CN205937894U - Corrugated pipe stop valve for chlorine - Google Patents
Corrugated pipe stop valve for chlorine Download PDFInfo
- Publication number
- CN205937894U CN205937894U CN201620965546.5U CN201620965546U CN205937894U CN 205937894 U CN205937894 U CN 205937894U CN 201620965546 U CN201620965546 U CN 201620965546U CN 205937894 U CN205937894 U CN 205937894U
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- valve
- valve rod
- bellows
- nut
- filler
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Abstract
Corrugated pipe stop valve for chlorine relates to special valve field, and including valve body, valve rod, valve clack, disk seat, valve gap, the valve body includes into, export, mid -mounting mouth, imports and exports and sets up interface flange respectively, and the mid -mounting mouth sets up well flange, and the valve gap passes through flange, bolt, nut and well flange fixed connection, the disk seat is connected through the passageway baffle in the middle part in the valve body, and the valve rod passes through the valve gap installation, valve clack fixed connection is in the inner of valve rod, and the valve clack closely cooperates with the disk seat, sets up packing seal mechanism between valve rod and the valve gap upper end, and valve rod elevating system is connected to the outer end of valve rod, set up the bellows subassembly in the valve body, bellows subassembly cover is put on the valve rod, and the bellows subassembly includes bellows, baffle, and bellows, baffle are the metal steel, and diaphragm welding is in the upper end of bellows, sets up the round notch at the internal orifice of well flange, and the baffle is shelved in the notch, the lower extreme of bellows and valve clack seal welded. This valve does not have leakage, high, the long service life of intensity.
Description
Technical field
This utility model is related to a kind of Special valve field, particularly to a kind of manufacturing technology neck of chlorine stop valve
Domain.
Background technology
Bellows stop valve special for chlorine is mainly used in the chlorine of chemical industry alkali chemical industry enterprises, liquid chlorine operating mode, and
Using on chlorine, enterprise's pipeline of liquid chlorine, connect or control the flowing of medium.Such valve domestic at present has Europe chlorine association criterion
And national standard two kinds of forms, but this standard valve, under some operating modes, be not suitable for it may appear that leak, perishable
Erosion, service life short, install loaded down with trivial details the problems such as.
Utility model content
In order to overcome now valvular defect, this utility model provides a kind of bellows stop valve special for chlorine.
This utility model includes valve body, valve rod, flap, valve seat, valve gap, and described valve body includes import and export, middle part is installed
Mouthful, described import and export are respectively provided with flange, flange in the setting of described middle part installing port, described valve gap pass through flange, bolt,
Nut is fixedly connected with described middle flange；In described valve body, middle part connects described valve seat by channel partition, and described valve rod passes through
Described valve gap is installed, and valve rod one end is arranged in described valve body, and the other end of described valve rod is arranged on outside described valve gap, described valve
Lobe is fixedly connected on the inner of described valve rod, described flap and described valve seat tight fit, described valve rod and described valve gap upper end
Packing seal mechanism is set between portion, and the outer end of described valve rod connects valve rod elevating mechanism；Corrugated tube is set in described valve body
Assembly, described bellows component is nested with described valve rod, and described bellows component includes corrugated tube, dividing plate, described corrugated tube,
Dividing plate is metallic steel and makes, and described dividing plate is welded on the upper end of described corrugated tube, in internal orifice setting one circle of described middle flange
Recess, described dividing plate is shelved in described recess, the lower end of described corrugated tube and described flap sealing welding.
This utility model is respectively provided with teflon gasket in the both sides of described dividing plate, described teflon gasket and
Described dividing plate is placed in the recess of described middle flange together, and valve gap compresses described dividing plate and teflon gasket.
Metal ring, described bellows lower end and institute are set between bellows lower end described in the utility model and described flap
State between flap by described metal ring sealing welding.Medium so can be stoped to go out to enter bellows interior from flap produce
Leakage.
This utility model is sealed by bellows component, bellows component upper end arrange a C276 Steel material every
Plate, dividing plate and corrugated tube integral solder constituent components, a PTFE pad, lower gasket and valve are respectively placed in the position up and down of dividing plate
Body constitutes sealing pair, and upper gasket constitutes sealing pair with valve gap, is all placed in flange recess in valve body, valve gap is passed through with valve body
Bolt forms two airtight sealing pairs after tightening up, because PTFE has very strong plastic deformation, in the change of pipeline medium temperature
In the case of, in Reliable guarantee, the sealing compensation of flange, sealed reliable, no leak outside；
Bellows component lower end and flap sealing welding, upper end and valve body valve gap adopt flange gasket in PTFE to float even
Connect, medium is effectively controlled in valve body body cavity.This bellows component more other corrugated tube stroke is short, and deflection is little, using the longevity
Life length.Avoid conventional bellows valve corrugated tube upper end and stuffing-box to weld, how a leakage point, and bring potential safety hazard.
Valve rod elevating mechanism described in the utility model includes the support post being wholely set with valve gap, also include guide pad,
Handwheel, valve stem nut, locking nut, described support post upper end is wholely set installation set, and described guide pad is fixed on described valve
The top of bar, the end setting chute of described guide pad, described guide pad is coordinated on described support post by slide；
The supreme top in the top setting external screw thread of described valve rod, described valve stem nut is turnably spacing to be fixed in described installation set,
Described valve stem nut is threaded in described valve rod upper end, and described handwheel is nested with the valve stem nut above described installation set
On, described locking nut is threaded in described valve stem nut upper end.
This utility model passes through rotation hand wheel, the unlatching of control valve, closing, and handwheel rotarily drives valve stem nut and rotates, valve
Stem nut makes valve rod move up and down by screw thread, and valve rod drives flap and valve seat folding；Valve rod is monolithic construction, rises
Fall motion, during valve closing, the sealing surface of Reliable guarantee flap fits like a glove the sealing surface of valve seat, no crooked, sealed reliable.
Packing seal mechanism described in the utility model includes filler, gland, clamping screw, nut, described valve gap
Stuffing-box is set between upper end and valve rod, and described filler is arranged in described filler letter, and described filler gland is set in described valve
Outside bar, described filler gland is pressed in described filler, and bearing pin, split pin connection are passed through in described valve gap in described clamping screw lower end
Upper end, described clamping screw is passed through described filler gland, and described nut thread is connected on described clamping screw, by screwing
Nut pushes gland and compresses filler.Filler plays insurance sealing function.Once corrugated tube damages, filler can be effectively by medium
Block, will not leak outside, here function as insurance sealing function.
Valve body described in the utility model is the oval valve body of symmetry form.Not only fluid resistance is little, more for this valve body
Plus be easy to the installation of pipeline and connect, solves the problems, such as that conventional plain edition valve body installs string stud inconvenience.
Brief description
Fig. 1 is a kind of structural representation of the present utility model.
Specific embodiment
As shown in figure 1, this bellows stop valve special for chlorine, including valve body 1, valve rod 5, flap 3, valve seat 2, valve gap 7, valve
Body 1 is the oval valve body of symmetry form, valve body 1 include import and export 23,24, middle part installing port 25,23,24 points of import and export
Not She Zhi flange 26, flange 27 in middle part installing port 25 setting, valve gap 7 passes through flange, bolt 21, nut 22 and middle flange
27 are fixedly connected；In valve body 1, channel partition connecting valve seat 2 is passed through at middle part, and valve rod 5 is installed by valve gap 7, and valve rod 5 one end is arranged
In valve body 1, the other end of valve rod 5 is arranged on outside valve gap 7, and flap 3 is fixedly connected on the inner of valve rod 5, flap 3 and valve seat 2
It is fitted close, packing seal mechanism 28 is set between valve rod 5 and valve gap 7 upper end, the outer end of valve rod 5 connects valve rod elevating mechanism
29；Bellows component 4 is set in valve body 1, bellows component 4 is nested with valve rod 5, bellows component 4 include corrugated tube 30,
Dividing plate 31, corrugated tube 30, dividing plate 31 are metallic steel and make, and dividing plate 31 is welded on the upper end of corrugated tube 30, in middle flange 27
Internal orifice setting one circle recess 32, dividing plate 31 is shelved in recess 32, the lower end of corrugated tube 30 and flap 3 sealing welding.
It is respectively provided with teflon gasket 6 in the both sides of dividing plate 30, teflon gasket 6 is placed together with dividing plate 31
In the recess 32 of middle flange, valve gap 7 compresses dividing plate 31 and teflon gasket 6.
Between corrugated tube 30 lower end and flap 3, metal ring 33 is set, between corrugated tube 30 lower end and flap 3, passes through metal
Annulus 33 sealing welding.Medium so can be stoped to go out to enter bellows interior from flap and to produce leakage.
Preferably, valve rod elevating mechanism 29 includes the support post 34 being wholely set with valve gap 7, also include guide pad 18,
Handwheel 14, valve stem nut 17, locking nut 15, support post 34 upper end is wholely set installation set 35, and guide pad 18 passes through bolt
19th, nut 20 is fixed on the top of valve rod 5, the end setting chute of guide pad 18, and guide pad 18 is coordinated by slide
On support post 34；The supreme top in the top setting external screw thread of valve rod 5, valve stem nut 17 is turnably spacing to be fixed on described peace
In encapsulation 35, valve stem nut 17 is threaded in valve rod 5 upper end, and handwheel 14 is nested with the valve stem nut 17 above installation set 35
On, locking nut 15 is threaded in valve stem nut 17 upper end, arranges nameplate 16 between locking nut and handwheel.
Packing seal mechanism 28 includes filler 8, gland 12, clamping screw 9, nut 13, the upper end of valve gap 7 and valve rod
Stuffing-box is set between 5, and filler 8 is arranged in described filler letter, and gland 12 is set in outside valve rod 5, and gland 12 is pressed
On filler 8, bearing pin 10 is passed through in clamping screw 9 lower end, split pin 11 is connected to valve gap 7 upper end, and clamping screw 9 is passed through filler
Gland 12, nut 13 is threaded on clamping screw 9, pushes gland 12 by tightening nut 13 and compresses filler 8.Fill out
8 insurance sealing functions of material.Once corrugated tube 31 damages, medium can effectively be blocked by filler 8, will not leak outside, here function as guarantor
Dangerous sealing function.
Valve body, valve gap adopt Fine Steel Casting iron, and flap adopts 45# steel built-up welding A102 rustless steel, and valve seat adopts 45# steel compression moulding
Sintering PTFE, valve rod adopts 2Cr13, and bellows component adopts C276 steel, and gland adopts QT450-10 steel, and filler adopts
PTFE.
Claims (6)
1. bellows stop valve special for chlorine, including valve body, valve rod, flap, valve seat, valve gap, described valve body include import and export,
Middle part installing port, described import and export are respectively provided with flange, flange in the setting of described middle part installing port, and described valve gap passes through method
Orchid, bolt, nut are fixedly connected with described middle flange；In described valve body, middle part connects described valve seat by channel partition, described
Valve rod is installed by described valve gap, and valve rod one end is arranged in described valve body, and the other end of described valve rod is arranged on described valve gap
Outward, described flap is fixedly connected on the inner of described valve rod, and described flap is fitted close with described valve seat, described valve rod with described
Setting packing seal mechanism between valve gap upper end is it is characterised in that the outer end of described valve rod connects valve rod elevating mechanism；Institute
State setting bellows component in valve body, described bellows component is nested with described valve rod, and described bellows component includes ripple
Pipe, dividing plate, described corrugated tube, dividing plate are metallic steel and make, and described dividing plate is welded on the upper end of described corrugated tube, in described
The internal orifice setting one circle recess of flange, described dividing plate is shelved in described recess, and the lower end of described corrugated tube is close with described flap
Soldering and sealing connects.
2. bellows stop valve special for chlorine according to claim 1 is it is characterised in that distinguish in the both sides of described dividing plate
Setting teflon gasket, described teflon gasket is placed in the recess of described middle flange together with described dividing plate,
Valve gap compresses described dividing plate and teflon gasket.
3. bellows stop valve special for chlorine according to claim 1 it is characterised in that described bellows lower end with described
Between flap, metal ring is set, by described metal ring sealing welding between described bellows lower end and described flap.
4. bellows stop valve special for chlorine according to claim 1 is it is characterised in that described valve rod elevating mechanism includes
The support post being wholely set with valve gap, also includes guide pad, handwheel, valve stem nut, locking nut, described support post upper end
It is wholely set installation set, described guide pad is fixed on the top of described valve rod, the end setting chute of described guide pad, described lead
Coordinated on described support post to block by slide；The supreme top in the top setting external screw thread of described valve rod, described valve
Stem nut is turnably spacing to be fixed in described installation set, and described valve stem nut is threaded in described valve rod upper end, institute
State handwheel to be nested with the valve stem nut above described installation set, described locking nut is threaded on described valve stem nut
End.
5. bellows stop valve special for chlorine according to claim 1 is it is characterised in that described filler sealing mechanism includes
Filler, gland, clamping screw, nut, arrange stuffing-box between the upper end of described valve gap and valve rod, described filler is arranged on
In described filler letter, described filler gland is set in outside described valve rod, and described filler gland is pressed in described filler, described locking
Bearing pin, split pin connection are passed through in described valve gap upper end in bolt lower end, and described clamping screw is passed through described filler gland, described
Nut thread is connected on described clamping screw, pushes gland by tightening nut and compresses filler.
6. bellows stop valve special for chlorine according to claim 1 is it is characterised in that described valve body is symmetry form
Oval valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620965546.5U CN205937894U (en) | 2016-08-29 | 2016-08-29 | Corrugated pipe stop valve for chlorine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620965546.5U CN205937894U (en) | 2016-08-29 | 2016-08-29 | Corrugated pipe stop valve for chlorine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205937894U true CN205937894U (en) | 2017-02-08 |
Family
ID=57953491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620965546.5U Active CN205937894U (en) | 2016-08-29 | 2016-08-29 | Corrugated pipe stop valve for chlorine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205937894U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122502A (en) * | 2016-08-29 | 2016-11-16 | 江苏明汇阀门有限公司 | Bellows stop valve special for chlorine |
| EP4001721A1 (en) * | 2020-11-20 | 2022-05-25 | Gysi Management AG | Valve |
| EP4001717A1 (en) * | 2020-11-20 | 2022-05-25 | Gysi Management AG | Valve |
-
2016
- 2016-08-29 CN CN201620965546.5U patent/CN205937894U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122502A (en) * | 2016-08-29 | 2016-11-16 | 江苏明汇阀门有限公司 | Bellows stop valve special for chlorine |
| EP4001721A1 (en) * | 2020-11-20 | 2022-05-25 | Gysi Management AG | Valve |
| EP4001717A1 (en) * | 2020-11-20 | 2022-05-25 | Gysi Management AG | Valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |