CN203477326U - Diaphragm mud valve - Google Patents
Diaphragm mud valve Download PDFInfo
- Publication number
- CN203477326U CN203477326U CN201320384449.3U CN201320384449U CN203477326U CN 203477326 U CN203477326 U CN 203477326U CN 201320384449 U CN201320384449 U CN 201320384449U CN 203477326 U CN203477326 U CN 203477326U
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- diaphragm
- valve
- pressing plate
- barrier film
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Abstract
The utility model relates to a diaphragm mud valve and aims to provide a diaphragm mud valve which is good in sealing performance and long in service life. The diaphragm mud valve comprises a valve body provided with a hydraulic hollow cavity, and a valve rod; a diaphragm piece for separating the hydraulic hollow cavity into an upper part and a lower part is arranged in the valve body; the diaphragm is pressed by an upper diaphragm press plate and a lower diaphragm press plate; through holes for the valve rod to penetrate are formed in the diaphragm piece, the upper diaphragm press plate and the lower diaphragm press plate; the valve rod penetrates through the through holes to be fixedly connected with the upper diaphragm press plate and the lower diaphragm press plate; fixing lugs are arranged at the surface, contacted with the upper diaphragm press plate or/and the lower diaphragm press plate, of the diaphragm piece; grooves matched with the fixing lugs are arranged at the surface, contacted with the surface of the diaphragm piece, of the upper diaphragm press plate or/and the lower diaphragm press plate. The diaphragm mud valve with the diaphragm piece has the advantages of good sealing performance and long service life.
Description
Technical field
The utility model relates to a kind of soil discharging valve, is specifically related to a kind of diaphragm mud-discharge valve.
Background technique
Soil discharging valve has another name called and covers valve, be usually used in the deposition tank of city water factory, sewage treatment works at the bottom of discharge mud use.Traditional soil discharging valve is comprised of valve body, piston, valve rod, flap, by hydraulic pressure, drives piston and valve rod along the axial motion of valve rod, thereby with the flap closure or openness of the ovable valve stem the other end.Because piston movement wearing and tearing are more serious, therefore produced follow-on soil discharging valve: diaphragm mud-discharge valve, the main feature of this valve is to adopt two chambers barrier film driving mechanism instead of piston formula, without motion wearing and tearing.Diaphragm mud-discharge valve is the inner Angle Stop valves that is divided into upper and lower two cavitys by diaphragm, and hydraulic power drives flap lifting, makes valve channel open or close, to reach fluid break-make.
And in prior art, the installation of diaphragm is by diaphragm center drilling, again valve rod is passed to perforate, at valve rod place, diaphragm is fixing with upper and lower two clamping plate compacting, total and diaphragm is divided into upper and lower two spaces by valve inner, and diaphragm is to have certain flexible elastomer diaphragm, in as installed process, can be because contraposition is forbidden to make diaphragm inhomogeneous by the rear pressure being subject to of clamping plate clamping, and soil discharging valve is in prolonged application, diaphragm can slide between clamping plate, affect the sealability of barrier film, cause the phenomenon of upper and lower two cavity generation channeling waters.
Model utility content
Main purpose of the present utility model is to provide the diaphragm mud-discharge valve of a kind of good seal performance, long service life.
For achieving the above object, the technical solution adopted in the utility model is: a kind of diaphragm mud-discharge valve, comprise the valve body, the valve rod that are provided with hydraulic pressure cavity, in valve body, arrange the upper and lower separated diaphragm of hydraulic pressure cavity, described diaphragm upper and lower surface arranges respectively upper diaphragm pressing plate and lower diaphragm pressing plate; The through hole passing for valve rod is set on diaphragm, upper diaphragm pressing plate and lower diaphragm pressing plate, and valve rod is fixedly connected with lower diaphragm pressing plate with upper diaphragm pressing plate through through hole; Described diaphragm is with upper diaphragm pressing plate or/and the surface that lower diaphragm pressing plate contacts arranges fixedly projection, and described upper diaphragm pressing plate is or/and the groove that the surface that lower diaphragm pressing plate contacts with diaphragm arranges with fixedly projection matches.
That is to say, in valve body, there is a hydraulic pressure cavity of implementing for liquid hydraulic pressure activity, in hydraulic pressure cavity, be provided with diaphragm, diaphragm is divided into upper and lower two parts independently by hydraulic pressure cavity, two boards is that upper diaphragm pressing plate and upper diaphragm pressing plate compress diaphragm, valve rod, through pressing plate and diaphragm, is fixed valve rod and two block pressur plates, so just diaphragm has been fixed on valve rod.And the fixedly projection that the place that diaphragm contacts with pressing plate is provided for fixing, protrude from the projection on diaphragm surface, and on pressing plate, also arrange and this protruding groove mating, fixedly projection just can be put into groove, like this, when diaphragm is installed, itself and pressing plate contraposition is just very easy, can, when clamping press plate, not make the discontinuity on diaphragm cause that diaphragm produces deformation.And in membrane valve long-time running, diaphragm not can and pressing plate between there is relative displacement, and diaphragm can not be torn because being subject to long-term effect of stress, causes the phenomenon of upper and lower two cavity generation channeling waters, and diaphragm need be changed again.On valve rod, being provided with a plurality of seal rings makes the sealability of membrane valve better.
Further, the position contacting with upper diaphragm pressing plate or lower diaphragm pressing plate on described valve rod arranges groove, and O RunddichtringO is set in groove.
Further, described valve body also comprises valve gap and barrier film seat, and described valve gap and barrier film seat are bolted and surround hydraulic pressure cavity.
Further, described valve gap top arranges and closes valve water intake, and described barrier film seat arranges boss with the position that lower diaphragm pressing plate contacts, and valve water intake is opened in the position setting lower than boss height on described barrier film seat wall.
Further, the through hole passing for valve rod is set on described barrier film seat, two y-type seal rings are set in this through hole, described y-type seal ring stack arranges, and upward, the lip of the y-type seal ring below being positioned at down for the lip of the y-type seal ring above being positioned at.
Further, between described y-type seal ring and lower diaphragm pressing plate, the flange interting on valve rod is set, the large end of flange upward.
Further, between described y-type seal ring and barrier film seat lower end surface, retaining washer is set, arranges and retaining washer is sealed in to the shaft seal cover in barrier film seat on barrier film seat lower end surface, shaft seal cover is connected with barrier film seat bolt.
Further, described valve body also comprises valve seat, and described valve rod lower end connects flap, and the position that flap contacts with valve seat arranges valve clack sealing ring.
Further, described barrier film seat lower end surface arranges barrier film seat flange, and the upper-end surface of described valve seat arranges valve seat flange, and valve seat flange and barrier film seat flange are fixed by pillar.
Further, described valve rod two ends arrange screw thread, and valve rod upper end is through upper diaphragm pressing plate, and valve rod lower end is through flap, and upper and lower end is fixed with nut respectively.
In sum, the utlity model has the advantage of good seal performance, long service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of diaphragm mud-discharge valve of the utility model.
Fig. 2 is the enlarged view of A in Fig. 1.
In figure: 1, close valve water intake, 2, valve gap, 3, pillar, 4, flap, 5, valve clack sealing ring, 6, valve seat, 7, valve rod, 8, shaft seal cover 9, barrier film seat, 10, diaphragm, 11, bolt, 12, upper diaphragm pressing plate, 13, O RunddichtringO, 14, open valve water intake, 15, y-type seal ring, 16, retaining washer, 17, fixing projection, 18, lower diaphragm pressing plate, 19, flange, 20, hydraulic pressure cavity, 21, barrier film seat flange, 22, valve seat flange.
Embodiment
With reference to Fig. 1,2, be described as follows: a kind of diaphragm mud-discharge valve, comprise the valve body, the valve rod 7 that are provided with hydraulic pressure cavity 20, hydraulic pressure cavity 20 is cavitys of implementing for liquid hydraulic pressure activity, in valve body, arrange the upper and lower separated diaphragm 10 of hydraulic pressure cavity 20, described diaphragm 10 upper and lower surfaces arrange respectively upper diaphragm pressing plate 12 and lower diaphragm pressing plate 18.Diaphragm 10 is compressed, valve rod 7 is passed to pressing plate and diaphragm 10, valve rod 7 and two block pressur plates are fixed, described diaphragm 10 with upper diaphragm pressing plate 12 or/and the surface that lower diaphragm pressing plate 18 contacts arranges fixedly projection 17, described upper diaphragm pressing plate 12 is or/and lower diaphragm pressing plate 18 arranges groove with the surface that diaphragm 10 contacts, fixedly projection 17 just can be placed in groove, can be that upper diaphragm pressing plate 12 arranges groove, can be that lower diaphragm pressing plate 18 arranges groove, also can be that upper diaphragm pressing plate 12 and lower diaphragm pressing plate 18 all arrange groove, and the fixedly projection 17 that on diaphragm 10, setting is mated with groove.Fixedly projection 17 can be to take the annulus that valve rod 7 cross-section center are the center of circle, and annulus projection, can be also that spot distribution is on diaphragm 10.
Further, the position contacting with upper diaphragm pressing plate 12 or lower diaphragm pressing plate 18 on described valve rod 7 arranges groove, and O RunddichtringO 13 is set in groove.After that is to say that valve rod 7 is through upper diaphragm pressing plate 12 or lower diaphragm pressing plate 18, at the position contacting with pressing plate, offer groove, an i.e. circular groove around valve rod 7 axial-rotations, in groove, insert O RunddichtringO 13, just tightr between valve rod 7 and upper diaphragm pressing plate 12 or lower diaphragm pressing plate 18 like this, avoid by the generation of two-part up and down channeling water phenomenon of the separated hydraulic pressure cavity 20 of diaphragm 10.
Further, described valve body also comprises valve gap 2 and barrier film seat 9, and described valve gap 2 and barrier film seat 9 are bolted and surround hydraulic pressure cavity 20.The valve gap 2 that is barrier film seat 9 and its top covers the hydraulic pressure cavity 20 described in just having surrounded, and barrier film seat 9 and valve gap 2 are bolted, and are convenient to like this valve gap 2 to disassemble, and valve inner is cleared up.
Further, described valve gap 2 tops arrange closes valve water intake 1, and described barrier film seat 9 arranges boss with the position that lower diaphragm pressing plate 18 contacts, and valve water intake 14 is opened in the position setting lower than boss height on described barrier film seat 9 walls.Be valve gap 2 tops arrange be in communication with the outside close valve water intake 1, the position setting that barrier film seat 9 contacts with lower diaphragm pressing plate 18 is raised in the boss of barrier film seat 9, on the wall of the barrier film seat 9 lower than boss height, offer be in communication with the outside open valve water intake 14.When closing valve water intake 1 toward the 20 interior water filling of hydraulic pressure cavity, diaphragm 10 moves down, thereby band ovable valve stem 7 moves down; And when opening valve water intake 14 toward the 20 interior water filling of hydraulic pressure cavity, diaphragm 10 up moves, thereby band ovable valve stem 7 up moves.The position contacting with lower diaphragm pressing plate 18 at barrier film seat 9 arranges the boss that is raised in barrier film seat 9, on the wall of the barrier film seat 9 lower than boss height, offer be in communication with the outside open valve water intake 14, boss can support lower diaphragm pressing plate 18 like this, make diaphragm 10 can when hydraulic pressure cavity 20 tops are full of water, not be close to and close valve water intake 1 place, hinder the water flood operations of closing valve water intake 1 place.
Further, the through hole passing for valve rod 7 is set on described barrier film seat 9, two y-type seal rings 15 are set in this through hole, described y-type seal ring 15 stacks arrange, upward, the lip of the y-type seal ring 15 below being positioned at down for the lip of the y-type seal ring 15 above being positioned at.Y-type seal ring 15 is conventional seal ring forms, it is the seal ring that cross section is Y-shaped, be mainly used in reciprocating sealing position, one side that open the top of Y type is lip, during installation, lip will face toward the high side of pressure, competence exertion effect, and valve rod 7 need pump, therefore the utility model superposes two y-type seal rings 15 up and down, being about to two y-type seal rings 15 overlaps up and down, above a y-type seal ring 15 lip upward, the lip of y-type seal ring 15 below down, in the time of the so upper and lower pressurized of seal ring, can give full play to the effect of y-type seal ring 15, play good sealing effect.
Further, between described y-type seal ring 15 and lower diaphragm pressing plate 18, the flange 19 interting on valve rod 7 is set, the large end of flange 19 upward.That is to say on valve rod 7 axle sleeve is set, axle sleeve is between y-type seal ring 15 and lower diaphragm pressing plate 18, and the area of the upper-end surface of axle sleeve is greater than the area of lower end surface.Flange 19 not only can play the effect of shaft seal like this, and its upper end can be socketed on barrier film seat 9, avoid flange 19 down landing push down y-type seal ring 15.
Further, between described y-type seal ring 15 and barrier film seat 9 lower end surfaces, retaining washer 16 is set, on barrier film seat 9 lower end surfaces, arranges retaining washer 16 is sealed in to the shaft seal cover 8 in barrier film seat 9, shaft seal cover 8 is connected with barrier film seat 9 bolts.At y-type seal ring 15 ends, retaining washer 16 is set, retaining washer 16 is for y-type seal ring 15 being further fixed, through hole in barrier film seat 9 lower end surfaces arranges shaft seal cover 8, shaft seal cover 8 is in order further to seal, and it is to be convenient to detachable maintaining that shaft seal cover 8 is connected with barrier film seat 9 bolts.
Further, described valve body also comprises valve seat 6, and described valve rod 7 lower ends connect flap 4, and the position that flap 4 contacts with valve seat 6 arranges valve clack sealing ring 5.Flap 4 and valve seat 6 are for the parts of closure or openness valve in valve mechanism, flap 4 is generally a baffle plate, and valve seat 6 is short tube, short tube one end is connected with the container that need hold back or pipeline, the other end is blocked sealing by baffle plate, and at this moment, valve is in closed condition, when baffle plate leaves the end of short tube, valve opening.To be laminating by flap 4 and valve seat 6 play valve closes and unlatching with separated in the work of membrane valve, and the position that flap 4 contacts with valve seat 6 arranges valve clack sealing ring 5 and can, so that flap 4 and valve seat 6 are tightr when closed, reduce mud and leak out.
Further, described valve rod 7 two ends arrange screw thread, and valve rod 7 upper ends are through upper diaphragm pressing plate 12, and valve rod 7 lower ends are through flap 4, and upper and lower end is fixing with nut 11 respectively.Namely in the end that passes the pillar 3 of upper diaphragm pressing plate 12 and flap 4, screw thread being set, nut 11 is tightened on pillar 3, thereby valve rod 7 is fixed on upper diaphragm pressing plate 12 and flap 4, is so also dismounting and the maintenance for the ease of soil discharging valve.Certainly valve rod 7 can be also other modes such as welding with upper diaphragm pressing plate 12 and flap 4.
Further, described barrier film seat 9 lower end surfaces arrange barrier film seat flange 21, and the upper-end surface of described valve seat 6 arranges valve seat flange 22, and valve seat flange 22 is fixing by pillar 3 with barrier film seat flange 21.Be that membrane valve is when open, at the bottom of the ejected matter outflow valve seats such as mud are directly discharged pond, do not need, with pipeline, it is carried out to water conservancy diversion, this open design, extremely be convenient to the maintenance operation of soil discharging valve, after can also not needing honeycomb duct to take apart when being provided with conduction pipe on valve body and making to keep in repair, further do not repair again.Described pillar 3 also can adopt upper and lower two ends that screw thread is set, and described valve seat flange 22 arranges corresponding fixed hole pair with on barrier film seat flange 21, and pillar 3 is fixing by nut 11 through corresponding fixed hole.Certainly pillar 3 can also be welded on valve seat flange 22 and barrier film seat flange 21.
Claims (10)
1. a diaphragm mud-discharge valve, comprise the valve body, the valve rod (7) that are provided with hydraulic pressure cavity (20), in valve body, arrange the upper and lower separated diaphragm of hydraulic pressure cavity (20) (10), it is characterized in that: described diaphragm (10) upper and lower surface arranges respectively upper diaphragm pressing plate (12) and lower diaphragm pressing plate (18);
The through hole passing for valve rod (7) is set on diaphragm (10), upper diaphragm pressing plate (12) and lower diaphragm pressing plate (18), and valve rod (7) is fixedly connected with lower diaphragm pressing plate (18) with upper diaphragm pressing plate (12) through through hole;
Described diaphragm (10) is with upper diaphragm pressing plate (12) or/and the surface that lower diaphragm pressing plate (18) contacts arranges fixedly projection (17), and described upper diaphragm pressing plate (12) is or/and the groove that the surface that lower diaphragm pressing plate (18) contacts with diaphragm (10) arranges with fixedly projection (17) matches.
2. diaphragm mud-discharge valve according to claim 1, is characterized in that: the upper position contacting with upper diaphragm pressing plate (12) or lower diaphragm pressing plate (18) of described valve rod (7) arranges groove, and O RunddichtringO (13) is set in groove.
3. diaphragm mud-discharge valve according to claim 1, is characterized in that: described valve body also comprises valve gap (2) and barrier film seat (9), and described valve gap (2) and barrier film seat (9) are bolted and surround hydraulic pressure cavity (20).
4. diaphragm mud-discharge valve according to claim 3, it is characterized in that: described valve gap (2) top arranges closes valve water intake (1), described barrier film seat (9) arranges boss with the position that lower diaphragm pressing plate (18) contacts, and valve water intake (14) is opened in the position setting lower than boss height on described barrier film seat (9) wall.
5. diaphragm mud-discharge valve according to claim 4, it is characterized in that: the through hole passing for valve rod (7) is set on described barrier film seat (9), two y-type seal rings (15) are set in this through hole, described y-type seal ring (15) stack arranges, upward, the lip of the y-type seal ring (15) below being positioned at down for the lip of the y-type seal ring (15) above being positioned at.
6. diaphragm mud-discharge valve according to claim 5, is characterized in that: the flange (19) interting on valve rod (7) is set between described y-type seal ring (15) and lower diaphragm pressing plate (18), and the large end of flange (19) upward.
7. diaphragm mud-discharge valve according to claim 5, it is characterized in that: between described y-type seal ring (15) and barrier film seat (9) lower end surface, retaining washer (16) is set, on barrier film seat (9) lower end surface, arrange retaining washer (16) is sealed in to the shaft seal cover (8) in barrier film seat (9), shaft seal cover (8) is connected with barrier film seat (9) bolt.
8. diaphragm mud-discharge valve according to claim 7, is characterized in that: described valve body also comprises valve seat (6), and described valve rod (7) lower end connects flap (4), and the position that flap (4) contacts with valve seat (6) arranges valve clack sealing ring (5).
9. diaphragm mud-discharge valve according to claim 8, it is characterized in that: described barrier film seat (9) lower end surface arranges barrier film seat flange (21), the upper-end surface of described valve seat (6) arranges valve seat flange (22), and valve seat flange (22) is fixing by pillar (3) with barrier film seat flange (21).
10. diaphragm mud-discharge valve according to claim 8, it is characterized in that: described valve rod (7) two ends arrange screw thread, valve rod (7) upper end is through upper diaphragm pressing plate (12), and valve rod (7) lower end is through flap (4), and upper and lower end uses respectively nut (11) fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320384449.3U CN203477326U (en) | 2013-06-28 | 2013-06-28 | Diaphragm mud valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320384449.3U CN203477326U (en) | 2013-06-28 | 2013-06-28 | Diaphragm mud valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203477326U true CN203477326U (en) | 2014-03-12 |
Family
ID=50225657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320384449.3U Expired - Fee Related CN203477326U (en) | 2013-06-28 | 2013-06-28 | Diaphragm mud valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203477326U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074987A (en) * | 2014-06-12 | 2014-10-01 | 苏州固基电子科技有限公司 | Magnetic valve |
| EP2966331A1 (en) * | 2014-07-10 | 2016-01-13 | GEA Tuchenhagen GmbH | Hydraulic valve with membrane |
| CN105299303A (en) * | 2015-11-02 | 2016-02-03 | 合肥通用机械研究院 | High-pressure pollution discharge pneumatic valve |
| CN107387825A (en) * | 2017-07-31 | 2017-11-24 | 陈炯亮 | A kind of pressure-reducing valve |
| CN113767221A (en) * | 2019-04-03 | 2021-12-07 | 诺沃皮尼奥内技术股份有限公司 | Fully actuated valve for a reciprocating machine and reciprocating machine comprising such a valve |
-
2013
- 2013-06-28 CN CN201320384449.3U patent/CN203477326U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074987A (en) * | 2014-06-12 | 2014-10-01 | 苏州固基电子科技有限公司 | Magnetic valve |
| EP2966331A1 (en) * | 2014-07-10 | 2016-01-13 | GEA Tuchenhagen GmbH | Hydraulic valve with membrane |
| CN105299303A (en) * | 2015-11-02 | 2016-02-03 | 合肥通用机械研究院 | High-pressure pollution discharge pneumatic valve |
| CN107387825A (en) * | 2017-07-31 | 2017-11-24 | 陈炯亮 | A kind of pressure-reducing valve |
| CN107387825B (en) * | 2017-07-31 | 2024-04-05 | 陈炯亮 | Pressure reducing valve |
| CN113767221A (en) * | 2019-04-03 | 2021-12-07 | 诺沃皮尼奥内技术股份有限公司 | Fully actuated valve for a reciprocating machine and reciprocating machine comprising such a valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20140312 Termination date: 20160628 |