CN205078810U - Balanced type axial compressor governing valve - Google Patents
Balanced type axial compressor governing valve Download PDFInfo
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- CN205078810U CN205078810U CN201520797019.3U CN201520797019U CN205078810U CN 205078810 U CN205078810 U CN 205078810U CN 201520797019 U CN201520797019 U CN 201520797019U CN 205078810 U CN205078810 U CN 205078810U
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- valve
- flow
- valve body
- balanced type
- type axial
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Abstract
The utility model provides a balanced type axial compressor governing valve, includes: outer valve body and interior valve body, outer valve body forms the flow entry, the internal formation flow passageway of internal valve just forms the flow window on the wall, a squirrel cage section of thick bamboo, the squirrel cage cylindric becomes the flow export, the valve rod, piston assembly is connected in its axial one end to the valve rod, connects drive arrangement at its other end, the valve rod drives piston assembly makes straight reciprocating motion in order to adjust the flow window, and make when being in closed position, the flow window closes the flow export of a squirrel cage section of thick bamboo, wherein: the messenger is arranged into to outer valve body flow entry with the internal valve is internal the flow passageway is the right angle and arranges, the messenger is arranged into to a squirrel cage section of thick bamboo flow export with the internal valve is internal the flow passageway is axially aligned. By the utility model discloses an above -mentioned structure can realize that the medium fluidic does not have to hinder and flow, and furtherly can realize the accurate linear of flow and adjusts.
Description
Technical field
The utility model relates to modulating valve, especially relates to balanced type axial flow modulating valve.
Background technique
Modulating valve belongs to control valve, mainly in field of industrial automatic control for regulating the parameters such as pressure medium, flow, temperature, be the final control unit of process loop.Modulating valve has that droop loss is little, flow is large, adjustable extent is wide, Flow characteristics precision high.But at present in the application of modulating valve, the requirement for modulating valve is more and more higher, that is, requirement can realize the adjustment of flow exact linear, can ensure the linear of actuator's action again.
Prior art has a kind of Flow-rate adjustment balanced type axial flow modulating valve, such as belong to the CN201520057766.3 Chinese utility model patent of the applicant, as shown in Figure 1, wherein adopt the two-layer valve body be made up of inside and outside valve body, inner valve body both sides arrange guide rod, and guide rod arranges piston, piston is arranged hinged suspension ring head, hinged suspension ring head is connected with valve rod by linking mechanism, and piston and conductor form slippage and coordinate, and outer valve is connected coaxially with mouse cage cylinder; Wherein, piston to open or close along conductor slippage on inner valve body form medium fluid window, fluid flows out from the opening of mouse cage cylinder subsequently.
Summary of the invention
The purpose of this utility model is to provide a kind of balanced type axial flow modulating valve, can realize the without hindrance flowing of medium fluid.
Further object of the present utility model is to provide a kind of balanced type axial flow modulating valve, and the exact linear that can realize flow regulates.
For achieving the above object, the utility model provides a kind of balanced type axial flow modulating valve, comprising: outer valve and inner valve body, and described outer valve forms traffic ingress, forms traffic channel and on wall, form flow window in described inner valve body; Mouse cage cylinder, described mouse cage cylinder forms flowexit; Valve rod, described valve rod axially one end connects piston assembly, at its other end connecting drive device; Described valve rod drives described piston assembly to do straight reciprocating motion to regulate described flow window, and closes the flowexit of mouse cage cylinder while making described flow window in the closed position; Wherein: described outer valve is arranged to the described traffic channel in described traffic ingress and described inner valve body is at right angles arranged; Described mouse cage cylinder is arranged to the described traffic channel in described flowexit and described inner valve body is axially aligned.
Preferably, described valve rod is through the described traffic channel of described inner valve body.
Preferably, described valve rod axially one end is directly connected with described piston assembly, and axially the other end directly connects described drive unit.
Preferably, the described flowexit of described mouse cage cylinder has identical sectional area with the axial co-axially align of the described traffic channel in described inner valve body.
Preferably, described piston assembly comprises piston only, and an axle head of described piston only is provided with stuffing box packing, and described stuffing box packing is held in place by bolt by Gland.
Preferably, described bolt adopts multistage locking silk to be locked on a described axle head of described piston only.
Preferably, the pair forming described modulating valve between described stuffing box packing and the described traffic channel of described inner valve body seals.
Preferably, the surface of contact between another axle head of described piston only and the described flowexit of described mouse cage cylinder forms the primary seal of described modulating valve.
By said structure of the present utility model, the traffic ingress that the valve body of balanced type axial flow modulating valve is formed is arranged at right angles arrange with the traffic channel in valve body, can there is not obstruction in flow channel through flow window in the fluid entered through traffic ingress like this, fluid is guided well point-blank in valve body; Further, piston assembly is driven directly by the straight line motion of valve rod, there is not the change of component moving direction, guaranteed flow exact linear, and the guaranteed flow exact linear adjustment simply and further of the driving structure of piston assembly.Moreover primary seal pair adopts metal sealing, secondary sealing adopts packing seal, can meet the adjustment requirement of worst hot case.
Accompanying drawing explanation
Referring now to the following drawings, embodiment of the present utility model is described, in the accompanying drawings:
Fig. 1 shows the schematic cross-section of existing balanced type axial flow modulating valve;
Fig. 2 shows the schematic cross-section of the utility model balanced type axial flow modulating valve;
Fig. 3 shows sealing pair partial enlarged drawing embodiment illustrated in fig. 2; And
Fig. 4 shows the schematic diagram of sealing configuration.
Embodiment
As shown in Figure 2, there is shown the balanced type axial flow modulating valve that the utility model proposes, have outer valve 1 and inner valve body 2, outer valve 1 forms traffic ingress 101, forms traffic channel 201, its wall is formed flow window 202 in inner valve body 2; In the utility model, outer valve 1 is arranged to traffic ingress 101 is at right angles arranged with the traffic channel 201 of inner valve body 2, therefore, the flow window 201 that the fluid flowing through traffic ingress 101 can linearly be formed on inner valve body 2 wall and and the traffic channel 201 unhinderedly entered in inner valve body 2.
Balanced type axial flow modulating valve of the present utility model also has mouse cage cylinder 3, and this mouse cage cylinder 3 forms flowexit 301; In the utility model, mouse cage cylinder 3 is arranged to flowexit 301 is alignd in the axial direction with the traffic channel 201 of inner valve body 2.
Balanced type axial flow modulating valve of the present utility model also has valve rod 4, valve rod 4 is through the traffic channel 201 of inner valve body 2, and this valve rod 4 connects piston assembly 5 in one end in its axial direction, its the other end connects a linear drive 6, and the actuator that this drive unit 6 forms modulating valve promotes valve rod 4 with linearly F and does straight reciprocating motion.Drive piston assembly 5 along traffic channel 201 straight line motion of inner valve body 2 because of the straight reciprocating motion of valve rod 4, move between the maximum open position and closed position of window 202, thus change the circulation area that medium flows through window, to realize regulating and controlling function.Such as, as shown in the figure, the position residing for piston assembly 5, at low order end, is closed flowexit 301, and is made valve in the closed position while closedown flow window 201; Otherwise when piston assembly 5 is in high order end, valve reaches peak rate of flow.
By above structure, the utility model provides a kind of balanced type axial flow modulating valve of rectangular shape, and valve body adopts split-type structural, and be made up of outer valve 1 and inner valve body 2, fluid flows through from the ring runner between inside and outside valve body.Further, the traffic ingress 101 that outer valve 1 is formed at right angles is arranged with the traffic channel 201 of inner valve body 2, and the fluid thus flowed into through traffic ingress 101 directly can flow through flow window 201 that inner valve body 2 wall is formed and unhinderedly flow in inner valve body 2.Meanwhile, inner valve body 2 and mouse cage cylinder 3 are axially aligned, and be preferably and axially align coaxially, the sectional area of the flowexit 301 that mouse cage cylinder 3 is formed is identical with the sectional area of the runner channel 201 of inner valve body 2, ensure valve negotiability; And the setting of mouse cage cylinder 3 can adjust flux further.
In the utility model, valve closing member is made up of piston assembly 5, axially does straight reciprocating motion, and change the circulation area of flow window 202, to realize regulating and controlling function at inner valve body along runner channel 201.Especially, in the utility model, adopt linear drive 6 mode that be directly connected coaxial with valve rod 4, when driving piston assembly 5 to-and-fro motion when promoting valve rod 4, the linear of actuator's action can be ensured, and directly driven the straight line motion of piston assembly 5 by the straight line motion of valve rod 4, piston assembly guide-bar mechanism of the prior art can be omitted, save component, improve the accuracy of linearly adjust.Linear drive 6 can select manual, electronic, the mode such as to surge, to meet different adjusting function demands.
As shown in Figure 2, seal with the contact of piston assembly 5 one axle head the primary seal forming valve body at mouse cage cylinder 3 to seal, this place's sealing pair adopts metal sealing, sealing surface is pile-up welding hard alloy such as, with effective antiscour, when fully closed (when piston assembly 5 is in position shown in Fig. 2), the end face of the annular sealing surface of mouse cage cylinder 3 and the piston only 501 of piston assembly 5 is fitted completely, closely cooperate, good seal, ne-leakage boosting phenomenon.Preferably, shape metallic leak-proof structure is adopted at primary seal place in the utility model, actuator in conjunction with linear drives drives piston assembly 5 and by the guiding of mouse cage cylinder 3, can ensure the straight reciprocating motion of piston assembly 5 in valve body further, thus improves the accuracy of linearly adjust.
Again as shown in Figure 3, sealing station between the traffic channel 201 of piston assembly 5 and inner valve body 2 is the secondary sealing station of valve body, being provided with stuffing box packing 502 in the axial end of piston only 501, such as, is carbon fiber filler, and filler 503 is held in place by bolt 504 by Gland 503.Because bolt 504 is positioned at outside fluid passage, even if therefore bolt 504 accidental, also fluid passage can not be fallen into.Especially, as shown in Figure 4, in the utility model, each bolt 504 adopts multistage locking silk 505 to be locked on the axle head of piston only 501, such as, to lock silk 505 two ends interlock, similar circuit safety fuse cutout set-up mode locking, can ensure that bolt can not loosen because of reasons such as valve body operation vibrations further and drop.
More than in conjunction with concrete preferred embodiment, design of the present utility model is explained in detail; but for those of ordinary skills; further modifications and variations in the utility model concept will be self-evident, and these amendments and distortion all fall within the protection domain of appended claims.
Claims (8)
1. a balanced type axial flow modulating valve, comprising:
Outer valve (1) and inner valve body (2), described outer valve (1) forms traffic ingress (101), forms traffic channel (201) and on wall, form flow window (202) in described inner valve body (2);
Mouse cage cylinder (3), described mouse cage cylinder (3) forms flowexit (301);
Valve rod (4), described valve rod (4) axially one end connects piston assembly (5), at its other end connecting drive device (6); Described valve rod (4) drives described piston assembly (5) to do straight reciprocating motion to regulate described flow window (202), and closes the flowexit (301) of mouse cage cylinder (3) while making described flow window (202) in the closed position;
It is characterized in that:
Described outer valve (1) is arranged to described traffic ingress (101) is at right angles arranged with the described traffic channel in described inner valve body (2); Described mouse cage cylinder (3) is arranged to described flowexit (301) is axially aligned with the described traffic channel (201) in described inner valve body (2).
2. a kind of balanced type axial flow modulating valve as claimed in claim 1, is characterized in that, described valve rod (4) is through the described traffic channel (201) of described inner valve body (2).
3. a kind of balanced type axial flow modulating valve as claimed in claim 1 or 2, it is characterized in that, described valve rod (4) axially one end is directly connected with described piston assembly (5), and axially the other end directly connects described drive unit (6).
4. a kind of balanced type axial flow modulating valve as claimed in claim 1, it is characterized in that, the described flowexit (301) of described mouse cage cylinder (4) is with described traffic channel (201) the axial co-axially align in described inner valve body (2) and have identical sectional area.
5. a kind of balanced type axial flow modulating valve as claimed in claim 1, it is characterized in that, described piston assembly (5) comprises piston only (501), one axle head of described piston only (501) is provided with stuffing box packing (502), and described stuffing box packing (503) is held in place by bolt (504) by Gland (503).
6. a kind of balanced type axial flow modulating valve as claimed in claim 5, is characterized in that, described bolt (504) adopts multistage locking silk (505) to be locked on a described axle head of described piston only (501).
7. a kind of balanced type axial flow modulating valve as claimed in claim 6, is characterized in that, the pair forming described modulating valve between the described traffic channel (201) of described stuffing box packing (502) and described inner valve body (2) seals.
8. a kind of balanced type axial flow modulating valve as claimed in claim 5, it is characterized in that, the surface of contact between another axle head of described piston only (501) and the described flowexit (301) of described mouse cage cylinder (3) forms the primary seal of described modulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520797019.3U CN205078810U (en) | 2015-10-15 | 2015-10-15 | Balanced type axial compressor governing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520797019.3U CN205078810U (en) | 2015-10-15 | 2015-10-15 | Balanced type axial compressor governing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205078810U true CN205078810U (en) | 2016-03-09 |
Family
ID=55431220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520797019.3U Active CN205078810U (en) | 2015-10-15 | 2015-10-15 | Balanced type axial compressor governing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205078810U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019206259A1 (en) * | 2018-04-27 | 2019-10-31 | Fisher Jeon Gas Equipment (Chengdu) Co. Ltd. | Regulator |
| US11371621B2 (en) | 2019-01-30 | 2022-06-28 | Fisher Jeon Gas Equipment (Chengdu) Co., Ltd. | Balance structure for a regulator |
-
2015
- 2015-10-15 CN CN201520797019.3U patent/CN205078810U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019206259A1 (en) * | 2018-04-27 | 2019-10-31 | Fisher Jeon Gas Equipment (Chengdu) Co. Ltd. | Regulator |
| US11725745B2 (en) | 2018-04-27 | 2023-08-15 | Fisher Jeon Gas Equipment (Chengdu) Co., Ltd. | Regulator |
| US11828382B2 (en) | 2018-04-27 | 2023-11-28 | Fisher Jeon Gas Equipment (Chengdu) Co., Ltd. | Indicator assembly |
| US11371621B2 (en) | 2019-01-30 | 2022-06-28 | Fisher Jeon Gas Equipment (Chengdu) Co., Ltd. | Balance structure for a regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Zilong Inventor after: Zhang Yaoping Inventor after: Feng Wanping Inventor after: Yang Shunwei Inventor after: Ding Tianwei Inventor before: Zhang Zhimin Inventor before: Huang Rui Inventor before: Yang Shunwei Inventor before: Feng Wanping Inventor before: Wu Haijian |
|
| COR | Change of bibliographic data |