CN106402405A - Valve sealing device - Google Patents
Valve sealing device Download PDFInfo
- Publication number
- CN106402405A CN106402405A CN201611057469.4A CN201611057469A CN106402405A CN 106402405 A CN106402405 A CN 106402405A CN 201611057469 A CN201611057469 A CN 201611057469A CN 106402405 A CN106402405 A CN 106402405A
- Authority
- CN
- China
- Prior art keywords
- valve
- seal
- sealing device
- valve rod
- sealing
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/52—Means for additional adjustment of the rate of flow
- F16K1/526—Means for additional adjustment of the rate of flow for limiting the maximum flow rate, using a second valve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Details Of Valves (AREA)
Abstract
The invention relates to a valve sealing device. The valve sealing device comprises a base, a valve casing, a valve rod, a handle, a valve element, an inlet pipeline, an outlet channel and a stretchable connecting piece, wherein the valve rod is arranged in the valve casing in a sleeved mode, the handle is arranged at the top of the valve rod, the stretchable connecting piece is arranged at the upper end of the valve rod, the valve element is connected with the valve rod through the stretchable connecting piece, and a sealing device body is arranged at the lower end of the valve rod; the sealing device body comprises a first sealing piece, a second sealing piece, a linkage shaft and a fixed shaft, the linkage shaft is connected with the valve rod through the fixed shaft, the first sealing piece is arranged on the linkage shaft, the second sealing piece is arranged on the fixed shaft, the first sealing piece is provided with clamping grooves and stretchable elements; and flow holes are formed in the first sealing piece and the second sealing piece correspondingly. The valve sealing device is simple in structure, safe, reliable, convenient to use, and low in cost.
Description
Technical field
The present invention relates to a kind of valve sealing device, belong to valve mechanism design field.
Background technology
Valve is the control parts in fluid delivery system, has and blocks, adjusts, flowing backwards, preventing adverse current, voltage stabilizing.Shunting
Or the function such as overflow pressure relief.For the valve of fluid control systems, from simplest stop valve to extremely complex robot control system(RCS)
Middle various valves used, its kind and specification are quite various, and valve can be in controlling empty gas and water, steam, various corrosivity to be situated between
The flowing of all kinds fluid such as matter, mud, oil product, liquid metal and radiating medium.
Valve is a kind of general engineering goods, various in style, applied range, on the one hand, valve is in whole work clothes
Put with system in play vital effect, on the other hand, the inefficacy of valve can lead to system, equipment cannot normal work,
This requires that valve must have high reliability, and corresponding reliability consideration has very important work in valve research
With.At present in the research field of valve, sealing problem, vibration, noise problem and reliability test problem are Jiao of concern
Point is also difficult point.Prior art is improved to the sealing problem of valve, but the sealing problem of valve solution not yet in effect
Certainly.
Content of the invention
The present invention is directed to the deficiencies in the prior art, there is provided a kind of valve sealing device, to solve prior art
In
The problem existing.
For achieving the above object, the technical solution used in the present invention is as follows：
A kind of valve sealing device it is characterised in that：Logical including base, valve casing, valve rod, handle, valve element, inlet pipeline, outlet
Road and retractility connector, described valve rod is set in valve casing, and described valve stem top is provided with handle, and described valve rod upper end is provided with
Retractility connector, described valve element is connected with valve rod by retractility connector, and described valve rod lower end is provided with sealing device, described
Sealing device includes first seal, second seal, universal driving shaft and fixing axle, and described universal driving shaft passes through fixing axle and valve rod
It is connected, described universal driving shaft is provided with first seal, and described fixing axle is provided with second seal, and described first seal sets
There are draw-in groove and telescoping components, described first seal and second seal are equipped with metering orifice.
As a modification of the present invention, described second seal is provided with rotation track.
As a modification of the present invention, between described first seal and second seal, it is provided with O-ring.
As a modification of the present invention, described valve element lower end is provided with anti-extrusion pad.
Due to employing above technology, the present invention compared with the prior art, has the advantage that as follows：
The present invention is provided with double-layer seal equipment, can strengthen the sealing of valve, effectively prevents valve from rushing down leakage, extends valve
Service life；The present invention is provided with double-deck Flow-rate adjustment controller, can need to be adjusted according to different flows, can meet
The traffic requirement of different sizes；In the present invention, first seal is provided with draw-in groove and telescoping components, can adjust seal
Whole to suitable position, such that it is able to fixing seals well；Set between first seal and second seal in the present invention
There is O-ring, it is possible to reduce the abrasion producing because of pivoting friction between seal, reduce the damage to seal, extend sealing
The service life of part.
Brief description
Fig. 1 is the structural representation of valve sealing device；
Fig. 2 is the structural representation of sealing device；
Fig. 3 is the structural representation of first seal；
Fig. 4 is the structural representation of second seal；
In figure：1st, base, 2, valve casing, 3, valve rod, 4, handle, 5, valve element, 6, inlet pipeline, 7, exit passageway, 8, retractility even
Fitting, 9, first seal, 10, second seal, 11, universal driving shaft, 12, fixing axle, 13, draw-in groove, 14, telescoping components, 15,
Rotation track, 16, O-ring, 17, anti-extrusion pad, 18, first-class metering-orifice, 19, second metering-orifice.
Specific embodiment
With reference to the accompanying drawings and detailed description, it is further elucidated with the present invention.
Visible in conjunction with accompanying drawing, a kind of valve sealing device, including base 1, valve casing 2, valve rod 3, handle 4, valve element 5, import
Pipeline 6, exit passageway 7 and retractility connector 8, described valve rod 3 is set in valve casing 2, and described valve rod 3 top is provided with handle
4, described valve rod 3 upper end is provided with retractility connector 8, and described valve element 5 is connected with valve rod 3 by retractility connector 8, described valve
Bar 3 lower end is provided with sealing device, and described sealing device includes first seal 9, second seal 10, universal driving shaft 11 and fixes
Axle 12, described universal driving shaft 11 is connected with valve rod 3 by fixing axle 12, and described universal driving shaft 11 is provided with first seal 9, described solid
Dead axle 12 is provided with second seal 10, and described first seal 9 is provided with draw-in groove 13 and telescoping components 14, and described first is close
It is equipped with metering orifice on sealing 9 and second seal 10.
Described second seal 10 is provided with rotation track 15.
It is provided with O-ring 16 between described first seal 9 and second seal 10.
Described valve element 5 lower end is provided with anti-extrusion pad 17.
The job step of the present invention is as follows：
Start valve sealing device, when needing to adjust flow, turning handle 4, the retractility connector 8 of valve rod 3 upper end drives
Valve element 5 moves up, and fluid enters valve from inlet pipeline 6, and universal driving shaft 11 drives first seal 9 along second seal 10
On rotation track 15 start to rotate, and to second on the first-class metering-orifice 18 and second seal 10 in first seal 9
Position between metering orifice 19 is adjusted, according to necessary flow size between first-class metering-orifice 18 and second metering-orifice 19
The size staggering is adjusted, and telescoping components 14 go in corresponding draw-in groove 13 with the motion of first seal 9, fluid warp
Cross first seal 9 and second seal 10 flows into exit passageway 7.
When closing valve, turning handle 4, first close sealing device, sealing device is in the state shown in Fig. 2, will
The second metering-orifice 19 on first-class metering-orifice 18 and second seal 10 in first seal 9 mutually staggers, anti-fluid flow
Enter, the retractility connector 8 band movable valve plug 5 of valve rod 3 upper end moves down, and valve element 5 is connected with base 1, and valve element 5 lower end is provided with anti-
Extruding pad 17, can make valve element 5 be connected with base 1, be prevented effectively from and make fluid stream because of gap between valve element 5 and base 1
Go out.
When anti-extrusion pad 17 can also avoid because of people's closing valve tension, valve element 5 is subject to because closing tension with base 1
Extruding.
It is provided with O-ring 16, it is possible to reduce first seal 9 and second is close between first seal 9 and second seal 10
The abrasion that sealing 10 produces because of rotation, extends the service life of seal.
Above-described embodiment is only the preferred technical solution of the present invention, and is not construed as the restriction for the present invention, the present invention
Protection domain should with claim record technical scheme, include claim record technical scheme in technical characteristic etc.
It is protection domain with alternative, that is, equivalent within this range is improved, also within protection scope of the present invention.
Claims (4)
1. a kind of valve sealing device it is characterised in that：Including base, valve casing, valve rod, handle, valve element, inlet pipeline, outlet
Passage and retractility connector, described valve rod is set in valve casing, and described valve stem top is provided with handle, and described valve rod upper end sets
There is retractility connector, described valve element is connected with valve rod by retractility connector, described valve rod lower end is provided with sealing device, institute
State sealing device and include first seal, second seal, universal driving shaft and fixing axle, described universal driving shaft passes through fixing axle and valve
Bar is connected, and described universal driving shaft is provided with first seal, and described fixing axle is provided with second seal, in described first seal
It is provided with draw-in groove and telescoping components, described first seal and second seal are equipped with metering orifice.
2. a kind of valve sealing device according to claim 1 it is characterised in that：Described second seal is provided with rotation
Track.
3. a kind of valve sealing device according to claim 1 it is characterised in that：Described first seal and the second sealing
It is provided with O-ring between part.
4. a kind of valve sealing device according to claim 1 it is characterised in that：Described valve element lower end is provided with anti-extrusion pad
Piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611057469.4A CN106402405A (en) | 2016-11-26 | 2016-11-26 | Valve sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611057469.4A CN106402405A (en) | 2016-11-26 | 2016-11-26 | Valve sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106402405A true CN106402405A (en) | 2017-02-15 |
Family
ID=58082681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611057469.4A Pending CN106402405A (en) | 2016-11-26 | 2016-11-26 | Valve sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106402405A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664656A (en) * | 2020-11-23 | 2021-04-16 | 胡天文 | Control valve with double-sealing structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2272087Y (en) * | 1996-08-23 | 1998-01-07 | 史以侠 | Low-pressure angle valve |
| CN2578639Y (en) * | 2002-11-11 | 2003-10-08 | 建湖县鸿达阀门管件有限公司 | Regulatable orifice throttle valves |
| US20050151107A1 (en) * | 2003-12-29 | 2005-07-14 | Jianchao Shu | Fluid control system and stem joint |
| CN1671983A (en) * | 2002-05-23 | 2005-09-21 | 弗利亚特克公司 | Shut-off fitting |
| CN2752556Y (en) * | 2004-11-19 | 2006-01-18 | 屠建国 | Moving pressure container valve |
| CN101858442A (en) * | 2009-04-08 | 2010-10-13 | 上海华电阀门集团有限公司 | Guiding mechanism of valve rod |
| CN105422977A (en) * | 2014-09-03 | 2016-03-23 | 天津市卡尔斯阀门有限公司 | Detachable valve |
-
2016
- 2016-11-26 CN CN201611057469.4A patent/CN106402405A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2272087Y (en) * | 1996-08-23 | 1998-01-07 | 史以侠 | Low-pressure angle valve |
| CN1671983A (en) * | 2002-05-23 | 2005-09-21 | 弗利亚特克公司 | Shut-off fitting |
| CN2578639Y (en) * | 2002-11-11 | 2003-10-08 | 建湖县鸿达阀门管件有限公司 | Regulatable orifice throttle valves |
| US20050151107A1 (en) * | 2003-12-29 | 2005-07-14 | Jianchao Shu | Fluid control system and stem joint |
| CN2752556Y (en) * | 2004-11-19 | 2006-01-18 | 屠建国 | Moving pressure container valve |
| CN101858442A (en) * | 2009-04-08 | 2010-10-13 | 上海华电阀门集团有限公司 | Guiding mechanism of valve rod |
| CN105422977A (en) * | 2014-09-03 | 2016-03-23 | 天津市卡尔斯阀门有限公司 | Detachable valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664656A (en) * | 2020-11-23 | 2021-04-16 | 胡天文 | Control valve with double-sealing structure |
| CN112664656B (en) * | 2020-11-23 | 2023-09-19 | 任县双雄密封件有限公司 | Control valve with double sealing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |
|
| RJ01 | Rejection of invention patent application after publication |