A kind of micropore atomization device with check valveTechnical field
The present invention relates to a kind of atomizers, especially micropore atomization device.
Background technique
Currently used atomizing piece is divided into piezoelectric ceramic atomizer patch and micropore atomization piece.The piezoelectric ceramic atomizer patch needsIt is placed into liquid and generates high-frequency resonant under the control of drive control circuit, aqueous water minor structure is broken up and is generatedNaturally elegant water mist.And the working environment and atomizing principles of the micropore atomization piece are then entirely different.The mist of micropore atomization pieceChange region to be made of several to the several hundred apertures more than or equal to 5um, by the way that electric energy is converted into mechanical energy, micropore atomization pieceThe liquid of atomizing piece behind is formed forward tiny particle by aperture and sprayed by high-frequency vibration (several hundred K~a few MHZ).When micro-When the atomizing piece horizontal spraying of hole, there are pressure for aperture of the liquid of the certain altitude inside bottle to micropore atomization piece, work as pressureGreater than aperture osmotic pressure when, liquid can overflow outward from aperture, formed " leakage ".In addition, and when in the liquid containerAir pressure when being greater than external atmosphere pressure, especially when external temperature increases, the air of bottle bottom can expanded by heating, pressure literHeight, the liquid inside bottle increase the pressure of aperture, and liquid can ooze out outward from aperture, be formed " leakage ".
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of atomization dress for effectivelying prevent water droplet to leak outside from atomizing pieceIt sets.
The solution that the present invention solves its technical problem is: a kind of micropore atomization device with check valve, including installationSeat, is equipped with liquid storage bottle and micropore atomization device in the mounting base, including connecting cavity in the mounting base, the liquid storage bottle with it is micro-Hole atomizer is connected to by connecting cavity, further includes air accumulator, and the air accumulator is located at the lower section of liquid storage bottle, the air accumulator and storageIt is connected between liquid bottle by exhaust pipe, check valve is additionally provided in the air accumulator, the discharge directions of the check valve are from introversiveOuter exhaust.
The beneficial effects of the present invention are: the present invention is set in air accumulator by increasing an air accumulator in the lower section of liquid storage bottleIt is equipped with a check valve, when the air of liquid storage bottle bottom is in expanded by heating, gas can be reached in air accumulator by exhaust pipe, when swollenWhen swollen gas pressure reaches certain value, check valve can be opened, toward external outflow from air accumulator, liquid storage bottle air pressure inside and outerBecause internal pressure becomes larger the phenomenon of leakage will not occur for portion's atmospheric pressure balance, micropore atomization piece.
As a further improvement of the above technical scheme, the mounting base includes vertical connecting tube and transverse connecting pipe,The liquid storage bottle is connected in vertical connecting tube, and the micropore atomization device is connected on transverse connecting pipe, the vertical connecting tubeIt is connected to transverse connecting pipe by connecting cavity, the cross section of the connecting cavity is L shape.Liquid storage bottle is inversely installed and is vertically being connectedOn adapter tube, the liquid in liquid storage bottle can be made to be automatically replenished under the action of self-weight, and micropore atomization device is mounted on and laterally connectsOn adapter tube, contact of the micropore atomization piece with liquid can be made more sufficiently also to facilitate control pressure.
As a further improvement of the above technical scheme, the exhaust pipe runs through the vertical connecting tube, the exhaustThe outside of the lower part of pipe is connect with the sealed bottom of vertical connecting tube.Since exhaust pipe can run through connecting cavity, in order to prevent liquidIt is leaked out from exhaust pipe, needs that encapsulation process will be done between exhaust pipe and vertical connecting tube.
In order to facilitate production, it is preferable that the exhaust pipe includes upper branch pipe and lower branch line, and the upper branch pipe is inserted in liquid storageIn bottle, the lower branch line is connected to air accumulator, and the lower branch line is located in connecting cavity and is integrally formed with connecting cavity, the upper branchSealing ring is equipped between pipe and lower branch line.The lower branch line is specifically integrally formed with vertical connecting tube, and lower branch line is upperEnd is connect with the lower end of upper branch pipe by sealing ring, it is possible to prevente effectively from liquid is leaked out from exhaust pipe.
As a further improvement of the above technical scheme, the upper branch pipe includes connector and tube body, and the tube body gos deep intoIn liquid storage bottle, the connector is equipped with through-hole and cavity, and the liquid storage bottle is connected to by through-hole with connecting cavity；The sealingCircle nesting is mounted in cavity.It is mounted on the bottleneck of liquid storage bottle using connector, then the liquid in liquid storage bottle is from through-holeIt is flowed into connecting cavity, then sealing ring nesting is mounted in cavity, without facilitating the installation of sealing ring, and to sealEffect is more preferable.
As a further improvement of the above technical scheme, the check valve includes piston, reset spring and sealing cover, instituteStating air accumulator includes exhaust outlet, and the sealing cover covers the head end in piston, and the sealing cover covers the exhaust outlet, described multipleFor position spring pocket on piston, the inner wall other end that one end of the reset spring resists air accumulator resists the end of piston.BenefitReaction is provided with reset spring, prevents being opened accidentally for check valve, after the air pressure inside air accumulator increases, air pressure overcomes bulletThe active force of spring, so that piston driving sealing cover is displaced outwardly, so that exhaust outlet is opened, so that the air pressure inside of liquid storage bottle is flatWeighing apparatus, and after air pressure balance, reset spring drives sealing cover to move inward, and resists exhaust outlet again, forms effective sealing.
As a further improvement of the above technical scheme, the head end of the piston includes annular groove, the end of the pistonIncluding boss, the sealing cover includes lid and cover rim, and the lid covers in annular groove, and the cover rim tilts from the outside to the core,The cover rim resists the exhaust outlet；The reset spring resists the boss of piston.Since cover rim tilts from the outside to the core, work as storageWhen liquid bottle air pressure inside is less than outside air, external pressure pushes down the outer surface of cover rim, and the wall of sealing cover and exhaust outlet is moreIt seals even closer, prevents external pressure from entering inside, moreover, because have the liquid of certain altitude inside liquid storage bottle, liquid meetingGenerate certain hydraulic, hydraulic effective supplement that may be implemented to the liquid in transverse connecting pipe.
As a further improvement of the above technical scheme, it is connected through a screw thread between the liquid storage bottle and vertical connecting tube,The first sealing ring is equipped between the liquid storage bottle and vertical connecting tube.Closed is formd between liquid storage bottle and vertical connecting tubeState reduces the risk of liquid leakage.
As a further improvement of the above technical scheme, the micropore atomization device includes micropore atomization piece, gland, the pressureLid be fixedly connected with transverse connecting pipe, the micropore atomization piece is sandwiched between gland and transverse connecting pipe, the gland andThe second sealing ring is additionally provided between transverse connecting pipe.Micropore atomization piece is installed using gland, facilitate it is subsequent maintenance withReplacement.Gland can be fixedly connected by way of screw with transverse connecting pipe.
As a further improvement of the above technical scheme, the gas outlet of taper, the gas outlet pair are equipped in the glandMicropore atomization piece.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodimentAttached drawing is briefly described.Obviously, described attached drawing is a part of the embodiments of the present invention, rather than is all implementedExample, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designsScheme and attached drawing.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is partial enlarged view A of the invention.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clearChu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hairBright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paidOther embodiments obtained, belong to the scope of protection of the invention under the premise of creative work.In addition, be previously mentioned in textAll connection/connection relationships not singly refer to that component directly connects, and referring to can be added deduct according to specific implementation situation by addingFew couple auxiliary, Lai Zucheng more preferably coupling structure.Each technical characteristic in the invention, in not conflicting conflictUnder the premise of can be with combination of interactions.
Embodiment one, referring to Fig.1~Fig. 2, a kind of micropore atomization device with check valve, including mounting base 1, the installationInclude connecting cavity 4 in seat 1, liquid storage bottle 2 and micropore atomization device 3 are installed in the mounting base 1, the mounting base 1 includes verticalConnecting tube 11 and transverse connecting pipe 12, the liquid storage bottle 2 are connected in vertical connecting tube 11, and the micropore atomization device 3 connectsOn transverse connecting pipe 12, the vertical connecting tube 11 is connected to transverse connecting pipe 12 by connecting cavity 4, the cross of the connecting cavitySection is L shape.Further include air accumulator 5, the air accumulator 5 is located at the lower section of liquid storage bottle 2, the air accumulator 5 and liquid storage bottle 2 itBetween be equipped with and be connected to by exhaust pipe 6, check valve 7 is additionally provided in the air accumulator 5, the discharge directions of the check valve 7 are inIt is vented outwards.
The exhaust pipe 6 includes upper branch pipe 61 and lower branch line 62, and the upper branch pipe 61 is inserted in liquid storage bottle 2, it is described onBranch pipe 61 includes connector 611 and tube body 612, and the tube body 612 gos deep into liquid storage bottle, and the connector 611 is equipped with through-holeAnd cavity, the liquid storage bottle 2 are connected to by through-hole with connecting cavity, the lower branch line 62 is connected to air accumulator 5, the lower branch line62 are located in connecting cavity 4 and are integrally formed with connecting cavity, and sealing ring 63 is equipped between the upper branch pipe 61 and lower branch line 62, described63 circle nesting of sealing is mounted in cavity.The outer wall of connector resists the bottleneck of liquid storage bottle, so that upper branch pipe can be fineGround is mounted in liquid storage bottle.
The check valve 7 includes piston 71, reset spring 72 and sealing cover 73, and the head end of the piston 71 includes annularThe end of slot, the piston 71 includes boss, and the air accumulator 5 includes exhaust outlet 51, and 73 sets of the sealing cover is in piston 71Head end, the sealing cover 73 include lid and cover rim, and the lid covers in annular groove, and the cover rim tilts from the outside to the core, instituteIt states cover rim and resists the exhaust outlet 51, for 72 sets of the reset spring on piston, one end of the reset spring resists gas storageThe inner wall other end of tank resists the boss of piston.
The check valve in addition to the above described configuration, can also use other check valve knots commonly used in the prior artStructure.
The micropore atomization device of the present embodiment, which is generally mounted in atomizer, to be used, atomizer will include casing, power supply,Control circuit etc., and this micropore atomization device has been typically mounted in casing, certainly, liquid storage bottle may be mounted at outside casing, andLiquid storage bottle usually with the casing of atomizer is removable separates connection, be convenient for changing atomized liquid.When use, by a certain amount of liquidIt is stored in liquid storage bottle, then tips upside down on liquid storage bottle 2 in vertical connecting tube 11, the liquid in liquid storage bottle is flowed out from bottleneck, soVertical connecting tube is entered from the through-hole of connector 611 afterwards, then then flows into transverse connecting pipe, and be located at the interior of micropore atomization pieceSide, micropore atomization piece include many tapered micro holes, and liquid is flowed into the tapered micro holes.Start atomizer, micropore mist at this timeChange piece work, the liquid shell for being stored in tapered micro holes is shot out by micropore atomization piece high speed bending vibration, to form mist.
When internal pressure is equal with external pressure, complete machine internal structure is in hermetically sealed state, liquid storage bottle inside oneThe liquid for determining height has pressure effect to micropore atomization piece, and since inside is in sealing state, liquid will not go out ooze out from micropore.When liquid storage bottle bottom air expanded by heating, gas can from the top of liquid storage bottle by upper branch pipe subsequently into lower branch line and lastAir accumulator is reached, when the gas pressure of expansion reaches certain value, check valve can be opened, gas is from air accumulator toward external streamOut, liquid storage bottle air pressure inside and external pressure balance, and micropore atomization piece will not occur leakage and show because internal pressure becomes largerAs.When air pressure inside is less than external pressure, external pressure has pressure effect, the side of sealing cover 73 and exhaust outlet to sealing cover 73Wall can seal even closer, prevent external pressure from entering inside.
It is further used as preferred embodiment, is connected through a screw thread between the liquid storage bottle 2 and vertical connecting tube 11, instituteIt states and is equipped with the first sealing ring 8 between liquid storage bottle 2 and vertical connecting tube 11.
It is further used as preferred embodiment, the micropore atomization device 3 includes micropore atomization piece 31, gland 32, describedGland 32 is fixedly connected with transverse connecting pipe 12, the micropore atomization piece 31 be sandwiched in gland 32 and transverse connecting pipe 12 itBetween, the second sealing ring 9 is additionally provided between the gland 32 and transverse connecting pipe.The gas outlet of taper is equipped in the gland 32,The gas outlet is against micropore atomization piece 31.
Embodiment two:
The connecting cavity can also be that linear type micropore atomization device is located at liquid storage bottle other than being " L " fontSide, and air accumulator is still located at the lower section of liquid storage bottle, other structures are identical with embodiment one.
Better embodiment of the invention is illustrated above, but the invention is not limited to the implementationExample, those skilled in the art can also make various equivalent modifications on the premise of without prejudice to spirit of the invention or replaceIt changes, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.