CN205198779U - Gaseous promotion formula starter gate valve - Google Patents
Gaseous promotion formula starter gate valve Download PDFInfo
- Publication number
- CN205198779U CN205198779U CN201520807560.8U CN201520807560U CN205198779U CN 205198779 U CN205198779 U CN 205198779U CN 201520807560 U CN201520807560 U CN 201520807560U CN 205198779 U CN205198779 U CN 205198779U
- Authority
- CN
- China
- Prior art keywords
- valve rod
- valve
- valve body
- air inlet
- starter gate
- 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.)
- Active
Links
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a gaseous promotion formula starter gate valve, including valve body, the valve rod and the stop gear that can remove in the valve body, stem seal connects in the valve body, is equipped with the air inlet and the gas outlet that supply the driving gas to pass through on the valve body, valve rod and stop gear cooperation for the valve rod has locking bit and work position, and when being in the locking bit, the valve rod is closed the locking is relieved when the valve rod to the intercommunication passageway of air inlet and gas outlet, and the driving gas passes through air inlet promotion valve rod and removes when extremely working the position, valve rod lateral wall formation intercommunication the passageway of air inlet and gas outlet. The utility model discloses having changed the sealing method of traditional metal seal membrane, having need not the just continuous used repeatedly of ability of replacement parts, practiced thrift use cost, adopted high -pressure gas to open the starter gate valve as the driving gas, the tripping force is great, can reliably open the drive arrangement that need open energetically, has set up feedback loop moreover, can in time export feedback signal when the starter gate valve is opened.
Description
Technical field
The utility model belongs to the drive unit field of gas fire extinguisher, especially relates to a kind of gas push formula starter gate valve for automatically controlled selector valve.
Background technology
At present, mostly diaphragm sealing type container value is adopted in gas extinguishing system, as Chinese patent CN101507869, " a kind of automatically controlled selector valve and use this valve active bottle control and distribution method " discloses a kind of automatically controlled selector valve, combination is connected with selector valve by electric control driving device, metal sealing diaphragm is provided with in electric control driving device, when electric control driving device operating magnet promotes cutter head, this metal sealing diaphragm is punctured, initiatively gas is made to be divided into two-way after total air inlet enters valve body, one road gas pulls valve rod to open total gas outlet, another road gas leads to driven bottle.The ability practical function but electric control driving device must be connected with selector valve by this automatically controlled selector valve, and need constantly to change the metal sealing film be punctured, the cutter head difficulty of processing simultaneously puncturing metal sealing diaphragm is higher, and service wear is comparatively large, finally causes use cost higher.Moreover the driving force of electromagnetic actuator device is large all not in gas extinguishing system, the starting drive opened energetically of cannot satisfying the demand.Therefore the starter gate valve developing a kind of new gas fire extinguisher for the problems referred to above is needed.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of structure simple, and use cost is low, and driving force is large, has the gas push formula starter gate valve of signal feedback after startup.
The utility model solves the technical scheme that its technical problem adopts: a kind of gas push formula starter gate valve, comprise valve body, can the valve rod of movement in valve body and position-limit mechanism, described valve stem seal is connected in valve body, and valve body is provided with the air inlet and gas outlet that pass through for driving gas; Described valve rod coordinates with position-limit mechanism, valve rod is made to have locking bit and working position, when being in locking bit, valve rod closes the communicating passage of described air inlet and gas outlet, when valve rod unlocks, when driving gas moves to working position by air inlet promotion valve rod, valve rod sidewall forms the passage being communicated with described air inlet and gas outlet.Structure is simple, changes the sealing means that tradition needs metal sealing film, and the driving force of high-pressure driving gas is comparatively large, can provide larger tripping force.
Further, described valve body is provided with induction pieces, and described valve rod is provided with the trigger member coordinated with this induction pieces, and when valve rod moves to working position, described trigger member triggers induction pieces and forms backfeed loop.Starter gate valve can provide feedback signal after opening in time, uses Portable safety more.
Further, described position-limit mechanism comprises the limiting section be located on valve rod and is located at the card division coordinated with this limiting section in valve body.Position-limit mechanism makes valve rod move in fixed journey system, realizes the function of locking bit and working position.
Further, described position-limit mechanism comprises the confined planes be located on valve rod, actuator, the return unit being located at the positioning component between described confined planes and actuator and coordinating with described actuator; Described actuator is sheathed on outside valve rod, and described positioning component comprises the mount pad being provided with guide groove and the locating part be arranged in guide groove; Described confined planes comprises the first confined planes being located at valve rod sidewall and the second confined planes coordinated with mount pad end face, and when being in locking bit, described locating part is fastened on valve stem spacing between the first confined planes and actuator.The assembling of starter gate valve is convenient in the setting of this position-limit mechanism, and driving gas discharges that complete defensive position is dynamic to be resetted to valve rod, and position-limit mechanism can effectively pass out the signal resetted.
Further, described valve rod is variable-diameter structure.
Further, described valve rod sidewall is provided with the groove for being communicated with air inlet and gas outlet.
Further, described valve rod is connected with valve seal by seal, and described seal comprises sealing ring for be tightly connected valve rod and valve end and the sealed core be located between the peripheral and valve interior wall of valve rod.
Further, described air inlet and gas outlet are located on the sidewall of valve body.
Further, described valve body top is connected with adaptive electromagnetic actuator device.Electromagnetic actuator device promotes the little power-assisted of starter gate valve, starts whole device.
Further, described gas outlet sidewall is provided with first passage.
The beneficial effects of the utility model are, structure is simple, change traditional diaphragm sealing type structure, just can reuse continuously without the need to changing parts, having saved use cost, adopt gases at high pressure to open starter gate valve as driving gas, tripping force is larger, can to satisfy the demand the drive unit opened energetically, and to be provided with backfeed loop, can output feedback signal in time when starter gate valve is opened.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view that the utility model coordinates with electromagnetic actuator device.
Fig. 2 is the side structure schematic diagram that the utility model coordinates with electromagnetic actuator device.
Fig. 3 is starter gate valve closed condition cross-sectional view of the present utility model.
Fig. 4 is A portion of the present utility model schematic enlarged-scale view.
Fig. 5 is starter gate valve open mode cross-sectional view of the present utility model.
Fig. 6 is B portion of the present utility model schematic enlarged-scale view.
Detailed description of the invention
The utility model scheme is better understood in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the utility model embodiment, clear, complete description is carried out to the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.
Embodiment 1
With reference to shown in Fig. 1-6, a kind of gas push formula starter gate valve, comprise locking piece 1, valve body 2, be sealedly connected on valve rod 3 in valve body 2 and position-limit mechanism, valve body 2 offers the air inlet 21 and gas outlet 22 that pass through for driving gas, driving gas is gases at high pressure.Original state position-limit mechanism and locking piece 1 are in locking bit, namely locking piece 1 realizes the locking of valve rod 3 spacing through valve body 2 and valve rod 3, can certainly lock valve rod 3 by other means, communicating passage now between air inlet 21 and gas outlet 22 is by the shutoff of valve rod 3 sidewall, and namely driving gas cannot flow to gas outlet 22 from air inlet 21; When pulling away locking piece 1, valve rod 3 is unlocked, due to the effect of position-limit mechanism, high-pressure driving gas promotes valve rod 3 by air inlet 21 and moves down in fixed journey system, when moving to end, starter gate valve is in working position, namely the sidewall of valve rod 3 forms the communicating passage be communicated with between air inlet 21 and gas outlet 22, and due to the motive force effect of high-pressure driving gas, valve rod 3 is in working position always, and maintenance air inlet 21 is communicated with gas outlet 22, and driving gas pressure is larger, gas-contact area is larger, and lower thrust is larger.Until high-pressure driving gas is drained completely, valve rod 3 carries out hand-reset, and locking piece 1 reinserts valve body 2 and valve rod 3, spacing to locking bit to valve rod 3.Above-mentioned position-limit mechanism comprises the limiting section be arranged on below hole that valve rod 3 passes for locking piece 1 and the card division being arranged on valve body 2 inside, concrete, this limiting section can be convex edge or the projection cube structure of extension from valve rod 3 sidewall, this card division can be the bulge loop or projection cube structure that extend to center from valve body 2 inwall, when valve rod 3 is moved downward to limiting section bottom surface and card division end face offsets, namely be in the working position of valve rod 3, realize valve rod 3 and move in fixed journey system.
In order to realize being tightly connected between valve body 2 and valve rod 3, in valve body 2, below card division, seal can be set, described seal comprises the sealed core 24 being arranged on valve body 2 inside and the sealing ring 25 be arranged between valve body 2 lower port and valve rod 3, through hole is provided with between sealed core 24 and air inlet 21, in order to easy to assembly, seal receptacle 26 can also be set between sealed core 24 and valve body 2, release seat 7 is set between gas outlet 22 and valve rod 3, in order to realize sealing further, valve body 2 and seal receptacle 26, seal receptacle 26 and sealed core 24, sealed core 24 and valve rod 3, sealing ring 25 and valve body 2, all sealing ring is provided with between release seat 7 and valve body 2, red copper pad is also provided with between release seat 7 and sealed core 24.Be connected for the ease of the active bottle of air inlet 21 with external storage gases at high pressure, air inlet 21 is designed to shoulder hole form.Air admission hole 21 and being tightly connected by seal between venthole 22 and outer coupling portion.Seal can be O type circle or polytetrafluoroethylene gasket etc.
In order to realize the function of working position, valve rod 3 can be set for variable-diameter structure, namely the lower diameter of valve rod 3 is larger, it is inner that it is fastened on valve body 2, the external diameter of valve rod 3 is coordinated with the seal in valve body 2, the upper diameter of valve rod 3 diminishes, and air inlet 21 is in this first reducing place, the internal diameter of the top seal core 24 at the first reducing place is less than the internal diameter of its underpart sealed core 24, when valve rod 3 is moved downward to working position, the external diameter of valve rod 3 is less than the internal diameter of sealed core 24, make to form communicating passage between air inlet 21 and gas outlet 22, certainly, valve rod 3 may not be variable-diameter structure and arranges, it need arrange groove in the fixed journey system of valve rod 3 movement, when making valve rod 3 be in working position, this groove becomes the passage being communicated with air inlet 21 and gas outlet 22, and when being in locking bit, groove on valve rod 3 is positioned at the top position of air inlet 21 and sealed core 24 is tightly connected.In the present embodiment, air inlet 21 and gas outlet 22 are opened on the sidewall of valve body 2, gas outlet 22 also offer for connecting the first passage 221 that other start driven bottle group.
In order to realize forming a backfeed loop to external world when starter gate valve is opened, valve rod 3 arranges trigger member 31, valve body 2 arranges induction pieces 23, when valve rod 3 moves to working position, trigger member 31 is near induction pieces 23, triggering induction pieces 23 is closed and extraneous forms backfeed loop, outwardly transmits feedback signal.Concrete, in the present embodiment, trigger member 31 is permanent-magnet, and induction pieces 23 is for being fixedly connected on the tongue tube of valve body 2 bottom.
Embodiment 2
The difference of the present embodiment and embodiment 1 is, position-limit mechanism is located at valve rod 3 top, and locking piece 1 plugs with position-limit mechanism and valve body 2 and coordinates.Original state, position-limit mechanism is in locking bit, namely locking piece 1 inserts the locking of position-limit mechanism realization to valve rod 3 through valve body 2, communicating passage now between air inlet 21 and gas outlet 22 is by the shutoff of valve rod 3 sidewall, when pulling away locking piece 1, position-limit mechanism is unlocked, high-pressure driving gas promotes valve rod 3 by air inlet 21 and moves down in fixed journey system, when moving to end, starter gate valve is in working position, namely the sidewall of valve rod 3 forms the communicating passage be communicated with between air inlet 21 and gas outlet 22, until high-pressure driving gas is drained completely, valve rod 3 carries out hand-reset, locking piece 1 inserts position-limit mechanism through valve body 2 again, spacing to locking bit to valve rod 3.
Concrete, in order to realize the locking to valve rod 3, spacing and reset response better, also for the ease of assembling, position-limit mechanism comprises the confined planes, actuator 42, positioning component and the return unit 43 with the pluggable setting of locking piece 1 that are located at valve rod 3 upper portion side wall.Positioning component comprises mount pad 5 and locating part 52, the lower end of mount pad 5 and sealed core 24 offset and have outward extending flange, mount pad 5 offers the guide groove 51 running through its sidewall, locating part 52 is fastened in this guide groove 51 movably, optionally, in the present embodiment, locating part 52 is steel ball.Mount pad 5 madial wall is also provided with bulge loop 54, and valve rod 3 top has again the structure of reducing, and bulge loop 54 is fastened on this second reducing place.Confined planes comprises is located at the second confined planes 412 that valve rod 3 top can coordinate with mount pad 5 end face and the first confined planes 411 being located at valve rod 3 sidewall, described confined planes can be and valve rod 3 integrative-structure, also can be the locating element structure be detachably connected on by connector 53 on valve rod 3, concrete, connector 53 can be circular cylinder elastic cotter, keeper can be set screw, namely the second confined planes 412 is the ledge structure of set screw upper end, first confined planes 411 is the reducing segment structure that set screw lower end edge inclined-plane inwardly shrinks, and transition position has inclined plane.Actuator 42 is set in the outside of valve rod 3 and positioning component, actuator 42 has the transition face offseted with return unit 43, concrete, in the present embodiment, return unit 43 is spring, lower end and the seal receptacle 26 of return unit 43 offset, locking piece 1 laterally interts avoids actuator 42 to move down into the top of actuator 42, the bottom of actuator 42 has to extend internally establishes the flange 421 of locating part 52 for the card when locking bit, the inwall of actuator 42 is variable-diameter structure, its lower end diameter is less, the locating part 52 when locking bit is made just to be fastened on actuator 42, between mount pad 5 and the first confined planes 411, the upper inner diameter of actuator 42 is larger, make locating part 52 can transfer from one place to another under escort except the locking to valve rod 3 outward, valve rod 3 can be moved down, actuator 42 internal diameter transition position has surface slope structure.For the ease of assembling, described actuator 42 can be Split type structure, and it comprises first actuator that be connected pluggable with locking piece 1 and the second actuator offseted with return unit 43, and described first actuator is set in the second actuator periphery and is fixedly connected with it.
The top of starter gate valve is removably connected with adaptive electromagnetic actuator device 6, during use, when locking piece 1 is pulled away position-limit mechanism, electromagnetic actuator device 6 pairs of actuators 42 apply a downward motive force, actuator 42 moves down compression return unit 43, when moving to larger section of diameter, locating part 52 moves to the gap between actuator 42 and mount pad 5, thus the first confined planes 411 departs from locating part 52, valve rod 3 moves down under the promotion of high-pressure driving gas, when the upper end face of the bottom surface and mount pad 5 that move to the second confined planes 412 offsets, valve rod 3 stops moving down, now position-limit mechanism is in released state, valve rod 3 is in working position, air inlet 21 is connected with gas outlet 22, gases at high pressure sustained release, due to the pressure of gas, valve rod 3 keeps working position.Now, the position being located at trigger member 31 position on valve rod 3 and induction pieces 23 is closest, trigger member 31, i.e. permanent-magnet, triggers induction pieces 23, i.e. tongue tube, closed, forms the loop of outwardly feedback signal, exports the signal opened.When gas discharges completely, now valve rod 3 loses the motive force of gases at high pressure, valve rod 3 hand-reset, the restoring force of return unit 43 makes actuator 42 move up, and locating part 52 is extruded gap, when valve rod 3 moves up to locking bit, locating part 52 recovers initial position, is fastened on the first confined planes 411, between mount pad 5 and the hypomere of actuator 42, locking piece 1 inserts the actuator 42 of position-limit mechanism through valve body 2, realize the locking action to valve rod 3, backfeed loop disconnects simultaneously.
Above-mentioned detailed description of the invention is used for explaining and the utility model is described; instead of the utility model is limited; in the protection domain of spirit of the present utility model and claim, any amendment make the utility model and change, all fall into protection domain of the present utility model.
Claims (10)
1. a gas push formula starter gate valve, comprise valve body (2), can the valve rod (3) of movement in valve body (2) and position-limit mechanism, it is characterized in that: described valve rod (3) is sealedly attached in valve body (2), valve body (2) is provided with the air inlet (21) and gas outlet (22) that pass through for driving gas; Described valve rod (3) coordinates with position-limit mechanism, valve rod (3) is made to have locking bit and working position, when being in locking bit, the communicating passage of the closed described air inlet (21) of valve rod (3) and gas outlet (22), when valve rod (3) unlocks, when driving gas moves to working position by air inlet (21) promotion valve rod (3), valve rod (3) sidewall forms the passage being communicated with described air inlet (21) and gas outlet (22).
2. starter gate valve according to claim 1, it is characterized in that: described valve body (2) is provided with induction pieces (23), described valve rod (3) is provided with the trigger member (31) coordinated with this induction pieces (23), when valve rod (3) moves to working position, described trigger member (31) triggers induction pieces (23) and forms backfeed loop.
3. starter gate valve according to claim 1, is characterized in that: described position-limit mechanism comprises the limiting section be located on valve rod (3) and is located at the card division coordinated with this limiting section in valve body (2).
4. starter gate valve according to claim 1, is characterized in that: described position-limit mechanism comprises the confined planes be located on valve rod (3), actuator (42), the return unit (43) being located at the positioning component between described confined planes and actuator (42) and coordinating with described actuator (42); Described actuator (42) is sheathed on valve rod (3) outward, and described positioning component comprises the mount pad (5) being provided with guide groove (51) and the locating part (52) be arranged in guide groove (51); Described confined planes comprises the first confined planes (411) being located at valve rod (3) sidewall and the second confined planes (412) coordinated with mount pad (5) end face, when being in locking bit, described locating part (52) is fastened on spacing for valve rod (3) between the first confined planes (411) and actuator (42).
5. starter gate valve according to claim 1, is characterized in that: described valve rod (3) is variable-diameter structure.
6. starter gate valve according to claim 1, is characterized in that: described valve rod (3) sidewall is provided with the groove for being communicated with air inlet (21) and gas outlet (22).
7. starter gate valve according to claim 1, it is characterized in that: described valve rod (3) is tightly connected by seal and valve body (2), described seal comprises sealing ring (25) for the valve rod that is tightly connected (3) and valve body (2) end and the sealed core (24) be located between peripheral and valve body (2) inwall of valve rod (3).
8. starter gate valve according to claim 1, is characterized in that: described air inlet (21) and gas outlet (22) are located on the sidewall of valve body (2).
9. starter gate valve according to claim 1, is characterized in that: described valve body (2) top is connected with adaptive electromagnetic actuator device (6).
10. starter gate valve according to claim 1, is characterized in that: described gas outlet (22) sidewall is provided with first passage (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807560.8U CN205198779U (en) | 2015-10-16 | 2015-10-16 | Gaseous promotion formula starter gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807560.8U CN205198779U (en) | 2015-10-16 | 2015-10-16 | Gaseous promotion formula starter gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205198779U true CN205198779U (en) | 2016-05-04 |
Family
ID=55836527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520807560.8U Active CN205198779U (en) | 2015-10-16 | 2015-10-16 | Gaseous promotion formula starter gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205198779U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224598A (en) * | 2016-08-31 | 2016-12-14 | 渤海阀门集团有限公司 | Operated pneumatic valve |
| CN108278372A (en) * | 2018-02-09 | 2018-07-13 | 山东金科星机电股份有限公司 | A kind of high speed opening valve and open method |
| CN109126000A (en) * | 2018-09-30 | 2019-01-04 | 福建省海西安全科技有限公司 | A kind of temperature-sensitive distributing valve ejecting device |
-
2015
- 2015-10-16 CN CN201520807560.8U patent/CN205198779U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224598A (en) * | 2016-08-31 | 2016-12-14 | 渤海阀门集团有限公司 | Operated pneumatic valve |
| CN106224598B (en) * | 2016-08-31 | 2018-10-26 | 渤海阀门集团有限公司 | Operated pneumatic valve |
| CN108278372A (en) * | 2018-02-09 | 2018-07-13 | 山东金科星机电股份有限公司 | A kind of high speed opening valve and open method |
| CN109126000A (en) * | 2018-09-30 | 2019-01-04 | 福建省海西安全科技有限公司 | A kind of temperature-sensitive distributing valve ejecting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205198779U (en) | Gaseous promotion formula starter gate valve | |
| CN203801663U (en) | Aerated water machine of aerated water bottle self-sealing and carbon dioxide gas leakage protective device | |
| CN202834271U (en) | Delay self-closing flush valve | |
| CN204664492U (en) | Water filter safety valve | |
| CN202531101U (en) | Gas well wellhead pressure reduction well opening device | |
| CN203009946U (en) | Water hammer discharge valve | |
| CN105333216A (en) | Pneumatic starting valve | |
| CN203264104U (en) | Valve core bottle valve of air fire extinguisher | |
| CN205075377U (en) | Energy -conserving efficient forming press | |
| CN202280889U (en) | Built-in pilot safety valve | |
| CN201242040Y (en) | Pipe gas ultra- and under-pressure self-closing pressure regulating device | |
| CN211623376U (en) | High-pressure double-stage self-sealing blowout-preventing wellhead packing box | |
| CN202017805U (en) | Mechanical over-pressure/under-pressure protecting device for high pressure explosion-proof electromagnetic valve | |
| CN204171330U (en) | The pump case die casting that die cavity is adjustable | |
| CN205715896U (en) | A kind of water-saving tap | |
| CN202401521U (en) | Flow controller with pressure holding function | |
| CN202118020U (en) | Water pressure switch control valve | |
| CN203797076U (en) | Air suction valve | |
| CN104727778B (en) | Remote high-pressure well opening emergency cut-off device | |
| CN103644312B (en) | A kind of push button Water valve self-closed in water cut | |
| CN203948648U (en) | Duplex channel pressure medium sealing valve unit | |
| CN111336261B (en) | Stop valve for pipeline | |
| CN204486060U (en) | One closes gondola water faucet immediately | |
| CN203836327U (en) | Safety valve used for tap water | |
| CN219449883U (en) | Indoor hydrogen energy production and use device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |