CN106286916B - A kind of valveless shape valve stem valve - Google Patents
A kind of valveless shape valve stem valve Download PDFInfo
- Publication number
- CN106286916B CN106286916B CN201610792564.2A CN201610792564A CN106286916B CN 106286916 B CN106286916 B CN 106286916B CN 201610792564 A CN201610792564 A CN 201610792564A CN 106286916 B CN106286916 B CN 106286916B
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- Prior art keywords
- valve
- spool
- valveless
- medium
- protrusion
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- 238000000926 separation method Methods 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 238000002955 isolation Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000000945 filler Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0446—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces
- F16K17/046—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces the valve being of the gate valve type or the sliding valve type
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a kind of valveless shape valve stem valves, are related to valve technology field, comprising: valve body is axially arranged with valve opening;Spool is axially displaceably arranged in valve opening, and including the insert body with hollow structure, hollow structure and valve opening together constitute with circulation medium channel;Valve deck, closing are set to the circulation medium outlet side of valve body, have the sealing pair cooperatively formed with the end face of the circulation medium outlet end of insert body;Insert body forms radial flange;Valve further includes that the separation sleeve for being set in radial flange on the outside of the insert body of circulation medium inlet side, separation sleeve and radial flange are equipped with the driving medium pressure chamber for driving flow of media radially extended between circulation medium inlet side surface;The driving medium inlet and outlet being connected to driving medium pressure chamber is formed on valve body.The inlet and outlet direction of the movable direction of spool and medium in the same direction so that valve is minimized.
Description
Technical field
The present invention relates to a kind of valveless shape valve stem valves, belong to valve technology field.
Background technique
Valve rod is valve important component, and for being driven, one end connection executing agency or handle, the other end directly drive valve
Core is mobile or rotates, to realize valve switch or adjustment effect.Valve rod not still movement parts, stress during valve opening and closing
Part, and be sealing element, its impact and corrosion by medium, also generates friction with filler.In the long-term use process of valve
In, rotating frequently or moving along a straight line filler is caused to wear because of valve rod makes the decline of valve stem packing sealing performance even result in filler
System sealing failure is revealed or is failed in case of filling system especially for the media such as toxic, inflammable and explosive, will lead to weight
Major break down.
Chinese patent literature CN103836220A discloses a kind of self-sealing slide valve, including valve body, and valve body is equipped at least
One valve opening vertical with flow of media direction, the interior sliding of each valve opening are equipped with a spool, and the spool includes at least one
Convex shoulder, the outer wall of convex shoulder and the inner wall of valve opening, which cooperate, to be sealed, and the two sides of valve body are respectively equipped with the entrance for leading to valve opening and outlet;
When spool slide into convex shoulder and the entrance of valve body and outlet to it is corresponding when valve body close, conversely, valve body conducting.
The above-mentioned prior art, although regulating switch can be cooperated to realize valve valveless by external fluid transformation and spring
The purpose of bar adjusting spool movement, but since it must provide enough spaces for spool in the vertical direction of flow of media
Mobile to use, the size that certainly will will cause valve in the vertical direction of flow of media greatly increases, this with valve for being minimized
For the current market situation of development trend, the optimal case that valve is operated without valve rod is not solved.
Summary of the invention
Therefore, the purpose of the present invention is to provide a kind of valveless shape valve stem valves, are being situated between with solving the valveless shape valve stem valve of the prior art
Larger-size problem in the logical vertical direction of mass flow.
A kind of valveless shape valve stem valve provided by the invention, comprising:
Valve body is axially arranged with valve opening;
Spool is axially displaceably arranged in the valve opening, described hollow including the insert body with hollow structure
Structure and the valve opening together constitute with circulation medium channel;
Valve deck, closing are set to the circulation medium outlet side of the valve body, have the circulation medium with the insert body
The sealing pair that the end face of outlet end cooperatively forms;
The insert body forms radial flange;The valve further includes being set in the radial flange to circulate backwards Jie
Separation sleeve on the outside of the insert body of matter inlet side, the separation sleeve and the radial flange are backwards to circulation medium inlet side
The driving medium pressure chamber for driving flow of media radially extended is equipped between surface;Formed on the valve body with it is described
Drive the driving medium inlet and outlet of medium pressure chamber connection.
Preferably, the valve body has circumferential radially inward protrusion in the medium inlet side of valve, is isolated with described
Set mating reaction is for limiting shift motion of the spool in valve opening.
Preferably, further include being set to the protrusion with the spool close to several elastic components of medium inlet side, be used for
The driving medium pressure chamber is resisted to the pressure of the spool.
Preferably, the elastic component is helical spring;Several described elastic components are along the valve body center symmetric setting.
Preferably, formed on the separation sleeve several segments it is radially perforative, for the driving medium inlet and outlet,
The driving medium runner of the driving medium pressure chamber connection;The driving medium runner is in the separation sleeve circumferential direction
Interruption setting.
Preferably, except the driving medium inlet and outlet, driving medium runner handover everywhere, the outer wall of the spool is tight
It is affixed on the inner wall of the separation sleeve;The outer wall of the separation sleeve is tightly attached to the inner wall of the valve body.
Preferably, between the separation sleeve and valve body, between spool be close to sealing ring is arranged on face.
Preferably, the seal receptacle for forming sealing pair with the spool is formed in the valve deck.
Preferably, the valve deck and the valve body are realized by screw thread connects.
The present invention has the advantage that compared with the existing technology
1. valveless shape valve stem valve provided by the invention, comprising: valve body is axially arranged with valve opening;Spool is movably disposed at institute
It states in valve opening, including the insert body with hollow structure, the hollow structure and the valve opening together constitute with circulation medium and lead to
Road;Valve deck, closing are set to the circulation medium outlet side of the valve body, have the circulation medium outlet end with the insert body
The sealing pair that cooperatively forms of end face;The insert body forms radial flange;The valve further includes being set in the diameter
To separation sleeve of the flange on the outside of the insert body of circulation medium inlet side, the separation sleeve and the radial flange are backwards
The driving medium pressure chamber for driving flow of media radially extended is equipped between circulation medium inlet side surface;The valve
The driving medium inlet and outlet being connected to the driving medium pressure chamber is formed on body.Reach default when driving medium pressure is intracavitary
Pressure when, spool is mobile to the direction far from valve deck, the conducting of media outlet end, so that medium flows in valve opening from medium inlet
To media outlet.Wherein, the inlet and outlet direction of the movable direction of spool and medium in the same direction so that valve exists
The vertical direction size of flow of media not will increase, so that valve is minimized.
2. valveless shape valve stem valve provided by the invention, the valve body the medium inlet side of valve have it is circumferential it is it is radial to
Interior protrusion, with the separation sleeve mating reaction for limiting shift motion of the spool in valve opening, to limit Jie
Matter exports adjustable size, so that valveless shape valve stem valve provided by the invention can be used for adjusting the rate-of flow by valve.
3. valveless shape valve stem valve provided by the invention further includes being set to the protrusion with the spool close to medium inlet side
Several elastic components, for resisting the driving medium pressure chamber to the pressure of the spool.When the pressure of driving medium pressure chamber
When power reaches preset value, the elastic component is compressed, so that spool is mobile to the direction far from valve deck, media outlet conducting, valve
Door is opened;When driving the pressure of medium pressure chamber to be lower than preset value, the elastic component of accumulation of energy generates spool to the shifting of valve deck direction
Dynamic trend, media outlet sealing, valve are closed.Spool moves under the control of elastic component and driving medium pressure cavity pressure
And make valve on and off.
4. valveless shape valve stem valve provided by the invention, the elastic component is helical spring;Several described elastic components are described in
Valve body center symmetric setting, so that elastic component is uniformly arranged the active force of the spool along its axial direction.
5. valveless shape valve stem valve provided by the invention, except the driving medium inlet and outlet, driving medium runner junction,
The outer wall of the spool is tightly attached to the inner wall of the separation sleeve;The outer wall of the separation sleeve is tightly attached to the inner wall of the valve body, from
And it is effectively isolated driving medium and utilizes separation sleeve when the two is the non-equal medium that can not be merged by the medium of valve opening
It can prevent driving medium from mixing with by the medium of valve opening.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is structural schematic diagram when valveless shape valve stem valve of the invention is closed;
Structural schematic diagram when Fig. 2 is valveless shape valve stem valve conducting of the invention.
Appended drawing reference: 10- valve body;11- drives medium inlet and outlet;20- elastic component;
30- sealing ring;40- spool;41- drives medium pressure chamber;50- separation sleeve;
51- drives medium runner;60- screw;70- valve deck;71- seal receptacle.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
A kind of valveless shape valve stem valve provided in this embodiment, as shown in Figure 1, comprising:
Valve body 10, is axially arranged with valve opening;
Spool 40 is movably disposed in the valve opening, described hollow including 40 ontology of spool with hollow structure
Structure and the valve opening together constitute with circulation medium channel;
Valve deck 70, closing are set to the circulation medium outlet side of the valve body 10, have the stream with 40 ontology of spool
The sealing pair that the end face at logical media outlet end cooperatively forms;
40 ontology of spool forms radial flange;The valve further includes being set in the radial flange backwards to circulation
The separation sleeve 50 of 40 outer body of spool of medium inlet side, the separation sleeve 50 and the radial flange circulate Jie backwards
The driving medium pressure chamber 41 for driving flow of media radially extended is equipped between matter inlet side surface;The valve body 10
On form and the driving medium inlet and outlet 11 that is connected to of driving medium pressure chamber 41.
In above-described embodiment, when reaching preset pressure in driving medium pressure chamber 41, spool 40 is to far from valve deck 70
Direction it is mobile, media outlet end conducting, so that medium flows to media outlet from medium inlet in valve opening.Wherein, spool 40
Movable direction and medium inlet and outlet direction in the same direction so that vertical direction ruler of the valve in flow of media
It is very little not will increase, so that valve is minimized.
The valve body 10 has circumferential radially inward protrusion in the medium inlet side of valve, matches with the separation sleeve 50
Cooperation is made with for limiting shift motion of the spool 40 in valve opening to limit the adjustable size of media outlet
Obtaining valveless shape valve stem valve provided by the embodiment can be used for adjusting the rate-of flow by valve.
The valveless shape valve stem valve of the present embodiment further includes being set to the protrusion with the spool 40 close to medium inlet side
Several elastic components 20, for resisting the driving medium pressure chamber 41 to the pressure of the spool 40.When driving medium pressure chamber
When 41 pressure reaches preset value, the elastic component 20 is compressed, so that spool 40 is mobile to the direction far from valve deck 70, medium
Outlet conducting, valve are opened;When driving the pressure of medium pressure chamber 41 to be lower than preset value, the elastic component 20 of accumulation of energy makes spool 40
The trend mobile to 70 direction of valve deck, media outlet sealing are generated, valve is closed.Spool 10 is applied in elastic component 20 and driving medium
Pressure chamber 41 in pressure control under movement and make valve on and off.
Optionally, several described elastic components 20 are along 10 center symmetric setting of valve body, so that elastic component 20 is to described
The active force of spool 40 is uniformly arranged along its axial direction.
Optionally, formed on the separation sleeve 50 several segments it is radially perforative, be used for and the driving medium disengaging
The driving medium runner 51 that mouth 11, the driving medium pressure chamber 41 are connected to, so that valve body 10 had both been isolated in separation sleeve 50
With spool 40, and the driving medium that form driving medium inlet and outlet 11 on valve body 10 can with separation sleeve 50 and radial flange
Pressure chamber 41 can be connected to.Drive medium that can enter driving after medium runner 51 of being overdrived from driving medium inlet and outlet 11
Medium pressure chamber 41, and then increase the pressure in driving medium pressure chamber 41.Similarly, the driving in driving medium pressure chamber 41 is situated between
Matter can be overdrived after medium runner 51, be discharged from driving medium inlet and outlet 11, and then be reduced in driving medium pressure chamber 41
Pressure.Driving medium runner 51 is interrupted setting in 50 circumferential direction of separation sleeve, so that it is guaranteed that separation sleeve is still structure as a whole.
As shown in Figure 1 and Figure 2, except the driving medium inlet and outlet 11, driving 51 junction of medium runner, the valve
The outer wall of core 40 is tightly attached to the inner wall of the separation sleeve 50;The outer wall of the separation sleeve 50 is tightly attached to the inner wall of the valve body 10,
To be effectively isolated driving medium and utilize isolation when the two is the non-equal medium that can not be merged by the medium of valve opening
Set 50 can prevent driving medium from mixing with by the medium of valve opening.
Being close between the separation sleeve 50 and valve body 10, between spool 40 sealing ring 30 is arranged on face, to have
Imitate isolation drive medium and the medium by valve opening.
The seal receptacle 71 for forming sealing pair with the spool 40 is formed in the valve deck 70.
The valve deck 70, which is realized with the valve body 10 by screw 60, to be connected.
In the present embodiment, the driving medium can be using extraneous hydraulic system, pressure control machine, air compressor etc..
As shown in Figure 2, the pointing direction of arrow is the flow direction that medium passes through valve opening in valve.Wherein in Fig. 2
Top is the medium inlet of valve, and lower part is the media outlet of valve.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.
For those of ordinary skill in the art, other various forms of variations can also be made on the basis of the above description
Or it changes.There is no necessity and possibility to exhaust all the enbodiments.And obvious variation extended from this
Or it changes still within the protection scope of the invention.
Claims (9)
1. a kind of valveless shape valve stem valve, comprising:
Valve body (10), is axially arranged with valve opening;The valve body (10) has circumferential radially inward in the medium inlet side of valve
Protrusion;
Spool (40), is axially displaceably arranged in the valve opening, described hollow including the insert body with hollow structure
Structure and the valve opening together constitute with circulation medium channel;The insert body forms oriented on the outer wall far from media outlet side
The radial flange of evagination;
Valve deck (70), closing are set to the circulation medium outlet side of the valve body (10), have the circulation with the insert body
The sealing pair that the end face at media outlet end cooperatively forms;
It is characterized in that, the valve further includes
Sealing is set in the separation sleeve (50) on the outside of the insert body, and the axial ends of the separation sleeve is closely connected to respectively
On the inner wall of the protrusion and the valve deck;The separation sleeve has radially-inwardly convex on the inner wall of media outlet side
Protrusion;The radial flange is opposite with the protrusion in the axial direction of valve body;
The protrusion and the radial flange are in circulation medium inlet side surface, insert body outside wall surface and separation sleeve
The driving medium for driving flow of media radially extended is surrounded between wall surface presses chamber (41);It is formed on the valve body (10)
Have driving medium inlet and outlet (11), the separation sleeve be equipped with by driving medium pressure chamber (41) and the driving medium into
At least one driving medium runner (51) of outlet.
2. valveless shape valve stem valve according to claim 1, which is characterized in that the protrusion and the protrusion are opposite, described
The radial flange of insert body is located between the protrusion and the protrusion;
In the case where the protrusion cooperates with the protrusion, for limiting shift motion of the spool (40) in valve opening.
3. valveless shape valve stem valve according to claim 2, which is characterized in that further include being set to the protrusion and the spool
(40) close to several elastic components (20) of medium inlet side, for resisting driving medium pressure chamber (41) to the spool
(40) pressure.
4. valveless shape valve stem valve according to claim 3, which is characterized in that the elastic component (20) is helical spring;It is several
A elastic component (20) is along the valve body (10) center symmetric setting.
5. valveless shape valve stem valve according to claim 1 to 4, which is characterized in that driving medium runner (51) is several
Section, all driving medium runners (51) are interrupted setting in the separation sleeve (50) circumferential direction.
6. valveless shape valve stem valve according to claim 5, which is characterized in that in the driving medium inlet and outlet (11), driving
Except medium runner (51) junction, the outer wall of the spool (40) is tightly attached to the inner wall of the separation sleeve (50);The isolation
The outer wall of set (50) is tightly attached to the inner wall of the valve body (10).
7. valveless shape valve stem valve according to claim 6, which is characterized in that between the separation sleeve (50) and valve body (10),
It is close to be arranged with sealing ring (30) on face between spool (40).
8. valveless shape valve stem valve according to claim 1 to 4, which is characterized in that form and be used in the valve deck (70)
The seal receptacle (71) of sealing pair is formed with the spool (40).
9. valveless shape valve stem valve according to claim 1 to 4, which is characterized in that the valve deck (70) and the valve body
(10) connection is realized by screw (60).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610792564.2A CN106286916B (en) | 2016-08-31 | 2016-08-31 | A kind of valveless shape valve stem valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610792564.2A CN106286916B (en) | 2016-08-31 | 2016-08-31 | A kind of valveless shape valve stem valve |
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CN106286916A CN106286916A (en) | 2017-01-04 |
CN106286916B true CN106286916B (en) | 2019-09-24 |
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CN201610792564.2A Active CN106286916B (en) | 2016-08-31 | 2016-08-31 | A kind of valveless shape valve stem valve |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2519026A1 (en) * | 1974-05-17 | 1975-11-27 | Hoerbiger Ventilwerke Ag | PRESSURE RELIEF VALVE |
DE3313924A1 (en) * | 1982-11-23 | 1984-10-25 | Otto Tuchenhagen GmbH & Co KG, 2059 Büchen | Device for the remote-controlled lifting of the valve stem of an overflow or safety valve |
CN201513569U (en) * | 2009-10-23 | 2010-06-23 | 常州乙顿液压气动机械制造有限公司 | Large-diameter normal open hydraulic control stop valve |
CN104633176A (en) * | 2015-02-12 | 2015-05-20 | 无锡卓尔阀业有限公司 | Self-operated attemperator |
CN104776254A (en) * | 2015-03-27 | 2015-07-15 | 快达消防科技有限公司 | Differential type exhaust valve |
CN105276269A (en) * | 2015-11-02 | 2016-01-27 | 艾赛孚消防科技(天津)有限公司 | Selector valve used for inert gas fire extinguishing system |
-
2016
- 2016-08-31 CN CN201610792564.2A patent/CN106286916B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2519026A1 (en) * | 1974-05-17 | 1975-11-27 | Hoerbiger Ventilwerke Ag | PRESSURE RELIEF VALVE |
DE3313924A1 (en) * | 1982-11-23 | 1984-10-25 | Otto Tuchenhagen GmbH & Co KG, 2059 Büchen | Device for the remote-controlled lifting of the valve stem of an overflow or safety valve |
CN201513569U (en) * | 2009-10-23 | 2010-06-23 | 常州乙顿液压气动机械制造有限公司 | Large-diameter normal open hydraulic control stop valve |
CN104633176A (en) * | 2015-02-12 | 2015-05-20 | 无锡卓尔阀业有限公司 | Self-operated attemperator |
CN104776254A (en) * | 2015-03-27 | 2015-07-15 | 快达消防科技有限公司 | Differential type exhaust valve |
CN105276269A (en) * | 2015-11-02 | 2016-01-27 | 艾赛孚消防科技(天津)有限公司 | Selector valve used for inert gas fire extinguishing system |
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Denomination of invention: A valve without a stem Effective date of registration: 20231205 Granted publication date: 20190924 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yueqing branch Pledgor: SHENJIANG VALVE Co.,Ltd. Registration number: Y2023980069401 |
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