WO2016078682A1 - Mobile sanitary unit - Google Patents

Abstract

The current invention concerns a mobile sanitary unit for accommodating at least one sanitary facility whereby the sanitary unit is quickly demountable towards a transportable state and is provided with at least one connecting element for allowing safe stacking of the units.

Description

MOBILE SANITARY UNIT

TECHNICAL FIELD

The invention pertains to the technical field of mobile sanitary units which are modular, reducible in size and stackable for ease of transport.

BACKGROUND

The invention relates to a mobile sanitary unit for accommodating at least one sanitary facility, such as a toilet. Such a sanitary unit is commonly known, as it is generally used as a temporary sanitary facility, in particular in places where briefly large numbers of sanitary facilities are required, for example at music festivals.

In general, such a mobile unit comprises a bottom, a circumferential wall that at least partially surrounds the circumference of the bottom, and a roof. One or more compartments may be provided in the interior of the facility. To that end partitions may be provided. Each compartment is provided by a sanitary facility, such as a toilet. A compartment is accessible to a user via doors provided for that purpose.

As the unit is used on remote sites, it has to be transported to the site of use. In general, the unit is transported from for example a storage location to the desired location of use, such as the music festival. After the event in question, the unit is transported back to the storage location.

Advantageously, the units are to be transported in an economic way, which implies that the transport means such as a truck should be able to carry as many units as possible. To that end, modular sanitary units have been developed. WO 2013 095 094 describes a modular sanitary unit with wall elements which are pivotable and which allow reducing of the distance between bottom and roof element. Hence the units are made more compact, which enables transportation of more units per transport means.

NL 1 039 356 describes a sanitary unit which is foldable towards a transporting position which is similar to a container. As such, multiple units can be transported at once.

It is a drawback of the known systems that they still it takes up relatively much volume and time to deconstruct. Consequently, the handle and transport costs are relatively high. Furthermore, relatively much storage space is needed for storing the unit at the storage location.

Another major drawback of the current systems is the fact that, although the different units are reducible in size to make them stackable, the amount of stacked units is limited during transport because of a risk of falling over or turning.

Accordingly it is an object of the present invention to provide an improved unit for several sanitary facilities, which can be moved to the position of use in a simple and fast manner and which can subsequently be returned to the reduced state. Another object of the present invention is to enable safe stacking and coupling of the units during transport. Finally, it is also an object of the current invention to provide units which are easily transportable on site, either when in reduced or build-up state.

Summary of the invention

The present invention provides a mobile sanitary unit in useable state according to claim 1 and in transportable mode according to claim 12 and a kit for providing such a mobile sanitary unit according to claim 14. The unit can be easily transported, in a very economical way, and quickly mounted and demounted.

In a second aspect, the present invention provides for an assembly of at least two mobile sanitary units according to claim 13. The assemblies are safely stacked by means of a connecting element on the roof of a first unit and engaged to the unit above. As such safe and transportable assembly is formed.

In a further aspect, the present invention provides a method for transporting a sanitary unit according to claim 15.

Description of figures

In Figure 1, Figure 1A shows a sanitary unit according to the current invention in useable mode. Figure IB shows an embodiment of the sanitary unit in useable state. In Figure 2, Figure 2A shows an embodiment of the sanitary unit according to the current invention in demounted state.

Figure 2B to 2E shows the building of the mobile sanitary unit towards a useable unit according to an embodiment of the current invention.

In Figure 3, Figure 3A, 3B and 3C show respectively a side view (3A and 3C) and a perspective view (3B) of a demounted sanitary unit whereby the demountable components are stored in the bottom unit.

In Figure 4, Figures 4A to 4C show a detailed view of the connecting element according to an embodiment of the current invention which is engaged in a recess of the roof element and of a beam/post of the sanitary unit. In Figure 5, Figure 5A shows an embodiment of the current invention, being provided with transportation means. Figure 5B shows a detailed view of a possible embodiment of the transportation means according to the current invention. Figure 6 shows a truck loaded with assemblies of units according to the current invention.

In Figure 7, Figures 7A to 7F show top views of different embodiments of units in useable state.

In Figure 8, Figures 8A to 8D show the building of a sanitary village on a site, according to an embodiment of the current invention.

DETAILED DESCRIPTION OF THE INVENTION

The present invention concerns a mobile sanitary unit, which can be brought in a useable and transportable modus and vice versa in a fast and reliable manner.

The units are provided with a system that enables connection of two or more units in transportable modus which allows transport on for instance a vehicle in a very efficient, safe and economic way.

For the purpose of the current invention, the term 'modular' is to be understood as as demountable and transportable. A modular sanitary unit is thus to be understood as a sanitary unit which can be brought from a mounted to a demounted state and vice versa, whereby the unit in demounted state will be typically smaller in size than the mounted unit, and whereby the unit can be easily transported.

In a first aspect, the invention provides a mobile sanitary unit for accommodating at least one sanitary facility, such as a toilet, a shower, a sink, or a combination of the latter. Said unit may be in a useable mode, which is a mounted state, or in a transportable, demounted state. Said unit comprises a bottom unit with bottom platform and posts extending therefrom, and a demountable unit comprising wall elements, door elements, beams, connecting elements and a roof element. The roof element of the unit is provided with at least one recess which traverses through the entire roof element. In a useable mode, said recess receives a beam and a connecting element, whereby said connecting element is suitable for engaging with a recess in the bottom platform of a second unit. The connecting element is partially contained in the recess and in a cavity of the beam, which is passed through the side of the roof element resting on said beam via said recess.

The presence of the connecting element ensures securing of the roof element to the rest of the unit and allows connecting at least two sanitary units with each other, even when they are in used mode.

By preference, said roof element has a rectangular profile and comprises recesses for receiving a beam and a connecting element located in each of the four corners of said element.

In a preferred embodiment, said connecting element is secured in said beam with securing means such as a pin. The securing means ensure securing both the connecting element as well as the roof element to the remaining components of the sanitary unit. Said securing means secure the position of the connecting element which goes through the recess of the roof element (via the upper side of the roof element) and is embedded in a beam which went through the recess via the bottom side of the roof element. For the purpose of the current invention, the upper side of the roof element is the side facing the environment, whereas the lower side is to be understood as the side of the element residing on the remaining parts of the unit, and which will be visible seen from inside the unit. Said beam has a hollow profile which allows receiving the distal end of a connecting element. The beam will have a larger profile than the connecting element, in order to allow fitting of the element in the beam. As a consequence, the recess opening on the upper side and on the lower side of said roof element will preferably have a different size of outline: the recess opening of the upper side will preferably be smaller than the recess opening on the lower side. Said recess opening on the upper side will correspond to the profile of the connecting element, whereas the opening on the lower side will correspond to the beam (or posts of the bottom unit).

By preference, the profile of the beam will be rectangular or square, as will be the profile of the distal end of the connecting element and the recess openings in the roof element. Preferably said connecting element is not entirely engaged in the roof element but comprises a tapered end which extends above the roof element. The free tapered end will allow engagement with a recess in the bottom platform of a second sanitary unit. The bottom unit is comprised of a rectangular bottom platform with at least four corner posts and optionally intermediate posts extending from the said platform and wall elements placed between said corner posts and/or intermediate posts. The bottom unit forms a storage room for receiving the components of the demountable unit when in demounted state.

The bottom platform of the unit is provided with at least one recess for receiving said tapered end of said connecting element, whereby this recess is located on the side of the bottom platform residing on a surface (such as a road, grass, ground, etc.). By preference, said recess is formed by posts which are contained in the bottom platform and whose hollow end allows receiving the connecting element. By preference, said bottom platform comprises four recesses, each at one corner of the platform. By preference, the recesses are provided by the corner posts which have a hollow profile. To that purpose, said beams will be formed of two parts whereby one part will have a smaller circumference than the other part and will fit into the post. Once combined, both post and beam will form one perfectly aligned bar. In a further embodiment, said bottom platform is provided at its upstanding rim with at least one cavity for receiving unit transportation means. In a more preferred embodiment, said bottom platform comprises 2 or more cavities for transportation means. In a most preferred embodiment, said bottom platform comprises two cavities at each side of the bottom platform which allow receipt of transportation means. Said transportation means may be forklift forks. In another embodiment, said transportation means may be hand transport movers. Said hand transport movers comprise of a wheel, preferably a caster, a handle and a lifting element which is able to lift the entire unit, whether in useable or demounted modus from the ground.

The provision of transportation means allows the unit to be transported to the exact site of preference, whether in mounted or demounted state. In contrast to the other currently known transportable and demountable units on the market, the unit according to the current invention can be brought in demounted and compact state to the desired location on a field (e.g. a festival field) and build within minutes towards a fully equipped and useable unit, with the need of minor manpower (one person per unit suffices in most cases). This is a huge advantage compared to the currently known units, which have to be built on a site remote from the desired site in use and subsequently have to be transported to that desired site.

Due to the fact that the units can be placed in demounted state on their desired site and built from there, one can keep a good overview of the entire location and place all units exactly as planned. When having to place fully build units, this visibility and overview is quickly lost.

In the useable mode, said beams of the demountable unit are connected with the corner and intermediate posts of the bottom platform. Said connection may be a telescopic connection. In another embodiment, said beams are slidable connected to the corner or intermediate posts. Said slidable is to be understood as the action whereby a part of the beam is engaged within a hollow post, thereby forming one unitary beam or post. In a further embodiment, wall elements will be placed between two beams, by joining the wall elements to the respective beams. For that purpose, the beams are preferably provided with grooves or rails which allow interposing and fixation of the wall elements between the beams. The wall elements of the demountable unit will rest on the fixed wall elements of the bottom unit which at least partially align the circumference of the bottom platform. By preference, the bottom unit is provided with wall elements on three connecting sides of said unit, whereas one side is left open. The side which is left open will be provided by a door element which is hung between the bars formed by the posts of the bottom unit and the beams demountable unit which are present at the front side of the complete unit. For the latter, the posts and the beams present at the front side are provided with hinge elements for hingeably connecting a door element to the latter. In a transportable mode of the mobile sanitary unit according to the current invention, the bottom unit will provide storage space for receiving components of the demountable unit when demounted. These components comprise wall elements, door elements, beams, one or more connecting elements and a roof element. In demounted mode, the latter will be stored in the bottom unit. As such, the mobile sanitary unit can be compacted to a reduced size which in a preferred embodiment corresponds to the standard size of a container. The roof element will be placed over the bottom unit and will close the latter. Said roof element will be placed parallel to the bottom platform of the bottom unit. In the reduced size, the recess present in the roof element will be engaged to a post of the bottom unit, in a manner similar as when engaged to a beam in the useable mode. A connecting element will be provided which passes through the upper side opening of the recess and is engaged with the post. Securing of the connecting element to the roof element and post occurs via the securing means as described above, which preferably comprise a pin.

The tapered free end of the connecting element will be engageable to a recess in the bottom platform of a second demounted sanitary unit. As such, a stable assembly of two or multiple sanitary units is formed which does not risk falling when transported and provides safe stacking of the units. The stacked units can be readily placed in a standard cargo hold of a truck. Because of the reduction in height, a larger number of units can be transported in a single run, thus saving time and money.

In a preferred embodiment, said dimensions of the demounted unit will comply with the dimensions of standard transport containers or pallets. The sanitary unit according to the current invention is suited for use with a number of compartments, preferably one, two, three or more compartments. The interior space will to that purpose be subdivided into at least two compartments by means of at least one partition wall element and intermediate posts and beams. As such, compartments are established which each can be provided with a sanitary system.

The unit can be manufactured of various materials which are suitable for the embodiments according to the current invention, and can comprise of wooden components, plastic, polymers, composite material, steel, etc. or a combination of the latter.

In an embodiment, the roof element will be transparent or translucent to allow passage of light. This contributes to the ecologic footprint of the unit. In another aspect, when the units are provided with the toilets, the latter will be flushable by any suitable flushing means, preferably a foot pump. The flushing system makes use of a vacuum pump which further reduces the ecologic footprint. In a preferred embodiment, the toilets are flushable with 1 L of water and 60 L of air.

In general, the assembly of units, e.g. in a sanitary village, will be steered by a technical unit, which will control the functioning of the units, which ranges from providing power, to controlling the supply of freshwater and efflux of waste water, and for instance the mixing of the waste water.

In another aspect, the current invention also comprises a kit for providing a mobile sanitary unit for accommodating at least one sanitary facility, said kit comprises a rectangular unit comprising a bottom platform, corner posts extending from said bottom platform, optionally intermediate posts and wall elements provided between posts and a demountable unit comprising wall elements, door elements, beams, one or more connecting elements and a roof element whereby the roof element is provided with at least one recess which traverses said element and which is able to receive a beam and a connecting element, said connecting element is suitable for engaging with a recess in the bottom platform of a second unit. In a final aspect, the current invention also provides for a method for transporting a mobile sanitary unit comprising a demountable and a bottom unit, said method comprises:

- demounting the elements of a demountable unit of said sanitary unit; - storing said elements in said bottom unit;

- closing bottom unit with a roof element; and

- stacking at least two units, characterized in that said units are connected by a connecting element, extending from a roof element of a first unit and connected to a recess in the bottom unit of a second sanitary unit.

By preference, three units are vertically stacked.

The current invention also relates to transportable sanitary units, whether demountable or reducible in size or not, which can be easily be transported to the site of location by provision of transportation means as described above. To that purpose, the bottom platform of the unit comprises two or more cavities for receiving transportation means. In a most preferred embodiment, said bottom platform comprises two cavities at each side of the bottom platform which allow receipt of transportation means. Said transportation means may be forklift forks. In another embodiment, said transportation means may be hand transport movers. Said hand transport movers comprise of a wheel, preferably a caster, a handle and a lifting element which is able to lift the entire unit from the ground and transport it to the desired location. It should be understood that the sanitary unit can have various embodiments and can be equipped for various use.

The invention is further described by the following non-limiting drawings which further illustrate the invention, and are not intended to, nor should they be interpreted to, limit the scope of the invention.

The present invention will be now described in more details, referring to drawings that are not limitative.

DESCRIPTION OF THE FIGURES

Figure 1A and B depict a sanitary unit (1) in useable mode according to an embodiment of the current invention. The unit (1) is subdivided in a bottom unit (2) and a demountable unit (3). The bottom unit (2) comprises a bottom platform (4), which is a rectangular platform placed on a substrate such as the soil and which is on the upstanding sides of the platform (that is, the sides which are perpendicular to the side residing on the substrate) are provided with cavities (5) which are suitable for receiving transportation means. The embodiment as shown in figure 1 is provided with two cavities at each side of the platform. As shown in Figure IB, the one or more of the cavities may be provided with transportation means (6) which in the case of Figure IB are hand transport movers but the latter may also be forklift forks. A lifting element will be placed in the cavity, whereby a handle or pneumatic system will allow lifting of the unit from the ground or substrate where it is placed on. A caster or wheel is provided for moving the unit towards a desired location on site. The position of the transportation wheels will depend on the desired direction in which the units need to be transported.

The sanitary unit of Figure 1 is subdivided in three compartments which are each provided with sanitary facilities such as a toilet, a urinal, a lavatory, a shower, etc. It should be understood that the current invention is not restricted to units which have 3 compartments, but that the invention is also workable with one compartment units, or units with 2, 4, 5 or more compartments. The preferred embodiment has 3 compartments. Each compartment is separated by partition walls (not visible on the drawing). Each compartment will be provided with door elements (9) which are hung to (frontal) bars (10) which comprise of a beam (11) and a post (12). The posts (12) are part of the bottom unit (2) and extend from the bottom platform. As shown in figure 2A, which depicts a unit in demounted mode, the posts (12) are a fixed part of the frame of the bottom unit (2). The beams (11) are part of the demountable unit (3) which can be completely demounted into separate pieces and compartments. The beams can be connected to the posts (12) in a slidable manner. To that purpose, the beams are provided with a lower part that can slidably engage with the posts (12) of the bottom unit (2). The bottom unit (2) will at least be provided with four posts (12) one on each corner of the bottom unit (2). If the unit (1) is divided in compartments, intermediate posts (14) are provided on regular distances to mark the compartments. Intermediate beams (13) are present to engage with the intermediate posts (14) to form bars (10).

The posts and beams have a hollow, rectangular profile. Wall elements (15) are provided between the bars for marking a closed compartment. These wall elements (15) are formed of a lower wall element (16) of the bottom unit, which is part of the frame of the bottom unit, and an upper wall element (17) which is part of the demountable unit (3). Both are aligned to form one wall element placed between the formed bars. The unit (1) is closed with a roof element (18) which is comprised of a rectangular plate superimposed on the remaining parts of the unit (1). Connecting elements (19) with tapered end are provided on the corners of the roof element (18).

Figure 2A shows an embodiment of the unit in demounted state. A bottom unit (2) with bottom platform (4) and extending posts (12, 14) thereof is provided. Lower wall elements (16) are provided in between the posts (12, 14). In the embodiment as shown in figure 2A, only the back side of the bottom unit is provided with fixed wall elements, the other sides are left open. In another embodiment as shown in figure 2B, the bottom unit is provided with fixed wall elements on three sides of the unit, whereby the side forming the entrance and receiving the door is (eft open.

A sanitary facility (19), being a toilet, is provided in each of the three compartments. The height of the bottom unit elements determines in particular the height of the unit in the reduced state. The height of the bottom unit elements has been selected so that the sanitary facility, and in particular the toilet, do not extend above the upper part of the lower wall elements (16). In this way the toilet (27) can also remain connected to the unit during transport. It is of course conceivable for the sanitary facilities (27) to be detachable, from the base unit.

The demountable unit (3) is provided of a roof element (18), connecting elements ^•(19), door elements (9), wall elements (15, 17) and beams (13). All components are loose elements which are connectable towards a large functional sanitary unit. Figures 2B to 2E show the building of the sanitary unit (1) starting from the bottom unit (2) and the loose components of the demountable unit (3). A bottom unit (2) is provided in figure 2B. Partition wall elements (16) are placed between the intermediate posts (14) to mark the different compartments, as shown in figure 2C. The intermediate posts are to that purpose provided with a groove or rail structure (20) to allow positioning of these wall elements.

In a subsequent step, as shown in figure 2D, the beams (11, 13) are placed on the hollow posts (12, 14). Then, the upper wall elements (17) are placed between the beams (11, 13) and on top of the fixed lower wall elements (16) of the bottom unit (Figure 2E). Optionally the walls may be provided with aid supports such as for instance toilet roll holders.

Placement of interior wall elements further close off the different compartments. Eventually the door elements are hung to the front side. Door closers may be provided to the doors. Finally the roof element (18) and the connecting elements (19) will be placed on the unit to come to the unit as shown in Figure 1.

Figure 3 shows a side view (3A and 3C) and a perspective (3B) view of the demounted sanitary unit (1) in transportable mode. The components of the demountable unit (2) such as the beams, wall elements, door elements, etc. (15, 9, 11, 13) are all stored in the storage space provided by the bottom unit (2). The dimensions of the components as well as the bottom unit (2) are thus designed to accommodate storage of the individual components. The interior of the unit will be closed off by the roof element (18) and provided with connecting elements (19) on all four corners. The lower wall elements (16) remain in place in the unit and are provided with openings which allow passage of certain components stored in the bottom unit (2).

Building and demounting of the sanitary unit according to the current invention only takes a mere 4 minutes if performed well. The unit in demounted state complies with standard container measures and allows transport via regular road container transport. In the illustrated embodiment, the dimensions of the unit in particular the width and the depth, are 1.20 x 2.55 m. Said dimensions are preferably adapted to the Euro pallet dimensions, which are known per se to the skilled person. The dimensions may be a multiple of said Euro pallet format, for example. The Euro pallet dimensions ensure that transport, for example by means of a truck, and the loading and unloading thereof, for example by means of a forklift truck or a pallet truck, can take place in a simple manner. In specific situations an adaptation to other standardized dimensions, for example of pallets, is conceivable.

Figure 6 shows transportation means loaded with stacked containers according to the current invention. The current invention allows transport of more than 100 (e.g. 117) sanitary facilities per transport.

Transport is facilitated by connecting elements (19) present on the roof element which allow firm connection of the stacked units during transport. Figure 4 shows connection of the connecting element the unit. The connecting element (19) has a beam-like distal end (24) and a tapered proximal end (23). A rim (25) separates both parts. The beam-like end enters an upper side of a recess (22) in the roof element (18) whereby the rim (25) provides a physical block for the connecting element (18) whereby the rim (25) provides a physical block for the connecting element (19) entering further into the recess (25). The lower side of the recess is engageable with a hollow beam (11) or post (12). By entering the recess, the post (12) or beam (11) will receive the beam-like end of the connecting element (19). Fixation of the beam-like end in the post occurs via a pin (26) which goes through an aperture provided in the beam or post and which allows fixation of the two structures (Figure 4B and C).

The tapered end of one unit may then engage with a recess in a bottom platform of a second unit. This recess is formed by one of the hollow corner posts. The tapered end will enter the recess formed by the post and will form a stable yet temporarily connection with the second unit (which on its turn can be connected to a third unit). As such, stably stacked units can be formed which can be safely transported.

Figures 7A to 7F show various embodiments of a sanitary unit (1) according to the invention. The unit (1) can have various functionalities, depending on the requirements of the event or the occasion. Figure 7A shows an embodiment of a unit (1) subdivided in three sub-compartments, whereby each compartment is provided with a toilet (27). Alternatively, such unit may equally be provided with a shower per compartment (Figure 7B). In the latter case, the floor may be adapted to provide water discharge means (34).

As shown in figure 7C, the unit (1) may also be divided in a compartment with regular toilet (33) and one larger compartment for disabled persons. The latter may be provided with accessories (32) such as support bars for enhancing safety.

Figure 7D shows an embodiment whereby the unit (1) is multifunctional, and comprises a toilet (27), a shower (33) and a sink (35). A curtain may be provided to physically separate the shower part from the other functionalities.

Figures 7E and F show embodiments of men toilets provided with one or more (trough-style) urinals (36). The space can be provided with a sink, either inside or outside the unit (1).

Figures 8A to C show the building of a sanitary village with sanitary units according to an embodiment of the current invention. The sanitary village is built on a floor plate (37) which may include separate floor plate tiles, placed together to form a floor plate (37). The units (1) are brought in proximity of the site by road transport such as a truck (30). The units are subsequently taken from the road transport by a forklift, thereby making use of the cavities (5) in the bottom platform (4) of the units (1) (figure 8C). Once on the floor plate (37) the units (1), which are still in demounted mode, may further be wheeled to the exact place where they are to be used. They will subsequently be brought in an erect, useable state. Because the units can be brought into compact state to their required place, the workers never lose the overview of the village and how it should be build according to the plan.

The sanitary village may be comprised of a combination of various different units as shown in figures 7A to 7F. The functioning of the separate units is steered by a technical unit (38), preferably a vacuum unit, which steers the supply of fresh water and the evacuation of wastewater via appropriate pipelines (39).

Figure 8D shows a completely build sanitary village with useable units (1) on a floor plate (37) whereby a technical unit (38) is connected to a pipeline for providing fresh water (39), and two pipelines for wastewater, one coming from the trough-style urinals (40) and one from evacuating wastewater from the other toilet units (41) (evacuated by vacuum means).

It is supposed that the present invention is not restricted to any form of realization described previously and that some modifications can be added to the presented example of fabrication without reappraisal of the appended claims. Features of the figures

1 : sanitary unit

2 : bottom unit

3 : demountable unit

4: bottom platform

5 : cavities

6 : transportation means

7 : lifting element

8 : caster

9 : door element

10: bar

11 : corner beam

12: corner post

13 : intermediate beam 14: intermediate post

15: wall elements

16: lower wall element

17: upper wall element 18: roof element

19: connecting elements

20: groove/rail

21 : door closers

22: recess

23 : tapered end

24: beam-like end

25: rim

26: pin

27: toilet

28: bottom unit recess

29: handle

30: road transport

31 : unit assembly

32: accessory

33 : shower

34: water discharge means

35: sink

36 : urinal

37: floor plate

38 : technical unit

39 -41 : pipelines

Claims

1. Mobile sanitary unit (1) for accommodating at least one sanitary facility (27), said unit comprises in useable state:

- a bottom unit (2) with bottom platform (4) and posts (12, 14) extending therefrom, and

- a demountable unit (3) comprising wall elements (15), one or more door elements (9), beams (11, 13), one or more connecting elements (19) and a roof element (18), characterized in that said roof element (18) is provided with at least one recess (22) which traverses said roof element (18) and which has received a beam (11, 13) and a connecting element

(19), said connecting element (19) is suitable for engaging with a recess (22) in the bottom platform (4) of a second unit.

2. Mobile sanitary unit according to claim one, characterized in that said connecting element (19) is partially contained in said recess (22) and in a cavity of said beam (11, 13), said beam (11, 13) is passed through the lower side of the roof element (18).

3. Mobile sanitary unit according to any one of the previous claims, characterized in that said connecting element (19) is secured in said beam (11, 13) with a pin (26).

4. Mobile sanitary unit (1) according to any one of the previous claims, characterized in that said connecting element has a tapered end (23), extending above the roof element (18).

5. Mobile sanitary unit (1) according to any one of the previous claims, characterized in that said roof element (18) has a rectangular profile and comprises recesses (22) for receiving a connecting element located in each of the four corners of said roof element (18).

6. Mobile sanitary unit (1) according to any one of the previous claims, characterized in that the profile of said recess (22) is smaller on the top side of the roof element (18) than on the lower side.

7. Mobile sanitary unit (1) according to any one of the previous claims, characterized in that said bottom platform (4) is provided with at least one recess (28) for receiving said tapered end (23) of said connecting element (19), said recess (28) is located on the side of said bottom platform (4) residing on the bottom surface.

8. Mobile sanitary unit (1) according to any one of the previous claims, characterized in that said bottom platform (4) is provided at its upstanding rim with at least one cavity (5) for receiving unit transportation means (6).

9. Mobile sanitary unit (1) according to any one of the previous claims, characterized in that said bottom unit (2) is comprised of a rectangular bottom platform (4) with at least four corner posts (12) and optionally intermediate posts (14) extending from the said platform and wall elements (16) placed between said corner posts (12) and/or intermediate posts (14).

10. Mobile sanitary unit (1) according to claim 9, characterized in that said beams (11, 13) are slidably connected with said corner (12) and intermediate posts (14).

11. Mobile sanitary unit according to claim 9 or 10, characterized in that said wall elements (15) are joined in between two beams (11, 13).

12. Mobile sanitary unit (1) for accommodating at least one sanitary facility (27), said unit comprises in transportable mode a bottom unit (2) with bottom platform (4) and posts (12, 14) extending therefrom, whereby the bottom unit (2) provides storage space for receiving components of a demountable unit (3), said demountable unit (3) comprises wall elements

(17) , one or more door elements (9), beams (11, 13), one or more connecting elements (19) and a roof element (18), characterized in that said roof element (18) is placed over and closes off said bottom unit (2) and whereby at least one recess (22) which traverses said roof element

(18) is engaged with a post (12, 14) of said bottom unit (2) and which has received a connecting element (19).

13. Assembly (31) of at least two mobile sanitary units (1) in transportable mode according to claim 12, characterized in that said units are connected through a connecting element (19) extending from a roof element (18) of a first unit and connected to a recess (28) in the bottom unit of a second sanitary unit.

14. A kit for a providing a mobile sanitary unit (1) for accommodating at least one sanitary facility (27), said kit comprises:

- a rectangular bottom unit (2) comprising a bottom platform (4), corner posts (12) extending from said bottom platform, optionally intermediate posts (14) and wall elements (15) provided between posts; and

- a demountable unit (3) comprising wall elements (15), one or more door elements (9), beams (11, 13), one or more connecting elements (22) and a roof element (18), characterized in that said roof element (18) is provided with at least one recess (22) which traverses said roof element and which is able to receive a beam or post and a connecting element, said connecting element is suitable for engaging with a recess in the bottom platform of a second unit.

15. Method for transporting a mobile sanitary unit comprising a demountable (3) and a bottom unit (2), said method comprises:

- demounting the elements of a demountable unit of said sanitary unit;

- storing said elements in said bottom unit;

- closing bottom unit with a roof element; and

- stacking at least two units, characterized in that said units are connected by a connecting element, extending from a roof element of a first unit and connected to a recess in the bottom unit of a second sanitary unit.

16. Method according to claim 15, characterized in that three units are vertically stacked.