CN208010937U - A kind of sylphon seal shut-off valve - Google Patents
A kind of sylphon seal shut-off valve Download PDFInfo
- Publication number
- CN208010937U CN208010937U CN201820066800.7U CN201820066800U CN208010937U CN 208010937 U CN208010937 U CN 208010937U CN 201820066800 U CN201820066800 U CN 201820066800U CN 208010937 U CN208010937 U CN 208010937U
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- valve
- bellows
- flap
- connecting plate
- deck
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Abstract
The utility model is related to valve technology field more particularly to a kind of sylphon seal shut-off valves, including：Valve body, flap, bellows component, valve rod, valve deck, stuffing-box, valve stem nut, handwheel, every cover, bellows, connecting plate；It is characterized in that：It is provided with valve deck above the valve body, and valve body is connected with valve deck by bolt；The valve inner is provided with flap, and flap is connected with valve seal；It is provided with valve rod above the flap, and flap is connected with valve rod by positioning pin；It is provided with connecting plate above the flap；It is provided with bellows above the connecting plate, and connecting plate is connected with bellows by welding manner；Bellows component is the monolithic construction by being welded every cover, bellows, connecting plate；There is good seal performance, simple in structure, low manufacture cost to safeguard and replace convenient advantage for improvement on through the above structure, to the problem of effective solution existing apparatus and deficiency.
Description
Technical field
The utility model is related to valve technology field more particularly to a kind of sylphon seal shut-off valves.
Background technology
Shut-off valve is the usual means that flow of media is controlled on industrial pipeline, in the neck that some strictly control medium leakage
Domain generally use bellows stop valve, bellows stop valve use sylphon seal, can effectively prevent outer caused by filler loss
Leakage.
Bellows stop valve in the prior art, bellows one end is welded on valve rod, complicated, wastes raw material,
It is of high cost, and when bellows damage, repair and replacement are inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of sylphon seal shut-off valves, to solve to propose in above-mentioned background technology
It is complicated, waste raw material, it is of high cost, and bellows damage when, the problem and deficiency of repair and replacement inconvenience.
The purpose of this utility model and effect are reached by technical solution in detail below：
A kind of sylphon seal shut-off valve, including：Valve body, flap, bellows component, valve rod, valve deck, stuffing-box, filler
Gland, valve stem nut, handwheel, every cover, bellows, connecting plate；It is characterized in that：It is provided with valve deck, and valve above the valve body
Body is connected with valve deck by bolt；The valve inner is provided with flap, and flap is connected with valve seal；The valve
It is provided with valve rod above valve, and flap is connected with valve rod by positioning pin；It is provided with connecting plate above the flap；The company
It is provided with bellows above fishplate bar, and connecting plate is connected with bellows by welding manner；It is provided with above the bellows
Every cover, and bellows is connected with every cover by welding manner；It is provided with stuffing-box in the valve deck；It is set above the stuffing-box
It is equipped with gland, and stuffing-box is connected with gland by bolt；Valve stem nut, and valve rod are provided in the valve deck
Nut is connected with valve rod by screw thread；It is provided with handwheel above valve rod, and valve rod is connected with handwheel by screw thread.
As advanced optimizing for the technical program, bellows group described in a kind of sylphon seal shut-off valve of the utility model
Part is the monolithic construction by being welded every cover, bellows, connecting plate.
As advanced optimizing for the technical program, pass through every cover described in a kind of sylphon seal shut-off valve of the utility model
Bolt seal is fixed between valve body and valve deck.
As advanced optimizing for the technical program, under valve rod described in a kind of sylphon seal shut-off valve of the utility model
Portion's shape feature is ladder-like.
As advanced optimizing for the technical program, valve body and valve described in a kind of sylphon seal shut-off valve of the utility model
It is connected using by bolt seal between lid.
Due to the application of the above technical scheme, the utility model has following advantages compared with prior art：
1, the utility model is monolithic construction by being welded every cover, bellows, connecting plate by bellows component
Setting, when bellows breaks down, as long as stop conduit running, open valve deck can easily replace bellows, very
It is convenient.
2, the utility model is fixed on the setting between valve body and valve deck every cover by bolt seal, prevents erosion medium resistance from filling out
Material, and cause outward leakage.
3, the lower shape of the utility model valve rod is characterized as stair-stepping setting, effectively secures bellows component,
Technical solution is simple and practical.
4, the utility model through the above structure on improvement, have good seal performance, simple in structure, low manufacture cost,
It safeguards and replaces convenient advantage, to the problem of effective solution existing apparatus and deficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the bellows component of the utility model；
Fig. 3 is the structural schematic diagram of the valve rod of the utility model.
In figure：1, valve body；2, flap；3, bellows component；4, valve rod；5, valve deck；6, stuffing-box；7, gland；8,
Valve stem nut；9, handwheel；301, every cover；302, bellows；303, connecting plate.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1 to Fig.3, the utility model provides a kind of sylphon seal shut-off valve technical solution：
A kind of sylphon seal shut-off valve, including：Valve body 1, flap 2, bellows component 3, valve rod 4, valve deck 5, stuffing-box
6, gland 7, valve stem nut 8, handwheel 9, every cover 301, bellows 302, connecting plate 303；：1 top of valve body is provided with valve deck
5, and valve body 1 is connected with valve deck 5 by bolt；Valve body 1 is internally provided with flap 2, and flap 2 and 1 company in sealing contact of valve body
It connects；2 top of flap is provided with valve rod 4, and flap 2 is connected with valve rod 4 by positioning pin；2 top of flap is provided with connecting plate
303；303 top of connecting plate is provided with bellows 302, and connecting plate 303 is connected with bellows 302 by welding manner；Wave
302 top of line pipe is provided with every cover 301, and bellows 302 is connected with every cover 301 by welding manner；It is provided in valve deck 5
Stuffing-box 6；6 top of stuffing-box is provided with gland 7, and stuffing-box 6 is connected with gland 7 by bolt；In valve deck 5
It is provided with valve stem nut 8, and valve stem nut 8 is connected with valve rod 4 by screw thread；4 top of valve rod is provided with handwheel 9, and valve rod 4
It is connected by screw thread with handwheel 9.
Specifically, bellows component 3 is the monoblock type knot by being welded every cover 301, bellows 302, connecting plate 303
Structure, when bellows component 3 breaks down, as long as stopping conduit running, bellows component can easily be replaced by opening valve deck 5
3, it is very convenient to repair.
Specifically, being fixed between valve body 1 and valve deck 5 by bolt seal every cover 301, erosion medium resistance is prevented every cover 301
Filler causes outward leakage.
Specifically, the lower shape of valve rod 4 is characterized as ladder-like, bellows component 3 is effectively secured, technical solution letter
It is single practical.
Specifically, being connected using by bolt seal between valve body 1 and valve deck 5, medium is made to be flowed in the intracavitary of valve body 1,
Without revealing.
Specifically used method and effect：
When using the device, when Open valve, handwheel 9 makes valve rod 4 move upwards, and bellows component 3 shortens, flap 2 with
Rising, flow of media；When closing valve, reversely rotating handwheel 9 makes valve rod 4 move downward, and bellows component 3 extends, flap 2
Decline therewith until contacting sealing with 1 sealing surface of valve body, flow of media is ended.Valve body 1 is fixed on by bolt seal every cover 301
Between valve deck 5, prevent erosion medium resistance filler from causing outward leakage every cover 301, when bellows component 3 breaks down, as long as stopping
Only conduit running, bellows component 3 can easily be replaced by opening valve deck 5, very convenient.
In summary：A kind of sylphon seal shut-off valve, is by every cover, bellows, connecting plate by bellows component
The setting for the monolithic construction being welded, when bellows breaks down, as long as stopping conduit running, opening valve deck can be square
Just replacement bellows, it is very convenient；It is fixed on the setting between valve body and valve deck by bolt seal, prevents erosion medium resistance from filling out
Material, and cause outward leakage；It is characterized as stair-stepping setting by the lower shape of valve rod, effectively secures bellows component,
Technical solution is simple and practical；There is good seal performance, simple in structure, low manufacture cost to safeguard for improvement on through the above structure
Convenient advantage is replaced, to the problem of effective solution existing apparatus and deficiency.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of sylphon seal shut-off valve, including：Valve body（1）, flap（2）, bellows component（3）, valve rod（4）, valve deck
（5）, stuffing-box（6）, gland（7）, valve stem nut（8）, handwheel（9）, every cover（301）, bellows（302）, connecting plate
（303）；It is characterized in that：The valve body（1）Top is provided with valve deck（5）, and valve body（1）With valve deck（5）It is connected by bolt
It connects；The valve body（1）It is internally provided with flap（2）, and flap（2）With valve body（1）Connection in sealing contact；The flap（2）On
Side is provided with valve rod（4）, and flap（2）With valve rod（4）It is connected by positioning pin；The flap（2）Top is provided with connection
Plate（303）；The connecting plate（303）Top is provided with bellows（302）, and connecting plate（303）With bellows（302）Pass through weldering
The mode of connecing is connected；The bellows（302）Top is provided with every cover（301）, and bellows（302）With every cover（301）Pass through
Welding manner is connected；The valve deck（5）Inside it is provided with stuffing-box（6）；The stuffing-box（6）Top is provided with gland
（7）, and stuffing-box（6）With gland（7）It is connected by bolt；The valve deck（5）Inside it is provided with valve stem nut（8）, and
Valve stem nut（8）With valve rod（4）It is connected by screw thread；Valve rod（4）Top is provided with handwheel（9）, and valve rod（4）With handwheel
（9）It is connected by screw thread.
2. a kind of sylphon seal shut-off valve according to claim 1, it is characterised in that：The bellows component（3）It is
By every cover（301）, bellows（302）, connecting plate（303）The monolithic construction being welded.
3. a kind of sylphon seal shut-off valve according to claim 1, it is characterised in that：It is described every cover（301）Pass through spiral shell
Bolt sealing is fixed on valve body（1）With valve deck（5）Between.
4. a kind of sylphon seal shut-off valve according to claim 1, it is characterised in that：The valve rod（4）Lower part shape
Shape is characterized as ladder-like.
5. a kind of sylphon seal shut-off valve according to claim 1, it is characterised in that：The valve body（1）With valve deck（5）
Between using by bolt seal connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820066800.7U CN208010937U (en) | 2018-01-16 | 2018-01-16 | A kind of sylphon seal shut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820066800.7U CN208010937U (en) | 2018-01-16 | 2018-01-16 | A kind of sylphon seal shut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208010937U true CN208010937U (en) | 2018-10-26 |
Family
ID=63882885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820066800.7U Expired - Fee Related CN208010937U (en) | 2018-01-16 | 2018-01-16 | A kind of sylphon seal shut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208010937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932061A (en) * | 2021-11-26 | 2022-01-14 | 江苏润鹏机械科技有限公司 | Conical valve clack stop valve |
-
2018
- 2018-01-16 CN CN201820066800.7U patent/CN208010937U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932061A (en) * | 2021-11-26 | 2022-01-14 | 江苏润鹏机械科技有限公司 | Conical valve clack stop valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181026 Termination date: 20200116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |