CN2926757Y - Isolated antifouling drainer - Google Patents
Isolated antifouling drainer Download PDFInfo
- Publication number
- CN2926757Y CN2926757Y CN 200620043365 CN200620043365U CN2926757Y CN 2926757 Y CN2926757 Y CN 2926757Y CN 200620043365 CN200620043365 CN 200620043365 CN 200620043365 U CN200620043365 U CN 200620043365U CN 2926757 Y CN2926757 Y CN 2926757Y
- Authority
- CN
- China
- Prior art keywords
- valve
- hydathode
- outlet end
- entrance point
- valve body
- 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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- Details Of Valves (AREA)
Abstract
The utility model discloses a dirt resistance drainage device of complete separating type. A valve of the drainage device is firmly connected with a valve cover at an outlet end and a valve cover at an inlet end through connecting fixed bolts. The utility model is characterized in that: an outlet end film is arranged between the valve cover at the outlet end and the valve of the drainage device; while an inlet end film is arranged between the valve cover at the inlet end and the drainage device. The utility model has a reasonable structure and artful design. Due to the structure with two films, the pressure on the inlet end and the outlet end of the valve can be sensed at the same time, and a status of complete opening is always kept, thereby the communication capacity is large; when the leakage of a master valve is serious, owing to the non-sensing process, the leaked medium can flow out from an water outlet, which avoids the phenomenon in which the pressure at a middle chamber inside the master valve is larger than that at the inlet, therefore, the performance of dirt-proof and separating of the master valve is guaranteed, and the utility model has a popularization value.
Description
Technical field
The utility model relates to the valve technology field, specifically, relates to a kind of drainage means of valve.
Background technique
Present hydathode is only responded to the pressure of entrance point and intermediate cavity.Its defective is: when main valve leaks when serious, before discharging the main valve leaking medium, an induction process need be arranged, thereby easily cause main valve intermediate cavity pressure greater than entrance point pressure may, the antifouling interrupting performance of main valve was lost efficacy, drainage capacity is less simultaneously.
Summary of the invention
The purpose of this utility model is, provides a kind of and can effectively overcome above-mentioned defective, can guarantee the totally separating type anti-soil draining equipment of the antifouling interrupting performance of main valve.
For achieving the above object, the utility model adopts following technological scheme: a kind of totally separating type anti-soil draining equipment, hydathode valve body and outlet end valve gap, the entrance point valve gap is connected and fixed by being connected and fixed bolt, it is characterized in that: be provided with the outlet end diaphragm between outlet end valve gap and the hydathode valve body, be provided with the entrance point diaphragm between entrance point valve gap and the hydathode, be provided with outlet induction valve shaft and import induction valve shaft between outlet end diaphragm and the entrance point diaphragm, be provided with caulking gum between the two induction valve shafts, caulking gum and hydathode valve body form sealing pair, the nearly entrance point diaphragm of hydathode valve body place offers equalizing orifice, wherein offer outlet pressure induction mouth on the outlet end valve gap, offer inlet pressure induction mouth on the entrance point valve gap, offer the intermediate cavity interface on the hydathode valve body, offer drain opening under the hydathode valve body.
Because adopt such scheme, be not difficult to draw as drawing a conclusion: the utility model is rational in infrastructure, is skillfully constructed, owing to adopt two diaphragm structures,, be in full-gear all the time so can respond to main valve inlet/outlet end pressure simultaneously, negotiability is bigger, when main valve leaks when serious, since non-inductive process, the medium that is leaked, can directly discharge from drain opening, can not cause the phenomenon of main valve intermediate cavity pressure, thereby guarantee the antifouling interrupting performance of main valve, have promotional value greater than inlet pressure.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail.
Accompanying drawing is a structural representation of the present utility model.
Embodiment
A kind of totally separating type anti-soil draining equipment, hydathode valve body 3 and outlet end valve gap 1, entrance point valve gap 6 is connected and fixed by being connected and fixed bolt 7, be provided with outlet end diaphragm 2 between outlet end valve gap 1 and the hydathode valve body 3, be provided with entrance point diaphragm 5 between entrance point valve gap 6 and the hydathode 3, be provided with outlet induction valve shaft 9 and import induction valve shaft 8 between outlet end diaphragm 2 and the entrance point diaphragm 5, be provided with caulking gum 4 between the two induction valve shafts, caulking gum 4 forms sealing pair with the hydathode valve body, hydathode valve body 3 nearly entrance point diaphragms 5 places offer equalizing orifice 14, wherein offer outlet pressure induction mouth 10 on the outlet end valve gap 1, offer inlet pressure induction mouth 11 on the entrance point valve gap 6, offer intermediate cavity interface 12 on the hydathode valve body 3, the hydathode valve body offers drain opening 13 3 times, is provided with seal ring 15 between hydathode valve body 3 and the import induction valve shaft 8.During use, hydathode inlet pressure induction mouth is connected with the inlet tube of main valve, outlet pressure induction mouth is connected with the outer pipe of main valve, and the intermediate cavity interface is connected with the middle lumen of main valve.When the main valve inlet pressure greater than outlet pressure, main valve is opened, and the power of responding on the entrance point diaphragm makes import induction valve shaft, outlet induction valve shaft, caulking gum contact with the sealing surface of hydathode valve body greater than the power of responding on the outlet end diaphragm, form sealing, hydathode reliably cuts out.When the outlet pressure of main valve greater than, when equaling inlet pressure, main valve is closed, the pressure of responding on the outlet end diaphragm is greater than the pressure of responding on the entrance point diaphragm, by outlet induction valve shaft, import induction valve shaft caulking gum is separated with sealing surface on the hydathode valve body, hydathode is opened, the pressure that makes the main valve intermediate cavity is zero, once producing, any Sealing of main valve leaks, leak medium all from hydathode intermediate cavity interface by flowing to drain opening between hydathode valve body and the caulking gum, row is outside, thereby avoids main valve entrance point medium contaminated.
Claims (1)
1, a kind of totally separating type anti-soil draining equipment, hydathode valve body and outlet end valve gap, the entrance point valve gap is connected and fixed by being connected and fixed bolt, it is characterized in that: be provided with the outlet end diaphragm between outlet end valve gap and the hydathode valve body, be provided with the entrance point diaphragm between entrance point valve gap and the hydathode, be provided with outlet induction valve shaft and import induction valve shaft between outlet end diaphragm and the entrance point diaphragm, be provided with caulking gum between the two induction valve shafts, caulking gum and hydathode valve body form sealing pair, the nearly entrance point diaphragm of hydathode valve body place offers equalizing orifice, wherein offer outlet pressure induction mouth on the outlet end valve gap, offer inlet pressure induction mouth on the entrance point valve gap, offer the intermediate cavity interface on the hydathode valve body, offer drain opening under the hydathode valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620043365 CN2926757Y (en) | 2006-06-28 | 2006-06-28 | Isolated antifouling drainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620043365 CN2926757Y (en) | 2006-06-28 | 2006-06-28 | Isolated antifouling drainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2926757Y true CN2926757Y (en) | 2007-07-25 |
Family
ID=38281004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620043365 Expired - Lifetime CN2926757Y (en) | 2006-06-28 | 2006-06-28 | Isolated antifouling drainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2926757Y (en) |
-
2006
- 2006-06-28 CN CN 200620043365 patent/CN2926757Y/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 |
Granted publication date: 20070725 |
|
| EXPY | Termination of patent right or utility model |