CN109073435A - Proportioning device and container - Google Patents

Abstract

A kind of proportioning device suitable for distributing the liquid of doses from elastic squeezable container, comprising: be adapted for attachment to the cover of the container, the cover includes the passing away for liquid to be discharged；And the demand chamber of the cover attachment, the demand chamber include the side wall extended from the cover and at least one entrance opening close to the cover in the side wall；Pressure chamber below the demand chamber；The valve of the end far from the demand chamber of pressure chamber is set, the valve can move between open and closed positions, in the open position, the valve allows liquid to flow through one or more exhaust openings, in closed position, the valve closes the exhaust openings or each exhaust openings, the valve include at least one hole；And the plunger in the demand chamber is set, the plunger can proceed to blocking position when squeezing the container relative to demand chamber movement.

Description

Proportioning device and container

Technical field

The present invention relates to a kind of devices suitable for the liquid from quantitative lid distribution routine dose.The invention further relates to include fixed Measure the container of device.

Background technique

Liquid is mostly contained in bottle body, and bottle body has enough flexibilities, can be squeezed while be had simple by operator Spout or valve control spout, so as to directly distribute its content.The relative cost of product, it is potentially more highly concentrated Degree and its influence to environment produce the demand of the product using only required by task amount.The limitation of classical bottle design first is that The accurate power of size needed for being difficult with distribution desirable for liquid volume.It therefore, it has been developed to several such system, often When secondary extrusion bottle, its liquid contents for accurately measuring dosage are all generated.

These systems are usually using multiple rooms of function connects, and so as in toppling process, one of room will be filled extremely Intended volume.Then, the volume, which is transferred to, to distribute in the distributor chamber of liquid.Being limited in for this system needs size suitable Together in the multiple rooms for accommodating expectation determined volume.This makes bigger and dosing device the manufacture of dosing device volume more complicated. Second of this design, which is limited in, usually requires repeatedly to be inverted bottle body effectively to fill measuring chamber, could distribute stream later Body.This can slow down assigning process and complicate assigning process further.

Newest progress is that these limitations are eliminated using single chamber design.WO2013158732 discloses a kind of with single The design of demand chamber, the demand chamber have the integrally formed entrance opening to allow liquid to enter the room.Positioned at the room The pressure that valve and proximal end exhaust openings at base portion allow to generate by extrusion bottle pushes internal piston towards exit opening, from And distribute the liquid being contained in distributor chamber.

However, this design has its inherent limitations, the present invention makes every effort to overcome these limitations.

Summary of the invention

In the independent aspect of the first broad sense, it is suitable for distributing centainly from elastic squeezable container the present invention provides one kind The proportioning device of the liquid of dosage, comprising:

It is adapted for attachment to the cover of the container, the cover includes the passing away for liquid to be discharged；

And the demand chamber of the cover attachment, the demand chamber include from the side wall of cover extension and in the side wall In close to the cover at least one entrance opening；

Pressure chamber below the demand chamber；

The valve of the end far from the demand chamber of pressure chamber is set, and the valve can be in open position and close stance It is moved between setting, in the open position, the valve allows liquid to flow through one or more exhaust openings, in the close stance It sets, the valve closes the exhaust openings or each exhaust openings, the valve include at least one hole；And

Plunger in the demand chamber is set, and the plunger can be mobile relative to the demand chamber, to squeeze Blocking position is proceeded to when the container.

This is favourable, because the device does not need individual collecting chamber to measure the liquid of doses, so that The device keeps compact.In addition, pressure chamber is particularly advantageous because the pressure chamber in generated on container pressure with the pressure is complete Portion is transmitted to generation time between plunger and postpones.This makes the pressure in back-plunger of the demand chamber filled with liquid just make plunger It moves and engages in certain embodiments, with slit valve to seal the slit valve along demand chamber.Pressure chamber also ensures column Pressure beyond the Great Wall is uniformly and consistent.Pressure on plunger is generated by the movement of the big quantity of fluid accommodated in pressure chamber, therefore is acted on It is uniform on the whole surface region at the plunger back side in the power on the plunger back side.On the contrary, if plunger is set up directly on On pressure hole, inflow of the liquid through these pressure holes will generate non-uniform power on plunger, to increase plunger fixed A possibility that rotating and be blocked in amount room.

In in terms of the supplement, proportioning device further includes the insertion piece with slit valve, which is arranged in the lid Between portion and the demand chamber.Which reduce, even eliminate in certain embodiments, after administered container it is any not It is desired to sew.

In in terms of another supplement, insertion piece includes to the direction tubular portion outstanding far from the slit valve；Work as institute State plunger be located in a state of use demand chamber close to the cover end when, the plunger in a state of use with it is described The lower end of tubular portion interacts.This is conducive to the separation between slit valve and plunger.

In in terms of another supplement, the insertion piece includes the skirt section for partly covering the entrance opening.The configuration has Insertion piece control is allowed to enter the flow rate of demand chamber sharply.This is also particularly advantageous, because at least partly entrance can be stopped to be opened Mouthful, so that plunger is easier to return after distributing dose.

In in terms of another supplement, the pressure chamber has than the demand chamber smaller diameter to form flange, described Plunger rests against the flange when being in its extreme lower position.The configuration does not need advantageously to provide base portion, simultaneously accurately limits quantitative Room.

In in terms of another supplement, the valve includes being attached to the pressure chamber by one or more holding meanss Disk.This provides structure that is particularly compact and can responding.

In in terms of another supplement, the holding meanss include the one or more that the inner surface against pressure chamber extends Tooth.This makes it possible to keep valve by the intrinsic flexibility of this tooth.This also advantageously allows for valve displacement without being located at pressure Any part of power outside.

In in terms of another supplement, the tooth includes hook portion, and the pressure chamber includes lower fin, and the lower fin is extremely Partially the internal diameter around the room extends, thus described in keeping when the valve is in an open position in a state of use Tooth.This is advantageously fixed without additional component by valve, because the shape of described room itself can be used for facilitating the valve Holding.

In in terms of another supplement, the disk has upper surface, and when in the closed position, the upper surface is in use state The lower distal end for abutting the pressure chamber.This provides relatively large potential region for the discharge of the content of above-mentioned room.

In in terms of another supplement, the diameter of the disk is greater than the outer diameter of the pressure chamber.This allow it is advantageous sealing and From the release of adjacent sealing station, so as to improve the response of valve.

In in terms of another supplement, plunger includes the lowest part part of cheese.The configuration increases the face that can be pressurizeed Product, so as to improve the performance of plunger.

In in terms of another broad sense, the present invention provides include the quantitative dress according to either side in aforementioned aspects The container set.

Preferably, proportioning device includes the slit valve being arranged between the cover and the demand chamber.This is particularly advantageous, Because the slit valve prevents liquid from letting out in one undesirable scenario from passing away.Slit valve is only more than in internal pressure It is opened when given threshold value, so that creation selectively unlocks mechanism and prevents unexpected spilling.

Preferably, the plunger can interact with the slit valve, thus when plunger is located at the close institute of demand chamber When stating the end of cover, plunger functionally stops the slit valve.This is particularly advantageous, as it means that plunger both provides It forces collected liquid to leave the device of demand chamber, and provides when plunger reaches the end of demand chamber and has measured expectation Stop the device of the outlet of proportioning device when dosage.This not needing for cutting off liquid flow when having measured desired amount More complicated and huger mechanism.

Preferably, the slit valve includes partly covering the skirt section of the entrance opening.This is particularly advantageous, because this makes The size of entrance opening can be changed simultaneously in the case where not making a change to the shell of proportioning device or entrance opening itself by obtaining Therefore change dose volume.This makes that only substituting agent can be generated using identical proportioning device by changing slit valve Amount.In certain embodiments, since skirt section is located inside entrance opening and since skirt section has intrinsic flexibility, so skirt section It can be bent to allow liquid filled chamber, and skirt section can abut the periphery of entrance opening after administered Point, and air enters in container after squeezing container.

Preferably, the pressure hole is located at the center of the valve.This is favourable, because this helps to ensure in plunger Base portion on generate uniform pressure, to reduce a possibility that plunger rotates in demand chamber.In a preferred embodiment, this Also allow using single hole to reduce structure complexity.

Preferably, compared with demand chamber, the volume of the pressure chamber reduces.In certain embodiments, this is favourable, because For this prevent the time delays generated by demand chamber more than the maximum amount that filling demand chamber may need.Entrance opening Size is greater than pressure hole, so if pressure chamber is identical with the volume of demand chamber, then demand chamber will be much prior to pressure chamber And it is hydraulically full.

Detailed description of the invention

Now with reference to attached drawing and only it is described by way of example.

Fig. 1 shows perspective view, sectional view, side view and the top view of distributor.

Fig. 2 shows the perspective views of cover.

Perspective view, sectional view and vertical view when Fig. 3 is shown when distributor is attached to cover and it is separated with cover Figure.

Fig. 4 shows perspective view, side view, sectional view and the top view of plunger.

Fig. 5 shows perspective view, top view, sectional view and the side view of disc valve.

Fig. 6 shows multiple perspective views, sectional view, side view and the top view of slit valve.

Fig. 7 shows the perspective view for being equipped with the cover of proportioning device.

Fig. 8 shows the perspective view of the component of multiple dismantlings of the embodiment of Fig. 7.

Fig. 9 shows the sectional view of the embodiment of Fig. 7 and Fig. 8.

Figure 10 shows the underside perspective view of valve body.

Figure 11 shows the top view of valve body.

Figure 12 shows the perspective view for limiting the outside of cylinder of demand chamber.

Figure 13 shows the perspective view of piston.

Figure 14 shows the sectional view of another embodiment of the present invention, and wherein piston is in its extreme lower position.

Figure 15 shows the sectional view of the piston when engaging with valve body.

Figure 16 shows another sectional view of the piston engaged with platform.

Figure 17 shows the sectional views of another embodiment of dosage lid.

Figure 18 shows the sectional view of another embodiment.

Figure 19 shows another embodiment with both demand chamber and pressure chamber.

Figure 20 shows the sectional view of another embodiment for the dosage lid that ball is located in pressure chamber.

Figure 21 shows another embodiment that ball valve is provided in pressure chamber.

Specific embodiment

For the detailed description of attached drawing

Fig. 1 shows the distributor 10 for being operably attached to cover 40.Distributor 10 and cover 40 are suitable for attached It is connected to the elastic squeezable container that can store given liquid.

Fig. 2 shows covers 40, and wherein top cover 43 is in open configuration.It is provided at the center of cover 40 with hole 42 passing away 41, the liquid being contained in demand chamber 11 can pass through the hole 42.Cover 40 can pass through attachment device 46 are fixedly attached to elastic squeezable container.Preferably, attachment device 46 is to be located on the inner surface of cover 40 and hold The pin thread region locked mutually and negative thread region on the outer surface of device.Alternatively, attachment device 46 can be friction and match It closes mechanism or is pushed and fitted mechanism.

Top cover 43 is attached to cover 40 by hinge area 44.Sealing device 45 on the base portion of top cover 43 makes in cover 40 Hole 42 top cover 43 be in be located at cover 40 on closing configuration when can be reliably sealed by the cover.In currently shown reality out It applies in example, sealing device 45 is made of so shaped cylinder, i.e., when cover 43, which is in, closes configuration, which enters hole 42, so that the inner surface with passing away 41 forms frictional fit, and then effectively passing away 41 is sealed.This field Technical staff will recognize, alternative can be used to seal outlet.It is shown as exemplary in Fig. 1 and Fig. 3 Proportioning device 10 is operably attached to cover because of top loop 14 and the tight friction fit of the inner surface of the base portion of cover 40 40.The inside that top loop 14 is fixed to cover in one or more downward projection of walls can be set in annular lip.

In addition, on the inside that flexible insert can be fixed on cover above demand chamber.

Fig. 3 shows the sectional view of a part of proportioning device 10, which includes cylinder-shaped demand chamber 11, uses In forcing liquid into and leave the plunger 16 of demand chamber, pressure chamber 17 and with the valve 20 of center pressure hole 21, wherein Demand chamber 11 has entrance opening 13 at the position in side wall 12, close to top loop 14.Optionally, valve 20 is with outer peripheral teeth Or valve 20 to be attached to the disc valve of proportioning device 10 by periphery hook portion 26.

Alternatively, valve 20 can be attached to proportioning device 10 by central attachment device or external retaining device.

In one embodiment, there are the entrance opening 13 of three rectangles, the top edge of the entrance opening 13 is by top loop 14 limit.The size of entrance opening 13 is directly proportional to desired dosage volume.Liquid is viscous in the total measurement (volume) and container of entrance opening Degree, which combines, aids in determining whether generated dose volume.It will be appreciated by persons skilled in the art that the shape of entrance opening 13 Or quantity is unrestricted.Entrance opening 13 can be square, round or triangle, for realizing for function of the invention, Total volume is important, rather than quantity.

Columnar pressure chamber 17 be located at demand chamber 11 underface, this be using when orientation.The volume of pressure chamber 17 Less than the volume of demand chamber 11.Joint between demand chamber 11 and pressure chamber 17 is provided with spine or flange 15.Preferably, 15 inner bevel of spine at make when in use liquid be not accumulated in spine 15 and will not be interfered with plunger mechanism, Plunger 16 is internally provided in demand chamber 11.

Fig. 4 shows the perspective view of the first embodiment of plunger 16.Plunger 16 has the base portion of recessed cheese, the base portion Diameter is greater than the diameter of the hole 50 formed by spine 15, but is less than the diameter of demand chamber 11.Therefore, plunger 16 can be relative to Demand chamber 11 (or main chamber) is mobile, but not can enter pressure chamber or secondary chamber 17, at the pressure chamber or secondary chamber 17, plunger 16 It is placed in spine 15.The domed shape of plunger 16 helps to ensure that plunger 16 is not rotated around its horizontal axis.By entering pressure chamber Liquid generate power will be pulled to the periphery of plunger 16, to help to stablize plunger 16.When static, plunger 16 is placed in ridge In portion 15 and limit the boundary of demand chamber or main chamber 11 and pressure chamber or secondary chamber 17.When the top for making cover be located at demand chamber 11 And when being orientated, plunger 16 can only move in a vertical direction relative to demand chamber 11.It is provided with around the periphery of plunger 16 prominent Portion 23 out, protruding portion 23 prolong on the plane direction generally perpendicular relative to the Dome shaped portion 24 of plunger far from plunger 16 It stretches.Protruding portion 23 helps to prevent plunger 16 from rotating around the horizontal axis of plunger 16 and plunger 16 is prevented to be stuck in demand chamber 11 In.Protruding portion 23 facilitate reduce plunger 16 the surface area contacted with demand chamber 11, thus reduce plunger 16 its relative to The resistance that demand chamber 11 is subject to when mobile.

On the surface of the close cover 40 of plunger 16, its centre be provided with plug 25.When plunger 16 reaches demand chamber 11 Close cover 40 end when, plug 25 will with passing away 41 interact and passing away 41 is sealed.Current Embodiment in, plug 25 be with carrying slit valve 27 insertion piece tubular portion 32 interact cylinder, the slit Valve 27 in Fig. 6 best seen from.

Fig. 5 shows the perspective view of the first embodiment of valve 20.The present example of valve 20 is disc valve.Disc valve 20, At its base portion for attaching to proportioning device 10, liquid is controlled via exhaust openings 22 from the discharge of demand chamber 11, and controls liquid Via 21 feed pressure room 17 of pressure hole.

Valve 20 has arm 19 in the peripheral region of round base portion 18, which extends perpendicular to base portion 18 and far from base portion 18. The end of arm or the separate base portion 18 of tooth 19 is provided with hook portion 26, which is suitable at the base portion for hooking pressure chamber 17 Spine 51.The centre of valve 20 is provided with pressure hole 21.The diameter of pressure hole 21 and required dose volume and pressure The volume of room is directly proportional.The diameter of pressure hole 21 is also by the viscosity for the liquid for considering to be contained in elastic squeezable container It determines.In alternative embodiments, there are more than one pressure holes 21 in valve 20.Valve 20 can allow liquid to flow through The open position of one or more exhaust openings 22 and to move between closed position of the liquid from flowing through exhaust openings 22. In open configuration, valve 20 is supported by the interaction of hook portion 26 and the inner surface of spine 51.The upper surface of exhaust openings 22 by Spine 51 limits, and the lower surface of exhaust openings 22 is limited by the circumference of base portion 18, and the side of exhaust openings 22 is by valve 20 Arm 19 limits.In closing configuration, the base portion 18 of valve 20 is contacted with spine 51.The arm 19 and hook portion 26 of valve 20 are encapsulated in pressure chamber In 17, to effectively turn off exhaust openings 22.

Fig. 6 shows the first embodiment of the insertion piece of carrying slit valve 27 with multiple views.Slit valve 27 is contained in fixed It measures in the top loop 14 of the end of device 10 and forms the boundary between the hole 42 of passing away 41 and demand chamber 11.Excellent Select in embodiment, slit valve 27 by flexible polymer material, preferably silicone or other similar material, be made.Slit valve 27 is wrapped Central head region 33 and radially outer part 28 are included, central head region 33 and radially outer part 28 are attached by connection sheet 30 It connects, so that head zone 33 and radially outer part 28 are because of the interval that is set between two movable parts and are made It can be moved with the intrinsic flexible of material while be still mutually attached independently of each other.It is arranged in the centre of head zone 33 There is self-sealing slit 34, when slit valve 27, which is in, closes configuration, self-sealing slit limits the aperture of closure jointly.Self-sealing Slit can be opened preferably in one direction, so that liquid can be moved to outside out of demand chamber 11, but can not edge Opposite direction is mobile.Cylinder-shaped protruding portion 32 is extended in the vertical direction from head zone 33.When in use, cylinder-shaped protruding portion 32 It can interact with plug 25, to effectively seal against slit valve 27 and prevent the liquid in elastic squeezable container through being discharged It flows out in channel 41.

When being orientated as shown in Figure 6A, skirt region 29 is extended vertically from radially outer part 28.When in use, skirt The interaction of the inner surface of portion 29 and top loop 14 is to be attached to proportioning device 10 for slit valve 27.In one embodiment, Skirt section 29 partly covers entrance opening 13, to change the volume of entrance opening 13 and therefore change measured liquid dosages Volume.Therefore, pass through change skirt section 29 size, thus it is possible to vary the dosage size measured without change dosing device other Component.In a preferred embodiment, 29 size of skirt section is uneven, opens to generate and change entrance by rotating slit valve insertion piece 27 The ability of the volume of mouth.

When in use, the squeezable container for being attached with cover 40 and proportioning device 11 securely is inverted, and squeezing should Container.The volume of container is reduced to the extruding of container and therefore increases pressure in container.

Change with the simultaneous orientation of increase of this pressure and thus caused by the change of gravity direction make valve 20, which enter it, closes configuration, to close exhaust openings 22.Orientation and increased internal pressure, which will lead to liquid and enter entrance, to be opened Mouthfuls 13 and fill demand chamber 11.Meanwhile liquid will be forced through pressure hole 21, thus stuffing pressure room 17.Pressure chamber 17 size and the size collective effect of pressure hole 21 are to limit the time needed for pressure chamber 17 is filled with liquid.Work as pressure chamber 17 when having filled liquid, and pressure will shift plunger 16 close to the position of pressure chamber 17 close to cover 40 from it onto along demand chamber 11 Position.The movement of plunger 16 will make to have flowed out and flow to through slit valve 27 via the liquid that entry pore 13 enters demand chamber 11 Except passing away 41.When plunger 16 reaches the end of the close cover 40 of demand chamber 11, plug 25 will be prominent with cylindrical shape Portion 32 interacts, to seal slit valve and prevent having liquid to be discharged from passing away 41 again.

By the feature for controlling the volume of demand chamber 11 and the volume of entrance opening 13 etc., it is possible to produce consistent agent The liquid of amount.In certain operation modes, current system further uses on container initiation pressure and in demand chamber 11 Plunger 16 on time delay between initiation pressure.This is because pressure chamber 17 transfers the pressure to after being filled with liquid On plunger 16.By the size ratio for changing pressure chamber 17 and pressure hole 21, thus it is possible to vary pressure chamber 17 is filled with needed for liquid Time.Time delay allows liquid to enter demand chamber 11 through entrance opening 13 and demand chamber 11 is filled into consistent water It is flat.

Under certain use patterns, when elastic squeezable container returns to normal position and pressure thereon is released, Container will be returned to its original configuration.The increase of this volume will lead to the pressure reduction in container, and outside air will be through arranging Channel 41 and enter out through slit valve 27, to make demand chamber 11 filled with air.The variation of gravity and pressure will lead to plunger 16 is mobile far from cover 40 relative to demand chamber 11, until plunger 16 is placed in spine 15.Plug 25 will no longer dash forward with cylindrical shape Portion 32 contacts out, to release the sealing to slit valve 27.

Valve 20 will be moved to open configuration from configuration is closed, to open exhaust openings 22.Liquid in pressure chamber will be through Exhaust openings 22 flow out, to keep proportioning device 10 pre- using configuration back to its.

In a preferred embodiment, pressure change when container is released is enough plunger 16 from it close to the position of cover It is moved adjacent to the position of pressure chamber 17.This is with additional benefit, i.e., the room has been to be filled out again by fluid via entrance opening It fills and is ready, and proportioning device 10 not have to be rotated between use twice.

Other embodiments of the invention

This part is provided for from quantifying with elastic and therefore squeezable container allocation doses liquid The other examples of device.For these examples in particular to the improvement of bottle cap, which includes towards the first outlet at the top of cover. Cover include for and such as bottle body container attachment device.These examples can be using the shape described in preceding sections Formula.Distributor body or demand chamber and cover are attached.Distributor body allows liquid mainly through towards the top of distributor body The first entrance of part positioning enters room.Distributor body further includes the second entrance positioned towards the bottom of distributor body.

The displacement up and down in distributor body of plunger or piston.Its substantially sealing pipe fitting when plunger is in upper part position 103, and its substantially sealing bottom inlet 111 when plunger is in its extreme lower position.Other than cover and shell, generally It is suitable for being connected on the inner surface of bottle cap for elasticity or insertion piece flexible or valve 64.Feather valve includes according to first outlet The valve body of size and construction depending on 71 size.Valve body 64 has enough flexibilities to use a variety of configurations, so that when applying Valve body 64 is opened when positive pressure, and valve body 64 is closed when there are negative pressure.The valve can be advantageously with the shape of cross valve 411 Formula.In other words, which is formed by two vertical bisecting lines, and depending on the pressure condition being applied on valve, the two hang down Straight bisecting line can form through-hole.The top surface and edge of valve body be designed to recline bottle cap 61 interior section and lead to It crosses the upper peripheral edge of distributor body 62 and is secured in position.In a preferred embodiment, cross valve 411 can be fixed on first outlet On 71 inside portion.In addition, valve body 64 further includes the efferent duct being fixed below above-mentioned cross valve.Cross valve is also at least partly Stop the upper opening in distributor chambers.For block piece using the form of fin or alar part 102, the fin or alar part 102 are also downward Extend and has enough flexibilities to allow liquid to pass through when bottle body is extruded.As described above, efferent duct in use to Lower protrusion.In terms of another supplement, throttle disk 65 can be fixed in distributor body 62.The throttle disk can be used for sealing Second entrance 82.Throttle disk has second entrance or third entrance 94, and the second entrance or third entrance 94 also allow liquid flow Enter distributor chamber.

Throttle disk 65 can be removed flexibly to connect with the connection ring 112 that 62 bottom of distributor chamber is arranged in.Throttle disk 65 optionally include outer ring 112 and limit the inner ring in gap 113.The outer annular portions 83 of second entrance can have downwardly convex Configuration.When in use, throttle disk 65 and convex ring 83 interact.In addition, one or more adjust aperture or timing aperture 89 can be set in the lower portion of distributor body.These timing apertures allow to connect with the interior room of distributor body, this It being capable of auxiliary adjustment output quantity.In in terms of the supplement, piston may include that floating device or other buoying devices exist to be conducive to piston Displacement when use.Optionally, in addition, the bottom of piston may include lower to dome 63.In addition, piston may include in top Entreat region, the center upper portion drape forming and being configured to recline pipe 103 low portion so that the first outlet of bottle cap is sealed Or it closes.Optionally, floating device can use the form of floating ball, and floating ball itself can be provided for being in upper part position in piston When seal first outlet surface.Floating ball can also be alternatively configured as the sealing second when piston is in its underpart position and enter Mouthful.Optionally, in addition, floating device can be positioned in the floating device holding meanss of such as elastic claw 342.Elastic claw 342 keeps dress Set it is so structured that around floating device or floating ball 96 with allow its be freely moved up and down so that with realize upper part barrier functionality and Lower barrier function.In terms of another supplement, platform 253 can be integrally formed on the inside of the wall of distributor body, thus Liquid is allowed to pass through platform 253.Floating part can the freely uplink and downlink in the secondary chamber being located above platform.It is optional Ground, floating ball 96 can be fixed on the appropriate location between platform and the bottom of distributor body.

In certain embodiments, the dose dispenser is particularly advantageous, because it allows in wider liquid viscosity range Realize accurate liquid dosages distribution.The embodiment of the present invention is also particularly advantageous in terms of simplification.In addition, in some embodiments In, drip is substantially prevented, and enables to be likely to unintentionally drip to outside bottle body full of liquid later in distributor chamber. The embodiment of the present invention can be adapted for range of viscosities between 1mPa.s to the liquid between 2000mPa.s.

Fig. 7 to Figure 13 shows the bottle cap 61 with following characteristics: distributor body 62, piston 63, feather valve 64, in bottle First outlet 71 in the top section of lid 61, the flip lid 72 for being hingeably secured to cover 71.The flip lid 72 is convex by using cooperating The top in the aperture of the covering of platform 73 and/or sealing first outlet 71.The configuration also prevents any dirt and/or dust from polluting first Outlet 71.Distribution shell or distributor body 62 have the interior room 80 for allowing to measure amount of liquid (see Fig. 9).Shell 20 is distributed to construct To be connect with the inside portion at the top of bottle cap 61.The interior section of first outlet 71 is actually assigned device shell 62 and surrounds, should The downside that distributor body 62 is fixed to cover by being pushed and fitted device.Distributor body 62 includes in positioned at distributor body The entrance 81 of multiple rectangular apertures forms in 62 topmost part.Distributor body has positioned at the lower part of distributor body Lower entrances 82 in part.Throttle disk 65 is placed on the bottom of distributor body 62, selectively to seal second entrance 82.The third entrance 94 for allowing liquid to flow into interior room 80 is provided in the middle section of throttle disk.Throttle disk 65 is preferably It is elasticity and/or dismountable, to be connect with connection ring 112.Annular gap is provided between throttle disk 65 and connection ring 112 113.In a preferred embodiment, throttle disk 65 and connection ring 112 are integrally formed.This can pass through the process of molding single component To realize.Throttle disk 65 can be thinner than connection ring 112, to obtain additional flexibility and allow for throttle disk 65 according to need It is opened more easily and closes.

As shown in figure 12, distributor body has the collar flange 120 with entrance 82.It can pass through at the diameter of entrance Setting is thickened towards lower convex ring 83.After throttle disk 65 is fixed to collar flange 120, the center line of throttle disk and entrance 82 Concentrically it is arranged.When bottle body undergoes condition of negative pressure in the case where for example being discharged by operator, throttle disk 65 by downlink simultaneously And bulge loop 83 is left to allow to be discharged.As shown in figure 9, the surrounding wall of second entrance 80 in cross section can be along downward side To in convex.

In Figure 14, Figure 15 and Figure 16, piston 63 can be freely moved up and down in the interior room 80 of distributor body, with The first outlet 71 is sealed when just at the first outlet 71 that piston reaches bottle cap.When piston reaches room bottom, piston may be used also With the second entrance 82 of sealed distributor shell 62 (referring to Figure 14).The top of piston 63 includes having multiple tongue pieces or upper prominent The substitution of protruding portion 91 is arranged.As shown in appended drawing reference 92, the bottom of piston 63 can be structured as spherical a part or dome A part of shape.Be provided with surface 93 in the central topmost of piston 63, when piston as shown in Figure 9 against boss when, should Surface 93 may adapt to the first outlet 71 of seal bottle cap.The configuration is particularly conducive to make piston more during liquid is filled Float fastly.After assigning process is completed, air can enter distributor body 62 through the first outlet 71 of bottle cap 61.This In the case of, distributor body 62 usually has a certain amount of liquid in inside, and air and liquid can be left in the form of bubble, Bubble can be using the form of bubble 200 shown in Figure 17.Dome 92 and sealed end 93 are configured to gather bubble 200, from And piston is quickly floated so that piston is ready for faster and more quickly distributing.

In Fig. 8, Fig. 9, Figure 10 and Figure 11, feather valve 64 is placed on the inside portion at the top of bottle cap 61.Work as elasticity When valve 64 is in barotropic state, feather valve 64 is conducive to the opening of the first entrance 71 of distributor body.When feather valve 64 is in When negative pressure state, feather valve 64 also helps the closing of entrance 71.Specifically, the preferably made such as integrated mould of feather valve 64 The monomer material part of the component of system.Feather valve 64 has valve body 100, and valve body 100 has cross valve 101,102 and of elastic protrusion part Efferent duct 103.Valve body 100 has can be using the through-hole 401 of the form in part-toroidal hole.Valve body 100 can have multiple bullets Property protruding portion 102, the multiple elastic protrusion part 102 can be arranged and be arranged in the diameter of through-hole 401 around the periphery of valve body To outside.Protruding portion 102 can be extended downwardly from valve body 100.If elastic protrusion part 102 can be made of dry part and can be with One or more first entrances of such as entrance 81 are opened and sealed for flexible construction.Once assembly is completed, valve body 100 Top edge can be kept and with the frictional fit of bottle cap 61 and distributor body 62.Distributor body 62 and bottle cap 61 The two sides of valve body can be surrounded.Elastic protrusion part 102 can be positioned on the inside portion of first entrance 81 of distributor body 62. Since feather valve 64 can be made of soft material, elastic protrusion part 102 can be adhered in first entrance 81 or can To be shifted from first entrance 81, according to whether controlling the opening and closing of first entrance 81 there are negative pressure or barotropic state. Under barotropic state, elastic protrusion part 102 leaves first entrance 81 and liquid is allowed to flow into inside distributor body 62.Negative Under pressure condition, elastic protrusion part 102 is adhered in first entrance 81 to prevent any liquid from leaking out from distributor body 82 Come.Cross valve 101 is placed in the through-hole 401 of valve body 100 and is connected with through-hole 401.Second is provided on cross valve 101 Outlet 411.The top edge of cross valve 101 is extended downwardly to form efferent duct or boss 103.When bottle body is inverted, and Before extruding, cross valve ensures that no liquid is oozed from the first outlet 71 of bottle cap 61.On the contrary during this period, liquid filling point Orchestration shell.Adjustment hole 89 is provided at the bottom of distributor body 62, which allows liquid to pass through in its entrance Room.In a preferred embodiment, there are more than one adjustment hole 89, these adjustment holes 89 can around distributor body 62 wall with Aturegularaintervals arrangement.In a preferred embodiment, the size of adjustment hole 89 can change to control output dose.Carry out squeeze and When distribution, liquid can enter in distributor body through adjustment hole 89 and piston 63 is pushed to move down and then further push Liquid in distributor body 62 is to leave first outlet 71.By increasing the size of adjustment hole 89, more liquid can flow Enter in distributor body and piston 63 is pushed with higher speed.Piston motion is faster, and the dosage distributed from distributor is got over It is few.If the size of adjustment hole 89 is smaller, the flow for flowing into the liquid in distributor body will be less, and piston 63 will It more slowly moves down, and since the movement will be slower, it will the bigger dosage of distribution.Therefore, in this embodiment, may be used To expect controlling output dose using adjustment hole 89 of different sizes, while keeping the whole size of dispenser housing 62 opposite It is smaller.

In Figure 14, piston 63 is fallen towards the bottom of distributor body 62 under the effect of gravity, and the circle of piston 63 Top 92 is shown as being shelved in the second entrance 82 of distributor body 62.As shown in figure 15, living when bottle body is upside down placed Plug 63 slides to first entrance 81 under the effect of gravity, and the intracorporal liquid of bottle starts to flow through first entrance 81 and second entrance 82 It enters the room in 80.In the process, the cross valve 101 of feather valve 64 will seal first outlet 71 to prevent from sending out during the filling of room Raw any drippage.As the liquid in distributor body 62 increases, piston 63 floats, as shown in figure 16.When extrusion bottle, bottle Body is in barotropic state, and the elastic protrusion part 102 of feather valve 64 is sufficiently mobile to allow liquid through first entrance in this state 81 and second entrance 82 flow into distributor body 62 in.

Therefore, for these liquid to piston applied force, this moves down piston.At this point, the second outlet of cross valve 101 411 are forced open and liquid are allowed to flow out.As shown in figure 17, piston 63 will be moved into sealed end 93 and close efferent duct 103, Thus allow to distribute dose.Once bottle body is released, bottle body is in negative pressure state, and outside air is through cross in this state The second outlet 411 of valve 101 enters in distributor body.Under negative pressure, elastic protrusion part 102 keeps being in first entrance 81 In.Air inside distributor body 62 is prevented from escaping into bottle body through first entrance 81, and the intracorporal liquid of bottle can not It is flowed into distributor body 62 through first entrance 81.Piston 63 is moved up by air push, while throttle disk is pushed away by air The bulge loop 83 at distributor body bottom is moved and subsequently departed from, thus air is allowed to enter in bottle body through gap 113, such as Figure 18 institute Show.For the dome 92 of piston 63 against the second entrance of distributor body, this allows distributor to be that next assignment period carries out standard It is standby.

Figure 19 shows another embodiment of dose dispenser.In this embodiment, piston 63 includes 343 He of floating part Floating ball 96.Floating part 343 is shaped and configured to the first outlet 71 of the seal bottle cap 61 when piston 63 is moved upward to top. Floating ball 96 is configured to seal second outlet 82 when on the bottom that piston 63 is located at distributor body 62.Optionally, floating part 343 are surrounded by floating protruding portion 341.In the bottom of floating part 343, it optionally is provided with elastic claw or Elastic Teeth 342 Arrangement.Elastic claw 342 surrounds floating ball 96, while still allowing for floating ball above and below the lesser interior formed by whole elastic claws It is mobile.It is provided with through-hole 343, in floating part to allow liquid to flow through.In the bottom of floating part 34, it is provided with prominent downwards Pipe out, to form the ring 344 with inner chamfer.The diameter of the ring is relatively large compared with the diameter of through-hole 343.Ring 344 Inner wall can be structured as arc, to agree with the profile of floating ball 96.

In the embodiment of figure 20, the elastic claw in embodiment without such as Figure 19, thus floating part 63 and floating ball 95 be separation.In addition, the internal structure of distributor body 62 is different.In this embodiment, platform 85 is in distributor body 62 Entire width on extend, and interior room is divided into pressure chamber and demand chamber by platform 85 and distributor body 62.Floating member 63 It is configured in the position of its pipe against the position of the low portion of platform and floating member engagement as in the preceding embodiment Between be freely moved up and down.In this embodiment, floating ball 96 rests between platform 85 and the bottom of distributor body 62 Appropriate position.In addition, optionally having several first through hole 251 between pressure chamber and demand chamber.The central portion of platform 85 Dividing may include the part 252 extended towards first outlet 71.The part 252 of the extension can also include the second through-hole 253.It is flat A part of platform 85 may include curved surfaces, which is configured at least part of profile of matching float ball 96. Since part 252 outstanding extends in a downward direction, floating part 63 can also include to accommodate the part 252 outstanding Groove or recess portion.When in use, the intracorporal liquid of bottle can enter distributor through first entrance 81 and through second entrance 82 In shell 62.It is all these to combine the floating for leading to both part 63 and ball 96.When extrusion bottle in bottle to generate just When pressure, ball 96 is forced to move down and engage with the curved surfaces of platform 85, this seals the second through-hole 253 again.Therefore, it will The liquid for flowing through hole 253 will flow to the bottom of distributor body 62 through hole 251 now.Floating part 63 then will be together with fluid It moves down.When floating part 63 and first outlet 71 contact, sealing is formed after distributing dose.Once bottle body Back to upright position, outside air just enters through first outlet 71, and negative pressure makes floating part 63 and floating ball 96 in weight Power effect is lower to return to its initial position, to prepare to be used for next distribution circulation.

In the embodiment of figure 21, piston 63 has the configuration similar with configuration shown in embodiment of the Figure 14 to Figure 16. However, having differences, such as floating ball 96 is arranged between platform 85 and base portion.Platform 85 can have to be retouched in detail with referring to Figure 20 The similar configuration of the configuration stated.Particularly, platform 85 may include sidewise hole 251 and medium pore 253.

Claims (14)

1. a kind of proportioning device suitable for distributing the liquid of doses from elastic squeezable container, comprising:

Cover, the cover are adapted for attachment to the container, and the cover includes the passing away for liquid to be discharged；

Demand chamber, the demand chamber are attached to the cover, and the demand chamber includes from the side wall of cover extension and in institute State at least one entrance opening close to the cover in side wall；

Pressure chamber, the pressure chamber are located at below the demand chamber；

Valve, the valve be arranged in the pressure chamber far from the demand chamber end, the valve can open position with It is moved between closed position, in the open position, the valve allows liquid to flow through one or more exhaust openings, in the pass Closed position, the valve close the exhaust openings or each exhaust openings, and the valve includes at least one hole；And

Plunger, the plunger are arranged in the demand chamber, and the plunger can be mobile so as to crowded relative to the demand chamber Blocking position is proceeded to when pressing the container.

2. proportioning device according to claim 1, the proportioning device further includes the insertion piece with slit valve, described to insert Enter part to be arranged between the cover and the demand chamber.

3. proportioning device according to any one of the preceding claims, wherein the insertion piece includes to far from described narrow The direction of slit valve tubular portion outstanding；When the plunger is located at the close cover of the demand chamber in a state of use When end, the plunger interacts with the lower end of the tubular portion in a state of use.

4. proportioning device according to claim 2 or 3, wherein the insertion piece includes partly covering the entrance to open The skirt section of mouth.

5. proportioning device according to any one of the preceding claims, wherein the hole is located at the center of the valve.

6. proportioning device according to any one of the preceding claims, wherein the pressure chamber has than the demand chamber For smaller diameter to form flange, the plunger rests against the flange when being in its extreme lower position.

7. proportioning device according to any one of the preceding claims, wherein the valve includes being protected by one or more Hold the disk that device is attached to the pressure chamber.

8. proportioning device according to claim 7, wherein the holding meanss include one or more teeth, one Or inner surface of multiple teeth against the pressure chamber extends.

9. proportioning device according to claim 8, wherein the tooth includes hook portion, and the pressure chamber include under it is convex Rib, the lower fin extend at least partly around the internal diameter of the room, thus when the valve is in opening in a state of use The tooth is kept when position.

10. proportioning device according to any one of claims 7 to 9, wherein the disk has upper surface, is being in institute When stating closed position, the upper surface abuts the distal end of the pressure chamber in a state of use.

11. the proportioning device according to any one of claim 8 to 10, wherein the diameter of the disk is greater than the pressure The outer diameter of room.

12. proportioning device according to any one of the preceding claims, wherein the plunger includes the lowest part of cheese Part.

13. a kind of proportioning device, proportioning device text generally as described above and/or such as accompanying and/or attached Shown in the random suitable combination of figure.

14. a kind of container, the container includes proportioning device according to any one of the preceding claims.