CN207864633U - Adjust cut-out combination valve - Google Patents
Adjust cut-out combination valve Download PDFInfo
- Publication number
- CN207864633U CN207864633U CN201820163468.6U CN201820163468U CN207864633U CN 207864633 U CN207864633 U CN 207864633U CN 201820163468 U CN201820163468 U CN 201820163468U CN 207864633 U CN207864633 U CN 207864633U
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- valve
- adjusting
- cut
- runner
- valve seat
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Abstract
The utility model is related to a kind of adjustings to cut off combination valve, including valve body, runner is provided in valve body, valve body is disposed with the cut-off parts with the adjusting part for adjusting runner traffic engineering capability and with cut-out runner function along flow direction, adjustment portion point includes regulating valve stem, adjusting spool and regulating valve seat, regulating valve stem drives adjusting spool elevating control runner flow, regulating valve seat is set in runner, and it is in the annular coaxial with valve rod, the column sealed portion that adjusting spool stretches into valve seat and coordinates with the sealing of valve seat inner circumferential.Using the above scheme, the utility model provides a kind of while having adjusting and cutting function, reduction part total amount, the adjusting cut-out combination valve for improving degree of regulation.
Description
Technical field
The utility model cuts off combination valve more particularly to a kind of adjusting.
Background technology
Valve is for being opened and closed pipeline, control flow direction, the parameter for adjusting and controlling pumped (conveying) medium（Temperature, pressure and flow）
Pipeline fittings.According to its function, stop valve, check-valves, regulating valve etc. can be divided into.
Valve includes valve body, valve rod and spool, and runner is provided in valve body, and cutting for runner is realized in valve rod control spool action
Disconnected or circulation, traditional valve only have a kind of function（Cut-out, non-return or adjusting）, when needing two of which function, need
Two kinds of valves are installed successively in pipeline, the installation steps not only installed one by one are more complex, but also the part total amount of each valve is larger,
The probability easily to go wrong is higher, in addition, the spool of regulating valve and valve seat concentricity are more difficult to control, degree of regulation and stability by
To influence.
Invention content
In view of the deficienciess of the prior art, there is adjusting and cut-out simultaneously the purpose of this utility model is to provide a kind of
Function, the adjusting cut-out combination valve for reducing part total amount, improving degree of regulation.
To achieve the above object, the utility model provides following technical solution：Including valve body, setting in the valve body
There is runner, it is characterised in that：The valve body is disposed with along flow direction with the adjustment portion for adjusting runner traffic engineering capability
Point and the cut-off parts with cut-out runner function, the adjustment portion point include regulating valve stem, adjusting spool and regulating valve seat,
The regulating valve stem drives adjusting spool elevating control runner flow, the regulating valve seat be set in runner and with adjusting
Seal spool coordinates, and the regulating valve seat is in the ring-shaped coaxial with valve rod, and the adjusting spool stretches into valve seat and and valve
The compatible guide part of seat inner circumferential shape.
By using above-mentioned technical proposal, part will be adjusted and cut-off parts are installed on same valve body, the two function carries out
It is integrated, make valve while there is adjusting and cutting function, shares same valve body due to adjusting part and cut-off parts, reduce zero
Part total amount also reduces the probability to go wrong, in addition, in adjusting spool setting stretch into valve seat and with valve seat inner circumferential shape phase
The guide part of adaptation, concentricity higher, adjusting is more stable, that is, improves degree of regulation.
The utility model is further arranged to：The regulating valve stem is coaxially disposed with adjusting spool in one.
By using above-mentioned technical proposal, regulating valve stem and adjusting spool are integrally machined, make the concentricity higher of the two,
To further increase adjusting stability.
The utility model is further arranged to：The valve body is correspondingly arranged on the valve of installation and adjustment valve rod with regulating valve stem
Bar installing port and the valve deck for closing the valve rod installing port, the valve deck, which has been wholely set, stretches into valve rod installing port, inner circumferential and tune
Save the stem outer circumference valve cage that axially sliding coordinates.
By using above-mentioned technical proposal, valve cage and valve deck are wholely set, on the one hand reduce number of parts, reduces leakage
Point improves leakproofness, improves install convenient, on the other hand, improves the concentricity of valve cage and valve rod, strengthens valve cage to valve rod
Guide function also increases the intensity of valve cage itself.
The utility model is further arranged to：The valve cage is labyrinth type valve cage.
By using above-mentioned technical proposal, in the use environment applied to High Pressure Difference, labyrinth type valve cage is selected, highest can
It realizes 64 grades of decompressions, 30Mpa pressure can be down to 0Mpa.
The utility model is further arranged to：The cut-off parts include ball-valve valve rod, sphere and floating type valve seat, institute
The cut-out for the ball-valve valve rod driving sphere rotation control runner stated and unicom, the floating type valve seat are installed on runner and and ball
Body sealing cooperation.
By using above-mentioned technical proposal, ball valve is selected to improve whole valve as cut-off parts to realize that 0 is leakage sealed
Sealing performance, and ball seat selects floating type valve seat, sealing effect is good, and pressure more high sealing performance is more reliable.
The utility model is further arranged to：The valve body, which is located to adjust, to be provided with and flows between part and cut-off parts
The blow-off line of road unicom, the blow-off line are detachably provided with control of sewage disposal pipeline and extraneous unicom or the needle-like of cut-out
Valve, the blow-off line are provided with the threaded mounting hole with extraneous unicom.
By using above-mentioned technical proposal, the blowdown of needle valve control of sewage disposal pipeline, threaded mounting hole is applied widely, makes
User can be combined and be installed blowdown pipeline by actual demand, led to sewage-treatment plant and carried out sewage.
The utility model is further described with reference to the accompanying drawings and detailed description.
Description of the drawings
Fig. 1 is the structural schematic diagram of specific embodiment of the present invention；
Fig. 2 is the A of Fig. 1 to sectional view；
Fig. 3 is the electric control loop of specific embodiment of the present invention.
Specific implementation mode
As shown in Fig. 1-Fig. 2, the utility model discloses a kind of adjustings to cut off combination valve, including valve body 1, is set in valve body 1
It is equipped with runner 11, valve body 1 is disposed with the adjusting part 2 for adjusting 11 traffic engineering capability of runner along flow direction and with cutting
The cut-off parts 3 for 11 function of road that stops, it includes regulating valve stem 21, adjusting spool 22 and regulating valve seat 23, regulating valve to adjust part 2
Bar 21 drives 22 elevating control runner of adjusting spool, 11 flow, regulating valve seat 23 to be set in runner 11 and close with adjusting spool 22
Envelope cooperation, regulating valve seat 23 are in the ring-shaped coaxial with valve rod, and adjusting spool 22 stretches into valve seat and mutually fitted with valve seat inner circumferential shape
The guide part 221 matched will adjust part 2 and cut-off parts 3 be installed on same valve body 1, and the two function is integrated, and keeps valve same
When have and adjust and cutting function, share same valve body 1 due to adjusting part 2 and cut-off parts 3, reduce part total amount,
The probability to go wrong is reduced, in addition, valve seat and compatible with valve seat inner circumferential shape is stretched into setting in adjusting spool 22
Guide part 221, concentricity higher, adjusting is more stable, that is, improves degree of regulation, and valve body 1 is provided with 21 liters of regulating valve stem of driving
The air bladder actuator 24 and locator 25 of drop, 22 bottom of adjusting spool be provided with adjust notch 222, adjusting spool 22 it is whole
Body hardening process, head is more resistant to erosion, due to using identical body diameter in minimum discharge coefficient, only changes engraving
Slot size changes discharge coefficient, and the smaller valve of all discharge coefficients, compressive resistance is more advantageous, and service life is more long；
Adjusting spool 22 also can be designed to balanced type according to working condition requirement, meet different working condition requirements.
Regulating valve stem 21 is in that one is coaxially disposed with adjusting spool 22, and regulating valve stem 21 and 22 one of adjusting spool are added
Work makes the concentricity higher of the two, to further increase adjusting stability.
Valve body 1 is correspondingly arranged on the valve rod installing port 12 of installation and adjustment valve rod 21 with regulating valve stem 21 and closes valve rod peace
The valve deck 13 of mouth 12 is filled, valve deck 13, which has been wholely set, stretches into valve rod installing port 12, inner circumferential and the sliding of 21 peripheral, axial of regulating valve stem
The valve cage 14 of cooperation, valve cage 14 and valve deck 13 are wholely set, and on the one hand reduce number of parts, reduce leakage point, improve sealing
Property, install convenient is improved, on the other hand, improves the concentricity of valve cage 14 and valve rod, strengthens guiding work(of the valve cage 14 to valve rod
Can, also increase valve cage 14 intensity of itself.
Valve cage 14 is labyrinth type valve cage 14, in the use environment applied to High Pressure Difference, selects labyrinth type valve cage 14, highest
64 grades of decompressions can be achieved, 30Mpa pressure can be down to 0Mpa.
Cut-off parts 3 include ball-valve valve rod 31, sphere 32 and floating type valve seat 33, and ball-valve valve rod 31 drives sphere 32 to rotate
Cut-out and the unicom of runner 11 are controlled, floating type valve seat 33, which is installed on runner 11 and is sealed with sphere 32, to be coordinated, and ball valve is selected to make
Whole valve sealing performance is improved to realize that 0 is leakage sealed for cut-off parts 3, and ball seat selects floating type valve seat 33, it is close
Envelope effect is good, and pressure more high sealing performance is more reliable, and valve body 1 is provided with the double-acting cylinder that driving ball-valve valve rod 31 rotates and executes
Device 34.
Valve body 1 is located at the blow-off line 15 for adjusting and being provided between part 2 and cut-off parts 3 with 11 unicom of runner, blowdown
Pipeline 15 is detachably provided with control of sewage disposal pipeline 15 and extraneous unicom or the needle valve 4 of cut-out, blow-off line 15 be provided with
The threaded mounting hole 151 of extraneous unicom, the blowdown of 4 control of sewage disposal pipeline 15 of needle valve, threaded mounting hole 151 is applied widely,
User can be combined and be installed blowdown pipeline by actual demand, led to sewage-treatment plant and carried out sewage.
As shown in figure 3, disclosing a kind of electric control loop of specific embodiment of the present invention, but it is not limited to this
Kind, pressure is reduced to double-acting cylinder actuator requirement pressure by air source air by the first air filtration pressure reducing valve（Usually
4Bar）, into the first solenoid valve：
（1）When the first solenoid valve is normally opened, bleed pressure is depressurized by the second air filtration pressure reducing valve（Usually
2.5Bar）Afterwards enter locator, by control system input locator 4-20MADC signals control air bladder actuator into
Tolerance, and then control valve aperture, reach regulating effect.Locator exports feedback signal to control system simultaneously, corrects input
Signal value, the first travel switch and the second travel switch feed back to control system by 2 switching signal of part is adjusted.At this time due to cutting
Disconnected part 3 belongs to air source dissengaged positions, is in fully open position, this valve only plays adjustment effect.
（2）When the first solenoid valve excitation, air bladder actuator, which is in, loses gaseity, and adjusting part 2 is normally opened, air source pressure
Power acts on cylinder actuator by normally opened second solenoid valve, so that cut-off parts 3 is closed, this valve is closed at this time；When
First solenoid valve and second solenoid valve simultaneously excitation when, 3 standard-sized sheet of cut-off parts, this valve is in fully open position；This valve is only played and is cut
Disconnected effect.
Claims (6)
1. combination valve, including valve body are cut off in a kind of adjusting, runner is provided in the valve body, it is characterised in that：The valve
Body is disposed with the cut-out with the adjusting part for adjusting runner traffic engineering capability and with cut-out runner function along flow direction
Part, the adjustment portion point include regulating valve stem, adjusting spool and regulating valve seat, and the regulating valve stem drives adjusting spool
Elevating control runner flow, the regulating valve seat, which is set in runner and is sealed with adjusting spool, to be coordinated, the regulating valve
Seat is in the ring-shaped coaxial with valve rod, and the adjusting spool stretches into valve seat and guide part compatible with valve seat inner circumferential shape.
2. combination valve is cut off in adjusting according to claim 1, it is characterised in that：The regulating valve stem is in adjusting spool
One coaxial arrangement.
3. combination valve is cut off in adjusting according to claim 1, it is characterised in that：The valve body is corresponding with regulating valve stem to be set
It is equipped with the valve rod installing port of installation and adjustment valve rod and closes the valve deck of the valve rod installing port, the valve deck, which has been wholely set, to be stretched into
The valve cage of valve rod installing port, inner circumferential and the sliding cooperation of regulating valve stem peripheral, axial.
4. combination valve is cut off in adjusting according to claim 3, it is characterised in that：The valve cage is labyrinth type valve cage.
5. combination valve is cut off in adjusting according to claim 1 or 2 or 3 or 4, it is characterised in that：The cutting portion subpackage
Ball-valve valve rod, sphere and floating type valve seat are included, the ball-valve valve rod drives cut-out and the unicom of sphere rotation control runner, institute
The floating type valve seat stated is installed on runner and coordinates with ball seal.
6. combination valve is cut off in adjusting according to claim 5, it is characterised in that：The valve body, which is located at, to be adjusted part and cuts
The blow-off line with runner unicom is provided between disconnected part, the blow-off line is provided with control of sewage disposal pipeline and joins with extraneous
Logical or cut-out needle valve, the blow-off line are provided with the threaded mounting hole with extraneous unicom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820163468.6U CN207864633U (en) | 2018-01-31 | 2018-01-31 | Adjust cut-out combination valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820163468.6U CN207864633U (en) | 2018-01-31 | 2018-01-31 | Adjust cut-out combination valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207864633U true CN207864633U (en) | 2018-09-14 |
Family
ID=63459611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820163468.6U Active CN207864633U (en) | 2018-01-31 | 2018-01-31 | Adjust cut-out combination valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207864633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388486A (en) * | 2019-04-30 | 2019-10-29 | 黑龙江北方阀业有限责任公司 | The compound valve group of antiscour |
-
2018
- 2018-01-31 CN CN201820163468.6U patent/CN207864633U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388486A (en) * | 2019-04-30 | 2019-10-29 | 黑龙江北方阀业有限责任公司 | The compound valve group of antiscour |
| CN110388486B (en) * | 2019-04-30 | 2024-02-23 | 黑龙江北方阀业有限责任公司 | Anti-scouring composite valve group |
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