CN206478280U - Dry type alarm valve - Google Patents
Dry type alarm valve Download PDFInfo
- Publication number
- CN206478280U CN206478280U CN201720097802.8U CN201720097802U CN206478280U CN 206478280 U CN206478280 U CN 206478280U CN 201720097802 U CN201720097802 U CN 201720097802U CN 206478280 U CN206478280 U CN 206478280U
- Authority
- CN
- China
- Prior art keywords
- flap
- valve
- dry type
- fire
- sealing ring
- 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
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Abstract
A kind of dry type alarm valve, is flap button type seal style using biasing flap all-pass formula structure, profile is in urceolus；Valve seat interference edge is carved in valve body, and sealing ring full-embedded type is arranged on the downside of flap, is fastened by clip plate, outer plate with screw, and flap is fixed on the right side of valve body by pivot pin；Compressed air is filled in usually water receiving source below dry type alarm valve, top, and flap is fallen within valve seat, is closed；During fire, the automatic sprinkler explosion above dry type alarm valve, compressed air is released, and flap is opened under the promotion at lower section water source, fire extinguishing of supplying water, while a part of water flows through pipeline output alarm, opens pump signal, category fire-fighting fire extinguishing field；Solve that conventional dry alarm valve flap offset error is big, sealing ring is often gone out, long-term seepage the problem of, improve assembly precision, reduce maintenance workload；It is made up of valve body, flap, pivot pin, valve seat, sealing ring, clip plate, outer plate；It is with a wide range of applications in logistic storage, freezer, parking systems.
Description
Technical field
The utility model be related to it is a kind of for fire protection sector, below valve filled with fire water supply, top filled with compressed air,
Usually it is closed；One or many automatic sprinkler explosions in pipe network above dry type alarm valve, dry type alarm valve is certainly
It is dynamic to open, supply water and perform fire extinguishing into pipe network；It is flap button type seal style, profile using biasing flap all-pass formula structure
In urceolus, belong to fire-fighting fire extinguishing field.
Background technology
Existing national standard GB5135.4-2003 dry type alarm valves, the double-shaft shoulder spacing of flap side is smaller, flap, pivot pin and valve
There is larger offset error in the cooperation of seat, under the influence of mechanical oscillation and pressure oscillation, seepage often occur；Sealing ring is adopted
Designed with non-full-embedded type, pressing plate external diameter has larger gap with sealing ring inner ring, in pressure oscillation and valve opening, sealing
Circle is rushed out often, produces seepage；Maintenance, maintenance work amount are big；Such dry type alarm valve can not meet logistic storage, cold
Storehouse, underground garage, parking systems, the application requirement of railway platform.
The content of the invention
In order to the flap offset error for solving conventional dry alarm valve is big, sealing ring is rushed out, frequent seepage the problem of, subtract
The deflection angle of few flap, strengthens sealing ring positioning performance, improves the assembly precision of dry type alarm valve, reduces maintaining work
Measure, it is ensured that the sealing reliability of longtime running.The utility model provides a kind of dry type alarm valve, using biasing flap all-pass formula
Structure, is flap button type seal style, and profile is in urceolus；Improve dry type alarm valve continuing in vibration, pressure oscillation
Sealing property.The utility model is before logistic storage, freezer, underground garage, parking systems, railway platform have a wide range of applications
Scape.
What the utility model was realized in：Dry type alarm valve is by valve body (1), flap (2), pivot pin (3), valve seat (4), close
Seal (5), clip plate (6), screw (7), outer plate (8) composition.Valve seat interference edge is carved among valve body, the embedded peace of sealing ring
On the downside of flap, fastened by clip plate, outer plate with screw, flap is fixed on the right side of valve body by pivot pin；Usually dry type is alarmed
Fire water supply is connect below valve, top is seated on valve seat filled with compressed air, flap buckle closure, seals up water source chamber, atmosphere chamber, pressure
Contracting air chamber, is in dry type alarm valve and closes sealing state, atmosphere chamber ne-leakage；During fire, pipe network above dry type alarm valve
In one or many automatic sprinkler temperature-sensitive explosions, compressed air is released, the pressure above flap declines, and flap is in lower section fire-fighting
Under the promotion at water source, be flipped open, put out a fire to pipe network water supply, at the same a part of water flow through atmosphere chamber, alarm pipeline output alarm,
Open pump signal.
The beneficial effects of the utility model are：Flap deflection angle is reduced, strengthens sealing ring positioning performance, dry type is improved
The assembly precision of alarm valve, reduces maintenance work amount, it is ensured that dry type alarm valve is lasting close in vibration, pressure oscillation
Seal reliability.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is section of structure of the present utility model.
Fig. 2 is outline drawing of the present utility model.
Fig. 3 is flap top view of the present utility model.
Fig. 4 is flap profile of the present utility model.
Embodiment
Dry type alarm valve is made up of valve body, flap, pivot pin, valve seat, sealing ring, clip plate, screw, outer plate.Using inclined
The full formula of flap is put, is flap button type seal style, profile is in urceolus, there is provided water source chamber, atmosphere chamber, compressed air
Chamber；Valve seat interference edge is carved among valve body, and sealing ring installation by adhering is tight with screw by clip plate, outer plate on the downside of flap
Gu, flap is fixed on the right side of valve body by pivot pin；Usually connect fire water supply below dry type alarm valve, top filled with fire water supply pressure
The proportional compressed air of power, flap buckle closure is seated on valve seat, is sealed up water source chamber, atmosphere chamber, compressed air cell, is made
Dry type alarm valve, which is in, closes sealing state, and atmosphere chamber is without permeation leak；During fire, one above dry type alarm valve in pipe network
Or many automatic sprinkler temperature-sensitive explosions, compressed air is released, the pressure above flap declines, and flap is pushed away lower section fire water supply
Under dynamic, it be flipped open, put out a fire to pipe network water supply, while a part of water flows through atmosphere chamber, alarm pipeline output alarm, opens pump letter
Number.The technical scheme in the invention for solving the technical problem is：By this dry type alarm valve of hydrodynamics three dimensional design
Core component-flap, using the inner concave structure of full-embedded type sealing ring, large span flap double-shaft shoulder spacing：Using greatly across
Bottom valve valve double-shaft shoulder line space design, the double-shaft shoulder gap ratio small 10mm of flap external diameter, increases 85mm than existing spacing, reduces
Flap surrounds the deflection angle error in pivot pin direction, on the premise of ensureing that flap keying is active, improves flap, pivot pin and valve
The fit precision of seat；Using the inner concave structure of full-embedded type sealing ring, sealing ring is not substantially exposed, resists pressure oscillation performance
By force, using the big external diameter pressing plate for having fit precision with sealing ring inner ring, strengthen sealing ring positioning performance, solve sealing ring easily quilt
The problem of going out；Sealing ring overturns collocation structure using lips type, and the antelabium contacted with water source chamber outwards overturns compensation, with air
The antelabium of chamber contact inwardly overturns compensation, improves lasting seals of the dry type alarm valve in vibration, hydraulic pressure/air pressure fluctuation
Energy.
1) valve body uses spheroidal graphite cast-iron, and clip plate uses copper with outer plate, and flap, valve seat, pivot pin, screw are using stainless
Steel, sealing ring is using molding ethylene propylene diene rubber；
2) rated operating pressure：1.2MPa；
3) metered flow：8500L/min；
4) sealing test：2.4MPa, no deformation, ne-leakage；
5) flow resistance loses：0.012MPa；
6) Applicable media：Water, air；
7) working pressure range：0.14-1.2MPa；
8) it is suitable to environment temperature and is less than 4 DEG C or the place higher than 70 DEG C；
9) mounting means：It is upright to install.
Claims (2)
1. a kind of fire-fighting dry type alarm valve, it is characterized in that being flap button type closed type using biasing flap all-pass formula structure
Formula, profile is in urceolus；Dry type alarm valve is by valve body (1), flap (2), pivot pin (3), valve seat (4), sealing ring (5), clip plate
(6), screw (7), outer plate (8) composition；Valve seat interference edge carve among valve body, sealing ring installation by adhering on the downside of flap,
Fastened by clip plate, outer plate with screw, flap is fixed on the right side of valve body by pivot pin；Usually fire water is connect below dry type alarm valve
Source, top is seated on valve seat filled with the compressed air proportional with fire water supply pressure, flap buckle closure, seals up water source
Chamber, atmosphere chamber, compressed air cell, are in dry type alarm valve and close sealing state, atmosphere chamber is without permeation leak；During fire, do
One or many automatic sprinkler temperature-sensitive explosions above formula alarm valve in pipe network, compressed air is released, under the pressure above flap
Drop, flap is flipped open under the promotion of lower section fire water supply, put out a fire to pipe network water supply, while a part of water flow through atmosphere chamber,
Alarm pipeline output is alarmed, opens pump signal.
2. dry type alarm valve according to claim 1, it is characterized in that flap uses the inner concave knot of full-embedded type sealing ring
Structure, the flap double-shaft shoulder spacing of large span.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720097802.8U CN206478280U (en) | 2017-01-22 | 2017-01-22 | Dry type alarm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720097802.8U CN206478280U (en) | 2017-01-22 | 2017-01-22 | Dry type alarm valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206478280U true CN206478280U (en) | 2017-09-08 |
Family
ID=59754372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720097802.8U Expired - Fee Related CN206478280U (en) | 2017-01-22 | 2017-01-22 | Dry type alarm valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206478280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642630A (en) * | 2017-11-03 | 2018-01-30 | 宝钢工程技术集团有限公司 | Gas chamber gas bleeding valve |
-
2017
- 2017-01-22 CN CN201720097802.8U patent/CN206478280U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642630A (en) * | 2017-11-03 | 2018-01-30 | 宝钢工程技术集团有限公司 | Gas chamber gas bleeding 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: 20170908 Termination date: 20180122 |