EP3320152B1 - Sanitäre kupplung - Google Patents

Sanitäre kupplung Download PDF

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Publication number
EP3320152B1
EP3320152B1 EP16724593.5A EP16724593A EP3320152B1 EP 3320152 B1 EP3320152 B1 EP 3320152B1 EP 16724593 A EP16724593 A EP 16724593A EP 3320152 B1 EP3320152 B1 EP 3320152B1
Authority
EP
European Patent Office
Prior art keywords
housing
line section
insert
coupling according
annular
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.)
Active
Application number
EP16724593.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3320152A1 (de
Inventor
Martin Fangmeier
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.)
Neoperl GmbH
Original Assignee
Neoperl GmbH
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 Neoperl GmbH filed Critical Neoperl GmbH
Publication of EP3320152A1 publication Critical patent/EP3320152A1/de
Application granted granted Critical
Publication of EP3320152B1 publication Critical patent/EP3320152B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0425—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid without any source of compressed gas, e.g. the air being sucked by the pressurised liquid
    • 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
    • E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices
    • E03C1/084—Jet regulators with aerating means

Definitions

  • the present invention relates to a sanitary coupling according to the preamble of claim 1.
  • sanitary couplings that connect two line sections with each other are already known in various designs.
  • sanitary couplings are used, for example, to connect a hand shower or similar water consumption point on the one hand to a water connection on the other.
  • a line section and in particular the outflow-side line section have a housing receptacle, which is usually designed as a cross-sectional widening of the clear flow cross section and into which an insertion housing designed as an insert cartridge can be inserted, until an annular flange serving as an insertion stop engages Insertion housing a, the insertion opening bounding peripheral end edge of the first line section acted upon.
  • a sanitary coupling previously known, which connects a hand shower with an inflow-side flexible shower hose.
  • the hand shower has on its, the shower hose facing front end on a housing receptacle into which an insertion is used, which serves as a jet aerator. Ventilation openings are provided in the insertion housing of the previously known insertion element, via which ambient air can be sucked into the interior of the housing, which is supplied via the screw connection between the hand shower and the adjacent shower hose.
  • the air duct in the previously known sanitary coupling is guided over narrow gaps, which can have a limiting effect on the air supply.
  • the previously known hand shower has, in the region of a rod-shaped handle section or in the region of its shower head, a ventilation device with a line section narrowing the clear flow cross-section, which opens into a ventilation zone which is connected to the atmosphere via at least one ventilation channel is.
  • Adjoining this ventilation zone is a funnel-shaped collecting section, which concentrates the water jet enriched with ambient air in the ventilation zone, before the water jet aerated in this way is led to the outlet of the previously known hand shower via a cross-sectional widening reducing the jet velocity. Since the inlet-side opening of the at least one ventilation channel is arranged on the known hand shower and in particular on the handle portion, there is a risk that the hand shower user gripping unintentionally closes this inlet opening of the ventilation duct by hand and a ventilated water jet can not be generated contrary to expectations ,
  • a sanitary coupling of the type mentioned above which connects an inflow-side first line section and a downstream second line section with each other.
  • the sanitary coupling which is designed as a water-saving unit and the water flowing through it to enrich with ambient air, has an inflow-side first and a downstream second coupling part, the are releasably connected to each other.
  • the inflow-side first coupling part which at the same time serves as an insert housing for a filter screen, is inserted with an inflow-side coupling part section via an end-side insertion opening into a housing receptacle in the inflow-side first line section and secured therein via a screw connection provided between the coupling part and the line section.
  • an annular flange serving as an insertion stop acts on the end peripheral edge surrounding the insertion opening of the first line section on the insertion housing.
  • the inflow-side coupling part has an outflow-side coupling part section, which projects in a peg-shaped manner over the first coupling part section and opens into the outflow-side line section.
  • the inflow-side first coupling part has in the arranged between its coupling part sections portion radially oriented ventilation channels, in each of which a check valve is provided. These ventilation channels connect an annular zone remaining between the coupling parts to the liquid-conducting housing interior of the inflow-side first coupling part, wherein outflow of the water flowing through the coupling part is prevented by means of the check valves.
  • the housing interior of the insert housing is volume variable and communicates with the ambient air to cause pressure equalization in the volume variable housing interior of the insert housing that the housing receiving the first line section at least has an open towards the end peripheral edge and the inner and the outer periphery of the first line portion toward the air slot, and that the air gap connects the at least one air passage with the at least one louver.
  • the sanitary coupling according to the invention is intended to connect an inflow-side and a downstream-side line section to one another.
  • the coupling according to the invention is associated with a sanitary inserting element which has an insert housing designed as an insert cartridge.
  • This insert housing whose housing interior volume is variable and to communicate with the ambient air to effect a pressure equalization in the volume changeable housing interior of the insert housing can be inserted via a frontal insertion opening in a housing receptacle in a first line section, said first line section of the inflow side or better can be downstream line section.
  • the insertion housing can be inserted into this first conduit section until an annular flange serving as an insertion stopper acts on the insertion housing on an end circumference edge of the first conduit section which delimits the insertion opening.
  • annular zone Between the housing outer circumference of the insert housing and the Inner circumference of the housing receptacle is provided an annular zone. In a partial region of this annular zone, at least one air channel is provided, which is effective between the housing interior and the housing outer circumference.
  • the housing section having the first line section has at least one air slot, which is open to the peripheral opening surrounding the insertion opening and to the inner and the outer periphery of the first line section.
  • an air gap is arranged in which between the housing outer circumference and the inner circumference of the housing receptacle, which connects the at least one air channel with the at least one air slot.
  • the ambient air can thus communicate with the housing interior of the insertion housing via the at least one air slot and the at least one air channel and the air gap provided therebetween. Since the air duct and the air slot are connected via the circumferentially oriented air gap, a special alignment of the insert element and the housing receiving the first line section is not required. A secure and firm connection of the pipe sections is not affected, although the ambient air can communicate well through the air duct, the air gap and the air slot.
  • the annular zone provided between the housing outer circumference of the insert housing and the inner circumference of the housing receptacle is radially sealed by means of at least one annular seal.
  • the ring seal is arranged at a distance from the annular flange, wherein the effective between the housing interior and the housing outer circumference air duct having partial region of the annular zone is preferably arranged between the annular flange and the at least one annular seal.
  • a lip seal or even a sealing bead may be provided on the outer circumference of the insert housing.
  • the at least one annular seal is designed as a sealing ring, which is held in a retaining groove on the outer circumference of the housing housing.
  • annular flange can be arranged on the front end of the insertion element facing the adjacent line section, provides that the second line section is axially sealed relative to the annular flange.
  • a sealing ring is provided between the annular flange and the adjacent end peripheral edge of the second line section.
  • inflow-side and the outflow-side line section are connected to one another by means of a screw connection or a bayonet connection.
  • a preferred embodiment according to the invention provides that at the one line section an external thread is provided on the outer peripheral side, which cooperates with an internal thread in a union nut, which union nut is rotatably supported on the other line section, but at least axially immovable at least in the direction of the external thread.
  • a particularly advantageous embodiment according to the invention which substantially promotes the communication of the housing interior with the ambient air, provides that the air slot merges into a longitudinal groove on the outer circumference of the first line section, which longitudinal groove passes through the external thread in the axial direction. It is advantageous if the longitudinal groove extends beyond the, facing the adjacent line section end peripheral edge of the nut.
  • the longitudinal groove extends over the entire longitudinal extent of the external thread and preferably extends beyond the thread pitch facing away from the end peripheral edge of the first line section.
  • a preferred embodiment according to the invention provides that the external thread is provided on the first line section and that the union nut is rotatably supported on the second line section.
  • first line section is the outflow-side line section and the second line section is the inflow-side line section.
  • a particularly simple and easy to manufacture embodiment provides that the air gap is formed by an annular groove, by a puncture or by an annular gap on the housing outer circumference of the insert housing and / or on the inner circumference of the housing receptacle of the first line section.
  • a sanitary coupling 1 which connects an inflow-side and a downstream-side line section.
  • this union nut 3 is rotatably mounted on the second line section not shown here, but held axially immovable in the direction of the first line section 2.
  • At the second line section may serve as a stop serving annular flange or annular shoulder, which cooperates with a counterstroke this attack and also designed as an annular shoulder or annular flange counter-stop on the inner circumference of the sleeve-shaped union nut 3.
  • the coupling 1 shown here can be used, for example, to connect a hand shower or similar water consumption point on the one hand to a water connection on the other hand, wherein in one of the line sections and here in the first line section 2 designed as Einsetzpatrone insert housing 4 of a sanitary inserting element 5 is inserted, the housing interior space 6 has to communicate with the ambient air.
  • the insertion housing 4, the housing interior 6 is to communicate with the ambient air, is inserted via a frontal insertion opening in a housing receptacle 7 of the first line section 2, said first line section 2 of the inflow-side or better - as here - may be the downstream line section.
  • the insertion housing 4 can be inserted into this first conduit section 2 until an annular flange 8 serving as an insertion stop acts on the insertion housing 4 on an end peripheral edge 9 of the first conduit section 2 bounding the insertion opening.
  • annular zone 10 between the housing outer circumference of the insert housing 4 and the inner circumference of the housing receptacle 7 by means of at least one annular seal 11 is radially sealed.
  • This ring seal 11, which is designed here as a sealing ring, which is held in a retaining groove 15 at the outer ⁇ enconsider of the insert housing 4, is arranged at a distance from the annular flange 8.
  • at least one air passage 12 is provided which is effective between the housing interior 6 and the housing outer periphery of the insert housing 4.
  • the housing section 7 having the first line section 2 has at least one air slot 13 which is formed open to the insertion opening delimiting front peripheral edge 9 and the inner and the outer periphery of the first line section 2 out. Furthermore, an air gap 14 is provided between the housing outer circumference of the insert housing 4 and the inner circumference of the housing receptacle 7, which connects the at least one air channel 12 with the at least one air slot 13.
  • the ambient air can thus communicate with the housing interior 6 of the insertion housing 4 via the at least one air slot 13, the at least one air channel 12 and the air gap 14 provided therebetween. Since the air channel 12 and the air slot 13 are connected via the circumferentially oriented and here circumferential air gap 14, a special orientation of the insert 5 and the housing receiving 7 having first line section 2 is not required. A secure and firm connection of the line sections is not affected, although the ambient air via the air channel 12, the air gap 14 and the air slot 13 can communicate well.
  • FIGS. 2 to 7 it can be seen that the second line section is sealed axially with respect to the annular flange 8.
  • a sealing ring 16 is provided between the annular flange 8 and the not shown here adjacent end peripheral edge of the second line section.
  • the inflow-side and the outflow-side line section are connected to one another by means of a bayonet connection.
  • the preferred embodiment shown here provides that the inflow-side and the outflow-side line section are connected to one another by means of a screw connection.
  • an outer thread 17 is provided on the one outer side of the line section 2, which outer thread cooperates with an internal thread 18 in the union nut 3 assigned to the second line section.
  • the external thread 17 is provided on the first line section 2, while on the other hand, the union nut 3 is rotatably supported on the second line section not shown here.
  • the first line section 2 is the downstream line section, while the second line section is intended to be the inflow-side line section.
  • the longitudinal groove 19 extends beyond the end circumference edge of the union nut 3 facing away from the second conduit section. In addition or instead, it may be advantageous if the longitudinal groove 19 extends over the entire longitudinal extent of the external thread 17 and, as here, preferably even beyond the thread pitch 20 facing away from the end peripheral edge 9 of the first line section 2.
  • the insertion element 5 is designed here as a pressure limiter ("pressure limiter), which counteracts an example of a pressure-related increase in temperature on the downstream side and thus in the first line section 2.
  • the insertion housing 4 has a pot-shaped piston 21 which overlaps the insertion housing 4 and presses against the restoring force of a return or compression spring 23 acting in the direction of the insertion housing 4 when the pressure increases on the outflow side and thus in the first conduit section 2 can be.
  • the functional principle of the coupling 1 according to the invention can also be used to ambient air in the housing interior 6 of the insert housing 4 of an insertion 5 suck.
  • the air gap 14 is formed by a puncture or an insertion housing 4 and the end peripheral edge 9 toward open annular groove 22 on the inner circumference of the housing receptacle 7.
  • the first line section 2 can also be designed as a hand shower handle, as a fitting connection or as an overhead shower. So that in this Inserted first inserted line element 5 can communicate with the ambient air, the at least one air duct 12, the at least one air slot 13 and the air gap 14 are provided to replace the complicated holes or holes on the sanitary coupling 1, which holes in an injection molded part only by the use an elaborate slide tool or by downstream operations can be made. It is a particular advantage of the coupling 1 shown here that it requires only a comparatively small size, whereby the installations in the region of this coupling 1 can be smaller.

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)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
EP16724593.5A 2015-07-07 2016-05-24 Sanitäre kupplung Active EP3320152B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202015004825.0U DE202015004825U1 (de) 2015-07-07 2015-07-07 Sanitäre Kupplung
PCT/EP2016/000858 WO2017005336A1 (de) 2015-07-07 2016-05-24 Sanitäre kupplung

Publications (2)

Publication Number Publication Date
EP3320152A1 EP3320152A1 (de) 2018-05-16
EP3320152B1 true EP3320152B1 (de) 2019-02-20

Family

ID=56072289

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16724593.5A Active EP3320152B1 (de) 2015-07-07 2016-05-24 Sanitäre kupplung

Country Status (7)

Country Link
US (1) US10400432B2 (es)
EP (1) EP3320152B1 (es)
CN (1) CN107810300B (es)
DE (1) DE202015004825U1 (es)
ES (1) ES2717349T3 (es)
TR (1) TR201904025T4 (es)
WO (1) WO2017005336A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202017105386U1 (de) * 2017-09-06 2018-12-07 Neoperl Gmbh Sanitäres Einsetzteil und Auslaufanordnung sowie Verwendung einer in eine Strahlbelüftungsvorrichtung führenden Ablauföffnung

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
IL57119A0 (en) * 1979-04-23 1979-07-25 Rosenberg P Ressure regultor
US5409066A (en) * 1990-05-03 1995-04-25 Agf Manufacturing, Inc. Adjustable sprinkler head positioning assembly
JP4474632B2 (ja) * 2000-03-17 2010-06-09 Ｔｏｔｏ株式会社 泡沫吐水口
WO2007069616A1 (ja) * 2005-12-13 2007-06-21 Saiseiko Co., Ltd. 気泡発生構造、及び、その構造を備えたシャワーヘッド
CN2931589Y (zh) * 2006-06-15 2007-08-08 厦门建霖工业有限公司 龙头两段式柔水器
KR20090002982A (ko) * 2007-07-05 2009-01-09 엘지전자 주식회사 플라즈마 디스플레이 패널
KR200447367Y1 (ko) 2008-01-29 2010-01-20 문지연 역류 방지구조를 갖는 절수기
JP5515850B2 (ja) * 2009-02-27 2014-06-11 Ｊｆｅスチール株式会社 ガスシールドアーク溶接とサブマージアーク溶接を組み合わせた複合溶接方法およびその複合溶接機
GB2464779B (en) 2009-04-09 2010-09-22 A L Challis Ltd Air inductor
DE102009030182A1 (de) * 2009-06-24 2011-01-05 Neoperl Gmbh Ventil
KR100934003B1 (ko) 2009-07-16 2009-12-28 주식회사 동아아이디 단계별 절수조절수단이 구비된 샤워기
WO2011051998A1 (ja) 2009-10-26 2011-05-05 株式会社エコテクノロジー 節水栓
ITBS20130004A1 (it) 2013-01-22 2014-07-23 Nikles Tec Italia Srl Organo aeratore, e doccia comprendente tale aeratore
DE102014002175B3 (de) 2014-02-19 2015-05-07 Neoperl Gmbh Sicherheitsventil

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
TR201904025T4 (tr) 2019-04-22
US10400432B2 (en) 2019-09-03
EP3320152A1 (de) 2018-05-16
US20180135281A1 (en) 2018-05-17
CN107810300B (zh) 2020-07-28
ES2717349T3 (es) 2019-06-20
WO2017005336A1 (de) 2017-01-12
CN107810300A (zh) 2018-03-16
DE202015004825U1 (de) 2016-10-10

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