CN204852387U - High temperature high pressure guide formula governing valve - Google Patents
High temperature high pressure guide formula governing valve Download PDFInfo
- Publication number
- CN204852387U CN204852387U CN201520533561.8U CN201520533561U CN204852387U CN 204852387 U CN204852387 U CN 204852387U CN 201520533561 U CN201520533561 U CN 201520533561U CN 204852387 U CN204852387 U CN 204852387U
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- Prior art keywords
- valve
- main valve
- pilot
- guide
- high temperature
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- 210000004907 gland Anatomy 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 29
- 238000007493 shaping process Methods 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000004044 response Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012636 effector Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Safety Valves (AREA)
- Lift Valve (AREA)
Abstract
The utility model provides a high temperature high pressure guide formula governing valve, including valve body and valve gap, be equipped with the runner in the valve body, a valve seat is arranged in the valve body, set up the sleeve on the disk seat, set up main valve core in the sleeve, main valve core constitutes metal seal with the sleeve, be equipped with guide's case in the main valve core, guide's case is connected with the valve rod, the bottom of guide's case is extended and is formed sealed head, the last discharge orifice that was equipped with of main valve core, cross discharge orifice and runner intercommunication, be equipped with between guide's case and the main valve core and fold the spring, the last gland that is equipped with of main valve core, the gland is fixed guide's case in main valve core, and be equipped with a plurality of pressure release holes on guide's case, the pressure release is opened in advance to during operation guide case, then guide's case drives main valve core and realizes large -traffic opening, the response speed of mechanism is fast, long service lifetime, fold the spring through setting up simultaneously between main valve core and guide's case, utilize the restoring force of folding the spring, provide early warning power at the valve when opening, the assurance is opened steadily, realize accurate regulated flow.
Description
Technical field
The utility model relates to a kind of modulating valve, is specifically related to a kind of High Temperature High Pressure pilot-operated type adjusting valve.
Background technique
Along with the develop rapidly of information technology and industrial intelligent improve constantly, valve is as the end effector controlling fluid motion in pipeline, just progressively change the narrow limitation of ego function and be imbued with brand-new theory, and inner valve enterprise of state is just along energy-saving and environmental protection, the new demand new direction development such as intelligence, volume are little, lightweight, the life-span is long.At present, China has great potentiality in fields such as oil, rock gas, electric power, chemical industry, environmental protection, environment involved by above-mentioned field mostly is hyperbaric environment, therefore heavy caliber high pressure force regulating valve, such as the demand such as single-seat valve or two-seater cage type regulating valve is larger, this type of valve needs to bear larger pressure reduction online, is required again the requirement that will possess highi degree of accuracy leakage class (IV level), and this is for often not fully up to expectations existing valve.Meanwhile, larger nominal size is also needed for such valve, and the double seated valve of existing two sealing lines does not far reach this requirement.Mostly the sealing material of simultaneously traditional double-sealing line is can not be high temperature resistant, at high temperature easily deforms.
Traditional valve, when being in High Pressure Difference state in valve, throttle down will be difficult to, even adopt hydraulic driving mode to control valve rod, also need relatively large hydraulic drive mechanism could implement to control to valve rod, and the size of valve rod, materials and the internals such as valve body, valve seat intensity all need corresponding amplification.
Model utility content
In order to overcome above technical deficiency, the utility model provides a kind of High Temperature High Pressure pilot-operated type adjusting valve.
The utility model provides a kind of High Temperature High Pressure pilot-operated type adjusting valve, comprise valve body and valve gap, runner is provided with in described valve body, valve seat is provided with in described valve body, described valve seat and valve body shaping, described valve seat arranges sleeve, in described sleeve, main valve plug is set, described main valve plug and sleeve form double metal and seal, pilot valve is provided with in described main valve plug, described pilot valve is connected with valve rod, the bottom of described pilot valve extends to form sealing head, described main valve plug is provided with the flowing hole suitable with sealing head, described flowing hole and flow passage, folded spring is provided with between described pilot valve and main valve plug, described main valve plug is provided with gland, pilot valve is fixed in main valve plug by described gland, and described pilot valve is provided with some relief holes, described pilot valve has and to be separated with flowing hole and the primary importance driving main valve plug to rise and top press through the second place of discharge orifice.
The flowing hole surrounding of described main valve plug is recessed to form fixed groove downwards, and described folded spring is placed in fixed groove, and its upper end contacts with the bottom surface of pilot valve, oppresses folded spring when described pilot valve top presses through discharge orifice.
The upper and lower both sides of described main valve plug are equipped with sealing inclined-plane, and inside described sleeve, upper and lower two ends arrange seal boss, and described boss is sealed and matched with sealing inclined-plane.
Sealing inclined-plane on the downside of the sealing surface of described seal boss and main valve plug forms certain angle and forms linear sealing.
Described pilot valve is positioned to be provided with below spool gland and matches with gland and shoulder for driving main valve plug up.
Described sleeve is provided with the through hole with flow passage.
The first seal ring is provided with between described sleeve and valve seat.
The second seal ring is provided with between described sleeve and valve gap.
Described flowing hole circumference arranges via hole.
Described valve seat and valve body shaping.
The beneficial effect of model utility is: be provided with main valve plug and pilot valve, during work, pilot valve opens pressure release in advance, then pilot valve drives main valve plug to realize the unlatching of large discharge, mechanism's fast response time, long service life, simultaneously by arranging folded spring between main valve plug and pilot valve, utilize the restoring force of folded spring, thering is provided pre-police strength at valve when opening, ensureing to open steadily, realizing accurate flow adjustment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of main valve plug, pilot valve.
Fig. 3 is the enlarged diagram at A place in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described further:
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of High Temperature High Pressure pilot-operated type adjusting valve, comprise valve body 1 and valve gap 2, runner 3 is provided with in described valve body 1, valve seat is provided with in described valve body 1, described valve seat and valve body shaping, described valve seat and valve body shaping, described valve seat is arranged sleeve 5, in described sleeve 5, main valve plug 6 is set, described main valve plug 6 forms double metal with sleeve 5 and seals, pilot valve 9 is provided with in described main valve plug 6, described pilot valve 9 is connected with valve rod 4, the bottom of described pilot valve 9 extends to form sealing head 13, described main valve plug 6 is provided with the flowing hole 7 suitable with sealing head 13, described flowing hole 7 is communicated with runner 3, folded spring 11 is provided with between described pilot valve 9 and main valve plug 6, described main valve plug 6 is provided with gland 8, gland 8 center is hollow-core construction, and gland 8 is bolted on main valve plug 6, pilot valve 9 is fixed in main valve plug 6 by described gland 8, and described pilot valve 8 is provided with some relief holes 10, described pilot valve 9 has and to be separated with flowing hole 7 and the primary importance driving main valve plug 6 to rise and top press through the second place of discharge orifice 7.
Described pilot valve is positioned to be provided with below spool gland and matches with gland and shoulder for driving main valve plug up.
When mechanism is in the working environment of High Pressure Difference, during valve closing, main valve plug moves downward blocks runner, and pilot valve blocks flowing hole downwards, forms heavy caliber sealing, form small-bore sealing between pilot valve and flowing hole between main valve plug and runner; During unlatching, pilot valve is opened in advance, and fraction medium is by relief hole pressure release, and then pilot valve drives main valve plug, main valve plug is departed from valve seat, realizes the unlatching of large discharge.
Folded spring is set between main valve plug and pilot valve, being stressed, when pilot valve leaves flowing hole when utilizing folded spring to press through discharge orifice on pilot valve top, folded spring makes pilot valve early warning, when opening, it rises steadily, then can ensure its accuracy when Flow-rate adjustment.
The flowing hole surrounding of described main valve plug is recessed to form fixed groove downwards, described folded spring is placed in fixed groove, its upper end contacts with the bottom surface of pilot valve, folded spring is oppressed when described pilot valve top presses through discharge orifice, folded spring is enclosed within the surrounding of flowing hole, and lower end contacts with main valve plug, upper end contacts with pilot valve, and can move up and down in main valve plug due to pilot valve, and in pilot valve last week to arranging some pressure relief vents 10, when opening, flow medium enters fixed groove by pressure relief vent, and the gap of opening along pilot valve enters flowing hole, complete pressure release, meet the demand of high-pressure opening, reduce the power that mangetic core assembly is required when opening.
The upper and lower both sides of described main valve plug are equipped with sealing inclined-plane, inside described sleeve, upper and lower two ends arrange seal boss, described boss is sealed and matched with sealing inclined-plane, adopt metal sealing, the use of seal ring can be reduced, and metal sealing at high temperature also can ensure normal sealing effect, therefore the use of high temperature can be met, sealing inclined-plane on the downside of the sealing surface of described seal boss and main valve plug forms certain angle and forms linear sealing, adopt linear sealing structure, make seal pressure large, valve turns off tight, No leakage.
Described sleeve is provided with the through hole 14 with flow passage, and this through hole 14 can design according to demand, to meet different traffic demands.
Be provided with the first seal ring 16 between described sleeve and valve seat, between described sleeve and valve gap, be provided with the second seal ring 15, ensure mechanism seals.
Described flowing hole circumference arranges via hole 12, for improving the flow of flowing hole.
Embodiment should not be considered as restriction of the present utility model, any improvement done based on spirit of the present utility model, all should within protection domain of the present utility model.
Claims (9)
1. a High Temperature High Pressure pilot-operated type adjusting valve, comprise valve body and valve gap, runner is provided with in described valve body, it is characterized in that: in described valve body, valve seat is set, described valve seat and valve body shaping, described valve seat arranges sleeve, in described sleeve, main valve plug is set, described main valve plug and sleeve form double metal and seal, pilot valve is provided with in described main valve plug, described pilot valve is connected with valve rod, the bottom of described pilot valve extends to form sealing head, described main valve plug is provided with the flowing hole suitable with sealing head, described flowing hole and flow passage, folded spring is provided with between described pilot valve and main valve plug, described main valve plug is provided with gland, pilot valve is fixed in main valve plug by described gland, and described pilot valve is provided with some relief holes, described pilot valve has and to be separated with flowing hole and the primary importance driving main valve plug to rise and top press through the second place of discharge orifice.
2. High Temperature High Pressure pilot-operated type adjusting valve according to claim 1, it is characterized in that, the flowing hole surrounding of described main valve plug is recessed to form fixed groove downwards, and described folded spring is placed in fixed groove, its upper end contacts with the bottom surface of pilot valve, oppresses folded spring when described pilot valve top presses through discharge orifice.
3. High Temperature High Pressure pilot-operated type adjusting valve according to claim 1, is characterized in that, the upper and lower both sides of described main valve plug are equipped with sealing inclined-plane, and inside described sleeve, upper and lower two ends arrange seal boss, and described boss is sealed and matched with sealing inclined-plane.
4. High Temperature High Pressure pilot-operated type adjusting valve according to claim 3, is characterized in that, the sealing inclined-plane on the downside of the sealing surface of described seal boss and main valve plug forms certain angle and forms linear sealing.
5. High Temperature High Pressure pilot-operated type adjusting valve according to claim 1, is characterized in that, described pilot valve is positioned to be provided with below spool gland and matches with gland and shoulder for driving main valve plug up.
6. High Temperature High Pressure pilot-operated type adjusting valve according to claim 1, is characterized in that, described sleeve is provided with the through hole with flow passage.
7. High Temperature High Pressure pilot-operated type adjusting valve according to claim 1, is characterized in that, is provided with the first seal ring between described sleeve and valve seat.
8. High Temperature High Pressure pilot-operated type adjusting valve according to claim 1, is characterized in that, is provided with the second seal ring between described sleeve and valve gap.
9. High Temperature High Pressure pilot-operated type adjusting valve according to claim 1, is characterized in that, described flowing hole circumference arranges via hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520533561.8U CN204852387U (en) | 2015-07-22 | 2015-07-22 | High temperature high pressure guide formula governing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520533561.8U CN204852387U (en) | 2015-07-22 | 2015-07-22 | High temperature high pressure guide formula governing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204852387U true CN204852387U (en) | 2015-12-09 |
Family
ID=54742933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520533561.8U Expired - Fee Related CN204852387U (en) | 2015-07-22 | 2015-07-22 | High temperature high pressure guide formula governing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204852387U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224572A (en) * | 2016-09-20 | 2016-12-14 | 合肥通用机械研究院 | Double spool double-sealing face regulation valve |
| CN107893859A (en) * | 2017-11-08 | 2018-04-10 | 江苏国泉泵业制造有限公司 | A kind of pilot formula sleeve adjusting valve |
| CN113028071A (en) * | 2020-07-27 | 2021-06-25 | 浙江力诺流体控制科技股份有限公司 | Design method of pilot balance cage type regulating valve |
| CN118242442A (en) * | 2024-05-28 | 2024-06-25 | 杭州维赫控制仪表有限公司 | Anti-blocking structure and Y-shaped valve cover-free pneumatic stop valve |
-
2015
- 2015-07-22 CN CN201520533561.8U patent/CN204852387U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224572A (en) * | 2016-09-20 | 2016-12-14 | 合肥通用机械研究院 | Double spool double-sealing face regulation valve |
| CN107893859A (en) * | 2017-11-08 | 2018-04-10 | 江苏国泉泵业制造有限公司 | A kind of pilot formula sleeve adjusting valve |
| CN113028071A (en) * | 2020-07-27 | 2021-06-25 | 浙江力诺流体控制科技股份有限公司 | Design method of pilot balance cage type regulating valve |
| CN118242442A (en) * | 2024-05-28 | 2024-06-25 | 杭州维赫控制仪表有限公司 | Anti-blocking structure and Y-shaped valve cover-free pneumatic stop valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 325100 East Ou Industrial Zone, Oubei Town, Yongjia County, Wenzhou City, Zhejiang Province Patentee after: Jinfeng Fluid Control Technology Co.,Ltd. Address before: 325100 East Ou Industrial Park, North Ou, Yongjia County, Wenzhou City, Zhejiang Province Patentee before: ZHEJIANG JINFENG AUTOMATION METER Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 |