Classifications

• • E—FIXED CONSTRUCTIONS
  • E03—WATER SUPPLY; SEWERAGE
  • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
  • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
  • E03D9/002—Automatic cleaning devices
• • E—FIXED CONSTRUCTIONS
  • E03—WATER SUPPLY; SEWERAGE
  • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
  • E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
  • E03D11/12—Swivel-mounted bowls, e.g. for use in restricted spaces slidably or movably mounted bowls; combinations with flushing and disinfecting devices actuated by the swiveling or sliding movement of the bowl

Definitions

• the present invention relates to a device of the bowl type for sanitary installation with automatic cleaning.
• the present invention aims to overcome these drawbacks by proposing a device of the bowl type, for example WC bowl, provided with means allowing, in an automatic manner, a complete washing of the bowl and of the seat or seat.
• object of the invention is to provide a sanitary device of the bowl type in which the washing of the seat and its drying are carried out without direct contact with the latter.
• the present invention therefore relates to a device of the bowl type for sanitary installation, with automatic cleaning, this device being essentially characterized in that are associated with the bowl itself, which is mounted vertically on a main chassis and is connected by a lower neck to a siphon connected to a drain pipe:
• the invention is further remarkable by the following points:
• the washing and drying means consist of a washing head pivotally mounted with respect to a fixed horizontal geometric axis with respect to the chassis, and pivotally actuated by motor means around this axis, between a rest position according to which it is embedded in the bowl device and an operating position according to which it is in superposition relation with the bowl, while being offset with respect to the seat or seat so as to extend beyond its front part towards the interior of said bowl, said head according to this operating position is spaced from said tank,
• the washing head advantageously comprises a first nozzle located at the free end of a flexible pipe connected to the corresponding washing fluid supply system, this first nozzle being located in the front zone of the washing head, a second nozzle located behind the first at the free end of a second flexible pipe connected to the corresponding washing fluid supply system and a third nozzle mounted at the free end of a third pipe connected to the system supply of drying fluid, said first nozzle when said head is in the use position is located above the interior of the bowl while the other two are located above the seat of the bowl, said nozzles being away from the bowl and seat.
• the washing fluid used both for cleaning the bowl and for cleaning the seat is water, the introduction of this water into the bowl causing the latter to be emptied.
• the means allowing the rotation of the bowl relative to the chassis, on itself and around a vertical geometric axis are constituted by a guide bearing in integral rotation of the chassis on the one hand, and of the bowl on the other hand, and of a motor member comprising a rotary output shaft communicating its rotational movement to the bowl via a transmission of the circular movement which is engaged on the one hand with said cup and on the other hand with said output shaft of the drive member.
• the motor means for pivotally actuating the washing head between the rest position and the position of use are constituted by a hydraulic cylinder supplied by a hydraulic circuit connected to a source of hydraulic pressure, said cylinder being mechanically secured on the one hand, to the washing head and on the other hand, to the chassis.
• the hydraulic cylinder is of the single-acting type and its supply causes the transfer of the washing head to its position of use.
• an elastic return member is provided to urge the washing head towards its rest position at the end of the washing cycle.
• the motor means for actuating the pivoting washing head consists of an electric actuator.
• the various operating phases are commanded and controlled by a programmable automaton or other command and control means known to those skilled in the art, namely: after manipulation by the user of a control push button, the setting in rotation of the bowl by activation of the corresponding motor member, the transfer of the washing head to its operating position by activating the corresponding drive member, supplying washing fluid to the first washing nozzle and to the seat washing nozzle by activating their respective supply systems , the supply of drying fluid to the drying nozzle of the seat by activating the corresponding supply system, then after a period of time of predetermined duration has elapsed or else after a predetermined number of revolutions of the bowl, deactivation of the washing fluid supply system for the bowl and seat washing nozzles, the deactivation of the drying fluid supply system, the deactivation of the motor member for driving the rotation of the bowl itself and deactivation of the motor member for pivoting actuation of the washing and drying head and the return of the latter to the rest position.
• Different sensors can be associated with the device to give the programmable controller Information relating to the logical state of the various organs.
• FIG. 1 is an exploded view of the sanitary device with a self-cleaning bowl according to the invention
• - fi ⁇ ure 2 is a view in axial longitudinal section partial of the sanitary device according to the invention
• FIG. 3 is a partial section of the washing head of the sanitary device according to the invention.
• FIG. 4 is a bottom view in partial section of the head of the device according to the invention.
• the device according to the invention for sanitary installation comprises a bowl 1 rotatably mounted on a frame 2 which receives behind the bowl a folder 2A forming a chest in which are arranged the various organs. of the device.
• This backrest is fitted with a front wall mounted on hinges to form an access hatch.
• a collecting pipe 3 connected in a known manner on the one hand to the sewage collection network and on the other hand to a siphon 4 connected in leaktight manner by its mouth to a neck 5 that comprises the bowl 1 in lower part.
• the device is also equipped with a protective casing 1A arranged around the bowl 1 and fixed to the backrest ⁇ A -
• the bowl 1 has a vertical axis of symmetry around which it is driven in rotation on itself by the motor means' actuation in rotation.
• the internal volume of the bowl gradually narrows from the seat 6 formed in the upper part towards the cylindrical neck 5 for connection to the siDhon 4, formed in the lower part.
• the straight sections of this interior volume are preferably circular.
• the seat 6 is formed by a circular crown surface inclined towards the internal volume of the bowl. preferably the surface forming the seat is slightly curved for reasons of comfort.
• the bowl In the upper part, around the seat 6, the bowl has a vertical peripheral edge 7 extending downwards and connected to the periphery of the seat 6.
• the bowl 1 Under the seat 6 the bowl 1 has a bearing surface 8 in the form of a circular crown by which it bears on the bearing 9 for guiding in rotation.
• This bearing includes a ball stop intended to collect the axial forces supported by the seat 6, this ball stop being fixed by its upper ring to the bearing surface 8 and by its lower ring to the chassis 2 of the device.
• the lower ring of the ball stop comprises a frustoconical guide surface 11 on which roll several frusto-conical rollers 12 each mounted in free rotation on a vertical axis integral with the upper ring of the ball stop. This arrangement is opposed both to the radial displacement and to the upward axial displacement of the upper ring relative to the lower ring and consequently to the axial displacement of the bowl 1 relative to the chassis 2.
• the bowl is actuated in rotation by an electric motor 13 and this by means of a movement transmission comprising a belt 14 engaged on the one hand in a groove hollowed in the upper ring of the ball stop and on the other hand in the groove a pulley 15 fixed at the end of the output shaft of the electric motor 13.
• This electric motor is mounted for fixing on the chassis 2, in the backrest 2A.
• the electric motor is electrically connected either to the distribution network or to one or more electric batteries integrated in the backrest.
• the bowl 1 is tightly connected to the mouth of the siphon 4 by means of a rotating sealing joint.
• the mouth of the siphon 4 forms a chamber in which is mounted the rotary seal 16 in the bore of which penetrates the neck 5 of the bowl.
• a closure plate 17 is mounted around the neck, fixed on the mouth of the siphon.
• the washing head 18 In the front wall of the backrest 2A, at a level slightly higher than that of the seat, an opening is made for the washing head 18 to pass from its rest position in the housing towards its position of use above the bowl 1 and vice versa.
• the washing head 18, in its rear area receives two lateral arms 19 extending downwardly to articulate each to a pivot integral with the chassis 2 and mounted along the pivot axis AA '.
• the end of the rod of the single-acting hydraulic cylinder 20 for pivotally actuating the washing head.
• this jack is articulated to the chassis 2 of the device.
• the supply of hydraulic fluid to the vè ⁇ n chamber, through the associated hydraulic circuit, leads, according to the mounting configuration presented in Figure 2, the retraction of the rod in the body and the pivoting of the head from its rest position to its operating position.
• the hydraulic circuit will include, as known, a valve of the type, for example, two ways three orifices piloted or not placed in series on the supply chamber of the jack, this valve being controlled by the control push-button actuated by the user to start the wash cycle. This button is located on the device folder.
• a return member 21 is provided, consisting of a coil spring.
• This spring 21 is fixed on the one hand to the arm 19 and on the other hand to the chassis 2.
• the hydraulic circuit of the hydraulic cylinder is connected to the water distribution network, the latter constituting the pressure source.
• the motor member for actuating the pivoting head is constituted by an electric actuator or more generally by any suitable type of electric motor.
• the washing head 18 consists of a housing in which the washing nozzle 22 of the inner face of the bowl are arranged, the washing nozzle 23 of the seat 6 and the drying nozzle 24 of the latter. These three nozzles are fixed to the bottom wall of the housing and come into correspondence with openings made in the latter.
• the first nozzle 22 for washing the internal surface of the bowl i is located in front of the seat 6, above the said surface, while the nozzles 23 and 24 for washing and drying the seat 6 are located above the latter, the nozzle 23 for washing the seat 6, considering the direction of rotation of the bowl 1, being arranged upstream of the drying nozzle 2 4-
• the first nozzle 22, when the head 18 is in the position of use is oriented towards the upper part of the internal surface of the bowl 1 so that the impact of the jet of fluid delivered by said nozzle 22, occurs in this part, which allows, the bowl being rotated, to sweep the entire internal surface by the fluid jet.
• the nozzles 23 and 24 for washing and drying the seat 6 of the bowl are oriented towards the latter.
• the washing nozzle 23 of the seat is preferably oriented towards the center line of the latter so that the jet of washing fluid, by striking the seat through said middle zone is distributed over the seat 6 on either side said line.
• part of the washing fluid flows into the bowl 1, the other part, that directed towards the vertical rim 7 of the seat, flows from this rim, towards the outside of the bowl where it is recovered by a receptacle 25 in the form of a tray.
• This tank by its front part is arranged under the vertical rim 7 of the seat 6.
• This tank 25 preferably arranged in rear tilt, is connected to a pipe (not shown) for discharging the recovered washing fluid, said pipe being connected to the network waste water collector via u siDhon.
• the drying nozzle 24 covers the entire width of the seat and has a drying fluid outlet mouth following the outline of a rectangle.
• the axis of the jet exiting from this nozzle is inclined relative to the normal to this surface and towards the axis of the bowl so that said jet strikes the seat with angle of incidence and drives towards the bowl the washing fluid present on the seat.
• the three washing and drying nozzles are each connected, via flexible pipes penetrating the head, to their respective system for supplying washing or drying fluid.
• the system for supplying the first washing nozzle 22 is constituted by a high pressure pump to the outlet orifice to which the flexible supply line for the nozzle 22 is connected.
• the inlet for the pump is connected via a line of the supply system to a source of pressurized washing fluid such as water.
• This source can be constituted by a water tank with a capacity of a few liters comprising automatic means for filling with water and stopping the filling when the maximum filling level is reached.
• the high-pressure pump is connected directly to the water distribution network.
• the high pressure pump makes it possible, at the level of the first nozzle, to obtain a jet of pressurized water, and advantageously the section of the outlet orifice of the bus 22 is large, which makes it possible to obtain 'an important challenge.
• a jet of water, under high pressure and flow high, in combination with the rotation of the bowl ensures a complete washing of the internal surface of the latter without residual traces, also ensures the guiding of materials towards the neck of the bowl and finally ensures their flushing first towards the siphon 4, then to the collecting line 3.
• the supply system of the second nozzle comprises a high pressure pump connected by its outlet orifice to the flexible supply pipe of the second nozzle. Through its inlet orifice, this pump can be connected either to the water distribution network or to a small capacity auxiliary tank with means for automatically filling with water and stopping the filling when the maximum filling level is achieved.
• the high pressure pump allows the level of the second nozzle to form a jet of water under high pressure. The section of the outlet orifice of this second nozzle being small, the flow rate of this jet is low, the need for water for cleaning the seat being less than that required for cleaning the bowl.
• the drying fluid used is air and the supply system comprises a fan member connected by its outlet mouth to the supply pipe of the drying nozzle 24, said fan member also comprising a mouth inlet through which air is drawn in.
• the supply systems for washing fluid and drying fluid are associated with controlled dispensing metering members, not shown, intended to incorporate into the washing fluid and the drying fluid, disinfection products, bactericides, deodorants and other cleaning products and / or adjuvants, and this in metered and controlled quantities.
• These products will be contained in tanks supported by the chassis of the device and connected via pipes to the corresponding dispensing metering members which will be in contact via pipes with the washing fluid and washing fluid supply systems. drying.
• the device can also be equipped with several position sensors to deliver to the programmable controller a signal representative of the position of the cleaning head.
• a tachometer known per se may be associated with the bowl 1. This tachometer body will deliver to the programmable controller a signal representative of the number of revolutions made by the bowl, which will control the stopping of the rotation. by deactivation of the motor 13, when the required number of revolutions has been reached.
• the rev counter can advantageously be replaced by an electric timing circuit.
• the various electric motors equipping the device such as the electric motor 13 for actuating the rotating bowl 1, the electric motors equipping the two high-pressure pumps, the electric motor for activating the fan and the electric members of dispenser dosers will be activated or disabled, that is, energized or de-energized electrical by electro-mechanical or electronic relays controlled in the direction of activation and then deactivation by electrical signals emitted by the programmable controller on the one hand from a preset program and on the other hand from the logical state of the different organs.
• the control button from which the cycle is triggered is advantageously constituted by the flushing operation button fitted to the reservoir for the water supply system of the first nozzle 22.
• This control button can actuate an electric sensor by which an electrical signal for the start of the wash cycle will be delivered to the programmable controller.
• control button or flush button actuates the hydraulic circuit valve of jack 20 in the direction of supply to its chamber.
• This arrangement is particularly advantageous since it allows, despite the absence of electrical energy due, for example, to an electrical cut-off, the forward movement of the washing head and the flushing action by emptying of the reservoir associated with the supply system of the first nozzle 22.
• valve of the hydraulic circuit of the hydraulic cylinder 20 will be brought back to the cut-off position of the power supply and of the cylinder chamber by all hydraulic automation circuits, known to those skilled in the art.

Landscapes

• Health & Medical Sciences (AREA)
• Public Health (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Hydrology & Water Resources (AREA)
• Water Supply & Treatment (AREA)
• Epidemiology (AREA)
• Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
• Washing And Drying Of Tableware (AREA)
• Sanitary Device For Flush Toilet (AREA)
• Cleaning By Liquid Or Steam (AREA)
• Centrifugal Separators (AREA)

Applications Claiming Priority (3)

Publications (2)

Family

ID=9452022

Family Applications (1)

Country Status (7)

Cited By (1)

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Family Cites Families (5)

• 1993
  • 1993-10-18 FR FR9312482A patent/FR2711382B1/fr not_active Expired - Fee Related
• 1994
  • 1994-10-18 AT AT94931080T patent/ATE165131T1/de not_active IP Right Cessation
  • 1994-10-18 AU AU79966/94A patent/AU7996694A/en not_active Abandoned
  • 1994-10-18 ES ES94931080T patent/ES2117305T3/es not_active Expired - Lifetime
  • 1994-10-18 DE DE69409665T patent/DE69409665T2/de not_active Expired - Lifetime
  • 1994-10-18 WO PCT/FR1994/001207 patent/WO1995011353A1/fr active IP Right Grant
  • 1994-10-18 EP EP94931080A patent/EP0726988B1/de not_active Expired - Lifetime

Non-Patent Citations (1)

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