EP2133061B1 - Ventilation device for a drink bottle - Google Patents

Ventilation device for a drink bottle Download PDF

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Publication number
EP2133061B1
EP2133061B1 EP09006863.6A EP09006863A EP2133061B1 EP 2133061 B1 EP2133061 B1 EP 2133061B1 EP 09006863 A EP09006863 A EP 09006863A EP 2133061 B1 EP2133061 B1 EP 2133061B1
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EP
European Patent Office
Prior art keywords
container
ventilation device
face
section
ventilation
Prior art date
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EP09006863.6A
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German (de)
French (fr)
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EP2133061A3 (en
EP2133061A2 (en
Inventor
Armin Struckmeier
Hans Struckmeier
Hans Dipl.-Ing. Scholl
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Novatex GmbH Gummi und Plastikwaren
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Novatex GmbH Gummi und Plastikwaren
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J9/00—Feeding-bottles in general
    • A61J9/04—Feeding-bottles in general with means for supplying air
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J11/00—Teats
    • A61J11/02—Teats with means for supplying air

Definitions

  • the invention relates to a ventilation device for a drinking bottle according to the preamble of claim 1, see for example US 2004/089 626 A1 ,
  • a disadvantage of the known device is that the air-guiding pressure equalization path is formed as an angled tube with a constant narrow cross section, which tends very easily to the closure when the drinking liquids tend in the bottle for bonding. In such a case, the intended ventilation function of the bottle is impaired or disabled.
  • valve slot of the valve body tends to stick and thus adversely affect the ventilation function of the bottle. This also applies to many other protective applications which are not mentioned, in which the operating principle of the valve slot is used as membrane function.
  • the non-simple hygienic cleaning is considered in the above-mentioned device, and the risk that assumes that the relatively small valve hollow body, as an additional part, can be swallowed in small form by infants.
  • US 2006/0213859 A1 is also a device for pressure equalization of a bottle during sucking known.
  • a disadvantage of this device mentioned above is also the difficult hygienic cleaning of many items and the high production cost of the device.
  • the invention has the object of developing the generic device such that the mentioned disadvantages are resolved and a slight suction from the bottle while avoiding leaks during suction are possible. In addition, a simple and safe hygienic cleaning of their items should be achieved.
  • a device for pressure equalization in a bottle is specified, which allows a smooth suction while avoiding leaks.
  • the device is further characterized by a very small number of simply designed components, resulting in further cost savings and a simple and reliable operation.
  • the device according to the invention allows hygienic maintenance and protects infants from improper use of the items. Due to the special design of the parts, a cost-saving design and a simple and safe operation of the device is achieved.
  • the embodiment according to claim 6 and 8 allows hygienic maintenance and protects infants from injury and improper use of the items.
  • a drinking bottle 1 according to Fig. 1 consisting of a container 2 with external thread 28 for receiving a drinking liquid 3, is screwed together with a sucker 4 and a ventilation device 5 via a threaded ring 8 with internal thread 29 to form a functional unit.
  • an air-permeable free gap 30 which is required as a thread flank clearance to the screw ring 8 easily, without jamming, with the container 2 to screw.
  • the ventilation device 5 see Fig. 1 , is made of two parts, a ventilation disc 6, Fig. 2 and Fig. 3 and a ventilation pipe 7 assembled into one unit. For cleaning purposes, this unit is easily dismantled into its components.
  • the ventilation disc 6 lies with a first end face on the edge of the opening of the container 2 sealingly. Its first end face opposite the second end face 12 is sealingly engaged with a terminal surface 18 formed by a flange (20) of the nipple 4.
  • a ventilation tube 7 is inserted under slight tension, so that it is frictionally defined therein.
  • venting of the container 2 extends via the ventilation tube 7, the connecting bore 14, the ventilation channel 13 and the free gap 30 at the threaded connection 9 to the outside 27th
  • the ventilation disc 6 see Fig. 1 . Fig. 2 and Fig. 3 , an opening 15, which allows an unhindered passage of the drinking liquid 3 from the container 2 into the inner vacuum chamber 16.
  • FIG. 1 and Fig. 2 is formed as a triangular surface 19.
  • this pointed configuration of the triangular surface 19 is achieved that when screwing the container 2 with the screw ring 8 of the closed sealing web 17 of the ventilation disc 6 penetrates without great effort in the Saugerflansch 20 and with a high degree of leakage of the drinking liquid 3 from the container 2 on the Ventilation duct 13 and the gap 30 of the threaded connection 9 prevented to the outside. This ensures suction without leaks.
  • the upper end surface 21 of the ventilation pipe 7, see Fig. 1 Runs to the tube surface at an oblique angle, whereby an easier installation of the ventilation tube 7 in the bore 10a of the ventilation disc 6 and a secure equalizing air supply of the container 2 is achieved. So that no confusion occurs during assembly, the lower end surface 22 of the ventilation tube 7 is also designed with an oblique surface course.
  • the working method is as follows:
  • Fig. 1 shows the bottle 1 at rest. In this position, the liquid level in the container 2 and the ventilation pipe 7 is the same height. As soon as the drinking bottle is brought from the rest position into an oblique drinking position with the teat 4 directed downwards, liquid from the suction hole 23 drips outward drop by drop 27. An additional suction further supports this liquid outlet. In this position, the free space 11 moves above the drinking liquid 3 in the space region 26 to the container bottom 25, in which after leaving the first liquid drops from the suction hole 23, a negative pressure is created.
  • connection hole 14a If the air cushion degraded so far that the liquid 24 reaches the connection hole 14a, 14 in the ventilation tube 7 in the drinking position with a closed suction hole 23, so can not through the tight connection bore 14 on the congestion effect of the viscous liquid 24 in the conical portion 14a Ventilation duct 13 and the free gap 30 to the outside 27 occur.
  • Another variant of use with negative pressure compensation is a drinking bottle 1, in which only the ventilation disc 6, without the vent tube 7, is used.
  • the air balancing bubbles pass through the drinking liquid 3.
  • FIG. 6 A further embodiment without ventilation pipe 7 is in Fig. 6 shown, which is characterized by a cost-effective production and easy handling.
  • FIG. 7 illustrated second embodiment of the first portion of the pressure equalization path forming ventilation duct 13 is the same as in the in the FIGS. 1 to 6 illustrated embodiments in the ventilation disc 6a formed such that it has the shape of a second end face 35 toward open channel, which is closed by the second end face 35 tightly adjacent end face of the Saugerflansches 20a.
  • a projecting annular bead 33 is formed, whose cross-section increases toward the free edge of the annular bead 33 out.
  • This annular bead 33 is latched due to the elastic deformability of the nipple 4a in a complementary to the annular bead 33 annular groove 34 of the ventilation disc 6a.
  • the sucker 4b and the ventilation disc are formed as an integral part of the Saugerflansches 20b.
  • the actual vacuum cleaner 4a can be molded directly onto the ventilation disc.
  • the latter can for example consist of a hard plastic, whereas the sucker 4a made of a softer material, such as silicone.
  • the ventilation disc and the nipple could be glued together. In all these cases they then form the in Fig. 8 represented unified Saugerflansch 20b, in the interior of which the first portion 13a and the adjoining second portion 14, 14a of the pressure equalization path are formed.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Closures For Containers (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Table Devices Or Equipment (AREA)
  • Vacuum Packaging (AREA)
  • Devices For Dispensing Beverages (AREA)

Description

Die Erfindung betrifft eine Belüftungsvorrichtung für eine Trinkflasche nach dem Oberbegriff des Anspruchs 1, siehe zum Beispiel US 2004/089 626 A1 .The invention relates to a ventilation device for a drinking bottle according to the preamble of claim 1, see for example US 2004/089 626 A1 ,

Aus der DE 196 01 198 C1 ist eine derartige Vorrichtung bekannt, bei der ein während des Saugens in der Trinkflasche entstehender Unterdruck ausgeglichen wird.From the DE 196 01 198 C1 Such a device is known in which a resulting during suction in the bottle vacuum is compensated.

Nachteilig an der bekannten Vorrichtung ist, dass der luftführende Druckausgleichsweg als abgewinkeltes Röhrchen mit einem konstanten engen Querschnitt ausgebildet ist, das sehr leicht zum Verschluss neigt, wenn die Trinkflüssigkeiten in der Trinkflasche zum Verkleben neigen. In einem solchen Fall ist die vorgesehene Belüftungsfunktion der Trinkflasche beeinträchtigt oder außer Kraft gesetzt.A disadvantage of the known device is that the air-guiding pressure equalization path is formed as an angled tube with a constant narrow cross section, which tends very easily to the closure when the drinking liquids tend in the bottle for bonding. In such a case, the intended ventilation function of the bottle is impaired or disabled.

Als weiterer Nachteil dieser Ausführung wird die schwierige Reinigung und hygienische Wartung des abgewinkelten Röhrchens in der Lüftungsscheibe und deren kostenaufwendige Fertigung angesehen.Another disadvantage of this design, the difficult cleaning and hygienic maintenance of the angled tube in the ventilation disc and their costly production is considered.

Aus DE 198 49 271 A1 ist ebenfalls eine ähnliche Vorrichtung bekannt, die am unteren Rohrende mit einem Ventilhohlkörper, der einen Ventilschlitz aufweist, ausgeführt ist.Out DE 198 49 271 A1 is also a similar device is known, which is carried out at the lower end of the tube with a valve hollow body having a valve slot.

Nachteilig bei dieser Vorrichtung ist, dass der Ventilschlitz des Ventilhohlkörpers zum Verkleben neigt und so die Belüftungsfunktion der Trinkflasche beeinträchtigt. Dies trifft auch für viele andere nicht genannte Schutzanmeldungen zu, bei denen das Wirkprinzip des Ventilschlitzes als Membranfunktion zur Anwendung kommt.A disadvantage of this device is that the valve slot of the valve body tends to stick and thus adversely affect the ventilation function of the bottle. This also applies to many other protective applications which are not mentioned, in which the operating principle of the valve slot is used as membrane function.

Als weiterer Nachteil wird bei der oben genannten Vorrichtung die nicht einfache hygienische Reinigung angesehen, und die Gefahr, die davon ausgeht, dass der relativ kleine Ventilhohlkörper, als zusätzliches Teil, in loser Form von Kleinkindern verschluckt werden kann.As a further disadvantage, the non-simple hygienic cleaning is considered in the above-mentioned device, and the risk that assumes that the relatively small valve hollow body, as an additional part, can be swallowed in small form by infants.

Aus US 2006/0213859 A1 ist ebenfalls eine Vorrichtung zum Druckausgleich einer Trinkflasche beim Saugen bekannt.Out US 2006/0213859 A1 is also a device for pressure equalization of a bottle during sucking known.

Nachteilig bei dieser oben genannten Vorrichtung ist ebenfalls die schwierige hygienische Reinigung der vielen Einzelteile und der hohe Herstellungsaufwand der Vorrichtung.A disadvantage of this device mentioned above is also the difficult hygienic cleaning of many items and the high production cost of the device.

Als weiterer Nachteil wird die wegen der vielen Einzelteile nicht einfache Handhabung bei der Inbetriebnahme der Vorrichtung angesehen.Another disadvantage is considered not easy because of the many items handling the commissioning of the device.

Der Erfindung liegt die Aufgabe zugrunde, die gattungsmäßige Vorrichtung derart weiterzubilden, dass die erwähnten Nachteile behoben und ein leichtes Saugen aus der Trinkflasche bei Vermeidung von Leckagen während des Saugens möglich sind. Außerdem soll eine einfache und sichere hygienische Reinigung ihrer Einzelteile erreicht werden.The invention has the object of developing the generic device such that the mentioned disadvantages are resolved and a slight suction from the bottle while avoiding leaks during suction are possible. In addition, a simple and safe hygienic cleaning of their items should be achieved.

Erfindungsgemäß wird diese Aufgabe durch die kennzeichnenden Merkmale des Patentanspruchs 1 gelöst.According to the invention, this object is achieved by the characterizing features of patent claim 1.

Mit der Erfindung wird eine Vorrichtung zum Druckausgleich in einer Trinkflasche angegeben, die ein leichtgängiges Saugen unter Vermeidung von Leckagen ermöglicht. Die Vorrichtung zeichnet sich weiter durch eine sehr geringe Anzahl von einfach gestalteten Bauteilen aus, woraus sich weitere Kosteneinsparungen und eine einfache und zuverlässige Betriebsweise ergeben. Weiter ermöglicht die erfindungsgemäße Vorrichtung eine hygienisch einwandfreie Wartung und schützt Kleinkinder vor unsachgemäßem Gebrauch der Einzelteile. Durch die besondere Ausgestaltung der Teile wird ein kostensparender Aufbau und eine einfache und sichere Bedienung der Vorrichtung erreicht.With the invention, a device for pressure equalization in a bottle is specified, which allows a smooth suction while avoiding leaks. The device is further characterized by a very small number of simply designed components, resulting in further cost savings and a simple and reliable operation. Furthermore, the device according to the invention allows hygienic maintenance and protects infants from improper use of the items. Due to the special design of the parts, a cost-saving design and a simple and safe operation of the device is achieved.

Die Ausgestaltungen der Vorrichtung mit den Merkmalen der abhängigen Ansprüche 2 bis 14 führen zu einer vorteilhaften Funktion, Gestalt und Anordnung der Bauteile, wodurch das leichtgängige Saugen durch Luftausgleich in der Trinkflasche besonders begünstigt wird.The embodiments of the device with the features of the dependent claims 2 to 14 lead to an advantageous function, shape and arrangement of the components, whereby the smooth suction through air compensation in the bottle is particularly favored.

Insbesondere die Ausgestaltung gemäß Anspruch 6 und 8 ermöglicht eine hygienisch einwandfreie Wartung und schützt Kleinkinder vor Verletzungen und unsachgemäßem Gebrauch der Einzelteile.In particular, the embodiment according to claim 6 and 8 allows hygienic maintenance and protects infants from injury and improper use of the items.

Weitere Merkmale, Vorteile und Einzelheiten der Erfindung ergeben sich aus der folgenden Beschreibung eines Ausführungsbeispiels anhand der Zeichnung.Further features, advantages and details of the invention will become apparent from the following description of an embodiment with reference to the drawing.

Es zeigt:

Fig. 1
eine Trinkflasche mit Belüftungsvorrichtung in einer Schnittdarstellung im vergrößerten Maßstab,
Fig. 2
eine Schnittansicht einer Lüftungsscheibe der Belüftungsvorrichtung von Fig. 1 im vergrößerten Maßstab,
Fig. 3
eine Draufsicht der Lüftungsscheibe gemäß der in Fig. 2 dargestellten Richtung A im vergrößerten Maßstab,
Fig. 4
eine perspektivische Darstellung der Lüftungsscheibe im vergrößerten Maßstab,
Fig. 5
Ausschnittdarstellung einer Gewindeverbindung zwischen der Trinkflasche und einem Schraubring in Fig. 1 im vergrößerten Maßstab.
Fig. 6
Schnittansicht der Lüftungsscheibe ohne Lüftungsrohr im vergrößerten Maßstab,
Fig. 7
eine Schnittansicht einer zweiten Ausführungsform,
Fig. 8
eine Schnittansicht einer dritten Ausführungsform.
It shows:
Fig. 1
a drinking bottle with aeration device in a sectional view on an enlarged scale,
Fig. 2
a sectional view of a ventilation disc of the ventilation device of Fig. 1 on an enlarged scale,
Fig. 3
a plan view of the ventilation disc according to the in Fig. 2 illustrated direction A on an enlarged scale,
Fig. 4
a perspective view of the ventilation disc on an enlarged scale,
Fig. 5
Detail view of a threaded connection between the drinking bottle and a screw ring in Fig. 1 on an enlarged scale.
Fig. 6
Section view of the ventilation disc without ventilation tube on an enlarged scale,
Fig. 7
a sectional view of a second embodiment,
Fig. 8
a sectional view of a third embodiment.

Eine Trinkflasche 1 gemäß Fig. 1, bestehend aus einem Behälter 2 mit Außengewinde 28 zur Aufnahme einer Trinkflüssigkeit 3, ist zusammen mit einem Sauger 4 und einer Belüftungsvorrichtung 5 über einen Schraubring 8 mit Innengewinde 29 zu einer Funktionseinheit verschraubt. Das an dem die Öffnung des Behälters 2 begrenzenden Wandungsbereich des Behälters 2 ausgebildete Außengewinde 28 und das Innengewinde 29 bilden zusammen eine Gewindeverbindung 9, siehe Fig. 5. Zwischen dem Außengewinde 28 des Behälters 2 und dem Innengewinde 29 des Schraubringes 8 verläuft entlang der Gewindegangs ein luftdurchlässiger freier Spalt 30, der als Gewindeflankenspiel erforderlich ist, um den Schraubring 8 leicht, ohne zu verklemmen, mit dem Behälter 2 zu verschrauben.A drinking bottle 1 according to Fig. 1 consisting of a container 2 with external thread 28 for receiving a drinking liquid 3, is screwed together with a sucker 4 and a ventilation device 5 via a threaded ring 8 with internal thread 29 to form a functional unit. The on the opening of the container 2 bounding wall portion of the container 2 formed external thread 28 and the internal thread 29 together form a threaded connection 9, see Fig. 5 , Between the external thread 28 of the container 2 and the internal thread 29 of the threaded ring 8 along the thread an air-permeable free gap 30 which is required as a thread flank clearance to the screw ring 8 easily, without jamming, with the container 2 to screw.

Die Belüftungsvorrichtung 5, siehe Fig. 1, ist aus zwei Teilen, einer Lüftungsscheibe 6, Fig. 2 und Fig. 3 und einem Lüftungsrohr 7 zu einer Einheit zusammengesetzt. Zu Reinigungszwecken ist diese Einheit leicht in ihre Bestandteile zerlegbar. Die Lüftungsscheibe 6 liegt mit einer ersten Stirnseite am Rand der Öffnung des Behälters 2 dichtend an. Ihre der ersten Stirnseite gegenüberliegende zweite Stirnseite 12 steht mit einer von einem Flansch (20) des Saugers 4 gebildeten Anschlußfläche 18 dichtend in Eingriff.The ventilation device 5, see Fig. 1 , is made of two parts, a ventilation disc 6, Fig. 2 and Fig. 3 and a ventilation pipe 7 assembled into one unit. For cleaning purposes, this unit is easily dismantled into its components. The ventilation disc 6 lies with a first end face on the edge of the opening of the container 2 sealingly. Its first end face opposite the second end face 12 is sealingly engaged with a terminal surface 18 formed by a flange (20) of the nipple 4.

Die Lüftungsscheibe 6, siehe Fig. 2, Fig. 3 und Fig. 4, ist mit einem einen ersten Abschnitt eines Druckausgleichswegs bildenden Lüftungskanal 13 mit U-förmigem Querschnitt ausgebildet, der zur von der unteren Saugerflanschfläche gebildeten unteren Anschlußfläche 18 des Saugers 4 hin geöffnet ist. Über eine Verbindungsbohrung 14, die sich in ihrer Fortsetzung 14a konisch öffnet und als Staudüse wirkt, ist der Lüftungskanal 13 mit einer Bohrung 10a eines an der ersten Stirnfläche ausgebildeten Rohraufnahmestutzens 10 verbunden. In die Bohrung 10a des Rohraufnahmestutzens 10 wird ein Lüftungsrohr 7 unter leichter Spannung eingeschoben, so daß es darin reibschlüssig festgelegt wird.The ventilation disc 6, see Fig. 2, Fig. 3 and Fig. 4 , Is formed with a first portion of a pressure equalization path forming vent channel 13 having a U-shaped cross-section, which is open to the lower pad 18 formed by the lower Saugerflanschfläche the teat 4. Via a connecting bore 14, which opens conically in its continuation 14a and acts as a pitot tube, the ventilation duct 13 is connected to a bore 10a of a pipe receiving nozzle 10 formed on the first end face. In the bore 10a of the pipe receiving nozzle 10, a ventilation tube 7 is inserted under slight tension, so that it is frictionally defined therein.

Die Entlüftung des Behälters 2 verläuft über das Lüftungsrohr 7, die Verbindungsbohrung 14, den Lüftungskanal 13 und den freien Spalt 30 an der Gewindeverbindung 9 nach Außen 27.The venting of the container 2 extends via the ventilation tube 7, the connecting bore 14, the ventilation channel 13 and the free gap 30 at the threaded connection 9 to the outside 27th

Der eng ausgeführte Entlüftungsquerschnitt des Lüftungskanals 13 mit der Verbindungsbohrung 14 steigt durch die konische Fortsetzung 14a bis zum Lüftungsrohr 7 stetig an. Dadurch kann die Ausgleichsluft von Außen 27 über den Spalt 30 der Gewindeverbindung 9, den Lüftungskanal 13, die Verbindungsbohrung 14 mit der konischen Fortsetzung 14a und das Lüftungsrohr 7, mit stetig steigenden freien Querschnitten ungehindert und ohne Druckstau in den Behälter 2 einströmen und den darin entstandenen Unterdruck ausgleichen, was zu einem leichten Saugen führt.The closely executed ventilation cross-section of the ventilation duct 13 with the connecting bore 14 rises steadily through the conical continuation 14a to the ventilation pipe 7. As a result, the compensation air from the outside 27 via the gap 30 of the threaded connection 9, the ventilation duct 13, the connecting bore 14 with the conical continuation 14a and the ventilation tube 7, with continuously increasing free cross-sections flow unhindered and without pressure accumulation in the container 2 and the resulting therein Balance negative pressure, resulting in a light suction.

Dagegen kann die gegenüber der Ausgleichsluft zähere Trinkflüssigkeit 3 über das Lüftungsrohr 7, wegen der starken Drosselung an der als Staudüse ausgeführten Verbindungsbohrung 14 über den Lüftungskanal 13 und den freien Spalt 30 der Gewindeverbindung 9 nicht nach Außen 27 gelangen, so dass Leckverluste von Trinkflüssigkeit 3 über diesen Weg vermieden werden.In contrast, the toughened compared to the compensating air drinking liquid 3 via the vent pipe 7, because of the strong throttling on the connecting hole executed as a pitot tube 14 via the ventilation duct 13 and the free gap 30 of the threaded connection 9 do not reach the outside 27, so that leakage of drinking liquid 3 via avoid this way.

Im weiteren Verlauf weist die Lüftungsscheibe 6, siehe Fig. 1, Fig. 2 und Fig. 3, einen Durchbruch 15 auf, der einen ungehinderten Durchgang der Trinkflüssigkeit 3 aus dem Behälter 2 in den inneren Saugerraum 16 ermöglicht.In the further course, the ventilation disc 6, see Fig. 1 . Fig. 2 and Fig. 3 , an opening 15, which allows an unhindered passage of the drinking liquid 3 from the container 2 into the inner vacuum chamber 16.

Mit dieser Ausgestaltung sind alle Flächen der Lüftungsscheibe für eine sehr leichte und sichere hygienische Reinigung zugänglich.With this configuration, all surfaces of the ventilation disc for a very easy and safe sanitary cleaning accessible.

Eine weiteres vorteilhaftes Ausgestaltungsmerkmal der Lüftungsscheibe 6 ist der umlaufende geschlossene Dichtungssteg 17, der von der zweiten Stirnseite 12 hin zur unteren Saugerflanschfläche 18 spitz zuläuft und in der Schnittdarstellung, Fig. 1 und Fig. 2, als Dreieckfläche 19 ausgebildet ist. Durch diese spitze Ausgestaltung der Dreieckfläche 19 wird erreicht, dass beim Verschrauben des Behälters 2 mit dem Schraubring 8 der geschlossene Dichtungssteg 17 der Lüftungsscheibe 6 ohne große Kraftanstrengung in den Saugerflansch 20 eindringt und mit hoher Sicherheit ein Austreten der Trinkflüssigkeit 3 aus dem Behälter 2 über den Lüftungskanal 13 und den Spalt 30 der Gewindeverbindung 9 nach Außen verhindert. Dadurch wird ein Saugen ohne Leckagen erreicht.Another advantageous design feature of the ventilation disc 6 is the circumferential closed sealing web 17, which tapers from the second end face 12 towards the lower Saugerflanschfläche 18 and in the sectional view, Fig. 1 and Fig. 2 is formed as a triangular surface 19. By this pointed configuration of the triangular surface 19 is achieved that when screwing the container 2 with the screw ring 8 of the closed sealing web 17 of the ventilation disc 6 penetrates without great effort in the Saugerflansch 20 and with a high degree of leakage of the drinking liquid 3 from the container 2 on the Ventilation duct 13 and the gap 30 of the threaded connection 9 prevented to the outside. This ensures suction without leaks.

Die obere Endfläche 21 des Lüftungsrohrs 7, siehe Fig. 1, verläuft zur Rohrmantelfläche unter einem schrägen Winkel, wodurch eine leichtere Montage des Lüftungsrohres 7 in die Bohrung 10a der Lüftungsscheibe 6 und eine sichere Ausgleichsluftversorgung des Behälters 2 erreicht wird. Damit keine Verwechselung während des Zusammenbaus auftritt, ist die untere Endfläche 22 des Lüftungsrohres 7 ebenfalls mit einem schrägen Flächenverlauf ausgeführt.The upper end surface 21 of the ventilation pipe 7, see Fig. 1 , Runs to the tube surface at an oblique angle, whereby an easier installation of the ventilation tube 7 in the bore 10a of the ventilation disc 6 and a secure equalizing air supply of the container 2 is achieved. So that no confusion occurs during assembly, the lower end surface 22 of the ventilation tube 7 is also designed with an oblique surface course.

Die Arbeitsweise ist wie folgt:The working method is as follows:

Fig. 1 zeigt die Trinkflasche 1 in Ruhelage. In dieser Lage ist der Flüssigkeitsstand im Behälter 2 und im Lüftungsrohr 7 gleich hoch. Sobald die Trinkflasche aus der Ruhelage in eine schräge Trinklage mit nach unten gerichtetem Sauger 4 gebracht wird, dringt Flüssigkeit aus dem Saugloch 23 tropfenweise nach Außen 27. Ein zusätzliches Saugen unterstützt diesen Flüssigkeitsaustritt noch weiter. In dieser Lage wandert der Freiraum 11 oberhalb der Trinkflüssigkeit 3 in den Raumbereich 26 zum Behälterboden 25 hin, in dem nach Verlassen der ersten Flüssigkeitstropfen aus dem Saugloch 23 ein Unterdruck entsteht. Beim geringsten Unterdruck im Behälter 2 setzt sofort sein Ausgleich ein, indem von Außen 27 über den Spalt 30 der Gewindeverbindung 9, den Lüftungskanal 13, die Verbindungsbohrung 14, bis ins Lüftungsrohr 7 Ausgleichsluft ohne Druckstau, infolge der sich stetig erweiternden Entlüftungsquerschnitte, einströmt und die darin eingeschlossene Trinkflüssigkeit 24 in den Raumbereich 26 über dem Behälterboden 25 des Behälters 2 verdrängt. Fig. 1 shows the bottle 1 at rest. In this position, the liquid level in the container 2 and the ventilation pipe 7 is the same height. As soon as the drinking bottle is brought from the rest position into an oblique drinking position with the teat 4 directed downwards, liquid from the suction hole 23 drips outward drop by drop 27. An additional suction further supports this liquid outlet. In this position, the free space 11 moves above the drinking liquid 3 in the space region 26 to the container bottom 25, in which after leaving the first liquid drops from the suction hole 23, a negative pressure is created. At the slightest negative pressure in the container 2 is immediately equalized by the outer 27 via the gap 30 of the threaded connection 9, the ventilation duct 13, the connecting hole 14, to the ventilation tube 7 compensation air without pressure accumulation, as a result of constantly expanding vent cross sections, flows in and This included drinking liquid 24 displaced into the space region 26 above the container bottom 25 of the container 2.

Sobald das Lüftungsrohr 7 frei von Trinkflüssigkeit 3 ist, wird der Unterdruck im Raumbereich 2.6 unter dem Behälterboden 25 ausgeglichen. Der Tropfenstrom aus dem Saugloch 23 reißt dadurch nicht ab, da jeder momentane Unterdruck, hervorgerufen durch das austretende Tropfenvolumen, sofort durch die nachströmende Ausgleichsluft kompensiert wird. Mit geringer Saugunterstützung wird ein sehr leichtgängiges Saugen erreicht. Da das Lüftungsrohr 7 sich bis in die Nähe des Behälterbodens 25 erstreckt, wird mit der Belüftungsvorrichtung 5 erreicht, dass während des Saugens Luftausgleichsblasen durch die Trinkflüssigkeit 3 hindurchwandern.As soon as the ventilation tube 7 is free of drinking liquid 3, the negative pressure in the area 2.6 under the container bottom 25 is compensated. The drop stream from the suction hole 23 does not tear off because each momentary negative pressure, caused by the exiting drop volume, is immediately compensated by the inflowing compensation air. With low suction support a very smooth suction is achieved. Since the ventilation pipe 7 extends into the vicinity of the container bottom 25, it is achieved with the aeration device 5 that air equalizing bubbles pass through the drinking liquid 3 during suction.

Wird die Trinkflasche aus der Trinklage wieder in die Ruhelage zurück gebracht, dann dringt langsam die Trinkflüssigkeit 3 wieder in das Lüftungsrohr 7 ein und verdrängt das darin eingeschlossene Luftpolster über die Verbindungsbohrung 14, den Lüftungskanal 13 und den Spalt 30 der Gewindeverbindung 9 nach Außen 27.If the bottle is brought back from the drinking position to the rest position, then the liquid 3 slowly penetrates into the ventilation tube 7 and displaces the air cushion enclosed therein via the connecting bore 14, the ventilation channel 13 and the gap 30 of the threaded connection 9 to the outside 27.

Dieser Luftpolsterabbau erfolgt, wegen der Umkehrrichtung der Luftströmung mit den sich verjüngenden Entlüftungsquerschnitten und der damit einhergehenden starken Drosselung des verdrängten Luftpolsters, relativ langsam, so dass das noch nicht abgebaute Luftpolster das Lüftungsrohr 7 blockiert und die Trinkflüssigkeit 24 im Lüftungsrohr 7 über diesen Weg, selbst wenn die Trinkflasche 1 geschüttelt wird, nicht nach Außen 27 dringen kann.This air cushion degradation takes place, because of the reverse direction of the air flow with the tapered vent cross sections and the associated strong throttling of the displaced air cushion, relatively slowly, so that the not yet degraded air cushion blocks the vent pipe 7 and the liquid 24 in the vent pipe 7 via this path, even if the bottle 1 is shaken, can not penetrate to the outside 27.

Ist das Luftpolster so weit abgebaut, dass die Trinkflüssigkeit 24 im Lüftungsrohr 7 in der Trinklage bei verschlossenem Saugloch 23 die Verbindungsbohrung 14a, 14 erreicht, so kann wegen der Stauwirkung der zäheren Trinkflüssigkeit 24 im konischen Teil 14a diese nicht durch die enge Verbindungsbohrung 14 über den Lüftungskanal 13 und den freien Spalt 30 nach Außen 27 treten.If the air cushion degraded so far that the liquid 24 reaches the connection hole 14a, 14 in the ventilation tube 7 in the drinking position with a closed suction hole 23, so can not through the tight connection bore 14 on the congestion effect of the viscous liquid 24 in the conical portion 14a Ventilation duct 13 and the free gap 30 to the outside 27 occur.

Eine weitere Gebrauchsvariante mit Unterdruckausgleich stellt eine Trinkflasche 1 dar, bei der nur die Lüftungsscheibe 6, ohne das Lüftungsrohr 7, zum Einsatz kommt. Bei dieser Gebrauchsvariante wandern die Luftausgleichsblasen durch die Trinkflüssigkeit 3 hindurch.Another variant of use with negative pressure compensation is a drinking bottle 1, in which only the ventilation disc 6, without the vent tube 7, is used. In this variant of use, the air balancing bubbles pass through the drinking liquid 3.

Eine weitere Ausführungsvariante ohne Lüftungsrohr 7 wird in Fig. 6 gezeigt, die durch eine kostengünstige Fertigung und einfache Handhabung gekennzeichnet ist.A further embodiment without ventilation pipe 7 is in Fig. 6 shown, which is characterized by a cost-effective production and easy handling.

Bei der in Fig. 7 dargestellten zweiten Ausführungsform ist der den ersten Abschnitt des Druckausgleichswegs bildende Lüftungskanal 13 gleichermaßen wie bei den in den Figuren 1 bis 6 dargestellten Ausführungsformen in der Lüftungsscheibe 6a derart ausgebildet, daß er die Form einer zur zweiten Stirnseite 35 hin offenen Rinne aufweist, welche von der an dieser zweiten Stirnseite 35 dicht anliegenden Stirnseite des Saugerflansches 20a abgeschlossen wird. An dieser Stirnseite des Saugerflansches 20a ist ein vorspringender Ringwulst 33 ausgebildet, dessen Querschnitt zum freien Rand des Ringwulstes 33 hin zunimmt. Dieser Ringwulst 33 ist aufgrund der elastischen Verformbarkeit des Saugers 4a in einer zu dem Ringwulst 33 komplementären Ringnut 34 der Lüftungsscheibe 6a verrastbar. Wenn der Sauger 4a und die Lüftungsscheibe 6a durch manuelles Lösen dieser Verrastung voneinander getrennt werden, liegt der Lüftungskanal 13 an der zweiten Stirnseite 35 der Lüftungsscheibe 6a frei und kann leicht gereinigt werden.At the in Fig. 7 illustrated second embodiment of the first portion of the pressure equalization path forming ventilation duct 13 is the same as in the in the FIGS. 1 to 6 illustrated embodiments in the ventilation disc 6a formed such that it has the shape of a second end face 35 toward open channel, which is closed by the second end face 35 tightly adjacent end face of the Saugerflansches 20a. At this end face of Saugerflansches 20a, a projecting annular bead 33 is formed, whose cross-section increases toward the free edge of the annular bead 33 out. This annular bead 33 is latched due to the elastic deformability of the nipple 4a in a complementary to the annular bead 33 annular groove 34 of the ventilation disc 6a. When the sucker 4a and the vent disc 6a are separated from each other by manually releasing this lock, the vent passage 13 is exposed at the second end face 35 of the vent disc 6a and can be easily cleaned.

Bei der in Fig. 8 dargestellten dritten Ausführungsform sind der Sauger 4b und die Lüftungsscheibe als integraler Bestandteil des Saugerflansches 20b ausgebildet. Zu diesem Zweck kann beispielsweise der eigentliche Sauger 4a direkt an die Lüftungsscheibe angespritzt werden. Letztere kann beispielsweise aus einem harten Kunststoff bestehen, wogegen der Sauger 4a aus einem weicheren Material, beispielsweise Silikon, besteht. Alternativ könnten die Lüftungsscheibe und der Sauger miteinander verklebt werden. In allen diesen Fällen bilden sie dann den in Fig. 8 dargestellten einheitlichen Saugerflansch 20b, in dessen Innerem der erste Abschnitt 13a und der daran anschließende zweite Abschnitt 14, 14a des Druckausgleichswegs ausgebildet sind.At the in Fig. 8 illustrated third embodiment, the sucker 4b and the ventilation disc are formed as an integral part of the Saugerflansches 20b. For this purpose, for example, the actual vacuum cleaner 4a can be molded directly onto the ventilation disc. The latter can for example consist of a hard plastic, whereas the sucker 4a made of a softer material, such as silicone. Alternatively, the ventilation disc and the nipple could be glued together. In all these cases they then form the in Fig. 8 represented unified Saugerflansch 20b, in the interior of which the first portion 13a and the adjoining second portion 14, 14a of the pressure equalization path are formed.

Bezugszeichenverzeichnis:Reference numeral directory:

11
TrinkflascheBottle
22
Behältercontainer
33
Trinkflüssigkeitdrinking liquid
44
Saugersucker
4a4a
Saugersucker
4b4b
Saugersucker
55
Belüftungsvorrichtungaeration device
66
Lüftungsscheibeventilation plate
6a6a
Lüftungsscheibeventilation plate
77
Lüftungsrohrventilation pipe
88th
Schraubringscrew ring
99
Gewindeverbindungthreaded connection
1010
RohraufnahmestutzenPipe receiving port
10a10a
Bohrungdrilling
1111
Freiraum im BehälterFree space in the container
1212
zweite Stirnseitesecond end face
1313
Lüftungskanalventilation duct
1414
Verbindungsbohrungconnecting bore
14a14a
konische Fortsetzungconical continuation
1515
Durchbruchbreakthrough
1616
Innerer SaugerraumInner nipple room
1717
Dichtungsstegsealing web
1818
Untere SaugerflanschflächeLower suction flange surface
1919
Dreieckflächetriangular face
2020
Saugerflanschteat
20a20a
Saugerflanschteat
20b20b
Saugerflanschteat
2121
Obere Endfläche LüftungsrohrUpper end surface of ventilation pipe
2222
Untere Endfläche LüftungsrohrLower end surface of ventilation pipe
2323
Sauglochsuction hole
2424
Trinkflüssigkeit im LüftungsrohrDrinking liquid in the ventilation pipe
2525
Behälterbodencontainer bottom
2626
Raumbereich z. BehälterbodenRoom area z. container bottom
2727
AußenOutside
2828
Außengewinde am BehälterExternal thread on the container
2929
Innengewinde am SchraubringInternal thread on the screw ring
3030
Freier SpaltFree gap
3131
Lüftungsscheibeventilation plate
3232
erste Stirnseitefirst end face
3333
Ringwulsttorus
3434
Ringnutring groove
3535
zweite Stirnseitesecond end face

Claims (14)

  1. A ventilation device (5) for a drinking bottle (1) comprising a container (2) for holding a potable liquid (3) and a bottle teat (4) that can be attached to an opening of the container (2), the ventilation device (5) having a vent disc (6) with a first face which can be brought to engage, forming a seal, with an edge of the opening of the container (2) running circumferentially in a plane, a second face (12) lying opposite the first face from which the bottle teat (4) extends, an aperture (15) for the passage of the potable liquid (3) into the bottle teat (4) and a pressure compensating pathway connecting the interior of the container (2) to its exterior and which has a first section (13) extending from the outer edge of the vent disc (6) towards the aperture (15) and a second section (14) adjacent to the first section (13), extending towards the first face and open towards the interior of the container (2), and the first section (13) of the pressure compensating pathway is a groove formed in the vent disc (6), open towards its second face (12) and which can be terminated by a contact surface of the bottle teat that can be brought to engage, forming a seal, with the second face, characterised in that the second section (14) has a region (14a) in which its cross-section increases towards the interior of the container (2) and compensating air thus flows unhindered and without accumulated pressure into the container.
  2. The ventilation device according to Claim 1, characterised in that the region (14a) of the increasing cross-section extends between the first section and the first face (32).
  3. The ventilation device according to Claim 1 or 2, characterised in that the region (14a) of the increasing cross-section is formed conically.
  4. The ventilation device according to any of Claims 1 to 3, characterised in that the second section (14) has a ventilation pipe (7) extending from the first face towards a base (25) of the container (2) opposite the opening of the container (2).
  5. The ventilation device according to Claim 4, characterised in that the ventilation pipe (7) extends to close to the base (25).
  6. The ventilation device according to Claim 4 or 5, characterised in that the ventilation pipe (7) is fixed in the region of its axial end (21) facing towards the first face of the vent disc (6), frictionally engaged, to a pipe receiving connector (10) formed on the first face, from which it can be removed manually and to which it can be fitted manually.
  7. The ventilation device according to any of Claims 4 to 6, characterised in that at least one of the two axial ends (21, 22) of the ventilation pipe (7) runs at an angle to its longitudinal axis.
  8. The ventilation device according to any of Claims 4 to 7, characterised in that the ventilation pipe (7) is made of a transparent material.
  9. The ventilation device according to any of the preceding claims, characterised in that the second face (12) has a projecting sealing bar (17) serving to engage, forming a seal, with the contact surface (18) of the bottle teat (4), which totally encloses the aperture (15) but excludes the first section of the pressure compensating pathway.
  10. The ventilation device according to Claim 9, characterised in that the cross-section of the sealing bar tapers towards a free edge.
  11. The ventilation device according to any of the preceding claims, characterised in that on the contact surface (18) of the bottle teat (4) and the second face (35) of the vent disc (6a) complementary engagement elements are formed that serve to catch with one another releaseably.
  12. The ventilation device according to Claim 11, characterised in that the engagement element of the contact surface (18) is an annular bead (33) projecting from the latter with a thickness that increases towards its free edge and the engagement element of the vent disc (6a) is an annular groove (34) formed in the latter, complementary to the annular bead.
  13. A drinking bottle comprising the ventilation device according to any of Claims 1 to 12.
  14. The drinking bottle according to Claim 13 comprising a wall region of the container (2) that has a screw thread (28) and delimits its opening, and a threaded ring (8) that has a counter thread (29) by means of which the vent disc (6) can be braced against the opening by screwing with the screw thread (28) of the wall region, characterised in that the first section (13) of the pressure compensating pathway is connected to the exterior (27) of the container (2) by the air-permeable thread connection (9) formed by the screw thread (28) and the counter thread (29).
EP09006863.6A 2008-06-10 2009-05-20 Ventilation device for a drink bottle Active EP2133061B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008027606A DE102008027606A1 (en) 2008-06-10 2008-06-10 Ventilation device for a drinking bottle

Publications (3)

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EP2133061A2 EP2133061A2 (en) 2009-12-16
EP2133061A3 EP2133061A3 (en) 2011-05-25
EP2133061B1 true EP2133061B1 (en) 2013-07-17

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ID=41092200

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US (1) US20100032398A1 (en)
EP (1) EP2133061B1 (en)
DE (1) DE102008027606A1 (en)
ES (1) ES2431169T3 (en)

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Also Published As

Publication number Publication date
DE102008027606A1 (en) 2009-12-17
US20100032398A1 (en) 2010-02-11
EP2133061A3 (en) 2011-05-25
EP2133061A2 (en) 2009-12-16
ES2431169T3 (en) 2013-11-25

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