CN105805337A - Vacuum switching valve - Google Patents
Vacuum switching valve Download PDFInfo
- Publication number
- CN105805337A CN105805337A CN201610286421.4A CN201610286421A CN105805337A CN 105805337 A CN105805337 A CN 105805337A CN 201610286421 A CN201610286421 A CN 201610286421A CN 105805337 A CN105805337 A CN 105805337A
- Authority
- CN
- China
- Prior art keywords
- valve body
- ball sealer
- hole
- vacuum switch
- switch valve
- 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
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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
- F16K5/0647—Spindles or actuating means
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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
- F16K5/08—Details
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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
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
- F16K51/02—Other details not peculiar to particular types of valves or cut-off apparatus specially adapted for high-vacuum installations
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to a vacuum switching valve. The vacuum switching valve comprises a valve body, a sealing ball and a rotating mechanism; the valve body is provided with an external air inlet hole and a valve body containing cavity; the external air inlet hole enables the valve body containing cavity and the exterior to be communicated; the sealing ball is contained in the valve body containing cavity, and a through hole capable of being communicated with the valve body containing cavity is formed in the sealing ball; an internal air inlet hole communicated with the through hole is further formed in the sealing ball; the rotating mechanism penetrates the valve body to be connected with the sealing ball; and when the rotating mechanism drives the sealing ball to rotate in the valve body containing cavity, the internal air inlet hole and the external air inlet hole are communicated or not communicated, and the vacuum switching valve is closed or opened. An execution element can be subject to vacuum environment adjustment or is stopped from being subject to vacuum environment adjustment only through one-time adjustment of the vacuum switching valve, the operation program is simplified, and operation efficiency is improved.
Description
Technical field
The present invention relates to valve technology field, particularly relate to a kind of vacuum switch valve.
Background technology
Vacuum switch valve has extremely wide application at each production field, in execution original paper, vacuum is produced by vacuum pump, general, two two-way switch valves are installed between executive component and vacuum pump, one of them switch valve B is arranged between vacuum pump and executive component, is used for connecting executive component and vacuum pump；Another one switch valve A is arranged between executive component and switch valve B, for cutting off or close the connection of executive component and ambient atmosphere.Opening switch valve B and simultaneously close off switch valve A, executive component produces vacuum environment；Closing switch valve B also opens switch valve A simultaneously, and executive component connects with ambient atmosphere, and executive component stops vacuum environment.
But so causing that switch valve consumption increases, the operating process that executive component produces vacuum environment or stopping vacuum environment is relatively complicated, it is necessary to each switch valve respectively carries out Primary regulation, it is impossible to Primary regulation puts in place.
Summary of the invention
Based on this, it is necessary to provide a kind of and can produce executive component or stop vacuum environment carrying out the vacuum switch valve of disposable setting.
A kind of vacuum switch valve, including:
Valve body, is provided with external admission hole and valve body cavity volume, and described valve body cavity volume is connected by described external admission hole with the external world；
Ball sealer, is housed in described valve body cavity volume, offers the through hole that can connect with described valve body cavity volume, described ball sealer is additionally provided with the interior air inlet connected with described through hole in described ball sealer；
Rotating mechanism, described rotating mechanism is connected through described valve body with described ball sealer；
Wherein, when described rotating mechanism drives described ball sealer to rotate in described valve body cavity volume, it is interconnected between described interior air inlet with described external admission hole or does not connect, to turn off or on described vacuum switch valve.
Wherein in an embodiment, described rotating mechanism includes valve rod and cursor, and one end of described valve rod is fixing with described ball sealer to be connected, and the other end of described valve rod is installed described cursor.
Wherein in an embodiment, described valve rod includes integrated plat part and cylindrical bar, described cylindrical bar and described ball sealer are connected together, and described plat part is connected with described cursor, and described cursor is provided with the mounting hole suitable with described plat part.
Wherein in an embodiment, described valve body is provided for the installing hole that described valve rod wears, described installing hole is provided with the first potted component fitted with described stem surface.
Wherein in an embodiment, the surface of described ball sealer and valve rod is respectively provided with layer of metal thin film.
Wherein in an embodiment, the inwall of described valve body cavity volume offers U-type groove, in described U-type groove, be provided with the elastic sealing elements fitted with described ball sealer surface.
Wherein in an embodiment, described elastic sealing elements is silicone rubber O-ring.
Wherein in an embodiment, the two ends of described valve body are separately installed with that first interface and the second interface, described first interface and the second interface is equal and arranges the second potted component between described valve body.
Wherein in an embodiment, the opening size in described external admission hole is less than or equal to the opening size of described through hole.
Wherein in an embodiment, the axis of described through hole is through the center of described ball sealer.
Vacuum switch valve provided by the invention, in the course of the work, the two ends of valve body are connected to vacuum pump and executive component, rotating mechanism drives ball sealer can rotate relative to valve body cavity volume, when interior air inlet connects with executive component and external admission hole is connected with described interior air inlet by through hole, the connection of executive component and vacuum pump is cut off by ball sealer, and executive component connection ambient atmosphere, vacuum switch valve cuts out；Rotating mechanism drives the connection of ball sealer rotated ninety degrees, external admission hole and interior air inlet to be cut off by ball sealer, and executive component is isolated with ambient atmosphere, is only connected with vacuum pump by through hole, and now, vacuum switch valve is opened.Therefore, only a vacuum switch valve need to be carried out Primary regulation, can realize executive component being produced or stopping the setting of vacuum environment, simplify procedures, improve operating efficiency.
Accompanying drawing explanation
Fig. 1 is the assembling structural representation of vacuum switch valve；
Fig. 2 is the exploded perspective view of vacuum switch valve；
Fig. 3 is the structural representation of ball sealer.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Accompanying drawing gives the better embodiment of the present invention.But, the present invention can realize in many different forms, however it is not limited to embodiments described herein.On the contrary, provide the purpose of these embodiments be make the disclosure is understood more thorough comprehensively.
It should be noted that be referred to as " being fixed on " another element when element, it can directly on another element or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly to another element or may be simultaneously present centering elements.For illustrative purposes only, being not offered as is unique embodiment for term as used herein " interior ", " outward ", "left", "right" and similar statement.
Consult Fig. 1 to Fig. 3 simultaneously, a kind of vacuum switch valve, including valve body 200, ball sealer 100 and rotating mechanism 300, valve body 200 includes the valve body cavity volume 250 housing ball sealer 100, ball sealer 100 can rotate in valve body cavity volume 250, offers external admission hole 230 on the outer wall of valve body 200, concrete, when being fitted without ball sealer 100 in valve body cavity volume 250, valve body cavity volume 250 is connected by external admission hole 230 with extraneous air；When in valve body cavity volume 250 already installed with ball sealer 100, under the barrier effect of ball sealer 100, external admission hole 230 can not be connected with valve body cavity volume 250, and only when the relative valve body cavity volume 250 of ball sealer 100 turns to correct position, external admission hole 230 just can be connected with valve body cavity volume 250.Through hole 110 is offered, it is preferred that the axis of through hole 110 is through the center of ball sealer 100, say, that through hole 110 is the through hole extended along a certain diametric(al) of ball sealer 100 in ball sealer 100.The outer wall of ball sealer 100 offers interior air inlet 120, when the relative valve body cavity volume 250 of ball sealer 100 turns to correct position, interior air inlet 120 just can pass through through hole 110 and connect with external admission hole 230, so that external admission hole 230 is connected with valve body cavity volume 250.Preferably, the opening size in external admission hole 230 is less than or equal to the opening size of through hole 110.Rotating mechanism 300 is connected through the outer wall of valve body 200 with ball sealer 100, and rotating mechanism 300 plays the function driving ball sealer 100 to rotate in valve body cavity volume 250.
Consulting Fig. 2, concrete, rotating mechanism 300 includes valve rod 320 and cursor 310, and one end of valve rod 320 is fixing with ball sealer 100 to be connected, and the other end of valve rod 320 is installed cursor 310.Preferably, the conventional connected modes such as valve rod 320 and ball sealer 100 are connected together, naturally it is also possible to adopt welding, interference connection.The top of valve rod 320 is plat part 320a, and the bottom of valve rod 320 is cylindrical bar 320b, and plat part 320a and cylindrical bar 320b is one-body molded, it is true that plat part 320a mainly includes two symmetrically arranged step surfaces of cylinder-shaped valve rod 320 upper end molding.Cylindrical bar 320b and ball sealer 100 are connected together, and cursor 310 is provided with waist-shaped hole 310a, and the shape of mounting hole is suitable with the profile of plat part 320a, and plat part 320a is arranged in the waist-shaped hole 310a of cursor 310.Valve body 200 is provided with an installing hole 240, cylindrical bar 320b is connected through installing hole 240 is fixing with ball sealer 100, for ensureing the sealing property of vacuum switch valve, prevent valve body cavity volume 250 from connecting with ambient atmosphere, installing hole 240 is provided with the first potted component fitted with valve rod 320 surface, concrete, the first potted component is O RunddichtringO, or adopts gasket seal to seal.
Certainly, it is appreciated that, rotating mechanism 300 can adopt manually, electrically, surge or pneumatic mode drives, such as in one embodiment, valve rod 320 is connected with the output shaft of servomotor by shaft coupling and decelerator, and servomotor drives ball sealer 100 to rotate suitable angular displacement relative to valve body cavity volume 250 by valve rod 320.Can also operate by hand and directly rotate cursor 310 and drive ball sealer 100 to rotate, cursor 310 can with surge or air motor is connected to drive ball sealer 100 to rotate.Rotating mechanism 300 can also adopt other known plane or spatial linkage to realize, and does not repeat them here.
Further, the surface of ball sealer 100 and valve rod 320 is respectively provided with layer of metal thin film, and metallic film adopts the mode molding of plating, for instance nickel plating or chromium plating.Because the ball sealer of machine-shaping 100 surface is it is possible that cicatrix or other flaw, cause surface irregularity, arranging metallic film can make ball sealer 100 more smoothly relative to rotating of valve body 200 with valve rod 320, avoid the catching phenomenon occurred in rotation process, reduce the abrasion because ball sealer 100, valve rod 320 and valve body cavity volume 250 are brought by clamping stagnation, improve the sealing property of vacuum switch valve, prevent other impurity to be attached to ball sealer 100 and the surface of valve rod 320, extend the service life of vacuum switch valve.
For improving the anti-wear performance of ball sealer 100, improve sealing property and the service life of vacuum switch valve further, wearing layer can be increased on the surface of ball sealer 100, metal powder particles to ball sealer 100 surface, forms non-metallic wear resistant layer fine and close, that have extremely strong adhesion strength by spray gun high-velocity spray.Certainly, the needs according to vacuum switch valve actual condition, ball sealer 100 entirety can adopt special high-abrasive material to make, such as ceramic material or specialty alloy materials.
Concrete, for the processing of ball sealer 100, it is possible to adopt the production technologies such as forging or casting.Such as in one embodiment, ball sealer 100 adopts the mode of split molding, two symmetrical hemisphere with through hole 110 are manufactured initially with forging molding process, secondly, by two symmetrical hemisphere splits, by hot-melt welds method, two hemisphere are connected into an overall ball sealer 100.Then, lathe is inserted through in hole 110 with jumper bar, eliminates the projection of two hemispheres mosaic, make through hole 110 inner surface become more to smooth, with lathe tool, the outer surface of ball sealer 100 mosaic is carried out finished product processing simultaneously.Adopt in this way can simplified processing process, the defect that ball sealer 100 as cast condition is loose can be eliminated by forging simultaneously, optimize its interior microscopic organizational structure, and then improve its wear-resisting mechanical performance.Ensure switching effect and the service life of vacuum switch valve.
Concrete, in one embodiment, the inwall of valve body cavity volume 250 offers U-type groove, elastic sealing elements it is provided with in U-type groove, the surface of elastic sealing elements and ball sealer 100 fits, and causes abrasion because of friction, can increase gap between the two between ball sealer 100 and valve body cavity volume 250, thus causing revealing, affect the vacuum of vacuum switch valve.And elastic sealing elements can make up the gap increased between ball sealer 100 and valve body cavity volume 250, it is ensured that the sealing property of vacuum switch valve, it is preferred that elastic sealing elements is silicone rubber O-ring.
The two ends of valve body 200 are separately installed with first interface 210 and the second interface 220, for instance, first interface 210 and the second interface 220 are threaded connection with valve body 200.First interface 210 and the second interface 220 all and arrange the second potted component between valve body 200.The situation of dismounting is there is, the sealing property of the second equally possible guarantee vacuum switch valve of potted component between first interface 210 and the second interface 220 and valve body 200.Preferably, the second potted component is made up of politef, because the wearability of polytetrafluoroethylmaterial material is higher, reduces the abrasion of the second potted component in disassembly process.Certainly, can be one-body molded between first interface 210 and the second interface 220 and valve body 200.
Concrete, in the course of the work, one end of valve body cavity volume 250 is connected with vacuum pump by first interface 210, the other end of valve body cavity volume 250 is connected with executive component by the second interface 220, such as, executive component is that vacuum inhales fixture, and vacuum switch valve is arranged on vacuum pump and vacuum is inhaled between fixture, to control vacuum pump to vacuum suction fixture generation or stopping vacuum environment, thus realizing vacuum to inhale fixture fixing or unloading processing work.By rotating mechanism 300, relative for ball sealer 100 valve body cavity volume 250 is rotated to an angle, now, the axis of through hole 110 overlaps with the centrage of valve body cavity volume 250, the two ends of through hole 110 are connected with first interface 210 and the second interface 220 respectively, ball sealer 100 then stops that external admission hole 230 is connected with interior air inlet 120, vacuum inhales fixture and ambient atmosphere isolation, vacuum pump is inhaled fixture with vacuum and is connected, vacuum switch valve is opened, vacuum is inhaled fixture and is produced vacuum environment by vacuum pump, and vacuum is inhaled fixture and can workpiece be fixed reliably so that following process.After rotating mechanism 300 drives ball sealer 100 rotated ninety degrees, now, the central axis of the axis of through hole 110 and valve body cavity volume 250, through hole 110 and first interface 210 are isolated, ball sealer 100 will stop that vacuum pump and vacuum inhale the connection between fixture, simultaneously, external admission hole 230 passes sequentially through through hole 110 and is connected with the second interface 220 with interior air inlet 120, finally result in ambient atmosphere to connect with vacuum suction fixture, vacuum switch valve open and close, vacuum is inhaled the connection between fixture and vacuum pump and is cut off, vacuum is inhaled fixture and is stopped producing vacuum environment, workpiece to be machined can be inhaled fixture from vacuum and unload easily.
Therefore, vacuum is inhaled and only need to be installed a vacuum switch valve between fixture and vacuum pump, only needs Primary regulation simultaneously, can realize vacuum is inhaled the setting that fixture produces or stops vacuum environment, reduce the installation quantity of two-port valve, simplify procedures, improve operating efficiency.Certainly, vacuum switch valve is equally possible to be arranged between vacuum pump and other executive component, also only needs a vacuum switch valve can control executive component through Primary regulation and produces or stop vacuum environment.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics is absent from contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a vacuum switch valve, it is characterised in that including:
Valve body, is provided with external admission hole and valve body cavity volume, and described valve body cavity volume is connected by described external admission hole with the external world；
Ball sealer, is housed in described valve body cavity volume, offers the through hole that can connect with described valve body cavity volume, described ball sealer is additionally provided with the interior air inlet connected with described through hole in described ball sealer；
Rotating mechanism, described rotating mechanism is connected through described valve body with described ball sealer；
Wherein, when described rotating mechanism drives described ball sealer to rotate in described valve body cavity volume, it is interconnected between described interior air inlet with described external admission hole or does not connect, to turn off or on described vacuum switch valve.
2. vacuum switch valve according to claim 1, it is characterised in that described rotating mechanism includes valve rod and cursor, one end of described valve rod is fixing with described ball sealer to be connected, and the other end of described valve rod is installed described cursor.
3. vacuum switch valve according to claim 2, it is characterized in that, described valve rod includes integrated plat part and cylindrical bar, described cylindrical bar and described ball sealer are connected together, described plat part is connected with described cursor, and described cursor is provided with the mounting hole suitable with described plat part.
4. vacuum switch valve according to claim 1, it is characterised in that be provided for the installing hole that described valve rod wears on described valve body, described installing hole is provided with the first potted component fitted with described stem surface.
5. vacuum switch valve according to claim 1, the surface of described ball sealer and valve rod is respectively provided with layer of metal thin film.
6. vacuum switch valve according to claim 1, it is characterised in that offer U-type groove on the inwall of described valve body cavity volume, is provided with the elastic sealing elements fitted with described ball sealer surface in described U-type groove.
7. vacuum switch valve according to claim 6, it is characterised in that described elastic sealing elements is silicone rubber O-ring.
8. vacuum switch valve according to claim 1, it is characterised in that the two ends of described valve body are separately installed with that first interface and the second interface, described first interface and the second interface is equal and arranges the second potted component between described valve body.
9. vacuum switch valve according to claim 1, it is characterised in that the opening size in described external admission hole is less than or equal to the opening size of described through hole.
10. the vacuum switch valve according to any one of claim 1 to 9, it is characterised in that the axis of described through hole is through the center of described ball sealer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610286421.4A CN105805337A (en) | 2016-04-29 | 2016-04-29 | Vacuum switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610286421.4A CN105805337A (en) | 2016-04-29 | 2016-04-29 | Vacuum switching valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105805337A true CN105805337A (en) | 2016-07-27 |
Family
ID=56459030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610286421.4A Pending CN105805337A (en) | 2016-04-29 | 2016-04-29 | Vacuum switching valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105805337A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5670174A (en) * | 1979-11-07 | 1981-06-11 | Takashi Nosaka | Valve |
| CN2826105Y (en) * | 2004-12-13 | 2006-10-11 | 王俊斗 | Convenient, water-saving and anti-freezing valve |
| CN101319725A (en) * | 2008-07-21 | 2008-12-10 | 裘新宝 | Gas energy-saving control valve |
| CN102052485A (en) * | 2010-12-31 | 2011-05-11 | 浙江新涛电子机械股份有限公司 | Steplessly adjustable electric control gas valve |
| CN102162533A (en) * | 2010-02-24 | 2011-08-24 | 东京毅力科创株式会社 | Ball valve for vacuum exhaust and vacuum exhaust apparatus |
| CN203309169U (en) * | 2013-05-10 | 2013-11-27 | 武汉东南祥泰化工有限公司 | Vacuum ball valve |
| CN204328162U (en) * | 2014-11-13 | 2015-05-13 | 东莞市南兴家具装备制造股份有限公司 | The vacuum switch valve arrangement of timber machining center |
-
2016
- 2016-04-29 CN CN201610286421.4A patent/CN105805337A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5670174A (en) * | 1979-11-07 | 1981-06-11 | Takashi Nosaka | Valve |
| CN2826105Y (en) * | 2004-12-13 | 2006-10-11 | 王俊斗 | Convenient, water-saving and anti-freezing valve |
| CN101319725A (en) * | 2008-07-21 | 2008-12-10 | 裘新宝 | Gas energy-saving control valve |
| CN102162533A (en) * | 2010-02-24 | 2011-08-24 | 东京毅力科创株式会社 | Ball valve for vacuum exhaust and vacuum exhaust apparatus |
| CN102052485A (en) * | 2010-12-31 | 2011-05-11 | 浙江新涛电子机械股份有限公司 | Steplessly adjustable electric control gas valve |
| CN203309169U (en) * | 2013-05-10 | 2013-11-27 | 武汉东南祥泰化工有限公司 | Vacuum ball valve |
| CN204328162U (en) * | 2014-11-13 | 2015-05-13 | 东莞市南兴家具装备制造股份有限公司 | The vacuum switch valve arrangement of timber machining center |
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Application publication date: 20160727 |
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| RJ01 | Rejection of invention patent application after publication |