CN207569236U - A kind of angled seat formula stop valve for high-temperature, high pressure fluid to be controlled to switch - Google Patents
A kind of angled seat formula stop valve for high-temperature, high pressure fluid to be controlled to switch Download PDFInfo
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- CN207569236U CN207569236U CN201721287990.7U CN201721287990U CN207569236U CN 207569236 U CN207569236 U CN 207569236U CN 201721287990 U CN201721287990 U CN 201721287990U CN 207569236 U CN207569236 U CN 207569236U
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- angled seat
- seat formula
- stop valve
- piston
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Abstract
The utility model discloses a kind of angled seat formula stop valves for high-temperature, high pressure fluid to be controlled to switch, including angled seat formula valve body, the valve rod being inserted into valve body, the lower end of valve rod is equipped with spool, the valve core case coordinated with spool is provided in valve body, spool contacts the closing to form stop valve with valve core case, and spool detaches the unlatching to form stop valve with valve core case；And driving stem drives valve core movement, by changing matching relationship between spool and valve core case to realize drive part that stop valve switches between state is turned on and off, drive part removably connection on angled seat formula valve body.In maintenance process; it only needs to disassemble drive part from valve body; and it does not need to dismantle valve body from vulcanization machine equipment pipeline; replacing valve and detachable maintaining time are reduced, vulcanization machine equipment entirety downtime is short, and thermal energy consumption reduces; improve production efficiency; personnel are simple and efficient to handle, while changing structure design, also reduce the cost of product.
Description
Technical field
The utility model is related to a kind of angled seat formula stop valves for high-temperature, high pressure fluid to be controlled to switch.
Background technology
It is not easy to repair and dismantle, stop valve since stop valve volume used in existing tire forming vulcanizer is larger
Advantage be to be swift in motion, common imported product service life repaired and replaced extremely inconvenient up to 2 years or more, caused big
Personnel's waste of amount, replacing construction is longer, and vulcanizer downtime is longer, and production efficiency is lower.Simultaneously as tyre setting sulphur
The medium that the stop valve of change machine uses is steam and nitrogen, and the pressure of steam is up to 17kg/cm2, temperature up to 200 DEG C of left sides
It is right；And current stop valve is caused in assembling and dissembling process, stop valve carries out primary as an overall structure using monolithic construction
Assembly and disassembly, therefore, when replacing and repairing stop valve, what Field Force should be swift in motion dismantles the valve in pipeline, also
It prevents from being scalded by high temperature；One skilled maintenance personal dismantles a common switching valve and is averaged the used time close to 40 minutes, (stop valve
Both ends be attached by flange and vulcanizer pipeline, since by space and volume is big influences, replacing needs 40 minutes).
Utility model content
For above-mentioned technical problem, the purpose of this utility model be to provide it is a kind of reasonable in design, convenient for the confession of assembly and disassembly
High temperature and high pressure steam by tire forming vulcanizer angled seat formula stop valve.
The technical scheme for implementing the utility model is as follows：
A kind of angled seat formula stop valve for high-temperature, high pressure fluid to be controlled to switch including angled seat formula valve body, is inserted into valve body
Valve rod, the lower end of valve rod is equipped with spool, the valve core case coordinated with spool is provided in valve body, spool contacts shape with valve core case
Into the closing of stop valve, spool detaches the unlatching to form stop valve with valve core case；
And driving stem drives valve core movement, by changing between spool and valve core case matching relationship to realize stop valve
The drive part switched between state is turned on and off, the drive part removably connection with angled seat formula valve body on.
Further, the drive part includes upper end closed, open at its lower end and inside for the housing of cavity and to shell
Body lower end is covered so that enclosure interior cavity forms the cover of enclosure space；
Piston is provided in cavity inside housings, enclosure interior space is separated upper chamber and lower chambers by piston；It is described
Valve rod upper end is fixedly connected with the piston across cover；
The entrance entered for external fluid in lower chambers piston to be pushed to be moved to upper chamber direction is offered in cover
Mouthful；
It is disposed in upper chamber during the upward chamber movement of piston and carries out energy storage, and after piston loses thrust, driven
Make the elastic component of the downward resetting movement of piston；
The outlet connected with upper chamber is offered in the upper end of housing.
Further, the upper end of the housing forms the chamber resettling that size is less than enclosure interior space；
The upper surface middle part of piston is formed down recessed portion；
The elastic component is spring, and the upper end of the elastic component is in chamber resettling and withstands on the indoor top surface of accommodating cavity,
Lower end is in recessed portion and is contacted with recessed portion bottom surface.
Further, the piston outer periphery face forms the annular chamber being recessed inwardly, and piston packing ring is equipped in annular chamber,
It is formed between the peripheral surface of piston packing ring and inner walls and contacts sealing.
Further, the bearing guide pipe of upper and lower ends perforation is provided with below the cover, the bearing guide pipe
Upper end is fixedly connected with cover, and lower end is connect with angled seat formula valve body screw thread, and the lower end of above-mentioned valve rod passes through bearing guide pipe to stretch into
In angled seat formula valve body.
Further, it is provided in the bearing guide pipe and the guide frame being oriented to, the guiding knot is formed to stem movement
Structure includes the upper guide sleeve, the middle guide sleeve being sleeved in the middle part of valve rod, the lower guide sleeve for being sleeved on stem lower portion that are sleeved on valve rod top, with
And between upper guide sleeve, middle guide sleeve and the filler between middle guide sleeve, lower guide sleeve.
Further, the filler includes four packing rings being layering up and down, and periphery wall and the bearing of packing ring are led
It is contacted to inside pipe wall, internal perisporium is formed with the outer surface of valve rod and contacted；
The upper table of packing ring, which is swelled upwardly, forms lug boss, and lower surface forms the notch portion being adapted with lug boss.
Further, the upper packing spring being set on valve rod, lower packing spring are disposed in the bearing guide pipe, on
The lower end of packing spring is withstood on guide sleeve, and upper end is withstood in cover, and the upper end of lower packing spring is withstood on filler, lower end top
On lower guide sleeve.
Further, the lower end of the bearing guide pipe is provided with seal cover board, and the lower surface of the seal cover board is being propped up
It holds after guide pipe connect in place with angled seat formula valve body, is formed and sealed with angled seat formula valve body contact.
Further, it is fixedly installed nut on the bearing guide pipe.
Above-mentioned technical proposal is employed, stop valve is divided into two parts, one is body portion, and one is to drive valve body
The drive part being turned on and off is formed, body portion is directly assemblied in vulcanizer pipe-line system, and drive part is then in valve
Body portion is assembled using removably, in maintenance process, it is only necessary to disassemble drive part i.e. from valve body
Can, and do not need to dismantle valve body from vulcanization machine equipment pipeline, so as to reduce replacing valve and detachable maintaining time, make
Site operation personnel can rapidly disassemble failure valve, and rapidly give and replace from vulcanizer pipeline, vulcanization
Machine equipment entirety downtime is short, and thermal energy consumption reduces, and improves production efficiency, and personnel are simple and efficient to handle, changes structure design
While, also reduce product cost.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the utility model stop valve；
In figure：1 is angled seat formula valve body, and 2 be valve rod, and 3 be spool, and 4 be valve core case, and 5 be drive part, and 6 circulate for steam
Channel, 7 be seal support part, and 8 be sealed circular ring, and 9 be guiding pad, and 10 be step surface, and 11 be guide channel, and 12 be housing, 13
It is piston for cover, 14,15 be upper chamber, and 16 be lower chambers, and 17 be inlet port, and 18 be annular notches, and 19 be elastic component, and 20 are
Outlet, 21 be chamber resettling, and 22 be recessed portion, and 23 be piston packing ring, and 24 be bearing guide pipe, and 25 be upper guide sleeve, 26
It is lower guide sleeve for middle guide sleeve, 27,28 be filler, and 29 be packing ring, and 30 be lug boss, and 31 be notch portion, and 32 be upper filler
Spring, 33 be lower packing spring, and 34 be bearing step, and 35 be seal cover board, and 36 be nut, and 37 be connection nozzle.
Specific embodiment
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, it is described
Embodiment is the part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained under the premise of without creative work, all belongs to
In the range of the utility model protection.
As shown in Figure 1, it is a kind of for control high-temperature, high pressure fluid switch angled seat formula stop valve, including angled seat formula valve body 1,
The valve rod 2 being inserted into valve body, the lower end of valve rod is equipped with spool 3, the valve core case 4 coordinated with spool, spool is provided in valve body
The closing to form stop valve is contacted with valve core case, spool detaches the unlatching to form stop valve with valve core case；And driving stem band
Movable valve plug moves, by changing between spool and valve core case matching relationship to realize that stop valve is cut between state is turned on and off
The drive part 5 changed, the drive part removably connection with angled seat formula valve body on.Angled seat formula valve body is 45° angle sitting posture valve
Body, with steam flow channel 6, middle part is the connection nozzle 37 installed for drive part；Spool includes being securely fitted in valve
Seal support part 7 on bar and the sealed circular ring 8 being fixedly connected below seal support part, set below sealed circular ring
Guiding pad 9 is equipped with, guiding pad is connected on valve rod；The annular chamber being put into for sealed circular ring is formed in the lower surface of seal support part
Room, after sealed circular ring is put into annular compartment, the end portion of sealed circular ring is in outside seal support part, sealing support here
Part, guiding pad may be used the common mode that is fixedly connected in current valve and assembled, and as shown in FIG., valve rod lower end is formed
The conical surface is used for position limiting sealed support element, on the valve rod below guiding pad in a manner that locking nut is locked；Valve core case
With the step surface 10 coordinated with sealed circular ring lower surface, when sealed circular ring lower surface is bonded to form sealing with step surface
When, stop valve then forms closed state.It is formed in the lower section of step surface and moves up and down to form the guide channel of guiding with guiding pad
11, to ensure the accurate dropping place during spool decline.
Wherein, drive part includes upper end closed, open at its lower end and inside for the housing 12 of cavity and to housing lower end
It is covered so that enclosure interior cavity forms the cover 13 of enclosure space；Cover and housing may be used welding manner formed it is whole
Body.
Piston 14 is provided in cavity inside housings, enclosure interior space is separated upper chamber 15 and lower chambers by piston
16；Valve rod upper end is fixedly connected with the piston across cover, i.e., valve rod upper end is locked after passing through cover by locking nut；Valve
Bar top may be used contact of incline plane with Piston connecting portion point and be coordinated, to increase the contact surface of valve rod and piston product；
The inlet port 17 entered for external fluid in lower chambers piston to be pushed to be moved to upper chamber direction is offered in cover；Specifically
In implementation, cover upper surface periphery formed recess annular notches 18, inlet port is connected with annular notches, such inlet port into
The gas entered can be in advance evenly distributed in around piston lower surface, after the entrance of subsequent gases, be capable of fast and stable
Push piston motion.
It is disposed in upper chamber during the upward chamber movement of piston and carries out energy storage, and after piston loses thrust, driven
Make the elastic component 19 of the downward resetting movement of piston；The outlet 20 connected with upper chamber is offered in the upper end of housing, in order to
Circulation will be formed in upper chamber between extraneous gas.
After external driving gas enters lower chambers by inlet port, piston is under the promotion of driving gas, along shell
The inner wall of body moves upwards and elasticity of extension part, makes elastic component energy storage；Moving upwards for piston can be with ovable valve stem and spool one
And move upwards, spool moves upwards, and is detached with valve seat formation, stop valve is made to realize opening；When cut-out drives gas
Be passed through, piston elastic component elastic force effect under move downward, while valve rod and spool move downward, spool is formed with valve seat
Cooperation then makes stop valve realize closed state.
The upper end of housing forms the chamber resettling 21 that size is less than enclosure interior space；The upper surface middle part of piston is downward
Form recessed portion 22；The upper end of elastic component is in chamber resettling and withstands on the indoor top surface of accommodating cavity, and lower end is in recessed portion simultaneously
It is contacted with recessed portion bottom surface.In specific implementation, elastic component is spring, spring selects two, and a size is big, and a size is small
, the small spring of size is in the big spring of size, and the hand of spiral of two springs is different, to ensure to push away with sufficient
Kinetic force drives the downward resetting movement of piston；Meanwhile by arranging two springs, it can ensure that spring is still located when compressed
In horizontality, the phenomenon that swinging will not be generated.
The annular chamber being recessed inwardly is formed in piston outer periphery face, piston packing ring 23, piston seal are equipped in annular chamber
It is formed between the peripheral surface of ring and inner walls and contacts sealing.Piston packing ring is made of perfluoroelastomer.
Fixed (welding) is provided with the bearing guide pipe 24 of upper and lower ends perforation below cover, support guide pipe upper end and
Cover is fixedly connected, and lower end is connect with angled seat formula valve body screw thread, that is, the outer wall for supporting guide pipe lower end opens up screw thread, the company of valve body
Pipe nozzle inner wall opens up screw thread, and both ends screw thread forms cooperation, is threadedly coupled with being formed；The lower end of above-mentioned valve rod passes through bearing to be oriented to
Pipe is stretched into angled seat formula valve body.
It is provided in bearing guide pipe and the guide frame being oriented to is formed to stem movement, which includes being sleeved on valve rod
The upper guide sleeve 25 on top, the middle guide sleeve 26 being sleeved in the middle part of valve rod, the lower guide sleeve 27 for being sleeved on stem lower portion and in upper
Between guide sleeve, middle guide sleeve and the filler between middle guide sleeve, lower guide sleeve 28.Filler is made of PTFE material,
- 20 DEG C -230 DEG C of temperature can be born, pressure is no more than 30kg/cm2.When three guide sleeves are for ensureing that valve rod moves up and down
Concentricity.
Filler includes four packing rings 29 being layering up and down, and periphery wall and the bearing of packing ring are oriented to inside pipe wall and connect
It touches, internal perisporium is formed with the outer surface of valve rod and contacted；The upper table of packing ring, which is swelled upwardly, forms lug boss 30, and lower surface is formed
The notch portion 31 being adapted with lug boss.
The upper packing spring 32 being set on valve rod, lower packing spring 33, upper packing spring are disposed in bearing guide pipe
Lower end withstand on guide sleeve, upper end is withstood in cover, and the upper end of lower packing spring is withstood on filler, and lower end withstands on lower guiding
It puts on.It can be to upper guide sleeve, middle guide sleeve and filler in above-below direction by the setting of upper packing spring, lower packing spring
Movement forms limiting.And bearing guide pipe lower end inner wall formed bearing step 34, lower guide sleeve by bearing step into
Gear.By the arrangement of guide sleeve, filler, it can ensure that stretching motion will not generate the offset of left and right to valve rod in the process up and down,
Closing accuracy and stability during so as to ensure that stop valve is closed.
In order to increase the leakproofness between bearing guide pipe and valve body, the lower end for supporting guide pipe is provided with seal cover board
35, the lower surface of the seal cover board is formed after bearing guide pipe is connect in place with angled seat formula valve body with angled seat formula valve body contact
Sealing；For the ease of assembly and disassembly, on bearing guide pipe fixed (welding) be provided with nut 36, after turn nut, branch can be driven
Guide pipe and housing into rotation are held, realizes quick assembly or disassembly.Supporting the setting of guide pipe can also stop in steam simultaneously
Certain heat transfer is avoided at housing in disassembly process, since case temperature is higher, and scalds operating personnel.Specifically make
With in the process, being arranged 0.4mm red copper gaskets below seal cover board, upper surface and the seal cover board lower surface of red copper gasket
Contact sealing, lower surface contact sealing with the formation of angled seat formula valve body.
The application installation in occupation mode as conventional valves, to reduce pipeline and equipment excessive change and change
More, the versatility and popularization of valve are improved, side is easy to use to be interchangeable in time with traditional product, reduces visitor to the full extent
The input of fund and manpower of the family on this product is replaced.The application is in repair demolition, first by the high-temperature medium in pipeline
Cut-out, then splits valve body and drive part, i.e., is connect due to supporting guide pipe with valve body screw thread, during turn nut just
Bearing guide pipe and valve body can be detached from, can removed, and body portion still keeps connection status with the pipeline of equipment；This
Drive part in product includes all sealing and accessory, therefore, removes drive part and needs replacing outer, body portion
It need not be replaced, reduce maintenance cost.
Guide sleeve uses copper material in this product, and filler uses PTFE material, and housing and bearing guide pipe use stainless steel
It casts, thus is used suitable for the annular such as high temperature, high pressure, corrosion-resistant is lower.
Claims (10)
1. a kind of angled seat formula stop valve for high-temperature, high pressure fluid to be controlled to switch, which is characterized in that including angled seat formula valve body, insert
Enter the valve rod in valve body, the lower end of valve rod is equipped with spool, the valve core case coordinated with spool, spool and spool are provided in valve body
Seated connection touches the closing to form stop valve, and spool detaches the unlatching to form stop valve with valve core case；
And driving stem drives valve core movement, by changing between spool and valve core case matching relationship to realize that stop valve is being opened
Open or closed state between the drive part that switches, which is detachably coupled on angled seat formula valve body.
2. a kind of angled seat formula stop valve for high-temperature, high pressure fluid to be controlled to switch as described in claim 1, which is characterized in that
The drive part include upper end closed, open at its lower end and internal housing for cavity and housing lower end is covered with
Enclosure interior cavity is made to form the cover of enclosure space；
Piston is provided in cavity inside housings, enclosure interior space is separated upper chamber and lower chambers by piston；The valve rod
Upper end is fixedly connected with the piston across cover；
The inlet port entered for external fluid in lower chambers piston to be pushed to be moved to upper chamber direction is offered in cover；
It is disposed in upper chamber during the upward chamber movement of piston and carries out energy storage, and after piston loses thrust, drive work
Fill in the elastic component of downward resetting movement；
The outlet connected with upper chamber is offered in the upper end of housing.
3. a kind of angled seat formula stop valve for high-temperature, high pressure fluid to be controlled to switch as claimed in claim 2, which is characterized in that
The upper end of the housing forms the chamber resettling that size is less than enclosure interior space；
The upper surface middle part of piston is formed down recessed portion；
The elastic component is spring, and the upper end of the elastic component is in chamber resettling and withstands on the indoor top surface of accommodating cavity, lower end
It is contacted in recessed portion and with recessed portion bottom surface.
4. a kind of angled seat formula stop valve for high-temperature, high pressure fluid to be controlled to switch, feature exist as claimed in claim 2 or claim 3
In, the piston outer periphery face forms the annular chamber being recessed inwardly, and is equipped with piston packing ring in annular chamber, piston packing ring it is outer
It is formed between circumferential surface and inner walls and contacts sealing.
5. a kind of angled seat formula stop valve for high-temperature, high pressure fluid to be controlled to switch, feature exist as claimed in claim 2 or claim 3
In the cover lower section is provided with the bearing guide pipe of upper and lower ends perforation, and the upper end of the bearing guide pipe is fixed with cover
Connection, lower end are connect with angled seat formula valve body screw thread, and the lower end of above-mentioned valve rod passes through bearing guide pipe to stretch into angled seat formula valve body.
6. a kind of angled seat formula stop valve for high-temperature, high pressure fluid to be controlled to switch as claimed in claim 5, which is characterized in that
It is provided in the bearing guide pipe and the guide frame being oriented to is formed to stem movement, which includes being sleeved on valve rod top
Upper guide sleeve, be sleeved in the middle part of valve rod middle guide sleeve, be sleeved on stem lower portion lower guide sleeve and in upper guide sleeve, in
Between guide sleeve and the filler between middle guide sleeve, lower guide sleeve.
7. a kind of angled seat formula stop valve for high-temperature, high pressure fluid to be controlled to switch as claimed in claim 6, which is characterized in that
The filler includes four packing rings being layering up and down, and periphery wall and the bearing of packing ring are oriented to inside pipe wall and contact, inner circumferential
Wall is formed with the outer surface of valve rod and is contacted；
The upper table of packing ring, which is swelled upwardly, forms lug boss, and lower surface forms the notch portion being adapted with lug boss.
8. a kind of angled seat formula stop valve for high-temperature, high pressure fluid to be controlled to switch as claimed in claim 7, which is characterized in that
The upper packing spring being set on valve rod, lower packing spring, the lower end top of upper packing spring are disposed in the bearing guide pipe
On upper guide sleeve, upper end is withstood in cover, and the upper end of lower packing spring is withstood on filler, and lower end is withstood on lower guide sleeve.
9. a kind of angled seat formula stop valve for high-temperature, high pressure fluid to be controlled to switch as claimed in claim 5, which is characterized in that
The lower end of the bearing guide pipe is provided with seal cover board, and the lower surface of the seal cover board is in bearing guide pipe and angle seat valve
After body connection in place, formed and sealed with angled seat formula valve body contact.
10. a kind of angled seat formula stop valve for high-temperature, high pressure fluid to be controlled to switch as claimed in claim 5, feature exist
In described support is fixedly installed nut on guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721287990.7U CN207569236U (en) | 2017-09-30 | 2017-09-30 | A kind of angled seat formula stop valve for high-temperature, high pressure fluid to be controlled to switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721287990.7U CN207569236U (en) | 2017-09-30 | 2017-09-30 | A kind of angled seat formula stop valve for high-temperature, high pressure fluid to be controlled to switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207569236U true CN207569236U (en) | 2018-07-03 |
Family
ID=62694908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721287990.7U Active CN207569236U (en) | 2017-09-30 | 2017-09-30 | A kind of angled seat formula stop valve for high-temperature, high pressure fluid to be controlled to switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207569236U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631043A (en) * | 2017-09-30 | 2018-01-26 | 江苏沃尔坎技研科技有限公司 | A kind of angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch |
| CN112303245A (en) * | 2019-07-29 | 2021-02-02 | 浙江三花制冷集团有限公司 | Flow control valve |
-
2017
- 2017-09-30 CN CN201721287990.7U patent/CN207569236U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631043A (en) * | 2017-09-30 | 2018-01-26 | 江苏沃尔坎技研科技有限公司 | A kind of angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch |
| CN112303245A (en) * | 2019-07-29 | 2021-02-02 | 浙江三花制冷集团有限公司 | Flow control valve |
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