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
  • E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices
  • E03C1/084—Jet regulators with aerating means

Definitions

• the invention relates to a sanitary insert part, with an inlet side and an outlet side, wherein between the inlet side and the outlet side, a fastening means is formed, wherein the fastening means for releasably securing is formed with a counter-fastening means to a water outlet of a sanitary fitting, wherein between the fastening means and the inlet side a sealing element is formed to an at least partial seal, and with a jet ventilation device having a ventilation access open to the outlet side.
• the invention further relates to an outlet arrangement, with an insert part as described above, which is inserted into a water outlet of a sanitary fitting, wherein the sealing element of the insert at least partially seals a gap between the insert part and the water outlet.
• the invention relates to a use of a discharge opening leading into a jet ventilation device for reducing leakage between an insert part and a water outlet receiving the insert part
• Such a sanitary insert part, such an outlet arrangement and a corresponding use of the type described are known for example from EP3153633 AI.
• the invention has for its object to provide with simple means an alternative method for sealing between a sanitary insert and this receiving water outlet of a sanitary fitting.
• a sanitary insert according to the invention to solve the above problem in a sanitary insert of the type described above is inventively proposed that between the sealing element and the fastener at least one leading from the outside to the jet ventilation device drain opening is formed, which leads into the jet ventilation device.
• drain opening is formed between the sealing element and the fastener between the sealing element and the fastener, which leads into the jet ventilation device.
• a water outlet next to the outlet side past the fastening means is thus significantly reduced or even completely avoidable. It is not necessary in this case to form the sealing element or to press in the water outlet that it seals absolutely. Rather, a certain leakage is acceptable, which can be absorbed via said drain opening. This facilitates the installation of the insert considerably, since this does not have to be mounted with a great effort.
• the sealing element can achieve a complete seal. However, it is already sufficient for the purposes of the invention if the sealing element reaches only a partial seal, from which results in a pressure difference across the sealing element. This pressure difference can be set, for example, such that a substantial part of the water seeping through the sealing element or even all seepage water is led into the drainage opening.
• the fastening means may in this case be designed to be releasably connected to a counter-fastening means.
• the fastening means can be configured to form a screw connection, plug connection, recessed connection and / or snap connection or a combination of one or more of these connection types with one another or with other connection types.
• a main flow path is formed between the inlet side and the outlet side.
• Jet aerator forms a flow obstacle in the main flow path.
• the flow obstruction can thus cause a pressure drop across the inlet side, which allows a return of seepage or leakage flows in the main flow path.
• the drain opening leads in the flow direction behind the flow obstacle in the main flow path.
• a trickle stream must build up a large pressure to flow in the main flow path.
• This can be used, for example, to relieve the outflow opening located seals - which may be formed for example by the fastening means - to relieve.
• It is particularly favorable if a plurality of preferably similar drainage openings are distributed over an outer circumference or if the drainage opening is of annular design.
• drain openings are available essentially over the entire outer circumference.
• leaks can be absorbed on all sides.
• the fastening means is formed on a base body.
• a simple stop in the water outlet can be achieved.
• the fastening means is a thread or a part of a bayonet closure.
• the drain opening is formed on a base body.
• the at least one drain opening can thus be formed, for example, simply by injection molding.
• the sealing element is integrally formed on a, for example, the already mentioned, basic body. This enabled a simple design of the sealing element, with additional assembly steps are dispensable.
• the sealing element is formed annularly encircling. This allows an all-round sealing of an annular gap between the insert and the water outlet with simple means.
• the sealing element seals radially.
• a radial seal has the advantage that a contact pressure due to radial material displacement can be generated and thus only relatively low forces must be applied when inserting the insert in the water outlet.
• the sealing element seals axially.
• a radial dimension is low durable.
• the sealing element seals radially and axially.
• the sealing element can be used in differently shaped Wasseraustuln in which it seals either radially or axially or both radially and axially.
• the jet ventilation device is formed in a, for example, the already mentioned, basic body. It is thus a compact insert formed.
• the main body is formed in one piece.
• an effort in the manufacture and / or installation can be reduced.
• the main body is formed in several parts.
• the advantage here is that different materials can be used. Is an advantage Furthermore, that more complex shapes can be achieved for the main body.
• the base body is made of plastic.
• the body is inexpensive to produce, for example as an injection molded part.
• Plastic would also have proved favorable as a material in terms of avoiding or reducing limescale.
• the sealing element is formed on an upper part of the base body and the fastening means on a lower part of the base body.
• the upper part is snapped with the lower part.
• the body is easy to install.
• the upper part has a greater deformability than the lower part.
• the fastening means with a higher strength than the sealing element can be formed.
• the higher deformability of the sealing element for an improved seal can be exploited.
• the deformability can be, for example, plastic or elastic.
• the at least one drain opening is arranged at a distance from the fastening means.
• the advantage here is that overflow of leachate in the fastener is avoidable by the distance is chosen, for example, sufficiently large.
• a collecting space is formed, with which through the thread seepage water is collectable.
• leachate that still passes through the fastener is collectable to prevent unwanted leakage at the wrong location.
• the collecting space is formed as an annular circumferential groove.
• an undesirable leakage of water along the entire outer circumference of the insert part is reducible or even avoidable.
• the collecting space has an overflow opening, which opens into the ventilation access.
• the collection space is easily emptied into the main flow path.
• a sealing lip is formed, with which the collecting space is sealed in the water outlet to the outside.
• the fastening means is designed as a thread which is formed with a mating thread on a water outlet of a sanitary fitting.
• a thread allows a particularly simple attachment in the water outlet.
• a thread is a flow obstacle when it interacts with the mating thread. As a result, it is particularly serious that leachate on the drain opening and not over the thread runs off.
• a tool approach in particular a slot
• a tool approach is formed to support a fastening operation and / or a release operation.
• a preferred application of the invention is a sanitary fitting with an outlet arrangement according to the invention as described above and / or according to one of the claims directed to an outlet arrangement.
• the features of the sibling, directed to an outlet arrangement claim are provided in an outlet arrangement according to the invention.
• the insert part according to the invention in particular as described above and / or according to one of the directed to an insert claims is formed.
• a flow resistance between the drain opening and the outlet side is smaller than a flow resistance in a seepage path formed between the fastening means and the counter-fastening means.
• the at least one drain opening can be designed as a preferred path of the leachate.
• the advantage here is that only the sealing element a sufficient pressure reduction can be achieved, so that by means of a vote between the at least early drain opening and the fastener an undesirable water leakage next to the water outlet can be avoided.
• the sanitary insert part is designed according to the invention, in particular as described above and / or according to one of the claims directed to a sanitary insert part. It is thus possible to use synergies of the advantages already described.
• the sealing element causes a pressure reduction in the seepage path.
• a relief of the fastener can be achieved.
• a flow resistance generated by the sealing element is greater than a flow resistance in a parallel to the sealing element extending portion of the or a main flow path in the insert part.
• the invention thus relates to a sanitary insert part, with an inlet side and an outlet side, between the inlet side and the outlet side, a fastening means is formed, wherein the fastening means for releasably securing is formed with a counter-fastening means to a water outlet of a sanitary fitting, wherein between the fastening means and the Einlaufseite a sealing element is formed to an at least partial sealing, with a jet ventilation device having an outlet opening to the outlet side or at least outwardly open ventilation access, and with an outside of the sanitary insert part with a ventilation chamber of the jet ventilation device connecting drain opening between the sealing element and the Fastener is formed.
• Fig. 1 is a partially sectioned embodiment of a sanitary insert according to the invention, which is inserted into a water outlet of a sanitary fitting in a perspective view, wherein the sealing element radially seals the gap between the insert and the water outlet
• Fig. 2 is a detail view of the first circled area of the sanitary insert 1, in which the drain opening between the sealing element and the fastening means is shown in an enlargement
• FIG. 3 is an enlarged detail view of the second circled area of Figure 1, in which the collecting space is arranged
• Fig. 4 shows a longitudinal section through a further embodiment of the sanitary insert part, which is inserted into a water outlet of a sanitary fitting, wherein the sealing element, the gap axially seals between the insert part and the water outlet,
• Fig. 5 is an enlarged detail view of the circled
• a sanitary insert part is shown, which is provided on the whole by the reference numeral 1.
• the sanitary insert 1 is designed to be detachable on a Water outlet 5 a sanitary fitting to be fastened, so that a simple replacement is possible.
• the sanitary insert part 1 has an inlet side 2 facing upward in FIGS. 1 and 4 and a downwardly pointing outlet side 3.
• a fastening means 4 arranged between the inlet side 2 and the outlet side 3 is arranged, which is adapted to be able to fix the sanitary insert part 1 to a counter-fastening means 6 of a sanitary fitting in a mounting position.
• the base body 12 has at least partially a cylindrical shape.
• the fastening means 4 is on an outer circumferential surface of the base body 12 and the counter-fastening means 6 of the sanitary fitting is formed on an inner circumferential surface of a water outlet 5 of the sanitary fitting.
• the fastening means 4 may be formed as a thread, in particular as an external thread.
• the counter-fastening means 6 can likewise be designed as a matching counter-thread, in particular as an internal thread.
• the sanitary insert part 1 further has a sealing element 7, by means of which, as shown in Figures 1 to 3, a radial seal of a gap 19 between the sanitary insert 1, in particular an outside of the sanitary insert 1, and the water outlet 5 of the sanitary fitting is trained.
• the acted upon by the sealing element 7 in the mounting position stop 21 is inclined to a Insertion direction of the sanitary insert part 1 and / or a flow direction of the water aligned.
• the seal does not have to lead to a complete sealing of the gap 19, since water, which penetrates despite the seal through the gap 19, downstream in the flow direction from the sealing element 7 in a main flow path is traceable.
• the sanitary insert part 1 is thus, without that constructive changes are necessary to be used in differently shaped water outlets, which in particular stop surfaces for the sealing element 7, which are aligned transversely and / or perpendicular to the insertion direction of the sanitary insert part 1 and / or the flow direction ,
• the sealing element 7 thus has at least two, in particular spaced apart stop surfaces 22, which are adapted to be able to produce a formation of two different seals with a stop 21 of the sanitary fitting.
• the sealing element 7 is in the embodiments shown annular and formed as a part of the multi-part main body 12. However, it would also be conceivable that the sealing element 7 is integrally formed on a, for example integrally formed base body 12 or on a part, in particular the upper part, of the base body 12.
• the sanitary insert part 1 has for ventilation of a water jet formed in the base body 12 jet ventilation device 8, which has an open to the outlet side 3 vent access 9, which leads into a ventilation chamber and via which air from the outside via the outlet side 3 is sucked.
• Jet aerating device 8 has a flow obstacle 11, which may be formed, for example, as a baffle surface with nozzle openings.
• a flow obstacle 11 which may be formed, for example, as a baffle surface with nozzle openings.
• the sanitary insert part 1 between the sealing element 7 and the fastening means 4 has at least one drain opening 10 leading into the jet ventilation device 8.
• the drain opening 10 is downstream of the flow obstacle 11 and spaced from the fastening means 4 arranged in front of this. in the
• Embodiment for example, a plurality of similar outlet openings 10 are formed, which together cover a major part of the outer periphery.
• the drainage openings 10 are in this case arranged on a collecting pocket 26, which is formed by the base body 12 in the form of a peripheral circumferential groove.
• This collecting pocket 26 thus absorbs water seeping past the sealing element 7 and leads it to the drainage openings 10.
• the sanitary insert part 1 has a multipart base body
• the base body 12 which is composed of three parts.
• the base body 12 as shown therein, composed of the sealing element 7, an upper part 13 and a lower part 14.
• the upper part 13 As shown therein, composed of the sealing element 7, an upper part 13 and a lower part 14.
• the flow obstacle 11 may be formed.
• the ventilation chamber 25 may be formed.
• the upper part 13 and / or the lower part 14 and / or the sealing element 8 can be locked via a mechanical connection, in particular a latching connection.
• the sealing element 7 may further be integrally formed with the upper part 13. It may be expedient if the upper part 13 has a greater, preferably elastic, deformability than the lower part 14.
• a collecting space 15 is shown, the is adapted to water that through a seepage path between the fastener 4 and the
• Counter securing means 6 passes, catch to prevent unwanted leakage.
• the collecting space 15 is arranged upstream of the ventilation access 9 in the inflow direction of the air sucked through the ventilation access 9.
• the collecting space 15 has a sealing lip 17 with which it can be sealed off at the water outlet 5 to the outside, in particular downwards.
• the collecting space 15 further has an overflow opening 16, via which water, which can no longer be received by the collecting space 15, can emerge from the collecting space 15. This water can thus be sucked during a flow through the sanitary insert 1 with water together with the intake air through the ventilation access 9 in the ventilation chamber of the jet ventilation device 8.
• an unwanted leakage via the seepage path 20 can be prevented, which would affect the overall jet image negative.
• a flow resistance between the drain opening 10 and the outlet side 3 is also smaller than a flow resistance in the seepage path 20 formed between the fastening means 4 and the counter-fastening means 6.
• the water will therefore choose the path of least resistance and drain through the at least thin drainage opening 10 instead along the trickle path 20 between fastener 4 and counter-fastening means 6 to crawl.
• the sealing element 7 also causes a reduction in pressure in the seepage path 20, since a flow resistance generated by the sealing element 7 is greater than a flow resistance in a section of the main flow path in the sanitary insert part 1 that runs parallel to the sealing element 7.
• a as Slot designed tool attachment 18 is formed.
• a tool used in the water outlet 5 sanitary insert 1 by attaching a tool on the tool neck 18 and a preferably defined as rotational movement opening movement of the tool from the water outlet 5 is detachable, in particular Toschraubbar, or also used therein, in particular screwed.

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• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Hydrology & Water Resources (AREA)
• Public Health (AREA)
• Water Supply & Treatment (AREA)
• Sink And Installation For Waste Water (AREA)
• Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
• Domestic Plumbing Installations (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

Family

ID=63077849

Family Applications (1)

Country Status (7)

Families Citing this family (1)

Citations (4)

Family Cites Families (4)

• 2017
  • 2017-09-06 DE DE202017105386.5U patent/DE202017105386U1/de active Active
• 2018
  • 2018-02-06 CN CN201810115729.1A patent/CN109457766B/zh active Active
  • 2018-02-06 CN CN201820204322.1U patent/CN208056195U/zh not_active Withdrawn - After Issue
  • 2018-07-20 US US16/622,629 patent/US20210140157A1/en not_active Abandoned
  • 2018-07-20 WO PCT/EP2018/069778 patent/WO2019048120A1/de active Search and Examination
  • 2018-07-20 ES ES18748877T patent/ES2903437T3/es active Active
  • 2018-07-20 PL PL18748877T patent/PL3679198T3/pl unknown
  • 2018-07-20 EP EP18748877.0A patent/EP3679198B1/de active Active

Patent Citations (4)

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