Classifications

• • 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
  • B05B11/0059—Components or details allowing operation in any orientation, e.g. for discharge in inverted position
• • 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
  • B05B11/1001—Piston pumps
  • B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
  • B05B11/1026—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem the piston being deformable and its deformation allowing opening of the outlet
• • 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
  • B05B11/1094—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 having inlet or outlet valves not being actuated by pressure or having no inlet or outlet valve

Definitions

• the invention relates to a donor, in particular for flowable media. They can be gaseous, powder, be pasty and / or in particular liquid.
• the donor will to discharge the medium with one hand both worn as well as operated. Its valve arrangement reacts changes in the donor's position, for example due to gravity, with different valve positions.
• valve units can be used as an outlet valve, aeration valve, Mixing valve or the like of the delivery, pressure or pump chamber assigned to the donor. Also the volume variable Pressure chamber when it is enlarged or evacuated from a store through this valve with the Medium to be filled.
• the upstream valve body is closed only by gravity transfer while the downstream or closer to the Valve body lying in the pressure chamber due to excess pressure in the Pressure chamber is transferred to its closed position. Possibly. is also a reverse arrangement of the valves or Valve body conceivable.
• valve in an end position for example the closed position
• blocked or responded delayed when the valve body pulled into its valve seat by negative pressure or the like is that even a higher negative pressure on the other Side is not immediately sufficient to lift it out of its seat.
• first valve which as Pressure or check valve under the pressure in the Delivery chamber closes and when this chamber is evacuated whose filling should open immediately.
• second valve apply.
• the invention has for its object to a donor create the disadvantages of known training or of the type described are avoided and in particular even with miniaturized construction and extremely small Wall thicknesses of its components are always very safe Valve function guaranteed.
• first or second Valve seat or valve stop also springing transversely or radially be flexible and in the closed or stop position with radial tension on the associated valve body concern what its exact centering and secure sealing benefits.
• the thickness of the first or second Valve seat-forming wall can be under 1.5 or one or 0.8 millimeters and expediently between 0.5 and 0.6 millimeters lie. So they give in radial play under the system pressure of the valve body slightly.
• the seat can be over his the entire circumference closely to the shape of the area adjacent to it adjust the valve body.
• the wall thickness mentioned is suitably smaller than the thickness of the wall, which the Delivery chamber limited in scope.
• the valve wall lies advantageously sunk or with a radial distance within one Outer body.
• first or a guide is provided for the second valve body.
• she is over the entire path of movement of this valve body in substantial or completely free of radial play. So he can Valve body without cross movements very quickly by one Stop position are transferred to the other.
• the leadership can be distributed across the scope by at least three or five Projections, e.g. through longitudinal edge surfaces. These extend over the entire movement path of the valve body. This valve body slides on them as it moves always glides. Between the protrusions it can Medium through the associated valve chamber from its inlet to flow to the outlet.
• the flow resistance or the flow velocity is expedient smaller than along the first valve body.
• the first and the second valve body expediently have a greater specific weight than the medium.
• He can contain metal such as steel.
• the valve body can only consist of the metal in the core.
• To increase the elastic impact on the other valve body can also be its abutting surface or Outer circumference consist of the metal.
• the valve seats or the walls of which, like all other walls of the dispenser housing or the piston unit are made of plastic.
• the valve body can be a construction or assembly unit form that they permanently with each other directly over a Connection that is connected to at least one the valve body moves with respect to the valve seats.
• Valve body especially the upstream or further from second valve body located away from the delivery chamber Guides for the media flow protected against this. Thereby it becomes opposed to its weight by the media flow not lifted out of its associated seat and against the other seat.
• These guidelines can include a shield. It covers the valve body most of its footprint versus immediate Actuation of the media flow directed against him and only leads this media flow in an annular channel around the Valve body around. The media flow enters the valve chamber this valve body transversely, namely radially directly against the associated wall and between its Projections directed.
• the medium only expediently occurs from a single opening that extends around the valve axis takes an arc angle of less than 180 ° or 90 °. This opening is advantageous over its entire scope limited in one piece, for example by the guide surface of the mentioned guidelines.
• the shielding can also be made in one piece be formed with the wall of this valve chamber.
• the memory is converted into the Housing 4 is sucked in via two separate medium conduits.
• a valve unit 10 is for only one of these line paths intended. In an upright position, it forms a pressure-dependent working inlet valve and with the head turned by 180 ° a closing valve due to gravity this route. All components 2 to 10 mentioned in a common axis 11 and are essentially dimensionally stable. They are mainly operated in one Flow direction 12 flows. This is parallel to the Axis 11 and is directed from unit 10 to unit 8.
• the middle housing part 5 is on its outside of Storage 9 lying end via a snap connection permanently connected to the housing part 6. This lies completely outside the memory 9 and encompasses that associated end of the jacket 15 of part 5 on the outer and Inner circumference tight.
• the part 6 has a radially outwardly projecting flange 14 with an annular support surface. It is in the attachment level 13 against the end face of the storage neck a screw cap, a Crimean ring or the like excited and is like the level 13 perpendicular to the Axis 11.
• On the inner circumference of the jacket 15 is an elastic one Piston 16 sealed and sliding with a piston lip 17 guided. It forms the upstream end of the Piston 16. Its downstream end is through formed a narrow, sleeve-shaped shaft.
• This line connection exists with a volume variable Pressure chamber 20. It ranges from unit 10 to one Exhaust valve 22. It is only from part 5, the piston lip 17th and a core body 23 of the unit 3. Downstream includes the valve 3, the unit 3 completely in the Inner penetrating outlet channel 21. He's off the seat of the valve 22 to the downstream end of the bolt-shaped body 23 through its outer circumference and thereon then only limited by the inner circumference of the plunger 19. In the area of the body 23, the channel 21 is from Limited inner circumference of the piston 16. Its inner circumference also forms the movable valve body of the valve 22. Its conical valve seat is one by the outer circumference 23 body formed.
• annular housing space For the outside of the chamber 20 or downstream of the Lip 17 lying, annular housing space is another Valve 24 is provided. When opened, it connects this housing space with the passage in the lid 6 and therefore with the outside atmosphere.
• the valve 24 serves to ventilate the storage space of the memory 9 through the interior of the housing 4. It is tightly closed at rest. His valve body is by a conical outer circumference of the piston 16th educated.
• the valve seat is protruding into part 5 End of the lid 6 formed. With the start of the operation the unit 3 in the opposite direction 12 opens the valve 24 and then it closes only in the rest position.
• the jacket 15 is within the storage space or neck penetrated by a radial channel or an opening 25. It opens into chamber 20 at rest and is included The beginning of the work stroke narrowed and closed immediately.
• a valve 26, namely a slide valve is provided. Its valve body is formed by lip 17, which covers only part of the opening 25 in the rest position. On The valve body overflows in a first, very small partial stroke 17 the opening 25. This then only opens into the upstream of the chamber 20 adjacent housing space. With the valve 24 open, the ventilation or Pressure equalization in the storage space only via the Opening 25 take place both in the normal position and in the top position. In the top position, the opening 25 forms the second of the mentioned line routes for filling the chamber 20 and that Valve 26 the associated intake valve. The chamber 20 will then bypassing the unit 10 only at the end of the return stroke the unit 3 filled. When operating in normal position Filling of the chamber 20 exclusively via the unit 10 bypassing the opening 25 at the beginning of the return stroke and until the valve 26 opens.
• the end position of the working stroke or the beginning of the return stroke are determined by a stop 27. It lies within of the housing 4, is designed as an annular shoulder of part 5 and strikes lip 17. If the unit 3 after this striking further moves towards 12, so opens valve 22. During this movement, its valve body 23 with the plunger 19 opposite the lip 17 and the Valve body of the piston 16 while shortening the stem 18 emotional. The valve 22 can also be struck before this open a correspondingly high excess pressure in the chamber 20.
• the expanded closes in the area of the inner shoulder 27 Longitudinal section of the jacket 15 against the direction 12 to one slimmer approach 28 in one piece. This is longer than that Chamber 20 and lies completely within the housing part 7.
• This part 7 is like parts 5, 6, 28 about its entire length hollow or formed as a shell body. He is against the plugging direction of the cover 6, namely in the direction 12, firmly attached to part 5.
• Part 7 lies completely upstream of the shoulder 27.
• the approach 28 delimits an inner shoulder 27 narrower section 29 of the chamber 20, which is opposite the Tread for the lip 17 is slimmer.
• Within the Part 7 is in the approach 28 an abutment 30 for the upstream lying end of a spring 55 is provided. She lies completely within the chamber 20 and is used as a return spring provided for the unit 3 and for the valve body 23 is.
• the support 30 is by an inner circumference of approach 28 formed ring shoulder. It lies in the Unit area 10.
• the unit 10 has a directly adjoining the chamber 20 first valve 31 and, on the other hand, upstream or further away from the chamber 20 second valve 32 on.
• the valve 31 is the first to include Valve body a first valve seat 33 with a first Valve ball 35.
• the valve 32 comprises a second valve seat 34 with a second valve ball 36.
• In the closed position a mutual system is provided.
• the ball 35 or 36 in the open position is one Stop or seat 37 or 38 provided.
• Balls 35, 36 in the valve axis 11 In both stop positions as well as in all intermediate positions Balls 35, 36 in the valve axis 11.
• the opposite Valve seats 33, 34 widened conically at an acute angle limit one of recesses or grooves in the axis 11 free media passage 39.
• the far between the seats 33, 34th a narrowest longitudinal section.
• Both seats 33, 34 are formed in one piece with the jackets 15, 28. she are so close to each other that when one ball is in contact the other ball strikes its seat on this ball before they reach their seat 33 or 34 and thereby the passage 39 can close tightly.
• a shield 40 is provided for the ball 36. She leads the media flow supplied in the direction of 12 around the outside Ball 36 around and prevents this flow in normal position 1 lifts the ball 36 out of its resting seat 38 and transferred to their seat 34 or in the closed position.
• the one for mutual reinforcement close to the outer circumference of the Approach 28 adjacent jacket 41 of part 7 goes on his upstream end into an annular end wall 42 about.
• a tubular one is connected to it in and against direction 12 Recording 43 for a flexible riser pipe 44.
• the Suction tube 44 is in the receptacle 43 up to the shield 40 in Plugged in direction 12. It extends over the wall 42 in Direction 12 out. It also serves to suck in the medium from the bottom area of the store 9 which is distant from the neck, if dispenser 1 is used in normal position.
• the slimmer compared to the inner circumference of the shell 41 Sheath 43 forms one in the direction 12 over the wall 42 in the Sheath 41 protruding tubular projection 45. Der delimits an annular space with the jacket 41 and goes on the inside End in an end or transverse wall 46 of the shield 40.
• the wall 46 is on both end faces or as a whole Axial section at an obtuse angle and tapering to a point educated. Its outer face forms the conical recessed seat 38. Your interior, opposite to 12 as The end surface protruding from the cone forms a guide surface 49 for the media flow flowing to the unit 10.
• the wall 46 has a constant wall thickness throughout. she lies like their support section 45 without contact within the shell 41.
• the walls 41, 42, 43, 45 are in one piece with one another educated.
• Both ends of the channel 44 which is also in one piece with the mentioned walls could be formed are the same educated. They have uneven end faces, here in a radial view a single, obtuse-angled V-shaped recess on. Their flanks extend to the outer circumference and go in between concave rounded into each other.
• One end 47 strikes the surface 49. Its deepening is enough at most up to the inside of the wall 42.
• the other End 48 lies in the bottom area of the store 9.
• On the inside the wall 42 and the surface 49 closes one Transfer opening for the medium, namely an outlet 50. It penetrates the wall 45 radially and is through the surface 49 continuously expanded in the exit direction.
• the exit 50 surrounding opening edge can be continuous in one to the axis 10 parallel plane.
• the walls 45, 46 then have in axial view the shape of a ring or circle section with an arc angle of more than 200 ° or 250 °.
• the only outlet 50 is radial or slightly in Direction 12 inclined towards the inner circumference of the wall 41.
• the spherically curved surface of the ball 36 lies only with a much smaller compared to their diameter, in particular only about half the small circle and in the Axis 11 not on seat 38. So it can be at rest this seat 38 not as in a cup-like receptacle jam.
• the ring-shaped, bounded by the body 35 Flow cross sections are when the valves 31, 32 are open always much smaller than that of body 36 limited flow cross sections.
• a corresponding guide for the ball 35 is also from the downstream end of the seat 33 to provided for seat 37.
• the ledges have one smaller height. 2 shows, the passage 50 can be diametrical a rib 53 may be provided opposite. she stiffen the walls 45, 46 directly against each other, connects to surface 49 and also prevents eddies or three currents ⁇
• the upstream end portion 54 of the boss 28 is only from the abutment 30 against direction 12 on the outer and Narrow inside circumference. So it is from its free end and towards 12 across seats 30, 33, 37 opposite the inner circumference of the wall 41 and the guide 51 without contact. Contrary to direction 12, the jacket wall 54 to including the seat 33 thinner, then slightly thicker and again thinner in the area of the seat 34. So it can be resiliently resilient under the contact pressure of the ball 35 or 36 deform and lay close to the ball without going through Stop on the housing part 7 to be prevented. Of the average distance between the pioneering seats 33, 34 is less than half or a third of that Ball diameter. For its part, it is smaller than 5 mm and larger than 2 mm.
• the distance between the facing each other Sitting 37, 38 is at most four or three times as much as big as this ball diameter. So there are very short ones Control paths of the valves 31, 32.
• the control path of the ball 35 is but much smaller than that of the ball 36.
• the largest Center distance between the balls 35, 36 is less than three times or twice their diameter. Both bullets are equally trained and of the same size. You can without further exchanged against each other.
• the spring 55 forms the seat 37 with its end turn. It supports itself with their other, downstream end on the body 23 like always axially biased on surface 30.
• the flow 12 is directed upwards because the memory 9 is below the actuating head.
• the first Valves 26, 31 by the thrust movement or the excess pressure in the chamber 20 closed.
• the medium in the Chamber 20 compresses and after opening the valve 22 over the outlet channel 21 in the actuating head and through it Nozzle discharged outdoors.
• Air is sucked into the memory 9.
• the return stroke closes the valve 22 the chamber 20 evacuated, thereby opening the valve 31 and the medium successively through the tube 44, the opening 50, the valve chamber 56, the passage 39 and the seat 37 in the Chamber 20 sucked.
• the ball 36 always receiving Chamber has a larger width than the ball 35 always receiving chamber. This makes the different Passage cross sections reached. Throughout the pre and Return stroke, the ball 36 remains on the seat 38. At the end of Return stroke first opens valve 26. Immediately afterwards closes valve 24. Another pump cycle this type can now begin.
• the ball 36 moves under their weight until they engage the seat 34.
• the ball 35 detaches from the ball 36 and then sets a path of at least the same length to the facility on Seat 37 back. With the flow direction pointing downwards 12 unit 10 is therefore closed by valve 32. So no medium can be sucked into the chamber 56 via the pipe 44 will. Rather, the chamber 20 is evacuated dry.
• valve 26 Only when the valve 26 opens is the opening alone 25 with a significantly higher flow rate than above the valve unit 10 directly receives the medium from the storage space sucked through the jacket 15 into the chamber 20. Of the The next advance or discharge stroke can therefore begin.
• the seats 33, 34 to face each other to arrange. Only a valve ball should be provided in between. It can alternately only close one of the seats. A further, possibly spherical impact body could then upstream or. be provided downstream of the seats. He pushes the Valve ball from the adjacent seat. The respective The impact body could be movable in the chamber 29 or 56. When turning the dispenser 1 from the position shown in FIG. 2 in the 1 balls 35, 36 fall below their Weight back into the seat 33 or 38. By the Guides 51, the valves 31, 32 also work in each Oblique position of dispenser 1 or axis 11.
• the downstream end of the housing part 7 has one compared to the jacket 41 thickened ring flange, which only protrudes over the outer circumference and on the housing part 5 at one outer shoulder surface. This is through the same, annular and transitional or transverse to the axis 11 Wall section formed as the surface 27. This section of wall connects the coats 15, 28 to each other and forms on its outside across the perimeter with mutual Spaced spaced projections or ribs 57. Between them there are grooves. This is a very safe installation of the end face of the jacket 41 guaranteed on the edge surfaces of the ribs 57. You can also use a tool between the ribs 57 intervened and thereby the housing part 7 axially from Housing part 5 are pushed against the direction 12.
• the end section of the housing formed here by the cover 4 can also be formed in one piece with the housing part 5, which then forms the flange 14. All specified properties and effects can be precise or only essential or be provided as described and depending on requirements to the donor also differ greatly.

Landscapes

• Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
• Closures For Containers (AREA)
• Check Valves (AREA)
• Multiple-Way Valves (AREA)
• Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
• Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
• Road Repair (AREA)
• Materials For Medical Uses (AREA)
• Lift Valve (AREA)
• Reciprocating Pumps (AREA)

Applications Claiming Priority (2)

Publications (3)

Family

ID=7833831

Family Applications (1)

Country Status (10)

Cited By (1)

Families Citing this family (13)

Family Cites Families (18)

• 1997
  • 1997-06-27 DE DE19727356A patent/DE19727356B4/de not_active Expired - Fee Related
• 1998
  • 1998-06-12 AT AT98110793T patent/ATE258081T1/de not_active IP Right Cessation
  • 1998-06-12 DK DK98110793T patent/DK0887112T3/da active
  • 1998-06-12 DE DE59810617T patent/DE59810617D1/de not_active Expired - Lifetime
  • 1998-06-12 EP EP98110793A patent/EP0887112B1/fr not_active Expired - Lifetime
  • 1998-06-12 ES ES98110793T patent/ES2214660T3/es not_active Expired - Lifetime
  • 1998-06-17 US US09/098,552 patent/US6227415B1/en not_active Expired - Fee Related
  • 1998-06-24 JP JP10192337A patent/JPH1179224A/ja active Pending
  • 1998-06-25 BR BR9802222-9A patent/BR9802222A/pt not_active IP Right Cessation
  • 1998-06-26 KR KR1019980024395A patent/KR19990007393A/ko not_active Ceased
  • 1998-06-26 CN CN98115606A patent/CN1111495C/zh not_active Expired - Fee Related

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