CN204477426U - A kind of safety valve - Google Patents
A kind of safety valve Download PDFInfo
- Publication number
- CN204477426U CN204477426U CN201520064416.XU CN201520064416U CN204477426U CN 204477426 U CN204477426 U CN 204477426U CN 201520064416 U CN201520064416 U CN 201520064416U CN 204477426 U CN204477426 U CN 204477426U
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- Prior art keywords
- valve
- flap
- gap
- guide sleeve
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Abstract
The utility model relates to a kind of safety valve, include valve body, valve gap, flap, valve rod, described valve body is fixedly connected with valve gap, valve pocket and the flow channel with valve pocket conducting is provided with in described valve body, flow pass, flap is positioned at valve pocket, the sealing seat matched with flap is provided with in valve pocket, guide sleeve is provided with between valve body and valve gap, flap upper end extends in guide sleeve, described valve rod one end is positioned at valve gap, the other end and flap are linked, the Returnning spring for the valve rod that resets also is provided with in valve gap, it is characterized in that: described valve pocket, flow channel, flow pass inwall is equipped with the liner that corrosion resistant material is made.Adopt technique scheme, the utility model provides a kind of safety valve, and it can prevent strong corrosive media to valve pocket, flow channel, flow pass inner wall corrosion, thus makes the long service life of valve.
Description
Technical field
The utility model relates to valve field, particularly a kind of safety valve.
Background technique
Safety valve is in normally off under open-shut device is subject to External Force Acting, when the pressure medium in equipment or pipeline increases to over specified value, exceedes the Special valve of specified value by preventing pressure medium in pipeline or equipment to discharge medium outside system.
Existing safety valve, generally comprise valve body, valve gap, flap, valve rod, described valve body is fixedly connected with valve gap, valve pocket and the flow channel with valve pocket conducting is provided with in described valve body, flow pass, flap is positioned at valve pocket, the sealing seat matched with flap is provided with in valve pocket, guide sleeve is provided with between valve body and valve gap, flap upper end extends in guide sleeve, described valve rod one end is positioned at valve gap, the other end and flap are linked, the Returnning spring for the valve rod that resets also is provided with in valve gap, but, the safety valve of this structure, when for some strong corrosive medias, strong corrosive media can to valve pocket, flow channel, flow pass inner wall corrosion, thus make the working life of valve short.
Summary of the invention
The purpose of this utility model: in order to overcome the defect of prior art, the utility model provides a kind of safety valve, it can prevent strong corrosive media to valve pocket, flow channel, flow pass inner wall corrosion, thus makes the long service life of valve.
The technical solution of the utility model: a kind of safety valve, include valve body, valve gap, flap, valve rod, described valve body is fixedly connected with valve gap, valve pocket and the flow channel with valve pocket conducting is provided with in described valve body, flow pass, flap is positioned at valve pocket, the sealing seat matched with flap is provided with in valve pocket, guide sleeve is provided with between valve body and valve gap, flap upper end extends in guide sleeve, described valve rod one end is positioned at valve gap, the other end and flap are linked, the Returnning spring for the valve rod that resets also is provided with in valve gap, it is characterized in that: described valve pocket, flow channel, flow pass inwall is equipped with the liner that corrosion resistant material is made.
Adopt technique scheme, by the liner that the corrosion resistant material arranged on valve pocket, flow channel, flow pass inwall is made, strong corrosive media can be prevented well to valve pocket, flow channel, flow pass inner wall corrosion, thus make the long service life of valve.
Further setting of the present utility model: the end face that described guide sleeve is relative with valve pocket is equipped with the outer lining that corrosion resistant material is made.
Adopt above-mentioned further setting, the outer lining that corrosion resistant material is made is set, can prevent strong corrosive media from corroding guide sleeve, extend the working life of valve further.
Setting further more of the present utility model: be provided with viton seal ring between described flap and guide sleeve.
Adopt and above-mentionedly to arrange further again, the viton seal ring of setting, can ensure the sealing between flap and guide sleeve, does not hinder again relative movement between the two, can also prevent the corrosion of strong corrosive media.
Further setting more of the present utility model: be arranged with Adjusting ring outside described sealing seat, described Adjusting ring and sealing seat screw-thread fit, described valve body is provided with holding down bolt, and described holding down bolt and Adjusting ring are conflicted, and described Adjusting ring is that corrosion resistant material is made.
Adopt and above-mentionedly further to arrange again, the Adjusting ring of setting, can regulate the spacing between flap and Adjusting ring upper-end surface, thus the height that regulating valve is opened; Adjusting ring is that corrosion resistant material is made, and can prevent strong corrosive media from corroding Adjusting ring, extend its working life.
Further setting more of the present utility model: described holding down bolt is that corrosion resistant material is made.
Adopt and above-mentionedly further to arrange again, can prevent strong corrosive media from corroding holding down bolt, long service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model specific embodiment;
Fig. 2 is the structural representation of valve body in the utility model specific embodiment.
Embodiment
As Fig. 1, shown in 2, a kind of safety valve, includes valve body 1, valve gap 2, flap 3, valve rod 4, described valve body 1 is fixedly connected with valve gap 2, is provided with valve pocket 11 and the flow channel 12 with valve pocket 11 conducting in described valve body 1, flow pass 13, flap 3 is positioned at valve pocket 11, the sealing seat 14 matched with flap 3 is provided with in valve pocket 11, guide sleeve 5 is provided with between valve body 1 and valve gap 2, flap 3 upper end extends in guide sleeve 5, and described valve rod 4 one end is positioned at valve gap 2, and the other end and flap 3 are conflicted, the Returnning spring 6 for the valve rod 4 that resets also is provided with, described valve pocket 11 in valve gap 2, flow channel 12, flow pass 13 inwall is equipped with the liner 7 that corrosion resistant material is made, this corrosion resistant material adopts PFA, F46 makes, and PFA is perfluoroalkoxy resin, and F46 is the copolymer of tetrafluoroethylene and hexafluoropropene, by valve pocket 11, flow channel 12, the liner 7 that the corrosion resistant material that flow pass 13 inwall is arranged is made, can prevent strong corrosive media to valve pocket 11 well, flow channel 12, flow pass 13 inner wall corrosion, thus make the long service life of valve.In the utility model specific embodiment, described flap 3 is made for corrosion resistant material, the end face that described guide sleeve 5 is relative with valve pocket 11 is equipped with the outer lining 8 that corrosion resistant material is made, this corrosion resistant material also adopts PFA, F46 to make, PFA is perfluoroalkoxy resin, and F46 is the copolymer of tetrafluoroethylene and hexafluoropropene, arranges the outer lining 8 that corrosion resistant material is made, can prevent strong corrosive media from corroding flap 3, guide sleeve 5, extend the working life of valve further.In the utility model specific embodiment, be provided with viton seal ring between described flap 3 and guide sleeve 5, the viton seal ring 9 of setting, can ensure the sealing between flap 3 and guide sleeve 5, do not hinder again relative movement between the two, the corrosion of strong corrosive media can also be prevented.
In the utility model specific embodiment, Adjusting ring 10 is arranged with outside described sealing seat 14, described Adjusting ring 10 and sealing seat 14 screw-thread fit, described valve body 1 is provided with holding down bolt 20, described holding down bolt 20 and Adjusting ring 10 are conflicted, and described Adjusting ring 10 is made for teflon, the Adjusting ring 10 of setting, the spacing between flap 3 and Adjusting ring 10 upper-end surface can be regulated, change uninterrupted; Adjusting ring 10 is made for teflon, can prevent strong corrosive media from corroding Adjusting ring 10, extend its working life.Wherein, described holding down bolt 20, also for teflon is made, can prevent strong corrosive media from corroding holding down bolt 20, long service life like this.
Claims (4)
1. a safety valve, include valve body, valve gap, flap, valve rod, described valve body is fixedly connected with valve gap, valve pocket and the flow channel with valve pocket conducting is provided with in described valve body, flow pass, flap is positioned at valve pocket, the sealing seat matched with flap is provided with in valve pocket, guide sleeve is provided with between valve body and valve gap, flap upper end extends in guide sleeve, described valve rod one end is positioned at valve gap, the other end and flap are linked, the Returnning spring for the valve rod that resets also is provided with in valve gap, described valve pocket, flow channel, flow pass inwall is equipped with the liner that corrosion resistant material is made, it is characterized in that: the end face that described guide sleeve is relative with valve pocket is equipped with the outer lining that corrosion resistant material is made.
2. safety valve according to claim 1, is characterized in that: be provided with viton seal ring between described flap and guide sleeve.
3. safety valve according to claim 1, it is characterized in that: outside described sealing seat, be arranged with Adjusting ring, described Adjusting ring and sealing seat screw-thread fit, described valve body is provided with holding down bolt, described holding down bolt and Adjusting ring are conflicted, and described Adjusting ring is that corrosion resistant material is made.
4. safety valve according to claim 3, is characterized in that: described holding down bolt is that corrosion resistant material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520064416.XU CN204477426U (en) | 2015-01-29 | 2015-01-29 | A kind of safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520064416.XU CN204477426U (en) | 2015-01-29 | 2015-01-29 | A kind of safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204477426U true CN204477426U (en) | 2015-07-15 |
Family
ID=53633218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520064416.XU Active CN204477426U (en) | 2015-01-29 | 2015-01-29 | A kind of safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204477426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202170A (en) * | 2017-07-07 | 2017-09-26 | 浙江天和阀门有限公司 | A kind of processing method of spring Fluorine-lined safety valve and its flap component and flap component |
-
2015
- 2015-01-29 CN CN201520064416.XU patent/CN204477426U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202170A (en) * | 2017-07-07 | 2017-09-26 | 浙江天和阀门有限公司 | A kind of processing method of spring Fluorine-lined safety valve and its flap component and flap component |
| CN107202170B (en) * | 2017-07-07 | 2023-06-23 | 浙江天和阀门有限公司 | Processing method of valve clack assembly of spring type fluorine-lined safety valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |