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DE3504323A1 - Non-return valve - Google Patents

Non-return valve

Info

Publication number
DE3504323A1
DE3504323A1 DE19853504323 DE3504323A DE3504323A1 DE 3504323 A1 DE3504323 A1 DE 3504323A1 DE 19853504323 DE19853504323 DE 19853504323 DE 3504323 A DE3504323 A DE 3504323A DE 3504323 A1 DE3504323 A1 DE 3504323A1
Authority
DE
Germany
Prior art keywords
valve
pressure
return valve
valves
circumference
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Withdrawn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
DE19853504323
Other languages
German (de)
Inventor
Des Erfinders Auf Nennung Verzicht
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
Priority to DE19853504323 priority Critical patent/DE3504323A1/en
Publication of DE3504323A1 publication Critical patent/DE3504323A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
    • F16K15/147—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements having specially formed slits or being of an elongated easily collapsible form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/04—Apparatus utilising compressed air or other gas acting directly or indirectly on beverages in storage containers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)

Abstract

A hat-shaped element consisting of flexible material to be screwed sealingly into pressure fittings and having a pocket hole has a slit on the circumference of its valve part. By virtue of this novel arrangement, the valve is leak-proof even at the least sign of reverse pressure.

Description

Beschreibung description

Unter anderem für Bierzapfarmaturen werden sogenannte Lippenventile verwendet, die aus Gummi angefertigt sind. In Fig. II ist ein solches Lippenventil dargestellt. So-called lip valves are used, among other things, for beer dispensing fittings used, which are made of rubber. In Fig. II is such a lip valve shown.

Im Prinzip ist es ein Gummihütchen mit einem Dichtrand 7, einem zylindrischen Teil 8, das von zwei Seiten Abflachungen 9, die man Lippen nennt, aufweist und eine Hohlbohrung 11. In principle it is a rubber cone with a sealing edge 7, a cylindrical one Part 8, which has flats 9, called lips, on two sides and one Hollow hole 11.

Solche Ventile werden von unten am Lippenende mit einem skalpellähnlichen hauchdünnen Messer geschlitzt. Such valves are opened from below at the lip end with a scalpel-like slotted wafer-thin knife.

Derartige Ventile sind an der Zuführung des Kohlensäuredrucks in den Armaturen mit dem Dichtrand 7 verschraubt. Such valves are in the supply of the carbonic acid pressure the fittings are screwed to the sealing edge 7.

Beim Anstich des Bierfasses wirkt zunächst der Faßdruck von außen auf die Lippen 9, so daß die Flächen des Schlitzes 10 fest aufeinandergepreßt sind und kein Bier in die Hohlbohrung 11 zurückschlagen lassen. When the beer keg is tapped, the keg pressure is initially applied from the outside on the lips 9, so that the surfaces of the slot 10 are firmly pressed together and do not let any beer hit back into the hollow bore 11.

Diese Ventile haben allerdings den Nachteil, daß sie bei geringerem Druck in der Richtung von der Außenseite zur Hohlbohrung 11 undicht sind. However, these valves have the disadvantage that they are less Pressure in the direction from the outside to the hollow bore 11 are leaking.

Es ist also immer ein höherer Druck erforderlich, um eine Abdichtung möglich zu machen. So a higher pressure is always required to create a seal to make possible.

Für diejenigen Fälle, in denen der vorgegebene Druck zu gering ist, um die bisher bekannten Ventile dieser Art abdichtend zu verschließen, hat es sich die Erfindung zur Aufgabe gemacht, ein Ventil zu schaffen, das schon bei geringstem Überdruck vollkommen abdichtet. For those cases in which the specified pressure is too low, to seal the previously known valves of this type, it has to be the invention made the task of creating a valve that even at the slightest Seals overpressure completely.

Dieses Ventil ist in Fig. 1 dargestellt. This valve is shown in FIG.

Es weist einen Dichtrand 1 auf, mit einem daran angesetzten zylindrischen Teil 2 und einem anschließend kegeligen Teil 3. Außerdem weist dieses Ventil eine Hohlbohrung 5 auf. It has a sealing edge 1 with a cylindrical one attached to it Part 2 and a subsequently tapered part 3. In addition, this valve has a Hollow hole 5.

Mit dem Dichtrand 1 wird das Ventil in Druckarmaturen verschraubt und läßt den Druck in Pfeilrichtung A von der Hohlbohrung 5 nach außen durch, während es in umgekehrter Richtung schon bei geringem Rückschlag-Druck dicht ist. The valve is screwed into pressure fittings with the sealing edge 1 and lets the pressure in the direction of arrow A from the hollow bore 5 to the outside through while it is tight in the opposite direction even at low back pressure.

Erfindungsgemäß wird der Schlitz 4 auf dem Umfang des zylindrisch-kegeligen Dichtkörpers 2 + 3 angebracht. According to the invention, the slot 4 is on the circumference of the cylindrical-conical Sealing body 2 + 3 attached.

Durch diese neuartige Anordnung des Schlitzes 4 ist das Rückschlagventil auch bei geringen Drücken entgegen der Pfeilrichtung A absolut dicht.This novel arrangement of the slot 4 is the check valve absolutely tight even at low pressures against the direction of arrow A.

In der bevorzugten Form wird das Rückschlagventil aus Gummi hergestellt, kann aber auch aus Kunststoff hergestellt werden. In the preferred form, the check valve is made of rubber, but can also be made of plastic.

- Leerseite -- blank page -

Claims (1)

Patentanspruch Rückschlagventil bestehend aus einem hohlgebohrten elastischen Körper dadurch gekennzeichnet, daß der Ventil-Schlitz 4 auf dem Umfang des Dichtkörpers angeordnet ist. Patent claim check valve consisting of a hollow bored elastic body characterized in that the valve slot 4 on the circumference of the sealing body is arranged.
DE19853504323 1985-02-08 1985-02-08 Non-return valve Withdrawn DE3504323A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19853504323 DE3504323A1 (en) 1985-02-08 1985-02-08 Non-return valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853504323 DE3504323A1 (en) 1985-02-08 1985-02-08 Non-return valve

Publications (1)

Publication Number Publication Date
DE3504323A1 true DE3504323A1 (en) 1986-08-14

Family

ID=6262016

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853504323 Withdrawn DE3504323A1 (en) 1985-02-08 1985-02-08 Non-return valve

Country Status (1)

Country Link
DE (1) DE3504323A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120266534A1 (en) * 2010-03-26 2012-10-25 Barbado Montero Juan Jesus Device for injecting at least one chemical substance and/or preparation into trees and/or palmaceae and application method thereof
WO2021191665A1 (en) * 2020-03-26 2021-09-30 Rueda Calvet Jose Luis Self-sealing valve for an inflatable body and method for manufacturing same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120266534A1 (en) * 2010-03-26 2012-10-25 Barbado Montero Juan Jesus Device for injecting at least one chemical substance and/or preparation into trees and/or palmaceae and application method thereof
US10219442B2 (en) 2010-03-26 2019-03-05 Fertinyect, S.L. Device for injecting at least one chemical substance and/or preparation into trees and/or palmaceae and application method thereof
WO2021191665A1 (en) * 2020-03-26 2021-09-30 Rueda Calvet Jose Luis Self-sealing valve for an inflatable body and method for manufacturing same

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee