CN206361171U - A kind of liquid control valve for being depressured anti-cavitation - Google Patents
A kind of liquid control valve for being depressured anti-cavitation Download PDFInfo
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- CN206361171U CN206361171U CN201621307137.2U CN201621307137U CN206361171U CN 206361171 U CN206361171 U CN 206361171U CN 201621307137 U CN201621307137 U CN 201621307137U CN 206361171 U CN206361171 U CN 206361171U
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- cavitation
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Abstract
The utility model is related to valve field, specifically a kind of liquid control valve for being depressured anti-cavitation.Including valve body, valve seat, valve element, valve rod, it is characterized in that：The top of the valve body is provided with valve seat, the top of the valve seat is provided with valve rod, the outside of valve rod is arranged with valve element, bonnet and pressing plate successively from bottom to up, bottom outside valve element is arranged with three lower sleeves successively from the inside to the outside, some through holes are offered on the lower sleeve, the through hole is vertically arranged, the guiding gutter provided with about some arrangements between two adjacent lower sleeves, upper bush is arranged with outside the valve element on lower sleeve, sealing ring protection pad is embedded with the upper bush bottom outside valve element.The utility model compared with the existing technology, guide spring is embedded between lower guide sleeve and guide sleeve, effectively the vibration of reduction regulating valve；Guiding gutter is provided between lower sleeve, and lower sleeve using three layers, effectively slows down the cavitation erosion situation of regulating valve, extends its service life, the cost safeguarded is reduced.
Description
Technical field
The utility model is related to valve field, specifically a kind of liquid control valve for being depressured anti-cavitation.
Background technology
Regulating valve is that in industrial automation process control field, the control exported by receiving regulation unit is believed
Number, go to change the final control element of the technological parameters such as rate-of flow, pressure, temperature, liquid level by power operation.In regulating valve
In the case of conducting fluid, pressure is then that turbulent flow or viscous friction are consumed, and both of which converts the pressure into heat energy, leads
Temperature is caused slightly to raise, meanwhile, the fluid flowed produces the phenomenon of steam bubble due to the reduction of local pressure.Pump cavitates,
The erosion of parts can be caused at cavitation erosion position, further development will then cause lift to decline, and produce vibration noise.
Regulating valve cavitates seriously, and often leading to factory needs to change regulating valve in use, and not only more
Breaking working is needed when changing regulating valve, is delayed man-hour, and add processing cost.
The content of the invention
The utility model designs a kind of liquid control valve for being depressured anti-cavitation, Ke Yiyou to overcome the deficiencies in the prior art
Effect slows down the cavitation erosion situation of regulating valve, and reduces the vibration noise produced during regulating valve work, so as to improve making for regulating valve
With the life-span, the processing cost of factory is reduced, man-hour is saved.
To achieve the above object, a kind of liquid control valve for being depressured anti-cavitation, including valve body, valve seat, valve element, valve are designed
Bar, it is characterized in that：The top of the valve body is provided with valve seat, and the top of the valve seat is provided with valve rod, and the outside of valve rod is from bottom to up
The bottom being arranged with successively outside valve element, bonnet and pressing plate, valve element is arranged with three lower sleeves, the lower sleeve successively from the inside to the outside
On offer some through holes, the through hole is vertically arranged, between two adjacent lower sleeves provided with about some arrange lead
Chute, upper bush is arranged with outside the valve element on lower sleeve, and sealing ring shield is embedded with the upper bush bottom outside valve element
Pad；The bottom of the bonnet abuts the top of upper bush, is embedded with lower guide sleeve between bonnet and valve rod successively from bottom to up, leads
To set, bushing, filler and gland, guide spring is embedded with the bonnet outside lower guide sleeve, the guide spring
Top is abutted, and is passed bonnet at the top of gland and is abutted the lower surface of pressing plate；The top outer of the bonnet is provided with two
Some buckles are offered on the outside of clip, the bonnet below clip.
A chamber is formed between the bonnet, upper bush and valve element, the bottom of valve rod passes through chamber and is embedded in valve body
Interior, the top of the chamber abuts the bottom of lower guide sleeve, and hole back-up ring, the bottom of chamber are additionally provided between chamber and lower guide sleeve
Portion abuts valve element.
Place before and after described two clips, clip is respectively arranged on the left side and the right side screw thread, two clips are by through screw thread
Hexagon socket head cap screw be connected.
The side of the gland is embedded with bolt.
The bonnet is respectively arranged on the left side and the right side a stud, and bonnet is connected by stud with valve body.
The utility model compared with the existing technology, opens up buckle on the outside side wall of bonnet, convenient that letter is connected on bonnet
Number reception device, simplifies structure；Guide spring is embedded between lower guide sleeve and guide sleeve, effectively the vibration of reduction regulating valve；
Guiding gutter is provided between lower sleeve, and lower sleeve using three layers, effectively slows down the cavitation erosion situation of regulating valve, and valve element with
The junction of lower sleeve sets O-ring seal, increases the sealing property of regulating valve, extends its service life, reduction safeguard into
This.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of lower sleeve in the utility model.
Referring to Fig. 1~Fig. 2, wherein, 1 is valve body, and 2 be valve seat, and 3 be lower sleeve, and 4 be sealing ring protection pad, and 5 be upper bush, 6
It is bonnet, 7 be stud, and 8 be guide sleeve, and 9 be bushing, and 10 be filler group, and 11 be gland, and 12 be pressing plate, and 13 be spiral shell
Bolt, 14 be clip, and 15 be buckle, and 16 be guide spring, and 17 be lower guide sleeve, and 18 be hole back-up ring, and 19 be chamber, and 20 be logical
Hole, 21 be guiding gutter, and 22 be valve rod, and 23 be valve element.
Embodiment
The utility model is described further below according to accompanying drawing.
As shown in Fig. 1~Fig. 2, the top of the valve body 1 is provided with valve seat 2, and the top of the valve seat 2 is provided with valve rod 22, valve
The bottom that the outside of bar 22 is arranged with outside valve element 23, bonnet 6 and pressing plate 12, valve element 23 successively from bottom to up covers successively from the inside to the outside
Provided with three lower sleeves 3, some through holes 20 are offered on the lower sleeve 3, the through hole 20 is vertically arranged, under adjacent two
Upper bush 5, position are arranged with outside guiding gutter 21 provided with about some arrangements between sleeve 3, the valve element 23 on lower sleeve 3
In being embedded with sealing ring protection pad 4 in the bottom of upper bush 5 outside valve element 23；The bottom of the bonnet 6 abuts the top of upper bush 5,
It is embedded with lower guide sleeve 17, guide sleeve 8, bushing 9, filler 10 and gland between bonnet 6 and valve rod 22 successively from bottom to up
11, guide spring 16 is embedded with the bonnet 6 outside lower guide sleeve 17, the top of the guide spring 16 is abutted, filler pressure
The top of lid 11 passes bonnet 6 and abuts the lower surface of pressing plate 12；The top outer of the bonnet 6 is provided with two clips 14, position
Some buckles 15 are offered in the outside of bonnet 6 of the lower section of clip 14.
A chamber 19 is formed between the bonnet 6, upper bush 5 and valve element 23, the bottom of valve rod 22 passes through chamber 19 simultaneously
It is embedded in valve body 1, the top of the chamber 19 abuts the bottom of lower guide sleeve 17, is also set between chamber 19 and lower guide sleeve 17
There is hole back-up ring 18, the bottom of chamber 19 abuts valve element 23.
Place before and after described two clips 14, clip 14 is respectively arranged on the left side and the right side screw thread, and two clips 14 are by wearing
The hexagon socket head cap screw for crossing screw thread is connected.
The side of the pressing plate 12 is embedded with bolt 13.
The bonnet 6 is respectively arranged on the left side and the right side a stud 7, and bonnet 6 passes through stud 7 and the phase of valve body 1
Even.
The utility model is in use, open up buckle 15 on the outside side wall of bonnet 6, the convenient signal that connected on bonnet 6 connects
Receiving apparatus, simplifies structure；Guide spring 16 is embedded between lower guide sleeve 17 and guide sleeve 8, effectively the vibration of reduction regulating valve；
Guiding gutter 21 is provided with using three layers of lower sleeve 3, and between lower sleeve 3, effectively slows down the cavitation erosion situation of regulating valve, extending it makes
With the life-span, the cost safeguarded is reduced.
Claims (5)
1. a kind of liquid control valve for being depressured anti-cavitation, including valve body, valve seat, valve element, valve rod, it is characterized in that：The valve body（1）
Top be provided with valve seat（2）, the valve seat（2）Top be provided with valve rod（22）, valve rod（22）Outside cover successively from bottom to up
Provided with valve element（23）, bonnet（6）And pressing plate（12）, valve element（23）Outer bottom is arranged with three lower sleeves successively from the inside to the outside
（3）, the lower sleeve（3）On offer some through holes（20）, the through hole（20）It is vertically arranged, two adjacent lower sleeves
（3）Between provided with about some arrange guiding gutters（21）, positioned at lower sleeve（3）On valve element（23）It is arranged with upper bush outside
（5）, positioned at valve element（23）Outer upper bush（5）Sealing ring protection pad is embedded with bottom（4）；The bonnet（6）Bottom abut
Upper bush（5）Top, bonnet（6）With valve rod（22）Between be embedded with lower guide sleeve successively from bottom to up（17）, guide sleeve
（8）, bushing（9）, filler（10）And gland（11）, positioned at lower guide sleeve（17）Outer bonnet（6）Inside it is embedded with guiding bullet
Spring（16）, the guide spring（16）Top abut, gland（11）Top pass bonnet（6）And abut pressing plate（12）
Lower surface；The bonnet（6）Top outer provided with two clips（14）, positioned at clip（14）The bonnet of lower section（6）Outside
Offer some buckles（15）.
2. a kind of liquid control valve for being depressured anti-cavitation as claimed in claim 1, it is characterized in that：The bonnet（6）, upper bush
（5）With valve element（23）Between formed a chamber（19）, valve rod（22）Bottom pass through chamber（19）And be embedded in valve body（1）
It is interior, the chamber（19）Top abut lower guide sleeve（17）Bottom, chamber（19）With lower guide sleeve（17）Between be additionally provided with
Hole back-up ring（18）, chamber（19）Bottom abut valve element（23）.
3. a kind of liquid control valve for being depressured anti-cavitation as claimed in claim 1, it is characterized in that：Described two clips（14）Before
After place, clip（14）Be respectively arranged on the left side and the right side screw thread, two clips（14）Pass through the hexagon socket head cap screw phase through screw thread
Even.
4. a kind of liquid control valve for being depressured anti-cavitation as claimed in claim 1, it is characterized in that：The pressing plate（12）Side
It is embedded with bolt（13）.
5. a kind of liquid control valve for being depressured anti-cavitation as claimed in claim 1, it is characterized in that：The bonnet（6）Left and right
Both sides are respectively equipped with a stud（7）, bonnet（6）Pass through stud（7）With valve body（1）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621307137.2U CN206361171U (en) | 2016-11-30 | 2016-11-30 | A kind of liquid control valve for being depressured anti-cavitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621307137.2U CN206361171U (en) | 2016-11-30 | 2016-11-30 | A kind of liquid control valve for being depressured anti-cavitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206361171U true CN206361171U (en) | 2017-07-28 |
Family
ID=59373052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621307137.2U Active CN206361171U (en) | 2016-11-30 | 2016-11-30 | A kind of liquid control valve for being depressured anti-cavitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206361171U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725807A (en) * | 2017-11-16 | 2018-02-23 | 杭州华惠阀门有限公司 | A kind of septum valve |
| CN118009097A (en) * | 2024-04-10 | 2024-05-10 | 蓝帕控制阀门(江苏)有限公司 | Multistage pressure reducing regulating valve |
-
2016
- 2016-11-30 CN CN201621307137.2U patent/CN206361171U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725807A (en) * | 2017-11-16 | 2018-02-23 | 杭州华惠阀门有限公司 | A kind of septum valve |
| CN118009097A (en) * | 2024-04-10 | 2024-05-10 | 蓝帕控制阀门(江苏)有限公司 | Multistage pressure reducing regulating valve |
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| GR01 | Patent grant |