EP0032542A2 - Pulvérisateur à fonctionnement manuel - Google Patents

Pulvérisateur à fonctionnement manuel Download PDF

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Publication number
EP0032542A2
EP0032542A2 EP80107362A EP80107362A EP0032542A2 EP 0032542 A2 EP0032542 A2 EP 0032542A2 EP 80107362 A EP80107362 A EP 80107362A EP 80107362 A EP80107362 A EP 80107362A EP 0032542 A2 EP0032542 A2 EP 0032542A2
Authority
EP
European Patent Office
Prior art keywords
housing
pivot axis
lever
pump
cylinder
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.)
Withdrawn
Application number
EP80107362A
Other languages
German (de)
English (en)
Other versions
EP0032542A3 (fr
Inventor
Karlheinz Kläger
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.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Publication of EP0032542A2 publication Critical patent/EP0032542A2/fr
Publication of EP0032542A3 publication Critical patent/EP0032542A3/fr
Withdrawn legal-status Critical Current

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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
    • 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
    • B05B11/1009—Piston pumps actuated by a lever
    • B05B11/1011—Piston pumps actuated by a lever without substantial movement of the nozzle in the direction of the pressure stroke
    • 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
    • B05B11/1095—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 with movable suction side

Definitions

  • the invention relates to a hand-operated liquid atomizer with a pistol-like, one-piece housing, in the handle part of which a pump cylinder extending in the direction of the same, open towards the free end of the handle is arranged, and on the running part of which a threaded attachment for screwing on a nozzle cap is provided at the free end thereof is, which has an open to the free end of the barrel, connected via a connecting line to the cylinder for receiving a check valve, the housing, the cylinder, the neck and the connecting line are an integral plastic injection molded part, and with a pivotally mounted on the housing Pump lever made of plastic, which is pivotable about an axis running transversely to the axis of the cylinder.
  • a hand-operated liquid atomizer is also known (US Pat. No. 4,161,288), in which the housing consists of a base part and a cover.
  • the pump cylinder and the attachment as well as the connection are integral with the housing training line.
  • a journal is provided on the housing.
  • a pump lever which has a spiral recess, can be hung on this bearing journal with this spiral recess.
  • an extension projecting into the interior of the housing with a semicircular recess is provided on the cover part.
  • This extension comprises a cylindrical and concentrically arranged to the bearing neck on the pump lever.
  • the cover part forms an additional part to be manufactured and assembled. Apart from that, it is not technically possible to spray the known or the bearing journal in one piece with the housing in this known atomizer, so that these parts also have to be additionally manufactured and assembled.
  • the invention has for its object to provide a hand-operated liquid atomizer of the type mentioned, which consists of as cheap as possible, easy to assemble components and is therefore inexpensive to manufacture.
  • the pump lever and its pivot axis form a one-piece plastic injection-molded part and, on an extension of the grip part directed towards the front end of the barrel part, one for the barrel partially open (upward) bearing shell is provided, in which the pivot axis can be snapped and which includes the pivot axis in an angular range of about 240 ° to 270 °.
  • the pump lever and its pivot axis in the liquid atomizer according to the invention form a one-piece plastic injection-molded part which is relatively easy to produce.
  • the housing including the pump cylinder, connecting line, extension and bearing shell, forms a second one-piece plastic injection-molded part.
  • the pump lever is assembled in a simple manner by placing it with its pivot axis on the opening of the bearing shell directed upwards towards the running part of the housing and pressing it downwards.
  • the bearing shell is initially elastically widened and then closes again when the pivot axis has snapped into the bearing shell. The prerequisite for this is, of course, that the housing is injection molded from a plastic which has the corresponding elastic properties.
  • the pump lever is designed as an angle lever, one lever arm serving as a finger grip and the second lever arm with its fork-shaped end comprising the hollow piston rod of a piston which is displaceable in the cylinder and abutting thereon.
  • the second lever arm is formed by two legs extending perpendicular to the first lever arm, between which the pivot axis is arranged, and that these legs extend on both sides of the extension of the housing.
  • the free ends of the legs protrude through corresponding recesses in the actual pump cylinder subsequent also cylindrical housing part.
  • the bearing pan is advantageously part of an outer frame which on all sides comprises a central wall provided in the longitudinal center plane of the housing, this central wall and the frame also being formed in one piece with the other housing parts.
  • This configuration not only enables a relatively simple injection mold for the housing part but also gives the housing part optimum strength with a minimal consumption of plastic.
  • 1 denotes a pistol-like housing which has a handle part 2 which is perpendicular in the normal position and a barrel part 3 which is horizontal in the normal position.
  • a pump cylinder extending in the direction of the handle part 2 4 arranged, which is open to the free end 2a of the handle part 2.
  • a threaded attachment 5 is provided for screwing on a nozzle cap 6.
  • This threaded attachment 5 has a cavity 7 open towards the free end of the running part for receiving a check valve 8.
  • the cavity 7 is connected via a connecting line 9 to the upper end of the pump cylinder 4.
  • the handle part 2, the running part 3, the pump cylinder 4, the threaded extension 5 and the connecting line 9 are a one-piece plastic injection-molded part.
  • a middle wall 10 is expediently provided in the longitudinal center plane of the housing and is surrounded on all sides by a frame 11. This middle wall 10 and the frame 11 are also formed in one piece with the other housing parts.
  • the handle part 2 has an extension 12 projecting towards the front end of the running part 3, which carries a bearing shell 13.
  • This bearing shell 13 is upwards, i.e. open to running part 3.
  • the bearing shell 13 encloses an angular range of approximately 240 ° to 270 °, preferably 260 ° in the exemplary embodiment shown. Accordingly, the opening 14 provided in the upper region of the bearing shell 13 extends over an angle ol of approximately 90 ° to 120 °, preferably 100 °.
  • the pump lever 15 is designed as an angle lever, one lever arm 16 of which serves as a finger grip.
  • the second lever arm 17 is preferably formed, as can be seen in particular from FIG. 3, by two legs 17 ′, 17 ′′ extending perpendicular to the first lever arm 16.
  • a pivot axis 18 is arranged between these legs 17 ', 17 ". All parts of the pump lever 15, that is to say also the pivot axis 18, form an integral plastic injection-molded part.
  • the pump lever is pushed onto the housing from the front, so that its two legs 17 ', 17 "extend on both sides of the extension 12.
  • the pivot axis 18 is then snapped by moving the pump lever 15 downward from above through the opening 14 into the bearing shell 13, the bearing shell then encompassing the pivot axis 18 in the specified angular range. So that this snap is possible, the housing 1 must consist of a plastic material which has corresponding elastic properties.
  • the bearing pan 12 protrudes laterally beyond the central wall 10 and also forms part of the frame 11.
  • this frame 11 is measured narrower than the rest of the frame in the region of the bearing pan and the pump lever perpendicular to the central wall 10 11.
  • a piston 19 with a hollow piston rod 20 is displaceably guided against the force of a spring 21.
  • the legs 17 'and 17 "extend through two recesses 21 into the interior of the handle part 2.
  • the ends 17a of the two legs 17' and 17" embrace the hollow piston rod 20 and lie on the one hand on the piston 19 and on the other hand on a collar 22 Piston rod 20 on.
  • the hand-operated atomizer can be opened by means of a union nut 23 which is rotatably connected to the housing by means of a nut holder 24 which is latched into the housing 1 to be screwed on the neck of a bottle.
  • a suction hose 25 extends into the interior of the bottle.
  • a support surface 26 arranged at a distance from the opening 14 is expediently provided on the housing 1, opposite the opening 14 of the bearing socket 13.
  • the pump lever 15 has, adjacent to its pivot axis 18, at least one — in the exemplary embodiment shown there are two — supporting lugs 27 that interact with the supporting surface 26.
  • the free end 27a of this support lug lies at least in the starting position of the pump lever 15, which is shown in FIG. 1, in the region of the support surface 26.
  • the distance a of the support surface 26 from the open end 12a of the bearing socket 13 should be slightly larger than the diameter d of the pivot axis 18.
  • a support nose 27 is provided on each of the two legs 17 ', 1711 of the pump lever 15 .
  • Each of the two support lugs 27 tapers in a wedge shape toward the pivot axis 18. This wedge-shaped tapering of the support lug 27 considerably facilitates the assembly of the pump lever 15. During this assembly, the wedge surfaces of the lugs 27 come into contact with the frame 11, the two legs 17 ′ and 17 ′′ being pushed slightly outward until the free ends 27 a of the support lugs 27 engage below the support surface 26. Then the pump lever 15 secured against unintentional jumping out of its bearing axis 18.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Nozzles (AREA)
  • Reciprocating Pumps (AREA)
EP80107362A 1980-01-18 1980-11-26 Pulvérisateur à fonctionnement manuel Withdrawn EP0032542A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3001688A DE3001688C2 (de) 1980-01-18 1980-01-18 Handbetätigter Flüssigkeitszerstäuber
DE3001688 1980-01-18

Publications (2)

Publication Number Publication Date
EP0032542A2 true EP0032542A2 (fr) 1981-07-29
EP0032542A3 EP0032542A3 (fr) 1981-09-30

Family

ID=6092356

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80107362A Withdrawn EP0032542A3 (fr) 1980-01-18 1980-11-26 Pulvérisateur à fonctionnement manuel

Country Status (2)

Country Link
EP (1) EP0032542A3 (fr)
DE (1) DE3001688C2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2289506A (en) * 1994-05-20 1995-11-22 Self Serve Hygiene Ltd Dispenser for air fresheners and cleaners
EP0995498A3 (fr) * 1998-10-22 2002-10-09 Owens-Illinois Closure Inc., Distributeur à pompe et méthode de fabrication

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3840157A (en) * 1972-10-16 1974-10-08 J Hellenkamp Hand operated sprayer
US4138038A (en) * 1977-07-21 1979-02-06 Diamond International Corporation Dispensing pump housing and operating lever assembly
US4146155A (en) * 1977-11-14 1979-03-27 Security Plastics Inc. Continuous trigger activated pumping system
US4161288A (en) * 1976-10-05 1979-07-17 Creative Dispensing Systems, Inc. Fluid dispenser method and apparatus
GB1566680A (en) * 1978-05-11 1980-05-08 Asl Airflow Ltd Manually operable sprayer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3840157A (en) * 1972-10-16 1974-10-08 J Hellenkamp Hand operated sprayer
US4161288A (en) * 1976-10-05 1979-07-17 Creative Dispensing Systems, Inc. Fluid dispenser method and apparatus
US4138038A (en) * 1977-07-21 1979-02-06 Diamond International Corporation Dispensing pump housing and operating lever assembly
US4146155A (en) * 1977-11-14 1979-03-27 Security Plastics Inc. Continuous trigger activated pumping system
GB1566680A (en) * 1978-05-11 1980-05-08 Asl Airflow Ltd Manually operable sprayer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2289506A (en) * 1994-05-20 1995-11-22 Self Serve Hygiene Ltd Dispenser for air fresheners and cleaners
GB2289506B (en) * 1994-05-20 1998-04-22 Self Serve Hygiene Ltd The dispensing of liquids
EP0995498A3 (fr) * 1998-10-22 2002-10-09 Owens-Illinois Closure Inc., Distributeur à pompe et méthode de fabrication

Also Published As

Publication number Publication date
EP0032542A3 (fr) 1981-09-30
DE3001688C2 (de) 1981-12-17
DE3001688B1 (de) 1981-03-26

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