CN106812951A - Multilayer welding bellows steam valve - Google Patents
Multilayer welding bellows steam valve Download PDFInfo
- Publication number
- CN106812951A CN106812951A CN201710009263.2A CN201710009263A CN106812951A CN 106812951 A CN106812951 A CN 106812951A CN 201710009263 A CN201710009263 A CN 201710009263A CN 106812951 A CN106812951 A CN 106812951A
- Authority
- CN
- China
- Prior art keywords
- valve
- diaphragm
- bonnet
- multilayer
- bellows
- 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
Links
- 238000003466 welding Methods 0.000 title claims abstract description 27
- 238000004804 winding Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000000956 alloy Substances 0.000 claims abstract description 4
- 238000005552 hardfacing Methods 0.000 claims abstract description 4
- 238000012805 post-processing Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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
-
- 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
- F16K1/32—Details
-
- 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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
- Diaphragms And Bellows (AREA)
- Details Of Valves (AREA)
Abstract
Multilayer welding bellows steam valve, is related to steam valve.The multilayer being welded by upper, middle and lower diaphragm series winding is provided and welds bellows structure, medium-tight be isolated from the outside by can be allowed medium and ensure medium without leakage in valve pocket, it is adaptable to the multilayer welding bellows steam valve of steam pipe system and condensed water in high temperature operating mode.Valve body, valve seat, valve element, bonnet, valve rod, multilayer welding bellows, middle part pad, hex bolts, handwheel, nut are provided with, the bonnet top is provided with internal thread through hole, and valve rod is provided with and screws into bonnet internal thread through hole；The hardfacing alloy material post-processing of body cavity inlet end is into valve seat, multilayer welding bellows is welded by diaphragm in upper diaphragm, multilayer and lower diaphragm series winding, multilayer welding bellows upper diaphragm is welded and fused with valve element upper end, the lower cylindrical end of diaphragm and concave station welded seal in bonnet, middle part pad is put into valve body upper recess, and bonnet is fastenedly connected sealing with valve body hex bolts.Valve rod upper end is provided with handwheel.
Description
Technical field
The present invention relates to steam valve, more particularly, to a kind of multilayer welding bellows steam suitable for steam pipeline net
Valve.
Background technology
General general valve is all from the stop valve or gate valve of metal sealing in vapour system.Stop valve and gate valve
Valve rod rotates in the valve stem nut on valve body top and moves up and down, band seal valve valve open and close valve.Existing stop valve and
The structure of gate valve is that valve inlet is connected with uuper valve chamber, and dielectric corrosion is easily received at the valve rod position in valve pocket, when using one section
Between after airtight and watertight padding by valve rod rotate abrasion, often produce the phenomenon of leakage；Especially the part of metal material is in steam system
High-temperature steam and condensed water in high temperature operating mode in system use easily generation steam corrosion strikes and corrosion phenomenon.Thus in vapour system
With valve often occur leakage phenomenon be user's common problem.
Chinese patent CN104279004A discloses a kind of valve (V) of expansion machine for motor vehicles, is particularly steam
Valve.Valve (V) includes：Supply space (1), particularly flowing steam space, particularly medium, steam can be by valves supply (2)
It is supplied in supply space；Working space (3), medium can be supplied in working space from supply space (1), and medium can be
Wherein expand or compress；Valve member (4), can open or close the company between supply space and working space by valve member
Connect；And reciprocating type valve rod (5), it is preferably connected on valve member (4) by the first sub-segments (5.1), and can be by second
Sub-segments (5.2) are controlled.Especially, valve (V) is characterised by that fold formula bellows (7) and/or valve reverse element (8), fold
Formula bellows is used for partly seal operation space (3), and valve reverses element for making valve member (4) reverse, and is arranged in confession
To in space (1).
Chinese patent CN2632412Y discloses a kind of bellows stop valve, and it includes valve body, flap, pin, valve rod, valve
Lid, valve stem nut, handwheel, clamp nut, it also includes bellows component, and the bellows component is by bellows and bellows
Cover composition, mounted in valve rod outside, the lower end of bellows is welded on the flap in valve body or valve rod bellows-sheathed, bellows it is upper
End welds together with bellows cover, and the outer of bellows cover is crimped on the joint portion of valve body and bonnet by fixation；The valve rod
Alignment pin is provided with, locating slot is provided with described bonnet；Medium is separated with valve rod by bellows and bellows cover, is made
Valve rod seepage will not again occur with valve cover chamber alike；The locating slot being arranged in bonnet defines the displacement of bellows and valve rod
Amount, it is to avoid the accidental damage that valve rod, bellows and bellows cover are caused due to misoperation.
Chinese patent CN203926817U discloses a kind of bellows stop valve, including bonnet, valve body, valve clack cover, bellows,
Valve rod and limiting plate, the bonnet are arranged on the valve body, and valve pocket is provided with the valve body, and the bottom of the valve rod passes through institute
State bonnet to extend in the valve pocket, the bottom of the valve rod is provided with the flap connected by the valve clack cover, in the valve pocket
The valve rod be provided with bellows, the lower end of the bellows is fixed on the valve rod by the limiting plate, the ripple
The valve pocket inwall around line pipe is provided with spacing annulus.The utility model is provided with spacing annulus and limiting plate, by spacing
Annulus blocks limiting plate, and then prevents bellows to be overly compressed, and extends the service life of bellows, also extends bellows
The life-span of stop valve.
The content of the invention
The purpose of the present invention is directed to the above mentioned problem existing for existing commonly used steam valve, there is provided one kind is by upper
The multilayer welding bellows structure that diaphragm and lower diaphragm series winding are welded in diaphragm, multilayer, can be by medium-tight in valve pocket
Allow medium to be isolated from the outside and ensure medium without leakage, it is adaptable to the multilayer welding ripple of steam pipe system and condensed water in high temperature operating mode
Pipe steam valve.
The present invention be provided with valve body, valve seat, valve element, bonnet, valve rod, multilayer welding bellows, middle part pad, hex bolts,
Handwheel, nut, the bonnet top are provided with internal thread through hole, and valve rod is provided with and screws into bonnet internal thread through hole；In valve body
Into valve seat, multilayer welding bellows is by diaphragm in upper diaphragm, multilayer and lower diaphragm for chamber inlet end hardfacing alloy material post-processing
Series winding is welded, and multilayer welding bellows upper diaphragm is welded and fused with valve element upper end, the lower cylindrical end of diaphragm and bonnet
Interior concave station welded seal, middle part pad is put into valve body upper recess, and bonnet is fastenedly connected sealing with valve body hex bolts.Valve rod
Upper end is provided with handwheel and uses nut check.
The valve body two ends are connected with pipeline can be connected or be welded to connect using threaded connection, flange.
It is commonly utilized in compared with the stop valve of vapour system, gate valve with existing, the present invention has advantages below：
1. multilayer welding bellows is using upper diaphragm and the welded and lower diaphragm of valve element and the structure of bonnet welded seal
Medium in valve pocket can be isolated from the outside, it is ensured that medium is without leakage.
2. the design of valve rod position no-arbitrary pricing, frictional force is reduced in open and close valve, easy to operate.
Compared with existing commonly used bellows valve, the present invention has advantages below：
1. multilayer welding bellows is capable of achieving big displacement using diaphragm in upper diaphragm, multilayer and the series winding welding of lower diaphragm, small
Volume, superior performance.
2. the upper diaphragm of multilayer welding bellows, middle diaphragm, lower diaphragm its simple structure, can use according to different pressures section
Different-thickness is applied widely with needed for meeting different operating modes.
3. valve element is welded to connect that one reliability is high with upper diaphragm, and sensitivity is good.
4. the security reliability when boss design of stem bottom ensures that the valve is used；The boss may also act to it is spacing,
It is without damage during the welding bellows overvoltage of protection multilayer, improve the functional reliability of the valve.
Brief description of the drawings
Fig. 1 is the structure composition schematic diagram of the embodiment of the present invention.
Fig. 2 is the structure composition schematic diagram of the multilayer welding bellows of the embodiment of the present invention.
Specific embodiment
Referring to Fig. 1 and Fig. 2, the embodiment of the present invention is provided with valve body 1, valve seat 2, valve element 3, bonnet 6, valve rod 8, multilayer welding ripple
Line pipe 4, middle part pad 5, hex bolts 7, handwheel 9, nut 10, the top of the bonnet 6 are provided with internal thread through hole, and valve rod 8 is provided with
Screw into the internal thread through hole of bonnet 6；The inner chamber inlet end hardfacing alloy material post-processing of valve body 1 is welded into valve seat 2, multilayer
Bellows 4 by diaphragm 42 in upper diaphragm 41, multilayer and lower diaphragm 43 series winding be welded, multilayer welding bellows upper diaphragm 41 with
Valve element upper end is welded and fused, and the outer nose circle of lower diaphragm 43 is put into valve body 1 with concave station welded seal in bonnet 6, middle part pad 5
Upper recess, bonnet 6 is fastenedly connected sealing with valve body 1 with hex bolts 7.The upper end of valve rod 8 is provided with handwheel 9 and is locked with nut 10
Tightly.
Claims (2)
1. multilayer welding bellows steam valve, it is characterised in that be provided with valve body, valve seat, valve element, bonnet, valve rod, multilayer welding ripple
Line pipe, middle part pad, hex bolts, handwheel, nut, the bonnet top are provided with internal thread through hole, and valve rod is provided with external thread rotary
Enter bonnet internal thread through hole；, into valve seat, multilayer welding bellows is by upper for the hardfacing alloy material post-processing of body cavity inlet end
Diaphragm and lower diaphragm series winding are welded in diaphragm, multilayer, and multilayer welding bellows upper diaphragm is linked to be with the welding of valve element upper end
Integrally, the lower cylindrical end of diaphragm and concave station welded seal in bonnet, middle part pad are put into valve body upper recess, and bonnet uses six with valve body
Corner bolt is fastenedly connected sealing.Valve rod upper end is provided with handwheel and uses nut check.
2. multilayer welding bellows steam valve as claimed in claim 1, it is characterised in that the valve body two ends are connected with pipeline adopts
Connected or be welded to connect with threaded connection, flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710009263.2A CN106812951A (en) | 2017-01-06 | 2017-01-06 | Multilayer welding bellows steam valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710009263.2A CN106812951A (en) | 2017-01-06 | 2017-01-06 | Multilayer welding bellows steam valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106812951A true CN106812951A (en) | 2017-06-09 |
Family
ID=59110951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710009263.2A Pending CN106812951A (en) | 2017-01-06 | 2017-01-06 | Multilayer welding bellows steam valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106812951A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255187A (en) * | 2017-08-04 | 2017-10-17 | 英侨机械制造有限公司 | Bellows steam valve for vapour system |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4199850A (en) * | 1975-09-11 | 1980-04-29 | Velan Engineering Ltd. | Method of making a diaphragm valve |
| CN2546698Y (en) * | 2002-05-14 | 2003-04-23 | 台州振华阀门厂 | Corrugated pipe shutoff valve |
| CN2632412Y (en) * | 2003-07-04 | 2004-08-11 | 浙江浙东高中压阀门制造有限公司 | Cut-off valve of corrugated pipe |
| CN201152385Y (en) * | 2008-01-28 | 2008-11-19 | 浙江派沃自控仪表有限公司 | Self-operated type flow control valve |
| CN101865327A (en) * | 2010-06-13 | 2010-10-20 | 无锡智能自控工程有限公司 | Control valve with bellows reverse pressure-bearing sealing structure |
| CN104696585A (en) * | 2015-03-30 | 2015-06-10 | 南通市天源阀门制造有限公司 | Multi-protection corrugated pipe stop valve for chlorine |
| CN105003655A (en) * | 2015-05-15 | 2015-10-28 | 扬中市阀门厂有限公司 | High-pressure connecting rod type bellows globe valve |
| CN204961859U (en) * | 2015-09-29 | 2016-01-13 | 洪火城 | Electronic aseptic stop valve of manual pneumatics |
| CN204961847U (en) * | 2015-09-29 | 2016-01-13 | 洪火城 | Novel germfree diaphragm stop valve |
| CN106122502A (en) * | 2016-08-29 | 2016-11-16 | 江苏明汇阀门有限公司 | Bellows stop valve special for chlorine |
| CN206478234U (en) * | 2017-01-06 | 2017-09-08 | 英侨机械制造有限公司 | A kind of multilayer welding bellows steam valve |
-
2017
- 2017-01-06 CN CN201710009263.2A patent/CN106812951A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4199850A (en) * | 1975-09-11 | 1980-04-29 | Velan Engineering Ltd. | Method of making a diaphragm valve |
| CN2546698Y (en) * | 2002-05-14 | 2003-04-23 | 台州振华阀门厂 | Corrugated pipe shutoff valve |
| CN2632412Y (en) * | 2003-07-04 | 2004-08-11 | 浙江浙东高中压阀门制造有限公司 | Cut-off valve of corrugated pipe |
| CN201152385Y (en) * | 2008-01-28 | 2008-11-19 | 浙江派沃自控仪表有限公司 | Self-operated type flow control valve |
| CN101865327A (en) * | 2010-06-13 | 2010-10-20 | 无锡智能自控工程有限公司 | Control valve with bellows reverse pressure-bearing sealing structure |
| CN104696585A (en) * | 2015-03-30 | 2015-06-10 | 南通市天源阀门制造有限公司 | Multi-protection corrugated pipe stop valve for chlorine |
| CN105003655A (en) * | 2015-05-15 | 2015-10-28 | 扬中市阀门厂有限公司 | High-pressure connecting rod type bellows globe valve |
| CN204961859U (en) * | 2015-09-29 | 2016-01-13 | 洪火城 | Electronic aseptic stop valve of manual pneumatics |
| CN204961847U (en) * | 2015-09-29 | 2016-01-13 | 洪火城 | Novel germfree diaphragm stop valve |
| CN106122502A (en) * | 2016-08-29 | 2016-11-16 | 江苏明汇阀门有限公司 | Bellows stop valve special for chlorine |
| CN206478234U (en) * | 2017-01-06 | 2017-09-08 | 英侨机械制造有限公司 | A kind of multilayer welding bellows steam valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255187A (en) * | 2017-08-04 | 2017-10-17 | 英侨机械制造有限公司 | Bellows steam valve for vapour system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170609 |