 李春山 | Double-piston superhigh pressure reducer |
| CN201081086Y (en) * | 2007-09-21 | 2008-07-02 | 捷锐企业(上海)有限公司 | Argon decompressor |
| CN201339816Y (en) * | 2008-12-18 | 2009-11-04 | 宁波隆兴焊割科技股份有限公司 | Double-stage pressure reducer |
| CN201593681U (en) * | 2009-12-30 | 2010-09-29 | 林建州 | Gas pressure reducer |
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| Publication number | Publication date |
|---|---|
| CN102116411A (en) | 2011-07-06 |
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Address after: 211316, No. 29, Jingshan East Road, Gaochun Economic Development Zone, Nanjing, Jiangsu Applicant after: Lin Jianzhou Address before: 325000, room 2, 502 overseas Chinese village of Liming street, Lucheng District, Zhejiang, Wenzhou Applicant before: Lin Jianzhou |
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Owner name: NANJING VTECH ELECTRO-MECHANICAL TECHNOLOGY DEVELO Free format text: FORMER OWNER: LIN JIANZHOU Effective date: 20150512 |
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Effective date of registration: 20150512 Address after: 211316 No. 29 East Jingshan Road, Gaochun Economic Development Zone, Jiangsu Patentee after: NANJING VTECH ELECTRO-MECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 211316, No. 29, Jingshan East Road, Gaochun Economic Development Zone, Nanjing, Jiangsu Patentee before: Lin Jianzhou |
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Denomination of invention: High-flow-rate special gas pressure reducing device Effective date of registration: 20151103 Granted publication date: 20140226 Pledgee: Bank of Jiangsu Limited by Share Ltd. Gaochun branch Pledgor: NANJING VTECH ELECTRO-MECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: 2015320000010 |
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Date of cancellation: 20161221 Granted publication date: 20140226 Pledgee: Bank of Jiangsu Limited by Share Ltd. Gaochun branch Pledgor: NANJING VTECH ELECTRO-MECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: 2015320000010 |
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Denomination of invention: High-flow-rate special gas pressure reducing device Effective date of registration: 20170523 Granted publication date: 20140226 Pledgee: Gaochun Jiangsu rural commercial bank Limited by Share Ltd. Pledgor: NANJING VTECH ELECTRO-MECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: 2017320000015 |
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Date of cancellation: 20180720 Granted publication date: 20140226 Pledgee: Gaochun Jiangsu rural commercial bank Limited by Share Ltd. Pledgor: NANJING VTECH ELECTRO-MECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: 2017320000015 |
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Denomination of invention: High-flow-rate special gas pressure reducing device Effective date of registration: 20180806 Granted publication date: 20140226 Pledgee: Jiangsu Gaochun Wu Jia Zui Jianxin village bank LLC Pledgor: NANJING VTECH ELECTRO-MECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: 2018320000125 |
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Effective date of registration: 20230320 Address after: Building 2, No. 29, Jingshan East Road, Gaochun Economic Development Zone, Gaochun District, Nanjing City, Jiangsu Province, 211300 Patentee after: Nanjing Weiyida Instrument Technology Co.,Ltd. Address before: 211316 No.29, Jingshan East Road, economic development zone, Gaochun District, Jiangsu Province Patentee before: NANJING VTECH ELECTRO-MECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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