CN206206770U - A kind of stop valve of sylphon seal - Google Patents
A kind of stop valve of sylphon seal Download PDFInfo
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- CN206206770U CN206206770U CN201621195190.8U CN201621195190U CN206206770U CN 206206770 U CN206206770 U CN 206206770U CN 201621195190 U CN201621195190 U CN 201621195190U CN 206206770 U CN206206770 U CN 206206770U
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- valve
- bonnet
- seal
- bellows
- valve body
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Abstract
The utility model is related to a kind of stop valve of sylphon seal, including valve body, valve element, bonnet and valve rod, runner and seal spool hole are provided with valve body, valve rod and valve element are installed in valve body, valve rod drives seal spool hole for linear motion along the center line in seal spool hole, valve element seals runner when coordinating with seal spool hole and is cut off, bonnet is arranged at the installing port above valve body, valve body is provided with reinforcement chamber around valve rod, bellows is provided with the reinforcement chamber, the bellows-sheathed is located at stem outer circumference, valve rod is respectively arranged with bellows fixed bit positioned at bellows upper and lower ends.Using such scheme, the utility model provides a kind of stop valve of the sylphon seal for improving the combination property between valve rod and valve body.
Description
Technical field
The utility model is related to a kind of valve, and in particular to a kind of stop valve of sylphon seal.
Background technology
The opening and closing element of stop valve is the valve element of stopper, and sealing surface is in plane or the conical surface, valve element along seal spool hole center
Line is for linear motion, is suitable as cut-out runner and uses.
Traditional stop valve includes valve body, valve element and valve rod, and runner and seal spool hole, valve rod and valve are provided with valve body
Core is installed in valve body, and valve rod driving seal spool hole is for linear motion along the center line in seal spool hole, and valve element is close with valve element
Runner is cut off when sealing of hole sealing coordinates.
In order to avoid gap leakage of the fluid between valve rod and valve body, filler is often used between valve rod and valve body
Sealing, when valve applications in for it is inflammable, explosive, poisonous, have the special operation conditions such as radiating medium when, the sealing property of filler is then
Demand cannot be met.
The content of the invention
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of raising between valve rod and valve body
Combination property sylphon seal stop valve.
To achieve the above object, the utility model provides following technical scheme：Including valve body, valve element, bonnet and valve rod,
Runner and seal spool hole are provided with described valve body, described valve rod and valve element is installed in valve body, described valve rod drives
Movable valve plug sealing hole is for linear motion along the center line in seal spool hole, and described valve element is sealed with seal spool hole and flowed when coordinating
Road is cut off, and described bonnet is arranged at the installing port above valve body, it is characterised in that：Described valve body is provided with around valve rod
Strengthen chamber, bellows is provided with the reinforcement chamber, the bellows-sheathed is located at stem outer circumference, and it is upper and lower that described valve rod is located at bellows
Two ends are respectively arranged with bellows fixed bit.
By using above-mentioned technical proposal, bellows is set up, strengthen the combination property between valve rod and valve body, can adapt to
In it is inflammable, explosive, poisonous, have the special operation conditions such as radiating medium, using bellows fixed bit, by bellows, valve rod, bonnet,
Valve element is combined as a unit, and integral installation increases the convenience of dismounting in valve body.
The utility model is further arranged to：Also include handwheel and valve stem nut, bonnet branch is provided with described bonnet
Frame, described valve stem nut coordinates with threaded stem, and described valve stem nut and bonnet holder pivots are limited in bonnet with merging
In support, described handwheel is located at bonnet outside and drives valve stem nut to rotate, and the described cavity wall for strengthening chamber is along valve rod axial direction
Gathering sill is provided with, described stem outer circumference is provided with the keeper of sliding and gathering sill.
By using above-mentioned technical proposal, can not be rotated in a circumferential direction because bellows is merely able to axial stretching, handwheel drives
Valve stem nut is rotated, and valve stem nut avoids bellows from being damaged because of distortion with the structure that ovable valve stem is lifted, so as to increase practicality.
The utility model is further arranged to：The bellows fixed bit that described valve rod is located at lower end is provided with for fixing
Bellows with cyclization, described keeper is to be inserted in the alignment pin with cyclization.
By using above-mentioned technical proposal, with cyclization on the one hand as the fixed bit of bellows, on the other hand as positioning
The installation position of part, makes structure further simplify.
The utility model is further arranged to：The bellows fixed bit that described valve rod is located at upper end is provided with inner ring and outer
Ring, is provided with the holding chamber of sandwiched corrugated tube end between described inner ring and outer shroud, described inner ring, outer shroud and bellows weldering
It is connected to holding chamber end.
Three parts are firmly welded on by using above-mentioned technical proposal, the holding chamber that inner ring is constituted with outer shroud
Together, it is to avoid thin-wall corrugated tube and the problem of heavy wall parts welding, fixing intensity is increased.
The utility model is further arranged to：Described outer shroud is located between valve body and bonnet, described outer shroud and valve
Seal is provided between body and bonnet.
It is the installation of realizing outer shroud while bonnet is installed by using above-mentioned technical proposal, increases install convenient,
And seal then avoids medium from outwardly being revealed from dielectric cavity is stored.
The utility model is further arranged to：It is equipped between described valve body and bonnet for both fixed spiral shells fixed
Bolt, described seal is the gasket seal being located at respectively between outer shroud and bonnet and outer shroud and valve body, described fixing bolt
Through each gasket seal.
By using above-mentioned technical proposal, the gasket seal that upper and lower both sides are set, by valve body, the bolt connection of bonnet,
The sealing between valve body, bonnet is not only ensured, the sealing of outer shroud and the positioning of outer shroud is also ensure that.
The utility model is further arranged to：Packing cavity is provided between described bonnet and stem outer circumference face, the filler
The filler for coordinating bonnet and valve stem seal is filled with chamber.
By using above-mentioned technical proposal, filler coordinates bellows to constitute double-layer sealing structure, from overall reinforcement valve
Sealing property.
The utility model is further described with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model specific embodiment；
Fig. 2 is the enlarged drawing of A in Fig. 1；
Fig. 3 is the enlarged drawing of B in Fig. 1.
Specific embodiment
As shown in Fig. 1-Fig. 3, the utility model discloses a kind of stop valve of sylphon seal, including valve body 1, valve element
2nd, runner 11 and seal spool hole 12 are provided with bonnet 3 and valve rod 4, valve body 1, valve rod 4 and valve element 2 are installed in valve body 1, valve
Bar 4 drives seal spool hole 12 for linear motion along the center line in seal spool hole 12, and valve element 2 is matched somebody with somebody with the sealing of seal spool hole 12
Runner 11 is cut off during conjunction, and bonnet 3 is arranged at the installing port of the top of valve body 1, and valve body 1 is provided with reinforcement chamber 13 around valve rod 4, should
Strengthen being provided with bellows 5 in chamber 13, the bellows 5 is sheathed on the periphery of valve rod 4, valve rod 4 is distinguished positioned at the upper and lower ends of bellows 5
Be provided with bellows fixed bit, set up bellows 5, strengthen the combination property between valve rod 4 and valve body 1, can adapt in it is inflammable,
It is explosive, poisonous, have the special operation conditions such as radiating medium, using bellows fixed bit, by bellows 5, valve rod 4, bonnet 3, valve element 2
A unit is combined as, integral installation increases the convenience of dismounting in valve body 1.
Also include handwheel 6 and valve stem nut 41, bonnet support 31, valve stem nut 41 and the screw thread of valve rod 4 are provided with bonnet 3
Coordinate, valve stem nut 41 is rotatably assorted and is limited in bonnet support 31 with bonnet support 31, handwheel 6 is located at the outside of bonnet 3 simultaneously
Valve stem nut 41 is driven to rotate, the cavity wall for strengthening chamber 13 has gathering sill 131 along valve rod 4 is axially arranged, and the periphery of valve rod 4 is provided with cunning
The keeper with gathering sill 131 is moved, can not be rotated in a circumferential direction because bellows 5 is merely able to axial stretching, handwheel 6 is with ovable valve stem spiral shell
Female 41 rotate, and valve stem nut 41 avoids bellows 5 from being damaged because of distortion with the structure that ovable valve stem 4 is lifted, so as to increase practicality.
Valve rod 4 be located at lower end bellows fixed bit be provided with for fix bellows 5 with cyclization 42, keeper is slotting
Located at this with cyclization 42 alignment pin 421, with the one side of cyclization 42 as bellows 5 fixed bit, on the other hand as positioning
The installation position of part, makes structure further simplify.
The bellows fixed bit that valve rod 4 is located at upper end is provided with inner ring 43 and outer shroud 44, is set between inner ring 43 and outer shroud 44
Be equipped with the holding chamber of the end of sandwiched bellows 5, inner ring 43, outer shroud 44 and bellows 5 are welded in holding chamber end, inner ring 43 with it is outer
The holding chamber that ring 44 is constituted, three parts are firmly welded together, it is to avoid thin-wall corrugated tube 5 is welded with heavy wall parts
The problem for connecing, increases fixing intensity, and 51 is solder joint in Fig. 2.
Outer shroud 44 is located between valve body 1 and bonnet 3, and seal is provided between outer shroud 44 and valve body 1 and bonnet 3,
It is the installation for realizing outer shroud 44 while installation bonnet 3, increases install convenient, and seal then avoids medium from storage dielectric cavity
Outwardly reveal.
It is equipped between valve body 1 and bonnet 3 for both fixing bolts 13 fixed, seal is for respectively positioned at outer shroud 44
And the gasket seal 441 between bonnet 3 and outer shroud 44 and valve body 1, fixing bolt 13 pass through each gasket seal 441, upper and lower both sides
The gasket seal of setting, by valve body 1, the bolt connection of bonnet 3, not only ensures the sealing between valve body 1, bonnet 3, also really
The sealing of outer shroud 44 and the positioning of outer shroud 44 are protected.
Be provided with packing cavity 32 between bonnet 3 and the outer peripheral face of valve rod 4, be filled with the packing cavity 32 by bonnet 3 with
The filler 321 that the sealing of valve rod 4 coordinates, filler coordinates bellows 5 to constitute double-layer sealing structure, from the overall sealing for strengthening valve
Energy.
Claims (7)
1. a kind of stop valve of sylphon seal, including valve body, valve element, bonnet and valve rod, runner is provided with described valve body
And seal spool hole, described valve rod and valve element be installed in valve body, and described valve rod drives seal spool hole along seal spool
The center line in hole is for linear motion, and described valve element seals runner when coordinating with seal spool hole and is cut off, and described bonnet sets
The installing port being placed in above valve body, it is characterised in that：Described valve body is provided with reinforcement chamber around valve rod, is set in the reinforcement chamber
There is bellows, the bellows-sheathed is located at stem outer circumference, described valve rod is respectively arranged with bellows positioned at bellows upper and lower ends
Fixed bit.
2. the stop valve of sylphon seal according to claim 1, it is characterised in that：Also include handwheel and valve stem nut,
Bonnet support is provided with described bonnet, described valve stem nut coordinates with threaded stem, described valve stem nut and bonnet
Holder pivots are limited in bonnet support with merging, and described handwheel is located at bonnet outside and drives valve stem nut to rotate, described
The cavity wall in reinforcement chamber be axially provided with gathering sill along valve rod, described stem outer circumference is provided with the positioning of sliding and gathering sill
Part.
3. the stop valve of sylphon seal according to claim 2, it is characterised in that：Described valve rod is located at the ripple of lower end
Line pipe fixed bit be provided with for fix bellows with cyclization, described keeper is to be inserted in the alignment pin with cyclization.
4. the stop valve of the sylphon seal according to claim 1 or 2 or 3, it is characterised in that：Described valve rod is located at upper
The bellows fixed bit at end is provided with inner ring and outer shroud, and the folder of sandwiched corrugated tube end is provided between described inner ring and outer shroud
Hold chamber, described inner ring, outer shroud and bellows-welding are in holding chamber end.
5. the stop valve of sylphon seal according to claim 4, it is characterised in that：Described outer shroud be located in valve body and
Between bonnet, seal is provided between described outer shroud and valve body and bonnet.
6. the stop valve of sylphon seal according to claim 5, it is characterised in that：Worn between described valve body and bonnet
It is provided with for both fixing bolts fixed, described seal is to be located between outer shroud and bonnet and outer shroud and valve body respectively
Gasket seal, described fixing bolt passes through each gasket seal.
7. the stop valve of the sylphon seal according to claim 1 or 2 or 3, it is characterised in that：Described bonnet and valve rod
Packing cavity is provided between outer peripheral face, the filler for coordinating bonnet and valve stem seal is filled with the packing cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621195190.8U CN206206770U (en) | 2016-10-28 | 2016-10-28 | A kind of stop valve of sylphon seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621195190.8U CN206206770U (en) | 2016-10-28 | 2016-10-28 | A kind of stop valve of sylphon seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206206770U true CN206206770U (en) | 2017-05-31 |
Family
ID=58752405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621195190.8U Active CN206206770U (en) | 2016-10-28 | 2016-10-28 | A kind of stop valve of sylphon seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206206770U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321956A (en) * | 2016-10-28 | 2017-01-11 | 超达阀门集团丽水有限公司 | Stop valve sealed by corrugated pipe |
| CN113551050A (en) * | 2021-08-31 | 2021-10-26 | 南通世发船舶机械有限公司 | Corrugated pipe valve |
-
2016
- 2016-10-28 CN CN201621195190.8U patent/CN206206770U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321956A (en) * | 2016-10-28 | 2017-01-11 | 超达阀门集团丽水有限公司 | Stop valve sealed by corrugated pipe |
| CN113551050A (en) * | 2021-08-31 | 2021-10-26 | 南通世发船舶机械有限公司 | Corrugated pipe valve |
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