EP4301937A1 - Partie supérieure de vanne pour un appareil sanitaire et appareil sanitaire doté d'une partie supérieure de vanne - Google Patents

Partie supérieure de vanne pour un appareil sanitaire et appareil sanitaire doté d'une partie supérieure de vanne

Info

Publication number
EP4301937A1
EP4301937A1 EP22710372.8A EP22710372A EP4301937A1 EP 4301937 A1 EP4301937 A1 EP 4301937A1 EP 22710372 A EP22710372 A EP 22710372A EP 4301937 A1 EP4301937 A1 EP 4301937A1
Authority
EP
European Patent Office
Prior art keywords
sealing element
seal
sealing
valve seat
valve
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.)
Pending
Application number
EP22710372.8A
Other languages
German (de)
English (en)
Inventor
Bernd Bischoff
Stefan Steinhoff
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.)
Grohe AG
Original Assignee
Grohe AG
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 Grohe AG filed Critical Grohe AG
Publication of EP4301937A1 publication Critical patent/EP4301937A1/fr
Pending legal-status Critical Current

Links

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
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/46—Attachment of sealing rings
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
    • F16K31/508—Mechanical actuating means with screw-spindle or internally threaded actuating means the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element

Definitions

  • the present invention relates to an upper valve part with which a flow of a liquid through a liquid channel of the sanitary fitting can be controlled.
  • Sanitary fittings can be used as a shut-off fitting, in particular for shutting off the liquid channel, or as an outlet fitting, in particular for providing a liquid as required in a sink, washbasin, shower and/or bathtub.
  • Upper valve parts regularly have a seal which, when the seal is in a closed position, is pressed against a valve seat of the sanitary fitting and is thereby compressed. Frequent opening and closing of the upper parts of the valve, which occurs particularly often and/or over a very long period of time in sanitary fittings, can therefore lead to wear and ultimately to failure of the seal.
  • the object of the invention is therefore to at least partially solve the problems described with reference to the prior art and in particular to specify a valve top part whose seal is subject to less wear.
  • a sanitary fitting with an upper valve part is to be specified whose seal is subject to less wear.
  • valve top part for a sanitary fitting which has at least the following, contributes to this:
  • valve spindle which is at least partially arranged in the housing and can be rotated about an axis of rotation relative to the housing, - a seal for at least partially closing a valve seat of the sanitary fitting, where the seal is held by the valve spindle parallel to the axis of rotation between an open position and a closed position is adjustable, wherein the seal has a first sealing element made of a first material and a second sealing element made of a second material and wherein a first hardness of the first material is less than a second hardness of the second material.
  • the upper valve part can be used in particular for a sanitary fitting.
  • the sanitary fitting can be designed in the manner of a shut-off fitting with which a liquid channel and/or a liquid line can be shut off.
  • the sanitary fitting can be designed in the manner of an outlet fitting.
  • Outlet fittings are used in particular to provide liquids as required, such as water in particular, for example in sinks, washbasins, showers and/or bathtubs.
  • the sanitary fitting can be supplied with cold water at a cold water temperature and hot water with a hot water temperature, which can be mixed by the sanitary fitting to form mixed water with a desired mixed water temperature.
  • the cold water temperature is in particular a maximum of 25 °C (Celsius), preferably 1 °C to 25 °C, particularly preferably 5 °C to 20 °C, and/or the hot water temperature is in particular a maximum of 90 °C, preferably 25 °C to 90 °C, more preferably 55 °C to 65 °C.
  • the mixed water can then be supplied to an outlet and/or an outlet opening of the sanitary fitting, for example via at least one liquid line and/or via at least one liquid channel.
  • the upper valve part can, for example, be arranged at least partially in a fitting housing of the sanitary fitting.
  • the upper valve part has a housing and a valve stem, which is rotatable about an axis of rotation relative to the housing.
  • the housing can be at least partially made of plastic and/or metal, such as brass.
  • the valve spindle is at least partially arranged in the housing and/or can be rotated by a user about the axis of rotation relative to the cartridge housing with an actuating element, for example in the manner of an actuating handle or actuating lever.
  • the upper valve part also has a seal for at least partially closing a valve seat of the sanitary fitting.
  • the seal can be attached to a closure element of the upper valve part, which can be designed, for example, in the manner of a lifting cone or valve cone.
  • the closure element can consist at least partially of plastic and/or metal, such as brass. The seal or the closure element with the seal can be adjusted between an open position and a closed position with the valve spindle.
  • the valve seat is at least partially open in the open position and closed in the closed position, so that (substantially) no liquid can flow through the valve seat.
  • the seal and/or the closure element can be adjusted by the valve spindle between the open position and the closed position, in particular parallel to the axis of rotation.
  • the seal has a first sealing element made of a first material and a second sealing element made of a second material, with a first hardness of the first material being less than a second hardness of the second material.
  • the sealing elements are, in particular, separate components that are optionally joined to fit together.
  • the sealing elements can in part directly abut one another, that is to say in particular can have contact surfaces that correspond to one another (on the front and/or on the circumference). It is also possible for one sealing element to at least partially (detachably and/or displaceably) accommodate the other sealing element.
  • the sealing elements can form a form-fitting and/or a force-fitting connection. a shape
  • the connection is created by blocking the relative movement of the sealing elements by constructive form elements on at least one of the sealing elements, so that a relative movement in one or more directions is blocked.
  • a non-positive connection generates a normal force on the surfaces of the sealing elements to be connected with one another, so that their mutual displacement is prevented as long as the counterforce caused by the static friction is not exceeded.
  • the first sealing element can consist, for example, at least partially of an elastomer or rubber.
  • the second sealing element can consist, for example, of a metal, such as brass, and/or a plastic, such as polytetrafluoroethylene (PTFE).
  • PTFE polytetrafluoroethylene
  • the first hardness of the first material at a temperature of 23° C. can be, for example, a maximum of 90 Shore A, preferably 50 to 90 Shore A, and/or the second hardness of the second material at a temperature of 23° C over 90 Shore-A, preferably >90 to 100 Shore-A.
  • a sealing contact between the seal and the valve seat or a sealing surface between the seal and the valve seat is formed at least partially by the second sealing element. Since the second hardness of the second material of the second sealing element is greater than the first hardness of the first material of the first sealing element, wear on the seal can be reduced, with the first sealing element simultaneously ensuring sufficient elasticity or deformability of the seal.
  • the first sealing element can serve as a spring element and/or as a resilience aid for the second spring element.
  • the second sealing element can prevent excessive deformation of the first sealing element and/or pressing out of the first sealing element from a receptacle in the seal, thereby preventing cracks in the seal.
  • the first sealing element and/or the second sealing element can be ring-shaped.
  • the first sealing element can have a first outer diameter that is larger than a second outer diameter of the second sealing element.
  • the first outer diameter can be, for example, 15 mm (millimeters) to 30 mm, preferably (approximately) 17 mm.
  • the second outer diameter can be, for example, 12 mm to 16 mm, preferably (approximately) 14 mm.
  • the first sealing element can be arranged on a peripheral surface of the second sealing element.
  • the first sealing element is arranged in particular on an outer peripheral surface of the second sealing element.
  • the second sealing element can be arranged in a groove of the first sealing element.
  • the groove can be formed, for example, on an end face/or a peripheral face of the first sealing element.
  • the second sealing element can have at least one ventilation channel.
  • a space between the first sealing element and the closure element can be ventilated by the ventilation channel, so that in particular no vacuum can develop in this space.
  • the at least one ventilation channel can extend at least partially parallel to the axis of rotation through the second sealing element.
  • a sanitary fitting which has at least the following:
  • valve top part proposed here for at least partially closing the valve seat.
  • the fitting housing can be at least partially made of plastic and/or metal, such as brass, for example. Furthermore, the fitting housing can have at least one liquid inlet and/or at least one liquid outlet for the liquid. Farther the fitting housing can have a valve opening for the upper valve part. The upper part of the valve can be screwed into the valve opening in particular. In addition, the housing and the valve seat can be designed in one piece. During a closing movement of a seal of the upper valve part, a first sealing element of the seal can contact an upper sealing seat surface of the valve seat before a second sealing element of the seal contacts a chamfer of the sealing seat.
  • this can in particular also mean that the seal in the closed position with the first sealing element contacts the upper sealing seat surface of the valve seat and with the second sealing element the (outer and/or inner) chamfer of the valve seat.
  • this can also mean in particular that the seal in the closed position does not contact the (outer/or inner) chamfer of the valve seat with the first sealing element and/or does not contact the upper sealing seat surface of the valve seat with the second sealing element.
  • the closing movement is in particular a movement of the seal in the direction of the valve seat.
  • the chamfer is formed in particular on an inner edge of the sealing seat.
  • the upper sealing seat surface can be an area of the valve seat which is closest to the seal of the valve upper part, particularly when the seal does not contact the valve seat.
  • the upper sealing seat surface can be that area of the valve seat which the seal first contacts during the closing movement.
  • the upper sealing seat surface can, for example, be designed in the manner of an upper sealing seat edge.
  • the upper sealing seat surface can be formed on an end face of the valve seat or on a sleeve-shaped section of the valve seat.
  • the upper sealing seat surface can be ring-shaped and/or (substantially) linear.
  • the valve seat may have an outer chamfer and an inner chamfer. The outer chamfer and inner chamfer are formed in particular on the inner edge of the sealing seat. The outer chamfer may be formed outside the inner chamfer in a radial direction of the valve seat.
  • the outer chamfer may extend inward in the radial direction from the upper sealing seat surface and/or the inner chamfer may extend outward in the radial direction from an inner surface of the valve seat.
  • the outer bevel can have a first opening angle and/or the inner phase can have a second opening angle.
  • the first opening angle can be, for example, 110° to 170°, preferably 148° to 152°, particularly preferably (approximately) 150°.
  • the second opening angle can be, for example, 60° to 90°, preferably 74° to 80°, particularly preferably (approximately) 77°.
  • a first sealing element of the seal can contact the outer chamfer of the valve seat before a second sealing element of the seal contacts the inner chamfer of the valve seat.
  • This can also mean, among other things, that during the closing movement the seal first contacts the valve seat with the first sealing element on the outer bevel and only after a further movement of the seal in the direction of the closed position does the seal with the second sealing element (also) contact the inner bevel of the valve seat contacted.
  • this can in particular also mean that the seal in the closed position with the first sealing element contacts the outer chamfer of the valve seat and with the second sealing element the inner chamfer of the valve seat.
  • this can mean in particular that the seal in the closed position does not contact the inner chamfer of the valve seat with the first sealing element and/or the outer chamfer of the valve seat with the second sealing element.
  • valve upper part proposed here is proposed for maintenance-friendly and low-wear sealing of lines and/or components of a sanitary fitting.
  • the explanations for the upper part of the valve and/or the sanitary fitting can be used in full to specify this use.
  • 1 a sanitary fitting with a first variant of a valve upper part in a longitudinal section
  • 2 a detailed view of a valve seat of the sanitary fitting
  • FIG. 1 shows a sanitary fitting 2 in a longitudinal section, which is designed here in the manner of a Absperrven TILs.
  • the sanitary fitting 2 comprises a fitting housing 15 with a liquid inlet 20 and a liquid outlet 19.
  • the liquid inlet 20 and the liquid outlet 19 are coaxial with one another and coaxial with a housing longitudinal axis 21 of the fitting housing 15.
  • a liquid feed line (not shown here) can be connected to the liquid inlet 20 and a liquid discharge line (not shown here) can be connected to the liquid outlet 19 .
  • the liquid inlet 20 and the liquid outlet 19 can each have a thread.
  • the thread can be a 1/4 inch internal thread, for example.
  • the liquid inlet 20 is connected to the liquid outlet 19 via a liquid channel 22 .
  • a valve seat 7 for a seal 6 of a first variant of a valve upper part 1 is formed in fitting housing 15 .
  • the valve seat 7 is ring-shaped here and extends parallel to the housing longitudinal axis 21 of the fitting housing 15 and co-axially with an axis of rotation 5 of a valve spindle 4 of the upper valve part 1.
  • the upper valve part 1 comprises a housing 3, which has a first thread 23 in a Valve opening 24 of the fitting housing 15 is screwed.
  • the housing 3 is designed in the manner of a headpiece.
  • the first thread 23 can be, for example, a 3/8 inch thread, 1/2 inch thread, 3/4 inch thread or 1 inch thread.
  • the valve opening 24 is coaxial with the axis of rotation 5 and orthogonal to the longitudinal axis 21 of the fitting housing 15 .
  • the seal 6 is arranged on a first longitudinal end 25 of a closure element 26 of the upper valve part 1 facing the sealing seat 7 .
  • the closure element 26 has a tubular section 27 from, into which the valve spindle 4 extends.
  • the valve spindle 4 is connected to the closing element 26 via a second thread 33 .
  • valve spindle 4 Since the valve spindle 4 is firmly connected to the housing 3 of the upper valve part 1 parallel to the axis of rotation 5, the closure element 26 with the seal 6 can be adjusted between a closed position and an open position by rotating the valve spindle 4 about the axis of rotation 5 parallel to the axis of rotation 6.
  • the valve spin del 4 is at a second longitudinal end 28 with an actuating element, not shown here, for example in the manner of an operating handle, connectable, via which the valve spin del 4 by a user to open and / or close the sanitary fitting 2 about the axis of rotation 5 is rotatable.
  • the closed position the seal 6 is pressed against the valve seat 7 so that (substantially) no liquid can flow through the valve seat 7 .
  • the seal 6 In the open position, the seal 6 is lifted off the valve seat 7 so that the liquid can flow through the valve seat 7 .
  • FIG. 2 shows a detailed view of the first variant of the upper valve part 1 in an area marked with a first circle 29 in FIG.
  • the valve seat 7 includes a sleeve-shaped section 34 which extends along a sealing seat axis 32 and in the direction of the seal 6 shown in FIG.
  • the sealing seat axis 32 runs coaxially with the axis of rotation 5 shown in FIG.
  • the outside diameter of the valve seat 30 can be, for example, at least 15 mm, preferably 15 mm to 17 mm, particularly preferably (approximately) 16 mm.
  • the valve seat inner diameter 31 can be, for example, at most 12 mm, preferably 11 mm to 12 mm, particularly preferably (approximately) 11.5 mm.
  • the sealing seat 7 has an upper sealing seat surface 18, which is an area of the valve seat 7 that is closest to the seal 6 of the upper valve part 1 shown in FIG.
  • the upper sealing seat surface 18 is designed here in the manner of an upper (annular) sealing seat edge.
  • the upper sealing seat surface 18 is formed on an end face 35 of the sleeve-shaped section 34 of the valve seat 7 .
  • the valve seat 7 has an outer chamfer on an inner edge 36
  • the outer chamfer 16 is closer to the sealing device 6 of the upper valve part 1 shown in FIG. 1 than the inner seal 17. Furthermore, the outer chamfer 16 is in a radial direction 37 of the valve seat 7 (to the sealing seat axis 32) outside the inner chamfer 17 trained. The outer chamfer 16 extends inward from the upper sealing seat surface 18 in the radial direction 37 and the inner chamfer 17 from an inner surface 38 of the
  • Valve seat 7 in the radial direction 37 to the outside.
  • the intermediate diameter 39 can be, for example, 12.5 mm to 13.5 mm, preferably (approximately) 13 mm.
  • the outer bevel 16 has a first opening angle 40 and the inner bevel 17 has a second opening angle 41 Publ.
  • Fig. 3 shows a detailed view of a part of the first variant of the upper valve part 1 marked with a second circle 42 in Fig. 1. Only an area of the upper valve part 1 is shown in Fig. 3, which is below a 1 shown section surface 43 is located.
  • the seal 6 is arranged at the first longitudinal end 25 of the closure element 26 in an annular receptacle 44 of the closure element 26 and is secured in the annular receptacle 44 with a fastening element 45 .
  • the fastener 45 may be a nut, hex nut, bolt, or pan head screw. Farther on, the fastening element 45 can be designed in the manner of a pin protruding from the closure element 26 . This can have an undercut that holds the seal 6 in position.
  • the fastening element 45 is screwed onto a pin 46 of the closure element 26 which extends parallel to the axis of rotation 5 in the direction of the valve seat 7 .
  • the seal 6 comprises a first sealing element 8 made of a first material and a second sealing element 9 made of a second material, with a first hardness of the first material being less than a second hardness of the second material.
  • the first sealing element 8 and the second sealing element 9 are ring-shaped, with the second sealing element 9 being arranged in a groove 13 of the first sealing element 8 .
  • the first sealing element 8 has a first outer diameter 10 which is larger than a second outer diameter 11 of the second sealing element 9.
  • the first sealing element 8 and the second sealing element 9 have an inner diameter 47.
  • the inner diameter 47 can be, for example, 3 mm to 10 mm, preferably 4 mm to 6 mm, particularly preferably (approximately) 5 mm.
  • the first sealing element 8 extends in an axial direction 48, ie parallel to the axis of rotation 5, with a first length 49 and the second sealing element 9 with a second length 50.
  • the first length 49 can, for example, be at least 2 mm, preferably 2 mm to 5 mm, particularly preferably (approximately) 3.5 mm.
  • the second length 50 can, for example, be a maximum of 4 mm, preferably 0.5 mm to 3 mm, particularly preferably (approximately) 1 mm.
  • the second sealing element 9 is here in the manner of a Support disc formed.
  • the first sealing element 8 and the second sealing element 9 are designed in such a way that the seal 6 has a rectangular cross-sectional area 51 .
  • the first sealing element 8 contacts the upper sealing seat surface 18 of the valve seat 7, so that between the first sealing element 8 and the upper sealing seat surface 18 a first sealing surface is formed. If the seal 6 moves further in the direction of the closed position and/or in the direction of the valve seat 7, the first sealing element 8 is elastically deformed by the upper sealing seat surface 18 until the second sealing element 9 of the seal 6 with its outer edge 52 is the outer bevel 16 of the valve seat 7 contacted.
  • a second sealing surface is formed between the second sealing element 9 and the outer bevel 16 , which is initially linear and becomes flat as the movement of the seal 6 progresses in the direction of its closed position, as a result of which the seal 6 closes the valve seat 7 .
  • the second sealing element 9 prevents excessive deformation of the first sealing element 8 by the upper sealing seat surface 18, so that excessive stress on the first sealing element 8 is prevented.
  • the second hardness of the second material of the second sealing element 9 allows, in particular, an elastic deformation of the second sealing element 9 when the seal 6 is in the closed position.
  • FIG. 4 shows a detailed view of a second variant of the upper valve part 1 in the area marked with the second circle 42 in FIG.
  • the second variant of the upper valve part 1 differs from the first variant of the upper valve part 1 only by a differently designed seal 6.
  • the seal 6 also comprises a first sealing element 8 made of a first material and a second sealing element 9 made of a second material a first hardness of the first material is less than a second hardness of the second material.
  • the first sealing element 8 and the second sealing element 9 are ring-shaped, with the first sealing element 8 being arranged on a peripheral surface 12 of the second sealing element 9 .
  • the first sealing element 8 can, for example, consist of a cut hose seal generated or manufactured as an off-tool part.
  • the first sealing element 8 has a first outer diameter 10 which is larger than a second outer diameter 11 of the second sealing element 9. Furthermore, the first sealing element 8 and the second sealing element 9 have an inner diameter 47.
  • the first sealing element 8 extends in the axial direction 48 with a first length 49 and the second sealing element 9 with a second length 50, the first length 49 and the second length 50 being identical here.
  • the first length 49 and the second length 50 can be, for example, at least 2 mm, preferably 2 mm to 5 mm, particularly preferably (approximately) 3.5 mm.
  • the second sealing element 9 can be designed, for example, as a part falling off the tool or as a turned part. Furthermore, the second sealing element 9 can be cut from a semi-finished tube.
  • the first sealing element 8 and the second sealing element 9 are designed in such a way that the seal 6 has a rectangular cross-sectional area 51 .
  • the first sealing element 8 contacts the upper sealing seat surface 18 of the valve seat 7, so that between the first sealing element 8 and the upper sealing seat surface 18 is formed from a first sealing surface.
  • the first sealing element 8 is elastically deformed by the upper sealing seat surface 18 until the second sealing element 9 of the seal 6 with its outer edge 52 the outer bevel 16 of the valve seat 7 contacted.
  • a second sealing surface is formed between the second sealing element 9 and the outer bevel 16, which is linear to the next and is flat as the movement of the seal 6 progresses towards its closed position, as a result of which the seal 6 closes the valve seat 7.
  • a main sealing contact between the valve seat 7 and the seal 6 can occur in particular through the second sealing surface between the second sealing element 9 and the outer chamfer 16, with the sealing contact through the first sealing surface between the first sealing element 8 and the upper sealing seat surface 18 is supported.
  • the second sealing element 9 prevents excessive deformation of the first sealing element 8 by the upper sealing seat surface 18, so that excessive stress on the first sealing element 8 is prevented.
  • FIG. 5 shows a detailed view of a third variant of the upper valve part 1 in the area marked with the second circle 42 in FIG.
  • the third variant of the upper valve part 1 differs from the first and second variant of the upper valve part 1 only by a differently designed seal 6.
  • the seal 6 comprises a first sealing element 8 made of a first material and a second sealing element 9 made of a second material, with a first Hardness of the first material is less than a second hardness of the second material.
  • the first sealing element 8 and the second sealing element 9 are ring-shaped, with the first sealing element 8 being arranged on a peripheral surface 12 of the second sealing element 9 .
  • the first sealing element 8 is designed here in the manner of an O-ring.
  • a cross-sectional area 51 of the first sealing element 8 has a cross-sectional diameter 53 .
  • the cross-sectional diameter 53 can be, for example, at least 1 mm, preferably 1 mm to 5 mm, particularly preferably (approximately) 3.5 mm.
  • the second sealing element 9 is designed in the manner of a support ring, which holds the first sealing element 8 or prevents the first sealing element 8 from becoming detached from the closure element 26 .
  • the second sealing element 9 can be designed, for example, as a part falling off the tool and has a second diameter 11 .
  • the second diameter 11 can be, for example, 12 mm to 13 mm, preferably (approximately) 12.5 mm.
  • the first sealing element 8 is elastically deformed by the outer bevel 16 until the second sealing element 9 of the seal 6 with its outer edge 52 the inner Chamfer 17 of the valve seat 7 contacted.
  • a second sealing surface is formed, which is initially linear and becomes flat as the movement of the seal 6 progresses in the direction of its closed position, as a result of which the seal 6 closes the valve seat 7 .
  • a main sealing contact between the valve seat 7 and the seal 6 can come about in particular through the second sealing surface between the second sealing element 9 and the inner chamfer 17, with the sealing contact being supported by the first sealing surface between the first sealing element 8 and the outer chamfer 16 becomes. Since the second sealing element 9 prevents excessive deformation of the first sealing element 8 by the outer bevel 16, so that excessive stress on the first sealing element 8 is prevented. The second hardness of the second material of the second sealing element 9 allows in particular an elastic deformation of the second sealing element 9 when the seal 6 is in the closed position.
  • the second sealing element 9 also has a plurality of ventilation channels 14 through which a space 54 between the first sealing element 8 and the closure element 26 can be ventilated. This can prevent a vacuum from forming in the space 54 .
  • the ventilation channels 14 extend parallel to the axis of rotation 5 completely through the second sealing element 9.
  • FIG. 6 shows a detailed view of a fourth variant of the upper valve part 1 in the area marked with the second circle 42 in FIG.
  • the fourth variant of the upper valve part 1 differs from the first to third variants of the upper valve part 1 only by a differently designed seal 6.
  • the seal 6 also comprises a first sealing element 8 made of a first material and a second sealing element 9 made of a second material , wherein a first hardness of the first material is less than a second hardness of the second material.
  • the first sealing element 8 and second sealing element 9 are ring-shaped, with the first sealing element 8 being arranged on a peripheral surface 12 of the second sealing element 9 .
  • the first sealing element 8 has a first outer diameter 10 and the second sealing element 9 has a second outer diameter 11 .
  • first sealing element 8 and the second sealing element 9 have an inner diameter 47 .
  • the inside diameter knife 47 can be, for example, 3 mm to 10 mm, preferably 4 mm to 6 mm, particularly preferably (approximately) 5 mm.
  • first sealing element 8 has a first length 49 parallel to the axis of rotation 5 and the second sealing element 9 has a second length 50 parallel to the axis of rotation 5, the first length 49 and the second length 50 being identical.
  • the first length 49 and the second length 50 can be, for example, at least 2 mm, preferably 2 mm to 5 mm, particularly preferably (approximately) 3.5 mm.
  • the first sealing element 8 can be produced, for example, as a tool-off-the-shelf part and/or has no undercuts.
  • a cross-sectional area 51 of the first sealing element 8 has a V-shaped area 55 with a third opening angle 56 .
  • the opening angle 56 can be, for example, 20° to 150°, preferably 30° to 50°, particularly preferably (approximately) 40°.
  • the second sealing element 9 has on its peripheral surface 12 a corresponding V-shaped groove 13 in which the first sealing element 8 is arranged. The first sealing element 8 is in particular snapped onto the second sealing element 9 . Both the first sealing element 8 and the second sealing element 9 are thus captively connected to the closure element 26 via the fastening element 45 .
  • the second sealing element 9 can be designed, for example, as a part falling off the tool and/or without undercuts.
  • the first sealing element 8 and the second sealing element 9 are designed in such a way that the seal 6 has a rectangular cross-sectional area 51 .
  • the first sealing element 8 and the second sealing element 9 are designed symmetrically, so that no special alignment is required when assembling the upper valve part 1 .
  • the first sealing element 8 contacts the upper sealing seat surface 18 of the valve seat 7, so that between the first sealing element 8 and the upper sealing seat surface 18 a first sealing surface is formed.
  • the first sealing element 8 is elastically deformed by the upper sealing seat surface 18 until the second sealing element 9 of the seal 6 with its outer edge 52 touches the outer chamfer 16 of the valve seat 7 contacted.
  • a second sealing surface is formed between the second sealing element 9 and the outer bevel 16, which is initially linear and as the movement of the seal 6 progresses towards its closed position, it becomes surface-shaped, as a result of which the seal 6 closes the valve seat 7 .
  • a main sealing contact between the valve seat 7 and the seal 6 can come about in particular through the second sealing surface between the second sealing element 9 and the outer chamfer 16, the sealing contact being supported by the first sealing surface between the first sealing element 8 and the upper sealing seat surface 18.
  • the second sealing element 9 prevents excessive deformation of the first sealing element 8 by the upper sealing seat surface 18, so that excessive stress on the first sealing element 8 is prevented.
  • the second hardness of the second material of the second sealing element 9 allows in particular an elastic deformation of the second sealing element 9 when the seal 6 is in the closed position.
  • a cheek 57 of the groove 13 of the second sealing element 9 is elastically deformable.
  • FIG. 7 shows a detailed view of a fifth variant of the upper valve part 1 in the area marked with the second circle 42 in FIG.
  • the fifth variant of the upper valve part 1 differs from the first to fourth variants of the upper valve part 1 only by a differently designed seal 6.
  • the seal 6 comprises a first sealing element 8 made of a first material and a second sealing element 9 made of a second material. wherein a first hardness of the first material is less than a second hardness of the second material.
  • the first sealing element 8 and second sealing element 9 are ring-shaped, with the first sealing element 8 being arranged in a groove 13 of the second sealing element 9 .
  • the first sealing element 8 has a first outer diameter 10 and the second sealing element 9 has a second outer diameter 11, the first outer diameter 10 and the second outer diameter 11 being identical.
  • the first outside diameter 10 and the second outside diameter 10 can be, for example, at least 15 mm, preferably 15 mm to 19 mm, particularly preferably (approximately) 17 mm.
  • the first sealing element 8 and the second sealing element 9 have an inner diameter 47 .
  • the inner diameter 47 can be, for example, 3 mm to 10 mm, preferably 4 mm to 6 mm, particularly preferably (approximately) 5 mm.
  • the first sealing element 8 extends in an axial direction 48, ie parallel to the Axis of rotation 5, with a first length 49 and the second sealing element 9 with a second length 50.
  • the first length 49 can, for example, be at least 2 mm, preferably 2 mm to 5 mm, particularly preferably (approximately) 2.5 mm.
  • the second length 50 can be, for example, at least 3 mm, preferably 3 mm to 5 mm, particularly preferably (approximately) 3.8 mm.
  • the first sealing element 8 can be designed as a part falling off the tool and/or without undercuts.
  • the second sealing element 9 is formed here in the manner of a plate washer.
  • the second sealing element 9 can be designed as an off-tool part and/or without undercuts.
  • the second sealing element 9 has an outer contour 58 which follows a contour of the outer chamfer 16 of the valve seat 7 and an upper sealing seat surface 18 of the valve seat 7 . This results in a closing movement of the seal 6 at a first contact between the second sealing element 9 and the valve seat 7 no line contact, which leads to a lower surface pressure. With a further movement of the seal 6 in the direction of the closed position, the second sealing element 9 is deformed in such a way that the second sealing element 9 rolls on the upper sealing seat surface 18 of the valve seat 7 and in the process creates a linear contact.
  • the first sealing element 8 is arranged between the second sealing element 9 and the closing element 26 and, in the fifth variant of the upper valve part 1, serves in particular as a return spring or spring-back aid for the second sealing element 9.
  • valve seat 8 first sealing element
  • liquid inlet 21 housing longitudinal axis 22 liquid channel 23 first thread
  • valve seat inner diameter 32 sealing seat axis

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Lift Valve (AREA)

Abstract

L'invention concerne une partie supérieure de vanne (1) pour un appareil sanitaire (2), comprenant au moins : - un boîtier (3), - une tige de vanne (4), qui est au moins partiellement disposée dans le boîtier (3) et est apte à tourner par rapport au boîtier (3) autour d'un axe de rotation (5), - un joint d'étanchéité (6) pour fermer au moins partiellement un siège de vanne (7) de l'appareil sanitaire (2), le joint d'étanchéité (6) pouvant être déplacé par la tige de vanne (4) parallèle à l'axe de rotation (5) entre une position ouverte et une position fermée, le joint d'étanchéité (6) comportant un premier élément d'étanchéité (8) constitué d'un premier matériau et un second élément d'étanchéité (9) constitué d'un second matériau et une première dureté du premier matériau étant inférieure à une seconde dureté du second matériau. L'invention concerne en outre un appareil sanitaire (2) doté d'une partie supérieure de vanne (1) ce type.
EP22710372.8A 2021-03-04 2022-03-03 Partie supérieure de vanne pour un appareil sanitaire et appareil sanitaire doté d'une partie supérieure de vanne Pending EP4301937A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021105194.0A DE102021105194A1 (de) 2021-03-04 2021-03-04 Ventiloberteil für eine Sanitärarmatur und Sanitärarmatur mit Ventiloberteil
PCT/EP2022/055437 WO2022184844A1 (fr) 2021-03-04 2022-03-03 Partie supérieure de vanne pour un appareil sanitaire et appareil sanitaire doté d'une partie supérieure de vanne

Publications (1)

Publication Number Publication Date
EP4301937A1 true EP4301937A1 (fr) 2024-01-10

Family

ID=80775226

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22710372.8A Pending EP4301937A1 (fr) 2021-03-04 2022-03-03 Partie supérieure de vanne pour un appareil sanitaire et appareil sanitaire doté d'une partie supérieure de vanne

Country Status (5)

Country Link
US (1) US20240229430A9 (fr)
EP (1) EP4301937A1 (fr)
CN (1) CN117178099A (fr)
DE (1) DE102021105194A1 (fr)
WO (1) WO2022184844A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US763208A (en) 1904-03-16 1904-06-21 James Robinson Stop-valve.
US2131928A (en) 1935-09-30 1938-10-04 Baldwin Reinhold Slush pump valve and the like
GB875446A (en) * 1956-11-12 1961-08-23 Baltzar Carl Von Platen Improvements in or relating to cocks
CH619760A5 (en) * 1977-04-28 1980-10-15 Karrer Ag Weber & Cie Shut-off and regulating valve
GB2224335B (en) * 1986-05-16 1990-09-12 Nupro Co Valve
US5878993A (en) * 1997-03-27 1999-03-09 St. Germain; Stephen V. Shielded globe valve seal mechanism
US20060219973A1 (en) * 2005-04-04 2006-10-05 Hoeptner Herbert W Faucet sealing

Also Published As

Publication number Publication date
CN117178099A (zh) 2023-12-05
US20240229430A9 (en) 2024-07-11
WO2022184844A1 (fr) 2022-09-09
DE102021105194A1 (de) 2022-09-08
US20240133164A1 (en) 2024-04-25

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