CN206496001U - Fluorine-lined bellows regulating valve - Google Patents
Fluorine-lined bellows regulating valve Download PDFInfo
- Publication number
- CN206496001U CN206496001U CN201620989346.3U CN201620989346U CN206496001U CN 206496001 U CN206496001 U CN 206496001U CN 201620989346 U CN201620989346 U CN 201620989346U CN 206496001 U CN206496001 U CN 206496001U
- Authority
- CN
- China
- Prior art keywords
- valve
- bellows
- valve element
- valve rod
- lined
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000000407 epitaxy Methods 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 230000003628 erosive effect Effects 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
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- Details Of Valves (AREA)
Abstract
The utility model discloses a kind of Fluorine-lined bellows regulating valve, including valve body, bonnet and valve rod, the lower end of valve rod is provided with valve element, the longitudinal cavity turned on medium channel is just being provided with valve body to valve seat, bellows is cased with valve rod in longitudinal cavity, valve element upper end is threaded connecting shaft, valve element upper surface is provided with annular mounting groove around thread cnnecting shaft, valve rod lower end carries the threaded connection hole of genesis analysis, valve element is connected through a screw thread axle and is threadedly coupled with the threaded connection hole of valve rod lower end, bellows lower end is inserted in annular mounting groove and uses disc spring pressing, O-ring seal is provided with annular mounting groove, bellows lower end compresses O-ring seal, bellows applies downward pretightning force to valve element all the time, the upper end of bellows forms liquid-tight envelope with bonnet, the lower end of bellows forms liquid-tight envelope with valve element.The bellows of the Fluorine-lined bellows regulating valve can be formed to the junction of valve rod and valve rod and bonnet, valve element and protected, it is to avoid erosion medium resistance, and bellows can provide valve element pretightning force and itself and valve seat is formed static sealing, promote sealing effectiveness.
Description
Technical field
The utility model is related to a kind of Fluorine-lined bellows regulating valve.
Background technology
Traditional Fluorine-lined regulating valve, including valve body, bonnet and valve rod, the lower end of valve rod are provided with valve element, its valve rod and valve element
Between it is generally in larger distance, and do not configure guider, valve rod is exposed in media as well, it is easy to be etched, so as to influence to make
With.
Utility model content
In view of the deficiency that background technology is present, technical problem to be solved in the utility model is to provide one kind can be longer
Apart from the interior Fluorine-lined regulating valve being oriented to valve rod.
The utility model adopts the following technical scheme that to complete：Fluorine-lined bellows regulating valve, including valve body, bonnet and
Valve rod, the lower end of valve rod is provided with valve element, it is characterized in that：Just valve seat is provided with the valve body and indulged with medium channel conducting
To cavity, bellows is cased with the valve rod in longitudinal cavity, the valve element upper end is threaded connecting shaft, the valve element upper surface
Thread cnnecting shaft is provided with annular mounting groove, the valve rod lower end carries the threaded connection hole of genesis analysis, the valve element
The threaded connection hole that axle is connected through a screw thread with valve rod lower end is threadedly coupled, and the bellows lower end is inserted in annular mounting groove simultaneously
Using disc spring pressing, O-ring seal is provided with the annular mounting groove, the bellows lower end compresses O-ring seal, institute
State bellows and apply downward pretightning force to valve element all the time, upper end and the bonnet of the bellows form liquid-tight envelope, the ripple
The lower end of pipe forms liquid-tight envelope with valve element.
The bellows for the Fluorine-lined bellows regulating valve that the utility model is provided can be to valve rod and valve rod and bonnet, valve element
Junction forms protection, it is to avoid erosion medium resistance, and bellows can provide pretightning force to valve element and it is formed static state with valve seat
Sealing, promotes sealing effectiveness.
Brief description of the drawings
The utility model has drawings described below：
The structure schematic cross-sectional view for the Fluorine-lined bellows regulating valve that Fig. 1 provides for the utility model.
Embodiment
Accompanying drawing illustrates the technical solution of the utility model and embodiment, is further described in fact in conjunction with accompanying drawing below
Apply each relevant details and its operation principle of example.
Shown in reference picture 1, the Fluorine-lined bellows regulating valve that the utility model is provided, including valve body 1, bonnet 2 and valve rod 3,
The lower end of valve rod 3 is provided with the longitudinal cavity 6 for being just provided with and being turned on medium channel to valve seat 5 in valve element 4, the valve body 1, indulges
Bellows 7 is cased with valve rod 3 into cavity 6, the upper end of valve element 4 is threaded connecting shaft 8, the upper end face ring of valve element 4
Thread cnnecting shaft 8 is provided with annular mounting groove 9, the lower end of valve rod 3 carries the threaded connection hole 10 of genesis analysis, the valve
Core 4 is connected through a screw thread axle 8 and is threadedly coupled with the threaded connection hole 10 of the lower end of valve rod 3, and annular peace is inserted in the lower end of bellows 7
Compressed in tankage 9 and using disc spring 11, O-ring seal is provided with the annular mounting groove 9, the lower end of bellows 7 is compressed
O-ring seal, the setting of O-ring seal make the lower end of bellows 7 formed with valve element 4 together with seal, and disc spring 11 can be by ripple
Pipe 7 is pressed on valve rod 3 and forms second sealing, and the bellows 7 applies downward pretightning force to valve element 4 all the time, described
The upper end of bellows 7 is with bonnet 2 into liquid-tight envelope, and lower end and the valve element 4 of the bellows 7 form liquid-tight envelope.
Shown in reference picture 1, in order to preferably form sealing, the periphery of valve element 3 is lined with PTFE layer, the valve seat 5
With the vertical direction opening towards valve element 3, the valve element carries the epitaxy part 41 for being slightly wider than main body, and epitaxy part 41 is with annular
Inclined-plane 42, the annular slope 42 and the formation line contact sealing of valve seat 5, the valve seat 5 and ring when the valve element 4 compresses valve seat 5
Shape inclined-plane 42 contact position at right angles or acute angle.
Shown in reference picture 1, the medium flow channel 13 and medium flow pass 14 are perpendicular with the moving direction of valve rod 3
Distribution, the medium flow channel 13 and medium flow pass 14 are in same level.When medium flow channel 13 and medium
When flow pass 14 is in same level, be conducive to lengthening the He of medium flow channel 13 in the case where not increasing significant volume
Medium flow pass 14, and then add the volume of valve body 1.
Claims (3)
1. a kind of Fluorine-lined bellows regulating valve, including valve body, bonnet and valve rod, the lower end of valve rod are provided with valve element, it is characterized in that：
Ripple is cased with the valve rod being just provided with the valve body to valve seat in the longitudinal cavity turned on medium channel, longitudinal cavity
Pipe, the valve element upper end is threaded connecting shaft, and the valve element upper surface is provided with annular mounting groove around thread cnnecting shaft, institute
The threaded connection hole that valve rod lower end carries genesis analysis is stated, the valve element is connected through a screw thread the threaded connection of axle and valve rod lower end
Hole is threadedly coupled, and the bellows lower end is inserted in annular mounting groove and uses disc spring pressing, is set in the annular mounting groove
There is O-ring seal, the bellows lower end compresses O-ring seal, and the bellows applies downward pretension to valve element all the time
Power, upper end and the bonnet of the bellows form liquid-tight envelope, and lower end and the valve element of the bellows form liquid-tight envelope.
2. Fluorine-lined bellows regulating valve according to claim 1, it is characterized in that：The valve element periphery is lined with PTFE
Layer, the valve seat has the vertical direction opening towards valve element, and the valve element carries the epitaxy part for being slightly wider than main body, epitaxy part band
There is annular slope, the annular slope and valve seat formation line contact sealing, the valve seat and annular when the valve element compresses valve seat
The position of contact of incline plane is at right angles or acute angle.
3. Fluorine-lined bellows regulating valve according to claim 1 or 2, it is characterized in that：Medium flow channel in valve body and
Medium flow pass is in vertical distribution with valve rod moving direction, and the medium flow channel and medium flow pass are in same
Horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620989346.3U CN206496001U (en) | 2016-08-31 | 2016-08-31 | Fluorine-lined bellows regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620989346.3U CN206496001U (en) | 2016-08-31 | 2016-08-31 | Fluorine-lined bellows regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206496001U true CN206496001U (en) | 2017-09-15 |
Family
ID=59800735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620989346.3U Withdrawn - After Issue CN206496001U (en) | 2016-08-31 | 2016-08-31 | Fluorine-lined bellows regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206496001U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151537A (en) * | 2016-08-31 | 2016-11-23 | 浙江智鹏自控阀门有限公司 | Fluorine-lined bellows regulating valve |
| CN113474584A (en) * | 2020-01-31 | 2021-10-01 | 株式会社石崎 | Check valve |
-
2016
- 2016-08-31 CN CN201620989346.3U patent/CN206496001U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151537A (en) * | 2016-08-31 | 2016-11-23 | 浙江智鹏自控阀门有限公司 | Fluorine-lined bellows regulating valve |
| CN106151537B (en) * | 2016-08-31 | 2019-04-05 | 浙江智鹏自控阀门有限公司 | Fluorine-lined bellows regulating valve |
| CN113474584A (en) * | 2020-01-31 | 2021-10-01 | 株式会社石崎 | Check valve |
| US11828373B2 (en) | 2020-01-31 | 2023-11-28 | Ishizaki Co., Ltd. | Check valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170915 Effective date of abandoning: 20190405 |