CN102066006A - Elastomeric dispensing pump that can be made with as few as two components - Google Patents
Elastomeric dispensing pump that can be made with as few as two components Download PDFInfo
- Publication number
- CN102066006A CN102066006A CN2009801225599A CN200980122559A CN102066006A CN 102066006 A CN102066006 A CN 102066006A CN 2009801225599 A CN2009801225599 A CN 2009801225599A CN 200980122559 A CN200980122559 A CN 200980122559A CN 102066006 A CN102066006 A CN 102066006A
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- China
- Prior art keywords
- pump
- valve
- dispensing
- stone
- seat
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
- B05B11/0027—Means for neutralising the actuation of the sprayer ; Means for preventing access to the sprayer actuation means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
- B05B11/0037—Containers
- B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
- B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
- B05B11/00442—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means the means being actuated by the difference between the atmospheric pressure and the pressure inside the container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1028—Pumps having a pumping chamber with a deformable wall
- B05B11/1032—Pumps having a pumping chamber with a deformable wall actuated without substantial movement of the nozzle in the direction of the pressure stroke
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1028—Pumps having a pumping chamber with a deformable wall
- B05B11/1033—Pumps having a pumping chamber with a deformable wall the deformable wall, the inlet and outlet valve elements being integrally formed, e.g. moulded
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
- B05B11/1052—Actuation means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
- B05B11/0037—Containers
- B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
Abstract
A fluid dispensing pump manufactured from as few as two parts: a stationary pump base with an inlet passageway; and an integral pump top with a fluid-tight attachment to the pump base, a generally rigid core and a self-restoring elastomeric layer. The core has a base attachment portion and a dispensing valve core. The elastomeric layer includes a resilient self-restoring pump wall and a dispensing valve membrane. Assembling the pump base and the pump top creates a dispensing pump with an inlet passageway, a one-way inlet valve, a self-restoring resilient pump cavity of variable volume and a one-way dispensing valve. The integral pump top may have a rigid or semi-rigid actuator portion with the resilient self-restoring pump wall. The pump may have a valved venting passage and may have a secure lock-in mechanism for leakage prevention.
Description
Background technology
Technical field
The present invention relates to the fluid-dispensing pump field, relate in particular to a kind of optional self-closing that has, just turn-offing and elasticity dispensing pump that valve venting channels mechanism is gone forward side by side and only is made up of two easy assembled components.
The background technology explanation
Dispensing pump is well-known in the prior art, and is generally used for distributing various liquid with different flow characteristicses and viscosity.The discharging modes of these pumps differ from mist to slow mobile stream and with.The example of common numerous dispensing pump on the market, such as being used for hand lotion, shin moisturizer, wall mounted type dispenser the shampoo, the product container-type of liquid soap or window cleaning agent and so on or the dispensing pump of finger manipulation formula and the soap dispenser in bathhouse.
Reciprocating piston pump is the type of most widely used dispensing pump.This pump is quite complicated, has nine or more parts and comprises non-return valve, various springs, sliding plunger, the use of seal and need complicated processing and the engineering key element that is associated of assembling.They also need size restrictions, will be difficult to keep suitable dimensional tolerance because work as the size increase; Equally, owing to have a large amount of assemblies, miniaturization also is restricted.Because be subjected to the restriction of cylinder-shaped body shape, they also have the restriction of own design esthetics and have limited design creativity, and suitable heaviness.
These inconvenience of reciprocating piston pump be well-known in the art and below patent documentation in obtained preliminary solution, these pumps have as bellows, elastic wall or suchlike flexible or deformable wall and only need seldom parts, and some in them only have two basic parts.However; the large-scale production of these pumps still faces the challenge of assembling aspect; owing to flexible parts yielding orientation problem that produced when assembling; and may cause the defectiveness parts to reach unacceptable level; particularly relate to the assembling of groove, annular distance or sliding seal, and when required being tightly connected properly is installed.They have equally also presented reliability problems, because be difficult to compliant member and rigid element are tightly connected.In addition, the dispensing pump that great majority have flexible wall just can begin dispense liquid when the inlet of pump applies sufficient malleation, this malleation has taken place to produce when enough variations have caused significantly increasing of container internal gas pressure in temperature, particularly when the liquid in the container is volatile.It is extremely worthless that this spontaneous liquid that does not need user intervention distributes.
The present invention relates to have the pump of deformable wall, more precisely, relate to have elastic wall, solve the pump of challenging in the prior art.
About prior art; seldom there is patent documentation openly only to have the dispensing pump of two assemblies: rigidity pump seat and the elastic parts that constitutes the pump housing; and most pump all has spontaneously assignment problem; and present the challenge of large-scale production; because need be tightly connected, and the complex geometry between compliant member and the rigid element also complicated greatly automatic assembling.By using a stone to be connected on the compliant member, will help addressing this problem so that compliant member is more prone to and is installed on the rigidity pump seat reliably.
U.S. Patent number 3,486,663 disclose a kind of elasticity pump comprises that one has the flexible member of a recess to contact and to open to limit the chamber of a sealing by two mouths with the bearing-surface sealing of a base member.Here for the recess of example of dispensing pump in have a dividing plate, dividing plate has that an elasticity is held on and the fender relative with described base assemblies.This set needs two compartments and has produced reliability and packing problem.
● U.S. Patent number 3,752,366 disclose a kind of two-piece type sucking pump with deformed component, have a cannelure and an annular distance that contacts with the sealing of cap assembly.
● U.S. Patent number 3,820,689 disclose a kind of elasticity pump has a rigid bottom assembly and an elasticised upper assembly and a lip or the flat component that extends elongation with dome type parts.Such design has some problems: for example, the pressure that is applied on the pump will tend to " the elasticised upper assembly of integral type " and " base assemblies " are separated, no matter it is mechanical fixation (for example using groove) or pastes (method of this patent favor).And this pump of assembling will be difficult to finish in practice automatically on production line.
● U.S. Patent number 6,755, the complicated pump of sliding seals is used in 327 instructions, and this may have problems, and " stiff end is sealed near the access road pump seat " may produce leakage problem.
● U.S. Patent number 6,910,603 have also instructed a kind of quite complicated pump, this will " annular stops the way of strip of paper used for sealing (23) CONTACT WITH FRICTION between top assembly (10) and lower component (11) " may be unreliable and may be because the length of this strip of paper used for sealing be whole girth and be easy to leakage." annular venting chambers (31) " are like this too.
Have only the pump of the deficiency that can remedy existing dispensing pump just can have superiority.Use pump of the present invention:
1) described stone provides intensity and structure for complete pump top, and to assemble complete pump top will simple in the extreme with pump seat, and the firm instrument that does not also need precision with casing pressure that compresses.When the pump top was connected structure with pump seat, assembling will be simpler, because each parts manifest in advance, and assembles and can carry out in the mould in the depanning step, reduced by a number of assembling steps.
2) therefore start-up cost such as modeling and processing and manufacturing and assembly cost will reduce significantly, because this pump only comprises two simple parts, but because the preferred forms of this pump is self-packing, this will improve its service behaviour and reliability.And described pump has the very desirable optional function such as self-closing and safety locking.
3) because of simple shape, instrument is also very simple, and the design of described pump can allow the shape flexible transformation of pump.
4) combination of two kinds of materials allows to carry out art designing's design and color matching for aesthetic joyful packing.
5) owing to not becoming problem, dimensional tolerance do not allow size to have bigger flexibility, particularly in embodiment, because this film is self-closing with respect to pump seat with bottom elastic film.Same miniaturization neither a problem, and this pump can be considerably little.
6) the intrinsic leakage problem of most flexible membrane pumps is also eliminated basically because the enhancing of the pressure in the pump chamber with elastic layer to pump seat oppositely push away and therefore stone has improved the sealing of pump chamber.This effect is strengthened in the embodiment with bottom elastic film, because further seal with respect to pump seat than the low elasticity film.
7) distribution end of dispensing pump of the prior art is for movably, and this is very inconvenient for the user, and uses the distribution end of pump of the present invention to fix for convenience.Optionally transmission device has further improved user friendly row and has met ergonomics.Most dispensing pump needs vertical finger pressure, and pump of the present invention can be operated with any finger position.
8) being present in most spontaneous assignment problem with dispensing pump of flexible wall of the prior art has usually obtained partly solving by one of the pump seat in the preferred forms of the present invention recessed top airfoil.This problem is eliminated in another embodiment, and the air intake valve of pump is closed when pump is in quiescent condition among this embodiment.
Summary of the invention
The present invention has overcome above-mentioned and/or other problem, and relate to a kind of fluid-dispensing pump that can only form by two easy assembling parts manufacturings, reliable and easy to operate, and in each advantage, provide than higher ergonomics of prior art and bigger design flexibility and aesthetics.
The preferred forms of described pump has a fixed pump seat (200) and and has the complete pump top (300) that be connected fluid-encapsulated with described pump seat.Described fixed pump seat (200) has an access road (201), a top aerofoil (202), feeding hole, a top (201a) and a top connecting portion (211).Described pump top comprises a common stone (310) and an elastic layer (320) that recovers automatically.
Described common stone (310) has a base connecting portion (311), accordingly around the top connecting portion (211) of described fixedly pump seat (200), separately or together with described elastic layer (320), be used for and fluid-encapsulated being connected of described pump seat (200), and one distributes spool (315) to stretch out from described base connecting portion (311) alternatively.
Elastic layer (320) is connected in common stone (310) to form a continuous closed surface, thereby form a pump chamber (103), the top airfoil (202) of described pump seat (200) is as the base of described pump chamber (103), and stone (310) provides intensity and structure for pump chamber (103).Elastic layer (320) comprises a flexible automatically reset pump wall (323), is used to limit the top of pump chamber (103).
Elastic layer (320) comprises that further a distributing valve film (325) and described distribution spool (315) formed a unidirectional distributing valve (105) jointly, and a distribution openings or hole (326).In the preferred forms of the present invention, described distribution spool (315) can be solid; In the optional embodiment of another one, it can be hollow and comprise a spool exit passageway (106) that described distributing valve film comprises that a strain portion has formed a unidirectional outlet valve (107).
Elastic layer (320) also can further comprise a bottom elastic membrane (322), and it has a pump chamber feeding hole (322a) and an inlet valve membranous part.During assemble pump, the inlet valve membranous part has been formed a unidirectional inlet valve (102) with the feeding hole, top of fixed pump seat (200).
In preferred forms of the present invention, the whole periphery of elastic layer (320) and the base coupling part (311) of general stone (310) preferably inner peripheral is connected.
In an optional embodiment of the present invention, elastic layer (320) comprises a plurality of discrete portions, the edge of each discrete portion is connected or is connected the periphery of described stone (310), preferably connect be rigid material by described common stone (310) and described elastic layer (320) elastomeric material thawing portion interface solidify realization, form a continuous inner surface by described stone and described elastic layer by this way.The lower edge of described elastic layer (320) is connected in described common stone (310) upper limb.Described distributing valve film (325) can be installed on the described distribution spool (325) or within continuously in the surplus portion of described elastic layer (320), perhaps connect in the outer rim of described distribution spool (315) and other corresponding edge of described stone (310).Bottom elastic membrane (322) can be a continuous portion of elastic layer (320), perhaps can connect in the edge of base connecting portion (311).
When assembling described pump seat (200) and described pump top (300), the dispensing pump of one complete function is by an access road (101), the elasticity pump chamber (103) of an automatically reset variable volume and and create for a unidirectional distributing valve (105) of self-closing in most embodiments of the present invention and form.In an optional embodiment, described admission valve can cut out when described dispensing pump is in quiescent condition.One air-vent can add in the described dispensing pump as required.
In the another one embodiment, described basic pump top (300) has a drive division rigidity or semirigid (314) and is defined in or embeds, described flexible automatically reset pump wall (323), and preferably be connected with the base coupling part of described stone (311) to improve pumping efficiency in mode like the spring.Equally, described basic pump pushes up removable with respect to described pump seat alternatively or the central shaft between open position and closed position rotates so that described pump is opened to distributing fluids at open position, closes in the closed position and can not operate.
The object of the present invention is to provide a kind of dispensing pump that only adopts two easy assembling parts, operation is reliable, cheap for manufacturing cost, die cost and equipment cost are low, and compare ergonomics and the design flexibility that provides higher with the dispensing pump on the existing market.
Another purpose of the present invention is to provide a kind of fluid-dispensing pump, adopt optional self-closing and just turn-offing mechanism, manufacturing and assembly cost are cheap, easy to operate, and provide leak free enhancing anti-leakage in the closed position, self-closing is for fear of the deterioration that distributes material residual in the passage and guarantees distribution openings or the cleaning in hole, and fluid leaks the problem of the life period care that is entire pump.In transportation during described pump, internal container pressure may shake owing to variations in temperature and/or handling shock, also may not produce leakage even when pump is driven; Therefore, just turn-offing machine-processed one very desirable function efficiently.
Description of drawings
Figure 1A. show with a kind of and connect the perspective view that means are connected in the container of being given the preferred forms of the present invention in the pump seat.
Figure 1B shows Figure 1A. the front view of embodiment.
Fig. 2 A shows stone pump top portion among Figure 1A and has a front view that distributes spool and stone valve opening.
What Fig. 2 B showed stone pump top portion among Figure 1A has the front view of posterior limiting mold pressing on it.
Fig. 2 C shows the upward view of the stone pump top portion among Fig. 2 A.
Fig. 3 shows the fixedly pump seat with a pump seat valve recess among Figure 1A-1B.
Fig. 4 shows the side view of the optional embodiment with a recessed pump seat top airfoil.
Fig. 5 A shows to be in and loosens the side view that is in the pumping ready state with the embodiment of Figure 1A of quiescent condition.
Fig. 5 B shows that elasticity pump layer in the embodiment of Fig. 5 A is depressed and just in dispense liquid.
The described elasticity pump layer that Fig. 5 C shows the embodiment of Fig. 5 A-5B discharges afterwards and the induction valve unlatching.
Pump when forbidding pump top that Fig. 6 shows an embodiment of the invention rotates to the cutaway view of the transporting position of a safety.
Fig. 7 A shows has the cutaway view that a rigidity drive division embeds an embodiment of the invention within the described elastic layer, and described elastic layer comprises three independent part of the corresponding edge connection that is connected in described stone.
Fig. 7 B shows the perspective view of the stone of the embodiments of the present invention shown in Fig. 7 A of the drive division that had connection before the described elastic layer of last pressure.
Fig. 7 C shows the cutaway view that the embodiment shown in Fig. 7 A has rigidity drive division and elastic layer simultaneously.
Fig. 8 shows the cross-sectional view of the other embodiment with general duckbilled distributing valve.
Fig. 9 A shows has the viewgraph of cross-section that a vertical duckbilled distributing valve and locks an optional embodiment of insert.
Fig. 9 B shows the viewgraph of cross-section that the secure lock position has the embodiment of a locking insert.
Figure 10 shows to have the optional embodiment of pump seat and pump top by a pump that is connected as the dual link thing of leak-proof manner simultaneously.
It is in the closed position that Figure 11 A shows supply port.
The supply port that Figure 11 B shows Figure 11 A is shown in an open position.
Figure 12 A shows the perspective view that an optional embodiment of the present invention is in the secure lock position.
The embodiment that Figure 12 B shows Figure 12 A is in the perspective view of distribution locations.
Figure 12 C shows the cutaway view of Figure 12 A.
Figure 12 D shows the cutaway view of Figure 12 B.
Figure 13 A shows the mutation of the embodiment of Figure 12 A.
Figure 13 B shows the side view of the embodiment of Figure 13 C.
Figure 14 A shows the cutaway view that pump that the optional embodiment of Fig. 7 A assembles and access road are connected in drive division.
Figure 14 B shows the another cutaway view of Figure 14 A embodiment.
Figure 15 shows one and has the optional embodiment that duckbill valve inserts the pump seat of access road.Several accompanying drawings that presented and explanation are in order to help to understand the present invention.Scope of the present invention is not limited to shown in the figure.
The specific embodiment
The present invention relates to a kind of fluid-dispensing pump that can only be formed by two easy-to-assemble individual components manufacturings: a pump seat portion and a complete pump top that is connected safely with fluid-encapsulated mode and described pump seat, described pump top has a stone and an automatically reset elastic layer.Two parts on described pump top can be made or overmolded in same mould by multiple material, and described stone is at first made and place the mould press mold to be shaped to elastic layer subsequently again.
Described stone can be connected 1 by following mode with described elastic layer) mechanical bond such as groove, roughness, hole or other surface means 2) chemical bond solidifies 3 as the interface of two kinds of material thawing portions) or they can weak convolution covering.Some embodiments of the present invention do not need combination especially securely because elastic layer is self-sealing; However, in having the embodiment of rotary part, need combination securely so that described elastic layer suitably rotates with described stone.
In the one-step shaping step, use identical materials but distinguish flexible portion and semi-rigid portion all falls within the scope of the present invention with different-thickness and elasticity for the rigid element on described pump top and described elastic layer; However, Zui Jia method is to use two kinds of different materials.
In the embodiment of the best, described elastic layer extends continuously with the elastic membrane that forms a bottom to contact with the top airfoil sealing of the bottom of described pump, and the part of bottom elastic membrane covers whole access road to form a unidirectional induction valve.
After described pump top is connected in described pump seat, and when described pump was in mode of operation, when pressing down the top of described elastic layer, internal pressure will be closed induction valve and be impelled liquid to flow out from described distributing valve.When this top in after be released after, it will be returned to original shape and produce a negative pressure and close described distributing valve and open induction valve liquid is pushed pump chamber.Described distributing valve in most embodiment of the present invention is self-closing.Can add an air-vent according to different application needs.In order to transport and to store, can adopt an optional shutdown mechanism to fix and close described distributing valve.Distributing valve under the present invention can be used as one and distributes the critical point when being connected in squeeze receptacle.In an optional embodiment, when the induction valve of described pump is in the tranquillization position, it is closed to prevent increasing the spontaneous distribution that causes because of the pressure in the container that is connected.
Figure 1A-1B shows the perspective view and the front view of a preferred forms of the present invention.The one fixed pump seat (200) that the device (not shown) that is used to be connected in a container is housed has a complete pump top (300) and is mounted thereon.The distributing valve of a unidirectional self-closing (105) stretches out and provides an outlet for the liquid substance in the described container.The distributing valve (105) that described unidirectional self-closing has distribution openings (326) is user's operation for convenience, though it does not need length as illustrated, does not perhaps also need to stretch out.Described pump shown in Figure 1A-1B is in mode of operation, and described distributing valve (105) aligns with the pump tabernacle (215) of described base.The front view of Figure 1B shows the below that described stone valve opening (315a) is positioned at the distributing valve (105) that aligns with described base valve recess (215).Posterior limiting peace (320) dress thereon, and with stone (310) sealing on described basic pump top (300).When pushing, this elastic layer (320) makes discharges the pump chamber of liquid under being formed at it, and when discharging, it is extracted liquid and arranges described pump chamber again from described container.Rigid portion described in Figure 1A-1B can be made by the thermoplastic such as the polypropylene of any appropriate.Described automatically reset rubber-like elastic layer (320) can be an any flexible material and a thermoplastic elastomer (TPE), perhaps only is the rigid portion of the thin layer of a same material as described pump top in some embodiments.
Fig. 2 A shows the stone (310) with base connecting portion (311), the stone valve opening (315a) of the described pump among described distribution spool (315) and Figure 1A-1B.Fig. 2 B shows described basic pump top (300) and is produced on the pump wall (323) that has formed a resilient automatic recovery with the elastic layer with a variant part (320) and is molded to and also further comprises a distribution openings (326) on described stone (310) and the described distributing valve film (325).Fig. 2 C shows the upward view on basic pump top identical among Fig. 2 B and shows the bottom elastic membrane (322) with pump chamber feeding hole (322a) and go into membrana oralis valve portion (322-b) and the lifting unit (325a) of distributing valve film (325).
The fixed pump seat (200) that Fig. 3 shows among Figure 1A-1B has a feeding hole, top airfoil (202), top connecting portion (211) and base valve recess (215).In this special embodiment, described complete pump top (300) (shown in Fig. 2 B) be connected in the top and be positioned at as described in pump seat (200).Pump seat (200) can be connected in a container.
Fig. 4 shows the viewgraph of cross-section of internal structure of the pump of an optional embodiment of the present invention, it has a recessed base top airfoil (202) so that when assembling basic pump top (300) and fixed pump seat (200), when described dispensing pump is positioned at operating position, go into membrana oralis valve portion be installed on feeding hole, described top (201a) directly over and need malleation to open described admission valve (102).This can prevent to distribute owing to the air pressure in the container that may be connected in described distributing valve increases the spontaneous liquid that causes.Open the required malleation of admission valve (102) and depend on the curvature and the described elasticity of going into membrana oralis valve portion of described top airfoil (202).
Fig. 5 A shows the viewgraph of cross-section of the internal structure of the pump among Figure 1A-1B.Fig. 5 B and 5C show the operation and the internal structure of the embodiment of Fig. 5 A with the form of section.Described fixed pump seat (200) has an access road (201), feeding hole, a top (201a), a top airfoil (202), a top connecting portion (211) and a base valve recess (215).Described complete pump top has a common stone (310), and it comprises a base connecting portion (311), and one distributes a spool (315) and a stone valve opening (315a).Posterior limiting (320) is molded to and forms a continuous surface on described base connecting portion (311) inner peripheral and the described distribution spool (315) and recover flexible pump chamber (103) automatically to form one.Described elastic layer (320) stretches into one and has the bottom elastic membrane (322) of going into membrana oralis valve portion that pump chamber feeding hole (322a) and covers feeding hole, top (201a), has formed a unidirectional induction valve (102).Described elastic layer (320) has a pump wall portion (323) and of automatically recovering and is installed on distributing valve film (325) and a distribution openings (326) that is positioned at its tip on the described distribution spool (315).Described distributing valve film (325) has a limited section (325b) and lifting unit (325a) and has formed a unidirectional distribution spool (105) with described distribution spool (315).
Described pump operated once after, will be full of the runny material that is pumped in the pump chamber (103) and will be in ready or quiescent condition.Automatically the pump wall (323) that recovers in described elasticity by the such mode of finger presses is exerted pressure and is produced a normal pressure and close admission valve (102) at described pump chamber (103).The pump wall (323) that the described elasticity of being showed among Fig. 5 B is recovered automatically is squeezed.When described pump is positioned at operating position, and described stone feeding hole (315a) is when aliging with described base valve recess, and described lifting unit (325a) can freely be broken away from described distribution spool (315).Normal pressure in the pump chamber (103) makes the lifting unit (325a) of distributing valve film (325) form an exit passageway (106) of discharging for liquid from distributing spool (315) to penetrate.After impacting outlet, flexible automatic recovery pump wall (323) is released.Fig. 5 C shows this situation.Because elasticity is recovered pump wall (323) automatically and is returned to its original shape, reverse spool (315) is dilatory closes unidirectional distributing valve (105) to the malleation that produces in the pump chamber (103) in distributing with lifting unit, and makes to rise to be sent to a place under guard from top airfoil into membrana oralis valve portion and put portion feeding hole (201a) and open admission valve (102).The dilatory liquid of negative pressure enters and is full of pump chamber (103) from container by access road (201) once more.Unless the container that is connected is nonventilated container, need one to have the valve exhaust passage that air is mended in the container usually.This supply port will illustrate subsequently.
Fig. 6 shows the embodiment of pump that having among Fig. 5 A-5C rotates to the pump top of safe transport position.In this position, go into membrana oralis valve portion and do not cover feeding hole, top (201a), and admission valve (102) can't normally use.And stone valve opening (315a) does not align with pump seat valve recess (215), and the lifting unit of distributing valve film (325a) is prevented from breaking away from distribution spool (315).This will close unidirectional distributing valve (105).
Fig. 7 A-7C shows to have one and is connected in stone (310) and embeds elasticity pump wall (323) rigidity or an optional embodiment of the present invention of semirigid drive division (314).Being connected alternatively as a spring between drive division and the stone to improve pump performance.This drive division (314) has improved ergonomics and service behaviour.Fig. 7 B shows this rigidity or semirigid drive division (314) was connected in stone (310) before elastic layer (320) overmolded.
Fig. 7 C is the profile that shows the embodiment shown in Fig. 7 A, and wherein rigidity drive division (314) embeds in the elastic layer (320) and the lower edge (320a) of the pump wall (323) that the elasticity of elastic layer (320) is recovered automatically solidifies the upper limb (310a) that is connected in stone (310) by interface.Described distributing valve film (325) is connected in the edge of distribution spool (315) and the edge of stone valve opening (315a).Bottom elastic membrane (322) is connected in the lower edge of base connecting portion (311) at the place, periphery.
Fig. 8,9A and 9B show an optional embodiment of the present invention, wherein basic pump top (300) is that a ways of connecting is connected in a container, and in the container connecting portion on pump seat (200) insertion pump top, and distribute spool hollow and formed an exit passageway (106).The distributing valve film has a unidirectional outlet valve portion (107) and form a duckbill valve in exit passageway (106).In the viewgraph of cross-section of Fig. 9 A, unidirectional outlet valve portion (107) is a vertical duckbill valve, and one optionally locking insert (338) be positioned at the tip of the external part of the exit passageway (106) that distributes spool (315), and rotate to a firm latched position locking insert wherein from an enable possition distributing valve shown in Fig. 9 B cut out.
Figure 10 shows has pump seat (200) and be connected with a embodiment as the dual attachment (109) of leakproof equipment.In this embodiment, when assemble pump, the membrana oralis valve portion (322-b) of going into of bottom elastic membrane (322) covers access road, and the lifting unit of distributing valve film (325a) is under an embargo and break away from distributes spool.In this position, the disabled and unidirectional distributing valve of admission valve cuts out, and described pump is placed a safety, firmly and the state of sealing to transport and to store.Any malleation in the pump chamber presses down access road liquid.Described pump can not be operated because liquid can't be discharged pump chamber.For pump can be operated, the pump top needs to rotate about 180 degree around central shaft, and attachment (109) is fractureed.At this reposition, bottom elastic membrane (322) go into that membrana oralis valve portion covers feeding hole, top and the pump seat valve recess aligns so that admission valve and unidirectional distributing valve can be operated with stone valve opening (315a).This provides drip-preventing function.
Figure 11 A-11B shows the multiple mode that realizes having the valve venting channels.Herein, pump seat (200) has a radial passage, and the base connecting portion (311) of pump top stone (310) has a corresponding groove as feeding hole (401).Bottom elastic membrane (322) has a vertical channel that departs from the stone groove.Pump seat has formed the vertical channel of a feeding container.When making pump chamber generation negative pressure owing to the release of automatic recovery layer, the bottom elastic membrane is pulled down so that air enters in the container shown in Figure 11 B.Should be noted in the discussion above that the air channel that can have a variety of modes that valve venting channels or other types will be arranged comprises in the pump of the present invention.Every kind of mode all within the scope of the present invention.
Figure 12 A-12D and Figure 13 A-13B show to have a drive division (314) and is embedded in elastic layer (320) pump seat wherein can slide into operating position from firm latched position with respect to pump seat (200) an optional embodiment of the present invention.Figure 12 A and 12C show respectively and are in latched position stone (310) withdrawal pump seat (200) so that the tip of distributing valve is restricted in the pump seat (200), and the lifting unit of distributing valve film (325a) is under an embargo and breaks away from the perspective view and the cutaway view of the pump that distributes spool and therefore distributing valve (105) cuts out.Figure 12 B and 12D show respectively and are in the perspective view and the cutaway view of pump that operating position drive division (314) has the operating position of downward pressure.The lifting unit (325a) of distributing valve film (325) has been opened up an exit passageway (106) from distributing spool (315) to stretch out.This of pump kind of embodiment can be very little and as the dispensing pump of sample, amenities or magazine insert and can paste, perhaps magazine insert and glue-bondable on a container or as the element of container.Figure 13 A and 13B show by ways of connecting and are connected in a bottle and are designed to the mutation of an embodiment of the invention that big volume distributes.
Figure 14 A shows has cutaway view and the detail view that an induction valve insert is connected in rigidity or semi-rigid drive division (314) and is installed on the optional embodiment of the present invention in the access road (101).Access road has a top and has formed an induction valve supporter (202b) with a pump seat valve opening (202c).Induction valve insert (312) has a burble point as stone feeding valve opening (312a).Induction valve film (322c) is installed on the induction valve insert (312) and has an induction valve film (322d) and formed an admission valve (102).When induction valve was in the tranquillization position, the induction valve fenestra was fed valve supporter (202b) and seals up, and admission valve (102) cuts out.Be in reverse to induction valve supporter (202b) compressing induction valve insert (312) and induction valve film (322c) from the malleation in the access road, thereby stop liquid stream to flow in the pump chamber (103).When dispensing pump is in depressing position, induction valve film (322c) breaks away from induction valve supporter (202b), and the different negative pressure in the pump chamber (103) promotes induction valve film (322c) so that liquid stream passes induction valve fenestra (322d) and pump seat valve opening (202c) inflow pump chamber (103) from stone feeding valve opening (312a) from induction valve insert (312).Figure 14 B shows the position that the another one cutaway view has indicated pump seat valve opening (202b) and stone feeding valve opening (312a).
Figure 15 shows the cutaway view of an optional embodiment of the present invention, and it has a fixing pump seat (200), and described fixedly pump seat has a duckbilled induction valve (102) that inserts in the access road (101).Duckbilled induction valve (101) can be made and take shape in a multiple technology of knocking moulding within the access road (101) or be inserted in the access road (101) can be in assembling the time by elastomeric material.
Several explanations and the illustration that are provided are in order to help to understand the present invention, and one skilled in the art will appreciate that can be to the multiple conversion of the invention process in the category that does not depart from spirit of the present invention, and various conversion all will fall within the scope of the present invention.
Claims (15)
1. a fluid-dispensing pump comprises:
One is equipped with the fixed pump seat (200) of access road (201), feeding hole, a top (201a), a top aerofoil plane or that be generally concave surface (202) and a top connecting portion (211);
One is equipped with and is used for comprising with the complete pump top (300) of the fluid-encapsulated device that is connected of pump seat: a common stone (310) and a posterior limiting (320), described complete pump top (300) is that a multiple material monolithic is shaped to a continuous piece, it is characterized in that described general stone (310) is made by rigid material and elastic layer (320) is made by highly elastic material;
Described common stone (310) has the periphery that a base connecting portion (311) is looped around the top connecting portion (211) of described fixed pump seat (200) accordingly, separately or with described elastic layer (320) jointly for described pump seat (200) has formed a fluid-encapsulated attachment, and one distributes the spool (315) to stretch out from described base connecting portion (311) alternatively;
Described elastic layer (320) comprising:
The pump wall (323) of one flexible automatic recovery defines the top of described pump chamber (103);
One distributing valve film (325) makes stream material pass through that a unidirectional distributing valve (105) that is formed by described distribution spool (315) and described distributing valve film (325) is unidirectional controllably to flow out with described distribution spool (315);
Described elastic layer (320) is connected in described stone (310) thereby having formed the wherein said top airfoil of a pump chamber (103) (202) is the base of affiliated pump chamber (103),
So as to when assembling pump seat and the pump top, the dispensing pump of a perfect in shape and function (100) is by an access road (101), a unidirectional induction valve (102), and a pump chamber (103) and a unidirectional distributing valve (105) that recovers flexible variable volume automatically set up.
2. dispensing pump as claimed in claim 1, it is characterized in that, described elastic layer (320) comprises the polynary portion of the corresponding edge that is connected in described general stone (310), preferably by described rigid material is connected solidifying of interface with the thawing part of described flexible material, described elastic layer (320) forms a continuous surface with described common stone (310).
3. dispensing pump according to claim 1 is characterized in that described admission valve cuts out when described pump is in the tranquillization position.
4. dispensing pump as claimed in claim 1, it is characterized in that described complete pump top (300) comprises that further a rigidity or semirigid drive division (314) are limited to or embed the pump wall (323) of flexible automatic recovery and preferably be connected in the described base connecting portion of described stone (311).
5. dispensing pump as claimed in claim 1 is characterized in that, described fixed pump seat (200) and described basic pump push up (300) common moulding and are connected with at least one and flexibly connect thing (109); The described thing (109) that flexibly connects can be used as a leakproof feature, and wherein pump the time can not be operated and by secure lock in assembling, and the described thing that flexibly connects wherein need fracture when using first so that described dispensing pump can be operated.
6. dispensing pump as claimed in claim 1 is characterized in that, further be included in store and transportation in the mode of secure lock and anti-leak.
7. distributing valve as claimed in claim 1 is characterized in that, comprises that further one has the valve venting channels.
8. dispensing pump as claimed in claim 1 is characterized in that, the access road of described fixedly pump seat further comprises an admission valve.
9. dispensing pump as claimed in claim 1, it is characterized in that, described elastic layer (320) comprises that one has the bottom elastic membrane (322) in a pump chamber feeding hole (322a), and one cover whole feeding hole go into membrana oralis valve portion (322b), forming an admission valve (102) is positioned on the described feeding hole (201a), and the top airfoil (202) from described fixedly pump seat (200) when described feeding film valve portion negative pressure in pump chamber (103) wherein makes liquid stream pass described access road (201) to enter pump chamber (103) rises, and when in the described pump chamber (103) during the generation malleation described feeding film valve portion seal feeding hole, described top (201a).
10. as right 9 described dispensing pumps, it is characterized in that, described complete pump top (300) can be that feeding that can move and described hole (201a) and described feeding film valve portion (322b) define one and open and the closed position with respect to described fixed pump seat (200), wherein, 1) when described basic pump top (300) when being positioned at open position, described feeding film valve portion (322b) covers whole feeding hole, described top (201a), in forming an admission valve (102) and 2 on the feeding hole, described top (201a)) when described basic pump top (300) was in the closed position, described feeding film valve portion (322b) release feeding hole, top (201a) and admission valve (102) were disabled so that the malleation in the pump chamber (103) makes liquid flow out stream by described access road (201) backflow.
11. dispensing pump as claimed in claim 1, it is characterized in that, described distributing valve film (325) have a distribution openings or hole (326) and one can break away from lifting unit (325a) that described distribution spool (315) hoists wherein the malleation in the pump chamber (103) the described lifting unit (325a) of described distributing valve film (325) risen and open an exit passageway (106) make stream material from described pump chamber (103), flow out by described distribution openings or hole (326); Described lifting unit (325a) is in reverse to described distribution spool (315) withdrawal when pressure discharges or when pump chamber (103) applies different negative pressure, and exit passageway (106) is closed.
12. dispensing pump as claimed in claim 12, it is characterized in that, described complete pump top can be moved wherein said lifting unit (325a) from firm latched position and is under an embargo and break away from described distribution spool (315), seal up described exit passageway (106), during to operating position, described lifting unit (325-a) wherein can break away from described distribution spool (315) and hoist.
13. dispensing pump as claimed in claim 12, it is characterized in that, described pump seat (200) has a pump seat valve recess (215) and described common stone (310) and has a stone valve opening (315a) that is positioned at the below of described distribution spool (315), described dispensing pump has an operating position and a latched position, but 1) described stone valve opening (315a) aligns with described pump seat valve recess (215) and described distributing valve film (325) breaks away from described distribution spool (315) when having malleation in pump chamber and moves during operating position, and 2) the described lifting unit (325a) of described distributing valve film (325) is under an embargo and breaks away from described distribution spool (315) unidirectional distributing valve (105) cuts out when latched position.
14. a fluid-dispensing pump comprises:
One is equipped with the fixed pump seat (200) of an access road (201), feeding hole, a top (201a), a top airfoil plane or that be generally concave surface (202) and a top connecting portion (211);
One is equipped with and is used for comprising with the complete pump top (300) of the fluid-encapsulated device that is connected of pump seat: a common stone (310) and a posterior limiting (320);
Described common stone (310) has a base connecting portion (311) accordingly around the periphery of the top connecting portion (211) of described fixed pump seat (200), formed a fluid-encapsulated thing that is tightly connected for described pump seat (200) separately or together with described elastic layer, and one distributes the spool (315) to stretch out from described base connecting portion (311) alternatively;
Described elastic layer (320) comprising:
The pump wall (323) of one flexible automatic recovery defines the top of described pump chamber (103);
One distributing valve film (325) makes unidirectional controlled liquid substance flow out by a unidirectional distributing valve (105) that is formed by described distribution spool (315) and described distributing valve film (325) with described distribution spool (315) jointly;
Described elastic layer (320) is connected in described stone (310) and is the base of described pump chamber (103) so as to forming the wherein said top airfoil of a pump chamber (103) (202),
When assembling described pump seat and described pump top, the dispensing pump of a perfect in shape and function (100) is by an access road (101), an admission valve (102), and the pump chamber (103) of an elastic variable volume that recovers automatically, and a unidirectional distributing valve (105) is created.
15. dispensing pump as claimed in claim 14, it is characterized in that described complete pump top (300) is made by the elastomeric material with different-thickness and had that semi-rigid of big thickness formed described common stone (310) and a flexible part than minimal thickness has formed described elastic layer (320).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/157,417 | 2008-06-10 | ||
| US12/157,417 US20090302064A1 (en) | 2008-06-10 | 2008-06-10 | Elastomeric dispensing pump that can be made with as few as two components |
| PCT/US2009/000973 WO2009151486A1 (en) | 2008-06-10 | 2009-02-17 | Elastomeric dispensing pump that can be made with as few as two components |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102066006A true CN102066006A (en) | 2011-05-18 |
Family
ID=41399365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801225599A Pending CN102066006A (en) | 2008-06-10 | 2009-02-17 | Elastomeric dispensing pump that can be made with as few as two components |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20090302064A1 (en) |
| EP (1) | EP2352600A1 (en) |
| CN (1) | CN102066006A (en) |
| MX (1) | MX2010013532A (en) |
| WO (1) | WO2009151486A1 (en) |
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| CN101939625B (en) * | 2008-02-06 | 2012-04-18 | 液体成型系统公司 | Directional dispensing valve |
| WO2014059698A1 (en) * | 2012-10-16 | 2014-04-24 | 崔明 | Liquid pump device |
| CN109310833A (en) * | 2016-05-04 | 2019-02-05 | 艾尔弗雷德.冯舒克曼 | For exporting the device for passing through the substance that air can be sent |
| CN109466874A (en) * | 2018-12-05 | 2019-03-15 | 上海升村包装材料有限公司 | A kind of spray bottle cap |
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| EP2485959B1 (en) | 2009-10-09 | 2020-07-29 | Daniel Py | Device with co-molded closure, one-way valve and variable-volume storage chamber, and related method |
| MX2014008819A (en) | 2012-01-20 | 2015-06-05 | Py Inst Llc Dr | Device with co-molded closure, one-way valve, variable-volume storage chamber and anti-spritz feature and related method. |
| WO2014172643A1 (en) * | 2013-04-18 | 2014-10-23 | Pwe Llc | Metered fluid dispensing system |
| DE102013214231B3 (en) * | 2013-07-19 | 2014-11-06 | Aptar Radolfzell Gmbh | Discharge head and dispenser for a preferably pasty medium |
| US10264859B2 (en) | 2013-12-08 | 2019-04-23 | Ivonne Parker | Liquid dispenser device that can be worn as jewelry |
| US20150158042A1 (en) * | 2013-12-08 | 2015-06-11 | Ivonne Parker | Liquid Dispenser That Can Be Worn As Jewelry |
| KR101453048B1 (en) * | 2013-12-12 | 2014-10-23 | (주)연우 | A cosmetic case of cream type |
| DE102014204831B4 (en) | 2014-03-14 | 2020-06-18 | Aptar Radolfzell Gmbh | Discharge head for a dispenser, dispenser with discharge head, and method for producing a discharge head |
| WO2016118408A1 (en) * | 2015-01-22 | 2016-07-28 | Gojo Industries, Inc. | Vented pump |
| US9907210B2 (en) * | 2015-06-25 | 2018-02-27 | International Business Machines Corporation | Active perforation for advanced server cooling |
| US10136563B2 (en) | 2015-06-25 | 2018-11-20 | International Business Machines Corporation | Active perforation for advanced server cooling |
| GB201518910D0 (en) * | 2015-10-26 | 2015-12-09 | Rieke Packaging Systems Ltd | Dispensers |
| CN108394638B (en) * | 2017-02-07 | 2019-04-26 | 丁要武 | Pressing pump |
| FR3067952B1 (en) * | 2017-06-22 | 2020-10-09 | Albea Services | MOLDED PUMP FOR THE DISTRIBUTION OF A FLUIDIC PRODUCT |
| WO2019193568A1 (en) * | 2018-04-06 | 2019-10-10 | Id Packaging Inc. | Dispensing pump and manufacturing method thereof |
| US11850613B2 (en) * | 2019-07-23 | 2023-12-26 | Rieke Packaging Systems Limited | All-polymer pump dispenser with internal plug seal |
| IT202100020864A1 (en) | 2021-08-03 | 2023-02-03 | Taplast Srl | Monomer pump, dome driven |
| DE102022209369A1 (en) | 2022-09-08 | 2024-03-14 | Jörg Marschalkowski | Dosing attachment, spray container with a dosing attachment and dosing method |
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Also Published As
| Publication number | Publication date |
|---|---|
| US20090302064A1 (en) | 2009-12-10 |
| WO2009151486A1 (en) | 2009-12-17 |
| EP2352600A1 (en) | 2011-08-10 |
| MX2010013532A (en) | 2011-04-14 |
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Legal Events
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20110518 |