Trampoline and sports device

1 . A trampoline, comprising:

an elastic plate, wherein the elastic plate comprises a first end and a second end, and a portion, located between the first end and the second end, of the elastic plate is an elastic energy accumulator;

a supporting unit, wherein the supporting unit comprises supporting bodies arranged at the first end and the second end of the elastic plate, and the supporting bodies are capable of supporting the elastic plate and tensioning the first end and the second end of the elastic plate; during bending deformation of the elastic plate, the supporting bodies are subjected to elastic deformation, or first supporting-plate ends, connected with the elastic plate, of the supporting bodies rotate and horizontally displace relative to second supporting-plate ends, away from the elastic plate, of the supporting bodies to accumulate potential energy, and the first end generates a symmetrical turning angle change with respect to the second end; during deformation recovering of the elastic plate, the supporting bodies apply reset force to the first end and the second end by utilizing the potential energy, so that displacement of the elastic energy accumulator in a horizontal direction is limited during the bending deformation and deformation recovering of the elastic plate;

wherein each of the supporting bodies comprises a roller, bottoms of the first end and the second end of the elastic plate are respectively connected with plate end supports of a plurality of plate end supports, the roller is rotatably connected with a corresponding plate end support of the plurality of plate end supports, an axis of the roller is perpendicular to a connecting line of the first end and the second end of the elastic plate;

wherein the supporting body also comprises a roller support, a rolling groove matched with the roller is formed in the roller support, the roller is rotatably arranged in the rolling groove and is movable horizontally in the rolling groove, and elastic buffer material is internally provided inside the rolling groove;

wherein a restraint elastic member is arranged between the roller support and the corresponding plate end support to apply a reset force to the roller, wherein the restraint elastic member is a spring.

2 . The trampoline according to claim 1 , wherein a bottom of the elastic plate is provided with a stop supporting element located at a symmetric center of the elastic plate; and

wherein the stop supporting element comprises a stop supporting table, made of elastic material;

or, the stop supporting element comprises elastic arms and guide wheels, first ends of the elastic arms are hinged to the elastic plate, second ends of the elastic arms are rotatably connected with the guide wheels, a number of the elastic arms is two, two elastic arms are symmetrically arranged, each of the elastic arms is connected with at least one guide wheel, and the two elastic arms are connected by a connecting element made of elastic material;

or, the stop supporting element comprises two cambered plates symmetrically arranged along a vertical direction, and the two cambered plates are hinged and connected at ends to form a ring; and

bottoms of the stop supporting table and the cambered plate away from the elastic plate are both provided with vacuum suction cups or cushion pads.

3 . The trampoline according to claim 1 , wherein

a thickness of the elastic plate is a first thickness at middle, and decreases with respect to the first thickness gradually along directions from a center of the elastic plate towards the first end and the second end;

or, the elastic plate is of a composite multi-layer structure;

or, the elastic plate is provided with longitudinal reinforcing ribs or a reinforcing plate, and the reinforcing plate is arranged in a middle of the elastic plate;

or, the bottom of the elastic plate is provided with a traction reinforcing member;

or, a top of the elastic plate is provided with a buffer structure layer;

or, both ends of the elastic plate are provided with surface plates in which a trapezoidal notch is formed.

4 . The trampoline according to claim 1 , wherein a number of the supporting bodies, connected with the first end and the second end, of the elastic plate is at least two, and connecting positions of the first end and the second end of the elastic plate with the supporting bodies can be adjusted;

wherein the elastic plate is connected with the supporting bodies via bolts, and the connecting positions can be adjusted;

or, the elastic plate is provided with connecting pins, a plurality of connecting slots matched with the connecting pins are formed in each of the supporting bodies, the connecting pins are rotatably arranged in the plurality of connecting slots, and the plurality of connecting slots are arranged along the direction of the connecting line of the first end and the second end of the elastic plate.

5 . The trampoline according to claim 1 , wherein a projection of the elastic plate on a horizontal plane is rectangular, a length-width ratio of the elastic plate is between 1 and 10, the first end and the second end of the elastic plate are arranged along a length direction of the elastic plate, and a thickness of the elastic plate is less than one fiftieth of a width of the elastic plate; the elastic plate is made of composite material or metal material;

one or several of an armrest, a stool, a chair, a saddle and a bed guard are installed on the elastic plate; and

the elastic plate is provided with an electronic counter or a vibration sensor so as to monitor the times of fluctuating movement of the elastic plate.

6 . A sports device, comprising a follow-up bed frame or an overlapping plate, wherein the sports device comprises the trampoline according to claim 1 , the sports device comprises a plurality of sets of the trampoline, and the plurality of sets of the trampoline are arranged at a bottom of the follow-up bed frame or the overlapping plate.

7 . The sports device according to claim 6 , wherein a bottom of the elastic plate is provided with a stop supporting element located at a symmetric center of the elastic plate; and

wherein the stop supporting element comprises a stop supporting table, made of elastic material;

or, the stop supporting element comprises elastic arms and guide wheels, first ends of the elastic arms are hinged to the elastic plate, second ends of the elastic arms are rotatably connected with the guide wheels, a number of the elastic arms is two, two elastic arms are symmetrically arranged, each of the elastic arms is connected with at least one guide wheel, and the two elastic arms are connected by a connecting element made of elastic material;

or, the stop supporting element comprises two cambered plates symmetrically arranged along a vertical direction, and the two cambered plates are hinged and connected at ends to form a ring; and

bottoms of the stop supporting table and the cambered plate away from the elastic plate are both provided with vacuum suction cups or cushion pads.

8 . The sports device according to claim 6 , wherein

a thickness of the elastic plate is a first thickness at middle, and decreases with respect to the first thickness gradually along directions from a center of the elastic plate towards the first end and the second end;

or, the elastic plate is of a composite multi-layer structure;

or, the elastic plate is provided with longitudinal reinforcing ribs or a reinforcing plate, and the reinforcing plate is arranged in a middle of the elastic plate;

or, the bottom of the elastic plate is provided with a traction reinforcing member;

or, a top of the elastic plate is provided with a buffer structure layer;

or, both ends of the elastic plate are provided with surface plates in which a trapezoidal notch is formed.

9 . The sports device according to claim 6 , wherein a number of the supporting bodies, connected with the first end and the second end, of the elastic plate is at least two, and connecting positions of the first end and the second end of the elastic plate with the supporting bodies can be adjusted;

wherein the elastic plate is connected with the supporting bodies via bolts, and the connecting positions can be adjusted;

or, the elastic plate is provided with connecting pins, a plurality of connecting slots matched with the connecting pins are formed in each of the supporting bodies, the connecting pins are rotatably arranged in the plurality of connecting slots, and the plurality of connecting slots are arranged along the direction of the connecting line of the first end and the second end of the elastic plate.

10 . The sports device according to claim 6 , wherein a projection of the elastic plate on a horizontal plane is rectangular, a length-width ratio of the elastic plate is between 1 and 10, the first end and the second end of the elastic plate are arranged along a length direction of the elastic plate, and a thickness of the elastic plate is less than one fiftieth of a width of the elastic plate; the elastic plate is made of composite material or metal material;

one or several of an armrest, a stool, a chair, a saddle and a bed guard are installed on the elastic plate; and

the elastic plate is provided with an electronic counter or a vibration sensor so as to monitor the times of fluctuating movement of the elastic plate.