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EP0365770A1 - Boîte pour atomiseur - Google Patents

Boîte pour atomiseur Download PDF

Info

Publication number
EP0365770A1
EP0365770A1 EP89114600A EP89114600A EP0365770A1 EP 0365770 A1 EP0365770 A1 EP 0365770A1 EP 89114600 A EP89114600 A EP 89114600A EP 89114600 A EP89114600 A EP 89114600A EP 0365770 A1 EP0365770 A1 EP 0365770A1
Authority
EP
European Patent Office
Prior art keywords
spray
housing
receptacle
pump
valve
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.)
Granted
Application number
EP89114600A
Other languages
German (de)
English (en)
Other versions
EP0365770B1 (fr
Inventor
Erich Wunsch
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
Priority claimed from DE19883836290 external-priority patent/DE3836290A1/de
Application filed by Individual filed Critical Individual
Priority to AT89114600T priority Critical patent/ATE88662T1/de
Publication of EP0365770A1 publication Critical patent/EP0365770A1/fr
Application granted granted Critical
Publication of EP0365770B1 publication Critical patent/EP0365770B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/085—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump
    • B05B9/0855—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being motor-driven
    • B05B9/0861—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being motor-driven the motor being electric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/085—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump
    • B05B9/0866—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being a gear, centrifugal or screw-type pump

Definitions

  • the invention relates to a spray can with a spray mechanism for the fine atomization of liquids by means of a hydraulically acting pump.
  • Spray cans and spray bottles of the aforementioned type are generally known in the trade.
  • Mechanically actuated pumps spray a finely atomized liquid from a nozzle arranged on the housing.
  • the hydraulically acting pump is driven electromechanically by a geared motor, whereby the harmful propellant gases are avoided.
  • another disadvantage of the previously known spray cans and spray bottles is that after the spray liquid has been removed, the entire spray can, including the pump mechanism, the line system and the outlet nozzle, is thrown away, which also destroys reusable and functional components.
  • this object is achieved in that the spray mechanism is inserted in a housing which can be connected to the receiving container for the spray liquid by positive or non-positive connection and the spray mechanism has an electromotive driven gear pump, the suction line through a bottom opening of the housing into the a vent line provided receptacle, wherein the gear pump has a pressure pipe on the output side, which is connected to an outlet nozzle.
  • the gear pump can be firmly mounted on the bottom of the housing.
  • a clutch can be connected between the output shaft of the motor and the drive shaft of the gear pump.
  • the vent line of the receptacle can be closed on the outlet side by a ball which is under the action of a spring in such a way that a vacuum created in the receptacle when liquid is removed overcomes the spring force and moves the ball away from the outlet opening.
  • the gear pump can have two gear wheels of the same size and have an overflow valve in the form of a spring-assisted steel line on the output side.
  • the spray mechanism can have an electric motor-driven piston pump, the suction line of which is led through a bottom opening of the housing into the receiving container, the piston pump having a pressure pipe on the output side which is connected to an outlet nozzle .
  • the bottom opening can in principle be sealed and the pressure pipe can be provided with a helical spiral of at least 180 °.
  • a special design is also achieved in that the outlet nozzle is inserted into a spray head which is connected outside the housing and separately from it to a pressure pipe which is led out of the housing.
  • the outgoing line can be flexible.
  • the housing or the container can have a handle in which the flexible spray line is at least partially guided and furthermore a switch is installed which is electrically connected to an energy source and the pump. This eliminates the switch on the spray head.
  • a second socket on the container or on the housing can then be used to connect an electrical line to the switch in the handle.
  • the switch in the handle enables the electric pump to be started up easily, and the spray can can also be easily guided by hand.
  • Both the flexible spray line and the electric cable for switching on the electric motor of the pump are located in the handle.
  • gear pump has the advantage that different spray liquids with different viscosities and compositions are safely delivered.
  • the gear pump is driven in a simple manner by an electric motor with the interposition of a clutch.
  • an overflow valve is used on the output side, which also serves as a safety valve on the pressure side.
  • the spring that acts on the steel ball in the valve can be adjustable in a conventional manner.
  • other embodiments can also be used, for example wise with an internal toothing and planet gear.
  • the gears have any toothing, preferably involute toothing with a more precise flow rate.
  • the ball valve with an adjustable spring inserted into the vent line on the outlet side has the advantage that air is automatically supplied in accordance with the spray liquid removed from the receptacle.
  • the ball valve is actuated solely by the vacuum created in the receptacle when liquid is removed.
  • a particular advantage of the invention is also the combination of the upper housing with the entire spray mechanism and the screw-on receptacle for the spray liquid, for example.
  • both housings form one unit. After removing the spray liquid from the receptacle, the housing is removed with the spray mechanism and simply connected to a new receptacle with a receptacle liquid. The entire upper part remains together with the spray mechanism and is reusable.
  • the spray can 1 essentially consists of a housing 2 for accommodating the spray mechanism 3 and a receptacle 4 for the spray liquid 5 which is detachably connected to the housing 2.
  • the housing 2 for the spray mechanism is cylindrical and has a head part 6.
  • the spray mechanism 3 consists of a battery 7 to which an electric motor 8 is electrically connected.
  • the electric motor 8 is connected with its output shaft 9 to a clutch 10, in which a drive shaft 11 of a gear pump 12 engages.
  • a suction line 13 emerges below the gear pump 12, while in the upper part of the gear pump the pressure pipe 14 is connected, which opens into the outlet nozzle 15 in the head part 6 of the spray can.
  • An overflow valve 16 with a ball 17 and an adjustable coil spring 18 is inserted in the pressure pipe 14 on the outlet side of the gear pump 12.
  • the gear pump 12 consists of two equally large gears 19 and 20 which are in engagement with each other.
  • spray liquid is drawn in from the suction line 13 and conveyed through the free tooth gaps to the pressure pipe 14 in the direction of the arrow 22.
  • the gears 19 and 20 can be designed with an involute toothing for a precise flow. To För Eliminating fluctuations can also be compensated for by multi-wheel pumps, in which a medium gear with an odd number of teeth is used. Gear pumps with internal toothing and planet gear can also be used.
  • the gear pump 12 is enclosed by a housing 23 which can be mounted on the bottom 24 of the housing 2 by screws 25.
  • the receptacle 4 for the spray liquid 5 screwed onto the housing 2 by the central thread 31 has a vent line 26 which is equipped with a valve 27 on the outlet side of the housing 2.
  • This valve consists of a ball 28 which is pressed by a spring 29 against the outlet opening 30.
  • the spring 29 is designed so that when there is a vacuum in the receptacle when liquid is removed, it loses so much spring force that the ball 28 withdraws from the outlet opening 30 and allows air to flow into the receptacle 4.
  • the housing 2 is connected to the receptacle 4 for the spray liquid 5 at the bottom 24 of the housing 2, where a collar 32 is provided which has an internal thread 31.
  • the receptacle 4 is also formed on the head side with a collar 33 and has an external thread 34 which is firmly and sealingly engaged with the internal thread 31.
  • FIG. 4 again shows a spray can 1, which essentially corresponds to the spray can according to FIGS. 1 and 2 and has a housing 2 for receiving the spray mechanism 3 and a further container 4 for the spray liquid 5.
  • the base piece 35 of the housing 2 has a central collar 36 drawn inwards with an internal thread 31.
  • the collar 35 closes at the top with a base plate 37, which is attached in one piece or separately can be and shows a central opening 38 for the passage of the suction pipe 13.
  • the opening 38 receives an annular seal housing 39 with an inserted sealing tape or sealing ring 40.
  • a decentralized opening 41 of relatively small cross-section is provided in the base plate 37, through which the air pipe 26 projects as a ventilation line. A special seal between the ventilation line 26 and the opening 41 in the base plate is not required here.
  • the container 4 for the spray liquid 5 has a central ring web 42 with an external thread 34 on the head side.
  • the upper opening 43 is closed with a thin film 44.
  • a removable cover made of solid material or a solution according to FIG. 7 can also be provided.
  • connection of the housing 2 to the container 4 takes place in that the housing 2 is placed together with the spray mechanism 3 on the container 4 and screwed to the latter via the threads 31 and 34.
  • the upper film 44 of the opening 43 is pierced by the suction pipe 13 and the air pipe 26 when the housing 2 is put on.
  • connection types of housing 2 and container 4 of Figures 1, 2 and 4 can be exchanged and combined.
  • the spray mechanism 3 consists of a battery 7 to which an electric motor 8 is electrically connected.
  • the electric motor 8 drives an eccentric 46 via a reduction gear 45, which is operatively connected to the piston pump 48 via a slide 47.
  • a suction pipe 13 emerges below the piston pump 48, while in the upper part of the piston pump 48 the helically coiled pressure pipe 14 is connected, which leads into an outlet nozzle 15 opens out.
  • the electric motor 8 is switched by an electrical switch 49 with electrical switch contacts 50.
  • An air tube 26 is also connected to the electrical switch 49 and has an only very small passage cross section of approximately two to five millimeters. Below the electric switch 49, the air tube 26 can be closed by a spring-assisted valve 52 against the escape of liquid.
  • a battery 7 is inserted or exchanged through the opening 54 in the cylinder wall of the housing 2, which can be closed with a cover 53.
  • 55 denotes the helix of the pressure tube 14 or the flexible pressure line.
  • a spray liquid 5 can be sprayed from the nozzle 15 in the head part 6 of the housing 2 at the push of a button.
  • the receptacle 4 can be removed from the housing 2.
  • the receptacle 4 can then either be reused by refilling with a spray liquid 5 or be sent to a landfill.
  • it is possible to separate the receptacle 4 if the operator wants to use the same spray mechanism to remove another spray liquid from another receptacle. In this case, it makes sense that the upper opening 44 of the receptacle 4 has a sealable lid.
  • connection between the housing 2 and the receptacle 4 can also be made by a conventional type of bayonet, plug-in or clamp lock.
  • a plunger 51 opens the spring-assisted air valve 52, causing an inflow of air into the receptacle to compensate for the liquid withdrawn.
  • FIG. 5 shows the possibility of laying the outlet nozzle 15 outside the head part 6 of the housing 2 of the spray can 1.
  • an extension tube 56 is inserted in the head part 6, into which the pressure line 14 opens.
  • the outlet nozzle 15 is attached.
  • the extension tube 56 can also be a relatively long flexible or rigid line 57, for example one meter in length.
  • the purpose of this is that ceilings or removed parts in living rooms, halls or similar rooms can be sprayed easily and specifically.
  • the switching of the electric motor 8 for the function of the pump 12 or 48 is not carried out via the spray head 6 or the upper switch 49, but by a separate switch 58 in an additional operating or working handle 59 of the housing 2.
  • an electrical line 61 is guided in a very simplified drawing to the switch 58 in the control handle 59.
  • the electric motor 8 is connected to the switch 58 in such a way by the electric lines 62 that when the switch 58 is depressed, an electrical connection is established between the socket 60 and the electric motor 8.
  • an energy source prlug, mains
  • a current flows to the electric motor 8, which starts the electric motor 8 and at the same time the connected pump 12 (48).
  • the flexible or rigid pressure line 57 like the electrical lines 61, 62, is also laid in the control handle 59 up to the pump 12 (48).
  • the pressure line 57 can be inserted and pulled out into the housing 2 and the operating handle 59.
  • FIG the suction pipe 13 is connected.
  • This valve 63 is inserted into the cover of the receptacle 4 and consists of the actual valve body 64, the valve spring 65 of the spring socket 66 inserted inside, the spring plate 67 and the outer seals 68, 69 and the inner seal 70.
  • the valve 63 is pressed down against the force of the valve spring 65 and the valve is thereby opened. The spray liquid 5 can then emerge from the receptacle.
  • the spray jet 71 can be improved when it emerges from the spray can 1 in that the spray liquid 5 is placed under a slight pressure of about 0.5 to 0.8 bar.
  • a compressed gas for example nitrogen, is introduced into the receptacle 4 in addition to the spray liquid. This compressed gas also at least reduces the necessary suction power of the gear pump 12 or the piston pump 48, since the spray liquid 5 rises with the aid of pressure.
  • the valve housing 75 is in the housing 2 of the spray can 1 a sealing ring 89 to the lower spray mechanism 3 with the pump 12 (48).
  • the inlet opening 76 for the pressure line 14.
  • the valve body 72 is under the action of a valve spring 74.
  • the nozzle receptacle 79 is acted upon by a pressure piece 83, which is operatively connected to the head part 6 of the spray can 1, and has an upper stop 80 and a lower stop 81 lying axially one above the other. Between the lower stop 81 and the valve disc 73 are installed disk springs 82.
  • the pressure piece 83 acts decentrally on a switching pin 84 under the action of a spring 85 which is axially spaced from a pressure pin 86. This in turn can be moved to a limit switch 87 which is fastened in the valve housing 75 by a screw 88.
  • the head part 6 is usually depressed as a switch. Finally, valve body 72 is pressed against spring pressure via nozzle receptacle 79. The spray liquid 5 in the ring channel 77 of the valve 72 can escape into the upper pressure line 90 via the slot 78.
  • the limit switch 87 are operated, which requires a smaller stroke of its switching plunger 91 than the valve disk 73 to open the slot 78.
  • the stroke of the switching plunger 91 with respect to the switching point has a relatively large tolerance of approximately ⁇ 0.3 mm.
  • the limit switch 87 must therefore already switch before the valve 72 opens. This is now through the Spring 85 reached, which actuates the switch 87 via the switching pin 84 when depressing the pressure piece 83.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Nozzles (AREA)
EP89114600A 1988-10-25 1989-08-08 Boîte pour atomiseur Expired - Lifetime EP0365770B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89114600T ATE88662T1 (de) 1988-10-25 1989-08-08 Spraydose.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19883836290 DE3836290A1 (de) 1988-10-25 1988-10-25 Spraydose
DE3836290 1988-10-25
DE3916021A DE3916021A1 (de) 1988-10-25 1989-05-17 Spraydose
DE3916021 1989-05-17

Publications (2)

Publication Number Publication Date
EP0365770A1 true EP0365770A1 (fr) 1990-05-02
EP0365770B1 EP0365770B1 (fr) 1993-04-28

Family

ID=25873590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89114600A Expired - Lifetime EP0365770B1 (fr) 1988-10-25 1989-08-08 Boîte pour atomiseur

Country Status (6)

Country Link
US (1) US5014884A (fr)
EP (1) EP0365770B1 (fr)
JP (1) JPH02198656A (fr)
DE (2) DE3916021A1 (fr)
ES (1) ES2040946T3 (fr)
HK (1) HK116294A (fr)

Cited By (15)

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US5397034A (en) * 1992-09-23 1995-03-14 Wunsch; Eckart Finely atomizing device for fluids
WO2000032315A1 (fr) * 1998-11-30 2000-06-08 The Procter & Gamble Company Pompe a engrenages et reservoir remplacable pour vaporisateur
WO2001022861A2 (fr) * 1999-09-27 2001-04-05 The Procter & Gamble Company Outil de nettoyage
US6752330B2 (en) 2000-07-24 2004-06-22 The Procter & Gamble Company Liquid sprayers
US6981658B2 (en) 2000-07-24 2006-01-03 The Procter & Gamble Company Liquid sprayers
US7635097B2 (en) 2003-04-18 2009-12-22 S.C. Johnson & Son, Inc. Automated cleansing sprayer having separate cleanser and air vent paths from bottle
WO2014070676A3 (fr) * 2012-10-29 2014-07-10 Xela Innovations, Llc Appareil de nettoyage et de désodorisation d'accessoire et procédé d'utilisation
US8889082B2 (en) 2013-03-15 2014-11-18 San Jamar, Inc. Apparatus for metered dose of odor control substance
US9663932B2 (en) 2012-10-29 2017-05-30 Xela Innovations, Llc Fixture cleaning and deodorizing apparatus and method of use
EP2764244B1 (fr) * 2011-09-28 2018-03-28 Sensile Pat AG Système de distribution de fluide
DE102017004986A1 (de) 2017-05-24 2018-11-29 Chunhui Gu Elektrische Sprühflasche für Lebensmittel zum gleichmäßigen Besprühen der Flüssigkeit auf Speisen beim Braten oder Zubereiten des Gerichts
US11089915B2 (en) 2019-10-25 2021-08-17 Xela Innovations, Llc Dispenser for use with refill cartridge
USD936195S1 (en) 2019-10-25 2021-11-16 Xela Innovations, Llc Dispenser
US11369710B2 (en) 2019-05-16 2022-06-28 Dispensing Dynamics International, Inc. Fragrance dispensers and methods
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Also Published As

Publication number Publication date
DE58904200D1 (de) 1993-06-03
DE3916021A1 (de) 1990-11-22
HK116294A (en) 1994-11-04
US5014884A (en) 1991-05-14
EP0365770B1 (fr) 1993-04-28
ES2040946T3 (es) 1993-11-01
JPH02198656A (ja) 1990-08-07

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