CN201572626U - Gas proportioning device - Google Patents
Gas proportioning device Download PDFInfo
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- CN201572626U CN201572626U CN2009203521151U CN200920352115U CN201572626U CN 201572626 U CN201572626 U CN 201572626U CN 2009203521151 U CN2009203521151 U CN 2009203521151U CN 200920352115 U CN200920352115 U CN 200920352115U CN 201572626 U CN201572626 U CN 201572626U
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- valve
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- flowmeter
- needle
- mixing ratio
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Abstract
The utility model provides a gas proportioning device, which comprises a casing, a gas inlet mechanism arranged on the casing, and a pressure-stabilizing mechanism, a flowmeter, a gas proportioning mechanism and a mixed gas outlet mechanism which are connected with the gas inlet mechanism in order; also comprises a stopping mechanism arranged between the flowmeter and the gas proportioning mechanism. The gas proportioning device of the utility model is used for gas proportioning of two ways or more gases, each gas flow way adopts the pressure stabilizing and reducing mechanism to enable the gas pressure entering into the flowmeter to be stabilized, the stabilization and the precision of the gas entering into the proportioning mechanism can be ensured, meanwhile, the flowmeter adopts the double-body flowmeter, the precision of the flow can be increased, the stooping mechanism is adopted when the gas enters into the flow way of the proportioning mechanism, the gas can not reflow because of the variation of the pressure. The utility model has characteristics of high proportioning precision and stabilized output, not only can be widely used for various gas protection welding conditions such as high speed railway locomotive, shipping and machinery manufacturing, but also can be used for laboratory, physical analysis and mixing of various gases.
Description
Technical field
The utility model relates to a kind of gas mixing ratio device.
Background technology
The gas mixing ratio device is to aim at gas to mix and the gas mixer of design.The function of this device is that two or more gas is obtained uniform mixing gas mixture after according to the random proportioning of different instructions for uses.The disclosed accurate gas mixing ratio device of Chinese patent application " accurate gas mixing ratio device (CN1474244A) " comprises gas feed 1, gas mixer 3 and mixed gas outlet 4, also comprise gas flow and proportioning control system 2, and described gas flow and proportioning control system 2 comprise gas feed 15, flow sensor 6, signal processing circuit 7, flow display circuit 8, flow setting circuit 9, subtraction circuit 10, error amplifying circuit 11, drive circuit 12, flow control valve 13 and gas vent 14 compositions.The flowmeter of this precision gas mixing ratio device is to change flow signal into the signal of telecommunication to carry out closed-loop control, thereby can accurately control component ratio in the mist, need to be specially adapted to the accurately occasion of control, as microelectronics processing, rigorous analysis, extraordinary welding etc.But guarantee the uniformity and the accuracy of gas mixing ratio, the gas that also needs to enter proportioner is the voltage stabilizing state, and can not cause refluxing, therefore need on the basis of existing gas mixing ratio device, further improve the accuracy of gas mixing ratio and the stability and the security of gas output because of the change of gas component.
The utility model content
In order to solve above prior art problems, the purpose of this utility model is that a kind of new gas proportioner will be provided, and has stable-pressure device, and the precision that guarantees gas mixing ratio is with stable.
The technical solution of the utility model is: a kind of gas mixing ratio device, comprise casing, be arranged on admission gear on the casing, with voltage stabilizing mechanism, flowmeter, valve actuating mechanism and gaseous mixture air-out mechanism that admission gear is linked in sequence, wherein also comprise the stopping mechanism between flowmeter and the valve actuating mechanism.Stopping mechanism can prevent gas backstreaming, to guarantee the precision and the safety of gas output.
Described voltage stabilizing mechanism comprises body, is connected decompressing unit and valve unit on the body.
Described decompressing unit comprises regulon, loam cake, low pressure Flexible element, plunger, diaphragm block, nozzle, high pressure valve unit, high-pressure elastomeric unit successively, regulon passes loam cake and props up low pressure Flexible element one end, the other end of low pressure Flexible element is against on the diaphragm block, plunger passes diaphragm block, and be fastened on the diaphragm block, high pressure valve unit one end passes high pressure nozzle and is against on the plunger, and the high-pressure elastomeric unit is set against on the high pressure valve unit, and loam cake is screwed onto on the body.
Described relief valve mechanism comprises emergency valve seat, safety valve rubber, safe valve disc, safety valve spring and safe valve gap, and emergency valve seat is screwed onto on the body, and safe valve gap is fixed on safety valve spring, safe valve disc and safety valve rubber blanket in the emergency valve seat successively.
Described flowmeter comprises body under flowmeter upper body, the flowmeter, is arranged on flowmeter flow measurement device between the body and the needle valve assembly that is arranged on the flowmeter upper body up and down.Owing to end formula (IN) before the gas way of output generally is divided into and two kinds of formulas (OUT) are ended in the back, end in the formula (OUT) in the back, body about the flowmeter setting can make gas mixing ratio more accurate,
Described flow measurement device is followed successively by interior base from following body to upper body, interior base is screwed onto down on the body, be enclosed within pipe in transparent on the base, be shelved on the base and be positioned at transparent pipe the pill of aluminium, be set in the transparent outer tube outside transparent the pipe.
Described needle valve assembly comprises that needle-valve spool, needle-valve nut, needle-valve O type circle and needle-valve turn round handle, and the needle-valve spiro cap is located on the needle-valve spool, and is screwed onto on the flowmeter bodies, and the two ends of needle-valve spool are provided with needle-valve O type circle, and needle-valve is turned round handle and is arranged on the needle-valve nut.
Described stopping mechanism comprises the retaining joint, the retaining nut that are connected the flowmeter upper body, is arranged on retaining piston and retaining spring between retaining joint and the retaining nut, and the retaining spring is arranged between retaining piston and retaining nut.The flowmeter upper body connects the retaining joint, and thing gas can not reflux, and guarantees the accuracy of gas mixing ratio.
Described valve actuating mechanism is spiral proportioner, is to enter by spiral way after gas enters, and guarantees that two kinds of gases mix.
Described gaseous mixture air-out mechanism comprises the escape pipe seated connection head that is screwed onto valve actuating mechanism, is fixed on the snap joint of escape pipe seated connection head by the hold-doun nut of giving vent to anger.
Described admission gear, the voltage stabilizing mechanism, flowmeter, the stopping mechanism that are linked in sequence with admission gear are two covers or more than two covers.
Described admission gear comprises body joint, air inlet hold-doun nut, air inlet tube and air inlet nut, and the body joint is fixed on the body, and air inlet tube is fixed by air inlet hold-doun nut and body joint, and the air inlet fixed by nut is on air inlet tube.
The beneficial effects of the utility model are:
Gas mixing ratio device of the present utility model is used for the distribution of two-way or the above gas of two-way, all adopted Pressure-stabilizing pressure reducing mechanism on the runner of every road gas, make the gas pressure that enters flowmeter stable, guaranteed to enter the stable and precision of proportioning mechanism, flowmeter adopts two body flowmeters simultaneously, increase the precision of flow, in gas enters the runner of proportioning mechanism, also adopted stopping mechanism, guaranteed that gas can not reflux because of the variation of pressure.Because have characteristics such as distributing precision height, output be stable, gas mixing ratio device of the present utility model not only is widely used in all kinds of gas shileds weldering such as high ferro locomotive, boats and ships, machine-building occasion, also can be used for being mixed of laboratory, physical analysis, all gases.
Description of drawings
Fig. 1 is the use schematic diagram of embodiment of the present utility model;
Fig. 2 is the decomposition texture schematic diagram of gas mixing ratio device among Fig. 1.
The specific embodiment
A kind of gas mixing ratio device, but two kinds of gases of proportioning are seen Fig. 1, and a kind of gas such as Ar gas enter the gas mixing ratio device by gas circuit 1, and another gas CO
2Divide and enter the gas mixing ratio device by gas circuit 102.The gas mixing ratio device comprises casing 63, be arranged on admission gear on the casing 63, be linked in sequence with admission gear voltage stabilizing mechanism, flowmeter, stopping mechanism, valve actuating mechanism and gaseous mixture air-out mechanism.Above-mentioned admission gear, voltage stabilizing mechanism, flowmeter, stopping mechanism, valve actuating mechanism are two covers, are connected with gas circuit 2 102 with gas circuit 1 respectively.
The concrete structure of gas mixing ratio device is seen Fig. 2
Admission gear comprises body joint 2, air inlet hold-doun nut 4, air inlet tube 5 and air inlet nut 6, body joint 2 is fixed on the body 1 of voltage stabilizing mechanism, body joint 2 is fixing with casing 63 by air inlet hold-doun nut 4, also has air inlet pad 3 between air inlet hold-doun nut 4 and the casing 63, prevent gas leakage, air inlet nut 6 is fixed together body joint 2 and air inlet tube 5.
Voltage stabilizing mechanism comprises body 1, is connected decompressing unit, voltage stabilizing escape pipe unit and valve unit on the body.
Decompressing unit comprises regulon, loam cake 24, low pressure Flexible element, plunger 18, diaphragm block, nozzle 17, high pressure valve unit, high-pressure elastomeric unit successively.Regulon is for adjusting screw 25 and hold-doun nut 26, the low pressure Flexible element comprises spring fulcrum 23, low pressing spring 22, diaphragm block comprises membranous disc 21, diaphragm packing ring 20 and diaphragm 19, nozzle 17 successively, and the high pressure valve unit comprises that high pressure valve shaft 16, high pressure valve pad 15, high pressure valve nut 14 and high pressure valve parent 13, high-pressure elastomeric unit are high pressure spring 12.Adjustment screw 25 in the regulon is fixing and pass loam cake 24 and prop up spring fulcrum 23 in the low pressure Flexible element by hold-doun nut 26, one end of low pressing spring 22 props up spring fulcrum 23, the other end is against on the membranous disc 21 of diaphragm block, plunger 18 passes diaphragm block, and is fastened on the diaphragm block.In the high pressure valve parent 13 in the high pressure valve unit high pressure valve shaft 16 is set, high pressure valve shaft 16 is connected the high pressure valve nut 15 on the high pressure valve parent 13 and be arranged on high pressure valve parent 13 and nozzle 17 between high pressure valve pad 14, high pressure valve shaft 16 passes nozzle 17, high pressure spring 12 is set against on the high pressure valve parent 13, and loam cake 24 is screwed onto on the body 1.
After gas reduces pressure through decompressing unit, enter in the flowmeter by voltage stabilizing escape pipe unit, voltage stabilizing escape pipe unit mainly is made of two gas-tpe fittings 27, tracheae 29, a gas-tpe fitting 27 is fixed on the body 1, fix by a gas-tpe fitting nut 28 and tracheae 29 1 ends, tracheae 29 other ends are fixing with another gas-tpe fitting 27 by another gas-tpe fitting nut 28, and this gas-tpe fitting 27 is fixed under the flowmeter on the body 21.
Relief valve mechanism comprises emergency valve seat 7, safety valve rubber 8, safe valve disc 9, safety valve spring 10 and safe valve gap 11, emergency valve seat 7 is screwed onto on the body 1, and safe valve gap 11 is fixed on safety valve spring 10, safe valve disc 9 and safety valve rubber 8 in the emergency valve seat 7 successively.Relief valve mechanism is connected on the body, guarantees the security performance of voltage stabilizing mechanism in the gas decompression process.
Flowmeter comprises body 32 under flowmeter upper body 40, the flowmeter, is arranged on the up and down flow measurement device between the body 40,32 and be arranged on the needle valve assembly of flowmeter upper body 40 of flowmeter.Body 32 is provided with and holds out against screw 30 under the flowmeter, and holding out against has sealing ring 31 between the body 32 under screw 30 and the flowmeter.
Needle valve assembly comprises that needle-valve spool 43, needle-valve nut 45, needle-valve O type circle 42 and needle-valve turn round the sealing ring 44 between handle 46 and needle-valve spool 43 and the needle-valve nut 45, needle-valve nut 45 is set on the needle-valve spool 43, and be screwed onto flowmeter upper body 40, the two ends of needle-valve spool 43 all are provided with needle-valve O type circle 42, and needle-valve is turned round handle 46 and is arranged on the needle-valve nut 45.
Stopping mechanism comprises the retaining joint 48, the retaining nut 53 that are connected on the flowmeter upper body 40, is arranged on retaining piston 51 and retaining spring 52 between retaining joint 48 and the retaining nut 53, retaining spring 52 is arranged on 53 on retaining piston 51 and retaining nut, also is provided with large sealing packing ring 49 and small sealing ring 50 between retaining piston 51 and the retaining joint 48.
Stopping mechanism is connected with an end of a tracheae 29 by the gas-tpe fitting 54 that is screwed onto on the retaining nut 53, it is by gas-tpe fitting nut 55 that gas-tpe fitting 54 is connected with tracheae 29, the other end of tracheae 29 is connected with gas-tpe fitting 27 by gas-tpe fitting nut 28, and gas-tpe fitting 27 is screwed onto on the valve actuating mechanism.
Valve actuating mechanism is spiral proportioner, and spiral proportioner is arranged in the base 56 of giving vent to anger.The base 56 of giving vent to anger is arranged in the casing 63.
The gaseous mixture air-out mechanism comprises the escape pipe seated connection head 58 that is screwed onto valve actuating mechanism, escape pipe seated connection head 58 and give vent to anger sealing ring 57 is arranged between the base 56, escape pipe seated connection head 58 other ends are fixing with snap joint 61 by the hold-doun nut 60 of giving vent to anger.Escape pipe seated connection head 58 passes casing 63, between hold-doun nut 60 and the casing 63 sealing ring 59 is arranged.
Using method of the present utility model is as follows:
See shown in Figure 1ly, gas circuit 1 and gas circuit 2 102 all are to be made of gas cylinder 103, gas line 104 and gas mixing ratio device of the present utility model.The gas of each gas circuit, enters and enters stopping mechanism behind the flowmeter and be input to and enter the outer gaseous mixture air-out mechanisms output of casing 63 after valve actuating mechanism mixes after voltage stabilizing from voltage stabilizing mechanism that gas cylinder 103 enters 63 li of casings by admission gear.Flowmeter is fixed on the madial wall of casing 63 by bearing 62.
Claims (10)
1. gas mixing ratio device, it is characterized in that comprising casing, be arranged on admission gear on the casing, with voltage stabilizing mechanism, flowmeter, valve actuating mechanism and gaseous mixture air-out mechanism that admission gear is linked in sequence, wherein also comprise the stopping mechanism between flowmeter and the valve actuating mechanism.
2. gas mixing ratio device according to claim 1 is characterized in that described voltage stabilizing mechanism comprises body, is connected decompressing unit and valve unit on the body.
3. gas mixing ratio device according to claim 2, it is characterized in that described decompressing unit comprises regulon, loam cake, low pressure Flexible element, plunger, diaphragm block, nozzle, high pressure valve unit, high-pressure elastomeric unit successively, regulon passes loam cake and props up low pressure Flexible element one end, the other end of low pressure Flexible element is against on the diaphragm block, plunger passes diaphragm block, and be fastened on the diaphragm block, high pressure valve unit one end passes high pressure nozzle and is against on the plunger, the high-pressure elastomeric unit is set against on the high pressure valve unit, and loam cake is screwed onto on the body.
4. gas mixing ratio device according to claim 2, it is characterized in that described relief valve mechanism comprises emergency valve seat, safety valve rubber, safe valve disc, safety valve spring and safe valve gap, emergency valve seat is screwed onto on the body, and safe valve gap is fixed on safety valve spring, safe valve disc and safety valve rubber blanket in the emergency valve seat successively.
5. gas mixing ratio device according to claim 1 is characterized in that described flowmeter comprises body under flowmeter upper body, the flowmeter, is arranged on flowmeter flow measurement device between the body and the needle valve assembly that is arranged on the flowmeter upper body up and down.
6. gas mixing ratio device according to claim 5, it is characterized in that described flow measurement device is followed successively by interior base from following body to upper body, interior base is screwed onto down on the body, be enclosed within pipe in transparent on the base, be shelved on the base and be positioned at transparent pipe the pill of aluminium, be set in the transparent outer tube outside transparent the pipe.
7. gas mixing ratio device according to claim 5, it is characterized in that described needle valve assembly comprises that needle-valve spool, needle-valve nut, needle-valve O type circle and needle-valve turn round handle, the needle-valve spiro cap is located on the needle-valve spool, and be screwed onto on the flowmeter upper body, the two ends of needle-valve spool are provided with needle-valve O type circle, and needle-valve is turned round handle and is arranged on the needle-valve nut.
8. gas mixing ratio device according to claim 1, it is characterized in that described stopping mechanism comprises the retaining joint, the retaining nut that are connected the flowmeter upper body, is arranged on retaining piston and retaining spring between retaining joint and the retaining nut, the retaining spring is arranged between retaining piston and retaining nut.
9. gas mixing ratio device according to claim 1 is characterized in that described valve actuating mechanism is spiral proportioner.
10. according to each described gas mixing ratio device of claim 1-9, voltage stabilizing mechanism, flowmeter, the stopping mechanism that it is characterized in that described admission gear, is linked in sequence with admission gear is two covers or more than two covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203521151U CN201572626U (en) | 2009-12-30 | 2009-12-30 | Gas proportioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203521151U CN201572626U (en) | 2009-12-30 | 2009-12-30 | Gas proportioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201572626U true CN201572626U (en) | 2010-09-08 |
Family
ID=42692505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203521151U Expired - Lifetime CN201572626U (en) | 2009-12-30 | 2009-12-30 | Gas proportioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201572626U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2461414C1 (en) * | 2011-03-15 | 2012-09-20 | Владимир Антонович Шутиков | Method of producing gas mix |
| CN102114395B (en) * | 2009-12-30 | 2014-02-26 | 林建州 | Gas proportioner |
| CN105065768A (en) * | 2015-07-20 | 2015-11-18 | 南京伟易达机电科技发展有限公司 | Pressure regulator for pressure regulation of outlet of gas pressure regulating valve |
-
2009
- 2009-12-30 CN CN2009203521151U patent/CN201572626U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102114395B (en) * | 2009-12-30 | 2014-02-26 | 林建州 | Gas proportioner |
| RU2461414C1 (en) * | 2011-03-15 | 2012-09-20 | Владимир Антонович Шутиков | Method of producing gas mix |
| CN105065768A (en) * | 2015-07-20 | 2015-11-18 | 南京伟易达机电科技发展有限公司 | Pressure regulator for pressure regulation of outlet of gas pressure regulating valve |
| CN105065768B (en) * | 2015-07-20 | 2018-08-24 | 南京伟易达机电科技发展有限公司 | Applied to the pressure controlled pressure regulator of gas pressure regulating valve upper outlet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: NANJING VTECH ELECTRO-MECHANICAL TECHNOLOGY DEVELOPMENT CO., LTD. Assignor: Lin Jianzhou Contract record no.: 2012320000312 Denomination of utility model: Precision gas proportioning device Granted publication date: 20100908 License type: Exclusive License Record date: 20120327 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100908 |