CN205781080U - A kind of heavy caliber quick pressure-air valve - Google Patents
A kind of heavy caliber quick pressure-air valve Download PDFInfo
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- CN205781080U CN205781080U CN201620460607.2U CN201620460607U CN205781080U CN 205781080 U CN205781080 U CN 205781080U CN 201620460607 U CN201620460607 U CN 201620460607U CN 205781080 U CN205781080 U CN 205781080U
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Abstract
The utility model discloses a kind of heavy caliber quick pressure-air valve, including pressure-control valve, air pressure valve body, switch triggering mechanism.Air pressure valve body is provided with air inlet, gas outlet, and inside is provided with annular seal space.Slide core it is provided with in annular seal space.Slide core can be slided at the mid portion of annular seal space.Slide core is provided with passage.The two ends of annular seal space have two pressure chambers.Two pressure chambers are equipped with air guide port.Pressure-control valve is for controlling the connected state between air inlet, gas outlet, two pressure chambers, thus controls the pressure differential between two pressure chambers.Slide core is driven to move by this pressure differential.Switch triggering mechanism for slide core blocked so that air cock be in open state or closed, and the existence pressure differential between two pressure chambers in the case of trigger breakdown action or the closed action of air cock.Air cock of the present utility model is mainly driven by pressure-air self, by the triggering of switch triggering mechanism, it is achieved the moment of air cock opens and Guan Bi.
Description
Technical field
This utility model relates to bigbore pressure-air valve.
Background technology
The patent documentation of Publication No. CN103638622A discloses the water cannon of a kind of fire-fighting.This fire demand water big gun passes through compressed air as power source.Compressed air is stored in air accumulator, when launching water cannon, opens electromagnetic valve and air accumulator compressed air is put into transmission cylinder, promote the water in transmission cylinder to emission.This have its special requirement for connecting the electromagnetic valve between air accumulator and transmission cylinder.First, the air line between air accumulator and transmission cylinder is thick, and internal diameter can be more than 10cm.Secondly, it is desirable to the speed opening Guan Bi is fast, this water cannon compressed air puts into the time of transmission cylinder less than 10s, if the time is wasted in the process of Open valve and closure valve, not only wastes compressed air, and wastes water.The most in general require that the time opening closure valve is less than 0.5s.3rd is high pressure working environment, and compressed air is generally capable of up to, on 30 atmospheric pressure, even to reach 200 atmospheric pressure.In the environment of this high pressure, general solenoid valve cannot meet requirement.Electromagnetic valve is short of power, and compares far from electrodynamic valve, and in addition to the friction between spool to be overcome and shell, high pressure to be overcome, is the most again bigbore pipeline, and general solenoid valve cannot be competent at this environment.
Summary of the invention
Problem to be solved in the utility model: meet the quick requirement of the valve connected in water cannon between air accumulator and transmission cylinder.
For solving the problems referred to above, the scheme that this utility model uses is as follows:
A kind of heavy caliber quick pressure-air valve, including pressure-control valve, air pressure valve body, switch triggering mechanism；Air pressure valve body is provided with air inlet, gas outlet, and inside is provided with annular seal space；It is provided with slide core in described annular seal space；Slide core can be slided at the mid portion of described annular seal space；Slide core is provided with passage；Passage is perpendicular to the direction that slide core is slided；Slide core is positioned at the centre of described annular seal space so that two pressure chambers of two ends formation of described annular seal space: the first pressure chamber and the second pressure chamber；First pressure chamber and the second pressure chamber are equipped with air guide port；Described pressure-control valve is for controlling the connected state between air inlet, gas outlet, the first pressure chamber and the second pressure chamber；Described connected state at least two kinds: open preparation state and Guan Bi preparation state；Opening under preparation state described, described pressure-control valve makes the first pressure chamber connection air inlet, the second pressure chamber connection outside air or gas outlet；Under described Guan Bi preparation state, described pressure-control valve makes the first pressure chamber connection outside air or gas outlet, the second pressure chamber connection air inlet；Switch triggering mechanism is for making slide core be stuck at the first pressure chamber end or at the second pressure chamber end under electromagnetic mechanism control, and triggers breakdown action when pressure-control valve is in unlatching preparation state, triggers closed action when pressure-control valve is in Guan Bi preparation state；When slide core is stuck at the first pressure chamber end, slide core obstruction air inlet connects with gas outlet；When slide core is stuck at the second pressure chamber end, the passage connection air inlet of slide core and gas outlet.
Further, described switch triggering mechanism includes buckle electromagnetic mechanism, pin rod, the first hole clipping and the second hole clipping；Buckle electromagnetic mechanism is arranged on outside air pressure valve body；Pin rod is arranged on buckle electromagnetic mechanism, and through the housing of air pressure valve body, it is possible to move along its axis under the driving of buckle electromagnetic mechanism；The glide direction being axially perpendicular to slide core of pin rod；First hole clipping and the second hole clipping are slide core two hole clippings on the side；When slide core is stuck at the first pressure chamber end, the first hole clipping faces pin rod so that pin rod is inserted into the first hole clipping；When slide core is stuck at the second pressure chamber end, the second hole clipping faces pin rod so that pin rod is inserted into the second hole clipping.
Further, the guide part that described first hole clipping and the second hole clipping reduce from opening to inside diameter, the diameter of opening part is more than the diameter of pin rod；The termination of pin rod is round end.
Further, air pressure valve body is formed by sliding cavity, the first valve gap and the second valve gap；It is provided with sliding chamber in sliding cavity；First valve gap and the second valve gap lay respectively at the two ends of sliding cavity；First pressure chamber is positioned at the first valve gap；Second pressure chamber is positioned at the second valve gap；It is positioned at after first valve gap at sliding cavity two ends and the second valve gap seal with sliding cavity so that the first pressure chamber, the second pressure chamber and described sliding chamber form described annular seal space.
Further, it is provided with buffer spring in the first pressure chamber and the second pressure chamber.
Further, slide core includes connecting portion and sealing；Connecting portion and sealing are two coaxial cylinders；The glide direction of slide core is parallel to the axle center of connecting portion and sealing；Passage is positioned at sealing；Sealing is provided with two symmetrical sealing column and three groups of sealing rings；Sealing column is parallel to the axle center of connecting portion and sealing；Sealing column is arranged on the edge of sealing, and it 3/2nds to four/3rds is positioned at sealing, its excess-three divide 1/1st to four part be stuck in the cavity wall of described annular seal space；Described three groups of sealing rings are: the first sealing ring, the second sealing ring and the 3rd sealing ring；First sealing ring is near the first pressure chamber；3rd sealing ring is near the second pressure chamber；Second sealing ring is positioned at the first sealing ring and the centre of the 3rd sealing ring；Passage is between the first sealing ring and the second sealing ring.
Further, also include driving electromagnetic mechanism；Drive electromagnetic mechanism to be arranged on the outside of air pressure valve body, and connect slide core by penetrating the core bar in air pressure valve body；The driving direction driving electromagnetic mechanism is identical with the direction that slide core is slided.
Further, described pressure-control valve is the four way solenoid valve that doubly-linked leads to suitching type；Four way solenoid valve is provided with four connectors, respectively AA mouth, AB mouth, BA mouth and BB mouth；AA mouth connects air inlet, and AB mouth is empty or connects gas outlet, and BA mouth connects the first pressure chamber, and BB mouth connects the second pressure chamber；Four way solenoid valve is provided with two kinds of connected states: the first connection state connects state with second；Connecting under state described first, AA mouth is connected with BA mouth, and AB mouth is connected with BB mouth；Connecting under state described second, AA mouth is connected with BB mouth, and AB mouth is connected with BA mouth；.
Further, described pressure-control valve is the electromagnetic valve group being made up of four two three-way electromagnetic valves.
Further, described pressure-control valve is the electromagnetic valve group being made up of two three-way magnetic valves.
Technique effect of the present utility model is as follows: air cock of the present utility model is mainly driven by pressure-air self, the pressure in slide core pressure at two ends chamber is adjusted by pressure-control valve, triggered slide core wink by switch triggering mechanism again to move, it is achieved the moment of air cock opens and Guan Bi.Under structure of the present utility model, start mobile fully open to air cock from slide core and can realize the opening speed less than 0.1s, start mobile completely close to air cock from slide core and can realize the closure speed less than 0.3s, fully meet the requirement of water cannon.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of embodiment 1.
Fig. 2 and Fig. 3 is the internal structure schematic diagram of air pressure valve body.Wherein Fig. 2 is in valve body closed mode, and Fig. 3 is in valve body opening.
Fig. 4 is the perspective view of slide core.
Fig. 5 is the slide core section sectional structure chart of air pressure valve body.
Fig. 6 is the enlarged drawing of hole clipping and pin rod.
Fig. 7 is the attachment structure schematic diagram of the pressure-control valve being made up of four two way solenoid valves in embodiment 2.
Fig. 8 is the attachment structure schematic diagram of the pressure-control valve being made up of two three-way magnetic valves in embodiment 3.
Fig. 9 is that the structure of the four way solenoid valve that doubly-linked leads to suitching type in embodiment 4 splits schematic diagram.
Figure 10 is the valve core structure schematic diagram of the four way solenoid valve that in embodiment 4, doubly-linked leads to suitching type.
Figure 11 and Figure 12 is the sectional view under two kinds of connected states of the four way solenoid valve that in embodiment 4, doubly-linked leads to suitching type.Wherein Figure 11 is the first connection state, and Figure 12 is the second connection state.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further details.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of heavy caliber quick pressure-air valve includes pressure-control valve, air pressure valve body 2, switch triggering mechanism, electromagnetic drive mechanism and slide core position-limit mechanism.Air pressure valve body 2 is made up of sliding cavity the 201, first valve gap 202 and the second valve gap 203, is provided with air inlet 21, gas outlet 22.It is provided with sliding chamber in sliding cavity 201.Air inlet 21 and gas outlet 22 coaxially and are positioned on sliding cavity 201.First valve gap 202 and the second valve gap 203 lay respectively at the two ends of sliding cavity 201.First valve gap 202 and the second valve gap 203 are equipped with cavity.It is positioned at first valve gap 202 at sliding cavity 201 two ends and after the second valve gap 203 sealed with sliding cavity 201 by screw and sealing strip so that the sliding chamber of two cavitys of the first valve gap 202 and the second valve gap 203 and sliding cavity 201 forms annular seal space.Slide core 3 it is provided with in annular seal space.Slide core 3 can be slided at the mid portion of annular seal space.Specifically, slide core 3 is installed in sliding cavity 201, and is limited in the sliding intracavity slip of sliding cavity 201 by the slide core position-limit mechanism at two ends.Slide core 3 is provided with passage 31.Passage 31 is parallel to air inlet 21 and the axle center of gas outlet 22, and is perpendicular to the direction that slide core 3 is slided.Thus, slide core 3 is positioned at the centre of annular seal space so that two pressure chambers of two ends formation of annular seal space: the first pressure chamber 231 and the second pressure chamber 232.First pressure chamber 231 and the second pressure chamber 232 are the first valve gap 202 and cavity of the second valve gap 203, and wherein, the first pressure chamber 231 is the cavity of the first valve gap 202, and the second pressure chamber 232 is the cavity of the second valve gap 203.First pressure chamber 231 and the second pressure chamber 232 are equipped with air guide port 233.First pressure chamber 231 and the second pressure chamber 232 connect pressure-control valve by respective air guide port 233.
The concrete structure of slide core 3 as shown in Figure 4, Figure 5, including connecting portion 32 and sealing 33.Connecting portion 32 and sealing 33 are two coaxial cylinders.Slide core 3 sliding along connecting portion 32 and the axis direction of sealing 33 in the annular seal space of air pressure valve body 2.Passage 31 is positioned at sealing 33.Sealing 33 is that slide core 3 needs and slides the part that cavity 201 carries out sealing, and connecting portion 32 is then without sealing.Sealing 33 is provided with two symmetrical sealing column 35 and three groups of sealing rings.Sealing column 35 is parallel to connecting portion 32 and the axle center of sealing 33.Sealing column 35 is arranged on the edge of sealing 33.The line in the axle center of two sealing column 35 is perpendicular to the axle center of passage 31.3rd/2nd to four/3rds of sealing column 35 are positioned at sealing 33, its excess-three divide 1/1st to four part be stuck in the cavity wall of annular seal space.Specifically, sealing 33 is provided with the breach of 2 to four/3rds/three-arc, and sealing column 35 is inserted in this breach, and is fixed by the cover plate 36 of end.The inwall of sliding cavity 201 is provided with the breach of three/mono-to quarter circular arc, and after slide core 3 is placed into the sliding intracavity of sliding cavity 201,1 to four/3rd/part of sealing column 35 is stuck in this breach.Three groups of sealing rings are: the first sealing ring the 331, second sealing ring 332 and the 3rd sealing ring 333.First sealing ring 331 is near the first pressure chamber 231.3rd sealing ring 333 is near the second pressure chamber 232.Second sealing ring 332 is positioned at the first sealing ring 331 and centre of the 3rd sealing ring 333.Passage 31 is between the first sealing ring 331 and the second sealing ring 332.When slide core 3 is stuck at the first pressure chamber 231 end, slide core 3 blocks connecting of air inlet 21 and gas outlet 22, now is realized sealing by the second sealing ring 332 and the 3rd sealing ring 333 and sealing column 35.When slide core 3 is stuck at the second pressure chamber 232 end, the passage 31 of slide core 3 and air inlet 21 and gas outlet 22 are positioned on same axis, air inlet 21 is connected with gas outlet 22, now is realized sealing by the first sealing ring 331 and the second sealing ring 332 and sealing column 35.In the present embodiment, the column that sealing column 35 is made up of encapsulants such as politef, in addition to realizing sealing, sealing column 35 also acts as the effect of slide-and-guide, it is to avoid slide core 3 the sliding intracavity of sliding cavity 201 cause when reciprocatingly sliding himself rotate around axle center.And slide core 3 rotates around axle center and makes the axle center of passage 31 cannot keep consistent with air inlet 21 with the axle center of gas outlet 22.
The electromagnetic valve group that pressure-control valve can be made up of multiple electromagnetic valves, it is also possible to be single four way solenoid valve, is used for controlling air inlet 21, gas outlet 22
, connected state between the first pressure chamber 231 and the second pressure chamber 232.The connected state of pressure-control valve at least two kinds: open preparation state and Guan Bi preparation state.Under opening preparation state, pressure-control valve makes the first pressure chamber 231 connect air inlet 21, second pressure chamber 232 connects outside air or gas outlet 22, thus, the compressed air of air inlet 21 pours into the first pressure chamber 231, and the second pressure chamber 232 compressed air is released, forms the first pressure chamber 231 to the pressure differential of the second pressure chamber 232 and act on slide core 3.Under Guan Bi preparation state, pressure-control valve makes the first pressure chamber 231 connect outside air or gas outlet 22, and the second pressure chamber 232 connects air inlet 21.The compressed air of air inlet 21 pours into the second pressure chamber 232, and the first pressure chamber 231 compressed air is released, and forms the second pressure chamber 232 to the pressure differential of the first pressure chamber 231 and acts on slide core 3.It is, control air inlet, gas outlet, connected state between the first pressure chamber 231 and the second pressure chamber 232 by pressure-control valve, thus control the pressure differential between the first pressure chamber 231 and the second pressure chamber 232, drive slide core 3 to move.
In the present embodiment, pressure-control valve is the four way solenoid valve 1 that doubly-linked leads to suitching type.At the air inlet 21 of air pressure valve body 2, inlet connection 211 is installed, gas outlet connector 221 is installed at gas outlet 22.Four way solenoid valve 1 is fixed on inlet connection 211.Four way solenoid valve 1 is provided with four connectors, respectively AA mouth, AB mouth, BA mouth and BB mouth.AA mouth connects air inlet 21 by the lateral pore on inlet connection 211, and AB mouth connects gas outlet 22 by pore lateral on gas outlet connector 221, and BA mouth connects the first pressure chamber 231, and BB mouth connects the second pressure chamber 232.Four way solenoid valve 1 is provided with two kinds of connected states: the first connection state connects state with second.Under the first connection state, AA mouth is connected with BA mouth, and AB mouth is connected with BB mouth, so that air inlet 21 is connected with the first pressure chamber 231, and makes the second pressure chamber 232 connect gas outlet 22.Under the second connection state, AA mouth is connected with BB mouth, and AB mouth is connected with BA mouth, so that air inlet and the second pressure chamber 232 are connected, and makes the first pressure chamber 231 connect gas outlet 22.It is, the first connection state of four way solenoid valve 1 is the unlatching preparation state of pressure-control valve, the second connection state is the Guan Bi preparation state of pressure-control valve.It should be noted that AB mouth can also be not connected to gas outlet 22 here, and being empty, AB mouth is empty, it is meant that AB mouth connects extraneous air.
Switch triggering mechanism is for making slide core 3 be stuck at the first pressure chamber 231 end or at the second pressure chamber 232 end under electromagnetic mechanism control, and trigger breakdown action when pressure-control valve is in unlatching preparation state, or trigger closed action when pressure-control valve is in Guan Bi preparation state.After switch triggering mechanism triggers breakdown action or closed action, slide core 3 wink under the effect of the first pressure chamber 231 and the second pressure chamber 232 pressure differential moves.Namely, when slide core 3 is stuck at the first pressure chamber 231 end, now, pressure-air valve is in closure state, if now the connected state of pressure-control valve to be adjusted to unlatching preparation state, existing and act on the first pressure chamber 231 of slide core 3 to the pressure differential of the second pressure chamber 232, when switch triggering mechanism breaks off relations, the first pressure chamber 231 acting on slide core 3 moves to the second pressure chamber 232 to the pressure differential promotion slide core 3 of the second pressure chamber 232.When slide core 3 moves to the second pressure chamber 232, slide core 3 is stuck at the second pressure chamber 232 end by switch triggering mechanism hook, so that air inlet 21 connects with gas outlet 22, opens whole air cock, and air cock is in opening.Then pressure-control valve adjusts connected state, it is under Guan Bi preparation state, now, air pressure in second pressure chamber 232 forms the pressure differential acting on slide core 3 higher than the first pressure chamber 231, when switch triggering mechanism breaks off relations again, the second pressure chamber 232 acting on slide core 3 promotes slide core 3 to move to the first pressure chamber 231 to the pressure differential of the first pressure chamber 231, until slide core 3 moves at the first pressure chamber 231 end, switch triggering mechanism again links up with and slide core 3 is stuck at the first pressure chamber 231 end, now, slide core 3 blocks connecting of air inlet 21 and gas outlet 22, air cock returns to closure state.It is, after the pressure differential between the first pressure chamber 231 and the second pressure chamber 232 changes, can't realize breakdown action and the closed action of valve body immediately, only after switch triggering mechanism triggers, valve body can realize breakdown action and closed action.
The switch triggering mechanism of the present embodiment is made up of buckle electromagnetic mechanism 41, pin rod 42 and slide core 3 two hole clippings on the side.Two hole clippings are respectively as follows: the first hole clipping 341 and the second hole clipping 342.First hole clipping 341 and the second hole clipping 342 are positioned at the connecting portion 32 of slide core 3.Buckle electromagnetic mechanism 41 is arranged on outside air pressure valve body 2.Pin rod 42 is arranged on buckle electromagnetic mechanism 41, and through the housing of air pressure valve body 2, it is possible to move along its axis under the driving of buckle electromagnetic mechanism 41.The glide direction being axially perpendicular to slide core 3 of pin rod 42.When slide core 3 is stuck at the first pressure chamber 231 end, the first hole clipping 341 faces pin rod 42 so that pin rod 42 is inserted into the first hole clipping 341.When slide core 3 is stuck at the second pressure chamber 232 end, the second hole clipping 342 faces pin rod 42 so that pin rod 42 is inserted into the second hole clipping 342.When pin rod 42 inserts the first hole clipping 341 or the second hole clipping 342 under the driving of buckle electromagnetic mechanism 41, it is the hook-hanging motion of switch triggering mechanism.When pin rod 42 is extracted from the first hole clipping 341 or the second hole clipping 342 under the driving of buckle electromagnetic mechanism 41, it is the unhook action of switch triggering mechanism.When pin rod 42 is after the first hole clipping 341 or the second hole clipping 342 are extracted, the slide core 3 pressure differential effect lower slider between the first pressure chamber 231 and the second pressure chamber 232.After pin rod 42 inserts the first hole clipping 341 or the second hole clipping 342, slide core 3 also cannot be slided under the pressure differential effect between the first pressure chamber 231 and the second pressure chamber 232.It is, switch triggering mechanism can trigger the movement of slide core 3.For realizing the Accurate align between first hole clipping the 341, second hole clipping 342 and pin rod 42, in the present embodiment, first hole clipping 341 and the second hole clipping 342 are designed to structure as shown in Figure 6, and it is provided with the guide part 343 and pin-and-hole portion 344 reduced from opening to inside diameter.The diameter of opening part is more than the diameter of pin rod 42.The termination of pin rod 42 is round end.Thus, when pin rod 42 inserts the first hole clipping 341 or the second hole clipping 342, pin rod 42 inserts pin-and-hole portion 344 under the guide effect of guide part 343, it is achieved hook-hanging motion.
Electromagnetic drive mechanism, for producing the active force consistent with the pressure differential between the first pressure chamber 231 and the second pressure chamber 232, thus the movement of process auxiliary drive slide core 3.Particularly when valve body is in half-open hemizygous condition, valve body can be reset to closed by electromagnetic drive mechanism.Electromagnetic drive mechanism includes driving electromagnetic mechanism 51 and core bar 52.Drive electromagnetic mechanism 51 to be arranged on the outside of air pressure valve body 2, and connect slide core 3 by penetrating the core bar 52 in air pressure valve body 2.The driving direction driving electromagnetic mechanism 51 is identical with the direction that slide core 3 is slided.Slide core 3 is fixed with core bar 52 by the screw 321 of connecting portion 32 end.Electromagnetic drive mechanism is in addition to process auxiliary drive, it is also possible to subsidiary sensor is in order to detect slide core position in annular seal space, thus judges that present air valve is on state or closed.
Slide, so that first pressure chamber 231 at two ends and the second pressure chamber 232 remain with enough spaces in the sliding chamber that slide core 3 is limited in sliding cavity 201 by slide core position-limit mechanism.The slide core position-limit mechanism of the present embodiment is to be realized by the buffer spring 24 being arranged in the first pressure chamber 231 and the second pressure chamber 232.
Workflow and the principle of the present embodiment pressure-air valve are as follows: for protecting the pressure-air valve of the present embodiment, the pressure-air valve of usual the present embodiment is used in combination with electrodynamic valve in actual applications.After opening electrodynamic valve, the pressure-air valve of the present embodiment enters duty.Under original state, pressure-air valve is in closed.When needing to open, first pass through pressure-control valve and adjust the first pressure chamber 231 and pressure of the second pressure chamber 232, the compressed air in air inlet 21 is poured into the first pressure chamber 231, and by the air emptying in the second pressure chamber 232.Then, opening electromagnetic drive mechanism, produce additional driving force for slide core, switch triggering mechanism carries out unhook action the most again, now, promoted slide core 3 to the second pressure chamber 232 by the common effect of the pressure differential between the first pressure chamber 231 and the second pressure chamber 232 and electromagnetic drive mechanism is lower.Switch triggering mechanism is Accommodation force direction after carrying out unhook action, and when slide core 3 moves at the second pressure chamber 232 end, pin rod 42 will slide core 3 be stuck at the second pressure chamber 232 end so that the pressure-air valve of the present embodiment is opened.After slide core 3 is stuck at the second pressure chamber 232 end by pin rod 42, pressure-control valve begins to adjust pressure, and the compressed air in air inlet 21 pours into the second pressure chamber 232, and by the air emptying in the first pressure chamber 231.After pressure-air valve is opened 5 ~ 6 seconds, pressure-control valve completes the pressure of two pressure chambers and is adjusted into Guan Bi preparation state, when pressure-air valve needs after opening 6 ~ 15 seconds to cut out, it is then turned on electromagnetic drive mechanism, switch triggering mechanism carries out unhook action the most again, is promoted slide core 3 to the first pressure chamber 231 by the common effect of the pressure differential between the second pressure chamber 232 and the first pressure chamber 231 and electromagnetic drive mechanism is lower.Switch triggering mechanism is Accommodation force direction after carrying out unhook action, and when slide core 3 moves at the first pressure chamber 231 end, pin rod 42 will slide core 3 be stuck at the first pressure chamber 231 end so that the pressure-air valve Guan Bi of the present embodiment.
Embodiment 2
With reference to embodiment 1, being different from embodiment 1, the present embodiment realizes pressure-control valve by the electromagnetic valve group of four two three-way electromagnetic valve compositions.As it is shown in fig. 7, the electromagnetic valve group that pressure-control valve is four two three-way electromagnetic valve compositions, four two three-way electromagnetic valves are respectively as follows: two three-way electromagnetic valve 81, two three-way electromagnetic valve 82, two three-way electromagnetic valve 83 and two three-way electromagnetic valves 84.This electromagnetic valve group is provided with four four interfaces being equivalent to four way solenoid valve in embodiment 1: AA mouth, AB mouth, BA mouth and BB mouth.AA mouth, AB mouth, BA mouth and BB mouth are same as in Example 1 with the connected mode of air inlet 21, gas outlet the 22, first pressure chamber 231 and the second pressure chamber 232.AA mouth connects two three-way electromagnetic valve 81 and the air inlets of two three-way electromagnetic valves 82 in parallel, AB mouth connects two three-way electromagnetic valve 83 and the air inlets of two three-way electromagnetic valves 84 in parallel, BA mouth connects two three-way electromagnetic valve 81 and the gas outlets of two three-way electromagnetic valves 83 in parallel, and BB mouth connects two three-way electromagnetic valve 82 and the gas outlets of two three-way electromagnetic valves 84 in parallel.When two three-way electromagnetic valves 81 and two three-way electromagnetic valves 84 are in opening, and when two three-way electromagnetic valves 82 and two three-way electromagnetic valves 83 are in closure state, pressure-control valve is in startup preparation state；When two three-way electromagnetic valves 82 and two three-way electromagnetic valves 83 are in opening, and when two three-way electromagnetic valves 81 and two three-way electromagnetic valves 84 are in closure state, pressure-control valve is in Guan Bi preparation state.
Embodiment 3
With reference to embodiment 1, being different from embodiment 1, the electromagnetic valve group that the present embodiment consists of two three-way magnetic valves realizes pressure-control valve.As shown in Figure 8, pressure-control valve is that two three-way magnetic valves of electromagnetic valve group that two three-way magnetic valves form are respectively as follows: three-way magnetic valve 85, three-way magnetic valve 86.This electromagnetic valve group is provided with four four interfaces being equivalent to four way solenoid valve in embodiment 1: AA mouth, AB mouth, BA mouth and BB mouth.AA mouth, AB mouth, BA mouth and BB mouth are same as in Example 1 with the connected mode of air inlet 21, gas outlet the 22, first pressure chamber 231 and the second pressure chamber 232.The air inlet of AA mouth connecting tee electromagnetic valve 85, the air inlet of AB mouth connecting tee electromagnetic valve 86.First gas outlet of BA mouth connecting tee electromagnetic valve 85 in parallel and the second gas outlet of three-way magnetic valve 86.Second gas outlet of BB mouth connecting tee electromagnetic valve 85 in parallel and the first gas outlet of three-way magnetic valve 86.When air inlet and the connection of the first gas outlet of three-way magnetic valve 85, and when the air inlet of three-way magnetic valve 86 and the connection of the second gas outlet, pressure-control valve is in startup preparation state；When air inlet and the connection of the second gas outlet of three-way magnetic valve 85, and when the air inlet of three-way magnetic valve 86 and the connection of the first gas outlet, pressure-control valve is in Guan Bi preparation state.
Embodiment 4
The present embodiment is the concrete structure of the four way solenoid valve 1 that doubly-linked leads to suitching type in embodiment 1.Four way solenoid valve is common in compressor of air conditioner, but this four way solenoid valve does not adapt to the environment of high pressure of the present invention, has redesigned four way solenoid valve for this present embodiment.This doubly-linked leads to the four way solenoid valve of suitching type, as it is shown in figure 9, include: lifting electromagnetic mechanism 11, valve body 12, spool 13.Lifting electromagnetic mechanism 11 is arranged on the top of valve body 12, is used for driving spool 13 to lift.Valve body 12 is square structure, is provided with the valve pocket 14 of the cylindrical structural being vertically arranged, and is provided with four interfaces: AA mouth, AB mouth, BA mouth, BB mouth.Four interfaces are symmetricly set in four limits of valve body 12, its axle center level the central axis with valve pocket 14.Four interfaces are connected with valve pocket 14.AA mouth, AB mouth, BA mouth, the axle center of BB mouth are positioned in same level, and face the central shaft of valve pocket 14, between any two in an angle of 90 degrees.Spool 13 is placed in valve pocket 14, and is connected with lifting electromagnetic mechanism 11, can in the vertical direction lifting under the driving of lifting electromagnetic mechanism 11.
The concrete structure of spool 13 as shown in Figure 10, including spool main body 131, upper cover plate 132, lower cover slip 133.Spool main body 131, overall in cylindrical structure, it is provided with 135, two groups of water conservancy diversion groovings of four sealing leads vertically set up and three groups of sealing ring groups.Seal lead 135 and be arranged on the edge of spool main body 131, and with the axis parallel of spool 13.Seal lead 135 3/2nds to four/3rds is positioned at spool main body 131, its excess-three divide 1/1st to four part be stuck in the cavity wall of valve pocket 14.Specifically, spool main body 131 is provided with the breach of 2 to four/3rds/three-arc, seals lead 135 and is inserted in this breach, and is fixed by the upper cover plate 132 at upper and lower two ends, lower cover slip 133.The cavity wall of valve pocket 14 is provided with the breach of three/mono-to quarter circular arc, and after spool 13 is placed in valve pocket 14,1 to four/3rd/part sealing lead 135 is stuck in this breach.Spool 13 is arranged on structure that valve pocket 14 formed as shown in Figure 11,12, and four seal the leads 135 line with the axle center of valve pocket 14 each other in an angle of 90 degrees.Four seal lead 135 and four interface staggered interval layouts, and sealing lead 135 is 45 degree of angles with the central shaft of the line in the axle center of valve pocket 14 with adjacent interface.In the present embodiment, seal the column that lead 135 is made up of encapsulants such as politef, in addition to realizing sealing, seal lead 135 and also act as the effect of slide-and-guide, it is to avoid spool 13 causing when reciprocatingly sliding in valve pocket 14 himself rotates around axle center.
Two groups of water conservancy diversion groovings are respectively the first water conservancy diversion grooving group 1311 and the second water conservancy diversion grooving group 1312.Often group water conservancy diversion grooving is formed by two relative water conservancy diversion groovings.Water conservancy diversion grooving is the horizontal cell body offered on the cylinder cylinder of spool main body 131.Often two water conservancy diversion groovings of group water conservancy diversion grooving are parallel to each other and symmetrical centered by the axle center of spool 13.First water conservancy diversion grooving group 1311 and the second water conservancy diversion grooving group 1312 have different height, and wherein the first water conservancy diversion grooving group 1311 is up, and the second water conservancy diversion grooving group 1312 is in lower section.Relative to the axle center of spool 13, there is between the first water conservancy diversion grooving group 1311 and the second water conservancy diversion grooving group 1312 angle of 90 degree.Spool 13 lifts under lifting electromagnetic mechanism 11 drives, when the first water conservancy diversion grooving group 1311 flushes with AA mouth, AB mouth, BA mouth, four interfaces of BB mouth, as shown in figure 11, two water conservancy diversion groovings of the first water conservancy diversion grooving group 1311 are respectively communicated with AA mouth and BA mouth, and connect AB mouth and BB mouth, now, this doubly-linked leads to the four way solenoid valve of suitching type and is in the first connection state.When the second water conservancy diversion grooving group 1312 flushes with AA mouth, AB mouth, BA mouth, four interfaces of BB mouth, as shown in figure 12, two water conservancy diversion groovings of the second water conservancy diversion grooving group 1312 are respectively communicated with AA mouth and BB mouth, and connect AB mouth and BA mouth, now, this doubly-linked leads to the four way solenoid valve of suitching type and is in the second connection state.
Three groups of sealing ring groups are respectively first sealing ring group the 1351, second sealing ring group the 1352, the 3rd sealing ring group 1353.First sealing ring group 1351 is positioned at the top of the first water conservancy diversion grooving group 1311, and the second sealing ring group 1352 is between the first water conservancy diversion grooving group 1311 and the second water conservancy diversion grooving group 1312, and the 3rd sealing ring group 1353 is positioned at the lower section of the second water conservancy diversion grooving group 1312.Thus, when four interfaces and the first water conservancy diversion grooving group 1311 flush, first sealing ring group the 1351, second sealing ring group 1352 and four sealing leads 135 play sealing function；When four interfaces and the second water conservancy diversion grooving group 1312 flush, the second sealing ring group the 1352, the 3rd sealing ring group 1353 and four sealing leads 135 play sealing function.
Claims (10)
1. a heavy caliber quick pressure-air valve, it is characterised in that include pressure-control valve, air pressure valve body (2) and switch triggering mechanism；Air pressure valve body (2) is provided with air inlet (21), gas outlet (22), and inside is provided with annular seal space；Slide core (3) it is provided with in described annular seal space；Slide core (3) can be slided at the mid portion of described annular seal space；Slide core (3) is provided with passage (31)；Passage (31) is perpendicular to the direction that slide core (3) is slided；Slide core (3) is positioned at the centre of described annular seal space so that two pressure chambers of two ends formation of described annular seal space: the first pressure chamber (231) and the second pressure chamber (232)；First pressure chamber (231) and the second pressure chamber (232) are equipped with air guide port (233)；Described pressure-control valve is used for controlling the connected state between air inlet (21), gas outlet (22), the first pressure chamber (231) and the second pressure chamber (232)；Described connected state at least two kinds: open preparation state and Guan Bi preparation state；Opening under preparation state described, described pressure-control valve makes the first pressure chamber (231) connection air inlet (21), the second pressure chamber (232) connection outside air or gas outlet (22)；Under described Guan Bi preparation state, described pressure-control valve makes the first pressure chamber (231) connection outside air or gas outlet (22), the second pressure chamber (232) connection air inlet (21)；Switch triggering mechanism is for making slide core (3) be stuck at the first pressure chamber (231) end or at the second pressure chamber (232) end under electromagnetic mechanism control, and trigger breakdown action when pressure-control valve is in unlatching preparation state, trigger closed action when pressure-control valve is in Guan Bi preparation state；When slide core (3) is stuck at the first pressure chamber (231) end, slide core (3) obstruction air inlet (21) connects with gas outlet (22)；When slide core (3) is stuck at the second pressure chamber (232) end, the passage (31) connection air inlet (21) and gas outlet (22) of slide core (3).
2. heavy caliber quick pressure-air valve as claimed in claim 1, it is characterized in that, described switch triggering mechanism includes buckle electromagnetic mechanism (41), pin rod (42), the first hole clipping (341) and the second hole clipping (342)；Buckle electromagnetic mechanism (41) is arranged on air pressure valve body (2) outward；Pin rod (42) is arranged on buckle electromagnetic mechanism (41), and through the housing of air pressure valve body (2), it is possible to move along its axis under the driving of buckle electromagnetic mechanism (41)；The glide direction being axially perpendicular to slide core (3) of pin rod (42)；First hole clipping (341) and the second hole clipping (342) are slide core (3) two hole clippings on the side；When slide core (3) is stuck at the first pressure chamber (231) end, the first hole clipping (341) faces pin rod (42) so that pin rod (42) is inserted into the first hole clipping (341)；When slide core (3) is stuck at the second pressure chamber (232) end, the second hole clipping (342) faces pin rod (42) so that pin rod (42) is inserted into the second hole clipping (342).
3. heavy caliber quick pressure-air valve as claimed in claim 2, it is characterized in that, the guide part (343) that described first hole clipping (341) and the second hole clipping (342) reduce from opening to inside diameter, the diameter of opening part is more than the diameter of pin rod (42)；The termination of pin rod (42) is round end.
4. heavy caliber quick pressure-air valve as claimed in claim 1, it is characterised in that air pressure valve body (2) is made up of sliding cavity (201), the first valve gap (202) and the second valve gap (203)；It is provided with sliding chamber in sliding cavity (201)；First valve gap (202) and the second valve gap (203) lay respectively at the two ends of sliding cavity (201)；First pressure chamber (231) is positioned at the first valve gap (202)；Second pressure chamber (232) is positioned at the second valve gap (203)；It is positioned at after first valve gap (202) at sliding cavity (201) two ends and the second valve gap (203) seal with sliding cavity (201) so that the first pressure chamber (231), the second pressure chamber (232) and the described sliding chamber described annular seal space of composition.
5. heavy caliber quick pressure-air valve as claimed in claim 1, it is characterised in that be provided with buffer spring (24) in the first pressure chamber (231) and the second pressure chamber (232).
6. heavy caliber quick pressure-air valve as claimed in claim 1, it is characterised in that slide core (3) includes connecting portion (32) and sealing (33)；Connecting portion (32) and sealing (33) are two coaxial cylinders；The glide direction of slide core (3) is parallel to connecting portion (32) and the axle center of sealing (33)；Passage (31) is positioned at sealing (33)；Sealing (33) is provided with two symmetrical sealing column (35) and three groups of sealing rings；Sealing column (35) is parallel to connecting portion (32) and the axle center of sealing (33)；Sealing column (35) is arranged on the edge of sealing (33), and it 3/2nds to four/3rds is positioned at sealing (33), its excess-three divide 1/1st to four part be stuck in the cavity wall of described annular seal space；Described three groups of sealing rings are: the first sealing ring (331), the second sealing ring (332) and the 3rd sealing ring (333)；First sealing ring (331) is near the first pressure chamber (231)；3rd sealing ring (333) is near the second pressure chamber (232)；Second sealing ring (332) is positioned at the first sealing ring (331) and the centre of the 3rd sealing ring (333)；Passage (31) is positioned between the first sealing ring (331) and the second sealing ring (332).
7. heavy caliber quick pressure-air valve as claimed in claim 1, it is characterised in that also include driving electromagnetic mechanism (51)；Drive electromagnetic mechanism (51) to be arranged on the outside of air pressure valve body (2), and connect slide core (3) by penetrating the core bar (52) in air pressure valve body (2)；The driving direction driving electromagnetic mechanism (51) is identical with the direction that slide core (3) is slided.
8. heavy caliber quick pressure-air valve as claimed in claim 1, it is characterised in that described pressure-control valve is the four way solenoid valve (1) that doubly-linked leads to suitching type；Four way solenoid valve (1) is provided with four connectors, respectively AA mouth, AB mouth, BA mouth and BB mouth；AA mouth connects air inlet (21), and AB mouth is empty or connects gas outlet (22), and BA mouth connects the first pressure chamber (231), and BB mouth connects the second pressure chamber (232)；Four way solenoid valve (1) is provided with two kinds of connected states: the first connection state connects state with second；Connecting under state described first, AA mouth is connected with BA mouth, and AB mouth is connected with BB mouth；Connecting under state described second, AA mouth is connected with BB mouth, and AB mouth is connected with BA mouth.
9. heavy caliber quick pressure-air valve as claimed in claim 1, it is characterised in that described pressure-control valve is the electromagnetic valve group being made up of four two three-way electromagnetic valves.
10. heavy caliber quick pressure-air valve as claimed in claim 1, it is characterised in that described pressure-control valve is the electromagnetic valve group being made up of two three-way magnetic valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620460607.2U CN205781080U (en) | 2016-05-19 | 2016-05-19 | A kind of heavy caliber quick pressure-air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620460607.2U CN205781080U (en) | 2016-05-19 | 2016-05-19 | A kind of heavy caliber quick pressure-air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205781080U true CN205781080U (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620460607.2U Withdrawn - After Issue CN205781080U (en) | 2016-05-19 | 2016-05-19 | A kind of heavy caliber quick pressure-air valve |
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| Country | Link |
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| CN (1) | CN205781080U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805362A (en) * | 2016-05-19 | 2016-07-27 | 江苏恒达动力科技发展股份有限公司 | Large-caliber quick high-pressure air valve |
| CN107727388A (en) * | 2017-11-30 | 2018-02-23 | 浙江玉龙车业有限公司 | A kind of air valve flow testing system |
-
2016
- 2016-05-19 CN CN201620460607.2U patent/CN205781080U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805362A (en) * | 2016-05-19 | 2016-07-27 | 江苏恒达动力科技发展股份有限公司 | Large-caliber quick high-pressure air valve |
| CN105805362B (en) * | 2016-05-19 | 2017-04-26 | 江苏恒达动力科技发展股份有限公司 | Large-caliber quick high-pressure air valve |
| CN107727388A (en) * | 2017-11-30 | 2018-02-23 | 浙江玉龙车业有限公司 | A kind of air valve flow testing system |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20170426 |