CN105003655A - High-pressure connecting rod type bellows globe valve - Google Patents
High-pressure connecting rod type bellows globe valve Download PDFInfo
- Publication number
- CN105003655A CN105003655A CN201510248013.5A CN201510248013A CN105003655A CN 105003655 A CN105003655 A CN 105003655A CN 201510248013 A CN201510248013 A CN 201510248013A CN 105003655 A CN105003655 A CN 105003655A
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- Prior art keywords
- valve
- bellows
- rod
- welding
- sealing gasket
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Classifications
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
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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
- F16K41/00—Spindle sealings
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
A high-pressure connecting rod type bellows globe valve comprises a valve body, a valve base, a valve deck and a hand wheel. A bellows assembly is arranged inside the valve body and comprises a valve element, a bellows, a bellows welding sleeve, a welding bush and a valve rod. One end of the bellows is connected with the valve rod, and the other end of the bellows is connected with the bellows welding sleeve. A red copper sealing gasket is arranged between the valve body and the bellows welding sleeve. A sealing gasket is arranged between the valve base and the bellows welding sleeve. A filler pressing pad and a filler are sequentially arranged between the valve deck and the valve base. A jacking rod is arranged inside the valve deck. One end of the jacking rod is connected with the valve rod, and the other end of the jacking rod is provided with the hand wheel. The valve rod and the jacking rod are adopted for forming a connecting rod type pull-up device, and meanwhile the valve rod and the jacking rod are protected against corrosion through quadruple sealing of the red copper sealing gasket, the bellows, the sealing gasket and the filler; and assembly and replacement are more convenient, and sealing performance, high temperature resistance, high pressure resistance and corrosion resistance are better.
Description
Technical field
The present invention relates to a kind of stop valve technical field, specifically a kind of high-pressure connecting rod formula bellows stop valve.
Background technique
Bellows stop valve inside adopts bellows structure, and stainless bellows-welding is in valve rod lower end, and to prevent process fluid etch valve rod, the valve rod the other end is placed between valve body and valve gap and forms static seal.
Current bellows stop valve, substantially be bellows component and valve body by body top end face press seal gasket seal and the current bellows stop valve structure of China is single, under the working condition of low pressure, low temperature and security medium can only be applied in, and working life is short, be not suitable for high temperature, high pressure and the dangerous or pipeline that may damage environment, life and place.
Therefore promoting the sealability of bellows stop valve and protection valve rod, not weather be the key factor widening bellows stop valve application area, and the keying and the control gear that bellows stop valve are applied to poisonous, radioactivity in industrial pipeline and other pipeline or the hazardous medium such as inflammable and explosive become study hotspot.
Summary of the invention
The object of this invention is to provide a kind of high-pressure connecting rod formula bellows stop valve; adopt valve rod and open rising stem and form linkage type and draw high device; the valve rod and open rising stem and do not weather by the quadruple seal protection of red copper sealing gasket, bellows, sealing gasket and filler simultaneously; assembling and change more convenient, sealing and high temperature resistant, high pressure, corrosivity are better.
For the scheme of the present invention that solves the problem:
A kind of high-pressure connecting rod formula bellows stop valve, comprise valve body, valve seat, valve gap and handwheel, described valve body both sides are provided with import and outlet, import and the outlet port of valve body are equipped with connecting tube, described connecting tube and valve body import and be provided with sealing gasket between exporting, connecting tube realizes being fixedly linked by attaching nut and valve body, bellows component is provided with in described valve body, described bellows component comprises spool, bellows, bellows-welding cover, welding lining, valve rod, described bellows one end is connected with valve rod, the other end overlaps with bellows-welding and is connected, described bellows one end is connected with valve rod, the other end overlaps with bellows-welding and is connected, valve rod is provided with between overlapping with bellows-welding and welds lining, red copper sealing gasket is provided with between valve body and bellows-welding overlap, described valve body top is provided with outside thread, upper internal threaded and lower internal thread is provided with in described valve seat, described lower internal thread and outside thread with the use of, sealing gasket is provided with between described valve seat and bellows-welding overlap, described valve gap outside is provided with outside thread, inside is provided with internal thread and bayonet lock, the outside thread of described valve gap and the upper internal threaded of valve seat with the use of, described valve seat outside is provided with locking nut, tightening retaining nuts is located, filler pressure pad and filler is provided with successively between valve gap and valve seat, be provided with in described valve gap and open rising stem, described rising stem outside of opening is provided with outside thread, by being connected with the screw-internal thread fit of valve gap, described rising stem one end of opening is connected with valve rod, open to be provided with between rising stem and valve rod and open rising stem pressure pad, open the rising stem the other end and handwheel is installed, handwheel is provided with cover type nut from top to bottom successively, locking nut, to carve characters nameplate, pad.
Above-mentioned a kind of high-pressure connecting rod formula bellows stop valve, wherein, described sealing gasket and filler are teflon material.
Above-mentioned a kind of high-pressure connecting rod formula bellows stop valve, wherein, described in open rising stem and be a kind of thick-walled structure and outer diameter is consistent with valve rod external diameter.
Beneficial effect of the present invention is:
A kind of high-pressure connecting rod formula bellows stop valve provided by the invention, structure is simple, reasonable in design, adopt valve rod and open rising stem and form linkage type and draw high device, open rising stem and be a kind of thick-walled structure and outer diameter is consistent with valve rod external diameter, make stability under loading and be convenient to assembling and change, reducing cost, valve rod and opening to be provided with between rising stem and to open rising stem pressure pad and make sealability better; By the double seal of red copper sealing gasket and bellows, bellows-welding cover protects valve rod and does not contact with transmission medium, and sealing gasket and filler open as ensure that while third and fourth layer of sealing the sealing and corrosion resistance that rising stem is connected with valve rod.The superiority of sealing gasket and filler material improves sealing and the serviceability of bellows stop valve.
If the present invention adopts the Seal Design red copper sealing gasket of quadruple and bellows to lose efficacy, sealing gasket and filler also can be avoided leaking, bellows is welded in the ride quality that valve rod keeps stable, avoid because valve plug vibration causes valve rod to vibrate, the structure that valve open stops back seal has not only cut off MEDIA FLOW effectively to bellows, alleviate the temperature of the upper components such as bellows, pressure influence and leakage factor, and limit the stroke of valve switch, increase the service life, avoid occurring the frequent phenomenon changed.
Accompanying drawing explanation
Fig. 1 is structural drawing of the present invention.
Fig. 2 is part A partial enlarged drawing of the present invention.
Fig. 3 is part B partial enlarged drawing of the present invention.
Embodiment
As shown in the figure, a kind of high-pressure connecting rod formula bellows stop valve, comprise valve body 23, valve seat 21, valve gap 14 and handwheel 15, described valve body 23 both sides are provided with import 32 and outlet 33, the import 32 of valve body is equipped with connecting tube 1 with outlet 33 places, described connecting tube 1 and valve body 23 import and be provided with sealing gasket 2 between exporting, connecting tube 1 realizes being fixedly linked with valve body 23 by attaching nut 3, bellows component 24 is provided with in described valve body 23, described bellows component 24 comprises spool 4, bellows 5, bellows-welding cover 7, welding lining 8, valve rod 11, described bellows 5 one end is connected with spool 4, the other end and bellows-welding overlap 7 and are connected, described valve rod 11 is connected on spool 4 through bellows-welding cover 7 and bellows 5, valve rod 11 is provided with between overlapping 7 with bellows-welding and welds lining 8, valve body 23 and bellows-welding are provided with red copper sealing gasket 6 between overlapping 7, described valve body 32 top is provided with outside thread 31, upper internal threaded 29 and lower internal thread 30 is provided with in described valve seat 21, described lower internal thread 30 and outside thread 31 with the use of, described valve seat 21 and bellows-welding are provided with sealing gasket 22 between overlapping 7, described valve gap 14 outside is provided with outside thread 28, inside is provided with internal thread 26 and bayonet lock 27, the outside thread 28 of described valve gap 14 and the upper internal threaded 29 of valve seat 21 with the use of, described valve seat 21 outside is provided with locking nut 13, tightening retaining nuts 13 is located, filler pressure pad 10 and filler 9 is provided with successively between valve gap 14 and valve seat 21, be provided with in described valve gap 14 and open rising stem 12, described rising stem 12 outside of opening is provided with outside thread 25, by being connected with the internal thread 26 of valve gap 14, described rising stem 12 one end of opening is connected with valve rod 11, open to be provided with between rising stem 12 and valve rod 11 and open rising stem pressure pad 20, open rising stem 12 the other end and handwheel 15 is installed, handwheel 15 is provided with cover type nut 16 from top to bottom successively, locking nut 17, to carve characters nameplate 18, pad 19, described sealing gasket 2, 22 and filler 9 be teflon material.
Rotation hand wheel 15 drives and opens rising stem 12, opens rising stem 12 and is with ovable valve stem 11, and valve rod 11 drives the unlatching of bellows 5 extension and contraction control valve with closed.
The present invention adopts valve rod and opens rising stem and form linkage type and draw high device, open rising stem and be a kind of thick-walled structure and outer diameter is consistent with valve rod external diameter, make stability under loading and be convenient to assembling and change, reducing cost, valve rod and opening to be provided with between rising stem and to open rising stem pressure pad and make sealability better; By the double seal of red copper sealing gasket and bellows; bellows-welding cover protects valve rod and does not contact with transmission medium; sealing gasket and filler open as ensure that while third and fourth layer of sealing the sealing and corrosion resistance that rising stem is connected with valve rod; if the Seal Design red copper sealing gasket of this quadruple and bellows inefficacy sealing gasket and filler also can be avoided leaking; the superiority of sealing gasket and filler material improves sealing and the serviceability of bellows stop valve, for keying and the control of poisonous, the medium such as radioactivity or nitrose.
Above are only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses, the change that can expect easily or replacement, all should be encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (3)
1. a high-pressure connecting rod formula bellows stop valve, comprise valve body, valve seat, valve gap and handwheel, it is characterized by, described valve body both sides are provided with import and outlet, import and the outlet port of valve body are equipped with connecting tube, described connecting tube and valve body import and be provided with sealing gasket between exporting, connecting tube realizes being fixedly linked by attaching nut and valve body, bellows component is provided with in described valve body, described bellows component comprises spool, bellows, bellows-welding cover, welding lining, valve rod, described bellows one end is connected with valve rod, the other end overlaps with bellows-welding and is connected, described bellows overlaps gang welding on valve rod through welding on valve stem casing, valve rod is provided with between overlapping with bellows-welding and welds lining, red copper sealing gasket is provided with between valve body and bellows-welding overlap, described valve body top is provided with outside thread, upper internal threaded and lower internal thread is provided with in described valve seat, described lower internal thread and outside thread with the use of, sealing gasket is provided with between described valve seat and bellows-welding overlap, described valve gap outside is provided with outside thread, inside is provided with internal thread and bayonet lock, the outside thread of described valve gap and the upper internal threaded of valve seat with the use of, described valve seat outside is provided with locking nut, tightening retaining nuts is located, filler pressure pad and filler is provided with successively between valve gap and valve seat, be provided with in described valve gap and open rising stem, described rising stem outside of opening is provided with outside thread, by being connected with the screw-internal thread fit of valve gap, described rising stem one end of opening is connected with valve rod, open to be provided with between rising stem and valve rod and open rising stem pressure pad, open the rising stem the other end and handwheel is installed, handwheel is provided with cover type nut from top to bottom successively, locking nut, to carve characters nameplate, pad.
2. a kind of high-pressure connecting rod formula bellows stop valve as claimed in claim 1, it is characterized by, described sealing gasket and filler are teflon material.
3. a kind of high-pressure connecting rod formula bellows stop valve as claimed in claim 1, is characterized by, described in open rising stem and be a kind of thick-walled structure and outer diameter is consistent with valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510248013.5A CN105003655A (en) | 2015-05-15 | 2015-05-15 | High-pressure connecting rod type bellows globe valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510248013.5A CN105003655A (en) | 2015-05-15 | 2015-05-15 | High-pressure connecting rod type bellows globe valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105003655A true CN105003655A (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510248013.5A Pending CN105003655A (en) | 2015-05-15 | 2015-05-15 | High-pressure connecting rod type bellows globe valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN105003655A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812951A (en) * | 2017-01-06 | 2017-06-09 | 英侨机械制造有限公司 | Multilayer welding bellows steam valve |
| CN107044564A (en) * | 2017-03-28 | 2017-08-15 | 江苏星河阀门有限公司 | The valve group of HTHP bellows five |
| CN107255187A (en) * | 2017-08-04 | 2017-10-17 | 英侨机械制造有限公司 | Bellows steam valve for vapour system |
| CN108331945A (en) * | 2018-04-04 | 2018-07-27 | 盐城雄威石化通用机械设备有限公司 | A kind of multifunctional control valve |
| CN113565995A (en) * | 2021-08-07 | 2021-10-29 | 纽顿流体科技有限公司 | Bellows seal steam distribution tube bundle system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2184143A5 (en) * | 1972-05-08 | 1973-12-21 | Alsthom Cgee | |
| CN101334116A (en) * | 2008-07-11 | 2008-12-31 | 江苏星河集团有限公司 | Stop valve of bellows instrument |
| CN201215219Y (en) * | 2008-07-11 | 2009-04-01 | 江苏星河集团有限公司 | High-temperature high-pressure bellows instrument block valve with radiation fin structure |
| CN201461964U (en) * | 2009-08-18 | 2010-05-12 | 西安核设备有限公司革新阀门厂 | High-pressure bellows stop valve |
| CN103244696A (en) * | 2013-05-17 | 2013-08-14 | 江苏星河阀门有限公司 | External-pressure type bellows globe valve with non-rotating valve rod |
| CN203614767U (en) * | 2013-12-27 | 2014-05-28 | 浙江科正阀门有限公司 | Corrugated pipe forged steel valve |
| CN104089035A (en) * | 2014-07-21 | 2014-10-08 | 江苏星河阀门有限公司 | Valve rod irrotational structure of corrugated pipe check valve |
| CN204828680U (en) * | 2015-05-15 | 2015-12-02 | 扬中市阀门厂有限公司 | High -pressure connecting rod formula bellows stop valve |
-
2015
- 2015-05-15 CN CN201510248013.5A patent/CN105003655A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2184143A5 (en) * | 1972-05-08 | 1973-12-21 | Alsthom Cgee | |
| CN101334116A (en) * | 2008-07-11 | 2008-12-31 | 江苏星河集团有限公司 | Stop valve of bellows instrument |
| CN201215219Y (en) * | 2008-07-11 | 2009-04-01 | 江苏星河集团有限公司 | High-temperature high-pressure bellows instrument block valve with radiation fin structure |
| CN201461964U (en) * | 2009-08-18 | 2010-05-12 | 西安核设备有限公司革新阀门厂 | High-pressure bellows stop valve |
| CN103244696A (en) * | 2013-05-17 | 2013-08-14 | 江苏星河阀门有限公司 | External-pressure type bellows globe valve with non-rotating valve rod |
| CN203614767U (en) * | 2013-12-27 | 2014-05-28 | 浙江科正阀门有限公司 | Corrugated pipe forged steel valve |
| CN104089035A (en) * | 2014-07-21 | 2014-10-08 | 江苏星河阀门有限公司 | Valve rod irrotational structure of corrugated pipe check valve |
| CN204828680U (en) * | 2015-05-15 | 2015-12-02 | 扬中市阀门厂有限公司 | High -pressure connecting rod formula bellows stop valve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812951A (en) * | 2017-01-06 | 2017-06-09 | 英侨机械制造有限公司 | Multilayer welding bellows steam valve |
| CN107044564A (en) * | 2017-03-28 | 2017-08-15 | 江苏星河阀门有限公司 | The valve group of HTHP bellows five |
| CN107255187A (en) * | 2017-08-04 | 2017-10-17 | 英侨机械制造有限公司 | Bellows steam valve for vapour system |
| CN108331945A (en) * | 2018-04-04 | 2018-07-27 | 盐城雄威石化通用机械设备有限公司 | A kind of multifunctional control valve |
| CN113565995A (en) * | 2021-08-07 | 2021-10-29 | 纽顿流体科技有限公司 | Bellows seal steam distribution tube bundle system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151028 |
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| RJ01 | Rejection of invention patent application after publication |