CN101049587A - Motor driven spray device - Google Patents
Motor driven spray device Download PDFInfo
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- CN101049587A CN101049587A CN 200710102604 CN200710102604A CN101049587A CN 101049587 A CN101049587 A CN 101049587A CN 200710102604 CN200710102604 CN 200710102604 CN 200710102604 A CN200710102604 A CN 200710102604A CN 101049587 A CN101049587 A CN 101049587A
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Abstract
The present invention is a dispenser adapted to couple to a fluid container having an opening surrounded by a neck. The dispenser comprises a cap, a dispensing head, an energy source, and a conduit. The cap is adapted to seal the opening fluid tight when the dispenser is coupled to the container. The dispensing head is rotatably secured to the cap and includes a fluid pump, a motor adapted to power the pump, a trigger adapted to actuate the motor, and a nozzle orifice in fluid communication with a discharge end of the pump. The energy source is electrically connected to the motor and extends inside the container. The conduit has a first end in fluid communication with an intake end of the pump and a second end inside the container.
Description
The application was called dividing an application of " power spraye ", No. 200410062861.9 application for a patent for invention to Patent Office of the People's Republic of China's submission, name on June 22nd, 2004.
Present patent application requires in the priority that on December 18th, 2003 submitted to, application number is 60/530,869 U.S. Provisional Patent Application, and this application is here quoted comprehensively.
Technical field
The present invention relates to be used to spray the utensil and the method for material, more particularly, the present invention relates to be used for the apparatus and method of spray fluid, and relate to a kind of power spraye that the container of the fluid that will be sprayed is housed that is used to be connected in.
Background technology
Manual sprayer usually is to be contained in that to fill such as window and bathroom detergent or trade mark be on the container of household liquids of ARMORALL .Handle by the repetitive operation sprayer can be gone out household liquids from manual atomizers spray.This is very hard.Therefore, developed the power spraye that can replace the hand operated sprayer.
The power spraye of prior art also exists many shortcomings so far.At first, it often can not be directly installed on the household liquids container of lifting down from the shelf in shop, but but must be by the user pack into the container of special use of adapted sprayer of the liquid of buying.This is not only dirty and messy but also inconvenient concerning the user.
Secondly, the fog-spray nozzle of existing power spraye or housing are basically all than the hand operated sprayer of standard not only greatly but also heavy.Thereby existing power spraye is all very heavy, and their the price also sprayer than on-electric is expensive.At least owing to these reasons, its market sale is bad.
Summary of the invention
Therefore, this field needs the size of a kind of its fog-spray nozzle or housing and the power spraye that planform can both match in excellence or beauty with the hand operated sprayer of standard now.
In one embodiment of the invention, this kind sprayer comprises an electronic liquid spray head or claims the atomizing pump assembly.It comprises an operating mechanism for user's operation, and the operator is as long as pulloff formula switch just can rely on electric power that any liquid or fluent material are automatically sprayed away.The fluent material that power spraye of the present invention can spray or spray comprises the various cleaning agent class materials such as glass cleaner.The present invention also can add this class material and sprays together behind the water or reach superfine atomizing, and can be used for spraying insecticide, mould inhibitor etc.Can also be used to spray product or material widely, for example sun-screening agent, liquid cleaner, disinfectant, herbicide, in fact comprise can spray with spraying, atomizing, steam, jet, aerosol or mist, spraying or any material of using.
In one embodiment, sprayer of the present invention comprises a housing, and it is designed to be fit to be connected in the typical, commonly used of splendid attire flowing material or other container.An exemplary of this container is the bottle that is used for splendid attire door and window cleaning agent commonly used.Sprayer of the present invention particularly its nozzle can be adjusted to from spraying superfine mist to ejecting very strong fluid column.
In one embodiment, the present invention includes a suction pipe, it is arranged in the container or bottle that sprayer connects, and enough softnesses of this suction pipe and lower end add a pouring weight, makes sprayer also can spray liquid under the tilted bottle even the situation of turning around.
In one embodiment, the pouring weight that is attached to the suction pipe end is the brass weights that there is groove the termination of a die casting.The suction inlet that these grooves can make the suction pipe that communicates with pouring weight can be not blocked or be blocked by bottle wall.In one embodiment, additional the suction pipe of pouring weight is arranged is the pipe of flexible extraordinary silicone tube or similar material, can certainly select other material, as long as its enough softness.The length of suction pipe should be chosen as to be unlikely and cause self winding.
In one embodiment, the present invention includes an electronic liquid atomizing pump, it is contained on the typical container or bottle of the various liquid of splendid attire interchangeably.Atomizing pump of the present invention can be applicable to various uses.For example, can or spray the cleaning solution of door and window cleaning agent and so on its spraying at home, the various cleaning materials that can be used for cleaning vehicle in the garage with atomizers spray of the present invention or spraying, sprayer of the present invention can be used for spraying insecticide, herbicide or sprays water to plant leaf in the garden.No matter every present place with the manual pump sprayer is at home or in the workplace, can use power spraye of the present invention.
In one embodiment, pump installation of the present invention or sprayer are equipped with two batteries (as long as suitably can at will use several batteries), and when sprayer of the present invention was connected in bottle or container, these batteries were contained in container or the bottle with the case of a tubulose.In other embodiments, can be with other suitable power supply (for example capacitor, capacitor group etc.).
In one embodiment, sprayer of the present invention comprises a trigger-type switch, attaching type trigger for example, and it is used to connect the electrodynamic pump desorption system, makes liquid arrive the nozzle of sprayer with certain pressure and can be emitted into the mist of different fogging degrees according to adjustment.This trigger allows to carry out " ON/OFF " control with finger tip.The user only needs pulloff simply when needing spraying, when releasing trigger spraying will stop.In one embodiment, additional in bottle has the suction pipe of pouring weight to allow sprayer to spray at any angle.
In one embodiment, sprayer of the present invention is designed to be used in the cleaning agent bottle of any standard, comprises that also the user can pour into the old soldi of the liquid substance that will spray inward.
In certain embodiments, little funnel can be set.Other characteristics of the present invention also comprise adjustable nozzle, by adjusting nozzle, and can be from spraying superfine mist to the powerful fluid column of ejection.The structure of fog-spray nozzle device of the present invention can be used in typical standard-sized bottle or container, and in certain embodiments, it is configured to and can be applicable to the bottle with different bottle mouth size by adjustment.In one embodiment, characteristics are with the connector that is threaded.Circuits System among the present invention is a waterproof, thereby its each element can not be subjected to corrosion or corrosion because of the chemicals of contact water or cleaning agent or soap water and so on.In one embodiment, the present invention includes the nozzle that an electric piston pump and are used to be connected in the container of the liquid that splendid attire will spray.In other several embodiment, the present invention can comprise gear pump or other pump that is suitable for suction mechanism.
In one embodiment, the present invention includes one and be used to install or be connected in a spraying device (dispensing attachment) that is loaded with the container of the material that will spray, wherein, this sprayer comprises for example power supply, a motor, an operating mechanism, a pump, a nozzle and a suction pipe of battery.
In certain embodiments, the present invention includes a safety lock, this safety lock can comprise any suitable method, makes the operator can pin and discharge trigger of the present invention (trigger) or action button easily.In one embodiment, this safety lock can comprise safety lock sealed/declutcher control lever or sliding-type button.In certain embodiments, the present invention can make one and has the safety cap that prevents that children from using.
In one embodiment, the present invention includes an electric spraying device, this device comprises a motor, a piston pump, additional suction line or title suction pipe, a battery pipe and the adjustable nozzle that pouring weight is arranged.Can partly couple together each drain of the present invention with suitable liquid conduits and constitute fluid path.In one embodiment, the present invention replaces on this class sprayer manual pump and switch pump or operating mechanism commonly used with simple trigger or press button, can make the user needn't repetitiousness firmly stretch bent finger and produce pump-absorb action.In certain embodiments, switch can be that two state of switch in " opening "/" pass " are arranged.In certain embodiments, can use the switch of adjustable speed.Speed-regulating switch can adopt microprocessor, variable potentiometer or other suitable control element.
An advantage of fog-spray nozzle of the present invention is that battery or other power supply that is suitable for used when fog-spray nozzle is connected on the bottle can be contained in the bottle, and this makes the weight of sprayer of the present invention dispose balance, and is easy to use, comfortable feel.
In one embodiment, the entire pump device comprises its handle portion and the battery pipe that extend in the bottle, is configured to can be used as an integral body and rotates with respect to the button cap of screwing on screw thread, and this is convenient to fog-spray nozzle is attached on bottle or other container.
In one embodiment, can rotary nozzle spray or the injection form of ejection fluid column to select to comprise.On the nozzle surface can with literal or graphic go out these and/or other spray form.In certain embodiments, can adopt suitable electronic component that sprayer of the present invention is made and have sensing and indication characteristics and/or Electronic Control characteristics, for example adjustable spray pressure control.For example, spray pressure, the interior remaining liquid measure of bottle etc. can be experienced and show to sprayer.
In one embodiment, the present invention includes electronic spraying pump head (spray pump head), it comprise a battery pipe, a few batteries, as the pipette of straw or claim suction pipe, flexible pipe, pump, motor and gear assembly, safety lock sealed/releasing piece, starting liquid-filled chamber, a multidigit nozzle (multiple position nozzle), a trigger-type contact-making switch, a trigger and the additional suction pipe that pouring weight is arranged.Safe locking plate can be constructed to be permeable to interdict power supply and/or can mechanically allow or not allow pulloff.
Each parts of the present invention all are contained in the housing rightly, and this housing can be got up by several part assembly units, also can be integrally formed.
In one embodiment, the present invention includes a housing that is used to contain or claim to accommodate workpiece of the present invention.At the port of export of housing, the present invention includes one and be used to adjust the cap of spraying nozzle that sprays form.Inside is provided with packing ring and the rubber washer that is used to seal, and also is provided with the axial end cap that is used to seal the port of export.Fluid path in housing of the present invention comprises one first check valve, suitable tube connector and one second check valve.One end of second check valve is connected in a plunger shaft, has piston ring in this plunger shaft and is used to produce the pistons reciprocating bar.But piston ring and piston rod place of working are connected in a gear-box, and this gear-box is by a Motor Drive.These parts all are contained in this housing and the axial end cap rightly.Housing is configured to have the screw thread as the bottle cap, so that be connected in bottleneck.Battery pipe or title battery case entirely pass the bottle cap part and stretch in the bottle downwards.This can be any requisite number purpose battery waterproofing protection is provided.
In the suction side, the present invention includes the absorption tube (absorbent tube) that one one end has a plastic hoop and pipe connection.A push button trigger is the swing fulcrum with the housing, and safety lock is operably connected to housing, so as to the function of control trigger.
A suitable valve or volume control device can be set, for example can realize pressure balance with one or several suitable check valve.
In one embodiment, the present invention includes a hand-held spray gun and liquid feed device, this device comprises that one has the housing of the part that is suitable for holding, a pump assembly that comprises a pump and a nozzle that is installed in this housing, this pump includes the fluid cylinder of suction inlet and is installed in the interior piston of this fluid cylinder, is used for liquid is pumped into nozzle from suction inlet.A motor mounting is in housing, and battery is to be contained in special and the container that housing is communicated with.On the surface of housing, be provided with a switch near the hand grip portion branch, be used to control motor, and then control pump and stretch into pipe in the container, so that liquid is delivered to outlet by suction inlet and sprays from nozzle from container from housing.
The present invention is a sprayer in another embodiment, and it is configured to be connected in a fluid container that has by the circumjacent opening of neck.This sprayer comprises a button cap, a fog-spray nozzle, a power supply and a conduit.Can fluid when the button cap is formed at sprayer and is connected in container the opening of airtight container hermetically.Fog-spray nozzle is anchored on the button cap rotationally and comprises that a fluid pump, one are used to drive pump motor, a trigger and a nozzle spray orifice that is communicated with the outlet side fluid of pump that is used for starting motor.The power sourced electric that is arranged in the container is connected in motor.Conduit has fluid to be communicated in first end and second end that is in the container of the suction side of pump.In certain embodiments, power supply (for example battery, capacitor etc.) can be arranged to contiguous buckle cap rather than is deep into container interior or stretch into a little.
In another embodiment, the present invention is a spraying device, and it can be connected in the container of the material that splendid attire will spray.The spraying device comprises that a motor, one are used for the driving mechanism of drive motor, one by electric motor driven and comprise that the pump of suction side and outlet side, housing that is containing motor and pump, nozzle that is communicated with the outlet side fluid of pump and one always are the suction pipe of flexibility.Flexible drinking straw has first end and second end, and the first end fluid is communicated in the suction side of pump, and second end is free end and adds the pouring weight that has to be made by corrosion-resistant and corrosion material.
In another embodiment, the present invention is the sprayer that is used for spray fluid.This sprayer comprises a fluid container and an electric motor driven pump.This pump comprises fluid cylinder, fluid path and ventilation device (venting arrangement).But the fluid path place of working is connected in container, pump and outlet.This ventilation device comprises first blow vent and second blow vent that communicates with the fluid cylinder of pump.First passage is configured to allow air to enter fluid cylinder, and second blow vent is relative with first blow vent and be communicated with fluid container on the position, and allows air and too much fluid to enter container.
Although described many embodiment of the present invention, for the people who is familiar with this area clearly, can also make some other embodiment again with reference to each embodiment of having described.Will be understood that: can make modification to tangible aspects more of the present invention within the spirit and scope of the present invention.Therefore, accompanying drawing here and description all are illustrative and not restrictive.
Description of drawings
Fig. 1 is mounted in the side view of non-safety lock side on the container that fluid is housed, hand electric sprayer of the present invention;
Fig. 2 is the side view that is not installed in the safety lock side of the hand electric sprayer of the present invention on the container;
Fig. 3 be the line " A-A " in Fig. 2 cut open get, the profile when safety lock is in non-locked position;
Fig. 4 is the side view of the safety lock side of sprayer, and wherein, the safety lock side of housing has been removed, and has exposed pumping mechanism, and the button cap has also partly removed, and has exposed to be used for the battery pipe is connected in a connector buckleing cap;
Fig. 4 a depicts an embodiment of the piston of the pumping mechanism among Fig. 4;
Fig. 5 is the exploded perspective view of power spraye;
Fig. 6 comprises Fig. 6 a and 6b, is the vertical profile figure of jet element, and wherein Fig. 6 b is the part of this jet element, is the view that is exaggerated of cap of spraying nozzle specifically;
Fig. 7 is the stereogram of the inside of cap of spraying nozzle;
Fig. 8 is the stereogram of nozzle group valve ejection end;
Fig. 9 is the cutaway view of jet element;
Figure 10 is the stereogram of the ejection end of nozzle group valve;
Figure 11 is the front view of cap of spraying nozzle inside;
Figure 12 is mounted in the front view of heavy ball of the end of flexible suction line;
Figure 13 is mounted in the stereogram of heavy ball of the end of flexible suction line.
The specific embodiment
The present invention is a novelty and advantageous hand electric sprayer, and it has a motor drive mechanism that can aspirate up fluid from the container that fluid is housed.Will be understood that from this detailed description the size of power spraye of the present invention, outward appearance and the sensation when hand-held be the hand-held atomizer of extraordinary image standard all.Therefore, compare with existing power spraye, power spraye of the present invention grips easily, uses to be difficult for feeling tired.
Fig. 1 is mounted in the side view of the non-safety lock side of the hand electric sprayer 2 of the present invention on the container 4.Container 4 can be one, and to be equipped with such as bathroom detergent, door and window cleaning agent, trade mark be average families such as household liquids, mould inhibitor, herbicide, pesticide, water, garage or the gardening of the ARMORALL container with liquid.As shown in Figure 1, power spraye 2 comprises fog-spray nozzle 3, button cap 14, battery pipe 16 and the flexible suction line 18 that has heavy ball 20.When sprayer 2 was installed on the container 4, fog-spray nozzle 3 and button cap 14 were the outsides that are in container 4, and battery pipe 16, flexible suction line 18 and heavy ball 20 are the insides that are in container 4.
Fig. 2 is the side view of the safety lock side of electric hand sprayer 2 and container 4, and wherein, sprayer 2 is not contained on the container 4.As shown in Figure 2, fog-spray nozzle 3 comprises housing 6, cap of spraying nozzle 8, trigger 10 and safety lock 12.
The profile that is appreciated that housing 6 from Fig. 1 and 2 meets principle of human engineering, so the thumb of staff and the part between the forefinger can lean against on the X part of profile, and forefinger just in time can pulloff 10.The humidifier of sprayer 2 is contained in the housing 6.
As shown in Figure 2, container 4 have one by neck 22 round opening, have external screw thread on the neck 22.As shown in Figure 1, button cap 14 is connected in container 4 to sprayer 2 by the internal thread that can match with the external screw thread of neck 22 on it.Button cap 14 is configured to and can be used for splendid attire normal domestic use, garage and the gardening container adapted with liquid with great majority.But, in one embodiment, for sprayer 2 provides one or more adapters, so that can be connected in sprayer 2 neck 22 of most containers 4, whole containers of can not saying so certainly.
In one embodiment, fog-spray nozzle 3 is connected in button cap 14 rotationally, makes fog-spray nozzle 3 freely to rotate 360 ° around the vertical axis at the center by neck 22.This is convenient to the connection of the neck 22 of 2 pairs of containers of sprayer.
As shown in Figure 2, in one embodiment, safety lock 12 flatly is arranged between off-position and " opening " position along housing 6.Fig. 3 is that the line " A-A " in Fig. 2 cuts open the profile that the safety lock of getting 12 is in non-locked position, as can be seen from Figure 3: when safety lock 12 slipped into off-position than the more close trigger 10 in " opening " position, safety lock can prevent that trigger 10 from being withheld into housing 6.Like this, when safety lock 12 is in the off-position, with trigger 10 fail to start sprayers 2.On the contrary, when safety lock 12 was in " opening " position, trigger 10 can be withheld into housing 6 and starting power spraye 2.
As shown in Figure 3, safety lock 12 has a slider 25 that is connected in arc piece 29 by screw 27.This slider 25 and arc piece 29 are in the outside and the inboard of the coverboard of housing 6 respectively, and the notch 31 that slider 25 extends through on the coverboard is bonded together with arc piece 29.Notch 31 long enoughs can slide into or skid off and the engaging of trigger 10 to allow safety lock 12.Arc piece 29 have one with housing 6 on the projection 33 of pit 35 pairing.This projection 33 and pit 35 are used to make safety lock 12 stably to be in the off-position and can produce " click an is rattled away " sound, have been lockable to show safety lock 12.
In other several embodiment, sprayer 2 can prevent with other safety measure unintentionally from sprayer ejection liquid.These safety measures can comprise other mechanical mechanism of being used to pin and discharge the trigger 10 of sprayer 2, be used to prevent device that the power circuit of sprayer 2 is connected and/or the safety cap that children employ that prevents that is used to replace cap of spraying nozzle 8.
As illustrated in fig. 1 and 2, cap of spraying nozzle is that to be connected in housing 6 rotationally and to allow the user to select be spraying or ejection fluid column.In one embodiment, cap of spraying nozzle 8 has four sides, and a word can be arranged on each side, such as " spraying " or " fluid column ".In certain embodiments, other indication, word or mark can be arranged on each side, for example " OFF (pass) ".In order to spray fluid column (just the liquid stream from the cap of spraying nozzle ejection is very strong, generally is cohesion stream), can indicate " fluid column " side up up to it by rotary nozzle cap 8.Similarly, in order to select spraying (just the liquid from cap of spraying nozzle ejection is very thin droplet), can rotary nozzle cap 8 up to its side that indicates " spraying " up.In comprising the embodiment that OFF sets, the side that is rotated it and indicates " OFF " when cap of spraying nozzle 8 is up the time, and cap of spraying nozzle will be closed and not have liquid stream from cap of spraying nozzle 8 ejections.
As shown in Figure 1, when sprayer 2 was installed on the container 4, battery pipe 16 reached downwards in the container 4 from buckleing cap 14.In one embodiment, as shown in Figure 2, three AAA number (No. 7) batteries 24 are housed in the battery pipe 16, can change when its electric weight exhausts.In further embodiments, the battery 24 in the battery pipe 16 can be how or is few several.And battery 24 can be other model, for example AA number (No. 5).In order to allow to change battery 24, the effective screw thread of battery is connected in sprayer 2 removably.
In one embodiment, replaced the disposable use battery 24 shown in Fig. 1 and 2 with the rechargeable battery that permanently is installed in the battery pipe 16 relatively.When the electric weight of rechargeable battery exhausts, can screw down and install to the charging of getting on of a charger to the battery pipe from sprayer 2.In certain embodiments, charging can be carried out with electromagnetic induction principle.
In one embodiment, sprayer 2 itself is made for disposable, and it is the non-rechargeable battery of a capacitor and coil system or one group of permanent installation that the disposable use battery 24 shown in Fig. 1 and 2 changes into.Like this, in case the electric weight of capacitor or non-rechargeable battery set exhausts, just whole sprayer 2 is discarded.In certain embodiments, can power supply be set near button cap 14, as shown in Figure 2, wherein with dashed lines drawn a capacitor 24 near button cap 14 '.
From at least two aspects, be placed on the power supply of sprayer (that is battery 24) in the container 4 or be favourable near buckleing cap 14.At first, sprayer 2 can have the powerful power supply of a life-span length and don't can make housing 6 excessive and too heavy.Secondly, battery 24 is placed on the center of gravity that can reduce sprayer 2 in the container, this makes the container 4 loaded onto sprayer 2 be difficult for toppling on being placed to a plane time, and, with (just be placed on the top of housing 6) more than the hand-holding part that the weight of battery 24 is placed on sprayer and compare, can alleviate the fatigue of using sprayer to cause below the weight of battery being placed on the hand-holding part of sprayer 2.Another advantage is, the position that the battery pipe is placed on the liquid in can contacting container helps the cooling of battery, thereby helps to extend the life of a cell.
As shown in Figure 1, flexible suction line 18 suction side that has that an outlet side that is communicated with humidifier in the housing 6 and one originate in the heavy ball 20 and be communicated with the interior fluid 26 of container 4.It is favourable adding a heavy ball for flexible suction line 18 lower ends, and the orientation of nebulizer tube 2 and the container 4 that is attached thereto is not how because its allows sprayer 2 work.For example, when sprayer 2 was worked with position up shown in Figure 1, heavy ball 20 can make the suction side of flexible pipe 18 sink to the bottom of fluid 26.Equally, when sprayer 2 was worked with catotropic position, at this moment fluid 26 had moved on to neck 22 places of container 4, and heavy ball 20 can make the suction side of flexible pipe 18 also sink to the bottom (near button cap 14) of fluid 26.In other words, not tubular container 4 be mouth up or the end up, heavy ball 20 all can make the suction side of flexible pipe 18 keep being communicated with the interior fluid 26 of container 4.
4 and 5 describe the overall work that the pump in the housing 6 is inhaled mechanism (pumping mechnism) and power spraye in detail with reference to the accompanying drawings.Fig. 4 is the side view of the safety lock side of sprayer 2, and wherein, the safety lock side of housing 6 has been removed, and inhales mechanism so that expose this pump, and detains cap 14 and also partly cut away, and is used for battery pipe 16 is threadedly connected to the connector 28 of buckleing cap 14 so that expose.Fig. 5 is the exploded perspective view of power spraye 2.
Shown in Figure 4 and 5, the pump suction mechanism that is installed in the housing 6 comprises motor 30, transmission mechanism 32 and pump 34.Motor 30 comprises travelling gear 36, follows bar (cam follower shaft) 42 and transmission mechanism 32 comprises the train, cam 40 and the cam that are made of three gear 38a, 38b, 38c.Pump 34 comprises the piston 44 of fluid cylinder 46 and straight reciprocating motion within it.Fig. 4 a depicts the bead 45 that piston has band edge edge 47 in more detail, and this bead 45 helps cleaning, cleans or claim " cleaning " fluid cylinder 46.This bead can make the suction of liquid easier, equally helps to seal fluid cylinder and pump is sucked and discharges fluid or the liquid of being ejected as much as possible with the time image O-ring seals.Bead 45 also helps air pressure displacement and too much liquid or fluid Returning container, thereby helping to prevent occurs in the container sewing and vacuum.Though expression is two circumference beads that are roughly annular, being appreciated that also can be with different numbers and difform bead.And bead, particularly its ora terminalis can be flexible, and can be configured as one with piston, perhaps are configured as independent ring-shaped work pieces and then are enclosed within on the piston.Although shown in Fig. 4,4a and 5 is pump 34 in the form of piston, the people who is familiar with this area is readily appreciated that: also can inhale mechanism's instead of piston formula pump 34 with gear pump or other suitable pump, this is also within spirit of the present invention.
Shown in Figure 4 and 5, travelling gear 36 driven wheel 38a, gear 38a are again by gear 38b driven wheel 38c.Gear 38c rotates cam 40, and cam 40 makes cam follow bar 42 again and does straight reciprocating motion.The straight reciprocating motion that cam is followed bar 42 makes the piston 44 in the fluid cylinder 46 that is in pump 34 do the motion of linear reciprocation pump drainage.
Shown in Figure 4 and 5, the bottom of housing 6 has a neck 48 that has inner groove, and a disk 50 is housed in it.This disk 50 is fixed in the end face of connector 28, and connector 28 is to be installed in rotation in the button cap 14.As shown in Figure 5, button cap 14 has a watertight ring 54, is used for the opening of the neck 22 of airtight container 4 when button cap 14 is tightened against container 4.
As shown in Figure 5, a few circle external screw threads 56 are arranged at the top of battery pipe 16, are used to be threadedly connected to the internal thread on the connector 28.When battery pipe 16 was tightened against connector 28, sealing ring 58 can prevent that any fluid in the container 4 from entering battery pipe 16.
As shown in Figure 4, the negative terminal conductor contacts with the negative electricity of beneath battery 24.Negative terminal conductor 60 is connected in the first negative conductive path (negative conductive pathway) 62 electricly, and the length of the first negative conductive path 62 extend past battery pipes 16 is in electrical contact with the negative terminal conductor loops (negative conductor ring) 64 on the inner ring basal surface that is installed in connector 28.Negative terminal conductor loops 64 is in electrical contact with the second negative terminal conductive path 66, and conductive path 66 is connected in first input lead of motor 30.
As shown in Figure 4, connector 28 have be used for battery pipe 16 in the anode conductor 68 that electrically contacts of the positive pole of going up a batteries 24 most.Anode conductor (positive conductor) 68 is electrically connected on the first anode conductive path 69, and conductive path 69 is electrically connected on the conduction collar 70 near trigger 10.Saddle type conductive junction point 72 is installed on the trigger 10 and configuration can contact with 70 pairings of the conduction collar when user's pulloff 10 with being orientated.
As shown in Figure 4, the second anode conductive path 74 is electrically connected on saddle type conductive junction point 72 and extends to second input lead of motor 30.When pulloff 10, the saddle type conductive junction point 72 and the conduction collar 70 enter and electrically contact.This has just connected the circuit between power supply (being battery 24) and the motor 30 and sprayer 2 is started working.In one embodiment, the part of the second anode conductive path 74 is made for round the fulcrum 76 of trigger 10 and as trigger 10 spring of bias voltage forward.
As shown in Figure 4, by when cap of spraying nozzle 8 pushes away, air is sucked the aft section 46a of fluid cylinder 46 by first air check valve 78 (in one embodiment, it is the check valve that a spring heads on the ball pattern) at piston 44.In one embodiment, first air check valve 78 is set to the top near fluid cylinder.In the backstroke of piston 44, along with it leaves cap of spraying nozzle 8 gradually, air is released from the aft section 46a of fluid cylinder 46 and is entered air hose 80, again (in one embodiment by second air check valve 82, it is the check valve that a spring heads on the ball pattern) and connector 28 in air flues 84 enter container 4, and prevent that sprayer 2 from vacuum occurring in the container 4 when work.In one embodiment, second air check valve 82 is set to the bottom near fluid cylinder 46, and is roughly relative with first air check valve 78.Point-blank this or claim can to drive away in from it accumulating any moisture in the aft section 46a of fluid cylinder 46 in the layout on the line, remove, cleaning and/or discharge and enter container 4, and also this removing strengthens because of the sealing function that bead 45 is arranged.
As shown in Figure 4, when piston 44 leaves cap of spraying nozzle 8 gradually, fluid 26 is inhaled into the suction inlet 86 of flexible suction line 18, enter the previous section 46b of fluid cylinder 46 again by flexible suction line 18 (it passes connector 28) and by fluid check valve 88 (in one embodiment, it is the check valve that a spring heads on the ball pattern).In one embodiment, fluid check valve 88 is set to the bottom near fluid cylinder 46.Gradually near in the process of cap of spraying nozzle 8, fluid 26 is released and is sprayed into the atmosphere by nozzle assembly 90 by the previous section 46b from fluid cylinder 46 at piston 44.
As shown in Figure 5, nozzle assembly 90 comprises blast tube 100, nozzle group valve 102 and cap of spraying nozzle 8.Shown in the vertical cutaway view of the nozzle assembly 90 of Fig. 6, blast tube 100 has nozzle passage 110, rotating support surface wall 111 and bearing pin 112, and nozzle group valve 102 is installed on the bearing pin 112.Cap of spraying nozzle 8 is mounted to and can rotates around rotating support surface wall 111, and rotating support surface wall 111 has at least one blocking vallum 113, and vallum 113 matches with corresponding groove on the cap of spraying nozzle 8 and cap of spraying nozzle 8 blockings are on the throne.
As shown in Figure 6, and the stereogram of the internal structure of the cap of spraying nozzle 8 of Fig. 7 represents clearlyer, and cap of spraying nozzle 8 has at least one cap inner gateway 114 that is communicated with nozzle passage 110 fluids.The grooved area 115 that cap of spraying nozzle 8 also has round squit hole 116.
As shown in Figure 6, and the stereogram of the outlet side of the nozzle group valve 102 of Fig. 8 represents clearlyer, and nozzle group valve 102 has a radial passage 120 and a tangential path 122, and they lead to the central fovea lower part 124 that is positioned at nozzle termination central authorities.The central fovea lower part 124 of circle and the grooved area 115 in the cap of spraying nozzle are combined and form a vortex chamber.The path of navigation 126 that the cylindrical side 128 of tangential path 122 and all oriented nozzle group valve 102 of radial passage 120 is recessed.
As shown in Figure 6, turn to mark " fluid column " on it up the time at cap of spraying nozzle 8 around rotating area supported wall 111, cap inner gateway 114 just is communicated with path of navigation 126 fluids, and path of navigation 126 communicates with radial passage 120.Like this, when triggering sprayer 2, liquid sprays with the columnar flow form from squit hole 116 just through nozzle passage 110, cap inner gateway 114, path of navigation 126, radial passage 120, vortex chamber 115,124.
Similarly, turn to mark " spraying " on it up the time at cap of spraying nozzle 8 around rotating area supported wall 111, cap inner gateway 114 just is communicated with path of navigation 126 fluids, and path of navigation 126 communicates with tangential path 122.Like this, liquid just sprays with the mist flow form from squit hole 116 through nozzle passage 110, cap inner gateway 114, path of navigation 126, tangential path 122, vortex chamber 115,124 when triggering sprayer 2.
In certain embodiments, around rotating area supported wall 111 when turning to the position of a selection, path of navigation 126 is not communicated with cap inner gateway 114 at cap of spraying nozzle 8, therefore, and the liquid nozzle assembly 90 of just can not flowing through.
A kind of alternative structure of nozzle assembly 90 is shown in Fig. 9, and this figure is the vertical cutaway view of nozzle assembly 90.As shown in Figure 9, and the stereogram of the outlet side of the nozzle group valve 102 of Figure 10 represents clearlyer, and nozzle group valve 102 has the path of navigation 126 in the cylindrical side 128 of recessed nozzle group valve 102.Path of navigation 126 is from extending to the end face 150 of nozzle group valve 102 near the bottom of nozzle group valve 102, end face 150 is uniform in-plane roughly.
As shown in Figure 9, and the front view of the internal structure of the cap of spraying nozzle 8 of Figure 11 represents clearlyer, and cap of spraying nozzle 8 has the radial passage 220 of at least one recessed its inner surface.Cap of spraying nozzle 8 also has the tangential path 222 of at least one recessed its inner surface.Radial passage 220 and tangential path 222 all extend to the central, circular recessed region 215 of cap of spraying nozzle 8.Circular recess zone 215 is round squit hole 116.The effect of eddy chambers 215, circular recess zone.
In one embodiment, as shown in Figure 9, circular recess zone 215 is the taper shape of the vertex of a cone towards squit hole 116, and therefore, it has a y-shaped cross-section.In another embodiment, what circular recess zone 215 was not the vertex of a cone towards squit hole 116 is conical, but a plane that is approximately perpendicular to the axis of outlet 116 is arranged.In other words, circular recessed region 215 has a trapezoid cross section, as shown in Figure 6.
As shown in Figure 9, turn to mark " fluid column " on it up the time at cap of spraying nozzle 8 around rotating area supported wall 111, radial passage 220 just is communicated with path of navigation 126.Like this, liquid sprays with the columnar flow form from squit hole 116 just through nozzle passage 110, path of navigation 126, radial passage 220, vortex chamber 215 when sprayer 2 is triggered.
Similarly, turn to mark " spraying " on it up the time at cap of spraying nozzle 8 around rotating area supported wall 111, tangentially path 222 just is communicated with path of navigation 126 fluids.Like this, when sprayer 2 was triggered, liquid just through nozzle passage 110, path of navigation 126, tangential path 122, vortex chamber 215, sprayed with the mist flow form from squit hole 116.
Figure 12 and 13 is mounted in the front view and the stereogram of heavy ball 20 of the end of flexible suction line 18, shown in these two figure, and the suction inlet 86 recessed central authorities that are installed in the disk 92 in the heavy ball 20.Disk 92 has the path 94 that extends to suction inlet 86 from its excircle, is in the teat 96 of suction inlet 86 outsides so as to formation.Teat 96 is blocked by surface container 4 or button cap 14 with the path 94 combined suction inlets 86 that prevent.
In one embodiment, heavy ball 20 is very fine and close polymer spheres.In further embodiments, heavy ball 20 can be ceramic, glass, rubber, for example brass die casting of metal, or the like.No matter select any material, the corrosion of its liquid in should be able to anti-container 4, and recuperation is enough to sink to the bottom of the liquid in the container 4.The size of heavy ball 20 should guarantee that it is enough heavy, so that the suction inlet 86 of flexible pipe 18 is dragged to the bottommost of the interior fluid 26 of container 4, and tubular container is not just to put, and lies on its side, and is still putting upside down or the like.
In one embodiment, flexible suction line 18 is flexible extraordinary silicone rubber tubes.In further embodiments, flexible suction line 18 is another kind of flexible extraordinary polymer pipes.The length of flexible suction line 18 should be enough to reach the bottom of container, but not too long, in order to avoid self twines.
Although described the present invention above in conjunction with preferred embodiment,, those skilled in the art that will recognize, can also make the change on many forms and the details within the spirit and scope of the present invention.
Claims (9)
1. sprayer, it be configured to be connected in a splendid attire fluid container by the circumjacent opening of neck, this sprayer comprises:
A button cap, this button cap can seal described opening by fluid hermetically when described sprayer is connected in described container;
A fog-spray nozzle, this fog-spray nozzle are anchored on described button cap rotationally, and comprise that a fluid pump, one are used to drive pump motor, a trigger-type switch and a nozzle squit hole that is communicated with the outlet side fluid of pump that is used for starting motor;
A power supply, this power supply are electrically connected on described motor and are placed in the described container; And
A conduit, first end of this conduit is communicated with the suction side fluid of described pump, and its second end is placed in the described container;
Described conduit flexible very good and have second end that a pouring weight is connected in described conduit, wherein, the density of pouring weight is greater than the density of the fluid in the described container, and the weight of described pouring weight is big must to be enough to second end with described conduit and to remain on extreme lower position in the fluid, and the orientation of tubular container is not how.
2. one kind is used to be connected in a spray apparatus that the container of material to be sprayed is housed, and this spray apparatus comprises:
A motor;
The trigger mechanism that can start described motor;
One by described Motor Drive and comprise the pump of a suction side and an outlet side;
The housing that described motor and described pump shroud are got up;
A nozzle that is communicated with the outlet side fluid of described pump; And
One always is the flexible suction pipe with first end and second end,
Wherein, the described first end fluid is communicated in the described suction side of described pump, and second end of described suction pipe is free end and has a pouring weight of being made by corrosion-resistant and material corrosion.
3. spray apparatus as claimed in claim 2 is characterized in that the surface of described pouring weight is rugged.
4. spray apparatus as claimed in claim 3 is characterized in that, described rugged surface comprises a plurality of zones that are separated out.
5. spray apparatus as claimed in claim 4 is characterized in that, described pouring weight is adjacent to a suction inlet that communicates with the free end of described suction pipe, and wherein, some directly is adjacent to described suction inlet the described zone that is separated out.
6. spray apparatus as claimed in claim 5 is characterized in that described pouring weight is made by ceramic material.
7. spray apparatus as claimed in claim 6, it is characterized in that, described trigger mechanism comprises that one is triggered trigger and a safety switch that is operably connected to described trigger, utilizes this safety switch optionally to make to trigger that trigger works or inoperative.
8. spray apparatus as claimed in claim 7, it is characterized in that, described safety switch comprises that one is passed a notch on the described housing and is connected in a slidably slider of piece, wherein, described slider is in the outside of described housing, and described slide block is the inside that is in described housing, and described trigger is pulled in described slide block prevention when described safety switch slips into a home.
9. spray apparatus as claimed in claim 2, it comprises that also one puts in battery pipe in the described container from described housing.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US53086903P | 2003-12-18 | 2003-12-18 | |
| US60/530,869 | 2003-12-18 | ||
| US10/832,682 | 2004-04-27 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100628619A Division CN100381211C (en) | 2003-12-18 | 2004-06-22 | Power sprayer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101049587A true CN101049587A (en) | 2007-10-10 |
| CN100471578C CN100471578C (en) | 2009-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101026047A Active CN100471578C (en) | 2003-12-18 | 2004-06-22 | Motor driven spray device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100471578C (en) |
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