CN205592423U - Diaphragm valve - Google Patents
Diaphragm valve Download PDFInfo
- Publication number
- CN205592423U CN205592423U CN201521112957.1U CN201521112957U CN205592423U CN 205592423 U CN205592423 U CN 205592423U CN 201521112957 U CN201521112957 U CN 201521112957U CN 205592423 U CN205592423 U CN 205592423U
- Authority
- CN
- China
- Prior art keywords
- display device
- diaphragm
- diaphragm valve
- housing portion
- 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.)
- Expired - Fee Related
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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0236—Diaphragm cut-off apparatus
-
- 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
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model relates to a diaphragm valve, it has: the casing lower part that has the valve body, entry and export, they and valve body fluid coupling, the fastening is on the casing upper portion of casing lower part department, with the formation sealing mechanism's of valve body cooperation the diaphragm that has a sealed side, wherein, the fastening of diaphragm seal ground within casing lower part and/or the casing upper portion or between them and casing lower part or casing upper portion the relative with sealed side of diaphragm and have leak hole on the side of putting, wherein, casing lower part or casing upper portion are provided with and leak hole fluid coupling's and be in in casing lower part or the casing upper portion or be in the display device who arranges hermetcally between them.
Description
Technical field
The present invention relates to a kind of diaphragm valve, its with: there is the lower housing portion of valve body；Entrance and
Outlet, they are connected with valve body fluid；It is fastened on the housing upper at lower housing portion；With valve body
The diaphragm with sealed sides forming sealing mechanism of cooperation, wherein, is fastened on to diaphragm seal
Within lower housing portion and/or housing upper or between which and on lower housing portion or housing
On the side that portion puts the relative with sealed sides of diaphragm, there is leak.
Background technology
Known membrane plate valve and diaphragm accessory (Membranarmatur), it has leakage in the housing
Hole, leak the most outwards guides medium, is especially guided in valve when diaphragm damages
Fluid.This fluid outwards guided is so visible on the outside of valve and such as must be collected in
In container (it is if desired equipped with measurement apparatus).
Such as by the file DE 42 44 020 A1 visual leakage device of known one, at it
Middle slide block is provided with soft rubber-sealing, and outwards guiding in sealing has flow pass
(Abflusskanal).If this sealing is impaired and fluid flows in this passage, then fluid quilt
Outwards guide and visually demonstrate.
In the valve of file DE 601 12 639 T2, loss of liquid-identification sensor is on housing
Opening wide in the wall in portion, it is conduction and is provided with electrode.These electrodes are outwards guided and are fastened
At display device.When diaphragm becomes blow-by or must change, at this moment can be in display device
Place reads.
The valve with diaphragm-sealing member it is provided with in file EP 0 742 398 B1, wherein,
Diaphragm-sealing member is disposed behind leakage path, and it leads to sight glass (Schauglas).At this
And only diaphragm can be observed from outside by operator at the side of valve the most impaired at sight glass.
File WO 2011/014436 A1 discloses a kind of flow valveIts
Can close by means of diaphragm, wherein, have flow channel diaphragm is disposed behind, it is by outwards
Guide.There is connecting element in the end of flow channel, when in flow channel pressure due to
Blow-by in diaphragm and can determine that via connecting element when raising.
Prior art major defect is, if the impaired so fluid of diaphragm flows out to outdoor from valve
Or need special sensor, the existence of its detection fluid and for this must supply with energy, especially
Its electric current.
Summary of the invention
The present invention is it is therefore intended that provide a kind of diaphragm valve, and it has display device, this display
Device demonstrates diaphragm blow-by but prevents fluid from flowing outwardly outdoor.
This purpose utilizes the diaphragm valve of the type mentioned by beginning thus to come in fact according to the present invention
Existing, i.e. lower housing portion or housing upper is provided with that fluidly connect with leak and in lower housing portion
Or the display device in housing upper or being sealingly arranged between which.
It is being arranged so that leak leads to display according to display device in the diaphragm valve of the present invention
After device, but display device is sealingly arranged in lower housing portion or housing upper and therefore
Fluid can not flow outwardly.Advantageously, display device is between lower housing portion and housing upper
And by two components mutually to external seal.Fluid is the most thus avoided to flow out to outdoor.But this shows
The major advantage that showing device has is, the existence of its display fluid, but need not for flowing out
The collection container of fluid because the spilling of fluid need not be worried.Around i.e. without concern of contamination
Environment.
Being arranged in an improvement project of the present invention, display device has vision and/or optics special
Property.I.e. it such as can be read by operator or it is such as transformed into a signal colour, thus its
Also can easily identify in larger distance, particular it appear that failure conditionOr potential danger
Danger.
Especially preferred embodiment of the invention is arranged to, display device at housing upper or
The circumferential section (Umfangsabschnitt) of lower housing portion upper or on its whole periphery (namely
Say over 360 deg.) extend, load which position from regardless of diaphragm valve, display device with
Time and can be from all direction discernment or reading.Even if diaphragm valve is hidden by other accessories section,
Also may recognize that display device.
The presence or absence the most thus making fluid can identification, i.e. display device be
Transparent or translucent, say, that to be printing opacity wholly or in part.Thus in display device
In such as produce color change or brightness flop, its instruction state change.
The particularly preferred form of implementation of the present invention is, display device is by being drawn with in valve
The fluid led cause when contacting color transition or color change or switching material constitute or
Person comprises this material.Here, the material of display device such as can react with fluid.For
Diaphragm valve used in food industry or pharmaceuticals industry, display device is not the most inhaled by neither releasing
The inert material receiving material is constituted.
Being arranged in an improvement project of the present invention, the contact of display device and fluid is only in footpath
To inner surface at occur.Even if the outer surface of display device contacts with fluid, display device
Do not change, because it only reacts with its inner surface convection cell radially or contact fluid.This tool
There is advantage, can purify and diaphragm for disinfecting valve without misgivings, and display device the most thus changes also
And do not have medium to penetrate in inside in addition.
Being arranged in the form of implementation according to the present invention, display device is annularly around diaphragm
And in vertical section radially, there is the arching portion radially outward stretchedThis arching portion
Advantage is, on the one hand it can relatively simply clean, and ratio is in column the most at which
Or concave surface less adhere to dirt.Another advantage is, even if arching portion is axially stretching
The visual field prolonged also shows, because it stretches out from the circumference of the column of diaphragm valve housing.Aobvious
Showing device i.e. rides out from the cylinder of lower housing portion and housing upper.
Another advantage is, arching portion is the part of optical loupes.Even if thus minimum
Fluid also can cause from outside in display device at relatively large change.Display device the most may be used
It is prone to from afar read, because magnifier demonstrates small change in color or brightness.
Because the light injected assembled by magnifier, display device can also easily be in the case of optical condition is poor
Read.
Preferably, display device is made up of Merlon (PC) or borosilicate glass, thus logical
Cross display device and can relatively well observe visible fluid and display device has high intensity.This
External display device can be easily manufactured, such as by means of injection moulding process or machining, and this
Can manufacture with arbitrary size outward.
Thus prevent fluid from flowing out from diaphragm valve, i.e. display device relative on the downside of housing and/
Or side seal on housing.This such as by means of rubber seal or rubber lip, by means of fluid sealant
Or realize by means of bonding (Verklebung).
The fluid flowed out from fluid passage in diaphragm valve is the most thus
Be distributed at display device and soak display device, i.e. display device has at inner surface radially
There is the groove stretched in the circumferential.In display device and therefore fluid is distributed along this groove, thus it
The whole peripheral region of whole diaphragm valve is from outside.Here, groove is selected such that it has hair
Spy's use, thus fluid automatically soaks the inner peripheral wall of display device.
Accompanying drawing explanation
The additional advantage of the present invention, feature and details are drawn by ensuing explanation, wherein
A particularly preferred embodiment is illustrated with reference to accompanying drawing.
Wherein:
Fig. 1 shows the side view of the diaphragm valve according to the present invention；And
Fig. 2 shows the section II-II passing diaphragm valve according to Fig. 1.
Detailed description of the invention
Fig. 1 shows the entirety preferred form of implementation with the diaphragm valve of 10 labellings, diaphragm valve
Having entrance 12 and outlet 14, they are arranged at lower housing portion 16.By housing upper 18
Being placed in this lower housing portion 16, the top of main shaft 20 protrudes upward from housing upper, thus
It can be connected with (unshowned) driver, thus it can be made to transport in the direction of arrow 22
Dynamic.
Fig. 2 shows according to Fig. 1 through the vertical section II-II of diaphragm valve 10 and under housing
Portion 16 the most also can pick out a part for outlet 14.Between entrance 12 and outlet 14
There is valve contact pin 24, it is the part of valve body 25 and diaphragm 26 can be forced on it.At Fig. 2
Shown in diaphragm 26 position in diaphragm occupy open position, thus diaphragm valve 10 can be flowed
Body percolation.Casting die (Druckst ü ck) 28 is made the most in the direction of arrow 22 by main shaft 20
Moving and urging it against makes diaphragm launch at the bottom of casting die 28 on diaphragm 26, (do not showing
Go out) diaphragm 26 is pressed onto in valve contact pin 24 by closed position.
It is therefore prevented from fluid to flow from the region guiding fluid between entrance 12 and outlet 14
Go out, i.e. the edge hammer ground of the cincture of diaphragm 26 thickening and have downwards and up around
Protuberance 30 and 32, it is joined in corresponding peripheral groove 34 and 36, and peripheral groove is arranged on shell
In body bottom 16 and housing upper 18.In like fashion diaphragm 26 is pressed at peripheral edge
Close and fix and be fastened between housing component 16 and 18 so that it is moving from open position
Do not vacillate in closed position and when returning or in centre position.
If diaphragm 26 strains to obtain porous or rupture, fluid from the flow region of valve body 25,
That is flow on diaphragm 26 from the region between entrance 12 and outlet 14
In region.From this region between casting die 28 and diaphragm 26 fluid be moved radially outward and
Arriving in the leak 38 radially stretched, it leads to the annular annularly around lower housing portion 16
In passage 40.This circular passage 40 radially by display device 42 around, display device exists
Its aspect is between lower housing portion 16 and housing upper 18.To this end, lower housing portion 16 has
There is the shoulder 44 extended radially out, at display device 42 thereon.Housing upper 18 is with often
The mode seen and lower housing portion 16 such as screw and have female thread 46 for this, and it is screwed onto and sets
Put on the external screw thread 48 on the outside of the section 50 of the basin shape of lower housing portion 16.At section
There is also sealing member 52 between 50 and housing upper 18, it prevents fluid from penetrating into diaphragm valve 10
In.The free end extended downwardly from of housing upper 18 is positioned in display device 42 and is fixed
On shoulder 44.
The lower end freely of display device 42, shoulder 44 and housing upper 18 is without unoccupied place and without letting out
Leakage ground assembles, thus flows out to outdoor without fluid from circular passage 40.
But there is also this probability, i.e. freedom below shoulder 44 and housing upper 18
The region of end is provided with sealing member or air locking, catches to its fluid-tight and keep display
Device 42.
Display device 42 constructs pellucidly or semi-transparently and has the arch being radially outwardly sloping
Pars convoluta 54, its have this advantage, i.e. display device also can pick out on axially (arrow 56) and
The change of display device if desired is visible.The fluid being positioned in circular passage 40 is through aobvious
Showing device 42 can pick out or the color of display device 42, brightness or penetrance change and refer to
Show that user should check diaphragm 26 or the sealing member of usual diaphragm valve 10.In lower housing portion 16
And the sealing of the display device 42 between housing upper 18 prevents fluid from outside from flowing into diaphragm valve
In 10 so that the fluid being included in is not contaminated.Diaphragm valve 10 according to the present invention is i.e.
Make the fluid sterility comprised when diaphragm 26 damages to external seal and holding.
Display device 42 has this advantage in addition, and i.e. it stands higher interior pressure and allows 360 °
The visual field, that is no matter where leak 38 is positioned at or where diaphragm valve 10 is assemblied in.This
Outward, display device 42 without sensor while need not energy.
Claims (11)
1. a diaphragm valve (10), its with: there is the lower housing portion (16) of valve body (25)；Entrance (12) and outlet (14), it fluidly connects with described valve body (25)；It is fastened on the housing upper (18) at described lower housing portion (16) place；The diaphragm with sealed sides (26) forming sealing mechanism cooperated with described valve body (25), wherein, within described diaphragm (26) is sealingly secured in described lower housing portion (16) and/or described housing upper (18) or between which and on the side put the relative with described sealed sides of described diaphragm (26) of described lower housing portion (16) or described housing upper (18), there is leak (38), it is characterized in that, the display device (42) being sealingly arranged that described lower housing portion (16) or described housing upper (18) are provided with and described leak (38) fluidly connects and be in described lower housing portion (16) or housing upper (18) or be between them.
Diaphragm valve the most according to claim 1, it is characterised in that described display device (42) is vision and/or optical characteristics.
Diaphragm valve the most according to claim 1 and 2, it is characterised in that extend on the whole periphery of described display device (42) on circumferential section or on the housing portion (18) or lower housing portion (16).
Diaphragm valve the most according to claim 1 and 2, it is characterised in that described display device (42) is transparent or translucent (printing opacity).
Diaphragm valve the most according to claim 1 and 2, it is characterized in that, described display device (42) is constituted by the material causing color transition or color change when contacting with the fluid guided in described diaphragm valve (10) or is had this material.
Diaphragm valve the most according to claim 5, it is characterised in that described display device (42) realizes at the inner surface of the radial direction of described display device (42) with contacting of described fluid.
Diaphragm valve the most according to claim 1 and 2, it is characterised in that described display device (42) is annularly around described diaphragm (26) and has the arching portion (54) radially outward stretched in radial direction vertical section.
Diaphragm valve the most according to claim 7, it is characterised in that described arching portion (54) is the part of optical loupes.
Diaphragm valve the most according to claim 1 and 2, it is characterised in that described display device (42) is made up of Merlon (PC) or borosilicate glass.
Diaphragm valve the most according to claim 1 and 2, it is characterised in that described display device (42) the most described lower housing portion (16) and/or the most described housing upper (18) seal.
11. diaphragm valves according to claim 1 and 2, it is characterised in that described display device (42) has the groove of the cincture stretched in the circumferential at inner surface radially.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014221863.2 | 2014-10-27 | ||
| DE102014221863.2A DE102014221863B4 (en) | 2014-10-27 | 2014-10-27 | diaphragm valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205592423U true CN205592423U (en) | 2016-09-21 |
Family
ID=55698518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521112957.1U Expired - Fee Related CN205592423U (en) | 2014-10-27 | 2015-10-27 | Diaphragm valve |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205592423U (en) |
| DE (1) | DE102014221863B4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838581A (en) * | 2017-11-29 | 2019-06-04 | 波凯特有限及两合公司 | Diaphragm unit and diaphragm valve for diaphragm valve |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016109129A1 (en) * | 2016-05-18 | 2017-11-23 | Gemü Gebr. Müller Apparatebau Gmbh & Co. Kommanditgesellschaft | diaphragm valve |
| DE102021120287A1 (en) | 2021-08-04 | 2023-02-09 | Gemü Gebr. Müller Apparatebau Gmbh & Co. Kommanditgesellschaft | Clamping assembly for a process valve |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4244020C2 (en) | 1992-12-24 | 1997-02-13 | Schmitz & Schulte Gmbh & Co Kg | Fitting for influencing the flow rate of a pipeline carrying a fluid |
| DE29507638U1 (en) * | 1995-05-09 | 1995-07-06 | Arca Regler Gmbh | Valve |
| DE29507639U1 (en) | 1995-05-09 | 1995-07-06 | Arca Regler Gmbh | Valve |
| US5924441A (en) * | 1996-09-11 | 1999-07-20 | Fluoroware, Inc. | Diaphragm valve |
| US6508266B2 (en) | 2000-03-31 | 2003-01-21 | Toyo Stainless Steel Industries Co., Ltd. | Diaphragm valve |
| JP2013500455A (en) | 2009-07-27 | 2013-01-07 | メルク・シャープ・エンド・ドーム・コーポレイション | Diaphragm valve with improved sealing and leak detection |
| EP2775181B1 (en) * | 2013-03-08 | 2016-01-13 | Georg Fischer Rohrleitungssysteme AG | Valve with a leakage display |
-
2014
- 2014-10-27 DE DE102014221863.2A patent/DE102014221863B4/en active Active
-
2015
- 2015-10-27 CN CN201521112957.1U patent/CN205592423U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838581A (en) * | 2017-11-29 | 2019-06-04 | 波凯特有限及两合公司 | Diaphragm unit and diaphragm valve for diaphragm valve |
| CN109838581B (en) * | 2017-11-29 | 2023-04-14 | 波凯特有限及两合公司 | Diaphragm assembly for diaphragm valve and diaphragm valve |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014221863B4 (en) | 2018-02-15 |
| DE102014221863A1 (en) | 2016-04-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Germany Esslingen Patentee after: FESTO Co.,Ltd. Address before: Germany Esslingen Patentee before: FESTO AG & CO. KG |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 Termination date: 20211027 |