CN203309184U - Diaphragm valve keeping maximum opening - Google Patents
Diaphragm valve keeping maximum opening Download PDFInfo
- Publication number
- CN203309184U CN203309184U CN2013203227592U CN201320322759U CN203309184U CN 203309184 U CN203309184 U CN 203309184U CN 2013203227592 U CN2013203227592 U CN 2013203227592U CN 201320322759 U CN201320322759 U CN 201320322759U CN 203309184 U CN203309184 U CN 203309184U
- Authority
- CN
- China
- Prior art keywords
- valve
- control unit
- maximum opening
- barrier film
- control
- 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 - Lifetime
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- Fluid-Driven Valves (AREA)
Abstract
The utility model discloses a diaphragm valve keeping maximum opening. A control unit (7) is arranged on a valve body (1); the control unit (7) is connected with an inlet cavity (3), and is connected with an outlet cavity (4) through a one-way valve (6); the control unit (7) is further directly connected with a valve core (2) driving device in a control cavity (5). According to the structure, liquid is prevented from draining outwards, and the valve can be kept in a maximum opening state, so that the defects of incomplete opening of a two-way valve and outward draining of liquid in a three-way valve in the prior art are overcome. The device has the advantages of simple structure, high cost performance, easiness in producing, maintaining and applying, and excellent application effect.
Description
Technical field
The utility model belongs to F16K control valve unit technology, especially keeps the barrier film valve of maximum opening.
Background technique
In prior art, existing membrane valve has two kinds of control modes, and a kind of is in the valve open process, control chamber to be communicated with atmosphere, and the liquid working media in control chamber is discharged in atmosphere simultaneously, the advantage of this mode is that valve opening is abundant, and shortcoming is to have liquid working media to discharge outside valve body; Another kind is discharged to outlet plenum by the liquid working media in control chamber in the valve open process, the advantage of this mode is not have the working medium expulsion valve external, but being control chamber, shortcoming outlet pressure is arranged as back pressure, when back pressure is more greatly that valve inlet chamber and outlet plenum pressure reduction hour will cause valve opening insufficient.
200,920,246,424 1 kinds of valve opening locating and detecting devices of Chinese patent application, belong to the fluid technique field.This device comprises Hudrodynamic lubrication pipeline (1), valve openings degree fixture (2), manually-operated gate (3), approach switch (4); It is upper that manually-operated gate (3) is fixed on pipeline (1) with valve opening positioning work piece (2), and approach switch (4) is arranged on valve openings degree fixture (2).Advantage is: the opening degree that can be good at limiter valve.
But, do not find that through retrieval practical improvement technology is open.
Summary of the invention
The purpose of this utility model is to provide the barrier film valve that keeps maximum opening, and the advantage of above two schemes is organically combined, and neither to exterior liquid, can make again valve remain on maximum opening state.
Realize that goal of the invention measure of the present utility model is: control unit is installed on valve body, and control unit connects into oral cavity and outlet plenum simultaneously, and control unit directly connects the device for driving valve body in control chamber.
The utility model has the advantage of, adopt the control unit of installing on valve body to connect into simultaneously oral cavity and outlet plenum, and control unit directly connects the device for driving valve body in control chamber, realize neither to exterior liquid, can making again valve remain on maximum opening state, structure is brief and concise, and avoiding the people is the misoperation valve, the device cost performance is high, be easy to produce, transport, safeguard and use, energy-conserving and environment-protective, effect is outstanding.
The accompanying drawing explanation
Fig. 1 is the structural representation in the utility model, and wherein valve pocket is opened fully.
Fig. 2 is that the middle valve pocket in the utility model is closed schematic diagram fully
Reference character comprises:
Valve body 1, spool 2, entrance cavity 3, outlet plenum 4, control chamber 5, one-way valve 6, control unit 7.
Embodiment
The utility model mainly comprises valve body 1, spool 2, entrance cavity 3, outlet plenum 4, control chamber 5, one-way valve 6 and control unit 7.
Wherein, the 2 rear portion mounting spring devices of the spool in control chamber 5.
Wherein, valve control unit 7 adopts manual control, electrical control or waterpower to control.
As described in Figure 1, under control unit 7 drove, at control chamber 5 internal volumes hour, valve pocket aperture maximum, opened fully.
As described in accompanying drawing 2, under control unit 7 drove, when control chamber 5 internal volumes were maximum, valve pocket aperture maximum, opened fully.
In the utility model, in control unit 7 and passage that outlet plenum 4 is connected, one-way valve 6 is installed.
In the utility model, one-way valve 6 and control unit 7,4 three part relative separation of outlet plenum, and link together by pipeline.
In the utility model, one-way valve 6 is together with the integrated structure of control unit 7 employing is fixed on.
In the utility model, one-way valve 6 is fixedly mounted on valve body 1, or is arranged on outlet plenum 4, namely adopts integral structure.
In the utility model, one-way valve 6 adopts integral structure with valve body 1, outlet plenum 4 and control unit 7.
In above embodiment, do not reach the safety of narration, and mounting technique, and the employing prior aries such as other necessary technologies that relate to enforcement, enumerate no longer successively detailed description.
Claims (8)
1. keep the barrier film valve of maximum opening, it is characterized in that, the upper control unit (7) of installing of valve body (1), control unit (7) connects into oral cavity (3) and outlet plenum (4) simultaneously, and control unit (7) directly connects spool (2) drive unit in control chamber (5).
2. the barrier film valve of maintenance maximum opening as claimed in claim 1, is characterized in that, spool (2) the rear portion mounting spring device in control chamber (5).
3. the barrier film valve of maintenance maximum opening as claimed in claim 1, is characterized in that, valve control unit (7) adopts manually control, electrical control or waterpower to control.
4. the barrier film valve of maintenance maximum opening as claimed in claim 1, is characterized in that, in control unit (7) and passage that outlet plenum (4) is connected, one-way valve (6) is installed.
5. the barrier film valve of maintenance maximum opening as claimed in claim 1, is characterized in that, one-way valve (6) and control unit (7), (4) three part relative separation of outlet plenum, and link together by pipeline.
6. the barrier film valve of maintenance maximum opening as claimed in claim 1, is characterized in that, one-way valve (6) is together with the integrated structure of control unit (7) employing is fixed on.
7. the barrier film valve of maintenance maximum opening as claimed in claim 1, is characterized in that, it is upper that one-way valve (6) is fixedly mounted on valve body (1), or it is upper to be arranged on outlet plenum (4), namely adopts integral structure.
8. the barrier film valve of maintenance maximum opening as claimed in claim 1, is characterized in that, one-way valve (6) adopts integral structure with valve body (1), outlet plenum (4) and control unit (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203227592U CN203309184U (en) | 2013-06-06 | 2013-06-06 | Diaphragm valve keeping maximum opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203227592U CN203309184U (en) | 2013-06-06 | 2013-06-06 | Diaphragm valve keeping maximum opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203309184U true CN203309184U (en) | 2013-11-27 |
Family
ID=49615397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203227592U Expired - Lifetime CN203309184U (en) | 2013-06-06 | 2013-06-06 | Diaphragm valve keeping maximum opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203309184U (en) |
-
2013
- 2013-06-06 CN CN2013203227592U patent/CN203309184U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |