FR2681085A1 - LIQUID TANK DEVICE FOR FLUSHING EQUIPPED WITH WC WC. - Google Patents

Abstract

- Liquid reservoir device for flushing fitted to a toilet bowl of the bowl seat (8) or Turkish bowl seat type and consisting of a capacity (1) connected to its base by a pipe (7) with said bowl with the interposition of a shutter controlled by the user, characterized in that the capacity conforms to the shape of a prismatic body elongated in height and in that it comprises a double wall respectively an inner wall (2a) and an outer wall (2b), the intermediate space (3) and peripheral separating the two walls being provided in receiving communication at its top with the internal capacity (1) of the tank and thus constituting a receptacle for the overflow in the event of accidental overflow of the tank. tank, the base of this intermediate space being in permanent communication with the bowl for the evacuation of said overflow.

Description

The present invention relates to WC installations.

  It relates more specifically to a dredge accumulation tank for obtaining the evacuation of a toilet bowl, of the bowl or Turkish bowl type, by a flushing effect. The tanks usually used consist of a capacity located above the bowl and the base of which is connected to this bowl by a drain plug and a pipe capable of bringing the water escaping from the tank through this plug. into the bowl to cause, by a sudden arrival of a quantity of water,

  the desired flushing effect and the removal of materials.

  However, the space occupied by the tank remains a source of space. Tall cisterns, old and generally made of cast iron, have the drawback of being difficult to access for servicing, maintenance and adjustment operations; the newer tanks located behind the bowl and made of earthenware or ceramic are more accessible but sometimes clutter up the space

  limited in bathrooms or toilets.

  2 - The recent architectural trend aims to postpone the hunting tank out of sight by connecting a bowl

  of type suspended directly on the wall of the wall, the evacua-

  tion and the water inlet being done behind this wall possibly in a technical sheath. However, the problem of location arises

  necessary for the installation of the tank.

  Traditional reservoirs, generally parallel in shape-

  piped, possibly flattened to reduce clutter -

  ment, however, require a significant volume occupancy sometimes difficult to reconcile with the limited dimensions of the technical sheath located behind

of the suspended seat.

  The invention aims to develop the possibilities of implantation

  tation of WC seats, in particular of the suspended bowl type,

  significantly reducing space and clutter -

  ment occupied by the cistern.

  And more especially but not exclusively, the invention will be applicable to flush tanks carried behind a wall, out of the sight of users, the specific conformation of the tank according to the invention allowing it not only to increase its efficiency but to limit

the size it represents.

  To this end, the invention relates to a liquid tank device for flushing water fitted to a toilet bowl of the bowl or Turkish bowl type and consisting of a capacity connected to its base by a pipe with said bowl with interposition. a shutter controlled by the user, characterized in that the capacity matches the

  shape of a prismatic body elongated in height.

  Preferably, the height of said capacity is equal to-

  minus five times the largest dimension of its cross section. And preferably, this height is at least equal to ten

  times the largest dimension of said cross section.

  Advantageously, the capacity has a height greater than 80

  centimeters and preferably at least equal to 1 meter.

  Advantageously, the capacity is produced in the form of a

prism of quadrangular section.

  Advantageously also, the capacity comprises a double wall, respectively an interior wall and an exterior wall, the intermediate and peripheral space separating the two walls being provided in receiving communication at its top with the interior capacity of the tank and thus constituting a receptacle for the overflow in case of accidental overflow of the tank, the base of this intermediate space being in permanent communication with the

  bowl for the evacuation of said overflow.

  Preferably, the capacity is made of plastic, the two walls having come in one piece and

  being joined by bridges of matter.

  Advantageously, the capacity is produced in the form of a section of a quadrangular tube suitably sectioned and provided at its base with a transverse closing wall comprising the central drain plug provided with a shutter. Advantageously, the reservoir is formed by two concentric tubes defining between them the intermediate space

  overflow evacuation device.

  Advantageously, the capacity comprises at its base a drain consisting of a seat constituting the mouth of the pipe connecting said capacity to the bowl, and the

  seat is provided with a spherical shutter forming a valve.

  Preferably, the shutter ball of spherical shape is made of material of density less than 1, the ball being thus buoyant and being capable of being detached from its seat, on which it is supported by the hydrostatic pressure, by a flexible link, one end of which is

  likely to be operated by the user.

  Thus and more advantageously, the shutter ball is controlled by a pulling cord subjected to an external manual control after return of about 360 located at the top of the tank, the manual pulling down resulting in an upward pull exerted on the ball and ensuring its separation from the seat and its floating until complete evacuation of the water located

in the tank.

  Other characteristics and advantages of the invention

  will emerge from the description which follows and which is given in

  relationship with a preferred embodiment presented by way of nonlimiting example with reference to

attached drawings.

  Figure 1 shows a sectional view of a toilet toilet of the suspended seat type with a rear tank, according to the invention, integrated in offset

  of the view in the space accessible to the user.

  -5- Figure 2 shows a view of a variant in which

  the invention is suitable for a Turkish style toilet system.

  Figure 3 shows a horizontal sectional view of an alternative embodiment of the double-walled tank.

  Figure 4 shows a variant with a single wall.

  According to all of the Figures, a reservoir is provided which is made up of a capacity 1 itself formed by two walls of quadrangular section, ie an outer wall 2 a and an inner wall 2 b, and defining between them

an intermediate space 3.

  Advantageously, the two walls may have come from sections of quadrangular tubes extruded continuously; alternatively the two walls could be extruded together being joined by one or more bridges of material

4, 4 '.

  At their base close to each other, the two tubular walls 2 a, 2 b are associated with a transverse wall respectively 4 a, 4 b; the inner wall 2 a associated with the transverse lower wall 4 a thus defines the capacity for receiving the reserve of water supplied from an upper tap 5 controlled by the float 6 thus allowing the capacity to maintain a level

  constant; this in a manner known per se.

  In its central part, the transverse wall 4 a has an orifice forming a drainage plug for the capacity 1 and this plug being in communication with the pipe.

  lower 7 of which it constitutes the outlet.

  Line 7 thus allows the evacuation of accumulated water

  in the tank to the suspended bowl 8.

  6 - In its upper part, preceding the connection on the

  drain 9, pipe 7 crosses a communicating area

  tion with the intermediate space 3 separating the two

  walls respectively 2 a, 2 b of the tank.

  So that the water possibly accumulated in this intermediate space can escape continuously through the openings

  in line 7 and join the bowl.

  As seen in Figure 2, the inner wall 2a stops substantially below the upper level of the

exterior wall 2 b.

  Under these conditions, any excess water which could spill into the tank as a result of a malfunction of the float valve will spill after the internal capacity 1 has been completely filled over the top 11 of the wall 2 a which thus constitutes an overflow threshold and the water constituting the overflow is then poured into the intermediate space 3 from which it escapes through the openings 10 by joining the bowl through

driving 7.

  So that the double-walled tank thus constitutes an overflow system for the evacuation of excess water

  accidentally filling the tank.

  In this case, however, it will be emphasized that, in this embodiment, the interior wall 2 a which defines the capacity containing the water in reserve, a cold wall due to the interior water reserve, is isolated from

  the interior atmosphere of the room through the exterior wall 2 b.

  Under these conditions, the appearance on the visible wall of the reservoir of condensation water from 7 is avoided - the presence of a cold wall in a medium possibly

  humid, such as that of a bathroom.

  The condensation that could accidentally occur is located at the inner wall 2 a where it is not visible on the one hand; and the accumulation of water from

  condensation being located precisely in the inter-

  medial 3 has no disadvantages; this water can indeed accumulate and flow freely through the

  openings 10 at the base of the common intermediate space

  having sex with line 7 and the seat.

  So that the system according to the invention not only automatically achieves a safety overflow but avoids the formation of the accumulation of condensation water liable to drip and bring an undesirable wet phase. However, it can be seen that FIG. 5 realizes a variant in which optionally the reservoir can be produced from a single wall 2 c and in this case a short overflow tube in an angle of the prismatic reservoir up to the top of the latter to constitute overflow

  under conventional conditions.

  The operation of the reservoir can be easily achieved by the play of a shutter formed by a spherical ball 12

  resting on its circular seat constituted by the plug 9.

  This spherical ball is connected by a flexible cord or draw cord at the top of the reservoir from which it escapes after returning substantially to 3600 to constitute, by its end, the control member made available to the user. 8 - This end 14 being provided for example with a handle

traction 15.

  The cord passes through a return ring 16 allowing it to slide easily, for example in low material

coefficient of friction.

  A stop 17, for example a simple knot, formed on the cord 13 limits the traction area from the outside, the stop 17 being calibrated so as to come to bear against the ring 16 without being able to cross it, which therefore avoids excessively unwind the drawstring to

1 exterior.

  Advantageously, the float ball has a density

  slightly less than 1 allowing it to float.

  While waiting, the ball is glued to its seat by the high hydrostatic pressure given the height of the

tank.

  Under the effect of the limited traction, caused by the user manipulating the handle 15, the ball is detached from its seat and rises while the water rushes under high pressure into the pipe 7 to feed the bowl and cause l hunting effect desired. When all the water is evacuated, the ball comes to rest on its seat, the wall 4 a being for this purpose of frustoconical shape to automatically bring by gravity the ball

  in its desired central position.

  After, the filling of the water intervening, the ball is stuck back on its seat by the higher pressure of the water which is exerted on a part of the surface of the ball 9 - spherical (with the exception of the part that corresponds to

the mouth of the drain).

  The invention thus makes it possible in a new way to provide a solution to the problem of congestion in premises often

cramped assigned to WC seats.

  In particular when one wishes to transfer to a non-visible area, for example in a technical sheath, the reservoir, the invention provides a particularly elegant solution,

simple and economical.

  Indeed, it can be produced and implemented from extruded tubular walls, therefore of limited cost price and shaped to result in the double-walled tank capacity described above, equipped with traditional systems of float valves and shutter controls. particularly simple and effective, avoiding

any risk of deregulation.

  The tubular and elongated tank in height according to the invention can find a place both in a technical sheath located behind a wall supporting a suspended seat as in the corner of a room assigned to the WC; being able to be carried in an angle, it can occupy only one zone and a useless dead space and consequently release a

useful space.

  As seen in Figure 3, the tank of the invention will also be particularly suitable for WC equipment of the Turkish type in which the outlet of the water is in the lower position so that the tank can thus be reassembled over a great height of up to 1.50 meters or even 2 meters, thereby limiting the space requirement on the rear face

WC.

  The dimensions of the elongated tube in height constituting the reservoir are not characteristic in themselves but in the relationships which have been specified between the cross section of the elongated reservoir in height and this height. The dimensions will in fact be conditioned by the quantity of liquid which is necessary in each case according to the uses, regulations or

specific needs.

  Advantageously, the cross section of the reservoir tube will have a surface of the order of 100 cm 2, and under these conditions a tube having a height of approximately 1 m, ie 100 cm, will give a volume of 10,000 cm 3, ie 10 liters, thus providing a useful water reserve capacity of the order of 9 liters, which corresponds to the

  capacity of traditional tanks.

  However, depending on the trend towards saving water, it will be possible to produce reservoirs having a lower capacity and which, for a cross section of 1,00 cm 2 will have a height of between 50 and 80 or 90 cm; a tank with a base of 100 cms and a height of 70 cms will give a useful volume of water reserve of the order of 6 liters which corresponds to the capacity recommended in certain regulations or

in some countries.

  The tank according to the invention will precisely allow water saving insofar as its conformation allows the accumulation of a hydrostatic pressure at its base which consequently provides the violent arrival and under a significant thrust of the water in the bowl with flushing effect which

is desired.

  And according to an original effect of the invention not only the shape of the tank newly designed in height and which has been previously described, will allow a hydrostatic thrust transforming into kinetic energy and it into a significant evacuation force, but the rectilinear and vertical conformation extending for the mass of water in reserve towards the connection pipe at the base of the bowl makes it possible to avoid the swirling phenomena of water stagnating in a conventional tank; this is how the entire body of water is set in motion in a uniform downward direction, thus avoiding changes in the direction of the streams of water coming from the lateral parts of the tank in the

conventional tanks.

  In the present case all the water streams are parallel and given the conformation of the tank into a tube, this tube thus conforms to a pipe which makes it possible to direct all the water streams in parallel in a uniform movement. We thus increase the kinetic energy which is entirely directed in the same direction and which will therefore allow the significant hunting effect while at the same time by eliminating vortex phenomena we avoid parasitic noises which are quite conventional and well known in

traditional reservoirs.

  And in these conditions we multiply the advantages obtained by the structure

thus described.

  In addition to largely eliminating the noise associated with the vortex, a hunting effect is obtained thanks to the kinetic energy coming from the parallel nets on the one hand and the accumulated hydrostatic energy on the other hand, which consequently allows significant water savings; the concerns of the public authorities aiming to restrict the consumption of water for the hunting effect are thus joined by the invention, whereas it is precisely pure, potable water coming from the urban supply network which has been sanitized, purified and made drinkable at great cost; and it is obvious that the use of this pure and precious water for the evacuation of the materials constitutes a loss of energy; and the invention makes it possible to largely limit

this waste.

  It can therefore be seen that the invention multiplies the advantages obtained and which add up to the saving in volume which was previously highlighted as well as to the aesthetics, the reservoir being either concealed in a technical sheath behind the wall, or be inserted at an angle to the space formed by the toilet room.

  However, the invention also allows savings in terms of manufacturing.

  It has indeed been stated that the tubular body of the reservoir may have come from

  sections of a continuously extruded tube.

  In this case, the manufacture can be easily implemented, the cost price of the extruded tube being low and which moreover can be produced from

  standard production series and used for other uses.

  In this case, it suffices to manufacture, in particular by extrusion or molding of the modules constituting the bottom (with the central drain), connecting to the pipe for connection to the toilet bowl; this individual module can thus be attached by gluing to the tube section to conform the tank completed at its top by the arrival device

of water with float valve.

  This construction then makes it possible to produce tanks on demand and to measure, they may have other shapes than the shape

  quadrangular described in relation to the figures.

  This according to the particular needs, uses and possibly the age of the users; it is thus possible from standard elements to manufacture small capacity tanks used for example for children's toilets (schools, nurseries etc.); these tanks, instead of being specially manufactured, will be produced under the same conditions as full capacity tanks; it will be enough to use cut tubes of

suitable dimensions.

  Finally, it should be noted that the evacuation command with a spherical ball controlled by a pull tab has been mentioned here by way of example of embodiment.

but is in no way limiting.

  Many possibly more elegant systems could be used in particular from a digital electric or pneumatic control and made available to the user near the toilet seat; this command can by a suitable link be directed to the tank and cause by an effect or the operation of an electromagnet or a pneumatic control the initial detachment of the ball allowing the

  water reserve rushing towards the pipe and towards the bowl.

  Advantageously, the cross section of the elongated reservoir in height comprises a surface of between 50 and 200 cm 2 and preferably between 80 and

cms 2.

_ 14 _

Claims (10)

  1 Liquid tank device for flushing a toilet bowl of the bowl type (8) or Turkish bowl type and consisting of a capacity (1) connected to its base by a pipe (7) with said bowl with interposition of a shutter controlled by the user, characterized in that the capacity matches the   shape of a prismatic body elongated in height.   2 Device according to claim 1, and characterized in that said capacity is equal to at least five times the largest dimension of its cross section and preferably this height is at least equal to   ten times the largest dimension of the said cross section.   3 Device according to one of claims 1 or 2,   characterized in that the capacity has a height greater than   centimeters and preferably at least equal to 1 meter.   4 Device according to one of claims 1 to 3,   characterized in that the capacity is produced in the form   a prism of quadrangular section.   Device according to one of claims 1 to 4,   characterized in that the capacity comprises a double wall, respectively an inner wall (2 a) and an outer wall (2 b), the intermediate (3) and peripheral space separating the two walls being provided in receiving communication at its top with the internal capacity (1) of the tank and thus constituting a receptacle for the overflow in the event of accidental overflow of the tank, the base of this intermediate space being in permanent communication   with the bowl for the evacuation of said overflow. -   6 Device according to one of claims 1 to 5,   and characterized in that the capacity is made of plastic, the two walls having come in one piece and   being joined by bridges of matter.   7 Device according to one of claims 1 to 6,   and characterized in that the capacity is produced in the form of a section of a quadrangular tube suitably sectioned and provided at its base with a transverse closing wall comprising the central drainage outlet provided a shutter.   8 Device according to one of claims 1 to 7,   and characterized in that the capacity constituting the tank is formed by two concentric tubes defining between them the peripheral intermediate evacuation space overflow.   9 Device according to one of claims 7 or 8,   and characterized in that the capacity comprises at its base a plug constituted by a seat constituting the mouth of the pipe (7) connecting said capacity to the bowl, and the seat is provided with a spherical shutter (12) forming a valve . Device according to claim 9, and characterized in that the spherical shutter ball (12) is made of material of density less than 1, the ball thus being buoyant and being capable of being detached from its seat, on which it is supported by hydrostatic pressure, by a flexible link (13), one end (14) of which is capable of being operated by the user.   -16 - 11 Device according to claim 10, and characterized in that the shutter ball (12) is controlled by a pull cord (13) subjected to an external manual control (15) after return of about 360 located at top (16) of the tank, manual pulling down resulting in an upward pull exerted on the ball and ensuring its detachment from the seat and its flotation until complete evacuation of the water located in the tank.   12 Device according to one of claims 1 to 11,   characterized in that the reservoir consists of a common tubular part coming from a tube cut to the appropriate dimension and comprising at its base an attached modular bottom, the tube being made up of a section of extruded tube while the bottom is consisting of a molded plastic module, the bottom having an edge capable of coming to adapt   by fitting at the base of the wall of the tube.   13 Device according to one of claims 1 to 11,   characterized in that the reservoir is elongated in height to a straight section covering between 50 and 200 cm 2 and of preferably between 80 and 120 cms 2.