EP0109919A2 - Dispositif pour disconnecter temporairement l'écoulement dans un tuyau, spécialement dans un tuyau d'eau potable - Google Patents

Dispositif pour disconnecter temporairement l'écoulement dans un tuyau, spécialement dans un tuyau d'eau potable Download PDF

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Publication number
EP0109919A2
EP0109919A2 EP83710074A EP83710074A EP0109919A2 EP 0109919 A2 EP0109919 A2 EP 0109919A2 EP 83710074 A EP83710074 A EP 83710074A EP 83710074 A EP83710074 A EP 83710074A EP 0109919 A2 EP0109919 A2 EP 0109919A2
Authority
EP
European Patent Office
Prior art keywords
piston body
cylinder
annular
hollow shaft
longitudinal recesses
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Withdrawn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
EP83710074A
Other languages
German (de)
English (en)
Other versions
EP0109919A3 (fr
Inventor
Heinz Bussmann
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.)
Beckers Ernst
Original Assignee
Beckers Ernst
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 DE19828229918 external-priority patent/DE8229918U1/de
Priority claimed from DE19838303063 external-priority patent/DE8303063U1/de
Application filed by Beckers Ernst filed Critical Beckers Ernst
Publication of EP0109919A2 publication Critical patent/EP0109919A2/fr
Publication of EP0109919A3 publication Critical patent/EP0109919A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/108—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves having an aerating valve

Definitions

  • the invention relates to a device for temporarily interrupting the flow in a pipeline, in particular in a pure water pipe, with a closure body provided between an inlet end and an outlet end, which can be guided by the flow pressure against an energy accumulator, for example a coil spring, and interrupts the flow path as a function of pressure.
  • an energy accumulator for example a coil spring
  • Safety regulations force water consumers to separate waste water pipes from the pure water pipes by means of pipe interrupters so that wastewater or dirt is prevented from being sucked back if there is negative pressure in the pure water pipe. This also applies, for example, to so-called shower dosers, with which washing additives are to be added to pure water.
  • Conventional pipe interrupters have a valve body which interacts with a double seat and is composed of two valve body parts which are connected to one another by a resilient coupling member. Such devices are very complex and are not suitable for smaller sanitary facilities.
  • an inlet and outlet end connecting cylinder with lateral longitudinal recesses which are arranged downstream of the closure body designed as a drum-like and hollow piston body, the latter being provided with openings on its circumference and connected to a hollow shaft pointing in the direction of flow.
  • the inlet end and the outlet end are also connected by a cylinder with an internal annular or partial annular groove arranged on the inlet side and lateral longitudinal recesses arranged downstream of this in the flow direction
  • Closure body is provided and is connected to a hollow shaft pointing in the direction of flow and extending to the longitudinal recesses. It has proven to be advantageous to provide at least one oil seal or the like encompassing the hollow shaft on both sides of the longitudinal recesses and the energy store between the oil seal or the like on the inlet side. and to arrange the longitudinal recesses.
  • the hollow shaft extends through the cylinder zone with the longitudinal recesses and seals the flow path against it.
  • sealing elements or similar sealing elements are preferably provided on both sides of the longitudinal recesses and encompassing the hollow shaft.
  • a tube space extends between the longitudinal recesses and the annular groove, comprising a narrow tube space part which is limited by a ring rib and accommodates the energy accumulator, and a further tube space part which adjoins the flow direction with the formation of a stop; this stop should be arranged in the movement path of the Simmerring on the inlet side, against which the helical spring serving as an energy store is supported.
  • An inlet channel is separated from the tubular space part of larger diameter by that ring or partial ring groove, in which at least one ring-shaped sealing lip or an O-ring is provided near the ring groove;
  • the piston body is bounded against the direction of flow by a closed end face which is opposed by a counter surface perforated by the hollow shaft on the other side of the piston body. It has become It has proven to be advantageous to have the outer surface of the piston body taper conically between its openings on the one hand and the counter surface, as a result of which the seat of the sealing lip becomes increasingly tighter when the piston body is displaced against the direction of flow.
  • This conical outer surface preferably ends in the direction of flow at an annular rib of the piston body.
  • said helical spring stretches between the mating surface or an adjacent sealing ring or the like and the ring rib of the cylinder.
  • a so-called pipe separator 10 for temporarily interrupting a water pipe (not shown further) has a cylinder 1 with a length a of, for example, 125 mm with inlet end 2 and outlet end 3.
  • the latter is initially connected to the water pipe in FIGS. 1 to 3 with an external thread 4, while a screw 6 can be seen in the internal thread 5 of the inlet end 2.
  • both cylinder ends 2, 3 are equipped with external threads 4.
  • axially parallel elongated holes 7 with a length i of, for example, 20 mm run in the cylinder 1, to which an annular shoulder 8 adjoins the outlet end of the elongated hole in FIGS further ring shoulder 9 is assigned.
  • a pipe section 12 corresponding to the annular shoulder 9 and having an outer diameter with circumferential slots 13.
  • a hollow, drum-like piston body 14 with an end face 15 closed against the flow direction x and a cylindrical peripheral wall 16 with four openings 17 is arranged in the pipe section 12, which is preferably made of plastic.
  • a hollow shaft 19 of a short diameter e adjoins the piston body 14 to form an annular surface 18 and a helical spring 20 made of stainless steel surrounds it. This is held between that piston shoulder 18 and a Simmerring 21 pressed against the inner shoulder 8.
  • the upstream Simmerring 21 at one end of the elongated holes 7 is opposite to a second Simmerring 22 at the other end.
  • an annular rib 28 of width n adjoins that end of the elongated hole which is remote from the outlet and also offers the annular shoulder 9 against the flow direction x.
  • This tube space 29 is part of the cylinder space 11 in this embodiment; 4 is connected to the tube space 29 against the flow direction in FIG.
  • a bore 37 near the ring shoulder 9 optionally provides for the discharge of sweat or leakage water.
  • a hollow, drum-like piston body 14 is arranged in the cylinder 1 with an end face 15 which is closed against the flow direction x and in whose cylindrical peripheral wall 16 adjoining the latter, the openings 17 can be seen.
  • the cylindrical peripheral wall 16 merges in the flow direction x into a pipe section 40 which tapers towards the piston body 14, the outside 41 of which thus widens conically up to an annular outer rib 42 against the flow direction.
  • the outer rib 42 creates an annular surface 43.
  • the one in FIG. 6 the Simmerring 33 adjacent ring surface 43 borders the hollow shaft 19 which projects in the operating position over the elongated holes 7 and the end of which is encompassed by the Simmerring 22.
  • the hollow shaft interior 39 merges into the interior of that pipe section 40.
  • the helical spring 20 surrounding the hollow shaft 19 extends between the annular rib 28 and the Simmeming 33.
  • 0-ring 36 which, when the piston body 14 moves against the direction of flow x, encompasses its end face 15 or its peripheral wall 16 and slides along the conical outer surface 41 - sitting more tightly.
  • the coil spring 20 is always outside the section of the pipe separator 30 through which the water flows. As practice shows, this begins to open at approximately 0.5 bar and closes at 1.0 bar.
  • FIG. 5 shows a change at the inlet end 2 compared to that in FIG. 6; the inlet end 2 is extended by approximately 5 mm and is equipped there with an O-ring 46 as a stop element for the piston body 14.
  • the 0-ring 46 is a snap ring 46 on which the fine screen 25 not shown here can be supported.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Actuator (AREA)
  • Sink And Installation For Waste Water (AREA)
EP83710074A 1982-10-25 1983-10-25 Dispositif pour disconnecter temporairement l'écoulement dans un tuyau, spécialement dans un tuyau d'eau potable Withdrawn EP0109919A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19828229918 DE8229918U1 (de) 1982-10-25 1982-10-25 Vorrichtung zum zeitweiligen unterbrechen der stroemung in einer rohrleitung, insbesondere in einer reinwasserleitung
DE8229918U 1982-10-25
DE8303063U 1983-02-04
DE19838303063 DE8303063U1 (de) 1983-02-04 1983-02-04 Vorrichtung zum zeitweiligen unterbrechen der stroemung in einer rohrleitung, insbesondere in einer reinwasserleitung

Publications (2)

Publication Number Publication Date
EP0109919A2 true EP0109919A2 (fr) 1984-05-30
EP0109919A3 EP0109919A3 (fr) 1985-05-22

Family

ID=25949332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83710074A Withdrawn EP0109919A3 (fr) 1982-10-25 1983-10-25 Dispositif pour disconnecter temporairement l'écoulement dans un tuyau, spécialement dans un tuyau d'eau potable

Country Status (1)

Country Link
EP (1) EP0109919A3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0183909A2 (fr) * 1984-12-05 1986-06-11 Lang Apparatebau Gmbh Déconnecteur de tuyaux, en particulier pour conduites d'eau potable
EP0237901A2 (fr) * 1986-03-08 1987-09-23 Heinrich Bussmann Dispositif de distribution de l'eau potable avec un conduit alimentant cette eau

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2418035A1 (de) * 1974-04-13 1975-10-23 Waletzko Alfred Apparatebau Rohrunterbrecher
EP0029387A1 (fr) * 1979-11-12 1981-05-27 Anciens Etablissements M. FRISQUET, SA Disconnecteur pour canalisation d'eau potable
DE3115407A1 (de) * 1981-04-16 1982-11-04 Gerson GmbH, 4400 Münster "rueckflusssicherung fuer stroemende medien in leitungen"

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2418035A1 (de) * 1974-04-13 1975-10-23 Waletzko Alfred Apparatebau Rohrunterbrecher
EP0029387A1 (fr) * 1979-11-12 1981-05-27 Anciens Etablissements M. FRISQUET, SA Disconnecteur pour canalisation d'eau potable
DE3115407A1 (de) * 1981-04-16 1982-11-04 Gerson GmbH, 4400 Münster "rueckflusssicherung fuer stroemende medien in leitungen"

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0183909A2 (fr) * 1984-12-05 1986-06-11 Lang Apparatebau Gmbh Déconnecteur de tuyaux, en particulier pour conduites d'eau potable
EP0183909A3 (en) * 1984-12-05 1987-03-11 Lang Apparatebau Gmbh Tube disconnector, especially for drinking-water conduit pipes
EP0237901A2 (fr) * 1986-03-08 1987-09-23 Heinrich Bussmann Dispositif de distribution de l'eau potable avec un conduit alimentant cette eau
EP0237901A3 (en) * 1986-03-08 1988-01-13 Heinrich Bussmann Device for the distribution of fresh water by means of a conduit carrying this water

Also Published As

Publication number Publication date
EP0109919A3 (fr) 1985-05-22

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Inventor name: BUSSMANN, HEINZ