High-strength modular floor

1 . A curved connector for flexibly fastening coupled floor modules together, wherein the curved connector is formed from a single-piece body comprising a perimeter curved portion and a central curved portion;

wherein, between the perimeter curved portion and the central curved portion there is at least one passage that has curved walls formed by the perimeter curved and central curved portions, an inlet end and a locking end, said locking end comprising a locking mechanism;

wherein the at least one passage is configured to receive therein an upper curved surface coupled to a lower curved surface of coupled floor modules, so that the curved walls of the at least one passage flexibly restrain a relative movement between the coupled floor modules in three Cartesian axes, generating a flexible coupling between the coupled floor modules;

wherein, to flexibly restrict said relative movement the curved connector locks the coupling between upper and lower curved surfaces by means of a rotation movement thereof through a curved connector slot that said upper and lower curved surfaces have, so that the at least one passage receives said coupled upper and lower curved surfaces, and the coupled upper and lower curved surfaces enter the at least one passage from the inlet end and slide through said at least one passage to the locking end, activating the locking mechanism in a flexible locking position of the curved connector;

wherein, in the flexible locking position of the curved connector, the at least one passage comprises a locking space that allows relative sliding between the coupled upper and lower curved surfaces, locking the curved connector in the flexible locking position of the curved connector and flexibly fastening the coupled floor modules together.

2 . The curved connector of claim 1 , wherein the locking mechanism comprises a locking flange and a locking notch inside the at least one passage at the locking end, wherein said locking notch is configured to receive, by pressure fit, a locking projection arranged on the upper curved surface, locking the curved connector in the flexible locking position by said pressure fit activating the locking mechanism.

3 . The curved connector of claim 1 , wherein the at least one passage comprises a fixing mechanism arranged at the inlet end, wherein said fixing mechanism is configured to contact at least one of the floor modules coupled in the locking position of the curved connector, and to receive a releasable fastening element that releasably fixes the curved connector to the at least one of the floor modules.

4 . The curved connector of claim 1 , wherein the central curved portion comprises a flat surface comprising at least one unlocking notch, said unlocking notch configured to receive an unlocking tool that allows deactivating the locking mechanism by a rotation movement of the curved connector towards an unlocking position of the curved connector.

5 . A floor module for forming a modular floor of two or more coupled floor modules flexibly fastened together, wherein the floor module is formed from a single-piece body comprising a lower portion and an upper portion, wherein the upper and lower portions are arranged relative to each other, generating perimeter overlapping areas;

wherein, a lower perimeter overlapping area is arranged in the lower portion of the body and an upper perimeter overlapping area is arranged in the upper portion of the body;

wherein, the upper overlapping area comprises at least one upper curved surface and the lower overlapping area comprises at least one lower curved surface, said at least one upper curved surface and at least one lower curved surface comprising a curved connector slot;

wherein the at least one upper curved surface is configured to couple to the at least one lower curved surface of coupled floor modules, and by means of a curved connector of claim 1 , a relative movement between the coupled floor modules is flexibly constrained in three Cartesian axes generating a flexible coupling between the coupled floor modules, wherein said curved connector locks the coupling between upper and lower curved surfaces by a movement of rotation thereof through the curved connector slot, so that the at least one passage of the curved connector receives said coupled upper and lower curved surfaces, and the coupled upper and lower curved surfaces enter the at least one passage from the inlet end and slide through from said at least one passage to the locking end, activating the locking mechanism of the curved connector, locking the curved connector in a flexible locking position of the curved connector;

wherein, in the flexible locking position of the curved connector, the at least one passage comprises a locking space that allows relative sliding between the coupled upper and lower curved surfaces, locking the curved connector in the flexible locking position of the curved connector and flexibly fastening the coupled floor modules together.

6 . The floor module of claim 5 , comprising at least four lower curved surfaces in the lower perimeter overlapping area and at least four upper curved surfaces in the upper perimeter overlapping area, for the arrangement of at least two curved connectors on each edge of the floor module.

7 . The floor module of claim 5 , comprising at least one lower support surface in the lower perimeter overlapping area and at least one upper support surface in the upper perimeter overlapping area, wherein the lower and upper support surfaces of the coupled floor modules contact each other generating at least one support area.

8 . The floor module of claim 7 , wherein the lower and upper support surfaces comprise at least one fixing hole for fixing the coupled floor modules by means of a fixing element, fixing said coupled floor modules at the support area.

9 . The floor module of claim 5 , comprising at least one fitting hole in the lower perimeter overlapping area and at least one fitting projection in the upper perimeter overlapping area, wherein the at least one fitting hole is configured to receive the at least one fitting projection of the coupled floor modules.

10 . The floor module of claim 9 , wherein the at least one fitting projection in the upper perimeter overlapping area is hollow and is configured to receive a stake that allows the coupled floor modules to be fixed to the ground.

11 . The floor module of claim 5 , comprising at least one lower locking hole in the lower perimeter overlapping area and at least one upper locking hole in the upper perimeter overlapping area, wherein the at least one lower locking hole aligns with the at least one upper locking hole of the coupled floor modules, such that said lower and upper locking holes are configured to receive a rotating connector inserted into the lower and upper locking holes and rotated to a rotating connector locking position to restrict a relative vertical movement between coupled floor modules.

12 . The floor module of claim 11 , wherein:

the lower locking hole comprises a lower unlocking section and a lower locking section, wherein the lower locking section comes into pressure contact with a locking element at the rotating connector, in order to lock the relative vertical movement between the floor modules coupled in the rotating connector locking position; and

the upper locking hole comprises, in the direction of the rotating connector rotation:

an insertion section for inserting the rotating connector into the upper locking hole;

an upper locking section that fits with the lower locking section and with the locking position of the rotating connector, wherein the upper locking section further prevents return of the rotating connector to the insertion section permanently joining the rotating connector with the upper locking hole;

a transition section where the pressure contact between the locking element of the rotating connector and the lower locking section is gradually released; and

an upper release section that fits in the lower release section where the coupled floor modules can be decoupled;

wherein the movement of the rotating connector between the upper locking section, the transition section and the upper unlocking section can be carried out in a locking direction and in an unlocking direction by means of pressure fit mechanisms located between said sections, wherein the rotating connector comprises at least one pressure fit projection cooperating with pressure fitting flanges and fitting notches in the upper locking hole.

13 . The floor module of claim 5 , comprising a cover that connects to the lower face of the lower portion of the floor module body, wherein said cover comprises a cover grid that fits with a floor module grid arranged on the lower face of said lower portion of the floor module, wherein said cover comprises a slotted lower face for contact with the ground, and wherein said cover and said lower face comprise at least one perforation to receive a fixing element that fixes the cover to the floor module body.

14 . A modular floor formed by two or more coupled floor modules flexibly fastened to each other, comprising:

at least one curved connector of claim 1 ; and

two or more floor modules; and

wherein each floor module is formed from a single-piece body comprising a lower portion and an upper portion, wherein the upper and lower portions are arranged relative to each other, generating perimeter overlapping areas;

wherein, a lower perimeter overlapping area is arranged in the lower portion of the body and an upper perimeter overlapping area is arranged in the upper portion of the body;

wherein, the upper overlapping area comprises at least one upper curved surface and the lower overlapping area comprises at least one lower curved surface, said at least one upper curved surface and at least one lower curved surface comprising a curved connector slot;

wherein the at least one upper curved surface is configured to couple to the at least one lower curved surface of the coupled floor modules, and by means of a curved connector of claim 1 , a relative movement between the coupled floor modules is flexibly constrained in three Cartesian axes generating a flexible coupling between the coupled floor modules, wherein said curved connector locks the coupling between upper and lower curved surfaces by a movement of rotation thereof through the curved connector slot, so that the at least one passage of the curved connector receives said coupled upper and lower curved surfaces, and the coupled upper and lower curved surfaces enter the at least one passage from the inlet end and slide through from said at least one passage to the locking end, activating the locking mechanism of the curved connector, locking the curved connector in a flexible locking position of the curved connector;

wherein, in the flexible locking position of the curved connector, the at least one passage comprises a locking space that allows relative sliding between the coupled upper and lower curved surfaces, locking the curved connector in the flexible locking position of the curved connector and flexibly fastening the coupled floor modules together;

wherein at least part of the upper perimeter overlapping area of a first floor module is coupled to at least part of the lower perimeter overlapping area of a second floor module, so that at least one upper curved surface of the first floor module couples with at least one lower curved surface of the second floor module, resulting in the coupling of the first floor module with the second floor module;

wherein the coupling between the at least one upper curved surface and the at least one lower curved surface is locked by a rotation movement of the curved connector through a curved connector slot that said upper and lower curved surfaces have, so that the at least one passage of the curved connector receives said coupled upper and lower curved surfaces, and the coupled upper and lower curved surfaces enter the at least one passage from the inlet end and slide through said at least one passage to the locking end, activating the locking mechanism in a flexible locking position of the curved connector, so that the curved walls of the at least one passage flexibly restrict a relative movement between the floor modules coupled in three Cartesian axes generating a flexible coupling between the coupled floor modules;

wherein, in the flexible locking position of the curved connector, the at least one passage comprises a locking space that allows relative sliding between the coupled upper and lower curved surfaces, locking the curved connector in the locking position of the curved connector and flexibly fastening the coupled floor modules to each other.

15 . The modular floor of claim 14 , comprising at least one rotating connector that is received in lower and upper locking holes of the coupled floor modules, wherein the rotating connector is inserted into the upper and lower locking holes and is rotated to a locking position of the rotating connector to restrict a relative vertical movement between coupled floor modules.

16 . The modular floor of claim 14 , comprising perimeter ramp sections, wherein said perimeter ramp sections comprise:

a ramp lower overlapping area configured to couple to the upper perimeter overlapping area of a floor module; or

a ramp upper overlapping area configured to couple to the lower perimeter overlapping area of a floor module; and,

wherein the modular floor also comprises corner sections that are part of the corner perimeter ramp sections comprising a single-piece body, or that are independent of the perimeter ramp sections.