CN104565402A - Valve - Google Patents
Valve Download PDFInfo
- Publication number
- CN104565402A CN104565402A CN201310519223.4A CN201310519223A CN104565402A CN 104565402 A CN104565402 A CN 104565402A CN 201310519223 A CN201310519223 A CN 201310519223A CN 104565402 A CN104565402 A CN 104565402A
- Authority
- CN
- China
- Prior art keywords
- valve
- dust
- ventilated port
- valve body
- axis hole
- 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
- F16K41/00—Spindle sealings
- F16K41/003—Spindle sealings by fluid
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- 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
- F16K1/16—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 with pivoted closure-members
- F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
- F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2268—Sealing means for the axis of rotation
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- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0218—Butterfly valves
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- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
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- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0694—Spindle sealings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Details Of Valves (AREA)
Abstract
The invention provides a valve, and belongs to the technical field of valves. According to the technical scheme, the valve comprises a valve body, a valve shaft, a valve cavity, a sealing mechanism and a shaft hole, wherein the valve shaft is positioned in the valve body; the valve cavity is formed in the valve body; the sealing mechanism is arranged between the valve body and the valve shaft. The valve is characterized by further comprising a dust-proof mechanism, wherein the dust-proof mechanism comprises a vent hole and an air source which is connected with the vent hole; the vent hole is a through hole which is positioned in the valve body and is communicated with the shaft hole. By adopting the valve, the conventional dust-proof mode depending on a dust-proof cover is changed, the valve can be applied to more complex and severe use environments, and dust is prevented and removed effectively; moreover, the cost is low, and a good effect is achieved.
Description
Technical field
The present invention relates to valve field, be specifically related to a kind of valve.
Background technique
On August 11st, 2008, application number is the dust guard disclosed in the patent of invention of 200810021718.3 in a kind of high temperature butterfly valve, comprise: valve body and valve shaft, valve body is fixedly installed dustproof gland, described valve shaft is movably arranged in valve body and dustproof gland, the relative valve shaft of dustproof gland offers the dustproof groove of annular, and the dust-proof catch group be sleeved on valve shaft embeds in dustproof groove, and the front and rear end of dust-proof catch group is resisted against in the front and back walls of dustproof groove respectively; Dust-proof catch freely rotates with valve shaft in dustproof groove.
The valve used in dust pipeline, usually can enter valve shaft because of dust, impurity and cause valve shaft stuck, cannot normally use.For this problem, patent of invention 200810021718.3 mainly adopts the method installing dust cover additional to prevent dust as far as possible, and impurity enters, and there is the problem that protection is tight not.Further, As time goes on, dust cover aging, the loosening grade of sealing all can affect the effect of protection.
Summary of the invention
For above-mentioned existing problem, the object of this invention is to provide a kind of dust-proof better valve.
For reaching above-mentioned technique effect, the technical solution used in the present invention is: a kind of valve, comprise valve body, be positioned at the valve shaft of valve body, the valve pocket of valve body and the sealing mechanism between valve body and valve shaft and cross axis hole, it is characterized in that, described valve also comprises dust-proof mechanism; The source of the gas that described dust-proof mechanism comprises ventilated port and is connected with ventilated port; Described ventilated port is the openings being positioned on valve body and being connected with mistake axis hole.
Further, described dust-proof mechanism also comprises the air drain coordinated with ventilated port; Described air drain radially direct is on valve shaft.
Further, described source of the gas is for providing the air compressor of clean air, and described ventilated port quantity is multiple, is all connected to described source of the gas and crosses axis hole.
Further, described ventilated port is cylindrical openings.
Further, described ventilated port is tapered.
Further, there is screw thread described ventilated port inside.
Further, described air drain is cross section is semicircle closed loop.
Further, described air drain is cross section is del closed loop.
Further, described air drain twist.
The invention has the beneficial effects as follows: by the effect of dust-proof mechanism, produce enough pressure and air-flow makes impurity enter crossing in axis hole, the impurity entered cannot be deposited, the running of available protecting valve shaft, reach good dust-proof, dedusting object.Meanwhile, the normal use of valve can not be affected, and, protected effect continuous and effective.
Accompanying drawing explanation
Fig. 1 is the structural representation of valve of the present invention;
Fig. 2 is the partial schematic diagram of valve part A of the present invention;
Fig. 3 is the partial schematic diagram of valve part B of the present invention;
Fig. 4 is the partial schematic diagram of valve top of the present invention dust removal mechanism;
Fig. 5 is the partial schematic diagram of dust removal mechanism bottom valve of the present invention;
Fig. 6 is specific embodiment 2 structural representation of valve of the present invention;
Fig. 7 is the partial schematic diagram of the C part of the specific embodiment 2 of valve of the present invention;
Fig. 8 is the partial schematic diagram of the D part of the specific embodiment 2 of valve of the present invention;
Fig. 9 is specific embodiment 3 structural representation of valve of the present invention;
Figure 10 is the partial schematic diagram of the E part of valve specific embodiment 3 of the present invention;
Figure 11 is the partial schematic diagram of the F part of valve specific embodiment 3 of the present invention;
Wherein: 1, valve body, 2, valve shaft, 3, valve pocket, 4, sealing mechanism, 41, Gland, 42, stuffing box packing, 43, seal ring, 5, cross axis hole, 6, dust-proof mechanism, 61, ventilated port, 62, air drain, 63, source of the gas, 7, base.
Embodiment
Below in conjunction with accompanying drawing, be that embodiment is described further valve of the present invention with butterfly valve.
Valve body of the present invention, refers to the main body of valve, comprises the outer all structures of valve shaft.
As shown in Fig. 1 to 5, Fig. 1 is the schematic diagram of the first mode of execution of the present invention, the present invention includes valve body 1, is positioned at the valve pocket 3 of the valve shaft 2 of valve body 1, valve body 1, and sealing mechanism 4 between valve body 1 and valve shaft 2 and cross axis hole 5.The present invention also comprises dust-proof mechanism 6, and dust-proof mechanism 6 comprises ventilated port 61, the source of the gas 63 be connected with ventilated port 61.Described ventilated port 61 is openings, is positioned on valve body 1, and is connected with mistake axis hole 5.Described axis hole 5 excessively, is formed jointly by valve shaft 2 and valve body 1.
Source of the gas 63 injects clean air by ventilated port 61 to crossing in axis hole 5, forms certain air pressure.Adjustable pressure, to time to a certain degree, just can stop dust and impurity to enter axis hole 5, effectively reach the object of dust-proof antiscale.Wherein, source of the gas 63 is for providing clean air compressor.
Dust-proof mechanism 6 can also comprise the air drain 62 of radially direct on valve shaft 2, by the pressure of the guiding function of air drain 62 equilibrated axis hole 5 inside.The air pressure that ventilated port 61 produces is directed effectively to ventilated port 61 back side by air drain 62, makes the back side of ventilated port 61 can not introduce impurity not because of air pressure, thus stops entering of impurity better, reach goal of the invention better.
Preferably, when really needing, multiple ventilated port 61 can be opened, reaching goal of the invention better with joint efforts by the source of the gas 63 of several ventilated port 61.
Sealing mechanism 4 comprises Gland 41 and stuffing box packing 42, or seal ring 43, equally, may also be the seal means that other can play similar effect.
Preferably, dust-proof mechanism 6 is mainly arranged on valve pocket more than 3, and at sealing mechanism less than 4, acts on the axis hole 5 excessively that sealing mechanism 4 is formed with valve shaft 2 and valve body 1.
Preferably, dust-proof mechanism 6 can also be arranged on valve pocket less than 3, and at sealing mechanism more than 4, acts on valve shaft 2, and what valve body 1 and sealing mechanism 4 were formed crosses axis hole 5.The dust-proof mechanism 6 being positioned at valve pocket less than 3 can be installed with the dust-proof mechanism 6 of valve pocket more than 3 simultaneously, realizes goal of the invention better and more comprehensively.
Preferably, described ventilated port 61 can be cylindrical openings, also can be tapered structure.Certainly, ventilated port 61 also can be other arbitrary shapes.Cylindrical openings is selected to reduce difficulty of processing, and by source of the gas 63 direct regulation and control internal pressure.Select osculum towards when crossing the taper of axis hole 5, source of the gas 63 entered axis hole 5 through ventilated port 61, can be pressurizeed by the ventilated port 61 of taper.Size, size and the different Environmental Conditions different according to valve, can select different ventilated port 61 shapes.When not needing larger pressure, cylindrical openings can be selected, when needs pressurize, osculum can be selected towards the osculum taper of crossing axis hole 5; When crossing axis hole 5 diameter and being larger, the uncovered uncovered taper towards crossing axis hole 5 can being suitable for, expanding active area and making Diffusion of gas stream even.
Preferably, described ventilated port 61 has screw thread.In ventilated port 61, add screw thread, air-flow can be guided effectively to spread, and produce certain turbulent flow, make Diffusion of gas stream ground faster evenly, a small amount of impurity be attached on valve shaft 2 can be blown afloat simultaneously.
Preferably, air drain 62 can be cross section is semicircle closed loop, also can be cross section is del closed loop.Certainly, air drain 62 also can be other arbitrary shapes.Semicircular structure can guide air-flow better in large quantities, and del structure can guide air-flow quickly, according to the actual required varying environment used, selects different structures.
Preferably, air drain 62 may not be closed loop but twist, better air-flow can be directed to each position by spiral air drain 62.Coordinate different cross sections simultaneously, produce most suitable effect.
Preferably, source of the gas 63 can be, provides the air compressor of clean air, and is connected with ventilated port 61 by pipeline.By regulating the power of air compressor, can air pressure in adjusted axis hole 5, reach suitable pressure to ensure that impurity does not enter in valve pocket 3, ensure the normal operation of valve simultaneously.
Below in conjunction with Fig. 6 to 8, specific embodiments of the invention 2 are described.
The present embodiment is a kind of semispherical valve, and the present embodiment comprises valve body 1, is positioned at the valve pocket 3 of the valve shaft 2 of valve body 1, valve body 1, and sealing mechanism 4 between valve body 1 and valve shaft 2 and cross axis hole 5.The present invention also comprises dust-proof mechanism 6, and dust-proof mechanism 6 comprises ventilated port 61, the source of the gas 63 be connected with ventilated port 61.Described ventilated port 61 is openings, is positioned on valve body 1, and is connected with mistake axis hole 5.Described axis hole 5 excessively, is formed jointly by valve shaft 2 and valve body 1.
Source of the gas 63 injects clean air by ventilated port 61 to crossing in axis hole 5, forms certain air pressure.Adjustable pressure, to time to a certain degree, just can stop dust and impurity to enter axis hole 5, effectively reach the object of dust-proof antiscale.Wherein, source of the gas 63 is for providing clean air compressor.
Dust-proof mechanism 6 can also comprise the air drain 62 of radially direct on valve shaft 2, by the pressure of the guiding function of air drain 62 equilibrated axis hole 5 inside.The air pressure that ventilated port 61 produces is directed effectively to ventilated port 61 back side by air drain 62, makes the back side of ventilated port 61 can not introduce impurity not because of air pressure, thus stops entering of impurity better, reach goal of the invention better.
Sealing mechanism 4 comprises Gland 41 and stuffing box packing 42, or seal ring 43, equally, may also be the seal means that other can play similar effect.
Preferably, dust-proof mechanism 6 is mainly arranged on the left of valve pocket 3, and in the right left side of sealing mechanism 4, acts on the axis hole 5 excessively that sealing mechanism 4 is formed with valve shaft 2 and valve body 1.
Preferably, dust-proof mechanism 6 can also be arranged on the right side of valve pocket 3, and on the left of sealing mechanism 4, acts on valve shaft 2, and what valve body 1 and sealing mechanism 4 were formed crosses axis hole 5.The dust-proof mechanism 6 being positioned at valve pocket less than 3 can be installed with the dust-proof mechanism 6 of valve pocket more than 3 simultaneously, realizes goal of the invention better and more comprehensively.
Below in conjunction with Fig. 9 to 11, specific embodiments of the invention 3 are described.
The present embodiment is a kind of butterfly check valve, and the present embodiment comprises valve body 1, is positioned at the valve pocket 3 of the valve shaft 2 of valve body 1, valve body 1, and sealing mechanism 4 between valve body 1 and valve shaft 2 and cross axis hole 5.The present invention also comprises dust-proof mechanism 6, and dust-proof mechanism 6 comprises ventilated port 61, the source of the gas 63 be connected with ventilated port 61.Described ventilated port 61 is openings, is positioned on valve body 1, and is connected with mistake axis hole 5.Described axis hole 5 excessively, is formed jointly by valve shaft 2 and valve body 1.
Source of the gas 63 injects clean air by ventilated port 61 to crossing in axis hole 5, forms certain air pressure.Adjustable pressure, to time to a certain degree, just can stop dust and impurity to enter axis hole 5, effectively reach the object of dust-proof antiscale.Wherein, source of the gas 63 is for providing clean air compressor.
Dust-proof mechanism 6 can also comprise the air drain 62 of radially direct on valve shaft 2, by the pressure of the guiding function of air drain 62 equilibrated axis hole 5 inside.The air pressure that ventilated port 61 produces is directed effectively to ventilated port 61 back side by air drain 62, makes the back side of ventilated port 61 can not introduce impurity not because of air pressure, thus stops entering of impurity better, reach goal of the invention better.
Sealing mechanism 4 comprises Gland 41 and stuffing box packing 42, or seal ring 43, equally, may also be the seal means that other can play similar effect.
Preferably, dust-proof mechanism 6 is mainly arranged on the left of valve pocket 3, and in the right left side of sealing mechanism 4, acts on the axis hole 5 excessively that sealing mechanism 4 is formed with valve shaft 2 and valve body 1.
Preferably, dust-proof mechanism 6 can also be arranged on the right side of valve pocket 3, and on the left of sealing mechanism 4, acts on valve shaft 2, and what valve body 1 and sealing mechanism 4 were formed crosses axis hole 5.The dust-proof mechanism 6 being positioned at valve pocket less than 3 can be installed with the dust-proof mechanism 6 of valve pocket more than 3 simultaneously, realizes goal of the invention better and more comprehensively.
Be appreciated that the present invention mainly for the improvement of the dust-proof mechanism 6 of valve, be not only applicable to butterfly valve, this structure goes for other valves of dust-proof needs, as taken valve shaft as the valve of rotary type.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (9)
1. a valve, comprises valve body, is positioned at the valve pocket of the valve shaft of valve body, valve body, and sealing mechanism between valve body and valve shaft and cross axis hole, and it is characterized in that, described valve also comprises dust-proof mechanism; The source of the gas that described dust-proof mechanism comprises ventilated port and is connected with ventilated port; Described ventilated port is the openings being positioned on valve body and being connected with mistake axis hole.
2. valve according to claim 1, is characterized in that, described dust-proof mechanism also comprises the air drain coordinated with ventilated port; Described air drain radially direct is on valve shaft.
3. valve according to claim 1, is characterized in that, described source of the gas is for providing the air compressor of clean air, and described ventilated port quantity is multiple, is all connected to described source of the gas and crosses axis hole.
4. valve according to claim 1, is characterized in that, described ventilated port is cylindrical openings.
5. valve according to claim 1, is characterized in that, described ventilated port is tapered.
6. valve according to claim 1, is characterized in that, there is screw thread described ventilated port inside.
7. valve according to claim 2, is characterized in that, described air drain is cross section is semicircle closed loop.
8. valve according to claim 2, is characterized in that, described air drain is cross section is del closed loop.
9. valve according to claim 2, is characterized in that, described air drain twist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310519223.4A CN104565402A (en) | 2013-10-29 | 2013-10-29 | Valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310519223.4A CN104565402A (en) | 2013-10-29 | 2013-10-29 | Valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104565402A true CN104565402A (en) | 2015-04-29 |
Family
ID=53082150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310519223.4A Pending CN104565402A (en) | 2013-10-29 | 2013-10-29 | Valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104565402A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648522A (en) * | 2020-11-05 | 2021-04-13 | 中国航发沈阳发动机研究所 | Pneumatic servo control valve of dustproof aero-engine lubricating system |
| CN114215624A (en) * | 2021-11-29 | 2022-03-22 | 中国航发沈阳发动机研究所 | Oil supply throttling device for cold running of engine and starting before starter is disengaged |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4353388A (en) * | 1979-07-12 | 1982-10-12 | Kubota, Ltd. | Butterfly valve |
| CN201170335Y (en) * | 2008-01-22 | 2008-12-24 | 天津市圣恺工业技术发展有限公司 | Light ceramic gate valve with purging device |
| CN101349352A (en) * | 2008-08-11 | 2009-01-21 | 江苏省鑫通阀门制造有限公司 | Dustproof apparatus in high temperature butterfly valve |
| CN202302054U (en) * | 2011-09-30 | 2012-07-04 | 北京安普能环保工程技术有限公司 | Ahs discharge and conveying valve of gas dust removal system of blast furnace |
| CN203067800U (en) * | 2013-02-06 | 2013-07-17 | 鞍山亨通阀门有限公司 | Sealing device for negative-pressure butterfly valve for recovering converter gas |
| CN203516777U (en) * | 2013-10-29 | 2014-04-02 | 安徽红星阀门有限公司 | Valve |
-
2013
- 2013-10-29 CN CN201310519223.4A patent/CN104565402A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4353388A (en) * | 1979-07-12 | 1982-10-12 | Kubota, Ltd. | Butterfly valve |
| CN201170335Y (en) * | 2008-01-22 | 2008-12-24 | 天津市圣恺工业技术发展有限公司 | Light ceramic gate valve with purging device |
| CN101349352A (en) * | 2008-08-11 | 2009-01-21 | 江苏省鑫通阀门制造有限公司 | Dustproof apparatus in high temperature butterfly valve |
| CN202302054U (en) * | 2011-09-30 | 2012-07-04 | 北京安普能环保工程技术有限公司 | Ahs discharge and conveying valve of gas dust removal system of blast furnace |
| CN203067800U (en) * | 2013-02-06 | 2013-07-17 | 鞍山亨通阀门有限公司 | Sealing device for negative-pressure butterfly valve for recovering converter gas |
| CN203516777U (en) * | 2013-10-29 | 2014-04-02 | 安徽红星阀门有限公司 | Valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648522A (en) * | 2020-11-05 | 2021-04-13 | 中国航发沈阳发动机研究所 | Pneumatic servo control valve of dustproof aero-engine lubricating system |
| CN114215624A (en) * | 2021-11-29 | 2022-03-22 | 中国航发沈阳发动机研究所 | Oil supply throttling device for cold running of engine and starting before starter is disengaged |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |
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| WD01 | Invention patent application deemed withdrawn after publication |