CN105065768B - Applied to the pressure controlled pressure regulator of gas pressure regulating valve upper outlet - Google Patents
Applied to the pressure controlled pressure regulator of gas pressure regulating valve upper outlet Download PDFInfo
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- CN105065768B CN105065768B CN201510427142.0A CN201510427142A CN105065768B CN 105065768 B CN105065768 B CN 105065768B CN 201510427142 A CN201510427142 A CN 201510427142A CN 105065768 B CN105065768 B CN 105065768B
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- gas
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- diaphragm
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
Abstract
The invention discloses one kind being applied to the pressure controlled pressure regulator of gas pressure regulating valve upper outlet.The technical issues of solution：For single stage type pressure reducing valve in the prior art, the unstable gas in gas in gas cylinder is directly entered hydraulic adjustment piston and is depressurized, and the gas after depressurizing directly is discharged by the gas vent on valve body.And due to the gas in gas cylinder, pressure is big and unstable, hydraulic adjustment piston can be caused prodigious impact by being directly entered hydraulic adjustment piston, to influence the precision of hydraulic adjustment piston, the technical issues of cannot be satisfied pressure precision requirement higher and stablize the requirement of the quantitative pressure of output.It adopts the technical scheme that, one kind being applied to the pressure controlled pressure regulator of gas pressure regulating valve upper outlet, including handle is turned round in diaphragm buffering group, low pressure spring, spring fulcrum, case, screw press and pressure regulation.Diaphragm buffering group includes plunger, diaphragm, membranous disc, spring shim and plunger anti-skidding nut.
Description
Technical field
The present invention relates to a kind of pressure regulators, more particularly to a kind of to be applied to gas pressure regulating valve upper outlet pressure tune
The pressure regulator of section.
Background technology
The fields such as industry, medical treatment, scientific research are usually required for adjusting valve with gas decompression, will be stored in gas cylinder
Gas regulation is at stable low-pressure gas, for using.
Existing gas pressure reducer is single stage type pressure reducing valve, the unstable gas in the gas in gas cylinder directly into
The hydraulic adjustment piston entered in gas pressure reducer is depressurized, and the gas after depressurizing directly is arranged by the gas vent on valve body
Go out.And due to the gas in gas cylinder, pressure is big and unstable, the hydraulic adjustment piston meeting being directly entered in gas pressure reducer
Prodigious impact is caused to hydraulic adjustment piston, to influence the precision of hydraulic adjustment piston, cannot be satisfied pressure precision requirement
Higher and the requirement for stablizing the quantitative pressure of output.
Invention content
The technical problem to be solved by the present invention is to for single stage type pressure reducing valve in the prior art, in gas cylinder
Unstable gas in gas is directly entered the hydraulic adjustment piston in gas pressure reducer and is depressurized, and the gas after depressurizing is straight
Connected the gas vent discharge on valve body.And due to the gas in gas cylinder, pressure is big and unstable, is directly entered gas
Hydraulic adjustment piston in pressure reducing valve can cause hydraulic adjustment piston prodigious impact, to influence the essence of hydraulic adjustment piston
Degree, the technical issues of cannot be satisfied pressure precision requirement higher and stablize the requirement of the quantitative pressure of output.
The design philosophy of the present invention is to be added in the gas outlet of gas pressure regulating valve for adjusting outlet pressure
Pressure regulator, to meet pressure precision requirement higher and stablize the requirement of the quantitative pressure of output.
To solve upper technical problem, the technical solution adopted by the present invention is that：
One kind being applied to the pressure controlled pressure regulator of gas pressure regulating valve upper outlet, includes the valve body with valve chamber
With positioned at the indoor gas decompression piston of valve；Gas inlet, gas outlet, inlet channel are set on valve body；Further include setting
Set on valve body and withstand simultaneously the pressure regulator of gas decompression piston；
Pressure regulator includes that handle is turned round in diaphragm buffering group, low pressure spring, spring fulcrum, case, screw press and pressure regulation；
Screw press one end is fixed at pressure regulation and turns round the inside for turning round handle on handle and positioned at pressure regulation, and the screw press other end is logical
It crosses screw thread pair connection case one end and withstands the spring fulcrum in case；
The case other end is connected to by screw thread pair on valve body；
Diaphragm buffering group is located in case and gas decompression piston is withstood in side, and one end of low pressure spring is withstood in the other side；
The other end of low pressure spring is sleeved on spring fulcrum and withstands.
Improvement to above-mentioned technical proposal is provided with diaphragm adjusting gasket between diaphragm buffering group and case；Diaphragm buffers
Group includes plunger, diaphragm, membranous disc, spring shim and plunger anti-skidding nut；Diaphragm, membranous disc and spring shim are filled sequentially into from left to right
On plunger, plunger anti-skidding nut is fastened on the right end of plunger.
Above-mentioned technical proposal is further improved, it is recessed that screw press contact position is provided with the centre of location on spring fulcrum
Slot；It is provided with and the matched protrusion of location center groove with spring fulcrum contact position on screw press.Spring branch in the present invention
The location center groove being arranged on axis, the protrusion being arranged on screw press it is intended that play quickly between the two when mounted
The effect of positioning, effectively improve installation effectiveness.
Further improvement to above-mentioned technical proposal, gas decompression piston include high pressure spring, decompression piston ontology, subtract
Press piston only diaphragm seal, installation screw, nozzle and high voltage adjusting piston；Nozzle is fixed on by screw thread pair in valve chamber, nozzle
Central axis be provided with inlet plenum and discharge chamber, inlet plenum is located at side where the inlet channel on valve body, and discharge chamber is located at valve
Side where gas vent on body is provided with outlet nozzle on the side wall of discharge chamber；Decompression piston ontology is located in inlet plenum, and subtracts
Air inlet gap is formed between pressure piston only and inlet plenum；High pressure spring is located in valve chamber, and the locular wall of valve chamber is withstood in one end, another
Withstand decompression piston ontology in end；For decompression piston ontology diaphragm seal on decompression piston ontology, installation screw is mounted in decompression piston
On ontology diaphragm seal；High voltage adjusting piston is slidably arranged in discharge chamber, and is formed out between high voltage adjusting piston and discharge chamber
Gas gap；Piston thimble is set on one side end face of high voltage adjusting piston；Piston thimble withstands installation screw.
It is close to be provided with nozzle between decompression piston ontology diaphragm seal and nozzle for further improvement to above-mentioned technical proposal
Gasket.
Further improvement to above-mentioned technical proposal, pressure regulator further include air inlet screen；Air inlet screen passes through filter
Net nut is fixed on nozzle.The design function of air inlet screen in the present invention is can to allow air inlet gas effectively mistake
Filter and pressure buffer effect, to allow gas filtering accuracy and decompression after pressure precision more stablize.
Further improvement to above-mentioned technical proposal, setting level-one inlet air heating pipeline, secondary inlet heating on valve body
Pipeline and three-level inlet air heating pipeline；Level-one inlet air heating pipeline is connected to the extraneous gas air inlet on valve body；Secondary inlet adds
Heat pipeline is connected to level-one inlet air heating pipeline；Three-level inlet air heating pipeline is connected to secondary inlet heating pipe and three-level inlet air heating
Pipeline connects valve chamber by the inlet channel on valve body.It is logical that the heating preheated to gas three-level is provided on valve body in the present invention
Road so that gas reach sufficient preheating temperature.
The present invention compared with prior art the advantages of：
1, the pressure controlled pressure regulator of gas pressure regulating valve upper outlet, simple in structure, installing and dismounting should be used for
Be easy, for a long time using sealing effect in good, use be easy sealing ring be not easy to damage, use cost is low.
2, due to adding the pressure regulator for adjusting outlet pressure in the gas outlet of gas pressure regulating valve, have
Effect ground adjusts the gas pressure of the gas outlet of body pressure-regulating valve, meets pressure precision requirement higher and stable output is fixed
Measure the requirement of pressure.
3, the design of air inlet screen can allow air inlet gas effectively to filter and the effect of pressure buffer, to allow gas
Filtering accuracy and decompression after pressure precision more stablize.
Description of the drawings
Fig. 1 is the structural schematic diagram of pressure regulator.
Fig. 2 is the structural schematic diagram of the gas pressure regulating valve of embodiment.
Fig. 3 is the explosive view of Fig. 2
Fig. 4 is the structural schematic diagram of gas decompression piston.
Wherein, 1, high pressure spring, 2, decompression piston ontology, 3, decompression piston ontology diaphragm seal, 4, installation screw, 5, nozzle
Gasket seal, 6, nozzle, 7, high voltage adjusting piston, 8, plunger, 9, diaphragm, 10, membranous disc, 11, spring shim, 12, plunger it is anti-skidding
Nut, 13, diaphragm adjusting gasket, 14, low pressure spring, 15, spring fulcrum, 16, case, 17, screw press, 18, pressure regulation turn round handle,
19, countersunk head Philip's head screw, 20, valve chamber, 21, inlet channel, 22, piston thimble, 23, valve body.
Specific implementation mode
To keep present disclosure more obvious and easy to understand, done further below in conjunction with attached drawing 1-4 and specific implementation mode
Description.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Embodiment 1：
As shown in Figure 1；Pressure regulator in the present embodiment, including diaphragm buffering group, low pressure spring 14, spring fulcrum
15, handle 18 is turned round in case 16, screw press 17 and pressure regulation.Diaphragm buffering group includes plunger 8, diaphragm 9, membranous disc 10, spring shim 11
With plunger anti-skidding nut 12.
The concrete structure of pressure regulator is：17 one end of screw press is fixed at pressure regulation by countersunk head Philip's head screw 19
The inside that handle 18 is turned round on handle 18 and positioned at pressure regulation is turned round, 17 other end of screw press connects 16 one end of case by screw thread pair and withstands
Spring fulcrum 15 in case 16；17 contact position of screw press is provided with location center groove on spring fulcrum 15；It adjusts
It is provided with and the matched protrusion of location center groove with 15 contact position of spring fulcrum on pressure screw rod 17.16 other end of case passes through
Screw thread pair is connected on valve body 23, and the case 16 in the present embodiment is copper case.Diaphragm buffering group is located in case 16 and side
Gas decompression piston is withstood, one end of low pressure spring 14 is withstood in the other side；The other end of low pressure spring 14 is sleeved on spring fulcrum
It 15 and withstands.Sequentially into from left to right on plunger 8, plunger is anti-for diaphragm 9, membranous disc 10 and spring shim 11 in diaphragm buffering group
Sliding nut 12 is fastened on the right end of plunger 8.Pressure regulator in the present embodiment, when in use, according to output gas pressure
It is required that handle 18 is turned round in rotation pressure regulation manually, pressure regulation turns round the rotation of handle 18 and screw press 17 is driven to advance along the axis direction of case 16
Or it retreats；Advancing screw press 17 pushes directly on spring fulcrum 15, and driving low pressure spring 14 moves, to push diaphragm slow
Punching group is advanced；Plunger 8 in diaphragm buffering group pushes directly on going out at the gas decompression piston outlet in gas pressure regulating valve
Mouth pressure, realizes the adjusting of gas outlet pressure.
Pressure regulator in the present embodiment further includes air inlet screen (being not drawn into figure)；Air inlet screen passes through strainer nut
It is fixed on nozzle 6.The design of air inlet screen can allow air inlet gas effectively to filter and the effect of pressure buffer, from
And the filtering accuracy of gas and the pressure precision after decompression is allowed more to stablize.
Gas pressure regulating valve in the present embodiment, including valve body 23, gas decompression piston and pressure regulator；Such as Fig. 2
It is shown.
Gas inlet, gas outlet and inlet channel 21 are set on the valve body 23 in the present embodiment；Valve body 23 simultaneously
Upper setting level-one inlet air heating pipeline, secondary inlet heating pipe and three-level inlet air heating pipeline；Level-one inlet air heating pipeline connects
Extraneous gas air inlet on port valve body 23；Secondary inlet heating pipe is connected to level-one inlet air heating pipeline；Three-level inlet air heating
Pipeline is connected to secondary inlet heating pipe and three-level inlet air heating pipeline connects valve chamber 20 by the inlet channel 21 on valve body 23.
The heating channel preheated to gas three-level is provided on the present embodiment valve body 23 so that gas reach sufficient preheating temperature.
As described in Figure 4, the gas decompression piston in the present embodiment includes high pressure spring 1, decompression piston ontology 2, decompression work
Fill in ontology diaphragm seal 3, installation screw 4, nozzle 6 and high voltage adjusting piston 7；Nozzle 6 is fixed on by screw thread pair in valve chamber 20, spray
The central axis of mouth 6 is provided with inlet plenum and discharge chamber, and inlet plenum is located at the 21 place side of inlet channel on valve body 23, discharge chamber
Side where gas vent on valve body 23 is provided with outlet nozzle on the side wall of discharge chamber；Decompression piston ontology 2 is located at air inlet
Interior, and form air inlet gap between decompression piston ontology 2 and inlet plenum；High pressure spring 1 is located in valve chamber 20, and valve is withstood in one end
The locular wall of room 20, the other end withstand decompression piston ontology 2；Decompression piston ontology diaphragm seal 3 is on decompression piston ontology 2, peace
Screw 4 is filled on decompression piston ontology diaphragm seal 3；High voltage adjusting piston 7 is slidably arranged in discharge chamber, and high voltage adjusting is lived
Outlet gap is formed between plug 7 and discharge chamber；Piston thimble 22 is set on one side end face of high voltage adjusting piston 7；Piston thimble
22 withstand installation screw 4.It is provided with sealed nozzle gasket 5 between decompression piston ontology diaphragm seal 3 and nozzle 6.
Part that the present invention does not relate to is the same as those in the prior art or is realized using the prior art.
Heretofore described specific implementation case is only the preferable case study on implementation of the present invention, is not used for limiting this hair
Bright practical range.That is equivalent changes and modifications made by all contents according to scope of the present invention patent, all should be used as this hair
Bright technology scope.
Claims (2)
1. one kind being applied to the pressure controlled pressure regulator of gas pressure regulating valve upper outlet, including carries the valve of valve chamber (20)
Body (23) and the gas decompression piston in valve chamber (20)；Gas inlet, gas outlet, air inlet is arranged on (23) in valve body
Channel (21)；It is characterized in that, further including the pressure regulator for being arranged on valve body (23) and withstanding simultaneously gas decompression piston；
Pressure regulator includes diaphragm buffering group, low pressure spring (14), spring fulcrum (15), case (16), screw press (17)
Handle (18) is turned round with pressure regulation；
Screw press (17) one end is fixed at pressure regulation and turns round the inside for turning round handle (18) on handle (18) and positioned at pressure regulation, screw press
(17) other end connects case (16) one end by screw thread pair and withstands the spring fulcrum (15) in case (16)；
Case (16) other end is connected to by screw thread pair on valve body (23)；
Diaphragm buffering group is located in case (16) and gas decompression piston is withstood in side, and the one of low pressure spring (14) is withstood in the other side
End；The other end of low pressure spring (14) is sleeved on spring fulcrum (15) and withstands；
Gas decompression piston includes high pressure spring (1), decompression piston ontology (2), decompression piston ontology diaphragm seal (3), installation spiral shell
Silk (4), nozzle (6) and high voltage adjusting piston (7)；Nozzle (6) is fixed on by screw thread pair in valve chamber (20), in nozzle (6)
Inlet plenum and discharge chamber are provided at mandrel, inlet plenum is located at side where the inlet channel (21) on valve body (23), discharge chamber position
In the gas vent place side on valve body (23), outlet nozzle is provided on the side wall of discharge chamber；Decompression piston ontology (2) be located at into
In gas chamber, and decompression piston ontology (2) forms air inlet gap between inlet plenum；High pressure spring (1) is located in valve chamber (20), and one
The locular wall of valve chamber (20) is withstood at end, and the other end withstands decompression piston ontology (2)；Decompression piston ontology diaphragm seal (3) is mounted in decompression
On piston only (2), installation screw (4) is on decompression piston ontology diaphragm seal (3)；High voltage adjusting piston (7) sliding setting
In discharge chamber, and high voltage adjusting piston (7) forms outlet gap between discharge chamber；One side of high voltage adjusting piston (7)
Piston thimble (22) is set on face；Piston thimble (22) withstands installation screw (4)；
Diaphragm adjusting gasket (13) is provided between diaphragm buffering group and case (16)；Diaphragm buffering group includes plunger (8), diaphragm
(9), membranous disc (10), spring shim (11) and plunger anti-skidding nut (12)；Diaphragm (9), membranous disc (10) and spring shim (11) according to
Secondary to be mounted on plunger (8) to from left to right, plunger anti-skidding nut (12) is fastened on the right end of plunger (8)；
Level-one inlet air heating pipeline, secondary inlet heating pipe and three-level inlet air heating pipeline are set on valve body (23)；One is grading
Gas heating pipe is connected to the extraneous gas air inlet on valve body (23)；Secondary inlet heating pipe is connected to level-one inlet air heating pipe
Road；Three-level inlet air heating pipeline is connected to secondary inlet heating pipe and three-level inlet air heating pipeline passes through the air inlet on valve body (23)
Channel (21) connects valve chamber (20)；
Screw press (17) contact position is provided with location center groove on spring fulcrum (15)；On screw press (17) and spring
Fulcrum (15) contact position is provided with and the matched protrusion of location center groove；
Pressure regulator further includes air inlet screen；Air inlet screen is fixed at by strainer nut on nozzle (6).
2. being applied to the pressure controlled pressure regulator of gas pressure regulating valve upper outlet, feature as described in claim 1
It is, sealed nozzle gasket (5) is provided between decompression piston ontology diaphragm seal (3) and nozzle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510427142.0A CN105065768B (en) | 2015-07-20 | 2015-07-20 | Applied to the pressure controlled pressure regulator of gas pressure regulating valve upper outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510427142.0A CN105065768B (en) | 2015-07-20 | 2015-07-20 | Applied to the pressure controlled pressure regulator of gas pressure regulating valve upper outlet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105065768A CN105065768A (en) | 2015-11-18 |
| CN105065768B true CN105065768B (en) | 2018-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510427142.0A Active CN105065768B (en) | 2015-07-20 | 2015-07-20 | Applied to the pressure controlled pressure regulator of gas pressure regulating valve upper outlet |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979341A (en) * | 2017-05-05 | 2017-07-25 | 广州蓝仕威克医疗科技有限公司 | Control valve device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201322122Y (en) * | 2008-12-09 | 2009-10-07 | 林建州 | Energy-saving type gas pressure reducing valve |
| 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 |
| CN201572626U (en) * | 2009-12-30 | 2010-09-08 | 林建州 | Gas proportioning device |
| CN201593650U (en) * | 2009-12-30 | 2010-09-29 | 林建州 | High-flow carbon dioxide decompressor |
| CN102116412A (en) * | 2009-12-30 | 2011-07-06 | 林建州 | Dual-stage gas decompressor |
| CN204879017U (en) * | 2015-07-20 | 2015-12-16 | 南京伟易达机电科技发展有限公司 | Be applied to pressure regulator that outlet pressure adjusted on gas pressure governing valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6892688B2 (en) * | 2002-09-24 | 2005-05-17 | Brp-Rotax Gmbh & Co. Kg | Automatic mechanical decompressor for an internal combustion engine |
-
2015
- 2015-07-20 CN CN201510427142.0A patent/CN105065768B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201322122Y (en) * | 2008-12-09 | 2009-10-07 | 林建州 | Energy-saving type gas pressure reducing valve |
| 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 |
| CN201572626U (en) * | 2009-12-30 | 2010-09-08 | 林建州 | Gas proportioning device |
| CN201593650U (en) * | 2009-12-30 | 2010-09-29 | 林建州 | High-flow carbon dioxide decompressor |
| CN102116412A (en) * | 2009-12-30 | 2011-07-06 | 林建州 | Dual-stage gas decompressor |
| CN204879017U (en) * | 2015-07-20 | 2015-12-16 | 南京伟易达机电科技发展有限公司 | Be applied to pressure regulator that outlet pressure adjusted on gas pressure governing valve |
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| CN105065768A (en) | 2015-11-18 |
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Denomination of invention: Pressure regulator for pressure regulation of outlet of gas pressure regulating valve Effective date of registration: 20190308 Granted publication date: 20180824 Pledgee: Jiangsu credit Company Limited by Guarantee Pledgor: NANJING VTECH ELECTRO-MECHANICAL TECHNOLOGY DEVELOPMENT CO., LTD. Registration number: 2019320000123 |