Single lever cartridge for a sanitary faucet
A single-lever cartridge for adjusting mixed water by a swivel lever, having a control disk arrangement, which has a stationary control disk in a stationary position in the cartridge, in which a cold-water inlet and a hot-water inlet and a mixed-water outlet are formed, and a dynamic control disk displaceable by the swivel lever, in which a recess is formed, which is disposed in different overlaps with the cold-water inlets and hot-water inlets and the mixed-water outlet to adjust the mixed water fed from the mixed-water outlet of the stationary control disk, wherein the two control disks are in sliding contact with sealing surfaces facing each other at a sealing plane, and wherein the mouths of the cold-water inlets and hot-water inlets are formed in the sealing surface of the stationary control disk, which mouths can be covered by the sealing surface of the dynamic control disk.
1. A single-lever cartridge for a sanitary faucet comprising:
a swivel lever ( 3 ) for adjusting temperature and/or quantity of mixed water, and
a control disk arrangement ( 5 ) comprising:
a stationary control disk ( 6 ) disposed in a stationary manner in the single-lever cartridge, and
a dynamic control disk ( 8 ) displaceable by the swivel lever ( 3 ),
wherein the stationary control disk ( 6 ) has a cold-water inlet ( 29 ), a hot-water inlet ( 27 ), and a mixed-water outlet ( 31 ) formed therein,
wherein the dynamic control disk ( 8 ) has a recess ( 33 ) formed therein,
wherein the dynamic control disk ( 8 ) can be brought into different overlaps with the cold-water inlet ( 29 ), the hot-water inlet ( 27 ), and the mixed-water outlet ( 31 ) to adjust the temperature and/or quantity of mixed water routed from the mixed-water outlet ( 31 ) of the stationary control disk ( 6 ),
wherein the stationary control disk ( 6 ) has a sealing surface ( 35 ) and the dynamic control disk ( 8 ) has a sealing surface ( 37 ), the stationary control disk ( 6 ) and the dynamic control disk ( 8 ) being in sliding contact via the sealing surfaces ( 35 , 37 ) thereof that are facing each other at a sealing plane (DE),
wherein mouths ( 39 ), which the sealing surface ( 37 ) of the dynamic control disk ( 8 ) of the cold-water inlet ( 29 ) and the hot-water inlet ( 27 ) can cover, are formed in the sealing surface ( 35 ) of the stationary control disk ( 6 ),
wherein the cartridge has a throttle element ( 41 ) as a separate component, which can be used to reduce a flow cross section of the mouths ( 39 ) of the cold-water inlet ( 29 ) and the hot-water inlet ( 27 ), for throttling hot-water flow and/or cold-water flow into the recess ( 33 ) of the dynamic control disk ( 8 ), and
wherein the throttle element ( 41 ) is cup-shaped, having a throttle bottom ( 43 ) and a shell ( 45 ) rising therefrom, wherein the throttle bottom ( 43 ) has throttle openings ( 55 ), which throttle bottom ( 43 ), at its bottom end facing the sealing surface ( 35 ) of the stationary control disk ( 6 ), is flush with the sealing plane (DE) and/or is in sliding contact with the sealing surface ( 35 ) of the stationary control disk ( 6 ),
wherein the control disk arrangement ( 5 ) has a slide plate ( 17 ) mounted in a stationary manner at the dynamic control disk ( 8 ), at which slide plate a bearing position ( 19 ) is formed for an axle connection ( 15 ) at the swivel lever ( 3 ), and in that the shell ( 45 ) of the throttle element ( 41 ) merges into an outwardly angled retaining flange ( 47 ) at its rim remote from the bottom, wherein the retaining flange ( 47 ) is secured between the dynamic control disk ( 8 ) and the slide plate ( 17 ), and in that the retaining flange ( 47 ) of the throttle element ( 41 ) is pressed against the dynamic control disk ( 8 ) by means of a spring ( 69 ).
2. The single-lever cartridge according to claim 1 , wherein the shell ( 45 ) of the throttle element ( 41 ) has a closed surface.
3. The single-lever cartridge according to claim 2 , wherein the shell ( 45 ) is in gap-free contact with an inner wall of the dynamic control disk ( 8 ) delimiting the recess ( 33 ).
4. The single-lever cartridge according to claim 1 , wherein the throttle bottom ( 43 ) of the throttle element ( 41 ) is divided into a first bottom segment ( 51 ) having throttle openings ( 55 ), which, at its bottom end facing the sealing surface ( 35 ) of the stationary control disk ( 6 ), is flush with the sealing plane (DE) and/or is in sliding contact with the sealing surface ( 35 ) of the stationary control disk ( 6 ), and into a second bottom segment ( 49 ) having throttle openings ( 55 ), which bottom segment is spaced apart from the sealing plane (DE) by a distance (Δy).
5. The single-lever cartridge according to claim 1 , wherein the recess ( 33 ) formed in the dynamic control disk ( 8 ) forms a mixing chamber ( 34 ) in conjunction with the mixed-water outlet ( 31 ) in the stationary control disk ( 6 ), and in that the throttle element ( 41 ) divides the mixing chamber ( 34 ) into a first inlet-end sub-chamber ( 57 ) and a second outlet-end sub-chamber ( 59 ), wherein a cold and/or hot water flow at the inlet end initially flows completely through the first inlet-end sub-chamber ( 57 ) and exits into the second outlet-end sub-chamber ( 59 ) at the throttle openings ( 55 ) of the second bottom segment ( 49 ).
6. The single-lever cartridge according to claim 1 , wherein the shell ( 45 ) is a circumferentially closed shell.
7. A single-lever cartridge for a sanitary faucet comprising:
a swivel lever ( 3 ) for adjusting temperature and/or quantity of mixed water, and
a control disk arrangement ( 5 ) comprising:
a stationary control disk ( 6 ) disposed in a stationary manner in the single-lever cartridge, and
a dynamic control disk ( 8 ) displaceable by the swivel lever ( 3 ),
wherein the stationary control disk ( 6 ) has a cold-water inlet ( 29 ), a hot-water inlet ( 27 ), and a mixed-water outlet ( 31 ) formed therein,
wherein the dynamic control disk ( 8 ) has a recess ( 33 ) formed therein,
wherein the dynamic control disk ( 8 ) can be brought into different overlaps with the cold-water inlet ( 29 ), the hot-water inlet ( 27 ), and the mixed-water outlet ( 31 ) to adjust the temperature and/or quantity of mixed water routed from the mixed-water outlet ( 31 ) of the stationary control disk ( 6 ),
wherein the stationary control disk ( 6 ) has a sealing surface ( 35 ) and the dynamic control disk ( 8 ) has a sealing surface ( 37 ), the stationary control disk ( 6 ) and the dynamic control disk ( 8 ) being in sliding contact via the sealing surfaces ( 35 , 37 ) thereof that are facing each other at a sealing plane (DE),
wherein mouths ( 39 ), which the sealing surface ( 37 ) of the dynamic control disk ( 8 ) of the cold-water inlet ( 29 ) and the hot-water inlet ( 27 ) can cover, are formed in the sealing surface ( 35 ) of the stationary control disk ( 6 ),
wherein the cartridge has a throttle element ( 41 ) as a separate component, which can be used to reduce a flow cross section of the mouths ( 39 ) of the cold-water inlet ( 29 ) and the hot-water inlet ( 27 ), for throttling hot-water flow and/or cold-water flow into the recess ( 33 ) of the dynamic control disk ( 8 ),
wherein the throttle element ( 41 ) has a throttle bottom ( 43 ) having throttle openings ( 55 ), which throttle bottom ( 43 ), at its bottom end facing the sealing surface ( 35 ) of the stationary control disk ( 6 ), is flush with the sealing plane (DE) and/or is in sliding contact with the sealing surface ( 35 ) of the stationary control disk ( 6 ),
wherein the recess ( 33 ) formed in the dynamic control disk ( 8 ) forms a mixing chamber ( 34 ) in conjunction with the mixed-water outlet ( 31 ) in the stationary control disk ( 6 ), and in that the throttle element ( 41 ) divides the mixing chamber ( 34 ) into a first inlet-end sub-chamber ( 57 ) and a second outlet-end sub-chamber ( 59 ), wherein a cold and/or hot water flow at the inlet end initially flows completely through the first inlet-end sub-chamber ( 57 ) and exits into the second outlet-end sub-chamber ( 59 ) at the throttle openings ( 55 ) of the second bottom segment ( 49 ), and
wherein a cleaning unit ( 61 ) is disposed in the first inlet-end sub-chamber ( 57 ), which cleaning unit prevents the throttle openings ( 55 ) from being clogged by limescale.
8. The single-lever cartridge according to claim 7 , wherein the cleaning unit ( 61 ) has a baffle plate ( 63 ), which is spaced apart from the throttle openings ( 55 ), which is disposed loosely in the first inlet-end sub-chamber ( 57 ) and from which cleaning pins ( 65 ) project, which are guided through the throttle openings ( 55 ) with hole clearance, and in that the flow pressure of the cold and/or hot water flowing into the first inlet-end sub-chamber ( 57 ) moves the baffle plate ( 63 ) in conjunction with the cleaning pins ( 65 ) and as a result clogging of the throttle openings ( 55 ) by limescale is prevented.
9. A single-lever cartridge for a sanitary faucet comprising:
a swivel lever ( 3 ) for adjusting temperature and/or quantity of mixed water, and
a control disk arrangement ( 5 ) comprising:
a stationary control disk ( 6 ) disposed in a stationary manner in the single-lever cartridge, and
a dynamic control disk ( 8 ) displaceable by the swivel lever ( 3 ),
wherein the stationary control disk ( 6 ) has a cold-water inlet ( 29 ), a hot-water inlet ( 27 ), and a mixed-water outlet ( 31 ) formed therein,
wherein the dynamic control disk ( 8 ) has a recess ( 33 ) formed therein,
wherein the dynamic control disk ( 8 ) can be brought into different overlaps with the cold-water inlet ( 29 ), the hot-water inlet ( 27 ), and the mixed-water outlet ( 31 ) to adjust the temperature and/or quantity of mixed water routed from the mixed-water outlet ( 31 ) of the stationary control disk ( 6 ),
wherein the stationary control disk ( 6 ) has a sealing surface ( 35 ) and the dynamic control disk ( 8 ) has a sealing surface ( 37 ), the stationary control disk ( 6 ) and the dynamic control disk ( 8 ) being in sliding contact via the sealing surfaces ( 35 , 37 ) thereof that are facing each other at a sealing plane (DE),
wherein mouths ( 39 ), which the sealing surface ( 37 ) of the dynamic control disk ( 8 ) of the cold-water inlet ( 29 ) and the hot-water inlet ( 27 ) can cover, are formed in the sealing surface ( 35 ) of the stationary control disk ( 6 ),
wherein the cartridge has a throttle element ( 41 ) as a separate component, which can be used to reduce a flow cross section of the mouths ( 39 ) of the cold-water inlet ( 29 ) and the hot-water inlet ( 27 ), for throttling hot-water flow and/or cold-water flow into the recess ( 33 ) of the dynamic control disk ( 8 ), and
wherein the throttle element ( 41 ) has a throttle bottom ( 43 ) having throttle openings ( 55 ), which throttle bottom ( 43 ), at its bottom end facing the sealing surface ( 35 ) of the stationary control disk ( 6 ), is flush with the sealing plane (DE) and/or is in sliding contact with the sealing surface ( 35 ) of the stationary control disk ( 6 ),
wherein the throttle bottom ( 43 ) of the throttle element ( 41 ) is divided into a first bottom segment ( 51 ) having throttle openings ( 55 ), which, at its bottom end facing the sealing surface ( 35 ) of the stationary control disk ( 6 ), is flush with the sealing plane (DE) and/or is in sliding contact with the sealing surface ( 35 ) of the stationary control disk ( 6 ), and into a second bottom segment ( 49 ) having throttle openings ( 55 ), which bottom segment is spaced apart from the sealing plane (DE) by a distance (Δy), and
wherein the two bottom segments ( 49 , 51 ) merge into one another at a closed-surface transition section ( 53 ).