CN109058540A - Corrosion-resistant direct-operated regulator equipment - Google Patents
Corrosion-resistant direct-operated regulator equipment Download PDFInfo
- Publication number
- CN109058540A CN109058540A CN201811201846.6A CN201811201846A CN109058540A CN 109058540 A CN109058540 A CN 109058540A CN 201811201846 A CN201811201846 A CN 201811201846A CN 109058540 A CN109058540 A CN 109058540A
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- China
- Prior art keywords
- guide sleeve
- bonnet
- axial
- valve rod
- membrane cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000005260 corrosion Methods 0.000 title claims abstract description 12
- 230000007797 corrosion Effects 0.000 title claims abstract description 12
- 239000012528 membrane Substances 0.000 claims abstract description 30
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/32—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting on a servo-mechanism or on a catch-releasing mechanism
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses corrosion-resistant direct-operated regulator equipment, valve body axial ends is equipped with bottom flange and bonnet,；The axial other end of bonnet, is successively arranged lower membrane cover and upper membrane cover, and diaphragm is equipped between lower membrane cover and upper membrane cover；The free end of upper membrane cover is equipped with spring shield, is equipped with spring in spring shield；Axial one end of valve rod is connect by lower tray and top tray with diaphragm；The axial other end of valve rod protrudes into valve body after sequentially passing through lower membrane cover, bonnet,；Bonnet, internal sleeve is equipped with several upper guide sleeves, and several upper guide sleeves are equidistantly uniformly distributed along the axial direction of bonnet,；Bottom flange is equipped with lower guide sleeve, and valve rod sequentially passes through guide sleeve and lower guide sleeve and moves up and down along the axial direction of upper guide sleeve and lower guide sleeve；Several ventholes are additionally provided on bonnet,.For valve rod provided by the invention without airtight and watertight padding sealed set, flexible movements degree is higher, and valve rod is by guide sleeve guide support, and operation stability is higher, long service life.
Description
Technical field
The present invention relates to valve technology fields, and in particular to a kind of corrosion-resistant direct-operated regulator equipment.
Background technique
Self-contained pressure regulator is not necessarily to external energy, can work in no electricity without the place of gas, not only facilitate but also saved energy
Source.Pressure segmentation limit is thin and crosses one another, and degree of regulation is high.Pressure set points can continuously be set during operation.Rubber membrane
Chip detection, executing agency's detection accuracy are high, sensitive.Using pressure balance mechanism, so that regulating valve is quick on the draw, control essence
Really.
Pressure is relied on oneself valve in existing spring diaphragm type, using cylindrical spring, is realized pressure inside valve, is drawn without outside
Enter pressure pipe, there is good market application value, but existing valve rod is often through airtight and watertight padding sealed set, flexible movements
Spend lower, and valve rod is poor compared with long running stability, and service life is shorter.
Summary of the invention
The technical problems to be solved by the present invention are: pressure is relied on oneself valve mechanism in spring diaphragm type, valve rod often through
Airtight and watertight padding sealed set, flexible movements degree is lower, and valve rod is poor compared with long running stability, and service life is shorter, the present invention
Provide the corrosion-resistant direct-operated regulator equipment to solve the above problems.
The present invention is achieved through the following technical solutions:
The axial bottom end open-mouth of corrosion-resistant direct-operated regulator equipment, including valve body, the valve body is equipped with bottom flange, valve
The axial top open-mouth of body is equipped with bonnet,；The axial other end of the bonnet, is successively arranged lower membrane cover and upper membrane cover, institute
It states and is equipped with diaphragm between lower membrane cover and upper membrane cover；The free end of upper membrane cover is equipped with spring shield, is equipped with spring in the spring shield；
The valve body structure further includes valve rod, and axial one end of the valve rod is connected by lower tray and top tray and diaphragm
It connects, and diaphragm is pressed between lower tray and top tray, the axial bottom end of spring with top tray for contacting；The axial direction of valve rod is another
One end is protruded into valve body after sequentially passing through lower membrane cover, bonnet,；
The bonnet, internal sleeve is equipped with several upper guide sleeves, and several upper guide sleeves are equidistant along the axial direction of bonnet,
It is uniformly distributed, the internal diameter of each upper guide sleeve is respectively less than the internal diameter of bonnet,；The bottom flange is equipped with lower guide sleeve, Mei Geshang
The axial line of guide sleeve, lower guide sleeve and valve rod three is overlapped, and valve rod sequentially passes through guide sleeve and lower guide sleeve and along above leading
It is moved up and down to the axial direction of set and lower guide sleeve；Several ventholes are additionally provided on bonnet, the venthole is for being connected to valve body
Internal and lower chamber between membrane cover and diaphragm.
Working principle of the present invention are as follows: the axial bottom end of valve body can be directly sealed by bottom flange, bottom flange and valve body
Bottom end open-mouth is connected by bolt seal；Upper valve body is arranged in the axial top of valve body, and bonnet, is for connecting valve body and lower film
Lid；Meanwhile bottom flange and bonnet, are respectively used to fixed lower guide sleeve and lower guide sleeve, and in use process, the trunk section of valve rod
Can across upper guide sleeve and lower guide sleeve, under the induced effect of diaphragm and top tray and lower tray, valve rod along upper guide sleeve and
Lower guide sleeve axially moves up and down, and plays good guiding, supporting role by upper guide sleeve and lower guide sleeve, is conducive to improve valve
The stability of bar operation, and prolong the service life.Guide sleeve can be used for guide support main structure in actual use, and
By the way that multiple upper guide sleeves are arranged in bonnet, inner wall, so that multiple upper guide sleeves constitute the situation of whole axial length inconvenience
Under, the outer wall of valve rod contacts respectively with multiple upper guide sleeve inner walls, greatly reduces valve rod and guide sleeve contact frictional resistance, benefit
In raising flexible operation degree.
Preferably, the upper guide sleeve is along perpendicular to the arc on bonnet, inner wall direction successively including straightway and evagination
Line segment, the valve rod outer wall are contacted with line at the outer rim of arc segment.
The main structure of each upper guide sleeve, such valve rod outer wall and arc segment are made of the arc segment of straightway and evagination
Outer rim at line contact, further decrease valve rod and upper guide sleeve contact area, reduction valve rod running resistance.Upper guide sleeve can one
Body chemical conversion type is fixed on bonnet, inner wall.
Preferably, the bottom flange is equipped with mounting hole, the axial bottom of the lower guide sleeve towards the intracorporal cover board face of valve
End, which is connected through a screw thread, to be screwed in mounting hole；The axial top outer wall of the lower guide sleeve is equipped with limit ring flat-plate, the limit
The outer diameter of ring flat-plate is less than the outer diameter of valve rod upper valve core.
Preferably, the lower guide sleeve inner wall is equipped with several balls, and the inner wall of lower guide sleeve passes through outside ball and valve rod
Wall is in rolling contact.
By the way that multiple balls are arranged on lower guide sleeve inner wall, it is mainly used for reducing the friction of valve rod and lower guide sleeve inner wall
Resistance, the mounting structure of ball can be used existing mounting technique and be arranged on lower guide sleeve inner wall.
Preferably, the axial top of the spring is fixed on inside the top of spring shield by spring base；The axis of spring shield
Also pass through bearing to top and is rotatably connected to adjusting screw component.
The present invention has the advantage that and the utility model has the advantages that
1, working principle of the present invention are as follows: the axial bottom end of valve body can be directly sealed by bottom flange, bottom flange and valve
Body bottom end open-mouth is connected by bolt seal；Upper valve body is arranged in the axial top of valve body, and bonnet, is for connecting valve body under
Membrane cover；Meanwhile bottom flange and bonnet, are respectively used to fixed lower guide sleeve and lower guide sleeve, and in use process, the trunk of valve rod
Section can be across upper guide sleeve and lower guide sleeve, and under the induced effect of diaphragm and top tray and lower tray, valve rod is along upper guide sleeve
It is axially moved up and down with lower guide sleeve, good guiding, supporting role is played by upper guide sleeve and lower guide sleeve, be conducive to improve
The stability of valve rod operation, and prolong the service life.Guide sleeve can be used for guide support main structure in actual use,
And by the way that multiple upper guide sleeves are arranged in bonnet, inner wall, so that multiple upper guide sleeves constitute the situation of whole axial length inconvenience
Under, the outer wall of valve rod contacts respectively with multiple upper guide sleeve inner walls, greatly reduces valve rod and guide sleeve contact frictional resistance, benefit
In raising flexible operation degree；
2, valve rod of the present invention is without airtight and watertight padding, flexible movements, Operational Figure Of Merit height；And valve body structure provided by the invention leans on
A piece main spring adjusts pressure, and spring rate is low, while existing Curve Design can be used in spool, has certain linear spy
Sign, degree of regulation are high；Bearing can be selected thrust bearing and connect with screw component is adjusted, convenient easily adjustment；By on spring
Protective cover is arranged to be conducive to prevent spring burn into from getting rusty.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is formula structure main view cross section structure schematic diagram after valve of the invention；
Fig. 2 is bonnet, inner wall partial structural diagram of the invention.
Fig. 3 is upper guide sleeve structure schematic diagram of the invention.
Label and corresponding parts title in attached drawing: 1- valve body, 2- bottom flange, 3- bonnet, membrane cover under 4-, the upper film of 5-
Lid, 6- diaphragm, 7- spring shield, 8- spring, 9- valve rod, 10- lower tray, 11- top tray, the upper guide sleeve of 12-, 121- straightway,
122- arc segment, guide sleeve under 13-, 14- venthole, 15- mounting hole, 16- limit ring flat-plate, 17- spool, 18- spring base, 19-
Bearing, 20- adjust screw component.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1
Present embodiments provide a kind of corrosion-resistant direct-operated regulator equipment, including valve body 1, the axial bottom of the valve body 1
Open-mouth is held to be equipped with bottom flange 2, the axial top open-mouth of valve body 1 is equipped with bonnet, 3；The axial other end of the bonnet, 3
It is successively arranged lower membrane cover 4 and upper membrane cover 5, diaphragm 6 is equipped between the lower membrane cover 4 and upper membrane cover 5；The free end of upper membrane cover 5 is set
There is spring shield 7, is equipped with spring 8 in the spring shield 7；
The valve body structure further includes valve rod 9, and axial one end of the valve rod 9 passes through lower tray 10 and top tray 11 and film
Piece 6 connects, and diaphragm 6 is pressed between lower tray 10 and top tray 11, and the axial bottom end of spring 8 with top tray 11 for connecing
Touching；The axial other end of valve rod 9 protrudes into valve body 1 after sequentially passing through lower membrane cover 4, bonnet, 3；
3 internal sleeve of bonnet, is equipped with several upper guide sleeves 12, axial direction of several upper guide sleeves 12 along bonnet, 3
It is equidistantly uniformly distributed, the internal diameter of each upper guide sleeve 12 is respectively less than the internal diameter of bonnet, 3；The bottom flange 2, which is equipped with down, leads
To set 13, the axial line of each upper 9 three of guide sleeve 12, lower guide sleeve 13 and valve rod is overlapped, and valve rod 9 sequentially passes through guide sleeve
It 12 and lower guide sleeve 13 and is moved up and down along the axial direction of upper guide sleeve 12 and lower guide sleeve 13；It is additionally provided on bonnet, 3 several logical
Stomata 14, the venthole 14 is for being connected to 1 inside of valve body and the chamber between lower membrane cover 4 and diaphragm 6.
Embodiment 2
It is further improved on the basis of embodiment 1, the upper guide sleeve 12 is along perpendicular on 3 inner wall direction of bonnet,
It successively include the arc segment 122 of straightway 121 and evagination, 9 outer wall of valve rod is contacted with line at the outer rim of arc segment 122.Institute
It states bottom flange 2 and is equipped with mounting hole 15 towards the cover board face in valve body 1, the axial bottom end of the lower guide sleeve 13 is connected by screw thread
It connects and screws in mounting hole 15；The axial top outer wall of the lower guide sleeve 13 is equipped with limit ring flat-plate 16, the limit ring flat-plate 6
Outer diameter be less than 9 upper valve core 17 of valve rod outer diameter.13 inner wall of lower guide sleeve be equipped with several balls, lower guide sleeve 13 it is interior
Wall is in rolling contact by ball and 9 outer wall of valve rod.
Embodiment 3
It is further improved on the basis of embodiment 2, the axial top of the spring 8 is fixed on spring by spring base 18
Inside the top of cover 7；The axial top of spring shield 7 also passes through bearing 19 and is rotatably connected to adjusting screw component 20.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (5)
1. corrosion-resistant direct-operated regulator equipment, including valve body (1), which is characterized in that the axial bottom end of the valve body (1) is open
Place is equipped with bottom flange (2), and the axial top open-mouth of valve body (1) is equipped with bonnet, (3)；The axial direction of the bonnet, (3) is another
End is successively arranged lower membrane cover (4) and upper membrane cover (5), is equipped with diaphragm (6) between the lower membrane cover (4) and upper membrane cover (5)；Upper membrane cover
(5) free end is equipped with spring shield (7), is equipped with spring (8) in the spring shield (7)；
The valve body structure further includes valve rod (9), and axial one end of the valve rod (9) passes through lower tray (10) and top tray (11)
It is connect with diaphragm (6), and diaphragm (6) is pressed between lower tray (10) and top tray (11), the axial bottom end of spring (8) is used for
It is contacted with top tray (11)；The axial other end of valve rod (9) protrudes into valve body (1) after sequentially passing through lower membrane cover (4), bonnet, (3)
It is interior；
Bonnet, (3) internal sleeve is equipped with several upper guide sleeves (12), axial direction of several upper guide sleeves (12) along bonnet, (3)
Direction is equidistantly uniformly distributed, and each the internal diameter of upper guide sleeve (12) is respectively less than the internal diameter of bonnet, (3)；The bottom flange (2)
It is equipped with lower guide sleeve (13), each the axial line of upper guide sleeve (12), lower guide sleeve (13) and valve rod (9) three is overlapped, valve
Bar (9) sequentially passes through guide sleeve (12) and lower guide sleeve (13) and along the axial direction of upper guide sleeve (12) and lower guide sleeve (13)
It moves up and down；Be additionally provided on bonnet, (3) several ventholes (14), the venthole (14) for be connected to valve body (1) it is internal and
Chamber between lower membrane cover (4) and diaphragm (6).
2. corrosion-resistant direct-operated regulator equipment according to claim 1, which is characterized in that the upper guide sleeve (12) exists
Along perpendicular to the arc segment (122) on bonnet, (3) inner wall direction successively including straightway (121) and evagination, the valve rod (9)
Outer wall is contacted with line at the outer rim of arc segment (122).
3. corrosion-resistant direct-operated regulator equipment according to claim 1, which is characterized in that bottom flange (2) direction
Cover board face in valve body (1) is equipped with mounting hole (15), and the axial bottom end of the lower guide sleeve (13) is connected through a screw thread screw-in
In mounting hole (15)；The axial top outer wall of the lower guide sleeve (13) is equipped with limit ring flat-plate (16), the limit ring flat-plate (6)
Outer diameter be less than valve rod (9) upper valve core (17) outer diameter.
4. corrosion-resistant direct-operated regulator equipment according to claim 3, which is characterized in that in the lower guide sleeve (13)
Wall is equipped with several balls, and the inner wall of lower guide sleeve (13) is in rolling contact by ball and valve rod (9) outer wall.
5. corrosion-resistant direct-operated regulator equipment according to claim 1, which is characterized in that the axial direction of the spring (8)
Top is fixed on inside the top of spring shield (7) by spring base (18)；The axial top of spring shield (7) also passes through bearing (19)
It is rotatably connected to and adjusts screw component (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201846.6A CN109058540A (en) | 2018-10-16 | 2018-10-16 | Corrosion-resistant direct-operated regulator equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201846.6A CN109058540A (en) | 2018-10-16 | 2018-10-16 | Corrosion-resistant direct-operated regulator equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109058540A true CN109058540A (en) | 2018-12-21 |
Family
ID=64764081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811201846.6A Pending CN109058540A (en) | 2018-10-16 | 2018-10-16 | Corrosion-resistant direct-operated regulator equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109058540A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB930795A (en) * | 1959-12-02 | 1963-07-10 | Fiorentini Pietro | Improvements in and relating to pressure reducing valves |
| DE2110188A1 (en) * | 1971-03-03 | 1972-09-21 | Samson Apparatebau Ag | Valve actuation device for control valves, especially for heating systems |
| JP2009026054A (en) * | 2007-07-19 | 2009-02-05 | Koganei Corp | Pressure reducing valve |
| CN102927360A (en) * | 2012-10-31 | 2013-02-13 | 北京控制工程研究所 | Dynamic seal structure of satellite valve |
| CN104019279A (en) * | 2014-02-18 | 2014-09-03 | 浙江冠力阀门有限公司 | Ore pulp valve |
| CN207386351U (en) * | 2017-04-24 | 2018-05-22 | 浙江星月安防科技有限公司 | A kind of punching machine guide sleeve |
| CN207554896U (en) * | 2017-10-11 | 2018-06-29 | 浙江科海仪表有限公司 | A kind of ultra micro pressure lets out nitrogen regulating valve |
| CN209484008U (en) * | 2018-10-16 | 2019-10-11 | 四川勃朗蜀威科技有限公司 | Conducive to corrosion-resistant direct-operated regulator |
-
2018
- 2018-10-16 CN CN201811201846.6A patent/CN109058540A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB930795A (en) * | 1959-12-02 | 1963-07-10 | Fiorentini Pietro | Improvements in and relating to pressure reducing valves |
| DE2110188A1 (en) * | 1971-03-03 | 1972-09-21 | Samson Apparatebau Ag | Valve actuation device for control valves, especially for heating systems |
| JP2009026054A (en) * | 2007-07-19 | 2009-02-05 | Koganei Corp | Pressure reducing valve |
| CN102927360A (en) * | 2012-10-31 | 2013-02-13 | 北京控制工程研究所 | Dynamic seal structure of satellite valve |
| CN104019279A (en) * | 2014-02-18 | 2014-09-03 | 浙江冠力阀门有限公司 | Ore pulp valve |
| CN207386351U (en) * | 2017-04-24 | 2018-05-22 | 浙江星月安防科技有限公司 | A kind of punching machine guide sleeve |
| CN207554896U (en) * | 2017-10-11 | 2018-06-29 | 浙江科海仪表有限公司 | A kind of ultra micro pressure lets out nitrogen regulating valve |
| CN209484008U (en) * | 2018-10-16 | 2019-10-11 | 四川勃朗蜀威科技有限公司 | Conducive to corrosion-resistant direct-operated regulator |
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