EP0992289B1 - Distributeur de fluides - Google Patents

Distributeur de fluides Download PDF

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Publication number
EP0992289B1
EP0992289B1 EP99118942A EP99118942A EP0992289B1 EP 0992289 B1 EP0992289 B1 EP 0992289B1 EP 99118942 A EP99118942 A EP 99118942A EP 99118942 A EP99118942 A EP 99118942A EP 0992289 B1 EP0992289 B1 EP 0992289B1
Authority
EP
European Patent Office
Prior art keywords
support
insert
dispenser
molded parts
set forth
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99118942A
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German (de)
English (en)
Other versions
EP0992289A2 (fr
EP0992289A3 (fr
Inventor
Karl-Heinz Fuchs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aptar Radolfzell GmbH
Original Assignee
Erich Pfeiffer GmbH
Ing Erich Pfeiffer GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Erich Pfeiffer GmbH, Ing Erich Pfeiffer GmbH filed Critical Erich Pfeiffer GmbH
Publication of EP0992289A2 publication Critical patent/EP0992289A2/fr
Publication of EP0992289A3 publication Critical patent/EP0992289A3/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • 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
    • B05B11/1087—Combination of liquid and air pumps
    • 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
    • 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
    • B05B11/00444—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 with provision for filtering or cleaning the air flow drawn into the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B05B1/3431—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
    • B05B1/3436—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a plane perpendicular to the outlet axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/10—Spray pistols; Apparatus for discharge producing a swirling discharge

Definitions

  • the invention relates to a dispenser according to the preamble of claim 1.
  • solid or fluid media can be applied to it, for example gaseous, liquid, pasty, creamy or powdery or free-flowing Media.
  • the dispenser can be carried and used with one hand to operate the media release. He can use the one-time media release without return stroke or for repeatable media deliveries with return stroke be trained.
  • Most or all components of the dispenser exist as Injection molded parts made of plastic.
  • molded parts such as a carrier and an insert recessed therein on the one hand a form axis and on the other hand a transverse one Channel axis. After solidification, the molded parts are parallel to the mold axis separated from the manufacturing form. The molded parts are parallel to the channel axis Medium flows through.
  • Such molded parts can be placed anywhere on the dispenser be provided, e.g. two housing parts of a pump, a valve, one Piston unit, a discharge head or the like. Or two valve bodies. she can also be sections of a line for the medium.
  • the dispenser be provided, e.g. two housing parts of a pump, a valve, one Piston unit, a discharge head or the like. Or two valve bodies. she can also be sections of a line for the medium.
  • nozzle plate in one piece a nozzle cap and then slide it into a slot that is formed adjacent to the initial position of the nozzle cap.
  • dispensers are atomizers for one medium and one
  • the nozzle plate contains one nozzle each.
  • the invention has for its object to provide a donor which disadvantages of known training are avoided.
  • the dispenser is easy to manufacture or assemble and make it possible to to bring together different media flows or media. Farther are meant to be continuous transitions between contiguous Outer surfaces of the molded parts can be achieved.
  • a further task lies in ensuring the finest atomization of the medium.
  • the insert like a nozzle cap, is transverse to the one that penetrates it Media channel used in the carrier, for example an actuating cap.
  • These two molded parts can be made in one piece or as separate parts his. They have separate first and second channel lines e.g. so that these lines gaps or joints between the two molded parts push through. Each of the lines can flow through one any of the above Media may be provided.
  • the first is expedient Line for a non-gaseous medium and the second line for a gas, such as Air, provided that these two media are fed crosswise to each other, mixed and then discharged outdoors downstream of it.
  • the molded parts have contact or clamping surfaces lying close together, which lie across the channel axis and surround it as a seal. At the Assembling the contact surfaces slide under increasingly larger Compressive tension against each other until a tight fit is achieved in the end position. Without additional securing devices, such as snap links, can be used alone achieved a self-locking tight fit by friction become.
  • the two contact surfaces can together have longitudinal boundaries the second line on the one hand and on the other across the first line.
  • the insert has large outer surfaces on the transverse edge surfaces connect.
  • One of these outer surfaces can be opposite the wearer must be completely contact-free. This is expediently the outer surface facing away from it as a rail-shaped Form-fitting profile designed and with a counter member to bring the wearer into engagement so that only one Degree of freedom is given, namely that in the direction of insertion of use. Against it in all other directions the guidance and connection without play.
  • One of both Molded parts can be two spaced side by side Have profile projections, each of which is in the described manner without play in a counter profile of the other Molded part engages. This will increase the strength and tightness elevated. This can also be achieved if before Insert both aligned and against each other transversely offset contact surfaces on the two molded parts are provided. When inserting the then lead the Surfaces that offset transversely so that the latter under high Compressive stress accumulate on each other.
  • a molded part can be both carrier and insert, namely e.g. lie between an insert and the carrier. In the preparation of or at the start of assembly, these are molded parts lined up parallel to the direction of insertion or connected in one piece, after which they are telescopic parallel to the shape axis of the largest molded part or main beam be pushed together.
  • the donor a baffle to increase the pressure of the medium, which the mission and the carrier absorb together.
  • the backflow passage such as a throttle cross section or Second line valve, between insert and carrier or between two missions.
  • Its limitation or its movable or resiliently deformable valve body can be made in one piece with one or all molded parts.
  • the second lies regardless of the training described Pressure chamber completely inside the carrier.
  • a piston movably mounted relative to the carrier limited which is pre-assembled with the carrier and then with the remaining donor unit is composed.
  • This can be a Discharge head with preassembled piston on a pump housing be placed axially that the piston by itself locking axially against this housing is set and then to perform the pump stroke opposite the head suitable is.
  • the pressure chamber of the pump thus formed immediately adjoins the gap between the contact surfaces the wearer and the commitment.
  • the axial securing of the Piston can directly on a holding member, such as a Krimpring, which is a pump housing of the first Connects pressure chamber with a memory firmly or tensioned.
  • A can also be used to further increase the pressure of the medium in the second line Forward stroke is provided, which initially compresses only the second medium, after which only the first medium is put under pressure and together with the Second medium is promoted in the lines mentioned.
  • All links or parts shown in the drawings are as plastic injection molded parts, e.g. Polyethylene.
  • the assembly 1 according to Figures 1 to 5 is off two structural or molded parts 2, 3 in one piece as discharge or Actuator head manufactured.
  • the carrier 2 is cap-shaped and the insert 3 is a nozzle cap with a U-shaped cross section, which is freely accessible on the outside of the carrier 2.
  • the insert 3 is completely protruding freely on the outside of the carrier 2, on the he only slightly through a stitch or connection 4 tiltable connects.
  • insert 3 With the beginning of the destruction of the Stitch 4, insert 3 is pushed into carrier 2, until its outer surface is flush and complete with the outer circumference and the outer end face of the carrier 2 as a continuous Continuation follows.
  • the carrier 2 forms a guide 5 with projections and Wells for the game-free recording of the insert 3.
  • the outer end of the guide 5 forms a cut or perforated sleeve 6 corresponding to a punching tool on which the Stitch 4 is sheared off when inserted. That forms End of the insert 3 into the bushing 6 Matching punch 7.
  • the guide 5 extends to Outside of an outermost jacket 8 of the carrier 2. With Radial distance within the jacket 8 is a hollow coaxially Shaft 9 provided.
  • the central or shape axis 10 of the parts 2, 3 is perpendicular to the channel axis 11, in the direction thereof the parts 2, 3 are flowed through by the medium during discharge.
  • the insert 3 is parallel to the axis 10 and shifted perpendicular to axis 11 in direction 12 until the Channel axis from position 11 'via path 15 to position 11 is transferred.
  • the parts 2, 3 are transverse to all Direction 12 lying directions 13, 14 to each other without play guided. Your sliding guide surfaces can still have a plasticity so that they merge with one another at the end of the displacement path or weld under transverse pressure. For example, in the Manufacturing first only part 3 and the Part 2 remain in the warm manufacturing mold, with the part 3 shifted to the working position and only then part 2 can be removed from the mold parallel to the axis 10.
  • the parts 2, 3 are completely separate Sides of a plane 16 perpendicular to the direction 12, in which is the connection 4.
  • the one at right angles to level 16 Axial plane 17 of axis 10 or 11 is a plane of symmetry of parts 2, 3 provided.
  • the leadership profile of a or both parts 2, 3 has surfaces which are in the direction 12 at a self-locking cone angle of less than 5 ° or 4 ° to each other, as with the Axes 11, 11 'perpendicular planes 18, 19 can be seen. This will make each of these leadership profiles in itself and it the two management profiles are increasing against each other Insertion path continuously tense, resulting in a leads unsolvable or only releasable with destruction press fit.
  • the carrier 2 has its guide profile completely inside on. It has outermost sides on both sides of level 17, graduated and opposite interior or Guide surfaces 21 and opposite and from each other turned oblique guide surfaces 22 leading to a Diverging connecting surface 23.
  • the area 23 is around Axis 10 curved and bounded by the flanks 22 a dovetail Profile 24. Limit the flanks 21, 22 dovetail-shaped on both sides of the profile 24 or similar profiles 25.
  • Each of the three profiles 24, 25 prevents any relative movements in the directions 13, 14 and is completely gap-free on the counter profile all over.
  • the inside of the U crossbar of the insert 3 forms the counter surface 27 for full-surface contact with the Surface 23.
  • the inner sides of the U-legs 26 lie on the Flanks 22 and the outer sides of these legs on the flanks 21 each over the entire area. These areas form when inserted of the insert 3, the sliding and guide surfaces and in the Operating position the contact and sealing surfaces.
  • the parts 2, 3 are via a micro-connection 30 connected in one piece.
  • the only two links 31 of this stitch 30 are spaced on both sides of the plane 17 as partial extensions of the legs 26 according to FIG. 4.
  • the Hatching of parts 2, 3 are despite one-piece training Chosen differently for the sake of clarity.
  • the outer surface 28 of the insert facing away from the surface 27 3 is like the outer circumference of the jacket 8 and with the same Radius curved around axis 10. It therefore forms one continuous continuation of this outer circumference.
  • the legs and the crossbar of insert 3 in relation to level 16 and in this lying front surface 34 of the carrier 2 slightly set back be, namely the surface 34 with a gap distance of no more than 3 or 2 tenths of a millimeter parallel to each other.
  • the insert 3 according to FIG Direction 13 relative to the carrier 2 by a few degrees be resiliently tilted.
  • the operational profile of the mission 3 goes through its entire length.
  • connection 30 facing end face of the insert 3 forms a U-shaped Pressure surface 40, against which is pressed with a tool to push the insert 3 into the carrier 2.
  • the attack 43 is through the end edge of the crossbar of the insert 3 and the counter stop 45 by an edge surface of the jacket 8 on End of the guide 5 formed.
  • 2 is the crossbar or stop 43 immediately adjacent to a slope 44 of the carrier 2, the surface 23 being slightly radially outward is offset from the surface 27. Therefore runs at Start of insertion and immediately when loosening the stitch 30 the edge flanked by the surfaces 27, 43 on the Bevel 44 so that when you move the crossbar of the insert 3 opposite its legs 26 and opposite the carrier 2 is clamped.
  • the one on level 18 Surface 23 then converges in the direction 12 with the plane 19 the area 27 below 2 °. With further insertion therefore takes the mutual pressing of the surfaces 23, 27 to until the end by inherent deformation the planes 18, 19 parallel or in one level.
  • the surface 40 is then in the Level 16 and a rounded ring edge between the jacket 8 and the end face 34 goes continuously over the Insert 3 through.
  • the surface 23 can be formed by a plate-shaped projection 46 be formed, which is slightly narrower than the profile 24th is to ensure a particularly high level of tightness between the surfaces 23, 27 to reach.
  • the end wall 48 forming the surface 34 has on the inside a projection 49 which the Guide 5 limited, the surface 23 forms and at a radial distance from the shaft 9. 4 is the approach 49 to the jacket 8 expanded at an obtuse angle.
  • the jacket 8 closes Approach 49 with a distance on both sides of the projection 24 Legs 47 in one piece.
  • the guide openings 25 go therefore from the end face 34 to the lower end face of the Approach 49 through.
  • the projection 24 only closes the wall 48 and between the guides on the crossbar of the trapezoid U-shaped projection 49 in one piece, while its lower The end is exposed and resilient when insert 3 is inserted is pivoted against the axis 10.
  • insert 3 is one cylindrical channel 54 of less than one and a half or a third of a millimeter in diameter that downstream to a recess 56 in the outer surface 28 followed.
  • An atomizer nozzle is thereby formed.
  • nozzle could also be used to dispense individual, through it Weight of drops dropping from the dispenser is formed his.
  • Upstream immediately connects to channel 54 Guide device 60, such as a swirl device. Through it the medium is rotated around the axis 11 offset and rotated into channel 54. For this are only in the surface 23 and in the projection 46 depressions 57 to 59 provided, the depth of which is smaller than the thickness between the concentric cylindrical surfaces 27, 28.
  • the channels include in the axis 11 an annular channel 57, radially spaced therein a circular depression 58 and several tangential channels connecting them 59.
  • the channel 53 opens between the axis 11 and the area 34 only directly into the channel 57, from there on the channels 59 in the recess 58, which in the axis 11th lies and therefore from the recess 58 directly in the same axis Channel 54.
  • the carrier or head 2 or the entire unit 1 is used Use with a single or two separate pumps 32, 33 and with a media storage 35, from which the Pressure chamber 37 of the pump 32 with each return stroke Medium is filled by suction. Form these units then a dispenser unit 20.
  • the pressure or pump chamber 38 the pump 33 for air is from the walls 8, 9, 48, 49 and a piston 41 annularly limited.
  • the pump 32 is with a holding member, such as a crim ring 39 against the memory 35 braced.
  • the link 39 secures in opposite directions Directions the axial and the radial position of the ring piston 41 with a bead-shaped or multi-layer snap member 42, which engages around the piston 41 on the outer circumference.
  • the latter has a ring-shaped bottom with a resilient expandable snap groove for the positive engagement of the Link 42 and two of this to plane 16 obtuse angles conically projecting annular lips 62, 63.
  • the essential shorter and axially recessed lip 62 slides on the inner circumference of the coat 8.
  • the lip at least three times longer 63 slides on the outer circumference of the shaft 9 and forms this a slide valve 64 for the intake of air at the end the return stroke.
  • there are corresponding depressions in the shaft 9 provided that instead the inner circumference of the Mantle 8 could have.
  • the air flows out of the chamber 38 immediately between faces 23, 27 and from there either into the device 60 or through these bypass channels directly into the nozzle channel 54.
  • the pump 32 has a housing that with the largest part its length protrudes into the memory 35 and either formed in one piece or from a longer housing part 65 and a lid 66 is assembled, which the further End of the housing 65 on the inner and outer circumference with sleeve approaches overlaps inside and outside.
  • a piston unit 67 is axially displaceable in the housing 65 . It prevails with a multi-part shaft 68, the cover 66 to over the Lip 63 out.
  • the shaft 68 is axially resilient compressible, sleeve-shaped piston 69 surrounded on the inner circumference of the housing 65 slides and the chamber 37 delimits.
  • the outer end of the shaft 68 forms a plug 70 for tight engagement in the interior of the shaft 9.
  • the pump 32 has three valves 71 to 73.
  • the exhaust valve 71 is provided entirely on the unit 67. one its valve body is through the piston 69 and the other formed by the shaft 68. If there is overpressure in chamber 37 or by abutting the lip of the piston 69 at the end of the Pumphubes opens the valve 71, after which it falls below during the return stroke the spring force of the piston 69 closes again.
  • the ventilation valve 72 has the piston 69 and the interior as the valve body Sleeve end of the cover 66. It closes at the end of the Return stroke and opens at the beginning of the pump stroke, so that air flow from outside between unit 67 and housing 65, then flow out through openings in the housing 65 and finally along the outside of the housing 65 into the memory 35 can be performed.
  • the inlet valve 73 opens at negative pressure in the chamber 37 against spring force and therefore leaves on the return stroke of the unit 67 from the storage medium 35 into the Flow into chamber 37. It is loaded with a spring 74 which also serves as a return spring for the unit 67 on the shaft 68 is supported within the piston 69.
  • the pressure relief valves 71, 73 work alternately.
  • the outer shell of the cover 66 forms a radial from Projecting, annular flange 75, which under Liner of a seal or a filter 76 against the End face of the neck of the accumulator 35 with the link 39 axially is tense. Due to the tight on the outer circumference of the housing 65 adjacent seal 76, the air from valve 72 is only through the semipermeable seal 76 is directed into the memory 35 and freed from germs or killed a germ.
  • FIGS. 6 and 7 two are in one piece with one another manufactured inserts 3a, 3b provided.
  • the nozzle body 3a lies behind the nozzle body 3b, which has the outlet 50a forms.
  • the insert 3a connects with the link 31a Surface 34a and the insert 3b with a corresponding link 31b to the surface 40a of the insert 3a, which thus acts as Carrier for part 3b is to be understood.
  • the legs of the Part 3b embrace the legs of part 3a on the outside as form-fitting as using insert 3 and Profiles 24 described.
  • the outside of the legs of the Part 3b engages in a corresponding manner directly into the carrier 2a. So the legs of the Part 3a between the profile 24 and the legs of the part 3b.
  • the part 3a can also be in accordance with the in Fig. 5 dash-dotted part 3c flat or around Axis 10 can be curved without legs and only plate-shaped form the wide head end of the profile 24.
  • the area 28a of part 3a forms surface 23b for surface 27b appropriate area for mutual dense plant.
  • Both Parts 3a, 3b are interspersed with coaxial nozzle channels 54a, 54b.
  • the areas 28a, 27b together delimit one directly conduit adjacent to chamber 38a, which by grooves 77, 78 in one or both surfaces 28a, 27b is formed and at the junction between the channels 54a, 54b opens into this at right angles.
  • the line 77, 78 is a device 80 for increasing the Back pressure assigned in chamber 38a, namely a plate or pressure relief valve 80.
  • the valve body are formed in one piece with one another and with parts 2a, 3a, 3b, although they are so flexible or deformable against each other are that they open depending on the media pressure and conclude.
  • the valve body 79 is transverse during manufacture from surface 28a and is with this via a film hinge connected.
  • the part 3b is pressed against its surface 40b completely shifted over part 3a in direction 12, so the connection 31b is released as described and then from the crosspiece of part 3b the valve body 79 to be Film joint pivoted plane parallel to the surface 28a.
  • the valve body 79 then lies between the surfaces 28a, 27b and closes line 77, 78.
  • valve 80 it may be appropriate if the recess 78 is only in the area of the valve body 79 and the recess 77 is only downstream thereof On the one hand there is free space for lifting the valve body depending on the pressure 79 towards surface 28b and on the other hand one to have dense contact on surface 28a. Only after the Part 3b has reached its end position compared to part 3a, is simultaneously against the surfaces 40a, 40b of both parts 3a, 3b pressed in direction 12 and so the unit 3a, 3b in the Guide 5a inserted.
  • the shaft 9a or 68a has one piece extension or extension 81 on here as a separate shaft 81 on the outer sides of the shaft 9a and the plug 70a with their ends stuck is put on.
  • the shaft 81 has an axially shortened and extendable section 82, for example a two-part Telescopic section or a resilient bellows section 82 on, in the axial section zigzag-shaped jacket one forms a one or two-start helix in the form of a spiral helix.
  • the bellows 82 surrounds only the shaft 9a, which in the subsequent dimensionally stable section of the shaft 81 sealed axially against the piston unit 67a is displaceable without it is taken away.
  • the strikes Head 2a with the end of the shaft 9a on an inner stop 83 of the dimensionally stable shaft section or on the plug 70a, so that the unit 67a and the chamber are then taken along 37 is narrowed.
  • the shaft 81 is shortened axially and the Chamber 38a downsized, causing the air contained therein is pre-compressed and already flows into the channel 54a, 54b or is still jammed by the closed valve 80.
  • the pressure in the chamber increases 37 until the valve 71 opens and the medium through the interior of the piston 69 and the plug 70 or 70a in the channel 51 or 51a flows.
  • valve 80 opens shortly before, simultaneously with or after opening the valve 71 also the valve 80. Without being shown in detail, can the path of the air from the chamber 38a in one to Channel 53a parallel line channel open into the wall 48a. This line then leads through the nozzle plate of part 3a immediately between surfaces 28a, 27b and in direction 12 across channel 54b.
  • the internal volume of the head 2a is through a body 84 downsized to one at the end of the working stroke to have a small residual volume of the chamber 38a.
  • the limiter 84 has a conical end wall 85 on which the complementary Conical piston 41a at the end of the pump stroke over the entire surface stops and which is at a distance from the wall 48a.
  • the narrower end of the wall 85 merges into a sleeve 86, the Sealingly engages the inside of wall 48a and which surrounds the section 82 and the shaft 9a.
  • Between the Sleeve 86 and section 82 can be the chamber 38a in the previously mentioned line channel open.
  • the body 84 is with the expanded edge of the wall 85 in a recess on Inner circumference of the jacket 8a tightly blown so that it with its outer circumference in the cap 2a has a volume constant Limited space.
  • the section 82 can thus be designed as a return spring be that simultaneously with the return stroke of the piston unit by the spring 74 also the head 2a opposite the piston unit returned to its starting position and thereby in the Chamber 38a air is sucked.
  • Link 39a exists expediently made of aluminum, so that the annular bead 42a through Flaring is achieved.
  • the piston 41a can according to Fig. 1 permanently at the outer end of the housing 65, 66 or 6 to be supported only on link 42a.
  • the liquid medium enters device 60 with a Pressure of e.g. 4 to 5 bar.
  • the pressure is e.g. at most one bar, with which the air in the channel 54b arrives, much lower.
  • the parts 2, 3 and 2a, 3a, 3b can each be made of different plastics with different mechanical properties or of different Color, e.g. through two- or multi-component spraying in the mold.
  • the length of the channel 54a is expediently chosen to be very short, for example at most 0.5 or 0.25 mm to break down into particles to further improve the airflow.
  • the proportions shown are particularly useful, especially if the Outside diameter of the head 2, 2a at most 30 or 20 mm is. All specified properties and effects can be within the scope of the claims exactly or only substantially or only as described be provided and depending on the requirements also stronger deviate from it.
  • the features of each embodiment can be provided in all other embodiments.

Claims (10)

  1. Distributeur pour substances avec une unité modulaire (1 ) composé au moins de deux pièces moulées, telles qu'une tête de décharge en tant que support (2) et un corps de buse en tant qu'insert (3), le support (2) déterminant un axe de taille (10) et l'insert un axe de conduit (11, 11'), l'insert (3) étant inséré dans le support (2) transversalement par rapport à l'axe de conduit (11, 11'), un premier et deuxième conduit (53, 53a ; 77, 78) d'une première et deuxième chambre sous pression (37, 38) individuelles débouchant dans les pièces moulées (2, 3), l'insert (3, 3b) présentant des surfaces extérieures transversales par rapport à l'axe de conduit (11 ), c'est-à-dire une surface antérieure (28, 28b) et une surface postérieure (27, 27b), caractérisé en ce qu'une des surfaces extérieures ne présente aucun contact mécanique par rapport au support (2, 2a), en ce que la surface antérieure (28, 28b) se trouve auprès de la face extérieure du support (2, 2a) de manière entièrement libre jusqu'aux arêtes extérieures et en ce que la face postérieure (27, 27b) présente un profil de glissement (26) pour l'insertion à engagement positif dans le support (2 ou encore 2a, 3a).
  2. Distributeur d'après la revendication 1, caractérisé en ce qu'au moins une extrémité de conduit située dans l'axe de conduit (11) et appartenant à au moins une pièce moulée (2, 3) est entourée par des surfaces de contact (23, 27) étanchement adjacentes des deux pièces moulées (2, 3), qui sont assemblées parallèlement à ces surfaces de contact (23, 27), en ce que notamment le premier conduit (53, 54) traverse transversalement les deux surfaces de contact (23, 27) et en ce que de préférence le deuxième conduit (77, 78) est délimité en direction longitudinale par les deux surfaces de contact (23, 27).
  3. Distributeur d'après la revendication 1 ou 2, caractérisé en ce que le premier conduit (53a) fait suite à une chambre hydraulique (58) et que transversalement par rapport à ceci le deuxième conduit (77, 78) fait suite à un conduit (54) parallèle à l'axe de conduit (11), tel qu'un conduit de buse, en ce que notamment au moins une des chambres sous pression (37, 38) se trouve à l'intérieur du support (2), et en ce que de préférence la première chambre sous pression (37) est une chambre de pompage d'une pompe à piston-poussoir (32) à appliquer axialement au support (2).
  4. Distributeur d'après une des revendications précédentes, caractérisé en ce que l'insert (3) est adjacent au support (2) sous précontrainte à peu près parallèlement à l'axe de conduit (11), en ce que notamment le support (2) et l'insert (3) présentent des surfaces de glissement et d'étanchement (21, 22, 23, 27) divergentes avant l'enfichage en direction contraire à la direction d'enfichage (12), et en ce que de préférence les surfaces de glissement et d'étanchement sont situées avant l'enfichage dans des plans (18, 19) transversalement décalés l'un par rapport à l'autre.
  5. Distributeur d'après une des revendications précédentes, caractérisé en ce que deux des pièces moulées sont soutenues auprès du support (2a) en tant que premier et deuxième insert (3a, 3b) en étant mutuellement en contact, en ce que notamment les inserts (3a, 3b) sont enfichés ensemble dans le support (2a) et en ce que de préférence le deuxième insert (3 ou encore 3b) s'engage autour du premier insert (3a ou encore 3c).
  6. Distributeur d'après une des revendications précédentes, caractérisé en ce que l'insert (3b) et le support (3a) logent collectivement un élément de (2a) transmission à retenue (80) pour augmenter la pression de la substance, tel qu'une soupape de surpression, en ce que notamment un corps de soupape (79) déplaçable de l'élément de transmission à retenue est réalisé d'une seule pièce avec au moins une des pièces moulées, et en ce que de préférence le corps de soupape (79) est joint au moyen d'une articulation à une des pièces moulées et que, pendant l'enfichage de l'insert (3b), il est pivoté par celui-ci autour de la charnière à pellicule.
  7. Distributeur d'après une des revendications précédentes, caractérisé en ce que la deuxième chambre sous pression (38) est délimitée par le support (2) et un piston (41) déplaçable et prémonté dans celui-ci, en ce que notamment le piston (41) annulaire est guidé au moyen d'une lèvre intérieure (63) auprès d'une tige (9) en une pièce avec le support (2) et que par une lèvre extérieure (62) il délimite étanchement la deuxième chambre sous pression (38), et en ce que de préférence une des lèvres d'étanchement forme un corps de soupape (63) d'une soupape à coulisse (64).
  8. Distributeur d'après la revendication 7, caractérisé en ce que le piston (41 ) est monté avec le support (2) sur un socle de pompage, tel qu'un couvercle de boítier (66), un boítier de pompage (65), une pompe à piston-poussoir (32), une unité prémontée composée du boítier de pompage (65) et du réservoir à substances (35), un anneau de sertissage crimp (39) ou similaires, qui assure cette unité, et que le piston (41 ) présente un élément de retenue pour l'assurage de sa position auprès du contre-élément (42) du socle de pompage, en ce que notamment le contre-élément (42) présente la forme d'un tore en plusieurs couches, et en ce que de préférence l'élément de retenue entoure axialement à engagement positif le contre-élément (42) en tant que élément à déclic.
  9. Distributeur d'après une des revendications précédentes, caractérisé en ce que la deuxième chambre sous pression (38a) est située à une certaine distance axiale de l'axe de conduit (11) et qu'elle présente une paroi terminale (85) limitrophe à l'axe de conduit (11 ), en ce que notamment la paroi terminale (85) est adaptée essentiellement de manière complémentaire au piston (41a), et en ce que de préférence la paroi terminale (85) est constituée par un corps de paroi (84) situé à l'intérieur du support.
  10. Distributeur d'après une des revendications précédentes, caractérisé en ce qu'un actionnement de décharge pour le distributeur comporte une première levée pour la réduction de volume de la deuxième chambre sous pression (38a) essentiellement indépendante de la première chambre sous pression (37) et ensuite une deuxième levée pour la réduction de volume commune des deux chambres sous pression (37, 38a), en ce que notamment pendant la première levée la tête de décharge (2a) est déplacée de manière étanche par rapport à une unité de piston (67a), qui délimite la première chambre sous pression (37), et en ce que de préférence la tête de décharge (2a) et l'unité de piston (67a) sont raccordées au moyen d'un soufflet (82) axialement déformable.
EP99118942A 1998-10-06 1999-09-25 Distributeur de fluides Expired - Lifetime EP0992289B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19845910 1998-10-06
DE19845910A DE19845910A1 (de) 1998-10-06 1998-10-06 Spender für Medien

Publications (3)

Publication Number Publication Date
EP0992289A2 EP0992289A2 (fr) 2000-04-12
EP0992289A3 EP0992289A3 (fr) 2001-03-28
EP0992289B1 true EP0992289B1 (fr) 2004-12-22

Family

ID=7883519

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99118942A Expired - Lifetime EP0992289B1 (fr) 1998-10-06 1999-09-25 Distributeur de fluides

Country Status (10)

Country Link
US (1) US6427876B1 (fr)
EP (1) EP0992289B1 (fr)
JP (1) JP2000107655A (fr)
KR (1) KR20000028846A (fr)
AR (1) AR020689A1 (fr)
AT (1) ATE285298T1 (fr)
BR (1) BR9904476A (fr)
CA (1) CA2284447A1 (fr)
DE (2) DE19845910A1 (fr)
ES (1) ES2235416T3 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2823183B1 (fr) * 2001-04-04 2003-08-15 Valois Sa Capsule metallique de sertissage pour un dispositif de distribution de produit fluide
ATE401105T1 (de) * 2002-09-03 2008-08-15 Pharmacure Health Care Ab Nasensprays
FR2851483B1 (fr) * 2003-02-20 2005-05-13 Valois Sas Tete de distribution
DE10315934B4 (de) * 2003-04-02 2005-08-04 Ing. Erich Pfeiffer Gmbh Austragkopf für eine Dosiervorrichtung
CA2567378C (fr) * 2006-11-08 2014-05-13 Gotohti.Com Inc. Mecanisme de reglage de mouvement de pompe a piston
JP6207061B2 (ja) * 2013-07-17 2017-10-04 ライオン株式会社 フォーマーディスペンサー
KR102150939B1 (ko) 2013-07-17 2020-09-02 가부시키가이샤 요시노 고교쇼 포머 디스펜서
ES2718704B2 (es) * 2018-02-27 2022-01-11 Nortek S A Boquilla separadora de alta eficiencia
CN112093261B (zh) * 2020-09-07 2022-07-29 耒阳市刘燕酿制生物科技有限公司 一种带有泵头结构的精华液包装瓶

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Publication number Priority date Publication date Assignee Title
US4402432A (en) * 1980-02-13 1983-09-06 Corsette Douglas Frank Leak-proof dispensing pump
US4503997A (en) * 1983-06-08 1985-03-12 Corsette Douglas Frank Dispensing pump adapted for pressure filling
FR2603558B1 (fr) * 1986-09-04 1988-11-18 Oreal Tete de distribution d'un produit pateux resultant du melange de deux composants stockes separement et ensemble de conditionnement dote d'une telle tete de distribution
US5348189A (en) * 1991-04-10 1994-09-20 Bespak Plc Air purge pump dispenser
DE4342680A1 (de) * 1993-12-15 1995-06-22 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung für Medien
FR2719789B1 (fr) * 1994-05-10 1996-07-05 Saint Laurent Parfums Yves Dispositif de distribution d'un produit en mélange avec un fluide, ensemble de distribution comprenant un tel dispositif.
DE19605153A1 (de) 1996-02-13 1997-08-14 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung für Medien und Verfahren zur Herstellung einer Austragvorrichtung o. dgl.
DE19606701A1 (de) * 1996-02-22 1997-08-28 Caideil M P Teoranta Tourmakea Austragvorrichtung für Medien
DE19606703A1 (de) * 1996-02-22 1997-08-28 Caideil M P Teoranta Tourmakea Austragvorrichtung für Medien
FR2748407B1 (fr) 1996-05-07 1998-08-28 Valois Dispositif de pulverisation du type biphasique pour un produit fluide ou pateux
DE19812078A1 (de) 1998-03-19 1999-09-23 Siemens Ag Verfahren zur Überwachung der Signalqualität in transparenten optischen Netzen
DE19813078A1 (de) * 1998-03-25 1999-09-30 Pfeiffer Erich Gmbh & Co Kg Spender für Medien sowie Verfahren zur Herstellung eines Spenders

Also Published As

Publication number Publication date
ATE285298T1 (de) 2005-01-15
EP0992289A2 (fr) 2000-04-12
AR020689A1 (es) 2002-05-22
EP0992289A3 (fr) 2001-03-28
BR9904476A (pt) 2000-08-08
ES2235416T3 (es) 2005-07-01
DE19845910A1 (de) 2000-04-13
KR20000028846A (ko) 2000-05-25
JP2000107655A (ja) 2000-04-18
CA2284447A1 (fr) 2000-04-06
US6427876B1 (en) 2002-08-06
DE59911313D1 (de) 2005-01-27

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