CN1070717C - Spray head provided with a pressure sensitive valve - Google Patents
Spray head provided with a pressure sensitive valve Download PDFInfo
- Publication number
- CN1070717C CN1070717C CN94190086A CN94190086A CN1070717C CN 1070717 C CN1070717 C CN 1070717C CN 94190086 A CN94190086 A CN 94190086A CN 94190086 A CN94190086 A CN 94190086A CN 1070717 C CN1070717 C CN 1070717C
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- China
- Prior art keywords
- valve rod
- outer cover
- inlet
- spring
- pressure
- 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
- 239000007921 spray Substances 0.000 title abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000008033 biological extinction Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- Nozzles (AREA)
- Bathtubs, Showers, And Their Attachments (AREA)
Abstract
The present invention relates to a spray head for a fire fighting device, which comprises a valve rod member, wherein the valve rod member is pressed in an inlet of the spray head because of elastic force, so that the valve rod member can keep the inlet to be close against the stand-by pressure of the fire fighting device, but a valve member yields to the pressure of a high-pressure liquid source so as to be convenient to transfer liquid to a spray nozzle of the spray head through a complete releasing pipe.
Description
The present invention relates to a kind of shower nozzle, this shower nozzle comprises an outer cover, a inlet in outer cover, the nozzle in outer cover, a releasing tube in outer cover, one in outer cover spring and be pressed in the second valve rod parts of outer cover inlet by spring.
WO92/22353 discloses a kind of shower nozzle, comprises a spring-biased valve element.When pressure was low (standby pressure), valve member was closed shower nozzle, and when pressure increases and valve member when opening, shower nozzle discharges.After discharging, when the pressure of inlet along with valve is opened when dropping to a value, valve member is closed inlet.This shower nozzle can not be opened by the mode of heating.
WO92/15370 discloses a kind of shower nozzle, comprises a valve rod element and a hot releasing tube.Only after hot releasing tube fragmentation, shower nozzle is just opened; Because shower nozzle can carry out pressure compensation, so, do not cause that in the pressure increase of shower nozzle inlet shower nozzle opens.
In many cases, preferably can begin to open whole one group and be generally adjacent shower nozzle from a shower nozzle of opening immediately because of catching fire.
The purpose of this invention is to provide a fire extinguishing sprayer, its can or by the high voltage startup of porch, though even be significantly less than the required high pressure of starting nozzle at the pressure in the porch thereafter, nozzle still can be held open; Perhaps started by the common mode of thermal fracture by releasing tube.So, if being set, a liquid accumulator transmits firing-fighting medium to shower nozzle, though its pressure descends when the accumulator emptying, shower nozzle also can be worked.
The invention provides a kind of shower nozzle, comprise an outer cover, inlet on one outer cover, one nozzle on outer cover, one releasing tube on outer cover, one spring in outer cover, be pressed against the second valve rod parts on the outer cover inlet with one by spring, it is characterized in that: the elastic force of spring can make the second valve rod parts overcome to act on inlet and make inlet keep closing towards the standby pressure of the second valve rod parts end regions of inlet, send liquid to nozzle but make it can yield to the pressure of high-pressure extinction liquid and open a passage, even and the releasing tube of when spring force acts on the releasing tube, also can not crushing from the nozzle that enters the mouth.
Hereinafter with reference to the schematic most preferred embodiment explanation the present invention shown in the accompanying drawing, in the accompanying drawings:
Fig. 1 has shown the valve that is in holding state;
Fig. 2 has shown the above-mentioned valve that is in starting state;
Fig. 3 has shown the connection figure of the fire-fighting equipment that is in holding state;
Fig. 4 to Fig. 6 has shown and has been in holding state, separately opening and first most preferred embodiment of the shower nozzle of opening in groups in the said equipment respectively.
Fig. 7 to Fig. 9 has shown second the best of shower nozzle in the mode identical with Fig. 4 to Fig. 6
Embodiment.
1 expression has the hydraulic accumulator of higher pressurising pressure (for example 200 crust) with reference to label.The accumulator 1 that also is referred to as elementary accumulator hereinafter comprises a delivery channel 2, on the tube wall of this conduit, preferably be provided with a plurality of perforates, so that as described in No. the 924752nd, the application for patent, transmit the fluid of accumulator and the mixture of fluid and driving gas respectively.The outlet valve that is connected with conduit 2 represents with label 3 that generally the inlet of this valve represents that with label 4 outlet is represented with label 5.Outlet 5 is connected with some automatic-opening shower nozzles 26 to 29 by lead-out wire 25, as shown in Figure 3.
According to Fig. 1, at 3 position of readiness places of valve, valve rod 6 has been closed leading between valve inlet 4 and the outlet 5.Valve rod 6 has an axially extending bore 7, this through hole makes outlet 5 be connected with liquid chamber 8, and 8 of liquid chambers and have small-sized (for example about 0.3 liter) hydraulic accumulator 9 of low pressurising pressure (for example 6 to 10 crust) and link to each other, and hereinafter, this accumulator also is referred to as secondary accumulator.
Valve rod 6 comprises a head 10, this head can resemble the similar piston between position shown in Figure 1 in liquid chamber 8 and the position shown in Figure 2 and move, in above-mentioned position shown in Figure 1, head 10 is close to the valve outer cover that contains valve rod 6, enter the mouth 4 to leading between the outlet 5 thereby closed, and in above-mentioned position shown in Figure 2,10 on head is close to convex shoulder 11, enters the mouth 4 to leading between the outlet 5 thereby opened.
In Fig. 1, valve rod 6 remains on the appropriate location because of the pressure that acts on the liquid chamber 8 on the valve rod head 10 and the spring 12 that is pressed on the valve rod head 10.In valve rod 6 active procedures, pressure that having formed in opposite direction enters the mouth acts on described valve rod end in 4 and elementary accumulator act on the pressure on the annular convex shoulder 13.
When the shower nozzle that links to each other with outlet 5 was opened, secondary accumulator 9 began to send liquid to described shower nozzle.Thus, pressure in the liquid chamber 8 can descend rapidly, so, accumulator 1 can produce the pressure that acts on convex shoulder 13, and described valve rod then begins to shift to the right side among Fig. 1, and, because valve rod 6 has arrived inlet 4 places towards the end of outlet 5, so this end can be subjected to the effect of elementary accumulator pressure, simultaneously, valve rod is pushed to the end position among Fig. 2 facing to retainer 11.The best elastic force of regulating spring 12 in such a way; The elastic force of this spring can push backwards to position shown in Figure 1 from position shown in Figure 2 with valve rod 6 after elementary accumulator is put pressure.
The check-valves 14 that is positioned at the through hole 7 of valve rod 6 can prevent that the pressure of elementary accumulator from entering liquid chamber 8 in position shown in Figure 2.Label 15 expression one Pressure gauge, label 16 then represent one can manual control standby unlocking unit, in Fig. 1 and Fig. 2, this opening device is that close and inoperative.
When catching fire, start one group of this class shower nozzle that also has releasing tube integral body, normally advantageous.The nozzle component that shower nozzle 26 to 29 among Fig. 3 comes to this, Fig. 4 to Fig. 6 have shown a most preferred embodiment of the shower nozzle that is used for this purpose.
Described shower nozzle has a common releasing tube 30, and this releasing tube engages with one first valve rod parts 31, and is subjected to pushing of spring 32, and the other end of spring 32 then makes one second valve rod parts 33 be close on the inlet drilling of described shower nozzle.The elastic force of regulating spring 32 in such a way: according to Fig. 4, the elastic force of this spring makes the second valve rod parts 33 push down the inlet of described shower nozzle when valve 3 on the elementary accumulator 1 is in state shown in Figure 1 promptly being installed on against whole pressure of secondary accumulator 9 under the situation of releasing tube 30 of not crushing.Therefore, these valve rod parts 33 can make with leading to of spray nozzle 34 and keep closing.
In Fig. 5, the effect crushed already or flame nearby of the releasing tube 30 of shower nozzle 26 is fusing down.Spring 32 had been run into valve rod parts 31 already downwards, and valve rod parts 33 can be run into the retainer 35 that is installed on the shower nozzle outer cover already thereupon under the effect of secondary accumulator 9 pressure.From the inlet of shower nozzle 26 to opening leading to its nozzle 34.
Therefore, as previously mentioned, the valve 3 on the elementary accumulator 1 will present state shown in Figure 2, and the pressure of this accumulator then can be in the porch to shower nozzle 27,28 and 29 generation effects.As shown in Figure 6, for example, the valve rod parts 33 of shower nozzle 29 will fit in retainer 35, and, from the inlet of this shower nozzle to opening leading to the nozzle 34.Preferably in such a way.The elastic force of regulating spring 32: according to Fig. 6, the elastic force of this spring is the releasing tube 30 of also can not crushing under the state of compression fully; The pressure that can be used for opening operation at conduit 35 places is set to such as 15 crust.
Fig. 7 to Fig. 9 has shown another kind of embodiment, and this embodiment can be installed on the wall and with the illustrated previous embodiment of reference Fig. 4 to Fig. 6 identical operation principle be arranged.Certainly, Fig. 4 can be independent of Fig. 1 and valve shown in Figure 2 use to shower nozzle shown in Figure 9, and Fig. 1 and valve shown in Figure 2 do not include the shower nozzle of Fig. 4 to Fig. 9 in part.
Concerning large-scale equipment, the present invention can be applicable to the hydraulic accumulator and/or the high-pressure pump of any amount.Concerning shower nozzle, nozzle, in groups release and other device, all can use in all cases such as the content that in international patent application book PCT/FI92/00060, PCT/FI92/00122, PCT/FI92/00155, PCT/FI92/00156, PCT/FI92/00193, PCT/FI92/00123, PCT/FI92/00316, PCT/FI92/00317 and PCT/FI92/00330, had illustrated already.
Claims (3)
1. shower nozzle, comprise an outer cover, inlet on one outer cover, one nozzle (34) on outer cover, one releasing tube (30) on outer cover, one spring (32) in outer cover, be pressed against the second valve rod parts (33) on the outer cover inlet with one by spring (32), it is characterized in that: the elastic force of spring (32) can make the second valve rod parts (33) overcome to act on inlet and make inlet keep closing towards the standby pressure of the second valve rod parts end regions of inlet, send liquid to nozzle (34) but make it can yield to the pressure of high-pressure extinction liquid and open a passage, even and the releasing tube (30) of when spring force acts on the releasing tube, also can not crushing from the nozzle that enters the mouth (34).
2. shower nozzle as claimed in claim 1, it is characterized in that: the shower nozzle element comprises one first valve rod parts (31), releasing tube (30) engages with the first valve rod parts (31), and be subjected to pushing of spring (32) first ends, second end of spring (32) then makes the second valve rod parts (33) be close on the inlet of outer cover, the second valve rod parts (33) one greater than the pressure effect of standby pressure under inwardly motion, inwardly the moving through of the second valve rod parts run into one on the outer cover fixed stop (35) and be limited.
3. shower nozzle as claimed in claim 2 is characterized in that: the elastic force of regulating spring (32) in such a way, make when the second valve rod parts (33) are run into retainer (35), and releasing tube (30) can be not crushed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94190086A CN1070717C (en) | 1994-01-31 | 1994-01-31 | Spray head provided with a pressure sensitive valve |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI930,417 | 1993-01-29 | ||
| CN94190086A CN1070717C (en) | 1994-01-31 | 1994-01-31 | Spray head provided with a pressure sensitive valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1102929A CN1102929A (en) | 1995-05-24 |
| CN1070717C true CN1070717C (en) | 2001-09-12 |
Family
ID=5039518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94190086A Expired - Fee Related CN1070717C (en) | 1994-01-31 | 1994-01-31 | Spray head provided with a pressure sensitive valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1070717C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103736232A (en) * | 2008-07-12 | 2014-04-23 | 韩铁夫 | Spraying device with front heat-sensitive mechanism |
| CN111537136A (en) * | 2020-06-05 | 2020-08-14 | 安徽威特仪表科技有限公司 | Air pressure detecting meter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992022353A1 (en) * | 1991-06-19 | 1992-12-23 | Sundholm Goeran | Method and equipment for fire fighting |
-
1994
- 1994-01-31 CN CN94190086A patent/CN1070717C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992022353A1 (en) * | 1991-06-19 | 1992-12-23 | Sundholm Goeran | Method and equipment for fire fighting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1102929A (en) | 1995-05-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: MARIOFF CORP. OY Free format text: FORMER OWNER: GARAN SUNDHOLM Effective date: 20011116 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20011116 Address after: Finland Vantaa Patentee after: Marioff OY Address before: Finland, Sura Patentee before: Goeran Sundholm |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20010912 Termination date: 20110131 |