CN202203490U - Gas release valve for nitrogen fire extinguishing system - Google Patents
Gas release valve for nitrogen fire extinguishing system Download PDFInfo
- Publication number
- CN202203490U CN202203490U CN2011201709248U CN201120170924U CN202203490U CN 202203490 U CN202203490 U CN 202203490U CN 2011201709248 U CN2011201709248 U CN 2011201709248U CN 201120170924 U CN201120170924 U CN 201120170924U CN 202203490 U CN202203490 U CN 202203490U
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- valve
- motor
- shaft
- worm
- gas release
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Abstract
The utility model relates to a gas valve and discloses a gas release valve for a nitrogen fire extinguishing system, which comprises two high-pressure control valves, a release controller, a high-pressure pneumatic head, a support frame, a connecting sleeve, a valve shaft, a filling material press cover, filling materials, a valve cover, a sealing ring, a valve body, a valve core and a manual operation mechanism, wherein the two high-pressure control valves are respectively connected with a left steam cylinder and a right steam cylinder of the high-pressure pneumatic head, the high-pressure pneumatic head is respectively connected with the support frame and the connecting sleeve, the connecting sleeve is connected with the valve shaft, the valve shaft is connected with the valve core, the valve body and the valve cover are fixed outside the valve core through screw bolts and screw caps, the filling materials are positioned on the periphery of the valve shaft, the filling material cover is pressed on the filling materials, the manual operation mechanism is connected with the valve shaft, and the release controller is respectively connected with the two high-pressure control valves. The gas release valve has the advantages that the mechanism is compact, the action is flexible, the opening speed is high, the reliability is high, the pressure reduction loss is small, the capacity is large, and the maintenance is convenient.
Description
Technical field
The utility model relates to a kind of gas valve.Be specifically related to a kind of gas release valve of fire extinguishing nitrogen system.
Background technique
At present, be used for the gas release valve of fire-fighting, the one, be through directly opening or closing during work.Owing to the variation in pressure of gas or the reasons such as damage of valve, possibly cause not opening or close does not live, and can not accomplish safe and reliable.The 2nd, the mode that existing gas release valve opens or closes is single, as manually, or electronic.The 3rd, existing gas release valve system is complicated, and maintenance is inconvenient.
The model utility content
The purpose of the utility model provide a kind of mechanism compact, be active in one's movements, opening speed is fast, reliability is high, the step-down loss is little, send out the gas release valve of capacity fire extinguishing nitrogen system big, easy to maintenance.
In order to achieve the above object, the utility model has following technological scheme:
The gas release valve of a kind of fire extinguishing nitrogen system of the utility model; Comprise two high pressure control valves, release controller, high-pressure pneumatic head, support, connecting sleeve, valve shaft, Gland, filler, valve gap, seal ring, valve body, spool, hand behaviour mechanism; Said two high pressure control valves are connected with left side cylinder, the right cylinder of high-pressure pneumatic head respectively, and the high-pressure pneumatic head is connected with support, connecting sleeve respectively, and connecting sleeve is connected with valve shaft; Valve shaft is connected with spool; Outside spool, filler is positioned at the periphery of valve shaft through bolt, fixed by nut for valve body, valve gap, and follower is pressed on the filler; Hand behaviour mechanism is connected with valve shaft; Said hand is grasped mechanism and is used for manually directly opening or closing gas release valve, and said release controller is connected with two high pressure control valves respectively, and said release controller is used for through the unlatching of electrical signal automatic or manual control gaseous relief valve or closes.
Wherein, Said release controller comprises MCU1, MCU2, motor one, motor two, power supply, start button, stop button, just changes tutorial light, counter-rotating tutorial light, drive circuit, detection input circlult; Wherein, MCU1 is connected with power supply, start button, stop button, motor one, motor two respectively, and motor one, motor two are connected with high pressure control valve; Said MCU2 is connected with motor one, motor two, power supply, drive circuit, detection input circlult respectively; Drive circuit with just change tutorial light, the counter-rotating tutorial light be connected, said MCU1 is used for manually controlling the driving of motor one, motor two, MCU2 is used for the driving of automatic control motor one, motor two.
Wherein, said hand is grasped mechanism and is comprised eccentric bushing assembly, limit assembly, handwheel, worm-wheel shaft, clutch handle, end cap, worm screw, worm gear, casing, bracket cover, and said eccentric bushing assembly is connected with worm screw; Worm and wheel connects, and worm gear is contained on the bracket cover, and limit assembly is contained on the end cap; Worm shaft one end is connected with handwheel; The other end is connected with worm screw, and clutch handle is connected with worm shaft, and casing is wrapped in the periphery of hand behaviour mechanism.
Owing to taked above technological scheme, the advantage of the utility model is:
1, the unlatching that the utility model can be through electrical signal automatic or manual control gaseous relief valve or close can directly be opened through hand behaviour mechanism manual again or closed gas release valve, and it is active in one's movements, opening speed is fast, reliability is high.
2, the utility model mechanism compactness, easy disassembling, easy to maintenance.
3, the utility model passes through self gas-powered gas release valve, other additional device.
The step-down loss was little when 4, the utility model was opened or closed, and valve capacity is big.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 discharges the block diagram of controller for the utility model;
Fig. 3 is the structural representation of the utility model hand behaviour mechanism;
Fig. 4 be Fig. 3 A-A to sectional view.
Among the figure; 1, valve gap; 2, seal ring; 3, valve body; 4, spool; 5, nut; 6, bolt; 7, filler; 8, Gland; 9, connecting sleeve; 10, support; 11, high-pressure pneumatic head; 12, high pressure control valve; 13, valve shaft; 14, eccentric bushing assembly; 15, limit assembly; 16, handwheel; 17, worm-wheel shaft; 18, clutch handle; 19, end cap; 20, worm screw; 21, worm gear; 22, casing; 23, bracket cover.
Embodiment
Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
Referring to Fig. 1～Fig. 4; The gas release valve of a kind of fire extinguishing nitrogen system of the utility model is made up of two high pressure control valves 12, release controller, high-pressure pneumatic head 11, support 10, connecting sleeve 9, valve shaft 13, Gland 8, filler 7, valve gap 1, seal ring 2, valve body 3, spool 4, hand behaviour mechanism, wherein; Two high pressure control valves 12 are connected with left side cylinder, the right cylinder of high-pressure pneumatic head 11 respectively; High-pressure pneumatic head 11 is connected with support 10, connecting sleeve 9 respectively, and connecting sleeve 9 is connected with valve shaft 13, and valve shaft 13 is connected with spool 4; Valve body 3, valve gap 1 pass through bolt, fixed by nut outside spool 4; Filler 7 is positioned at the periphery of valve shaft 13, and filler 7 lids are pressed on the filler 7, and hand behaviour mechanism is connected with valve shaft 13.Actuator's connecting sleeve 9 is connected with valve shaft 13, rotates through connecting sleeve 9, drives valve shaft 13 and does 90 degree rotations with spool 4, thereby realize the unlatching of gas release valve or close.Said filler 7 mainly seals, and prevents that gas from leaking outside.The gas release valve of the fire extinguishing nitrogen system of the utility model has the mode that three kinds of controls are opened or closed, and has as follows:
One, through discharging controller with the unlatching of electrical signal automatic or manual control gaseous relief valve or close, referring to Fig. 1, Fig. 2.Said release controller by MCU1, MCU2, motor one, motor two, power supply, start button, stop button, just change tutorial light, counter-rotating tutorial light, drive circuit, detection input circlult and form; Wherein, MCU1 is connected with power supply, start button, stop button, motor one, motor two respectively; Motor one, motor two are connected with high pressure control valve; Said MCU2 is connected with motor one, motor two, power supply, drive circuit, detection input circlult respectively, drive circuit with just change tutorial light, the counter-rotating tutorial light be connected.Said MCU1, MCU2 are single-chip microcomputer or micro controller.
1, control automatically: gas gets into high pressure control valve through air pipe, and when the signal input part among Fig. 2 had the signal input, this signal was through detecting input circlult; Just changeed by MCU2 control motor one, driving the high pressure control valve on the left side, gas gets into the left side cylinder of high-pressure pneumatic head; Promote the right cylinder of piston, make the right cylinder venting emptying of high-pressure pneumatic head, drive connecting sleeve and rotate to the high-pressure pneumatic head; Drive the rotation of valve shaft and spool, gas release valve is opened.In set time, motor one stops just to change, motor two counter-rotatings; Drive the high pressure control valve on the right, gas gets into the right cylinder of high-pressure pneumatic head, promotes the left side cylinder of piston to the high-pressure pneumatic head; Make the left side cylinder venting emptying of high-pressure pneumatic head; The drive connecting sleeve rotates, and drives the rotation of valve shaft and spool, and gas release valve is closed.
2, fingertip control: the start button in pressing Fig. 2, just changeing by MCU1 control motor one, gas release valve is opened, in set time, instruction is just being changeed in cancellation, waits for next operation.Stop button in pressing Fig. 2, motor one counter-rotating is closed gas release valve, and in set time, next operation is waited in cancellation counter-rotating instruction.Fingertip control has precedence over automatic control.After hand push button (like start button) was pressed, it was promptly inoperative to control function automatically.
Two, Fig. 3, Fig. 4 are participated in the unlatching through manual operation handwheel control gaseous relief valve or close, and hand behaviour mechanism is made up of eccentric bushing assembly 14, limit assembly 15, handwheel 16, worm-wheel shaft 17, clutch handle 18, end cap 19, worm screw 20, worm gear 21, casing 22, bracket cover 23; Said eccentric bushing assembly 14 is connected with worm screw 20; Worm screw 20 is connected with worm gear 21, and worm gear 21 is contained on the bracket cover 23, and limit assembly 15 is contained on the end cap 19; Worm shaft 17 1 ends are connected with handwheel 16; The other end is connected with worm screw 20, and clutch handle 18 is connected with worm shaft 17, and casing 22 is wrapped in the periphery of hand behaviour mechanism.
During operation, operation clutch handle 18 makes worm-wheel shaft 17 and worm screw 20 be in coupled condition earlier, and then, rotation hand wheel 16 drives worm-wheel shaft 17, worm screw 20, worm gear 21, drives valve shaft 13, makes spool 4 rotations, can directly open or close gas release valve.
The mode that the utility model has three kinds of control gaseous relief valves to open or close; Unlatching that can be through electrical signal automatic or manual control gaseous relief valve or close; Can directly grasp the mechanism manual unlatching or close gas release valve through hand again, it be active in one's movements, opening speed is fast, reliability is high.
Obviously, the foregoing description of the utility model only be for explain clearly that the utility model does for example, and be not to be qualification to the mode of execution of the utility model.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here can't give exhaustive to all mode of executions.Conspicuous variation that every technological scheme that belongs to the utility model is extended out or change still are in the row of the protection domain of the utility model.
Claims (3)
1. the gas release valve of a fire extinguishing nitrogen system; It is characterized in that: comprise two high pressure control valves, release controller, high-pressure pneumatic head, support, connecting sleeve, valve shaft, Gland, filler, valve gap, seal ring, valve body, spool, hand behaviour mechanism; Said two high pressure control valves are connected with left side cylinder, the right cylinder of high-pressure pneumatic head respectively, and the high-pressure pneumatic head is connected with support, connecting sleeve respectively, and connecting sleeve is connected with valve shaft; Valve shaft is connected with spool; Outside spool, filler is positioned at the periphery of valve shaft through bolt, fixed by nut for valve body, valve gap, and follower is pressed on the filler; Hand behaviour mechanism is connected with valve shaft; Said hand is grasped mechanism and is used for manually directly opening or closing gas release valve, and said release controller is connected with two high pressure control valves respectively, and said release controller is used for through the unlatching of electrical signal automatic or manual control gaseous relief valve or closes.
2. the gas release valve of a kind of fire extinguishing nitrogen system as claimed in claim 1; It is characterized in that: said release controller comprises MCU1, MCU2, motor one, motor two, power supply, start button, stop button, just changes tutorial light, counter-rotating tutorial light, drive circuit, detection input circlult; Wherein, MCU1 is connected with power supply, start button, stop button, motor one, motor two respectively; Motor one, motor two are connected with high pressure control valve, and said MCU2 is connected with motor one, motor two, power supply, drive circuit, detection input circlult respectively, drive circuit with just change tutorial light, the counter-rotating tutorial light be connected; Said MCU1 is used for manually controlling the driving of motor one, motor two, and MCU2 is used for the driving of automatic control motor one, motor two.
3. the gas release valve of a kind of fire extinguishing nitrogen system as claimed in claim 1; It is characterized in that: said hand is grasped mechanism and is comprised eccentric bushing assembly, limit assembly, handwheel, worm-wheel shaft, clutch handle, end cap, worm screw, worm gear, casing, bracket cover, and said eccentric bushing assembly is connected with worm screw, and worm and wheel connects; Worm gear is contained on the bracket cover; Limit assembly is contained on the end cap, and worm shaft one end is connected with handwheel, and the other end is connected with worm screw; Clutch handle is connected with worm shaft, and casing is wrapped in the periphery of hand behaviour mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201709248U CN202203490U (en) | 2011-05-25 | 2011-05-25 | Gas release valve for nitrogen fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201709248U CN202203490U (en) | 2011-05-25 | 2011-05-25 | Gas release valve for nitrogen fire extinguishing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202203490U true CN202203490U (en) | 2012-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201709248U Expired - Fee Related CN202203490U (en) | 2011-05-25 | 2011-05-25 | Gas release valve for nitrogen fire extinguishing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202203490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797896A (en) * | 2011-05-25 | 2012-11-28 | 首消节洁科技（北京）有限公司 | Gas release valve of nitrogen fire extinguishing system |
-
2011
- 2011-05-25 CN CN2011201709248U patent/CN202203490U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797896A (en) * | 2011-05-25 | 2012-11-28 | 首消节洁科技（北京）有限公司 | Gas release valve of nitrogen fire extinguishing system |
| CN102797896B (en) * | 2011-05-25 | 2016-09-14 | 北京水木华威磁化科技有限公司 | The gas release valve of fire extinguishing nitrogen system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20150525 |
|
| EXPY | Termination of patent right or utility model |