CN103939646A - Dry type alarm valve - Google Patents
Dry type alarm valve Download PDFInfo
- Publication number
- CN103939646A CN103939646A CN201410202642.XA CN201410202642A CN103939646A CN 103939646 A CN103939646 A CN 103939646A CN 201410202642 A CN201410202642 A CN 201410202642A CN 103939646 A CN103939646 A CN 103939646A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- dry type
- flap
- type alarm
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 210000004907 gland Anatomy 0.000 claims description 16
- 239000007858 starting material Substances 0.000 claims description 10
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0486—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with mechanical actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
Abstract
The invention discloses a dry type alarm valve which comprises a valve body, wherein the valve body comprises an upper valve body and a lower valve body which are buckled correspondingly. A water outlet and a water inlet are correspondingly formed in the upper valve body and the lower valve body respectively, an intermediate valve chamber is formed in the valve body, the upper end and the lower end of the intermediate valve chamber are communicated with the water outlet and the water inlet respectively, and a valve clack mechanism penetrates through the upper end and the lower end of the intermediate valve chamber in a matching mode. The dry type alarm valve completely changes structural design of the traditional dry type alarm valve. By means of the intermediate valve chamber, the alarm valve is opened by means of priority differential pressure, therefore, the alarm valve is more compact and reasonable in structure, the differential pressure ratio of sealing gas to high-pressure water is wider, pressure of sealing gas inflating a fire protection water-sprinkling extinguishment pipeline is decreased, and the function of the alarm valve is achieved more easily.
Description
Technical field
What the present invention relates to is a kind of fire-fighting equipment field, more specifically says a kind of dry type alarm valve, is mainly used in fire-fighting fire extinguishing and alarm system.
Background technique
Dry type alarm valve is the automanual control valve of the one in fire-fighting automatic sprinkling system, it is the pressurized gas that fills to seal at its outlet side, when air pressure is during lower than a certain setting value, can make high pressure water automatically flow in Sprinkler system and the one-way cock of reporting to the police.Traditional dry type alarm valve is all poor startup of direct pressure that utilizes pressurized gas and high pressure fire fighting water, so in the time of the state of equilibrium of its maintenance and high pressure fire fighting water, the pressurized gas of larger pressure just need to be arranged at flap top, and also more complicated of the internal structure of traditional alert valve.
On the other hand, dry type alarm valve is to need automatically to connect water source, and does not allow automatic closing water source, when it starts after use, the necessary hand reset of flap, this specific character just requires the flap of dry type alarm valve after unlatching, must be equiped with the resetting-mechanism that prevents that flap from resetting on valve body.And most resetting-mechanism is all structure or other the mechanical structure that adopts flap mono-pendulum type, these structures or require the size of valve body huger, otherwise because after working long hours, easily there is bubble-tight problem in valve body.
Summary of the invention
Disclosed by the invention is a kind of dry type alarm valve, and its main purpose is to overcome prior art above shortcomings and shortcoming.Change the internal structure of conventional dry alarm valve, can make the air pressure of the pressurized gas sealing less, utilize the pressure reduction of leading type more easily to realize the startup of dry type alarm valve, and the structure that the anti-resetting means of this alarm valve adopts more rationally, apply and to realize effect more effective.
The technical solution used in the present invention is as follows:
A kind of dry type alarm valve, comprise valve body, this valve body comprises corresponding upper valve body and the lower valve body fastening, upper valve body and lower valve body corresponding water outlet and the water intake of being provided with respectively, in described valve body, be provided with an intermediate valve chamber, this intermediate valve chamber upper, lower two ends are connected with water intake with described water outlet respectively, and this intermediate valve chamber is upper, the cooperation of lower two ends is equipped with a flap mechanism, this flap mechanism from top to bottom comprises guide's flap and main valve clack successively, this guide's flap is coordinated and is connected by piston with main valve clack, and the work area of the guide's flap setting that matches with piston area, on described intermediate valve chamber, be also provided with the pipeline being communicated with outside, this pipeline is connected with described water intake, the top of described intermediate valve chamber is provided with a loop network being communicated with outside, and described guide's valve clack cover is located at the entrance point of this loop network, and the outlet end of loop network is connected with an anti-resetting means.
Further, be equiped with the starter gate valve of Normally closed type on described pipeline, this device for cleaning pipeline is crossed starter gate valve and is connected with described loop network.
Further, described starter gate valve is electromagnetic trigger valve or manually boots valve.
Further, described main valve clack is also connected with described intermediate valve chamber by stage clip.
Further, described anti-resetting means is an air sealing valve, and this air sealing valve comprises the gentle envelope valve pocket of sealing gland flap that matches and arrange, and this sealing gland flap can slide along the internal chamber wall of sealing gland valve pocket.
Further, described air sealing valve is provided with a hand push key resetting for promoting this sealing gland flap.
Further, described air sealing valve is also connected with the water intake of described lower valve body.
Further, described lower valve body is provided with warning water hole, and the entrance point in described main valve clack and this warning water hole closing lid that matches is established.
Further, on described intermediate valve chamber, be also provided with one for being communicated with the annular flow channel of described upper valve body and lower valve body.
Known by the above-mentioned description of this invention, compared to the prior art, the invention has the advantages that:
The present invention has changed inside composition structure and the implementation of conventional dry alarm valve completely, by intermediate valve chamber and suitable flap mechanism are with it set, utilize leading type pressure reduction, substep starts each flap, not only make valve inner compact and reasonable more, and can make the atmospheric pressure value of the seal compression gas of flap mechanism top become smaller, more easily realize the function of alarm valve.On the other hand, structure and the mode of the present invention to anti-resetting means resets, and more reliably, easily realize, anti-resetting means, as long as once startup, just cannot automatically reset the function that realizes anti-resetting means, and structure is more reasonable, and effect is more obvious.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of the anti-resetting means of the present invention.
Embodiment
Carry out with reference to the accompanying drawings to illustrate further the specific embodiment of the present invention.
As Fig. 1, shown in Fig. 2, a kind of dry type alarm valve, comprise valve body 1, this valve body 1 comprises the corresponding upper valve body fastening 11 and lower valve body 12, upper valve body 11 and lower valve body 12 corresponding water outlet 111 and the water intake 121 of being provided with respectively, lower valve body 12 is provided with warning water hole 122, be provided with an intermediate valve chamber 3 in the inside of valve body 1, this intermediate valve chamber 3 upper, lower two ends are connected with water intake 121 with water outlet 111 respectively, and this intermediate valve chamber 3 is upper, the cooperation of lower two ends is equipped with a flap mechanism, as shown in Figure 1, on intermediate valve chamber 3, be also provided with one for being communicated with the annular flow channel 31 of upper valve body 11 and lower valve body 12.
As Fig. 1, shown in Fig. 2, above-mentioned flap mechanism from top to bottom comprises guide's flap 41 and main valve clack 42 successively, this guide's flap 41 coordinates by piston 43 setting that is connected with main valve clack 42, and the work area of guide's flap 41 setting that matches with piston 43 work areas, can be set to 5:1 or 6:1 etc., according to actual conditions setting, adjust flexibly the air pressure of guide's flap 41 top pressurized gas according to guide's flap 41 and the work area of piston 43, and 41 cooperations of guide's flap are installed between the upper end-hole of intermediate valve chamber 3 and the water outlet 111 of upper valve body 11, and main valve clack 42 cooperations are installed between the lower end mouth of intermediate valve chamber 3 and the water intake 121 of lower valve body 12, main valve clack 42 and the entrance point in this warning water hole 122 closing lid that matches is established.Main valve clack 42 is also connected with intermediate valve chamber 3 by a stage clip 5, and this stage clip 5 can make main valve clack 5 reset and can prevent that main valve clack 42 from coming off.
As shown in Figure 1, on intermediate valve chamber 3, be also provided with the pipeline 7 being communicated with outside, this pipeline 7 is connected with water intake 121, the top of intermediate valve chamber 3 is provided with a loop network 9 being communicated with outside, above-mentioned guide's flap 41 lids are located at the entrance point of this loop network 9, and the outlet end of loop network 9 is connected with an anti-resetting means.On pipeline 7, be equiped with the starter gate valve 6 of Normally closed type, this starter gate valve 6 is generally electromagnetic trigger valve 61, also can be for manually booting valve 62, and this pipeline 7 is connected with loop network 9 by starter gate valve 6.
As shown in Figure 1 and Figure 2, this anti-resetting means is an air sealing valve 8, this air sealing valve 8 comprises: the sealing gland flap 81 being equipped with and sealing gland valve pocket 82, this sealing gland flap 81 can slide along the internal chamber wall of sealing gland valve pocket 82, and air sealing valve 8 is provided with a hand push key (visual angle reason resetting for promoting this sealing gland flap 81, not shown in FIG.), and air sealing valve 8 is also connected with water intake 121.
Workflow of the present invention is: the pressurized gas that first fire-fighting fire extinction pipeline is filled with sealing, and then connection high pressure fire fighting water, high pressure fire fighting water enters intermediate valve chamber 3 through water intake 121 and pipeline 7, keep the state of equilibrium of alarm valve by flap mechanism, when after breaking out of fire, pressurized gas in fire-fighting fire extinguishing pipeline starts to leak, air pressure reduces, in the time reaching certain atmospheric pressure value, piston 43 in intermediate valve chamber 3 is upwards pushed guide's flap 41 open, main valve clack 42 upwards rises under the through transport of piston 43 simultaneously, high pressure fire fighting current enter into fire-fighting fire extinguishing pipeline and warning water hole 122, realize sprinkling fire function and warning function, simultaneously, because guide's flap 41 is opened, high pressure fire fighting water just enters the air sealing valve 8 for anti-reset by loop network 9, high pressure fire fighting current promote sealing gland flap 81 internal chamber walls along sealing gland valve pocket 82 and slide, the high-pressure water flow of water intake 121 is connected with loop network 9 by air sealing valve 8, at this moment the sealing gland flap 81 in air sealing valve 8 just cannot reset to original position, realize it and prevented the function resetting, staff can only promote hand push key by craft could realize its reset.
In addition, the present invention can also realize the unlatching of alarm valve as required by hand, in actual applications, if when fire-fighting fire extinguishing pipeline is huger, the time that pressurized gas are reduced to the force value of alarm valve startup is long, if at this time find fire, can artificial craft realize the breakdown action of alarm valve, we only need to open the starter gate valve of Normally closed type 6, at this moment pipeline 7 is connected with loop network 9, high-pressure water flow is directly opened guide's flap 41, start whole alarm valve, high pressure fire fighting current enter into air sealing valve 8 simultaneously, air sealing valve 8 is opened, realize it and prevent the function resetting.
Above are only a specific embodiment of the present invention, but design concept of the present invention is not limited to this, everyly utilizes this design the present invention is carried out to unsubstantiality to improve, all should belong to the behavior of invading protection domain of the present invention.
Claims (9)
1. a dry type alarm valve, comprise valve body, this valve body comprises corresponding upper valve body and the lower valve body fastening, upper valve body and lower valve body corresponding water outlet and the water intake of being provided with respectively, it is characterized in that: in described valve body, be provided with an intermediate valve chamber, this intermediate valve chamber upper, lower two ends are connected with water intake with described water outlet respectively, and this intermediate valve chamber is upper, the cooperation of lower two ends is equipped with a flap mechanism, this flap mechanism from top to bottom comprises guide's flap and main valve clack successively, this guide's flap is coordinated and is connected by piston with main valve clack, and the work area of the guide's flap setting that matches with piston area, on described intermediate valve chamber, be also provided with the pipeline being communicated with outside, this pipeline is connected with described water intake, the top of described intermediate valve chamber is provided with a loop network being communicated with outside, and described guide's valve clack cover is located at the entrance point of this loop network, and the outlet end of loop network is connected with an anti-resetting means.
2. a kind of dry type alarm valve according to claim 1, is characterized in that: on described pipeline, be equiped with the starter gate valve of Normally closed type, this device for cleaning pipeline is crossed starter gate valve and is connected with described loop network.
3. a kind of dry type alarm valve according to claim 2, is characterized in that: described starter gate valve is electromagnetic trigger valve or manually boots valve.
4. a kind of dry type alarm valve according to claim 1, is characterized in that: described main valve clack is also connected with described intermediate valve chamber by stage clip.
5. a kind of dry type alarm valve according to claim 1, is characterized in that: described anti-resetting means is an air sealing valve, and this air sealing valve comprises the gentle envelope valve pocket of sealing gland flap that matches and arrange, and this sealing gland flap can slide along the internal chamber wall of sealing gland valve pocket.
6. a kind of dry type alarm valve according to claim 5, is characterized in that: described air sealing valve is provided with a hand push key resetting for promoting this sealing gland flap.
7. a kind of dry type alarm valve according to claim 5, is characterized in that: described air sealing valve is also connected with the water intake of described lower valve body.
8. a kind of dry type alarm valve according to claim 1, is characterized in that: described lower valve body is provided with warning water hole, and the entrance point in described main valve clack and this warning water hole closing lid that matches is established.
9. according to a kind of dry type alarm valve described in the arbitrary claim of claim 1 to 8, it is characterized in that: on described intermediate valve chamber, be also provided with one for being communicated with the annular flow channel of described upper valve body and lower valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410202642.XA CN103939646B (en) | 2014-05-14 | 2014-05-14 | A kind of dry type alarm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410202642.XA CN103939646B (en) | 2014-05-14 | 2014-05-14 | A kind of dry type alarm valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103939646A true CN103939646A (en) | 2014-07-23 |
| CN103939646B CN103939646B (en) | 2016-03-02 |
Family
ID=51187443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410202642.XA Expired - Fee Related CN103939646B (en) | 2014-05-14 | 2014-05-14 | A kind of dry type alarm valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103939646B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485412A (en) * | 2015-11-05 | 2016-04-13 | 王大海 | Openness-controllable pilot valve |
| CN107101028A (en) * | 2016-12-29 | 2017-08-29 | 大唐环境产业集团股份有限公司 | A kind of taper sealing structure malleation sealing gland bypass valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0490768A (en) * | 1990-08-06 | 1992-03-24 | Akimoto Valve Kogyo Kk | Delayed type automatic valve for fire hydrant |
| CN202790737U (en) * | 2012-09-06 | 2013-03-13 | 天广消防股份有限公司 | Novel differential dry alarm valve |
| US20130098641A1 (en) * | 2011-10-21 | 2013-04-25 | Minimax Gmbh & Co. Kg | Preaction Dry Pipe Alarm Valve for a Sprinkler Pipework |
| CN203507379U (en) * | 2013-10-11 | 2014-04-02 | 首安工业消防有限公司 | Valve assembly capable of being remotely and manually controlled to switch on and off |
| CN203809796U (en) * | 2014-05-14 | 2014-09-03 | 福建省三鲸消防器材有限公司 | Dry type alarm valve |
-
2014
- 2014-05-14 CN CN201410202642.XA patent/CN103939646B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0490768A (en) * | 1990-08-06 | 1992-03-24 | Akimoto Valve Kogyo Kk | Delayed type automatic valve for fire hydrant |
| US20130098641A1 (en) * | 2011-10-21 | 2013-04-25 | Minimax Gmbh & Co. Kg | Preaction Dry Pipe Alarm Valve for a Sprinkler Pipework |
| CN202790737U (en) * | 2012-09-06 | 2013-03-13 | 天广消防股份有限公司 | Novel differential dry alarm valve |
| CN203507379U (en) * | 2013-10-11 | 2014-04-02 | 首安工业消防有限公司 | Valve assembly capable of being remotely and manually controlled to switch on and off |
| CN203809796U (en) * | 2014-05-14 | 2014-09-03 | 福建省三鲸消防器材有限公司 | Dry type alarm valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485412A (en) * | 2015-11-05 | 2016-04-13 | 王大海 | Openness-controllable pilot valve |
| CN105485412B (en) * | 2015-11-05 | 2018-03-09 | 王大海 | A kind of pilot valve of controllable aperture |
| CN107101028A (en) * | 2016-12-29 | 2017-08-29 | 大唐环境产业集团股份有限公司 | A kind of taper sealing structure malleation sealing gland bypass valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103939646B (en) | 2016-03-02 |
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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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lu Wengong Inventor after: Su Weiqiang Inventor after: Cai Jincheng Inventor after: Ye Changjian Inventor before: Lu Wengong Inventor before: Su Weiqiang |
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| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170824 Address after: 362307 Li Industrial Zone, Nanan Merrill Lynch Office, Fujian, Quanzhou Co-patentee after: STATE GRID FUJIAN NAN'AN POWER SUPPLY Co.,Ltd. Patentee after: FUJIAN SANJING FIRE-FIGHTING EQUIPMENT Co.,Ltd. Co-patentee after: FUJIAN SANJING FIRE-FIGHTING EQUIPMENT Co.,Ltd. Address before: 362307 Li Industrial Zone, Nanan Merrill Lynch Office, Fujian, Quanzhou Patentee before: FUJIAN SANJING FIRE-FIGHTING EQUIPMENT Co.,Ltd. |
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Effective date of registration: 20190729 Granted publication date: 20160302 |
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Date of cancellation: 20220729 Granted publication date: 20160302 |
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| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20210514 |
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| CF01 | Termination of patent right due to non-payment of annual fee |